45results about How to "Increase flushing pressure" patented technology

The invention relates to a full-automatic addictive-free clean and sanitary closestool capable of saving a large amount of water, which converts human gravity into power, and automatically flushes after the human excretion. According to the closestool, a piston is arranged at the lower opening of the closestool to isolate the outlets of sewage and the like, and the air sealing effect is better than the effect of the conventional closestool depending on the water trap to store water for sealing odor. The piston of the closestool can move downward, so as to directly transfer the human excrement to a closestool passage to be rotated, and as the flushing water pressure of the closestool is higher, a large amount of water is saved, and with the quantitative water spraying after the urination according to the set time, much more water is saved; the closestool is provided with a toilet paper shredder, so as to avoid the problem of sewage blockage; and an electronic scale can also be mounted on the closestool as required.

The invention discloses a flushing device for a mechanical seal of a centrifugal pump, and belongs to the technical field of centrifugal pumps. The flushing device comprises a flushing pipe connected to the centrifugal pump; the liquid feeding end of the flushing pipe is connected with the outlet end of the centrifugal pump; the liquid discharging end of the flushing pipe is connected with the mechanical seal of the centrifugal pump; the flushing device is characterized in that the flushing pipe is connected with a tubular filter, a pressure gauge and a throttling orifice plate; the tubular filter is close to the outlet end of the centrifugal pump; the throttling orifice plate is close to the mechanical seal of the centrifugal pump; a first stop valve and a second stop valve are arranged on the flushing pipe; the first stop valve is positioned between the outlet end of the centrifugal pump and the tubular filter; and the second stop valve is positioned between the pressure gauge and the throttling orifice plate. The flushing device can both achieve a good cooling effect on the mechanical seal and prevent particle impurities from being deposited on the sealing surfaces of movable and fixed rings, thus effectively protecting the sealing surfaces of the movable and fixed rings, relieving wear and enhancing the sealing effect; and therefore, normal and stable operation of the centrifugal pump is guaranteed.

The invention discloses an automatic vehicle washing device. The automatic vehicle washing device structurally comprises a bottom plate, racks and a control box. The bottom plate is a cavity shaped like a Chinese character 'hui', the interior of a bottom plate frame is divided into multiple drainage plate containing cavities through transverse square pipes and longitudinal square pipes, a circle of baffle is arranged at the bottom of each drainage plate containing cavity, and drainage plates are clamped to the baffles. The two corresponding sides of the bottom plate are perpendicularly connected with the racks, the racks are cavities and are communicated with inner cavities of the transverse square pipes and the longitudinal square pipes, multiple water spray holes are formed in transverse pipes of the racks, and multiple through holes are formed in the transverse square pipes. One end of the bottom plate is connected with a water inflow pipe, the free end of the water inflow pipe is connected with a water pump in the control box through a hose, and the control box controls the water pump to be opened and closed through signals via a remote control unit. The automatic vehicle washing device automatically washes an engineering vehicle, manual operation is not needed, the washed vehicle does not need to be parked, time is short, washing is complete, and consumed water is saved.

The invention relates to hydraulic systems, in particular to a bidirectional oil flushing device of a hydraulic system. The bidirectional oil flushing device of the hydraulic system comprises an oil tank. The outlet and the inlet of the oil tank are connected with a pump and a filter respectively, the inlet with the filter is connected with a small-pipe-diameter pipeline of a flushing line through a second valve, and the outlet with the pump is connected with a large-pipe-diameter pipeline of the flushing line through a fourth valve; the outlet of the second valve is communicated with the outlet of the fourth valve through a pipeline with a first valve, and the inlet of the second valve is communicated with the inlet of the fourth valve through a pipeline with a third valve. The bidirectional oil flushing device effectively flushes the whole oil flushing loop, improves oil flushing quality of a hydraulic lubrication system, shortens oil flushing time of a hydraulic lubrication pipeline and achieves a good flushing effect.

A backflushing filter for filtering oil includes filter candles 22 which are open at both ends 24, 34 and disposed around a rotary shaft 1 in a filter housing. A cleaning device is moved in conjunction with the rotary shaft and includes upper and lower flushing cocks communicating with an outflow valve via the shaft for cleaning the candles during a backflushing operation. The upper flushing cock 27 is offset by an angle in the direction of rotation in relation to the lower flushing cock 37. A lower closure element 38 moves in conjunction with the upper flushing cock at the opposite end of a filter candle(s) selected for backflushing. Likewise, an upper closure element is associated with the lower flushing cock. The candles can be reverse-flushed in opposite directions and at different times by the flushing cocks and closure elements. The flushing cocks and closure elements are moved inside annular deflection hoods 60, 70.

The present invention relates to process of cleaning ink cartridge of ink jet printer. The ink cartridge cleaning process includes the following steps: opening one pressure relieving hole in the third wall of ink cartridge, pressure injecting hot water into the ink cavity through the ink injecting hole and draining water through the pressure relieving hole and the printing head simultaneously, centrifugally dewatering in a centrifugally dewatering machine, stoving the porous material and sealing the pressure relieving hole. The process has low pressure of cleaning hot water on the flexible printed circuit board of the ink cartridge and high cleaning effect.

The invention discloses a multi-layer back flush anti-blocking artificial wetland. The multi-layer back flush anti-blocking artificial wetland comprises an outer pond, an intercepting net, a pluralityof sub wetland systems, cutoff walls, secondary intercepting nets, a plurality of mud discharging ports, a plurality of filtration layers, bearing layers, pelelith layers, fine sand layers, light filler layers, organic layers, planting plates, aquatic plants, water collection grooves, a plurality of layers of back flush pipes, branch pipes, a total pipe, two sets of water outlets, conduits, clearwater outlets, an external air pump and a pressure water pump; the multi-layer back flush anti-blocking artificial wetland is simple in structure, the operation is convenient, flushing can be conducted on different layers according to the blockage conditions of the wetland, and the water outlets of the multi-layer back flush anti-blocking artificial wetland are formed to be of inclined structures, so that sprayed water forms a vortex shape; compared with a direct flow flushing mode, by adopting the mode, pollutants causing blockage on the filtration layers can be effectively removed, and thequick and efficient water saving back flush effect is achieved.

The invention discloses a urinal spout and a urinal. The urinal spout comprises a spout body. The spout body is provided with a rectification channel and a flow limiting opening communicated with the rectification channel. The urinal spout further comprises at least one flow deflector. The flow deflectors are provided with flow guide faces capable of scattering water flow. The flow deflectors are formed or assembled on the spout body. The flow limiting opening of the spout body corresponds to the flow guide faces of the flow deflectors so that washing water flowing out from the flow limiting opening can rush to the flow guide faces. The urinal comprises a urinal body and the urinal spout. According to the urinal spout and the urinal, water flow is rectified through the rectification channel to reduce energy loss, the washing pressure is increased through the flow limiting opening, the flow deflectors are used in cooperation so that water can evenly flow out, washing is facilitated, it is guaranteed that water flow cannot be scattered outside when the water pressure is high and washing capacity is sufficient when the water pressure is low, airtightness is good, and blockage is unlikely to happen.

Provided is an improved lavage syringe. The improved lavage syringe includes a drip bucket, an infusion adjusting clamp and a tee pipe, a cavity is formed in the inner side of the drip bucket, the upper end of the drip bucket is provided with a puncture pipe, the lower end of the puncture pipe is hermetically connected to a medical two-way valve, the lower end of the medical two-way valve is hermetically connected to the cavity, the lower end of the drip bucket is provided with a first lavage pipe, the infusion adjusting clamp is installed on the outer side of the middle end of the first lavage pipe, the tee pipe is hermetically connected to the lower end of the first lavage pipe, the tee pipe includes a main pipe, the outer side of the middle end of the main pipe is hermetically connectedto a branch pipe, a first narrow throat is formed in the upper end of the branch pipe, the lower end of the first lavage pipe is hermetically connected to the outer side of the first narrow throat, the left end of the main pipe is provided with a dosing pipe, the dosing pipe is connected to a syringe body, the syringe body is installed on a syringe pump, a second narrow throat is formed in the right end of the main pipe, the outer side of the second narrow throat is provided with one end of a second lavage pipe, the outer side of the other end of the second lavage pipe is connected to one endof a connecting pipe in a clamping mode, and the other end of the connecting pipe is connected to a syringe pipe in a clamping mode.

The invention discloses a low-carbon energy-saving sewage treatment system and belongs to the technical field of sewage treatment. The sewage treatment system comprises an adjusting tank, an anaerobictank, an anoxic tank, an aerobic tank, a membrane biological reaction tank, a sludge tank and a clean water tank, and further comprises a clean water conveying mechanism. The clean water conveying mechanism comprises a water pumping cavity, a push rod, a connecting frame, an upper sealing disc, an upper driving air cylinder, a water pumping channel, a lower sealing disc, a lower driving air cylinder, a sealing piston and a driving device. The lower sealing disc is movably connected to the water pumping cavity, and the lower driving air cylinder is used for driving the lower sealing disc to rotate on the water pumping cavity so that the water pumping channel can be opened or closed. The driving device is used for driving the push rod and the sealing piston to move up and down in the waterpumping cavity, the upper sealing disc is movably connected to the sealing piston, and the upper driving air cylinder is used for driving the upper sealing disc to rotate on the sealing piston to openor close the center hole. A water feeding channel is formed on one side of the upper part of the water pumping cavity. The system has the advantages of low carbon, energy conservation, high sewage treatment quality, convenience in backwashing and the like.

The invention relates to a dish washing machine with the flow gathering pressurization direct injection type powerful washing function, which comprises a dish basket, a plurality of separation steel wires are vertically installed on the dish basket, the dish basket is divided into a plurality of containing grooves used for allowing tableware and cookware to be vertically placed, and a supporting device is installed on the side wall of the dish basket in a buckled mode, which is used for limiting and fixing the tableware cookware placed in the bowl basket containing groove, and a powerful washing and spraying mechanism is arranged above the bowl basket side and used for washing the tableware cookware placed in the bowl basket placing groove at different angles. Due to free installation of the supporting device, using spaces of different sizes are provided for tableware pots of different sizes, space waste is avoided, the water flow intensity of the powerful washing and spraying mechanism is larger, the upper portion and the side portion of the bowl basket are covered, the washing angle range is comprehensive, powerful washing water flow can be promoted to directly wash a polluted surface, and the cleaning rate is increased.

The invention discloses a surface treatment process for aluminum rods. The surface treatment process includes the specific steps of firstly, preparation of alkali liquor, wherein industrial caustic soda is put in an alkali pond, and the alkali liquor is prepared; secondly, alkali washing, wherein the to-be-washed aluminum rods are hoisted into the prepared alkali liquor through a crane, and the aluminum rods are fully submerged in the alkali liquor; thirdly, rinsing, wherein after alkali washing is completed, the aluminum rods are transferred into a rinsing pond; fourthly, washing, wherein after rinsing is completed, the aluminum rods are hoisted out of the water surface, and the interiors and the exteriors of the aluminum rods are repeatedly washed through a high-pressure tap water gun; fifthly, detection, wherein after washing is completed, the pH values of residual water of the aluminum rods are detected through pH test paper, the aluminum rods with the pH values ranging from 6.5 to 7.5 are qualified, and the disqualified aluminum rods are washed again; and sixthly, drying, wherein the aluminum rods detected to be qualified are stacked on a designated drying rack, and water is blown away through exhaust fans. The treated aluminum rods are good in cleanliness, product quality is stable, and it is guaranteed that following aluminum rod processed products have good consistency.

The invention provides an automatic washing machine and an automatic washing method of a gelatin dipping tray. The automatic washing machine of the gelatin dipping tray comprises a spraying apparatus, a stander, a liquid charging apparatus, a power system, a circulating water tank, a technological water tank and an electrical control assembly, wherein the spraying apparatus is used for spraying water to an inner cavity and an outer wall of the gelatin dipping tray; the stander is used for supporting and sealing the spraying apparatus; the liquid charging apparatus is used for realizing the circulation and washing of circulating liquid; the power system is used for driving a gelatin dipping tray inner disc gear to rotate; the circulating water tank is used for holding the circulating liquid; the technological water tank is used for storing technological hot water; and the electrical control assembly is used for controlling the entire automatic washing process. By virtue of the automatic washing way, few operators are needed, so that the manpower cost is reduced, and the labor intensity is alleviated. The washing space is closed, so that the flushing water pressure can be increased, and the washing time and water consumption can be reduced. The water flow runs in the closed space, so that the air humidity and temperature in a room can be reduced, the working environment is improved, the air conditioner system load is reduced, and the quantity of microorganisms is reduced. The entire course of the automatic washing way is controlled by programs, so that the stability of the washing quality is guaranteed.

The invention discloses an automatic car washing system, which structurally comprises a bottom plate, a frame body and a control box. The bottom plate is in the form of a hollow-square-shaped cavity.The interior of a bottom plate frame is divided into a plurality of water filtering plate containing cavities through transverse square pipes and longitudinal square pipes. A circle of baffle is arranged at the bottoms of the water filtering plate containing cavities. Water filtering plates are clamped on the baffle. Two corresponding sides of the bottom plate are vertically connected with the frame body. The frame body is in the form of a cavity and is communicated with the inner cavities of the bottom plate, the transverse square pipes and the longitudinal square pipes. A plurality of waterspraying holes are formed in a transverse square pipes of the frame body. A plurality of through holes are formed in the transverse square pipes. One end of the bottom plate is connected with a waterinlet pipe. The free end of the water inlet pipe is connected with a water pump in a control box through a hose. The control box controls the opening and closing of the water pump through signals by aremote controller. The system automatically cleans an engineering car without the manual operation. Meanwhile, the cleaned car does not need to be stopped. The system is compact in time, thorough incleaning and water-saving.

The invention provides a boiler flue gas recovery heater. The boiler flue gas recovery heater comprises a support and a shell fixed to the support. Two sealing plates are fixed in the shell. The two sealing plates partition an inner cavity of the shell into a first cavity, a second cavity and a third cavity in sequence from left to right. Heat conducting pipes are horizontally arranged in the second cavity. The two ends of the heat conducting pipes are located in the first cavity and the third cavity correspondingly. A water inlet pipe and water discharging pipes are fixed in the first cavity,the left ends of the water discharging pipes communicate with the water inlet pipe, and the right ends of the water discharging pipes are inserted into the left ends of the heat conducting pipes correspondingly. The left and right ends of the heat conducting pipes are each in the shape of a circular pipe, the middles of the heat conducting pipes are each in the shape of a circular cone, the maximum inner diameter and the minimum inner diameter of the middle of each heat conducting pipe are equal to the inner diameter of the left end and the inner diameter of the right end of each heat conducting pipe correspondingly, the outer diameter of each water discharging pipe is smaller than the inner diameter of the left end of each heating conducting pipe, and the inner diameter of each water discharging pipe is greater than the inner dimeter of the right end of each heat conducting pipe. The boiler flue gas recovery heater further comprises a water pump, an outlet of the water pump communicates with the water inlet pipe, and two water discharging outlets are formed in the bottom of the shell and communicate with the first cavity and the third cavity correspondingly. The boiler flue gas recovery heater provided by the invention has the advantage that the heat conducting pipes are convenient to clean.

The invention discloses a tube head connector for a medical automatic cleaner. The tube head connector comprises a hollow cylindrical main connecting tube. A hollow connecting screw tube is arranged at the tail end of the main connecting tube. A damping spring is arranged at the head of the main connecting tube. A fixing sleeve ring is arranged at the head of the damping spring. A locking nut is arranged on the connecting screw tube. The damping spring is connected with the main connecting tube and the fixing sleeve ring in a welded mode respectively. Through The damping spring, the main connecting tube and the fixing sleeve ring which are connected in a welded mode, overall strength is high, a flexible metal tube in the damping spring can be protected, impulse vibration of the flexible metal tube is greatly reduced, and accordingly, reliability of the connector is improved.

The invention discloses a buried rainwater shunting system which comprises a shaft way, wherein a rainwater shunting device is arranged in the shaft way; a rainwater perforated strainer is arranged above the rainwater shunting device; the rainwater perforated strainer is fixedly arranged at the top of the shaft way through a well loop; the rainwater shunting device comprises a base plate; a passageway opening is formed in the middle of the base plate; a first fence is arranged on the peripheral edge of the passageway opening; a second fence is arranged on the peripheral edge of the base plate; a separation plate is arranged between the top of the first fence and the top of the second fence; a drainage pipeline is further arranged at the periphery of the second fence; the rainwater perforated strainer comprises a perforated strainer body; a plurality of first rainwater gaps are formed in the perforated strainer body; a plurality of second rainwater gaps are formed in the peripheral edges of the first rainwater gaps; the width of each second rainwater gap is less than that of each first rainwater gap; and flow turbulence bulges are further arranged on the surface of the perforated strainer body on one side, which is located in a first mesh region, of the second rainwater gaps. The buried rainwater shunting system can effectively separate rainwater and reduce the rainwater treatment difficulty and cost and is high in recycling efficiency.

The invention relates to architectural bathroom equipment, and discloses a full-sealed energy-saving type small toilet bowl water flushing device. The full-sealed energy-saving type small toilet bowl water flushing device comprises a water tank; a water inlet pipe, a water drainage pipe and a switch valve are installed on the water tank. The full-sealed energy-saving type small toilet bowl water flushing device is characterized in that the water tank is of a full-sealed type structure; a one-way valve is installed in the water inlet pipe; a water drainage valve is installed at the position of an inner pipe opening of the water drainage pipe; the water drainage valve is of a piston cylinder type structure; the switch valve is a magnetic pushing type structure valve; in addition, a first decompression pipe is installed between a water inlet way of the switch valve and a water storage cavity of the water drainage valve for communication; a second decompression pipe is installed between a water outlet way of the switch valve and the water drainage pipe for communication. The full-sealed energy-saving type small toilet bowl water flushing device is compact in structure, reliable in work, long in service life, high in flushing intensity and suitable for being matched with various bathrooms in use; the size of the water tank is greatly reduced; the water using amount is reduced, and water resources are saved.

The invention relates to food cleaning equipment and particularly relates to a single pipe type intestine turning machine used for cleaning a large intestine of an animal. The single pipe type intestine turning machine comprises a rack, an inclined intestine turning pipe and a water supply pipe used for supplying water to clean; the water supply pipe is a V-shaped groove, and is welded on the lower side of the outer wall of the intestine turning pipe along the length direction of the intestine turning pipe. On the premise that the inner diameter of the intestine turning pipe is not reduced and the supply of cleaning water is guaranteed, the invention provides the single pipe type intestine turning machine, the outer diameter of the intestine turning pipe is greatly reduced, an intestine body is not easy to break when being cleaned, the resistance in sleeving the intestine is reduced, meanwhile, the cleaning effect is good, the efficiency is high, and the single type intestine turning machine is convenient to use.

The invention discloses an anti-shaft-wrapping structure of a concrete mixer. The anti-shaft-wrapping structure of the concrete mixer comprises a stirring tank of a stirring machine, wherein a flushing pipe is arranged above each stirring shaft of the stirring tank; multiple spray heads are arranged on each flushing pipe in a spaced manner; the center of a water spraying direction of each spray head directly faces the corresponding stirring shaft below; a water spraying area of each spray head forms a conical area from top to bottom; an included angle alpha of two busbars, located on the samevertical cross section, of each conical area is 65+ / -2 degrees; a flushing water pump is arranged outside the stirring tank; a water outlet of the flushing water pump is connected with each flushing pipe through a water outlet pipe; the flushing water pump is connected with an electronic control device; a pressure water tank is arranged on the water outlet pipe; a pressure sensor is arranged on the pressure water tank; an the working pressure of the pressure water tank is 0.33+ / -0.03MPa. The invention further discloses an anti-shaft-wrapping method using the anti-shaft-wrapping structure. According to the anti-shaft-wrapping structure and the anti-shaft-wrapping method of the concrete mixer provided by the invention, the occurrence of the shaft-wrapping phenomenon is greatly reduced by 75percent compared with the prior art, the stirring efficiency is remarkably improved, and the electricity consumption, the labor cost, the maintenance fitter cost and the mechanical accessory maintenance cost are saved.

The invention discloses a treatment system capable of adjusting the total soluble substances and total hardness of water. The system comprises a water inlet; the water inlet is connected with an uppercirculating water pipe, a lower circulating water pipe and a water cooling pump; the other end of the water cooling pump is connected with the upper circulating water pipe and sequentially connectedwith a switch, a one-way valve, a pressure reduction stabilizing valve and a proportional valve; the proportional valve is connected with a parallel water inflow pipe; the parallel water inflow pipe is connected with the upper end of a parallel RO filter; the lower end of the RO filter is connected with a parallel water outflow pipe; the parallel water outflow pipe is connected with a parallel water tank; the lower end of the parallel water tank is connected with a mixing chamber through the parallel water outflow pipe; and a water outlet (12) is formed in the lower edge of the mixing chamber.The flow of the proportional valve can be adjusted as required to control the total hardness requirement of the soluble substances of the water, and requirements for water with various hardness can be met as required; not only is the daily life drinking requirement of people met, but also industrial water use requirements under different hardness conditions are met.

The invention discloses a raw material cleaning system for gelatin production. The raw material cleaning system structurally comprises a cleaning chamber, a conveying mechanism, an upper spray head, a lower spray head, a water tank, a first magnetic adsorption part and a second magnetic adsorption part. Wherein the conveying mechanism horizontally penetrates through the cleaning chamber, and a conveying belt of the conveying mechanism is of a porous structure. The multiple upper spray heads are distributed above the conveying belt at intervals in the conveying direction of the conveying mechanism. The lower nozzles are distributed between the upper conveying belt and the lower conveying belt at intervals in the conveying direction of the conveying mechanism. And the water tank is connected with the upper nozzle and the lower nozzle. The first magnetic adsorption piece is fixed to the outer surface of a conveying belt of the conveying mechanism through a connecting rod. The multiple second magnetic adsorption parts are distributed above the conveying belt at intervals in the conveying direction of the conveying mechanism, the polarities of the magnetic poles of the adjacent second magnetic adsorption parts are opposite, the system can achieve a better cleaning effect on animal fur through the spraying system, and the content of impurities in gelatin liquid is reduced.

The invention provides a tooth flusher which comprises a temperature control base, a liquid injection bottle, a driving control part and a tooth washing assembly, the liquid injection bottle is connected to the temperature control base, the temperature control base is used for heating liquid in the liquid injection bottle, the driving control part is connected to the top of the liquid injection bottle, the liquid injection bottle is provided with a liquid outlet pipe, and the liquid outlet pipe is connected to a bottle opening of the liquid injection bottle; at least one liquid injection hole is formed between the liquid outlet pipe and the bottle opening, a first liquid conveying channel is arranged at the bottom of the driving control part and connected with the liquid outlet pipe, the driving control part is used for conveying liquid in the liquid injection bottle to the tooth washing assembly, the tooth washing assembly comprises a guide pipe and an outlet nozzle, and the inner diameter of the guide pipe is larger than that of the outlet nozzle. The structural layout of different function realization areas is reasonable, the temperature control base is not in direct contact with liquid in the liquid injection bottle, and the hidden danger of electric leakage is avoided; the temperature control base, the liquid injection bottle and the driving control part can be independently taken out through disassembly and are convenient to maintain; by reducing the inner diameter in the outlet nozzle, the flow area is reduced, and the flushing pressure is improved.

The invention relates to a quick flushing method for replenishing water before pumping and draining water after pumping of an air conditioner water pipeline. The method comprises the following steps that 1, a flushing loop can be connected after pressure testing of a pipeline is completed, and a flushing temporary piping is arranged; 2, a temporary water replenishing pump is used for replenishing water into the pipeline, exhausting is completed, and the temporary water replenishing pump is stopped; 3, a formal pump is started to carry out closed circulating flushing, the pressure is controlled to be 0.4-0.5 Mpa during circulating flushing, continuous flushing is carried out for about 1.5 hours, and the pump can be temporarily stopped to clean a filter for 2-3 times in the process; and 4, a drainage valve is opened, meanwhile, the temporary water replenishing pump is opened. The method of conducting water supplementing and drainage at the same time is adopted, the flushing pressure is controlled to be 0.5 Mpa, it is guaranteed that the water supplementing amount is larger than or equal to the water displacement, and the pipeline flushing pressure is high, the flow speed is high, the flushing time is short, and the flushing effect is good.

An intelligent car washing remote control device structurally comprises a bottom plate, a frame body and a control box; the bottom plate is a cavity shaped like the Chinese character 'hui'; the interior of the bottom plate frame is divided into a plurality of water filtering plate containing cavities through transverse square pipes and longitudinal square pipes; a circle of baffle is arranged at the bottoms of the water filtering plate containing cavities, and water filtering plates are clamped on the baffle; the two corresponding sides of the bottom plate are vertically connected with the frame body, and the frame body is a cavity and communicates with inner cavities of the bottom plate, the transverse square pipes and the longitudinal square pipes; a plurality of water spraying holes areformed in a transverse pipe of the frame body, and a plurality of through holes are formed in the transverse square pipes. One end of the bottom plate is connected with a water inlet pipe, the free end of the water inlet pipe is connected with a water pump in a control box through a hose, and the control box controls opening and closing of the water pump through signals by a remote controller. The equipment automatically cleans engineering vehicles, manual operation is not needed, cleaned vehicles do not need to be stopped, time is saved, cleaning is thorough, and water is saved.