CN219553510U - High-voltage vacuum circuit breaker - Google Patents

Abstract

The utility model discloses a high-voltage vacuum circuit breaker, which comprises a shell, wherein a hanging bracket is arranged at the top of the shell, a fixed cross arm is arranged at the top of the hanging bracket, the high-voltage vacuum circuit breaker further comprises a protection mechanism, the protection mechanism comprises a transparent protection cover and a fastening part, the transparent protection cover is detachably arranged at the top of the hanging bracket, and the transparent protection cover is positioned at the outer side of the fixed cross arm; the fastening component comprises a fastening piece and a threaded rod, wherein a nut is fixedly arranged on the fastening piece, a through hole for the threaded rod to pass through is formed in the surface of the fastening piece, the nut and the threaded rod are screwed together, and a retaining plate propped against the transparent protective cover is arranged at one end of the threaded rod; the other end of the threaded rod is provided with a knob, and the knob is positioned at the outer side of the fastening piece; the beneficial effects of the utility model are as follows: through the protection machanism of design, help supporting transparent protective cover tightly for transparent protective cover is fixed firm, when utilizing transparent protective cover to prevent the handling, wire rope bumps fixed cross arm.

Description

High-voltage vacuum circuit breaker

Technical Field

The utility model belongs to the technical field of circuit breakers, and particularly relates to a high-voltage vacuum circuit breaker.

Background

The outdoor pole high-voltage vacuum circuit breaker is mainly used for switching on and off load current, overload current and short-circuit current of a power system; the method is suitable for protecting and controlling the power distribution network of substations, industrial and mining enterprises and urban and rural areas, and is particularly suitable for places with frequent operation and urban network automation power distribution networks.

When the high-voltage vacuum circuit breaker is lifted, because the fixed cross arm lacks protection, the problem that the fixed cross arm is touched by a steel wire rope exists, and the circuit breaker is damaged.

Disclosure of Invention

The utility model aims to provide a high-voltage vacuum circuit breaker, which is used for protecting a fixed cross arm through an additionally arranged protection mechanism.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-voltage vacuum circuit breaker, includes the shell, the gallows is installed at the top of shell, and the fixed cross arm is installed at the top of gallows, still includes protection machanism, and protection machanism includes transparent protective cover and fastening part, transparent protective cover dismantled and assembled setting is in the top of gallows, and transparent protective cover is located the outside of fixed cross arm.

Preferably, the fastening component comprises a fastening piece and a threaded rod, wherein a nut is fixedly installed on the fastening piece, a through hole for the threaded rod to pass through is formed in the surface of the fastening piece, the nut and the threaded rod are screwed together, and a retaining plate propped against the transparent protective cover is arranged at one end of the threaded rod.

Preferably, a knob is mounted at the other end of the threaded rod, and the knob is located outside the fastener.

Preferably, the fastening piece is provided with a fixing lug, and the fixing lug is fixed on the shell through a screw.

Preferably, the locating part is arranged on the hanging frame and the shell, and comprises a convex seat and a locating block, wherein the convex seat is symmetrically arranged on the outer side face of the shell, a locating groove is formed in the top of the convex seat, rib blocks which are symmetrically distributed are arranged on the inner side face of the locating groove, the locating block is symmetrically arranged at the bottom of the hanging frame, and the locating block is inserted into the locating groove and propped against the rib blocks.

Preferably, the positioning block and the hanging bracket are of an integrated structure, and a gap is reserved between the boss and the hanging bracket.

Preferably, the side surface of the shell is provided with symmetrically distributed brackets and wire inlet and outlet sleeves.

Preferably, the bottom of the shell is provided with symmetrically distributed bases.

Compared with the prior art, the utility model has the beneficial effects that:

through the protection machanism of design, help supporting transparent protective cover tightly for transparent protective cover is fixed firm, when utilizing transparent protective cover to prevent the handling, wire rope bumps fixed cross arm.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the E area in FIG. 1 according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the area F in FIG. 1 according to the present utility model;

FIG. 4 is a schematic view in partial cross-section of a side view of a fastening component of the present utility model;

in the figure: 1. a housing; 11. a boss; 111. a positioning groove; 112. rib blocks; 2. a hanging bracket; 21. a positioning block; 3. fixing the cross arm; 4. a transparent protective cover; 5. a bracket; 6. a wire inlet and outlet sleeve; 7. a base; 8. a fastener; 81. a fixed ear; 82. a knob; 83. a nut; 84. a retaining plate; 85. a threaded rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, fig. 2 and fig. 4, in a first embodiment of the present utility model, the embodiment provides a high voltage vacuum circuit breaker, which includes a housing 1, a hanger 2 is installed at the top of the housing 1, so that the hanger 2 is connected with the housing 1, and a fixed cross arm 3 is installed at the top of the hanger 2, so that the installation of the fixed cross arm 3 is realized, and the high voltage vacuum circuit breaker further includes a protection mechanism, wherein the protection mechanism includes a transparent protection cover 4 and a fastening component, the transparent protection cover 4 is detachably disposed at the top of the hanger 2, and the transparent protection cover 4 is located at the outer side of the fixed cross arm 3, and when the fixed cross arm 3 needs to be protected, the transparent protection cover 4 can be irradiated outside the fixed cross arm 3.

In this embodiment, preferably, the fastening component includes a fastening piece 8 and a threaded rod 85, a nut 83 is fixedly installed on the fastening piece 8 to realize the stable installation of the nut 83, a through hole for the threaded rod 85 to pass is provided on the surface of the fastening piece 8, the threaded rod 83 and the threaded rod 85 are screwed together, one end of the threaded rod 85 is provided with a resisting plate 84 which is abutted against the transparent protecting cover 4, when the transparent protecting cover 4 is fixed, the threaded rod 85 is rotated, and the threaded rod 85 drives the resisting plate 84 to abut against the transparent protecting cover 4.

In this embodiment, preferably, the other end of the threaded rod 85 is provided with a knob 82, and the knob 82 is located outside the fastener 8, and rotating the knob 82 drives the threaded rod 85 to rotate.

In this embodiment, preferably, the fastening member 8 is provided with a fixing lug 81, and the fixing lug 81 is fixed on the housing 1 by a screw, and the fastening member 8 is fixed firmly by fixing the fixing lug 81 and the housing 1.

In this embodiment, the side surface of the housing 1 is preferably provided with symmetrically distributed brackets 5 and access bushings 6.

In this embodiment, preferably, the bottom of the housing 1 is provided with symmetrically distributed bases 7, and the bases 7 support the housing 1.

What needs to be stated is: the high-voltage vacuum circuit breaker in the utility model is a ZW20B-12 series outdoor column high-voltage vacuum circuit breaker.

Example 2

Referring to fig. 1-3, a second embodiment of the present utility model is based on the previous embodiment, except that:

the hanger 2 and the shell 1 are provided with positioning parts, the positioning parts comprise a boss 11 and a positioning block 21, the boss 11 is symmetrically arranged on the outer side surface of the shell 1, the addition of the boss 11 is realized, the top of the boss 11 is provided with a positioning groove 111, the provision of the positioning groove 111 is realized, the inner side surface of the positioning groove 111 is provided with symmetrically distributed rib blocks 112, the addition of the rib blocks 112 is realized, the positioning block 21 is symmetrically arranged at the bottom of the hanger 2, the positioning block 21 is inserted into the positioning groove 111 and abuts against the rib blocks 112, when the hanger 2 is positioned by bolt installation, the positioning block 21 is inserted along the positioning groove 111, and under the cooperation of the rib blocks 112, the positioning of the hanger 2 during installation is increased, and the position deviation of the hanger 2 during installation is prevented; the positioning block 21 and the hanging frame 2 are of an integrated structure, so that the strength of the positioning block 21 and the hanging frame 2 is better, and a gap is reserved between the boss 11 and the hanging frame 2.

While embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a high-voltage vacuum circuit breaker, includes shell (1), gallows (2) are installed at the top of shell (1), and fixed cross arm (3) are installed at the top of gallows (2), its characterized in that: still include protection machanism, and protection machanism includes transparent protective cover (4) and fastening part, transparent protective cover (4) detachably sets up in the top of gallows (2), and transparent protective cover (4) are located the outside of fixed cross arm (3).

2. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the fastening part comprises a fastening piece (8) and a threaded rod (85), a nut (83) is fixedly installed on the fastening piece (8), a through hole for the threaded rod (85) to penetrate is formed in the surface of the fastening piece (8), the nut (83) and the threaded rod (85) are screwed together in a threaded mode, and a resisting plate (84) propped against the transparent protective cover (4) is arranged at one end of the threaded rod (85).

3. A high voltage vacuum circuit breaker according to claim 2, characterized in that: the other end of the threaded rod (85) is provided with a knob (82), and the knob (82) is positioned on the outer side of the fastener (8).

4. A high voltage vacuum circuit breaker according to claim 2, characterized in that: the fixing lugs (81) are arranged on the fastening pieces (8), and the fixing lugs (81) are fixed on the shell (1) through screws.

5. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the locating device is characterized in that locating parts are arranged on the hanging frame (2) and the shell (1) and comprise a boss (11) and a locating block (21), the boss (11) is symmetrically arranged on the outer side face of the shell (1), a locating groove (111) is formed in the top of the boss (11), symmetrically distributed rib blocks (112) are arranged on the inner side face of the locating groove (111), the locating block (21) is symmetrically arranged at the bottom of the hanging frame (2), and the locating block (21) is inserted into the locating groove (111) and abuts against the rib blocks (112).

6. A high voltage vacuum circuit breaker according to claim 5, characterized in that: the positioning block (21) and the hanging frame (2) are of an integrated structure, and a gap is reserved between the boss (11) and the hanging frame (2).

7. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the side surface of the shell (1) is provided with symmetrically distributed brackets (5) and wire inlet and outlet sleeves (6).

8. A high voltage vacuum circuit breaker according to claim 1, characterized in that: the bottom of the shell (1) is provided with symmetrically distributed bases (7).