CN107398052B - Semi-automatic fire engine - Google Patents
Semi-automatic fire engine Download PDFInfo
- Publication number
- CN107398052B CN107398052B CN201710842739.0A CN201710842739A CN107398052B CN 107398052 B CN107398052 B CN 107398052B CN 201710842739 A CN201710842739 A CN 201710842739A CN 107398052 B CN107398052 B CN 107398052B
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- gear
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- support frame
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000005192 partition Methods 0.000 claims abstract description 15
- 239000007858 starting material Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000037452 priming Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a semi-automatic fire fighting truck which comprises a shell, a partition plate, a water diversion pipe, a support frame and a semi-automatic transmission fire fighting system, wherein the water diversion pipe is arranged above and behind the shell, the partition plate divides the shell into a transmission area and a water storage area, outlets of a water turbine and the water diversion pipe are positioned in the water storage area of the shell, the outlet of the water diversion pipe faces the water turbine, the water turbine in the semi-automatic transmission fire fighting system is positioned in the water storage area of the shell, other parts are positioned in the transmission area of the shell, the water turbine is transversely arranged between a first support frame and a second support frame, the semi-automatic transmission fire fighting system is connected with a self-priming pump through a transmission shaft, the self-priming pump is positioned in front of the inner part of the shell, the self-priming pump is sleeved on the transmission shaft, a long rod is rotatably connected with a crank, the long rod is vertically arranged, and the top end of the long rod is connected with a buoyancy ball. The invention adopts a mechanical structure, thereby replacing a fireman to approach the fire scene to a greater extent, and the transmission device adopts gear engagement, thus being more reliable and stable.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a semi-automatic fire fighting truck.
Background
With the rapid development of social economy, large and complex fires are increasingly occurring, and the difficulty in extinguishing fires and rescuing personnel is increasing. In the face of modern fire, the fighting performance of the active fire fighting truck obviously cannot meet the requirements, and is mainly shown in the following steps: firstly, the fire extinguishing agent that erupts can not give full play to its efficiency of putting out a fire, and the majority falls on the ground or has run off after the fire extinguishing agent that active service fire engine erupted reachs the scene of a fire, and the efficiency of putting out a fire is not high. When a fire is extinguished, the fire extinguishing concentration of the fire extinguishing agent in a combustion area needs to be maintained, the fire extinguishing agent needs to be continuously sprayed, and serious water damage and chemical pollution to the environment are often caused; and secondly, the jet power is insufficient and limited by matching of the structural strength of the automobile and the power of the engine, and the ratio of the power device of the fire truck in service to the mass of the whole automobile is difficult to break through the limit of 30 kW/t. In the face of large fire, the shortage of the jet power of a single fire truck cannot eject a large amount of effective fire extinguishing agents to a fire scene in a short time, and the fire behavior of a big fire cannot be controlled and the fire can be quickly extinguished in the first time, so that dozens or even hundreds of fire trucks are required to be called for combined operation, and the cost is high.
Disclosure of Invention
The invention aims to provide a semi-automatic fire engine which can replace a fireman to approach a fire scene to a greater extent and carry out close-range efficient fire extinguishing on a fire source.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a semi-automatic fire fighting truck comprises a shell, a partition plate, a water conduit arranged above the back of the shell, a support frame and a semi-automatic transmission fire fighting system, wherein the partition plate, the support frame and the semi-automatic transmission fire fighting system are all arranged in the shell; the shell is divided into a transmission area and a water storage area by the partition plate, the outlet of the water conduit faces the water storage area of the shell, the water turbine in the semi-automatic transmission fire-fighting system is positioned in the water storage area of the shell, and the rest parts are positioned in the transmission area of the shell; the first support frame is positioned in the water storage area of the shell, the second support frame is positioned in the transmission area of the shell, and the first support frame and the second support frame are in inverted triangle shapes; the water turbine is transversely arranged between the first support frame and the second support frame and comprises four bowl-shaped water diversion grooves and an output shaft, the water diversion grooves are arranged on the output shaft in a cross shape, the bowl mouths of the bowl-shaped water diversion grooves are distributed in the same direction anticlockwise, and the outlets of the water diversion pipes face the water diversion grooves; the semi-automatic transmission fire-fighting system is characterized in that a first gear and a water turbine are coaxially arranged, a bevel gear at one end of a first gear shaft is meshed with the first gear, a bevel gear at the other end of the first gear shaft is meshed with a second gear, the second gear is meshed with a fourth gear through a third gear, a fifth gear is meshed with a sixth gear through a second gear shaft, the sixth gear is connected with a self-priming pump through a transmission shaft, the self-priming pump is located in front of the inside of a shell, the self-priming pump is sleeved on the transmission shaft, a crank is connected to the end face of the third gear and comprises a cylinder, a first connecting rod and a second connecting rod, the first connecting rod is located in a transmission area of the shell, the second connecting rod is located in a water storage area of the shell, the length of the second connecting rod is larger than that of the first connecting rod, the first connecting rod and the second connecting rod are sequentially arranged at two ends of the cylinder, and the cylinder sequentially penetrates through the second gear, Second support frame and baffle, second connecting rod end rotary type are connected with the stock, stock vertical arrangement, stock top are connected with the buoyancy ball.
Furthermore, two wheels are arranged on two sides of the lower portion of the shell and located at two ends of the connecting shaft.
Furthermore, starters are uniformly distributed on one side, close to the wheels, of the connecting shaft, leaf springs are arranged in the starters, and the leaf springs are tightly connected with the connecting shaft.
Furthermore, an adjustable support is connected to the rear of the lower part of the shell.
Further, the self-priming pump still is connected with the shower nozzle, the shower nozzle is fixed in the shell top and is stretched out the shell and towards the place ahead.
Furthermore, a water pumping pipe is connected below the self-priming pump.
Further, buoyancy ball and stock equipartition are established in hollow linker, the linker is close to the self priming pump and sets up on the baffle, linker bottom is vertically and horizontally staggered's grid shape, and the stock passes linker bottom grid shape center and is connected with the buoyancy ball.
Furthermore, a rubber block is arranged between the water conduit and the shell.
Furthermore, the water inlet of the water conduit is connected with a joint matched with the fire hydrant.
Furthermore, the ends of the connecting shaft, the output shaft and the transmission shaft are respectively and rotatably connected with the intersection points between the first support frame and the second support frame, and bearings are uniformly distributed at the intersection points of the connecting shaft, the output shaft and the transmission shaft and the first support frame and the second support frame.
The invention has the beneficial effects that:
1. the semi-automatic fire truck disclosed by the invention is mechanically formed, so that a fireman can be replaced to get close to a fire scene to a greater extent, a fire source can be subjected to close-range efficient fire extinguishing, gasoline is not required to be added, wheels at two ends of a connecting shaft are driven by a plate spring in a starter to realize the advance of a truck body, the condition that the gasoline is exploded in case of fire to increase the fire disaster is avoided, the safety of the fireman during operation in the fire scene is effectively ensured, and no secondary fire disaster occurs.
2. The shell of the invention adopts a closed box-type structure and is provided with a partition board which divides the shell into a transmission area and a water storage area, so that the self-priming pump and the buoyancy ball are isolated from the semi-automatic fire-fighting system, and the installation and the maintenance are convenient.
3. The semi-automatic fire fighting system is provided with the water turbine, and the water turbine converts the kinetic energy of the rear pressurized water, so that the energy is continuously provided for the semi-automatic fire fighting transmission system, and the forward fire fighting is guaranteed.
4. The semi-automatic fire-fighting transmission system adopts the meshing transmission of the gear and the gear shaft, has higher use efficiency, long service life and compact structure, and simultaneously, the gear and the gear shaft are attached to the support frame in a triangular shape, thereby not only ensuring the transmission stability between the gear and the gear shaft during the work, but also realizing the reversing function.
5. According to the invention, the buoyancy ball is vertically arranged in the communicating vessel, so that the buoyancy ball is effectively prevented from swinging left and right under the impact of water flow, and can stably float up and down to drive the gear to rotate.
6. According to the invention, the buoyancy ball is connected with the second connecting rod, the third gear is connected with the first connecting rod, and the length of the second connecting rod is greater than that of the first connecting rod, so that the third gear can effectively rotate along with the buoyancy ball when the buoyancy ball ascends or descends through a lever principle, and the third gear is meshed or separated with the fourth gear and the fifth gear.
Drawings
Fig. 1 is a schematic structural diagram of a semi-automatic fire fighting truck according to the present invention.
Fig. 2 is a rear view of a semi-automatic fire engine of the present invention.
Fig. 3 is a schematic structural view of the interior of a semi-automatic fire fighting truck according to the present invention.
Fig. 4 is a schematic view of a bulkhead and a secondary support frame of a semi-automatic fire engine of the present invention.
Fig. 5 is a schematic view of a bulkhead and a first support bracket of a semi-automatic fire fighting vehicle according to the present invention.
Fig. 6 is a schematic view of a connector in a semi-automatic fire engine of the present invention.
The reference numbers in the drawings are as follows: 1 is the shell, 2 is the leading water pipe, 3 is the block rubber, 4 is adjustable support, 5 is the shower nozzle, 6 is the starter, 7 is the wheel, 8 is the baffle, 9 is the stock, 10 is the joint, 11 is the connecting axle, 12 is first gear, 13 is the second support frame, 14 is first gear shaft, 15 is the second gear, 16 is the crank, 17 is the third gear, 18 is the fourth gear, 19 is the fifth gear, 20 is the second gear shaft, 21 is the sixth gear, 22 is the leading water groove, 23 is the self priming pump, 24 is the drinking-water pipe, 25 is first support frame, 26 is the output shaft, 27 is the transmission shaft, 28 is the linker, 29 is the buoyancy ball.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1 to 6, a semi-automatic fire fighting truck comprises a housing 1, a partition plate 8, a water conduit 2 arranged at the rear upper part of the housing 1, a support frame and a semi-automatic transmission fire fighting system, wherein the partition plate 8, the support frame and the semi-automatic transmission fire fighting system are uniformly distributed in the housing 1, the housing 1 is arranged on a connecting shaft 11, the semi-automatic transmission fire fighting system is distributed on a second support frame 13 and comprises a first gear 12, a first gear shaft 14, a second gear 15, a third gear 17, a fourth gear 18, a fifth gear 19, a second gear shaft 20, a sixth gear 21 and a water turbine, and the support frame comprises a first support frame 25 and a second support frame 13; the shell 1 is divided into a transmission area and a water storage area by the partition plate 8, the outlet of the water conduit 2 faces the water storage area of the shell 1, a water turbine in the semi-automatic transmission fire-fighting system is positioned in the water storage area of the shell 1, and the rest parts are positioned in the transmission area of the shell 1; the first support frame 25 is positioned in the water storage area of the shell 1, the second support frame 13 is positioned in the transmission area of the shell 1, and the first support frame 25 and the second support frame 13 are in an inverted triangle shape; the water turbine is transversely arranged between the first support frame 25 and the second support frame 13 and comprises four bowl-shaped water guide grooves 22 and an output shaft 26, the water guide grooves 22 are arranged on the output shaft 26 in a cross shape, the bowl mouths of the bowl-shaped water guide grooves are distributed in the same direction anticlockwise, and the outlet of the water guide pipe 2 faces the water guide grooves 22; the semi-automatic transmission fire-fighting system is characterized in that a first gear 12 and a water turbine are coaxially arranged, a bevel gear at one end of a first gear shaft 14 is meshed with the first gear 12, a bevel gear at the other end of the first gear shaft 14 is meshed with a second gear 15, the second gear 15 is meshed with a fourth gear 18 through a third gear 17, a fifth gear 19 is meshed with a sixth gear 21 through a second gear shaft 20, the sixth gear 21 is connected with a self-priming pump 23 through a transmission shaft 27, the self-priming pump 23 is located in front of the inside of a shell 1, the self-priming pump 23 is sleeved on the transmission shaft 27, a crank 16 is connected to the end face of the third gear 17, the crank 16 comprises a cylinder body, a first connecting rod and a second connecting rod, the first connecting rod is located in a transmission area of the shell 1, the second connecting rod is located in a water storage area of the shell 1, the first connecting rod and the second connecting rod are sequentially arranged at two ends of the cylinder body, and the cylinder body sequentially penetrates through the second gear 15, The tail end of the second connecting rod is rotatably connected with a long rod 9, the long rod 9 is vertically arranged, and the top end of the long rod 9 is connected with a buoyancy ball 29; two wheels 7 are arranged on two sides of the lower portion of the shell 1, the wheels 7 are located at two ends of a connecting shaft 11, starters 6 are uniformly distributed on one side, close to the wheels 7, of the connecting shaft 11, leaf springs are arranged in the starters 6, and the leaf springs are tightly connected with the connecting shaft 11; an adjustable support 4 is connected to the rear of the lower part of the shell 1; the self-priming pump 23 is also connected with a spray head 5, and the spray head 5 is fixed above the shell 1 and extends out of the shell 1 to face the front; a water pumping pipe 24 is connected below the self-priming pump 23; the buoyancy ball 29 and the long rod 9 are uniformly distributed in a hollow communicating vessel 28, the communicating vessel 28 is close to the self-priming pump 23 and is arranged on the partition plate 8, the bottom of the communicating vessel 28 is in a criss-cross grid shape, and the long rod 9 penetrates through the grid-shaped center at the bottom of the communicating vessel 28 and is connected with the buoyancy ball 29; a rubber block 3 is further arranged between the water conduit 2 and the shell 1, and a water inlet of the water conduit 2 is connected with a joint 10 matched with a fire hydrant; the end parts of the connecting shaft 11, the output shaft 26 and the transmission shaft 27 are respectively and rotatably connected with the intersection points between the first support frame 25 and the second support frame 13, bearings are uniformly distributed at the intersection points between the connecting shaft 11, the output shaft 26 and the transmission shaft 27 and the first support frame 25 and the second support frame 13, and the length of the second connecting rod is greater than that of the first connecting rod.
When a fire disaster happens, a rear fire hydrant is connected through a connector 10, pressurized water in the fire hydrant is sprayed into a water storage area of a shell 1 through a water conduit 2, the outlet of the water conduit 2 faces a water guide groove 22, the pressurized water drives the water guide groove 22 to rotate, at the moment, an output shaft 26 fixedly connected with the water guide groove 22 drives a first gear 12 to rotate, the first gear 12 drives a connecting shaft 11 to rotate through meshing transmission of a first transmission shaft 14, a second gear 15, a third gear 17 and a fourth gear 18, so that a plate spring in a starter 6 is twisted and starts to store energy, as the pressurized water continuously flows into the water storage area of the shell 1, the water level gradually rises, a buoyancy ball 29 starts to float up along with the rise of the water level, the buoyancy ball 29 drives the third gear 17 to rotate through a crank 16, the third gear 17 is separated from the fourth gear 18 and meshed with a fifth gear 19, on the one hand, the plate spring in the starter 6 starts to release energy, thereby drive connecting axle 11 and wheel 7 and rotate, provide kinetic energy for the fire engine advances, on the other hand, fifth gear 19 begins to rotate, through the meshing transmission of second gear axle 20 and sixth gear 21, self priming pump 23 begins to work and spouts water through shower nozzle 5, the water level in shell 1 descends, buoyancy ball 29 descends along with the water level descends, third gear 17 and fifth gear 19 separate, and then with fourth gear 18 meshing, so circulation, buoyancy ball 29 rises repeatedly or descends the action, self priming pump 23 absorbs water from the water storage area and spouts high pressure water from shower nozzle 5 fast, the action of starter 6 repeated energy storage, release energy simultaneously, thereby realize that the fire engine constantly spouts high pressure water under the state that constantly advances.
The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.
Claims (6)
1. A semi-automatic fire fighting truck comprises a shell (1), a partition plate (8), a water conduit (2) and a support frame, wherein the water conduit (2) and the support frame are arranged above the back of the shell (1), and the semi-automatic fire fighting truck is characterized by further comprising a semi-automatic transmission fire fighting system, the partition plate (8), the support frame and the semi-automatic transmission fire fighting system are uniformly distributed in the shell (1), the shell (1) is arranged on a connecting shaft (11), two wheels (7) are arranged on two sides of the lower portion of the shell (1), the wheels (7) are positioned at two ends of the connecting shaft (11), starters (6) are uniformly distributed on one side, close to the wheels (7), of the connecting shaft (11), plate springs are arranged in the starters (6), and the plate springs are fixedly connected with the connecting shaft (11); the semi-automatic transmission fire fighting system is distributed on a second support frame (13), the semi-automatic fire fighting system is composed of a first gear (12), a first gear shaft (14), a second gear (15), a third gear (17), a fourth gear (18), a fifth gear (19), a second gear shaft (20), a sixth gear (21) and a water turbine, and the support frame comprises a first support frame (25) and the second support frame (13); the shell (1) is divided into a transmission area and a water storage area by the partition plate (8), the outlet of the water conduit (2) faces the water storage area of the shell (1), the water turbine in the semi-automatic transmission fire-fighting system is positioned in the water storage area of the shell (1), and the rest parts are positioned in the transmission area of the shell (1); the first support frame (25) is positioned in a water storage area of the shell (1), the second support frame (13) is positioned in a transmission area of the shell (1), and the first support frame (25) and the second support frame (13) are in inverted triangle shapes; the water turbine is transversely arranged between the first support frame (25) and the second support frame (13), and comprises four bowl-shaped water guide grooves (22) and an output shaft (26), wherein the water guide grooves (22) are arranged on the output shaft (26) in a cross shape, the bowl openings are distributed in the same direction anticlockwise, and the outlet of the water guide pipe (2) faces the water guide grooves (22); a first gear (12) and a water turbine in the semi-automatic transmission fire-fighting system are coaxially arranged, a bevel gear at one end of a first gear shaft (14) is meshed with the first gear (12), a bevel gear at the other end of the first gear shaft (14) is meshed with a second gear (15), the second gear (15) is meshed with the fourth gear (18) through a third gear (17), the fifth gear (19) is meshed with the sixth gear (21) through a second gear shaft (20), the sixth gear (21) is connected with a self-priming pump (23) through a transmission shaft (27), the self-sucking pump (23) is positioned in front of the inner part of the shell (1), the self-sucking pump (23) is sleeved on the transmission shaft (27), the self-sucking pump (23) is also connected with a spray head (5), the spray head (5) is fixed above the shell (1) and extends out of the shell (1) to face the front, and a water pumping pipe (24) is also connected below the self-sucking pump (23); the end face of the third gear (17) is connected with a crank (16), the crank (16) comprises a cylinder, a first connecting rod and a second connecting rod, the first connecting rod is located in a transmission area of the shell (1), the second connecting rod is located in a water storage area of the shell (1), the length of the second connecting rod is larger than that of the first connecting rod, the first connecting rod and the second connecting rod are sequentially arranged at two ends of the cylinder, the cylinder sequentially penetrates through the second gear (15), the second supporting frame (13) and the partition plate (8), the tail end of the second connecting rod is rotatably connected with a long rod (9), the long rod (9) is vertically arranged, the top end of the long rod (9) is connected with a buoyancy ball (29), the buoyancy ball (29) can float upwards along with the rising of the water level, the buoyancy ball (29) drives the third gear (17) to rotate through the crank (16), the third gear (17) is separated from the fourth gear (18) and is meshed with the fifth gear (19), the buoyancy ball (29) can descend along with the descending of the liquid level, and the third gear (17) is separated from the fifth gear (19) and then meshed with the fourth gear (18).
2. A semi-automatic fire fighting vehicle as claimed in claim 1, characterized in that an adjustable support (4) is connected to the rear of the lower part of the housing (1).
3. A semi-automatic fire engine as recited in claim 1, characterized in that the buoyancy ball (29) and the long rod (9) are uniformly arranged in a hollow communicating vessel (28), the communicating vessel (28) is close to the self-priming pump (23) and is arranged on the partition plate (8), the bottom of the communicating vessel (28) is in a grid shape of criss-cross, and the long rod (9) passes through the center of the grid shape at the bottom of the communicating vessel (28) and is connected with the buoyancy ball (29).
4. A semi-automatic fire engine as recited in claim 1, characterized in that a rubber block (3) is further arranged between the water conduit (2) and the housing (1).
5. A semi-automatic fire engine according to claim 1, wherein the water inlet of the water conduit (2) is connected with a joint (10) matched with a fire hydrant.
6. The semi-automatic fire fighting truck according to claim 1, wherein the ends of the connecting shaft (11), the output shaft (26) and the transmission shaft (27) are respectively rotatably connected to the intersection between the first support frame (25) and the second support frame (13), and bearings are uniformly arranged at the intersection of the connecting shaft (11), the output shaft (26) and the transmission shaft (27) and the first support frame (25) and the second support frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842739.0A CN107398052B (en) | 2017-09-18 | 2017-09-18 | Semi-automatic fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842739.0A CN107398052B (en) | 2017-09-18 | 2017-09-18 | Semi-automatic fire engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107398052A CN107398052A (en) | 2017-11-28 |
| CN107398052B true CN107398052B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842739.0A Expired - Fee Related CN107398052B (en) | 2017-09-18 | 2017-09-18 | Semi-automatic fire engine |
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| Country | Link |
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| CN (1) | CN107398052B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113995994B (en) * | 2021-09-24 | 2022-11-22 | 江志军 | Automatic advance sprinkler car of putting out a fire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202277630U (en) * | 2011-09-21 | 2012-06-20 | 孙士庆 | Hand-propelled pneumatic-hydraulic fire extinguisher powered by portable blower |
| CN106730539A (en) * | 2017-01-16 | 2017-05-31 | 郑展飞 | A kind of fire-fighting wind-force and waterpower convolution extinguishing device |
| CN206285386U (en) * | 2016-12-25 | 2017-06-30 | 武汉轻工大学 | A kind of emergent fire extinguishing dolly of high building |
| CN207237124U (en) * | 2017-09-18 | 2018-04-17 | 开封大学 | A kind of semi-automatic fire fighting truck |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7007761B1 (en) * | 1999-05-21 | 2006-03-07 | Johnson Iv John J | Emergency response vehicle |
-
2017
- 2017-09-18 CN CN201710842739.0A patent/CN107398052B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202277630U (en) * | 2011-09-21 | 2012-06-20 | 孙士庆 | Hand-propelled pneumatic-hydraulic fire extinguisher powered by portable blower |
| CN206285386U (en) * | 2016-12-25 | 2017-06-30 | 武汉轻工大学 | A kind of emergent fire extinguishing dolly of high building |
| CN106730539A (en) * | 2017-01-16 | 2017-05-31 | 郑展飞 | A kind of fire-fighting wind-force and waterpower convolution extinguishing device |
| CN207237124U (en) * | 2017-09-18 | 2018-04-17 | 开封大学 | A kind of semi-automatic fire fighting truck |
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| CN107398052A (en) | 2017-11-28 |
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