CN220233050U

CN220233050U - Electrical engineering distribution breaker applicable to underground mine

Info

Publication number: CN220233050U
Application number: CN202321861024.7U
Authority: CN
Inventors: 贾伟晶; 陈为; 徐琮凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2023-12-22
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses an electrical engineering distribution breaker suitable for underground mining, which comprises a mounting frame with a cross section in a shape like a Chinese character 'ji', wherein a breaker body is detachably clamped on clamping edges at two sides of the mounting frame through a quick dismounting structure at the back; the back of the circuit breaker is provided with an inner groove matched with the mounting frame, the inner groove comprises an inner bottom wall, and two sides of the inner bottom wall are side elevation surfaces; the quick assembly disassembly structure is arranged at least in one side elevation of the inner groove; the quick dismounting structure comprises a lock pin part which is provided with an inclined surface and can be compressed into the side elevation, one end of the lock pin part, which extends out of the inner groove, is provided with the inclined surface, the inclined surface faces to the outer side of the opening of the inner groove, and the clamping edge slides on the inclined surface to compress the lock pin part and is clamped into a limit gap between the lock pin and the inner bottom wall; the quick assembly disassembly structure also comprises a lever unlocking mechanism which utilizes the lever principle to quickly tilt the lock pin part to unlock the clamping edge. The device utilizes the lever principle to rapidly draw out the lock pin part from the card edge, thereby realizing rapid unlocking and having good use effect.

Description

Electrical engineering distribution breaker applicable to underground mine

Technical Field

The utility model relates to the technical field of electrical element equipment, in particular to an electrical engineering distribution breaker applicable to underground mine.

Background

The circuit breaker is a switching device capable of switching on, carrying and off a current under normal loop conditions and switching on, carrying and off a current under abnormal loop conditions within a prescribed time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range of the circuit breaker, and the division of high-voltage and low-voltage boundaries is fuzzy. In the process of electricity generation, transportation and use, power distribution is an extremely important link.

The distribution system comprises a transformer and various high-low voltage electrical equipment, the low-voltage circuit breaker is an electrical appliance with a large application range, the distribution circuit breaker can be used for distributing electric energy, the circuit breaker is frequently used under a mine to control and start an asynchronous motor, because under the conditions of damp air and large dust content under the mine, the working condition of the circuit breaker is poor, the problem that the circuit breaker is easy to damage and needs to be replaced is solved, the distribution circuit breaker in the prior art is directly installed inside the distribution circuit breaker and the distribution box through screws in the installation process, the installation efficiency of the distribution circuit breaker is low and the installation quality is poor in the overhaul and replacement maintenance process, the distribution circuit breaker is difficult to carry out translational installation adjustment according to the position of an actual connection wire in the actual installation and use process, the distribution circuit breaker is inconvenient to detach and maintain when generating fault damage in the use process, the simple and convenient operation use of the distribution circuit breaker is difficult to realize, the labor intensity of operators is high, and the use requirement is difficult to meet.

In view of the above, it is necessary to provide an electrical engineering distribution breaker suitable for use in mine to solve the above problems.

Disclosure of Invention

The utility model aims to solve the technical problems and provides an electrical engineering distribution breaker applicable to underground mining.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an electrical engineering distribution breaker suitable for under mine, includes the mounting bracket that the cross-section is several font, and the circuit breaker body passes through the quick assembly disassembly structure detachable joint of back on the both sides card edge of mounting bracket; the circuit breaker is characterized in that the back of the circuit breaker is provided with an inner groove matched with the mounting frame, the inner groove comprises an inner bottom wall, and two sides of the inner bottom wall are side elevation surfaces; the quick assembly disassembly structure is at least arranged in one side elevation of the inner groove; the quick assembly disassembly structure comprises a lock pin part which is provided with an inclined surface and can be compressed into the side elevation, one end of the lock pin part, which extends out of the inner groove, is provided with the inclined surface, the inclined surface faces to the outer side of the opening of the inner groove, and the clamping edge slides on the inclined surface to compress the lock pin part and is clamped into a limit gap between the lock pin and the inner bottom wall; the quick assembly disassembly structure also comprises a lever unlocking mechanism which utilizes the lever principle to quickly tilt the lock pin part to unlock the clamping edge.

Further, the circuit breaker is internally provided with a longitudinal rail for sliding movement of the lock pin part, and the setting direction of the longitudinal rail is perpendicular to the length direction of the mounting frame, so that the lock pin part can slide close to or far away from the mounting frame.

Further, the detent portion is provided with a T-shaped push head inside the longitudinal rail, a spring being provided between the T-shaped push head and the end of the longitudinal rail, the spring tending to push the detent portion out of the way.

Further, the lever unlocking mechanism is arranged in the upper end face and/or the lower end face of the circuit breaker, the lever unlocking mechanism comprises a mounting groove recessed from the surface of the circuit breaker, a communicating pipe is arranged between one end of the mounting groove and the longitudinal rail, and the communicating pipe is perpendicular to the end face of the longitudinal rail.

Further, a driving lever is hinged in the mounting groove, one end, close to the communicating pipe, of the driving lever is connected with a non-stretchable traction rope, the other end of the traction rope penetrates through the communicating pipe to be connected to the T-shaped push head, and a pressing block is arranged at the other end of the driving lever.

Further, the outer side end surface of the pressing block protrudes out of the mounting groove.

Further, the quick assembly disassembly structure is arranged in the side vertical surfaces at the two sides of the inner groove.

Further, a quick assembly disassembly structure is arranged in a side elevation of one side of the inner groove, and a clamping block protruding towards the inner groove is arranged in a side elevation of the other side.

Compared with the prior art, the utility model has the beneficial effects that: the device can utilize lever principle to take out from the card edge that the lockpin portion is quick to realize quick unblock, conveniently pull down the circuit breaker, and this device can carry out bare-handed dismouting operation, has avoided having had to adopt the loaded down with trivial details operation of specialized tool dismouting among the prior art, and this device is simple swift, excellent in use effect.

Drawings

FIG. 1 is a perspective view of an electrical engineering distribution breaker adapted for use in a mine;

FIG. 2 is a schematic diagram of a circuit breaker for electrical engineering in mine according to the present utility model;

FIG. 3 is a schematic diagram of a circuit breaker for electrical engineering in mine according to the present utility model;

in the figure: 1. a mounting frame; 2. a clamping edge; 3. an inner groove; 4. an inner bottom wall; 5. a side elevation; 6. a lock pin portion; 7. an inclined surface; 8. a limit gap; 9. a longitudinal rail; 10. a spring; 11. a mounting groove; 12. a communicating pipe; 13. driving the lever; 14. pulling the rope; 15. pressing the blocks; 16. a clamping block; 17. a circuit breaker.

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.

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The utility model provides an electrical engineering distribution breaker suitable for underground mine, as shown in fig. 1, includes the mounting bracket 1 of taking the shape of a few figures in cross section, and the circuit breaker 17 body is detachable joint on the both sides card edge 2 of mounting bracket 1 through the quick assembly disassembly structure on back; as shown in fig. 2, the back of the breaker 17 is provided with an inner groove 3 matched with the mounting frame 1, the inner groove 3 comprises an inner bottom wall 4, and side elevation 5 is arranged at two sides of the inner bottom wall 4; the quick assembly disassembly structure is at least arranged in one side elevation 5 of the inner groove 3, and fig. 2 is a schematic diagram of the quick assembly disassembly structure arranged on the side elevation 5 on both sides; the quick assembly disassembly structure comprises a lock pin part 6 which is provided with an inclined surface 7 and can be compressed into the side elevation 5, one end of the lock pin part 6 extending out of the inner groove 3 is provided with the inclined surface 7, the inclined surface 7 faces to the outer side of the opening of the inner groove 3, and the clamping edge 2 slides on the inclined surface 7 to compress the lock pin part 6 and is clamped into a limit gap 8 between the lock pin and the inner bottom wall 4; the quick assembly disassembly structure also comprises a lever unlocking mechanism which utilizes the lever principle to quickly tilt the lock pin part 6 to unlock the clamping edge 2. In actual use, due to the inclined surface 7, the clamping edge 2 can be conveniently buckled in only by pressing the inner groove 3 against the mounting frame 1 during mounting, so that the clamping edge 2 is clamped in the limiting gap 8.

Embodiment one:

quick assembly disassembly structures are arranged in the side vertical faces 5 on two sides of the inner groove 3. As shown in fig. 2, specifically, a longitudinal rail 9 for sliding movement of the latch portion 6 is disposed inside the circuit breaker 17, and the longitudinal rail 9 is disposed in a direction perpendicular to the length direction of the mounting frame 1, so that the latch portion 6 can slide close to or far from the mounting frame 1. The locking pin portion 6 is provided with a T-shaped push head inside the longitudinal rail 9, a spring 10 being provided between the T-shaped push head and the end of the longitudinal rail 9, the spring 10 tending to push the locking pin portion 6 outwards. When the card edge 2 presses the lock pin portion 6 with the inclined surface 7, the lock pin portion 6 contracts and compresses the spring 10, and when the card edge 2 is caught in the limit slit 8, the lock pin portion 6 pops up again.

The lever unlocking mechanism is arranged inside the end faces of the upper side and the lower side of the circuit breaker 17 and comprises a mounting groove 11 recessed from the surface of the circuit breaker 17, a communicating pipe 12 is arranged between one end of the mounting groove 11 and the longitudinal rail 9, and the communicating pipe 12 is perpendicular to the end face of the longitudinal rail 9. The installation groove 11 is internally hinged with a driving lever 13, one end of the driving lever, which is close to the communicating pipe 12, is connected with a non-stretchable pulling rope 14, the other end of the pulling rope 14 passes through the communicating pipe 12 and is connected to the T-shaped push head, the other end of the driving lever 13 is provided with a pressing block 15, and the outer side end surface of the pressing block 15 protrudes out of the installation groove 11 in height. When the unlocking mechanism is used for disassembling the short circuit device, the pressing block 15 is pressed, the other end is tilted upwards when the end is pressed downwards, and the locking pin part 6 can be retracted and pulled back by utilizing the pulling rope 14, so that unlocking can be realized, and the circuit device 17 is convenient to disassemble.

Embodiment two:

the principle of the embodiment is the same as that of the first embodiment, and the difference is that a quick dismounting structure is arranged in a side elevation 5 on one side of the inner groove 3, a clamping block 16 protruding towards the inside of the inner groove 3 is arranged in a side elevation 5 on the other side, as shown in fig. 3, the lever unlocking mechanism is arranged in the upper or lower side end face of the circuit breaker 17, and when the circuit breaker is installed, the clamping block 16 is used for clamping the clamping edge 2 on one side, and then the other side is pressed to be clamped in place; and when the disassembly is performed, otherwise, the driving lever 13 on one side is extruded, one end is unlocked firstly, and then the other end is lifted to a certain height to complete the disassembly.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electrical engineering distribution breaker suitable for underground mine, includes mounting bracket (1) that the cross-section is several font, its characterized in that, circuit breaker (17) body is removable joint on both sides card edge (2) of mounting bracket (1) through the quick assembly disassembly structure in the back; the back of the circuit breaker (17) is provided with an inner groove (3) matched with the mounting frame (1), the inner groove (3) comprises an inner bottom wall (4), and side elevation (5) are arranged on two sides of the inner bottom wall (4); the quick assembly disassembly structure is at least arranged in one side elevation (5) of the inner groove (3); the quick assembly disassembly structure comprises a lock pin part (6) which is provided with an inclined surface (7) and can be compressed to the inside of the side elevation (5), one end of the lock pin part (6) extending out of the inner groove (3) is provided with the inclined surface (7), the inclined surface (7) faces the outer side of the opening of the inner groove (3), and the clamping edge (2) slides on the inclined surface (7) to compress the lock pin part (6) and is clamped into a limit gap (8) between the lock pin and the inner bottom wall (4); the quick assembly disassembly structure also comprises a lever unlocking mechanism which utilizes a lever principle to quickly tilt the lock pin part (6) to unlock the clamping edge (2).

2. The electrical engineering distribution breaker (17) suitable for underground mining according to claim 1, wherein a longitudinal rail (9) for sliding movement of the lock pin portion (6) is arranged inside the breaker (17), and the longitudinal rail (9) is perpendicular to the length direction of the mounting frame (1) so that the lock pin portion (6) can slide close to or far away from the mounting frame (1).

3. An electrical engineering distribution breaker (17) adapted for use in a mine according to claim 2, wherein the locking pin portion (6) is provided with a T-shaped push head inside the longitudinal rail (9), a spring (10) being provided between the T-shaped push head and the end of the longitudinal rail (9), the spring (10) tending to push the locking pin portion (6) outwards.

4. The electrical engineering distribution breaker (17) suitable for underground mining according to claim 3, wherein the lever unlocking mechanism is arranged inside the upper end face and/or the lower end face of the breaker (17), the lever unlocking mechanism comprises a mounting groove (11) recessed from the surface of the breaker (17), a communicating pipe (12) is arranged between one end of the mounting groove (11) and the longitudinal rail (9), and the communicating pipe (12) is arranged perpendicular to the end face of the longitudinal rail (9).

5. The electrical engineering distribution breaker (17) suitable for underground mining according to claim 4, wherein a driving lever (13) is hinged in the mounting groove (11), one end of the driving lever, which is close to the communicating pipe (12), is connected with a non-stretchable pulling rope (14), the other end of the pulling rope (14) penetrates through the communicating pipe (12) to be connected to the T-shaped push head, and a pressing block (15) is arranged at the other end of the driving lever (13).

6. The electrical engineering distribution breaker (17) applicable to underground mining according to claim 5, wherein the outer side end surface of the pressing block (15) protrudes from the mounting groove (11) in height.

7. The electrical engineering distribution breaker (17) applicable to underground mining according to any one of claims 1-6, wherein quick dismounting structures are arranged in the side vertical faces (5) on two sides of the inner groove (3).

8. The electrical engineering distribution breaker (17) applicable to underground mining according to any one of claims 1-6, wherein a quick dismounting structure is arranged in one side elevation (5) of the inner groove (3), and a clamping block (16) protruding towards the inside of the inner groove (3) is arranged in the other side elevation (5).