143 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 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.

The invention discloses a garbage crushing device for a road sweeper, which belongs to the technical field of garbage disposal and comprises a vehicle body, a dust collection mechanism is arranged at the front end of the vehicle body and communicated with a disposal box, a partition plate is arranged in the disposal box, a primary disposal mechanism is arranged on one side of the partition plate, and the dust collection mechanism is communicated with the primary disposal mechanism. The primary treatment mechanism comprises a first air inducing part communicated with the dust collection mechanism, a first treatment part is arranged below the first air inducing part, a secondary treatment mechanism is arranged on the other side of the partition plate, a first opening is formed in the bottom of the partition plate and communicated with the first treatment part and the secondary treatment mechanism, and the secondary treatment mechanism is communicated with a collection box. A screening mechanism is arranged in the collecting box and communicates with the first processing part. According to the invention, primary coarse crushing and secondary fine crushing are combined, so that large garbage is prevented from directly entering fine parts to cause blockage; and unqualified particles after screening are automatically returned, the manual cleaning requirement is reduced, and the resource utilization rate is increased.

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 energy-saving centrifugal fan special for the new energy sweeping vehicle comprises a support, a volute, an air inlet box and a connector, the volute is fixedly installed at the upper end of the support, the connector is fixedly installed on the front surface of the volute, the air inlet box is fixedly installed at the front end of the connector, and the air inlet box is fixedly installed at the lower end of the support. And a dismounting plate is fixedly mounted on the front surface of the air inlet box and located below the air inlet box. According to the energy-saving centrifugal fan special for the new energy road sweeper, when the interior of the centrifugal fan needs to be maintained and cleaned, after fasteners used for fixing the air inlet box are detached, the air inlet box is turned over downwards with the supporting rod as the circle center under the action of gravity, in this way, the air inlet box does not need to be completely detached from the connector, and therefore the air inlet box can be conveniently detached. After overhauling and cleaning are finished, the air inlet box is turned back to the original position, the position of the air inlet box is kept unchanged under the cooperation of the positioning rod and the positioning hole, at the moment, a worker can conveniently fix the air inlet box to the connector through a fastener, and cooperation of multiple persons is not needed.

The utility model relates to the technical field of road sweepers, and provides a leaf collecting device and a road sweeper. The leaf collecting device comprises a garbage can body, the garbage can body comprises a top cover and a fixing assembly, one edge of the top cover is hinged to the garbage can body, the other three edges of the top cover are in lap joint with the upper side of the garbage can body due to gravity when the garbage can body is in a horizontal state, and a discharging port of the garbage can body is covered. The blocking device is used for preventing leaves from scattering from two side areas formed by separating the top cover from the garbage can body during unloading; and the storage part is connected with the discharge port of the garbage can body through the fixing assembly. The device solves the problems that the lifting discharging road sweeper is prone to toppling over the ground during discharging and frequently goes to a discharging point for discharging, energy consumption of the road sweeper is caused, the device is mainly used for the situation that the transition operation efficiency is low, and meanwhile the device is low in cost and good in effect.

The invention discloses a novel road sweeper suction cup, belongs to the field of sweeping equipment, and solves the problem that damageable parts of a road sweeper are difficult to disassemble and replace in the prior art. According to the application, the garbage can body is connected with the suction cup part; the suction cup component is matched with the sweeping component. The sucker part comprises a plate-shaped lower suction port disc and a plate-shaped upper suction port disc; the upper suction port disc is detachably attached to the lower suction port disc, a fixing structure is arranged between the upper suction port disc and the lower suction port disc, and the upper suction port disc and the lower suction port disc are connected through the fixing structure; a lower suction opening penetrating through the lower suction opening disc is formed in the middle of the lower suction opening disc, an upper suction opening penetrating through the upper suction opening disc is formed in the middle of the upper suction opening disc, and the lower suction opening and the upper suction opening are arranged in a matched mode. And the upper suction port is connected with a suction cylinder and is communicated with the garbage can body through the suction cylinder. According to the novel sweeper truck suction cup, the lower suction opening structure is arranged to be of a split type, and the connecting structure of other components is designed and simplified, so that the lower suction opening and other vulnerable components are easy and convenient to disassemble.

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 relates to the technical field of road sweepers, in particular to a sweeping mechanism of a road sweeper, which comprises a shell, a first motor is fixed on one side of the shell, an output shaft of the first motor is connected with a first two-way screw rod through a coupler, and two sliding blocks and two bases are arranged in the shell. Clamping grooves matched with the top ends of the bases are formed in the bottom ends of the two sliding blocks correspondingly, limiting pieces are arranged on the two sides of the two sliding blocks correspondingly, screw holes matched with the first bidirectional lead screws are formed in the two sliding blocks correspondingly, second motors are fixed to the bottom ends of the two bases correspondingly, and sleeves are fixed to piston rods of the two second motors correspondingly; connecting discs are fixed to the bottom ends of the two sleeves, and cleaning brushes are connected to the bottom ends of the two connecting discs through bolts; the output shaft of the first motor drives the first bidirectional lead screw to rotate, the two sliding blocks move in the opposite direction, the two bases move in the opposite direction, the second motors at the bottom ends of the two bases move in the opposite direction, and then the distance between the two cleaning brushes can be adjusted according to needs.

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 utility model discloses a new type of road sweeper and road sweeper, the new type of road sweeper includes a machine cover and a roller brush assembly, the roller brush assembly includes two cleaning rollers with power drive, the two cleaning rollers rotate in opposite directions and are arranged horizontally and side by side perpendicular to the cleaning direction; the cleaning rollers can be adjusted up and down and installed in the machine cover with an opening downward, and a support wheel is arranged on the outside of the machine cover; the exhaust port above the machine cover is connected to the crushing and collecting mechanism through a negative pressure fan. The device can efficiently clean the road by sweeping with the roller brush assembly and combining with negative pressure suction, which can significantly improve the cleaning quality, and the height adjustment of the cleaning roller is very convenient, which can adapt to the use of different road conditions.

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 present invention discloses a small road sweeper for municipal roads, specifically relating to the technical field of road sweepers, including a vehicle body and a leaf suction mechanism arranged at the bottom of the vehicle body. A leaf collection mechanism is arranged inside the vehicle body. The leaf collection mechanism includes a transfer box. The upper end and the lower end of the transfer box are respectively provided with a leaf inlet and a leaf outlet. A push leaf plate is slidably connected inside the transfer box. Above the leaf outlet, a pressing leaf member is movably inserted into the transfer box. A flexible packaging member for storing garbage is installed at the bottom end of the leaf outlet. The leaf suction mechanism sucks the garbage into the transfer box through the leaf inlet, and then the push leaf plate pushes the garbage into the leaf outlet. Through the setting of the leaf collection mechanism, on the one hand, the push leaf plate pushes the garbage into the mesh bag, and on the other hand, the pressing leaf member continuously presses down on the garbage, which can fully expand the mesh bag to be filled with garbage. Compared with the current method of only putting garbage into garbage bags, this method can make full use of the space of the mesh bag, pack more garbage each time, and also save packaging bags.

The present invention discloses a low-noise safe road sweeper, which relates to the technical field of road sweepers and includes a chassis. On one side of the top of the chassis, there is a cab, and at the middle position of the top of the chassis, there is a dustbin. On the side of the top of the chassis away from the cab, there is a water tank, and at the bottom of the chassis, there is a threaded elastic tube. At the bottom of the threaded elastic tube, there is a dust suction disc. At both ends of the top of the chassis near the water tank side, mounting plates are installed, and one end of the mounting plate is movably hinged to a connecting block through a hinge. At the bottom of the connecting block, a plurality of spray heads are connected at equal intervals. In the present invention, under the expansion and contraction of the pneumatic telescopic cylinder, the movable rod can be driven to move, so that the whole connecting block can rotate around the mounting plate, thereby adjusting the output direction of the spray head, so as to avoid affecting pedestrians on the roadside and improve the practicability of the device.

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 present invention relates to the field of road sweepers, and provides a highway road sweeper based on an adaptive multi-stage combined composite sweeping mode, including a vehicle body. Four or more movable sweeping devices are movably connected to the bottom wall of the vehicle body. A transmission cavity and a storage cavity that communicate with each other are provided inside the vehicle body, and an adsorption assembly is provided on the vehicle body; a garbage packing assembly is provided in the transmission cavity. The garbage packing assembly includes a second garbage bag, a first heat sealer, a second motor, a second heat sealer, a second toothed plate, a force application piece, an L-shaped toothed plate, a transmission gear, a third toothed plate, a support plate, a third permanent magnet, and two clamping assemblies; the two clamping assemblies clamp the second garbage bag, the first heat sealer is fixedly connected to the inner wall of the transmission cavity, and the second heat sealer and the force application piece are both fixedly connected to the second toothed plate. The present invention can automatically heat-seal the second garbage bag by the second heat sealer and the first heat sealer, prevent garbage from spilling out when unloading garbage, and the packed garbage can be discarded at small garbage stations along the way.

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.