41 results about "Position circle" patented technology

This invention relates to one global position system and method applied in one electron information process device, which comprises the following steps: sending or providing the electron information process received current position geography coordinate information to multiple scene position information and relative map data servo end; then according to current position geography coordinate information to give out current position circle certain range total scene; according to user selection and order to determine one scene order to compute the best guide route to the selected scene.

The invention relates to an assembly machine, in particular to a full-automatic assembly machine for a clamping spring and a clamping spring groove of an air inlet of a supercharger housing. The full-automatic assembly machine for the clamping spring comprises a working platform, two air cylinders, a manipulator and a bracket, wherein the air cylinders are supported above the working platform through the bracket; a piston rod of one air cylinder is arranged over against a platform surface of the working platform; the bottom of the lower end of the piston rod is fixedly connected with a pressing shaft; the bottom of the lower end of a piston rod of the other air cylinder is fixedly connected with a guide sleeve; a base is arranged on the platform surface of the working platform; a positioning circle is arranged on the base; and after a workpiece is clamped and fixed, the manipulator is used for feeding. The full-automatic assembly machine has the advantages that the assembly machine adopts pneumatic power, and adopts the manipulator for the feeding; the automation degree is high; manual operation is not required; a labor force is saved; the work efficiency is improved greatly; a finished product rate is increased greatly; waste products are reduced; and potential safety hazards of staff are avoided.

The invention discloses a calibration template and a template detection method, device and terminal. The calibration template comprises at least one calibration circle set and at least three positioning circle sets. The circle centers of the positioning circle sets are not located on the same straight line. Each calibration circle set comprises at least two calibration circles with the same circle center, a circular ring is formed by the calibration circles in each calibration circle set, and the colors of the circular rings are different from the colors of adjacent areas. Each positioning circle set comprises at least two positioning circles with the same circle centers, a circular ring is formed by the positioning circles in each positioning circle set, and the colors of the circular rings are different from the colors of adjacent areas. Each positioning circle set comprises a first characteristic ring and a second characteristic ring, wherein the radius of the first characteristic ring is not equal to that of any positioning ring in the positioning ring sets, and the radius of the second characteristic ring is not equal to that of any calibration ring in each calibration ring set. The calibration template is not prone to interference of the external environment, and the template detection accuracy is improved.

The invention discloses an optical location method based on double-color reverse nearest neighbor query. The double-color reverse nearest neighbor query technology in a spatial database is used, the space quartering method and the Thiessen polygon are used in the optical location method, and it is guaranteed that query results have maximum reverse nearest neighbors so as to enable the minimum distances from the query results to the corresponding reverse nearest neighbors to be maximum. The optical location method includes the steps that firstly, nearest position circle domains of all client points are generated; secondly, the quartering method is used for finding out a rectangular region, and the rectangular region is made to fall in intersection sets of the nearest position circle domains as much as possible; thirdly, two effective pruning rules are used for pruning nearest position circle domain sets related to the rectangular region obtained in the former step; finally, an optical location point is find out according to the pruned nearest position circle domain sets and the Thiessen polygon. According to the optical location method, the searching space for query is greatly reduced, the query efficiency is obvious better than that of an existing method, and the optimal performance is provided.

The invention provides a satellite antenna. The satellite antenna comprises a spherical crown base, a plurality of positioning circles are defined on the spherical crown base, a plane where each positioning circle is located is parallel to the base surface of the spherical crown base, and a plurality of antenna units are uniformly distributed along the circumference of each positioning circle. Theinvention also provides another satellite antenna. The satellite antenna comprises a rectangular substrate, the rectangular substrate is provided with an array consisting of M*N antenna units, wherein M and N are positive integers. According to the satellite antenna and the satellite navigation signal enhancement method, the L-frequency-band direct-sending navigation signal with stronger power can be broadcast by the low-orbit satellite, the signal landing power is greatly improved, the navigation anti-interference capability is improved, multiple continuous coverage is formed for a target area through adoption of an antenna staring beam technology, and the local navigation enhancement service which can be flexibly deployed in the global range is achieved.

A golf swing instruction tool for positioning a golfer in accordance with a golf schematic representing a preferred golf swing includes an elongated shaft having a plurality of sides, a series of ball position circles, a pair of stance lines, a plurality of posture sight lines, a takeaway sight line, a downswing sight line, and a follow through sight line.

A machining method of a turbine rotor comprises the following processes of step a, performing rough turning on a pressure air end, a turbine disk and a turbine end of a turbine shaft; step b, performing drilling and heat treatment on a lifting hole; step c, performing heat treatment on the turbine shaft; step d, performing half-finished turning on the pressure air end, the turbine disk and the turbine end of the turbine shaft; step e, grinding outer circles and an end surfaces; step f, aligning the ground outer circles and end surfaces and performing finish turning on the pressure air end, the turbine disk and the turbine end of the turbine shaft; step g, grinding a tongue groove positioning circle and a key groove positioning circle; step h, aligning the tongue groove positioning circle and broaching a tongue groove; step i, aligning the key groove positioning circle and milling a key groove, an air guide wheel key groove and a pressure air impeller key groove; step j, performing finish turning an air sealing groove, an oil sealing groove and a center hole; step k, grinding stages of outer circles and end surfaces; step l, performing rounding on the key groove and performing deburring and chamfering on the tongue groove; step m, installing an air sealing ring on the turbine shaft; step n, performing finish turning on the end surface of the total length of the pressure air end and performing smooth transfer and polishing on the outer circles; step o, performing finish turning on the air sealing ring and performing smooth transfer and polishing on the outer circles; step p, performing appearance inspection. According to the machining method of the turbine rotor, the rotary accuracy of the turbine rotor is improved.

The invention relates to a motor end cover sealing device capable of preventing dust and sand from entering the interior of a motor. A plane and a positioning circle step are machined at the inner side of a motor end cover at the motor shaft extension end of the motor; a rubber oil seal seat is arranged on the positioning circle step; the rubber oil seal seat comprising a seat body and a cover plate is fixed on the motor end cover through bolts; a rubber oil seal is arranged in the rubber oil seal seat; a lip of the rubber oil seal faces to the motor end cover; the inner ring of the rubber oil seal closely clings to a motor shaft; and a tension spring ring is arranged in the groove lip of the rubber oil seal. The motor end cover sealing device can prevent dust and sand from entering the interior of the motor through a shaft hole gap of the motor end cover to damage a bearing part and burn out the motor and can also prolong the service life of the motor. The motor provided with the motor end cover sealing device is particularly suitable for occasions with more sand dust and dust.

The invention discloses a boarding springboard, comprising a springboard body, a swing bar and a telescopic pneumatic tie bar. The springboard body comprises a springboard, two sides of the springboard are provided with protective railings, four corners of the springboard are provided with runners, and a positioning circle block for fixing on a ship fixing hole is arranged at the lower part of oneside of the springboard. The swing lever is secured together by two joints, and a first connecting rod and a second connecting rod formed at an obtuse angle, wherein the end of the first connecting rod is provided with a runner for sliding on the ground, one end of the telescopic pneumatic pull rod is connected with the second connecting rod and the other end is connected with the springboard, and when the first connecting rod is driven to act, the telescopic pneumatic pull rod drives the springboard to act, so that the positioning round block is clamped with a fixed hole on the edge of the ship to realize the connection of the springboard and the ship. The boarding springboard has the characteristics of lightweight, movable and quick attachment, and can greatly improve the efficiency ofboarding or disembarking. The boarding springboard can be widely used for boarding and disembarking the ships when ships dock.

The invention discloses a workpiece clamping device with an elastic sheet positioning reference, and belongs to the technical field of tooling fixtures. The workpiece clamping device comprises a disc body and clamping jaws, wherein the clamping claws comprise a first clamping jaw and a second clamping jaw; a first positioning member is arranged on the first clamping jaw; the second clamping jaw is provided with a second positioning member; the first positioning member and the second positioning member perform are positioned in a cooperative manner; the first positioning member consists of a first positioning member body and an elastic sheet; an elastic sheet positioning opening is formed in the upper end part of the elastic sheet; a second positioning member positioning opening is formed in the upper end part of the second positioning member. The workpiece clamping device disclosed by the invention is simple in structure, convenient to use, and safe and reliable, and can meet drawing requirements. Through the adoption of the workpiece clamping device, a processing surface and the axis of a workpiece can be effectively guaranteed to be parallel to each other, so that the positioning circle of the workpiece does not deviate when the workpiece is fastened.

The invention discloses a non-checkerboard-pattern calibration plate for a calibrating white light scanner. The non-checkerboard-pattern calibration plate comprises a backboard and a calibration plate, wherein a cavity with an opening is formed in the center of the backboard, a light-emitting plate is fixedly arranged in the cavity, the calibration plate is fixedly arranged at the opening of the cavity, marker circles with the same size are arranged on the surface of the calibration plate in an rectangular array manner, positioning circles are arranged in the marker circles, central circles are arranged in the centers of the positioning circles, and at least one auxiliary circle is arranged beside the central circles. According to the non-checkerboard-pattern calibration plate, positioningcircles are arranged in the rectangular-arrayed marker circles, and each positioning circle has unique parameter information, so that the calibration of the position is conveniently finished; the calibration plate is produced from a light-transmission material, and the marker circles are produced from a light-shading coating, so that a high-contrast calibration plate is formed, and errors are reduced; the positioning circles are few; and by aligning the scanner with any one positioning circle, coordinate information can be calculated, and the corresponding position calibration can be finished, so that the calibration plate has relatively strong operability and is relatively convenient.

The invention discloses an intelligent counter product label structure and an identification system. The intelligent counter product label structure comprises a counter body and an input generation module which is connected with the counter body through a wireless network signal; an interior of the counter body is provided with a product and a scanning identification module; a surface of the product is provided with a label subassembly; the label subassembly includes an identification outer frame and an identification positioning circle disposed at an interior of the identification outer frame; the input generation module includes a cloud information string input module, a storage module and a checking module which are respectively connected with the cloud information string input module,and an information mapping module and a label generation module which are sequentially connected with the checking module; and the scanning identification module includes a mark positioning module, and a label correction module, a distance measurement module and an integrated scanning module which are sequentially connected with the mark positioning module. With the intelligent counter product label structure and the identification system, the problems in the prior art that an implementation cost of the intelligent vending counter identification mode is high and the information is unsafe due to the fact that the information is easily read by universal identification software are solved.

The invention discloses a linkage conductive system device. The linkage conductive system device comprises a fixed contact and a moving contact, wherein the moving contact is mounted opposite to the static contact; one end of the moving contact is provided with a moveable arc-isolating piece, and the other end of the moving contact is provided with a conductive flexible connector, and one end of the conductive flexible connector is provided with a connecting plate; the moving contact is assembled on a rotating shaft, and the rotating shaft is provided with a rotating shaft positioning circle;the rotating shaft is provided with a connecting rod, and the connecting rod and the rotating shaft are fixedly connected with each other through a connecting rod shaft; one end of the connecting rodis provided with a connecting rod lower shaft, and one end of the connecting rod lower shaft is equipped with a baffle; and one side of the baffle is provided with a permanent magnet device body. According to the linkage conductive system device provided by the invention, when the permanent magnet device body is electrified instantly to work, the baffle moves to the closed limit and drives the connecting rod, so as to pull the rotating shaft to move around the rotating shaft positioning circle; the moving contact and the fixed contact are conducted and electrified, and otherwise, the moving contact and the fixed contact are disconnected and not electrified; and besides, the reaction is fast, the structure is reasonable and the stability is good.

The invention provides a container monitoring system. A GPS positioning module determines the position of a container. When the container enters a position circle, the GPS positioning module feeds back information to a server side in time, a detecting module is started for starting to detect the ascending height or the descending height of the container and information of the ascending height or the descending height of the container is fed back to the server side. The monitoring system can remotely monitors the condition of the container in the transporting process and can monitor the unloading condition of the container at the fixed position, and monitoring of a logistics company for the container is facilitated. By setting the position circle, the ascending height or the descending height of the container is detected at the fixed point, and the phenomenon that in the transporting process, large errors of the detection height appear due to different air pressures at different placescan be avoided. Meanwhile, in the transporting process, the container height detection frequency becomes low, and electricity can be saved.