CN210944659U

CN210944659U - Novel winch

Info

Publication number: CN210944659U
Application number: CN201921737869.9U
Authority: CN
Inventors: 杨森
Original assignee: Nanjing Xiaosen Machinery Technology Co ltd
Current assignee: Nanjing Xiaosen Machinery Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-07
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to the technical field of winches, in particular to a novel winch, which comprises a motor, a differential case and a rope winding drum; the brake device comprises an underframe, a left bracket, a right bracket, a brake pad, a pull rod, a first limit nut, a second limit nut, a U-shaped bracket and a magnetic attraction mechanism, and further comprises a first spring, a second spring and a third spring which are sequentially sleeved on the pull rod, wherein the first spring is positioned between the first limit nut and a clamping block, the second spring is positioned between the clamping block and the U-shaped bracket, and the third spring is positioned between the U-shaped bracket and the second limit nut; compared with the prior art, the brake device optimizes the reset mechanism of the brake device by arranging the three springs, so that the service life of the brake device is effectively prolonged, the brake performance of the brake device is effectively improved, and the normal operation of the winch is ensured.

Description

Novel winch

Technical Field

The utility model relates to a hoist engine technical field, concretely relates to novel hoist engine.

Background

A winch, a light and small hoisting device for hoisting or pulling heavy objects by winding a steel wire rope or a chain on a winding drum, which is also called a winch. The hoist can drag the heavy object vertically, horizontally or obliquely. The winding machine is divided into a manual winding machine, an electric winding machine and a hydraulic winding machine. Electric winches are now the main. Can be used independently, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, and is widely applied due to simple operation, large rope winding amount and convenient displacement. The lifting device is mainly applied to material lifting or flat dragging of buildings, hydraulic engineering, forestry, mines, wharfs and the like.

The winch sometimes needs to be provided with a brake device to control the emergency stop or pause of the winch in the using process, the traditional brake device adopts a clamping type brake structure, the principle is that a group of brake pads are arranged at the left end and the right end of a brake wheel, and the winch is braked by opening and closing paired brake pads. However, the existing brake device is used for a long time, and the phenomena of brake theft, braking and the like of the brake device are easy to occur, and the reason is mainly that the spring cannot restore the brake pad to the initial position after long-time use, so that the normal operation of the winch is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough among the prior art, and provide a novel hoist engine that brake effect is good, long service life.

The purpose of the utility model is realized through the following technical scheme: the application provides a novel winch, which comprises a motor, a differential case and a rope winding drum, wherein an output shaft of the motor is connected with an input end of the differential case, an output end of the differential case is fixedly connected with the rope winding drum, a brake wheel is sleeved and fixed on an output shaft of the motor, and a brake device is arranged on the outer side of the brake wheel; the brake device comprises an underframe, a left support, a right support, a brake pad, a pull rod, a first limit nut, a second limit nut, a U-shaped support and a magnetic suction mechanism, wherein the bottom end of the left support is hinged with the underframe through a rotating shaft, the bottom end of the right support is fixedly connected with the underframe, the middle part of the left support is fixedly provided with the brake pad facing a brake wheel, two lug parts of the U-shaped support are fixedly connected with the top end of the right support, the top end part of the left support is provided with a clamping block, the magnetic suction mechanism is fixedly arranged on one side of the right support, the output end of the magnetic suction mechanism is fixedly connected with the tail part of the pull rod, the head part of the pull rod sequentially penetrates through the right support, the bottom surface of the U-shaped support and the clamping block, the first limit nut is in threaded; the brake device further comprises a first spring, a second spring and a third spring, wherein the first spring, the second spring and the third spring are sequentially sleeved on the pull rod, the first spring is located between the first limiting nut and the clamping block, the second spring is located between the clamping block and the U-shaped support, and the third spring is located between the U-shaped support and the second limiting nut.

Wherein, the working face fixed mounting of brake block has the brake film.

Wherein, magnetism is inhaled the mechanism and is included mount pad, C type spare and automatically controlled coil, and mount pad fixed mounting is in one side of right branch frame, and the afterbody rigid coupling of C type spare and pull rod and this tip pass through the articulated elements and articulate the top at the mount pad, and another tip of C type spare is provided with the magnetic core, and under the assembled condition, the magnetic core is located automatically controlled coil.

The utility model has the advantages that: the brake device of the novel winch has the working process that when braking is needed, the magnetic attraction mechanism is started to pull the pull rod to translate, the first limit nut at the head of the pull rod can abut against the clamping block and drive the left support to rotate towards the direction of the brake wheel during translation of the pull rod, the left support rotates until the brake block of the left support abuts against the brake wheel to brake, after braking is completed, the magnetic attraction mechanism stops working, the first spring and the second spring return the pull rod by utilizing the compressed elastic force of the first spring and the second spring, and the third spring has the buffering effect, so that the pull rod can be effectively prevented from receiving excessive tensile force during returning, and excessive returning of the pull rod is avoided. The normal operation of the winch is ensured.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural diagram of the novel winch of the present invention.

Fig. 2 is a schematic structural diagram of the brake device of the present invention.

Fig. 3 is a schematic view of another visual structure of the brake device of the present invention.

Reference numerals: the brake device comprises a motor 1, a differential case 2, a rope winding drum 3, a brake wheel 4, a brake device 5, a bottom frame 51, a left support 52, a right support 53, a brake pad 54, a brake rubber sheet 541, a pull rod 55, a U-shaped support 56, a first limiting nut 61, a second limiting nut 62, a first spring 71, a second spring 72, a third spring 73, a mounting seat 81, a C-shaped part 82, an electric control coil 83 and a magnetic core 84.

Detailed Description

The invention will be further described with reference to the following examples.

The utility model discloses a specific implementation mode of a novel winch, as shown in fig. 1 and fig. 2, comprising a motor 1, a differential case 2 and a rope winding drum 3, wherein the output shaft of the motor 1 is connected with the input end of the differential case 2, the output end of the differential case 2 is fixedly connected with the rope winding drum 3, a brake wheel 4 is sleeved and fixed on the output shaft of the motor 1, and a brake device 5 is arranged outside the brake wheel 4; the brake device 5 comprises an underframe 51, a left bracket 52, a right bracket 53, a brake pad 54, a pull rod 55, a first limit nut 61, a second limit nut 62, a U-shaped bracket 56 and a magnetic attraction mechanism, the bottom end of the left support 52 is hinged with the underframe 51 through a rotating shaft, the bottom end of the right support 53 is fixedly connected with the underframe 51, the middle part of the left support 52 is fixedly provided with a brake pad 54 facing the brake wheel 4, two lug parts of the U-shaped support 56 are fixedly connected with the top end of the right support 53, the top end part of the left support 52 is provided with a clamping block, the magnetic suction mechanism is fixedly arranged on one side of the right support 53, the output end of the magnetic suction mechanism is fixedly connected with the tail part of the pull rod 55, the head part of the pull rod 55 sequentially penetrates through the right support 53, the bottom surface of the U-shaped support 56 and the clamping block, the first limiting nut 61 is in threaded connection with the head part of the pull rod 55, and the second limiting nut 62; the brake device 5 further comprises a first spring 71, a second spring 72 and a third spring 73 which are sequentially sleeved on the pull rod 55, the first spring 71 is located between the first limiting nut 61 and the clamping block, the second spring 72 is located between the clamping block and the U-shaped bracket 56, and the third spring 73 is located between the U-shaped bracket 56 and the second limiting nut 62.

In the present embodiment, the workability of the brake device 5 is further improved. A brake rubber sheet 541 is fixedly mounted on the working surface of the brake pad 54.

Preferably, the magnetic attraction mechanism includes a mounting seat 81, a C-shaped member 82 and an electric control coil 83, the mounting seat 81 is fixedly mounted on one side of the right bracket 53, one end of the C-shaped member 82 is fixedly connected to the tail of the pull rod 55 and is hinged to the top end of the mounting seat 81 through a hinge, the other end of the C-shaped member 82 is provided with a magnetic core 84, and in the assembled state, the magnetic core 84 is located in the electric control coil 83.

The utility model has the advantages that: the working process of the brake device 5 of the novel winch comprises the steps that when braking is needed, the magnetic attraction mechanism is started to pull the pull rod 55 to translate, in the translation process of the pull rod 55, the first limiting nut 61 at the head of the pull rod 55 can abut against the clamping block and drive the left support 52 to rotate towards the direction of the brake wheel 4, the left support 52 rotates until the brake block 54 of the left support 52 abuts against the brake wheel 4 to brake, after braking action is completed, the magnetic attraction mechanism stops working, the first spring 71 and the second spring 72 return the pull rod 55 by utilizing the compressed elastic force of the first spring 71 and the second spring 72, the third spring 73 has a buffering effect, the pull rod 55 can be effectively prevented from receiving too large pulling force in the return process, and the pull rod 55 is prevented from excessively returning, compared with the prior art, the brake device 5 of the application optimizes the return mechanism of the brake device 5 by arranging three springs, and the service life of the brake device 5 is effectively prolonged, and, the brake performance of the brake device 5 is effectively improved, and the normal operation of the winch is ensured.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a novel hoist engine, includes motor, differential case and rope winding drum, the output shaft of motor with the input of differential case is connected, the output and the rope winding drum rigid coupling of differential case, its characterized in that: a brake wheel is sleeved and fixed on an output shaft of the motor, and a brake device is arranged on the outer side of the brake wheel;

the brake device comprises an underframe, a left support, a right support, a brake pad, a pull rod, a first limit nut, a second limit nut, a U-shaped support and a magnetic suction mechanism, wherein the bottom end of the left support is hinged with the underframe through a rotating shaft, the bottom end of the right support is fixedly connected with the underframe, the middle part of the left support is fixedly provided with the brake pad facing a brake wheel, two lug parts of the U-shaped support are fixedly connected with the top end of the right support, the top end part of the left support is provided with a fixture block, the magnetic suction mechanism is fixedly arranged on one side of the right support, the output end of the magnetic suction mechanism is fixedly connected with the tail part of the pull rod, the head part of the pull rod sequentially penetrates through the bottom surfaces of the right support and the U-shaped support and the fixture block, the first limit nut is in threaded connection with the head part of the pull rod, and; the brake device further comprises a first spring, a second spring and a third spring which are sequentially sleeved on the pull rod, the first spring is located between the first limiting nut and the clamping block, the second spring is located between the clamping block and the U-shaped support, and the third spring is located between the U-shaped support and the second limiting nut.

2. The novel hoisting machine as claimed in claim 1, wherein: and a brake rubber sheet is fixedly arranged on the working surface of the brake pad.

3. The novel hoisting machine as claimed in claim 1, wherein: the mechanism is inhaled to magnetism includes mount pad, C type spare and automatically controlled coil, mount pad fixed mounting is in one side of right branch frame, the afterbody rigid coupling of a tip and the pull rod of C type spare and this tip pass through the articulated elements and articulate the top at the mount pad, another tip of C type spare is provided with the magnetic core, under the assembled state, the magnetic core is located in the automatically controlled coil.