Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

373results about How to "Achieve deformation" patented technology

Vehicle component real object collision test method and tester

ActiveCN101430251ADetermination of impact forceDetermination of transient accelerationRailway vehicle testingShock testingComplete dataSpeed test
The invention discloses a test method for real object crash of vehicle components and a test device thereof. The test method comprises the following steps: the vehicle components are fixed on a carrying trolley which can move on a track, the speed of the trolley is increased to a test value by traction with a drive system before preparing for crash an impact wall; when the carrying trolley moves to a set position before the impact wall, a trigger device is started to detach the drive system from the carrying trolley, a test component and the carrying trolley are caused to crash the impact wall without drive power; a vehicle-borne acceleration test system is arranged on the carrying trolley so as to complete data acquisition in real time; and the trigger device triggers a speed test system, an impact force test system and a high-speed camera system at the same time. The test method of the real object crash of the vehicle components and the test device can help measure objective data in real time such as the impact force, a transient acceleration, component deformation and speed output at the moment of crash, and further can record deformation sequence images of the components during the whole crash course so as to get scientific and exact analysis results.
Owner:CENT SOUTH UNIV

Deformation structure of air vehicle and micro air vehicle

A deformation structure of an air vehicle. The deformation structure includes: a driving part, a transmission part which is fixedly connected to the driving part, is driven by the driving part, and linearly moves back and forth relative to the driving part, a fixing part which sleeves the transmission part, at least two main rods which are respectively disposed on the two sides of the transmission part, wherein each main rod includes a first bottom part and an opposite first tail part, and the first bottom parts of the at least two main rods are hinged to each other and are limited to one end of the fixing part, wherein the end of the fixing part is in proximity to the driving part, at least two auxiliary rods, wherein each auxiliary rod includes a second bottom part and an opposite second tail part, and the two second bottom parts of the at least two auxiliary rods are hinged to each other and are limited to one end of the fixing part, wherein the end of the fixing part is far away from the driving part, at least two pull rods, wherein one end of each pull rod is connected to the first tail part of one of the main rods and the other end of each pull rod is connected to the second tail part of one of the auxiliary rods, and at least two connecting rods, wherein one end of each connecting rod is hinged to the transmission part and the other end of each connecting rod is hinged to the main rod. The invention also provides a micro air vehicle.
Owner:SZ DJI TECH CO LTD

Minitype ornithopter wing driving mechanism with changeable wing area

The invention discloses a minitype ornithopter wing driving mechanism with changeable wing area, and belongs to the technical field of minitype ornithopters. The minitype ornithopter wing driving mechanism comprises a machine body frame, a driving motor, a follow-up gear, a synchronizing gear as well as a front crank, a rear crank, a front connecting rod, a rear connecting rod, a fixe rocking arm, a sliding block rocking arm, a humerus, an ulna, a middle finger bone, a little finger bone, an ulna muscle tendon and a radius which are symmetrically arranged on the two sides of the machine body frame, wherein modulus and tooth number of the follow-up gear and the synchronizing gear are same, the follow-up gear and the synchronizing gear can reversely and synchronously move, and the rear crank and the rear connecting rod can drive the sliding block rocking arm to simultaneously realize fore-and-back movement in upper-down waving manner, so that a wing is driven to transform. The minitype ornithopter wing driving mechanism provided by the invention has the advantages that the structure is simple, the cost is low, the complex movements of wing waving and wing area deformation are simultaneously realized; a wing skeleton drives a patagium to slack in upward waving, and the wing area is small; the patagium is tightened in downward waving, the wing area is enlarged, and the aerodynamic efficiency and flight efficiency are further improved.
Owner:BEIHANG UNIV

Microfluidic chip based on pneumatic micro pumps and micro mixer

InactiveCN103861668AAccurate and automated liquid transferEfficient mixingLaboratory glasswaresMaterial analysisMicrofluidic chipMICRO MIXER
The invention discloses a microfluidic chip based on pneumatic micro pumps and a micro mixer. The microfluidic chip adopts a three-layer structure, a bottom layer is a glass substrate, and a gas drive layer and a liquid flow layer which are made of elastic materials are successively arranged on the substrate; the liquid flow layer comprises a micro mixing chamber, a plurality of micro liquid storage tanks and fluid channels, one end of each fluid channel is connected to the corresponding micro liquid storage tank, and the other end of each fluid channel is connected to the micro mixing chamber; the gas drive layer comprises the micro mixer, a plurality of pneumatic micro pumps and gas channels; externally-added pulse gas pressure is orderly controlled to enter the gas drive layer by an electromagnetic exhaust valve, the pneumatic micro pumps made of the elastic materials and the micro mixer are allowed to work, multiple channels of different solutions are orderly injected into the micro mixing chamber for mixing, so as to realize a purposeful trace chemical reaction. The microfluidic chip can be used for rapid, convenient and accurate realization of automated liquid transport and efficient mixing of a trace liquid, and has important practical significance.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Mobile phone curved glass panel and forming method thereof

The invention discloses a mobile phone curved glass panel and a manufacturing method of the mobile phone curved glass panel. A curved glass panel body is formed by bending a mobile phone panel body toward the same side in an arc shape with the center line of the mobile phone panel body in the X-axis direction or the Y-axis direction as a center, or bending the periphery of the mobile phone panel body toward the same side in an arc shape with the center point of the mobile phone panel as the center, or the mobile phone curved glass panel comprises a main panel and curved panels. The curved panels are formed by bending one or more side edges of the main panel. The multiple curved panels are bent toward the same side relative to the main panel. The forming method includes the three steps of manufacturing a planar glass panel, manufacturing a graphite die and forming the curved glass panel. The good lubricating performance of graphite is used, through exerting certain pressure for deformation, heat deformation is achieved at the temperature below a glass softening point, the manufactured product is high in precision, the designing requirements of a 3D mobile phone glass panel are met, large-scale industrial production can be achieved, production cost can be reduced, and the requirement for personalized and fashionable mobile phones can be met for people.
Owner:LENS TECH

Low-temperature dynamic triaxial apparatus

The invention relates to the field of civil engineering, and particularly to a low-temperature dynamic triaxial apparatus. A confining pressure direct interface and a pore water pressure measuring interface are respectively formed in the side surface of a chassis, a footwall cold bath loop inlet and a footwall cold bath loop outlet are respectively formed in the side surface of a footwall base, an interior shaft chamber is arranged above the footwall base, a hanging wall cap is arranged at the top part of the interior shaft chamber, an exterior shaft chamber is arranged at the periphery of the interior shaft chamber, a cold bath loop chamber is arranged at the periphery of the exterior shaft chamber, a peripheral cold bath loop inlet and a peripheral cold bath loop outlet are respectively formed in the side surface of the cold bath loop chamber, a hanging wall cold bath loop inlet and a hanging wall cold bath loop outlet respectively penetrate the exterior shaft chamber, the cold bath loop chamber and two sides of hanging wall cap, a piston is arranged above the hanging wall cap and is fixed through a ball screw, and a pressure chamber upper cover is arranged at the periphery of the piston. The low-temperature dynamic triaxial apparatus has the following advantages that the temperatures of the top end and the bottom of the soil sample can be controlled, the soil sample freezing process can be simulated, the freezing and thawing state of the soil sample is kept, the temperatures of different parts of the soil sample are monitored, and the deformation and the strength of the soil sample are measured.
Owner:BEIJING JIAOTONG UNIV

Processing method of projector spherical display and rotary output image

The invention relates to a processing method of a projector spherical display and a rotary output image. The processing method of the projector spherical display and the rotary output image includes that a to-be-projected plane rectangular image is taken as a source image and an image outputted by a projector spherical display is taken as a target image, a source image coordinate system, a target image coordinate system and a spherical coordinate system are built firstly, a pixel coordinate of the target image is converted to a three-dimensional coordinate under the spherical coordinate system according to optical path characteristics of a fish-eye lens, and then a rotating transformation is conducted to the three-dimensional coordinate, the three-dimensional coordinate after the rotating transformation is converted to a coordinate under a polar coordinate system, and then a pixel coordinate of the source image can be obtained according to the coordinate under the polar coordinate system. Pixel color output of corresponding pixel coordinate of the target image can be conducted according to the pixel color of the obtained pixel coordinate of the source image. The processing method of the projector spherical display and the rotary output image is capable of solving the problem of image transformation, rotating on any shafts on a spherical screen, and improving spherical display effects projected on the spherical screen.
Owner:WUXI XIKE NETWORK TECH

Wheel-shoe deformation mechanism, travel device and vehicle

The invention provides a wheel-shoe deformation mechanism which includes a traveling device of the wheel shoe deformation mechanism and a vehicle provided with the traveling device. The wheel shoe deformation mechanism comprises a gear seat, the transmission gear and two sets of track spreading units which are hinged on the gear base and whose hinge axes are both parallel to the transmission gearaxes. The gear base is connected with a deformation driving unit capable of driving the reciprocating linear movement thereof, and the reciprocating linear movement direction is perpendicular to the axial direction of the transmission gear. The two sets of track spreading units are connected with a limit structure capable of controlling the opening angle thereof, and the transmission gear is positioned between the two sets of track spreading units so as to be meshable with the inner side of the track. The invention can realize the change of the track shape, and the cooperation of a plurality of wheel-shoe deformation mechanisms can make the traveling device have various working modes such as wheel type and track type, and improve the load bearing performance and obstacle overtaking performance. The track spreading unit can cooperate with the transmission gear to induce and support the track and can adjust the tightness of the track.
Owner:INST OF DEEP SEA SCI & ENG CHINESE ACADEMY OF SCI

Geometric mesh model deformation method based on oblique ellipsoid domain influence convex hull

InactiveCN106991722ASolve the disadvantages of rotational distortionAchieving Multimodal MorphingDesign optimisation/simulationSpecial data processing applicationsLaplacian coordinatesLeast squares
The invention discloses a geometric mesh model deformation method based on oblique ellipsoid domain influence convex hull. The method includes selecting a control vertex to be deformed according to regions of interest, deciding to select an influence region in a logically forward or backward direction from a global mesh vertex, establishing a global or local oblique ellipsoid domain influence convex hull, traversing an annular neighborhood of the control vertex to be deformed, calculating Laplacian coordinates at the mesh vertex, performing least squares restrained deformation for the region to be deformed, and overlapping the region to be deformed and a non-influence convex hull region to obtain a deformation model. According to the invention, the minimum volume enclosing oblique ellipsoid domain is used for representing the influence region of the control vertex, the influence range of the deformation vertex is enveloped precisely, the drawback of rotational distortion of a local vertex in the zooming and rotation transformation of the Laplacian differential coordinates can be overcome, the deformed mesh patch normal vector or vertex normal vector transitions smoothly and uniformly, better smoothness is gained, and the geometric mesh model deformation of a region of geometry adjacency with a non-connected topology is facilitated.
Owner:ZHEJIANG UNIV

Device, system and method for monitoring power transmission tower based on NB-IOT

The invention relates to a device, system and method for monitoring a power transmission tower based on NB-IOT. The device is mounted on a surface of the power transmission tower and is linked with the power transmission tower. The device includes a processor, an MEMS sensor, a carrier phase measurement unit, and a network transmission unit. The MEMS sensor is used for measuring the current attitude information of the MEMS sensor, and transmitting the measured current attitude information to the processor. The carrier phase measurement unit is configured to measure an obtained carrier phase observation value, and sending the carrier phase observation value to the processor. The processor is used for obtaining the attitude offset according to the comparison of the received current attitudeinformation sent by the MEMS sensor with the initial attitude information and determining whether the attitude offset exceeds a preset offset or not, and the alarm information is sent to a server through the network transmission unit, and the attitude offset and the relative position are uploaded to the server. The device, method and system solve the problem that a manual inspection and maintenance mode cannot meet the requirements of the urgency and timeliness of grid line inspection, and achieve all-weather detection.
Owner:福建海峡北斗导航科技研究院有限公司

Surface deformation distribution test sensing element

The invention discloses a surface deformation distribution test sensing element which comprises a flexible sensing thin film, electrodes arranged at the periphery of the flexible sensing thin film uniformly at intervals, lead wires which are connected with the electrodes, an upper flexible insulation layer and a lower flexible insulation layer. Composite materials with strain sensitivity characteristics are utilized to prepare the flexible sensing thin film; and the electrodes and the lead wires are used for outputting specific resistivity information at different positions of the flexible sensing thin film. When in test, the lead wires and a testing instrument are connected; collection test and calculation are carried out by utilizing the electrical impedance imaging technology, the specific resistivity distribution at different positions of the flexible sensing thin film is obtained, and the strain size distribution is obtained through the specific relationship between the strain size of the sensing thin film and the size of the specific resistivity again. The test of two-dimensional deformation field quantity can be realized by the sensing element disclosed by the invention, and the sensing element has the characteristics of simple and ultrathin structure, flexibility, high resolution ratio and precision, great strain range and low cost.
Owner:CHINA UNIV OF MINING & TECH

Reconfigurable wheel

The invention discloses a reconfigurable wheel. The reconfigurable wheel comprises a supporting frame, the supporting frame is evenly provided with three reconfigurable units in the circumferential direction, the periphery of the three reconfigurable units is coated with a caterpillar band, and each reconfigurable unit comprises a first driving mechanism, a connecting block, a power shaft, a powergear and two deforming supporting parts, output shafts are driven to stretch out and draw back through the first driving mechanisms, the connecting blocks are driven to move in the radial direction,on one hand, the power shafts and the power gears are driven to move in the radial direction, through the power gears, the caterpillar band is ejected out or retract, on the other hand, the two sets of deforming supporting parts are driven to take back or open, the deforming caterpillar band is supported, and conversion under two modes of the wheel type and the caterpillar band type can be achieved; and a second driving mechanism is arranged on the supporting frame, through the second driving mechanism, the three power gears are driven to rotate, and the caterpillar band can be driven to run.The reconfigurable wheel has the advantage that rapid back-and-forth switching between two modes of the wheel type and the caterpillar band type can be achieved.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Flexible combined belt conveyor

The invention discloses a flexible combined belt conveyor. The flexible combined belt conveyor is formed by at least two movable conveying units which are each composed of a movable belt conveyor anda transferring platform and are connected end to end. Each movable belt conveyor comprises a conveyor body, universal wheels arranged at the bottom of the conveyor body, a belt conveying device on theupper portion, an electrical connecting socket fixedly arranged at one end of the conveyor body, and an electrical connecting plug connected to the other end of the conveyor body through a soft cable. Each transferring platform comprises a transferring conveying device, a rack, a rotation driving device arranged at one end of the corresponding conveyor body, and a connecting shaft, wherein the transferring conveying device is arranged on the upper portion of the rack, and the rack is arranged on an output shaft of the rotation driving device. A rapid connecting device between every two adjacent movable conveying units is hinged to the corresponding connecting shaft. The electrical connecting sockets are connected with the electrical connecting plugs. The electrical connecting sockets or plugs are electrically connected with the belt conveying devices and the rotation driving devices. The transferring conveying devices are as high as the top surfaces of conveying belts of the belt conveying devices. The flexible combined belt conveyor has the characteristics of being simple in structure, capable of being freely moved and deformation, and variable in length.
Owner:周兆平

Screw driving deformation shock-absorption walking part and firefighting movable platform with same

The invention discloses a screw driving deformation shock-absorption walking part. The screw driving deformation shock-absorption walking part comprises a rack, epicyclic gear train assemblies, an angle modulation device and walking assemblies. The two epicyclic gear train assemblies are arranged symmetrically and comprise sun gears, rotary arms, planet gears and shock-absorption elements. The shock-absorption elements are connected with the rack and the rotary arms correspondingly. A nut block of the angle modulation device is connected with one sun gear. A shaft seat block is connected with the other sun gear, the distance between the nut block and the shaft seat block can be changed under the action of a screw, the two sun gears, the planet gears meshing with the sun gears and the walking assemblies connected with the planet gears are driven to rotate reversely, and thus deformation of the walking part is achieved. When the two walking assemblies are subjected to outer impact, due to existing of the shock-absorption elements, the rotary arms can swing elastically within a certain range, and thus the walking part has shock-absorption performance. In addition, the invention further provides a firefighting movable platform which comprises the screw driving deformation shock-absorption walking part and can be used for design of a firefighting robot.
Owner:CHINA UNIV OF MINING & TECH

Pile and soil interaction visual testing device and method

ActiveCN109868849AGuaranteed to be verticalGuaranteed to be close to the box wallFoundation testingPorosityMeasurement device
The invention provides a pile and soil interaction visual testing device and method. The testing box device comprises a testing box, pile body limiters, model piles, a visual system and a pile body loading and measuring device; and an organic glass box body is embedded in an inner cavity of a box body supporting steel frame, and the detachable pile body limiters are located on the upper part of the testing box so as to ensure that pile bodies are vertically and tightly attached to the inner wall of the box. A matched pile and soil interaction study in soil particle layers for dyeing of the various model semi-piles is developed; the arranged visual system and a modern image processing and analysis technology are combined, and thus soil body interior detail information such as the dynamic stress, deformation, displacement, the soil body porosity and soil particle crushing in the whole process of pile and soil interaction is revealed; and according to the device, the pile-soil layer effect in the experimental study macroscopic level and the pile-soil particle effect in the finely microcosmic level are combined, various experimental study working conditions can be simulated, and the device is low in weight, good in part disassembly, and clear in acting force of structures and parts.
Owner:CHONGQING UNIV

Transformation robot as well as transformation method and combined-steering-engine automatic reset method thereof

The invention relates to a transformation robot as well as a transformation method and a combined-steering-engine automatic reset method thereof. The transformation robot comprises a robot-body main body (1), standing components (3) and supporting components (4), wherein the standing components (3) are arranged at the lower part of the robot-body main body (1); the supporting components (4) are arranged on two sides of the upper part of the robot-body main body (1); the standing components (3) and the supporting components (4) are rotationally connected with the robot-body main body (1) respectively; the transformation robot also comprises a work executing component; the work executing component is arranged at the back of the robot-body main body (1). Compared with the prior art, the transformation robot has the beneficial effects that the transformation of an engineering vehicle is realized through the work executing component; the supporting components can be enabled to support the robot-body main body during transformation through the supporting components; the driving power when the standing components are used for carrying out standing is reduced by a wide margin; the stress balance during the transformation is ensured; the quick transformation is realized, and meanwhile, the transformation robot can be also used for realizing the automatic reset of a combined steering engine of the transformation robot.
Owner:ROBOSEN ROBOTICS (SHENZHEN) CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products