225results about How to "Reduce the difficulty of positioning" patented technology

The invention relates to an operation positioning device and method and a robot operation system. The operation positioning device comprises a positioning ruler, an upper computer and a series-connection mechanical arm with at least six degrees of freedom. The upper computer is connected with the series-connection mechanical arm, the positioning ruler comprises two opposite surfaces allowing X-rays to transmit, the two opposite surfaces are fixedly connected through a connecting surface allowing X-rays to transmit, the two opposite surfaces are respectively provided with a group of marks, each group of marks comprise at least four mark points which are not located on the same straight line, and the mark points are X-ray-proof components. Any opposite surface or the connecting surface is fixedly connected with a ruler handle, and the ruler handle is connected with the tail end of the series-connection mechanical arm through a port. The upper computer adjusts the position of the positioning ruler by controlling movement of the series-connection mechanical arm, space positioning calculation is conducted according to the mark points in collected images, and a planning path is obtained. The device can achieve perspective positioning at any angle, and can eliminate system errors caused when an operation path is calculated, increase working space and improve the operation positioning accuracy.

A satellite-borne passive radar location method based on a GNSS-R (global navigation satellite system-reflection) signal geometrical relationship comprises steps as follows: step one, the moment when a receiver receives a direct signal of a GPS satellite is marked as t1, and the moment when the receiver receives a reflected signal to a target by a related GPRS satellite signal is marked as t2; step two, a direct path length L and a reflection path length D of the signal are calculated according to the arrival moment of the signal; step three, the position coordinate T ( xt, yt, zt) and the position coordinate R (xr, yr, zr) of a transmitter and the receiver are calculated; step four, the included angle alpha between the direct signal and the reflected signal is calculated, and the vector of the reflected signal is determined; step five, the vector of the reflected signal is lengthened to the point N in the transmission direction, so that the distance between R of the receiver and the point N is equal to the distance of the reflected signal path, and a coordinate of N is calculated; step six, a midpoint of a vector TN from T of the transmitter to the point N is set to be M, and a coordinate of M is calculated; and step seven, a TN vertical line passing the point M is drawn on a plane TRN, the vertical line intersects with a vector RN at the point P which is the position of the target at the moment, and a coordinate of the point P is calculated. According to the method, the calculation difficulty is reduced, the location efficiency is improved, and the location cost is reduced.

The invention discloses a hoisting device of an offshore wind turbine installation platform, comprising a hoisting boom and a derricking wire rope, wherein the root of the hoisting boom is hinged with a platform body of the offshore wind turbine installation platform and the tail end of the hoisting boom is connected with the derricking wire rope fixedly. The hoisting device further comprises a guide frame, wherein a wind turbine holding mechanism is arranged at the tail end of the guide frame and the tail end of the hoisting boom is hinged with the guide frame; a balance arm in parallel with the hoisting boom is arranged at one side of the guide frame, which is far away from the hoisting boom, and the hoisting boom is equal to the balance arm in length; a transverse beam in parallel with the platform body is arranged on the guide frame fixedly, the root of the balance arm is hinged to the platform body and the tail end of the balance arm is hinged to the transverse beam. According to the invention, a wind turbine can be always kept in an upright state without other auxiliary ship drawing, so positioning difficulty of the wind turbine is reduced and even big sea stormy waves cannot affect the installation of the wind turbine much, thus an offshore environment affects the construction less. The invention also discloses the offshore wind turbine installation platform provided with the hoisting device.

The invention discloses a socket-and-spigot joint structure of a prefabricated pier column and a bearing platform adopting high-strength steel fiber reinforced concrete caulking and a construction method. The invention is characterized in that a socket groove is reserved in the position, corresponding to a pier column, of the top of the bearing platform, a prefabricated pier column is hoisted andinserted into a socket groove, high-strength steel fiber reinforced concrete caulking is poured into a gap between the periphery of the pier column and the wall of the socket groove, and firm connection is achieved. The connecting structure of the pier column and the bearing platform is simple, high in embedding and fixing efficiency, convenient to install and operate, relatively low in prefabricating and embedding precision control requirement, high in construction efficiency and safe and reliable in stress, and meanwhile the anti-seismic property of the connecting structure is similar to that of a cast-in-place structure.

A color wheel including a motor body, a housing and a color filter. The housing is set to a side of the central axis of the motor body. The color filter is set on the housing. In this case, a circumferential housing surface is formed with a recess. In addition, the invention also provides a motor for a color wheel. The motor includes a motor body and a housing, both of which have the same features as those described above.

The invention discloses a live-line work robot for repairing a broken strand lead by a protecting line, and the robot comprises a walking carrier, an obstacle avoidance mechanism and a broken strand repairing working device; the obstacle avoidance mechanism comprises a vertical arm and a transverse arm I; the vertical arm is provided with an up-down longitudinal moving mechanism, the transverse arm I is connected with the up-down longitudinal moving mechanism through a rotary joint, and the upper end of the vertical arm is connected with the walking carrier; the broken strand repairing operation device comprises a left-right translation mechanism, a front-back translation mechanism is arranged on the first cross arm, the left-right translation mechanism is installed on the front-back translation mechanism in a sliding mode through a front-back translation joint and is perpendicular to the transverse arm I, and clamping mechanisms are installed at the two ends of the left-right translation mechanism. A limiting mechanism is fixedly mounted in the middle; a winding mechanism, a guide mechanism and a compounding mechanism are slidably mounted; and the composite mechanism carries out wire stroking, wire wiping, greasing and crimping operations on the wire and the wire pressing strip. According to the invention, full-coverage and integrity repair operation for the multi-split line conductor can be realized, and meanwhile, the surface of the conductor is cleaned, greased and repaired to ensure that the conductor maintains good conductivity.

The invention discloses a method and a device for supplying positioning information to infinite loops of tasks. In the method, register context information when a task is interrupted is continuously recorded in a clock interrupt processing program, and when a current task is detected to have an infinite loop, the register context information which is recorded before the occurrence of the infinite loop when the current task is interrupted each time is outputted as the positioning information. The method can supply abundant positioning information so as to reduce positioning difficulty.

The invention discloses a method for locating a tail pipe supporting seat in a subsection. The method is characterized by comprising the following steps of firstly determining the distance between an axis where the tail pipe supporting seat is located and a center line of the subsection in a horizontal direction; then determining a reference surface and the vertical distance from a bow end center and a stern end center which are positioned on the axis where the tail pipe supporting seat is located to the reference surface; forming an installation axis of the tail pipe supporting set by connecting the bow end center and the stern end center by a rope; carrying out fine tuning on the position of the tail pipe supporting seat, and enabling a central axis of the tail pipe supporting seat to be coincided with the installation axis; and connecting the tail pipe supporting seat with a beauty stand. According to the method disclosed by the invention, the central axis which is invisible is concretized, the rigidity of the installation axis is ensured, the tail pipe supporting seat is installed before the subsection is closed, the location operation of the tail pipe supporting seat is changed into a subsection manufacturing section from a dock, the difficulty of carrying out the location of the tail pipe supporting seat in the dock is reduced, and the dockage period is shortened; and a subsection jig frame is relatively fixed with the subsection, thus the central axis of the subsection cannot offset, the precision and the accuracy of installation are ensured, and the welding difficulty is reduced.

The invention relates to an unmanned aerial vehicle take-off and landing platform which comprises a base (3100) and an upper platform (3200) connected to the position above the base (3100). The upperplatform (3200) and the base (3100) are arranged in a spaced mode in the height direction, and a center hole allowing an unmanned aerial vehicle undercarriage (2000) to penetrate is formed. The upperplatform (3200) comprises an edge part and a guide limiting piece (3210), and the guide limiting piece (3210) obliquely extends inwards and downwards from the edge part. The inner end of the guide limiting piece (3210) and the base (3100) are arranged in a spaced mode in the height direction, and a side wall of the center hole is formed. The oblique guide limiting piece (3210) is formed at the topof the unmanned aerial vehicle take-off and landing platform (3000), the unmanned aerial vehicle undercarriage can gradually slide to be in an accurate locating state from an initial locating state through the guide effect of a slope, and the locating difficulty in the landing process of an unmanned aerial vehicle is reduced.

The invention provides a semiconductor memory device structure and a manufacturing method thereof. The memory device structure comprises a semiconductor substrate, word line structures and contact structures, wherein the semiconductor substrate comprises an active area and a groove isolation structure, the word line structures are formed in the semiconductor substrate and crossed with the active area, a long end tail part is arranged at one end of any word line structure, a short end tail part is arranged at the other end of the word line structure, the long end tail parts and the short end tail parts of adjacent two word line structures are arranged in a staggering manner, and the contact structures are formed at the long end tail parts of the word line structures so that electric lead-out of the word line structure can be realized. According to the semiconductor memory device structure and the manufacturing method thereof, mask design is performed to word line grooves, the word linestructures with the tail parts arranged in a long and short staggering manner are prepared, the occupied areas of the whole regions of the contact structures are not required to be increased, the manufacturing windows of the contact structures can be increased, and the short circuit of adjacent word line structures due to the contact structures is avoided. The tail parts of the word line structures are not required to be bent, the technology complexity is reduced, and the locating difficulty of the contact structures is reduced.

The embodiment of the invention discloses a drop-leaching device. The drop-leaching device comprises a top-layer drop-leaching liquid distribution tank, a bottom-layer drop-leaching liquid distribution tank and at least one middle-layer drop-leaching liquid distribution tank arranged between the top-layer drop-leaching liquid distribution tank and the bottom-layer drop-leaching liquid distribution tank. First positioning lugs are arranged at the top of the middle-layer drop-leaching liquid distribution tank located on the top layer, and positioning space for positioning the top-layer drop-leaching liquid distribution tank is formed between the first positioning lugs on the same middle-layer drop-leaching liquid distribution tank. The top-layer drop-leaching liquid distribution tank and the middle-layer drop-leaching liquid distribution tanks can be conveniently positioned, the positioning difficulty is lowered, and positioning reliability is improved. The positioning lugs have the reinforcing effect, the thickness of a steel plate can be effectively reduced, the weight of the drop-leaching device is reduced, and connecting strength is enhanced. The invention further discloses a lithium bromide unit.

The invention discloses a box body welding production line and a production method. The production line comprises a plate discharge hole forming equipment line, a rolling forming line, a punching device, a bending device and a welding device; the plate discharge hole forming equipment line is used for leveling steel and punching the surface of the steel, and a material plate is manufactured; the rolling forming line is used for rolling a bending edge on the material plate; the punching device is used for cutting off the material plate into a plurality of groups, each group of material plates comprises four continuous sections, and the four sections are corresponding to four side wall plates of the box body; the bending device is used for bending the cut material plate into a side wall frame of the box body; and the welding device is used for welding the frame into a whole box body. The full-automatic production line and process of punching, rolling, cutting, bending and welding are adopted, so that full-automatic forming from the steel plate to the box body is realized, the processing of hole forming and three-dimensional features on the side wall of the box body is completed once,the production efficiency is high, the labor cost is low, and the processing quality is high.

The invention relates to a one-piece large template shear wall and a construction method. A bottom support adjusting body is arranged between a bottom support baffle and a bottom support control body;an elevated bottom plate is arranged on an elevated support beam, and an elevated ladder and an elevated supporting column are arranged on the elevated bottom plate; the vertical position of a stirrup supporting plate is controlled through a vertical plate limiting plate, and vertical longitudinal ribs are tightly connected to a longitudinal rib limiting plate through a longitudinal rib baffle; the stiffness of the vertical longitudinal ribs is improved through a control body supporting plate; the verticality of inner and outer templates is corrected by supporting plate adjusting bolts, and the tightness between the inner and outer templates and a supporting slab is adjusted by pressing rod squeezing bolts; template corner beads are arranged at the bottom ends of the inner and outer templates, and connecting square strips are arranged at vertical joints; and the vertical position of a support frame column is controlled by a unit support body, and the spatial position of the inner template is controlled by a frame plate positioning rod and a support frame plate. The one-piece large template shear wall and the construction method can improve the binding quality of a reinforcing cageand reduce the supporting and positioning difficulty of the templates.

The invention discloses an efficient-dehumidification injection molding machine. The efficient-dehumidification injection molding machine comprises a base, an extrusion module and a mold module, wherein the extrusion module and the mold module are installed on the base. The extrusion module comprises a stuff canister, an extrusion screw and an injector head, wherein the extrusion screw and the injector head are arranged inside the stuff canister. A hopper is arranged on the upper right portion of the stuff canister, and a humidifier is arranged on the middle upper portion of the stuff canister. The left end of the extrusion screw is connected with the injector head, the right end of the extrusion screw is connected with a motor, and a pushing spiral blade is arranged on the outer wall of the extrusion screw. A material channel is arranged inside the injector head, the left end of the material channel is connected with the mold module, and the right end of the material channel communicates with an inner cavity of the stuff canister. The mold module comprises a fixed mold arranged on a mold right supporting seat, a movable mold arranged on a left supporting seat, a supporting seat guide rod and a position adjusting oil cylinder. The right supporting seat is fixed to a sliding seat, the left supporting seat can move leftwards and rightwards on the sliding seat, and the sliding seat can slide leftwards and rightwards on the base. The fixed mold is provided with a feeding port connected with the material channel of the injector head. The efficient-dehumidification injection molding machine can substantially reduce the moisture content of plastic materials and improve product quality.

The invention provides an operation mechanical arm positioning system. The system comprises an operation mechanical arm, a fluoroscopy device, a processing device, a space three-dimensional positioning device and a control device, wherein an A group of calibration bodies are fixed relative to the operation mechanism arm; a B group of calibration bodies are fixed relative to the fluoroscopy device,and a target object is shot from at least two angles to form at least two fluoroscopy images; the processing device receives the fluoroscopy images, target projection points are selected in the images respectively according to an external input instruction, according to the position relation between the target projection points and a light source and the position relation between at least image receiving planes of the target projection points, the space position of a target actual point relative to the B group of calibration bodies is determined, and space position data of the actual point isgenerated; the space three-dimensional positioning device forms the three-dimensional relative position relation of the A group of calibration bodies and the B group of calibration bodies; the control device controls the operation mechanical arm to move to the space position of the target actual point according to the three-dimensional relative position relation and the space position of the actual point. The operation mechanical arm positioning system improves the positioning automation degree, reduces the operation complexity, and is accurate in positioning.

The invention provides a planetary shaft, a limiting device and a planetary wheel assembly device, and relates to the technical field of limiting devices. The planetary shaft includes a shaft body, and a sidewall of the shaft body is provided with a through oil outlet hole extending in the radial direction. The center of the top end of the shaft body is provided with an input hole in the axial direction, and the bottom end of the input hole communicates with the oil outlet hole. The top end surface of the shaft body is provided with a limiting groove in the radial direction, one end of the limiting groove communicates with the input hole, and the other end of the limiting groove penetrates the side wall of the shaft body. The length direction of the limiting groove is parallel to the axialdirection of the oil outlet hole. The limiting device is used for limiting the planetary shaft. The planetary wheel assembly device comprises a frame and the limiting device, and the limiting deviceis disposed on the frame. The frame is further provided with a positioning plate, an assembly disc and an assembly mechanism. The oil outlet hole of the planetary shaft is arranged parallel to the limiting groove, so that positioning is highly convenient and the position precision is high.

The invention relates to the technical field of locomotive equipment, in particular to a servicing work method for a locomotive roof, and the servicing work method for the locomotive roof is high in degree of automation, high in operation efficiency and rapid and accurate in positioning. The servicing work method for the locomotive roof comprises the following steps that a main control system controls a servicing robot to move, in the moving process, an imaging module obtains the image information of the locomotive roof and uploads the image information to the main control system, and the maincontrol system obtains the position information of a locomotive roof assembly according to the image information of the locomotive roof and controls the servicing robot to be moved to the pantographdetection preset position and the insulator cleaning preset position separately so as to detect a pantograph and clean an insulator.