110 results about "Road sweeper" patented technology

The invention relates to the technical field of image processing, in particular to a control method and system for a sweeping brush of a sweeping vehicle based on backbone image recognition and a medium, and the method comprises the steps: obtaining a road surface image, and extracting bounding boxes of various types of garbage in the road image; determining the garbage type probability distribution of pixels in each bounding box, and calculating the cross degree of each type of garbage in combination with the garbage type probability distribution and the pixel position of each type of garbage; establishing pollution weights of the bounding boxes based on the garbage type of each pixel, and determining garbage concentration of each bounding box based on the cross degree and the pollution weight of each type of garbage in each bounding box; performing clustering analysis on each bounding box based on the garbage concentration and position distribution of each bounding box to obtain a cleaning area; determining the cleaning difficulty of the cleaning area based on the garbage concentration of each boundary frame in the cleaning area, and controlling the angle and rotating speed of the cleaning brush in each cleaning area according to the cleaning difficulty; efficient and accurate sweeping can be achieved, and the sweeping efficiency is improved.

The invention discloses an unmanned sweeper-oriented real-time working condition three-dimensional dynamic visual monitoring system, which relates to the technical field of unmanned sweeper working condition monitoring and comprises a modeling monitoring module, a region division module, a feature evaluation module, a strategy regulation and control module and a visual recording module. The region division module is used for extracting a space region with model shielding residues under the condition that the model shielding residues exist in continuous scene updating, and uniformly dividing the space region to generate a plurality of structure calibration regions; and the feature evaluation module is used for extracting the spatial modeling quality information of each structure calibration area, analyzing and evaluating the coverage distortion degree of each structure calibration area after extraction, and classifying each structure calibration area according to an evaluation result. According to the method, the problems that shielding distortion cannot be recognized and mistaken updating cannot be achieved in continuous modeling are solved, and accurate evaluation and dynamic regulation and control of local model updating are achieved.

This invention relates to a high-speed sweeper, comprising a dust collection device (6) and a sweeping device (7) disposed below a chassis (1); the dust collection device (6) includes a plurality of suction ports (62), a front rubber plate (63), a side rubber plate (64), and a roller brush (67) mounted on a suction cup body (61); the sweeping device (7) includes two front sweeping discs (71) and two rear sweeping discs (72); wherein the outermost edges of the two rear sweeping discs (72) respectively cover more than 1 / 3 of the area from the center to the outermost edge of the corresponding front sweeping disc (71) in the left and right directions; the suction area of ​​the suction cup body (61) respectively covers more than 1 / 4 of the area from the center to the outermost edge of the rear sweeping discs (72). This invention provides a high-speed sweeper with fast suction speed, no missed areas during high-speed sweeping, high sweeping efficiency, and good cleaning effect.

The application discloses a kind of pneumatic dust removal systems of rolling sweeping road sweeper, comprising: lifting frame, side rubber, rolling brush, dust suction fan, filter dust box, dust collection box, front rubber, rolling brush box, dust baffle, rolling brush box is opened in front upper portion one air inlet, when the rolling brush works, dust in the rolling brush box can be effectively guided into filter cartridge box and dust collection box inside, dust baffle is arranged on the upper portion of dust collection box, dust effectively increased to the inside of dust collection box, reduce the dust into filter cartridge, extend the plugging time of filter cartridge, enhance the filtering effect of filter cartridge to reduce the dust in the process of operation, effectively avoid the influence on passerby and secondary pollution to environment in operation, improve the cleaning quality of road sweeper.

1. The name of the design product: road sweeper. 2. The use of the design product: the product is used for road sweeping operation. 3. The design points of the design product: the shape of the product, the combination of shape and color, and the combination of shape, pattern and color. 4. The picture or photo that best shows the design points: perspective view 1. 5. The design claimed contains color. 6. The top view is omitted because the part is not easy to see or cannot be seen when in use.

The present invention discloses a data interaction system between an unmanned road sweeper and a cloud platform based on hybrid encryption, which specifically relates to the field of communication interaction information security technology, including an authority authentication module, a data encryption module, an information processing module, a master-slave authentication control module, a horizontal trust management module and a communication scheduling module. It dynamically matches encryption strategies and key templates through task scoring and mapping models, supports offline identity authentication, horizontal trust signatures and channel switching mechanisms, and improves the security of data transmission, system fault tolerance and collaborative reliability in scenarios such as task switching and network anomalies. The present invention implements a task-driven dynamic encryption matching mechanism to improve data security and resource efficiency; constructs a multi-level authentication and role signature map to enhance the collaborative credibility and fault tolerance of equipment; introduces a priority index scheduling strategy to ensure that key data is transmitted first in a highly volatile network environment, thereby improving the overall stability and security of the system.

The utility model discloses a sweeper garbage collection device based on unmanned operation, and relates to the field of garbage collection. The device comprises a garbage can, a connecting ring pipe is arranged on the garbage can, an air pipe, a high-pressure fan, a rolling brush, a pulse air pressure cabin and a filter screen are arranged outside the connecting ring pipe, the air pipe is fixedly connected to the front end of the connecting ring pipe, the high-pressure fan is installed at the top end of the connecting ring pipe and provides suction force for garbage collection, and the rolling brush is rotationally connected to the bottom of the air pipe. The pulse air pressure cabin is installed at the side end of the air pipe and used for spraying air into the air pipe, and the filter screen is fixedly connected to the upper end of the connecting ring pipe and used for intercepting garbage to be conveyed upwards continuously. According to the device, through cooperation of the pulse system and the high-pressure fan, the garbage collection efficiency and quality are effectively improved, thorough garbage collection is ensured, meanwhile, garbage and gas are separated through the filter screen, the possibility that the garbage collection device is blocked is reduced, and the stability of the device is improved.

The utility model discloses garbage separation equipment of a sweeping truck or a washing and sweeping truck, which belongs to the technical field of garbage separation and comprises a shell, a first flushing device, a first conveying device, a second conveying device, a first separation tank and a second separation tank. The first separating tank is communicated with the feeding port and the first discharging port, the second separating tank is communicated with the second discharging port, a filtering piece is arranged between the first separating tank and the second separating tank, the first flushing device is installed at the feeding port, the first conveying device is installed in the first separating tank, and the second conveying device is installed in the second separating tank. Liquid is sprayed through the first cleaning device, the effects of dust falling, liquid supplementing and garbage cleaning are achieved, mud and sand can be separated into water and enter the second separation tank through the filtering piece, the separation equipment is simple in structure and low in cost, and the mud and sand separation effect can be improved by cleaning garbage through the first flushing device.

The invention discloses a motor sweeper with a sweeping mechanism, which comprises a sweeper body, a group of storage grooves arranged below the sweeper body, and a sweeping assembly arranged in the storage grooves, and the sweeping assembly comprises a side brush assembly used for sweeping the ground, the first driving assembly is used for controlling the side brush assembly to ascend / descend from the containing groove, and the second driving assembly is used for controlling the side brush assembly to rotate towards the inner side edge / the outer side edge from the lower portion of the vehicle body. Through cooperative control of the first driving assembly and the second driving assembly, the brush disc can adapt to different road conditions to complete composite motion with the vertical lifting adjustment range of + / -10 cm and the horizontal swing angle of + / -45 degrees. The problem that due to the fact that traditional bristles are arranged in a flush mode, the dust removal rate of areas such as brick joints and asphalt pavement holes is poor is effectively solved, gap dust removal is improved, and internal dust absorption and external dust synchronous inhibition are carried out through cooperation of a dust falling assembly and an internal absorption area for serious secondary dust raising.

The invention provides automatic cleaning equipment for a livestock trough and a sweeper truck, and relates to livestock feeding equipment, and the equipment comprises a mounting frame which can be fixedly mounted on one side of the sweeper truck; the rear end of the rotating frame is rotatably connected with the mounting frame; the suction pipe is a foldable corrugated pipe, is connected with negative pressure pumping equipment and is fixedly mounted on the rotating frame; the sucking disc mechanism comprises a disc body and a plurality of rollers arranged at the bottom of the disc body; the lifting mechanism drives the sucker mechanism to lift; and the swinging mechanism drives the rotating frame to rotate. The device has the beneficial effects that the swing mechanism drives the suction cup mechanism to extend outwards, the lifting mechanism drives the suction cup mechanism to descend and fall into the livestock feed trough, the road sweeper walks to drive the suction cup mechanism to walk in the livestock feed trough, residual feed in the livestock feed trough is adsorbed and collected under the negative pressure action of a suction pipe, and automatic cleaning of the residual feed in the livestock feed trough is achieved; the working efficiency is greatly improved; the cleaning degree of the trough is improved, and feed health is guaranteed.

The utility model provides a preceding-stage sweeping system of a road sweeper, which is characterized in that a left liftable garbage sweeping head and a right liftable garbage sweeping head are hung below the middle part of a girder of a frame through a hanging bracket, and an inclined garbage conveying belt with a low front part and a high rear part is arranged at the middle line position behind the two garbage sweeping heads; the front end of the garbage conveying belt extends into the overlapping position of the strip brushes on the adjacent sides of the two garbage cleaning heads, and the two garbage cleaning heads are provided with limiting mechanisms so that the strip brushes can be automatically lifted when rotating to pass through the front end of the garbage conveying belt. In the working process, the strip brushes with the two garbage sweeping heads rotating reversely can continuously sweep garbage from the side of the vehicle body to the middle line of the vehicle body and feed the garbage into the front end of the garbage conveying belt which is obliquely erected, and then the garbage conveying belt conveys the garbage to the rear upper portion. The system is short in garbage sweeping and conveying path, reasonable in structural connection, high in working efficiency and simple in component, the manufacturing cost can be reduced, and the garbage sweeping head can move out of the left side or the right side of the vehicle body by a certain distance to sweep curbstone corners on the two sides of a road.

1. The name of the design product: road sweeper (I). 2. The use of the design product: the design product is used for road sweeping operation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The bottom view of the design product is not easy to see or not visible during use, so the bottom view is omitted; the top view has been embodied in perspective view 1 and perspective view 2, so the top view is omitted.

The utility model provides a sweeper truck structure, which aims to at least solve the problem that the existing unloading is limited by improving the sweeper truck structure. The sweeper truck structure comprises a truck body, a collecting box and a first driving assembly, the collecting box is connected with the truck body through the first driving assembly, and the first driving assembly at least can drive the collecting box to move up and down relative to the truck body in the height direction; the collecting box is provided with a discharging port used for discharging materials to the outside, the discharging port is located at the bottom of the collecting box, the collecting box is further provided with a cover plate used for blocking the discharging port, and the cover plate can turn over relative to the collecting box so as to open or close the discharging port. By the adoption of the sweeper truck structure in the scheme, the collecting box can be lifted to different heights, so that the collecting box is matched with garbage cans with different heights, and the adaptability of the sweeper truck is improved.

The utility model discloses a dust suction port, fallen leaf collecting device and sweeper truck relates to urban cleaning technical field, including shell and suction port flashboard, the interior of shell is provided with a dust suction channel, the dust suction channel vertically extends upwards from shell bottom, the bottom of dust suction channel is provided with bottom opening, the side face of dust suction channel close to bottom is provided with suction port, and the suction port flashboard is provided with the bottom opening. The bottom opening is connected and communicated with the suction port, a suction port insertion plate is arranged at the suction port, the suction port insertion plate can move towards the suction port to cover the suction port and move away from the suction port to expose the suction port, and the size of the suction port can be changed through the shape and the structure of the suction port to prevent blockage; the dust collection effect of the fallen leaf collecting device using the dust collection opening and the sweeping machine is greatly improved.

The utility model relates to the technical field of electric road sweeping vehicles, and provides a pneumatic pipe cleaning anti-freezing device for an electric road sweeping vehicle, which comprises a pneumatic pipe cleaning anti-freezing component, the pneumatic pipe cleaning anti-freezing component consists of a protective shell, a three-way ball valve and an air pipe, the three-way ball valve is mounted in the protective shell, and the air pipe is mounted in the protective shell. Two straight-through ports of the three-way ball valve are connected with the water tank and the water filter through pipelines respectively, one side of the water filter is connected with the water drainage ball valve through a pipeline, the top end of the water filter is connected with the water-cooled oil cooler through a pipeline, the water-cooled oil cooler is connected with the water pump through a pipeline, and the water pump is connected with the spray head through a pipeline. By means of the filtering structure and the filtering net, a high-pressure air source sprayed out of the air pipe can be filtered, the situation that dust and impurities block the pipeline is avoided, the first adjusting lead screw is rotated, the first sealing disc and the second sealing disc are separated, the filtering net is taken out of the groove, and the purpose of replacing the filtering net can be achieved.

The embodiment of the application provides a fan system and a road sweeper, and relates to the technical field of sanitation sweepers. The road sweeper comprises a fan system, the fan system comprises a first fan module, a second fan module and a converging air outlet piece. The first fan module has a first air outlet channel, the second fan module has a second air outlet channel, the converging air outlet piece comprises a converging section and first and second air outlet channels arranged at an angle and connected in communication, one end of the first air outlet channel is connected with the first air outlet channel, the other end of the first air outlet channel is connected with the converging section, one end of the second air outlet channel is connected with the second air outlet channel, and the other end of the second air outlet channel is connected with the converging section. The cross-sectional dimension of the converging section is greater than the cross-sectional dimension of the first air outlet channel and the cross-sectional dimension of the second air outlet channel, and the converging air outlet piece can converge the first air outlet channel and the second air outlet channel and reduce the loss when air flows converge. While meeting the high-speed road sweeper's demand for large air volume, the space occupation of the fan system is compressed.

The embodiment of the utility model provides a kind of suction nozzle and road sweeper, it is related to road sweeper field.The suction nozzle is used for road sweeper, it includes suction nozzle body and rotating shaft structure, rotating shaft structure is connected in suction nozzle body, rotating shaft structure includes rotating shaft, first bearing, first rotary seat, reset piece, driving part, second bearing and second rotary seat, first bearing is sleeved in rotating shaft, first rotary seat is sleeved in first bearing, first rotary seat is connected by first bearing and rotating shaft, first rotary seat includes connecting plate, reset piece and connecting plate are connected, and reset piece is used to and water jet rod is connected, driving part and connecting plate are connected to drive connecting plate movement, second bearing is sleeved in rotating shaft, and second bearing and first bearing are up and down distribution.First rotary seat and second rotary seat form up and down structure by first bearing and second bearing, reduce the overall outline dimension of rotating shaft structure, reduce the number of bearing, simplify overall structure, realize light weight design.

The utility model relates to the technical field of road sweeping, in particular to a small road sweeper efficient dust collection filtering device which comprises a sweeping vehicle body, a fixed box is fixedly installed on the inner wall of the sweeping vehicle body, and a movable box is connected to the inner wall of the sweeping vehicle body in a sliding mode. The cleaning device has the advantages that through cooperation of the cleaning vehicle body, the fixed box, the movable box, the opening, the sealing seat, the filter screen, the corrugated pipeline, the air suction cover, the motor, the lead screw and the connecting seat, the lead screw can be driven to rotate through operation of the motor, so that the movable box and the fixed box are separated; and through cooperation of a sealing groove, a first sealing block and an extrusion block, the sealing performance between the fixed box and the movable box can be improved, and the sealing effect of the movable box and the fixed box is improved. And the dust collecting and filtering effects can be better when the sweeping vehicle conducts sweeping operation.

The application discloses a dust removal system and a dry road sweeper, and relates to the dust removal field. The dust removal system comprises a dust removal device, a suction device and a self-cleaning device. The dust removal device is provided with a separation cavity, an air inlet, a filter outlet and a self-cleaning opening. The outlet of the suction device is connected with the air inlet, and the self-cleaning device is configured to cooperate with the self-cleaning opening to clean the dust removal device. The self-cleaning device can selectively connect the dust removal device and the suction device to realize the self-cleaning of the dust removal system or the switching of the dust removal mode. According to the dust removal system and the dry road sweeper, dust can be cleaned and maintained by using the suction mode, and the dust raising is low. Meanwhile, the road sweeper can be cleaned and maintained at any time and any place by using the road sweeper as a power source and the self-cleaning device, and the suction performance is better.

The utility model provides a kind of automatic driving road sweeper with solid-liquid separation device, including garbage collection box, the garbage collection box front end is equipped with box door by multiple hinges, the garbage collection box upper end is equipped with hydraulic rod, the movable end of hydraulic rod is equipped with pressing plate, and the pressing plate is horizontally located in the garbage collection box inside upper end, garbage inlet is opened in the garbage collection box right end upper side, the garbage collection box right end is equipped with two bending seats by multiple bolts, the design solves the existing sweeper due to lack of special solid-liquid separation device, garbage is in the form of "mud" after collection, leading to garbage storage tank volume utilization rate is low;And liquid is easy to leak and pollute the road in the process of transportation, the utility model adopts garbage collection and hydraulic structure, can collect, compress and multiple solid-liquid separation to the solid-liquid mixed road garbage, to achieve the effective separation of liquid, solid particle and solid garbage.

The utility model relates to the technical field of road sweeping brushes, and provides a road sweeping brush with an anti-collision function, which comprises a support frame, a plurality of groups of mounting holes are uniformly arranged on the support frame, a protection device for protecting the road sweeping brush is arranged on the support frame, and a cleaning device for preventing dust particles from diffusing is arranged on the support frame. The supporting column rotates to drive the gear to rotate, the gear rotates to drive the gear rings on the two sides of the gear to rotate, the gear rings synchronously rotate on the reciprocating lead screw so that the reciprocating lead screw can do up-and-down reciprocating motion on the supporting frame, and the reciprocating lead screw drives the supporting ring and the protective ring on the supporting ring to move up and down. Under the condition that work of the sweeping brush is not affected, the protection range of the sweeping brush is expanded, and the situation that the sweeping brush is damaged due to the fact that the sweeping brush collides with other objects during work is avoided.

The invention provides a sweeping device for the ground below a road isolation fence and a sweeper applying the sweeping device, and belongs to the technical field of urban cleaning equipment.The sweeping device comprises a driving part, a fixing seat of the driving part is arranged in front of a vehicle, and the driving part is provided with a swing rod; and the sweeping part comprises an avoiding assembly and a flushing assembly, the avoiding assembly is connected with the swing rod, and the flushing assembly is connected with the bottom of the avoiding assembly. The universal avoiding assembly is matched with the flushing assembly below the universal avoiding assembly to carry out operation, and a plurality of water spraying openings or air spraying openings of the flushing assembly can be used in an interchangeable mode and form a certain angle with the advancing direction; in summer, the water spraying opening flushes the ground on the side, facing the road sweeper, below the guardrail, in winter, the air spraying opening blows snow and mud to the ground on the side, facing the road sweeper, below the guardrail, and when the guardrail meets a guardrail base and a guardrail stand column, the avoiding assembly achieves avoiding, so that the mechanism automatically avoids the base and the stand column and then rapidly resets, and the safety of the guardrail is guaranteed. And the next washing operation is repeated.

The invention provides an air circulation sweeping system of a road sweeper applying a regenerative airflow technology, which belongs to the field of road sweepers and comprises a blowing and sucking integrated suction nozzle, a garbage can, a gas-solid separation unit and a centrifugal fan. The blowing and sucking integrated suction nozzle comprises a sweeping shell, the sweeping shell is divided into an air outlet cavity and an air inlet cavity, the lower end of the air outlet cavity is open and can be tightly attached to the ground, and the upper end of the air outlet cavity communicates with a first air outlet. An air knife nozzle is arranged at the lower end of the air inlet chamber and is communicated with the air outlet chamber; the upper end of the air inlet chamber is communicated with an air inlet I; the garbage can is connected with a first air outlet of the blowing and sucking integrated suction nozzle, gas-solid separation units of different levels are distributed in the garbage can and on the rear portion of the garbage can, and the gas-solid separation unit on the rear portion is connected with the air inlet end of the centrifugal fan. The air outlet end of the centrifugal fan communicates with the first air inlet of the blowing and sucking integrated suction nozzle. The cleaning system has the beneficial effects that the power of the cleaning system is reduced, the high energy efficiency ratio is achieved, and a large amount of water resources are saved.

The utility model discloses a road sweeper rolling brush structure easy to maintain, which comprises a housing, the housing comprises a roller cavity and a garbage throwing and sweeping cavity which are obliquely arranged, the garbage throwing and sweeping cavity is formed at the upper end of the roller cavity, a plurality of rollers are arranged in the roller cavity, the rollers are rotatably connected between two inner walls of the housing, and the garbage throwing and sweeping cavity is arranged in the housing. A side cover plate assembly is fixed to one side of the housing, a positioning plate is fixed to the other side of the housing, a belt wheel assembly is fixedly inserted into the positioning plate, a second inserting shaft is connected to the side cover plate assembly through a bearing, the diameter of the side cover plate assembly is larger than that of the roller, the second inserting shaft is inserted into one end of the roller, and the roller is connected with the belt wheel assembly through a bearing. The roller is positioned through the first inserting shaft and the second inserting shaft, and meanwhile, the roller is inserted into the housing from the side cover plate assembly, so that the roller is convenient to disassemble and maintain, and the maintenance efficiency is improved.

The embodiment of the present specification provides a smart city traffic road cleaning management method and an Internet of Things system. The method is executed by a traffic management platform, and includes: acquiring a road video of a time period captured by a camera on a road; extracting a target image from the road video, and processing the target image through a prediction model to predict road cleanliness; processing the road video to predict traffic corresponding to the road; and controlling a road sweeper to clean the road based on the predicted traffic and road cleanliness. The smart city traffic road cleaning management method according to some embodiments of the present specification can realize real-time monitoring of road health cleaning, can timely process cleaning conditions that may affect traffic safety and cause traffic congestion, and can allocate road sweepers on demand, thereby saving labor costs and social resources.

The present invention provides a machine vision-based target recognition method and system for high-speed road sweepers. The method comprises the following steps: S1: acquiring real-time image data of the vehicle's operating area, wherein the acquired real-time image data carries the vehicle's real-time speed information; S2: performing adaptive block processing on the acquired real-time image data, dividing the real-time image data into multiple sub-image blocks; performing image enhancement processing on the acquired sub-image blocks, and obtaining enhanced image data based on the enhanced sub-image blocks; S3: processing the enhanced image data using a trained target recognition model based on the enhanced image data to obtain target recognition results in the operating area. The present invention helps improve the clarity of images of the road sweeper's operating area, thereby enhancing target recognition effectiveness.

Method for regulating the operation of a cleaning equipment on a self-propelled road cleaning vehicle. The invention relates to a method for regulating the operation of a cleaning equipment fitted to a self-propelled road cleaning vehicle, as a function of the forward speed Va of said vehicle, said comprising a rotating circular brush, means for vacuuming dust and / or waste, and means for spraying said brush with water, said equipment being capable of moving from an inactive position, raised relative to the ground, to an active working position in which it is lowered, said brush in contact with the ground, and vice versa.In this process, the positioning of the equipment and the rotation of the brush are managed according to a correlation with the vehicle speed Va, based on at least one speed threshold chosen from at least Vamin (minimum forward speed) and Vamax (maximum forward speed) previously defined. Figure for the abbreviation: Fig. 1.

The utility model relates to road engineering technical field provides a road sweeper for road engineering, include: sweeping roller subassembly, conveyance subassembly, recycling box subassembly, sweeping vehicle body, sweeping roller drive subassembly, conveyance drive subassembly and shovel ash and keep out ash cross board, sweeping roller subassembly sets up in sweeping vehicle body front side, and conveyance subassembly is obliquely arranged in sweeping roller subassembly back and uses with sweeping roller subassembly, recycling box subassembly sets up in conveyance subassembly back, sweeping roller drive subassembly and conveyance drive subassembly set up in sweeping vehicle body, sweeping roller drive subassembly output and sweeping roller subassembly input connection, conveyance drive subassembly output and conveyance subassembly input connection, shovel ash and keep out ash cross board set up in sweeping vehicle body front side lower part, the utility model discloses reasonable in structure, convenient to use can send the dust and sundries of sweeping into recycling box subassembly to prevent dust more or meet the problem of the blockage when big piece dust or sundries.

The utility model discloses a sweeping mechanism which is convenient to operate, high in efficiency, low in cost and adjustable in height and a road sweeper, and belongs to the technical field of environmental sanitation mechanical equipment. The sweeping mechanism comprises a mounting base assembly, a first connecting arm, a second connecting arm, a sweeping disc assembly and an adjusting assembly, the first end of the first connecting arm is rotationally connected with the mounting base assembly, the first connecting arm can swing up and down, the third end of the second connecting arm is rotationally connected with the mounting base assembly, and the second connecting arm can swing up and down; the second connecting arm and the first connecting arm are distributed up and down, the sweeping disc assembly is rotationally connected with the second end of the first connecting arm and the fourth end of the second connecting arm and can move up and down, the adjusting assembly comprises a first adjusting piece and a second adjusting piece, one of the first connecting arm and the second connecting arm is hinged to the first adjusting piece, and the other one is provided with a sliding part; the sliding part is rotationally connected with the first adjusting part and can slide along the first adjusting part, and the second adjusting part is configured to adjust the relative position of the sliding part and the first adjusting part.

The present application relates to the technical field of road sweeper, in particular to a kind of automatic sewage discharge structure of road sweeper, including recovery tank bracket and recovery tank, recovery tank is installed on recovery tank bracket, recovery tank bottom is communicated with sewage discharge pipe, ball valve is provided on sewage discharge pipe, electric push rod is installed on the bottom of recovery tank, the telescopic end of electric push rod is installed with connecting piece, connecting piece is connected with the valve stem of ball valve, the present application is equipped with electric push rod and connecting piece, so that sewage is discharged, operator only needs to open electric push rod, electric push rod drives connecting piece to push the valve stem of ball valve to rotate, to open ball valve, in turn make sewage discharge, so as not to lift recovery tank in the process of sewage discharge, save time and effort and recovery tank is in horizontal state to make the discharge of sewage more completely.