CN210366728U

CN210366728U - Prefabricated part hoisting device

Info

Publication number: CN210366728U
Application number: CN201921093611.XU
Authority: CN
Inventors: 龚培友
Original assignee: Nantong Great Wall Construction Technology Co ltd
Current assignee: Nantong Great Wall Construction Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-21
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a prefab hoisting accessory, including crane main part, the davit that rises, couple, first wire rope and the second wire rope that lifts by crane, the davit is installed to the top of crane main part, and the upper end of the davit that rises is provided with first wire rope that lifts by crane to first wire rope's below of lifting by crane is connected with the movable pulley, the axis of rotation has been run through to the inside of movable pulley, and both ends all are provided with the connecting plate around the axis of rotation, and the below of connecting plate is fixed with the gallows. This prefab hoisting accessory is provided with splint, second connecting axle and torque spring, and the second is lifted by crane wire rope and will stimulate first connecting axle and rotate when the device lifts by crane the prefab for first connecting axle passes through stay cord pulling second connecting axle and drives splint and rotate, makes splint extrude fixedly to the both sides of prefab, improves the overall stability of device.

Description

Prefabricated part hoisting device

Technical Field

The utility model relates to a prefab technical field specifically is a prefab hoisting accessory.

Background

The prefab is one kind and has made good muddy earth building element before site operation, and the wide application plays important role in building, traffic, water conservancy etc. in building material, when the prefab is installed and is used, need to cooperate hoisting accessory to lift by crane it and transport to the mounted position, but current hoisting accessory still has some not enough in the use:

1. the existing hoisting device only hoists the prefabricated member through the hook when hoisting the prefabricated member, does not reinforce the prefabricated member, and the prefabricated member may be loosened with the hook under the influence of wind power during hoisting, so that the device cannot stably hoist the prefabricated member, and the overall stability of the device is reduced;

2. the existing hoisting device mostly directly drives the steel wire rope to wind through the motor when hoisting the prefabricated member, the required traction force is large, the whole energy consumption of the device is increased, and the practicability of the device is reduced.

Aiming at the problems, innovative design is urgently needed on the basis of the original lifting device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefab hoisting accessory to current hoisting accessory takes place to become flexible under the influence of wind-force and between the couple when lifting by crane the prefab on solving the existing market that above-mentioned background art provided, and current hoisting accessory is the great problem of carrying out the rolling, the whole energy consumption of device through the motor directly drive wire rope mostly when lifting by crane the prefab.

In order to achieve the above object, the utility model provides a following technical scheme: a prefabricated part hoisting device comprises a hoisting machine main body, a hoisting arm, a hook, a first hoisting steel wire rope and a second hoisting steel wire rope, wherein the hoisting arm is installed above the hoisting machine main body, the first hoisting steel wire rope is arranged at the upper end of the hoisting arm, a movable wheel is connected below the first hoisting steel wire rope, a rotating shaft penetrates through the movable wheel, connecting plates are arranged at the front end and the rear end of the rotating shaft respectively, a hoisting frame is fixed below the connecting plates, clamping plates are arranged on the left side and the right side of the hoisting frame respectively, a second connecting shaft is connected to the inner side of each clamping plate, a torsion spring is installed on the outer surface of each second connecting shaft, a first connecting shaft penetrates through the middle of the hoisting frame, the second hoisting steel wire rope is connected to the surface of the first connecting shaft, the hook is arranged below the second hoisting steel wire rope, and reels are installed on the surfaces of the first connecting shaft and the second connecting shaft, and the surface of the winding wheel is wound with a pull rope.

Preferably, one end of the first hoisting steel wire rope is fixed at the lower end of the hoisting arm, the other end of the first hoisting steel wire rope winds around the surface of the movable wheel to form movable connection with the movable wheel, and the movable wheel forms rotary connection with the connecting plate through the rotating shaft.

Preferably, the connecting plate and the lifting frame are connected through screws, the lifting frame and the first connecting shaft form a shaft connection, and the first connecting shaft and the reel are integrally connected.

Preferably, the clamping plates are arranged in 2 in a left-right symmetrical mode about the center line of the lifting frame, the 2 clamping plates are connected with the lifting frame in a rotating mode through the second connecting shaft, and the second connecting shaft and the reel are connected integrally.

Preferably, the second connecting shafts are connected with the first connecting shafts through pull ropes on the surfaces of the winding wheels, and the winding directions of the pull ropes on the surfaces of the winding wheels on the 2 second connecting shafts are opposite.

Compared with the prior art, the beneficial effects of the utility model are that: the prefabricated part hoisting device;

(1) the clamping plate, the second connecting shaft and the torsion spring are arranged, when the device lifts the prefabricated part, the second lifting steel wire rope pulls the first connecting shaft to rotate, so that the first connecting shaft pulls the second connecting shaft through the pull rope to drive the clamping plate to rotate, the clamping plate extrudes and fixes two sides of the prefabricated part, more stable support is provided for lifting the prefabricated part, meanwhile, the second connecting shaft can drive the clamping plate to reset under the action of the torsion spring, the subsequent prefabricated part is convenient to disassemble, and the overall stability of the device is improved;

(2) the connecting plate, the movable wheel and the rotating shaft are arranged, the movable wheel is driven by the first hoisting steel wire rope to rotate on the surface of the connecting plate through the rotating shaft in the hoisting process, so that a movable pulley block is formed between the movable wheel and the first hoisting steel wire rope, the driving force required when the first hoisting steel wire rope is wound is reduced, the overall energy consumption of the device is reduced, and the practicability of the device is improved.

Drawings

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

FIG. 2 is a schematic side sectional view of the lifting frame of the present invention;

FIG. 3 is a schematic view of the main section structure of the lifting frame of the present invention;

fig. 4 is the utility model discloses it cuts open structure schematic diagram to get up the gallows.

In the figure: 1. a crane main body; 2. lifting the suspension arm; 3. hooking; 4. a first hoisting wire rope; 5. a second hoisting wire rope; 6. a connecting plate; 7. lifting the hanger; 8. a splint; 9. a first connecting shaft; 10. a movable wheel; 11. a rotating shaft; 12. a second connecting shaft; 13. a reel; 14. pulling a rope; 15. a torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a prefabricated part hoisting device comprises a hoisting machine main body 1, a hoisting arm 2, a hook 3, a first hoisting steel wire rope 4, a second hoisting steel wire rope 5, a connecting plate 6, a hoisting frame 7, a clamping plate 8, a first connecting shaft 9, a movable wheel 10, a rotating shaft 11, a second connecting shaft 12, a reel 13, a pull rope 14 and a torsion spring 15, wherein the hoisting arm 2 is installed above the hoisting machine main body 1, the first hoisting steel wire rope 4 is arranged at the upper end of the hoisting arm 2, the movable wheel 10 is connected below the first hoisting steel wire rope 4, the rotating shaft 11 penetrates through the movable wheel 10, the connecting plates 6 are respectively arranged at the front end and the rear end of the rotating shaft 11, the hoisting frame 7 is fixed below the connecting plate 6, the clamping plates 8 are arranged at the left side and the right side of the hoisting frame 7, the second connecting shaft 12 is connected to the inner side of the clamping plate 8, and the torsion spring 15 is installed on the outer, a first connecting shaft 9 penetrates through the middle part of the lifting frame 7, a second lifting steel wire rope 5 is connected to the surface of the first connecting shaft 9, a hook 3 is arranged below the second lifting steel wire rope 5, winding wheels 13 are mounted on the surfaces of the first connecting shaft 9 and the second connecting shaft 12, and a pull rope 14 is wound on the surfaces of the winding wheels 13;

one end of a first hoisting steel wire rope 4 is fixed at the lower end of the hoisting arm 2, the other end of the first hoisting steel wire rope 4 is wound on the surface of the movable wheel 10 and is movably connected with the movable wheel 10, and the movable wheel 10 is rotatably connected with the connecting plate 6 through a rotating shaft 11;

the connecting plate 6 is connected with the lifting frame 7 through screws, the lifting frame 7 is connected with the first connecting shaft 9 through a shaft, the first connecting shaft 9 is integrally connected with the reel 13, the connecting plate 6 is stably connected with the lifting frame 7 through the structural design, synchronous rotation between the first connecting shaft 9 and the reel 13 is guaranteed, and the clamp plate 8 can be conveniently rotated subsequently;

the number of the clamping plates 8 is 2, the clamping plates 8 are arranged in bilateral symmetry about the center line of the lifting frame 7, the 2 clamping plates 8 are in rotating connection with the lifting frame 7 through the second connecting shaft 12, the second connecting shaft 12 is integrally connected with the reel 13, the clamping plates 8 can rotate under the action of the second connecting shaft 12 due to the structural design, the prefabricated part can be clamped through the clamping plates 8 when being lifted, and the lifting stability of the prefabricated part is improved;

the second connecting shaft 12 is connected with the first connecting shaft 9 through the pull rope 14 on the surface of the reel 13, the winding directions of the pull ropes 14 on the surfaces of the reels 13 on the 2 second connecting shafts 12 are opposite, and the structural design enables the first connecting shaft 9 to rotate and simultaneously drive the clamping plate 8 connected to the second connecting shaft 12 to synchronously rotate inwards through the pull rope 14, so that the stable work of the device is guaranteed.

The working principle is as follows: when the prefabricated part hoisting device is used, firstly, as shown in the figure 1-2, after a vehicle is stopped, the prefabricated part is ready to be hoisted, the hook 3 is connected with the two ends of the prefabricated part, the prefabricated part is hoisted by winding the hoisting arm 2 and the first hoisting steel wire rope 4, and in the hoisting process of the prefabricated part, as shown in the figure 3-4, the prefabricated part pulls the second hoisting steel wire rope 5 to unreel on the first connecting shaft 9 through gravity, so that the first connecting shaft 9 rotates, the first connecting shaft 9 winds the pull rope 14 through the reel 13 while rotating, so that the pull rope 14 drives the second connecting shaft 12 to rotate through the reel 13, and the two second connecting shafts 12 synchronously rotate in opposite directions through the two groups of pull ropes 14 reversely wound on the surfaces of the reels 13 on the first connecting shaft 9, the second connecting shaft 12 rotates and simultaneously drives the clamping plate 8 to rotate, so that the clamping plate 8 clamps the side wall of the prefabricated part, meanwhile, the torsion spring 15 stores force, the clamping force of the clamping plate 8 is increased along with the increase of the mass of the prefabricated part, and the prefabricated part can be better fixed by the device;

in the hoisting process, as shown in fig. 1-3, the first hoisting steel wire rope 4 will drive the movable wheel 10 to rotate under the action of the rotating shaft 11 when being wound, meanwhile, the lifting frame 7 is pulled upwards through the connecting plate 6, the driving force required by the first lifting steel wire rope 4 during rolling is reduced through the movable pulley formed between the movable pulley 10 and the first lifting steel wire rope 4, the overall energy consumption of the device is reduced, when the prefabricated member is placed, the second hoisting steel wire rope 5 loosens, and meanwhile, the torsion spring 15 drives the second connecting shaft 12 to rotate reversely, the fixing of the prefabricated member by the clamping plate 8 is released, meanwhile, the second connecting shaft 12 pulls the first connecting shaft 9 through the pull rope 14 to rotate reversely, so that the first connecting shaft 9 winds the second hoisting steel wire rope 5, then the connection between the prefabricated member and the hook 3 is released, and the hoisting operation of the prefabricated member is completed.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prefab hoisting accessory, includes crane main part (1), lifts by crane jib (2), couple (3), first wire rope (4) and second wire rope (5) of lifting by crane, its characterized in that: the crane is characterized in that a lifting arm (2) is installed above a crane main body (1), a first lifting steel wire rope (4) is arranged at the upper end of the lifting arm (2), a movable wheel (10) is connected below the first lifting steel wire rope (4), a rotating shaft (11) penetrates through the movable wheel (10), connecting plates (6) are arranged at the front end and the rear end of the rotating shaft (11), a lifting frame (7) is fixed below the connecting plates (6), clamping plates (8) are arranged on the left side and the right side of the lifting frame (7), a second connecting shaft (12) is connected to the inner side of each clamping plate (8), a torsion spring (15) is installed on the outer surface of each second connecting shaft (12), a first connecting shaft (9) penetrates through the middle of the lifting frame (7), a second lifting steel wire rope (5) is connected to the surface of the first connecting shaft (9), and a hook (3) is arranged below the second lifting steel wire rope (5), reels (13) are mounted on the surfaces of the first connecting shaft (9) and the second connecting shaft (12), and pull ropes (14) are wound on the surfaces of the reels (13).

2. A preform lifting device as claimed in claim 1, wherein: one end of the first hoisting steel wire rope (4) is fixed at the lower end of the hoisting arm (2), the other end of the first hoisting steel wire rope (4) is wound on the surface of the movable wheel (10) to form movable connection with the movable wheel (10), and the movable wheel (10) is in rotary connection with the connecting plate (6) through the rotating shaft (11).

3. A preform lifting device as claimed in claim 1, wherein: the connecting plate (6) is connected with the lifting frame (7) through screws, a shaft is connected between the lifting frame (7) and the first connecting shaft (9), and the first connecting shaft (9) is integrally connected with the reel (13).

4. A preform lifting device as claimed in claim 1, wherein: the clamping plates (8) are arranged in a left-right symmetrical mode about the center line of the lifting frame (7), the 2 clamping plates (8) are connected with the lifting frame (7) in a rotating mode through a second connecting shaft (12), and the second connecting shaft (12) and the reel (13) are connected integrally.

5. A preform lifting device as claimed in claim 1, wherein: the second connecting shafts (12) are connected with the first connecting shafts (9) through pull ropes (14) on the surfaces of the reels (13), and the winding directions of the pull ropes (14) on the surfaces of the reels (13) on the 2 second connecting shafts (12) are opposite.