Auxiliary steel ladder stand device for curved surface steel structure roof arc-shaped beam

Abstract

The utility model relates to the technical field of civil engineering, and discloses a curved surface steel structure roof arc-shaped beam auxiliary steel ladder stand device which comprises step cross rods, a main ladder assembly and a beam to be installed, the step cross rods and the main ladder assembly are connected to form steel ladder stands, and the steel ladder stands are arranged on the two sides of the beam to be installed. A hanging bracket cross rod is arranged between the ends of the steel crawling ladders on the two sides of the to-be-installed beam, the hanging bracket cross rod is connected with the steel crawling ladders through connecting pieces, a partition plate is arranged on the to-be-installed beam, the two ends of the partition plate are connected with adjustable supporting arms, and the other ends of the adjustable supporting arms are connected with the hanging bracket cross rod. The auxiliary steel ladder stand device for the curved surface steel structure roof arc-shaped beam is provided with the rotatable nut, the angle of the auxiliary installation device can be adjusted in advance to serve as a reference for the installation angle of an irregular arc-shaped beam, construction is convenient, operation is easy, reutilization can be achieved, construction difficulty and risks are reduced, and construction efficiency is improved. The operation safety of personnel in the installation operation process is fully guaranteed, and manpower and material resources can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering technical field, concretely relates to curved surface steel structure roof arc beam auxiliary steel ladder device. BACKGROUND

[0002] With the continuous development of modern building technology, curved surface steel structure roof is widely used in large sports stadiums, performing arts centers, commercial centers and public buildings and other fields due to its unique modeling beauty and good structural performance, however, in the construction process of curved surface steel structure roof, especially for the installation of irregular arc beam, the traditional construction method has many challenges.

[0003] The installation of irregular arc beam of curved surface steel structure roof often needs to be carried out in the air, and the construction personnel need to climb to the designated position to operate, and the traditional ladder or simple ladder is difficult to meet the operation demand of the complex curved surface, and there are problems such as great safety hidden danger and low construction efficiency, especially on the irregular arc beam, the construction personnel are difficult to find stable foothold, which increases the construction difficulty and safety risk.

[0004] In addition, the irregularity of the curved surface steel structure roof makes the measurement, positioning and correction work in the construction process particularly complex, and the traditional construction tools and methods are difficult to guarantee the accuracy and precision of the construction, thereby affecting the structural stability and service life of the whole roof. SUMMARY

[0005] The technical problem to be solved by the utility model is the construction difficulty of the irregular arc beam of the existing curved surface steel structure roof.

[0006] In order to solve the above technical problem, the technical scheme of the utility model is to provide a curved surface steel structure roof arc beam auxiliary steel ladder device, which comprises a step cross rod, a main ladder frame and a to-be-installed beam, the step cross rod and the main ladder frame are connected to form a steel ladder, the to-be-installed beam is provided with a steel ladder on both sides, a hanging bracket cross rod is arranged between the end portions of the steel ladders on both sides of the to-be-installed beam, the hanging bracket cross rod is connected with the steel ladders through a connecting piece, a partition plate is arranged on the to-be-installed beam, adjustable supporting arms are connected to both ends of the partition plate, and the other ends of the adjustable supporting arms are connected with the hanging bracket cross rod.

[0007] Optionally, the adjustable supporting arm comprises a top supporting arm and a rotatable supporting arm, the top supporting arm is bolted to the partition plate at the upper end, the top supporting arm is connected to the upper end of the rotatable supporting arm at the lower end through an adjustable nut, the lower end of the rotatable supporting arm is welded to the hanging bracket cross rod, the rotatable supporting arm can be rotated by the adjustable nut, and the rotation planes of the rotatable supporting arms on the same side are the same vertical plane.

[0008] Optionally, the top support arm upper end is connected with the baffle through a screw with a stop head and a nut.

[0009] Optionally, the main ladder middle part is provided with an adjustable inclination angle display disc.

[0010] The use method of the curved steel structure roof arc beam auxiliary steel climbing ladder device comprises the following steps:

[0011] Step one: steel climbing ladder welding and adjustable inclination angle display disc fixing

[0012] First, the step cross rod is welded with the main ladder to form a steel climbing ladder, and then the adjustable inclination angle display disc is fixed on the main ladder;

[0013] Step two: hanger welding

[0014] The hanger cross rod and the connecting piece are welded together, and then welded to the steel climbing ladder formed by welding the step cross rod and the main ladder, and then the rotatable support arm is welded with the hanger cross rod;

[0015] Step three: top support arm installation and fixing

[0016] Two baffles are welded on the upper and lower parts of the to-be-installed beam respectively, and then the two top support arms are connected with the four baffles on the upper and lower parts of the to-be-installed beam through a screw with a stop head and a nut on the left and right sides of the to-be-installed beam;

[0017] Step four: connection of the top support arm and the rotatable support arm

[0018] The top support arm and the rotatable support arm are connected through an adjustable nut;

[0019] Step five: when the to-be-installed beam is to be installed, the adjustable nut is adjusted to rotate the rotatable support arm, so as to adjust the inclination angle of the steel climbing ladder, and the angle data displayed on the adjustable inclination angle display disc is observed, the adjustable nut is fixed when the angle design requirement is met, and then hoisting installation operation is carried out;

[0020] Step six: when the to-be-installed beam is fixed at both ends, the installer can install other steel beams through the steel climbing ladder.

[0021] As described above, the curved steel structure roof arc beam auxiliary steel climbing ladder device sets a rotatable nut, which can adjust the angle of the auxiliary installation device in advance, serves as a reference for the installation angle of the irregular arc beam, is convenient for construction, simple to operate, reusable, suitable for auxiliary installation of the irregular arc beam of the curved steel structure roof, improves the installation efficiency and safety of the irregular arc beam of the curved steel structure roof, reduces the construction difficulty and risk, fully guarantees the operation safety of personnel in the installation operation process, saves manpower and material resources, speeds up the construction progress, and improves the comprehensive benefits. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the auxiliary steel ladder device for the curved steel roof arch beam of this utility model;

[0023] Figure 2 This is a top view schematic diagram of the auxiliary steel ladder device for the curved steel roof arch beam of this utility model;

[0024] Figure 3 This is a schematic diagram of the adjustable support arm structure of the auxiliary steel ladder device for the curved steel structure roof arc beam of this utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the auxiliary steel ladder device for curved steel roof beams of this utility model after removing the beam to be installed;

[0026] In the diagram: 1. Nut; 2. Baffle plate; 3. Top support arm; 4. Screw; 5. Adjustable nut; 6. Connector; 7. Step crossbar; 8. Main ladder frame; 9. Rotatable support arm; 10. Hanger crossbar; 11. Adjustable tilt angle display panel; 12. Beam to be installed. Detailed Implementation

[0027] The following combination Figures 1-3 The present invention will be described in further detail below.

[0028] This utility model discloses an auxiliary steel ladder device for curved steel structure roof arch beams, referring to... Figure 1 , Figure 2 and Figure 4 The system includes step crossbars 7, main ladder frame 8, and beam to be installed 12. Step crossbars 7 and main ladder frame 8 are connected to form a steel ladder. An adjustable tilt angle display panel 11 is provided in the middle of the main ladder frame 8. Steel ladders are provided on both sides of the beam to be installed 12. A hanger crossbar 10 is provided between the ends of the steel ladders on both sides of the beam to be installed 12. The hanger crossbar 10 is connected to the steel ladder through connectors 6. A baffle plate 2 is provided on the beam to be installed 12. Adjustable support arms are connected to both ends of the baffle plate 2. The other end of the adjustable support arm is connected to the hanger crossbar 10.

[0029] In a further implementation, refer to Figure 3 The adjustable support arm includes a top support arm 3 and a rotatable support arm 9. The upper end of the top support arm 3 is bolted to the baffle plate 2, and the lower end of the top support arm 3 is connected to the upper end of the rotatable support arm 9 through an adjustable nut 5. The lower end of the rotatable support arm 9 is welded to the hanger crossbar 10. The rotatable support arm 9 can be rotated by the adjustable nut 5, and the rotation plane of the rotatable support arm 9 on the same side is the same vertical plane. The upper end of the top support arm 3 is connected to the baffle plate 2 through a screw 4 with a stop and a nut 1.

[0030] The method for using the curved steel structure roof arc-shaped beam auxiliary steel climbing ladder device comprises the following steps:

[0031] Step one: steel climbing ladder welding and adjustable inclination angle display disc 11 fixing

[0032] First, the step horizontal rod 7 and the main ladder frame 8 are welded to form a steel climbing ladder, and then the adjustable inclination angle display disc 11 is fixed on the main ladder frame 8;

[0033] Step two: hanger welding

[0034] The hanger horizontal rod 10 and the connecting piece 6 are welded together, and then welded to the steel climbing ladder formed by welding the step horizontal rod 7 and the main ladder frame 8, and then the rotatable support arm 9 and the hanger horizontal rod 10 are welded;

[0035] Step three: installation and fixing of the top support arm 3

[0036] Two baffle plates 2 are welded on the upper part and the lower part of the to-be-installed beam 12 respectively, and then the two top support arms 3 are connected with the four baffle plates 2 on the upper part and the lower part of the to-be-installed beam 12 through the screw rod 4 with a stop head and the nut 1 on the left and right sides of the to-be-installed beam 12;

[0037] Step four: connection of the top support arm 3 and the rotatable support arm 9

[0038] The top support arm 3 and the rotatable support arm 9 are connected through the adjustable nut 5 to form an irregular arc-shaped beam auxiliary steel climbing ladder person installation construction device;

[0039] Step five: when the to-be-installed beam 12 is to be installed, the adjustable nut 5 is adjusted to rotate the rotatable support arm 9, so as to adjust the inclination angle of the steel climbing ladder, and the angle data displayed by the adjustable inclination angle display disc 11 is observed, the adjustable nut 5 is fixed after the angle design requirement, to prevent the inclination angle of the whole steel climbing ladder from changing, and then hoisting installation operation is carried out;

[0040] Step six: after the two ends of the to-be-installed beam 12 are fixed, the installer can install other steel beams through the steel climbing ladder to further ensure the use safety on site, save manpower and material resources, form once, speed up the construction progress, improve the comprehensive benefits, the operation is simple, convenient for workers to use on site, and the device can be disassembled and recycled.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit it. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A curved steel structure roof arc beam auxiliary steel climbing ladder device, characterized in that, The application relates to a steel ladder, which comprises step crossbars (7), main ladder frames (8) and a to-be-installed beam (12), the step crossbars (7) and the main ladder frames (8) are connected to form a steel ladder, the to-be-installed beam (12) is provided with the steel ladder on both sides, a hanger crossbar (10) is arranged between the end portions of the steel ladders on the two sides of the to-be-installed beam (12), the hanger crossbar (10) is connected with the steel ladder through a connecting piece (6), a partition plate (2) is arranged on the to-be-installed beam (12), adjustable supporting arms are connected to the two ends of the partition plate (2), and the other ends of the adjustable supporting arms are connected with the hanger crossbar (10).

2. The curved steel roof deck arcuate beam auxiliary steel crawl ladder device according to claim 1, characterized in that, The adjustable supporting arms comprise top supporting arms (3) and rotatable supporting arms (9), the upper ends of the top supporting arms (3) are bolted with the partition plate (2), the lower ends of the top supporting arms (3) are connected with the upper ends of the rotatable supporting arms (9) through adjustable nuts (5), the lower ends of the rotatable supporting arms (9) are welded with the hanger crossbar (10), the rotatable supporting arms (9) can be rotated by the adjustable nuts (5), and the rotating planes of the rotatable supporting arms (9) on the same side are the same vertical planes.

3. The curved steel roof deck arcuate beam auxiliary steel crawl ladder device according to claim 2, characterized in that, The upper ends of the top supporting arms (3) are connected with the partition plate (2) through a screw rod (4) with a stopper and a nut (1).

4. The curved steel roof deck arcuate beam auxiliary steel crawl ladder device according to claim 3, characterized in that, The middle portions of the main ladder frames (8) are provided with adjustable inclination angle display discs (11).

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