CN111969425A - Air flow conduction pressure relief explosion-proof flame-retardant fire extinguishing mechanism of pre-buried high-voltage power distribution cabinet - Google Patents
Air flow conduction pressure relief explosion-proof flame-retardant fire extinguishing mechanism of pre-buried high-voltage power distribution cabinet Download PDFInfo
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- CN111969425A CN111969425A CN202010730667.2A CN202010730667A CN111969425A CN 111969425 A CN111969425 A CN 111969425A CN 202010730667 A CN202010730667 A CN 202010730667A CN 111969425 A CN111969425 A CN 111969425A
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- Prior art keywords
- shell
- wall
- fire extinguishing
- power distribution
- distribution cabinet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/008—Making of fire-extinguishing materials immediately before use for producing other mixtures of different gases or vapours, water and chemicals, e.g. water and wetting agents, water and gases
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/303—Bases or feet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Abstract
The invention discloses an air flow conduction, pressure relief, explosion prevention, flame retardation and fire extinguishing mechanism of a pre-buried high-voltage power distribution cabinet, which comprises an electric cabinet shell, a motor and a bottom shell, wherein the electric cabinet shell is fixedly arranged at the top of a concrete prefabricated base through bolts, the bottom of the electric cabinet shell is fixedly connected with a lining glass shell, the lining glass shell is positioned inside the concrete prefabricated base, the motor is fixedly arranged at the bottom of the lining glass shell, the end part of an output shaft of the motor is fixedly connected with a glass shaft, and the inner wall of the top and the inner wall of the back of the electric cabinet shell are respectively and fixedly provided with a telescopic rod and an isolating shell. This pre-buried formula high voltage distribution cabinet air current switches on explosion-proof fire-retardant fire extinguishing mechanism of pressure release, when not influencing the normal use of switch board, carries out quick effective oxygen isolation to the spontaneous combustion of switch board and puts out a fire and handle, improves fire extinguishing efficiency to prevent that the switch board from taking place because of the explosion potential safety hazard that the increase of internal pressure produced when spontaneous combustion.
Description
Technical Field
The invention relates to the technical field of high-voltage power distribution cabinets, in particular to an air flow conduction, pressure relief, explosion prevention, flame retardation and fire extinguishing mechanism for a pre-embedded high-voltage power distribution cabinet.
Background
In modern society development today, transmission and use of electric power have extensive and unavailable effect, in order to improve the security of electric power use and the validity of distributed transmission, in the occasion of electric power application, a power distribution cabinet device which is applied in a matched manner needs to be installed, accurate and safe effective switching and distribution use of electric power resources are carried out, the potential safety hazard of electric power use is reduced, the electric energy of a certain circuit of the upper-level power distribution equipment is distributed to a nearby load, the load can be coped with, and protection, monitoring and control are provided for the use of the load.
However, the existing high-voltage power distribution cabinet has the following problems when in use:
1. in order to improve the use safety of the power distribution cabinet and reduce adverse effects caused by external dust, the power distribution cabinet can be set to be a relatively sealed environment, when a spontaneous combustion problem is generated inside the power distribution cabinet, expansion burst caused by the rise of the internal pressure of the power distribution cabinet during spontaneous combustion exists due to the change of the internal temperature and the pressure of the power distribution cabinet, and the hidden danger of the residual adverse safety factors of the surrounding environment is large;
2. because the internal circuit structure of switch board distributes, when the spontaneous combustion problem produced, the intensity of a fire spread speed big, and the influence is big, can not produce the initial site to the burning things which may cause a fire disaster when its inside spontaneous combustion and carry out quick effectual putting out a fire for harm is big when the switch board produces inside spontaneous combustion, and the rescue efficiency of putting out a fire is not high.
Aiming at the problems, innovative design is urgently needed on the basis of the original high-voltage power distribution cabinet.
Disclosure of Invention
The invention aims to provide an air flow conduction, pressure relief, explosion prevention, flame retardation and fire extinguishing mechanism for a pre-buried high-voltage power distribution cabinet, and aims to solve the problems that when the conventional high-voltage power distribution cabinet generates a self-ignition problem in the prior art, expansion and burst caused by the rise of the internal pressure of the power distribution cabinet during the self-ignition exist due to the change of the internal temperature and the internal pressure of the power distribution cabinet, the residual hidden danger to the safety adverse factors of the surrounding environment is large, when the self-ignition problem is generated, the fire spreading speed is high, the influence is large, and the fire source generation starting part cannot be quickly and effectively extinguished during the self-ignition in.
In order to achieve the purpose, the invention provides the following technical scheme: an air flow conduction, pressure relief, explosion prevention, flame retardation and fire extinguishing mechanism of a pre-buried high-voltage power distribution cabinet comprises an electric cabinet shell, a motor and a bottom shell, wherein the electric cabinet shell is fixedly arranged at the top of a concrete prefabricated base through bolts, the bottom of the electric cabinet shell is fixedly connected with an inner lining glass shell, the inner lining glass shell is positioned inside the concrete prefabricated base, the motor is fixedly arranged at the bottom of the inner lining glass shell, the end part of an output shaft of the motor is fixedly connected with a glass shaft, the glass shaft and the inner lining glass shell are arranged in a penetrating manner, a telescopic rod and an isolation shell are respectively and fixedly arranged on the inner wall of the top and the inner wall of the back of the electric cabinet shell, a vertical rod is arranged in the middle of the isolation shell in a penetrating manner, the upper end of the vertical rod is fixedly connected with the lower end of, and an elastic part is fixedly connected between the top of the fixing ring and the inner wall of the isolation shell, and kerosene is arranged in the telescopic rod.
Preferably, the telescopic link and the vertical coaxial distribution between isolation shell and the montant three, and set up the slip extending structure who runs through between montant and the isolation shell to be vertical vertically to link up the setting between the bottom of isolation shell and the inside of inside lining glass shell.
Preferably, the perforating hole has been seted up on the outer wall of isolation shell, and the baffle is installed to the inside pivot of perforating hole to be fixed with the stopper on the montant outer wall of baffle avris, the cover is equipped with the sleeve on the bottom outer wall of montant moreover, the lower extreme of montant and the equal fixedly connected with butt joint in upper end of glass axle simultaneously.
Preferably, the perforating hole is equidistant evenly distributed on the shield shell, and the one-to-one setting between perforating hole and baffle and the stopper to the side cross-section of baffle sets up to "L" style of calligraphy structure, and vertical block setting between the tip of baffle and the stopper in addition, and the back junction movable mounting of shield shell and electric cabinet shell has the side door strip simultaneously.
Preferably, set up to vertical block, lateral sliding's relative revolution mechanic between sleeve and the montant, and telescopic both sides outer wall all sets up the sawtooth structure that the bar distributes.
Preferably, be the vertically fixed connection between the tip of butt joint and montant and glass axle, and montant and the epaxial butt joint opposite face of glass set up to the unsmooth dentate structure that the equal angle distributes to the mutual block setting of montant and the epaxial butt joint opposite face of glass.
Preferably, the drain pan is fixed in on the electric cabinet shell bottom inner wall of separation shell avris, and the inside of drain pan and separation shell rotates respectively and installs leading wheel and rolling wheel to articulated the mounting plate of installing in the bottom on the electric cabinet shell outer wall, movable mounting has the slider on the inner wall of mounting plate moreover, articulated on the slider have the one end of bracing piece, and the other end of bracing piece is articulated to be installed in the drain pan, is provided with the stay cord moreover between the outer wall of bracing piece and leading wheel and the rolling wheel to be fixed with the separation otter board between drain pan and the electric cabinet shell.
Preferably, a transverse center connecting line of the guide wheel and the winding wheel is parallel to a central shaft of the bottom shell, the winding wheels are symmetrically distributed about a vertical central axis of the isolation shell, and the outer edge of each winding wheel is meshed with the outer walls of the left side and the right side of the sleeve.
Preferably, the closing plate constitutes articulated flip structure with the shield shell, and the shield shell both sides outer wall runs through the setting with the closing plate junction to set up the sliding connection of block between closing plate and the slider.
Compared with the prior art, the invention has the beneficial effects that: the air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet can perform quick and effective oxygen isolation fire extinguishing treatment on the spontaneous combustion of the power distribution cabinet when the normal use of the power distribution cabinet is not influenced, improve the fire extinguishing efficiency and prevent the occurrence of explosion potential safety hazards caused by the increase of internal pressure intensity of the power distribution cabinet during spontaneous combustion;
1. the installation of the kerosene is only needed, when the spontaneous combustion temperature in the power distribution cabinet rises, the thermal expansion and cold contraction effect is generated, the positioning installation position of the vertical rod is changed, the gravity limiting effect of the limiting block on the baffle is relieved, the baffle can complete the free turning motion under the action of gravity, the mutual mixing of the solutions of sodium nitrite and ammonium chloride is realized, the vertical rod drives the sleeve and the butt joint to perform synchronous lifting motion, under the butt joint installation action of the butt joint, the vertical rod and the glass shaft perform synchronous rotating motion, the residue of sodium nitrite powder particles is avoided, stirring and subsequent heating can provide support for the reaction of the saturated solution of sodium nitrite and ammonium chloride, through the generation of nitrogen, the interior of the power distribution cabinet is filled, the contact environment of the internal electrical elements and oxygen is isolated, and efficient and safe fire extinguishing treatment is completed;
2. by foretell telescopic elevating movement, and the intermeshing joining action between sleeve outer wall and the rolling wheel, change the installation motion state of rolling wheel, it is not hard up to make the stay cord on the rolling wheel take place, make the bracing piece that the stay cord is connected take place spacing not hard up, under the spring force effect of its self gravity and supporting installation, change the installation inclination of its self and slider, make slider and closing plate relative slip, the position change that utilizes the closing plate reaches the open purpose of electric cabinet shell bottom outer wall, prevent that the electric cabinet shell from appearing the potential safety hazard that the inflation bursts because of the internal pressure changes.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the connection structure of the telescopic rod and the vertical rod of the present invention;
FIG. 4 is a schematic view of the engaging and connecting structure of the sleeve and the winding wheel according to the present invention;
FIG. 5 is a schematic view of the butt joint structure of the present invention;
FIG. 6 is a schematic view showing a connection structure of a slider and a sealing plate according to the present invention.
In the figure: 1. an electrical cabinet housing; 2. prefabricating a base by using concrete; 3. a glass-lined housing; 4. a motor; 5. a glass shaft; 6. a telescopic rod; 7. an insulating shell; 8. a vertical rod; 9. a connecting end; 10. a fixing ring; 11. an elastic member; 12. coal oil liquid; 13. a through hole; 14. a baffle plate; 15. a limiting block; 16. a sleeve; 17. a butt joint; 18. a side door strip; 19. a bottom case; 20. a guide wheel; 21. a winding wheel; 22. a sealing plate; 23. a slider; 24. a support bar; 25. pulling a rope; 26. blocking the net plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an air flow conduction, decompression, explosion-proof, flame-retardant and fire-extinguishing mechanism of a pre-buried high-voltage power distribution cabinet comprises an electric cabinet shell 1, a concrete prefabricated base 2, a lining glass shell 3, a motor 4, a glass shaft 5, a telescopic rod 6, a separation shell 7, a vertical rod 8, a connecting end 9, a fixing ring 10, an elastic piece 11, kerosene liquid 12, a through hole 13, a baffle plate 14, a limiting block 15, a sleeve 16, a butt joint 17, a side door strip 18, a bottom shell 19, a guide wheel 20, a winding wheel 21, a sealing plate 22, a sliding block 23, a supporting rod 24, a pull rope 25 and a separation screen plate 26, wherein the electric cabinet shell 1 is fixedly arranged at the top of the concrete prefabricated base 2 through bolts, the lining glass shell 3 is fixedly connected at the bottom of the electric cabinet shell 1, the lining glass shell 3 is positioned inside the concrete prefabricated base 2, the motor 4 is fixedly arranged at the bottom of the lining glass shell, and run through the setting between glass axle 5 and inside lining glass shell 3, there are telescopic link 6 and cage 7 on the top inner wall of electricity cabinet shell 1 and the back inner wall respectively fixed mounting, and the department runs through in the middle of the inside of cage 7 and installs montant 8, and fixed connection between the lower extreme of link 9 and telescopic link 6 is passed through to the upper end of montant 8, montant 8 is located the outer wall upper bearing in cage 7 and installs solid fixed ring 10, and fixed connection elastic component 11 between solid fixed ring 10's top and the cage 7 inner wall, the inside of telescopic link 6 is provided with kerosene liquid 12.
Vertical coaxial distribution between telescopic link 6 and cage 7 and the montant 8 three, and set up the slip extending structure who runs through between montant 8 and the cage 7 to for vertical vertically to link up the setting between the bottom of cage 7 and inside of inside lining glass shell 3, the installation location between montant 8 and the telescopic link 6 of being convenient for, the slip of direct montant 8 goes up and down and the motion is rotatory.
The outer wall of the isolation shell 7 is provided with a through hole 13, the baffle 14 is installed on the inner rotating shaft of the through hole 13, a limiting block 15 is fixed on the outer wall of the vertical rod 8 on the side of the baffle 14, a sleeve 16 is sleeved on the outer wall of the bottom of the vertical rod 8, meanwhile, the lower end of the vertical rod 8 and the upper end of the glass shaft 5 are fixedly connected with a butt joint 17, and the baffle 14 can be used for plugging the through hole 13 and placing sodium nitrite powder particles.
Perforating hole 13 is equidistant evenly distributed on isolation shell 7, and the one-to-one setting between perforating hole 13 and baffle 14 and the stopper 15, and the side cross-section of baffle 14 sets up to "L" style of calligraphy structure, and vertical block setting between the tip of baffle 14 and the stopper 15, simultaneously isolation shell 7 and electric cabinet shell 1's back junction movable mounting has side door strip 18, the installation setting of side door strip 18, be convenient for artificial carrying out opening of inner structure to isolation shell 7, thereby conveniently carry out placing of sodium nitrite powder granule on baffle 14, and stopper 15's effect can support baffle 14, prevent its free upset under the action of gravity.
Set up to vertical block, lateral sliding's relative revolution structure between sleeve 16 and the montant 8, and the both sides outer wall of sleeve 16 all sets up to the serration structure that the bar distributes, utilizes montant 8's effect to take sleeve 16 to carry out vertical elevating movement, and montant 8 can not cause sleeve 16's synchronous rotation when rotary motion.
Be vertically fixed connection between the tip of butt joint 17 and montant 8 and glass axle 5, and montant 8 sets up to the unsmooth dentate structure that the equal angle distributes with the epaxial butt joint 17 opposite face of glass 5, and montant 8 sets up with the mutual block of the epaxial butt joint 17 opposite face of glass 5, under the tip butt joint block connection effect between butt joint 17, make the tip of montant 8 and glass axle 5 after interconnect, can carry out synchronous rotary motion, thereby make motor 4 can provide power for the rotation of montant 8 and glass axle 5.
Leading wheel 20 and the horizontal central line of rolling wheel 21 are parallel to each other with the axis of drain pan 19, and rolling wheel 21 is about the vertical central axis symmetric distribution of isolation shell 7, and the meshing is connected between the outward flange of rolling wheel 21 and the left and right sides outer wall of sleeve 16, closing plate 22 constitutes articulated flip structure with isolation shell 7, and the junction of closing plate 7 both sides outer wall and closing plate 22 runs through the setting, and set up the sliding connection who sets up the block between closing plate 22 and the slider 23, can be when montant 8 and glass axle 5's synchronous downstream, make rolling wheel 21 meshing rotate, reach the purpose that closing plate 22 upset carried out the open control of electricity cabinet shell 1 both sides outer wall, here bracing piece 24 and the articulated mounted position department of drain pan 19 are fixed with the spring, open for bracing piece 24's upset and provide effectual support.
The working principle is as follows: when the air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism of the pre-buried high-voltage power distribution cabinet is used, firstly, according to the graph shown in fig. 1-2, the lining glass shell 3 is arranged in the concrete prefabricated base 2 and is positioned below the surface water level of the bottom of the electric cabinet shell 1, ammonium chloride solution is arranged in the lining glass shell 3, meanwhile, a matched heating element is arranged on the outer wall of the lining glass shell 3, the heating element is connected with a motor 4 and a smoke sensor arranged in the electric cabinet shell 1, a controller is utilized to control the synchronous working of the heating element and the motor 4 during spontaneous combustion, the smoke sensor, the heating element and the motor 4 are replaced by means in the prior art, the mechanism belongs to the movement of conventional electric elements, as shown in fig. 2, sodium nitrite powder particles are conveniently and artificially placed on a baffle plate 14 under the opening action of a side door bar 18, under the vertical supporting action of a limiting block 15 on, the baffle 14 is prevented from rotating due to the self gravity problem, so that sodium nitrite powder particles can fall freely;
according to the drawings of fig. 1 and 3-6, when spontaneous combustion is generated inside the electric cabinet shell 1, as shown in fig. 3-4, the temperature generated by the spontaneous combustion causes the coal oil liquid 12 to generate thermal expansion and cold contraction effects, so that the telescopic rod 6 is axially extended and lengthened, the telescopic rod 6 is driven by the connecting end 9 to vertically move downwards, meanwhile, the fixing ring 10 and the matched elastic piece 11 which are arranged on the outer wall of the vertical rod 8 through the bearing enable the vertical rod 8 to stably and effectively axially move downwards while the subsequent rotary motion of the vertical rod 8 is not influenced, and when the vertical rod 8 moves downwards, the limiting block 15 on the outer wall does not support the baffle plate 14 any more, so that the baffle plate 14 can turn over under the action of the gravity of the baffle plate and sodium nitrite powder particles and does not block the through hole 13 any more, the baffle plate 14 blocks the through hole 13 in advance, and the humidity and mildew of the sodium nitrite powder particles caused by external, the sodium nitrite powder particles on the baffle plate 14 which rotates fall into the ammonium chloride solution in the lining glass shell 3 through the isolation shell 7 to affect the saturated solution of the sodium nitrite powder particles and the ammonium chloride solution, at the moment, as shown in figures 1 and 4-5, the butt joints 17 at the end parts of the glass shaft 5 and the vertical rod 8 are butted, clamped and positioned, so that the vertical rod 8 can synchronously rotate along with the glass shaft 5 when the glass shaft 5 rotates, and as shown above, the work of the motor 4 and the heating element can mix and heat the sodium nitrite and ammonium chloride saturated solution in the lining glass shell 3 to generate nitrogen, the nitrogen is generated to fill the inside of the electric cabinet shell 1, the electric elements in the electric cabinet shell 1 are isolated from oxygen, the purpose of quick and safe effective fire extinguishing is achieved, and the synchronous rotating motion of the vertical rod 8 and the glass shaft 5 is utilized to shake the sodium nitrite powder particles and the residual sodium nitrite powder on the baffle plate 14 when the glass shaft rotates, the phenomenon that the card cannot effectively fall off due to clamping is avoided;
as shown in fig. 4 and 6, as described above, while the vertical rod 8 moves up and down, the sleeve 16 on the outer wall of the vertical rod is synchronously moved up and down, and is meshed with the outer wall of the winding wheel 21 while the rotation of the vertical rod 8 is not affected, so that the winding wheel 21 rotates, the pull rope 25 wound on the winding wheel is loosened, the support rod 24 is rotated to perform the turning motion under the spring action of the guide wheel 20 and the connection part of the support rod 24 and the bottom shell 19, the slide block 23 at the end part of the support rod rotates, and the slide block 23 and the sealing plate 22 are engaged with each other to slide, so that the purpose that the sealing plate 22 rotates to open the outer walls on the two sides of the electric cabinet shell 1 is achieved, and the expansion and explosion caused by the increase of the internal pressure of.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an explosion-proof fire-retardant fire extinguishing mechanism of pre-buried formula high voltage distribution cabinet air current switches on pressure release, includes electric cabinet shell (1), motor (4) and drain pan (19), its characterized in that: the electric cabinet is characterized in that the electric cabinet shell (1) is fixedly arranged at the top of the concrete prefabricated base (2) through bolts, the bottom of the electric cabinet shell (1) is fixedly connected with the lining glass shell (3), the lining glass shell (3) is positioned inside the concrete prefabricated base (2), the motor (4) is fixedly arranged at the bottom of the lining glass shell (3), the end part of an output shaft of the motor (4) is fixedly connected with the glass shaft (5), the glass shaft (5) and the lining glass shell (3) are arranged in a penetrating manner, the inner wall of the top and the inner wall of the back of the electric cabinet shell (1) are respectively and fixedly provided with a telescopic rod (6) and an isolation shell (7), the middle part of the inside of the isolation shell (7) is provided with a vertical rod (8) in a penetrating manner, and the upper end of the vertical rod (8) is fixedly connected with the lower end of the telescopic rod (, the outer wall that montant (8) are located isolation shell (7) is gone up the bearing and is installed solid fixed ring (10), and fixedly connected with elastic component (11) between the top of solid fixed ring (10) and isolation shell (7) inner wall, the inside of telescopic link (6) is provided with coal oil liquid (12).
2. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 1, characterized in that: the telescopic rod (6) is coaxially distributed with the isolation shell (7) and the vertical rod (8) in a vertical mode, a sliding telescopic structure penetrating through the isolation shell (7) is arranged between the vertical rod (8) and the isolation shell (7), and the bottom of the isolation shell (7) is vertically communicated with the inside of the lining glass shell (3).
3. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 2, characterized in that: the outer wall of the isolation shell (7) is provided with a through hole (13), the inner rotating shaft of the through hole (13) is provided with a baffle (14), a limiting block (15) is fixed on the outer wall of a vertical rod (8) on the side of the baffle (14), a sleeve (16) is sleeved on the outer wall of the bottom of the vertical rod (8), and meanwhile the lower end of the vertical rod (8) and the upper end of a glass shaft (5) are fixedly connected with a butt joint (17).
4. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 3, characterized in that: perforating hole (13) equidistant evenly distributed on housing (7), and the one-to-one setting between perforating hole (13) and baffle (14) and stopper (15) to the side cross-section of baffle (14) sets up to "L" style of calligraphy structure, and vertical block setting between tip and the stopper (15) of baffle (14) simultaneously housing (7) and the back junction movable mounting of electricity cabinet shell (1) has side door strip (18).
5. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 3, characterized in that: set up to vertical block, lateral sliding's relative revolution mechanic between sleeve (16) and montant (8), and the both sides outer wall of sleeve (16) all sets up the sawtooth structure that the bar distributes.
6. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 3, characterized in that: be vertically fixed connection between the tip of butt joint (17) and montant (8) and glass axle (5), and montant (8) and the unsmooth dentate structure that butt joint (17) opposite face on glass axle (5) set up to angular distribution such as to butt joint (17) opposite face on montant (8) and glass axle (5) blocks the setting each other.
7. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 1, characterized in that: bottom shell (19) are fixed in on the electric cabinet shell (1) bottom inner wall of separation shell (7) avris, and the inside of bottom shell (19) and separation shell (7) rotates respectively and installs leading wheel (20) and wind-up wheel (21) to bottom on electric cabinet shell (1) outer wall is articulated installs closing plate (22), and movable mounting has slider (23) on the inner wall of closing plate (22), it has the one end of bracing piece (24) to articulate on slider (23), and the other end of bracing piece (24) is articulated to be installed in bottom shell (19), and is provided with stay cord (25) between the outer wall of bracing piece (24) and leading wheel (20) and wind-up wheel (21), and is fixed with separation otter board (26) between bottom shell (19) and electric cabinet shell (1).
8. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 7, characterized in that: the transverse center connecting line of the guide wheel (20) and the winding wheel (21) is parallel to the middle shaft of the bottom shell (19), the winding wheel (21) is symmetrically distributed relative to the vertical center shaft of the isolation shell (7), and the outer edge of the winding wheel (21) is meshed with the outer walls of the left side and the right side of the sleeve (16).
9. The air flow conduction pressure-relief explosion-proof flame-retardant fire extinguishing mechanism for the pre-buried high-voltage power distribution cabinet according to claim 7, characterized in that: the sealing plate (22) and the isolation shell (7) form a hinged turnover structure, the outer walls of two sides of the isolation shell (7) are connected with the sealing plate (22) in a penetrating mode, and the sealing plate (22) and the sliding block (23) are connected in a clamping mode in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730667.2A CN111969425A (en) | 2020-07-27 | 2020-07-27 | Air flow conduction pressure relief explosion-proof flame-retardant fire extinguishing mechanism of pre-buried high-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730667.2A CN111969425A (en) | 2020-07-27 | 2020-07-27 | Air flow conduction pressure relief explosion-proof flame-retardant fire extinguishing mechanism of pre-buried high-voltage power distribution cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113193529A (en) * | 2021-04-15 | 2021-07-30 | 袁康 | Pre-buried warning type electric power cable anti-stamping force-unloading protection mechanism |
| CN114183720A (en) * | 2021-12-15 | 2022-03-15 | 周康 | LED street lamp and hidden battery pack thereof |
| CN115881373A (en) * | 2023-01-13 | 2023-03-31 | 菏泽智坡网络科技有限公司 | High-voltage high-value resistor terminal structure |
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| CN115881373A (en) * | 2023-01-13 | 2023-03-31 | 菏泽智坡网络科技有限公司 | High-voltage high-value resistor terminal structure |
| CN115881373B (en) * | 2023-01-13 | 2023-10-03 | 国网浙江省电力有限公司杭州市临安区供电公司 | Terminal structure of high-voltage high-value resistor |
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Application publication date: 20201120 |