125results about How to "With automatic adjustment function" patented technology

The invention discloses a composite primary reflector supporting device for a large telescope, relates to the technical field of photoelectric observation equipment, and solves the problems that supporting force of the conventional primary reflector supporting mechanism greatly influences surface deformation of a primary reflector and influences the imaging quality when the primary reflector has a large caliber. In the device, a radial floating supporting mechanism and a back floating supporting mechanism support the primary reflector through a lever mechanism, a supporting structure of the primary reflector is simplified through a counterweight along axial and radial component force of the primary reflector, the whole weight is reduced, and the counterweight automatically meets the requirement on the supporting force through direction of the supporting force provided by a supporting rod along posture change of the primary reflector. Steel ball transition is adopted between a radial supporting rod and a bushing and between a back supporting rod and the bushing, so that two movable supporting rods are in rolling friction with a fixing piece; therefore, the supporting device has a function of automatically regulating temperature change, and extra stress of the primary reflector given by the temperature change is avoided.

The invention provides a power supply compensation method and a power supply compensation circuit. The method comprises the following steps of: sampling farthest end load voltage and nearest end load voltage respectively; superposing the farthest end load voltage and the nearest end load voltage by using an adding circuit to obtain superposed voltage; dividing the superposed voltage by using a voltage dividing circuit to obtain reference voltage; and inputting the reference voltage into the feedback end of a voltage source, so that the voltage source adjusts the voltage which is output to a load according to the reference voltage which is fed back, wherein the voltage source is a stabilized voltage source with feedback function; and the adjusting step ensures that the reference voltage is close to a fixed value. Variable voltage drop between a far end load and a power supply is uniformly distributed to near end load voltage and far end load voltage, and the working voltage deviation of all load chips under an adjusted voltage source is ensured to be in a fixed range, so that the defect of single end feedback in the conventional power supply compensation method is effectively overcome.

The invention discloses a large-size multi-axis-linkage electrolytic machine tool which comprises a machine tool body, an electrolytic machining pulse power source, an electrolyte circulating and filtering system and an integrated control system. The integrated control system can realize integrated control on machine tool motion parameters, electrolyte parameters and pulse power source parameters; the electrolyte circulating and filtering system adopts parallelly-connected double loops to filter an electrolyte, so that the electrolyte input into a machining area is high in cleanliness, and the electrolyte circulating and filtering system has a function of automatically adjusting the electrolyte parameters ( temperature, concentration and pH value); the machine tool body comprises a bed body, a horizontal workbench, a turnplate, a spindle, a working box and a machine tool cover, and the machine tool can realize five-axis linkage; a numerical-control rotary table is arranged below the turnplate, a sliding device is arranged below the working box, and when a large-size workpiece and a cathode are mounted and adjusted, the working box can move to above the machine tool cover through the sliding device; a protecting device is arranged below the horizontal workbench and the turntable, so that the electrolyte can be effectively isolated from the numerical-control rotary table and a transmission mechanism.

The invention provides a digital camera; an image processing module in the camera is used for image compression and encryption of photos; a wireless communication module is used for completion of a connection between the camera and a cloud computing platform; a positioning module is used for acquiring a coordinate of the current site, so that the location information of the current site can be acquired based on an electronic map. An operating method of the camera by using the cloud computing platform is as follows: after the camera is started, the coordinate of the current site is acquired through the positioning module, and the location information of the current site is acquired based on the electronic map; the wireless communication module automatically searches and connects to the network; the camera is connected with the cloud computing platform, then an identity authentication of the camera is carried out by the cloud computing platform; after image compression and encryption of the shoot photos are completed, according to the set property, the operation corresponding to the property is carried out. According to the digital camera disclosed by the invention, the positioning module is used for acquiring the current positioning information, and the information of the current location is acquired based on the electronic map, then the photos are saved in relevant position through the network in real time.

The invention relates to a long pipe surface thermal spraying device applied to a pipe outside surface thermal spraying protective layer. A track is horizontally fixed on a bracket, a walking trolley is arranged on the track and a thermal spraying system is fixed on the walking trolley. Four to six cylinder-type lifting mechanisms are fixed on a supporting seat at one side of the track; one end of a supporting seat of the cylinder-type lifting mechanism is fixed with a clamping rotation mechanism. Each group of control mechanisms consists of two travel switches, an electric relay and a solenoid valve, and the control mechanisms are fixed on the track. The invention has the advantages of realizing of continuously automatic and efficient thermal spraying on the outside surface of a longer pipe and completely continuous and efficient spraying process, solving the problem of a spraying leakage point caused by the blocking of a bearing support point by using the cylinder-type lifting mechanism and ensuring that the spraying process is complete, continuous and highly-efficient.

The invention discloses a band-sawing machine for carpenters. The band-sawing machine comprises a machine frame, an upper shield, a lower shield, a workbench, an upper saw clamp, a lower saw clamp, an upper wheel and a lower wheel. The upper wheel is arranged in the upper shield, the upper wheel is arranged on a shaft, and the shaft is arranged on a fixing frame. The upper end of the fixing frame is connected with a connecting frame, and the lower end of the fixing frame is connected with an adjusting plate. The connecting frame is fixed to a panel of the upper shield through a bolt. A deviation adjusting nut is arranged at the lower portion of the panel of the upper shield, the deviation adjusting nut is connected with an adjusting pin, and the adjusting pin penetrates through the panel of the upper shield to be in contact with the adjusting plate. An adjusting handle is arranged on the panel of the upper shield, and the adjusting handle is connected with the fixing frame. By the adoption of a novel saw clamping structure, the band-sawing machine for carpenters has better and more stable guiding performance. An air spring is adopted for assisting the workbench in adjusting the inclined degree, and an automatically adjusting function is achieved. An efficient, fast, and convenient adjusting and tension device is adopted to conduct fast adjusting and tensioning on a saw wheel, the use requirement is met, and economic efficiency is improved.

The invention relates to a solar-powered car which has an automatic adjusting function and can prevent light pollution and dazzling. The solar-powered car which has the automatic adjusting function and can prevent light pollution and dazzling comprises a car body and an electricity generation mechanism, wherein the electricity generation mechanism comprises a first photovoltaic panel, two drivingunits and two photovoltaic assemblies; the photovoltaic assemblies comprise supports and second photovoltaic panels; the car body is internally provided with a light weakening mechanism, and the lightweakening mechanism comprises a transverse rod, a sleeve ring, a lifting unit, a translation unit, a light filtering plate and two vertical plates. When the solar-powered car which has the automaticadjusting function and can prevent light pollution and dazzling runs in an urban area, through the driving units, the second photovoltaic panels are driven to rotate towards the first photovoltaic panel, so that light pollution caused by specular reflection is prevented, dazzling feelings of other car drivers are avoided, and then road traffic safety is guaranteed; moreover, through the lifting unit, the light filtering plate is driven to go down to block strong sunlight, and through the translation unit, the horizontal position of the light filtering plate is adjusted, so that a driver has agood sight line, safe driving is guaranteed, and then the practicability of the solar-powered car is improved.

The present invention provides a home security device based on the internet of things and an application method thereof. The device comprises a home appliance networking module, an intelligent controlmodule, an environment monitoring module, a safety defense module, a community service module, a coordination module, a relay module, a home gateway, a central control module, a wireless transmissionmodule, an Ethernet module, a monitoring center, a data collection module, an over-value alarm module and a data storage module. The intelligent control module is configured to control switching on-off of a home appliance and has an automatic regulation function. The data exchange of the control unit and the home device can be timely, effectively, rapidly and accurately completed, the home devicecan accurately and accurately receive a device control command of a main control terminal to perform processing of the data management record when the system is operated and the operated data, and therefore, the home security device is flexible in networking, convenient to add a device and low in usage and installation cost and saves resources.

The invention discloses a rolling and ploughing-extrusion device and method for manufacturing three-dimensional internal and external finned tubes. The device comprises a rack, an adjusting pull rod mechanism, left brackets, a rotatable roller handpiece, an external fin ploughing tool and right brackets. The roller handpiece is provided with external thread roller mechanisms for forming external thread structures on the outer surfaces of metal tubes, and an internal thread roller core mechanism for forming internal thread structures on the inner surfaces of metal tubes. The external thread roller mechanisms are symmetrically distributed on the periphery of the internal thread core mechanism and form roller stations for metal tubes. When metal tubes pass through the roller stations, thread structures are formed on the inner surfaces and the outer surfaces of metal tubes under the rolling action of the external thread roller mechanisms and the internal thread core mechanism. When the device is adopted for machining heat tubes, internal fin structures and external fin structures can be formed at a time, clamping time is effectively shortened, production efficiency is improved, and production cost is lowered.

The invention relates to a multifunctional automobile data recorder with an automatic adjusting function.The multifunctional automobile data recorder comprises a shell, a lifting button, a hanging rod and a suction cup.The suction cup is fixed to one end of the hanging rod.The shell is fixed to the other end of the hanging rod.The lifting button is arranged on the upper portion of the hanging rod.According to the multifunctional automobile data recorder with the automatic adjusting function, the lifting of the automobile data recorder is controlled and adjusted through cooperation of the lifting button and a central processing unit, a second resistor is driven to change coil magnetic force to control the length of a spring in the lifting process, and the angle of a camera lens is adjusted to guarantee the shooting angle; the central processing unit is used for controlling a display screen to display and record driving information in real time, a USB interface is arranged to achieve transmission of shot videos, a light supplementing lamp tube is used for improving shooting luminance, and shooting quality is guaranteed.Diversification of the functions of the automobile data recorder is achieved, and the intelligent degree of the automobile data recorder is improved.

The invention discloses a solid antifoaming agent and a preparation process thereof. The solid antifoaming agent comprises, by weight, 20-40 parts of dimethicone, 5-15 parts of silicon dioxide, 10-30 parts of span-60, 5-15 parts of polysorbate 80, 5-15 parts of polyethylene glycol (PEG) and 10-30 parts of paraffin wax. The preparation process includes the following steps: preparing materials, evenly mixing the dimethicone, the silicon dioxide, the span-60, the polysorbate 80, the PEG and the paraffin wax; heating the evenly mixed materials to 70-90 DEG C and standing for 1.5-2.5 hours at the temperature; discharging, discharging and cooling all the melted materials; and forming, pressing the materials into a round rod shape through a forming machine. The solid antifoaming agent and the preparation process thereof have the advantages that an automatic adjusting function is provided; packaging and transportation costs are reduced; the agent is arranged on a gas piping, so that the production is saved; and the guarantee period is long.

In the present invented display colour compensation system, the display at least includes display panel and light source. Said display colour compensation system includes memory, modulator and controller. Memory is stored multiple groups of gamma look up tables (LUTs), and each group gamma look up table containing colour data. Modulator is electrically connected with memory and display panel. Controller is electrically connected with memory and light source. When light source is turned on, controller calculates light source usage time. While light source usage time reaches first preset time, controller selects a group of gamma look up table from memory, and providing colour data to modulator, modulator utilizing said provided colour data generating driving voltage for providing to display panel.

The invention discloses an electrolytic machining machine tool and a working method thereof. The electrolytic machining machine tool comprises a machine tool body, an electrolytic machining pulse power supply, an integrated control system and an electrolyte circulating filtration system. A compound feeding mode that continuous feeding and motion law accurately-controllable reciprocating motion are combined is adopted, and the controllable reciprocating motion and the bipolar grouped pulse power supply are accurately matched. Under the control of the integrated control system, the electrolyte circulating filtration system, the bipolar grouped pulse power supply and compound feeding motion are subjected to time-sharing control according to the electrolytic machining process requirement, meanwhile parameters of the reciprocating motion are adjustable, and precise electrolytic machining is achieved. The electrolytic machining machine tool and the working method have the comprehensive effects of high automation degree, stable machining process, short process preparation period and the like and can achieve precise efficient electrolytic machining of parts having hole clusters, gap cluster, protrusion clusters and other feature structure.

The invention relates to an energy-saving face identification device with an automatic adjustment function. The energy-saving face identification device comprises a base, a power supply plate, an identifier, a first cable, a lifting mechanism and two trigger mechanisms, the trigger mechanisms comprise trigger components, connecting components, first cylinders and first pistons, the connecting components comprise conductive boxes, conductive rods and two conductive units, the lifting mechanism comprises a motor, a connecting plate and two lifting components, and the lifting components compriseconveying belts, driven wheels, supporting units, driving shafts and driving wheels. The energy-saving face identification device with the automatic adjustment function can automatically control the identifier to be opened and closed through the trigger mechanisms according to a condition whether a user stands on a pedal or not, and the device avoids that redundant electric energy is consumed as the identifier is powered on when the user is absent, so that the device saves the energy. Compared with an existing trigger mechanism, the height of the identifier is adjusted by the lifting mechanism, a camera faces to the face of the user, a right face image is conveniently shot, and the face identification accuracy of the device is improved.

The invention relates to an outdoor project lamp with the good illumination effect and an automatic adjusting function. The outdoor project lamp comprises a base, a cleaning block, a fixing block, a rotating plate, a supporting rod, an project lamp body and an adjusting mechanism, the base is internally provided with a rotating mechanism, and the cleaning block is provided with a cleaning mechanism; and the rotating mechanism comprises a first motor, a rotating disc, a positioning pin, a rotating rod, a limiting rod and a connecting rod, the adjusting mechanism comprises a positioning block, adriving unit and a telescopic unit, and the cleaning mechanism comprises a lifting unit, a lifting block and a washing unit. According to the outdoor project lamp with the good illumination effect and the automatic adjusting function, through matching of the rotating mechanism and the adjusting mechanism, the illumination angle of lamp light can be automatically adjusted according to the positionwhere the lamp is mounted and the size of an object; and not only that, dust accumulated on the surface of a lampshade can be cleaned by the outdoor project lamp through the cleaning mechanism, the situation that scattering occurs on the light of the outdoor project lamp is avoided, the situation that the light intensity of the light emitted by the outdoor project lamp is weakened is avoided, andthe illumination effect is enhanced.

The invention relates to a new energy automobile motor with stable rotation and an automatic adjustment function. The new energy automobile motor includes a housing; a balance mechanism and two ventilation mechanisms are arranged in the housing; each ventilation mechanism includes a plurality of ventilation components; the balance mechanism includes a disc and a plurality of balance components. Each ventilation component comprises a transmission component, a turntable, a ventilation unit and a plurality of pushing units. Each ventilation unit comprises a vent, a blocking plate, a driving rod,a curved plate and two first springs. Each balancing component comprises a damping component and two anti-bias components. According to the new energy automobile motor with stable rotation and the automatic adjustment function, in the state of high-speed rotation of a rotating shaft, the curved plates in the ventilation mechanism can allow the blocking plates to keep away from the housing under the action of the pushing units through the drive rods, the vents are exposed to enhance air circulation, and heat dissipation is facilitated. In addition, the balance mechanism ensures the stable rotation of the disc, and thus the stable rotation of the rotating shaft is realized, which is beneficial to the smooth running of the new energy automobile; and the practicability of the motor is improved.

The invention discloses a method for defoaming a pipeline from the mouth of a gas well to a separator by using a solid defoamer device. The method comprises the following steps of: mounting the solid defoamer device on the gas transmission pipeline between the mouth of the natural gas well and the separator; specially making a defoamer be in a solid state and putting the solid defoamer into the solid defoamer device; enabling the solid defoamer to be in direct contact with transmission fluid; and dissolving the solid defoamer by the transmission fluid. The method has the beneficial effects that: the method is energy-saving and consumption-reducing and has no need of using a plunger pump and electric energy; the solid defoamer device has an automatic adjustment function, when liquid is produced, the solid defoamer is dissolved, when the liquid producing capacity is larger, more solid defoamer is dissolved, and thus, the waste of pharmaceutical products is avoided; the solid defoamer is placed in the solid defoamer device at a time and can be used for a number of days, and the daily putting is not needed, so that the cost for production and maintenance of the gas well is greatly saved, the technical difficulty and the labor intensity in operation are reduced, and the labor power is saved; and the fluid is in sufficient contact with the solid defoamer, the defoaming is complete, and the accident that foams cross a tower can be effectively prevented, so that the method is safe and reliable.

The disclosed multilink transmission device supporting the access of Ethernet business comprises: a SDH framing device connected with a control module, and an Ethernet dual-layer exchange chip with a wire side and system side interfaces that connects with the framing device and control module and sends Ethernet business data from wire side interface to corresponding system side interface as their objective then to the framing device. This invention saves exchange device and reduces cost.

The invention relates to an aerodynamic decelerator which comprises a canopy and a plurality of dense momentum adjusting assemblies. The canopy comprises a top face and a side face. The dense momentum adjusting assemblies are evenly distributed on the top face and the side face of the canopy and comprise return locks, first wind plates, second wind plates, first elastic pieces, second elastic pieces and wind plate clamps. The design scheme of the aerodynamic decelerator capable of automatically adjusting the dense momentum is creatively provided. Compared with the prior art, the aerodynamic decelerator is based on the hydromechanical basic principle, and the aerodynamic decelerator has the automatic adjusting function on the dense momentum by means of the design of one-way air channels, the wind plates, the wind plate clamps, the return locks and the elastic pieces. A pair of acting force and counter acting force is formed by aerodynamic force formed by the wind plates and elastic force, provided by the elastic pieces, of the return locks, and the aerodynamic decelerator achieves the automatic adjusting function on the dense momentum by changing the included angle between the wind plates and the canopy.

The invention relates to a lock with a function of acquiring variable passwords by means of scanning functions corresponding to two-dimensional codes by mobile phones, a two-dimensional code identifier and a password lock power supply module, and belongs to the technical field of electronic information and shared locks. The lock comprises four password disks, four password knobs, the two-dimensional code identifier, two-dimensional code built-in holes, elastic push keys, keyboard conductive rubber and the like. Each two-dimensional code corresponds to the corresponding independent function Fn, the functions are stored in memories of a variable password lock (8) and function libraries of background management servers, identical operating results can be obtained as long as identical initial values are available, the two-dimensional codes can be scanned and transmitted by the mobile phones, accordingly, input passwords can be obtained, and unlocking can be carried out. The lock, the two-dimensional code identifier and the password lock power supply module have the advantages that variable password functions can be implemented; warning can be given when the passwords are continuously mistakenly inputted for more than three times; voluntary charge can be completely carried out; the two-dimensional codes of the lock can be scanned by the mobile phones, accordingly, functions of logistics nets can be implemented, the cost of the lock can be lowered to a great extent, development of early lock management programs can be reduced to a great extent, and only background management programs need to be developed.

A double-disc wedge gate valve adopting composite spring connection comprises a valve body, discs, a valve rod, a bearing gland, fasteners and other components, wherein the upper end of the valve rod is matched with sealing packing in a seal box at the upper part of a valve cover, extends out of a packing gland to be matched with a T-shaped nut on a bracket, is in transmission connection with the nut through threads and is connected with an actuating mechanism; double discs, namely, a left disc and a right disc are adopted and are obliquely arranged, the width of the upper part of a gap between the left disc and the right disc is larger than that of the lower part of the gap, springs are arranged between the left disc and the right disc for connection, a wedge cam with a wedging function is arranged between the left disc and the right disc, and the upper ends of the double discs, namely, the left disc and the right disc are nested together through an upper baffle. According to the double-disc wedge gate valve, spring connection is adopted, the distance between the sealing surfaces can be automatically adjusted, and the defect of absence of interchangeability of conventional products is overcome. Due to the adjusting performance of the springs, the phenomena of wedge failure frequently occurring to the conventional gate valves at the high temperature are reduced, the temperature change can be automatically adjusted through the springs, and the double-disc wedge gate valve is particularly suitable for being used as valves of a power station in the high-temperature environment.

The invention relates to curved surface silk-screen printing equipment with an automatic adjustment function. The curved surface silk-screen printing equipment comprises a base, a controller, a top plate, a placing mechanism, a printing mechanism, two supporting plates and two fastening mechanisms. The placing mechanism comprises a lifting component, a placing platform and two fixing components. Each fixing component comprises a moving plate, a first motor, a bearing, a first driving shaft, a wire reel, a stay wire and two first springs. Each fastening mechanism comprises a second motor, a gear, a rack, an adjusting component and multiple fastening components. By the adoption of the curved surface silk-screen printing equipment with the automatic adjustment function, a printed material canbe conveniently placed on the placing mechanism by people and fastened by the fastening mechanisms, the racks move to drive a frame to move while the gears drive the printed material to rotate, and printing ink is attached to the surface of the printed material through a silk-screen plate by scrapers, so that silk-screen printing is smoothly performed, and the practicality of the equipment is improved.

The invention relates to an electromagnetic induction type wireless charging vehicle with an automatic adjustment function. The vehicle comprises a vehicle body, a chassis and four vehicle wheels; a charging mechanism is arranged below the chassis, the charging mechanism comprises a bottom plate, a charging coil, at least two adjusting mechanisms and at least two testing mechanisms, each adjustingmechanism comprises a motor, buffer blocks, a drive shaft, a slide block and a connecting unit, each testing mechanism comprises side plates, a magnetic field measurement assembly and a height measurement assembly, and each magnetic field measurement assembly comprises a voltmeter and a test coil. The electromagnetic induction type wireless charging vehicle with the automatic adjustment functiondetects the magnetic field distribution situation around the charging coil through the testing mechanism, and further detects the height position of the bottom plate, after the detection is completed,the angle of the bottom plate and the height of the charging coil are adjusted through each adjusting mechanism, so that the charging coil is close to the ground, the charging coil is perpendicular to a magnetic force line of a magnetic field, the magnetic flux in the charging coil is improved, and then the charging efficiency and the practicability of the vehicle are improved.

The invention relates to the technical field of machine tools, in particular to an end surface milling and multi-position end surface drilling and tapping compound machine tool. The end surface milling and multi-position end surface drilling and tapping compound machine tool comprises a machine tool body and a servo control system. A guide rail is arranged on the machine tool body, clamp systems are symmetrically arranged on the guide rail, processing mechanisms are symmetrically arranged at the left and right ends of the guide rail, each processing mechanism comprises a slide, a first feedingmechanism and a second feeding mechanism are separately arranged on the slides, a left power tool turret and a right power tool turret are respectively arranged on the first feeding mechanism and thesecond feeding mechanism, a first powerful milling power motor and a second powerful milling power motor are also respectively mounted on the first feeding mechanism and the second feeding mechanism,and tools are mounted on the first powerful milling power motor and the second powerful milling power motor. According to the structural arrangement of the device, the end surface milling and multi-position end surface drilling and tapping compound machine tool carries out processing at two ends simultaneously, so that the production efficiency of the end surface milling and multi-position end surface drilling and tapping compound machine tool is higher than that of a horizontal processing center or a boring mill. The end surface milling and multi-position end surface drilling and tapping compound machine tool is high in rigidity, has an independent end surface milling system and is suitable for processing with a relatively large dimension and a relatively large chipping allowance.

The invention discloses a chain transmission tension device for tensioning and regulating the chain in the chain transmission, comprising a tension sprocket, a support shaft, a regulating board, a regulating bolt, an adjusting block and a spring; the regulating board is provided with a longitudinal long groove and a regulating hole communicated with the longitudinal long groove; the adjusting block is installed in the longitudinal long groove and is connected with the regulating board in sliding manner; the top end of the support shaft passes through the tension sprocket and is pivoted with the tension sprocket; the tail end of the support shaft is installed in the longitudinal long groove and is connected with the regulating board in sliding manner; one end of the spring is abutted against the adjusting block and the other end thereof is abutted against one side of the support shaft; and the regulating bolt passes through the regulating hole and is abutted against the other end of the support shaft. The chain transmission tension device not only has simple structure and easy process, but also has automatic application function, smoothness and reliability, convenient operation, easy regulation and wide application.

The invention discloses a heat preservation and moisture preservation device with an automatic adjusting function for a department store. The heat preservation and moisture preservation device comprises a base and a framework shell, wherein the base is of a hollow structure, a power switch, the framework shell and a storage battery device are mounted in a cavity of the base, the framework shell isfixedly connected to the upper end surface of the base, the movement of a copper pointer changes the resistance value, so that the current value changes, further, the heating power of a first heatingresistance wire, an object carrier and a second heating resistance wire is changed, and the supply of heat energy is reduced. Due to the combined movement of a piston, a connecting rod and a lever, the piston stops the flow rate of water flow in a cavity of a water pipe, thus the rate of a titration nozzle in dripping water to a water tank is reduced, and the evaporation of the water in the watertank can satisfy the humidity of the residual food. Along with the selling of the food, the inside energy supply is automatically adjusted along with the reduction of the weight of the food, and thusthe cost needed by energy supply is greatly saved.

The invention discloses a coating device for building artworks, having an automatic adjusting function. The coating device comprises a base, artworks, a bearing plate and a crossbeam, wherein the artworks are placed on the upper wall surface of the base; the bearing plate is mounted on the upper wall surface of the base and located behind the artworks; the crossbeam is placed on the upper wall surface of the bearing plate; a core unit is arranged on the lower wall surface of the crossbeam; and an auxiliary unit is mounted on the lower wall surface of the crossbeam and the side wall surface ofthe base. The coating device has the beneficial effects that the coating device is compact in structure and low in cost; through massive semi-automatic design, the working procedure of coating on artworks can be quickly and effectively completed, after the first building artworks are coated, a lifting spraying mechanism performs coating on the next building artworks, a drying mechanism can quicklydry the previous building artworks, and the working efficiency is improved effectively.

The invention discloses an intelligent ore crushing device with an automatic adjusting function. The intelligent ore crushing device comprises a machine body, a frequency converter and gravity sensors, a feeding opening is fixedly formed in the upper portion of the machine body, a forward and reverse motor is installed on the left side of the feeding opening, a second sliding groove is formed in the inner surface of the feeding opening, an opening is formed in the upper portion of the machine body, a driving motor is installed on the left side of the machine body, the output end of the driving motor is connected with a crushing roller on the upper portion in the machine body, and a second open groove is formed in the surface of the right side of the machine body. According to the intelligent ore crushing device with the automatic adjusting function, the feeding quantity can be detected through a feeding gravity detection device formed by the froward and reverse motor in the feeding opening and the gravity sensors on the surfaces of material separation plates, through cooperation with use of the frequency converter installed on the surface of the output end of the driving motor, the device can automatically adjust the rotating speed of the crushing roller driven by the driving motor conveniently by combining the material feeding quantity with use of the frequency converter, and then the ore crushing effect is improved.

The invention discloses a food quality detection system and detection method based on an electronic nose. The food quality detection system comprises an electronic nose system, air filtering devices and a micro computer and also comprises a sample container, wherein the air filtering devices comprise a first filtering device and a second air filtering device; the electronic nose system is connected with the micro computer; the first air filtering device is connected with the sample container, and the second air filtering device is connected with the electronic nose system. Upper computer control software used for controlling the electronic nose system to set working parameters, detect samples, clean a sensor and collect, process and analyze experiment data is arranged in the micro computer. The electronic nose system comprises a sensor array, an air supply power device and a plurality of air chambers. The baseline drift problem of a semiconductor gas sensor is solved by the threshold stochastic resonance cross correlation coefficient analysis technology of the system, and the accuracy of food quality analysis is increased.

The invention belongs to the technical field of chassis safety, and in particular relates to a cliff anti-fall van vehicle based on lateral sliding, which includes an adjustment mechanism and a carriage. Gear meshing; the first gear drives the fifth gear to rotate; the fifth gear drives the third gear to rotate; the third gear drives the second rack to move; the center of gravity of the carriage moves between the other three wheels through the second rack; The carriage is supported by the other three wheels; preventing the carriage from slipping off the cliff. When the van vehicle is running, when the wheels pass through a large road pit, the center of gravity of the compartment will be greatly inclined; in this case, the first gear meshes with the fourth gear; the first gear drives the fourth gear to rotate; the second The four gears drive the second rack to move; through the second rack, the center of gravity of the car is moved between the other three wheels; to prevent the vehicle from overturning due to the tilt of the center of gravity caused by passing through an excessive road pit.