CN214672440U

CN214672440U - Circuit breaker for gas insulated switchgear

Info

Publication number: CN214672440U
Application number: CN202121146397.7U
Authority: CN
Inventors: 邱勇军; 邱兴华
Original assignee: Jinqi Electric Power Technology Co ltd
Current assignee: Jinqi Electric Power Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-09
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a circuit breaker for gas insulated switchgear, including fixed main part, the middle part sliding connection of fixed main part has the removal frame, it has the spout to open on the rear end upper portion of removing the frame, it passes through spout and fixed main part sliding connection to remove the frame, the fixed welding of front end that removes the frame has three positioning mechanism and two dry mechanisms, and two dry mechanisms are located respectively between two adjacent positioning mechanism, and is three all demountable installation has the circuit breaker body in the positioning mechanism, the front end that removes the frame has the protection casing through hinge swing joint. A circuit breaker for gas insulated switchgear, mutually support through two grip blocks and make the grip block with circuit breaker body demountable installation in U type support frame, fixed firm, and simple to operate, the simple operation carries out the drying to circuit breaker body through the drier, improves the security in the use, and the drier is changed conveniently, drying cost is low, the practicality is strong.

Description

Circuit breaker for gas insulated switchgear

Technical Field

The utility model relates to a circuit breaker technical field, in particular to circuit breaker for gas insulated switchgear.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.

The circuit breaker for the gas insulated switchgear on the market at present generally uses the screw to install, dismantles and all need to twist the screw with the installation, just can dismantle the circuit breaker, makes the installation dismantle the circuit breaker very inconvenient, and the circuit breaker exposes for a long time, very easily wets, has the potential safety hazard, so we have proposed a circuit breaker for gas insulated switchgear.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a circuit breaker for gas insulated switchgear, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a circuit breaker for gas insulated switchgear, includes fixed main part, the middle part sliding connection of fixed main part has the removal frame, it has the spout to open on the rear end upper portion of removal frame, it passes through spout and fixed main part sliding connection to remove the frame, the fixed welding of front end that removes the frame has three positioning mechanism and two dry mechanism, and two dry mechanism are located respectively between two adjacent positioning mechanism, and is three all demountable installation has the circuit breaker body in the positioning mechanism, the front end that removes the frame has the protection casing through hinge swing joint.

Preferably, the fixed main part includes the connecting plate, the homogeneous integrated into one piece in both ends of connecting plate has the fixed plate, the front end upper portion and the front end lower part of fixed plate all alternate and are connected with clamping screw, the equal fixed welding in upper end left and right sides of connecting plate has limit baffle, it passes through spout and connecting plate sliding connection to remove the frame.

Preferably, positioning mechanism includes U type support frame, the shifting chute has all been opened to the front end left and right sides of U type support frame, the both ends of U type support frame all alternate and are connected with adjusting screw, and adjusting screw all with U type support frame threaded connection, two adjusting screw opposition end all has the grip block through bearing swing joint, and the rear end sliding connection of grip block is in the shifting chute to.

Preferably, two the grip block mutually supports the front end with circuit breaker body fixed mounting at U type support frame, the section and the dry mechanism of circuit breaker body laminate each other.

Preferably, the drying mechanism comprises a storage frame and a drying agent storage drawer, the upper end and the lower end of the storage frame are both embedded with a ventilation net, the lower end of the drying agent storage drawer is embedded with a connection blocking net, and the drying agent storage drawer is slidably connected in the storage frame.

Preferably, the storage frame is fixedly mounted at the front end of the movable frame and located between the two U-shaped support frames, and the position of the drying agent containing drawer corresponds to the position of the breathable net.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, promote the grip block to slide in the shifting chute through adjusting screw and U type support frame threaded connection, mutually support through two grip blocks and make the grip block with circuit breaker body demountable installation in U type support frame, fixed firm, and simple to operate, the simple operation.

2. The utility model discloses in, place the drier in the drawer through the drier and carry out the drying to the circuit breaker body of accomodating the frame both ends, avoid the inside moisture regain of circuit breaker body, improve the security in the circuit breaker body use, and the drier places drawer sliding connection and accomodates the frame in, conveniently change the drier, simple structure, it is with low costs.

Drawings

Fig. 1 is a schematic view of an overall structure of a circuit breaker for a gas insulated switchgear according to the present invention;

fig. 2 is a schematic structural view of a fixed main body of a circuit breaker for a gas insulated switchgear according to the present invention;

fig. 3 is a schematic structural view of a moving frame of a circuit breaker for a gas insulated switchgear according to the present invention;

fig. 4 is a schematic structural diagram of a positioning mechanism of a circuit breaker for a gas insulated switchgear according to the present invention;

fig. 5 is a schematic structural diagram of a drying mechanism of a circuit breaker for a gas insulated switchgear of the present invention.

In the figure: 1. a fixed body; 2. a movable frame; 3. a positioning mechanism; 4. a drying mechanism; 5. a protective cover; 6. a connecting plate; 7. a fixing plate; 8. fixing the screw rod; 9. a limit baffle; 10. a circuit breaker body; 21. A chute; 31. a U-shaped support frame; 32. a moving groove; 33. adjusting the screw rod; 34. a clamping plate; 41. a storage frame; 42. a breathable net; 43. a desiccant storage drawer; 44. and connecting the blocking net.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a circuit breaker for gas insulated switchgear, including fixed main part 1, the middle part sliding connection of fixed main part 1 has a removal frame 2, open the rear end upper portion of removal frame 2 has spout 21, removal frame 2 passes through spout 21 and fixed main part 1 sliding connection, the fixed welding of front end of removal frame 2 has three positioning mechanism 3 and two drying mechanism 4, and two drying mechanism 4 are located between two adjacent positioning mechanism 3 respectively, all detachable installation has circuit breaker body 10 in the three positioning mechanism 3, the front end of removal frame 2 has protection casing 5 through hinge swing joint.

The fixed main body 1 comprises a connecting plate 6, fixed plates 7 are integrally formed at two ends of the connecting plate 6, fixed screws 8 are respectively inserted and connected at the upper part and the lower part of the front end of each fixed plate 7, limit baffles 9 are fixedly welded at the left side and the right side of the upper end of the connecting plate 6, the movable frame 2 is in sliding connection with the connecting plate 6 through a sliding groove 21, and the movable frame 2 can move left and right; the positioning mechanism 3 comprises a U-shaped support frame 31, moving grooves 32 are formed in the left side and the right side of the front end of the U-shaped support frame 31, adjusting screws 33 are inserted and connected to two ends of the U-shaped support frame 31, the adjusting screws 33 are in threaded connection with the U-shaped support frame 31, opposite ends of the two adjusting screws 33 are movably connected with clamping plates 34 through bearings, the rear ends of the clamping plates 34 are connected in the corresponding moving grooves 32 in a sliding mode, and stability is high; the two clamping plates 34 are matched with each other to fixedly install the circuit breaker body 10 at the front end of the U-shaped supporting frame 31, bolts are not needed for installation, the disassembly is convenient, the structure is simple, and the section of the circuit breaker body 10 is attached to the drying mechanism 4; the drying mechanism 4 comprises a storage frame 41 and a drying agent storage drawer 43, drying agent is stored in the drying agent storage drawer 43, the upper end and the lower end of the storage frame 41 are both embedded with a ventilation net 42, the lower end of the drying agent storage drawer 43 is embedded with a connection blocking net 44, and the drying agent storage drawer 43 is connected in the storage frame 41 in a sliding manner; the storage frame 41 is fixedly installed at the front end of the moving frame 2 and located between the two U-shaped support frames 31, and the position of the drying agent storage drawer 43 corresponds to the position of the ventilation net 42, so that the dryness between the breaker bodies 10 is improved, and the safety in the use process is improved.

It should be noted that, the utility model relates to a circuit breaker for gas insulated switchgear, in the specific use process, the moving frame 2 is connected on the connecting plate 6 through the chute 21, the slide of the chute 21 on the connecting plate 6 can be realized, a plurality of circuit breaker bodies 10 on the moving frame 2 can be moved, the flexibility is strong, the protective cover 5 is opened, the adjusting screw 33 which rotates reversely twice is used, the clamping plate 34 is pushed to slide in the moving groove 32 through the threaded connection of the adjusting screw 33 and the U-shaped supporting frame 31, the clamping plate 34 can be detachably installed in the U-shaped supporting frame 31 through the mutual cooperation of the two clamping plates 34, the circuit breaker bodies 10 at the two ends of the containing frame 41 are dried by the drying agent in the drying agent placing drawer 43, the internal moisture regain of the circuit breaker bodies 10 is avoided, the safety of the circuit breaker bodies 10 in the use process is improved, after the drying agent in the drying agent placing drawer 43 is used, the drying agent placing drawer 43 can be drawn out, the drying agent is placed in the drying agent placing drawer 43, the drying agent placing drawer 43 is connected in the containing frame 41 in a sliding mode, the drying agent is convenient to replace, the structure is simple, the cost is low, the circuit breaker body 10 is protected through the protective cover 5, and safety and reliability are achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A circuit breaker for gas insulated switchgear, comprising a fixed body (1), characterized in that: the middle part sliding connection of fixed main part (1) has removal frame (2), open the rear end upper portion of removing frame (2) has spout (21), remove frame (2) through spout (21) and fixed main part (1) sliding connection, the front end fixed welding that removes frame (2) has three positioning mechanism (3) and two dry mechanism (4), and two dry mechanism (4) are located respectively between two adjacent positioning mechanism (3), and is three all detachable installs circuit breaker body (10) in positioning mechanism (3), the front end that removes frame (2) has protection casing (5) through hinge swing joint.

2. The circuit breaker for gas insulated switchgear according to claim 1, wherein: fixed main part (1) includes connecting plate (6), the equal integrated into one piece in both ends of connecting plate (6) has fixed plate (7), the front end upper portion and the front end lower part of fixed plate (7) all alternate and are connected with clamping screw (8), the equal fixed welding in upper end left and right sides of connecting plate (6) has limit baffle (9), remove frame (2) through spout (21) and connecting plate (6) sliding connection.

3. The circuit breaker for gas insulated switchgear according to claim 1, wherein: positioning mechanism (3) are including U type support frame (31), the shifting chute (32) has all been opened to the front end left and right sides of U type support frame (31), the both ends of U type support frame (31) all alternate and are connected with adjusting screw (33), and adjusting screw (33) all with U type support frame (31) threaded connection, two adjusting screw (33) opposition end all has grip block (34) through bearing swing joint, and the rear end sliding connection of grip block (34) is in shifting chute (32) to.

4. The circuit breaker for gas insulated switchgear according to claim 3, wherein: two grip block (34) mutually support and laminate circuit breaker body (10) fixed mounting in the front end of U type support frame (31), the section of circuit breaker body (10) and drying mechanism (4) each other.

5. The circuit breaker for gas insulated switchgear according to claim 1, wherein: drying mechanism (4) place drawer (43) including accomodating frame (41) and drier, the upper end and the lower extreme of accomodating frame (41) all inlayed ventilative net (42), the lower extreme that drawer (43) were placed to the drier is inlayed and is connected fender net (44), drawer (43) sliding connection is placed to the drier in accomodating frame (41).

6. The circuit breaker for gas insulated switchgear according to claim 5, wherein: the storage frame (41) is fixedly arranged at the front end of the movable frame (2) and is positioned between the two U-shaped support frames (31), and the position of the drying agent containing drawer (43) corresponds to the position of the ventilation net (42).