CN220455097U - Screw head wear-resisting testing device - Google Patents
Screw head wear-resisting testing device Download PDFInfo
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- CN220455097U CN220455097U CN202322050047.6U CN202322050047U CN220455097U CN 220455097 U CN220455097 U CN 220455097U CN 202322050047 U CN202322050047 U CN 202322050047U CN 220455097 U CN220455097 U CN 220455097U
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- screw head
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- head wear
- fixedly connected
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a screw head wear-resistant testing device which comprises a fixed ring, wherein a non-return ring is arranged in the fixed ring, a screw head is arranged in the non-return ring in a penetrating manner, the end part of the screw head is connected with a fixed shaft in a threaded manner, a deep groove ball bearing is arranged on the outer surface of the fixed shaft, and an adjusting gasket and a pressure spring are arranged on the right side of the deep groove ball bearing. The utility model can simulate the back pressure of the screw head when in work, simulate the friction between the screw head and the non-return ring for a certain time under a certain back pressure, measure the abrasion loss of the two parts, and determine the abrasion resistance of the part materials without complex testing equipment, and has convenient control and visual comparison.
Description
Technical Field
The utility model relates to the technical field of screw head testing, in particular to a screw head wear-resisting testing device.
Background
The screw head needs to be tested for wear resistance before being used, a traditional test mode is generally tested through large equipment, the testing equipment is complex, uncontrollable factors are more, and the testing effect is inconvenient to visually see.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a screw head wear resistance testing device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the screw head wear-resisting testing device comprises a fixed ring, wherein a non-return ring is arranged in the fixed ring, a screw head is arranged in the non-return ring in a penetrating manner, a fixed shaft is connected with the end part of the screw head in a threaded manner, a deep groove ball bearing is mounted on the outer surface of the fixed shaft, and an adjusting gasket and a pressure spring are arranged on the right side of the deep groove ball bearing.
As a further description of the above technical solution:
the fixing ring and the non-return ring are fixed through a plurality of positioning screws, and the positioning screws are distributed in an annular array.
As a further description of the above technical solution:
the outer surface of the fixed shaft is embedded with a check ring, the check ring is positioned on one side of the deep groove ball bearing, which is far away from the adjusting gasket, and the outer surface of the fixed shaft is provided with a caulking groove which is matched with the check ring.
As a further description of the above technical solution:
the adjusting gaskets and the pressure springs are arranged on the outer surface of the fixed shaft, and the adjusting gaskets are positioned between the pressure springs and the deep groove ball bearings.
As a further description of the above technical solution:
the fixed axle comprises first axis body and second axis body, one side fixedly connected with location fixture block of second axis body, the location draw-in groove has been seted up to one side that first axis body is close to the second axis body, the location fixture block is located the inside of location draw-in groove, the mounting groove body has been seted up at the top of first axis body, the inside of mounting groove body is provided with the joint subassembly.
As a further description of the above technical solution:
the clamping assembly comprises a threaded abutting block which is in threaded connection with the inside of the installation groove body, the lower surface of the threaded abutting block abuts against a connecting rod, the outer surface of the connecting rod is fixedly connected with a movable plate, the upper surface of the movable plate is fixedly connected with a reset spring, the other end of the reset spring is fixedly connected with the inner wall of the installation groove body, the bottom of the connecting rod is fixedly connected with a clamping block, and the clamping block is clamped with the upper surface of the positioning clamping block.
The utility model has the following beneficial effects:
compared with the prior art, the screw head wear-resistant testing device simulates the back pressure of the screw head during working, simulates the friction between the screw head and the non-return ring for a certain time under certain back pressure, measures the wear amount of the two parts to determine the wear resistance of the part materials, does not need complex testing equipment, is convenient to control, and can be visually compared.
Drawings
FIG. 1 is a perspective view of a screw head wear test device according to the present utility model;
FIG. 2 is a perspective view of a second perspective view of the screw head wear testing device according to the present utility model;
FIG. 3 is a cross-sectional view of a screw head wear test device according to the present utility model;
fig. 4 is a schematic structural view of a fixing shaft of the screw head wear-resistance testing device according to the present utility model.
Legend description:
1. a screw head; 2. a non-return ring; 3. a fixing ring; 4. a set screw; 5. a pressure spring; 6. a fixed shaft; 7. adjusting the gasket; 8. deep groove ball bearings; 9. a retainer ring; 10. a first shaft body; 11. a second shaft body; 12. positioning a clamping block; 13. installing a groove body; 14. a thread abutting block; 15. a connecting rod; 16. a movable plate; 17. a clamping block; 18. and a return spring.
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 to 4, the screw head wear resistance test device provided by the utility model comprises: including solid fixed ring 3, gu fixed ring 3's inside is provided with the contrary ring 2 that ends, and the inside of ending the contrary ring 2 runs through and is provided with screw head 1, and screw head 1's tip threaded connection has fixed axle 6, and the surface mounting of fixed axle 6 has deep groove ball bearing 8, and the right side of deep groove ball bearing 8 is provided with adjusting washer 7 and compression spring 5, through adjusting washer 7 thickness or compression spring 5's spring diameter, can simulate screw head 1 in the backpressure size of during operation.
The fixed ring 3 and the non-return ring 2 are fixed through the plurality of positioning screws 4, the plurality of positioning screws 4 are distributed in an annular array, the outer surface of the fixed shaft 6 is embedded with a check ring 9, the check ring 9 is positioned on one side of the deep groove ball bearing 8 far away from the adjusting gasket 7, the outer surface of the fixed shaft 6 is provided with an embedded groove matched with the check ring 9, the check ring 9 is arranged in the embedded groove, the check ring 9 cannot be separated from the outer surface of the fixed shaft 6, the check ring 9 is used for blocking the deep groove ball bearing 8, the deep groove ball bearing 8 is prevented from being separated from the outer surface of the fixed shaft 6, and when the check ring 9 is removed, the adjusting gasket 7, the pressure spring 5 and the deep groove ball bearing 8 can be taken down, so that the thickness of the adjusting gasket 7 or the spring diameter of the pressure spring 5 can be conveniently adjusted;
the adjusting gasket 7 and the pressure spring 5 are arranged on the outer surface of the fixed shaft 6, the adjusting gasket 7 is positioned between the pressure spring 5 and the deep groove ball bearing 8, the rotation of the screw head 1 is driven by the rotation of the test equipment, the non-return ring 2 is fixed at the baffle position, so that the screw head 1 and the non-return ring 2 are in rotary friction, and the non-return ring 2, the fixed ring 3, the pressure spring 5 and the adjusting gasket 7 are kept static during rotation, and the screw head 1, the fixed shaft 6 and the deep groove ball bearing 8 rotate.
The fixed axle 6 comprises first axis body 10 and second axis body 11, one side fixedly connected with location fixture block 12 of second axis body 11, the location draw-in groove has been seted up to one side that first axis body 10 is close to second axis body 11, location fixture block 12 is located the inside of location fixture block, mounting groove body 13 has been seted up at the top of first axis body 10, the inside of mounting groove body 13 is provided with the joint subassembly, the joint subassembly includes threaded connection at the inside screw thread butt piece 14 of mounting groove body 13, the lower surface of screw thread butt piece 14 is contradicted there is connecting rod 15, connecting rod 15's surface fixedly connected with fly leaf 16, fly leaf 16's upper surface fixedly connected with reset spring 18, reset spring 18's the other end and mounting groove body 13's inner wall fixed connection, connecting rod 15's bottom fixedly connected with joint piece 17, joint piece 17 and the upper surface joint of location fixture block 12, through rotatory taking down screw thread butt piece 14, fly leaf 16 resets through reset spring 18, thereby take the joint piece 17 and the upper surface of location fixture block 12 to break away, make first axis body 10 and second axis body 11 accomplish the separation, the convenience is changed and is used.
Working principle:
the tail end of the fixed shaft 6 is clamped by a chuck of a rotating mechanism of the testing equipment, a baffle is arranged at the position of the fixed ring 3, one of the positioning screws 4 is clamped on the baffle through rotation, the screw head 1 is driven to rotate through rotation of the testing equipment, the non-return ring 2 is fixed at the position of the baffle, so that the screw head 1 and the non-return ring 2 carry out rotary friction, the non-return ring 2, the fixed ring 3, the pressure spring 5 and the adjusting gasket 7 are kept static during rotation, the screw head 1, the fixed shaft 6 and the deep groove ball bearing 8 rotate, during testing, the thickness of the adjusting gasket 7 or the spring diameter of the pressure spring 5 can be adjusted according to different back pressure conditions, the back pressure of the screw head 1 during operation is simulated under certain back pressure, the abrasion of the screw head and the non-return ring are measured through friction for a certain time, the abrasion resistance of the two parts is determined, the complicated testing equipment is not needed, and the control is convenient, and visual comparison can be realized.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Screw head wear-resisting testing arrangement, including solid fixed ring (3), its characterized in that: the inside of solid fixed ring (3) is provided with non-return ring (2), the inside of non-return ring (2) runs through and is provided with screw head (1), the tip threaded connection of screw head (1) has fixed axle (6), the surface mounting of fixed axle (6) has deep groove ball bearing (8), the right side of deep groove ball bearing (8) is provided with adjusting washer (7) and compression spring (5).
2. The screw head wear test device of claim 1, wherein: the fixing ring (3) and the non-return ring (2) are fixed through a plurality of positioning screws (4), and the positioning screws (4) are distributed in an annular array.
3. The screw head wear test device of claim 1, wherein: the outer surface of fixed axle (6) is inlayed and is equipped with retaining ring (9), retaining ring (9) are located one side that deep groove ball bearing (8) kept away from adjustment gasket (7), just the caulking groove with retaining ring (9) looks adaptation has been seted up to the outer surface of fixed axle (6).
4. The screw head wear test device of claim 1, wherein: the adjusting gaskets (7) and the pressure springs (5) are arranged on the outer surface of the fixed shaft (6), and the adjusting gaskets (7) are positioned between the pressure springs (5) and the deep groove ball bearings (8).
5. The screw head wear test device of claim 1, wherein: the fixed shaft (6) comprises a first shaft body (10) and a second shaft body (11), one side of the second shaft body (11) is fixedly connected with a positioning clamping block (12), one side of the first shaft body (10) close to the second shaft body (11) is provided with a positioning clamping groove, the positioning clamping block (12) is located inside the positioning clamping groove, the top of the first shaft body (10) is provided with a mounting groove body (13), and the inside of the mounting groove body (13) is provided with a clamping assembly.
6. The screw head wear test device of claim 5, wherein: the clamping assembly comprises a threaded abutting block (14) which is in threaded connection with the inside of a mounting groove body (13), a connecting rod (15) is abutted to the lower surface of the threaded abutting block (14), a movable plate (16) is fixedly connected to the outer surface of the connecting rod (15), a return spring (18) is fixedly connected to the upper surface of the movable plate (16), the other end of the return spring (18) is fixedly connected with the inner wall of the mounting groove body (13), a clamping block (17) is fixedly connected to the bottom of the connecting rod (15), and the clamping block (17) is clamped with the upper surface of a positioning clamping block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322050047.6U CN220455097U (en) | 2023-08-01 | 2023-08-01 | Screw head wear-resisting testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322050047.6U CN220455097U (en) | 2023-08-01 | 2023-08-01 | Screw head wear-resisting testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220455097U true CN220455097U (en) | 2024-02-06 |
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ID=89733146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322050047.6U Active CN220455097U (en) | 2023-08-01 | 2023-08-01 | Screw head wear-resisting testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220455097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118130299A (en) * | 2024-05-08 | 2024-06-04 | 天津星宇达新能源科技有限公司 | Metal pipe surface wear-resisting detection equipment |
-
2023
- 2023-08-01 CN CN202322050047.6U patent/CN220455097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118130299A (en) * | 2024-05-08 | 2024-06-04 | 天津星宇达新能源科技有限公司 | Metal pipe surface wear-resisting detection equipment |
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