Dry type solid casing insulator as well as manufacturing die and manufacturing method thereof
A solid bushing and insulator technology, applied in the direction of insulators, insulators, electrical components, etc., can solve the problems of difficult control of the force on metal mounting parts, affecting the use and maintenance of power equipment, and easy oil leakage of liquid-immersed power equipment, etc., to achieve Excellent weather resistance and anti-ultraviolet properties, good mechanical and electrical strength, and high mechanical strength
Pending Publication Date: 2018-03-13
苏州翰为电气科技有限公司
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Problems solved by technology
The inherent disadvantages of the structure of this product are: 1. There are many structural parts that are complicated to manufacture, and liquid-immersed power equipment is prone to oil leakage
2. The brittleness of the porcelain sleeve itself makes it difficult to control the force on the metal mounting part during installation, otherwise it will easily lead to cracking and damage to the porcelain sleeve
3. Due to the limitation of the manufacturing process of the porcelain sleeve structure, the exposed rubber gasket has to be used. The rubber gasket has a short life under daily ultraviolet radiation.
Affect the use and maintenance of electrical equipment
Method used
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[0047] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0048] figure 1 A dry-type solid bushing insulator is shown, including an inner insulator 1 integrally formed of epoxy resin material with a high glass transition temperature. The upper part of the inner insulator 1 is in the shape of an umbrella skirt, and the lower part is a cylindrical bushing The tail part 4 is wrapped with a conductive rod or a conduit in the center. The inner insulator 1 may not be provided or a multi-layer metal shielding layer 3 may be provided according to the voltage level. The outer shed structure of the inner insulator 1 is wrapped with a layer with An insulating material with hydrophobic properties and high weather resistance properties constitutes the outer insulating layer body 2 of the shed shed, and the material of the outer insulating layer body 2 of the shed shed is outdoor epoxy resin or silicon rubber.
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The invention discloses a dry type solid casing insulator as well as a manufacturing die and a manufacturing method thereof. The dry type solid casing insulator comprises an inner insulator, wherein the upper part of the inner insulator is of an umbrella skirt structure, and the lower part of the inner insulator is a cylindrical casing tail; a conductive rod or a guide pipe is wrapped in the center; a metal shielding layer is arranged in the inner insulator; and an umbrella skirt outer insulator layer is wrapped outside the umbrella skirt structure of the upper part of the inner insulator. Thedry type solid casing insulator disclosed by the invention is formed by hot briquetting by using an automatic forming press through a special die, and has the characteristics that production measuresare advanced, manual intervention is low and the product yield is high; in the produced casing insulator, the umbrella skirt outer insulator layer, the inner insulator and the shielding layer are cast together, so that the formed product has the characteristics of high insulation performance, excellent electrical property, high mechanical intensity, high weather fastness and the like; and furthermore, compared with a casing insulator prepared from single anti-weather epoxy resin, the dry type solid casing insulator can obviously reduce the cost.
Description
technical field [0001] The invention relates to the field of electric equipment, in particular to a dry-type solid bushing insulator, a manufacturing mold and a manufacturing method thereof. Background technique [0002] At present, the bushing used to connect the lead wires of the device body commonly used in power equipment is a porcelain sleeve structure. The main body of this type of bushing structure is a porcelain sleeve made of porcelain clay material, which plays the role of insulation and mechanical strength. The porcelain sleeve is a hollow structure, and the conductor passes through the porcelain sleeve to lead out the cable to form a sleeve. The installation structure of the porcelain bushing is to use a metal pressure ring or a metal pressing piece to press on the installation base of the porcelain bushing itself, and use bolts to fix the upper part of the electric equipment box cover with the box cover. The inherent disadvantages of the structure of this produ...
Claims
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IPC IPC(8): B29C39/02B29C39/10B29C39/12B29C39/26H01B17/58H01B19/00
CPCH01B17/583H01B19/00B29C39/025B29C39/10B29C39/123B29C39/26
Inventor 韩宝家韩佳平姚萍
Owner 苏州翰为电气科技有限公司