A breakage-proof insulating support for porcelain bottles for isolating switches
A technology of insulating brackets and isolating switches, which is applied in the direction of air switch components, etc., can solve problems such as broken insulating porcelain bottles, broken insulating brackets, grounding short circuits, etc., to prevent landing, suppress grounding discharge events, and facilitate installation and debugging. Effect
Active Publication Date: 2015-12-30
TONGHUA POWER SUPPLY COMPANY STATE GRID JILIN ELECTRIC POWER +1
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Problems solved by technology
[0003] The object of the present invention is to provide a mechanical support principle to install an insulating bracket on the side of the insulator porcelain bottle to replace the gravity of the insulating porcelain bottle with supporting force. , to solve the problem of inflexible operation of GW5 type isolating switch and similar types of isolating switches, which leads to the fracture of insulating porcelain bottles and the short circuit of wires to ground, etc.
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[0014] see figure 1 , 2 , 3. The names of the main parts are: trapezoidal insulating bracket 1, iron guardrail 2, insulating support rod 3, insulating tie rod 4, U-shaped screw rod 5, horizontal plate pad 6, nut 7, metal pipe 8, insulating vertical plate 9, bearing pin 10, fixture 11, porcelain bottle 12, channel steel 13.
[0015] see figure 1 , a breakage-proof porcelain bottle insulation bracket for a disconnector includes a trapezoidal insulating bracket 1, the lower end of the trapezoidal insulating bracket 1 has a fixture 11 connected to the channel steel of the disconnector frame, and the upper end of the trapezoidal insulating bracket 1 has a lap joint with the porcelain bottle 12 of the high-voltage isolating switch. The iron guardrail 2; the trapezoidal insulating support 1 is correspondingly connected with an insulating pole 3 that is diagonally braced on the ground, and the insulating pole 3 can be combined and connected.
[0016] see figure 2 , a disconnect...
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The invention relates to an electric power auxiliary tool, that is, an insulating support for preventing breakage of a porcelain bottle for a disconnector. It includes at least one trapezoidal insulating bracket, the lower end of the trapezoidal insulating bracket has a fixture connected with the channel steel of the isolating switch frame, and the upper end of the trapezoidal insulating bracket has an iron guardrail overlapping with the porcelain bottle of the isolating switch; the trapezoidal insulating bracket is correspondingly connected with a Insulated poles braced diagonally from the ground. There are three trapezoidal insulating supports, and the three trapezoidal insulating supports are connected in series through at least one insulating transverse tie rod. The supporting force is used to replace the gravity of the insulating porcelain bottle, which solves the problems of the inflexible operation of the GW5 type isolating switch and similar types of isolating switches, which lead to the breaking of the insulating porcelain bottle and the short circuit of the wire to the ground. It has the characteristics of convenient installation and debugging, flexible operation and convenient transportation, which can ensure the safety of on-site operators, and can be popularized and applied to the protection of the same type of isolating switch.
Description
technical field [0001] The invention relates to an electric power auxiliary tool, that is, an insulating support for preventing breakage of a porcelain bottle for a disconnector. Background technique [0002] In the prior art, in recent years, with the increase of power grid reconstruction projects, the number of frequent switching operations of equipment has increased. The GW5 disconnector is a double-column horizontal rotary structure. The two insulating posts in each pole rotate 90° reversely with the conductive knife to form a horizontal fracture. The two posts form a V-shaped intersection angle of 50° and are installed on a base. According to the grounding method, it can be divided into: no grounding, single grounding and double grounding. The GW5 type isolating switch belongs to the product of the 1990s. The insulator porcelain bottle is not high-strength porcelain. Due to the long-term operation of the equipment and the increase in the number of switching operations,...
Claims
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IPC IPC(8): H01H31/02
Inventor 王铁钢赖长琦贾守辉李维毅张星张辉
Owner TONGHUA POWER SUPPLY COMPANY STATE GRID JILIN ELECTRIC POWER