CN210366758U

CN210366758U - Four-claw clutch for winch

Info

Publication number: CN210366758U
Application number: CN201921182022.9U
Authority: CN
Inventors: 罗厚彬; 施炳扬; 陈慧杰
Original assignee: Shaoguan Zhuoyi Electromechanical Industry Co Ltd
Current assignee: Shaoguan Zhuoyi Electromechanical Industry Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-21
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a machinery conveys technical field, and more specifically says that it relates to a four-jaw clutch for winch, including the winch body. The key points of the technical scheme are as follows: the winch body comprises a main shaft and a winding drum which is rotatably connected to the main shaft, a clutch chassis is meshed to the main shaft, four engaging claws are evenly arranged on the clutch chassis towards one side end face of the winding drum, four engaging claw grooves are formed in the winding drum corresponding to the engaging claws, an annular groove is formed in the circumferential direction of the outer wall of the clutch chassis, a shifting fork shaft is arranged above the annular groove, the shifting fork shaft is horizontally arranged and is perpendicular to the setting direction of the main shaft, a shifting fork is sleeved on the shifting fork shaft, and the shifting fork extends into the annular groove. The utility model has the advantages of power separation, fast meshing speed and simple structure.

Description

Four-claw clutch for winch

Technical Field

The utility model relates to a machinery conveys technical field, and more specifically says that it relates to a four-jaw clutch for winch.

Background

The winch is a device which completes traction work by driving a winding drum and winding a rope through manpower or mechanical power. The weight can be pulled vertically, horizontally or obliquely. The existing winch comprises a rack, a driving device and a winding drum, wherein the winding drum is installed on the rack, and the driving device drives the winding drum to rotate through a rotating shaft.

The above scheme has the defects that: the existing winch generally cannot realize power separation, when the steel wire rope on the winding drum needs to be quickly separated, the driving device can limit the rotating speed of the winding drum, the steel wire rope cannot be quickly separated, and the driving device is easily damaged due to too high rotating speed of the winding drum.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a winch is with four claw clutch, have the advantage that can realize the power separation, meshing speed is fast, simple structure to prior art exists not enough.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a four-jaw clutch for winch, includes the winch body, the winch body includes the main shaft and rotates the reel of connection at the main shaft, the meshing has the clutch chassis on the main shaft, follows the clutch chassis evenly is provided with four joint claws towards reel side end face, four joint claw grooves have been seted up to the reel correspondence joint claw, the ring channel has been seted up to clutch chassis outer wall circumference, the ring channel top is provided with the declutch shift shaft, the declutch shift shaft level sets up and is perpendicular with the direction that sets up of main shaft, the cover is equipped with the shift fork on the declutch shift shaft, the shift fork extends to in the ring channel.

By adopting the technical scheme, the shifting fork is driven to rotate by rotating the shifting fork shaft, the shifting fork pushes the clutch chassis to slide towards the winding drum on the main shaft, the clutch chassis rotates for 90 degrees, the clutch chassis and the joint claw on the clutch chassis are aligned and meshed with the joint claw groove on the winding drum, the power on the main shaft is transmitted to the winding drum to enable the winding drum to rotate, the shifting fork shaft is rotated in the opposite direction to push the clutch chassis to slide away from the winding drum, the power transmission can be cut, and the effect of cutting off the power transmission of the main shaft and the winding drum is achieved.

The utility model discloses further set up to: the clutch comprises a winding drum and is characterized in that a housing is arranged on one side of the winding drum, the opening of the housing faces the winding drum, a clutch base plate is arranged in the housing, and a shifting fork shaft is rotatably connected to the housing.

By adopting the technical scheme, the outer cover can enable the clutch to be in a closed environment, support the whole clutch and avoid damage to the clutch caused by fine sundries in the environment.

The utility model discloses further set up to: and the shifting forks are provided with shifting rods facing two sides of the outer wall of the annular groove, and the two shifting rods extend into the annular groove.

By adopting the technical scheme, the two shift rods are positioned on two sides of the annular groove and extend into the annular groove, so that the clutch chassis is uniformly stressed when the shift rods rotate to push the clutch chassis to slide, and stable driving force is provided.

The utility model discloses further set up to: a return spring is sleeved on the shifting fork shaft, one end of the return spring is connected with the shifting fork, and the other end of the return spring is connected with the outer cover.

Through adopting above-mentioned technical scheme, stability when return spring improves clutch chassis and reel meshing avoids causing the unexpected power condition of separation because unexpected factors such as vibration lead to clutch chassis and reel separation.

The utility model discloses further set up to: one end of the shifting fork shaft extends out of the outer cover, one end of the shifting fork shaft extending out of the outer cover is connected with a handle, and the handle is arranged vertically.

By adopting the technical scheme, the handle is connected with the shifting fork shaft, and the shifting fork shaft can be rotated by stirring the handle, so that the device is convenient and labor-saving.

To sum up, the utility model discloses following beneficial effect has:

firstly, the power of the winch is separable, and the steel wire rope wound on the winding drum can be quickly separated;

secondly, it is rational in infrastructure, the meshing speed of clutch is fast, easy operation.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic view of the structure of the engaging claw in the present embodiment;

fig. 5 is a schematic view of the engaging claw groove structure in the present embodiment.

In the figure: 1. a reel; 2. a drive device; 3. a main shaft; 4. a clutch chassis; 5. an engaging claw; 6. an engaging claw groove; 7. an annular groove; 8. a shifting fork; 9. a fork shaft; 10. a housing; 11. a deflector rod; 12. a return spring; 13. a handle.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, a four-jaw clutch for winch, including the winch body, the winch body includes main shaft 3 and rotates reel 1 of connection on main shaft 3, the meshing has clutch chassis 4 on the main shaft 3, clutch chassis 4 evenly is provided with four joint claws 5 towards 1 side end face of reel, reel 1 has seted up four joint claw grooves 6 corresponding four joint claws 5, ring channel 7 has been seted up to clutch chassis 4 outer wall circumference, ring channel 7 top is provided with declutch shift shaft 9, declutch shift shaft 9 level sets up and is perpendicular with the direction that sets up of main shaft 3, the cover is equipped with shift fork 8 on the declutch shift shaft 9, shift fork 8 extends to in the ring channel 7.

Specifically, a housing 10 is arranged on one side of the winding drum 1, the opening of the housing 10 faces the winding drum 1, the clutch chassis 4 is arranged in the housing 10, and the shifting fork shaft 9 is rotatably connected to the housing 10. The shifting fork 8 is provided with the driving lever 11 towards the outer wall both sides of ring channel 7, and two driving levers 11 are located ring channel 7 both sides, and two driving levers 11 extend to in the ring channel 7. A return spring 12 is sleeved on the shifting fork shaft 9, one end of the return spring 12 is connected with the shifting fork 8, and the other end of the return spring is connected with the outer cover 10. One end of the shifting fork shaft 9 extends out of the outer cover 10, one end of the shifting fork shaft 9 extending out of the outer cover 10 is connected with a handle 13, and the handle 13 is vertically arranged.

The implementation principle of the embodiment is as follows: the main shaft 3 is driven to rotate by the driving device 2, the clutch chassis 4 is meshed on the main shaft 3 and can axially slide on the main shaft 3 while rotating along with the main shaft 3, the clutch chassis 4 is provided with a joint claw 5, the winding drum 1 is provided with a joint claw groove 6 corresponding to the joint claw 5, when the clutch chassis 4 slides to the winding drum 1 under the push of the shifting fork 8, the clutch chassis 4 rotates along with the main shaft 3 to drive the joint claw 5 to rotate and be meshed with the joint claw groove 6 in an alignment way, the clutch chassis 4 can complete the meshing of the joint claw 5 and the joint claw groove 6 only by rotating 90 degrees at most, the power of the main shaft 3 after meshing is transmitted to the winding drum 1 through the clutch chassis 4 to drive the winding drum 1 to rotate, when the shifting fork 8 pushes the clutch chassis 4 to be far away from the winding drum 1, the joint claw 5 is separated from the joint claw groove 6, and the power of the winding drum 1 is, the handle 13 on the declutch shift shaft 9 can reduce the force required for rotating the declutch shift shaft 9, and the clutch chassis 4 can be kept in the connection and engagement state with the winding drum 1 through the return spring 12, so that the engagement stability is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a four-jaw clutch for winch, includes the winch body, the winch body includes main shaft and rotates the reel of connection on main shaft, its characterized in that: the clutch base plate is meshed on the main shaft, four engaging claws are evenly arranged on the end face, facing one side of the winding drum, of the clutch base plate, four engaging claw grooves are formed in the winding drum corresponding to the engaging claws, an annular groove is formed in the circumferential direction of the outer wall of the clutch base plate, a shifting fork shaft is arranged above the annular groove, the shifting fork shaft is horizontally arranged and is perpendicular to the setting direction of the main shaft, a shifting fork is sleeved on the shifting fork shaft, and the shifting fork extends into the annular groove.

2. The four-jaw clutch for a winch of claim 1, wherein: the clutch comprises a winding drum and is characterized in that a housing is arranged on one side of the winding drum, an opening of the housing faces the winding drum, a clutch base plate is arranged in the housing, and a shifting fork shaft is rotatably connected to the housing.

3. The four-jaw clutch for a winch of claim 1, wherein: the shifting fork is provided with the driving lever towards the outer wall both sides of ring channel, two the driving lever is located the ring channel both sides, two the driving lever extends to in the ring channel.

4. The four-jaw clutch for a winch of claim 1, wherein: a return spring is sleeved on the shifting fork shaft, one end of the return spring is connected with the shifting fork, and the other end of the return spring is connected with the outer cover.

5. The four-jaw clutch for a winch of claim 2, wherein: one end of the shifting fork shaft extends out of the outer cover, one end of the shifting fork shaft extending out of the outer cover is connected with a handle, and the handle is arranged vertically.