CN219196844U

CN219196844U - Prefabricated stairwell can have enough to meet need design protection platform

Info

Publication number: CN219196844U
Application number: CN202320331999.2U
Authority: CN
Inventors: 祝少聪; 雷敏; 陈亚杰; 朱洪亮; 朱旺; 李斯浩; 宋家安; 聂廷; 刘辉波; 陈浩
Original assignee: Third Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Current assignee: Third Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-06-16
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a turnover shaping protection platform for a prefabricated stairwell, which comprises a rectangular platform frame, pattern steel plates, supporting beams, supporting legs, diagonal braces and first side braces, wherein the pattern steel plates are paved above the platform frame, two supporting beams are horizontally welded below the platform frame, one end part of each supporting beam is vertically welded with the supporting legs, the first side braces are horizontally welded at the position, close to the lower end, of each supporting leg, the first side braces and the supporting beams are respectively positioned at two opposite sides of each supporting leg, the diagonal braces are welded between the supporting beams and the first side braces, and the intersecting parts of the diagonal braces and the supporting legs are connected through high-strength bolts. The utility model is integrally customized, is convenient for lifting, transferring and turnover, does not need repeated installation and disassembly, and improves the construction efficiency.

Description

Prefabricated stairwell can have enough to meet need design protection platform

Technical Field

The utility model relates to the field of stairway protection platforms, in particular to a prefabricated stairway turnover shaping protection platform.

Background

In construction projects employing prefabricated stairways, the installation of the prefabricated stairways is often delayed by 2-3 layers due to process penetration and concrete strength. When the prefabricated stairway is not installed, the stairway is in an up-down through state, potential safety hazards exist, a protection platform is required to be erected, and the protection platform is also used as an operation platform during construction of the shear wall of the upper stairway. Traditional protection platform adopts the steel pipe to erect the operation panel, and reuse template flitch is protected, and stability is poor, and the security does not have the guarantee, and needs every layer to build with this, demolishs after the use, installs repeatedly and demolishs time and energy consuming, and the efficiency of construction is lower.

Therefore, how to create a new turnover shaping protection platform for the prefabricated stairwell is one of the important research and development problems at present.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the turnover shaping protection platform for the prefabricated stairwell, which can be used in a turnover way without repeated installation and disassembly, so that the construction efficiency is improved, and the defects of the prior art are overcome.

In order to solve the technical problems, the utility model provides a turnover shaping protection platform for a prefabricated staircase, which comprises a platform frame, pattern steel plates, supporting beams, supporting legs, inclined struts and first side struts, wherein the platform frame is rectangular, the pattern steel plates are paved above the platform frame, two supporting beams are horizontally welded below the platform frame, the supporting legs are vertically welded at one end parts of the supporting beams, the first side struts are horizontally welded at the positions, close to the lower ends, of the supporting legs, the first side struts and the supporting beams are respectively positioned at two opposite sides of the supporting legs, the inclined struts are welded between the supporting beams and the first side struts, and the intersection parts of the inclined struts and the supporting legs are connected through high-strength bolts.

As an improvement of the utility model, three reinforcing beams are welded in the platform frame, the direction of the reinforcing beam positioned in the middle is vertical to the supporting beam, and the reinforcing beams positioned at two sides are obliquely arranged.

Further, a horizontal first cross brace is arranged between the support legs and positioned at the first side brace, and a second cross brace is arranged above the first cross brace.

Further, the lower ends of the supporting legs are rotatably connected with second side supports through high-strength bolts, and the second side supports and the first side supports are located on the same side of the supporting legs.

Further, the platform frame is formed by welding square steel pipes, and the supporting beams, the supporting legs, the diagonal braces and the first side braces are channel steel.

Further, the reinforcing beam adopts square steel pipes.

Further, the first cross brace adopts channel steel, and the second cross brace adopts square steel pipe.

Further, the supporting beam is fixedly connected with a hanging ring.

With such a design, the utility model has at least the following advantages:

1. the integrated factory is customized, site construction is not needed, the integrated factory can be used in a circulating way, the stability is high, the transfer layer is integrally adjusted after the layer is constructed, repeated installation and disassembly are not needed, and the construction efficiency is improved;

2. the landing is lapped on the upper and lower stairs platforms, and is kept stable by utilizing dead weight, bolts are not required to be embedded on the stairs platforms, and the use is convenient;

3. the second temple is locked to effectively prevent overturning, so that safety is further improved.

Drawings

The foregoing is merely an overview of the present utility model, and the present utility model is further described in detail below with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic structural view of a turnover finalized protective platform for a prefabricated staircase.

FIG. 2 is a schematic side view of a prefabricated staircase turnable finalized protection platform provided by the utility model.

FIG. 3 is a schematic view of the use state of the turnover finalized protection platform for the prefabricated staircase.

Reference numerals illustrate: 1. a platform frame; 2. a support beam; 3. a patterned steel plate; 4. a hanging ring; 5. a stiffening beam; 6. diagonal bracing; 7. support legs; 8. a second cross brace; 9. a first temple; 10. a first cross brace; 11. a second temple; 12. high strength bolts.

Detailed Description

Referring to fig. 1 to 3, the utility model provides a turnover and shaping protection platform for a prefabricated staircase, which comprises a platform frame 1, a supporting beam 2, a pattern steel plate 3, supporting legs 7, a first side support 9 and inclined supports 6.

The platform frame 1 is a rectangular frame formed by welding square steel pipes, a patterned steel plate 3 is paved above the platform frame 1, and two horizontal supporting beams 2 are welded below the platform frame 1. The stiffening beams 5 made of square steel pipes are welded in the platform frame 1, in this embodiment, the number of the stiffening beams 5 is three, the direction of the stiffening beam 5 positioned in the middle is perpendicular to the supporting beam 2, the stiffening beams 5 positioned at two sides are obliquely arranged, the stiffening beams 5 serve to strengthen the structural strength of the platform frame 1, and more stable support is provided for the patterned steel plates 3.

The vertical welding supporting leg 7 of one end tip of supporting beam 2, the supporting leg 7 is close to the horizontal welding of lower extreme department and has first temple 9, and first temple 9 and supporting beam 2 are located the both sides that supporting leg 7 are relative respectively, and the welding has diagonal bracing 6 between supporting beam 2 and the first temple 9, the crossing department of diagonal bracing 6 and supporting leg 7 passes through high strength bolt 12 and connects. In this embodiment, the supporting beam 2, the supporting leg 7, the diagonal brace 6 and the first side brace 9 are channel steel.

Preferably, in order to enhance the stability of the two support legs 7, a horizontal first cross brace 10 is arranged between the support legs 7 at the first side brace 9, a second cross brace 8 is arranged above the first cross brace 10, the first cross brace 10 is made of channel steel, and the second cross brace 8 is made of square steel tubes.

Preferably, the lower end of the supporting leg 7 is rotatably connected with a second temple 11 through a high-strength bolt 12, and the second temple 11 and the first temple 9 are positioned on the same side of the supporting leg.

Preferably, the supporting beam 2 is fixedly connected with a hanging ring 4 for integral hanging of the protection platform.

When the ladder is used, the end part of the supporting beam 2 is overlapped with the upper-layer ladder platform, the first side beam 9 is overlapped with the lower-layer ladder platform, the side surfaces of the supporting legs 7 are abutted with the side surfaces of the lower-layer ladder platform, and the protection platform is kept stable by utilizing dead weight without embedding bolts on the ladder platform. Before the protective platform is integrally hoisted in place, the high-strength bolts 12 between the second temple 11 and the supporting legs 7 are in a unscrewed state, and the second temple 11 can rotate to be parallel to the supporting legs 7, so that interference with the stair platform in the hoisting process is avoided. After being lifted in place, the second temple 11 can be rotated to be vertical to the supporting leg 7 and is abutted against the bottom surface of the stair platform, the second temple 11 is fixed through the locking high-strength bolt 12, and at the moment, the first temple 9, the supporting leg 7 and the second temple 11 are C-shaped, so that the stair platform is clamped in the opening, and the effect of preventing the platform from overturning is effectively achieved.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and some simple modifications, equivalent variations or modifications can be made by those skilled in the art using the teachings disclosed herein, which fall within the scope of the present utility model.

Claims

1. The utility model provides a prefabricated staircase can turnover design protection platform, its characterized in that, includes platform frame, decorative pattern steel sheet, supporting beam, supporting leg, bracing and first temple, the platform frame is the rectangle, lays decorative pattern steel sheet above the platform frame, and platform frame below horizontal welding has two supporting beams, and the vertical welding of one end tip of supporting beam has the supporting leg, and the supporting leg is close to lower extreme department horizontal welding and has first temple, and first temple and supporting beam are located the both sides that the supporting leg is relative respectively, and the welding has the bracing between supporting beam and the first temple, the crossing department of bracing and supporting leg passes through high strength bolted connection.

2. The turnover finalized protective platform for the prefabricated stairwell according to claim 1, wherein three reinforcing beams are welded inside the platform frame, the middle reinforcing beam is perpendicular to the supporting beams, and the reinforcing beams on two sides are obliquely arranged.

3. The turnover finalized protective platform for a prefabricated staircase according to claim 1, wherein a horizontal first cross brace is arranged between the supporting legs at the first side brace, and a second cross brace is arranged above the first cross brace.

4. The turnover finalized protective platform for a prefabricated staircase according to claim 1, wherein the lower ends of the supporting legs are rotatably connected with second side supports through high-strength bolts, and the second side supports are located on the same side of the supporting legs as the first side supports.

5. The turnover finalized protective platform for a prefabricated staircase of claim 1, wherein the platform frame is welded by square steel pipes, and the supporting beams, the supporting legs, the diagonal braces and the first side braces are channel steel.

6. The turnover finalized protective platform for a prefabricated staircase of claim 2, wherein the reinforcing beam is a square steel tube.

7. A prefabricated staircase epicyclic finalized protective platform according to claim 3, wherein said first cross braces are channel steel and said second cross braces are square steel tubes.

8. The turnover finalized protective platform for a prefabricated staircase of claim 1, wherein the supporting beam is fixedly connected with a hanging ring.