CN2113792U - Automatic aerial fire and rescue vehicle - Google Patents
Automatic aerial fire and rescue vehicle Download PDFInfo
- Publication number
- CN2113792U CN2113792U CN 92202299 CN92202299U CN2113792U CN 2113792 U CN2113792 U CN 2113792U CN 92202299 CN92202299 CN 92202299 CN 92202299 U CN92202299 U CN 92202299U CN 2113792 U CN2113792 U CN 2113792U
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- fire
- oil cylinder
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- aerial ladder
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Abstract
The utility model relates to an automatic aerial fire and rescue vehicle, which is additionally provided with a water supply system comprising a water storage tank, a water outlet pump, and a water inlet pump and an automatic control system comprising an infrared tracking camera device and a detector. The vehicle adopts a fluid pressure mechanism to implement control, and the fluid pressure mechanism and the automatic control system are connected with a computer in series for implementing the complete automation for fire rescue and remote operation. The fire vehicle with the novel structure has the advantages of wide use range, less accidents, and high safety.
Description
The utility model belongs to high-altitude automatic fire control car and high-altitude rescue vehicle.
Existing general hook and ladder is only at chassis 10(Fig. 1) top installs back rotating disk 8, amplitude oil cylinder 7 and aerial ladder 6, also wears workbench 1 and slide 5 on the part car, and must be equipped with special-purpose waterwheel during work in addition and supply water.And supporting leg 9 leveling automatically of vehicle, hydraulic control valve (reversal valve) adopts manually, and some safety measures are controlled with mechanical type.During work, the fire fighter must operate on driver's cabin or the workbench or on the slide, to some dangerous scenes of a fire (for example inflammable and explosive and high temperature and other places), the fire fighter be difficult near and also very dangerous, influence the fire-fighting effect and the scope of application, automaticity is lower.
The purpose of this utility model is the shortcoming that overcomes above-mentioned fire fighting truck, and a kind of high-altitude automatic fire control and relief car of new construction is provided.
The purpose of this utility model is achieved in that increases a water system, and the structure of water system is that 10 middle part is equipped with water tank 4 on the chassis, goes out water pump 11 and intake pump 12.Automatic control system includes infrared ray and follows the tracks of and camera head 30, detector 31 and computer.Infrared ray is followed the tracks of and camera head is installed on the water cannon 14, detector is installed on the workbench 1, infrared ray tracking and camera head are connected with water system, aerial ladder 6, amplitude oil cylinder 7 and the hydraulic system of rotary disk 8 respectively with detector, and computer is connected with hydraulic system, infrared ray tracking and camera head and detector respectively.
The utility model is provided by following examples and accompanying drawing thereof.
Fig. 1 automatic fire control relief car front view
Fig. 2 automatic fire control relief car vertical view
Fig. 3 water system schematic diagram
Fig. 4 workbench front view
Fig. 5 workbench vertical view
The hydraulic schematic diagram of Fig. 6 supporting leg
Fig. 7 amplitude oil cylinder hydraulic schematic diagram
Fig. 8 impactor structural front view
Fig. 9 impactor N-N profile.
1 workbench, 14 water cannons, 27,28 oil cylinders
29 tee pipe couplings of 2 gear mechanisms, 15 three position four-way electromagnetic valves
3 telescoping tubes, 16 three position four-way electromagnetic valves, 30 infrared rays are followed the tracks of and camera head
4 water tanks, 17 three position four-way electromagnetic valves, 31 detectors
5 slides, 18 ponds (fire hydrant) 32 are by peg
6 aerial ladders, 19 hydraulic clutches, 33 conical gears
7 amplitude oil cylinder, 20 hydraulic clutches, 34 supports
8 rotary disks, 21 gear oil pumps, 35 conical gears
36 of 9 supporting legs, 22 two-position two-way solenoid valves
10 chassis, 23 two-position two-way solenoid valves, 37 bearing blocks
11 go out water pump 24 two-position two-way solenoid valves 38 fulcrums
12 intake pumps, 25 impactors, 39 oil cylinders (4)
13 driver's cabins, 26 sprayers, 40 oil cylinders (4)
41 two-position four-way solenoid valves (4), 58 two-position four-way solenoid valves
42 two-position four-way solenoid valves (4), 59 pressure-reducing valves
43 electrooptical devices, 60 piston rods
44 three position four-way electromagnetic valves, 61 splicing sleeves
45 hydraulic control one-way valves, 62 knife rests
46,47,48,49,63 holes
50 are two-position two-way solenoid valve 64 nuts
51,52,53,65 thrust bearings
54,55 be pressure 66 clear bits holes
56 hydraulic control one-way valves, 68 chip areas
57 three position four-way electromagnetic valves, 69 cutting knifes
High-altitude automatic fire control relief car is made up of workbench 1, water system, slide 5, aerial ladder 6, amplitude oil cylinder 7, rotary disk 8, chassis 10, driver's cabin 13, automatic control control system.
Change the hand-hydraulic control valve of the hydraulic control system of former fire fighting truck into the electromagnetic hydraulic pressure magnetic valve.
Water system by the water tank 4 that is installed in chassis middle part, go out water pump 11 and intake pump 12 is formed.
Automatic control system is followed the tracks of by infrared ray and camera head 30, detector 31 and computer constitute.Infrared facility is installed on the water cannon 14, and detector is installed on the workbench, and both are connected with the hydraulic system of water system, aerial ladder, amplitude oil cylinder and rotary disk respectively, and computer is connected with said system.When amplitude oil cylinder makes aerial ladder when its fulcrum turns to any angle aerial ladder lifting or landing, bottom to workbench remains being realized by gear mechanism 2 of horizontal level, this mechanism is fixed together the support 34 on conical gear 33 and the aerial ladder, and another conical gear 35 engagements that equate with the number of teeth, and gear 35 is by bearing block 37 supportings that are fixed on the workbench.When aerial ladder was motionless, gear 35 was fixed in the teeth groove of gear 33 when key uses, and it is motionless that workbench keeps.When aerial ladder rotated, gear 33 just forced gear 35 around its synchronous revolution, because gear 35 is subjected to limit shaft 36 and bearing spider 37 restrictions in gear 33, support 34, the support, can not rotate arbitrarily, so the workbench bottom always keeps horizontal level constant.
Telescoping tube 3 and aerial ladder synchronization telescope.After flowing to out water pump 11 superchargings from the water of water tank 4 via intermediate connection tube, connect flexible pipe by the centre and flow into telescoping tube, connect flexible pipe again through the centre and deliver to water cannon 14 and penetrate, realize fire-fighting work.Or, import three position four-way electromagnetic valve 17 more by the road and flow out, and carry out towards broken door glass through intermediate duct inflow impactor 25 via telescoping tube and the middle tee pipe coupling 29 that is connected on the flexible pipe of water cannon.Also can utilize the water motility to make the impactor rotation realize boring.Temperature around the workbench is elevated to when allowing the boundary line above, and infrared ray is followed the tracks of and the telecommunication signal of camera head 30 is connected the circuit of two-position two-way solenoid valve 24, and it is opened, and allows water by entering sprayer 26 mist coolings.Be water by tee pipe coupling 29 through connecting line by behind the magnetic valve 24, flow into sprayer through connecting line again.According to the fire location situation of change, infrared ray is followed the tracks of and camera head can accurately send the telecommunication signal, the circuit of three position four-way electromagnetic valve 15 and 16 is connected or interruption, the water route of magnetic valve is opened or closed, oil cylinder 27,28 is stretched out or withdraws, to proofread and correct orientation, water cannon upper and lower, left and right, the water that water cannon is penetrated is aimed at burning things which may cause a fire disaster.Be water by tee pipe coupling through the intermediate connection tube road to magnetic valve 15,16, deliver to oil cylinder through the intermediate connection tube road again, realize that water cannon follows the tracks of burning things which may cause a fire disaster.If water cannon forwards extreme position to, still can not aim at burning things which may cause a fire disaster, then the telecommunication signal of infrared ray tracking and camera head 30 is connected the circuit of the magnetic valve of three position four-way electromagnetic valve 38,44, aerial ladder telescoping mechanism hydraulic system, these valves are opened, allow hydraulic oil pass through, enter the hydraulic system of rotary disk and aerial ladder telescoping mechanism respectively, in the amplitude oil cylinder, make aerial ladder, the motion of amplitude oil cylinder rotary disk, till water cannon is aimed at burning things which may cause a fire disaster.Allow the flexible process that makes aerial ladder produce the luffing motion of amplitude oil cylinder be: after magnetic valve 44 energisings, oil circuit is opened, hydraulic oil flows through hydraulic control one-way valve 45 by it through the intermediate connection tube road and enters amplitude oil cylinder through the intermediate connection tube road again, (or the oil in the amplitude oil cylinder flows out through former road) makes the flexible aerial ladder that promotes of amplitude oil cylinder produce the luffing motion.
If pond (or fire hydrant) 18 is arranged near the scene of a fire, then can use intake pump 12 to supply water and provide water pump through the intermediate connection tube road, and go out the running of water pump and intake pump or stop is through two-position two- way solenoid valve 22 and 23 by gear oil pump 21 fuel feeding, enter the hydraulic clutch 19 and 20 in the transmission case again through the intermediate connection tube road, so to intake pump and go out power that water pump produces running realize in conjunction with or separate.
Each supporting leg 9 of chassis has two oil cylinders, has increased low pressure oil circuit and electrooptical device in the hydraulic system of four supporting legs of control.Include two-position four-way solenoid valve 58 and pressure-reducing valve 59 in the low pressure oil circuit, the low pressure oil circuit communicates with four oil cylinders 40 in the hydraulic system, and electrooptical device 43 is received two-position four-way solenoid valve 42 in computer and the hydraulic system.
After stopping in the scene of a fire of driving,, just can automatically 4 supporting legs 9 be stretched out by the program of computer layout as long as operator presses the button of master switch.4 legs land props car, and the vehicle frame on mat electrooptical device 43 leveling chassis 10 is on same horizontal plane.After treating to play specified altitude, stop automatically.Make amplitude oil cylinder 7 stretch out one section with after the aerial ladder rise and leaving the support of driver's cabin 13 back then, aerial ladder, amplitude oil cylinder, rotary disk three work simultaneously at this moment, and reaching the burning things which may cause a fire disaster optimum position until water cannon is stop motion.The motion process that allows supporting leg 9 stretch out and to land is: earlier with after two-position four-way solenoid valve 41 energisings, again three position four-way electromagnetic valve 57 left ends are switched on, be that oil circuit is open-minded, hydraulic oil just flows into oil cylinder 39 rear ends (being that oil cylinder stretches out) from p through a and intermediate connection tube road, after treating to stretch out entirely, with magnetic valve 41,57 outages (closing oil circuit), (circuit of magnetic valve 42 can be connected and interrupt to 43 telecommunication signal to connect the circuit of electrooptical device 43 again,) promptly open and close the oil circuit of magnetic valve 42, carrying out automatic horizontal control system handles, allow two-position four-way solenoid valve 42 and 58 switch on, magnetic valve 57 left ends are also switched on then, hydraulic oil is from magnetic valve 57,42, p flows into oil cylinder 40 tops through a and intermediate connection tube road, vehicle frame rises, and self-levels in the same horizontal plane and (to be the circuit that the telecommunication signal cut vehicle frame of electrooptical device exceeds that magnetic valve 42 in horizontal plane orientation, to make oil interrupt entering in that oil cylinder 40 in this orientation.The oil cylinder in other orientation still continues oil-feed, and after vehicle frame reached same horizontal plane, the telecommunication signal of electrooptical device recovered again) when having one to rise to the travel control switch position among 4 of oil cylinder 40,4 oil cylinders stop to rise simultaneously.。Be magnetic valve 42,58 outages, then, magnetic valve 57 also cuts off the power supply, and magnetic valve 57 is in the neutral position.This moment, the oil at oil cylinder 40 two ends was pinned jointly by the twin-lock on the oil cylinder and magnetic valve 42,57 and hydraulic control one-way valve 56, guaranteed that vehicle frame can for a long time sink.When certain is out of order thereby oil can not enter in that oil cylinder 40 in this orientation the time among 4 magnetic valves 42, hydraulic oil from magnetic valve 58p after 59 decompressions of a and pressure-reducing valve, low pressure oil is passed through the intermediate connection tube road again, without magnetic valve 42, flow directly into oil cylinder 40 tops in this orientation, guarantee that 4 oil cylinders 40 rise simultaneously.Electrooptical device is the standard light electric device.
When workbench or aerial ladder somewhere run into barrier (for example balcony or electric pole etc.), the telecommunication signal of detector 31 is immediately with magnetic valve 38,44 and aerial ladder hydraulic system three position four-way electromagnetic valve circuitry cuts, make aerial ladder, amplitude oil cylinder, rotary disk stop motion and activating alarm, workbench or aerial ladder are stopped in prescribed limit apart from barrier.
Also increased overload protection device in the hydraulic system of amplitude oil cylinder.When workbench or aerial ladder overload made stability reach police circles' line, pressure switch 51～55 promptly gave the alarm, and the circuit of the magnetic valve of its telecommunication signal cut magnetic valve 38,44 and aerial ladder hydraulic system makes aerial ladder, amplitude oil cylinder, rotary disk stop motion simultaneously.Prevent that the action principle that overloads from being: when aerial ladder when fulcrum 38 forwards certain angle to, corresponding one (for example 48) circuit is switched on (other 4 are cut off) in the two-position two-way solenoid valve 46～50, so the oil in the amplitude oil cylinder enters pressure switch 53 through the intermediate connection tube road by magnetic valve 48, when adding the oil pressure that is pressed in the amplitude oil cylinder when the overload of workbench or aerial ladder and reaching police circles' pressure that pressure switch 53 sets up, pressure switch 53 promptly sends telecommunication signal cut magnetic valve 38,44 and the aerial ladder hydraulic system in magnetic valve circuit and give the alarm, so aerial ladder, amplitude oil cylinder, the rotary disk stop motion guarantees safety.
Rescue is speedily carried out rescue work or when transporting article, also can use lifting slide 5 to slide up and down along aerial ladder.To lean on peg 32 by being suspended on balcony or the wall this moment.
The structural principle of impactor 25 energy rotary drillings: flow on the knife rest 62 through the hole on the splicing sleeve on it 61 63 from the water that connects the hollow piston bar 60 on the impactor, 67 penetrate from the hole.Because knife rest hole 67 is to offer along the tangential direction of radius R, so the reaction force of the water that penetrates just promotes the knife rest rotation.And knife rest is bearing on the splicing sleeve by thrust bearing 65, and fixing with nut 64, and knife rest can rotate freely on splicing sleeve.Utilize the cutting knife 69 on the knife rest to realize boring, the chip that cuts is discharged by chip area 68 and is removed by the water that clear bits hole 66 is penetrated.
The utility model has the water tank provided for oneself, goes out complete water systems such as water pump, intake pump, does not need other water tender supporting, can independent immediately fire extinguishing behind the scene, and especially more suitable in narrow and small place.
The fire fighting truck total movement of this structure and safety measure all with hydraulic pressure and computer control, realize whole automations accurately and reliably, only need 2～3 staff.The control of infrared ray tracking and camera head and computer program is housed simultaneously, work rapidly and can remote operation, the dangerous area that can be difficult to adapt to personnel (scenes of a fire such as the oil depot of for example inflammable and explosive, high temperature, chemicals storehouse) carries out fire-fighting work.Wide accommodation, casualty accident is few.And the fire fighting truck workbench stable working of this structure.
Claims (7)
1, a kind of high-altitude fire-fighting and rescue car includes driver's cabin 13, chassis 10, aerial ladder 6, workbench 1, slide 5 and hydraulic system, water cannon 14 is contained on the workbench, telescoping tube 3 is contained on the aerial ladder, amplitude oil cylinder 7 two ends are hinged on respectively on rotary disk 8 and the aerial ladder, and rotary disk is fixed on the chassis, and are hinged with aerial ladder, four supporting legs 9 are installed under the chassis, it is characterized in that also having water system and automatic control system;
Water system: at the middle part on chassis water tank 4 is installed, goes out water pump 11 and intake pump 12;
Automatic control system: infrared ray is followed the tracks of and camera head 30 is installed on the water cannon, detector 31 is installed on the workbench, infrared ray tracking and camera head are connected with the hydraulic system of water system, aerial ladder, amplitude oil cylinder and rotary disk respectively with detector, and computer is connected with said system.
2, according to the described high-altitude of claim 1 fire-fighting and rescue car, it is characterized in that controlling in the hydraulic system of four supporting legs and increase low pressure oil circuit and electrooptical device, include two-position four-way solenoid valve 58 and pressure-reducing valve 59 in the low pressure oil circuit, the low pressure oil circuit communicates with 4 oil cylinders 40 in the hydraulic system, and electrooptical device 43 connects computer and hydraulic system two-position four-way solenoid valve 42.
3, according to claim 1,2 described high-altitude fire-fighting and rescue cars, the hydraulic structure that it is characterized in that said water system: on the middle part, chassis, water tank 4 is installed, go out water pump 11 and intake pump 12, infrared tracking camera head connects three position four-way electromagnetic valve 15,16,17 respectively; Water cannon connects oil cylinder 27,28, oil cylinder connects three position four-way electromagnetic valve 15,16 respectively, the parallel installation with water cannon of impactor 25 is fixed on the platform and connects three-position four-way valve 17, and sprayer 26 connects two-position two-way solenoid valve 24, two-position three way magnetic valve 23 connects hydraulic clutch 20, hydraulic clutch taps into water pump 12, and intake pump picks out water pump 11, goes out water pump and connects water tank 4, two-position two-way solenoid valve 22 connects hydraulic clutch 19, and hydraulic clutch 19 picks out water pump 11; Two-position three way magnetic valve 22,23 connects gear oil pump 21, and oil pump 21 picks out water pump, intake pump.
4, according to claim 1,2 described high-altitude fire-fighting and rescue cars; the hydraulic system that it is characterized in that amplitude oil cylinder also has overload protection device; five pressure switches of protective device connect five two-position two-way solenoid valves; 5 magnetic valves connect amplitude oil cylinder, and 5 pressure switches connect the three position four-way electromagnetic valve of the hydraulic system of three position four-way electromagnetic valve 38,44 and aerial ladder simultaneously respectively.
5, according to the described high-altitude of claim 3 fire-fighting and rescue car; the hydraulic system that it is characterized in that amplitude oil cylinder also has overload protection device; 5 pressure switches of protective device connect 5 two-position two-way solenoid valves; 5 magnetic valves connect amplitude oil cylinder, and 5 pressure switches connect the three position four-way electromagnetic valve of the hydraulic system of three position four-way electromagnetic valve 38,44 and aerial ladder simultaneously respectively.
6, according to the described high-altitude of claim 3 fire-fighting and rescue car, it is characterized in that a gear mechanism 2 is being arranged on the workbench and between the aerial ladder, conical gear 33 is affixed with aerial ladder support 34, and conical gear 35 is affixed with the bearing spider 37 that is fixed on the workbench, and limit shaft 36 is housed in the support 34.
7, according to the described high-altitude of claim 1 fire-fighting and rescue car, the hollow piston bar 60 fixedly connected splicing sleeves 61 that it is characterized in that impactor 25, the splicing sleeve knife rest 62 that is rotationally connected, cutting knife 69 and chip area 68 are arranged on the knife rest 62 and pass through bearing 65 and be connected with nut 64, porose 66,67 on the knife rest, on the splicing sleeve 61 porose 63.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92202299 CN2113792U (en) | 1992-02-11 | 1992-02-11 | Automatic aerial fire and rescue vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92202299 CN2113792U (en) | 1992-02-11 | 1992-02-11 | Automatic aerial fire and rescue vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2113792U true CN2113792U (en) | 1992-08-26 |
Family
ID=4949176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92202299 Granted CN2113792U (en) | 1992-02-11 | 1992-02-11 | Automatic aerial fire and rescue vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2113792U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099881B (en) * | 2007-07-27 | 2010-08-11 | 焦澍峥 | Pneumatic high-altitude rescue vehicle |
| CN101683843B (en) * | 2008-09-28 | 2012-05-02 | 徐州重型机械有限公司 | Landing leg operation control device of wheeled engineering machinery chassis |
| CN102500082A (en) * | 2011-11-18 | 2012-06-20 | 长沙中联消防机械有限公司 | Water pipeline connecting structure for fire truck and fire truck with same |
| CN102500081A (en) * | 2011-11-18 | 2012-06-20 | 长沙中联消防机械有限公司 | Mounting structure of telescopic boom and telescopic pipe and fire engine provided with same |
| CN102743832A (en) * | 2012-06-20 | 2012-10-24 | 中联重科股份有限公司 | Fire-fighting machinery fire-extinguishing operation control method, device and system |
| CN102826492A (en) * | 2012-08-09 | 2012-12-19 | 长沙中联消防机械有限公司 | Slide bar control device and overhead working truck applying same |
| CN103990242A (en) * | 2014-06-05 | 2014-08-20 | 长沙中联消防机械有限公司 | Fire engine and protection device and system for preventing misoperation of ladder rack of fire engine |
| CN105735879A (en) * | 2016-03-17 | 2016-07-06 | 合肥晨煦信息科技有限公司 | Novel extension ladder |
| CN106075777A (en) * | 2016-07-29 | 2016-11-09 | 张帅 | Unmanned relief car |
| CN107206263A (en) * | 2014-11-24 | 2017-09-26 | 奥斯克什公司 | The terraced component of fire-fighting equipment |
| CN107206262A (en) * | 2014-11-24 | 2017-09-26 | 奥斯克什公司 | The leg assembly of fire-fighting equipment |
| CN107983559A (en) * | 2017-11-23 | 2018-05-04 | 深圳市中亿远环保科技有限责任公司 | Far range spraying apparatus device |
| CN111068214A (en) * | 2019-12-31 | 2020-04-28 | 三一汽车制造有限公司 | Fire engine cantilever crane device and fire engine |
-
1992
- 1992-02-11 CN CN 92202299 patent/CN2113792U/en active Granted
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099881B (en) * | 2007-07-27 | 2010-08-11 | 焦澍峥 | Pneumatic high-altitude rescue vehicle |
| CN101683843B (en) * | 2008-09-28 | 2012-05-02 | 徐州重型机械有限公司 | Landing leg operation control device of wheeled engineering machinery chassis |
| CN102500082A (en) * | 2011-11-18 | 2012-06-20 | 长沙中联消防机械有限公司 | Water pipeline connecting structure for fire truck and fire truck with same |
| CN102500081A (en) * | 2011-11-18 | 2012-06-20 | 长沙中联消防机械有限公司 | Mounting structure of telescopic boom and telescopic pipe and fire engine provided with same |
| CN102500081B (en) * | 2011-11-18 | 2014-03-05 | 长沙中联消防机械有限公司 | Mounting structure of telescopic boom and telescopic pipe and fire engine provided with same |
| CN102743832A (en) * | 2012-06-20 | 2012-10-24 | 中联重科股份有限公司 | Fire-fighting machinery fire-extinguishing operation control method, device and system |
| CN102743832B (en) * | 2012-06-20 | 2015-06-17 | 中联重科股份有限公司 | Fire-fighting machinery fire-extinguishing operation control method, device and system |
| CN102826492B (en) * | 2012-08-09 | 2014-12-17 | 长沙中联消防机械有限公司 | Slide bar control device and overhead working truck applying same |
| CN102826492A (en) * | 2012-08-09 | 2012-12-19 | 长沙中联消防机械有限公司 | Slide bar control device and overhead working truck applying same |
| CN103990242A (en) * | 2014-06-05 | 2014-08-20 | 长沙中联消防机械有限公司 | Fire engine and protection device and system for preventing misoperation of ladder rack of fire engine |
| CN103990242B (en) * | 2014-06-05 | 2017-01-18 | 长沙中联消防机械有限公司 | Fire engine and protection device and system for preventing misoperation of ladder rack of fire engine |
| CN107206263A (en) * | 2014-11-24 | 2017-09-26 | 奥斯克什公司 | The terraced component of fire-fighting equipment |
| CN107206262A (en) * | 2014-11-24 | 2017-09-26 | 奥斯克什公司 | The leg assembly of fire-fighting equipment |
| CN107206262B (en) * | 2014-11-24 | 2020-01-21 | 奥斯克什公司 | Landing leg subassembly that fire-fighting equipment used |
| CN107206263B (en) * | 2014-11-24 | 2020-01-21 | 奥斯克什公司 | Ladder assembly for fire fighting equipment |
| CN105735879A (en) * | 2016-03-17 | 2016-07-06 | 合肥晨煦信息科技有限公司 | Novel extension ladder |
| CN106075777A (en) * | 2016-07-29 | 2016-11-09 | 张帅 | Unmanned relief car |
| CN107983559A (en) * | 2017-11-23 | 2018-05-04 | 深圳市中亿远环保科技有限责任公司 | Far range spraying apparatus device |
| CN111068214A (en) * | 2019-12-31 | 2020-04-28 | 三一汽车制造有限公司 | Fire engine cantilever crane device and fire engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |