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Reaction force cone cutting device

A technology of cutting device and reaction force cone, applied in the directions of large fixed members, maintenance and safety accessories, milling machine equipment, etc., can solve problems such as low cutting efficiency, reduce cutting quality, avoid uneven force on cables, and improve cutting efficiency Effect

Active Publication Date: 2021-02-26
UNIV OF JINAN
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] In order to solve the deficiencies of the prior art, the present invention provides a reaction force cone cutting device, which is used to solve the problem of low cutting efficiency of the reaction force cone cutting device in the prior art

Method used

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Embodiment Construction

[0059] In the production of cable terminals, due to the cutting of the metal sheath and insulation, the original uniform radial distribution of the electric field gradient in the cable insulation is destroyed, and the power lines are concentrated at the shielding fracture of the outer semiconducting layer, where the electric field intensity distribution is the most uneven , the field strength is the highest, and breakdown accidents are most likely to occur. Due to the increase in the cross-section of the conductor joint, the thickness and dielectric constant of the additional insulation are different from the insulation of the cable body, the electric field distribution in the cable terminal and the intermediate joint is compared with that of the cable itself. This change is mainly manifested in the axial electric field strength along the direction of the cable insulation surface, or axial stress.

[0060] In order to improve the electric field distribution in this part, it is ...

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Abstract

The invention provides a reaction force cone cutting device which is used for solving the problem that in the prior art, a reaction force cone cutting device is low in cutting efficiency. The device comprises a workbench, a clamping assembly, a cutting assembly and an ejector rod assembly, wherein the clamping assembly, the cutting assembly and the ejector rod assembly are mounted on the workbench. The clamping assembly is of a three-jaw chuck structure and used for adjusting the axis of a cable and making the axis of the cable consistent with the axis of a hollow shaft I. The cutting assemblycomprises a sliding table, a swing mechanism and a milling cutter swing mechanism, cutting is conducted through three milling cutters which are evenly distributed, and a conical cutting area is formed when the milling cutters work; and the ejector rod assembly supports the end part of a cable conductor inner core. The chuck structure is matched with a lead screw to complete centering and pressingof the cable, and the ejector rod assembly is used for fixing the cable to prevent deformation of the cable in the cutting process. The cylindrical milling cutters are adopted, so that the surface quality of a cut reaction force cone can be ensured. Three milling cutters are used for cutting simultaneously, cutting force is balanced, and the situation that cutting quality is reduced due to unevencable stress is avoided.

Description

technical field [0001] The invention relates to the technical field of a reaction force cone cutting device for cables. Background technique [0002] In the manufacturing process of the submarine cable reactor, it is required to strip the insulation at the end of the wire core, cut the "pencil head" and retain the inner semiconducting layer. Specifically, when cutting the wire core insulation, the knife edge must not damage the conductor. , not to deform the conductor. When cutting the "pencil head", the cone surface should be round, uniform and symmetrical, and polished with sandpaper, and the cutting edge should not scratch the conductor. No insulation traces shall be left on the surface of the reserved inner semiconducting layer, the port shall be flat and the surface shall be smooth and clean. [0003] The patent technical document CN111531393A discloses a cable radial cutting system and its reaction force cone processing equipment. The cable radial cutting system incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R43/28B23Q11/00B23C3/00B23Q1/25B21F11/00B23B31/103
CPCH01R43/28B21F11/00B23C3/00B23Q1/25B23Q11/0067B23B31/103
Inventor 高常青曲爱涛余超吴绍聪董辉赵云
Owner UNIV OF JINAN
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