CN214013846U - Explosion-proof low-voltage cable junction box for coal mine - Google Patents
Explosion-proof low-voltage cable junction box for coal mine Download PDFInfo
- Publication number
- CN214013846U CN214013846U CN202022869454.6U CN202022869454U CN214013846U CN 214013846 U CN214013846 U CN 214013846U CN 202022869454 U CN202022869454 U CN 202022869454U CN 214013846 U CN214013846 U CN 214013846U
- Authority
- CN
- China
- Prior art keywords
- shell
- plate
- junction box
- gasket
- inner cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a flame-proof type low-voltage cable junction box for coal mine, which comprises a shell, a cover plate and a bottom plate, wherein the cover plate is fixedly connected with the upper part of the shell, and the lower part of the shell is fixedly connected with the bottom plate; an inner cavity is formed in the shell, and a wiring bar is arranged in the inner cavity of the shell; the left side of the shell is provided with a cable lead-in device, the right side of the shell is provided with two cable lead-in devices, and the lower end of the shell is provided with four cable lead-in devices; the cable leading-in device comprises a communicating joint, a gasket, a sealing ring, a blocking plate and a compression nut, wherein the communicating joint is welded and fixed with the shell, the gasket is arranged at the bottom in the communicating joint, the sealing ring is arranged on the gasket, the blocking plate is arranged on the sealing ring, the compression nut is arranged on the blocking plate, and the compression nut is in threaded connection with the communicating joint. The utility model relates to a complete parts of joining in marriage of coal-winning machine is used for the extension wiring, has small in size, compact structure, the good characteristics of reliability and explosion-proof nature.
Description
Technical Field
The utility model relates to a flame-proof type low voltage cable terminal box for coal mine belongs to coal-winning machine automation corollary equipment technical field.
Background
The explosion-proof low-voltage cable junction box for the coal mine is used as a matching part of a coal mining machine and is used for extended wiring of the coal mining machine. However, the existing cable junction box has poor explosion-proof performance, large volume, complex structure and poor reliability.
Disclosure of Invention
An object of the utility model is to overcome exist not enough among the prior art, provide a flame-proof type low tension cable terminal box for coal mine, its complete set as the coal-winning machine is used for the extension wiring, has small in size, compact structure, the good characteristics of reliability and explosion-proof nature.
According to the utility model provides a technical scheme: the explosion-proof low-voltage cable junction box for the coal mine comprises a shell, a cover plate and a bottom plate, wherein the cover plate is fixedly connected with the upper part of the shell, and the lower part of the shell is fixedly connected with the bottom plate; an inner cavity is formed in the shell, and a wiring bar is arranged in the inner cavity of the shell; the left side of the shell is provided with a cable lead-in device, the right side of the shell is provided with two cable lead-in devices, and the lower end of the shell is provided with four cable lead-in devices;
the cable leading-in device comprises a communicating joint, a gasket, a sealing ring, a blocking plate and a compression nut, wherein the communicating joint is welded and fixed with the shell, the gasket is arranged at the bottom in the communicating joint, the sealing ring is arranged on the gasket, the blocking plate is arranged on the sealing ring, the compression nut is arranged on the blocking plate, and the compression nut is in threaded connection with the communicating joint.
Further, the shell, the cover plate and the bottom plate are made of Q345B steel plates.
Further, a grounding pressure plate is arranged in the inner cavity of the shell.
Further, the inner cavity of the shell is sprayed with arc-resistant paint.
Furthermore, the communication joint is made of a Q345B steel plate.
Compared with the prior art, the utility model, have following advantage:
1. the utility model relates to a matching parts of coal-winning machine is used for the extension wiring, has dangerous places such as gas, coal dust explosion in being applicable to the colliery in the pit.
2. The volume is small and exquisite, compact structure, and reliability and explosion-proof nature are good.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a view a-a of fig. 2.
Description of reference numerals: the cable connector comprises a shell 1, a cover plate 2, a bottom plate 3, a wiring row 4, a cable lead-in device 5, a communicating joint 6, a gasket 7, a sealing ring 8, a blocking plate 9 and a compression nut 10.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the flameproof low-voltage cable junction box for the coal mine comprises a shell 1, a cover plate 2 and a bottom plate 3, wherein the cover plate 2 is fixedly connected with the upper part of the shell 1, and the lower part of the shell 1 is fixedly connected with the bottom plate 3; an inner cavity is formed in the shell 1, and a wiring bar 4 is arranged in the inner cavity of the shell 1; the left side of the shell 1 is provided with a cable lead-in device 5, the right side of the shell 1 is provided with two cable lead-in devices 5, and the lower end of the shell 1 is provided with four cable lead-in devices 5; cable entry 5 is including intercommunication festival 6, gasket 7, sealing washer 8, closure plate 9 and gland nut 10, intercommunication festival 6 and 1 welded fastening of casing, the bottom in the intercommunication festival 6 sets up gasket 7, sets up sealing washer 8 on the gasket 7, sets up closure plate 9 on the sealing washer 8, sets up gland nut 10 on the closure plate 9, gland nut 10 and 6 threaded connection of intercommunication festival. The structure adopted by the cable lead-in device 5 and the use of the sealing ring 8 improve the explosion-proof performance of the junction box.
The shell 1, the cover plate 2, the bottom plate 3 and the communicating joint 6 are all made of Q345B steel plates, so that the reliability and the explosion-proof performance of the junction box are improved. A grounding pressure plate 10 is arranged in the inner cavity of the shell 1. And arc-resistant paint is sprayed in the inner cavity of the shell 1.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (5)
1. A flame-proof type low-voltage cable junction box for a coal mine comprises a shell (1), a cover plate (2) and a bottom plate (3), wherein the cover plate (2) is fixedly connected with the upper part of the shell (1), and the lower part of the shell (1) is fixedly connected with the bottom plate (3); the novel solar photovoltaic power generation module is characterized in that an inner cavity is formed in the shell (1), and a wiring bar (4) is installed in the inner cavity of the shell (1); the left side of the shell (1) is provided with a cable lead-in device (5), the right side of the shell (1) is provided with two cable lead-in devices (5), and the lower end of the shell (1) is provided with four cable lead-in devices (5);
cable entry (5) are including intercommunication festival (6), gasket (7), sealing washer (8), closure plate (9) and gland nut (10), intercommunication festival (6) and casing (1) welded fastening, the bottom in intercommunication festival (6) sets up gasket (7), sets up sealing washer (8) on gasket (7), sets up closure plate (9) on sealing washer (8), sets up gland nut (10) on closure plate (9), gland nut (10) and intercommunication festival (6) threaded connection.
2. The flameproof low-voltage cable junction box for coal mines according to claim 1, wherein the shell (1), the cover plate (2) and the bottom plate (3) are made of Q345B steel plates.
3. The flameproof low-voltage cable junction box for coal mines according to claim 1, wherein a grounding pressure plate is arranged in the inner cavity of the housing (1).
4. The flameproof low-voltage cable junction box for coal mines according to claim 1, wherein arc-resistant paint is sprayed on the inner cavity of the housing (1).
5. The flameproof low-voltage cable junction box for coal mines according to claim 1, wherein the communicating joint (6) is made of Q345B steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022869454.6U CN214013846U (en) | 2020-12-03 | 2020-12-03 | Explosion-proof low-voltage cable junction box for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022869454.6U CN214013846U (en) | 2020-12-03 | 2020-12-03 | Explosion-proof low-voltage cable junction box for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214013846U true CN214013846U (en) | 2021-08-20 |
Family
ID=77309436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022869454.6U Active CN214013846U (en) | 2020-12-03 | 2020-12-03 | Explosion-proof low-voltage cable junction box for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214013846U (en) |
-
2020
- 2020-12-03 CN CN202022869454.6U patent/CN214013846U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214013846U (en) | Explosion-proof low-voltage cable junction box for coal mine | |
| CN202616511U (en) | Lead wire structure for sealing and explosion protection of shell | |
| CN205178098U (en) | Sealed terminal | |
| CN202145553U (en) | Cable direct introducing device | |
| CN204516694U (en) | Flameproof circuit breaker | |
| CN214848403U (en) | Explosion-proof circuit breaker | |
| CN203896100U (en) | Novel explosion-proof junction box for motor | |
| CN214153889U (en) | Waterproof and explosion-proof passing box with double joints | |
| CN201298487Y (en) | Mineral intrinsic safe key switch | |
| CN201910586U (en) | Explosion-proof device for mining intrinsically-safe power supply | |
| CN203398067U (en) | High voltage three-phase solid insulative fuse unit | |
| CN207200041U (en) | A kind of explosion-proof light power distributing cabinet | |
| CN202617547U (en) | Sealing and explosion-proof lead wire structure between enclosed or narrow operation spaces | |
| CN201934140U (en) | Power distribution device for underground coal mines | |
| CN201927460U (en) | Low-voltage outgoing line terminal board for traction transformer of electric locomotive | |
| CN216639648U (en) | Cathodic protection intelligent test stake | |
| CN215817373U (en) | Junction box assembly | |
| CN210779654U (en) | Special electric equipment field power supply box with high protection level | |
| CN220605041U (en) | Joint protection device for electric power electric installation and debugging | |
| CN220139348U (en) | Novel cable introducing device | |
| CN210779311U (en) | Socket case is overhauld to disconnect-type for small-size equipment | |
| CN215528531U (en) | Composite explosion-proof junction box for gas and dust explosion prevention | |
| CN215911983U (en) | High-voltage dust explosion-proof type three-phase asynchronous motor high-voltage junction box | |
| CN214379711U (en) | Fixed insulating ring main unit | |
| CN215008687U (en) | Mining explosion-proof high-voltage cable connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |