CN103693069B - Tread brake device - Google Patents
Tread brake device Download PDFInfo
- Publication number
- CN103693069B CN103693069B CN201310745609.7A CN201310745609A CN103693069B CN 103693069 B CN103693069 B CN 103693069B CN 201310745609 A CN201310745609 A CN 201310745609A CN 103693069 B CN103693069 B CN 103693069B
- Authority
- CN
- China
- Prior art keywords
- brake
- piston
- cylinder body
- head
- suspension rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 239000000725 suspension Substances 0.000 claims abstract description 42
- 230000020347 spindle assembly Effects 0.000 claims abstract description 12
- 210000004907 gland Anatomy 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 12
- 235000014676 Phragmites communis Nutrition 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of tread brake device, comprise cylinder body, spindle assemblies, force amplificatory structure, thrust ring and brake shoe swing mechanism, brake shoe swing mechanism comprises adjusting head, suspension rod, brake head, brake shoe and damper assembly; Suspension rod is rotatably connected on cylinder body, and adjusting head and brake head are rotatably connected on suspension rod, and brake shoe and damper assembly are arranged on brake head; Brake head comprises left plate and right plate; Adjusting head is set on leading screw, and is connected with clearance adjustment mechanism; Adjusting head is provided with baffle plate, and baffle plate is between left plate and right plate; Left plate and right plate all offer screwed hole with the corresponding position of baffle plate; Damper assembly comprises and screws the gland in screwed hole, be located at the compact disc spring in gland inner chamber and be clamped in the brake pad between compact disc spring and baffle plate. Tread brake device brake shoe of the present invention can better be adjacent to wheel tread, and can avoid the parts inordinate wear causing because of vibratory impulse.
Description
Technical field
The present invention relates to a kind of brake rigging, especially a kind of tread brake device of rail traffic vehicles.
Background technology
The common form of brake rigging of rail traffic vehicles has: compress tread to obtain the tread brake device of brake force and to clamp brake disc to obtain the disc brake of brake force by brake lining by brake shoe. Applying and alleviating of tread brake device braking utilizes compressed air to realize conventionally: in the time being filled with compressed air, apply braking; In the time discharging compressed air, alleviate braking. Tread brake device is generally made up of cylinder body, spindle assemblies, force amplificatory structure, clearance adjustment mechanism, thrust ring and brake shoe swing mechanism etc. Piston in cylinder body by cam driven main shaft, promotes brake head and advances under the promotion of Compressed Gas, makes brake shoe hold wheel tread tightly, thereby produces frictional force, realizes braking.
The brake shoe swing mechanism of tread brake device is the parts that directly act on wheel, and the stability of its structure and reliability are directly connected to the effect of braking. At present, existing brake shoe swing mechanism structure is comparatively simple, and parts wear is serious, and motion credibility is poor, particularly, in the situation that braking environment is more severe, cannot meet utilization requirement.
Germany Patent document DE4117632A1 discloses a kind of rolling stock brake unit and has comprised brake shoe swing mechanism, checking cylinder, force amplificatory structure, clearance adjustment mechanism. The tread brake device two of this structure is widely used on rail traffic vehicles during the last ten years, and it is stable, and reliability is high, but while still existing part parts to be subjected to displacement each other motion, unbalance stress, easy to wear, the shortcoming that maintenance maintenance cost is high. As shown in FIG. 9 and 10, slide block 42 ' in the tread brake device of the technical scheme based on Germany Patent document DE4117632A1 is directly in the upper slip of cylinder body 1 ', cylinder 41-1 ' on thrust ring 41 ' is connected in the circular groove 42-1 ' of slide block 42 ', so slide block is easy to wear, can affect the stable of device operation. In addition, the leg 31-2 ' of piston is directly hinged with cam 33 ', cam 33 ' rotation, and when pushing rolling wheels 41-2 ', now piston 31 ' can deflect forward, and the deflection of piston 31 ' is extrusion piston sealing ring 35 ', the wearing and tearing of accelerating piston sealing ring 35 '; The efficiency of mechanical transfer will be reduced simultaneously.
Summary of the invention
The object of this invention is to provide a kind of brake shoe and can better be adjacent to wheel tread, and can avoid the tread brake device of the parts inordinate wear causing because of vibratory impulse.
The technical scheme that realizes the object of the invention is a kind of tread brake device, comprise cylinder body, spindle assemblies, force amplificatory structure, thrust ring and brake shoe swing mechanism, described spindle assemblies, force amplificatory structure and thrust ring are located in cylinder body, described spindle assemblies comprises leading screw and clearance adjustment mechanism, described clearance adjustment mechanism is set on leading screw, described thrust ring is set on clearance adjustment mechanism, described force amplificatory structure acts on described thrust ring, and described brake shoe swing mechanism comprises adjusting head, suspension rod, brake head, brake shoe and damper assembly; Described suspension rod is rotatably connected on described cylinder body, and described adjusting head and brake head are rotatably connected on described suspension rod, and described brake shoe and damper assembly are arranged on described brake head; Described brake head comprises left plate and right plate; Described adjusting head is set on described leading screw, and is connected with described clearance adjustment mechanism; Described adjusting head is provided with baffle plate, and described baffle plate is between left plate and right plate; Described left plate and right plate all offer screwed hole with the corresponding position of described baffle plate; Described damper assembly comprises and screws the gland in described screwed hole, is located at the compact disc spring in described gland inner chamber and is clamped in the brake pad between described compact disc spring and described baffle plate.
Above-mentioned brake shoe swing mechanism also comprises the first rotating assembly and the second rotating assembly, and described suspension rod is rotatably connected on described cylinder body by the first rotating assembly, and described adjusting head and brake head are rotatably connected on described suspension rod by the second rotating assembly.
Above-mentioned cylinder body is provided with arm, and described arm is provided with two holders; The both sides of described suspension rod one end are provided with two suspension ring, and the both sides of the described suspension rod other end are provided with two retainer rings; Described the first rotating assembly comprises the first bolt, the first pad, the first nut and torsion spring, suspension ring, holder, torsion spring, holder, suspension ring, the first pad and the first nut described in described the first screw bolt passes, and be connected with the first nut thread; The bipod of described torsion spring offsets with described arm and described suspension rod respectively; Described suspension rod is rotatably connected on described arm by the first rotating assembly.
Above-mentioned the second rotating assembly comprises the second bolt, the second pad, reed, the second nut, the first axle sleeve, two the second axle sleeves and two the 3rd axle sleeves; Described two retainer rings are provided with centre bore, a relative side of described retainer ring is provided with tapered slope along the edge of its centre bore, described the 3rd axle sleeve is provided with the taper stopper section matching with the shape of described tapered slope, described the 3rd axle sleeve is positioned at the centre bore of described retainer ring, and described taper stopper section is positioned at described tapered slope; Described left plate is provided with the through hole corresponding with the central hole location of retainer ring with right plate, described the second axle sleeve is positioned at the through hole of left plate and right plate, described the first axle sleeve is through described adjusting head, two the second axle sleeves are set in the two ends of described the first axle sleeve, described second screw bolt passes the second pad, the 3rd axle sleeve, the first axle sleeve, the 3rd axle sleeve, reed and the second nut, and be connected with the second nut thread; Described brake head and described adjusting head are rotatably connected on described suspension rod by the second rotating assembly.
Above-mentioned force amplificatory structure is cam mechanism, comprises piston and two cams; In described cylinder body, be provided with plunger shaft, described piston elasticity is arranged in described plunger shaft, described piston comprises piston only and extended two legs of a side from piston only, the center of rotation of described cam is rotatably connected on described cylinder body, the edge of described cam is provided with ejection cambered surface, and described ejection cambered surface and described thrust ring offset; Described cam is provided with waist manhole, described each leg is connected in described waist manhole by being arranged with the pin rolling of rolling bearing away from one end of piston only, in the time that described piston promotes described cam rotation, described piston moves along the axis of plunger shaft all the time.
Above-mentioned clearance adjustment mechanism is provided with cylinder, and described thrust ring is provided with the arc groove matching with described cylinder, and described cylinder is positioned at arc groove.
Above-mentioned tread brake device also comprises slide, and described slide is provided with gathering sill, and slide is fixed on described inboard wall of cylinder block; Fixed leg is extended in the both sides of described thrust ring; On described fixed leg, be arranged with the second needle bearing that is positioned at the first needle bearing of inner side and is positioned at outside; Described the first needle bearing and described ejection cambered surface offset, and described the second needle bearing is positioned at described gathering sill, and in the time that described cam promotes described thrust ring and advances or retreat, described fixed leg moves along described gathering sill.
Above-mentioned two legs are symmetrical arranged and perpendicular to described piston only, described leg is made up of with the connecting portion that is connected described two connecting plate portions and described piston only two connecting plate portions that are parallel to each other, and described cam is between two connecting plate portions of corresponding leg; Described bearing pin is successively through one of them connecting plate portion, oval shape groove and another connecting plate portion.
Above-mentioned force amplificatory structure also comprises back-moving spring, mount pad, piston packing and steady pin assembly; Described piston packing is set in the edge of described piston only; Described mount pad is fixed in described cylinder body, and one end of described back-moving spring and described piston offset, and the other end and described mount pad offset; The center of rotation of described cam is provided with pin-and-hole, and described steady pin assembly passes described cylinder body and pin-and-hole, thereby cam is rotatably connected on described cylinder body.
Above-mentioned tread brake device also comprises the parking brake mechanism that is provided with hand relieving assembly and spring energy-storage assembly, and described parking brake mechanism is arranged on cylinder body.
The present invention has positive effect:
(1) the brake head swing mechanism of tread brake device of the present invention, apply appropriate power to adjusting head by dish spring, brake pad, thereby while ensureing Vehicular vibration, brake head can not rock swing with vibration, and in the time of braking, under enough brake shoe positive pressure, brake head can swing, so that brake shoe can better be adjacent to wheel tread.
(2) the first runner assembly and the second turning discreteness of the brake head swing mechanism of tread brake device of the present invention, reasonable in design, can effectively ensure the reliability that adjusting head, suspension rod, brake head rotate, make slow-roll stabilization, alleviate the wearing and tearing of parts.
(3) tread brake device cam of the present invention is provided with waist manhole, leg is connected in waist manhole by being arranged with the pin rolling of rolling bearing away from one end of piston only, in the time that piston actuating cam rotates, piston and cam tie point change, avoided the deflection of piston, and rolling bearing makes the motion between parts more smooth. Because piston is all the time along the axial-movement of plunger shaft, reduce the cross force of sealing ring, so mechanical transfer efficiency improves; Meanwhile, also alleviate the wearing and tearing of sealing ring, greatly improved the service life of sealing ring.
(4) cylinder of thrust ring is positioned at the arc groove of clearance adjustment mechanism, in braking procedure, cylinder is subject to the ejection of arc groove, if brake shoe swings, can make clearance adjustment mechanism swing with respect to thrust ring, avoid the rigid impact wearing and tearing of parts.
(5) in prior art, thrust ring directly slides on cylinder body by slide block, part is easy to wear, tread brake device of the present invention has changed slide block into slide, on slide, offer gathering sill, the stressed member of thrust ring is positioned at gathering sill, and stressed member contacts with gathering sill by sheathed needle bearing, effectively reduce friction, ensureing, under the prerequisite of stable and reliable operation, to have extended to a great extent the life-span of parts, also improved mechanical efficiency simultaneously.
Brief description of the drawings
Fig. 1 is the perspective view of the tread brake device of embodiment 2;
Fig. 2 is the perspective view of the tread brake device of embodiment 1;
Fig. 3 is that the tread brake device in Fig. 2 removes the internal structure schematic diagram after cylinder body, brake shoe swing mechanism;
Fig. 4 is the partial sectional view of the cylinder body of tread brake device while observing from the top of Fig. 2;
Fig. 5 is the perspective view of the cam in Fig. 3;
Fig. 6 is the perspective view of the slide block in Fig. 3;
Fig. 7 is piston in Fig. 3 structural representation when actuating cam rotates;
Structural representation when Fig. 8 is the piston actuating cam rotation in Fig. 3;
Fig. 9 is the partial sectional view of the cylinder body of tread brake device of the prior art;
Structural representation when Figure 10 is piston actuating cam rotation of the prior art;
Figure 11 is the perspective exploded view of the brake shoe swing mechanism in Fig. 1;
Figure 12 is the profile of the A-A in Fig. 4.
The mark of above-mentioned accompanying drawing is as follows:
Cylinder body 1, arm 11, holder 11-1,
Spindle assemblies 2, leading screw 21, clearance adjustment mechanism 22, cylinder 22-1,
Force amplificatory structure 3, piston 31, piston only 31-1, leg 31-2, the 31-2-1 of connecting plate portion, connecting portion 31-2-2, back-moving spring 32, cam 33, ejection cambered surface 33-1, pin-and-hole 33-2, waist manhole 33-3, mount pad 34, piston packing 35, bearing pin 36, steady pin assembly 37, rolling bearing 38
Thrust ring 41, fixed leg 41-1, the first needle bearing 41-2, the second needle bearing 41-3, arc groove 41-4, slide 42, gathering sill 42-1,
Brake shoe swing mechanism 5, adjusting head 51, baffle plate 51-1, suspension rod 52, suspension ring 52-1, retainer ring 52-2, tapered slope 52-2-1, brake head 53, screwed hole 53-3, left plate 53-1, right plate 53-2, brake shoe 54, the first rotating assembly 55, the first bolt 55-1, the first pad 55-2, the first nut 55-3, torsion spring 55-4, damper assembly 56, gland 56-1, compact disc spring 56-2, brake pad 56-3, the second rotating assembly 57, the second bolt 57-1, the second pad 57-2, reed 57-3, the second nut 57-4, the first axle sleeve 57-5, the second axle sleeve 57-6, the 3rd axle sleeve 57-7.
Detailed description of the invention
(embodiment 1)
See Fig. 2 and Fig. 3, the tread brake device of the present embodiment, comprises cylinder body 1, spindle assemblies 2, force amplificatory structure 3, thrust ring 41 and brake shoe swing mechanism 5. Spindle assemblies 2, force amplificatory structure 3 and thrust ring 41 are located in cylinder body 1. Spindle assemblies 2 comprises leading screw 21 and clearance adjustment mechanism 22. Clearance adjustment mechanism 22 is set on leading screw 21. Thrust ring 41 is set on clearance adjustment mechanism 22.
See Fig. 3 to Fig. 8, force amplificatory structure 3 is cam mechanisms, comprises piston 31 and two cams 33. Piston 31 elasticity are arranged in plunger shaft, and piston 31 comprises piston only 31-1 and extended two the leg 31-2 of a side from piston only 31-1. The center of rotation of cam 33 is rotatably connected on cylinder body 1, and the edge of cam 33 is provided with ejection cambered surface 33-1. Ejection cambered surface 33-1 and thrust ring 41 offset. Cam 33 is provided with waist manhole 33-3, and each leg 31-2 is connected in waist manhole 33-3 by bearing pin 36 rollings that are arranged with rolling bearing 38 away from one end of piston only 31-1. In the time that piston 31 actuating cams 33 rotate, piston 31 moves along the axis of plunger shaft all the time.
See Fig. 3, clearance adjustment mechanism 22 is provided with cylinder 22-1, and thrust ring 41 is provided with the arc groove 41-4 matching with cylinder 22-1, and described cylinder 22-1 is positioned at arc groove 41-4.
See Fig. 3, Fig. 4 and Fig. 6, this tread brake device also comprises slide 42, and slide 42 is provided with gathering sill 42-1. Slide 42 is fixed on cylinder body 1 inwall. Fixed leg 41-1 is extended in the both sides of thrust ring 41, is arranged with the second needle bearing 41-3 that is positioned at the first needle bearing 41-2 of inner side and is positioned at outside on fixed leg 41-1. The first needle bearing 41-2 and ejection cambered surface 33-1 offset, and the second needle bearing 41-3 is positioned at gathering sill 42-1. In the time that cam 33 promotes thrust ring 41 and advances or retreat, fixed leg 41-1 moves along gathering sill 42-1.
See Fig. 3 and Fig. 4, two leg 31-2 are symmetrical arranged and perpendicular to piston only 31-1. Leg 31-2 is made up of with the connecting portion 31-2-2 that is connected two 31-2-1 of connecting plate portion and piston only 31-1 two 31-2-1 of connecting plate portion that are parallel to each other. Cam 33 is between two 31-2-1 of connecting plate portion of corresponding leg 31-2. Bearing pin 36 is successively through one of them 31-2-1 of connecting plate portion, oval shape groove 33-3 and the 31-2-1 of another connecting plate portion.
See Fig. 3, force amplificatory structure 3 also comprises back-moving spring 32, mount pad 34, piston packing 35 and steady pin assembly 37. Piston packing 35 is set in the edge of piston only 31-1. Mount pad 34 is fixed in cylinder body 1. One end of back-moving spring 32 and piston 31 offset, and the other end and mount pad 34 offset. The center of rotation of cam 33 is provided with pin-and-hole 33-2, and steady pin assembly 37 passes cylinder body 1 and pin-and-hole 33-2, thereby cam 33 is rotatably connected on cylinder body 1.
The clearance adjustment mechanism 22 of this tread brake device is the clearance adjustment mechanism described in Germany Patent document DE4117632A1.
See Figure 12 and Figure 13, brake shoe swing mechanism 5 comprises adjusting head 51, suspension rod 52, brake head 53, brake shoe 54, the first rotating assembly 55, damper assembly 56 and the second rotating assembly 57. Brake shoe 54 and damper assembly 56 are arranged on described brake head 53. Brake head 53 comprises left plate 53-1 and right plate 53-2. Adjusting head 51 is set on leading screw 21, and is connected with clearance adjustment mechanism 22, and the bottom of adjusting head 51 is extended baffle plate 51-1 downwards, and baffle plate 51-1 is between left plate 53-1 and right plate 53-2. The top front end of cylinder body 1 is provided with the arm 11 extending obliquely, and the top of suspension rod 52 is rotatably connected on arm 11 by the first rotating assembly 55. Brake head 53 and adjusting head 51 are rotatably connected on the bottom of suspension rod 52 by the second rotating assembly 57. Left plate 53-1 and right plate 53-2 all offer screwed hole 53-3 with the corresponding position of baffle plate 51-1. Damper assembly 56 comprises the brake pad 56-3 that screws the 56-1 of the gland in screwed hole 53-3, is located at the compact disc spring 56-2 in gland 56-1 inner chamber and is clamped in compact disc spring 56-2 between baffle plate 51-1.
The top of arm 11 is provided with two holder 11-1 that extend forward. The both sides, top of suspension rod 52 are respectively equipped with two suspension ring 52-1, and the two bottom sides of suspension rod 52 is respectively equipped with two retainer ring 52-2.
The first rotating assembly 55 comprises the first bolt 55-1, the first pad 55-2, the first nut 55-3 and torsion spring 55-4, the first bolt 55-1 passes suspension ring 52-1, holder 11-1, torsion spring 55-4, holder 11-1, suspension ring 52-1, the first pad 55-2 and the first nut 55-3 successively, and is threaded with the first nut 55-3. Between suspension ring 52-1, holder 11-1 and torsion spring 55-4 and the first bolt 55-1, be equipped with lining. The bipod of torsion spring 55-4 offsets with arm 11 and suspension rod 52 respectively.
The second rotating assembly 57 comprises the second bolt 57-1, the second pad 57-2, reed 57-3 and the second nut 57-4, and the second bolt 57-1 passes axis hole 51-2, left plate 53-1, retainer ring 52-2, reed 57-3, the second nut 57-4, the first axle sleeve 57-5, two the second axle sleeve 57-6 and two the 3rd axle sleeve 57-7 of retainer ring 52-2, the second pad 57-2, right plate 53-2, adjusting head 51 successively. Two retainer ring 52-2 are provided with centre bore, a relative side of retainer ring 52-2 is provided with tapered slope 52-2-1 along the edge of its centre bore, the 3rd axle sleeve 57-7 is provided with the taper stopper section matching with the shape of tapered slope 52-2-1, the 3rd axle sleeve 57-7 is positioned at the centre bore of retainer ring 52-2, and taper stopper section is positioned at tapered slope 52-2-1. Left plate 53-1 is provided with the through hole corresponding with the central hole location of retainer ring 52-2 with right plate 53-2, the second axle sleeve 57-6 is positioned at the through hole of left plate 53-1 and right plate 53-2, the first axle sleeve 57-5 is through the axis hole 51-2 of adjusting head 51, two the second axle sleeve 57-6 are set in the two ends of the first axle sleeve 57-5, the second bolt 57-1 passes the second pad 57-2, the 3rd axle sleeve 57-7, the first axle sleeve 57-5, the 3rd axle sleeve 57-7, reed 57-3 and the second nut 57-4 successively, and is threaded with the second nut 57-4.
The tread brake device of the present embodiment, while starting to brake, compressed air enters in the plunger shaft of cylinder body 1, and the effect that promotion piston 31 overcomes back-moving spring power 32 moves downward, thus band moving cam 33 rotates around pin-and-hole 33-2. Cam 33 rotates and promotes the first needle bearing 41-2 rotation, and forward, thrust ring 41 promotes gap and adjusts body 22 thrust ring 41, and gap is adjusted body 22 and promoted leading screw 21 forward. Leading screw 21 promotes adjusting head 51, thereby the frictional force that can overcome when brake head 53 travels forward between brake pad 56-3 and baffle plate 51-1 swings, and realizes braking thereby make brake shoe 54 be close to wheel tread. In braking procedure,, in order to ensure the rectilinear motion of thrust ring 41, cover has the fixed leg 41-1 of the second needle bearing 41-3 to slide in the gathering sill 42-1 of slide 42. It is the ejections that are subject to arc groove 41-4 due to cylinder 22-1 that thrust ring 41 promotes gap adjustment body 22, and when brake shoe 54 swings, cylinder 22-1 can swing in arc groove 41-4, thereby clearance adjustment mechanism 22 is swung with respect to thrust ring 41.
(embodiment 2)
The tread brake device of the present embodiment, remainder is identical with embodiment 1, difference is: this tread brake device also comprises the parking brake mechanism 6 that is provided with hand relieving assembly and spring energy-storage assembly, and this parking brake mechanism 6 is the parking brake mechanisms described in Germany Patent document DE4117632A1.
Tread brake device of the present invention is not limited to the various embodiments described above. Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also giving exhaustive to all embodiments. And these belong to apparent variation that spirit of the present invention extended out or variation still among protection scope of the present invention.
Claims (10)
1. a tread brake device, comprise cylinder body (1), spindle assemblies (2), force amplificatory structure (3), thrust ring (41) and brake shoe swing mechanism (5), described spindle assemblies (2), force amplificatory structure (3) and thrust ring (41) are located in cylinder body (1), described spindle assemblies (2) comprises leading screw (21) and clearance adjustment mechanism (22), described clearance adjustment mechanism (22) is set on leading screw (21), described thrust ring (41) is set on clearance adjustment mechanism (22), described force amplificatory structure (3) acts on described thrust ring (41), it is characterized in that: described brake shoe swing mechanism (5) comprises adjusting head (51), suspension rod (52), brake head (53), brake shoe (54) and damper assembly (56), it is upper that described suspension rod (52) is rotatably connected on described cylinder body (1), and it is upper that described adjusting head (51) and brake head (53) are rotatably connected on described suspension rod (52), and described brake shoe (54) and damper assembly (56) are arranged on described brake head (53), described brake head (53) comprises left plate (53-1) and right plate (53-2), it is upper that described adjusting head (51) is set in described leading screw (21), and be connected with described clearance adjustment mechanism (22), described adjusting head (51) is provided with baffle plate (51-1), and described baffle plate (51-1) is positioned between left plate (53-1) and right plate (53-2), described left plate (53-1) and right plate (53-2) all offer screwed hole (53-3) with the corresponding position of described baffle plate (51-1), described damper assembly (56) comprises the brake pad (56-3) that screws the gland in described screwed hole (53-3) (56-1), is located at the compact disc spring (56-2) in described gland (56-1) inner chamber and is clamped in described compact disc spring (56-2) between described baffle plate (51-1).
2. according to tread brake device claimed in claim 1, it is characterized in that: described brake shoe swing mechanism (5) also comprises the first rotating assembly (55) and the second rotating assembly (57), it is upper that described suspension rod (52) is rotatably connected on described cylinder body (1) by the first rotating assembly (55), and described adjusting head (51) and brake head (53) are rotatably connected on described suspension rod (52) by the second rotating assembly (57).
3. according to tread brake device claimed in claim 2, it is characterized in that: described cylinder body (1) is provided with arm (11), described arm (11) is provided with two holders (11-1); The both sides of described suspension rod (52) one end are provided with two suspension ring (52-1); Described the first rotating assembly (55) comprises the first bolt (55-1), the first pad (55-2), the first nut (55-3) and torsion spring (55-4), described the first bolt (55-1) passes described suspension ring (52-1), holder (11-1), torsion spring (55-4), holder (11-1), suspension ring (52-1), the first pad (55-2) and the first nut (55-3) successively, and is threaded with the first nut (55-3); The bipod of described torsion spring (55-4) offsets with described arm (11) and described suspension rod (52) respectively; Described suspension rod (52) is rotatably connected on described arm (11) by the first rotating assembly (55).
4. according to tread brake device claimed in claim 2, it is characterized in that: described the second rotating assembly (57) comprises the second bolt (57-1), the second pad (57-2), reed (57-3), the second nut (57-4), the first axle sleeve (57-5), two the second axle sleeves (57-6) and two the 3rd axle sleeves (57-7), the both sides of described suspension rod (52) other end are provided with two retainer rings (52-2), described two retainer rings (52-2) are provided with centre bore, a relative side of described retainer ring (52-2) is provided with tapered slope (52-2-1) along the edge of its centre bore, described the 3rd axle sleeve (57-7) is provided with the taper stopper section matching with the shape of described tapered slope (52-2-1), described the 3rd axle sleeve (57-7) is positioned at the centre bore of described retainer ring (52-2), and described taper stopper section is positioned at described tapered slope (52-2-1), described left plate (53-1) is provided with the through hole corresponding with the central hole location of retainer ring (52-2) with right plate (53-2), described the second axle sleeve (57-6) is positioned at the through hole of left plate (53-1) and right plate (53-2), described the first axle sleeve (57-5) is through described adjusting head (51), two the second axle sleeves (57-6) are set in the two ends of described the first axle sleeve (57-5), described the second bolt (57-1) is successively through the second pad (57-2), the 3rd axle sleeve (57-7), the first axle sleeve (57-5), the 3rd axle sleeve (57-7), reed (57-3) and the second nut (57-4), and be threaded with the second nut (57-4), described brake head (53) and described adjusting head (51) are rotatably connected on described suspension rod (52) by the second rotating assembly (57).
5. according to the tread brake device one of claim 1 to 4 Suo Shu, it is characterized in that: described force amplificatory structure (3) is cam mechanism, comprise piston (31) and two cams (33); Described cylinder body is provided with plunger shaft in (1), described piston (31) elasticity is arranged in described plunger shaft, described piston (31) comprises piston only (31-1) and extended two legs of a side (31-2) from piston only (31-1), the center of rotation of described cam (33) is rotatably connected on described cylinder body (1), the edge of described cam (33) is provided with ejection cambered surface (33-1), and described ejection cambered surface (33-1) offsets with described thrust ring (41); Described cam (33) is provided with waist manhole (33-3), described two legs (31-2) are connected in described waist manhole (33-3) by bearing pin (36) rolling that is arranged with rolling bearing (38) away from one end of piston only (31-1), in the time that described piston (31) promotes described cam (33) rotation, described piston (31) moves along the axis of plunger shaft all the time.
6. according to tread brake device claimed in claim 5, it is characterized in that: described clearance adjustment mechanism (22) is provided with cylinder (22-1), described thrust ring (41) is provided with the arc groove (41-4) matching with described cylinder (22-1), and described cylinder (22-1) is positioned at arc groove (41-4).
7. according to tread brake device claimed in claim 5, it is characterized in that: also comprise slide (42), described slide (42) is provided with gathering sill (42-1), slide (42) is fixed on described cylinder body (1) inwall; Fixed leg (41-1) is extended in the both sides of described thrust ring (41); On described fixed leg (41-1), be arranged with the second needle bearing (41-3) that is positioned at first needle bearing (41-2) of inner side and is positioned at outside; Described the first needle bearing (41-2) offsets with described ejection cambered surface (33-1), described the second needle bearing (41-3) is positioned at described gathering sill (42-1), in the time that described cam (33) promotes described thrust ring (41) and advances or retreat, described fixed leg (41-1) is mobile along described gathering sill (42-1).
8. according to tread brake device claimed in claim 5, it is characterized in that: described two legs (31-2) are symmetrical arranged and perpendicular to described piston only (31-1), described leg (31-2) is made up of with the connecting portion (31-2-2) that is connected described two connecting plate portions (31-2-1) that are parallel to each other and described piston only (31-1) two connecting plate portions (31-2-1) that are parallel to each other, and described cam (33) is positioned between two connecting plate portions (31-2-1) of corresponding leg (31-2); Described bearing pin (36) is successively through one of them connecting plate portion (31-2-1), oval shape groove (33-3) and another connecting plate portion (31-2-1).
9. according to tread brake device claimed in claim 5, it is characterized in that: described force amplificatory structure (3) also comprises back-moving spring (32), mount pad (34), piston packing (35) and steady pin assembly (37); Described piston packing (35) is set in the edge of described piston only (31-1); Described mount pad (34) is fixed in described cylinder body (1), and one end of described back-moving spring (32) and described piston (31) offset, and the other end and described mount pad (34) offset; The center of rotation of described cam (33) is provided with pin-and-hole (33-2), and described steady pin assembly (37) passes described cylinder body (1) and pin-and-hole (33-2), thereby cam (33) is rotatably connected on described cylinder body (1).
10. according to the tread brake device one of claim 1 to 4 Suo Shu, it is characterized in that: also comprise the parking brake mechanism (6) that is provided with hand relieving assembly and spring energy-storage assembly, described parking brake mechanism (6) is arranged on cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745609.7A CN103693069B (en) | 2013-12-30 | 2013-12-30 | Tread brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745609.7A CN103693069B (en) | 2013-12-30 | 2013-12-30 | Tread brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103693069A CN103693069A (en) | 2014-04-02 |
| CN103693069B true CN103693069B (en) | 2016-05-18 |
Family
ID=50354787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310745609.7A Active CN103693069B (en) | 2013-12-30 | 2013-12-30 | Tread brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103693069B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477202A (en) * | 2014-11-26 | 2015-04-01 | 南京浦镇海泰制动设备有限公司 | Brake head overturn-proof structure of tread brake of rail vehicle |
| CN104442895A (en) * | 2014-11-26 | 2015-03-25 | 南京浦镇海泰制动设备有限公司 | Tread brake |
| CN105156517B (en) * | 2015-08-07 | 2017-06-23 | 中车青岛四方车辆研究所有限公司 | Integrated passive type hydraulic braking clamp |
| CN109855889B (en) * | 2017-11-30 | 2024-04-30 | 常州中车铁马科技实业有限公司 | Fatigue test system for multi-working-condition tread braking unit |
| CN109969217B (en) * | 2019-04-26 | 2023-12-26 | 四川江山轨道交通装备制造有限公司 | Tread braking unit |
| CN109955864A (en) * | 2019-04-26 | 2019-07-02 | 四川江山轨道交通装备制造有限公司 | Watt support sunpender |
| CN109969225A (en) * | 2019-04-26 | 2019-07-05 | 四川江山轨道交通装备制造有限公司 | Brake shoe and wheel tread automatic capturing structure in track brake |
| CN110803183B (en) * | 2019-09-26 | 2020-09-18 | 北京地铁车辆装备有限公司 | Frame for vehicle |
| CN113120022A (en) * | 2019-12-30 | 2021-07-16 | 常州中车铁马科技实业有限公司 | Tread brake |
| CN113653755B (en) * | 2021-09-08 | 2024-06-14 | 中国铁道科学研究院集团有限公司 | Tread cleaning device |
| CN117433689B (en) * | 2023-12-14 | 2024-03-08 | 克诺尔车辆设备(苏州)有限公司 | Rebound device, tread brake testing equipment and tread brake testing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4607729A (en) * | 1983-12-09 | 1986-08-26 | Knorr-Bremse Ag | Brake unit for rail vehicles |
| DE4235310A1 (en) * | 1992-10-20 | 1994-04-21 | Knorr Bremse Ag | Device for parallel guidance of the brake shoe of a block brake |
| CN2551527Y (en) * | 2002-06-21 | 2003-05-21 | 株洲电力机车厂 | Tread cleaner of railway locomotive |
| CN202320379U (en) * | 2011-10-31 | 2012-07-11 | 中国北车集团大连机车车辆有限公司 | Locomotive tread unit brake capable of preventing brake-shoe eccentric wear |
| CN203780544U (en) * | 2013-12-30 | 2014-08-20 | 常州南车铁马科技实业有限公司 | Tread braking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011144827A (en) * | 2010-01-12 | 2011-07-28 | Mitsubishi Heavy Ind Ltd | Brake device |
-
2013
- 2013-12-30 CN CN201310745609.7A patent/CN103693069B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4607729A (en) * | 1983-12-09 | 1986-08-26 | Knorr-Bremse Ag | Brake unit for rail vehicles |
| DE4235310A1 (en) * | 1992-10-20 | 1994-04-21 | Knorr Bremse Ag | Device for parallel guidance of the brake shoe of a block brake |
| CN2551527Y (en) * | 2002-06-21 | 2003-05-21 | 株洲电力机车厂 | Tread cleaner of railway locomotive |
| CN202320379U (en) * | 2011-10-31 | 2012-07-11 | 中国北车集团大连机车车辆有限公司 | Locomotive tread unit brake capable of preventing brake-shoe eccentric wear |
| CN203780544U (en) * | 2013-12-30 | 2014-08-20 | 常州南车铁马科技实业有限公司 | Tread braking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103693069A (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103693069B (en) | Tread brake device | |
| CN203780544U (en) | Tread braking device | |
| CN110671432B (en) | Variable inner diameter bearing | |
| CN203767412U (en) | Damping roller | |
| CN204533032U (en) | Closed single point high-speed blanking press compensating cylinder | |
| CN103597238A (en) | Multiple-piston disk brake | |
| CN104190749B (en) | Rotating roller body flexible deformation's correction device | |
| US2513643A (en) | Attachment for newspaper press inking roller shafts | |
| CN206509941U (en) | A kind of cylinder roller bearing disassembling fixture | |
| CN110778609B (en) | Diameter changing method of variable inner diameter bearing | |
| EP2966306B1 (en) | Cylinder trunnion supporting structure | |
| CN204572874U (en) | Disc type brake cylinder assembly with halting mechanism and brake calipers | |
| CN205078661U (en) | Stopper automatic compensation mechanism | |
| CN204052768U (en) | A kind of forging press material jacking mechanism | |
| CN207229659U (en) | A kind of rotary body damping mechanism | |
| CN204586416U (en) | A kind of novel back reaction rod with joint assembly | |
| CN213332043U (en) | Novel bearing | |
| CN205167815U (en) | Super large stroke ceiling mechanism | |
| CN105417405A (en) | Hydraulic clamp | |
| CN202209249U (en) | Hydraulic motor | |
| CN216200042U (en) | Compound buffer pressure spring | |
| CN110356166A (en) | A kind of shock-absorbing wheel | |
| CN105057508B (en) | A kind of three station rotary devices | |
| JP4939441B2 (en) | Brake arm support structure | |
| CN208330896U (en) | The piston buffer unit of hydraulic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Address before: The new North Xue 213125 town in Jiangsu province Changzhou City Shun Road No. 19 Co-patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. Patentee before: CSR CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
|
| CP03 | Change of name, title or address |