46results about How to "With automatic lifting function" patented technology

A magnetic levitation device with the function of automatically lifting a suspended matter comprises a magnetic levitation component; a lifting component is arranged on the magnetic levitation component and at the position corresponding to the suspended matter; the lifting component comprises a pallet rack, a lifting column, a lifting transmission component and a control unit; the pallet rack is positioned at the bottom of the suspended matter; one end of the lifting column is connected with the pallet rack, and the other end of the lifting column is connected with the output end of the lifting transmission component; and the control terminal of the lifting transmission component is connected with the control unit. The magnetic levitation device has the advantages of simple and compact structure, low cost, high degree of automation, simplicity and convenience in operation, stability and reliability in working, and the like.

The invention relates to a disassembly method for recycling a liquid crystal display (LCD) and a device thereof. The steps of the method comprise: a panel of the liquid crystal display is provided; a first side of the panel is positioned; the first side of the panel is cut; a first rotation of the panel is carried out and a second side of the panel is cut, thus being beneficial to sorting a first material and a second material of the panel. The invention is mainly characterized in that an automatic edge-cutting device is adopted to cut the structure at the assembly part of the LCD panel so as to ensure that resources and items made of different materials in the panel are separated from each other and lay a foundation for the followed sorting and recycling of resources and deal with the situation that large quantity of LCD appears in future. In addition, compared with the traditional method which adopts manpower and power-driven tools, the method of the invention saves time consumption nearly 10 times.

The invention relates to an intelligent infusion rack which comprises an infusion rack body, a controller and an ultrasonic transmitter. The infusion rack body comprises a base and a support. The support is arranged on the base and provided with a plurality of hooks. The hooks are used for hanging infusion bags or infusion bottles. The base is provided with a plurality of wheels and a plurality ofultrasonic receivers. The ultrasonic transmitter is used for being detachably arranged on a body of an infusion patient and transmitting ultrasonic signals under the control of the controller. The ultrasonic receivers are used for receiving the ultrasonic signals and transmitting the ultrasonic signals to the controller. The controller is used for calculating the difference of time when the ultrasonic receivers receive the ultrasonic signals and calculating the direction and distance of the ultrasonic transmitter according to the difference of time, thereby controlling the movement of the wheels towards the ultrasonic transmitter. The intelligent infusion rack is compact in structure and convenient to move, and the automatic lifting function and the automatic following function can be realized.

The invention discloses a quick changing method and system of an expressway overline bridge. The quick changing method is suitable for dismantling, new construction and change of overbridges stretching over expressways and comprises the steps that S1, construction preparation is executed, wherein besides an existing roadbed nearby an original bridge, a construction site is arranged; S2, in the construction site, an integrated bridge upper-portion structure of one or more new bridges are formed through splicing; S3, a bridge lower-portion structure of each new bridge is arranged; S4, one or more integrated bridge upper-portion structures are moved to designed bridge positions and bridge setting is executed. The quick changing method has the advantages of being quick and having low traffic influence and the like and can be widely applied to the technical field of quick change and construction of overline bridges.

The invention discloses an intelligent seat which comprises a horizontal adjusting support, adjusting rods, a horizontal sensor and a controller. The upper end of the adjusting rod located in the front of the seat is connected with the horizontal adjusting support, and the lower end of the adjusting rod is connected with a first motor and is vertically driven by the first motor. The upper end of the adjusting rod located in the back of the seat is connected with the horizontal adjusting support, the lower end of the adjusting rod is connected with a second motor and is vertically driven by the second motor, and the first motor and the second motor are rotatably installed on a base of the seat. The horizontal sensor is fixed to the horizontal adjusting support and transfers a detected signal to the controller, and the first motor and the second motor are controlled by the controller. The problem that the sitting face of an existing seat is uneven under the situations of uphill, downhill and the like is solved, the intelligent seat can be always kept in a horizontal state through control in due time, meanwhile the gravity can be always located between two wheels in the uphill or downhill process, and the intelligent seat has an automatic lifting function.

The invention relates to the field of smart home, in particular to an auto-lifting airing rack with a drying function, comprising a frame; a first rotation cavity is arranged inside the frame; a motoris fixedly arranged on the upper wall surface of the first rotation cavity; and a first rotating shaft is arranged below the motor in a power connection manner. The auto-lifting airing rack with thedrying function provided herein can be used as an airing rack, can also provide drying for washed clothes, has an auto-lifting function which makes it convenient for a user to hang clothes, can be used as a simple airing rack in summer, can dry the clothes in winter when the clothes are hard to air, and has double purposes so that space is saved.

The invention discloses a building construction bearing frame which comprises a U-shaped bottom board. The two corresponding sides of the surface of a lead screw are in threaded connection with supporting blocks. The top ends of the supporting blocks are rotationally connected with a rhombus expansion frame. The top of the U-shaped bottom board is vertically and fixedly connected with guide columns. The surfaces of the guide columns are in sliding connection with a workbench. The bottom of the workbench is in sliding connection with the position between the surfaces of sliding blocks. A spliced layer support device is cooperatively connected with the surfaces of connecting guide columns and located at the top of the workbench. The positions located on the surface of the U-shaped bottom board and located at the corners are fixedly connected with moving devices. The bottom of the U-shaped bottom board is fixedly connected with a base. The invention relates to the technical field of building construction. The building construction bearing frame achieves automatic lifting and convenient moving effects, the structure is reasonable and simple, use is convenient, the building constructionbearing frame does not need to be manually constructed, labor intensity is reduced, time and labor are saved, movement is convenient, stability is good, the building construction bearing frame is safe and reliable, potential safety hazards are reduced, and work efficiency and use performance are improved.

The invention relates to a transfusion suspension rod and a transfusion sky-rail system. The transfusion suspension rod comprises a driving module, a controller, a telescopic module and a measurementmodule, wherein the telescopic module comprises a telescopic rod, and a plurality of hangers are arranged on the telescopic rod, are used for hanging a transfusion bottle or a transfusion bag and canrotate along the telescopic rod; and the driving module is used for the telescopic module to finish a stretching / shrinking function under the control of the controller, the measurement module is arranged on the telescopic module and is sued for measuring the flow speed of liquid in the transfusion pipe, and the controller is used for adjusting the heights of the hangers according to the flow speedso as to realize the adjustment of the flow speed. According to the transfusion suspension rod and the transfusion sky-rail system, a lots of drawbacks in the prior art can be effectively avoided; and the transfusion suspension rod and the transfusion sky-rail system are compact in structure, have an automatic lifting function and a draining speed monitoring function, and the draining speed can be automatically adjusted.

The invention discloses an anti-thunder lightning arrester with an automatic lifting function, comprising an insulating base, wherein an annular ring body is arranged on the insulating base; an opening is formed on the top of the annular ring body; a plurality of metal sheets are arranged on the outer side of the annular ring body; a groove is formed between the metal sheets; and an insulating sheet is disposed on the groove. The invention provides an anti-thunder lightning arrester with an automatic lifting function, the structure is set ingeniously, and a relatively uniform layered electricfield environment is utilized to repel the thundercloud electric field so as to achieve a significant reduction in the probability of lightning strikes. When the electric field generated by an inducedcharge layer cannot repel the excessive thundercloud electric field, the thundercloud electric field is attracted by a lightning rod, discharges and releases a large amount of energy through a discharge tungsten wire, and flows to the earth through an earth wire; moreover, when the weather is fine, the insulating base is put away to avoid affecting the space at the top of the floor; and when lightning weather occurs, the insulating base is raised for anti-thunder lightning protection.

The invention relates to a steel-stainless steel mining gas drainage pipe exploding welding device and welding method. The welding device comprises a stainless steel inner composite pipe, a steel basepipe and a restraining pipe mold which are vertically and coaxially arranged from inside to outside; explosive layers are uniformly arranged on the inner side face of the stainless steel inner composite pipe; an air layer is arranged between the stainless steel inner composite pipe and the steel base pipe; and the position between the steel base pipe and the restraining pipe mold is filled with arestraining layer composed of liquid or solid granular materials. According to the steel-stainless steel mining gas drainage pipe exploding welding device, the position between the steel base pipe and the restraining pipe mold is filled with the dispersible restraining layer, universality of the pipe mold is widened, and one pipe mold is adopted and can be used for preparing steel-stainless steelcomposite pipes in a series of pipe diameters. The steel-stainless steel composite steel pipes prepared through the welding method are free of the surface defects of cracks, scratches, pits and the like according to quality test, the combining rate of the steel base pipe and a stainless steel inner composite pipe combining area is higher than 96%, and requirements are met.

The invention discloses a remotely-controlled lifting-type multifunctional laundry rack. The remotely-controlled lifting-type multifunctional laundry rack comprises an infrared remote controller, a plurality of installation top pedestals, a clothes hanging rod, a control box, a rotating motor, clothes hanging holes, an electrical heating rod, ultraviolet disinfection lamps, a reel, a retractable line, and a hand crank; a remote control circuit is arranged in the infrared remote controller; the remote control circuit comprises a first single chip microcomputer, a first laundry rack rising button, a first laundry rack falling button, a first drying button, a first disinfection button, and an infrared emitter; a control circuit board is arranged in the control box; a control circuit is integrated on the control circuit board; the control circuit comprises a second single chip microcomputer, a second laundry rack rising button, a second laundry rack falling button, a second drying button, a second disinfection button, an infrared receiver, a motor driver, a heating control relay, and a disinfection control relay. The remotely-controlled lifting-type multifunctional laundry rack is simple in structure, high in user-friendly degree, complete in functions, high in working stability and reliability; application and operation are convenient; and frequent maintenance is not needed.

The invention discloses an electrical equipment mounting rack with an automatic lifting function. The electrical equipment mounting rack comprises a base, a scissor rack, a solar cell panel and a bearing plate. A slot body is formed in the top end of the base, and a control panel is arranged at one end of the slot body. A single chip microcomputer is arranged at one end of the inner part of the control panel, and a storage battery is arranged at the other end of the inner part of the control panel. A door body is arranged at the bottom end of one side of the slot body, the bottom end of the inner part of the slot body is hinged with the scissor rack, and the bearing plate is fixed arranged at the top end of the scissor rack. The solar cell panel is fixedly arranged at the center of the topof the bearing plate through a stand column, and the output end of the solar cell panel is electrically connected with the input end of the storage battery through a photovoltaic controller. The electrical equipment mounting rack is provided with a hydraulic telescopic rod and the scissor rack, and the top end of the scissor rack is connected with the bearing plate, so that the hydraulic telescopic rod is convenient to stretch out and draw back according to demands, therefore the height of the scissor rack is adjusted, and the automatic lifting of the bearing plate is realized.

The present invention proposes a plasma cutting machine, comprising: a base, a first moving assembly, a second moving assembly, a lifter, an arc pressure sensor, a controller, and a cutting assembly, and a workbench for placing plates to be cut is arranged on the base, The first moving component is mounted on the base and can move in a first direction relative to the base; the second moving component is mounted on the first moving component and can move in a second direction perpendicular to the first direction relative to the first moving component , the elevator is fixed on the second moving assembly, the cutting assembly is installed on the elevator and can be driven up and down by the elevator, the arc voltage sensor is installed on the cutting assembly, the signal of the arc voltage sensor is connected to the controller, and the controller controls the connection lift. A plasma cutting machine proposed by the present invention has simple structure, convenient operation, safe and reliable use, and can automatically adjust the distance between the front end of the cutting tool and the cut point according to the unevenness of the metal plate, effectively improving the cutting quality and cutting effect. Accuracy, reduce production and maintenance costs.

The invention discloses an intelligent lifting closestool chair, and relates to the technical field of closestool chairs. The closestool chair comprises a seat and a supporting mechanism arranged under the seat; the seat comprises a sitting plate, a closestool chair cover which covers the sitting plate, a closestool panel fixedly connected to the lower surface of the sitting plate, and armrests arranged on the two sides of the sitting plate; the supporting mechanism comprises a pair of upright columns, the front sides of the stand columns are provided with a pair of bottom plates and a pair of connecting rods, the connecting rods are located over the sitting plate, and a lifting mechanism used for lifting the chair is further arranged on the sitting plate. The closestool chair has an automatic lifting function, is used for lifting elder people or users with forceless legs and feet from a closestool, is flexible to use and high in automation degree, and solves the problem that elder people and patients with forceless legs and feet have difficulty in standing.

The invention discloses a film provided with an automatic lifting function and used for a greenhouse. The film comprises a rolling shaft, a film body is arranged on the rolling shaft, a sealing side is arranged at the end opposite to the joint of the film body and the rolling shaft, a driving motor is arranged on the side face of the rolling shaft, a processing chip is arranged in the driving motor, and the processing chip is connected with the driving motor through a wire. The driving motor is provided with a light sensor which is connected with the processing chip through a wire, and a humidity sensor which is arranged in soil and in wireless connection with the processing chip. In this way, the film provided with the automatic lifting function and used for the greenhouse can automatically judge the ascending and descending of the film according to the temperature and the humidity, and labor force is greatly saved.

The invention discloses a three-dimensional lifting type correction wheel storing and taking device. The device comprises a storage bin, wherein the storage bin comprises a first supporting frame, a storage layer arranged in the first supporting frame and used for storing correction wheels and a lifting mechanism used for achieving lifting of the storage layer, wherein the lifting mechanism comprises a motor, a gear connected with the motor and a rack meshed with the gear; the rack is arranged on the first supporting frame, the storage layer is connected with the motor, the motor drives the gear to rotate, and lifting of the storage layer is achieved through cooperation of the rack; and the first supporting frame is provided with a correction wheel inlet and outlet used for allowing the correction wheel to enter and exit. The storage bin is a multi-layer storage space and can store a plurality of correction wheels, the storage bin has an automatic lifting function and can automaticallytransport the correction wheels to the proper height position, the correction wheels can move back and forth between the transition lifting table and the storage bin along the guide plate, materialsare convenient to take and place, the participation degree of manual carrying of the materials is reduced, the occupied space is small, and the space utilization rate is effectively improved.

The invention relates to the technical field of cutting, in particular to an intelligent feeding device for steel plate cutting. The intelligent feeding device comprises a metal laser automatic cutting machine, a tray is arranged at one side of the metal laser automatic cutting machine, a plurality of steel plate materials are arranged at one side of the tray, and a bottom plate is fixedly connected to one side of the metal laser automatic cutting machine; and a U-shaped guide frame is fixedly connected to one side of the bottom plate, a U-shaped supporting frame is fixedly connected to one side of the metal laser automatic cutting machine, a mounting groove is formed in one side of the U-shaped supporting frame, and the U-shaped guide frame is fixedly connected to the inner side of the mounting groove. According to the intelligent feeding device, the U-shaped guide frame, the U-shaped supporting frame, a lifting plate, a servo motor A, a first transmission device, an H-shaped slidingblock, a material pushing block, an automatic back-and-forth movement device, an L-shaped material pushing frame, a one-way passing plate, a precise driving device, an L-shaped positioning frame, a guide jacking plate and an automatic jacking device are arranged, so that the intelligent feeding device has the functions of automatic feeding, automatic continuous feeding, double material pushing, automatic positioning, automatic fixing and the like.

The invention pertains to the technical field of production of polycrystalline silicon ingots, in particular to a stainless steel baking oven. The stainless steel baking oven comprises a stainless steel oven box, two ends of which are oppositely provided with a feeding port and a discharge port. The feeding port and the discharge port are provided with movable doors. A trolley, performing reciprocating motion, is arranged in the oven body. Trundles at the bottom of the trolley are connected with parallel guide rails correspondingly arranged at the bottom of the oven body in a slidably-matched mode. A controller is arranged on the oven body. The parallel guide rails extend outwardly from two ends of the oven body. Avoiding grooves, corresponding to the parallel guide rails, are arranged in the bottoms of the movable doors in a matching mode. Air curtain devices are arranged at tops of two ends of the oven body and behind the movable doors and downwardly provided with air outlets communicated with the interior of the oven body. The stainless steel baking oven has following beneficial effects: the stainless steel baking oven is simple in structure, convenient in operation and application, fine in thermal insulation performance and high in production efficiency and capable of maintaining the constant temperature of the oven body and has low labor intensity of workers so that the stainless steel baking oven is especially suitable for popularization and application.

The invention discloses a toilet chair with a lifting function, and relates to the technical field of toilet chairs. The toilet chair comprises a seat, a motor box arranged at the left and right sides of the bottom of the seat and a lifting mechanism arranged inside the motor box, wherein the seat includes a toilet chair seat, a toilet chair cover used for covering the toilet chair seat, a toilet plate fixedly connected to the lower surface of the toilet chair seat, and armrests arranged on the two sides of the toilet chair seat. The toilet chair has the function of automatically lifting, and can be directly installed on a toilet, or separately placed on the toilet. The toilet chair has the advantages of flexible use and high automation, and can lift a user from the toilet, thereby solving the problem that the aged and the patients with weak legs and feet have difficulty in standing up after defecation.

The invention discloses a movable mixing plant with a hydraulic jacking system, and relates to the field of concrete mixing devices. The movable mixing plant with the hydraulic jacking system comprises a main body support, wherein the main body support is connected with a batching bin, a mixing bin and a weighing belt conveyor used for conveying materials discharged from the batching bin to the mixing bin, a plurality of rotatable moving wheels are arranged at one end of the main body support, the other end of the main body support is configured to be connected with a traction vehicle, the main body support is connected with a hydraulic jacking mechanism, and the hydraulic jacking mechanism is used for jacking or lowering one end, close to the mixing bin, of the main body support. The movable mixing plant with the hydraulic jacking system provided by the embodiment of the invention has an automatic lifting function, and does not need to be equipped with additional hoisting equipment during mounting and dismounting.

The invention belongs to the field of railway tunnel maintenance and management, and discloses a tunnel maintenance platform. The tunnel maintenance platform comprises a chassis portion, a carriage portion, a lifter portion and an equipment portion. The chassis portion comprises a transmission system and a brake system. The transmission system is composed of a base plate, an electric motor and a rotating shaft, and wheel sets are respectively arranged at the two ends of the rotating shaft. The brake system is composed of a brake shoe, a brake pad, a brake rocking handle, a rotating sleeve and a brake hand wheel. The carriage portion is composed of a carriage frame, a carriage door, and a carriage body formed by combining the carriage frame and a carriage panel. The lifter portion is mainly composed of a platform, equipment, a motor and an electric cable, wherein the platform is a slab, a cable bearing column and a one-level folding platform body connected with one side of the slab in a rotating mode are arranged on the slab, and the one-level folding platform body is connected with the top end of the cable bearing column through a traction cable. The tunnel maintenance platform has the self-walking function and the self-lifting function and is provided with a multifunctional hydraulic rock drilling set, and therefore the labor intensity is lowered, the efficiency is improved, the quality is guaranteed, and the labor force input is reduced.

The invention relates to the technical field of environment detection, in particular to a civil engineering environment detection device which comprises an air detector, the air detector comprises a detection probe, a bottom plate is arranged on one side of the air detector, a fixed column is fixedly arranged on one side of the bottom plate, a rotating column is arranged on one side of the fixed column, a rotating shaft hole is formed in one side of the fixed column, and a bearing is fixedly arranged on the inner side of the rotating shaft hole. A rotating shaft is fixedly arranged on the inner side of the bearing, one end of the rotating shaft is fixedly connected to one side of a rotating column, a motor A is fixedly arranged on one side of a fixed column, and a transmission device is arranged between the motor A and the rotating shaft. Through the arrangement of the driving block, the threaded rod, the motor B, the fixed column, the rotating column, the rotating shaft, the motor A,the transmission device, the protection box, the protection cover, the transparent protection film and the wireless communication module, the automatic lifting device has the functions of automatic lifting, automatic rotating, dust prevention, water prevention, protection, remote control and the like.

The invention relates to an automatic moving and lifting platform. The platform comprises a top seat, a lifting support, a base, a wheel set, a traveling driving module, a direction control module, anelectric push rod, an electric push rod driving module, a power monitoring module and a control system. The lifting support is arranged between the top seat and the base and used for ascending and descending the top seat. The wheel set is arranged on the base and comprises driving wheels and driven wheels. The traveling driving module is used for driving the driving wheels. The electric push roddriving module is used for driving the electric push rod to drive the lifting support. The control system is used for controlling the direction control module, the traveling driving module, the electric push rod driving module and the power monitoring module to drive the platform to automatically move, ascend and descend. The automatic moving and lifting platform provided by the invention is applicable to the indoor flat ground and is household in appearance design, small in size, convenient to carry by a user going out and convenient to assemble and disassemble.

The invention relates to the technical field of buildings, in particular to a lifting platform for house building construction. The lifting platform comprises a base frame; a driving shaft and a driven shaft are arranged on the inner side of the base frame; a first power device is arranged on one side of the driving shaft, and two connecting rings are fixedly arranged on the two corresponding sides in the base frame; the driving shaft and the driven shaft are rotatably connected to the inner sides of the connecting rings; wheel shafts are arranged on one side of the driving shaft and one side of the driven shaft; and two wheels are fixedly arranged on the outer sides of the wheel shafts. According to the lifting platform, through the arrangement of the wheel shafts, the wheels, a motor A, a driving belt wheel, a driven belt wheel, a lifting bent frame, a driving rod A, a driving rod B, a driving shaft, a threaded rod A, a motor B, a supporting plate, a lifting plate, a supporting rod A, a supporting rod B, a threaded rod B, a motor C, a U-shaped fence and a protective door, the lifting platform has the functions of automatic movement, accidental movement prevention, automatic lifting, protection and the like.

The invention relates to the technical field of cutting, in particular to a CNC automatic cutting device for plate production. The CNC automatic cutting device comprises a plate material and a laser automatic cutting head. A tabletop plate is arranged on one side of the plate material, multiple supporting legs are fixedly arranged on one side of the tabletop plate, a J-shaped sliding frame is connected to one side of the tabletop plate in a slidable mode, and a driving block A is fixedly connected to one side of the J-shaped sliding frame. A threaded hole A is formed in one side of the drivingblock A, and a threaded rod A is connected in the threaded hole A in a threaded transmission mode. According to the CNC automatic cutting device, by arranging the J-shaped sliding frame, the drivingblock A, the threaded rod A, a servo motor A, a transmission device, a rotating shaft, a U-shaped rotating frame, an automatic rotating device, an adjusting block, a threaded rod B, a servo motor B, aU-shaped driving frame and an accurate driving device, the CNC automatic cutting device has the functions of automatic cutting, accurate cutting, automatic circle cutting, automatic adjusting, multi-axis cutting and the like.

The invention provides a plasma cutting machine. The plasma cutting machine comprises a base, a first moving assembly, a second moving assembly, a lifting device, an arc voltage sensor, a controller and a cutting assembly. A worktable used for placing a to-be-cut plate is arranged on the base, and the first moving assembly is mounted on the base and can move in the first direction relative to thebase. The second moving assembly is mounted on the first moving assembly and can move in the second direction perpendicular to the first direction relative to the first moving assembly. The lifting device is fixed to the second moving assembly, and the cutting assembly is mounted on the lifting device and can be driven by the lifting device to move up and down. The arc voltage sensor is mounted onthe cutting assembly and is in signal connection with the controller. The controller is controllably connected with the lifting device. According to the plasma cutting machine provided by the invention, the structure is simple, operation is convenient, using is safe and reliable, the distance between the front end of a cutting tool and the cut point can be automatically adjusted according to thesituation that metal plates are uneven, the cutting quality and the cutting precision are effectively improved, and the production and maintenance costs are lowered.

The invention relates to the technical field of machining, in particular to an air cylinder cover single-face clamping lifting appliance which comprises a plurality of air cylinder covers and further comprises a bottom plate. The sliding block can slide on the upper side of the bottom plate through a sliding rail, and an automatic sliding assembly is arranged between the bottom plate and the sliding block; one end of the C-shaped standing frame is fixed on one side of the sliding block; the lifting blocks can slide on the inner sides of the C-shaped standing frames, sliding grooves are formed in the two sides, away from each other, of each lifting block, the C-shaped standing frames can slide on the inner sides of the sliding grooves, and automatic lifting assemblies are arranged between the lifting blocks and the C-shaped standing frames; and the guide sleeve is fixed on one side of the lifting block. Through the arrangement of the bottom plate, the sliding block, the C-shaped standing frame, the lifting block, the guide sleeve, the telescopic column, the L-shaped frame, the lifting air cylinder, the rotating plate and the L-shaped fixing frame, the multi-direction conveying, automatic clamping, automatic loosening, batch hoisting and efficient hoisting functions are achieved.

A digital intelligent teaching platform comprises a platform body, an automatic lifting device, a wireless transmission device, an attendance system, a lecturer recognition module and an intelligent drawer device. The automatic lifting device comprises a lifting regulation and control module, a courseware playing instruction module and a manual control module; the attendance system comprises a face capturing camera, a human body infrared sensor and a camera shooting and capturing module; the intelligent drawer device comprises an intelligent telescopic module and a drawer body. The platform body has an automatic lifting function and a wireless receiving and transmitting function of lecturer courseware, the platform body is prevented from blocking the sight of students watching the courseware in the front row and the rear row, the attendance system is arranged, and student attendance statistics is carried out through matched correction of a face capture camera and a human body infrared sensor; monitoring the lecture listening state of the student through the camera shooting and capturing module; the functions of lecturer identity recognition and intelligent drawer stretching and retracting are achieved; and the platform panel can be obliquely fixed, so that a lecturer can conveniently write on a blackboard.

A magnetic levitation device with the function of automatically lifting a suspended matter comprises a magnetic levitation component; a lifting component is arranged on the magnetic levitation component and at the position corresponding to the suspended matter; the lifting component comprises a pallet rack, a lifting column, a lifting transmission component and a control unit; the pallet rack is positioned at the bottom of the suspended matter; one end of the lifting column is connected with the pallet rack, and the other end of the lifting column is connected with the output end of the lifting transmission component; and the control terminal of the lifting transmission component is connected with the control unit. The magnetic levitation device has the advantages of simple and compact structure, low cost, high degree of automation, simplicity and convenience in operation, stability and reliability in working, and the like.

The invention relates to the field of smart home, in particular to an auto-lifting airing rack with a drying function, comprising a frame; a first rotation cavity is arranged inside the frame; a motoris fixedly arranged on the upper wall surface of the first rotation cavity; and a first rotating shaft is arranged below the motor in a power connection manner. The auto-lifting airing rack with thedrying function provided herein can be used as an airing rack, can also provide drying for washed clothes, has an auto-lifting function which makes it convenient for a user to hang clothes, can be used as a simple airing rack in summer, can dry the clothes in winter when the clothes are hard to air, and has double purposes so that space is saved.