CN216012663U - Friction eliminating structure of transverse vibration testing machine - Google Patents
Friction eliminating structure of transverse vibration testing machine Download PDFInfo
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- CN216012663U CN216012663U CN202121968191.2U CN202121968191U CN216012663U CN 216012663 U CN216012663 U CN 216012663U CN 202121968191 U CN202121968191 U CN 202121968191U CN 216012663 U CN216012663 U CN 216012663U
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Abstract
The utility model provides a friction eliminating structure of a transverse vibration testing machine, wherein a vibrating body is sleeved outside a nut sample, a sensor mounting plate is arranged at the bottom end of a main movable plate, a sensor mounting seat is fixed on the sensor mounting plate and fixedly connected with the main movable plate, a bolt sample is fixed at the bottom end of the nut sample and arranged in a bearing sleeve, an axial load sensor is sleeved outside the bearing sleeve and fixedly connected with the sensor mounting plate, a cylindrical roller bearing is fixed between the axial load sensor and the bearing sleeve and comprises an upper bearing plate, a lower bearing plate and a set of rolling elements arranged between the upper bearing plate and the lower bearing plate, the upper bearing plate is fixedly connected with the axial load sensor, the lower bearing plate is fixedly connected with the bearing sleeve, and the set of rolling element eliminating bearing sleeve and the axial load sensor arranged between the upper bearing plate and the lower bearing plate are fixedly connected with the bearing sleeve Friction force therebetween.
Description
Technical Field
The utility model relates to the technical field of vibration tests, in particular to a friction eliminating structure of a transverse vibration testing machine.
Background
When the transverse vibration testing machine is used for testing, the nut sample needs to be applied with torsional force to enable the nut sample to be screwed with the bolt sample, so that clamping force is generated between the lower surface of the nut sample and a stress surface of the bolt sample, the bolt sample drives the T-shaped sleeve and the bearing sleeve to rotate in the process, relative rotation is generated between the bearing sleeve and the axial load sensor, the bearing surface of the axial load sensor is under the action of friction force, and the clamping force measured by the axial load sensor is unreal data.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a friction eliminating structure of a transverse vibration testing machine.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a friction eliminating structure of a transverse vibration testing machine comprises a main movable plate and a placing hole formed in the main movable plate, wherein a nut sample is placed in the placing hole, a vibrating body is sleeved outside the nut sample, a sensor mounting plate is arranged at the bottom end of the main movable plate, a sensor mounting seat is fixed on the sensor mounting plate and fixedly connected with the main movable plate, a bolt sample is fixed at the bottom end of the nut sample and arranged in a bearing sleeve, an axial load sensor is sleeved outside the bearing sleeve and fixedly connected with the sensor mounting plate, a cylindrical roller bearing is fixed between the axial load sensor and the bearing sleeve and comprises an upper bearing plate, a lower bearing plate and a set of rolling elements arranged between the upper bearing plate and the lower bearing plate, and the upper bearing plate is fixedly connected with the axial load sensor, the lower bearing plate is fixedly connected with the bearing sleeve, and a set of rolling bodies arranged between the lower bearing plate and the upper bearing plate eliminate the friction force between the bearing sleeve and the axial load sensor.
Furthermore, a gasket is arranged between the nut sample and the vibrating body.
Furthermore, both sides of the bottom end of the sensor mounting plate are fixed with rotation preventing plates which are fixedly connected with rotation preventing frames, and the rotation preventing frames are fixedly connected with the bearing sleeve.
Furthermore, a T-shaped sleeve for fixing the bolt sample is arranged in the bearing sleeve.
Furthermore, the bottom end of the T-shaped sleeve is fixedly provided with an anti-rotation structure.
Compared with the prior art, the utility model has the following beneficial effects: according to the friction eliminating structure of the transverse vibration testing machine, the cylindrical roller bearing is arranged between the bearing sleeve and the axial load sensor, so that when the bearing sleeve and the axial load sensor rotate relatively, friction between the bearing sleeve and the axial load sensor is eliminated through rolling of the set of rolling bodies in the cylindrical roller bearing, and accuracy of clamping force data of the transverse vibration testing machine is improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Detailed Description
The utility model is further described below with reference to the figures and examples.
Referring to fig. 1, the friction eliminating structure of a transverse vibration testing machine provided by the utility model comprises a main movable plate 1 and a placing hole 2 formed in the main movable plate 1, a nut sample 3 is placed in the placing hole 2, a vibrating body 4 is sleeved outside the nut sample 3, a sensor mounting plate 5 is arranged at the bottom end of the main movable plate 1, a sensor mounting seat 6 is fixed on the sensor mounting plate 5, the sensor mounting seat 6 is fixedly connected with the main movable plate 1, a bolt sample 7 is fixed at the bottom end of the nut sample 3, the bolt sample 7 is arranged in a bearing sleeve 8, an axial load sensor 9 is sleeved outside the bearing sleeve 8, the axial load sensor 9 is fixedly connected with the sensor mounting plate 5, a cylindrical roller bearing 10 is fixed between the axial load sensor 9 and the bearing sleeve 8, and the cylindrical roller bearing 10 comprises an upper bearing plate 101, a lower bearing plate 4, The bearing device comprises a lower bearing plate 102 and a set of rolling bodies 103 arranged between the upper bearing plate 101 and the lower bearing plate 102, wherein the upper bearing plate 101 is fixedly connected with the axial load sensor 9, the lower bearing plate 102 is fixedly connected with a bearing sleeve 8, and the set of rolling bodies 103 arranged between the upper bearing plate 101 and the lower bearing plate 102 eliminate friction force between the bearing sleeve 8 and the axial load sensor 9.
Specifically, a spacer 11 is provided between the nut sample 3 and the vibrator 4.
Specifically, 5 bottom both sides of sensor mounting panel all are fixed with the rotating-proof plate 12, rotating-proof plate 12 all with prevent rotating-proof 13 fixed connection, prevent rotating-proof 13 and bearing sleeve 8 fixed connection, be equipped with the T jacket 14 that is used for fixing bolt sample 7 in the bearing sleeve 8, the 14 bottom mounting of T jacket has and prevents to build 15.
When the utility model works, the upper bearing plate 101 is fixedly connected with the axial load sensor 9, the lower bearing plate 102 is fixedly connected with the bearing sleeve 8, the rolling elements 103 are arranged between the upper bearing plate 101 and the lower bearing plate 102, the torsion force is required to be applied to the nut sample 3 to screw the nut sample 3 and the bolt sample 7 during the test, thereby generating clamping force between the lower surface of the nut sample 3 and the stress surface of the bolt sample 7, the bolt sample 7 drives the T-shaped sleeve 14 and the bearing sleeve 8 to rotate in the process, the bearing sleeve 8 and the axial load sensor 9 are enabled to relatively rotate, and the rolling bodies 103 in the cylindrical roller bearing 10 arranged between the bearing sleeve 8 and the axial load sensor 9 roll at the moment, so that the friction force between the bearing sleeve 8 and the axial load sensor 9 is eliminated, and the accuracy of the clamping force data of the transverse vibration testing machine is improved.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a structure of eliminating friction of transverse vibration testing machine, its characterized in that, includes main fly leaf (1) and sets up the hole (2) of placing on main fly leaf (1), place nut sample (3) in the hole (2), pendulum (4) are established to nut sample (3) overcoat, main fly leaf (1) bottom is equipped with sensor mounting panel (5), be fixed with sensor mount pad (6) on sensor mounting panel (5), sensor mount pad (6) and main fly leaf (1) fixed connection, nut sample (3) bottom mounting has bolt sample (7), bolt sample (7) set up in bearing housing (8), bearing housing (8) overcoat is equipped with axial load sensor (9), axial load sensor (9) and sensor mounting panel (5) fixed connection, a cylindrical roller bearing (10) is fixed between the axial load sensor (9) and the bearing sleeve (8), the cylindrical roller bearing (10) comprises an upper bearing plate (101), a lower bearing plate (102) and a set of rolling bodies (103) arranged between the upper bearing plate (101) and the lower bearing plate (102), the upper bearing plate (101) is fixedly connected with the axial load sensor (9), the lower bearing plate (102) is fixedly connected with the bearing sleeve (8), and the set of rolling bodies (103) arranged between the upper bearing plate (101) and the lower bearing plate (102) eliminate friction between the bearing sleeve (8) and the axial load sensor (9).
2. The structure for eliminating friction of a transverse vibration testing machine according to claim 1, characterized in that a spacer (11) is provided between the nut sample (3) and the vibration body (4).
3. The structure of claim 2, wherein the two sides of the bottom end of the sensor mounting plate (5) are fixed with anti-rotation plates (12), the anti-rotation plates (12) are fixedly connected with the anti-rotation frame (13), and the anti-rotation frame (13) is fixedly connected with the bearing sleeve (8).
4. The structure for eliminating friction in a transverse vibration testing machine according to claim 3, characterized in that a T-shaped sleeve (14) for fixing the bolt sample (7) is provided in the bearing sleeve (8).
5. The structure for eliminating friction in a transverse vibration testing machine according to claim 4, characterized in that an anti-rotation piece (15) is fixed to the bottom end of the T-shaped sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121968191.2U CN216012663U (en) | 2021-08-20 | 2021-08-20 | Friction eliminating structure of transverse vibration testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121968191.2U CN216012663U (en) | 2021-08-20 | 2021-08-20 | Friction eliminating structure of transverse vibration testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216012663U true CN216012663U (en) | 2022-03-11 |
Family
ID=80594357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121968191.2U Active CN216012663U (en) | 2021-08-20 | 2021-08-20 | Friction eliminating structure of transverse vibration testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216012663U (en) |
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2021
- 2021-08-20 CN CN202121968191.2U patent/CN216012663U/en active Active
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