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30results about How to "Realize pitching motion" patented technology
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Three-degree-of-freedom turning frame system applied to dynamic flight simulator of helicopter
ActiveCN108766101ARealize pitching motionRealize three degrees of freedom rotationCosmonautic condition simulationsSimulatorsRound tableThree degrees of freedom
The invention discloses a three-degree-of-freedom turning frame system applied to a dynamic flight simulator of a helicopter. A rolling and turning frame is connected with a manned cabin in a rotatable manner to realize pitching motion of the manned cabin; a yawing frame is connected with the rolling and turning frame in a rotatable manner to realize rolling and turning motion of the manned cabin;the yawing frame is connected with the tail end of a turning arm of a centrifugal machine through a bearing to realize yawing motion of the manned cabin, so that the manned cabin rotates in three degrees of freedom in a centrifugal field; the rolling and turning frame and the manned cabin as well as the rolling and turning frame and the yawing frame are respectively connected through expansion sleeves; furthermore, a power system is mounted on a shaft sleeve; the shaft sleeve is mounted in a shaft hole. The structural cooperation is relatively easy to mount and dismount; due to the design ofa round table structure on a pin shaft and a conical surface in the shaft hole, the pin shaft can be automatically guided and located during mounting, and the cooperation precision is high.
Owner:GENERAL ENG RES INST CHINA ACAD OF ENG PHYSICS
Improved pneumatic vectoring nozzle structure with function of injecting double secondary flow branches
InactiveCN103899432AIncreased throat areaLarge circulation capacityJet propulsion plantsAir entrainmentHigh pressure
The invention provides a pneumatic vectoring nozzle structure with a function of injecting double secondary flow branches. The pneumatic vectoring nozzle structure is characterized in that a pneumatic vectoring nozzle with the function of injecting the double secondary flow branches structurally comprises a secondary flow injection system I, a secondary flow injection system II and a closing and converging nozzle; the secondary flow injection system I comprises an air entrainment pipeline and a valve; the secondary flow injection system II comprises another air entrainment pipeline and another valve. The pneumatic vectoring nozzle structure has the advantage that shortcomings of decrease of flow of an engine and reduction of thrust due to the fact that air is entrained from a high-pressure component of the engine can be overcome.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Perpendicular planar motion mechanism for hydrodynamic model test
ActiveCN108398238ACompact structureReasonable structureHydrodynamic testingTest efficiencyAngular velocity
The invention relates to a perpendicular planar motion mechanism for a hydrodynamic model test. The perpendicular planar motion mechanism comprises a rail, a moving platform is installed at the upperportion of the moving platform, wheels sliding along the rail are installed at the bottom of the moving platform, a heaving movement mechanism is fixedly installed on the movable platform, a pitchingmovement mechanism is installed at the front end of the heaving movement mechanism, and a front supporting rod and a back supporting rod are parallelly installed on the pitching movement mechanism atintervals; the perpendicular planar motion mechanism also comprises an underwater vehicle model, and a transverse rolling movement mechanism is installed in the underwater vehicle model, and is connected with the front supporting rod and the back supporting rod. The perpendicular planar motion mechanism is compact and reasonable in structure and convenient to operate; through the matching effect between the heaving movement mechanism, the pitching movement mechanism and the transverse rolling movement mechanism, measurement of a velocity coefficient, an angular velocity coefficient and an accelerated velocity coefficient can be conveniently achieved, test efficiency is improved, the perpendicular planar motion mechanism has the advantages of being comprehensive, economical and the like, and operation is convenient.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
Silicon chip kit platform having pitching function
ActiveCN101383315AWon't slip and breakAdjust pitch angleSemiconductor/solid-state device manufacturingSilicon chipElectrical and Electronics engineering
The invention relates to a silicon chip box platform with pitching function, which comprises two positioning shafts, a protecting plate frame is connected to the two positioning shafts, the protecting plate frame is connected with the front end of the bottom of a turning plate by a rotating shaft mechanism, a fixing plate is connected to the two positioning shafts which are arranged in the protecting plate frame, a crank connecting rod mechanism which is connected with a driving device is connected to the fixing plate, the output end of the crank connecting rod mechanism is connected with the rear end of the bottom of the turning plate through a rotating block, and the top of the turning plate is connected with a silicon chip box. When a crank of the crank connecting rod mechanism swings in a reciprocating and intermittent mode at the range of 0 to 180 degrees, the silicon chip box is connected with the crank to swing in a pitching mode. The crank connecting rod mechanism is used as a core mechanism of the invention and the rotating shaft mechanism has simple and reasonable structure, not only can realize automatic pitching, but also can realize stable pitching, and the invention solves the problems in the prior art.
Owner:陈百捷 +1
Spherical motor for active side lever system of airplane
ActiveCN107181339AEasy to fit and assembleAchieving a symmetrical installationMagnetic circuit rotating partsWindings conductor shape/form/constructionJet aeroplaneBall bearing
The invention discloses a spherical motor for an active side lever system of an airplane, and the spherical motor is connected with the left and right sides of a conventional airplane operating panel (10A), thereby forming a double-sphere motor operating system. The spherical motor comprises an A semi-sphere stator (1), a B semi-sphere stator (2), a rotor (3), an output rod (4), a pedestal (5), an armature winding assembly (6), a magnetic block assembly (7), and a universal ball bearing assembly (8). The A semi-sphere stator (1) and the B semi-sphere stator (2) are connected in a manner of butt joint to form a hollow sphere, and the rotor (3) is disposed in the hollow sphere. The output rod (4) is installed at the upper part of the rotor (3), and the A semi-sphere stator (1) and the B semi-sphere stator (2) are installed on the pedestal (5). The armature winding assembly (6) and the universal ball bearing assembly (8) are installed on the A semi-sphere stator (1) and the B semi-sphere stator (2). The magnetic block assembly (7) is installed in a gap of the rotor (3). The double-sphere motor operating system achieves the force feedback of a steering plane load and the synchronization of two output rods, and reduces the misoperation, caused by the shortage of experience of one side, of the airplane.
Owner:BEIHANG UNIV
Binocular vision experimental cloud deck with freely adjustable baseline position
PendingCN108282649AFree adjustment of baseline positionSimple structureSteroscopic systemsMotor driveComputer science
The invention discloses a binocular vision experimental cloud deck with a freely adjustable baseline position. A vision device with laser calibration is arranged on a left side of the binocular visionexperimental cloud deck, and a vision device with a bullseye is arranged on a right side of the binocular vision experimental cloud deck; the vision device with laser calibration comprises a first lens and a first camera, the first lens and the first camera are fixed by first supporting rods on a first pitching device, the first pitching device realizes the pitching motion of the first lens by the rotation of a first worm gear device, and a first stepping motor drives the worm in the first worm gear device to rotate; the visual device with the bullseye comprises a second lens and a second camera, the second lens and the second camera are fixed by second supporting rods on a second pitching device, the second pitching device realizes the pitching motion of the second lens through a secondworm gear device, and a third stepping motor drives the worm in the second worm gear device to rotate. The binocular vision experimental cloud deck disclosed by the invention has the freely adjustableposition, a simple structure and convenience for carrying, and is suitable for binocular vision experiments of large buildings in the field.
Owner:TIANJIN UNIV OF COMMERCE
Integrated underwater steering engine device
ActiveCN107933870AMeet the requirements of deep workAchieve steeringSteering ruddersMarine engineeringReducer
The invention discloses an integrated underwater steering engine device. The device comprises a steering engine base and three same steering engines; an oil filling pressure compensation mechanism isarranged in the steering engine base, and two same watertight connectors used for steering engine power supply and signal detection are installed at one end of the steering engine base; and each of the three steering engines is installed on the steering engine base through four screws, and the three steering engines are arranged in a Y shape. The three steering engines are integrated and share thesame oil filling pressure compensation mechanism, each steering engine is internally provided with a motor, a harmonic reducer and a rotary transformer, the device has the beneficial effects of beingsmall in size, high in accuracy, large in depth and the like and is particularly suitable for being installed on a miniature autonomous underwater robot, and steering motion and pitching motion of the autonomous underwater robot are achieved.
Owner:常熟海量声学设备科技有限公司
Control cabin modified gear and engineering machine
InactiveCN102431902ARealize pitching motionPitch angle adjustmentLoad-engaging elementsVertical planeMechanical engineering
The invention discloses a control cabin modified gear of an engineering machine. The control cabin modified gear comprises a control cabin body (1), a rotary rack (4) which is in revolving connection with a rotary table of the engineering machine, a telescopic component (3), a first rod (2) and a limiting mechanism, wherein the telescopic component (3) is used for supporting the control cabin body (1) and driving the control cabin body (1) to move up and down; the two ends of the first rod (2) are hinged between the rotary rack (4) and the control cabin body (1); the limiting mechanism is arranged at a preset position and is used for limiting the rotation of the first rod (2); and under the action of the telescopic component (3), the control cabin body (1) rotates around the hinge point of the control cabin body (1) and the first rod (2) in a vertical plane. The control cabin modified gear disclosed by the invention is simple in structure and is favorable for lightening the weight of a complete machine; and two operations, namely pitching and fluctuating, are completed by only one telescopic component, thus the arrangement of a hydraulic system and an electrical system of the engineering machine can be favorably simplified, and simultaneously, the use cost of the engineering machine can be lowered. The invention also provides the engineering machine comprising the control cabin modified gear.
Owner:SANY AUTOMOBILE HOISTING MACHINERY
Fixing fixture for processing K-wire
PendingCN109531361ARealize pitching motionImprove efficiencyEdge grinding machinesGrinding work supportsEngineeringPitch movement
A K-wire needs to process a crumb dividing slot to remove bone crumbs, which helps to lower the temperature. At present, most of clamps holding the K-wire cannot process the crumb dividing slot, and in response to the main problem, the fixing fixture for processing the K-wire mainly comprises an indexing plate, a rocker, a rotary indexer, a nut support seat, a nut, a spring collet, a left adjustment screw, a right adjustment screw, a pitch dial, a left bracket, a right bracket, a pitch bottom plate and a bottom plate; a horizontal rotary table mainly includes a base, a dial, a motor and a motor nut; according to the working principle of the fixing fixture for processing the K-wire, the horizontal rotation of the K-wire is controlled by the horizontal rotary table, and the vertical pitch movement and the rotation around the axis of the K-wire are controlled by the tiltable rotary table in order to achieve the purpose of grinding a bevel at the end of the K-wire and processing the various shapes of the crumb dividing slots at the tip.
Owner:HARBIN UNIV OF SCI & TECH
Silicon chip kit platform having pitching function
ActiveCN101383315BWon't slip and breakAdjust pitch angleSemiconductor/solid-state device manufacturingSilicon chipElectrical and Electronics engineering
The invention relates to a silicon chip box platform with pitching function, which comprises two positioning shafts, a protecting plate frame is connected to the two positioning shafts, the protecting plate frame is connected with the front end of the bottom of a turning plate by a rotating shaft mechanism, a fixing plate is connected to the two positioning shafts which are arranged in the protecting plate frame, a crank connecting rod mechanism which is connected with a driving device is connected to the fixing plate, the output end of the crank connecting rod mechanism is connected with the rear end of the bottom of the turning plate through a rotating block, and the top of the turning plate is connected with a silicon chip box. When a crank of the crank connecting rod mechanism swings in a reciprocating and intermittent mode at the range of 0 to 180 degrees, the silicon chip box is connected with the crank to swing in a pitching mode. The crank connecting rod mechanism which is taken as a core mechanism of the invention and the rotating shaft mechanism have simple and reasonable structures, not only can realize automatic pitching, but also can realize stable pitching, thereby solving the problems in the prior art.
Owner:陈百捷 +1
Parallel type vector propulsion device with two degrees of freedom
InactiveCN107244403AAchieve steeringRealize pitching motionPropulsive elementsPropellerSystem stability
The invention discloses a parallel type vector propulsion device with two degrees of freedom, and relates to the technical field of underwater propulsion devices. The parallel type vector propulsion device is provided with a mounting seat and a driving seat, and is characterized in that three support arms are circularly arrayed on the mounting seat, two of the three support arms are longitudinally movably arranged on the mounting seat via guide devices, the other support arm is fixedly mounted on the mounting seat, support arm driving devices for driving the support arms to move are arranged on the mounting seat, adjusting arms are connected to the upper ends of the three support arms by rotation pairs, the upper ends of the adjusting arms are connected with the driving seat by spherical hinges, and a propeller and a propeller driving device are arranged on the driving seat. The parallel type vector propulsion device has the advantages of simple and compact structure, simplicity in control, rapid response, high control precision and system stability, low water resistance and the like.
Owner:HARBIN INST OF TECH AT WEIHAI
Long-endurance amphibious unmanned aerial vehicle and attitude control method thereof
PendingCN114578850ARealize pitching motionAchieve yaw momentPosition/course control in three dimensionsUnderwaterUncrewed vehicle
The invention discloses a long-endurance amphibious unmanned aerial vehicle and an attitude control method thereof, and the long-endurance amphibious unmanned aerial vehicle can glide underwater for a long time and take off and land on the water surface and has huge potential in the aspects of ocean rescue, survey and reconnaissance and the like. According to the unmanned aerial vehicle, the layout design of a single hull and a single wing on a cantilever is adopted, an elevator and a rudder are omitted, the yaw attitude of the unmanned aerial vehicle is controlled through the differential speed of motors, the pitch attitude is controlled through the offset of the gravity center, and the attitude control stability of the unmanned aerial vehicle is ensured. The unmanned aerial vehicle has a submerging working mode and a flying working mode, in the submerging working mode, the unmanned aerial vehicle is driven in a net buoyancy mode, unpowered gliding is carried out underwater, the power loss is small, and the standby time is long. The unmanned aerial vehicle completes switching of working modes on the water surface, mode switching is efficient and stable, and the unmanned aerial vehicle has important innovative significance on underwater biological monitoring, resource exploration and sea area safety maintenance.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Crawler-type conveying device for field power equipment
PendingCN111619682AGood mobility off-road transport performanceEasy to moveEndless track vehiclesArmsVehicle frameElectric power equipment
The invention relates to a crawler-type conveying device for field power equipment. The device comprises a vehicle body unit, a rotary driving assembly, a bottom plate, a first supporting assembly, asecond supporting assembly, a supporting frame and a gripper assembly. The vehicle body unit comprises a vehicle frame, a storage battery, a vehicle body installation frame, a vehicle body solar paneland walking assemblies. The frame is an internal truss structure, the walking assemblies are arranged at the two sides of the frame, the rotary driving assembly is mounted on the frame through a turntable bearing; the bottom plate is installed on the turntable bearing, the first supporting assembly and the second supporting assembly are arranged at the first end and the second end of the bottom plate respectively, the first supporting assembly and the second supporting assembly are rotationally connected with the first end and the middle portion of the supporting frame respectively, and the gripper assembly is arranged at the second end of the supporting frame. By the adoption of the crawler-type design, the conveying device has good maneuvering cross-country transportation performance inthe field, is convenient to move and carry at any time, moves flexibly and stably, and has the advantages of being simple in structure, high in operability and the like.
Owner:STATE GRID JIBEI ENERGY SAVING SERVICE +1
A Ball Motor Used in Aircraft Active Side Stick System
ActiveCN107181339BEasy to fit and assembleAchieving a symmetrical installationMagnetic circuit rotating partsWindings conductor shape/form/constructionJet aeroplaneBall bearing
Owner:BEIHANG UNIV
Handheld Laparoscopic Instruments
The invention relates to a hand-held laparoscopic instrument, which comprises an instrument body, a connection bracket, a base, an end execution mechanism, a handle mechanism, a first transmission mechanism and a second transmission mechanism, to achieve horizontal movement, the handle mechanism is subjected to horizontal swinging, the base is rotated by taking the axis of a second rotating shaft as center to drive a transmission member to move, and the transmission member drives the end actuating mechanism to rotate by taking the axis of a first rotating shaft to realize the horizontal motion of the end actuating mechanism. To achieve the pitching, the handle mechanism is rotated together by taking an outer shaft of the handle as the axis, and the handle mechanism pulls a transmission line, and the drive line is fixed to the end execution mechanism by winding the end execution mechanism, and the drive line transmits the pulling force of the handle mechanism to the end execution mechanism for driving the end execution mechanism to perform the pitching motion. Therefore, the above-mentioned hand-held laparoscopic instrument can realize horizontal motion and pitching motion, improves the degree of freedom, improves flexibility and fluency, and can satisfy the fast and accurate pointing of the laparoscopic instrument.
Owner:SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV
Joint movement mechanism and robot
ActiveCN112809730ACompact structureRaise the center of massProgramme-controlled manipulatorJointsStructural engineeringMechanical engineering
The invention provides a joint movement mechanism and a robot. The joint movement mechanism comprises an execution piece, a fixing frame rotationally connected to the execution piece and two transmission mechanisms. In the first direction, the two transmission mechanisms are correspondingly arranged on the two opposite sides of the fixing frame, in the second direction, the two transmission mechanisms are correspondingly arranged on the same side of the fixing frame, the two transmission mechanisms comprise driving assemblies, lead screw assemblies and connecting rod structures, one ends of the connecting rod structures are rotationally connected to the moving ends of the lead screw assemblies, and the other ends are rotationally connected to the execution piece. According to the joint movement mechanism and the robot, the execution piece is driven to pitch and roll through the lead screw assemblies and the connecting rod structures, the positions of the driving assemblies are far away from the execution piece, when the joint movement mechanism is applied to the robot, the positions of the driving assemblies are high, and the mass center of the robot can be increased. In the length direction of the lead screw assemblies, the lead screw structures and the connecting rod structures partially coincide, too large length space is not occupied, and the structure is more compact.
Owner:UBTECH ROBOTICS CORP LTD
Movement mechanism of minimally invasive surgery medical device and minimally invasive surgery medical device
The invention discloses a movement mechanism of a minimally invasive surgery medical device and the minimally invasive surgery medical device. The movement mechanism comprises a plurality of joints and every two adjacent joints are hinged through a hinged shaft; a damping torsional spring is arranged between every two adjacent joints; the damping torsion springs sleeve the hinged shaft; each hinged shaft is sleeved with two damping torsional springs; mounting directions of the two damping torsion springs are opposite; every two adjacent joints are connected with the damping torsion springs in a press fit manner; in two opposite end faces of the two adjacent joints, one end face is provided with two outer side hinge lugs, and the other end face is provided with two inner side hinge lugs; and the two damping torsion springs on the same hinged shaft are respectively arranged between two pairs of the adjacent outer side hinge lugs and inner side hinge lugs. A problem that the joints are disjointed in an operation process is not prone to occurring, movement instability between every two adjacent joints can be effectively prevented, and safety of operation is greatly improved.
Owner:潘明章
A split adjustment frame for optical lens
ActiveCN107741622BSolve the lack of installation spaceCompact structureMountingsMechanical engineeringLaser
The invention discloses a split adjustment frame for an optical lens, which belongs to the technical field of the platform frame of the seeker optical cabin, and includes: a first frame, a second frame, an upper shaft, a first bearing, a second bearing, an upper Bearing seat and lower bearing seat; the first frame is a U-shaped frame; the second frame is an arc-shaped frame, and its two ends are provided with connecting blocks docked with the first frame; the co-caliber optical lens is installed on the first frame Inside, and the axis of the co-aperture optical lens is perpendicular to the axis of the through hole on the bottom surface of the first frame. The bearing and the upper bearing seat are installed on the first frame; the second frame is coaxially installed at the opening of the U-shaped first frame, and the connecting blocks of the second frame are respectively connected with the sides of the first frame to form a rectangular frame; the frame It can solve the problem of insufficient installation space of the infrared imaging / semi-active laser co-aperture optical lens.
Owner:HEBEI HANGUANG HEAVY IND
Joint motion mechanism and robot
ActiveCN112809730BCompact structureRaise the center of massProgramme-controlled manipulatorJointsActuatorControl theory
The invention provides an articulation mechanism and a robot. The articulation mechanism includes an actuator, a fixed frame rotatably connected to the actuator, and two transmission mechanisms. In the first direction, the two transmission mechanisms are respectively arranged on On the opposite sides, in the second direction, two transmission mechanisms are arranged on the same side of the fixed frame. The transmission mechanism includes a drive assembly, a screw assembly and a connecting rod structure. One end of the connecting rod structure is rotatably connected to the moving end of the screw assembly. , the other end is rotatably connected to the actuator. The joint motion mechanism and the robot provided by the present invention drive the actuator to pitch and roll through the screw assembly and the connecting rod structure, and the position of the drive assembly is relatively far from the actuator. When applied to a robot, the position of the drive assembly is relatively high, which can improve The center of mass of the robot. In the length direction of the screw rod assembly, the screw rod structure partially overlaps with the connecting rod structure, which does not occupy too much length space and makes the structure more compact.
Owner:UBTECH ROBOTICS CORP LTD
Separated adjusting framework for optical lens
The invention discloses a separated adjusting framework for an optical lens, and belongs to the technical field of platform frameworks of optical cabins of seekers. The framework includes a first framework, a second framework, an upper shaft, a first bearing, a second bearing, an upper bearing base and a lower bearing base; the first framework is a U-shaped framework; the second framework is an arc-shaped framework, and the two ends of the second framework are provided with connecting blocks butted with the first framework; the shared-aperture optical lens is installed in the first framework,and the axis of the shared-aperture optical lens is perpendicular to the axis of a through hole in the bottom surface of the first framework, the upper shaft penetrates through the through hole in thebottom surface of the first framework and then is installed at the connection port in the lateral surface of the share-aperture optical lens, and the upper shaft is installed on the first framework through the first bearing and the upper bearing base; the second framework is coaxially installed on an opening of the U-shaped first framework, and the connecting blocks of the second framework are butted with the lateral surfaces of the first framework respectively and then form a rectangular framework; the framework can solve the problem that the installation space for an infrared imaging / semi-active laser shared-aperture optical lens is insufficient.
Owner:HEBEI HANGUANG HEAVY IND
Full-sea-depth magnetic coupling transmission motor and full-sea-depth two-dimensional holder
PendingCN110912334AAchieve zero leakageExtended working hoursStands/trestlesPermanent-magnet clutches/brakesCouplingClassical mechanics
The invention discloses a full-sea-depth magnetic coupling transmission motor and a full-sea-depth two-dimensional holder, wherein the motor comprises an outer magnetic rotor, an outer magnetic rotormounting shell, an inner magnetic rotor, an inner magnetic rotor mounting shaft, a pan-tilt motor, an isolation sleeve, a middle cylinder, a rear end cover and a watertight connector, the outer magnetic rotor is fixedly connected with the outer magnetic rotor mounting shell, and the outer magnetic rotor mounting shell is mounted on the outer side of the isolation sleeve through a bearing; the isolation sleeve, the middle cylinder, the rear end cover and the watertight connector form a closed cabin body, the pan-tilt motor is located in the closed cabin body, and the pan-tilt motor is installedon the middle cylinder body; the inner magnetic rotor is mounted on an inner magnetic rotor mounting shaft, the inner magnetic rotor mounting shaft is fixedly connected to a motor shaft of the pan-tilt motor, and the inner magnetic rotor mounting shaft extends into a bearing in a cavity in the inner side of the isolation sleeve; the pan-tilt motor drives the inner magnetic rotor to rotate, so that the outer magnetic rotor and the outer magnetic rotor mounting shell are driven to rotate through coupling. The invention has the advantages of long working time, low power consumption, low noise, low cost, light weight and high response speed.
Owner:QINGDAO NAT LAB FOR MARINE SCI & TECH DEV CENT +1
Control cabin modified gear and engineering machine
InactiveCN102431902BRealize pitching motionPitch angle adjustmentLoad-engaging elementsVertical planeEngineering
Owner:SANY AUTOMOBILE HOISTING MACHINERY
Underwater impact-resistant holder
PendingCN114484203AAchieve rotationRealize pitching motionStands/trestlesCamera body detailsClassical mechanicsStructural engineering
An offset rotating device is arranged at the top of the base, mounting plates are symmetrically arranged above the offset rotating device, a pitching base is mounted between the mounting plates, the camera is mounted in the pitching base, and rib plates are arranged on the outer sides of the mounting plates. Wherein the rib plate on one side is provided with an offset driving mechanism which is matched with the offset rotating device to complete work, the rib plate on the other side is provided with a pitching driving mechanism which is matched with the pitching base to complete work, and the base is connected with a fixed surface of test equipment through a connecting device. Pitching guide grooves are symmetrically formed in the top of the offset rotating device, and the pitching guide grooves are in sliding connection with the bottom of the pitching base through pitching balls. The underwater impact-resistant cradle head is resistant to pressure and good in sealing performance, high impact resistance is achieved in the high-pressure water environment, rotation and pitching movement of the cradle head can be achieved, and the illumination and camera shooting field angle can be adjusted.
Owner:750 TEST SITE OF CHINA SHIPBUILDING IND CORP
A control method for the pitching motion of a radar three-axis stabilized turntable
ActiveCN112014834BReduce weightRealize pitching motionControl using feedbackRadio wave reradiation/reflectionRadar antennasElevation angle
The invention relates to a method for controlling the pitching motion of a radar three-axis stable turntable. According to the given azimuth angle of the position where the radar antenna needs to move in pitch, calculate the bank angle of the position where the radar antenna needs to move in pitch. Project on the motion plane of the roll frame to obtain the motion change angle of the pitch frame (pitch projection value) and the motion change angle of the roll frame (roll projection value), and then send the current ship pitch angle with the ship compass equipment Mathematically calculate the pitch and roll angles respectively, and obtain the input values of the pitch frame control loop and the roll frame control loop of the stabilized turntable, and input them to the respective control loops for closed-loop control, so as to realize the radar antenna in the case of ship swaying. Pitch motion for a given elevation angle in a fixed azimuth.
Owner:THE 724TH RES INST OF CHINA SHIPBUILDING IND
A two-degree-of-freedom controllable robot module connection mechanism
The invention relates to a robot connecting joint, in particular to a two-degree-of-freedom controllable robot module connecting mechanism, and aims at solving the problem that existing robot joints are complex in structure, not sensitive and accurate enough in control and low in reliability. A joint cross shaft is provided with a horizontal shaft and a vertical shaft, two ends of the horizontal shaft are supported in first bearing seats which are fixedly mounted on a left-side frame, a pitching small gear is meshed with a pitching big gear, the pitching small gear and the pitching big gear are mounted on a first gear shaft, a first motor gear is meshed with a first pitching straight gear, one end of the vertical shaft is supported in a second bearing seat while the other end of the same penetrates a yawing big gear to be supported in another second bearing seat, the two second bearing seats are fixedly mounted on a right-side frame, a yawing small gear is meshed with the yawing big gear, both the yawing small gear and a second pitching straight gear are mounted on a pitching second gear shaft, and a second motor gear is meshed with the first pitching straight gear. The two-degree-of-freedom controllable robot module connecting mechanism is used on a robot.
Owner:洛阳尚奇机器人科技有限公司
A Vertical Plane Motion Mechanism Used in Hydrodynamic Model Test
ActiveCN108398238BCompact structureReasonable structureHydrodynamic testingTest efficiencyVertical plane
The invention relates to a perpendicular planar motion mechanism for a hydrodynamic model test. The perpendicular planar motion mechanism comprises a rail, a moving platform is installed at the upperportion of the moving platform, wheels sliding along the rail are installed at the bottom of the moving platform, a heaving movement mechanism is fixedly installed on the movable platform, a pitchingmovement mechanism is installed at the front end of the heaving movement mechanism, and a front supporting rod and a back supporting rod are parallelly installed on the pitching movement mechanism atintervals; the perpendicular planar motion mechanism also comprises an underwater vehicle model, and a transverse rolling movement mechanism is installed in the underwater vehicle model, and is connected with the front supporting rod and the back supporting rod. The perpendicular planar motion mechanism is compact and reasonable in structure and convenient to operate; through the matching effect between the heaving movement mechanism, the pitching movement mechanism and the transverse rolling movement mechanism, measurement of a velocity coefficient, an angular velocity coefficient and an accelerated velocity coefficient can be conveniently achieved, test efficiency is improved, the perpendicular planar motion mechanism has the advantages of being comprehensive, economical and the like, and operation is convenient.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
One-way cable driven pitching motion type large radio telescope
PendingCN112615132ARealize pitching motionReduce weightAntenna supports/mountingsAccessory structureClassical mechanics
The invention discloses a one-way cable driven pitching motion type large radio telescope, which belongs to the technical field of antennas. The radio telescope comprises a reflector, a seat frame for bearing the reflector, a cable driving device and other main parts, and further comprises a cable stabilizing mechanism, a precision control mechanism, a pitching limiting device and other accessory structures. Compared with a traditional structure, the radio telescope achieves large-range pitching motion of the reflector in a one-way cable driving mode, and therefore the height and the weight of the whole structure are effectively reduced. The radio telescope has the characteristics of compact structure, high reliability, low cost, convenience in maintenance and the like.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
A two-degree-of-freedom parallel lifting mechanism for a three-dimensional garage
ActiveCN109235965BLower your heightImprove carrying capacityParkingsHydraulic cylinderDegrees of freedom
Owner:HARBIN UNIV OF SCI & TECH
Robot neck movement mechanism and robot
PendingCN114833867ARealize pitching motionPitch Motion GuaranteeProgramme-controlled manipulatorEngineeringMechanical engineering
The invention discloses a robot neck movement mechanism and a robot, and the robot neck movement mechanism comprises a fixing frame in which a mounting cavity is defined; one part of the first driving assembly is arranged in the mounting cavity; the movable assembly is arranged on the fixing frame, and the output end of the first driving assembly is connected with the movable assembly; the first limiting piece is arranged on the fixing frame; the connecting assembly is arranged on one side of the fixing frame; the connecting assembly extends towards the fixing plate; the second driving assembly is arranged on the fixing plate, and the second driving assembly drives one part of the connecting assembly to rotate in the horizontal direction; and the second limiting piece is arranged on the connecting assembly. The robot neck movement mechanism can move in multiple directions, the movement freedom degree is high, the overall space proportion is small, the structure is simple, and the robot neck movement mechanism is suitable for large-area application and popularization.
Owner:广州高新兴机器人有限公司
Large antenna capable of realizing overhead tracking function
PendingCN113571904ARealize overhead tracking functionAdded tilting motionAntenna supports/mountingsHydraulic cylinderPiston rod
The invention discloses a large antenna capable of realizing an overhead tracking function, and belongs to the technical field of antennas. The antenna comprises a seat frame, a reflector and an inclination structure, wherein a pitch shaft is arranged at the bottom of the reflector, and the inclination structure is arranged at the top of the seat frame; the upper platform of the inclination structure is provided with a pitch shaft seat used for being matched with the pitch shaft; each inclination group comprises a lifting device; the lifting devices are uniformly arranged at the top of an azimuth chassis; the lifting device comprises two sets of hydraulic servo structures which are backup for each other; and the hydraulic cylinders of the two sets of hydraulic servo structures, which are mutually backed up, are tightly attached and arranged side by side. The inclination group further comprises an upper platform and a lower platform; and the upper platform is located on the piston rod top of the hydraulic cylinder, and the lower platform is located at the bottom of a cylinder barrel of the hydraulic cylinder. The antenna can realize an overhead tracking function, and has the advantages of compact structure and high reliability.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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