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2593 results about "Vertical plane" patented technology

Thick plate weld groove orthogonal section contour three-dimensional point cloud reconstruction method and system

The invention belongs to the technical field of visual identification, and particularly discloses a thick plate weld groove orthogonal section contour three-dimensional point cloud reconstruction method and system. Comprising the following steps: dividing a three-dimensional point cloud of a groove contour into a plurality of parts according to geometric characteristics of a weld groove; receiving designation of a target part, extracting a point cloud subset at the left junction of the target part, and further fitting to obtain an edge line; confirming a point closest to the three-dimensional point cloud of the current frame on the edge line; calculating a tangent vector of the edge line at the nearest point as a normal vector of an orthogonal section; calculating the distance between each point in the three-dimensional point cloud of the current frame and the normal vector of the orthogonal section, and screening out all points which do not exceed a preset threshold value; and calculating a projection point of each screened point on the orthogonal section to jointly form a reconstructed thick plate weld groove orthogonal section contour. According to the method, the coordinate system orthogonally perpendicular to the welding seam in real time is constructed, the three-dimensional point cloud is projected to the orthogonally perpendicular plane, the orthogonal section contour of the groove of the welding seam is obtained, and the measurement error caused by the pose of the sensor is eliminated.
Owner:TIANJIN UNIV

Intelligent robot system for discharging procedure of rare earth smelting furnace

The invention provides an intelligent robot system for a discharging procedure of a rare earth smelting furnace, which comprises a first supporting assembly, the first supporting assembly comprises a first guide rail structure, and the first guide rail structure extends along the horizontal direction; the first driving device is arranged on the first supporting assembly and can move along the first guide rail structure; the second supporting assembly comprises a second guide rail structure, and the second guide rail structure extends in the vertical direction and is connected with the first driving device; the mechanical arm assembly comprises a second driving device and a driving arm, the second driving device is arranged on the second guide rail structure and connected with one end of the driving arm, and the driving arm can swing around the end and in the vertical plane; and the discharging assembly comprises a scoop extending in the vertical direction, and the top end of the scoop is rotationally connected with the other end of the driving arm. And the discharging procedure of the rare earth smelting furnace can be efficiently and accurately completed.
Owner:SHANGHAI TEJIZHI ROBOT CO LTD

Three-dimensional storage system capable of rapidly taking and placing material boxes

The invention relates to a three-dimensional storage system capable of rapidly taking and placing material boxes. The three-dimensional storage system comprises a modularized extensible vertical warehouse, a lifting portal frame and a cargo carrying table device arranged on a movable support. The modular extensible three-dimensional warehouse is characterized by comprising at least two three-dimensional warehouse frame bodies, and each three-dimensional warehouse frame body is formed by stacking at least two standardized material frame units in the vertical direction through detachable connecting structures; the vertical warehouse frame bodies are arranged in parallel in the horizontal direction; the at least one top beam is transversely erected on the tops of all the vertical warehouse frame bodies which are arranged in parallel; the inserting structure is arranged at the bottom of the top beam; wherein the top beam is detachably and rigidly connected with the top of each three-dimensional warehouse frame body in an inserting manner through the inserting structure of the top beam, so that all the three-dimensional warehouse frame bodies form an integral stable structure; the lifting portal frame is transversely and movably arranged on the top beam, and the cargo carrying table device is movably arranged on the lifting portal frame and used for achieving two-dimensional movement of the cargo carrying table device in the vertical plane. The scheme has the advantages of stable structure, flexible expansion and convenient installation.
Owner:ZHEJIANG EP EQUIP

Visual sag detection method, system and device

The invention discloses a visual sag detection method, system and device. The method comprises the following steps: S1, pre-calibrating external parameters of a camera and a laser radar, and obtaining internal parameters and relative external parameters of the camera and the laser radar; s2, synchronously acquiring image data and three-dimensional point cloud data of the to-be-detected power transmission conductor respectively; s3, performing fitting by using the wire local three-dimensional point cloud to extract a wire part point cloud, and determining a vertical plane where the wire is located by combining gravity direction information and external parameters; s4, segmenting image pixels of the leads in the image acquired by the camera, and determining pixel coordinates of the leads in a camera coordinate system; and S5, projecting the segmented conductor image pixels to a vertical plane, expanding the conductor image pixels into a three-dimensional space point cloud under a camera coordinate system, fitting a catenary of the power transmission conductor line based on the three-dimensional space point cloud, and calculating a sag value of the conductor. According to the invention, the sensing precision of the conductor state in the sag detection technology can be improved, and high-precision sag detection can be continuously carried out after a single system is installed.
Owner:JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD

Stator wire pressing device

The utility model discloses a stator wire pressing device, which comprises a workbench and a wire body, the wire body is provided with a plurality of trays moving along the wire body, the upper side surface of each tray is provided with a wire plugging tool, the workbench is internally provided with two groups of jacking assemblies, the two groups of jacking assemblies are linearly arranged along the wire body and are positioned below the wire body, and the wire plugging tool is positioned below the wire body. The jacking assembly and the tray are located in the same vertical plane, a wire holding assembly used for fixing the end of a stator copper wire is arranged on the upper side face of the workbench, a wire pressing assembly used for pressing the stator copper wire downwards is arranged on one side of the wire holding assembly, and the wire pressing assembly is located on the upper side face of the workbench. The copper wire inserting tool has the advantages of limiting the pre-inserted copper wire and the wire inserting tool and preventing the copper wire from deviating.
Owner:UPTEC INTELLIGENT MANUFACTURING (WUXI) CO LTD

Wind tunnel test six-degree-of-freedom parallel supporting mechanism based on 6-PSS configuration

The invention belongs to the technical field of aviation wind tunnel tests, and particularly relates to a wind tunnel test six-degree-of-freedom parallel supporting mechanism based on 6-PSS configuration, and the mechanism comprises a wind tunnel test support, the middle part of which is used for airflow to pass through; the aircraft model is installed in the wind tunnel test support; the wind tunnel test support comprises a test section and a support section, the aircraft model is located in the test section, one end of the parallel support mechanism is installed in the support section, and the other end of the parallel support mechanism is connected with the aircraft model; the parallel supporting mechanism comprises: a model supporting rod, one end of which is connected with the aircraft model; one end of each of the six position adjusting parts is spherically hinged to the other end of the model supporting rod; the six position adjusting parts are divided into two groups and are symmetrically arranged on the two sides of the vertical plane where the model supporting rod is located; one end of the position adjusting part away from the model supporting rod is fixed with the inner side of the bracket section; the movable end of the position adjusting part is spherically hinged to the model supporting rod.
Owner:SHENYANG JIANZHU UNIVERSITY

Guide rod strength checking method of hydraulic support based on safety standard test

The invention relates to a method for checking the strength of a guide rod of a hydraulic support based on a safety standard test. The method comprises the steps that S1, the rated working resistance of the hydraulic support in a preset underground working state, the included angle between the axial direction of a stand column and the vertical face, safety standard test cushion block information and guide rod information are obtained; s2, acquiring a strength safety coefficient K of the guide rod according to the information acquired in the step S1; s3, the strength safety coefficient K is used for checking the strength of the guide rod of the hydraulic support so that the guide rod of the hydraulic support used in the underground coal mine can meet the strength requirement; wherein when the strength safety coefficient K is obtained, the safety standard test stress analysis model provided with the safety standard test cushion block is adopted to process the information, and the strength safety coefficient K is obtained. According to the method, the stress condition of the guide rod in the preset underground working state can be accurately analyzed, the strength safety coefficient K is obtained by adopting the safety standard test stress analysis model provided with the safety standard test cushion block, and therefore it is ensured that the strength of the guide rod meets the underground use requirement of a coal mine.
Owner:CHINACOAL BEIJING COAL MINING MACHINERY CO LTD

Phase shifter with adjustable output mode and antenna

The present disclosure provides a phase shifter with an adjustable output mode, capable of switching the output mode of a conventional antenna in a vertical plane, includes a fixed dielectric plate provided with a fixed circuit; a moving sliding plate, the moving sliding plate is provided on the side of the fixed dielectric plate, a plurality of sliding circuits are provided on the moving sliding plate corresponding to each of the fixed circuits, the fixed circuits are capable of being coupled with at least one of the corresponding sliding circuits to form a phase-shifting circuit together, and the moving sliding plate slides with respect to the fixed dielectric plate, is capable of switching the sliding circuits coupled with the fixed circuits, and is capable of adjusting the phase of the output signal of the phase-shifting circuit; the present disclosure further provides an antenna using the phase shifter.
Owner:JIANGSU HENGXIN TECH CO LTD +1

Overhead insulated power cable

The invention discloses an overhead type insulated power cable, relates to the technical field of insulated cables, and aims to provide an overhead type insulated power cable which does not need to be supported by a bridge and can be horizontally mounted in an overhead manner by utilizing the overhead type insulated power cable, and the technical key points are that the overhead type insulated power cable comprises a cable main body which comprises an internal conductive core and an external insulating layer, the insulating layer is arranged between the conductive core and the insulating layer, the wire core wrapping layer is arranged between the conductive core and the insulating layer in a filling mode, supporting components are arranged at the top and the bottom of the insulating layer, and the two supporting components are located on the same vertical plane and are arranged in parallel. And the horizontal bending hinge is arranged in a manner that the axial direction is consistent with the radial direction of the cable main body, so that the horizontal bending hinge cannot be bent up and down, and after the cable main body is mounted in an overhead manner, the gravity of the cable is borne by the horizontal bending hinge, and the cable is prevented from falling greatly.
Owner:YANGZHOU XINXIN LIGHT OPTOELECTRONIC TECH CO LTD

Flying vehicle rotor arrangement

A flying vehicle includes a first rotor assembly, a second rotor assembly and a second rotor assembly pylon arranged to mount the second rotor assembly to the remainder of the flying vehicle. The first rotor assembly and the second rotor assembly are located so that they are spaced in a longitudinal direction of the flying vehicle and so they are substantially on a vertical plane that is parallel to a vertical plane aligned with a longitudinal axis of the flying vehicle. The first rotor assembly includes a tilt-rotor arranged to tilt between delivery of substantially vertical flight thrust and substantially conventional flight thrust. The second rotor assembly includes a stacked plurality of substantially vertical thrust rotors mounted to the pylon so as to be substantially to the same side of the pylon.
Owner:VERTICAL AEROSPACE GRP LTD

Large-stroke hydraulic vibration horizontal test bench

The invention discloses a large-stroke hydraulic vibration horizontal test bed, which is used for solving the problems of interference, abrasion and easy fatigue fracture of a force transmission component caused by a centering error between a large-stroke hydraulic vibration exciter and a horizontal table board. The test bed comprises a base, a hydraulic vibration exciter, a horizontal table top and a spring plate assembly connecting the base and the hydraulic vibration exciter. A function decoupling design is adopted, wherein a guide rail compensation block with horizontal transverse elasticity is arranged in a guide mechanism between a horizontal table top and a base and is specially used for dynamically compensating centering errors in the horizontal direction; meanwhile, the spring plate assembly is constructed to be composed of multiple layers of stacked spring plates parallel to the horizontal table top, centering errors in the vertical direction are dynamically compensated through bending flexibility of the spring plates in the vertical plane, the working stress is greatly reduced through the multi-layer structure, and the fatigue life is prolonged. By means of the design, unification of high-rigidity excitation force transmission and multi-dimensional dynamic error compensation is achieved, the reliability and precision of equipment are remarkably improved, and the service life of the equipment is remarkably prolonged.
Owner:SUZHOU WEIBO TESTING INSTR CO LTD

Structure for linking and supporting a turbine engine on an aircraft pylon

A structure for linking and supporting a turbine engine on an aircraft pylon, the structure having a first longitudinal axis intended to extend parallel to a second longitudinal axis of the pylon, the structure including a first axial portion for fastening to the pylon, the first portion having an upper end that defines a substantially horizontal plane of interface with the pylon, and a lower end bearing suspension rods for suspending the turbine engine, which extend in a rear vertical plane; and a second axial portion that is intended to extend forward of the pylon and includes at least one suspension member of the turbine engine in a front vertical plane.
Owner:SAFRAN AIRCRAFT ENGINES SAS

Suture line cutting device for continuously preparing circumferential barb structure

The invention belongs to the technical field of suture line cutting, and particularly relates to a suture line cutting device for continuously preparing a circumferential barb structure, which comprises a support system, a suture line penetrates through the center of the support system, and the middle part of the support system is fixedly connected with a pneumatic clamping jaw for clamping the suture line; the four crankshafts are arranged around the suture line, the four crankshafts are rotationally connected to the four corners of the support system respectively, and cranks of the crankshafts are arranged in parallel; the cutting frame is rotationally connected with the four crankshafts; the cutting blades are fixedly connected with the cutting frame, the cutting blades are arranged around the suture line, and the cutting blades are used for cutting scratches on the surface of the suture line; the fixed end of the transmission structure is connected with the support system, the movable end of the transmission structure is connected with the four crankshafts, and the transmission structure enables the four crankshafts to rotate synchronously. During use, the four crankshafts synchronously rotate through the transmission structure, the four crankshafts simultaneously drive the cutting frame to translate in the vertical plane where the cutting frame is located, and the multiple cutting blades sequentially cut scratches on the surface of a suture line to form a barb structure.
Owner:HUZHOU COLLEGE

Pipeline robot and method for detecting and repairing defects of inner wall of pipeline

The invention relates to the technical field of pipeline production, and aims to solve the technical problems of leak detection, high labor intensity of manual repair and the like. In order to solve the technical problem, the invention provides the pipeline robot and the method for detecting and repairing the defects of the inner wall of the pipeline. The pipeline robot comprises a robot body walking in a pipeline; the three-dimensional detection assembly is arranged at the front end of the robot body; a laser of the three-dimensional detection assembly emits a laser beam and forms a light ring on the inner wall of the to-be-detected pipeline; the 3D camera is used for shooting light rings; the lifting assembly is connected with the robot body and the three-dimensional detection assembly to drive the three-dimensional detection assembly to lift; the repairing assembly is arranged at the tail end of the robot body. A polishing brush of the repairing assembly is connected with a rotary power part so as to drive the polishing brush to rotate in the horizontal plane and the vertical plane. According to the invention, surface defects can be detected with high precision and high efficiency, detection and repair are integrated, and labor intensity is reduced.
Owner:JIANGSU JINGYI INTELLIGENT CONTROL TECH CO LTD

Table saw with gravity rise stand

A table saw system includes a table saw, and a stand including a table saw coupling assembly, an intermediate support pivotably coupled to the coupling assembly, and a lower support pivotably coupled to the intermediate support through a second pivot. A longitudinal support pivotably connects to the coupling assembly through a third pivot, and pivotably connects to the lower support through a fourth pivot. The stand is alternatively movable from an intermediate position to a closed position whereat the table saw is vertically oriented, or an open position, whereat the table saw is horizontally oriented, without passing through the other of the closed and open position. The table saw is vertically oriented in the intermediate position with the second pivot closer to a vertical plane extending through the fourth pivot than when the stand is in the closed position. Movement from the closed position to the intermediate position is automatic.
Owner:ROBERT BOSCH GMBH

Novel telescopic mechanism of hydraulic support

The invention relates to a novel telescopic mechanism of a hydraulic support. The novel telescopic mechanism comprises a fixed beam, a movable beam, a first driver, a second driver, a plurality of guide rods and a cleaning mechanism. One side of the fixed beam is hinged to a top beam of the hydraulic support, and the two ends of the first driver are arranged on the top beam and the fixed beam so as to drive the fixed beam to rotate to a standby position or a supporting position in a vertical plane; one ends of the plurality of guide rods are fixed in the movable beam, and the movable beam is slidably sleeved on the fixed beam through the plurality of guide rods; the second driver is arranged in the fixed beam and connected with the movable beam so as to drive the movable beam to slide along the fixed beam, and then the supporting face of the top beam of the hydraulic support to the thin coal seam top plate is enlarged. The thin coal seam cleaning device has the beneficial effects that the thin coal seam cleaning device is not only suitable for thin coal seams, but also more reasonable and simpler in design, and the manufacturing cost and the maintenance difficulty are reduced.
Owner:CHINACOAL BEIJING COAL MINING MACHINERY CO LTD

Optical system for realizing large-angle projection and vehicle lamp

The utility model belongs to the technical field of optical systems, and particularly relates to an optical system capable of achieving large-angle projection and a car lamp, the optical system capable of achieving large-angle projection comprises a light source, a light collecting part, a reflecting unit and an imaging unit, the imaging unit is arranged in the light emitting direction of the reflection unit, at least one part of the projection contour line of the reflection unit in the vertical plane is a parabola, the focus of the parabola coincides with the focus of the light emitting face of the imaging unit in the vertical plane at a point F, and the projection contour line of the reflection unit in the horizontal plane is a curve or a straight line. According to the utility model, the light collection part is used for collecting the light emitted by the light source and carrying out preliminary shaping, the projection contour line of the reflection unit in the horizontal plane is a straight line or a curve, and a part of large-angle light emitted by the light source is also collected and utilized, so that the large-angle projection is realized, and the effects of improving the lighting effect and realizing more uniform observation by human eyes are achieved.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Off-road vehicle

An off-road vehicle includes an intake duct and an air cleaner. The intake duct defines a clean conduit. The air cleaner is connected to the intake duct, and includes an air cleaner case and an air cleaner element. The air cleaner case defines an internal space of the air cleaner. The air cleaner element divides the internal space into dirty and clean regions. The air cleaner case includes an intake port, an exhaust port, and a cylinder. The intake port faces the dirty region. The exhaust port faces the clean region and communicates with the clean conduit. The cylinder protrudes diagonally upward and toward the internal space. The cylinder has a protrusion end portion that is inclined relative to an imaginary radial plane in an angle direction from the plane toward an imaginary vertical plane. The imaginary radial plane is orthogonal to an axis of the cylinder.
Owner:KAWASAKI MOTORS LTD

Pore ​​chip housing and microparticipant measurement system

A pore chip package 700 houses a pore chip 110. A main body 710 includes a chip receiving space 720, a first chamber 722, and a second chamber 724. The pore chip 110 is housed in the chip receiving space 720 and held in a vertical plane. The first chamber 722 and the second chamber 724 are adjacent to each other in the horizontal direction and are divided by the pore chip 110.
Owner:ADVANTEST CORP

Knife rest for computer cutting machine

The utility model discloses a knife rest for a computer cutting machine, which comprises a conveying part connected with the cutting machine and used for conveying a cable, a cutting table top arranged on the conveying part and a cutting part for cutting the cable, and the cutting part is connected with the cutting machine through a support. A cutting blade on the cutting part rotates on the vertical face through a rotating motor, when the cutting blade rotates to the cutting table top, the cable conveyed through the conveying part is cut, and when the cutting blade is away from the cutting table top, the cutting blade is arranged on the outer side of the cutter rest for the cutting machine in a suspended mode, and the cutting blade is convenient to replace. According to the device, the rotary blade is utilized, and when the blade is not used, the blade can be rotated out of the knife rest to change the replacement of the blade; when the cable is cut by the rotary blade, the transmission part on the blade acts on the temporary fixing part on the conveying part, so that the cable is temporarily fixed, the damage probability of the surface of the cable when the cable is cut after the blade is damaged is reduced, and meanwhile, the cutting efficiency is also improved.
Owner:HUBEI FULEDI ELECTRONICS CO LTD

Real scene three-dimensional point cloud AI automatic extraction method and system

The invention belongs to the technical field of three-dimensional point cloud processing, and discloses a live-action three-dimensional point cloud AI automatic extraction method and system, and the method comprises the steps: carrying out the scanning through a laser radar, collecting the point cloud data of an external vertical face and a roof of a building, and obtaining an original point cloud; preprocessing the original point cloud to obtain a preprocessed point cloud; based on the preprocessed point cloud, extracting a plane segment set and a vertical plane set; based on the plane section set, extracting a roof edge line, a top surface outer boundary of the parapet wall and a top surface inner boundary of the parapet wall; calculating a roof edge height based on the roof edge line; and based on the roof edge height, the top surface outer boundary and the vertical plane set, determining an outer boundary line of the parapet wall, and obtaining a parapet wall point set after analysis. According to the method, the key technical challenge on parapet wall extraction in building point cloud refined segmentation is overcome, and a solid technical guarantee is provided for high-precision three-dimensional reconstruction and digital management.
Owner:BEIJING TAIYUE LEADING TECHNOLOGY CO LTD +1

Microsurgery robot slave end system based on series-parallel structure

A microsurgical robot slave end system based on a series-parallel structure belongs to the technical field of medical equipment and surgical robots and comprises a four-degree-of-freedom surgical trolley, a five-degree-of-freedom series-parallel mechanical arm and a microscope adjusting platform. The five-degree-of-freedom series-parallel mechanical arm is mounted on the degree-of-freedom surgical trolley and can move and rotate along with the surgical trolley; the five-degree-of-freedom series-parallel mechanical arm is used for achieving pose adjustment in the horizontal plane and pose adjustment in the vertical plane. The microscope adjusting platform is installed on the series-parallel mechanical arm. The system realizes multi-degree-of-freedom and high-precision surgical operation through a series-parallel structure, has the characteristics of compact structure, rigid-flexible combination and flexible path, and aims to provide a more efficient, safer and more intelligent auxiliary operation platform for microsurgery.
Owner:HARBIN INST OF TECH

Amplified metal composite viscoelastic damper

The utility model relates to an enlarged type metal composite viscoelastic damper. The bottom of a metal damper is fixedly connected with an enlarged type viscoelastic damper. The metal damper comprises a T-shaped core plate, L-shaped restraining plates are fixedly connected to the two opposite sides of the T-shaped core plate in the vertical direction, friction areas are arranged between the tops, located on the vertical plane, of the L-shaped restraining plates and the T-shaped core plate, fixing areas are arranged between the bottoms of the L-shaped restraining plates and the T-shaped core plate, and energy dissipation webs are arranged on the portions, between the fixing areas and the friction areas, of the T-shaped core plate. The amplified viscoelastic damper comprises an upper connecting plate, an amplifying lever is hinged to the lower portion of the upper connecting plate, an inner steel plate is hinged to the lower portion of the amplifying lever, the inner steel plate is connected with an outer steel plate through a viscoelastic layer, and the outer steel plate is hinged to the amplifying lever through a fulcrum shaft. The defects of a metal damper can be overcome under small earthquakes, good energy consumption is achieved, the amplifying damper can be protected against excessive displacement and failure under large earthquakes, the damper consumes energy in a multi-stage mode, and the anti-seismic performance of the structure is improved. The components are connected through bolts, are highly assembled and are convenient to replace.
Owner:FUZHOU UNIV +3

Cutting machine for pipeline forming

The invention belongs to the technical field of cutting machine equipment, and discloses a cutting machine for pipeline forming, which is technically characterized by comprising a base, vertical plates are fixedly mounted on the surface of the base, an equipment frame is fixedly mounted at the top ends of the two vertical plates, discs are rotatably mounted on the surfaces of the two vertical plates respectively, and a plurality of bearing rollers are arranged between the two discs; a control mechanism is arranged between the two sets of discs, the control mechanism comprises a positioning assembly, a rotating assembly and a self-rotating assembly, a cutting mechanism is arranged on the surface of the equipment frame, the cutting mechanism comprises a cutting assembly and a protection assembly, and the positioning assembly and the rotating assembly are arranged to be matched with each other; according to the pipeline cutting device, the multiple sets of bearing rollers and pipelines can be controlled to rotate in the vertical plane, when one set of pipelines is cut, the next set of to-be-cut pipelines can be installed, the previous set of cut pipelines can be taken down, then the multiple sets of pipelines can be continuously cut in sequence, and the pipeline cutting efficiency is effectively improved.
Owner:SUINING HEJU TECH CO LTD

Rear suspension system and vehicle

The rear suspension system comprises a rear rocker arm, an upper control rod, a toe-in rod and a lower control rod, the rear rocker arm extends along the X-axis of the vehicle, and the upper control rod, the toe-in rod and the lower control rod extend along the Y-axis of the vehicle and are arranged in the Z-axis direction of the vehicle. The toe-in rod is located between the upper control rod and the lower control rod, and an included angle E formed by the extension direction of the projection of the rear rocker arm in a vertical plane perpendicular to the Y axis and the X axis ranges from-5 degrees to 5 degrees. According to the rear suspension system, the optimization design of the angles and the directions of the rear rocker arms and the corresponding control rods is achieved, arrangement and installation angles of installation points of all the control rods are limited, and the stability of a vehicle during high-altitude driving is improved.
Owner:SEGWAY TECH CO LTD

Capacitor pin and lead welding machine

The invention relates to the technical field of welding equipment, and discloses a capacitor pin and lead welding machine which comprises two wire pressing plates, a rotating assembly, a pin mounting assembly and a pin separating assembly. A pair of electrodes is arranged between the two wire pressing plates, a pair of wire separating needles is arranged between the two electrodes, and a wire feeder is arranged above the wire separating needles; the two branching needles are inserted into the pin lead in the state that the vertical plane where the connecting line of the two branching needles is located is parallel to the axial direction of the pin lead, then the branching needles rotate, the branching needles are opened and separated from the pin lead at the last stage of rotation so that a hole cavity allowing a welding wire to penetrate is formed in the pin lead, and the welding wire is inserted into the hole cavity which is being formed through the wire feeder; according to the utility model, the contact area between the welding material and the copper wires is increased, the number of the copper wires in contact with the welding material in the lead pins is increased, the amount of the welding material permeating into the gaps of the copper wires is increased, the connection strength between the welding material and the capacitor is increased, and the connection strength between the lead pins and the welding material is increased.
Owner:SHENZHEN CITY FRIENDS OF LITTLE PRECISION MASCH MFG CO LTD

Hanging device of self-propelled potato planter

The invention relates to the field of tractor hooking farm tools, in particular to a hooking device of a self-propelled potato planter, which comprises a transition frame, a hydraulic cylinder, a connecting rod and a transition rod, the transition frame is a vertically mounted rectangular frame formed by connecting an upper rod, a left rod, a lower rod and a right rod end to end; the seeding single machine frame comprises a cross rod and two right-angle supports which are located at the two ends of the cross rod and are perpendicularly connected with the cross rod, each right-angle support comprises a vertical rod and a horizontal rod perpendicular to the vertical rod, and the connecting rods are four rod pieces of the same structure; the two connecting points on the left rod and the two connecting points on the vertical rod of the left right-angle support are rotationally connected with the two ends of the two connecting rods respectively to form a parallelogram structure. The seeding unit can swing left and right on the horizontal plane and float up and down on the vertical plane in the seeding operation state, and the seeding unit is fixedly connected with the traction machine in the road transportation state, so that left-right swing and up-down floating on the vertical plane cannot occur.
Owner:山西省农业机械发展中心

Wind power plant active wake flow control method and electronic equipment

The invention relates to a wind power plant active wake flow control method and electronic equipment, and the method comprises the steps: considering the time-varying load influence of a wind turbine generator in the actual operation process, combining the displacement of a long flexible blade in the flapping and shimmy directions, and constructing the dynamic equivalent impeller radius of the long flexible blade under the vertical plane projection; based on the dynamic equivalent impeller radius, a wake flow model is constructed, and the output power of each wind turbine generator is calculated; designing a wind power plant model prediction controller considering flexible characteristic correction by using the output power of each wind turbine generator, and outputting an optimal yaw and variable pitch angle control sequence through rolling optimization in a prediction time domain; and the optimal yaw and variable pitch angle control sequence is applied to the wind turbine generator sets, and dynamic coupling control over all the wind turbine generator sets in the wind power plant is achieved. Compared with the prior art, the system has the advantages that the generating capacity of a large wind power plant is improved, meanwhile, excessive action of the yaw and variable pitch mechanism is avoided, and mechanical fatigue damage can be reduced.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

A turning and milling compound machining center

The present invention discloses a turning and milling compound machining center, comprising a frame, a three-axis motion mechanism, a tool head assembly, a first turning spindle, a left-right motion mechanism, a turntable assembly, a first sub-spindle and a vise; the three-axis motion mechanism is arranged on the frame; the tool head assembly is arranged on the three-axis motion mechanism, and the tool head assembly is used for clamping a tool; the first turning spindle is arranged on the frame, and the rotation axis of the first turning spindle extends in the left-right direction; the left-right motion mechanism is arranged on the frame; the turntable assembly is arranged on the right side of the first turning spindle, the turntable assembly is arranged on the left-right motion mechanism, the rotation axis of the turntable assembly extends in the front-back direction, and the left-right motion mechanism reciprocates along the turntable assembly in the left-right direction; the first sub-spindle is on the turntable assembly, the rotation axis of the first sub-spindle is perpendicular to the turntable assembly, and the rotation axis of the first sub-spindle and the rotation axis of the first turning spindle are arranged in the same vertical plane; the vise is arranged on the rotation assembly.
Owner:GUANGDONG ORIGINAL POINT INTELLIGENT TECH CO LTD