Welding tool special for airplane external equipment square cabin

Abstract

The invention discloses a welding tool special for an aircraft external equipment shelter, and belongs to the technical field of aircraft equipment repair and fitment.The bottom of the welding tool is a ground platform, a welding frame is fixed to the ground platform, an upper platform is fixed to the upper portion of the welding frame and serves as a two-layer operation platform, and a ladder is arranged between the upper platform and the ground; the bottom of the ladder is supported on the ground through a footing assembly. The device is simple and practical in structure, compared with manual supporting in the prior art, flatness of a square cabin chassis can be guaranteed, deformation can be controlled, the size can be guaranteed, high practicability, convenience, accuracy and safety are achieved, and meanwhile safety accidents caused by manual supporting can be reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of aircraft equipment repair and assembly, and particularly relates to a special welding tooling for the cabin of aircraft external equipment. Background Art

[0002] After the external equipment of a certain type of aircraft is removed from the aircraft, it needs to be stored in a special cabin. However, the existing method for welding and manufacturing the cabin uses manual support, resulting in problems such as deviation in the perpendicularity of the bottom beams, distortion and deformation in the overall welding of the cabin, and the inability to normally open the door end. There are even safety accidents caused by manual support. Summary of the Invention

[0003] The present invention provides a special welding tooling for the cabin of aircraft external equipment, which facilitates the welding and forming of the bottom plate, top plate, side plates, and both door ends of the cabin, ensures that the bottom beams are perpendicular without deviation, and guarantees that there are no problems such as distortion and deformation in the overall welding of the cabin and the inability to normally open the door end. It achieves the purpose of facilitating the support of each plate and cross beam during the cabin assembly welding, facilitating welding, controlling the deformation amount, ensuring the dimensions, and reducing the personnel configuration.

[0004] The present invention adopts the following technical solutions:

[0005] A special welding tooling for the cabin of aircraft external equipment, the special welding tooling includes a foot component 1, a ladder 2, a welding frame 3, an upper platform, and a ground platform 4.

[0006] The ground platform 4 is used to provide support force for the entire special welding tooling, and is an integrated platform structure or a combination of multiple platform structures for installation and use, to ensure the flatness of the cabin chassis and control the deformation amount.

[0007] The welding frame 3 is an overall rectangular frame structure, with positioning columns 3-1 at its four corners. The main body of the positioning column 3-1 is an H-shaped steel, and a base 3-2 is provided at the bottom. It is positioned, locked, and installed on the bottom platform 4 through a platform positioning pin to ensure that the welding frame 3 will not tip over; the adjacent positioning columns 3-1 are fixedly supported by square tubes. To ensure the stability of the welding frame 3, multiple square tubes with different heights are fixed between the adjacent positioning columns 3-1.

[0008] The upper platform is overall U-shaped, fixed on the upper part of the welding frame 3 and surrounding the welding frame 3 to form an upper operation platform; the upper platform is fixedly composed of square tubes to form a platform bottom frame. After installing a steel plate in the platform bottom frame and riveting an anti-slip aluminum plate, the platform bottom frame is fixed on the positioning columns 3-1 of the welding frame 3, and several square tubes are fixed between its bottom and the welding frame 3 to achieve a supporting effect; a side guardrail is fixed on the outside of the upper platform, and the side guardrail is welded by steel pipes.

[0009] A ladder 2 is provided between the upper platform and the ground. The bottom of the ladder 2 is supported on the ground by a foot component 1. The upper end is fixed to the platform bottom frame of the upper platform, and handrails are provided on both sides, which are fixedly connected to the side guardrails of the upper platform. The foot component 1 includes a lower bottom plate 1-1 and a bottom plate support rod 1-2 fixed on the bottom plate 1-1. The bottom plate 1-1 is wrapped with a rubber bowl 1-3 to increase the friction with the ground. The upper end of the bottom plate support rod 1-2 is fixed to the bottom of the ladder 2.

[0010] Advantages of the present invention:

[0011] The structure of the present invention is simple and practical. Compared with the prior art that uses manual support, it can ensure the flatness of the square cabin chassis, control the deformation amount, ensure the dimensions, and has high practicality, convenience, accuracy, and safety. At the same time, it can also reduce safety accidents caused by manual support. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a three-dimensional schematic diagram of the overall structure of the present invention;

[0013] Figure 2 is a three-dimensional schematic diagram of the overall structure after the square cabin is welded and formed;

[0014] Figure 3 are the three views of the overall structure of the present invention. Among them, (a) is the front view, (b) is the side view, (c) is the enlarged view at A, and (d) is the top view;

[0015] Figure 4 is a schematic diagram of the structure of the foot component;

[0016] Figure 5 is a schematic diagram of the structure of the ladder. Among them, (a) is the front view, (b) is the side view, and (c) is the enlarged view at B;

[0017] Figure 6 is a schematic diagram of the structure of the welding frame. Among them, (a) is the front view, (b) is the side view, and (c) is the top view;

[0018] Figure 7 is a schematic diagram of the installation of the positioning column. Among them, (a) is the front view and (b) is the side view;

[0019] Figure 8 is a schematic diagram of the structure of the base. Among them, (a) is the top view and (b) is the front view;

[0020] In the figure: 1 foot component; 2 ladder; 3 welding frame; 4 ground platform; 1-1 bottom plate; 1-2 bottom plate support rod; 1-3 rubber bowl; 3-1 positioning column; 3-2 base. DETAILED DESCRIPTION OF THE INVENTION

[0021] In order to make the objectives, technical solutions, and advantages of the present invention more clear and understandable, the following will describe the specific embodiments of the present invention in detail with respect to the technical solutions.

[0022] This embodiment provides a special welding tooling for an aircraft external equipment cabin, as Figures 1 to 3 shown. The special welding tooling includes a foot component 1, a ladder 2, a welding frame 3, an upper platform, and a ground platform 4.

[0023] The ground platform 4 is used to provide support for the entire special welding tooling. It is assembled and used by multiple platform structures, and the platform structures are fixedly connected by bolts to ensure the flatness of the cabin chassis and control the deformation amount.

[0024] The welding frame 3 is an overall rectangular frame structure (as Figure 6 ), and its four corners are positioning columns 3-1 (as Figure 7 ). The main body of the positioning column 3-1 is an H-beam, and a base 3-2 is welded at the bottom (as Figure 8 ). The base 3-2 is provided with two strip holes in the horizontal and vertical directions respectively. The welding frame 3 is positioned and locked on the bottom surface platform 4 through platform positioning pins to ensure that the welding frame 3 will not tip over; multiple square tubes with different heights are welded between adjacent positioning columns 3-1 to achieve fixed support. To ensure the stability of the welding frame 3, H-beams, backing plates, channel steels, etc. are additionally welded at the joints of the square tubes and the positioning columns 3-1.

[0025] The upper platform is integrally U-shaped, welded and fixed on the upper part of the welding frame 3 and surrounding the welding frame 3 to form an upper operating platform; the upper platform is composed of square tubes welded to form a platform bottom frame. After welding steel plates in the platform bottom frame, anti-slip aluminum plates are riveted. The platform bottom frame is welded and fixed on the positioning columns 3-1 of the welding frame 3, and several square tubes are fixed between its bottom and the welding frame 3 to achieve a supporting effect; side guardrails are fixed on the outside of the upper platform, and the side guardrails are welded by steel pipes.

[0026] As Figure 5 shown, a ladder 2 is provided between the upper platform and the ground. The main frame of the ladder is welded by steel pipes. After welding steel plates on the steps, anti-slip aluminum plates are riveted. The upper end of the main frame of the ladder 2 is fixed to the platform bottom frame of the upper platform, and the bottom is supported on the ground through the foot component 1. Handrails are welded on both sides of the main frame, and the handrails are welded by steel pipes, and their tops are welded to the side guardrails of the upper platform; as Figure 4 shown, the foot component 1 includes a bottom plate 1-1 at the lower part and bottom plate support rods 1-2 fixed on the bottom plate 1-1. The bottom plate 1-1 is wrapped with rubber bowls 1-3 to increase the friction with the ground, and the upper ends of the bottom plate support rods 1-2 are welded to the bottom of the main frame of the ladder 2.

Claims

1. A special welding tooling for the cabin of aircraft external equipment, characterized in that The described special welding tooling includes a ladder (2), a welding frame (3), an upper platform, and a ground platform (4); the welding frame (3) is fixed on the ground platform (4), the upper platform is fixed on the upper part of the welding frame (3) and surrounds the periphery of the welding frame (3) to form an upper operation platform, and the ladder (2) is arranged between the upper platform and the ground.

2. The special welding tooling for the aircraft external equipment cabin according to claim 1, characterized in that, The welding frame (3) is an overall rectangular frame structure, with positioning columns (3-1) at its four corners. The main body of the positioning column (3-1) is an H-beam, and a base (3-2) is provided at the bottom. It is positioned, locked, and installed on the bottom surface platform (4) through a platform positioning pin; the adjacent positioning columns (3-1) are fixedly supported by square tubes.

3. The special welding tooling for the aircraft external hanging equipment cabin according to claim 1, wherein, The upper platform is overall U-shaped, composed of square tubes fixed to form a platform bottom frame. After installing steel plates in the platform bottom frame, anti-slip aluminum plates are riveted. The platform bottom frame is fixed on the welding frame (3), and several square tubes are fixed between its bottom and the welding frame (3) to achieve a supporting effect; side guardrails are fixed on the outside of the upper platform, and the side guardrails are welded by steel tubes.

4. A special welding tooling for an aircraft external pod equipment cabin according to claim 1, characterized in that, The bottom of the ladder (2) is supported on the ground through a bottom foot assembly (1), the upper end is fixed to the upper platform, and handrails are provided on both sides.

5. The special welding tooling for the aircraft external pod equipment according to claim 4, characterized in that, The bottom foot assembly (1) includes a lower bottom plate (1-1) and bottom plate support rods (1-2) fixed on the bottom plate (1-1). The bottom plate (1-1) is wrapped with rubber bowls (1-3), and the upper ends of the bottom plate support rods (1-2) are fixed to the bottom of the ladder (2).

Images