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69results about How to "Good motion stability" patented technology

Binocular vision-based citrus picking robot and implementation method thereof

ActiveCN108834576AOvercome steep terrain obstaclesOvercome terrain obstaclesPicking devicesTerrainThree degrees of freedom
The invention discloses a binocular vision-based citrus picking robot and an implementation method thereof. The robot comprises a three-degree-of-freedom moving mechanism, an end execution mechanism,a binocular ranging vision identification mechanism, an ultrasonic ranging mechanism, a base supporting mechanism and an embedded type main control end, wherein the three-degree-of-freedom moving mechanism is overall located on the base supporting mechanism; a synchronous belt linear module sliding table is vertically fixed above a moving mechanism; a screw rod guide rail sliding table is connected with the synchronous belt linear module sliding table through a lifting telescopic mechanism connecting piece and forms an inclination angle of 15 to 30 degrees together with the synchronous belt linear module sliding table; the end execution mechanism is fixed at the tail end of the screw rod guide rail sliding table. The binocular vision-based citrus picking robot is simple in structure and convenient to control; by the adoption of a guide rail walking type structure, the robot is high in motion steadiness, can overcome the physiographic barrier of a steep terrain of an orchard and relievethe working intensity of manual picking, and is high in citrus picking precision.
Owner:SOUTH CHINA AGRI UNIV

Servo brake cylinder used for distributed composite brake system, distributed composite brake system adopting servo brake cylinder and brake method of distributed composite brake system adopting servo brake cylinder

The invention discloses a servo brake cylinder used for a distributed composite brake system, the distributed composite brake system adopting the servo brake cylinder and a brake method of the distributed composite brake system adopting the servo brake cylinder. The servo brake cylinder comprises a shell body, an electromotor, a coupler, a ball screw assembly composed of a nut and a lead screw, abearing, a retainer ring, a piston, a cylinder body and a return spring, wherein an inner hole is formed in the center of the piston, the inner hole comprises a tapered first conical surface, a cylindrical surface and a gradually-expanded second conical surface, the left end of the lead screw extends in the axial direction to sequentially form a tapered third conical surface, a cylindrical surfaceand a gradually-expanded fourth conical surface, the first conical surface cooperates with the fourth conical surface to form an output valve, and the second conical surface cooperates with the thirdconical surface cooperate to form an input valve. According to the servo brake cylinder used for the distributed composite brake system, the distributed composite brake system adopting the servo brake cylinder and the brake method of the distributed composite brake system adopting the servo brake cylinder, the advantages of being compact in structure, flexible in control, high in braking response, high in braking pressure control precision, reliable in failure protection capability, low in manufacturing cost and the like are achieved, so that an intelligent driving automobile is good in motion stability and high in reliability during braking.
Owner:南京经纬达汽车科技有限公司

Cable-stayed bridge cable detection robot system

InactiveCN104612045ASolve obstacle abilitySolve the contradiction between the smoothness of motionBridge structural detailsRobotic systemsCable stayed
The invention discloses a cable-stayed bridge cable detection robot system which comprises a machine frame. Multiple power climbing mechanisms are arranged on the machine frame and are distributed in the peripheral direction, each power climbing mechanism comprises a power mechanism and two climbing mechanism bodies, the two climbing mechanism bodies are vertically arranged and are connected through a synchronous drive mechanism, each climbing mechanism body comprises rolling wheels capable of rolling on cables, the rolling wheels of one climbing mechanism body are driven to rotate by the corresponding power mechanism, and the synchronous drive mechanism can drive all rolling wheels of the two vertically-arranged climbing mechanism bodies to synchronously rotate. The machine frame comprises multiple sub supporting frames, each power climbing mechanism is installed on the corresponding sub supporting frame, every two adjacent sub supporting frames are connected through a connecting device, and the distance between every two adjacent sub supporting frames can be adjusted through the corresponding connecting device. The cable-stayed bridge cable detection robot system has very high adapbility and can work on the cables different in diameter, the sub supporting frames are connected by using the connecting devices, and overall size adjustment of the robot system is facilitated.
Owner:HUAZHONG UNIV OF SCI & TECH

Robot vehicle body suspension system

The invention is a robot vehicle body suspension system, relating to the movable robot mechanism design field. The robot vehicle body suspension system which consists of a drive component, a frame base board component and a vibration damper plate component adopts a layering, two stage shock absorption mechanism; the first layer of the shock absorption mechanism is provided with a left electric motor, a right electric motor, a left driving wheel and a right driving wheel; the second layer is provided with a front and a back follow up pulleys; the first layer is in elastic connection with the second layer by a compression spring set; the front and the back follow up pulleys connected with each other by a tension spring are capable of wholly rotating around a front and a back rotation axis pair; the left and right driving wheel are respectively driven by separate electric motors; the sleeve bolt set under the springs of the frame base board component are all divided into four groups and each group has 4 bolts; the sleeve bolt set above the springs of the vibration damper plate component are all divided into four groups and each group has 4 bolts. Thereby the invention has the advantages of having perfect shock absorbing capability of the vehicle body and prolonging service life of elements and components, along with a simple structure and reliability.
Owner:DALIAN UNIV OF TECH

Intelligent swing gate system

The invention provides an intelligent swing gate system. The intelligent swing gate system comprises a control circuit and a gate machine with two gates, and further comprises two actuators and two motors. The gate machine is further provided with an information collection unit, and the information collection unit and the actuators are electrically connected with the control circuit; each actuator is electrically connected with one gate through one motor. The information collection unit obtains identity information of a user; the control circuit sends a gate opening or closing action instruction to each actuator according to the identity information; based on the sine and cosine acceleration and deceleration algorithm and a planned gate action curve, each actuator generates rotation information of the corresponding motor, and sends the rotation information to the corresponding motor; according to the rotation information, each motor drives the corresponding gate to be opened to a target position. The intelligent swing gate system is good in motion stability, synchronization of an opening position and a closing position can be ensured, the sine and cosine acceleration and deceleration algorithm is adopted, gate is opened or closed in place and accurately, the phenomena of overswinging, shaking and impacting does not occur, and the reliability and the user experience are improved.
Owner:深圳市嘉昱机电有限公司

Hydraulic intermittent motion mechanism

The invention discloses a hydraulic intermittent motion mechanism, wherein, a rotating platform (1) is provided with a plurality of taper pin holes; the rotating platform (1) is tightly connected with a rotating column (2) and then arranged on a frame (8); the rotating platform (1) and the rotating column (2) moves relative to the frame (8); a pin hydraulic cylinder (7) is fixed on a swinging rod (3); the other end of the swinging rod (3) is hinged with a connecting rod (4); the swinging rod (3) and the frame (8) form a prismatic pair to ensure the rigidity of the swinging rod under the action of the pin hydraulic cylinder; the other end of the connecting rod (4) is hinged with a sliding block (6); the sliding block (6) is arranged on the frame (8) and slides on the frame, and the sliding block (6) is fixedly connected with a piston rod of an active hydraulic cylinder (5); and the active hydraulic cylinder (5) is fixedly connected with the frame (8). In the invention, the sliding block and the swinging rod are organically combined with hydraulic transmission so as to realize connection and disconnection between the swinging rod and the rotating platform, thus achieving intermittent circular motion of the rotating platform, solving the problem of heavy load that the common intermittent mechanism can not adapt to, and meeting the demand of automatic production.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Hydraulic parallel driving system for fore-and-aft lifting of forging manipulator

The invention discloses a hydraulic parallel driving system for fore-and-aft lifting of a forging manipulator. The P port of a nonsymmetrical proportional servo valve (2-1) is respectively connected with an oil supply port (1) of an oil source and the P port of a symmetrical proportional servo valve (2-2); the A port of the nonsymmetrical proportional servo valve (2-1) is respectively connected with the A port of the symmetrical proportional servo valve (2-2), the inlet of a lower cavity safety valve (3-2) and the like; the B port of the nonsymmetrical proportional servo valve (2-1) is respectively connected with the inlet of an upper cavity safety valve (3-1), the outlet of an upper cavity one-way valve (4-1), the inlet of an upper cavity cut-off valve (5-1) and the like; the B port of the symmetrical proportional servo valve (2-2) is plugged; an oil return port (7) of the oil source is respectively connected with the T port of the nonsymmetrical proportional servo valve (2-1), the T port of the symmetrical proportional servo valve (2-2), and the like; and the top ends of the piston rods of four lift cylinders are mechanically consolidated. The hydraulic parallel driving system disclosed by the invention can solve the problem of synchronous driving of fore-and-aft lifting systems of the existing forging manipulator.
Owner:ZHEJIANG UNIV

Device for indicating failure of electric apparatus

A device for indicating the failure of an electric apparatus comprises an indicator, a fastener and a spring; the indicator and the fastener are arranged in the base of the electric apparatus; the indicator and the fastener are provided with a buckling-locking surface and a locking-buckling surface which are capable of realizing self-locking respectively; the indicator is provided with a white indicating surface representing a normal situation and a red indicating surface representing a failure situation; and the spring provides suitable self-locking force for the indicator and the fastener and provides a driving force for the indicator to be converted from a normal state to a failure state. When manually opening and closing the brake, the white indicating surface is always locked in the window of the base so as to indicate that the electric apparatus is in a normal state; when the electric apparatus fails and trips, the indicator and the fastener are released and rotate under the action of the elastic force of the spring so that other red indicating surfaces enter the window of the base so as to indicate that the electric apparatus is in a failure state; and the memory of the indicating state is not finished until the manual closing operation of the electric apparatus is carried out. The failure indication device has simple structure, good safety and reliability, low preparation cost and wide applications.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD

Front leg mechanism of composite wheel leg type wheelchair

InactiveCN103230322AImprove climbing abilityIncrease motivation to climb stairsWheelchairs/patient conveyanceLeg typeWheelchair
The invention discloses a front leg mechanism of a composite wheel leg type wheelchair. The front leg mechanism of the composite wheel leg type wheelchair is characterized by mainly comprising a rear connecting plate position and posture adjusting mechanism, a front connecting plate position and posture adjusting mechanism, a power transmission mechanism, a variable transmission mechanism and a control system. The rear connecting plate position and posture adjusting mechanism comprises a box, a rear connecting plate, a spindle, a crank, a guide rod, a sliding block, a guide rod seat, a left screw, a left rack nut, an upper electromagnetic clutch, a left handle, a rear guide wheel, a front guide wheel and a lower shaft. The front connecting plate position and posture adjusting mechanism comprises a front connecting plate, a right screw, a right rack nut, a lower electromagnetic clutch, a right handle and an upper shaft. The power transmission mechanism mainly comprises a spindle, a middle small shaft, a lower small shaft, a front guide wheel, a rear guide wheel, a middle bottom wheel gear and an underneath bottom wheel gear. The variable transmission mechanism mainly comprises a nut, a spring, a middle bottom wheel gear, a friction plate, a rear guide wheel and an upper shaft. The control system mainly comprises a sensing detection module, a driving module and a timing module.
Owner:HEBEI UNIV OF TECH

Rapier loom noncircular gear planetary gear train weft insertion mechanism

InactiveCN101824696AMeet the weaving process requirementsReduced weft tension variationLoomsToothed gearingsIsosceles trapezoidGear drive
The invention discloses a rapier loom noncircular gear planetary gear train weft insertion mechanism. The invention is characterized in that planetary carriers are driven by a main shaft of the loom; a drive noncircular sun gear is moveably sleeved on a driven noncircular sun gear shaft, and the drive noncircular sun gear is fixed and can not move; planetary shafts are driven by the planetary carrier; two noncircular gears are fixedly connected on the planetary shafts, one of noncircular gears is engaged with the drive noncircular sun gear, and the other is engaged with the driven noncircular sun gear; and the driven noncircular sun gear outputs motive power, and then the movement and the motive power of the main shaft of the loom are transferred to a rapier gripper by cylindrical gear drive, bevel gear drive and engagement of a rapier wheel and a rapier tape. A noncircular gear planetary train, the cylindrical gear and a bevel gear mechanism are used to transform uniform rotation of the main shaft of the loom to non-uniform reciprocating movement of the rapier gripper. Optimizing the drive ratio function of the noncircular gear can lead an acceleration rule of the rapier gripper to be an isosceles trapezoid to reduce tension of weft. Relay weft insertion can be achieved through different initial phase angles of the planetary carriers in weft insertion mechanisms symmetrically arranged at the left side and the right side of the rapier loom.
Owner:ZHEJIANG SCI-TECH UNIV

Three-dimensional self-adaptive adjusting platform

The invention discloses a three-dimensional self-adaptive adjusting platform which comprises a first platform body and a second platform body. The lower side of the left side of the first platform body and the lower side of the right side of the second platform body are each provided with two outer damping and supporting systems. The upper ends of the four outer damping and supporting systems areconnected with the bottom face of the first platform body and the bottom face of the second platform body through bidirectional acting cylinder type damping structures correspondingly. The lower sideof the right side of the first platform body and the lower side of the left side of the second platform body are each provided with two inner damping and supporting systems. The top ends of the innerdamping and supporting systems are connected with the bottom face of the first platform body and the bottom face of the second platform body through bidirectional acting cylinder type damping structures. Through the combination of series-connection arrangement and parallel-connection arrangement of the damping and supporting systems and platform connecting devices, with the aid of a control systemfor feeding back instructions in parallel, linkage work is free of mutual interference, and the whole self-adaptive adjusting platform is higher in adjustment precision, higher in stability and higher in adjustment speed.
Owner:HENAN POLYTECHNIC UNIV

Automatic riveting device suitable for satellite disc type conductive slip ring ultra-thin reed

ActiveCN110504609AAutomatic riveting realizationImprove molding efficiencyBrushes manufactureControl systemEngineering
The invention relates to an automatic riveting device suitable for a satellite disc type conductive slip ring ultra-thin reed. The device comprises a riveting machine, a riveting head, a riveting fixed clamping tool, a precise driving platform, a sensor, a control system and the like. A rivet, the reed and a printed brush plate are accurately positioned through the riveting fixed clamping tool; the riveting machine is controlled by the control system, the riveting head is tightly absorbed by means of magnetic force, and the riveting head is pressed to a certain position through high-speed rotation; the sensor is used for feeding back riveting force to the control system in real time to finally achieve riveting of a fixed force value; after one point is riveted, the control system is used for controlling the precise driving platform to accurately move to a next riveting point, and the operation is repeated, so as to realize automatic riveting of the reed. According to the automatic riveting device in the invention, positioning and fastening of the reed are realized, through force feedback control, the pressing quality consistency of the riveting points is guaranteed to be good, andthe reliability is guaranteed to be high; and through the precise driving platform, automatic riveting of a group of reeds is realized, and the product quality precision and efficiency are improved.
Owner:SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY

No-tooth transmission lead screw with adjustable polish rod axis positions and transmission friction force

The invention discloses a no-tooth transmission lead screw with adjustable polish rod axis positions and transmission friction force. The no-tooth transmission lead screw with the adjustable polish rod axis positions and the transmission friction force comprises a displacement block, a displacement platform, a polish rod, a friction drive pair, an adjusting screw group and a jacking bolt group, wherein the displacement platform is connected with the displacement block, the polish rod penetrates through an inner cavity of the displacement block, the friction drive pair is installed on the polish rod and is composed of a bearing group and a wedge block group, the adjusting screw group is pushed upwards to the bearing group and used for adjusting the positions of a polish rod axis, and the jacking bolt group is used for adjusting the friction force, locking and loosening the drive pair. Fast centering of the polish rod is easily achieved, and motion stability is good by adjusting of the adjusting screw group. By means of adjusting of the jacking bolt group, the transmission friction force can be adjusted, locking and releasing of the polish rod can be achieved, the displacement platform is enabled to do precise fine motions and fast motions, and changing over of the motions is simple, convenient and fast. The no-tooth lead screw is small in abrasion, strong in loading capacity, easy to machine, convenient to assemble, stable in quality and low in cost by adopting of symmetric design and standard parts. The no-tooth lead screw can be applied to a machine tool, a coordinate measuring machine and an image measurement device to drive the displacement platform to do fine displacement motions.
Owner:HEFEI MIKE PHOTOELECTRIC TECH

Two-degree-of-freedom hydraulic holder

A two-degree-of-freedom hydraulic holder comprises a lower hydraulic oscillating cylinder, an upper hydraulic oscillating cylinder and a bracket, wherein the lower hydraulic oscillating cylinder is connected into a lower oscillating cylinder fixing housing; an output shaft of the lower hydraulic oscillating cylinder vertically extends out of the upper end of the lower oscillating cylinder fixing housing; the upper hydraulic oscillating cylinder is connected into an upper oscillating cylinder fixing housing; an output shaft of the upper hydraulic oscillating cylinder horizontally extends out of the upper oscillating cylinder fixing housing; the upper oscillating cylinder fixing housing is connected to the output shaft of the lower hydraulic oscillating cylinder; a bracket is connected to the output shaft of the upper hydraulic oscillating cylinder. The holder has two rotation degree of freedom, and axes are vertically intersected; the two-degree-of-freedom hydraulic holder is driven through two hydraulic oscillating oil cylinders; an encoder is mounted on the rotating shaft of each hydraulic oscillating oil cylinder and is used for detecting the angular displacement of each oscillating oil cylinder. The wo-degree-of-freedom hydraulic holder is capable of resisting strong electromagnetic interference, high in loading capacity, high in motion stability, high in protection level, and compact in structure.
Owner:SHANDONG YOUBAOTE INTELLIGENT ROBOTICS CO LTD

Special high-precision arc channel composite milling machine for bell housing

The invention discloses a special high-precision arc channel composite milling machine for a bell housing, and belongs to the technical field of milling machines, a clamping device comprises a spring chuck, a hydraulic indexing tool turret, an extension seat, a tool turret seat, a transmission rod, an arc rotating table and a driving mechanism, the arc rotating table is fixedly installed on a workbench, and the transmission rod is installed in the arc rotating table in a transmission mode; the tool turret base is fixedly installed at the upper end of the transmission rod, the extension base is integrally formed on one side of the tool turret base, the hydraulic indexing tool turret is fixedly installed on the extension base, the spring chuck is installed on the hydraulic indexing tool turret, and the driving mechanism is fixedly installed at the lower end of the arc rotating table. The transmission rod is driven by the driving mechanism to do reciprocating rotation motion so as to drive the spring chuck to do reciprocating arc track motion on the horizontal plane, and the effects of being simple and ingenious in structure, long in service life, stable in cutter cutting, high in machining precision, low in energy consumption, low in cost, capable of machining double arc channels at a time and high in machining efficiency are achieved.
Owner:玉环利仁数控机床制造有限公司

Rubber pipe washing device for gynaecology and obstetrics

The invention discloses a rubber pipe washing device for gynaecology and obstetrics. The rubber pipe washing device comprises a body, a water discharging opening is formed in the bottom of the left side of the body, a lifting device is hoisted at the top end of the body, an installing platform is arranged at the bottom of the lifting device, an upper washing plate is arranged below the installingplatform through a second spring, a contact block is arranged at the upper end of the upper washing plate, and a reciprocating motion device is arranged on the contact block; a water inlet is formed in the right side of the body, a washing plate platform is arranged at the lower end of the upper washing plate, the two ends of the washing plate platform are arranged in sliding grooves in a slidingplate through sliding wheels, and the left end of the washing plate platform is provided with a suction block; and the suction block is sleeved with a first spring, the right end of the first spring is fixedly arranged on the washing plate platform, the right end of the first spring is arranged on an electromagnet, and the electromagnet is fixedly arranged on the inner wall of the left side of thebody. The rubber pipe washing device is simple in structure, good in washing effect and convenient to use.
Owner:汪玲银

A binocular vision-based citrus picking robot and its implementation method

ActiveCN108834576BOvercome steep terrain obstaclesOvercome terrain obstaclesPicking devicesAgricultural engineeringVisual recognition
The invention discloses a binocular vision-based citrus picking robot and an implementation method thereof. The robot comprises a three-degree-of-freedom moving mechanism, an end execution mechanism,a binocular ranging vision identification mechanism, an ultrasonic ranging mechanism, a base supporting mechanism and an embedded type main control end, wherein the three-degree-of-freedom moving mechanism is overall located on the base supporting mechanism; a synchronous belt linear module sliding table is vertically fixed above a moving mechanism; a screw rod guide rail sliding table is connected with the synchronous belt linear module sliding table through a lifting telescopic mechanism connecting piece and forms an inclination angle of 15 to 30 degrees together with the synchronous belt linear module sliding table; the end execution mechanism is fixed at the tail end of the screw rod guide rail sliding table. The binocular vision-based citrus picking robot is simple in structure and convenient to control; by the adoption of a guide rail walking type structure, the robot is high in motion steadiness, can overcome the physiographic barrier of a steep terrain of an orchard and relievethe working intensity of manual picking, and is high in citrus picking precision.
Owner:SOUTH CHINA AGRI UNIV

Handheld electric particle implantation device driven by linear motor

The invention provides a handheld electric particle implantation device driven by a linear motor, and belongs to the field of medical instruments. The handheld electric particle implantation device ischaracterized in that a guide rail is installed on a body, wherein a first sliding block and a second sliding block are installed on the guide rail; a front baffle is installed at the front end of the guide rail; a linear motor stator is installed on the body; a linear motor rotor is installed on the lower face of the first sliding block and matched with the linear motor stator; a flat plate is installed on the first sliding block; an inner needle driving mechanism, a shifting rod mechanism and a clip module are installed on the flat plate; the clip module is in threaded connection with a quick connector; the quick connector is connected with a puncture needle; an outer needle driving button and an inner needle driving button which are installed on a handle of the body are used for controlling the linear motor and the inner needle driving mechanism to move; a speed adjusting knob is used for controlling the movement speed of the linear motor; a battery is installed at the tail of thebody and provides power for the whole mechanism; a middle supporting structure is installed on the second sliding block; the puncture needle is prevented from being stressed and bent in the working process; and the supporting effect is achieved. By means of the device, horizontal and vertical needle insertion at a certain angle can be achieved, and the problems existing in an existing device are solved.
Owner:HARBIN UNIV OF SCI & TECH

A cable detection robot system for cable-stayed bridge

The invention discloses a cable-stayed bridge cable detection robot system which comprises a machine frame. Multiple power climbing mechanisms are arranged on the machine frame and are distributed in the peripheral direction, each power climbing mechanism comprises a power mechanism and two climbing mechanism bodies, the two climbing mechanism bodies are vertically arranged and are connected through a synchronous drive mechanism, each climbing mechanism body comprises rolling wheels capable of rolling on cables, the rolling wheels of one climbing mechanism body are driven to rotate by the corresponding power mechanism, and the synchronous drive mechanism can drive all rolling wheels of the two vertically-arranged climbing mechanism bodies to synchronously rotate. The machine frame comprises multiple sub supporting frames, each power climbing mechanism is installed on the corresponding sub supporting frame, every two adjacent sub supporting frames are connected through a connecting device, and the distance between every two adjacent sub supporting frames can be adjusted through the corresponding connecting device. The cable-stayed bridge cable detection robot system has very high adapbility and can work on the cables different in diameter, the sub supporting frames are connected by using the connecting devices, and overall size adjustment of the robot system is facilitated.
Owner:HUAZHONG UNIV OF SCI & TECH
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