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Cold bolt installer

A technology of installers and bolts, applied in metal processing, metal processing equipment, hand-held tools, etc., can solve the problems of easily damaged skin hole walls, unstable quality, secondary out-of-tolerance, etc., to reduce the risk and cost of repair , Reduce the difficulty of operation and facilitate the effect of taking and placing

Pending Publication Date: 2022-02-08
AVIC SAC COMML AIRCRAFT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of the structure and space of the exterior of the fuselage skin and many parts, it is impossible to use static pressure to install the cold bolt according to the technical specifications. Instead, the riveting gun is used to press the cold bolt with impact force. There are very high requirements, and the quality of this method is unstable, and there is a high probability of tilting after installation, and it is very easy to damage the skin hole wall, causing secondary out-of-tolerance, and even causing major scrapping
After investigation, there is no similar cold bolt installation tool exists

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A cold insert mount, including a cold plug, a positive device and a compression device;

[0029] The compression device includes a suction cup 1, a vacuum exhaust assembly 2, a threaded wire rod 3, a slider 4, a rotary lever handle 5, and a precision rail A11; a cold insert mount is a symmetrical structure, which is an example of the left side:

[0030] The suction cup 1 is provided with a vacuum exhaust assembly 2 in which the suction cup 1 is communicating, the lower portion of the threaded rod 3 is fixed to the vacuum exhaust assembly 2, and the upper portion of the threaded rod 3 is provided with a rotary lever handle 5; The lower portion of the threaded rod 6 is connected to the side of the slider 7, and the upper portion of the threaded screw rod 6 is provided with a rod handle 10, and the central vertical direction of the compression head 7 is provided with a through hole, pressure. The bearing 8 is connected to the threaded screw 6 by a bolt 6; the slider 4 is provi...

Embodiment 2

[0034] The cold toll mount is composed of an automatic finding device and a compression device, first in the mounting of the mounting body, the mounting of the adhesive pad chuck 1 is used to generate a vacuum, and secure the mount to around the installation area by means of atmospheric pressure, and then adjust the tightness 9 Position, cause the pressurizing head to generate a compressive force perpendicular to the surface of the skin, and achieve the function of the cold plug installation. When installing the cold plug, the compression head can be disassembled and the cold plug is simultaneously placed in liquid nitrogen. After cooling, the bottom plate 15 is advanced above the mounting hole, and the V-type guiding groove of the bottom plate 15 intersects the mounting hole. A precision slide is installed on the base. Precision rail 11 is used to connect the slider 4 and the base to make the slider can do linear motion. Slider 4 can push fast and accurate cold plugs to the corre...

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Abstract

The invention belongs to the technical field of cold bolt installation, and particularly relates to a cold bolt installer. The cold bolt installer comprises a cold bolt alignment device and a pressing device, wherein the pressing device comprises a suction cup, a vacuum exhaust assembly, a threaded lead screw, a sliding block, a rotating rod handle and a precise sliding rail A; and the cold bolt installer is of a symmetrical structure. According to the invention, operation difficulty can be reduced; secondary repair and even serious scrapping caused by wrong selection of repair tools are effectively avoided; and repair risks and cost are reduced. With the cold bolt installer, the original success rate of cold bolt installation work is increased to 90% or above from 30%, and a requirement for static installation of a cold bolt in various machine type specifications is met. The cold bolt installer is small in size, easy to operate, convenient to take and place and low in cost, a cold bolt installation success rate is effectively increased, and repair risks are reduced. The repair cost can be effectively controlled. The installer fills in a market blank, can be suitable for installation operation of cold bolts in various types of machines, and has wide market prospects.

Description

Technical field [0001] The present invention belongs to the field of cold tubing, and more particularly to a cold insert mount. Background technique [0002] In the aircraft structure assembly, the skin has failed due to the pore, and the general engineering is generally returned. Due to the external and multi-parts of the body skin, the components such as structures, space, etc., cannot be used in accordance with technical specifications, but use rivemen to use the impact force to press the cold plug, this method for the operator's skills There is a high demand, and this method is unstable, and the probability of a larger probability will be tilted after installation, and it is extremely vulnerable to the skin hole wall, and even a major scrap. After investigation, there is no such as a cold insert installation tool. In order to reduce the installation of the error rate, improve the quality of the cold plug installation, reduce the cost of rework, and more importantly, to ensure...

Claims

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Application Information

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IPC IPC(8): B25B27/02B23P11/02
CPCB25B27/023B23P11/025
Inventor 刘博刘敏孙文强方孟泰杨艳瑞吴敌
Owner AVIC SAC COMML AIRCRAFT