CN111337371A - Rubber abrasion testing machine with double-drive stepless differential - Google Patents
Rubber abrasion testing machine with double-drive stepless differential Download PDFInfo
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- CN111337371A CN111337371A CN202010284340.7A CN202010284340A CN111337371A CN 111337371 A CN111337371 A CN 111337371A CN 202010284340 A CN202010284340 A CN 202010284340A CN 111337371 A CN111337371 A CN 111337371A
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- 238000005299 abrasion Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 230000001360 synchronised effect Effects 0.000 claims abstract description 23
- 239000004677 Nylon Substances 0.000 claims abstract description 12
- 229920001778 nylon Polymers 0.000 claims abstract description 12
- 239000002390 adhesive tape Substances 0.000 claims abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 1
- 229910001651 emery Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a double-drive stepless differential rubber abrasion testing machine which comprises a machine table base, and an adhesive tape bonding control driving part, a grinding wheel control driving part and a control panel which are respectively arranged on the machine table base. The adhesive tape bonding control driving part comprises a screw rod, an adjusting motor, a nut block, a rubber pasting wheel driving box bracket, a shrinking block, a rubber pasting wheel driving box, a rubber cleaning soft brush roller, a rubber pasting roller, a hinge and the like. The grinding wheel control driving part comprises a speed reducer, a grinding wheel driving motor, a telescopic universal joint coupler, a synchronous belt wheel 1, a synchronous belt wheel 2, a grinding wheel, a nylon cleaning roller, a grinding wheel support and the like. By utilizing the double-drive stepless differential rubber abrasion testing machine provided by the invention, the rubber pasting roller and the grinding wheel change the rotating speed and the direction simultaneously under the unified regulation and control of the program, so that the continuous and uniform speed regulation is realized, the accurate rotating speed difference is obtained, the rubber pasting roller and the grinding wheel are used for simulating the experimental conditions of acceleration, deceleration and uniform speed, and the abrasion mechanism of the rubber material is better researched.
Description
Technical Field
The invention relates to the field of abrasion testing machines, in particular to an electrodeless differential rubber abrasion testing machine.
Background
In recent years, rubber has attracted considerable attention because of its excellent wear resistance and elasticity, and is widely used in various fields such as transportation, medical treatment, sports, and life. However, since rubber is susceptible to aging by oxygen in the air, high temperature, mechanical stress, and the like, and the abrasion rate is significantly increased, it is very important to study the abrasion mechanism of a rubber material.
Rubber abrasion is a complex mechanical process, and there are three types of abrasion: abrasion wear, crimp wear and fatigue wear. Most of the abrasion machines on the market for detecting the rubber performance adopt abrasion, rotate a sample at a certain speed, and under a certain pressure load, the sample and a grinding wheel generate rolling friction, and the axes of the grinding wheel and the rubber are not on the same plane, so that a speed difference is generated between the sample and the grinding wheel to form abrasion.
However, the speed difference cannot realize continuous speed regulation, and cannot be accurately controlled manually, so that the abrasion performance cannot be researched by controlling differential speed, the experiment is not facilitated to be effectively carried out, and the abrasion mechanism of the rubber material is not facilitated to be researched.
Disclosure of Invention
Based on the above background, the invention aims to provide a double-drive stepless differential rubber abrasion testing machine, which artificially controls the rotating speed of a sample and a grinding wheel to obtain an accurate rotating speed difference with uniform and smooth change, so as to improve the accuracy of the experiment and better research the abrasion mechanism of a rubber material.
The rubber abrasion testing machine comprises a machine table base, and an adhesive tape bonding control driving part, a grinding wheel control driving part and a control panel which are respectively arranged on the machine table base.
The adhesive tape bonding control driving part comprises a screw rod, an adjusting motor, a nut block, a rubber pasting wheel driving box support, a shrinking block, a rubber pasting wheel driving box, a rubber cleaning soft brush roller, a rubber pasting roller and a hinge. The grinding wheel control driving part comprises a speed reducer, a grinding wheel driving motor, a telescopic universal joint coupler, a synchronous belt wheel 1, a synchronous belt wheel 2, a grinding wheel, a nylon cleaning roller and a grinding wheel support.
The rubber paste wheel driving box is movably connected with the rubber paste wheel driving box bracket through the hinge, the adjusting motor is connected with the screw rod in a driving way, the rubber paste wheel driving box is connected with the screw rod through the nut block and the tightening block so that the screw rod can drive the rubber paste wheel driving box to deviate relative to the machine table base to drive the rubber paste roller to deviate angularly, the friction angle between the rubber paste roller and the grinding wheel is changed in real time under the action of the adjusting motor, the rubber paste roller is arranged on the rubber paste wheel driving box and can drive the rubber paste roller to rotate, the rubber wheel is arranged on the rubber paste roller, the rubber cleaning soft brush roller is arranged on the rubber paste driving box, and the rubber cleaning soft brush is arranged on the rubber cleaning soft brush roller, and the rubber soft brush cleaning roller and the rubber pasting roller are arranged in parallel so that the rubber wheel is in contact with at least one part of the rubber soft brush cleaning roller.
The grinding wheel is arranged on the grinding wheel support, the nylon cleaning brush is arranged on the nylon cleaning roller, the grinding wheel driving motor is connected with the speed reducer, the telescopic universal joint coupler is connected with the speed reduction box, the synchronous pulley 1 is connected with the synchronous pulley 2 through the synchronous belt, one end, far away from the speed reduction box, of the telescopic universal joint coupler is connected with the synchronous pulley 1, the synchronous pulley 1 is connected with the grinding wheel support to drive the grinding wheel to rotate, and the synchronous pulley 2 is connected with the nylon cleaning roller in a pivoting mode.
The control panel can respectively control the adhesive tape bonding control driving part and the grinding wheel control driving part, and the rotating speeds of the adjusting motor and the grinding wheel driving motor are different, so that the rubber pasting roller and the grinding wheel rotate relatively at different rotating speeds.
The invention is suitable for realizing the continuous and accurate control of the differential speed of a sample and a grinding wheel in an abrasion tester, the program control is carried out through a control panel, a rubber pasting wheel driving box controls a rubber pasting roller to rotate at a certain rotating speed, a grinding wheel driving motor controls the grinding wheel to rotate at a certain rotating speed, when the rotating speed of the grinding wheel is greater than that of the rubber pasting roller, the simulation of the situation when an automobile is accelerated is equivalent, when the rotating speed of the grinding wheel is less than that of the rubber pasting roller, the simulation of the situation when the automobile is decelerated is equivalent, and when the rotating speed of the grinding wheel is equal to that of the rubber pasting roller, the simulation of the situation when the speed. The rubber pasting wheel driving box is controlled by the adjusting motor to drive the rubber pasting roller to generate angular deviation, the friction angle between the rubber pasting roller and the grinding wheel is changed in real time, and positive angle friction and negative angle friction are achieved.
The rubber abrasion tester has the beneficial effects that:
the grinding wheel and the rubber pasting roller are respectively driven by the motor, so that the mode that the rubber pasting roller is controlled by only a single motor and the grinding wheel is driven to rotate by friction force in the prior art is changed, the grinding wheel passively rotates, the rotating speed is equal to or less than that of the rubber pasting roller, and the differential speed cannot be continuously and uniformly controlled. A driving device is added to the grinding wheel, the grinding wheel can be effectively controlled to rotate actively, stepless speed regulation can be realized under the regulation and control of a program, the rotating speed of the grinding wheel and the rubber pasting roller is artificially determined, an accurate differential value is obtained, the influence of the friction angle on the abrasion performance can be researched by changing the friction angle between the rubber pasting roller and the grinding wheel, the improved rubber abrasion testing machine has stronger practical performance, and the accuracy and the precision of an experiment can be improved.
Drawings
FIG. 1 is a plan view of a rubber abrasion tester with dual-drive stepless differential
FIG. 2 is a top view of the internal structure of a rubber abrasion tester with dual-drive stepless differential
FIG. 3 is a front view of the internal structure of a rubber abrasion tester with dual-drive stepless differential
FIG. 4 is a structural diagram of a rubber abrasion tester with dual-drive stepless differential
Detailed Description
As shown in fig. 1, the dual-drive stepless differential rubber abrasion testing machine of the present application is shown in fig. 1, 2, 3, and 4, and includes a machine base 20, and a rubber strip adhesion control driving portion, a grinding wheel control driving portion, and a control panel 19 respectively disposed on the machine base 20. The adhesive tape adhesion control driving part comprises a screw rod 7, an adjusting motor 8, a nut block 9, a rubber pasting wheel driving box support 10, a shrinking block 11, a rubber pasting wheel driving box 13, a rubber cleaning soft brush roller 14, a rubber pasting roller 15 and a hinge 12. The grinding wheel control driving part comprises a speed reducer 1, a grinding wheel driving motor 2, a telescopic universal joint coupler 3, a synchronous belt wheel 14, a synchronous belt 5, a synchronous belt wheel 26, a grinding wheel 17, a nylon cleaning roller 18 and a grinding wheel support 16. In an adhesive tape bonding control driving part, the screw rod 7 is connected with the adjusting motor 8, the rubber pasting wheel driving box 13 is adjusted by adjusting the screw rod 7, the rubber pasting wheel driving box 13 is connected with the rubber pasting wheel driving box support 10 and matched with the shrinking block 11, the nut block 9, the screw rod 7 and the adjusting motor 8 to adjust the positions of the rubber pasting roller 15 and the rubber cleaning soft brush roller 14, the rubber pasting roller 15 generates angle deviation, the friction angle between the rubber pasting roller 15 and the grinding wheel 17 is changed in real time under the action of the adjusting motor 8, and positive angle friction and negative angle friction are realized. The rubber pasting roller 15 and the rubber cleaning soft brush roller 14 are arranged at the same height axis, are connected with the rubber pasting wheel driving box 13 and are driven by the rubber pasting wheel driving box 13 to realize controlled rotation. The rubber adhesion roller 15 was set with a sample thereon, and an abrasion test was performed. The rubber pasting roller 15 is close to the rubber cleaning soft brush roller 14, rubber scraps polished by a grinding wheel in a wear test are swept away through rotating cleaning, and the collected rubber scraps are used for inspection.
The grinding wheel control driving part is provided with a synchronous belt 5, the grinding wheel control driving part is connected with the grinding wheel driving motor 2 through the telescopic universal joint coupler 3 and the speed reducer 1, the grinding wheel support 16 and the nylon cleaning roller 18 are arranged on the synchronous belt 5, the moving direction and the moving distance are kept consistent, the grinding wheel 17 is arranged on the grinding wheel support 16, is close to the rubber pasting roller 15, performs rolling friction with a rubber sample on the rubber pasting roller 15, rubber scraps generated in a cleaning test of the nylon cleaning roller 18 and pasted on the grinding wheel are collected and used as an inspection. The grinding wheel driving motor 2 controls and drives the rotating speed of the grinding wheel 17, and the controlled rotation of the grinding wheel 17 is realized.
The driving devices of the two parts are mutually matched under the regulation and control of the control panel 19, the rotating speed and the direction of the rubber pasting roller 15 and the grinding wheel 17 are changed simultaneously, the pause feeling in the speed regulation process is eliminated, and the continuous and uniform speed regulation is realized. When the program instructs the rubber pasting wheel driving box 13 to control the rubber pasting roller 15 to rotate at a larger rotating speed, the rotating speed of the grinding wheel 17 is slower due to smaller received driving force, which is equivalent to simulating the running condition of the rubber wearing machine under the condition of deceleration; when the program instructs the grinding wheel driving motor 2 to control the grinding wheel 17 to rotate at a larger rotating speed, the rubber pasting roller 15 is driven by a smaller driving force and has a slower rotating speed, which is equivalent to simulating the running condition of the rubber wearing machine under the acceleration condition; when the program instructs the rubber pasting wheel driving box 13 and the grinding wheel driving motor 2 to operate at the same power, the operation condition of the rubber wearing machine under the condition of uniform speed is simulated, and the wearing effect is researched.
The above embodiments are merely illustrative and not restrictive of the technical solutions of the present invention. Any modification or partial replacement without departing from the spirit of the present invention should be covered in the scope of the claims of the present invention.
Claims (3)
1. The utility model provides a rubber abrasion testing machine of electrodeless differential of dual drive, its characterized in that, include the board base and set up respectively adhesive tape bonding control drive division, emery wheel control drive division and control panel on the board base, adhesive tape bonding control drive division includes lead screw, accommodate motor, nut piece, rubber paste wheel drive case support, contracts tight piece, rubber paste wheel drive case, the clean soft brush roll of rubber, rubber paste roller, hinge, rubber paste wheel drive case with rubber paste wheel drive case support passes through hinge swing joint, accommodate motor with the lead screw drive is connected, rubber paste wheel drive case passes through the nut piece with it contracts tight piece with the lead screw is connected, so that the lead screw can drive rubber paste wheel drive case is relative board base takes place the skew, rubber paste the roller setting on the rubber paste wheel drive case and rubber paste wheel drive case can drive the drive of drive wheel drive case The rubber pasting roller rotates, the rubber wheel is arranged on the rubber pasting roller, the rubber cleaning soft brush roller is arranged on the rubber pasting driving box, the rubber cleaning soft brush is arranged on the rubber cleaning soft brush roller, and the rubber cleaning soft brush roller and the rubber pasting roller are arranged in parallel so that the rubber wheel is in contact with at least one part of the rubber cleaning soft brush; the grinding wheel control driving part comprises a speed reducer, a grinding wheel driving motor, a telescopic universal joint coupler, a synchronous belt wheel 1, a synchronous belt wheel 2, a grinding wheel, a nylon cleaning roller and a grinding wheel support, wherein the grinding wheel is arranged on the grinding wheel support, a nylon cleaning brush is arranged on the nylon cleaning roller, the grinding wheel driving motor is connected with the speed reducer, the telescopic universal joint coupler is connected with the speed reducer, the synchronous belt wheel 1 is connected with the synchronous belt wheel 2 through the synchronous belt, one end, far away from the speed reducer, of the telescopic universal joint coupler is connected with the synchronous belt wheel 1, the synchronous belt wheel 1 is connected with the grinding wheel support to drive the grinding wheel to rotate, and the synchronous belt wheel 2 is pivotally connected with the nylon cleaning roller; the control panel can respectively control the adhesive tape bonding control driving part and the grinding wheel control driving part.
2. The rubber abrasion testing machine with double drive stepless differential speed according to claim 1, characterized in that the rotation speeds of the adjusting motor and the grinding wheel driving motor are different, so that the rubber pasting roller and the grinding wheel rotate relatively at different rotation speeds.
3. The rubber abrasion testing machine with the double-drive stepless differential speed according to claim 1, characterized in that the rubber pasting wheel driving box is shifted to drive the rubber pasting wheel to shift an angle, and the friction angle between the rubber pasting wheel and the grinding wheel is changed in real time under the action of the adjusting motor, so that positive angle friction and negative angle friction are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284340.7A CN111337371A (en) | 2020-04-13 | 2020-04-13 | Rubber abrasion testing machine with double-drive stepless differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284340.7A CN111337371A (en) | 2020-04-13 | 2020-04-13 | Rubber abrasion testing machine with double-drive stepless differential |
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| Publication Number | Publication Date |
|---|---|
| CN111337371A true CN111337371A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010284340.7A Pending CN111337371A (en) | 2020-04-13 | 2020-04-13 | Rubber abrasion testing machine with double-drive stepless differential |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758821A (en) * | 2021-08-02 | 2021-12-07 | 广东恒宇泰金属制品有限公司 | Abrasion resistance testing device for diamond chemical composite coating |
| WO2022073355A1 (en) * | 2020-10-10 | 2022-04-14 | 长安大学 | Pavement rapid abrasion test device |
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|---|---|---|---|---|
| JP2008185475A (en) * | 2007-01-30 | 2008-08-14 | Bridgestone Corp | Rubber abrasion tester, and abrasion testing method of rubber for tire tread using it |
| CN102735559A (en) * | 2011-04-15 | 2012-10-17 | 青岛科技大学 | Novel rubber high temperature abrasion tester |
| CN104749062A (en) * | 2015-04-21 | 2015-07-01 | 青岛科技大学 | Short fibre radial orientation tread rubber abrasion continuous testing method |
| CN110987697A (en) * | 2019-11-15 | 2020-04-10 | 华东交通大学 | Double-drive stepless speed regulation wheel rail rolling contact fatigue test device and method |
| CN212844799U (en) * | 2020-04-13 | 2021-03-30 | 青岛科技大学 | Rubber abrasion testing machine with double-drive stepless differential |
-
2020
- 2020-04-13 CN CN202010284340.7A patent/CN111337371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008185475A (en) * | 2007-01-30 | 2008-08-14 | Bridgestone Corp | Rubber abrasion tester, and abrasion testing method of rubber for tire tread using it |
| CN102735559A (en) * | 2011-04-15 | 2012-10-17 | 青岛科技大学 | Novel rubber high temperature abrasion tester |
| CN104749062A (en) * | 2015-04-21 | 2015-07-01 | 青岛科技大学 | Short fibre radial orientation tread rubber abrasion continuous testing method |
| CN110987697A (en) * | 2019-11-15 | 2020-04-10 | 华东交通大学 | Double-drive stepless speed regulation wheel rail rolling contact fatigue test device and method |
| CN212844799U (en) * | 2020-04-13 | 2021-03-30 | 青岛科技大学 | Rubber abrasion testing machine with double-drive stepless differential |
Non-Patent Citations (1)
| Title |
|---|
| 彭立群;林达文;王进;周雪翔;刘晓倩;王叶青;: "橡胶履带道路磨耗性能试验设计与研究", 特种橡胶制品, no. 05, 15 October 2017 (2017-10-15) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022073355A1 (en) * | 2020-10-10 | 2022-04-14 | 长安大学 | Pavement rapid abrasion test device |
| CN113758821A (en) * | 2021-08-02 | 2021-12-07 | 广东恒宇泰金属制品有限公司 | Abrasion resistance testing device for diamond chemical composite coating |
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