Auxiliary steel ladder stand device for curved-surface steel structure roof arc-shaped beam and using method of auxiliary steel ladder stand device

Abstract

The invention 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 to-be-installed beam, 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 to-be-installed beam. 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 steel structure roof arc-shaped beam is provided with the rotatable nut, the angle of the auxiliary mounting device can be adjusted in advance to serve as a reference for the mounting angle of an irregular arc-shaped beam, construction is convenient, operation is easy, repeated utilization can be achieved, the construction difficulty and risk are reduced, and the 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 invention relates to the technical field of civil engineering, and in particular to an auxiliary steel ladder device for an arc-shaped beam of a curved steel structure roof and a use method thereof. Background Art

[0002] With the continuous development of modern construction technology, curved steel structure roofs have been widely used in large stadiums, performing arts centers, commercial centers and public buildings due to their unique aesthetic appearance and good structural performance. However, in the construction process of curved steel structure roofs, especially for the installation of irregular curved beams, traditional construction methods have many challenges.

[0003] The installation of irregular curved beams on curved steel structure roofs often needs to be carried out at high altitudes, and construction workers need to climb to designated locations to operate. Traditional herringbone ladders or simple ladders can hardly meet the operational requirements of such complex curved surfaces, and there are problems such as great safety hazards and low construction efficiency. Especially on irregular curved beams, it is difficult for construction workers to find a stable foothold, which increases the difficulty of construction and safety risks.

[0004] In addition, the irregularity of the curved steel structure roof makes the measurement, positioning and correction work during the construction process particularly complicated. Traditional construction tools and methods are difficult to ensure the accuracy and precision of the construction, which in turn affects the structural stability and service life of the entire roof. Summary of the invention

[0005] The technical problem to be solved by the present invention is the difficulty in constructing the irregular arc beams of the existing curved steel structure roof.

[0006] In order to solve the above technical problems, the technical solution of the present invention is to provide an auxiliary steel ladder device for an arc-shaped beam of a curved steel structure roof, comprising a step cross bar, a main ladder frame and a beam to be installed, the step cross bar and the main ladder frame are connected to form a steel ladder, steel ladders are provided on both sides of the beam to be installed, a hanger cross bar is provided between the ends of the steel ladders on both sides of the beam to be installed, the hanger cross bar is connected to the steel ladder through a connecting piece, a baffle plate is provided on the beam to be installed, adjustable support arms are connected at both ends of the baffle plate, and the other end of the adjustable support arm is connected to the hanger cross bar.

[0007] Optionally, the adjustable support arm includes a top support arm and a rotatable support arm, the upper end of the top support arm is connected to the baffle plate bolts, the lower end of the top support arm is connected to the upper end of the rotatable support arm via an adjustable nut, the lower end of the rotatable support arm is welded to the hanger cross bar, the rotatable support arm can be driven to rotate by the adjustable nut, and the rotation planes of the rotatable support arms on the same side are the same vertical plane.

[0008] Optionally, the upper end of the top support arm is connected to the baffle plate via a screw with a stopper and a nut.

[0009] Optionally, an adjustable tilt angle display panel is provided in the middle of the main ladder frame.

[0010] The method for using the curved steel structure roof arc beam auxiliary steel ladder device comprises the following steps:

[0011] Step 1: Welding of steel ladder and fixing of adjustable tilt angle display panel

[0012] First, the step crossbar is welded to the main ladder frame to form a steel ladder, and then the adjustable tilt angle display panel is fixed on the main ladder frame;

[0013] Step 2: Hanger welding

[0014] The hanger crossbar is welded to the connecting piece, and then welded to the steel ladder formed by welding the step crossbar and the main ladder frame, and then the rotatable support arm is welded to the hanger crossbar;

[0015] Step 3: Install and fix the top support arm

[0016] Weld two baffles at the upper and lower parts of the beam to be installed respectively, and then connect the two top support arms to the four baffles at the upper and lower parts of the beam to be installed through screws and nuts with stoppers on the left and right sides of the beam to be installed;

[0017] Step 4: Connect the top support arm to the rotatable support arm

[0018] Connect the top support arm and the rotatable support arm via an adjustable nut;

[0019] Step 5: When installing the beam to be installed, adjust the adjustable nut to rotate the rotatable support arm, thereby adjusting the inclination angle of the steel ladder, and observe the angle data displayed on the adjustable inclination angle display panel. When the angle meets the design requirements, fix the adjustable nut and then carry out the lifting and installation operation;

[0020] Step 6: After both ends of the beam to be hoisted are fixed, the installer can use a steel ladder to assist in the installation of other steel beams.

[0021] To sum up, the auxiliary steel ladder device of the curved steel structure roof arc beam of the present invention is provided with a rotatable nut, which can adjust the angle of the auxiliary installation device in advance so that it can be used as a reference for the installation angle of the irregular arc beam. The device is convenient to construct, simple to operate, and reusable. It is suitable for the auxiliary installation of irregular arc beams on the curved steel structure roof, improves the installation efficiency and safety of irregular arc beams on the curved steel structure roof, reduces the construction difficulty and risk, fully guarantees the operation safety of personnel during the installation process, and can save manpower and material resources, speed up the construction progress, and improve the comprehensive benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of the curved steel structure roof arc beam auxiliary steel ladder device of the present invention;

[0023] Figure 2 This is a schematic diagram of the top view of the structure of the curved steel structure roof arc beam auxiliary steel ladder device of the present invention;

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

[0025] Figure 4 This is a schematic diagram of the structure of the curved steel structure roof arc beam auxiliary steel ladder device of the present invention after removing the beam to be installed;

[0026] In the figure: 1. nut; 2. baffle plate; 3. top support arm; 4. screw; 5. adjustable nut; 6. connector; 7. step cross bar; 8. main ladder frame; 9. rotatable support arm; 10. hanger cross bar; 11. adjustable tilt angle display panel; 12. beam to be installed. DETAILED DESCRIPTION

[0027] The following combination Figure 1-3 The present invention is described in further detail.

[0028] The present invention discloses a curved steel structure roof arc beam auxiliary steel ladder device, referring to Figure 1 , Figure 2 and Figure 4 , including a step cross bar 7, a main ladder frame 8 and a beam to be installed 12, the step cross bar 7 and the main ladder frame 8 are connected to form a steel ladder, an adjustable inclination 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 cross bar 10 is provided between the ends of the steel ladders on both sides of the beam to be installed 12, the hanger cross bar 10 is connected to the steel ladder through a connecting piece 6, a baffle plate 2 is provided on the beam to be installed, and adjustable support arms are connected at both ends of the baffle plate 2, and the other end of the adjustable support arm is connected to the hanger cross bar 10.

[0029] In a further embodiment, referring 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, 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 cross bar 10, the rotatable support arm 9 can be driven to rotate by the adjustable nut 5, and the rotation plane of the rotatable support arm 9 on the same side is the same vertical plane, and the upper end of the top support arm 3 is connected to the baffle plate 2 through a screw 4 with a stopper and a nut 1.

[0030] The present invention also discloses a method for using the curved steel structure roof arc beam auxiliary steel ladder device, comprising the following steps:

[0031] Step 1: Welding of steel ladder and fixing of adjustable tilt angle display panel 11

[0032] First, the step crossbar 7 and the main ladder frame 8 are welded to form a steel ladder, and then the adjustable tilt angle display panel 11 is fixed to the main ladder frame 8;

[0033] Step 2: Hanger welding

[0034] The hanger cross bar 10 is welded to the connecting piece 6, and then welded to the steel ladder formed by welding the step cross bar 7 and the main ladder frame 8, and then the rotatable support arm 9 is welded to the hanger cross bar 10;

[0035] Step 3: Installation and fixing of top support arm 3

[0036] Two baffle plates 2 are welded to the upper and lower parts of the beam 12 to be installed, respectively, and then two top support arms 3 are connected to the four baffle plates 2 at the upper and lower parts of the beam 12 to be installed by screws 4 with stoppers and nuts 1 on the left and right sides of the beam 12 to be installed;

[0037] Step 4: Connection between 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 by an adjustable nut 5 to form an irregular arc beam auxiliary steel ladder installation construction device;

[0039] Step 5: When installing the beam 12 to be installed, adjust the adjustable nut 5 to rotate the rotatable support arm 9, thereby adjusting the inclination angle of the steel ladder, and observe the angle data displayed on the adjustable inclination angle display panel 11. When the angle design requirement is met, fix the adjustable nut 5 to prevent the inclination angle of the entire steel ladder from changing, and then perform the lifting and installation operation;

[0040] Step 6: After both ends of the hoisting beam 12 are fixed, the installers can use the steel ladder to assist in the installation of other steel beams, which further ensures the safety of on-site use, saves manpower and material resources, forms in one go, speeds up the construction progress, improves the overall efficiency, is simple to operate, and is convenient for on-site workers to use. At the same time, it is detachable and easy to recycle.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A curved steel structure roof arc beam auxiliary steel ladder device, characterized in that: The invention comprises a step cross bar (7), a main ladder frame (8) and a beam to be installed (12), wherein the step cross bar (7) and the main ladder frame (8) are connected to form a steel ladder, steel ladders are arranged on both sides of the beam to be installed (12), a hanger cross bar (10) is arranged between the ends of the steel ladders on both sides of the beam to be installed (12), the hanger cross bar (10) is connected to the steel ladder via a connecting piece (6), a baffle plate (2) is arranged on the beam to be installed (12), and adjustable support arms are connected to both ends of the baffle plate (2), and the other end of the adjustable support arm is connected to the hanger cross bar (10).

2. The curved steel structure roof arc beam auxiliary steel ladder device according to claim 1 is characterized in that: The adjustable support arm comprises 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); the lower end of the top support arm (3) is connected to the upper end of the rotatable support arm (9) via an adjustable nut (5); the lower end of the rotatable support arm (9) is welded to the hanger cross bar (10); the rotatable support arm (9) can be driven to rotate by the adjustable nut (5), and the rotation planes of the rotatable support arms (9) on the same side are the same vertical plane.

3. The curved steel structure roof arc beam auxiliary steel ladder device according to claim 2 is characterized in that: The upper end of the top support arm (3) is connected to the baffle plate (2) via a screw rod (4) with a stopper and a nut (1).

4. The curved steel structure roof arc beam auxiliary steel ladder device according to claim 3 is characterized in that: The middle part of the main ladder frame (8) is provided with an adjustable tilt angle display panel (11).

5. The method for using the curved steel structure roof arc beam auxiliary steel ladder device according to claim 4 is characterized in that: The following steps are involved: Step 1: Welding of steel ladder and fixing of adjustable tilt angle display panel (11) First, the step crossbar (7) and the main ladder frame (8) are welded to form a steel ladder, and then the adjustable tilt angle display panel (11) is fixed on the main ladder frame (8); Step 2: Hanger welding The hanger cross bar (10) is welded to the connecting piece (6), and then welded to the steel ladder formed by welding the step cross bar (7) and the main ladder frame (8), and then the rotatable support arm (9) is welded to the hanger cross bar (10); Step 3: Install and fix the top support arm (3) Two baffle plates (2) are welded to the upper and lower parts of the beam (12) to be installed respectively, and then two top support arms (3) are connected to the four baffle plates (2) at the upper and lower parts of the beam (12) to be installed on the left and right sides of the beam (12) to be installed by means of screw rods (4) with stoppers and nuts (1); Step 4: Connecting the top support arm (3) to the rotatable support arm (9) Connecting the top support arm (3) and the rotatable support arm (9) via an adjustable nut (5); Step 5: When the beam to be installed (12) is to be installed, the adjustable nut (5) is adjusted to rotate the rotatable support arm (9), thereby adjusting the inclination angle of the steel ladder, and the angle data displayed on the adjustable inclination angle display panel (11) is observed. When the angle meets the design requirements, the adjustable nut (5) is fixed, and then the lifting and installation operation is carried out; Step 6: After both ends of the beam to be hoisted (12) are fixed, the installer can use a steel ladder to assist in installing other steel beams.

Images