CN210575711U

CN210575711U - Low-cost vacuum circuit breaker convenient to maintenance

Info

Publication number: CN210575711U
Application number: CN201922030924.7U
Authority: CN
Inventors: 戴东升; 戴顺平; 戴荷娣; 黄杏妹
Original assignee: Jiangxi Xuguang Vacuum Electric Appliance Co ltd
Current assignee: Jiangxi Xuguang Vacuum Electric Appliance Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-19
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a low-cost vacuum circuit breaker convenient to maintain, which comprises a vacuum circuit breaker body, wherein the vacuum circuit breaker body is fixedly arranged on a mounting plate, the mounting plate is connected with a fixed column, the mounting plate is connected with a limit column, the fixed column is provided with a cavity, a clamping block is arranged in the cavity, a spring is fixedly connected on the clamping block, the spring is fixedly connected on the fixed column, the mounting plate is connected with a sliding bottom plate, and a connecting pipe is arranged on the sliding bottom plate, when maintenance or periodic maintenance is carried out, the sliding bottom plate only needs to be moved out of a high-voltage cabinet, the vacuum circuit breaker can be quickly taken out by pressing the clamping block with a spring structure, the integral replacement is avoided, a large amount of cost is saved, particularly, when working aloft, a maintenance worker can quickly replace the vacuum circuit breaker without tools such as a wrench, the maintenance difficulty is reduced, and the power-off maintenance time is greatly shortened.

Description

Low-cost vacuum circuit breaker convenient to maintenance

Technical Field

The utility model relates to a power maintenance technical field specifically is a low-cost vacuum circuit breaker of maintenance of being convenient for.

Background

Vacuum circuit breaker is famous because of its arc extinguishing medium and the insulating medium in contact gap after the arc extinguishing all are the high vacuum, it has small, light in weight, be applicable to frequent operation, the arc extinguishing need not overhaul the advantage, use comparatively popularly in the distribution network, current vacuum circuit breaker passes through the screw fixation usually in the high-voltage board, perhaps directly weld and die, so it is more troublesome to maintain when vacuum circuit breaker goes wrong, need holistic change the maintenance, long consuming time and the device of changing are too many, the cost of maintenance has been pulled up, and the loss that the outage time led to the fact is longer more long more, especially bring very big degree of difficulty for maintenance personal when needing high altitude construction, therefore the utility model provides a vacuum circuit breaker of low cost maintenance of being convenient for is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-cost vacuum circuit breaker of maintenance of being convenient for to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum circuit breaker with low cost and convenient maintenance comprises a vacuum circuit breaker body, wherein the vacuum circuit breaker body is fixedly arranged on a mounting plate, a fixing column is connected onto the mounting plate, a limiting column is connected onto the mounting plate, a cavity is formed in the fixing column, a clamping block is arranged in the cavity, a spring is fixedly connected onto the clamping block, and the spring is fixedly connected onto the fixing column;

the mounting panel is connected with sliding bottom plate, and is provided with the connecting pipe on the sliding bottom plate, be provided with the draw-in groove on the connecting pipe, and be provided with the supporting shoe on the sliding bottom plate, be provided with spacing hole on the supporting shoe, the last spout of having seted up of sliding bottom plate, and be provided with the slide bar with the spout cooperation, the last fixed block that is provided with of sliding bottom plate, slide bar fixed mounting is in the high-voltage board, and installs the push-and-pull door on the high-voltage.

Preferably, two fixing columns are symmetrically arranged on two sides of the mounting plate, the size of each fixing column is set according to the size of the connecting pipe, a convex block is arranged on the part, located in the cavity, of each clamping block, a chamfer is arranged on the part, protruding out of each fixing column, of each clamping block, the total number of the limiting columns is 4, the limiting columns are arranged at the bottom of the mounting plate, and the size of each limiting column is matched with the size of each limiting hole.

Preferably, the number of the sliding grooves and the number of the sliding rods are two, and the cross sections of the sliding grooves and the cross sections of the sliding rods are the same.

Preferably, the fixed block contacts with the slide bar, and all is provided with the screw hole on fixed block and the slide bar, and both connect through the hand screw.

Compared with the prior art, the beneficial effects of the utility model are that: fix vacuum circuit breaker on corresponding mounting panel, the spacing post that is used for restricting the fixed column that reciprocates and restriction horizontal migration has been set up on the mounting panel, can be fine with mounting panel and vacuum circuit breaker fix on sliding bottom, when maintaining or periodic overhaul, only need shift out the high-voltage board with sliding bottom, joint piece through pressing to have spring structure, just can be very quick take out vacuum circuit breaker, whole change has been avoided, a large amount of costs have been saved, especially when high altitude construction, the maintenance personal need not take the instrument of spanner etc. just can be rapid change, reduce the maintenance degree of difficulty, make outage maintenance duration shorten greatly.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic view of the connection structure of the present invention;

fig. 3 is a side view of the mounting plate of the present invention;

fig. 4 is a schematic view of the sliding bottom plate of the present invention;

fig. 5 is a schematic view of the structure of the clamping block of the present invention.

In the figure: the vacuum circuit breaker comprises a vacuum circuit breaker body 1, a mounting plate 2, a fixed column 3, a limiting column 4, a cavity 5, a clamping block 6, a spring 7, a sliding bottom plate 8, a connecting pipe 9, a clamping groove 10, a supporting block 11, a limiting hole 12, a sliding groove 13, a sliding rod 14, a fixed block 15, a high-voltage cabinet 16 and a sliding door 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a vacuum circuit breaker with low cost and convenient maintenance comprises a vacuum circuit breaker body 1, wherein the vacuum circuit breaker body 1 is fixedly installed on an installation plate 2, the installation plate 2 is a specially-arranged box-packed structure and can be used for loading the vacuum circuit breaker body 1, a fixed column 3 is connected onto the installation plate 2, a limiting column 4 is connected onto the installation plate 2, a cavity 5 is arranged on the fixed column 3, a clamping block 6 is arranged in the cavity 5, a spring 7 is fixedly connected onto the clamping block 6, the spring 7 is fixedly connected onto the fixed column 3, the fixed column 3 limits the vertical movement of the installation plate 2 through the telescopic clamping block, and the limiting column 4 can limit horizontal movement;

the mounting panel 2 is connected with sliding bottom plate 8, and is provided with connecting pipe 9 on sliding bottom plate 8, be provided with draw-in groove 10 on the connecting pipe 9, and be provided with supporting shoe 11 on sliding bottom plate 8, be provided with spacing hole 12 on the supporting shoe 11, sliding bottom plate 8 is last to have seted up spout 13, and is provided with slide bar 14 with spout 13 cooperation, sliding bottom plate 8 is last to be provided with fixed block 15, slide bar 14 fixed mounting is in high-voltage board 16, and installs push-and-pull door 17 on the high-voltage board 16, and push-and-pull door 17 pulls open completely can avoid interfering with the operation.

The two fixing columns 3 are symmetrically arranged on two sides of the mounting plate 2, the size of each fixing column 3 is set according to the size of the connecting pipe 9, the part, located in the cavity 5, of the clamping block 6 is provided with a protruding block, the displacement of the clamping block is limited through the protruding block, the part, protruding out of the fixing column, of the clamping block 6 is provided with a chamfer, the clamping block 6 can easily enter the clamping groove 10 due to the chamfer, the movement of the mounting plate 2 is limited, the total number of 4 limiting columns 4 is arranged at the bottom of the mounting plate 2, the size of the limiting columns 4 is matched with the size of the limiting holes 12, and the displacement of the mounting plate 2 in the horizontal direction can be limited;

the number of the sliding grooves 13 and the number of the sliding rods 14 are two, the cross sections of the sliding grooves 13 and the cross sections of the sliding rods 14 are the same, and the sliding bottom plate 8 can move more smoothly through the arrangement of the sliding rods 14 and the sliding grooves 13;

the fixed block 15 is in contact with the sliding rod 14, threaded holes are formed in the fixed block 15 and the sliding rod 14, the fixed block 15 and the sliding rod 14 are connected through hand screws and are fixed through the hand screws, sliding in normal use is avoided, meanwhile, the fixing block can be disassembled without tools in maintenance, and the fixing block is very convenient;

the working principle is as follows: when needing to tear down vacuum circuit breaker and maintain or change, maintenance person opens the push-and-pull door, twist off the hand screw, slide out the high-voltage board partly with the vacuum circuit breaker body, the joint piece is pressed into certain distance with it simultaneously to the rethread both hands, upwards extract the vacuum circuit breaker body above mounting panel and, again with the mounting panel of the same system of the same shape of preparing and new vacuum circuit breaker carry out fixed mounting through the position and the connecting pipe in spacing hole, installed again with sliding bottom plate push back to original position, and twist back the hand screw and fix it spacing, close the push-and-pull door at last and can accomplish the maintenance and change, very swift convenience.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low-cost vacuum circuit breaker convenient to maintenance, includes vacuum circuit breaker body (1), its characterized in that: the vacuum circuit breaker comprises a vacuum circuit breaker body (1), a mounting plate (2), a fixing column (3) connected to the mounting plate (2), a limiting column (4) connected to the mounting plate (2), a cavity (5) arranged on the fixing column (3), a clamping block (6) arranged in the cavity (5), a spring (7) fixedly connected to the clamping block (6), and the spring (7) fixedly connected to the fixing column (3);

mounting panel (2) are connected with sliding bottom plate (8), and are provided with connecting pipe (9) on sliding bottom plate (8), be provided with draw-in groove (10) on connecting pipe (9), and are provided with supporting shoe (11) on sliding bottom plate (8), be provided with spacing hole (12) on supporting shoe (11), spout (13) have been seted up on sliding bottom plate (8), and are provided with slide bar (14) with spout (13) cooperation, be provided with fixed block (15) on sliding bottom plate (8), slide bar (14) fixed mounting is in high-voltage board (16), and installs push-and-pull door (17) on high-voltage board (16).

2. A low cost easy to maintain vacuum interrupter as defined in claim 1 wherein: the two fixing columns (3) are symmetrically arranged on two sides of the mounting plate (2), the size of each fixing column (3) is set according to the size of the corresponding connecting pipe (9), the portions, located in the cavities (5), of the clamping blocks (6) are provided with protruding blocks, the portions, protruding out of the fixing columns, of the clamping blocks (6) are provided with chamfers, the total number of the limiting columns (4) is 4, the limiting columns are arranged at the bottom of the mounting plate (2), and the size of each limiting column (4) is matched with the size of the corresponding limiting hole (12).

3. A low cost easy to maintain vacuum interrupter as defined in claim 1 wherein: the number of the sliding grooves (13) and the number of the sliding rods (14) are two, and the cross sections of the sliding grooves (13) and the sliding rods (14) are the same.

4. A low cost easy to maintain vacuum interrupter as defined in claim 1 wherein: the fixing block (15) is in contact with the sliding rod (14), threaded holes are formed in the fixing block (15) and the sliding rod (14), and the fixing block and the sliding rod are connected through hand-screwed screws.