CN210543003U - Polar region lifesaving fire engine - Google Patents
Polar region lifesaving fire engine Download PDFInfo
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- CN210543003U CN210543003U CN201920836189.6U CN201920836189U CN210543003U CN 210543003 U CN210543003 U CN 210543003U CN 201920836189 U CN201920836189 U CN 201920836189U CN 210543003 U CN210543003 U CN 210543003U
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Abstract
The utility model relates to a fire engine technical field, concretely relates to polar region lifesaving fire engine, its structure includes the frame, be located the preceding driver's cabin and the back driver's cabin at frame both ends, set up carriage and preceding wheel between two driver's cabins, middle wheel and back wheel, still including setting up the battery in the carriage, a floating drive axle system for driving before the fire engine back and travel, a universal steering system for controlling preceding wheel and back wheel and turn to in narrow passageway, a little pressure boost respiratory for providing highly-compressed air under oxygen deficiency or the serious pollution condition of air, but the cooling system of automobile body temperature reduction and the central control unit who is used for controlling each system. The polar region lifesaving fire engine can normally and smoothly run and can conveniently and safely lifesaving in the extremely severe environment of oxygen deficiency, high temperature and fire scene, and has strong trafficability.
Description
Technical Field
The utility model relates to a fire engine technical field, concretely relates to polar region lifesaving fire engine.
Background
In various fires, people trapped in a fire scene often need to be rescued in an emergency, but the existing fire fighting truck cannot be close to the fire scene due to extremely dangerous and anoxic conditions in the fire scene. Although the firemen wear the fire protection suit and the shoulder strap air breathing device, the firemen cannot save the fire after passing through the fire scene for a long time, have to withdraw the fire due to the quick exhaustion of oxygen, and some of the fire even sacrifice the fire scene. Although some fire engines are close to the fire scene quickly in the early stage, later when dense smoke rolls and the passage becomes narrow or an obstacle exists, the fire engines cannot be started due to oxygen deficiency and cannot be driven out, and people who are rescued on the fire engines, fire fighters in the fire engines and the fire engines are lost in the big fire. If when a fire disaster happens in the tunnel, the existing fire engine is more difficult to approach the fire scene, and some fire engines can start to extinguish due to oxygen deficiency when the fire engine is 800 meters away from the fire scene, so that the fire engine cannot be driven into the tunnel. The firemen can not start the fire pump to pump water and extinguish fire, and can not rescue the trapped people, so that the people in danger lose lives due to suffocation. If the respirator stays in an oxygen-deficient environment for a long time, the life of a fireman cannot be guaranteed after the air of the respirator is exhausted.
Under the extremely severe environments, the conventional fire truck depends on oxygen for driving and self-protection, and has no function at all, so that the aim of rescue cannot be fulfilled. Therefore, there is a need to research a fire engine capable of normally and smoothly running and lifesaving under various extreme environments.
Disclosure of Invention
An object of the utility model is to the not enough among the prior art, and provide a polar region lifesaving fire engine, this fire engine can be under the extreme adverse circumstances in oxygen deficiency, high temperature, scene of a fire, can normally, smoothly go and can conveniently, safely live saving.
The polar region lifesaving fire truck comprises a frame, a front cab and a rear cab which are positioned at two ends of the frame, a carriage arranged between the two cabs, front wheels, middle wheels and rear wheels, a storage battery arranged in the carriage, a floating drive axle system used for driving the fire truck to run forwards and backwards, a universal steering system used for controlling the front wheels and the rear wheels to steer in a narrow passage, a micro-pressurization breathing system used for providing high-pressure air under the condition of oxygen deficiency or serious air pollution, a cooling system capable of reducing the temperature of a truck body and a central control unit used for controlling each system; wherein:
the floating drive axle system comprises a floating drive axle and a floating device, the floating drive axle is used for driving a middle wheel to rotate, the floating drive axle is connected with the frame through the floating device, the floating drive axle is electrically connected with the storage battery through an electric control system, and the electric control system is electrically connected with the central control unit:
the universal steering system comprises a front driving axle for driving front wheels to steer, a rear driving axle for driving rear wheels to steer, and a front steering hydraulic system and a rear steering hydraulic system which are respectively connected with the front driving axle and the rear driving axle, wherein the front steering hydraulic system and the rear steering hydraulic system are electrically connected with the central control unit.
In the above technical scheme, little pressure boost respiratory including set up in the carriage high-pressure gas bottle group and with the gas release pipe of high-pressure gas bottle group link, the gas release pipe extends to respectively in preceding driver's cabin and the back driver's cabin, be located a plurality of air release mouths have been seted up on the gas release pipe in preceding driver's cabin and the back driver's cabin.
In the technical scheme, a pressure reducing valve, a flow control valve and a flowmeter are arranged on a connecting pipeline of the air release pipe and the high-pressure gas cylinder set, and the flow control valve and the flowmeter are respectively and electrically connected with the central control unit.
Among the above-mentioned technical scheme, cooling system is including setting up water pitcher and the fire pump in the carriage and being located a plurality of nozzle on the fire engine, the water inlet of fire pump with the water pitcher is connected, the delivery port of fire pump pass through the water supply line with the nozzle is connected.
In the technical scheme, the nozzle is arranged on the roof and/or the bottom of the fire engine.
In the above technical scheme, the universal steering system further comprises a hydraulic oil tank, and the hydraulic oil tank is connected with the front steering hydraulic system and the rear steering hydraulic system through oil supply pipelines respectively.
In the technical scheme, the oil supply pipeline is provided with the electric hydraulic pump, and the electric hydraulic pump is connected with the storage battery.
In the above technical scheme, the front wheels and the rear wheels are both provided with corner sensors, and the corner sensors are electrically connected with the central control unit.
In the technical scheme, the front cab and the rear cab are internally provided with control panels electrically connected with the central control unit.
In the technical scheme, steering wheels electrically connected with the central control unit are arranged in the front cab and the rear cab.
The utility model has the advantages that:
when the polar region lifesaving fire truck of the utility model arrives or is about to be on the scene of fire, under the conditions of oxygen deficiency and automatic extinguishing of the engine, the storage battery, the electric control system and the floating drive axle system are started immediately, the floating drive axle sinks in place through the floating device and is locked, and the floating drive axle drives the middle wheel to rotate, thereby driving the fire truck to run forwards or backwards; under the condition of oxygen deficiency or serious air pollution, all windows and doors of the vehicle are closed immediately, a micro-supercharging breathing system in the vehicle is started to provide high-pressure air for the fire fighting vehicle, so that the air pressure in the vehicle is slightly increased, toxic gas is prevented from entering the vehicle, and the breathing safety of personnel in the vehicle is ensured; when the external temperature is too high or the fire engine is threatened by fire, the cooling system is started immediately, so that the temperature of the outer surface of the vehicle body is reduced, the heat of the fire outside the vehicle is prevented from being conducted into the vehicle to cause the too high temperature in the vehicle, and the fire engine is prevented from being burnt; when the fire fighting truck enters a narrow passage and is difficult to pass through, a universal steering system is started immediately, and a central control unit calculates theoretical steering angles of front wheels and rear wheels according to steering instructions of a steering wheel so as to drive multiple steering modes of the front wheels and the rear wheels to be switched randomly; when the fire engine can not turn around in the narrow passage, the front cab and the rear cab can be driven in two directions without turning around. Therefore, compared with the prior art, the utility model has the advantages of it is following:
(1) the polar region lifesaving fire engine can conveniently and safely realize lifesaving in an extreme environment of a fire scene;
(2) under extreme conditions of oxygen deficiency and high temperature, the vehicle can run normally and smoothly;
(3) under the extreme environment of a fire scene, a living environment of people can be formed in the vehicle, the breathing is safe, and the temperature is proper;
(4) the fire engine has strong trafficability characteristic, and can realize the functions of translation, in-situ turning, narrow-road right angle bending, obstacle avoidance and bidirectional driving of the fire engine.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic structural view of the polar region lifesaving fire engine of the utility model.
Fig. 2 is a schematic structural view of the polar region lifesaving fire engine of the present invention at another angle.
Fig. 3 is a schematic view of the working principle of the floating drive axle system of the polar region lifesaving fire engine of the present invention.
Fig. 4 is a schematic view of the working principle of the universal steering system of the polar region lifesaving fire truck of the present invention.
Fig. 5 is a schematic view of the operating principle of the micro-pressurized respiratory system of the polar region lifesaving fire truck of the present invention.
Reference numerals:
a front cab 1, a control panel 11, a rear cab 2, a carriage 3 and a storage battery 4;
a floating drive axle system 5, a floating drive axle 51, a floating device 52 and an electric control system 53;
the steering system comprises a universal steering system 6, a front drive axle 61, a rear drive axle 62, a front steering hydraulic system 63, a rear steering hydraulic system 64, a hydraulic oil tank 65, a corner sensor 66 and a steering wheel 67;
the micro-pressurization breathing system 7, the high-pressure gas cylinder group 71, the gas release pipe 72, the gas release nozzle 721, the pressure reducing valve 73, the flow control valve 74 and the flowmeter 75;
a cooling system 8, a water tank 81, a fire pump 82, a water supply pipeline 83 and a nozzle 831;
a central control unit 9;
Detailed Description
The invention will be further described with reference to the following examples.
The polar region lifesaving fire truck of the embodiment, as shown in fig. 1 to 5, comprises a frame, a front cab 1 and a rear cab 2 at two ends of the frame, a carriage 3 and front wheels 10 arranged between the two cabs, middle wheels 30 and rear wheels 20, a storage battery 4 arranged in the carriage 3, a floating drive axle system 5 for driving the fire truck to run back and forth, a universal steering system 6 for controlling the front wheels 10 and the rear wheels 20 to steer in a narrow passage, a micro-pressurization breathing system 7 for providing high-pressure air under the condition of oxygen deficiency or serious air pollution, a cooling system 8 for reducing the temperature of the truck body, and a central control unit 9 for controlling each system; control panels 11 electrically connected with the central control unit 9 are arranged in the front cab 1 and the rear cab 2, so that the operation of a driver is facilitated.
In the present embodiment, as shown in fig. 3, the floating drive axle system 5 includes a floating drive axle 51 and a floating device 52 for driving the middle wheel 30 to rotate, the floating drive axle 51 is located below the frame in the middle of the fire engine, the floating drive axle 51 is connected to the frame through the floating device 52, the floating drive axle 51 is electrically connected to the battery 4 through an electronic control system 53, the electronic control system 53 is electrically connected to the central control unit 9, and the control panels 11 of the front cab 1 and the rear cab 2 are electrically connected to the electronic control system 53 through the central control unit 9. Under the condition of oxygen deficiency and automatic engine extinguishment, the working principle of normal free running of the fire engine is as follows: the control panel 11 is operated in the front cab 1 or the rear cab 2, the floating device 52 is controlled by the central control unit 9, the floating drive axle 51 is lowered to a proper driving position, then the central control unit 9 sends an instruction to the electric control system 53, and the storage battery 4 is controlled to provide power supply for the motor of the floating drive axle 51, so that the middle wheels 30 are driven to rotate, and the fire fighting truck runs forwards and backwards. Meanwhile, the electric air pump provides a compressed air power source for the braking system, so that the braking system can normally run. Thus, the fire engine can normally and freely run.
In this embodiment, as shown in fig. 4, the universal steering system 6 includes a front drive axle 61 for driving the front wheels 10 to steer, a rear drive axle 62 for driving the rear wheels 20 to steer, a front steering hydraulic system 63 and a rear steering hydraulic system 64 respectively connected to the front drive axle 61 and the rear drive axle 62, and a hydraulic oil tank 65, the hydraulic oil tank 65 is respectively connected to the front steering hydraulic system 63 and the rear steering hydraulic system 64 through oil supply lines, the front steering hydraulic system 63 and the rear steering hydraulic system 64 are electrically connected to the central control unit 9, the oil supply lines are provided with electric hydraulic pumps, the electric hydraulic pumps are connected to the storage battery 4, and the electric hydraulic pumps provide hydraulic power sources for the front steering hydraulic system 63 and the rear steering hydraulic system 64, so that the universal steering system 6 operates normally.
Specifically, steering wheels 67 electrically connected to the central control unit 9 are provided in each of the front cab 1 and the rear cab 2, and the front wheels 10 and the rear wheels 20 are provided with corner sensors 66, and the corner sensors 66 are electrically connected to the central control unit 9.
The working principle of the universal steering system 6 is as follows: when the fire engine is difficult to pass through a narrow passage, the control panel 11 is operated in the front cab 1 or the rear cab 2, and the most suitable steering mode and steering function are selected through the buttons. The central control unit 9 calculates a theoretical steering angle of each of the front wheels 10 or the rear wheels 20 in accordance with the steering command of the steering wheel 67 of the front cab 1 or the rear cab 2 in accordance with the selected steering mode and steering function, and controls the front steering hydraulic system 63 and the rear steering hydraulic system 64. The front steering hydraulic system 63 drives the hydraulic cylinder of the front drive axle 61 through the pressure oil supplied from the oil supply line to thereby drive the front wheels to steer, and the rear steering hydraulic system 64 drives the hydraulic cylinder of the rear drive axle 62 through the pressure oil supplied from the oil supply line to thereby drive the rear wheels to steer. The rotation angle sensors 66 of the front wheels 10 and the rear wheels 20 respectively send real-time steering angle signals of the wheels to the central control unit 9, and the central control unit 9 timely adjusts the steering angles of the wheels according to the real-time steering angle signals of the wheels, so as to achieve the purpose of accurate steering. The control program presets a plurality of steering modes: a conventional steering mode, a rear wheel steering mode, a front and rear wheel simultaneous same-direction mode, a front and rear wheel simultaneous different-direction mode, a front and rear wheel simultaneous independent steering mode and a side obstacle avoidance steering mode can be switched randomly at any time through the control panel 11; when the fire engine can't turn around in narrow passageway, can go back driver's cabin 2 and drive the operation, directly go out the fire engine, need not the turn around to when changing the driver's cabin of operation of traveling, only need switch at preceding driver's cabin 1 or the last button of control panel 11 in back driver's cabin 2, can accomplish all driving operations in arbitrary one driver's cabin.
In this embodiment, as shown in fig. 1 and 5, the slightly pressurized breathing system 7 includes a high pressure cylinder group 71 disposed in the vehicle compartment 3 and an air bleed pipe 72 connected to the high pressure cylinder group 71, the air bleed pipe 72 extends into the front cab 1 and the rear cab 2, respectively, and a plurality of air bleed nozzles 721 are opened on the air bleed pipe 72 located in the front cab 1 and the rear cab 2. A pressure reducing valve 73, a flow control valve 74 and a flow meter 75 are provided in a connection pipe between the bleed pipe 72 and the high-pressure cylinder group 71, and the control panel 11 of the front cab 1 and the rear cab 2 is electrically connected to the flow control valve 74 and the flow meter 75 through the central control unit 9. The working principle is as follows: under the condition of oxygen deficiency or serious air pollution, the control panel 11 is operated in the front cab 1 or the rear cab 2, the central control unit 9 controls the flow control valve 74 to be opened and adjusted to a required flow opening, then high-pressure air in the high-pressure air bottle group 71 is decompressed by the decompression air valve, passes through the flow control valve 74 and the flowmeter 75, finally reaches the air release nozzles 721 in the front cab 1 and the rear cab 2 through the air release pipe 72, is slowly released into the vehicle, slightly increases the pressure in the vehicle to prevent toxic gas from entering the vehicle, and ensures the breathing safety of people in the vehicle. The signal from the flow meter 75 is fed back to the central control unit 9 to confirm that the flow is as desired or needs to be corrected.
In this embodiment, as shown in fig. 1, the cooling system 8 includes a water tank 81 and a fire pump 82 disposed in the compartment 3, and a plurality of nozzles 831 disposed on the fire engine, wherein a water inlet of the fire pump 82 is connected to the water tank 81, a water outlet of the fire pump 82 is connected to the nozzles 831 through a water supply pipeline 83, and the nozzles 831 are disposed on a roof and/or a bottom of the fire engine. When the temperature is too high outside or the fire engine is threatened by fire, the fire pump 82 pumps water in the water tank 81, and the water is pressurized and then sprayed out through the water supply pipeline 83 by the spray nozzle 831 at the top and/or the bottom of the vehicle, so that the temperature of the outer surface of the vehicle body is effectively reduced, the heat of the fire outside the vehicle is prevented from being conducted into the vehicle to cause the temperature in the vehicle to be too high, and the fire engine is prevented from being burnt.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the polar region lifesaving fire engine can conveniently and safely realize lifesaving in an extreme environment of a fire scene;
(2) under extreme conditions of oxygen deficiency and high temperature, the vehicle can run normally and smoothly;
(3) under the extreme environment of a fire scene, a living environment of people can be formed in the vehicle, the breathing is safe, and the temperature is proper;
(4) the fire engine has strong trafficability characteristic, and can realize the functions of translation, in-situ turning, narrow-road right angle bending, obstacle avoidance and bidirectional driving of the fire engine.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. Polar region lifesaving fire engine, including the frame, be located the preceding driver's cabin and the back driver's cabin at frame both ends, set up carriage and preceding wheel, middle wheel and the rear wheel between two drivers ' cabins, its characterized in that: the device also comprises a storage battery arranged in the carriage, a floating drive axle system used for driving the fire engine to run forwards and backwards, a universal steering system used for controlling the front wheels and the rear wheels to steer in a narrow passage, a micro-pressurization breathing system used for providing high-pressure air under the condition of oxygen deficiency or serious air pollution, a cooling system capable of reducing the temperature of the vehicle body and a central control unit used for controlling each system; wherein:
the floating drive axle system comprises a floating drive axle and a floating device, the floating drive axle is used for driving a middle wheel to rotate, the floating drive axle is connected with the frame through the floating device, the floating drive axle is electrically connected with the storage battery through an electric control system, and the electric control system is electrically connected with the central control unit:
the universal steering system comprises a front driving axle for driving front wheels to steer, a rear driving axle for driving rear wheels to steer, and a front steering hydraulic system and a rear steering hydraulic system which are respectively connected with the front driving axle and the rear driving axle, wherein the front steering hydraulic system and the rear steering hydraulic system are electrically connected with the central control unit.
2. The polar region lifesaving fire engine of claim 1, wherein: little pressure boost respiratory including set up in the carriage high-pressure gas bottle group and with the gas release pipe of high-pressure gas bottle group link, the gas release pipe extends to respectively in preceding driver's cabin and the back driver's cabin, be located a plurality of air release mouths have been seted up on the gas release pipe in preceding driver's cabin and the back driver's cabin.
3. The polar region lifesaving fire engine of claim 2, wherein: and a pressure reducing valve, a flow control valve and a flowmeter are arranged on a connecting pipeline of the air release pipe and the high-pressure air bottle group, and the flow control valve and the flowmeter are respectively and electrically connected with the central control unit.
4. The polar region lifesaving fire engine of claim 1, wherein: the cooling system comprises a water tank arranged in the carriage, a fire pump and a plurality of nozzles positioned on the fire truck, wherein the water inlet of the fire pump is connected with the water tank, and the water outlet of the fire pump is connected with the nozzles through a water supply pipeline.
5. The polar region lifesaving fire engine of claim 4, wherein: the nozzle is arranged on the roof and/or the bottom of the fire fighting truck.
6. The polar region lifesaving fire engine of claim 1, wherein: the universal steering system further comprises a hydraulic oil tank, and the hydraulic oil tank is connected with the front steering hydraulic system and the rear steering hydraulic system through oil supply pipelines respectively.
7. The polar region lifesaving fire engine of claim 6, wherein: and the oil supply pipeline is provided with an electric hydraulic pump which is connected with the storage battery.
8. The polar region lifesaving fire engine of claim 1, wherein: and the front wheel and the rear wheel are both provided with corner sensors, and the corner sensors are electrically connected with the central control unit.
9. The polar region lifesaving fire engine of any one of claims 1 to 8, wherein: and control panels electrically connected with the central control unit are arranged in the front cab and the rear cab.
10. The polar region lifesaving fire engine of claim 1, wherein: steering wheels electrically connected with the central control unit are arranged in the front cab and the rear cab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836189.6U CN210543003U (en) | 2019-06-03 | 2019-06-03 | Polar region lifesaving fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836189.6U CN210543003U (en) | 2019-06-03 | 2019-06-03 | Polar region lifesaving fire engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210543003U true CN210543003U (en) | 2020-05-19 |
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ID=70664480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920836189.6U Active CN210543003U (en) | 2019-06-03 | 2019-06-03 | Polar region lifesaving fire engine |
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| Country | Link |
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| CN (1) | CN210543003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270036A (en) * | 2019-06-03 | 2019-09-24 | 广东永强奥林宝国际消防汽车有限公司 | Polar region lifesaving fire fighting truck |
-
2019
- 2019-06-03 CN CN201920836189.6U patent/CN210543003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270036A (en) * | 2019-06-03 | 2019-09-24 | 广东永强奥林宝国际消防汽车有限公司 | Polar region lifesaving fire fighting truck |
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