Integral forming method of insulating tube and conductive layer and insulating sleeve
A technology of conductive layer and insulating tube, applied in the direction of insulator, conductor/cable insulation, etc., can solve the problems of complex molding process, unfavorable product transportation and installation, and increased product weight
Active Publication Date: 2021-09-14
JIANGSU SHENMA ELECTRIC CO LTD
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Problems solved by technology
The cost of this process is high, the molding process is complicated, and the weight of the product increases due to the addition of a metal cylinder, which is not conducive to the transportation and installation of the product
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0026] see Figure 1 to Figure 3 , figure 1 It is a schematic flowchart of an embodiment of a method for integrally forming an insulating tube and a conductive layer provided by the present invention; figure 2 A structural schematic diagram of an insulating tube of an embodiment of a method for integrally forming an insulating tube and a conductive layer provided by the present invention; image 3 for figure 2 Schematic diagram of the enlarged structure i...
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Abstract
The invention relates to the field of power transmission insulation equipment, and specifically discloses a method for integrally forming an insulating tube and a conductive layer. The method includes the following steps: wrapping an inner insulating layer outside a mandrel; wrapping an inner insulating layer outside the inner insulating layer. Covering the conductive layer; wrapping the outer insulating layer on the outside of the conductive layer; curing and turning to obtain the insulating tube, and the outer insulating layer is turned to form at least one opening exposing the conductive layer. Through the above method, the present invention can integrally form the conductive layer in the wall of the insulating tube to play the role of shielding the electric field, avoiding the secondary installation of other electric field shielding parts, simplifying the forming process of the insulating tube and the conductive layer, and improving Improve production efficiency, ensure reliable connection of parts during transportation, and the overall weight of the insulating tube is light, which is convenient for transportation.
Description
technical field [0001] The invention relates to the field of power transmission insulation equipment, in particular to a method for integrally forming an insulating tube and a conductive layer and an insulating sleeve. Background technique [0002] In power transmission equipment, the insulating bushing is a connecting part between the power transmission and transformation equipment and the external line; the voltage level and working current of the insulating bushing depend on the rated voltage and current value of the power transmission and transformation equipment; at the same time, the insulating bushing The structure should have good electrical performance and sufficient mechanical strength to ensure the long-term normal operation of power transmission and transformation equipment. [0003] The common process uses a metal cylinder on the outer wall of the insulating tube, so that the flange is directly connected to the metal cylinder, and the metal cylinder plays the ro...
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IPC IPC(8): H01B13/08H01B17/58
Inventor 马斌张俊杰何利万刘超凡梁涛
Owner JIANGSU SHENMA ELECTRIC CO LTD