CN112807879A - Detachable civil air defense poison filtering chamber and civil air defense equipment - Google Patents

Detachable civil air defense poison filtering chamber and civil air defense equipment Download PDF

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Publication number
CN112807879A
CN112807879A CN202011516645.2A CN202011516645A CN112807879A CN 112807879 A CN112807879 A CN 112807879A CN 202011516645 A CN202011516645 A CN 202011516645A CN 112807879 A CN112807879 A CN 112807879A
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CN
China
Prior art keywords
chamber body
rod
face
filtering chamber
sliding rod
Prior art date
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Granted
Application number
CN202011516645.2A
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Chinese (zh)
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CN112807879B (en
Inventor
车熙
张朝伟
翟荣伟
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Chongqing Xinzhou Civil Air Defense Engineering Equipment Co ltd
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Chongqing Xinzhou Civil Air Defense Engineering Equipment Co ltd
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Priority to CN202011516645.2A priority Critical patent/CN112807879B/en
Publication of CN112807879A publication Critical patent/CN112807879A/en
Application granted granted Critical
Publication of CN112807879B publication Critical patent/CN112807879B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B01D53/185—Liquid distributors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/125—Small buildings, arranged in other buildings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
    • E04H9/06—Structures arranged in or forming part of buildings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/134—Distributing means, e.g. baffles, valves, manifolds, nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/08—Mobile separation devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/93—Toxic compounds not provided for in groups B01D2257/00 - B01D2257/708
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Analytical Chemistry (AREA)
  • Emergency Management (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to a detachable civil air defense gas filtering chamber and civil air defense equipment, wherein one side of a gas filtering chamber body is provided with a gas inlet, the other side of the gas filtering chamber body is provided with a gas outlet, a clapboard is arranged in the gas filtering chamber body, and the clapboard divides the interior of the gas filtering chamber body into a first cavity and a second cavity; the movable cover plate is rotatably arranged on the outer side wall of the poison filtering chamber body through a rotating shaft and corresponds to the air inlet; the clamping assembly comprises a clamping jaw, a sliding block, a connecting rod and an adjusting screw rod, the adjusting screw rod can be driven by the driving assembly to rotate, the sliding block is connected to the adjusting screw rod in a threaded manner, the connecting rod is hinged to the sliding block, and the connecting rod is hinged to the clamping jaw; the poison filtering box is arranged in the second cavity of the poison filtering chamber body. The device is arranged in the civil air defense channel, the driving assembly drives the movable cover plate to be opened, and simultaneously drives the adjusting screw rod to synchronously rotate, so that the clamping jaws are driven to be opened, the tail ends of the clamping jaws are embedded into the wall body of the civil air defense channel, and the device is kept stable.

Description

Detachable civil air defense poison filtering chamber and civil air defense equipment
Technical Field
The invention relates to the technical field of civil air defense, in particular to a detachable civil air defense poison filtering chamber and civil air defense equipment.
Background
People's air defense engineering needs to set up people's air defense poison filtering room, and current people's air defense poison filtering room dismouting is inconvenient, removes the difficulty, is difficult to satisfy people's demand.
Disclosure of Invention
It is an object of the present invention to provide a removable personal air defense canister for facilitating the attachment and detachment of the personal air defense canister.
The object of the invention is achieved by a solution comprising:
the gas filter comprises a gas filter chamber body, wherein one side of the gas filter chamber body is provided with a gas inlet, the other side of the gas filter chamber body is provided with a gas outlet, a partition plate is arranged in the gas filter chamber body, and the inside of the gas filter chamber body is divided into a first cavity and a second cavity by the partition plate;
the movable cover plate is rotatably arranged on the outer side wall of the poison filtering chamber body through a rotating shaft and corresponds to the air inlet;
the driving assembly is arranged inside the toxin filtering chamber body and is used for driving the movable cover plate to open and close;
the device comprises a clamping assembly, a gas filter chamber body and a gas inlet pipe, wherein the clamping assembly comprises a clamping jaw hinged to the bottom of the gas filter chamber body, an adjusting screw rod is rotatably mounted below the gas filter chamber body and can be driven to rotate by a driving assembly, a sliding block is connected to the adjusting screw rod in a threaded manner, a connecting rod is hinged to the sliding block, and the end part of the connecting rod is hinged to the clamping jaw;
and the poison filtering box is fixedly arranged in the second cavity of the poison filtering chamber body.
Preferably, the driving assembly comprises a first motor arranged at the top of the poison filtering chamber body, the shaft extension end of the first motor is fixedly connected with the top end face of a bidirectional worm, the bidirectional worm extends into the poison filtering chamber body, a worm wheel is arranged on a rotating shaft of the movable cover plate and is meshed with the bidirectional worm, the bottom end face of the bidirectional worm extends out of the bottom end face of the poison filtering chamber body, the lower end of the bidirectional worm is connected with a first bevel gear which can be meshed with a second bevel gear, the second bevel gear is arranged at one end of a first transmission shaft, the other end of the first transmission shaft is slidably sleeved in the adjusting screw rod through a flat key, the first transmission shaft is rotatably arranged on a telescopic rod of a first hydraulic cylinder, the first hydraulic cylinder is arranged on a support leg, and the support leg is arranged on the bottom end face of the poison filtering chamber body.
Preferably, a first opening and closing component capable of controlling air inlet of the air inlet and a second opening and closing component capable of controlling air outlet of the air outlet are further arranged in the second cavity of the toxin filtering chamber body;
the first opening and closing component is positioned between the air inlet and the toxin filtering box, the second opening and closing component is positioned between the air outlet and the toxin filtering box, and the first motor drives the first opening and closing component to open and/or close the first opening and closing component and the second opening and closing component or the first opening and closing component to close and/or close the second opening and closing component through the transmission component;
the first opening and closing assembly comprises a first mesh plate, a second mesh plate, a first sliding rod, a second sliding rod, a first spring and a first groove;
the first mesh plate is arranged in a second cavity between the air inlet and the toxin filtering box, and the second mesh plate can be arranged on the side wall of the first mesh plate in a vertically sliding mode and can open and close meshes of the first mesh plate;
a first sliding rod is arranged on the lower end face of the second mesh plate and is arranged in a first groove in a sliding manner, the first groove is formed in the bottom wall of the poison filtering chamber body, the bottom end face of the second mesh plate is connected with the bottom end face of the first groove through a first spring, and the first spring is sleeved on the second sliding rod;
the top end face of the second mesh plate is provided with a second sliding rod which can slidably penetrate through the upper end face and the lower end face of the partition plate and extend into the first cavity, and the top end face of the second sliding rod can be driven by the first power output end of the transmission assembly to slide up and down;
the second opening and closing assembly comprises a third mesh plate, a fourth mesh plate, a third sliding rod, a fourth sliding rod, a second spring and a second groove;
the third mesh plate is arranged in the second cavity between the air outlet and the toxin filtering box, and the fourth mesh plate can slide up and down and is arranged on the side wall of the third mesh plate and can open and close meshes of the third mesh plate;
a third sliding rod is arranged on the lower end face of the fourth mesh plate, the third sliding rod is arranged in a second groove in a sliding manner, the second groove is formed in the bottom wall in the poison filtering chamber body, the bottom end face of the fourth mesh plate is connected with the bottom end face of the second groove through a second spring, and the second spring is sleeved on the third sliding rod;
the top end face of the fourth mesh plate is provided with a fourth sliding rod, the fourth sliding rod can slidably penetrate through the upper end face and the lower end face of the partition plate and extend into the first cavity, and the top end face of the fourth sliding rod can be driven by a second power output end of the transmission assembly to slide up and down;
the transmission assembly comprises a third bevel gear, a fourth bevel gear, a first cam, a second transmission shaft, a second hydraulic cylinder, a bearing, a first guide inclined plane, a second guide inclined plane, a third guide inclined plane and a fourth guide inclined plane;
a bearing is fixed in the first chamber, the axis direction of the bearing is parallel to the flowing direction of the gas, the second transmission shaft is arranged in the bearing in a sliding manner, the second transmission shaft is connected with a telescopic rod of a second hydraulic cylinder through a connecting rod, and the second hydraulic cylinder is arranged on the top wall of the first chamber;
the bidirectional worm is also provided with a third bevel gear which can be meshed with a fourth bevel gear, the fourth bevel gear is arranged on a second transmission shaft, the second transmission shaft is also provided with a first cam and a second cam, the first cam can be matched with the top end surface of the second slide bar, and the second cam can be matched with the top end surface of the fourth slide bar;
the first cam is provided with a first guide inclined plane, the second slide bar is provided with a second guide inclined plane, and the first guide inclined plane can be matched with the second guide inclined plane to drive the second slide bar to slide;
a third guide inclined plane is arranged on the second cam, a fourth guide inclined plane is arranged on the fourth slide bar, and the third guide inclined plane can be matched with the fourth guide inclined plane to drive the fourth slide bar to slide;
when the third bevel gear is meshed with the fourth bevel gear, the first cam is matched with the top end face of the second slide bar, the second cam is matched with the top end face of the fourth slide bar, the extending distance of the telescopic rod of the second hydraulic cylinder is a at the moment, when the first cam is disengaged from the top end face of the second slide bar, the extending distance of the telescopic rod of the second hydraulic cylinder is b, when the second cam is disengaged from the top end face of the fourth slide bar, the extending distance of the telescopic rod of the second hydraulic cylinder is c, and b-a is less than c-a.
It is another object of the invention to provide a civil air defense apparatus for filtering air within a civil air defense project.
The object of the invention is achieved by a solution comprising:
the sterilizing component is arranged inside the second cavity of the toxin filtering chamber body;
the cleaning assembly is arranged inside the second cavity of the poison filtering chamber body;
and the moving assembly is arranged at the bottom of the toxin filtering chamber body.
As preferred, the subassembly that disinfects includes the liquid medicine case of fixed mounting at straining poison room body top, install hollow rotating shaft in the second cavity of straining poison room body, hollow rotating shaft passes first cavity and runs through the inside and outside wall of straining poison room body, the joint that leads to soon is installed on hollow rotating shaft's top, the internally mounted of liquid medicine case has the booster pump, and the delivery port of booster pump passes through the pipeline and leads to the articulate at hollow rotating shaft top, the flow distribution disc is installed to hollow rotating shaft's lower extreme, the inside cavity of flow distribution disc, flow distribution disc and hollow rotating shaft UNICOM, the lower surface distribution of flow distribution disc has atomizer.
As preferred, clean the subassembly and include the second motor of fixed mounting at virus filtering room body top, the axle of second motor stretches end rigid coupling lift lead screw top end face, lift lead screw bottom end face passes first cavity and runs through in the baffle stretches into the second cavity, lift lead screw pass through the drive belt with hollow rotating shaft connects, threaded connection has the elevator on the lift lead screw, it has the guide bar to run through on the elevator, the upper and lower both ends of guide bar respectively with the top and the bottom fixed connection of virus filtering room body, elevator and guide bar sliding connection, the fixed ann of lateral wall of elevator is equipped with the brush, brush hair and the butt of virus filtering box on the brush.
Preferably, the moving assembly comprises an electric telescopic rod arranged on the side wall of the supporting leg, and a universal wheel is mounted on the telescopic rod of the electric telescopic rod.
After adopting the structure, compared with the prior art, the invention has the following advantages:
1. when the gas in the civil air defense channel needs to be disinfected, the device is placed in the civil air defense channel, the driving assembly drives the movable cover plate to be opened, and simultaneously drives the adjusting screw rod to synchronously rotate to drive the clamping jaws to be opened, so that the tail ends of the clamping jaws are embedded into the wall body of the civil air defense channel, the device is kept stable, the movable cover plate can be opened while the device is fixed in the wall body, the time for opening the device is saved, and the opening efficiency is improved;
2. by arranging the first hydraulic cylinder, when the concentration of the civil air defense gas is too high or the filtering effect is not good, the first hydraulic cylinder is started to drive the first bevel gear to be disengaged from the second bevel gear, and the first motor is started to drive the movable cover plate to close the air inlet, so that the situation that the incompletely filtered toxic gas enters the civil air defense project is avoided;
3. by arranging the first opening and closing assembly and the second opening and closing assembly, the filtering time of the toxin filtering box and the reaction time of liquid medicine sprayed by the atomizing nozzle can be prolonged, and the toxin filtering quality is improved;
4. by arranging the first opening and closing assembly and the second opening and closing assembly, the first opening and closing assembly and the second opening and closing assembly can be closed when the concentration of the civil air defense toxic gas is too high or the filtering effect is not good, the closing of the civil air defense equipment is controlled through various devices, the sealing effect is better, and the situation that the toxic gas which is not completely filtered enters the civil air defense engineering can be avoided;
5. according to the invention, the second transmission shaft can be driven to move by arranging the second hydraulic cylinder, the fourth bevel gear can be driven to be meshed with the third bevel gear, the opening and closing of the first opening and closing component and the opening and closing of the second opening and closing component can be driven by the extension and retraction of the second hydraulic cylinder, the cost is saved and the device is simplified by the same device;
6. this application can drive the switching of removable cover, the opening and shutting of jack catch and the switching of first switching subassembly and the switching of second switching subassembly through the rotation of first motor, drives through same power supply and has practiced thrift the cost, has simplified the device.
Drawings
FIG. 1 is a schematic diagram of the construction of the personal protective equipment of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention at A;
FIG. 3 is an enlarged view of a portion of the present invention at B;
FIG. 4 is an enlarged view of a portion of the present invention at C;
FIG. 5 is an enlarged view of a portion of the present invention at D;
FIG. 6 is a bottom view of the adjustment screw in the personal protective equipment of the present invention;
FIG. 7 is a perspective view of the canister body of the present invention;
fig. 8 is a schematic structural view of a lifting screw rod in the civil air defense device.
In the figure: 1. a detoxification chamber body; 2. an air inlet; 3. an air outlet; 4. a removable cover plate; 5. a first motor; 6. a worm gear; a bidirectional worm; 8. a poison filtering box; 9. a medicine water tank; 10. a hollow rotating shaft; 11. a diverter tray; 12. an atomizing spray head; 13. a second motor; 14. a lifting screw rod; 15. a guide bar; 16. a lifting block; 17. a brush; 18. a support leg; 19. a first bevel gear; 20. adjusting the screw rod; 21. a slider; 22. a claw; 23. a connecting rod; 24. an electric telescopic rod; 25. a universal wheel; 26. a first drive shaft; 27. a first hydraulic cylinder; 28. a partition plate; 29. a second drive shaft; 30. a second hydraulic cylinder; 31. a third bevel gear; a first cam; 33. a second cam; 34. a second bevel gear; 35. a fourth bevel gear; 36. a first chamber; 37. a second chamber; a first mesh plate; 39. a second mesh plate; 40. a first slide bar; 41. a second slide bar; 42. a first spring; 43. a first groove; a third mesh plate; 45. a fourth mesh plate; 46. a third slide bar; 47. a fourth slide bar; 48. a second spring; 49. a second groove; 50, a bearing; 51. a first guide slope; 52. a second guide slope; 53. a third guide slope; 54. a fourth guide slope.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present invention, it is to be understood that the term "center". The orientations or positional relationships indicated by "length," "width," "height," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like are based on the orientations or positional relationships shown in fig. 1 and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Referring to fig. 1 to 7, a detachable civil air defense poison filtering chamber comprises a poison filtering chamber body 1, wherein an air inlet 2 is formed in one side of the poison filtering chamber body 1, an air outlet 3 is formed in the other side of the poison filtering chamber body 1, a partition plate 28 is arranged in the poison filtering chamber body 1, and the inside of the poison filtering chamber body 1 is divided into a first cavity 36 and a second cavity 37 by the partition plate 28; the movable cover plate 4 is rotatably arranged on the outer side wall of the toxin filtering chamber body 1 through a rotating shaft and corresponds to the air inlet 2; the driving component is arranged inside the toxin filtering chamber body 1 and is used for driving the movable cover plate 4 to open and close; the device comprises a clamping assembly, a gas filter chamber and a gas filter chamber, wherein the clamping assembly comprises a clamping jaw 22 hinged to the bottom of a gas filter chamber body 1, an adjusting screw rod 20 is rotatably installed below the gas filter chamber body 1, the adjusting screw rod 20 can be driven by a driving assembly to rotate, a sliding block 21 is in threaded connection with the adjusting screw rod 20, a connecting rod 23 is hinged to the sliding block 21, and the end part of the connecting rod 23 is hinged to the clamping jaw 22; and the toxin filtering box 8 is fixedly arranged in the second cavity 37 of the toxin filtering chamber body 1.
The driving component comprises a first motor 5 arranged at the top of the toxin filtering chamber body 1, the shaft extension end of the first motor 5 is fixedly connected with the top end surface of a bidirectional worm 7, the bidirectional worm 7 extends into the toxin filtering chamber body 1, a worm wheel 6 is arranged on a rotating shaft of the movable cover plate 4, the worm wheel 6 is meshed with the bidirectional worm 7, the bottom end surface of the bidirectional worm 7 extends out of the bottom end surface of the toxin filtering chamber body 1, the lower end of the bidirectional worm 7 is connected with a first bevel gear 19, the first bevel gear 19 may mesh with a second bevel gear 34, the second bevel gear 34 being arranged at one end of the first transmission shaft 26, the other end of the first transmission shaft 26 is slidably sleeved in the adjusting screw rod 20 through a flat key, the first transmission shaft 26 is rotatably arranged on an expansion link of a first hydraulic cylinder 27, the first hydraulic cylinder 27 is arranged on the support leg 18, and the support leg 18 is arranged on the bottom end face of the detoxification chamber body 1.
A first opening and closing component capable of controlling air inlet of the air inlet 2 and a second opening and closing component capable of controlling air outlet of the air outlet 3 are arranged in the second cavity 37 of the poison filtering chamber body 1; the first opening and closing component is positioned between the air inlet 2 and the toxin filtering box 8, the second opening and closing component is positioned between the air outlet 3 and the toxin filtering box 8, and the first motor 5 drives the first opening and closing component to open and the second opening and closing component to open or close through the transmission component; the first opening and closing component comprises a first mesh plate 38, a second mesh plate 39, a first sliding rod 40, a second sliding rod 41, a first spring 42 and a first groove 43; the first mesh plate 38 is arranged in the second chamber 37 between the air inlet 2 and the toxin filtering box 8, and the second mesh plate 39 is arranged on the side wall of the first mesh plate 38 in a vertically sliding manner and can open and close the meshes of the first mesh plate 38; a first sliding rod 40 is arranged on the lower end face of the second mesh plate 39, the first sliding rod 40 is slidably arranged in a first groove 43, the first groove 43 is formed in the bottom wall of the interior of the toxin filtering chamber body 1, the bottom end face of the second mesh plate 39 is connected with the bottom end face of the first groove 43 through a first spring 42, and the first spring 42 is sleeved on a second sliding rod 41; a second sliding rod 41 is arranged on the top end face of the second mesh plate 39, the second sliding rod 41 can slidably penetrate through the upper end face and the lower end face of the partition plate 28 and extend into the first chamber 36, and the top end face of the second sliding rod 41 can be driven by a first power output end of the transmission assembly to slide up and down; the second opening and closing component comprises a third mesh plate 44, a fourth mesh plate 45, a third sliding rod 46, a fourth sliding rod 47, a second spring 48 and a second groove 49; the third mesh plate 44 is arranged in the second chamber 37 between the air outlet 3 and the toxin filtering box 8, and the fourth mesh plate 45 is arranged on the side wall of the third mesh plate 44 in a vertically sliding manner and can open and close the meshes of the third mesh plate 44; a third sliding rod 46 is arranged on the lower end face of the fourth mesh plate 45, the third sliding rod 46 is slidably arranged in a second groove 49, the second groove 49 is formed in the bottom wall of the interior of the toxin filtering chamber body 1, the bottom end face of the fourth mesh plate 45 is connected with the bottom end face of the second groove 49 through a second spring 48, and the second spring 48 is sleeved on the third sliding rod 46; a fourth sliding rod 47 is arranged on the top end face of the fourth mesh plate 45, the fourth sliding rod 47 can slidably penetrate through the upper end face and the lower end face of the partition plate 28 and extend into the first chamber 36, and the top end face of the fourth sliding rod 47 can be driven by a second power output end of the transmission assembly to slide up and down; the transmission assembly comprises a third bevel gear 31, a fourth bevel gear 35, a first cam 32, a second cam 33, a second transmission shaft 29, a second hydraulic cylinder 30, a bearing 50, a first guide inclined surface 51, a second guide inclined surface 52, a third guide inclined surface 53 and a fourth guide inclined surface 54; a bearing 50 is fixed in the first chamber 36, the axial direction of the bearing 50 is parallel to the flowing direction of the gas, the second transmission shaft 29 is slidably arranged in the bearing 50, the second transmission shaft 29 is connected with an expansion link of a second hydraulic cylinder 30 through a connecting rod, and the second hydraulic cylinder 30 is arranged on the top wall of the first chamber 36; the bidirectional worm 7 is further provided with a third bevel gear 31, the third bevel gear 31 can be meshed with a fourth bevel gear 35, the fourth bevel gear 35 is arranged on the second transmission shaft 29, the second transmission shaft 29 is further provided with a first cam 32 and a second cam 33, the first cam 32 can be matched with the top end face of the second slide bar 41, and the second cam 33 can be matched with the top end face of the fourth slide bar 47; a first guide inclined plane 51 is arranged on the first cam 32, a second guide inclined plane 52 is arranged on the second slide bar 41, and the first guide inclined plane 51 and the second guide inclined plane 52 can be matched to drive the second slide bar 41 to slide; a third guide inclined plane 53 is arranged on the second cam 33, a fourth guide inclined plane 54 is arranged on the fourth slide bar 47, and the third guide inclined plane 53 can be matched with the fourth guide inclined plane 54 to drive the fourth slide bar 47 to slide; when the third bevel gear 31 is engaged with the fourth bevel gear 35, the first cam 32 is engaged with the top end surface of the second slide bar 41, the second cam 33 is engaged with the top end surface of the fourth slide bar 47, at this time, the extension distance of the extension bar of the second hydraulic cylinder 30 is a, when the first cam 32 is disengaged from the top end surface of the second slide bar 41, the extension distance of the extension bar of the second hydraulic cylinder 30 is b, when the second cam 33 is disengaged from the top end surface of the fourth slide bar 47, the extension distance of the extension bar of the second hydraulic cylinder 30 is c, and b-a < c-a.
The working principle is as follows: when the civil air defense engineering needs to filter the toxic gas, the body 1 of the toxicity filtering chamber is moved to the air inlet position of the civil air defense engineering, the first motor 5 is started to rotate forwardly to drive the worm wheel 6 to rotate through the bidirectional worm 7, so that the movable cover plate 4 is driven to be opened, meanwhile, the first cam 32 and the second cam 33 are driven through the meshing of the third bevel gear 31 and the fourth bevel gear 35, so that the first opening and closing component and the second opening and closing component are driven to be opened, the toxic gas can enter the second cavity 37 of the toxicity filtering chamber body 1 to start toxic gas filtering, meanwhile, the bidirectional worm 7 rotates through the meshing of the first bevel gear 19 and the second bevel gear 34, the adjusting screw rod 20 can be driven to rotate synchronously, the sliding block 21 is driven to move transversely, the clamping jaws 22 are driven to be opened through the connecting rods 23, and the tail ends of the clamping jaws 22 are embedded into the; when the toxic gas is not filtered thoroughly, the second hydraulic cylinder 30 is started to drive the first cam 32 and the second cam 33 to move, so that the combination of the opening and closing of the first opening and closing component and the opening and closing of the second opening and closing component is controlled, the filtering time can be prolonged, and the filtering effect is improved; when the concentration of the toxic gas is too high, the first hydraulic cylinder 27 is started, so that the first transmission shaft 26 is driven to slide in the adjusting screw rod 20, the first bevel gear 19 and the second bevel gear 34 are driven to be disengaged, the first motor 5 is started to rotate reversely, and the movable cover plate 4 can be driven to be closed.
Referring to fig. 1 and 8, the removable human air defense poison filtering chamber further includes:
a sterilizing assembly installed inside the second chamber 37 of the detoxification chamber body 1;
a cleaning assembly installed inside the second chamber 37 of the detoxification chamber body 1;
and the moving assembly is arranged at the bottom of the toxin filtering chamber body 1.
The sterilizing component comprises a liquid medicine box 9 fixedly mounted at the top of the toxin filtering chamber body 1, a hollow rotating shaft 10 is mounted in a second cavity 37 of the toxin filtering chamber body 1, the hollow rotating shaft 10 penetrates through a first cavity 36 and penetrates through the inner wall and the outer wall of the toxin filtering chamber body 1, a screwed joint is mounted at the top end of the hollow rotating shaft 10, a booster pump is mounted inside the liquid medicine box 9, a water outlet of the booster pump is connected with the screwed joint at the top of the hollow rotating shaft 10 through a pipeline, a diverter disc 11 is mounted at the lower end of the hollow rotating shaft 10, the diverter disc 11 is hollow, the diverter disc 11 is communicated with the hollow rotating shaft 10, and atomizing spray heads 12 are distributed on the lower surface of the diverter disc 11; the disinfectant in the liquid medicine box 9 can be conveyed to the splitter plate 11 by the booster pump, and then is sprayed out by the atomizing spray head 12 to sterilize and disinfect the air in the toxin filtering chamber body 1.
The cleaning assembly comprises a second motor 13 fixedly mounted at the top of the toxin filtering chamber body 1, the shaft extension end of the second motor 13 is fixedly connected with the top end face of a lifting screw rod 14, the bottom end face of the lifting screw rod 14 penetrates through a first cavity 36 and penetrates through a partition plate 28 to extend into a second cavity 37, the lifting screw rod 14 is connected with the hollow rotating shaft 10 through a transmission belt, a lifting block 16 is connected with the lifting screw rod 14 in a threaded manner, a guide rod 15 penetrates through the lifting block 16, the upper end and the lower end of the guide rod 15 are fixedly connected with the top and the bottom of the toxin filtering chamber body 1 respectively, the lifting block 16 is connected with the guide rod 15 in a sliding manner, a brush 17 is fixedly mounted on the side wall of the lifting block 16, and bristles on the brush 17 are abutted to the toxin filtering box 8; the second motor 13 is started to rotate positively and negatively, the lifting screw rod 14 can be driven to rotate positively and negatively, the hollow rotating shaft 10 is driven to rotate positively and negatively through a transmission belt, the flow distribution disc 11 is driven to rotate positively and negatively, the spraying range is enlarged, the lifting screw rod 14 can drive the lifting block 16 to move up and down while rotating positively and negatively, the brush 17 is driven to move up and down, the surface of the poison filtering box 8 is cleaned through the brush 17, and the surface of the poison filtering box 8 is prevented from being blocked by dust.
The moving assembly comprises an electric telescopic rod 24 arranged on the side wall of the supporting leg 18, and a universal wheel 25 is mounted on the telescopic rod of the electric telescopic rod 24; the electric telescopic rod 24 is started to extend to drive the universal wheel 25 to move downwards, so that the universal wheel 25 is in contact with the ground, and the equipment is convenient to push to move.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Claims (7)

1. A removable personal air defense canister, comprising:
the gas-liquid separation device comprises a poison filtering chamber body (1), wherein a gas inlet (2) is formed in one side of the poison filtering chamber body (1), a gas outlet (3) is formed in the other side of the poison filtering chamber body (1), a partition plate (28) is arranged in the poison filtering chamber body (1), and the partition plate (28) divides the interior of the poison filtering chamber body (1) into a first cavity (36) and a second cavity (37);
the movable cover plate (4) is rotatably arranged on the outer side wall of the toxin filtering chamber body (1) through a rotating shaft, and corresponds to the air inlet (2);
the driving assembly is arranged inside the toxin filtering chamber body (1) and is used for driving the movable cover plate (4) to open and close;
the device comprises a clamping assembly, wherein the clamping assembly comprises a clamping jaw (22) hinged to the bottom of a toxin filtering chamber body (1), an adjusting screw rod (20) is rotatably installed below the toxin filtering chamber body (1), the adjusting screw rod (20) can be driven by a driving assembly to rotate, a sliding block (21) is in threaded connection with the adjusting screw rod (20), a connecting rod (23) is hinged to the sliding block (21), and the end part of the connecting rod (23) is hinged to the clamping jaw (22);
the toxin filtering box (8), the toxin filtering box (8) is fixedly arranged in the second cavity (37) of the toxin filtering chamber body (1).
2. The detachable civil air defense canister according to claim 1, wherein the driving component comprises a first motor (5) arranged on the top of the canister body (1), the shaft extension end of the first motor (5) is fixedly connected with the top end surface of a bidirectional worm (7), the bidirectional worm (7) extends into the canister body (1), a worm wheel (6) is installed on the rotating shaft of the movable cover plate (4), the worm wheel (6) is meshed with the bidirectional worm (7), the bottom end surface of the bidirectional worm (7) extends out of the bottom end surface of the canister body (1), the lower end of the bidirectional worm (7) is connected with a first bevel gear (19), the first bevel gear (19) can be meshed with a second bevel gear (34), the second bevel gear (34) is arranged at one end of a first transmission shaft (26), the other end of the first transmission shaft (26) is slidably sleeved in the adjusting screw rod (20) through a flat key, the first transmission shaft (26) is rotatably arranged on an expansion rod of a first hydraulic cylinder (27), the first hydraulic cylinder (27) is arranged on a support leg (18), and the support leg (18) is arranged on the bottom end face of the toxin filtering chamber body (1).
3. The removable civil air defense canister of claim 1, wherein the second chamber (37) of the canister body (1) is further provided with a first opening and closing component for controlling air inlet of the air inlet (2) and a second opening and closing component for controlling air outlet of the air outlet (3);
the first opening and closing component is positioned between the air inlet (2) and the toxin filtering box (8), the second opening and closing component is positioned between the air outlet (3) and the toxin filtering box (8), and the first motor (5) drives the first opening and closing component to open and the second opening and closing component to open or close through the transmission component;
the first opening and closing assembly comprises a first mesh plate (38), a second mesh plate (39), a first sliding rod (40), a second sliding rod (41), a first spring (42) and a first groove (43);
the first mesh plate (38) is arranged in a second chamber (37) between the air inlet (2) and the toxin filtering box (8), and the second mesh plate (39) can be arranged on the side wall of the first mesh plate (38) in a vertically sliding mode and can open and close meshes of the first mesh plate (38);
a first sliding rod (40) is arranged on the lower end face of the second mesh plate (39), the first sliding rod (40) is arranged in a first groove (43) in a sliding manner, the first groove (43) is formed in the bottom wall of the interior of the toxin filtering chamber body (1), the bottom end face of the second mesh plate (39) is connected with the bottom end face of the first groove (43) through a first spring (42), and the first spring (42) is sleeved on the second sliding rod (41);
a second sliding rod (41) is arranged on the top end face of the second mesh plate (39), the second sliding rod (41) can slidably penetrate through the upper end face and the lower end face of the partition plate (28) and extend into the first chamber (36), and the top end face of the second sliding rod (41) can be driven by a first power output end of the transmission assembly to slide up and down;
the second opening and closing assembly comprises a third mesh plate (44), a fourth mesh plate (45), a third sliding rod (46), a fourth sliding rod (47), a second spring (48) and a second groove (49);
the third mesh plate (44) is arranged in the second chamber (37) between the air outlet (3) and the toxin filtering box (8), and the fourth mesh plate (45) is arranged on the side wall of the third mesh plate (44) in a vertically sliding manner and can open and close the meshes of the third mesh plate (44);
a third sliding rod (46) is arranged on the lower end face of the fourth mesh plate (45), the third sliding rod (46) is arranged in a second groove (49) in a sliding manner, the second groove (49) is formed in the bottom wall of the interior of the toxin filtering chamber body (1), the bottom end face of the fourth mesh plate (45) is connected with the bottom end face of the second groove (49) through a second spring (48), and the second spring (48) is sleeved on the third sliding rod (46);
a fourth sliding rod (47) is arranged on the top end face of the fourth mesh plate (45), the fourth sliding rod (47) can slidably penetrate through the upper end face and the lower end face of the partition plate (28) and extend into the first chamber (36), and the top end face of the fourth sliding rod (47) can be driven by a second power output end of the transmission assembly to slide up and down;
the transmission assembly comprises a third bevel gear (31), a fourth bevel gear (35), a first cam (32), a second cam (33), a second transmission shaft (29), a second hydraulic cylinder (30), a bearing (50), a first guide inclined plane (51), a second guide inclined plane (52), a third guide inclined plane (53) and a fourth guide inclined plane (54);
a bearing (50) is fixed in the first chamber (36), the axis direction of the bearing (50) is parallel to the flowing direction of the gas, the second transmission shaft (29) is arranged in the bearing (50) in a sliding manner, the second transmission shaft (29) is connected with an expansion rod of a second hydraulic cylinder (30) through a connecting rod, and the second hydraulic cylinder (30) is arranged on the top wall of the first chamber (36);
the bidirectional worm (7) is further provided with a third bevel gear (31), the third bevel gear (31) can be meshed with a fourth bevel gear (35), the fourth bevel gear (35) is arranged on a second transmission shaft (29), the second transmission shaft (29) is further provided with a first cam (32) and a second cam (33), the first cam (32) can be matched with the top end face of a second sliding rod (41), and the second cam (33) can be matched with the top end face of a fourth sliding rod (47);
a first guide inclined plane (51) is arranged on the first cam (32), a second guide inclined plane (52) is arranged on the second sliding rod (41), and the first guide inclined plane (51) and the second guide inclined plane (52) can be matched to drive the second sliding rod (41) to slide;
a third guide inclined plane (53) is arranged on the second cam (33), a fourth guide inclined plane (54) is arranged on the fourth sliding rod (47), and the third guide inclined plane (53) can be matched with the fourth guide inclined plane (54) to drive the fourth sliding rod (47) to slide;
when the third bevel gear (31) is meshed with the fourth bevel gear (35), the first cam (32) is matched with the top end surface of the second slide bar (41), the second cam (33) is matched with the top end surface of the fourth slide bar (47), the extending distance of the extending rod of the second hydraulic cylinder (30) is a, when the first cam (32) is disengaged from the top end surface of the second slide bar (41), the extending distance of the extending rod of the second hydraulic cylinder (30) is b, when the second cam (33) is disengaged from the top end surface of the fourth slide bar (47), the extending distance of the extending rod of the second hydraulic cylinder (30) is c, and b-a is less than c-a.
4. A personal protective device including a removable personal protective air trap as claimed in any one of claims 1 to 3, further comprising:
a sterilization assembly mounted inside the second chamber (37) of the detoxification chamber body (1);
a cleaning assembly mounted inside the second chamber (37) of the detoxification chamber body (1);
the moving assembly is arranged at the bottom of the toxin filtering chamber body (1).
5. A personal protective equipment according to claim 4, wherein the sterilizing assembly comprises a liquid medicine tank (9) fixedly mounted on the top of the body (1) of the disinfection chamber, a hollow rotating shaft (10) is arranged in a second cavity (37) of the toxin filtering chamber body (1), the hollow rotating shaft (10) passes through the first chamber (36) and penetrates through the inner wall and the outer wall of the toxin filtering chamber body (1), a rotary joint is arranged at the top end of the hollow rotating shaft (10), a booster pump is arranged in the liquid medicine tank (9), a water outlet of the booster pump is connected with the rotary joint at the top of the hollow rotating shaft (10) through a pipeline, the lower end of the hollow rotating shaft (10) is provided with a diverter disc (11), the interior of the diverter disc (11) is hollow, the flow distribution disc (11) is communicated with the hollow rotating shaft (10), and the lower surface of the flow distribution disc (11) is distributed with atomizing nozzles (12).
6. The civil air defense device according to claim 5, wherein the cleaning assembly comprises a second motor (13) fixedly mounted on the top of the toxin filtering chamber body (1), the shaft extension end of the second motor (13) is fixedly connected with the top end face of a lifting screw rod (14), the bottom end face of the lifting screw rod (14) passes through a first cavity (36) and penetrates through a partition plate (28) to extend into a second cavity (37), the lifting screw rod (14) is connected with the hollow rotating shaft (10) through a transmission belt, a lifting block (16) is in threaded connection with the lifting screw rod (14), a guide rod (15) penetrates through the lifting block (16), the upper end and the lower end of the guide rod (15) are fixedly connected with the top and the bottom of the toxin filtering chamber body (1) respectively, the lifting block (16) is in sliding connection with the guide rod (15), and a brush (17) is fixedly mounted on the side wall of the lifting block (16), the bristles on the brush (17) are abutted against the toxin filtering box (8).
7. A personal protective equipment according to claim 6, characterized in that the moving assembly comprises an electric telescopic rod (24) arranged on the side wall of the supporting foot (18), and the telescopic rod of the electric telescopic rod (24) is provided with a universal wheel (25).
CN202011516645.2A 2020-12-21 2020-12-21 Detachable civil air defense poison filtering room and civil air defense equipment Active CN112807879B (en)

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Application Number Priority Date Filing Date Title
CN202011516645.2A CN112807879B (en) 2020-12-21 2020-12-21 Detachable civil air defense poison filtering room and civil air defense equipment

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Application Number Priority Date Filing Date Title
CN202011516645.2A CN112807879B (en) 2020-12-21 2020-12-21 Detachable civil air defense poison filtering room and civil air defense equipment

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CN112807879B CN112807879B (en) 2023-04-18

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030155286A1 (en) * 2002-02-08 2003-08-21 Wilcher Stephen B. Filter screen assembly
CN1558417A (en) * 2003-01-31 2004-12-29 索尼株式会社 Recording and/or playback device
CN102352585A (en) * 2011-08-26 2012-02-15 中铁一局集团有限公司 Transverse adjusting and locating device of high-speed railway ballastless turnout
CN206695283U (en) * 2017-04-18 2017-12-01 广州南欣空调机电科技有限公司 A kind of clean air-conditioning return air blowing system of low speed stabilizing
CN108151179A (en) * 2018-01-06 2018-06-12 孔令聪 It is a kind of that the air cleaning system for adjusting purification can be corresponded to according to indoor environment
CN108786350A (en) * 2018-06-21 2018-11-13 佛山舒宜添科技有限公司 A kind of exhaust gas processing device for environmental protection
CN111392661A (en) * 2020-03-29 2020-07-10 国网河北省电力有限公司故城县供电分公司 Special equipment for power rush repair under complex conditions
CN211901750U (en) * 2020-02-24 2020-11-10 芮荣军 Valve convenient to adjust flow

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030155286A1 (en) * 2002-02-08 2003-08-21 Wilcher Stephen B. Filter screen assembly
CN1558417A (en) * 2003-01-31 2004-12-29 索尼株式会社 Recording and/or playback device
CN102352585A (en) * 2011-08-26 2012-02-15 中铁一局集团有限公司 Transverse adjusting and locating device of high-speed railway ballastless turnout
CN206695283U (en) * 2017-04-18 2017-12-01 广州南欣空调机电科技有限公司 A kind of clean air-conditioning return air blowing system of low speed stabilizing
CN108151179A (en) * 2018-01-06 2018-06-12 孔令聪 It is a kind of that the air cleaning system for adjusting purification can be corresponded to according to indoor environment
CN108786350A (en) * 2018-06-21 2018-11-13 佛山舒宜添科技有限公司 A kind of exhaust gas processing device for environmental protection
CN211901750U (en) * 2020-02-24 2020-11-10 芮荣军 Valve convenient to adjust flow
CN111392661A (en) * 2020-03-29 2020-07-10 国网河北省电力有限公司故城县供电分公司 Special equipment for power rush repair under complex conditions

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