32results about How to "Flexible posture" patented technology

The present invention provides a laser ranging system and method. The system includes a laser emitting module, an emitting and receiving common-optical path module, a laser receiving module, and a calculation module; the emitting and receiving common-optical path module includes a first transmission channel and a second transmission channel; the emitting and receiving common-optical path module isused for obtaining a wide-spectrum light source according to initial laser signals emitted by the laser emitting module, irradiating an object to be measured with the wide-spectrum light source through the first transmission channel, and receiving reflected laser signals through the second transmission channel, wherein the reflected laser signals are reflected back from the object to be measuredafter the broad-spectrum light source irradiates the object to be measured; and the calculation module is used for calculating a distance between the object to be measured and the laser ranging system. According to the laser ranging system and method of the invention, by means of the thinness of an optical fiber and the two laser transmission channels in the same optical fiber, emitting and receiving common-optical path distance measurement is realized; and since the application of a plurality of optical fibers is not required, the size of the probe of the laser ranging system can be greatly decreased, and the probe is more flexible and has higher concealment performance.

The invention discloses an automatic landing and recovery system for an unmanned aerial vehicle under the complex dynamic bump conditions. The automatic landing and recovery system utilizes a binocular camera mounted on the unmanned aerial vehicle to position a landing platform, and guides the unmanned aerial vehicle to be landed towards the landing platform; and the landing platform with the adjustable posture is mounted on a carrier, the carrier detects the posture of the unmanned aerial vehicle, the table face posture of the landing platform is adjusted based on the posture of the unmannedaerial vehicle, thus the posture of the landing platform is matched with posture of the unmanned aerial vehicle during landing, the landing process of the unmanned aerial vehicle is more stable and reliable, and the limitation of a traditional unmanned aerial vehicle free landing technology on the landing platform in a stable motion state is relieved. According to the automatic landing and recovery system, the landed unmanned aerial vehicle is further fixed through an electromagnet, thus the unmanned aerial vehicle is parked firmly and does not fall along with movement of the landing platform,the unmanned aerial vehicle can be released to take off at any time by controlling the electromagnet, and the problem that the unmanned aerial vehicle cannot move stably along with the carrier afterbeing landed is solved.

The invention discloses a vertical take-off and landing unmanned aerial vehicle with vectored thrust duct engines. The unmanned aerial vehicle includes a vehicle body, wings and a vertical tail are separately fixedly installed at the middle and the tail of the vehicle body, the tail ends of the wings are provided with wingtips, vectored thrust duct engines are installed below the wings, and the vertical tail and the wingtips are provided with take-off and landing buffering mechanism. The vertical take-off and landing unmanned aerial vehicle with the vectored thrust duct engines uses the take-off and landing buffering mechanism to vertically take off and land, the flight speed of fixed wing unmanned aerial vehicle is possessed on the one hand, the vertical take-off and landing unmanned aerial vehicle with the vectored thrust duct engines can vertically take off and land and hang in the air like a rotor unmanned aerial vehicle, and the dependency of the unmanned aerial vehicle for sitesand runways is greatly reduced.

The invention provides a 3D open-type doctor console applied in a laparoscope robot operation system, and belongs to the technical field of medical equipment. The 3D open-type doctor console solves problems that head postures of a doctor are limited, and posture is single, and ensures security in operation of a device and flexibility of head postures. A lower end of a standing column is fixedly connected with an upper end of a base. A handrail device is slidably connected with the middle part of the standing column. The handrail device does slide motion along up and down directions of the standing column. A 3D monitor is fixedly connected with an upper end of the standing column. The 3D monitor is equipped with special 3D glasses. Two main manipulators are fixedly arranged on the rear endof the handrail device in a left and right manner. The 3D open-type doctor console makes the head of an operator freely move in operation, and postures are flexible, so as to effectively reduce work fatigue strength of the operator, and the operator can use the doctor console freely and conveniently. The 3D open-type doctor console has three kinds of security mechanisms, that is, KINECT, two sidesof the base are provided with correlation photoelectric sensors, and a holder is provided with a capacitive sensor, and security of the device in use is guaranteed.

The invention discloses a photo-cured hydrogel conveying device for minimally invasive surgery and an in-situ printing method. The device comprises a shell, a rotary steering structure and a coaxial spraying nozzle, wherein the rotary steering structure and the coaxial spraying nozzle are installed in the shell, the coaxial spraying nozzle is installed in the shell, and the outlet of the coaxial spraying nozzle is located outside. The posture is changed and adjusted through the transmission of an internal bevel gear group, the rotation of a handle around the Y axis is converted into the rotation of the coaxial spraying nozzle around the X axis, and the rotating range of the coaxial spraying nozzle is 0-180 degrees. The posture is indicated by scale lines on the outer handle, the rotating angle of the handle is indicated by the outer circle, and the rotating angle of the coaxial spraying nozzle at the tail end is indicated by the inner circle. The coaxial spraying nozzle is in a round tube shape. The outlet of the coaxial spraying nozzle is located on the longitudinal axis of a round tube. An embedded curing light source is adopted for one part of the coaxial spraying nozzle. The outer circle of the coaxial spraying nozzle has a material outlet effect and a light shielding effect. Illumination light sources are evenly distributed on the periphery of the coaxial spraying nozzle.By means of the continuous illumination and interval feeding segmented curing strategy, the material curing uniformity is ensured, and efficiency is improved.

The invention provides a non-orthogonal six-shaft teaching rod which comprises a large arm, a small arm, a wrist joint, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, a fifth rotating shaft and a sixth rotating shaft. The first rotating shaft is vertically arranged, a first crank arm is fixed to the upper end of the first rotating shaft, and the first crank arm horizontally extends out towards one side of the first rotating shaft. One end of the large arm is in rotary connection with the first crank arm through the second rotating shaft, and the axis of the second rotating shaft is consistent with the extending-out direction of the first crank arm. The other end of the large arm is in rotary connection with a second crank arm through a third crank arm, the second crank arm extends out towards one side of the large arm, and the axis of the third rotating shaft is parallel to the axis of the second rotating shaft. One end of the small arm is fixedly connected with the second crank arm, and the other end of the small arm is connected with the wrist joint. A vertical plane where the first rotating shaft and the large arm are located does not coincide with a vertical plane where the small arm is located. Potentiometers are arranged at the rotating shafts. The non-orthogonal six-shaft teaching rod adopts a non-orthogonal mode, can meet the teaching demand of a complicated space operation trajectory and is good in trajectory optimization. The wrist joint is compact in structure and good in flexibility, and the cost performance of the potentiometers is outstanding.

The invention relates to the technical field of vacuum adsorption manipulators, and discloses a wafer transmission device and a vacuum adsorption manipulator thereof. The vacuum adsorption mechanical arm for wafer transmission comprises a base, a supporting ring, a rotating supporting plate, a supporting column, a rotating structure, a lifting structure, a telescopic structure and an adsorption structure, the rotating structure is arranged in the base, the lifting structure is arranged in the base, and the telescopic structure and the adsorption structure are arranged on the supporting column. The rotation structure controls the rotation of the manipulator, the lifting structure controls the up-down movement of the manipulator, the telescopic structure controls the stretching of the manipulator, and the adsorption structure is matched to adsorb and rotate the wafer, so that the adsorption capacity is good, the posture is flexible and adjustable in the adsorption transportation process, the transportation space is small, and the production line investment is reduced; and through single-point adsorption of the telescopic adsorption nozzle, the warped wafer can still be adsorbed on the wafer manipulator, the quality safety of the wafer is guaranteed, reliable adsorption can be achieved in the mode that the wafer is perpendicular to the ground, and the application range is wide.

The application provides a fixing device and a chest drainage machine, and belongs to the field of medical equipment. The fixing device comprises two adhering pieces, a first connecting pipe, and a second connecting pipe, wherein the two adhering pieces are oppositely arranged; the first connecting pipe is located between the two adhering pieces; the two adhering pieces are connected to the firstconnecting pipe; and the second connecting pipe is movably arranged in the first connecting pipe, and is arranged movably in the first connecting pipe axially. According to the fixing device and the chest drainage machine provided by the application, the first connecting pipe and the second connecting pipe are arranged, a drainage pipe is fixedly mounted in the second connecting pipe, the second connecting pipe is movably arranged in the first connecting pipe, and is arranged movably in the first connecting pipe axially, so that the length of the drainage pipe entering the chest cavity of thehuman body can be adjusted, the drainage of hydrops of different depths in the chest cavity of the human body is facilitated, and the drainage effect of the chest drainage machine is increased.

The invention discloses a pneumatic bionic snakelike flexible robot which comprises a bionic snakelike head and a bionic snakelike body, the bionic snakelike head is installed at one end of the bionic snakelike body, the bionic snakelike body comprises a plurality of motion conversion joints, a plurality of motion structures, a sealing corrugated pipe and an air pump, every two adjacent motion conversion joints are connected through the corresponding motion structure, and the sealing corrugated pipe is connected with the air pump. The sealing corrugated pipe penetrates through all the motion conversion joints and the motion structure, the two ends of the sealing corrugated pipe are fixed to the motion conversion joint at the foremost end and the motion conversion joint at the rearmost end respectively, an air outlet of the air pump is communicated with the sealing corrugated pipe, and an air inlet of the air pump is communicated with the atmosphere; wherein the motion conversion joint comprises a first shell, a crank sliding block mechanism, a motion wheel and a motion conversion driving structure, and the crank sliding block mechanism is arranged on the first shell; the moving wheel is installed at the outer extending end of a crank of the crank sliding block mechanism. And the motion conversion driving structure pushes the crank to swing.

The invention discloses a robot hollow wrist structure. The robot hollow wrist structure comprises an arm part and a wrist part, wherein the wrist part is rotatably arranged at the front end of the arm part; the arm part comprises a first shell and a first driving mechanism, a second driving mechanism and a first transmission mechanism which are all arranged in the first shell; the first driving mechanism and the second driving mechanism are in transmission connection with the first transmission mechanism; the wrist part comprises a second shell and a second transmission mechanism and an output shaft which are arranged in the second shell; when the first driving mechanism works, the second transmission mechanism and the first transmission mechanism drive the second shell to rotate in a vertical direction; and when the second driving mechanism works, the second transmission mechanism and the first transmission mechanism drive the output shaft to rotate along an axis of the output shaft. According to the robot hollow wrist structure provided by the invention, a wrist movement posture is flexible, the application scene advantage of narrow space is outstanding, the interference space of a large hollow wrist is small, and using working conditions of a welding robot and a universal six-axis robot can be met at the same time.

The invention discloses a clamping table and a machine tool. The clamping table comprises a rotary table, a support arranged on the rotary table, a spindle motor arranged on the support and a clamp arranged on the spindle motor; the rotating axis of the rotary table is arranged in the vertical direction, the rotary table drives the support to rotate around the rotating axis of the rotary table, an output shaft of the spindle motor is arranged in the horizontal direction, the clamp is arranged on the outer side of the support and is used for clamping a workpiece, a clamping channel is formed in the clamp, and the length direction of the clamping channel is parallel to the axis of the output shaft of the spindle motor. According to the clamping table and the machine tool, the machining area can be effectively elevated.