CN210684575U - Dust cleaning and collecting equipment for roads - Google Patents

Dust cleaning and collecting equipment for roads Download PDF

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Publication number
CN210684575U
CN210684575U CN201921283232.7U CN201921283232U CN210684575U CN 210684575 U CN210684575 U CN 210684575U CN 201921283232 U CN201921283232 U CN 201921283232U CN 210684575 U CN210684575 U CN 210684575U
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CN
China
Prior art keywords
fixedly connected
dust
box
box body
collecting
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.)
Expired - Fee Related
Application number
CN201921283232.7U
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Chinese (zh)
Inventor
吴绍平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Baichuan Construction Development Co ltd
Original Assignee
Fujian Baichuan Construction Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujian Baichuan Construction Development Co ltd filed Critical Fujian Baichuan Construction Development Co ltd
Priority to CN201921283232.7U priority Critical patent/CN210684575U/en
Application granted granted Critical
Publication of CN210684575U publication Critical patent/CN210684575U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a dust clearance collecting device for road, concretely relates to road field, the power distribution box comprises a box body, the inside dust absorption mechanism and the filtration collection mechanism that are equipped with of box, dust absorption mechanism includes the suction hood, the suction groove has been seted up to the side surface in the suction hood, and the inside circular broom that is equipped with of shown suction hood, the dust absorption cover is established in the bottom half, inner wall of the box bottom is equipped with the biax motor, the biax motor passes through support and inner wall of the box fixed connection. The utility model discloses a set up fan and biax motor simultaneous working for when circular broom work cleared up the dust, the dust can be absorbed by the suction hood the very first time, avoided traditional dust cleaning car when the clearance, or can't clear up the road surface dust effectively, or just clear up out but cause the phenomenon that the dust drifted away everywhere and can't carry out the processing very first time to take place, greatly improved the efficiency of dust clearance, the polluted environment is raised to the dust when avoiding clearing up.

Description

Dust cleaning and collecting equipment for roads
Technical Field
The utility model relates to a road field, more specifically say, the utility model relates to a dust clearance collecting device for road.
Background
As is well known, rubbish such as dust and dust is produced on roads easily, and at present, manual cleaning or machine cleaning is too low in efficiency, sometimes the machine cleaning can not be effective to clean out the dust, sometimes the dust is easily kicked up, and environmental pollution is caused.
Therefore, it is necessary to invent a dust cleaning and collecting device for roads to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a dust clearance collecting device for road, through setting up fan and biax motor simultaneous working, make when circular broom work clearance dust, the dust can be absorbed by the suction hood the very first time, traditional dust cleaning vehicle has been avoided when the clearance, or can't clear out the road surface dust effectively, or just clear out but cause the phenomenon that the dust scatters and can't handle the very first time all around and take place, the efficiency of dust clearance has greatly been improved, and the environment is protected, the polluted environment is raised to the dust when avoiding clearing up, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the dust cleaning and collecting device for the road comprises a box body, wherein a dust suction mechanism and a filtering and collecting mechanism are arranged inside the box body;
the dust collection mechanism comprises a dust collection cover, a dust collection groove is formed in the inner side surface of the dust collection cover, a circular broom is arranged in the dust collection cover, the dust collection cover is arranged at the bottom of a box body, a double-shaft motor is arranged at the bottom of the inner wall of the box body and fixedly connected with the inner wall of the box body through a support, the circular broom passes through the dust collection cover and the box body and is fixedly connected with an output shaft at the bottom end of the double-shaft motor, a first collection box is arranged at the bottom of the inner wall of the box body and is fixedly connected with the inner wall of the box body, a first air pipe is arranged on one side of the first collection box, one end of the first air pipe is fixedly connected with the first collection box, the other end of the first air pipe passes through the box body and is fixedly connected with the dust collection cover, a second collection box is arranged at the top of the first collection box, one end of the second air pipe is fixedly connected with the top of the first collection box, the other end of the second air pipe is fixedly connected with one side of the second collection box, a fan is arranged at the top of the second collection box, the bottom of the fan is fixedly connected with the second collection box, an air outlet pipe is arranged at the top of the fan, the bottom of the air outlet pipe is fixedly connected with the fan, and the top of the air outlet pipe is fixedly connected with the box body;
the filtering and collecting mechanism comprises a first drawer, the first drawer is connected with a first collecting box in a sliding manner, a first filter screen is arranged at the top end inside the first collecting box, the first filter screen is fixedly connected with the first collecting box, a broom brush is arranged at the bottom of the first filter screen, a crank connecting rod is arranged on one side of the broom brush, a rotating wheel is arranged at one end of the crank connecting rod, one end of the crank connecting rod is movably sleeved at the top of the rotating wheel through a shaft rod, one end of the crank connecting rod is fixedly connected with the broom brush, the other end of the crank connecting rod is movably connected with the rotating wheel, limiting sliding plates are arranged at the bottoms of the front end and the rear end of the broom brush, the two limiting sliding plates are respectively fixedly connected with the front side wall and the rear side wall of the first collecting box, the broom brush is connected with the limiting sliding plates in a sliding manner, a second, and a second filter screen is arranged at the top end in the second collecting box and is fixedly connected with the second collecting box.
In a preferred embodiment, the rotating wheel is positioned at the top of the double-shaft motor, and the rotating wheel is fixedly connected to an output shaft at the top of the double-shaft motor.
In a preferred embodiment, the broom brush top contacts the first filter screen.
In a preferred embodiment, a storage battery is arranged on one side of the double-shaft motor, the storage battery is fixedly connected with a box body, a motor switch is arranged on the top of the box body, the motor switch is fixedly connected with the top of the box body, and the motor switch, the double-shaft motor and the storage battery are arranged in series.
In a preferred embodiment, a fan switch is arranged on the rear side of the motor switch, the fan switch is fixedly connected with the top of the box body, and the fan switch, the fan and the storage battery are arranged in series.
In a preferred embodiment, a first handle is fixedly connected to one side of the first drawer, and a second handle is fixedly connected to one side of the second drawer.
In a preferred embodiment, four universal wheels are fixedly connected to the bottom of the box body and are uniformly distributed, and a handrail is fixedly connected to one side of the box body.
The utility model discloses a technological effect and advantage:
1. the fan and the double-shaft motor work simultaneously, so that when the circular broom works to clean dust, the dust can be absorbed by the dust hood at the first time, the phenomenon that the dust on the road surface cannot be cleaned effectively or is cleaned out but is scattered all around and cannot be treated at the first time when a traditional dust cleaning vehicle is used for cleaning is avoided, the dust cleaning efficiency is greatly improved, the environment is protected, and the dust is prevented from flying to pollute the environment when being cleaned;
2. through setting up first filter screen and second filter screen, simple effectual rubbish filtration such as dust, the clean air of discharge avoids causing secondary pollution to the environment to drive the runner through the biax motor and make the crank connecting rod promote the broom brush and make a round trip to brush first filter screen, make first filter screen can not blockked up by rubbish such as batting scraps of paper, thereby further promote the quality and the efficiency of dust clearance.
Drawings
Fig. 1 is a front view cross-sectional view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a top view cross-sectional view of the present invention.
Fig. 4 is a side view cross-sectional view of the first collection box of the present invention.
Fig. 5 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.
Fig. 6 is an enlarged view of the structure of the part B of fig. 1 according to the present invention.
The reference signs are: the vacuum cleaner comprises a box body 1, a dust hood 2, a circular broom 3, a double-shaft motor 4, a first collecting box 5, a first air pipe 6, a second collecting box 7, a second air pipe 8, a fan 9, an air outlet pipe 10, a first drawer 11, a first filter screen 12, a broom brush 13, a crank connecting rod 14, a rotating wheel 15, a limiting sliding plate 16, a second drawer 17, a second filter screen 18, a storage battery 19, a motor switch 20, a fan switch 21, a first handle 22, a second handle 23 and a dust collecting groove 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a dust cleaning and collecting device for roads as shown in figures 1-5, which comprises a box body 1, a dust suction mechanism is arranged inside the box body 1, the dust suction mechanism comprises a dust hood 2, a dust suction groove 24 is arranged on the inner side surface of the dust hood 2, a circular broom 3 is arranged inside the dust hood 2, the dust hood 2 is arranged at the bottom of the box body 1, a double-shaft motor 4 is arranged at the bottom of the inner wall of the box body 1, the double-shaft motor 4 is fixedly connected with the inner wall of the box body 1 through a bracket, the circular broom 3 passes through a rotating shaft and fixedly connects the dust hood 2 and the box body 1 with an output shaft at the bottom end of the double-shaft motor 4, a first collecting box 5 is arranged at the bottom of the inner wall of the box body 1, the first collecting box 5 is fixedly connected with the inner wall of the box body 1, a first air pipe 6 is arranged at one side of the first air pipe, the other end of the first air pipe 6 penetrates through the box body 1 to be fixedly connected with the dust hood 2, a second collecting box 7 is arranged at the top of the first collecting box 5, the second collecting box 7 is fixedly connected with the first collecting box 5, a second air pipe 8 is arranged on one side of the second collecting box 7, one end of the second air pipe 8 is fixedly connected with the top of the first collecting box 5, the other end of the second air pipe 8 is fixedly connected with one side of the second collecting box 7, a fan 9 is arranged at the top of the second collecting box 7, the bottom of the fan 9 is fixedly connected with the second collecting box 7, an air outlet pipe 10 is arranged at the top of the fan 9, the bottom of the air outlet pipe 10 is fixedly connected with the fan 9, and the top of the air outlet pipe 10;
one side of the double-shaft motor 4 is provided with a storage battery 19, the storage battery 19 is fixedly connected with the box body 1, the top of the box body 1 is provided with a motor switch 20, the motor switch 20 is fixedly connected with the top of the box body 1, and the motor switch 20, the double-shaft motor 4 and the storage battery 19 are arranged in series;
a fan switch 21 is arranged on the rear side of the motor switch 20, the fan switch 21 is fixedly connected with the top of the box body 1, and the fan switch 21, the fan 9 and the storage battery 19 are arranged in series;
the bottom of the box body 1 is fixedly connected with four universal wheels which are evenly distributed, and one side of the box body 1 is fixedly connected with a handrail.
The implementation mode is specifically as follows: when workers need to clean dust on the road surface, the workers can press the motor switch 20, because the motor switch 20, the double-shaft motor 4 and the storage battery 19 are arranged in series, the double-shaft motor 4 starts to operate, an output shaft at the bottom end of the double-shaft motor 4 drives the rotating shaft to rotate, the rotating shaft drives the circular broom 3 to rotate, the workers simultaneously press the fan switch 21, and because the fan switch 21, the fan 9 and the storage battery 19 are arranged in series, the fan 9 starts to operate, after the fan 9 operates, the suction hood 2 finally generates suction force through the second collecting box 7, the second air pipe 8, the first collecting box 5 and the first air pipe 6, when the circular broom 3 operates, the dust on the road surface and some dust blocks which are difficult to clean can be cleaned out, and the dust blocks can be immediately sucked into the dust hood 2 from the suction groove 24 on the inner side surface by the dust hood 2, through setting up fan 9 and 4 simultaneous workings of biax motor, make when the dust is cleared up in 3 works of circular broom, the dust can be absorbed by suction hood 2 the very first time, avoided traditional dust cleaning cart when the clearance, or can't clear up out the road surface dust effectively, or just clear up out but cause the phenomenon emergence that the dust was handled the unable very first time of scattering everywhere, the efficiency of dust clearance has greatly been improved and the environment has been protected, the polluted environment is raised to the dust when avoiding clearing up.
The dust cleaning and collecting device for the road shown in fig. 1-6 further comprises a filtering and collecting mechanism, the filtering and collecting mechanism comprises a first drawer 11, the first drawer 11 is slidably connected with a first collecting box 5, a first filter screen 12 is arranged at the top end inside the first collecting box 5, the first filter screen 12 is fixedly connected with the first collecting box 5, a broom brush 13 is arranged at the bottom of the first filter screen 12, a crank connecting rod 14 is arranged at one side of the broom brush 13, a rotating wheel 15 is arranged at one end of the crank connecting rod 14, one end of the crank connecting rod 14 is movably sleeved at the top of the rotating wheel 15 through a shaft lever, one end of the crank connecting rod 14 is fixedly connected with the broom brush 13, the other end of the crank connecting rod 14 is movably connected with the rotating wheel 15, limiting sliding plates 16 are arranged at the bottoms of the front and rear ends of the broom brush 13, and the two limiting sliding plates 16 are respectively fixedly connected with the front and, the broom brush 13 is connected with the limiting sliding plate 16 in a sliding mode, the bottom end inside the second collecting box 7 is provided with a second drawer 17, the second drawer 17 is connected with the second collecting box 7 in a sliding mode, the top end inside the second collecting box 7 is provided with a second filter screen 18, and the second filter screen 18 is fixedly connected with the second collecting box 7;
the rotating wheel 15 is arranged at the top of the double-shaft motor 4, and the rotating wheel 15 is fixedly connected to an output shaft at the top of the double-shaft motor 4;
the top of the broom brush 13 is in contact with the first filter screen 12;
a first handle 22 is fixedly connected to one side of the first drawer 11, and a second handle 23 is fixedly connected to one side of the second drawer 17.
The implementation mode is specifically as follows: when the worker starts the fan 9 and the double-shaft motor 4 to make the utility model normally work, the dust hood 2 sucks in the dust and other garbage, the dust enters the first collection box 5 through the first air pipe 6 due to the suction effect of the fan 9, and the fine dust is sucked into the second collection box 7 from the second air pipe 8 through the first filter 12 by the first filter 12, the sucked garbage such as the fluff paper sheets is separated in the first collection box 5, and the double-shaft motor 4 drives the rotating wheel 15 to rotate together when normally working, so that the crank connecting rod 14 pushes the broom brush 13 to reciprocate, and the broom brush 13 continuously brushes the first filter 12 due to the existence of the two limit sliding plates 16, the dust such as the fluff on the surface of the first filter 12 is brushed down, and the dust sucked into the second collection box 7 is filtered by the second filter 18, stay in the second collecting box 7, finally the fan 9 discharges clean air without dust through the air outlet pipe 10, after cleaning, after the worker closes the switch of the double-shaft motor 4 and the fan switch 21, the double-shaft motor 4 and the fan 9 stop working, the dust of the first collecting box 5, the garbage such as the fluff and the like fall into the first drawer 11, the dust of the second collecting box 7 falls into the second drawer 17, the worker can draw out the first drawer 11 and the second drawer 17 through the first handle 22 and the second handle 23, the garbage such as the dust and the like can be poured out, collected and cleaned, the garbage such as the dust and the like can be simply and effectively filtered through the first filter screen 12 and the second filter screen 18, the clean air is discharged, secondary pollution to the environment is avoided, and the rotating wheel 15 is driven through the double-shaft motor 4 and the crank connecting rod 14 pushes the handle brush 13 to brush the first filter screen 12, so that the first filter screen 12 is not blocked by the garbage such as the lint paper, and the like, thereby further improving the quality and efficiency of dust cleaning.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, when a motor switch 20 is pressed, a double-shaft motor 4 operates, a bottom output shaft drives a rotating shaft to rotate, the rotating shaft drives a circular broom 3 to rotate, and a fan switch 21 is pressed simultaneously, so that a fan 9 starts to operate, after the fan 9 operates, the suction hood 2 finally generates suction through a second collecting box 7, a second air pipe 8, a first collecting box 5 and a first air pipe 6, and when the circular broom 3 operates in a rotating manner, dust and dust blocks which are difficult to clean are all cleaned out and are immediately sucked into the suction hood 2 from a dust suction groove 24 on the inner side surface of the dust hood 2.
Referring to the attached fig. 1-6 of the specification, after the dust hood 2 sucks in the dust, the dust will enter the first collection box 5 through the first air pipe 6 due to the suction of the fan 9, the fine dust will pass through the first filter 12 and be sucked into the second collection box 7 from the second air pipe 8, and the sucked dust such as the fluff paper sheet will be separated in the first collection box 5, when the dual-shaft motor 4 works normally, the rotating wheel 15 will be driven to rotate together, so the crank connecting rod 14 will push the broom brush 13 to reciprocate, and due to the two limit sliding plates 16, the broom brush 13 will continuously brush the first filter 12 to brush down the dust such as the fluff on the surface of the first filter 12, and the dust sucked into the second collection box 7 will be filtered by the second filter 18 and remain in the second collection box 7, finally the fan 9 will exhaust the clean air without dust through the air outlet pipe 10, after the clearance finishes, after staff closed biax motor 4 switch and fan switch 21, biax motor 4 and fan 9 stop work, and rubbish such as the dust of first collecting box 5 and batting will fall into first drawer 11, and the dust of second collecting box 7 will fall into second drawer 17, and the staff can take first drawer 11 and second drawer 17 out through first in command 22 and second in command 23, and it can to collect the clearance to pour rubbish such as dust again.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a dust clearance collecting device for road, includes box (1), its characterized in that: a dust collection mechanism and a filtering and collecting mechanism are arranged in the box body (1);
the dust collection mechanism comprises a dust collection cover (2), a dust collection groove (24) is formed in the surface of the inner side of the dust collection cover (2), a circular broom (3) is arranged inside the dust collection cover (2), the dust collection cover (2) is arranged at the bottom of a box body (1), a double-shaft motor (4) is arranged at the bottom of the inner wall of the box body (1), the double-shaft motor (4) is fixedly connected with the inner wall of the box body (1) through a support, the circular broom (3) penetrates through the dust collection cover (2) and the box body (1) and is fixedly connected with an output shaft at the bottom end of the double-shaft motor (4) through a rotating shaft, a first collection box (5) is arranged at the bottom of the inner wall of the box body (1), the first collection box (5) is fixedly connected with the inner wall of the box body (1), a first air pipe (6) is arranged on one side of the first collection box (5, the other end of the first air pipe (6) penetrates through the box body (1) and is fixedly connected with the dust hood (2), the top of the first collecting box (5) is provided with a second collecting box (7), the second collecting box (7) is fixedly connected with the first collecting box (5), a second air pipe (8) is arranged on one side of the second collecting box (7), one end of the second air pipe (8) is fixedly connected with the top of the first collecting box (5), the other end of the second air pipe (8) is fixedly connected with one side of the second collecting box (7), the top of the second collection box (7) is provided with a fan (9), the bottom of the fan (9) is fixedly connected with the second collection box (7), an air outlet pipe (10) is arranged at the top of the fan (9), the bottom of the air outlet pipe (10) is fixedly connected with the fan (9), and the top of the air outlet pipe (10) is fixedly connected with the box body (1);
the filtering and collecting mechanism comprises a first drawer (11), the first drawer (11) is connected with a first collecting box (5) in a sliding mode, a first filter screen (12) is arranged at the top end inside the first collecting box (5), the first filter screen (12) is fixedly connected with the first collecting box (5), a broom brush (13) is arranged at the bottom of the first filter screen (12), a crank connecting rod (14) is arranged on one side of the broom brush (13), a rotating wheel (15) is arranged at one end of the crank connecting rod (14), one end of the crank connecting rod (14) is movably sleeved on the top of the rotating wheel (15) through a shaft rod, one end of the crank connecting rod (14) is fixedly connected with the broom brush (13), the other end of the crank connecting rod (14) is movably connected with the rotating wheel (15), limiting sliding plates (16) are arranged at the bottoms of the front end and the rear end of the broom brush (13), and the two limiting sliding plates (16) are fixedly connected with the front side wall and the, the broom brush (13) is connected with the limiting sliding plate (16) in a sliding mode, a second drawer (17) is arranged at the bottom end of the interior of the second collecting box (7), the second drawer (17) is connected with the second collecting box (7) in a sliding mode, a second filter screen (18) is arranged at the top end of the interior of the second collecting box (7), and the second filter screen (18) is fixedly connected with the second collecting box (7).
2. The road dust cleaning and collecting device of claim 1, wherein: the rotating wheel (15) is located at the top of the double-shaft motor (4), and the rotating wheel (15) is fixedly connected to an output shaft at the top of the double-shaft motor (4).
3. The road dust cleaning and collecting device of claim 1, wherein: the top of the broom brush (13) is contacted with the first filter screen (12).
4. The road dust cleaning and collecting device of claim 1, wherein: the novel solar battery is characterized in that a storage battery (19) is arranged on one side of the double-shaft motor (4), the storage battery (19) is fixedly connected with the box body (1), a motor switch (20) is arranged at the top of the box body (1), the motor switch (20) is fixedly connected with the top of the box body (1), and the motor switch (20), the double-shaft motor (4) and the storage battery (19) are arranged in series.
5. A road dust cleaning and collecting device according to claim 4, characterized in that: the rear side of the motor switch (20) is provided with a fan switch (21), the fan switch (21) is fixedly connected with the top of the box body (1), and the fan switch (21), the fan (9) and the storage battery (19) are arranged in series.
6. The road dust cleaning and collecting device of claim 1, wherein: a first handle (22) is fixedly connected to one side of the first drawer (11), and a second handle (23) is fixedly connected to one side of the second drawer (17).
7. The road dust cleaning and collecting device of claim 1, wherein: the four universal wheels are fixedly connected to the bottom of the box body (1) and are evenly distributed, and the handrail is fixedly connected to one side of the box body (1).
CN201921283232.7U 2019-08-09 2019-08-09 Dust cleaning and collecting equipment for roads Expired - Fee Related CN210684575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921283232.7U CN210684575U (en) 2019-08-09 2019-08-09 Dust cleaning and collecting equipment for roads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921283232.7U CN210684575U (en) 2019-08-09 2019-08-09 Dust cleaning and collecting equipment for roads

Publications (1)

Publication Number Publication Date
CN210684575U true CN210684575U (en) 2020-06-05

Family

ID=70896242

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921283232.7U Expired - Fee Related CN210684575U (en) 2019-08-09 2019-08-09 Dust cleaning and collecting equipment for roads

Country Status (1)

Country Link
CN (1) CN210684575U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112663465A (en) * 2020-12-15 2021-04-16 韦宗松 Bridge construction equipment of environment-friendly
CN114703785A (en) * 2022-04-29 2022-07-05 陕西黑松环保科技有限公司 Sweeper based on satellite positioning and big data control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112663465A (en) * 2020-12-15 2021-04-16 韦宗松 Bridge construction equipment of environment-friendly
CN112663465B (en) * 2020-12-15 2023-09-26 广东国大建工集团有限公司 Environment-friendly bridge construction equipment
CN114703785A (en) * 2022-04-29 2022-07-05 陕西黑松环保科技有限公司 Sweeper based on satellite positioning and big data control

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Granted publication date: 20200605