CN211295858U - Explosion-proof feed combination switch for underground coal mine - Google Patents
Explosion-proof feed combination switch for underground coal mine Download PDFInfo
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- CN211295858U CN211295858U CN202020203832.4U CN202020203832U CN211295858U CN 211295858 U CN211295858 U CN 211295858U CN 202020203832 U CN202020203832 U CN 202020203832U CN 211295858 U CN211295858 U CN 211295858U
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Abstract
The utility model relates to a colliery is flame-proof type feed combination switch in pit, including the flame proof box, be provided with a plurality of explosion-proof boards from top to bottom in the flame proof box, spout and flame proof box sliding connection are passed through to the both sides of explosion-proof board to the explosion-proof board can fix a position fixedly on the spout, and the explosion-proof board is with a plurality of casees of flame proof box dust, is provided with electrical components, feed switch in each case. The utility model discloses device design science, rational in infrastructure, convenient to use, maintenance are simple, the security is high, the suitability is good, long service life, and the position of built-in multilayer explosion-proof board can be adjusted freely from top to bottom to form different volumetric boxrooms, allotment between the different volume electrical components in addition is placed, makes the space of every boxroom obtain the most abundant utilization. Therefore, the self space utilization rate of the whole device can be greatly improved, so that the device can be made to be smaller and more exquisite when being manufactured, and occupies less places in the limited space in the pit.
Description
Technical Field
The utility model relates to a colliery power supply technical field specifically is a colliery is flame-proof type feed combination switch in pit.
Background
The existing mining explosion-proof vacuum feed switch is mainly assembled by an explosion-proof shell and electric elements in the explosion-proof shell, wherein the electric elements mainly comprise a circuit breaker, a zero sequence transformer, a current transformer combination block, a control transformer, a three-phase reactor, a fuse and the like, and the electric elements are integrally installed at the bottom in the explosion-proof shell, so that the explosion-proof shell is large in size, occupies a large amount of space and is low in space utilization rate. Aiming at the problem, at present, a plurality of layers of partition plates are arranged in an explosion-proof shell to solve the problem, but the partition plates are all fixed, and the sub-space formed by the partition plates has the problem of low space utilization rate for placing electrical elements with different volumes.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art and providing a coal mine underground explosion-proof feed combination switch.
The utility model discloses a realize through following technical scheme:
a coal mine underground explosion-proof type feed combination switch comprises an explosion-proof box body with a door plate and an electrical element arranged in the explosion-proof box body; the inner walls of two opposite sides in the explosion-proof box body are symmetrically provided with vertically arranged sliding grooves, a plurality of positioning clamping ridges are uniformly distributed at intervals at the bottom of each sliding groove, a plurality of sliding blocks are arranged in the sliding grooves in a sliding clamping manner, the sliding blocks are in threaded connection with positioning bolts, the positioning bolts can penetrate through the sliding blocks through torsion, and the end parts of the positioning bolts can be supported on the corresponding positioning clamping ridges; a plurality of explosion-proof plates are sequentially arranged in the explosion-proof box body from top to bottom, and two sides of each explosion-proof plate are fixedly connected with corresponding sliding blocks in the sliding grooves respectively; the internal space of the explosion-proof box body is divided into a plurality of box chambers by a plurality of explosion-proof plates in the explosion-proof box body, the electric elements are arranged in the box chambers, each box chamber is provided with a wiring port and a feed switch, the feed switch in one box chamber is a main feed switch, and the feed switches in the other box chambers are branch feed switches.
As an optimized technical scheme, the box wall of the explosion-proof box body is of a three-layer structure and comprises an inner box wall, an outer box wall and a high-temperature-resistant foam layer clamped between the inner box wall and the outer box wall, and a heat conduction pipe penetrating through the high-temperature-resistant foam layer is connected between the inner box wall and the outer box wall.
As the preferred technical scheme, a dustproof pad is arranged between the door plate and the box opening of the explosion-proof box body.
As an optimized technical scheme, the bottom of the explosion-proof box body is provided with a universal wheel with a self-locking function.
The utility model discloses device design science, rational in infrastructure, convenient to use, maintenance are simple, the security is high, the suitability is good, long service life, and the position of built-in multilayer explosion-proof board can be adjusted freely from top to bottom to form different volumetric boxrooms, allotment between the different volume electrical components in addition is placed, makes the space of every boxroom obtain the most abundant utilization. Therefore, the self space utilization rate of the whole device can be greatly improved, so that the device can be made to be smaller and more exquisite when being manufactured, and occupies less places in the limited space in the pit.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention in any way.
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a top cross-sectional view of the present invention.
Fig. 3 is a front view of the middle sliding chute of the present invention.
Fig. 4 is a top view of the middle sliding chute of the present invention.
Fig. 5 is a side sectional view of the middle sliding chute of the present invention.
In the figure: 1-explosion-proof box body, 2-door plate, 3-sliding groove, 4-positioning clamping edge, 5-sliding block, 6-positioning bolt, 7-explosion-proof plate, 8-right-angle connecting piece, 9-inner box wall, 10-outer box wall, 11-high temperature resistant foam layer, 12-heat conducting pipe, 13-dustproof pad and 14-universal wheel.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 5, the coal mine underground explosion-proof feed combination switch comprises an explosion-proof box body 1 with a door panel 2 and an electrical element arranged in the explosion-proof box body 1; the inner walls of two opposite sides in the explosion-proof box body 1 are symmetrically provided with vertically arranged sliding chutes 3, each sliding chute 3 comprises a chute bottom, two sides of each chute bottom are provided with baffle plates, plate edges of the baffle plates are provided with inwards bent clamping edges, and a space defined by the chute bottoms, the baffle plates and the clamping edges is a sliding space of the sliding chutes 3; a plurality of positioning clamping ridges 4 are uniformly distributed at intervals at the bottom of the sliding groove 3, and the plurality of positioning clamping ridges 4 are arranged in parallel and are arranged one by one along the length direction of the sliding groove 3; a plurality of sliding blocks 5 are clamped in the sliding groove 3, namely the sliding blocks 5 are clamped in a sliding space defined by the groove bottom, the baffle plate and the clamping edge and can freely slide up and down in the space; the slide block 5 is in threaded connection with a positioning bolt 6, the positioning bolt 6 can penetrate through the slide block 5 through torsion, the end part of the positioning bolt can be supported on the corresponding positioning clamping ridge 4, and the slide block 5 is positioned and fixed under the combined action of the positioning bolt 6 and the positioning clamping ridge 4; a plurality of explosion-proof plates 7 are sequentially arranged in the explosion-proof box body 1 from top to bottom, two sides of each explosion-proof plate 7 are fixedly connected with corresponding sliding blocks 5 in the sliding grooves 3 respectively, the explosion-proof plates 7 and the sliding blocks 5 can be relatively fixed through right-angle connecting pieces 8 and screws, and the right-angle connecting pieces 8 can select angle codes; a plurality of explosion-proof plates 7 in the explosion-proof box body 1 divide the internal space of the explosion-proof box body 1 into a plurality of box chambers, electrical components are arranged in the box chambers, each box chamber is provided with a wiring port and is provided with a feed switch, the feed switch in one box chamber is a main feed switch, and the feed switches in the other box chambers are branch feed switches.
During the concrete implementation, the tank wall of the flameproof box body 1 is of a three-layer structure and comprises an inner tank wall 9, an outer tank wall 10 and a high-temperature-resistant foam layer 11 clamped between the inner tank wall and the outer tank wall, and a heat conduction pipe 12 penetrating through the high-temperature-resistant foam layer 11 is connected between the inner tank wall 9 and the outer tank wall 10. The wall of the explosion-proof box body 1 is designed to be interlayer-shaped, so that firstly, the material consumption is reduced, and the cost is reduced; and secondly, the high-temperature foam layer 11 has good buffering performance, and can protect the box body structure when an accident occurs. The heat conducting pipe 12 is used for well discharging heat generated by electrical components in the box body, so that the heat dissipation effect of the box body is enhanced, and heat accumulation is avoided.
During specific implementation, a dustproof pad 13 is arranged between the door panel 2 of the explosion-proof box body 1 and the box opening. Dust impurity is more in the pit, and the cleanliness in the box can be improved in the setting of dustproof pad 13, avoids electrical components because the entering of dust impurity condition of breaking down.
In specific implementation, the bottom of the explosion-proof box body 1 is provided with the universal wheel 14 with a self-locking function. The arrangement of the universal wheels 14 improves the maneuverability of the device, so that the device has wider applicability.
The technical solutions in the embodiments of the present invention have been clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Claims (4)
1. The utility model provides a colliery is flame-proof type feed combination switch in pit, includes the flame-proof box that has the door plant and sets up the electrical components in the flame-proof box, its characterized in that: the inner walls of two opposite sides in the explosion-proof box body are symmetrically provided with vertically arranged sliding grooves, a plurality of positioning clamping ridges are uniformly distributed at intervals at the bottom of each sliding groove, a plurality of sliding blocks are arranged in the sliding grooves in a sliding clamping manner, the sliding blocks are in threaded connection with positioning bolts, the positioning bolts can penetrate through the sliding blocks through torsion, and the end parts of the positioning bolts can be supported on the corresponding positioning clamping ridges; a plurality of explosion-proof plates are sequentially arranged in the explosion-proof box body from top to bottom, and two sides of each explosion-proof plate are fixedly connected with corresponding sliding blocks in the sliding grooves respectively; the internal space of the explosion-proof box body is divided into a plurality of box chambers by a plurality of explosion-proof plates in the explosion-proof box body, the electric elements are arranged in the box chambers, each box chamber is provided with a wiring port and a feed switch, the feed switch in one box chamber is a main feed switch, and the feed switches in the other box chambers are branch feed switches.
2. The underground coal mine explosion-proof feed combination switch according to claim 1, characterized in that: the box wall of the explosion-proof box body is of a three-layer structure and comprises an inner box wall, an outer box wall and a high-temperature-resistant foam layer clamped between the inner box wall and the outer box wall, and a heat conduction pipe penetrating through the high-temperature-resistant foam layer is connected between the inner box wall and the outer box wall.
3. The underground coal mine explosion-proof feed combination switch according to claim 1 or 2, characterized in that: and a dustproof pad is arranged between the door plate and the box opening of the explosion-proof box body.
4. The underground coal mine explosion-proof feed combination switch according to claim 1 or 2, characterized in that: and the bottom of the explosion-proof box body is provided with a universal wheel with a self-locking function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020203832.4U CN211295858U (en) | 2020-02-25 | 2020-02-25 | Explosion-proof feed combination switch for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020203832.4U CN211295858U (en) | 2020-02-25 | 2020-02-25 | Explosion-proof feed combination switch for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211295858U true CN211295858U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020203832.4U Active CN211295858U (en) | 2020-02-25 | 2020-02-25 | Explosion-proof feed combination switch for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211295858U (en) |
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2020
- 2020-02-25 CN CN202020203832.4U patent/CN211295858U/en active Active
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