CN208302426U - A kind of multi-functional dust suppression vehicle - Google Patents
A kind of multi-functional dust suppression vehicle Download PDFInfo
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- CN208302426U CN208302426U CN201820521262.6U CN201820521262U CN208302426U CN 208302426 U CN208302426 U CN 208302426U CN 201820521262 U CN201820521262 U CN 201820521262U CN 208302426 U CN208302426 U CN 208302426U
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Abstract
The utility model relates to a kind of multi-functional dust suppression vehicles, including automobile chassis, water tank, generating set, fog gun device, fog gun electric cabinet, the hydraulic unit of fog gun, fog gun water pump assembly, tool box, low-pressure pump, sprinkler system, fuel tank and water cannon；It further include having power takeoff and high-pressure cleaning system, power takeoff is installed on the power mouth side-draw of automobile chassis, and high-pressure cleaning system includes high-pressure hydraulic pump and the reel being attached thereto；There are two output end, an output end and low-pressure pumps to be sequentially connected for power takeoff tool, and another output end is then connect with a gear pump transmission；Gear pump is connect with fuel tank, and the hydraulic motor connection of gear pump and high-pressure hydraulic pump, hydraulic motor is back to fuel tank.The utility model can carry out the various operations such as spraying, high-pressure wash, road surface cleaning in traveling, and work efficiency is high, ensure that transaction capabilities are constant.In addition, power takeoff is first connect with gear pump transmission, then hydraulic from gear pump to hydraulic motor conveying, structure is simpler, and the transmitting of power is more stable, reliable.
Description
Technical field
The present invention relates to road cleaning vehicle more particularly to a kind of multi-functional dust suppression vehicles.
Background technique
In recent years, China's atmosphere pollution is increasingly severe, haze weather mostly occurs.For this purpose, various regions use fog gun reducing dust lowering car,
For water mist dust fall, dust suppression etc..
Chinese patent 2017105794364 discloses a kind of multi-functional dust suppression vehicle of single-power, comprising automobile chassis and sets
Dust suppression operating system, water tank, low-pressure washing system on automobile chassis are set, the dust suppression operating system is passed comprising operation power
Dynamic device, fog gun hydraulic control system, fog gun fluid power system, pressure atomization system for high and fog gun, the patent directly utilize vapour
Chassis power device provides operation power for dust suppression system, and nothing adds generating set.Although the dust suppression vehicle is equally able to achieve spray
The several work functions such as mist dust suppression clean air, road surface flushing, watering, but the power of existing automobile chassis is limited, it is difficult to it is same
When meet several work demand, seriously affect its transaction capabilities, especially spray dust-arrest power it is small, height it is low.Meanwhile by operation
The outer surface of the influence of environment, dust suppression vehicle is easily contaminated, and needs regular cleaning.But the dust suppression vehicle of above-mentioned patent lacks height
Cleaning device is pressed, cannot achieve vehicle body cleaning.The flusher of the same patent is low-pressure washing system, can only do road surface
Simple cleaning, it is difficult to carry out the strength that road surface and roadside are implemented and wash away, be unable to complete the cleaning of road surface stain, road cleaning
It is difficult to be protected.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of low energy consumption, high-performance, there is high pressure self-cleaning function
Multi-functional dust suppression vehicle.
To achieve the above object, the technical solution of the invention is as follows: a kind of multi-functional dust suppression vehicle, including automobile chassis,
Water tank, generating set, fog gun device, fog gun electric cabinet, the hydraulic unit of fog gun, fog gun water pump assembly, tool box, low-pressure pump,
Sprinkler system, fuel tank and water cannon；Generating set provides working power for vehicle, and fuel tank provides working solution for the hydraulic unit of fog gun
Pressure；Water tank is connect with fog gun water pump assembly and low-pressure pump respectively by water pipe；Low-pressure pump provides for sprinkler system and water cannon
Water source, fog gun water pump assembly provide water source for fog gun device；It further include having power takeoff and high-pressure cleaning system, power takeoff is installed on
The power mouth side-draw of automobile chassis, high-pressure cleaning system include high-pressure hydraulic pump and the reel being attached thereto；There are two defeated for power takeoff tool
Outlet, an output end and low-pressure pump are sequentially connected, and another output end is then connect with a gear pump transmission；The oil inlet of gear pump
Mouth is connect with the oil outlet of fuel tank, and the oil outlet of gear pump and the hydraulic motor oil inlet of high-pressure hydraulic pump connect, hydraulic motor
Oil outlet is back to the oil inlet of fuel tank.
Preferably, two output ends of power takeoff share same output shaft, and are exported by a clutch control, gear pump with
Overflow valve and solenoid valve are installed between hydraulic motor.
Preferably, two output ends of power takeoff are all respectively configured with independent output shaft and clutch.
Preferably, unloading valve is installed between water tank and low-pressure pump.
Preferably, the crossbeam of automobile chassis is arranged in water tank, and generating set is installed on the crossbeam of automobile chassis and is located at water
The front of case；Fog gun electric cabinet and tool box are installed on the rear portion between automobile chassis front-rear axle side by side；Automobile chassis rear end peace
Equipped with platform；It is connect in the bottom insertion platform of fog gun device and with crossbeam；Water cannon is set up in the side of the front end of platform, is located at
Between water tank and fog gun device；High-pressure cleaning system is located at below platform.
Preferably, fuel tank is installed between the front-rear axle of automobile chassis and ipsilateral with high-pressure cleaning system.
Preferably, it is both provided with guardrail below water tank and above platform, the rear end face of water tank is equipped with camera.
Preferably, low-pressure pump is installed below water tank, sprinkler system include preceding spray head, after spill head, left and right to formed punch, it is preceding
Spray head is located at automobile chassis front end, the two sides of centre before left and right is located at before and after automobile chassis formed punch, after spill head and be located at automobile bottom
Back-end disk.
Preferably, fog gun device includes pedestal, pedestal, air duct, hydraulic cylinder, atomizer；Pedestal is installed in platform
Empty portion, pedestal are substantially flush with platform；Pedestal is connected with pedestal by pivoting support；The front end of air duct is articulated with base by shaft
The fore-stock of seat；One end of hydraulic cylinder is articulated with the after-poppet of pedestal, and the other end is articulated with the middle part of air duct；Atomizer installation
In the air outlet of air duct, pedestal is connect with crossbeam by connection frame, and connection frame is L-shaped, and horizontal segment is fixedly connected on pedestal
Bottom surface, vertical section are fixedly connected on the lateral surface of crossbeam.
Preferably, several manhole doors are provided at the top of water tank.
By using above-mentioned technical solution, the beneficial effects of the present invention are: it is original phase that the present invention, which retains generating set,
Powered-down supply system provides power, and low-pressure pump and high-pressure cleaning system then use the power mouth power taking side-draw of automobile chassis instead.Pass through
Above-mentioned design can not only guarantee that the various transaction capabilities of dust suppression vehicle do not reduce, simultaneously because side power takeoff takes for Partial Power
Power, it is ensured that the various operations such as the present invention can be sprayed in traveling, road surface is cleaned, work efficiency is high, has saved the energy, practical
Property is stronger.
Power takeoff of the invention has double output ends, and wherein one end is directly connect with low-pressure pump；The other end then elder generation and tooth
Wheel pump turns transmission connection, then hydraulic from gear pump to hydraulic motor conveying, by hydraulic motor driving high-pressure hydraulic pump work, structure letter
Single compact, energy loss is few, vehicle favorable working performance.
The present invention increases high-pressure cleaning system, makes it in addition to spray dust-arrest, road surface flushing, watering, afforestation etc.
Outside the several work function of existing dust suppression vehicle, it has been also equipped with high-pressure wash function, automobile itself cleaning can be used for, has been conducive to maintain
Automobile itself it is clean, and can thoroughly be washed away with road surface, the clean of curb stubbornness pollutant, function is more powerful and complete.
The separately positioned each position in automobile chassis of each subsystem of fog gun system of the invention, while fog gun device
Platform is installed on using insertion, and is directly connected to automotive frame, the height of vehicle and center of gravity is not only reduced, it is steady to promote automobile
Qualitative, vehicling operation is safe and reliable；The installation space that each subsystem can also be expanded simultaneously, facilitates late detection to repair.
Detailed description of the invention
Fig. 1 is left view of the present invention；
Fig. 2 is right view of the present invention；
Fig. 3 is the attachment structure schematic diagram of fog gun device and chassis；
Fig. 4 is the explosive view of fog gun device and chassis；
Fig. 5 is the partial structure diagram of automobile chassis power taking of the present invention；
Main appended drawing reference explanation: (1, automobile chassis；111, crossbeam；2, water tank；3, generating set；4, fog gun device；
41, pedestal；42, pedestal；421, fore-stock；422, after-poppet；43, air duct；44, hydraulic cylinder；46, atomizer；47, it connects
Frame；471, stiffening plate；5, fog gun electric cabinet；6, the hydraulic unit of fog gun；7, fog gun water pump assembly；8, tool box；9, low-pressure pump；
91, unloading valve；101, preceding spray head；102, head is spilt after；103, symmetrical spray head；11, water cannon；12, silencer；13, camera；
151, high-pressure hydraulic pump；152, hydraulic motor；153, reel；154 overflow valves；155, solenoid valve；16, power takeoff；17, gear pump；
18, platform；19, shield；20, fuel tank；21, manhole door；22, guardrail).
Specific embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
It should be noted that the Directional words mentioned in the present invention, such as: upper and lower, front, rear, left and right etc., wherein
Before refer to the side of automobile cab, after refer to the side far from automobile cab, be the present invention and to simplify for ease of description
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.
As shown in Figs. 1-5, a kind of multi-functional dust suppression vehicle, including automobile chassis 1, water tank 2, generating set 3, fog gun device 4,
Fog gun electric cabinet 5, fog gun hydraulic unit 6, tool box 8, low-pressure pump 9, sprinkler system, water cannon 11, disappear at fog gun water pump assembly 7
Sound device 12, camera 13, fuel tank 20, high-pressure cleaning system, power takeoff 16, gear pump 17 and platform 18.
Water tank 2 is installed on the crossbeam 111 of automobile chassis 1.The top of water tank 2 is provided with several manhole doors 21, these manholes
Door 21 enters inside water tank 2 for service personnel, implements the operations such as cleaning, detection, maintenance.Water tank 2 is equipped with and sets liquidometer, liquid level
The sensors such as low alarm device facilitate operator to observe water level conditions in water tank, prevent water spilling or water shortage etc.
Situation.Meanwhile the auxiliary devices such as ladder, overflow pipe, anti-vibration plate are also set up in water tank 2.
It is connected with water pipe below water tank 2, it is clear to be connected to fog gun water pump assembly 7, low-pressure pump 9 and high pressure by these water pipes
The high-pressure hydraulic pump 151 of system is washed, to provide water source needed for operation for vehicle.Effectively to safeguard above-mentioned each water pump, the present invention
Filter (not shown) is fitted with before the water inlet of each water pump.
Fog gun water pump assembly 7 is mainly used for providing water to fog gun device 4, these water can be under the action of fog gun device 4
It is mist-like to drift in high-altitude, achieve the effect that spray dust-arrest.
Low-pressure pump 9 is then to provide water source to sprinkler system and water cannon 11, by each terminal of sprinkler system, completes road
The several work such as face flushing, watering, afforestation.Sprinkler system includes the preceding spray head 101 for being located at 1 front end of automobile chassis, is located at
Spilt behind 1 rear end of automobile chassis first 102 and positioned at two sides among automobile chassis 1 tandem axle left and right to formed punch 103, should
System is for road surface along cleaning and road surface watering etc..Water cannon 11 for afforestation is then installed on the flat of 1 rear end of automobile chassis
The side of platform 18, platform 18 are equipped with fog gun device 4, and water cannon 11 is between water tank 2 and fog gun device 4, and operator is in this
Position carries out relevant operation, and safety is higher.
High-pressure cleaning system is then mainly used for providing high pressure water to reel 153, and vehicle of the invention is completed using high pressure water
Self-cleaning so that the present invention keeps clean, clean and tidy, while can also be used in the clean of road stubbornness pollutant and thoroughly wash away, function
It is more powerful and complete.
Generating set 3 is installed on the front of water tank 2, and generating set 3 is located at right above crossbeam 111.Generating set 3 can be
Vehicle provides required high voltage power supply (being mainly situated in the blower and fog gun water pump driving motor in fog gun device), guarantees its institute
The working power needed.The outside of generating set 3 is equipped with shield 19, to protect generating set 3.The top of shield 19 is provided with
The admission line of generating set 3, admission line is equipped with rainhat, while being additionally provided with radiator window around shield 19.It eliminates the noise
Device 12 is installed on the front between 1 front-rear axle of automobile chassis, for mitigating car noise, reduces sound pollution.
Fog gun electric cabinet 5 and tool box 8 are installed on the rear portion between 1 front-rear axle of automobile chassis side by side, realize automobile chassis 1
Lower space maximally utilizes.Fog gun electric cabinet 5 is installed on this, can reduce the vibration amplitude of fog gun electric cabinet 5 during driving a vehicle, mention
High its job stability, reliability.Tool box 8 is for placing road cleaning apparatus, detection, maintenance tool etc..
It is connect in the bottom insertion platform 18 of fog gun device 4 and with crossbeam 111.Fog gun device 4 includes pedestal 41, pedestal
42, fog gun 43, hydraulic cylinder 44 and atomizer 46.The mode that platform 18 is bolted is fixed on crossbeam 111.In platform 18
Portion be it is hollow, pedestal 41 is installed on the hollow portion of platform 18, and the height of pedestal 41 and the height of platform 18 remain basically stable, further
Reduce vehicle height.It is connected between pedestal 41 and crossbeam 111 by connection frame 47, connection frame 47 is L-shaped, and horizontal segment passes through spiral shell
Bolt is fixed on the bottom surface of pedestal 41, and vertical section is fixed by bolts in the lateral surface of crossbeam 111, the horizontal segment of connector 47 and perpendicular
Stiffening plate 471 is equipped between straight section, above-mentioned connection structure is more stable, and the security reliability of connection is strong.Pedestal 41 and pedestal 42
Between by pivoting support connect, to control the horizontal rotation of air duct 43.The front end of air duct 43 is articulated with pedestal 42 by shaft
Fore-stock 421；And one end of hydraulic cylinder 44 is articulated with the after-poppet 422 of pedestal 42, the other end is articulated with the middle part of air duct 43,
It can control the pitch angle of air duct 43 by telescopic hydraulic cylinder 44, the power of hydraulic cylinder 44 is from the hydraulic unit 6 of fog gun, water
Source is from fog gun water pump assembly 7.The external structure of air duct 43 and its internal component etc., the air duct one with existing fog gun device
It causes, so here is no more repetition.Atomizer 46 is installed on the air outlet of air duct 43, sprays high pressure water with mist.
Fog gun water pump assembly 7 and high-pressure cleaning system of the invention is listed in 18 lower section of platform, and the hydraulic unit 6 of fog gun is arranged
Vacant position between 1 front-rear axle of automobile chassis.
The hydraulic unit 6 of fog gun includes the pump of hydraulic cylinder 44, the power-equipment of pump and related oil circuit and its control valve.
Fog gun water pump assembly 7 then includes water pump, the power-equipment of water pump and related water route and its control valve.
High-pressure cleaning system then includes high-pressure hydraulic pump 151, hydraulic motor 152, reel 153, overflow valve 154, solenoid valve
155, wherein reel 153 is set to below the rear end of automobile chassis 1, and the other equipment in addition to reel 153 uniformly integrate another equipment
Case, hydraulic motor 152 are direct-connected using flange with high-pressure hydraulic pump 151.The hydraulic unit 6 of fog gun, hydraulic motor 152 are by same in the present invention
One fuel tank, 20 fuel feeding, the fuel tank 20 are located at the right side between 1 front-rear axle of automobile chassis, the position just with high-pressure cleaning system position
In the same side.The design can effectively ensure that hydraulic hydraulic loss on reduction hydraulic circuit, guarantee the work of hydraulic motor 152
The rate of doing work.
High-pressure cleaning system and low-pressure pump 9 of the invention directlys adopt 1 power taking of automobile chassis, hydraulic 6 He of unit of fog gun
Fog gun water pump assembly 7 still retains original driving method.Specifically, the power mouth side-draw of the gearbox of automobile chassis 1 is equipped with power taking
Device 16, power takeoff 16 are used for Partial Power power taking, and guarantee does not influence normal walking of the invention.There are two the tools of power takeoff 16
Output end, the low-pressure pump 9 between 1 front-rear axle of an output end and automobile chassis are sequentially connected；Another output end then elder generation and tooth
Wheel pump 17 is sequentially connected, and hydraulic oil is sucked from fuel tank 20 and squeezed into pipeline, passes through pipeline by the gear rotation in gear pump 17
It is delivered to hydraulic motor 152, driving hydraulic motor 152 works, then is sequentially connected by hydraulic motor 152 and high-pressure hydraulic pump 151,
Complete the output of high pressure water.Specific structure is that the oil inlet of gear pump 17 is connect with the oil outlet of fuel tank 20, and gear pump 17 goes out
Hydraulic fluid port is connect with the oil inlet of hydraulic motor 152, and the oil outlet of hydraulic motor 152 is back to the oil inlet of fuel tank 20, overflow valve
154, solenoid valve 155 is installed between hydraulic motor 152 and gear pump 17, improves the safety and reliability of hydraulic circuit.
Two output ends of power takeoff 16 of the invention can use same output shaft, can also use different output shafts.
When two output ends of power takeoff 16 use same output shaft, the output shaft is by a clutch (clutch collection
At in power takeoff) control, unloading valve 91 is installed between low-pressure pump 9 and water tank 2.When needing low pressure waterway to work, position
It is closed in the unloading valve 91 of low pressure waterway, 154 unloading port of overflow valve positioned at high-pressure oil passage is opened, and low-pressure pump 9 works at this time,
Gear pump 17 dallies, 151 attonity of hydraulic motor 152 and high-pressure hydraulic pump.When needing high-pressure cleaning system to work, it is located at high pressure
154 unloading port of overflow valve of oil circuit is closed, and the unloading valve 91 positioned at low pressure waterway is opened, at this time hydraulic motor 152 and high pressure water
151 work of pump, low-pressure pump 9 dally.
When two outputs of power takeoff 16 are using different output shafts, each output shaft is by respective clutch control.When
When low pressure waterway being needed to work, that is, engage the clutch on 9 one tunnel of low-pressure pump；When needing high-pressure cleaning system to work, that is, connect
Close the clutch for belonging to high-pressure cleaning system.
Camera 13 is installed on the rear end face of water tank 2, can be convenient driver and observes spray effect.It is driven in the present invention
Indoor location has operation panel (not shown), and the movement such as data is operated and analyzed convenient for driver.
It is provided with guardrail 22 above 2 lower section of water tank of the invention and platform 18, for protecting relevant device and the behaviour of vehicle
Make the trouble free service of personnel.
Above-described, only presently preferred embodiments of the present invention cannot limit the scope of implementation of the present invention, it is all according to
Equivalent change made by scope of the present invention patent and decoration, should still belong in the range of the present invention covers.
Claims (10)
1. a kind of multi-functional dust suppression vehicle, including automobile chassis, water tank, generating set, fog gun device, fog gun electric cabinet, fog gun liquid
Press group, fog gun water pump assembly, tool box, low-pressure pump, sprinkler system, fuel tank and water cannon；Generating set provides work for vehicle
Make power supply, fuel tank provides working hydraulic pressure for the hydraulic unit of fog gun；Water tank by water pipe respectively with fog gun water pump assembly and low pressure water
Pump connection；Low-pressure pump provides water source for sprinkler system and water cannon, and fog gun water pump assembly provides water source for fog gun device；Its feature
It is: further includes having power takeoff and high-pressure cleaning system, power takeoff is installed on the power mouth side-draw of automobile chassis, high-pressure cleaning system
Including high-pressure hydraulic pump and the reel being attached thereto；There are two output end, an output end and low-pressure pump transmissions to connect for power takeoff tool
It connects, another output end is then connect with a gear pump transmission；The oil inlet of gear pump and the oil outlet of fuel tank connect, and gear pump goes out
The connection of the hydraulic motor oil inlet of hydraulic fluid port and high-pressure hydraulic pump, the oil outlet of hydraulic motor are back to the oil inlet of fuel tank.
2. multi-functional dust suppression vehicle according to claim 1, it is characterised in that: two output ends of power takeoff share same output
Axis, and exported by a clutch control, overflow valve and solenoid valve are installed between gear pump and hydraulic motor.
3. multi-functional dust suppression vehicle according to claim 1, it is characterised in that: two output ends of power takeoff are all respectively configured with
Independent output shaft and clutch.
4. multi-functional dust suppression vehicle according to claim 2, it is characterised in that: be equipped with off-load between water tank and low-pressure pump
Valve.
5. multi-functional dust suppression vehicle according to claim 2, it is characterised in that: the crossbeam of automobile chassis is arranged in water tank, power generation
Crossbeam of the units' installation in automobile chassis and the front positioned at water tank；Fog gun electric cabinet and tool box are installed on automobile chassis side by side
Rear portion between front-rear axle；Automobile chassis rear end is equipped with platform；It is connect in the bottom insertion platform of fog gun device and with crossbeam；
Water cannon is set up in the side of the front end of platform, between water tank and fog gun device；High-pressure cleaning system is located at below platform.
6. multi-functional dust suppression vehicle according to claim 5, it is characterised in that: fuel tank is installed between the front-rear axle of automobile chassis
And it is ipsilateral with high-pressure cleaning system.
7. multi-functional dust suppression vehicle according to claim 5, it is characterised in that: be both provided with shield below water tank and above platform
The rear end face on column, water tank is equipped with camera.
8. multi-functional dust suppression vehicle according to claim 6, it is characterised in that: low-pressure pump is installed below water tank, watering system
System include preceding spray head, after spill head, left and right to formed punch, preceding spray head is located at automobile chassis front end, controls and is located at automobile chassis to formed punch
Intermediate two sides before front and back, after spill head and be located at automobile chassis rear end.
9. multi-functional dust suppression vehicle according to claim 8, it is characterised in that: fog gun device includes pedestal, pedestal, air duct, liquid
Cylinder pressure, atomizer；Pedestal is installed on the hollow portion of platform, and pedestal is substantially flush with platform；Pedestal and pedestal pass through revolution branch
Hold connection；The front end of air duct is articulated with the fore-stock of pedestal by shaft；One end of hydraulic cylinder is articulated with the after-poppet of pedestal, separately
One end is articulated with the middle part of air duct；Atomizer is installed on the air outlet of air duct, and pedestal is connect with crossbeam by connection frame, connection
Frame is L-shaped, and horizontal segment is fixedly connected on the bottom surface of pedestal, and vertical section is fixedly connected on the lateral surface of crossbeam.
10. multi-functional dust suppression vehicle according to claim 5, it is characterised in that: be provided with several manhole doors at the top of water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820521262.6U CN208302426U (en) | 2018-04-13 | 2018-04-13 | A kind of multi-functional dust suppression vehicle |
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| CN201820521262.6U CN208302426U (en) | 2018-04-13 | 2018-04-13 | A kind of multi-functional dust suppression vehicle |
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| CN208302426U true CN208302426U (en) | 2019-01-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502079A (en) * | 2020-12-03 | 2021-03-16 | 中通新能源汽车有限公司 | Multifunctional sanitation vehicle integrating road sweeping, high-pressure cleaning, water spraying and fire fighting |
| CN113842725A (en) * | 2021-09-24 | 2021-12-28 | 福建龙马环卫装备股份有限公司 | Fog gun, dust suppression vehicle and dust suppression method |
| CN113957837A (en) * | 2021-10-26 | 2022-01-21 | 浙江工业大学 | Watering equipment for highway pavement maintenance |
-
2018
- 2018-04-13 CN CN201820521262.6U patent/CN208302426U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502079A (en) * | 2020-12-03 | 2021-03-16 | 中通新能源汽车有限公司 | Multifunctional sanitation vehicle integrating road sweeping, high-pressure cleaning, water spraying and fire fighting |
| CN113842725A (en) * | 2021-09-24 | 2021-12-28 | 福建龙马环卫装备股份有限公司 | Fog gun, dust suppression vehicle and dust suppression method |
| CN113842725B (en) * | 2021-09-24 | 2023-10-10 | 福龙马集团股份有限公司 | Dust suppression method of dust suppression vehicle |
| CN113957837A (en) * | 2021-10-26 | 2022-01-21 | 浙江工业大学 | Watering equipment for highway pavement maintenance |
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