CN201945501U - General clamping mechanism for mechanical test of bolts/nuts - Google Patents
General clamping mechanism for mechanical test of bolts/nuts Download PDFInfo
- Publication number
- CN201945501U CN201945501U CN2010206424832U CN201020642483U CN201945501U CN 201945501 U CN201945501 U CN 201945501U CN 2010206424832 U CN2010206424832 U CN 2010206424832U CN 201020642483 U CN201020642483 U CN 201020642483U CN 201945501 U CN201945501 U CN 201945501U
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- bolt
- nut
- transition
- mechanical test
- clamping device
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Abstract
The utility model provides a general clamping mechanism for a mechanical test of bolts/nuts. The general clamping mechanism comprises an upper chuck, a lower chuck, a bolt washer, a connecting piece for bolt transition, a nut washer and a connecting piece for nut transition, wherein the bolt washer or the nut washer is arranged on the inner end face of a groove opening of the upper chuck for the general clamping mechanism; the lower end of the upper chuck is connected with the upper end of connecting piece for bolt transition or the upper end of the connecting piece for nut transition; and the lower end of the connecting piece for bolt transition or the lower end of the connecting piece for nut transition is connected with the upper end of the lower chuck. The bolt or nut to be tested is connected with the lower chuck through the connecting piece for bolt transition or the connecting piece for nut transition and is then clamped to the inner end face of the groove opening of the upper chuck; and a universal material testing machine can implement the mechanical test of the bolts or nuts by clamping the upper clamping end of the upper chuck and the lower clamping end of the lower chuck. The general clamping mechanism has strong generality, duality and lower test cost, and is suitable for the mechanical tests of bolt/nut fasteners.
Description
Technical field
The utility model belongs to the measuring mechanical property technical field, particularly a kind of general clamping device of mechanical test that is used for bolt/nut.
Background technology
The nut that the measuring mechanical property field relates to guarantees the clamping device that load test, bolt tension force load test, bolt wedge load test all need design experiment to use.And these clamping devices system is according to the structural design of the clamping jaw of the diameter of screw of bolt/nut and testing equipment, the threaded fastener of each specification needs the complete mechanism of one cover of design separately, its upper grip of designed mechanism adopts steel pipe manufacturing usually, the step that is provided with in the steel pipe is used to place bolt or nut, after it used once, steel pipe was yielding because of bearing huge clamping force; Its lower chuck adopts rod iron to make usually, and an end of rod iron is processed into threaded hole, is used for the web member of tackbolt or nut test usefulness, and kill because of substantial load easily causes the screw thread distortion test back.
The clamping device of this class formation in sum, need to give the bolt/nut of different diameter of screw to be equipped with the clamping device that a whole set of tests usefulness, its versatility is poor, and use the yielding damage in back and scrap, not durable in use, when chance was carried out mechanical test to the high strength threaded fastener, its weak point was particularly outstanding.
Summary of the invention
The purpose of this utility model, be the problems that the combination mechanical test clamping device that is used for bolt/nut in sum exists, a kind of highly versatile, durable in use that has is provided, is particularly useful for the general clamping device of mechanical test of high-intensity bolt/nut.
The mechanical test clamping device of bolt/nut of the present utility model is made of with web member with web member, nut collar, nut transition upper grip, lower chuck, bolt washer, bolt transition.Upper grip, lower chuck, bolt transition adopt high-strength material to make with web member, nut transition with web member.
The notch inner face of upper grip is provided with bolt washer, and the lower end of upper grip is connected with the upper end of bolt transition with web member, and the bolt transition is connected with the upper end of lower chuck with the lower end of web member, and the setting of this clamping device is applicable to the mechanical test to bolt.
The notch inner face of upper grip is provided with nut collar, and the lower end of upper grip is connected with the upper end of nut transition with web member, and the nut transition is connected with the upper end of lower chuck with the lower end of web member, and the setting of this clamping device is applicable to the mechanical test to nut.
The general clamping device of the mechanical test of bolt/nut of the present utility model, the clamping jaw of its upper grip, lower chuck and universal testing machine is complementary, be suitable for the mechanical test of the bolt/nut securing member of all size, its highly versatile, make because of adopting high-strength material, bearing load is big, and is durable in use.
Description of drawings
Fig. 1 is the structural representation of the general clamping device of mechanical test of bolt of the present utility model;
Fig. 2 is the structural representation of the general clamping device of mechanical test of nut of the present utility model;
Fig. 3 is the structural representation of the general clamping device user mode of mechanical test of bolt of the present utility model;
Fig. 4 is the structural representation of the general clamping device user mode of mechanical test of nut of the present utility model.
Embodiment
Below in conjunction with above-mentioned accompanying drawing example, the general clamping device of mechanical test of bolt/nut of the present utility model is done further narration.
The example of the general clamping device of mechanical test of bolt/nut of the present utility model includes upper grip 1, bolt washer 2, bolt transition piece 3, lower chuck 4, nut collar 5, nut transition piece 6, bolt to be measured 10, nut to be measured 11.
The general clamping device of the mechanical test of bolt/nut of the present utility model is made of with web member 6 with web member 3, nut collar 5, nut transition upper grip 1, lower chuck 4, bolt washer 2, bolt transition.
The general clamping device of mechanical test that is used for bolt, last bare terminal end 7 on its upper grip 1 is complementary with the clamping jaw of universal testing machine, the notch inner face 8 of upper grip 1 is provided with bolt washer 2, the lower end of upper grip 1 is connected with the upper end of bolt transition with web member 3, the bolt transition is connected with the upper end of lower chuck 4 with the lower end of web member 3, and the following bare terminal end 9 on the lower chuck 4 is complementary with the clamping jaw of universal testing machine.
The general clamping device of mechanical test that is used for nut, last bare terminal end 7 on its upper grip 1 is complementary with the clamping jaw of universal testing machine, the notch inner face 8 of upper grip 1 is provided with nut collar 5, the lower end of upper grip 1 is connected with the upper end of nut transition with web member 6, the nut transition is connected with the upper end of lower chuck 4 with the lower end of web member 6, and the following bare terminal end 9 on the lower chuck 4 is complementary with the clamping jaw of universal testing machine.
The general clamping device of the mechanical test of bolt/nut of the present utility model, its upper grip 1, lower chuck 4, bolt transition adopt high-strength materials such as 40NCDV7.03 or 40CrNi2Mo to make with web member 3, nut transition with web member 6, so durable in use.Upper grip 1, lower chuck 4 are general parts that the clamping jaw with universal testing machine is complementary, and it both had been applicable to the mechanical test of carrying out bolt on universal testing machine, was applicable to the mechanical test of carrying out nut on universal testing machine again.
When the general clamping device of the mechanical test of bolt of the present utility model detects bolt, the last bare terminal end 7 of upper grip 1 and the following bare terminal end 9 of lower chuck 4 are clamped on the universal testing machine, be threaded onto bolt transition piece 3 after again bolt 10 to be measured being passed bolt washer 2, then bolt is threaded onto lower chuck 4 with transition piece 3, again bolt washer 2 is stuck on the notch inner face 8 of upper grip 1, can carries out mechanical test toward the reinforcing of P direction to bolt 10 to be measured by universal testing machine.
When the general clamping device of the mechanical test of nut of the present utility model detects nut, the last bare terminal end 7 of upper grip 1 and the following bare terminal end 9 of lower chuck 4 are clamped on the universal testing machine, again nut collar 5 and nut 11 to be measured are loaded on nut with on the transition piece 6, then nut is threaded onto lower chuck 4 with transition piece 6, again nut collar 5 is stuck on the notch inner face 8 of upper grip 1, can carries out mechanical test toward the reinforcing of P direction to nut 11 to be measured by universal testing machine.
Claims (3)
1. the general clamping device of the mechanical test of a bolt/nut includes the general clamping device of mechanical test of bolt and the general clamping device of mechanical test of nut, it is characterized in that:
The general clamping device of the mechanical test of a, described bolt, the notch inner face (8) of its upper grip (1) is provided with bolt washer (2), the lower end of upper grip (1) is connected with the upper end of bolt transition with web member (3), the bolt transition is connected with the upper end of lower chuck (4) with the lower end of web member (3)
The general clamping device of the mechanical test of b, described nut, the notch inner face (8) of its upper grip (1) is provided with nut collar (5), the lower end of upper grip (1) is connected with the upper end of nut transition with web member (6), and the nut transition is connected with the upper end of lower chuck (4) with the lower end of web member (6).
2. the general clamping device of the mechanical test of bolt according to claim 1 is characterized in that upper grip (1), lower chuck (4), bolt transition adopt high-strength material to make with web member (3).
3. the general clamping device of the mechanical test of nut according to claim 1 is characterized in that upper grip (1), lower chuck (4), nut transition adopt high-strength material to make with web member (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206424832U CN201945501U (en) | 2010-11-28 | 2010-11-28 | General clamping mechanism for mechanical test of bolts/nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206424832U CN201945501U (en) | 2010-11-28 | 2010-11-28 | General clamping mechanism for mechanical test of bolts/nuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201945501U true CN201945501U (en) | 2011-08-24 |
Family
ID=44472839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206424832U Expired - Fee Related CN201945501U (en) | 2010-11-28 | 2010-11-28 | General clamping mechanism for mechanical test of bolts/nuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201945501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012345A (en) * | 2010-11-28 | 2011-04-13 | 贵州航天新力铸锻有限责任公司 | Universal clamping mechanism for bolt/nut mechanical test |
| CN103091161A (en) * | 2013-01-08 | 2013-05-08 | 常州华厦建设工程质量检测有限公司 | Tensile strength test clamp of automatic positioning screw |
| CN103852374A (en) * | 2013-09-07 | 2014-06-11 | 贵州航天新力铸锻有限责任公司 | Universal clamping mechanism with protective cover for bolt/nut mechanical test |
-
2010
- 2010-11-28 CN CN2010206424832U patent/CN201945501U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012345A (en) * | 2010-11-28 | 2011-04-13 | 贵州航天新力铸锻有限责任公司 | Universal clamping mechanism for bolt/nut mechanical test |
| CN103091161A (en) * | 2013-01-08 | 2013-05-08 | 常州华厦建设工程质量检测有限公司 | Tensile strength test clamp of automatic positioning screw |
| CN103091161B (en) * | 2013-01-08 | 2016-06-08 | 常州华厦建设工程质量检测有限公司 | Automatic dog screw tensile strength test clamp |
| CN103852374A (en) * | 2013-09-07 | 2014-06-11 | 贵州航天新力铸锻有限责任公司 | Universal clamping mechanism with protective cover for bolt/nut mechanical test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |