188results about How to "Achieve deflection" patented technology

The invention discloses a vector propulsion mechanism of an underwater robot. The vector propulsion mechanism is a novel spherical parallel connection mechanism and comprises a static platform and a movable platform. Four groups of kinematical branch chains are formed between the movable platform and the static platform, two groups of kinematical branch chains include a group of branch chains RP<C> and a group of branch chains RP<C>RU and are driving branch chains, each group of driving branch chains comprises a curved movement pair PC which is of an arc-shaped groove sliding structure, the other two groups of kinematical branch chains comprise branch chains RP<C> and branch chains RP<C>RU, are structurally identical to the former two groups of kinematical branch chains but are driven branch chains, the four groups of kinematical branch chains are symmetrically installed, and the four groups of kinematical branch chains, the movable platform and the static platform jointly form the spherical parallel connection mechanism with two degrees of freedom. A group of intermediate kinematical transfer branch chains RUC is additionally arranged between the static platform and the movable platform and is used for transferring torque and movement of a main propulsion motor to a propeller. The vector propulsion mechanism has the advantages of convenience in installation and control, good low-speed steering performance and the like.

The present invention provides a workpiece three-dimensional dimensions automatic detection system and method based on laser scanning. The system comprises a three-dimensional moving platform, a three-dimensional moving platform numerical control module, a laser scanning sensor, a laser scanning sensor numerical control module, a laser scanning sensor rotating mechanism, a power module and detection software, and belongs to the technical field of three-dimensional scanning and digital analysis. According to the system, the numerical control three-dimensional moving platform is used, so that total dynamic measurement is implemented, manual movement detection is replaced, and detection efficiency is improved; a pneumatic floating slideway is used, so that movement precision is improved; thelaser scanning sensor rotating mechanism is assembled on a Z-axis pneumatic floating slideway, so that deflexion of the laser scanning sensor can be implemented, and a workpiece is scanned from different angles; and a blue line sweeping laser scanning sensor is selected, so that anti-interference is strong, and measurement precision is high.

The invention discloses a double ducted-propeller electric manned aircraft capable of taking off and landing vertically, and belongs to the field of aviation products. The aircraft comprises an aircraft chamber, double ducted-propeller power systems and a control platform, wherein lateral wings with vertical planes are fixedly and integrally arranged on two sides of the aircraft chamber; the ducted-propeller power systems are arranged at the front end and the rear end of the aircraft chamber and are connected with the lateral wings respectively; a self-balancing mechanism is arranged on the lateral wing on one side; a duct rotating mechanism is arranged on the lateral wing on the other side; the self-balancing mechanism and the duct rotating mechanism are both connected with the ducted-propeller power systems; and the control platform and a battery pack are arranged in the aircraft chamber. The invention further provides a realization method for the aircraft, which adopts the rotation of propellers to generate pushing force, realizes left and right automatic balancing as well as forward and backward rotation of ducts by matching the self-balancing mechanism and the duct rotating mechanism, realizes the vertical taking off, landing and advancing of the aircraft by combining the wing-type streamline design of the aircraft chamber, makes full use of the efficiency of a motor, saves energy and is safer.

The invention relates to a tool clamping apparatus for the operations of tin-plating and welding the leads of wire-welded type components and parts, belonging to the technical field of welding. The clamping apparatus comprises a turntable, a transverse / longitudinal adjustment mechanism, a component fixing mechanism and a tin-leakage preventing clamp; the bottom face of the tin-leakage preventing clamp is matched with a slide rail of a transverse / longitudinal adjustment mechanism supporting plate; the transverse / longitudinal adjustment mechanism is fixedly mounted on a seat board of the turntable as a whole through a slide rail bottom plate; and the component fixing mechanism is fixedly mounted on the seat board of the turntable through a fixing mechanism body and is opposite to the transverse / longitudinal adjustment mechanism. According to the invention, core wires of the leads are clamped through the tin-leakage preventing clamp so as to exert effects of clamping and tin-leakage preventing, a fixing surface can deflect within 30 DEG towards two sides from the vertical direction through the adjustment of the turntable, and the alignment between the leads and a welding pin (groove)can be realized through adjusting the transverse / longitudinal adjustment mechanism and adjusting the sliding of the tin-leakage preventing clamp on the transverse / longitudinal adjustment mechanism. The tool clamping apparatus can effectively standardize various operations in processes of assembling and connecting and reduces the influence on welding quality caused by human factors.

The invention discloses a phased array ultrasonic testing method for a butt weld of a TMCP steel plate, and belongs to the technical field of non-destructive testing of a quality control system. A testing system of the butt weld of a TMCP steel plate with a wall thickness below 25mm is formed by a phased array ultrasonic detector, a phased array operating system, a high frequency linear array shear wave probe and a calibration test block to realize detection of welding defects of the butt weld. Due to the anisotropic characteristics of TMCP steel, when phased array ultrasonic wave is used to detect the butt weld, a special method is needed to calibrate the testing system and correct test results to achieve accurate detection. The phased array ultrasonic testing method just overcomes the above shortcomings, and the phased array ultrasonic testing method is high in on-site detection efficiency and accurate in results, and has good implementability.

The invention discloses a laser phased array multi-beam forming system and method. The system specifically comprises a laser, a polarization splitting prism, a beam expander, a first liquid crystal optical phased array, a 4f optical system and a second liquid crystal optical phased array. An outgoing laser beam of the laser sequentially passes through the polarization splitting prism, the beam expander, the first liquid crystal optical phased array, the 4f optical system and the second liquid crystal optical phased array; the mode of cascading the two liquid crystal optical phased arrays is adopted for achieving forming and deflection of any multi-beam, one phased array is adopted as an amplitude modulator, the other phased array is adopted as a phase modulator, and the 4f system is used for precisely aligning phase shifting units of the two phased arrays. The mode of precise control over the amplitudes of the liquid crystal optical phased arrays and phase modulation is adopted, and forming and random pointing of any number of wave beams can be achieved.

The invention discloses a high temperature superconducting bending magnet structure appropriate for a superconducting rotary rack technology. The high temperature superconducting bending magnet structure comprises a YBCO high temperature superconductor of a special structure, an inner coil and an outer coil which are coaxially nested, an outer conductor fixed layer, a conductor insulating layer, a stainless steel support layer, a clamping groove, a double cooling structure, an iron yoke beam magnetic layer and an aluminum shell. According to the high temperature superconducting bending magnet structure, deflection of ion beams in the superconducting rotary rack bending magnet can be realized, and the size, weight and cost of the bending magnet are effectively reduced; moreover, the requirements such as low temperature cooling, structural strength and quenching protection during the operation of the high temperature superconducting magnet can be realized; and a stable high-strength magnetic field can be generated in an iron beam conveying area by using the special YBCO superconductor structure and a winding manner. Finally, the miniaturization, light weight and low cost of the magnet structure are finally realized, and the development of the high temperature superconducting magnet in the medical field of ion beams is promoted.

The invention discloses a phased array laser ultrasonic detection system, which comprises an ultrasonic phased array transmitting system, a receiving system and a control system, wherein the ultrasonic phased array transmitting system comprises a laser assembly for generating multiple beams of optical paths subjected to delayed emitting, and a linear array optical fiber assembly or an area array optical fiber assembly for outputting the multiple beams of optical paths to form a desired array, the ultrasonic beams generated by excitation by the linear array optical fiber assembly or the area array optical fiber assembly has an adjustable angle and variable length, and the control system includes a data collection card and a computer connected to the data collection card by a circuit. A laser ultrasonic phased array detection technology can realize deflection and focusing of an ultrasonic sound beam in a two-dimensional plane at any incident angle, thereby completing detection in regionsat various depths; based on the laser ultrasonic phased array detection technology, the checking of the internal flow of a molten pool, the inner contour of the molten pool, a non-fused part of a bottom, internal slags and gas holes can be realized; the manufacturing quality of a part can be achieved by adjusting a printing process through a detection result.

The invention presents a recyclable airplane model experimental facility capable of changing an appearance and a parameter. The recyclable airplane model experimental facility comprises a bracket structure used for supporting an airplane model, a plane body structure with variable length, a plane body outer shell cowling, and a control box; the bracket structure used for supporting the airplane model comprises a lower bracket, an electric motor, a hydraulic actuator cylinder and an upper bracket; the plane body structure with the variable length comprises a middle grid trough beam, a front grid trough beam, a rear grid trough beam, a plane body balance and a spoiler grid trough beam. By adopting the airplane model experimental facility, length of the front plane body can be changed by adjusting an installing position of a card between the front grid trough beam and the middle grid trough beam; the length of the rear plane body can be changed by adjusting the position of installing the rear grid trough beam on the spoiler grid trough beam, thus the change of the plane body length of the airplane model can be realized. Through mounting the plane body cowlings with different appearances and layouts at the outer part, different airplane experimental models can be structured.

The invention discloses a flexible seal self-locking socket and spigot joint. The flexible seal self-locking socket and spigot joint comprises a socket, a spigot and a seal ring; wherein after the spigot is assembled on the socket, first annular protrusions and second annular protrusions from self locking, and gaps are arranged between the first annular protrusions and the second annular protrusions, and a socket pipe body can deflect relative to a spigot pipe body.

The invention discloses a lens for a linear light source (5) and an illuminating device capable of realizing asymmetrical light distribution and provided with the lens. The bottom of the lens comprises an incident surface (1) as well as a first supporting surface (41) and a second supporting surface (42) which are located on two sides of the incident surface (1) respectively; the top comprises an outgoing surface (2) and a total internal reflection surface (3); the total internal reflection surface (3) comprises a first total internal reflection surface (31) and a second total internal reflection surface (32); a first part of light rays of the linear light source (5) is emitted to the incident surface (1) and exits after being refracted by the outgoing surface (2), a second part of light rays of the linear light source (5) is emitted to the incident surface (1) and exits after being subjected to total internal reflection by the first total internal reflection surface (31) and then being refracted by the outgoing surface (2), and a third part of light rays of the linear light source (5) is emitted to the incident surface (1) and exits after being subjected to total internal reflection by the first and second total internal reflection surfaces (31 and 32) sequentially and then being refracted by the outgoing surface (2).

The invention discloses a high-frequency ultrasonic online monitoring method for internal defects of a metal movable molten pool. The high-frequency ultrasonic online monitoring method comprises the following steps: providing N focusing points of different depths along the center line of the molten pool, obtaining the emission angle thetas of an ultrasonic beam according to the relationship between the focusing points and an incident point in order to obtain N groups of fiber array delay rules corresponding to the focusing points of all angles; exciting a laser according to a delay rule corresponding a first focusing point F1 to realize the incidence of the ultrasonic beam focused at a point N1, and sampling; replacing the delay rule, and exciting the laser according to a delay rule corresponding to a next focusing point F2; repeating the previous steps to finally obtain signals of all focusing points Fi; when a spray nozzle moves to a next position, repeating the previous data acquisition and storage step; starting to analyze data of M positions collected on a straight line; performing drawing analysis on a two-dimension matrix, wherein one or more crescentic ultrasonic signals, namely, diffraction signals of slag inclusion or pores are found in an image rating range.

The invention relates to an optical beam deflecting and purifying device based on a random paralleling optimal algorithm. The device controls optical beam deflection and simultaneously achieves optical beam purification by utilizing a deformed reflecting mirror as an optical beam control device. In the random paralleling optimal algorithm, target light intensity distribution is taken as an evaluation function; optical beam positional information and optical beam quality information are taken as an identical criterion; and closed loop control is conducted to the deformed mirror according to a criterion provided in an optical beam quality evaluation system, so that the criterion of the optical beam positional information and the optical beam quality information achieves an extreme value, thereby simultaneously achieving the optical beam defection and the optical beam purification.

The invention provides an ion optical device and a mass spectrometer. The ion optical device comprises at least one planar insulating substrate which is covered with metal patterns to form an electrode array comprising a plurality of cell electrodes, wherein the cell electrodes are arrayed along a first direction to form a geometric pattern distribution of the electrode array; the adjacent and mutually-insulated cell electrodes are applied with radio frequency voltages having different phases to confine ions; a direct current voltage difference is applied between at least part of the cell electrodes in the electrode array to drive ions, which enter an electric field generated by the electrode array, to move in the first direction along the electrode array; and a corresponding electric field distribution is formed by means of the geometric pattern distribution to drive the incident ions to move in a second direction substantially orthogonal to the first direction, thereby realizing ion deflection, focusing or defocusing. Various desired spatial electric field distributions are formed by means of the geometric structure and distribution of the planar electrodes; and in implementation, cell electrodes in various planar geometrical shapes are printed by adopting a PCB or MEMS process, and the ion optical device has the advantages of low cost, high precision, high flexibility and the like.

The invention relates to a unit and method for conveying workpieces along a processing run, comprising at least one transport car (10), moving along the processing run in a conveying direction (FR) and a rotating shaft (20), mounted on the transport car (10), close to a first of the ends thereof, to rotate about the axis thereof at right angles to the conveying direction (FR) and on which a mounting (40) for the workpiece to be processed is provided. The rotating shaft (20) is only mounted close to the first end thereof on the transport car (10) and may thus be driven in the conveying direction (FR), whereupon the second free end thereof is passively transported along in the conveying direction (FR). It is thus possible to pivot the rotating shaft (20) in a plane running at right angles to the conveying direction, in particular, to permit a space saving return.

The invention relates to a vehicle lock possessing an adjusting element assembly, wherein, the adjusting element assembly(1) is equipped with a driving motor(2) and a pivotable or rotatable adjusting element(4) connected behind the driving motor(2); wherein, the adjusting element(4) is designed to be a control shaft which possesses at least one axial control part(5) used for leading out control movement and an operation part(6) which is equipped with at least one worm outline bodies(7, 8) and an operation element(9) and is used to operate the control shaft(4) manually. The operation element(9) is cooperated with the worm outline bodies(7, 8). The vehicle lock is characterized in that the operation element(9) guides lengthways on a geometrical axis(4a) of the control shaft(4) and is cooperated with the operation part(6), so that the lengthwise movement of the operation element(9) can be transformed into a pivotable or rotation movement of the control shaft(4) around the geometrical axis(4a).

The invention belongs to the technical field of wireless communication and discloses a multi-wave-beam antenna system which comprises a Butler matrix, a phase compensation circuit and at least first numerical value of multi-wave-beam antenna units. The Butler matrix comprises a first numerical value of output ends, the phase compensation circuit comprises a first numerical value of input ends and a first numerical value of output ends, each output end of the Butler matrix is connected with the corresponding input end of the phase compensation circuit, and each output end of the phase compensation circuit is connected with one multi-wave-beam antenna unit. The phase compensation circuit is added in the multi-wave-beam antenna system, and integral deflection of multiple wave beams formed by the Butler matrix can be realized, so that wave beams directing right ahead are formed.

The invention discloses a laser radar scanning galvanometer three-dimensional angle measuring device and method, and belongs to the field of angle measurement. The device comprises a laser, a collimating lens, a beam splitter prism, a scanning galvanometer, a focusing lens and a laser spot detector. The scanning galvanometer is a specially-made galvanometer with a special structure, the front surface of the scanning galvanometer is a coated reflector, and the rear surface of the scanning galvanometer is coated with a reflective diffraction grating. The collimated laser beam irradiates a reflective diffraction grating on the rear surface of the scanning galvanometer. The zero-order diffracted light beam and the positive-order diffracted light beam are reflected at different angles and transmitted through the light splitting prism and the focusing lens, and irradiating to the two laser spot detectors in parallel, and the displacements of the zero-order diffraction spots and the positive-order diffraction spots on the two laser spot detectors are calculated to obtain the deflection angles of the scanning galvanometer in three dimensions.

The invention discloses a pico-second laser combined machining SLM device. The pico-second laser combined machining SLM device comprises a bearing platform used for placing components and parts, a sealing cabin is arranged on the bearing platform, a galvanometer unit is arranged on the upper portion of the sealing cabin, and the galvanometer unit is connected with a pico-second laser and an ordinary laser through a laser beam processing unit. The invention further provides two laser rapid prototyping methods using the pico-second laser combined machining SLM device. The laser rapid prototyping methods comprise the steps that a three-diamensional model of a part is subjected to hierarchical slicing, and a two-dimensional model of each layer is subjected to main body sintering first and then contour sintering. The problems that the working process of a SLM device in the prior art is complex, the precision of the surface treatment of the part is not high, so that the later additional handling work of the part is tedious, and the labor is consumed are solved.

The invention provides a high-power ultrasonic transducer with a controllable sound field. The high-power ultrasonic transducer with the controllable sound field comprises an ultrasonic frequency power source, a signal delay system, a multi-channel power amplifier and a linear array composite drive piezoelectric ultrasonic pipe-shaped transducer. Oscillating voltage provided by the ultrasonic frequency power source is divided by the signal delay system into a plurality of multi-channel signals with the certain phase difference, the multi-channel power amplifier amplifies the multi-channel signals and excites composite drive piezoelectric ultrasonic pipe-shaped transducer units, the sound field is dynamically adjusted by changing the phase difference of excitation signals, the defects thata single longitudinal vibration sandwich type piezoelectric ultrasonic transducer is limited in power capacity, low in acoustic radiation efficiency, small in sound wave acting range and incapable ofadjusting the sound field are overcome, the three-dimensional space circular ring-shaped sound field focusing area size, focusing circular ring radius and the position of a focus point in the axial position can be adjusted in real time in the application fields of detection ultrasound, power ultrasound and medical ultrasound.

The invention relates to a sealing adjusting mirror bracket for a cavity enhanced spectrum instrument. The sealing adjusting mirror bracket is provided with a lens fixed on a lens fixing seat and a bellows lock collar fixed below the lens fixing seat, two sides of the lens are respectively provided with an O-shaped gasket for air tightness, and the upper end face of the bellows and the lower end of the lens fixing seat are connected through a sealing ring in a sealing mode. The sealing adjusting mirror bracket improves lens installation stability and lens direction adjustability, ensures optical cavity operation reliability and the cavity air tightness to adapt to low pressure measurement. A sweeping gas inlet is arranged in the inner side of the lens and clings to the lens. The direction of the lens is adjusted by means of two screw pairs, and the direction of the lens can be adjusted precisely. The sealing adjusting mirror bracket has the advantages of being simple in structure, low in price, capable of being used for laboratory scientific research and especially suitable for an application of an optical cavity enhancement technology.

The invention discloses an automatic nursery stock cuttage device. The automatic nursery stock cuttage device comprises a movable vehicle body which stretches across a seeding bed, and a conveying mechanism, a discharge device and a cuttage device which are arranged on the vehicle body. The vehicle body comprises four supporting legs symmetrically arranged on the left side and the right side, andsupports for connecting the adjacent supporting legs. A rotatable gear is arranged between the two supporting legs on each side. The gears are meshed with racks on the two sides of the seedling bed and each connected with a driving motor. The conveying mechanism comprises material conveying cylinders, a conveying belt and material pushing cylinders in sequence from front to back. The material conveying cylinders are fixed to a supporting plate side by side. The discharge device is arranged above the conveying belt and comprises a discharge hopper and a vibrating motor. The automatic nursery stock cuttage device has the advantages of being complete in automation, high in efficiency, consistent in cuttage depth and capable of keeping the vertical state after cuttage.

The invention provides an all-optical solid streak camera which solves the technical problem that large measurable dynamic range and measurable time span are difficult to realize simultaneously in the prior art. The picosecond all-optical solid streak camera with large dynamic range comprises an optical coupling system, an optical deflector and a pump light system and a reading system, wherein the optical deflector comprises an optical waveguide, and if pump light goes into the optical waveguide along vertical direction, then signal light passes through the optical waveguide along horizontal direction and is collected and read by the reading system. A functional layer of the light waveguide is an AlGaAs / GaAs / AlGaAs sandwich structure, the middle core layer is a signal light channel, and a saw-toothed pump light mask used for processing the pump light to form a light prism array in the core layer is arranged on the pump light incidence end face of the covering layer. The invention breaks through the traditional image converter tube streak camera technology based on photoelectric conversion. Meanwhile, an important scientific basis and theoretical basis is also provided for developing and pluralizing the all-optical solid streak camera technology.

The invention discloses a satellite communication antenna test rotary table, and relates to the field of satellite communication equipment, the satellite communication antenna test rotary table comprises a test rotary table support assembly, and the test rotary table support assembly comprises a base, a rotary table, a deflection support and an antenna mounting plate. Under the transmission of the transmission assembly arranged in the driving box and the effect of the clutch assembly on power separation, deflection and rotation separation adjustment of the antenna mounting plate can be realized, the arrangement of a power source is saved, and the production cost is reduced; under the guidance of the deflection guide rail of the deflection bracket and the guide wheel of the guide wheel bracket, the antenna mounting plate fixed on the deflection bracket can perform pitching deflection of 0-60 degrees, and the deflection adjustment process of the antenna mounting plate is more stable.

The invention discloses a wall washing lens with the high utilization rate. The wall washing lens comprises a first refraction and reflection system, a refraction system and a second refraction and reflection system which are sequentially connected. According to the wall washing lens with the high utilization rate, deflection of light rays is achieved under the condition of not adding a lens material. By the adoption of the wall washing lens with the high utilization rate, the common bottom dark region in the wall washing effect can be eliminated, and the uniformity of illuminance is increased by 70% or above; the lens is designed according to the actual wall washing height, and the actual utilization rate of luminous flux reaches 80%; and by the adoption of the wall washing lens, the glare can be lowered, and the light pollution caused by unwanted light is reduced.

The invention relates to the field of deflection compensation, and discloses a method and a device for compensating the deflection of a cantilever crane and a method and a device for controlling the cantilever crane. The method for compensating the deflection of the cantilever crane comprises the following steps that a joint angle group of the cantilever crane is determined if the tail end of the cantilever crane reaches a preset target position under the condition that the cantilever crane is regarded as a rigid body, wherein the joint angle group comprises joint angles of all joints of the cantilever crane, the actual position where the joint angle group enables the tail end to reach is determined, the deviation between the preset target position and the actual position is determined; and under the condition that the deviation does not meet the preset condition, the joint angle group is adjusted, and under the condition that the deviation determined according to the adjusted joint angle group does not meet the preset condition, the joint angle group continues to be adjusted till the deviation meets the preset condition. Therefore, the tail end of the cantilever crane can accurately reach the preset target position.

Apparatus for and associated methods of controlling movement of a microphone that may be held in some manner by a microphone support boom are disclosed. More specifically, the invention focuses upon novel techniques for isolating yaw of a microphone support boom from the microphone stand that may provide a majority of the height required for a desired microphone spatial positioning. The invention also focuses on apparatus that may be used achieve preferential isolation of microphone support boom yaw with respect to motion in any other microphone support boom degree of freedom. A specific type of apparatus that may be used to achieve this preferential isolation-the double conical clutch-is also an aspect of the inventive technology.

The invention discloses a laser engraving method for a jewelry product and a laser engraving jig for ringlike jewelries. The method includes the first step of processing the surface of the jewelry product to be a specular smooth and clean surface, and the second step of carrying out laser burning on the smooth and clean surface according to a preset pattern region through a laser burning mode, wherein the laser burning depth ranges from 0.02 millimeter to 0.03 millimeter, and the burning frequency is at least twice. According to the laser engraving method, twice or more laser engraving processes are adopted, the depth of patterns or stripes formed through laser burning ranges from 0.02 millimeter to 0.03 millimeter, the delicate appearance effect is achieved, no raw materials are redundantly consumed, the delicate modeling of the jewelry product is achieved, and low-cost processing of laser burning of the jewelry product is guaranteed. According to the laser engraving jig for the ringlike jewelries, a motor is adopted to control the rotational speed of the ringlike jewelries, and the motor and a laser burning device are controlled synchronously, so rotation and laser burning are simultaneously carried out on the ringlike jewelries, the laser burning speed and production output of the ringlike jewelries are improved, and the cost is reduced.