196results about How to "Reduce the impact on physical health" patented technology

The invention belongs to the technical field of veterinary microbial additive preparation, and specifically relates to a strain of separated and screened Enterococcus faecium providing significant bacterial inhibition effects for common enteropathogenic bacteria such as staphylococcus aureus, escherichia coli and salmonella in breeding animals, and an application thereof. The probiotic Enterococcus faecium of the present invention is characterized in that: the strain is Enterococcus faecium HDRsEf1, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CCTCC NO:M2011031. The probiotic Enterococcus faecium of the present invention has characteristics of fast growth, high acid production capacity, strong stress resistance, safety, disease resistance and growth promotion, and can be used as the microbial feed additive for livestock and poultry feeds.

The invention discloses a membrane-plating method for a hub cover of a vehicle which includes the steps of pre-processing, bottom coating through light curing, chromeplating through ion bombardment, surface coating through light curing, etc. The invention adopts a dry plating to replace the traditional wet electric plating and adopts an aluminum layer to replace the traditional metal coat of Ni-Cu-Cr. The dry plating method does not contain poison matters, does not have the problem of three wastes, does not need three-waste processing, has a simple technique process and has no pollution to the environment. The working condition of a worker is good; the effect to the body health is small. The noble metals like Cu, Ni and Cr are not needed to be used; only less aluminum is used, thus greatly reducing the cost. The technique is simple; the working procedures are less; the production cost is low. The power consumption is about one fifths to one sevenths of the electric plating; the water consumption is about one tens to one twentieths of the electric plating. The integral production cost is about one seconds of the electric plating. The method of the invention has a high economic benefit; besides, nano-ceramics particles are added in the surface coating material of light curing which improves the techniques of dispersing and mixing as well as remarkably improves the surface wear-resistance.

The invention relates to a biocontrol strain Y-1 for preventing and controlling fungal diseases of grapes and application of the biocontrol strain Y-1 in prevention and control of grape diseases and belongs to the technical field of biological prevention and control of plant diseases. The strain is Meyerozyma guilliermondii Y-1 with a preservation number of CCTCC (China Center For Type Culture Collection) NO:M2015814. The Meyerozyma guilliermondii Y-1 is used for preparing a biocontrol preparation for preventing and controlling the grape diseases, and the biocontrol preparation has an obviousprevention and control effect on multiple pathogenic fungi. The Meyerozyma guilliermondii Y-1, provided by the invention, as an active ingredient of the biocontrol preparation, has the characteristicsof stable prevention and control effect, long persistence and wide disease control spectrum as well as has the properties of environment friendliness, safety and low possibility of generating pesticide resistance; the strain has high propagation speed, is cultured under simple culture conditions and is easy for storage and industrial production; defense related enzyme activity in plant bodies canbe improved, and a good development and application prospect is realized.

The invention discloses a high-flash-point screen printing ink cleaning agent, which consists of the following ingredients in percentage by volume: 15 to 60 percent of dipropylene glycol, 20 to 75 percent of C6-C9 ester and 10 to 25 percent of oleic acid. The high-flash-point screen printing ink cleaning agent can be used at normal temperature, the efficiency is high, the energy is saved, the flash point is high, the safety performance is high, the cleaning is thorough, the pollution is small, the toxicity is low, the harm to the human body is small, in addition, the preparation is easy, and no damage is caused on printing screens.

The invention relates to a piece of highly sensitive pH test paper and a preparation method thereof, wherein a developing strip is in the form of a piece of pH body paper, which is dipped in a reagent solution and then dried by hot air at constant temperature; the reagent solution contains an indicator; the formula of the indicator contains bromothymol blue, thymol blue, metanil yellow, m-methyl red, bromocresol green, nitrazine yellow, cresol red, phenolphthalein, para-nitrophenylazosalicylate sodium, titan yellow, fluorescent pigment orange red, 5% 4-nitrobenzenediazo-1-naphthol-3.6-sodium disulfonate solution and 30% dissolved ethanol aqueous solution; and the formula of the indicator further contains an aqueous colour fixing agent, a cotton wooden fibre mildew preventive, a special paper mildew preventive and a buffer neutralizer formed by modulating sodium hydroxide and phosphoric acid. The preparation method comprises the following steps of: adjusting the reagent solution till a pH value is up to 6-7.5, uniformly wetting the pH body paper, and drying through hot air at constant temperature. According to the invention, the reagent solution can be adjusted, so that the pH value is up to 6-7.5; steady and precise high sensitivity of the pH1-14 test paper is effectively increased; and the test paper is convenient and simple to use.

The invention discloses an electric welding machine system with a built-in welding smoke innocent treatment mechanism, and relates to the technical field of electric welding machines. A welding tool special for butt joint of large-caliber steel pipes is researched and developed according to the requirements of the large-caliber steel pipes during butt joint machining treatment, the work is achieved in such a way that two runways are symmetrically and fixedly installed on the top end face of an equipment bearing base plate, the sliding end faces of the two runways are slidably connected with adriving mechanism, a driven mechanism and two sets of pipe head connecting supporting mechanisms correspondingly, a driving adjusting mechanism and a driven adjusting mechanism which are of the same structure are connected above the driving mechanism and the driven mechanism in a rolling mode correspondingly, the steel pipe A and the steel pipe B are driven to rotate synchronously through rotationof the welding tool, according to the tool of the structure, a welding robot is taken as the center, it is not needed that an existing welding robot has the multi-point, multi-thread and multi-dimensional welding function, and therefore the early-stage investment cost and the later-stage maintenance cost of an enterprise are greatly reduced.

The invention relates to a magnetic suspension stretcher which comprises a bed frame, a mattress and a stretcher. The bed frame is arranged on the stretcher; the mattress is arranged above the bed frame; the stretcher is provided with universal wheels; the magnetic suspension stretcher is provided with a magnetic suspension device which is formed by a suspension seat and a magnetic suspension core; the magnetic suspension seat is in movable fit connection with the magnetic suspension core; the suspension seat is arranged on the frame of the stretcher; the magnetic suspension core is fixedly connected with the bed frame; and the bed frame is supported and suspended by perpendicular repulsive force generated by the magnetic suspension device. The magnetic suspension stretcher has the advantages that since the perpendicular direction of the bed frame of the magnetic suspension stretcher is supported by magnetic suspension force, when in use, the magnetic suspension stretcher can reduce the influence of gravity shock on the health of wounded persons or patients or old people.

The invention provides an automatic hydrographics transfer printing device for shoemaking, and belongs to the technical field of hydrographics transfer printing devices. The automatic hydrographics transfer printing device comprises a fixing frame, a driving mechanism and an incomplete gear, the incomplete gear is fixedly connected with an operating rod through an operating base, a limiting seat is arranged on the fixing frame, and the limiting seat is sleeved with a limiting driving elastic part sequentially through a connecting seat, a connecting rod, a movable part and a movable rod. According to the automatic hydrographics transfer printing device for shoemaking, the operating longitudinal rod connected to the operating base is driven by a drive control mechanism through the incompletegear; the elastic piece drives the movable part to do reciprocating oscillation motion, the device is simple in structure, convenient to operate and capable of effectively avoiding instability causedby manual operation, guaranteeing the integrity of patterns of customized finished shoes, improving the printing quality of the shoes, greatly reducing the working intensity of workers and automatically completing the process of rotating printing to swing back and forth, and has a good market prospect.

A method for realizing incoming call transfer of double mode mobile phone includes setting a special option for transferring a incoming call in mobile phone with GSM communication system and PHS low power communication system, automatically transferring the incoming call from GSM communication system mode to PHS low power communication system mode for receiving said call in low power special option software when incoming call conforming to said option set in double mode mobile phone is received under GSM communication system mode .

An oil removal device comprises a soup pot and an oil remover. The oil remover comprises a pot cover, an extrusion casing, a motor, a guide cylinder, a guide column, a guide sleeve, a lead screw and a controller. The guide cylinder is fixedly connected with the pot cover, the lead screw is meshed with threads of a guide threaded hole of the guide cylinder, and the lead screw is further connected with a rotating shaft of the motor. A motor base of the motor is fixedly connected with the extrusion casing. The pot cover is provided with an oil removal hole and an oil collection groove which are communicated with each other. The pot cover is further provided with a seal ring and an elastic buckle used for connecting the pot cover and the soup pot. During use, the controller controls the motor to drive the lead screw to rotate, the lead screw drives the extrusion casing to move downwards, the extrusion casing moves downwards to squeeze soup in the soup pot so as to raise soup oil on the surface of the soup, the liquid level of the soup oil is controlled by a first liquid level switch and a second liquid level switch of the controller, so the soup oil is discharged into the oil collection groove through the oil removal hole, accordingly the purpose of removing the soup oil on the surface of the soup is achieved, and the influence of edible soup oil on human health is reduced.

The present invention is improved automatic bar stock feeding process and unit for numerically controlled lathe. The present invention features that the automatic bar stock feeding unit includes one bar stock fixture one part fixture set on the numerically controlled multiple site cutter tower; and the programmable automatic bar stock feeding process includes the steps of shifting or rotating the numerically controlled multiple site cutter tower, fixing length and feeding bar stock, fixing the bar stock for machining and releasing the fixture for the next part machining. The present invention has automatic machining, low labor strength, high machining efficiency and other advantages.

The invention discloses waterborne epoxy modified polyester resin and a preparation method thereof. The waterborne epoxy modified polyester resin is prepared from the following components in parts by weight: 23-42 parts of polyol, 35-59 parts of polyacid, 0.03-0.1 part of esterification catalyst, 2-10 parts of modifying agent and 15-35 parts of environment-friendly diluent. Waterborne amino baking paint prepared from the waterborne epoxy modified polyester resin has the characteristics of being good in adhesion force, high in fullness and hardness, good in water resistance, and the like.

The invention relates to the technical field of crop cultivation, and discloses an artificial corn pollinator which comprises a support, a pollination cover is arranged on the support, the pollination cover is used for covering male ears and female ears, and the pollination cover comprises a left half cover and a right half cover; and a partition plate is arranged in the pollination cover and divides the pollination cover into an upper cavity and a lower cavity, a pollen shaking mechanism is arranged in the upper cavity and used for assisting pollen on tassels to shake off, the partition plate is composed of a plate frame and a plurality of battens rotationally connected to the plate frame, the battens are used for receiving the tassel pollen when being horizontal, a power mechanism for driving the battens to rotate is arranged on the pollination cover, the partition plate comprises a left half plate arranged on the left half cover and a right half plate arranged on the right half cover, and a through hole for corn plant stalks to pass through is formed in the joint of the left half cover and the right half cover. The artificial corn pollinator can solve the problems of low efficiency and poor pollination quality of manual pollen collection and pollination.

The invention discloses a casting type asphalt isolating agent which comprises an isolating component, wherein the isolating component includes mineral oil and / or vegetable oil. The casting type asphalt isolating agent is characterized in that an antioxidizing component is added into the isolating component. In such an arranging manner according to the invention, the isolating agent with low surface energy can be acquired.

The invention relates to the technical field of coatings, in particular to the technical field of water-based anti-corrosive coatings and discloses a chemical-resistant industrial anti-corrosive water paint. The chemical-resistant industrial anti-corrosive water paint is prepared by mixing a component A and a component B; the weigh ratio of the component A to the component B is (3-5):1; the component A comprises the following components in parts by weight: 30-50 parts of water-based polyurea resin, 2-8 parts of an environment-friendly solvent, 0.5-1 part of a neutralizing agent, 0.5-2 parts of a wetting and dispersing agent, 0.1-0.5 part of a de-foaming agent, 15-25 parts of titanium dioxide, 5-10 parts of precipitated barium sulphate, 3-8 parts of talcum powder and 3-5 parts of nano diatomite; the component B is a solvent-free curing agent. The anticorrosive water paint disclosed by the invention is excellent in chemical resistance, has the advantages of being high in solid content, good in scratch resistance, high in hardness and low in organic volatile matter content and has a small impact on environment and physical health of construction personnel.

The invention discloses a high-pier pouring forming method applied to bridge construction. The high-pier pouring forming method is characterized by comprising the following steps that (1) a heat insulation shed is built; (2) multiple sections of equilong templates are adopted to be superimposed to form a high-pier pier body template inside the heat insulation shed; (3) on the basis of the formed high-pier pier body template, a high-pier pier body with the same height as the high-pier pier body template is poured inside the heat insulation shed in one step; (4) all templates under the topside template are dismounted, and in addition, the topside template is used for the template installation support during the pouring of the lower section of pier body; (5), the pouring height of each section of later high-pier pier body is the sum of the heights of the templates except the topside template in the step (4), and the high-pier pier bodies are sequentially poured until the pouring is completed; and (6) the high-pier pier bodies are maintained in the heat insulation shed to carry out heat insulation maintenance until the final formation is realized. Through the scheme, the high-pier pouring forming method has the advantages that the influence of cold weather on the bridge construction is avoided, the construction quality is ensured, and high practical values and promotion values are realized.

The invention discloses an abrasive belt grinder with a wet dust removal system, and aims to provide the abrasive belt grinder which has the advantages of removing metal scraps and dust in the air andreducing the influence on physical health of operators. The technical scheme of the abrasive belt grinder is characterized in that a dust removal system used for sucking and treating the dust is further arranged on a machine frame, the dust removal system comprises a suction fan and a ventilation channel, one end of the ventilation channel is located on one side, facing the ground, of a grindingbelt, the other end of the ventilation channel communicates with the interior of the suction fan, a plurality of spraying water pipes are further arranged in the ventilation channel, water sprayed outfrom the spraying water pipes forms a water curtain to fill the side, close to the grinding belt, of the ventilation channel, and the ventilation channel further communicates with a drain pipe. The dust removal system of the abrasive belt grinder is convenient to use, dust particles can be removed during production; and meanwhile, high dust removal efficiency can be achieved, the dust removal efficiency is 85% or above, the content of the dust particles in the air is effectively reduced, and the influence caused by the dust particles on the physical health of the operators is reduced.

The invention discloses a remote monitoring system for nondestructive testing of a nuclear power station. The system comprises a monitoring center outside a nuclear island, an intermediate monitoring sub-system in a ring corridor and a terminal controlled object in the nuclear island, wherein the monitoring center controls the terminal controlled object to monitor each service object in the nuclear island; each of the monitoring center and the intermediate monitoring sub-system comprises a display device for displaying the operation state of each service object respectively; when one or more of the service objects in the nuclear island has an abnormal condition, the monitoring center sends a control signal to the intermediate monitoring sub-system to notify the monitoring personnel in the ring corridor to enter the nuclear island to deal with the abnormal condition; and a three-party communication sub-system is arranged among the monitoring center, the intermediate monitoring sub-system and the terminal controlled object. Compared with the traditional monitoring system, the system disclosed by the invention has simple equipment, strong compatibility, high stability and both lighting and warning functions, is easy to operate, and provides better safety guarantee to the nondestructive testing service of nuclear power stations.

The invention discloses a molecularly imprinted electrochemical sensor for CYR trace rapid detection. The molecularly imprinted electrochemical sensor for the CYR trace rapid detection comprises a working electrode, a reference electrode and a counter electrode; the working electrode is a glassy carbon electrode, and modified by using monodispersed SiO2@TiO2 core-shell nanoparticles firstly, and then a surface molecularly imprinted membrane is further prepared for realizing specific recognition of CYR by using a in-situ electrochemical polymerization method and sol-gel method. The molecularly imprinted electrochemical sensor has strong selectivity and high sensitivity for CYR, and is simple in sample pretreatment steps, rapid and simple in method and satisfactory in detection results of actual vegetable samples. The molecularly imprinted electrochemical sensor prepared by the invention is successfully applied to detection of CYR in cucumbers, mushrooms, Chinese chives and celery, and further good all in sensitivity, accuracy, precision and selectivity.

The invention relates to the fields of electrochemical sensors and electro-analytical chemistry and particularly discloses an electrochemical sensor for performing rapid trace detection on a preservative, namely butyl p-hydroxybenzoate, and a preparation method of the electrochemical sensor. The electrochemical sensor for performing the rapid trace detection on the preservative, namely butyl p-hydroxybenzoate, is high in measurement sensitivity, good in selectivity, simple to operate and low in cost, and a result is credible. The electrochemical sensor comprises a working electrode, a reference electrode and a counter electrode, wherein the working electrode adopts a glassy carbon electrode dropwise coated with a hollow CeO2 microsphere modified film with high electroactivity. The prepared electrochemical sensor is successfully applied to detection of butyl p-hydroxybenzoate in spiced dried bean curds, a variety of cellulose compound capsules, jam and cosmetics.

The invention provides a solar direct-current supply station which comprises a solar photovoltaic battery, a storage battery, a solar electricity-generating controller, a complementation charging controller, a mains supply charging module, a storage battery discharging module and a direct-current load. The solar electricity-generating controller is used for adjusting and controlling electric energy converted by the solar photovoltaic battery, sending the adjusted energy to the direct-current load on one hand, and sending the excess energy to the storage battery for storing on the other hand. When electricity generated by the solar photovoltaic battery can not meet the need of the direct-current load, the controller sends the electric energy of the storage battery to the direct-current load through the discharging module. The complementation charging controller is used for controlling the mains supply charging module to charge the storage battery when the electric energy of the storage battery is insufficient, and therefore the storage battery can supply direct currents continuously to the direct-current load. The solar direct-current supply station can provide the stable and continuous direct currents for villages, pasturing areas, mountainous areas and the like where power supply of a public power grid is unstable, and illumination and life of users are facilitated.

The invention provides an automatic dust removal system and an excavator, and relates to the technical field of excavator equipment. The automatic dust removal system comprises a dust sensor used fordetecting the dust concentration in the environment; a spraying device used for spraying to the environment so as to reduce the dust concentration; and a controller, wherein the controller is respectively connected with the dust sensor and the spraying device so as to obtain the dust concentration and control the spraying device to carry out spraying operation according to the dust concentration.The automatic dust removal system is applied in the excavator to realize automatic control of the spraying device according to the dust concentration, so that the dust concentration in the construction environment of the excavator is reduced, and the influence of dust on the health of on-site constructors is reduced.

The invention discloses an application of 2,6-di-tert-butyl-4-methylphenol as a plant activator on apple fruits, and belongs to the technical field of plant induced disease resistance. A 2,6-di-tert-butyl-4-methylphenol solution with the concentration of 0.1 mmol*L<-1>-0.2 mmol*L<-1> can be used for inducing apple fruit disease resistance and preventing and treating apple diseases. The 2,6-di-tert-butyl-4-methylphenol solution has no isolated bactericidal or bacteriostatic effect in itself, can induce plant disease resistance under living body conditions, and the drug resistance produced by induction has the characteristics of long persistence and broad spectrum, and 2,6-di-tert-butyl-4-methylphenol is environmentally friendly and safe and does not suitably produce drug resistance. 2,6-di-tert-butyl-4-methylphenol has the advantages of simple use method, low concentration, low amount and low cost, and can also improve the activity of defense enzymes in plants and total antioxidant capacity.

The invention discloses a hardware product grinding device for semi-automatic scrap treatment. The hardware product grinding device comprises a supporting table, wherein a supporting plate is fixedly installed at the top of the supporting table, a fixing mechanism is arranged on the supporting plate, the fixing mechanism is composed of a stepping motor, a supporting pipe, a first threaded rod and clamping plates, and the number of the clamping plates is two; and a supporting mechanism located at the side, away from the supporting plate, of the supporting pipe is arranged on the supporting table. According to the hardware product grinding device, chippings generated in the grinding process can be adsorbed and concentrated through a telescopic hose and a draught fan, so that the influence of chipping diffusion on the body health of workers can be reduced; and a transverse plate can be driven to ascend or descend by rotating a second threaded rod, so that the height of supporting wheels can be adjusted according to the diameter of a rod-shaped hardware product, the rod-shaped hardware product is kept horizontal, and the practicability of the grinding device is improved.

The invention relates to a detecting system for the state of an electrolytic cell. The detecting system is characterized by comprising wireless signal collecting and transmitting module, wireless communication host machines, gateways, a server computer and a workstation; detecting elements are arranged at the sides of the electrolytic cells and are used for detecting the voltages of the electrolytic cells one by one and the temperature of electrolyte; data collected on site is wirelessly transmitted to the signal communication host machines through the wireless signal collecting and transmitting modules; the signal communication host machines transmit the data to a database of the server computer through field buses; electrolytic cell state detecting and managing software is used for analyzing the voltage, temperature and other analytical data of the electrolytic cell into a patterning electrolytic cell state information which is displayed on a workstation interface, and simultaneously the fault state reporting is carried out, and a statement is generated at fixed time. The detecting system has the advantages that the workload of measuring the voltage and the temperature of the electrolyte of workers is greatly reduced, the influence of working environments on the physical health of the workers is reduced, the working efficiency is improved, and the maintenance cost is reduced.

The invention relates to an environmental-friendly downhole hammer rock drilling machine. As the existing downhole hammer rock drilling machine is additionally provided with a liquid supply box and a liquid supply system, the liquid can be jetted with compressed air from the chisel bottom of a drop hammer during operation, and the liquid can be water, grout, bentonite or mortar, when water is used as liquid, a hot chisel can be cooled, thus being beneficial to improving abrasion resistance and work efficiency and ensuring the working life to be long, when grout, bentonite or mortar is used as liquid, collapse around a chiseled perforation can be avoided, thus being beneficial to safe production; besides, the dust produced in punching construction process can be effectively inhibited, noise during the punching construction can be greatly reduced, and meanwhile, punching speed can be effectively improved while the water is jetted and discharged with the compressed air, thus having strong practicability.

Provided is a use method of an oil removal device. The oil removal device comprises a soup pot and an oil remover. The oil remover comprises a pot cover, an extrusion casing, a motor, a guide cylinder, a guide column, a guide sleeve, a lead screw and a controller. The guide cylinder is fixedly connected with the pot cover, the lead screw is meshed with threads of a guide threaded hole of the guide cylinder, and the lead screw is further connected with a rotating shaft of the motor. A motor base of the motor is fixedly connected with the extrusion casing. The pot cover is provided with an oil removal hole and an oil collection groove which are communicated with each other. The pot cover is further provided with a seal ring and an elastic buckle used for connecting the pot cover and the soup pot. During use, the controller controls the motor to drive the lead screw to rotate, the lead screw drives the extrusion casing to move downwards, the extrusion casing moves downwards to squeeze soup in the soup pot so as to raise soup oil on the surface of the soup, the liquid level of the soup oil is controlled by a first liquid level switch and a second liquid level switch of the controller, so the soup oil is discharged into the oil collection groove through the oil removal hole, accordingly the purpose of removing the soup oil on the surface of the soup is achieved, and the influence of edible soup oil on human health is reduced.

The invention discloses a petal type big flame cover and a combustor provided with the same. The petal type big flame cover at least comprises an upper surface. A plurality of bosses are arranged on the upper surface at intervals. A channel for supplementing secondary air is formed between every two adjacent bosses. Each boss is provided with a first surface with the high exterior and the low interior, and a plurality of side faces, wherein the first surface inclines inwards, and flame outlet holes are formed in the first surface or the multiple side faces. A concave table is formed on the portion, close to one side of the center of the big flame cover, of each channel for supplementing the secondary air. The height of each concave table is smaller than the height of each boss. A flame conveying groove used for being connected with flames of an inner ring and an outer ring is formed in each boss. The petal type big flame cover has the advantages that the flame outlet holes are formed reasonably, flames are distributed uniformly, and the heat efficiency is high.

The invention relates to a gas protection automatic welding control device. The gas protection automatic welding control device comprises a controller, a remote-control box and signal transmission cables. The controller is composed of a waveform control module, a numerical value display module and a switching power supply. The remote-control box is used for controlling arc starting, walking, arc quenching and stopping of a welding gun. The remote-control box is connected with a welding machine or a welding tractor through one signal transmission cable, the controller is connected with the welding machine or the welding tractor through one signal transmission cable, and the remote-control box and the controller are relatively independent. The gas protection automatic welding control device is small in size, simple in structure, flexible and convenient to operate, low in manufacturing cost, capable of achieving switching of a DC welding function and a pulsation welding function by being matched with a common economical and durable DC gas protection welding machine, and particularly suitable for welding application and popularization under the severe environment condition such as a workshop environment and an outdoor environment.

The invention discloses an automatic paint spraying assembly line for coal machine equipment. According to the technical scheme, the automatic paint spraying assembly line is characterized by comprising a primer spraying chamber, a primer drying chamber, a finish paint spraying chamber, a finish paint drying chamber, paint spraying robots, a transporting trolley and a transferring platform, wherein primer is sprayed to workpieces in the primer spraying chamber; the workpieces to which the primer have been sprayed are dried in the primer drying chamber; finish paint is sprayed to the workpieces in the finish paint spraying chamber; finish paint is dried in the finish paint drying chamber; the paint spraying robots are arranged in the primer spraying chamber and the finish paint spraying chamber respectively and used for primer spraying and finish paint spraying respectively; the transporting trolley is used for transporting the sprayed workpieces; the transferring platform is used for transferring the transporting trolley; and the transporting trolley transports the workpieces, the paint spraying robots spray paint to the workpieces, the drying chamber dries the painted workpieces, manual paint spraying is not needed, the spraying efficiency is improved, and the influence on the body health of operators is reduced.