CN211922762U

CN211922762U - Quick-change connector for excavator connecting frame

Info

Publication number: CN211922762U
Application number: CN201922266885.0U
Authority: CN
Inventors: 罗文雅; 张仰身; 孙敏
Original assignee: Jining Dingchen Machinery Co ltd
Current assignee: Jining Dingchen Machinery Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-11-13
Anticipated expiration: 2029-12-17

Abstract

The utility model provides an excavator link quick change coupler, including the body, be provided with the recess on the body, the recess internal rotation is connected with the threaded rod, and the one end of threaded rod runs through the inner wall and the fixedly connected with commentaries on classics piece of recess, and two cardboards have been cup jointed to the screw thread on the threaded rod, and two intraoral screw threads of cardboard screw are opposite settings, the equal fixedly connected with fixture block in one side that two cardboards are relative. This kind of excavator link quick change coupler, can be connected between the horn of body and excavator through the connector on the connecting block on the body, the accessible rotates the turning block and drives the threaded rod and takes place to rotate, the threaded rod will drive the cardboard removal of installing on, can make the fixture block firmly block go into the hydraulic pressure and cut, in the connecting axle of quartering hammer or scraper bowl through set up the fixture block on the cardboard, and easy operation, easy dismounting, and setting through many joint fixed knot construct can effectually realize fixedly, and stability is better.

Description

Quick-change connector for excavator connecting frame

Technical Field

The utility model relates to an excavator system field especially relates to an excavator link quick change coupler.

Background

An excavator is an earth moving machine which excavates materials higher or lower than a bearing surface by using a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard. The excavated materials mainly comprise soil, coal, silt, soil after pre-loosening and rock. In recent years, the development of construction machines is relatively fast, and the excavator becomes one of the most important types of construction machines in construction. One end of a quick-change connector of the excavator is connected with the front end of an arm of the excavator, the other end of the quick-change connector of the excavator is connected with the bucket, and the quick change among the bucket, the scarifier, the breaking hammer, the hydraulic shear and the like can be realized, so that the application range of the excavator is enlarged, the replacement operation time can be saved, and the work efficiency is improved.

But the quick-change connector of the existing excavator connecting frame has the disadvantages of complex structure, complex operation process, low efficiency of replacement operation and certain defect.

Therefore, it is necessary to provide a quick-change coupler for an excavator connecting frame to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an excavator link quick change coupler has solved current excavator link quick change coupler, and the structure is complicated, and operation process is loaded down with trivial details, changes the inefficiency problem of operation.

For solving the technical problem, the utility model provides a pair of excavator link quick change coupler, which comprises a body, be provided with the recess on the body, the recess internal rotation is connected with the threaded rod, the one end of threaded rod runs through the inner wall and the fixedly connected with commentaries on classics piece of recess, two cardboard, two have been cup jointed to the screw thread on the threaded rod the intraoral screw thread of cardboard screw is opposite setting, two the equal fixedly connected with fixture block in one side that the cardboard is relative.

Preferably, the surface of the two clamping plates is fixedly connected with a supporting block, a second threaded rod is inserted into the supporting block in a threaded manner, one end of the second threaded rod is rotatably connected with a clamping plate, and one end of the second threaded rod, far away from the clamping plate, is fixedly connected with a knob.

Preferably, the groove is internally and fixedly connected with a limiting rod, and the two clamping plates are sleeved on the limiting rod in a sliding manner.

Preferably, the rotating block is provided with a clamping rod in a sliding and inserting mode, the outer wall of the body is provided with a plurality of clamping grooves corresponding to the clamping rod, and one end, close to the body, of the clamping rod is fixedly sleeved with a limiting sleeve.

Preferably, one side of the body is fixedly connected with two symmetrically arranged connecting blocks, and the connecting blocks are provided with connecting ports.

Preferably, one side fixedly connected with buffer board that the second threaded rod was kept away from to splint, the buffer board material is rubber.

Preferably, the clamping rod is sleeved with a spring, and two ends of the spring are respectively and fixedly connected with the limiting sleeve and the rotating block.

Compared with the prior art, the utility model provides a pair of excavator link quick change coupler has following beneficial effect:

(1) this kind of excavator link quick change coupler can be connected between the horn of body and excavator through the connector on the body connecting block, and the accessible rotates the piece and drives the threaded rod and takes place to rotate, and the threaded rod will drive the cardboard removal of installing on.

(2) This kind of excavator link quick change coupler can make the fixture block firmly block in the connecting axle of hydraulic pressure scissors, quartering hammer or scraper bowl through set up the fixture block on the cardboard, and the second threaded rod on the supporting shoe also can rotate simultaneously and drive splint and carry out the centre gripping fixedly to the connecting axle.

(3) This kind of excavator link quick change coupler, easy operation, easy dismounting, and setting through many places joint fixed knot construct can effectually realize fixedly, and stability is better.

Drawings

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

FIG. 2 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a structure at B of fig. 1 according to the present invention.

Reference numbers in the figures: 1. the body, 2, recess, 3, threaded rod, 4, commentaries on classics piece, 5, cardboard, 6, fixture block, 7, supporting shoe, 8, second threaded rod, 9, splint, 10, knob, 11, gag lever post, 12, kelly, 13, stop collar, 14, connecting block, 15, connector, 16, buffer board, 17, spring.

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.

Please refer to fig. 1, fig. 2, and fig. 3, wherein fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of the structure at A of FIG. 1 according to the present invention; fig. 3 is an enlarged view of a structure at B of fig. 1 according to the present invention. The utility model provides an excavator link quick change coupler, which comprises a body 1, be provided with recess 2 on the

body

1, 2 internal rotations in the recess are connected with threaded rod 3, the one end of threaded rod 3 runs through the inner wall and the fixedly connected with commentaries on classics piece 4 of recess 2, threaded rod 3 is gone up the screw thread and has been cup jointed two cardboard 5, the intraoral screw thread of two cardboard 5 screws is opposite setting, the equal fixedly connected with fixture block 6 in one side that two cardboard 5 are relative, specific saying, change 4 drive threaded rod 3 emergence rotations of piece, threaded rod 3 will drive the cardboard 5 removal of installing on, can make fixture block 6 firmly block go into the hydraulic pressure through setting up fixture block 6 on cardboard 5 and cut, in the connecting axle of quartering.

The fixed surface of two cardboard 5 is connected with supporting shoe 7, and the screw thread is pegged graft on supporting shoe 7 and is had second threaded rod 8, and the one end of second threaded rod 8 is rotated and is connected with splint 9, and splint 9's one end fixedly connected with knob 10 is kept away from to second threaded rod 8, and specific saying, second threaded rod 8 on supporting shoe 7 also can rotate and drive splint 9 and carry out the centre gripping fixedly to the connecting axle.

Fixedly connected with gag lever post 11 in the recess 2, two cardboard 5 all slide to cup joint on gag lever post 11, and specific saying, increase cardboard 5 mobility stability.

The sliding insertion of the rotating block 4 is provided with a clamping rod 12, the outer wall of the body 1 is provided with a plurality of clamping grooves corresponding to the clamping rod 12, one end of the clamping rod 12, which is close to the body 1, is fixedly sleeved with a limiting sleeve 13, and specifically, the clamping rod 12 is clamped into the clamping grooves in the body to fix the rotating block 4.

Two connecting blocks 14 that one side fixedly connected with symmetry of body 1 set up all are provided with connector 15 on two connecting blocks 14, and specific saying, be convenient for install body 1.

One side fixedly connected with buffer board 16 that splint 9 kept away from second threaded rod 8, buffer board 16 material are rubber, and specific saying, increase the cushion effect.

The clamping rod 12 is sleeved with a spring 17, and two ends of the spring 17 are respectively fixedly connected with the limiting sleeve 13 and the rotating block 4, so that the automatic rebounding is facilitated.

The utility model provides a pair of excavator link quick change coupler's theory of operation as follows:

during operation or use, at first the user can be connected between the horn of body 1 and excavator through connector 15 on the body 1 on connecting block 14, the accessible rotates commentaries on classics piece 4 and drives threaded rod 3 and takes place to rotate after changing, threaded rod 3 will drive cardboard 5 removal installed on, can make fixture block 6 firmly block into the hydraulic pressure through set up fixture block 6 on cardboard 5 and cut, in the connecting axle of quartering hammer or scraper bowl, second threaded rod 8 on supporting shoe 7 also can rotate simultaneously and drive splint 9 and carry out the centre gripping fixedly to the connecting axle.

(1) this kind of excavator link quick change coupler can be connected between the horn of body 1 and excavator through connector 15 on the body 1 last connecting block 14, and the accessible rotates commentaries on classics piece 4 and drives threaded rod 3 and takes place to rotate, and threaded rod 3 will drive cardboard 5 removal of installing on.

(2) This kind of excavator link quick change coupler can make fixture block 6 firmly block in the connecting axle of hydraulic pressure scissors, quartering hammer or scraper bowl through set up fixture block 6 on cardboard 5, and second threaded rod 8 on supporting shoe 7 also can rotate simultaneously and drive splint 9 and carry out the centre gripping fixedly to the connecting axle.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an excavator link quick-change coupler, includes body (1), its characterized in that: be provided with on body (1) recess (2), recess (2) internal rotation is connected with threaded rod (3), the inner wall and the fixedly connected with commentaries on classics piece (4) of recess (2) are run through to the one end of threaded rod (3), threaded rod (3) are gone up the screw thread and have been cup jointed two cardboard (5), two cardboard (5) intraoral screw thread sets up for opposite, two the equal fixedly connected with fixture block (6) in one side that cardboard (5) are relative.

2. The quick-change connector for the excavator connecting frame according to claim 1, wherein a supporting block (7) is fixedly connected to the surface of the two clamping plates (5), a second threaded rod (8) is inserted into the supporting block (7) in a threaded manner, one end of the second threaded rod (8) is rotatably connected with a clamping plate (9), and one end of the second threaded rod (8) far away from the clamping plate (9) is fixedly connected with a knob (10).

3. The quick-change connector for the excavator connecting frame according to claim 1, wherein a limiting rod (11) is fixedly connected in the groove (2), and the two clamping plates (5) are slidably sleeved on the limiting rod (11).

4. The quick-change connector for the excavator connecting frame according to claim 1, wherein a clamping rod (12) is slidably inserted into the rotating block (4), a plurality of clamping grooves corresponding to the clamping rod (12) are formed in the outer wall of the body (1), and a limiting sleeve (13) is fixedly sleeved on one end, close to the body (1), of the clamping rod (12).

5. The quick-change joint of the excavator connecting frame according to claim 1, wherein two connecting blocks (14) symmetrically arranged are fixedly connected to one side of the body (1), and a connecting port (15) is arranged on each of the two connecting blocks (14).

6. The quick-change coupler for the excavator connecting frame as claimed in claim 2, wherein a buffer plate (16) is fixedly connected to the side, away from the second threaded rod (8), of the clamping plate (9), and the buffer plate (16) is made of rubber.

7. The quick-change connector for the excavator connecting frame according to claim 4, wherein the clamping rod (12) is sleeved with a spring (17), and two ends of the spring (17) are respectively and fixedly connected with the limiting sleeve (13) and the rotating block (4).