CN217759326U

CN217759326U - Easy-to-replace prestressed high-strength bolt assembly

Info

Publication number: CN217759326U
Application number: CN202221879285.7U
Authority: CN
Inventors: 王亮
Original assignee: Shandong Ruibiao Machinery Co ltd
Current assignee: Shandong Ruibiao Machinery Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-08
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a prestressing force high strength bolt sub-assembly of be liable to change, including running through a plurality of mounting grooves and a plurality of logical groove of seting up in two mounting panels upper ends, it is a plurality of mounting groove and a plurality of logical groove one-to-one, every the inner wall of mounting groove all is fixed with annular connecting block, the inside of annular connecting block is provided with the internal thread, the inner wall of annular connecting block rotates and is connected with high strength bolt, high strength bolt's circumferential direction lateral wall rotates and is connected with the nut. In this device, through setting up spacing connecting device, can realize pairing of spacing post and draw-in groove in the limiting plate installation to can utilize the annular connecting block to realize the stable connection of two mounting panels, combine the limiting plate to the spacing of the vertical direction of mounting panel, can make and offset the partial tensile stress that the load leads to between two mounting panels, thereby can reduce the high strength bolt and prestretch, and then can make the life of high strength bolt longer.

Description

Easy-to-replace prestressed high-strength bolt assembly

Technical Field

The utility model relates to a bolt sub-assembly technical field especially relates to a prestressing force high strength bolt sub-assembly of easily changing.

Background

The high-strength bolt is a high-strength bolt, belongs to a standard part, and generally has a larger bearable load than a common bolt with the same specification; the traditional high-strength bolt assembly is mostly connected with a steel structure only through the high-strength bolt in use, and after the high-strength bolt assembly is used for a long time, the high-strength bolt is easy to deform and damage, so that the service life of the high-strength bolt assembly is greatly reduced, and therefore the prestress high-strength bolt assembly which is long in service life and easy to replace needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming of short service life in the prior art and providing an easy-to-replace prestressed high-strength bolt assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an easy-to-change prestressing force bolt sub-assembly that excels in, is including running through a plurality of mounting grooves and a plurality of logical groove of seting up in two mounting panels upper ends, and is a plurality of mounting groove and a plurality of logical groove one-to-one, every the inner wall of mounting groove all is fixed with the annular connecting block, the inside of annular connecting block is provided with the internal thread, the inner wall of annular connecting block rotates and is connected with the bolt that excels in, the circumference lateral wall of bolt that excels in rotates and is connected with the nut, one of them the inside of mounting panel is connected with the annular connecting block through a plurality of spacing connecting device.

Preferably, the upper end of mounting panel offsets and has a limiting plate, and is a plurality of the limiting plate is all run through to the high strength bolt, every the circumference lateral wall of high strength bolt all is equipped with two gaskets.

Preferably, one of the gaskets abuts against the bottom of the mounting plate, and the other gasket abuts against the upper end of the limiting plate.

Preferably, the limiting and connecting device comprises a horizontal cavity arranged inside the mounting plate, the inner wall of the horizontal cavity is connected with a moving block in a sliding mode, and the side wall of the moving block is connected with the inner wall of the horizontal cavity through a plurality of springs.

Preferably, the side wall of the moving block is fixed with a limiting column, the end of the limiting column penetrates into the through groove, the circumferential side wall of the annular connecting block is provided with a clamping groove, and the limiting column is connected with the clamping groove.

Preferably, the inner wall of the horizontal cavity is connected with a push block in a sliding mode, the moving block is a trapezoidal block, the push block abuts against the inclined end face of the moving block, a vertical rod is fixed to the upper end of the push block, and the upper end of the vertical rod penetrates through the upper portion of the mounting plate and abuts against the bottom of the limiting plate.

Compared with the prior art, the utility model has the advantages of:

1. in the device, the limiting connecting device is arranged, so that the matching of the limiting column and the clamping groove can be realized in the mounting process of the limiting plate, the stable connection of the two mounting plates can be realized by utilizing the annular connecting block, and the partial tensile stress caused by the load between the two mounting plates can be offset by combining the limiting of the limiting plate to the vertical direction of the mounting plates, so that the pretensioning of the high-strength bolt can be reduced, and the service life of the high-strength bolt can be longer;

2. in this device, utilize the annular connecting block to realize the temporary connection of two mounting panels, can make things convenient for two mounting panels to realize the complete change of a plurality of high strength bolts under the stable connection state, need not to align the installation again, reducible labour consumes to can make things convenient for the change of high strength bolt to use.

Drawings

Fig. 1 is a schematic structural view of an easily replaceable prestressed high-strength bolt assembly according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a front view of a high-strength bolt portion in an easily replaceable prestressed high-strength bolt assembly according to the present invention.

In the figure: the device comprises a mounting plate 1, a mounting groove 2, a through groove 3, an annular connecting block 4, an internal thread 5, a high-strength bolt 6, a nut 7, a limiting plate 8, a gasket 9, a horizontal cavity 10, a moving block 11, a spring 12, a limiting column 13, a clamping groove 14, a push block 15 and a vertical rod 16.

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.

Referring to fig. 1-3, an easy-to-replace prestressed high-strength bolt assembly comprises a plurality of mounting grooves 2 and a plurality of through grooves 3 which are arranged at the upper ends of two mounting plates 1 in a penetrating manner, the mounting plates 1 are respectively fixed on steel structures to be connected, the mounting grooves 2 correspond to the through grooves 3 one by one, an annular connecting block 4 is fixed on the inner wall of each mounting groove 2, internal threads 5 are arranged inside the annular connecting block 4, the inner wall of the annular connecting block 4 is rotatably connected with a high-strength bolt 6, the circumferential side wall of the high-strength bolt 6 is rotatably connected with a nut 7, and the inside of one mounting plate 1 is connected with the annular connecting block 4 through a plurality of limiting connecting devices; the upper end of the mounting plate 1 abuts against a limiting plate 8, a plurality of high-strength bolts 6 penetrate through the limiting plate 8, and two gaskets 9 are sleeved on the circumferential side wall of each high-strength bolt 6; one of the gaskets 9 is abutted against the bottom of the mounting plate 1, the other gasket 9 is abutted against the upper end of the limiting plate 8, and the connected components are pressed to generate static friction force to transfer shearing force by utilizing the pretension of the high-strength bolt 6.

The limiting and connecting device comprises a horizontal cavity 10 arranged in the mounting plate 1, the inner wall of the horizontal cavity 10 is connected with a moving block 11 in a sliding mode, and the side wall of the moving block 11 is connected with the inner wall of the horizontal cavity 10 through a plurality of springs 12; a limiting column 13 is fixed on the side wall of the moving block 11, the end part of the limiting column 13 penetrates into the through groove 3, a clamping groove 14 is formed in the circumferential side wall of the annular connecting block 4, and the limiting column 13 is connected with the clamping groove 14; the inner wall sliding connection of horizontal cavity 10 has ejector pad 15, movable block 11 is the trapezoidal piece, ejector pad 15 offsets with the inclined end face of movable block 11, the upper end of ejector pad 15 is fixed with vertical pole 16, the upper end of vertical pole 16 runs through to the top of mounting panel 1 and offsets with limiting plate 8 bottom, through setting up spacing connecting device, can realize the stable connection of two mounting panels 1 in the mounting process of limiting plate 8, combine limiting plate 8 to the spacing of 1 vertical direction of mounting panel, can make and offset the partial tensile stress that the load leads to between two mounting panels 1, thereby can reduce high strength bolt 6 and prestretch, avoid high strength bolt 6's damage, and then can make high strength bolt 6's life longer, and utilize annular connecting block 4 can realize the temporary connection of two mounting panels 1, need not the installation of realigning of mounting panel 1, reducible labour consumes, thereby can make things convenient for high strength bolt 6's change to use.

The utility model discloses in, in the installation process is carried out to the steel construction to high strength bolt 6, through aiming at annular connecting block 4 and the position that leads to groove 3, thereby can realize the quick location contact of two steel construction mounting panels 1, at this moment, overlap on high strength bolt 6 and establish a gasket 9 after with high strength bolt 6 and rotate high strength bolt 6 to annular connecting block 4 inside, make high strength bolt 6 realize the screw-thread fastening with the internal thread 5 of annular connecting block 4 inside, then pass limiting plate 8 behind high strength bolt 6, utilize another gasket 9 and nut 7, realize spacing to the limiting plate 8 upper end, make limiting plate 8 and top mounting panel 1 offset closely, thereby can utilize high strength bolt 6 under the stable state to realize the stable connection of two steel construction mounting panels 1, and utilize the limiting plate 8 that is thick and have certain weight, can offset the partial tensile stress that the load leads to between two steel construction mounting panels 1, avoid structural damage;

and place at limiting plate 8 in the tip in-process of top mounting panel 1, can promote vertical pole 16 to remove, thereby can promote ejector pad 15 to remove downwards, under ejector pad 15 promotes, can realize that the movable block 11 that is the trapezoidal piece slides along horizontal cavity 10 bottom, thereby can realize that spacing post 13 passes logical groove 3 inner wall and gets into inside draw-in groove 14, thereby can realize the stable connection to annular connecting block 4 and top mounting panel 1, can realize the compression of spring 12 simultaneously, and usable annular connecting block 4 realizes two steel construction mounting panel 1 stable connection, can effectively reduce the damage that causes high strength bolt 6 when prestressing force is too big, thereby can make high strength bolt 6's life longer, simultaneously, the temporary connection of two mounting panel 1 of usable annular connecting block 4, make things convenient for the change of high strength bolt 6 under the state of mounting panel 1 stable connection, need not to install it again after a plurality of high strength bolts 6 dismantlements, can make things convenient for the change use of high strength bolt 6.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an easy replacement's prestressing force high strength bolt sub-assembly, is including running through a plurality of mounting groove (2) and a plurality of logical groove (3) of seting up in two mounting panel (1) upper ends, its characterized in that, and is a plurality of mounting groove (2) and a plurality of logical groove (3) one-to-one, every the inner wall of mounting groove (2) all is fixed with annular connecting block (4), the inside of annular connecting block (4) is provided with internal thread (5), the inner wall of annular connecting block (4) rotates and is connected with high strength bolt (6), the circumference lateral wall of high strength bolt (6) rotates and is connected with nut (7), one of them the inside of mounting panel (1) is connected with annular connecting block (4) through a plurality of limit connection device.

2. An easily replaceable prestressed high-strength bolt assembly according to claim 1, characterized in that the upper end of the mounting plate (1) abuts against a limiting plate (8), a plurality of high-strength bolts (6) all penetrate through the limiting plate (8), and the circumferential side wall of each high-strength bolt (6) is sleeved with two gaskets (9).

3. An easily replaceable prestressed high-strength bolt assembly according to claim 2, characterized in that one of said washers (9) abuts against the bottom of the mounting plate (1) and the other washer (9) abuts against the upper end of the limiting plate (8).

4. The easy-to-replace prestressed high-strength bolt assembly according to claim 1, wherein said limiting connection means comprises a horizontal cavity (10) opened inside the mounting plate (1), the inner wall of said horizontal cavity (10) is slidably connected with a moving block (11), the side wall of said moving block (11) is connected with the inner wall of the horizontal cavity (10) through a plurality of springs (12).

5. The easy-to-replace prestressed high-strength bolt assembly according to claim 4, wherein a limiting column (13) is fixed to a side wall of the moving block (11), an end portion of the limiting column (13) penetrates into the through groove (3), a clamping groove (14) is formed in a circumferential side wall of the annular connecting block (4), and the limiting column (13) is connected with the clamping groove (14).

6. The easy-to-replace prestressed high-strength bolt assembly according to claim 5, characterized in that an inner wall of the horizontal cavity (10) is slidably connected with a push block (15), the moving block (11) is a trapezoidal block, the push block (15) abuts against an inclined end face of the moving block (11), a vertical rod (16) is fixed at the upper end of the push block (15), and the upper end of the vertical rod (16) penetrates through the upper portion of the mounting plate (1) and abuts against the bottom of the limiting plate (8).