CN202512051U - Rubber dynamic friction abrasion detection device - Google Patents
Rubber dynamic friction abrasion detection device Download PDFInfo
- Publication number
- CN202512051U CN202512051U CN2012200771617U CN201220077161U CN202512051U CN 202512051 U CN202512051 U CN 202512051U CN 2012200771617 U CN2012200771617 U CN 2012200771617U CN 201220077161 U CN201220077161 U CN 201220077161U CN 202512051 U CN202512051 U CN 202512051U
- Authority
- CN
- China
- Prior art keywords
- friction
- detection platform
- main shaft
- load adjusting
- adjusting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000005299 abrasion Methods 0.000 title abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 34
- 239000000523 sample Substances 0.000 description 25
- 238000012545 processing Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 241001122126 Carex secta Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model belongs to the technical field of machinery and relates to a rubber dynamic friction abrasion detection device. A motor is connected with a driving belt wheel, and a belt and a driven belt wheel form a belt type transmission structure; the driven belt wheel is fixed on a main shaft and is in intermediate transmission with a bearing; a supporting plate is arranged on the left side of the main shaft and positioned near the driven belt wheel; an eccentric wheel is fixed on the right side of the main shaft, and the right side of the main shaft is connected with a sliding body through a connecting rod; a sliding detection platform is fixed on a guide rail; the upper end of the sliding detection platform is fixedly connected with a friction sample plate for detection, a temperature control device is arranged inside the sliding detection platform, and a load adjusting device is arranged right above the sliding detection platform; a sample clamping device is fixed on the load adjusting device; a force-applying handle is arranged on the top of a screw; a displacement control handle is arranged near the force-applying handle and fixed on the load adjusting device through the screw; and the load adjusting device is fixedly connected to the supporting plate in vertical direction. The rubber dynamic friction abrasion detection device is reasonable in structure, safe and reliable in principle, easy and convenient to manufacture, low in cost, convenient to control and operate, accurate in detection, good in effect, and simple and practicable in detection process.
Description
Technical field:
The utility model belongs to the processing of high molecular material field of mechanical technique, and relating to a kind of is the detection technique device that the main macromolecular material coefficient of sliding friction is measured with rubber, particularly a kind of rubber dynamic friction wear detector.
Background technology:
At present, for the rubbing characteristics of most of solid-state materials, the rubbing characteristics of rubber is more special, because rubber be tool high-elastic characteristic and the reversible polymeric material of deformation belongs to amorphous polymer; Rubber is the viscoelastic body with low elastic modulus; In scope, have very important than the imperial palace friction than broad; This characteristic is in contact with it the real contact area of rubber to present nonlinear relationship between the pressure load; Therefore, explore the influence of different external environmental conditions to the elastomeric material friction factor, the mensuration of under different condition, the rubber friction characteristic being carried out is all significant for the production and processing and the application of rubber in real life of rubber.Receive the influence of various factors for the friction of rubber especially sliding friction, it is relevant with factors such as material character, sliding speed, temperature, normal load and surfacenesses.Friction descends along with contact pressure or load increase because of coefficient, and this influence show the most significantly on the smooth clean surface of drying, and adhesive attraction performance in this case is stronger, and the while friction factor is bigger.In addition,, there is not universal correlation function between friction factor and load to having the actual contact face of different surface roughness, thus can not be through general formula general description in addition, must concrete situation concrete analysis.For being main macromolecular material with rubber, such as modal tire in the daily life, analysis shows: the friction of tire is divided into three kinds of sliding frictions, rolling friction and lubrication frictions usually.For the sliding friction model class of the sliding friction of tire and niggerhead seemingly; Its sliding friction mainly is that the hysteresis by adhesion node between road surface and the tire surface of contact and tire matrix causes; On smooth and dry road surface, be main, receive the influence of road surface condition and factors such as tire tread sliding speed, local temperature condition with adhesion friction power; On the road surface of humidity, descending largely appears in its adhesion friction component, and mainly be the master that act as with the friction component that lags behind this moment, then all the more so when running at high speed.Hence one can see that; The friction model of macromolecular material receives influence of various factors such as temperature, surface of contact situation, pressure condition under the physical condition, and foundation can have important practical significance according to the macromolecular material friction detection model that extraneous key element can be constantly adjusted in practical application flexibly.Simultaneously, the mensuration of accomplishing the coefficient of sliding friction intuitively can be for being that the production of main macromolecular material provides convenient reliable technique parameter with rubber, thereby formulate the reasonable technology flow process, improves the quality of production and the production efficiency of product.According to investigations, in the prior art, also Shang Weijian has this type checkout equipment and technical staff's artistic skill effectively rubber dynamic friction wearing and tearing situation to be detected and analyzes, so, inquire into and develop a kind of this type checkout equipment the scientific research mission that is those skilled in the art.
Summary of the invention:
The goal of the invention of the utility model is to overcome the deficiency that prior art exists; Seek to design and a kind of equipment and technical matters that can be effectively the dynamic friction abrasion condition of rubber-like macromolecular material is detected in real time and analyzes is provided, realize detection and analysis product dynamic friction such as rubber tyre and polishing machine.
To achieve these goals; The mentality of designing of the utility model is with in the practical application being the detection model that model that the main friction situation of macromolecular material under the different operating environment is reduced to the sample material and the different surfaces specification of quality is in contact with one another friction with rubber, directly records the friction factor of sample and model room; The device of its design not only can directly reflect sample and the friction situation of surface of contact under the different pressures loading; Can determine simultaneously the friction factor of the contact friction model that constantly changes constantly with temperature; Show the friction factor curve intuitively; For the actual production of macromolecular material provides the important techniques reference, be convenient to reasonably formulate the process conditions of macromolecular material when producing; For the temperature conditions of more effective mensuration material at normal temperature, high temperature and low temperature; Friction factor under different load-up conditions and the different contact conditions; Practical manifestation goes out the friction factor of macromolecular material under self and extraneous different condition and relation each other; The rubber friction wear detector that can intuitively measure that is designed can be measured sample material and the friction law that contacts model room easily; Directly obtain the friction factor and the relation curve of material, and through changing external conditions such as temperature, pressure load measuring corresponding friction factor, for being that the production of main macromolecular material provides intuitive and reliable technical parameter with rubber; Thereby formulate the reasonable technology flow process, effectively improve the quality of production and the production efficiency of product.
The agent structure of the utility model comprises motor, belt, friction model, application of force handle, displacement joystick, display, controller, wear measurement device, guide rail, slip detection platform, eccentric wheel, driven pulley, attemperating unit, sample holder device, support plate, base, data acquisition unit, main shaft, bearing, driving pulley, connecting rod, slide mass, leading screw, load adjusting gear and axle head support plate; Motor is connected with driving pulley and forms the belt-type drive mechanism by driving pulley through belt and driven pulley; The slotting key formula of driven pulley is fastened on the main shaft and with the tumbling-type bearing that is fixed on the main shaft both end sides simultaneously forms middle running part; Left side at main shaft is equipped with the axle head support plate near the driven pulley place; The supporting bearing seat that is equipped with on the bearing, main shaft right side intersect pin through antarafacial and fixedly are shaped on eccentric wheel and are connected with slide mass in the slip detection platform through connecting rod; The downside of slip detection platform is fixed on the guide rail through oat tail groove structure, and slip detection platform upper end side is fixedly connected through screw thread and is shaped on the friction model that detects usefulness, and the inside of slip detection platform is equipped with attemperating unit; Directly over the slip detection platform, be provided with load adjusting device; The sample holder device is fixed on the load adjusting device through leading screw; On the leading screw top, fixedly be shaped on application of force handle; The next door parallel construction of application of force handle is shaped on the displacement joystick, and the displacement joystick is fixed on the load adjusting device through the leading screw folding type, and load adjusting device vertically is connected on the support plate; Load adjusting device, wear measurement device, display and controller fixed order constitute the monoblock type pick-up unit on base.
The utility model device is divided into controller, data acquisition unit, attemperating unit, load adjusting device, slip detection platform, display according to the function of each several part and comprises the mechanical hook-up of body; Mechanical hook-up partly comprises motor, driven pulley, eccentric wheel, main shaft, bearing, support plate, connecting rod, slide mass, guide rail, friction model and base, and wherein, support plate and base are the mechanical hook-ups of robust detection device longitudinally.
Controller that the utility model relates to is realized assigning, instruct the gathering and computing of transmission, image data of pick-up unit various actions instruction; Data acquisition unit is realized the collection and the transmission of load data, temperature data and motion factor data; Attemperating unit is realized heating, cooling and the heat insulation function between friction model and the sample to be tested; Display shows current load, pressure, temperature and kinematic parameter, and shows the friction factor and the associated change curve of being finished dealing with by controller information; Load adjusting device comprises support plate, leading screw, application of force handle and the displacement joystick of load, realizes sample is exerted pressure the variation of processings, control vertical direction load-up condition with the continuous mechanical environment of adjustment detection as requested; The slip detection platform is made up of slide mass, attemperating unit and the friction model of dovetail structure, realizes the effectively fixing and fricting movement of material friction sample; Wear measurement device is accomplished and is detected the mass change of material in friction process.
The detection principle of the utility model is: with the rubber detection model that to be the main friction situation of macromolecular material under the different operating environment friction sample that is reduced to material rub with the model of different surfaces quality mutually; By to load, temperature controlling, directly record the coefficient of friction of friction sample and model room according to the motion key element of checkout gear; Its testing process is: get the friction coupons of rubber of the constant weight that will measure and shape specification add and be held on the sample holder device; The friction model to be measured of choosing material requested and surface quality carries out effectively fixing on the slip detection platform; The swing offset joystick is close on the model friction sample of rubber; And adjust the pressure loading size and model is heated by rotation application of force handle, open detection device and implement the insulation measure when temperature reaches design temperature; Reciprocatingly slide in driven by motor lower slider detection platform; The continuous friction sample of friction rubber and gather each data constantly by data acquisition unit; Controller calculates coefficient of friction according to information and the formula gathered, and demonstrates parameters and testing result by display.
The utility model device be used to measure with rubber be main macromolecule plate-shaped material and different surfaces quality metal or nonmetal between the coefficient of sliding friction; In practical operation; The factor that influences the coefficient of sliding friction has a lot, and comprising the surface quality of the material of contact object, the temperature of doing wet degree, pressure load, model and material sample, model, speed of related movement etc., above-mentioned detection method is taken influence factor as much as possible into account; Try to achieve the coefficient of sliding friction of sample according to the data processing of gathering; In pick-up unit, can change different model (sheet metal or non-metal board), also replaceable various macromolecular materials are simplified to simple detection model with the friction phenomenon that influenced by complicated factor; And, confirm the dynamic coefficient of sliding friction under the varying environment through each item factor parameter control.
The utility model compared with prior art, the one, the diversity of model, this pick-up unit can carry out the rubber friction abrasion detection to various materials and the different model of surface quality; The 2nd, continuous dynamic friction realization process, this pick-up unit can be realized the continuous dynamic friction between material to be detected and the model, and can real time record related data information such as temperature, mechanics parameter; The 3rd, the adjustability of environment temperature, this pick-up unit designs temperature controlling groove on detection platform, can effectively realize the steady temperature of detected materials and model room in the testing process, can control the variation of temperature range simultaneously, and real time record; The 4th, the accuracy of measurement result, this pick-up unit can carry out repeatedly multiple spot collection to data in the process of continuous friction, ask its average through weighted mean, guarantees the stable and accurate of measurement result; The 5th, that detects is comprehensive, and this pick-up unit is designed with the wear measurement platform simultaneously, can measure material to be measured and compare through the mass change after rubbing and to the surface abrasion situation; Its reasonable integral structure, principle design is safe and reliable, makes easyly, and cost is low, Monitoring and Controlling and easy to operate, it is high to detect accuracy rate, and effective, characterization processes is simple and easy to do.
Description of drawings:
Fig. 1 is the side structure principle schematic of the utility model main body.
Fig. 2 is the Facad structure principle schematic of the utility model main body.
Fig. 3 is the distributed architecture principle schematic of the data acquisition unit of the utility model.
Embodiment:
Below through embodiment and combine accompanying drawing to be described further.
Embodiment:
The agent structure of present embodiment comprises motor 1, belt 2, friction model 3, application of force handle 4, displacement joystick 5, display 6, controller 7, wear measurement device 8, guide rail 9, slip detection platform 10, eccentric wheel 11, driven pulley 12, attemperating unit 13, sample holder device 14, support plate 15, base 16, data acquisition unit 17, main shaft 18, bearing 19, driving pulley 22, connecting rod 21, slide mass 20, leading screw 23, load adjusting gear 24 and axle head support plate 25; Motor 1 is connected with driving pulley 22 and forms the belt-type drive mechanism by driving pulley 22 through belt 2 and driven pulley 12; Driven pulley 12 slotting key formulas are fastened on the main shaft 18 and with the tumbling-type bearing that is fixed on main shaft 18 both end sides simultaneously 19 forms middle running part; Left side at main shaft 18 is equipped with axle head support plate 25 near driven pulley 12 places; The supporting bearing seat that is equipped with on the bearing 19, main shaft 18 right sides intersect pin through antarafacial and fixedly are shaped on eccentric wheel 11 and are connected with slide mass 20 in the slip detection platform 10 through connecting rod 21; The downside of slip detection platform 10 is fixed on the guide rail 9 through oat tail groove structure, and slip detection platform 10 upper end side are fixedly connected through screw thread and are shaped on the friction model 3 that detects usefulness, and the inside of slip detection platform 10 is equipped with attemperating unit 13; Directly over slip detection platform 10, be provided with load adjusting device 24 (like Fig. 1 and shown in Figure 2); Sample holder device 14 is fixed on the load adjusting device 24 through leading screw 23; On leading screw 23 tops, fixedly be shaped on application of force handle 4; The next door parallel construction of application of force handle 4 is shaped on displacement joystick 5, and displacement joystick 5 is fixed on the load adjusting device 24 through leading screw 23 folding types, and load adjusting device 24 vertically is connected on the support plate 15; Load adjusting device 24, wear measurement device 8, display 6 and controller 7 fixed order constitute the monoblock type pick-up unit on base 16.
Present embodiment is divided into controller 7, data acquisition unit 17, attemperating unit 13, load adjusting device 24, slip detection platform 10, display 6 by function and comprises the mechanical hook-up of body; Mechanical hook-up partly comprises motor 1, driven pulley 12, eccentric wheel 11, main shaft 18, bearing 19, support plate 15, connecting rod 21, slide mass 20, guide rail 9, friction model 3 and base 16; Wherein, vertically support plate 15, base 16 are mechanical hook-ups of robust detection device.
Controller that present embodiment relates to 7 is realized assigning, instruct the gathering and computing of transmission, image data of pick-up unit various actions instruction; Data acquisition unit 17 is realized the collection and the transmission of load data, temperature data and motion factor data; Heating, cooling and heat insulation function that attemperating unit 13 is realized between friction model 3 and the sample to be tested; Display 6 shows current load, pressure, temperature and kinematic parameter, and shows friction factor and the associated change curve of being accomplished by controller 7 information processings; Load adjusting device 24 comprises support plate 15, leading screw 23, application of force handle 4 and the displacement joystick 5 of load, realizes sample is exerted pressure the variation of processings, control vertical direction load-up condition with the continuous mechanical environment of adjustment detection as requested; Slip detection platform 10 is made up of slide mass 20, attemperating unit 13 and the friction model 3 of dovetail structure, realizes the effectively fixing and fricting movement of material friction sample; Wear measurement device 8 is accomplished and is detected the mass change of material in friction process.
The processing step of the detection method of present embodiment comprises:
(1) start before operation: choose earlier the friction coupons of the rubber that constant weight and shape specification are arranged that will measure be clamped on the sample holder device 14; And the detection model of choosing material requested and surface quality carries out effectively fixing on slip detection platform 10; Swing offset joystick 5 is close on the model friction sample of rubber, and adjusts the pressure load size through rotation application of force handle 4;
(2) temperature control operation: detect model through 13 pairs of attemperating units that are installed in slip detection platform 10 belows again and heat, when temperature displayed reaches design temperature on the display 6, through controller 7 open detection devices and implement the insulation measure;
(3) detecting operation: controller 7 is assigned instruction and is opened motor 1; Checkout gear is under motor 1 drives; The transmission of the transmission system that the rotation of motor 1 is formed by belt 2, driven pulley 12 and eccentric wheel 11 realizes reciprocatingly sliding of slip detection platform 10; The friction sample of continuous friction rubber; And, calculate coefficient of friction by formula by each data constantly of sensor acquisition;
(4) synchronous display operation: in the testing process, the mass change of measuring in the material friction processes through wear measurement device 8, and through data acquisition unit controller 7 is advanced in 17 transmission, pass through the correlation computations analysis at last, on display 6, show related data and curve;
(5) shutdown operation: controller 7 is assigned instruction disable motor 1, successively the friction sample of rubber is dismantled, and collator is preserved and reprocessing analysis display 6 recorded data simultaneously.
The temperature data acquisition device 17 that present embodiment is arranged on the frictional contact surface has 6, is evenly distributed on the privileged site of friction model 3 respectively, and distribution situation is as shown in Figure 3, for its temperature data T that gathers at one time
i(i=1,2,34,5,6), controller 7 draws final collection result to remaining The data weighted mean processing after according to established standards interfering data being filtered, and equation expression is:
K wherein
iWeights for data collection point.
Claims (1)
1. a rubber dynamic friction wear detector is characterized in that agent structure comprises motor, belt, friction model, application of force handle, displacement joystick, display, controller, wear measurement device, guide rail, slip detection platform, eccentric wheel, driven pulley, attemperating unit, sample holder device, support plate, base, data acquisition unit, main shaft, bearing, driving pulley, connecting rod, slide mass, leading screw, load adjusting gear and axle head support plate; Motor is connected with driving pulley and forms the belt-type drive mechanism by driving pulley through belt and driven pulley; The slotting key formula of driven pulley is fastened on the main shaft and with the tumbling-type bearing that is fixed on the main shaft both end sides simultaneously forms middle running part; Left side at main shaft is equipped with the axle head support plate near the driven pulley place; The supporting bearing seat that is equipped with on the bearing, main shaft right side intersect pin through antarafacial and fixedly are shaped on eccentric wheel and are connected with slide mass in the slip detection platform through connecting rod; The downside of slip detection platform is fixed on the guide rail through oat tail groove structure, and slip detection platform upper end side is fixedly connected through screw thread and is shaped on the friction model that detects usefulness, and the inside of slip detection platform is equipped with attemperating unit; Directly over the slip detection platform, be provided with load adjusting device; The sample holder device is fixed on the load adjusting device through leading screw; On the leading screw top, fixedly be shaped on application of force handle; The next door parallel construction of application of force handle is shaped on the displacement joystick, and the displacement joystick is fixed on the load adjusting device through the leading screw folding type, and load adjusting device vertically is connected on the support plate; Load adjusting device, wear measurement device, display and controller fixed order constitute the monoblock type pick-up unit on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200771617U CN202512051U (en) | 2012-03-05 | 2012-03-05 | Rubber dynamic friction abrasion detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200771617U CN202512051U (en) | 2012-03-05 | 2012-03-05 | Rubber dynamic friction abrasion detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512051U true CN202512051U (en) | 2012-10-31 |
Family
ID=47064529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200771617U Expired - Fee Related CN202512051U (en) | 2012-03-05 | 2012-03-05 | Rubber dynamic friction abrasion detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202512051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590078A (en) * | 2012-03-05 | 2012-07-18 | 青岛科技大学 | Rubber dynamic friction wear detection device |
-
2012
- 2012-03-05 CN CN2012200771617U patent/CN202512051U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590078A (en) * | 2012-03-05 | 2012-07-18 | 青岛科技大学 | Rubber dynamic friction wear detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102590078A (en) | Rubber dynamic friction wear detection device | |
| CN102879197B (en) | Online detection tester for rotary drive pair mechanism | |
| CN108051328B (en) | Multifunctional friction and wear testing machine based on pin disc friction pair and testing method thereof | |
| CN102590003A (en) | Rubber dynamic friction-wear detection method | |
| CN100533115C (en) | Rubber abrasion test equipment | |
| CN205981688U (en) | Joint bearing life testing machine | |
| CN2466625Y (en) | Pull-pressing spring tester | |
| CN207866641U (en) | A kind of multifunction friction wear testing machine secondary based on the friction of pin disk | |
| CN105699078B (en) | A kind of multifunctional universal of adjustable angle is coupler test-bed | |
| CN201004038Y (en) | A rubber wearing testing device | |
| CN108169047A (en) | A kind of novel friction abrasion tester for testing film material | |
| CN107449732A (en) | A kind of rubber friction experimental machine and experimental method | |
| CN103558106B (en) | A kind of rolling friction abrasion test device | |
| CN107505259A (en) | A kind of rotary skin-friction coefficient test system and method for testing | |
| CN205898586U (en) | Bituminous mixture bending test testing arrangement | |
| CN102507170A (en) | Contact fatigue life prediction testing machine | |
| CN105181575A (en) | Tester for friction coefficient between rubber belts and testing method | |
| CN106248279A (en) | Force of rolling friction and coefficient of rolling friction determinator | |
| CN108982272A (en) | A kind of peanut picking collision friction wear tester | |
| CN202512051U (en) | Rubber dynamic friction abrasion detection device | |
| CN202735182U (en) | Rubber high-temperature abrasion detection equipment | |
| CN209802900U (en) | Push-and-pull stroke adjustable friction-resistant detection mechanism | |
| CN202420999U (en) | Wear tester | |
| CN201063050Y (en) | Apparatus for measuring wiping of charged friction pair | |
| CN208580017U (en) | A kind of rubber material surface friction property test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20140305 |