Abrasion test equipment for multidirectional dynamic loading sealing rubber ring

Abstract

The invention relates to the technical field of friction performance testing equipment, in particular to multidirectional dynamic loading sealing rubber ring wear resistance testing equipment which comprises a testing box, a base plate is arranged at the bottom of the testing box in a sliding mode through an adjusting rod, and a plurality of testing cylinders are installed on the top of the base plate in the length direction. A mounting plate is fixed between two opposite side walls in the test box, a plurality of rotating shafts are rotatably arranged on the mounting plate in a penetrating manner in the length direction, one end, penetrating through the mounting plate, of each rotating shaft extends into the test cylinder, and the bottom of one end, extending into the test cylinder, of each rotating shaft is in threaded sleeve connection with a sliding sleeve; an anti-rotation mechanism is arranged between the sliding sleeve and the testing cylinder, a second fixing sleeve is rotationally arranged on the outer side of the sliding sleeve, and a rubber ring positioning mechanism is arranged on the second fixing sleeve. The rubber ring friction testing device can conduct friction testing on a rubber ring in multiple modes, the testing mode of the rubber ring is expanded, and the range breadth of a testing result is improved; therefore, an accurate friction test result is obtained.

Description

Technical Field

[0001] The invention relates to the technical field of friction performance testing equipment, in particular to multi-directional dynamic loading sealing rubber ring wear resistance testing equipment. Background Art

[0002] Rubber is often used as a sealing material due to its excellent elasticity, such as gaskets, O-rings, leather cups, oil seals, valves, etc. Rubber sealing materials are widely used in the fields of automobiles, engineering machinery, electronic equipment, household goods, etc., playing an important role in blocking and preventing leakage and foreign matter from entering the system. However, when rubber interacts with other engineering materials, it often exhibits very high friction, and the working environment of seals is mostly in a dynamic sliding state. Rubber wear is inevitable under dynamic operating conditions, which can eventually lead to premature failure of rubber, greatly affecting the life of the machine and the safety of equipment use.

[0003] Therefore, the wear resistance test of the rubber ring is a necessary operation when the rubber ring is used. The existing Chinese patent publication number is CN114047056A, which is a device and method for testing the surface tribological properties of a rubber ring. The device mainly adjusts the speed of a DC motor so that the vibration of the push rod drives the test head to vibrate up and down at different frequencies, thereby obtaining changes in the friction and wear of the test rubber ring under different movement frequencies. In the actual use of the rubber ring, simple up and down friction is only a single aspect of the wear of the rubber ring. The test data obtained only from this has limitations. In the field of wear resistance testing, the test method of simple up and down friction is more common. The detected data is generated by the simple up and down friction of the rubber ring inside the test tube, which has one-sidedness in the use environment, and the accuracy of the wear resistance test data obtained from this is one-sided.

[0004] In view of such a situation, the present invention provides a multi-directional dynamic loading sealing rubber ring wear test device for the purpose of obtaining accurate data of the rubber ring wear test by performing multi-directional and multi-range friction tests on the rubber ring. Summary of the invention

[0005] In response to the above problems, the present application provides a multi-directional dynamic loading sealing rubber ring wear test device, which solves the problem that the rubber ring wear test data mentioned in the above background technology is one-sided and the data measurement range is not wide.

[0006] The technical solution of the present invention is: a multi-directional dynamic loading sealing rubber ring wear test equipment, including a test box, an observation window is opened on the test box, a base plate is slidably arranged at the bottom of the test box through an adjusting rod, a plurality of test cylinders are installed on the top of the base plate along the length direction, a mounting plate is fixed between the two opposite side walls inside the test box, a plurality of rotating shafts are rotatably arranged on the mounting plate along the length direction, a transmission mechanism is arranged between the rotating shaft and the test box, the position of the rotating shaft corresponds to the position of the test cylinder one by one, and one end of the rotating shaft passing through the mounting plate extends into the interior of the test cylinder, and the rotating shaft extends into the test cylinder. A sliding sleeve is threadedly sleeved on the bottom of one end of the test cylinder, an anti-rotation mechanism is arranged between the sliding sleeve and the test cylinder, a second fixed sleeve is rotatably arranged on the outer side of the sliding sleeve, a rubber ring positioning mechanism is arranged on the second fixed sleeve, and the first fixed sleeve is sleeved on the rotating shaft located above the second fixed sleeve, wherein: a transmission mechanism is arranged to drive the rotation of the rotating shaft arranged on the mounting plate; a rubber ring positioning mechanism is arranged to clamp and position the rubber ring to facilitate the wear resistance test of the rubber ring; an anti-rotation mechanism is arranged to prevent the sliding sleeve from rotating inside the test cylinder.

[0007] Preferably, the transmission mechanism includes a transmission shaft, a first bevel gear, a drive motor and a second bevel gear, the drive motor is mounted on an inner wall of one side of the test box, the transmission shaft is mounted on the output end of the drive motor, and the first bevel gears are evenly arranged along the length direction of the transmission shaft, the second bevel gear is mounted on the top of the rotating shaft, the first bevel gear is mounted on the top of the rotating shaft, and the position of the first bevel gear on the mounting plate corresponds one-to-one to the position of the first bevel gear on the transmission shaft, and the corresponding second bevel gear is meshed with the corresponding first bevel gear.

[0008] Preferably, the rubber ring positioning mechanism includes a driven gear, a limiting groove, a bidirectional stud, a clamping plate and a limiting ring, the limiting groove is opened circumferentially along the side wall of the second fixed sleeve, and the bidirectional stud is rotatably arranged inside the limiting groove, and the driven gear is installed on the end of the bidirectional stud extending out of the limiting groove, the limiting ring is slidably sleeved on both sides of the second fixed sleeve, the limiting ring is not connected to the inner wall of the test tube, and the clamping plate is circumferentially arranged along the inner wall of the limiting ring, and the position of the clamping plate corresponds to the position of the limiting groove, and the side of the clamping plate opposite to the limiting groove is threadedly connected to the bidirectional stud, and an adjustment mechanism is arranged between the driven gear and the second fixed sleeve and the rotating shaft.

[0009] Preferably, the inner side wall of the limiting ring is slidably connected to the outer side wall of the second fixing sleeve.

[0010] Preferably, the adjustment mechanism includes a first fixed sleeve, a base ring, a rotation control unit, a first telescopic column, an adjustment ring, an adjustment tooth ring, an adjustment groove, a driven gear and a stop unit. The first fixed sleeve is installed on the outside of the sliding sleeve, and the first fixed sleeve is located above the second fixed sleeve. The base ring is rotatably arranged at the top of the first fixed sleeve, and the rotation control unit is arranged between the base ring and the rotation shaft. The first telescopic column is circumferentially arranged along the bottom of the base ring, and the adjustment ring is installed at the bottom of the first telescopic column through a fixed block. The adjustment groove is opened at the junction of the top of the second fixed sleeve and the sliding sleeve, the adjustment tooth ring is installed at the bottom of the adjustment ring, the driven gear is circumferentially rotatably arranged on the top of the second fixed sleeve through a fixed rod, and the bottom of the fixed rod passes through the second fixed sleeve and is fixedly connected to the end of the bidirectional stud, the driven gear is meshed with the adjustment tooth ring, and the adjustment tooth ring extends into the adjustment groove, and the stop unit is arranged between the adjustment ring and the driven gear.

[0011] Preferably, the depth of the adjustment groove is greater than the height of the driven gear, and the adjustment range of the first telescopic column is smaller than the height difference between the adjustment groove and the driven gear.

[0012] Preferably, the rotation control unit includes a clamping ring, a second telescopic column, a positioning ring, a clamping block, a second clamping groove, a rotating ring, a first clamping groove and a covering groove. The second telescopic column is installed on both sides of the top of the base ring, the clamping ring is installed between the tops of the second telescopic columns through a support block, and the clamping block is circumferentially arranged along the bottom of the clamping ring, the positioning ring is installed on the inner side wall of the base ring, and the covering groove is opened in the middle part of the inner side wall of the positioning ring, the second clamping groove starts evenly along the circumference of the top of the positioning ring, and the bottom of the second clamping groove is connected to the covering groove, the rotating ring is installed on the rotating shaft, and the first clamping groove is evenly opened along the circumference of the rotating ring, and the rotating ring is clamped into the inside of the covering groove.

[0013] Preferably, the structural dimensions of the rotating ring match those of the covering groove, and the cross-sectional structures of the first slot, the block and the second slot are the same, and the height of the block is greater than the sum of the depths of the first slot and the second slot.

[0014] Preferably, the anti-rotation unit includes a locking column and a locking groove, the locking groove is opened at the top of the driven gear, the locking column is arranged circumferentially along the bottom of the block, the locking column is located outside the adjusting gear ring, and the bottom of the locking column is a conical structure.

[0015] Preferably, the anti-rotation mechanism includes an anti-slip groove and a limit block, the anti-slip groove starts on the inner wall of the bottom of the test tube, and the limit block is installed at the bottom of the sliding sleeve, and the limit block is inserted into the anti-slip groove, and the height of the anti-slip groove is greater than the height adjustment range of the sliding sleeve when the rotating shaft rotates.

[0016] The beneficial effects of the present invention are as follows:

[0017] (1) The multi-directional dynamic loading sealing rubber ring wear test equipment described in the present invention drives the transmission shaft to rotate through the driving motor, and then drives the rotating shaft to rotate through the meshing of the first bevel gear and the second bevel gear, and finally through the threaded connection with the sliding sleeve, the sliding sleeve slides inside the test cylinder, so that the rubber ring and the inner wall of the test cylinder generate up and down friction, and the wear test operation is carried out. In addition, through the sliding base plate, it is convenient to separate the test cylinder and the sliding sleeve, facilitate the disassembly and assembly of the rubber ring, and facilitate the replacement of the rubber ring, which is convenient for the wear test.

[0018] (2) The multi-directional dynamic loading sealing rubber ring wear test equipment described in the present invention can adjust the insertion and separation between the card block and the first card block and the second card slot by adjusting the second telescopic column. When the card block is separated from the second card slot, the rubber ring and the test tube can be tested for up and down friction. When the card block is engaged with the second card slot, the rotation of the rotating shaft synchronously drives the base ring to rotate. When the driven gear is meshed with the adjusting tooth ring, the rotation of the base ring drives the adjusting tooth ring to rotate, thereby rotating and adjusting the bidirectional stud, adjusting the position of the limit ring, and clamping or loosening the tested rubber ring, which is convenient for subsequent replacement of the rubber ring and testing operations. When the first telescopic column drives the adjusting ring to press down, the locking column is inserted into the locking groove, and the rotation of the base ring drives the second fixed sleeve to rotate synchronously, that is, drives the rubber ring to rotate synchronously. In combination with the up and down movement of the sliding sleeve, the rubber ring can be tested for friction in a complex environment. Compared with the up and down oscillation detection mode of the existing testing device, the range of wear test data can be improved, and the authenticity of the data can be improved to obtain more accurate test data.

[0019] (3) The multi-directional dynamic loading sealing rubber ring wear test equipment described in the present invention can convert the test movement state of the rubber ring in the test cylinder from simple up and down friction to simultaneous up and down friction and rotational friction by adjusting the positions of the first telescopic column and the adjustment ring and the second telescopic column to adjust the positions of the clamping block and the second clamping groove, so as to realize the wear resistance test of the rubber ring under complex conditions at various rotation speeds, and the obtained wear resistance data has more practical reference value. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 A schematic diagram of the structure of the test box provided by the present invention;

[0022] Figure 2 A schematic diagram of the internal structure of the test box provided by the present invention;

[0023] Figure 3 A schematic diagram of the structure of the test tube provided by the present invention;

[0024] Figure 4 A schematic diagram of the explosion structure of the rotating shaft and the test tube provided by the present invention;

[0025] Figure 5 A schematic diagram of the combined structure of the rotating shaft and the sliding sleeve provided by the present invention;

[0026] Figure 6 A schematic diagram of the explosion structure of the rotating shaft and the sliding sleeve provided by the present invention;

[0027] Figure 7 A schematic diagram of the structure of a rotation control unit provided by the present invention;

[0028] Figure 8 A schematic diagram of the positioning ring structure provided by the present invention;

[0029] Fig. 9 A schematic diagram of the structure of a first fixed sleeve provided by the present invention;

[0030] Fig.10 A schematic diagram of the front view structure of a first fixed sleeve provided by the present invention;

[0031] Fig.11 A schematic diagram of the structure of a second fixed sleeve provided by the present invention;

[0032] Fig.12 for Figure 6 Enlarged structural diagram at A in the middle.

[0033] In the figure: 1, test box; 2, observation window; 3, base plate; 4, test tube; 5, rotating shaft; 6, transmission shaft; 7, first bevel gear; 8, drive motor; 9, second bevel gear; 10, adjusting rod; 11, sliding sleeve; 12, limit block; 13, second fixed sleeve; 14, limit ring; 15, first fixed sleeve; 16, base ring; 17, first telescopic column; 18, clamping ring; 19, positioning ring; 20, rotating ring; 21, first clamping groove; 22, adjusting ring; 23, second clamping groove; 24, supporting block; 25, second telescopic column; 26, covering groove; 27, locking column; 28, adjusting groove; 29, driven gear; 30, locking groove; 31, limit groove; 32, two-way stud; 33, clamping plate; 34, anti-slip groove; 35, fixing block; 36, adjusting gear ring; 37, mounting plate; 38, clamping block. DETAILED DESCRIPTION

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0035] Example: Figure 1-Figure 12 As shown, the embodiment of the present invention provides a multi-directional dynamic loading sealing rubber ring wear test equipment, including a test box 1, and an observation window 2 is opened on the test box 1, which is convenient for the tester to disassemble and replace the tested rubber ring. A base plate 3 is slidably arranged at the bottom of the test box 1 through an adjusting rod 10, and a plurality of test cylinders 4 are installed on the top of the base plate 3 along the length direction. A mounting plate 37 is fixed between the two opposite side walls inside the test box 1, and a plurality of rotating shafts 5 are rotatably arranged on the mounting plate 37 along the length direction. A transmission mechanism is arranged between the rotating shaft 5 and the test box 1, and the position of the rotating shaft 5 corresponds to the position of the test cylinder 4 one by one, and one end of the rotating shaft 5 passing through the mounting plate 37 extends into the inside of the test cylinder 4. By adjusting the height of the adjusting rod 10, the test cylinder 4 can be separated from the rotating shaft 5, so that the sliding sleeve 11 is exposed, To facilitate the replacement of the rubber ring by the operator, a sliding sleeve 11 is threadedly sleeved on the bottom of one end of the rotating shaft 5 extending into the test tube 4, and an anti-rotation mechanism is arranged between the sliding sleeve 11 and the test tube 4, so that the rotation of the rotating shaft 5 can drive the sliding sleeve 11 to slide inside the test tube 4, which is convenient for the wear resistance test operation. A second fixed sleeve 13 is rotatably arranged on the outer side of the sliding sleeve 11, and a rubber ring positioning mechanism is arranged on the second fixed sleeve 13, and the rotating shaft 5 is located above the second fixed sleeve 13 and sleeved with a first fixed sleeve 15, wherein: a transmission mechanism is assembled to drive the rotation of the rotating shaft 5 arranged on the mounting plate 37; a rubber ring positioning mechanism is assembled to clamp and position the rubber ring, which is convenient for the wear resistance test of the rubber ring; an anti-rotation mechanism is assembled to prevent the sliding sleeve 11 from rotating inside the test tube 4.

[0036] In this embodiment, the transmission mechanism is used to drive the rotation of the rotating shaft 5 set on the mounting plate 37, so as to facilitate the wear resistance test of the rubber ring. The transmission mechanism includes a transmission shaft 6, a first bevel gear 7, a driving motor 8 and a second bevel gear 9. The driving motor 8 is mounted on the inner wall of one side of the test box 1, the transmission shaft 6 is mounted on the output end of the driving motor 8, and the first bevel gear 7 is evenly arranged along the length direction of the transmission shaft 6, the second bevel gear 9 is mounted on the top of the rotating shaft 5, the first bevel gear 7 is mounted on the top of the rotating shaft 5, and the position of the first bevel gear 7 on the mounting plate 37 corresponds to the position of the first bevel gear 7 on the transmission shaft 6, and the corresponding second bevel gear 9 is meshed with the corresponding first bevel gear 7, and finally the forward and reverse rotation of the driving motor 8 can drive the forward and reverse rotation of the rotating shaft 5, so as to facilitate the subsequent wear resistance test of the rubber ring.

[0037] In this embodiment, the rubber ring positioning mechanism is used to clamp and position the rubber ring to facilitate the wear resistance test of the rubber ring. The rubber ring positioning mechanism includes a driven gear 29, a limiting groove 31, a bidirectional stud 32, a clamping plate 33 and a limiting ring 14. The limiting groove 31 is opened along the circumferential direction of the side wall of the second fixed sleeve 13, and the bidirectional stud 32 is rotatably arranged inside the limiting groove 31, and the driven gear 29 is installed on the end of the bidirectional stud 32 extending out of the limiting groove 31, and the limiting ring 14 is slidably sleeved on both sides of the second fixed sleeve 13, and the limiting ring 14 does not contact the inner wall of the test tube 4. The clamping plate 33 is circumferentially arranged along the inner wall of the limiting ring 14, and the position of the clamping plate 33 corresponds to the position of the limiting groove 31, and the side of the clamping plate 33 opposite to the limiting groove 31 is threadedly connected with the two-way stud 32, so that the rotation of the two-way stud 32 can drive the limiting ring 14 to move synchronously from both sides of the second fixed sleeve 13, which is convenient for the clamping operation of the rubber ring to be tested and the subsequent wear resistance test, and an adjustment mechanism is provided between the driven gear 29 and the second fixed sleeve 13 and the rotating shaft 5 for regulating the rotation state of the second fixed sleeve 13.

[0038] Specifically, the inner wall of the limiting ring 14 is slidably connected with the outer wall of the second fixing sleeve 13, which facilitates the pushing of the rubber ring to be tested and facilitates the implementation of the wear resistance test.

[0039] In this embodiment, the adjustment mechanism includes a first fixed sleeve 15, a base ring 16, a rotation control unit, a first telescopic column 17, an adjustment ring 22, an adjustment tooth ring 36, an adjustment groove 28, a driven gear 29 and a stop unit. The first fixed sleeve 15 is installed on the outside of the sliding sleeve 11, and the first fixed sleeve 15 is located above the second fixed sleeve 13. The base ring 16 is rotatably arranged on the top of the first fixed sleeve 15, and the rotation control unit is arranged between the base ring 16 and the rotating shaft 5. The rotation control unit can adjust whether the base ring 16 rotates with the rotating shaft 5. The first telescopic column 17 is arranged along the circumference of the bottom of the base ring 16, and the adjustment ring 22 is installed on the first fixed sleeve 11 through the fixed block 35. At the bottom of the telescopic column 17, an adjustment groove 28 is provided at the junction of the top of the second fixed sleeve 13 and the sliding sleeve 11, an adjustment toothed ring 36 is installed at the bottom of the adjustment ring 22, and the driven gear 29 is circumferentially rotatable at the top of the second fixed sleeve 13 through a fixed rod, and the bottom of the fixed rod passes through the second fixed sleeve 13 and is fixedly connected to the end of the two-way stud 32, the driven gear 29 is meshed with the adjustment toothed ring 36, and the adjustment toothed ring 36 extends into the adjustment groove 28, so that the rotation of the adjustment toothed ring 36 can drive the driven gear 29 to rotate synchronously, and a stop unit is provided between the adjustment ring 22 and the driven gear 29, for regulating the rotation between the adjustment toothed ring 36 and the driven gear 29.

[0040] Specifically, the depth of the adjustment groove 28 is greater than the height of the driven gear 29, and the adjustment range of the first telescopic column 17 is less than the height difference between the adjustment groove 28 and the driven gear 29, so that the adjustment gear ring 36 always maintains a meshing state with the driven gear 29 during the adjustment process.

[0041] In this embodiment, the rotation control unit includes a snap ring 18, a second telescopic column 25, a positioning ring 19, a clamping block 38, a second clamping groove 23, a rotating ring 20, a first clamping groove 21 and a covering groove 26. The second telescopic column 25 is installed on both sides of the top of the base ring 16. The snap ring 18 is installed between the tops of the second telescopic columns 25 through the support block 24. The height of the snap ring 18 can be adjusted by adjusting the height of the second telescopic column 25. The clamping block 38 is arranged along the circumferential direction of the bottom of the snap ring 18. The positioning ring 19 is installed on the inner side wall of the base ring 16, and the covering groove 26 is opened in the middle of the inner side wall of the positioning ring 19. The second slot 23 starts evenly along the top of the positioning ring 19, and the bottom of the second slot 23 is connected to the covering slot 26. The rotating ring 20 is installed on the rotating shaft 5, and the first slot 21 is evenly opened along the circumference of the rotating ring 20, and the rotating ring 20 is inserted into the covering slot 26. When the rotating shaft 5 rotates, the rotating ring 20 rotates inside the positioning ring 19, so that when the height change of the retaining ring 18 is adjusted, the block 38 can extend into the second slot 23 and the first slot 21, completing the synchronous rotation of the rotating ring 20 and the positioning ring 19, thereby driving the base ring 16 to rotate with the rotating shaft 5.

[0042] Specifically, the structural dimensions of the rotating ring 20 match the structural dimensions of the covering groove 26, and the cross-sectional structures of the first clamping groove 21, the clamping block 38 and the second clamping groove 23 are the same, and the height of the clamping block 38 is greater than the sum of the depths of the first clamping groove 21 and the second clamping groove 23. As the height of the clamping ring 18 on the second telescopic column 25 is adjusted, the clamping block 38 can be used to clamp the rotating ring 20 and the positioning ring 19, and then the base ring 16 can be adjusted to rotate with the rotating shaft 5, thereby facilitating the adjustment of the device and improving the flexibility of the device.

[0043] Specifically, the anti-rotation unit includes a locking column 27 and a locking groove 30. The locking groove 30 is opened at the top of the driven gear 29. The locking column 27 is circumferentially arranged along the bottom of the block 38. The locking column 27 is located on the outside of the adjusting tooth ring 36, and the bottom of the locking column 27 is a conical structure. When the first telescopic column 17 adjusts the adjusting ring 22 to press down, the locking column 27 is stuck in the locking groove 30, so that the driven gear 29 cannot rotate with the adjusting tooth ring 36. Therefore, when the base ring 16 rotates, the driven gear 29 and the second fixed sleeve 13 are driven to rotate synchronously through the adjusting tooth ring 36, thereby driving the rubber ring to rotate and rub inside the test tube 4, and cooperating with the sliding sleeve 11 to drive the rubber ring to slide up and down inside the test tube 4, the rubber ring can be subjected to complex friction tests at multiple speeds.

[0044] In this embodiment, the anti-rotation mechanism includes an anti-slip groove 34 and a limit block 12. The anti-slip groove 34 starts on the inner wall of the bottom of the test tube 4, and the limit block 12 is installed at the bottom of the sliding sleeve 11, and the limit block 12 is inserted into the anti-slip groove 34. The height of the anti-slip groove 34 is greater than the height adjustment range of the sliding sleeve 11 when the rotating shaft 5 rotates. When the rotating shaft 5 rotates forward and reverse under the indirect forward and reverse rotation drive of the driving motor 8, the sliding sleeve 11 follows the rotation and moves up and down inside the test tube 4, driving the rubber ring to rub against the inner wall of the test tube 4, which is convenient for wear resistance testing.

[0045] Working principle: the operator first opens the observation window 2 and adjusts the base plate 3 downward through the adjusting rod 10 so that the test tube 4 and the sliding sleeve 11 are separated by a sufficient distance, so as to facilitate the rubber ring to be tested to be put on the second fixed sleeve 13, and then adjusts the second telescopic column 25 to press down the clamping ring 18 until the clamping block 38 is inserted into the first clamping groove 21. At this time, the driving motor 8 is started, and the rotating shaft 5 is driven to rotate through the meshing of the transmission shaft 6 and the first bevel gear 7 and the second bevel gear 9. At this time, the rotating shaft 5 synchronously drives the base ring 16 to rotate, and the base ring 16 drives the adjusting ring 22 and the adjusting gear ring 36 to rotate synchronously through the first telescopic column 17, and then drives the meshing driven gear 29 to rotate, and finally drives the two-way stud 32 to rotate, so that the position of the limit ring 14 can be adjusted until the clamping connection with the rubber ring to be tested is completed, and then the driving motor 8 is turned off, and the first telescopic column 17 is adjusted to drive the adjusting ring 22 to press down, so that the locking column 27 extends into the locking groove 30, so that the second fixed sleeve 13 follows The driven gear 29 and the adjusting ring 22 rotate synchronously, and the adjusting rod 10 is adjusted so that the base plate 3 drives the test tube 4 to re-sleeve the sliding sleeve 11. At this time, the driving motor 8 is started again to perform the wear resistance test of the rubber ring, and during the test, the rubber ring synchronously performs up and down and rotational friction inside the test tube 4, which can improve the breadth of the friction test and the accuracy of the test result. When a simple up and down friction test of the rubber ring is performed as required, the second telescopic column 25 is adjusted to lift the clamping ring 18 so that the clamping block 38 is separated from the first clamping groove 21. At this time, the rotation of the rotating shaft 5 no longer drives the base ring 16 to rotate, and the rubber ring simply rubs up and down inside the test tube 4. The overall wear resistance test is easy to operate, and the data test range is wide, which improves the accuracy of the wear resistance test. When in use, the device can perform a simple up and down friction test on the rubber ring or a friction test in which the rubber ring rotates synchronously during up and down friction according to the needs of the user, so that the diversity of the test results obtained is increased, thereby improving the practicality of the device.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-directional dynamic loading sealing rubber ring wear test device, comprising a test box (1), the test box (1) is provided with an observation window (2), and is characterized in that: A base plate (3) is slidably arranged at the bottom of the test box (1) through an adjusting rod (10), a plurality of test cylinders (4) are installed on the top of the base plate (3) along the length direction, a mounting plate (37) is fixed between two opposite side walls inside the test box (1), a plurality of rotating shafts (5) are rotatably arranged through the mounting plate (37) along the length direction, a transmission mechanism is arranged between the rotating shafts (5) and the test box (1), the positions of the rotating shafts (5) correspond to the positions of the test cylinders (4) one by one, and the rotating shafts (5) are installed through the mounting plate (37). One end of the plate (37) extends into the interior of the test tube (4), and the bottom of the end of the rotating shaft (5) extending into the interior of the test tube (4) is threadedly sleeved with a sliding sleeve (11), an anti-rotation mechanism is provided between the sliding sleeve (11) and the test tube (4), a second fixed sleeve (13) is rotatably provided outside the sliding sleeve (11), a rubber ring positioning mechanism is provided on the second fixed sleeve (13), and the rotating shaft (5) is located above the second fixed sleeve (13) and sleeved with a first fixed sleeve (15), wherein: A transmission mechanism, which is configured to drive the rotation of a rotating shaft (5) disposed on the mounting plate (37); A rubber ring positioning mechanism, which is configured to clamp and position the rubber ring, facilitating the wear resistance test of the rubber ring; The anti-rotation mechanism is configured to prevent the sliding sleeve (11) from rotating inside the test cylinder (4).

2. The multi-directional dynamic loading sealing rubber ring wear test equipment according to claim 1, characterized in that: The transmission mechanism comprises a transmission shaft (6), a first bevel gear (7), a driving motor (8) and a second bevel gear (9); the driving motor (8) is mounted on an inner wall of one side of the test box (1); the transmission shaft (6) is mounted on the output end of the driving motor (8); the first bevel gear (7) is evenly arranged along the length direction of the transmission shaft (6); the second bevel gear (9) is mounted on the top of the rotating shaft (5); the first bevel gear (7) is mounted on the top of the rotating shaft (5); the position of the first bevel gear (7) on the mounting plate (37) corresponds to the position of the first bevel gear (7) on the transmission shaft (6); and the corresponding second bevel gear (9) is meshed with the corresponding first bevel gear (7).

3. The multi-directional dynamic loading sealing rubber ring wear test equipment according to claim 1, characterized in that: The rubber ring positioning mechanism comprises a driven gear (29), a limiting groove (31), a bidirectional stud (32), a clamping plate (33) and a limiting ring (14); the limiting groove (31) is opened along the circumferential direction of the side wall of the second fixed sleeve (13); the bidirectional stud (32) is rotatably arranged inside the limiting groove (31); the driven gear (29) is installed on one end of the bidirectional stud (32) extending out of the limiting groove (31); the limiting ring (14) is slidably sleeved on the second fixed sleeve (13); On both sides of the sleeve (13), the limiting ring (14) is not connected to the inner wall of the test tube (4), and the clamping plate (33) is arranged along the circumference of the inner wall of the limiting ring (14), and the position of the clamping plate (33) corresponds to the position of the limiting groove (31), and the side of the clamping plate (33) opposite to the limiting groove (31) is threadedly connected to the bidirectional stud (32), and an adjustment mechanism is arranged between the driven gear (29) and the second fixed sleeve (13) and the rotating shaft (5).

4. The multi-directional dynamic loading sealing rubber ring wear test equipment as claimed in claim 3, characterized in that: The inner wall of the limiting ring (14) is slidably connected to the outer wall of the second fixing sleeve (13).

5. The multi-directional dynamic loading sealing rubber ring wear test equipment as claimed in claim 3, characterized in that: The adjustment mechanism comprises a first fixed sleeve (15), a base ring (16), a rotation control unit, a first telescopic column (17), an adjustment ring (22), an adjustment tooth ring (36), an adjustment groove (28), a driven gear (29) and a rotation stop unit. The first fixed sleeve (15) is installed on the outside of the sliding sleeve (11), and the first fixed sleeve (15) is located above the second fixed sleeve (13). The base ring (16) is rotatably arranged on the top of the first fixed sleeve (15), and the rotation control unit is arranged between the base ring (16) and the rotation shaft (5). The first telescopic column (17) is arranged along the circumference of the bottom of the base ring (16), and the adjustment ring (22) is fixed to the base ring (16) through the fixed The fixed block (35) is installed at the bottom of the first telescopic column (17), the adjustment groove (28) is opened at the junction of the top of the second fixed sleeve (13) and the sliding sleeve (11), the adjustment toothed ring (36) is installed at the bottom of the adjustment ring (22), the driven gear (29) is arranged on the top of the second fixed sleeve (13) through a fixed rod to rotate along the circumferential direction, and the bottom of the fixed rod passes through the second fixed sleeve (13) and is fixedly connected to the end of the two-way stud (32), the driven gear (29) is meshed with the adjustment toothed ring (36), and the adjustment toothed ring (36) extends into the adjustment groove (28), and the anti-rotation unit is arranged between the adjustment ring (22) and the driven gear (29).

6. The multi-directional dynamic loading sealing rubber ring wear test equipment as claimed in claim 5, characterized in that: The depth of the adjustment groove (28) is greater than the height of the driven gear (29), and the adjustment range of the first telescopic column (17) is smaller than the height difference between the adjustment groove (28) and the driven gear (29).

7. The multi-directional dynamic loading sealing rubber ring wear test equipment according to claim 1, characterized in that: The rotation control unit comprises a snap ring (18), a second telescopic column (25), a positioning ring (19), a clamping block (38), a second clamping groove (23), a rotating ring (20), a first clamping groove (21) and a covering groove (26), wherein the second telescopic column (25) is installed on both sides of the top of the base ring (16), the snap ring (18) is installed between the tops of the second telescopic columns (25) through a support block (24), and the clamping block (38) is arranged along the circumference of the bottom of the snap ring (18), and the positioning The ring (19) is mounted on the inner side wall of the base ring (16), and the covering groove (26) is opened in the middle of the inner side wall of the positioning ring (19), the second clamping groove (23) starts evenly along the circumference of the top of the positioning ring (19), and the bottom of the second clamping groove (23) is connected to the covering groove (26), the rotating ring (20) is mounted on the rotating shaft (5), and the first clamping groove (21) is evenly opened along the circumference of the rotating ring (20), and the rotating ring (20) is clamped into the inside of the covering groove (26).

8. The multi-directional dynamic loading sealing rubber ring wear test equipment as claimed in claim 7, characterized in that: The structural dimensions of the rotating ring (20) match those of the covering groove (26), and the cross-sectional structures of the first clamping groove (21), the clamping block (38) and the second clamping groove (23) are all the same, and the height of the clamping block (38) is greater than the sum of the depths of the first clamping groove (21) and the second clamping groove (23).

9. The multi-directional dynamic loading sealing rubber ring wear test equipment as claimed in claim 5, characterized in that: The anti-rotation unit comprises a locking column (27) and a locking groove (30), wherein the locking groove (30) is provided at the top of the driven gear (29), the locking column (27) is arranged circumferentially along the bottom of the clamping block (38), the locking column (27) is located outside the adjusting toothed ring (36), and the bottom of the locking column (27) is a conical structure.

10. The multi-directional dynamic loading sealing rubber ring wear test equipment according to claim 1, characterized in that: The anti-rotation mechanism comprises an anti-slip groove (34) and a limit block (12); the anti-slip groove (34) starts on the inner side wall of the bottom of the test tube (4); the limit block (12) is installed at the bottom of the sliding sleeve (11); the limit block (12) is inserted into the anti-slip groove (34); the height of the anti-slip groove (34) is greater than the height adjustment range of the sliding sleeve (11) when the rotating shaft (5) rotates.

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