Flower basket overhanging operation platform for elevator shaft of high-rise building

Abstract

The utility model provides a flower basket overhanging operation platform for a high-rise building elevator shaft, which comprises an overhanging I-shaped steel fixing mechanism and a ring lock scaffold platform arranged on the overhanging I-shaped steel fixing mechanism, the overhanging I-shaped steel fixing mechanism comprises overhanging I-shaped steel, and the two ends of the overhanging I-shaped steel are fixed on a shear wall on the side wall of the shaft through steel plates and high-strength bolts. One end of each steel pull rod is fixed on the top lifting lug plate of the cantilever I-shaped steel, and the other end of each steel pull rod is fixed on the shaft side wall shear wall through a high-strength bolt and a steel base plate. The cantilever platform can effectively achieve safe construction of wall beam steel bar engineering and formwork engineering of a high-rise building lift shaft structure, can be used for fixing and installing a disc buckle protection frame of a high-rise building lift shaft, is easy, convenient and practical to operate, does not need to reserve an I-shaped steel hole in a shear wall of the shaft, reduces later-period hole filling cost, and improves construction efficiency. The appearance forming quality of the shaft shear wall is improved, and the operation platform is stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, especially relates to a flower basket overhanging operation platform for high-rise building elevator shaft. BACKGROUND

[0002] With the development of city social economy, the newly-built commercial residential complex gradually becomes a kind of leisure and entertainment living place loved by contemporary people, and the underground layers are deeper and the ground layers are higher and higher. At present, most of the elevator shafts in the construction site adopt the overhanging I-shaped steel scaffold as the inner protection design, and the I-shaped steel is placed on the floor beam through the reserved wall hole on both sides of the shear wall. After the I-shaped steel is removed, the overhanging operation platform in the form of reserved hole needs to be additionally planted and poured with concrete, the actual effect of planting is poor, the quality of the concrete forming appearance is poor, the wood mold or aluminum mold loss of the shaft shear wall formwork hole is increased, and it is not easy to block. In order to solve the above technical problems, the utility model designs a flower basket overhanging operation platform for high-rise building elevator shaft. CONTENT OF UTILITY MODEL

[0003] In view of the deficiencies in the prior art, the utility model provides a flower basket overhanging operation platform for high-rise building elevator shaft, which solves the problems of poor subsequent planting and pouring effect of the existing elevator shaft reserved hole overhanging I-shaped steel in the main structure construction of high-rise building, increased formwork material loss and the like.

[0004] The utility model achieves the above technical purpose through the following technical means.

[0005] A flower basket overhanging operation platform for high-rise building elevator shaft, comprising an overhanging I-shaped steel fixing mechanism and a disc buckle scaffold platform installed on the overhanging I-shaped steel fixing mechanism, the overhanging I-shaped steel fixing mechanism comprising two overhanging I-shaped steels and four steel pull rods, the two ends of the overhanging I-shaped steel are fixed on the shaft side wall shear wall through a steel plate and high-strength bolts, one end of the steel pull rod is fixed on the top surface lug plate of the overhanging I-shaped steel, and the other end is fixed on the shaft side wall shear wall through high-strength bolts and steel backing plates.

[0006] Further, a steel sleeve pipe is pre-buried in the shear wall, and the high-strength bolts are installed after the shear wall concrete pouring is completed and the strength is reached.

[0007] Further, the disc buckle scaffold platform comprises disc buckle vertical rods vertically fixed on the top surface of the overhanging I-shaped steel, disc buckle horizontal rods horizontally installed between adjacent disc buckle vertical rods, disc buckle inclined rods installed between upper and lower disc buckle horizontal rods, and stamping steel foot plates arranged at each layer of the disc buckle scaffold platform, and two rows of wall connecting pieces arranged at each layer, which are connected with the shaft side wall shear wall through pre-buried bolts.

[0008] Further, the flower basket overhanging operation platform is further provided with a safety flat net around.

[0009] Furthermore, the vertical and horizontal spacing of the buckle vertical poles is 1.5m, the spacing of the buckle horizontal poles is 2m, and the buckle diagonal poles are fully distributed.

[0010] The utility model has the following beneficial effects:

[0011] The flower basket cantilevered operating platform provided by the utility model can effectively realize the safe construction of the wall beam reinforcement engineering and formwork engineering of the elevator shaft structure of high-rise buildings; the flower basket cantilevered operating platform provided by the utility model can be used for fixing and installing the disc buckle protective frame of the elevator shaft of high-rise buildings; the cantilevered platform is simple and practical to operate, and the shaft shear wall does not need to reserve I-beam openings, which reduces the cost of filling holes in the later stage, improves the appearance molding quality of the shaft shear wall, and the operating platform is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of a cantilevered operating platform for elevator shafts in high-rise buildings.

[0013] Figure 2 This is a cross-sectional diagram of a cantilevered operating platform for a high-rise building elevator shaft;

[0014] In the figure: 11. Cantilever I-beam; 12. Steel tie rod; 13. High-strength bolt; 14. Steel plate; 21. Vertical bar with buckle; 22. Horizontal bar with buckle; 23. Diagonal bar with buckle; 24. Wall connection; 25. Safety net; 26. Stamped steel scaffolding; 3. Shear wall. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0016] like Figure 1 、 2 As shown, the basket cantilever operating platform for a high-rise building elevator shaft described in the utility model includes a cantilevered I-beam fixing mechanism and a buckle scaffolding platform.

[0017] like Figure 1 、 2 As shown, the cantilever I-beam fixing mechanism includes a cantilever I-beam 11, a steel tie rod 12, a steel plate 14, a steel pad and a high-strength bolt 13, thereby supporting the entire buckle scaffolding platform; wherein, both ends of the two cantilever I-beams 11 are fixed to the shaft side wall shear wall 3 through the steel plate 14 and the high-strength bolts 13, one end of the four steel tie rods 12 are fixed to the top surface ear plate of the cantilever I-beam 11, and the other end are fixed to the shaft side wall shear wall 3 through the high-strength bolts 13 and the steel pad; steel casing is pre-embedded in the shear wall 3, and the high-strength bolts 13 are installed after the concrete pouring is completed and reaches the strength.

[0018] Preferably, the cantilevered I-beam 11 is a 16# I-beam, the steel plate 14 has a size of 200*180*12mm, the high-strength bolt 13 is a M20 high-strength bolt, which is a 8.8-grade high-strength bolt, the steel backing plate 15 has a size of 70*70*8mm, the steel tie rod 12 is a 20mm-diameter reinforcing bar (round steel), the concrete strength of the cantilevered elevator shaft shear wall should not be lower than C30, and no construction joint should be left, and the steel sleeve has a diameter of 25mm.

[0019] As shown in Figure 1 , 2 , the disc buckle scaffold platform is located on the cantilevered I-beam fixing mechanism as a whole, and comprises disc buckle vertical rods 21, disc buckle horizontal rods 22, disc buckle inclined rods 23, stamping steel footboards 26 and wall connecting pieces 24; the disc buckle vertical rods 21 are vertically fixed on the top surface of the cantilevered I-beam 11, the disc buckle horizontal rods 22 are horizontally installed between adjacent disc buckle vertical rods 21, the disc buckle inclined rods 23 are installed between upper and lower disc buckle horizontal rods 22, the disc buckle scaffold platform is provided with stamping steel footboards 26 at each layer, and two rows of wall connecting pieces 24 are arranged at each layer, which are connected with the shaft side wall shear wall 3 through pre-buried bolts.

[0020] Preferably, the erection height of the disc buckle scaffold platform is not greater than 20m, the bottom of the disc buckle vertical rod 21 is fixed to the top surface of the cantilevered I-beam 11 through a 14mm-diameter reinforcing bar, the disc buckle vertical rod 21 has an outer diameter of 48mm and a wall thickness of 3.2mm, the disc buckle horizontal rod 22 has an outer diameter of 48mm and a wall thickness of 2.5mm, the wall connecting piece 24 has an outer diameter of 48mm and a wall thickness of 2.7mm, the longitudinal and transverse spacing of the disc buckle vertical rod 21 is 1.5m, the disc buckle horizontal rod 22 is arranged at a spacing of 2m, and the disc buckle inclined rod 23 is fully arranged; the safety flat net 25 is further arranged around the flower basket cantilevered operation platform.

[0021] The embodiment is a preferred embodiment of the utility model, but the utility model is not limited to the above-mentioned embodiment, and any obvious improvement, replacement or modification made by those skilled in the art without departing from the essential content of the utility model belongs to the protection scope of the utility model.

Claims

1. A cantilevered operating platform for a high-rise building elevator shaft, characterized in that: The invention comprises a cantilever I-beam fixing mechanism and a buckle scaffolding platform installed on the cantilever I-beam fixing mechanism, wherein the cantilever I-beam fixing mechanism comprises two cantilever I-beams (11) and four steel tie rods (12), both ends of the cantilever I-beam (11) are fixed to the shaft side wall shear wall (3) through steel plates (14) and high-strength bolts (13), one end of the steel tie rod (12) is fixed to the top surface ear plate of the cantilever I-beam (11), and the other end is fixed to the shaft side wall shear wall (3) through high-strength bolts (13) and steel pads.

2. The basket cantilevered operating platform for a high-rise building elevator shaft according to claim 1, characterized in that: A steel casing is pre-buried in the shear wall (3), and high-strength bolts (13) are installed after the concrete pouring of the shear wall (3) is completed and reaches the required strength.

3. The basket cantilevered operating platform for a high-rise building elevator shaft according to claim 1, characterized in that: The buckle scaffolding platform comprises a buckle upright pole (21) whose bottom is vertically fixed to the top surface of the cantilevered I-beam (11), a buckle horizontal pole (22) is horizontally installed between adjacent buckle upright poles (21), and a buckle diagonal pole (23) is installed between the upper and lower buckle horizontal poles (22). Each layer of the buckle scaffolding platform is arranged with a stamped steel scaffolding board (26), and two wall connecting members (24) are arranged on each layer, which are connected to the shaft side wall shear wall (3) through embedded bolts.

4. The basket cantilevered operating platform for a high-rise building elevator shaft according to claim 1, characterized in that: A safety net (25) is also provided around the flower basket cantilever operating platform.

5. The basket cantilevered operating platform for a high-rise building elevator shaft according to claim 3, characterized in that: The vertical and horizontal spacings of the buckle vertical rods (21) are 1.5m, the horizontal buckle rods (22) are spaced 2m apart, and the buckle diagonal rods (23) are fully covered.

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