CN217586305U - Wheel hub bearing immersion performance testing machine - Google Patents
Wheel hub bearing immersion performance testing machine Download PDFInfo
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- CN217586305U CN217586305U CN202221547030.0U CN202221547030U CN217586305U CN 217586305 U CN217586305 U CN 217586305U CN 202221547030 U CN202221547030 U CN 202221547030U CN 217586305 U CN217586305 U CN 217586305U
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Abstract
The utility model provides a hub bearing immersion performance testing machine, comprising a bottom plate, a driving motor, a servo loading device, a spindle seat and a water tank; the main shaft seat is arranged on the bottom plate and is provided with a main shaft, and one end of the main shaft penetrates through the water tank and is connected with a bearing connecting plate; a fixed support is arranged on the bottom plate, a servo loading device is arranged on the fixed support, and the end part of the servo loading device for loading is connected with a bearing loading plate; the bearing connecting plate and the bearing loading plate are matched to clamp the hub bearing to be detected; a loading force arm adjusting device is arranged between the bearing loading plate and the servo loading device, so that the loading position of the servo loading device on the bearing loading plate is adjusted by adjusting the loading force arm; and the waterproof performance test of the hub bearing immersed in the simulated slurry in the water tank is carried out, and the waterproof performance test equipment for the hub bearing is provided.
Description
Technical Field
The utility model relates to a wheel hub bearing immersion performance testing machine.
Background
The automobile hub bearing is the most important transmission component in an automobile, and along with the development of the automobile industry, the automobile hub bearing plays a very important role in the running of the automobile, rotates at a high speed along with an automobile transmission shaft, bears axial and radial loads in running, runs under severe weather and road conditions, and needs to be tested and detected by various information such as the condition, the fatigue degree and the like of the automobile hub bearing in long-term running, particularly a water immersion test of the bearing, and information data acquisition and analysis and judgment of various data.
At present, a reasonably designed automobile hub bearing testing machine and a scientific and reasonable test detection method are not available, the mud splashing and soaking performance test of the bearing at different rotating speeds, radial loads and soaking positions is difficult to carry out, the testing method is not suitable for the rapid development of the automobile industry, and the further improvement and perfection of the automobile hub bearing structure are restricted.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the utility model provides a wheel hub bearing immersion performance testing machine.
In order to achieve the purpose, the utility model provides a wheel hub bearing immersion performance testing machine, which comprises a step-in high-low temperature box for simulating high-temperature or low-temperature environment for a wheel hub bearing, and a bottom plate, a driving motor, a servo loading device, a spindle seat and a water tank which are all arranged inside the step-in high-low temperature box; the main shaft seat is arranged on the bottom plate and is provided with a main shaft, one end of the main shaft penetrates through the water tank, and one end penetrating through the water tank is connected with a bearing connecting plate; a fixed support is arranged on the bottom plate, a servo loading device is arranged on the fixed support, and the end part of the servo loading device for loading is connected with a bearing loading plate; the bearing connecting plate and the bearing loading plate are matched to clamp the hub bearing to be detected; and a loading force arm adjusting device is arranged between the bearing loading plate and the servo loading device, so that the loading position of the servo loading device on the bearing loading plate is adjusted by adjusting the loading force arm adjusting device.
The utility model has the advantages that: the utility model discloses a radial servo loading device, axial servo loading device drives the connecting rod and applys different axial load to the wheel hub bearing between bearing loading board and the bearing connecting plate, radial load, rotate through main shaft drive wheel hub bearing, in the high-speed pivoted of wheel hub bearing, exert axial load and radial load respectively or simultaneously and make axial load and radial load exert in the pivoted wheel hub bearing overcoat in, through radial loading sensor, axial loading sensor's demonstration comes to count axial load and radial load, and with the waterproof performance test of wheel hub bearing simulation in mud immersion bearing center line position in the water tank, this aim at provides a wheel hub bearing mud immersion bearing's waterproof performance test equipment of bearing, can accomplish wheel hub bearing high, the test equipment of waterproof performance and sealing performance of the abominable muddy water road condition of low temperature environment cross-country.
Furthermore, the servo loading device comprises a connecting rod arranged in the radial direction corresponding to the main shaft and a radial loading sensor connected with the connecting rod, and the other end of the radial loading sensor is provided with the radial servo loading device; the axial direction of the corresponding main shaft is provided with a connecting rod and an axial loading sensor connected with the connecting rod, and the other end of the axial loading sensor is provided with an axial servo loading device.
Through adopting above-mentioned technical scheme, radial loading sensor, axial loading sensor and the cooperation that connect through the connecting rod provide radial servo loading device, the axial servo loading device of load, come accurate reading to confirm axial load and radial load through the numerical value of sensor, improve the precision, the accurate load of adjusting is tested the wheel hub bearing.
Furthermore, the water tank is provided with a waterproof disc for preventing water in the water tank from permeating outwards at the penetrating position of the main shaft, the waterproof disc shields a connecting gap between the main shaft and the water tank, and a sealing lip is arranged between the waterproof disc and the main shaft.
By adopting the technical scheme, the waterproof device prevents water in the water tank from flowing to the outside through the joint of the main shaft and the water tank, and inhibits the water in the water tank from seeping through the joint of the main shaft and the water tank.
Furthermore, a water return groove is formed in the circumferential position, corresponding to the main shaft, of one side, close to the water tank, of the main shaft seat, and a water outlet used for recovering water in the water return groove is formed in the main shaft seat.
Through adopting above-mentioned technical scheme, the return water tank is used for retrieving the water that oozes into in the spindle drum through the main shaft and plays the effect of protection main shaft bearing and prevents that water from leaking the spindle drum outside.
Furthermore, a plurality of water throwing grooves are arranged at the positions of the main shaft corresponding to the water returning grooves.
Through adopting above-mentioned technical scheme, conveniently throw away the water on main shaft surface through the epaxial basin of getting rid of, collect the water on main shaft surface to the return water tank in.
Furthermore, the bearing loading plate is provided with scales for assisting in observing the size of the force arm.
Through adopting above-mentioned technical scheme, can assist through the scale and observe arm of force numerical value, improve suitability and convenient operation.
Furthermore, the water tank is provided with a flow meter for controlling the input water amount in a matching way.
Through adopting above-mentioned technical scheme, stop supplying water through flowmeter control, the accurate place that provides the simulation environment of soaking for the experiment.
Furthermore, a water spraying pipe used for simulating a muddy water splashing test is arranged on one side of the water tank.
By adopting the technical scheme, a place for simulating the water spraying environment is provided for the test.
Furthermore, the fixed support is provided with a fixed plate for fixing the radial servo loading device and the axial servo loading device, and a positioning hole for adjusting the positions of the radial servo loading device and the axial servo loading device is arranged between the fixed plate and the fixed support.
By adopting the technical scheme, the fixing plate can move on the fixing support through the positioning hole between the fixing plate and the fixing support, and the force arm between the servo loading device and the bearing loading plate is adjusted by adjusting the relative position of the fixing plate and the fixing support.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings: as shown in fig. 1-2, the wheel hub bearing water immersion performance testing machine comprises a step-in high-low temperature box for simulating a high-temperature or low-temperature environment for a wheel hub bearing, a bottom plate 1, a driving motor 2, a servo loading device 3, a spindle seat 4 and a water tank 5, wherein the bottom plate is arranged in the step-in high-low temperature box; the spindle seat 4 is arranged on the bottom plate 1 and is provided with a spindle 6, one end of the spindle 6 penetrates through the water tank 5, and one end penetrating through the water tank 5 is connected with a bearing connecting plate 7; a fixed support 8 is arranged on the bottom plate 1, a servo loading device 3 is arranged on the fixed support 8, and a bearing loading plate 9 is connected to the end part of the servo loading device 3 for loading; the bearing connecting plate 7 and the bearing loading plate 9 are matched to clamp the hub bearing to be detected; a loading force arm adjusting device 10 is arranged between the bearing loading plate 9 and the servo loading device 3, so that the loading position of the servo loading device 3 on the bearing loading plate 9 can be adjusted by adjusting the loading force arm adjusting device 10.
A driving motor 2 arranged on the bottom plate 1 drives a belt to drive a main shaft belt pulley on a main shaft seat 4 to form a driving device. The other end of the spindle seat 4 penetrates through the water tank 5 to be connected with a bearing connecting plate 7 part, so that power required by the test is provided; the connecting plate component connecting test bearing device consists of a test tool and a test bearing.
The servo loading device 3 comprises a connecting rod 11 arranged in the radial direction corresponding to the main shaft 6 and a radial loading sensor 12 connected with the connecting rod 11, and a radial servo loading device 13 is arranged at the other end of the radial loading sensor 12; a connecting rod 11 and an axial loading sensor 14 connected with the connecting rod 11 are arranged corresponding to the axial direction of the main shaft 6, and an axial servo loading device 15 is arranged at the other end of the axial loading sensor 14. The radial loading sensor 12 and the axial loading sensor 14 have certain elasticity, so that the sensors can deform to buffer when the hub bearing is tested, and the test structure deviation caused by the sudden change of the axial load and the radial load when the hub bearing is tested is prevented.
The water tank 5 is provided with a waterproof disc 16 for preventing water in the water tank 5 from permeating outwards at the penetrating position of the main shaft 6, the waterproof disc 16 shields a connecting gap between the main shaft 6 and the water tank 5, and a sealing lip is arranged between the waterproof disc 16 and the main shaft 6. The two waterproof discs 16 are respectively arranged on the inner wall of the water tank 5 close to the joint of the main shaft 6 and the water tank 5 and on the spindle seat 4 close to the joint of the outer wall of the water tank 5 and the main shaft 6, and the two waterproof discs 16 are matched and clamped to inhibit water in the water tank 5 from seeping out.
A water return groove 17 is formed in the circumferential position, corresponding to the main shaft 6, of one side, close to the water tank 5, of the main shaft seat 4, and a water outlet 22 for recovering water in the water return groove 17 is formed in the main shaft seat 4. The water outlet 22 is arranged at one side of the water return groove 17 close to the bottom plate 1, the water outlet 22 recovers water in the water return groove 17 and prevents water from leaking out of the spindle base 4, and the water return groove 17 is used for recovering water seeping into the spindle base 4 through the spindle 6 and plays a role in protecting a bearing of the spindle 6.
And a plurality of water throwing grooves 18 are arranged at the positions of the main shaft 6 corresponding to the water return grooves 17. The water throwing grooves 18 are uniformly distributed on the circumferential position of the main shaft 6.
The bearing loading plate 9 is provided with a scale 19 for assisting in observing the size of the force arm.
The water tank 5 is provided with a flow meter for controlling the input water quantity in a matching way.
And a spray pipe for simulating a muddy water splashing test is arranged on one side of the water tank 5.
The fixed support 8 is provided with a fixed plate 20 for fixing the radial servo loading device 13 and the axial servo loading device 15, and a positioning hole 21 for adjusting the positions of the radial servo loading device 13 and the axial servo loading device 15 is arranged between the fixed plate 20 and the fixed support 8.
A spindle belt pulley and a motor belt pulley are arranged between the driving motor 2 and the spindle seat 4, and a protective cover is arranged between the spindle belt pulley and the motor belt pulley in a matched mode.
And the equipment debugging and installation are completed by putting the equipment into a step-in high-low temperature box with the temperature of-70-200 ℃ to simulate the service life of the bearing in a high-temperature or low-temperature environment. The utility model is provided with an electrical system, which provides switch control and electrical protection; during operation, the regulation of rotation speed, load and water spraying flow rate can be automatically controlled.
The above embodiment is only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a wheel hub bearing immersion performance testing machine which characterized in that: the device comprises a step-in high-low temperature box for simulating a high-temperature or low-temperature environment for a hub bearing, and a bottom plate, a driving motor, a servo loading device, a spindle seat and a water tank which are all arranged in the step-in high-low temperature box; the main shaft seat is arranged on the bottom plate and is provided with a main shaft, one end of the main shaft penetrates through the water tank, and one end penetrating through the water tank is connected with a bearing connecting plate; a fixed support is arranged on the bottom plate, a servo loading device is arranged on the fixed support, and the end part of the servo loading device for loading is connected with a bearing loading plate; the bearing connecting plate and the bearing loading plate are matched to clamp the hub bearing to be detected; and a loading force arm adjusting device is arranged between the bearing loading plate and the servo loading device, so that the loading position of the servo loading device on the bearing loading plate is adjusted by adjusting the loading force arm adjusting device.
2. The wheel hub bearing water immersion performance testing machine according to claim 1, characterized in that: the servo loading device comprises a connecting rod and a radial loading sensor, the connecting rod is arranged in the radial direction of the main shaft, the radial loading sensor is connected with the connecting rod, and the radial servo loading device is arranged at the other end of the radial loading sensor; the axial direction of the corresponding main shaft is provided with a connecting rod and an axial loading sensor connected with the connecting rod, and the other end of the axial loading sensor is provided with an axial servo loading device.
3. The wheel hub bearing water immersion performance testing machine according to claim 1, characterized in that: the water tank is provided with a waterproof disc for preventing water in the water tank from permeating outwards at the position where the main shaft penetrates, the waterproof disc shields a connecting gap between the main shaft and the water tank, and a sealing lip is arranged between the waterproof disc and the main shaft.
4. The wheel hub bearing water immersion performance testing machine of claim 1, characterized in that: a water return groove is formed in one side, close to the water tank, of the spindle seat and corresponds to the circumferential position of the spindle, and a water outlet used for recovering water in the water return groove is formed in the spindle seat.
5. The hub bearing water immersion performance testing machine according to claim 4, characterized in that: and a plurality of water throwing grooves are arranged at the positions of the main shaft corresponding to the water return grooves.
6. The wheel hub bearing water immersion performance testing machine according to claim 1, characterized in that: the bearing loading plate is provided with scales for assisting in observing the size of the force arm.
7. The wheel hub bearing water immersion performance testing machine of claim 3, characterized in that: the water tank is provided with a flow meter for controlling the input water quantity in a matching way.
8. The wheel hub bearing water immersion performance testing machine according to claim 1, characterized in that: and a spray pipe for simulating a muddy water splashing test is arranged on one side of the water tank.
9. The wheel hub bearing water immersion performance testing machine according to claim 1 or 2, characterized in that: the fixed support is provided with a fixed plate for fixing the radial servo loading device and the axial servo loading device, and a positioning hole for adjusting the positions of the radial servo loading device and the axial servo loading device is formed between the fixed plate and the fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547030.0U CN217586305U (en) | 2022-06-20 | 2022-06-20 | Wheel hub bearing immersion performance testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547030.0U CN217586305U (en) | 2022-06-20 | 2022-06-20 | Wheel hub bearing immersion performance testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN217586305U true CN217586305U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221547030.0U Active CN217586305U (en) | 2022-06-20 | 2022-06-20 | Wheel hub bearing immersion performance testing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436055A (en) * | 2022-11-03 | 2022-12-06 | 万向钱潮股份公司 | Low-temperature water intrusion test device for automobile hub bearing |
| CN115597866A (en) * | 2022-12-16 | 2023-01-13 | 河北精拓轴承科技有限公司（Cn） | Automobile wheel hub bearing detection equipment based on pressure test |
-
2022
- 2022-06-20 CN CN202221547030.0U patent/CN217586305U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436055A (en) * | 2022-11-03 | 2022-12-06 | 万向钱潮股份公司 | Low-temperature water intrusion test device for automobile hub bearing |
| CN115597866A (en) * | 2022-12-16 | 2023-01-13 | 河北精拓轴承科技有限公司（Cn） | Automobile wheel hub bearing detection equipment based on pressure test |
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