Anti-static floor trundle wear resistance testing machine

Abstract

The utility model discloses an anti-static floor caster wear resistance testing machine, which comprises a test board, a placing plate and a PLC (programmable logic controller), a rotary test piece is arranged on the test board and comprises a driving motor and a test disc, a connecting rod is rotatably connected onto the placing plate through a shaft sleeve, and a positioning sleeve is sleeved on the connecting rod and is locked through a bolt. The connecting rod is sleeved with a plurality of weights and located at the top of the positioning sleeve, the bottom end of the connecting rod is rotationally connected with a flange plate, the bottom of the flange plate is connected with an installation plate through bolts, and three anti-static floor trundles are circumferentially arranged on the flange plate. When in use, the anti-static floor trundle is connected to the mounting disc, then downward force is applied to the anti-static floor trundle to press the anti-static floor trundle on the testing disc, and finally the testing disc is driven by the driving motor to rotate, so that the anti-static floor trundle rotates along with the testing disc, the anti-static floor trundle wear resistance test can be carried out, the operation is stable during the test, and the test efficiency is high. And actual working conditions can be simulated for testing.

Description

Technical Field

[0001] The utility model relates to the technical field of caster wear resistance testing, in particular to an anti-static floor caster wear resistance testing machine. Background Art

[0002] In the prior art, the wear resistance test and analysis of anti-static floor casters is conducted on the basis of ordinary rolling wear, but due to different specifications, this test does not meet the standard requirements, specifically, it does not meet the actual working conditions of the material, there are data deviations, and it cannot reflect the true characteristics of the material. The test data obtained is used in the production and use of materials, and the actual reference value is not high. To this end, we propose an anti-static floor caster wear tester that runs smoothly and can simulate actual working conditions for testing to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art mentioned in the background technology, and to propose an anti-static floor caster wear tester which runs smoothly and can simulate actual working conditions for testing.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The anti-static floor caster wear tester includes a test bench, a mounting plate and a PLC controller, wherein a rotating test piece is provided on the test bench, and the rotating test piece includes a driving motor and a test disk, a connecting rod is rotatably connected to the mounting plate through a shaft sleeve, a positioning sleeve is sleeved on the connecting rod and is locked by bolts, and a plurality of weights are sleeved on the connecting rod and are located on the top of the positioning sleeve, a flange is rotatably connected to the bottom end of the connecting rod, and a mounting disk is connected to the bottom of the flange by bolts, a screw is sleeved on the outer ring of the mounting disk, three anti-static floor casters are arranged circumferentially on the flange, and the anti-static floor casters are connected with a screw that passes through the mounting disk.

[0006] Preferably, a locking sleeve is provided on the outside of the screw connected to the antistatic floor caster through a threaded sleeve, and vertical tooth grooves are evenly formed on the outer ring of the locking sleeve, and the locking sleeve is used in conjunction with the screw member.

[0007] Preferably, the screwing part includes an outer ring, an inner gear ring is fixed on the inner ring of the outer ring near the top ring opening, and the inner gear ring is meshed and matched with the tooth groove on the outside of the locking sleeve, the outer ring is sleeved on the outer ring position of the mounting disk, and an anti-sliding block is fixed on the outer ring of the outer ring, the anti-sliding block can facilitate the staff to rotate the outer ring, and the inner gear ring is located on the top of the mounting disk.

[0008] Preferably, a cleaning piece is connected to the bottom of the mounting plate, and the cleaning piece includes a group of telescopic rods connected to the bottom of the mounting plate, and the protruding ends of one group of telescopic rods are connected to a cleaning knife, and the length of the cleaning knife is equal to the radius of the test disk. After a test is completed, the cleaning knife is driven downward by the telescopic rod and contacts the top of the test disk, and then the test disk is driven to rotate by the driving motor, so that the cleaning knife can clean the top of the test disk.

[0009] Preferably, a stabilizing member located outside the weight is provided on the top of the mounting plate, and the stabilizing member includes a mounting ring connected to the top of the mounting plate by bolts, and at least three baffles are arranged circumferentially on the top of the mounting ring, wherein the baffles are located outside the weight.

[0010] Preferably, the bottom of the mounting plate near the four corners are connected to support rods, and the bottoms of the four support rods are connected to the top of the test bench, so that the mounting plate is connected to the top of the test bench through the support rods, and the PLC controller is arranged on the top of the mounting plate and located on one side of the stabilizing member.

[0011] Preferably, the drive motor is connected to the top of the test bench, and the output shaft of the drive motor rotates through the test bench, and the test disc is connected to the output end of the output shaft and is located on the top of the test bench.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model has a simple structure. It only needs to connect the anti-static floor caster to the mounting plate, and then apply downward force to the anti-static floor caster to press it on the test plate. Finally, the test plate is driven to rotate by the driving motor, so that the anti-static floor caster follows the rotation, and the wear resistance test of the anti-static floor caster can be carried out. The test runs smoothly and can simulate the actual working conditions for testing.

[0014] 2. The utility model can conveniently clean the debris on the test disc to prevent it from affecting the next test. Specifically, the telescopic rod drives the cleaning knife downward and contacts the top of the test disc, and then drives the test disc to rotate through the driving motor. In this way, the cleaning knife can clean the top of the test disc, thereby cleaning up the impurities retained on the test disc during the test, which is convenient for the next test.

[0015] 3. The utility model can conveniently limit the weight to prevent the weight from shaking or even tilting and detaching during testing.

[0016] 4. The utility model also facilitates the disassembly of the anti-static floor caster. When disassembling, the screwing piece is rotated counterclockwise, and the screwing piece can drive the three locking sleeves to rotate at the same time, so as to screw the three locking sleeves off the screw rod, which facilitates the disassembly of the anti-static floor caster and the placement plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an axial view of the anti-static floor caster wear-resistance testing machine proposed by the utility model;

[0018] Figure 2 for Figure 1 Exploded view of the middle connecting rod and the mounting plate;

[0019] Figure 3 for Figure 2 Exploded view of the screwing part and mounting plate, weight and connecting rod;

[0020] Figure 4 for Figure 3 Schematic diagram of the upward viewing direction.

[0021] In the figure: 1. test bench; 2. placement plate; 3. drive motor; 4. test plate; 5. connecting rod; 51. bushing; 52. positioning sleeve; 53. flange; 6. mounting plate; 7. anti-static floor caster; 71. locking sleeve; 8. screwing piece; 81. outer ring; 811. anti-sliding block; 82. inner gear ring; 9. weight; 10. cleaning piece; 1010. cleaning knife; 1020. telescopic rod; 11. stabilizing piece; 1110. mounting ring; 1120. baffle. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Reference Figure 1-4 , anti-static floor caster wear tester, including a test bench 1, a placement plate 2 and a PLC controller, the bottom of the placement plate 2 near the four corners are connected with support rods, and the bottoms of the four support rods are connected to the top of the test bench 1, so that the placement plate 2 is connected to the top of the test bench 1 through the support rods, and the PLC controller is set on the top of the placement plate 2 and is located on one side of the stabilizing member 11;

[0027] A rotating test piece is provided on the test bench 1, and the rotating test piece includes a driving motor 3 and a test disk 4. The driving motor 3 is connected to the top of the test bench 1, and the output shaft of the driving motor 3 rotates through the test bench 1. The test disk 4 is connected to the output end of the output shaft and is located on the top of the test bench 1.

[0028] Reference Figure 1-4 , anti-static floor caster wear resistance testing machine, the placement plate 2 is rotatably connected with a connecting rod 5 through a shaft sleeve 51, a positioning sleeve 52 is sleeved on the connecting rod 5 and locked by bolts, and a number of weights 9 are sleeved on the connecting rod 5 and located on the top of the positioning sleeve 52, the bottom end of the connecting rod 5 is rotatably connected with a flange 53, and the bottom of the flange 53 is bolted to a mounting plate 6, a screw 8 is sleeved on the outer ring of the mounting plate 6, three anti-static floor casters 7 are arranged in a circle on the flange 53, and the anti-static floor casters 7 are connected with a screw that penetrates the mounting plate 6. When in use, the screw on the anti-static floor caster 7 is penetrated from the bottom of the mounting plate 6, and then A nut is provided on the screw rod through a threaded sleeve. The nut is tightened so that the anti-static floor caster 7 is locked at the bottom of the mounting plate 6. Then, different weights 9 are put on the connecting rod 5 as needed, so that the weights 9 exert different pressures downward on the top of the positioning sleeve 52. In this way, the positioning sleeve 52 drives the connecting rod 5 downward under the pressure of the weight 9, and the connecting rod 5 drives the anti-static floor caster 7 downward through the mounting plate 6, that is, it is pressed downward by pressure and contacts the top of the test plate 4. Then, the PLC controller controls the drive motor 3 to rotate, the drive motor 3 drives the test plate 4 to rotate, and the test plate 4 drives the caster to rotate, so as to perform a wear resistance test on the anti-static floor caster 7.

[0029] Reference Figure 1-4 , anti-static floor caster wear tester, the screw connected to the anti-static floor caster 7 is provided with a locking sleeve 71 through a threaded sleeve, and the outer ring of the locking sleeve 71 is evenly provided with vertical tooth grooves, and the locking sleeve 71 is used in conjunction with the screw member 8;

[0030] The screwing member 8 includes an outer ring 81, an inner gear ring 82 is fixed to the inner ring of the outer ring 81 near the top ring opening, and the inner gear ring 82 is meshed with the tooth groove outside the locking sleeve 71, the outer ring 81 is sleeved on the outer ring position of the mounting plate 6, and an anti-sliding block 811 is fixed to the outer ring of the outer ring 81, and the anti-sliding block 811 can facilitate the staff to rotate the outer ring 81, and the inner gear ring 82 is located at the top of the mounting plate 6. During assembly, the screw connected to the anti-static floor caster 7 is passed through the mounting plate 6 from the bottom of the mounting plate 6, and then the locking sleeve 71 is pre-screwed on the screw and located in the mounting plate Place the top of the mounting plate 6, then put the outer ring 81 on the outer ring of the mounting plate 6, so that the inner gear ring 82 is at the top of the mounting plate 6 and is located outside the three locking sleeves 71, then rotate the outer ring 81 clockwise, and make the inner gear ring 82 drive the three locking sleeves 71 to rotate at the same time, so that the locking sleeves 71 are tightened on the screw rod at the same time, so as to facilitate the connection of the anti-static floor caster 7 to the bottom of the mounting plate 6. When disassembling, rotate the screw part 8 counterclockwise to unscrew the three locking sleeves 71 from the screw rod at the same time, so as to facilitate the disassembly of the anti-static floor caster 7 and the mounting plate 6.

[0031] Reference Figure 1-4 , anti-static floor caster wear testing machine, a cleaning piece 10 is connected to the bottom of the placement plate 2, and the cleaning piece 10 includes a group of telescopic rods 1010 connected to the bottom of the placement plate 2, and a group of telescopic rods 1010 are connected to the protruding ends of a cleaning knife 1020, and the length of the cleaning knife 1020 is equal to the radius of the test disk 4. After a test is completed, the cleaning knife 1020 is driven downward by the telescopic rod 1010 and contacts the top of the test disk 4, and then the test disk 4 is driven to rotate by the driving motor 3, so that the cleaning knife 1020 can clean the top of the test disk 4, thereby cleaning up the impurities trapped in the test disk 4 during the test, which is convenient for the next test.

[0032] Reference Figure 1-4 , anti-static floor caster wear resistance testing machine, a stabilizing member 11 located outside the weight 9 is provided on the top of the placement plate 2, the stabilizing member 11 includes a mounting ring 1110 connected to the top of the placement plate 2 by bolts, and at least three baffles 1120 are arranged in a circle on the top of the mounting ring 1110, wherein the baffle 1120 is located outside the weight 9, which can prevent the weight 9 from tilting or shaking, or even falling off, thereby ensuring the stability of the weight 9 when used.

[0033] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

[0034] In the description of the present invention, it is necessary to understand that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Claims

1. Antistatic floor caster wear tester, including a test bench (1), a mounting plate (2) and a PLC controller, characterized in that: The test bench (1) is provided with a rotating test piece, and the rotating test piece includes a driving motor (3) and a test disc (4); a connecting rod (5) is rotatably connected to the placement plate (2) through a shaft sleeve (51); a positioning sleeve (52) is sleeved on the connecting rod (5) and is locked by bolts; a plurality of weights (9) are sleeved on the connecting rod (5) and are located on the top of the positioning sleeve (52); a flange (53) is rotatably connected to the bottom end of the connecting rod (5); a mounting disc (6) is bolted to the bottom of the flange (53); a screwing piece (8) is sleeved on the outer ring of the mounting disc (6); three antistatic floor casters (7) are circumferentially arranged on the flange (53); and the antistatic floor casters (7) are connected to screws that penetrate the mounting disc (6).

2. The anti-static floor caster wear tester according to claim 1 is characterized in that: The screw rod connected to the antistatic floor caster (7) is provided with a locking sleeve (71) on the outside through a threaded sleeve, and the outer ring of the locking sleeve (71) is evenly provided with vertical tooth grooves.

3. The anti-static floor caster wear tester according to claim 1, characterized in that: The screwing member (8) comprises an outer ring (81), an inner gear ring (82) is fixed at a position of the inner ring of the outer ring (81) near the top ring opening, and the inner gear ring (82) is meshed with the tooth groove outside the locking sleeve (71), the outer ring (81) is sleeved on the outer ring position of the mounting plate (6), and an anti-sliding block (811) is fixed to the outer ring of the outer ring (81), and the inner gear ring (82) is located at the top of the mounting plate (6).

4. The anti-static floor caster wear tester according to claim 1, characterized in that: A cleaning piece (10) is connected to the bottom of the placement plate (2), and the cleaning piece (10) comprises a group of telescopic rods (1010) connected to the bottom of the placement plate (2), and a cleaning knife (1020) is connected to the extended end of the group of telescopic rods (1010).

5. The anti-static floor caster wear tester according to claim 1, characterized in that: A stabilizing member (11) located outside the weight (9) is provided on the top of the placement plate (2), and the stabilizing member (11) comprises a mounting ring (1110) connected to the top of the placement plate (2) by bolts, and at least three baffles (1120) are arranged in a circumferential manner on the top of the mounting ring (1110), and the baffles (1120) are located outside the weight (9).

6. The anti-static floor caster wear tester according to claim 1, characterized in that: The bottom of the placement plate (2) is connected to support rods near the four corners, and the bottoms of the four support rods are connected to the top of the test bench (1). The placement plate (2) is connected to the top of the test bench (1) through the support rods, and the PLC controller is arranged on the top of the placement plate (2) and is located on one side of the stabilizing member (11).

7. The anti-static floor caster wear tester according to claim 1, characterized in that: The drive motor (3) is connected to the top of the test bench (1), and the output shaft of the drive motor (3) rotates and passes through the test bench (1), and the test disc (4) is connected to the output end of the output shaft and is located on the top of the test bench (1).

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