31results about How to "Controllable positioning" patented technology

The invention discloses a hot stamping and forming production line for aluminum alloy sheet materials. The hot stamping and forming production line comprises a destacker, a sprayer, heating furnaces, a pressing machine, a plate chain conveyor and an aging furnace, wherein the destacker is used for conveying the sheet materials to a feeding position to hand over to a manipulator; the sprayer is used for conducting lubricant spraying on the two surfaces of each sheet material; the heating furnaces are used for conducting heating and heat preservation on each sheet material with the two surfaces sprayed with lubricant; the pressing machine is used for conducting stamping and forming on the sheet materials subjected to solid solution treatment; the plate chain conveyor is used for receiving the stamped parts; and the aging furnace is used for conducting aging treatment on the parts. Each heating furnace comprises a feeding area, a hearth and a discharging area which are sequentially arranged, wherein the hearth is internally provided with at least one heating area and at least one heat preservation area; each layer of the hearth is provided with at least two sheet materials fed sequentially; heating of the interior of the hearth is in a nozzle mode; the feeding area and the discharging area are both rolling type lifting platforms; the heating area and the heat preservation area are both provided with multi-layer bi-directional rolling platforms; and the lifting height of the rolling type lifting platforms and the height of each layer of the multi-layer bi-directional rolling platforms are the same. According to the hot stamping and forming production line for the aluminum alloy sheet materials, hot stamping and forming can be conducted on the aluminum alloy sheet materials efficiently.

The invention discloses an automatic riveting machine for a power line plug inner frame. The automatic riveting machine comprises a conveying mechanism for conveying power lines, a positioning mechanism for identifying a positioning power line core line according to the color of the core line, a sizing mechanism for sizing the positioned core line and a riveting mechanism for riveting the sized core line with a plug inner frame; the positioning mechanism, the sizing mechanism and the riveting mechanism are sequentially arranged on one side of the conveying mechanism, and the conveying mechanism conveys the power lines processed by different processes to a mechanism of next process for processing. The automatic riveting machine is fully automated in the conveying, positioning, sizing and riveting processes, and does not require manual operation, which not only reduces the labor cost and improves the work efficiency, but also avoids increasing errors due to fatigue caused by manual operation.

The invention discloses a preparation method and an application of a recombinant cold-adaptation attenuated influenza vaccine strain. The method comprises the following steps: importing an influenza virus hemagglutinin HA gene, an influenza virus neuraminidase NA gene as well as seven genes, namely PB2, PB1, PA, NP, M, NS1 and NS2, in an influenza virus to a host cell, and conducting cultivating, so that a recombinant virus is obtained. Tests prove that an attenuated influenza tetravalent vaccine, which is prepared by virtue of a 7+2 plasmid rescuing system, can achieve an excellent immune effect through nasal immunization; the influenza virus, which is recombined by the 7+2 plasmid rescuing system, has a property of being time-efficient; in accordance with the epidemic characteristics of influenza viruses in various years, effective targeted influenza vaccines can be prepared; and the preparation method is rapid, obvious in immunogenicity and immune protection effect, and good in safety; therefore, the problems on safety and stability of attenuated influenza vaccines which are prepared by virtue of a conventional method are solved, and a protection spectrum of the influenza vaccines is more comprehensive.

A hydraulic location device for guiding a ship in a floating dock and a working method thereof belong to the technical field of ship maintenance and modification and oceaneering equipment. The ship guiding location device with a hydraulic location function is composed of a plane steel frame, a rubber wheel, a hydraulic cylinder and the like. The device is installed on the inner side of two ship boards of a dock wall of the floating dock. The device can meet requirements for two kinds of docking and lying and ensure accurate lying position. The two kinds of docking and lying conditions are characterized in that the ship is guided into a dock for lying when the floating dock is submerged, or an air bag is utilized to load maritime work structural objects to enter the dock for lying when the floating dock is contacted with a wharf in abutting mode. In addition, the device has auxiliary fastening effect on products to be transported in the floating dock transportation process. The device is installed on the dock wall of the floating dock and is capable of accurately and quickly conducting safe lying location on the products entering the dock in controllable mode in the ship guiding load receiving process. The device has the advantages of being concise in mechanism, simple to operate, accurate in location, convenient to install and low in cost and also has the advantages of hydraulic program control and rigidity limit.

The invention discloses a chain cutter. The chain cutter comprises a baseplate, a bracket, a cutting cylinder, a material guide chain wheel, a cutting insertion plate, a cutting striker, a striker fixed base and a cutting oil cylinder, wherein the cutting cylinder is arranged on the baseplate; the material guide chain wheel is arranged at one side of the cutting cylinder; the cutting insertion plate is arranged on the cutting cylinder; the bracket is arranged on the baseplate; the cutting oil cylinder is fixed above the bracket; the striker fixed base is connected below the cutting oil cylinder; and the lower end of the striker fixed base is connected with the cutting striker. Through the mode, the chain cutter has the advantages of high reliability, precise positioning, compact structure, quick cutting speed, high production efficiency, low noise, simple operation and high automation degree, can cut off chains with any lengths in a setting manner, and has wide market prospect on the chain transmission market.

A magnetic fence covering is provided for attachment to a fence. The fence covering comprises a substantially planar sheet having spaced apart top and bottom edges and side edges extending therebetween. At least one magnet is fixedly attached to at least one of the top edge, the bottom edge, and the side edges. The at least one magnet preferably comprises a plurality of magnets fixed in proximity to the top edge of the planar sheet and spaced apart between the side edges. The fence covering is attached to the fence by placing the at least one magnet in magnetic contact with a metal portion of the fence. The plurality of magnets may aligned with the fence post or rail along an entire length thereof.

The invention discloses a billiard table with an automatic ball placement device. The billiard table comprises a ball table unit, a ball falling device for receiving billiard balls which fall down from ball holes and guiding the billiard balls to the designated positions, a billiard ball collection device for making the billiard balls placed regularly, a billiard ball pickup device for picking upthe billiard balls located on the ball falling device and making the billiard balls move to the billiard ball collection device and a billiard ball placement device for picking up the billiard balls located on the billiard ball collection device and making the billiard balls move to the ball table unit. According to the billiard table with the automatic ball placement device, the billiard balls can be effectively and automatically collected and placed, the time and labor are saved, and the workload of workers can be greatly reduced.

The invention belongs to the technical field of magnetic particle imaging and thermal therapy fusion, and particularly relates to a magnetic particle imaging and thermal therapy fusion device and method based on field-line-free inertial scanning. The objective of the invention is to solve the problems that an existing magnetofluid treatment means lacks image guided treatment, accurate thermal dose setting, non-invasive real-time temperature monitoring and accurate positioning, and classic field-line-free scanning MPI equipment is too high in complexity in design and implementation of structure and control. The device comprises a magnet group, an induction coil, a living body bed, a control device, a display device, an image processing device and a cooling system, the magnet group comprises a group of long bent magnet pairs and a cylindrical magnet; and the control device is configured to perform scanning imaging on the target living body object and perform thermal therapy on the set part. According to the invention, magnetofluid treatment with the characteristics of image-guided treatment, accurate thermal dose setting, non-invasive real-time temperature monitoring, accurate positioning and the like is realized; and meanwhile, the device is simple in structure and control.

The invention provides a bending machining method for a duplex turbine blade locking plate. The bending machining method comprises the following steps of (1), selecting two stainless steel plates withthe thickness being 1.5 mm; (2), chamfering C0.5 into the upper and lower ports of the joint of the two plates, and then carrying out roll welding; (3), carrying out linear cutting machining in the metal streamline direction to obtain the length and the width of the duplex turbine blade locking plate; (4), pre-bending the head of the turbine blade locking plate through opening machining by a bench worker; and (5), taking the other end as a benchmark, placing the machined pre-bent part in a lower die of a bending die, and carrying out final bending forming machining on the pre-bent part of thehead to obtain a finished product. According to the method, a bending forming die and a bending forming machining process method are adopted, the process method is simple, die positioning is controllable, the product size is good, the appearance quality is high, the surface quality of a bent product is good, machining is stable and reliable, the production cost is greatly saved, the die manufacturing cost period is shortened, and the bending forming die is suitable for large-batch production.

The invention belongs to the technical field of magnetic nanoparticle imaging and thermal therapy fusion, and particularly relates to a field-free line scanning imaging and field-free point positioning thermal therapy fusion device and method based on magnetic particles. The invention aims to solve the problem that the existing magnetofluid treatment means lacks image guided treatment, accurate thermal dose setting, non-invasive real-time temperature monitoring and accurate positioning. The device comprises a magnet group, an induction coil, a living body bed, a control device, a display device, an image processing device and a cooling system, the magnet group comprises two groups of long bent magnet pairs and a cylindrical magnet; two ends of a long bent magnet in the long bent magnet pair are semi-circular rings, and the semi-circular rings are connected by two sections of arcs constructed at set curvature; and the control device is configured to perform scanning imaging on the target living body object and perform thermal therapy on the set part. According to the invention, magnetofluid treatment with the characteristics of image-guided treatment, accurate thermal dose setting, non-invasive real-time temperature monitoring, accurate positioning and the like is realized.

Embodiments of the invention disclose a page positioning display method and device, a page comprises at least one display component, and the method comprises the steps of analyzing page link address information according to an access request triggered for a page link, and extracting to-be-positioned target display component information; calculating a page rolling value of the page for displaying the target display component according to the mapping relationship of each display component in the page and the information of the target display component; and calling a page rolling interface function according to the page rolling value, loading the page, and positioning the page to the target display component for display. According to the configuration information of each display component label in the page and the target display component information, the page rolling value can be flexibly and accurately calculated, an anchor point label does not need to be forcibly inserted into a page code, and the page code is not invaded. Moreover, the page rolling value can be flexibly set, page positioning is controllable, and accurate deviation-free positioning is achieved.

The invention belongs to the technical field of animal vaccines, and particularly relates to a VEEV expression vector suitable for expressing an antibody and application of VEEV expression vector. According to the invention, a Venezuelan equine encephalitis virus vaccine strain TC-83 replicon without a structural protein gene is taken as a carrier of the mRNA, a second SG promoter is inserted, and the two SG promoters are used for respectively expressing a heavy chain and a light chain of the antibody, so that one complete antibody can be expressed by one mRNA. And the mRNA can be subjected to co-transfection packaging with helper RNAs (VEEV-C and VEEV-E without nsP4) to obtain the VRP for expressing the antibody, and the VRP can be delivered in a lung targeting manner through nasal administration and is effectively expressed, so that an effective protection effect is provided for mice.

The invention belongs to the technical field of clamp equipment, and relates to a lathe clamp for machining thin-wall end cover parts. The lathe clamp comprises a mounting bottom plate, an intermediate is mounted on the top face of the mounting bottom plate, and a clamp body is mounted on the top face of the intermediate. Multiple pressing blocks are evenly distributed on the clamp body along thecircumference, and each pressing block penetrates through the clamp body and then is connected with a stretching mechanism in the intermediate and driven by the stretching mechanism to axially move. An elastic mechanism is further arranged on the stretching mechanism, so that the pressing blocks are in the state of clamping the workpieces in a natural state. The lathe clamp mainly aims at solvingthe problem that the design requirements cannot be met due to clamping deformation of a three-jaw chuck, a lathe spindle taper hole and a part hollowed-out structure are utilized, a positioning mechanism is ingeniously arranged, and the purposes that a numerical control lathe is provided with an oil cylinder, rapid clamping and positioning can be achieved, and deformation can be greatly reduced are achieved.

The invention discloses a Beidou communication and positioning system for an underwater robot, and the system consists of a Beidou positioning communication terminal and a shore-based ship-based center, and the positioning communication terminal provides a high-reliability Beidou positioning and communication function based on a Beidou RD/RN core chip with autonomous intellectual property rights,and the system has the characteristics of miniaturization, low power consumption and the like. The shore-based center is composed of a Beidou communication base station and a Beidou communication array. And the Beidou communication base station controls the Beidou communication array to carry out data communication with each terminal, and provides a standardized service interface to the outside through a network or a serial port and the like. The system can establish an RDSS reliable data communication link between a plurality of Beidou positioning communication terminals and a center, and transmits observation and positioning data of a plurality of underwater robots to a shore-based ship-based monitoring center in real time, thereby realizing domestic controllability of communication positioning of marine observation equipment.

The invention provides a yarn motion parameter identification method and device, a readable storage medium and a system, and relates to the technical field of yarn motion parameter identification. The method comprises the following steps: calibrating a binocular high-speed camera, and obtaining camera parameters; performing polar line correction on the yarn image pair; obtaining a yarn depth map; positioning the position of a yarn test point in the depth map; obtaining a three-dimensional space coordinate of a yarn test point; fitting a yarn movement track curve; and according to the yarn motion track curve and the acquisition moments corresponding to the points on the yarn motion track curve, displacement, speed and acceleration motion parameters of the yarn test points are obtained. Yarn motion parameters are identified in a non-contact mode, interference of a contact type measuring instrument on the running state of the yarn is avoided during measurement, and the real motion state of a definite physical test point (such as a yarn end point) of the yarn or a certain concern point (such as an intersection point of the yarn and a fixed plane) on the yarn is objectively, accurately and timely reflected.