CN107604866A - A kind of road-cleaning device for reducing dust - Google Patents
A kind of road-cleaning device for reducing dust Download PDFInfo
- Publication number
- CN107604866A CN107604866A CN201710999909.6A CN201710999909A CN107604866A CN 107604866 A CN107604866 A CN 107604866A CN 201710999909 A CN201710999909 A CN 201710999909A CN 107604866 A CN107604866 A CN 107604866A
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- bevel gear
- dust
- road
- rotating bar
- water tank
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of road-cleaning device for reducing dust, including bottom plate, the first water tank, hoisting mechanism, scraper bowl, cleaning roller, pump mechanism, the second water tank, dust-falling mechanism；The bottom plate lower end is provided with cleaning roller, and scraper bowl is provided with the left of cleaning roller；The scraper bowl left end is provided with hoisting mechanism, and the left end of hoisting mechanism is provided with collecting tank；It is provided with above the bottom plate and pumps mechanism, pumping mechanism includes dust shield, bevel gear B, incomplete bevel gear, the second rotating bar, bevel gear C, screw shell, threaded rod, piston and cylinder body；The second water tank upper end is provided with multigroup dust-falling mechanism, and dust-falling mechanism includes atomizing nozzle, the first rotating bar, outlet pipe, jet arc and baffle plate.The present invention is simple in construction, easy to operate, and the dust on road and rubbish can be cleared up simultaneously, and cleaning efficiency is high, while carries out depositing dust to air, improves environmental quality, adds the aesthetic property of town road.
Description
Technical field
The present invention relates to municipal field, specifically a kind of road-cleaning device for reducing dust.
Background technology
Road sweeper is the new and effective cleaning equipment for integrating road cleaning, garbage reclamation and transport.Simply
Say to be exactly the vehicle of sweeping the floor that road-cleaning function is reequiped on special-purpose automobile chassis, vehicle installs additional in addition in addition to engine in situ
One assistant engine, four drive a variety of corollary equipments such as work, band blower fan, dustbin, water tank brush by hydraulic motor.It is this
Brand-new vehicle can once complete floor cleaning, road curb side cleans, the cleaning of road curb and watering to ground after cleaning
Deng work, suitable for various weathers and the cleaning work of different dry pavements.
The situation of airborne dust usually occurs when cleaning dust for existing sweeper, especially when weather temperature is higher,
Because disc type besom rotates the air whirl caused by underbody, substantial amounts of dust is blown out under car body, is unfavorable for cleaning works, and
And cause environmental pollution, influence pedestrian body health.
The content of the invention
It is an object of the invention to provide a kind of road-cleaning device for reducing dust, is asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of road-cleaning device for reducing dust, including bottom plate, the first water tank, hoisting mechanism, scraper bowl, cleaning roller, pump mechanism, second
Water tank, dust-falling mechanism；The bottom plate lower end is provided with cleaning roller, and scraper bowl is provided with the left of cleaning roller；The scraper bowl left end is set
There is hoisting mechanism, the left end of hoisting mechanism is provided with collecting tank；It is provided with above the bottom plate and pumps mechanism, pumping mechanism includes
Dust shield, bevel gear B, incomplete bevel gear, the second rotating bar, bevel gear C, screw shell, threaded rod, piston and cylinder body, cylinder
Slide in vivo and be provided with piston, the right-hand member of piston is fixedly connected with threaded rod；The right-hand member of the threaded rod and screw shell screw thread
Connection, right-hand member and the cylinder body of screw shell are rotatablely connected；The second rotating bar is provided with the right side of the cylinder body, the second rotating bar runs through
Cylinder body right side wall and it is fixedly connected with the right-hand member of screw shell, bevel gear C is symmetrically installed with the second rotating bar, bevel gear C's
Incomplete bevel gear is provided with above centre position；Described incomplete bevel gear is fixedly connected by rotating shaft with bevel gear B, cone
Bevel gear A is engaged with the right side of gear B, bevel gear A is fixedly connected by connecting rod with bevel gear E；Engaged on the right side of the bevel gear E
There are bevel gear D, bevel gear D to be fixedly mounted on the output shaft of electric rotating machine, it is also fixed on the output shaft of described electric rotating machine
Roller is installed, roller is rotatablely connected by belt and cleaning roller；The cylinder body upper end passes on left conduit and the second water tank connects
It is logical, it is provided with check valve in conduit, the second water tank upper end is provided with multigroup dust-falling mechanism, and dust-falling mechanism includes atomizing nozzle, the
One rotating bar, outlet pipe, jet arc and baffle plate, first rotating bar are hollow structure, and the first rotating bar is rotatably connected on
Second water tank upper end and communicated with the second water tank, jet arc is circumferentially provided with the first rotating bar；In the jet arc
Outlet pipe is provided with, left and right ends are provided with atomizing nozzle on outlet pipe, and atomizing nozzle stretches out the first rotating bar；The outlet pipe
Lower end is connected by swivel joint with aqueduct, and the other end of aqueduct is stretched into the first water tank, and the first water tank is arranged on bottom plate
Upper end.
As the further scheme of the present invention：The bottom plate lower end is symmetrically installed with wheel.
As further scheme of the invention：Bristle is provided with the cleaning roller.
As further scheme of the invention：The cylinder body is rectangle structure.
As further scheme of the invention：The electric rotating machine is fixedly mounted inside the shell, the connection of shell lower end
In bottom plate upper end.
As further scheme of the invention：The cylinder body passes on left conduit and connected with dust shield, is set in conduit
There is check valve, dust shield is arranged in scraper bowl.
As further scheme of the invention：Baffle plate is provided with first rotating bar.
As further scheme of the invention：Suction pump is provided with the aqueduct.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can be simultaneously clear to the dust on road and rubbish
Reason, cleaning efficiency is high, and floor-dust is pumped into dissolving in water can effectively prevent that dust is kicked up in cleaning process, enters in road pavement
Depositing dust is carried out to the dust granules in air by atomizing nozzle during row cleaning, improves environmental quality, atomizing nozzle
Rotated under the drive of rotating bar, improve range of atomized flow, the gas that rotating bar is pushed by cylinder body drives, dynamic without other
Power, save the energy.In summary, the present invention is simple in construction, easy to operate, can be simultaneously clear to the dust on road and rubbish
Reason, cleaning efficiency is high, while carries out depositing dust to air, improves environmental quality, adds the aesthetic property of town road.
Brief description of the drawings
Fig. 1 is the structural representation of road-cleaning device for reducing dust.
Fig. 2 is the structural representation of cylinder body in road-cleaning device for reducing dust.
Fig. 3 is the schematic enlarged-scale view at A in road-cleaning device for reducing dust.
Fig. 4 is the top view of jet arc in road-cleaning device for reducing dust.
Fig. 5 is the top view of electric rotating machine in road-cleaning device for reducing dust.
In figure：1- bottom plates, 2- wheels, the water tanks of 3- first, 4- collecting tanks, 5- hoisting mechanisms, 6- scraper bowls, 7- dust shields, 8-
Cleaning roller, 9- belts, 10- shells, 11- electric rotating machines, 12- rollers, 13- suction pumps, 14- aqueducts, 15- atomizing nozzles, 16-
First rotating bar, 17- outlet pipes, the water tanks of 18- second, 19- connecting rods, 20- bevel gear A, 21- bevel gears B, 22- are not exclusively bored
Gear, the rotating bars of 23- second, 24- bevel gear C, 25- screw shell, 26- threaded rods, 27- pistons, 28- cylinder bodies, 29- bevel gears
D, 30- bevel gears E, 31- jet arcs, 32- baffle plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-5, a kind of road-cleaning device for reducing dust, including bottom plate 1, the first water tank 3, hoisting mechanism 5, scraper bowl 6,
Cleaning roller 8, pump mechanism, the second water tank 18, dust-falling mechanism；The lower end of bottom plate 1 is symmetrically installed with wheel 2, and wheel 2 is convenient should
Device moves；The lower end of bottom plate 1 is additionally provided with cleaning roller 8, and bristle is provided with cleaning roller 8, and bristle can improve ground cleaning
Effect, the left side of cleaning roller 8 is provided with scraper bowl 6, when cleaning roller 8 works by the dust on ground and refuse sweeping into scraper bowl 6, side
Just handle；The left end of scraper bowl 6 is provided with hoisting mechanism 5, and the left end of hoisting mechanism 5 is provided with collecting tank 4, and hoisting mechanism 5 will
Solid refuse is transported in collecting tank 4 and collected；The top of the bottom plate 1, which is provided with, pumps mechanism, pump mechanism include dust shield 7,
Bevel gear B21, incomplete bevel gear 22, the second rotating bar 23, bevel gear C24, screw shell 25, threaded rod 26, the and of piston 27
Cylinder body 28, the cylinder body 28 are rectangle structure, are slided in cylinder body 28 and are provided with piston 27, right-hand member and the threaded rod 26 of piston 27
It is fixedly connected, band piston 27 horizontally slips in cylinder body 28 when threaded rod 26 moves left and right；The right-hand member of the threaded rod 26 with
Screw shell 25 is threadedly coupled, and right-hand member and the cylinder body 28 of screw shell 25 are rotatablely connected, and screw shell 25 makes threaded rod when rotating
26 occurred levels move backward；The right side of cylinder body 28 is provided with the second rotating bar 23, and the second rotating bar 23 is right through cylinder body 28
Side wall and it is fixedly connected with the right-hand member of screw shell 25, bevel gear C24, bevel gear C24 is symmetrically installed with the second rotating bar 23
Centre position above be provided with incomplete bevel gear 22, incomplete bevel gear 22 rotates, the cone tooth at its position and left side with teeth
The second rotating bar 23 is driven to rotate during wheel C24 engagements, when incomplete bevel gear 22 is rotated further cone of the position with teeth away from left side
Gear C 24 and when being engaged with the bevel gear C24 on right side, the second rotating bar 23 inverts；Described incomplete bevel gear 22 is logical
Cross rotating shaft to be fixedly connected with bevel gear B21, be engaged with bevel gear A20 on the right side of bevel gear B21, bevel gear A20 passes through connecting rod 19
It is fixedly connected, is rotated when bevel gear E30 is rotated by connecting rod 19 with dynamic bevel gear A20, bevel gear A20 leads to bevel gear E30
Crossing the bevel gear B21 being engaged with drives incomplete bevel gear 22 to rotate；Bevel gear D29 is engaged with the right side of the bevel gear E30,
Bevel gear D29 is fixedly mounted on the output shaft of electric rotating machine 11, is also fixedly mounted on the output shaft of described electric rotating machine 11
There is roller 12, roller 12 is rotatablely connected by belt 9 and cleaning roller 8；The electric rotating machine 11 is fixedly mounted on the inner side of shell 10,
The lower end of shell 10 is connected to the upper end of bottom plate 1；The cylinder body 28 passes on left conduit and connected with dust shield 7, and list is provided with conduit
To valve, dust shield 7 is arranged in scraper bowl 6, and dust shield 7 absorbs to entering the dust in scraper bowl 6.
The upper end of cylinder body 28 passes on left conduit and connected with the second water tank 18, and check valve, cylinder body 28 are provided with conduit
By in the gas push with dust to the second water tank 18, by the water in the second water tank by dirt absorption, on the second water tank 18
End is provided with multigroup by dirt mechanism, and dirt mechanism is included into atomizing nozzle 15, the first rotating bar 16, outlet pipe 17, jet arc 31
With baffle plate 32, first rotating bar 16 is hollow structure, the first rotating bar 16 be rotatably connected on the upper end of the second water tank 18 and with
Second water tank 18 communicates, and is circumferentially provided with jet arc 31 in the first rotating bar 16, and the second water tank 18 is by the dust in gas
Discharged after absorption by jet arc 31, drive the first rotating bar 16 to rotate during jet arc 31 sprays gas；Institute
State and outlet pipe 17 is provided with jet arc 31, left and right ends are provided with atomizing nozzle 15 on outlet pipe 17, and atomizing nozzle 15 is stretched
Go out the first rotating bar 16；Baffle plate 32 is provided with first rotating bar 16, the effect of baffle plate 32 is to realize to pass through the second water tank
18 gas is discharged by jet arc 31；The lower end of outlet pipe 17 is connected by swivel joint with aqueduct 14, water guide
The other end of pipe 14 is stretched into the first water tank 3, and the first water tank 3 is arranged on the upper end of bottom plate 1, and suction pump is provided with aqueduct 14
13, the water in the first water tank 3 is drawn through the effect of atomizing nozzle 15 by suction pump 13, is sprayed after atomization, in surrounding air
Dust be purged.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of road-cleaning device for reducing dust, including bottom plate（1）, the first water tank（3）, hoisting mechanism（5）, scraper bowl（6）, cleaning roller
（8）, pump mechanism, the second water tank（18）, dust-falling mechanism；Characterized in that, the bottom plate（1）Lower end is provided with cleaning roller（8）,
Cleaning roller（8）Left side is provided with scraper bowl（6）；The scraper bowl（6）Left end is provided with hoisting mechanism（5）, hoisting mechanism（5）Left end
It is provided with collecting tank（4）；The bottom plate（1）Top, which is provided with, pumps mechanism, and pumping mechanism includes dust shield（7）, bevel gear B
（21）, incomplete bevel gear（22）, the second rotating bar（23）, bevel gear C（24）, screw shell（25）, threaded rod（26）, piston
（27）And cylinder body（28）, cylinder body（28）Interior slip is provided with piston（27）, piston（27）Right-hand member and threaded rod（26）It is fixed to connect
Connect；The threaded rod（26）Right-hand member and screw shell（25）Threaded connection, screw shell（25）Right-hand member and cylinder body（28）Turn
Dynamic connection；The cylinder body（28）Right side is provided with the second rotating bar（23）, the second rotating bar（23）Through cylinder body（28）Right side wall
And and screw shell（25）Right-hand member be fixedly connected, the second rotating bar（23）On be symmetrically installed with bevel gear C（24）, bevel gear C
（24）Centre position above be provided with incomplete bevel gear（22）；Described incomplete bevel gear（22）Pass through rotating shaft and cone tooth
Take turns B（21）It is fixedly connected, bevel gear B（21）Right side is engaged with bevel gear A（20）, bevel gear A（20）Pass through connecting rod（19）With
Bevel gear E（30）It is fixedly connected；The bevel gear E（30）Right side is engaged with bevel gear D（29）, bevel gear D（29）It is fixedly mounted
In electric rotating machine（11）Output shaft on, described electric rotating machine（11）Output shaft on be also installed with roller（12）, rolling
Wheel（12）Pass through belt（9）With cleaning roller（8）Rotation connection；The cylinder body（28）Upper end passes on left conduit and the second water tank
（18）Connect, check valve, the second water tank are provided with conduit（18）Upper end is provided with multigroup dust-falling mechanism, and dust-falling mechanism includes mist
Change jet pipe（15）, the first rotating bar（16）, outlet pipe（17）, jet arc（31）And baffle plate（32）, first rotating bar
（16）For hollow structure, the first rotating bar（16）It is rotatably connected on the second water tank（18）Upper end and with the second water tank（18）Communicate,
First rotating bar（16）On be circumferentially provided with jet arc（31）；The jet arc（31）Inside it is provided with outlet pipe（17）,
Outlet pipe（17）Upper left and right ends are provided with atomizing nozzle（15）, atomizing nozzle（15）Stretch out the first rotating bar（16）；It is described go out
Water pipe（17）Lower end passes through swivel joint and aqueduct（14）Connection, aqueduct（14）The other end stretch into the first water tank（3）It is interior,
First water tank（3）It is arranged on bottom plate（1）Upper end.
2. road-cleaning device for reducing dust according to claim 1, it is characterised in that the bottom plate（1）Lower end is symmetrically installed
There is wheel（2）.
3. road-cleaning device for reducing dust according to claim 1, it is characterised in that the cleaning roller（8）On be provided with brush
Hair.
4. road-cleaning device for reducing dust according to claim 1, it is characterised in that the cylinder body（28）For rectangle knot
Structure.
5. road-cleaning device for reducing dust according to claim 1, it is characterised in that the electric rotating machine（11）It is fixedly mounted
In shell（10）Inner side, shell（10）Lower end is connected to bottom plate（1）Upper end.
6. road-cleaning device for reducing dust according to claim 1, it is characterised in that the cylinder body（28）Pass on left conduit
With dust shield（7）Connect, check valve, dust shield are provided with conduit（7）It is arranged on scraper bowl（6）It is interior.
7. road-cleaning device for reducing dust according to claim 1, it is characterised in that first rotating bar（16）Interior setting
There is baffle plate（32）.
8. road-cleaning device for reducing dust according to claim 1, it is characterised in that the aqueduct（14）On be provided with and take out
Water pump（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999909.6A CN107604866B (en) | 2017-10-24 | 2017-10-24 | A kind of road-cleaning device for reducing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999909.6A CN107604866B (en) | 2017-10-24 | 2017-10-24 | A kind of road-cleaning device for reducing dust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107604866A true CN107604866A (en) | 2018-01-19 |
| CN107604866B CN107604866B (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999909.6A Active CN107604866B (en) | 2017-10-24 | 2017-10-24 | A kind of road-cleaning device for reducing dust |
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| CN108185915A (en) * | 2018-02-07 | 2018-06-22 | 陈子麒 | Practical housework integration creative tools |
| CN108354506A (en) * | 2018-03-14 | 2018-08-03 | 李志豪 | A kind of wiping window dedicated unit |
| CN108468300A (en) * | 2018-04-13 | 2018-08-31 | 郭斌 | A kind of sprinkling truck for road construction |
| CN108505728A (en) * | 2018-04-02 | 2018-09-07 | 李少琴 | A kind of ground cement caking high efficiency cleaning equipment for building |
| CN108677848A (en) * | 2018-08-01 | 2018-10-19 | 王睿 | A kind of small-sized playground scavenging machine |
| CN108739419A (en) * | 2018-05-24 | 2018-11-06 | 合肥图腾龙机械设计有限公司 | A kind of pig house floor-cleaning device |
| CN108867526A (en) * | 2018-07-24 | 2018-11-23 | 卢若望 | A kind of double-piston crank type device for reducing dust |
| CN108951495A (en) * | 2018-07-05 | 2018-12-07 | 温州市华宏市政园林工程建设有限公司 | A kind of automatic cleaning equipment of town road and construction method |
| CN109124505A (en) * | 2018-09-17 | 2019-01-04 | 张连军 | A kind of building rough house floor cleaning device |
| CN109454082A (en) * | 2018-10-30 | 2019-03-12 | 鲁陈 | A kind of road dust exhaust apparatus |
| CN110106818A (en) * | 2019-05-28 | 2019-08-09 | 田春霞 | A kind of floor cleaning cleaning roller and scavenging machine |
| CN110130259A (en) * | 2019-06-11 | 2019-08-16 | 内蒙古万琪机械加工有限责任公司 | A kind of mine road surface flush-type list dual channel cleaning spray boom |
| CN110125815A (en) * | 2019-06-03 | 2019-08-16 | 三门汇真环保科技有限公司 | A kind of environmentally friendly dust falling device in sandblasting procedures |
| CN110152424A (en) * | 2018-03-22 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of energy-saving combustion gas dust-extraction unit |
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| CN110616661A (en) * | 2019-10-29 | 2019-12-27 | 嵊州米想道路设施有限公司 | Road clearance dust absorption and dust device |
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| CN108185915A (en) * | 2018-02-07 | 2018-06-22 | 陈子麒 | Practical housework integration creative tools |
| CN108354506A (en) * | 2018-03-14 | 2018-08-03 | 李志豪 | A kind of wiping window dedicated unit |
| CN110152424A (en) * | 2018-03-22 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of energy-saving combustion gas dust-extraction unit |
| CN108505728A (en) * | 2018-04-02 | 2018-09-07 | 李少琴 | A kind of ground cement caking high efficiency cleaning equipment for building |
| CN108468300A (en) * | 2018-04-13 | 2018-08-31 | 郭斌 | A kind of sprinkling truck for road construction |
| CN108739419A (en) * | 2018-05-24 | 2018-11-06 | 合肥图腾龙机械设计有限公司 | A kind of pig house floor-cleaning device |
| CN108951495A (en) * | 2018-07-05 | 2018-12-07 | 温州市华宏市政园林工程建设有限公司 | A kind of automatic cleaning equipment of town road and construction method |
| CN108867526A (en) * | 2018-07-24 | 2018-11-23 | 卢若望 | A kind of double-piston crank type device for reducing dust |
| CN108677848B (en) * | 2018-08-01 | 2024-04-12 | 南京溧宝数字科技有限公司 | Small-size cleaning machine for playground |
| CN108677848A (en) * | 2018-08-01 | 2018-10-19 | 王睿 | A kind of small-sized playground scavenging machine |
| CN109124505A (en) * | 2018-09-17 | 2019-01-04 | 张连军 | A kind of building rough house floor cleaning device |
| CN109454082A (en) * | 2018-10-30 | 2019-03-12 | 鲁陈 | A kind of road dust exhaust apparatus |
| CN109454082B (en) * | 2018-10-30 | 2021-10-29 | 合肥霞康电子商务有限公司 | Dust extraction for road |
| CN110258423A (en) * | 2019-05-17 | 2019-09-20 | 重庆紫量科技有限公司 | A kind of environment-friendly type watering device |
| CN110106818A (en) * | 2019-05-28 | 2019-08-09 | 田春霞 | A kind of floor cleaning cleaning roller and scavenging machine |
| CN110125815A (en) * | 2019-06-03 | 2019-08-16 | 三门汇真环保科技有限公司 | A kind of environmentally friendly dust falling device in sandblasting procedures |
| CN110125815B (en) * | 2019-06-03 | 2020-04-03 | 三门汇真环保科技有限公司 | Environmental protection dust fall equipment of sandblast in-process |
| CN110181696A (en) * | 2019-06-10 | 2019-08-30 | 滕以飞 | A kind of ceramic tile U.S. seam uses grooving machine |
| CN110130259A (en) * | 2019-06-11 | 2019-08-16 | 内蒙古万琪机械加工有限责任公司 | A kind of mine road surface flush-type list dual channel cleaning spray boom |
| CN110616661A (en) * | 2019-10-29 | 2019-12-27 | 嵊州米想道路设施有限公司 | Road clearance dust absorption and dust device |
| CN110899037A (en) * | 2019-12-11 | 2020-03-24 | 江西大发门业有限公司 | Paint spraying room ground cleaning device |
| CN111501649A (en) * | 2020-04-20 | 2020-08-07 | 田文良 | Municipal administration environment is administered and is used multi-functional watering lorry |
| CN111926752A (en) * | 2020-07-17 | 2020-11-13 | 徐亚卿 | Road surface residue cleaning device for highway maintenance |
| CN111910570A (en) * | 2020-08-17 | 2020-11-10 | 常德市俊德科技发展有限公司 | Road sweeping system with warning device for expressway and method |
| CN114288796A (en) * | 2021-12-03 | 2022-04-08 | 刘桂红 | Environment-friendly construction dust fall equipment |
| CN114288796B (en) * | 2021-12-03 | 2023-08-08 | 湖北麻筑泰建设安装工程有限公司 | Environment-friendly construction dust fall equipment |
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| CN107604866B (en) | 2019-04-09 |
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