CN106836093B - Multipurpose road sweeper - Google Patents

Multipurpose road sweeper Download PDF

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Publication number
CN106836093B
CN106836093B CN201710173525.9A CN201710173525A CN106836093B CN 106836093 B CN106836093 B CN 106836093B CN 201710173525 A CN201710173525 A CN 201710173525A CN 106836093 B CN106836093 B CN 106836093B
Authority
CN
China
Prior art keywords
watering
unit
water
shoveling
dustbin
Prior art date
Application number
CN201710173525.9A
Other languages
Chinese (zh)
Other versions
CN106836093A (en
Inventor
张佳佳
汪*
项楚勇
梁萌
苏洋
Original Assignee
南京航空航天大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京航空航天大学 filed Critical 南京航空航天大学
Priority to CN201710173525.9A priority Critical patent/CN106836093B/en
Publication of CN106836093A publication Critical patent/CN106836093A/en
Application granted granted Critical
Publication of CN106836093B publication Critical patent/CN106836093B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836Apparatus dislodging all of the dirt by suction ; Suction nozzles
    • E01H1/0845Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/08Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements
    • E01H5/09Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
    • E01H5/092Brushing elements

Abstract

The invention discloses a kind of multipurpose road sweepers, including vehicle body, control module, dust exhaust apparatus, clearing apparatus and watering device;Dust exhaust apparatus includes wind turbine, dustbin, the first to the second suction pipeline and the first to the second dust hood;Clearing apparatus includes first to fourth cleaning unit;First to fourth cleaning unit includes hydraulic telescopic rod, motor, shell, shaft, clean disk and brush sweeper;Watering device include water tank, the first to the second water pipe, first to second solenoid valve door and the first to the second watering unit;Control module controls dust exhaust apparatus, clearing apparatus and watering device work.Strong environmental adaptability of the present invention, to clean effect good, and can use in winter, has the function of soil-shiftings, clear snow, raises and avenge etc., energy utilization rate height.

Description

Multipurpose road sweeper
Technical field
The present invention relates to a kind of sweeper more particularly to a kind of multipurpose road sweepers, specifically adapt to various Refuse cleaning vehicle under working environment.
Background technology
Currently, existing the most of of road-cleaning vehicle use are vacuum suck rubbish formulas, work area is small, environment is suitable It should be able to force difference, the shortcomings of complicated, noise is big, manufacturing cost is big, maintenance cost is high.In such as hollow hole of some Special Roads, ice It avenges road surface or compared with broad way face, since the cleaning range of brush sweeper is limited, causes what is cleaned to be not thorough, increase sanitationman's Workload, while consuming a large amount of manpower and materials.In order to improve the working efficiency and quality of road-cleaning, need to improve road-cleaning The clearing apparatus of vehicle.
Invention content
The technical problem to be solved by the present invention is to for defect involved in background technology, provide a kind of multipurpose Road sweeper, to solve the problems, such as that hollow hole, ice and snow road or wider road cleaning are halfway.
The present invention uses following technical scheme to solve above-mentioned technical problem:
Multipurpose road sweeper, including vehicle body, control module, dust exhaust apparatus, clearing apparatus and watering device;
The vehicle body includes headstock and compartment;
The dust exhaust apparatus includes wind turbine, dustbin, the first to the second suction pipeline and the first to the second dust hood;
The dustbin is set there are one aspirating hole and two suction holes;
The equal cover of the first to the second dust hood is arranged in car bottom downward, and the first dust hood, the second dust hood End be connected respectively by two suction hole pipelines of the first suction pipeline, the second suction pipeline and dustbin;
The air entry of the wind turbine is connected with the aspirating hole of the dustbin;
The dustbin is equipped at aspirating hole for preventing dust from entering the dust-proof guard of wind turbine air entry;
The clearing apparatus includes first to fourth cleaning unit, wherein the first cleaning unit, the setting of the second cleaning unit In first dust hood both sides, third cleaning unit, the 4th cleaning unit are arranged in the second dust hood both sides;
First to fourth cleaning unit includes hydraulic telescopic rod, motor, shell, shaft, clean disk and cleans hair Brush, wherein the chassis in described hydraulic telescopic rod one end and compartment is fixedly linked, and the other end and the shell are fixedly linked;It is described Motor is fixed on the housing, and one end of output end and the shaft is fixedly linked;The clean disk upper surface is in disk Shape, the other end of end face center and the shaft is fixedly linked thereon, lower face and the brush sweeper are fixedly linked;It is described clear The brush finish of brooming brush is downward;
The watering device includes water tank, the first to the second water pipe, first to second solenoid valve door and the first to the second Watering unit;
The water tank upper is equipped with water filling port, lower part is equipped with water outlet;
The first watering unit, the second watering unit going out by the first water pipe, the second water pipe and the water tank respectively The mouth of a river is connected;
The first watering unit, the second watering unit include that watering holder and several be uniformly arranged on holder are sprayed Head, watering holder, the second watering holder for sprinkling water unit of the first watering unit are separately positioned on the front end of the carriage chassis The rear end and;
First electromagnetic valve, second solenoid valve door are separately positioned in first water pipe, the second water pipe, are used respectively In the break-make for controlling the first water pipe, the second water pipe;
The control module respectively with the hydraulic telescopic rod, first to fourth clear in wind turbine, first to fourth cleaning unit The motor in unit, the first electromagnetic valve, second solenoid valve door is swept to be electrically connected.
As a kind of further prioritization scheme of multipurpose road sweeper of the present invention, it is arranged at the chassis of the compartment tail portion There is camera, display screen is equipped in the headstock driver's cabin, the camera, display screen are equal to be connected with the control module, In, the camera is used to show the picture captured by the camera for shooting the image after vehicle, the display screen.
Also include bulldozing device as a kind of further prioritization scheme of multipurpose road sweeper of the present invention;
The bulldozing device is arranged in headstock front end, including shoveling, perching knife, jackshaft and support arm;
Described support arm one end is fixedly connected with headstock, the other end and jackshaft rotation connection;
The vertical section of the shoveling is in C fonts, and the both ends of the inner wall of two side plate and the jackshaft can be removable Unload the connection of formula so that the shoveling can be freely rotated around by the jackshaft;
The both ends of the shoveling cambered surface can be detachable with the support arm connection so that the shoveling can It is fixed on cambered surface upward or cambered surface state directed downwardly;
When the shoveling is fixed on the state of cambered surface upward, the perching knife can be detachable with the front end of the shoveling Connection.
Also include to raise snow device as a kind of further prioritization scheme of multipurpose road sweeper of the present invention;
The snow device of raising includes Snow cleaning brush, the Snow cleaning brush and the detachable connection of the jackshaft.
When use being needed to raise snow device, perching knife is unloaded, shoveling is fixed on cambered surface state directed downwardly as raising snowbreak plate It uses, and Snow cleaning brush is mounted on the jackshaft.
As a kind of further prioritization scheme of multipurpose road sweeper of the present invention, the air entry of wind turbine is in 30 degree of inverse times Needle direction is connected with dustbin.
As a kind of further prioritization scheme of multipurpose road sweeper of the present invention, arc is equipped on the outside of rubbish box body Handle, convenient for dumping rubbish.
The present invention has the following technical effects using above technical scheme is compared with the prior art:
Hydraulically extensible cleaning arm can be adjusted by the width of roadway that camera and position sensor detect, be cleaned Area can be adjusted according to road conditions, and strong environmental adaptability, to clean effect good, and can use in winter, have soil-shifting, clear snow, The functions such as Yang Xue, energy utilization rate are high.
Description of the drawings
Fig. 1 is the structural schematic diagram of multipurpose road sweeper of the present invention;
Fig. 2 is clearing apparatus and the matched structural schematic diagram of dust hood in the present invention.
In figure:1. perching knife, 2. shovelings, 3. Snow cleaning brushes, 4. jackshafts, 5. support arms, 6. headstocks, 7. compartments, 8. hydraulic pressure are stretched Contracting bar, 9. brush sweepers, 10. first suction pipelines, 11. second suction pipelines, 12. nozzles, 13. cameras, 14. wind turbines, 15. The air entry of wind turbine, 16. first electromagnetic valves, 17. second solenoid valve doors, the water filling port of 18. water tanks, the water outlet of 19. water tanks, 20. dust-proof guard, 21. dustbins, 22. water tanks, 23. handles, 24. second water pipes, 25. first water pipes, 26. chassis, 27. clean Disk, 28. shafts, 29. dust hoods.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, the invention discloses a kind of multipurpose road sweepers, including vehicle body, control mould Block, dust exhaust apparatus, clearing apparatus and watering device;
The vehicle body includes headstock and compartment;
The dust exhaust apparatus includes wind turbine, dustbin, the first to the second suction pipeline and the first to the second dust hood;
The dustbin is set there are one aspirating hole and two suction holes;
The equal cover of the first to the second dust hood is arranged in car bottom downward, and the first dust hood, the second dust hood End be connected respectively by two suction hole pipelines of the first suction pipeline, the second suction pipeline and dustbin;
The air entry of the wind turbine is connected with the aspirating hole of the dustbin;
The dustbin is equipped at aspirating hole for preventing dust from entering the dust-proof guard of wind turbine air entry;
The clearing apparatus includes first to fourth cleaning unit, wherein the first cleaning unit, the setting of the second cleaning unit In first dust hood both sides, third cleaning unit, the 4th cleaning unit are arranged in the second dust hood both sides;
First to fourth cleaning unit includes hydraulic telescopic rod, motor, shell, shaft, clean disk and cleans hair Brush, wherein the chassis in described hydraulic telescopic rod one end and compartment is fixedly linked, and the other end and the shell are fixedly linked;It is described Motor is fixed on the housing, and one end of output end and the shaft is fixedly linked;The clean disk upper surface is in disk Shape, the other end of end face center and the shaft is fixedly linked thereon, lower face and the brush sweeper are fixedly linked;It is described clear The brush finish of brooming brush is downward;
The watering device includes water tank, the first to the second water pipe, first to second solenoid valve door and the first to the second Watering unit;
The water tank upper is equipped with water filling port, lower part is equipped with water outlet;
The first watering unit, the second watering unit going out by the first water pipe, the second water pipe and the water tank respectively The mouth of a river is connected;
The first watering unit, the second watering unit include that watering holder and several be uniformly arranged on holder are sprayed Head, watering holder, the second watering holder for sprinkling water unit of the first watering unit are separately positioned on the front end of the carriage chassis The rear end and;
First electromagnetic valve, second solenoid valve door are separately positioned in first water pipe, the second water pipe, are used respectively In the break-make for controlling the first water pipe, the second water pipe;
The control module respectively with the hydraulic telescopic rod, first to fourth clear in wind turbine, first to fourth cleaning unit The motor in unit, the first electromagnetic valve, second solenoid valve door is swept to be electrically connected.
As a kind of further prioritization scheme of multipurpose road sweeper of the present invention, it is arranged at the chassis of the compartment tail portion There is camera, display screen is equipped in the headstock driver's cabin, the camera, display screen are equal to be connected with the control module, In, the camera is used to show the picture captured by the camera for shooting the image after vehicle, the display screen.
Also include bulldozing device as a kind of further prioritization scheme of multipurpose road sweeper of the present invention;
The bulldozing device is arranged in headstock front end, including shoveling, perching knife, jackshaft and support arm;
Described support arm one end is fixedly connected with headstock, the other end and jackshaft rotation connection;
The vertical section of the shoveling is in C fonts, and the both ends of the inner wall of two side plate and the jackshaft can be removable Unload the connection of formula so that the shoveling can be freely rotated around by the jackshaft;
The both ends of the shoveling cambered surface can be detachable with the support arm connection so that the shoveling can It is fixed on cambered surface upward or cambered surface state directed downwardly;
When the shoveling is fixed on the state of cambered surface upward, the perching knife can be detachable with the front end of the shoveling Connection.
Also include to raise snow device as a kind of further prioritization scheme of multipurpose road sweeper of the present invention;
The snow device of raising includes Snow cleaning brush, the Snow cleaning brush and the detachable connection of the jackshaft.
When use being needed to raise snow device, perching knife is unloaded, shoveling is fixed on cambered surface state directed downwardly as raising snowbreak plate It uses, and Snow cleaning brush is mounted on the jackshaft.
As a kind of further prioritization scheme of multipurpose road sweeper of the present invention, the air entry of wind turbine is in 30 degree of inverse times Needle direction is connected with dustbin.
As a kind of further prioritization scheme of multipurpose road sweeper of the present invention, arc is equipped on the outside of rubbish box body Handle, convenient for dumping rubbish.
Sweeper both sides are provided with two pairs of clean disks, improve cleaning dynamics, one is respectively arranged among two pairs of clean disks A dust hood, dust hood are rectangle opened type, are mounted on tray bottom, when clearing apparatus works, the rotation side of each clean disk It is rotated to for brush sweeper from the outer side of car body to body inner side so that dust collects to two dust hoods.Two suction pipelines Work independently, before one be responsible for clean for the first time, adsorb large volume of rubbish, the completions such as latter one attracting dust, particle Secondary cleaning, the rubbish being inhaled into pass through the cambered design of dustbin bottom, natural packing to dustbin bottom.
First suction pipeline and the second suction pipeline are arc pipe, and effectively less rubbish enters suction pipeline Resistance improves clean efficiency.Due to being provided with wind turbine in car body, thus negative pressuren zone is formed in dustbin, to protect Demonstrate,proving rubbish and airborne dust outside car body can be sucked by suction pipeline in dustbin, ensure that the cleaning effect of road sweeper Rate.
It is equipped with dust-proof guard in dustbin, is placed on the inlet side of wind turbine, prevents the larger particulate matter in dustbin from falling Such as wind turbine is inhaled, the blade of wind turbine is damaged.
In watering device, the first water pipe, the second water pipe are separately positioned on compartment rear portion and compartment front, are punished by water outlet Stream, by the switch in solenoid valve control water route, pipeline is arranged in car body both sides in smoothed curve, and the first water pipe is covered by dustbin Part is drawn by dotted line, and flow passes through nozzle, earthward sprays water mist.Preposition nozzle setting water spray is smaller, be conducive to dust, The condensation of particulate matter improves the cleaning efficiency of brush sweeper and dust hood absorption rubbish;First water pipe is relatively large in diameter so nozzle Water spray is larger, and humidity, cleaning for keeping road surface after cleaning make the dirt attraction not cleaned completely in ground, subtract Dust particles in few air, effectively reduce the pollution of dust.
Sweeper front end is provided with soil-shifting and raises snow device, and spiral-distributed Snow cleaning brush forms cylinder shape with intermediate axis connection Raise snow device, shoveling both sides are fixed at jackshaft both ends, and the jackshaft is rotatable, dismounting, and shoveling connects with support arm bolt It is connected to driver's cabin front end, the shoveling bottom, upper end are equipped with bolt connecting device, can be connect with support arm, and the spiral shell It tethers and connects detachably.If by shoveling around central shaft swing counterclockwise, then shoveling bottom is bolted with support arm, as raising Snowbreak plate uses, and the rotary motion with Snow cleaning brush is completed to raise the function of snow jointly, and bulldozing device is by shoveling, perching knife, support arm group At functions, the summers such as unloading Snow cleaning brush and jackshaft, support arm are bolted with shoveling upper end at this time, and completion bulldozes, sweeps away snow make Used time, off-loadable above-mentioned shoveling, perching knife, Snow cleaning brush, jackshaft;
Road sweeper in the present invention can be avoided effectively because cleaning arm scope of activities is limited so that sweeper is relatively narrow Or the problem of can not once completing cleaning works compared with broad way face, causing repeatedly to clean waste mass energy, reduce road work Cost, improve cleaning precision.Road sweeper in the present invention can use in winter, to efficiently solve the equipment spare time The problem of setting improves energy utilization rate.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein(Including skill Art term and scientific terminology)With meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Also It should be understood that those terms such as defined in the general dictionary should be understood that with in the context of the prior art The consistent meaning of meaning, and unless defined as here, will not be explained with the meaning of idealization or too formal.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not limited to this hair Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention Protection domain within.

Claims (5)

1. multipurpose road sweeper, which is characterized in that comprising vehicle body, control module, dust exhaust apparatus, clearing apparatus, spill Water installations and bulldozing device;
The vehicle body includes headstock and compartment;
The dust exhaust apparatus includes wind turbine, dustbin, the first to the second suction pipeline and the first to the second dust hood;
The dustbin is set there are one aspirating hole and two suction holes;
The equal cover of the first to the second dust hood is arranged in car bottom downward, and the end of the first dust hood, the second dust hood Portion is connected by two suction hole pipelines of the first suction pipeline, the second suction pipeline and dustbin respectively;
The air entry of the wind turbine is connected with the aspirating hole of the dustbin;
The dustbin is equipped at aspirating hole for preventing dust from entering the dust-proof guard of wind turbine air entry;
The clearing apparatus includes first to fourth cleaning unit, wherein the first cleaning unit, the second cleaning unit are arranged in institute The first dust hood both sides are stated, third cleaning unit, the 4th cleaning unit are arranged in the second dust hood both sides;
First to fourth cleaning unit include hydraulic telescopic rod, motor, shell, shaft, clean disk and brush sweeper, In, the chassis in described hydraulic telescopic rod one end and compartment is fixedly linked, and the other end and the shell are fixedly linked;The motor is solid Determine on the housing, one end of output end and the shaft is fixedly linked;The clean disk upper surface is in the form of annular discs, thereon The other end of end face center and the shaft is fixedly linked, lower face and the brush sweeper are fixedly linked;The brush sweeper Brush finish is downward;
The watering device is sprinkled water comprising water tank, the first to the second water pipe, first to second solenoid valve door and the first to the second Unit;
The water tank upper is equipped with water filling port, lower part is equipped with water outlet;
The first watering unit, the second watering unit pass through the first water pipe, the water outlet of the second water pipe and the water tank respectively It is connected;
The first watering unit, the second watering unit include that watering holder and several be uniformly arranged on are sprinkled water on holder Nozzle, first watering unit watering holder, second sprinkle water unit watering holder be separately positioned on the carriage chassis before End and rear end;
First electromagnetic valve, second solenoid valve door are separately positioned in first water pipe, the second water pipe, are respectively used to control Make the break-make of the first water pipe, the second water pipe;
The control module is single with the hydraulic telescopic rod in wind turbine, first to fourth cleaning unit, first to fourth cleaning respectively Motor, the first electromagnetic valve, second solenoid valve door in member are electrically connected;
The bulldozing device is arranged in headstock front end, including shoveling, perching knife, jackshaft and support arm;
Described support arm one end is fixedly connected with headstock, the other end and jackshaft rotation connection;
The vertical section of the shoveling is in C fonts, and the both ends of the inner wall of two side plate and the jackshaft can be detachable Connection so that the shoveling can be freely rotated around by the jackshaft;
The both ends of the shoveling cambered surface can be detachable with the support arm connection so that the shoveling can be fixed Cambered surface upward or cambered surface state directed downwardly;
When the shoveling is fixed on the state of cambered surface upward, company that the perching knife can be detachable with the front end of the shoveling It connects.
2. multipurpose road sweeper according to claim 1, which is characterized in that the compartment tail portion is provided at chassis Camera, the headstock driver's cabin is interior to be equipped with display screen, and the camera, display screen are equal to be connected with the control module, wherein The camera is used to show the picture captured by the camera for shooting the image after vehicle, the display screen.
3. multipurpose road sweeper according to claim 1, which is characterized in that also include to raise snow device;
The snow device of raising includes Snow cleaning brush, the Snow cleaning brush and the detachable connection of the jackshaft.
4. multipurpose road sweeper according to claim 1, which is characterized in that the air entry of wind turbine is counterclockwise in 30 degree Direction is connected with dustbin.
5. multipurpose road sweeper according to claim 1, which is characterized in that be equipped with arc hand on the outside of rubbish box body Handle.
CN201710173525.9A 2017-03-22 2017-03-22 Multipurpose road sweeper CN106836093B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710173525.9A CN106836093B (en) 2017-03-22 2017-03-22 Multipurpose road sweeper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710173525.9A CN106836093B (en) 2017-03-22 2017-03-22 Multipurpose road sweeper

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Publication Number Publication Date
CN106836093A CN106836093A (en) 2017-06-13
CN106836093B true CN106836093B (en) 2018-10-16

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107239774B (en) * 2017-07-27 2020-09-25 深圳市盛路物联通讯技术有限公司 Intelligent road surface cleaning method and device
CN107700393B (en) * 2017-08-18 2019-06-11 长沙福田汽车科技有限公司 Dustbin and sweeping machine
CN107503315A (en) * 2017-08-24 2017-12-22 何恩言 A kind of public miniature scavenging machine
CN107402548A (en) * 2017-09-07 2017-11-28 岑溪市东正动力科技开发有限公司 A kind of highway road deashing device
CN108589607A (en) * 2017-09-22 2018-09-28 常州爱上学教育科技有限公司 For urban road, the working method on the sprinkling truck on ground can be cleaned
CN110424312A (en) * 2019-07-22 2019-11-08 安徽名扬刷业有限公司 A kind of sanitation cart disc type sweep brush
CN110468764A (en) * 2019-08-23 2019-11-19 广州市欧树环保科技有限公司 A kind of good road sweeper of cleaning effect for beautifying city

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477605B (en) * 2011-01-12 2012-02-01 Stocks Sweepers Ltd Road sweeping vehicle
CN202055213U (en) * 2011-03-21 2011-11-30 余崇光 Cleaning vehicle for environmental sanitation
CN204803821U (en) * 2015-05-28 2015-11-25 中铁十八局集团隧道工程有限公司 Novel highway maintenance car
CN104963307B (en) * 2015-08-05 2017-01-18 叶建新 Road surface sweeper
CN206956633U (en) * 2017-03-22 2018-02-02 南京航空航天大学 Multipurpose road sweeper

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