CN216618314U

CN216618314U - Coupling convenient to dismouting quick replacement

Info

Publication number: CN216618314U
Application number: CN202122433273.3U
Authority: CN
Inventors: 宗登甫; 王斌; 王磊; 张增华
Original assignee: Henan Province Zhongyuan Dahua Group Co ltd
Current assignee: Henan Province Zhongyuan Dahua Group Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-27
Anticipated expiration: 2031-10-11

Abstract

A coupler convenient for disassembly, assembly and quick replacement is a coupler technology, which overcomes the problems in the prior art and comprises four half couplers which are butted and spliced together and an elastic block; the first half coupling and the fourth half coupling are both in a stepped shaft shape and are connected with a shaft; the first half coupling is connected with the second half coupling through a bolt; the third half coupling and the fourth half coupling are connected through bolts; the elastic block is positioned between the second half coupling and the third half coupling.

Description

Coupling convenient to dismouting quick replacement

Technical Field

The utility model relates to the technical field of couplings, in particular to a coupling convenient to disassemble, assemble and quickly replace.

Background

The original coupler is in a three-jaw type, the coupler is heavy and not easy to align (the alignment data is inaccurate), the elastic block is short in service life, after the elastic block is damaged (the pump is frequently started and stopped), the pump of the running machine is easy to vibrate, the noise is large, other parts are damaged, the elastic block needs to be removed by moving the motor every time, the elastic block needs to be re-aligned during installation, time and labor are wasted, and the requirement on maintenance personnel is high.

Disclosure of Invention

The utility model aims to provide a coupler convenient to disassemble, assemble and replace quickly, which is used for solving the problems in the prior art, and the utility model aims to realize the purpose that the coupler comprises four half couplers which are butted and spliced together and an elastic block; the first half coupling and the fourth half coupling are connected with the shaft in a stepped shaft shape; the first half coupling is connected with the second half coupling through a bolt; the third half coupling and the fourth half coupling are connected through bolts; the elastic block is positioned between the second half coupling and the third half coupling.

The bottom surfaces of the second half coupling and the third half coupling are provided with equidistant circumferential convex blocks, and two sides of each convex block are provided with grooves; a cylinder is embedded in each groove; the second half coupling, the third half coupling and the elastic block can transmit torque through contact extrusion.

The middle parts of the first half coupling and the fourth half coupling are provided with shaft holes, the shaft holes are the same in size or different in size, key grooves are formed in the shaft holes, threaded holes are formed in the small cylindrical surfaces of the first half coupling and the fourth half coupling, and the threaded holes can prevent axial movement through bolt pressing shaft fixing positions.

The outer side wall of the convex block is an arc surface, and the arc surface and the arc of the inner side wall are concentric circles.

Six cylinders with the same size are arranged on the elastic block and are distributed at equal intervals; the diameters of the six cylinders are matched with the diameters of the grooves of the convex blocks of the second half coupling and the third half coupling.

Screw holes of the first half coupling, the second half coupling, the third half coupling and the fourth half coupling are uniformly distributed on the same circumference, and connection in pairs is realized through bolts.

The application method of the utility model comprises the following steps that the four half couplings which are butted and spliced together and an elastic block are included, wherein the first half coupling and the fourth half coupling are in a stepped shaft shape, the middle part of the first half coupling and the fourth half coupling is provided with a shaft hole connected with a shaft, and the shaft hole is provided with a key groove; the first half coupling is connected with the second half coupling through a bolt; the fourth half coupling is connected with the third half coupling through a bolt; the bottom surface of the second half coupling is provided with three equidistant circumferential convex blocks, and three equidistant grooves are formed among the convex blocks; the driving shaft is connected with the first half coupling through a key to transmit torque; the first half coupling and the second half coupling transmit torque through bolts; elastic blocks are filled between the grooves; the second half coupling and the third half coupling are tightly connected with the elastic block to transmit torque; the third half coupling and the fourth half coupling transmit torque through bolts; the fourth half coupling and the driven shaft transmit torque through keys; the second coupling half, the third coupling half and the elastic block can be replaced quickly.

Through careful mapping and analytical research, the beneficial effects of the utility model are as follows:

the connecting parts of the middle second half coupling and the middle third half coupling are dismounted each time the pump body is overhauled and the elastic block is replaced, and precision centering alignment and motor moving are not needed each time the elastic block is overhauled or replaced, so that the overhauling time is shortened, the labor intensity is reduced, and the installation is convenient; the working efficiency is improved; the maintenance cost is reduced.

Drawings

Fig. 1 is a disassembly drawing of shaft coupling convenient to dismouting quick replacement, 1 in the drawing, first half-coupling 2, second half-coupling 3, third half-coupling 4, fourth half-coupling 5, elastic block 6, screw hole 7, protruding piece 8, recess 9, arc surface 10, cylinder.

Fig. 2 is a schematic structural view of the coupling half, wherein 7, the convex blocks 8, the grooves 9 and the circular arc surfaces.

Fig. 3 is a schematic structural view of the coupling half and the elastic block, in the figure, 5 is an elastic block 7, a convex block 9, a circular arc surface 10 and a cylinder.

Detailed Description

The utility model comprises four half couplings which are butted and assembled together and an elastic block in the embodiment 1; the first half coupling 1 and the fourth half coupling 4 are connected with the shaft in a stepped shaft shape; the first half coupling 1 is connected with the second half coupling 2 through a bolt; the third half coupling 3 is connected with the fourth half coupling 4 through a bolt; the elastic block 5 is located between the second coupling part 2 and the third coupling part 3.

The bottom surfaces of the embodiment 2, the second half coupling 2 and the third half coupling 3 are provided with equidistant circumferential convex blocks 7, and two sides of each convex block 7 are provided with grooves 8; a cylinder 10 is embedded in each groove 8; the second coupling part 2, the third coupling part 3 and the elastic blocks 5 can transmit torque through contact compression.

Embodiment 3, first half-coupling 1 all has the shaft hole with fourth half-coupling 4 middle part, and the shaft hole size is the same or different, all is equipped with the keyway in the shaft hole, all has screw hole 6 on the small cylinder face of first half-coupling 1, fourth half-coupling 4, and these screw holes pass through bolt hold-down shaft fixed position, can prevent along axial displacement.

In embodiment 4, the outer side wall of the bump 7 is an arc surface 9, and the arc surface 9 and the inner side wall arc are concentric circles.

In the embodiment 5, the elastic block 5 is provided with six cylinders 10 with the same size, and the six cylinders 10 with the same size are distributed at equal intervals; the diameters of the six cylinders 10 are matched with the diameters of the grooves 8 of the convex blocks of the second coupling part 2 and the third coupling part 3.

In the embodiment 6, the screw holes of the first half coupling 1, the second half coupling 2, the third half coupling 3 and the fourth half coupling 4 are uniformly distributed on the same circumference, and the two half couplings are connected through bolts.

Example 7, the application method of the present invention is: the positions of the driving shaft and the driven shaft are well adjusted and firmly fixed; respectively inserting a first half coupling 1 and a third half coupling 4 into a driving shaft and a driven shaft with keys, fixedly connecting the shafts and the half couplings, adjusting the positions of the shafts and the half couplings, and pressing the shaft fixing positions through bolts to prevent the shafts from moving along the axial direction; after the second half coupling 2, the second half coupling 3 and the elastic block 5 are connected together, the second half coupling is respectively connected with the first half coupling 1 and the fourth half coupling 4 through bolts; the driving shaft is connected with the first half coupling 1 through keys to transmit torque; the first half coupling 1 and the second half coupling 2 transmit torque through bolts; elastic blocks are filled between the grooves; the second half coupling 2 and the third half coupling 3 are tightly connected with the elastic block to transmit torque; the third half coupling 3 and the fourth half coupling 4 transmit torque through bolts; the fourth half coupling 4 and the driven shaft transmit torque through keys; the second coupling part 2, the third coupling part 3 and the elastic blocks can be replaced quickly.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a shaft coupling convenient to dismouting quick replacement which characterized in that: the coupling comprises four half couplings which are butted and assembled together and an elastic block (5); the first half coupling (1) and the fourth half coupling (4) are connected with the shaft in a stepped shaft shape; the first half coupling (1) is connected with the second half coupling (2) through a bolt; the third half coupling (3) is connected with the fourth half coupling (4) through a bolt; the elastic block (5) is positioned between the second half coupling (2) and the third half coupling (3).

2. The coupler of claim 1, wherein the coupler is capable of being quickly disassembled and assembled, and the coupler is characterized in that: the bottom surfaces of the second half coupling (2) and the third half coupling (3) are provided with equidistant circumferential convex blocks (7), and two sides of each convex block (7) are provided with grooves (8); a cylinder (10) is embedded in each groove (8); the second half coupling (2), the third half coupling (3) and the elastic block (5) can transmit torque through contact extrusion.

3. The coupler of claim 1, wherein the coupler is capable of being quickly disassembled and assembled, and the coupler is characterized in that: all there is the shaft hole in first half-coupling (1) and fourth half-coupling (4) middle part, and the shaft hole size is the same or different, all is equipped with the keyway in the shaft hole, all has screw hole (6) on the small circle cylinder face of first half-coupling (1), fourth half-coupling (4), and these screw holes pass through bolt hold-down shaft fixed position, can prevent along axial displacement.

4. The coupler of claim 2, wherein the coupler is capable of being quickly disassembled and assembled, and the coupler is characterized in that: the outer side wall of the convex block (7) is an arc surface (9), and the arc surface (9) and the inner side wall arc are concentric circles.

5. The coupler of claim 1, wherein the coupler is capable of being quickly disassembled and assembled, and the coupler is characterized in that: six cylinders (10) with the same size are arranged on the elastic block (5), and the six cylinders (10) with the same size are distributed at equal intervals; the diameters of the six cylinders (10) are matched with the diameters of the grooves (8) of the convex blocks of the second half coupling (2) and the third half coupling (3).

6. The coupler of claim 1, wherein the coupler is capable of being quickly disassembled and assembled, and the coupler is characterized in that: screw holes of the first half coupling (1), the second half coupling (2), the third half coupling (3) and the fourth half coupling (4) are uniformly distributed on the same circumference, and connection in pairs is realized through bolts.