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

34results about How to "Reduce motion load" patented technology

Virtual-axis millimeter-wave human body security check system

The invention relates to a virtual-axis millimeter-wave human body security check system. The system comprises a virtual-axis guide rail unit, a scanning unit, a scanning driving unit, a data processing unit and a display unit, wherein the virtual-axis guide rail unit comprises a first circular-arc-shaped guide rail; the scanning unit comprises a first group of millimeter-wave antenna arrays and a first millimeter-wave transceiver; the scanning driving unit is used for driving the first group of millimeter-wave antenna arrays to scan in a reciprocating virtual-axis circular-arc-shaped locus on the first circular-arc-shaped guide rail; the data processing unit is used for processing a detection signal from the scanning unit to form a human body image to be detected; the display unit is used for displaying the at least one human body image to be detected. In the human body security check system disclosed by the invention, a virtual-axis scanning way is used, the motion load does not need to be reduced, and the rotational inertia is reduced, so that the scanning speed is increased. The system is small in occupied space, and a single / double-module security check system can be assembled more flexibly according to the size of a practical space and the checked amount.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

KC test stand driving loading device and method and application thereof

The invention discloses a KC test stand driving loading device comprising a vertical motion platform which is connected with a vertical driving mechanism and can be driven and loaded by the vertical driving mechanism to realize vertical motion, and a longitudinal, lateral and rotary motion driving platform which is arranged on the vertical motion platform. The longitudinal, lateral and rotary motion driving platform is respectively hinged with the power output members of three linear motion driving mechanisms via three driving connection points which are triangularly arranged on the longitudinal, lateral and rotary motion driving platform. The longitudinal, lateral and rotary motion driving platform is driven to perform translational motion along an x-axis and y-axis or rotary motion around a z-axis on the plane via linkage driving control of the three linear motion driving mechanisms. The invention also discloses a corresponding driving loading method and an application thereof. Accurate loading of a KC test stand can be realized so that error is low, motor power in a driving single-axis direction is relatively low, and more importantly, high-efficiency and accurate transmission can be realized in rotary loading and acting force and moment measurement is simple and accurate.
Owner:HUAZHONG UNIV OF SCI & TECH

Hydraulic control system for parallel six-degree-of-freedom turntable

The invention relates to a hydraulic control system for a parallel six-degree-of-freedom turntable. The hydraulic control system mainly comprises a motion planning computer, a direct control computer, a communication interface, a position and speed detecting part, a D/A (Digital/Analog) conversion and power amplifier and an electro-hydraulic servo valve. The main functions of all parts of a turntable control system are as follows: the motion planning computer is used for directly receiving an outside control command and parameter, monitoring the motion of a robot in real time, displaying information and sending various control commands to subordinate; the computer is directly controlled to receive the commands and the corresponding given information for the position and speed sent by the higher-level computer; the state value of the monitored object is detected in real time; the communication interface is an important part for transferring information between two-level computers; through the interface, a given value for a motion speed at a certain moment and necessary information for coordination and control of the two levels of computers are supplied to a speed control computer by a position control computer; the electro-hydraulic servo valve can control the flux and the flow direction through an electric signal, so that the speed, direction and size of the joint motion can be controlled.
Owner:HEILONGJIANG ZHENMEI BROADCAST COMM EQUIP

High definition continuous zooming pick-up lens capable of rapidly switching field of view at low temperature

ActiveCN106199934AHigh-resolutionLower secondary spectrumMountingsCamera lensLenticular lens
The invention relates to a high definition continuous zooming pick-up lens capable of rapidly switching field of view at low temperature. The pick-up lens is provided with along the light incoming direction: a front fixed lens group having a positive focal power, a zoom lens group having a negative focal power, a compensation lens group having a positive focal power, and a rear fixed lens group having a iris diaphragm and a negative focal power; the front fixed lens group is provided with a double-convex lens, a positive meniscus lens and a first gluing group which is composed by sealing a negative meniscus lens and a second positive meniscus lens; the zoom lens group is provided with a second gluing group which is composed by sealing a second negative meniscus lens and a second double-convex lens and also a double-concave lens; the compensation lens group is provided with a third double-convex lens, a third gluing group which is composed by sealing a third negative meniscus lens and a fourth meniscus lens, and also a third positive meniscus lens; the rear fixed lens group is provided with a double-concave lens, a fourth positive meniscus lens, a planoconvex lens, and a fourth gluing group which is composed by sealing a third double-concave lens and a fifth double-convex lens. The pick-up lens enables rapid switching at low temperature.
Owner:FUJIAN FORECAM OPTICS CO LTD

Linkage structure of an endoscope apparatus

The invention discloses a linkage structure of an endoscope apparatus. The linkage structure comprises a handle part, a sheath pipe, a flow guiding pipe, a traction wire, a cutting knife and an injection needle, wherein the handle part comprises a first handle, a second handle, an injection pipe and an electrode pipe; the electrode pipe and the injection pipe are arranged in a handle side cover of the handle part; an end cap is also arranged at the front end of the handle side cover; an electrode is fixed to the end cap; the electrode pipe and/or the traction wire penetrates through the end cap; an electrode is in contact conductance with the electrode pipe and/or the traction wire through an electric brush; the flow guiding pipe penetrates through the handle and is fixedly connected with an injection handle; the injection handle moves backwards and forwards to drive the flow guiding pipe to move backwards and forwards; the electrode is fixed on the end cap at the front end of the handle part; besides, an injection opening of the injection pipe is formed in the rear end of the handle part; a driven piece does not have load brought by other connection, so that when the apparatus is used, the grasping part can be sufficiently avoided, the interference to an operator is reduced, the movement load of the apparatus mechanisms is reduced, and the difficulty of realizing the technology is reduced.
Owner:ANREI MEDICAL HZ

Guide wheel dresser feeding structure of air valve rod-part numerical control centerless grinding machine

The invention provides a guide wheel dresser feeding structure of an air valve rod-part numerical control centerless grinding machine, which can guarantee the straight feed accuracy of a guide wheel dresser, guarantee the feed precision of the guide wheel dresser, reduce the movement load of a ball screw and can ensure the long working service life of the ball screw. The guide wheel dresser feeding structure comprises a guide wheel dresser, a base, a servo motor, a ball screw and a screw nut, wherein the guide wheel dresser is supported on the base, the servo motor drives the ball screw, the ball screw is connected with the screw nut in a threading way, one end of the screw nut is tightly connected with the guide wheel dresser, and the guide wheel dresser feeding structure is characterized in that the upper end surface of the base is provided with a dovetail straight lead-rail groove, the bottom of the guide wheel dresser is provided with a dovetail lead rail, the dovetail lead rail is embedded inside the dovetail straight lead rail groove, the servo motor is connected with the input end of a reducer, and the output end of the reducer is connected with the input end of the ball screw.
Owner:WUXI JIANHE NUMERICAL CONTROL MACHINE TOOL

Additive and subtractive double-station synchronous machining method and device for spatially asymmetric component

The material increasing and decreasing double-station synchronous machining device comprises a fixed base, a gantry crane, a material increasing module, a grinding and cutting material module and a composite workbench, the gantry crane comprises a gantry crane cross beam and gantry crane stand columns, a rotating cross beam is arranged below the gantry crane cross beam, a first horizontal driving mechanism is arranged in the gantry crane cross beam, and a second horizontal driving mechanism is arranged in the gantry crane cross beam; the rotating cross beam is driven by the first horizontal driving mechanism to horizontally move relative to the gantry crane cross beam; a linkage cross beam is arranged below the rotating cross beam, a rotating driving mechanism is arranged in the rotating cross beam, the linkage cross beam is driven by the rotating driving mechanism to rotate, the material adding module and the grinding and cutting module are installed on the lower portion of the linkage cross beam, and a second horizontal driving mechanism is arranged in the linkage cross beam. And the second horizontal driving mechanism drives the material adding module and the grinding and cutting module to horizontally move. According to the invention, one-time additive and subtractive machining of the component with the variable cross section can be realized.
Owner:江西应用科技学院

Additive and subtractive double-station synchronous machining method and device for complex structural part

InactiveCN114453982AMeet the requirements of multi-directional processingGet rid of the bondageGrinding carriagesGrinding drivesStructural engineeringGantry crane
The invention discloses an additive and subtractive material double-station synchronous machining device for complex structural parts, which comprises a fixed base, a gantry crane, an additive material module, a subtractive material module and a composite workbench, the gantry crane comprises a gantry crane cross beam and a gantry crane stand column, and the gantry crane cross beam is located above the composite workbench; the gantry crane stand columns are located at the two ends of the gantry crane cross beam and fixed to the fixing bases, the material adding module and the material reducing module are located on the gantry crane cross beam and conduct material adding and reducing machining on parts on the composite workbench, and the device comprises a linkage cross beam and a rotation driving mechanism located in the gantry crane cross beam. The material adding module and the material reducing module are installed on the lower portion of the linkage cross beam and can horizontally move relative to the linkage cross beam, and the linkage cross beam is driven by the rotation driving mechanism to rotate. The structure is compact, and the machining mode is flexible and variable.
Owner:江西应用科技学院

A kind of driving and loading device, method and application of kc test bench

The invention discloses a KC test stand driving loading device comprising a vertical motion platform which is connected with a vertical driving mechanism and can be driven and loaded by the vertical driving mechanism to realize vertical motion, and a longitudinal, lateral and rotary motion driving platform which is arranged on the vertical motion platform. The longitudinal, lateral and rotary motion driving platform is respectively hinged with the power output members of three linear motion driving mechanisms via three driving connection points which are triangularly arranged on the longitudinal, lateral and rotary motion driving platform. The longitudinal, lateral and rotary motion driving platform is driven to perform translational motion along an x-axis and y-axis or rotary motion around a z-axis on the plane via linkage driving control of the three linear motion driving mechanisms. The invention also discloses a corresponding driving loading method and an application thereof. Accurate loading of a KC test stand can be realized so that error is low, motor power in a driving single-axis direction is relatively low, and more importantly, high-efficiency and accurate transmission can be realized in rotary loading and acting force and moment measurement is simple and accurate.
Owner:HUAZHONG UNIV OF SCI & TECH

Blister machine table automatic backing plate

ActiveCN102909850BSupport does not affectRealize multiple unit multiplexingEngineeringBlisters
The invention discloses an automatic base plate for a vacuum forming machine worktable. The automatic base plate comprises a base plate, a plurality of supporting units arranged on the base plate, and at least one manipulation robot, wherein each supporting unit comprises a supporting seat and a supporting rod which is arranged in the supporting seat and can move up and down; the supporting rod can be stopped and supported at a lifting position when the supporting rod moves upwards so as to form a lifting state, and when the supporting rod moves downwards, the supporting rod can be stopped and supported at a descending position so as to form a descending state; the manipulation robot is a movable trolley and comprises a frame, a traveling device, and a lifting device, a positioning device and a controller which are arranged on the frame; the lifting device comprises a lifting frame and a lifting motor; an operation head is arranged on the lifting frame; and the operation head acts on the supporting rod and lift up or put down the supporting rod to an ascending position or a descending position along with the lifting frame. According to the automatic base plate, the state of the supporting units can be actively changed, and the automatic base plate has the advantages of simple structure, light weight and the like.
Owner:GUANGZHOU YUANFANG COMP SOFTWARE ENG

High-definition continuous zoom camera lens with fast field of view switching in low temperature environment

ActiveCN106199934BHigh-resolutionLower secondary spectrumMountingsCamera lensLenticular lens
The invention relates to a high definition continuous zooming pick-up lens capable of rapidly switching field of view at low temperature. The pick-up lens is provided with along the light incoming direction: a front fixed lens group having a positive focal power, a zoom lens group having a negative focal power, a compensation lens group having a positive focal power, and a rear fixed lens group having a iris diaphragm and a negative focal power; the front fixed lens group is provided with a double-convex lens, a positive meniscus lens and a first gluing group which is composed by sealing a negative meniscus lens and a second positive meniscus lens; the zoom lens group is provided with a second gluing group which is composed by sealing a second negative meniscus lens and a second double-convex lens and also a double-concave lens; the compensation lens group is provided with a third double-convex lens, a third gluing group which is composed by sealing a third negative meniscus lens and a fourth meniscus lens, and also a third positive meniscus lens; the rear fixed lens group is provided with a double-concave lens, a fourth positive meniscus lens, a planoconvex lens, and a fourth gluing group which is composed by sealing a third double-concave lens and a fifth double-convex lens. The pick-up lens enables rapid switching at low temperature.
Owner:FUJIAN FORECAM OPTICS CO LTD

Laser cladding wire feeding device

The invention provides a laser cladding wire feeding device. The laser cladding wire feeding device comprises a motor, a motor installation flange, a driven wheel, a wire pressing wheel, a wire feeding wheel and a driving wheel, wherein the motor installation flange is installed on the motor; a motor shaft of the motor penetrates through the motor installation flange; a protruding shaft column isarranged on the motor installation flange; the driving wheel and the wire feeding wheel are coaxially installed on the motor shaft side by side and are driven by the motor shaft so as to rotate synchronously; the driven wheel and the wire pressing wheel are coaxially installed on the protruding shaft column side by side and rotate synchronously; the driven wheel and the driving wheel are in meshing transmission connection through a gear; and the driving wheel transmits rotation of the motor shaft to the driven wheel. The device provided by the invention is simple and clear in structure and easy to disassemble and assemble, the addition of the load of other mechanisms does not need to be considered during installation, the installation space of the whole mechanism is saved, the risks of metal wire bending and unsmooth wire feeding can be reduced, the wire feeding stability is improved, the wire replacement time is shortened, the production efficiency is improved, and the development ofthe laser cladding technology is promoted.
Owner:SHAANXI TIANYUAN MATERIALS PROTECTION TECH

Space thin-wall part material increasing and decreasing multi-station synchronous machining method and device

The invention discloses a space thin-wall part material increasing and decreasing multi-station synchronous machining device. The space thin-wall part material increasing and decreasing multi-station synchronous machining device comprises a fixed base, a gantry crane, a material increasing module, a grinding and material decreasing module, a composite workbench and the like. The fixed base comprises an inner base, an upper base and a lower base. The inner base and the upper base are located on the lower base. The upper base is arranged on the outer side of the inner base in a sleeving manner and rotates relative to the inner base. A gantry crane stand column is fixed to the upper base. The composite workbench comprises an upper workbench body and a lower workbench body. The upper workbench body and the lower workbench body can horizontally move. The gantry crane comprises a gantry crane cross beam and the gantry crane stand column. The gantry crane cross beam comprises a first cross beam body and a second cross beam body. The grinding and material decreasing module and the material increasing module horizontally move relative to the first cross beam body and the second cross beam body correspondingly. The space thin-wall part material increasing and decreasing multi-station synchronous machining device has the beneficial effects of being compact in structure and the like.
Owner:HUNAN UNIV

A virtual axis millimeter wave human body security inspection system

The invention relates to a virtual-axis millimeter-wave human body security check system. The system comprises a virtual-axis guide rail unit, a scanning unit, a scanning driving unit, a data processing unit and a display unit, wherein the virtual-axis guide rail unit comprises a first circular-arc-shaped guide rail; the scanning unit comprises a first group of millimeter-wave antenna arrays and a first millimeter-wave transceiver; the scanning driving unit is used for driving the first group of millimeter-wave antenna arrays to scan in a reciprocating virtual-axis circular-arc-shaped locus on the first circular-arc-shaped guide rail; the data processing unit is used for processing a detection signal from the scanning unit to form a human body image to be detected; the display unit is used for displaying the at least one human body image to be detected. In the human body security check system disclosed by the invention, a virtual-axis scanning way is used, the motion load does not need to be reduced, and the rotational inertia is reduced, so that the scanning speed is increased. The system is small in occupied space, and a single / double-module security check system can be assembled more flexibly according to the size of a practical space and the checked amount.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

device for securing luggage

The invention belongs to the field of bearing tools on light rails, and in particular discloses a device for fixing a trunk. The device comprises an annular track, walk trolleys and a power device which are fixed on the carriage wall of a light rail vehicle, wherein each walk trolley comprises a bearing basal body, a drive gear, and a sucker used for fixing the trunk; the annular track comprises a left vertical track section, an upper horizontal track section, a right vertical track section, a lower horizontal track section and an arc-shaped track section; an oblique support plate is mounted on the carriage wall of the light rail vehicle just below the upper horizontal track section; a plurality of touch rods arranged at equal distances are mounted on the carriage wall of the light rail vehicle between the upper horizontal track section and the oblique support plate, an electromagnet block with the magnetic pole being opposite to that of a permanent magnet block is further mounted on the carriage wall of the light rail vehicle, and a gravity sensor is mounted on the oblique support plate; the power device comprises a drive motor, a drive power supply and a controller which are connected through leads. After the scheme is adopted, the problems that trunks can not be conveniently placed on the existing light rails, and the trunks can be easily damaged are solved.
Owner:CHONGQING JIAOTONG UNIVERSITY

A fast and precise measurement method for distributed plane six-degree-of-freedom pose

The invention discloses a distributed rapid precise plane six-degree of freedom pose measuring device and a measuring method and belongs to the technical field of semiconductor fabrication equipment, and particularly relates to the distributed rapid precise plane six-degree of freedom pose measuring device. According to the distributed rapid precise plane six-degree of freedom pose measuring device, laser diodes are introduced to serve as light sources and two-dimension Phase-Sensitive Detectors (PSDs) are introduced to serve as photoelectric elements. The light source portion and the two-dimension PSDs are integrated, and therefore the size is reduced, the weight is lightened, and installation is convenient. In addition, three cube-corner prisms are arranged on a motion platform, and therefore motion load of the motion platform is reduced. To sum up, the distributed rapid precise plane six-degree of freedom pose measuring device is simple in structure and very appropriate for six-degree of freedom pose measurement on the high-speed motion platform. According to the distributed rapid precise plane six-degree of freedom pose measuring device, the cube-corner prisms arranged on the platform to be measured serve as position sensing elements, a three-dimensional coordinate system formed by the cube-corner prisms and the PSDs is converted into a motion coordinate system of the platform to be measured through transformation of coordinate systems, and therefore six-degree of freedom information can be obtained. And therefore the measuring method is easy and convenient to operate and adjustment of light paths is easy.
Owner:HARBIN INST OF TECH
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