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A method for manufacturing a corner-type shield ring for a gas insulate metal-enclosed switch

A gas-insulated metal, closed switch technology, used in switchgear, electrical components, substation/distribution device casings, etc., can solve the problems of prolonged product manufacturing cycle, no profit space for enterprises, long mold opening cycle, etc., and achieve manufacturing costs. Low, ensuring on-time delivery and high processing efficiency

Active Publication Date: 2018-12-21
YANG ZHOU MEIHUA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Recently, the company has received a small batch of corner shielding rings, because the batch is very small, if the bending equipment is purchased solely for this small batch of new products, the cost is too high, and the company has no profit margin at all; in addition, if the bending equipment is purchased, not only It is the cost of purchasing equipment, and it is necessary to re-open the mold that matches the bending equipment and the product. This is undoubtedly a considerable expense. In addition, the mold opening cycle is long, which seriously prolongs the product manufacturing cycle.

Method used

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  • A method for manufacturing a corner-type shield ring for a gas insulate metal-enclosed switch
  • A method for manufacturing a corner-type shield ring for a gas insulate metal-enclosed switch
  • A method for manufacturing a corner-type shield ring for a gas insulate metal-enclosed switch

Examples

Experimental program
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Effect test

Embodiment 1

[0083] A method for manufacturing a corner-type shielding ring for a gas-insulated metal-enclosed switch,

[0084] a. Preparation before processing; two pairs of metal pipes and two mounting plates 24 with pre-opened threaded mounting holes are prepared in advance; one pair of A1 and A2 pipes of the two pairs of metal pipes is used to process the left pipe 1 of the shielding ring , the right side tube 2, and another pair of B1 and B2 tubes are used to process the upper side tube 3 and the lower side tube 4;

[0085] b. Process the upper side pipe; use special processing tooling to process the first-level corner and the second-level corner of the B1 pipe, and the processed corner-shaped elbow is both the upper side pipe;

[0086] c. Process the lower side pipe; use special processing tooling to process the first-level corner and the second-level corner of the B2 pipe, and the processed corner-type elbow is both the lower side pipe;

[0087] d. Welding the left side pipe; After...

Embodiment 2

[0101] In this embodiment, on the basis of Example 1, the lower half of mandrel I16 and mandrel II21 are both milled into a racetrack-shaped flat rod body 23; The groove width of groove 8, the narrow face width of the flat rod body of mandrel II 21 is less than the groove width of big roller disc movement chute 7. The inner diameter of positioning hole I9, the inner diameter of positioning hole II10 are greater than or equal to the outer diameter of mandrel I16, and are also greater than the groove width of the small roller movement chute 8; the inner diameter of positioning hole III12, and the inner diameter of positioning hole IV13 are greater than or equal to the outer diameter of mandrel II21 , is also greater than the groove width of the large roller disc movement chute 7. The arc trajectory of the small roller disk movement chute 8 is concentric with the large roller disk 19; the arc trajectory of the large roller disk movement chute 7 and the small roller disk 14 are co...

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Abstract

The invention discloses a manufacturing method of a corner-type shielding ring for a gas-insulated metal-enclosed switch, which solves the problems of high manufacturing cost, small profit space and long production period of a small batch product produced by a traditional enterprise. The invention mainly comprises a manufacturing method of a corner-type shielding ring by using a special processingtool. The manufacture cost of the invention is very low compared with purchase bending equipment, the manufacturing cost of the enterprise is greatly reduced, the delivery on time is ensure, the reputation of the enterprise is maintained, and considerable economic benefit is created for the enterprise; the manufacturing cost of the bending equipment is very low compared with purchasing the bending equipment. The manufacturing method can achieve forming at one time, high processing efficiency, high accuracy; The method of the invention has the advantages of quick and simple operation, strong practicability, and is particularly suitable for small batch production and sample trial production.

Description

technical field [0001] The invention belongs to the technical field of electric power equipment, and in particular relates to a corner-type gas-insulated metal-enclosed switch with low manufacturing cost, quick and convenient operation, greatly reduced enterprise equipment purchase cost, and suitable for small batch production and sample trial production. Manufacturing method of the shielding ring. Background technique [0002] Gas-insulated metal-enclosed switch is abbreviated as GIS in English, which is composed of circuit breaker, disconnector, grounding switch, transformer, lightning arrester, busbar, connector, outlet terminal and basin insulator. Among them, the pot insulator is a very important solid inner insulator in GIS. The shielding ring fixed on it can ease the electric field between the pot insulator and the GIS shell connecting bolt (or pot insulator flange aluminum thread insert), improve The electric field distribution in GIS, so the shielding ring is also ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B3/00H02B1/30
CPCH02B1/30H02B3/00
Inventor 胡春勇汤永锋
Owner YANG ZHOU MEIHUA ELECTRIC CO LTD
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