CN110809382B - Explosion-proof electrical cabinet - Google Patents
Explosion-proof electrical cabinet Download PDFInfo
- Publication number
- CN110809382B CN110809382B CN201911284640.9A CN201911284640A CN110809382B CN 110809382 B CN110809382 B CN 110809382B CN 201911284640 A CN201911284640 A CN 201911284640A CN 110809382 B CN110809382 B CN 110809382B
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- cabinet body
- plate
- articulated slab
- explosion
- cabinet
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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
-
- 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)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention belongs to the technical field of electrical cabinets, and particularly relates to an explosion-proof electrical cabinet; the improved wardrobe comprises a wardrobe body, wherein square grooves are formed in two sides of the wardrobe body, hinge plates matched with the square grooves are embedded in the square grooves, and the hinge plates are flush with the inner surface and the outer surface of the wardrobe body; two stretching devices are arranged on one surface of the hinged plate close to the inside of the cabinet body; the invention clamps the hinged plate into the square groove by arranging the stretching device, the hinged plate is tightly jointed with the cabinet body, the sealing performance is improved, meanwhile, when explosive gas impacts the inner wall of the cabinet body in the cabinet body, the hinged plate is pushed, and after the hinged plate is moved out of the square groove, two motion states are provided: firstly, gaseous promotion articulated slab bottom takes place to rotate, secondly the articulated slab continues to keep away from the cabinet body, and the gaseous position blowout after not only deflecting from the articulated slab bottom of final inflation also from the clearance blowout between articulated slab top and the cabinet body, has increased the gaseous diffusion scope of inflation, and the position department of the articulated slab card in square groove is difficult for being pulled simultaneously, has improved the security.
Description
Technical Field
The invention belongs to the technical field of electrical cabinets, and particularly relates to an explosion-proof electrical cabinet.
Background
The explosion-proof regulator cubicle often uses in the production place that mixes there is explosive gas, and explosion-proof block terminal inevitably will produce the electric spark in the course of the work, in case the electric spark in the explosion-proof regulator cubicle contacts with explosive gas in the production place, will cause the explosion, cause serious production accident, bring huge economic loss and casualties, consequently, the articulated slab that can deflect is installed to the last installation of regulator cubicle, when inside has the explosion to produce, deflect the strong air current that produces the explosion through promoting the articulated slab, block when reducing the air to external inflation diffusion, prevent that the regulator cubicle from blockking explosive gas, cause the regulator cubicle to take place the inflation deformation.
Because current regulator cubicle is for explosion-proof consideration, installs the articulated slab that can rotate additional in both sides usually, and the one end of articulated slab articulates on the regulator cubicle, and the other end of articulated slab can deflect under the impact of the inside powerful air current of regulator cubicle, makes inside gas release, prevents to cause the damage to the regulator cubicle, but this kind of setting has following problem: the invention provides an explosion-proof electrical cabinet, which can enlarge the diffusion range of air expansion, ensure the sealing performance of the cabinet body and improve the safety during use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an explosion-proof electrical cabinet to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an explosion-proof electrical cabinet comprises a cabinet body, wherein square grooves are formed in two sides of the cabinet body, hinge plates matched with the square grooves are embedded in the square grooves, and the hinge plates are flush with the inner surface and the outer surface of the cabinet body; the side, close to the inside of the cabinet body, of the hinged plate is provided with two stretching devices, the stretching devices are close to the top end of the hinged plate, each stretching device comprises a clamping plate and a fixed shaft, the clamping plates are fixedly connected with the hinged plate, the inner sides of the clamping plates are rotatably connected with limiting rods through the fixed shafts, one ends of the limiting rods are fixedly connected with elastic pieces, limiting cylinders are arranged on the outer sides of the elastic pieces, one ends of the limiting cylinders are open, the open ends are in contact with the side, far away from the hinged plate, of the clamping plates, the top of each limiting; during operation, because current regulator cubicle is for explosion-proof consideration, install the articulated slab that can rotate additional in both sides usually, the one end of articulated slab articulates on the regulator cubicle, and the other end of articulated slab can deflect under the impact of the inside powerful air current of regulator cubicle, makes inside gas release, prevents to cause the damage to the regulator cubicle, but this kind of setting has following problem: air can only be sprayed out from the deflection end of the hinged plate, the diffusion range of the air during expansion is narrow, meanwhile, the free end of the hinged plate is not good for the convenience of rotation, and meanwhile, the hinged plate is easy to be manually pulled, so that the safety of personnel is affected; therefore, the invention mainly solves the problems of how to enlarge the diffusion range of the expanded air, ensure the sealing performance of the cabinet body and improve the safety in use; the specifically adopted measures and working processes are as follows: through going into the articulated slab card square groove, it is inseparabler with the cabinet body laminating, increase sealing performance, when there is explosive gas to strike the internal wall of cabinet at the internal portion of cabinet simultaneously, can promote the articulated slab, because the effect of elastic component, horizontal migration can be followed to the articulated slab, articulated slab pulling cardboard and fixed axle, fixed axle pulling gag lever post, move in the tensile articulated slab follow square groove of elastic component finally, keep away from the cabinet body, after the articulated slab shifts out from the square groove, there are two motion states: firstly, gaseous promotion articulated slab bottom takes place to rotate, secondly the articulated slab continues to keep away from the cabinet body, and the gaseous position blowout after not only deflecting from the articulated slab bottom of final inflation also from the clearance blowout between articulated slab top and the cabinet body, has increased the gaseous diffusion scope of inflation, and the position department of the articulated slab card in square groove is difficult for being pulled simultaneously, has improved the security.
Preferably, the inner surface of the cabinet body at the bottom of the square groove is provided with a groove, a guide plate is arranged in the groove, the top and the bottom of the guide plate are both arc surfaces, a support shaft is inserted in the middle of the guide plate along the direction vertical to the front side surface of the guide plate, and the front end and the rear end of the support shaft are both arranged in the wall thickness of the cabinet body; the cabinet body is made of alloy materials which cannot be magnetically adsorbed, and magnetic powder is coated on the top of the guide plate and the bottom of the hinged plate; when inside inflation gas strikes the articulated slab and the cabinet is inside, inflation gas promotes the articulated slab and keeps away from the cabinet body, the articulated slab bottom attracts the deflector top, make the deflector rotate round the back shaft, because the incline on deflector top, when inflation gas strikes the cabinet internal wall of square groove bottom, the deflector leads inflation gas to square groove department, make inflation gas spill over from the square groove, because the slope of deflector, strike the inflation gas of hitting perpendicularly on the deflector and become the slope by the deflector direction, the impact force of inflation gas to the deflector has been reduced, it is better to inflation gas's effect of keeping out.
Preferably, a plurality of elastic sandbags are arranged on the guide plate and arranged on the guide plate at the top of the support shaft; when receiving inflation gas's impact on the deflector, partly inflation gas hits and be hit on the elasticity sand bag, because the inside thing that enough inhales of packing that is equipped with of elasticity sand bag, when inflation gas strikes, inflation gas strikes elasticity sand bag, make the elasticity sand bag warp, the deformation of elasticity sand bag can absorb inflation gas's some energy, reduce the impact force to the cabinet body, and then improved explosion-proof effect, and the elasticity sand bag sets up on the deflector at back shaft top, guarantee after shrouding breaks away from with the deflector, the elasticity sand bag can have pressure to the deflector top, make the deflector tilt state always.
Preferably, the elastic sandbags are connected to the same elastic plate, one surface, close to the guide plate, of the elastic plate is fixedly connected with a T-shaped block, a limiting groove is formed in the surface of the guide plate, and the T-shaped block can slide upwards along the limiting groove; after the deflector is in the slope, owing to remove inflation gas to square groove department along the deflector, at the in-process that removes, on the one hand strike the elastic sandbag and make the elastic sandbag warp, consume a part of energy of inflation gas, on the other hand when inflation gas strikes the elastic sandbag, because inflation gas removes along the deflector, can promote the elastic sandbag and remove, the elastic sandbag drives the elastic plate, the elastic plate drives T type piece and removes to the top aslant along the spacing groove, because the rising of position, consequently, remove the back gravitational potential energy and increase, and then according to the law of conservation of energy, inflation gas's a part of energy is further consumed and has been converted into gravitational potential energy, further improve inflation gas's energy consumption, and then further reduced inflation gas's impact force.
Preferably, the surface of the hinged plate is provided with auxiliary holes in a penetrating manner, and one end of each auxiliary hole close to the inside of the cabinet body is lower than one end far away from the inside of the cabinet body in height and larger in diameter; the auxiliary hole can be when less impact, make inflation gas spout from the auxiliary hole, simultaneously when rainy day, because the auxiliary hole is close to the one end of the internal portion of cabinet and than the highly low of the one end of keeping away from the internal portion of cabinet, prevent that the rainwater from getting into the cabinet body, and the one end that the auxiliary hole is close to the internal portion of cabinet is bigger than the diameter of the one end of keeping away from the internal portion of cabinet, wind entering auxiliary hole when making rainwater weather can not increase wind and get into the internal intensity of cabinet through the auxiliary hole, and when stronger inflation gas is from the internal inflation of cabinet, partly when passing through the auxiliary hole, the degree of difficulty that overflows is bigger, and then can have stronger driving force to promote the articulated slab fast and open, release inflation gas.
Preferably, the top of the top plate is obliquely provided with a reinforcing plate, one end of the reinforcing plate is fixedly connected to one end of the top plate, which is far away from the inner wall of the cabinet body, and the other end of the reinforcing plate is fixedly connected to the side wall of the cabinet body at the top of the top plate; when the articulated slab received stronger impact force, articulated slab move in-process connect the pulling to roof and spacing section of thick bamboo bigger, consequently have the reinforcing plate that draws to one side at the roof top, take-up the roof, prevent that the junction of roof and cabinet body inner wall from taking place not hard up, improved stability.
The invention has the technical effects and advantages that:
1. according to the explosion-proof electrical cabinet provided by the invention, the hinged plate is clamped into the square groove by the stretching device, the hinged plate is tightly attached to the cabinet body, the sealing performance is improved, meanwhile, when explosive gas impacts the inner wall of the cabinet body, the hinged plate is pushed, and after the hinged plate is moved out of the square groove, two motion states are provided: firstly, gaseous promotion articulated slab bottom takes place to rotate, secondly the articulated slab continues to keep away from the cabinet body, and the gaseous position blowout after not only deflecting from the articulated slab bottom of final inflation also from the clearance blowout between articulated slab top and the cabinet body, has increased the gaseous diffusion scope of inflation, and the position department of the articulated slab card in square groove is difficult for being pulled simultaneously, has improved the security.
2. According to the explosion-proof electrical cabinet, the guide plate is arranged, the hinged plate is pushed by expansion gas to be away from the cabinet body, the bottom end of the hinged plate attracts the top end of the guide plate, the guide plate rotates around the support shaft, due to the deflection of the top end of the guide plate, when the expansion gas impacts the inner wall of the cabinet body at the bottom of the square groove, the guide plate guides the expansion gas to the square groove, the expansion gas overflows from the square groove, and due to the inclination of the guide plate, the expansion gas vertically impacting on the guide plate is guided by the guide plate to incline, so that the impact force of the expansion gas on the guide plate is reduced, and the blocking effect of the expansion gas is better.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a principal cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 2 according to the present invention;
in the figure: the cabinet body 1, the hinge plate 2, the stretching device 3, the clamping plate 31, the fixed shaft 32, the limiting rod 33, the elastic piece 34, the limiting cylinder 35, the top plate 36, the guide plate 4, the supporting shaft 5, the elastic sandbag 6, the elastic plate 7, the T-shaped block 8, the limiting groove 9, the auxiliary hole 10 and the reinforcing plate 11.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described below with reference to the specific embodiments, and the front, the back, the left, the right, the upper and the lower of the invention are all based on the view direction of fig. 2.
As shown in fig. 1-4, the explosion-proof electrical cabinet of the invention comprises a cabinet body 1, square grooves are respectively formed on two sides of the cabinet body 1, hinge plates 2 matched with the square grooves are embedded in the square grooves, and the hinge plates 2 are flush with the inner and outer surfaces of the cabinet body 1; the cabinet comprises a cabinet body 1 and is characterized in that two stretching devices 3 are arranged on one surface, close to the inside of the cabinet body 1, of a hinged plate 2, the stretching devices 3 are close to the top end of the hinged plate 2, each stretching device 3 comprises a clamping plate 31 and a fixed shaft 32, the clamping plates 31 are fixedly connected with the hinged plate 2, the inner sides of the clamping plates 31 are rotatably connected with limiting rods 33 through the fixed shafts 32, one ends of the limiting rods 33 are fixedly connected with elastic pieces 34, limiting cylinders 35 are arranged on the outer sides of the elastic pieces 34, one ends of the limiting cylinders 35 are open, the open ends of the limiting cylinders are in contact with one surface, far away from the hinged plate; during operation, because current regulator cubicle is for explosion-proof consideration, install articulated plate 2 that can rotate additional in both sides usually, the one end of articulated plate 2 articulates on the regulator cubicle, and the other end of articulated plate 2 can deflect under the impact of the inside powerful air current of regulator cubicle, makes inside gas release, prevents to cause the damage to the regulator cubicle, but this kind of setting has following problem: air can only be sprayed out from the deflection end of the hinged plate 2, the diffusion range of the air during expansion is narrow, meanwhile, the free end of the hinged plate 2 is not good for the convenience of rotation, the sealing effect on the cabinet body 1 is poor, and meanwhile, the hinged plate 2 is easy to be pulled manually, so that the safety of personnel is affected; therefore, the invention mainly solves the problems of how to enlarge the diffusion range of the expanded air, ensure the sealing performance of the cabinet body 1 and improve the safety in use; the specifically adopted measures and working processes are as follows: through going into the square groove with 2 card of articulated slab, it is inseparabler with the 1 laminating of the cabinet body, increase sealing performance, simultaneously when the cabinet body 1 is inside to have explosive gas to strike the 1 inner wall of cabinet body, can promote articulated slab 2, because the effect of elastic component 34, horizontal migration can be followed to articulated slab 2, 2 pulling cardboard 31 and fixed axles 32 of articulated slab, fixed axle 32 pulling gag lever post 33, finally move in the tensile articulated slab 2 follow square groove of elastic component 34, keep away from the cabinet body 1, after articulated slab 2 shifts out from the square groove, there are two motion states: firstly, gaseous 2 bottoms of pushing away the articulated slab take place to rotate, secondly articulated slab 2 continues to keep away from the cabinet body 1, and the gaseous position blowout after not only deflecting from articulated slab 2 bottom of final inflation also from the clearance blowout between articulated slab 2 top and the cabinet body 1, has increased the gaseous diffusion range of inflation, and the position department at square groove is blocked with articulated slab 2 simultaneously, is difficult for being pulled, has improved the security.
A groove is formed in the inner surface of the cabinet body 1 at the bottom of the square groove, a guide plate 4 is arranged in the groove, the top and the bottom of the guide plate 4 are both arc surfaces, a support shaft 5 is inserted in the middle of the guide plate 4 along the direction vertical to the front side surface of the guide plate, and the front end and the rear end of the support shaft 5 are both arranged in the wall thickness of the cabinet body 1; the cabinet body 1 is made of alloy materials which cannot be magnetically adsorbed, and magnetic powder is coated on the top of the guide plate 4 and the bottom of the hinged plate 2; when inside inflation gas strikes articulated slab 2 and cabinet body 1 inside, inflation gas promotes articulated slab 2 and keeps away from cabinet body 1, articulated slab 2 bottom attracts 4 tops of deflector, make deflector 4 rotate round support shaft 5, because the incline on deflector 4 top, when inflation gas strikes the cabinet body 1 inner wall of square groove bottom, deflector 4 leads inflation gas to square groove department, make inflation gas spill over from the square groove, because the slope of deflector 4, strike the inflation gas of hitting perpendicularly on deflector 4 and lead by deflector 4 and become the slope, inflation gas has been reduced to the impact force of deflector 4, it is better to inflation gas's the effect of keeping off.
A plurality of elastic sandbags 6 are arranged on the guide plate 4, and the elastic sandbags 6 are arranged on the guide plate 4 at the top of the support shaft 5; when receiving inflation gas's impact on deflector 4, partly inflation gas hits and beat on elasticity sand bag 6, because the inside thing that enough inhales of packing that is equipped with of elasticity sand bag 6, when inflation gas strikes, inflation gas strikes elasticity sand bag 6, make elasticity sand bag 6 warp, the deformation of elasticity sand bag 6 can absorb inflation gas's partly energy, reduce the impact force to the cabinet body 1, and then improved explosion-proof effect, and elasticity sand bag 6 sets up on deflector 4 at back shaft 5 top, guarantee after shrouding and deflector 4 break away from, elasticity sand bag 6 can have pressure to deflector 4 top, make deflector 4 tilt state always.
The elastic sandbags 6 are all connected to the same elastic plate 7, one surface, close to the guide plate 4, of the elastic plate 7 is fixedly connected with a T-shaped block 8, a limiting groove 9 is formed in the surface of the guide plate 4, and the T-shaped block 8 can slide upwards along the limiting groove 9; after the guide plate 4 is inclined, because the expanding gas moves towards the square groove along the guide plate 4, in the moving process, on one hand, the expanding gas impacts the elastic sandbag 6 to deform the elastic sandbag 6 and consume a part of energy of the expanding gas, on the other hand, when the expanding gas impacts the elastic sandbag 6, the expanding gas moves along the guide plate 4 and can push the elastic sandbag 6 to move, the elastic sandbag 6 drives the elastic plate 7, the elastic plate 7 drives the T-shaped block 8 to move towards the oblique upper direction along the limiting groove 9, and due to the rising of the position, the gravitational potential energy after moving is increased, and then according to the law of conservation of energy, a part of energy of the expanding gas is further consumed and converted into gravitational potential energy, the energy consumption of the expanding gas is further improved, and further the impact force of the expanding gas is reduced.
The surface of the hinged plate 2 is provided with auxiliary holes 10 in a penetrating way, and one end of each auxiliary hole 10 close to the inside of the cabinet body 1 is lower than one end far away from the inside of the cabinet body 1 in height and larger in diameter; the auxiliary hole 10 can be when less impact, make inflation gas spout from the interior of auxiliary hole 10, simultaneously when rainy day, because the one end that the auxiliary hole 10 is close to the internal portion of cabinet 1 is than keeping away from the height of the internal portion of cabinet one end low, prevent that the rainwater from getting into cabinet 1, and the one end that the auxiliary hole 10 is close to the internal portion of cabinet 1 is bigger than the diameter of the internal portion of cabinet one end of keeping away from, wind entering auxiliary hole 10 when making rainwater weather can not increase the intensity that wind gets into the internal portion of cabinet 1 through auxiliary hole 10, and when stronger inflation gas expands from the internal portion of cabinet 1, partly when the auxiliary hole 10 of process, the degree of difficulty that overflows is bigger, and then can have stronger thrust to promote articulated slab 2 to open fast, go out inflation gas articulated slab release.
The top of the top plate 36 is obliquely provided with a reinforcing plate 11, one end of the reinforcing plate 11 is fixedly connected to one end of the top plate 36 far away from the inner wall of the cabinet body 1, and the other end of the reinforcing plate 11 is fixedly connected to the side wall of the cabinet body 1 at the top of the top plate 36; when the hinged plate 2 receives stronger impact force, the hinged plate 2 moves in the middle of the process and is connected to the top plate 36 and the limiting barrel 35 to be pulled more greatly, so that the top plate 36 is provided with the inclined pulling reinforcing plate 11 at the top of the top plate 36, the top plate 36 is tensioned, the connection part of the top plate 36 and the inner wall of the cabinet body 1 is prevented from loosening, and the stability is improved.
During operation, because current regulator cubicle is for explosion-proof consideration, install articulated plate 2 that can rotate additional in both sides usually, the one end of articulated plate 2 articulates on the regulator cubicle, and the other end of articulated plate 2 can deflect under the impact of the inside powerful air current of regulator cubicle, makes inside gas release, prevents to cause the damage to the regulator cubicle, but this kind of setting has following problem: air can only be sprayed out from the deflection end of the hinged plate 2, the diffusion range of the air during expansion is narrow, meanwhile, the free end of the hinged plate 2 is not good for the convenience of rotation, the sealing effect on the cabinet body 1 is poor, and meanwhile, the hinged plate 2 is easy to be pulled manually, so that the safety of personnel is affected; therefore, the invention mainly solves the problems of how to enlarge the diffusion range of the expanded air, ensure the sealing performance of the cabinet body 1 and improve the safety in use; the specifically adopted measures and working processes are as follows: through going into the square groove with 2 card of articulated slab, it is inseparabler with the 1 laminating of the cabinet body, increase sealing performance, simultaneously when the cabinet body 1 is inside to have explosive gas to strike the 1 inner wall of cabinet body, can promote articulated slab 2, because the effect of elastic component 34, horizontal migration can be followed to articulated slab 2, 2 pulling cardboard 31 and fixed axles 32 of articulated slab, fixed axle 32 pulling gag lever post 33, finally move in the tensile articulated slab 2 follow square groove of elastic component 34, keep away from the cabinet body 1, after articulated slab 2 shifts out from the square groove, there are two motion states: firstly, gaseous 2 bottoms of pushing away the articulated slab take place to rotate, secondly articulated slab 2 continues to keep away from the cabinet body 1, and the gaseous position blowout after not only deflecting from articulated slab 2 bottom of final inflation also from the clearance blowout between articulated slab 2 top and the cabinet body 1, has increased the gaseous diffusion range of inflation, and the position department at square groove is blocked with articulated slab 2 simultaneously, is difficult for being pulled, has improved the security.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an explosion-proof regulator cubicle, includes the cabinet body (1), its characterized in that: square grooves are formed in the two sides of the cabinet body (1), hinge plates (2) matched with the square grooves are embedded into the square grooves, and the hinge plates (2) are flush with the inner surface and the outer surface of the cabinet body (1); the cabinet is characterized in that two stretching devices (3) are arranged on one surface, close to the inside of the cabinet body (1), of the hinged plate (2), the stretching devices (3) are close to the top end of the hinged plate (2), each stretching device (3) comprises a clamping plate (31) and a fixed shaft (32), the clamping plates (31) are fixedly connected with the hinged plate (2), the inner sides of the clamping plates (31) are rotatably connected with limiting rods (33) through the fixed shafts (32), one ends of the limiting rods (33) are fixedly connected with elastic pieces (34), limiting cylinders (35) are arranged on the outer sides of the elastic pieces (34), one ends of the limiting cylinders (35) are open, the open ends are in contact with one surface, far away from the hinged plate (2), of the clamping plates (31), top plates (36) are fixedly connected to the tops of the limiting cylinders; a groove is formed in the inner surface of the cabinet body (1) at the bottom of the square groove, a guide plate (4) is arranged in the groove, the top and the bottom of the guide plate (4) are both arc surfaces, a support shaft (5) is inserted in the middle of the guide plate (4) along the direction vertical to the front side surface of the guide plate, and the front end and the rear end of the support shaft (5) are both arranged in the wall thickness of the cabinet body (1); the cabinet body (1) is made of alloy materials which cannot be magnetically adsorbed, and magnetic powder is coated on the top of the guide plate (4) and the bottom of the hinged plate (2).
2. An explosion-proof electrical cabinet according to claim 1, characterized in that: a plurality of elastic sandbags (6) are arranged on the guide plate (4), and the elastic sandbags (6) are arranged on the guide plate (4) at the top of the supporting shaft (5).
3. An explosion-proof electrical cabinet according to claim 2, characterized in that: it is a plurality of elasticity sand bag (6) all are connected on same elastic plate (7), have linked firmly T type piece (8) on the one side that elastic plate (7) are close to deflector (4), spacing groove (9) have been seted up on deflector (4) surface, and spacing groove (9) upwards slide can be followed in T type piece (8).
4. An explosion-proof electrical cabinet according to claim 1, characterized in that: the surface of the hinged plate (2) is provided with auxiliary holes (10) in a penetrating way, and one end of each auxiliary hole (10) close to the inside of the cabinet body (1) is lower than one end far away from the inside of the cabinet body (1) in height and larger in diameter.
5. An explosion-proof electrical cabinet according to claim 1, characterized in that: the top of the top plate (36) is obliquely provided with a reinforcing plate (11), one end of the reinforcing plate (11) is fixedly connected to one end of the top plate (36) far away from the inner wall of the cabinet body (1), and the other end of the reinforcing plate (11) is fixedly connected to the side wall of the cabinet body (1) at the top of the top plate (36).
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CN201911284640.9A CN110809382B (en) | 2019-12-13 | 2019-12-13 | Explosion-proof electrical cabinet |
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CN110809382B true CN110809382B (en) | 2020-12-11 |
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CN209687301U (en) * | 2018-12-21 | 2019-11-26 | 合浦鑫鸿达设备制造有限公司 | A kind of protected type explosion wave prevention active door |
CN209730602U (en) * | 2019-05-29 | 2019-12-03 | 郑州华能电控设备有限公司 | The protective device of GCS low-tension switch cabinet |
CN110518474B (en) * | 2019-08-09 | 2020-12-08 | 南京市浦口区天和自动化设备有限公司 | Environment-friendly electric cabinet |
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2019
- 2019-12-13 CN CN201911284640.9A patent/CN110809382B/en active Active
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