CN113685489B - Longitudinal buffer device on two sides of three-shaft screen - Google Patents
Longitudinal buffer device on two sides of three-shaft screen Download PDFInfo
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- CN113685489B CN113685489B CN202110963012.4A CN202110963012A CN113685489B CN 113685489 B CN113685489 B CN 113685489B CN 202110963012 A CN202110963012 A CN 202110963012A CN 113685489 B CN113685489 B CN 113685489B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The application relates to a longitudinal buffer device on two sides of a three-shaft screen, relating to the technical field of screening machinery; the vertical buffer component comprises a connecting rod, a tensioning belt and a fixing cover, wherein the tensioning belt is respectively connected with the connecting rod and the fixing cover through a locking piece, one end of the connecting rod, far away from the screen box, is fixed with the side wall of the screen box through a resisting bolt, and the fixing cover is fixed with the base through a fixing bolt; this application has the effect that reduces the amplitude that triaxial sieve produced when starting and shutting down, sieve case.
Description
Technical Field
The application relates to the field of screening machinery, in particular to a longitudinal buffer device on two sides of a three-axis screen.
Background
The application of the vibrating screen is very wide, and the vibrating screen can not be separated from the vibrating screen in all aspects of life from mining, metallurgy, coal, petrochemical industry, water conservancy and electric power, light industry, construction, transportation, even flour processing and the like. Coal and ore which are used as main raw materials of power plants and mine plants need to be screened before being used.
Chinese patent with publication number CN106076810A discloses a horizontal three-shaft sieve, which comprises a sieve box assembly, a base and an excitation system, wherein the sieve box assembly is provided with a feeding port and a discharging port, a material bearing box is arranged at the inlet, the excitation system is connected with the sieve box assembly, an elastic support is arranged below the sieve box assembly and is arranged on the base through the elastic support, the elastic support comprises an upper spring seat and a damping spring, the sieve box assembly comprises two side walls, a sieve net assembly and a tensioning assembly, the tensioning assembly is arranged at two sides of the sieve net assembly and is connected with the two side walls of the sieve box assembly, the excitation system comprises a transmission mechanism and a three-shaft excitation system, the transmission mechanism is arranged outside the sieve box assembly, the three-shaft excitation system is arranged inside the sieve box assembly, and the transmission mechanism is connected with the three-shaft excitation system; when in use, three groups of oscillators are adopted simultaneously, so that the treatment capacity is strong, and the screening efficiency is low.
In view of the above-mentioned related technologies, the inventor believes that the three-shaft screen needs to be improved in that the amplitude of the screen box is increased sharply when the three-shaft screen is started and stopped, and the damping spring is easily overloaded severely when the three-shaft screen passes through the resonance region, so that the service life of the damping spring is reduced.
Disclosure of Invention
In order to reduce the amplitude generated by the screen box when the three-shaft screen is started and stopped; the application provides a vertical buffer in triaxial sieve both sides.
The application provides a vertical buffer in triaxial sieve both sides adopts following technical scheme:
the utility model provides a vertical buffer in triaxial sieve both sides, includes sieve case and base, the lateral wall of sieve case and the one side that is located width direction are provided with vertical buffering subassembly, vertical buffering subassembly includes connecting rod, tensioning belt, fixed cover, the tensioning belt passes through the lock piece and is connected with connecting rod and fixed cover respectively, the one end that the sieve case was kept away from to the connecting rod is fixed through supporting tight bolt with the lateral wall of sieve case, fix through fixing bolt between fixed cover and the base.
Through adopting above-mentioned technical scheme, vertical buffering subassembly's setting to when the triaxial sieve is starting with when stopping, through the elastic force of tensioning belt, the amplitude that the sieve case produced when having reduced the triaxial sieve work reduces the vertical swing of sieve case simultaneously.
Optionally, the locking piece includes a locking plate, a locking screw and a locking nut, the locking plate fixed connection that tensioning belt department is close to one side of connecting rod is in one side that the connecting rod is close to the fixed cover, the locking plate that tensioning belt department is close to one side of the fixed cover sets up in one side that the base is kept away from to the fixed cover, the lateral wall of locking plate runs through along the thickness direction and is offered the locking hole that is used for supplying the locking screw to pass, the locking nut is connected in the lateral wall of locking screw.
Through adopting above-mentioned technical scheme, mutually supporting of locking screw and lock nut to be fixed in the connecting rod and fixed between the cover through the locking piece with the tensioning belt, thereby when the tensioning belt uses the emergence fracture for a long time, can change the tensioning belt.
Optionally, the locking piece further includes a locking pipe, the locking pipe is sleeved outside the locking screw, and an outer side wall of the locking pipe abuts against an inner side wall of the tensioning belt.
Through adopting above-mentioned technical scheme, the frictional force that produces when reducing tensioning belt inside wall and locking screw lateral wall butt is managed in the setting of locking to in the life of extension tensioning belt.
Optionally, one side that the base was kept away from to fixed cover is provided with the buttcover plate, one side fixed connection that fixed cover was kept away from to the buttcover plate is close to the lock plate of fixed cover one side on the tensioning belt, the inside sliding connection of fixed cover has the slide plate, buttcover plate and slide plate are fixed through the butt bolt. One side of the fixed cover, which is far away from the base, is provided with a sliding groove for sliding the butt-joint bolt along the length direction, and a fastener is arranged between the butt-joint plate and the fixed cover.
Through adopting above-mentioned technical scheme, after the tensioning belt used for a long time, the tensioning belt takes place lax easily, moves in one side that the base was kept away from to fixed cover through the butt plate this moment to drive the tensioning belt and move towards the one side of keeping away from the connecting rod, and be fixed in fixed cover with the butt plate through the fastener, thereby need not to change the tensioning belt after lax, saved the cost of enterprise.
Optionally, the fastening piece includes a fastening screw fixedly connected to one side of the sliding plate far away from the butt plate and a fastening nut in threaded connection with a side wall of the fastening screw, and a fastening hole for the fastening screw to pass through is formed in one side of the fixing cover far away from the connecting rod along the length direction.
Through adopting above-mentioned technical scheme, fastening screw and fastening nut mutually support to on being fixed in fixed the cover with the butt joint plate, the staff of being convenient for is with the help of fastening screw quick travel butt joint plate in addition in the setting of fastening screw, thereby has saved the consumption of staff's physical power.
Optionally, the base of sieve case feed end and discharge end below just is located base width direction's both sides and all is provided with the spacing subassembly of damping, the spacing subassembly of damping includes posting, locating plate, chucking screw rod, buffer block and chucking nut, posting and base are fixed through positioning bolt, locating plate fixed connection keeps away from one side of sieve case in posting, buffer block fixed connection is in one side that the chucking screw rod is close to the sieve case, the chucking hole that supplies the chucking screw rod to pass is seted up along thickness direction to one side that the sieve case was kept away from to the locating plate, the hole that supports that is used for supplying the buffer block to pass is offered along thickness direction to one side that the posting is close to the sieve case, chucking nut threaded connection is in the lateral wall of chucking screw rod, chucking nut fixed connection is in one side that the sieve case was kept away from to the locating plate.
By adopting the technical scheme, the damping limiting assembly is arranged, so that when the three-shaft screen works normally, the buffer block and the screen box vibrate together without relative displacement, and the normal work of the three-shaft screen is not influenced; when the triaxial sieve starts and stops, the amplitude that the sieve case produced increases, exceeds the reservation clearance, makes and produces relative displacement and produce frictional resistance between buffer block and the sieve case, has further reduced the sieve case amplitude that the triaxial sieve started and produced when shutting down, reduces the horizontal hunting of sieve case simultaneously.
Optionally, the positioning frame is fixedly connected with a butting pipe in the inner part of the butting hole, and the buffer block is arranged in the butting pipe.
Through adopting above-mentioned technical scheme, the setting of butt joint pipe to protect the buffer block, thereby reduce the possibility that the rupture takes place for the buffer block, prolonged the life of buffer block.
Optionally, the lateral wall threaded connection of clamping screw has first nut, the mutual one side butt that is close to of first nut and clamping nut, the lateral wall threaded connection of fastening screw has the second nut, the mutual one side butt that is close to of second nut and fastening nut.
By adopting the technical scheme, the arrangement of the first nut strengthens the stability of the clamping screw rod in the clamping nut in a threaded manner, so that the possibility of rotation of the clamping screw rod is reduced; the stability of fastening nut threaded connection in fastening screw lateral wall has been strengthened in the setting of second nut to strengthened the butt plate and be fixed in the fixed stability that covers.
Optionally, the number of the longitudinal buffer assemblies is two, and the two longitudinal buffer assemblies are respectively arranged on two sides of the width direction of the screen box.
Through adopting above-mentioned technical scheme, sieve case width direction's both sides all are provided with vertical buffering subassembly to can improve the vertical beat that the sieve case produced when the triaxial sieve starts and stops, make the triaxial sieve more steady when starting and stopping.
Optionally, the connecting rod is including setting up in the connecting portion of sieve case lateral wall and the butt portion of fixed connection in connecting portion keep away from sieve case one side, be provided with the firm pole between connecting portion and the butt portion, firm pole length direction's one end fixed connection is in the one side that sieve case was kept away from to connecting portion, firm pole length direction's the other end fixed connection is in the one side that fixed cover was kept away from to butt portion.
Through adopting above-mentioned technical scheme, the setting of firm pole to even prolong the life of connecting rod, reduce the connecting portion of connecting rod and the cracked possibility of taking place between the butt portion.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the longitudinal buffer assembly is used for reducing the vibration amplitude generated by the screen box when the three-shaft screen works and reducing the longitudinal swing of the screen box by the elastic force of the tensioning belt when the three-shaft screen is started and stopped.
2. Both sides of sieve case width direction all are provided with vertical buffering subassembly to can improve the vertical beat that the sieve case produced when the triaxial sieve starts and stops, make the triaxial sieve more steady when starting and stopping.
Drawings
Fig. 1 is a schematic overall structure diagram of a longitudinal buffer device on two sides of a triaxial screen in the embodiment of the present application.
Fig. 2 is a sectional view for embodying the structure of the damping limiting assembly in the embodiment of the present application.
Fig. 3 is a schematic diagram for embodying the structure of the longitudinal buffer assembly in the embodiment of the present application.
Fig. 4 is a partial sectional view for embodying a docking plate and fixing cover coupling structure in an embodiment of the present application.
Description of reference numerals: 1. a screen box; 2. a base; 3. a longitudinal cushioning component; 31. a connecting rod; 311. a connecting portion; 312. an abutting portion; 32. tensioning the belt; 33. a fixed cover; 331. a sliding groove; 332. a fastening hole; 34. tightly abutting against the bolt; 35. fixing the bolt; 4. a locking member; 41. a lock plate; 411. a locking hole; 42. locking the screw rod; 43. a lock nut; 44. a locking tube; 5. a butt plate; 51. a slide plate; 52. a butt bolt; 6. a fastener; 61. fastening a screw rod; 611. a second nut; 62. fastening a nut; 7. a damping limit assembly; 71. a positioning frame; 711. positioning the bolt; 712. abutting against the hole; 713. butting the tubes; 72. positioning a plate; 721. a clamping hole; 73. clamping the screw rod; 731. a first nut; 74. a buffer block; 75. clamping the nut; 8. and (6) stabilizing the rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses longitudinal buffer device on two sides of a three-shaft screen. Referring to fig. 1 and 2, the longitudinal buffer devices on two sides of the three-axis sieve comprise a sieve box 1 and a base 2, the base 2 below the feeding end and the discharging end of the sieve box 1 is provided with a plurality of damping limiting assemblies 7, the number of the damping limiting assemblies 7 can be four, and the four damping limiting assemblies 7 are arranged on two sides of the base 2 in the width direction; damping spacing subassembly 7 includes locating frame 71, locating plate 72, chucking screw 73, buffer block 74 and chucking nut 75, and locating frame 71 passes through positioning bolt 711 to be connected in the upper surface of base 2, and locating plate 72 welds in the one side of keeping away from sieve case 1 of locating frame 71, and buffer block 74 glues in the one side that chucking screw 73 is close to sieve case 1 through glue, and buffer block 74 can be the rubber material.
Referring to fig. 2, a clamping hole 721 is formed in one side of the positioning plate 72 away from the screen box 1 along the thickness direction, and the clamping hole 721 is used for a clamping screw 73 to pass through; one side of the positioning frame 71 close to the screen box 1 is provided with an abutting hole 712 along the thickness direction, and the abutting hole 712 is used for the buffer block 74 to pass through; the clamping nut 75 is welded on one side of the positioning plate 72 away from the screen box 1, and the axis of the clamping nut 75 and the circle center of the abutting hole 712 are positioned on the same horizontal line; so that the worker can hold the buffer block 74, abut one end of the clamping screw 73 far away from the buffer block 74 against the hole 712 and the clamping hole 721 and be embedded in the clamping nut 75 in a threaded manner until a proper gap is left between one side of the buffer block 74 far away from the clamping screw 73 and the side wall of the sieve box 1; therefore, when the three-shaft screen is started and stopped, the amplitude generated by the screen box 1 is increased, and when the amplitude exceeds the reserved gap between the buffer block 74 and the screen box 1, the buffer block 74 and the screen box 1 generate relative displacement, so that frictional resistance is generated; and then reduced the amplitude that sieve case 1 produced when triaxial sieve starts and shuts down, reduced the horizontal hunting of sieve case 1 simultaneously.
Referring to fig. 2, a first nut 731 is threadedly coupled to a side wall of the clamping screw 73, and the first nut 731 and the clamping nut 75 abut against each other at a side close to each other; thereby enhancing the stability of the chucking screw 73 being threadedly fitted in the chucking nut 75 and further reducing the possibility of the chucking screw 73 rotating.
Referring to fig. 2, the positioning frame 71 is welded with an abutting tube 713 inside the abutting hole 712, and the buffer block 74 is disposed inside the abutting tube 713, so as to reduce the possibility of breaking the buffer block 74.
Referring to fig. 1 and 3, a longitudinal buffer assembly 3 is disposed on one side of the outer side wall of the screen box 1 in the width direction, and the longitudinal buffer assembly 3 includes a connecting rod 31, a tension belt 32, and a fixing cover 33; the connecting rod 31 comprises a connecting part 311 and an abutting part 312, the connecting part 311 is connected to the side wall of the screen box 1 through a fastening bolt 34, and the abutting part 312 is welded on one side of the connecting part 311 away from the screen box 1; the fixing cover 33 and the base 2 are fixed by a fixing bolt 35, and the tension belt 32 is connected to the connecting rod 31 and the fixing cover 33 by the locking member 4.
Referring to fig. 3, the locking member 4 includes a locking plate 41, a locking screw 42, a locking nut 43 and a locking tube 44, the locking plate 41 at the side of the tensioning belt 32 close to the connecting rod 31 is welded to the side of the abutting portion 312 close to the fixing cover 33, the locking plate 41 at the side of the tensioning belt 32 close to the fixing cover 33 is arranged at the side of the fixing cover 33 far away from the base 2, the locking tube 44 is sleeved on the side wall of the locking screw 42, and the outer side wall of the locking tube 44 abuts against the inner side wall of the tensioning belt 32; one end of the locking plate 41, which is far away from the locking pipe 44, penetrates through a locking hole 411 for the locking screw 42 to pass through in the thickness direction, and the locking nut 43 is connected to the side wall of the locking screw 42; so that the worker holds the locking screw 42, and the end of the locking screw 42 far away from the bolt head passes through the locking hole 411 and the inside of the locking pipe 44 until the bolt head of the locking screw 42 and one of the locking plates 41 abut against the side close to each other; then, the lock nut 43 is gripped to screw-connect the lock nut 43 to the side wall of the lock screw 42 until the lock nut 43 abuts against the side where the other lock plate 41 approaches each other; thereby fixing the tension belt 32 between the connecting rod 31 and the fixing cover 33 through the locking member 4; at this time, when the three-shaft screen is started and stopped, the vibration amplitude generated by the screen box 1 when the three-shaft screen works is further reduced by the elastic force of the tension belt 32, and the longitudinal swing of the screen box 1 is reduced.
Referring to fig. 1, two longitudinal buffer assemblies 3 are provided, and the two longitudinal buffer assemblies 3 are respectively disposed at both sides of the width direction of the screen box 1, so that the vertical runout generated by the screen box 1 can be improved when the three-shaft screen is started and stopped, and the three-shaft screen is more stable when the three-shaft screen is started and stopped.
Referring to fig. 3, the connection portion 311 is welded with the stabilizing rod 8 at a side away from the screen box 1, one end of the stabilizing rod 8 away from the connection portion 311 is welded at a side of the abutting portion 312 away from the fixing cover 33, and at this time, the abutting portion 312 and the stabilizing rod 8 form a triangular shape, so that the stability of the connection rod 31 is improved, and the possibility of fracture of the connection rod 31 is reduced.
Referring to fig. 4, the sliding plate 51 is slidably connected to the inside of the fixing cover 33, the docking plate 5 is disposed on one side of the fixing cover 33 away from the base 2, the docking plate 5 and the sliding plate 51 are fixed by the docking bolt 52, the sliding groove 331 is disposed on one side of the fixing cover 33 away from the base 2 along the length direction, the sliding groove 331 is used for allowing the docking bolt 52 to slide, the docking plate 5 is away from one side of the fixing cover 33 and welded to the locking plate 41 on one side of the tensioning belt 32 away from the connecting rod 31, and the fastening member 6 is disposed between the docking plate 5 and the fixing cover 33.
Referring to fig. 4, the fastening member 6 includes a fastening screw 61 and a fastening nut 62, the fastening screw 61 is welded to a side of the sliding plate 51 far away from the butt plate 5, the fastening nut 62 is screwed to a side wall of the fastening screw 61, a fastening hole 332 is formed in a length direction of a side of the fixing cover 33 far away from the connecting rod 31, and the fastening hole 332 is used for the fastening screw 61 to pass through; so that the worker holds the fastening screw 61 to move the fastening screw 61 towards the side far away from the connecting rod 31, the fastening screw 61 drives the sliding plate 51 to synchronously move towards the side far away from the connecting rod 31 along the inside of the fixed cover 33, and the sliding plate 51 drives the butt plate 5 to synchronously move towards the side far away from the connecting rod 31 through the butt bolt 52; so as to tension the tension belt 32 which is loosened after long-time use, thereby saving the cost of enterprises; after the docking plate 5 is moved to a proper position, the fastening nut 62 is gripped, and the fastening nut 62 is screwed to the side wall of the fastening screw 61 until the fastening nut 62 and the fixing cover 33 abut against each other at the side close to each other, thereby fixing the docking plate 5.
Referring to fig. 4, a second nut 611 is screwed to a side wall of the fastening screw 61, and the second nut 611 and the fastening nut 62 abut against each other on a side close to each other; so that the stability of the fastening nut 62 being screwed to the side wall of the fastening screw 61 is enhanced, thereby enhancing the stability of the abutment plate 5 being fixed to the fixing housing 33.
The implementation principle of the longitudinal buffer devices on two sides of the three-shaft screen in the embodiment of the application is as follows: the positioning frame 71 is connected to the upper surface of the base 2 through the positioning bolt 711, the positioning plate 72 is welded to one side, far away from the sieve box 1, of the positioning frame 71, and finally one end, far away from the buffer block 74, of the clamping screw 73 penetrates through the abutting pipe 713 and the clamping hole 721 and is embedded in the clamping nut 75 in a threaded manner until a proper gap is reserved between one side, far away from the clamping screw 73, of the buffer block 74 and the side wall of the sieve box 1, so that when the triaxial sieve is started and stopped, the amplitude of the sieve box 1 is increased, and when the amplitude exceeds the reserved gap between the buffer block 74 and the sieve box 1, relative displacement is generated between the buffer block 74 and the sieve box 1, so that friction resistance is generated, the amplitude of the sieve box 1 generated when the triaxial sieve is started and stopped is reduced, and the transverse swinging of the sieve box 1 is reduced.
Firstly, the connecting part 311 of the connecting rod 31 is connected to one side of the screen box 1 through the abutting bolt 34, one side of the fixed cover 33 close to the base 2 is connected to the upper surface of the base 2 through the fixed bolt 35, then the locking pipe 44 is embedded in the tensioning belt 32, so that the side, close to each other, of the locking pipe 44 and the tensioning belt 32 is abutted, then one end, far away from the bolt head, of the locking screw rod 42 penetrates through the locking hole 411 and the inside of the locking pipe 44, the locking nut 43 is held, the locking nut 43 is in threaded connection with the side wall of the locking screw rod 42, and the tensioning belt 32 is fixed between the connecting rod 31 and the fixed cover 33 through the locking piece 4; at this time, when the three-shaft screen is started and stopped, the vibration amplitude generated by the screen box 1 when the three-shaft screen works is further reduced through the elastic force of the tension belt 32, and meanwhile, the longitudinal swing of the screen box 1 is reduced.
Two longitudinal buffer assemblies 3 are respectively arranged on two sides of the width direction of the screen box 1, so that the vertical jumping generated by the screen box 1 can be improved when the three-shaft screen is started and stopped, and the three-shaft screen is more stable when the three-shaft screen is started and stopped.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a vertical buffer in triaxial sieve both sides, includes sieve case (1) and base (2), its characterized in that: a longitudinal buffer assembly (3) is arranged on one side, located in the width direction, of the outer side wall of the screen box (1), the longitudinal buffer assembly (3) comprises a connecting rod (31), a tensioning belt (32) and a fixing cover (33), the tensioning belt (32) is connected with the connecting rod (31) and the fixing cover (33) through a locking piece (4) respectively, one end, far away from the screen box (1), of the connecting rod (31) and the side wall of the screen box (1) are fixed through a tightening bolt (34), and the fixing cover (33) and the base (2) are fixed through a fixing bolt (35);
the locking piece (4) comprises a locking plate (41), a locking screw rod (42) and a locking nut (43), the locking plate (41) at one side, close to the connecting rod (31), of the tensioning belt (32) is fixedly connected to one side, close to the fixed cover (33), of the connecting rod (31), the locking plate (41) at one side, close to the fixed cover (33), of the tensioning belt (32) is arranged at one side, far away from the base (2), of the fixed cover (33), the side wall of the locking plate (41) penetrates through a locking hole (411) for the locking screw rod (42) to penetrate through in the thickness direction, and the locking nut (43) is connected to the side wall of the locking screw rod (42);
the locking piece (4) further comprises a locking pipe (44), the locking pipe (44) is sleeved outside the locking screw rod (42), and the outer side wall of the locking pipe (44) is abutted to the inner side wall of the tensioning belt (32);
one side, far away from the base (2), of the fixed cover (33) is provided with a butt joint plate (5), one side, far away from the fixed cover (33), of the butt joint plate (5) is fixedly connected to a locking plate (41) on the tensioning belt (32) and close to one side of the fixed cover (33), a sliding plate (51) is connected to the inside of the fixed cover (33) in a sliding mode, the butt joint plate (5) and the sliding plate (51) are fixed through a butt joint bolt (52), a sliding groove (331) for the butt joint bolt (52) to slide is formed in one side, far away from the base (2), of the fixed cover (33) along the length direction, and a fastener (6) is arranged between the butt joint plate (5) and the fixed cover (33);
the fastening piece (6) comprises a fastening screw (61) fixedly connected to one side, far away from the butt plate (5), of the sliding plate (51) and a fastening nut (62) in threaded connection with the side wall of the fastening screw (61), and a fastening hole (332) for the fastening screw (61) to penetrate through is formed in one side, far away from the connecting rod (31), of the fixing cover (33) along the length direction.
2. The two-side longitudinal buffer device of the triaxial screen of claim 1, wherein: sieve case (1) feed end and discharge end below base (2) and the both sides that are located base (2) width direction all are provided with damping limit component (7), damping limit component (7) are including posting (71), locating plate (72), clamping screw (73), buffer block (74) and clamping nut (75), posting (71) and base (2) are fixed through positioning bolt (711), one side that sieve case (1) was kept away from in posting (71) is fixed connection to locating plate (72), buffer block (74) fixed connection is close to one side of sieve case (1) in clamping screw (73), clamping hole (721) that confession clamping screw (73) passed are seted up along thickness direction in one side that sieve case (1) was kept away from in locating plate (72), one side that posting (71) are close to sieve case (1) is seted up along thickness direction and is used for confession clamping screw (74) to pass through (712), clamping nut (75) threaded connection is in the lateral wall of clamping screw (73, clamping nut (75) fixed connection is in one side that sieve case (1) kept away from in locating plate (72).
3. The two-side longitudinal buffer device of the triaxial screen according to claim 2, wherein: the positioning frame (71) is fixedly connected with a butting pipe (713) in the butting hole (712), and the buffer block (74) is arranged in the butting pipe (713).
4. The two-side longitudinal buffer device of the triaxial screen according to claim 2, wherein: the lateral wall threaded connection of chucking screw rod (73) has first nut (731), the one side butt that first nut (731) and chucking nut (75) are close to each other, the lateral wall threaded connection of fastening screw rod (61) has second nut (611), the one side butt that second nut (611) and fastening nut (62) are close to each other.
5. The two-side longitudinal buffer device of the triaxial screen of claim 1, wherein: the two longitudinal buffer assemblies (3) are arranged, and the two longitudinal buffer assemblies (3) are respectively arranged on two sides of the width direction of the screen box (1).
6. The two-side longitudinal buffer device of the triaxial screen of claim 1, wherein: connecting rod (31) are including setting up connecting portion (311) and fixed connection in connecting portion (311) of sieve case (1) lateral wall and keeping away from butt portion (312) of sieve case (1) one side in connecting portion (311), be provided with between connecting portion (311) and butt portion (312) and stabilize pole (8), one side of sieve case (1) is kept away from in connecting portion (311) to the one end fixed connection of stabilizing pole (8) length direction, one side of fixed cover (33) is kept away from in butt portion (312) to the other end fixed connection of stabilizing pole (8) length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110963012.4A CN113685489B (en) | 2021-08-20 | 2021-08-20 | Longitudinal buffer device on two sides of three-shaft screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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