1797results about "Road cleaning" patented technology

The invention relates to the technical field of waterproof coatings, in particular to an environment-friendly waterproof coating spraying device which comprises a frame, moving wheels, a cleaning mechanism and a spraying mechanism, the cleaning mechanism comprises a cleaning cover, a cleaning nozzle, a first cleaning roller, a second cleaning roller and negative pressure suction equipment, and integration of base surface cleaning and impurity recovery is achieved. The spraying mechanism comprises a spraying cover, a coating hopper, an air compressor, a coating header pipe, a high-pressure gas header pipe, a coating nozzle group and a positive-pressure nozzle group, and a uniform waterproof coating is formed through high-pressure spraying. According to the device, closed design is adopted, the negative pressure harmful gas adsorption function and the positive pressure leakage prevention function are integrated, cleaning-spraying continuous operation is achieved, the problems that traditional manual spraying is low in efficiency, uneven in coating, serious in pollution and the like are solved through mechanical construction, the construction quality and the environmental protection performance are remarkably improved, and the device is suitable for large building waterproof engineering.

An unmanned vehicle management system includes: an inter-vehicle distance determination unit that determines an inter-vehicle distance between a sprinkling vehicle and an unmanned vehicle traveling behind the sprinkling vehicle in a same direction as that of the sprinkling vehicle based on a sprinkling state from a sprinkling spray provided in the sprinkling vehicle traveling in a work site; and an output unit that outputs, to the unmanned vehicle, inter-vehicle distance data indicating the inter-vehicle distance determined by the inter-vehicle distance determination unit.

The utility model relates to the technical field of sanitation vehicle parts, and discloses a sanitation machine sweeper monitoring and early warning device which comprises a support, a sweeping disc is arranged on one side of the support, and sweeping brushes arranged at equal intervals are arranged at the bottom of the sweeping disc. According to the sweeper monitoring and early warning device for the sanitation machine sweeper, the camera is arranged at the bottom of the support, the specific working state and abrasion state of the sweeping disc and the sweeper can be visually displayed, workers can conveniently observe and visually obtain working and abrasion information of the sweeper, convenience is provided for the workers, and the working efficiency is improved. The push rod is moved to drive the sliding block to move, the rotating shaft and the cleaning roller are promoted to rotate and translate under the action of the gear and the rack, then the lens is automatically cleaned, the shooting definition of the camera is guaranteed, a clearer imaging effect is provided, and the problem that an existing device cannot provide more visual video information, and the image quality is affected is solved. And a worker cannot intuitively obtain the specific wear state and the working state of the sweeper.

The disclosure relates to an electric blower apparatus having a back plate, for carrying on the back of a user. The back plate has a plate axis, oriented in the vertical direction, an upper plate section and a lower plate section. The blower spiral of the blower apparatus comprises an axial end face, to which an electric motor is fixed having a drive shaft which is connected to a fan wheel. For the supply of energy, a battery pack is provided, which is arranged in a receiving space between the first, upper plate section of the back plate and the blower spiral. The housing shaft comprises an insertion opening which faces away from the electric motor.

The invention discloses a rapid marking device and method suitable for complex pavement road marking paint, the rapid marking device comprises a marking vehicle, the marking vehicle can move freely, and a paint barrel and a spraying pump are mounted on the top of the marking vehicle; the cleaning mechanism is arranged at the front end of the marking vehicle and elastically connected with the marking vehicle, the cleaning mechanism is provided with a front shovel and a rolling brush which are used for leveling the road surface, and the rolling brush is arranged behind the front shovel; the marking group is arranged at the bottom of the marking vehicle, the marking group is provided with a spraying box capable of moving up and down, a plurality of nozzles are arranged in the spraying box, and the nozzles are respectively communicated with the coating barrel and the spraying pump. The device has the beneficial effects that the front shovel is matched with the rolling brush to carry out leveling box cleaning on the ground, and the quality of subsequent spraying marking lines is ensured; and the arranged spraying box descends to be in contact with the ground during spraying, so that paint can be controlled in the spraying box during spraying, the outline of a sprayed marking line is clear and stable, and the quality of the sprayed marking line is ensured.

The invention belongs to the technical field of environment-friendly cleaning equipment, and provides a handheld poplar catkin collector. The combined air duct is sequentially provided with a flat-mouth air suction and floc collection section, a main floc collection bin section and an air suction main bin section. The power part is arranged at one end of the combined air duct and located at the air suction main bin section; the power part comprises an operating handle, a battery and a fan; the operating handle is fixedly connected with one side of the air suction main bin section; the battery is detachably mounted on the operating handle and is close to the end part direction of the air suction main bin section; the draught fan is arranged on the end face of the air suction main bin section and communicated with the air suction main bin section. The fan is connected with the battery; the air flow generated by the fan along the discharge opening direction of the flat-opening air suction and flocculus collection section is negative pressure adsorption; the filter cloth bag is arranged in the combined air duct and is connected with a clamping ring arranged on the main flocculus collecting bin section, so that the filter cloth bag is convenient to disassemble; the flat-mouth air suction catkin collecting section faces the poplar catkin and willow catkin on the ground, the fan is started to suck the poplar catkin and willow catkin into the filter cloth bag, and the poplar catkin and willow catkin are discharged after being filtered.

The invention discloses a fan system of a sanitation vehicle, belongs to the technical field of fan systems, integrates dust collection and dust blowing functions, and aims to improve the efficiency of urban cleaning operation. The system comprises a fan body mounted on the sanitation vehicle, and a dust collection system and a dust blowing system are arranged in the fan body. The dust collection system generates suction force through the dust collection channel, the dust collection opening and the air outlet by means of rotation of the suction fan blades, and materials to be sucked are effectively collected. The dust blowing system blows residues hidden in the potholes away from the ground through a dust blowing channel, a dust blowing opening and an air inlet by utilizing wind power generated by rotation of fan blades, and then the residues are sucked out by the dust suction system. And the dust collection channel and the dust blowing channel are connected in a sleeving manner, so that the internal space of the fan body is effectively saved. Meanwhile, the dust collection channel is an annular channel, the dust blowing channel is a cylindrical channel, the conveying directions of the dust collection channel and the dust blowing channel are opposite, and the dual effects of dust collection and dust blowing are achieved.

The invention relates to the technical field of highway engineering construction, and discloses a joint cutting device and method for highway engineering.The joint cutting device comprises a moving platform, a through opening is formed in the center of the top of the moving platform, a movable plate is arranged at the through opening, and the front side and the rear side of the top of the moving platform are each provided with a linear module; the moving seats of the two groups of linear modules are fixedly connected with the outer side of the movable plate, the number of each group of linear modules is one or more, a joint cutting mechanism is arranged at the bottom of the movable plate, and anti-deviation steering mechanisms are arranged at the four corners of the bottom of the moving platform. Through a positioning structure of the deviation-preventing steering mechanism, the steering angle of the wheels is accurate and controllable, the problems of deviation and uneven depth in the joint cutting process can be effectively solved by matching with the stable lifting function of the linear module, and particularly in long-distance parallel joint cutting construction, it can be guaranteed that all cut joints are kept parallel and uniform in specification, the construction quality is improved, and the construction cost is reduced. And the joint cutting precision is obviously improved.

The utility model discloses a washing cleaning structure of a floor mopping robot, the floor mopping robot comprises a frame, a walking driving assembly, a rolling sweeping assembly, a refuse hopper, an air draft assembly and a washing assembly, the washing assembly comprises a water distributor, a washing rolling brush, a water scraping brush strip and a water absorption scraper which are arranged in sequence from front to back, the water scraping brush strip is provided with water scraping brush bristles, and the water absorption scraper is provided with a water outlet. A water absorption channel is formed in the water absorption scraper; a plurality of nozzles are arranged on the lower surface of the water segregator; the frame is provided with a rolling brush driving motor corresponding to the washing rolling brush, and the rolling brush driving motor is in driving connection with the washing rolling brush; the frame is further provided with a clean water tank, a sewage tank and a clean water pump, the sewage pump, the clean water tank, the clean water pump and the water segregator are sequentially connected through pipelines, and the sewage tank, the sewage pump and the water suction rake are sequentially connected through pipelines. Through the structural design, the floor sweeping robot is novel in structural design, and the floor cleaning effect of the floor sweeping robot can be effectively improved.

A retractable animal lead assembly 2 with a housing 10 including a biased retractable mechanism 12 attached to one end of a lead 4, and an animal attachment mechanism 6, at the other end of the lead.

The invention discloses movable dust removal equipment for highway construction, and relates to the field of filtering and dust removal, the movable dust removal equipment comprises a box body connected with a movable frame through a connecting piece, a suction pipe arranged in the box body, and a switching type dust removal system arranged in the box body and provided with a suction end communicated with the suction pipe, and the switching type dust removal system comprises a settling box arranged in the box body; the first pipe fittings are arranged at the top of the settling box; the second pipe fittings are arranged on the outer wall of the suction pipe; the switching part is arranged at the top of the settling box and used for driving the dust filtering pipe fittings to communicate with the first pipe fitting or the second pipe fitting, and the suction part is arranged at the top of the settling box and communicates with the exhaust ends of the dust filtering pipe fittings; the top of the box body is provided with a plurality of high-altitude dust suction devices with exhaust ends communicated with the suction pipes, and the side wall of the box body is provided with low-altitude dust suction devices with exhaust ends communicated with the suction pipes. According to the dust removal equipment, dust removal can be carried out on multiple points at the same time, dust removal and self-cleaning can be carried out at the same time, and the dust removal process is continuous.

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.

An air blowing device, including an air duct portion, a motor assembly arranged inside the air duct portion, a fan assembly driven by the motor assembly, a mounting portion connected to a rear end of the air duct portion, and a connecting portion connecting the air duct portion with the mounting portion. The mounting portion and the air duct portion are spaced apart from each other and cooperatively define an opening space. The air blowing device further includes an air filter that is received in and completely fills the opening space to prevent foreign particles from entering an interior of the air duct portion, without sacrificing the amount of air intaken into the air blowing device, and thus the service life of the air blowing device may be extended. Due to a detachable structure, the air filter can be conveniently removed and cleaned after being used for a long time.

The utility model discloses a road surface cleaning device for highway maintenance, and relates to the technical field of highway maintenance. A dust collection opening is formed in the lower portion of the side wall of the impurity storage box, a dust collector is arranged in the impurity storage box, the input end of the dust collector is communicated with the dust collection opening, a shell is arranged on one side of the impurity storage box, a lifting plate is arranged in the shell in a lifting mode, and a rotating shaft is rotationally connected to the middle of the bottom face of the lifting plate in a penetrating mode. The side wall of the rotating shaft is fixedly connected with a gear, an electric push rod is arranged below the lifting plate, the output shaft end of the electric push rod is fixedly connected with a connecting block, the side wall of the connecting block is fixedly connected with a lengthening plate, one end of the lengthening plate is fixedly connected with a toothed plate, the other end of the lengthening plate is fixedly connected with a frame body, and the top face of the frame body is rotatably connected with a lengthening shaft in a penetrating mode. The bottom end of the lengthened shaft is fixedly connected with a road sweeping disc; the cleaning device is good in cleaning effect, the cleaning surface can be enlarged, and the cleaning efficiency is improved.

The invention relates to the technical field of concrete processing, and discloses a concrete laser scabbling processing device and method.The concrete laser scabbling processing device comprises a movable chassis, a laser scabbling assembly, a vitrification layer removing assembly, a movable assembly and a dust removal assembly, and the movable assembly comprises two mechanical arms; the two mechanical arms are fixed to the upper portion of the movable chassis. The laser scabbling assembly comprises a laser generator, an optical fiber and a laser head, the upper portion of the movable chassis is fixedly connected with a support, the laser generator is fixed to the upper portion of the support, one end of the optical fiber is installed at the output end of the laser generator, the other end of the optical fiber is installed at the input end of the laser head, and the laser head is fixed to the driving end of one mechanical arm. The vitrification layer removing assembly comprises a first motor, a mounting disc and a rotary brush head, the first motor is fixed to the driving end of the other mechanical arm, the mounting disc is fixedly connected to the driving end of the first motor, and the rotary brush head is detachably mounted on the lower portion of the mounting disc.

This utility model discloses a rear-mounted sweeping device for a road milling machine with debris collection function, belonging to the technical field of sweeping devices. It includes a fixed plate, with a base plate fixedly connected to the lower end of one side of the fixed plate. An electric hydraulic rod is provided at the upper end of the base plate, and a vertical plate is provided at the output end of the electric hydraulic rod. A top plate is fixedly connected to the upper end of the vertical plate, and a lifting plate is provided below the top plate. A rotating shaft is rotatably connected to the lower end of the lifting plate, and a turntable is fixedly connected to the lower end of the rotating shaft. A wire brush is fixedly connected to the base of the turntable, arranged in a ring. A support leg is located at the center of the wire brush, with its upper end fixedly connected to the bottom of the turntable, and a roller rotatably mounted at its lower end. This utility model can adapt to road surface undulations. Through the linkage design of the roller and the support leg, when the road surface is uneven, the roller rolls along the ground, causing the lifting plate to float up and down, ensuring a uniform sweeping effect and improving sweeping efficiency.

The utility model relates to the technical field of road surface cleaning, in particular to an efficient environmental sanitation road surface cleaning and garbage collecting device which comprises a vehicle body, a garbage hopper, a cleaning roller brush, a large suspension arm and a small suspension arm, the garbage hopper is installed in front of the vehicle body in a swinging mode through the large suspension arm, and an opening of the garbage hopper faces the front side. The cleaning roller brush is horizontally arranged and installed on the front side of the garbage hopper in a swinging mode through a small suspension arm, and the cleaning roller brush can be driven to rotate. In the cleaning process, the large suspension arm is controlled to lower the garbage hopper and the cleaning roller brush to the ground position, the cleaning roller brush is controlled to rotate to sweep the ground along with movement of the vehicle body, and garbage on the ground is swept into the garbage hopper to be collected. When garbage in the garbage hopper reaches a certain volume, the large suspension arm lifts the garbage hopper and the cleaning roller brush, the cleaning roller brush is controlled to be separated from the garbage hopper after the garbage hopper moves to the position above a nearby garbage can, then the garbage hopper is controlled to deflect downwards to pour out the garbage, and the cleaning work efficiency is high.

According to the garbage can and the cleaning and sweeping vehicle, a movable upper rear door and a movable lower rear door are arranged on a can body, the upper rear door and the lower rear door are independently controlled to open or close discharging openings of an upper-layer garbage cavity and a lower-layer garbage cavity, meanwhile, after the upper-layer garbage cavity and the lower-layer garbage cavity are closed, the upper rear door can be tightly closed through an upper locking mechanism, and therefore the upper-layer garbage cavity and the lower-layer garbage cavity can be locked. And the lower locking mechanism can tightly close the lower rear door, so that the upper-layer garbage cavity and the lower-layer garbage cavity can be effectively and tightly closed and sealed, and the phenomenon that garbage in the upper-layer garbage cavity flows into the lower-layer garbage cavity is avoided.

This invention discloses a mobile dust removal device for highway construction, relating to the field of filtration and dust removal. It includes a housing connected to a mobile frame via connectors, a suction pipe located within the housing, and a switching dust removal system located within the housing with its suction end connected to the suction pipe. The switching dust removal system includes a settling tank located within the housing, multiple first pipe fittings located on the top of the settling tank, and multiple second pipe fittings located on the outer wall of the suction pipe. It also includes multiple dust filter fittings, a switching component located on the top of the settling tank for driving the dust filter fittings to connect to either the first or second pipe fittings, and a suction component located on the top of the settling tank and connected to the exhaust end of the dust filter fittings. Multiple high-altitude dust collection devices with exhaust ends connected to the suction pipe are located on the top of the housing, and low-altitude dust collection devices with exhaust ends connected to the suction pipe are located on the side walls of the housing. The dust removal device of this invention can simultaneously remove dust from multiple points, and dust removal and self-cleaning can be performed simultaneously to achieve a continuous dust removal process.

The utility model relates to the technical field of marking equipment, and provides a sweeping and dust blowing device for a road marking robot, which comprises a moving mechanism, the moving mechanism comprises a chassis, the chassis is provided with a sweeping and dust blowing mechanism, the sweeping and dust blowing mechanism comprises a sweeping mechanism and a dust blowing mechanism, the sweeping mechanism is used for sweeping a road surface, and the dust blowing mechanism is used for blowing dust. And the dust blowing mechanism is used for blowing away particles on the road. By integrating the moving mechanism, the sweeping mechanism and the dust blowing mechanism, a road cleaning solution which is high in automation degree, stable in cleaning effect and remarkably improved in efficiency is provided. Dependence on manpower is reduced, efficient operation and uniform cleaning in the cleaning process are ensured, meanwhile, tiny particles are effectively removed through optimized airflow design, the road cleaning device adapts to different road conditions, the working efficiency and quality of road cleaning are greatly improved, the operation cost is reduced, and maintenance convenience is improved.

The utility model provides a double-cavity garbage can for a sweeper truck, which comprises a can body, a garbage inlet is arranged above the can body, a movable partition plate is arranged in the can body and divides the can body into a first cavity and a second cavity, a communication port is arranged at the top of the movable partition plate, a turnover plate capable of being opened and closed is arranged at the communication port, and the turnover plate is arranged in the first cavity and the second cavity. The top of the first cavity and the top of the second cavity are each provided with a dust suction box, a water filtering plate is arranged on the lower portion in the box body, and a water collecting box is arranged below the dust suction boxes. According to the utility model, the design is reasonable, the double-cavity separation of the box body is realized through the matching of the movable partition plate, the embedded groove, the magnetic suction block and the magnetic suction sheet, the structure is simple, and when the whole box body needs to be cleaned, the movable partition plate is taken out through the separation of the magnetic suction block and the magnetic suction sheet, and the operation is convenient and fast.

The utility model discloses railway bridge expansion joint cleaning device, including trolley and motor, the middle part of trolley is installed with the mounting seat that can go up and down, and the motor is installed in the top of the supporting plate, and the loading box, supporting plate are located above the trolley ground plate, and the bottom plate is located below the trolley ground plate, and spring a is sleeved on every stand, and the upper end of spring a supports the bottom of supporting plate, and the upside of bottom plate is installed with the horizontal pivot through the bearing seat, and one end of pivot projects to the side of trolley and is installed with the cleaning disc subassembly, and the other end of pivot is connected transmission through the pulley subassembly between the output shaft of motor, and the cleaning disc subassembly includes spline shaft and two discs, and two discs are installed with spline shaft and can adjust the interval, and two discs are connected with several even distribution steel wire ropes between the edge. Utilize the rotation of cleaning disc subassembly to clean the sundries in expansion joint, and the width of cleaning disc subassembly can adjust and adapt to the expansion joint of different width, and the compatibility is good.

The embodiment of the invention discloses a garbage treatment method, a controller and cleaning equipment. The method can be used in cooperation with cleaning equipment and comprises the steps that image data and radar data collected for a target area are acquired; performing garbage detection on the image data based on the marked garbage type to obtain first garbage, and processing the radar data based on the reflectivity of at least part of points in the radar data and the first garbage to obtain second garbage except the first garbage in the radar data; and in response to the to-be-swept garbage in all the first garbage and all the second garbage, controlling the sweeping equipment to sweep the to-be-swept garbage. According to the technical scheme of the embodiment of the invention, the garbage omission ratio can be reduced.

The invention relates to concrete cyclic heating and curing equipment for construction in alpine regions, which belongs to the concrete curing technology and comprises a movable mounting seat, a walking driving component and a connecting top plate, an extending top plate is arranged at the top of the movable mounting seat, a lifting adjusting component and U-shaped connecting blocks are mounted on the extending top plate, and a telescopic heat shield is fixed between the two U-shaped connecting blocks. The telescopic heat insulation cover can be driven to move up and down by controlling the lifting adjusting assembly, the sealing performance of the position to be maintained is guaranteed, folding is convenient, the walking driving assembly can pull the telescopic heat insulation cover to be unfolded or folded, and the sweeping brush roller is installed on the outer wall of the movable installation base and connected with the walking driving assembly through the reverse driving type connecting assembly. A steam generator is installed on the connecting top plate, a synchronous blowing type air inlet assembly is arranged at one end of the telescopic heat insulation cover, a temperature sensor is arranged at the other end of the telescopic heat insulation cover, steam circulation heating can be achieved, the maintenance temperature is kept within a certain range, and the maintenance efficiency and quality are guaranteed.

The invention discloses a measurement method for urban planning, a lifting mechanism is arranged in a protection box, an inner threaded hole plate is movably arranged in an inner cavity of the protection box, and a measurement instrument is fixedly connected to the top of the inner threaded hole plate. According to the urban planning measurement method, a lifting mechanism, a self-cleaning mechanism, a self-reinforcing mechanism and a height control mechanism are arranged between a protection box and a measurement instrument, so that when the measurement instrument extends out to be used, the measurement instrument can be adjusted through cooperation of the lifting mechanism, the self-cleaning mechanism, the self-reinforcing mechanism and the height control mechanism; the measuring instrument can be automatically cleaned when extending out, the device can apply a reinforcing and positioning procedure by itself, the height control effect is automatically preset, the situation that the sight glass of the measuring instrument is blocked in use due to dust falling is avoided, and the automatic stabilizing effect of the device and the automatic height control effect are further enhanced.

The invention relates to the technical field of road cleaning, and discloses a road cleaning robot and a vehicle road tooth cleaning method.The road cleaning robot comprises a moving body and a cleaning mounting plate, the exterior of the cleaning mounting plate is connected with a cleaning adjusting mechanism, and the movable end of the cleaning adjusting mechanism is connected with an internal cleaning mechanism. When the movable limiting plate passes through a protrusion on the lifting limiting clamping groove, the distance between the movable limiting plate and the fixed limiting plate is increased, and when the movable limiting plate reaches a concave position on the lifting limiting clamping groove, the telescopic connecting rod shrinks to drive the movable limiting plate to be clamped with the lifting limiting clamping groove; a movable limiting plate and a lifting limiting clamping groove can be clamped through an elastic structure between a telescopic connecting rod and a fixed limiting plate, when an internal sweeping mechanism is driven to descend through a sweeping adjusting mechanism, an external sweeping mechanism and the high position of the curbstone are swept, and the curbstone sweeping device can adapt to curbstones of different heights; therefore, sanitation dead angles of the vehicle curbstone in the road sweeping process can be avoided.

The invention discloses a road surface quartz Internet of Things sensor thermal grease filling type cooling device, and belongs to the technical field of road surface cooling devices.The road surface quartz Internet of Things sensor thermal grease filling type cooling device comprises a movable frame, and rolling wheels matched with the movable frame are connected to the periphery of the bottom end of the movable frame; the thermal grease spraying mechanism comprises a two-way electric push rod, the bottom of the two-way electric push rod is connected with the movable frame through a fixing block, push rods at the two ends of the two-way electric push rod both extend to a first sliding block, and the first sliding block and the fixing block are connected through a multi-diamond-shaped rod; the first rotating shafts are installed at the joints of the multi-diamond-shaped rods, and the two ends of each first rotating shaft are installed on the multi-diamond-shaped rods in a rotating connection mode. The technical problem that due to the fact that spraying equipment on a filling type cooling device is generally of a fixed design, adaptive adjustment cannot be conducted on the spraying distance, filling cooling operation is tedious, and the applicability of the device is reduced can be solved.

This invention discloses a method for adjusting the operating speed of a sanitation vehicle based on garbage coverage rate, and a sanitation vehicle itself. The method includes the following steps: acquiring image data within a preset area in front of the vehicle; preprocessing the image data, including dynamic ROI delineation, image enhancement and denoising, and brightness normalization; using a deep learning model based on YOLOv5s to detect garbage in the preprocessed image and outputting target boxes for the coverage area; calculating a two-layer coverage rate based on the target detection results and the Otsu threshold segmentation method, combined with color features, and outputting the current garbage coverage rate; and adjusting the operating speed of the sanitation vehicle according to the garbage coverage rate based on preset rules. This invention can improve the accuracy of road garbage coverage rate identification and significantly optimize vehicle operating energy consumption and operating costs.

The utility model relates to the technical field of sewage suction and purification vehicles, in particular to a movable sewage suction and purification vehicle which comprises a bottom plate, a plurality of pulley mechanisms, a settling tank, a filter tank, a cover plate and a connecting mechanism, the pulley mechanisms are arranged at the bottom of the bottom plate, a push handle is arranged on one side of the bottom plate, and the filter tank is arranged on the other side of the bottom plate. The settling tank is placed at the top of the bottom plate, the top of the settling tank is connected with one end of a positioning block, the other end of the positioning block penetrates through the bottom plate, a sewage discharging assembly is arranged at the bottom of the front face of the settling tank, the filtering tank is connected with the bottom plate through the connecting mechanism, and the cover plate is connected with the filtering tank through a first bolt. A material pumping assembly is arranged on the cover plate, a discharging assembly is arranged at the bottom of the filtering box, and the connecting mechanism comprises a telescopic air cylinder, a connecting block, a fixing block and a second bolt.

The invention relates to the technical field of road engineering detection, and discloses a low-installation-height line laser scanning road surface flatness high-precision detection device which comprises a bearing plate, a line laser scanning sensor which is installed on the bearing plate and scans a road surface at a low installation height, and a cleaning mechanism used for guaranteeing cleanliness of the sensor. The protection assembly is installed on the bearing plate, and the line laser scanning sensor is installed in the protection assembly; the cleaning mechanism comprises an active cleaning assembly used for cleaning macroscopic sundries and an active dust cleaning assembly used for cleaning the optical window, and the cleaning mechanism and the line laser scanning sensor are both installed on the bearing plate so that synchronous adjustment of a cleaning path and a scanning path can be achieved. System-level low-frequency vibration isolation is achieved through the cushioning moving assembly and the cushioning spring of the cushioning moving assembly; sensor-level high-frequency fine vibration isolation is realized through a cushioning sliding block and a shock absorber in the protection assembly, stable and clean work of the sensor under low installation is ensured, and high-precision detection is realized.