Breaker door lock mechanism for high-voltage switch cabinet and installation method thereof
A technology of high-voltage switchgear and installation method, which is applied in the direction of building lock, building structure, substation/power distribution device shell, etc.
Inactive Publication Date: 2014-01-15
ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a circuit breaker door lock mechanism for high-voltage switchgear and its installation method in view of the problems existing in the prior art. Disadvantages of complexity, inconvenient installation, and high production cost
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[0019] Figure 1-3 It is a structural schematic diagram of three different directions of the circuit breaker door lock mechanism used in the high-voltage switchgear of the present invention, Figure 4 It is a schematic diagram of a local structure in the present invention. Depend on Figure 1-4 From the combination of the shown structures, it can be known that this kind of circuit breaker door lock mechanism for high-voltage switchgear includes a first interlocking bracket 1 whose bottom is installed on the door panel 6 and whose cross section is "U". There are several long waist holes running through the two molding surfaces, and a long waist hole located on one of the molding surfaces; the door lock mechanism also includes a second interlocking bracket 2 with an "L" shape in cross section. One of the molding surfaces of the second interlocking bracket 2 is provided with two circular holes, and the center distance of the two circular holes is equal to the center distance of...
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The invention discloses a breaker door lock mechanism for a high-voltage switch cabinet and an installation method thereof. The breaker door lock mechanism for the high-voltage switch cabinet comprises a first chain support, wherein the bottom of the first chain support is installed on a door plank and the cross section of the first chain support is U-shaped, and the first chain support is provided with a plurality of long kidney-shaped holes penetrating through two forming faces and a long kidney-shaped hole located in one forming face. The door lock mechanism further comprises a second chain support with the cross section being L-shaped, one forming face of the second chain support is provided with two round holes, the center distance of the two round holes is equal to the center distance of the two long kidney-shaped holes which are matched with the round holes, one round hole and one long kidney-shaped hole are matched and are installed together through a lock shaft. According to the breaker door lock mechanism for the high-voltage switch cabinet and the installation method thereof, the lock shaft, fixing chain screws and a third chain support fastening screw can move up and down in the long kidney-shaped holes in the forming faces of the first chain support, and the lock door mechanism is designed in a more humanized mode.
Description
technical field [0001] The invention relates to a metal armored removable high-voltage switchgear, in particular to a circuit breaker door lock mechanism for a high-voltage switchgear and an installation method thereof. Background technique [0002] At present, in the power system, the circuit breaker door lock structure of the armored removable AC enclosed switchgear used in its KYN61-40.5 high-voltage switchgear is mainly composed of a lock block, a chain shaft, a connecting piece, a door panel, a door lock, a positioning block, side panels (such as figure 1 ). Most of the parts in the door lock mechanism are made by welding, such as the lock block is welded on the door panel, the lock shaft is welded on the bracket, etc. Many welding brings certain losses to the production and also increases the investment. The high cost and the existence of large human errors have brought certain troubles to the assembly. The positioning block is fixed on the side plate. The lower par...
Claims
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IPC IPC(8): E05B65/52E05B15/00H02B1/26
Inventor 束龙胜李开明余浩付强周波桂召凡陶路路
Owner ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD