38results about How to "Reduce projected area" patented technology

The invention belongs to the related technical field of bionic flapping-wing robots, and discloses a water-air amphibious bionic flapping-wing robot with chordwise bimodal flapping wings, which comprises a main body, the chordwise bimodal flapping wings, an empennage, a cross-medium mechanism, a control unit and a flexible skin, the main machine body is a main supporting component of the robot, and the chordwise bimodal flapping wings are installed on the left side and the right side of the main machine body and oscillate up and down in a reciprocating mode to drive the flexible skin covering the chordwise bimodal flapping wings to generate power. The empennage is fixed to the rear end of the main fuselage to assist the robot in posture adjustment. The cross-medium mechanism is installed at the front end of the main machine body and used for providing impulsive force for cross-medium movement of the robot. And the control unit is connected with each component through a signal line. The bionic flapping-wing robot has an overwater motion mode and an underwater motion mode in the chordwise direction of the flapping wing, the overwater motion mode is beneficial to generation of lift force in the air, the underwater motion mode is beneficial to reduction of power consumption in water and concentration of power in the thrust direction, and the use environment and scene of the bionic flapping-wing robot are expanded.

The embodiment of the invention discloses a semiconductor structure and a preparation method of the semiconductor structure. The semiconductor structure comprises a substrate; the surface of the substrate comprises a chip unit; a first oxide layer; the first oxide layer is located on one side of the substrate; an oxygen-doped polycrystalline silicon layer; the oxygen-doped polycrystalline silicon layer is positioned on one side, far away from the substrate, of the first oxide layer; the projection area of the oxygen-doped polycrystalline silicon layer on the substrate is smaller than that of the first oxide layer on the substrate; a silicon nitride layer; the silicon nitride layer is located on the side, away from the substrate, of the oxygen-doped polycrystalline silicon layer; the silicon nitride layer covers the oxygen-doped polycrystalline silicon layer; a second oxide layer; the second oxide layer is located on one side of the silicon nitride layer away from the substrate; the second oxide layer covers the silicon nitride layer. According to the technical scheme, the silicon nitride layer and the second oxide layer are arranged on the side, away from the substrate, of the oxygen-doped polycrystalline silicon layer, the silicon nitride layer covers the oxygen-doped polycrystalline silicon layer, the second oxide layer covers the silicon nitride layer, failure of the oxygen-doped polycrystalline silicon layer is avoided, and the yield and reliability of the semiconductor structure are improved.

The utility model relates to a process system for recovering tobacco shreds from defective waste cigarettes. The process system comprises a first vibrating screen; the second vibrating screen is connected with the first vibrating screen; the cigarettes treated by the first pre-crushing devices are directly conveyed to the first vibrating screen; the first vibrating screen and the second vibrating screen are each provided with a first screen plate, a wave-shaped curved surface is formed on the top of each first screen plate and is in a continuous wave shape in the advancing direction of the cigarettes, and all wave crests and wave troughs are in a continuous S-shaped trend in the horizontal plane. Under the action of a wave-shaped curved surface on the first sieve plate, the top surface area of the first sieve plate is greatly increased, the design of reducing the projection area of the first sieve plate in the vertical direction is facilitated, the design of reducing the sizes of the first vibration sieve and the second vibration sieve is facilitated, the occupied space is reduced, and multiple first pre-crushing devices are adapted; therefore, the single processing line can be used for recovering and processing various different types of defective cigarettes, and the adaptability of the equipment is greatly improved.

The invention discloses a tilting type electric vertical take-off and landing aircraft with foldable airfoils and an operation method. Comprising a fuselage, a fixed section wing arranged on the fuselage, a folding section wing connected to the fixed section wing through a wing folding assembly, a vertical fin arranged at the tail of the fuselage, a fixed section horizontal tail arranged on the vertical fin and a folding section horizontal tail connected to the fixed section horizontal tail through a horizontal tail folding assembly. The conversion of the aircraft among a folding mode, a helicopter mode and a fixed-wing aircraft mode can be realized under the action of the wing folding assembly and the horizontal tail folding assembly, a front-end rotor wing is arranged on the fixed-section wing, a middle-end rotor wing is arranged on the folding-section wing, and a rear-end rotor wing is arranged on the folding-section horizontal tail. When the aircraft is parked on the ground, the folding section wings and the folding section horizontal tail can be folded, so that the parking space needed by the aircraft is reduced, the requirement for special infrastructures is lowered, the cost is saved, the aircraft can be more easily integrated into the current limited space of a city, and the operation flexibility is enhanced.

The utility model belongs to the technical field of paper shredders, and discloses a paper shredder which comprises a case, a paper shredder core and a roller device, an inclined table is arranged in the case, an included angle is formed between the table top of the inclined table and the horizontal plane, the table top of the inclined table supports paper in an inclined posture, the inclined table is provided with a paper inlet opening, and a limiting part is arranged at the bottom of the inclined table. The limiting part is used for supporting the bottom edge of paper; the paper shredding machine core is arranged below the paper inlet opening; the roller device is provided with a paper inlet opening, when the paper is obliquely stacked on the inclined table, the roller device abuts against the paper located on the bottommost layer, and the roller device is used for applying friction force to the paper located on the bottommost layer so that the paper located on the bottommost layer can penetrate through the paper inlet opening and enter the paper shredding machine core. According to the paper shredder, the inclined table supports paper in an inclined posture, and the projection area of the inclined table in the vertical direction is small, so that the occupied area of the case is reduced, and the paper shredder can be used in a small office area.

The aerosol generating device comprises a device body and a suction nozzle assembly, the device body is provided with an airflow channel, the suction nozzle assembly comprises a first suction nozzle and a second suction nozzle, the first suction nozzle is provided with an air guide through hole, the air guide through hole is provided with a downstream end and an upstream end in the airflow direction, and the upstream end is communicated with the airflow channel; the second suction nozzle is arranged on the downstream side of the first suction nozzle in the airflow direction, the second suction nozzle covers the outer surface, close to the downstream end, of the first suction nozzle, and an air outlet is formed in the second suction nozzle and communicates with the downstream end; and the second suction nozzle is made of an elastic material. When the oral cavity of a user using the aerosol provided by the utility model contacts and extrudes the second suction nozzle, the touch feeling of the oral cavity to the suction nozzle assembly can be improved, so that the smoking taste of the user is improved, and the use experience feeling of the user is improved.

The utility model discloses an automatic cleaning device for a combined process air conditioner surface air cooler, which belongs to the technical field of surface air cooler cleaning and comprises a gas-water dual-purpose pipeline connected with a lead screw nut mechanism, and the lead screw nut mechanism drives the gas-water dual-purpose pipeline to move up and down. The gas-water dual-purpose pipeline is communicated with a PVC pipe, the PVC pipe is provided with a three-way valve which is communicated with a water pipe and a gas pipe respectively, the water pipe and the gas pipe are provided with electric valves, and the electric valves are connected with a controller.

The application discloses a longitudinally foldable water-air dual-purpose propeller, and belongs to the technical field of cross-medium aircraft propulsion, comprising a new-configuration hub, a longitudinal folding mechanism, a limiting structure and a down-bending propeller blade with a preset down-bending angle; the configuration of the propeller enables the down-bending propeller blade to be completely unfolded to form a first working configuration through centrifugal force in air, and the down-bending propeller blade to be passively folded and limited to form a second working configuration through hydrodynamic lift in water; the longitudinally foldable water-air dual-purpose propeller can automatically complete mode switching according to the difference between working media without any active control mechanism, and can maintain high efficient propulsion performance in both media.

The utility model provides a semiconductor device, a cell structure of the semiconductor device and a mask plate, the semiconductor device comprises a plurality of cells, at least one cell comprises a first control gate part, a second control gate part and a separation gate, and the first control gate part, the second control gate part and the separation gate are separated from one another. The first control gate part and the second control gate part are connected through the third control gate part, the first control gate part, the second control gate part and the third control gate part form a control gate, and the first control gate part, the second control gate part and the separation gate are located in an active region of the semiconductor device. The third control gate part is located in a transition region of the semiconductor device, the transition region is located between an active region and a terminal region of the semiconductor device, and the gate-drain capacitance is controlled by controlling the widths of the first control gate part and the second control gate part and the distance between the first control gate part and the second control gate part; and the gate-drain capacitance can be further adjusted by adjusting the width of the separation gate and the potential connection mode.

The invention relates to the technical field of unmanned aerial vehicle equipment, in particular to an unmanned aerial vehicle field maneuvering take-off and landing platform which comprises a central supporting leg, a central supporting leg and a driving device. The supporting arms are respectively hinged to the periphery of the top of the central supporting leg; the top ends of the side supporting legs are hinged and matched with the top ends of the supporting arms; the pendulum shaft is arranged between any two supporting arms, and the bottom end of the pendulum shaft is hinged to the edge of the turntable; one side of the first wedge-shaped plate is hinged and matched with the supporting arm; one side of the second wedge-shaped plate is matched with the swing shaft through a sliding shaft sleeve, and the other side of the second wedge-shaped plate is hinged and matched with the side, away from the supporting arm, of the first wedge-shaped plate; the first servo motor, the second servo motor, the storage battery and the trigger switch are electrically connected with the controller. The take-off and landing platform is arranged in an air-drop mode, so that the construction efficiency is greatly improved, the working range of the unmanned aerial vehicle can be rapidly expanded, manual construction is not needed, and the field operation requirements under some harsh conditions are met.

The utility model relates to a kind of monotonic power type centrifugal impeller of medium-high specific speed and centrifugal pump applying it, solve the problems, such as the characteristic that power cannot present monotone increasing when high specific speed or need additional structure or component to generate high cost of prior art, the technical scheme used includes front cover, back cover, the equal angle distribution of several blades along circumferential direction being set between the front cover and back cover, it is characterized in that the blade is backward-inclined twisted blade, the convex surface of the blade is pressure surface, the concave surface of the blade is non-pressure surface, the water outlet end of the blade is axially inclined arrangement, parallel line parallel to impeller axis is made through the water outlet end surface of the blade, the water outlet end surface of the blade and the parallel line between there is included angle α, 0°≤α≤30°.Its effect: change the shape of blade, so that the impeller of medium-high specific speed presents monotone increasing characteristic, and does not additionally increase external structure or component, can effectively control reasonable cost.

The invention discloses a semiconductor device and a manufacturing method thereof, and an electronic device, and the semiconductor device comprises a semiconductor substrate, a first interlayer dielectric layer is formed on the semiconductor substrate, and a metal interconnection structure is formed in the first interlayer dielectric layer; the second interlayer dielectric layer is located above the first interlayer dielectric layer, a high-resistance layer penetrating through the second interlayer dielectric layer is formed in the second interlayer dielectric layer, and the high-resistance layer is of a U-shaped three-dimensional structure; the orthographic projection of the high-resistance layer on the surface of the semiconductor substrate is not overlapped with the orthographic projection of the metal interconnection structure on the surface of the semiconductor substrate. According to the invention, the high-resistance layer is formed into the U-shaped three-dimensional structure, so that the projection area of the high-resistance layer on the surface of the semiconductor substrate can be reduced.

The embodiment of the invention discloses a wireless charging earphone box, a metal rotating shaft on wireless charging electronic equipment and a method for reducing heating of the metal rotating shaft. The wireless charging earphone box is provided with an earphone box main body, an earphone box upper cover and a metal rotating shaft, an induction coil for wirelessly charging a battery of the earphone box is arranged in the earphone box main body, the earphone box upper cover is rotatably connected with the earphone box main body through the metal rotating shaft, and the metal rotating shaft comprises an upper rotating shaft assembly and a lower rotating shaft assembly. The upper rotating shaft assembly is clamped with the earphone box upper cover, the lower rotating shaft assembly is clamped with the earphone box main body, and the upper rotating shaft assembly and / or the lower rotating shaft assembly of the metal rotating shaft are / is provided with a hollow structure. Preferably, the edge of the upper rotating shaft assembly and / or the lower rotating shaft assembly of the metal rotating shaft is provided with a slotting structure. Different from the existing technical scheme, the embodiment of the invention can solve the problem of heating of the metal rotating shaft during wireless charging only by optimizing the structural design of the metal rotating shaft.

This application relates to an aviation battery, including a casing and an energy storage unit, a support plate, and an electrical unit disposed within the casing. The bottom wall of the casing has spaced-apart limiting strips, and between adjacent limiting strips are spaced-apart height limiting strips with a height lower than the limiting strips. The energy storage unit is placed on the height limiting strips and abuts against two adjacent limiting strips in the length or width direction of the casing. Each limiting strip has an overflow space, which communicates with the gap formed between two adjacent height limiting strips. The support plate supports the electrical unit above the energy storage unit, and the support plate and the energy storage unit are jointly fixed to the bottom wall of the casing by fasteners. This design ensures that the adhesive is evenly spread and excess adhesive is drained during the coating process, meeting the uniformity and controllability requirements of aviation-grade adhesive coating. Simultaneously, the double-layer structure improves spatial integration, reduces the number of fasteners, enhances overall structural stability, and solves the problem of difficult component assembly in confined spaces.

The invention belongs to the technical field of washing machines, and discloses an impeller and an inner barrel assembly, the impeller comprises a central mounting part and a plurality of stirring paddles radiating from the mounting part to the periphery; the mounting part is of a columnar structure; the stirring paddle has a certain height in the axial direction of the columnar structure and is of a closed structure with a cavity inside. The inner barrel assembly comprises an inner barrel and the impeller. According to the invention, the projection of the impeller towards the bottom of the inner barrel is no longer circular, the area of dirt easily hidden between the bottom of the impeller and the bottom of the inner barrel is reduced, and meanwhile, the stirring paddle adopts a closed structure with a cavity, so that the use requirement that the impeller protrudes out of the bottom of the inner barrel and can stir water flow is met, and the problem that dirt is possibly accumulated in the impeller is avoided; the trouble that dirt is easily accumulated below the impeller and is difficult to clean is solved.

The utility model relates to electronic component testing equipment technical field especially a general diode test seat, including base, upper cover, at least two claw type elastic probe and connecting assembly, the base is along its length direction and is set up through type bearing groove, the both ends of bearing groove length direction are coaxial cylindrical surface end wall, the upper cover is along its length direction and is set up through type cover groove, and the both ends of cover groove length direction are the arc end wall of coaxial with bearing groove end wall, the upper cover is through connecting assembly and covers on the base, makes bearing groove and cover groove position coincidence and forms the restraint cavity of diode middle part limit, claw type elastic probe position corresponds with the restraint cavity position and claw type elastic probe part extends in the outside of base and upper cover, can improve single equipment test containing capacity through the utility model, makes the test efficiency greatly improve.

This application relates to an oven apparatus. The oven apparatus includes an inlet, an outlet, and an electrode transport path located between the inlet and the outlet, with an oven assembly arranged along the electrode transport path. The electrode transport path includes a first transport path between the inlet and the oven assembly, and a second transport path between the oven assembly and the outlet. At least a portion of the first and second transport paths are arranged along the height direction of the oven apparatus. The solution provided by this application can reduce the floor space required, lower the complexity of installation and maintenance, and reduce manufacturing costs.

The invention relates to the field of force sensors, and discloses an orthogonal bidirectional force sensor of a variable cross-section cantilever structure and a measurement method, and the orthogonal bidirectional force sensor comprises a base, an elastic body, a first strain gauge group for detecting a first direction load component, a second strain gauge group for detecting a second direction load component, and a signal processing unit. The first direction is orthogonal to the second direction; the elastic body comprises a first cantilever and a second cantilever, the root of the first cantilever is fixed to the base, the tail of the first cantilever is perpendicularly connected with the side face of the root of the second cantilever, the tail of the second cantilever is a free end, the first strain gauge set is arranged on the first cantilever, and the second strain gauge set is arranged on the second cantilever. The first strain gauge group and the second strain gauge group are connected with the signal processing unit; the first cantilever adopts a first variable cross-section design. The invention has the advantages that the cross interference is reduced, the optimal balance between the sensitivity and the rigidity is realized, the space compactness and the integration degree are extremely high, and the manufacturing and calibration process is simplified.

The invention relates to the technical field of new energy power generation, and particularly discloses a wind-solar complementary power generation device and method based on a power flow algorithm, and the device comprises a photovoltaic panel, a power generation box and a storage battery, the power generation box is connected with the storage battery, the storage battery is connected with the photovoltaic panel, the power generation box is connected with a dynamic adjustment seat, and the dynamic adjustment seat is connected with a sliding assembly. The storage battery is connected with an inverter or a direct-current load, and the inverter is connected with an alternating-current load; the sliding assembly is connected with the photovoltaic panel. The photovoltaic panel can play a role in utilizing wind power to drive the power generation box to generate power, the photovoltaic panel can also automatically convert light energy into electric energy under the irradiation of the sun, solar energy and wind energy are converted into electric energy by utilizing the breeze generator and the solar photovoltaic module, and the situation of power supply interruption caused by insufficient external conditions is avoided.

This invention discloses a belt-type thickening and dewatering integrated machine for wastewater treatment and reuse, relating to the technical field of sludge dewatering equipment. The integrated dewatering machine includes a mounting frame, with a first filter belt located in the middle of the inner side of the mounting frame. A second filter belt, working in conjunction with the first filter belt, provides compression for the sludge. A first roller and a second roller, providing drive path guidance for the first and second filter belts, are rotatably mounted inside the first filter belt. A tail scraper, providing sludge feed to the first filter belt, is located at the end of the first filter belt. A cleaning frame is located at the bottom inner side of the first filter belt. This invention overcomes the shortcomings of existing technologies, achieving water-saving and efficient dead-angle cleaning and regeneration, and is adaptable to different types of viscous sludge, significantly improving dewatering efficiency and applicability, thus possessing high social value and application prospects.

This utility model relates to the field of machinery technology for oil drilling engineering, and particularly to a multi-directional adjustment device for a drill bit and a drill bit itself. The multi-directional adjustment device includes a lifting and rotating mechanism, a telescopic mechanism, a C-frame, and an adjustment assembly connected to the top of the C-frame. The telescopic mechanism includes a first telescopic assembly, a connecting assembly, a second telescopic assembly, and a telescopic drive assembly, all hinged sequentially along its length. A pipe handling device is mounted on the C-frame. The lifting and rotating mechanism drives the telescopic mechanism to vertically lift and rotate, while the telescopic drive assembly drives the first and second telescopic assemblies to expand or retract, allowing the pipe handling device to move to the drill bit position. The adjustment assembly adjusts the horizontal angle of the pipe handling device. The multi-directional adjustment device enables flexible and precise adjustment of the pipe handling device in multiple directions, and its overall structure is simple, using few parts and resulting in low cost.

The utility model relates to a product turnover carrying mechanism, including base, vertical drive component, bearing frame and two turnover subassembly, and turnover subassembly includes drive motor, transmission mechanism and adsorption component, and drive motor rotates adsorption component through transmission mechanism, bearing frame includes the mounting panel connected with the output end of vertical drive component, and first vertical plate and second vertical plate are connected respectively in the both sides of mounting panel, and one turnover subassembly is installed on first vertical plate or second vertical plate respectively, and the relief hole is set up on first vertical plate or second vertical plate, and one of two turnover subassembly, its adsorption component is worn in the relief hole, makes the adsorption component of two turnover subassembly to the same direction and presents high and low arrangement, the utility model discloses adopt the integrated design concept, through the clever relief structure of sharing bearing frame, makes two turnover subassembly in the limited space cooperation work, effectively solved the equipment layout limited problem of traditional mechanism because of the structure redundancy.

The utility model relates to the technical field of cigarette carton sorting, and discloses a cigarette carton sorting system and a cigarette carton sorting logistics layout, the cigarette carton sorting system comprises a supporting platform, a cigarette carton sorting unit is arranged above the supporting platform, and a special-shaped cigarette sorting unit is arranged below the supporting platform; the storage and distribution integrated system comprises a speed multiplication chain arranged below the supporting platform and a multi-penetrating stereoscopic warehouse arranged on the side face of the supporting platform, and the storage and distribution integrated system is suitable for temporarily storing standard fine cigarettes and special-shaped cigarettes; the storing and sorting integrated system is connected with the standard fine cigarette sorting unit through the standard fine cigarette replenishment line and connected with the special-shaped cigarette sorting unit through the special-shaped cigarette replenishment line. The cigarette sorting system provided by the utility model is provided with the standard fine cigarette sorting unit and the special-shaped cigarette sorting unit so as to meet the sorting requirements of full-standard cigarette cartons, and the standard fine cigarette sorting unit and the special-shaped cigarette sorting unit are arranged to be an upper layer and a lower layer so as to save the projection area required by the arrangement of the cigarette sorting system. The method is suitable for transformation of the sorting line in a small plant.

The application provides a display backboard and a display device, and relates to the technical field of display. The display backboard comprises a plurality of pixel circuits arranged at intervals, a light transmission area between the pixel circuits, a plurality of first connecting lines extending along a first direction, and two adjacent pixel circuits connected by the first connecting lines. The pixel circuit comprises a first gate line, a first channel line and a second gate line arranged in sequence. The first channel line extends along the first direction as a whole. The first gate line and the second gate line extend along a second direction as a whole. The first gate line, the first channel line and the second gate line form a first transistor at an overlapping position. The second direction intersects the first direction. The first gate line and the second gate line are connected by a first lap joint line. The first lap joint line is connected to the first connecting line by a via hole.

This utility model relates to the field of communication base station technology, and in particular to a mobile integrated base station. It includes a cabinet with an inclined upper end. A solar panel assembly is rotatably mounted on the lower end of the inclined end. The upper end of the inclined end and the solar panel assembly are fastened together with bolts. Support rods are rotatably mounted on the side walls of the cabinet. The side walls of the solar panel assembly have insertion holes that mate with the support rods. A recessed groove is provided at the upper end of the inclined end, with the bottom wall of the groove recessed towards the rear wall of the cabinet. A mesh panel is detachably mounted on the rear wall of the cabinet at the bottom of the recessed groove. The recessed groove structure at the top of the cabinet allows electrical components to be embedded and installed without interference from the main equipment due to placement inside the cabinet. It also eliminates the need for maintenance personnel to reach into the cabinet through the door for disassembly and assembly, making operation more convenient. The three-point support structure formed by the rotating and adjustable solar panels and the support rods expands the operating space during maintenance, shortening the time required for line disconnection.

The utility model provides a semiconductor device, a cellular structure of the semiconductor device and a mask plate, the semiconductor device comprises a plurality of cells, at least one of the cells comprises a first control gate part and a second control gate part, the first control gate part and the second control gate part are separated from each other, and the first control gate part and the second control gate part are separated from each other. The first control gate part and the second control gate part are connected through the third control gate part, the first control gate part, the second control gate part and the third control gate part form a control gate, the first control gate part and the second control gate part are located in an active region of the semiconductor device, and the third control gate part is located in a transition region of the semiconductor device. The transition region is located between the active region and a terminal region of the semiconductor device. According to the semiconductor device, the gate-drain capacitance is controlled by controlling the widths of the first control gate part and the second control gate part and the distance between the first control gate part and the second control gate part.

The present invention discloses a semi-submersible ship for driving sea energy for power generation and piling, comprising a ship and a hydropower generation system; the ship is provided with a sea current and sea wave energy collector and a pumping and pressurizing device which are linked in sequence, and is also provided with a total water inlet; the input end of the pumping and pressurizing device is connected to the total water inlet, the output end of the pumping and pressurizing device is connected with a second high-pressure pipe, and the second high-pressure pipe is connected to the hydropower generation system; the ship is provided with a pipe sinking pile machine and a pile sinking stabilizing clamp which are arranged up and down respectively; the hydropower generation system is electrically connected to the pipe sinking pile machine. The semi-submersible ship for driving sea energy for power generation and piling provided by the present invention can utilize the energy of sea current and sea wave to generate electricity and piling at sea, which is not only environmentally friendly, but also can greatly extend the duration of a single piling operation, which is conducive to the piling semi-submersible ship to carry out long-term operation at sea.

This invention relates to a power conversion device and a method for manufacturing the same. The power conversion device includes a power module, a cooling plate, and a cooler. The cooler has: a cooling flow path for refrigerant to flow along another side of the cooling plate; a first flow path hole that is spaced apart from the cooling flow path on the opposite side of a first side of the cooling flow path, closer to the power module side, and extends from a third side of the cooling flow path to a fourth side of the cooling flow path; a second flow path hole that is spaced apart from the cooling flow path on the opposite side of a second side of the cooling flow path, closer to the power module side, and extends from a third side of the cooling flow path to a fourth side of the cooling flow path; a first connecting portion connecting the cooling flow path to the first flow path hole; and a second connecting portion connecting the cooling flow path to the second flow path hole. When viewed in a direction perpendicular to the cooling plate, the power module is configured to overlap with at least a portion of the first flow path hole and the second flow path hole.

The application relates to the technical field of gimbal adjustment, in particular to a multi-angle gimbal adjustment device for unmanned aerial vehicles used for remote sensing surveying and mapping, which comprises a lower frame body, the upper surface of the lower frame body is movably connected with an upper frame body, the upper surface of the lower frame body is threadedly connected with a shock-absorbing ball, the upper end of the shock-absorbing ball is threadedly connected with a standard nut, the lower surface of the lower frame body is fixedly connected with a mounting bracket, the upper surface of the mounting bracket is embeddedly connected with a first servo joint, the lower surface of the upper frame body is fixedly connected with a horizontal rail, and the lower surface of the lower frame body is provided with a passive clamping mechanism. In the application, the two gimbals after being converged are synchronously translated along the same short-section guide rail, the position of a camera is flexibly adjusted, the side flight of the camera is avoided to cause attitude mismatch, further iteration of aerial triangulation encryption is avoided to be not convergent or to cause layered misplacement, the phenomenon of drawing and hole breaking occurs during facade modeling, the aerodynamic drag coefficient increases during side flight, the endurance time is shortened, and the collision risk is obviously increased because there is usually no obstacle avoidance sensor in the lateral direction.

The present invention discloses a multi-frequency antenna and its radiation structure, the radiation structure includes: a low-frequency radiation unit, the low-frequency radiation unit includes four groups of first radiators, each group of the first radiators includes two radiation arms arranged at an angle; a high-frequency radiation unit, the high-frequency radiation unit is four, and the four high-frequency radiation units are arranged one-to-one between two radiation arms of a group of the first radiators; and an auxiliary coupling element, the auxiliary coupling element is four, the four auxiliary coupling elements are arranged one-to-one above the four high-frequency radiation units, and the auxiliary coupling element is electromagnetically coupled with the correspondingly arranged radiation arms. The radiation structure can improve the radiation aperture of the low-frequency radiation unit, and the radiation efficiency is high; thus, the radiation index of the multi-frequency antenna using the radiation structure is excellent.