CN114772449A

CN114772449A - Electric control gantry crane lifting appliance and use method thereof

Info

Publication number: CN114772449A
Application number: CN202210367218.5A
Authority: CN
Inventors: 郑涛; 吕晖; 杨晓刚; 乐君君; 虞伟刚; 黄宏伟; 曹毅; 裘孟英; 李凯
Original assignee: Ningbo Gangji Terminal Operators Co Ltd
Current assignee: Ningbo Gangji Terminal Operators Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-22

Abstract

The invention relates to the field of lifting appliances, in particular to an electric control gantry crane lifting appliance and a using method thereof, wherein the electric control gantry crane lifting appliance comprises a lifting appliance base, a wheel disc and a fixed base are fixedly arranged at the lower side of the lifting appliance base, at least two guide posts are arranged on the wheel disc in an encircling manner, one ends of the guide posts are rotatably connected with the wheel disc, one ends of the guide posts are also connected with a driving assembly for driving the guide posts to rotate, guide sleeve posts are sleeved at the other ends of the guide posts, lifting hooks are connected with the guide sleeve posts, rope grooves are formed in the guide posts, pull ropes are slidably arranged in the rope grooves, rope pulleys are rotatably arranged on the fixed base, first torsion springs are arranged between the rope pulleys and the fixed base, the invention aims to overcome the defects of the prior art and provide the electric control gantry crane lifting appliance and the using method thereof, the rotation angle of the lifting hooks can be directly controlled by a motor to hook goods, and simultaneously, the multi-hook lifting appliance is adopted to hook the goods so as to stably hook the goods.

Description

Electric control gantry crane lifting appliance and using method thereof

Technical Field

The invention relates to the field of lifting appliances, in particular to an electric control gantry crane lifting appliance and a using method thereof.

Background

The bridge crane sling is a medium for connecting goods and a bridge crane in the loading and unloading operation, is the medium strength of goods transportation, and the structure and the function of the bridge crane sling directly influence the goods transportation efficiency.

In the prior art, the bridge crane sling is divided into a clamping type sling and a hook type sling according to the hoisting type, the clamping type sling is suitable for goods with regular shapes, such as containers, wooden boxes and the like, has certain limitation in use, the hook-type lifting appliance is mainly used for carrying heavy objects with irregular shapes, such as floating docks, steel coils and the like, the hook-type lifting appliance is convenient and quick to hook in the using process, but the existing hook-type lifting appliances are mostly single-hook lifting appliances, because of the single hook, the shaking of the hook in the hooking process can lead to unstable hooking, and the operation is difficult because the steel cable is used for controlling the hook to hook and take goods, therefore, how to design an electric control gantry crane lifting appliance and a using method thereof can directly control the rotation angle of a lifting hook through a motor to hook goods, meanwhile, the technical problem to be solved urgently by the technical personnel in the field is that the multi-hook lifting appliance is adopted to hook the goods so as to stably hook the goods.

Disclosure of Invention

In view of this, the present invention provides an electrically controlled gantry crane spreader and a method for using the same, which overcome the disadvantages of the prior art, and can hook a cargo by directly controlling the rotation angle of a hook through a motor, and simultaneously hook the cargo by using a multi-hook spreader to stably hook the cargo.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a hoisting tool for electrically controlled gantry crane is composed of a hoisting tool holder with wheel disk and fixing seat, the wheel disc is provided with at least two guide posts on a ring, one end of each guide post is rotationally connected with the wheel disc, one end of the guide post is also connected with a driving component for driving the guide post to rotate, the other end of the guide post is sleeved with a guide sleeve post, the guide sleeve column is connected with a lifting hook, a rope groove is arranged in the guide column, a pull rope is arranged in the rope groove in a sliding way, a rope wheel is rotatably arranged on the fixed seat, a first torsion spring is arranged between the rope wheel and the fixed seat, one end of the first torsion spring is fixedly connected with the rope wheel, the other end of the first torsion spring is fixedly connected with the fixed seat, one end of the pull rope is wound on the rope wheel, and the other end of the pull rope is fixedly connected with the guide sleeve column.

Compared with the prior art, the invention has the advantages that:

when the invention needs to use the hanger seat, the hanger seat is hoisted to be placed above the goods, one of the hooks is close to the goods, the guide post is driven to rotate by the driving component, the guide post drives the hook to hook the goods by the guide sleeve post, the hanger seat is hoisted to move, in the process, as one of the hooks the goods, the guide post is separated from the sleeve connection with the guide sleeve post, the wheel disc and the fixed seat are driven to move in the process of moving the hanger seat, the rope wheel is driven to rotate by the rope pulling, in the process, the first torsion spring is compressed, the hanger seat moves to the other side of the goods, the driving component drives the other guide post to rotate, the other guide post drives the other hook to hook the goods by the other guide sleeve post, the operation is referred to, the plurality of positions where the hooks hook the goods to hoist the goods, after the goods are hoisted, the hooks are manually removed, the first torsion spring is reset, the first torsion spring drives the rope wheel to rotate, the stay cord twines in the rope sheave outside, and the stay cord drives the uide bushing post and removes, and the uide bushing post cup joints with the uide bushing post, and the guide awl post is accomodate in multilateral inslot portion with multilateral post once more. .

Furthermore, the guide column comprises a polygonal column, a polygonal groove for accommodating the polygonal column is formed in the guide sleeve column, the pull rope penetrates out of the bottom of the polygonal column and is fixedly connected with the bottom of the polygonal groove, and the polygonal column is arranged to be sleeved with the polygonal groove in order to enable the guide column to be sleeved with the guide sleeve column.

Furthermore, the guide column also comprises a guide conical column, the diameter of the guide conical column is gradually increased from bottom to top, the end with the larger diameter of the guide conical column is fixedly connected with the polygonal column, the pull rope penetrates out of the bottom of the guide conical column and is fixedly connected with the bottom of the polygonal groove, and the guide conical column is arranged to guide the polygonal column to enter the polygonal groove.

Furthermore, a rotating motor is arranged between the wheel disc and the lifting appliance seat, the rotating motor comprises a corner base and a corner shaft, the corner base is arranged on the lifting appliance seat, the corner shaft is fixedly connected with the wheel disc, and the relative rotation of the wheel disc and the lifting appliance seat is controlled through the arrangement of the rotating motor.

Furthermore, the driving assembly comprises a driving motor and a worm wheel, one end of the guide post is fixedly connected with the worm wheel, the driving motor comprises a driving base and a driving shaft, the driving base is arranged on the lifting appliance seat, the driving shaft is connected with a worm which is used for being meshed with the worm wheel, and the guide post is driven through the arrangement of the worm and the worm wheel.

Furthermore, the hook-shaped end of the lifting hook is fixedly connected with the guide sleeve column, the hook-shaped other end of the lifting hook is provided with a barb, and the cargo is prevented from unhooking when being shaken through the barb.

Furthermore, be equipped with non return pole on the uide bushing post, non return pole one end with the uide bushing post rotates to be connected, the non return pole other end with the barb butt realizes sealing and then preventing the goods unhook to the lifting hook through setting up of non return pole.

Further, it is equipped with trapezoidal post to slide on the fixing base, trapezoidal post with be equipped with the pressure spring between the fixing base, the pressure spring both ends respectively with the fixing base with trapezoidal post is connected, the rope sheave side ring is equipped with a plurality of spacing grooves that are used for holding trapezoidal post, trapezoidal post has two kinds of states, spacing state and contraction state, during spacing state, trapezoidal post hold in spacing inslot portion, during the contraction state, the rope sheave passes through the inclined plane of trapezoidal post promotes trapezoidal post slides and follows spacing inslot portion is deviate from, the pressure spring compression realizes the non return effect to the rope sheave through the setting of trapezoidal post and pressure spring.

Further, the inside spout of having seted up of fixing base, the inside indisputable block that still is equipped with of spout, indisputable block one end with trapezoidal post fixed connection, the indisputable block other end with pressure spring one end fixed connection, the pressure spring other end with fixing base fixed connection, the inside electro-magnet that still inlays to be equipped with and is used for attracting of fixing base the reset of the setting control rope sheave through indisputable block and electro-magnet.

A use method of an electric control gantry crane sling comprises the following use steps:

the method comprises the following steps: when the lifting appliance seat is required to be used, the lifting appliance seat is placed above the goods, one of the lifting hooks is close to the goods, the worm is controlled to rotate through the driving motor, the worm drives the guide sleeve column to rotate through the worm wheel, the guide sleeve column drives the lifting hook to hook the goods, in the process, the goods push the non-return rod to turn over, the second torsion spring is twisted, when the goods is separated from the non-return rod, the second torsion spring resets, and the non-return rod and the barb prevent the goods from unhooking.

Step two: hoist and mount hoist seat removes, because one of them lifting hook gets the goods, the guide post breaks away from with the uide bushing post and cup joints, hoist seat removes in-process drive rim plate and fixing base and removes, the stay cord drives the rope sheave and rotates, in this process, first torsion spring compression, the inclined plane and the rope sheave butt of trapezoidal post push the trapezoidal post under the rotation effect of rope sheave and slide, the compression of second torsion spring, trapezoidal post is constantly deviate from a spacing inslot and gets into adjacent spacing inslot portion, when rope sheave stall, first torsion spring has the trend that drives the reversal of rope sheave, because trapezoidal post is located the spacing inslot portion, trapezoidal post restriction rope sheave rotates, the inside tension of stay cord disappears.

Step three: the hoist seat removes to the goods opposite side, it rotates with the fixing base to rotate motor control wheel dish, the worm meshes with another worm wheel, driving motor secondary control worm rotates, the worm drives another uide bushing post through another worm wheel and rotates, another uide bushing post drives another lifting hook and gets the goods, the barb prevents the goods unhook, refer to above operation, make a plurality of lifting hooks collude a plurality of positions hoist and mount goods of getting the goods, after goods hoist and mount are accomplished, the lifting hook is taken off to the manual work, the electro-magnet promotes and attracts the indisputable block, the compression spring compression, the indisputable block drives trapezoidal post and deviates from the spacing inslot portion, first torsion spring resets, first torsion spring drives the rope sheave and rotates, the stay cord twines in the rope sheave outside, the stay cord drives the uide bushing post and removes, the uide bushing post cup joints with the uide bushing post, the guide awl post is accomodate in multilateral inslot portion once more with the multilateral post.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic axial side half-section of the present invention;

FIG. 4 is a front half-section schematic view of the present invention;

FIG. 5 is a schematic view of the structure of the guide post and the guide sleeve of the present invention;

FIG. 6 is a schematic view of a half-section structure of the guide post and the guide sleeve of the present invention;

fig. 7 is a cross-sectional view of the fixed base and the sheave of the present invention.

Reference numerals: 10. a hanger seat; 11. a wheel disc; 12. rotating the motor; 13. a drive motor; 14. a worm; 15. a worm gear; a fixed seat 16 and a fixed seat; 20. a guide post; 21. a guide sleeve column; 22. a hook; 23. a barb; 24. pulling a rope; 25. a sheave; 26. a first torsion spring; 30. a guide cone post; 31. a polygonal column; 32. a check rod; 33. a second torsion spring; 40. a limiting groove; 41. a trapezoidal column; 42. an iron slide block; 43. a pressure spring; 44. a chute; 45. an electromagnet.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

Referring to fig. 1 and 2, in the embodiment, an electrically controlled gantry crane spreader and a using method thereof are provided, a motor can directly control a corner of a lifting hook to hook a cargo, and a multi-hook spreader is used to hook the cargo to stably hook the cargo.

An electric control gantry crane lifting appliance and a using method thereof comprise a lifting appliance base 10, wherein a wheel disc 11 and a fixed seat 16 are fixedly arranged on the lower side of the lifting appliance base 10, at least two guide posts 20 are annularly arranged on the wheel disc 11, one ends of the guide posts 20 are rotatably connected with the wheel disc 11, one ends of the guide posts 20 are further connected with a driving assembly for driving the guide posts 20 to rotate, the other ends of the guide posts 20 are sleeved with guide sleeve posts 21, the guide sleeve posts 21 are connected with lifting hooks 22, rope grooves are formed in the guide posts 20, pull ropes 24 are slidably arranged in the rope grooves, rope wheels 25 are rotatably arranged on the fixed seat 16, first torsion springs 26 are arranged between the rope wheels 25 and the fixed seat 16, one ends of the first torsion springs 26 are fixedly connected with the rope wheels 25, the other ends of the first torsion springs 26 are fixedly connected with the fixed seat 16, one ends of the pull ropes 24 are wound on the rope wheels 25, the other end of the pull rope 24 is fixedly connected with the guide sleeve column 21.

Specifically, the method comprises the following steps:

as shown in fig. 5 and 6, in order to complete the sleeve 5 between the guide post 20 and the guide sleeve post 21, the guide post 20 includes a polygonal post 31, the guide sleeve post 21 is provided with a polygonal groove for accommodating the polygonal post 31, the pull rope 24 penetrates from the bottom of the polygonal post 31 to be fixedly connected with the bottom of the polygonal groove, and the polygonal post 31 is sleeved with the polygonal groove in order to complete the sleeve connection between the guide post 20 and the guide sleeve post 21.

As shown in fig. 5 and 6, in order to guide the polygonal column 31 into the polygonal groove, the guide column 20 further includes a guide cone column 30, the diameter of the guide cone column 30 gradually increases from bottom to top, the end of the guide cone column 30 with the larger diameter is fixedly connected to the polygonal column 31, the pull rope 24 penetrates from the bottom of the guide cone column 30 and is fixedly connected to the bottom of the polygonal groove, and the guide cone column 30 is arranged to guide the polygonal column 31 into the polygonal groove.

Referring to fig. 3 and 4, in order to control the relative rotation between the wheel disc 11 and the hanger base 10, a rotating motor 12 is disposed between the wheel disc 11 and the hanger base 10, the rotating motor 12 includes a corner base and a corner shaft, the corner base is disposed on the hanger base 10, the corner shaft is fixedly connected to the wheel disc 11, and the relative rotation between the wheel disc 11 and the hanger base 10 is controlled by the rotation of the rotating motor 12.

Referring to fig. 3 and 4, in order to drive the guide post 20, the driving assembly includes a driving motor 13 and a worm wheel 15, one end of the guide post 20 is fixedly connected to the worm wheel 15, the driving motor 13 includes a driving base and a driving shaft, the driving base is disposed on the hanger base 10, the driving shaft is connected to a worm 14 engaged with the worm wheel 15, and the guide post 20 is driven by the arrangement of the worm 15 and the worm wheel 14.

As shown in fig. 1 and 4, in order to prevent the cargo from unhooking during shaking, the hook-shaped end of the hook 22 is fixedly connected with the guide sleeve column 21, the hook-shaped other end of the hook 22 is provided with a barb 23, and the cargo is prevented from unhooking during shaking by the barb 23.

As shown in fig. 3 and 4, in order to prevent the cargo from unhooking, a check rod 32 is arranged on the guide sleeve column 21, one end of the check rod 32 is rotatably connected with the guide sleeve column 21, the other end of the check rod 32 is abutted to the barb 23, and the check rod 32 is arranged to seal the hook 22 so as to prevent the cargo from being unhooked.

Combine fig. 3 and fig. 7 to show, in order to the non return that carries out of rope sheave 25, the smooth trapezoidal post 41 that is equipped with of fixing base 16, trapezoidal post 41 with be equipped with pressure spring 43 between the fixing base 16, pressure spring 43 both ends respectively with fixing base 16 with trapezoidal post 41 is connected, rope sheave 25 side ring is equipped with a plurality ofly and is used for holding trapezoidal post 41's spacing groove 40, trapezoidal post 41 has two kinds of states, and spacing state and shrink state, during spacing state, trapezoidal post 41 hold in inside the spacing groove 40, during the shrink state, rope sheave 25 passes through trapezoidal post 41's inclined plane promotes trapezoidal post 41 slides and follows spacing groove 40 is inside is deviate from, the compression of pressure spring 43 realizes the non return effect to rope sheave 25 through the setting of trapezoidal post 41 with pressure spring 43.

Combine fig. 3 and fig. 7 to show, in order to reset rope sheave 25, spout 44 has been seted up to fixing base 16 is inside, the inside indisputable slider 42 that still is equipped with of spout 44, indisputable slider 42 one end with trapezoidal post 41 fixed connection, the indisputable slider 42 other end with pressure spring 43 one end fixed connection, the pressure spring 43 other end with fixing base 16 fixed connection, fixing base 16 is inside still to be inlayed and is used for attracting indisputable slider 42's electro-magnet 45, through the reset of indisputable slider 42 and electro-magnet 45's setting control rope sheave 25.

A using method of an electric control gantry crane lifting appliance comprises the following using steps:

the method comprises the following steps: when the lifting appliance base 10 needs to be used, the lifting appliance base 10 is placed above the goods, one of the lifting hooks 22 is close to the goods, the worm 14 is controlled to rotate through the driving motor 13, the worm 14 drives the guide sleeve column 21 to rotate through the worm wheel 15, the guide sleeve column 21 drives the lifting hook 22 to hook the goods, in the process, the goods push the check rod 32 to overturn, the second torsion spring 33 is twisted, when the goods is separated from the contact with the check rod 32, the second torsion spring 33 resets, and the check rod 32 and the barb 23 prevent the goods from being unhooked.

Step two: the hoisting hanger seat 10 moves, goods are taken by the hook 22, the guide post 20 is separated from the guide sleeve post 21 and sleeved, the wheel disc 11 and the fixing seat 16 are driven to move in the moving process of the hanger seat 10, the rope pulley 25 is driven to rotate by the rope pulling 24, in the process, the first torsion spring 26 is compressed, the inclined surface of the trapezoidal post 41 is abutted to the rope pulley 25 and pushes the trapezoidal post 41 to slide under the rotating action of the rope pulley 25, the second torsion spring 43 is compressed, the trapezoidal post 41 continuously separates from the inside of one limiting groove 40 and enters the inside of the adjacent limiting groove 40, when the rope pulley 25 stops rotating, the first torsion spring 26 has the tendency of driving the rope pulley 25 to rotate reversely, the trapezoidal post 41 is located in the inside of the limiting groove 40, the trapezoidal post 41 limits the rope pulley 25 to rotate, and the internal tension of the rope pulling 24 disappears.

Step three: the lifting appliance base 10 moves to the other side of the goods, the rotating motor 12 controls the wheel disc 11 and the fixed base 16 to rotate, the worm 14 is meshed with the other worm wheel 15, the driving motor 13 controls the worm 14 to rotate again, the worm 14 drives the other guide sleeve column 21 to rotate through the other worm wheel 15, the other guide sleeve column 21 drives the other lifting hook 22 to hook and take goods, the barb 23 prevents the goods from unhooking, according to the above operation, the lifting hooks 22 hook and take the goods at a plurality of positions, and after the goods are lifted, the lifting hook 22 is manually taken down, the electromagnet 45 pushes and attracts the iron sliding block 42, the pressure spring 43 is compressed, the iron sliding block 42 drives the trapezoidal column 41 to be separated from the inside of the limiting groove 40, the first torsion spring 26 is reset, the first torsion spring 26 drives the rope wheel 25 to rotate, the pull rope 24 is wound on the outer side of the rope wheel 25, the pull rope 24 drives the guide sleeve column 21 to move, the guide column 20 is sleeved with the guide sleeve column 21, and the guide conical column 30 and the polygonal column 31 are accommodated in the polygonal groove again.

The implementation principle is as follows:

The above are only exemplary embodiments of the present invention, and other embodiments of the present invention may be made, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of the present invention.

Claims

1. The utility model provides an electric control portal crane hoist, includes hoist seat (10), its characterized in that, hoist seat (10) downside has set firmly rim plate (11) and fixing base (16), rim plate (11) are fitted with a contraceptive ring and are equipped with two at least guide post (20), guide post (20) one end with rim plate (11) rotate to be connected, guide post (20) one end still is connected with and is used for the drive guide post (20) pivoted drive assembly, guide post (20) other end has cup jointed uide bushing post (21), uide bushing post (21) are connected with lifting hook (22), the inside grooving that has seted up of guide post (20), the grooving internal slipping is equipped with stay cord (24), rotate on fixing base (16) and be equipped with rope sheave (25), be equipped with first torsional spring (26) between rope sheave (25) and fixing base (16), first torsional spring (26) one end with rope sheave (25) fixed connection, the other end of the first torsion spring (26) is fixedly connected with the fixed seat (16), one end of the pull rope (24) is wound on the rope wheel (25), and the other end of the pull rope (24) is fixedly connected with the guide sleeve column (21).

2. The electric control gantry crane hanger according to claim 1, wherein the guide column (20) comprises a polygonal column (31), a polygonal groove for accommodating the polygonal column (31) is formed in the guide sleeve column (21), and the pull rope (24) penetrates through the bottom of the polygonal column (31) and is fixedly connected with the bottom of the polygonal groove.

3. The electric control gantry crane hanger according to claim 2, wherein the guide post (20) further comprises a guide cone post (30), the diameter of the guide cone post (30) is gradually increased from bottom to top, the end of the guide cone post (30) with the larger diameter is fixedly connected with the polygonal post (31), and the pull rope (24) penetrates through the bottom of the guide cone post (30) and is fixedly connected with the bottom of the polygonal slot.

4. The electric control gantry crane lifting appliance according to claim 1, wherein a rotating motor (12) is arranged between the wheel disc (11) and the lifting appliance base (10), the rotating motor (12) comprises a corner base and a corner shaft, the corner base is arranged on the lifting appliance base (10), and the corner shaft is fixedly connected with the wheel disc (11).

5. A hoist according to claim 4, characterized in that the driving assembly comprises a driving motor (13) and a worm wheel (15), one end of the guide column (20) is fixedly connected to the worm wheel (15), the driving motor (13) comprises a driving base and a driving shaft, the driving base is disposed on the hoist base (10), and the driving shaft is connected to a worm (14) for engaging with the worm wheel (15).

6. The electric control gantry crane lifting appliance according to claim 1, wherein the hook-shaped end of the lifting hook (22) is fixedly connected with the guide sleeve column (21), and the hook-shaped other end of the lifting hook (22) is provided with a barb (23).

7. The electric control gantry crane lifting appliance according to claim 6, wherein a check rod (32) is arranged on the guide sleeve column (21), one end of the check rod (32) is rotatably connected with the guide sleeve column (21), and the other end of the check rod (32) is abutted against the barb (23).

8. The electric control gantry crane sling according to claim 1, wherein a trapezoidal column (41) is slidably arranged on the fixed seat (16), a pressure spring (43) is arranged between the trapezoidal column (41) and the fixed seat (16), two ends of the pressure spring (43) are respectively connected with the fixed seat (16) and the trapezoidal column (41), a plurality of limiting grooves (40) for accommodating the trapezoidal columns (41) are annularly arranged on the side surface of the rope wheel (25), the trapezoidal column (41) has two states, a limiting state and a contraction state, when in the limiting state, the trapezoidal column (41) is accommodated in the limiting groove (40), and when in a contraction state, the rope wheel (25) pushes the trapezoidal column (41) to slide through the inclined plane of the trapezoidal column (41) and is separated from the inner part of the limiting groove (40), and the pressure spring (43) compresses.

9. The electric control gantry crane lifting appliance according to claim 8, wherein a sliding groove (44) is formed in the fixing base (16), an iron slide block (42) is further arranged in the sliding groove (44), one end of the iron slide block (42) is fixedly connected with the trapezoidal column (41), the other end of the iron slide block (42) is fixedly connected with one end of a pressure spring (43), the other end of the pressure spring (43) is fixedly connected with the fixing base (16), and an electromagnet (45) for attracting the iron slide block (42) is further embedded in the fixing base (16).

10. A use method of an electric control gantry crane sling comprises the following use steps:

the method comprises the following steps: when the lifting appliance base (10) needs to be used, the lifting appliance base (10) is lifted above a cargo, one lifting hook (22) is made to be close to the cargo, the worm (14) is controlled to rotate through the driving motor (13), the worm (14) drives the guide sleeve column (21) to rotate through the worm wheel (15), the guide sleeve column (21) drives the lifting hook (22) to hook the cargo, in the process, the cargo pushes the check rod (32) to turn over, the second torsion spring (33) twists, when the cargo is separated from the check rod (32), the second torsion spring (33) resets, and the check rod (32) and the barb (23) prevent the cargo from unhooking;

step two: the hoisting hanger seat (10) moves, because one of the lifting hooks (22) hooks goods, the guide post (20) is separated from the guide sleeve post (21) and is sleeved, the wheel disc (11) and the fixed seat (16) are driven to move in the moving process of the hanger seat (10), the rope pulley (25) is driven to rotate by the pull rope (24), in the process, the first torsion spring (26) is compressed, the inclined plane of the trapezoidal post (41) is abutted against the rope pulley (25) and pushes the trapezoidal post (41) to slide under the rotating action of the rope pulley (25), the second torsion spring (43) is compressed, the trapezoidal post (41) continuously separates from the inside of one limiting groove (40) and enters the inside of the adjacent limiting groove (40), when the rope pulley (25) stops rotating, the first torsion spring (26) has the tendency of driving the rope pulley (25) to reversely rotate, because the trapezoidal post (41) is positioned in the limiting groove (40), the trapezoidal post (41) limits the rope pulley (25) to rotate, the internal tension of the pull rope (24) disappears;

step three: the lifting appliance base (10) moves to the other side of the goods, the rotating motor (12) controls the wheel disc (11) and the fixing base (16) to rotate, the worm (14) is meshed with the other worm wheel (15), the driving motor (13) controls the worm (14) to rotate again, the worm (14) drives the other guide sleeve column (21) to rotate through the other worm wheel (15), the other guide sleeve column (21) drives the other lifting hook (22) to hook goods, the barb (23) prevents the goods from unhooking, according to the above operation, the multiple positions of the goods hooked by the lifting hooks (22) are used for lifting the goods, after the goods are lifted, the lifting hook (22) is manually taken down, the electromagnet (45) pushes and attracts the iron sliding block (42), the pressure spring (43) is compressed, the iron sliding block (42) drives the trapezoid column (41) to be separated from the limiting groove (40), the first torsion spring (26) resets, and the first torsion spring (26) drives the rope pulley (25) to rotate, the pull rope (24) is wound on the outer side of the rope wheel (25), the pull rope (24) drives the guide sleeve column (21) to move, the guide column (20) is sleeved with the guide sleeve column (21), and the guide conical column (30) and the polygonal column (31) are accommodated in the polygonal groove again.