CN112623998B

CN112623998B - Hand-operated hoisting equipment for decoration

Info

Publication number: CN112623998B
Application number: CN202110037516.3A
Authority: CN
Inventors: 金定湘
Original assignee: China Railway 22nd Bureau Group Co Ltd; Electrification Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Current assignee: China Railway 22nd Bureau Group Co Ltd; Electrification Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2022-09-27
Anticipated expiration: 2041-01-12
Also published as: CN112623998A

Abstract

The invention discloses a hand-operated lifting device for decoration, which comprises a lifting device main body, wherein a lifting cavity with an opposite upward opening is arranged in the lifting device main body, the upper end of a lifting support plate upwards extends to the upper part of the upper end surface of the lifting device main body and is fixedly connected with a lifting plate, the invention automatically raises a protective plate with a certain height according to the quality of a lifted weight to protect the lifted weight, reduces the potential safety hazard of lifting work while placing the lifted weight to drop, and simultaneously automatically switches from the pulling of a single lifting cable to the pulling of two lifting cables when the quality of the lifted weight is overlarge, prolongs the service life of the lifting cable, reduces the cable breakage caused by overlarge weight, and can stably clamp and fix the lifting plate after the lifting work is finished, the working efficiency of the whole hoisting work is improved.

Description

Hand-operated hoisting equipment for decoration

Technical Field

The invention relates to the field of hoisting equipment, in particular to hand-operated hoisting equipment for decoration.

Background

In industrial construction operation, a plurality of lifting devices with different sizes are arranged according to different lifted weights, common lifting devices are simply lifted, a lifting end of the common hand-operated lifting device needs to be stably fixed during house decoration, safety accidents can be caused if a lifting cable of the common hand-operated lifting device is broken, the service life of the lifting cable can be greatly shortened after long-time use, and the problems can be solved.

Disclosure of Invention

In order to solve the problems, the embodiment designs a hand-operated lifting device for decoration, which comprises a lifting device main body, wherein a lifting cavity with an upward opening is arranged in the lifting device main body, a lifting support plate capable of moving up and down is arranged in the lifting cavity, the upper end of the lifting support plate upwards extends to the upper end face of the lifting device main body and is fixedly connected with a lifting plate, the lifting cavity with an upward opening is arranged in the lifting plate, a lifting plate capable of moving up and down is arranged in the lifting cavity, clamping fixing cavities are communicated and arranged on the left wall and the right wall of the lifting cavity, clamping groove fixing plates distributed in a matrix arrangement from top to bottom are fixedly arranged on the left end face and the right end face of the lifting support plate and are positioned on the lower side in the clamping fixing cavities, and a movable clamping cavity is communicated and arranged on one side, far away from the lifting cavity, of the clamping fixing cavities on the left side and the right side, the lifting device is characterized in that supporting clamping plates which can move left and right and are bilaterally symmetrical about the lifting cavity are arranged in the moving clamping cavities on the left and right sides, clamping grooves with inward openings are distributed in the supporting clamping plates close to the end surface on one side of the lifting cavity from top to bottom in a matrix arrangement mode, a gravity detector is fixedly arranged on the lower wall of the lifting cavity, a lifting cavity is communicated with the inner wall of the lifting cavity, a lifting connecting plate capable of moving up and down is arranged in the lifting cavity, the rear end surface of the lifting connecting plate is fixedly connected with the lower side of the front end surface of the lifting supporting plate, a lifting clamping groove with a forward opening is arranged on the front end surface of the lifting connecting plate, a lifting fixing plate is fixedly connected with the upper end surface of the lifting connecting plate, a lifting wheel is rotatably arranged on the upper side of the inner wall of the lifting cavity, a lifting cable is fixedly connected with the outer circular surface of the lifting wheel, and the lifting cable is fixedly connected with the lifting fixing plate, the lifting device comprises a lifting wheel, a lifting wheel main body, a lifting wheel, a lifting assisting plate, a clamping groove, a power cable, a power working plate, a switching cavity, a switching movable plate, a lifting assisting plate, a clamping lifting plate, a power rotating wheel, a supporting rotating shaft, a power cable and a power working plate, wherein the axis of the front end surface of the lifting wheel is fixedly connected with a rotating shaft, the front wall of the lifting cavity is communicated with the switching cavity, the switching movable plate is internally provided with the switching movable plate, the switching movable plate can move back and forth, the lower side of the front end surface of the switching movable plate is fixedly connected with the lifting assisting plate, the clamping lifting assisting plate is fixedly connected with the clamping lifting plate, the upper end surface of the lifting assisting plate is fixedly connected with the power rotating wheel, the supporting rotating shaft is rotatably connected with the upper end of the switching movable plate, the outer circular surface of the power rotating wheel is fixedly connected with the power cable, the power cable is fixedly connected with the power fixing plate, the front end surface in the lifting device main body is fixedly connected with the power working plate, the power working plate is internally provided with the rotating cavity, the rotating cavity is rotatably provided with a rotating wire wheel, and the outer circular surface of the rotating wire wheel is fixedly connected with a telescopic connecting cable.

Preferably, the rotation line takes turns up terminal surface axle center fixed connection and has the power axis of rotation, power axis of rotation up end upwards extends to the hand carousel of power working plate top and fixedly connected with, the hand backup pad of hand carousel up end right side fixedly connected with, the outer disc of hand backup pad rotates the cover and is equipped with hand rotary drum.

Preferably, lift by crane equipment main part left end and be located power working plate below is equipped with opening upset chamber left, the upside rotates and is equipped with the upset back shaft around the upset intracavity between two walls, the outer disc fixedly connected with upset drum of upset back shaft, the outer disc left side fixedly connected with returning face plate of upset drum, be equipped with the line wheel chamber in the upset chamber back wall, upset back shaft rear end face backward extend to line wheel intracavity and fixedly connected with line wheel, the outer disc fixedly connected with of line wheel connects the stay cord, line wheel rear end face with fixedly connected with rotation torsional spring between the line wheel chamber rear wall terminal surface.

Preferably, a lifting rotating wheel cavity is formed in the front wall of the lifting cavity and located in the upper wall of the switching cavity, the front end face of the rotating shaft extends forwards into the lifting rotating wheel cavity and is fixedly connected with a lifting power wheel, a connecting cable is fixedly connected to the outer circular face of the lifting power wheel and is connected with the telescopic connecting cable, a power-assisted transmission shaft is fixedly connected to the axis of the front end face of the lifting power wheel, the front end face of the power-assisted transmission shaft extends forwards into the switching cavity and is fixedly connected with a power-assisted connecting plate, a power-assisted connecting cavity with a backward opening is formed in the rear end face of the power-assisted rotating wheel, and the shape and size of the power-assisted connecting plate are the same as those of the power-assisted connecting cavity.

Preferably, the lower wall of the switching cavity is communicated with a switching moving cavity, a switching threaded shaft is rotatably arranged between the front wall and the rear wall of the switching moving cavity, a switching moving plate capable of moving back and forth is arranged in the switching moving cavity, the switching moving plate is in threaded connection with the switching threaded shaft, the upper end face of the switching moving plate is fixedly connected with the lower end face of the switching moving plate, a switching motor is fixedly arranged in the front wall of the switching moving cavity, and the front end of the switching threaded shaft is in power connection with the switching motor.

But preferably, the left and right sides remove the clamping chamber and keep away from lift chamber one side end wall intercommunication is equipped with the clamping and removes the chamber, the clamping removes the intracavity and is equipped with the movable connecting rod that removes about can, the left and right sides movable connecting rod is close to lift chamber one side terminal surface with support the dress cardboard and keep away from lift chamber one side terminal surface fixed connection, the left and right sides movable connecting rod keeps away from lift chamber one side terminal surface with the clamping removes the chamber and keeps away from fixedly connected with clamping removal spring between lift chamber one side end wall.

But preferred, the left and right sides clamping removes the chamber antetheca intercommunication and is equipped with the removal and connects the chamber, remove and be equipped with the removal connecting plate that removes about can in the connection chamber, the left and right sides before the removal connecting plate terminal surface respectively with the left and right sides remove connecting rod rear end face fixed connection, control it is equipped with same removal pivot to remove the connection intracavity back wall rotation, remove the outer disc of pivot and be located the left and right sides remove the opposite removal threaded sleeve of connection intracavity fixedly connected with screw thread, the left and right sides remove the connecting plate respectively with the left and right sides remove threaded sleeve threaded connection.

Preferably, the left side be equipped with the transmission line wheel chamber in the removal connection chamber left wall, it extends to remove pivot left end face left the transmission line wheel intracavity and fixedly connected with transmission line wheel, the outer disc fixedly connected with of transmission line wheel rotates the stay cord, rotate the stay cord with connect the stay cord and connect, transmission line wheel left end face with fixedly connected with reset torsion spring between the transmission line wheel chamber left wall terminal surface.

Preferably, lift under the lifter plate terminal surface with lift five supports that cavity lower wall terminal surface between fixedly connected with arranged the distribution from a left side to right side matrix and lift the stay cord, lift lifter plate lower terminal surface fixedly connected with from a left side to right side matrix and arrange four lift stay cords that distribute, lift the cavity and be equipped with four ascending lift chambeies of opening all around in the wall, lift intracavity is equipped with the protection shield that can reciprocate, controls under the protection shield terminal surface with fixedly connected with lift spring, all between the cavity lower wall terminal surface lift chamber terminal surface under the protection shield terminal surface fixedly connected with lift stay cord, all lift stay cord respectively with all connect the stay cord and be connected.

The invention has the beneficial effects that: the protection plate with a certain height is automatically lifted according to the mass of the lifted weight to protect the lifted weight, the lifted weight is placed and dropped, meanwhile, the potential safety hazard of lifting work is reduced, meanwhile, when the mass of the lifted weight is overlarge, the pulling of a single lifting cable rope is changed into the pulling of two lifting cable ropes simultaneously through automatic switching, the service life of the lifting cable rope is prolonged, meanwhile, the cable rope breakage caused by overlarge mass of the heavy material is reduced, in addition, the clamping and fixing of the lifting plate can be stably carried out after the lifting work is finished, and the working efficiency of the integral lifting work is improved.

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.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of a finishing hand-rocking type lifting device.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is a schematic diagram of the structure of B-B in fig. 1.

Fig. 4 is a schematic view of the structure of C-C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 2.

Fig. 6 is an enlarged schematic view of E in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, 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.

The invention relates to a hand-operated lifting device for decoration, which comprises a lifting device main body 11, wherein a lifting cavity 43 with opposite openings is arranged in the lifting device main body 11, a lifting support plate 21 capable of moving up and down is arranged in the lifting cavity 43, the upper end of the lifting support plate 21 upwards extends to the upper end face of the lifting device main body 11 and is fixedly connected with a lifting plate 12, a lifting cavity 18 with an upward opening is arranged in the lifting plate 12, a lifting plate capable of moving up and down is arranged in the lifting cavity 18, clamping fixing cavities 22 are communicated and arranged on the left wall and the right wall of the lifting cavity 43, clamping groove fixing plates 29 which are arranged in a matrix from top to bottom are fixedly arranged on the left end face and the right end face of the lifting support plate 21 and are positioned on the inner lower side of the clamping fixing cavities 22, and moving clamping cavities 27 are communicated and arranged on the left side and the right side of the clamping fixing cavities 22 far away from the lifting cavity 43, the movable clamping cavity 27 on the left side and the right side is internally provided with a supporting clamping plate 23 which can move left and right and is bilaterally symmetrical about the lifting cavity 43, clamping grooves 28 with inward openings are distributed in the supporting clamping plate 23 close to one side end surface of the lifting cavity 43 from top to bottom in a matrix arrangement mode, the lower wall of the lifting cavity 43 is fixedly provided with a gravity detector 30, the inner front wall of the lifting cavity 43 is communicated with a lifting cavity 53, a lifting connecting plate 56 capable of moving up and down is arranged in the lifting cavity 53, the rear end surface of the lifting connecting plate 56 is fixedly connected with the lower side of the front end surface of the lifting supporting plate 21, the front end surface of the lifting connecting plate 56 is provided with a lifting clamping groove 55 with a forward opening, the upper end surface of the lifting connecting plate 56 is fixedly connected with a lifting fixing plate 44, the upper side of the inner front wall of the lifting cavity 53 is rotatably provided with a lifting wheel 46, and the outer circular surface of the lifting wheel 46 is fixedly connected with a lifting cable 45, the lifting cable 45 is fixedly connected with the lifting fixed plate 44, the axis of the front end face of the lifting wheel 46 is fixedly connected with a rotating shaft 47, the front wall of the lifting cavity 53 is communicated with a switching cavity 52, a switching moving plate 67 capable of moving back and forth is arranged in the switching cavity 52, a lifting assisting plate 74 is fixedly arranged on the lower side of the front end face of the switching moving plate 67, the rear end face of the lifting assisting plate 74 is fixedly connected with a clamping lifting plate 54 with the same size as the lifting clamping groove 55, the upper end face of the lifting assisting plate 74 is fixedly connected with a power-assisting fixed plate 73, the upper wall of the switching cavity 52 is rotatably provided with a power-assisting wheel 69, the front end face of the power-assisting wheel 69 is fixedly connected with a supporting rotating shaft 68, the supporting rotating shaft 68 is rotatably connected with the upper end of the switching moving plate 67, the outer circular face of the power-assisting wheel 69 is fixedly connected with a power cable 51, and the power cable 51 is fixedly connected with the power-assisting fixed plate 73, the front end face in the lifting equipment main body 11 is fixedly connected with a power working plate 39, a rotating cavity 37 is arranged in the power working plate 39, a rotating wire wheel 36 is arranged in the rotating cavity 37 in a rotating mode, and a telescopic connecting cable 35 is fixedly connected to the outer circular face of the rotating wire wheel 36.

Beneficially, the shaft center of the upper end face of the rotating wire wheel 36 is fixedly connected with a power rotating shaft 38, the upper end face of the power rotating shaft 38 upwards extends to the position above the power working plate 39 and is fixedly connected with a hand-operated rotating disc 40, a hand-operated supporting plate 41 is fixedly connected to the right side of the upper end face of the hand-operated rotating disc 40, and a hand-operated rotating drum 42 is rotatably sleeved on the outer circular face of the hand-operated supporting plate 41.

Beneficially, the left end of the lifting device main body 11 is located below the power working plate 39, a turning cavity 31 with a leftward opening is formed in the lower portion of the lifting device main body, a turning support shaft 32 is arranged in the turning cavity 31 in a rotating mode on the upper side between the front wall and the rear wall, a turning cylinder 33 is fixedly connected to the outer circular surface of the turning support shaft 32, a turning plate 34 is fixedly connected to the left side of the outer circular surface of the turning cylinder 33, a wire wheel cavity 65 is formed in the rear wall of the turning cavity 31, the rear end face of the turning support shaft 32 extends backwards to the wire wheel cavity 65 and is fixedly connected with a wire wheel 66, a connection pull rope 64 is fixedly connected to the outer circular surface of the wire wheel 66, and a rotation torsion spring 80 is fixedly connected between the rear end face of the wire wheel 66 and the rear wall end face of the wire wheel cavity 65.

Beneficially, a lifting rotating wheel cavity 48 is arranged in the front wall of the lifting cavity 53 and located in the upper wall of the switching cavity 52, the front end face of the rotating shaft 47 extends forwards into the lifting rotating wheel cavity 48 and is fixedly connected with a lifting power wheel 49, the outer circular face of the lifting power wheel 49 is fixedly connected with a connecting cable 50, the connecting cable 50 is connected with the telescopic connecting cable 35, the axis of the front end face of the lifting power wheel 49 is fixedly connected with a power-assisted transmission shaft 72, the front end face of the power-assisted transmission shaft 72 extends forwards into the switching cavity 52 and is fixedly connected with a power-assisted connecting plate 71, the rear end face of the power-assisted rotating wheel 69 is provided with a power-assisted connecting cavity 70 with a backward opening, and the shape and size of the power-assisted connecting plate 71 are the same as those of the power-assisted connecting cavity 70.

Advantageously, a switching moving cavity 78 is communicated with the lower wall of the switching cavity 52, a switching threaded shaft 77 is rotatably arranged between the front wall and the rear wall in the switching moving cavity 78, a switching moving plate 76 capable of moving back and forth is arranged in the switching moving cavity 78, the switching moving plate 76 is in threaded connection with the switching threaded shaft 77, the upper end surface of the switching moving plate 76 is fixedly connected with the lower end surface of the switching moving plate 67, a switching motor 75 is fixedly arranged in the front wall of the switching moving cavity 78, and the front end of the switching threaded shaft 77 is in power connection with the switching motor 75.

Beneficially, the left and right sides remove clamping chamber 27 and keep away from lift chamber 43 one side end wall intercommunication is equipped with the clamping and removes chamber 24, the clamping is removed and is equipped with movable connecting rod 26 that removes about can in the chamber 24, the left and right sides movable connecting rod 26 is close to lift chamber 43 one side end face with support clamping plate 23 keeps away from lift chamber 43 one side end face fixed connection, the left and right sides movable connecting rod 26 is kept away from lift chamber 43 one side end face with the clamping is removed the chamber 24 and is kept away from lift chamber 43 one side end wall between fixedly connected with clamping movable spring 25.

Beneficially, the front walls of the clamping moving cavities 24 on the left and right sides are communicated with a moving connecting cavity 60, a moving connecting plate 59 capable of moving left and right is arranged in the moving connecting cavity 60, the front end surfaces of the moving connecting plate 59 on the left and right sides are fixedly connected with the rear end surfaces of the moving connecting rods 26 on the left and right sides respectively, the rear wall in the moving connecting cavity 60 on the left and right sides is rotatably provided with a same moving rotating shaft 58, the outer circular surface of the moving rotating shaft 58 is fixedly connected with moving threaded sleeves 57 with opposite threads in the moving connecting cavity 60 on the left and right sides, and the moving connecting plates 59 on the left and right sides are respectively in threaded connection with the moving threaded sleeves 57 on the left and right sides.

Beneficially, a transmission pulley cavity 62 is arranged in the left wall of the left side of the movable connecting cavity 60, the left end face of the movable rotating shaft 58 extends leftwards into the transmission pulley cavity 62 and is fixedly connected with a transmission pulley 61, a rotary pull rope 63 is fixedly connected to the outer circular surface of the transmission pulley 61, the rotary pull rope 63 is connected with the connecting pull rope 64, and a reset torsion spring 79 is fixedly connected between the left end face of the transmission pulley 61 and the end face of the left wall of the transmission pulley cavity 62.

Beneficially, five supporting lifting pull ropes 19 distributed from left to right in a matrix arrangement are fixedly connected between the lower end face of the lifting plate and the lower wall end face of the lifting cavity 18, four lifting pull ropes 13 distributed from left to right in a matrix arrangement are fixedly connected to the lower end face of the lifting plate, four lifting cavities 15 with upward openings are arranged in the front, back, left and right walls of the lifting cavity 18, a protection plate 16 capable of moving up and down is arranged in each lifting cavity 15, lifting springs 14 are fixedly connected between the lower end faces of the left and right protection plates 16 and the lower wall end face of the lifting cavity 15, lifting pull ropes 13 are fixedly connected to the lower end faces of all the protection plates 16, and all the lifting pull ropes 13 are respectively connected with all the connecting pull ropes 20.

The use steps herein are described in detail below with reference to fig. 1-6:

during initial operating condition, lift the lifter plate and be located upper limit position, lift backup pad 21 and be located lower limit position, support dress cardboard 23 and be located and lift chamber 43 one side near, moving connecting rod 26 is located and is close to moving connecting rod 26 one side, and draw-in groove fixed plate 29 dress card is in dress draw-in groove 28, and moving connecting plate 59 is located and is close to lift chamber 43 one side.

When the lifting device works, the lifting device main body 11 is pushed to a place needing lifting work, decoration goods needing lifting transportation are placed on the upper end surface of the lifting plate, the lifting plate overcomes the elastic action of all supporting lifting pull ropes 19 due to the gravity action of the goods and moves downwards, the lifting plate moves downwards, all connecting pull ropes 20 are connected with all lifting pull ropes 13 without tensioning, the protection plate 16 moves upwards due to the elastic action of the lifting spring 14, the decoration goods are protected, when workers lift, the turnover plate 34 rotates downwards by stepping downwards, the turnover plate 34 rotates to drive the turnover cylinder 33 to rotate anticlockwise through fixed connection, the turnover cylinder 33 drives the turnover support shaft 32 to rotate anticlockwise, the turnover support shaft 32 rotates to drive the reel 66 to overcome the torsional elasticity of the rotary torsion spring 80, at the moment, the wire wheel 66 rotates to loosen the connecting pull rope 64 wound on the outer circular surface of the wire wheel 66, at the moment, the connecting pull rope 64 is not tensioned with the rotating pull rope 63, at the moment, the transmission wire wheel 61 rotates under the elastic action of the reset torsion spring 79 and drives the movable rotating shaft 58 to rotate, at the moment, the movable rotating shaft 58 rotates to drive the movable threaded sleeves 57 on the left and right sides to rotate, at the moment, the movable threaded sleeves 57 rotate to drive the movable connecting plate 59 to move towards one side far away from the lifting and lifting cavity 43 through threaded connection, at the moment, the movable connecting plate 59 drives the movable connecting rod 26 to overcome the elastic action of the clamping and moving spring 25 to move towards one side far away from the lifting and lifting cavity 43 through fixed connection, at the same time, the movable connecting rod 26 drives the supporting and clamping plate 23 to move through fixed connection, at the moment, the clamping groove fixing plate 29 and the clamping groove 28 are not clamped any more, and then the lifting and the supporting plate 21 moves downwards under the action of gravity and makes the lower end surface abut against the upper end surface of the gravity detector 30, if the gravity detector 30 controls the switching motor 75 not to be started when the weight of the heavy object to be lifted is detected to be not high, then the decorating worker rotates the hand-operated rotary drum 42, then the hand-operated rotary drum 42 drives the hand-operated support plate 41 to rotate, the hand-operated support plate 41 drives the hand-operated rotary disc 40 to rotate through the fixed connection, the hand-operated rotary disc 40 drives the rotary wire wheel 36 to rotate through the transmission of the power working plate 39, at the same time, the rotary wire wheel 36 rotates through the transmission of the rotating shaft 47 to drive the lifting wheel 46 to rotate by pulling the telescopic connecting cable 35 and winding the telescopic connecting cable 35 on the outer circumferential surface of the rotary wire wheel 36, simultaneously, the telescopic connecting cable 35 pulls the connecting cable 50 and drives the lifting power wheel 49 to rotate, at the same time, the lifting power wheel 49 rotates and drives the lifting wheel 46 to rotate through the transmission of the rotating shaft 47, at the same time, the lifting cable 45 is pulled by the lifting cable 45 and the lifting fixing plate 44 are fixedly connected to pull the lifting plate 44 to move upwards, at the moment, the lifting fixing plate 44 drives the lifting connecting plate 56 to move upwards through fixed connection, at the moment, the lifting connecting plate 56 drives the lifting supporting plate 21 to move upwards through fixed connection, the effect of manual lifting and lifting is achieved, then, after the lifting supporting plate 21 moves upwards to drive the lifting plate 12 to move to a proper position, a finishing worker stops treading on the turnover plate 34, at the moment, the wire wheel 66 rotates and resets due to the torsional force of the rotating torsion spring 80 and pulls the connecting pull rope 64, at the moment, the connecting pull rope 64 pulls the transmission wire wheel 61 and the reset torsion spring 79 to have torsional elastic effect, the transmission wire wheel 61 rotates reversely and drives the moving rotating shaft 58 to rotate reversely, at the moment, the moving rotating shaft 58 rotates reversely to enable the left and right side moving connecting plates 59 to move and reset, at the moment, the moving connecting plate 59 resets to drive the moving connecting rod 26 to reset, the supporting clamping plate 23 resets, and all the connecting pull ropes 20 and the clamping grooves 28 are clamped again, the effect of supporting the lifting support plate 21 is achieved, the lifting support plate 12 of the lifting support plate 21 is more stable, when the gravity detector 30 detects that the weight of a heavy object lifted by the lifting support plate 21 is larger, the switching motor 75 is started to rotate forward to drive the switching threaded shaft 77 to rotate, the switching threaded shaft 77 drives the switching movable plate 76 to move backward through threaded connection, the switching movable plate 76 drives the switching movable plate 67 to move backward through fixed connection, the switching movable plate 67 drives the power-assisted rotating wheel 69 to move backward through the support rotating shaft 68 and pushes the lifting power-assisted plate 74 to move backward, the power-assisted rotating wheel 69 moves and clamps the power-assisted connecting plate 71 through the power-assisted connecting cavity 70, the clamping lifting plate 54 moves into the lifting clamping groove 55 and clamps, and then during the rotation of the lifting power wheel 49, the lifting power wheel 49 drives the power-assisted connecting plate 71 to rotate through the power-assisted transmission shaft 72, the boosting connecting plate 71 and the boosting connecting cavity 70 are clamped to drive the boosting rotating wheel 69 to rotate, the boosting rotating wheel 69 rotates to pull the power cable 51 and is wound on the outer circular surface of the boosting rotating wheel 69, meanwhile, the power cable 51 pulls the boosting fixing plate 73 to move upwards through fixed connection, meanwhile, the boosting fixing plate 73 is fixedly connected with the lifting boosting plate 74 to drive the lifting boosting plate 74 to move, the clamping lifting plate 54 and the lifting clamping groove 55 are clamped to further lift the boosting lifting connecting plate 56 to move upwards, the effect of lifting heavy objects through two lifting cables is achieved when heavy decoration objects are lifted, and the service life of a single lifting cable is prolonged.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fitment lifts by crane equipment with hand cranking formula, includes and lifts by crane the equipment main part, its characterized in that: the lifting equipment comprises a lifting equipment main body, wherein a lifting supporting cavity with opposite upward openings is arranged in the lifting equipment main body, a lifting supporting plate capable of moving up and down is arranged in the lifting supporting cavity, the upper end face of the lifting supporting plate upwards extends to the upper end face of the lifting equipment main body and is fixedly connected with a lifting plate, a lifting cavity with an upward opening is arranged in the lifting plate, a lifting plate capable of moving up and down is arranged in the lifting cavity, the left wall and the right wall of the lifting supporting cavity are communicated with clamping fixing cavities, the left end face and the right end face of the lifting supporting plate are fixedly provided with clamping groove fixing plates which are distributed in a matrix arrangement from top to bottom at the lower side in the clamping fixing cavities, one sides of the left clamping fixing cavity and the right clamping fixing cavities, far away from the lifting supporting clamping cavities are communicated with a movable clamping cavity, the left clamping cavity and the right clamping cavity are provided with supporting clamping plates which can move left and right and are symmetrical with respect to the lifting supporting cavity, the lifting clamping plate is internally provided with clamping grooves with inward openings, the clamping grooves are distributed in a matrix arrangement from top to bottom on the end surface of one side close to the lifting cavity, the lower wall of the lifting cavity is fixedly provided with a gravity detector, the inner wall of the lifting cavity is communicated with a lifting cavity, the lifting cavity is internally provided with a lifting connecting plate capable of moving up and down, the rear end surface of the lifting connecting plate is fixedly connected with the lower side of the front end surface of the lifting support plate, the front end surface of the lifting connecting plate is provided with a lifting clamping groove with a forward opening, the upper end surface of the lifting connecting plate is fixedly connected with a lifting fixing plate, the upper side of the inner wall of the lifting cavity is rotatably provided with a lifting wheel, the outer circular surface of the lifting wheel is fixedly connected with a lifting cable, the lifting cable is fixedly connected with the lifting fixing plate, the front end surface of the lifting wheel is fixedly connected with an axis rotating shaft, the front wall of the lifting cavity is communicated with a switching cavity, a switching moving plate capable of moving back and forth is arranged in the switching cavity, a lifting boosting plate is fixedly arranged on the lower side of the front end face of the switching moving plate, the rear end face of the lifting assisting plate is fixedly connected with a clamping lifting plate with the size equal to the shape and the size of the lifting clamping groove, the upper end surface of the lifting power-assisted plate is fixedly connected with a power-assisted fixing plate, the upper wall in the switching cavity is rotatably provided with a power-assisted rotating wheel, the front end surface of the boosting rotating wheel is fixedly connected with a supporting rotating shaft which is rotatably connected with the upper end of the switching movable plate, the outer circular surface of the power-assisted rotating wheel is fixedly connected with a power cable which is fixedly connected with the power-assisted fixing plate, the front end surface in the lifting equipment main body is fixedly connected with a power working plate, a rotating cavity is arranged in the power working plate, the rotating cavity is rotatably provided with a rotating wire wheel, and the outer circular surface of the rotating wire wheel is fixedly connected with a telescopic connecting cable.

2. The finishing hand-rocking lifting apparatus of claim 1, wherein: rotate line wheel up end axle center fixed connection and have the power axis of rotation, power axis of rotation up end upwards extends to the hand carousel of power working plate top and fixedly connected with, the hand backup pad of hand carousel up end right side fixedly connected with, the outer disc of hand backup pad rotates the cover and is equipped with hand rotary drum.

3. The finishing hand-rocking lifting apparatus as claimed in claim 2, wherein: lift by crane equipment main part left end and be located power work board below is equipped with opening upset chamber left, the upside rotates and is equipped with the upset back shaft around the upset intracavity between two walls, the outer disc fixedly connected with upset drum of upset back shaft, the outer disc left side fixedly connected with returning face plate of upset drum, be equipped with the line wheel chamber in the upset chamber back wall, upset back shaft rear end face backward extend to line wheel intracavity and fixedly connected with line wheel, the outer disc fixedly connected with of line wheel connects the stay cord, line wheel rear end face with fixedly connected with rotates the torsional spring between the line wheel chamber rear wall terminal surface.

4. A finishing hand-rocking lifting apparatus as claimed in claim 3, wherein: the lifting power wheel switching mechanism is characterized in that a lifting rotating wheel cavity is formed in the upper wall of the lifting cavity and located in the upper wall of the switching cavity, the front end face of the rotating shaft extends forwards to the lifting rotating wheel cavity and is fixedly connected with a lifting power wheel, a connecting cable is fixedly connected to the outer circular face of the lifting power wheel and is connected with a telescopic connecting cable, a power-assisted transmission shaft is fixedly connected to the axis of the front end face of the lifting power wheel, the front end face of the power-assisted transmission shaft extends forwards to the switching cavity and is fixedly connected with a power-assisted connecting plate, the rear end face of the power-assisted rotating wheel is provided with a power-assisted connecting cavity with a backward opening, and the power-assisted connecting plate is the same in shape and size as the power-assisted connecting cavity.

5. The finishing hand-rocking lifting apparatus of claim 4, wherein: the switching mechanism is characterized in that a switching moving cavity is communicated with the lower wall of the switching moving cavity, a switching threaded shaft is rotatably arranged between the front wall and the rear wall of the switching moving cavity, a switching moving plate capable of moving back and forth is arranged in the switching moving cavity, the switching moving plate is in threaded connection with the switching threaded shaft, the upper end face of the switching moving plate is fixedly connected with the lower end face of the switching moving plate, a switching motor is fixedly arranged in the front wall of the switching moving cavity, and the front end of the switching threaded shaft is in power connection with the switching motor.

6. The hand-operated lifting apparatus for finishing work as claimed in claim 5, wherein: the left and right sides remove the clamping chamber and keep away from lift chamber one side end wall intercommunication is equipped with the clamping and removes the chamber, the clamping removes the intracavity and is equipped with the movable connecting rod that removes about can, the left and right sides movable connecting rod is close to lift chamber one side terminal surface with support the clamping board and keep away from lift chamber one side terminal surface fixed connection, the left and right sides movable connecting rod keeps away from lift chamber one side terminal surface with the clamping removes the chamber and keeps away from lift fixedly connected with clamping removal spring between chamber one side end wall.

7. The finishing hand-rocking lifting apparatus of claim 6, wherein: the left and right sides clamping removes the chamber antetheca intercommunication and is equipped with the removal and connects the chamber, be equipped with the removal connecting plate that removes about can removing in the removal connection chamber, the left and right sides before the removal connecting plate terminal surface respectively with the left and right sides removal connecting rod rear end face fixed connection controls about the removal is connected intracavity back wall and is rotated and is equipped with same removal pivot, remove the outer disc of pivot and be located the left and right sides removal connection intracavity fixedly connected with opposite removal threaded sleeve of screw thread, the left and right sides removal connecting plate respectively with the left and right sides removal threaded sleeve threaded connection.

8. The finishing hand-rocking lifting apparatus of claim 7, wherein: the left side be equipped with drive line wheel chamber in the mobile connection chamber left wall, it extends to remove pivot left end face left the drive line takes turns intracavity and fixedly connected with drive line wheel, the outer disc fixedly connected with of drive line wheel rotates the stay cord, rotate the stay cord with it connects to connect the stay cord, drive line wheel left end face with fixedly connected with reset torsion spring between the drive line wheel chamber left wall terminal surface.

9. The finishing hand-rocking lifting apparatus of claim 8, wherein: lift under the lifter plate terminal surface with lift five supports that fixedly connected with arranged the distribution from a left side to right matrix between the chamber lower wall terminal surface and lift the stay cord, lift lifter plate lower terminal surface fixedly connected with from a left side to right matrix arrange four lift stay cords that distribute, it is equipped with four ascending lift chambeies of opening in the chamber all around to lift, the lift intracavity is equipped with the protection shield that can reciprocate, controls under the protection shield terminal surface with fixedly connected with lift spring, all between the chamber lower wall terminal surface lift stay cord under the protection shield terminal surface fixedly connected with, all the lift stay cord respectively with all connect the stay cord and connect.