CN215201571U

CN215201571U - Bolt drawing force testing and fixing device

Info

Publication number: CN215201571U
Application number: CN202120341742.6U
Authority: CN
Inventors: 代启宏; 陈齐嵘; 单二胜
Original assignee: Jiangsu Ruizhong Rail Transportation Equipment Co ltd
Current assignee: Jiangsu Ruizhong Rail Transportation Equipment Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-17
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a bolt drawing force test fixing device. A bolt drawing force test fixing device comprises a base, a lower connecting piece, a fixed connecting piece and an upper fixing piece; the lower connecting piece is detachably connected with the base, and the fixed connecting piece is detachably connected with the lower connecting piece; the upper fixing piece can slide up and down; a first T-shaped groove is formed in the lower connecting piece; the bottom of the fixed connecting piece is provided with a sliding plate which is connected with the fixed part through a connecting column; the sizes of the sliding plate and the connecting column are matched with the size of the T-shaped groove; and a second T-shaped groove is formed in the fixed connecting piece above the connecting column and used for fixing the bolt to be detected. The utility model discloses with the second T type inslot of bolt card on fixed connection spare, put into first T type inslot with the slide of fixed connection spare bottom again. The fixed connecting piece is pushed into the center of the lower connecting piece, the upper fixing piece is moved downwards, and the drawing force of the bolt can be tested. The utility model discloses the installation is dismantled conveniently, and stability is high.

Description

Bolt drawing force testing and fixing device

Technical Field

The utility model relates to a bolt drawing force test fixing device.

Background

The bolt is used as a connecting piece and applied to various building structures, and plays a role in connection. The bolt needs to withstand a certain tensile force. The quality of the bolt is critical, so the strength detection of the effectiveness of the bolt becomes a necessary condition. The tensile testing machine is used as important testing equipment for mechanical stress application for mechanical property tests of stretching, compressing, bending, shearing, peeling and the like on metal and non-metal materials. Current standard configurations for tensile testers typically include an upper chuck and a lower chuck. The chuck is convenient to use for testing smooth cylindrical workpieces, but is not suitable for testing the tensile force of the bolt, particularly for fixing the end cap end of the bolt. Therefore, a special fixture is needed to be developed to facilitate the testing of the tensile force of the bolt.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at solving the not enough among the prior art, provide an installation and dismantle conveniently, stability is high, is convenient for carry out the bolt drawing force test fixing device who tests to the pulling force of bolt.

The technical scheme is as follows: the utility model relates to a bolt drawing force testing and fixing device, which comprises a base, a lower connecting piece, a fixed connecting piece and an upper fixing piece; the lower connecting piece is detachably connected with the base, and the fixed connecting piece is detachably connected with the lower connecting piece; the upper fixing piece can slide up and down; a first T-shaped groove is formed in the lower connecting piece; the bottom of the fixed connecting piece is provided with a sliding plate which is connected with the fixed part through a connecting column; the sizes of the sliding plate and the connecting column are matched with the first T-shaped groove; and a second T-shaped groove is formed in the fixed connecting piece above the connecting column and used for fixing the bolt to be detected.

The utility model discloses a further improvement lies in, slide, spliced pole, second T type groove are integrated into one piece structure.

The utility model discloses a further improvement lies in, and lower connecting piece passes through bolt and base fixed connection.

The utility model discloses a further improvement lies in, goes up mounting and fixed bolster sliding connection.

The utility model discloses a further improvement lies in, and the fixed bolster is taken photograph in the top of base, and the both sides of connecting piece are located down to the fixed bolster, and the mounting can reciprocate along the fixed bolster.

The utility model discloses a further improvement lies in, the mounting includes the diaphragm of top to and the cylindrical compression leg of diaphragm bottom, the slider at diaphragm both ends and the slide rail phase-match of fixed bolster. The sliding blocks at the two ends of the transverse plate are connected with the push rod of the cylinder.

Compared with the prior art, the utility model provides a pair of bolt drawing force test fixing device has realized following beneficial effect at least:

the utility model discloses with the second T type groove 304 of bolt card on fixed connector 3 in, put into first T type groove 201 with the slide 301 of fixed connector 3 bottom again. The fixed connecting piece 3 is pushed into the center of the lower connecting piece 2, and the upper fixing piece 4 is moved downwards, so that the drawing force of the bolt can be tested. The utility model discloses the installation is dismantled conveniently, and stability is high.

Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

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

fig. 2 is a top view of the lower connecting member 2 of the present invention;

fig. 3 is a top view of the fixing connector 3 of the present invention.

Wherein, 1-a base; 2-lower connecting piece; 201-T type groove; 3-fixing the connecting piece; 301-a slide plate; 302-connecting column; 303-a fixed part; 304-a second T-shaped groove; 4-upper fixing piece.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1, a bolt pull force test fixing device includes a base 1, a lower connecting member 2, a fixed connecting member 3, and an upper fixing member 4; the lower connecting piece 2 is detachably connected with the base 1, and the fixed connecting piece 3 is detachably connected with the lower connecting piece 2; the upper fixing piece 4 can slide up and down;

a first T-shaped groove 201 is arranged on the lower connecting piece 2; the bottom of the fixed connecting piece 3 is provided with a sliding plate 301, and the sliding plate 301 is connected with a fixed part 303 through a connecting column 302; the sizes of the sliding plate 301 and the connecting column 302 are matched with the first T-shaped groove 201; a second T-shaped groove 304 is formed in the fixed connecting part 3 above the connecting column 302, and the second T-shaped groove 304 is used for fixing a bolt to be detected.

Based on the above embodiment, when in use, the bolt is firstly clamped in the second T-shaped groove 304 of the fixed connecting member 3, and then the sliding plate 301 at the bottom of the fixed connecting member 3 is placed in the first T-shaped groove 201. The fixed connecting piece 3 is pushed into the center of the lower connecting piece 2, the upper fixing piece 4 is moved downwards, the bolt is fixed through the upper fixing piece, and the drawing force of the bolt can be tested.

To further explain the present embodiment, it should be noted that the sliding plate 301, the connecting column 302 and the second T-shaped groove 304 are integrally formed. In this embodiment, adopt the fixed connector 3 of integrated into one piece structure, stability is good, and the reliability is high.

To further explain the present embodiment, it should be noted that the lower connecting member 2 is fixedly connected to the base 1 by bolts. In this embodiment, the lower connecting piece 2 and the base 1 are fixedly connected through the bolt, and the installation and the disassembly are convenient.

To further explain the present embodiment, it should be noted that the upper fixing member 4 is slidably connected with the fixing bracket. The top of base 1 is located to the fixed bolster, and the both sides of connecting piece 2 are located down to the fixed bolster, and mounting 4 can reciprocate along the fixed bolster. The fixing part 4 comprises a transverse plate above and a chuck at the bottom of the transverse plate, and sliding blocks at two ends of the transverse plate are matched with sliding rails of the fixing support. In this embodiment, specifically, a horizontal transverse plate is disposed above the upper fixing member 4, two ends of the horizontal transverse plate are fixedly connected with the sliding block, and the sliding block can move up and down in the guide rails of the gantry supports on two sides. The slider at diaphragm both ends is connected with the push rod of cylinder in this embodiment. In this embodiment, the brand and model of the cartridge are not limited.

According to the above embodiment, the utility model provides a pair of bolt drawing force test fixing device has realized following beneficial effect at least:

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a bolt pullout force test fixing device which characterized in that: comprises a base (1), a lower connecting piece (2), a fixed connecting piece (3) and an upper fixing piece (4); the lower connecting piece (2) is detachably connected with the base (1), and the fixed connecting piece (3) is detachably connected with the lower connecting piece (2); the upper fixing piece (4) can slide up and down;

a first T-shaped groove (201) is formed in the lower connecting piece (2); the bottom of the fixed connecting piece (3) is provided with a sliding plate (301), and the sliding plate (301) is connected with the fixed part (303) through a connecting column (302); the sizes of the sliding plate (301) and the connecting column (302) are matched with the first T-shaped groove (201);

and a second T-shaped groove (304) is formed in the fixed connecting piece (3) above the connecting column (302), and the second T-shaped groove (304) is used for fixing the bolt to be detected.

2. The bolt drawing force testing fixing device according to claim 1, characterized in that: the sliding plate (301), the connecting column (302) and the second T-shaped groove (304) are of an integrally formed structure.

3. The bolt drawing force testing fixing device according to claim 1, characterized in that: the lower connecting piece (2) is fixedly connected with the base (1) through a bolt.

4. The bolt drawing force testing fixing device according to claim 1, characterized in that: the upper fixing piece (4) is connected with the fixing support in a sliding mode.

5. The bolt drawing force testing fixing device according to claim 4, characterized in that: the fixed bolster is shot in the top of base (1), the both sides of connecting piece (2) are located down to the fixed bolster, mounting (4) can reciprocate along the fixed bolster.

6. The bolt drawing force testing fixing device according to claim 5, characterized in that: the fixing part (4) comprises a transverse plate above and a cylindrical pressing column at the bottom of the transverse plate, and sliding blocks at two ends of the transverse plate are matched with sliding rails of the fixing support.