CN103112472A - Hydraulic pressure braking clamp device - Google Patents
Hydraulic pressure braking clamp device Download PDFInfo
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- CN103112472A CN103112472A CN2013100347686A CN201310034768A CN103112472A CN 103112472 A CN103112472 A CN 103112472A CN 2013100347686 A CN2013100347686 A CN 2013100347686A CN 201310034768 A CN201310034768 A CN 201310034768A CN 103112472 A CN103112472 A CN 103112472A
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Abstract
The invention provides a hydraulic pressure braking clamp device which comprises a clamp base, a brake cylinder, a lever member, a lever pin and a clamp assembly. The brake cylinder mainly comprises a piston member, a push rod assembly, a gate adjustment assembly, a disc spring assembly and a manual adjustment shaft assembly. The clamp assembly mainly comprises a clamp left assembly, a clamp right assembly, a front gate piece and a rear gate piece. The clamp assembly and the brake cylinder are fixedly arranged on the clamp base. The brake cylinder brakes and remits a train brake disc by means of driving of the lever member to the clamp assembly. The hydraulic pressure braking clamp device can automatically adjust braking gaps between the gate pieces of a hydraulic pressure clamp and wheels, is good in adjustment accuracy, high in adjustment efficiency, safe, reliable, and compact in structure, meets railway vehicle installation requirements of lower floor boards, is convenient and fast in replacement of the expendable gate pieces, and saves maintenance time and cost.
Description
Technical field
The present invention relates to the rail vehicle braking device, be specifically related to the hydraulic braking clamp in the low-floor light rail vehicle brake equipment.
Background technology
Light rail is the abbreviation of light rail transit, and light rail transit is a kind of of urban track traffic.According to international standard, the train of urban track traffic can be divided into A, B, three kinds of models of C, respectively the train width of corresponding 3 meters, 2.8 meters, 2.6 meters.The track traffic of the every A of selecting type or Type B train is called subway, adopts 5～8 joint marshalings; Select the track traffic of C type train to be called light rail transit, adopt 2～4 joint marshalings, the vehicle of train and marshalling have determined axletree weight and platform length.Subway and light rail all select gauge be the international standard double track of 1435 millimeters as train rail, the track specification of selecting with state iron train is identical, do not have so-called rail weight weight minute.Light rail and subway also can be distinguished on carrying capacity different, in the world usually will be per hour unidirectional cross section carrying capacity be called " subway (Metro) " greater than the urban track traffic of 30,000 person-times, and will be called less than the track traffic of 30,000 person-times " light rail (Light Rail) ", and will be called less than the street light rail of 10,000 person-times " tramway train (Railroad Car) ".
The electric locomotive traction noise is little, pollution is few because adopting in urban track traffic, large because adopting electron controls technology and can pulling more piece compartment freight volume, because of the speed of travelling on special railway fast, safe, because of the platform up and down passenger that can adopt various ways and can share with other rail system that track alerting ability is high, cost is low, also because adopting electron steering and the dedicated track can running on time.Especially the low-floor light rail vehicle in light rail transit need not to arrange platform, facilitates the passenger to get on or off the bus with it, particularly is convenient to some invalid passengers and children and gets on or off the bus and be favourably welcome.
And for low-floor light rail vehicle, not only body construction and common subway there are differences, and brake system also there are differences.Major cause is that the volume of wind regime brake system is excessive and can't be installed to the car body bottom of motor-car or trailer.And hydraulic brake system volume I is installed on bogie truck nearby, and this is the original intention that low floor vehicle adopts hydraulic efficiency pressure system.The major part of described hydraulic brake system is the hydraulic braking gripping mechanism.
See Figure 32, a kind of principle of work of prior art hydraulic braking gripping mechanism 8 is: the clamp pedestal 81b that is fixedly installed the hydraulic braking gripping mechanism on the framework 81a of bogie truck, at the axletree 82a(moving axis of bogie truck or drag axle) upper setting can slide with respect to axletree in the axial direction and week upwards mutually spacing brake disc 83a(also have claim reel), on clamp pedestal 81b, hydraulic braking cylinder 82b is set, lever 83b, fixedly brake lining 84b and moving brake lining 85b.during braking, hydraulic efficiency pressure system is by corresponding valve pressure release, when hydraulic oil flows out the cylinder body of brake cylinder 82b, the piston rod of the piston 86b of brake cylinder 82b is from inside to outside motion under the elastic force effect of cylinder inner spring 87b, and promote to rotate and to make the moving brake lining 85b that is fixed on lever 83b bottom close and contact with brake disc 83a to brake disc 83a around lever pin 88b with its lever 83b that is dynamically connected, and promote brake disc 83a and slide and contact with fixing brake lining 84b along axletree 82a in the same way, and by fixedly brake lining 84b and moving brake lining 85b jointly progressively clamp brake disc brake disc 83a and realize braking.During alleviation, be filled with hydraulic oil (pressure is P) in the cylinder body of brake cylinder 82b, make piston 86b towards the direction motion of compressor cylinder inner spring 87b, and then the drive piston rod is retracted in the cylinder body of brake cylinder 82b, and then drive lever 83b turns to moving brake lining 85b and brake disc 83a disengages, thereby realize alleviating.The stroke of above-mentioned piston 86b is less than the wear compensation that is used for brake lining 85b and brake disc 83a.
The vehicle of light rail systems operation is in operation, and need to start continually and brake, and the quality of brake system directly determines the safety of light rail vehicle operation.Thereby require the hydraulic braking gripping mechanism must compact conformation, also require to install, dismounting and change brake lining etc. easily wearing details are easy to operate.It is cumbersome that but the brake lining of the hydraulic braking gripping mechanism that the brake system of present low-floor light rail vehicle adopts is changed, and can not effectively satisfy the requirement of domestic light rail low floor vehicle.
Summary of the invention
The objective of the invention is: overcome the deficiencies in the prior art, a kind of compact conformation is provided, is suitable for installation and maintenance and brake lining and changes the hydraulic braking gripping mechanism that is applicable to easily the low-floor light rail vehicle use for brake system.
The basic technical scheme of realizing the object of the invention is: hydraulic braking gripping mechanism of the present invention comprises brake cylinder; Its constructional feature is: also comprise clamp pedestal, leverage component, lever pin and grip module; Grip module mainly is comprised of the left assembly of clamp, the right assembly of clamp, front brake lining and rear brake lining.
The clamp pedestal is the steel integral piece, has brake cylinder installation portion, lock pin installation portion, lever pin left end installation portion and lever pin right-hand member installation portion; Lock pin installation portion comprises left lock pin installation portion and right lock pin installation portion; Left lock pin installation position is in the lower left of brake cylinder installation portion, and right lock pin installation position is in the lower right of brake cylinder installation portion, and lever pin left end installation position is in the front left of brake cylinder installation portion, and lever pin right-hand member installation position is front right-hand in the brake cylinder installation portion.
Brake cylinder comprises casing component and all is arranged in casing component and equal piston component, push-rod assembly and the dished spring assemblies identical with the spindle axis of casing component of axis; Brake cylinder is fixedly connected on the brake cylinder installation portion of clamp pedestal by its casing component; Piston component comprises auxiliary braking spare and release of brake piston; Brake cylinder is provided with hydraulic oil the first inner chamber, and this hydraulic oil first inner chamber forms by the space that surrounds between casing component, auxiliary braking spare and release of brake piston, and casing component is provided with the hydraulic oil first of hydraulic oil intracavity inter-connection and imports and exports; When the hydraulic oil first inner chamber injection liquid force feed of brake cylinder, the release of brake piston makes the belleville spring of dished spring assembly be in the state that tightens up of compression, makes simultaneously push-rod assembly be positioned at the position of retracting backward; When the hydraulic oil pressure release in hydraulic oil first inner chamber of brake cylinder, belleville spring is in the relaxation state of compression, the position that makes push-rod assembly be positioned to stretch out forward.
Front brake lining and the rear brake lining of grip module are tabular component, and all at left end position separately, opening connection breach left are set, and at right-hand member position separately, sagittal connecting through hole are set; Front brake lining and rear brake lining are all along the left and right to the vertical setting.
The left assembly of the clamp of grip module comprises left brake pad pin, left sleeve base, left pull back spring member and threaded pin; Left pull back spring member is made of the left front spring perch, left pull back spring and the left back spring perch that are connected successively according to the past order successively; Front brake lining be connected brake lining divide before and after by separately connection breach from right to left semi-surrounding be arranged on the left brake pad pin, and overlapping successively according to from front to back order of left brake pad pin, left sleeve base is arranged on the position between front brake lining and rear brake lining, left front spring perch, left pull back spring and left back spring perch, and the leading portion of left pull back spring and left front spring socket sleeve are on left sleeve base; The front end of left brake pad pin is arranged on the front portion of left lock pin installation portion of clamp pedestal, the rear end of left brake pad pin is arranged on the rear portion of left lock pin installation portion of clamp pedestal, and is fixed on the left lock pin installation portion of clamp pedestal by the one or both ends of corresponding threaded pin with the front and back end of left brake pad pin.
The right assembly of the clamp of grip module comprises right brake pad pin, right sleeve base, right pull back spring member and threaded pin; Right pull back spring member is made of the right front spring perch, right pull back spring and the right back spring perch that are connected successively according to the past order successively; Before and after dividing, front brake lining and rear brake lining be enclosed within on the right brake pad pin by separately connecting through hole, and overlapping successively according to from front to back order of right brake pad pin, right sleeve base is arranged on the position between front brake lining and rear brake lining, right front spring perch, right pull back spring and right back spring perch, and the leading portion of right pull back spring and right front spring socket sleeve are on right sleeve base; The front end of right brake pad pin is arranged on the front portion of right lock pin installation portion of clamp pedestal, the rear end of right brake pad pin is arranged on the rear portion of right lock pin installation portion of clamp pedestal, and is fixed on the right lock pin installation portion of clamp pedestal by the one or both ends of corresponding threaded pin with the front and back end of right brake pad pin.
Leverage component and lever pin are fixed together; Leverage component is along the upward and downward setting, and the axis of lever pin is along the left and right to setting; The left end of lever pin stretches in the lever pin left end installation portion of clamp pedestal, and is rotationally connected with lever pin left end installation portion; The right-hand member of lever pin stretches in the lever pin right-hand member installation portion of clamp pedestal, and is rotationally connected with lever pin right-hand member installation portion; Leverage component is contacted by the push-rod assembly front end position of the rear side on its top and brake cylinder, and leverage component is contacted with the middle part of the leading flank of the front brake lining of grip module by the rear side of its underpart.
The first technical scheme on the basis of above-mentioned basic technical scheme is: the brake cylinder installation portion of described clamp pedestal comprises substrate and adapter plate; Substrate is horizontally disposed with; The adapter plate vertical arranges, and its plate body is provided with the sagittal through hole as the medium pore of brake cylinder installation portion; Also be provided with corresponding sagittal installation screw on the plate body of adapter plate; Adapter plate is connected to from the top on the front portion of upside of substrate.
Lock pin installation portion comprises left Connection Block, right Connection Block, left front seat, right front seat and back seat; Left Connection Block is connected to from left on the left side of substrate of brake cylinder installation portion; Right Connection Block is from the right side of the right-hand substrate that is connected to the brake cylinder installation portion; Left front seat is connected to from the below on the front portion of downside of left Connection Block, and right front seat is connected to from the below on the front portion of downside of right Connection Block; Back seat is connected to from the below on the rear portion of downside of substrate, and its left end position is connected to from the below on the rear portion of downside of left Connection Block, and its right-hand member position is connected to from the below on the rear portion of downside of right Connection Block; Thereby the left end position of left front seat and back seat consists of the left lock pin installation portion of lock pin installation portion jointly, and the right-hand member position of right front and back seat consists of the right lock pin installation portion of lock pin installation portion jointly.
Left front seat is provided with left front mounting hole, left front through hole and left front blind hole; The axis of left front mounting hole is along front and back to setting; The axis of left front through hole and left front blind hole is identical and along the left and right to setting, and the axis of left front through hole is also along the radially setting of left front mounting hole, and left front blind hole is provided with negative thread; Right front seat is provided with right front mounting hole, right front through hole and right front blind hole; The axis of right front mounting hole is along front and back to setting; The axis of right front through hole and right front blind hole is identical and along the left and right to setting, and the axis of right front through hole is also along the radially setting of right front mounting hole, and right front blind hole is provided with negative thread; The left end position of back seat is provided with left back mounting hole, and the right-hand member position of back seat is provided with right back mounting hole, and the left front mounting hole coaxial line of left back mounting hole and left front seat, right back mounting hole and the right front mounting hole coaxial line of right front; The left end position of back seat also is provided with left back through hole and left back blind hole; The axis of left back through hole and left back blind hole is identical and along the left and right to setting, and the axis of left back through hole is along the radially setting of left back mounting hole, and left back blind hole is provided with negative thread; The right-hand member position of back seat also is provided with right back through hole and right back blind hole; The axis of right back through hole and right back blind hole is identical and along the left and right to setting, and the axis of right back through hole is along the radially setting of right back mounting hole, and right back blind hole is provided with negative thread.
The rear and front end of the left brake pad pin of the left assembly of clamp and the right brake pad pin of the right assembly of clamp respectively is provided with a pin-and-hole.Left front threaded pin screws in the left front blind hole of left front seat, thereby the front end of left brake pad pin is fixed on left front after passing successively from left to right the pin-and-hole of front end of left front through hole, left brake pad pin of left front seat; After left back threaded pin passes the pin-and-hole of rear end of left back through hole, left brake pad pin of back seat from left to right successively, screw in the left back blind hole of back seat, thereby the rear end of left brake pad pin is fixed on the left part of back seat of clamp pedestal, also namely makes the left brake pad pin be fixed on the left lock pin installation portion of clamp pedestal.Right front threaded pin screws in the right front blind hole of right front seat after passing successively from right to left the pin-and-hole of front end of right front through hole, right brake pad pin of right front seat, thereby the front end of right brake pad pin is fixed on right front of clamp pedestal 1; After right back threaded pin passes the pin-and-hole of rear end of right back through hole, right brake pad pin of back seat from right to left successively, screw in the right back blind hole of back seat, thereby the rear end of right brake pad pin is fixed on the right part of back seat of clamp pedestal, also namely makes the right brake pad pin be fixed on the right lock pin installation portion of clamp pedestal.
The second technical scheme on the basis of above-mentioned basic technical scheme is: the brake cylinder installation portion of described clamp pedestal comprises substrate and adapter plate; Substrate is horizontally disposed with; The adapter plate vertical arranges, and its plate body is provided with the sagittal through hole as the medium pore of brake cylinder installation portion; Also be provided with corresponding sagittal installation screw on the plate body of adapter plate; Adapter plate is connected to from the top on the front portion of upside of substrate.
Lock pin installation portion comprises left Connection Block, right Connection Block, left front seat, right front seat and back seat; Left Connection Block is connected to from left on the left side of substrate of brake cylinder installation portion; Right Connection Block is from the right side of the right-hand substrate that is connected to the brake cylinder installation portion; Left front seat is connected to from the below on the front portion of downside of left Connection Block, and right front seat is connected to from the below on the front portion of downside of right Connection Block; Back seat is connected to from the below on the rear portion of downside of substrate, and its left end position is connected to from the below on the rear portion of downside of left Connection Block, and its right-hand member position is connected to from the below on the rear portion of downside of right Connection Block; Thereby the left end position of left front seat and back seat consists of the left lock pin installation portion of lock pin installation portion jointly, and the right-hand member position of right front and back seat consists of the right lock pin installation portion of lock pin installation portion jointly.
Left front seat is provided with left front mounting hole; The axis of left front mounting hole is along front and back to setting; Right front seat is provided with right front mounting hole; The axis of right front mounting hole is along front and back to setting; The left end position of back seat is provided with left back mounting hole, and the right-hand member position of back seat is provided with right back mounting hole, and the left front mounting hole coaxial line of left back mounting hole and left front seat, right back mounting hole and the right front mounting hole coaxial line of right front; The left end position of back seat also is provided with left back through hole and left back blind hole; The axis of left back through hole and left back blind hole is identical and along the left and right to setting, and the axis of left back through hole is along the radially setting of left back mounting hole, and left back blind hole is provided with negative thread; The right-hand member position of back seat also is provided with right back through hole and right back blind hole; The axis of right back through hole and right back blind hole is identical and along the left and right to setting, and the axis of right back through hole is along the radially setting of right back mounting hole, and right back blind hole is provided with negative thread.
The rear end of the left brake pad pin of the left assembly of clamp and the right brake pad pin of the right assembly of clamp respectively is provided with a pin-and-hole.After left back threaded pin passes the pin-and-hole of rear end of left back through hole, left brake pad pin of back seat from left to right successively, screw in the left back blind hole of back seat, thereby the rear end of left brake pad pin is fixed on the left part of back seat of clamp pedestal, also namely makes the left brake pad pin be fixed on the left lock pin installation portion of clamp pedestal.After right back threaded pin passes the pin-and-hole of rear end of right back through hole, right brake pad pin of back seat from right to left successively, screw in the right back blind hole of back seat, thereby the rear end of right brake pad pin is fixed on the right part of back seat of clamp pedestal, also namely makes the right brake pad pin be fixed on the right lock pin installation portion of clamp pedestal.
The first further technical scheme on the basis of above-mentioned the first technical scheme is: the left assembly of the clamp of described grip module also comprises left front anti-releasing and left back anti-releasing; The right assembly of clamp also comprises right front anti-releasing and right back anti-releasing; Each anti-releasing is tabular steel integral piece; Each anti-shape and size that releases is all identical, and all mainly being connected with positioning plate by connecting panel consists of; Positioning plate is the bending state with connecting panel and is connected; Connecting panel is provided be used to the connecting bore that passes threaded pin.
Left front anti-releasing is arranged between the left front seat of left front threaded pin and clamp pedestal, and left front anti-releasing be pressed abd fixed on left front seat by left front threaded pin, and the aft end face of the left front anti-positioning plate that releases contacts with the front end face of left front; Between the left end position of the left back anti-back seat that is arranged on left back threaded pin and clamp pedestal of releasing, and on the left end position of the left back anti-back seat that is pressed abd fixed on by left back threaded pin of releasing, and the aft end face at the left end position of the front end face of the left back anti-positioning plate that releases and back seat contacts; Right front anti-releasing is arranged between the right front seat of right front threaded pin and clamp pedestal, and right front anti-releasing be pressed abd fixed on right front seat by right front threaded pin, and the aft end face of the right front anti-positioning plate that releases contacts with the front end face of right front; Between the right-hand member position of the right back anti-back seat that is arranged on right back threaded pin and clamp pedestal of releasing, and on the right-hand member position of the right back anti-back seat that is pressed abd fixed on by right back threaded pin of releasing, and the aft end face at the right-hand member position of the front end face of the right back anti-positioning plate that releases and back seat contacts.
The second further technical scheme on the basis of above-mentioned the second technical scheme is: the left assembly of the clamp of described grip module also comprises left back anti-releasing; The right assembly of clamp also comprises right back anti-releasing; Each anti-releasing is tabular steel integral piece; Each anti-shape and size that releases is all identical, and all mainly being connected with positioning plate by connecting panel consists of; Positioning plate is the bending state with connecting panel and is connected; Connecting panel is provided be used to the connecting bore that passes threaded pin.
Left front anti-releasing is arranged between the left front seat of left front threaded pin and clamp pedestal, and left front anti-releasing be pressed abd fixed on left front seat by left front threaded pin, and the aft end face of the left front anti-positioning plate that releases contacts with the front end face of left front; Between the left end position of the left back anti-back seat that is arranged on left back threaded pin and clamp pedestal of releasing, and on the left end position of the left back anti-back seat that is pressed abd fixed on by left back threaded pin of releasing, and the aft end face at the left end position of the front end face of the left back anti-positioning plate that releases and back seat contacts; Right front anti-releasing is arranged between the right front seat of right front threaded pin and clamp pedestal, and right front anti-releasing be pressed abd fixed on right front seat by right front threaded pin, and the aft end face of the right front anti-positioning plate that releases contacts with the front end face of right front; Between the right-hand member position of the right back anti-back seat that is arranged on right back threaded pin and clamp pedestal of releasing, and on the right-hand member position of the right back anti-back seat that is pressed abd fixed on by right back threaded pin of releasing, and the aft end face at the right-hand member position of the front end face of the right back anti-positioning plate that releases and back seat contacts.
The further technical scheme of the technical scheme on above-mentioned each basic technical scheme is: lever pin left end installation portion comprises left side board and left mount pad; Left side board is connected to from left by its rear end, right side on the left side of adapter plate of brake cylinder installation portion, and is connected with the right side of the left Connection Block of lock pin installation portion is anterior by its rear end, left side; Left mount pad be provided with as the left and right of lever pin left end mounting hole to through hole; Left mount pad is connected to from the below by the upside of the front portion at its left end position on the downside of front portion of left side board, and by the left side at the rear portion at its left end position from the right side at the right-hand rear portion that is connected to left side board.
Lever pin right-hand member installation portion comprises right side board and right mount pad; Right side board, and is connected with the left side of the right Connection Block of lock pin installation portion is anterior by its rear end, right side from the right side of the right-hand adapter plate that is connected to the brake cylinder installation portion by its rear end, left side; Right mount pad be provided with as the left and right of lever pin right-hand member mounting hole to through hole, and this lever pin right-hand member mounting hole and lever pin left end mounting hole coaxial line; Right mount pad is connected to from the below by the upside of the front portion at its right-hand member position on the downside of front portion of right side board, and is connected to from left by the right side at the rear portion at its right-hand member position on the left side at rear portion of right side board.
In above-mentioned further technical scheme, also comprise left cover and right cover plate; Described left cover is fixed on the left side of left mount pad from left, and covers lever pin left end mounting hole from left; The right cover plate is from the right-hand right side that is fixed on right mount pad, and from the right-hand lever pin right-hand member mounting hole that covers.
The 3rd technical scheme on the basis of above-mentioned basic technical scheme is: push-rod assembly comprises push rod; The week of the back segment of push rod is provided with outside thread laterally, and the back segment of push rod is provided with opening rear chamber backward; The inwall of rear chamber is provided with the pin groove towards central axial line, and described pin groove rearward connects push rod.
Lock transfers assembly to comprise lock accent mandrel; Lock transfers the circumferential outside left of mandrel to be provided with the round platform section that is positioned at the front portion, and lock transfers the central lumen of mandrel to be provided with negative thread, and lock transfers mandrel to be matched with the outside thread of push rod by this negative thread.
Dished spring assembly comprises dish spring abutment and belleville spring; The dish spring abutment is provided with the front hole section that is positioned at anterior truncated cone-shaped, and the dish spring abutment is enclosed within lock by this front hole section and transfers in the round platform section of front portion of mandrel, and cooperatively interacts; Belleville spring is arranged between dish spring abutment and casing component.
The hand adjustment Shaft assembly comprises hand adjustment axle, straight pin, packing ring and bolt; The hand adjustment axle be positioned at anterior main shaft section be provided with opening towards week laterally and pin groove that connect the place ahead, the main shaft section also is provided with opening center screw forward along central axial line; Straight pin inserts in the pin groove of main shaft section of hand adjustment axle from front to back; After bolt passes packing ring from front to back, screw in the center screw of hand adjustment axle and packing ring is tightened on the hand adjustment axle, and making packing ring block straight pin from the place ahead, also making hand adjustment axle, straight pin, packing ring and bolt connect into an integrated member; The hand adjustment axle of hand adjustment Shaft assembly is rotationally connected with respect to the casing component sealed type, and limited in the axial direction and can not move vertically; The front portion of hand adjustment axle is arranged in the rear chamber of push rod, and straight pin is arranged in the pin groove of push rod, and straight pin and push rod upwards mutually spacing in week, and push rod with respect to before and after hand adjustment axle and straight pin to bearing fit; The rear portion of hand adjustment axle and casing component sealing are dynamically connected, and casing component is exposed at position, its rear end backward.
The 4th technical scheme on the basis of above-mentioned the 3rd technical scheme is: described casing component comprises according to from rear to the front airtight rear-bank rotor housing that is fixedly linked, central housing and brake cylinder casing successively; Rear-bank rotor housing, central housing and brake cylinder casing are the cast steel integral piece that is provided with the central lumen before and after connecting, and three's central axial line is the same axis, and this axis is also the central axial line of casing component.
Rear-bank rotor housing comprises radially from inside to outside around central axial line setting and the central mount pad that is connected successively, cover plate section and connecting cylinder section; The overall stepped cylindrical shape of central authorities' mount pad, its central lumen is also the central lumen of rear-bank rotor housing; The circumferential inside line of the formation central lumen of central authorities' mount pad is provided with inboard first step, inboard second step and inboard the 3rd step successively according to order from front to back, and the internal diameter of each step reduces by rank successively; The inwall of inboard first step is provided with negative thread; The inwall of inboard second step is provided with 2 inboard grooves that are used for the annular arrangement of installation seal ring.
The hand adjustment axle is the cylindrical step-like steel integral piece of main body; The hand adjustment axle is according to consisting of from rear being connected successively with the main shaft section by position, rear end, the section that is tightly connected, stop part, connecting portion successively to front order; The position, rear end is hexagonal prism shape, and the section that is tightly connected, stop part, connecting portion and main shaft section are all substantially cylindrical; The pin groove of described main shaft section is provided with symmetrical 2; The cross-sectional plane of pin groove is arc; Described straight pin is provided with identical 2; The pin groove that matches with straight pin of push rod has 2; The hand adjustment axle is stretched into from front to back by its section of being tightly connected in inboard the 3rd step of central mount pad of rear-bank rotor housing, and be connected with the rear-bank rotor housing sealed rotational by 2 seal rings that are arranged in corresponding inboard groove, the stop part of hand adjustment axle is arranged in the inboard second step of the central mount pad of rear-bank rotor housing, and end face contacts with the end face towards the place ahead of described inboard the 3rd step thereafter.
The hand adjustment Shaft assembly also comprises guide holder and axle sleeve; Guide holder and axle sleeve are the steel integral piece; Guide holder is comprised of to the annular arrangement plate of the body that arranges with the vertical setting of the coaxial line that is positioned at rear side along front and back the axis that is positioned at the front side; Guide holder is enclosed within on the hand adjustment axle and connecting portion its free-running fit by its body, and the aft end face of the annular arrangement plate of guide holder contacts with the front end face towards the place ahead of the stop part of hand adjustment axle; Axle sleeve is comprised of annular barrier plate, outer cylinder body, annular connecting plate and center; Outer cylinder body is substantially cylindrical, and its back segment is provided with outside thread; All the axis with outer cylinder body is identical for the axis of annular barrier plate, annular connecting plate and center, and this axis is also the axis of axle sleeve; Center and annular connecting plate all are arranged in outer cylinder body, and the setting of annular connecting plate vertical, are connected between center and outer cylinder body; The external thread rotary of the outer cylinder body of axle sleeve is combined on the negative thread of inboard first step of central mount pad of rear-bank rotor housing, thereby make axle sleeve be fixed on the central mount pad of rear-bank rotor housing, the center of axle sleeve is enclosed within on the body of guide holder, and the annular connecting plate aft end face of axle sleeve contacts with the front end face of the annular arrangement plate of guide holder, thereby makes the hand adjustment axle limited in the axial direction and can not move vertically.
The 5th technical scheme on the basis of above-mentioned the 4th technical scheme is: the cover plate section of rear-bank rotor housing is the annular arrangement plate, around central mount pad setting; The circumferential outer shape of the connecting cylinder section of rear-bank rotor housing is also the circumferential outer shape of rear-bank rotor housing, this circumferential outer shape is same as the circumferential outer shape with the square column of fillet, and connecting cylinder section according to from rear to position, rear end that front order is increased by rank by internal diameter, the middle part is connected successively with the front end position and consists of; Connecting cylinder section is arranged around cover plate section by position, its rear end.
Central housing totally is the tubular of square-outside and round-inside, and the central lumen of central housing is the cylindrical step hole; Central housing is according to consisting of by all being connected successively around back-end sealing section, main part and the forward sealing portion of central axial line setting to front order from rear; Back-end sealing section is substantially cylindrical; The circumferential outer shape of main part is same as the circumferential outer shape with the square column of fillet, and the peripheral shape of its cross-sectional plane is same as the peripheral shape of the cross-sectional plane of rear-bank rotor housing; The circumferential outer shape of forward sealing portion is same as the circumferential outer shape with the square column of fillet, and is same as the circumferential outer shape of main part.
Central housing is coordinated by the leading section interdigit gap of the connecting cylinder section of its rear end sealing and rear-bank rotor housing, and the seal ring in the outside groove of the back-end sealing section by being arranged on central housing is tightly connected between the two.
Brake cylinder casing totally is the tubular of square-outside and round-inside, and the central lumen of brake cylinder casing is the cylindrical step hole, and also be provided with the through hole of importing and exporting as hydraulic oil first on the brake cylinder casing barrel, first of this hydraulic oil is imported and exported the first import and export of the hydraulic oil that is also casing component, and hydraulic oil the first inner chamber is formed by the space that brake cylinder casing, auxiliary braking spare and release of brake piston surround.
The circumferential outside left of brake cylinder casing is according to being connected successively with the front end connecting portion and being consisted of by back-end sealing section, main part to front order from rear; The shape of described back-end sealing section is basic identical in cylindrical circumferential outer shape; The shape of described main part is same as the circumferential outer shape with the square column of fillet, and the peripheral shape of its cross-sectional plane is same as the circumferential outer shape of cross-sectional plane of the main part of central housing; The shape of described front end connecting portion is same as cylindrical circumferential outer shape.
Brake cylinder casing is by the back-end sealing section of its circumferential outside left and the forward sealing portion free-running fit of central housing, and the seal ring in the outside groove of the back-end sealing section by being arranged on brake cylinder casing is tightly connected between the two.
The 6th technical scheme on the basis of above-mentioned the 5th technical scheme is: the auxiliary braking spare of described piston component is auxiliary braking piston and oil cylinder cover; Oil cylinder cover, auxiliary braking piston and release of brake piston set gradually according to order from front to back.
The release of brake piston is arranged in the brake cylinder casing of casing component, and the internal diameter free-running fit of the 3rd stage portion of the external diameter of the outside the 3rd step of release of brake piston and the circumferential inside line of brake cylinder casing and mutual sliding block joint, and be dynamically connected by corresponding seal ring sealing between the two.
The auxiliary braking piston is arranged in the brake cylinder casing of casing component, and the internal diameter free-running fit of the second step section of the external diameter of auxiliary braking piston and the circumferential inside line of brake cylinder casing and sliding block joint each other, and be dynamically connected by corresponding seal ring sealing between the two.
Back step, middle bench and front step that the circumferential outside left of oil cylinder cover 22-1 is increased by rank by external diameter successively according to from front to back order are connected successively and consist of; And the radially outer of middle bench is for being backward the position of circular protrusion; The peripheral outer wall of the front step of oil cylinder cover is provided with outside thread; The substantially cylindrical stepped hole of the central lumen of oil cylinder cover.
Oil cylinder cover is arranged in the central lumen of brake cylinder casing of casing component, and the front step of oil cylinder cover is matched by the negative thread of the first step section of the outside thread on its peripheral outer wall and the circumferential inside line of brake cylinder casing, thereby makes the oil cylinder cover screw thread be fixedly connected on brake cylinder casing; The internal diameter of the second step section of the external diameter of the middle bench of oil cylinder cover and the circumferential inside line of brake cylinder casing intermittently coordinates and sliding block joint each other, and is dynamically connected by corresponding seal ring sealing between the two; The middle bench of oil cylinder cover also is oppositely arranged by the front end face of the cylinder main body of the aft end face of its radially outer and auxiliary braking piston; The internal diameter free-running fit of the cylinder main body of the external diameter of the back step of oil cylinder cover and auxiliary braking piston and mutual sliding block joint, and be dynamically connected by corresponding seal ring sealing between the two; The internal diameter of the back step of oil cylinder cover coordinates with the crest clearance of the outside first step of release of brake piston and mutual sliding block joint, and is dynamically connected by corresponding seal ring sealing between the two.
Hydraulic oil first inner chamber of brake cylinder is formed by the space that brake cylinder casing, auxiliary braking piston and release of brake piston surround; Brake cylinder also is provided with hydraulic oil the second inner chamber, and this hydraulic oil second inner chamber is formed by the space that brake cylinder casing, auxiliary braking piston and oil cylinder cover surround, and also is provided with on brake cylinder casing with second of the hydraulic oil of hydraulic oil the second intracavity inter-connection and imports and exports.
The 7th technical scheme on the basis of above-mentioned the 6th technical scheme is: described push-rod assembly also comprises pressure seat, packing ring, pressure disc and shaft block ring; Described push rod, pressure seat, packing ring and pressure disc are according to setting gradually from rear extremely front order; The central axial line of push rod, pressure seat and pressure disc is the same axis, and this axis is also the central axial line of push-rod assembly, and the central axial line of push-rod assembly is identical with the central axial line of piston component.
The anterior pedestal and the rear portion pedestal that are connected successively before and after pressure seat comprises; Anterior pedestal from the rear stretch into pressure disc side plate around the space, and the trailing flank of packing ring contacts with the leading flank of the anterior pedestal of pressure seat; The leading flank of packing ring contacts with the trailing flank of the central disk body of pressure disc.
Described push rod is overall cylindrical steel integral piece, and the front end of push rod also is provided with opening front cavity forward, the week of the front end of push rod is provided with circlip groove laterally, and the front cavity of push rod is identical with the axis of rear chamber, and this axis is also the central axial line of push rod; Push rod is tightly placed on pressure seat and rear portion its interference fit pedestal by its front cavity; The leading portion of the body of rod of push rod is arranged in the central lumen of release of brake piston, and the internal diameter free-running fit of inboard the 5th step of the external diameter of the leading portion of the body of rod of push rod and release of brake piston, and is dynamically connected by corresponding seal ring sealing between the two; Shaft block ring is arranged on the circlip groove place of push rod, and the circlip groove place of its front end face and push rod contacts towards rearward end face, and end face contacts with the end face towards the place ahead of inboard the 5th step of release of brake piston thereafter.
The 8th technical scheme on the basis of above-mentioned the 7th technical scheme is: also comprise thrust ball bearing with flat seat and flare nut; Described lock transfers assembly also to comprise first group of collision bead, lock accent nut, coupler and second group of collision bead.
The circumferential outside left of the central mount pad of rear-bank rotor housing is provided with outside first step, outside second step and the outside the 3rd step successively according to order from front to back.
The central axial line of thrust ball bearing with flat seat is identical with the central axial line of piston component; Thrust ball bearing with flat seat is fixed on inboard the 3rd step of release of brake piston by its seat ring that is positioned at the front side.
Lock transfers mandrel, lock to transfer nut and coupler to be equipped with central lumen before and after connecting, and three's central axial line is the same axis, and this axis is also the central axial line that lock is transferred assembly, and lock transfers the central axial line of assembly identical with the central axial line of push-rod assembly.
Described lock transfers mandrel also to comprise front protuberance, connecting portion and threaded portion; Front protuberance, round platform section, connecting portion and threaded portion are connected successively according to order from front to back; The circumferential outer shape of threaded portion is the cylinder outside thread, and this outside thread is the outside thread of non-self-locking; Front protuberance is provided with opening towards 3 to 6 collision bead mounting holes in the place ahead.
The quantity of first group of collision bead is identical with the quantity of the collision bead mounting hole 24-2-6 of lock accent mandrel 24-2; The steel ball of each collision bead exposes forward the front end face that lock is transferred the front protuberance of mandrel, and contacts with the blowout patche that is positioned at rear side of thrust ball bearing with flat seat.
Lock transfers nut totally cylindrical, and lock transfers the leading portion position of the central lumen of nut to be provided with the negative thread that is positioned at the non-self-locking on its inwall, the back segment that lock is transferred nut according to the interval angle that equates along the radial collision bead hole that 3 to 6 circles are set; Lock transfers nut sleeve to transfer on mandrel at lock, and is transferred on the outside thread of non-self-locking of threaded portion of mandrel by screwing before backward at lock by the negative thread of its non-self-locking.
Coupler is the cylindrical shell that the rear end is connected with the annular arrangement barrier plate, and the middle part of described cylindrical shell partially after the position transfer the identical collision bead hole, collision bead hole of nut along radial magnitude setting and lock according to the interval angle that equates, and the collision bead hole of the size and shape in each collision bead hole and lock accent nut is corresponding; The circumferential outer shape of the back segment of the cylindrical shell of coupler is truncated cone-shaped; The central lumen of coupler is the cylindrical step hole; Coupler is transferred on nut at lock by backward protheca.
The quantity in the collision bead hole of the quantity of second group of collision bead and coupler is identical; The external diameter of the shell of second group of collision bead of each collision bead and the collision bead hole of coupler and lock are transferred the collision bead mounting hole transition fit of nut; The shell of each collision bead stretches into successively from inside to outside lock and transfers in a corresponding collision bead hole of collision bead mounting hole of nut and coupler, thereby the shell of each collision bead, lock transfer nut and coupler to be fixed together, and steel ball is to the cylinder that exposes outside coupler.
The annular barrier plate of axle sleeve is arranged in the cylindrical shell of coupler, and the front end face towards the place ahead of the annular arrangement barrier plate of the aft end face of annular barrier plate and coupler is oppositely arranged.
The first step of the circumferential inside line of flare nut is enclosed within on the outside second step of central mount pad of rear-bank rotor housing, the second step flush fit of the circumferential inside line of flare nut is enclosed within on the outside first step of central mount pad of rear-bank rotor housing, thereby flare nut is fixedly connected on the central mount pad of rear-bank rotor housing, and the week of the truncated cone-shaped hole section of flare nut and the back segment of the cylindrical shell of coupler truncated cone-shaped position laterally relative.
The 9th technical scheme on the basis of above-mentioned the 8th technical scheme is: described dished spring assembly also comprises 1 to 5 packing ring; Dish spring abutment, belleville spring and each packing ring are the steel integral piece with corresponding central axial line.
The front end position of dish spring abutment be shaped as the round platform hull shape; The circumferential outside left of dish spring abutment is provided with the first limiting section, the second limiting section and isolation part successively according to order from front to back; The central lumen of dish spring abutment is stepped cylindrical, the through hole that the front portion is truncated cone-shaped in rear portion, and this through hole is formed by the circumferential inside line of dish spring abutment; The circumferential inside line of dish spring abutment also is provided with first step and second step; The front hole section of described first step, second step and truncated cone-shaped is according to setting gradually from rear extremely front order; The internal diameter of first step is greater than the internal diameter of second step; The internal diameter of second step is corresponding with the external diameter of coupler, and the bow-shaped recess of the linearity that the quantity in collision bead hole that is provided with vertically quantity and coupler on the rear portion of the inner circumferential wall of second step is identical, the axis of adjacent 2 bow-shaped recess of each bow-shaped recess all equates with respect to the angle of the central axial line of dish spring abutment; The tapering of front hole section and lock transfer the week tapering laterally of round platform section of mandrel identical, and the axial length of front hole section is equal to lock and transfers the front protuberance of mandrel and the axial length sum of round platform section.
Each packing ring is stacked setting according to from front to back order coaxial line successively.
The front end face at the front end position of dish spring abutment contacts with the aft end face of inboard the 3rd step of release of brake piston, and the front portion of the first limiting section of the circumferential outside left of dish spring abutment contacts with the step surface of the inboard second step of release of brake piston; The front end face of the second limiting section of the circumferential outside left of dish spring abutment and the aft end face of release of brake piston are also that the aft end face inner edge position of inboard first step contacts; The inside line towards the place ahead at the front end position of the aft end face of the second limiting section of the circumferential outside left of dish spring abutment and belleville spring contacts; Belleville spring arranges around the isolation part of dish spring abutment, and the contacting with the front end face towards the place ahead of the first packing ring towards rearward outside left of the position, rear end of belleville spring.
The front hole section of the circumferential inside line of dish spring abutment is enclosed within lock and transfers on the circumferential lateral surface of round platform section of mandrel, both mutual bearing fits; The second step of dish spring abutment is enclosed within on the cylinder of coupler, and both mutual bearing fits, and seals each other running-fit by corresponding seal ring between the two; Each bow-shaped recess at the rear portion of the second step of dish spring abutment contacts with the extending part of a corresponding steel ball of second group of collision bead.
Good effect of the present invention is:
(1) the present invention offers arcuate indentation by brake lining at the one end, makes the replacing of the frequent attrition component brake lining that need to change more for convenience, saves maintenance time, saves cost.
(2) structure of clamp pedestal of the present invention and shape make the compact conformation, installation and maintenance of hydraulic clamp brake equipment of the present invention all more for convenience, and be time saving and energy saving.
(3) in preferred mode, left brake pad pin and right brake pad pin are all only established a pin-and-hole that is positioned at the rear end, and the brake lining pin of this structure makes the replacing of brake lining convenient.
(4) brake cylinder of the present invention is used for hydraulic braking gripping mechanism that low-floor light rail vehicle is braked, and this brake cylinder has under the condition of the service braking oil circuit of primer fluid pressing system and the normal braking that realizes and the function of alleviation.This normal braking of brake cylinder and alleviation mode be safety not only, and reliable.Brake cylinder of the present invention preferably has mechanical mitigation capability; need can not realize the machinery alleviation by corresponding leverage component and grip module etc. by the mechanical relieving apparatus of special outside; when normal alleviation was lost efficacy, only need to carry out machinery by the special wrench device at the scene and alleviate.When carrying out the machinery alleviation, spanner is enclosed within on the position, rear end of hand adjustment axle, rotates counterclockwise the hand adjustment axle, make it drive push rod and rotate with respect to lock aligning axle, and motion backward, thereby realize mechanical the alleviation.In addition, in the adjustment of the initial position that stretches out casing component that carries out push rod, when also namely finally adjusting for the gap between brake lining and brake disc, can drive push rod by rotation hand adjustment axle and carry out the rotation of corresponding rotation direction with respect to lock aligning axle, make the front end of push rod be in appropriate initial position on fore-and-aft direction, this initial position has directly determined the gap between brake lining and brake disc, thereby has realized the on-the-spot purpose of adjusting the gap between brake lining and brake disc easily.
(5) casing component of brake cylinder of the present invention is preferably the syllogic member that adopts square-outside and round-inside, the installation that its columniform inner chamber makes inner components more for convenience, compact conformation, be conducive to the realization of various functions, when the circumferential outside of its square column type makes on the clamp pedestal that brake cylinder is fixed on the hydraulic braking gripping mechanism, install steadily, fixing reliable.In addition, hydraulic oil first inner chamber of brake cylinder is owing to adopting the syllogic casing component also can form comparatively easily.
(6) brake cylinder of the present invention when carrying out urgent hydraulic pressure alleviation, has two kinds of basic schemes.The first basic scheme is: auxiliary braking spare is oil cylinder cover, hydraulic oil the first inner chamber forms between casing component, oil cylinder cover and release of brake piston, the another one that hydraulic oil the first inner chamber is set on casing component is is simultaneously imported and exported, thereby make brake cylinder of the present invention in case of emergency, alleviate oil circuit injection liquid force feed and realize alleviating in hydraulic oil the first inner chamber by hydraulic efficiency pressure system corresponding urgent.The second basic scheme is preferred version: auxiliary braking spare is oil cylinder cover and auxiliary braking piston, and 2 hydraulic oil inner chambers are set.Hydraulic oil the first inner chamber forms between casing component, auxiliary braking piston and release of brake piston, hydraulic oil the second inner chamber forms between casing component, auxiliary braking piston and oil cylinder cover, thereby the hydraulic circuit that is connected with hydraulic oil the first inner chamber of hydraulic efficiency pressure system is the service braking loop, and the hydraulic circuit that is connected with hydraulic oil the second inner chamber is the urgent oil circuit of alleviating, the former is used for realizing normal brake application and alleviation, and the latter is used for realizing urgent hydraulic pressure alleviation.This preferred the second basic scheme makes when promptly alleviating, and only needs to use the manual pump interface to alleviate realizing in high pressure liquid force feed injection liquid force feed the second inner chamber.This preferred urgent mitigation capability; not only still kept the advantage of original urgent alleviation; and for the situation that the normal alleviation that hydraulic oil the first inner chamber that results from brake cylinder causes to the fault between the by-pass valve control of service braking oil circuit was lost efficacy, also can finally make the retraction of belleville spring and realize alleviating.
(7) preferred embodiments of the present invention are also double effects of playing lock accent device of brake cylinder.This preferred version is on the basis of basic technical scheme, brake cylinder also comprises flare nut, and select lock to transfer assembly also comprise first group of collision bead, lock accent nut, coupler and second group of collision bead and select the hand adjustment Shaft assembly also to comprise guide holder and body, automatically carry out stroke adjustment function thereby make brake cylinder have.Brake cylinder of the present invention the preferred brake lining and the braking gap of wheel of automatically adjusting hydraulic clamp, the adjustment precision is good, regulated efficiency is high, and is safe and reliable and compact conformation is reasonable, is applicable to the installation requirement of low-floor rail vehicle.
Description of drawings
Fig. 1 is the schematic diagram of interrelation of the brake disc of hydraulic braking gripping mechanism of the present invention and locomotive;
Fig. 2 is that schematic diagram is looked on the left side of Fig. 1;
Fig. 3 is when observing from the upper left side of Fig. 1, the schematic perspective view of the hydraulic braking gripping mechanism in figure, left brake pad pin in figure and the shape of right brake pad pin are provided by Figure 30, and different from the shape of left brake pad pin in Fig. 1 and right brake pad pin, not shown in FIG. need are arranged on the left assembly of clamp on the back seat of lock pin installation portion of clamp pedestal and corresponding threaded pin and corresponding anti-the releasing of the right assembly of clamp; Identical in the structure of all the other parts in Fig. 3 and Fig. 1;
Fig. 4 is during from the left back beneath of Fig. 3, the schematic perspective view of hydraulic braking gripping mechanism, and the structure of the corresponding parts in the structure of each parts in Fig. 4 and Fig. 1 is identical;
Fig. 5 is the schematic perspective view of the clamp pedestal in Fig. 3;
Fig. 6 is the schematic perspective view during from the beneath of Fig. 5;
Fig. 7 is that the B-B of Fig. 1 is to cross-sectional schematic;
Fig. 8 is the enlarged diagram of the brake cylinder in Fig. 7;
Fig. 9 is the schematic perspective view of the front brake lining of the grip module in Fig. 4;
Figure 10 is the hydraulic braking gripping mechanism schematic diagram that dismounting is moved when the brake lining of the front and back of replacing grip module shown in Figure 1;
Figure 11 is the schematic diagram of the rear-bank rotor housing of the casing component in Fig. 8;
Figure 12 is the schematic diagram of the central housing of the casing component in Fig. 8;
Figure 13 is the schematic diagram of the brake cylinder casing of the casing component in Fig. 8;
Figure 14 is the schematic diagram of the release of brake piston of the piston component in Fig. 8;
Figure 15 is the schematic diagram of the auxiliary braking piston of the piston component in Fig. 8;
Figure 16 is the schematic diagram of the oil cylinder cover of the piston component in Fig. 8;
Figure 17 is the schematic diagram of the push-rod assembly in Fig. 8, and the shaft block ring in push-rod assembly does not draw in the drawings;
Figure 18 is that the C-C of Figure 17 is to cross-sectional schematic;
Figure 19 is the schematic diagram that the lock in Fig. 8 is transferred assembly;
Figure 20 is the schematic perspective view of the lock aligning axle in Figure 19;
Figure 21 is the schematic perspective view that the lock in Figure 19 is transferred nut;
Figure 22 is the schematic perspective view of the coupler in Figure 19;
Figure 23 is the schematic diagram of the dish spring abutment of the dished spring assembly in Fig. 8;
Figure 24 is the schematic diagram of the hand adjustment Shaft assembly in Fig. 8, and guide holder and axle sleeve in the hand adjustment Shaft assembly do not draw;
Figure 25 is the D-D cross-sectional schematic of Figure 24;
Figure 26 is the schematic diagram of the guide holder of the hand adjustment Shaft assembly in Fig. 8;
Figure 27 is the schematic diagram of the axle sleeve of the hand adjustment Shaft assembly in Fig. 8;
Figure 28 is the schematic diagram of the flare nut in Fig. 8;
Figure 29 is the schematic perspective view of flare nut shown in Figure 28;
Figure 30 is a kind of schematic perspective view of the left brake pad pin of the grip module in Fig. 3; It is also a kind of schematic perspective view of right brake pad pin;
Figure 31 is a kind of schematic perspective view of the left assembly of clamp of the grip module in Fig. 3, is also a kind of schematic perspective view of the right assembly of clamp of grip module, corresponding threaded pin not shown in FIG. and corresponding anti-releasing;
Figure 32 is the schematic diagram of interrelation of the brake disc of prior art hydraulic braking gripping mechanism and locomotive.
Reference numeral in above-mentioned accompanying drawing is as follows:
Lock pin installation portion 12, left lock pin installation portion 12a, right lock pin installation portion 12b; Left Connection Block 12-1, right Connection Block 12-2, left front seat 12-3, left front mounting hole 12-3-1, left front through hole 12-3-2, left front blind hole 12-3-3; Right front seat 12-4, right front mounting hole 12-4-1, right front through hole 12-4-2; Back seat 12-5, left back mounting hole 12-5-1, right back mounting hole 12-5-2, left back through hole 12-5-3, right back through hole 12-5-4, left back blind hole 12-5-5.
Lever pin left end installation portion 13, left side board 13-1, left mount pad 13-2, lever pin left end mounting hole 13-3.
Lever pin right-hand member installation portion 14, right side board 14-1, right mount pad 14-2, lever pin right-hand member mounting hole 14-3.
Brake cylinder 2, casing component 21, rear-bank rotor housing 21-1, the mount pad 21-1-1 of central authorities, the cover plate 21-1-2 of section, the connecting cylinder 21-1-3 of section, negative thread 21-1-4, inboard first step 21-1-5, inboard second step 21-1-6, inboard the 3rd step 21-1-7, inboard groove 21-1-8, outside first step 21-1-9, outside second step 21-1-10, the outside the 3rd step 21-1-11, position, rear end 21-1-12, middle part 21-1-13, front end position 21-1-14; Central housing 21-2, the back-end sealing 21-2-1 of section, main part 21-2-2, forward sealing portion 21-2-3, outside groove 21-2-4; Brake cylinder casing 21-3, the first step 21-3-1 of section, the second step 21-3-2 of section, the 3rd stage portion 21-3-3, the first inboard groove 21-3-4a, the second inboard groove 21-3-4b, the 3rd inboard groove 21-3-4c; The 21-3-5 of back-end sealing section, main part 21-3-6, front end connecting portion 21-3-7, outside groove 21-3-8.
Piston component 22, oil cylinder cover 22-1, back step 22-1-1, middle bench 22-1-2, radially outer 22-1-2a, front step 22-1-3, inboard first step 22-1-4, inboard second step 22-1-5, inboard groove 22-1-6, annular arrangement mounting groove 22-1-7, inboard groove 22-1-8; Auxiliary braking piston 22-2, cylinder main body 22-2-1, front end face 22-2-1a, stop part 22-2-2, aft end face 22-2-2a, inboard groove 22-2-3; Release of brake piston 22-3, outside first step 22-3-1, outside second step 22-3-2, the outside the 3rd step 22-3-3, front end face 22-3-3a, inboard first step 22-34, inboard second step 22-3-5, inboard the 3rd step 22-3-6, inboard the 4th step 22-3-7, inboard the 5th step 22-3-8, inboard the 6th step 22-3-9, inboard groove 22-3-10; Thrust ball bearing with flat seat 22-4.
Push-rod assembly 23, push rod 23-1, front cavity 23-1-1, circlip groove 23-1-2, outside thread 23-1-3, rear chamber 23-1-4, metapore section 23-1-4a, pin groove 23-1-5; Pressure seat 23-2, anterior pedestal 23-2-1, rear portion pedestal 23-2-2; Packing ring 23-3; Pressure disc 23-4, central disk body 23-4-1, side plate 23-4-2; O RunddichtringO 23-5; Shaft block ring 23-6;
Lock is transferred 24, the first groups of collision bead 24-1 of assembly, shell 24-1-1, steel ball 24-1-2; Lock aligning axle 24-2, front protuberance 24-2-1, the round platform 24-2-2 of section, connecting portion 24-2-3, threaded portion 24-2-4, negative thread 24-2-5, collision bead mounting hole 24-2-6; Lock is transferred nut 24-3, central lumen 24-3-1, negative thread 24-3-2, collision bead hole 24-3-3; Coupler 24-4, cylinder 24-4-1, annular arrangement barrier plate 24-4-2, collision bead hole 24-4-3, central lumen 24-4-4; Second group of collision bead 24-5, shell 24-5-1, steel ball 24-5-2;
Dished spring assembly 25, dish spring abutment 25-1, the first limiting section 25-1-1, the second limiting section 25-1-2, isolation part 25-1-3, first step 25-1-4, second step 25-1-5, front hole section 25-1-6, front end position 25-1-7, inboard groove 25-1-8, bow-shaped recess 25-1-9; Belleville spring 25-2, packing ring 25-3 the first packing ring 25-3-1, the second packing ring 25-3-2, the 3rd packing ring 25-3-3;
Hand adjustment Shaft assembly 26, hand adjustment axle 26-1, position, rear end 26-1-1, the 26-1-2 of section that is tightly connected, stop part 26-1-3, connecting portion 26-1-4, main shaft section 26-1-5; Straight pin 26-2, packing ring 26-3, bolt 26-4, guide holder 26-5, body 26-5-1, annular arrangement plate 26-5-2; Axle sleeve 26-6, annular barrier plate 26-6-1, outer cylinder body 26-6-2, annular connecting plate 26-6-3, center 26-6-4, outside thread 26-6-5, self-lubricating packing ring 26-7;
Dust boot 28-1, cover main body 28-1-1, installation ring 28-1-2 installs packing ring 28-2, hole back-up ring 28-3;
Hydraulic oil the first inner chamber 29-1, hydraulic oil the second inner chamber 29-2;
Leverage component 3, platen 31, lever 32,
Grip module 6, the left assembly 6a of clamp, the right assembly 6b of clamp, left brake pad pin 61a, right brake pad pin 61b, pin-and-hole 61-1, arcuate indentation 61-2, left sleeve base 62a, right sleeve base 62b, leading portion 62-1, back segment 62-2; Left front spring perch 63a, right front spring perch 63b, left pull back spring 64a, right pull back spring 64b, left back spring perch 65a, right back spring perch 65b, ring-type inside line 65-1; The left front anti-66a1 that releases, the left back anti-66a2 that releases, the right front anti-66b1 that releases, the right back anti-66b2 that releases, connecting panel 66-1, positioning plate 66-2; Left front threaded pin 67a1, left back threaded pin 67a2, right front threaded pin 67b1, right back threaded pin 67b2; Front brake lining 68a, rear brake lining 68b, brake lining body 68-1 connects breach 68-1-1, connecting through hole 68-1-2, brake shoe 68-2,
Prior art hydraulic braking gripping mechanism 8, the framework 81a of bogie truck, axletree 82a, brake disc 83a,
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.This paper is described with orientation shown in Figure 1, and the direction up and down in Fig. 1 is also the direction up and down in describing, and the direction of court of Fig. 1 institute is the place ahead in description, and the direction that deviates from Fig. 1 is the rear in description.
(embodiment 1)
See Fig. 1 to Fig. 4 and Fig. 7, the hydraulic braking gripping mechanism of the present embodiment mainly is comprised of clamp pedestal 1, brake cylinder 2, leverage component 3, lever pin 4, left cover 51, right cover plate 52 and grip module 6.Leverage component 3 mainly is comprised of platen 31 and lever 32.
See Fig. 5 and Fig. 6, clamp pedestal 1 is the cast steel integral piece, mainly is comprised of brake cylinder installation portion 11, lock pin installation portion 12, lever pin left end installation portion 13 and lever pin right-hand member installation portion 14.
Brake cylinder installation portion 11 mainly is comprised of substrate 11-1 and adapter plate 11-2.Substrate 11-1 is horizontally disposed with.Adapter plate 11-2 vertical arranges, and its plate body is provided with the sagittal through hole as the medium pore 11-3 of brake cylinder installation portion 11, also is provided with corresponding sagittal 4 installation screw 11-4 on the plate body of adapter plate 11-2.Adapter plate 11-2 is connected to from the top on the front portion of upside of substrate 11-1.
Lock pin installation portion 12 mainly is comprised of left Connection Block 12-1, right Connection Block 12-2, left front seat 12-3, right front seat 12-4 and back seat 12-5.
Left front seat 12-3 is provided with left front mounting hole 12-3-1, left front through hole 12-3-2 and left front blind hole 12-3-3.The axis of left front mounting hole 12-3-1 is along front and back to arranging and connect left front seat 12-3.The axis of left front through hole 12-3-2 and left front blind hole 12-3-3 is identical and along the left and right to setting.The axis of left front through hole 12-3-2 is also along the radially setting of left front mounting hole 12-3-1, and leads to the left hand external of left front seat 12-3.Left front blind hole 12-3-3 is positioned on the madial wall of left front seat 12-3, and is provided with negative thread.
Right front seat 12-4 is provided with right front mounting hole 12-4-1, right front through hole 12-4-2 and right front blind hole.The axis of right front mounting hole 12-4-1 is along front and back to arranging and connect right front seat 12-4.The axis of right front through hole 12-4-2 and right front blind hole is identical and along the left and right to setting.The axis of right front through hole 12-4-2 is also along the radially setting of right front mounting hole 12-4-1, and leads to the right hand external of right front seat 12-4.Right front blind hole is positioned on the madial wall of right front seat 12-4, and is provided with negative thread.
Upper minute left and right of back seat 12-5 is provided with left back mounting hole 12-5-1 and right back mounting hole 12-5-2, and left back mounting hole 12-5-1 is positioned on the left end position of back seat 12-5, and the left front mounting hole 12-3-1 coaxial line with left front seat 12-3, right back mounting hole 12-5-2 is positioned on the right-hand member position of back seat 12-5, and with the right front mounting hole 12-4-1 coaxial line of right front seat 12-4.Back seat 12-5 arrange at its position that left back mounting hole 12-5-1 is set the left and right lead to left hand external to left back through hole 12-5-3 and with the left back blind hole 12-5-5 that is provided with negative thread on madial wall of being positioned at of this left back through hole 12-5-3 coaxial line, and the axis of left back through hole 12-5-3 is also along the radially setting of left back mounting hole 12-5-1.Back seat 12-5 also arrange at its position that right back mounting hole 12-5-2 is set the left and right lead to right hand external to right back through hole 12-5-4 and with the right back blind hole that is provided with negative thread on madial wall of being positioned at of this right back through hole 12-5-4 coaxial line, and the axis of right back through hole 12-5-4 is also along the radially setting of right back mounting hole 12-5-2.
The left Connection Block 12-1 of lock pin installation portion 12 is connected to from left on the left side of substrate 11-1 of brake cylinder installation portion 11, and right Connection Block 12-2 is from the right side of the right-hand substrate 11-1 that is connected to brake cylinder installation portion 11.Left front seat 12-3 is connected to from the below on the front portion of downside of left Connection Block 12-1, and right front seat 12-4 is connected to from the below on the front portion of downside of right Connection Block 12-2.Back seat 12-5 is connected to from the below on the rear portion of downside of substrate 11-1, and its left end position is connected to from the below on the rear portion of downside of left Connection Block 12-1, and its right-hand member position is connected to from the below on the rear portion of downside of right Connection Block 12-2.Thereby the left end position of left front seat 12-3 and back seat 12-5 consists of the left lock pin installation portion 12a of lock pin installation portion 12 jointly, and the right-hand member position of right front seat 12-4 and back seat 12-5 consists of the right lock pin installation portion 12b of lock pin installation portion 12 jointly.
Lever pin left end installation portion 13 mainly is comprised of left side board 13-1 and left mount pad 13-2.Left side board 13-1 is connected to from left by its rear end, right side on the left side of adapter plate 11-2 of brake cylinder installation portion 11, and is connected with the right side of the left Connection Block 12-1 of lock pin installation portion 12 is anterior by its rear end, left side.Left mount pad 13-2 be provided with as the left and right of lever pin left end mounting hole 13-3 to through hole.Left mount pad 13-2 is connected to from the below by the upside of the front portion at its left end position on the downside of front portion of left side board 13-1, and by the left side at the rear portion at its left end position from the right side at the right-hand rear portion that is connected to left side board 13-1.
Lever pin right-hand member installation portion 14 mainly is comprised of right side board 14-1 and right mount pad 14-2.Right side board 14-1, and is connected with the left side of the right Connection Block 12-2 of lock pin installation portion 12 is anterior by its rear end, right side from the right side of the right-hand adapter plate 11-2 that is connected to brake cylinder installation portion 11 by its rear end, left side.Right mount pad 14-2 be provided with as the left and right of lever pin right-hand member mounting hole 14-3 to through hole, and this lever pin right-hand member mounting hole 14-3 and lever pin left end mounting hole 13-3 coaxial line.Right mount pad 14-2 is connected to from the below by the upside of the front portion at its right-hand member position on the downside of front portion of right side board 14-1, and is connected to from left by the right side at the rear portion at its right-hand member position on the left side at rear portion of right side board 14-1.
Said structure makes left lock pin installation portion 12a be positioned at the lower left of brake cylinder installation portion 11, right lock pin installation portion 12b is positioned at the lower right of brake cylinder installation portion 11, lever pin left end installation portion 13 is positioned at the front left of brake cylinder installation portion 11, and lever pin right-hand member installation portion 14 is positioned at the front right-hand of brake cylinder installation portion 11.
See Fig. 8, brake cylinder 2 mainly transfers assembly 24, dished spring assembly 25, hand adjustment Shaft assembly 26, flare nut 28, dust boot 28-1 and corresponding sealing member to form by casing component 21, piston component 22, thrust ball bearing with flat seat 22-4, push-rod assembly 23, lock.
Casing component 21 is according to mainly being connected successively and consisting of with brake cylinder casing 21-3 by rear-bank rotor housing 21-1, central housing 21-2 from rear extremely front order, and rear-bank rotor housing 21-1, central housing 21-2 and brake cylinder casing 21-3 are the part of cast steel integral piece through obtaining after processing that is provided with the central lumen before and after connecting, and three's central axial line is the same axis, and this axis is also the central axial line of casing component 21.
See Figure 11, rear-bank rotor housing 21-1 according to radially from inside to outside order be connected successively with the connecting cylinder 21-1-3 of section by central mount pad 21-1-1, the cover plate 21-1-2 of section around the central axial line setting and consist of.The overall stepped cylindrical shape of the mount pad 21-1-1 of central authorities, its central lumen is also the central lumen of rear-bank rotor housing 21-1.The circumferential inside line of the formation central lumen of the mount pad 21-1-1 of central authorities is provided with inboard first step 21-1-5, inboard second step 21-1-6 and inboard the 3rd step 21-1-7 successively according to order from front to back, and the internal diameter of each step reduces by rank successively.The inwall of inboard first step 21-1-5 is provided with negative thread 21-1-4.The inwall of inboard the 3rd step 21-1-7 is provided with 2 inboard groove 21-1-8 that are used for the annular arrangement of installation seal ring.The circumferential outside left of the mount pad 21-1-1 of central authorities is provided with outside first step 21-1-9, outside second step 21-1-10 and the outside the 3rd step 21-1-11 successively according to order from front to back.The 21-1-2 of cover plate section is the annular arrangement plate, and around the rear outside setting of central mount pad 21-1-1, and the aft end face of end face and central mount pad 21-1-1 is positioned on same vertical guide thereafter.The circumferential outer shape of the 21-1-3 of connecting cylinder section is also the circumferential outer shape of rear-bank rotor housing 21-1, this circumferential outer shape is same as the circumferential outer shape with the square column of fillet, and the connecting cylinder 21-1-3 of section consists of according to being connected successively with front end position 21-1-14 from rear position, rear end 21-1-12, the middle part 21-1-13 that is increased by rank by internal diameter to front order.The 21-1-3 of connecting cylinder section is arranged around the cover plate 21-1-2 of section by position, its rear end 21-1-12, and the aft end face of the aft end face of this position, rear end 21-1-12 and the cover plate 21-1-2 of section is positioned on same vertical guide.
See Figure 12, central housing 21-2 totally is the tubular of square-outside and round-inside, and the central lumen of central housing 21-2 is the cylindrical step hole.Central housing 21-2 is according to consisting of by all being connected successively with forward sealing portion 21-2-3 around the back-end sealing 21-2-1 of section, the main part 21-2-2 of central axial line setting to front order from rear.The 21-2-1 of back-end sealing section is substantially cylindrical, its external diameter is corresponding with the internal diameter of the front end position 21-1-14 of the connecting cylinder 21-1-3 of section of rear-bank rotor housing 21-1, and the peripheral outer wall of the back-end sealing 21-2-1 of section is provided with the outside groove 21-24 for the annular arrangement that seal ring is installed.The circumferential outer shape of the main part 21-2-2 of central housing 21-2 is same as the circumferential outer shape with the square column of fillet, and the peripheral shape of its cross-sectional plane is same as the peripheral shape (described cross-sectional plane refers to the cross section perpendicular to central axial line, and is lower same) of the cross-sectional plane of rear-bank rotor housing 21-1.The internal diameter of main part 21-2-2 is identical with the internal diameter of the middle part 21-1-13 of the connecting cylinder 21-1-3 of section of rear-bank rotor housing 21-1.The circumferential outer shape of the forward sealing portion 21-2-3 of central housing 21-2 is same as the circumferential outer shape with the square column of fillet, and is same as the circumferential outer shape of the main part 21-2-2 of central housing 21-2.The internal diameter of forward sealing portion 21-2-3 is greater than the internal diameter of main part 21-2-2.
See Fig. 8, Figure 12 and Figure 11, central housing 21-2 is stretched into from front to back by its rear end sealing 21-2-1 in the front end position 21-1-14 of the connecting cylinder 21-1-3 of section of rear-bank rotor housing 21-1, and the internal diameter free-running fit of the front end position 21-1-14 of the external diameter of the back-end sealing 21-2-1 of section of central housing 21-2 and the connecting cylinder 21-1-3 of section of rear-bank rotor housing 21-1, and the seal ring in the outside groove 21-2-4 of the back-end sealing 21-2-1 of section by being arranged on central housing 21-2 is tightly connected between the two.
See Figure 13, brake cylinder casing 21-3 totally is the tubular of square-outside and round-inside, and the central lumen of brake cylinder casing 21-3 is the cylindrical step hole, and also be provided with 2 through holes (not shown in FIG.) for the hydraulic oil turnover on the barrel of brake cylinder casing 21-3, they are that first of hydraulic oil is imported and exported and the second import and export.First of this hydraulic oil is imported and exported and the second import and export are also the first import and export and second import and export of the hydraulic oil of casing component.
The circumferential outside left of brake cylinder casing 21-3 is according to consisting of from rear being connected successively with front end connecting portion 21-3-7 by the back-end sealing 21-3-5 of section, main part 21-3-6 to front order.The shape of the back-end sealing 21-3-5 of section of the circumferential outside left of brake cylinder casing 21-3 is basic identical in cylindrical circumferential outer shape, and its external diameter is corresponding with the internal diameter of the forward sealing portion 21-2-3 of central housing 21-2, and the peripheral outer wall of the back-end sealing 21-3-5 of section is provided with the outside groove 21-3-8 for the annular arrangement that seal ring is installed.The shape of the main part 21-3-6 of the circumferential outside left of brake cylinder casing 21-3 is same as the circumferential outer shape with the square column of fillet, and the peripheral shape of its cross-sectional plane is same as the circumferential outer shape of cross-sectional plane of the main part 21-2-2 of central housing 21-2.Brake cylinder casing 21-3 the shape of front end connecting portion 21-3-7 of circumferential outside left be same as cylindrical circumferential outer shape, and its external diameter is less than the external diameter of the back-end sealing 21-3-5 of section.
Still see Figure 13, the central lumen of brake cylinder casing 21-3 is the cylindrical step hole, and this cylindrical step hole is formed by the circumferential inside line of brake cylinder casing 21-3.The circumferential inside line of brake cylinder casing 21-3 is provided with the first step 21-3-1 of section, the second step 21-3-2 of section and the 3rd stage portion 21-3-3 successively according to order from front to back, and the internal diameter of the first step 21-3-1 of section, the second step 21-3-2 of section and the 3rd stage portion 21-3-3 reduces successively step by step.The axial length of the 21-3-1 of first step section is less than the axial length of front end connecting portion 21-3-7, and the inner circumferential wall of the first step 21-3-1 of section is provided with negative thread.Be equipped with the inboard groove for 4 annular arrangements that seal ring is installed on the inner circumferential wall of the 21-3-2 of second step section and the 3rd stage portion 21-3-3; Wherein, according to order from front to back, be provided with successively the first inboard groove 21-3-4a and the second inboard groove 21-3-4b on the second step 21-3-2 of section, the 3rd stage portion 21-3-3 is provided with 2 the 3rd inboard groove 21-3-4c.
See Fig. 8, Figure 13 and Figure 12, brake cylinder casing 21-3 is stretched in the forward sealing portion 21-2-3 of central housing 21-2 from front to back by the back-end sealing 21-3-5 of section of its circumferential outside left, and the internal diameter free-running fit of the external diameter of the back-end sealing 21-3-5 of section of brake cylinder casing 21-3 and the forward sealing portion 21-2-3 of central housing 21-2, and the seal ring in the outside groove 21-3-8 of the back-end sealing 21-3-5 of section by being arranged on brake cylinder casing 21-3 is tightly connected between the two.
See Fig. 1 to Fig. 3 and Fig. 5, brake cylinder 2 is seated in by its casing component 21 on the substrate 11-1 of brake cylinder installation portion 11 of clamp pedestal 1,4 to wear bolt by rear to front rear-bank rotor housing 21-1, the central housing 21-2 and brake cylinder casing 21-3 that passes successively casing component 21, on corresponding 1 installation screw 11-4 of the adapter plate 11-2 that screws at the brake cylinder installation portion 11 of clamp pedestal 1, and make casing component 21 be fixed on the brake cylinder installation portion 11 of clamp pedestal 1.
Casing component 21 is except playing a protective role, being arranged on brake cylinder on clamp pedestal 1 and arranging in casing component 21 other parts, and casing component 21 is arranged to split type kit form and is had following technique effect:
The one, casing component 21 adopts split type kit form, not only be conducive to convenient other related components that brake cylinder 2 is installed, and also can dismantle easily and change relevant parts when maintenance, but also be conducive to rear-bank rotor housing 21-1, central housing 21-2 and the further processing of brake cylinder casing 21-3 after casting to casing component 21; 2 through holes that are used for the hydraulic oil turnover such as processing sets up on brake cylinder casing 21-3 are more convenient etc.
The 2nd, the rear-bank rotor housing 21-1 of casing component 21, central housing 21-2 and brake cylinder casing 21-3 all upwards are arranged to the shape of square-outside and round-inside on the whole in its week, its outside square is conducive to stable being seated on clamp pedestal 1, the circle of its inside is conducive to the seesawing of respective pistons of piston component 22, and the motion that is conducive to compression before and after belleville spring 25-2 and opens.
The 3rd, the brake cylinder casing 21-3 of casing component 21 also plays the effect that jointly consists of hydraulic oil the first inner chamber 29-1 and hydraulic oil the second inner chamber 29-2 with corresponding piston, thereby participates in the first mode of operation and the second mode of operation of realizing brake cylinder 2 directly.
See Fig. 8, piston component 22 is mainly set gradually and is formed by oil cylinder cover 22-1, auxiliary braking piston 22-2 and release of brake piston 22-3 according to order from front to back.Oil cylinder cover 22-1, auxiliary braking piston 22-2 and release of brake piston 22-3 are the part of cast steel integral piece through obtaining after processing, and the three is overall stepped cylinder barrel shaped all, be also that the three is equipped with the central lumen before and after connecting, and three's central axial line is the same axis, this axis is also the central axial line of piston component 22, and the central axial line of piston component 22 is identical with the central axial line of casing component 21.
See Figure 14, the circumferential outside left of release of brake piston 22-3 is provided with outside first step 22-3-1, outside second step 22-3-2 and the outside the 3rd step 22-3-3 successively according to order from front to back, and the external diameter of outside first step 22-3-1, outside second step 22-3-2 and the outside the 3rd step 22-3-3 increases by rank successively.
Still see Figure 14, the central lumen of release of brake piston 22-3 is the cylindrical step hole, and this cylindrical step hole is formed by the circumferential inside line of release of brake piston 22-3.the circumferential inside line of release of brake piston 22-3 is according to being provided with successively inboard first step 22-3-4 from rear extremely front order, inboard second step 22-3-5, inboard the 3rd step 22-3-6, inboard the 4th step 22-3-7, inboard the 5th step 22-3-8 and inboard the 6th step 22-3-9, and inboard first step 22-3-4, inboard second step 22-3-5, inboard the 3rd step 22-3-6, the internal diameter of inboard the 4th step 22-3-7 and inboard the 5th step 22-3-8 reduces by rank, the internal diameter of inboard the 6th step 22-3-9 is identical with the internal diameter of inboard the 4th step 22-3-7, and the inner circumferential wall of inboard the 5th step 22-3-8 is provided with the inboard groove 22-3-10 for the annular arrangement that seal ring is installed.
See Fig. 8, Figure 14 and Figure 13, release of brake piston 22-3 is arranged in the brake cylinder casing 21-3 of casing component 21, and the internal diameter free-running fit of the 3rd stage portion 21-3-3 of the external diameter of the outside the 3rd step 22-3-3 of release of brake piston 22-3 and the circumferential inside line of brake cylinder casing 21-3 and mutual sliding block joint, and the corresponding seal ring sealing in 2 the 3rd inboard groove 21-3-4c on the inner circumferential wall of the 3rd stage portion 21-3-3 by being arranged on brake cylinder casing 21-3 is dynamically connected between the two.
See Figure 15, auxiliary braking piston 22-2 is connected with stop part 22-2-2 by cylinder main body 22-2-1 according to from front to back order and consists of.Cylinder main body 22-2-1 is cylindrical tube shape, stop part 22-2-2 is cylindrical tube shape substantially, and stop part 22-2-2 is connected on the rear side outside of a main body 22-2-1 from the rear, thereby the central lumen of auxiliary braking piston 22-2 is the cylindrical step hole, and the inner circumferential wall of cylinder main body 22-2-1 is provided with the inboard groove 22-2-3 for the annular arrangement that seal ring is installed.
See Fig. 8, Figure 15 and Figure 13, auxiliary braking piston 22-2 is arranged in the brake cylinder casing 21-3 of casing component 21, and the internal diameter free-running fit of the second step 21-3-2 of section of the external diameter of auxiliary braking piston 22-2 and the circumferential inside line of brake cylinder casing 21-3 and mutual sliding block joint, and the seal ring sealing in the second inboard groove 21-3-4b on the inner circumferential wall of the second step 21-3-2 of section by being arranged on brake cylinder casing 21-3 is dynamically connected between the two.And auxiliary braking piston 22-2 also is positioned at the place ahead of the outside the 3rd step 22-3-3 of release of brake piston 22-3.Under the state of not fluid injection force feed, auxiliary braking piston 22-2 is arranged around the outside second step 22-3-2 of release of brake piston 22-3 by its stop part 22-2-2, and arranged around the outside first step 22-3-1 of release of brake piston 22-3 by its main body 22-2-1, and auxiliary braking piston 22-2 is oppositely arranged by the front end face 22-3-3a of the outside the 3rd step 22-3-3 of the aft end face 22-2-2a of its stop part 22-2-2 and release of brake piston 22-3.
See Fig. 8, the space that the outside the 3rd step 22-3-3 of the outside second step 22-3-2 of the aft end face of the cylinder main body 22-2-1 of auxiliary braking piston 22-2, the stop part 22-2-2 of auxiliary braking piston 22-2, release of brake piston 22-3, release of brake piston 22-3 and the brake cylinder casing 21-3 of casing component 21 surround forms the hydraulic oil first inner chamber 29-1 that is used for passing into hydraulic oil of brake cylinder, and this hydraulic oil the first inner chamber 29-1 is connected with hydraulic oil the first import and export of brake cylinder casing 21-3.
See Figure 16, the circumferential outside left of oil cylinder cover 22-1 is according to consisting of from rear being connected successively with front step 22-1-3 by back step 22-1-1, middle bench 22-1-2 to front order, and the external diameter of back step 22-1-1, middle bench 22-1-2 and front step 22-1-3 increases by rank successively, and the radially outer 22-1-2a of middle bench 22-1-2 is for being backward the position of circular protrusion.The peripheral outer wall of the front step 22-1-3 of oil cylinder cover 22-1 is provided with outside thread.The substantially cylindrical stepped hole of the central lumen of oil cylinder cover 22-1, this cylindrical step hole is formed by the circumferential inside line of oil cylinder cover 22-1.the circumferential inside line of oil cylinder cover 22-1 is provided with inboard first step 22-1-4 and inboard second step 22-1-5 successively according to order from front to back, and the internal diameter of inboard first step 22-1-4 is greater than the internal diameter of inboard second step 22-1-5, and the inner circumferential wall of inboard second step 22-1-5 is provided with the inboard groove 22-1-6 for 2 annular arrangements that seal ring is installed, the leading flank of inboard second step 22-1-5 is provided with opening towards the annular arrangement mounting groove 22-1-7 in the place ahead, and the inner circumferential wall of inboard first step 22-1-4 is provided with for the inboard groove 22-1-8 of mounting hole with the annular arrangement of back-up ring.
See Fig. 8, Figure 16, Figure 15 and Figure 13, oil cylinder cover 22-1 is arranged in the central lumen of brake cylinder casing 21-3 of casing component 21, and the front step 22-1-3 of oil cylinder cover 22-1 is matched by the negative thread of the outside thread on its peripheral outer wall with the first step 21-3-1 of section of the circumferential inside line of brake cylinder casing 21-3, thereby makes oil cylinder cover 22-1 screw thread be fixedly connected on brake cylinder casing 21-3.The external diameter of the middle bench 22-1-2 of oil cylinder cover 22-1 intermittently coordinates with the internal diameter of the second step 21-3-2 of section of the circumferential inside line of brake cylinder casing 21-3 and mutual sliding block joint, and the seal ring sealing in the first inboard groove 21-3-4a on the inner circumferential wall of the second step 21-3-2 of section by being arranged on brake cylinder casing 21-3 is dynamically connected between the two.And the middle bench 22-1-2 of oil cylinder cover 22-1 also is oppositely arranged by the front end face 22-2-1a of the cylinder main body 22-2-1 of the aft end face of its radially outer 22-1-2a and auxiliary braking piston 22-2.The internal diameter free-running fit of the cylinder main body 22-2-1 of the external diameter of the back step 22-1-1 of oil cylinder cover 22-1 and auxiliary braking piston 22-2 and mutual sliding block joint, and the seal ring in the inboard groove 22-2-3 on the inwall of the cylinder main body 22-2-1 by being arranged on auxiliary braking piston 22-2 seals and is dynamically connected between the two.The internal diameter of the back step 22-1-1 of oil cylinder cover 22-1 coordinates with the crest clearance of the outside first step 22-3-1 of release of brake piston 22-3 and mutual sliding block joint, and the seal ring sealing in 2 the inboard groove 22-1-6 of the inboard second step 22-1-5 by being arranged on oil cylinder cover 22-1 is dynamically connected between the two.
see Fig. 8, brake cylinder also is provided be used to hydraulic oil the second inner chamber 29-2 that passes into hydraulic oil, this hydraulic oil the second inner chamber 29-2 is by the back step 22-1-1 of the circumferential outside left of oil cylinder cover 22-1, the middle bench 22-1-2 of the circumferential outside left of oil cylinder cover 22-1, the space that the front end face 22-2-1a of the cylinder main body 22-2-1 of auxiliary braking piston 22-2 and the brake cylinder casing 21-3 of casing component 21 surround forms, be also that hydraulic oil the second inner chamber 29-2 is by brake cylinder casing 21-3, the space that auxiliary braking piston 22-2 and oil cylinder cover 22-1 surround forms, and this hydraulic oil the second inner chamber 29-2 imports and exports with the hydraulic oil second of brake cylinder casing 21-3 and is connected.Piston component 22 adopts split type kit form, making brake cylinder 2 have conventional braking and the function of alleviation also can be carried out outside the first mode of operation, also make brake cylinder 2 have the function of the urgent alleviation when release of brake piston 22-3 cisco unity malfunction, also can carry out the second mode of operation.Now first be described below:
When the alleviation process of the first mode of operation of carrying out brake cylinder 2, hydraulic oil enters the release of brake piston 22-3 that makes piston component 22 in hydraulic oil the first inner chamber 29-1 and overcomes the elastic force of belleville spring 25-2 by dish spring abutment 25-1 and move backward, when providing power for final realization to the alleviation of braking, also increased the elastic force potential energy of belleville spring 25-2; Meanwhile, the elastic force of the pull back spring of grip module 6 is applied on push rod 23-1 by corresponding parts successively, makes push rod 23-1 drive lock aligning axle 24-2 and together motion backward of release of brake piston 22-3; The stretching, extension of pull back spring makes corresponding 2 brake linings decontrol the clamping of brake disc 7 and be eased.When the braking procedure of the first mode of operation of carrying out brake cylinder 2, open corresponding blowdown valve and make hydraulic oil efflux force feed the first inner chamber 29-1, under the elastic force effect of belleville spring 25-2, when travelling forward discharge hydraulic oil by dish spring abutment 25-1 drive release of brake piston 22-3, also driving successively lock aligning axle 24-2 and push rod 23-1 travels forward, when discharging corresponding elastic potential energy, the elastic force that also finally overcomes pull back spring makes 2 brake linings of grip module 6 upwards clamp brake disc 7 in front and back and realizes braking.
Occur unexpected and can not carry out the first mode of operation the time at brake cylinder 2, such as the pipeline leakage of oil of hydraulic efficiency pressure system or defective valve etc. makes hydraulic efficiency pressure system to control moving forward and backward of release of brake piston 22-3.At this moment, can adopt manual pump that the high pressure liquid force feed is imported and exported in injection liquid force feed the second inner chamber 29-2 by second of casing component 21, thereby make brake cylinder 2 enter the second mode of operation, and alleviate accordingly process, hydraulic oil enters to make in hydraulic oil the second inner chamber 29-2 at auxiliary braking piston 22-2 and overcomes the elastic force of belleville spring 25-2 by release of brake piston 22-3 and dish spring abutment 25-1 successively and move backward, when providing power for final realization to the alleviation of braking, also increased the elastic force potential energy of belleville spring 25-2.Certainly, where necessary, also can discharge the hydraulic oil in hydraulic oil the second inner chamber 29-2 in the second mode of operation, and carry out corresponding braking procedure.
See Fig. 8 and Figure 14, the central axial line of thrust ball bearing with flat seat 22-4 is identical with the central axial line of piston component 22.Thrust ball bearing with flat seat 22-4 comprises the seat ring that is positioned at the front side and the blowout patche that is positioned at rear side.Thrust ball bearing with flat seat 22-4 is fixed on inboard the 3rd step 22-3-6 of release of brake piston 22-3 by its seat ring.See Fig. 8 and Figure 17, push-rod assembly 23 is according to mainly being set gradually and consisted of by push rod 23-1, pressure seat 23-2 packing ring 23-3 and pressure disc 23-4 from rear extremely front order.Push rod 23-1, pressure seat 23-2 and pressure disc 23-4 are the part of cast steel integral piece through making after processing, and three's central axial line is the same axis, this axis is also the central axial line of push-rod assembly 23, and the central axial line of push-rod assembly 23 is identical with the central axial line of piston component 22.Packing ring 23-3 is the self-lubricating packing ring.Push-rod assembly 23 also comprises O RunddichtringO 23-5 and shaft block ring 23-6.
See Figure 17, the opening of pressure disc 23-4 backward, pressure disc 23-4 is made of the central disk body 23-4-1 of circle and the side plate 23-4-2 that is connected to the cylinder shelly of the circumferential outer ledge of central disk body 23-4-1 from the rear.The inner circumferential wall of the side plate 23-4-2 of pressure disc 23-4 is provided with the inboard groove of annular arrangement.
Pressure seat 23-2 mainly consists of by being connected successively before and after anterior pedestal 23-2-1 and rear portion pedestal 23-2-2.Anterior pedestal 23-2-1 and rear portion pedestal 23-2-2 are cylindrical, and the external diameter of anterior pedestal 23-2-1 is greater than the external diameter of rear portion pedestal 23-2-2, and the side plate 234-2 internal diameter free-running fit of the external diameter of anterior pedestal 23-2-1 and pressure disc 23-4.The circumferential lateral surface of anterior pedestal 23-2-1 is provided with the outside groove of annular arrangement, anterior pedestal 23-2-1 from the rear stretch into pressure disc 23-4 side plate 23-4-2 around the space, and the trailing flank of packing ring 23-3 contacts with the leading flank of the anterior pedestal 23-2-1 of pressure seat 23-2, and the leading flank of packing ring 23-3 contacts with the trailing flank of the central disk body 23-4-1 of pressure disc 234.O RunddichtringO 23-5 is arranged between the inboard groove of side plate 23-4-2 of the outside groove of anterior pedestal 23-2-1 of pressure seat 23-2 and pressure disc 23-4.
See Figure 17 and Figure 18, push rod 23-1 is overall cylindrical steel integral piece, and the front end of push rod 23-1 also is provided with opening front cavity 23-1-1 forward, the week of the front end of push rod 23-1 is provided with circlip groove 23-1-2 laterally, the week of the back segment of push rod 23-1 is provided with the self-locking thread as outside thread 23-1-3 laterally, and the back segment of push rod 23-1 is provided with opening rear chamber 23-1-4 backward.The front cavity 23-1-1 of push rod 23-1 is identical with the axis of rear chamber 23-1-4, and this axis is also the central axial line of push rod 23-1.The external diameter interference fit of the rear portion pedestal 23-2-2 of the internal diameter of the front cavity 23-1-1 of push rod 23-1 and pressure seat 23-2, push rod 23-1 is tightly placed on the rear portion pedestal 23-2-2 of pressure seat 23-2 by its front cavity 23-1-1.The rear chamber 23-1-4 of push rod 23-1 totally is rear large front little stepped appearance cylindrical hole, and the inwall of the metapore section 23-1-4a of rear chamber 23-1-4 is provided with the semi-cylindrical pin groove 23-1-5 that 2 central axial lines with push rod 23-1 parallel and opening is relative, and described semi-cylindrical pin groove 23-1-5 rearward connects push rod 23-1.
See Fig. 8, Figure 17 and Figure 14, the leading portion of the body of rod of push rod 23-1 is arranged in the central lumen of release of brake piston 22-3, and the internal diameter free-running fit of inboard the 5th step 22-3-8 of the external diameter of the leading portion of the body of rod of push rod 23-1 and release of brake piston 22-3, and be dynamically connected by the seal ring in the inboard groove 22-3-10 that is arranged on release of brake piston 22-3 and the seal ring sealing that is arranged on the 4th step 22-3-7 place, inboard of release of brake piston 22-3 between the two.Shaft block ring 23-6 is arranged on the circlip groove 23-1-2 place of push rod 23-1, the circlip groove 23-1-2 place of its front end face and push rod 23-1 contacts towards rearward end face, and end face contacts with the end face towards the place ahead of inboard the 5th step 22-3-8 of release of brake piston 22-3 thereafter.
The core part of push-rod assembly 23 is push rod 23-1.Push rod 23-1 in use functions as follows:
the one, push rod 23-1 is captiveed joint with pressure seat 23-2 by its front cavity 23-1-1, and in the braking procedure of the first mode of operation of carrying out brake cylinder 2, push rod 23-1 by pressure seat 23-2 successively will be forward force transmission to packing ring 23-3 and pressure disc 23-4, be passed to again the platen 31 of leverage component 3 by pressure disc 23-4, the front brake lining 68a that makes platen 31 drive levers 32 promote grip module 6 around lever pin 4 rotations moves backward, the motion backward of front brake lining 68a contacts with brake disc 7 from the place ahead, brake disc 7 contacts with rear brake lining 68b when being pushed to the rear, thereby the clamping of brake lining to brake disc 7 before and after having realized, realized braking, in the alleviation process of the first of carrying out brake cylinder 2 and the second mode of operation, push rod 23-1 accepts the application force backward from pressure seat 23-2, move backward when transmitting application force backward, and described backward application force derives from the elastic force of the pull back spring of grip module 6.
The 2nd, push rod 23-1 is in motion backward, by the self-locking outside thread 23-1-3 drive of its back segment and the together motion backward of lock aligning axle 24-2 of its screw thread fit.
The 3rd, push rod 23-1 by the metapore section 23-1-4a of its rear chamber 23-1-4 and be arranged on pin groove 23-1-5 on the inwall of metapore section 23-1-4a of rear chamber 23-14 and the hand adjustment axle 26-1 of hand adjustment Shaft assembly 26 and straight pin 26-2 before and after bearing fit, and upwards mutually spacing in week, thereby in the adjustment process of the third mode of operation of brake cylinder 2, under the rotation of hand adjustment axle 26-1,26-1 together rotates in company with the hand adjustment axle, and then rotate and move forwards or backwards accordingly with respect to lock aligning axle 24-2, thereby can be in suitable position; In addition, can not normally retract the casing component 21 of brake cylinder 2 when interior at push rod 23-1, rotate the mode of hand adjustment axle 26-1 by armstrong's patent, push rod 23-1 is moved backward and reach effect to the alleviation of braking.
The 4th, after the circlip groove 23-1-2 that is arranged in front end of push rod 23-1 arranges shaft block ring 23-6, in the braking procedure of the first mode of operation of brake cylinder, when push rod 23-1 is promoted it and travelled forward by lock aligning axle 24-2, also provide the thrust of equilibrium activity by shaft block ring 23-6 by release of brake piston 22-3; And in the alleviation process of the first mode of operation of brake cylinder, release of brake piston 22-3 moves under the effect of hydraulic oil and when driving dish spring abutment 25-1 and retreating simultaneously backward, push rod 23-1 accepting the application force that derives from pull back spring that pressure seat 23-2 transmits with lock aligning axle 24-2 together backward in motion, also together moved backward immediately following release of brake piston 22-3 with back-up ring 23-6 by its front end head impeller-hub, thereby be conducive to increase the stationarity that push rod 23-1 moves backward.Thereby push rod 23-1 arranges circlip groove 23-1-2 and push-rod assembly 23 arranges the preferred disposition that shaft block ring 23-6 is push-rod assembly 23 of the present invention.
See Fig. 8 and Figure 19, lock transfers assembly 24 mainly to transfer nut 24-3, coupler 24-4 and second group of collision bead 24-5 to form by first group of collision bead 24-1, lock aligning axle 24-2, lock.Lock aligning axle 24-2, lock transfer nut 24-3 and coupler 24-4 to be the part of cast steel integral piece through obtaining after processing, and the three is equipped with the central lumen before and after connecting, three's central axial line is the same axis, this axis is also the central axial line that lock is transferred assembly 24, and lock transfers the central axial line of assembly 24 identical with the central axial line of push-rod assembly 23.
See Figure 20, Figure 19 and Fig. 8, the inwall of the central lumen of lock aligning axle 24-2 is provided with the self-locking thread as negative thread 24-2-5, and the difference of the shape of the circumferential outside left of lock aligning axle 24-2 basis is connected to form by front protuberance, the round platform 24-2-2 of section, connecting portion 24-2-3 and threaded portion 24-2-4 successively according to order from front to back.The negative thread 24-2-5 of lock aligning axle 24-2 matches with the outside thread 23-1-3 of the back segment of push rod 23-1.The circumferential outer shape of front protuberance 24-2-1 is same as the circumferential outer shape of cylinder.The circumferential outer shape of the 24-2-2 of round platform section is same as the circumferential outer shape of round platform, and the external diameter of the front end of the round platform 24-2-2 of section is greater than the external diameter of rear end, and the external diameter of the front end of the round platform 24-2-2 of section is greater than the external diameter of front protuberance 24-2-1.The circumferential outer shape of connecting portion 24-2-3 is same as the circumferential outer shape of cylinder, the external diameter of connecting portion 24-2-3 is less than the external diameter of the rear end of the round platform 24-2-2 of section, the circumferential outer shape of threaded portion 24-2-4 is the cylinder outside thread, and this outside thread is non-self-locking thread.The external diameter of the external diameter of the rear end of the 24-2-2 of round platform section, the external diameter of threaded portion 24-2-4 and connecting portion 24-2-3 reduces successively.Lock aligning axle 24-2 is provided with opening 3 to 6 collision bead mounting hole 24-2-6(the present embodiment towards the place ahead on its front protuberance 24-2-1 be 6), and the axis of each collision bead mounting hole 24-2-6 is positioned on same imaginary columniform circumferential lateral surface, and the axis of each 2 adjacent collision bead mounting hole 24-2-6 is all equal with respect to the angle of the central axis of lock aligning axle 24-2.Lock aligning axle 24-2 is arranged on negative thread 24-2-5 on the inwall of central lumen by it and screws on the outside thread 23-1-3 of the back segment of push rod 23-1.
See Figure 19, the quantity of first group of collision bead 24-1 and lock are transferred the quantity identical (the present embodiment has 6) of the collision bead mounting hole 24-2-6 of mandrel 24-2, each collision bead 24-1 forms by shell 24-1-1, Compress Spring and steel ball 24-1-2, Compress Spring is arranged in shell 24-1-1, and its rear end is weldingly fixed on the rear end of shell 24-1-1, steel ball 24-1-2 is welded on the front end of Compress Spring, and exposes forward the front end of shell 24-1-1.The collision bead mounting hole 24-2-6 transition fit of the external diameter of the shell 24-1-1 of first group of collision bead 24-1 and lock aligning axle 24-2, the shell 24-1-1 of each collision bead 24-1 stretches in the corresponding collision bead mounting hole 24-2-6 of lock aligning axle 24-2, and steel ball 24-1-2 exposes forward the front end face of the front protuberance 24-2-1 of lock aligning axle 24-2, and contacts with the blowout patche that is positioned at rear side of thrust ball bearing with flat seat 22-4.
See Figure 21 and Figure 19, lock transfers nut 24-3 totally cylindrical, lock transfers the leading portion position of the central lumen 24-3-1 of nut 24-3 to be provided with the non-self-locking thread as negative thread 24-3-2 that is positioned on its inwall, and the back segment that lock is transferred nut 24-3 is 6 according to the interval angle that equates along radial collision bead hole 24-3-3(the present embodiment that 3 to 6 circles are set).Lock transfers nut 24-3 to be enclosed within on lock aligning axle 24-2, and by on the outside thread of its negative thread 24-3-2 by the threaded portion 24-2-4 that screws before backward at lock aligning axle 24-2.
See Figure 22 and Figure 19, coupler 24-4 is the cylindrical shell 24-4-1 that the rear end is connected with annular arrangement barrier plate 24-4-2, and to transfer the identical collision bead hole 24-4-3(the present embodiment of the collision bead hole 24-3-3 of nut 24-3 according to the interval angle that equates along radial magnitude setting and lock be 6 in the position after partially at the middle part of described cylindrical shell 24-4-1), and the size and shape of each collision bead hole 24-4-3 is corresponding with the collision bead hole 24-3-3 of lock accent nut 24-3.The circumferential outside left of the back segment of the cylindrical shell 24-4-1 of coupler 24-4 be shaped as truncated cone-shaped, stage casing and the leading portion of the cylindrical shell 24-4-1 of coupler 24-4 are shaped as cylindrical shape.The central lumen 24-4-4 of coupler 24-4 is the cylindrical step hole.Coupler 24-4 is transferred on nut 24-3 at lock by backward protheca.
See Figure 19, the quantity of second group of collision bead 24-5 and lock are transferred the collision bead hole 24-3-3 identical (the present embodiment has 6) of nut 24-3, each collision bead 24-5 forms by shell 24-5-1, Compress Spring and steel ball 24-5-2, Compress Spring is arranged in shell 24-5-1, and it transfers the inner radially of nut 24-3 to be weldingly fixed on the inner of shell 24-5-1 along lock, steel ball 24-5-2 is welded on the outer end of Compress Spring, and to the outer end that exposes outside shell 24-5-1.The collision bead hole 24-4-3 of the external diameter of the shell 24-5-1 of second group of collision bead 24-5 and coupler 24-4 and lock are transferred the collision bead mounting hole 24-3-3 transition fit of nut 24-3, the shell 24-5-1 of each collision bead 24-5 stretches into successively from inside to outside lock and transfers in the corresponding collision bead hole 244-3 of the corresponding collision bead mounting hole 24-3-3 of nut 24-3 and coupler 24-4, thereby the shell 24-5-1 of each collision bead 24-5, lock transfer nut 24-3 and coupler 24-4 to be fixed together, and steel ball 24-5-2 is to the cylinder 24-4-1 that exposes outside coupler 24-4.
in alleviation process under the first mode of operation of brake cylinder 2, because the hydraulic oil of certain pressure is injected in hydraulic oil the first inner chamber 29-1, make release of brake piston 22-3 move backward, thereby driving dish spring abutment 25-1 overcomes the elastic force of belleville spring 25-2 and together moves backward, meanwhile, the application force that derives from pull back spring applies backward application force for push rod 23-1 always, in case dish spring abutment 25-1 moves backward, push rod 23-1 promotes lock accent mandrel 24-2 and follows together motion backward of dish spring abutment 25-1, and the round platform 24-2-2 of section of lock aligning axle 24-2 contacts with the front hole section 25-1-6 of dish spring abutment 25-1 always, and then lock transfers mandrel 24-2 to drive lock accent nut 24-3 together with second group of collision bead 24-5 and together motion backward of coupler 24-4, in case coupler 24-4 moves to when contacting with the conical surface of flare nut 27 backward, lock transfers nut 24-3 not transfer together motion backward of mandrel 24-2 in company with lock again.When lock transfers nut 24-3 just to begin to move backward, the round platform 24-2-2 of section that lock is transferred mandrel 24-2 can't be with respect to dish spring abutment 25-1 motion owing to contacting with dish spring abutment 25-1, can transfer nut 24-3 to rotate and the trend of motion backward with respect to lock but formed.Due to the matching relationship of push rod 23-1 and lock accent mandrel 24-2 self-locking thread each other, can not move backward this moment.Meanwhile, under the application force of hydraulic oil, unaffected the proceeding of motion backward of release of brake piston 22-3, thereby continue to drive together motion backward of dish spring abutment 25-1, lock transfers mandrel 24-2 in the situation that temporarily can not move backward, break away from and the contacting of dish spring abutment 25-1, release of brake piston 22-3 also drive simultaneously thrust ball bearing with flat seat 22-4 move backward and make the steel ball 24-1-2 of first group of collision bead 24-1 overcome collision bead 24-1 Compress Spring elastic force and be retracted into backward in the shell 24-1-1 of collision bead 24-1.Lock transfer mandrel 24-2 break away from the contacting of dish spring abutment 25-1 after, under the drive of thrust ball bearing with flat seat 22-4 transferring nut 24-3 to rotate with respect to lock when and transfer nut 24-3 to move backward with respect to lock, until till dish spring abutment 25-1 moves to position, its rear end and the front end face of the packing ring 25-3-2 of dished spring assembly 25 contacts.Transfer mandrel 24-2 to transfer nut 24-3 to rotate with respect to lock and backward in motion at lock, also rotate and motion backward with respect to push rod 23-1, and transfer the difference of pitch of internal and external threads of mandrel 24-2 also with together motion backward of push rod 23-1 because of lock, thereby lock transfer mandrel 24-2 also with respect to push rod 23-1 displacement one segment distance backward.If lock is transferred mandrel 24-2 pull back spring when beginning transfers nut 24-3 to rotate with respect to lock to stretch and put in place, moving after lock transfers nut 24-3 with respect to push rod 23-1 is exactly the compensation of stroke.
In braking procedure under the first mode of operation of brake cylinder 2, due to the pressure release of hydraulic efficiency pressure system, the elastic force of belleville spring 25-2 is discharged, and promotes respectively lock by dish spring abutment 25-1 and transfers mandrel 24-2 and release of brake piston 22-3 to travel forward.Lock is transferred mandrel 24-2 to drive respectively push rod 23-1 and lock accent nut 24-3 and is travelled forward.Lock transfers travelling forward of nut 24-3 together to travel forward with second group of collision bead 24-5 and coupler 24-4, when the aft end face of self-lubricating packing ring 26-7 of rear side upper as the annular arrangement barrier plate 24-4-2 that moves to coupler 24-4 and the axle sleeve 26-6 that is enclosed within hand adjustment Shaft assembly 26 and that be positioned at the annular barrier plate 26-6-1 of axle sleeve 26-6 contacts, coupler 24-4 can not move forward, and also makes lock transfer nut 24-3 not travel forward.Due at this moment under the promotion of belleville spring 25-2, dish spring abutment 25-1 continues to drive lock and transfers mandrel 24-2 to travel forward, make lock transfer nut 24-3 to rotate about it under the effect that moves forward of lock accent mandrel 24-2, until push rod 23-1 moves forward to front brake lining 68a and rear brake lining 68b clamp brake disc 7 till, and the Spring balanced of belleville spring 25-2 is in the elastic force of pull back spring and front brake lining 68a and the rear brake lining 68b gripping power sum to brake disc 7.So in alleviation process and braking procedure under the first mode of operation of brake cylinder 2, lock transfers assembly 24 to play the self-align key role of the brake clearance of brake cylinder 2.
In alleviation process under the second mode of operation of brake cylinder 2, hydraulic oil the second inner chamber 29-2 injection liquid force feed by brake cylinder 2, move backward and promote release of brake piston 22-3 by auxiliary braking piston 22-2, promote dish spring abutment 25-1 by release of brake piston 22-3 again and move backward, thereby final the realization alleviated accordingly.
See Fig. 8, spring assembly 25 mainly is comprised of dish spring abutment 25-1, belleville spring 25-2 and 3 packing ring 25-3.Dish spring abutment 25-1, belleville spring 25-2 and 3 packing ring 25-3 are the steel integral piece with corresponding central axial line.
See Figure 23, dish spring abutment 25-1 is the cast steel integral piece that is provided with central lumen.The front end position 25-1-7 of dish spring abutment 25-1 is shaped as the round platform hull shape.The circumferential outside left of dish spring abutment 25-1 is provided with the first limiting section 25-1-1, the second limiting section 25-1-2 and isolation part 25-1-3 successively according to order from front to back.The shape of the first limiting section 25-1-1 of dish spring abutment 25-1 is same as the circumferential outer shape of round platform, and the second limiting section 25-1-2 of dish spring abutment 25-1 totally is Circular Plate shape, and the shape of the isolation part 25-1-3 of dish spring abutment 25-1 is same as the periphery sidepiece shape of cylinder.The central lumen of dish spring abutment 25-1 is stepped cylindrical, the through hole shape that the front portion is truncated cone-shaped in rear portion, and this through hole is formed by the circumferential inside line of dish spring abutment 25-1.The circumferential inside line of dish spring abutment 25-1 is according to be provided with successively the front hole section 25-1-6 of first step 25-1-4, second step 25-1-5 and truncated cone-shaped from rear extremely front order.The internal diameter of described first step 25-1-4 is greater than the internal diameter of second step 25-1-5; The internal diameter of second step 25-1-5 is corresponding with the external diameter of coupler 24-4, and the sagittal middle part of the inner circumferential wall of second step 25-1-5 is provided with the inboard groove 25-1-8 of annular arrangement, and be provided with vertically the bow-shaped recess 25-1-9 of 6 linearities on the rear portion of the inner circumferential wall of second step 25-1-5, the axis of adjacent 2 bow-shaped recess 25-1-9 of these 6 bow-shaped recess 25-1-9 all equates with respect to the angle of the central axial line of dish spring abutment 25-1.The tapering of front hole section 25-1-6 is identical with the week tapering laterally of the round platform 24-2-2 of section of lock aligning axle 24-2, and the axial length of front hole section 25-1-6 is equal to the axial length sum of front protuberance 24-2-1 and the round platform 24-2-1 of section of lock aligning axle 24-2.
See Fig. 8 and Figure 23,3 packing ring 25-3 are followed successively by the first packing ring 25-3-1, the second packing ring 25-3-2 and the 3rd packing ring 25-3-3 according to order from front to back, and the first packing ring 25-3-1, the second packing ring 25-3-2 and the 3rd packing ring 25-3-3 coaxial line are stacked setting, and the aft end face of the 3rd packing ring 25-3-3 contacts with the front end face towards the place ahead of position, the rear end 21-1-12 of rear-bank rotor housing 21.
The front end face of the front end position 25-1-7 of dish spring abutment 25-1 contacts with the aft end face of inboard the 3rd step 22-3-6 of release of brake piston 22-3, and the front portion of the first limiting section 25-1-1 of the circumferential outside left of dish spring abutment 25-1 contacts with the step surface of the inboard second step 22-3-5 of release of brake piston 22-3.The front end face of the second limiting section 25-1-2 of the circumferential outside left of dish spring abutment 25-1 and the aft end face of release of brake piston 22-3 are also that the aft end face inner edge position of inboard first step 22-3-4 contacts; The inside line towards the place ahead at the front end position of the aft end face of the second limiting section 25-1-2 of the circumferential outside left of dish spring abutment 25-1 and belleville spring 25-2 contacts.Belleville spring 25-2 arranges around the isolation part 25-1-3 of dish spring abutment 25-1, and the contacting towards the front end face towards the place ahead of rearward outside left with the first packing ring 25-3-1 of the position, rear end of belleville spring 25-2.
The front hole section 25-1-6 of the circumferential inside line of dish spring abutment 25-1 is enclosed within on the circumferential lateral surface of the round platform 24-2-2 of section of lock aligning axle 24-2, both mutual bearing fits.The second step 25-1-5 of dish spring abutment 25-1 is enclosed within on the cylinder 24-4-1 of coupler 24-4, and both mutual bearing fits, and the mutual sealed sliding running-fit of seal ring in the inboard groove 25-1-8 of the second step 25-1-5 by being arranged on dish spring abutment 25-1 between the two.Each bow-shaped recess 25-1-9 at the rear portion of the second step 25-1-5 of dish spring abutment 25-1 contacts with the extending part of the corresponding steel ball 24-5-2 of second group of collision bead 24-5.
See that Fig. 8, Figure 24 to Figure 27 hand adjustment Shaft assembly 26 mainly is comprised of hand adjustment axle 26-1,2 straight pin 26-2, packing ring 26-3, bolt 26-4, guide holder 26-5, axle sleeve 26-6 and self-lubricating packing ring 26-7.
See Figure 24, hand adjustment axle 26-1 is substantially cylindrical step-like steel integral piece, according to consisting of from rear being connected successively with main shaft section 26-1-5 by position, rear end 26-1-1, the 26-1-2 of section that is tightly connected, stop part 26-1-3, connecting portion 26-1-4 successively to front order.Position, rear end 26-1-1 is hexagonal prism shape, the be tightly connected 26-1-2 of section, stop part 26-1-3, connecting portion 26-1-4 and main shaft section 26-1-5 is all substantially cylindrical, and the external diameter of described each cylindrical portion according to descending order be followed successively by stop part 26-1-3, the 26-1-2 of section that is tightly connected, connecting portion 26-1-4 and main shaft section 26-1-5.The leading portion of main shaft section 26-1-5 be arranged with opening towards week laterally and 2 pin grooves that connect the place ahead, the cross-sectional plane of pin groove is arc.The leading portion of main shaft section 26-1-5 also is provided with opening forward and connects the center screw in the place ahead along central axial line.
See Figure 25, Figure 24, Figure 11 and Fig. 8,2 straight pin 26-2 are in the corresponding pin groove of the main shaft section 26-1-5 that inserts from front to back hand adjustment axle 26-1 about cylindrical minute.After bolt 26-4 passes packing ring 26-3 from front to back, screw in the center screw of hand adjustment axle 26-1 and packing ring 26-3 is tightened on hand adjustment axle 26-1, and make packing ring 26-4 block 2 straight pin 26-2 from the place ahead, also make hand adjustment axle 26-1,2 straight pin 26-2, packing ring 26-3 and bolt 26-4 connect into an integrated member.Hand adjustment axle 26-1 is stretched into from front to back by its 26-1-2 of section that is tightly connected in inboard the 3rd step 21-1-7 of central mount pad 21-1-1 of rear-bank rotor housing 21-1, and be connected with rear-bank rotor housing 21-1 sealed rotational by 2 seal rings that are arranged in corresponding inboard groove 21-1-8, the stop part 26-1-3 of hand adjustment axle 26-1 is arranged in the inboard second step 21-1-6 of the central mount pad 21-1-1 of rear-bank rotor housing 21-1, and end face contacts with the end face towards the place ahead of described inboard the 3rd step 21-1-7 thereafter.
Hand adjustment axle 26-1 by its main shaft section 26-1-5 by in the rear chamber 23-1-4 that stretches into push rod 23-1 before backward, and each straight pin 26-2 stretches in the corresponding pin groove 23-1-5 of push rod 23-1, and bearing fit before and after the rear chamber 23-1-4 of hand adjustment axle 26-1 and push rod 23-1, bearing fit before and after the corresponding pin groove 23-1-5 of straight pin 26-2 and push rod 23-1, and straight pin 26-2 makes progress mutually spacing with push rod 23-1 in week.
See Figure 26, Figure 24 and Fig. 8, guide holder 26-5 is the steel integral piece, is comprised of to the body 26-5-1 that arranges and the annular arrangement plate 26-5-2 of the vertical setting of the coaxial line that is positioned at rear side along front and back the axis that is positioned at the front side.Guide holder 26-5 is enclosed within on 26-1 and the connecting portion 26-1-4 its free-running fit of hand adjustment axle by its body 26-5-1, and the aft end face of the annular arrangement plate 26-5-2 of guide holder 26-5 contacts with the front end face towards the place ahead of the stop part 26-1-3 of hand adjustment axle 26-1.
See Figure 27, axle sleeve 26-6 is the steel integral piece, is comprised of annular barrier plate 26-6-1, outer cylinder body 26-6-2, annular connecting plate 26-6-3 and center 26-6-4.Outer cylinder body 26-6-2 is substantially cylindrical, and its back segment is provided with outside thread 26-6-5.All the axis with outer cylinder body 26-6-2 is identical for the axis of annular barrier plate 26-6-1 annular connecting plate 26-6-3 and center 26-6-4, and this axis is also the central axis of axle sleeve 26-6.Center 26-6-4 and annular connecting plate 26-6-3 all are arranged in outer cylinder body 26-6-2, and the setting of annular connecting plate 26-6-3 vertical, are connected between center 26-6-4 and outer cylinder body 26-6-2.
Self-lubricating packing ring 26-7 is enclosed within on the outer cylinder body 26-6-2 of axle sleeve 26-6, and its front end face contacts with axle sleeve 26-6 annular barrier plate 26-6-1.
See Figure 27, Figure 11 and Fig. 8, before coupler 24-4 is enclosed within on lock accent nut 24-3, first passed the central lumen of coupler 24-4 by the outer cylinder body 26-6-2 of axle sleeve 26-6 after by forward direction and stretch out backward coupler 24-4 from the medium pore of the annular arrangement barrier plate 24-4-2 of coupler 24-4, and on the negative thread 21-1-4 of the inboard first step 21-1-5 of the central mount pad 21-1-1 that is screwed at the rear-bank rotor housing 21-1 that matches with it by the outside thread 26-6-5 of outer cylinder body 26-6-2, thereby make axle sleeve 26-6 be fixed on the central mount pad 21-1-1 of rear-bank rotor housing 21-1.The center 26-6-4 of axle sleeve 26-6 is enclosed within on the body 26-5-1 of guide holder 26-5, and the annular connecting plate 26-6-3 aft end face of axle sleeve 26-6 contacts with the front end face of the annular arrangement plate 26-5-2 of guide holder 26-5, thereby makes hand adjustment axle 26-1 limited in the axial direction and can not move vertically.The annular barrier plate 26-6-1 of axle sleeve 26-6 is arranged in the cylindrical shell 24-4-1 of coupler 24-4, and the front end face towards the place ahead of the annular arrangement barrier plate 24-4-2 of the aft end face of annular barrier plate 26-6-1 and coupler 24-4 is oppositely arranged.
See Figure 28 and Figure 29, flare nut 27 is for being the steel integral piece of tubular, and the shape of its circumferential outside left 27-1 is basic identical with the circumferential outer shape of cylinder, and is provided with the outside groove 27-2 for the annular arrangement that seal ring is installed.The week of flare nut 27 rear portion to the inside be shaped as step-like cylindrical, anterior be shaped as rear little front large truncated cone-shaped, thereby the circumferential inside line of flare nut 27 is provided with first step 27-3, second step 27-4 and truncated cone-shaped hole section 27-5 successively according to from back to front order.
see Figure 28, Figure 11 and Fig. 8, flare nut 27 is enclosed within by the first step 27-3 of its circumferential inside line on the outside second step 21-1-10 that matches with it of central mount pad 21-1-1 of rear-bank rotor housing 21-1, flare nut 27 is enclosed within by its second step 27-4 on the outside first step 21-1-9 friction tight with it of central mount pad 21-1-1 of rear-bank rotor housing 21-1, thereby flare nut 27 is fixedly connected on the central mount pad 21-1-1 of rear-bank rotor housing 21-1, and the week of its truncated cone-shaped hole section 27-5 and the back segment of the cylindrical shell 24-4-1 of coupler 24-4, truncated cone-shaped position laterally was relative.Flare nut 27 is also by the circumferential inside line first step 25-1-4 bearing fit of its circumferential outside left 27-1 and dish spring abutment 25-1, and makes flare nut 27 and dish spring abutment 25-1 sealing be dynamically connected by the seal ring in the outside groove 27-2 that is arranged on flare nut 27.
See Fig. 8, dust boot 28-1 is the rubber integral piece, and dust boot 28-1 is comprised of cover main body 28-1-1 and the installation ring 28-1-2 that is positioned at cover main body 28-1-1 rear side.Dust boot 28-1 is arranged on by its installation ring 28-1-2 in the annular arrangement mounting groove 22-1-7 of inboard second step 22-1-5 of oil cylinder cover 22-1, packing ring 28-2 is installed to be contacted with the front end face of the installation ring 28-1-2 of dust boot 28-1 by end face thereafter, the hole embeds in the inboard groove 22-1-8 of oil cylinder cover 22-1 with back-up ring 28-3, and contacted with the front end face that packing ring 28-2 is installed by end face thereafter, thereby packing ring 28-2 will be installed and dust boot 28-1 is fixed on oil cylinder cover 22-1.
See Fig. 4 and Fig. 9, grip module 6 is comprised of the left assembly 6a of clamp, the right assembly 6b of clamp, front brake lining 68a and rear brake lining 68b.Front brake lining 68a and the rear brake lining 68b of grip module 6 are tabular steel component, and also namely front brake lining 68a and rear brake lining 68b consist of with the brake shoe 68-2 that is weldingly fixed on the tabular wear-resistant material on brake lining body 68-1 by the tabular brake lining body 68-1 of left and right, edge to the vertical setting.The left end position of brake lining body 68-1 is provided with axis along front and back to arranging and substantially be arc connection breach 68-1-1, the right-hand member position of brake lining body 68-1 be provided with axis along front and back the connecting through hole 68-1-2 to the circle that arranges.The brake shoe 68-2 of front brake lining 68a is positioned at the rear side of the brake lining body 68-1 of front brake lining 68a.The brake shoe 68-2 of rear brake lining 68b is positioned at the front side of the brake lining body 68-1 of rear brake lining 68b.
The left assembly 6a of the clamp of grip module 6 comprises left brake pad pin 61a, left sleeve base 62a, left front spring perch 63a, left pull back spring 64a, left back spring perch 65a, anti-releasing and threaded pin.Lockingly be buckled with 2, the difference that 2 anti-releases according to residing front and back position is divided into left front anti-66a1 and the left back anti-66a2 that releases of releasing.Threaded pin has 2, and 2 threaded pins are divided into left front threaded pin 67a1 and left back threaded pin 67a2 according to the difference of residing front and back position.
The right assembly 6b of the clamp of grip module 6 comprises right brake pad pin 61b, right sleeve base 62b, right front spring perch 63b, right pull back spring 64b, right back spring perch 65b, anti-releasing and threaded pin.Lockingly be buckled with 2, the difference that 2 anti-releases according to residing front and back position is divided into right front anti-66b1 and the right back anti-66b2 that releases of releasing.Threaded pin has 2, and 2 threaded pins are divided into right front threaded pin 67b1 and right back threaded pin 67b2 according to the difference of residing front and back position.
Referring to Figure 30, left brake pad pin 61a and right brake pad pin 61b are steel integral piece cylindraceous.Left brake pad pin 61a and right brake pad pin 61b rear and front end separately are equipped with a pin-and-hole 61-1(Figure 30 who runs through shank along diameter and only draw rear pin-and-hole), and be equipped with the arcuate indentation 61-2 of a pair of symmetry on follower head.
Referring to Figure 31, left front spring perch 63a, right front spring perch 63b, left back spring perch 65a and right back spring perch 65b are the tabular steel integral piece of annulus, and the Circular Plate of left front spring perch 63a and right front spring perch 63b is the tabular Circular Plate, and the Circular Plate of left back spring perch 65a and right back spring perch 65b is the Circular Plate that its ring-type inside line 65-1 protrudes forward.
See Figure 31, Fig. 3 and Fig. 4, left pull back spring 64a and right pull back spring 64b are cylindrical helical compression spring.Left front spring perch 63a is welded and fixed together by the aft end face of its Circular Plate and the front end of left pull back spring 64a, left back spring perch 65a is welded and fixed together by the front end face of its ring-type outside left and the rear end of left pull back spring 64a, thereby the three consists of left pull back spring assembly.Right front spring perch 63b is welded and fixed together by the aft end face of its Circular Plate and the front end of right pull back spring 64b, rear spring seat 64-2b is welded and fixed together by the front end face of its ring-type outside left and the rear end of right pull back spring 64b, thereby the three consists of right pull back spring assembly.
See Figure 31, left sleeve base 62a and right sleeve base 62b are steel integral member cylindraceous, the shape of their circumferential outside left is stepped, be also that the external diameter of week leading portion 62-1 laterally of left sleeve base 62a and right sleeve base 62b is all greater than the external diameter of separately back segment 62-2, and the mutual free-running fit of internal diameter of the external diameter of the back segment 62-2 of left sleeve base 62a and left front spring perch 63a, the mutual free-running fit of internal diameter of the external diameter of the back segment 62-2 of right sleeve base 62b and right front spring perch 63b.
See Fig. 4, left brake pad pin 61a and right brake pad pin 61b are all along front and back to being horizontally disposed with.Front brake lining 68a is positioned at the place ahead of rear brake lining 68b.Front brake lining 68a be connected brake lining 68b by separately connection breach 68-1-1 from right to left semi-surrounding be arranged on left brake pad pin 61a, front brake lining 68a and rear brake lining 68b are enclosed within on right brake pad pin 61b by connecting through hole 68-1-2 separately.
Still see Fig. 4, the left front anti-66a1 that releases, the left back anti-66a2 that releases, right front anti-66b1 and the right back anti-66b2 that releases of releasing are tabular steel integral piece, their shape and size are all identical, all mainly being connected with positioning plate 66-2 by connecting panel 66-1 consists of, and positioning plate 66-2 is the bending state with connecting panel 66-1 and is connected.Each anti-connecting panel 66-1 that releases is provided be used to the connecting bore that passes threaded pin.
Still see Fig. 4, left sleeve base 62a is set on left brake pad pin 61a.Left pull back spring assembly is set on the back segment of left sleeve base 62a by its left front spring perch 63a, and bearing fit before and after both, and the aft end face of the leading portion of left sleeve base 62a contacts with the front end face of left front spring perch 63a; Left pull back spring assembly is set on left brake pad pin 61a by its left back spring perch 65a, and left sleeve base 62a and left pull back spring assembly are between front brake lining 68a and rear brake lining 68b.
Still see Fig. 4, right sleeve base 62b is set on right brake pad pin 61b.Right pull back spring assembly is set on the back segment of right sleeve base 62b by its right front spring perch 63b, and bearing fit before and after both, and the aft end face of the leading portion of right sleeve base 62b contacts with the front end face of right front spring perch 63b; Right pull back spring assembly is set on right brake pad pin 61b by its right back spring perch 65b, and right sleeve base 62b and right pull back spring assembly are between front brake lining 68a and rear brake lining 68b.
See Fig. 4 and Fig. 5, the front end of left brake pad pin 61a is arranged in the left front mounting hole 12-3-1 of left front seat 12-3 of lock pin installation portion 12 of clamp pedestal 1, the rear end of left brake pad pin 61a is arranged in the left back mounting hole 12-5-1 of back seat 12-5 of lock pin installation portion 12 of clamp pedestal 1, thereby the front end that makes left brake pad pin 61a is arranged on the front portion of left lock pin installation portion 12a of clamp pedestal 1, and makes the rear end of left brake pad pin 61a be arranged on the rear portion of left lock pin installation portion 12a of clamp pedestal 1.
see Fig. 4 to Fig. 6, pass successively from left to right the left front anti-66a1 that releases by left front threaded pin 67a1, the left front through hole 12-3-2 of left front seat 12-3, after the pin-and-hole of the front end of left brake pad pin 61a, screw in the left front blind hole 12-3-3 of left front seat 12-3, thereby front end and the left front anti-66a1 that releases of left brake pad pin 61a are fixed on left front 12-3 of clamp pedestal 1, and the aft end face of the positioning plate 66-2 of the left front anti-66a1 that releases contacts with the front end face of the left front seat 12-3 of clamp pedestal 1, make the left front anti-66a1 that releases to rotate, thereby prevent front end loosening of left brake pad pin 61a.pass successively from left to right the left back anti-66a2 that releases by left back threaded pin 67a2, the left back through hole 12-5-3 of back seat 12-5, after the pin-and-hole 61-1 of the rear end of left brake pad pin 61a, screw in the left back blind hole 12-5-5 of back seat 12-5, thereby the rear end of left brake pad pin 61a and the left back anti-66a2 that releases are fixed on the left part of back seat 12-5 of clamp pedestal 1, and the aft end face at the left end position of the front end face of the positioning plate 66-2 of the left back anti-66a2 that releases and the back seat 12-5 of clamp pedestal 1 contacts, make the left back anti-66a2 that releases to rotate, thereby prevent rear end loosening of left brake pad pin 61a.
See Fig. 4 and Fig. 5, the front end of right brake pad pin 61b is arranged in the right front mounting hole 12-4-1 of right front seat 12-4 of lock pin installation portion 12 of clamp pedestal 1, the rear end of right brake pad pin 61b is arranged in the right back mounting hole 12-5-2 of back seat 12-5 of lock pin installation portion 12 of clamp pedestal 1, thereby the front end that makes right brake pad pin 61b is arranged on the front portion of right lock pin installation portion 12b of clamp pedestal 1, and makes the rear end of right brake pad pin 61b be arranged on the rear portion of right lock pin installation portion 12b of clamp pedestal 1.
see Fig. 4 to Fig. 6, pass successively from right to left the right front anti-66b1 that releases by right front threaded pin 67b1, the right front through hole 12-4-2 of right front seat 12-4, after the pin-and-hole of the front end of right brake pad pin 61b, screw in the right front blind hole of right front seat 12-4, thereby front end and the right front anti-66b1 that releases of right brake pad pin 61b are fixed on right front 12-4 of clamp pedestal 1, and the aft end face of the positioning plate 66-2 of the right front anti-66b1 that releases contacts with the front end face of the right front seat 12-4 of clamp pedestal 1, make the right front anti-66b1 that releases to rotate, thereby prevent front end loosening of right brake pad pin 61b.pass successively from right to left the right back anti-66b2 that releases by right back threaded pin 67b2, the right back through hole 12-5-4 of back seat 12-5, after the pin-and-hole 61-1 of the rear end of right brake pad pin 61b, screw in the right back blind hole of back seat 12-5, thereby the rear end of right brake pad pin 61b and the right back anti-66b2 that releases are fixed on the right part of back seat 12-5 of clamp pedestal 1, and the aft end face at the right-hand member position of the front end face of the positioning plate 66-2 of the right back anti-66b2 that releases and the back seat 12-5 of clamp pedestal 1 contacts, make the right back anti-66b2 that releases to rotate, thereby prevent rear end loosening of right brake pad pin 61b.
see Figure 10, when current brake lining 68a and rear brake lining 68b to a certain degree need to change because may wear to, unclamp and take off right front threaded pin 67b1 and right back threaded pin 67b2, take off simultaneously right front anti-66b1 and the right back anti-66b2 that releases of releasing, take out right brake pad pin 61b from right front seat 12-4 and the back seat 12-5 of clamp pedestal 1, then turn right down and pull out front brake lining 68a and the rear brake lining 68b that is positioned at the both sides, front and back, in the mode of semi-surrounding block the front end position of left brake pad pin 61a on by the arcuate indentation 61-2 of its left end new front brake lining 68a, and between the front end face of the aft end face of the left front seat 12-3 of clamp pedestal 1 and left sleeve base 62a, again new rear brake lining 68b is blocked on the position, rear end of left brake pad pin 61a in the mode of semi-surrounding by the arcuate indentation 61-2 of its left end, and between the aft end face of the front end face of the back seat 12-5 of clamp pedestal 1 and left back spring perch 65a, then right brake pad pin 61b is passed from front to back successively the right front mounting hole 12-4-1 of the right front seat 12-4 of clamp pedestal 1, the right front spring perch 63b of right sleeve base 62b(is enclosed within on right sleeve base 62b), right pull back spring 64b, after the right back mounting hole 12-5-2 of the back seat 12-5 of right back spring perch 65b and clamp pedestal 1, by right front threaded pin 67b1 and the right front anti-66b1 that releases, the front end of right brake pad pin 61b is fixed on the right front seat 12-4 of clamp pedestal 1, and by right back threaded pin 67b2 and the right back anti-66b2 that releases, the rear end of right brake pad pin 61b is fixed on the right part of back seat 12-5 of clamp pedestal 1, thereby completed the replacing of front brake lining 68a and rear brake lining 68b.
When the hydraulic braking gripping mechanism of the present embodiment uses, be fixed on the bogie truck of locomotive by corresponding fixed connecting piece by its clamp pedestal 1, and the top of circular brake disc 7 that makes guideway vehicle is between the front brake lining 68a and rear brake lining 68b of the hydraulic clamp device of the present embodiment.
the principle of work of the hydraulic clamp device of the present embodiment is: when in aforesaid brake cylinder 2 not during the injection liquid force feed, under the elastic force effect of the belleville spring 25-2 of brake cylinder 2, the elastic force of belleville spring 25-2 is passed to the push rod 23-1 of push-rod assembly 23 successively by dish spring abutment 25-1 and lock aligning axle 24-2, and make the pressure disc 23-4 of push-rod assembly 23 eject forward, promote again the platen 31 of leverage component 3 by pressure disc 23-4, and the upper-end part of driving that is driven lever 32 by platen 31 rotates around lever pin 4, and the lower end part that makes lever 32 by forward direction after brake lining 68a before extruding, and then make front brake lining 68a move backward and contact with the front end face of brake disc 7, lever 32 is rotated further and makes brake disc 7 continue motion backward under the drive of front brake lining 68a and contact with rear brake lining 68b, and make brake disc 7 be clamped between front brake lining 68a and rear brake lining 68b, thereby reach the train braking function.When hydraulic oil the first inner chamber 29-1 to brake cylinder 2 passes into the hydraulic oil of certain pressure, release of brake piston 22-3 moves backward, driving successively dish spring abutment 25-1, lock aligning axle 24-2 and push rod 23-1 moves backward, meanwhile, under the effect of left pull back spring 64a and right pull back spring 64b elastic force, front brake lining 68a is pushed open forward, thereby has unclamped front brake lining 68a and rear brake lining 68b to the clamping of brake disc 7, no longer produce braking force, namely train is alleviated.
The hydraulic clamp device of the present embodiment has following three kinds of mode of operations:
The first mode of operation: normal hydraulic braking and alleviation under automatically controlled:
Be formed for passing into the hydraulic oil first inner chamber 29-1 of hydraulic oil between casing component 21, auxiliary braking piston 22-2 and release of brake piston 22-3, and casing component 21 is provided with the first import and export of hydraulic oil.In the mode of operation of electric control braking and alleviation, the hydraulic braking control unit HCU that is provided with by guideway vehicle controls hydraulic oil the first inner chamber 29-1 that hydraulic oil passes in and out aforesaid brake cylinder 2.When the high pressure liquid force feed enters hydraulic oil the first inner chamber 29-1 by first of casing component 21, compressing release of brake piston 22-3 moves backward, and the motion backward of release of brake piston 22-3 drives simultaneously dish spring abutment 25-1 and thrust ball bearing with flat seat 22-4 moves backward.Belleville spring 25-2 is compressed in the motion backward of dish spring abutment 25-1, and the motion backward of thrust ball bearing with flat seat 22-4 and then promotes lock and transfers mandrel 24-2 to move backward when the steel ball with first group of collision bead 24-1 promotes backward.Lock is transferred the motion backward of mandrel 24-2 to drive that push rod 23-1 moves backward and in the casing component 21 of retraction brake cylinder 2, has been realized the alleviation of whole device.During corresponding blowdown valve on opening hydraulic oil pipeline, under the back stretch effect of belleville spring 25-2, promoting the dish proal while of spring abutment 25-1, make on the one hand hydraulic oil import and export from first and withdraw from hydraulic oil the first inner chamber 29-1, make on the other hand dish spring abutment 25-1 transfer the round platform 24-2-2 of section of mandrel 24-2 to promote lock by the round table surface of the front hole section 25-1-6 of its truncated cone-shaped by the lock that matches with it and transfer mandrel 24-2, and then drive push rod 23-1 and eject the casing component 21 of brake cylinder 2, thereby realized braking.
The second mode of operation: the braking under the manual emergency fluid control and alleviation (being also that urgent hydraulic pressure is alleviated):
Be formed for passing into the hydraulic oil second inner chamber 29-2 of hydraulic oil between casing component 21, auxiliary braking piston 22-2 and oil cylinder cover 22-1, and casing component 21 is provided with the second import and export of hydraulic oil.When hydraulic braking control unit HCU goes wrong hydraulic oil normally during liquid in-out force feed the first inner chamber 29-1, by manual pump, the high pressure liquid force feed is imported and exported in injection liquid force feed the second inner chamber 29-2 by second of casing component 21, move backward and promote release of brake piston 22-3 by auxiliary braking piston 22-2, it is also together motion backward of auxiliary braking piston 22-2 and release of brake piston 22-3, the motion backward of release of brake piston 22-3 makes ensuing action identical with the alleviation under automatically controlled mode of operation, has also namely realized the alleviation to braking.This mode of operation is used for the rescue under failure condition.
The third mode of operation: the alleviation under armstrong's patent is controlled (also namely machinery is alleviated):
When push rod 23-1 can not normally retract the casing component 21 of brake cylinder 2 when interior, position, the rear end 26-1-1 that rotates hand adjustment axle 26-1 by the wrench device of special use rotates hand adjustment axle 26-1, and then drive 2 straight pin 26-2 corresponding sports, the motion of 2 straight pin 26-2 drives push rod 23-1 and moves backward when rotating with respect to lock aligning axle 24-2, and the front end position of push rod 23-1 is screwed in brake cylinder 2 casing components 21, thereby reach mitigation capability by mechanical means.This mode of operation both can be used for the rescue under failure condition, the adjustment when the initial adjustment in the gap of the brake shoe 68-2 when also can be used for changing brake lining and brake shoe 68-2 may wear to a certain degree.Clockwise rotate hand adjustment axle 26-1 and make push rod 23-1 eject forward brake cylinder 2 casing components 21, rotate counterclockwise hand adjustment axle 26-1 and make push rod 23-1 be retracted into backward brake cylinder 2 casing components 21.
When current brake lining 68a and rear brake lining 68b brake brake disc 7 clampings simultaneously, all can produce wearing and tearing to a certain degree, and make push rod 23-1 move forward again corresponding distance to the position in original front and back, thereby just need push rod 23-1 adjustment travel to reach the function of compensation brake lining wearing and tearing.The hydraulic braking gripping mechanism of the present embodiment also has the brake clearance automatic regulating function in the first mode of operation, specifically describe as follows:
hydraulic braking control unit HCU regular event, hydraulic oil enters in hydraulic oil the first inner chamber 29-1, promoted simultaneously dish spring abutment 25-1 and promote lock by thrust ball bearing with flat seat 22-4 to transfer mandrel 24-2 to move backward by release of brake piston 22-3, transfer the round platform 24-2-2 of section of mandrel 24-2 can't rotate with the round table surface applying of the front hole section 25-1-6 of the truncated cone-shaped of dish spring abutment 25-1 because of lock, lock transfers nut 24-3 to be fixed together by shell 24-5-1 and the coupler 24-4 of second group of collision bead 24-5, the outside left that stretches out coupler 24-4 of the steel ball of second group of collision bead 24-5 moves in the semicolumn groove of dish spring abutment 25-1, when Gu Zha transfers nut 24-3 to be subjected to lock to transfer the application force that mandrel 24-2 moves backward, transfer together motion backward of mandrel 24-2 with lock, and drive together motion backward of coupler 24-4 by the shell 24-5-1 of second group of collision bead 24-5, when coupler 24-4 moves to when contacting with the conical surface of flare nut 27 backward, flare nut 27 withstands successively lock by coupler 24-4 and transfers nut 24-3 and lock accent mandrel 24-2, and dish spring abutment 25-1 still was braked and alleviated piston 22-3 and promote backward this moment, the round table surface of the front hole section 25-1-6 of the round platform 24-2-2 of section of Gu Zha accent mandrel 24-2 and the truncated cone-shaped of dish spring abutment 25-1 is thrown off mutually, the steel ball 24-1-2 of first group of collision bead 24-1 is pressed in its shell 24-1-1 backward, this moment, thrust ball bearing with flat seat 22-4 made lock transfer mandrel 24-2 transferring nut 24-3 rotation with respect to lock in motion backward by first group of collision bead 24-1, thereby when transferring nut 24-3 to rotate with respect to lock and moving backward, also with together motion backward of push rod 23-1, and rotate around push rod 23-1, move backward with respect to push rod 23-1 in rotation, just because of this existence of moving, realized the compensation of stroke.When hydraulic oil is pushed out the hydraulic oil first inner chamber 29-1 of brake cylinder 2, belleville spring 25-2 promotes dish spring abutment 25-1 and transfers mandrel 24-2 to match with lock, and then transfer mandrel 24-2 to drive lock by lock and transfer nut 24-3 and coupler 24-4 together to travel forward, until the annular arrangement barrier plate 24-4-2 of coupler 24-4 and the axle sleeve 26-6 that is enclosed within hand adjustment Shaft assembly 26 are upper and the aft end face of self-lubricating packing ring 26-7 of rear side that be positioned at the annular barrier plate 26-6-1 of axle sleeve 26-6 contacts, thereby make coupler 24-4 not move forward.Due at this moment under the promotion of belleville spring 25-2, dish spring abutment 25-1 continues to drive lock and transfers mandrel 24-2 to travel forward, lock transfers nut 24-3 captive joint and can not move vertically again with coupler 24-4, Gu Zha transfers moving forward of mandrel 24-2 to make lock transfer nut 24-3 to rotate about it, until push rod 23-1 moves forward to front brake lining 68a and rear brake lining 68b clamp brake disc 7 till, and the Spring balanced of belleville spring 25-2 is in the elastic force of pull back spring and front brake lining 68a and the rear brake lining 68b gripping power sum to brake disc 7.The lock of this moment transfers mandrel 24-2 to transfer location restore that the front and back of nut 24-3 the make progress position before alleviate, lock to transfer mandrel 24-2 to move backward with respect to the position that the front and back of push rod 23-1 make progress with respect to lock, thereby has realized the automatic adjustment of brake clearance.
(embodiment 2)
See Figure 30 and Figure 31, all the other positions of the present embodiment are identical with embodiment 1, and difference is: left brake pad pin 61a and right brake pad pin 61b all only have a pin-and-hole 61-1 who is positioned at the rear end.Corresponding with the brake lining pin of this structure, in the present embodiment, threaded pin only has left back threaded pin 67a2 and right back threaded pin 67b2, and without left front threaded pin 67a1 and right front threaded pin 67b1; Anti-releasing only has left back anti-66a2 and the right back anti-66b2 that releases of releasing, and without left front anti-66a1 and the right front anti-66b1 that releases of releasing.The present embodiment is taked the brake lining pin of this structure, makes the replacing of brake lining convenient.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and variation and obtain the corresponding technical scheme that is equal to, so all technical schemes that are equal to all should be included into scope of patent protection of the present invention.
Claims (7)
1. a hydraulic braking gripping mechanism, comprise brake cylinder (2); It is characterized in that: also comprise clamp pedestal (1), leverage component (3), lever pin (4) and grip module (6); Grip module (6) mainly is comprised of the left assembly of clamp (6a), the right assembly of clamp (6b), front brake lining (68a) and rear brake lining (68b);
Clamp pedestal (1) is the steel integral piece, has brake cylinder installation portion (11), lock pin installation portion (12), lever pin left end installation portion (13) and lever pin right-hand member installation portion (14); Lock pin installation portion (12) comprises left lock pin installation portion (12a) and right lock pin installation portion (12b); Left lock pin installation portion (12a) is positioned at the lower left of brake cylinder installation portion (11), right lock pin installation portion (12b) is positioned at the lower right of brake cylinder installation portion (11), lever pin left end installation portion (13) is positioned at the front left of brake cylinder installation portion (11), and lever pin right-hand member installation portion (14) is positioned at the front right-hand of brake cylinder installation portion (11);
During brake cylinder (2) comprises casing component (21) and all is arranged on casing component (21) and equal piston component (22), push-rod assembly (23) and the dished spring assemblies (25) identical with the spindle axis of casing component (21) of axis; Brake cylinder (2) is fixedly connected on the brake cylinder installation portion (11) of clamp pedestal (1) by its casing component (21); Piston component (22) comprises auxiliary braking spare and release of brake piston (22-3); Brake cylinder is provided with hydraulic oil the first inner chamber (29-1), and this hydraulic oil first inner chamber (29-1) is formed by the space that surrounds between casing component (21), auxiliary braking spare and release of brake piston (22-3), and casing component (21) is provided with hydraulic oil the first import and export that are connected with hydraulic oil inner chamber (29-1); When hydraulic oil the first inner chamber (29-1) injection liquid force feed of brake cylinder (2), release of brake piston (22-3) makes the belleville spring (25-2) of dished spring assembly (25) be in the state that tightens up of compression, makes simultaneously push-rod assembly (23) be positioned at the position of retracting backward; When the hydraulic oil pressure release in hydraulic oil first inner chamber (29-1) of brake cylinder (2), belleville spring (25-2) is in the relaxation state of compression, makes push-rod assembly (23) be positioned at the position of stretching out forward;
Front brake lining (68a) and the rear brake lining (68b) of grip module (6) are tabular component, and all at left end position separately, opening connection left are set and lack (68-1-1), at right-hand member position separately, sagittal connecting through hole (68-1-2) are set; Front brake lining (68a) and rear brake lining (68b) are all along the left and right to the vertical setting;
The left assembly of clamp (6a) of grip module (6) comprises left brake pad pin (61a), left sleeve base (62a), left pull back spring member and threaded pin; Left pull back spring member is made of the left front spring perch (63a), left pull back spring (64a) and the left back spring perch (65a) that are connected successively according to the past order successively; Front brake lining (68a) be connected before and after brake lining (68b) minute by separately connection breach (68-1-1) from right to left semi-surrounding be arranged on left brake pad pin (61a), and overlap successively according to from front to back order being positioned on position between front brake lining (68a) and rear brake lining (68b) of left brake pad pin (61a) left sleeve base (62a) is arranged, left front spring perch (63a), left pull back spring (64a) and left back spring perch (65a), and the leading portion of left pull back spring (64a) and left front spring perch (63a) are enclosed within on left sleeve base (62a); The front end of left brake pad pin (61a) is arranged on the front portion of left lock pin installation portion (12a) of clamp pedestal (1), the rear end of left brake pad pin (61a) is arranged on the rear portion of left lock pin installation portion (12a) of clamp pedestal (1), and is fixed on the left lock pin installation portion (12a) of clamp pedestal (1) by the one or both ends of corresponding threaded pin with the front and back end of left brake pad pin (61a);
The right assembly of clamp (6b) of grip module (6) comprises right brake pad pin (61b), right sleeve base (62b), right pull back spring member and threaded pin; Right pull back spring member is made of the right front spring perch (63b), right pull back spring (64b) and the right back spring perch (65b) that are connected successively according to the past order successively; Front brake lining (68a) and rear brake lining (68b) minute front and back are enclosed within on right brake pad pin (61b) by connecting through hole (68-1-2) separately, and overlap successively according to from front to back order being positioned on position between front brake lining (68a) and rear brake lining (68b) of right brake pad pin (61b) right sleeve base (62b) is arranged, right front spring perch (63b), right pull back spring (64b) and right back spring perch (65b), and the leading portion of right pull back spring (64b) and right front spring perch (63b) are enclosed within on right sleeve base (62b); The front end of right brake pad pin (61b) is arranged on the front portion of right lock pin installation portion (12b) of clamp pedestal (1), the rear end of right brake pad pin (61b) is arranged on the rear portion of right lock pin installation portion (12b) of clamp pedestal (1), and is fixed on the right lock pin installation portion (12b) of clamp pedestal (1) by the one or both ends of corresponding threaded pin with the front and back end of right brake pad pin (61b);
Leverage component (3) is fixed together with lever pin (4); Leverage component (3) is along the upward and downward setting, and the axis of lever pin (4) is along the left and right to setting; The left end of lever pin (4) stretches in the lever pin left end installation portion (13) of clamp pedestal (1), and is rotationally connected with lever pin left end installation portion (13); The right-hand member of lever pin (4) stretches in the lever pin right-hand member installation portion (14) of clamp pedestal (1), and is rotationally connected with lever pin right-hand member installation portion (14); Leverage component (3) is contacted by push-rod assembly (23) the front end position of the rear side on its top and brake cylinder (2), and leverage component (3) is contacted with the middle part of the leading flank of the front brake lining (68a) of grip module (6) by the rear side of its underpart.
2. hydraulic braking gripping mechanism according to claim 1, it is characterized in that: the brake cylinder installation portion (11) of described clamp pedestal (1) comprises substrate (11-1) and adapter plate (11-2); Substrate (11-1) is horizontally disposed with; The setting of adapter plate (11-2) vertical, and its plate body is provided with the sagittal through hole as the medium pore (11-3) of brake cylinder installation portion (11); Also be provided with corresponding sagittal installation screw (11-4) on the plate body of adapter plate (11-2); Adapter plate (11-2) is connected to from the top on the front portion of upside of substrate (11-1);
Lock pin installation portion (12) comprises left Connection Block (12-1), right Connection Block (12-2), left front seat (12-3), right front seat (12-4) and back seat (12-5); Left Connection Block (12-1) is connected to from left on the left side of substrate (11-1) of brake cylinder installation portion (11); Right Connection Block (12-2) is from the right side of the right-hand substrate (11-1) that is connected to brake cylinder installation portion (11); Left front seat (12-3) is connected to from the below on the front portion of downside of left Connection Block (12-1), and right front seat (13-4) is connected to from the below on the front portion of downside of right Connection Block (12-2); Back seat (12-3) is connected to from the below on the rear portion of downside of substrate (11-1), and its left end position is connected to from the below on the rear portion of downside of left Connection Block (12-1), and its right-hand member position is connected to from the below on the rear portion of downside of right Connection Block (12-2); Thereby the left end position of left front seat (12-3) and back seat (12-3) consists of the left lock pin installation portion (12a) of lock pin installation portion (12) jointly, and the right-hand member position of right front (134) and back seat (12-3) consists of the right lock pin installation portion (12b) of lock pin installation portion (12) jointly;
Left front seat (12-3) is provided with left front mounting hole (12-3-1), left front through hole (12-3-2) and left front blind hole (12-3-3); The axis of left front mounting hole (12-3-1) is along front and back to setting; The axis of left front through hole (12-3-2) and left front blind hole (12-3-3) is identical and along the left and right to setting, and the axis of left front through hole (12-3-2) is also along the radially setting of left front mounting hole (12-3-1), and left front blind hole (12-3-3) is provided with negative thread; Right front seat (12-4) is provided with right front mounting hole (12-4-1), right front through hole (12-4-2) and right front blind hole; The axis of right front mounting hole (12-4-1) is along front and back to setting; The axis of right front through hole (12-4-2) and right front blind hole is identical and along the left and right to setting, and the axis of right front through hole (12-4-2) is also along the radially setting of right front mounting hole (12-4-1), and right front blind hole is provided with negative thread; The left end position of back seat (12-5) is provided with left back mounting hole (12-5-1), the right-hand member position of back seat (12-5) is provided with right back mounting hole (12-5-2), and left front mounting hole (12-3-1) coaxial line of left back mounting hole (12-5-1) and left front seat (12-3), right front mounting hole (12-4-1) coaxial line of right back mounting hole (12-5-2) and right front seat (12-4); The left end position of back seat (12-5) also is provided with left back through hole (12-5-3) and left back blind hole (12-5-5); The axis of left back through hole (12-5-3) and left back blind hole (12-5-5) is identical and along the left and right to setting, and the axis of left back through hole (12-5-3) is along the radially setting of left back mounting hole (12-5-1), and left back blind hole (12-5-5) is provided with negative thread; The right-hand member position of back seat (12-5) also is provided with right back through hole (12-5-4) and right back blind hole; The axis of right back through hole (12-5-4) and right back blind hole is identical and along the left and right to setting, and the axis of right back through hole (12-5-4) is along the radially setting of right back mounting hole (12-5-2), and right back blind hole is provided with negative thread;
The rear and front end of the left brake pad pin (61a) of the left assembly of clamp (6a) and the right brake pad pin (61b) of the right assembly of clamp (6b) respectively is provided with a pin-and-hole (61-1);
After left front threaded pin (67a1) passes the pin-and-hole of front end of left front through hole (12-3-2), left brake pad pin (61a) of left front seat (12-3) from left to right successively, screw in the left front blind hole (12-3-3) of left front seat (12-3), thereby the front end of left brake pad pin (61a) is fixed on left front seat (12-3); After left back threaded pin (67a2) passes the pin-and-hole (61-1) of rear end of left back through hole (12-5-3), left brake pad pin (61a) of back seat (12-5) from left to right successively, screw in the left back blind hole (12-5-5) of back seat (12-5), thereby the rear end of left brake pad pin (61a) is fixed on the left part of back seat (12-5) of clamp pedestal (1), also namely makes left brake pad pin (61a) be fixed on the left lock pin installation portion (12a) of clamp pedestal (1);
After right front threaded pin (67b1) passes the pin-and-hole of front end of right front through hole (124-2), right brake pad pin (61b) of right front seat (12-4) from right to left successively, screw in the right front blind hole of right front seat (12-4), thereby the front end of right brake pad pin (61b) is fixed on the right front seat (12-4) of clamp pedestal 1; After right back threaded pin (67b2) passes the pin-and-hole (61-1) of rear end of right back through hole (12-5-4), right brake pad pin (61b) of back seat (12-5) from right to left successively, screw in the right back blind hole of back seat (12-5), thereby the rear end of right brake pad pin (61b) is fixed on the right part of back seat (12-5) of clamp pedestal (1), also namely makes right brake pad pin (61b) be fixed on the right lock pin installation portion (12b) of clamp pedestal.
3. hydraulic braking gripping mechanism according to claim 1, it is characterized in that: the brake cylinder installation portion (11) of described clamp pedestal (1) comprises substrate (11-1) and adapter plate (11-2); Substrate (11-1) is horizontally disposed with; The setting of adapter plate (11-2) vertical, and its plate body is provided with the sagittal through hole as the medium pore (11-3) of brake cylinder installation portion (11); Also be provided with corresponding sagittal installation screw (11-4) on the plate body of adapter plate (11-2); Adapter plate (11-2) is connected to from the top on the front portion of upside of substrate (11-1);
Lock pin installation portion (12) comprises left Connection Block (12-1), right Connection Block (12-2), left front seat (12-3), right front seat (12-4) and back seat (12-5); Left Connection Block (12-1) is connected to from left on the left side of substrate (11-1) of brake cylinder installation portion (11); Right Connection Block (12-2) is from the right side of the right-hand substrate (11-1) that is connected to brake cylinder installation portion (11); Left front seat (12-3) is connected to from the below on the front portion of downside of left Connection Block (12-1), and right front seat (13-4) is connected to from the below on the front portion of downside of right Connection Block (12-2); Back seat (12-3) is connected to from the below on the rear portion of downside of substrate (11-1), and its left end position is connected to from the below on the rear portion of downside of left Connection Block (12-1), and its right-hand member position is connected to from the below on the rear portion of downside of right Connection Block (12-2); Thereby the left end position of left front seat (12-3) and back seat (12-3) consists of the left lock pin installation portion (12a) of lock pin installation portion (12) jointly, and the right-hand member position of right front (13-4) and back seat (12-3) consists of the right lock pin installation portion (12b) of lock pin installation portion (12) jointly;
Left front seat (12-3) is provided with left front mounting hole (12-3-1); The axis of left front mounting hole (12-3-1) is along front and back to setting; Right front seat (12-4) is provided with right front mounting hole (12-4-1); The axis of right front mounting hole (12-4-1) is along front and back to setting; The left end position of back seat (12-5) is provided with left back mounting hole (12-5-1), the right-hand member position of back seat (12-5) is provided with right back mounting hole (12-5-2), and left front mounting hole (12-3-1) coaxial line of left back mounting hole (12-5-1) and left front seat (12-3), right front mounting hole (12-4-1) coaxial line of right back mounting hole (12-5-2) and right front seat (12-4); The left end position of back seat (12-5) also is provided with left back through hole (12-5-3) and left back blind hole (12-5-5); The axis of left back through hole (12-5-3) and left back blind hole (12-5-5) is identical and along the left and right to setting, and the axis of left back through hole (12-5-3) is along the radially setting of left back mounting hole (12-5-1), and left back blind hole (12-5-5) is provided with negative thread; The right-hand member position of back seat (12-5) also is provided with right back through hole (12-5-4) and right back blind hole; The axis of right back through hole (12-5-4) and right back blind hole is identical and along the left and right to setting, and the axis of right back through hole (12-5-4) is along the radially setting of right back mounting hole (12-5-2), and right back blind hole is provided with negative thread;
The rear end of the left brake pad pin (61a) of the left assembly of clamp (6a) and the right brake pad pin (61b) of the right assembly of clamp (6b) respectively is provided with a pin-and-hole (61-1);
After left back threaded pin (67a2) passes the pin-and-hole (61-1) of rear end of left back through hole (12-5-3), left brake pad pin (61a) of back seat (12-5) from left to right successively, screw in the left back blind hole (12-5-5) of back seat (12-5), thereby the rear end of left brake pad pin (61a) is fixed on the left part of back seat (12-5) of clamp pedestal (1), also namely makes left brake pad pin (61a) be fixed on the left lock pin installation portion (12a) of clamp pedestal (1);
After right back threaded pin (67b2) passes the pin-and-hole (61-1) of rear end of right back through hole (12-5-4), right brake pad pin (61b) of back seat (12-5) from right to left successively, screw in the right back blind hole of back seat (12-5), thereby the rear end of right brake pad pin (61b) is fixed on the right part of back seat (12-5) of clamp pedestal (1), also namely makes right brake pad pin (61b) be fixed on the right lock pin installation portion (12b) of clamp pedestal.
4. hydraulic braking gripping mechanism according to claim 2 is characterized in that: the left assembly of clamp (6a) of described grip module (6) also comprises and left frontly anti-ly releases (66a1) and left backly prevent releasing (66a2); The right assembly of clamp (6b) also comprises right front anti-releasing (66b1) and right back anti-release (66b2); Each anti-releasing is tabular steel integral piece; Each anti-shape and size that releases is all identical, and formation all mainly is connected with positioning plate (66-2) by connecting panel (66-1); Positioning plate (66-2) is the bending state with connecting panel (66-1) and is connected; Connecting panel (66-1) is provided be used to the connecting bore that passes threaded pin;
Left front anti-release (66a1) is arranged between the left front seat (12-3) of left front threaded pin (67a1) and clamp pedestal (1), and left front anti-release (66a1) is pressed abd fixed on left front seat (12-3) by left front threaded pin (67a1), and the aft end face of the positioning plate (66-2) of left front anti-release (66a1) contacts with the front end face of left front seat (12-3); Left back anti-release (66a2) is arranged between the left end position of back seat (12-5) of left back threaded pin (67a2) and clamp pedestal (1), and on the left end position of the back seat (12-5) that left back anti-release (66a2) is pressed abd fixed on by left back threaded pin (67a2), and the aft end face at the left end position of the front end face of the positioning plate (66-2) of left back anti-release (66a2) and back seat (12-5) contacts; Right front anti-release (66b1) is arranged between the right front seat (12-4) of right front threaded pin (67b1) and clamp pedestal (1), and right front anti-release (66b1) is pressed abd fixed on right front seat (12-4) by right front threaded pin (67b1), and the aft end face of the positioning plate (66-2) of right front anti-release (66b1) contacts with the front end face of right front seat (12-4); Right back anti-release (66b2) is arranged between the right-hand member position of back seat (12-5) of right back threaded pin (67b2) and clamp pedestal (1), and on the right-hand member position of the back seat (12-5) that right back anti-release (66b2) is pressed abd fixed on by right back threaded pin (67b2), and the aft end face at the right-hand member position of the front end face of the positioning plate (66-2) of right back anti-release (66b2) and back seat (12-5) contacts.
5. hydraulic braking gripping mechanism according to claim 3 is characterized in that: the left assembly of clamp (6a) of described grip module (6) also comprises left back anti-release (66a2); The right assembly of clamp (6b) also comprises right back anti-release (66b2); Each anti-releasing is tabular steel integral piece; Each anti-shape and size that releases is all identical, and formation all mainly is connected with positioning plate (66-2) by connecting panel (66-1); Positioning plate (66-2) is the bending state with connecting panel (66-1) and is connected; Connecting panel (66-1) is provided be used to the connecting bore that passes threaded pin;
Left back anti-release (66a2) is arranged between the left end position of back seat (12-5) of left back threaded pin (67a2) and clamp pedestal (1), and on the left end position of the back seat (12-5) that left back anti-release (66a2) is pressed abd fixed on by left back threaded pin (67a2), and the aft end face at the left end position of the front end face of the positioning plate (66-2) of left back anti-release (66a2) and back seat (12-5) contacts; Right back anti-release (66b2) is arranged between the right-hand member position of back seat (12-5) of right back threaded pin (67b2) and clamp pedestal (1), and on the right-hand member position of the back seat (12-5) that right back anti-release (66b2) is pressed abd fixed on by right back threaded pin (67b2), and the aft end face at the right-hand member position of the front end face of the positioning plate (66-2) of right back anti-release (66b2) and back seat (12-5) contacts.
One of according to claim 2 to 5 described hydraulic braking gripping mechanism, it is characterized in that: lever pin left end installation portion (13) comprises left side board (13-1) and left mount pad (13-2); Left side board (13-1) is connected to from left by its rear end, right side on the left side of adapter plate (11-2) of brake cylinder installation portion (11), and is connected with the front portion, right side of the left Connection Block (12-1) of lock pin installation portion (12) by its rear end, left side; Left mount pad (13-2) be provided with as the left and right of lever pin left end mounting hole (13-3) to through hole; Left mount pad (13-2) is connected to from the below by the upside of the front portion at its left end position on the downside of front portion of left side board (13-1), and by the left side at the rear portion at its left end position from the right side at the right-hand rear portion that is connected to left side board (13-1);
Lever pin right-hand member installation portion (14) comprises right side board (14-1) and right mount pad (14-2); Right side board (14-1), and is connected with the front portion, left side of the right Connection Block (12-2) of lock pin installation portion (12) by its rear end, right side from the right side of the right-hand adapter plate (11-2) that is connected to brake cylinder installation portion (11) by its rear end, left side; Right mount pad (14-2) be provided with as the left and right of lever pin right-hand member mounting hole (14-3) to through hole, and this lever pin right-hand member mounting hole (14-3) and lever pin left end mounting hole (13-3) coaxial line; Right mount pad (14-2) is connected to from the below by the upside of the front portion at its right-hand member position on the downside of front portion of right side board (14-1), and is connected to from left by the right side at the rear portion at its right-hand member position on the left side at rear portion of right side board (14-1).
7. hydraulic braking gripping mechanism according to claim 6, is characterized in that: also comprise left cover (51) and right cover plate (52); Described left cover (51) is fixed on the left side of left mount pad (13-2) from left, and covers lever pin left end mounting hole (13-3) from left; Right cover plate (52) is from the right-hand right side that is fixed on right mount pad (14-2), and from the right-hand lever pin right-hand member mounting hole (14-3) that covers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034768.6A CN103112472B (en) | 2013-01-29 | 2013-01-29 | Hydraulic pressure braking clamp device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034768.6A CN103112472B (en) | 2013-01-29 | 2013-01-29 | Hydraulic pressure braking clamp device |
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| CN103112472A true CN103112472A (en) | 2013-05-22 |
| CN103112472B CN103112472B (en) | 2015-06-10 |
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| CN201310034768.6A Active CN103112472B (en) | 2013-01-29 | 2013-01-29 | Hydraulic pressure braking clamp device |
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| CN105156517A (en) * | 2015-08-07 | 2015-12-16 | 青岛四方车辆研究所有限公司 | Integrated driven type hydraulic braking clamp |
| CN105134829B (en) * | 2015-08-07 | 2017-06-30 | 中车青岛四方车辆研究所有限公司 | Hydraulic brake lever device |
| CN105292172B (en) * | 2015-11-05 | 2017-08-18 | 常州中车铁马科技实业有限公司 | The leverage of track traffic brake clamp |
| CN108463645B (en) * | 2015-11-05 | 2019-09-03 | 中车戚墅堰机车车辆工艺研究所有限公司 | Lever mechanism and brake clamp device including it |
| CN105292172A (en) * | 2015-11-05 | 2016-02-03 | 常州南车铁马科技实业有限公司 | Lever mechanism of rail transit braking clamp |
| CN108463645A (en) * | 2015-11-05 | 2018-08-28 | 中车戚墅堰机车车辆工艺研究所有限公司 | Lever mechanism and brake clamp device including it |
| WO2017076339A1 (en) * | 2015-11-05 | 2017-05-11 | 中车戚墅堰机车车辆工艺研究所有限公司 | Lever mechanism and brake clamp device comprising same |
| CN105370774A (en) * | 2015-11-30 | 2016-03-02 | 常州南车铁马科技实业有限公司 | Braking clamp for rail vehicle |
| CN108302143A (en) * | 2018-01-04 | 2018-07-20 | 北京北摩高科摩擦材料股份有限公司 | A kind of train brake clamp device |
| CN108515981A (en) * | 2018-04-13 | 2018-09-11 | 中车青岛四方机车车辆股份有限公司 | A kind of wheel for gauge-changeable wheelsets fills brake apparatus |
| CN108515981B (en) * | 2018-04-13 | 2019-08-23 | 中车青岛四方机车车辆股份有限公司 | A kind of wheel dress brake apparatus for gauge-changeable wheelsets |
| CN110658913A (en) * | 2018-06-29 | 2020-01-07 | 深圳市掌网科技股份有限公司 | Pressure unit and force feedback data glove based on electromagnetic effect |
| CN110658913B (en) * | 2018-06-29 | 2023-04-18 | 深圳市掌网科技股份有限公司 | Pressure unit and force feedback data glove based on electromagnetic effect |
| CN109682686A (en) * | 2019-01-31 | 2019-04-26 | 中国工程物理研究院机械制造工艺研究所 | A kind of disk spring tension and compression testing device |
| CN109682686B (en) * | 2019-01-31 | 2023-09-19 | 中国工程物理研究院机械制造工艺研究所 | Belleville spring tension and compression test device |
| CN111412876A (en) * | 2020-04-03 | 2020-07-14 | 卢丽菊 | Intelligence house measuring tool |
| CN111412876B (en) * | 2020-04-03 | 2021-11-12 | 深圳市国佳网络科技有限公司 | Intelligence house measuring tool |
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| CN103112472B (en) | 2015-06-10 |
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