CN204474154U - A kind of explosion-proof electric block - Google Patents
A kind of explosion-proof electric block Download PDFInfo
- Publication number
- CN204474154U CN204474154U CN201520084040.9U CN201520084040U CN204474154U CN 204474154 U CN204474154 U CN 204474154U CN 201520084040 U CN201520084040 U CN 201520084040U CN 204474154 U CN204474154 U CN 204474154U
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- electric cabinet
- venting
- explosion
- piston
- proof
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Abstract
The utility model provides a kind of explosion-proof electric block, stay bearing plate bottom is provided with electric cabinet, electric cabinet is double-deck flameproof cabinet, electric cabinet bottom is provided with venting along electric cabinet four angles, venting is communicated with formation cylindrical slideway with electric cabinet inside, base plate is provided with bottom venting, plate upper surface is provided with spring, the other end of spring is provided with piston, the cylindrical slideway of piston and venting forms hermetically-sealed construction, slideway bottom is provided with through hole, the occasion of the explosive mixture that may there is imflammable gas or be formed with air uses, by the technological improvement to electric cabinet, add four ventings, by the Design of Piston Structure of venting, actv. sealing can carried out at ordinary times to electric cabinet, when explosion time among a small circle occurs in electric cabinet inside, by venting, internal energy is discharged, piston acting is promoted while releasing energy, reduce the interior energy of gas, thus the gas temperature of release is reduced.
Description
Technical field
The utility model relates to operation, transport class, the lifting with steel cable of direct motor drive, traction weight-lifting equipment, espespecially a kind of explosion-proof electric block.
Background technology
Explosion-proof electric block is according to national standard " the explosion-proof steel-wire rope type electric block of GB10222-2001 ", " GB12476, 1-2000 explosive dust atmosphere electric apparatus for explosive atmospheres dust explosion protection electric equipment ", GB3836, the regulation of 1-2000 " explosive atmosphere electric apparatus for explosive atmospheres-flameproof equipment " d " ", making explosive-proof grade is DIIBT4, the explosion-proof steel-wire rope type electric block of DIICT4 and DIPA20TAT4, be applicable to the hazardous area having explosive dust mixture product in hazardous area that factory fiery gas compound exists and factory, its main body can be suspended on i-beam track and make straight line or curve motion.
Explosion-proof electric block is by metal construction, parts, safety guard and electrical equipment composition, in electrical equipment, main employing flame-proof type explosion-proof parts has, the explosion-proof principle of flameproof equipment utilizes flameproof enclosure electric spark and dangerous temperature to be isolated with surrounding explosion risk environment exactly, stop flameproof enclosure implode resultant to be propagated outside flameproof enclosure to reach and set off an explosion, flameproof enclosure will stop the explosive atmosphere propagation towards periphery of shell implode resultant, three conditions must be met, flameproof enclosure must possess certain intensity, internal explosion pressure can be born and do not damage, simultaneously flameproof enclosure implode thing can not externally spatial, the necessary blow-out of explosive resultant, temperature is reduced to below ignition temperature, even if pass in surrounding medium, also comb. medium will not be caused to explode, flameproof enclosure maximum surface temperature in normal operation can not exceed the ignition temperature of explosive mixture, as can be seen here, flameproof enclosure is the main body of flame-proof type product.
Summary of the invention
A kind of explosion-proof electric block is provided, this device structure reasonable standard for the problems referred to above the utility model, practical and convenient, by the appropriate design to flameproof enclosure, good explosion-proof effect can be reached.
For solving the problems of the technologies described above, the utility model provides a kind of explosion-proof electric block, comprise rail, circuit fire stop, lifting electrical motor, steel rope, pulley gear, flame-proof type button, suspension hook, spring, piston, slideway, base plate, it is characterized in that rail and flower wheel, driving wheel is formed and coordinates, flower wheel, driving wheel is arranged on a stay bearing plate left side, right both sides, driving wheel and service meter are formed by gear and coordinate, stay bearing plate lower left side is provided with circuit fire stop, stay bearing plate lower central position is vertically installed with plant-grid connection mouth, stay bearing plate bottom is provided with electric cabinet, electric cabinet is double-deck flameproof cabinet, electric cabinet bottom is provided with venting along electric cabinet four angles, venting is communicated with formation cylindrical slideway with electric cabinet inside, base plate is provided with bottom venting, plate upper surface is provided with spring, the other end of spring is provided with piston, the cylindrical slideway of piston and venting forms hermetically-sealed construction, slideway bottom is provided with through hole, flame-proof type button is connected with on the left of electric cabinet, electric cabinet rear surface is provided with crane and hoist type motor, crane and hoist type motor connects drop-gear box, drop-gear box connects reel, reel is formed with steel rope and coordinates, the other end of steel rope connects pulley gear, pulley gear lower end connecting shackle.
As further improvement of the utility model, described electric cabinet skin is the steel plate of thick 2cm, and electric cabinet internal layer is cushion layer.
As further improvement of the utility model, described pulley gear bottom is provided with storage battery, around pulley gear, be provided with some LED.
As further improvement of the utility model, described pulley gear top is provided with rotating shaft, rotating shaft is provided with two pipe links, and the other end of every root pipe link is provided with jockey pulley, is provided with inverted U spring in the middle part of two pipe links.
Principle of work:
The explosion-proof electric block that the utility model provides, compact conformation, from heavy and light, volume is little, load-carrying ability is large, applied widely, can use in the occasion of the explosive mixture that may there is imflammable gas or be formed with air, by the technological improvement to electric cabinet, add four ventings, by the Design of Piston Structure of venting, actv. sealing can carried out at ordinary times to electric cabinet, double-decker design is carried out to electric cabinet simultaneously, the impact of blast to electric cabinet shell can be reduced by actv., when explosion time among a small circle occurs in electric cabinet inside, by venting, internal energy is discharged, piston acting is promoted while releasing energy, reduce the interior energy of gas, thus the gas temperature of release is reduced, integrated LED lamp and storage battery on pulley gear simultaneously, can mark pulley gear under the poor environment of light, prevent pulley gear from accidentally injuring staff, on pulley gear, be designed with pipe link simultaneously, by the effect of spring between pipe link, control the position between two pipe links, thus the distance between control jockey pulley, prevent wirerope-winding stress from concentrating and rupturing, actv. enhances the service life of steel rope.
The utility model compared with prior art has following beneficial effect:
1, this device structure reasonable standard, practical and convenient, compact conformation, from heavy and light, volume is little, load-carrying ability is large, applied widely, can use in the occasion of the explosive mixture that may there is imflammable gas or be formed with air, by the technological improvement to electric cabinet, add four ventings, by the Design of Piston Structure of venting, actv. sealing can carried out at ordinary times to electric cabinet, double-decker design is carried out to electric cabinet simultaneously, the impact of blast to electric cabinet shell can be reduced by actv., when explosion time among a small circle occurs in electric cabinet inside, by venting, internal energy is discharged, piston acting is promoted while releasing energy, reduce the interior energy of gas, thus the gas temperature of release is reduced,
2, simultaneously integrated LED lamp and storage battery on pulley gear, can mark pulley gear, prevent pulley gear from accidentally injuring staff under the poor environment of light;
3, on pulley gear, be designed with pipe link simultaneously, by the effect of spring between pipe link, control the position between two pipe links, thus control the distance between jockey pulley, prevent wirerope-winding stress from concentrating and rupturing, actv. enhances the service life of steel rope.
Accompanying drawing explanation
Fig. 1 is a kind of explosion-proof electric block structural representation;
Fig. 2 is pulley device structure schematic diagram set by a kind of explosion-proof electric block;
Fig. 3 is A portion enlarged drawing set by a kind of explosion-proof electric block;
Fig. 4 is electric cabinet ectonexine cutaway view set by a kind of explosion-proof electric block;
1-circuit fire stop in figure; 2-crane and hoist type motor; 3-steel rope; 4-pulley gear; 5-flame-proof type button; 6-suspension hook; 7-venting; 8-drop-gear box; 9-electric cabinet; 10-plant-grid connection mouth; 11-service meter; 12-driving wheel; 13-stay bearing plate; 14-flower wheel; 15-rail; 16-jockey pulley; 17-spring; 18-LED lamp; 19-storage battery; 20-piston; 21-through hole; 22-slideway; 23-base plate; 24-is outer; 25-internal layer; 26-reel; 27-rotating shaft; 28-pipe link.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment; technical scheme in the utility model embodiment is clearly and completely described; obviously; described embodiment is only the utility model part embodiment; instead of whole embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisite; the every other embodiment obtained, all belongs to the utility model protection domain.
embodiment 1
As Fig. 1, Fig. 2, a kind of explosion-proof electric block shown in Fig. 3, comprise rail 15, circuit fire stop 1, lifting electrical motor 2, steel rope 3, pulley gear 4, flame-proof type button 5, suspension hook 6, spring 17, piston 20, slideway 22, base plate 23, it is characterized in that rail 15 and flower wheel 14, driving wheel 12 is formed and coordinates, flower wheel 14, it is left that driving wheel 12 is arranged on stay bearing plate 13, right both sides, driving wheel 12 and service meter 11 are formed by gear and coordinate, stay bearing plate 13 lower left side is provided with circuit fire stop 1, stay bearing plate 13 lower central position is vertically installed with plant-grid connection mouth 10, stay bearing plate 13 bottom is provided with electric cabinet 9, electric cabinet 9 is double-deck flameproof cabinet, electric cabinet 9 bottom is provided with venting 7 along electric cabinet 9 four angles, venting 7 is communicated with formation cylindrical slideway 22 with electric cabinet 9 inside, base plate 23 is provided with bottom venting 7, base plate 23 upper surface is provided with spring 17, the other end of spring 17 is provided with piston 20, piston 20 forms hermetically-sealed construction with the cylindrical slideway 22 of venting 7, slideway 22 bottom is provided with through hole 21, flame-proof type button 5 is connected with on the left of electric cabinet 9, electric cabinet 9 rear surface is provided with crane and hoist type motor 2, crane and hoist type motor 2 connects drop-gear box 8, drop-gear box 8 connects reel 26, reel 26 is formed with steel rope 3 and coordinates, the other end of steel rope 3 connects pulley gear 4, pulley gear 4 lower end connecting shackle 6, this device structure reasonable standard, practical and convenient, compact conformation, from heavy and light, volume is little, load-carrying ability is large, applied widely, can use in the occasion of the explosive mixture that may there is imflammable gas or be formed with air, by the technological improvement to electric cabinet, add four ventings, by the Design of Piston Structure of venting, actv. sealing can carried out at ordinary times to electric cabinet, when explosion time among a small circle occurs in electric cabinet inside, by venting, internal energy is discharged, piston acting is promoted while releasing energy, reduce the interior energy of gas, thus the gas temperature of release is reduced.
Further, described electric cabinet 9 outer 24 is the steel plate of thick 2cm, and electric cabinet 9 internal layer 25 is cushion layer, carries out double-decker design to electric cabinet simultaneously, can reduce the impact of blast to electric cabinet shell by actv..
Further, described pulley gear 4 bottom is provided with storage battery 19, around pulley gear 4, be provided with some LED 18, integrated LED lamp and storage battery on pulley gear, can mark pulley gear under the poor environment of light, prevent pulley gear from accidentally injuring staff.
Further, described pulley gear 4 top is provided with rotating shaft 27, rotating shaft 27 is provided with two pipe links 28, the other end of every root pipe link 28 is provided with jockey pulley 16, is provided with inverted U spring 17 in the middle part of two pipe links 28, pulley gear is designed with pipe link, by the effect of spring between pipe link, control the position between two pipe links, thus control the distance between jockey pulley, prevent wirerope-winding stress from concentrating and rupturing, actv. enhances the service life of steel rope.
Claims (4)
1. an explosion-proof electric block, comprise rail (15), circuit fire stop (1), lifting is with electrical motor (2), steel rope (3), pulley gear (4), flame-proof type button (5), suspension hook (6), spring (17), piston (20), slideway (22), base plate (23), it is characterized in that rail (15) and flower wheel (14), driving wheel (12) is formed and coordinates, flower wheel (14), it is left that driving wheel (12) is arranged on stay bearing plate (13), right both sides, driving wheel (12) and service meter (11) are formed by gear and coordinate, stay bearing plate (13) lower left side is provided with circuit fire stop (1), stay bearing plate (13) lower central position is vertically installed with plant-grid connection mouth (10), stay bearing plate (13) bottom is provided with electric cabinet (9), electric cabinet (9) is double-deck flameproof cabinet, electric cabinet (9) bottom is provided with venting (7) along electric cabinet (9) four angles, venting (7) is communicated with formation cylindrical slideway (22) with electric cabinet (9) inside, venting (7) bottom is provided with base plate (23), base plate (23) upper surface is provided with spring (17), the other end of spring (17) is provided with piston (20), piston (20) forms hermetically-sealed construction with the cylindrical slideway (22) of venting (7), slideway (22) bottom is provided with through hole (21), electric cabinet (9) left side is connected with flame-proof type button (5), electric cabinet (9) rear surface is provided with crane and hoist type motor (2), crane and hoist type motor (2) connects drop-gear box (8), drop-gear box (8) connects reel (26), reel (26) is formed with steel rope (3) and coordinates, the other end of steel rope (3) connects pulley gear (4), pulley gear (4) lower end connecting shackle (6).
2. a kind of explosion-proof electric block according to claim 1, is characterized in that: the steel plate that described electric cabinet (9) outer (24) is thick 2cm, electric cabinet (9) internal layer (25) is cushion layer.
3. a kind of explosion-proof electric block according to claim 2, is characterized in that: described pulley gear (4) bottom is provided with storage battery (19), is provided with some LED (18) around along pulley gear (4).
4. a kind of explosion-proof electric block according to claim 3, it is characterized in that: described pulley gear (4) top is provided with rotating shaft (27), rotating shaft (27) is provided with two pipe links (28), the other end of every root pipe link (28) is provided with jockey pulley (16), and two pipe link (28) middle parts are provided with inverted U spring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084040.9U CN204474154U (en) | 2015-02-06 | 2015-02-06 | A kind of explosion-proof electric block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084040.9U CN204474154U (en) | 2015-02-06 | 2015-02-06 | A kind of explosion-proof electric block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204474154U true CN204474154U (en) | 2015-07-15 |
Family
ID=53629957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084040.9U Expired - Fee Related CN204474154U (en) | 2015-02-06 | 2015-02-06 | A kind of explosion-proof electric block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204474154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776052A (en) * | 2016-05-17 | 2016-07-20 | 无锡石油化工起重机有限公司 | Explosion-proof steel-wire rope type electric block |
-
2015
- 2015-02-06 CN CN201520084040.9U patent/CN204474154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776052A (en) * | 2016-05-17 | 2016-07-20 | 无锡石油化工起重机有限公司 | Explosion-proof steel-wire rope type electric block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20200206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |