A crimping method suitable for large cross-section carbon fiber composite core conductors

A technology of carbon fiber and composite core, which is applied in the direction of connection, line/collector parts, electrical components, etc. It can solve the problem that the deformation cannot be transmitted to the wire, the crimping of the wire is not tight, and the mechanical connection and electrical connection performance of the wire and the hardware are affected. problems, to achieve tight crimping, to solve gap problems, to ensure the effect of mechanical connection and electrical connection performance
CN107528189BActive Publication Date: 2020-05-01ZHONGFU CARBON FIBER CORE CABLE TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHONGFU CARBON FIBER CORE CABLE TECH
Publication Date
2020-05-01

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Abstract

The invention relates to a crimping method applicable to large-section carbon fiber composite core wires. The method is applicable when a wire has four or more layers of aluminum conductor monofilaments. Hierarchical crimping is adopted, namely, two layers are crimped at a time from inside to outside, and crimping is carried out time by time. First, an internal carbon fiber composite core rod and two innermost layers of aluminum conductor monofilaments are crimped, then, two layers of aluminum conductor monofilaments outside the two innermost layers are crimped, and so on, until the outermost layer of aluminum conductor monofilaments is crimped. The method is applicable to large-section carbon fiber composite core wires. When a large-section wire is crimped using the method of the invention, as hierarchical time-by-time crimping is adopted, the problem that there is a gap between the inner diameter of an aluminum tube and the outer diameter of the wire under crimping deformation is solved, the wire can be crimped tightly, and the performance of mechanical connection and electrical connection between the wire and fittings is ensured.
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Description

technical field

[0001] The invention relates to a wire crimping method, in particular to a crimping method suitable for large cross-section carbon fiber composite core wires. Background technique

[0002] With the rapid development of the power industry, a new type of carbon fiber composite core aluminum alloy wire has been widely used due to its technical characteristics such as light weight, high strength, small sag, and long service life. Large-capacity power is gradually required, and the result is the birth of large-section wires. When crimping large-section wires, when the mold crimps the crimping barrel (aluminum tube), the deformation occurs gradually from the outside to the inside. Since there is a certain gap between the monofilaments during the wire manufacturing process, for the convenience of installation, There is a certain gap between the inner diameter of the aluminum tube and the outer diameter of the wire, so the deformation caused by crimping cannot be tr...

Claims

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