91results about "Spraying vehicles" patented technology

The invention discloses a mobile intelligent control spraying and dust-settling system, and particularly relates to the technical field of compensation or utilization of an external environment of a spraying and dust-settling spraying vehicle under a wind field disturbance condition, which comprises a plurality of wind speed and wind direction sensing nodes mounted on a lifting rod in the advancing process of the spraying and dust-settling spraying vehicle, acquiring a plurality of local wind field parameters in different heights and directions, and constructing a wind speed gradient data set based on the local wind field parameters; and performing normalization and disturbance feature extraction processing on the wind speed gradient data set to generate a wind disturbance time sequence and a spatial disturbance distribution map. By constructing a time-space coupling control mechanism fusing wind disturbance feature extraction, trend prediction and path calibration, advanced sensing of non-steady-state wind field disturbance and dynamic correction of spray response parameters are achieved, and therefore the problems of sensing-control coupling lag and spray offset errors are solved.

The invention belongs to the technical field of dust falling equipment, and particularly relates to a watering dust falling device applied to a mining area, which comprises a vehicle body, a water tank, a water pump, a spraying system and a filtering assembly, the water tank, the water pump and the spraying system are fixedly installed on the vehicle body, the filtering assembly is fixedly installed on the side edge of the water tank, the filtering assembly is connected with a water inlet pipe of the water pump, water sucked into the water pump is filtered through the filtering assembly, and a water outlet pipe of the water pump is connected with the spraying system; the filtering assembly comprises a shell fixed to the water tank, a first mounting block is fixed to a sealing plate arranged at the bottom of the shell, a rotating shaft is rotationally arranged above the first mounting block, and a filter screen is fixed to the end, close to the water tank, of the rotating shaft; by arranging the filter assembly, the filter screen can be automatically cleaned, blockage is prevented, and the surface of the filter screen is kept clean, so that the filtering performance of the filter screen is maintained; the filter screen does not need to be manually detached for cleaning, so that the working intensity of personnel is reduced, and the cleaning efficiency is improved.

A multifunctional decontamination vehicle, comprising: a command cabin (110); a decontamination cabin (120); and an equipment cabin (130) internally provided with a clear water tank (131), a premixing tank (133), a fire pump (135), a decontamination pump (137), and a boiler (139). A first clear water outlet of the clear water tank (131) is connected to a water inlet of the fire pump (135) by means of a first control valve (51); a high-pressure port of the fire pump (135) is connected to a decontamination hose reel (80) by means of a second control valve (52); an inlet of the decontamination pump (137) is connected to a second clear water outlet of the clear water tank (131) by means of a third control valve (53), and is connected to a liquid outlet of the premixing tank (133) by means of a fourth control valve (54); and an outlet of the decontamination pump (137) is connected to a first liquid inlet of the premixing tank (133) by means of a fifth control valve (55), is connected to the decontamination hose reel (80) by means of a sixth control valve (56), and is connected to a water supply port of the boiler (139) by means of a seventh control valve (57). A decontamination liquid does not need to be discharged before filling clear water, so that waste of the decontamination liquid is avoided, and on-site working efficiency is improved; in addition, when the disinfection of a next target is performed after the disinfection of the current target is completed, the elimination of the current target can be performed simultaneously, thereby implementing the synchronization of on-site disinfection and elimination.

A system is for displaceable mounting of outboard utility equipment to a vehicle for selective in situ access to a utility compartment of the vehicle includes a first portion that may be detachably fixed to the vehicle. The first portion includes a main support frame defining an access opening for unimpeded access to the utility compartment, and a hitch receiver defining a tow hitch receptacle for auxiliary equipment. A second portion is displaceably coupled to the first portion for displacement between open and closed positions relative thereto. The second portion in the closed position extends across at least a portion of the access opening and in the open position remains displaced to permit unobstructed access to the utility compartment through the access opening. The second portion includes a gate assembly to which the outboard utility equipment is attached. A latching structure releasably locks the second portion in the closed position.

The utility model relates to a mounting structure of a watering cart, which comprises a longitudinal beam mounted on a chassis frame; the multiple cross beams are arranged in the length direction of the longitudinal beam at intervals, the cross beams are perpendicular to the longitudinal beam and penetrate through the longitudinal beam, and the two ends of each cross beam extend out of the side edge of the longitudinal beam; the upper end face of the inclined strut is provided with a curved surface transition face attached to the lower curved surface of the water storage tank, the side, away from the longitudinal beam, of the inclined strut extends to the end of the cross beam, and the lower end face of the inclined strut is welded to the upper end face of the cross beam in an attached mode. A positioning hole is formed in the upper end face, close to the side edge of the longitudinal beam, of the cross beam, and a positioning column extending into the positioning hole is fixedly connected to the lower end face, close to one end of the positioning hole, of the inclined strut. Through the arrangement of the lengthened cross beam and the inclined supporting frame, the supporting width can be increased, the outer side of the inclined supporting frame extends downwards to the end of the cross beam, the inner side of the inclined supporting frame is fixedly connected with the positioning column extending into the positioning hole in the cross beam, and the anti-side-tipping and anti-overturning strength of the inclined supporting frame on the cross beam in the outer side direction and the inner side direction can be enhanced.

To provide a specially-equipped vehicle which enables easy adjustment of a magnitude of a driving force of an accessory.SOLUTION: A specially-equipped vehicle includes an accessory which receives power from a power source to operate and further includes: a start operation unit 17 for starting the accessory; an increase / decrease control unit 23 which may increase or decrease a start output value of the accessory so as to change the start output value of the accessory when the start operation part 17 is operated to start the accessory into a target output value; and a control unit 15 having a storage part 14 which stores the start output value of the accessory. The control unit 15 starts the accessory at the start output value stored in the storage part 14 when the start operation part 17 is operated to start the accessory.SELECTED DRAWING: Figure 2

The invention relates to the technical field of environmental sanitation equipment, and particularly discloses a watering cart and a watering operation system capable of automatically identifying road width, the watering cart comprises an acquisition module, an intelligent control module and a dynamic adjustment module, the acquisition module is used for continuously transmitting detection signals to the surroundings according to a sensor group, receiving reflected signals and sending the signals to the intelligent control module; calculating distance data with surrounding objects through the time difference and the intensity change of the signals; the intelligent control module is used for processing and analyzing the collected distance data, identifying the boundary position of the road by comparing the processing and analysis data of different sensors so as to determine the road width, and sending a control instruction to the water pump and the sprinkler head adjusting device according to the obtained road width; and the dynamic adjusting module is used for adjusting the flow of a water pump on the watering cart and the angle of a sprinkler head, so that the intelligent level of watering cart operation is improved, and the road surface cleaning effect is improved.

The invention provides a vehicle frame structure and a mountain engineering vehicle, and belongs to the technical field of mountain vehicles, the vehicle frame structure comprises a vehicle frame body, a rear driving mechanism and a front driven mechanism, the rear driving mechanism and the front driven mechanism are arranged on the vehicle frame body, and the rear driving mechanism drives the front driven mechanism to move; the front driven mechanism comprises a rotary support, a steering stand column, a steering transverse shaft and a set of driven steering wheels, the rotary support is arranged on the frame body, the steering stand column is arranged in the rotary support in a sleeved mode, the steering transverse shaft is connected with the steering stand column, the steering transverse shaft is located on the lower end face of the steering stand column, and the set of driven steering wheels are arranged on the steering stand column. The driven steering wheels are installed on the two sides of the steering transverse shaft, and the driven steering wheels and the steering transverse shaft coaxially rotate. The vehicle frame can drive out of soft soil or pits within a short time, and can better adapt to mountainous areas, forest areas, beach protection forests, grassland and other terrains with soft soil and hidden pits.

Provided herein is a slurry tank having an articulated boom providing a fluid pathway from an end of the boom to the slurry tank, the boom being articulated such that it is selectably positionable in a first and a second position. When the boom is in the first position, the end of the boom is located outside of the slurry tank and, when the boom is in the second position, the end of the boom is located inside of the slurry tank.

The invention discloses a swing spraying dust suppression vehicle fog gun device which comprises a vehicle body, a water tank and a fog gun mechanism, the fog gun mechanism comprises a supporting seat, a water outlet, a fan, a shell, a first air duct, a second air duct and a rotating mechanism, and the first air duct and the second air duct are rotatably connected through the rotating mechanism; the fan is arranged inside the second air duct, the second air duct is connected with the supporting seat through the shell, the water outlet is communicated with the water tank, the shell is rotatably connected with the supporting seat, and the rotating mechanism can drive the first air duct to rotate relative to the second air duct. The first air cylinder and the second air cylinder are rotationally connected, the second air cylinder can be driven to rotate through the rotating mechanism, then water mist is rotationally sprayed, spraying is more uniform, uneven spraying caused by deformation of the air cylinders or water outlet difference of the nozzles after long-term use is avoided, and the dust suppression effect can be improved.

The invention discloses a gap-adjustable anti-swing structure and system, an unbalance loading detection method and an engineering vehicle, which are mainly applied to the engineering vehicle with a frame and a box hinged to the frame, and comprise a mounting seat, a moving device, an anti-swing seat and a range finder, the mounting seat is fixed on the bottom surface of the box body close to the outer side surface of the frame longitudinal beam; the moving device is arranged on the mounting seat, the moving device comprises an executing part and an executed part, and the executed part is driven by the executing part to linearly move back and forth towards or away from the frame longitudinal beam; the anti-swing seat is arranged on an executed part and can move along with the executed part so as to be close to or far away from a limiting block on the outer side face of a longitudinal beam of the frame; the distance measuring instrument is installed on the anti-swing seat and used for measuring the distance between the anti-swing seat and the limiting block and further controlling the execution component to drive the executed component to move, so that the distance between the anti-swing seat and the limiting block is kept unchanged all the time, and the situations that the anti-swing seat is eccentrically abraded and a box on a frame swings left and right can be effectively avoided.

The invention provides an aircraft deicing operation device and method. The device comprises a ground preheating and filling module; the vehicle-mounted deicing operation module comprises an electric chassis, a pressure-bearing heat preservation liquid tank, a spraying unit and a vehicle-mounted inert gas power unit. The high-pressure nitrogen source is communicated with the liquid tank through the pressure adjusting unit and provides spraying driving force for liquid in the tank. The spraying unit selectively communicates with the liquid tank for liquid spraying or communicates with the gas power unit for nitrogen purging. The method comprises the steps that the ground module is used for centralized heating and filling; in the deicing standby period, the liquid temperature is maintained through the heat preservation liquid tank; the high-pressure nitrogen source is started during operation, and a continuous injection mode and a pulse injection mode are selected according to ice conditions; during operation, the pressure is maintained to be stable by adjusting the pressure compensation liquid level change. According to the preheating and vehicle-mounted heat-source-free driving device, the safety of deicing operation of an airplane is improved.

The utility model provides a mining anti-explosion trackless rubber wheel full-section cleaning vehicle which comprises a vehicle body. The first flushing device comprises two first nozzles symmetrically arranged on the two sides of the vehicle body in the width direction, and the spraying directions of the first nozzles face the lower portion of the inner wall of the roadway; the second flushing device comprises a lengthened pipe capable of being rotationally folded relative to the vehicle body and a second spray head arranged at the end of the lengthened pipe, a rotating shaft of the lengthened pipe is arranged in the width direction of the vehicle body, and when the lengthened pipe is in an unfolded state, the spraying direction of the second spray head faces the top of the inner wall of the roadway; the third flushing device comprises two third nozzles symmetrically arranged on the two sides of the vehicle body in the width direction, and the spraying directions of the third nozzles face the middle of the inner wall of the roadway; a spraying area jointly formed by the first spraying head, the second spraying head and the third spraying head can cover the inner wall of the roadway. According to the mining anti-explosion trackless rubber wheel full-section cleaning vehicle, the roadway cleaning effect of the cleaning vehicle can be improved.

The invention relates to an electric unmanned TMR (total mixed ration) spreading vehicle, which belongs to the technical field of animal husbandry equipment, and comprises a carrying platform, a spreading assembly is carried above the carrying platform, and the spreading assembly comprises a cabinet body, a suction type feeding assembly and a discharging assembly. The suction type feeding assembly comprises a feeding separation box, air exhaust equipment and a corrugated pipe which are arranged in the cabinet body, and feeding is achieved in a negative pressure suction mode. The discharging assembly comprises one or two screw conveyors and a discharger, the screw conveyors input the fully mixed daily ration in the cabinet body into the discharger, and the discharging operation is completed through the discharger with the adjustable direction. Through all-around innovation of unmanned driving, intelligent feeding, flexible discharging and accurate pushing, upgrading of automation, high efficiency, environmental protection and multi-functionalization is achieved, operation requirements of modern large-scale farms are better met, the breeding efficiency can be remarkably improved, the operation cost can be reduced, and the health of livestock, poultry and personnel can be guaranteed.

The invention relates to the technical field of dust suppression equipment, and discloses a new energy fog gun vehicle with a water-saving mechanism, the new energy fog gun vehicle comprises an electric drive chassis, and a water storage tank is fixed at the top end of the electric drive chassis. When the new energy fog gun vehicle with the water-saving mechanism is used, a collecting cover is fixed to the top end of a water storage tank, rainwater can be collected and guided in an auxiliary mode in rainy days, and the rainwater can be guided out through a water outlet pipe and guided into the water storage tank through a first water inlet to be collected and stored; on sunny days, a servo motor can be controlled to start, a speed reducer is used for driving a rotating shaft to rotate, multiple sets of second bevel gears and the rotating shaft which are meshed can be used for driving turning plates to turn downwards to be horizontal while the rotating shaft rotates, and the multiple sets of turning plates can be used for conducting auxiliary sealing on the interior of a collecting cover to prevent dust and foreign matter from entering; the problem that rainwater cannot be conveniently used for supplementing a water source into the fog gun vehicle is solved.

A mobile security robot system is disclosed comprising a robot vehicle with pressurized fluid canisters, rotatable spray mechanisms, and a software control system for sensor-based or operator-triggered activation. An integrated invisible ink application module enables covert suspect tagging, while an automated refill interface allows docking with a fluid station for replenishment. The system provides non-lethal deterrence, evidence gathering, and optional environmental uses including plant hydration and wildlife deterrence.

The utility model provides an electric watering cart with a reversing prompt mechanism, which belongs to the technical field of electric watering carts and comprises an electric watering cart body, a water storage tank is mounted on the upper surface of the electric watering cart body, and a storage tank is mounted on the upper surface of the electric watering cart body and positioned on one side of the water storage tank. A water spraying gun matched with the water storage tank is installed on the upper surface of the storage box, and a blocking mechanism used for protecting the water spraying gun is installed on the upper surface of the storage box. According to the scheme, through the arrangement of the prompting mechanism, a driver can know the situation behind a vehicle in real time and take avoiding measures in time, and collision accidents are avoided; meanwhile, the prompting mechanism can give out sound and visual alarms to remind surrounding pedestrians and vehicles to pay attention to avoiding, the reversing safety is further improved, through arrangement of the blocking mechanism, the water spraying gun can be blocked when the water spraying gun is not used, and therefore damage caused by accidental collision is prevented.

The invention provides a method for determining the amount of liquid carried by a target vehicle and an unmanned vehicle, and relates to the field of computer vehicle control, the field of intelligent auxiliary driving and the field of intelligent mines. The method for determining an amount of liquid carried by a target vehicle includes: receiving a work state of the target vehicle performing a work, the work state including target measurement information related to an amount of liquid stored in a liquid container disposed on the target vehicle; determining measurement information noise matched with the operation state of the target vehicle; based on the Kalman filtering algorithm, the measurement information noise and the measurement liquid amount determined based on the target measurement information are fused, and the target liquid amount used for controlling the target vehicle to execute spraying operation or used for determining the remaining mileage of the target vehicle is obtained.

The utility model discloses a lightweight greening sprinkling carriage body structure, and particularly relates to the technical field of sprinkling carriages, the lightweight greening sprinkling carriage body structure comprises a carriage main body, a water supplementing pipe is arranged in the middle of the upper end of the carriage main body, a supporting base is arranged at the lower end of the carriage main body, and a reinforcing supporting plate is arranged on one side of the inner end face of the supporting base; a water outlet pipe is arranged on one side of the lower end of the compartment body, and partition plates are arranged on the inner end face of the compartment body. During actual use, under the corresponding arrangement state of the water guide pipe, the water guide connecting pipe, the rotary connecting piece and the high-pressure water injection nozzle, the water guide pipe can be conveniently swung at different angles, and meanwhile, the water guide connecting pipe can be conveniently connected with external flushing equipment; by means of the structure, different positions in the compartment body can be conveniently flushed, the cleanliness of the interior of the compartment body is guaranteed, and meanwhile water flow in the compartment body can be effectively separated in the state that the partition plates, the water guide grooves and the arc-shaped grooves are correspondingly arranged.

A fluid delivery attachment device for a heavy equipment vehicle is disclosed. The device includes a water tank and a nozzle mounted at opposite ends of a rigid frame. The frame is configured to couple to the under chassis of a heavy equipment vehicle, such as an excavator. Because the nozzle is not mounted to an excavator bucket arm, or other tool, the operator is able to direct water onto the work site using a controller within the vehicle cab independently of the bucket or similar tool. The disclosed system eliminates the need for additional personnel used for dust mitigation, soil packing, wilderness firefighting, and other activities where heavy construction vehicles are commonly used.

The invention relates to the technical field of industrial waste gas treatment, in particular to a building material mine dust treatment device which comprises a movable vehicle body, a bogie is rotatably mounted on one side of the lower end of the movable vehicle body, and steering wheels and driving wheels are mounted at the lower end of the bogie and the side, away from the bogie, of the movable vehicle body through wheel shafts correspondingly; a treatment frame is arranged in the middle of the upper end of the mobile vehicle body, a water storage tank is arranged on one side of the upper end of the mobile vehicle body, a sludge collection tank is arranged on the other side, and a dust removal device is arranged on the treatment frame; during dust removal, the exhaust pipe is driven by the exhaust pump to discharge purified air in the treatment frame downwards, the flying dust blowing pipe rotates to blow dust on the ground so that the dust can be sucked into the treatment frame, and meanwhile, a negative pressure cavity is formed in the treatment frame so that the dust can enter the treatment frame through the dust suction pipe to be treated.

The invention relates to the technical field of road anti-collision wall maintenance, and particularly discloses an automatic spraying maintenance vehicle for an anti-collision wall and a using method of the automatic spraying maintenance vehicle. The maintenance vehicle comprises a device body, and the device body comprises a walking device used for driving the device body to move along the anti-collision wall and a spraying device matched with the walking device and used for spraying water to the anti-collision wall when the device body moves. The device can adapt to anti-collision walls with different thicknesses and different heights; the using method comprises the steps that firstly, a constructor lifts the device body and places the device body on a protective wall, the first rolling wheels below the mounting shell are pressed at the top end of the protective wall, and the vertical rods are located on the two sides of the protective wall; then the constructor pushes a second roller through an adjusting assembly, and the second roller abuts against the anti-collision wall; when the sliding assembly is used, the position of the first spray head is adjusted, and finally the motor and the water suction pump are started, so that the device body moves along the protection wall. It can be guaranteed that the maintenance truck smoothly moves on the anti-collision wall and sprays water.

The utility model relates to the technical field of municipal administration, and provides a fog gun barrel and a fog gun lorry, and the fog gun barrel comprises a barrel body, a spraying assembly and a silencing layer; the two axial ends of the barrel are open, the first end, in the axial direction, of the barrel is an air inlet end, the second end, in the axial direction, of the barrel is a spraying end, and the spraying assembly is arranged in the barrel and used for generating water mist and spraying the water mist out of the spraying end; the silencing layer comprises a silencing cotton layer and a damping layer; the silencing cotton layer is arranged on the inner wall of the barrel in an attached mode, and the damping layer is arranged on the silencing cotton layer in an attached mode. According to the utility model, the silencing cotton layer and the damping layer are arranged in the cylinder body, and the silencing cotton layer is beneficial to isolating noise in the cylinder body. The damping performance of the damping layer can restrain vibration of the cylinder body and reduce noise. Noise of the fog gun barrel is reduced by preventing noise transmission and improving vibration.

The utility model relates to the field of fog gun trucks, and discloses a heatable anti-freezing fog gun truck which comprises a fog gun truck body, a water tank is fixedly mounted on the top surface of the fog gun truck body, a base is fixedly mounted on the top surface of the fog gun truck body, a U-shaped mounting frame is fixedly mounted on the top surface of the base, and a rear air duct is rotatably connected into the U-shaped mounting frame. In cold weather, a person starts an annular electric heating pipe in a circular shell to heat the circular shell, so that heat is conducted to a circular liquid supply pipe and a spray head, and the phenomenon that the circular liquid supply pipe and the spray head are frozen in cold weather is avoided as much as possible; when the circular liquid supply pipe and the spray head do not work, sealing baffles in the sealing mechanism are installed at the rear end of the rear air duct and the front end of the front air duct respectively by personnel, so that sealing and heat preservation are conveniently conducted on the rear air duct and the front air duct, and the anti-freezing effect of pipelines in the rear air duct and the front air duct is further improved.

The invention discloses a dust falling and suppressing intelligent water sprinkler and a vehicle. The dust falling and suppressing intelligent water sprinkler comprises a lifting device which is provided with an air dust detection collector; the adjusting device is connected with the lifting device, a spraying device is rotationally connected to the adjusting device, and the adjusting device is used for adjusting the spraying angle of the spraying device; the water supply equipment is connected with the spraying device; and the control device is electrically connected with the air dust detection collector and the water supply equipment. Not only is the dust-falling water sprinkler capable of automatically supplying water and spraying according to the air quality condition of a construction site realized, but also the spraying height range and the spraying angle range of the water sprinkler are widened; the problems that a traditional dust falling water sprinkler cannot conduct spraying water supply control according to the air environment condition, and the spraying angle range and the air spraying height of a spraying machine are limited and cannot be flexibly adjusted are solved.

To provide a watering system of work site capable of utilizing water generated by the reaction of hydrogen and oxygen.SOLUTION: A watering system of a work site includes: a power unit mounted on a transportation vehicle, which reacts hydrogen and oxygen to generate power to drive a running gear of a transportation vehicle; a storage unit that stores a watering position in a work site; a water sprinkler unit mounted on the transportation vehicle for splaying water generated in the power unit; and a watering control part that outputs control instruction such that the water sprinkler unit splays water at a watering position.SELECTED DRAWING: Figure 5

The invention discloses a self-starting type watering dust suppression device and method with a flying dust detection function. The device comprises a vehicle body, a traction block is fixedly installed on the front end face of the vehicle body, a water tank is fixedly installed on the upper end face of the vehicle body, and a water pump is fixedly installed at the upper end of the water tank; two fixing vertical plates are fixedly installed on the rear end face of the vehicle body, a connecting transverse plate is fixedly installed between the upper ends of the fixing vertical plates, a flying dust detection mechanism is installed on the upper end face of the connecting transverse plate, a placing plate is clamped outside the fixing vertical plates and is of a U-shaped structure, a plurality of first clamping rings are evenly arranged on the outer end face of the placing plate, and second water pipes are clamped in the first clamping rings. The second water pipe is provided with a plurality of nozzles and communicated with the water pump. A water level monitoring device is arranged in the water tank and connected to a power source assembly and an alarm which are arranged on the surface of the water tank. The height and the spraying range of the spray head can be adjusted, the water level monitoring device is arranged, the alarm device is arranged, and when the water tank lacks water, workers can be reminded to add water.

The utility model relates to the technical field of water pumping and discharging pipelines, and provides a vehicle-mounted water pumping and discharging system which comprises a water pump, a tank body and a connecting pipeline, the connecting pipeline comprises a circulating pipe, a water pumping pipe, a water pumping three-way valve, a water discharging pipe, a water discharging three-way valve and a communicating pipe, and the two ends of the circulating pipe are communicated with a water inlet and a water discharging port in a sealed mode respectively; one end of the water pumping pipe is hermetically communicated with the circulating pipe through the water pumping three-way valve; one end of the water discharging pipe is hermetically communicated with the circulating pipe through the water discharging three-way valve; and the two ends of the communicating pipe are respectively communicated with the circulating pipe and the tank body in a sealing manner. The circulating pipe, the water pumping pipe, the water pumping three-way valve, the water discharging pipe, the water discharging three-way valve and the communicating pipe are arranged and matched with one another, so that water pumping and discharging operation of the tank body is achieved, all the pipelines are integrated and simplified, and therefore the occupied space of the water pumping and discharging system is reduced.

The utility model discloses a left-right two-way speed-adjustable four-wheel throwing truck, which relates to the technical field of throwing trucks and comprises a truck body, a carriage is arranged on the truck body, a throwing barrel is fixedly mounted in the carriage, two sides of the bottom of the throwing barrel are communicated with discharging pipelines, bearing base plates are fixedly mounted on two sides of the carriage, and rotating base plates are arranged above the bearing base plates. A stand column is fixedly installed at the bottom of the rotating base plate, a driving assembly for driving the rotating base plate to rotate is arranged on the bearing base plate, a base table is fixedly installed at the top of the rotating base plate, and a conveying cylinder is fixedly installed on the base table. According to the left-right two-way speed-adjustable four-wheel throwing truck, rotation of the rotating base plate is achieved through the driving assembly, so that the conveying barrel is driven to be aligned to different throwing directions, auger blades installed on the conveying barrel are driven by a second motor to rotate, sand, saw dust and other materials can be evenly fed into the conveying barrel from the throwing barrel through a discharging pipeline, and the throwing efficiency is improved. And the materials are uniformly thrown through the throwing opening.

Dust removal equipment for highway engineering construction comprises a frame, a bottom plate is arranged at the top of the frame, a water tank is arranged on the left side of the top of the bottom plate, a pressurizing assembly is arranged on the right side of the water tank, a fog gun tube is arranged on the right side of the pressurizing assembly, and two positioning rods are arranged on the outer side of the fog gun tube. The two positioning rods are symmetrically arranged front and back with the center line of the bottom plate as the symmetry axis, the bottoms of the positioning rods are connected with the top of the bottom plate, an adjusting assembly is arranged at the bottom of the fog gun pipe, a transverse rod is arranged at the bottom of the adjusting assembly, a supporting assembly is arranged at the bottom of the transverse rod, and two supporting plates are arranged at the bottom of the supporting assembly. The two supporting plates are arranged in a bilateral symmetry mode with the center line of the transverse rod as the symmetry axis, and the problems that according to an existing trailer type fog gun vehicle, angle adjustment is inconvenient, supporting operation is strenuous, an atomization pipe is prone to liquid accumulation and rusting, the effect is affected, and cost is increased are solved.