CN213658253U - Testing device for radial bearing capacity of three-ball pin bearing - Google Patents
Testing device for radial bearing capacity of three-ball pin bearing Download PDFInfo
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- CN213658253U CN213658253U CN202022871139.7U CN202022871139U CN213658253U CN 213658253 U CN213658253 U CN 213658253U CN 202022871139 U CN202022871139 U CN 202022871139U CN 213658253 U CN213658253 U CN 213658253U
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- upper pressing
- pressing tool
- supporting block
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Abstract
The utility model discloses a test device of radial bearing capacity of tripod bearing, mainly including supporting block etc, supporting block places on the backing plate, be equipped with into crisscross V type groove A of cross and rectangular channel on the supporting block, V type inslot A installs and supports the positioning core axle, the suit bearing of dabber, the bearing is located the rectangular channel, supporting block overcoat dress uide bushing, the uide bushing height is higher than the bearing top, install the tamp in the uide bushing top, it is located the bearing top to go up the tamp, upward be equipped with V type groove B on the tamp, V type groove B and rectangular channel cooperate the common location bearing, be equipped with displacement sensor on the profile of going up the tamp, upward be equipped with pressure sensor on the contact point of tamp and bearing inner race. The utility model discloses a radial bearing capacity and the displacement condition of continuous monitoring tripod bearing assess the radial force of bearing, and rethread comprehensive data analysis obtains the radial bearing capacity and the deformation numerical value of bearing, and the relative road test of expense is lower and efficient.
Description
Technical Field
The utility model relates to a field of tripod bearing, concretely relates to test device of tripod bearing radial bearing capacity.
Background
The tripod is the most commonly used axial sliding constant velocity universal joint and is widely applied to front and rear driving shafts of automobiles. The radial bearing capacity of the tripod bearing is an important strength and reliability index, and the existing bearing capacity measuring method is as follows: adopting a road test, directly installing the three-ball pin on a vehicle to carry out the road test, observing the failure condition and obtaining a radial force test conclusion; the press is used for testing the pressure when the bearing is crushed, namely the radial bearing capacity. The existing measuring method mainly has the following problems: the cost for evaluating the radial force of the bearing by adopting the traditional road test is higher, and the result is a comprehensive test conclusion, so that the evaluation is difficult to be carried out on the loading condition of the radial force of the ultimate bearing independently; the radial force of bearing can only obtain the pressure value when the bearing crushes in the press test, can not monitor the displacement and the deformation condition in the loading process, and the numerical value that shows during the crushing has transshipping, and there is the difference with the radial bearing capacity value of reality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a test device of three ball round pin bearing radial bearing capacity.
The purpose of the utility model is accomplished through following technical scheme: the device for testing the radial bearing capacity of the three-ball pin bearing mainly comprises a base plate, a supporting block, a guide sleeve, a mandrel, an upper pressing tool, a bearing, a V-shaped groove A, a rectangular groove and a V-shaped groove B, wherein the supporting block is placed on the base plate, the supporting block is provided with the V-shaped groove A and the rectangular groove which are staggered in a cross shape, the V-shaped groove A is internally provided with and supports a positioning mandrel, the mandrel is sleeved with the bearing, the bearing is positioned in the rectangular groove, the outer of the supporting block is sleeved with the guide sleeve, the height of the guide sleeve is higher than that of the top of the bearing, the upper pressing tool is arranged in the top of the guide sleeve and is positioned above the bearing, the upper pressing tool is provided with the V-shaped groove B, the V-shaped groove B and the rectangular groove are matched with each other to jointly position the bearing.
The inner diameter of the guide sleeve is matched with the outer diameters of the support block and the upper pressing tool so as to ensure that the support block and the upper pressing tool are not deflected in the loading process.
The shape of the middle part of the mandrel is matched with that of the inner ring of the bearing, and the simulation design is adopted to simulate the stress condition of a real vehicle.
The depth of the rectangular groove is larger than the radius of the bearing, and the bearing has a space for moving downwards in the rectangular groove.
The utility model has the advantages that: the utility model discloses increase pressure sensor and displacement sensor, through the radial bearing capacity and the displacement condition of continuous monitoring tripod bearing come the radial force of evaluation bearing, rethread comprehensive data analysis obtains the radial bearing capacity and the deformation numerical value of bearing, and the expense is lower and efficient relative road test, and the conclusion that draws is accurate, has avoided because transshipping to lead to data distortion and time cost scheduling problem; the bearing is fixed between the upper pressing tool and the supporting block by the mandrel, the structural design is simple, the operation is simple and convenient, the comprehensive radial force data of the bearing is more accurately obtained, the problems of high cost and low efficiency of road testing are solved, and the problem that the radial force cannot be independently tested is solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the backing plate of the present invention.
Fig. 3 is a schematic view of the support block structure of the present invention.
Fig. 4 is a schematic view of the structure of the guide sleeve of the present invention.
Fig. 5 is a schematic view of the mandrel structure of the present invention.
Fig. 6 is a schematic view of the structure of the upper pressing tool of the present invention.
Description of reference numerals: the device comprises a base plate 1, a support block 2, a guide sleeve 3, a mandrel 4, an upper pressing tool 5, a bearing 6, a V-shaped groove A7, a rectangular groove 8 and a V-shaped groove B9.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example (b): as shown in the attached drawings, the test device for the radial bearing capacity of the three-ball pin bearing mainly comprises a base plate 1, a support block 2, a guide sleeve 3, a mandrel 4, an upper pressing tool 5, a bearing 6, a V-shaped groove A7, a rectangular groove 8 and a V-shaped groove B9, wherein the support block 2 is placed on the base plate 1, the support block 2 is provided with the V-shaped groove A7 and the rectangular groove 8 which are staggered in a cross shape, the positioning mandrel 4 is installed and supported in the V-shaped groove A7, the bearing 6 is sleeved on the mandrel 4, the middle of the mandrel 4 is matched with an inner ring of the bearing 6 in shape, and the stress condition of a real vehicle is simulated by adopting a profiling design. The bearing 6 is positioned in the rectangular groove 8, the depth of the rectangular groove 8 is greater than the radius of the bearing 6, and the bearing 6 has a space for moving downwards in the rectangular groove 8. The guide sleeve 3 is sleeved outside the support block 2, the height of the guide sleeve 3 is higher than that of the top of the bearing 6, the upper pressing tool 5 is installed in the top of the guide sleeve 3, the upper pressing tool 5 is located above the bearing 6, and the inner diameter of the guide sleeve 3 is matched with the outer diameters of the support block 2 and the upper pressing tool 5 so as to ensure that the support block 2 and the upper pressing tool 5 are not deflected in the loading process. The upper pressing tool 5 is provided with a V-shaped groove B9, the V-shaped groove B9 is matched with the rectangular groove 8 to jointly position the bearing 6, a displacement sensor is arranged on the molded surface of the upper pressing tool 5, a pressure sensor is arranged on a contact point of the upper pressing tool 5 and the outer ring of the bearing 6, the displacement sensor and the pressure sensor are used for continuously monitoring the force and displacement of the bearing 6 in the loading process, and the displacement sensor and the pressure sensor synchronously display the readings along with the loading of external force.
The utility model discloses the working process: when the support block is used, the support block 2 is placed on the base plate 1, the bearing 6 is sleeved in the middle of the mandrel 4, the mandrel 4 is placed in the V-shaped groove A7 of the support block 2 to be fixed, the guide sleeve 3 is sleeved on the outer side of the support block 2, and finally the upper pressing tool 5 is pressed on the bearing 6 along the inner wall of the guide sleeve 3. By applying external force to the upper pressing tool 5, the bearing 6 is stressed and generates deformation, readings of the force and the deformation can be read by the pressure sensor and the displacement sensor, when the bit is moved out in the loading process to be abnormal, the bearing 6 is broken, and the read readings are the maximum radial bearing force and the displacement.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (4)
1. The utility model provides a test device of three ball pin bearing radial bearing capacity which characterized in that: comprises a backing plate (1), a supporting block (2), a guide sleeve (3), a mandrel (4), an upper pressing tool (5), a bearing (6), a V-shaped groove A (7), a rectangular groove (8) and a V-shaped groove B (9), wherein the supporting block (2) is placed on the backing plate (1), the supporting block (2) is provided with the V-shaped groove A (7) and the rectangular groove (8) which are staggered in a cross shape, the positioning mandrel (4) is installed and supported in the V-shaped groove A (7), the bearing (6) is sleeved on the mandrel (4), the bearing (6) is positioned in the rectangular groove (8), the guide sleeve (3) is sleeved outside the supporting block (2), the guide sleeve (3) is higher than the top of the bearing (6), the upper pressing tool (5) is installed in the top of the guide sleeve (3), the upper pressing tool (5) is positioned above the bearing (6), the V-shaped groove B (9) is arranged on the upper pressing tool (5), the V-shaped groove B (9) is matched with the rectangular groove (, a displacement sensor is arranged on the molded surface of the upper pressing tool (5), and a pressure sensor is arranged on the contact point of the upper pressing tool (5) and the outer ring of the bearing (6).
2. The testing device for the radial bearing capacity of the tripod bearing according to claim 1, wherein: the inner diameter of the guide sleeve (3) is matched with the outer diameters of the support block (2) and the upper pressing tool (5) so as to ensure that the support block (2) and the upper pressing tool (5) are not deflected in the loading process.
3. The testing device for the radial bearing capacity of the tripod bearing according to claim 1, wherein: the middle part of the mandrel (4) is adapted to the inner ring of the bearing (6).
4. The testing device for the radial bearing capacity of the tripod bearing according to claim 1, wherein: the depth of the rectangular groove (8) is larger than the radius of the bearing (6), and the bearing (6) has a space moving downwards in the rectangular groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022871139.7U CN213658253U (en) | 2020-12-04 | 2020-12-04 | Testing device for radial bearing capacity of three-ball pin bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022871139.7U CN213658253U (en) | 2020-12-04 | 2020-12-04 | Testing device for radial bearing capacity of three-ball pin bearing |
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| Publication Number | Publication Date |
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| CN213658253U true CN213658253U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022871139.7U Active CN213658253U (en) | 2020-12-04 | 2020-12-04 | Testing device for radial bearing capacity of three-ball pin bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959718A (en) * | 2021-10-27 | 2022-01-21 | 万向钱潮股份有限公司 | Universal test device and method for universal joint bearing strength test |
-
2020
- 2020-12-04 CN CN202022871139.7U patent/CN213658253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959718A (en) * | 2021-10-27 | 2022-01-21 | 万向钱潮股份有限公司 | Universal test device and method for universal joint bearing strength test |
| CN113959718B (en) * | 2021-10-27 | 2024-06-11 | 万向钱潮股份公司 | Universal joint bearing strength test universal test device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |