CN210034197U

CN210034197U - Gear coupling convenient to overhaul for crane

Info

Publication number: CN210034197U
Application number: CN201920669065.3U
Authority: CN
Inventors: 郭志峰; 王凤娟; 朱辉
Original assignee: Xinxiang City Machinery Manufacturing Ltd By Share Ltd Bk
Current assignee: Xinxiang City Machinery Manufacturing Ltd By Share Ltd Bk
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-02-07
Anticipated expiration: 2029-05-10

Abstract

The utility model relates to a gear coupling technical field, and disclose a gear coupling for hoist convenient to overhaul, including initiative central siphon and driven central siphon, and the opposite side cover of initiative central siphon is equipped with left reel, left side reel is connected with right reel through fastening screw, the opposite side cover of right side reel is equipped with driven central siphon, the opposite side cover of driven central siphon is equipped with right axis body, and the outside center department of left side reel and right reel offers and is used for cup jointing the recess of initiative central siphon and driven central siphon, a plurality of cylinder grooves have evenly been seted up to the inner wall of recess, the cylinder inslot is equipped with thrust spring, thrust spring's one end and the tank bottom fixed connection in cylinder groove, thrust spring's other end fixedly connected with gag lever post, the spacing groove that corresponds with the gag lever post is all seted up to the pipe wall of initiative central siphon. The utility model discloses can realize being convenient for to the maintenance of shaft coupling to the quick assembly disassembly of initiative central siphon and driven central siphon.

Description

Gear coupling convenient to overhaul for crane

Technical Field

The utility model relates to a gear coupling technical field especially relates to a gear coupling for hoist convenient to overhaul.

Background

The coupling is a mechanical part for coupling two shafts (a driving shaft and a driven shaft) of different mechanisms to rotate together to transmit torque. In the high-speed heavy-load power transmission, some couplings also have the functions of buffering and damping and improving the dynamic performance of a shaft system. The coupling consists of two halves which are respectively connected with the driving shaft and the driven shaft.

However, the existing coupler is not very convenient to disassemble and assemble when being installed, used or maintained and checked, and the driving shaft and the driven shaft are only one section, so that the coupler needs to be replaced wholly after being worn, and the practicability is not strong.

Through retrieval, the patent with patent grant publication No. CN 207393788U provides a heavy mechanical gear coupling, which comprises a driving shaft tube and a driven shaft tube, wherein a left shaft body is spirally sleeved on one side of the driving shaft tube, a shaft sleeve is sleeved on the outer side of the left shaft body, a left shaft disc is sleeved on the other side of the driving shaft tube, the left shaft disc is connected with a right shaft disc through a fastening screw, a driven shaft tube is sleeved on the other side of the right shaft disc, a right shaft body is sleeved on the other side of the driven shaft tube, a groove is formed in the center of the outer sides of the left shaft body and the right shaft body, the groove is connected with the driven shaft tube in a clamping and nesting mode, the patent realizes the fixed connection between the shaft tube and the shaft disc through a buckle, but the buckle has no fastening and limiting structure, and a spring can be laterally bent and deformed to further not well, and when the bayonet is clamped into the clamping groove of the shaft disc, a corresponding taking-out mechanism does not exist, so that the shaft tube and the shaft disc are not convenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and realizing the fixed connection between central siphon and the reel through the buckle, nevertheless do not have fastening limit structure to the buckle, the spring atress can the side direction bending deformation and then can not be fine messenger central siphon and reel fixed connection together, and also do not have corresponding taking out mechanism in the draw-in groove of reel as the bayonet socket card income, the problem of the dismouting between central siphon and the reel of being not convenient for, and the crane gear coupling for easy access that provides.

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

a gear coupling for a crane convenient to overhaul comprises a driving shaft tube and a driven shaft tube, wherein a left shaft body is spirally sleeved on one side of the driving shaft tube, a shaft sleeve is sleeved on the outer side of the left shaft body, a left shaft disc is sleeved on the other side of the driving shaft tube, the left shaft disc is connected with a right shaft disc through a fastening screw, a driven shaft tube is sleeved on the other side of the right shaft disc, a right shaft body is sleeved on the other side of the driven shaft tube, grooves for sleeving the driving shaft tube and the driven shaft tube are formed in the centers of the outer sides of the left shaft disc and the right shaft disc, a plurality of cylindrical grooves are uniformly formed in the inner walls of the grooves, thrust springs are arranged in the cylindrical grooves, one ends of the thrust springs are fixedly connected with the bottoms of the cylindrical grooves, limiting rods are fixedly connected to the other ends of the thrust springs, limiting grooves corresponding to the limiting, the surface of left side reel and right reel still sets up the groove that resets that corresponds with the cylinder groove, the one end fixedly connected with connecting rod that the gag lever post is located the cylinder inslot, the one end that the gag lever post was kept away from to the connecting rod stretches into the inslot that resets and fixedly connected with T shape pull rod through the through-hole.

Preferably, the rod wall of one side of the limiting rod, which is far away from the bottom of the groove, is an inclined plane.

Preferably, the side wall of the left shaft disc is evenly hinged with a plurality of U-shaped limiting plates, and one ends, far away from the hinge connection, of the U-shaped limiting plates are fixedly connected to the right shaft disc through screws.

Preferably, the rod wall of one end of the limiting rod, which is positioned in the cylindrical groove, is symmetrically and fixedly connected with two limiting slide blocks, and the inner wall of the cylindrical groove is provided with a limiting slide groove matched with the limiting slide blocks.

Preferably, one end of the T-shaped pull rod, which is far away from the reset groove, extends out of the reset groove and is fixedly wrapped with a layer of anti-skid and wear-resistant rubber pad.

Preferably, the driving shaft tube and the driven shaft tube are located a plurality of positioning columns of the even fixedly connected with of one end in the recess, the constant head tank that corresponds with the positioning column is seted up to the tank bottom of recess.

Compared with the prior art, the utility model provides a gear coupling for hoist convenient to overhaul possesses following beneficial effect:

1. this gear coupling for hoist convenient to overhaul, through the recess that is equipped with, with initiative central siphon and driven central siphon card in the recess, the inclined plane atress extrusion automatic retraction cylinder inslot of gag lever post is when the spacing groove removes to gag lever post department, thrust spring promotes the gag lever post, release the gag lever post outside the cylinder groove and make gag lever post and spacing groove block can realize the firm joint between central siphon and the reel, and when taking out initiative central siphon and driven central siphon and overhauing at needs, pulling T shape pull rod, utilize the connecting rod to pull out the spacing inslot with the gag lever post and can remove the spacing locking to initiative central siphon and driven central siphon, can realize the quick assembly disassembly to initiative central siphon and driven central siphon, be convenient for to the maintenance of coupling.

2. This gear coupling for hoist convenient to overhaul through the U-shaped limiting plate that is equipped with, upset U-shaped limiting plate when connecting left reel and right reel, and the rethread screw can realize further firm spacing to left reel and right reel with U-shaped limiting plate and right reel fixed connection together, has strengthened structural stability.

3. This gear coupling for hoist convenient to overhaul through reference column and the constant head tank that is equipped with, can stabilize spacingly, convenient to use to the direction of rotation of initiative central siphon and driven central siphon.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize being convenient for to the maintenance of shaft coupling to the quick assembly disassembly of initiative central siphon and driven central siphon.

Drawings

Fig. 1 is a schematic structural view of a crane gear coupling convenient to overhaul provided by the utility model;

fig. 2 is the utility model provides a gear coupling A part's for hoist structure schematic diagram convenient to overhaul.

In the figure: the automatic positioning device comprises a driving shaft tube 1, a driven shaft tube 2, a left shaft disc 3, a right shaft disc 4, a groove 5, a cylindrical groove 6, a thrust spring 7, a limiting rod 8, a limiting groove 9, a resetting groove 10, a connecting rod 11, a pull rod 12T-shaped, a limiting plate 13U-shaped, a screw 14, a positioning column 15 and a positioning groove 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a gear coupling for a crane convenient to overhaul, comprising a driving shaft tube 1 and a driven shaft tube 2, wherein one side of the driving shaft tube 1 is spirally sleeved with a left shaft body, the outer side of the left shaft body is sleeved with a shaft sleeve, the other side of the driving shaft tube 1 is sleeved with a left shaft disc 3, the left shaft disc 3 is connected with a right shaft disc 4 through a fastening screw, the other side of the right shaft disc 4 is sleeved with a driven shaft tube 2, the other side of the driven shaft tube 2 is sleeved with a right shaft body, a groove 5 for sleeving the driving shaft tube 1 and the driven shaft tube 2 is formed in the center of the outer sides of the left shaft disc 3 and the right shaft disc 4, a plurality of cylindrical grooves 6 are uniformly formed in the inner wall of the groove 5, thrust springs 7 are arranged in the cylindrical grooves 6, one ends of the thrust springs 7 are fixedly connected with the bottoms of the cylindrical grooves 6, the other ends of the thrust springs 7 are fixedly connected with, the groove 10 that resets that corresponds with cylinder groove 6 is still seted up on the surface of left side reel 3 and right reel 4, and the one end fixedly connected with connecting rod 11 that gag lever post 8 is located cylinder groove 6, and the one end that gag lever post 8 was kept away from to connecting rod 11 is passed through the through-hole and is stretched into the inslot that resets 10 and fixedly connected with T shape pull rod 12.

The rod wall of one side of the limiting rod 8 far away from the groove bottom of the groove 5 is provided with an inclined plane.

The side wall of the left shaft disc 3 is evenly hinged with a plurality of U-shaped limiting plates 13, and one ends, far away from the hinge connection, of the U-shaped limiting plates 13 are fixedly connected to the right shaft disc 4 through screws 14.

The limiting rod 8 is located two limiting slide blocks of one end rod wall symmetry fixedly connected with of cylinder groove 6, and the inner wall of cylinder groove 6 is seted up with limiting slide block assorted limiting slide groove.

One end of the T-shaped pull rod 12, which is far away from the reset groove 10, extends out of the reset groove 10 and is fixedly coated with a layer of anti-skid wear-resistant rubber pad.

The driving shaft tube 1 and the driven shaft tube 2 are located in the groove 5, one end of each of the driving shaft tube 1 and the driven shaft tube 2 is evenly and fixedly connected with a plurality of positioning columns 15, and positioning grooves 16 corresponding to the positioning columns 15 are formed in the bottoms of the grooves 5.

In the utility model, when in use, the driving shaft tube 1 and the driven shaft tube 2 are clamped in the groove 5 through the groove 5, the inclined plane of the limiting rod 8 is extruded by the stress to automatically retract into the cylindrical groove 6, when the limiting groove 9 moves to the limiting rod 8, the thrust spring 7 pushes the limiting rod 8 to push the limiting rod 8 out of the cylindrical groove 6 and clamp the limiting rod 8 with the limiting groove 9, so as to realize the stable clamping between the shaft tube and the shaft disc, and when the driving shaft tube 1 and the driven shaft tube 2 need to be taken out for maintenance, the T-shaped pull rod 12 is pulled, the limiting locking of the driving shaft tube 1 and the driven shaft tube 2 can be released by pulling the limiting rod 8 out of the limiting groove 9 by the connecting rod 11, the quick disassembly and assembly of the driving shaft tube 1 and the driven shaft tube 2 can be realized, the maintenance of the coupler is convenient, the U-shaped limiting plate 13 is arranged, and the U-shaped limiting plate 13 is overturned when the left shaft disc 3 and the, through screw 14 again with U-shaped limiting plate 13 and right reel 4 fixed connection together can realize stabilizing spacingly to the further of left reel 3 and right reel 4, strengthened structural stability, through reference column 15 and the constant head tank 16 that is equipped with, can stabilize spacingly, convenient to use to the direction of rotation of initiative central siphon 1 and driven central siphon 2.

The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gear coupling for a crane convenient to overhaul comprises a driving shaft tube (1) and a driven shaft tube (2), wherein a left shaft body is spirally sleeved on one side of the driving shaft tube (1), a shaft sleeve is sleeved on the outer side of the left shaft body, a left shaft disc (3) is sleeved on the other side of the driving shaft tube (1), the left shaft disc (3) is connected with a right shaft disc (4) through a fastening screw, the driven shaft tube (2) is sleeved on the other side of the right shaft disc (4), a right shaft body is sleeved on the other side of the driven shaft tube (2), a groove (5) for sleeving the driving shaft tube (1) and the driven shaft tube (2) is formed in the center of the outer sides of the left shaft disc (3) and the right shaft disc (4), the gear coupling is characterized in that a plurality of cylindrical grooves (6) are uniformly formed in the inner wall of the groove (5), a thrust spring (7) is arranged, the one end of thrust spring (7) and the tank bottom fixed connection in cylinder groove (6), the other end fixedly connected with gag lever post (8) of thrust spring (7), spacing groove (9) that correspond with gag lever post (8) are all seted up to the pipe wall of initiative central siphon (1) and driven central siphon (2), reset groove (10) that correspond with cylinder groove (6) are still seted up on the surface of left side reel (3) and right reel (4), one end fixedly connected with connecting rod (11) that gag lever post (8) are located cylinder groove (6), the one end that gag lever post (8) were kept away from in connecting rod (11) is stretched into through the through-hole and fixedly connected with T shape pull rod (12) in reset groove (10).

2. Gear coupling for crane convenient to overhaul according to claim 1, characterized in that the side wall of the limit rod (8) far from the bottom of the groove (5) is provided with an inclined surface.

3. The gear coupling for the crane convenient to overhaul according to claim 1, wherein the side wall of the left shaft disc (3) is uniformly hinged with a plurality of U-shaped limiting plates (13), and one ends, far away from the hinged connection, of the U-shaped limiting plates (13) are fixedly connected to the right shaft disc (4) through screws (14).

4. The gear coupling for the crane convenient to overhaul according to claim 1, wherein the rod wall of one end of the limiting rod (8) positioned in the cylindrical groove (6) is symmetrically and fixedly connected with two limiting sliding blocks, and the inner wall of the cylindrical groove (6) is provided with a limiting sliding groove matched with the limiting sliding blocks.

5. The gear coupling for the crane convenient to overhaul according to claim 1, wherein one end of the T-shaped pull rod (12) far away from the reset groove (10) extends out of the reset groove (10) and is fixedly coated with a layer of anti-skid wear-resistant rubber pad.

6. The gear coupling for the crane convenient to overhaul according to claim 1, wherein one end of the driving shaft tube (1) and the driven shaft tube (2) located in the groove (5) is uniformly and fixedly connected with a plurality of positioning columns (15), and a positioning groove (16) corresponding to the positioning columns (15) is formed in the bottom of the groove (5).