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40.5 kV vertical open-type disconnecting switch

An isolating switch and open-type technology, which is applied in the direction of electric switches, air switch parts, high-voltage air circuit breakers, etc., can solve the problems of difficult material selection and increased strength requirements of transmission parts, and achieve stable and reliable transmission, flexible and controllable operation And the effect of stability and simple structure

Pending Publication Date: 2022-03-15
山东泰开隔离开关有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, copper bars or copper tubes are generally used for conductive parts. It is difficult to select materials with large cross-sectional areas under high current parameters, and the torque required for operation is relatively large. This increases the strength requirements of transmission parts and the overall safety of equipment. , Increased reliability requirements

Method used

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  • 40.5 kV vertical open-type disconnecting switch
  • 40.5 kV vertical open-type disconnecting switch
  • 40.5 kV vertical open-type disconnecting switch

Examples

Experimental program
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Effect test

Embodiment 1

[0025] refer to Figure 1-Figure 4 As shown, the present invention provides a 40.5kV vertical opening type isolating switch, including a base frame 12, on which a plurality of pairs of support insulators 4 and a main conductive base 1 are installed side by side, and a static side base is fixedly installed on the support insulator 4 8. It also includes a transmission box 6, a double-layer conductive arm 2, a transmission insulator 3 and a driving mechanism. One end is articulated, and the drive mechanism includes a plurality of transmission crank arms 5, which are fixedly connected to each other. The other end of the transmission crank arm 5 is hinged to the transmission insulator 3, and the transmission crank arm 5 is used to control the transmission insulator 3. Turn to control the double-layer conductive arm 2 and the static side base 8 to open and close in the vertical direction. When the double-layer conductive arm 2 contacts the static side base 8, it is in the closing st...

Embodiment 2

[0033] The difference between this embodiment and Embodiment 1 is that the drive mechanism is a horizontal transmission structure, which includes a bidirectional cylindrical motor 11, two drive shafts are provided at both ends of the bidirectional cylindrical motor 11, and the bidirectional cylindrical motor 11 is fixedly installed on the chassis 12 , the two drive shafts of the two-way cylindrical motor 11 are fixedly connected to the transmission crank arms 5 on both sides respectively. Compared with the vertical transmission structure, this structure uses fewer structures, so it reduces the floor space and is suitable for installation It is used underground in places with high area requirements, but compared with the vertical transmission structure in Embodiment 1, the service life of this structure is not as high as that of the vertical transmission structure, and regular maintenance is required. Therefore, the transmission structure can be selected according to the actual s...

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Abstract

The invention discloses a 40.5 kV vertical open-type disconnecting switch, which comprises a bottom frame, a transmission case, a double-layer conductive arm, a transmission insulator and a driving mechanism, and is characterized in that a plurality of pairs of supporting insulators and a main conductive base are arranged on the bottom frame side by side; and the transmission crank arm is used for controlling the transmission insulator to rotate so as to control the double-layer conductive arm and the static side base to perform switching-on and switching-off actions in the vertical direction. The isolating switch is high in through-current capacity, the conducting arm of the isolating switch is of a double-layer conducting arm structure, the sectional area of each layer of conducting arm is small, and the problem that conducting materials with large-current parameters larger than 6300 kA are difficult to select can be effectively solved; the operation is flexible, controllable and stable, the impact on the static side during closing is reduced, and the device can stop at any position and has a certain static retention force; and the electric mechanism of the isolating switch is simple in structure, can be used in severe environments such as dusty and humid environments, and is convenient for daily maintenance.

Description

technical field [0001] The present invention relates to the technical field of isolating switches, and more specifically relates to a 40.5kV vertical opening type isolating switch. Background technique [0002] At present, in order to meet the needs of State Grid Corporation and China Southern Power Grid Corporation for isolation switches under different application environmental conditions, isolation switches under various working conditions have been developed. The rated voltage is 40.5kV, the use environment is outdoors, and the structure is vertical Open type isolating switch, this type of isolating switch is generally large in size, especially for isolating switches with a rated current above 6300A, the external dimensions of the conductive part of the isolating switch are relatively large. At present, copper bars or copper tubes are generally used for conductive parts. It is difficult to select materials with large cross-sectional areas under high current parameters, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/00H01H31/02H01H9/04
CPCH01H31/00H01H31/02H01H9/04
Inventor 杨磊田超李善成王立山刘坤
Owner 山东泰开隔离开关有限公司
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