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923 results about "Axial rotation" patented technology

Light source device and optical device

To provide a light source device and an optical device which can improve stability of light generated from a light source.SOLUTION: A light source device 100 includes: a target holding part 110 having a holding region for holding a target material TM for generating light L0 by giving excitation light LR thereto; a rotation shaft 120 for supporting the target holding part 110; and an axial rotation driving part 130 connected to the rotation shaft 120, and rotating the target holding part 110 around a central axis C of the rotation shaft 120 through the rotation shaft, wherein the target holding part 110 is rotated at a predetermined target rotation angular velocity, and the target holding part 110 has a mass such that a dangerous angular velocity in rotation becomes 85% or less of the target rotation angular velocity.SELECTED DRAWING: Figure 1
Owner:LASERTEC CORP

Luggage caster for maintenance and replacement and vertical shaft thereof

A luggage caster for maintenance and replacement includes a wheel frame, a vertical shaft, and trolley wheels in a clearance fit with the wheel frame. The vertical shaft is configured to rotate axially within a vertical shaft hole of the wheel frame. a bottom end of the vertical shaft defines a riveting hole for forming a riveting flange. A top end of the vertical shaft is provided with a limiting plate that cooperates with the riveting flange to achieve an axial limitation of the vertical shaft in the vertical shaft hole. The top end of the vertical shaft is further provided with an installation head that protrudes from the limiting plate. The installation head is configured to insert into a shaft hole of a luggage bottom support. The riveting hole of the vertical shaft extends axially along the vertical shaft to define an anti-rotation tool hole.
Owner:YU LIANYING

Heart pump impeller housing with cylindrical magnetic pocket and end ring and impeller bearing flushing

PCT designated stageWO2025226734A1Blood pumpsIntravenous devicesImpellerBlood pump
A mechanical circulatory support (MCS) system having an axial rotary blood pump with an impeller housing having a cylindrical pocket for receiving a magnet and closed by an end ring, requiring only a single circumferential weld and an axial weld. The impeller includes a shaft and one or more blades extending radially from the shaft. An inner and outer wall extend longitudinally from the shaft defining the pocket therebetween. A magnet array is positioned within the pocket and configured to be magnetically driven by an output shaft of a motor. The end ring is coupled to the end of the pocket opposite the shaft thereby encapsulating the magnet array within the pocket. Alignment holes may be provided within a floor of the pocket for orienting and balancing the impeller.
Owner:KARDION GMBH

Ankle-Foot System with an Energy Storing Keel, Vertical Shock Absorbing Pylon, Active Dorsiflexion and Axial Rotation

Embodiments can relate to a prosthetic foot system. The system can include an ankle joint housing co-locating a rotation sub-assembly, a torsional shock absorbing sub-assembly, and a vertical shock absorbing sub-assembly. The system can include a foot component attached to the ankle joint housing. The system can be configured as a co-designed architecture to functionally integrate at least two functions of: (i) torsional shock absorption, (ii) multi-axial motion with stiffness modulation in single gait cycle, (iii) active dorsiflexion, and (iv) vertical shock absorption by causing the at least two functions to operate in concert.
Owner:IMPULSE TECH LLC

Vehicle door handle assembly

A vehicle door handle assembly includes a bracket fixed on an inner side of a door panel and a movable handle fastened to the bracket. The bracket includes first and second levers respectively having first and second holes for receiving first and second axes. The movable handle includes first and second sleeves respectively with first and second recesses to receive the first and second levers and the first and second axes. The second recess includes a top oblong opening. The second axis has a non-circular flange arranged at a first end to be introduced in the top oblong opening and to be restrained axially by a top wall of the second recess. The second axis also includes a non-circular removable cap to be fastened to a second end of the second axis to prevent axial rotation of the second axis with respect to the second recess.
Owner:MINEBEA ACCESSSOLUTIONS FRANCE

Multi-degree-of-freedom bionic arm of humanoid robot

A multi-degree-of-freedom bionic arm of a humanoid robot belongs to the technical field of robots, and seven degrees of freedom of the robot arm are formed by a shoulder swing arm rotating mechanism, a shoulder left-right swing arm rotating mechanism, a big arm axial rotating mechanism, an elbow rotating mechanism, a small arm axial rotating mechanism, a wrist rotating mechanism and a wrist inner drive rotating mechanism. Holes and grooves are formed in the elbow part for laying cables, the cables are not exposed, and the shell size of the elbow joint is reduced. And the cable does not run about when the elbow moves in a large range, so that interference with other parts is avoided. A connecting rod mechanism composed of a first output disc, two connecting rods and a second output disc is arranged on the side face, the load inertia of a forearm joint, a whole arm force arm and the tail end is reduced, and the arm load capacity and motion performance are improved; the wrist drives the front-back and left-right freedom degree axes of the hand to coincide at one point, and the flexibility of the wrist is improved. Due to seven degrees of freedom, the robot is more bionic, the degrees of freedom are also on the same straight line after the arms of a person are straightened laterally, and the movement offset is small.
Owner:CHANGCHUN YUEQUAN BIONIC TECHNOLOGY CO LTD

Packing box sealing paper removing structure and removing equipment

The embodiment of the utility model provides a removing structure and removing equipment for box sealing paper of a packaging box, and relates to the technical field of packaging. The packaging box sealing paper removing structure comprises a first separating assembly and a second separating assembly, wherein the first separating assembly is used for separating outer sealing paper on a packaging box; the second separating assembly is used for separating the inner sealing paper on the packaging box; the adjusting assembly comprises an adjusting seat, a first adjusting part and a second adjusting part, the first adjusting part is arranged on the adjusting seat, the first adjusting part is connected with the first separating assembly and rotates around the axial direction of the adjusting seat relative to the adjusting seat, and the second adjusting part is arranged on the adjusting seat and connected with the second separating assembly; the extending directions of the first adjusting part and the second adjusting part are the same, and the second adjusting part rotates around the axial direction of the adjusting base relative to the first adjusting part, so that the projection of the first separating assembly and the projection of the second separating assembly on the horizontal plane are staggered. According to the structure, the occupied space is reduced, and the equipment cost is reduced.
Owner:SHANGHAI MORIMATSU PHARM EQUIP ENG CO LTD

Multi-degree-of-freedom rotation error acquisition method and device, medium and equipment

The invention discloses a multi-degree-of-freedom rotation error obtaining method and device, a medium and equipment, and relates to the technical field of precision measurement, and the method comprises the steps: installing a double-ball target on the end face of a rotary table, and obtaining a plurality of different rotation angle images when the double-ball target rotates along with the rotary table; detecting the plurality of images with different rotation angles, determining the three-dimensional coordinates of the sphere center positions of the plurality of double-sphere targets, averaging the three-dimensional coordinates of the sphere center positions of the plurality of double-sphere targets, and generating the motion trails of the sphere centers of the double-sphere targets; fitting the motion trail of the center of the double-ball target by adopting a least square circle method to obtain two base circle center coordinates of the motion trail on a two-dimensional plane, and obtaining a multi-degree-of-freedom rotation error of the rotary table according to the two base circle center coordinates; wherein the multi-degree-of-freedom rotation error comprises an axial rotation error, a radial rotation error and an inclined rotation error, and efficient measurement of the multi-degree-of-freedom rotation error is achieved.
Owner:QINCHUAN MACHINE TOOL & TOOL GRP CORP

Large-stroke multi-degree-of-freedom piezoelectric nano probe station

The invention relates to the technical field of micro-nano precision driving and positioning, and discloses a large-stroke multi-degree-of-freedom piezoelectric nano probe station, which comprises an X-axis linear piezoelectric motor platform, a Y-axis linear piezoelectric motor platform, a Z-axis linear piezoelectric motor platform, a rotary piezoelectric motor, a first adapter frame, a second adapter frame and a probe assembly. And the X-axis linear piezoelectric motor platform, the Y-axis linear piezoelectric motor platform and the Z-axis linear piezoelectric motor platform are respectively used for driving the probe assembly to linearly move along the X axis, the Y axis and the Z axis. The rotary piezoelectric motor is used for driving the probe assembly to rotate in the axial direction. According to the invention, a series connection structure of a plurality of linear piezoelectric motor platforms and rotary piezoelectric motors is adopted, so that the probe station realizes X-axis, Y-axis and Z-axis three-dimensional movement, and the probe realizes high-precision positioning of 360-degree rotation. The invention has the characteristics of high repeated positioning precision, high resolution, large stroke and stable operation, and realizes nano-scale positioning and millimeter-scale stroke.
Owner:HARBIN CORE TOMORROW SCI & TECH

Marine cleat with fastener retention

A marine cleat with fastener retention is provided. The marine cleat can be a folding cleat and can include a cleat body configured to operably couple to a mounting surface of the watercraft, and a cleat head extending away from the cleat body. The cleat head can have first and second projections configured to receive a portion of a line, e.g., for mooring the watercraft. A bottom side of the cleat body can include first and second fastener retention slots, each having an insertion cavity that is configured to receive a head of a fastener therein, and a retention end that is configured to laterally receive the head of the fastener and fix the fastener in both axial translation and axial rotation with respect to the cleat body. The insertion cavities of the first and second fastener retention slots can be positioned outwardly from the retention ends.
Owner:PATRICK IND INC

Servo motor straight-pole and oblique-pole dual-purpose rotor iron core press-fitting tool and press-fitting method thereof

The invention discloses a servo motor straight pole and oblique pole dual-purpose rotor iron core press fitting tool and a press fitting method thereof.The servo motor straight pole and oblique pole dual-purpose rotor iron core press fitting tool comprises a base assembly, a rotor iron core positioning assembly and a pressing assembly, a supporting hole is formed in the base assembly, the rotor iron core positioning assembly comprises two positioning units, and the two positioning units are arranged on a rotor shaft in a sleeving mode in the using state; the two positioning units rotate in the axial direction to adjust the angle so as to be used for conversion between straight pole press fitting and oblique pole press fitting of the two rotor cores, and the pressing assembly can be arranged on the rotor shaft in a sleeving mode from the top end of the rotor shaft in the using state and can move up and down relative to the rotor shaft. The axial positioning device is used for axially positioning the rotor iron core and pressing the rotor iron core downwards so as to press the rotor iron core in place. According to the invention, only one set of tool is used, two rotor iron core straight poles or skewed poles of the servo motor can be pressed on the rotor shaft, the universality of the tool is improved, the cost is lower, and the pressing efficiency of the rotor iron core is effectively improved.
Owner:NANJING ESTUN AUTOMATION CO LTD

Unmanned aerial vehicle spraying device

A sprayer adjusting mechanism of the unmanned aerial vehicle spraying device comprises a control steering engine and a sprayer movable support, a sprayer is connected with the sprayer movable support, the sprayer movable support is connected with a spraying rod, the control steering engine comprises a first steering engine, a second steering engine and a third steering engine, the first steering engine and the second steering engine are installed at the tail end of the spraying rod, and the third steering engine is installed at the tail end of the spraying rod. The first steering engine controls the nozzle movable support to move through two pull ropes to enable the nozzle to rotate up and down, the second steering engine controls the nozzle movable support to move through two pull ropes to enable the nozzle to rotate left and right, and the third steering engine is installed at the head end of the spraying rod and used for controlling the nozzle movable support to move to enable the nozzle to rotate axially. The spraying head of the unmanned aerial vehicle spraying device can deflect by + / -45 degrees in four directions and axially rotate by 90 degrees, complex areas such as windowsills and eaves can be accurately covered, the limitation of a traditional flight track is broken through by dynamically adjusting the spraying sector direction, and the unmanned aerial vehicle obtains omnidirectional maneuvering freedom while the optimal spraying quality is kept.
Owner:NINGBO BEICHUANG HANGAO TECH CO LTD

Clevis pin press tool

A press tool comprises a base assembly defining a housing guide surface, a drive pin, and a guide sleeve defining a sleeve guide surface. The drive pin engages the base assembly such that axial rotation of the drive pin causes linear displacement of the drive pin relative to the base assembly. The housing guide surface engages the guide sleeve. The sleeve guide surface engages the drive pin.
Owner:TIGER TOOL INT INC

Photoelectric turbine flowmeter based on planar magnetic coupling and right-angle gear commutator

The utility model discloses a photoelectric turbine flowmeter based on a planar magnetic coupling and a right-angle gear commutator, and relates to the technical field of measurement. The device comprises a turbine rotating mechanism and a detection unit, and the turbine rotating mechanism comprises a shell, a front fluid director, a rear fluid director, a turbine assembly, a right-angle gear commutator, a first plane magnetic coupling and a second plane magnetic coupling, the detection unit comprises a detection cavity and a photoelectric rotating speed sensing device arranged in the detection cavity; axial rotation is converted into transverse rotation through the right-angle gear commutator and the first plane magnetic coupling, the transverse rotation is transmitted to the second plane magnetic coupling in the detection cavity, and the rotation speed of the second plane magnetic coupling is obtained through detection of the photoelectric rotation speed sensing device. And the photoelectric rotating speed sensing device in the detection cavity is not polluted by substances in the shell and is not easily influenced by a magnetic field, high temperature and high pressure, so that the measured flow is accurate.
Owner:INST OF METROLOGY OF HEBEI PROVINCE +1

Automatic fastening equipment for beer spear of beer barrel

The utility model provides automatic fastening equipment for a beer spear of a beer barrel, which comprises a rack, a beer barrel conveying belt is arranged on the rack along the horizontal direction, a plurality of groups of beer barrel fixing devices are arranged along the beer barrel conveying belt, and each beer barrel fixing device comprises clamping arms arranged on the left side and the right side of the beer barrel conveying belt. A beer barrel fixing device is arranged on the beer barrel conveying belt, a beer spear fastening device is arranged above the beer barrel conveying belt and comprises a lifting mechanism, screwing heads corresponding to the beer barrel fixing devices in position are arranged on the lifting mechanism, the screwing heads can rotate in the axial direction, horn-shaped openings are formed in the lower ends of the screwing heads, and automatic barrel blocking devices are arranged behind the beer barrel fixing devices. According to the automatic fastening equipment for the beer spear, under the condition that a beer barrel conveying line continuously runs, barrel blocking and beer barrel positioning and fixing can be automatically conducted, the screwing head and the beer spear rotate through friction force to fasten the beer spear, the automatic fastening equipment is suitable for assembly line work of beer barrel filling, the production efficiency and quality can be effectively improved, the labor cost is reduced, and the safety risk is reduced.
Owner:QINGDAO DELONG PACKAGING EQUIP CO LTD

Screwing mechanism for processing sphere-like peaches

The utility model discloses a screwing mechanism for processing sphere-like peaches. The screwing mechanism comprises a left clamping arm and a right clamping arm, the same ends of the left clamping arm and the right clamping arm are hinged, and the other ends are respectively provided with a screwing mechanism; the left clamping arm and the right clamping arm are driven by the driving mechanism to drive the screwing mechanism to swing in the direction close to the two sides of a peach or away from the two sides of the peach so as to clamp or loosen the peach. An air bag is arranged at the end, facing the peach direction, of each screwing mechanism, and the air bags are driven by the air supply mechanism to achieve inflation wrapping or deflation separation on the two sides of the peach. The left clamping arm and the right clamping arm are respectively provided with a linkage mechanism for driving the screwing mechanism to axially rotate so as to screw the two sides of a peach. Peach pulp can be sectioned and denucleated in a screwing mode instead of a traditional cutting or manual denucleating mode, and the condition of the pulp is better. The air bag is inflated and deflated through the air pump and can be fully and compactly attached to the outer surface of a peach, so that the screwing acting force is distributed more uniformly, and the situation that pulp is abraded due to the fact that the local stress of the pulp is too large is avoided.
Owner:SHANDONG KENUO MASCH TECH CO LTD

Trampoline support folding structure and trampoline

The utility model relates to a trampoline support folding structure and a trampoline, and belongs to the field of sports goods, the trampoline support folding structure comprises a plurality of telescopic stand columns and folding mechanisms arranged between adjacent telescopic stand columns, the telescopic stand columns and the folding mechanisms surround to form a regular polygon, and locking mechanisms are arranged on the telescopic stand columns. Each folding mechanism comprises a first connecting piece arranged on the upper edge of the side wall of the corresponding telescopic stand column, a second connecting piece arranged on the lower edge of the side wall of the corresponding telescopic stand column, and a folding rod which connects the adjacent telescopic stand columns through rivets of the first connecting pieces and can rotate in the axial direction of the connecting position. The adjacent telescopic stand columns are connected through the first connecting pieces and the second connecting pieces through the rivets, the X-shaped frames can rotate in the axial direction of the connecting positions, the crossed positions of two rods of the X-shaped frames are connected through the rivets, the trampoline can be folded, stored and transported without being disassembled, the occupied space is small, folding operation is easy, all components are independent and do not affect one another, and the trampoline is convenient to use. If damage exists, only corresponding parts need to be replaced, installation and maintenance are convenient, and cost is low.
Owner:SHANGQIU JIEMEI SPORTING GOODS CO LTD

Conductive wire bending life testing device applied to new energy automobile

The invention relates to the technical field of conductive wire rod detection, and discloses a conductive wire rod bending life testing device applied to a new energy automobile, which comprises a testing machine main body and two support frames, and further comprises a rotating frame rotationally mounted between the two support frames, and a plurality of rotating seats are rotationally connected to the rotating frame; the lower portion of the rotating seat is provided with a through hole for a conductive wire to penetrate through, the bottom of the rotating seat is fixedly connected with a wire bunching ring, and a torsion mechanism is jointly installed between the rotating frame and one of the supporting frames and used for driving the rotating seat to rotate. The driving assembly and the driving assembly cooperate with each other, and in the synchronous process that the rotating frame drives the conductive wire to complete a bending test, the precise cooperation of the driving disc and the guide wheel can drive the connecting rod to do reciprocating motion in the horizontal direction, so that the rotating seat is driven to rotate around the axial direction of the rotating seat, and the torsion test of the conductive wire is achieved. The complex stress state of the conductive wire of the new energy automobile in the actual working condition can be truly simulated through the composite motion mode.
Owner:GUANGDONG MINZAN IND CO LTD

Folding marine cleat with fastener retention

A folding marine cleat can include a base and a cleat head having a detent spring member. The cleat head can be positionable with respect to the base in stowed and deployed positions by a four-bar linkage with first and second legs to transition the cleat head between deployed and stowed positions. The legs can include stowed and deployed flat portions positionable to selectively be in contact with and abutting the detent spring member to retain the cleat head in the stowed or deployed position. The base can include fastener retention slots with opposing opening surfaces and opposing retention surfaces being spaced apart at a distance to receive a square portion of a fastener therebetween to fix the fastener in axial rotation with respect to the cleat base, with the opposing opening surfaces being spaced apart at a distance narrower than a distance across the square portion of the fastener.
Owner:PATRICK IND INC

Folding marine cleat with fastener retention

A longitudinally folding marine cleat can include a base having a first fastener retention slot and a second fastener retention slot, each having a first jaw and a second jaw defining opposing opening surfaces and opposing retention surfaces. The opposing retention surfaces can be spaced apart at a distance configured to receive a square portion of a carriage bolt therebetween to fix the fastener in axial rotation with respect to the base, and the opposing opening surfaces can be spaced apart at a distance narrower than a distance across the square portion of the fastener, but at a width permitting a shank portion of the fastener to laterally pass through. A cleat head can be hingedly coupled to the base with first and second legs, which together with the base are configured as a four-bar linkage to transition the cleat head between deployed and stowed positions.
Owner:PATRICK IND INC

A three-axis self-stabilizing gimbal

The present invention provides a three-axis self-stabilizing gimbal, which solves the problem that the existing self-stabilizing gimbal only satisfies the axial rotation in the heading and pitching directions, and the clarity and stability of the captured image are poor during the movement. The gimbal includes a control unit, a fixed top frame, a gyroscope assembly, a rotating cavity assembly, a middle bin assembly, a heading motor, a roll motor, a pitch motor, a camera function assembly, and a gyroscope assembly device provided in the camera function assembly; the stator and rotor of the heading motor are respectively connected to the fixed top frame and the rotating cavity assembly; the stator and rotor of the roll motor are respectively connected to the rotating cavity assembly and the middle bin assembly, and the axis of the roll motor stator is perpendicular to the axis of the heading motor rotor; the stator of the pitch motor is fixed in the middle bin assembly, the axis of the pitch motor stator is perpendicular to both the axis of the roll motor stator and the axis of the heading motor rotor, and its rotor is connected to the camera function assembly; the control unit is connected to the gyroscope assembly and controls the actions of the heading motor, the roll motor, and the pitch motor respectively.
Owner:XIAN QUANTUM INTELLIGENT TECH CO LTD

Implants for full constraint of pyramesh t-cage

A multi-level vertebral implant comprising a biocompatible cage disposed between a first and a second endplate configured to maximize subsidence and bone contact with adjacent vertebrae is disclosed. In some embodiments, the multi-level vertebral implant comprises a first and a second endplate having plurality of anti-migration features on the bone contacting surfaces of the endplates. In various embodiments, the endplates may be configured to prevent radial and axial rotations of biocompatible cage. In various embodiments, each endplates further comprise and anterior plate that is configured to provide anchoring of the multi-level vertebral implant to ventral surfaces of the adjacent vertebrae to prevent migration of the multi-level vertebral implant in an installed state.
Owner:WARSAW ORTHOPEDIC INC

Luggage caster for maintenance and replacement and vertical shaft thereof

A luggage caster for maintenance and replacement includes a wheel frame, a vertical shaft, and trolley wheels in a clearance fit with the wheel frame. The vertical shaft is configured to rotate axially within a vertical shaft hole of the wheel frame. a bottom end of the vertical shaft defines a riveting hole for forming a riveting flange. A top end of the vertical shaft is provided with a limiting plate that cooperates with the riveting flange to achieve an axial limitation of the vertical shaft in the vertical shaft hole. The top end of the vertical shaft is further provided with an installation head that protrudes from the limiting plate. The installation head is configured to insert into a shaft hole of a luggage bottom support. The riveting hole of the vertical shaft extends axially along the vertical shaft to define an anti-rotation tool hole.
Owner:YU LIANYING

Seal beard-imitated flow field measuring device and flow field measuring method

The invention discloses a seal beard-imitated flow field measuring device and a seal beard-imitated flow field measuring method, and belongs to the technical field of flow field detection.The seal beard-imitated flow field measuring device comprises a base, a cross beam, a piezoresistive strain gauge, a seal beard imitated part and a guide wing, four beam bodies of the cross beam are respectively provided with the piezoresistive strain gauges, the seal beard bionic part forms a cylinder extending in the axial direction, the section of the seal beard bionic part is oval, the size of the seal beard bionic part changes periodically in the axial direction, the guide wing is installed on the seal beard bionic part, and the seal beard bionic part is connected with the guide wing. The bottom end of the seal beard bionic part is installed at the center position of the cross beam in an axial rotation mode and is perpendicular to the plane where the cross beam is located. Through the innovative design of simulating seal beards, the accuracy, the reliability and the adaptability of flow velocity measurement are remarkably improved, and the flow velocity sensor has the advantages of being outstanding in performance in low-speed water flow and complex water flow environments, small in size, light in weight, easy to integrate and the like.
Owner:TIANJIN UNIV

Special-shaped workpiece dismounting device

The utility model provides a special-shaped workpiece dismounting device, which belongs to the technical field of workpiece dismounting, and comprises a central screw rod, a support component, a driving piece and a claw component, and a special-shaped workpiece is inserted into a fixed workpiece. The two ends of the supporting assembly are perpendicular to the fixed workpiece and connected with the fixed workpiece, the center screw penetrates through the supporting assembly and is perpendicular to the special-shaped workpiece, the driving piece is in threaded connection with the center screw and located above the supporting assembly, the driving piece rotates and moves in the axial direction of the center screw, and the claw assembly is arranged in the supporting assembly and hooks the special-shaped workpiece. Through rotation of the driving piece, counter-acting force for upward drawing is generated, and therefore the special-shaped workpiece is detached and separated from the fixed workpiece. The technical problem that in the prior art, a special-shaped workpiece is difficult to effectively disassemble by adopting a traditional puller is solved.
Owner:SHANXI JIANGHUAI HEAVY IND

Extruder

ActiveUS12390975B2ThermodynamicsScrew thread
An extruder configured to extrude a solid raw material containing moisture includes a barrel, a hopper coupled to one side of the barrel, a discharge port, a screw, vent disposed between the hopper and the discharge port to discharge vapor generated within the barrel; and a heater mounted on the barrel to heat the raw material. Raw material introduced into the barrel through the hopper is heated by the heater while being transferred within the barrel through the screw. A kneading zone, in which raw materials transferred by the screw threads are compressed, is formed on the screw. Since the raw material is melted within the barrel, a heating temperature of the heater and an axial rotation speed of the screw are controlled so that a sealing membrane that shields an inner transverse section of the barrel is formed from the liquid raw material in the kneading zone.
Owner:LG CHEM LTD

Conveying system

The invention relates to a delivery system for delivering a medical device into a body, the delivery system comprising a first handle and a second handle, the second handle being configured to have a limited adjustment mode of operation and a free adjustment mode of operation relative to the first handle; according to the limited adjustment working mode, the second handle rotates around the axial direction relative to the first handle, and the second handle moves in the axial direction relative to the first handle while rotating; the free adjustment working mode is that the axial rotation of the second handle relative to the first handle is limited, and the second handle can axially slide along the first handle; the conveying system further comprises a limiting reminding assembly, the limiting reminding assembly is used for limiting rotation of the second handle relative to the first handle after the limited adjustment working mode is finished, a user can be reminded in time between the limited adjustment working mode and the free adjustment working mode, and the user can conveniently switch the operation mode in time.
Owner:HANGZHOU WEIQIANG MEDICAL TECH CO LTD

Modular robot

The invention provides a modeling block robot which comprises a humanoid upper module, the humanoid upper module comprises an upper control system, a head mechanism, upper limb mechanisms, a waist mechanism, two upper arm mechanisms, forearm mechanisms and hand mechanisms, the head mechanism is arranged on the upper portion of the upper limb mechanism, the two upper arm mechanisms are arranged on the two sides of the upper limb mechanism, and the forearm mechanisms are arranged on the lower portion of the humanoid upper module. Forearm mechanisms are arranged at the lower ends of the upper arm mechanisms, the lower ends of the forearm mechanisms are connected with hand mechanisms, and a waist mechanism is arranged on the lower portions of the upper arm mechanisms; the upper arm mechanism can move in X, Y and Z directions relative to the upper limb mechanism; the small arm mechanism can move in the X-Z direction relative to the upper arm mechanism. The hand mechanism can move in the X-Z direction relative to the forearm mechanism; the upper part of the waist mechanism can axially rotate relative to the upper limb mechanism, and the middle or lower part of the waist mechanism can rotate back and forth; the waist mechanism is provided with a first connecting part connected with the lower module. The modular block robot is a modular robot-shaped upper module and can be combined with different devices to form a new robot.
Owner:GUANGDONG JATEN ROBOT & AUTOMATION

Main hand control device, puncture device and robot

The embodiment of the invention provides a master manipulator control device, a puncture device and a robot. The master manipulator control device comprises a puncture needle execution assembly, and the puncture needle execution assembly comprises a rod-shaped structure; the posture adjusting execution assembly is configured to obtain the posture of the rod-shaped structure; the rod-shaped structure can move in the axial direction of the rod-shaped structure and rotate around the axial direction of the rod-shaped structure The puncture device comprises a puncture needle driving assembly and a posture adjusting control assembly, the puncture needle driving assembly comprises a rotation driving mechanism and an advancing and retreating driving mechanism, and the rotation driving mechanism is used for being connected with a puncture needle; the rotation driving mechanism is configured to drive the puncture needle to rotate around the axial direction of the puncture needle relative to the posture adjusting control assembly, and the advancing and retreating driving mechanism is configured to drive the puncture needle to move along the axial direction of the puncture needle relative to the posture adjusting control assembly. The robot comprises a main hand control device and a puncture device, and a puncture needle driving assembly of the puncture device responds to a puncture execution signal of a puncture needle execution assembly of the main hand control device and drives a puncture needle to move.
Owner:WUHAN UNITED IMAGING HEALTHCARE SURGICAL TECH CO LTD

Downhole drill bit track closed-loop control tool

The invention discloses an underground drill bit track closed-loop control tool, and belongs to the field of drilling technologies and oil and gas exploitation. According to the tool, a closed-loop control framework integrating measurement, analysis and execution is adopted, and accurate regulation and control of the three-dimensional track of the drill bit are achieved through an electric control system. A high-precision electronic gyroscope is embedded in the end, close to the drill bit, of the tool, and drill bit track data are collected in real time and fed back to a ground control station; the front servo motor and the rear servo motor drive the bevel gear set and the rotary supporting mechanism respectively, and the transverse deflection angle and the azimuth angle of the drill bit are cooperatively controlled by combining linear motion and axial rotation of a push rod rack, so that dynamic adjustment of a three-dimensional track is achieved. A through type drilling fluid channel is formed in the tool, and drilling power supply and rock debris removal are ensured through a high-pressure hose and a built-in channel. The closed-loop control process comprises the steps of real-time data acquisition, deviation analysis, servo motor instruction generation and track correction circulation until the deviation between an actual track and a target track is smaller than a threshold value. In addition, the tool is integrated with a fault detection and redundancy control module, the motor, the sensor and the communication state are monitored in real time, a standby strategy or emergency shutdown is switched when abnormity occurs, and safety and reliability of the system are guaranteed. Through the electromechanical integration design, the precision, the efficiency and the automation level of underground drill bit track control are remarkably improved.
Owner:SOUTHWEST PETROLEUM UNIV