CN215296952U

CN215296952U - Clamp for testing tensile strength of high-lock bolt

Info

Publication number: CN215296952U
Application number: CN202121361213.9U
Authority: CN
Inventors: 杨亚雄; 袁兵兵; 胡圣豪
Original assignee: Shanghai Ruoshun Testing Technology Co ltd
Current assignee: Shanghai Ruoshun Testing Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-24
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses an anchor clamps for testing high lock bolt tensile strength relates to mechanical properties and detects technical field, including installing first anchor clamps and the second anchor clamps on testing machine hydraulic head, first thread groove and second thread groove have been seted up respectively to the one end that first anchor clamps and second anchor clamps are close to mutually, are equipped with first dead lever and second dead lever in first thread groove and the second thread groove respectively. The utility model discloses in, will let first anchor clamps and first dead lever and second anchor clamps and second dead lever integrate together, and adopt threaded connection's mode, make first anchor clamps be connected with first dead lever, the second anchor clamps are connected with the second dead lever, when changing high-lock bolt like this, only need to twist off the second dead lever earlier, then, reuse screwdriver with high-lock bolt from the activity inslot take out can, convenient operation, and is simple, can improve efficiency of software testing, and simultaneously, the processing material of anchor clamps has been saved to this kind of configuration, thereby the cost is saved.

Description

Clamp for testing tensile strength of high-lock bolt

Technical Field

The utility model relates to a mechanical properties detects technical field, in particular to anchor clamps for testing high lock bolt tensile strength.

Background

In the process of carrying out high-locking bolt tensile test, because the bolt size is less, can't directly centre gripping carries out tensile loading on mechanical testing machine, to traditional anchor clamps, its structure is comparatively complicated, upper and lower anchor clamps adopt 4 spliced poles respectively to couple together the end of fixed plate and anchor clamps, test high-locking bolt through the tip configuration of anchor clamps, the installation is complicated, the component part is relatively more, it is relatively more time-consuming to test, the material is wasted, increased the test cost, in view of this, we provide an anchor clamps for testing high-locking bolt tensile strength.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a clamp for testing the tensile strength of a high-lock bolt, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an anchor clamps for testing high lock bolt tensile strength, is including installing first anchor clamps and the second anchor clamps on testing machine hydraulic pressure aircraft nose, first thread groove and second thread groove have been seted up respectively to first anchor clamps with the one end that second anchor clamps are close to mutually, first thread groove with be equipped with first dead lever and second dead lever in the second thread groove respectively, first dead lever is close to the one end set screw hole of second dead lever, the second dead lever is kept away from the activity groove has been seted up to the one end of screw hole, the one end in activity groove set up with the through-hole that the screw hole is linked together, be equipped with high lock bolt in the activity inslot, just the one end of high lock bolt is passed the through-hole extends to in the screw hole.

Preferably, the first clamp and the second clamp are on the same horizontal plane, the first fixing rod is in threaded connection with the first thread groove, and the second fixing rod is in threaded connection with the second thread groove.

Preferably, the ends of the first fixing rod, which are close to the second fixing rod, are both in a polygonal structure.

Preferably, the diameter of the movable groove is larger than the diameter of the head of the high-locking bolt, and the high-locking bolt is connected with the movable groove in a sliding mode.

Preferably, the threaded hole is equal to the through hole and the screw of the high-locking bolt in cross-sectional dimension, the screw of the high-locking bolt is rotatably connected with the through hole, and the high-locking bolt is in threaded connection with the threaded hole.

To sum up, the utility model discloses a technological effect and advantage:

the utility model discloses in, reform transform the spliced pole configuration of traditional frock, will let first anchor clamps and first dead lever and second anchor clamps and second dead lever integrate together, and adopt threaded connection's mode, make first anchor clamps be connected with first dead lever, second anchor clamps are connected with the second dead lever, like this when changing high-lock bolt, only need to twist off the second dead lever earlier, then, reuse screwdriver with high-lock bolt from the activity inslot take out can, its convenient operation, it is simple, can improve efficiency of software testing, meanwhile, the processing material of anchor clamps has been saved to this kind of configuration, thereby the cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the detailed internal structure of the first and second clamps of the present invention;

fig. 3 is a schematic diagram of the detailed internal structure of the first fixing rod and the second fixing rod of the present invention;

fig. 4 is a schematic view of the sectioning structure of the first fixing rod and the second fixing rod of the present invention.

In the figure: 1. a first clamp; 11. a first thread groove; 2. a second clamp; 21. a second thread groove; 3. a first fixing lever; 31. a threaded hole; 4. a second fixing bar; 41. a movable groove; 42. a through hole; 5. high lock bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, a clamp for testing tensile strength of a high-lock bolt includes a first clamp 1 and a second clamp 2 mounted on a hydraulic head of a testing machine, a first thread groove 11 and a second thread groove 21 are respectively formed at one end of the first clamp 1 close to the second clamp 2, a first fixing rod 3 and a second fixing rod 4 are respectively arranged in the first thread groove 11 and the second thread groove 21, a threaded hole 31 is formed at one end of the first fixing rod 3 close to the second fixing rod 4, a movable groove 41 is formed at one end of the second fixing rod 4 far from the threaded hole 31, a through hole 42 communicated with the threaded hole 31 is formed at one end of the movable groove 41, a high-lock bolt 5 is arranged in the movable groove 41, and one end of the high-lock bolt 5 penetrates through the through hole 42 and extends into the threaded hole 31.

In this embodiment, the first fixture 1 and the second fixture 2 are on the same horizontal plane, which prevents the first fixture 1 and the second fixture 2 from being dislocated, and the high-locking bolt 5 is bent and cannot be detected, the first fixing rod 3 is in threaded connection with the first thread groove 11, so as to ensure that the first fixing rod 3 can be fixed in the first thread groove 11, and further ensure that the first fixing rod 3 can be taken out from the first thread groove 11, the second fixing rod 4 is in threaded connection with the second thread groove 21, so as to ensure that the second fixing rod 4 can be fixed in the second thread groove 21, and further ensure that the second fixing rod 4 can be taken out from the second thread groove 21, thereby facilitating the replacement of the high-locking bolt 5.

In this embodiment, the ends of the first fixing rod 3 close to the second fixing rod 4 are both polygonal, which facilitates people to rotate the first fixing rod 3 in the first thread groove 11 and the second fixing rod 4 in the second thread groove 21.

In this embodiment, the diameter of the movable groove 41 is larger than the diameter of the head of the high-locking bolt 5, and the high-locking bolt 5 is slidably connected with the movable groove 41, so that people can place the high-locking bolt 5 into the movable groove 41, and the high-locking bolt 5 can move in the movable groove 41.

In this embodiment, the cross-sectional dimensions of the threaded hole 31 and the through hole 42 and the screw of the high-lock bolt 5 are equal, the screw of the high-lock bolt 5 is rotatably connected to the through hole 42, the high-lock bolt 5 is in threaded connection with the threaded hole 31, the screw of the high-lock bolt 5 can be ensured to pass through the through hole 42 and be fixed in the threaded hole 31, and the tensile strength of the high-lock bolt 5 can be tested by the whole device.

This practical theory of operation: the high-locking bolt 5 is placed in the movable groove 41, the screw rod of the high-locking bolt 5 penetrates through the through hole 42 and rotates to enter the threaded hole 31 in the first fixing rod 3, then, one end of the second fixing rod 4 rotates to enter the second threaded groove 21 in the second fixture 2, one end of the first fixing rod 3 rotates to enter the first threaded groove 11 in the first fixture 1, and the first fixture 1 and the first fixing rod 3 as well as the second fixture 2 and the second fixing rod 4 are fixed together through threads, so that the high-locking bolt 5 and the testing machine are matched together to perform tensile testing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides an anchor clamps for testing high lock bolt tensile strength, includes first anchor clamps (1) and second anchor clamps (2) of installing on testing machine hydraulic head, its characterized in that: first anchor clamps (1) with the one end that second anchor clamps (2) are close to has seted up first thread groove (11) and second thread groove (21) respectively, first thread groove (11) with be equipped with first dead lever (3) and second dead lever (4) in second thread groove (21) respectively, first dead lever (3) are close to the one end of second dead lever (4) seted up screw hole (31), second dead lever (4) are kept away from the one end of screw hole (31) has seted up movable groove (41), the one end of movable groove (41) seted up with through-hole (42) that screw hole (31) are linked together, be equipped with high-lock bolt (5) in movable groove (41), just the one end of high-lock bolt (5) is passed through-hole (42) and is extended to in screw hole (31).

2. The clamp for testing the tensile strength of the high-lock bolt according to claim 1, wherein: the first clamp (1) and the second clamp (2) are on the same horizontal plane, the first fixing rod (3) is in threaded connection with the first thread groove (11), and the second fixing rod (4) is in threaded connection with the second thread groove (21).

3. The clamp for testing the tensile strength of the high-lock bolt according to claim 1, wherein: one ends of the first fixing rods (3) and the second fixing rods (4) close to each other are both in a polygonal structure.

4. The clamp for testing the tensile strength of the high-lock bolt according to claim 1, wherein: the diameter of the movable groove (41) is larger than the diameter of the head of the high locking bolt (5), and the high locking bolt (5) is connected with the movable groove (41) in a sliding mode.

5. The clamp for testing the tensile strength of the high-lock bolt according to claim 1, wherein: the threaded hole (31) with through-hole (42) and the cross sectional dimension of the screw rod of high-locking bolt (5) equals, the screw rod of high-locking bolt (5) with through-hole (42) rotate to be connected, high-locking bolt (5) with threaded hole (31) threaded connection.