CN109900578B - Particle abrasion test device and test method - Google Patents
Particle abrasion test device and test method Download PDFInfo
- Publication number
- CN109900578B CN109900578B CN201910242270.6A CN201910242270A CN109900578B CN 109900578 B CN109900578 B CN 109900578B CN 201910242270 A CN201910242270 A CN 201910242270A CN 109900578 B CN109900578 B CN 109900578B
- Authority
- CN
- China
- Prior art keywords
- joint bearing
- hard film
- stirring
- particle
- fixedly arranged
- 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.)
- Active
Links
- 239000002245 particle Substances 0.000 title claims abstract description 65
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000010998 test method Methods 0.000 title claims abstract description 13
- 238000005299 abrasion Methods 0.000 title abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 238000005507 spraying Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 46
- 239000003638 chemical reducing agent Substances 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000002105 nanoparticle Substances 0.000 claims description 2
- 238000011056 performance test Methods 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a particle abrasion test device and a method, which relate to the technical field of abrasive particle abrasion performance tests, wherein the test device comprises: the device comprises a bottom bracket, a torsion mechanism, a test bed, a radial loading mechanism and a particle conveying mechanism; the torsion mechanism is fixedly arranged on the bottom bracket, the output end of the torsion mechanism is connected with the inner ring of the joint bearing, the test bed is used for placing the outer ring of the joint bearing, and the outer ring of the joint bearing is matched with the inner ring of the joint bearing; the radial loading mechanism is arranged on the bottom bracket, and a main shaft matched with the inner ring of the joint bearing is connected with the radial loading mechanism and used for applying load to the main shaft so as to radially load the hard film; the particle conveying mechanism is used for spraying particles to the hard film, so that the defect that the abrasive particle abrasion performance of the hard film cannot be accurately tested by the existing test method is overcome, the abrasion process of the hard film of the coated joint bearing under the working conditions of low-speed heavy load and torsion rolling can be simulated, and the abrasive particle abrasion performance test is accurate.
Description
Technical Field
The invention relates to the technical field of abrasive particle wear performance tests, in particular to a particle wear test device and a particle wear test method.
Background
In the running process of the landing gear joint bearing of the helicopter, the running environment is low-speed heavy-load and torsion rolling, and meanwhile, fine particles in the air fall onto the landing gear joint bearing and can cause wear of the abrasive particles of the superfine particles on the inner ring and the outer ring of the joint bearing, so that the use of the helicopter is affected. In order to solve the problem, the prior art adopts a vapor deposition method to plate hard films on the surfaces of the inner ring and the outer ring of the joint bearing. However, in the prior art, a device for simulating a heavy-load low-speed rolling condition does not exist, so that the abrasive wear performance of the hard film cannot be accurately evaluated.
The common abrasive wear test methods include a rubber wheel abrasive wear test method and a pin disc abrasive wear test method, but the thickness of a hard film deposited by vapor phase is too thin, and the hard film can be quickly worn off by adopting the two methods, so that the test method cannot simulate the working conditions of low-speed heavy load and torsion rolling of the hard film, and the abrasive wear performance test is inaccurate.
Disclosure of Invention
The invention aims to provide a particle abrasion test device and a test method, which are used for solving the problems in the prior art, simulating the abrasion process of a hard film of a film-coated joint bearing under the working conditions of low-speed heavy load and torsion rolling, and ensuring the accuracy of abrasive particle abrasion performance test.
In order to achieve the above object, the present invention provides the following solutions:
The invention provides a particle wear test device, which comprises a bottom bracket, a torsion mechanism, a test bed, a radial loading mechanism and a particle conveying mechanism, wherein the torsion mechanism is arranged on the bottom bracket; the torsion mechanism is fixedly arranged on the bottom bracket, the output end of the torsion mechanism is connected with the inner ring of the joint bearing and is used for driving a hard film arranged on the outer spherical surface of the inner ring of the joint bearing to twist relative to the outer ring of the joint bearing, the test bed fixedly arranged on the bottom bracket is used for placing the outer ring of the joint bearing, and the outer ring of the joint bearing is matched with the inner ring of the joint bearing; the radial loading mechanism is fixedly arranged on the bottom bracket, a main shaft matched with the inner ring of the knuckle bearing is connected with the output end of the radial loading mechanism, and the radial loading mechanism is used for applying load to the main shaft so as to radially load the hard film; the particle conveying mechanism is fixedly arranged on the bottom bracket and used for spraying particles to the hard film.
Preferably, the torsion mechanism comprises a servo motor, an encoder, a helical gear reducer and a universal coupling; the servo motor and the bevel gear reducer are fixedly arranged on the bottom bracket, the input end of the servo motor is fixedly connected with the encoder, the output end of the servo motor is connected with the input end of the bevel gear reducer, the output end of the bevel gear reducer is connected with one end of the universal coupling, and the other end of the universal coupling is connected with the main shaft.
Preferably, the radial loading mechanism comprises an oil cylinder bracket, an oil cylinder and a force application rod; the oil cylinder support is fixedly arranged on the bottom support, the oil cylinder is fixedly arranged on the oil cylinder support, the output end of the oil cylinder is fixedly connected with one end of the force application rod, and the other end of the force application rod is fixedly connected with the main shaft.
Preferably, the particulate delivery mechanism is a nanoscale particulate delivery mechanism.
Preferably, the particle conveying mechanism comprises a stirring motor, a speed reducer, a pressurizing stirring tank, a stirring bracket and a pressurizing device; the stirring motor with the speed reducer is all fixed to be set up the pressurization agitator tank top, just the output of stirring motor with the input of speed reducer is connected, the output of speed reducer with the agitator in the pressurization agitator tank is connected, the pressurization agitator tank fixed set up in on the stirring support, stirring support fixed connection in on the bottom support, the charge door has been seted up on the pressurization agitator tank, through the charge door to add particle and volatile liquid in the pressurization agitator tank, the pressurizing device fixed set up in on the bottom support, and with the pressurization agitator tank is connected, be used for to carry high-pressure gas in the pressurization agitator tank.
Preferably, the particle conveying mechanism further comprises a powder conveying pipe, a pneumatic gate valve and a powder spraying pipe; the pneumatic gate valve is fixedly arranged on the stirring bracket, one end of the powder feeding pipe is communicated with the pressurizing stirring tank, the other end of the powder feeding pipe is connected with one end of the pneumatic gate valve, the other end of the pneumatic gate valve is connected with one end of the powder spraying pipe, and the other end of the powder spraying pipe is opposite to the hard film so as to spray particles on the hard film.
Preferably, the particle wear test device further comprises a discharge pipe and a discharge valve, one end of the discharge pipe is connected with the discharge opening at the lower end of the pressurized stirring tank, the other end of the discharge pipe is connected with the discharge valve, and whether the discharge valve is opened or not is used for controlling whether to discharge.
Preferably, the particle wear test device further comprises a coupling, one end of the coupling is connected with the output end of the speed reducer, and the other end of the coupling is connected with the stirrer.
The invention also provides a particle abrasion test method, which comprises the following steps:
Step one: applying radial load to the main shaft through the radial loading mechanism, and further transmitting the radial load to the hard film;
Step two: starting the torsion mechanism to drive the hard film between the inner ring and the outer ring of the knuckle bearing arranged on the main shaft to twist to a set angle in the forward direction and the reverse direction, and continuously and circularly twisting;
Step three: the particle delivery mechanism was activated to spray its internally filled particle suspension onto the hard film for testing the abrasive wear properties of the hard film.
Compared with the prior art, the invention has the following technical effects:
The invention provides a particle wear test device, which is characterized in that a radial loading mechanism is used for radially loading a main shaft, a torsion mechanism is used for driving a hard film arranged on the outer spherical surface of an inner ring of a joint bearing to twist relative to the outer ring of the joint bearing, the radial loading mechanism is used for loading the main shaft to radially load the hard film, and a particle conveying mechanism is used for spraying particles to the hard film, so that the wear process of the hard film arranged between the inner ring and the outer ring of the joint bearing under the working conditions of low-speed heavy load and torsion rolling is simulated, and the accuracy of the wear performance of the abrasive particles of the measured hard film is ensured;
The invention provides a particle abrasion test method, according to which abrasive particle abrasion performance test is carried out on a hard film, so that accuracy of abrasive particle abrasion performance test results is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a particulate wear test device according to the present invention.
Wherein: 1. the device comprises a test bed, 2, an outer ring of a joint bearing, 3, an encoder, 4, a servo motor, 5, a helical gear reducer, 6, a main shaft, 7, a universal coupling, 8, an inner ring of the joint bearing, 9, a force application rod, 10, an oil cylinder bracket, 11, an oil cylinder, 12, a stirring motor, 13, a reducer, 14, a powder feeding pipe, 15, a coupling, 16, a charging port, 17, a connecting flange, 18, a pressurizing port, 19, a stirring bracket, 20, a pressurizing stirring tank, 21, a pneumatic gate valve, 22, an air cylinder, 23, a discharge valve, 24 and a bottom bracket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the invention without any inventive effort, are intended to fall within the scope of the invention.
The invention aims to provide a particle abrasion test device which solves the problems in the prior art, can simulate the abrasion process of a hard film of a film-coated joint bearing under the working conditions of low speed, heavy load and torsion rolling, and ensures accurate abrasion performance test of abrasive particles.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1: the embodiment provides a particle abrasion test device, which comprises a bottom bracket 24, a torsion mechanism, a test stand 1, a radial loading mechanism and a particle conveying mechanism; the torsion mechanism is fixedly arranged on the bottom bracket 24, the output end of the torsion mechanism is connected with the inner ring 8 of the joint bearing, and is used for driving a hard film arranged on the outer spherical surface of the inner ring 8 of the joint bearing to twist relative to the outer ring 2 of the joint bearing, the test stand 1 fixedly arranged on the bottom bracket 24 is used for placing the outer ring 2 of the joint bearing, and the outer ring 2 of the joint bearing is matched with the inner ring 8 of the joint bearing; the radial loading mechanism is fixedly arranged on the bottom bracket 24, a main shaft matched with the inner ring 8 of the joint bearing is connected with the output end of the radial loading mechanism, and the radial loading mechanism is used for applying load to the main shaft so as to radially load the hard film; the particle conveying mechanism is fixedly arranged on the bottom bracket 24 and is used for spraying particles to a gap between the inner ring 8 of the joint bearing and the outer ring 2 of the joint bearing, so that the particles fall on the hard film, and the arrangement can simulate the abrasion process of the hard film of the coated joint bearing under the working condition of low-speed heavy load and torsion rolling, thereby ensuring accurate abrasive particle abrasion performance test results.
The torsion mechanism comprises a servo motor 4, an encoder 3, a helical gear reducer 5 and a universal coupling 7; the servo motor 4 and the bevel gear reducer 5 are fixedly arranged on the bottom bracket 24, the input end of the servo motor 4 is fixedly connected with the encoder 3, the encoder 3 is used for measuring the rotation angle, rotation speed and torque of the rotating shaft of the servo motor 4, the output end of the servo motor 4 is connected with the input end of the bevel gear reducer 5, the output end of the bevel gear reducer 5 is hinged with one end of the universal coupling 7, and the other end of the universal coupling 7 is hinged with the main shaft.
The radial loading mechanism comprises an oil cylinder bracket 10, an oil cylinder 11 and a force application rod 9; the oil cylinder support 10 is fixedly arranged on the bottom support 24, the oil cylinder 11 is fixedly arranged on the oil cylinder support 10, the output end of the oil cylinder 11 is fixedly connected with one end of the force application rod 9, the other end of the force application rod 9 is fixedly connected with the main shaft, the number of the force application rods 9 is two, the two force application rods are symmetrically arranged on two sides of the knuckle bearing, and radial load is applied to the main shaft, so that radial loading is carried out on the hard film.
The particle transport mechanism is a nanoscale particle transport mechanism.
The particle conveying mechanism comprises a stirring motor 12, a speed reducer 13, a pressurizing stirring tank 20, a stirring bracket 19 and a pressurizing device; the stirring motor 12 and the speed reducer 13 are fixedly arranged at the top of the pressurizing stirring tank 20, the output end of the stirring motor 12 is connected with the input end of the speed reducer 13, the output end of the speed reducer 13 is connected with a stirrer in the pressurizing stirring tank 20, the pressurizing stirring tank 20 is fixedly arranged on the stirring bracket 19, the stirring bracket 19 is fixedly connected to the bottom bracket 24, the pressurizing stirring tank 20 is provided with a charging port 16, particles and volatile liquid are added into the pressurizing stirring tank 20 through the charging port 16, the pressurizing device is fixedly arranged on the bottom bracket 24 and is connected with the pressurizing stirring tank 20 through a pressurizing port 18 on the pressurizing stirring tank 20, and the pressurizing stirring tank is used for conveying high-pressure gas into the pressurizing stirring tank 20.
The particle conveying mechanism also comprises a powder conveying pipe 14, a pneumatic gate valve 21 and a powder spraying pipe; the pneumatic gate valve 21 is fixedly arranged on the stirring bracket 19, one end of the powder feeding pipe 14 is communicated with the pressurizing stirring tank 20, the other end of the powder feeding pipe 14 is connected with one end of the pneumatic gate valve 21, the powder feeding pipe 14 is a hose, the position where the powder feeding pipe 14 is placed is convenient to select according to actual conditions, the other end of the pneumatic gate valve 21 is connected with one end of a powder spraying pipe, the powder spraying pipe is a hard pipe, the spraying direction of suspension is convenient to control, the air cylinder 22 is connected with the pneumatic gate valve 21 and is used for controlling whether the pneumatic gate valve 21 is opened or not, the other end of the powder spraying pipe is opposite to the hard film, so that the particle suspension is sprayed onto the hard film, and volatile liquid in the particle suspension volatilizes in the spraying process, so that particles pass through a gap between the inner ring 8 of the joint bearing and the outer ring 2 of the joint bearing.
The particle wear test device further comprises a discharge pipe and a discharge valve 23, one end of the discharge pipe is connected with the discharge opening at the lower end of the pressurized stirring tank 20, the other end of the discharge pipe is connected with the discharge valve 23, and whether the discharge valve 23 is opened or not is used for controlling whether to discharge.
The particle abrasion test device further comprises a coupling 15, one end of the coupling 15 is connected with the output end of the speed reducer 13, the other end of the coupling 15 is connected with a stirrer, and the stirrer is used for stirring volatile liquid and particles in the pressurized stirring tank 20, so that a particle suspension is obtained.
The invention also provides a particle abrasion test method, which comprises the following steps:
Step one: the starting oil cylinder 11 drives the force application rod 9 to apply radial load to the main shaft, so that the radial load is transferred to the hard film;
Step two: starting a servo motor 4, driving a helical gear reducer 5 to rotate forward to a set angle, driving the helical gear reducer 5 to rotate reversely to the set angle, driving a hard film between an inner ring 8 of a joint bearing and an outer ring 2 of the joint bearing on a main shaft to twist forward and reversely to the set angle by the helical gear reducer 5 through a universal coupling 7, and continuously and circularly twisting;
Step three: the pneumatic gate valve 21 of the fine particle transporting mechanism was opened, and the fine particle suspension in the pressurized stirring tank 20 filled with the high-pressure gas was sprayed onto the hard film to test the abrasive wear performance of the hard film.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (7)
1. A particulate wear test device, characterized in that: the device comprises a bottom bracket, a torsion mechanism, a test bed, a radial loading mechanism and a particle conveying mechanism; the torsion mechanism is fixedly arranged on the bottom bracket, the output end of the torsion mechanism is connected with the inner ring of the joint bearing and is used for driving the inner ring of the joint bearing to twist relative to the outer ring of the joint bearing, the test bed fixedly arranged on the bottom bracket is used for placing the outer ring of the joint bearing, the outer ring of the joint bearing is matched with the inner ring of the joint bearing, and the torsion mechanism comprises a servo motor, an encoder, a helical gear reducer and a universal coupling; the servo motor and the bevel gear reducer are fixedly arranged on the bottom bracket, the input end of the servo motor is fixedly connected with the encoder, the output end of the servo motor is connected with the input end of the bevel gear reducer, the output end of the bevel gear reducer is connected with one end of the universal coupling, and the other end of the universal coupling is connected with the main shaft; the radial loading mechanism is fixedly arranged on the bottom bracket, a main shaft matched with the inner ring of the joint bearing is connected with the output end of the radial loading mechanism, and the radial loading mechanism is used for applying load to the main shaft so as to radially load the hard film; the particle conveying mechanism is fixedly arranged on the bottom bracket and used for spraying particles to the hard film, and comprises a stirring motor, a speed reducer, a pressurizing stirring tank, a stirring bracket and a pressurizing device; the stirring motor with the speed reducer is all fixed to be set up the pressurization agitator tank top, just the output of stirring motor with the input of speed reducer is connected, the output of speed reducer with the agitator in the pressurization agitator tank is connected, the pressurization agitator tank fixed set up in on the stirring support, stirring support fixed connection in on the bottom support, the charge door has been seted up on the pressurization agitator tank, through the charge door to add particle and volatile liquid in the pressurization agitator tank, the pressurizing device fixed set up in on the bottom support, and with the pressurization agitator tank is connected, be used for to carry high-pressure gas in the pressurization agitator tank.
2. The particulate wear test device according to claim 1, wherein: the radial loading mechanism comprises an oil cylinder bracket, an oil cylinder and a force application rod; the oil cylinder support is fixedly arranged on the bottom support, the oil cylinder is fixedly arranged on the oil cylinder support, the output end of the oil cylinder is fixedly connected with one end of the force application rod, and the other end of the force application rod is fixedly connected with the main shaft.
3. The particulate wear test device according to claim 1, wherein: the particle conveying mechanism is a nanoscale particle conveying mechanism.
4. The particulate wear test device according to claim 1, wherein: the particle conveying mechanism also comprises a powder conveying pipe, a pneumatic gate valve and a powder spraying pipe; the pneumatic gate valve is fixedly arranged on the stirring bracket, one end of the powder feeding pipe is communicated with the pressurizing stirring tank, the other end of the powder feeding pipe is connected with one end of the pneumatic gate valve, the other end of the pneumatic gate valve is connected with one end of the powder spraying pipe, and the other end of the powder spraying pipe is opposite to the hard film so as to spray particles on the hard film.
5. The particulate wear test device according to claim 1, wherein: the device also comprises a discharge pipe and a discharge valve, wherein one end of the discharge pipe is connected with the discharge opening at the lower end of the pressurized stirring tank, the other end of the discharge pipe is connected with the discharge valve, and whether the discharge valve is opened or not is used for controlling whether to discharge.
6. The particulate wear test device according to claim 1, wherein: the stirring device is characterized by further comprising a coupler, wherein one end of the coupler is connected with the output end of the speed reducer, and the other end of the coupler is connected with the stirrer.
7. A test method based on the particulate wear test device according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
Step one: applying radial load to the main shaft through the radial loading mechanism, and further transmitting the radial load to the hard film;
Step two: starting the torsion mechanism to drive the hard film between the inner ring and the outer ring of the knuckle bearing arranged on the main shaft to twist to a set angle in the forward direction and the reverse direction, and continuously and circularly twisting;
Step three: the particle delivery mechanism was activated to spray its internally filled particle suspension onto the hard film for testing the abrasive wear properties of the hard film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242270.6A CN109900578B (en) | 2019-03-28 | 2019-03-28 | Particle abrasion test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242270.6A CN109900578B (en) | 2019-03-28 | 2019-03-28 | Particle abrasion test device and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109900578A CN109900578A (en) | 2019-06-18 |
| CN109900578B true CN109900578B (en) | 2024-06-04 |
Family
ID=66953117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910242270.6A Active CN109900578B (en) | 2019-03-28 | 2019-03-28 | Particle abrasion test device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109900578B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781079B (en) * | 2020-07-21 | 2023-08-25 | 山东开泰抛丸机械股份有限公司 | Abrasive material performance test machine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183279A (en) * | 1999-12-22 | 2001-07-06 | Macoho Co Ltd | Film evaluation tester and film evaluation testing method |
| RU2251674C2 (en) * | 2002-12-03 | 2005-05-10 | ОАО НПО "Сатурн" | Mode of evaluation of technical state of bearings of transmission of aviation engines |
| JP2005283416A (en) * | 2004-03-30 | 2005-10-13 | National Institute For Rural Engineering | Abrasion testing apparatus and its method |
| JP2009244237A (en) * | 2008-04-01 | 2009-10-22 | Isamu Nagatsuka | Abrasion testing method and abrasion testing apparatus |
| CN105675427A (en) * | 2016-04-11 | 2016-06-15 | 沈阳工业大学 | Slag slurry erosion wear testing machine for rubber material |
| CN205981688U (en) * | 2016-08-08 | 2017-02-22 | 洛阳轴研科技股份有限公司 | Joint bearing life testing machine |
| CN106644795A (en) * | 2016-09-23 | 2017-05-10 | 上海交通大学 | Testing machine for abrasive wear test of bearing bush |
| CN107505187A (en) * | 2017-09-14 | 2017-12-22 | 青岛科技大学 | A kind of new type rubber abrasiometer |
| CN107560852A (en) * | 2017-09-01 | 2018-01-09 | 西北工业大学 | Oscillating bearing pilot system |
| CN207007513U (en) * | 2017-07-10 | 2018-02-13 | 洛阳铭昊测控科技有限公司 | A kind of silt salt solution bearing tester |
| CN210071559U (en) * | 2019-03-28 | 2020-02-14 | 北京金轮坤天特种机械有限公司 | Particle abrasion test device |
-
2019
- 2019-03-28 CN CN201910242270.6A patent/CN109900578B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183279A (en) * | 1999-12-22 | 2001-07-06 | Macoho Co Ltd | Film evaluation tester and film evaluation testing method |
| RU2251674C2 (en) * | 2002-12-03 | 2005-05-10 | ОАО НПО "Сатурн" | Mode of evaluation of technical state of bearings of transmission of aviation engines |
| JP2005283416A (en) * | 2004-03-30 | 2005-10-13 | National Institute For Rural Engineering | Abrasion testing apparatus and its method |
| JP2009244237A (en) * | 2008-04-01 | 2009-10-22 | Isamu Nagatsuka | Abrasion testing method and abrasion testing apparatus |
| CN105675427A (en) * | 2016-04-11 | 2016-06-15 | 沈阳工业大学 | Slag slurry erosion wear testing machine for rubber material |
| CN205981688U (en) * | 2016-08-08 | 2017-02-22 | 洛阳轴研科技股份有限公司 | Joint bearing life testing machine |
| CN106644795A (en) * | 2016-09-23 | 2017-05-10 | 上海交通大学 | Testing machine for abrasive wear test of bearing bush |
| CN207007513U (en) * | 2017-07-10 | 2018-02-13 | 洛阳铭昊测控科技有限公司 | A kind of silt salt solution bearing tester |
| CN107560852A (en) * | 2017-09-01 | 2018-01-09 | 西北工业大学 | Oscillating bearing pilot system |
| CN107505187A (en) * | 2017-09-14 | 2017-12-22 | 青岛科技大学 | A kind of new type rubber abrasiometer |
| CN210071559U (en) * | 2019-03-28 | 2020-02-14 | 北京金轮坤天特种机械有限公司 | Particle abrasion test device |
Non-Patent Citations (2)
| Title |
|---|
| 粉-气混合流润滑试验装置及摩擦学特性;王家军;刘小君;王伟;刘焜;;农业工程学报;20081230(12);全文 * |
| 高铁轴承耐久性试验台的开发研究;杜峰;李伦;晁代勇;;机械与电子;20120724(第07期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109900578A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109900578B (en) | Particle abrasion test device and test method | |
| CN102175598B (en) | End face torsion frictional wear testing machine and method | |
| CN105158100B (en) | Wearing clearance adjustment type ring block friction wear testing machine | |
| CN107215480A (en) | A kind of Aircraft landing gear system brake dynamic simulation test bed frame | |
| CN101434030A (en) | Device for automatically screwing main flare nut and aligning hole | |
| CN205404023U (en) | Self -lubricating joint bearing no -load start -up force moment measuring apparatu | |
| CN109556982B (en) | Device and method for testing abrasive wear performance of heavy-load low-speed film abrasive particles | |
| CN210071559U (en) | Particle abrasion test device | |
| US11428625B2 (en) | Device for measuring friction coefficient under the condition of material periodic deformation | |
| CN108956352A (en) | For evaluating the experimental rig and test method of exemplar erosive wear resistant performance | |
| CN202442932U (en) | Device for testing material abrasion performance | |
| CN105727781A (en) | Grouting pump for high-pressure constant-flow test | |
| CN115155448A (en) | Automatic feeding device is used in floor processing | |
| CN106052765B (en) | Shield machine roller cutter device for dynamically detecting | |
| CN105954133B (en) | A kind of experimental facilities of swivel control head glue core abrasion | |
| CN104632908B (en) | Sticky coupling and sticky coupling testing test bed | |
| CN110508202A (en) | A kind of dispensing equipment that the mixture homogeneity generated for graphene is high | |
| CN113970030A (en) | Six-foot pipeline robot system with self-adjusting function | |
| CN107921437A (en) | Method for the method for determining to lift angle and for positioning grinder | |
| CN106697351B (en) | Double-station measuring cup metering device | |
| CN105547668B (en) | A kind of aero-brake performance testing device | |
| CN205719840U (en) | A kind of experimental facilities of swivel control head glue core abrasion | |
| CN109046099A (en) | A kind of bi-component gage mark coating process units with quantitative function | |
| WO2019161817A1 (en) | Coating device for objects, in particular components of turbomachines | |
| CN108488517A (en) | A kind of application method of Pneumatic crane tube steering knuckle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |