37 results about "Beam system" patented technology

This invention relates to the field of precision alignment technology, specifically to an astigmatic differential confocal alignment system and method capable of synchronous imaging. The astigmatic differential confocal alignment system includes: an astigmatic differential confocal optical path system and an imaging optical path system sharing the same objective lens; the astigmatic differential confocal optical path system includes a laser, a collimating and expanding beam system, a polarizing beam splitter cube, a quarter-wave plate, a long-pass filter, a short-pass dichroic mirror, an objective lens, a non-polarizing beam splitter cube, a plano-convex cylindrical lens, and two four-quadrant photodetectors connected in sequence; the imaging optical path system includes a visible light point source, a beam splitter, a short-pass dichroic mirror, an objective lens, a sleeve lens, and a camera connected in sequence; the two optical path systems are coaxial and synchronized. When the defocus error signal FES crosses zero, the camera synchronously acquires a clear morphological image of the surface of the sample under test, achieving synchronization of alignment and imaging.

The application discloses a kind of adjustable telescopic tower crane walkway device and use method, the device includes support beam system, adjustable height rotating system, adjustable horizontal movement system, hydraulic system, pedal telescopic system and tail portion pull-up auxiliary pedal system.The support beam system is fixed on shear wall, and the pedal telescopic system connected with support beam system is unfolded by hydraulic system, and the end is set on tower crane standard section horizontal web, when horizontal web and shear wall hole height do not match, adjustable height rotating system can be started, and the angle of support beam system is adjusted;When the position of tower crane and the position of shear wall hole are deviated, adjustable horizontal movement system can be started, and the horizontal position of device is adjusted, finally make tower crane horizontal web, shear wall and pedal position perfect fit;When pedal is unfolded, the remaining distance is not enough for one pedal, tail portion pull-up pedal system can be started to make up, and the application has high safety, is convenient to disassemble and assemble, and can be reused in multiple positions and multiple projects.

This invention discloses a spectrophotocatalytic nitrate reactor with a secondary focusing structure, belonging to the field of solar energy concentration and photocatalysis technology. The device consists of a stainless steel support, left and right parabolic mirrors, a secondary focusing parabolic surface, and four stages of photocatalytic reactors. The left and right parabolic mirrors form a primary focusing unit with a receiving half-angle of up to 30°, enabling stable light concentration without a solar tracking system. The light is further focused and shaped by the secondary focusing parabolic surface to form a vertically downward fixed beam, with a total system concentration ratio of 12-15. The four stages of photocatalytic reactors are arranged sequentially along the light path, with adjacent reactors tilted in opposite directions. The reactor surfaces are coated with a light-transmitting and reflective layer, and different types of photocatalysts are installed inside, enabling segmented utilization of the full spectrum of sunlight. The nitrate solution circulates in a closed loop within the device under the drive of a water pump, completing the photocatalytic reaction. This invention features high focusing efficiency, lossless light path, and high space utilization, effectively solving the problems of insufficient light intensity, low light utilization, and high operating costs of traditional photocatalytic equipment.

The application relates to the technical field of steel beam structures, in particular to a spliced steel beam system which comprises a steel beam and a concrete slab, the concrete slab is provided with a plurality of drill holes, and a pre-packaged chemical anchoring agent is arranged in the drill holes; the front and rear ends of the steel beam are each provided with a plurality of through holes, the through holes and the drill holes are in one-to-one correspondence; the spliced steel beam system further comprises an open-close clamping unit, the open-close clamping unit is provided with a plurality of clamping cavities, a welding pin is slidably arranged in the clamping cavities in the vertical direction, and the welding pin is used for being inserted into the corresponding through hole and drill hole; the open-close clamping unit has two states of opening and closing, when the open-close clamping unit is in the closing state, the clamping cavities clamp the welding pins, and the welding pins remain stable without external force; when the open-close clamping unit is in the opening state, the clamping cavities are exposed to gaps, so that the open-close clamping unit can slide away from the welding pins in the horizontal direction. The application can reduce the labor intensity of workers and improve the splicing efficiency of the steel beam structure.

The present application relates to the technical field of port and coastal engineering, and more particularly to a light-weight outfitting wharf structure without cross beam and a construction method thereof; the structure comprises an upper structure, a lower structure and a mooring facility; the upper structure comprises longitudinal beams, pipe trench beams and face plates; the lower structure comprises straight piles and forked piles; and the mooring facility comprises a ship-berthing structure, fenders and mooring columns. The present application adopts pile foundation for the lower structure of the wharf, adopts longitudinal beam system + superimposed face plate structure for the upper structure, directly casts the longitudinal beams on the pile foundation, sets a pair of forked piles under the longitudinal beams to resist horizontal force, and makes the bottom elevation of the longitudinal beams level with the designed high water level, so that the wharf is not affected by the rise and fall of tides in the engineering area, can be constructed all day long, and greatly shortens the construction period; under the premise of meeting the requirements of structural safety and heavy lifting process, the prefabricated parts are miniaturized, large-scale hoisting equipment is not needed, the parts can be manufactured and installed on site, the amount of concrete, steel bars and formwork is greatly reduced, and the structure is more lightweight.

A multi-beam system includes a light source configured to emit light; a fiber bundle connected to the light source; and a camera configured to capture an image set including images corresponding to each fiber connected to the light source. The fiber bundle includes a central fiber having one end connected to the light source, and N layers of fibers surrounding the central fiber. The first layer of fibers includes M fibers, each having one end connected to the light source, and the Nth layer of fibers includes more than M fibers, but only M fibers in the Nth layer of fibers have one end connected the light source. A processor is configured to determine a centroid of each image in the image set to produce a centroid map and generate a fiber location map comprising fiber locations of all fibers in the fiber bundle based on the centroid map.

The application discloses a satellite slant beam inter-beam interference avoidance method and system based on cost flow and dynamic graph coloring, and accurately models the interference range of slant beams in a multi-satellite satellite hop-beam system, considers the influence of the slant beams when modeling the anti-beam inter-beam interference hop-beam pattern design problem, divides the dynamic graph coloring problem into two sub-problems of satellite-wave position matching and hop-beam time slot allocation which are coupled with each other, pre-solves the satellite-wave position matching problem by using a minimum cost maximum flow algorithm, obtains a satellite-wave position matching initial solution which maximizes the sum of satellite elevation angles of all wave positions in the system under the constraint of the maximum number of simultaneously opened beams of the satellite, and on the basis, combines a tabu search algorithm and a graph coloring algorithm to jointly optimize the two sub-problems, so as to further improve the inter-beam interference avoidance performance of the same hop-beam time slot opened beam. The application can obtain a multi-satellite hop-beam scheme with minimum inter-beam interference, and the algorithm has low complexity and is convenient for actual system implementation.

This invention relates to a method for preparing crystal orientation controllable small-particle single-crystal magnetic materials using a focused ion beam combined with a magnetic field orientation, comprising the following steps: (1) preparing an Sm-Fe-N matrix material; subsequently placing the material in an external magnetic field to collectively orient the grains along the c-axis, and immediately fixing the orientation state; (2) selecting a perfect single-crystal region using a focused ion beam-scanning electron microscope dual-beam system, milling and cutting the above material with the ion beam, collecting small-particle single crystals, thereby obtaining crystal orientation controllable small-particle single-crystal magnetic materials. The equipment of this invention is relatively universal, the operation is precise, and the cycle is extremely short (completed within a few hours), significantly improving the preparation efficiency of single-crystal particles of rare earth permanent magnet materials.

The present disclosure relates to a kind of support and focused ion beam scanning electron microscope double-beam system, support is used to be installed on the sample stage in focused ion beam scanning electron microscope double-beam system, support is formed with the installation inclined plane for installing the sample to be measured by grinding process, the included angle β of installation inclined plane with the sample stage in focused ion beam scanning electron microscope double-beam system is acute angle.Through the above technical scheme, the range of ion beam its on the sample surface is wider, and energy distribution is relatively more uniform, avoid the obvious processing speed difference in soft and hard junction area when vertical incidence, reduce the problem of inconsistent processing speed caused by the soft and hard uneven inside sample, to effectively reduce the phenomenon of strip mark along processing direction, reduce the influence of curtain effect, so that, when subsequent observation by electron microscope, the real structure of material can be accurately presented, to obtain more accurate analysis result.

This invention discloses a dual-laser-beam diamond synchronous polishing device and method, relating to the field of semiconductor material laser processing technology. The device includes: a laser generator for generating pulsed laser light; a homogenization and shaping unit for homogenizing and shaping the pulsed laser light to obtain a square-topped laser spot; a multi-path processing unit for dividing the homogenized and modulated pulsed laser light into two sub-pulse laser beams with different energy ratios and different incident angles on the diamond surface; and a three-dimensional motion platform for carrying the diamond and controlling the relative motion between the diamond and the two sub-pulse laser beams. The laser spots of the two sub-pulse laser beams overlap on the diamond surface along the scanning path. Based on a set scanning speed and scanning line spacing, the diamond is scanned and polished according to the scanning path. This method achieves simultaneous generation and removal of graphitization using a single-source dual-beam system, reducing the number of scans, lowering processing time, and improving processing quality.

This application relates to the technical field of monorail systems, and particularly to a suspended monorail beam system integrating parking and running track. It includes support columns and a track beam mounted on the support columns. A running track is positioned above the track beam, with a passageway between the running track and the ground. A lifting device for lifting vehicles is located below the track beam. The lifting device includes a connecting and positioning component for connecting and securing the vehicle, and a lifting component for driving the connecting and positioning component to move vertically. The connecting and positioning component is connected to the lifting component. The advantage of this application is that this monorail beam system enables elevated parking, increasing parking spaces while allowing residents to run directly on the running track above the track beam, solving the problem of running for community residents, saving space, and facilitating residents' lives.

A system and method for automatically and remotely adjusting the position of a captive beam is provided. The system includes a motor that moves a bracket along a vertical track, with the bracket supporting an end of the captive beam. The bracket rotatably supports a latch that engages an aperture in a track when aligned therewith to allow track to support the load of the captive beam and the load supported by the captive beam. 20 24 26 67 27 20 N ov 2 02 4 A B S T R A C T 2 0 2 4 2 6 6 7 2 7 2 0 N o v 2 0 2 4

The application discloses a kind of based on finite difference reduction multibody system transfer matrix method of rotating beam system dynamic characteristic analysis method and system.Method includes: the physical parameter model of rotating beam system is established, and the structural parameter of rotating beam is acquired;Rotating beam system dynamics control differential equation is established;Rotating beam system is discretized using finite difference method;The transfer matrix of the discretized multibody system model is constructed, and the transfer matrix is processed using reduction equation, and the reduced difference point reduction transfer matrix recursive relationship is obtained;The reduced state vector recursive equation is established, and the dynamic characteristic parameter of rotating beam system is calculated and output.The application is combined with finite difference method by multibody system transfer matrix method, and rotating beam element is discretized difference, and the differential term of rotating beam differential equation is differentially approximated to deduce transfer matrix, retains the characteristics of low matrix order involved in transfer matrix method, reduces the calculation scale, improves the success rate of numerical calculation result, and can effectively solve rotating beam and other dynamics problems.

The present disclosure relates to systems and methods for configuring a proton beam system to deliver energy to a patient. Provided herein are systems for configuring a proton beam system to deliver energy to a patient. In some examples, the system can include one or more processors configured to receive scan data associated with a three-dimensional scan of a patient, determine a treatment plan involving delivery of energy from a plurality of gantry positions relative to the patient, and provide control data associated with the treatment plan to the proton beam system, the control data configured to control the proton beam system in performing the treatment plan. In some examples, each field specified by the treatment plan can be associated with a beam configuration targeting a planned target volume, such that each spot path of the beam configuration is separated from at least one other spot path of the beam configuration by a distance that satisfies a threshold distance.

Liquid metal ion beam system (1) or liquid metal electron beam system, comprising: - a conductive emitter electrode (2), - a conductive extractor electrode (3) opposite the emitter electrode (2), - a liquid metal reservoir (4) fluidically connected to the emitter electrode (2) to transport liquid metal to the emitter electrode (2), - a control unit (5) configured to apply a periodically varying operating voltage between the emitter electrode (2) and the extractor electrode (3), wherein an operating voltage threshold is specified which defines a voltage level above which non-ionized or only slightly ionized liquid metal at the emitter electrode (2) is extracted by emitted ions or electrons accelerated towards the extractor electrode (3), wherein the control unit (5) is configured to periodically vary the operating voltage between a subthreshold voltage,to vary the voltage that is below the operating voltage threshold and the voltage that is above the operating voltage threshold.

The application discloses a liquid metal jet system and method for an X-ray source anode target, and relates to the technical field of X-ray sources.The system comprises an electron beam system, a jet system, a supply system, a driving system and a pressurizing system, wherein the supply system and the pressurizing system are flexibly connected with the jet system through pipelines, and the electron beam system is rigidly connected with the jet system.The pressurizing system comprises two liquid metal piston cylinders and a hydraulic piston cylinder, the supply system supplies stable liquid metal to the liquid metal piston cylinders, the driving system supplies hydraulic oil to the hydraulic piston cylinder, the pressurizing system pressurizes and delivers the liquid metal to the jet system, the jet system sprays a liquid metal jet in a vacuum chamber, an X-ray is generated by electron beam bombardment on the liquid metal jet, and the liquid metal in the vacuum chamber is collected and returned to the supply system after cooling; and an auxiliary vacuum system stabilizes the vacuum condition of the vacuum chamber.The application has the advantages of compact structure, high X-ray source light brightness, high X-ray flux, high test efficiency, high liquid metal pressure and high jet speed.

Provided herein are systems for configuring a proton beam system to deliver energy to a patient. In some examples, systems can include one or more processors that are configured to receive scan data associated with a three-dimensional scan of a patient, determine a treatment plan involving delivery of energy from a plurality of gantry positions relative to the patient, and provide control data associated with the treatment plan to a proton beam system, the control data configured to control the proton beam system when executing the treatment plan. In some examples, each field specified by the treatment plan can be associated with a beam configuration that targets the planning target volume such that each spot path of the beam configuration is separated from at least one other spot path of the beam configuration by a distance that satisfies a threshold distance.

The application provides a timing method for avoiding uplink feedback conflict in a non-ground network, which is applied to a non-ground network multi-beam system with asymmetric uplink and downlink beam numbers, and the method comprises the following steps: a network side configures a feedback resource pool with a period of N for a user equipment group mapped to a same uplink beam, and allocates a unique exclusive feedback position offset for each user equipment in the group; when the network side schedules a user equipment in a scheduling time slot S, a timing offset value K1 is determined based on the exclusive feedback position offset and the scheduling time slot S through a deterministic rule, so that the uplink feedback information sent by the user equipment in the time slot S+K1 occupies its exclusive feedback position in the feedback resource pool with the period of N. Through the deterministic rule, the method of the application realizes non-conflict and high-efficiency use of time domain resources, so as to achieve the purpose of avoiding interference in a beam asymmetric scene.

This utility model belongs to the field of seismic isolation and vibration reduction technology for bridge structures, and specifically relates to a shear energy-dissipating steel truss connecting beam for replaceable railway piers. It includes several steel truss connecting beam units, spaced apart along the height of the pier column. At the same height position, there are four steel truss connecting beam units, each positioned between adjacent pier columns. Each steel truss connecting beam unit includes horizontally arranged upper and lower chords, and at least one set of intersecting diagonal web members between the upper and lower chords. The chords are structural members designed to prevent instability of the outer web members of the pier column. The web members mainly bear axial forces and reduce seismic response by dissipating energy through tensile and compressive deformation. This structure dissipates energy through plastic deformation and yielding, thereby protecting the pier column and achieving a graded energy dissipation effect. Furthermore, the steel truss connecting beam system is easy to replace after damage, and the replaced pier can immediately resume normal use, playing an important role in post-earthquake repair and operation of bridges.

With the first astigmatism applied, the electron beam is guided to the workpiece on the stage. The electron beam reflected from the workpiece is detected, and an image of the workpiece is generated with the first astigmatism applied. An autofocus model is applied to the image, and the autofocus model determines the focus offset relative to the image.

The application provides an acoustic black hole vibration-absorbing wing coupled beam system and an adjusting method, wherein the acoustic black hole vibration-absorbing wing coupled beam system comprises a beam and further comprises acoustic black hole vibration-absorbing wings arranged on the beam; the acoustic black hole vibration-absorbing wing is in a strip shape, comprises a first end and a second end, the first end is connected to the beam, and the second end is a free end; the first end is a gradual starting end of an acoustic black hole structure, and the second end is a tail end of the acoustic black hole structure; a straight line where a long axis of the acoustic black hole vibration-absorbing wing is located intersects with a straight line where a long axis of the beam is located; two acoustic black hole vibration-absorbing wings, i.e., a first acoustic black hole vibration-absorbing wing and a second acoustic black hole vibration-absorbing wing, are connected to the same point of the beam; and the first acoustic black hole vibration-absorbing wing and the second acoustic black hole vibration-absorbing wing are symmetrically arranged with the long axis of the beam and a straight line perpendicular to the long axis of the beam as the symmetric axes. The application can be widely applied in the field of beam system vibration reduction.

The application discloses a curve track-bridge coupling system support stiffness identification method based on a vehicle scanning method, belongs to the field of engineering structure monitoring, and establishes a curve double-beam system mechanical model with a mobile elastic mass, deduces a control equation, and solves the control equation by using a modal superposition method and Laplace transformation, extracts a coupling system frequency from a contact point or a vehicle response, and especially efficiently identifies track modulus by using a fourth frequency component of a first-order modal. The application has the advantages of strong operation maneuverability, high cost benefit ratio and outstanding implementation efficiency, and is suitable for health monitoring of a curve track-bridge coupling system.