Threading method for super length-diameter ratio cable
A threading method and cable technology, which is applied in the direction of cable/conductor manufacturing, circuits, electrical components, etc., can solve problems such as difficult to pass through, high resistance between iron wire a and rubber sleeve b, time-consuming and labor-intensive, etc., and the method is simple easy effect
Inactive Publication Date: 2014-03-19
中国船舶重工集团公司第七〇五研究所
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Problems solved by technology
Adopt iron wire a threading or direct threading; due to the high resistance between iron wire a and rubber sleeve b, it is difficult to pass through rubber sleeve b; it can be done for short cables, but it is time-consuming and labor-intensive, and is only suitable for small The length-to-diameter ratio of the cable is completed; the cable forming of the ultra-long-to-diameter ratio cannot be realized
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[0032] refer to figure 1 . The specific steps of the threading method of the super-aspect ratio cable of the present invention are as follows:
[0033] First, prepare the cut single-core cable and the cable protective cover c.
[0034] Then, the selected wire b is passed through the cable protective sheath c by air force.
[0035] Furthermore, bind two or several single-core cables at one end of line b; pull line b at the other end until the single-core cables completely enter the cable protective sheath c.
[0036] At this point, the cable is finished.
[0037] The present invention uses aerodynamic force to pass the line b through the pressure air pipe a; specific instructions:
[0038] Select an aerodynamic device (air compressor) that meets the requirements of use; displacement ≥ 0.11m 3 / min; close the output compressed air valve, turn on the air compressor, inflate the air compressor to raise the air pressure to a stable level, and then adjust the pressure to the r...
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Abstract
The invention discloses a threading method for a super length-diameter ratio cable to solve a technical problem that the threading of a super length-diameter ratio cable is difficult to complete by using an existing cable threading method. The technical scheme is that a small opening is arranged in a radial direction at a port close part of a cable protection sleeve (c) close to a pressure air tube (a), a connection joint of the pressure air tube (a) and the cable protection sleeve (c) is installed, a wire (b) and a plug (d) are connected, then the wire (b) passes through the cable protection sleeve (c) from the small opening, a plurality of single-core cables are bound at one end of the wire (b), the other end of the wire (b) is pulled until the whole part of the single-core cable enters into the cable protection sleeve (c), and an air compressor output air value is started to start threading. According to the threading method, the threading of the super length-diameter ratio cable is realized, and the method is simple and easy.
Description
technical field [0001] The invention relates to a cable threading method, in particular to a cable threading method with a super aspect ratio. Background technique [0002] The super aspect ratio means that the ratio of the length of the cable to the diameter of the end face is greater than 100 or the ratio is close to infinity; let a be the length of the cable, and b be the diameter of the end face of the cable in m; then There are a / b≥100 or a / b≈∞; for example: a cable with a diameter of 1mm and a length of 100m has an aspect ratio of 1000; so we call it a super aspect ratio cable. [0003] There are many types of cables used in daily industrial production, and the usage conditions are different; according to some technical indicators such as the carrying power of the cable, the power line loss rate of the cable, shielding, unshielding, and terminal series, the diameter of the cable is And single-core, double-core or multi-core and wire to choose; so the country has clear...
Claims
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IPC IPC(8): H01B13/22
Inventor 李教练姚振轩郑科白岚
Owner 中国船舶重工集团公司第七〇五研究所