51results about How to "Reduce assistance" patented technology

The invention relates to a high-temperature high-speed test method for a sealed bearing, which comprises the following steps of: firstly designing a testing device, installing two sets of testing accompanying bearings on a testing main shaft, and pretightening through a set of spring and a pressure ring; installing the two sets of testing bearings at the left end and the right end of the testing main shaft, connecting an electric main shaft through a shaft coupling and additionally covering a shield; starting cooling circulating water, adding cooling water into a loading sleeve, starting a hydraulic station, an electric main shaft variable-frequency driving system and a computer control system, applying 20-30 percent of the maximum axial test load and 20-30 percent of the maximum radial test load to the testing bearings, starting the electric main shaft to reach 15-20 percent of the highest rotational speed and running for 15-25 minutes after the heating temperature reaches a set value, and then sequentially adding axial loads and radial loads and increasing the rotational speed of the electric main shaft so as to reach the highest rotational speed when the power consumption current of the electric main shaft tends to be steady; and carrying out computer data processing for the data and images in different time periods of the whole testing process and working out a test conclusion.

According to one embodiment, a method for wireless communication includes performing a first scan of a plurality of wireless channels of a wireless communication network by simultaneously utilizing at least two radios of a base station. The method also includes determining a channel quality metric for at least two of the wireless channels in response to the first scan. The method further includes selecting a first wireless channel of the plurality of wireless channels in response to determining the channel quality metrics. In addition, the method includes communicating on the first wireless channel utilizing the at least two radios of the base station.

The invention discloses a football training method, and relates to the technical field of football training systems. An internet of things precise positioning system acquires positioning positions andmovement information of footballers and footballs and transmits the positioning positions and the movement information to a cloud server processing platform, and the cloud server processing platforminstantly generates a positioning system position distribution diagram of a football field, the footballers and footballs. Intelligent ball passing guidance software is arranged on the cloud server processing platform, and the footballers wear tactical wristwatches to individually receive a footballer position distribution mini-map, or wear intelligent glasses to receive comprehensive informationand select a video broadcast mode or positioning system footballer distribution map mode according to own requirements. By starting with footballer position judgment, running position control consciousness raising, football field real-time training scientific and technological means upgrading and the like, a God's perspective scientific and technological football training system for internet of things precise positioning, the intelligent glasses, intelligent wearing, AR (augmented reality) and AI (artificial intelligence) computing is built to improve crowd control level of footballer positionand distance macroscopic immersion feeling, overall situation control precision feeling and the like.

The invention discloses a tool structure used for installing lifting rigging, a system and a method. The tool structure comprises a support with a plurality of end parts, wherein the end parts are corresponded with a plurality of suspension points on a suspended substrate, and end part forms an accommodation space for accommodating a rope of the lifting rigging; and a plurality of hangers arranged on the support, wherein a suspension hole is provided on each hanger. The system for installing the lifting rigging comprises the tool structure, a crane, a wire rope and a chain block, the wire rope is connected to a suspension hook of the crane, the chain block is connected to the tool structure and the wire rope, wherein, the chain block can upwardly move the tool structure to a first position in a vertical state at the bottom of the rope for conveniently connecting to the suspended substrate, or the chain block can downwardly move the tool structure to a second position in a free relax state at the bottom of the rope, so that lateral extrusion is not provided while the tool structure is lifted.

The embodiment of the invention discloses a vehicle authentication method and device in a parking charging system. The method comprises the following steps: carrying out license plate detection on a target image; under the condition that the license plate number of the vehicle to be driven out of the parking lot is not detected, performing face detection on the target image, and under the condition that the face is detected, extracting a face feature corresponding to each face in the target image as a current face feature corresponding to the vehicle to be driven out of the parking lot; matching the current face feature with the face feature corresponding to each first intra-field vehicle, and determining a first difference value between the current face feature and the face feature corresponding to each first intra-field vehicle; if a first matching confidence coefficient determined based on the minimum target difference value and the second minimum target difference value in the first difference values is greater than a first confidence coefficient threshold, determining that the difference values are different; and determining the first intra-field vehicle corresponding to the minimum target difference value and the to-be-driven-out vehicle as the same vehicle, thereby realizing more comprehensive authentication of the vehicle, ensuring realization of automatic charging of the vehicle, and reducing labor cost.

The invention discloses an agricultural seeding device capable of precisely adjusting the cutting depth during seeding. The device comprises a support, a hydraulic rod and a motor. The hydraulic rod and a seed bin are fixedly installed at the top of the support, the end of an output shaft of the hydraulic rod is used for fixing one end of a connecting rod, a positioning plate is fixedly connectedto the outer wall of an output shaft of the hydraulic rod, rotating wheel blades are installed at a bearing in the middle of a discharging pipe, a limiting pipe and a motor are installed at the bottomof the support, a connecting pipe is installed in the middle of the limiting pipe, a positioning ring is arranged at the edge of the top of the outer deep pipe, the positioning ring sleeves the outerwall of the lower end of a vertical rod, and a supporting rod is connected to a rotating shaft between the outer wall of the positioning ring and the inner wall of the deep tip end. According to theagricultural seeding device capable of precisely adjusting the cutting depth during seeding, the soil layer cutting depth can be conveniently adjusted, meanwhile, soil layer cutting and seeding can beperformed synchronously, and the seeding efficiency is improved while assistance to backfill is reduced.

The invention discloses a self-dismounting amplitude change device of a track crane superlift counterweight. The device comprises a main arm system connected to the front end of a host machine, a superlift mast and a mast; the main arm system is connected with the superlift mast through a superlift amplitude change system; the mast is connected with the superlift mast through a pull plate, and is connected with the host machine through a main amplitude change system; the tail end of the host machine is connected with the superlift mast through a superlift counterweight amplitude change device and a superlift counterweight hanging pull plate; and the superlift counterweight hanging pull plate is connected with a superlift counterweight. In conclusion, the device is convenient for use and obvious in effect, can satisfy total self-dismounting of the track crane superlift counterweight amplitude change device and convenience for shifting of a track crane under such mounting conditions as track crane superlift working condition and arm frame replacing working condition, improves the dismounting convenience of the track crane superlift counterweight amplitude change device and whole machine, saves an auxiliary crane, reduces the labor intensity, and improves the mounting efficiency.

The invention discloses an intelligent trampoline which comprises a bed frame, beg legs and a bed fabric, and further comprises a plurality of first sensors, a central processing unit, a displaying and broadcasting unit and a power supply unit. The first sensors are evenly distributed on the bed fabric. Each first sensor is connected with the central processing unit. Feedback information of the first sensors include stress information collected in real time and position information corresponding to the positions of the first sensors one to one. The displaying and broadcasting unit is connectedwith the central processing unit and displays and broadcasts the processing result of the central processing unit. The power supply unit supplies power to all the units. The intelligent trampoline can collect sports states of users in real time, conduct timely feedback and provide suggestion and supervision signals.

The invention relates to the technical field of prefabricated part transportation, and discloses a device for transporting building prefabricated parts in an automatically grabbing and loosening manner. The device comprises a grabbing frame, wherein movable sliding blocks are movably connected to the interior of the grabbing frame, a fixing hook is movably connected to the lower portion of each movable sliding block, and a contact plate is movably connected between the two fixing hooks; and reset springs are movably connected to the interior of the grabbing frame, a fixed rack is fixedly connected to the upper portion of the contact plate, moving racks are movably connected above the grabbing frame, and a pressure bin is movably connected to the right side of each moving rack. A clamping gear is in transmission connection with transmission gears movably connected with a transmission frame through belts, the transmission gears are further driven to rotate, each transmission gear is meshed with the corresponding moving rack, and the moving racks are further driven to move towards the middle, so that the effect that the fixing hooks start to move to the middle to clamp the prefabricated part is achieved, the building prefabricated parts with different sizes can be transported conveniently, and the working space is improved.

The invention discloses a whole-process auxiliary operation system of a soil detection vehicle. The whole-process auxiliary operation system comprises a soil drilling machine, a chassis, a cab, an experiment cabin, a switch positioning module, a monitoring platform and a power supply protection module. The positioning module is installed in the cab and matched with a photographing and recording all-in-one machine to check the position and the moving track of a vehicle in real time. The monitoring platform is mounted on one side of the experiment cabin and is used for monitoring and storing a side experiment platform and a operation field through a real-time view screen. The power supply protection module is installed in the experiment cabin and used for supplying power to mobile equipment,and the power supply protection module is powered by a generator set or an external power supply. An accelerator adjusting rocker switch is connected with a vehicle tail displayer through the controller, and virtual keys are arranged on the vehicle tail displayer. An air conditioning system is installed at the top of the experiment cabin and connected with a controller, and the controller is connected with a chassis ECU. According to the invention, the purposes of efficient and convenient sampling, testing and repairing processes and evidence-based process supervision can be achieved.

The invention relates to a split-type multifunctional deep hole drilling machine. The split-type multifunctional deep hole drilling machine comprises a mechanical power part, an adjustable worktable for a heavy workpiece, a telescopic correction bridge, an inner chip removal hydraulic part and an electric appliance part. By considering the characteristics of the workpiece such as large weight, eccentric deep holes, irregular appearance and particularity of materials, and by sufficiently utilizing the technical advantages of deep hole boring (drilling) and gun drilling, a novel multifunctional deep hole machining device which is more practical is developed and designed.

A method of controlling a wind turbine including a plurality of rotor blades, a first controller for controlling an adaptive flow regulating system having a plurality of individually controllable adaptive flow regulating devices arranged on the rotor blades, and a second controller for controlling a pitch regulating system for regulating a pitch angle of each rotor blade. The method includes (a) determining a diagnostic value indicative of an operational efficiency of the adaptive flow regulating system, (b) determining a first gain value for the first controller and a second gain value for the second controller based on the diagnostic value, (c) applying the first gain value to control signals for the adaptive flow regulating system generated by the first controller, and (d) applying the second gain value to control signals for the pitch regulating system generated by the second controller, is provided.

Embodiments of the present invention provide a control system for a vehicle, the vehicle (800) being operable in an at least partly autonomous mode and a manual mode, the control system comprising input means (291, 292) for receiving a gaze signal (211) indicative of a direction of a gaze of an occupant of the vehicle (800), and a contact signal (212) indicative of physical contact between the occupant and a control of the vehicle, control means (250, 260, 270, 280, 290) configured to determine an estimate of the occupant's attention to a driving task in the at least partly autonomous mode in dependence on the gaze signal (211) and to determine when the occupant is at least partly obscured relative to the at least one imaging means (150, 220), wherein the control means (250, 260, 270, 280, 290) is configured to determine the estimate of the occupant's attention to the driving task in dependence on the contact signal when it is determined that the occupant is at least partly obscured.

The invention provides automatic hydraulic riveting machine equipment for door and window accessories. The equipment comprises a main body, a mounting part is arranged in the main body, a bearing assembly is arranged on the upper side of the mounting part, fixed clamping assemblies are movably arranged on the left side and the right side of the mounting part, a driving assembly is arranged on the upper side of the main body, the lower end of the lower side of the driving assembly is connected with a movable part, and a stabilizing assembly is arranged in the movable part. According to the automatic hydraulic riveting machine equipment for the door and window accessories, when a riveting device shakes, the force generated during shaking is transmitted to a connecting piece along the outer side of the riveting device, so that a mounting rod is driven to deviate, an adjusting component is driven to move in the opposite direction while the mounting rod moves, then the shaking force on the riveting device is absorbed and counteracted through an adjusting mechanism, so that correction of the riveting device is achieved, resetting of the riveting device is completed, and the riveting quality of the riveting device on the door and window accessories is further improved.

The invention relates to the technical field of PCB (printed circuit board) conveying mechanisms, in particular to a board conveying mechanism of a PCB falling type board conveying machine, which is characterized in that a falling conveying mechanism is arranged to perform falling positioning conveying on PCB conveying, and compared with board conveying machines of other types and structures, a falling type board conveying unit omits the assistance of a tool clamp, reduces the tool cost and improves the production efficiency. Meanwhile, man-made interference and the working intensity of workers are reduced, the production efficiency of a production line is greatly improved, all board feeding steps are orderly connected, and the use practicability is improved; comprising a main body support, a lifting mechanism, a falling conveying mechanism and a bearing mechanism, the lifting mechanism is fixedly installed on the main body support, the falling conveying mechanism is installed on the lifting mechanism, the bearing mechanism is supported and placed on the ground, and the bearing mechanism is tightly attached to the main body support; the falling conveying mechanism comprises a conveying frame, a conveying belt, an air cylinder support, an air cylinder, an air cylinder rod, a hinge seat, a hinge rod, a fixing block, a pulling piece, a rubber head transverse rod and a supporting rubber head.

The invention discloses a medical throat external compressing and fixing device and belongs to medical devices. A horizontal adjusting hole is formed in the middle of the upper side of an arc support, and a left side position adjusting board, a middle position adjusting board and a right side position adjusting board are movably assembled in the horizontal adjusting hole and on the arc support in sequence from left to right. Vertical adjusting screw rods are assembled on the left side position adjusting board, the middle position adjusting board and the right side position adjusting board respectively. The upper ends of the vertical adjusting screw rods are fixedly provided with handles, and spherical fixing heads are assembled on the lower end portions of the vertical adjusting screw rods in an axial and radial positioning and peripheral rotating mode. Two installation seat combination bodies are assembled on the bottom end portion of the left side and the bottom end portion of the right side of the arc support respectively. According to the medical throat external compressing and fixing device, the design is novel and reasonable, the structure is simple, the manufacturing cost is low, the adjustment operation is simple and convenient, fixation is accurate and reliable, the compression force is controllable and adjustable, the treatment effect is easily improved, the pain of a patient is relieved, and the number of auxiliary medical personnel in an operation is reduced.