CN219757945U - Lateral force testing and loading device - Google Patents
Lateral force testing and loading device Download PDFInfo
- Publication number
- CN219757945U CN219757945U CN202321000692.0U CN202321000692U CN219757945U CN 219757945 U CN219757945 U CN 219757945U CN 202321000692 U CN202321000692 U CN 202321000692U CN 219757945 U CN219757945 U CN 219757945U
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- Prior art keywords
- lateral force
- bearing
- loading device
- oil cylinder
- pressure sensor
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a lateral force testing and loading device which can reduce assembly and adjustment time, improve testing accuracy and prolong the service life of a tool. The device comprises a lateral force coupler and a support frame, wherein a lateral force loading device and a lateral force bench are arranged on the support frame. The side force loading device comprises a loading structure, a pressure sensor is arranged below the loading structure, and a stress piece is arranged below the pressure sensor, and the side force loading device is characterized in that: the lateral force loading device is integrated with the test bench into a whole; the stress piece comprises a compression bar and a linear bearing, and the linear bearing is sleeved at the lower end of the compression bar.
Description
Technical Field
The utility model relates to the field of lateral force testing tools, in particular to a lateral force testing and loading device.
Background
The conventional side force testing and loading device comprises a side force loading device, a testing coupler and a testing bench. The lateral force loading device comprises an oil cylinder base, an oil cylinder, a threaded connector, a pressure sensor and a pressure rod. The oil cylinder is arranged at the lower end of the oil cylinder base, the upper end of the threaded connector is screwed into a piston rod of the oil cylinder, the lower end of the threaded connector is screwed into a threaded connection hole at the upper end of the pressure sensor, and the lower end of the pressure sensor is connected with the pressure rod. The test bench includes a mounting base. The installation base is installed at the slide rail. The shaft coupler for testing comprises a shaft sleeve and a cylindrical roller bearing. The cylindrical roller bearing is sleeved on the outer side of the shaft sleeve.
The test steps are as follows:
1, mounting a tested product on a test bench through a test flange tool;
2, sleeving a main shaft of the tested product into a shaft sleeve of the coupler for testing;
3, moving the mounting base, and fixing the mounting base on the sliding rail by using a fixing bolt after the tested product is adjusted to a lateral force loading position;
4 the oil cylinder of the lateral force loading device loads lateral force downwards, a piston rod of the oil cylinder pushes the pressure sensor and the pressure rod through the threaded connector, and the pressure rod props against and applies the lateral force to the cylindrical roller bearing of the coupler for testing. The lateral force is transmitted to a main shaft of the tested product, and the main shaft is connected with a bearing in the tested product so as to test the lateral force bearable by the bearing in the tested product;
5. and reading a test result through the pressure sensor.
When the scheme is used for adjusting the loading position of the test force, the adjustment time is long, and the position is inaccurate. According to the experience of using conventional side force frock for a long time, the bearing stress area is little on the test shaft coupling when the side force is loaded, causes the bearing stress to be too concentrated to make the bearing damage, the life-span is low.
Disclosure of Invention
Aiming at the defects of long adjusting time, inaccurate position and low service life of the existing lateral force testing and loading device when the testing force loading position is adjusted, the utility model provides the lateral force testing and loading device which can reduce the assembling and adjusting time, improve the testing accuracy and ensure the service life of a tool to be longer.
The utility model adopts the following technical scheme: the device comprises a lateral force coupler and a support frame, wherein a lateral force loading device and a lateral force rack are arranged on the support frame, the lateral force loading device comprises a loading structure, a pressure sensor is arranged below the loading structure, and a stressed piece is arranged below the pressure sensor, and the device is characterized in that: the lateral force loading device is integrated with the test bench into a whole; the stress piece comprises a compression bar and a linear bearing, and the linear bearing is sleeved at the lower end of the compression bar.
It is further characterized by: the loading structure comprises an oil cylinder, the oil cylinder is arranged on an oil cylinder base, the oil cylinder base is arranged on the supporting frame, the extending end of a piston rod of the oil cylinder is connected with one end of a threaded connector, and the other end of the threaded connector is provided with the pressure sensor; the lateral force coupler comprises a shaft sleeve, wherein the inner cavity of the shaft sleeve comprises a cylindrical cavity and a round platform cavity which are connected, one end of the round platform cavity corresponds to the inner cavity, a cylindrical roller bearing is sleeved outside the shaft sleeve, and a bearing sleeve is sleeved outside the cylindrical roller bearing; the end part of the inner ring of the cylindrical roller bearing is pressed on the annular wall surface of the periphery of the shaft sleeve, the end surface of the outer ring of the cylindrical roller bearing, which is positioned at the end, is pressed on the annular wall surface of the inner cavity of the bearing sleeve, one side, which is far away from the cylindrical cavity, of the inner ring of the cylindrical roller bearing is correspondingly pressed with a clamp spring for a shaft and a clamp spring for a hole, the clamp spring for the shaft is embedded on the outer wall surface of the shaft sleeve, and the clamp spring for the hole is clamped on the inner wall surface of the bearing sleeve.
Compared with the prior art, the utility model integrates the test loading device and the test bench into a whole, and after the tested product is installed and the lateral force coupler is installed, the lateral force loading position is immediately determined, the test position is not required to be debugged, the test loading device can directly load the test bench, and the loading position is accurate, so that the assembly time is shortened, and the test accuracy is improved. The cylindrical roller bearing of the coupler for testing is assembled in the bearing sleeve, and lateral force is dispersed to act on the upper half part of the bearing sleeve during testing, so that the bearing can be uniformly stressed, and the stress concentration of the bearing can not be caused, thereby prolonging the service life of the coupler for testing. Grease can be smeared in the bearing sleeve, so that the service life of the bearing is prolonged.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model without a product being tested;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional structural view of a lateral force coupling of the present utility model;
FIG. 4 is a schematic diagram of the front view of the present utility model after the product to be tested is installed;
fig. 5 is a schematic cross-sectional view of the left side of fig. 4.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the utility model comprises a lateral force coupling 10 and a support frame 7, wherein a lateral force loading device and a lateral force bench are arranged on the support frame 7, the lateral force bench is provided with a lateral force loading device which comprises a loading structure, the loading structure comprises an oil cylinder 2, the oil cylinder 2 is arranged on an oil cylinder base 1, the oil cylinder base 1 is arranged on the support frame 7, the extending end of a piston rod of the oil cylinder 2 is connected with one end of a threaded connector 3, the other end of the threaded connector 3 is provided with a pressure sensor 4, and a stressed piece is arranged below the pressure sensor 4; the stress piece comprises a compression bar 5 and a linear bearing 6, the linear bearing 6 is sleeved at the lower end of the compression bar 5, and the lateral force loading device and the test bench are integrated into a whole. The lateral force coupler comprises a shaft sleeve 12, wherein the inner cavity of the shaft sleeve 12 comprises a cylindrical cavity and a round platform cavity which are connected, and the outer part of the shaft sleeve 12 is sleeved with a cylindrical roller bearing 13 corresponding to one end of the round platform cavity, and the outer part of the cylindrical roller bearing 13 is sleeved with a bearing sleeve 14; the end part of the inner ring of the cylindrical roller bearing 13 is pressed on the circular wall surface of the periphery of the shaft sleeve 12, the end surface of the outer ring of the cylindrical roller bearing 13 positioned at the end is pressed on the circular wall surface of the inner cavity of the bearing sleeve 14, one side far away from the cylindrical cavity is correspondingly pressed with a clamp spring 16 for a shaft and a clamp spring 15 for a hole, the clamp spring 16 for the shaft is embedded on the outer wall surface of the shaft sleeve 12, and the clamp spring 15 for the hole is clamped on the inner wall surface of the bearing sleeve 14.
The working procedure of the present utility model is described below with reference to fig. 4 and 5:
1. the test flange tool 9 is mounted on a tested product 11 through bolts, a main shaft of the tested product 11 is sleeved into the lateral force coupler 10, so that the lateral force coupler 10 is mounted on the tested product 11, and at the moment, the lateral force loading position is immediately determined, and the test position does not need to be debugged;
2. integrally mounting the mounted component on the mounting base 8;
3. the oil cylinder 2 is loaded with lateral force downwards, a piston rod of the oil cylinder 2 pushes the pressure sensor 4 through the threaded connector 3, the pressure sensor 4 pushes the pressure rod 5 downwards after receiving pressure, the linear bearing 6 plays a guiding role, the lower end of the pressure rod 5 is enabled to accurately prop against and act on the bearing sleeve 14 of the lateral force coupler 10, the lateral force is transmitted to a main shaft of a tested product, and the main shaft is connected with a bearing in the tested product so as to test the lateral force bearable by the bearing in the tested product;
4. the test results are read by the pressure sensor 4.
Further, the utility model can also be smeared with lubricating grease in the bearing sleeve 14, thereby further prolonging the service life of the bearing and further prolonging the service life of the coupling for testing.
Claims (2)
1. The lateral force testing and loading device comprises a supporting frame, wherein a lateral force loading device and a lateral force rack are arranged on the supporting frame, a lateral force coupler is arranged on the lateral force rack, the lateral force loading device comprises a loading structure, a pressure sensor is arranged below the loading structure, and a stressed piece is arranged below the pressure sensor, and the lateral force testing and loading device is characterized in that: the lateral force loading device is integrated with the lateral force bench into a whole; the stress piece comprises a compression bar and a linear bearing, and the linear bearing is sleeved at the lower end of the compression bar.
2. A lateral force testing and loading device according to claim 1, wherein: the loading structure comprises an oil cylinder, the oil cylinder is arranged on an oil cylinder base, the oil cylinder base is arranged on the supporting frame, the extending end of a piston rod of the oil cylinder is connected with one end of a threaded connector, and the other end of the threaded connector is provided with the pressure sensor; the lateral force coupler comprises a shaft sleeve, wherein the inner cavity of the shaft sleeve comprises a cylindrical cavity and a round platform cavity which are connected, and corresponds to one end of the round platform cavity, a bearing is sleeved outside the shaft sleeve, and a bearing sleeve is sleeved outside the bearing; the end part of the inner ring of the bearing is pressed on the circular ring-shaped wall surface of the periphery of the shaft sleeve, the end surface of the outer ring of the bearing, which is positioned at the end, is pressed on the circular ring-shaped wall surface of the inner cavity of the bearing sleeve, and is far away from one side of the cylindrical cavity, the end parts of the inner ring and the outer ring of the bearing are correspondingly pressed with a clamp spring for a shaft and a clamp spring for a hole, the clamp spring for the shaft is embedded on the outer wall surface of the shaft sleeve, and the clamp spring for the hole is clamped on the inner wall surface of the bearing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000692.0U CN219757945U (en) | 2023-04-28 | 2023-04-28 | Lateral force testing and loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000692.0U CN219757945U (en) | 2023-04-28 | 2023-04-28 | Lateral force testing and loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757945U true CN219757945U (en) | 2023-09-26 |
Family
ID=88087130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321000692.0U Active CN219757945U (en) | 2023-04-28 | 2023-04-28 | Lateral force testing and loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757945U (en) |
-
2023
- 2023-04-28 CN CN202321000692.0U patent/CN219757945U/en active Active
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