20results about How to "Increase payload" patented technology

The invention relates to the technical field of braking systems, in particular to an electro-hydrostatic braking system of an unmanned aerial vehicle. The electro-hydrostatic brake system of the unmanned aerial vehicle is only provided with two sets of hydraulic pipelines; wherein one set comprises a first hydraulic power unit, a first pipeline, a first normally open solenoid valve, a second pipeline and a first hydraulic braking module; the other set comprises a second hydraulic power unit, a third pipeline, a second normally open solenoid valve, a fourth pipeline and a second hydraulic brake module; when the first hydraulic power unit breaks down, the flight controller controls the first normally-open electromagnetic valve to be closed and controls the normally-closed electromagnetic valve to be opened, so that oil is supplied to the first hydraulic braking module through the second hydraulic power unit. When the second hydraulic power unit breaks down, the flight controller controls the second normally-open electromagnetic valve to be closed and controls the normally-closed electromagnetic valve to be opened, so that oil is supplied to the second hydraulic braking module through the first hydraulic power unit. The air load weight of the unmanned aerial vehicle is reduced, so that the effective load of the unmanned aerial vehicle is improved.

The utility model provides a lifting device and a lifting system. The lifting device comprises a frame; the at least one pair of rails comprises two rails, the rails extend in the vertical direction, and racks are arranged in the extending direction of the rails; the lift car is arranged in the frame in a liftable manner and is configured to bear the tray; the actuating assembly is arranged on the lift car, and the actuating assembly comprises first actuating parts, second actuating parts and third actuating parts, and the number of the first actuating parts corresponds to the number of the rails; and the driving gear is arranged at the output end of the first actuating part and is configured to be meshed with the rack, so that the lift car ascends or descends.

A container for handling bulk material is described, the container comprising: a substantially rectangular container frame comprising a pair of bottom end rails, a pair of top end rails, a pair of top side rails, a pair of bottom side rails, the rail pairs being connected at upper and lower regions of four corner posts; a floor panel; and a pair of end plates. The container additionally includes a pair of side members extending outwardly from the sides of the frame to define an interior space in the container in which bulk material of a volume greater than the volume of the container frame can be accommodated; and a series of reinforcing ribs disposed on an inner surface of the side member.

The present invention discloses a robot chassis structure, comprising a shell, a first side plate, a second side plate, a first wheel axle and a second wheel axle; a communication interface is arranged on the shell; the first side plate is connected to the first side wall of the shell, and a first gear box and a second gear box are arranged on the first side plate at intervals, the first gear box comprises two meshing gears and a first driving device connected to a main gear, and the second gear box comprises two meshing gears and a second driving device connected to the main gear; the second side plate is connected to the second side wall of the shell, and a third gear box and a fourth gear box are arranged on the second side plate at intervals, the third gear box comprises two meshing gears and a third driving device connected to the main gear, and the fourth gear box comprises two meshing gears and a fourth driving device connected to the main gear; two driven gears arranged side by side are connected to positions near both ends of the first wheel axle, and another two driven gears arranged side by side are connected to positions near both ends of the second wheel axle.

The invention relates to a heat exchanger of a liquid rocket engine, in particular to a wall surface integrated type 3D printing efficient heat exchange barrel with a water-drop-like section flow channel, and aims to solve the problems that an independent external heat exchanger and a pipeline thereof in an existing liquid rocket engine are complex, so that the requirement for compactness of an engine system is difficult to meet; and the complex pipeline increases the flow resistance of the liquid medium and affects the heating efficiency of the heat exchanger and the overall performance of the engine system. According to the wall surface integrated type 3D printing efficient heat exchange barrel with the water-drop-shaped section flow channel, a heat exchanger is integrated into the wall surface of a high-temperature gas pipeline, a pressurizing medium in a storage box is introduced into a second flow channel for heating, and then the pressurizing medium is introduced into the storage box to complete pressurizing; and compared with an independent external heat exchange scheme, the occupied volume and mass are greatly reduced, the thrust-mass ratio of the engine is increased, and the saved weight can be used for increasing the effective load.

This invention discloses a carbon fiber double-double layup method for a composite material fuselage stringer structure. The stringer is fixed to the inside of the aircraft fuselage cylinder and adopts a carbon fiber double-double layup structure. First, the two angle parameters φ and ψ of the double-double layup are set within the range of 0º-180º and different combinations are made. Then, under a preset bending moment and a preset number of layers, the optimal combination of angle parameters (±φ, ±ψ) is determined by strength calculation. Finally, the double-double layup is repeated in a fixed cycle along the stacking direction according to the determined combination of angle parameters (±φ, ±ψ). This invention can improve the design stiffness and strength of the stringer with the same material usage, or reduce the amount of composite material used with the same stiffness or strength, resulting in high carbon fiber strength utilization and high material utilization rate.

The present application provides a method, device, equipment and computer-readable storage medium for processing game data; the method includes: in the process of game play, obtaining a game data packet triggered by the operation of a game client; obtaining a virtual scene area where a virtual object corresponding to the game client is located; when it is determined that the game data packet meets the data cache condition, adding the game data packet to the data cache queue corresponding to the virtual scene area; when it is determined that the data transmission time has arrived, merging the game data packets in the data cache queue to obtain a merged data packet; determining the target receiving object of the merged data packet, and sending the merged data packet to the target receiving object. Through the present application, the amount of data transmission in the game play can be reduced and the effective load of data transmission can be increased.

A launch system and method for a launch vehicle that can save initial launch fuel includes a support structure, characterized in that: the support structure consists of a horizontal support frame (3) and an ascending section support frame (4), a horizontal track section (5) is installed on the horizontal support frame (3), an inclined track section (6) connected to the horizontal track section (5) is installed on the ascending section support frame (4), a launch acceleration pipe (10) is fixedly installed on the horizontal support frame (3) and the ascending section support frame (4), an electromagnetic catapult (14) is installed on the electromagnetic catapult slide rail (13), a rocket trolley (8) is installed on the horizontal track section (5) and the arc track section (6), and a rocket bracket (9) is provided on the rocket trolley (8). The present invention has a reasonable structure, can obtain sufficient initial velocity before launch ignition, can save launch fuel, can increase the effective payload, and is conducive to saving launch costs.

The present invention relates to the technical field of medical supplies transportation, and in particular to an integrated medical medium-sized material transportation system, comprising a plurality of transceiver stations, a transmission line, a transfer station, a temporary transfer station and a turnover box, wherein the transceiver station, the transfer station and the temporary transfer station are connected by a transmission line, the transceiver station and the transmission line are connected by a vertical lifting device, the transmission line comprises a transverse transmission line, a longitudinal transmission line and a first rotary transfer device, the first rotary transfer device is arranged at the intersection of the transverse transmission line and the longitudinal transmission line, and the turnover box circulates between the transceiver station and the transfer station for the transportation of medical supplies; the present invention provides an integrated medical medium-sized material transportation system in which medical supplies can be automatically, quickly and safely transported to a designated location, the carrying weight reaches 50kg, and the reliability is guaranteed.

The present invention belongs to the technical field of automobile chassis steering mechanism, and proposes a wire-controlled angle drive module steering system. The steering system includes a steering drive mechanism, a steering transmission mechanism, a steering arm, a suspension assembly and a wheel assembly connected in sequence; the steering transmission mechanism includes an angle actuator, a vehicle body connection flange, an RV reducer, an output flange, a nozzle and a wheel angle sensor. The wire-controlled angle drive module steering system can realize independent steering, improve vehicle dynamic response, and realize a variety of flexible driving modes; the RV reducer is used to realize steering torque increase and vertical load bearing, which can increase the chassis payload; as an independent module development, its design and development can be decoupled from the vehicle body, and a unified interface can be realized, plug and play, and quick disassembly and assembly with the vehicle body can be realized; feedback control is adopted, and the online optimization algorithm is used to suppress instantaneous and cumulative errors and maintain a high control accuracy.

The present invention relates to the field of cable technology, and specifically to an astronaut extravehicular cable, comprising an outer sheath and a mica wrapping tape layer and an electromagnetic shielding layer arranged on the inner side of the outer sheath, wherein the electromagnetic shielding layer covers and fixes a plurality of cable cores, and the cable cores are composed of a conductor and an inner sheath; the electromagnetic shielding layer comprises a matrix resin, graphene oxide / carbon nanocomposite fibers and 3D‑MXene@M, wherein M is a transition metal element. The electromagnetic shielding layer in the present invention has good mechanical properties and excellent electromagnetic shielding effectiveness. The astronaut extravehicular cable prepared by the electromagnetic shielding layer can effectively resist electromagnetic radiation from outer space, maintain stable transmission of signals in the cable, and has broad application prospects in outer space exploration.

The application discloses a fairing and a preparation method thereof. First, a mold is prepared, and then an intermediate layer is prepared as a honeycomb-like structure, which is composed of a plurality of small blocks connected to form the honeycomb-like structure; then, according to different regions of the fairing, an outer skin is laid, metal parts are pre-buried, and a composite core material is laid; the outer skin is reversely wrapped, and at the same time, an inner skin is laid on the composite core material and the metal parts; after covering the mold and heating and curing, the product is cooled and demolded. The preparation method is integrally formed, avoids the limitation of the product being constrained by the size of the tank body, is more easy to prepare large special-shaped product, reduces the weight and increases the effective load, and shortens the manufacturing cycle.

The invention discloses a Beidou short message-based power distribution terminal communication optimization method and system, and the method is applied to a Beidou short message-based power distribution automation system, a Beidou communication module obtains a response message of a power distribution automation terminal, sets the highest priority for a remote control message, reports the remote control message in real time, shields a frequent displacement message for a remote signaling message, and carries out the real-time monitoring of the remote signaling message. Key information is extracted from the remaining remote signaling messages, protocol conversion is carried out according to a private protocol, then the messages are reported, and the telemetering messages are reported through total calling and important remote signaling deflection triggering; the data is compressed and numbered before being reported, so that channel blockage and message loss are avoided; and the Beidou short message communication manager obtains a remote control instruction of the power distribution automation master station, directly responds to a corresponding message to the power distribution automation master station if the remote control instruction is a remote control selection instruction or a remote control revocation instruction, directly issues the corresponding message if the remote control instruction is a remote control execution instruction, and starts a retransmission mechanism if the remote control execution confirmation message is overtime. According to the invention, the integrity and reliability of data transmission are systematically improved.

This invention provides a reinforcement and transmission device for the attachment support arm of a tower crane in a double-sided coal bunker boiler unit. The device includes a first tie rod, a second tie rod, a third tie rod, a first transmission beam, and a second transmission beam at the first level, and a first temporary reinforcement transmission beam, a second temporary reinforcement transmission beam, a third temporary reinforcement transmission beam, and a fourth temporary reinforcement transmission beam at the second level. This invention effectively transmits the load of the tower crane exceeding its independent height to the attachment points of the boiler steel structure through the device, ensuring that the attachment points of the boiler steel structure do not experience irreversible deformation or tearing damage. Simultaneously, it ensures that the overall column grid of the boiler does not experience irreversible displacement before an effective overall column grid is formed.

The present application relates to the field of aircraft flight mechanics and flight control, and particularly relates to a distributed overdrive tilting wing aircraft control strategy analysis method, comprising the following steps: step one: determining a rudder distribution scheme; the rudder distribution scheme is determined based on a minimum control energy fusion method; the control of multiple aerodynamic rudders is always linked without considering the flight conditions of the aircraft; in order to fully exert the efficiency of the linkage of multiple aerodynamic rudders, the weighted minimum control energy principle is used to distribute the control input, so as to use the rudders with high authority and high efficiency as much as possible under the same control input, and as little as possible to use the rudders with low authority and low efficiency, and finally make all the rudder angles as small as possible; step two: determining a flap aileron bias scheme; step three: calculating the lift propeller speed.

The present application relates to a kind of deep-sea power push rod, it relates to deep-sea equipment technical field, comprising: cylinder unit, stem;The stem and cylinder unit are slidably connected using dynamic sealing mode;The cylinder unit includes: the main cylinder of two ends opening, the guide module sealedly connected with the front end of main cylinder, the switch control module sealedly connected with the rear end of main cylinder;The stem cleaning structure is provided at the end of the guide module away from main cylinder;Along the axial direction of guide module, the stem cleaning structure relative two sides are communicated with external deep-sea environment;The switch control module is used to control the communication between the inside of cylinder unit and external deep-sea environment, to control the entry of external seawater to push the stem to extend out.The deep-sea power push rod of the present application is simple and reliable in structure, and can realize reliable power output in deep-sea environment only by relying on the pressure difference between inside and outside.

A polymer formed from a first monomer and at least one second monomer different from the first monomer. The polymer is conformationally formed to dissolve a metal salt so as to form a solid electrolyte capable of conducting lithium and other metals, the electrolyte being capable of forming a thin film, layer or otherwise configured to conduct lithium within one or more cells of the battery. The polymers are suitable for use in various components of solid state batteries in various environmental conditions. And a decomposition reaction of the polymer.

This invention discloses a rigid-flexible integrated wall-climbing robot, comprising: a rigid joint, which includes one axial rotational joint and two radial rotational joints, the two radial rotational joints being located on both sides of the axial rotational joint; two soft modules, each connected to one of the two radial rotational joints; two adsorption modules, each connected to one of the two soft modules; and multiple drive modules, located within the axial rotational joint, the two radial rotational joints, and the two adsorption modules. This rigid-flexible integrated wall-climbing robot enables positional transitions between different walls and between wall-mounted pipes, allows for rapid movement on a horizontal plane via U-shaped bends, improving work efficiency. It also enables path avoidance when encountering obstacles and increases the effective payload.

The utility model discloses an unmanned aerial vehicle fireproof bomb mounting and throwing device, and belongs to the technical field of unmanned aerial vehicle equipment. The problems that a fireproof bomb mounting device on an existing unmanned aerial vehicle is high in cost, large in weight and low in mounting and throwing efficiency and reliability are solved. The unmanned aerial vehicle fireproof bomb mounting and throwing device comprises a fixing frame assembly, an unhooking assembly and a movable mounting assembly. The fixing frame assembly comprises a main beam unit, an axial positioning unit, a fixing hook unit and a fixing frame connecting unit. The main beam unit comprises two oppositely-arranged main beams. The unhooking assembly is connected to an undercarriage of the unmanned aerial vehicle and located between the two main beams. One end of the movable mounting assembly is connected to the unhooking assembly in a falling-off mode, and the other end of the movable mounting assembly is connected to the fixed hook unit. The device is simple in structure, light in self weight, high in loading and throwing efficiency of the fireproof bullets and wide in applicability.