CN107396583B - One kind being used for underground coal mine hardware node dustproof and anti-explosion device - Google Patents
One kind being used for underground coal mine hardware node dustproof and anti-explosion device Download PDFInfo
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- CN107396583B CN107396583B CN201710104494.1A CN201710104494A CN107396583B CN 107396583 B CN107396583 B CN 107396583B CN 201710104494 A CN201710104494 A CN 201710104494A CN 107396583 B CN107396583 B CN 107396583B
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- explosion
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- cover
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Classifications
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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
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- 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
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Vibration Prevention Devices (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses one kind to be used for underground coal mine hardware node dustproof and anti-explosion device, including explosion-proof tank, top cover is overlapped at the top of the explosion-proof tank, the two sides of the cap base offer through slot, sliding slot is offered at the top of the through slot inner wall, sliding block is slidably connected in the sliding slot, and the opposite side of two sliding blocks passes through the first spring and is flexibly connected respectively with the inner wall of two sliding slots, the bottom of the sliding block is fixedly connected with slide plate, the bottom end of the slide plate is run through the vertical slot opened up at the top of explosion-proof tank and is extended to inside it, the inner wall of the vertical slot offers card slot.The present invention passes through the improvement to explosion-proof tank and top cover; cooperate the use of fixture block and card slot; top cover can be made to seal explosion-proof tank; so as to protect the fulcrum inside explosion-proof tank; the top plate of anti-explosion cover is overlapped on the bottom of explosion-proof pad; the stability of anti-explosion cover can be increased, cooperate the use of second spring and third spring, anti-explosion cover can be made to obtain certain damping, buffering ability.
Description
Technical field
The present invention relates to explosion-proof electric apparatus technical fields, specially a kind of to fill for underground coal mine hardware node dustproof and anti-explosion
It sets.
Background technique
The country of the rich coal in one, China, oil-poor and few gas, coal is the basis of Chinese national economy and social development.One
Coal accounts for 70% or more specific gravity in secondary energy consumption, and this consumption structure will not change substantially in future 50 years.
As the in the world first big coal production and country of consumption, coal in China yield accounts for the one third in the world or so, so
And million tons of accident death rates are 4 times of world average level, 100 times of the U.S..Not according to national Coal Mine Safety Supervision Bureau
Statistics completely, into nearly 10 years after 21 century, the etesian coal mining accident in China reached thousands of.Mine disaster takes place frequently
As the bottleneck problem for restricting China coal industry development.Moreover, directly underground work personnel and its family are caused
Injury, hides some dangers for for social stability；Weight huge economic loss is brought to enterprise and society；Influence China's environmental quality and country
Image.
In recent years, with the raising of China's scientific and technological level, the issuing and implementation of policy, generally some are good for safety of coal mines situation
Turn.2014, the whole nation occurred coal mine gas explosion 47 and rises, and fell 24.2% on a year-on-year basis, dead 266 people falls 27.5% on a year-on-year basis.Coal
Though the tenth second meeting of mine gas preventing and control portion indicate Safety of Coal Mine Production took a favorable turn in recent years, major gas accident still when have
Occur, safety of coal mines allows of no optimist.Meeting also explicitly indicate that " 2015, each relevant departments will make great efforts to carry out safe prevention work,
Contain, reduce extra heavy big and major gas accident, strive for 2015 because the number of coal mine gas explosion death falls 10% on a year-on-year basis,
Increase gas utilization amount simultaneously."
In China, the explosion-proof of underground coal mine electrical equipment has to comply with GB3836.2-2000 standard.Explosion-proof electric apparatus is divided into two
Class: underground mine use explosion-proof electric apparatus (I class) and factory class explosion-proof electric apparatus (II class).II class is used for other explosive environments in addition to mine
Factory.The Explosion-proof Design of obvious underground coal mine has to comply with highest level, including flame-proof type (mark d) design and essential safe type
(mark i) design.
Existing explosion-proof electric equipment usually directlys adopt sealing and high-intensitive material protects fulcrum, although
Dust-proof and explosion-proof effect can be played to fulcrum to a certain extent, if but explode caused by impact force without certain
Buffer capacity partial offset is carried out to it, it is difficult to the safety for guaranteeing underground coal mine, the phenomenon that be easy to causeing landslide.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides one kind to be used for underground coal mine hardware node dustproof and anti-explosion device,
Have the advantages that explosion-proof and dust-proof, solves impact force the asking of being difficult to offset that existing explosion-proof effect is unobvious and explosion generates
Topic.
(2) technical solution
To realize above-mentioned explosion-proof and dust-proof purpose, the invention provides the following technical scheme: a kind of hard for underground coal mine
Part node dustproof and anti-explosion device, including explosion-proof tank are overlapped with top cover at the top of the explosion-proof tank, and the two sides of the cap base are equal
Through slot is offered, sliding slot is offered at the top of the through slot inner wall, sliding block, and two sliding block phases are slidably connected in the sliding slot
Pair side pass through the first spring and be flexibly connected respectively with the inner wall of two sliding slots, the bottom of the sliding block is fixedly connected with cunning
Plate, the bottom end of the slide plate are run through the vertical slot opened up at the top of explosion-proof tank and are extended to inside it, and the inner wall of the vertical slot offers
Card slot, and fixture block is connected in card slot, and the side of fixture block is fixedly connected with the bottom of slide plate side, and two slide plates are opposite
Side and being located in through slot is fixedly connected with one end of two pull rods respectively, the other end of the pull rod through through slot and with outside it
The side of the pulling plate in portion is fixedly connected, the bottom of the top cover and be located at explosion-proof tank inside be fixedly connected with rubber pad, it is described
The bottom of rubber pad is fixedly connected with explosion-proof pad, and the two sides in the explosion-proof rebasing portion have been respectively fixedly connected with firedamp sensor and two
Carbon sensor is aoxidized, and the output end of firedamp sensor and carbon dioxide sensor is electrically connected with the input terminal of processor, institute
State the upper surface that processor is fixedly connected on top cover, the inner wall of explosion-proof tank bottom opens up fluted, and is provided in groove
Node explosion-protection equipment.
The node explosion-protection equipment includes bottom plate, and the bottom plate is socketed in groove, and the bottom of the bottom plate is fixedly connected
There is a briquetting, the bottom of the briquetting is flexibly connected by telescopic rod with the bottom of groove inner wall, and the is socketed on the telescopic rod
Two springs, the both ends of the second spring are fixedly connected with the bottom of the bottom of briquetting and groove inner wall respectively, the briquetting
Two sides are fixedly connected to pressing plate, the groove inner wall bottom and two sides for being located at telescopic rod are fixedly connected to shock-absorbing sleeve, institute
It states and is socketed with piston in shock-absorbing sleeve, the bottom of the piston is flexibly connected by third spring with the inner wall of shock-absorbing sleeve bottom, institute
The top for stating piston is fixedly connected with the bottom end of compression bar, the top of the compression bar through shock-absorbing sleeve top and with the pressure above it
The bottom of plate is fixedly connected, and the upper surface of the bottom plate is overlapped with anti-explosion cover, and fulcrum is socketed in anti-explosion cover, and the bottom of fulcrum
Portion is overlapped on the upper surface of bottom plate
Preferably, three the 4th springs are socketed in the rubber pad, and three the 4th springs are equidistant respectively is socketed in
In rubber pad.
Preferably, the bottom of explosion-proof pad is overlapped at the top of the anti-explosion cover, and the bottom of anti-explosion cover is located at table on bottom plate
The middle part in face.
Preferably, the bottom of the groove inner wall and be located at bottom plate two sides be connected with inclined plate, and two inclined plates
The top of opposite side is overlapped on the two sides on anti-explosion cover surface respectively, and the inclined plate side opposite with anti-explosion cover passes through the 5th bullet
Spring is flexibly connected with the bottom of groove inner wall.
Preferably, the total length of the fixture block and slide plate is equal with the total length of vertical slot and card slot, and the length of fixture block and
Height is equal with the length of card slot and height respectively.
Preferably, the top of the briquetting is fixedly connected with the middle position of bottom base plate, and the area at the top of briquetting is
The half of bottom base plate area.
Preferably, the diameter of the bottom plate and the diameter of groove are equal, and the exposed length outside groove of bottom plate is bottom
4/5ths of plate height.
Preferably, the top of the telescopic rod is fixedly connected with the middle position of briquetting bottom, and the bottom end of telescopic rod with
The middle position of groove inner wall bottom is fixedly connected.
Preferably, the equal length of the length of the top cover and explosion-proof tank, and inside the length of rubber pad and explosion-proof tank
Equal length.
(3) beneficial effect
Compared with prior art, the present invention provides one kind to be used for underground coal mine hardware node dustproof and anti-explosion device, has
Below the utility model has the advantages that
1, this is used for underground coal mine hardware node dustproof and anti-explosion device, passes through the improvement to explosion-proof tank and top cover, cooperation card
The use of block and card slot can make top cover seal explosion-proof tank, so as to protect the fulcrum inside explosion-proof tank, compound rubber pad
With the use of explosion-proof pad, the protective capability to fulcrum can be further increased.
2, this is used for underground coal mine hardware node dustproof and anti-explosion device, by the improvement to node explosion-protection equipment, when explosion-proof
When cover covers fulcrum, and the top plate of anti-explosion cover is overlapped on the bottom of explosion-proof pad, cooperates the use of inclined plate, can increase explosion-proof
The stability of cover instantly when press, cooperates the use of second spring and third spring, and anti-explosion cover thereon can be made to obtain one
Fixed damping, buffering ability.
Detailed description of the invention
Fig. 1 is the positive cross-sectional view of structure of the invention；
Fig. 2 is the enlarged drawing of structure at A in Fig. 1 of the present invention；
Fig. 3 is the enlarged drawing of structure at B in Fig. 1 of the present invention.
In figure: 1 explosion-proof tank, 2 top covers, 3 through slots, 4 sliding slots, 5 sliding blocks, 6 first springs, 7 slide plates, 8 vertical slots, 9 card slots, 10 cards
Block, 11 rubber pads, 12 explosion-proof pads, 13 firedamp sensors, 14 carbon dioxide sensors, 15 processors, 16 grooves, 17 nodes are explosion-proof
Device, 1701 bottom plates, 1702 briquettings, 1703 telescopic rods, 1704 second springs, 1705 pressing plates, 1706 shock-absorbing sleeves, 1707 pistons,
1708 third springs, 1709 compression bars, 1710 anti-explosion covers, 1711 fulcrums, 18 the 4th springs, 19 pull rods, 20 pulling plates, 21 inclined plates, 22
5th spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, one kind being used for underground coal mine hardware node dustproof and anti-explosion device, including explosion-proof tank 1, explosion-proof tank 1
Top be overlapped with top cover 2, the two sides of 2 bottom of top cover offer through slot 3, and sliding slot 4 is offered at the top of 3 inner wall of through slot, sliding
Slidably connect sliding block 5 in slot 4, and the opposite side of two sliding blocks 5 passes through the first spring 6 respectively and in two sliding slots 4
Wall is flexibly connected, and the bottom of sliding block 5 is fixedly connected with slide plate 7, the vertical slot 8 that the bottom end of slide plate 7 opens up at the top of explosion-proof tank 1 and
It extends to inside it, the inner wall of vertical slot 8 offers card slot 9, and fixture block 10 is connected in card slot 9, and the side of fixture block 10 and cunning
The bottom of 7 side of plate is fixedly connected, and the total length of fixture block 10 and slide plate 7 is equal with the total length of vertical slot 8 and card slot 9, and fixture block
10 length and height are equal with the length of card slot 9 and height respectively, and the opposite side of two slide plates 7 and are located in through slot 3
Be fixedly connected respectively with one end of two pull rods 19, the other end of pull rod 19 through through slot 3 and the pulling plate 20 external with it one
Side is fixedly connected, and when pulling pull rod 19 by pulling plate 20, cooperates the use of sliding block 5 and sliding slot 4, fixture block 10 can be made to be detached from card
Slot 9 under the action of the first 6 screen resilience of spring, can be such that fixture block 10 is caught in card slot 9 again after unclamping pulling plate 20, thus
Can facilitate and connect top cover 2 with explosion-proof tank 1, the bottom of top cover 2 and be located at explosion-proof tank 1 inside be fixedly connected with rubber pad
11, three the 4th springs 18 are socketed in rubber pad 11, and three the 4th springs 18 are equidistant respectively is socketed in rubber pad 11,
The length of top cover 2 and the equal length of explosion-proof tank 1, and the equal length inside the length of rubber pad 11 and explosion-proof tank 1, rubber pad
11 bottom is fixedly connected with explosion-proof pad 12, by the way that three the 4th springs 18 are arranged in rubber pad 11, can increase rubber pad
11 damping effect cooperates the use of fixture block 10 and card slot 9 by the improvement to explosion-proof tank 1 and top cover 2, can make top cover 2 will
Explosion-proof tank 1 seals, so as to protect the fulcrum 1711 inside explosion-proof tank 1, the use of compound rubber pad 11 and explosion-proof pad 12, energy
The protective capability to fulcrum 1711 is enough further increased, the two sides of 12 bottoms of explosion-proof pad have been respectively fixedly connected with firedamp sensor 13
Working principle with carbon dioxide sensor 14, the firedamp sensor 13 is: the two of detecting element and compensating element, composition electric bridge
A arm, under original state, bridge balance, output voltage 0V, when ambient enviroment is there are when imflammable gas, detecting element resistance
Value increases, electric bridge not rebalancing, increases output voltage with concentration and also increases, and the advantage of the sensor is to have steady in a long-term
Property, anti-H2S poisoning and the advantages that fast response time, carbon dioxide sensor 14 has good carbon dioxide sensitivity, detection
Range 350ppm between 10000ppm, and the output end of firedamp sensor 13 and carbon dioxide sensor 14 with processor 15
Input terminal electrical connection, processor 15 is fixedly connected on the upper surface of top cover 2, and processor 15 can be directed to 13 He of firedamp sensor
The information collected of carbon dioxide sensor 14 analyzes the device inner case, to effectively prevent explosion from sending out in time
Raw, the inner wall of 1 bottom of explosion-proof tank opens up fluted 16, and node explosion-protection equipment 17 is provided in groove 16.
Node explosion-protection equipment 17 includes bottom plate 1701, and bottom plate 1701 is socketed in groove 16, the diameter of bottom plate 1701 with it is recessed
The diameter of slot 16 is equal, and the exposed length outside groove 16 of bottom plate 1701 is 4/5ths of 1701 height of bottom plate, bottom plate
1701 bottom is fixedly connected with briquetting 1702, and the top of briquetting 1702 is fixedly connected with the middle position of 1701 bottom of bottom plate,
And the area at 1702 top of briquetting is the half of 1701 bottom area of bottom plate, the bottom of briquetting 1702 passes through telescopic rod 1703
It being flexibly connected with the bottom of 16 inner wall of groove, the top of telescopic rod 1703 is fixedly connected with the middle position of 1702 bottom of briquetting,
And the bottom end of telescopic rod 1703 is fixedly connected with the middle position of 16 inner wall bottom of groove, and the second bullet is socketed on telescopic rod 1703
Spring 1704, the both ends of second spring 1704 are fixedly connected with the bottom of 16 inner wall of the bottom of briquetting 1702 and groove respectively, bottom plate
1701 can move up and down in groove 16, push telescopic rod 1703 at this point, being able to drive briquetting 1702 and stablizing, cooperation the
The use of two springs 1704 can be such that the stabilization in groove 16 of bottom plate 1701 moves up and down, and be able to carry out stable damping, press
The two sides of block 1702 are fixedly connected to pressing plate 1705, the fixed company in 16 inner wall bottom of groove and the two sides for being located at telescopic rod 1703
It is connected to shock-absorbing sleeve 1706, piston 1707 is socketed in shock-absorbing sleeve 1706, the bottom of piston 1707 passes through third spring 1708 and subtracts
The inner wall of 1706 bottoms of shake set is flexibly connected, and the top of piston 1707 is fixedly connected with the bottom end of compression bar 1709, compression bar 1709
Top is run through the top of shock-absorbing sleeve 1706 and is fixedly connected with the bottom of the pressing plate 1705 above it, by being provided with two dampings
Set 1706, can further increase stability of the bottom plate 1701 in groove 16, prevent it from excessively serious shaking phenomenon occur,
The upper surface of bottom plate 1701 is overlapped with anti-explosion cover 1710, and the top of anti-explosion cover 1710 is overlapped on the bottom of explosion-proof pad 12, and explosion-proof
The bottom of cover 1710 is located at the middle part of 1701 upper surface of bottom plate, the bottom of 16 inner wall of the groove and two sides for being located at bottom plate 1701 are lived
It is dynamic to be connected with inclined plate 21, and the top of two 21 opposite sides of inclined plate is overlapped on the two sides on 1710 surface of anti-explosion cover, inclined plate respectively
21 sides opposite with anti-explosion cover 1710 are flexibly connected by the 5th spring 22 with the bottom of 16 inner wall of groove, and anti-explosion cover 1710
It is inside socketed with fulcrum 1711, and the bottom of fulcrum 1711 is overlapped on the upper surface of bottom plate 1701, by node explosion-protection equipment 17
Improvement, when anti-explosion cover 1710 covers fulcrum 1711, and the top plate of anti-explosion cover 1710 is overlapped on the bottom of explosion-proof pad 12,
The use for cooperating inclined plate 21, can increase the stability of anti-explosion cover 1710, instantly when press 1701, cooperate second spring 1704
With the use of third spring 1708, anti-explosion cover 1710 thereon can be made to obtain certain damping, buffering ability.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion this is used for underground coal mine hardware node dustproof and anti-explosion device, pass through changing to explosion-proof tank 1 and top cover 2
Into the use of cooperation fixture block 10 and card slot 9 can make top cover 2 seal explosion-proof tank 1, so as to protect inside explosion-proof tank 1
Fulcrum 1711, the use of compound rubber pad 11 and explosion-proof pad 12 can further increase the protective capability to fulcrum 1711, pass through
Improvement to node explosion-protection equipment 17, when anti-explosion cover 1710 covers fulcrum 1711, and the top plate overlap joint of anti-explosion cover 1710
In the bottom of explosion-proof pad 12, cooperates the use of inclined plate 21, the stability of anti-explosion cover 1710 can be increased, instantly press 1701
When, cooperate the use of second spring 1704 and third spring 1708, anti-explosion cover 1710 thereon can be made to obtain certain damping
Buffer capacity.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. one kind is used for underground coal mine hardware node dustproof and anti-explosion device, including explosion-proof tank (1), it is characterised in that: described explosion-proof
It is overlapped at the top of case (1) top cover (2), the two sides of top cover (2) bottom offer through slot (3), through slot (3) inner wall
Top offer sliding slot (4), slidably connects sliding block (5) in the sliding slot (4), and two opposite sides of sliding block (5) are equal
It is flexibly connected respectively with the inner wall of two sliding slots (4) by the first spring (6), the bottom of the sliding block (5) is fixedly connected with cunning
Plate (7), the bottom end of the slide plate (7) are run through the vertical slot (8) opened up at the top of explosion-proof tank (1) and are extended to inside it, the vertical slot
(8) inner wall offers card slot (9), and is connected with fixture block (10) in card slot (9), and the side of fixture block (10) and slide plate (7) one
The bottom of side is fixedly connected, and the opposite side of two slide plates (7) and be located in through slot (3) respectively with two pull rods (19) one
End is fixedly connected, and the other end of the pull rod (19) is fixedly connected through through slot (3) and with the side of its external pulling plate (20),
The bottom of the top cover (2) and be located at explosion-proof tank (1) inside be fixedly connected with rubber pad (11), the bottom of the rubber pad (11)
Portion is fixedly connected with explosion-proof pad (12), the two sides of described explosion-proof pad (12) bottom be respectively fixedly connected with firedamp sensor (13) and
Carbon dioxide sensor (14), and the output end of firedamp sensor (13) and carbon dioxide sensor (14) with processor (15)
Input terminal electrical connection, the processor (15) is fixedly connected on the upper surface of top cover (2), explosion-proof tank (1) bottom it is interior
Wall opens up fluted (16), and is provided with node explosion-protection equipment (17) in groove (16)；
The node explosion-protection equipment (17) includes bottom plate (1701), and the bottom plate (1701) is socketed in groove (16), the bottom
The bottom of plate (1701) is fixedly connected with briquetting (1702), and the bottom of the briquetting (1702) passes through telescopic rod (1703) and groove
(16) bottom of inner wall is flexibly connected, and is socketed with second spring (1704), the second spring on the telescopic rod (1703)
(1704) both ends are fixedly connected with the bottom of the bottom of briquetting (1702) and groove (16) inner wall respectively, the briquetting (1702)
Two sides be fixedly connected to pressing plate (1705), groove (16) the inner wall bottom and be located at telescopic rod (1703) two sides it is solid
Surely it is connected with shock-absorbing sleeve (1706), is socketed with piston (1707) in the shock-absorbing sleeve (1706), the bottom of the piston (1707)
It is flexibly connected by third spring (1708) with the inner wall of shock-absorbing sleeve (1706) bottom, the top of the piston (1707) and compression bar
(1709) bottom end is fixedly connected, the top of the compression bar (1709) through shock-absorbing sleeve (1706) top and with the pressure above it
The bottom of plate (1705) is fixedly connected, and the upper surface of the bottom plate (1701) is overlapped with anti-explosion cover (1710), and anti-explosion cover
(1710) it is socketed with fulcrum (1711) in, and the bottom of fulcrum (1711) is overlapped on the upper surface of bottom plate (1701)；The rubber
Three the 4th springs (18) are socketed in pad (11), and three the 4th springs (18) are equidistant respectively is socketed in rubber pad (11)
It is interior；The bottom of explosion-proof pad (12) is overlapped at the top of the anti-explosion cover (1710), and the bottom of anti-explosion cover (1710) is located at bottom plate
(1701) middle part of upper surface；The bottom of groove (16) inner wall and be located at bottom plate (1701) two sides be connected with tiltedly
Plate (21), and the top of two inclined plate (21) opposite sides is overlapped on the two sides on anti-explosion cover (1710) surface, the inclined plate respectively
(21) side opposite with anti-explosion cover (1710) is flexibly connected by the 5th spring (22) with the bottom of groove (16) inner wall；It is described
The length of top cover (2) and the equal length of explosion-proof tank (1), and the length phase that the length of rubber pad (11) is internal with explosion-proof tank (1)
Deng.
2. according to claim 1 a kind of for underground coal mine hardware node dustproof and anti-explosion device, it is characterised in that: described
The total length of fixture block (10) and slide plate (7) is equal with the total length of vertical slot (8) and card slot (9), and the length and height of fixture block (10)
It spends equal with the length of card slot (9) and height respectively.
3. according to claim 1 a kind of for underground coal mine hardware node dustproof and anti-explosion device, it is characterised in that: described
The top of briquetting (1702) is fixedly connected with the middle position of bottom plate (1701) bottom, and the area at the top of briquetting (1702) is bottom
The half of plate (1701) bottom area.
4. according to claim 1 a kind of for underground coal mine hardware node dustproof and anti-explosion device, it is characterised in that: described
The diameter of bottom plate (1701) is equal with the diameter of groove (16), and the exposed length external in groove (16) of bottom plate (1701) is bottom
4/5ths of plate (1701) height.
5. according to claim 1 a kind of for underground coal mine hardware node dustproof and anti-explosion device, it is characterised in that: described
The top of telescopic rod (1703) is fixedly connected with the middle position of briquetting (1702) bottom, and the bottom end of telescopic rod (1703) with it is recessed
The middle position of slot (16) inner wall bottom is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104494.1A CN107396583B (en) | 2017-02-24 | 2017-02-24 | One kind being used for underground coal mine hardware node dustproof and anti-explosion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104494.1A CN107396583B (en) | 2017-02-24 | 2017-02-24 | One kind being used for underground coal mine hardware node dustproof and anti-explosion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107396583A CN107396583A (en) | 2017-11-24 |
| CN107396583B true CN107396583B (en) | 2019-07-26 |
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|---|---|---|---|
| CN201710104494.1A Expired - Fee Related CN107396583B (en) | 2017-02-24 | 2017-02-24 | One kind being used for underground coal mine hardware node dustproof and anti-explosion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108872679A (en) * | 2018-07-12 | 2018-11-23 | 安徽诚意电气科技有限公司 | A kind of Intelligent voltage sensing device |
| CN109142931B (en) * | 2018-09-03 | 2021-11-23 | 苏州华兴源创科技股份有限公司 | System and method for testing piezoelectric ceramics |
| CN114144007B (en) * | 2021-12-29 | 2024-02-20 | 永城煤电控股集团有限公司 | Explosion-proof protection device for coal mine electromechanical device |
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| CN203747624U (en) * | 2014-01-03 | 2014-07-30 | 武汉合康防爆电气有限公司 | Mining frequency converter anti-explosion device |
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| CN105845437A (en) * | 2016-05-19 | 2016-08-10 | 郑州航空工业管理学院 | Metallized film capacitor for track circuit |
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2017
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| CN203747624U (en) * | 2014-01-03 | 2014-07-30 | 武汉合康防爆电气有限公司 | Mining frequency converter anti-explosion device |
| CN205005387U (en) * | 2015-10-19 | 2016-01-27 | 唐山开诚电控设备集团有限公司 | Mechanism of opening door of high -power explosion -proof control panel box of mining high pressure |
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