CN213923812U

CN213923812U - Hoist device of prefabricated stair

Info

Publication number: CN213923812U
Application number: CN202022574961.7U
Authority: CN
Inventors: 丁允; 杨有松; 朱勇刚; 刘春梅; 李熠; 陈慧
Original assignee: Xinjiang Metallurgical Construction Group Co ltd
Current assignee: Xinjiang Metallurgical Construction Group Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-10
Anticipated expiration: 2030-11-10

Abstract

The utility model belongs to the technical field of the stair installation, concretely relates to hoist device of prefabricated stair, including the mounting panel, the upper end of mounting panel is provided with hoist device, the spout has been seted up on the mounting panel, sliding connection has the slide bar in the spout, the upper end welding of slide bar has the baffle, the lower extreme of baffle is provided with the lug, the rolling groove has been seted up to the upper end of mounting panel, the lower extreme welding of slide bar has the backup pad, the lower extreme of backup pad is provided with the pulley, the rope has been cup jointed on the pulley, be provided with the hand-drive block on the rope, the lower extreme welding of backup pad has the connecting block. The utility model discloses a slip in the roof and cup joint the threaded rod, the threaded rod rotates and drives the curb plate and remove, and the curb plate removes and drives splint and remove and the contact of stair lower extreme for splint rotate and the laminating of stair lower extreme, press from both sides the tight fixed with stair through splint and roof cooperation, when making hoist and mount to remove, stair are fixed more firm, reduce the potential safety hazard.

Description

Hoist device of prefabricated stair

Technical Field

The utility model belongs to the technical field of the stair installation, concretely relates to hoist device of prefabricated stair.

Background

The stair is used as a component for vertical traffic between floors in a building. The method is used for traffic connection between floors and when the height difference is large. Stairways are also provided in multi-story and high-rise buildings provided with elevators and escalators as the main means of vertical transportation. High-rise buildings, although using elevators as the main vertical transport means, still need to keep staircases for escape in case of fire. The stairs are composed of continuous stair sections, platforms, enclosing members and the like. When the stairs are installed, the prefabricated stairs are generally moved by the hoisting device.

Among the prior art, hoist and mount prefabricated staircase when hoist and mount the removal to stair, the stair dead lever is insecure, and easy slippage when hoist and mount are removed produces the installation hidden danger, and simultaneously, the device is when hoist and mount stair, and the position control balance is not convenient for to stair for stair installation effectiveness is low. Accordingly, there is a need for improvements in the art.

Disclosure of Invention

An object of the utility model is to provide a hoist device of prefabricated stair has solved current hoist and mount prefabricated stair hoist and mount when removing, the not firm problem of stair dead lever, and the adjusting position that is not convenient for when hoist and mount stair moreover keeps balanced, and stair installation effectiveness is low.

In order to achieve the above purpose, the utility model provides a hoisting device for prefabricated stairs, which comprises a mounting plate, wherein the hoisting device is arranged at the upper end of the mounting plate, a chute is arranged on the mounting plate, a slide bar is connected in the chute in a sliding way, a baffle is welded at the upper end of the slide bar, a lug is arranged at the lower end of the baffle, a rolling groove is arranged at the upper end of the mounting plate, a support plate is welded at the lower end of the slide bar, a pulley is arranged at the lower end of the support plate, a rope is sleeved on the pulley, a hand-operated block is arranged on the rope, a connecting block is welded at the lower end of the support plate, a damping sleeve is welded at the lower end of the connecting block, a rope is sleeved in the damping sleeve, a connecting plate is arranged at the lower end of the connecting plate, a hanging rod is welded at the lower end of the connecting plate, a top plate is welded at the lower end of the hanging rod, and the lower end of the top plate is in contact connection with the stairs, the threaded rod is sleeved in the top plate in a sliding mode, a side plate is connected to the outer side of the lower end of the threaded rod through threads, a supporting pin is connected to the side plate in a rotating mode, a limiting plate is welded to the front end of the supporting pin, a side plate is connected to the rear end of the limiting plate in a contact mode, a clamping plate is welded to the rear end of the supporting pin, and a protruding strip is arranged at the upper end of the clamping plate.

The principle of the utility model lies in: during the use, remove the slide bar in the spout, make the curb plate remove the side of stair, make stair be in between roof and the splint, rotate the carousel through the handle, the carousel rotates and drives the threaded rod and rotates, the threaded rod rotates and drives the curb plate rebound, the curb plate rebound drives the supporting pin and removes, the supporting pin drives the splint and removes, splint remove and the contact of stair lower extreme, make splint rotate and the laminating of stair lower extreme, cooperate through sand grip and roof, press from both sides the stair and press from both sides fixedly, hang the mounting panel through hoist device after fixed the completion, and then make stair hoisted, slide in the damping cover through adjusting hand block and pulling rope, make the stair angle change, more easy to assemble.

The beneficial effects of the utility model reside in that: the threaded rod is sleeved in the top plate in a sliding mode, the threaded rod rotates to drive the side plate to move, the side plate moves to drive the clamping plate to move to be in contact with the lower end of the stair, the clamping plate rotates to be attached to the lower end of the stair, the stair is clamped and fixed through the matching of the clamping plate and the top plate, the stair is fixed more stably during lifting movement, and potential safety hazards are reduced;

through set up hand block on the rope to set up the damping cover at the backup pad lower extreme, through adjusting hand block and pulling the rope, can control the lift of rope both ends connecting plate, and then the inclination of adjustment stair, make when the installation be convenient for place stair in the preset position, make the installation of stair more convenient, the installation effectiveness is higher.

Furthermore, the sliding connection has the lug in the slot rolling, the slot rolling has two, two the slot rolling symmetric distribution is in the left and right sides of spout. Through setting up the rolling slot and the lug cooperation, reduce the gliding frictional force of slide bar.

Furthermore, there are two connecting plates, and the two connecting plates are respectively arranged at two ends of the rope. Through setting up two connecting plates, be convenient for keep balance after fixed with the stair.

Further, the upper end welding of threaded rod has the carousel, the upper end welding of carousel has the handle, the lower extreme contact of carousel is connected with the roof. Through setting up carousel and handle cooperation, be convenient for rotate the threaded rod.

Further, the lower extreme welding of roof has the guide bar, the guiding hole has been seted up to the upper end of curb plate, the guide bar has been cup jointed in the guiding hole slides. Through setting up guide bar and guiding hole cooperation for the threaded rod rotates and to make the curb plate reciprocate.

Drawings

FIG. 1 is a schematic view of a hoisting device for a prefabricated staircase according to an embodiment of the present invention;

fig. 2 is a top view of fig. 1 of a hoisting device of a prefabricated staircase according to an embodiment of the invention;

fig. 3 is an enlarged view of a point a in fig. 1 of the hoisting device of the prefabricated staircase according to the embodiment of the invention;

fig. 4 is an enlarged view of a hoisting device of the prefabricated staircase, which is shown in fig. 1 and is taken at a position B in the figure, according to the embodiment of the invention;

fig. 5 is a left side view of the side plate in fig. 4 of the hoisting device for the prefabricated staircase according to the embodiment of the invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a mounting plate 1, a hoisting device 2, a sliding chute 3, a sliding rod 4, a baffle 5, a bump 6, a rolling groove 7, a support plate 8, a pulley 9, a rope 10, a manual hoist 11, a connecting block 12, a damping sleeve 13, a connecting plate 14, a suspender 15, a top plate 16, a threaded rod 17, a turntable 18, a handle 19, a side plate 20, a guide hole 21, a guide rod 22, a stair 23, a support pin 24, a limiting plate 25, a clamping plate 26 and a convex strip 27.

As shown in fig. 1, fig. 2, fig. 3, this embodiment provides a hoist device of prefabricated staircase, including mounting panel 1, the upper end of mounting panel 1 is provided with hoist device 2, spout 3 has been seted up on mounting panel 1, sliding connection has slide bar 4 in the spout 3, the upper end welding of slide bar 4 has baffle 5, the lower extreme of baffle 5 is provided with lug 6, slot runner 7 has been seted up to the upper end of mounting panel 1, sliding connection has lug 6 in slot runner 7, slot runner 7 has two, two slot runner 7 symmetric distributions are in the left and right sides of spout 3, through setting up slot runner 7 and lug 6 cooperation, reduce the gliding frictional force of slide bar 4.

As shown in fig. 1, a support plate 8 is welded at the lower end of a sliding rod 4, a pulley 9 is arranged at the lower end of the support plate 8, a rope 10 is sleeved on the pulley 9, a hand-operated block 11 is arranged on the rope 10, a connecting block 12 is welded at the lower end of the support plate 8, a damping sleeve 13 is welded at the lower end of the connecting block 12, the rope 10 is sleeved in the damping sleeve 13, connecting plates 14 are arranged at the lower end of the rope 10, the two connecting plates 14 are arranged at two ends of the rope 10 respectively, through the arrangement of the two connecting plates 14, the stair 23 can be kept balanced after being fixed, and a suspender 15 is welded at.

As shown in fig. 4, the welding of the lower extreme of jib 15 has roof 16, the lower extreme contact connection of roof 16 has stair 23, threaded rod 17 has been cup jointed in the roof 16 slides, the welding of the upper end of threaded rod 17 has carousel 18, the welding of the upper end of carousel 18 has handle 19, the lower extreme contact connection of carousel 18 has roof 16, through setting up carousel 18 and the cooperation of handle 19, be convenient for rotate threaded rod 17, there is curb plate 20 in the lower extreme outside of threaded rod 17 through threaded connection, the welding of the lower extreme of roof 16 has guide bar 22, guiding hole 21 has been seted up to the upper end of curb plate 20, the sliding cup joint has guide bar 22 in guiding hole 21, through setting up guide bar 22 and the cooperation of guiding hole 21, make threaded rod 17 rotate and to make curb plate 20 reciprocate.

As shown in fig. 5, a support pin 24 is rotatably connected to the side plate 20, a stopper plate 25 is welded to a front end of the support pin 24, a rear end of the stopper plate 25 is in contact connection with the side plate 20, a clamp plate 26 is welded to a rear end of the support pin 24, and a convex strip 27 is provided at an upper end of the clamp plate 26.

The utility model discloses the concrete implementation process as follows: during the use, slide bar 4 removes in spout 3, make curb plate 20 remove the side of stair 23, make stair 23 be in between roof 16 and splint 26, rotate carousel 18 through handle 19, carousel 18 rotates and drives threaded rod 17 and rotate, threaded rod 17 rotates and drives curb plate 20 rebound, curb plate 20 rebound drives supporting pin 24 and removes, supporting pin 24 drives splint 26 and removes, splint 26 removes and stair 23 lower extreme contact, make splint 26 rotate and stair 23 lower extreme laminating, cooperate with roof 16 through sand grip 27, press from both sides tight fixed with stair 23, fix the back and hang mounting panel 1 through hoist device 2, and then make stair 23 be hung, slide in damping cover 13 through adjusting hand hoist 11 and pulling rope 10, make stair 23 angle change, more convenient to install.

The threaded rod 17 is sleeved in the top plate 16 in a sliding mode, the threaded rod 17 rotates to drive the side plate 20 to move, the side plate 20 moves to drive the clamping plate 26 to move and contact with the lower end of the stair 23, the clamping plate 26 rotates to be attached to the lower end of the stair 23, the stair 23 is clamped and fixed through the matching of the clamping plate 26 and the top plate 16, the stair 23 is fixed more stably during lifting movement, and potential safety hazards are reduced;

through set up hand block 11 on rope 10 to set up damping cover 13 at 8 lower extremes of backup pad, through adjusting hand block 11 and pulling rope 10, can control the lift of rope 10 both ends connecting plate 14, and then adjust the inclination of stair 23, make when the installation be convenient for place stair 23 in preset position, make the installation of stair 23 more convenient, the installation effectiveness is higher.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a hoist device of prefabricated staircase, includes the mounting panel, its characterized in that: the upper end of the mounting plate is provided with a hoisting device, the mounting plate is provided with a chute, the chute is internally and slidably connected with a slide bar, the upper end of the slide bar is welded with a baffle, the lower end of the baffle is provided with a convex block, the upper end of the mounting plate is provided with a rolling groove, the lower end of the slide bar is welded with a support plate, the lower end of the support plate is provided with a pulley, a rope is sleeved on the pulley, the rope is arranged on the rope, the lower end of the support plate is welded with a connecting block, the lower end of the connecting block is welded with a damping sleeve, the rope is sleeved in the damping sleeve, the lower end of the rope is provided with a connecting plate, the lower end of the connecting plate is welded with a suspender, the lower end of the suspender is welded with a top plate, the lower end of the top plate is in contact connection with a stair, the top plate is sleeved with a threaded rod, and the outer side plate is connected with the outer side of the lower end of the threaded rod through threads, the curb plate internal rotation is connected with the supporting pin, the front end welding of supporting pin has the limiting plate, the rear end contact of limiting plate is connected with the curb plate, the rear end welding of supporting pin has splint, the upper end of splint is provided with the sand grip.

2. The hoisting device of the prefabricated staircase according to claim 1, characterized in that: the rolling grooves are connected with the protruding blocks in a sliding mode, and the number of the rolling grooves is two, and the two rolling grooves are symmetrically distributed on the left side and the right side of the sliding groove.

3. The hoisting device of the prefabricated staircase according to claim 1, characterized in that: the connecting plates are two and are respectively arranged at two ends of the rope.

4. The hoisting device of the prefabricated staircase according to claim 1, characterized in that: the welding of the upper end of threaded rod has the carousel, the welding of the upper end of carousel has the handle, the lower extreme contact of carousel is connected with the roof.

5. The hoisting device of the prefabricated staircase according to claim 1, characterized in that: the lower extreme welding of roof has the guide bar, the guiding hole has been seted up to the upper end of curb plate, the guide bar has been cup jointed in the guiding hole slip.