CN101985828B - Garbage sweeper - Google Patents
Garbage sweeper Download PDFInfo
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- CN101985828B CN101985828B CN 201010574525 CN201010574525A CN101985828B CN 101985828 B CN101985828 B CN 101985828B CN 201010574525 CN201010574525 CN 201010574525 CN 201010574525 A CN201010574525 A CN 201010574525A CN 101985828 B CN101985828 B CN 101985828B
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- round brush
- connecting rod
- installing rack
- clearing apparatus
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Abstract
The invention discloses a garbage sweeper, comprising a frame, a sweeping device and a garbage storage tank assembly; wherein the cleaning device is of two-brush rolling type. Garbage is collected by the way that the garbage is thrown out by centrifugal force of the rolling brush and enters into the garbage storage tank by virtue of a garbage guide plate. The invention has the advantages that: structure is reasonable and advanced, operation is easy, cleaning effect is good, and manufacturing cost is relatively low.
Description
Technical field
The present invention relates to a kind of refuse cleaning vehicle, what be specifically related to is that a kind of two brush is to rolling refuse cleaning vehicle.Belong to environmental protection equipment technology and manufacturing industry technology.
Background technology
Refuse cleaning vehicle is owing to having the characteristics such as efficient, laborsaving, and is subject to the popular welcome of urban environment cleaning industry.
What existing refuse cleaning vehicle adopted is the close layout in round brush plane and ground, by the form of structure of dust exhaust apparatus suction rubbish.It is relatively poor that the refuse cleaning vehicle of this prior art exists the ground trafficability characteristic, round brush is easily impaired, the not ideal enough deficiency that waits of ground refuse cleaning effect, the complicated structure of especially described dust exhaust apparatus, and the vehicle power support must be arranged, strengthened battery burden and power consumption, and its cost is also relatively high, maintaining is also cumbersome.
Summary of the invention
The present invention aims to provide a kind of relatively simple for structure, cleans effective refuse cleaning vehicle, to overcome the deficiency of prior art.
The present invention realizes that the conception of the technical scheme of its purpose is, adopt the structure of two brushes to rolling, by 2 round brush to rolling, to be comprised that by the ground refuse that round brush gathers the scraps of paper, shell, dust etc. are promoted making progress in the crack that rolls by described two brushes, and then make described rubbish import the structure of rubbish storage case, abandoning the dust exhaust apparatus of prior art, thereby realize purpose of the present invention.
Based on above-mentioned conception, the present invention realizes that its purpose technical scheme is:
A kind of refuse cleaning vehicle comprises vehicle frame, is connected with vehicle frame and rotatable road wheel assembly, and the clearing apparatus that is connected with vehicle frame and rubbish storage box assembly, its innovative point be,
A, described clearing apparatus comprise installing rack, the cleaning motor that is packed on the installing rack and is electrically connected with vehicle power by electric controller, the first round brush, the second round brush; Described the first round brush and the second round brush cylindrical bristle intersect to be arranged and is rotationally connected with installing rack respectively; The first round brush and the second round brush are in transmission connection by the first transmission component, and both direction of rotation are opposite; 1 round brush in cleaning motor and two round brush is in transmission connection by the second transmission component, and makes the first round brush and the second round brush cylindrical bristle intersection all rotate up;
B, described rubbish storage box assembly comprise 2 rubbish storage casees and 2 rubbish deflectors, and 2 rubbish storage casees lay respectively at the first round brush with the outside of the second round brush and are fixedly connected with installing rack respectively; 2 rubbish deflectors be connected with installing rack respectively and the cylindrical peak of an end of described rubbish deflector and round brush tangent, and its other end is connected mutually with the rubbish storage case;
The cylindrical minimum point of c, described the first round brush and the second round brush is lower than respectively the road wheel cylindrical minimum point of road wheel assembly, is that with in fact existing bristle on the round brush is to the cleaning on ground;
[0007]Consider before the refuse sweeping and refuse sweeping after etc. under the off working state, can make things convenient for motion of the present invention, the present invention has also added the clearing apparatus lifting assembly, under off working state, by described lifting gear, clearing apparatus is upwards promoted, make its 2 round brush built on stilts.So not only the present invention's campaign conveniently and also has positive role for the maintenance of round brush.Described clearing apparatus lifting assembly comprises the Retchet gear type location card article that is connected and arranges in horizontal direction with vehicle frame, manual barre, preposition connecting rod, cross bar, left and right rearmounted connecting rod and 2 isometric suspension connecting rods; Arranged apart and the one end of 2 isometric suspension connecting rods is hinged with the top, two ends of the installing rack of clearing apparatus respectively, and the other end of 2 isometric suspension connecting rods is hinged with vehicle frame respectively; One end of described left and right rearmounted connecting rod is hinged with the front side of the left and right lower end of installing rack of clearing apparatus respectively; The other end of left and right rearmounted connecting rod is connected with the two ends of cross bar respectively; One end of the centre of cross bar and preposition connecting rod is hinged; Preposition connecting rod is hinged by short connecting rod and vehicle frame; The other end of preposition connecting rod is hinged with manual barre; Ratchet bar bar that card article is meshed and straight-bar are unidirectional hingedly to be consisted of described manual barre by locating with Retchet gear type; Pull manual barre and make the installing rack of clearing apparatus be shifted to the left or to the right, under the effect of 2 isometric suspension connecting rods, realize the lifting of described installing rack; Press the ratchet bar bar of manual handle and it is meshed with Retchet gear type location card article, realize the overhead location of height of clearing apparatus.The structure of the lifting align member that wherein said manual barre and Retchet gear type location card article consist of is not limited to this, for example adopts the gear of automobile screens fixation device, perhaps adopts bolt-type positioner etc., all is fine, and its practicality all is good.
Can be understood by above given technical scheme, this technical scheme has specifically been carried out the invention conception, thereby has realized purpose of the present invention.
In technique scheme, described 2 round brush to rolling all are the cylindricals at the integral rolling brush of metal construction or highstrenghtpiston's structure, are laid with that the plastics bristle of certain-length consists of.But be not limited to this.
In above-mentioned purport technical scheme, the first transmission component that described the first round brush and the second round brush are in transmission connection is gear-driven assembly or chain kit; The second transmission component that described cleaning motor and the first round brush or the second round brush are in transmission connection is chain kit or band transmission component.In fact, as long as can finish the transmission component of described the first round brush and the second round brush rotation requirement, all be fine.The present invention advocates that wherein said the first transmission component is 4 gear-driven assemblies.
In order further to reduce sanitationman's labour intensity, the present invention also advocates, also comprises the variable speed electric motors, particularly that is packed on the vehicle frame and is electrically connected with vehicle power by electric controller; Described variable speed electric motors, particularly is connected with the rotating shaft transmission of road wheel assembly with transmission component or chain kit by the 3rd, and realizes the road wheel forward or reverse of road wheel assembly and the adjusting of road wheel velocity of rotation by electric controller.Consist of thus complete motor-driven refuse cleaning vehicle.And do not comprise the present invention of traction drive assembly, then be the Manual hand-push refuse cleaning vehicle.
After technique scheme is implemented in full, the advanced person rational in infrastructure that the present invention has, easy to operate, to clean effectively, the characteristics such as cost is relatively low are apparent.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of the present invention; 7 is the hand push handle shown in the figure;
Fig. 2 is the structure letter meaning diagram of clearing apparatus lifting assembly 5 as shown in Figure 1;
Fig. 3 is the structure letter meaning diagram of clearing apparatus 3 as shown in Figure 1.
The specific embodiment
Below in conjunction with the description of accompanying drawing by the specific embodiment, the invention will be further described.
One of specific embodiment please be joined and be read accompanying drawing 1 ~ 3.
A kind of refuse cleaning vehicle comprises vehicle frame 1, is connected with vehicle frame 1 and rotatable road wheel assembly 2, and the clearing apparatus 3 that is connected with vehicle frame 1 and rubbish storage box assembly 4, and its:
Described clearing apparatus 3 comprises installing rack 3-1, is packed in installing rack 3-1 cleaning motor 3-2 upper and that be electrically connected with vehicle power by electric controller, the first round brush 3-3, the second round brush 3-4; Described the first round brush 3-3 and the second round brush 3-4 cylindrical bristle intersect to be arranged and is rotationally connected with installing rack 3-1 respectively; The first round brush 3-3 and the second round brush 3-4 are in transmission connection by the first transmission component 3-5, and both direction of rotation are opposite; 1 round brush in cleaning motor 3-2 and two round brush is in transmission connection by the second transmission component 3-6, and makes the first round brush 3-3 and the second round brush 3-4 cylindrical bristle intersection all rotate up;
Described rubbish storage box assembly 4 comprises 2 rubbish storage case 4-1 and 2 rubbish deflector 4-2, and 2 rubbish storage case 4-1 lay respectively at the first round brush 3-3 with the outside of the second round brush 3-4 and are fixedly connected with installing rack 3-1 respectively; 2 rubbish deflector 4-2 be connected with installing rack 3-1 respectively and the cylindrical peak of the end of described rubbish deflector 4-2 and round brush 3-3,3-4 tangent, and its other end is connected mutually with rubbish storage case 4-1;
The cylindrical minimum point of described the first round brush 3-3 and the second round brush 3-4 is lower than respectively the road wheel 2-1 cylindrical minimum point of road wheel assembly 2, is that with in fact existing bristle on round brush 3-3, the 3-4 is to the cleaning on ground;
Also comprise clearing apparatus lifting assembly 5; Described clearing apparatus lifting assembly 5 comprises the Retchet gear type location card article 5-1 that is connected and arranges in horizontal direction with vehicle frame 1, manual barre 5-2, preposition connecting rod 5-3, cross bar 5-4, left and right rearmounted connecting rod 5-5 and 2 isometric suspension connecting rod 5-6; Arranged apart and the one end of 2 isometric suspension connecting rod 5-6 is hinged with the top, two ends of the installing rack 3-1 of clearing apparatus 3 respectively, and the other end of 2 isometric suspension connecting rod 5-6 is hinged with vehicle frame 1 respectively; The end of described left and right rearmounted connecting rod 5-5 is hinged with the front side of the left and right lower end of installing rack 3-1 of clearing apparatus 3 respectively; The other end of left and right rearmounted connecting rod 5-5 is connected with the two ends of cross bar 5-4 respectively; The end of the centre of cross bar 5-4 and preposition connecting rod 5-3 is hinged; Preposition connecting rod 5-3 is hinged by short connecting rod 5-7 and vehicle frame 1; The other end of preposition connecting rod 5-3 is hinged with manual barre 5-2; Ratchet bar bar 5-2-1 that card article 5-1 is meshed and straight-bar 5-2-2 are unidirectional hingedly to be consisted of described manual barre 5-2 by locating with Retchet gear type; Pull manual barre 5-2 and make the installing rack 3-1 of clearing apparatus 3 be shifted to the left or to the right, under the effect of 2 isometric suspension connecting rod 5-6, realize the lifting of described installing rack 3-1; Press the ratchet bar bar 5-2-1 of manual handle 5-2 and it is meshed with Retchet gear type location card article 5-1, realize the overhead location of height of clearing apparatus 3.
The first transmission component 3-5 that described the first round brush 3-3 and the second round brush 3-4 are in transmission connection is 4 gear-driven assemblies; The second transmission component 3-6 that described cleaning motor 3-2 and the first round brush 3-3 are in transmission connection is the band transmission component.
Two of the specific embodiment is shown in accompanying drawing 1 ~ 3.
A kind of refuse cleaning vehicle comprises vehicle frame 1, is connected with vehicle frame 1 and rotatable road wheel assembly 2, and the clearing apparatus 3 that is connected with vehicle frame 1 and rubbish storage box assembly 4, and its:
Described clearing apparatus 3 comprises installing rack 3-1, is packed in installing rack 3-1 cleaning motor 3-2 upper and that be electrically connected with vehicle power by electric controller, the first round brush 3-3, the second round brush 3-4; Described the first round brush 3-3 and the second round brush 3-4 cylindrical bristle intersect to be arranged and is rotationally connected with installing rack 3-1 respectively; The first round brush 3-3 and the second round brush 3-4 are in transmission connection by the first transmission component 3-5, and both direction of rotation are opposite; 1 round brush in cleaning motor 3-2 and two round brush is in transmission connection by the second transmission component 3-6, and makes the first round brush 3-3 and the second round brush 3-4 cylindrical bristle intersection all rotate up;
Described rubbish storage box assembly 4 comprises 2 rubbish storage case 4-1 and 2 rubbish deflector 4-2, and 2 rubbish storage case 4-1 lay respectively at the first round brush 3-3 with the outside of the second round brush 3-4 and are fixedly connected with installing rack 3-1 respectively; 2 rubbish deflector 4-2 be connected with installing rack 3-1 respectively and the cylindrical peak of the end of described rubbish deflector 4-2 and round brush 3-3,3-4 tangent, and its other end is connected mutually with rubbish storage case 4-1;
The cylindrical minimum point of described the first round brush 3-3 and the second round brush 3-4 is lower than respectively the road wheel 2-1 cylindrical minimum point of road wheel assembly 2, is that with in fact existing bristle on round brush 3-3, the 3-4 is to the cleaning on ground;
Also comprise clearing apparatus lifting assembly 5; Described clearing apparatus lifting assembly 5 comprises the Retchet gear type location card article 5-1 that is connected and arranges in horizontal direction with vehicle frame 1, manual barre 5-2, preposition connecting rod 5-3, cross bar 5-4, left and right rearmounted connecting rod 5-5 and 2 isometric suspension connecting rod 5-6; Arranged apart and the one end of 2 isometric suspension connecting rod 5-6 is hinged with the top, two ends of the installing rack 3-1 of clearing apparatus 3 respectively, and the other end of 2 isometric suspension connecting rod 5-6 is hinged with vehicle frame 1 respectively; The end of described left and right rearmounted connecting rod 5-5 is hinged with the front side of the left and right lower end of installing rack 3-1 of clearing apparatus 3 respectively; The other end of left and right rearmounted connecting rod 5-5 is connected with the two ends of cross bar 5-4 respectively; The end of the centre of cross bar 5-4 and preposition connecting rod 5-3 is hinged; Preposition connecting rod 5-3 is hinged by short connecting rod 5-7 and vehicle frame 1; The other end of preposition connecting rod 5-3 is hinged with manual barre 5-2; Ratchet bar bar 5-2-1 that card article 5-1 is meshed and straight-bar 5-2-2 are unidirectional hingedly to be consisted of described manual barre 5-2 by locating with Retchet gear type; Pull manual barre 5-2 and make the installing rack 3-1 of clearing apparatus 3 be shifted to the left or to the right, under the effect of 2 isometric suspension connecting rod 5-6, realize the lifting of described installing rack 3-1; Press the ratchet bar bar 5-2-1 of manual handle 5-2 and it is meshed with Retchet gear type location card article 5-1, realize the overhead location of height of clearing apparatus 3.
The first transmission component 3-5 that described the first round brush 3-3 and the second round brush 3-4 are in transmission connection is 4 gear-driven assemblies; The second transmission component 3-6 that described cleaning motor 3-2 and the first round brush 3-3 or the second round brush 3-4 are in transmission connection is chain kit.
Also comprise the variable speed electric motors, particularly 6 that is packed on the vehicle frame 1 and is electrically connected with vehicle power by electric controller; Described variable speed electric motors, particularly 6 is in transmission connection by the rotating shaft 2-2 of the 3rd transmission component-chain kit 6-1 and road wheel assembly 2, and realizes the road wheel 2-1 forward or reverse of road wheel assembly 2 and turn soon or the rotational speed regulation of slow-speed by electric controller.
The length of the vehicle frame 1 that the above specific embodiment is comparatively suitable is about 1.5m, about the width 0.8 ~ 1.0m of vehicle frame 1.Such physical dimension is particularly suitable for the cleaning of townsfolk residential quarter road.And on the urban public transport road employed described physical dimension of the present invention, can be decided according to the actual requirements.For example the length of vehicle frame 1 is 2.5m, and its width is 1.5mm etc., to adapt to large-area refuse sweeping and Effective Raise sweeping efficiency.Described road wheel assembly 2 is 4 wheeled or 3 running on wheels wheel assemblies.Described vehicle power is the storage battery assembly.
Should be noted that, if traction drive motor (road wheel is the hub motor type road wheel) and roller brush transmission electric machine all adopt the wheel hub motor (each round brush is respectively by 1 In-wheel motor driving) as electric bicycle, the present invention not only can save described first, second the 3rd transmission component so, and can realize speed governing by electric controller, so that structure of the present invention is more advanced rationally, on-the-spot use is also convenient, laborsaving.
Rubbish storage box assembly 4 of the present invention is drawer type garbage storage bin assemblies, to make things convenient for garbage-cleaning.
The scope of application of the present invention is not subjected to the restriction of this declarative description, and it is equally applicable to factory floor, the refuse sweeping of warehouse and harbour.
The trial effect of first sample of the present invention is well, and its manufacturing cost saves 20 ~ 30% than existing plane cleaning vacuum pumping-type refuse cleaning vehicle; Complete motor-driven labor strength of the present invention is no better than " 0 "; The floor cleaning clean level makes us very good, especially at the scene in the cleaning process, because the present invention is two brushes to rolling clipping cleaning, thereby can not produce especially flying upward of the scraps of paper of rubbish, has obtained obvious effect.
Claims (3)
1. a refuse cleaning vehicle comprises vehicle frame (1), is connected and rotatable road wheel assembly (2) with vehicle frame (1), and the clearing apparatus (3) that is connected with vehicle frame (1) and rubbish storage box assembly (4) is characterized in that,
A, described clearing apparatus (3) comprise installing rack (3-1), are packed in installing rack (3-1) cleaning motor (3-2) upper and that be electrically connected with vehicle power by electric controller, the first round brush (3-3), the second round brush (3-4); Described the first round brush (3-3) intersects with both cylindrical bristles of the second round brush (3-4) to be arranged and is rotationally connected with installing rack (3-1) respectively; The first round brush (3-3) is in transmission connection by the first transmission component (3-5) with the second round brush (3-4), and both direction of rotation are opposite; Cleaning motor (3-2) is in transmission connection by the second transmission component (3-6) with 1 round brush in two round brush, and makes the first round brush (3-3) and both cylindrical bristle intersections of the second round brush (3-4) all rotate up;
B, described rubbish storage box assembly (4), comprise 2 rubbish storage casees (4-1) and 2 rubbish deflectors (4-2), 2 rubbish storage casees (4-1) lay respectively at the first round brush (3-3) with the outside of the second round brush (3-4) and are fixedly connected with installing rack (3-1) respectively; 2 rubbish deflectors (4-2) be connected with installing rack (3-1) respectively and the cylindrical peak of an end of described rubbish deflector (4-2) and round brush (3-3,3-4) tangent, and its other end is connected mutually with rubbish storage case (4-1);
The cylindrical minimum point of c, described the first round brush (3-3) and the second round brush (3-4) is lower than respectively road wheel (2-1) the cylindrical minimum point of road wheel assembly (2), is that with in fact existing bristle on the round brush (3-3,3-4) is to the cleaning on ground;
D, also comprise clearing apparatus lifting assembly (5); Described clearing apparatus lifting assembly (5) comprises the Retchet gear type location card article (5-1) that is connected and arranges in horizontal direction with vehicle frame (1), manual barre (5-2), preposition connecting rod (5-3), cross bar (5-4), left and right rearmounted connecting rod (5-5) and 2 isometric suspension connecting rods (5-6); Arranged apart and the one end of 2 isometric suspension connecting rods (5-6) is hinged with the top, two ends of the installing rack (3-1) of clearing apparatus (3) respectively, and the other end of 2 isometric suspension connecting rods (5-6) is hinged with vehicle frame (1) respectively; One end of described left and right rearmounted connecting rod (5-5) is hinged with the front side of the left and right lower end of installing rack (3-1) of clearing apparatus (3) respectively; The other end of left and right rearmounted connecting rod (5-5) is connected with the two ends of cross bar (5-4) respectively; One end of the centre of cross bar (5-4) and preposition connecting rod (5-3) is hinged; Preposition connecting rod (5-3) is hinged by short connecting rod (5-7) and vehicle frame (1); The other end of preposition connecting rod (5-3) is hinged with manual barre (5-2); Described manual barre (5-2) is by locating ratchet bar bar (5-2-1) and the unidirectional hinged formation of straight-bar (5-2-2) that card article (5-1) is meshed with Retchet gear type; Pull manual barre (5-2) and make the installing rack (3-1) of clearing apparatus (3) be shifted to the left or to the right, under the effect of 2 isometric suspension connecting rods (5-6), realize the lifting of described installing rack (3-1); Press the ratchet bar bar (5-2-1) of manual barre (5-2) and it is meshed with Retchet gear type location card article (5-1), realize the overhead location of height of clearing apparatus (3).
2. refuse cleaning vehicle according to claim 1 is characterized in that, described the first round brush (3-3) is gear-driven assembly or chain kit with the first transmission component (3-5) that the second round brush (3-4) is in transmission connection; Described cleaning motor (3-2) is chain kit or band transmission component with the second transmission component (3-6) that the first round brush (3-3) or the second round brush (3-4) are in transmission connection.
3. refuse cleaning vehicle according to claim 1 and 2 is characterized in that, also comprises being packed in vehicle frame (1) variable speed electric motors, particularly (6) upper and that be electrically connected with vehicle power by electric controller; Described variable speed electric motors, particularly (6) is in transmission connection by the rotating shaft (2-2) of the 3rd band transmission component or chain kit (6-1) and road wheel assembly (2), and realizes road wheel (2-1) forward or reverse of road wheel assembly (2) and the adjusting of road wheel (2-1) rotating speed by electric controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010574525 CN101985828B (en) | 2010-12-06 | 2010-12-06 | Garbage sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010574525 CN101985828B (en) | 2010-12-06 | 2010-12-06 | Garbage sweeper |
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| Publication Number | Publication Date |
|---|---|
| CN101985828A CN101985828A (en) | 2011-03-16 |
| CN101985828B true CN101985828B (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010574525 Expired - Fee Related CN101985828B (en) | 2010-12-06 | 2010-12-06 | Garbage sweeper |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098608A (en) * | 2011-11-11 | 2013-05-15 | 山东科技职业学院 | Road sweeper assembled on wheat combined harvester |
| CN102392427A (en) * | 2011-11-14 | 2012-03-28 | 烟台海德专用汽车有限公司 | Refuse collector for sweeping machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595869Y (en) * | 2002-12-30 | 2003-12-31 | 刘金铎 | Bicycle type automatic ground sweeping vehicle |
| US20040045117A1 (en) * | 2002-09-06 | 2004-03-11 | Alowonle Musibau O. | Power management system for street sweeper |
| FR2850683A1 (en) * | 2003-02-04 | 2004-08-06 | Cima Sarl | Earth sweeping device for lifting forks of handling engine, has rotating brush sweeping earth to collect waste in rolling case having opening unit to receive waste in closed position and to evacuate by gravity in open position |
| CN2769340Y (en) * | 2005-02-27 | 2006-04-05 | 岳从林 | Environment protection road electric cleaning vehicle |
| CN2937241Y (en) * | 2006-08-18 | 2007-08-22 | 重庆工商大学 | Small multifunction road sweeper |
| CN201224874Y (en) * | 2008-06-06 | 2009-04-22 | 杜建兴 | Three-wheel solar road sweeper |
-
2010
- 2010-12-06 CN CN 201010574525 patent/CN101985828B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040045117A1 (en) * | 2002-09-06 | 2004-03-11 | Alowonle Musibau O. | Power management system for street sweeper |
| CN2595869Y (en) * | 2002-12-30 | 2003-12-31 | 刘金铎 | Bicycle type automatic ground sweeping vehicle |
| FR2850683A1 (en) * | 2003-02-04 | 2004-08-06 | Cima Sarl | Earth sweeping device for lifting forks of handling engine, has rotating brush sweeping earth to collect waste in rolling case having opening unit to receive waste in closed position and to evacuate by gravity in open position |
| CN2769340Y (en) * | 2005-02-27 | 2006-04-05 | 岳从林 | Environment protection road electric cleaning vehicle |
| CN2937241Y (en) * | 2006-08-18 | 2007-08-22 | 重庆工商大学 | Small multifunction road sweeper |
| CN201224874Y (en) * | 2008-06-06 | 2009-04-22 | 杜建兴 | Three-wheel solar road sweeper |
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| CN101985828A (en) | 2011-03-16 |
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