CN219319932U - Floor truckle abrasion testing device - Google Patents

Abstract

The utility model discloses a floor caster abrasion testing device which comprises a frame, a motor fixedly arranged on the frame, a transmission device arranged on the frame and connected with the motor, and a testing platform arranged on the frame and connected with the transmission device; the pressure regulating device is connected with the transmission device and is provided with a test castor; the pressure regulating device comprises a gas-liquid pressurizing cylinder arranged at the top of the frame. According to the utility model, through the arrangement of the pressure adjusting device, the existing mode of adjusting the pressure exerted by the trundles on the floor by changing the weight is changed into the mode of adjusting the pressure exerted by the trundles on the floor by the gas-liquid pressurizing cylinder, the range of the pressure exerted by the gas-liquid pressurizing cylinder is 1-200 tons, and the pressure of the trundles on the floor when the common AGV is loaded is met, so that the requirement of abrasion resistance test of the floor used by the AGV can be met.

Description

Floor truckle abrasion testing device

Technical Field

The utility model relates to the field of floor tests, in particular to a floor caster abrasion testing device.

Background

With technological progress and economic development, AGV commodity circulation warehouse system is in wide application in the workshop, and because the AGV dolly is when the transportation, AGV dolly load all is several tons or even tens tons, so when the floor material that the AGV dolly was used is selected, the wear resistance on floor is the focus that the purchasers focused on always, and the purchasers all hope the floor of purchasing can durable when purchasing and using the floor, difficult wearing and tearing. Therefore, before the floor is selected, knowing the wear resistance of the floor is particularly important for the floor.

The prior publication number is CN206431001U, the patent name is Chinese patent utility model of a floor abrasion resistance testing machine, which already discloses equipment required by floor abrasion resistance testing, but the equipment is used for adjusting the pressure of casters to the floor through weights and is far smaller than the pressure of an AGV trolley to the floor under a load state, so that the equipment is used for abrasion resistance testing of the floor used by the AGV trolley, and the floor abrasion can not be simulated when the AGV trolley runs under the load condition, so that the accuracy of the floor abrasion resistance testing is low. Therefore, the utility model provides a floor caster wear testing device.

Disclosure of Invention

The utility model aims to provide a floor caster abrasion testing device, wherein the pressure of casters can reach the pressure of the casters to the floor when an AGV trolley is transported, and the floor for the AGV trolley is subjected to abrasion testing, so that the problem that the existing abrasion testing equipment in the background art is that the pressure of casters to the floor is regulated through weights and is far smaller than the pressure of the floor in the load state of the AGV trolley is solved, so that the floor used by the AGV trolley is subjected to abrasion testing through the equipment, and the floor is abraded when the AGV trolley cannot be driven under the load condition of simulating the AGV trolley, so that the accuracy of the abrasion testing to the floor is low.

In order to achieve the aim, the utility model provides a floor caster abrasion testing device which comprises a frame, a motor fixedly arranged on the frame, a transmission device arranged on the frame and connected with the motor, and a testing platform arranged on the frame and connected with the transmission device; the pressure regulating device is connected with the transmission device and is provided with a test castor; the pressure regulating device comprises a gas-liquid pressurizing cylinder arranged at the top of the frame.

Optionally, the pressure regulating device further comprises a rotating shaft, a caster connecting seat and a caster connecting seat, wherein one end of the rotating shaft is connected with a gas-liquid pressurizing cylinder arranged at the top of the frame, and the rotating shaft is connected with the transmission device; the test castor is installed in the castor connecting seat bottom.

Optionally, a shaft sleeve corresponding to the gas-liquid pressurizing cylinder is arranged at the top of the frame; a deep groove ball bearing is arranged on the gas-liquid pressurizing cylinder; the rotating shaft is provided with a mounting hole matched with the deep groove ball bearing; and a driven gear connected with a transmission device is arranged on the rotating shaft.

Optionally, a limiting ring contacted with the top of the deep groove ball bearing is arranged on the gas-liquid pressurizing cylinder; a limiting plate contacted with the bottom of the deep groove ball bearing is arranged on the gas-liquid pressurizing cylinder; and a first thrust bearing contacted with the bottom of the limiting plate is arranged in the mounting hole.

Optionally, a baffle ring is arranged on the rotating shaft, and a plunger is arranged on the baffle ring; the driven gear is provided with a jack matched with the inserted column; and a pressure detection structure is also arranged in the frame.

Optionally, the pressure detection structure comprises a detection ring column arranged in the frame, a mounting groove which is arranged on the detection ring column and corresponds to the baffle ring, and a force transducer arranged in the mounting groove.

Optionally, a second thrust bearing is installed in the installation groove; a spring contacted with the bottom of the baffle ring is arranged in the detection ring column; according to the utility model, through the arrangement of the springs, when the gas-liquid booster cylinder is contracted after the test is finished, the springs can push the baffle ring to move towards the direction of the gas-liquid booster cylinder, the baffle ring drives the rotating shaft to move, the rotating shaft drives the caster connecting seat to move, the caster connecting seat drives the caster to move, and the caster is separated from the floor to be tested, so that the floor to be tested can be replaced.

Optionally, an oil tank is arranged on the frame, and an oil guide pipe facing the driven gear is arranged at the bottom of the oil tank; an oil return tank is arranged on the frame, an oil return pipe connected with the oil tank is arranged at the bottom of the oil return tank, and an oil pump arranged on the frame is connected to the oil return pipe; an oil return groove communicated with the oil return box is arranged on the frame; according to the utility model, the driving gear and the driven gear are lubricated through the arrangement of the oil tank and the oil guide pipe, so that the driving gear and the driven gear are protected.

Optionally, the transmission device comprises a first transmission shaft connected with the test platform and a second transmission shaft connected with the first transmission shaft and the driven gear; a type block is arranged on the side surface of the test platform, and a locking bolt is arranged at the top of the type block; the utility model can fix the floor to be tested by arranging the type block and the locking bolt.

Optionally, a driving gear and a driving sprocket meshed with the driven gear are respectively arranged at two ends of the second transmission shaft; the first transmission shaft is provided with a driven sprocket which is positioned on the same plane with the driving sprocket; the driving chain wheel is provided with a chain connected with the driven chain wheel.

Compared with the prior art, the utility model provides a floor caster abrasion testing device, which has the following beneficial effects:

this floor truckle wearing and tearing testing arrangement, through pressure adjusting device's setting, how much to adjust the truckle through changing the weight with current mode of applying pressure size to the floor, change into through the size that the truckle was applyed to the floor to the gas-liquid pressure cylinder, the pressure range that the gas-liquid pressure cylinder can be applyed is 1~200 tons, the pressure of truckle to the floor when having satisfied general AGV dolly load to can satisfy the demand that the floor that the AGV dolly used carries out the abrasion resistance test.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a cross-sectional view of the overall structure of the present utility model;

FIG. 4 is an enlarged view of a portion of the utility model at B in FIG. 3;

FIG. 5 is an enlarged view of a portion of the utility model at C in FIG. 3;

fig. 6 is a schematic structural view of the driven gear of the present utility model.

The marks in the figure are as follows: 1. a frame; 11. a motor; 12. a shaft sleeve; 13. an oil return groove; 2. a transmission device; 21. a first drive shaft; 22. a second drive shaft; 221. a drive gear; 222. a drive sprocket; 23. a chain; 3. a test platform; 31. block; 32. a locking bolt; 4. a pressure regulating device; 41. a gas-liquid pressurizing cylinder; 411. deep groove ball bearings; 412. a limiting ring; 413. a limiting plate; 42. a rotation shaft; 421. a mounting hole; 422. a driven gear; 423. a first thrust bearing; 424. a baffle ring; 425. inserting a column; 426. a jack; 43. a castor connecting seat; 5. testing casters; 6. a pressure detection structure; 61. detecting a loop column; 62. a mounting groove; 63. a load cell; 64. a second thrust bearing; 65. a spring; 7. an oil tank; 71. an oil guide pipe; 72. an oil return tank; 73. an oil return pipe; 74. an oil pump.

Detailed Description

The following detailed description is made with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly generalized by those skilled in the art without departing from the spirit of the utility model and, therefore, the present utility model is not to be limited by the specific embodiments disclosed below.

The floor abrasion testing device disclosed by the utility model can be suitable for occasions for performing abrasion resistance tests on floors used by AGV trolleys, and can be certainly used for other similar application scenes, and a floor caster abrasion testing device is described in detail below.

Referring to fig. 1-6, there is shown a schematic structural diagram of a preferred embodiment of a floor caster wear testing apparatus of the present utility model. The floor caster abrasion testing device comprises a frame 1, a motor 11 fixedly arranged on the frame 1, a transmission device 2 arranged on the frame 1 and connected with the motor 11, and a testing platform 3 arranged on the frame 1 and connected with the transmission device 2; wherein, the frame 1 is also provided with a pressure adjusting device 4 connected with the transmission device 2, and the pressure adjusting device 4 is provided with a test castor 5; the pressure regulating device 4 comprises a gas-liquid pressure cylinder 41 arranged at the top of the frame 1; according to the utility model, through the arrangement of the pressure adjusting device 4, the pressure of the trundles 5 to the test floor is adjusted by using the gas-liquid booster cylinder 41, so that the AGV trolley is simulated to run on the ground under the condition of load, the device can perform abrasion resistance test on the floor used by the AGV trolley, and the test result is more close to reality and more accurate.

Referring to fig. 1-5, in the present utility model, the pressure adjusting device 4 further comprises a rotating shaft 42 with one end connected to a gas-liquid pressurizing cylinder 41 installed at the top of the frame 1 and connected to the transmission device 2, a caster connecting seat 43 installed at the other end of the rotating shaft 42, and the test caster 5 is installed at the bottom of the caster connecting seat 43; wherein, the top of the frame 1 is provided with a shaft sleeve 12 corresponding to the gas-liquid booster cylinder 41, the gas-liquid booster cylinder 41 is provided with a deep groove ball bearing 411, the rotating shaft 42 is provided with a mounting hole 421 matched with the deep groove ball bearing 411, and the rotating shaft 42 is provided with a driven gear 422 connected with the transmission device 2 through key connection; according to the utility model, through the arrangement of the rotating shaft 42, the gas-liquid booster cylinder 41 transmits pressure to the rotating shaft 42, the rotating shaft 42 transmits the pressure to the trundle connecting seat 43, and finally the pressure is transmitted to the trundle 43 and is connected with the transmission device 2, so that the rotating shaft 2 drives the trundle connecting seat 43 to rotate, the trundle connecting seat 43 drives the trundle 5 to rotate, the situation of AGV load carrying is simulated, and the authenticity of a test result is improved; the telescopic shaft of the gas-liquid booster cylinder 41 is guided by the arrangement of the shaft sleeve 12; through the arrangement of the deep groove ball bearings 411, the rotating shaft 42 can rotate relative to the gas-liquid booster cylinder 41, and when the transmission device 2 drives the rotating shaft 42 to rotate, the gas-liquid booster cylinder 41 cannot rotate, so that the synchronous rotation of the gas-liquid booster cylinder 41 is avoided; by the arrangement of the mounting holes 421, the deep groove ball bearing 411 is avoided.

Referring to fig. 3-6, in the present utility model, a limiting ring 412 contacting with the top of a deep groove ball bearing 411 is provided on a gas-liquid booster cylinder 41, a limiting plate 413 contacting with the bottom of the deep groove ball bearing 411 is mounted on the gas-liquid booster cylinder 41 through two bolts, and a first thrust bearing 423 contacting with the bottom of the limiting plate 413 is mounted in a mounting hole 421; the rotating shaft 42 is provided with a baffle ring 424, the baffle ring 424 is provided with a plug column 425, the driven gear 422 is provided with a jack 426 matched with the plug column 425, and the frame 1 is internally provided with a pressure detection structure 6; according to the utility model, the position of the deep groove ball bearing 411 is limited by the arrangement of the limiting ring 412, and the outer diameter of the limiting plate 413 is set to be larger than the diameter of the telescopic rod of the gas-liquid booster cylinder 41 by matching with the limiting plate 413, so that the limiting plate 413 can limit the position of the deep groove ball bearing 411 and prevent the deep groove ball bearing from being separated from the telescopic rod of the gas-liquid booster cylinder 41; by the arrangement of the first thrust bearing 423, the telescopic rod of the gas-liquid booster cylinder 41 and the bottom of the mounting hole 421 at the top of the rotating shaft 42 can relatively rotate, so that abrasion caused by friction between the bottom of the telescopic rod of the gas-liquid booster cylinder 41 and the bottom of the mounting hole 421 when the rotating shaft 42 rotates is avoided, and the gas-liquid booster cylinder 41 and the rotating shaft 42 are protected; the driven gear 422 is limited by the provision of the retainer ring 424.

Referring to fig. 3 to 5, in the present utility model, the pressure detecting structure 6 includes a detecting ring post 61 installed in the frame 1, an installation groove 62 provided on the detecting ring post 51 corresponding to the baffle ring 424, and a load cell 63 installed in the installation groove 62; wherein, a second thrust bearing 64 is arranged in the mounting groove 62, and a spring 65 which is contacted with the bottom of the baffle ring 424 is arranged in the detection ring column 61; the utility model can detect the pressure of the gas-liquid booster cylinder 41 on the rotating shaft 42 through the arrangement of the pressure detection structure 6, so that the pressure of the gas-liquid booster cylinder 41 on the rotating shaft 42 reaches the specified pressure, the pressure of the caster wheel 5 reaches the specified pressure, the force cell sensor 63 is connected with an external PLC controller, a worker can know the pressure on the caster wheel 5, and the gas-liquid booster cylinder 41 can be regulated to reach the specified pressure required by the worker; by arranging the second thrust bearing 64, the rotating shaft 42 and the detection ring post 61 can relatively rotate, and when the rotating shaft 42 rotates, the detection ring post 61 and the rotating shaft 42 cannot rub, but the second thrust bearing 64 rotates, so that the detection ring post 61 and the rotating shaft 42 are protected; through the arrangement of the springs 65, the caster connecting seat 43 and the casters can be lifted and lowered, so that the floor on the test platform 3 can be replaced.

Referring to fig. 1-4, in the present utility model, an oil tank 7 is installed on a frame 1, and an oil guide pipe 71 facing a driven gear 422 is installed at the bottom of the oil tank 7; a filter screen is arranged at the oil inlet of the oil guide pipe 71 to filter impurities in the lubricating oil; the frame 1 is also provided with an oil return tank 72, the bottom of the oil return tank 72 is provided with an oil return pipe 73 connected with the oil tank 7, and the oil return pipe 73 is connected with an oil pump 74 arranged on the frame 1; according to the utility model, through the arrangement of the oil tank 7 and the oil guide pipe 71, lubricating oil is guided to the meshing position of the driving gear 222 and the driven gear 422, and the driving gear 222 and the driven gear 422 are lubricated; by arranging the oil return tank 72 and the oil return pipe 73, the excessive lubricating oil can be recovered and reused, and the cost is reduced.

Referring to fig. 1-3, in the present utility model, a transmission device 2 includes a first transmission shaft 21 connected to a test platform 3, and a second transmission shaft 22 connected to the first transmission shaft 21 and a driven gear 422; a type block 31 is arranged on the side surface of the test platform 3, and a locking bolt 32 is arranged at the top of the type block 31; wherein, the driving gear 221 and the driving sprocket 222 meshed with the driven gear 422 are installed at both ends of the second transmission shaft 22; the first transmission shaft 21 is provided with a driven sprocket 211 which is positioned on the same plane with the driving sprocket 222; the driving sprocket 222 is provided with a chain 23 connected with the driven sprocket 211; according to the utility model, the floor on the test platform 3 can be fixed by arranging the type block 31 and matching with the locking bolt 32; in the present utility model, the spring 65 is in the original state, the distance between the bottom surface of the driving gear 221 and the top surface of the baffle ring 424 is greater than the distance between the bottom surface of the driven gear 411 and the top surface of the baffle ring 424, and the distance between the bottom surface of the baffle ring 424 and the top surface of the second thrust bearing 64 is smaller than the distance between the top surface of the driven gear 411 and the top surface of the driving gear 221.

Referring to fig. 1-6, the use process of the utility model is as follows: firstly, a floor to be tested is mounted on a test platform 3 and is fixed by a locking bolt 32; then, the gas-liquid booster cylinder 41 is started, the telescopic rod of the gas-liquid booster cylinder 41 moves towards the direction of the rotating shaft 42 to drive the rotating shaft 42 to move, the rotating shaft 42 drives the baffle ring 424 and the trundle connecting seat 43 to move towards the test platform 3, the baffle ring 424 presses the spring 65 to compress the spring 65, meanwhile, the rotating shaft 42 drives the driven gear 422 to move, and the trundle connecting seat 43 drives the trundle 5 to move until the trundle 5 contacts with the top surface of the floor to be tested, and at the moment, the baffle ring 424 contacts with the top of the second thrust bearing 64; then, the gas-liquid booster cylinder 41 continues to be pressurized, the side force sensor 63 measures the increased pressure, and when the pressure measured by the force sensor 63 reaches the required pressure, the gas-liquid booster cylinder 41 stops pressurizing and maintains the pressure; then, the motor 11 starts to work, drives the first transmission shaft 21 to rotate, the second transmission shaft 22 drives the driving gear 221 and the driving sprocket 222 to rotate, the driving gear 221 drives the driven gear 422 meshed with the driving gear 221 to rotate, the driving sprocket 222 drives the driven sprocket 211 to rotate through the chain 23, the driven sprocket 211 drives the first transmission shaft 21 to rotate, the first transmission shaft 21 drives the test platform 3 to rotate, the test platform 3 drives the floor to be tested to rotate, the driving gear 221 drives the rotation shaft 42 to rotate, the rotation shaft 42 drives the caster connecting seat 43 to rotate, the caster connecting seat 43 drives the caster 5 to rotate, and therefore abrasion of the floor during transportation of the AGV trolley is simulated, and abrasion resistance of the floor is tested.

Claims (10)

1. The floor caster abrasion testing device comprises a frame (1), a motor (11) fixedly arranged on the frame (1), a transmission device (2) arranged on the frame (1) and connected with the motor (11), and a test platform (3) arranged on the frame (1) and connected with the transmission device (2); the device is characterized in that the frame (1) is also provided with a pressure adjusting device (4) connected with the transmission device (2), and the pressure adjusting device (4) is provided with a test castor (5); the pressure regulating device (4) comprises a gas-liquid pressurizing cylinder (41) arranged at the top of the frame (1).

2. The floor caster wear testing device according to claim 1, wherein the pressure adjusting device (4) further comprises a rotating shaft (42) having one end connected to a gas-liquid pressurizing cylinder (41) installed at the top of the frame (1) and connected to the transmission device (2), and a caster connecting seat (43) installed at the other end of the rotating shaft (42); the test castor (5) is arranged at the bottom of the castor connecting seat (43).

3. The floor caster wear testing device according to claim 2, wherein a shaft sleeve (12) corresponding to the gas-liquid booster cylinder (41) is installed on the top of the frame (1); a deep groove ball bearing (411) is arranged on the gas-liquid pressurizing cylinder (41); the rotating shaft (42) is provided with a mounting hole (421) which is matched with the deep groove ball bearing (411); the rotary shaft (42) is provided with a driven gear (422) connected with the transmission device (2).

4. A floor caster wear testing device according to claim 3, wherein the gas-liquid booster cylinder (41) is provided with a limit ring (412) contacting the top of the deep groove ball bearing (411); a limiting plate (413) contacted with the bottom of the deep groove ball bearing (411) is arranged on the gas-liquid pressurizing cylinder (41); a first thrust bearing (423) contacting with the bottom of the limiting plate (413) is arranged in the mounting hole (421).

5. A floor caster wear testing device according to claim 3, wherein a stop ring (424) is provided on the rotation shaft (42), and a plug (425) is provided on the stop ring (424); the driven gear (422) is provided with an inserting hole (426) matched with the inserting column (425); and a pressure detection structure (6) is also arranged in the frame (1).

6. The floor caster wear testing apparatus according to claim 5, wherein the pressure detecting structure (6) comprises a detecting ring post (61) installed in the frame (1), a mounting groove (62) provided on the detecting ring post (61) corresponding to the stopper ring (424), and a load cell (63) installed in the mounting groove (62).

7. The floor caster wear testing apparatus of claim 6, wherein a second thrust bearing (64) is mounted in said mounting groove (62); and a spring (65) contacted with the bottom of the baffle ring (424) is arranged in the detection ring column (61).

8. The floor caster wear testing device according to claim 5, wherein an oil tank (7) is mounted on the frame (1), and an oil guide pipe (71) facing the driven gear (422) is mounted at the bottom of the oil tank (7); an oil return tank (72) is arranged on the frame (1), an oil return pipe (73) connected with the oil tank (7) is arranged at the bottom of the oil return tank (72), and an oil pump (74) arranged on the frame (1) is connected to the oil return pipe (73); an oil return groove (13) communicated with the oil return box (72) is arranged on the frame (1).

9. -floor castor wear testing device according to claim 1 or 3, characterized in that the transmission means (2) comprise a first transmission shaft (21) connected to the test platform (3), a second transmission shaft (22) connected to the first transmission shaft (21) and to the driven gear (422); a type block (31) is arranged on the side face of the test platform (3), and a locking bolt (32) is arranged on the top of the type block (31).

10. The floor caster wear testing device according to claim 9, wherein both ends of the second transmission shaft (22) are respectively provided with a driving gear (221) and a driving sprocket (222) which are engaged with the driven gear (422); the first transmission shaft (21) is provided with a driven sprocket (211) which is positioned on the same plane with the driving sprocket (222); the driving sprocket (222) is provided with a chain (23) connected with the driven sprocket (211).

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