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Longitudinal wrapping mold for outer conductor of radiation leaky cable and method for forming outer conductor

A technology of longitudinally wrapping molds and outer conductors, used in cable/conductor manufacturing, electrical components, circuits, etc., can solve problems such as the deformation of the outer conductor copper tape slot, avoid the problem of slot deformation, and solve the problem of serious deterioration of coupling loss. Effect

Active Publication Date: 2018-06-19
CHENGDU DATANG CABLE
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a longitudinal wrapping mold for covering the outer conductor of a radial leaky cable. Using this mold can effectively solve the problem of slot deformation of the copper strip of the outer conductor

Method used

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  • Longitudinal wrapping mold for outer conductor of radiation leaky cable and method for forming outer conductor
  • Longitudinal wrapping mold for outer conductor of radiation leaky cable and method for forming outer conductor
  • Longitudinal wrapping mold for outer conductor of radiation leaky cable and method for forming outer conductor

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Embodiment Construction

[0024] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] like figure 1 , figure 2 , image 3 , Figure 4 As shown, a radiation leaky cable outer conductor longitudinal wrapping mold is used to wrap the outer conductor 1 (the outer conductor 1 is a copper strip with slots) on the cable core 2. The longitudinal wrapping mold includes a mold body 3, and the mold body 3. It includes a trumpet-shaped bag tube 30 wound from double-layer cloth and a fixing part 31 for fixing the bag tube 30 (in this example, the fixing part 31 is a metal plate, and the metal plate is located under the bottom of the bag tube 30 and bonded to the bottom of the bag tube 30), the material of the double-layer cloth is a polymer material (the polymer material is nylon or polytetrafluoroethylene), and the bag tube 30 has a structure formed between the double-layer cloth for the outer conducto...

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Abstract

The invention relates to a radiation leaky cable outer conductor longitudinal package mold and a longitudinal package forming method. The longitudinal package mold comprises a mold body. The mold body comprises a trumpet-shaped cloth bag tube which is formed by winding double-layer cloth and a fixing part which is used for fixing the cloth bag tube. The cloth bag tube comprises a first passage which is formed between the double-layer cloth and a wound second passage. An outer conductor passes through the first passage. A cable core passes through the second passage. The longitudinal package forming method provided by the invention comprises the steps that the longitudinal package mold enables the belt-like outer conductor and the cable core to run into the entrance of the first passage and the second passage through continuous application of traction force; the outer conductor and the cable core walk in the first passage and the second passage and run out of the exit; when the belt-like outer conductor walks in the first channel, the belt-like outer conductor gradually forms a cylinder with the cloth bag tube; and the cylindrical outer conductor at the exit wraps the cable core. According to the longitudinal package mold and the method, the slot hole of the outer conductor is not easily deformed.

Description

technical field [0001] The invention relates to a longitudinal wrapping mold for an outer conductor of a radiation leaky cable and a forming method for the outer conductor. Background technique [0002] At present, the longitudinal wrapping dies commonly used for the outer conductor of radial leaky cables generally adopt the longitudinal wrapping dies rolled from steel plates or the longitudinal wrapping dies formed by machining steel materials. The mold belongs to forced longitudinal wrapping, and the formed strip is subjected to a large force during the forming process. Since the copper tape of the outer conductor of the radiation-type leaky cable is punched with slots, its structure is uneven, and stress concentration tends to occur around the slots when the force is applied, resulting in deformation of the slots. The deformed slot leads to serious degradation of the coupling loss of the radial leaky cable. This kind of technological problem has been perplexing the tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/26
CPCH01B13/26
Inventor 田祥身罗仕木黄堃张磊
Owner CHENGDU DATANG CABLE
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