CN115944873A - Intelligent fire engine - Google Patents
Intelligent fire engine Download PDFInfo
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- CN115944873A CN115944873A CN202211605708.0A CN202211605708A CN115944873A CN 115944873 A CN115944873 A CN 115944873A CN 202211605708 A CN202211605708 A CN 202211605708A CN 115944873 A CN115944873 A CN 115944873A
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- water
- fire
- fire fighting
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- wheels
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 230000009194 climbing Effects 0.000 claims description 27
- 230000009193 crawling Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 3
- 241000219098 Parthenocissus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire engines, in particular to an intelligent fire engine which comprises a fire engine body, wherein the upper part of the fire engine body is provided with an upper carriage, the bottom of the fire engine body is provided with a lower carriage, a water storage cavity is formed in the upper carriage, a fixed water pipe is arranged in the water storage cavity, one end of the fixed water pipe is fixed with a water suction disc, and one side in the upper carriage is also provided with a storage battery; compared with the prior art, the invention can realize the arbitrary movement of the ground of the fire truck by utilizing the lower frame and the wheels, can finish the water spraying and fire extinguishing treatment of the peripheral fire by utilizing the water storage cavity, the fixed water pipe and the water sucking disc in the upper box and matching with the water spraying seat, the water suction pump, the water spraying pipe and the water outlet nozzle, has small volume and flexible movement of the whole fire truck, can be suitable for the fire extinguishing use with narrow road, can finish the timely fire extinguishing work, avoids the condition of fire behavior enlargement caused by fire delay, and ensures the fire safety of the area.
Description
Technical Field
The invention relates to the technical field of fire trucks, in particular to an intelligent fire truck.
Background
The occurrence of a fire is basically based on an unexpected situation, and when such an unexpected fire occurs, if the fire-fighting vehicle can quickly arrive at the scene in time to extinguish the fire, the loss can be reduced to the maximum extent.
The existing fire fighting truck mostly adopts a double-power system, the power required by the traveling of the truck and the power required by the fire pump are respectively provided by different power devices, the fire fighting truck has large fire fighting power and is beneficial to the fire fighting of major fires in cities and the like, but the fire fighting truck has the advantages of complex structure, huge volume, poor flexibility, high manufacturing cost and high use cost.
Particularly, for the narrow road area, the large fire engine cannot enter, so that the fire extinguishing opportunity is delayed, and great loss is brought to lives and properties of people.
Disclosure of Invention
The invention aims to provide an intelligent fire engine to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the intelligent fire fighting truck comprises a fire fighting truck body, wherein an upper truck box is arranged at the upper part of the fire fighting truck body, a lower truck frame is arranged at the bottom of the fire fighting truck body, a water storage cavity is formed in the upper truck box, a fixed water pipe is installed in the water storage cavity, a water suction disc is fixed at one end of the fixed water pipe, a storage battery is further arranged on one side of the inner part of the upper truck box, wheels are installed on two sides of the lower truck frame, a driving unit for driving the wheels to rotate is connected to the wheels, a water spraying seat is arranged at the top of the upper truck box, a water suction pump communicated with the water storage cavity is arranged in the water spraying seat, and one end of the water spraying seat is connected with a water outlet nozzle through a water spraying pipe.
As a preferable technical scheme, the wheels comprise ground travelling wheels and climbing frame wheels fixedly connected to one sides of the ground travelling wheels, first gear teeth are uniformly arranged on the outer surfaces of the climbing frame wheels, and a driving shaft is connected between the ground travelling wheels and the driving unit.
As a preferable technical scheme, the automatic wheel hub transmission device further comprises two groups of crawling track frames, front special-shaped grooves matched with the first gear teeth are uniformly formed in the front side surfaces of the crawling track frames, and the two groups of crawling track frames are connected through adjusting pieces.
As a preferable technical scheme, the adjusting part comprises a movable rod sleeve and a position adjusting rod, the position adjusting rod is in threaded connection with one end of the movable rod sleeve, the movable rod sleeve and the position adjusting rod are fixed through a fixing bolt, and the movable rod sleeve and the position adjusting rod are respectively provided with a plurality of screw holes.
According to a preferable technical scheme of the invention, the two sides of the fire fighting truck body are also provided with inner climbing wheels, the inner climbing wheels comprise mounting seats fixed on the fire fighting truck body, the mounting seats are provided with second motors, the output ends of the second motors are connected with crawling inner wheels, and second gear teeth are uniformly distributed on the outer surfaces of the crawling inner wheels.
As a preferred technical scheme of the invention, the opposite side walls of the two groups of crawling track frames are respectively provided with an inner special-shaped groove matched with the second gear tooth, and the front special-shaped groove and the inner special-shaped groove are respectively provided with a clamping convex part.
According to a preferable technical scheme, mounting top plates are arranged at the tops of the two groups of crawling track frames, a fixed jacking piece is connected to the mounting top plates in a threaded mode, and an anti-skid piece is connected to one end of the fixed jacking piece.
As a preferable technical scheme of the present invention, an external gear is disposed on an outer surface of the water spray seat, a first driving gear is engaged with one side of the external gear, a first motor for driving the first driving gear to rotate is mounted on the first driving gear, the water suction pump is connected with the water spray seat through a connection hose, the water suction pump is connected with a fixed water pipe, and a rotary sealing member is disposed at the connection position.
As a preferable technical solution of the present invention, the driving unit includes a main driving mechanism, and the main driving mechanism includes a third motor fixed on the lower frame, an output end of the third motor is mounted with a second driving gear, the second driving gear is engaged with a driven gear, and the driven gear is engaged with a transmission gear, and the transmission gear is fixed on the driving shaft.
According to a preferable technical scheme, the cross section of the water absorption disc is of an L-shaped structure, a plurality of water inlet holes are formed in the surface of the water absorption disc, a water inlet pipe is arranged at one end of the upper compartment, and a fire-fighting water pipe is fixedly mounted on the water inlet pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the intelligent fire truck, the ground of the fire truck can be moved freely by arranging the fire truck body, utilizing the lower truck frame and the wheels, the water storage cavity, the fixed water pipe and the water suction disc in the upper truck box are utilized and matched with the water spray seat, the water suction pump, the water spray pipe and the water outlet nozzle, the water spray fire extinguishing treatment on the peripheral fire can be completed, the whole fire truck is small in size and flexible to move, the intelligent fire truck can be suitable for fire extinguishing with narrow roads, the timely fire extinguishing work can be completed, the situation that the fire is enlarged due to delay of the fire can be avoided, and the fire safety of the area can be guaranteed.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a structural elevation view of the fire fighting vehicle body of the present invention;
FIG. 2 is an interior schematic view of the fire fighting vehicle body of the present invention;
FIG. 3 is a schematic view of a connection structure of a lower frame and a crawling track frame according to the present invention;
FIG. 4 is a schematic structural view of the fire fighting truck body of the present invention operating on a creeper track frame;
FIG. 5 is an enlarged view of the structure of FIG. 4 at A in accordance with the present invention;
FIG. 6 is a schematic structural view of the inner climbing wheel of the present invention;
in the figure: 1. a fire fighting truck body; 10. a vehicle lamp; 11. loading the truck on a truck bed; 12. a lower frame; 13. a water storage cavity; 14. fixing a water pipe; 15. a water absorbing pan; 16. a water inlet hole; 17. a water inlet pipe; 18. a fire hose; 19. a storage battery; 2. a wheel; 21. a ground travelling wheel; 22. a climbing wheel; 23. a first gear tooth; 24. a drive shaft; 3. a water spraying seat; 31. a water pump; 32. an outer gear; 33. a first motor; 34. a first drive gear; 35. a connecting hose; 36. a water spray pipe; 37. a water outlet nozzle; 38. a rotary seal; 4. a creeper rail frame; 41. a front profile groove; 42. an inner profile groove; 43. installing a top plate; 44. fixing the top piece; 45. anti-slip sheets; 46. a clamping convex part; 5. an inner climbing wheel; 51. a crawling inner wheel; 52. a second gear tooth; 53. a second motor; 54. a mounting seat; 6. a main drive mechanism; 61. a third motor; 62. a second drive gear; 63. a driven gear; 64. a transmission gear; 7. an adjustment member; 71. a movable rod sleeve; 72. a positioning rod; 73. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, in the first embodiment, an intelligent fire fighting truck is provided, which includes a fire fighting truck body 1, an upper truck box 11 is disposed on an upper portion of the fire fighting truck body, a lower truck frame 12 is disposed at a bottom portion of the fire fighting truck body, a water storage cavity 13 is disposed inside the upper truck box 11, a fixed water pipe 14 is disposed in the water storage cavity 13, a water absorption plate 15 is fixed at one end of the fixed water pipe 14, a storage battery 19 is further disposed on one side inside the upper truck box 11, wheels 2 are mounted on two sides of the lower truck frame 12, a driving unit for driving the wheels 2 to rotate is connected to the wheels 2, a water spray seat 3 is disposed on a top portion of the upper truck box 11, a water suction pump 31 communicated with the water storage cavity 13 is disposed in the water spray seat 3, one end of the water spray seat 3 is connected to a water spray nozzle 37 through a water spray pipe 36, wherein the driving unit may be a motor with a wireless remote controller.
The outer surface of the water spray seat 3 is provided with an outer gear 32, one side of the outer gear 32 is engaged with a first driving gear 34, the first driving gear 34 is provided with a first motor 33 for driving the first driving gear to rotate, the water suction pump 31 is connected with the water spray seat 3 through a connecting hose 35, the water suction pump 31 is connected with the fixed water pipe 14, and the connecting part is provided with a rotary sealing element 38.
When a fire occurs on the ground (such as old urban areas and the periphery) of a narrow road area, the wheels 2 can be started to rotate by using the wireless remote controller of the motor, the fire fighting truck body 1 is driven to move to a fire accessory, the water suction pump 31 is started, water in the water storage cavity 13 can be pumped out, and the water is sprayed out through the water spray head 37 of the water spray pipe 36, so that the fire source point is subjected to fire extinguishing treatment.
And utilize outer gear 32 and first drive gear 34, can drive first motor 33 when needing, drive outer gear 32 and rotate to can drive water spray seat 3 and take place to rotate, and then can realize the regulation of spray pipe 36 orientation, can promote the fire extinguishing ability of fire engine according to the arbitrary water spray direction of adjusting the fire engine of demand.
Example two
When the fire occurs on a higher floor, because the size of the fire truck is not large and the water outlet pressure is not high, in order to extinguish fire at high-rise positions, the invention adopts the structure that on the basis of the first embodiment, the following parts are added, the wheels 2 comprise ground walking wheels 21 and climbing frame wheels 22 fixedly connected to one sides of the ground walking wheels 21, and the outer surface of the climbing frame wheel 22 is evenly provided with first gear teeth 23, and a driving shaft 24 is connected between the ground walking wheel 21 and the driving unit, and also comprises two groups of climbing track frames 4, front special-shaped grooves 41 matched with the first gear teeth 23 are uniformly formed in the front side surface of the crawling track frame 4, the two crawling track frames 4 are connected through an adjusting piece 7, inner crawling wheels 5 are further mounted on two sides of the fire fighting truck body 1, the inner climbing wheel 5 comprises a mounting seat 54 fixed on the fire-fighting truck body 1, a second motor 53 is arranged on the mounting seat 54, the output end of the second motor 53 is connected with a climbing inner wheel 51, second gear teeth 52 are uniformly distributed on the outer surface of the inner crawling wheel 51, inner special-shaped grooves 42 matched with the second gear teeth 52 are formed on the opposite side walls of the two groups of crawling track frames 4, and the front special-shaped groove 41 and the inner special-shaped groove 42 are both provided with a blocking convex part 46, the driving unit comprises a main driving mechanism 6, and the main driving mechanism 6 comprises a third motor 61 fixed on the lower frame 12, the output end of the third motor 61 is provided with a second driving gear 62, the second driving gear 62 is engaged with a driven gear 63, and the driven gear 63 is engaged with a transmission gear 64, the transmission gear 64 is fixed on the driving shaft 24, the top of the two groups of crawling track frames 4 are provided with mounting top plates 43, and the mounting top plate 43 is connected with a fixed top piece 44 through a thread, and one end of the fixed top piece 44 is connected with an anti-slip sheet 45.
The climbing rail frame 4 can be fixed in areas such as windowsill outer eaves of the same or similar floors of high-rise fire conditions by the aid of the installation top plate 43, then the climbing rail frame 4 is stably installed at the corresponding high-rise floor position by screwing the fixed top piece 44, and the vertical downward extension of the climbing rail frame 4 is ensured to be outside the outer wall surface of the building, at the moment, the fire truck can drive the third motor 61 and the second motor 53, the third motor 61 can drive the second driving gear 62, the driven gear 63, the transmission gear 64 and the driving shaft 24 to rotate, so that the ground walking wheels 21 and the climbing wheels 22 of the wheels 2 are driven to synchronously rotate, the rotating climbing wheels 22 can enable the first gear teeth 23 to be uniformly clamped into the front special-shaped groove 41, the second motor 53 drives the climbing inner wheel 51 to rotate, the rotating climbing inner wheel 51 can drive the second gear teeth 52 to be continuously clamped into the inner special-shaped groove 42, upward climbing of the fire truck body 1 is realized, the fire truck body 1 ascends to the high-rise fire condition accessory areas according to the climbing rail frame 4, and accordingly fire extinguishing treatment of the high-rise floors is facilitated.
The adjusting part 7 comprises a movable rod sleeve 71 and a position adjusting rod 72, the position adjusting rod 72 is in threaded connection with one end of the movable rod sleeve 71, the movable rod sleeve 71 and the position adjusting rod 72 are fixed through a fixing bolt 73, and a plurality of screw holes are formed in the movable rod sleeve 71 and the position adjusting rod 72.
Through the movable rod sleeve 71, the positioning rod 72 and the fixing bolt 73 of the adjusting piece 7, the length of the adjusting piece 7 can be adjusted, and the distance between the two crawling track frames 4 can be adjusted according to requirements.
Further, for better for providing water yield duration for the fire engine, the cross-section of the dish 15 that absorbs water is L font structure, and a plurality of inlet opening 16 has been seted up on the surface of dish 15 that absorbs water, and the one end of getting on the railway carriage 11 is equipped with inlet tube 17, and fixed mounting has fire hose 18 on the inlet tube 17.
Wherein, utilize inlet tube 17 and fire hose 18, can be linked together the water storage chamber 13 of fire engine with fire hose 18 to promote the water yield duration of fire engine greatly, guarantee the fire control is put out a fire the water yield sufficient, and utilizes the dish 15 that absorbs water of L shape, no matter the fire engine is in ground walking mode of putting out a fire or scrambles high-rise mode of putting out a fire, all can ensure suction pump 31 and can extract the water in the water storage chamber 13, stability when promoting the use of fire engine.
Still install car light 10 on the fire control automobile body 1, car light 10 equipartition is on the side all around of fire control automobile body 1, and car light 10, suction pump 31, first motor 33, second motor 53 and third motor 61 all with battery 19 electric connection, can ensure the independent wireless work of fire engine, and car light 10 can help the work of putting out a fire at night of fire engine.
It is worth noting that: the whole device realizes control over the device through the master control button, and because the equipment matched with the control button is common equipment, the device belongs to the prior mature technology, and the electrical connection relation and the specific circuit structure of the device are not described any more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An intelligent fire fighting truck is characterized by comprising a fire fighting truck body (1), wherein an upper truck box (11) is arranged at the upper part of the fire fighting truck body, a lower truck box (12) is arranged at the bottom of the fire fighting truck body, a water storage cavity (13) is formed in the upper truck box (11), a fixed water pipe (14) is arranged in the water storage cavity (13), a water suction disc (15) is fixed at one end of the fixed water pipe (14), a storage battery (19) is further arranged on one side of the inner part of the upper truck box (11), wheels (2) are arranged on two sides of the lower truck box (12), a driving unit for driving the wheels (2) to rotate is connected to the wheels, a water spraying seat (3) is arranged at the top of the upper truck box (11), a water suction pump (31) communicated with the water storage cavity (13) is arranged in the water spraying seat (3), and a water outlet nozzle (37) is connected to one end of the water spraying seat (3) through a water spraying pipe (36).
2. The intelligent fire fighting truck according to claim 1, wherein the wheels (2) comprise ground travelling wheels (21) and climbing wheels (22) fixedly connected to one sides of the ground travelling wheels (21), first gear teeth (23) are uniformly arranged on the outer surfaces of the climbing wheels (22), and a driving shaft (24) is connected between the ground travelling wheels (21) and the driving unit.
3. The intelligent fire fighting truck as claimed in claim 2, further comprising two groups of crawling track frames (4), wherein front profiled grooves (41) matched with the first gear teeth (23) are uniformly formed in the front side surfaces of the crawling track frames (4), and the two groups of crawling track frames (4) are connected through adjusting pieces (7).
4. The intelligent fire fighting truck according to claim 3, wherein the adjusting member (7) comprises a movable rod sleeve (71) and a position adjusting rod (72), the position adjusting rod (72) is in threaded connection with one end of the movable rod sleeve (71), the movable rod sleeve (71) and the position adjusting rod (72) are fixed through a fixing bolt (73), and a plurality of screw holes are formed in the movable rod sleeve (71) and the position adjusting rod (72).
5. The intelligent fire fighting truck according to claim 4, wherein the two sides of the fire fighting truck body (1) are further provided with inner climbing wheels (5), each inner climbing wheel (5) comprises a mounting seat (54) fixed on the fire fighting truck body (1), a second motor (53) is mounted on each mounting seat (54), the output end of each second motor (53) is connected with a climbing inner wheel (51), and the outer surface of each climbing inner wheel (51) is uniformly provided with second wheel teeth (52).
6. The intelligent fire fighting truck according to claim 5, wherein the opposite side walls of the two sets of crawling track frames (4) are provided with inner profiled grooves (42) matched with the second gear teeth (52), and the front profiled grooves (41) and the inner profiled grooves (42) are provided with clamping convex parts (46).
7. The intelligent fire fighting truck according to claim 1, wherein the tops of the two groups of crawling track frames (4) are provided with mounting top plates (43), the mounting top plates (43) are connected with fixed top pieces (44) in a threaded manner, and one ends of the fixed top pieces (44) are connected with anti-skid pieces (45).
8. The intelligent fire engine as claimed in claim 1, wherein the outer surface of the water spraying base (3) is provided with an external gear (32), one side of the external gear (32) is engaged with a first driving gear (34), the first driving gear (34) is provided with a first motor (33) for driving the first motor to rotate, the water suction pump (31) is connected with the water spraying base (3) through a connecting hose (35), the water suction pump (31) is connected with the fixed water pipe (14), and a rotary sealing member (38) is arranged at the connecting position.
9. The intelligent fire engine as claimed in claim 2, wherein the driving unit comprises a main driving mechanism (6), the main driving mechanism (6) comprises a third motor (61) fixed on the lower frame (12), a second driving gear (62) is mounted at the output end of the third motor (61), a driven gear (63) is meshed on the second driving gear (62), a transmission gear (64) is meshed on the driven gear (63), and the transmission gear (64) is fixed on the driving shaft (24).
10. The intelligent fire fighting truck according to claim 1, wherein the cross section of the water absorbing tray (15) is of an L-shaped structure, a plurality of water inlet holes (16) are formed in the surface of the water absorbing tray (15), a water inlet pipe (17) is arranged at one end of the upper truck box (11), and a fire fighting water pipe (18) is fixedly installed on the water inlet pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211605708.0A CN115944873B (en) | 2022-12-14 | 2022-12-14 | Intelligent fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211605708.0A CN115944873B (en) | 2022-12-14 | 2022-12-14 | Intelligent fire engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115944873A true CN115944873A (en) | 2023-04-11 |
| CN115944873B CN115944873B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211605708.0A Active CN115944873B (en) | 2022-12-14 | 2022-12-14 | Intelligent fire engine |
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| Country | Link |
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| CN (1) | CN115944873B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130112440A1 (en) * | 2011-11-04 | 2013-05-09 | King Saud University | Smart compact Indoor Firefighting Robot for Extinguishing a Fire at an Early Stage |
| CN105000511A (en) * | 2015-07-13 | 2015-10-28 | 沈阳建筑大学 | Pre-embedded guide rail type firefighting rescue system of high-rise and super high-rise building |
| CN211660281U (en) * | 2019-12-27 | 2020-10-13 | 安徽车威仕汽车用品有限公司 | Spray gun for removing oil stain in automobile engine |
| CN214912898U (en) * | 2020-12-16 | 2021-11-30 | 山东华宇工学院 | Forest fire extinguishing vehicle |
-
2022
- 2022-12-14 CN CN202211605708.0A patent/CN115944873B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130112440A1 (en) * | 2011-11-04 | 2013-05-09 | King Saud University | Smart compact Indoor Firefighting Robot for Extinguishing a Fire at an Early Stage |
| CN105000511A (en) * | 2015-07-13 | 2015-10-28 | 沈阳建筑大学 | Pre-embedded guide rail type firefighting rescue system of high-rise and super high-rise building |
| CN211660281U (en) * | 2019-12-27 | 2020-10-13 | 安徽车威仕汽车用品有限公司 | Spray gun for removing oil stain in automobile engine |
| CN214912898U (en) * | 2020-12-16 | 2021-11-30 | 山东华宇工学院 | Forest fire extinguishing vehicle |
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| CN115944873B (en) | 2024-08-09 |
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