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139results about How to "Flexible loading" patented technology

Airborne weather station apparatus for unmanned plane, and application method thereof

The invention discloses an airborne weather station apparatus for an unmanned plane, and an application method thereof, wherein the unmanned plane is a hollow multi-rotor unmanned plane. The airborne weather station apparatus includes a weather station outer shell, a weather station pedestal, a power module, a drive module and a control module, wherein the weather station outer shell is fixed at the hollow position of the unmanned plane, and two sides of the inner wall of the weather station outer shell are each provided with a guide rail; gears in the drive module drive rotate to drive gear racks to slide on the guide rails; two ends of the weather station pedestal are respectively fixedly connected with the gear racks; the upper and lower sides of the weather station pedestal are each provided with a meteorological monitoring sensor; the control module returns the acquired data to the ground through a wireless transmission module; and during the working process, when the unmanned plane hovers, the airborne weather station apparatus adjusts the gear racks to stop at different positions on the guide rails, and can eventually obtain the meteorological parameters about different heights in the vertical space for the body of the unmanned plane through the meteorological monitoring sensors. The airborne weather station apparatus for an unmanned plane, and the application method thereof can reduce the influence of a wind field formed by flight of the unmanned plane on the detected data of the weather station, and have the characteristics of being high in monitoring accuracy and being simple and flexible in operation.
Owner:SOUTH CHINA AGRI UNIV

Test method and test fixture for in-plane shear test of composite sheets

The invention discloses a test fixture for in-plane shear test of composite sheets. The test fixture comprises two groups of plugs, two groups of clamping plates and two groups of pressure plates. Each plug is in a T-shaped structure with a cylindrical connector at one end, the far end of each cylindrical connector is provided with a through hole, the near end of each cylindrical connector is provided with a thread used for fixed connection with a fixture port of a tester, and a connection plate is arranged at the other end of each plug and axially perpendicular to the corresponding cylindrical connector. Each clamping plate is fixedly connected with the connection plate of the corresponding plug, and the clamping plates and the pressure plates are provided with through holes in positional correspondence and used for fixing a to-be-tested sample through fasteners. The plugs, the clamping plates and the pressure plates are fixedly connected to two sides of the to-be-tested sample respectively. The invention further discloses a test method adopting the test fixture and a method for manufacturing the to-be-tested sample applicable to the test fixture. The test fixture is capable of realizing shear loading by the aid of the common tester and has advantages of simplicity of a loading device, loading flexibility, shear stress field uniformity and the like.
Owner:SHANGHAI JIAO TONG UNIV

Method and device for acquiring indicator of TCP connection in multi-processor environment

The invention provides a method and a device for acquiring an indicator of TCP connection used in a kernel layer in a multi-processor environment. The method comprises the following steps of: requesting permission from a cache module to acquire a pointer pointing to an information entry; acquiring a first data in a TCP connection data packet from skb; saving the first data to an information entry to which the pointer points; reading the first data from the information entry and converting the first data in the information entry into a second data; saving the second data to a log buffer; and writing the second data in the log buffer into a log file. According to the method in an embodiment of the invention, a module can be flexibly loaded or unloaded. The method has high efficiency, high packet capture rate and high data accuracy rate, and can make sure that data will not be lost. With the method, deeper TCP connection data can be easily obtained. Besides, the method is simple in design and assists in acquiring all the data needed under the precondition of low consumption (such as low CPU occupation). Indicator obtaining can be completed directly through a kernel thread by outputting data, without replication and with high efficiency.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Pure battery box of electric automobile suitable for replacing battery mode

The invention relates to the technical field of a pure battery box of an electric automobile, and particularly relates to a pure battery box of an electric automobile suitable for replacing a battery mode. A main power battery box is formed by connecting each side board into a whole; the upper part of the main power battery box is connected with a top board; a roller is arranged on a bottom board; a back side board is connected with a pull rod and battery power supply jacks; a power battery pack is arranged in the main power battery box; buffer isolating insulating rings are arranged among all single power batteries; the main power battery box is arranged in a sealing bracket of the power battery pack on the tail of an electric automobile; according to the invention, the main power battery box can be flexibly loaded and unloaded; and heat radiating holes are designed around the battery box, which is convenient for eliminating heat in time. According to the invention, the battery box of the electric automobile is specified; the connection between the battery box and the pure electric automobile is convenient for loading and unloading, is reliable for work and has anti-deformation and anti-vibration capability; simultaneously, impact, pollution, exposure to sunshine and soak in water are avoided; and the scale and commercial development of the pure electric automobile can be promoted.
Owner:STATE GRID LIAONING ELECTRIC POWER RES INST +1

Hydraulic hanger of double block type sleeper for passenger special line

InactiveCN101708803ASmooth liftSmall force without deformationLoad-engaging elementsEngineeringMechanical engineering
The invention relates to a hydraulic hanger of a double block type sleeper for a passenger special line, belonging to double block type sleeper product pile and loading devices and comprising a small-sized hydraulic station, lifting eyes, a fixed hanger frame, an execution oil cylinder, a movable telescopic link, movable telescopic integrated suspension arms, a buffer positioning protective rod and movable arm lifting support plates; the movable telescopic integrated suspension arms capable of stretching and retracting are respectively arranged at two ends of the fixed hanger frame so as to form a door type structure, i.e. two movable telescopic integrated suspension arms are respectively connected with two ends of the fixed hanger frame through the execution oil cylinder and the movable telescopic rod which are fixedly arranged on the fixed hanger frame; the fixed hanger frame is symmetrically provided with the lifting eyes; the hydraulic station is arranged on the fixed hanger frame; the buffer positioning protective rod is arranged below the fixed hanger frame; evenly-distributed movable arm lifting support plates are longitudinally arranged inside the movable telescopic integrated suspension arms; and opposite movable arm lifting support plates are positioned on the same plane. The hydraulic hanger has the advantages of flexible operation, orderly piling, safety and reliability, improves the operation efficiency, reduces the labor intensity and ensures the quality of products.
Owner:中铁株洲桥梁有限公司

Pressing, bending and twisting composite stress test loading device

The invention discloses a pressing, bending and twisting composite stress test loading device, which comprises a base, a top beam, a reaction wall, a vertical pressure applying piece for applying vertical downward pressure to the top beam, and a horizontal thrust applying piece for applying horizontal force to the top beam, the top beam is arranged above the base, and the pressure applying piece is arranged above the top beam; one end of the horizontal thrust applying piece is hinged to the reaction wall, and the other end of the horizontal thrust applying piece is hinged to the top beam; thehorizontal thrust applying piece can extend and retract in the horizontal direction; the horizontal thrust applying piece and the vertical pressure applying piece are arranged at the two ends of the top beam respectively. According to the invention, the connection position of the horizontal thrust applying piece and the top beam is adjusted; or the connecting rod is used for replacing a horizontalthrust applying piece, loading of load coupling or arbitrary change of a single load of the test piece under the condition of composite stress of pressing, bending and twisting is achieved, the device has the advantages of being flexible in loading, easy to assemble, adjustable and high in applicability and practicability, and all components are detachable and convenient to transport and store.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +2

Multifunctional mineral and organism storage box for manned submersible sampling

InactiveCN105600141AImprove collection and storage efficiencyEasy to carryPackagingRemote controlOrganism
The invention discloses a multifunctional mineral and organism storage box for manned submersible sampling. The multifunctional mineral and organism storage box comprises a mineral and organism storage box body and installation lashing devices. The mineral and organism storage box body is divided into a normally-closed mineral storage area, a normally-closed organism storage area and a manually-opened-and-closed organism storage area. The installation lashing devices comprise F-shaped supports and clamping plates, the upper ends of the F-shaped supports are fixed to the two sides of the mineral and organism storage box body, and the lower ends of the F-shaped supports are connected with the clamping plates through long bolts. The multifunctional mineral and organism storage box is a multifunctional and efficient storage device for collected deep-sea mineral and organism samples and is firm, light, convenient to use and transport, and thus actual use requirements and deep-sea sampling needs can be better met; switching and replacing can be flexibly performed according to sampling needs, and the multifunctional mineral and organism storage box can be conveniently and flexibly carried on large equipment such as deep-sea manned submersibles and remote-control unmanned submersibles. The multifunctional mineral and organism storage box is scientific and reasonable in design, simple and compact in structure, safe and convenient to carry and flexile to switch.
Owner:NAT DEEP SEA CENT

Subway comprehensive monitoring system synchronous communication method based on multi-connection primary-secondary redundancy

The invention relates to a subway comprehensive monitoring system synchronous communication method based on multi-connection primary-secondary redundancy. In single / dual-channel multi-connection segmented data transmission, a program establishes a plurality of software channel connections at two communication ends by using redundant hardware resources of a server and a physical channel; massive monitoring data points are partitioned into small blocks according to logic data; every two software channels are taken as one logical communication unit which is responsible for management and communication of one data block; and interference among the logical communication units is avoided. In single-data-block redundant dual-connection transmission, a single logical data block is taken as a basic unit; two effective communication connections are established simultaneously between two communication parties on the basis of 1 / 2 of an available hardware communication channel; data are monitored through one transmission connection, and the other communication connection keeps in a standby state; when the connection used for transmitting the monitoring data fails due to a communication failure, the other connection substitutes the original connection through rapid switching to transmit the data; the failed connection is turned off; and reestablishment of the connection is performed regularly by trial on an original communication channel until success.
Owner:南京国电南自轨道交通工程有限公司

Vehicle transporting center axle train

The invention discloses a vehicle transporting center axle train. The vehicle transporting center axle train comprises a traction main vehicle part, a center axle trailer part and a connecting coupler; the traction main vehicle part comprises a chassis, a sub frame, a main vehicle side panel, a main vehicle front upper turnover platform, a main vehicle rear upper platform and a tail turnover ramp; the center axle trailer part comprises a traction rod, a trailer frame, a trailer side panel, a trailer upper platform and a turnover ramp mechanism; and the traction main vehicle part and the center axle trailer part are connected with the traction rod through the connecting coupler. The vehicle transporting center axle train is advantaged in that the loading space is effectively utilized because vehicles are piled up through the plurality of groups of turnover ramps; the vehicles are loaded in a flexible and compact manner; mixed loading requirements of commercial vehicles with different brands and large dimension differences can be satisfied; and compared with the existing vehicle transporting semi-trailer, the vehicle transporting center axle train can carry 2-3 more vehicles. The vehicle transporting center axle train has the advantages of small turning radius and good vehicle passing ability because the main vehicle and the trailer are hinged with each other and a hinging point is between the main vehicle and the trailer.
Owner:ANJI AUTOMOTIVE LOGISTICS

Loading and unloading vehicle suitable for rapidly replacing battery box of pure electric vehicle

The invention relates to a loading and unloading vehicle and particularly relates to the loading and unloading vehicle suitable for rapidly replacing a battery box of a pure electric vehicle. A height regulating mechanism is connected on an outer vehicle body, a movable box body is arranged on the height regulating mechanism and rolling wheels are respectively arranged on the periphery of the movable box body; and baffle plates of the movable box body are respectively arranged on the two sides of the upper end of the movable box body, a push-pull rod is connected on the outer vehicle body, side baffle plates of the outer vehicle body are respectively arranged on the two sides of the outer vehicle body, and wheels are arranged at the bottom of the outer vehicle body. The loading and unloading vehicle can control the movable box body to move up and down, the height can be regulated flexibly, electricity utilization is not required, the loading and unloading vehicle is suitable for the electric vehicles in different types, the structure is simple, the operation and the maintenance are convenient, and the loading and unloading vehicle can be used for transportation of batteries of theelectric vehicles in different heights, realize the rapid loading and unloading of the power battery box and improve the stability of the whole vehicle. The product according to the invention can push the large-scale commercial development of the pure electric vehicles and further has social and economic benefits with better prospects.
Owner:STATE GRID LIAONING ELECTRIC POWER RES INST +1

Electro-contact abrasion test bench for cylindrical conductive slip ring

The invention introduces an electro-contact abrasion test bench for a cylindrical conductive slip ring. The electro-contact abrasion test bench comprises a conductive ring driving system, a pressing force and friction force testing system and a contact resistance testing system. The to-be-test conductive ring is supported and positioned by a taper hole cone or a mounted center on a driving shaft and a driven shaft, and is driven to rotate by a pull pin. Two to-be-test brush wires are respectively mounted on two clamp arms; and the same slip ring groove is compressed tightly by the brush wires to operate non-lubricated slip friction. Positive pressure and friction between the slip ring and the brush wires are respectively measured by two force sensors; a serial loop composed of the to-be-test conductive ring, the upper brush wire and the lower brush wire is connected with a standard low resistance meter to measure the contact resistance between the slip ring and the brush wires; and the loop can be connected with a standard voltage-current source to perform charged abrasion test. The abrasion test bench can meet requirements of the abrasion test on cylindrical conductive slip ring with various sizes; operating status of friction abrasion between the conductive ring and the brush wires can be simulated on conditions of different rotating speed and contact pressing force; and the contact resistance, friction coefficient, friction rate and the like can be measured.
Owner:DALIAN UNIV OF TECH

Novel device and method for testing minimum bend radius of ocean engineering flexibility pipeline and cable

The invention discloses a novel device for testing minimum bend radius of ocean engineering flexibility pipeline and cable. The device includes an anvil block, a horizontal slide rail, a tooth bar on the horizontal slide rail, an actuator for pushing the tooth bar to move along the horizontal slide rail, a pinion which coordinates with the tooth bar, a bull gear which coordinates with the pinion, a gear fixing rack for fixing the bull gear and the pinion, and a rope, wherein the anvil block includes an arc plate, a pipeline and cable bending support plate for fixing the arc plate, and a support truss structure. The invention also discloses a novel method for testing minimum bend radius of ocean engineering flexibility pipeline and cable. The novel device and method for testing minimum bend radius of ocean engineering flexibility pipeline and cable can realize that a greater radius of curvature of the pipeline and cable gradually and continuously transits to a smaller radius until the armoured steel wire for the pipeline and cable achieves the yielding state during the loading process, so that the novel device and method can guarantee that the minimum bend radius of the pipeline and cable can be accurately obtained through the test.
Owner:DALIAN UNIV OF TECH
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