CN111511135B - Coal mine underground electrical equipment dustproof device with good dustproof effect - Google Patents
Coal mine underground electrical equipment dustproof device with good dustproof effect Download PDFInfo
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- CN111511135B CN111511135B CN202010331673.0A CN202010331673A CN111511135B CN 111511135 B CN111511135 B CN 111511135B CN 202010331673 A CN202010331673 A CN 202010331673A CN 111511135 B CN111511135 B CN 111511135B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the field of electrical equipment, and particularly relates to a coal mine underground electrical equipment dustproof device with a good dustproof effect. The mining underground electrical equipment dust-proof device is reasonable in structure and convenient to operate, the dust-proof effect of the mining underground electrical equipment is good, the dust-proof device can play a good dust-proof effect on the electrical equipment, and damage and hidden danger are not easily caused.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a dust-proof device for underground coal mine electrical equipment with a good dust-proof effect.
Background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, when the coal bed is far away from the ground surface, a tunnel is generally selected to dig coal into the ground, the coal is a mineworker coal mine, various electrical equipment is needed when the coal mine is mined underground, because the underground environmental conditions are special and different from each other, the underground electric equipment is different from the ground electric equipment, and the underground electric equipment has the following types according to the relevant safety regulation, wherein the general electrical equipment for mining is characterized in that the conductive parts are isolated by a closed shell, the mechanical strength of the shell is higher, people can be prevented from dripping or splashing, a special junction box is provided, the insulating part has the moisture-proof property, the electrical equipment board can be used in a shaft bottom yard, a main air inlet duct and a main air inlet duct in a gas mine;
however, the existing underground mining electrical equipment is poor in dustproof effect, the dustproof equipment is often a single dustproof net and cannot play a good dust removal and dustproof effect on the electrical equipment, and the electrical equipment is easily damaged and hidden troubles are easily caused by dust covering when being used underground for a long time.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the dust-proof effect of underground electrical equipment for mines is poor, the dust-proof equipment is often a single dust-proof net and cannot play a good dust-proof effect on the electrical equipment, and the electrical equipment is easily damaged and hidden danger is caused by dust covering when being used underground for a long time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coal mine underground electrical equipment dustproof device with good dustproof effect comprises an electrical cabinet, wherein the bottom of the electrical cabinet is provided with an opening, the bottom of the electrical cabinet is provided with a mounting plate, the top of the mounting plate is provided with a connecting hole, a mounting seat is fixedly arranged in the connecting hole and movably arranged in the electrical cabinet, the bottom of the mounting plate is fixedly provided with a plurality of cushion blocks, the top of the mounting seat is provided with a mounting hole, a cooling fan is fixedly arranged in the mounting hole, a connecting plate is movably arranged in the mounting hole, the top of the connecting plate is provided with a through hole, the through hole is fixedly connected with a moisture absorption plate, purified cotton and a filter screen, both sides of the connecting plate are provided with limiting grooves, the inner walls of both sides of the mounting hole are provided with moving grooves, limiting rods are respectively and slidably arranged in the two moving grooves, the limiting rods are movably arranged in, first lead screw is installed to equal screw thread in two first thread grooves, the one end of first lead screw is rotated and is installed on one side inner wall of shifting chute, and equal fixed mounting has first bevel gear on two first lead screws, has all seted up the rotation hole on the top inner wall of two shifting chutes, all rotates in two rotation holes and installs the dwang, the equal fixedly connected with second bevel gear in bottom of two dwangs, the meshing of second bevel gear and the first bevel gear that corresponds, the equal fixed mounting in top of two dwangs has the carousel, and movable mounting has the filter plate in the mounting hole.
Preferably, the fixed slot has all been seted up on the both sides inner wall of mounting hole, and the control groove has all been seted up to the both sides of filter plate, and equal slidable mounting has the fixed block in two control grooves, and fixed block movable mounting drives the fixed block and removes in the fixed slot that corresponds, and the fixed block roll-off fixed slot can be taken out the filter plate and change and clear up.
Preferably, the slide holes are formed in the inner wall of one side of each of the two control grooves, the slide rods are slidably mounted in the slide holes, one ends of the slide rods are welded on the corresponding fixed blocks, and the two slide rods are fixedly connected with pull rings.
Preferably, the slot has been seted up on the fixed block, has seted up on one side inner wall of fixed slot and has removed the hole, removes downthehole slidable mounting and have a screw rod, screw rod and slot looks adaptation, and the nut is installed to the screw rod upper thread, and the nut rotates and installs the one side at the mount pad, and the nut drives the screw rod that corresponds and removes, can cancel the fixed restriction of fixed block behind the screw rod roll-off slot.
Preferably, a rotating groove is formed in the inner wall of one side of the moving groove, one end of the first screw rod is rotatably installed in the rotating groove, and the first screw rod rotates in the rotating groove to stabilize the position of the first screw rod during rotation.
Preferably, the spout has all been seted up on the both sides inner wall of shifting chute, and the equal fixed mounting in both sides of gag lever post has the slider, and slider slidable mounting drives the slider and slides in the spout when the gag lever post removes in the corresponding spout, can stabilize the position when the gag lever post removes.
Preferably, the clamping grooves are formed in the two sides of the mounting seat, the grooves are formed in the two sides of the electrical cabinet, the clamping blocks are arranged in the two grooves in a sliding mode, the clamping blocks are matched with the corresponding clamping grooves, the second thread grooves are formed in one ends, far away from each other, of the two clamping blocks, the second lead screws drive the corresponding clamping blocks to move, the clamping blocks slide out of the corresponding clamping grooves, and fixing limitation of the mounting seat can be eliminated.
Preferably, the inner wall of one side of each groove is provided with a fixing hole, the two fixing holes are internally and rotatably provided with second lead screws, the second lead screws are installed in corresponding second thread grooves in a threaded mode, and the adjusting blocks are fixedly installed at the ends, far away from each other, of the two second lead screws.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the scheme, the air in the electrical cabinet can be subjected to flowing heat dissipation through the heat dissipation fan, the filter plate can block dust, the moisture absorption plate can absorb moisture in the air in the electrical cabinet, the dryness in the electrical cabinet can be kept, the purified cotton and the filter screen can further filter the dust in the air, the two adjusting blocks are rotated, the fixed limit of the mounting seat can be cancelled, the dustproof device can be taken out of the electrical cabinet, the two turntables are rotated, and the turntables drive the corresponding rotating rods to rotate;
(2) in the scheme, the rotating rod drives the corresponding second bevel gear to rotate, the first bevel gear drives the corresponding first screw rod to rotate, the limiting rod slides out of the corresponding limiting groove, so that the fixing of the connecting plate can be cancelled, the filter screen and the purified cotton can be conveniently cleaned and replaced, the two nuts are rotated, the fixing limit of the fixing block can be cancelled after the screw rods slide out of the slots, the pull ring is pulled, the sliding rod drives the fixing block to move, and the filter plate can be taken out for replacement and cleaning;
the mining underground electrical equipment dust-proof device is reasonable in structure and convenient to operate, the dust-proof effect of the mining underground electrical equipment is good, the dust-proof device can play a good dust-proof effect on the electrical equipment, and damage and hidden danger are not easily caused.
Drawings
FIG. 1 is a schematic view of a front view structure according to the present invention;
FIG. 2 is a schematic view of part A of the structure proposed by the present invention;
FIG. 3 is a schematic structural diagram of part B according to the present invention;
FIG. 4 is a schematic structural diagram of part C according to the present invention;
fig. 5 is a schematic structural diagram of part D according to the present invention.
In the figure: 1. an electrical cabinet; 2. mounting a plate; 3. a mounting seat; 4. mounting holes; 5. a heat radiation fan; 6. cushion blocks; 7. mounting a plate; 8. a moisture absorption plate; 9. purifying cotton; 10. filtering with a screen; 11. a limiting groove; 12. a limiting rod; 13. a first lead screw; 14. a first bevel gear; 15. rotating the rod; 16. a second bevel gear; 17. a turntable; 18. a card slot; 19. a groove; 20. a clamping block; 21. a second lead screw; 22. an adjusting block; 23. filtering the plate; 24. fixing grooves; 25. a fixed block; 26. a slide bar; 27. a nut; 28. a screw.
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.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Referring to fig. 1-5, a coal mine underground electrical equipment dust-proof device with good dust-proof effect comprises an electrical cabinet 1, the bottom of the electrical cabinet 1 is open, the bottom of the electrical cabinet 1 is provided with a mounting plate 2, the top of the mounting plate 2 is provided with a connecting hole, a mounting seat 3 is fixedly arranged in the connecting hole, the mounting seat 3 is movably arranged in the electrical cabinet 1, the bottom of the mounting plate 2 is fixedly provided with a plurality of cushion blocks 6, the top of the mounting seat 3 is provided with a mounting hole 4, a cooling fan 5 is fixedly arranged in the mounting hole 4, a connecting plate 7 is movably arranged in the mounting hole 4, the top of the connecting plate 7 is provided with a through hole, the through hole is fixedly connected with a moisture absorption plate 8, purified cotton 9 and a filter screen 10, both sides of the connecting plate 7 are provided with limiting grooves 11, both side inner walls of the mounting hole 4 are provided with moving grooves, both moving, first thread groove has all been seted up to the one end of two gag lever posts 12 keeping away from each other, equal threaded mounting has first lead screw 13 in two first thread grooves, the one end of first lead screw 13 is rotated and is installed on one side inner wall of shifting chute, equal fixed mounting has first bevel gear 14 on two first lead screws 13, the rotation hole has all been seted up on the top inner wall of two shifting chutes, all rotate in two rotation holes and install dwang 15, the equal fixedly connected with second bevel gear 16 in bottom of two dwang 15, second bevel gear 16 meshes with the first bevel gear 14 that corresponds, the equal fixed mounting in top of two dwang 15 has carousel 17, movable mounting has filter plate 23 in mounting hole 4.
In this embodiment, all seted up fixed slot 24 on the both sides inner wall of mounting hole 4, the control groove has all been seted up to the both sides of filter plate 23, and equal slidable mounting has fixed block 25 in two control grooves, and fixed block 25 movable mounting drives fixed block 25 and removes in the fixed slot 24 that corresponds, and fixed block 25 roll-off fixed slot 24 can take out filter plate 23 and change and clear up.
In this embodiment, the inner walls of one sides of the two control grooves are provided with slide holes, slide bars 26 are slidably mounted in the two slide holes, one ends of the slide bars 26 are welded on the corresponding fixing blocks 25, and the two slide bars 26 are fixedly connected with pull rings.
In this embodiment, a slot has been seted up on the fixed block 25, has seted up on one side inner wall of fixed slot 24 and has moved the hole, and it has screw rod 28 to move downthehole slidable mounting, and screw rod 28 and slot looks adaptation, and nut 27 is installed to the last screw thread of screw rod 28, and nut 27 rotates and installs in one side of mount pad 3, and nut 27 drives the screw rod 28 that corresponds and removes, can cancel the fixed restriction of fixed block 25 behind the screw rod 28 roll-off slot.
In this embodiment, a rotating groove is formed in an inner wall of one side of the moving groove, one end of the first lead screw 13 is rotatably installed in the rotating groove, and the first lead screw 13 rotates in the rotating groove, so that the position of the first lead screw 13 during rotation can be stabilized.
In this embodiment, all seted up the spout on the both sides inner wall of shifting chute, the equal fixed mounting in both sides of gag lever post 12 has the slider, and slider slidable mounting drives the slider and slides in the spout when gag lever post 12 removes in the corresponding spout, can stabilize the position when gag lever post 12 removes.
In this embodiment, draw-in groove 18 has all been seted up to the both sides of mount pad 3, and recess 19 has all been seted up to the both sides of regulator cubicle 1, and equal slidable mounting has fixture block 20 in two recess 19, fixture block 20 and the draw-in groove 18 looks adaptation that corresponds, and the second thread groove has all been seted up to the one end that two fixture blocks 20 kept away from each other, and second lead screw 21 drives the fixture block 20 removal that corresponds, and the fixture block 20 roll-off corresponds draw-in groove 18, can cancel the fixed restriction of mount pad 3.
In this embodiment, the inner walls of the two grooves 19 on one side are all provided with fixing holes, the two fixing holes are all rotatably provided with second screw rods 21, the second screw rods 21 are threadedly arranged in corresponding second thread grooves, and the adjusting blocks 22 are fixedly arranged at the ends of the two second screw rods 21 far away from each other.
In this embodiment, the worker checks each component, and can use the component after ensuring no error, the air in the electrical cabinet 1 can flow and dissipate heat through the cooling fan 5, the filter plate 23 can block dust, the moisture absorption plate 8 can absorb moisture in the air in the electrical cabinet 1, and can maintain dryness in the electrical cabinet 1, the purified cotton 9 and the filter screen 10 can further filter dust in the air, two adjusting blocks 22 are rotated, the adjusting blocks 22 drive the corresponding second lead screws 21 to rotate, the second lead screws 21 drive the corresponding clamping blocks 20 to move, the clamping blocks 20 slide out of the corresponding clamping grooves 18, so that the fixed limit of the mounting seat 3 can be cancelled, the dustproof device can be taken out of the electrical cabinet 1, two rotating discs 17 are rotated, the rotating discs 17 drive the corresponding rotating bars 15 to rotate, the rotating bars 15 drive the corresponding second bevel gears 16 to rotate, the second bevel gears 16 drive the corresponding first bevel gears 14 to rotate, the mining underground electric equipment comprises a first bevel gear 14, a first lead screw 13, a corresponding limiting rod 12, a limiting groove 11, a connecting plate 7 and a connecting rod 26, wherein the first lead screw 13 drives the corresponding limiting rod 12 to move, the limiting rod 12 slides out of the corresponding limiting groove 11, fixing of the connecting plate 7 can be cancelled, the connecting plate 7 can be taken out of an installation hole 4, a filter screen 10 and purified cotton 9 can be cleaned and replaced conveniently, two nuts 27 are rotated, the nuts 27 drive corresponding screw rods 28 to move, fixing limitation of fixing blocks 25 can be cancelled after the screw rods 28 slide out of insertion grooves, pull rings are pulled, the pull rings drive the slide rods 26 to move, the slide rods 26 drive the fixing blocks 25 to move, the fixing blocks 25 slide out of fixing grooves 24, and filter plates 23 can be taken out to be replaced and cleaned.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Claims (8)
1. A coal mine underground electrical equipment dustproof device with a good dustproof effect comprises an electrical cabinet (1) and is characterized in that the bottom of the electrical cabinet (1) is provided with an opening, a mounting plate (2) is arranged at the bottom of the electrical cabinet (1), a connecting hole is formed in the top of the mounting plate (2), a mounting seat (3) is fixedly mounted in the connecting hole, the mounting seat (3) is movably mounted in the electrical cabinet (1), a plurality of cushion blocks (6) are fixedly mounted at the bottom of the mounting plate (2), a mounting hole (4) is formed in the top of the mounting seat (3), a cooling fan (5) is fixedly mounted in the mounting hole (4), a connecting plate (7) is movably mounted in the mounting hole (4), a through hole is formed in the top of the connecting plate (7), a moisture absorption plate (8), purified cotton (9) and a filter screen (10) are fixedly connected in the through hole, limiting grooves (11), the inner walls of two sides of the mounting hole (4) are respectively provided with a moving groove, the two moving grooves are respectively provided with a limiting rod (12) in a sliding manner, the limiting rods (12) are movably mounted in the corresponding limiting grooves (11), the ends of the two limiting rods (12) far away from each other are respectively provided with a first thread groove, the two first thread grooves are respectively internally provided with a first screw rod (13) in a threaded manner, one end of each first screw rod (13) is rotatably mounted on the inner wall of one side of each moving groove, the two first screw rods (13) are respectively and fixedly mounted with a first bevel gear (14), the inner walls of the tops of the two moving grooves are respectively provided with a rotating hole, the two rotating holes are respectively and rotatably mounted with a rotating rod (15), the bottoms of the two rotating rods (15) are respectively and fixedly connected with a second bevel gear (16), the second bevel gears (16) are meshed with the corresponding first bevel gears (14), and the tops, a filter plate (23) is movably arranged in the mounting hole (4).
2. The coal mine underground electrical equipment dust prevention device with the good dust prevention effect according to claim 1, characterized in that fixing grooves (24) are formed in inner walls of two sides of the installation hole (4), control grooves are formed in two sides of the filter plate (23), fixing blocks (25) are installed in the two control grooves in a sliding mode, and the fixing blocks (25) are installed in the corresponding fixing grooves (24) in a sliding mode.
3. The coal mine underground electrical equipment dust prevention device with the good dust prevention effect according to claim 2, characterized in that sliding holes are respectively formed in the inner wall of one side of each of the two control grooves, sliding rods (26) are respectively slidably mounted in the two sliding holes, one end of each sliding rod (26) is welded on the corresponding fixed block (25), and pull rings are respectively and fixedly connected to the two sliding rods (26).
4. The coal mine underground electrical equipment dust prevention device with the good dust prevention effect according to claim 2, characterized in that a slot is formed in the fixing block (25), a moving hole is formed in the inner wall of one side of the fixing groove (24), a screw rod (28) is slidably mounted in the moving hole, the screw rod (28) is matched with the slot, a nut (27) is mounted on the screw rod (28) in a threaded manner, and the nut (27) is rotatably mounted on one side of the mounting seat (3).
5. The dust-proof device for the underground coal mine electrical equipment with the good dust-proof effect according to claim 1, wherein a rotating groove is formed in the inner wall of one side of the moving groove, and one end of the first screw rod (13) is rotatably installed in the rotating groove.
6. The coal mine underground electrical equipment dust-proof device with the good dust-proof effect according to claim 1, characterized in that sliding grooves are respectively formed on the inner walls of the two sides of the moving groove, sliding blocks are respectively fixedly installed on the two sides of the limiting rod (12), and the sliding blocks are slidably installed in the corresponding sliding grooves.
7. The coal mine underground electrical equipment dust prevention device with the good dust prevention effect according to claim 1, wherein clamping grooves (18) are formed in two sides of the mounting seat (3), grooves (19) are formed in two sides of the electrical cabinet (1), clamping blocks (20) are slidably mounted in the two grooves (19), the clamping blocks (20) are matched with the corresponding clamping grooves (18), and second threaded grooves are formed in the ends, away from each other, of the two clamping blocks (20).
8. The coal mine underground electrical equipment dust prevention device with the good dust prevention effect according to claim 7, characterized in that fixing holes are respectively formed in the inner wall of one side of each of the two grooves (19), second screw rods (21) are rotatably mounted in the two fixing holes, the second screw rods (21) are threadedly mounted in the corresponding second thread grooves, and adjusting blocks (22) are fixedly mounted at the ends, away from each other, of the two second screw rods (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331673.0A CN111511135B (en) | 2020-04-24 | 2020-04-24 | Coal mine underground electrical equipment dustproof device with good dustproof effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331673.0A CN111511135B (en) | 2020-04-24 | 2020-04-24 | Coal mine underground electrical equipment dustproof device with good dustproof effect |
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| CN111511135A CN111511135A (en) | 2020-08-07 |
| CN111511135B true CN111511135B (en) | 2021-04-27 |
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| CN202010331673.0A Expired - Fee Related CN111511135B (en) | 2020-04-24 | 2020-04-24 | Coal mine underground electrical equipment dustproof device with good dustproof effect |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111932971B (en) * | 2020-08-19 | 2022-03-08 | 山东交通职业学院 | Simulation training device for ship power station |
| CN112834702A (en) * | 2021-01-04 | 2021-05-25 | 山东安益矿用设备股份有限公司 | Coal mine safety monitoring system |
| CN112806749B (en) * | 2021-01-18 | 2022-08-26 | 山东现代物流科技产业研究院有限公司 | Dampproofing intelligent commodity circulation cabinet removes dust |
| CN114710914B (en) * | 2022-03-16 | 2024-03-12 | 何茂炜 | Colliery electrical equipment dust keeper in pit with good dustproof effect |
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| CN208370115U (en) * | 2018-07-19 | 2019-01-11 | 国家电网公司 | A kind of electric power dispatch management device |
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| CN208172672U (en) * | 2018-01-26 | 2018-11-30 | 东莞市荣烨五金制品有限公司 | Dust protected cabinet |
| CN108493811A (en) * | 2018-05-02 | 2018-09-04 | 丁路勇 | A kind of high efficiency heat radiation power distribution cabinet |
| CN208722107U (en) * | 2018-08-29 | 2019-04-09 | 中国十七冶集团有限公司 | A kind of information security processor |
| CN209314187U (en) * | 2018-09-12 | 2019-08-27 | 华恒自动化设备(天津)有限公司 | A kind of fin machine uncoiler PID control device |
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| CN111511135A (en) | 2020-08-07 |
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