CN216349567U - Universal test device for universal joint bearing strength test - Google Patents
Universal test device for universal joint bearing strength test Download PDFInfo
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- CN216349567U CN216349567U CN202122597345.8U CN202122597345U CN216349567U CN 216349567 U CN216349567 U CN 216349567U CN 202122597345 U CN202122597345 U CN 202122597345U CN 216349567 U CN216349567 U CN 216349567U
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Abstract
The utility model discloses a universal test device for testing the strength of a universal joint bearing, which relates to the field of universal joint bearings and comprises a universal joint assembly and the like, wherein the universal joint assembly comprises a cross shaft and universal joint bearings sleeved on four shaft heads of the cross shaft; the bearing strength testing machine comprises a rack, wherein a hydraulic press is arranged at the upper part of the rack, and a pressure head clamping base is fixed on the hydraulic press and used for fixedly clamping a variable-diameter pressure head; the variable-diameter pressure head is driven by a hydraulic machine to lift, and the variable-diameter pressure head is adapted to universal joint bearings with different inner diameters by selectively adjusting the outer diameter; the bearing clamping base is arranged right below the variable-diameter pressure head and used for fixedly clamping the universal joint bearing to be tested, and the bearing clamping base is provided with a sensor which is electrically connected with the control end and the analysis platform and used for transmitting experimental data of the universal joint bearing. The universal joint bearing strength test device overcomes the defect that the universal joint bearing strength test device is not universal, and the universality of the test clamp is realized through the variable-diameter pressure head.
Description
Technical Field
The utility model relates to the field of universal joint bearings, in particular to a universal test device for testing the strength of a universal joint bearing.
Background
In the prior art, when a universal joint bearing strength test is carried out, pressure is applied to the bottom of a bearing through a pressure testing machine, and test data are recorded according to the state of the bearing. The clamping pressure head and the base used for the test are required to be matched with the sizes of the bearing and the cross shaft used for the test. Different specifications of pressure heads are required to be customized for bearings with different sizes, namely the diameter of the pressure head is determined by the inner diameter of the bearing, and the bearings with different inner diameters need the pressure heads with different sizes, so that the manufacturing cost and the management difficulty of the test fixture are increased, the product detection period is prolonged, and the universality of the fixture is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the universal test device for testing the strength of the universal joint bearing, so that the universality of a bearing strength test clamp is improved, the design and management cost of the test device is reduced, the time required by the test is reduced, and the product verification test period is shortened.
The purpose of the utility model is achieved by the following technical scheme: the universal joint bearing strength test universal test device comprises a universal joint assembly, a variable-diameter pressure head, a control end, an analysis platform and a bearing strength test machine, wherein the universal joint assembly comprises a cross shaft and universal joint bearings sleeved on four shaft heads of the cross shaft; the bearing strength testing machine comprises a rack, wherein a hydraulic press is arranged at the upper part of the rack, and a pressure head clamping base is fixed on the hydraulic press and used for fixedly clamping the variable-diameter pressure head; the variable-diameter pressure head is driven by a hydraulic machine to lift, and the variable-diameter pressure head is adapted to universal joint bearings with different inner diameters through selectively adjusting the outer diameter; the bearing clamping base is arranged under the variable-diameter pressure head and used for fixedly clamping the universal joint bearing to be tested, and the bearing clamping base is provided with a sensor which is electrically connected with the control end and the analysis platform and used for transmitting experimental data of the universal joint bearing.
As a further technical scheme, the variable-diameter pressure head comprises an adjusting bolt, a mounting sleeve, a pressure head base and a petal-shaped pressure head, wherein the mounting sleeve is sleeved on the periphery of the pressure head base, the three petal-shaped pressure head is movably connected to the periphery of the pressure head base, and a taper hole is formed between the three petal-shaped pressure heads; adjusting bolt is fixed with the installation sleeve, and adjusting bolt's pole portion is up, the head down to run through lamella form pressure head, pressure head base and installation sleeve in proper order, adjusting bolt's head top is in on the inner wall of taper hole, adjusting bolt opens or folds through lift control three lamella form pressure heads.
As a further technical scheme, the outer wall of the mounting sleeve is provided with a pressure head mounting hole for matching with a pressure head clamping base to fix the variable-diameter pressure head with the hydraulic machine.
As a further technical scheme, a plurality of pressure head positioning holes are formed in the outer wall of the mounting sleeve.
As a further technical scheme, the pressure head base is connected with the petal-shaped pressure head connecting end at the top of the petal-shaped pressure head through a double-headed screw rod, so that the petal-shaped pressure head rotates around the petal-shaped pressure head connecting end.
As a further technical scheme, a petal-shaped pressure head contact end positioned at the bottom of the petal-shaped pressure head is used for contacting a universal joint bearing so as to apply pressure.
As a further technical scheme, the bearing clamping base is arranged on a test bed right below the variable-diameter pressure head.
The utility model has the beneficial effects that: the defect that the universal joint bearing strength test device is not universal in clamp is overcome, and the universality of the test clamp is realized by the variable-diameter pressure head designed by the utility model and the use method. Compared with a special pressure head, the universal variable-diameter pressure head reduces the design, manufacture and management cost management of the test device, facilitates test operation, quickens the test period for testing bearings of different sizes, and further improves the research and development efficiency of products.
Drawings
FIG. 1 is a schematic diagram of a gimbal assembly.
Fig. 2 is a schematic structural view of a gimbal bearing.
Fig. 3 is a schematic structural diagram of the variable diameter pressure head.
Figure 4 is a half cross-sectional view of a variable diameter ram.
Fig. 5 is a schematic view of a connection structure of the indenter base and the petal-shaped indenter.
Fig. 6 is a schematic view of a connection structure of the control end and the analysis platform with the bearing strength tester.
FIG. 7 is a schematic view of a variable diameter ram and a smaller diameter gimbal bearing mounting arrangement.
FIG. 8 is a schematic view of a variable diameter ram and a larger diameter gimbal bearing mounting arrangement.
Description of reference numerals: the universal joint assembly comprises a universal joint assembly 1, a cross shaft 11, a universal joint bearing 12, a universal joint outer ring 121, a plurality of rolling needles 122, an oil seal 123, a variable-diameter pressure head 2, an adjusting bolt 21, an installation sleeve 22, a pressure head installation hole 221, a pressure head positioning hole 222, a pressure head base 23, a double-threaded screw 231, a petal-shaped pressure head 24, a petal-shaped pressure head contact end 241, a petal-shaped pressure head connection end 242, a taper hole 25, a control end and analysis platform 3, a bearing strength testing machine 4, a hydraulic machine 41, a bearing clamping base 42, a pressure head clamping base 43, a rack 44 and a test bench 45.
Detailed Description
The utility model will be described in detail below with reference to the following drawings:
example (b): as shown in attached drawings 1-8, the universal joint bearing strength test universal test device comprises a universal joint assembly 1, a variable diameter pressure head 2, a control end, an analysis platform 3 and a bearing strength test machine 4. Referring to fig. 1, the universal joint assembly 1 includes a cross 11 and universal joint bearings 12 mounted on four shaft heads of the cross 11. As shown in fig. 2, the universal joint bearing 12 includes a universal joint outer ring 121, a plurality of needle rollers 122, and an oil seal 123 provided at a mouth portion of the universal joint outer ring 121. As shown in fig. 6, the bearing strength testing machine 4 comprises a rack 44, a hydraulic press 41 is mounted on the upper portion of the rack 44, and a pressure head clamping base 43 is fixed on the hydraulic press 41 and used for fixedly clamping the variable diameter pressure head 2; the variable-diameter pressure head 2 is driven by a hydraulic machine 41 to lift, and the variable-diameter pressure head 2 is adapted to the universal joint bearings 12 with different inner diameters through selective adjustment of the outer diameter. Further, as shown in fig. 3, 4 and 5, the variable-diameter pressure head 2 comprises an adjusting bolt 21, a mounting sleeve 22, a pressure head base 23 and a petal-shaped pressure head 24, wherein the mounting sleeve 22 is sleeved on the periphery of the pressure head base 23, the three petal-shaped pressure head 24 is movably connected to the periphery of the pressure head base 23, and a taper hole 25 is formed between the three petal-shaped pressure heads 24; adjusting bolt 21 is fixed with installation sleeve 22, and adjusting bolt 21's pole portion is up, the head is down to run through lamella form pressure head 24, pressure head base 23 and installation sleeve 22 in proper order, adjusting bolt 21's head top is in on the inner wall of taper hole 25, adjusting bolt 21 opens or folds through lift control three lamella form pressure head 24. And the outer wall of the mounting sleeve 22 is provided with a pressure head mounting hole 221 for matching with the pressure head clamping base 43 to fix the variable-diameter pressure head 2 with the hydraulic machine 41. The outer wall of the mounting sleeve 22 is provided with a plurality of indenter positioning holes 222 for positioning the petal-shaped indenter 24 so as to stabilize the indenter. The pressure head base 23 is connected with the petal-shaped pressure head connecting end 242 at the top of the petal-shaped pressure head 24 through the double-thread screw 231, so that the petal-shaped pressure head 24 rotates around the petal-shaped pressure head connecting end 242. A lobed ram contact tip 241 located at the base of the lobed ram 24 is used to contact the gimbal bearing 12 to apply pressure.
As shown in fig. 6, the bearing clamping base 42 is disposed on a test bed 45 directly below the variable diameter ram 2, and is used for fixedly clamping the universal joint bearing 12 to be tested. And a sensor is arranged on the bearing clamping base 42, and the sensor is electrically connected with the control end and the analysis platform 3 and is used for transmitting the experimental data of the universal joint bearing 12.
The test method adopting the device comprises the following steps:
1) clamping the universal joint bearing 12 to be tested at a bearing clamping base 42 in the bearing strength testing machine 4;
2) as shown in fig. 8, for the universal joint bearing 12 with a larger diameter (diameter D2), the adjusting bolt 21 is rotated upwards, due to the existence of the taper hole 25, the adjusting bolt 21 pushes the petal-shaped pressure head 24, and the petal-shaped pressure head contact end 241 rotates around the double-headed screw 231, so that the three petal-shaped pressure head 24 is opened to expand the outer diameter of the petal-shaped pressure head contact end 241; the contact end 241 of the petal-shaped pressure head abuts against the needle roller 122 of the universal joint bearing 12, and the head of the adjusting bolt 21 is located at a height H2. As shown in fig. 7, for the universal joint bearing 12 with a smaller diameter (diameter D1, D1< D2), the adjusting bolt 21 is turned downwards, the tapered hole 25 is matched with the action of gravity, and the petal-shaped pressure head contact end 241 rotates around the double-headed screw 231, so that the three petal-shaped pressure head 24 is folded to reduce the outer diameter of the petal-shaped pressure head contact end 241; the contact end 241 of the petal-shaped pressure head abuts against the roller pin 122 of the universal joint bearing 12, and the height of the head of the adjusting bolt 21 is H1(H1< H2). After the variable-diameter pressure head 2 is adjusted to a matched size according to the size of the universal joint bearing 12, the pressure head positioning hole 222 is adjusted to enable the variable-diameter pressure head 2 to be stable;
3) assembling the pressure head mounting hole 221 with the pressure head clamping base 43 to fix the variable-diameter pressure head 2 with the hydraulic machine 41;
4) and starting the bearing strength testing machine 4, gradually moving the hydraulic machine 41 downwards to apply pressure to the universal joint bearing 12, and reading experimental data through the control end and the analysis platform 3.
The utility model innovatively solves the defect that the universal joint bearing strength test device is not universal, and the universality of the test fixture is realized by the variable-diameter pressure head designed by the utility model and the use method. Compared with a special pressure head, the universal variable-diameter pressure head reduces the design, manufacture and management cost management of the test device, facilitates test operation, quickens the test period for testing bearings of different sizes, and further improves the research and development efficiency of products.
It should be understood that equivalent alterations and modifications of the technical solution and the inventive concept of the present invention by those skilled in the art should fall within the scope of the appended claims.
Claims (7)
1. The utility model provides a universal joint bearing strength test universal test device which characterized in that: the universal joint testing device comprises a universal joint assembly (1), a variable-diameter pressure head (2), a control end and analysis platform (3) and a bearing strength testing machine (4), wherein the universal joint assembly (1) comprises a cross shaft (11) and universal joint bearings (12) sleeved on four shaft heads of the cross shaft (11); the bearing strength testing machine (4) comprises a rack (44), a hydraulic press (41) is installed at the upper part of the rack (44), and a pressure head clamping base (43) is fixed on the hydraulic press (41) and used for fixedly clamping the variable-diameter pressure head (2); the variable-diameter pressure head (2) is driven by a hydraulic machine (41) to lift, and the variable-diameter pressure head (2) is adapted to universal joint bearings (12) with different inner diameters through selective adjustment of the outer diameter; the bearing clamping base (42) is arranged under the variable-diameter pressure head (2) and used for fixedly clamping the universal joint bearing (12) to be tested, a sensor is arranged on the bearing clamping base (42), and the sensor is electrically connected with the control end and the analysis platform (3) and used for transmitting experimental data of the universal joint bearing (12).
2. The universal test device for testing the strength of the universal joint bearing according to claim 1, wherein: the variable-diameter pressure head (2) comprises an adjusting bolt (21), a mounting sleeve (22), a pressure head base (23) and a petal-shaped pressure head (24), the mounting sleeve (22) is sleeved on the periphery of the pressure head base (23), the three petal-shaped pressure head (24) is movably connected to the periphery of the pressure head base (23), and a taper hole (25) is formed between the three petal-shaped pressure heads (24); adjusting bolt (21) are fixed with installation sleeve (22), and the pole portion of adjusting bolt (21) is up, the head down to run through lamella form pressure head (24), pressure head base (23) and installation sleeve (22) in proper order, the head top of adjusting bolt (21) is in on the inner wall of taper hole (25), adjusting bolt (21) open or fold through three lamella form pressure heads (24) of lift control.
3. The universal test device for testing the strength of the universal joint bearing according to claim 2, wherein: and the outer wall of the mounting sleeve (22) is provided with a pressure head mounting hole (221) for matching with a pressure head clamping base (43) to fix the variable-diameter pressure head (2) with the hydraulic machine (41).
4. The universal test device for testing the strength of the universal joint bearing according to claim 2, wherein: and a plurality of pressure head positioning holes (222) are formed in the outer wall of the mounting sleeve (22).
5. The universal test device for testing the strength of the universal joint bearing according to claim 2, wherein: the pressure head base (23) is connected with the petal-shaped pressure head connecting end (242) at the top of the petal-shaped pressure head (24) through a double-headed screw (231), so that the petal-shaped pressure head (24) rotates around the petal-shaped pressure head connecting end (242).
6. The universal test device for testing the strength of the universal joint bearing according to claim 2, wherein: a petal-shaped indenter contact tip (241) at the bottom of the petal-shaped indenter (24) is used to contact the gimbal bearing (12) to apply pressure.
7. The universal test device for testing the strength of the universal joint bearing according to claim 1, wherein: the bearing clamping base (42) is arranged on a test bed (45) right below the variable-diameter pressure head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597345.8U CN216349567U (en) | 2021-10-27 | 2021-10-27 | Universal test device for universal joint bearing strength test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597345.8U CN216349567U (en) | 2021-10-27 | 2021-10-27 | Universal test device for universal joint bearing strength test |
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| Publication Number | Publication Date |
|---|---|
| CN216349567U true CN216349567U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122597345.8U Active CN216349567U (en) | 2021-10-27 | 2021-10-27 | Universal test device for universal joint bearing strength test |
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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 |
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2021
- 2021-10-27 CN CN202122597345.8U patent/CN216349567U/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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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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