Road multifunctional cleaning comprehensive device and method and maintenance truck

Abstract

The invention belongs to the technical field of road maintenance equipment, and particularly relates to a multifunctional comprehensive cleaning device and method for a road and a maintenance vehicle. In order to solve the problems of low working efficiency, high labor intensity, poor cleaning effect and high operation cost of road crack grass cleaning, steel plate guardrail cleaning and middle division belt garbage cleaning, three-dimensional movement of the three-section mechanical arm is realized through the swing oil cylinder and the lifting oil cylinder. The steel wire brush device can flexibly swing to clean gap grass, the sweeping and rolling device can spray water to clean a steel plate guardrail, and the disc brush device can clean garbage in a middle dividing belt. The all-in-one machine integrates multiple functions, the working efficiency is improved, the labor intensity is reduced, the cleaning effect is remarkably improved, meanwhile, the operation cost of equipment purchase, maintenance, energy consumption and the like is reduced, and an efficient and economical solution is provided for road cleaning.

Description

Technical Field

[0001] The present invention belongs to the technical field of road maintenance equipment, and particularly relates to a multifunctional highway cleaning integrated device, method and maintenance vehicle. Background Art

[0002] With the continuous development of highway construction, the daily maintenance work of highways has become increasingly important. Weeds often grow in the cracks of highways. These weeds not only affect the beauty of the highways, but may also damage the highway structure. The continuous growth of the roots of the weeds may cause the expansion of road surface cracks and reduce the service life of the highways. The steel guardrails of highways are exposed to the outdoors for a long time, and are eroded by wind and rain, vehicle exhaust and dust. A large amount of dirt will accumulate on the surface, which not only affects its protective performance, but also reduces its aesthetic degree. At the same time, the median strip of the highway, as an important facility for separating oncoming traffic flows and ensuring driving safety, its daily maintenance work is crucial. Various garbage often accumulates in the median strip, such as beverage bottles, packaging bags discarded by pedestrians, fragment debris dropped by vehicles, and natural fallen leaves, dead branches, etc. These garbage not only affect the beauty of the highway, but may also block the drainage system, resulting in water accumulation, and further damage the vegetation and infrastructure in the median strip.

[0003] At present, for the cleaning of weeds in highway cracks, manual pulling or simple weeding tools are mainly used. This method has low efficiency, high labor intensity, and it is difficult to completely remove the roots of the weeds. For the cleaning of steel guardrails, manual cleaning tools are mostly used for scrubbing, or some simple cleaning equipment, such as high-pressure water guns, etc. Manual cleaning has extremely low efficiency, and there are great safety risks for the cleaning personnel to work on the road; while the high-pressure water gun can remove dirt to a certain extent, but the cleaning effect on stubborn stains is not good, and it will cause a large amount of water resource waste. And the garbage in the median strip mainly relies on manual cleaning, and the maintenance workers use cleaning tools to work beside the traffic flow. This method has extremely low efficiency, high labor intensity, and the workers are near high-speed vehicles, posing great safety risks. For stubborn stains, dust, etc. in the median strip, manual cleaning is also extremely difficult and will consume a large amount of manpower and water resources.

[0004] Currently, the existing highway crack weed cleaning equipment, steel guardrail cleaning equipment and median strip garbage cleaning equipment are usually separate. When carrying out highway maintenance operations, three kinds of equipment need to be carried separately, which increases the operation cost and time cost. Therefore, it has important practical significance to develop an integrated machine that can efficiently clean highway crack weeds, clean steel guardrails and clean median strip garbage at the same time. Summary of the Invention

[0005] The present invention provides a multi-functional highway cleaning integrated device, method and maintenance vehicle to solve the technical problems existing in the prior art, such as low working efficiency, high labor intensity, poor cleaning effect in the cleaning of highway gap grass, cleaning of steel guardrails and cleaning of median strip garbage, and high operation cost caused by equipment separation.

[0006] To achieve the above object, the present invention adopts the following technical solutions: A multi-functional highway cleaning integrated device includes a robotic arm structure. The robotic arm structure includes three sections of robotic arms, namely the first section arm, the second section arm and the third section arm. One end of the second section arm is connected to one end of the first section arm through a second swing oil cylinder, and one end of the third section arm is connected to the other end of the second section arm through a third swing oil cylinder. A lifting oil cylinder is arranged on the second section arm, and the second section arm is lifted and lowered through the lifting oil cylinder. The first section arm, the second section arm and the third section arm swing left and right through the swing oil cylinders. The other end of the third section arm is connected with a wire brush device. A hydraulic motor and a wire brush are arranged on the wire brush device, and the wire brush is connected to the output end of the hydraulic motor.

[0007] A bolt connecting plate is welded on the other end of the third section arm. A wire brush connecting bracket corresponding to the bolt connecting plate is arranged on the wire brush device. The wire brush connecting bracket is installed on the bolt connecting plate through bolt connection. An articulated device is arranged on the wire brush connecting bracket. Wire brushes are installed at both ends of the articulated device. Springs are connected between both ends of the articulated device and the wire brush connecting bracket. When the wire brush device is subjected to the resistance of highway gap grass, the wire brush device has a tendency to swing around the articulated device as the axis. The springs play an automatic obstacle avoidance role during the cleaning process.

[0008] A negative pressure air duct is arranged on the robotic arm structure. The negative pressure air duct is installed at the rear end of the wire brush device and is used for collecting and processing the cleaned highway gap grass.

[0009] A bolt connecting plate is welded on the other end of the third section arm. A sweeping roller device is installed on the bolt connecting plate through bolts. The sweeping roller device includes a sweeping roller and a sweeping roller motor. The sweeping roller is installed below the rotating shaft of the sweeping roller motor.

[0010] A sweeping roller connecting bracket corresponding to the bolt connecting plate is arranged on the sweeping roller device. A sweeping roller protection frame and a water spraying rod are welded on the sweeping roller connecting bracket. The water outlet of the water spraying rod extends to the lower end of the sweeping roller. Brush hairs are installed on the sweeping roller. First, the water spraying rod sprays water to clean the highway steel guardrail, and then the sweeping roller motor drives the sweeping roller to rotate to complete the cleaning of the steel guardrail.

[0011] On the other end of the third arm, a bolt connecting plate is welded. A disk brush device is installed on the bolt connecting plate through bolts. A disk brush connecting bracket corresponding to the bolt connecting plate is arranged on the disk brush device. A power motor is installed on the disk brush connecting bracket. The lower end of the rotating shaft of the power motor is connected with a disk brush. The power motor drives the disk brush to rotate to clean and collect the garbage on the median strip of the highway.

[0012] A cleaning method for a multifunctional integrated device for roads. Start the second swing oil cylinder, the third swing oil cylinder, the lifting oil cylinder and the hydraulic motor. Under the action of the second swing oil cylinder, the second arm swings left along one end of the first arm. Under the action of the third swing oil cylinder, the third arm swings left and right along one end of the second arm. The second arm moves up and down under the action of the lifting oil cylinder. Through the up and down and left and right movements of the first arm, the second arm and the third arm, the third arm drives the wire brush device to move freely in three dimensions. The hydraulic motor drives the wire brush to rotate at high speed to clean the weeds in the road cracks.

[0013] When it is necessary to clean the steel guardrail on the road, replace the wire brush device with a sweeping roller device. Connect the sweeping roller device to the end of the third arm. Control the up and down and left and right movements of the first arm, the second arm and the third arm so that the sweeping roller contacts the steel guardrail. Turn on the water spray rod to spray water on the steel guardrail for cleaning. Start the sweeping roller motor to rotate, driving the sweeping roller to clean the steel guardrail.

[0014] When it is necessary to clean the median strip on the road, replace the wire brush device with a disk brush device. Connect the disk brush device to the end of the third arm. Control the up and down and left and right movements of the first arm, the second arm and the third arm so that the disk brush device contacts the median strip. Drive the disk brush to clean and collect the garbage on the median strip through the rotation of the power motor.

[0015] A multifunctional integrated maintenance vehicle for roads includes a front mounting bracket. The robotic arm structure is connected to the front mounting bracket through a first swing oil cylinder. When working, start the first swing oil cylinder, and the robotic arm structure can swing left and right 180 degrees on the front mounting bracket. And the front mounting bracket is installed on the road cleaning vehicle.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The integrated wire brush device, sweeping roller device and disc brush device of the present invention can be respectively used for cleaning weeds in the gaps of roads, cleaning steel guardrails, and sweeping garbage in the median strip. Through the swinging and lifting of the robotic arm, different working modes can be quickly switched without frequently replacing equipment or adjusting the operation layout. Compared with traditional separate devices, the operation preparation time is greatly reduced, and the overall work efficiency is improved. The device is hydraulically driven, and the robotic arm can move freely in three-dimensional directions. The operator only needs to operate at the control end to complete various cleaning actions, without direct manual participation in heavy cleaning work, reducing the labor intensity and the input of manpower. The wire brush device is equipped with a hinge device and a spring, which can swing slightly and avoid obstacles automatically, and can clean the weeds in the gaps of roads more thoroughly; the sweeping roller device is equipped with a water spraying rod, which can clean the steel guardrail while spraying water, making the cleaning cleaner; the disc brush device can rotate at high speed driven by a power motor, effectively collecting the garbage in the median strip. Each device is designed specifically, optimizing the cleaning effect. In the traditional method, different cleaning tasks require different devices, resulting in high equipment purchase and maintenance costs, and high energy consumption for multiple device operations. However, this integrated road cleaning machine integrates multiple functions, reduces the number of equipment purchases, lowers the maintenance costs and energy consumption, and also reduces related costs such as equipment transportation, effectively reducing the operation cost. Description of the Drawings

[0017] Figure 1 : General structure schematic diagram of the multi-functional road cleaning integrated device; Figure 2 : General structure schematic diagram of the steel guardrail cleaning device; Figure 3 : General structure schematic diagram of the median strip sweeping device Figure 4 : Schematic diagram of the robotic arm mechanism; Figure 5 : Structure schematic diagram of the wire brush device; Figure 6 : Structure schematic diagram of the sweeping roller device; Figure 7 : Structure schematic diagram of the disc brush device.

[0018] Reference numeral description: 1, front mounting bracket; 2, robotic arm structure; 3, wire brush device; 4, sweeping roller device; 5, disc brush device; 20, swing cylinder; 201, first swing cylinder; 202, second swing cylinder; 203, third swing cylinder; 21, first arm; 22, second arm; 23, third arm; 24, bolt connection plate; 25, lifting cylinder; 31, hydraulic motor; 32, wire brush; 33, hinge device; 34, spring; 41, sweeping roller; 42, sweeping roller motor; 43, water spraying rod; 44, water spraying shield frame; 51, disc brush; 52, power motor. Detailed Implementation Modes

[0019] To further understand the content of the present invention, the following will describe the present invention in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments are only for explaining the present invention rather than limiting it.

[0020] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] As Figures 1 to 4 shown, a multi-functional highway cleaning integrated device includes a robotic arm structure 2. The robotic arm structure 2 is movably connected to a front mounting bracket 1 through a first swing cylinder 201. The robotic arm structure 2 includes three sections of robotic arms, namely a first section arm 21, a second section arm 22, and a third section arm 23. One end of the second section arm 22 is connected to one end of the first section arm 21 through a second swing cylinder 202, and one end of the third section arm 23 is connected to the other end of the second section arm 22 through a third swing cylinder 203. A lifting cylinder 25 is provided on the second section arm 22, and the second section arm 22 is lifted and lowered through the lifting cylinder 25. The first section arm 21, the second section arm 22, and the third section arm 23 swing left and right through the swing cylinders. The other end of the third section arm 23 is welded with a bolt connection plate 24, and a number of bolt holes are provided on the bolt connection plate 24. The cleaning device is fixed to the bolt connection plate 24 of the third section arm 23 through a bolt structure. The cleaning device includes a wire brush device 3, a sweeping roller device 4, and a disk brush device 5. The wire brush device 3, the sweeping roller device 4, and the disk brush device 5 are all provided with connection brackets corresponding to the bolt connection plate 24. A wire brush connection bracket is provided on the wire brush device 3, a sweeping roller connection bracket is provided on the sweeping roller device 4, and a disk brush connection bracket is provided on the disk brush device 5. The wire brush device 3, the sweeping roller device 4, and the disk brush device 5 can be disassembled and installed through bolt connections, so as to complete the cleaning of weeds in the highway gap, the cleaning of the steel guardrail, and the cleaning of the median strip, thereby realizing multi-purpose functions with one machine.

[0022] As Figure 5 shown, the wire brush device 3 includes a hydraulic motor 31, a wire brush 32, a hinge device 33, and a spring 34. The hinge device 33 is connected to the wire brush connection bracket. Hydraulic motors 31 are provided at both ends of the hinge device 33. The output end of the hydraulic motor 31 is connected to a wire brush 32. Springs 34 are connected between both ends of the hinge device 33 and the wire brush connection bracket. The hinge device 33 and the spring 34 are installed on the wire brush device 3. When the wire brush device 3 is working, it can complete small-amplitude swings through the hinge device 33, increase the cleaning range, and make the cleaning of weeds in the highway gap cleaner. Springs 34 are installed on both sides to achieve automatic obstacle avoidance and prevent the wire brush device 3 from being damaged by collision.

[0023] As Figure 6As shown, the sweeping and rolling device 4 includes a sweeping and rolling part 41 and a sweeping and rolling motor 42. The sweeping and rolling part 41 is installed below the rotating shaft of the sweeping and rolling motor 42. A sweeping and rolling guard frame 44 and a water spraying rod 43 are welded on the sweeping and rolling connecting bracket. The water outlet of the water spraying rod 43 extends to the lower end of the sweeping and rolling part 41. When the water spraying rod 43 is turned on, the water spraying rod 43 sprays water on the steel plate guardrail for cleaning, and then the sweeping and rolling motor 42 drives the sweeping and rolling part 41 to clean the steel plate guardrail that has been sprayed with water.

[0024] As Figure 7 shown, a power motor 52 is installed on the disk brush connecting bracket. The lower end of the rotating shaft of the power motor 52 is connected to a disk brush 51. The power motor 52 drives the disk brush 51 to rotate, so that the disk brush 51 cleans and collects the garbage on the median strip.

[0025] A multifunctional highway cleaning comprehensive device proposed in this embodiment can carry out cleaning work on highway gap grass, steel plate guardrails and median strips. The specific implementation method is as follows: Start the second swing oil cylinder 202 and the third swing oil cylinder 203. The first boom 21, the second boom 22 and the third boom 23 extend under the drive of the second swing oil cylinder 202 and the third swing oil cylinder 203. Through the up and down and left and right movement of the first boom 21, the second boom 22 and the third boom 23, the third boom 23 drives the three-dimensional free movement of the wire brush device 3, adjusts the working distance of the cleaning device, and makes the cleaning device close to the place to be cleaned.

[0026] When it is necessary to clean the highway gap grass on the highway, select the wire brush device 3 as the cleaning device. Use a number of bolts to connect and fix the wire brush connecting bracket of the wire brush device 3 with the bolt connecting plate. Start the lifting oil cylinder 25. The second boom 22 realizes the lifting movement under the drive of the lifting oil cylinder 25, so that the wire brush device 3 approaches the highway gap grass. At the same time, start the hydraulic motor 31. The hydraulic motor 31 drives the wire brush 32 to rotate at high speed to clean the highway gap grass on the highway.

[0027] In a further preferred solution of the present invention, a negative pressure air duct is also provided on the robotic arm structure 2. The negative pressure air duct is installed at the rear end of the wire brush device 3 and is used to collect the cleaned highway gap grass. When the wire brush device 3 cleans the highway gap grass, the negative pressure air duct collects the cleaned highway gap grass for centralized treatment.

[0028] When it is necessary to clean the steel guardrail on the road, replace the wire brush device 3 with the sweeping roller device 4, connect the sweeping roller device 4 to the end of the third boom 23, control the up and down and left and right movements of the first boom 21, the second boom 22 and the third boom 23, so that the sweeping roller 41 contacts the steel guardrail, turn on the water spraying rod 43 to spray water on the steel guardrail for cleaning, and start the sweeping roller motor 42 to rotate, driving the sweeping roller 41 to clean the steel guardrail.

[0029] When it is necessary to clean the median strip on the road, replace the wire brush device 3 with the disk brush device 5, connect the disk brush device 5 to the end of the third boom 23, control the up and down and left and right movements of the first boom 21, the second boom 22 and the third boom 23, so that the disk brush device 5 contacts the median strip, and drive the disk brush 51 to clean and collect the garbage on the median strip by the rotation of the power motor 52.

[0030] Embodiment 2 This embodiment provides a multi-functional highway cleaning and comprehensive maintenance vehicle, and its specific implementation method is as follows: Since the existing equipment for cleaning weeds in the highway gap, cleaning the steel guardrail and cleaning the median strip are usually different; when carrying out highway maintenance operations; the cleaning device cannot integrate the three types of equipment, and it is necessary to replace the cleaning device to clean different cleaning locations, which increases the operation cost and time cost. Therefore, this embodiment provides a multi-functional highway cleaning comprehensive device, method and maintenance vehicle, and its specific implementation method is as follows: In the normal state, the robotic arm structure 2 is movably connected to the front mounting bracket 1 in front of the vehicle head through the action of the first swing oil cylinder 201, which is convenient for the cleaning vehicle to drive safely. The robotic arm structure 2 can swing left and right along the front mounting bracket 1 under the action of the first swing oil cylinder 201; when it is necessary to clean the weeds in the highway gap, the steel guardrail and the median strip; it is necessary to first drive the cleaning vehicle to the vicinity of the steel guardrail or the median strip on one side of the highway, so as to facilitate the cleaning vehicle to enter the working state later. When no work is required, the first boom 21, the second boom 22 and the third boom 23 in the robotic arm structure 2 are in a retracted state to save space.

[0031] Before starting the cleaning work, first adjust the working distance of the robotic arm structure 2 through the second oil cylinder 202 and the third swing oil cylinder 203. Then, through the lifting action of the lifting oil cylinder 25 on the second boom 22, bring the cleaning device into contact with the cleaning position. When cleaning the weeds in the highway gap and sweeping the median strip, lower the second boom by extending the lifting oil cylinder 25. When cleaning the steel guardrail, raise the second boom by contracting the lifting oil cylinder 25 to reach the appropriate working position. During the work process, the cleaning vehicle travels forward along the highway. The wire brush 32 installed on the third boom 23 can be pressed against the weeds in the highway gap, the sweeping roller 41 is pressed against the steel guardrail, and the disk brush 51 is pressed against the median strip. As the wire brush device 3, the sweeping roller device 4, and the disk brush device 5 rotate under the action of the motor, the cleaning of the weeds in the highway gap, the cleaning of the steel guardrail, and the sweeping of the median strip are completed.

[0032] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art. The above content is only to illustrate the technical idea of the present invention and cannot be used to limit the protection scope of the present invention. Any modification made on the basis of the technical solution according to the technical idea proposed by the present invention falls within the protection scope of the claims of the present invention.

Claims

1. A multi-functional comprehensive highway cleaning device, characterized in that, It includes a robotic arm structure (2). The robotic arm structure (2) consists of three sections of robotic arms, namely the first section arm (21), the second section arm (22), and the third section arm (23). One end of the second section arm (22) is connected to one end of the first section arm (21) through a second swing oil cylinder (202). One end of the third section arm (23) is connected to the other end of the second section arm (22) through a third swing oil cylinder (203). A lifting oil cylinder (25) is provided on the second section arm (22). The second section arm (22) is lifted and lowered through the lifting oil cylinder (25). The first section arm (21), the second section arm (22), and the third section arm (23) swing left and right through the said swing oil cylinders. The other end of the third section arm (23) is connected to a wire brush device (3). A hydraulic motor (31) and a wire brush (32) are provided on the wire brush device (3). The wire brush (32) is connected to the output end of the hydraulic motor (31).

2. The multifunctional integrated highway cleaning device according to claim 1, wherein, A bolt connection plate (24) is welded on the other end of the third section arm (23). A wire brush connection bracket corresponding to the bolt connection plate (24) is provided on the wire brush device (3). The wire brush connection bracket is installed on the bolt connection plate (24) through bolt connection. A hinge device (33) is provided on the wire brush connection bracket. Wire brushes (32) are installed at both ends of the hinge device (33). Springs (34) are connected between both ends of the hinge device (33) and the wire brush connection bracket. When the wire brush device (3) is subjected to the resistance of the weeds in the highway gap, the wire brush device (3) has a tendency to swing around the hinge device (34) as the axis. The spring has the function of automatically avoiding obstacles during the cleaning process.

3. The multifunctional comprehensive highway cleaning device according to claim 2, wherein, A negative pressure air duct is provided on the robotic arm structure (2). A negative pressure air duct is also provided on the hinge device (33). The negative pressure air duct is installed at the rear end of the wire brush device (3) and is used for collecting and processing the weeds in the highway gap after cleaning.

4. The multi-functional comprehensive highway cleaning device according to claim 2, wherein A bolt connection plate (24) is welded on the other end of the third section arm (23). A sweeping roller device (4) is installed on the bolt connection plate (24) through bolt connection. The sweeping roller device (4) includes a sweeping roller (41) and a sweeping roller motor (42). The sweeping roller (41) is installed below the rotating shaft of the sweeping roller motor (42).

5. A multifunctional comprehensive highway cleaning device according to claim 4, characterized in that, A sweeping roller connection bracket corresponding to the bolt connection plate (24) is provided on the sweeping roller device (4). A sweeping roller guard frame (44) and a water spraying rod (43) are welded on the sweeping roller connection bracket. The water outlet of the water spraying rod (43) extends to the lower end of the sweeping roller (41). Brush hairs are installed on the sweeping roller (41). First, the water spraying rod (43) sprays water to clean the highway steel guardrail, and then the sweeping roller motor (42) drives the sweeping roller (41) to rotate to complete the cleaning of the steel guardrail.

6. The multifunctional integrated highway cleaning device according to claim 2, wherein A bolt connecting plate (24) is welded to the other end of the third boom (23). A disc brush device (5) is installed on the bolt connecting plate (24) through bolt connection. A disc brush connection bracket corresponding to the bolt connecting plate (24) is provided on the disc brush device (5). A power motor (52) is installed on the disc brush connection bracket. The lower end of the rotating shaft of the power motor (52) is connected to a disc brush (51). The power motor (52) drives the disc brush (51) to rotate to clean and collect the garbage on the median strip of the highway.

7. A cleaning method for a multi-functional comprehensive device for roads, based on the multi-functional cleaning comprehensive device for roads according to any one of claims 1 to 6, characterized in that, Start the second swing oil cylinder (202), the third swing oil cylinder (203), the lifting oil cylinder (25) and the hydraulic motor (31). Under the action of the second swing oil cylinder (202), the second boom (22) swings left along one end of the first boom (21). Under the action of the third swing oil cylinder (203), the third boom (23) swings left and right along one end of the second boom (22). The second boom (22) moves up and down under the action of the lifting oil cylinder (25). Through the up and down and left and right movements of the first boom (21), the second boom (22) and the third boom (23), the third boom (23) drives the wire brush device (3) to move freely in three dimensions. The hydraulic motor (31) drives the wire brush (32) to rotate at a high speed to clean the grass in the road cracks.

8. The cleaning method of a multi-functional integrated device for a highway according to claim 7, characterized in that, When it is necessary to clean the steel guardrail on the road, replace the wire brush device (3) with a sweeping roller device (4). Connect the sweeping roller device (4) to the end of the third boom (23). Control the up and down and left and right movements of the first boom (21), the second boom (22) and the third boom (23) so that the sweeping roller (41) contacts the steel guardrail. Open the water spraying rod (43) to spray water on the steel guardrail for cleaning. Start the sweeping roller motor (42) to rotate and drive the sweeping roller (41) to clean the steel guardrail.

9. The cleaning method of a multifunctional integrated device for highways according to claim 8, characterized in that, When it is necessary to clean the median strip on the road, replace the wire brush device (3) with a disc brush device (5). Connect the disc brush device (5) to the end of the third boom (23). Control the up and down and left and right movements of the first boom (21), the second boom (22) and the third boom (23) so that the disc brush device (5) contacts the median strip. Drive the disc brush (51) to clean and collect the garbage on the median strip through the rotation of the power motor (52).

10. A multi-functional cleaning and comprehensive maintenance vehicle for highways, based on the multi-functional cleaning and comprehensive device for highways described in any one of claims 1 to 6, characterized in that, It includes a front mounting bracket (1). The robotic arm structure (2) is connected to the front mounting bracket (1) through a first swing oil cylinder (201). When working, start the first swing oil cylinder, and the robotic arm structure (2) can swing 180 degrees left and right on the front mounting bracket (1). And the front mounting bracket (1) is installed on a road maintenance vehicle.

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