CN110950228A

CN110950228A - Prefabricated staircase hoist

Info

Publication number: CN110950228A
Application number: CN201911297443.0A
Authority: CN
Inventors: 郭友朋; 蒋忠良; 张南文; 刘野; 李小维
Original assignee: Wuxi Sumiton Building Components Co Ltd
Current assignee: Wuxi Sumiton Building Components Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-03
Anticipated expiration: 2039-12-17
Also published as: CN110950228B

Abstract

The invention discloses a prefabricated stair lifting appliance, which relates to the field of stair lifting equipment and comprises a bottom plate, lifting rings and a square shell, wherein the lifting rings are fixedly welded on the upper surface of the square shell, rollers are arranged in the square shell, steel wire ropes are arranged on the rollers, the two ends of each steel wire rope respectively extend out of the square shell, a second connecting plate is fixedly welded on the left end surface of the bottom plate, a second limiting plate is fixedly welded on the right surface of the second connecting plate, a first connecting plate is arranged on the right side of the bottom plate, a plurality of threaded rods are fixedly welded on the right surface of the bottom plate, penetrate through the first connecting plate and extend to the right side of the first connecting plate, a first limiting plate is fixedly welded on the left end surface of the first connecting plate, pull rings are fixedly welded on the upper surfaces of the first limiting plate and the. The stair fixing device has a good fixing effect, is convenient for adjusting the balance position of a stair, is convenient for adjusting the position of the stair, and reduces the workload of workers.

Description

Prefabricated staircase hoist

Technical Field

The invention belongs to the field of stair hoisting equipment, and particularly relates to a prefabricated stair sling.

Background

Due to the requirements of various aspects, the frequency and proportion of the use of precast concrete members in the current building are increasing year by year, the precast concrete members can be moved to a transportation device only by using a hoisting device, the balance of stairs cannot be adjusted in the hoisting process of the conventional precast stair sling, the fixed disassembly and assembly are inconvenient, and the position movement is inconvenient.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a prefabricated staircase sling.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a prefabricated staircase hoist, includes bottom plate, rings and square shell, rings welded fastening is at the square shell upper surface, be provided with the gyro wheel in the square shell, be provided with wire rope on the gyro wheel, the square shell extends respectively at the wire rope both ends, bottom plate left end face welded fastening has the second connecting plate, second connecting plate right side surface welded fastening has the second limiting plate, the bottom plate right side is provided with first connecting plate, bottom plate right side surface welded fastening has a plurality of threaded rods, and is a plurality of the threaded rod all runs through first connecting plate and extends to first connecting plate right side, first connecting plate left end face welded fastening first limiting plate, equal welded fastening of first limiting plate and second limiting plate upper surface has the pull ring, wire rope fixes respectively on the pull ring.

Preferably, the front end face and the rear end face of the roller are provided with rotating shafts, and one ends, far away from the roller, of the rotating shafts extend into the square shell.

Preferably, the bottom plate is provided with two, two the structure of bottom plate upper end is the same, be provided with two wire rope on the square shell, two wire rope both ends are connected with the pull ring of first limiting plate and second limiting plate upper surface respectively.

Preferably, the cross section of the first limiting plate and the cross section of the second limiting plate are both L-shaped structures, and the L-shaped structures are matched with the steps of the prefabricated staircase.

Preferably, the left surface of the first connecting plate is provided with a through hole matched with the aperture of the threaded rod, the right end of the threaded rod is provided with a nut, and the first connecting plate is detachably connected with the bottom plate through the threaded rod and the nut.

Preferably, universal wheels are fixed at four corners of the lower surface of the bottom plate through screws.

The invention has the beneficial effects that: through placing the bottom plate in the bottom of the stair to be connected through second limiting plate and stair step department, then pass the threaded rod in the bottom plate with first connecting plate, and make first limiting plate fixed with the rear end of layer step, then fix first connecting plate through the nut, thereby be convenient for fix stair, adjust the equilibrium position of step through the gyro wheel, the position after the universal wheel is put adjusts, thereby reduces the work labour volume.

The stair fixing device has a good fixing effect, is convenient for adjusting the balance position of a stair, is convenient for adjusting the position of the stair, and reduces the workload of workers.

Drawings

Fig. 1 is a schematic side sectional structural view of a prefabricated staircase spreader according to the present invention.

Fig. 2 is a top view of a prefabricated staircase spreader according to the present invention.

Fig. 3 is a schematic view of the lifting of the stairs in the prefabricated stair sling according to the invention.

Fig. 4 is a schematic sectional view of a prefabricated staircase spreader middle square shell according to the present invention.

Reference numbers in the figures: 1 first connecting plate, 2 threaded rods, 3 nuts, 4 first limiting plates, 5 pull rings, 6 bottom plates, 7 second limiting plates, 8 second connecting plates, 9 universal wheels, 10 lifting rings, 11 square shells, 12 steel wire ropes and 13 rollers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a prefabricated staircase spreader includes a base plate 6, a lifting ring 10 and a square shell 11, the hanging ring 10 is welded and fixed on the upper surface of the square shell 11, a roller 13 is arranged in the square shell 11, the roller 13 is provided with a steel wire rope 12, two ends of the steel wire rope 12 respectively extend out of the square shell 11, a second connecting plate 8 is fixedly welded on the left end face of the bottom plate 6, a second limit plate 7 is fixedly welded on the right surface of the second connecting plate 8, a first connecting plate 1 is arranged on the right side of the bottom plate 6, a plurality of threaded rods 2 are fixedly welded on the right surface of the bottom plate 6, the plurality of threaded rods 2 penetrate through the first connecting plate 1 and extend to the right side of the first connecting plate 1, the left end face of the first connecting plate 1 is fixedly welded with a first limiting plate 4, pull rings 5 are fixedly welded on the upper surfaces of the first limiting plate 4 and the second limiting plate 7, and the steel wire ropes 12 are respectively fixed on the pull rings 5.

The front end face and the rear end face of the roller 13 are provided with rotating shafts, one end of each rotating shaft, far away from the roller 13, extends into the square shell 11 to realize that the roller 13 can rotate, two bottom plates 6 are arranged, the structures at the upper ends of the two bottom plates 6 are the same, the square shell 11 is provided with two steel wire ropes 12, the two ends of each steel wire rope 12 are respectively connected with pull rings on the upper surfaces of the first limiting plate 4 and the second limiting plate 7 to increase the stability during lifting, the cross sections of the first limiting plate 4 and the second limiting plate 7 are L-shaped structures, the L-shaped structures are matched with steps of a prefabricated staircase to facilitate fixing the staircase, the left surface of the first connecting plate 1 is provided with a through hole matched with the caliber of the threaded rod 2, the right end of the threaded rod 2 is provided with a nut 3, and the first connecting plate 1 and the bottom plates, be convenient for fix first connecting

plate

1, 6 lower surface four corners departments of bottom plate all have universal wheel 9 through the screw fixation, are convenient for adjust the stair position.

The working principle is as follows: when the device is used, a user places the bottom plate 6 at the bottom of a stair, the bottom plate is connected with the stair steps through the second limiting plate 7, then the first connecting plate 1 penetrates through the threaded rod 2 in the bottom plate 6, the first limiting plate 4 is fixed to the rear end of the same-layer step, then the first connecting plate 1 is fixed through the nut 3, so that the stair is convenient to fix, when the stair is lifted, the balance position of the stair is adjusted through rotation of the roller 13, so that the stair is convenient to place, the position of the stair after being placed is convenient to adjust through the universal wheel 9, and therefore the working labor amount is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The prefabricated staircase lifting appliance comprises a bottom plate (6), lifting rings (10) and a square shell (11), and is characterized in that the lifting rings (10) are welded and fixed on the upper surface of the square shell (11), idler wheels (13) are arranged in the square shell (11), steel wire ropes (12) are arranged on the idler wheels (13), the two ends of each steel wire rope (12) respectively extend out of the square shell (11), a second connecting plate (8) is fixed on the left end surface of the bottom plate (6) in a welded mode, a second limiting plate (7) is fixed on the right surface of the second connecting plate (8) in a welded mode, a first connecting plate (1) is arranged on the right side of the bottom plate (6), a plurality of threaded rods (2) are fixed on the right surface of the bottom plate (6) in a welded mode, the threaded rods (2) all penetrate through the first connecting plate (1) and extend to the right side of the first connecting plate (1), a first, the upper surfaces of the first limiting plate (4) and the second limiting plate (7) are respectively welded and fixed with a pull ring (5), and the steel wire rope (12) is respectively fixed on the pull rings (5).

2. Prefabricated staircase spreader according to claim 1, characterized in that the front and rear end surfaces of the roller (13) are provided with a pivot, the end of the pivot remote from the roller (13) extending into the square housing (11).

3. The prefabricated staircase sling according to claim 1, wherein two bottom plates (6) are provided, the upper ends of the two bottom plates (6) have the same structure, two steel wire ropes (12) are provided on the square shell (11), and both ends of the two steel wire ropes (12) are respectively connected with the pull rings on the upper surfaces of the first limiting plate (4) and the second limiting plate (7).

4. The prefabricated staircase sling according to claim 1, wherein the cross section of the first limiting plate (4) and the cross section of the second limiting plate (7) are both L-shaped structures, and the L-shaped structures are matched with the steps of the prefabricated staircase.

5. The prefabricated staircase sling according to claim 1, wherein a through hole matched with the caliber of the threaded rod (2) is formed in the left surface of the first connecting plate (1), a nut (3) is arranged at the right end of the threaded rod (2), and the first connecting plate (1) is detachably connected with the bottom plate (6) through the threaded rod (2) and the nut (3).

6. Prefabricated staircase spreader according to claim 1, characterized in that the universal wheels (9) are fixed at the four corners of the lower surface of the bottom plate (6) by means of screws.