CN216055951U - Power distribution box for three-proofing coal mine - Google Patents
Power distribution box for three-proofing coal mine Download PDFInfo
- Publication number
- CN216055951U CN216055951U CN202122328755.2U CN202122328755U CN216055951U CN 216055951 U CN216055951 U CN 216055951U CN 202122328755 U CN202122328755 U CN 202122328755U CN 216055951 U CN216055951 U CN 216055951U
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- Prior art keywords
- distribution box
- power distribution
- groove
- coal mine
- proofing
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- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 16
- 210000004907 gland Anatomy 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of power distribution boxes for coal mines, in particular to a three-proofing power distribution box for coal mines. The sealing structure is located at the upper end of the distribution box, the distribution box comprises a box body shell, a limiting groove, an expansion groove, a fixing outer frame and a filter screen, the limiting groove is formed in one side of the upper end of the box body shell, the expansion groove is formed in one side of one end of the box body shell and penetrates through the limiting groove, the fixing outer frame is located on the upper side of the inner end of the box body shell, and the filter screen is fixed to the lower side of the inner end of the fixing outer frame through screws. The heat dissipation of the interior of the distribution box is facilitated in high-temperature weather, and the normal operation of the distribution box is effectively guaranteed; through the setting to the filter screen, can be so that the switch board in the radiating process, outside dust can not enter into the inside of switch board, simultaneously this practicality in the filter screen can take out and insert and take, effectual dust of piling up on to the filter screen clears up.
Description
Technical Field
The utility model relates to the technical field of power distribution boxes for coal mines, in particular to a three-proofing power distribution box for coal mines.
Background
The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state. The power distribution box is commonly used in various power generation, distribution and transformation substations, wherein the power distribution box can be applied to three-prevention coal mines.
The prior publication numbers are: CN211238954U provides a three-prevention coal mine power distribution box which effectively solves the problems of simple structure and poor sealing property of the existing distribution box, easily polluted in the environment with high dust such as coal mines and the like, causing the internal components to be obstructed, causing the accumulation of dust when used in the environment for a long time, leading maintenance personnel to be unable to well carry out line investigation, replacement of components and the like, causing great troubles to the maintenance and use, through the structure setting to the electronic box, the convenient to use person can cooperate the sealing door to effectively guarantee the sealing effect inside the box through the structure setting of the box, guarantee the safety of components and parts and circuits inside the box, and greatly reduce the pollution of the external environment.
But present device still has certain problem, and is concrete, because the special of coal mine environment, when the block terminal is applied to opencut coal mine in the middle of, under the condition that the sun insolate and block terminal itself generate heat, current block terminal heat dissipation is slow, is unfavorable for the long-term use of block terminal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power distribution box for a three-prevention coal mine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a three proofings power distribution box for coal mine, seal structure is located the upper end of block terminal, and wherein the block terminal is including box shell, restriction groove, expansion groove, fixed frame and filter screen, the restriction groove is seted up in upper end one side of box shell, and wherein expand the groove and set up in one end one side of box shell, the expansion groove runs through the restriction groove and sets up, and wherein fixed frame is located the inner upside of box shell, the inner downside at fixed frame is fixed to the filter screen fix with screw.
Preferably, the middle side of one end of the fixed outer frame is provided with an anti-deviation rod in welded connection, wherein the anti-deviation rod is positioned inside the limiting groove, and one end of the anti-deviation rod is wrapped and arranged with a friction pad in adhesive connection.
Preferably, the friction pad is located inside the expansion slot, wherein the friction pad is made of a rubber pad.
Preferably, the sealing structure comprises a protective end cover, a ventilation opening, a radiator and a placement groove, wherein the ventilation opening penetrates through the middle side of the middle end of the protective end cover and is arranged, the radiator is positioned on the lower side of the inner end of the ventilation opening, and the placement groove is arranged at the upper end of the protective end cover.
Preferably, the protective end cover is fixed at the upper end of the box body shell through screws, wherein the radiator is fixedly connected with the protective end cover through screws, and the placing groove is located on the outer side of the ventilation opening.
Preferably, the elastic rod is placed to the inner downside of standing groove, and wherein the conflict ring is placed to the inner upside of standing groove, the sealed pad of arranging is inlayed to the inboard embedding in conflict ring upper end.
Preferably, the gland has been placed to conflict ring upper end, and wherein the gland pivot is fixed on the protection end cover, the gland inclines six degrees on the conflict ring and arranges.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the arrangement of the utility model, the upper end of the distribution box can have a heat dissipation function, so that the heat dissipation of the interior of the distribution box can be facilitated in high-temperature weather, and the normal operation of the distribution box can be effectively ensured;
2. through the setting to the filter screen, can be so that the switch board in the radiating process, outside dust can not enter into the inside of switch board, simultaneously this practicality in the filter screen can take out and insert and take, effectual dust of piling up on to the filter screen clears up.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of the housing of the case of the present invention;
FIG. 3 is a schematic front view in half section of the protective end cap of the present invention;
fig. 4 is an enlarged view of the utility model at a in fig. 2.
In the figure: the box body casing 1, the limiting groove 11, the expansion groove 12, the fixing outer frame 13, the deviation preventing rod 1301, the friction pad 1302, the filter screen 14, the protective end cover 2, the ventilation opening 21, the heat radiator 22, the placing groove 23, the elastic rod 2301, the interference ring 2302, the sealing gasket 2303 and the gland 2304.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the power distribution box comprises a power distribution box with a filtering function and a sealing structure with a heat dissipation function, wherein the sealing structure is positioned at the upper end of the power distribution box, the power distribution box comprises a box body shell 1, a limiting groove 11, an expansion groove 12, a fixed outer frame 13 and a filter screen 14, the limiting groove 11 is arranged at one side of the upper end of the box body shell 1, the expansion groove 12 is arranged at one side of one end of the box body shell 1, the expansion groove 12 penetrates through the limiting groove 11, the fixed outer frame 13 is positioned at the upper side of the inner end of the box body shell 1, a deviation preventing rod 1301 in welded connection is arranged at the middle side of one end of the fixed outer frame 13, the deviation preventing rod 1301 is positioned in the limiting groove 11, one end of the deviation preventing rod 1301 is wrapped and arranged with a friction pad 1302 in adhesive connection, the friction pad 1302 is sleeved on the deviation preventing rod 1301, the position of the fixed outer frame 13 can be limited by utilizing the expansion groove 12, the friction pad 1302 is positioned in the expansion groove 12, wherein the friction pad 1302 is made of a rubber pad, the filter screen 14 is fixed at the lower side of the inner end of the fixed outer frame 13 by screws, the sealing structure comprises a protective end cover 2, a vent 21, a radiator 22 and a placing groove 23, wherein the vent 21 penetrates through the middle side of the middle end of the protective end cover 2 to be arranged, the radiator 22 is positioned at the lower side of the inner end of the vent 21, the placing groove 23 is arranged at the upper end of the protective end cover 2, the protective end cover 2 is fixed at the upper end of the box body shell 1 by screws, the radiator 22 is fixedly connected with the protective end cover 2 by screws, the placing groove 23 is positioned at the outer side of the vent 21, an elastic rod 2301 is arranged at the lower side of the inner end of the placing groove 23, the elastic rod 2301 can push against the contact ring 2302 to ensure that the upper end of the contact ring 2302 is higher, the contact ring 2302 is arranged at the upper side of the inner end of the placing groove 23, an inclined plane is arranged at the upper end of the 2302, the inclined plane has an angle of six degrees, and further the inclined angle of the sealing gasket 2303 is also six degrees, simultaneously gland 2304 can laminate the inclined plane of conflict ring 2303 upper end, is favorable to guaranteeing vent 21's leakproofness like this, can close gland 2304 when not using the radiator, and the inboard embedding of conflict ring 2302 upper end is sealed to be filled up 2303, and gland 2304 has been placed to conflict ring 2302 upper end, and wherein gland 2304 pivot is fixed on protection end cover 2, and gland 2304 inclines six degrees on conflict ring 2302 and arranges.
The working principle is as follows: utilize anti-bias pole 1301 to slide in restriction groove 11 is inside, can take out fixed frame 13 from the inside of box shell 1, can clear up filter screen 14 this moment, when needs dispel the heat to box shell 1, rotate gland 2304 for vent 21 exposes, starts radiator 22 afterwards, makes radiator 22 dispel the heat to the block terminal is inside.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a three proofings are power distribution box for coal mine, includes block terminal that has filtering capability and the seal structure that has the heat dissipation function, its characterized in that: the sealing structure is located at the upper end of the distribution box, the distribution box comprises a box body shell (1), a limiting groove (11), an expansion groove (12), a fixed outer frame (13) and a filter screen (14), the limiting groove (11) is formed in one side of the upper end of the box body shell (1), the expansion groove (12) is formed in one side of one end of the box body shell (1), the expansion groove (12) penetrates through the limiting groove (11) to be formed, the fixed outer frame (13) is located on the upper side of the inner end of the box body shell (1), and the filter screen (14) is fixed to the lower side of the inner end of the fixed outer frame (13) through screws.
2. The power distribution box for three-proofing coal mine according to claim 1, wherein: the middle side of one end of the fixed outer frame (13) is provided with an anti-deviation rod (1301) which is connected in a welded mode, wherein the anti-deviation rod (1301) is located inside the limiting groove (11), and one end of the anti-deviation rod (1301) is wrapped with a friction pad (1302) which is connected through glue.
3. The power distribution box for three-proofing coal mine according to claim 2, characterized in that: the friction pad (1302) is positioned inside the expansion groove (12), wherein the friction pad (1302) is made of a rubber pad.
4. The power distribution box for three-proofing coal mine according to claim 1, wherein: the sealing structure comprises a protection end cover (2), a ventilation opening (21), a radiator (22) and a placing groove (23), wherein the ventilation opening (21) penetrates through the middle side of the middle end of the protection end cover (2) to be formed, the radiator (22) is located on the lower side of the inner end of the ventilation opening (21), and the placing groove (23) is formed in the upper end of the protection end cover (2).
5. The power distribution box for three-proofing coal mine according to claim 4, wherein: the protective end cover (2) is fixed at the upper end of the box body shell (1) through screws, wherein the radiator (22) is fixedly connected with the protective end cover (2) through screws, and the placing groove (23) is located on the outer side of the ventilation opening (21).
6. The power distribution box for three-proofing coal mine according to claim 4, wherein: an elastic rod (2301) is placed on the lower side of the inner end of the placing groove (23), an interference ring (2302) is placed on the upper side of the inner end of the placing groove (23), and a sealing gasket (2303) is embedded into the inner side of the upper end of the interference ring (2302).
7. The power distribution box for three-proofing coal mine according to claim 6, wherein: gland (2304) have been placed to conflict ring (2302) upper end, and wherein gland (2304) pivot is fixed on protection end cover (2), gland (2304) incline six degrees on conflict ring (2302) and incline and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328755.2U CN216055951U (en) | 2021-09-24 | 2021-09-24 | Power distribution box for three-proofing coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328755.2U CN216055951U (en) | 2021-09-24 | 2021-09-24 | Power distribution box for three-proofing coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216055951U true CN216055951U (en) | 2022-03-15 |
Family
ID=80600498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122328755.2U Expired - Fee Related CN216055951U (en) | 2021-09-24 | 2021-09-24 | Power distribution box for three-proofing coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216055951U (en) |
-
2021
- 2021-09-24 CN CN202122328755.2U patent/CN216055951U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |