CN111074822B - Light-heavy separation energy-saving cleaning system - Google Patents
Light-heavy separation energy-saving cleaning system Download PDFInfo
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- CN111074822B CN111074822B CN201911424164.6A CN201911424164A CN111074822B CN 111074822 B CN111074822 B CN 111074822B CN 201911424164 A CN201911424164 A CN 201911424164A CN 111074822 B CN111074822 B CN 111074822B
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- suction
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- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 238000000926 separation method Methods 0.000 title claims abstract description 17
- 238000010408 sweeping Methods 0.000 claims abstract description 74
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 72
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 230000007306 turnover Effects 0.000 claims description 9
- 238000005201 scrubbing Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 235000013358 Solanum torvum Nutrition 0.000 description 9
- 240000002072 Solanum torvum Species 0.000 description 9
- 239000000428 dust Substances 0.000 description 7
- 238000004134 energy conservation Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 241001417527 Pempheridae Species 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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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
- E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
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- 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
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a light-heavy separation energy-saving sweeping system which comprises a suction sweeping device, a heavy garbage storage box arranged at the front end of the suction sweeping device, side brushes arranged at two sides of the suction sweeping device, and an air suction opening arranged at the upper end of the suction sweeping device, wherein the suction sweeping device is arranged at the front end of the suction sweeping device; the sucking and sweeping device comprises a sucking and sweeping disc and a rolling brush arranged in the sucking and sweeping disc; the side brush comprises an inner brush and an inner brush shield arranged outside the inner brush, and when the side brush is in an open state, the inner brush part is positioned below the suction and sweeping device; one end of the inner brush shield is attached to or close to the front end of the suction and sweeping device, and the other end of the inner brush shield is attached to the side wall of the suction and sweeping device through the outer edge plate of the shield; according to the system, the structural arrangement improvement of separating and recycling the light garbage and the heavy garbage is adopted, so that the suction force of a fan with unit cleaning width is reduced, the energy consumption of the fan is reduced, and the purposes of saving energy and reducing emission are achieved; secondly, the light garbage is smashed by the fan and then enters the light garbage storage box, so that the light garbage is high in density, easy to store and easy to subsequently treat.
Description
Technical Field
The invention relates to the technical field of sanitation sweeper trucks, in particular to a light-weight separation energy-saving sweeping system.
Background
China's economy is rapidly increased, each item of construction obtains huge achievements, but also pays huge resources and the cost of environment damage, the contradiction between the two is sharp day by day, and the public has strong response to the problem of environmental pollution. This situation is directly related to the unreasonable economic structure and the growth mode. The emission of greenhouse gases causes global warming, and is widely concerned by the international society. Further strengthening the energy conservation and emission reduction work, and meeting the urgent need of global climate change.
The existing environmental sanitation sweeper has two characteristics: firstly, the cleaning principle is based on suction, a high-power fan is arranged above the dustbin, negative pressure is formed in the dustbin, and garbage and sundries are sucked into the dustbin; secondly, raking the garbage to the middle position by raking in the soft brush at the two sides and then sucking the garbage into the garbage can; the existing sanitation sweeper basically can meet daily sweeping requirements from the aspect of garbage sweeping, but has the following problems: firstly, the high-power fan brings the too high problem of energy consumption, and its two, there is the raise dust after the soft brush sweeps, perhaps spray water and sweep simultaneously and lead to cleaning unclean, and there is not the closure measure or seals not tight above its three soft brush, causes suction extravagant to cause the wasting of resources, above is the problem that prior art cleaning system exists.
In order to solve the above problems, the patent with application publication number CN106337381A adopts the following scheme: the use purpose of the sanitation vehicle is improved through mutual auxiliary driving of oil and electricity, and meanwhile, the additional power is not needed for water spraying by means of an externally-pulled transmission mechanism during dust removal, so that energy conservation and emission reduction are realized; the technical scheme adopted by application publication No. CN203755222U is as follows: the rolling brush in the garbage collection device is eccentrically installed with the shell, the generated friction resistance is small, and the power consumption during working is small, so that the power can be completely collected from the surplus power of the main engine, the original auxiliary engine can be omitted, the energy consumption is reduced, and the energy consumption can be saved by more than 50% through testing.
The applicant considers that the technical problem of energy conservation and consumption reduction is not solved by the scheme proposed by the sweeping system, so that the scheme proposes improvement from the sweeping system and achieves the effects of energy conservation and consumption reduction.
Disclosure of Invention
The invention aims to reduce the electric energy consumption of the fan in unit width on the basis of light and heavy garbage collection, has good cleaning effect, saves energy and reduces emission.
The technical scheme of the invention is realized as follows: a light and heavy separation energy-saving sweeping system comprises a suction sweeping device, a heavy garbage storage box arranged at the front end of the suction sweeping device, side brushes arranged at two sides of the suction sweeping device, and an air suction opening arranged at the upper end of the suction sweeping device; the sucking and sweeping device comprises a sucking and sweeping disc and a rolling brush arranged in the sucking and sweeping disc; the side brush comprises an inner brush and an inner brush shield arranged outside the inner brush, and when the side brush is in an open state, the inner brush part is positioned below the suction and sweeping device; one end of the inner brush shield is attached to or close to the front end of the suction and sweeping device, and the other end of the inner brush shield is attached to the side wall of the suction and sweeping device through the outer edge plate of the shield.
Preferably, the air suction opening is connected with the fan and the light garbage storage box through a ventilation pipeline.
Preferably, the side brush is connected with one end of the side brush turnover device through a four-bar linkage, the other end of the side brush turnover device is connected to the front end of the suction and sweeping device through a telescopic cylinder, the side brush turnover device is hinged with the suction and sweeping device, and the relative positions of the two side brushes can be adjusted as required.
Preferably, the side wall of the suction and sweeping device is provided with a side wall air suction opening, suction on two sides of the air suction opening is balanced, suction is diffused more uniformly, and the suction and sweeping are clean.
Preferably, the rolling brush comprises a rolling shaft and a V-shaped scrubbing brush arranged on the rolling shaft, heavy garbage is gathered in the middle while sweeping, and finally the heavy garbage is swept into a heavy garbage storage box.
Preferably, the top end of the inner hairbrush is provided with a top cover plate; the suction sweeping device, the inner brush shield and the top cover plate are used for covering the inner brush in a closed manner to form a relatively closed environment, so that dust can not be raised, and meanwhile, the suction force is ensured not to be lost outwards to cause insufficient suction force at the suction inlet.
The invention relates to a cleaning device, a garbage can and a fan, wherein the connection mode of the prior art is cleaning device-garbage can-fan, the fan sucks air to form negative pressure in the garbage can, and the negative pressure sucks other sundries such as leaves, stones and the like into the garbage can; secondly, the rubbish of light in weight such as leaf wastepaper is smashed by the fan blade through the fan, has increased the density of rubbish for light thing rubbish case can store more light thing rubbish, and further, after the rubbish of smashing had arrived refuse disposal station, because closely knit degree is high and more finely cut, the subsequent processing got up more conveniently.
The structural description about the light and heavy separation of the garbage is described, two side brushes and a V-shaped plate brush are arranged in a triangle, the V-shaped plate brush is used for cleaning and collecting the garbage, along with the forward movement of the whole device, the heavy garbage is cleaned in a heavy garbage storage box, the light garbage is sucked away, the heavy garbage storage box is arranged between the connecting lines of the two side brushes, and when the side brushes are in an open state, namely in a normal cleaning state, the inner brush part is positioned below the suction and sweeping device, an inner brush shield and a top cover plate are used for sealing and covering the inner brush, the formed structure is that the inner brush part is embedded below the suction and sweeping device and is shielded by the suction and sweeping device and the inner brush shield, the effect is realized in such a way that the space between the two side brushes and the V-shaped plate brush is relatively sealed, the waste of suction force is avoided, the fan power required by the wind per unit width can be reduced, the energy conservation and consumption reduction are achieved, and the two side brushes and the V-shaped plate brush gather the garbage in the middle, the light garbage is sucked away and enters the light garbage storage box, and the heavy garbage is brushed into the heavy garbage storage box by the V-shaped plate, so that the light and heavy separation of the garbage is effectively realized; in addition, the device can not raise dust, and ensures that the suction force can not be lost outwards to cause insufficient suction force of the suction opening relative to a closed environment.
Other functional explanations about the structure of the invention are that firstly, when the telescopic cylinder is contracted, the side brushes can be retracted, the distance between the two side brushes is the minimum, at the moment, the narrow space is favorably passed, and the distance between the two side brushes can be adjusted to adapt to different road surface widths through the contraction and extension of the telescopic cylinder; secondly, the four-bar mechanism is used for raising the side brush when meeting obstacles and not easily damaged when meeting obstacles or a rough road surface.
The beneficial effects of the invention are summarized as follows: firstly, through the structural arrangement improvement of separating and recycling the light garbage and the heavy garbage, the suction force of a fan with unit cleaning width is reduced, the energy consumption of the fan is reduced, and the purposes of energy conservation and emission reduction are achieved; secondly, the light garbage is smashed by the fan and then enters the light garbage storage box, so that the light garbage is high in density, easy to store and easy to subsequently treat; thirdly, the overall structure layout design is additionally arranged on the inner brush shield, so that the sweeping system is ensured not to raise dust, the noise is low, and the sweeping effect is good.
Drawings
FIG. 1 is a schematic structural view of a light-weight separation energy-saving sweeping system according to the present invention;
FIG. 2 is a left side view schematic structural diagram of the light-weight separation energy-saving sweeping system of the present invention;
FIG. 3 is a schematic top view of the light-weight separation energy-saving sweeping system of the present invention;
FIG. 4 is a schematic view of a right front observation structure of the light-weight separation energy-saving cleaning system of the present invention.
Fig. 5 is a schematic view of the bottom side observation structure of the light-weight separation energy-saving sweeping system of the invention.
The garbage cleaning device comprises a suction and sweeping device 1, a suction and sweeping disc 1a, a rolling brush 1b, a rolling shaft 1b1, a V-shaped scrubbing brush 1b2, a heavy garbage storage box 2, an edge brush 3, an inner hairbrush 31, an inner hairbrush shield 32, an outer edge plate 33 of the shield, a top cover plate 34, an air suction opening 4, a fan 5, a light garbage storage box 6, a telescopic cylinder 7, a side wall air suction opening 8, a four-link mechanism 9 and an edge brush turning device 10.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the following will further describe a light-weight separation energy-saving sweeping system of the present invention with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 to 5, a light-heavy separation energy-saving sweeping system comprises a suction device 1, a heavy garbage storage box 2 arranged at the front end of the suction device 1, side brushes 3 arranged at two sides of the suction device 1, and an air suction opening 4 arranged at the upper end of the suction device 1; the suction and sweeping device 1 comprises a suction and sweeping disc 1a and a rolling brush 1b arranged in the suction and sweeping disc 1 a; the side brush 3 comprises an inner brush 31 and an inner brush shield 32 arranged outside the inner brush, and when the side brush 3 is in an open state, the inner brush 31 is partially positioned below the suction and sweeping device 1; one end of the inner brush shield 32 is attached to or close to the front end of the suction device 1, and the other end is attached to the side wall of the suction device 1 through the shield outer edge plate 33; the air suction opening 4 is connected with a fan 5 and a light garbage storage box 6 through a ventilation pipeline; the side brush 3 is connected with one end of a side brush turnover device 10 through a four-bar linkage 9, the other end of the side brush turnover device 10 is connected to the front end of the suction and sweeping device 1 through a telescopic cylinder 7, and the side brush turnover device 10 is hinged with the suction and sweeping device 1; a side wall air suction opening 8 is formed in the side wall of the suction and sweeping device 1; the rolling brush 1b comprises a rolling shaft 1b1 and a V-shaped scrubbing brush 1b2 arranged on the rolling shaft 1b 1; the top end of the inner brush 31 is provided with a top cover plate 34; the suction and sweeping device 1, the inner brush shield 32 and the top cover plate 34 enclose and cover the inner brush 31, i.e. dust is not raised, and it is ensured that the suction force is not lost outwards and the suction force at the suction opening 4 is not enough.
The invention relates to the innovation of the whole system, and relates to the innovation of the whole system, wherein the connection mode in the prior art is a cleaning device-a garbage can-a fan, the fan sucks air to form negative pressure in the garbage can, and the negative pressure sucks other sundries such as leaves, stones and the like into the garbage can; secondly, the rubbish of light in weight such as leaf wastepaper is smashed by the fan blade through the fan, has increased the density of rubbish for light thing rubbish case can store more light thing rubbish, and further, after the rubbish of smashing had arrived refuse disposal station, because closely knit degree is high and more finely cut, the subsequent processing got up more conveniently.
As for the structural description of ensuring the light and heavy separation of the garbage, two side brushes 3 and a V-shaped plate brush 1b2 are arranged in a triangle, the V-shaped plate brush 1b2 is used for cleaning and collecting the garbage, the heavy garbage is cleaned into a heavy garbage storage box 2 along with the forward movement of the whole device, the light garbage is sucked away, the heavy garbage storage box 2 is arranged between the connecting lines of the two side brushes 3, when the side brushes 3 are in an open state, namely in a normal cleaning state, the inner hair brush 31 is partially positioned below the suction and sweeping device 1, the inner hair brush shield 32 and a top cover plate 34 close and cover the inner hair brush 31, the inner hair brush 31 is partially embedded below the suction and sweeping device 1 and is shielded by the suction and sweeping device 1 and the inner hair brush shield 32, the effect is realized in such a way that the position space between the two side brushes and the V-shaped plate brush is relatively closed, the suction waste is avoided, and the fan power required by wind of unit width can be reduced, the energy conservation and consumption reduction are achieved, the two side brushes and the V-shaped plate brush gather the garbage to the middle, the light garbage is sucked away and enters the light garbage storage box, the heavy garbage is rolled into the heavy garbage storage box by the V-shaped plate brush, and the light and heavy separation of the garbage is effectively realized; in addition, the device can not raise dust, and ensures that the suction force can not be lost outwards to cause insufficient suction force of the suction opening relative to a closed environment.
Regarding other functional explanations of the structure of the invention, firstly, when the telescopic cylinder 7 is contracted, the side brushes 3 can be contracted, the distance between the two side brushes is the minimum, which is beneficial to passing through a narrow space, and the distance between the two side brushes can be adjusted to adapt to different road surface widths through the contraction and extension of the telescopic cylinder 7; secondly, the four-bar mechanism 9 is used for raising the side brush 3 when encountering an obstacle, and the side brush 3 is not easy to damage when encountering the obstacle or a road with large fluctuation.
According to the record of field application conditions, the cleaning system is used on a sweeper with the length of 3.35 meters and the width of 1.65 meters, the air pressure of a required fan is 5000MPa, the air volume is 10000 cubic meters per hour, and after the cleaning system is used, the air pressure of the used fan is 3000MPa, and the air volume is 5000 cubic meters per hour.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. The utility model provides a light heavy separation energy-conserving cleaning system which characterized in that still includes: the garbage collection and sweeping device comprises a suction and sweeping device (1), a heavy garbage storage box (2) arranged at the front end of the suction and sweeping device (1), side brushes (3) arranged at two sides of the suction and sweeping device (1) and an air suction opening (4) arranged at the upper end of the suction and sweeping device (1);
the suction and sweeping device (1) comprises a suction and sweeping disc (1 a) and a rolling brush (1 b) arranged in the suction and sweeping disc (1 a);
the rolling brush (1 b) comprises a rolling shaft (1 b 1) and a V-shaped scrubbing brush (1 b 2) arranged on the rolling shaft (1 b 1); the side brush (3) is connected with one end of a side brush turnover device (10) through a four-bar linkage (9), the other end of the side brush turnover device (10) is connected to the front end of the suction and sweeping device (1) through a telescopic cylinder (7), and the side brush turnover device (10) is hinged with the suction and sweeping device (1);
the side brush (3) comprises an inner brush (31) and an inner brush shield (32) arranged outside the inner brush, and when the side brush (3) is in an open state, the inner brush (31) is partially positioned below the suction and sweeping device (1);
one end of the inner brush shield (32) is attached to or close to the front end of the suction and sweeping device (1), and the other end is attached to the side wall of the suction and sweeping device (1) through the shield outer edge plate (33);
the top end of the inner brush (31) is provided with a top cover plate (34);
inhale and sweep device (1) and interior brush guard shield (32), lamina tecti (34) and cover interior brush (31) closed, inlet scoop (4) are connected through air pipe and fan (5), light thing rubbish storage box (6).
2. The energy-saving sweeping system for separating light and heavy components according to claim 1, wherein the side wall of the suction and sweeping device (1) is provided with a side wall suction opening (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911424164.6A CN111074822B (en) | 2019-12-31 | 2019-12-31 | Light-heavy separation energy-saving cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911424164.6A CN111074822B (en) | 2019-12-31 | 2019-12-31 | Light-heavy separation energy-saving cleaning system |
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| Publication Number | Publication Date |
|---|---|
| CN111074822A CN111074822A (en) | 2020-04-28 |
| CN111074822B true CN111074822B (en) | 2021-11-19 |
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| CN201911424164.6A Expired - Fee Related CN111074822B (en) | 2019-12-31 | 2019-12-31 | Light-heavy separation energy-saving cleaning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112554107A (en) * | 2020-12-24 | 2021-03-26 | 牛桂平 | Environment-friendly intelligent sweeper capable of compressing garbage |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2421411A1 (en) * | 1974-05-03 | 1975-11-13 | Miez Staedtereinigungs Gmbh | Sweeper for concrete surfaces such as roads or airport tarmacs - has dust sucked up using pressure gas or steam and heavy objects cleared by broom system |
| US4457044A (en) * | 1982-09-30 | 1984-07-03 | Fmc Corporation | Multiple flight elevator system |
| IT1225847B (en) * | 1988-10-31 | 1990-12-07 | Poli Vincenzo E Poli Giovanni | MINI BATTERY SUCTION MOTORCOPE |
| JP3044948B2 (en) * | 1992-10-13 | 2000-05-22 | 豊和工業株式会社 | Road sweeper |
| CN2575151Y (en) * | 2002-09-30 | 2003-09-24 | 长沙高新技术产业开发区中标实业有限公司 | Non-dam reservoir flood diversion sand sluice |
| DE102005018883B4 (en) * | 2005-04-22 | 2010-04-01 | Hako-Werke Gmbh | Floor cleaning machine |
| CN103015354A (en) * | 2012-12-26 | 2013-04-03 | 烟台海德专用汽车有限公司 | Ultra-wide garbage grinding and collecting device |
| CN203613493U (en) * | 2013-11-21 | 2014-05-28 | 樊元红 | Sweeping bucket of road surface sweeper |
| CN204238155U (en) * | 2014-11-14 | 2015-04-01 | 王春位 | A kind of urban pavement cleaning device |
| DE102016004035A1 (en) * | 2015-04-13 | 2016-10-13 | Andreas Stihl Ag & Co. Kg | Suction device for collecting light and heavy goods |
| CN204982754U (en) * | 2015-07-23 | 2016-01-20 | 合肥永升机械有限公司 | Driving formula street sweeper cleans mechanism |
| CN107304552A (en) * | 2016-04-19 | 2017-10-31 | 张珉 | One kind transports unimpeded sweeping and sucking type street cleaner forever |
| CN106223244B (en) * | 2016-08-10 | 2017-10-20 | 江苏大学 | A kind of cleaning agency of suction sweeping type road sweeper |
| CN208551660U (en) * | 2017-08-16 | 2019-03-01 | 宁波汇峰嘉福科技有限公司 | A kind of sweeper |
| CN208309487U (en) * | 2018-05-18 | 2019-01-01 | 湖北聚力汽车技术股份有限公司 | A kind of road sweeper side brush dust-extraction unit |
| CN209760115U (en) * | 2018-07-17 | 2019-12-10 | 唐山市曹妃甸区东方建筑设计咨询有限公司 | Moving vehicle with road surface cleaning function |
| CN208857756U (en) * | 2018-09-27 | 2019-05-14 | 长春市布拉德除雪机械有限公司 | A kind of snow breaker and its snow-removing mechanism connect rack device |
| CN209353270U (en) * | 2018-11-15 | 2019-09-06 | 上海电动工具研究所（集团）有限公司 | A kind of road sweeper sweeps suction device without fugitive dust |
| CN209114411U (en) * | 2018-11-21 | 2019-07-16 | 深圳市友志达实业有限公司 | A kind of urban road device for clearing fallen leaves |
| CN209686303U (en) * | 2018-12-13 | 2019-11-26 | 佛山高洁环保科技有限公司 | A kind of road sweeper side brush anticollision contraction structure and the road sweeper using the structure |
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2019
- 2019-12-31 CN CN201911424164.6A patent/CN111074822B/en not_active Expired - Fee Related
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| CN111074822A (en) | 2020-04-28 |
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Granted publication date: 20211119 |