CN113967331A - Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishing - Google Patents

Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishing Download PDF

Info

Publication number
CN113967331A
CN113967331A CN202111387675.2A CN202111387675A CN113967331A CN 113967331 A CN113967331 A CN 113967331A CN 202111387675 A CN202111387675 A CN 202111387675A CN 113967331 A CN113967331 A CN 113967331A
Authority
CN
China
Prior art keywords
fire
propelled
self
dryer
wind
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111387675.2A
Other languages
Chinese (zh)
Other versions
CN113967331B (en
Inventor
刘九庆
杨春梅
王成
马亚强
刘彤彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northeast Forestry University
Original Assignee
Northeast Forestry University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northeast Forestry University filed Critical Northeast Forestry University
Priority to CN202111387675.2A priority Critical patent/CN113967331B/en
Publication of CN113967331A publication Critical patent/CN113967331A/en
Application granted granted Critical
Publication of CN113967331B publication Critical patent/CN113967331B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0207Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires by blowing air or gas currents with or without dispersion of fire extinguishing agents; Apparatus therefor, e.g. fans
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C27/00Fire-fighting land vehicles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/02Nozzles specially adapted for fire-extinguishing
    • A62C31/03Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/28Accessories for delivery devices, e.g. supports
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishment, relates to the technical field of forest fire-preventing and fire-extinguishing devices, and solves the problems that fire-extinguishing risks of fire-fighting personnel are high, potential safety hazards are large, physical power consumption is high, an existing crawler type wind power fire-extinguishing machine is difficult to enter a fire area or run in the fire area, fire-extinguishing efficiency of a fan is low, consumed power is large and the like in fire extinguishment, and the self-propelled drainage type wind power fire-extinguishing robot comprises: crawler travel chassis mechanism, promote and rotate rack platform, high-pressure centrifugal fan, the dryer and the power portion of putting out a fire, self-propelled drainage formula wind-force fire-fighting robot can walk at complicated topography through the walking track, and is small, and the quality is light, effectively increases wind pressure and amount of wind through the dryer of putting out a fire, reduces high-pressure centrifugal fan's power consumption, can adjust the position of putting out a fire through promoting to rotate rack platform, can realize computer remote control simultaneously, guarantees fire fighter safety.

Description

Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishing
Technical Field
The invention relates to the technical field of forest fire prevention and extinguishing devices, in particular to a self-propelled drainage type wind power fire extinguishing robot applied to forest fire extinguishing.
Background
The fire extinguishing resource taken by the wind fire extinguisher during working is air in the atmosphere, and the backpack and handheld wind fire extinguishers have the great advantage of being not limited by conditions such as fire extinguishing resources, work sites, water sources and the like during fire extinguishing work. In addition, fire fighters have certain potential safety hazards during the process of extinguishing a fire in a fire scene, and when the fire fighters are on fire, the fire fighters are difficult to enter when the fire fighters are at a height of more than 1.5m or the grass plants are at a height of more than 1m, the fire extinguishing effect of the backpack or handheld fire extinguisher is poor, hidden fire can exist in some areas, large fire fighting equipment is not needed, the existing fire extinguisher mostly adopts the modes of water storage fire extinguishing and foam fire extinguishing, the size is large, partial areas cannot enter the fire extinguishing mode to extinguish the fire, the fire area cannot be continuously extinguished, the fan is light in weight, long-time continuous fire extinguishing work can be performed, but the low fire extinguishing efficiency of the fan causes large power consumption, and meanwhile, the wheel type design is difficult to run in partial areas.
In conclusion, fire fighters are high in fire extinguishing risk, large in potential safety hazard and high in physical consumption, an existing fire extinguisher is difficult to enter a fire area or run in the fire area, and a fan is low in fire extinguishing efficiency, needs to consume large power and the like.
Disclosure of Invention
In view of the above problems, the present invention provides a self-propelled drainage type wind fire-fighting robot for forest fire-fighting.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a self-propelled drainage formula wind-force fire extinguishing robot for forest is put out a fire, wherein, includes: crawler-belt walking chassis mechanism 1, promote to rotate rack platform 2, high-pressure centrifugal fan 3, the dryer 4 and the power portion 5 of putting out a fire, crawler-belt walking chassis mechanism 1 includes: a chassis supporting frame 11 and a walking crawler 12, wherein the walking crawler 12 is arranged on both sides of the chassis supporting frame 11, the self-propelled drainage type wind power fire-extinguishing robot moves through the walking tracks 12 positioned at the two sides of the chassis supporting frame 11, the pushing rotary rack platform 2 is arranged on the chassis supporting frame 11, at least one high-pressure centrifugal fan 3 and at least one fire-extinguishing air cylinder 4 are arranged on the pushing rotary rack platform 2, an air outlet 34 of each fire-extinguishing air cylinder 4 and one high-pressure centrifugal fan 3 are operatively and movably connected through a plurality of loose piece buckles 45, the air quantity and the air pressure in the fire extinguishing air cylinder 4 are adjusted by adjusting the distance between the air outlet 34 of the high-pressure centrifugal fan 3 and the fire extinguishing air cylinder 4, the walking crawler 12, the pushing and rotating frame 2 and the high-pressure centrifugal fan 3 are all connected with the power part 5.
Foretell be applied to self-propelled drainage formula wind-force fire-extinguishing robot that forest was put out a fire, wherein, it includes to promote to rotate rack platform 2: the support body 21 is arranged on the chassis supporting frame 11, and the support body 21 is provided with a sliding mounting plate which can operate to slide on the support body 21.
Foretell be applied to self-propelled drainage formula wind-force fire-extinguishing robot that forest was put out a fire, wherein, it still includes to promote to rotate rack platform 2: the rotary table rotating mechanism 23 and bear the seat 24, the rotary table rotating mechanism 23 is installed on the sliding mounting board, bear the seat 24 and install on the rotary table rotating mechanism 23, bear the seat 24 through the rotary table rotating mechanism 23 operationally in vertical plane rotation, a plurality of high pressure centrifugal fan 3 is installed bear on the seat 24.
Foretell be applied to self-propelled drainage formula wind-force fire-extinguishing robot that forest was put out a fire, wherein, it still includes to promote to rotate rack platform 2: first driving motor and lead screw pushing mechanism 22, lead screw pushing mechanism 22's stiff end is installed on the support body 21, install on the stiff end first driving motor, lead screw pushing mechanism 22's promotion end with sliding mounting panel connects, first driving motor with power portion 5 connects.
Foretell be applied to self-propelled drainage formula wind-force fire extinguishing robot that forest was put out a fire, wherein, revolving stage slewing mechanism 23 includes: the sliding mounting plate is provided with two turntable supporting bearing seats 233, the two ends of each turntable supporting bearing 234 are respectively arranged in one turntable supporting bearing seat 233, and the lower surface of the bearing seat 24 is connected with the middle part of the turntable supporting bearing 234.
Foretell be applied to self-propelled drainage formula wind-force fire extinguishing robot that forest was put out a fire, wherein, revolving stage slewing mechanism 23 still includes: a rack and pinion auxiliary rotating mechanism 235, the rack and pinion auxiliary rotating mechanism 235 comprising: rack portion and gear portion of intermeshing, the gear portion install on the revolving stage supports the axle 234, be equipped with the slide rail on the slidable mounting panel, rack portion passes through the slide rail with slidable mounting panel sliding connection.
Foretell be applied to self-propelled drainage formula wind-force fire extinguishing robot that forest was put out a fire, wherein, revolving stage slewing mechanism 23 still includes: second driving motor, worm gear bearing frame 231 and worm gear structure 232 install two worm gear bearing frames 231 on the sliding mounting board, and worm gear structure 232 includes: the worm part and the worm wheel part are meshed with each other, two ends of the worm part are respectively installed in one worm wheel bearing seat 231, the worm wheel part is installed on the turntable supporting shaft 234, the worm part is connected with the second driving motor, and the second driving motor is connected with the power part 5.
Foretell be applied to self-propelled drainage formula wind-force fire extinguishing robot that forest was put out a fire, wherein, each high-pressure centrifugal fan 3 includes: power component 31, fan spiral case 32 and impeller 33, be equipped with air outlet 34 on the fan spiral case 32, fan spiral case 32 is installed bear on the seat 24, install on the fan spiral case 32 power component 31, be equipped with in the fan spiral case 32 and be connected with power component 31's drive end impeller 33, power component 31 with power portion 5 connects.
Foretell be applied to self-propelled drainage formula wind-force fire extinguishing machines people that forest was put out a fire, wherein, the dryer 4 of putting out a fire includes: third driving motor, supplementary dryer rotating-structure 41 of rack and pinion, crank hinge 42, dryer connecting device 43 and toper dryer mechanism 44, the air intake and an air outlet 34 of each toper dryer mechanism 44 pass through a plurality of loose piece buckles 45 sliding connection, and a plurality of toper dryer mechanisms 44 pass through dryer connecting device 43 connects, the one end of crank hinge 42 with dryer connecting device 43 rotates the connection, supplementary dryer rotating-structure 41 of rack and pinion includes: mutually meshed air duct adjusting gears and air duct adjusting racks, the other end of the crank hinge 42 is connected with the air duct adjusting gears, the air duct adjusting racks are installed on the bearing seat 24, the air duct adjusting gears are connected with the third driving motor, and the third driving motor is connected with the power part (5).
Foretell self-propelled drainage formula wind-force fire extinguishing robot that is applied to forest and puts out a fire, wherein, still include: visual imaging device, controlling means and signal transceiver, visual imaging device control system with signal transceiver all installs on support body 21, visual imaging device control system with signal transceiver all with power portion 5 is connected, walking track 12 promote to rotate rack platform 2 high-pressure centrifugal fan 3 visual imaging device with signal transceiver all with controlling system connects, visual imaging device with signal transceiver connects, visual imaging device is used for right the self-propelled wind-force fire extinguishing robot's of drainage surrounding environment monitors, controlling means passes through signal transceiver and computer connection, controlling system is used for controlling self-propelled wind-force fire extinguishing robot's walking, control promote to rotate rack platform 2 adjustment position of putting out a fire and put out a fire size and control high-pressure centrifugal fan 3 On and off.
Due to the adoption of the technology, compared with the prior art, the invention has the following positive effects:
(1) the fire scene fire extinguishing robot can select a manual driving or remote control operation mode according to the size of the fire scene, namely when the fire scene is small and people cannot generate danger when entering the fire scene, the robot can be manually driven to enter the fire scene for extinguishing fire; when the fire scene is large and people operate machines to be dangerous, the remote control robot can be selected to enter the fire scene to extinguish fire;
(2) through manual operation or remote control through the regulation to the guide rail lead screw pushing mechanism and the rack and pinion auxiliary rotating mechanism who promotes rotation rack platform, realize that the back-and-forth movement and the luffing motion of the dryer of putting out a fire adjust the best point of putting out a fire and the angle of putting out a fire, and simultaneously, the distance between first air outlet of loose piece buckle control and the tapered dryer mechanism is passed through to the condition of a fire of difference, thereby control high pressure centrifugal fan and put out a fire the distance between the dryer and adjust the air input of air, effectively increase the wind speed, amount of wind and wind pressure, thereby improve fire extinguishing efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishing.
Fig. 2 is an axonometric view of the self-propelled drainage type wind power fire-fighting robot applied to forest fire fighting.
Fig. 3 is a schematic front view of a self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishing.
Fig. 4 is a schematic side view of the self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishing.
Fig. 5 is a rear view schematic diagram of the self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishing.
Fig. 6 is a schematic top view of the self-propelled drainage type wind power fire-fighting robot applied to forest fire fighting.
In the drawings: 1. a crawler travel mechanism; 11. a chassis support frame; 12. a walking crawler belt; 2. pushing the rotating frame table; 21. a frame body; 22. a guide rail screw rod pushing mechanism; 23. a turntable rotating mechanism; 231. a worm gear bearing seat; 232. a worm and gear structure; 233. the turntable supports the bearing seat; 234. a turntable supporting shaft; 235. a rack and pinion auxiliary rotating mechanism; 24. a bearing seat; 3. a high pressure centrifugal fan; 31. a power assembly; 32. a fan volute; 33. an impeller; 34. an air outlet; 4. a fire extinguishing wind barrel; 41. the gear rack assists the wind tunnel to rotate the structure; 42. a crank hinge; 43. an air duct connecting device; 44. a conical air duct structure; 45. a loose piece is buckled; 5. a power section.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 to 6, a self-propelled drainage type wind fire-fighting robot applied to forest fire-fighting is shown, wherein the self-propelled drainage type wind fire-fighting robot comprises: crawler-belt walking chassis mechanism 1, promote to rotate rack platform 2, high-pressure centrifugal fan 3, put out a fire dryer 4 and power portion 5, crawler-belt walking chassis mechanism 1 includes: chassis support frame 11 and walking track 12, walking track 12 is all installed to chassis support frame 11's both sides, self-propelled drainage formula wind-force fire-extinguishing robot removes through the walking track 12 that is located chassis support frame 11 both sides, promote to rotate rack platform 2 and install on chassis support frame 11, promote to rotate and install at least one high-pressure centrifugal fan 3 and at least one dryer 4 of putting out a fire on rack platform 2, each air outlet 34 of dryer 4 and a high-pressure centrifugal fan 3 of putting out a fire is through the operable swing joint of a plurality of loose pieces buckle 45, interval between 34 and the dryer 4 of putting out a fire of air outlet through adjusting high-pressure centrifugal fan 3 is with the amount of wind and the wind pressure in adjusting the dryer 4 of putting out a fire, walking track 12, promote to rotate rack platform 2 and high-pressure centrifugal fan 3 and all be connected with power portion 5.
Further, in a preferred embodiment, the push-turn gantry 2 comprises: the frame body 21, the frame body 21 is installed on chassis support frame 11, installs the slidable mounting panel on the frame body 21, and the slidable mounting panel is operatable and slides on the frame body 21.
Further, in a preferred embodiment, the pushing and rotating frame 2 further comprises: the rotary table rotating mechanism 23 and bear the seat 24, the rotary table rotating mechanism 23 is installed on the sliding mounting board, bear the seat 24 and install on the rotary table rotating mechanism 23, bear the seat 24 and can operationally rotate in the vertical plane through the rotary table rotating mechanism 23, a plurality of high-pressure centrifugal fan 3 are installed on bearing the seat 24.
Further, in a preferred embodiment, the pushing and rotating frame 2 further comprises: first driving motor and guide rail lead screw pushing mechanism 22, the stiff end of guide rail lead screw pushing mechanism 22 is installed on support body 21, installs first driving motor on the stiff end, and guide rail lead screw pushing mechanism 22's promotion end and sliding mounting board are connected, and first driving motor is connected with power portion 5.
Further, in a preferred embodiment, the turntable rotating mechanism 23 includes: the sliding mounting plate is provided with two turntable supporting bearing seats 233, two ends of the turntable supporting shaft 234 are respectively arranged in one turntable supporting bearing seat 233, and the lower surface of the bearing seat 24 is connected with the middle part of the turntable supporting shaft 234.
Further, in a preferred embodiment, the turntable rotating mechanism 23 further includes: rack and pinion auxiliary rotating mechanism 235, rack and pinion auxiliary rotating mechanism 235 includes: and the rack part and the gear part are meshed with each other, the gear part is installed on the turntable supporting shaft 234, the sliding mounting plate is provided with a sliding rail, and the rack part is connected with the sliding mounting plate in a sliding mode through the sliding rail.
Further, in a preferred embodiment, the turntable rotating mechanism 23 further includes: second driving motor, worm gear bearing frame 231 and worm gear structure 232 install two worm gear bearing frames 231 on the sliding mounting board, and worm gear structure 232 includes: the worm gear part and the worm wheel part are meshed with each other, two ends of the worm wheel part are respectively installed in a worm wheel bearing seat 231, the worm wheel part is installed on the turntable supporting shaft 234 and is connected with the second driving motor, and the second driving motor is connected with the power part 5.
Further, in a preferred embodiment, each high-pressure centrifugal fan 3 comprises: the fan volute 32 is provided with an air outlet 34, the fan volute 32 is mounted on the bearing seat 24, the fan volute 32 is provided with the power component 31, the fan volute 32 is internally provided with the impeller 33 connected with the driving end of the power component 31, and the power component 31 is connected with the power part 5.
Further, in a preferred embodiment, the fire extinguishing air duct 4 includes: third driving motor, supplementary dryer rotating-structure 41 of rack and pinion, crank hinge 42, dryer connecting device 43 and toper dryer mechanism 44, the air intake and an air outlet 34 of each toper dryer mechanism 44 are through 45 sliding connection of a plurality of loose pieces buckle, and a plurality of toper dryer mechanisms 44 pass through dryer connecting device 43 and connect, and crank hinge 42's one end and dryer connecting device 43 rotate to be connected, and rack and pinion assists dryer rotating-structure 41 to include: the other end of the crank hinge 42 is connected with the air duct adjusting gear, the air duct adjusting rack is installed on the bearing seat 24, the air duct adjusting gear is connected with a third driving motor, and the third driving motor is connected with the power part 5.
Further, in a preferred embodiment, the method further comprises: visual imaging device, controlling means and signal transceiver, visual imaging device, control system and signal transceiver all install on support body 21, visual imaging device, control system and signal transceiver all are connected with power part 5, walking track 12, promote to rotate rack platform 2, high-pressure centrifugal fan 3, visual imaging device and signal transceiver all are connected with control system, visual imaging device and signal transceiver are connected, visual imaging device is used for monitoring self-propelled drainage formula wind-force fire extinguishing robot's surrounding environment, control system passes through signal transceiver and computer connection, control system is used for controlling the walking of self-propelled drainage formula wind-force fire extinguishing robot, control promotes to rotate rack platform 2 and adjusts the position of putting out a fire and put out a fire wind-force size and control opening and closing of high-pressure centrifugal fan 3.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the invention, the fan and the air cylinder are separated, and the novel self-propelled drainage type wind power fire-extinguishing robot which can obviously improve the fire-extinguishing efficiency and is applied to forest fire extinguishment is designed, so that the forest fire-extinguishing efficiency can be greatly improved.
In a further embodiment of the present invention, a novel self-propelled drainage type wind fire-fighting robot applied to forest fire-fighting comprises:
a crawler traveling chassis mechanism 1;
the crawler belt type traveling mechanism comprises a crawler belt type traveling mechanism 1, a pushing rotating machine frame 2, a high-pressure centrifugal fan 3, a driving rotating machine frame 2, a driving rotating machine frame and a driving rotating machine frame, wherein the pushing rotating machine frame 2 is fixedly installed on the front side of the middle part of the crawler belt type traveling mechanism 1, and the upper end of the pushing rotating machine frame 2 is fixedly connected with the high-pressure centrifugal fan 3;
the high-pressure centrifugal fan 3 is fixedly arranged on the front side of the middle part of the pushing and rotating rack table, and an air outlet 34 at the top end of the high-pressure centrifugal fan 3 is connected with the fire extinguishing air cylinder 4 through a loose piece buckle 45;
and the power part 5, wherein the power part 5 is fixedly arranged on the crawler walking chassis mechanism 1.
In a further embodiment of the invention, the wind speed and the wind pressure of the wind drum air outlet can be greatly improved in a drainage mode, meanwhile, the invention can greatly reduce the occurrence of danger through remote control.
In a further embodiment of the invention, the crawler chassis unit 1 comprises:
the chassis support frame 11 pushes the rotating frame platform 2 and the power part 5 to be respectively and fixedly installed on the front side and the rear side of the top end of the chassis support frame 11.
Two walking crawler belts 12 are arranged on two sides of the chassis support frame 11 symmetrically.
The power part 5, the power part 5 is fixedly installed on the top end of the chassis support frame 11, and the power part 5 is in transmission connection with the two walking tracks 12.
In a further embodiment of the present invention, the power part 5 may be an engine or an electric motor.
In a further embodiment of the invention, the technical scheme has the beneficial effects that the rotary frame pushing frame 2 and the power part 5 are both arranged on the chassis supporting frame 11, so that the structural stability of the chassis can be improved, and the walking crawler 12 can adapt to complex forest road conditions.
In a further embodiment of the present invention, the push rotating gantry 2 comprises:
the frame body 21 is fixedly arranged on the upper side of the chassis support frame 11, and the upper part of the frame body 21 is connected with the guide rail lead screw pushing mechanism 22;
the lower part of the guide rail lead screw pushing mechanism 22 is fixedly arranged on the frame body 21, and the upper part of the guide rail lead screw pushing mechanism 22 is connected with the rotary table rotating mechanism 23;
the lower part of the rotary table rotating mechanism 23 is connected with the guide rail screw rod pushing structure, and the upper part of the rotary table rotating mechanism 23 is connected with the bearing seat 24;
the lower part of the bearing seat 24 is connected with the rotary table rotating mechanism 23, and the upper part is connected with the high-pressure centrifugal fan 3.
In a further embodiment of the invention, the technical scheme has the beneficial effects that one end of the guide rail lead screw pushing mechanism 22 is connected with the frame body 21, the other end of the guide rail lead screw pushing mechanism 22 is connected with the bearing seat 24 of the fire extinguishing wind cylinder 4, the fire extinguishing wind cylinder 4 can move back and forth along the track walking direction by adjusting the guide rail lead screw pushing mechanism 22, and the fire extinguishing requirements under different conditions can be greatly met.
In a further embodiment of the present invention, the turntable rotating mechanism 23 includes:
the lower part of the worm wheel bearing seat 231 is fixedly connected to the chassis supporting frame 11, and the worm wheel bearing seat 231 is connected with the worm gear structure 232;
the upper side of the worm gear structure 232 is fixedly connected with the bearing seat 24;
the lower parts of the turntable supporting bearing seats 233 are fixedly connected to the two sides of the chassis supporting frame 11, and turntable supporting shafts 234 are connected between the turntable supporting bearing seats 233 at the two ends;
a turntable support shaft 234, both ends of the turntable support shaft 234 being connected to turntable support bearing seats 233;
the auxiliary rotating mechanism 235 of the gear and the rack, the lower part of the auxiliary rotating mechanism 235 of the gear and the rack is fixedly connected with the chassis supporting frame 11 through a guide rail, and the upper part of the auxiliary rotating mechanism 235 of the gear and the rack is fixedly connected with the bearing seat 24.
In a further embodiment of the invention, the technical scheme has the beneficial effects that the lower part of the gear rack auxiliary rotating mechanism 235 is fixedly connected with the chassis supporting frame 11 through a guide rail, the power of the gear rack auxiliary rotating mechanism 235 can drive the rotary table supporting shaft 234 to rotate, the upper end of the rotary table supporting shaft 234 is fixedly connected with the bearing seat 24, the rotary table supporting shaft 234 drives the bearing seat 24 to rotate along the direction vertical to the walking direction of the crawler belt, so that the fire extinguishing air duct 4 is driven to rotate, the rotation of the fire extinguishing air duct 4 at an angle of up and down 30 degrees is realized, and the fire extinguishing efficiency is greatly improved.
Further, the high-pressure centrifugal fan 3 includes:
the power assembly 31, the power assembly 31 is fixedly installed on the top end of the bearing seat 24;
the bottom of the fan volute 32 is fixedly arranged at the top end of the bearing seat 24, an impeller 33 is arranged inside the fan volute 32, the driving end of the power assembly 31 is fixedly connected with the impeller 33, and an air outlet 34 is formed in the top end of the fan volute 32;
in a further embodiment of the present invention, the technical solution has the beneficial effect that the power assembly 31 drives the impeller 33 to rotate, so as to generate a larger wind power.
In a further embodiment of the invention, the fire extinguishing air duct 4 comprises:
the lower part of the gear rack auxiliary air duct rotating structure 41 is fixedly connected with the bearing seat 24, and one end of the gear rack auxiliary air duct rotating structure 41 is connected with a crank hinge 42;
the other end of the crank hinge 42 is connected with the air duct connecting device 43;
the middle of the air duct connecting device 43 is connected with the crank hinge 42, and two ends of the air duct connecting device 43 are respectively and fixedly connected with two air ducts of the conical air duct mechanism 44;
the interior of the conical air duct mechanism 44 is connected with the air outlet 34 through a loose piece buckle 45;
in a further embodiment of the invention, the technical scheme has the advantages that the distance between the air outlet 34 and the conical air duct mechanism 44 can be controlled through the loose piece buckle 45, so that the air inflow during drainage is controlled, and the high-pressure centrifugal fan 3 can drive air near the air inlet of the fire-extinguishing air duct 4 to enter the fire-extinguishing air duct 4 together when working, so that the air pressure and the air speed at the air outlet can be increased, and the fire-extinguishing efficiency can be greatly improved.
The embodiment of the invention discloses a self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishment, which comprises:
a crawler traveling chassis mechanism 1;
the crawler belt type traveling mechanism comprises a crawler belt type traveling mechanism 1, a pushing rotating machine frame 2, a high-pressure centrifugal fan 3, a driving rotating machine frame 2, a driving rotating machine frame and a driving rotating machine frame, wherein the pushing rotating machine frame 2 is fixedly installed on the front side of the middle part of the crawler belt type traveling mechanism 1, and the upper end of the pushing rotating machine frame 2 is fixedly connected with the high-pressure centrifugal fan 3;
the high-pressure centrifugal fan 3 is fixedly arranged on the front side of the middle part of the pushing and rotating frame platform 2, and an air outlet 34 at the top end of the high-pressure centrifugal fan 3 is connected with the fire extinguishing air cylinder 4 through a loose piece buckle 45;
and the power part 5, wherein the power part 5 is fixedly arranged on the crawler walking chassis mechanism 1.
In a further embodiment of the invention, the crawler chassis unit 1 comprises:
the chassis support frame 11 pushes the rotating frame platform 2 and the power part 5 to be respectively and fixedly installed on the front side and the rear side of the top end of the chassis support frame 11.
Two walking crawler belts 12 are arranged on two sides of the chassis support frame 11 symmetrically.
The power part 5 is fixedly arranged at the top end of the chassis supporting frame 11, and the power part 5 is in transmission connection with the two walking tracks 12.
In a further embodiment of the present invention, the power unit 5 may be an engine or an electric motor connected to the power supply device.
In a further embodiment of the present invention, the push rotating gantry 2 comprises:
the frame body 21 is fixedly arranged in the middle of the top end of the chassis supporting frame 11, and the upper part of the frame body 21 is connected with the guide rail lead screw pushing mechanism 22;
the lower part of the guide rail lead screw pushing mechanism 22 is fixedly arranged on the frame body 21, and the upper part is connected with the rotary table rotating mechanism 23;
the lower part of the turntable rotating mechanism 23 is connected with the guide rail screw rod pushing structure 22, and the upper part is connected with the bearing seat 24;
the lower part of the bearing seat 24 is connected with the rotary table rotating mechanism 23, and the upper part is connected with the high-pressure centrifugal fan 3.
The turntable rotating mechanism 23 includes:
the lower part of the worm wheel bearing seat 231 is fixedly connected to the chassis supporting frame 11, and the worm wheel bearing seat 231 is connected with the worm gear structure 232;
the upper side of the worm gear structure 232 is fixedly connected with the bearing seat 24;
the lower parts of the turntable supporting bearing seats 233 are fixedly connected to the two sides of the chassis supporting frame 11, and turntable supporting shafts 234 are connected between the turntable supporting bearing seats 233 at the two ends;
a turntable support shaft 234, both ends of the turntable support shaft 234 being connected to turntable support bearing seats 233;
the lower part of the gear rack auxiliary rotating mechanism 235 is fixedly connected with the chassis supporting frame 11 through a guide rail, and the upper part of the gear rack auxiliary rotating mechanism 235 is fixedly connected with the bearing seat 24.
In a further embodiment of the invention, the high-pressure centrifugal fan 3 comprises:
the power assembly 31, the power assembly 31 is fixedly installed on the top end of the bearing seat 24;
the bottom of the fan volute 32 is fixedly arranged at the top end of the bearing seat 24, an impeller 33 is arranged inside the fan volute 32, the driving end of the power assembly 31 is fixedly connected with the impeller 33, and an air outlet 34 is formed in the top end of the fan volute 32;
in a further embodiment of the invention, the fire extinguishing air duct 4 comprises:
the lower part of the gear rack auxiliary air duct rotating structure 41 is fixedly connected with the bearing seat 24, and one end of the gear rack auxiliary air duct rotating structure 41 is connected with a crank hinge 42;
the other end of the crank hinge 42 is connected with the air duct connecting device 43;
the middle of the air duct connecting device 43 is connected with the crank hinge 42, and two ends of the air duct connecting device 43 are respectively and fixedly connected with two air ducts of the conical air duct mechanism 44;
the interior of the conical air duct mechanism 44 is connected with the air outlet 34 through a loose piece buckle 45;
in a further embodiment of the invention, a manual driving or remote control operation mode can be selected according to the size of a fire scene, namely when the fire scene is small and people cannot generate danger when entering the fire scene, the robot can be manually driven to enter the fire scene for extinguishing fire; when the fire scene is large and people operate machines to be dangerous, the remote control robot can be selected to enter the fire scene to extinguish fire.
In a further embodiment of the invention, after the robot enters a fire scene, the optimal fire extinguishing point and fire extinguishing angle are adjusted through the back-and-forth movement and the up-and-down swing of the fire extinguishing air cylinder through manual operation or remote control, and meanwhile, the air input is adjusted by controlling the distance between the high-pressure centrifugal fan 3 and the fire extinguishing air cylinder 4 according to different fire conditions, so that the air speed, the air volume and the air pressure are effectively increased, and the fire extinguishing efficiency is improved.
In a further embodiment of the invention, the high-pressure centrifugal fan 3 of the drainage type fire extinguisher is separated from the fire extinguishing air duct 4, so that the high-pressure centrifugal fan 3 can drive air near an air inlet of the fire extinguishing air duct 4 to enter the fire extinguishing air duct 4 together when working, thereby increasing the air pressure and the air speed at an air outlet and improving the fire extinguishing efficiency.
In a further embodiment of the invention, the bearing seat 24 is mounted on the turntable rotating mechanism 23, the high-pressure centrifugal fan 3 and the fire extinguishing air duct 4 are mounted on the bearing seat 24, and the rotation of the bearing seat 24 on the vertical plane is realized through the turntable rotating mechanism 23, so that the rotation of the high-pressure centrifugal fan 3 and the fire extinguishing air duct 4 on the vertical plane is realized, and the fire extinguishing position is adjusted.
In a further embodiment of the present invention, the turntable support shaft 234 is fixedly connected to the bottom of the bearing seat 24, and the rotation of the turntable support shaft 234 is realized through the worm gear structure 232, so as to realize the rotation of the bearing seat 24 in the vertical plane.
In a further embodiment of the present invention, the turntable support shaft 234 is fixedly connected to the bottom of the bearing seat 24, and the gear rack auxiliary rotating mechanism 235 is installed on the turntable support shaft 234, so as to reduce the working pressure of the worm gear structure 232 and achieve accurate adjustment of the rotation angle of the bearing seat 24.
In a further embodiment of the invention, the gear rack auxiliary air duct rotating structure 41 is connected with a third driving motor, and the third driving motor drives an air duct adjusting gear to move on an air duct adjusting rack, so that the distance between the high-pressure centrifugal fan 3 and the fire extinguishing air duct 4 is adjusted, and the controllability of wind power and wind pressure is realized.
In a further embodiment of the invention, the control system is provided with a control panel, and manual driving can be carried out.
In a further embodiment of the invention, the control system is in signal connection with the computer through the signal transceiver, remote control can be performed through the computer, the visual imaging device sends the surrounding environment of the self-propelled drainage type wind power fire-extinguishing robot to the computer through the signal transceiver, and an operator can accurately regulate and control the fire-extinguishing process of the self-propelled drainage type wind power fire-extinguishing robot in front of the computer.
In a further embodiment of the present invention, a plurality of rotating wheels are installed on two sides of the chassis supporting frame 11, at least one output main shaft is installed in the chassis supporting frame 11, each output main shaft is connected to the power portion 5, the power portion 5 drives the plurality of output main shafts to rotate, driving pulleys are installed on the ends of the plurality of output main shafts, the traveling crawler 12 is arranged around the plurality of driving pulleys and the plurality of rotating wheels, and the power portion 5 drives the traveling crawler 12 on two sides to travel and turn through the plurality of output main shafts.
In a further embodiment of the invention, the self-propelled drainage type wind power fire-extinguishing robot can walk on complex terrains through the walking crawler 12, has small volume and light weight, effectively increases wind pressure and wind volume through the fire-extinguishing wind cylinder 4, reduces power consumption of the high-pressure centrifugal fan 3, can adjust the fire-extinguishing position by pushing the rotating frame platform 2, can realize remote control of a computer and ensures the safety of fire fighters.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a self-propelled drainage formula wind-force fire extinguishing robot for forest is put out a fire which characterized in that includes: crawler-belt walking chassis mechanism (1), promotion rotate rack platform (2), high-pressure centrifugal fan (3), dryer (4) and power portion (5) put out a fire, crawler-belt walking chassis mechanism (1) includes: chassis support frame (11) and walking track (12), the both sides of chassis support frame (11) are all installed walking track (12), self-propelled drainage formula wind-force fire-fighting robot is through being located the walking track (12) of chassis support frame (11) both sides removes, promote to rotate rack platform (2) and install on chassis support frame (11), promote to rotate and install at least one on rack platform (2) high-pressure centrifugal fan (3) and at least one the dryer of putting out a fire (4), each air outlet (34) of dryer (4) and a high-pressure centrifugal fan (3) of putting out a fire are through operable swing joint of a plurality of loose piece buckles (45), through adjusting air outlet (34) of high-pressure centrifugal fan (3) with interval between the dryer of putting out a fire (4) is in order to adjust the amount of wind and the wind pressure in the dryer of putting out a fire (4), the walking crawler belt (12), the pushing rotating frame platform (2) and the high-pressure centrifugal fan (3) are all connected with the power part (5).
2. Self-propelled wind powered fire fighting robot for forest fire fighting according to claim 1, characterized in that the pushing and rotating gantry platform (2) comprises: the support body (21), support body (21) are installed on chassis support frame (11), install sliding mounting board on support body (21), sliding mounting board is operatable slide on support body (21).
3. Self-propelled wind powered fire fighting robot for forest fire fighting according to claim 2, characterized in that the pushing and rotating gantry platform (2) further comprises: revolving stage slewing mechanism (23) and bear seat (24), revolving stage slewing mechanism (23) are installed on the sliding mounting board, bear seat (24) and install on revolving stage slewing mechanism (23), bear seat (24) pass through revolving stage slewing mechanism (23) operationally in vertical plane internal rotation, it is a plurality of high-pressure centrifugal fan (3) are installed bear on the seat (24).
4. Self-propelled wind powered fire fighting robot for forest fire fighting according to claim 2, characterized in that the pushing and rotating gantry platform (2) further comprises: first driving motor and lead screw pushing mechanism (22), the stiff end of lead screw pushing mechanism (22) is installed on support body (21), install on the stiff end first driving motor, the promotion end of lead screw pushing mechanism (22) with sliding mounting panel connects, first driving motor with power portion (5) are connected.
5. Self-propelled drainage wind fire fighting robot for forest fire fighting according to claim 3, characterized in that the turntable rotation mechanism (23) comprises: the turntable supporting bearing seat (233) and the turntable supporting shaft (234) are installed on the sliding installation plate, the turntable supporting bearing seats (233) are installed on the sliding installation plate, two ends of the turntable supporting shaft (234) are installed in the turntable supporting bearing seats (233) respectively, and the lower surface of the bearing seat (24) is connected with the middle of the turntable supporting shaft (234).
6. Self-propelled drainage type wind fire-fighting robot for forest fire fighting according to claim 5, wherein the turntable rotating mechanism (23) further comprises: a rack and pinion secondary rotation mechanism (235), the rack and pinion secondary rotation mechanism (235) comprising: the rack portion and the gear portion of intermeshing, the gear portion install on revolving stage back shaft (234), be equipped with the slide rail on the sliding mounting board, the rack portion pass through the slide rail with sliding mounting board sliding connection.
7. Self-propelled drainage type wind fire-fighting robot for forest fire fighting according to claim 5, wherein the turntable rotating mechanism (23) further comprises: second driving motor, worm gear bearing frame (231) and worm gear structure (232), install two worm gear bearing frames (231) on the sliding mounting board, worm gear structure (232) include: the worm part and the worm wheel part are meshed with each other, two ends of the worm part are respectively installed in one worm wheel bearing seat (231), the worm wheel part is installed on the rotary table supporting shaft (234), the worm part is connected with the second driving motor, and the second driving motor is connected with the power part (5).
8. Self-propelled drainage wind fire fighting robot for forest fire fighting according to claim 1, characterized in that each of said high pressure centrifugal fans (3) comprises: power component (31), fan spiral case (32) and impeller (33), be equipped with air outlet (34) on fan spiral case (32), fan spiral case (32) are installed bear on seat (24), install on fan spiral case (32) power component (31), be equipped with in fan spiral case (32) and be connected with the drive end of power component (31) impeller (33), power component (31) with power portion (5) are connected.
9. Self-propelled drainage type wind fire-fighting robot applied to forest fire fighting according to claim 3, characterized in that the fire-fighting air duct (4) comprises: third driving motor, supplementary dryer revolution mechanic of rack and pinion (41), crank hinge (42), dryer connecting device (43) and toper dryer mechanism (44), the air intake and an air outlet (34) of each toper dryer mechanism (44) are through a plurality of loose piece buckle (45) sliding connection, and a plurality of toper dryer mechanisms (44) are passed through dryer connecting device (43) are connected, the one end of crank hinge (42) with dryer connecting device (43) rotate and connect, rack and pinion assists dryer revolution mechanic (41) to include: mutually engaged's dryer adjusting gear and dryer adjusting rack, the other end of crank hinge (42) with dryer adjusting gear connects, dryer adjusting rack installs bear on seat (24), dryer adjusting gear with third driving motor connects, third driving motor with power portion (5) are connected.
10. The self-propelled drainage type wind power fire-fighting robot applied to forest fire-fighting according to claim 1, characterized by further comprising: the self-propelled wind power fire extinguishing robot comprises a vision imaging device, a control device and a signal receiving and sending device, wherein the vision imaging device, the control system and the signal receiving and sending device are all installed on a frame body (21), the vision imaging device, the control system and the signal receiving and sending device are all connected with a power part (5), a walking crawler belt (12) is used for pushing a rotating stand (2), a high-pressure centrifugal fan (3), the vision imaging device and the signal receiving and sending device are all connected with the control system, the vision imaging device is connected with the signal receiving and sending device, the vision imaging device is used for monitoring the surrounding environment of the self-propelled wind power fire extinguishing robot, the control system is connected with a computer through the signal receiving and sending device, and the control system is used for controlling the walking, the running and the distribution of the self-propelled wind power fire extinguishing robot, And controlling the pushing and rotating rack table (2) to adjust the fire extinguishing position and the fire extinguishing wind power and controlling the high-pressure centrifugal fan (3) to be opened and closed.
CN202111387675.2A 2021-11-22 2021-11-22 Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishment Active CN113967331B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111387675.2A CN113967331B (en) 2021-11-22 2021-11-22 Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111387675.2A CN113967331B (en) 2021-11-22 2021-11-22 Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishment

Publications (2)

Publication Number Publication Date
CN113967331A true CN113967331A (en) 2022-01-25
CN113967331B CN113967331B (en) 2022-06-14

Family

ID=79590106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111387675.2A Active CN113967331B (en) 2021-11-22 2021-11-22 Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishment

Country Status (1)

Country Link
CN (1) CN113967331B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114404849A (en) * 2022-03-07 2022-04-29 中国石油大学(华东) Fire engine for extinguishing fire by using sandy soil
CN116440443A (en) * 2023-04-18 2023-07-18 广东工业大学 Intelligent fire extinguishing robot

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110232925A1 (en) * 2010-03-29 2011-09-29 Al-Azemi Hadi A Fire fighting robot
CN104857655A (en) * 2015-05-21 2015-08-26 陈雪 Climbing extinguishing and cleaning robot
CN104922828A (en) * 2014-03-21 2015-09-23 孙士庆 Self-swing type air blowing fire extinguisher
CN105477812A (en) * 2016-01-14 2016-04-13 任曲波 Self-generating fire-fighting fire extinguishment robot with variable weight and controllable fire extinguishment range
CN106178348A (en) * 2016-06-28 2016-12-07 安徽扫宝智能科技有限公司 A kind of swinging intelligent fire job that requires special skills robot
CN107875550A (en) * 2017-11-07 2018-04-06 山东阿图机器人科技有限公司 A kind of firefighting fire extinguishing robot towards complicated ground environment
CN108261708A (en) * 2018-01-18 2018-07-10 大连科技学院 A kind of five-axle linkage firefighting robot
CN111388925A (en) * 2020-03-27 2020-07-10 焦作大学 Automatic control system of fire extinguishing equipment
CN112827098A (en) * 2021-01-22 2021-05-25 东北林业大学 Self-propelled crawler-type intelligent wind powder fire extinguishing robot for forest fire extinguishing and fire prevention
CN113041538A (en) * 2021-01-14 2021-06-29 西安量子智能科技有限公司 Hanging rail type fire extinguishing robot

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110232925A1 (en) * 2010-03-29 2011-09-29 Al-Azemi Hadi A Fire fighting robot
CN104922828A (en) * 2014-03-21 2015-09-23 孙士庆 Self-swing type air blowing fire extinguisher
CN104857655A (en) * 2015-05-21 2015-08-26 陈雪 Climbing extinguishing and cleaning robot
CN105477812A (en) * 2016-01-14 2016-04-13 任曲波 Self-generating fire-fighting fire extinguishment robot with variable weight and controllable fire extinguishment range
CN106178348A (en) * 2016-06-28 2016-12-07 安徽扫宝智能科技有限公司 A kind of swinging intelligent fire job that requires special skills robot
CN107875550A (en) * 2017-11-07 2018-04-06 山东阿图机器人科技有限公司 A kind of firefighting fire extinguishing robot towards complicated ground environment
CN108261708A (en) * 2018-01-18 2018-07-10 大连科技学院 A kind of five-axle linkage firefighting robot
CN111388925A (en) * 2020-03-27 2020-07-10 焦作大学 Automatic control system of fire extinguishing equipment
CN113041538A (en) * 2021-01-14 2021-06-29 西安量子智能科技有限公司 Hanging rail type fire extinguishing robot
CN112827098A (en) * 2021-01-22 2021-05-25 东北林业大学 Self-propelled crawler-type intelligent wind powder fire extinguishing robot for forest fire extinguishing and fire prevention

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114404849A (en) * 2022-03-07 2022-04-29 中国石油大学(华东) Fire engine for extinguishing fire by using sandy soil
CN114404849B (en) * 2022-03-07 2022-09-30 中国石油大学(华东) Fire engine for extinguishing fire by using sandy soil
CN116440443A (en) * 2023-04-18 2023-07-18 广东工业大学 Intelligent fire extinguishing robot

Also Published As

Publication number Publication date
CN113967331B (en) 2022-06-14

Similar Documents

Publication Publication Date Title
CN113967331B (en) Self-propelled drainage type wind power fire-extinguishing robot applied to forest fire extinguishment
CN100450641C (en) Automatic lacquer spraying system for surface of rotating body
CN111342375B (en) Switch board cooling dust fall protector
CN201815025U (en) Combined-type automatic stair-climbing fire-fighting and smoke removal robot
CN107414863B (en) Energy-saving environment-friendly solar robot
CN101961533A (en) Combined automatic stair-climbing fire-extinguishing smoke-discharging robot
CN108045991A (en) Intelligently close a position robot
CN106267642A (en) Multi-functional lifting is removed obstacles type firefighting fire extinguishing robot
CN215964229U (en) Construction engineering is with dustproof water smoke sprinkler
CN205339926U (en) Variable controllable scope of putting out a fire of weight is from fire -fighting robot of electricity generation
CN109011948A (en) A kind of construction site subtracts haze device automatically
CN207429557U (en) A kind of fire-fighting equipment with the adjusting of spray scope and sewage treatment function
CN108837641B (en) On-vehicle haze processing apparatus is used to municipal administration environmental protection
CN212746992U (en) Crawler-type snow making machine
CN216457769U (en) Building construction site dust device
CN214091862U (en) Spraying dust-settling device for coal mining machine
CN211835973U (en) Fire extinguishing construction device with dust removal effect
CN210229490U (en) Dust removal fog gun machine of angularly adjustable
CN112503679A (en) Civil air defense engineering peacetime and wartime comprehensive air filtering device
CN220090321U (en) Lifting equipment for fire fighting
CN217886856U (en) Novel fire extinguishing fire-fighting gun device for fire engineering
CN211963529U (en) Walking type fog gun spraying travelling crane
CN109011949A (en) A kind of working method subtracting haze device automatically in construction site
CN206359219U (en) Indoor three-dimensional lifting machine
CN215313258U (en) Construction engineering is with dustproof water smoke sprinkler

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant