CN215118756U - Explosion-proof switch shell for isolating in and out of movement module - Google Patents

Abstract

The utility model relates to an explosion-proof switch shell used for isolating the inlet and outlet of a movement module, belonging to the technical field of coal mine explosion-proof switch equipment; the technical problem to be solved is as follows: the improvement of an explosion-proof switch shell structure for isolating the inlet and the outlet of a movement module is provided; in order to solve the technical problem, the utility model discloses a technical scheme be: an isolation handle and a door opening rotating shaft for fixing a quick-opening door cover are arranged on the windowing side of the explosion-proof shell, and a door opening bolt is inserted into the door opening rotating shaft and is fixed during installation; a displacement bracket used for pulling out or pushing in the movement module is arranged in the explosion-proof shell, the fixed end of the displacement bracket is embedded into a groove on the surface of the movement module, a driving pin is vertically arranged at the top of the displacement bracket, and an operation module is also arranged at the top of the displacement bracket; the front guide frame and the rear guide frame of the operation module are fixed on the explosion-proof shell through connecting shafts, and the front guide frame and the rear guide frame are connected through displacement rotating shafts arranged in parallel; the utility model discloses be applied to explosion-proof equipment.

Description

Explosion-proof switch shell for isolating in and out of movement module

Technical Field

The utility model relates to an explosion-proof switch shell for core module business turn over is kept apart belongs to colliery explosion-proof switchgear technical field.

Background

With the continuous development of coal resource related industries, coal mine working faces have more integrated and humanized requirements on related equipment, higher requirements on maintenance, replacement and safety of the equipment are provided, and in an explosive gas environment containing methane coal dust mixture in underground coal mines and surrounding media, shell switches of related explosion-proof equipment are required to meet safety requirements, such as explosion-proof vacuum switches and explosion-proof vacuum electromagnetic starters.

The door of explosion-proof shell of present equipment is when opening, and the outage of main circuit breaker (or main contactor) can be realized through control scheme to its inside core, and the inlet wire end of main circuit breaker still is in charged state this moment, under the general condition, the door of explosion-proof shell can be opened safely under the circumstances of main circuit breaker outage, but sometimes the control scheme of core or main circuit breaker probably break down, if main circuit breaker vacuum tube contact adhesion, the door of explosion-proof shell can be in dangerous charged state when opening this moment, bring the potential safety hazard for maintenance staff.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of an explosion-proof switch shell structure for isolating the inlet and the outlet of a movement module is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: an explosion-proof switch shell for isolating the inlet and outlet of a movement module comprises an explosion-proof shell, wherein one side of the explosion-proof shell is provided with a maintenance window, a quick-opening door cover is movably arranged on the opening side of the explosion-proof shell, an isolation handle and a door opening rotating shaft are further arranged on the opening side of the explosion-proof shell and used for fixing the quick-opening door cover, and a door opening bolt is inserted into and fixed with the door opening rotating shaft during installation;

a displacement bracket used for pulling out or pushing in the movement module is arranged in the explosion-proof shell, the fixed end of the displacement bracket is embedded into a groove on the surface of the movement module, a driving pin is also vertically arranged at the top of the displacement bracket, and an operation module is also arranged at the top of the displacement bracket;

the operation module comprises a front guide frame and a rear guide frame, the front guide frame and the rear guide frame are fixed on the explosion-proof shell through connecting shafts, the front guide frame and the rear guide frame are connected through displacement rotating shafts arranged in parallel, the displacement rotating shafts are provided with screw sleeves through pins, the surfaces of the screw sleeves are provided with groove grains, driving pins are embedded into the groove grains, and the screw sleeves can drive the displacement support to move forwards or backwards when rotating;

one end of the displacement rotating shaft penetrates through the explosion-proof shell and the locking and unlocking plate and then is connected with the isolating handle through a pin, and the displacement rotating shaft can synchronously rotate while the isolating handle is rotated;

the inner side of the door opening rotating shaft penetrates through the explosion-proof shell to be connected with one end of the interlocking plate, and the other end of the interlocking plate is connected with the locking and unlocking plate, so that the door opening rotating shaft can drive the locking and unlocking plate to move horizontally when rotating.

And one ends of the front guide frame and the rear guide frame are also provided with guide rail shafts.

The inner side of the movement module is connected with the contact seat through a plug.

The utility model discloses beneficial effect for prior art possesses does: the utility model aims at the problem that the explosion-proof shell of the equipment is possibly electrified during maintenance, the corresponding structure of the explosion-proof shell is improved, and the explosion-proof shell is required to be in a safe state in the whole process of equipment operation and maintenance; the utility model discloses carry out the activity setting to the core module, install it on the displacement subassembly, cooperate and keep apart the handle and realize the linkage, rotate and keep apart the handle and can realize core module and contact seat separation or joint, also make core module and plug seat break away from completely automatically after the explosion-proof shell door is opened and cut off the power supply completely, when switchgear is out of order, maintainer can maintain safely, effectively improve the operational safety; the utility model discloses simple structure is reliable, also safer, more swift when carrying out explosion-proof equipment maintenance and changing.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the explosion-proof switch housing in a door-closing operating state according to the present invention;

FIG. 2 is a schematic structural view of the explosion-proof switch casing in the state of opening the door for maintenance;

fig. 3 is a schematic structural diagram of an embodiment of the present invention;

in the figure: the explosion-proof door lock comprises an explosion-proof shell 1, a quick-opening door cover 2, an isolation handle 3, a core module 4, a contact seat 5, a door-opening bolt 6, a door-opening rotating shaft 7, an unlocking plate 8, a displacement rotating shaft 9, a front guide frame 10, a spiral sleeve 11, a guide rail shaft 12, a rear guide frame 13, a displacement assembly 14, an interlocking plate 15 and a driving pin 21.

Detailed Description

As shown in fig. 1 to 3, the utility model relates to an explosion-proof switch shell for movement module in-out isolation, which comprises an explosion-proof shell 1 with a maintenance window at one side, a quick-opening door cover 2 is movably arranged at the opening side of the explosion-proof shell 1, an isolation handle 3 for fixing the quick-opening door cover 2 and a door opening rotating shaft 7 are also arranged at the opening side of the explosion-proof shell 1, and a door opening bolt is inserted into the door opening rotating shaft 7 and fixed during installation;

a displacement bracket 14 used for pulling out or pushing in the movement module 4 is arranged in the explosion-proof shell 1, the fixed end of the displacement bracket 14 is embedded into a groove on the surface of the movement module 4, a driving pin 21 is also vertically arranged at the top of the displacement bracket 14, and an operation module is also arranged at the top of the displacement bracket 14;

the operation module comprises a front guide frame 10 and a rear guide frame 13, the front guide frame 10 and the rear guide frame 13 are fixed on the explosion-proof shell 1 through connecting shafts, the front guide frame 10 is connected with the rear guide frame 13 through a displacement rotating shaft 9 arranged in parallel, the displacement rotating shaft 9 is further provided with a screw sleeve 11 through a pin, the surface of the screw sleeve 11 is provided with groove grains, a driving pin 21 is embedded into the groove grains, and the screw sleeve 11 can drive the displacement support 14 to move forwards or backwards when rotating;

one end of the displacement rotating shaft 9 penetrates through the explosion-proof shell 1 and the locking and unlocking plate 8 and then is connected with the isolating handle 3 through a pin, and the displacement rotating shaft 9 can synchronously rotate while the isolating handle 3 is rotated;

the inner side of the door opening rotating shaft 7 penetrates through the explosion-proof shell 1 to be connected with one end of the interlocking plate 15, the other end of the interlocking plate 15 is connected with the locking and unlocking plate 8, and the door opening rotating shaft 7 can drive the locking and unlocking plate 8 to move horizontally when rotating.

And one ends of the front guide frame 10 and the rear guide frame 13 are also provided with guide rail shafts 12.

The inner side of the movement module 4 is connected with the contact seat 5 through a plug.

The utility model improves the shell of the explosion-proof equipment, the improved structure can conveniently realize that the isolating handle is lifted up and rotates clockwise by 90 degrees, and the travel switch can be released to realize the brake separation of the movement module; the utility model discloses a core business turn over isolator constructs has obvious physical breaking position when operation, only needs turning handle to horizontal position (core module and electrified plug socket thoroughly separate) when the core module needs maintenance to be changed, then rotates the pivot of opening the door and withdraws from the bolt that opens the door, will open the door cover translation soon and open the door, then pull out the core module can, effectively improve maintenance efficiency under the prerequisite of guaranteeing operation safety.

The utility model discloses when using, need open the door closure soon with explosion-proof housing 1 and overhaul, at first lift isolation handle 3, will release stroke switch core module 4 branch this moment and divide, isolation handle 3 clockwise rotates 90 degrees and turns to horizontal position, when keeping apart handle 3 pivoted, will drive displacement pivot 9 and drive the spiral shell 11 simultaneously and rotate 90 degrees, and the rotation of spiral shell 11 will stimulate drive round pin 21 and carry out the displacement, thereby drive whole displacement assembly 14 action, displacement assembly 14 can be with core module 4 to the 2 direction side translations of door closure soon, and withdraw from contact seat 5, realize the outage of major loop.

When the isolation handle 3 rotates to the horizontal position, the groove lines of the displacement rotating shaft 9 are also at the horizontal position, at the moment, when the movement module 4 exits, the door opening rotating shaft 7 can be rotated to drive the interlocking plate 15, meanwhile, the locking and unlocking plate 8 is driven to translate, meanwhile, when the door opening rotating shaft 7 rotates 90 degrees, the door opening bolt 6 exits, and the door opening cover 2 can be translated and opened for maintenance.

It should be noted that, regarding the specific structure of the present invention, the connection relationship between the various component modules adopted in the present invention is determined and can be realized, except the specific description in the embodiment, the specific connection relationship can bring the corresponding technical effect, and the technical problems proposed by the present invention can be solved on the premise of not depending on the execution of the corresponding software program, the models and the mutual connection modes of the components, modules and specific components appearing in the present invention, and the conventional application method and the expectable technical effect brought by the above technical features, except the specific description, all belong to the disclosed contents in the patents, journal papers, technical manuals, technical dictionaries, and textbooks that can be obtained by the technicians in the field before applying for the application, or belong to the prior art such as the conventional technology and the common knowledge in the field, without any unnecessary details, the technical scheme provided by the scheme is clear, complete and realizable, and the corresponding entity product can be reproduced or obtained according to the technical means.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (3)

1. The utility model provides an explosion-proof switch shell for core module business turn over is kept apart, includes that one side sets up explosion-proof shell (1) of maintaining the window, and the side activity of windowing at explosion-proof shell (1) is provided with fast door cover (2), its characterized in that: the side of the explosion-proof shell (1) with the opening window is also provided with an isolation handle (3) and a door opening rotating shaft (7) which are used for fixing the quick opening door cover (2), and a door opening bolt is inserted into the door opening rotating shaft (7) and fixed during installation;

a displacement bracket (14) used for pulling out or pushing in the movement module (4) is arranged in the explosion-proof shell (1), the fixed end of the displacement bracket (14) is embedded into a groove on the surface of the movement module (4), a driving pin (21) is also vertically arranged at the top of the displacement bracket (14), and an operation module is also arranged at the top of the displacement bracket (14);

the operation module comprises a front guide frame (10) and a rear guide frame (13), the front guide frame (10) and the rear guide frame (13) are fixed on the explosion-proof shell (1) through connecting shafts, the front guide frame (10) and the rear guide frame (13) are connected through displacement rotating shafts (9) arranged in parallel, the displacement rotating shafts (9) are further provided with screw sleeves (11) through pins, groove grains are arranged on the surfaces of the screw sleeves (11), and driving pins (21) are embedded into the groove grains, so that the screw sleeves (11) can drive the displacement support (14) to move forwards or backwards when rotating;

one end of the displacement rotating shaft (9) penetrates through the explosion-proof shell (1) and the locking and unlocking plate (8) and then is connected with the isolating handle (3) through a pin, and the displacement rotating shaft (9) can synchronously rotate while the isolating handle (3) is rotated;

the explosion-proof shell (1) is passed to the inboard of pivot (7) of opening the door and the one end of interlocking board (15) is connected, the other end and the closure unlocking board (8) of interlocking board (15) link to each other, make pivot (7) of opening the door can drive closure unlocking board (8) when rotating and carry out the translation.

2. An explosion-proof switch housing for movement module ingress and egress isolation as claimed in claim 1, wherein: and one ends of the front guide frame (10) and the rear guide frame (13) are also provided with guide rail shafts (12).

3. An explosion-proof switch housing for movement module ingress and egress isolation as claimed in claim 1, wherein: the inner side of the movement module (4) is connected with the contact seat (5) through a plug.

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