CN202599750U - Series bolt hydrogen embrittlement test fixture - Google Patents
Series bolt hydrogen embrittlement test fixture Download PDFInfo
- Publication number
- CN202599750U CN202599750U CN 201220086615 CN201220086615U CN202599750U CN 202599750 U CN202599750 U CN 202599750U CN 201220086615 CN201220086615 CN 201220086615 CN 201220086615 U CN201220086615 U CN 201220086615U CN 202599750 U CN202599750 U CN 202599750U
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- anchor clamps
- hole
- test
- fixture
- bolt
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Abstract
A series bolt hydrogen embrittlement test fixture comprises a first fixture, a second fixture, a third fixture, a fourth fixture and a fifth fixture, wherein the first fixture and the second fixture are ring-shaped pieces with through-holes; the second fixture is provided with a threaded through-hole in the center; a cylindrical slot is formed on one side of the third fixture, the diameter of the cylindrical slot is larger than that the cap of a test bolt, an inner screw thread are formed at the upper part of the inner surface of the cylindrical slot, and the bottom of the cylindrical slot is provided with a through-hole; the fourth fixture is bolt-shaped, a threaded hole is formed on the upper surface of the cap of the fourth fixture; the rod of the first test bolt penetrates the through-hole of the first fixture and is in threaded connection with one end of the threaded through-hole of the second fixture; the rod of a second test bolt penetrates the through-hole at the bottom of the cylindrical and is in threaded connection with the other end of the threaded through-hole of the second fixture; the rod of the fourth fixture is in threaded connection with the third fixture; the rod of a third test bolt penetrates the through-hole in the center of the fifth fixture and is in threaded connection with the cap of the fourth fixture.
Description
Technical field
The utility model relates to a kind of detection anchor clamps, relates in particular to a kind of tandem bolt hydrogen embrittlement test anchor clamps.
Background technology
12 corner bolt standard components of M6, M8, three kinds of specifications of M10 not only need be done pulling force characteristic test and fatigue property test, also need carry out the hydrogen embrittlement performance test.Prior art is single 12 corner bolts to be installed in carry out hydrogen brittleness on the tension grip and can test, and its weak point is that an equipment can only be accomplished 1 sample testing in 48 hours, and accomplishing 1 test mission (3) needs 144 hours.
The utility model content
The technical matters that the utility model will solve: design a kind of tension grip that can once accomplish 1 test mission (3).
The technical scheme of the utility model: a kind of tandem bolt hydrogen embrittlement test anchor clamps; Comprise first anchor clamps (1), second anchor clamps (2), the 3rd anchor clamps (3), the 4th anchor clamps (4), the 5th anchor clamps (5); Said first anchor clamps (1) and the 5th anchor clamps (5) have the annular element of through hole for the center, and the size of said through hole is adaptive with the screw rod of test bolt, and there is the tapped through hole of perforation at said second anchor clamps (2) center; The two ends of the tapped through hole of said second anchor clamps (2) are adaptive with the screw rod of test bolt respectively; Said the 3rd anchor clamps (3) one sides have cylindrical groove, and the diameter of said cylindrical groove is greater than the nut diameter of test bolt, and said cylindrical groove inside surface top is provided with internal thread; Through hole is arranged at said cylindrical groove bottom; The clear size of opening of said cylindrical groove bottom is adaptive with the screw rod of test bolt, and said the 4th anchor clamps (4) are bolt shape, and the screw rod external thread of said the 4th anchor clamps (4) and the 3rd anchor clamps (3) cylindrical groove inside surface upper internal threaded are adaptive; The nut upper surface of said the 4th anchor clamps (4) has threaded hole, and said threaded hole is adaptive with the screw rod of test bolt;
Wherein, The screw rod of the first test bolt passes the through hole at first anchor clamps (1) center, is spirally connected with an end of the tapped through hole of second anchor clamps (2), and the screw rod of the second test bolt passes the through hole of the 3rd anchor clamps (3) cylindrical groove bottom; Be spirally connected with the other end of the tapped through hole of second anchor clamps (2); The cylindrical groove of the screw rod of the 4th anchor clamps (4) and the 3rd anchor clamps (3) is spirally connected, and the screw rod of the 3rd test bolt passes the through hole at the 5th anchor clamps (5) center, is spirally connected with the threaded hole of the nut of the 4th anchor clamps (4).
The beneficial effect of the utility model: compared with prior art, 3 tests of the tandem bolt hydrogen embrittlement test anchor clamps of the utility model clamping simultaneously bolt, 1 test mission of the disposable completion of ability has shortened test period greatly.This test fixture can accurately be accomplished 1 task (3) in 48 hours, only spend 1/3rd of the old type test fixture working time, had improved test efficiency greatly, had bigger using value.
Description of drawings
Fig. 1 is the planar structure synoptic diagram of a kind of preferred version of the utility model.
Embodiment
Tandem bolt hydrogen embrittlement test anchor clamps as shown in Figure 1, that the utility model provides are used at hydrogen embrittlement test clamping test bolt; Comprise first anchor clamps (1), second anchor clamps (2), the 3rd anchor clamps (3), the 4th anchor clamps (4), the 5th anchor clamps (5), said first anchor clamps (1) and the 5th anchor clamps (5) have the annular element of through hole for the center, and through-hole inner surface is smooth; The size of said through hole is adaptive with the screw rod of test bolt, and there is the tapped through hole of perforation at said second anchor clamps (2) center, and the internal thread of the tapped through hole of said second anchor clamps (2) is adaptive with the screw rod of test bolt respectively; The screw rod of two test bolts is inserted from the two ends of the tapped through hole of second anchor clamps (2) respectively and be spirally connected with said tapped through hole; Said the 3rd anchor clamps (3) one sides have cylindrical groove, and the diameter of said cylindrical groove is greater than the nut diameter of test bolt, and said cylindrical groove inside surface top is provided with internal thread; Through hole is arranged at said cylindrical groove bottom; This through-hole inner surface is smooth, and the clear size of opening of said cylindrical groove bottom is adaptive with the screw rod of test bolt, can make the screw rod of testing bolt pass the through hole of said cylindrical groove bottom; And the nut of this test bolt is stuck in the cylindrical groove bottom; Said the 4th anchor clamps (4) are bolt shape, and the screw rod external thread of said the 4th anchor clamps (4) and the 3rd anchor clamps (3) cylindrical groove inside surface upper internal threaded are adaptive, and the two can be spirally connected; The nut upper surface of said the 4th anchor clamps (4) has threaded hole, and said threaded hole is adaptive with the screw rod of test bolt;
During test; The screw rod of the first test bolt (testpieces 1) passes the through hole at first anchor clamps (1) center, is spirally connected with an end of the tapped through hole of second anchor clamps (2), and the screw rod of the second test bolt (testpieces 2) passes the through hole of the 3rd anchor clamps (3) cylindrical groove bottom; Be spirally connected with the other end of the tapped through hole of second anchor clamps (2); The cylindrical groove of the screw rod of the 4th anchor clamps (4) and the 3rd anchor clamps (3) is spirally connected, and the screw rod of the 3rd test bolt (testpieces 3) passes the through hole at the 5th anchor clamps (5) center, is spirally connected with threaded hole on the nut of the 4th anchor clamps (4); Outer with first anchor clamps (1) and the 5th anchor clamps (5) is connected to respectively on the testing tool then, carries out tension test.
Provide a specific embodiment below, equally with reference to figure 1:
First anchor clamps (1) and the 5th anchor clamps (5): the processing specification can be φ 7, φ 9, φ 11 at the blank center, and thickness is the annular element of 15mm, and the built-up jig that the bolt testpieces is housed is connected with the upper and lower chuck of testing machine.
Second anchor clamps (2): the processing of blank center connects threaded hole M6 * 1.5, M8 * 1.5, M10 * 1.5.
The 3rd anchor clamps (3): blank one end punching aperture can be φ 7, φ 9, φ 11, and hole depth is 15mm.The blank other end is beaten the screw of M24 * 1.5.
The 4th anchor clamps (4): blank one end is made into M24 * 1.5, and length is the threaded rod of 20mm.It is M6 * 1.5, M8 * 1.5, M10 * 1.5 that the other end is processed specification respectively, the threaded hole of dark 20mm.
Above the utility model test fixture all adopts the 30CrMnSiA steel to make.
During test; 3 bolt testpieces through first anchor clamps (1), the 5th anchor clamps (5), with after second anchor clamps (2), the 3rd anchor clamps (3), the 4th anchor clamps (4) are connected, are installed on the testing equipment respectively; Be loaded on required hydrogen embrittlement test load then, in the time of just tester can being begun.
During test,,, just can begin test with first, second, third and fourth, after five anchor clamps connect with 3 bolt testpieces respectively successively according to Fig. 1 method.
These anchor clamps have not only improved the reliability and the accuracy of test, and have shortened test period greatly, have improved work efficiency, and cost is also very low, has bigger using value.
In addition, according to actual needs, the material trademark of the utility model test fixture can have certain change, generally uses the higher-strength steel all can.
Claims (1)
1. tandem bolt hydrogen embrittlement test anchor clamps; It is characterized in that comprise first anchor clamps (1), second anchor clamps (2), the 3rd anchor clamps (3), the 4th anchor clamps (4), the 5th anchor clamps (5), said first anchor clamps (1) and the 5th anchor clamps (5) have the annular element of through hole for the center; The size of said through hole is adaptive with the screw rod of test bolt; There is the tapped through hole of perforation at said second anchor clamps (2) center, and the two ends of the tapped through hole of said second anchor clamps (2) are adaptive with the screw rod of test bolt respectively, and said the 3rd anchor clamps (3) one sides have cylindrical groove; The diameter of said cylindrical groove is greater than the nut diameter of test bolt; Said cylindrical groove inside surface top is provided with internal thread, and through hole is arranged at said cylindrical groove bottom, and the clear size of opening of said cylindrical groove bottom is adaptive with the screw rod of test bolt; Said the 4th anchor clamps (4) are bolt shape; The screw rod external thread of said the 4th anchor clamps (4) and the 3rd anchor clamps (3) cylindrical groove inside surface upper internal threaded are adaptive, and the nut upper surface of said the 4th anchor clamps (4) has threaded hole, and said threaded hole is adaptive with the screw rod of test bolt;
Wherein, The screw rod of the first test bolt passes the through hole at first anchor clamps (1) center, is spirally connected with an end of the tapped through hole of second anchor clamps (2), and the screw rod of the second test bolt passes the through hole of the 3rd anchor clamps (3) cylindrical groove bottom; Be spirally connected with the other end of the tapped through hole of second anchor clamps (2); The cylindrical groove of the screw rod of the 4th anchor clamps (4) and the 3rd anchor clamps (3) is spirally connected, and the screw rod of the 3rd test bolt passes the through hole at the 5th anchor clamps (5) center, is spirally connected with the threaded hole of the nut of the 4th anchor clamps (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220086615 CN202599750U (en) | 2012-03-09 | 2012-03-09 | Series bolt hydrogen embrittlement test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220086615 CN202599750U (en) | 2012-03-09 | 2012-03-09 | Series bolt hydrogen embrittlement test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599750U true CN202599750U (en) | 2012-12-12 |
Family
ID=47317279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220086615 Expired - Lifetime CN202599750U (en) | 2012-03-09 | 2012-03-09 | Series bolt hydrogen embrittlement test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202599750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047079A (en) * | 2021-12-24 | 2022-02-15 | 西北工业大学 | Alloy structural component testing device and method |
-
2012
- 2012-03-09 CN CN 201220086615 patent/CN202599750U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047079A (en) * | 2021-12-24 | 2022-02-15 | 西北工业大学 | Alloy structural component testing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |