56results about How to "Avoid external influence" patented technology

The invention discloses a wireless charging pile used for unmanned aerial vehicle GPS fixed-point endurance. The wireless charging pile comprises a body, a protective shell, sliding rails, a charging platform, a display screen and an unmanned aerial vehicle, wherein the sliding rails are arranged on the top surface of the body; the protective shell and the sliding rails are arranged in a matched manner; the charging platform is arranged on the top of the body; the charging platform is positioned in the protective shell; the display screen is arranged on the front face of the body; the body is internally provided with a control circuit board, a GPS module, a wireless communication receiving module, a wireless charging transmitter and a storage battery; and a GPS module, a wireless communication transmitting module and a wireless charging receiver is arranged on the unmanned aerial vehicle. The wireless charging pile is intelligently controlled, and is efficient and accurate.

The invention relates to a weathered bedrock hydro-fluctuation belt land seedling cultivation and water growth tree planting method. Because of seasonal water level rise and fall, the weathered bedrock area of the submerged land around a reservoir area exposes periodically, and the method is used for permanently greening the weathered bedrock area by planting trees. The method is characterized in that according to the rise and fall gradient of the water level, root-control container seedlings with corresponding sizes are cultivated on the land, so that land cultivation is completed, then, planting holes are dug on the weathered bedrock hydro-fluctuation belt, planting is directly carried out, and water growth is completed. With any water level, planted water-tolerant hygrophilous trees can partially expose out of the water surface, the photosynthesis and respiration of seedlings can be guaranteed, the phenomenon that soil at the roots of trees is washed out year after year is prevented, the growth of the trees is stabilized, the species of diversity is enriched, and the strong slope protection and soil fixation effects are achieved.

The invention relates to a reservoir bank hydro-fluctuation belt terraced tree planting method.The technical purpose that terraced, appropriate land and appropriate tree ecological environment repair is carried out in the area where surrounding submersed land is periodically changed due to seasonal water level fluctuation of a reservoir bank hydro-fluctuation belt is achieved.The method is characterized by comprising the steps that different terraced distinguishing is carried out on the reservoir bank hydro-fluctuation belt with the water level fluctuation, and plants are distributed based on biological characteristics of water resistance and dry resistance of plants, forest planting controllability, plant allelopathy, arbor-shrub-grass combining degree and arbor-shrub-grass soil conservation, washout prevention and slope protection ability in different growth spaces; life vitality of tree species is kept, a stable plant community is formed as soon as possible, the good protective effect is achieved on stabilizing tree species and avoiding external force impact, greening, slope protection and soil fixation are achieved, and the certain landscape effect is achieved.

The invention relates to a wireless charging system of an unmanned aerial vehicle and a charging control method thereof. The system includes ground platform end and unmanned aerial vehicle end. The ground platform end comprises a box, a first communication module, a first control module, an electric energy transmitting coil, a proximity sensor, an actuating mechanism and a shielding layer. The UAVterminal comprises an UAV, a second communication module, a second control module, an electric energy receiving coil, a voltage detecting module, a UAV battery and a rectifying circuit. The inventionhas the advantages that the voltage detection module is utilized to measure the voltage of the battery of the unmanned aerial vehicle in real time, the charging and discharging of the battery of theunmanned aerial vehicle is effectively controlled through the first and second communication modules and the first and second control modules, and the overcharging of the battery of the unmanned aerial vehicle can be prevented. The problem of concentric coupling of power transceiver coil is solved effectively by using actuator, which avoids the problem of inaccurate positioning and landing of UAV,and improves the efficiency of power transmission of coil. The elastic snap ring plays the role of fixing the UAV and avoids the influence of external force during field operation.

The invention relates to a microseismic wave monitoring method and system based on steam-assisted gravity oil drainage, and the method comprises the steps: arranging a detection device nearby a monitoring region, and starting the detection of a microseismic event; enabling a microseismic signal to be processed initially in an automatic manner after a monitoring substation receives the microseismic signal, and then transmitting the microseismic signal to a central processing station; enabling the central processing station to carry out the analysis and calculation of the data, and obtaining the spatial and time distribution data of the microseismic fracture energy; explaining the occurrence time, spatial distribution and size of the fracture, and determining the distribution range and occurrence time and time of a steam cavity. The invention also relates to a system, and the system comprises a ground monitoring module and an underground monitoring module. The ground monitoring module and the underground monitoring module are respectively used for receiving and processing the microseismic signal data received on the ground and in the observation well. According to the invention, the method effectively improves the event positioning precision under the complex stratum conditions. A microseismic monitoring positioning terminal is simple and reasonable in structural design, and can achieve the real-time and continuous monitoring of the microseismic signal.

The aim of the invention is to provide a circular expander that allows an easy-to-adjust, continuous passage of textiles while not impairing the quality of the passing tubular fabric. For this purpose, a magnetic bearing is provided optionally at the inlet or outlet of the circular expander and a conventional roller bearing is provided at the opposite end of the circular expander.

The invention discloses a high-definition and wide-conduction auto darkening welding filter lens and welding mask, and relates to the technical field of welding masks. The mask comprises a mask body,a liquid crystal screen shell and a liquid crystal screen, the surface of the liquid crystal screen is fixedly connected with the inner surface of the liquid crystal screen shell, the front side of the liquid crystal screen is fixedly connected with an optical filter, the front side of the optical filter is fixedly connected with an electrostatic eliminating film. Clamping grooves arranged on thehigh-definition and wide-conduction auto darkening welding filter lens and welding mask are used for mounting a lens frame, myopia clips are arranged in the lens frame, and the installation or not ofan auxiliary lens is selected according to different needs of a user to make a person with vision defect clearly observe the situation of a welding point, so the user does no need to wear glasses, andthe influences on the wearing of the mask body are avoided; and the mask body can be randomly assembled, can be easily used, and can cooperate with a smoke dissipator to blow away smoke and fog generated during welding in order to avoid visual shielding and eliminate external influences, so the welding quality is greatly improved; and the mask also has a simple structure, and is easy to use.

The invention discloses a mobile vehicle profile measurement instrument. The mobile vehicle profile measurement instrument comprises a base, a first support rod, a measurement assembly, a second support rod, a sliding block, a sliding rod, a sliding groove, a center hole, a second rotation motor, a motor shaft, a second rack, a second motor gear, side holes, a baffle disk and a baffle plate, wherein the first support rod is arranged on one side of the base; the sliding groove is formed in one side of the base; the sliding rod is welded in the sliding groove; the center of the sliding rod is sleeved by the sliding block; the center hole is formed in the top center of the sliding block; the center hole is sleeved outside the sliding rod; side holes are formed in the bottoms of both two sidesof the sliding block; the motor shaft is sleeved in the side holes; one end of the motor shaft is sleeved by the second rotation motor. The mobile vehicle profile measurement instrument is simple instructure and convenient to operate, and is capable of overcoming the external influences, on the vehicles, of vehicle body vibration during the operation of the vehicles; and in addition, the mobilevehicle profile measurement instrument adopts a measurement tool moving manner, so that the measurement precision of large-scale transportation vehicles is greatly improved.

The invention discloses a mold box overturning and lifting device for aerated concrete plate production. The mold box overturning and lifting device for aerated concrete plate production comprises anoverturning plate, a mounting shaft is fixedly arranged on the middle of the side wall of the overturning plate, one end of the side wall of the overturning plate is welded with a U-shaped bent plate,one side, away from the overturning plate, of the inner side of the U-shaped bent plate is welded with U-shaped block, a gravity self-locking mechanism is arranged at a position, close to the U-shaped bent plate, of the side wall of the overturning plate, a hydraulic telescopic oil cylinder is rotationally connected to one end, away from the U-shaped block, of the side wall of the overturning plate, the gravity self-locking mechanism comprises a round hole formed in the position, close to the U-shaped bent plate, of the overturning plate, a shaft sleeve is arranged into the round hole in an inserted mode, a rotating shaft is rotationally connected to the inner wall of the shaft sleeve, a rotating arm is fixedly arranged on one end, away from the U-shaped block, of the rotating shaft through a bolt, a configuration block is fixedly arranged on one end of the rotating arm, and a self-locking hook is arranged at one end, away from the rotating arm, of the rotating shaft. According to themold box overturning and lifting device for aerated concrete plate production, protection can be carried out, the configuration block is prevented from being influenced by the outside, the reliability is higher, the structure is simple, and the equipment manufacturing cost is greatly reduced.

The invention discloses self-powered field waterfall danger warning equipment comprising a fixed rod inserted into the edge of a riverway and characterized in that a box body is mounted on the fixed rod; the upper end of the fixed rod is mounted at the upper end of the box body in a bent mode; a suction pipe is embedded in the fixed rod; a conversion cavity and an electric power cavity are formedin the box body, the upper end of the suction pipe extends to the upper end of the interior of the conversion cavity, a rotating shaft is rotatably inserted into the conversion cavity in a sealed mode, an impeller is mounted on the rotating shaft, the rotating shaft extends into the electric power cavity and is provided with a disc type electric generator, and a storage battery is mounted in the electric power cavity. The siphon phenomenon is formed through the terrain height of the suction pipe and a hose, siphon water flow drives the impeller to generate electricity for warning of a warninglamp, external power supply is not needed, the self-powered field waterfall danger warning equipment is more suitable for mountain forests compared with solar power supply, the equipment is fixed morestably through rotation of a balance disc, and the reliability of warning of the equipment is further improved.

The invention discloses an orthopedic rehabilitation treatment device. The device comprises a neck supporting mechanism, a backrest adjusting mechanism, armrests, a movable auxiliary plate I, a movable auxiliary plate II, an ankle moving mechanism, a supporting frame and a driving mechanism, wherein the backrest adjusting mechanism is arranged on the lower side of the neck supporting mechanism, the supporting frame is arranged on the lower side of the backrest adjusting mechanism, the armrests are arranged on the two sides of the supporting frame, the movable auxiliary plate I and the movable auxiliary plate II are arranged in the supporting frame, the movable auxiliary plate II is arranged on one side of the movable auxiliary plate I, the driving mechanism is arranged on one side of the movable auxiliary plate II, and the ankle moving mechanism is arranged on the upper side of the movable auxiliary plate II. According to the invention, a position suitable for placing the head is found by adjusting the neck supporting mechanism; and when a patient needs to move his legs, the driving mechanism starts to work to drive the movable auxiliary plate I and the movable auxiliary plate II to move so as to play a supporting role, so a shank swinging mechanism and the ankle moving mechanism move, leg muscles and meridians and collaterals are exercised, and blood flow is enhanced.

The invention belongs to the field of ship hydrodynamic performance tests, and particularly discloses a frictionless dynamometer for directly measuring propeller thrust and torque, which comprises a horizontal flow guide shell, a vertical connecting sword, a horizontal gear shaft, a horizontal spline shaft, a horizontal connecting shaft, a measuring end shaft and a signal receiver, the vertical connecting sword is installed on the horizontal flow guide shell, a vertical gear shaft is installed in the vertical connecting sword, and the lower end of the vertical gear shaft is meshed with the horizontal gear shaft; the horizontal gear shaft, the horizontal spline shaft, the horizontal connecting shaft and the measuring end shaft are connected in sequence and are all mounted in the horizontalflow guide shell; and an axial strain gauge and a circumferential strain gauge are pasted on the measuring end shaft, and a wireless node is arranged at the horizontal spline shaft and used for wirelessly transmitting measuring signals measured by the axial strain gauge and the circumferential strain gauge to a signal receiver. The sensor is located on the transmission shaft on the outermost layer, thrust and torque can be directly measured at the near end of the propeller, friction force measurement and deduction work are not needed, and higher measurement precision can be achieved.

The invention discloses a center aligning disk driving device for a rotor coupling of a steam turbine generator unit. The center aligning disk driving device comprises a connecting shaft pin, wherein the connecting shaft pin passes through a driving rotor coupling inner hole and a driven rotor coupling inner hole which are formed oppositely side by side in sequence; a limiting boss positioned on the outer side of the driving rotor coupling inner hole is arranged at one end of the connecting pin shaft; the other end of the connecting shaft pin is movably sleeved with a steel wire rope hanging sleeve positioned on the outer side of the driven rotor coupling inner hole; the circumference of the limiting boss and the circumference of the steel wire rope hanging sleeve are provided with a circle of rope winding groove respectively; a protection copper sleeve is arranged on the surface of the connecting shaft pin. The center aligning disk driving device has the beneficial effects that a driven rotor stress point is added, and a driving rotor and a driven rotor can rotate consistently during disk driving of the rotors, so that two adjacent rotors are subjected to synchronous disk driving simultaneously, the influence of external force is overcome, and the positions of the rotors can be kept consistent after appropriate measurement.

A hydraulic device for cooling at least two wet-running clutches comprises a reversing pump for conveying a coolant liquid, wherein one pump connection is on the suction side and the other pump connection is on the pressure side depending on the direction of rotation of the pump, and comprising a suction inlet for sucking coolant liquid from the reservoir container, a first outlet for conveying coolant liquid to the first clutch and a second outlet for conveying coolant liquid to at least one second clutch. The aim of the invention is to guide a coolant liquid from a suction opening to each outlet associated with one of the pump connections on the pressure side. According to the invention, a valve arrangement having four non-return valves is provided, which are arranged between the pump connection, the suction opening and the outlet such that coolant liquid can only be suctioned through the suction opening on the suction side and can only be conveyed in the direction of the associatedoutlet on the pressure side. By switching the direction of rotation of the pump, the drawn coolant liquid can thus be conducted to the first outlet or the second outlet by means of the valve arrangement.

A control method for an electrical walker is provided. The control method includes measuring a plurality of slope angle values, determining a correction parameter value according to the plurality of slope angle values and generating a corrected driving force value according to the correction parameter value and an original driving force value, so that the influence of external force can be avoided, and the use comfort can be improved.

The invention provides a telescopic VR head-mounted device and a use method thereof, and relates to the technical field of VR device.The telescopic VR head-mounted device comprises a telescopic VR device and a telescopic head-mounted device.The telescopic head-mounted device is installed at the top of the telescopic VR device, and the telescopic VR device comprises a main body frame, a display device, a telescopic framework, a display inner screen, a contact outer ring and a control switch; the display device is installed in the main body frame. According to the VR head-mounted equipment, the adjustable telescopic framework is arranged in the VR head-mounted equipment, and the specific length of the VR head-mounted equipment is automatically controlled, so that the visual field of a user can be completely covered when the VR head-mounted equipment is worn, and the visual field range of the user is concentrated on the display inner screen; by matching with an eyeshade equipped on the VR head-mounted equipment, the number of light rays entering the display equipment in the external environment can be greatly reduced, so that the influence of the light rays in the external environment on watching is reduced, and the use feeling of a wearer can be greatly improved.

The invention discloses a photocatalytic air purification device. The photocatalytic air purification device comprises a protection box body, wherein photocatalytic medium screen plates are fixedly connected to the outer surfaces of the supporting guide columns and arranged at the symmetrical positions of the two sides of the top and bottom parts of an air fan; flow guide plates are fixedly connected to the front surface and the back surface of an inner cavity of the protection box body and are positioned at symmetrical positions on two sides of the photocatalysis medium screen plates; illumination lamps are fixedly connected to the sides, close to each other, of the flow guide plates and arranged between the photocatalysis medium screen plates; multiple layers of filter screens are arranged on the inner surface of an isolation screen box; a ventilation cylinder is arranged in the middle of the side, away from the multiple layers of filter screens, of a fixed mounting plate; and a damping device is fixedly connected to the bottom part of the protection box body. The photocatalytic air purification device relates to the technical field of air purification. According to the photocatalytic air purification device, effective filtration is performed through internal airflow circulation, and dual purification is performed through photocatalysis, so that the purification effect is more thorough and efficient, the influence of internal vibration on the outside is avoided through damping by means of the photocatalytic air purification device, and the overall safety of the photocatalytic air purification device is protected.

The invention provides a 3D food model printer and belongs to the technical field of machinery. The 3D food model printer is used for solving the problem of inferior applicability of the prior art. The 3D food model printer comprises a frame, a printing device, a cleaning device and a stirring device, wherein the printing device, the cleaning device and the stirring device are connected with the frame; the stirring device is used for mixing and stirring various printing raw materials; the stirring device is connected with the printing device and the mixed printing raw materials can enter intothe printing device; the printing device utilizes the mixed printing raw materials to print a 3D food model; the cleaning device is used for cleaning the stirring device. The 3D food model printer hashigh applicability.