107results about How to "Realize the rotation function" patented technology

The invention discloses a neurosurgery clinical nursing head fixing device. The device comprises a chassis, a gearbox is arranged in the chassis, an adjusting threaded rod is arranged on the upper endof the gearbox, a threaded sleeve is arranged on the upper end of the adjusting threaded rod, the upper end of the threaded sleeve is connected with a hinged frame, the hinged frame is connected to the lower end surface of a pillow seat, limit sliding grooves are formed in the left and right sides of the inside of the pillow seat, the limit sliding grooves are provided with a rotating threaded rod and a threaded sliding block, the upper end of the threaded sliding block is provided with a connecting block, the upper end of the connecting block is provided with a fixing plate, the fixing plateis a curved plate, and the inner side surface of the fixing plate is provided with a sponge pad. The device is stable in structure, stable in operation, convenient to adjust, convenient to use and quick in loading and unloading, is capable of achieving a head fixing function for clinical nursing of neurosurgery, can be applied to the head fixing of different patients, has wide applicability, canachieve the lifting adjustment function, can achieve the rotation function, provides convenience for the operation of a surgery and the nursing function, and satisfies the current use requirements.

A shock-absorption tension-compression ball type support capable of preventing beam falling includes five large parts, namely a bottom base plate, a lower base plate, a middle base plate, an upper base plate and a tensile screw. The key parts of the shock-absorption tension-compression ball type support capable of preventing beam falling include longitudinal and transverse anti-beam-falling check blocks, tensile nuts, longitudinal and transverse tensile friction pairs, a spherical anti-pressure friction pair, a spherical tensile friction pair, longitudinal and transverse guide friction pairs, a transverse limiting friction pair, a transverse limiting plate and the like. The support can bear press loads, tension loads and horizontal loads transmitted by a beam structure, the displacement requirements of the beam structure under normal use conditions and seismic conditions are met, and the support has the advantages that rotation is flexible, force transmission of the structure is uniform and a force transmission route is definite.

The invention discloses a novel CT examination bed which comprises a base of a U-shaped structure. Transverse sliding rail grooves are symmetrically formed in the two sides of the upper surface of the base. Linear motors are installed in the sliding rail grooves in a matched mode. The upper ends of the linear motors are fixedly connected sliding blocks. The upper surfaces of the sliding blocks are fixedly connected with an n-shaped frame. A scanning device of a U-shaped structure is installed in the n-shaped frame in a matched mode. The two sides of the outer wall of the scanning device are connected with the n-shaped frame through rotating shafts. The rotating shafts are connected with servo motors inside the n-shaped frame through speed reducers. The servo motors and the linear motors are connected with a controller on the side face of the base through wires. The side wall of each rectangular groove is provided with a vertical sliding groove. A sliding block of a bearing strip is installed inside each vertical sliding groove in a matched mode. According to the novel CT examination bed, a patient can be examined without bed shifting, using difficulty is lowered, and the multi-angle and all-round examination ability is achieved.

The invention discloses a lightweight multifunctional container portal crane and an assembly method thereof. The crane comprises a portal assembly, travelling trolleys mounted at the four corners of the portal assembly, lifting mechanisms mounted on the portal assembly and a hoister. The two lifting mechanisms are correspondingly arranged on the portal assembly. Each lifting mechanism comprises two lifting winding mechanisms, a drag type fixed pulley trolley and a drag type traveling winding mechanism. The lifting winding mechanisms are distributed on upper cross beams or lower cross beams or supporting legs. The lifting winding mechanisms are distributed at the four corners of the portal assembly correspondingly, shift-down of the gravity center of the whole crane is achieved through the position distribution of the lifting winding mechanisms, the load weight of the upper structure is reduced, and lightweight of the structure of the container portal crane is achieved; and one of the four lifting winding mechanisms can independently act, or two or three or all of the four lifting winding mechanisms can act jointly to be used for loading and unloading other cargos, so that the multiple functions of the crane are achieved.

The invention discloses a transmission mechanism, a head mounted display, and a refraction adjusting method for a head mounted display. The transmission mechanism is used for controlling movement of a first framework relative to a second framework. The first framework is connected to the second framework through a connecting member arranged on the first framework. The transmission mechanism includes a dial wheel, a worm, a turning gear, a transmission shaft and transmission gears. A horizontal frame of the second framework is equipped with a containing groove, part of the dial wheel is arranged in the containing groove and the dial wheel is arranged on the horizontal frame of the second framework with the worm being an axis. The transmission shaft is arranged on the horizontal frame of the second framework. The turning gear sleeves the transmission shaft and fits the worm. The transmission gears are symmetrically arranged on vertical frames of the second framework. The upper portion of the connecting member is equipped with tooth bars, and the tooth bars engage with the transmission gears. When the transmission gears fit the tooth bars, the connecting member drives the first framework to move in a straight reciprocating manner relative to the second framework. According to the technical solution, turning transmission and rotary to rectilinear motion are achieved, transmission is steady and reliable, and the transmission mechanism is simple in structure and low in cost.

The invention provides a hinge structure for an air-conditioner panel. The hinge structure comprises a rotary shaft, a first rib position, a second rib position, a third rib position, a fourth rib position, a fifth rib position, a sixth rib position and a limiting rib, wherein a shaft body of the rotary shaft is respectively connected with one end of the first rib position and one end of the second rib position; the other end of the first rib position and the other end of the second rib position are respectively connected with the third rib position; a connecting end of the first rib position and the third rib position is connected with one end of the fourth rib position; the other end of the fourth rib position is connected to the air-conditioner panel; the connecting end of the second rib position and the third rib position is connected with one end of the limiting rib; the other end of the limiting rib is connected with one end of the fifth rib position; the other end of the fifth rib position is connected to the air-conditioner panel; the fourth rib position, the third rib position, the limiting rib, the fifth rib position and corresponding parts of the air-conditioner panel enclose a closed structure; and the sixth rib position which is arranged in the closed structure is connected between the limiting rib and the air-conditioner panel. By adoption of the hinge structure, a dimensional requirement is met, and flexible rotation and positioning functions of a hinge are realized. The hinge structure is firm and durable.

The invention relates to a beverage filling device, in particular to a quantitative fruit particle beverage filling device and aims at achieving the technical purpose of providing the quantitative fruit particle beverage filling device. To achieve the above technical purpose, the quantitative fruit particle beverage filling device is provided and comprises a bottom plate, a support, a box, a rotation mechanism, containing frames and the like. The rotation mechanism, the support and the box are sequentially arranged on the top of the bottom plate from left to right. The containing frames are arranged on the left side and the right side of the top of the rotation mechanism and internally contain beverage bottles. A fixing plate is arranged at the upper end of the support, a discharging mechanism is arranged on the top of the fixing plate, the upper portion of the left side of the discharging mechanism is connected with a discharging pipe, and a first one-way valve is arranged in the discharging pipe. The quantitative fruit particle beverage filling device achieves the effects that during filling, beverages are not prone to being splashed out of the beverage bottles, and fruit particle distribution is uniform; and the beverages can be intermittently and interactively poured into the beverage bottles through the rotation mechanism, the fruit particles can be prevented from being deposited at the bottom of the box through stirring sheets, and the device is simple in operation and high in reliability.

The invention discloses a hoisting mechanism with distributed arrangement of a container crane and an arrangement method of the hoisting mechanism. The hoisting mechanism comprises a portal assembly, a travelling trolley, a hoisting mechanism body and a lifting appliance; the hoisting mechanism body comprises hoisting and winding gears, a dragging type fixed pulley trolley and a dragging type travelling winding gear; the hoisting and winding gears are distributed at the lower end of the portal assembly; the dragging type travelling winding gear is arranged above a main beam; and the dragging type fixed pulley trolley is correspondingly dragged by the dragging type travelling winding gear. According to the invention, all the hoisting and winding gears are correspondingly distributed at four corners of the portal assembly, and down-shift of the gravity center of the whole mechanism is realized by the position distribution of the hoisting and winding gears, thus reducing the load weight of the structure at the upper part, and realizing lightweight structure of the container portal crane; and due to reasonable arrangement, the hoisting mechanism forms multiple inverted triangles along the direction of the main beam and the direction vertical to the main beam, and due to arrangement of triangles in multiple directions, and in match with a damping pulley, the purpose of shaking prevention of all directions is realized.

The invention discloses a rotor folding and unfolding device for a vertical take-off and landing compounding layout unmanned aerial vehicle. Besides all components of a conventional fixed wing unmanned aerial vehicle, the rotor folding and unfolding device further comprises rotors, rotor arms, connecting rods, a linear motor, a guide rod, flow baffles and springs. One end of each rotor arm is installed on a rotary shaft in a rotor cabin on the side face of a vehicle body, and the other end of each rotor arm is provided with a direct-current brushless motor and the corresponding rotor. When the rotors do not need to be used by the compounding unmanned aerial vehicle, the linear motor installed at the middle portion of the vehicle body is controlled to pull the guide rod and the connecting rods to move, the rotor arms are rotated and retract back into the corresponding rotor cabins, and the flow baffles are closed; and when the rotors need to be used by the compounding unmanned aerial vehicle, the linear motor is controlled, so that the rotor arms are rotated and extend to the outer side of the vehicle body. The unmanned aerial vehicle with the rotor folding and unfolding device has the functions of conventional fixed wings and further has the functions of vertical take-off and landing, longitudinal and transverse maneuvering and the like. In a fixed wing mode, the rotors retract into the rotor cabins, the flow baffles are closed, and the aerodynamic characteristic influence caused by a rotor structure is avoided.

The invention discloses a steel wire rope hoisting system for a crane. The steel wire rope hoisting system for the crane comprises a trolley frame and a hanger upper frame, wherein the hanger upper frame is positioned at the bottom of the trolley frame; a hoisting drum is fixedly arranged on the trolley frame, a hoisting steel wire rope is wound on the hoisting drum, and the free end of the hoisting steel wire rope penetrates through the trolley frame and is fixedly connected with the hanger upper frame; anti-roll drums are separately arranged at four corners of the upper surface of the trolley frame; and four consolidation points are arranged on the upper surface of the hanger upper frame, and an anti-shake steel wire rope is wound and connected between different anti-roll drums and the consolidation points to realize the anti-roll function of a hanger in the cart direction or the trolley direction. According to the steel wire rope hoisting system for the crane, the anti-roll functionin the cart direction or the trolley direction is realized through the winding connection relation of the anti-shake steel wire rope between the different anti-roll drums and the consolidation points, the anti-roll effect is obvious, and meanwhile, and a trolley running mechanism can run at full speed, so that the working efficiency is improved.

The invention discloses a minor radius exchange platform for a machine tool. The minor radius exchange platform for the machine tool is driven by a rotation oil cylinder, drives a rotary sleeve, a guiding sleeve, a rotary base, a rotary shaft and a piston to rotate in a gear rack transmission mode and then drives a clamping mechanism and the workbench to rotate to achieve a rotation function of the exchange platform. Lifting of a gland, a cylinder body, the guiding sleeve and the rotary base is achieved through control of pressure oil inside a first oil chamber and a second oil chamber which are arranged above and below the piston, a lifting function of the exchange platform is achieved, only the gland, the cylinder body, the guiding sleeve and the rotary base perform the lifting action, other parts inside the exchange platform are not involved, and separation of a rotation structure and the lifting structure can be achieved. A workbench can stably rotate within minor radius along with the exchange platform through a clamping mechanism clamping workbench which is connected to the rotary base. The minor radius exchange platform for the machine tool has the advantages of being simple and compact in structure, greatly improving the structure stability and accuracy, shrinking the rotation radius of the wokbench and improving the exchange speed, the reliability and the action efficiency.

The invention discloses a connecting rod assembly, a rotary sliding-out component, a leg support device and an automobile seat. The connecting rod assembly comprises a rotating mechanism and a slidingpiece. The rotating mechanism can rotate from a first direction to a second direction; one end of the sliding piece is hinged to the rotating mechanism, and the other end of the sliding piece moves in the second direction under the acting force of the rotating mechanism. By means of the structural form, a component connected with the connecting rod assembly can be achieved only by driving the double-rotating mechanism to rotate through one driving motor, a rotating function can be achieved, and the effect of the moving function can also be achieved. The connecting rod assembly is applied to the leg support device on the automobile seat, the leg support device can achieve the extending function in the turned-up state at the same time, the function can be achieved only through one driving motor, and therefore the production cost is saved.

The invention relates to a telescopic rotating penlight comprising a handle. The bottom and the top of the handle are provided with magnet 1 and a hanging pin respectively. The handle is connected with a telescopic rod 1 which is connected with a telescopic rod 2 through a pin structure. An inner rod is arranged in the telescopic rod 2 which is connected with a handle cap through the inner rod. A plurality of working lights are arranged on the side of the handle cap. A switch is arranged at the front of the working lights. An end cap is arranged at the top of the handle cap and provided with a magnet 2 and a lighting lamp. The lighting lamp and the working lights are all electrically connected with the switch. The telescopic rotating penlight is reasonable in structural design, small in size and convenient to carry; through the pin structure, the telescopic rods can rotate while freely retract, allowing magnetic parts to be conveniently picked; towing to the working lights on the side, lighting effect is strengthened, and all-dimensional lighting is achieved.

The invention discloses a shutter type display screen, which comprises a plurality of shutters, a plurality of supports, a rotation unit and a transmission unit. A plurality of displaying units are arranged in the shutters, the leaves are axially arranged on the supports, the transmission unit is connected with the leaves, and the rotation unit controls rotation of the leaves through the transmission unit. The shutter type display screen realizes functions of a display screen and a rotation function of the shutters and functions of folding and unfolding of the integral shutter type display screen, accordingly, irradiation quantity of sunlight can be regulated and space utilization rate is increased. The shutter type display screen is applicable to display halls, curtain walls of halls of banks, multi-media advertising boards of buildings and the like, requirements for light regulation of customers, requirements for visual field transparency and requirements that the shutter type display screen can be used as art lights at night or multi-media advertisements can be met.

The invention relates to the technical field of heat distribution pipeline manufacturing equipment, and discloses heat insulation middle layer layer-by-layer coating equipment for a heat distribution pipeline, which comprises a rotary adjusting structure and a coating connection production structure, and the upper end position of the rotary adjusting structure is fixedly connected with the coating connection production structure; the rotation adjusting structure comprises an inclined conduction connecting frame, an arc-shaped connecting groove frame and a rotation driving part, the inclined conduction connecting frame is arranged at the center position of the inner end of the rotation adjusting structure, and the arc-shaped connecting groove frame is fixedly connected to the lower end position of the inclined conduction connecting frame; the bottom end positions of the inclined conduction connecting frame and the arc-shaped connecting groove frame are fixedly connected with the rotation driving component, the rotation adjusting structure further comprises a supporting connecting vertical frame and a supporting cushion layer plate, and the supporting cushion layer plate is fixedly connected to the bottom position of the inclined conduction connecting frame. Through the arrangement of the rotary adjusting structure and the coating connection production structure, rotary production work is achieved, and the purpose of better machining a machined part is achieved.

The invention discloses a roller type jujube sorting machine. A transverse tubular shaft frame is fixedly arranged at the upper end of a front support, and a horizontal shaft is sleeved with the tubular shaft frame through a bearing; a gearbox is fixedly arranged at the upper end of a rear support; a shaft sleeve is fixedly arranged at the front end of the horizontal shaft in the radial direction,a rotating shaft is sleeved with the shaft sleeve, and the rotating shaft is hinged to the center of a rear base of a roller device; the front end of the tubular shaft frame is fixedly sleeved with afixed bevel gear, and the fixed bevel gear is concentric with the horizontal shaft; a radial shaft is vertically fixed at the front end of the horizontal shaft, and the radial shaft is arranged at the front end of the fixed bevel gear, a plurality of layers of concentric net-shaped rollers are fixedly arranged on the rear base of the roller device from inside to outside, the bore diameters of thenet-shaped rollers are gradually reduced from inside to outside, an annular cavities are defined between each layer of net-shaped rollers, and the two ends of each cavity are closed to form a plurality of sorting areas. The roller type jujube sorting machine has advantages that the machine is novel and unique in structure, high in sorting efficiency, convenient in cleaning and maintaining, and has huge economic and social benefits.

The invention relates to the pulling expansion type solar device with a revolution function, relating to the power generation technology of the mobile type solar energy emergency security power station. The pulling expansion type solar device with the revolution function solves the problems that the prior art is not flexible in rotation, and the structure of the solar battery panel is single, which affect the absorption efficiency of the solar energy. The pulling expansion type solar device with a revolution function comprises a plurality of solar energy battery panels which are successively stacked; the plurality of the solar energy battery panels can be successively expanded into a staircase shape; a decelerator motor is used for driving two reverse wheels to rotate along the opposite directions so as to drive two solar battery panels to expand and fold; in a revolution mechanism, the upper surface of a lower base and the lower surface of an upper base are provided with annular grooves; and rolling steel balls are arranged between the annular groove of the lower base and the annular groove of the upper base. The solar battery panel can be rotated flexibly and improves the usage efficiency of the solar energy.

The invention relates to a puncture wire clamp. The puncture wire clamp comprises a front cover, a rear cover and a plurality of clamping units. The front cover and the rear cover are detachably and fixedly connected. A first open groove is formed on one side, facing the rear cover, of the front cover. A second open groove opposite to the first open groove is formed on one side, facing the front cover, of the rear cover. The first open groove and the second open groove are engaged to form a clathration hole for clamping a power cable. Each clamping unit comprises a first clamping part and a second clamping part. The first clamping part is fixed in the front cover through a first connection shaft. The second clamping part is fixed in the rear cover through a second connection shaft. The puncture wire clamp has the advantages that the first clamping part and the second clamping part are capable of respectively and automatically adjusting angles through the first connection shaft and the second connection shaft so as to be adapted to the dynamic deformation of the first clamping part and the second clamping part under external forces when the power cables of different outer diameters penetrate, so that the tight contact of the first clamping part and the second clamping part with the power cable is realized, and the puncture gripping power is balanced and consistent.

The invention discloses a vehicle-mounted camera module lens angle bidirectional ratchet wheel adjusting mechanism. The mechanism comprises a shell, a first angle adjusting assembly and a second angleadjusting assembly, the first angle adjusting assembly comprises a first adjusting base, the second angle adjusting assembly comprises a second adjusting base, a rotating shaft, a rotating support, agear and a ratchet wheel assembly, the first adjusting base is rotationally installed on the left side of the shell, rotation of the left side of the vehicle-mounted camera module lens is realized; the rotating shaft is rotationally mounted on the right of the shell; the rotating function of the right side of the vehicle-mounted camera module lens is realized; the rotating shaft is connected withthe second adjusting seat and the rotating bracket; the lens angle can be adjusted by operating the rotary bracket; the gear is meshed with a bidirectional ratchet of the ratchet assembly; the angleadjusting function of the vehicle-mounted camera module lens is achieved, it can be guaranteed that locking is firm after angle adjustment, the vehicle-mounted camera module can be matched with vehicle types with windshields of different angles, the product development period is greatly shortened, and the product development cost is greatly reduced.

The invention relates to a device for assisting human cervical vertebra joint movement. The device comprises a nodding mechanism for making the neck achieve the nodding function, a swinging mechanismfor making the neck swing left and right and a rotating mechanism for making the neck achieve the rotating function, wherein the nodding mechanism is arranged on the inner side of the swinging mechanism, and the rotating mechanism is arranged on the lower portion of the swinging mechanism; the rotating mechanism comprises a rotating part fixedly arranged on a supporting ring, and the rotating partrotates through a first driving mechanism; the nodding mechanism comprises a height adjusting part hinged into the rotating part, a second driving mechanism is arranged on the height adjusting part,and the height adjusting part is driven by the second driving mechanism to make the head move up and down; the swinging mechanism comprises a swinging part hinged into the height adjusting part, a third driving mechanism is arranged on the swinging part, and the swinging part swings left and right through the third driving mechanism; and the hinged position of the height adjusting part and the hinged position of the swinging part are perpendicular to each other and are positioned on the same plane. The device for assisting the head of a patient suffering from the gradual freezing disease to achieve normal movement is provided.

The invention discloses an automatic control device of a rotation type electric smelting magnesium furnace and an electrode current control method, and belongs to the technical field of electric smelting magnesium furnace process control. The device comprises a PLC (Programmable Logic Controller), an electric vibrator, a converter motor, a converter rotating and positioning limiting switch, a converter frequency changer, an electrode motor, an electrode frequency changer, a D / A conversion module, a weighing sensor, an electrode voltage and current signal collecting module an A / D conversion module and an upper computer monitoring system. The method comprises the steps that the three-phase current and the three-phase voltage flowing through a three-phase electrode of the electric smelting magnesium furnace are collected and converted into standard analog quantity current signals; the standard analog quantity current signals are converted into corresponding digital signals to be output to the PLC; and the current control over the electrode of the rotation type electric smelting magnesium furnace is finished in the PLC. According to the method, the functions of current collecting, controlling and the like of the three-phase electrode of the rotation type electric smelting magnesium furnace can be achieved, the error between the current of the three-phase electrode and the current set value is stabilized within the allowable error range, and electric energy consumption is reduced while the product quality is guaranteed.

The invention provides an installation device of a helmet faceplate protective lens and belongs to the technical field of laser protection. The installation device of the helmet faceplate protective lens solves the problem that man-made errors and influence factors are many due to the fact that a fixing technical method of a protective lens installation assembly in an existing helmet faceplate protective lens measuring system is not perfect, and movement and rotation of the position of the lens need to be operated by manual work. The installation device is composed of a lens fixing installation assembly and a control console positioning assembly, the lens fixing installation assembly is composed of an accurate positioning assembly and a rotatable flange, the accurate positioning assembly is installed on the rotatable flange, the control console positioning assembly is composed of a horizontal displacement platform, a vertical displacement platform and a rotating platform, the horizontal displacement platform is driven by a horizontal stepping motor, the vertical displacement platform is driven by a vertical stepping motor, one end of the rotatable flange is installed on the vertical displacement platform through a side base plate, and the vertical displacement platform is connected with the horizontal displacement platform through a floor connecting member so as to achieve accurate positioning installation of the helmet faceplate protective lens.

The invention provides a bridge support with a novel friction pair. A friction-reducing, wear-resisting and corrosion-resisting ceramic material is molded on rotary and sliding surfaces of the bridge support; and the material and a non-metal sliding plate form the novel friction pair of the bridge support.

The invention provides a self-centering anti-bending and anti-twisting high-temperature clamp capable of bearing the axial tensile load, the elliptic ball head of the rotary support is in contact fitwith the curved surface of the ellipsoidal cavity of the force bearing block, so that the relative sliding and rotating functions of the elliptic ball head of the rotary support and the ellipsoidal cavity of the force bearing block can be realized; when the coaxiality of the testing machine, the clamp and the to-be-tested sample is inconsistent, the coaxiality of the loading line can be automatically achieved through coordination of sliding and rotating, meanwhile, unexpected bending moment and torque are effectively avoided, a large amount of coaxiality centering work is saved, and the test efficiency is effectively improved. In addition, transition clamps containing different pin holes and internal threaded holes can be designed for flat plate samples with different thicknesses and roundrod samples with different diameters to carry out high-temperature tests, and simplicity, convenience and flexibility are achieved.

The invention discloses a modular bullet holder device, and relates to the technical field of oil-gas well perforation completion. The modular bullet holder device comprises an upper bullet holder plate, a lower bullet holder plate and two bullet holder support plates. Bullet holes matching with perforating bullets in external diameter are formed in the upper bullet holder plate and the lower bullet holder plate, the upper bullet holder plate and the lower bullet holder plate are mutually connected and fixed by the aid of the bullet holder support plates, a hinge shaft and a chute pin are connected onto each bullet holder support plate, and at least one dividing and fixing hole is processed in each bullet holder support plate. Each hinge shaft is located at the position, close to the lower bullet support plate, of the corresponding bullet holder support plate, and each chute pin is positioned between each hinge shaft and the corresponding dividing and fixing hole. The modular bullet holder device has the advantages that an original fixing mode of the perforating bullets is changed to the benefit of adjusting a perforating bullet shooting direction to align to an oblique fractured reservoir of an oil-gas well on a high-steep structural belt, and independent modular locking and supporting of the perforating bullets are realized.

The invention discloses a pulling-expanding type solar power station having functions of revolution and lifting, relating to the solar power generating field. The invention solves the problem that the solar battery panel of the prior art is single in structure, which affects the absorption efficiency of the solar energy. In the usage of the pulling-expanding mechanism, the solar battery panels are successively pulled and expanded into a staircase shape; an upper base of a track is of a slab shape; a pulling-expanding solar energy panel mechanism is arranged on the upper base of the upper track; the upper base on the track can rotate around a center axis in the plane; when the pulling-expanding solar energy panel mechanism is expanded, the pulling-expanding solar energy panel mechanism is rotated through the upper base of the track so as to realize the revolution function; and then lifting mechanism is utilized to change the integral height in order to track the sun light, which maximizes the light energy utilization rate. The pulling-expanding type solar power station having functions of revolution and lifting is applicable to the mobile type solar power emergency security power station.

The invention discloses an advanced oxidation device for wastewater, and belongs to the technical field of advanced oxidation. The problem of low ozone utilization efficiency is solved. According to the technical key points, the advanced oxidation device for the wastewater comprises an ozone generation device and a reaction tank; a gas conveying pipe is arranged between the ozone generation deviceand the reaction tank, the two ends of the gas conveying pipe communicate with the ozone generation device and the reaction tank correspondingly, the reaction tank is provided with a circulating pipewhich communicates with the reaction tank and the gas conveying pipe, the reaction tank is provided with an overflowing pipe, and a water discharging valve is mounted on the overflowing pipe; and theoverflowing pipe is higher than the junction of the gas conveying pipe and the reaction tank and lower than the junction of the circulating pipe and the reaction tank, and the reaction tank is provided with an air blowing device. Ozone participates in reactions for multiple times, the utilization efficiency of ozone gas can be effectively improved, the effect of reducing ozone gas consumption isachieved, the energy consumption of the ozone generation device is reduced, and the effect of energy conservation is achieved.

The utility model discloses an air fryer with multiple cavities. The air fryer comprises a fryer body with an inner cavity, a frying container assembly, a heating assembly arranged in the fryer body and a control circuit assembly in control connection with the heating assembly, the inner cavity is divided into an installation cavity and a plurality of heating cavities, the installation cavity is communicated with the heating cavities, and the heating cavities are arranged on the peripheral sides of the installation cavity in a surrounding mode; the heating assembly comprises a motor, a hot airblade arranged in the mounting cavity and driven by the motor, and a heating pipe assembly arranged in the mounting cavity in the vertical direction, and the hot air blade comprises a horizontally-arranged blade base part and a flow guide part formed by extending the blade base part downwards; each heating cavity is provided with an inlet and an outlet, the frying container assembly is provided with a plurality of independent container units, and the container units correspond to the heating cavities in a one-to-one mode. According to the air fryer, the multiple heating cavities can be provided through the single fryer body, so that the requirement for synchronously heating and cooking various foods can be met, and the total cooking time is shortened.