CN210265696U

CN210265696U - Adjustable chain link

Info

Publication number: CN210265696U
Application number: CN201921210870.6U
Authority: CN
Inventors: 柯友枝
Original assignee: Quanzhou Zhongda Machinery Co ltd
Current assignee: Quanzhou Zhongda Machinery Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-07
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to the technical field of excavator equipment, an adjustable chain link, including the chain link body, the chain link body divide into interconnect's mounting and moving part, mounting one side is equipped with first mounting hole, mounting hole one side is equipped with a square groove, the square groove inboard is equipped with the track groove, be equipped with the connecting hole on the wall of track groove outside upper and lower both sides, be equipped with a plurality of first bolt hole on the track groove inside wall; a boss is arranged on one side of the movable piece, a second mounting hole is formed in the boss, a connecting portion is arranged on one side of the boss and can be inserted into the track groove to move transversely, and a plurality of second bolt holes are formed in the connecting portion; the fixing piece and the moving piece are installed on the first bolt hole and the second bolt hole through bolts and are fixedly connected. An object of the utility model is to provide an dig adjustable chain link, effectively solve the problem that current structure size is single, unable regulation length.

Description

Adjustable chain link

Technical Field

The utility model relates to an excavator equipment technical field, concretely relates to adjustable chain link.

Background

With the development of social economy, infrastructure construction is continuously invested, and an excavator is common construction equipment, and is usually required to be provided with various types and specifications in various construction environments.

A chain is one of the important components of an excavator to drive the excavator in forward or backward movement. The chain is combined by a plurality of chain links in series, the chain links mainly have two structural forms, one is integral, the other is spliced and combined by two unilateral chain links, the two structures have advantages and disadvantages, most of the chain links are produced by adopting a pouring forming process in the market, the structure is relatively rigid, the specification and the length are fixed, and the chain is mainly characterized in that the chain cannot be adjusted in length and is not flexible. The sizes of the driving wheels adopted by the excavators with different types and specifications are different, so that the specifications of the matched chain links are different, and when the chain links are required to be replaced due to the fact that the chain links have different specifications and lengths, corresponding chain links are required to be purchased from specific shops or manufacturers, and a large amount of time and labor cost are wasted.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an dig adjustable chain link effectively solves the problem that current structure size is single, unable adjustment length.

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

an adjustable chain link comprises a chain link body, wherein a mounting hole is formed in the chain link body, the chain link body is divided into a fixing piece and a moving piece which are connected with each other, the horizontal cross section of the fixing piece is of a Z-shaped structure, a first mounting hole is formed in one side of the fixing piece, a square groove is formed in one side of the mounting hole, one side, away from the first mounting hole, of the square groove is of an opening structure, a track groove is formed in the inner side of the square groove, the upper side and the lower side of the track groove are symmetrically arranged, connecting holes for mounting a fixed track plate are formed in the upper side wall and the lower side wall of the outer side of the; a boss is arranged on one side of the movable piece, a second mounting hole is formed in the boss, a connecting portion is arranged on one side of the boss, the connecting portion is of a flat plate structure, is matched with the track groove and can be inserted into the track groove to move transversely, and a plurality of second bolt holes are formed in the connecting portion; the fixing piece and the moving piece are installed on the first bolt hole and the second bolt hole through bolts and are fixedly connected.

Preferably, the first mounting hole is the same size as the second mounting hole.

Preferably, after the movable member is fixedly connected with the fixed member, the outer side surface of the boss is kept parallel to the rear side surface of the fixed member at the first mounting hole, and the outer side surface of the boss is located at the rear side of the rear side surface of the fixed member at the first mounting hole and has a gap.

Preferably, the arrangement of the first bolt holes is at least two rows and two columns, the number of the first bolt holes is not less than 4, and the first bolt holes are horizontally arranged at equal intervals in the transverse direction.

Preferably, the arrangement of the second bolt holes matches the arrangement of the first bolt holes.

Preferably, the bolt is further provided with a gasket, and the gasket is a check gasket.

Compared with the traditional structure, the utility model discloses carry out the innovative design on the structure basis of the unilateral chain link of tradition, fall into mounting and moving part with the chain link, both are fixed through track groove and bolted connection, change the relative veneer of traditional chain link structure, the relatively poor defect of matching nature, through the hookup location of adjustment moving part, can multiple size specification carry out length adjustment, and is nimble changeable, and application scope is wide, realizes the multi-purpose effect of a thing, helps reduce cost to a certain extent.

Drawings

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

FIG. 2 is an exploded view of the structure of the present invention;

the figure is marked with:

1-a fixed piece 11, a first mounting hole 12, a square groove 13, a rail groove 14, a connecting hole 15, a first bolt hole 2, a movable piece 21, a second mounting hole 22, a boss 23, a connecting part 24, a second threaded hole 3, a bolt 4 and a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is described in detail with reference to the accompanying drawings and embodiments:

referring to fig. 1 and 2, an adjustable chain link belongs to a single-side chain link structure, and comprises a chain link body, wherein the chain link body is provided with mounting holes for connecting chain links at two sides, the chain link body is divided into a fixed part 1 and a movable part 2 which are connected with each other, the horizontal cross section of the fixed part 1 is of a Z-shaped structure, one side of the fixing piece 1 is provided with a first mounting hole 11, the first mounting hole 11 is positioned at the front side of the Z shape, the outer contour of the first mounting hole 11 is a circular arc structure, one side of the mounting hole 22 is provided with a square groove 12, one side of the square groove 12, which is far away from the first mounting hole 11, is of an opening structure, a track groove 13 is arranged on the inner side of the square groove 12, the track groove 13 is arranged close to the rear side wall of the square groove 12, the track groove 13 is symmetrically arranged at the upper part and the lower part, a raised barrier strip parallel to the rear side wall of the square groove 12 is respectively arranged at the upper part and the lower part, and a track is formed between the barrier strip and the rear side wall of the square groove 12; the upper side wall and the lower side wall of the outer side of the track groove 13 are provided with connecting holes 14 for installing and fixing track shoes, and the number of the connecting holes 14 is at least two and the connecting holes are arranged in parallel; a plurality of first bolt holes 15 are formed in the inner side wall of the track groove 13.

The length of the moving part 2 has specification sizes with various lengths, a boss 22 is arranged on one side of the moving part, a second mounting hole 21 is arranged on the boss 22, the outer contour of the second mounting hole 21 is of an arc structure, a connecting part 23 is arranged on one side of the boss 22, the connecting part 23 is of a flat plate structure, is matched with the track groove 13 and can be inserted into the track groove 13 to transversely displace, and a plurality of second bolt holes 24 are arranged on the connecting part 23; the fixed member 1 and the movable member 2 are mounted on the first bolt hole 15 and the second bolt hole 24 through bolts 3 for connection and fixation.

Further, the first mounting hole 11 is the same as the second mounting hole 21 in size, and a pin shaft can be penetrated through when the links on the two sides are spliced.

Further, the moving part 2 with fixed part 1 is connected fixedly after, the lateral surface of boss 22 with the mounting 1 keeps the parallel state at the trailing flank of first mounting hole department 11, just the lateral surface of boss 22 is located the rear flank of mounting 1 at first mounting hole department and has the clearance, guarantees that a plurality of chain links can establish ties the concatenation.

Further, the arrangement of the first bolt holes 15 is at least two rows and two columns, the number of the first bolt holes 15 is not less than 4, and the first bolt holes 15 are horizontally arranged at equal intervals in the transverse direction.

Further, the arrangement of the second bolt holes 24 matches the arrangement of the first bolt holes 15.

Further, the bolt 3 is also provided with a gasket 4, and the gasket is a check gasket.

The working principle is as follows: in the actual use process, the connecting portion 23 of the movable element 2 is inserted into the rail groove 13 from the open end of the square groove 12, the positions of the first bolt hole 15 and the second bolt hole 24 are aligned by adjusting the transverse position, and the bolt 3 and the gasket 4 are installed to connect and fix the fixed element 1 and the movable element 2. By adopting the structural design, the problem that the traditional chain link structure is single-plate relatively can be effectively solved, the limitation of one object for use is broken, the length can be adjusted in multiple sizes by adjusting the connecting position of the moving part 2, the structure is flexible and changeable, the application range is wide, the effect of one object for multiple purposes is realized, and the cost is reduced to a certain extent.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an adjustable chain link, includes the chain link body, is equipped with the mounting hole on the chain link body, its characterized in that: the chain link body is divided into a fixed part and a movable part which are connected with each other, the horizontal cross section of the fixed part is of a Z-shaped structure, a first mounting hole is formed in one side of the fixed part, a square groove is formed in one side of the mounting hole, the side, away from the first mounting hole, of the square groove is of an open structure, a track groove is formed in the inner side of the square groove, the track groove is symmetrically formed in the upper direction and the lower direction, connecting holes for mounting and fixing a track plate are formed in the upper side wall and the lower side wall of the outer side of the track groove, and a plurality; a boss is arranged on one side of the movable piece, a second mounting hole is formed in the boss, a connecting portion is arranged on one side of the boss, the connecting portion is of a flat plate structure, is matched with the track groove and can be inserted into the track groove to move transversely, and a plurality of second bolt holes are formed in the connecting portion; the fixing piece and the moving piece are installed on the first bolt hole and the second bolt hole through bolts and are fixedly connected.

2. An adjustable link as claimed in claim 1, wherein: the first mounting hole is consistent with the second mounting hole in size.

3. An adjustable link as claimed in claim 1, wherein: after the movable piece is fixedly connected with the fixed piece, the outer side face of the boss and the rear side face of the fixed piece at the first mounting hole are kept in a parallel state, and the outer side face of the boss is located at the rear side of the rear side face of the fixed piece at the first mounting hole and a gap exists.

4. An adjustable link as claimed in claim 1, wherein: two row at least of arranging of first bolt hole are listed as, and 4 are no less than in quantity, just first bolt hole equidistance horizontal arrangement on horizontal.

5. An adjustable link as claimed in claim 1 or 4, wherein: the arrangement of the second bolt holes matches the arrangement of the first bolt holes.

6. An adjustable link as claimed in claim 1, wherein: the bolt is also provided with a gasket, and the gasket is a check gasket.