CN219673066U

CN219673066U - Locking bolt coupling assembling that moves

Info

Publication number: CN219673066U
Application number: CN202321284167.6U
Authority: CN
Inventors: 刘伟明
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-09-12
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the technical field of bolt connection, and particularly discloses a locking bolt connection assembly, which comprises a bolt, at least two groups of connecting pieces, a limiting piece and a nut, wherein the head of the bolt is fixedly connected with a limiting lug, the connecting pieces are detachably connected to a connecting part of the bolt, limiting grooves are formed in one end of the connecting pieces far away from each other, the limiting pieces are detachably connected to the free ends of the connecting pieces and are matched and clamped with the connecting pieces, the nut is used for fastening the bolt, the connecting pieces are fixedly connected to a standard section of a tower crane, the limiting lug which can be clamped with the limiting grooves is also arranged on the limiting piece, a first functional piece for preventing the nut from loosening is arranged on the outer diameters of the limiting piece and the nut, the limiting piece is fixedly connected with the nut, and the nut is prevented from loosening. The utility model solves the problem that the screw thread part of the bolt rotates under the vibration of the existing bolt connecting assembly for a long time, so that the nut and the bolt are loosened, and the connecting stability of the standard section of the tower crane is affected.

Description

Locking bolt coupling assembling that moves

Technical Field

The utility model relates to the technical field of bolt connection, and particularly discloses a locking bolt connection assembly.

Background

The tower crane is the most commonly used hoisting equipment on the building site and is used for hoisting raw materials for construction such as steel bars, wood ribs, concrete, steel pipes and the like for construction. The tower body of the tower crane is usually formed by constructing a plurality of standard knots, and bolts and nuts are usually used for constructing the standard knots.

The bolt is a mechanical part, is a cylindrical fastener with threads, is a fastener consisting of a head part and a connecting part, and needs to be matched with a nut to fasten the part, so that an object is clamped between the head part of the bolt and the nut, and the object can be prevented from being separated. But the tower crane can produce vibrations when carrying out work, and under long-time vibrations, the nut probably rotates along bolted connection portion, causes nut and bolt to become flexible, and then influences the stability of connection, causes the nut to drop even.

Accordingly, the inventors have provided a locking bolt connection assembly in order to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the problem that the screw thread part of a bolt rotates under the vibration of the existing bolt assembly for a long time, so that the nut and the bolt are loosened, and the connection stability is affected.

In order to achieve the above purpose, the basic scheme of the utility model provides a locking bolt connecting assembly, which comprises a bolt, at least two groups of connecting pieces, a limiting piece and a nut, wherein the fixing head of the bolt is provided with a limiting lug, the connecting pieces are sleeved on the threaded part of the bolt, the limiting piece is detachably connected to the free end of the connecting piece and is matched and clamped with the connecting piece, the nut is used for fastening the bolt, the connecting pieces are fixedly connected to a standard section of a tower crane, limiting grooves are formed in the connecting pieces, limiting lugs which can be clamped with the limiting grooves are also formed in the limiting pieces, and a first functional piece for fixing the limiting piece and the nut is arranged on the outer diameters of the limiting piece and the nut.

The principle and effect of this basic scheme lie in:

1. according to the utility model, the limiting convex blocks are arranged on the fixed head parts of the bolts, the connecting piece is fixed on the standard section of the tower crane, and the limiting grooves are arranged at one ends of the connecting piece, so that the limiting convex blocks of the fixed head parts of the bolts are completely clamped with the limiting grooves of the connecting piece, and further the effect of preventing the bolts from rotating is achieved;

2. the limiting convex block of the limiting piece is completely clamped with the limiting groove of the connecting piece, so that the limiting effect is achieved;

3. the screw nut is screwed into the threaded part of the bolt and is screwed down, so that the effect of bolt connection is achieved;

4. through aligning the outer edge of the nut and the limiting piece, the locking piece is sleeved on the outer diameters of the limiting piece and the nut, so that the limiting piece and the nut are effectively fixed together, and further the effect of preventing the nut from loosening is achieved.

5. According to the utility model, the limiting piece and the nut are effectively fixed together through the first functional piece, so that the effect of preventing the nut and the bolt from loosening is achieved, and the problem that the existing bolt connecting assembly causes the bolt to rotate due to vibration, so that the nut and the bolt loosen, and the connection stability is affected is solved.

Further, the first functional piece is a locking piece. The locking piece effectively fixes the limiting piece and the nut together, and looseness of the nut is prevented.

Further, the locking member has an inner diameter of the same shape as an outer diameter of the nut. The inner diameter of the cross section of the locking piece is the same as the outer diameter of the cross section of the nut, so that the locking piece is convenient to install.

Further, the locking member cross-sectional inner diameter is the same size as the nut cross-sectional outer diameter. The size of the inner diameter of the cross section of the locking piece is the same as the size of the outer diameter of the cross section of the nut, so that the locking piece can be tightly combined with the nut, and the loosening of the nut is effectively prevented.

Further, the cross-sectional shape of the stopper is the same as that of the nut. The cross section shape of the limiting piece is the same as that of the nut, so that the locking piece can be sleeved into the nut and the limiting piece at the same time, and the limiting piece and the nut are connected together. The inner diameter of the limiting piece is not provided with threads, the limiting piece can be directly sleeved into the screw rod, and the limiting protruding blocks can be completely clamped with the limiting grooves on the connecting piece.

Further, the outer diameter of the cross section of the limiting piece is the same as the outer diameter of the cross section of the nut. The outer diameter of the cross section of the limiting piece is the same as that of the cross section of the nut, so that the locking piece can effectively fix the limiting piece and the nut together, and the nut loosening is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a locking bolt connection assembly according to an embodiment of the present utility model;

FIG. 2 shows an exploded view of a check bolt connection assembly according to an embodiment of the present utility model;

fig. 3 shows an installation schematic of a locking bolt connection assembly according to an embodiment of the present utility model.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: bolt 1, spacing lug 2, connecting piece 3, spacing recess 4, locating part 5, nut 6, locking piece 7, standard festival 8.

An anti-loosening bolt connection assembly, the embodiments of which are shown in fig. 1, 2 and 3: the bolt 1 is formed by combining a head and a connecting part, the head of the bolt 1 is in a regular hexagon shape, two mutually symmetrical limiting protruding blocks 2 are fixed on the end face of the head of the bolt 1, which is close to one end of the connecting piece 3, and can be completely clamped into the limiting groove 4, and the connecting part of the bolt 1 can be inserted into the connecting piece 3.

The connecting piece 3 is symmetrically fixed and welded on the standard section 8 of the tower crane, the section of the connecting piece 3 is circular, the inside of the connecting piece 3 is a hollow through hole, the connecting part of the bolt 1 can be ensured to pass through the hollow part, one end, far away from each other, of the two connecting pieces 3 is provided with a limiting groove 4, the cross section shape and the size of the limiting groove 4 are the same as those of the limiting lug 2, and the clamping of the limiting groove 4 and the limiting lug 2 is used for preventing the situation that the bolt 1 is driven to rotate due to vibration of the tower crane after the bolt 1 is fixed.

The connecting piece 3 cooperation joint that is located one side of keeping away from bolt 1 head has locating part 5, also symmetrical fixed welding has spacing lug 2 on the locating part 5, can with the spacing recess 4 block on the connecting piece 3 through spacing lug 2 on the locating part 5, prevent that locating part 5 is rotatory, simultaneously locating part 5 plays the fastening effect to the connecting portion of bolt 1, nut 6 is installed to the other end of locating part 5, nut 6 can play the effect of fastening to the screw rod, simultaneously after screwing up nut 6 rotatory, owing to spacing lug 2 on the bolt 1 has the rotatory effect of restriction in spacing recess 4, and then prevent bolt 1 after nut 6 is screwed up, owing to bolt 1 head rotation, and produce the condition of becoming flexible. The shape of the nut 6 and the limiting piece 5 are regular hexagons, and the inner diameter and the outer diameter are the same, so that the nut 6 and the limiting piece 5 can be more tightly attached together, and meanwhile, the penetrating connecting part of the bolt 1 is more tightly connected with the nut 6 and the limiting piece 5.

The first functional piece is installed to the junction of locating part 5 and nut 6, and first functional piece is locking piece 7, and the shape of locking piece 7 is the same with the shape of nut 6, is regular hexagon, and the internal diameter of locking piece 7 does not have the screw thread, and the size of locking piece 7 internal diameter is the same with the size of nut 6 external diameter, overlaps locking piece 7 in the outside of nut 6 and locating part 5, fixes locating part 5 and nut 6 together through locking piece 7, prevents that bolt 1 subassembly from becoming flexible.

The application process of the utility model is as follows: firstly, aligning the holes of two bolts 1 of a connecting piece 3 fixed on a standard joint, secondly, enabling the connecting part of the bolts 1 to pass through a hollow through hole of the connecting piece 3, embedding a limit lug 2 at the head of the bolts 1 into a limit groove 4 on the connecting piece 3, thirdly, embedding a limit lug 2 of a limit piece 5 into a limit groove 4 of the connecting piece 3 at the other end to enable the connecting piece 3 to be clamped and fixed with the limit piece 5, and fourthly, screwing a nut 6 into the connecting part of the bolts 1, screwing the nut 6, and aligning the nut 6 with the limit piece 5; if the nut is not aligned with the limiting piece 5 during screwing, the position of the nut 6 can be adjusted by using a gasket to enable the nut to be screwed and aligned, the locking piece 7 is sleeved on the outer sides of the nut 6 and the limiting piece 5, and the nut 6 and the limiting piece 5 are fixed together through the locking piece 7. The utility model solves the problem that the nut 6 can rotate along the bolt connecting part under the long-time vibration of the existing bolt 1 assembly, so that the nut 6 and the bolt 1 are loosened, and the stability of connection is affected.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. An anti-loosening bolt connection assembly, characterized in that: including fixed head be equipped with spacing lug's bolt, at least two sets of connecting piece, the detachable connection on the screw thread portion of bolt just with the locating part of connecting piece cooperation joint and be used for fastening bolt's nut, the equal rigid coupling of connecting piece is on tower crane standard festival, all be equipped with spacing recess on the connecting piece, also be equipped with the spacing lug that can with spacing recess block on the locating part, be equipped with on the external diameter of locating part and nut and be used for carrying out fixed first function piece with locating part and nut.

2. The anti-loosening bolt connection assembly of claim 1, wherein the first functional member is a locking member.

3. A lockbolt connection assembly as claimed in claim 2, wherein the locking member cross-section has an inner diameter of the same shape as the outer diameter of the nut cross-section.

4. A lockbolt connection assembly according to any of claims 2 or 3, wherein the locking member cross-section has an inner diameter of the same size as the outer diameter of the nut cross-section.

5. The anti-loosening bolt connection assembly of claim 1, wherein the cross-sectional shape of the limiter is the same as the cross-sectional shape of the nut.

6. The anti-loosening bolt connection assembly of claim 5, wherein the stop member cross-section has an inner diameter that is the same as an inner diameter of the nut cross-section.

7. The anti-loosening bolt connection assembly of claim 5, wherein the stop member cross-section has an outer diameter that is the same as an outer diameter of the nut cross-section.