CN104790326B - Energy saving and environmental protection garbage sweeper - Google Patents

Energy saving and environmental protection garbage sweeper Download PDF

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Publication number
CN104790326B
CN104790326B CN201510225588.5A CN201510225588A CN104790326B CN 104790326 B CN104790326 B CN 104790326B CN 201510225588 A CN201510225588 A CN 201510225588A CN 104790326 B CN104790326 B CN 104790326B
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China
Prior art keywords
brush
sets
cleaning rack
environmental protection
energy saving
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Expired - Fee Related
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CN201510225588.5A
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Chinese (zh)
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CN104790326A (en
Inventor
王天君
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王天君
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Priority to CN201520195503 priority Critical
Priority to CN2015201955039 priority
Application filed by 王天君 filed Critical 王天君
Priority to CN201510225588.5A priority patent/CN104790326B/en
Publication of CN104790326A publication Critical patent/CN104790326A/en
Application granted granted Critical
Publication of CN104790326B publication Critical patent/CN104790326B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention proposes a kind of energy saving and environmental protection garbage sweeper, it is characterized in setting cleaning rack on the chassis of vehicle body that driver's cabin is anterior, set in the front end of cleaning rack and sweep away brush, the cleaning rack sweeping away brush both sides sets the limit brush of inwardly rotation respectively, washboard is set on the cleaning rack that brush is following sweeping away, conveyer belt is set on cleaning rack after washboard, the motor on the cleaning rack transverse axis hydraulic motor by hydraulic pump drive transverse axis end, limit brush hydraulic motor on two limit brushes, conveyer-belt hydraulic motor on conveyer belt, the back lower place of conveyer belt sets garbage collection box, dust exhaust apparatus is set at the rear portion of car body.The present invention compares with traditional vacuum sweeper, and not only road garbage cleans more thorough, and energy-conserving and environment-protective, easily operating, manufacturing cost and use cost is low.

Description

Energy saving and environmental protection garbage sweeper
Technical field
The present invention relates to sweeper, be specifically related to a kind of energy saving and environmental protection garbage sweeper.
Background technology
Along with social development and the propelling of urbanization, urban population grows with each passing day, and the quantity of refuse that every day produces strengthens day by day.At present, in the refuse sweeping in city, main or by sanitationman manual labour completes, and this working method sweeping efficiency is low, and sanitationman is on the hazard safely when cleaning Streets, and raining, snow weather time have an effect on work.Now, also occurring in that garbage dust absorption car, this garbage dust absorption car in some cities, be all to use fuel oil as power, not only cost is high, and energy consumption is big, not environmentally, moreover during operation, can only adsorb the rubbish that the bodies such as floating ash, dust are the lightest.And for bigger rubbish object, such as brick, stone, honeycomb matchmaker's slag, beer bottle etc., often due to its volume is big and heavier being unable to is adsorbed collecting, in addition it is also necessary to manual pick cleans, inefficiency, waste time and energy, be unfavorable for the refuse sweeping in street.
Summary of the invention
The technical problem to be solved is a kind of energy saving and environmental protection garbage sweeper of design, and this sweeper can make road garbage clean thoroughly, and energy-saving and environmental protection, and work efficiency is high, easy to operate, and simple in construction is cheap.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of energy saving and environmental protection garbage sweeper, car body including band front and back wheel, connected by connecting rod between two front-wheels of described car body, setting front wheel sprockets wherein on a front-wheel, the steering wheel sprocket wheel chain that front wheel sprockets is connected with driver's cabin steering wheel connects;The chassis of vehicle body that driver's cabin is anterior sets the cleaning rack being connected with chassis of vehicle body by moving fulcrum, the hydraulic top being connected with chassis of vehicle body is set in cleaning rack rear end, transverse axis is set in the front end of cleaning rack, transverse axis two ends symmetry sets multiple spring, set cross bar between symmetrical spring end, cross bar sets and sweeps away brush;Right-hand end at transverse axis sets transverse axis hydraulic motor, sets the limit brush of inwardly rotation on the cleaning rack sweeping away brush both sides respectively, and brushing at two sides is respectively by respective limit brush fluid motor-driven;Setting washboard sweeping away on the cleaning rack that brush is following, the cleaning rack after washboard sets conveyer belt, conveyer belt one end is connected with conveyer-belt hydraulic motor;Motor on cleaning rack passes through hydraulic pump drive transverse axis hydraulic motor, two limit brush hydraulic motors, conveyer-belt hydraulic motors;The back lower place of conveyer belt sets garbage collection box;Dust exhaust apparatus is set at the rear portion of car body.
Described dust exhaust apparatus is to set dust suction disc in the driver's cabin back lower place, and dust suction disc is connected with the storage dirt case of the driver's cabin back lower place, and the airduct stored on dirt case is connected with blower fan;Blower fan wind pipe is connected with point gas tank being embedded in filter dirt water tank;Dust suction disc is controlled lifting by the stick of band electric switch handle in driver's cabin.
When cleaning rubbish, in order to increase sweep-out pattern and make waste gas turn waste into wealth to be obtained by, blower is set on the left of described car body, blower air inlet is connected with the gas outlet of filter dirt water tank, blower gas outlet is located to be swept away brush front left side and points to right-hand member, and the blowing hydraulic top on car body controls the spacing of blower and car body.
Described point of gas tank is that top is provided with air inlet, and lower bottom part sets the casing of multiple exhaustor.
Being provided with multiple adjustment hole on the described bracing frame sweeping away brush two ends, cross bar can be fastened from different adjustment holes by regulation bolt.
In order to there is airborne dust when reducing cleaning, setting water spray-jet respectively in the front upper place of said two limit brush, two water spray-jets are connected with the water storage box in driver's cabin by booster pump.
During use, for storage battery and the refuse bin of carrying about standby, the afterbody at described car body is connected with a trailer, the flat board of trailer is placed refuse bin, deposits storage battery under flat board, and the afterbody at trailer sets trailer universal wheel.
When cleaning rubbish, for stable cleaning rack, prevent it from trembling, each side set universal wheel in described cleaning rack front lower place.
Described garbage collection box two ends set handle respectively, set the switch that can open bottom baffle respectively at both ends.
In order to prevent the spring in use transverse axis two ends from swinging, the most baffled at described transverse axis two ends spring outwards.
The present invention uses the energy saving and environmental protection garbage sweeper designed by technique scheme, has the advantages that
1. due to be provided with on cleaning rack sweep away brush and limit brush, can, heavier-weight (up to brick, stone, honeycomb matchmaker slag, beer bottle etc. relatively big to volume, down to floating ash dust) rubbish object clear off, compare with traditional adsorbing garbage dust absorption car of depending merely on, art is good for strength for the present invention, cleans effect more preferable, in hgher efficiency, use cost is low, more energy-conserving and environment-protective;
2, owing to being provided with dust exhaust apparatus and water spray-jet, in dust exhaust apparatus, the water of filter dirt water tank can repeatedly filter dirt use, has saved water resource, and during refuse sweeping, airborne dust is less, more environmentally-friendly energy-conservation;
3., owing to setting blower on the left of car body, the waste gas in filter dirt water tank is utilized very well, saves power, decreases energy consumption, and sweep-out pattern is increased, and cleans effect more preferable;
4, the garbage collection box of the conveyer belt back lower place is after collecting completely, it is convenient to take out, and can change standby empty garbage collection box in time, thus alleviates the deadweight of sweeper, has saved energy consumption, has extended the cleaning time;
5, can dynamically adjust on cross bar position owing to sweeping away the bracing frame of brush, sweep away brush during using, can be according to the degree of wear of brush filament, regulation brush filament and the spacing on ground easily, extend the service life sweeping away brush, achieve and produce once, nonexpondable purpose, save use cost;
The spring at transverse axis two ends the most of the present invention can regulate the time of contact between brush filament and ground and exposure level, thus regulates the friction level between brush filament and ground, extends the service life sweeping away brush, and use cost is reduced further;
7. the present invention uses accumulator to be used as power source, compares with traditional employing internal combustion engine vacuum sweeper, will not produce tail gas pollution, and save the energy, meets the energy-saving and emission-reduction policy that country advocates;
8. present configuration is simple, cheap, simple, convenient.
Accompanying drawing explanation
Fig. 1 represents the structural representation that driver's cabin of the present invention is anterior;
Fig. 2 represents the structural representation on the right side of driver's cabin front portion of the present invention;
Fig. 3 represents the structural representation of conveyer belt of the present invention and rubbish washboard;
Fig. 4 represents the structural representation of driver's cabin of the present invention;
Fig. 5 represents at the motorcycle structural representation that the present invention adds;
Fig. 6 represents the external structure schematic diagram of point gas tank;
Fig. 7 represents the internal structure schematic diagram of point gas tank;
Fig. 8 represents the structural representation of refuse bin of the present invention;
Fig. 9 represents the structural representation of cleaning brush of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the structure of energy saving and environmental protection garbage sweeper of the present invention is illustrated.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 8 and Fig. 9, one energy saving and environmental protection garbage sweeper of the present invention includes car body, car body has front vehicle wheel 12, front vehicle wheel 21 and rear wheel 36, another wheel does not shows, being connected by connecting rod 11 between the front vehicle wheel 12 of car body and front vehicle wheel 21, connecting rod 11 guarantees two front vehicle wheel synchronous axial system.A front-wheel sets front wheel sprockets 17 as on front-wheel 12 wherein, the steering wheel sprocket wheel 48 that front wheel sprockets 17 is connected with driver's cabin steering wheel is connected by chain, and rotate through steering wheel sprocket wheel 48, the front wheel sprockets 17 of steering wheel realize turning to of two front vehicle wheels 12 and 21 under the effect of connecting rod 11.The chassis of vehicle body 13 that driver's cabin is anterior sets the cleaning rack 10 being connected with chassis of vehicle body 13 by moving fulcrum (not shown), setting hydraulic top 14 and hydraulic top 32, hydraulic top 14 and hydraulic top 32 in the rear end of cleaning rack 10 can make cleaning rack 10 lift along moving fulcrum.Set transverse axis 7 in the front end of cleaning rack 10, the two ends symmetry of transverse axis 7 sets multiple spring 25, sets cross bar 27 between symmetrical spring 25 end, and what cross bar 27 set cleaning rubbish sweeps away brush 26.The bracing frame 61 sweeping away brush 26 two ends is provided with multiple adjustment hole 62, cross bar 27 can be fastened from different adjustment holes 62 by regulation bolt, it is achieved thereby that sweep away the brush filament of brush 26 and the regulatory function of ground interplanar distance, the problem that still can clean ground refuse after solving brush filament abrasion.Right-hand end at transverse axis 7 sets transverse axis hydraulic motor 6, and the rotation of transverse axis hydraulic motor 6 drives transverse axis 7 to rotate.The cleaning rack sweeping away on the right side of brush 26 sets the limit brush 4 of inwardly rotation, limit brush 4 is arranged on the limit of chuck 3, limit brush 4 is driven by limit brush hydraulic motor 1, the cleaning rack sweeping away on the left of brush 26 sets the limit brush 30 of inwardly rotation, limit brush 30 is arranged on the limit of chuck 31, and limit brush 30 is driven by limit brush hydraulic motor 28.The cleaning rack sweeping away below brush 26 sets washboard 34, conveyer belt 33 is set on cleaning rack after washboard 34, conveyer belt 33 is looped around on runner 15 and runner 9, runner 15 is arranged on chassis, runner 9 is arranged on cleaning rack 10, be connected with conveyer-belt hydraulic motor 16 in the end of runner 15, conveyer-belt hydraulic motor 16 drives conveyer belt 33 to rotate, and washboard 34 and conveyer belt 33 raise up from front to back.Motor 20 on cleaning rack 10 of the present invention drives hydraulic pump 19, and hydraulic pump 19 drives transverse axis hydraulic motor 6, limit brush hydraulic motor 1, limit brush hydraulic motor 28, conveyer-belt hydraulic motor 16 respectively.The back lower place of conveyer belt 33 sets garbage collection box 35, handle 58 and handle 60 is set respectively at garbage collection box 35 two ends, handle 58 and handle 60 can stick on the end face of garbage collection box 3, set the switch 59 that can open bottom baffle respectively at the both ends of garbage collection box 35.Switching 59 upper ends to be connected on the end of garbage collection box 35, be connected to the end of garbage collection box 35 also by spring, lower end hangs over the base plate limit of garbage collection box 35 by hook.
The present invention is provided with dust exhaust apparatus at the rear portion of car body.See Fig. 1, Fig. 4, Fig. 6 and Fig. 7, dust exhaust apparatus is to set dust suction disc 37 in the driver's cabin back lower place, dust suction disc 37 is connected with the storage dirt case (not shown) of the driver's cabin back lower place by flexible pipe 38, the airduct stored on dirt case is connected with blower fan 44, the wind pipe of blower fan 44 is connected with point gas tank 56 being embedded in filter dirt water tank 43, and dust suction disc 37 is controlled lifting by the stick 49 of band electric switch handle 47 in driver's cabin.Gas tank 56 is divided to be provided with air inlet for top, lower bottom part sets the casing of multiple exhaustor 57, the wind pipe of blower fan 44 is blown into the gas of point gas tank 56 and enters the filter dirt water tank 43 equipped with water after exhaustor 57, dust is deposited in filter dirt water tank 43, filters clean gas and is stored on the water surface of filter dirt water tank 43.When cleaning rubbish, in order to increase sweep-out pattern and utilize the waste gas on filter dirt water tank 43 water surface, blower 23 is set on the left of car body, the air inlet of blower 23 is connected with the gas outlet of filter dirt water tank 43, and blower 23 gas outlet is located to be swept away brush 26 front left side and points to right-hand member (i.e. pointing to the leading section sweeping away brush 26).Blower 23 is controlled the spacing of itself and car body by the blowing hydraulic top 22 on car body, so can regulate the blower 23 blowing area to ground refuse.The present invention also set after car body driver's cabin accumulator handling door 39, filter dirt water tank door 42, filter dirt water tank add water valve 41 and store dirt chamber door 40, filter dirt water tank door 42 is provided around sealing strip, the earth precipitated in can clearing up filter dirt water tank 43 after opening, add water valve 41 by filter dirt water tank to add water in filter dirt water tank 43, the rubbish stored in dirt case by storing dirt chamber door 40 to clear up.
See Fig. 1 and Fig. 2, in order to airborne dust occurring when reducing cleaning, set water spray-jet 2 in the front upper place of limit brush 4, set water spray-jet 29, water spray-jet 2 and water spray-jet 29 in the front upper place of limit brush 30 and be connected with the water storage box (not shown) in driver's cabin by booster pump 18.
Owing to the present invention uses storage battery as power source, a large amount of rubbish can be swept out also due to work long hours, in order to guarantee that sweeper the most normally uses, see Fig. 5, afterbody at car body passes through latch 50 and is connected with the trailer of a both sides belt wheel 52, sky garbage collection box 55 can be placed on the flat board 54 of trailer and fill the garbage collection box of rubbish, standby storage battery 51 is deposited below flat board 54, afterbody at trailer sets trailer universal wheel 53, and trailer universal wheel 53 is convenient is easy to trailer movable trailer after trailer departs from car body.
The present invention, when cleaning rubbish, for stable cleaning rack 10, prevents cleaning rack 10 from trembling, sees Fig. 1 and Fig. 2, each side set universal wheel in the front lower place of cleaning rack 10, the universal wheel 8 on the right side of cleaning rack 10 shown in Fig. 1.In order to prevent the spring in use transverse axis 7 two ends from swinging, at the right-hand member spring outwards baffled 5 of transverse axis 7, at the left end spring outwards baffled 24 of transverse axis 7.
The present invention is when road pavement cleans, vehicle operator makes cleaning rack 10 fall by the button of the electromagnetic valve 46 in driver's cabin, sweep away brush 26 and washboard 34 lands simultaneously, motor 20 is driven to rotate by the handle 45 in driver's cabin, sweep away brush 26 and the rubbish on ground is swept on washboard 34, being transplanted on conveyer belt 33 by rubbish by washboard 34, rubbish is sent in garbage collection box 35 under the effect of conveyer belt 33 again.By the switch activated water spray-jet 2 in driver's cabin and water spray-jet 29, is sprayed water in ground again, reduce airborne dust.Limit brush 4 by the refuse sweeping of the roadside of road or precipice, road root to before sweeping away brush 26, then can be swept on washboard 34 by sweeping away 26 rubbish of brush.Simultaneously, vehicle operator is by promoting stick 49 and rotating electric switch handle 47 and make dust suction disc 37 land dust suction, the dust of absorption is purified process after storage dirt case gathers dust, filters dirt water tank 43 dedusting, the road surface swept away on the left of brush 26 is blown after blower 23 is discharged and gathers dust by filter dirt water tank 43 expellant gas again, which increases sweep-out pattern and cleans effect.After garbage collection box 35 is filled, can replace by garbage collection box standby on timely trailer, it is achieved clean ground refuse incessantly.When need not clean, as long as pressing the respective keys of moving electromagnetic valve 46, cleaning rack 10 rises, and sweeps away brush 26, limit brush 4 and limit brush 30 and departs from ground and no longer clean rubbish, meanwhile, makes dust suction disc 37 rise no longer dust suction by stick 49 and electric switch handle 47.Garbage collection box 35 equipped with rubbish can open its base plate by switch 59, makes rubbish be poured on refuse collector or waste deposit ground.
The present invention is on probation through trial-production, the floating ash dust on road surface can not only be cleaned, it also is able to clean that brick, stone, honeycomb matchmaker's slag, beer bottle equal-volume on road surface be relatively big, the rubbish object of heavier-weight simultaneously, clean effective, energy consumption and use cost are low, simple to operation, it is the preferable refuse cleaning vehicle of current urban road.

Claims (10)

1. an energy saving and environmental protection garbage sweeper, car body including band front and back wheel, it is characterized in that being connected by connecting rod between two front-wheels of described car body, set front wheel sprockets wherein on a front-wheel, the steering wheel sprocket wheel chain that front wheel sprockets is connected with driver's cabin steering wheel connects;The chassis of vehicle body that driver's cabin is anterior sets the cleaning rack being connected with chassis of vehicle body by moving fulcrum, the hydraulic top being connected with chassis of vehicle body is set in cleaning rack rear end, transverse axis is set in the front end of cleaning rack, transverse axis two ends symmetry sets multiple spring, set cross bar between symmetrical spring end, cross bar sets and sweeps away brush;Right-hand end at transverse axis sets transverse axis hydraulic motor, sets the limit brush of inwardly rotation on the cleaning rack sweeping away brush both sides respectively, and brushing at two sides is respectively by respective limit brush fluid motor-driven;Setting washboard sweeping away on the cleaning rack that brush is following, the cleaning rack after washboard sets conveyer belt, conveyer belt one end is connected with conveyer-belt hydraulic motor;Motor on cleaning rack passes through hydraulic pump drive transverse axis hydraulic motor, two limit brush hydraulic motors, conveyer-belt hydraulic motors;The back lower place of conveyer belt sets garbage collection box;Dust exhaust apparatus is set at the rear portion of car body.
Energy saving and environmental protection garbage sweeper the most according to claim 1, is characterized in that described dust exhaust apparatus is to set dust suction disc in the driver's cabin back lower place, and dust suction disc is connected with the storage dirt case of the driver's cabin back lower place, and the airduct stored on dirt case is connected with blower fan;Blower fan wind pipe is connected with point gas tank being embedded in filter dirt water tank;Dust suction disc is controlled lifting by the stick of band electric switch handle in driver's cabin.
Energy saving and environmental protection garbage sweeper the most according to claim 2, it is characterized in that setting blower on the left of described car body, blower air inlet is connected with the gas outlet of filter dirt water tank, blower gas outlet is located to be swept away brush front left side and points to right-hand member, and the blowing hydraulic top on car body controls the spacing of blower and car body.
Energy saving and environmental protection garbage sweeper the most according to claim 2, is characterized in that a described point gas tank is that top is provided with air inlet, and lower bottom part sets the casing of multiple exhaustor.
Energy saving and environmental protection garbage sweeper the most according to claim 1 and 2, is characterized in that setting bracing frame at described brush two ends of sweeping away, and bracing frame is provided with multiple adjustment hole, and cross bar can be fastened from different adjustment holes by regulation bolt.
Energy saving and environmental protection garbage sweeper the most according to claim 1 and 2, the front upper place that its feature is brushed on said two limit sets water spray-jet respectively, and two water spray-jets are connected with the water storage box in driver's cabin by booster pump.
Energy saving and environmental protection garbage sweeper the most according to claim 1 and 2, is characterized in that being connected with a trailer at the afterbody of described car body, the flat board of trailer is placed refuse bin, deposits storage battery under flat board, and the afterbody at trailer sets trailer universal wheel.
Energy saving and environmental protection garbage sweeper the most according to claim 1 and 2, is characterized in that each side setting universal wheel in described cleaning rack front lower place.
Energy saving and environmental protection garbage sweeper the most according to claim 1 and 2, is characterized in that described garbage collection box two ends set handle respectively, sets the switch that can open bottom baffle at both ends respectively.
Energy saving and environmental protection garbage sweeper the most according to claim 1 and 2, is characterized in that at described transverse axis two ends spring outwards the most baffled.
CN201510225588.5A 2015-04-02 2015-05-06 Energy saving and environmental protection garbage sweeper Expired - Fee Related CN104790326B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201520195503 2015-04-02
CN2015201955039 2015-04-02
CN201510225588.5A CN104790326B (en) 2015-04-02 2015-05-06 Energy saving and environmental protection garbage sweeper

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Application Number Priority Date Filing Date Title
CN201510225588.5A CN104790326B (en) 2015-04-02 2015-05-06 Energy saving and environmental protection garbage sweeper

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CN104790326A CN104790326A (en) 2015-07-22
CN104790326B true CN104790326B (en) 2016-08-24

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CN201520286199.9U Withdrawn - After Issue CN204626303U (en) 2015-04-02 2015-05-06 Energy saving and environmental protection garbage road-sweeper

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790326B (en) * 2015-04-02 2016-08-24 王天君 Energy saving and environmental protection garbage sweeper
CN105200944A (en) * 2015-09-21 2015-12-30 洛阳德威机电科技有限公司 Lawn dust removal device and method
CN106223240B (en) * 2016-09-29 2018-01-23 江阴宏力工程机械有限公司 Cleaning car
CN106245562B (en) * 2016-09-29 2018-01-23 江阴宏力工程机械有限公司 Manual imitation clearing apparatus
CN106930218A (en) * 2017-04-26 2017-07-07 梁梅芹 A kind of artificial intelligent type residential quarters clearing apparatus
CN106906778A (en) * 2017-04-26 2017-06-30 梁梅芹 A kind of artificial intelligent type residential quarters cleaning method

Citations (7)

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Publication number Priority date Publication date Assignee Title
NL9200276A (en) * 1991-02-18 1992-09-16 Konfoma Ind Bv Sweeper.
CN2153577Y (en) * 1993-05-17 1994-01-19 叶绍圣 Road-sweeper
CN2553006Y (en) * 2002-06-26 2003-05-28 林玉田 Cleaning machine
CN2751066Y (en) * 2004-11-09 2006-01-11 丁永凯 Combined multifunctional environmental protection working vehicle
CN2878491Y (en) * 2006-03-10 2007-03-14 鲁良华 Electric cleaning tricycle
CN101363214A (en) * 2008-09-04 2009-02-11 南昌大学 Hand-push type cleaning vehicle
CN204626303U (en) * 2015-04-02 2015-09-09 王天君 Energy saving and environmental protection garbage road-sweeper

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9200276A (en) * 1991-02-18 1992-09-16 Konfoma Ind Bv Sweeper.
CN2153577Y (en) * 1993-05-17 1994-01-19 叶绍圣 Road-sweeper
CN2553006Y (en) * 2002-06-26 2003-05-28 林玉田 Cleaning machine
CN2751066Y (en) * 2004-11-09 2006-01-11 丁永凯 Combined multifunctional environmental protection working vehicle
CN2878491Y (en) * 2006-03-10 2007-03-14 鲁良华 Electric cleaning tricycle
CN101363214A (en) * 2008-09-04 2009-02-11 南昌大学 Hand-push type cleaning vehicle
CN204626303U (en) * 2015-04-02 2015-09-09 王天君 Energy saving and environmental protection garbage road-sweeper

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CN204626303U (en) 2015-09-09

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