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Method for fixing cable below oil tank bottom plate

A fixing method and cable technology, applied in the electrical field, can solve the problems of cable falling off, occupying, unsuitable for installing cables, etc., and achieve the effect of ensuring clearance and reliable fixing

Inactive Publication Date: 2016-06-29
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is: due to the particularity of the shape of the clamp, the installation angle of the clamp needs to occupy a part of the space, and the space between the bottom plate of the fuel tank and the top surface of the wing cannot be fully utilized, so this method is not suitable for installing larger thick cable
The disadvantage of this method is that the adhesive tape is not very reliable, and it is easy to cause the cable to fall off.

Method used

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  • Method for fixing cable below oil tank bottom plate
  • Method for fixing cable below oil tank bottom plate
  • Method for fixing cable below oil tank bottom plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] See Figure 4 -to Image 6 .

[0020] A pair of ribs 2 are milled out on the bottom plate of the fuel tank 1, and the distance between the ribs is adapted to the diameter of the cable; the height of the ribs meets the fixing requirements of the upper corner piece 9 of the clamp 4.

[0021] Make holes on the ribs, and the hole diameter is compatible with the fixing screws 6 of the corner pieces;

[0022] laying the cable 2 between the two ribs;

[0023] Wrap the cable with the semicircular clamp 4, and use the screw 6 and the nut 5 to fix the semicircular clamp and the rib.

[0024] Cassette 8 is an aluminum alloy sheet, which not only ensures bearing capacity, but is also not easy to deform or break; gasket 7 is made of rubber material, wraps the cassette, and prevents wear between the clamp and the cable; Riveting is used to ensure the connection strength. The groove in the middle of the corner piece can completely wrap the ribs 3 on the structure, and the screws a...

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Abstract

The invention discloses a method for fixing cables under the bottom plate of an oil tank. A pair of ribs integrated with the bottom plate of the fuel tank are arranged, and the distance between the ribs is adapted to the diameter of the cable; holes are made on the ribs; and cables are laid between the two ribs Between; Wrap the cable with a semicircular clamp and fix the semicircular clamp to the rib. The invention has the following advantages, that is, the space between the bottom plate of the fuel tank and the wing is fully utilized, the vertical displacement of the cable is limited, the gap between the cable and the structure is ensured, and the fixing is reliable.

Description

technical field [0001] The invention relates to electrical technology, especially electrical cable laying technology. Background technique [0002] Cables need to be laid under the bottom plate of the fuel tank of the aircraft fuselage. Due to the limited space between the fuel tank of the fuselage and the top of the wing, and the suspension installation, how to ensure the gap between the cable and the structure and better control the cable without damaging the sealing of the fuel tank? The amount of overhang is quite critical. [0003] Generally, there are three ways to fix the cables on the bottom plate of the fuel tank. One is to mill ribs on the bottom plate, and rivet the HB3-27LB clamp on the ribs to fix the cables, such as figure 1 shown. The disadvantage of this method is: due to the particularity of the shape of the clamp, the installation angle of the clamp needs to occupy a part of the space, and the space between the bottom plate of the fuel tank and the top su...

Claims

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Application Information

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IPC IPC(8): H02G3/00
Inventor 高云鹤帅朝林罗进游城唐万忠
Owner CHENGDU AIRCRAFT INDUSTRY GROUP