CN210200648U - High-speed circuit breaker protection casing - Google Patents
High-speed circuit breaker protection casing Download PDFInfo
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- CN210200648U CN210200648U CN201921495481.2U CN201921495481U CN210200648U CN 210200648 U CN210200648 U CN 210200648U CN 201921495481 U CN201921495481 U CN 201921495481U CN 210200648 U CN210200648 U CN 210200648U
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- circuit breaker
- speed circuit
- shield
- protection
- mounting
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Abstract
The utility model discloses a high-speed circuit breaker protective cover, including mounting bracket and cover body, the cover body is fixed in the upper portion of mounting bracket, the cover body includes first protection portion and second protection portion, first protection portion is located one side of second protection portion, first protection portion with the detachable connection of second protection portion, the lateral part of first protection portion has the line hole, high-speed circuit breaker's copper bar or cable pass the line hole; the periphery of the wire passing hole is surrounded by the first protection part and the second protection part; or the periphery of the wire passing hole is surrounded by the first protection part, the second protection part and the mounting rack. The technical problem of inconvenient maintenance of the high-speed circuit breaker in the prior art is solved, and then the maintenance efficiency of the high-speed circuit breaker is improved.
Description
Technical Field
The utility model belongs to the technical field of rail transit vehicle traction equipment, especially, relate to a high-speed circuit breaker protection casing.
Background
In a railway vehicle, products such as traction equipment are basically hung at the bottom of the vehicle, so that the working environment of electrical parts is severe, and the requirements on the reliability, maintainability and protectability of the products are high. The high-speed circuit breaker is used as a core electrical component in the traction equipment, and needs to be regularly detected and maintained to ensure the normal and stable operation of the traction equipment, so that the daily overhaul and maintenance of the high-speed circuit breaker become important points for research.
In order to meet the normal and safe operation of the high-speed circuit breaker, a protective cover is required to cover the periphery of the high-speed circuit breaker. However, in the prior art, the structure of the high-speed circuit breaker protective cover is mostly multiple and complex in parts, and when the product is maintained, the peripheral related copper bars or cables, control lines and the like of the high-speed circuit breaker need to be disassembled firstly, so that the high-speed circuit breaker is inconvenient to maintain.
The contents of the utility model
An object of the utility model is to provide a high-speed circuit breaker protection casing to maintain inconvenient technical problem to high-speed circuit breaker among the solution prior art.
A high-speed circuit breaker protective cover comprises a mounting frame and a cover body, wherein the cover body is fixed on the upper portion of the mounting frame and comprises a first protective portion and a second protective portion, the first protective portion is located on one side of the second protective portion, the first protective portion is detachably connected with the second protective portion, a line passing hole is formed in the side portion of the first protective portion, and a copper bar or a cable of a high-speed circuit breaker penetrates through the line passing hole;
the periphery of the wire passing hole is surrounded by the first protection part and the second protection part; alternatively, the first and second electrodes may be,
the periphery of the wire passing hole is surrounded by the first protection part, the second protection part and the mounting rack.
Preferably, one end of the first protection part is an open end, and the open end is connected with the second protection part.
Preferably, two inner sides of the opening end of the first protection part are relatively provided with mounting bars, mounting holes are formed in the mounting bars, and the second protection part is connected with the first protection part through the mounting holes.
Preferably, the mounting holes in the mounting bar are provided with insulating screw holes.
Preferably, the second protection part is of a cover plate structure, and a wire passing hole is formed in the joint of the cover plate and the first protection part.
Preferably, reinforcing ribs are uniformly distributed on the inner side of the cover body.
Preferably, one end face, opposite to the open end of the first protection part, is of an inverted concave structure, that is, the lower end part of the end face is provided with a abdicating hole.
Preferably, the bottom surface of the mounting frame is a smooth end surface.
Preferably, the cover body is made of fireproof and insulating materials.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. this application is through crossing the line hole at the lateral part design of the cover body, has realized not demolising any peripheral electrical connection of high-speed circuit breaker and maintaining the high-speed circuit breaker under the high-speed circuit breaker body condition in the box, has solved among the prior art and has maintained inconvenient technical problem to the high-speed circuit breaker.
2. First protection portion is fixed in mounting bracket upper portion in this application, and the mounting bracket bottom surface is glossy terminal surface, and it has the effect of slide rail, and first protection portion can carry out push-and-pull equipment and dismantlement along with the mounting bracket in the box, has reduced the process of operation in the box, and convenient the dismantlement is maintained, practices thrift repair time, has optimized mounting process.
3. The thin intensity of the wall of the cover body is big in this application, and the space is big to cover the inboard evenly distributed of body and have the strengthening rib, from this under the condition that satisfies high-speed circuit breaker protection requirement, its occupation space is little, light in weight, intensity is big.
4. The mounting bracket height can change according to the demand in this application to guarantee under the unchangeable condition of the cover body, realize the not demand in co-altitude space of protection casing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the first protection portion.
In the above figures: 1. a cover body; 2. a first guard portion; 21. a wire passing hole; 22. reinforcing ribs; 23. a hole of abdication; 24. mounting a bar; 3. a mounting frame; 31. a first mounting bracket; 32. a second mounting bracket; 4. a second protection part.
Detailed Description
Technical scheme in the embodiment of this application maintains inconvenient technical problem for solving among the prior art protection casing to high-speed circuit breaker, and the general thinking is as follows:
the high-speed circuit breaker protective cover is provided, a wire passing hole is formed in the side part of the cover body, and the periphery of the wire passing hole is surrounded by the first protective part and the second protective part; or the first protection part, the second protection part and the mounting rack are enclosed. During the installation, fix first protection portion on the mounting bracket outside the box, then directly push the protection casing in the box, and fix the both sides at high-speed circuit breaker, install second protection portion then and form cover body structure on first protection portion, cover body structure's the copper bar or the cable department of locating high-speed circuit breaker this moment cross the line pot head, when the maintenance, need not to demolish any peripheral electrical connection of high-speed circuit breaker and high-speed circuit breaker body, solved among the prior art and maintained inconvenient technical problem to high-speed circuit breaker.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The utility model provides a high-speed circuit breaker protection casing, as shown in fig. 1, includes the cover body 1 and mounting bracket 3, the cover body 1 passes through the bolt fastening on mounting bracket 3, mounting bracket 3 passes through the bolt and installs in the box to the cover is established in high-speed circuit breaker's outside, plays the guard action.
Specifically, the cover body 1 includes a first protection part 2 and a second protection part 4, and the cover body 1 is provided with a wire passing hole 21.
Specifically, first protection part 2 includes first terminal surface and second terminal surface, the lower tip of both ends face all is equipped with the mounting hole, mounting bracket 3 includes first mounting bracket 31 and second mounting bracket 32, first mounting bracket 31 is connected with first terminal surface through the mounting hole, second mounting bracket 32 is connected with the second terminal surface through the mounting hole, and first protection part 2 is installed on mounting bracket 3 promptly.
Preferably, first protection part 2 adopts non-metallic light material, and is the rectangle cavity body, and its wall is thin, and inner space is big, and intensity is high, insulating nature is good, the fire prevention level is high, under the condition that satisfies high-speed circuit breaker's arc extinguishing requirement, has realized that occupation space is little, light in weight, advantage such as intensity height. And the inner side wall of the first protection part 2 is further provided with a reinforcing rib 22, preferably, the reinforcing rib 22 is of a rectangular structure, and the strength of the cover body 1 is further enhanced.
Preferably, the opposite end face of first guard portion 2 open end is the concave structure of inversion, and the lower tip of this end face is equipped with the hole of stepping down 23 promptly, the hole of stepping down 23 is mainly used for dodging high-speed circuit breaker's control line or earth connection, prevents the wearing and tearing of control line and earth connection ectoderm, is convenient for observe the connection condition of cable simultaneously.
The structure of second protection portion 4 cooperatees with the structure of first protection portion 2, and is preferred, second protection portion 4 is the apron structure, and two inboards of the open end of first protection portion 2 are provided with mounting bar 24 relatively, be equipped with the mounting hole on the mounting bar 24, the mounting hole is insulating screw, has guaranteed the insulating characteristic of the cover body 1. The second protection part 4 is connected with the first protection part 2 through a mounting hole to form a closed cavity, is mounted on the mounting frame 3, covers the outside of the high-speed circuit breaker and plays a role in protection.
The wire passing hole 21 is located at a side portion of the first protection part 2, and the periphery of the wire passing hole 21 can be surrounded by the first protection part 2 and the second protection part 4; or, the periphery of the wire passing hole 21 is surrounded by the first protection part 2, the second protection part 4 and the mounting frame 3. Specifically, one end of the wire passing hole 21 on the first protection part 2 is an opening, that is, a non-closed hole, and the open end of the wire passing hole 21 is closed by the second protection part 4 or the mounting frame 3 and the second protection part 4, that is, the wire passing hole 21 forms a completely closed hole.
By adopting the structure, the copper bar or the cable can directly pass through the wire passing hole 21 to complete corresponding connection and use; and when overhauing high-speed circuit breaker, also need not to dismantle high-speed circuit breaker and electrical connection or other electrical components, only need pull down mounting bracket 3, release the box and can realize, when guaranteeing the high-speed circuit breaker maintenance of being convenient for from this, solved among the prior art protection casing and maintained inconvenient technical problem to high-speed circuit breaker, and then improved the maintenance efficiency to high-speed circuit breaker.
The present invention has been described in detail above with reference to exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", "first", "second", etc. indicate the positional relationship based on the positional relationship 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 referred to 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.
In the description of the present application, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; either directly or through an intermediary profile. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Claims (9)
1. A high-speed circuit breaker protective cover is characterized by comprising a mounting frame and a cover body, wherein the cover body is fixed on the upper part of the mounting frame and comprises a first protective part and a second protective part, the first protective part is positioned on one side of the second protective part, the first protective part is detachably connected with the second protective part, a line passing hole is formed in the side part of the first protective part, and a copper bar or a cable of a high-speed circuit breaker penetrates through the line passing hole;
the periphery of the wire passing hole is surrounded by the first protection part and the second protection part; or the periphery of the wire passing hole is surrounded by the first protection part, the second protection part and the mounting rack.
2. The high speed circuit breaker shield of claim 1 wherein one end of the first shield portion is an open end, the open end being connected to the second shield portion.
3. The shield for the high-speed circuit breaker according to claim 2, wherein mounting bars are oppositely arranged on two inner sides of the opening end of the first protection part, mounting holes are formed in the mounting bars, and the second protection part is connected with the first protection part through the mounting holes.
4. The high speed circuit breaker shield of claim 3 wherein the mounting holes in the mounting bar are provided with insulation screw holes.
5. The shield for a high speed circuit breaker according to claim 1, wherein the second protection portion is a cover plate structure, and a wire passing hole is formed at the joint of the cover plate and the first protection portion.
6. The high speed circuit breaker shield according to any one of claims 1-4, wherein ribs are evenly distributed on the inside of the shield body.
7. The shield for high-speed circuit breakers according to claim 2 or 3, wherein an end surface of the first shield part opposite to the open end thereof is of an inverted concave structure, i.e. a lower end portion of the end surface is provided with a relief hole.
8. The high speed circuit breaker shield of any one of claims 1-5 wherein the bottom surface of the mounting bracket is a smooth end surface.
9. The high speed circuit breaker shield of claim 1 wherein the shield body is a fire resistant, insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495481.2U CN210200648U (en) | 2019-09-09 | 2019-09-09 | High-speed circuit breaker protection casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495481.2U CN210200648U (en) | 2019-09-09 | 2019-09-09 | High-speed circuit breaker protection casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210200648U true CN210200648U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921495481.2U Active CN210200648U (en) | 2019-09-09 | 2019-09-09 | High-speed circuit breaker protection casing |
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| CN (1) | CN210200648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314955A (en) * | 2021-04-21 | 2021-08-27 | 株洲中车时代电气股份有限公司 | Mounting screen cabinet for high-speed circuit breaker and dismounting method |
-
2019
- 2019-09-09 CN CN201921495481.2U patent/CN210200648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314955A (en) * | 2021-04-21 | 2021-08-27 | 株洲中车时代电气股份有限公司 | Mounting screen cabinet for high-speed circuit breaker and dismounting method |
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