CN112010214A

CN112010214A - Abrasionproof decreases hoist engine with acceleration rate promotes

Info

Publication number: CN112010214A
Application number: CN202010924117.4A
Authority: CN
Inventors: 龙崖
Original assignee: Jiande Luorong Technology Co ltd
Current assignee: Jiande Luorong Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-12-01

Abstract

The invention discloses an anti-abrasion winch with acceleration lifting function; including the main tank body, be equipped with the opening forward and the ascending stay cord chamber of opening in the main tank body, stay cord chamber left side intercommunication is equipped with the reciprocating motion chamber, reciprocating motion chamber left side is equipped with the halftooth chamber, stay cord chamber right side is equipped with the first fixed chamber of line that the opening is ascending and the opening is forward, the first fixed chamber right side of line is equipped with the separation and reunion chamber, separation and reunion chamber left end wall internal rotation fit is connected with and extends to the separation and reunion intracavity and extend to the left and run through the first fixed chamber of line, the axis of rotation of stay cord chamber and reciprocating motion chamber to halftooth intracavity, reciprocating motion can be controlled to the spool when rotatory, realize even receipts line, reduce the frictional wear who receives the line in-process and produce, improve the stability of material promotion work, when the quality of promotion material is not big, speed change bevel gear drives the speed change friction pulley.

Description

Abrasionproof decreases hoist engine with acceleration rate promotes

Technical Field

The invention relates to the related technical field of elevators, in particular to an anti-abrasion winch with acceleration lifting.

Background

The hoist engine is the hoisting equipment who promotes the object with reel winding wire rope, present motor hoist engine is in lifting work, because the drive ratio of motor hoist engine itself is unchangeable usually, so no matter promote the material of big weight, it is unchangeable when its lifting speed is general, when the material weight that promotes is less, its fixed lifting speed has reduced work efficiency undoubtedly, on the other hand, in lifting work, the stay cord is received on the bobbin of certain width, frictional wear can take place usually, thereby influence the life-span of stay cord and the stability of lifting work.

Disclosure of Invention

Aiming at the technical defects, the invention provides an anti-abrasion winch with accelerating and lifting functions, which can overcome the defects.

The invention relates to an abrasion-proof winch with acceleration lifting, which comprises a main box body, wherein a rope pulling cavity with a forward opening and an upward opening is arranged in the main box body, the left side of the rope pulling cavity is communicated with a reciprocating motion cavity, the left side of the reciprocating motion cavity is provided with a semi-tooth cavity, the right side of the rope pulling cavity is provided with a wire head fixing cavity with an upward opening and a forward opening, the right side of the wire head fixing cavity is provided with a clutch cavity, the left end wall of the clutch cavity is rotationally and fittingly connected with a wire barrel which extends rightwards into the clutch cavity and leftwards to penetrate through the wire head fixing cavity, the rope pulling cavity and the reciprocating motion cavity to the semi-tooth cavity, the rope pulling cavity is internally provided with a wire barrel which is fittingly connected with a spline of the rotating shaft and extends leftwards into the reciprocating motion cavity, the left end of the outer circular surface of the wire, the terminal fixedly connected with reciprocating slide block of left side plate washer left end face upside, reciprocating slide block with reciprocating slide block chamber lower extreme wall sliding fit connects, reciprocating slide block up end fixedly connected with reciprocating rack, reciprocating motion chamber left side intercommunication is equipped with reciprocating slide block chamber, reciprocating slide block chamber upside intercommunication is equipped with reciprocating gear chamber, reciprocating gear chamber rear side is equipped with the reciprocating belt chamber that extends down left, reciprocating belt chamber front end wall internal rotation fit is connected with and extends to forward reciprocating gear intracavity and extend to backward reciprocating gear shaft in the reciprocating belt chamber, reciprocating gear intracavity be equipped with reciprocating gear shaft fixed connection's reciprocating gear.

On the basis of the technical scheme, the reciprocating gear is meshed with the reciprocating rack, the right side of the clutch cavity is provided with a motor fixedly connected with the main box body, the right side of the motor is provided with a motor gear cavity extending upwards, the right end face of the motor is fixedly connected with a motor shaft extending rightwards into the motor gear cavity, the motor gear cavity is internally provided with a motor shaft gear fixedly connected with the motor shaft, the left side of the motor gear cavity is provided with a speed change cavity positioned at the upper side of the motor, the right end wall of the speed change cavity is in rotary fit connection with a motor driven wheel extending rightwards into the motor gear cavity and leftwards into the speed change cavity, the motor gear cavity is internally provided with a motor driven gear fixedly connected with the motor driven wheel, the motor driven gear is meshed with the motor shaft gear, the left side of the motor gear cavity is provided with a rotating speed sensor fixedly, the variable-speed drive device is characterized in that a wide friction wheel fixedly connected with the driven wheel of the motor is arranged in the variable-speed cavity, and a variable-speed slide block cavity located on the right side of the variable-speed cavity is arranged on the upper side of the wide friction wheel.

On the basis of the technical scheme, the side wall of the speed change sliding block cavity is connected with a speed change sliding block in a sliding fit manner, the right end face of the speed change sliding block cavity is connected with a screw rod which extends to the outside rightwards and extends to the inside of the speed change sliding block leftwards in a rotating fit manner, the screw rod is connected with the speed change sliding block in a threaded fit manner, the tail end of the right side of the screw rod is fixedly connected with a knob, the speed change sliding block is connected with a speed change shaft which extends to the inside of the speed change sliding block cavity leftwards in a rotating fit manner, a speed change friction wheel which is fixedly connected with the speed change shaft is arranged in the speed change cavity, the speed change friction wheel is abutted against the wide friction wheel, the upper side of the clutch cavity is communicated with a transmission cavity, the right end wall of the transmission cavity is connected with a speed change wheel shaft which extends, the speed change wheel is abutted against the speed change friction wheel.

On the basis of the technical scheme, a speed change bevel gear fixedly connected with a speed change wheel shaft is arranged in a transmission cavity, an intermediate transmission shaft extending rightwards into the transmission cavity is connected to the left end wall of the transmission cavity in a rotating fit manner, intermediate transmission teeth fixedly connected with the intermediate transmission shaft are arranged in the transmission cavity and meshed with the speed change bevel gear, an idle gear rotatably connected with the rotating shaft in a rotating fit manner is arranged in a clutch cavity and meshed with the intermediate transmission teeth, a synchronizer fixedly connected with the rotating shaft and positioned on the right side of the idle gear is arranged in the clutch cavity, the outer circular surface of the synchronizer is rotatably connected with a sleeve in a fit manner, a shifting fork is fixedly connected to the tail end of the lower side of the sleeve, a clutch slider is fixedly connected to the lower end surface of the shifting fork, and a clutch magnet is fixedly connected to the right, the lower side of the clutch cavity is communicated with a clutch sliding block cavity, and the clutch sliding block is connected with the lower end wall of the clutch sliding block cavity in a sliding fit manner.

On the basis of the technical scheme, separation and reunion slider chamber right-hand member wall fixedly connected with separation and reunion electro-magnet, separation and reunion electro-magnet left end face with fixedly connected with separation and reunion spring between the separation and reunion magnet right end face, the outer disc outside of axis of rotation be equipped with the headstock fixed connection just is located the left stopper in the first fixed chamber of line, half tooth intracavity be equipped with axis of rotation fixed connection's half left tooth, half tooth intracavity be equipped with axis of rotation fixed connection just is located half right tooth on half left side, half tooth chamber right end wall normal running fit is connected with and extends to left the reverse gear axle in the half tooth intracavity, half tooth intracavity be equipped with reverse gear shaft fixed connection's reverse gear, reverse gear with half right tooth meshing, half tooth chamber left side is equipped with reciprocal awl tooth chamber, reciprocal awl tooth chamber right end wall normal running fit is connected with and extends to right half tooth intracavity and extend to left reciprocal awl intracavity And a half-tooth driven shaft in the tooth cavity.

On the basis of the technical scheme, a right half-tooth driven tooth fixedly connected with the half-tooth driven shaft is arranged in the half-tooth cavity, a left half-tooth driven tooth fixedly connected with the half-tooth driven shaft and positioned on the left side of the right half-tooth driven tooth is arranged in the half-tooth cavity, a reciprocating main bevel tooth fixedly connected with the half-tooth driven shaft is arranged in the reciprocating bevel tooth cavity, a reciprocating main bevel tooth extending forwards into the reciprocating bevel tooth cavity and extending backwards into the reciprocating belt cavity is connected to the rear end wall of the reciprocating bevel tooth cavity in a rotating fit manner, a reciprocating auxiliary bevel tooth fixedly connected with the reciprocating main bevel tooth is arranged in the reciprocating bevel tooth cavity, the reciprocating auxiliary bevel tooth is meshed with the reciprocating main bevel tooth, a reciprocating main belt wheel fixedly connected with the reciprocating main bevel tooth is arranged in the reciprocating belt cavity, and a reciprocating auxiliary belt wheel fixedly connected with the reciprocating gear shaft is arranged in the reciprocating belt cavity, reciprocating driven belt wheels and reciprocating main belt wheels are connected with reciprocating multiplexing belts in a power matching mode.

The invention has the beneficial effects that: reciprocating motion about the spool can be in the rotation, realize even receipts line, reduce the frictional wear who receives the line in-process and produce, improve the stability that the material promoted work, when the quality that promotes the material is not big, speed change bevel gear passes through the variable speed shaft and drives the variable speed friction pulley and slide right, realize the acceleration rate transmission, promote the material fast, thereby work efficiency has been improved, when the material quality that promotes is heavier and the operator wants the speed-up of forcing again, synchronizer and idle gear withdraw from the meshing, the stopper circular telegram, thereby the axis of rotation of locking, avoid the emergence of accident.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of an abrasion-proof winch with speed-increasing lifting according to the present invention;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at C in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

As shown in fig. 1-4, the wear-resistant winch with acceleration lifting of the present invention comprises a main box 10, a rope pulling cavity 40 with a forward opening and an upward opening is arranged in the main box 10, a reciprocating cavity 16 is communicated with the left side of the rope pulling cavity 40, a half-tooth cavity 52 is arranged on the left side of the reciprocating cavity 16, a string head fixing cavity 21 with an upward opening and a forward opening is arranged on the right side of the rope pulling cavity 40, a clutch cavity 22 is arranged on the right side of the string head fixing cavity 21, a wire drum 18 which extends to the right side into the clutch cavity 22 and extends to the left side into the string head fixing cavity 21, the rope pulling cavity 40 and the reciprocating cavity 16 to the half-tooth cavity 52 is rotatably and cooperatively connected to the left end wall of the clutch cavity 22, a wire drum 18 which is spline-connected to the rotating shaft 15 and extends to the reciprocating cavity 16 to the left side is arranged in the rope pulling cavity 40, a left baffle plate 17 is fixedly connected to the left end of, the terminal fixedly connected with right baffle 19 in outer disc right side of bobbin 18, the terminal fixedly connected with reciprocal slider 13 of left side baffle 17 left end face upside, reciprocal slider 13 with terminal sliding fit connects under the reciprocal slider chamber 14, reciprocal slider 13 up end fixedly connected with reciprocating

rack

12, 16 left sides of reciprocating motion chamber intercommunication are equipped with reciprocal slider chamber 14, reciprocal slider chamber 14 upside intercommunication is equipped with

reciprocating gear chamber

11, 11 rear sides in reciprocating gear chamber are equipped with reciprocal belt chamber 43 that extends down left, reciprocal belt chamber 43 front end wall internal rotation fit is connected with and extends to forward in the reciprocating gear chamber 11 and backward extend to reciprocating gear shaft 45 in the reciprocal belt chamber 43, be equipped with in the reciprocating gear chamber 11 with reciprocating gear shaft 45 fixed connection's reciprocating gear 46.

In addition, in one embodiment, the reciprocating gear 46 is engaged with the reciprocating rack 12, the right side of the clutch cavity 22 is provided with a motor 34 fixedly connected with the main box 10, the right side of the motor 34 is provided with a motor gear cavity 67 extending upward, the right end face of the motor 34 is fixedly connected with a motor shaft 32 extending rightward into the motor gear cavity 67, the motor gear cavity 67 is internally provided with a motor shaft gear 31 fixedly connected with the motor shaft 32, the left side of the motor gear cavity 67 is provided with a speed change cavity 62 positioned on the upper side of the motor 34, the right end wall of the speed change cavity 62 is rotatably connected with a motor driven wheel 68 extending rightward into the motor gear cavity 67 and leftward into the speed change cavity 62 in a matching manner, the motor driven gear 66 is arranged in the motor gear cavity 67 and fixedly connected with the motor driven wheel 68, and the motor driven gear 66 is engaged with the motor shaft gear 31, the left side of the motor gear cavity 67 is provided with a rotating speed sensor 65 fixedly connected with a motor driven wheel 68, the inside of the speed changing cavity 62 is provided with a wide friction wheel 64 fixedly connected with the motor driven wheel 68, and the upper side of the wide friction wheel 64 is provided with a speed changing slide block cavity 70 positioned on the right side of the speed changing cavity 62.

In addition, in one embodiment, a speed changing slider 69 is connected to a side wall of the speed changing slider cavity 70 in a sliding fit manner, a lead screw 72 extending to the outside to the right and extending to the inside of the speed changing slider cavity 70 to the left is connected to a right end face of the speed changing slider cavity 70 in a rotating fit manner, the lead screw 72 is connected with the speed changing slider 69 in a threaded fit manner, a knob 71 is fixedly connected to a right end of the lead screw 72, a speed changing shaft 61 extending to the inside of the speed changing cavity 62 to the left is connected to the speed changing slider 69 in a rotating fit manner, a speed changing friction wheel 63 fixedly connected with the speed changing shaft 61 is arranged in the speed changing cavity 62, the speed changing friction wheel 63 abuts against the wide friction wheel 64, a transmission cavity 35 is communicated with an upper side of the clutch cavity 22, a speed changing wheel shaft 60 extending to the inside of the speed changing cavity 62 to the right and extending to the inside of the, a change gear 59 fixedly connected with the change gear shaft 60 is arranged in the change gear cavity 62, and the change gear 59 is abutted with the change gear friction wheel 63.

In addition, in one embodiment, a speed change bevel gear 36 fixedly connected with the speed change wheel shaft 60 is arranged in the transmission cavity 35, an intermediate transmission shaft 38 extending rightwards into the transmission cavity 35 is connected to the left end wall of the transmission cavity 35 in a rotationally matched manner, intermediate transmission teeth 37 fixedly connected with the intermediate transmission shaft 38 are arranged in the transmission cavity 35, the intermediate transmission teeth 37 are engaged with the speed change bevel gear 36, an idle gear 39 rotatably connected with the rotating shaft 15 is arranged in the clutch cavity 22, the idle gear 39 is engaged with the intermediate transmission teeth 37, a synchronizer 30 fixedly connected with the rotating shaft 15 and positioned at the right side of the idle gear 39 is arranged in the clutch cavity 22, a sleeve 29 is rotatably connected to the outer circumferential surface of the synchronizer 30, a shifting fork 28 is fixedly connected to the lower end face of the shifting fork 28, and a clutch slider 24 is fixedly connected to the lower end face of the shifting fork 28, the right end face of the clutch slider 24 is fixedly connected with a clutch magnet 25, the lower side of the clutch cavity 22 is communicated with a clutch slider cavity 23, and the clutch slider 24 is connected with the lower end wall of the clutch slider cavity 23 in a sliding fit manner.

In addition, in one embodiment, a clutch electromagnet 27 is fixedly connected to the right end wall of the clutch slider cavity 23, a clutch spring 26 is fixedly connected between the left end surface of the clutch electromagnet 27 and the right end surface of the clutch magnet 25, a brake 20 fixedly connected to the main casing 10 and located on the left side of the bobbin fixing cavity 21 is disposed on the outer side of the outer circumferential surface of the rotating shaft 15, a left half tooth 58 fixedly connected to the rotating shaft 15 is disposed in the half tooth cavity 52, a right half tooth 57 fixedly connected to the rotating shaft 15 and located on the right side of the left half tooth 58 is disposed in the half tooth cavity 52, a reverse gear shaft 55 extending leftward into the half tooth cavity 52 is rotatably connected to the right end wall of the half tooth cavity 52, a reverse gear 56 fixedly connected to the reverse gear shaft 55 is disposed in the half tooth cavity 52, and the reverse gear 56 is engaged with the right half tooth 57, the left side of the half-tooth cavity 52 is provided with a reciprocating tapered tooth cavity 49, and a half-tooth driven shaft 53 which extends rightwards into the half-tooth cavity 52 and leftwards into the reciprocating tapered tooth cavity 49 is connected to the right end wall of the reciprocating tapered tooth cavity 49 in a rotating and matching mode.

In addition, in one embodiment, a right half-tooth driven tooth 54 fixedly connected with the half-tooth driven shaft 53 is arranged in the half-tooth cavity 52, a left half-tooth driven tooth 47 fixedly connected with the half-tooth driven shaft 53 and positioned on the left side of the right half-tooth driven tooth 54 is arranged in the half-tooth cavity 52, a reciprocating main bevel tooth 51 fixedly connected with the half-tooth driven shaft 53 is arranged in the reciprocating bevel tooth cavity 49, a reciprocating main bevel tooth 48 extending forwards into the reciprocating bevel tooth cavity 49 and backwards into the reciprocating belt cavity 43 is connected in a rotationally matched manner at the rear end wall of the reciprocating bevel tooth cavity 49, a reciprocating auxiliary bevel tooth 50 fixedly connected with the reciprocating main bevel tooth 48 is arranged in the reciprocating bevel tooth cavity 49, the reciprocating auxiliary bevel tooth 50 is meshed with the reciprocating main bevel tooth 51, and a reciprocating main belt pulley 41 fixedly connected with the reciprocating main bevel tooth 48 is arranged in the reciprocating belt cavity 43, a reciprocating secondary belt wheel 44 fixedly connected with the reciprocating gear shaft 45 is arranged in the reciprocating belt cavity 43, and a reciprocating belt 42 is connected between the reciprocating secondary belt wheel 44 and the reciprocating primary belt wheel 41 in a power fit manner.

The applicant will now specifically describe an anti-wear hoist with increased lifting according to the present application with reference to the accompanying figures 1 to 4 and the description above: in the initial state, the clutch spring 26 is in a relaxed state, and the synchronizer 30 is not engaged with the idler gear 39; starting the motor to drive the motor shaft 32 to rotate, the motor shaft 32 driving the motor driven wheel 68 to rotate through the synchronizer 30 and the motor driven gear 66 to drive the wide friction wheel 64 to rotate, the wide friction wheel 64 driving the change speed wheel shaft 60 to rotate through the change speed friction wheel 63 and the change speed wheel 59 to drive the change speed bevel gear 36 to rotate, the change speed bevel gear 36 driving the idle gear 39 to rotate through the intermediate transmission gear 37, the idle gear 39 idling on the rotating shaft 15, when the winch is ready to hoist, the clutch electromagnet 27 is energized, the clutch electromagnet 27 repels the clutch magnet 25 to drive the clutch slider 24 to slide to the left against the clutch spring 26, the clutch slider 24 driving the synchronizer 30 to move to the left through the pull fork 28 and the sleeve 29, at this time, the synchronizer 30 and the idle gear 39 just come into engagement, the idle gear 39 driving the rotating shaft 15 to rotate through the synchronizer 30, and the rotating shaft 15 driving the, the lifting operation is started, at the same time, the rotating shaft 15 drives the left half-tooth 58 and the right half-tooth 57 to rotate, at this time, the left half-tooth 58 and the left half-tooth driven tooth 47 just enter into engagement, the right half-tooth 57 and the reverse gear 56 just do not engage, the left half-tooth 58 drives the half-tooth driven shaft 53 to rotate through the left half-tooth driven tooth 47, so that the reciprocating main bevel tooth 48 is driven to rotate through the reciprocating main bevel tooth 51 and the reciprocating slave bevel tooth 50, the reciprocating main bevel tooth 48 drives the reciprocating main belt wheel 41 to rotate, so that the reciprocating gear shaft 45 is driven to rotate through the reciprocating belt 42 and the reciprocating slave belt wheel 44, the reciprocating gear shaft 45 drives the reciprocating gear 46 to rotate, so that the reciprocating slide block 13 is driven to slide leftwards through the reciprocating rack 12, the reciprocating slide block 13 drives the bobbin 18 to move leftwards, when the bobbin 18 moves leftwards to a certain position, the left half-tooth 58 and the left half-tooth 47 just exit from, the right half-tooth 57 drives the half-tooth driven shaft 53 to rotate reversely through the reverse gear 56 and the right half-tooth driven gear 54, and finally drives the bobbin 18 to move rightwards, so that the bobbin 18 can move leftwards and rightwards in a reciprocating manner while rotating, uniform winding is realized, and friction and abrasion generated in the winding process are reduced; when the quality of the lifting material is not large, the knob 71 is rotated to drive the screw rod 72 to rotate, so that the speed change slide block 69 is driven to slide rightwards, the speed change bevel gear 36 drives the speed change friction wheel 63 to slide rightwards through the speed change shaft 61, speed-up transmission is realized, the material is quickly lifted, and the working efficiency is improved; when the lifted material is heavy and an operator wants to lift the material quickly, if the transmission ratio is increased, the material is likely to cause a phenomenon of immobilization, the material drives the pull rope to fall downwards under the action of gravity, so that the rotating speed of each shaft is increased, at the moment, the rotating speed sensor 65 can detect the rotating speed change of the driven wheel 68 of the motor, when the rotating speed change of the driven wheel 68 of the motor reaches a set value, the clutch electromagnet 27 is automatically powered off, the synchronizer 30 is reset, the synchronizer 30 and the idle gear 39 just quit from meshing, the brake 20 is powered on at the same time, and the rotating shaft 15 is locked by the brake 20, so that accidents are avoided.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an abrasionproof decreases hoist engine with acceleration rate promotes, includes the main tank body, its characterized in that: a pull rope cavity with a forward opening and an upward opening is arranged in the main box body, a reciprocating motion cavity is communicated with the left side of the pull rope cavity, a half-tooth cavity is arranged on the left side of the reciprocating motion cavity, a string head fixing cavity with an upward opening and a forward opening is arranged on the right side of the pull rope cavity, a clutch cavity is arranged on the right side of the string head fixing cavity, a string drum which extends rightwards into the clutch cavity and extends leftwards into the half-tooth cavity through the string head fixing cavity, the pull rope cavity and the reciprocating motion cavity is arranged in the clutch cavity in a rotating fit manner, a string drum which is connected with the rotating shaft in a spline fit manner and extends leftwards into the reciprocating motion cavity is arranged in the pull rope cavity, a left baffle plate is fixedly connected with the left end of the outer surface of the string drum, a right baffle plate is fixedly connected with the right end of the outer surface, reciprocating slide block with reciprocating slide block chamber lower extreme wall sliding fit connects, reciprocating slide block up end fixedly connected with reciprocal rack, reciprocating motion chamber left side intercommunication is equipped with reciprocating slide block chamber, reciprocating slide block chamber upside intercommunication is equipped with the reciprocating gear chamber, reciprocating gear chamber rear side is equipped with the reciprocal belt chamber that extends down left, reciprocating belt chamber front end wall internal rotation fit is connected with and extends to forward reciprocating gear intracavity and extend to backward reciprocating gear shaft in the reciprocal belt chamber, reciprocating gear intracavity be equipped with reciprocating gear shaft fixed connection's reciprocating gear.

2. The anti-wear winch with the speed-increasing lifting function according to claim 1, wherein: the reciprocating gear is meshed with the reciprocating rack, the right side of the clutch cavity is provided with a motor fixedly connected with the main box body, the right side of the motor is provided with a motor gear cavity extending upwards, the right end face of the motor is fixedly connected with a motor shaft extending rightwards into the motor gear cavity, the motor gear cavity is internally provided with a motor shaft gear fixedly connected with the motor shaft, the left side of the motor gear cavity is provided with a speed change cavity positioned at the upper side of the motor, the right end wall of the speed change cavity is connected with a motor driven wheel which extends rightwards into the motor gear cavity and leftwards into the speed change cavity in a rotating fit manner, the motor gear cavity is internally provided with a motor driven gear fixedly connected with the motor driven wheel, the motor driven gear is meshed with the motor shaft gear, the left side of the motor gear cavity is provided with a rotating speed, the variable-speed drive device is characterized in that a wide friction wheel fixedly connected with the driven wheel of the motor is arranged in the variable-speed cavity, and a variable-speed slide block cavity located on the right side of the variable-speed cavity is arranged on the upper side of the wide friction wheel.

3. The anti-wear winch with the speed-increasing lifting function according to claim 2, wherein: the lateral wall of the speed change sliding block cavity is connected with a speed change sliding block in a sliding fit manner, the right end face of the speed change sliding block cavity is connected with a screw rod which extends to the outside rightwards and extends to the inside of the speed change sliding block cavity leftwards in a rotating fit manner, the screw rod is connected with the speed change sliding block in a threaded fit manner, the tail end of the right side of the screw rod is fixedly connected with a knob, the speed change sliding block is connected with a speed change shaft which extends to the inside of the speed change cavity leftwards and penetrates through the speed change sliding block cavity leftwards in a rotating fit manner, a speed change friction wheel which is fixedly connected with the speed change shaft is arranged in the speed change cavity, the speed change friction wheel is abutted against the wide friction wheel, the upper side of the clutch cavity is communicated with a transmission cavity, the right end wall of the transmission cavity, the speed change wheel is abutted against the speed change friction wheel.

4. The anti-wear winch with the speed-increasing lifting function according to claim 3, wherein the anti-wear winch is characterized in that: a speed change bevel gear fixedly connected with the speed change wheel shaft is arranged in the transmission cavity, an intermediate transmission shaft extending rightwards into the transmission cavity is connected to the left end wall of the transmission cavity in a rotating fit manner, an intermediate transmission gear fixedly connected with the intermediate transmission shaft is arranged in the transmission cavity, the intermediate transmission gear is meshed with the speed change bevel gear, an idle gear rotatably connected with the rotating shaft in a rotating fit manner is arranged in the clutch cavity, the idle gear is meshed with the intermediate transmission gear, a synchronizer fixedly connected with the rotating shaft and positioned on the right side of the idle gear is arranged in the clutch cavity, the outer circular surface of the synchronizer is rotatably connected with a sleeve in a fit manner, a shifting fork is fixedly connected to the tail end of the lower side of the sleeve, a clutch slider is fixedly connected to the lower end surface of the shifting fork, a clutch magnet is fixedly connected to the right end surface, the clutch sliding block is connected with the lower end wall of the clutch sliding block cavity in a sliding fit mode.

5. The anti-wear winch with the speed-increasing lifting function according to claim 4, wherein the hoisting mechanism comprises: the right end wall of the clutch slide block cavity is fixedly connected with a clutch electromagnet, a clutch spring is fixedly connected between the left end surface of the clutch electromagnet and the right end surface of the clutch magnet, a brake which is fixedly connected with the main box body and is positioned on the left side of the thread head fixing cavity is arranged on the outer side of the outer circular surface of the rotating shaft, a left half tooth fixedly connected with the rotating shaft is arranged in the half tooth cavity, a right half tooth fixedly connected with the rotating shaft and positioned on the right side of the left half tooth is arranged in the half tooth cavity, a reverse gear shaft which extends leftwards into the half-tooth cavity is connected on the right end wall of the half-tooth cavity in a rotating fit manner, a reverse gear fixedly connected with the reverse gear shaft is arranged in the half tooth cavity, the reverse gear is meshed with the right half tooth, half tooth chamber left side is equipped with reciprocal awl tooth chamber, reciprocal awl tooth chamber right end wall normal running fit is connected with and extends to right half tooth intracavity and extend to left half tooth driven shaft in the reciprocal awl tooth intracavity.

6. The anti-wear winch with the speed-increasing lifting function according to claim 5, wherein the anti-wear winch is characterized in that: a right half-tooth driven tooth fixedly connected with the half-tooth driven shaft is arranged in the half-tooth cavity, a left half-tooth driven tooth fixedly connected with the half-tooth driven shaft and positioned on the left side of the right half-tooth driven tooth is arranged in the half-tooth cavity, a reciprocating main bevel gear fixedly connected with the semi-tooth driven shaft is arranged in the reciprocating bevel gear cavity, the rear end wall of the reciprocating bevel gear cavity is rotationally connected with a reciprocating main bevel gear which extends forwards into the reciprocating bevel gear cavity and extends backwards into the reciprocating belt cavity, reciprocating secondary bevel teeth fixedly connected with the reciprocating primary bevel teeth are arranged in the reciprocating bevel tooth cavity, the reciprocating secondary bevel teeth are meshed with the reciprocating primary bevel teeth, a reciprocating main belt wheel fixedly connected with the reciprocating main bevel gear is arranged in the reciprocating belt cavity, a reciprocating secondary belt wheel fixedly connected with the reciprocating gear shaft is arranged in the reciprocating belt cavity, reciprocating driven belt wheels and reciprocating main belt wheels are connected with reciprocating multiplexing belts in a power matching mode.