CN220912892U - Accompanying test device for high-speed light-load fatigue test of steel ball - Google Patents
Accompanying test device for high-speed light-load fatigue test of steel ball Download PDFInfo
- Publication number
- CN220912892U CN220912892U CN202322743788.2U CN202322743788U CN220912892U CN 220912892 U CN220912892 U CN 220912892U CN 202322743788 U CN202322743788 U CN 202322743788U CN 220912892 U CN220912892 U CN 220912892U
- Authority
- CN
- China
- Prior art keywords
- bearing
- assembly
- bearing seat
- test
- shaft
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000009661 fatigue test Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 230000001939 inductive effect Effects 0.000 claims description 10
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000005477 standard model Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a test accompanying device for high-speed light-load fatigue test of steel balls, which belongs to the technical field of test accompanying devices for fatigue test, an infrared sensor mounting frame is provided with a Ratai laser temperature sensor, the outer wall of a pulley shaft II is sleeved with a pulley, the outer wall of a reinforcing sleeve is sleeved with a short pulley, a loading wheel driving motor starts to drive the loading wheel to rotate at high speed, and in the process of rotating the loading wheel, a bearing ball is driven to rotate by friction force, so that for a measuring bearing ball tester, the state factors of the bearing ball under actual working conditions can be easily solved, and an electric system mainly comprises two parts: a loading shaft rotation speed control system; the temperature, noise, vibration and rotating speed measuring sensor system has the advantages of providing a relatively complete accompanying test device under the actual working condition environment for the bearing test testing machine, and initiatively utilizing the rotating speed loading of the loading shaft to be closer to the running state of the bearing balls under the actual working condition.
Description
Technical Field
The utility model relates to a test accompanying device for high-speed light-load fatigue test, in particular to a test accompanying device for high-speed light-load fatigue test of steel balls, and belongs to the technical field of test accompanying devices for fatigue test.
Background
In modern industrial production, bearings are widely applied in a plurality of fields, so damage can occur in the using process, the ball bearing generally consists of a retainer, an outer ring, an inner ring and balls, the positions of the balls are connected with other components, and therefore the service lives of the balls in the bearings are different according to different working condition environments. At present, the test for the bearing ball is few at home and abroad, and the test accompanying device of the high-rotation-speed tester is hardly owned. Therefore, the method has great significance for compensating the accompanying device of the bearing testing machine, has guiding significance for the bearing detection testing machine, is not developed for the bearing testing machine at home and abroad at present, is mainly used as a bearing friction and wear testing machine, and is less for the ball inside the bearing, so that the ball can rotate at a high speed only for key parts (balls), and can be more close to the actual working condition to obtain more accurate analysis conclusion.
The prior art is based on a test device for the whole bearing, the test research is carried out on the whole bearing performance, no single test is carried out on each part of the bearing, but the device can provide rotating speed for the balls in the bearing for test, so that the test device can be more close to the actual working condition when the ball testing machine is used for measuring the analysis test, and therefore, the test device for the high-speed light-load fatigue test of the steel balls is required, and the problems are solved.
Disclosure of utility model
The utility model mainly aims to provide a test accompanying device for fatigue test of steel balls with high speed, light load and measurable temperature and rotation speed.
The aim of the utility model can be achieved by adopting the following technical scheme:
A test-accompanying device for high-speed light-load fatigue test of steel balls comprises a bearing seat mounting plate, a bearing seat assembly is mounted in the middle of the top of the bearing seat mounting plate, an infrared sensor mounting frame is mounted at the joint of the bearing seat assembly, a high oil baffle plate is mounted on one side of the bearing seat assembly at the top opening of the bearing seat mounting plate, a low oil baffle plate is mounted on one side of the bottom of the inner bearing seat assembly of the bearing seat mounting plate, an O-shaped ring is sleeved at the joint of the low oil baffle plate and the bearing seat mounting plate, a Ratai laser temperature sensor is mounted on the infrared sensor mounting frame, a left ring shaft, a lower ring shaft and a right ring shaft are respectively mounted in the middle of the bearing seat assembly, a belt wheel shaft II is mounted at the outer end of the lower ring shaft, a reinforcing sleeve is mounted at the outer ends of the left ring shaft II, a belt wheel is sleeved at the outer wall of the reinforcing sleeve, a short belt wheel is sleeved at the outer wall of the reinforcing sleeve, a reinforcing sleeve and a belt wheel are respectively sleeved at the outer end of the right ring shaft, the joint of the reinforcing sleeve and the second belt wheel shaft with the left ring shaft, the lower ring shaft and the right ring shaft is sleeved with a coupling, a thermocouple assembly is arranged on the bearing seat assembly, a third inner hexagonal socket head screw is arranged at the joint of the reinforcing sleeve and the second belt wheel shaft with the left ring shaft, the lower ring shaft and the right ring shaft and is connected with a bearing seat mounting plate, a speed measuring assembly is arranged at one side of the middle of the bearing seat assembly and a high oil baffle, second O-shaped rings are respectively arranged at two sides of the opening of the bearing seat mounting plate at two ends of the outer side of the high oil baffle, the reinforcing sleeve and the second belt wheel shaft are connected by a belt wheel shaft, a supporting belt wheel bearing seat assembly is arranged at the outer side of the third inner hexagonal socket head screw, the belt wheel shaft is connected with a supporting belt wheel bearing seat assembly in a rotating way, belt wheel shaft locking nuts are respectively arranged at two sides of the middle of the third inner hexagonal socket head screw and the supporting belt wheel bearing seat assembly, the bearing seat assembly on two sides of the top of the bearing seat mounting plate is connected by a first hexagon socket head cap screw, and a second hexagon socket head cap screw is mounted on one side of the top of the bearing seat assembly.
Preferably, the thermocouple assembly comprises a thermocouple II, a rotating speed measuring L-shaped bracket and a thermocouple I, wherein the thermocouple II is arranged at two ends of the upper side of the bearing seat assembly, the thermocouple I is arranged at the openings of the upper ends of two sides of the bearing seat mounting plate, and the rotating speed measuring L-shaped bracket is arranged at the inner side of the high oil baffle plate at the opening of the top of the bearing seat mounting plate.
Preferably, the speed measuring assembly comprises a speed measuring L-shaped bracket II, an inductive proximity switch and a speed measuring nut, wherein the speed measuring L-shaped bracket II is arranged on a bearing seat mounting plate on one side of the inner wall of the high oil baffle, the output end of the speed measuring L-shaped bracket II is provided with the inductive proximity switch, and the inductive proximity switch is provided with the speed measuring nut.
Preferably, three loading shafts are arranged on the bearing seat mounting plate and can load the balls.
Preferably, lei Tai laser temperature sensors on the bearing seat mounting plate are connected with each other in a temperature measuring manner.
Preferably, the three loading wheels on the bearing seat mounting plate are in driving connection by a driving motor, and the loading wheels are in driving connection by one driving motor
The beneficial technical effects of the utility model are as follows:
The utility model provides a test accompanying device for a fatigue test of steel balls with high speed, light load and measurable temperature and rotation speed, which provides a sufficient test foundation for high-speed test of bearing balls and bearing materials, mainly verifies the pitting corrosion condition of bearing rollers during high-speed rotation under load, has guiding significance for bearing manufacture, can perform comparison test of different materials under the same condition, and is a verification means for establishing an evaluation system of bearing materials; 2. test principle: the balls are loaded by three loading shafts, the balls are driven to rotate by the driving wheels at two sides and below the three driving wheels, and the rotating speeds of the three loading shafts are adjustable, so that tests under different working conditions are realized; through the sensor of connecting above the bearing frame mounting panel to and Lei Tai laser temperature sensor of side, can carry out the analysis to rotational speed, temperature, vibration's data in real time, three loading wheels are driven by driving motor, every two short pulleys and enhancement cover are driven by a driving motor, connect with the hold-in range, accompany the test device basic structure and have above each part to constitute, can observe that enhancement cover and pulley shaft second loading axle are fixed and are rotated on the assembly of third interior hexagonal cylinder head screw, supporting belt pulley bearing frame subassembly and bearing frame, be superior to the ball model and all be standard model, consequently the position of three loading axles accords with the best position that drives the ball and rotate, coefficient of friction: firstly, a loading wheel driving motor starts to drive, a loading wheel is driven to start to rotate at a high speed, and in the process of loading wheel rotation, bearing balls are driven to rotate through friction, so that for a measuring bearing ball testing machine, the state factors of the bearing balls under actual working conditions can be easily solved, and an electrical system mainly comprises two parts: a loading shaft rotation speed control system; the temperature, noise, vibration and rotating speed measuring sensor system has the advantages of providing a relatively complete accompanying test device under the actual working condition environment for the bearing test testing machine, and initiatively utilizing the rotating speed loading of the loading shaft to be closer to the running state of the bearing balls under the actual working condition.
Drawings
FIG. 1 is a front view showing the overall construction of a preferred embodiment of a pilot test apparatus for high-speed light-load fatigue testing of steel balls according to the present utility model;
FIG. 2 is a side view of a perspective structure of a preferred embodiment of a pilot testing device for high-speed light-load fatigue testing of steel balls in accordance with the present utility model;
Fig. 3 is a side view of a preferred embodiment of a pilot test apparatus for high-speed light-load fatigue testing of steel balls in accordance with the present utility model.
In the figure: 1. a bearing seat mounting plate;
2. Measuring a rotating speed L-shaped bracket;
3. A thermocouple II;
4. The first hexagon socket head cap screw;
5. The second hexagon socket head cap screw;
6. An infrared sensor mount;
7. lei Tai laser temperature measurement sensor;
8. an end locking nut;
9. A speed measuring L-shaped bracket II;
10. an inductive proximity switch;
11. A speed measuring nut;
12. thermocouple one;
13. a support pulley bearing assembly;
14. Assembling a bearing seat;
15. An O-ring;
16. A low oil baffle;
17. a belt wheel;
18. A pulley shaft;
19. a reinforcing sleeve;
20. a connecting plate;
21. A locking nut with a wheel shaft;
22. a short belt wheel;
23. a third hexagon socket head cap screw;
24. a left ring shaft;
25. A high oil baffle;
26. A second O-ring;
27. A second belt wheel shaft;
28. A coupling;
29. a lower ring shaft;
30. and a right ring shaft.
Detailed Description
In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.
As shown in fig. 1-3, the test-accompanying device for high-speed light-load fatigue test of steel balls provided by this embodiment comprises a bearing seat mounting plate 1, a bearing seat assembly 14 is mounted in the middle of the top, an infrared sensor mounting frame 6 is mounted at the joint of the bearing seat assembly 14, a high-oil baffle 25 is mounted at one side of the bearing seat assembly 14 at the top opening of the bearing seat mounting plate 1, a low-oil baffle 16 is mounted at one side of the bottom of the bearing seat assembly 14 inside the bearing seat mounting plate 1, an O-ring 15 is sleeved at the joint of the low-oil baffle 16 and the bearing seat mounting plate 1, a laser temperature sensor 7 is mounted on the infrared sensor mounting frame 6, a left ring shaft 24, a lower ring shaft 29 and a right ring shaft 30 are mounted in the middle of the bearing seat assembly 14, a belt wheel shaft two 27 is mounted at the outer end of the lower ring shaft 29, a reinforcing sleeve 19 is mounted at the outer ends of the left ring shaft 24 and the right ring shaft 30, the outer wall of the second belt wheel shaft 27 is sleeved with a belt wheel 17, the outer wall of the reinforcing sleeve 19 is sleeved with a short belt wheel 22, the reinforcing sleeve 19 at the outer end of the right ring shaft 30 is respectively sleeved with the reinforcing sleeve 19 and the belt wheel 17, the joint of the reinforcing sleeve 19 and the second belt wheel shaft 27 with the left ring shaft 24, the joint of the lower ring shaft 29 and the right ring shaft 30 are sleeved with a coupling 28, the bearing seat assembly 14 is provided with a thermocouple assembly, the joint of the reinforcing sleeve 19 and the second belt wheel shaft 27 with the left ring shaft 24, the joint of the lower ring shaft 29 and the right ring shaft 30 is provided with a third hexagon socket head screw 23 which is mutually connected with the bearing seat mounting plate 1, one side of the middle of the bearing seat assembly 14 and the high oil baffle 25 is provided with a speed measuring assembly, two sides of the opening of the bearing seat mounting plate 1 at the outer side of the high oil baffle 25 are respectively provided with a second O-shaped ring 26, the reinforcing sleeve 19 and the second belt wheel shaft 27 are connected by the belt wheel shaft 18, the supporting belt wheel bearing seat assembly 13 is arranged at the outer side of the third inner hexagonal cylindrical head screw 23, the belt wheel shaft 18 is in rotary connection with the supporting belt wheel bearing seat assembly 13, belt wheel shaft locking nuts 21 are respectively arranged at the two sides of the middle of the third inner hexagonal cylindrical head screw 23 and the supporting belt wheel bearing seat assembly 13, bearing seat assembly 14 at the two sides of the top of the bearing seat mounting plate 1 are connected through the first inner hexagonal cylindrical head screw 4, and the second inner hexagonal cylindrical head screw 5 is arranged at one side of the top of the bearing seat assembly 14.
General principle of operation: the high-speed bearing test machine needle accompany test device provides a sufficient test foundation for high-speed test of bearing balls and bearing materials, mainly verifies the pitting corrosion condition of the bearing rollers during high-speed rotation under load, has guiding significance for bearing manufacture, can perform comparison test of different materials under the same condition, and is a verification means for establishing an evaluation system of the bearing materials; 2. test principle: the balls are loaded by three loading shafts, the balls are driven to rotate by the driving wheels at two sides and below the three driving wheels, and the rotating speeds of the three loading shafts are adjustable, so that tests under different working conditions are realized; through the sensor of connecting on bearing frame mounting panel 1 to and Lei Tai laser temperature sensor 7 of side, can carry out the analysis to rotational speed, temperature, the data of vibration in real time, three load wheel is by driving motor drive, every two short pulleys 22 and reinforcement cover 19 are by a driving motor drive, connect with the hold-in range, the test device basic structure has above each part to constitute, can observe reinforcement cover 19 and pulley shaft two 27 load axle and fix on third interior hexagonal cylinder head screw 23, support pulley bearing frame subassembly 13 and bearing frame assembly 14 and rotate, be superior to the ball model and all be standard model, therefore the position of three load axles accords with the best position that drives the ball and rotates, the coefficient of friction: firstly, a loading wheel driving motor starts to drive, a loading wheel is driven to start to rotate at a high speed, and in the process of loading wheel rotation, bearing balls are driven to rotate through friction, so that for a measuring bearing ball testing machine, the state factors of the bearing balls under actual working conditions can be easily solved, and an electrical system mainly comprises two parts: a loading shaft rotation speed control system; the temperature, noise, vibration and rotating speed measuring sensor system has the advantages of providing a relatively complete accompanying test device under the actual working condition environment for the bearing test testing machine, and initiatively utilizing the rotating speed loading of the loading shaft to be closer to the running state of the bearing balls under the actual working condition.
In this embodiment: the thermocouple assembly comprises a thermocouple II 3, a rotating speed measuring L-shaped bracket 2 and a thermocouple I12, wherein the thermocouple II 3 is arranged at two ends of the upper side of the bearing seat assembly 14, the thermocouple I12 is arranged at the openings of the upper ends of two sides of the bearing seat mounting plate 1, and the rotating speed measuring L-shaped bracket 2 is arranged at the inner side of a high oil baffle 25 at the opening of the top of the bearing seat mounting plate 1.
In this embodiment: the speed measuring assembly comprises a speed measuring L-shaped bracket II 9, an inductive proximity switch 10 and a speed measuring nut 11, wherein the speed measuring L-shaped bracket II 9 is arranged on the bearing seat mounting plate 1 on one side of the inner wall of the high oil baffle 25, the inductive proximity switch 10 is arranged at the output end of the speed measuring L-shaped bracket II, and the speed measuring nut 11 is arranged on the inductive proximity switch 10.
In this embodiment: the bearing seat mounting plate 1 is provided with three loading shafts which can load balls.
In this embodiment: lei Tai laser temperature measuring sensor 7 on the bearing pedestal mounting plate 1 is connected with the temperature measurement.
In this embodiment: the three loading wheels on the bearing seat mounting plate 1 are in driving connection by a driving motor, and the loading wheels are in driving connection by one driving motor.
The above description is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.
Claims (6)
1. The utility model provides a test accompanying and testing device for high-speed light load fatigue test of steel ball, including bearing frame mounting panel (1), bearing frame assembly (14) are installed to department in the middle of the top, and infrared sensor mounting bracket (6) are installed to the junction of bearing frame assembly (14), and high oil baffle (25) are installed to bearing frame assembly (14) one side of the open-top department of bearing frame mounting panel (1), and low oil baffle (16) are installed to inside bearing frame assembly (14) bottom one side of bearing frame mounting panel (1), and the junction cover of low oil baffle (16) and bearing frame mounting panel (1) is equipped with O type circle (15), its characterized in that: the infrared sensor mounting frame (6) is provided with a Ratai laser temperature measurement sensor (7), a left ring shaft (24), a lower ring shaft (29) and a right ring shaft (30) are respectively arranged in the middle of the bearing seat assembly (14), the outer end of the lower ring shaft (29) is provided with a second belt wheel shaft (27), the outer ends of the left ring shaft (24) and the right ring shaft (30) are provided with a reinforcing sleeve (19), the outer wall of the 27 is sleeved with a belt wheel (17), the outer wall of the reinforcing sleeve (19) is sleeved with a short belt wheel (22), the reinforcing sleeve (19) at the outer end of the right ring shaft (30) is respectively sleeved with a reinforcing sleeve (19) and a belt wheel (17), the joint of the reinforcing sleeve (19) and the second belt wheel shaft (27) with the left ring shaft (24), the lower ring shaft (29) and the right ring shaft (30) is sleeved with a coupling (28), the bearing seat assembly is arranged on the bearing seat assembly (14), the joint of the reinforcing sleeve (19) and the second belt wheel shaft (27) with the left ring shaft (24), the lower ring shaft (30) is provided with a sixth inner end of the bearing seat (27) with a bearing seat assembly (30) and the bearing seat assembly (30) is provided with a third inner end (23), the joint of the bearing assembly is provided with a second end of the bearing assembly (25) with a bearing assembly (25) and the bearing assembly (25) is arranged on the two sides of the bearing assembly (1) and the bearing assembly is provided with a high-side, respectively, the bearing assembly (1 side of the bearing assembly is provided with a bearing assembly and the bearing assembly (assembly, the reinforcing sleeve (19) is connected with the pulley shaft II (27) through the pulley shaft (18), the supporting pulley bearing seat assembly (13) is installed at the outer side of the third inner hexagonal socket head screw (23), the pulley shaft (18) is rotationally connected with the supporting pulley bearing seat assembly (13), the pulley shaft locking nuts (21) are respectively installed at the two sides in the middle of the third inner hexagonal socket head screw (23) and the supporting pulley bearing seat assembly (13), the bearing seat assembly (14) at the two sides at the top of the bearing seat mounting plate (1) is connected through the first inner hexagonal socket head screw (4), and the second inner hexagonal socket head screw (5) is installed at one side at the top of the bearing seat assembly (14).
2. The accompanying test device for high-speed light-load fatigue test of steel balls according to claim 1, wherein: the thermocouple assembly comprises a thermocouple II (3), a rotating speed measuring L-shaped bracket (2) and a thermocouple I (12), wherein the thermocouple II (3) is arranged at two ends of the middle upper side of a bearing seat assembly (14), the thermocouple I (12) is arranged at the opening of the upper ends of two sides of a bearing seat mounting plate (1), and the rotating speed measuring L-shaped bracket (2) is arranged at the inner side of a high oil baffle plate (25) at the opening of the top of the bearing seat mounting plate (1).
3. The accompanying test device for high-speed light-load fatigue test of steel balls according to claim 2, wherein: the speed measuring assembly comprises a speed measuring L-shaped bracket II (9), an inductive proximity switch (10) and a speed measuring nut (11), wherein the speed measuring L-shaped bracket II (9) is arranged on a bearing seat mounting plate (1) on one side of the inner wall of the high oil baffle plate (25), the inductive proximity switch (10) is arranged at the output end of the speed measuring L-shaped bracket II (9), and the speed measuring nut (11) is arranged on the inductive proximity switch (10).
4. A test-mate device for high-speed light-load fatigue testing of steel balls according to claim 3, wherein: the bearing seat mounting plate (1) is provided with three loading shafts which can load the balls.
5. The accompanying test device for high-speed light-load fatigue test of steel balls according to claim 4, wherein: lei Tai laser temperature measuring sensors (7) on the bearing seat mounting plate (1) are connected with each other through temperature measurement.
6. The accompanying test device for high-speed light-load fatigue test of steel balls according to claim 5, wherein: three loading wheels on the bearing seat mounting plate (1) are in driving connection by a driving motor, and the loading wheels are in driving connection by a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322743788.2U CN220912892U (en) | 2023-10-12 | 2023-10-12 | Accompanying test device for high-speed light-load fatigue test of steel ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322743788.2U CN220912892U (en) | 2023-10-12 | 2023-10-12 | Accompanying test device for high-speed light-load fatigue test of steel ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220912892U true CN220912892U (en) | 2024-05-07 |
Family
ID=90911372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322743788.2U Active CN220912892U (en) | 2023-10-12 | 2023-10-12 | Accompanying test device for high-speed light-load fatigue test of steel ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220912892U (en) |
-
2023
- 2023-10-12 CN CN202322743788.2U patent/CN220912892U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104034529A (en) | Dustproof performance simulation test machine for automobile hub bearing unit | |
| CN104849047A (en) | Oil bath lubricated bearing testing machine | |
| CN105319068A (en) | Testing machine for fatigue life of automobile hub bearing | |
| CN112763210A (en) | Double-station hub bearing unit working condition simulation testing machine | |
| CN211085684U (en) | Rolling bearing fault simulation experiment platform | |
| CN220912892U (en) | Accompanying test device for high-speed light-load fatigue test of steel ball | |
| CN205192753U (en) | Automobile wheel hub bearing fatigue life testing machine | |
| CN205538211U (en) | Forerunner automobile machinery gearbox transmission error test bench | |
| US6601445B2 (en) | Roller type test stand for testing motor vehicles and/or tires | |
| CN104806733B (en) | A kind of Torque test structures and methods based on shaft strength | |
| CN205157357U (en) | Multi -functional fatigue wear testing machine | |
| CN111426476A (en) | Rail transit bearing life strengthening test system | |
| CN201575910U (en) | Automobile water pump bearing test machine | |
| CN208847477U (en) | A kind of experimental rig of heavy truck hub-bearing unit | |
| CN116642695A (en) | Device and method for detecting rotation moment under load of hub bearing | |
| CN114878163B (en) | Dynamic and static synchronous loading testing device for high-precision dynamic pressure thrust foil bearing | |
| CN110118654A (en) | A kind of auto pump shaft connecting bearing testing machine | |
| CN114486076B (en) | Special test mechanism for dynamic balance of engine crankshaft of hydrogen energy hybrid commercial vehicle | |
| CN115371991A (en) | Tapered roller bearing group test device | |
| JP2001281109A (en) | Device for measuring rotational frequency and torque on driven axle for wheel of automobile and simulating running state | |
| CN212567925U (en) | Rail transit bearing life strengthening test system | |
| CN203929389U (en) | Simulation test machine for automobile hub bearing unit anti-dust performance | |
| CN209992173U (en) | Automobile water pump shaft connection bearing testing machine | |
| CN208902320U (en) | Car air-conditioner clutch initial torque measuring device | |
| CN207515824U (en) | A kind of automobile angle sensor durability experiment tooling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |