CN111270636A - Road surface dust collection vehicle and dust collection method thereof - Google Patents
Road surface dust collection vehicle and dust collection method thereof Download PDFInfo
- Publication number
- CN111270636A CN111270636A CN202010059610.4A CN202010059610A CN111270636A CN 111270636 A CN111270636 A CN 111270636A CN 202010059610 A CN202010059610 A CN 202010059610A CN 111270636 A CN111270636 A CN 111270636A
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- Prior art keywords
- dust
- motor
- garbage
- dust collection
- collection chamber
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- 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.)
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Classifications
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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
- E01H1/0854—Apparatus in which the mechanically dislodged dirt is partially sucked-off, e.g. dislodging- sweeping apparatus with dirt collector in brush housing or dirt container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- 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
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention discloses a road surface dust collection vehicle and a dust collection method thereof, belonging to the technical field of road surface cleaning equipment. The invention can adsorb all the iron wastes absorbed in the dust collector through the electromagnet, thereby reducing secondary picking, and intensively collecting the iron wastes to prevent the dust collector from being damaged.
Description
Technical Field
The invention relates to a dust collection vehicle and a dust collection method thereof, in particular to a road surface dust collection vehicle and a dust collection method thereof, and belongs to the technical field of road surface cleaning equipment.
Background
The dust collection vehicle is novel environment-friendly sanitation equipment developed by adopting a novel patent technology. The disc brush rolling brush sweeping traditional mode for the road sweeper is changed, the operation is completed by adopting the working principle of negative pressure direct suction, micron-sized particles can be filtered, dust pollution is effectively reduced, inhalable particles are synchronously filtered, the air quality is improved, the content of the inhalable particles in the air is reduced, and the respiratory health of people is improved.
The existing dust collection side has the following defects: (1) the existing dust collection vehicle only has the function of dust collection and is single in function: (2) the existing dust suction device can cause secondary dust raising when the broom is used for rotating to suck dust.
Disclosure of Invention
The invention mainly aims to solve the defects of the prior art and provides a road surface dust collection vehicle and a dust collection method thereof.
The purpose of the invention can be achieved by adopting the following technical scheme:
a road surface dust collection vehicle comprises a base and a storage box arranged at the top of the telescopic base, wherein one side of the storage box is provided with a cab, the bottom of the base is provided with a plurality of wheels, the inside of the storage box is provided with a garbage collection processing box, one side of the garbage collection processing box is provided with a large garbage storage box, the inside of the garbage collection processing box is provided with a garbage collection chamber, one side of the garbage collection chamber is provided with a first dust collection chamber, the other side of the garbage collection chamber is provided with a second dust collection chamber, the other side of the first dust collection chamber is provided with a water tank, the insides of the first dust collection chamber and the second dust collection chamber are respectively provided with a plurality of third motors, the output ends of the third motors are connected with a dust collector through telescopic shafts, one side of the telescopic shafts is provided with a garbage conveying pipe, and the dust collector comprises a dust collector motor and a dust collection barrel arranged at, and the other end of the dust suction cylinder is provided with an electromagnet.
Preferably, the garbage collection chamber includes the conveyer belt and installs the dust filter chamber of conveyer belt below, the inside of dust filter chamber is equipped with the fourth motor, the output of fourth motor is connected with the dirt pushing plate through the connecting axle.
Preferably, one end of the dust filter chamber is provided with a guide plate, the bottom of the guide plate is provided with a dust collecting box, and the dust collecting box is provided with a dust collecting box.
Preferably, a water pump is arranged in the water tank, and a first motor is arranged on one side of the water pump.
Preferably, the inner wall of the second dust collection chamber is provided with a second motor, and the output ends of the first motor and the second motor are both connected with a first telescopic rod.
Preferably, one side of the base is provided with a wind shield, and the top end of the wind shield is provided with a water retaining curtain.
Preferably, one side of the dust collector is provided with a sprayer which is matched with the water pump.
Preferably, one side of the garbage collection and treatment box is provided with a garbage outlet matched with the conveyor belt, one side of the garbage outlet is provided with a second object guide plate, and the second object guide plate is inserted into the large garbage storage box.
A dust collection method of a road surface dust collection vehicle comprises the following steps:
by starting an operation keyboard in the cab, starting a third motor to drive the dust collector to stretch and retract to the ground, and starting an electromagnet;
starting the first motor and the second motor to drive the wind shield to extend outwards;
start dust catcher and conveyer belt and begin the function, open the fourth motor and drive and push away inside the dirt board with the gold dust collecting box of dust propelling movement, inside the great rubbish of conveyer belt filter volume transported to major possession rubbish storage box.
Preferably, the rotation angle of the telescopic wind shield is 0-240 degrees.
The invention has the beneficial technical effects that: according to the road surface dust collection vehicle and the dust collection method thereof, the electromagnet is arranged to adsorb all the iron wastes in the dust sucked into the dust collector, so that secondary picking can be reduced, the iron wastes can be collected in a centralized manner, and the dust collector is prevented from being damaged; the road surface dust absorption vehicle is provided with the sprayer which can clean the road surface while adsorbing dust while being matched with the wind shield, so that secondary dust raising can be avoided, and water flow can be prevented from splashing; be equipped with the garbage collection room and can carry out filtering separation with bulky rubbish and dust, avoid the secondary to pick, reduce workman work load.
Drawings
FIG. 1 is a schematic view of a garbage collection and disposal bin according to a preferred embodiment of the road surface-cleaning vehicle and the cleaning method thereof;
FIG. 2 is a bottom view of a garbage collection and disposal bin structure of a preferred embodiment of the road surface-cleaning vehicle and the cleaning method thereof according to the present invention;
FIG. 3 is a schematic view of a garbage collection chamber of the road surface-cleaning vehicle and the cleaning method thereof according to a preferred embodiment of the present invention;
FIG. 4 is a schematic view showing a storage box structure of the road surface-cleaning vehicle and the cleaning method thereof according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of a dust collector of a preferred embodiment of the road surface dust-collecting vehicle and a dust collecting method thereof according to the present invention;
fig. 6 is an overall structural view illustrating a preferred embodiment of the road surface-cleaning vehicle and the cleaning method thereof according to the present invention.
In the figure: 1-base, 2-cab, 3-wheels, 4-storage box, 5-wind screen, 6-water tank, 7-first motor, 8-water pump, 9-second motor, 10-third motor, 11-first dust-collecting chamber, 12-second dust-collecting chamber, 14-telescopic shaft, 16-garbage conveying pipe, 17-dust collector, 18-water-retaining curtain, 19-first telescopic shaft, 20-sprayer, 21-garbage collecting chamber, 22-conveyor belt, 23-fourth motor, 24-dust filtering chamber, 25-connecting shaft, 26-dust-pushing plate, 28-dust-collecting box, 29-object guide plate, 30-dust-collecting box, 31-dust collector motor, 32-dust-collecting barrel, 33-electromagnet, 34-large garbage storage box, 35-garbage outlet, 36-second guide plate, 37-garbage collection and treatment box.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 to 6, the road surface vacuum sweeper provided by the embodiment comprises a base 1 and a storage box 4 installed at the top of the telescopic base 1, wherein a cab 2 is arranged at one side of the storage box 4, a plurality of wheels 3 are arranged at the bottom of the base 1, a garbage collection and treatment box 37 is arranged inside the storage box 4, a large garbage storage box 34 is arranged at one side of the garbage collection and treatment box 37, a garbage collection chamber 21 is arranged inside the garbage collection and treatment box 37, a first dust collection chamber 11 is arranged at one side of the garbage collection chamber 21, a second dust collection chamber 12 is arranged at the other side of the garbage collection chamber 21, a water tank 6 is arranged at the other side of the first dust collection chamber 11, a plurality of third motors 10 are arranged inside the first dust collection chamber 11 and the second dust collection chamber 12, a vacuum cleaner 17 is connected to the output end of the third motors 10 through a telescopic shaft 14, a garbage conveying pipe 16 is arranged at one side of the telescopic shaft 14, the vacuum cleaner 17 comprises a vacuum cleaner motor 31, the other end of the dust suction cylinder 32 is provided with an electromagnet 33. The electromagnet 33 is arranged to adsorb all the iron wastes sucked into the dust in the dust collector 17, so that secondary picking can be reduced, the iron wastes can be collected in a centralized manner, and the dust collector 17 is prevented from being damaged; the road surface dust absorption vehicle is provided with the sprayer 20 which can clean the road surface while adsorbing dust and can prevent secondary dust raising and water flow from splashing by matching with the wind shield 5; be equipped with garbage collection room 21 and can carry out filtering separation with bulky rubbish and dust, avoid the secondary to pick, reduce workman work load.
In this embodiment, as shown in fig. 1, the garbage collection chamber 21 includes a conveyor belt 22 and a dust filter chamber 24 installed below the conveyor belt 22, a fourth motor 23 is provided inside the dust filter chamber 24, and an output end of the fourth motor 23 is connected to a dust pushing plate 26 through a connecting shaft 25. One end of the dust filter chamber 24 is provided with a guide plate 29, the bottom of the guide plate 29 is provided with a dust collecting box 28, and the dust collecting box 28 is provided with a dust collecting box 30. A water pump 8 is arranged inside the water tank 6, and a first motor 7 is arranged on one side of the water pump 8. The inner wall of the second dust collection chamber 12 is provided with a second motor 9, and the output ends of the first motor 7 and the second motor 9 are both connected with a first telescopic rod 19. The pavement dust collection vehicle is provided with the dust pushing plate 26, so that dust separated by the conveyor belt 22 can be collected in a centralized manner, centralized processing by workers is facilitated, and cleanness and tidiness of the interior of the dust collection vehicle are guaranteed. The road surface-cleaning vehicle is provided with a guide plate 29 capable of guiding the filtered dust into the interior of the dust collecting bin 28.
In the present embodiment, as shown in fig. 1, a wind deflector 5 is provided on one side of the base 1, and a water curtain 18 is provided on the top end of the wind deflector 5. A sprayer 20 which is matched with the water pump 8 is arranged at one side of the dust collector 17. A garbage outlet 35 matched with the conveyor belt 22 is formed in one side of the garbage collection and treatment box 37, a second object guide plate 36 is arranged on one side of the garbage outlet 35, and the second object guide plate 36 is inserted into the large garbage storage box 34. The road surface dust collecting vehicle is provided with a sprayer 20 to facilitate cleaning the ground. The conveyor belt 22 is a hollow conveyor belt to facilitate filtering of the waste.
A dust collection method of a road surface dust collection vehicle comprises the following steps:
by starting an operation keyboard in the cab 2, the third motor 10 is started to drive the dust collector 17 to stretch and retract to the ground, and the electromagnet 33 is started;
starting the first motor 7 and the second motor 9 to drive the wind shield 5 to extend outwards to form a telescopic wind shield 5 with a rotation angle of 0-240 degrees;
the vacuum cleaner 17 and the conveyor belt 22 are started to operate, the fourth motor 23 is started to drive the dust pushing plate 26 to push the dust into the gold dust collecting box 28, and the conveyor belt 22 filters the larger volume of the garbage and transports the garbage to the large garbage storage box 34.
In summary, in the present embodiment, according to the road surface dust-collecting cart and the dust-collecting method thereof of the present embodiment, the road surface dust-collecting cart provided with the dust-pushing plate 26 can collect the dust separated by the conveyor belt 22 in a centralized manner, which is convenient for the centralized processing of workers and ensures the cleanness and cleanliness of the interior of the dust-collecting cart. The road surface-cleaning vehicle is provided with a guide plate 29 capable of guiding the filtered dust into the interior of the dust collecting bin 28. The electromagnet 33 is arranged to adsorb all the iron wastes sucked into the dust in the dust collector 17, so that secondary picking can be reduced, the iron wastes can be collected in a centralized manner, and the dust collector 17 is prevented from being damaged; the road surface dust absorption vehicle is provided with the sprayer 20 which can clean the road surface while adsorbing dust and can prevent secondary dust raising and water flow from splashing by matching with the wind shield 5; be equipped with garbage collection room 21 and can carry out filtering separation with bulky rubbish and dust, avoid the secondary to pick, reduce workman work load. The road surface dust collecting vehicle is provided with a sprayer 20 to facilitate cleaning the ground. The conveyor belt 22 is a hollow conveyor belt to facilitate filtering of the waste.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (10)
1. The road surface dust collection vehicle is characterized by comprising a base (1) and a storage box (4) arranged at the top of the telescopic base (1), wherein one side of the storage box (4) is provided with a cab (2), the bottom of the base (1) is provided with a plurality of wheels (3), the inside of the storage box (4) is provided with a garbage collection and treatment box (37), one side of the garbage collection and treatment box (37) is provided with a large garbage storage box (34), the inside of the garbage collection and treatment box (37) is provided with a garbage collection chamber (21), one side of the garbage collection chamber (21) is provided with a first dust collection chamber (11), the other side of the garbage collection chamber (21) is provided with a second dust collection chamber (12), the other side of the first dust collection chamber (11) is provided with a water tank (6), the first dust collection chamber (11) and the inside of the second dust collection chamber (12) are provided with a plurality of third motors (10), the output of third motor (10) is connected with dust catcher (17) through telescopic shaft (14), one side of telescopic shaft (14) is equipped with rubbish conveyer pipe (16), dust catcher (17) include dust catcher motor (31) and install suction tube (32) of dust catcher motor (31) bottom, the other end of suction tube (32) is equipped with electro-magnet (33).
2. A road sweeper according to claim 1, wherein the garbage collection chamber (21) comprises a conveyor belt (22) and a dust filtering chamber (24) arranged below the conveyor belt (22), a fourth motor (23) is arranged inside the dust filtering chamber (24), and the output end of the fourth motor (23) is connected with a dust pushing plate (26) through a connecting shaft (25).
3. A road sweeper as claimed in claim 2, wherein the dust filtering chamber (24) is provided at one end thereof with a guide plate (29), the guide plate (29) is provided at a bottom thereof with a dust collecting box (28), and the dust collecting box (28) is provided with a dust collecting box (30).
4. A road sweeper according to claim 1, characterized in that a water pump (8) is arranged inside the water tank (6), and a first motor (7) is arranged on one side of the water pump (8).
5. A road sweeper according to claim 4, characterized in that the inner wall of the second dust chamber (12) is provided with a second motor (9), and the output ends of the first motor (7) and the second motor (9) are connected with a first telescopic rod (19).
6. The road surface dust collecting vehicle as claimed in claim 1, characterized in that a wind shield (5) is arranged on one side of the base (1), and a water retaining curtain (18) is arranged at the top end of the wind shield (5).
7. A road sweeper according to claim 1, characterized in that the side of the suction cleaner (17) is provided with a sprayer (20) which cooperates with the pump (8).
8. A road sweeper according to claim 1, characterized in that the waste collection and disposal bin (37) is provided at one side thereof with a waste outlet (35) cooperating with the conveyor belt (22), and that the waste outlet (35) is provided at one side thereof with a second guide plate (36), the second guide plate (36) being inserted into the interior of the bulk waste storage bin (34).
9. A dust collection method of a road surface dust collection vehicle is characterized by comprising the following steps:
by starting an operation keyboard in the cab (2), a third motor (10) is started to drive a dust collector (17) to stretch and retract to the ground, and an electromagnet (33) is started;
starting a first motor (7) and a second motor (9) to drive a wind shield (5) to extend outwards;
the dust collector (17) and the conveyor belt (22) are started to operate, the fourth motor (23) is started to drive the dust pushing plate (26) to push dust into the gold dust collecting box (28), and the conveyor belt (22) filters garbage with large volume and transports the garbage to the interior of the large garbage storage box (34).
10. A method as claimed in claim 9, wherein the angle of rotation of the retractable wind deflector (5) is 0 to 240 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059610.4A CN111270636A (en) | 2020-01-19 | 2020-01-19 | Road surface dust collection vehicle and dust collection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059610.4A CN111270636A (en) | 2020-01-19 | 2020-01-19 | Road surface dust collection vehicle and dust collection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111270636A true CN111270636A (en) | 2020-06-12 |
Family
ID=70995177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010059610.4A Pending CN111270636A (en) | 2020-01-19 | 2020-01-19 | Road surface dust collection vehicle and dust collection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111270636A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794155A (en) * | 2020-07-18 | 2020-10-20 | 赵伟 | Automatic classification and collection vehicle for urban garbage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB755381A (en) * | 1954-08-04 | 1956-08-22 | Karl Heinz Schorling | Improvements in street-sweeping machines |
| CN201447680U (en) * | 2009-06-03 | 2010-05-05 | 廖镜聪 | Strong magneto type road surface dust suction device |
| CN203209315U (en) * | 2013-04-26 | 2013-09-25 | 七台河健农有机肥研发有限公司 | Household garbage purifying sorting machine |
| CN204510113U (en) * | 2015-01-12 | 2015-07-29 | 武汉蓝海燕智能装车设备有限公司 | Without airborne dust dry-type dust-proof vehicle |
| CN205360833U (en) * | 2016-01-26 | 2016-07-06 | 吴少峰 | Make things convenient for refuse disposal's municipal sanitation dust remover |
| CN106948072A (en) * | 2017-05-12 | 2017-07-14 | 浙江高派机器人科技有限公司 | A kind of new type auto cleaner |
| CN107952667A (en) * | 2017-12-01 | 2018-04-24 | 界首市鑫龙粮油机械加工有限公司 | A kind of dust collecting installation for grain screening machine |
| CN109083060A (en) * | 2018-08-28 | 2018-12-25 | 瑞德(新乡)路业有限公司 | A kind of sweeping machine with separate waste collection function |
| CN109235346A (en) * | 2018-10-18 | 2019-01-18 | 张建华 | A kind of multi-functional urban district environmental sanitation device |
| CN109457643A (en) * | 2018-11-09 | 2019-03-12 | 科维联动（重庆）科技有限公司 | A kind of road dust cleaning vehicle based on artificial intelligence |
| US20190226169A1 (en) * | 2018-01-22 | 2019-07-25 | William J. Hopwood | Magnetic bar for pickup head of sweeper truck |
| CN209162733U (en) * | 2018-12-03 | 2019-07-26 | 浙江交工高等级公路养护有限公司 | Road cleaner |
| CN209686320U (en) * | 2019-02-25 | 2019-11-26 | 南京铁道职业技术学院 | One kind being based on bridge expanssion joint cleaning plant |
-
2020
- 2020-01-19 CN CN202010059610.4A patent/CN111270636A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB755381A (en) * | 1954-08-04 | 1956-08-22 | Karl Heinz Schorling | Improvements in street-sweeping machines |
| CN201447680U (en) * | 2009-06-03 | 2010-05-05 | 廖镜聪 | Strong magneto type road surface dust suction device |
| CN203209315U (en) * | 2013-04-26 | 2013-09-25 | 七台河健农有机肥研发有限公司 | Household garbage purifying sorting machine |
| CN204510113U (en) * | 2015-01-12 | 2015-07-29 | 武汉蓝海燕智能装车设备有限公司 | Without airborne dust dry-type dust-proof vehicle |
| CN205360833U (en) * | 2016-01-26 | 2016-07-06 | 吴少峰 | Make things convenient for refuse disposal's municipal sanitation dust remover |
| CN106948072A (en) * | 2017-05-12 | 2017-07-14 | 浙江高派机器人科技有限公司 | A kind of new type auto cleaner |
| CN107952667A (en) * | 2017-12-01 | 2018-04-24 | 界首市鑫龙粮油机械加工有限公司 | A kind of dust collecting installation for grain screening machine |
| US20190226169A1 (en) * | 2018-01-22 | 2019-07-25 | William J. Hopwood | Magnetic bar for pickup head of sweeper truck |
| CN109083060A (en) * | 2018-08-28 | 2018-12-25 | 瑞德(新乡)路业有限公司 | A kind of sweeping machine with separate waste collection function |
| CN109235346A (en) * | 2018-10-18 | 2019-01-18 | 张建华 | A kind of multi-functional urban district environmental sanitation device |
| CN109457643A (en) * | 2018-11-09 | 2019-03-12 | 科维联动（重庆）科技有限公司 | A kind of road dust cleaning vehicle based on artificial intelligence |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794155A (en) * | 2020-07-18 | 2020-10-20 | 赵伟 | Automatic classification and collection vehicle for urban garbage |
| CN111794155B (en) * | 2020-07-18 | 2022-05-10 | 益阳瀚鑫机械制造有限公司 | Automatic classification and collection vehicle for urban garbage |
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Application publication date: 20200612 |
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| RJ01 | Rejection of invention patent application after publication |