CN113550253A - Power-assisted cleaning vehicle - Google Patents
Power-assisted cleaning vehicle Download PDFInfo
- Publication number
- CN113550253A CN113550253A CN202110857342.5A CN202110857342A CN113550253A CN 113550253 A CN113550253 A CN 113550253A CN 202110857342 A CN202110857342 A CN 202110857342A CN 113550253 A CN113550253 A CN 113550253A
- Authority
- CN
- China
- Prior art keywords
- chain wheel
- cleaning
- power
- wheel
- cleaning vehicle
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 91
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 23
- 230000009347 mechanical transmission Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000010408 sweeping Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 4
- 241001417527 Pempheridae Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/04—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/04—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
- E01H1/045—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading the loading means being a rotating brush with horizontal axis
Abstract
The invention discloses a power-assisted cleaning vehicle which comprises a supporting system, a mechanical transmission system and a sweeping system, wherein the supporting system is arranged on the supporting system; the supporting system comprises a bracket and a handle; the mechanical transmission system comprises a first chain wheel, a second chain wheel and a third chain wheel, the first chain wheel is fixed on a central shaft of the rear wheel, the second chain wheel comprises a large chain wheel and a small chain wheel, and the small chain wheel is in chain transmission with the first chain wheel; the third chain wheel is in chain transmission with the big chain wheel; the cleaning system comprises a roller, a cleaning brush and a containing box, wherein the roller is rotatably arranged on the support, one end of the roller is fixedly connected with a central shaft of the third chain wheel, the cleaning brush is distributed on the periphery of the roller, and the containing box is detachably arranged on the support and is positioned between the roller and the tail end of the support. The power-assisted cleaning vehicle disclosed by the invention is pushed to move forwards by means of smaller manpower, so that the function of cleaning road surface garbage is achieved; meanwhile, the product has the advantages of strong practicability, less labor demand, material saving, high working efficiency, environmental protection, great satisfaction of the current market and excellent development prospect.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a power-assisted cleaning vehicle.
Background
At present, with the continuous expansion of urban roads, the scale of urbanization is continuously enlarged, the increase of people flow and traffic flow, the road garbage is more and more, and the occurrence frequency is faster and faster.
However, although the country increases the attention to the sanitation problem, the bearing capacity of the sanitation worker for cleaning by manpower can not meet the operation requirement of cleaning in cities. In more cities in China, the cleaning machine is not advanced, and manual cleaning is still adopted. Therefore, the operation intensity of sanitation workers is reduced, the safety risk is reduced, the sanitation operation efficiency and quality are improved, and the mechanized cleaning operation range is expanded.
Therefore, the technical personnel in the field need to solve the problem of how to provide a power-assisted cleaning vehicle which is convenient to operate, high in cleaning efficiency, good in dust removal effect and healthy and friendly to operators.
Disclosure of Invention
In view of the above, the invention provides a power-assisted cleaning vehicle which is pushed to move forward only by small manpower, achieves the function of cleaning road surface garbage, has strong practicability, less labor force requirement, material saving, high working efficiency, environmental protection, greatly meets the current market, and has a good development prospect.
In order to achieve the purpose, the invention adopts the following technical scheme: a power-assisted cleaning vehicle comprises a supporting system, a mechanical transmission system and a sweeping system; the supporting system comprises a bracket and a handle, wherein front wheels and rear wheels are respectively arranged at the bottoms of the front end and the rear end of the bracket, and the handle is fixedly connected to one end of the bracket; the mechanical transmission system comprises a first chain wheel, a second chain wheel and a third chain wheel, the first chain wheel is fixed on a central shaft of the rear wheel, the second chain wheel is rotatably arranged on the bracket and comprises a large chain wheel and a small chain wheel, and the small chain wheel is in chain transmission with the first chain wheel; the third chain wheel is in chain transmission with the large chain wheel; the cleaning system comprises a roller, a cleaning brush and a containing box, wherein the roller is rotatably arranged on the support, one end of the roller is fixedly connected with a central shaft of the third chain wheel, the cleaning brush is distributed on the periphery of the roller, and the containing box is detachably arranged on the support and is positioned between the roller and the tail end of the support.
The power-assisted cleaning vehicle disclosed by the invention does not need energy drive, and is pushed to move forwards only by means of smaller manpower, so that the function of cleaning road surface garbage is achieved; meanwhile, the product has the advantages of strong practicability, less labor demand, material saving, high working efficiency, environmental protection, great satisfaction of the current market and excellent development prospect.
Preferably, the front wheel is provided with a scraper brush, and the scraper brush is obliquely arranged and used for collecting the garbage to the center.
Adopt above-mentioned technical scheme's beneficial effect is, the scraper brush can concentrate rubbish, and the cylinder cleaning brush at its rear of rethread sweeps into the containing box at rear with rubbish on the road surface.
Preferably, the centers of the front wheel and the rear wheel are respectively provided with a ratchet wheel.
The beneficial effect who adopts above-mentioned technical scheme is that, the installation of ratchet makes the motor sweeper only can one-way transmission, and wheel sprocket does not rotate when backward moving.
Preferably, the cleaning brushes have five parts uniformly distributed on the periphery of the drum.
Adopt above-mentioned technical scheme's beneficial effect is, when the cylinder is rotatory, the cleaning brush will rotate in turn, ensures clean quality.
Preferably, the cleaning brush is made of bristles, the effective length of the bristles is at least 5 cm, and the interference with the bottom surface is 2.5 cm.
Adopt above-mentioned technical scheme's beneficial effect is, can produce bigger pressure and produce bigger frictional force to ensure to clean rubbish well.
Preferably, the bottom of the cleaning brush has a trapezoidal belt, the outer circumference of the drum has a trapezoidal groove, and the trapezoidal belt is installed in the trapezoidal groove.
Adopt above-mentioned technical scheme's beneficial effect to guarantee that the during operation can not become flexible, also brought very big convenience for the change of cleaning brush simultaneously.
Preferably, the front wheels are universal wheels and are used for steering.
Adopt above-mentioned technical scheme's beneficial effect to be, make things convenient for the worker to control the advancing direction of whole cleaning cart.
According to the technical scheme, compared with the prior art, the power-assisted cleaning vehicle disclosed by the invention has the advantages that when the cleaning vehicle is pushed by a hand, the power-assisted cleaning vehicle acts like a hand push wheelchair, the scraping brush concentrates garbage on the ground along with the advancing of the cleaning vehicle, at the moment, the roller type cleaning brush is in contact with the ground, the main wheel drives the roller type cleaning brush to rotate rapidly, and the concentrated garbage is swept into the containing box, so that the aim of cleaning roads is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power-assisted cleaning vehicle provided by the invention.
Fig. 2 is a schematic structural diagram of a mechanical transmission system of the power-assisted cleaning vehicle provided by the invention.
Figure 3 is a side view of the power-assisted vehicle of the present invention.
Wherein the reference symbols are:
1-a support system, 2-a mechanical transmission system, 3-a cleaning system, 4-a front wheel, 5-a rear wheel and 6-a scraper brush; 11-bracket, 12-handle, 21-first chain wheel, 22-second chain wheel, 23-third chain wheel, 221-big chain wheel, 222-small chain wheel, 31-roller, 32-cleaning brush, 33-containing box and 34-trapezoidal belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the embodiment of the invention discloses a power-assisted cleaning vehicle, which comprises a supporting system 1, a mechanical transmission system 2 and a sweeping system 3; the supporting system 1 comprises a bracket 11 and a handle 12, wherein the front wheel 4 and the rear wheel 5 are respectively arranged at the bottoms of the front end and the rear end of the bracket 11, and the handle 12 is fixedly connected with one end of the bracket 11; the mechanical transmission system 2 comprises a first chain wheel 21, a second chain wheel 22 and a third chain wheel 23, the first chain wheel 32 is fixed on the central shaft of the rear wheel 5, the second chain wheel 22 is rotatably arranged on the bracket 11 and comprises a large chain wheel 221 and a small chain wheel 222, and the small chain wheel 222 is in chain transmission with the first chain wheel 21; the third chain wheel 23 is driven by the chain of the large chain wheel 221; the sweeping system 3 comprises a roller 31, a cleaning brush 32 and a storage box 33, wherein the roller 31 is rotatably mounted on the bracket 11, one end of the roller is fixedly connected with the central shaft of the third chain wheel 23, the cleaning brush 32 is distributed on the periphery of the roller 31, and the storage box 33 is detachably mounted on the bracket 11 and is located between the roller 31 and the tail end of the bracket 11.
The power-assisted cleaning vehicle disclosed by the embodiment of the invention does not need energy drive, only pushes the vehicle to move forwards by using smaller manpower, and the rotating wheels are used as power sources when the vehicle is pushed to move forwards, so that the function of cleaning road surface garbage is achieved; the two-stage differential speed is completed by adopting the parallel chain wheel, so that the speed increasing adjustment of driving the small teeth by the large teeth is realized, the rear wheel of the sweeper is a driving part, and when the handle is pushed, the rear wheel is connected with the gear through the chain to drive the front shaft to rotate at a high speed, so that the roller type cleaning brush is driven to act; the practicality is strong, and the labour demand is few, material saving, and work efficiency is high, and green has greatly satisfied current market, has fabulous development prospect.
In order to further optimize the technical scheme, the front wheel 4 is provided with the scraper brush 6, and the scraper brush 6 is obliquely arranged and used for collecting the garbage to the center. The scraper brush 6 can concentrate the rubbish, and the cylinder cleaning brush at the rear of the scraper brush sweeps the rubbish on the road surface into the storage box at the rear of the scraper brush.
In order to further optimize the above technical solution, the front wheel 4 and the rear wheel 5 are equipped with ratchets in the center. The ratchet wheel is installed, so that the sweeper can only drive in one direction, and the wheel chain wheel does not rotate.
In order to further optimize the above technical solution, the cleaning brushes 32 have five, which are uniformly distributed on the outer circumference of the drum 31. When the roller rotates, the cleaning brush rotates alternately to ensure the cleaning quality.
In order to further optimize the solution described above, the cleaning brush 32 is made of bristles having an effective length of at least 5 cm and an interference with the bottom surface of 2.5 cm. Greater pressure and friction can be generated to ensure good cleaning of the waste.
In order to further optimize the above technical solution, the bottom of the cleaning brush 32 has a trapezoidal belt 34, the outer circumference of the drum 31 has a trapezoidal groove, and the trapezoidal belt 34 is installed in the trapezoidal groove. So as to ensure that the cleaning brush can not loosen during working and bring great convenience for the replacement of the cleaning brush.
In order to further optimize the technical scheme, the front wheels 4 are universal wheels and are used for steering, so that a worker can conveniently control the traveling direction of the whole cleaning vehicle.
1) Traveling speed: the average speed of human walking is 0.8m/s, so v is 0.8m/s, the diameter of the rear wheel is 0.5m, so d is 0.5m, and the formula is used
n＝v/(πd)
It can be seen that the rear wheel has a speed of 0.51rad/s, i.e. 30.6 revolutions per minute, whereas the drum has to reach 100 revolutions per minute for optimum performance, so that the transmission ratio i is 30.6: 1-100: 3.2.
2) vehicle body size: the length of the vehicle body is 1 meter, the width is 0.8 meter, and the height is 0.75 meter, so that the design can meet the actual requirement and make the whole vehicle compact.
3) The garbage can be treated: the average thickness of fallen leaves and paper is about 0.2 mm; all kinds ofThe average thickness of the package is approximately: 0.2-2 mm; the diameter of the cigarette end is 8mm, and the length is 30 mm; the thickness of each type of fruit peel is approximately: 1-20 mm; the volume of the smaller sundries is about 1cm3(ii) a The weight of the general road garbage is mostly within 100 g.
The principle of the accelerating chain wheel type design is adopted, the two-stage differential speed is completed by utilizing the parallel chain wheel, so that the accelerating adjustment that the big teeth drive the small teeth is realized, the rear wheel of the cleaning vehicle is a driving power piece, and when the handrail is pushed, the rear wheel is connected with the gear through the chain to drive the front shaft to rotate at a high speed, so that the cleaning brush on the roller is driven to move. When the machine is pushed to move, the wheel provides power, and a simple two-stage speed increasing device is formed by four crankshafts, so that the speed of the wheel is increased by about 1: 2.6, the cleaning brush rotates fast, and the cylindrical sweeping brush rotating fast sweeps the garbage into the storage box. And the two scraping brushes with a certain bevel angle at the front end can concentrate scattered garbage, so that the sweeping brushes can clean effectively. The bending design of the handrail part ensures that the cleaner is more comfortable when working. The movable design of containing box, the staff's of being convenient for operation need not bow to sweep rubbish, makes work follow frequently to become simplely.
The main function of the power-assisted cleaning vehicle is to clean garbage, when the hand-pushed cleaning vehicle works, the power-assisted cleaning vehicle acts like a hand-pushed wheelchair, and the garbage is collected on the ground by the scraper brush 6 along with the forward movement of the cleaning vehicle. At this time, the roller type cleaning brush is in contact with the ground, the main wheel drives the roller type cleaning brush 32 to rotate rapidly, and the collected garbage is swept into the pull-out type storage box 33, so that the purpose of cleaning the road is achieved. As shown in figure 3, after cleaning, when the operator presses the handle, the handle is given a downward force F by the lever principle, the front wheel is lifted by a certain height h under the action of the force F by taking the rear wheel 5 as a fulcrum, the roller type cleaning brush 32 is separated from the ground, and when the cleaning vehicle continues to move forward, the roller type cleaning brush idles, so that the vehicle can flexibly move and easily avoid obstacles. Meanwhile, the universal wheels are arranged, so that an operator can easily finish moving the power-assisted cleaning vehicle. Or the power-assisted cleaning vehicle can be pulled backwards, the ratchet wheel can play the role of the power-assisted cleaning vehicle, so that the roller type cleaning brush 32 is separated from and connected with the main wheel, and the power-assisted cleaning vehicle can be easily moved. Finally, the cleaned waste is dumped into a waste collection point via the receptacle 33. The whole process does not need to consume any fuel, does not cause secondary pollution, is simple to operate and has wide practicability.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A power-assisted cleaning vehicle is characterized by comprising a supporting system (1), a mechanical transmission system (2) and a sweeping system (3);
the supporting system (1) comprises a support (11) and a handle (12), wherein front wheels (4) and rear wheels (5) are respectively mounted at the bottoms of the front end and the rear end of the support (11), and the handle (12) is fixedly connected to one end of the support (11);
the mechanical transmission system (2) comprises a first chain wheel (21), a second chain wheel (22) and a third chain wheel (23), the first chain wheel (32) is fixed on the central shaft of the rear wheel (5), the second chain wheel (22) is rotatably installed on the bracket (11) and comprises a large chain wheel (221) and a small chain wheel (222), and the small chain wheel (222) is in chain transmission with the first chain wheel (21); the third chain wheel (23) is in chain transmission with the large chain wheel (221);
cleaning system (3) include cylinder (31), cleaning brush (32) and containing box (33), cylinder (31) rotate install in on support (11), and its one end with the center pin fixed connection of third sprocket (23), cleaning brush (32) distribute in the periphery of cylinder (31), containing box (33) demountable installation in on support (11), and be located cylinder (31) with between support (11) the tail end.
2. A power-assisted cleaning vehicle according to claim 1, characterized in that the front wheel (4) is provided with a scraper brush (6), and the scraper brush (6) is arranged obliquely for gathering the garbage to the center.
3. A power-assisted cleaning vehicle according to claim 1, characterised in that the front wheels (4) and the rear wheels (5) are each centrally ratcheted.
4. A power-assisted cleaning vehicle according to claim 1, characterized in that the cleaning brushes (32) have five, evenly distributed, outer circumference of the drum (31).
5. A powered cleaning vehicle as claimed in claim 4, characterised in that the cleaning brush (32) is formed from bristles having an effective length of at least 5 cm and an interference with the floor of 2.5 cm.
6. A power-assisted cleaning vehicle according to claim 4, characterized in that the bottom of the cleaning brush (32) has a trapezoidal belt (34), the periphery of the drum (31) has a trapezoidal groove, and the trapezoidal belt (34) is mounted in the trapezoidal groove.
7. A power-assisted cleaning vehicle according to claim 1, characterized in that the front wheels (4) are universal wheels for steering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857342.5A CN113550253A (en) | 2021-07-28 | 2021-07-28 | Power-assisted cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857342.5A CN113550253A (en) | 2021-07-28 | 2021-07-28 | Power-assisted cleaning vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113550253A true CN113550253A (en) | 2021-10-26 |
Family
ID=78133093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110857342.5A Pending CN113550253A (en) | 2021-07-28 | 2021-07-28 | Power-assisted cleaning vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113550253A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB106105A (en) * | 1916-09-07 | 1917-05-17 | Sam Nutter | Improvements in Apparatus for Removing Leaves, Twigs and like Refuse from Lawns, Garden Paths and similar Places. |
| CH564128A5 (en) * | 1974-03-28 | 1975-07-15 | Mudrak Joseph | Pedestrian operated sweeping machine for smaller areas - has chain operated rotating brush drum and attachment tray |
| CN2835074Y (en) * | 2005-06-13 | 2006-11-08 | 詹富生 | Two-step-drive acceleration chain wheel |
| CN206359933U (en) * | 2016-12-29 | 2017-07-28 | 三峡大学 | A kind of hand-push type ground sweeper |
| CN206570740U (en) * | 2017-02-28 | 2017-10-20 | 冯天时 | A kind of Handpush rubbish sweeper |
| CN109457646A (en) * | 2019-01-09 | 2019-03-12 | 安徽理工大学 | A kind of environment protection pavement cleaning vehicle |
| CN211228299U (en) * | 2019-10-26 | 2020-08-11 | 界首市龙之源环境工程有限公司 | Ornamental trees and shrubs fallen leaves collection device |
-
2021
- 2021-07-28 CN CN202110857342.5A patent/CN113550253A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB106105A (en) * | 1916-09-07 | 1917-05-17 | Sam Nutter | Improvements in Apparatus for Removing Leaves, Twigs and like Refuse from Lawns, Garden Paths and similar Places. |
| CH564128A5 (en) * | 1974-03-28 | 1975-07-15 | Mudrak Joseph | Pedestrian operated sweeping machine for smaller areas - has chain operated rotating brush drum and attachment tray |
| CN2835074Y (en) * | 2005-06-13 | 2006-11-08 | 詹富生 | Two-step-drive acceleration chain wheel |
| CN206359933U (en) * | 2016-12-29 | 2017-07-28 | 三峡大学 | A kind of hand-push type ground sweeper |
| CN206570740U (en) * | 2017-02-28 | 2017-10-20 | 冯天时 | A kind of Handpush rubbish sweeper |
| CN109457646A (en) * | 2019-01-09 | 2019-03-12 | 安徽理工大学 | A kind of environment protection pavement cleaning vehicle |
| CN211228299U (en) * | 2019-10-26 | 2020-08-11 | 界首市龙之源环境工程有限公司 | Ornamental trees and shrubs fallen leaves collection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200999333Y (en) | Clearing apparatus of cleaning machine | |
| CN210712687U (en) | Multifunctional floor cleaner | |
| CN104224059B (en) | A kind of indoor near-earth dedusting cleaning device | |
| CN201343714Y (en) | Small ground sweeping vehicle | |
| CN206289571U (en) | A kind of leaf and light refuse cleaner | |
| CN210151637U (en) | Hand-push type sweeper | |
| CN202787144U (en) | One-arm hand-push type sweeper | |
| CN208830238U (en) | A kind of double rolling brush cleaning devices | |
| CN113550253A (en) | Power-assisted cleaning vehicle | |
| CN111493758A (en) | Mopping machine capable of automatically cleaning composite mopping zone during walking | |
| CN201343710Y (en) | Multifunctional sanitation sweeper | |
| CN102677614A (en) | Efficient pure-sweeping-type electric road sweeper | |
| CN212175632U (en) | Fallen leaf cleaning trolley | |
| CN105507189A (en) | Pavement sweeper | |
| CN214143479U (en) | Highway cleans rubbish recovery unit | |
| CN2165158Y (en) | Road-sweeper | |
| CN210842861U (en) | Dust-free cleaner | |
| CN207846311U (en) | The belt gear rotational structure of sweeper | |
| CN2838515Y (en) | Hand pushing automatic cleaning cart | |
| CN2461952Y (en) | Caterpillar sanitary car | |
| CN202688929U (en) | High-efficiency pure sweep-type electric sweeping car | |
| CN220868091U (en) | Improved fallen leaf cleaning machine | |
| CN106592480B (en) | A kind of zigzag road sweeper | |
| CN219763233U (en) | Floor sweeping machine with brush | |
| CN2711228Y (en) | Road sweeping vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211026 |