CN221037968U - Reciprocating caster durability testing device - Google Patents
Reciprocating caster durability testing device Download PDFInfo
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- CN221037968U CN221037968U CN202322573295.9U CN202322573295U CN221037968U CN 221037968 U CN221037968 U CN 221037968U CN 202322573295 U CN202322573295 U CN 202322573295U CN 221037968 U CN221037968 U CN 221037968U
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 abstract description 13
- 238000000429 assembly Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 238000005299 abrasion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of caster durability testing, in particular to a reciprocating caster durability testing device which comprises a bottom plate, a frame, two side test boards and a sweep, wherein pulleys are detachably and rotatably arranged at four corners of the bottom surface of the sweep, connecting frames are detachably connected to symmetrical positions of the top surface of the sweep, caster assemblies are detachably connected to two ends of the connecting frames, fixing plates are arranged at symmetrical positions of the bottom surface of the connecting frames, and the top surface of the bottom plate is in anisotropic synchronous sliding abutting connection with two first guide slide ways along the width direction of the bottom plate. According to the utility model, the sliding direction of the pulley under the vehicle plate is limited by the first guide slide way in accordance with the length direction of the bottom plate, and the sliding direction of the connecting frame and the caster assembly is limited by the second guide slide way in accordance with the length direction of the bottom plate, so that the problem that the sliding direction of the vehicle plate is not deviated to two sides on a route in the process that the tractor plate slides back and forth along the surface of the bottom plate is ensured.
Description
Technical Field
The utility model relates to the technical field of caster durability test, in particular to a reciprocating caster durability test device.
Background
In order to facilitate the sliding of different sliding devices or related equipment, a plurality of casters are generally arranged on the bottom surface of the device or the equipment, and then the device or the equipment is driven to slide along the ground or other surfaces through the casters, so that the casters bear the gravity under static and moving states, and bear the impact force received in the process of encountering obstacles in the moving states, the reliability of the casters is very important, the service life of the casters is also related to the accidental damage caused by the damage of the casters in the using process, and before leaving a factory, the casters are required to be subjected to parameter tests such as durability, load and service life so as to ensure the applicability and safety of the casters, wherein the durability test simulates the actual use condition of the casters to observe the abrasion condition of the surfaces of the casters, thereby judging the load condition and service life of the casters, and the like.
In the actual test process, the assembling main body of the truckle is generally simulated through the truck board or the truck frame, and the truck board or the truck frame slides along the surface of the bottom plate to simulate a specific motion state, in order to improve the persistence of the simulation state, the truck board and the truck frame slide along the bottom plate are set to be round trip type through the chain plate, so that the endurance test is carried out on the truckle through continuous round trip type sliding.
Therefore, it is necessary to provide a reciprocating caster durability test apparatus to solve the above-mentioned problems.
Disclosure of utility model
In order to solve the defects of the prior art, the utility model aims to provide the reciprocating type caster durability testing device, which solves the problems that in the prior art, in the reciprocating sliding process of a vehicle plate, the contact strength between different casters and corresponding testing plates is unnecessarily changed, so that the sliding friction force between the different casters and the testing plates is unnecessarily changed, the surface abrasion condition of the casters in the same stress state cannot be actually simulated, a certain deviation occurs to the durability testing result of the casters in the same testing environment, and the durability testing result is finally influenced.
In order to achieve the above object, the present utility model adopts the following technical scheme:
The utility model provides a round trip formula truckle durability testing arrangement, includes the bottom plate, sets up in the frame of bottom plate top surface avris, symmetry can dismantle and set up in two side test boards of frame top surface and can follow the gliding sweep of bottom plate top surface round trip through the chain dish, four bight departments of sweep bottom surface all can dismantle and rotate and be provided with the pulley, the connecting frame is all dismantled at sweep top surface symmetrical position, connecting frame both ends all can dismantle and be connected with the truckle subassembly that can rotate the butt with side test board side, connecting frame bottom surface symmetrical position all is provided with the fixed plate, the bottom plate top surface is along its width direction different synchronous slip butt have two first guide slide, is located two pulleys on the sweep round trip type slip direction can follow one of them first guide slide, two a lateral wall that first guide slide kept away from each other all is provided with the second guide slide along bottom plate width direction slip, be located two fixed plates on the sweep round trip type slip direction all can follow one of them second guide slide.
As a preferable scheme of the utility model, the center of the top surface of the bottom plate is detachably provided with a bidirectional air cylinder, two side walls of the bidirectional air cylinder are respectively provided with a movable plate in a synchronous sliding way in different directions through a telescopic rod, and the other surface of the movable plate is detachably connected with a first guiding slideway on the same side.
As a preferable scheme of the utility model, limit grooves are formed in symmetrical positions of the top surface of the bottom plate, and limit blocks capable of sliding along the limit grooves are connected to the adaptive positions of the bottom surface of the first guide slide way.
As a preferable scheme of the utility model, the symmetrical positions of the side walls of the two first guide slide ways, which are far away from each other, are connected with the side limiting frames, and the matched positions of the bottom surfaces of the second guide slide ways are connected with sliding seats capable of sliding along the side limiting frames.
As a preferable scheme of the utility model, positioning seats are arranged at four corners of the top end of the vehicle plate, the connecting frame is detachably arranged between the two positioning seats in the width direction of the bottom plate, a placing frame for placing the balancing weights is arranged in the center of the top surface of the vehicle plate, and traction frames capable of being connected with the chain plate are rotatably arranged on two side walls of the vehicle plate in the reciprocating sliding direction.
As a preferable scheme of the utility model, the sliding seat is connected with the side limiting frame in a sliding way through a stud, and nuts capable of locking the position of the sliding seat on the side limiting frame are sleeved at the threads at the two ends of the stud.
In the technical scheme, the utility model has the technical effects and advantages that:
In the utility model, the chain plate drives the carriage plate to slide back and forth along the bottom plate, and then drives the four caster wheel assemblies at the two ends of the two connecting frames to simultaneously rub with the side test plates under the same environment, namely, the durability test is carried out on the four caster wheel assemblies under the same environment, in the process of sliding the carriage plate along the surface of the bottom plate, the two first guide slide ways are synchronously moved to symmetrical positions along the width direction of the bottom plate by judging the positions of the lower pulleys of the carriage plate in advance, so that the two pulleys on the back and forth sliding can slide along the first guide slide ways at the corresponding positions, as the directions of the first guide slide ways are consistent with the length direction of the bottom plate, the sliding direction of the pulleys always coincides with the length direction of the bottom plate under the limit of the first guide slide ways, and the two guide slide ways are simultaneously shifted to the length direction of the bottom plate under the limit of the connecting frames along the length direction of the two guide slide ways along the length direction of the connecting frames, and the two guide slide direction of the chain plate are simultaneously ensured as the two guide slide ways are not consistent with the length direction of the bottom plate in the direction of the bottom plate, and the two guide slide plate are simultaneously carried out on the two guide slide plate assemblies along the length direction of the two guide slide direction of the bottom plate in advance, therefore, the distance between the trundle assemblies at the two ends of the two connecting frames and the corresponding side test boards is not changed, the trundle assemblies at different positions and the corresponding side test boards are ensured to be under the same sliding friction force, the deflection of the test environments of the different trundle assemblies is avoided, and the accuracy of the durability test results is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic plan top view of the structure of FIG. 1 according to the present utility model;
fig. 3 is a schematic overall structure of another view of the present utility model.
Reference numerals illustrate:
1. A bottom plate; 2. a limit groove; 3. a frame; 4. a bidirectional cylinder; 5. a movable plate; 6. a first guide slide; 7. a sweep; 8. a positioning seat; 9. a connecting frame; 10. a caster assembly; 11. a pulley; 12. a side limiting frame; 13. a slide; 14. a second guide slide; 15. a fixing plate; 16. a traction frame; 17. a side test board; 18. a stud; 19. a nut; 20. a limiting block; 21. placing a frame.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The utility model provides a reciprocating caster durability testing device as shown in figures 1-3, which comprises a bottom plate 1, a side frame 3 arranged on the side of the top surface of the bottom plate 1, two side test boards 17 symmetrically and detachably arranged on the top surface of the side frame 3, and a trolley board 7 capable of sliding back and forth along the top surface of the bottom plate 1 through a chain plate, wherein pulleys 11 are detachably and rotatably arranged at four corners of the bottom surface of the trolley board 7, a connecting frame 9 is detachably connected to symmetrical positions of the top surface of the trolley board 7, caster assemblies 10 capable of being in side-face rotation abutting connection with the side test boards 17 are detachably connected to two ends of the connecting frame 9, fixing plates 15 are respectively arranged at symmetrical positions of the bottom surface of the connecting frame 9, the top surface of the bottom plate 1 is in anisotropic synchronous sliding abutting connection with two first guide slide ways 6 along the width direction of the connecting frame, two pulleys 11 positioned in the reciprocating sliding direction of the trolley board 7 can slide along one first guide slide 6, a side wall, which is mutually far away from each other, is provided with a second guide slide way 14 along the width direction of the bottom plate 1, two fixing plates 15 positioned in the reciprocating direction of the trolley board 7 can slide along the width direction of the bottom plate 1, two guide plates 14 are in the reciprocating direction of the chain plate 1, and the two guide plates are in the actual sliding direction, and the two guide plates are not in the sliding direction along the chain plate 1, and the two guide plates are in the actual sliding plate, and the sliding plate is in the sliding direction, and the sliding plate is in the opposite, and the direction.
The center of the top surface of the bottom plate 1 can be disassembled and provided with a bidirectional cylinder 4, two side walls of the bidirectional cylinder 4 are respectively provided with a movable plate 5 through the synchronous sliding of the telescopic rods in different directions, the other surface of the movable plate 5 is detachably connected with a first guiding slideway 6 on the same side, the bidirectional cylinder 4 can drive the telescopic rods on two sides to synchronously stretch, so that the movable plates 5 on two sides synchronously slide in different directions, namely, the two movable plates 5 synchronously move close to each other or slide away from each other, the two first guiding slideways 6 synchronously move close to or slide away from each other, the distance between the two first guiding slideways 6 is changed, and the distance between the pulleys 11 under the carriage plate 7 is adapted.
Limiting grooves 2 are formed in symmetrical positions of the top surface of the bottom plate 1, limiting blocks 20 capable of sliding along the limiting grooves 2 are connected to the bottom surface adapting positions of the first guide slide ways 6, the movable plate 5 drives the first guide slide ways 6 to synchronously approach or keep away from sliding, the limiting blocks 20 synchronously slide along the limiting grooves 2, angle deviation of the first guide slide ways 6 in the sliding process is avoided, and accordingly the two first guide slide ways 6 are guaranteed to be always parallel.
The symmetrical positions of the side walls of the two first guide slide ways 6 which are far away from each other are connected with a side limiting frame 12, the matched positions of the bottom surfaces of the second guide slide ways 14 are connected with sliding seats 13 which can slide along the side limiting frame 12, and the sliding seats 13 slide along the side limiting frame 12, so that the distance between the second guide slide ways 14 and the first guide slide ways 6 is changed, namely, the distance is suitable for the detection between a lower fixing plate 15 of the connecting frame 9 and a lower pulley 11 of the sweep 7.
Four angles in sweep 7 top all are provided with positioning seat 8, and link 9 demountable installation is in between two positioning seat 8 on bottom plate 1 width direction, and sweep 7 top surface center is provided with the frame 21 of placing that can be used to place the balancing weight, and sweep 7 is located the traction frame 16 that round trip slip direction on both sides wall all rotates to be provided with can be connected with the chain dish, through placing the balancing weight of different weight in placing frame 21 to increase the loading of different weight on sweep 7, thereby simulate actual running state.
The slide seat 13 is in sliding connection with the side limiting frame 12 through a stud 18, and nuts 19 capable of locking the position of the slide seat 13 on the side limiting frame 12 are sleeved at two ends of the stud 18 in a threaded manner.
In the utility model, the chain plate drives the carriage plate 7 to slide back and forth along the bottom plate 1, and then drives the four caster assemblies 10 at the two ends of the two connecting frames 9 to simultaneously rub with the side test plates 17 under the same environment, namely, the four caster assemblies 10 are subjected to durability test under the same environment, in the process of sliding the carriage plate 7 along the surface of the bottom plate 1, the two first guide slide ways 6 are synchronously moved to symmetrical positions along the width direction of the bottom plate 1 by judging the positions of the lower pulleys 11 of the carriage plate 7 in advance, the two pulleys 11 on the back and forth sliding can slide along the first guide slide way 6 at the corresponding positions, and as the direction of the first guide slide way 6 is consistent with the length direction of the bottom plate 1, the sliding direction of the pulleys 11 is always consistent with the length direction of the bottom plate 1 under the limit of the limit slide 6, in the process of connecting the carriage plate 7, the connecting frames 9 synchronously slide along with the carriage plate 7 by judging the positions of the fixing plates 15 under the connecting frames 9 in advance, the second guide slide way 14 is moved to the adapting positions of the fixing plates 15, so that the pulleys 11 can slide along the first guide slide way 6 along the corresponding positions of the first guide slide way 6, and the length direction of the two pulleys 11 are simultaneously matched with the length direction of the guide slide plate 1 along the length direction of the first guide slide way 1, and the length direction of the limit plate 1 is simultaneously, and the length direction of the two guide slide plate 11 is synchronously connected with the first guide slide way 1 along the length direction of the guide slide plate 1, and the length direction of the guide plate is consistent with the length direction of the guide plate 11, and the length direction is matched with the length direction of the lower guide plate is 1, the problem that the sliding direction of the vehicle plate 7 deviates to two sides on the route can not occur, so that the distance between the trundle assemblies 10 at two ends on the two connecting frames 9 and the corresponding side test plate 17 can not be changed, the trundle assemblies 10 at different positions and the corresponding side test plate 17 are ensured to be under the same sliding friction force, the deviation of the test environments of different trundle assemblies 10 is avoided, and the accuracy of the durability test result is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. A round trip caster durability testing device is characterized in that: including bottom plate (1), set up in frame (3) of bottom plate (1) top surface avris, symmetry can dismantle set up in two side test boards (17) of frame (3) top surface and can follow bottom plate (1) top surface round trip type gliding sweep (7) through the chain dish, four angle departments in sweep (7) bottom surface all can dismantle and rotate and be provided with pulley (11), all can dismantle in sweep (7) top surface symmetry position and be connected with link (9), link (9) both ends all can dismantle be connected with truckle subassembly (10) that can rotate the butt with side test board (17) side, link (9) bottom surface symmetry position all is provided with fixed plate (15), bottom plate (1) top surface is followed its width direction different synchronous sliding butt and is had two first direction slides (6), is located two pulleys (11) on sweep (7) round trip type slip direction can be followed one of them first direction slide (6), two first direction slides (6) are kept away from each other along bottom plate (1) width direction all can be provided with two direction slides (14) along two direction slides (14) and are followed two direction slide (14) and are located two and are all to slide.
2. The reciprocating caster endurance testing apparatus of claim 1, wherein: the novel telescopic lifting device is characterized in that a bidirectional air cylinder (4) is detachably arranged in the center of the top surface of the bottom plate (1), two side walls of the bidirectional air cylinder (4) are provided with a movable plate (5) through telescopic rods in a different-direction synchronous sliding mode, and the other surface of the movable plate (5) is detachably connected with a first guiding slide way (6) on the same side.
3. The reciprocating caster endurance testing apparatus of claim 1, wherein: limiting grooves (2) are formed in the symmetrical positions of the top surface of the bottom plate (1), and limiting blocks (20) capable of sliding along the limiting grooves (2) are connected to the matched positions of the bottom surface of the first guide slide way (6).
4. The reciprocating caster endurance testing apparatus of claim 1, wherein: the symmetrical positions of the two side walls of the first guide slide ways (6) which are far away from each other are connected with side limiting frames (12), and the bottom surface adapting positions of the second guide slide ways (14) are connected with sliding seats (13) which can slide along the side limiting frames (12).
5. The reciprocating caster endurance testing apparatus of claim 1, wherein: four corners on the top end of the vehicle plate (7) are provided with positioning seats (8), the connecting frame (9) is detachably arranged between the two positioning seats (8) on the width direction of the bottom plate (1), the center of the top surface of the vehicle plate (7) is provided with a placing frame (21) for placing balancing weights, and two side walls of the vehicle plate (7) on the reciprocating sliding direction are respectively provided with a traction frame (16) which can be connected with a chain plate in a rotating mode.
6. The reciprocating caster endurance testing apparatus of claim 4, wherein: the sliding seat (13) is in sliding connection with the side limiting frame (12) through a stud (18), and nuts (19) capable of locking the sliding seat (13) on the side limiting frame (12) are sleeved at two ends of the stud (18) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322573295.9U CN221037968U (en) | 2023-09-21 | 2023-09-21 | Reciprocating caster durability testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322573295.9U CN221037968U (en) | 2023-09-21 | 2023-09-21 | Reciprocating caster durability testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037968U true CN221037968U (en) | 2024-05-28 |
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ID=91187936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322573295.9U Active CN221037968U (en) | 2023-09-21 | 2023-09-21 | Reciprocating caster durability testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037968U (en) |
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2023
- 2023-09-21 CN CN202322573295.9U patent/CN221037968U/en active Active
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