260results about How to "Achieve shaping" patented technology

An implantable rod can be bent three-dimensionally in an automated system, which is especially useful for pre-surgical formation of implantable spinal rods. When local and/or global feedback processing accompanies a series of shaping steps automatically imposed on a rod or other article being shaped into three-dimensional form, formation time may be expedited compared to manual creation, and shapes difficult or impractical to create manually may be constructed simply.

The invention discloses a design method of a double-free-form-surface lens for laser beam shaping and belongs to the technical field of non-imaging optics and laser beam shaping. An initial structure of the double-free-form-surface lens is set according to design requirements, the double-free-form-surface lens meeting lighting requirements is designed according to the relation of energy conservation, the refraction law and the optical path and with the assistance of a computer, and therefore after incident laser beams pass through the lens and are deflected, preset strength distribution and preset phase distribution are generated. The double-free-form-surface lens comprises double free-form surfaces, namely the front surface and the rear surface, and in addition, the front free-form surface and the rear free-form surface are obtained through surface fitting discrete data points. The invention further discloses the double-free-form-surface lens for laser beam shaping based on the method. A continuous free-form-surface form is obtained, the surfaces can be processed, regulating of strength distribution and phase distribution of the laser beams can be achieved at the same time, the control capability is strong, and the design efficiency is high.

The invention relates to a hydraulic type aligning device inside a pipeline, which is used for the welding construction of a long-distance oil and gas transporting pipeline and mainly comprises a shell, a hydraulic power station, a sliding mechanism, an expanding mechanism, a running mechanism and a straightening mechanism. Furthermore, the hydraulic type aligning device inside a pipeline is characterized in that a jacket of a hydraulic station is internally fixed with the hydraulic power station, a jacket of a liquid tank is internally provided with a hydraulic cylinder, a main shaft is sleeved with a rear sliding sleeve and a front sliding sleeve, and the other end of a traction frame is fixed to the end part of the rear sliding sleeve. Furthermore, the rear sliding sleeve is driven by the hydraulic cylinder to reciprocate on the main shaft, each sliding sleeve adopts an articulated axle fixed with two main top plates and a parallel top plate, an isoceles triangle is formed by the two main top plates, and the parallel top plate is fixed with two support pillars and a jacking. The invention can realize pipe opening alignment, stable and reliable positioning, large pushing force and pipe opening shaping, and can slightly adjust the lifting height and enhance the centric precision of fitted up pipe openings. In addition, the invention has light weight, low price and simple structure.

The device is composed of laser, telescope, deformation lens, CCD camera, D/A conversion card, high voltage amplifier, variable density attenuation disc, main control computer, image collection card, focusing lens, and genetic control algorithm. Using genetic algorithm to control the deformation lens, changing phase distribution of near field wave surface of laser beam, the invention reaches the purpose of changing light spot form in far field. The invention can realizes shaping laser beam without need of calculating relational expression between shape of light spot in far field and phase in near field. Gauss laser beam can be shaped to super Gauss beam, quadrate beam etc needed in practical application. The invention also can implement correcting static and quasi-static aberration included in laser beam effectively. Features are: simple structure, good generality, and easy of implementation. The invention is applicable to situation requiring specific shape of laser beam.

The invention discloses a service scheduling method, which comprises the steps as follows: a beginning time scale and an ending time scale of each real time service sending chance are obtained; the beginning time scale and the ending time scale are ordered to generate a scheduling sequence; the scheduling sequence confirms an actual sending position of each real time service sending chance; and data is sent according to the scheduling sequence. The invention also discloses a service scheduling device, which improves the utilization rate of network resource and realizes the shaping and the scheduling of a variable-length packet service stream.

The invention discloses a lithium battery cathode assembling machine which comprises a working platform, wherein a steel shell feeding device, a lithium sheet feeding and shearing device, a lithium sheet transferring device, a cathode shaping device, a steel shell transferring device and a cathode rolling device are sequentially arranged on the working platform, and all the devices are connected with a main control circuit. The invention solves the problems of low speed and low efficiency for manually assembling the cathode of a lithium battery, has the advantages of good assembling quality and high efficiency, improves the operating environment, and saves the cost. The lithium battery cathode assembling machine has a simple structure; when the cathode is assembled, the lithium sheet is firstly fed, and then sheared; the sheared lithium sheet is fed into a shaping working station, and subjected to low shaping, left and right shaping and upper shaping, and then loaded into a steel shell; and the steel shell loaded with the cathode is fed to a rolling position for rolling, and then the steel shell subjected to the rolling is conveyed and discharged, therefore, the automatic feeding,shaping and assembling of the lithium battery cathode are realized.

A method and apparatus for controlling arc shielding gas during an arc welding operation is disclosed. The method may include the steps of actuating a first valve connected to an arc initiation source of gas to selectively allow arc initiation gas to flow through a mixing chamber; initiating an arc; actuating a second valve connected to a primary shielding source of gas to selectively allow primary shielding gas to flow through the mixing chamber; actuating the first valve to reduce, if needed, the arc initiation gas flow from the arc initiation source of gas; and continuing with the arc welding operation. The arc welding operation may also include actuating the first valve to cause the arc welding operation to operate in a different metal transfer mode when it is desirable, or when the arc welding operation is nearing completion.

The invention discloses a device for shaping and collimating elliptic laser spots of semiconductor lasers, which comprises at least a non-rotational symmetric lens arranged on the propagation path of laser beams emitted by a semiconductor laser, the lens comprises a first surface and a second surface, the first surface is used for realizing the purpose of collimating laser beams propagated in the direction of a fast axis, and the second surface is used for carrying out beam expansion and collimation on laser beams propagated in the direction of a slow axis. The device disclosed by the invention has the advantages of less adopted optical elements, small size and capability of shaping and collimating elliptic laser spots, thereby fully meeting the application requirements of micro-projector optical systems of MEMS (micro-electro-mechanical system) galvanometers.

The invention discloses a flat-top light beam shaping control method for achieving an abrupt edge and low light-intensity variation and a shaping device thereof, and the flat-top light beam shaping control method and the shaping device relate to a flat-top light beam shaping device for achieving the abrupt edge and the low light-intensity variation, and further relate to a shaping control method, so as to solve the problems in the prior art that a position cannot be flexibly set to shape a light beam, the shape and the caliber of the shaped light beam cannot be changed flexibly, the edge is not abrupt, and further, the flat top light-intensity variation of the light beam is large. A lens in the shaping device provided by the invention is positioned between a surface where an optical phase array is positioned and an output surface; the light beam passes through the optical phase array, and then goes through a Fourier transform lens, so that the light beam is shaped; a light field is obtained at the output surface; and an intensity distribution collecting module collects the intensity distribution of the light beam of the shaped light field of the output surface and outputs the intensity distribution of the light beam to a processor module, and judges whether to adjust the phase of the optical phase array or not through calculating an RMSE (root-mean-square error ) value. By using the device provided by the invention, the anticipative shaping of the light beam is achieved by the shaping control method. The flat-top light beam shaping control method and the shaping device are applied to the technical field of diffraction optics and laser shaping.

The invention discloses a shaping device for a storage battery electrode group and belongs to the field of battery processing. An existing shaping device can achieve functions through two different drivers. The shaping device disclosed by the invention comprises a shaping part and a driving part, wherein the shaping part comprises a fixed frame, at least one pair of rotating bars is rotatably connected to the fixed frame side by side, each rotating bar comprises a driving arm at the upper end and a driven arm at the lower end, the driven arm is connected with a shaping plate, the driving part comprises a guide plate and a driving component for driving the guide plate to ascend and descend, at least one pair of guide grooves corresponding to the rotating bars is formed in the guide plate, and the driving arms are connected with the guide grooves through linkage levers. In a descending process of the guide plate, the linkage levers move along the guide grooves to drive the adjacent rotating bars to rotate, the driving arms relatively keep away to enable the driven arms at the lower ends to be close to one another, and the side wall of an electrode lug is clamped by the shaping plate; and in an ascending process of the guide plate, the rotating bars are driven to restore, the driven arms are relatively separated, and the electrode lug is loosened by the shaping plate.

The invention provides a multi-subchannel gain flat device and a method and relates to adjustment of subchannel gain in an optical communication system. The multi-subchannel gain flat device and the method comprise a wavelength choice switch, an optical amplifier and an optical splitter. The multi-subchannel gain flat device and the method further comprise an adjustable filter, an optical power detector and a control unit, and all parts form a monitoring loop of multi-subchannel frequency spectrum. The control unit controls the wavelength choice switch and the adjustable filter, an input signal enters into the wavelength choice switch and is output by the wavelength choice switch, the input signal enters into the optical splitter through the optical amplifier, the optical splitter splits signal light of part of power and reflects and the signal light is sent into the adjustable filter, the adjustable filter filters the signal light of par of subchannels and the signal light is input into an optical power detector, the optical power detector inputs a detecting result into the control unit, the control unit calculates decrement which corresponds to different subchannels and controls the wavelength choice switch to achieve gain flatness. A spectrometer is not used so as to reduce hardware cost, achieve automatic monitoring of multi-subchannel gain, and be high in equipment integration level and beneficial to being adopted in a large scale.

The invention discloses a bridge strain monitoring system and method based on WIFI communication technology. The system comprises a string wire sensor arranged on the surface of a key position of a bridge, WIFI vibration wire collectors, a WIFI router and upper computer collection software, wherein each WIFI vibration wire collector comprises a controller, a power supply module, a high-voltage booster circuit, a signal conditioning circuit, a high-voltage switch and a WIFI wireless module; the WIFI vibration wire collectors are connected at two ends of the string wire sensor through leads, thestring wire sensor oscillates under high voltage excitation, and frequency signals are output to the WIFI vibration wire collectors; and the WIFI vibration wire collectors are communicated with the upper computer collection software through a wireless network provided by the WIFI router, and a TCP connection is established through the WIFI wireless module so as to automatically collect the straindata of a bridge structure in real time. The bridge strain monitoring system and method disclosed by the invention have the advantages that a WIFI mature protocol is utilized for avoiding self-designof a networking protocol, and a TCP/IP is adopted to ensure reliable communication processes.

The crystal optical fiber soliton type full light regenerator and its light signal regenerating method is used in the light signal transmission for the reforming and reusing of light signal. Of the regenerator, the light shunting coupler has two, one main and one auxiliary, output ports, the main output port is connected to the photon crystal fiber, the photon crystal fiber has output is connected to the light amplitude modulator, the light amplitude modulator has output connected to the light band-pass filter, and the light band-pass filter has output port (OUT) as the output port of the light regenerator. The light shunting coupler has auxiliary output port connected to the output of the light detector, the light detector has output connected to a RF filter, the RF filter has output connected to the input of phase shifter, and the phase shifter has output connected to the light amplitude modulator, to constitute the crystal optical fiber soliton type full light regenerator.

The invention aims to provide a port forming machine. The port forming machine is characterized in that an inner telescopic device and an outer telescopic device are arranged on the same axis; the inner telescopic device is provided with an inner mould composed of a plurality of inner petal mould bodies at an opening fastening portion, and the inner mould realizes the expansion and contracting motions through an inner telescopic rod; and the outer telescopic device is provided with an outer mould composed of a plurality of outer petal mould bodies at the opening fastening portion and comprises an outer mould thruster, and the outer mould moves in the radial direction through the outer mould thruster to complete expansion and contracting motions. The design key points of the technical scheme lie in that the inner mould and the outer mould move in the same radial plane at the opening fastening portion, the inner mould and the outer mould are combined through a split petal structure, and a weaving component is fixed to a port of a corrugated pipe component through an end cap within a certain diameter range. The power of the inner mould and the outer mould is from driving devices moving on the same axis, and the moving directions of the inner mould and the outer mould are switched through an inner mould taper rod and the outer mould thruster.

The invention relates to a device for processing nonlinear information of a magnet adjustable optical fiber, comprising an optical information input transforming unit and an optical information output transforming unit. The device is characterized in that a magneto-optical nonlinear fiber unit is connected between the optical information input transforming unit and the optical information output transforming unit, wherein the magneto-optical nonlinear fiber unit comprises a magneto-optical nonlinear fiber and a magnet adjustable control module, the magneto-optical nonlinear fiber is wound round the magnet adjustable control module and is influenced by a magnetic field generated by the magnet adjustable control module, so as to control the transmission characteristics of the guided optical waves in the magneto-optical nonlinear fiber. The device provided by the invention has the following beneficial effects: the magneto-optical nonlinear fiber can be used for processing the optical information and the magnetic field sensor information.

Aspects of the embodiments of the present invention relate to a face image shaping method and device. The face image shaping method comprises the steps of obtaining a face image; obtaining key pointsof the face by detecting the face image, wherein the key points comprise face center line key points; generating a first face triangularization grid based on the key points; obtaining a central pointneeding to move in the key points and a movement vector of the central point, and obtaining a changed second face triangularization grid based on the central point and the movement vector; and according to the first face triangularization grid and the second face triangularization grid, rendering the face image to obtain a shaped image. According to the embodiment of the invention, the large-angleside face can be shaped, and the appearance value is effectively improved.