414results about How to "Orientation is accurate" patented technology

The invention relates to a device for hingedly connecting a wiper blade (12) to a wiper arm (10) of a wiper, comprising a connecting element (20) fixedly connected to the wiper arm (10) and a The support part (14) of the water sheet (12) is fixedly connected to the connecting part (16), which has at least one side pointing towards the connecting element (20) on each longitudinal side starting from the base part (22) Walls (26, 28, 44), these side walls support the bearing bolts (30), on which the plastic adapter (18) is rotatably supported, wherein the adapter (18) passes through The positioning elements (46, 56, 58) as well as the retaining elements (68, 60, 62) are fixed in the contour of the connecting element (20) open towards the connecting part (16) and embedded with a part (44, 52) in the side wall ( 26, 28) in the space between. It is proposed that a part (38, 40) of the side wall of the adapter (18) covers the side wall (26, 28) of the connecting part (16) from the outside, while another part (44) of the side wall is biased inwardly The side walls (26, 28) of the connection part (16) are covered from the inside.

The invention discloses an intelligent wheelchair and a control method thereof. The intelligent wheelchair comprises an intelligent wheelchair body, a front laser radar, a rear laser radar, an input device and a processor, wherein the front and rear laser radars are arranged on the intelligent wheelchair body, the input device receives a command input by a user, and the processor obtains an establishment command of a map, establishes a map of the current environment according to the establishment command and the received information of target points in the current environment, and saves the map, wherein the information is returned by the front and rear laser radars after the front and rear radars scan the current environment. The processor obtains a driving command for indicating the to-be-reached named place in the current environment, and controls the intelligent wheelchair to move the named place according to the driving command and the map of the current environment. According to the intelligent wheelchair and the control method thereof, the intelligent wheelchair automatically travels to the destination through navigation according to the command of the user, the operating steps of the user are simplified, and the requirements are met.

The invention discloses a three-dimensional positioning and guiding device for penetrating a vertebral pedicle through skin. The three-dimensional positioning and guiding device for penetrating the vertebral pedicle through the skin comprises a base, dip angle measuring devices and a measuring device supporting rod, wherein guiding grooves are arranged in length wise frame edges of the base, two dip angle measuring devices are matched on the measuring device supporting rod in a sliding mode, and an arc-shaped guiding groove is arranged in each dip angle measuring device. A bar-shaped hole is arranged in the measuring device supporting rod, a puncture needle guiding tube is in hinge joint with the dip angle measuring devices, and the puncture needle guiding tube penetrates through the bar-shaped hole. A guiding pin is arranged on the puncture needle guiding tube and is matched with the arc-shaped guiding grooves, marking needle fixing holes are arranged in the middle portion of the measuring device supporting rod, and two ends of the measuring device supporting rod are cylindrical segments. The measuring device supporting rod is matched with the guiding grooves in a sliding mode through sliding blocks, the cylindrical segments of the measuring device supporting rod extend out of the sliding blocks and are connected with a positioning rod, and the positioning rod is in the same plane with the measuring device supporting rod and the puncture needle guiding tube. The three-dimensional positioning and guiding device for penetrating the vertebral pedicle through the skin is capable of three-dimensional positioning and guiding and shortening the operation time, high in efficiency, accurate in guiding and capable of improving the achievement ratio of operation.

The invention relates to the technical field of an electric appliance, in particular to a cover closing structure of a household appliance. The cover closing structure comprises a support ring, a face cover and a position limiting guide mechanism, wherein the face cover can be buckled with the support ring; the position limiting guide mechanism is used for performing guiding and position limitation on the buckling of the face cover and the support ring. The cover closing structure of the household appliance provided by the invention has the advantages that through the arrangement of the position limiting guide mechanism used for performing the guiding and position limitation on the buckling of the face cover and the support ring, when the face cover and the support ring are buckled, the position limitation on the position of the face cover is realized; the deviation of the face cover in the buckling process is prevented; an accurate guiding effect can be achieved even when a user closes the cover through pressing the side part of the face cover, so that the face cover and the support ring can be accurately buckled; the normal use of the household appliance with the cover closing structure is ensured. The invention also relates to an electric rice cooker or an electric pressure cooker and the household appliance.

A cutting and trimming machine for plastic pipes comprises a frame and a pipe cutting and trimming mechanism. The frame comprises an upper frame and a lower frame, A front slide rail mounting rod and a rear slide rail mounting rod are mounted on the upper frame and the lower frame. A front slide rail and a rear slide rail are mounted on the front slide rail mounting rod and the rear slide rail mounting rod. A front slider and a rear slider rail are disposed on the front slide rail and the rear slide rail. The pipe cutting and trimming mechanism is disposed on the front slider and the rear slider. The pipe cutting and trimming mechanism comprises a left main plate, a middle main plate and a right main plate. A motor is mounted below a base plate. A left pipe clamp and a left pushing air cylinder are mounted outside the left main plate. A right pipe clamp is mounted outside the right main plate. A left hobbing cutter cylinder bearing, a cutter holder push plate, a cutting feeding rack, a hobbing cutter cylinder and a right hobbing cutter cylinder bearing are disposed between the left main plate and the middle main plate. An upper mounting rod, a lower mounting rod and a cutter feeding rack slide rail are disposed on the hobbing cutter cylinder. A pipe cutting device is mounted on the upper mounting rod. A pipe trimming device is mounted on the lower mounting rod. The cutter feeding rack which contacts with the cutter holder push plate is disposed outside the hobbing cutter cylinder. An upper fixing rod and a lower fixing rod are disposed on the cutter feeding rack. A hobbing cutter guide rack matched with the pipe cutting device is disposed on the upper fixing rod. A roller guide rack matched with the pipe trimming device is mounted on the lower fixing rod. A belt pulley connected with a motor shaft through a belt is disposed between the middle main plate and the right main plate.

A fruit automatic orientation slitting and coring device includes at least one independent channel. Two clamping belts are respectively wound on active belt rollers and positive belt rollers. A pair of active belt rollers rotates at the same speed and in reverse direction. The linear velocity and the direction of the tight sides of the two clamping belts are uniform. Two oriented belts are arranged under the clamping belts. The velocity difference is provided between the oriented belt and the clamping belt. The moving directions are uniform. The tight side of the oriented belt which is arranged in a V-shaped groove and moves levelly and straightly drives fruit to rotate. A milling is equipped with a disc sickle with sharp triangle teeth, the edge line of which coincides with the central line of the independent channel. A float cutting guide device is arranged above the disc sickle. When the disc sickle comes across a flinty kernel, the float cutting guide device moves upward. Therefore, the disc sickle is protected from being damaged. The disc sickle continuously applies forces on the kernel to lead to the loosening combination between the kernel and the flesh. And the kernel is separated from the flesh. The device is provided with high operation efficiency. Complete valves can be obtained. And the device is applied to the slitting and coring of fruits with kernels, such as the plums apricots, etc., with ovum shape.

The invention discloses a method and device for displaying associated dimension points on an electric map interface. The method comprises the following steps: determining the types of facilities of POI (Point of Interest) data identified by dimension points selected by a user at present; in the adjustable area range of the electric map interface, obtaining a POI association composed of the POI data of which the types are same with the types of facilities corresponding to the dimension points selected by the user; and on the electric map interface, distinctly displaying the dimension point corresponding to each POI data in the POI association. According to the method and the device, the user can quickly and accurately directionally look for a target POI through the dimension points distinctly displayed on an electric map, the user is convenient to search the POI, the search efficiency is increased, and the user experience is improved.

The invention discloses a whole-zone electric coupling source frequency domain magnetic sounding method and a device thereof; the magnetic sounding method comprises the following steps: (1) a transmission power source (generating set) is arranged, the transmission power source is connected with a multiple frequency current transmission machine and the multiple frequency current transmission machine is connected with two current-supply electrodes A and B; (2) a transmission-reception distance r is selected, a reception magnetic probe is arranged and is connected with a reception machine; (3) the transmission power source, the multiple frequency current transmission machine and the reception machine are started, the multiple frequency current transmission machine transmits the current of designated wave form, voltage, volume as well as frequency to the underground via the current-supply electrodes A and B, the reception machine measures the magnetic field responses of each frequency component from the underground simultaneously, the relevant parameters are automatically stored into a memory and the apparent resistivity of near zone, far zone and medium zone can be automatically calculated respectively according to relevant formulas, automatically drawn out and stored. The invention also comprises the corresponding devices. The whole-zone electric coupling source frequency domain magnetic sounding method is suitable to be used for underground electrical distribution observation in the whole zone (including the near zone, the medium zone and the far zone), used for investigating underground geological structure and mineral product distribution or solving other engineering, hydrological as well as environmental geological problems, and has high observation efficiency, high accuracy and simple equipment.

The invention discloses an L-capacitance-L (LCL)-filtering-based controlled rectifier parameter identification method, which belongs to a parameter identification method suitable for LCL filtering. The LCL-filtering-based controlled rectifier parameter identification method comprises the five following steps of: 1, acquiring short-circuit current; 2, performing genetic-algorithm-based parameter identification; 3, acquiring an initial phase angle of a power grid in starting; 4, estimating a virtual power grid flux linkage value in real time under LCL filtering condition; and 5, acquiring an orientation angle of a system under the LCL filtering condition. The method has the advantages that: 1, parameters of the power grid are identified by adopting a genetic algorithm, so an initial virtual flux linkage value and phase of the power grid can be more accurately observed, and the steady starting of a rectifier is realized; 2, the resonance frequency of an LCL filter is obtained in combination with inductance in the power grid, and a reliable basis is provided for the resonance suppression of the LCL filter; and 3, accurate virtual power grid flux linkage orientation is provided for the sensorless running of the LCL-filtering-based controlled rectifier, and the stable running of the system can be controlled.

A feeding, shearing and sticking machine for the flexible Fe-base thin band used for anti forge metallic labels is composed of a band shaping unit, a band piloting and feeding unit consisting of piloting plate, clamping plate, clamping cylinder, motor, etc, an electromagnetic sucking-transferring unit consisting of DC electromagnet and sucking plate, and a shearing-sticking unit consisting of shearing cylinder, shearing blade, lower sheering edge sticking cylinder, etc.

The invention provides a die forging process for a final stage blade of a large half-RPM (Revolution per Minute) nuclear turbine. The die forging of only single forging die is required to ensure the die forging forming of a blade forge piece, so that the manufacturing cost of the blade is reduced, the die forging cycle is shortened, and the processing efficiency is improved; moreover, the correction times inside the die of the blade forge piece is effectively reduced, and the production capacity of forging is increased. The invention has the technical scheme comprising the following steps of: upsetting a bar by using an oil press, stretching the bar in radial direction to prepare a blank, and forging the stretched blank in a forging die for forming; then, thermally cutting off the flashing fins for the die forging, and thermally correcting for the die forging; and finally, thermally treating. The process is characterized in that the radial stretching for preparing the blank adopts an electro-hydraulic hammer to carry out free forging and stretching to prepare the blank, and the blank is optimized into the structure with most circular cross sections and partial flat square cross sections. The invention also provides a special die which comprises an upper die and a lower die, wherein the four corner endss of the upper die are provided with guide pillars, and the lower die is correspondingly provided with guide sleeves. The special die is characterized in that the outer sides of the die cavities of the upper die and the lower die are side upright wall structures which are mutually overlapped, and the guide pillars and the guide sleeves are respectively arranged on the side upright wall structures of the upper die and the lower die.

The invention discloses a demolding mechanism of a plastic injection mold with a convex ring cylindrical product at the outer side. The demolding mechanism is characterized by comprising an upper compound plate and a lower compound plate, wherein a waste pull rod is arranged in the upper compound plate; a waste push plate is arranged below the upper compound; a core is arranged below the waste push plate; a waste is arranged between the core and the waste push plate; an elastic block groove is formed in the core; a fixed-distance screw is arranged in the elastic block groove; an elastic block is connected below the fixed-distance screw; an ejection spring is arranged outside the fixed-distance screw; spring grooves are formed in the upper compound, the waste push plate and the core; springs are arranged in the spring grooves; a waste push plate fixed-distance push rod and a core fixed-distance pull rod are arranged on the waste push plate; mold feet are arranged on the lower compound; an upper thimble plate and a lower thimble plate are arranged between the mold feet; inclined ejection block ejection rods are mounted on the upper thimble plate and the lower thimble plate; a lever is arranged between the upper thimble plate and the lower thimble plate; a secondary upper ejection plate and a secondary lower ejection plate are arranged on the lower thimble plate; secondary ejection rods are mounted in the secondary upper ejection plate and the secondary lower ejection plate; a plastic piece push plate is arranged in a support plate; the secondary ejection rods are connected with the plastic piece push plate; a cavity is formed in the support plate; a T-shaped inclined groove is formed in the inner side of the cavity, and is connected with an inclined ejection block; and a groove is formed in the inner wall of the inclined ejection block, and is fitted with a convex ring on the outer wall of a plastic piece.

The invention discloses a transmission line with a barrier, which comprises two double-speed chains arranged symmetrically and in parallel. The first driving gear is set on the hexagonal rod and rotates synchronously with the hexagonal rod. One end of the hexagonal rod is connected with the deceleration motor. The bottom frame on both sides of the hexagonal rod is also provided with positive and negative screw rods. Both positive and negative screw rods are connected to the corresponding gear. The corresponding fixed mounting plates are threaded, and a suction cup assembly is also arranged between the two double-speed chains. The invention can adjust the width of the conveyor belt, has a compact structure, can be positioned, has good blocking effect, and has little damage to products.

The invention discloses an automatic QR (quick response) code positioning and orientating method. The method includes: converting an input image into a grayscale image; binarizing the grayscale image by the self-adaptive threshold algorithm to eliminate noise interference; extracting an grayscale image edge according to an Sobel operator; extracting a profile sequence from the edge by the chain code tracing algorithm; filtering a rectangular profile, filtering a view-finding image from the rectangular profile sequency, and judging whether the image has a QR code or not; and correcting and dividing the QR code. By the automatic QR code positioning and orientating method, QR code positioning and orientating can be realized quickly and accurately in a robustness manner, and QR codes can be extracted from images without manual operations, so that manpower cost and time are saved greatly. The automatic QR code positioning and orientating method is applicable to industrial informationization and automation and has wide application prospect.

A device for applying a product to keratinous fibers comprises a tail having a longitudinal axis X and an application element extending from an end of the tail. The application element may comprise at least a first face and a second face, each of the faces being delimited by two longitudinal edges and extending over at least part of a length of the application element. The first face may form with the axis X a first non-zero angle alpha having a vertex oriented toward a first end of the application element, and wherein the second face may form with the axis X a second non-zero angle beta having a vertex oriented toward a second end of the application element. The second end of the application element may be opposite to the first end.

The invention discloses a directional guiding and branching mechanism for end-closed pipe fittings, and belongs to the field of mechanical equipment for processing and transmission of workpieces. A pushing plate sleeve is arranged on and vertically communicates with the lower side of a pipe storing hopper, a lifting pushing plate slides in the vertical direction and is arranged on the pushing plate sleeve, a feeding guiding pipe is fixedly arranged on a guiding pipe bracket besides the pipe storing hopper, branch guiding pipes are arranged on the two sides of the lower end of the feeding guiding pipe in a symmetrical and communicating mode, a rotating guiding plate is rotatably arranged at the end of the lower side of the feeding guiding pipe, a fixed bearing plate is horizontally and fixedly arranged on the guiding pipe bracket on the lower sides of the two branch guiding pipes, pipe transmitting brackets are horizontally and fixedly arranged on the two sides of the upper part of thefixed bearing plate, and pipe transmitting belts are horizontally arranged on the upper sides of the pipe transmitting brackets. The directional guiding and branching mechanism is reasonable in structural design, the pipe fittings can be conveniently and efficiently arrayed and guided one-by-one in a directional mode, the pipe fittings can be stably, smoothly and evenly branched, fed and transferred in a division mode, the automation degree of pipe fitting transferring and processing are improved, and the needs of processing and using are met.

The invention refers to an apparatus used for taking an aseptic supply (2) from a thin film bag (3), comprising a holding apparatus (6) used for holding a thin film bag (3), an ultrasonic wave cutting apparatus (5) used for cutting the thin film bag (3) by means of an ultrasonic wave cutter (50) and a taking out apparatus (7) for taking an aseptic supply (2) from the thin film bag.

The invention provides a control method for publishing information to a user terminal according to a terminal type in a webpage publishing control system. The method includes: acquiring indicating information for indicating the type of the user terminal, and determining the information to be published to the user terminal according to the indication information. The invention further provides a control device publishing information to the user terminal according to the terminal type in the webpage publishing control system. The control device comprises a first acquiring device and a first determining device. The first acquiring device is used for acquiring the indication information for indicating the type of the user terminal. The first determining device is used for determining the information to be published to the user terminal according to the indication information. The invention further provides an auxiliary control device, a content providing device and a third-party system. The auxiliary control device is used for requesting the information according to the type of the user terminal. The content providing device is used for auxiliarily publishing the information to the user terminal according to the type of the user terminal. The third-party system is used for auxiliarily publishing the information to the user terminal according to the type of the user terminal. By the method and the system, accurate and oriented information publishing can be achieved, and good publishing effect can be achieved.

The invention relates to the field of the exploitation and development of oil and gas fields, and in particular relates to an inclined shaft core fissure orientation method. The method is characterized by comprising the following steps: on the basis of drilling data, calculating well deviation information of a coring interval, calculating the real attitude of a rock stratum according to earthquake data, determining an apparent dip of the core fissure and an angle between the fissure apparent inclination and apparent inclination of the rock stratum according to the core data, designing an inclined shaft core fissure orientation concept on the basis, deriving a corresponding algorithm, and realizing the accurate orientation of the core fissure. By adopting the method, the problem that the inclined shaft core fissure cannot be orientated can be solved, the inclined shaft core fissure orientation accuracy is improved, and the practical value on multiple aspects such as accurately determining the permeation rate advantageous direction of a reservoir stratum of the oil and gas field, the relative position relation of a water filling well and an oil recovery well, direction of ancient stress field in the crack generation period, reasonable layout and development of well networks can be realized.

The invention discloses a directional fracturing device and method for underground drilling. The device comprises a plurality of sections of casing pipes and fracturing pipes which are connected end to end, wherein the casing pipes are provided with directional fracturing control devices, and each directional fracturing control device comprises a screw hole with an adjustable angle and a one-way destructive conical screw matched with the screw hole; and the casing pipes are connected through stroke-controllable threaded connection assemblies or flange connection assemblies, and alignment scribed lines corresponding to the positions of the directional fracturing control devices in the circumferential direction are arranged on the casing pipes, so that the alignment scribed lines and the directional fracturing devices are always aligned. The method is mainly characterized in that after a hole is drilled in a roadway, the casing pipes are sent into the drilled hole, and the annular spacebetween the casing pipes and the drilled hole is sealed by grouting; and fracturing pipes provided with front packers and rear packers are sent into the casing pipes, and after entering the casing pipes from the fracturing pipes, the pressurized fluid flushes the casing pipes to fracture the coal rock mass when the pressure reaches the maximum bearing pressure of the directional fracturing controldevices. According to the directional fracturing device and method for underground drilling, provided by the invention, the fracturing direction is controllable, and various directional expansion forms can be realized.

The invention discloses an inclined core-pulling mechanism of an injection mould spring sliding block. The inclined core-pulling mechanism comprises upper and lower compound plates, wherein a positioning ring and a sprue bushing are arranged in the upper compound plate; a cavity is arranged below the upper compound plate, a perforation is formed in the lower compound plate, and a limiting pin and mould feet are arranged on the lower compound plate; the mould feet are provided with upper and lower thimble plates, a push rod of an injection machine passes through the perforation so as to contact with the lower thimble plate, a thimble is arranged between the upper and lower thimble plates, a core is arranged on a supporting plate arranged on the mould feet, and a plastic piece is arranged between the core and the cavity; an inclined hole is formed in the plastic piece; the inclined core-pulling mechanism of an injection mould spring sliding block is characterized in that an inclined loose core groove and a spring groove are formed in the core, an inclined loose core is arranged in the inclined loose core groove, one end of the inclined loose core is provided with a stopper, and the outer wall of the inclined loose core is provided with an inclined loose core spring; one end of the inclined loose core spring is contacted with the bottom of the inclined loose core groove, the other end of the inclined loose core spring is contacted with the stopper, the supporting plate is internally provided with a tapered wedge, and the top of the tapered wedge is contacted with the stopper; the spring groove is internally provided with a spacing spring and a spacing pull nail, one end of the spacing pull nail is contacted with the top of the core, and the other end of the spacing pull nail passes through the core so as to be fixed with the supporting plate.

The invention provides a rotor resistance and stator resistance online identification method for an induction motor used for low speed electric vehicles. The identification for rotor resistance and the identification for stator resistance are realized based on an improved rotor flux linkage model and an improved stator flux linkage model respectively, and the identification precision is improved through interactive updating of the rotor resistance and the stator resistance. The rotor flux linkage voltage model is optimized by using a high-pass filter with variable cut-off frequency on the basis of the advantages of the rotor flux linkage model, so that the problems of direct current bias and integral saturation caused by a pure integral link are effectively avoided. Moreover, based on theonline identification of the improved stator flux linkage model for stator resistance, the identified stator resistance is fed back to the rotor flux linkage voltage model, so that the problem that the identification precision of rotor resistance is reduced by the change of the stator resistance is avoided. The method is applied to rotor flux linkage oriented vector control systems, so that the rotor flux linkage orientation is more accurate, efficient operation of a control system for the induction motor used for vehicles is guaranteed, and the dynamic property and reliability of the whole vehicle are improved.