CN214956506U - Door opening interlocking mechanism for mining explosion suppression - Google Patents
Door opening interlocking mechanism for mining explosion suppression Download PDFInfo
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- CN214956506U CN214956506U CN202121390121.3U CN202121390121U CN214956506U CN 214956506 U CN214956506 U CN 214956506U CN 202121390121 U CN202121390121 U CN 202121390121U CN 214956506 U CN214956506 U CN 214956506U
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- connecting plate
- door
- door opening
- guide rail
- interlocking
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Abstract
The utility model provides a door opening interlocking mechanism for a mining explosion suppression, which belongs to the technical field of door opening interlocking of a mining explosion suppression and intrinsic safety type permanent magnet feed switch; the problem of potential safety hazard caused by the fact that a door can be opened under the condition that the main circuit breaker is not completely separated from the incoming line end is solved; the technical scheme includes that the electric interlocking device comprises an electric chassis, a lower guide rail assembly is arranged on the electric chassis and driven by a permanent magnet synchronous motor, a first connecting plate is arranged at one end, away from the permanent magnet synchronous motor, of the lower guide rail assembly, the first connecting plate is connected with an interlocking rod through a second connecting plate, a middle support is arranged on the second connecting plate and used for providing a rotating fulcrum for the second connecting plate, and the moving directions of the first connecting plate and the interlocking rod are opposite; the technical effect of the utility model is that, simple structure, under the incomplete condition of main circuit breaker and inlet wire end separation, explosion proof housing's door can not be opened, has eliminated the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the interlocking of opening a door of mining flame proof and essential safety type permanent magnetism feed switch, specifically be a interlocking device that opens a door for mining flame proof.
Background
Along with the completion of the combination and recombination of coal resources, a large group coexistence pattern is formed in the coal industry, coal mines are more clustered and scaled, the coal yield of a single wellhead is larger and larger, the requirements of a working face on equipment are more integrated and humanized, higher requirements on the maintenance, replacement and safety performance of the equipment are provided, and especially the explosion gas containing methane-coal dust mixture in the medium of the underground coal mine and the surrounding environment is more important for the application of an explosion-proof shell switch.
Before traditional explosion-proof housing's among the prior art door was opened, the core had realized the outage of main circuit breaker (main contactor) through electronic chassis, under the general condition, explosion-proof housing's door can be opened safely under the circumstances of main circuit breaker (main contactor) outage, but sometimes electronic chassis can break down unavoidably, lead to main circuit breaker and inlet wire end separation also can open the door under the incomplete circumstances, will bring the electric shock danger for maintenance staff this moment, have the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a interlocking device that opens door for mining flame proof, and the purpose is solved because of main circuit breaker and inlet wire end separation also can open the potential safety hazard problem that causes under the incomplete condition to the door.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
The utility model provides an interlocking device opens door for mining flame proof, includes electronic chassis, the one end on electronic chassis is provided with PMSM, PMSM's output power end is provided with lower rail set spare, lower rail set spare sets up on the electronic chassis, lower rail set spare is kept away from PMSM's one end is provided with first connecting plate, first connecting plate is kept away from lower rail set spare's one end is provided with the second connecting plate, swing joint has the center pillar on the second connecting plate for do the second connecting plate provides the fulcrum of rotation, the second connecting plate is kept away from the one end of first connecting plate is connected with the interlocking lever for open and close explosion-proof housing's door, first connecting plate, interlocking lever set up the different sides of center pillar.
Further, a sleeve is arranged on the outer side of the interlocking rod and used for being fixed on the explosion-proof shell.
Further, the second connecting plate is perpendicular to the middle support column, and the middle support column is arranged below the second connecting plate.
Furthermore, the first connecting plate and the second connecting plate are both assembly welding pieces.
Further, the axial direction of the interlocking rod is consistent with the length direction of the lower guide rail assembly.
The utility model discloses produced beneficial effect for prior art does: the utility model has simple structure, and can ensure that the door of the explosion-proof shell can be opened under the condition that the main breaker is separated from the wire inlet end; under the condition that the main circuit breaker is not completely separated from the incoming line end, the door of the explosion-proof shell cannot be opened, and potential safety hazards are eliminated.
Drawings
The present invention will be further explained with reference to the accompanying drawings;
fig. 1 is a schematic structural view of the present invention;
the electric chassis is 1, the permanent magnet synchronous motor is 2, the lower guide rail assembly is 3, the first connecting plate is 4, the second connecting plate is 5, the middle support is 6, the interlocking rod is 7, and the sleeve is 8.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clear, the present invention is further described in detail with reference to the accompanying embodiments and drawings, it should be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
As shown in figure 1, the door opening interlocking mechanism for the mining explosion suppression comprises an electric chassis 1, a lower guide rail component 3 is arranged above the electric chassis 1, a permanent magnet synchronous motor 2 is arranged behind the electric chassis 1, the lower guide rail component 3 on the electric chassis 1 is driven by the permanent magnet synchronous motor 2, a first connecting plate 4 is arranged in front of the lower guide rail component 3, a second connecting plate 5 is arranged in front of the first connecting plate 4, the first connecting plate 4 and the second connecting plate 5 are assembly welding parts, a middle support column 6 is vertically and movably connected below the second connecting plate 5, the middle support column 6 provides a rotating fulcrum for the second connecting plate 5, the first connecting plate 4 is positioned at the left side of the second connecting plate 5, an interlocking rod 7 is arranged at the right side of the second connecting plate 5 and is used for locking or unlocking a door of an explosion-proof shell, a sleeve 8 is arranged at the outer side of the interlocking rod 7, the sleeve 8 is used for being fixed on an explosion-proof shell, the axial direction of the interlocking rod 7 is the front-back direction, the interlocking rod 7 can move back and forth along the sleeve 8, the first connecting plate 4 is arranged on the left side of the middle support 6, the interlocking rod 7 is arranged on the right side of the middle support 6, and in the working process, the moving direction of the first connecting plate 4 is opposite to the moving direction of the interlocking rod 7.
The working process is that before the door of the explosion-proof shell is opened, the interlocking rod 7 is in the position shown in figure 1, the movement is in the inserting state, the whole system is in the charged state, the door is in the locking state at the moment, when the door of the explosion-proof shell needs to be opened, the electric chassis 1 is controlled, the lower guide rail assembly 3 is driven by the permanent magnet synchronous motor 2 to move forwards and push the first connecting plate 4 to move forwards, the second connecting plate 5 is driven by the first connecting plate 4 to rotate around the middle support 6, namely, the left end of the second connecting plate 5 moves forwards and the right end moves backwards, the right end of the second connecting plate 5 pulls the interlocking plate to move backwards, so that the door is unlocked, meanwhile, a main breaker (main contactor) is also separated from a rear socket in the moving process of the electric chassis 1 so as to cut off the power of the electric chassis, the door can be opened safely at the moment, so that the safe operation of workers is ensured, similarly, when the door needs to be locked, the electric chassis 1 is controlled, the permanent magnet synchronous motor 2 drives the lower guide rail assembly 3 to move backwards, and the interlocking rod 7 moves forwards through the reverse movement during the door opening, so that the door is locked, and at the moment, the switch is switched on and powered on.
The utility model discloses before opening explosion proof enclosure's door, shake out main circuit breaker (main contactor) earlier through control electronic chassis 1, break off its and inlet wire end, in the disconnection, electronic chassis 1's lower rail set spare 3 also can drive first connecting plate 4 forward movement, first connecting plate 4 drives second connecting plate 5 rather than being connected, second connecting plate 5 drives interlocking lever 7 backward movement through the fulcrum with well pillar 6, unlocks explosion proof enclosure door's chain, just can open the door, the utility model discloses simple structure is reliable, also safer when the maintenance is changed, more swift.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (5)
1. A door opening interlocking mechanism for a mining explosion suppression comprises an electric chassis (1) and is characterized in that a permanent magnet synchronous motor (2) is arranged at one end of the electric chassis (1), a lower guide rail assembly (3) is arranged at the tail end of output power of the permanent magnet synchronous motor (2), the lower guide rail assembly (3) is arranged on the electric chassis (1), a first connecting plate (4) is arranged at one end, away from the permanent magnet synchronous motor (2), of the lower guide rail assembly (3), a second connecting plate (5) is arranged at one end, away from the lower guide rail assembly (3), of the first connecting plate (4), a middle support column (6) is movably connected onto the second connecting plate (5) and used for providing a rotating fulcrum for the second connecting plate (5), and an interlocking rod (7) is connected to one end, away from the first connecting plate (4), of the second connecting plate (5), the door is used for opening and closing the explosion-proof shell, and the first connecting plate (4) and the interlocking rod (7) are arranged on different sides of the middle support (6).
2. A door opening interlocking mechanism for a mining explosion suppression according to claim 1, characterized in that a sleeve (8) is arranged on the outer side of the interlocking rod (7), and the sleeve (8) is used for being fixed on an explosion-proof shell.
3. A door opening interlocking mechanism for a mining explosion suppression device according to claim 1, wherein the second connecting plate (5) is arranged perpendicular to the middle support (6), and the middle support (6) is arranged below the second connecting plate (5).
4. The door opening interlocking mechanism for the mining explosion suppression is characterized in that the first connecting plate (4) and the second connecting plate (5) are both assembly welding pieces.
5. A door opening interlocking mechanism for a mining explosion suppression according to claim 1, characterized in that the axial direction of the interlocking rod (7) is consistent with the length direction of the lower guide rail assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390121.3U CN214956506U (en) | 2021-06-22 | 2021-06-22 | Door opening interlocking mechanism for mining explosion suppression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390121.3U CN214956506U (en) | 2021-06-22 | 2021-06-22 | Door opening interlocking mechanism for mining explosion suppression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214956506U true CN214956506U (en) | 2021-11-30 |
Family
ID=79048213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121390121.3U Active CN214956506U (en) | 2021-06-22 | 2021-06-22 | Door opening interlocking mechanism for mining explosion suppression |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214956506U (en) |
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2021
- 2021-06-22 CN CN202121390121.3U patent/CN214956506U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Jian Inventor after: Zhang Zhifei Inventor after: Zhang Hui Inventor after: Fan Sufang Inventor after: Zhao Xuliang Inventor after: Fan Sufeng Inventor before: Li Jian Inventor before: Zhang Hui Inventor before: Fan Sufang Inventor before: Zhao Xuliang Inventor before: Fan Sufeng |
|
| CB03 | Change of inventor or designer information |