42results about How to "Reduce car wash costs" patented technology

The present invention provides a drone-type smart car wash robot. The drone-type smart car wash robot may detect dirty state information and shape information of a vehicle while flying around the vehicle in an unmanned manner, and allow car wash to be intelligently and automatically performed while flying according to a flight path calculated in a customized manner to correspond to the dirty state information and shape information and a car wash operation control signal, and therefore it is possible to minimize constraints of time and place for car wash and frequently perform car wash in a simple and easy manner.

The invention discloses an intelligent-control unmanned vehicle washing method. The intelligent-control unmanned vehicle washing method is applied to to-be-washed vehicle washing, and includes the following steps of identifying vehicles, judging vehicle washing information, judging mode information, adjusting a vehicle brush and adjusting washing equipment. The intelligent-control unmanned vehiclewashing method can provide individuation vehicle washing services for to-be-washed vehicles, the individuation vehicle washing services of the rough washing mode, the fine-washing mode and the self-defining mode are provided according to the vehicle information, vehicle washing adjustment can be carried out according to environmental factors, and the intelligent-control unmanned vehicle washing method more intelligently serves vehicle owners.

The invention relates to a closed self-locking cleaning device of a tank, comprising a rigid section which is divided into at least two sections, and an expansion section which is arranged between an adjacent section and the rigid section; the bottom end of the rigid section is adapted to and connected with the wall of the tank in a closed way; the top end of the rigid section is provided with a compression cover; a steam inlet pipe which is connected inside the tank and a sewage pipe which is connected to the bottom of the tank are arranged on the compression cover; and the inner side of the rigid section is provided with at least one group of self-locking mechanism which is buckled and matched with the corner of the inner side of the tank wall. The closed self-locking cleaning device of the tank adopts a positive pressure tank cleaning technology, fully utilizes the steam in the tank while ensuring that the pressure in the tank meets the conditions of equipment safety requirements, so that the steam heat utilization rate is improved, the air pollution is reduced and a certain materials can be recovered, and consequently, the closed self-locking cleaning device of the tank has the advantages of environmental protection, energy saving, high efficiency, low cost and the like.

The invention discloses a gantry type full-automatic vehicle washing system which comprises a vehicle washing machine, a waste water treatment device, a main controller, monitoring recognition devicesand vehicle locating devices. Vehicle washing machine rails are arranged below the vehicle washing machine. The waste water treatment device communicates with a waste water groove. The monitoring recognition devices are installed on the vehicle washing machine. The vehicle locating devices are arranged between the vehicle washing machine rails. The waste water groove is formed below the vehicle locating devices. The vehicle washing machine, the waste water treatment device, the monitoring recognition devices and the vehicle locating devices are connected with the main controller. The gantry type full-automatic vehicle washing system is high in automation degree overall, high in washing efficiency and good in effect, water resource waste is effectively slowed, vehicle washing cost is saved, the situation that vehicle washing waste water is directly drained and thus water pollution is caused is avoided, and therefore the city appearance and the living environment of citizens are prevented from being affected.

The present invention provides a water-saving vehicle washing device. The water-saving vehicle washing device comprises a reservoir, a filtering device, a circulating pump, a water supply pipeline, a flow control valve, a connecting pipeline, a cleaning agent storage tank, a water supply flexible pipe, a flexible pipe coiling automatic rebound wheel, a sliding block, a sliding rail, a high-pressure water gun, a reinforcement mat, a drainage pipeline and a drainage pump; the top of the reservoir is covered with the reinforcement mat; the reservoir is internally connected with the water supply pipeline and the drainage pipeline; the water supply pipeline is connected with the cleaning agent storage tank via the connecting pipeline; the connecting pipeline is provided with the flow control valve; the top of the water supply pipeline is provided with the sliding rail; the flexible pipe coiling automatic rebound wheel is disposed on the sliding rail; in the water supply direction, the water supply flexible pipe bypasses the flexible pipe coiling automatic rebound wheel and then passes through the sliding block; and the tail end of the water supply flexible pipe is connected with the high-pressure water gun. The water-saving vehicle washing device has the beneficial effect that water resources are saved.

The invention relates to environment-friendly and energy-saving assembling type automatic car washing equipment in a building site. The automatic car washing equipment comprises a water pond, a car washing pump, a mud cleaning pump, a car washing pipeline, a mud cleaning pipe, a car washing platform, a pollutant discharging pipeline, an infrared probe and a control tank, wherein the water tank comprises a mud storing pond, a water filtering pond, a water separating pond and a water storing pond which are sequentially arranged, the car washing platform comprises a car washing table and pipe ditches, the pipe ditches are covered with a pipe ditch covering board, the car washing pipeline is arranged inside the pipe ditch, a plurality of car washing spraying heads are connected to the car washing pipeline, the mud cleaning pipeline comprises a mud cleaning main pipeline and a plurality of mud cleaning branch pipelines, one end of the pollutant discharging pipeline is connected with one pipe ditch close to the mud storing pond, and the other end of the pollutant discharging pipeline is connected with the mud storing pond. The environment-friendly and energy-saving assembling type automatic car washing equipment in the building site can simultaneously and automatically wash a car and discharge pollutant, the car washing working efficiency is improved, the cleaned polluting water can be used in a recycling way after being precipitated and filtered, and the water resource and the car washing cost are lowered.

The invention discloses a rapid treatment and recycling device and method for car washing wastewater, and relates to the technical field of wastewater treatment. The rapid treatment and recycling device for the car washing wastewater comprises a car washing wastewater inlet device and an electrochemical reactor, wherein the electrochemical reactor is provided with a flocculation chamber, an oxidation chamber and a filtering chamber, electrode plates are arranged in the flocculation chamber and the oxidation chamber, a dross scraping mechanism is arranged at the upper part of the flocculation chamber, the flocculation chamber is connected with an air dissolving mechanism, the oxidation chamber is connected with an aeration mechanism, and the filtering chamber and the oxidation chamber are connected with a dosing device for dosing a treating agent. Based on electric flocculation, electric Fenton with additional addition of hydrogen peroxide and a pressurized dissolved air flotation technology, the electric conductivity is improved, the treatment speed is increased and the treatment cost is reduced by additionally adding sodium sulfate, so that rapid recycling of the car washing wastewater is realized. Meanwhile, polyacrylamide is added, so that suspended, emulsified or dissolved pollutants quickly form lumps, and the filtering efficiency is improved.

The invention relates to a locking device for positive-pressure washing equipment of a tank, which comprises a pressing cover connected with an opening of the tank in a matching way by sealing, wherein a steam inlet pipe communicated to the inside of the tank and a blow-off pipe communicated to the bottom of the tank are installed on the pressing cover, a locking connection rod penetrating through the pressing cover, a fixing upright post and a movable baffle plate connected with the fixing upright post by a pivot shaft are arranged below the pressing cover, a locking handle matched with the movable baffle plate by the locking connection rod is arranged above the pressing cover, and the movable baffle plate is connected with the corner position of the inner side of the tank in a matching way by sealing at a locking position. After the inside of the tank is washed by positive-pressure steam through the steam inlet pipe according to the locking device for the positive-pressure washing equipment of the tank, generated waste liquid or waste gas is discharged out of the tank through the blow-off pipe, the steam is fully utilized as far as possible in the tank under the condition of ensuring that the pressure in the tank conforms to the safety requirement of the equipment, the use rate of the heat energy of the steam is enhanced, the atmospheric pollution is reduced, and a certain material can also be recovered.

The invention discloses a construction dump truck washing wastewater filtration and circulation system and a filtration technology thereof. The system comprises a raw water tank, the water outlet end of the raw water tank is connected to a sand precipitation tank; and water is introduced into the raw water tank through a raw water inlet pipe, which is connected to a raw water pneumatic valve. The water outlet end of the sand precipitation tank is connected to a ceramic membrane filtration system, the water outlet end of the ceramic membrane filtration system is connected to an air floatation membrane filtration system, the water outlet of a concentrated water tank is connected to a press filter, which is provided with a water outlet and a mud outlet; the water outlet end of the water outlet is connected to the ceramic membrane filtration system, and the press-dried sludge from the mud outlet is applied to back filling or is transported out of the system. The wastewater generated by washing construction dump trucks is filtered by membranes. The whole equipment has a simple structure. The precipitation time of conventional technology is not needed. The filtered water can be directly used to wash construction dump trucks, after washing, the raw water can be filtered and recovered by the filtration system, no external water source is needed during the whole process, and thus the cost of vehicle washing is largely reduced.

The invention relates to a vehicle-mounted mobile vehicle washing device and method. The vehicle-mounted mobile vehicle washing device mainly comprises a transporting vehicle, a box type vehicle washing room, a water tank group, a pump unit, a sewage circulating system, a control system, a pipeline system, a washing medium unit and an intelligent vehicle washing equipment unit. The transporting vehicle reaches a designated place, the box type vehicle washing room is pulled open, a track bracket is mounted and the direction of intelligent vehicle washing equipment is adjusted (if needed), waterand electricity lines are connected, a supporting inclined plate is placed, a vehicle runs into the box type vehicle washing room, and the intelligent vehicle washing equipment can wash the vehicle.When operation is finished, the vehicle can be transported to the next location by folding the box type vehicle washing room, detaching the track bracket and adjusting the azimuth of the intelligent vehicle washing equipment (if needed). According to the vehicle-mounted mobile vehicle washing device, the dependence of vehicle washing services on a fixed shop is eliminated, the vehicle washing costis reduced, door-to-door service is provided, vehicle washing sewage can be recycled, environment-friendly significance is huge, mobile vehicle washing becomes a brand new industry, and social employment and the development of related industrial chains are promoted.

The embodiments of the invention provide a train washing method and device and a dispatching method. The method comprises the steps that a train washing line control end synchronizes train washing agreement indication information to an in-situ workstation according to a train washing request, sent by the in-situ workstation, for a train when the train washing line control end starts a train washing agreement instruction; a train route is executed on a train washing line according to the agreement indication information; and the train washing operation of the train is completed in the process of the train route. By the adoption of the scheme, under the condition that personnel safety and train operation safety are guaranteed, the train washing cost is reduced, and train washing operation efficiency and washing quality are improved.

The embodiment of the invention discloses an automobile dry cleaning, cleaning and curing agent composition. The composition comprises, by weight, 93-98 parts of deionized water, 0.01-0.1 part of diethyl phthalate, 0.2-2.0 parts of emulsified silicone oil, 0.5-2.0 parts of wax emulsion, 0.05-0.15 part of glycerol, 0.05-0.15 part of long-chain polyunsaturated fatty acid, 0.01-0.3 part of polyisobutylene succinimide, 1.0-2.5 parts of solvent oil, 0.1-0.5 part of a surfactant, 0.05-1.5 parts of an emulsifier and 0.1-0.15 part of a suspending agent. The composition is environmentally friendly in material, can be used under various conditions, is efficient in decontamination and free of damage to an automobile paint surface, has a bactericidal effect, and can form a protective film on the automobile paint surface. Cleaning and curing of the automobile outer paint surface are completed in one step, and extra water is not needed for cleaning.

The invention relates to the technical field of automobile cleaning, in particular to a container type movable full-automatic car washer. The container type movable full-automatic car washer comprisesa movable car body, a container connected with the car body, a car washing mechanism arranged inside the container, a car washing APP arranged on a user mobile terminal, and a control mechanism connected with the car washing mechanism and the car washing APP; and the car washing mechanism comprises a water tank arranged in front of the inner top of the container, a power battery arranged in frontof the inner top of the container, a car washing arm sliding guide rail arranged on the inner top of the container, a car washing arm control host connected with the car washing arm sliding guide rail, and a car washing arm connected with the car washing arm control host. The full-automatic car washer is arranged in the container, so that car washing cost is reduced; the car washing machine can move, namely the car washing machines can be reasonably distributed in cities, and car washing convenience is provided for users in different areas; and car washing water may be treated by a waste water treater for reuse.

The invention innovatively provides a mobile car-washing service system and method without a fixed operation place. The system is characterized by mainly comprising a user communication terminal, multiple mobile car-washing service vehicles provided with vehicle-mounted communication terminals and an operation management platform, wherein the user communication terminal, the vehicle-mounted communication terminals and the operation management platform form a network service system, and a car-washing job is performed through car-washing execution devices in the car-washing service vehicles. Through the mobile car-washing service system and method, car-washing service gets rid of the limitation of a fixed place, car-washing cost is greatly lowered, group-buying door-to-door car-washing service can be provided, car-washing sewage can be repeatedly and cyclically utilized, car washing is faster, more economical and more convenient, a large quantity of common car-washing shops wasting waterresources are forced to get out of the market, consumers are benefited, water is saved, the environmental protection significance is huge, and mobile car-washing becomes an emerging industry to promote development of employment and an associated industrial chain in the whole society.

The invention relates to an on-board mobile car washing device and a method. The on-board mobile car washing device mainly comprises a transportation vehicle, a water tank group, a pump unit, a sewagecirculation system, a control system, a pipeline system, a cleaning medium unit, an intelligent car washing equipment unit, a combined car washing house and a folding sewage collection tank. When a transport vehicle reaches the designated place, the folding sewage collection tank is unfolded and the combined car washing house is built, a steerable bracket is rotated (if necessary), an extended track is installed, the extended track is connected to the support at the other end and fixed, water and electricity lines are connected and a support sloping plate is placed, and the intelligent car washing equipment can clean the vehicle entering the car washing house. After completion of the operation, the bracket and the car washing house are dismantled, the sewage tank is folded onto the transport vehicle or hung in the rear of the vehicle, and then the car washing device is transported to the next place. The car washing device makes the car washing service get rid of the dependence on thefixed stores, reduces the car washing cost, provides door-to-door service, the car washing sewage can be recycled, and the car washing device has great environmental protection significances, and makes the mobile car washing become a brand-new industry to drive the development of social employment and industrial chain.

The invention discloses building mud head vehicle cleaning equipment which comprises a bearing frame, a support and a plurality of first spraying devices. A plurality of bearing blocks which are transversely arranged and sequentially arranged are arranged on the bearing frame; the first spraying devices are divided into a plurality of groups, each group of first spraying devices is located betweentwo adjacent bearing blocks and comprises a spraying rod and a spraying mechanism, the spraying rod comprises a vertical spraying section and a horizontal spraying section, and spraying openings areformed in the vertical spraying section and the horizontal spraying section; a pressure sensor is further included; an elastic buffer mechanism is arranged between the spraying rod and the support, and is used for promoting the horizontal spraying section of the spraying rod to be higher than the bearing surfaces of the bearing blocks; when the building mud head vehicle runs on the bearing frame,wheels of the building mud head vehicle press the spraying rods of the first spraying devices downwards to promote the first spraying devices to move downwards, and the multiple sets of first sprayingdevices adjacent to the first spraying devices work while the spraying rods move downwards, so that the wheels are cleaned.

The invention relates to a closed self-locking cleaning device of a tank, comprising a rigid section which is divided into at least two sections, and an expansion section which is arranged between an adjacent section and the rigid section; the bottom end of the rigid section is adapted to and connected with the wall of the tank in a closed way; the top end of the rigid section is provided with a compression cover; a steam inlet pipe which is connected inside the tank and a sewage pipe which is connected to the bottom of the tank are arranged on the compression cover; and the inner side of the rigid section is provided with at least one group of self-locking mechanism which is buckled and matched with the corner of the inner side of the tank wall. The closed self-locking cleaning device of the tank adopts a positive pressure tank cleaning technology, fully utilizes the steam in the tank while ensuring that the pressure in the tank meets the conditions of equipment safety requirements, so that the steam heat utilization rate is improved, the air pollution is reduced and a certain materials can be recovered, and consequently, the closed self-locking cleaning device of the tank has the advantages of environmental protection, energy saving, high efficiency, low cost and the like.

The invention discloses a tank steam airtight washing device. The upper end of a first drain pipe (11-1) penetrates through a drain pipe mounting hole to be fixedly connected with a hoisting piece (9), a second drain pipe (11-12) is sleeved in the first drain pipe (11-1), a chain wheel (11-5) is fixedly connected with the lower end of the first drain pipe (11-1), a chain passes through the chain wheel (11-5), the two ends of the chain are fixedly connected with a first cross bar and a second cross bar respectively, when a first lifting device drives the hoisting piece (9) to ascend or descend, the first drain pipe (11-1) ascends or descends, and then the second drain pipe (11-12) is shrunk inwards or expanded outwards relative to the first drain pipe (11-1). The tank steam airtight washing device can improve hoisting speed and reduce hoisting space, ensures that the device can safely conduct hoisting away and compressing car washing operation in space with the limited height, and can improve car washing operating efficiency and reduce labor intensity and car washing cost.

The invention discloses a phosphorus-free automobile cleaning solution and a preparation method thereof. The cleaning solution comprises the following components in percentage by weight: 6.5-48.0% of a surfactant, 4.2-26.0% of a washing assistant, 1.0-15.0% of a penetrating agent, 0.05-1.0% of a leveling film forming agent and the balance of deionized water. The preparation method comprises the following steps: (1) mixing fatty alcohol-polyoxyethylene ether sodium sulfate with a solubilizer, and adding the deionized water; (2) mixing with the surfactant, the phosphorus-free metal chelating agent, the penetrating agent and the leveling film forming agent in the formula; (3) mixing the mixture with an anti-redeposition agent and an inorganic base; and (4) standing to obtain the cleaning solution. The automobile cleaning solution provided by the invention can realize wiping-free cleaning, is high in cleaning rate, can form an anti-fouling film after cleaning, is environment-friendly and can be degraded easily; and the preparation method provided by the invention is mild in condition and suitable for large-scale production.

The invention discloses an automobile dry cleaning pre-cleaning liquid. The automobile dry cleaning pre-cleaning liquid is prepared from the following raw materials in percentage by weight: 60 to 75%of coconut oil amide propyl betaine, 12 to 20% of penetrant JFC, 5 to 10% of swelling agent, 3 to 8% of sodium alginate, 1 to 3% of preservative, and 0.01 to 0.03% of essence. A preparation method ofthe automobile dry cleaning pre-cleaning liquid comprises the following steps of adding all raw materials into an emulsifying machine, and emulsifying, wherein the rotation speed of the emulsifying speed is 2500 to 3000rpm; the rotation speed is 15 to 20min. The automobile dry cleaning pre-cleaning liquid has the advantages that the problems of high cleaning cost, long consumption time and pollution to environment in the prior art are solved; the environment-friendly effect is realized, the efficiency is high, and the cost is low.

The invention relates to environment-friendly and energy-saving assembling type automatic car washing equipment in a building site. The automatic car washing equipment comprises a water pond, a car washing pump, a mud cleaning pump, a car washing pipeline, a mud cleaning pipe, a car washing platform, a pollutant discharging pipeline, an infrared probe and a control tank, wherein the water tank comprises a mud storing pond, a water filtering pond, a water separating pond and a water storing pond which are sequentially arranged, the car washing platform comprises a car washing table and pipe ditches, the pipe ditches are covered with a pipe ditch covering board, the car washing pipeline is arranged inside the pipe ditch, a plurality of car washing spraying heads are connected to the car washing pipeline, the mud cleaning pipeline comprises a mud cleaning main pipeline and a plurality of mud cleaning branch pipelines, one end of the pollutant discharging pipeline is connected with one pipe ditch close to the mud storing pond, and the other end of the pollutant discharging pipeline is connected with the mud storing pond. The environment-friendly and energy-saving assembling type automatic car washing equipment in the building site can simultaneously and automatically wash a car and discharge pollutant, the car washing working efficiency is improved, the cleaned polluting water can be used in a recycling way after being precipitated and filtered, and the water resource and the car washing cost are lowered.

The invention discloses a fully automatic car washing machine and relates to the technical field of car maintenance. The present invention includes a room body, a movable plate, auxiliary parts, a second slider and a third slider; a number of first mounting plates are fixed on one surface of the room body; a number of first screw rods penetrate between the two first mounting plates; The first slider is threadedly connected to the side surface of the wire rod; the first cleaning pipe is fixed on the first slider surface; the top plate is fixed on the first surface of the room body; the steam box is fixed on the second slider surface; A small water tank is fixed on the surface; a fourth motor is fixed on one surface of the third slider; and a second cleaning pipe is fixed on one end of the output shaft of the fourth motor. Through the cooperation of the movable plate, the rack, the first gear and the second gear, the invention enables the car to enter and leave the car washing area quickly and smoothly, and improves the efficiency of car washing; through the cooperation of the steam tank and the small water tank, the cost of car washing is reduced and the protection of the car is protected. environment, which solves the problem that existing fully automatic car washing machines need to use foam or car washing agent.

The invention relates to the technical field of automobile cleaning, in particular to a container type movable full-automatic car washer. The container type movable full-automatic car washer comprisesa movable car body, a container connected with the car body, a car washing mechanism arranged inside the container, a car washing APP arranged on a user mobile terminal, and a control mechanism connected with the car washing mechanism and the car washing APP; and the car washing mechanism comprises a water tank arranged in front of the inner top of the container, a power battery arranged in frontof the inner top of the container, a car washing arm sliding guide rail arranged on the inner top of the container, a car washing arm control host connected with the car washing arm sliding guide rail, and a car washing arm connected with the car washing arm control host. The full-automatic car washer is arranged in the container, so that car washing cost is reduced; the car washing machine can move, namely the car washing machines can be reasonably distributed in cities, and car washing convenience is provided for users in different areas; and car washing water may be treated by a waste water treater for reuse.

The invention relates to a locking mechanism of tank positive-pressure cleaning equipment. The mechanism comprises a pressure cover in matched and sealed connection with a tank opening of a tank. A steam inlet pipe and a drainage pipe communicated with the internal part of the tank are installed on the pressure cover. An air valve locking mechanism is also arranged on the steam inlet pipe or the drainage pipe. The inner side of the air valve locking mechanism is communicated with the steam inlet pipe. The outer side of the air valve locking mechanism is in matched and closed connection with the tank wall of the tank. After the internal part of the tank is cleaned by positive-pressure steam through the steam inlet pipe, generated waste liquid or waste gas is discharged out of the tank through the drainage pipe; therefore, the pressure in the tank accords with the safety requirement conditions of the equipment; the steam in the tank is sufficiently utilized to the greatest extent; the use rate of the steam heat energy is increased; the atmospheric pollution is reduced; and a certain materials (oil products, chemical products and the like) can be recycled.

The invention relates to a closed positive pressure cleaning device for a tank. The device comprises a compaction cap adapted and hermetically connected with the tank opening of the tank; a steam inlet pipe communicated to the interior of the tank and a blow-off pipe communicated to the bottom of the tank are arranged on the compaction cap; and after the positive pressure steam is used for cleaning the interior of the tank through the steam inlet pipe, the generated waste liquid or waste gas is discharged out of the tank by the blow-off pipe under the action of pressure in the tank. Because a positive pressure tank cleaning technology is adopted in the closed positive pressure cleaning device for the tank, the steam is utilized as fully as possible in the tank under the condition of ensuring that the pressure in the tank meets the equipment safety requirement, the heat energy using rate of the steam is improved, atmospheric pollution is reduced, and certain materials (such as oil, chemicals and the like) can be reclaimed.

The invention relates to a vehicle dry cleaner that is made up from 65-85% brazilian trypanosomiasis , 3-7% penetrant, 2-4% dispersable emulsifier OP-10, 5-20% regulator, 1-5% sunscreen agent, 1-3% quality maintain agent, and 0.01-0.03% essence. The manufacture method includes following steps: weighing raw material according to weight percent, heating Brazilian trypanosomiasis to fusion, putting into mixer to gain the first raw product; putting the raw material into emulsion machine to take second emulsification to gain the product. The invention has advantages of saving water resource and noenvironment pollution problem, low cost and lower customer vehicle cleaning cost.

The invention relates to a locking device for positive-pressure washing equipment of a tank, which comprises a pressing cover connected with an opening of the tank in a matching way by sealing, wherein a steam inlet pipe communicated to the inside of the tank and a blow-off pipe communicated to the bottom of the tank are installed on the pressing cover, a locking connection rod penetrating through the pressing cover, a fixing upright post and a movable baffle plate connected with the fixing upright post by a pivot shaft are arranged below the pressing cover, a locking handle matched with the movable baffle plate by the locking connection rod is arranged above the pressing cover, and the movable baffle plate is connected with the corner position of the inner side of the tank in a matching way by sealing at a locking position. After the inside of the tank is washed by positive-pressure steam through the steam inlet pipe according to the locking device for the positive-pressure washing equipment of the tank, generated waste liquid or waste gas is discharged out of the tank through the blow-off pipe, the steam is fully utilized as far as possible in the tank under the condition of ensuring that the pressure in the tank conforms to the safety requirement of the equipment, the use rate of the heat energy of the steam is enhanced, the atmospheric pollution is reduced, and a certain material can also be recovered.

The invention discloses a fully automatic car washing machine, and relates to the technical field of automobile maintenance. The fully automatic car washing machine comprises a room body, a movable plate, an auxiliary member, a second slider and a third slider. A surface of the room body is fixed with a plurality of first mount plates; a plurality of first screw rods penetrate between the two first mount plates; first sliders are threadably connected to the peripheral sides of the first screw rods. A surface of each of the first sliders is fixed with a first clean tube; a surface of the room body is fixedly provided with a top plate; a surface of the second slider is fixed with a steam box; a surface of that second slider is fixed with a small water tank; a surface of the third slider is fixed with a fourth motor; one end of an output shaft of the fourth motor is fixed with a second clean tube. Through the cooperation of the movable plate, a rack, a first gear and a second gear, the invention enables the automobile to enter and exit a car washing area quickly and stably, and improves the car washing efficiency. Through the cooperation of the steam box and the small water tank, thecar washing cost is reduced, the environment is protected, and the problem that the existing automatic car washing machine needs to use foam or car washing agent is solved.

The invention discloses an automobile dry cleaning pre-cleaning liquid. The automobile dry cleaning pre-cleaning liquid is prepared from the following raw materials in percentage by weight: 60 to 75%of coconut oil amide propyl betaine, 12 to 20% of penetrant JFC, 5 to 10% of swelling agent, 3 to 8% of sodium alginate, 1 to 3% of preservative, and 0.01 to 0.03% of essence. A preparation method ofthe automobile dry cleaning pre-cleaning liquid comprises the following steps of adding all raw materials into an emulsifying machine, and emulsifying, wherein the rotation speed of the emulsifying speed is 2500 to 3000rpm; the rotation speed is 15 to 20min. The automobile dry cleaning pre-cleaning liquid has the advantages that the problems of high cleaning cost, long consumption time and pollution to environment in the prior art are solved; the environment-friendly effect is realized, the efficiency is high, and the cost is low.