CN201974359U - End-surface twisting friction-wear testing machine - Google Patents
End-surface twisting friction-wear testing machine Download PDFInfo
- Publication number
- CN201974359U CN201974359U CN2011200408544U CN201120040854U CN201974359U CN 201974359 U CN201974359 U CN 201974359U CN 2011200408544 U CN2011200408544 U CN 2011200408544U CN 201120040854 U CN201120040854 U CN 201120040854U CN 201974359 U CN201974359 U CN 201974359U
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model relates to an end-surface twisting friction-wear testing machine, which comprises a driving device and a pressure loading device, wherein the driving device comprises a servo motor, a speed reducer, an eccentric wheel and a connecting rod, and the pressure loading device comprises a force sensor, a thrust ball bearing, a fixed part, a main shaft, a rotary disk, a rotary-disk connecting rod, a tray, a torque sensor, a lifting shaft, a sliding-sleeve part and a hydraulic cylinder. A test piece is axially pressurized through the hydraulic cylinder, the test piece is driven by a connecting-rod driving mechanism to generate friction twist, a friction-torque value is measured through the torque sensor, and a positive-pressure value is measured through the force sensor to obtain a friction-coefficient value. End-surface contacted twisting friction-wear tests under different working conditions can be simulated by setting different positive pressures, twisting frequencies and the like, and the friction torque is accurately measured; and the end-surface twisting friction-wear testing machine is steady and precise in loading and has a small impact, and the dynamic loading can be realized. The end-surface twisting friction-wear testing machine has the advantages of simple structure, convenience in operation and good testing effect.
Description
Technical field
The utility model relates to friction wear testing machine and method, especially a kind of end face twisting friction wear testing machine and method that is applicable to the friction pair performance test under the twisting friction duty.
Background technology
The two-phase mutual connection touches that object takes place to move relatively or when relative movement trend was arranged, the tangential resistance F that produces on the surface of contact was called friction force under external force P effect, this impedance phenomenon is called friction.Forms of motion by kinematic pair can be divided into sliding friction and rolling friction.In the laboratory, the testing machine that is used to study sliding friction is very many, and its principal mode has ring-piece formula, pin-disc type, end face to the form of rubbing, fretting wear form etc.The twisting friction is meant that the back and forth relative motion of rotation takes place the Contact Pair contact interface under certain load, in producing and living, extensively exist, replacement joint such as hip joint, knee joint and joint of vertebral column from ball valve commonly used to human body, and in the communications and transportation a large amount of reciprocal revolving parts that exist such as the polymer plane in the engineering machinery slide that revolution is supported, the cartridge that turns to rotary disk and train bogie of auto trailer etc.
At different wear forms, there has been multiple testing machine in the laboratory.As the M2000 friction wear testing machine, vertical universal testing machine, pin-on-disc friction wear testing machine, CETR experimental machine etc.But these testing machines mostly are single abrasion tester, can realize the linear reciprocating motion and the rotation formula of various amplitude as the CETR testing machine, can not realize twisting forms of motion.Also there is not at present a kind of twisting friction wear testing machine that can be used for realizing the end face contact.
Summary of the invention
Technical matters: the purpose of this utility model provides a kind of end face twisting friction wear testing machine, by the accurately twisting friction condition in the simulated condition of normal pressure, motor speed and reciprocating frequence is set, the friction factor of test twisting friction pair, thus the end face that can accurately simulate different twisting operating modes twists friction-wear test.
Technical scheme: end face twisting friction wear testing machine of the present utility model, comprise gearing and pressure-loaded device, described gearing comprises the servomotor that vertically is laid on the base, links to each other with servomotor and is fixed on the speed reduction unit on the motor frame, speed reduction unit is provided with eccentric wheel, and eccentric wheel is provided with connecting rod; Described pressure-loaded device comprises that symmetry is located at the column on the under casing and is located at the fixed mount that the back timber on the column constitutes, be connected with force transducer, thrust ball bearing on the back timber of fixed mount in turn, be sleeved on fixture, main shaft and rotating disk in the column, rotating disk is provided with the rotating disk web joint that is connected with connecting rod; Be provided with the hydraulic cylinder of vertical laying in the under casing, the plunger of hydraulic cylinder passes under casing and is connected with lift shaft, is connected with torque sensor on the lift shaft, is connected with the pallet that is interlocked with rotating disk on the torque sensor; The outer wall of lift shaft is provided with the slip cap that is sleeved on the column.
Described rotating disk that is interlocked and pallet inner face symmetry have the groove of placing upper and lower test specimen; Described rotating disk web joint is fan-shaped.
Beneficial effect: owing to adopted technique scheme, the utility model can realize the twisting friction-wear test of end face contact and the twisting friction-wear test under the fatigue state; Can be by different normal pressures being set, the working condition that simulation such as different twisting frequencies is different; Just can conveniently adjust the required twisting angle of test by the length of adjusting four each rod member of jointed gear unit; Power source partly adopts servomotor, and the output staring torque is big, and is convenient to control twisting frequency; Adopt static torque sensor measurement friction torque, friction torque is measured accurately; Pressure adopts the close-loop control mode of hydraulic loaded and force sensor measuring, loads steady precision, impacts for a short time, and can realize dynamic load.It is simple in structure, and is easy to operate, and test effect is good, and the end face twisting rubbing wear to the research and development member reduces the twisting rubbing wear problem that occurs in the engineering, improves the performance and the life-span of equipping with apparatus, and energy savings has crucial meaning.
Description of drawings
Fig. 1 is the utility model end face twisting friction wear testing machine structural front view.
Fig. 2 is the utility model end face twisting friction wear testing machine structure side view.
Fig. 3 is the utility model end face twisting friction wear testing machine structure vertical view.
Among the figure: 1-base, 2-servomotor, 3-motor frame, 4-speed reduction unit, the 5-eccentric wheel, 6-connecting rod, 7-column, 8-fixed mount, the 9-force transducer, 10-thrust ball bearing, 11-fixture, 12-main shaft, the 13-rotating disk, the last test specimen of 14-, test specimen under the 15-, 16-pallet, the 17-torque sensor, 18-lift shaft, 19-sliding suite, the 20-hydraulic cylinder, 21-rotating disk web joint, 22-under casing.
Embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
End face twisting friction wear testing machine of the present utility model, mainly constitute by gearing and pressure-loaded device, gearing comprises the servomotor 2 that vertically is installed on the base 1, the output shaft of servomotor 2 is connected with the speed reduction unit of fixing through motor frame 34, the output shaft of speed reduction unit 4 is connected with eccentric wheel 5, and eccentric wheel 5 is provided with connecting rod 6; The pressure-loaded device comprises that symmetry is located at the column 7 on the under casing 22 and is located at the fixed mount that the back timber 8 on the column 7 constitutes, be connected with force transducer 9, thrust ball bearing 10 on the back timber 8 of fixed mount in turn, be sleeved on fixture 11, main shaft 12 and rotating disk 13 in the column 7, rotating disk 13 usefulness screws are connected with main shaft 12, rotating disk 13 is provided with the rotating disk web joint 21 that is connected with connecting rod 6, and rotating disk web joint 21 is fan-shaped.Be provided with the hydraulic cylinder 20 of vertical laying in the under casing 22, the plunger of hydraulic cylinder 20 passes under casing 22 and is connected with lift shaft 18, be connected with torque sensor 17 through spline on the lift shaft 18, be connected with the pallet 16 that is interlocked with rotating disk 13 on the torque sensor 17, the upper end of torque sensor 17 adopts spline to be connected with pallet 16; Pallet 16 upper surfaces are provided with places the groove of test specimen 15 down, and rotating disk 13 lower surfaces are provided with places the groove of going up test specimen 14, and the outer wall of lift shaft 18 is provided with the slip cap 19 that is sleeved on the column 7, and connected mode is for being threaded; Fixture 11 is a column, and both sides are connected with the loop bar that is sleeved in the column 7, and fixture 11 and slip cap 19 can move up and down along column 7.
Principle of work: adopt servomotor 2 by rotating disk 13 twistings that rub on the connecting rod 6 gear train drive shaft 12, normal pressure is carried out axial pressure by 20 pairs of test specimens of hydraulic cylinder, torque sensor 17 is measured friction torque, force transducer 9 is measured normal pressure, and deliver to data acquisition control system, draw friction factor and setting friction factor-angular displacement curve under load and the rotating speed by the data acquisition control system analysis.
Claims (3)
1. an end face twists friction wear testing machine, it is characterized in that: comprise gearing and pressure-loaded device, described gearing comprises the servomotor (2) that vertically is laid on the base (1), links to each other with servomotor (2) and is fixed on the speed reduction unit (4) on the motor frame (3), speed reduction unit (4) is provided with eccentric wheel (5), and eccentric wheel (5) is provided with connecting rod (6); Described pressure-loaded device comprises that symmetry is located at the column (7) on the under casing (22) and is located at the fixed mount that the back timber (8) on the column (7) constitutes, be connected with force transducer (9), thrust ball bearing (10) on the back timber of fixed mount (8) in turn, be sleeved on fixture (11), main shaft (12) and rotating disk (13) in the column (7), rotating disk (13) is provided with the rotating disk web joint (21) that is connected with connecting rod (6); Be provided with the hydraulic cylinder (20) of vertical laying in the under casing (22), the plunger of hydraulic cylinder (20) passes under casing (22) and is connected with lift shaft (18), be connected with torque sensor (17) on the lift shaft (18), be connected with the pallet (16) that is interlocked with rotating disk (13) on the torque sensor (17); The outer wall of lift shaft (18) is provided with the slip cap (19) that is sleeved on the column (7).
2. end face twisting friction wear testing machine according to claim 1, it is characterized in that: described rotating disk that is interlocked (13) and pallet (16) inner face symmetry have the groove of placing upper and lower test specimen (14,15).
3. end face twisting friction wear testing machine according to claim 1, it is characterized in that: described rotating disk web joint (21) is fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200408544U CN201974359U (en) | 2011-02-18 | 2011-02-18 | End-surface twisting friction-wear testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200408544U CN201974359U (en) | 2011-02-18 | 2011-02-18 | End-surface twisting friction-wear testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974359U true CN201974359U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200408544U Expired - Lifetime CN201974359U (en) | 2011-02-18 | 2011-02-18 | End-surface twisting friction-wear testing machine |
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| CN (1) | CN201974359U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175598A (en) * | 2011-02-18 | 2011-09-07 | 中国矿业大学 | End face torsion frictional wear testing machine and method |
| CN103592192A (en) * | 2013-07-18 | 2014-02-19 | 合肥工业大学 | End face friction and abrasion tester |
| CN104359676A (en) * | 2014-11-11 | 2015-02-18 | 上海理工大学 | Thrust bearing experiment table |
| CN104713708A (en) * | 2013-12-12 | 2015-06-17 | 中航商用航空发动机有限责任公司 | Spindle fatigue test device |
| CN108507895A (en) * | 2018-06-13 | 2018-09-07 | 吉林大学 | A kind of vertical type multifunctional friction-wear test test machine |
| CN108760551A (en) * | 2018-06-06 | 2018-11-06 | 中国科学院宁波材料技术与工程研究所 | The device and method of the secondary assessment material abrasion behavior of Wheel-type friction |
| CN109540782A (en) * | 2018-10-23 | 2019-03-29 | 中国科学院理化技术研究所 | Pin disc type friction and wear testing machine |
| CN110095365A (en) * | 2019-03-13 | 2019-08-06 | 三峡大学 | It is a kind of for simulating hydraulic turbine carbon brush-collector ring current-carrying frictional wear testing machine |
| CN110196129A (en) * | 2018-02-26 | 2019-09-03 | 斯凯孚公司 | The especially testing stand of the slewing of strut bearing unit |
| CN110196128A (en) * | 2018-02-26 | 2019-09-03 | 斯凯孚公司 | Measure the unit of friction torque and the testing stand equipped with the unit under load |
| CN110763585A (en) * | 2019-12-04 | 2020-02-07 | 吉林大学 | Rotation type mechanical friction interface normal position information acquisition device |
| CN111175222A (en) * | 2018-11-12 | 2020-05-19 | 中国石油化工股份有限公司 | Friction coefficient testing device |
| CN111896408A (en) * | 2020-07-07 | 2020-11-06 | 中国煤炭科工集团太原研究院有限公司 | Automatic detection device for abrasion of guide sliding shoes of coal mining machine |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
| CN113624476A (en) * | 2021-08-11 | 2021-11-09 | 浙江大学 | Spine circulation motion simulation testing machine |
| CN113740246A (en) * | 2021-08-30 | 2021-12-03 | 华中科技大学 | Overcome vertical tractive thermal friction test machine of high temperature sheet material gravity bending |
-
2011
- 2011-02-18 CN CN2011200408544U patent/CN201974359U/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175598A (en) * | 2011-02-18 | 2011-09-07 | 中国矿业大学 | End face torsion frictional wear testing machine and method |
| CN103592192A (en) * | 2013-07-18 | 2014-02-19 | 合肥工业大学 | End face friction and abrasion tester |
| CN104713708A (en) * | 2013-12-12 | 2015-06-17 | 中航商用航空发动机有限责任公司 | Spindle fatigue test device |
| CN104713708B (en) * | 2013-12-12 | 2017-11-21 | 中国航发商用航空发动机有限责任公司 | Main shaft fatigue experimental device |
| CN104359676A (en) * | 2014-11-11 | 2015-02-18 | 上海理工大学 | Thrust bearing experiment table |
| CN110196128A (en) * | 2018-02-26 | 2019-09-03 | 斯凯孚公司 | Measure the unit of friction torque and the testing stand equipped with the unit under load |
| CN110196128B (en) * | 2018-02-26 | 2022-07-05 | 斯凯孚公司 | Unit for measuring friction torque under load and test bench equipped with same |
| CN110196129B (en) * | 2018-02-26 | 2022-03-11 | 斯凯孚公司 | Test stand for a rotating device, in particular a suspension bearing unit |
| CN110196129A (en) * | 2018-02-26 | 2019-09-03 | 斯凯孚公司 | The especially testing stand of the slewing of strut bearing unit |
| CN108760551A (en) * | 2018-06-06 | 2018-11-06 | 中国科学院宁波材料技术与工程研究所 | The device and method of the secondary assessment material abrasion behavior of Wheel-type friction |
| CN108507895A (en) * | 2018-06-13 | 2018-09-07 | 吉林大学 | A kind of vertical type multifunctional friction-wear test test machine |
| CN108507895B (en) * | 2018-06-13 | 2024-03-19 | 吉林大学 | Vertical multifunctional friction and wear test machine |
| CN109540782B (en) * | 2018-10-23 | 2021-08-20 | 中国科学院理化技术研究所 | Pin disc type friction and wear testing machine |
| CN109540782A (en) * | 2018-10-23 | 2019-03-29 | 中国科学院理化技术研究所 | Pin disc type friction and wear testing machine |
| CN111175222A (en) * | 2018-11-12 | 2020-05-19 | 中国石油化工股份有限公司 | Friction coefficient testing device |
| CN111175222B (en) * | 2018-11-12 | 2022-07-22 | 中国石油化工股份有限公司 | Friction coefficient testing device |
| CN110095365A (en) * | 2019-03-13 | 2019-08-06 | 三峡大学 | It is a kind of for simulating hydraulic turbine carbon brush-collector ring current-carrying frictional wear testing machine |
| CN110763585A (en) * | 2019-12-04 | 2020-02-07 | 吉林大学 | Rotation type mechanical friction interface normal position information acquisition device |
| CN111896408A (en) * | 2020-07-07 | 2020-11-06 | 中国煤炭科工集团太原研究院有限公司 | Automatic detection device for abrasion of guide sliding shoes of coal mining machine |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
| CN113624476A (en) * | 2021-08-11 | 2021-11-09 | 浙江大学 | Spine circulation motion simulation testing machine |
| CN113624476B (en) * | 2021-08-11 | 2022-04-01 | 浙江大学 | Spine circulation motion simulation testing machine |
| CN113740246A (en) * | 2021-08-30 | 2021-12-03 | 华中科技大学 | Overcome vertical tractive thermal friction test machine of high temperature sheet material gravity bending |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20120905 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20120905 |