44results about How to "Universal good" patented technology

A modular and integrated satellite dynamics simulation test system and method, the system is used for the ground simulation test of the small satellite attitude and orbit control system, the small satellite dynamics simulation test system is based on modular construction, including measurement and control upper computer and real-time lower computer . The measurement and control upper computer is a general-purpose computer, which runs the human-computer interaction software of the simulation system; the real-time lower computer includes the chassis, controller, digital signal acquisition and output card, analog signal acquisition and output card, RS‑422 communication card, CAN communication card, power supply Card, interface box, real-time lower computer except the chassis and interface box, all functional module boards are integrated based on the PXI bus, and the lower computer controller runs dynamics simulation calculation software. In addition to the interface box of the real-time lower computer, other modules are integrated inside the chassis. The upper computer and the lower computer are connected through Ethernet, and communicate based on the TCP/IP protocol, and carry out the interaction of operation instructions, collected data and simulation data. The present invention is applied to the simulation test of the attitude-orbit control system of the small satellite, which improves the integration and scalability of the small-satellite attitude-orbit control simulation test equipment, and the deployment of the equipment is simple and fast.

The invention relates to a double-coil piston type magnetorheological fluid damper. The double-coil piston type magnetorheological fluid damper comprises an outer cylinder barrel, an inner cylinder barrel, end covers, a piston shaft, magnetic guiding loops and magnetic insulating loops. The end covers are fixedly arranged on both ends of the outer cylinder barrel, the inner cylinder barrel is coaxially installed in the outer cylinder barrel, the magnetic guiding loops are fixed between the two ends of the inner cylinder barrel and the end covers, the magnetic insulating loops are fixed between two ends of the inner cylinder barrel and the magnetic guiding loops, and two ends of the piston shaft are coaxially inserted into the inner cylinder barrel and installed with the end covers and the magnetic insulating loops in a sliding mode; a plurality of damping channels are arranged in the inner cylinder barrel in the circumferential direction, and a magnetorheological fluid storage cavity and the damping channels are filled with magnetorheological fluid; and coils are twined around the inner ends of the end covers, and a closed magnetic loop is formed by the magnetic guiding loops, the inner cylinder barrel and the end covers after the coils are electrified and the piston shaft operates. According to the double-coil piston type magnetorheological fluid damper, the damping channels are lengthened under the condition that the piston stroke is satisfied, great initial damping force is generated without loading electric current, great coulomb force is generated after the electric current is loaded, the working scope is expanded, and the adjustable multiple of the damping force of the damper is increased.

The invention relates to a human cell sample storage device for precision medical treatment. The human cell sample storage device comprises a bearing base, a protective wall, bearing cavities, circulating pumps, culture medium storage tanks, semiconductor refrigeration devices, electric heating wires, irradiation inactivation devices, a driving power supply and a control system, wherein the bearing base comprises protective side walls, bearing keels, a bearing platform and a positioning table; the bearing cavities are installed in the positioning table by locating holes; each bearing cavity and the corresponding locating hole are distributed in a coaxial way; connecting threads are arranged on the outer side face of the positioning table; the circulating pumps and the culture medium storage tanks are embedded in the bearing keels of the bearing base; the semiconductor refrigeration devices are embedded in the positioning table; the electric heating wires are evenly distributed on the walls of the locating holes and the outer surfaces of the culture medium storage tanks; the irradiation inactivation devices are respectively embedded in the bearing cavities. After the human cell sample storage device is used, a cell storage mode can be flexibly selected; the human cell sample storage device is good in universality and high in use safety, can avoid the pollution, caused by leakage and the like, to the surrounding environment, and can meet the demands of inactivated cell storage and cell activity preservation at the same time.

The invention discloses a cryogel for stopping bleeding and bearing an anti-cancer drug and a preparation method thereof, the preparation method comprises the following steps: a double bond is modified to a biomacromolecule, a polyphenolic compound is grafted onto the biomacromolecule, and the dopamine molecule and the Zn 2 + ion are coordinated to prepare dopamine-modified ZIF -8; and all the components are respectively prepared into aqueous solutions or dispersion solutions, and then under the action of an initiator, through double-bond polymerization, the multifunctional water/blood triggered shape memory cryogel l is formed at low temperature. According to the preparation method, polysaccharide and other biomacromolecules with good biocompatibility and degradation performance are taken as the basis, the process of chemical grafting of double-bond or polyphenol compounds also has the characteristics of low toxicity and no pollution, the used double-bond functionalized biomacromolecules are simple to prepare, the synthesis technology is mature, and the prepared product has good universality.

The invention relates to a coke oven intelligent masonry machine and a coke oven continuous masonry process. The coke oven intelligent masonry machine comprises a building block conveying unit, a cutting unit, a manipulator and a mortar spraying unit which are integrated into a whole through a fixed support; the building block conveying unit is provided with a belt conveyor and a clamping mechanism; the cutting unit is provided with a longitudinal and transverse sliding mechanism, a vertical sliding rail, a cooling medium generator, an infrared emitter and a cutting mechanism; the manipulator is provided with at least two clamping arms; and the mortar spraying unit is provided with a mortar stirring tank and parallel nozzles. Mechanical equipment is adopted to replace manpower, continuous masonry operation is achieved, the coke oven intelligent masonry machine integrates the functions of building block conveying, brick type cutting, mortar spraying, masonry placing and the like, a series of masonry processes are integrated, and the problems that in the traditional manual coke oven masonry process, manpower is consumed, and efficiency is not high are solved.

The invention discloses universal circuit breaker trolley guide rails. The number of the trolley guide rails (1) is two. Each of the trolley guide rails (1) is divided into two sections, wherein one section is a planar or approximately planar oblique plane, and the other section is an oblique plane. Convenience is brought to down sliding of a circuit breaker trolley by utilizing the oblique planes. A positioning device (2) is arranged on the upper surface of one of the trolley guide rails (1), circuit breaker trolley wheels (3) are embedded into the positioning device (2), sliding ways (6) are formed in the adjacent side walls of the two trolley guide rails (1), sliding rails (7) are arranged on the sliding ways (6), and groove-shaped sliding ways (6) are formed in the sliding rails (7). The universal circuit breaker trolley guide rails have good universality, completely meet daily operation pf various types of circuit breaker trolleys and are small in size, light in weight, convenient to move and lay, regular in appearance, convenient to arrange and place, simple and attractive.

The invention belongs to the technical field of machining, and relates to a quick-change type fan-shaped soft claw. The fan-shaped soft claw comprises a clamping claw, an upper connection piece, a home-made soft claw body and connection bolts, wherein the clamping claw comprises a section thread on the left side and a dovetail groove in the right side, the section thread is cooperatively connectedwith a chuck plane thread, and the clamping claw is cooperatively and fixedly connected with the upper connection piece through the dovetail groove; after the clamping claw cooperates with the upperconnection piece, a welding joint is firmly welded; threaded holes are formed in the right side of the upper connection piece; threaded holes are formed in the home-made soft claw body and are consistent with the threaded holes in the upper connection piece; the connection bolts penetrate through the threaded holes in the home-made soft claw body and the upper connection piece, so that the upper connection piece is fixedly connected with the home-made soft claw body; the home-made soft claw body is custom-made according to the diameter of a machined workpiece, and the inner diameter of the home-made soft claw body is equal to the outer diameter of the machined workpiece. When workpieces of different specifications are machined by using the quick-change type fan-shaped soft claw, the soft claw body can be quickly replaced.

The invention provides a high-precision stitching-breakage-prevention papermaking blanket production method and a needling machine thereof. The high-precision stitching-breakage-prevention papermakingblanket production method comprises the following four steps: presetting a knitting scheme, carrying out trial knitting, knitting a papermaking blanket finished product and resetting a knitting machine. On the one hand, the process is simple to implement, is universal and is high in adaptive capacity to environment, and can effectively meet requirements for actual implementation of various papermaking blanket knitting machine equipment, the cost for modification of the knitting machine equipment is low, workers can rapidly and accurately master the specific implementation mode of the process,the labor intensity of the workers in production operation of papermaking blankets is effectively reduced, on the other hand, the stability and reliability of the quality of products in a papermakingblanket production process can be improved effectively, stitching breakage in running of the knitting machine is avoided effectively, and therefore, the costs for production of the papermaking blankets and maintaining operation of the knitting machine equipment are reduced effectively while the quality of the papermaking blanket products and the running stability and continuity of the knitting machine are greatly improved.

The invention relates to a running attitude full monitoring method for an automatic driving vehicle, which comprises the steps of: constructing vehicle monitoring hardware equipment; constructing a synchronous running data control network; setting an identification label; and carrying out running state monitoring. In one aspect, the running attitude full monitoring method disclosed by the invention is simple and easy to operate in control operation and convenient for popularization of a multi-vehicle synchronous running control operation technology and has excellent universality and reliability, and in the other aspect, the running attitude full monitoring method disclosed by the invention is high in data acquisition accuracy, high in data exchange capacity, good anti-interference performance and high in communication efficiency in the control operation process, so that unmanned vehicle running data monitoring comprehensiveness and reliability are greatly improved.

The invention relates to the technical field of medical instruments, particularly discloses a medical germfree protecting hood which comprises an upper cover, a lower cover, a silica-gel piece and a latex sleeve. The medical germfree protecting hood is specially designed to be used for protecting a shadowless-lamp-equipment handle in an operating room in a surgical environment, and the situation that the wound portion of a surgical patient is infected due to the fact that a doctor performing surgery makes contact with the wound portion of the surgical patient after making contact with the shadowless-lamp-equipment handle in the operating room is avoided. The medical germfree protecting hood has the advantages that the latex sleeve of a protecting-hood main body is made from latex and is waterproof and elastic, the shadowless-lamp handle and the hand contacting of a surgery operator are completely separated, and the infection is prevented; the silica-gel piece is made from high-elasticsilica-gel and is good in elasticity and large in tension, and the silica-gel piece can be used for any specification of the shadowless-lamp handle model and is good in universality and high in fastening force and does not drop; the design of the upper cover and the lower cover is ingenious, in the process of the upper cover and the lower cover being closed, the latex sleeve and the silica-gel piece are both fixed simultaneously through an annular clamping buckle, and the processes of production, fabrication and assembly are simple and easy; and the latex, the silica-gel piece and the upper-lower covers being made from high-molecular materials are all quite suitable for the sterilization of ethylene oxide, and after being sterilized by the ethylene oxide, the latex, the silica-gel piece and the upper-lower covers are directly provided for medical institutions and are quite suitable for operations in the surgery-room environment.

The invention relates to the technical field of fume hood automatic door control equipment, and in particular to a digital servo energy-saving controller for fume hood automatic doors. The digital servo energy-saving controller comprises an MCU controller, a speed giving circuit, a voltage stabilizing circuit, a driving circuit, an inverter, a BLDC motor, a current detection circuit, an overcurrent detection circuit and a rotor position detection circuit, wherein the speed giving circuit is electrically connected with the MCU controller; a power supply is electrically connected with each of the voltage stabilizing circuit and the inverter; the voltage stabilizing circuit is electrically connected with each of the MCU controller and the driving circuit; the MCU controller is electrically connected with the inverter through the driving circuit; and the inverter is electrically connected with each of the BLDC motor and the current detection circuit. According to the digital servo energy-saving controller, the MCU controller is adopted to accurately control the working state of the BLDC motor, the motor rate tracking is high in speed and stable, and through a mechanical decelerator, higher power output can be obtained. Meanwhile, the digital servo energy-saving controller for fume hood automatic doors has the advantages of being simple in structure, long in service life, convenientto maintain and good in universality.

The invention discloses a side spin umbrella and its foldable electric fan which is used forming a complete set. The side spin umbrella comprises an umbrella rod, an umbrella stick, an umbrella face and an umbrella cap and the umbrella cap is arranged at the center of the umbrella; the umbrella stick supports the umbrella face and the umbrella stick consists of a plurality of master umbrella sticks and slave umbrella sticks; wherein a plurality of master umbrella sticks are respectively hinged with the umbrella cap and are distributed with taking a centrally symmetrical radiation shape; the umbrella rod consists of a master umbrella rod and a slave umbrella rod; wherein the master umbrella rod is connected with one of a plurality of master umbrella sticks and one end of the slave umbrella rod is connected with the master umbrella rod and the other end of the slave umbrella rod is connected with the master umbrella stick symmetrical to the main umbrella stick connected with the master umbrella stick; the master umbrella rod is deviated from the center of the umbrella and the central line of the master umbrella rod is parallel to that of the umbrella cap and the umbrella stick has better bearing function. The foldable fan which is used forming a complete set with the side spin umbrella comprises an electric motor supporting frame, an electric motor, a fan core and fan blades and the electric motor supporting frame is arranged at the lower end of the umbrella cap or arranged on the slave umbrella rod.

The invention provides a clamp for clamping an inner chamber of a projectile body, which belongs to the technical field of special clamping for projectile bodies and mainly comprises a supporting part, a clamping part and a supporting transmission part. The supporting part is installed on machine tool equipment through screws, the clamping part and the supporting transmission part are installed on the supporting part and inside the supporting part, the transmission part is connected with a machine tool oil cylinder to achieve front-back pulling actions to complete loosening and clamping of the clamping part, and clamping of the tool is achieved. And the structure is simple, the universality is good, the precision is high, and the consistency of product quality machining is improved. And finally, the function of machining and clamping the workpiece is achieved.