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 helicopter rotor system elastic bearing load measuring device. The helicopter rotor system elastic bearing load measuring device comprises a measurement base, an X axis direction testing mechanism, a Y axis direction bending testing mechanism, a Z axis direction bending testing mechanism, an alignment locking mechanism and a torsion testing mechanism in the X axis direction. The measurement base is composed of a detecting platform base, a rotating shaft and a bearing large-end clamp and arranged at the bottom of the helicopter rotor system elastic bearing load measuring device. The X axis direction testing mechanism is arranged on the top of the helicopter rotor system elastic bearing load measuring device, and the torsion testing mechanism in the X axis direction, the alignment locking mechanism, the Y axis direction bending testing mechanism and the Z axis bending testing mechanism are correspondingly arranged on the lower layer, the middle layer and the upper layer of the helicopter rotor system elastic bearing load measuring device in sequence from bottom to top along the axis lead in the X direction. Through the helicopter rotor system elastic bearing load measuring device, the rigidity characteristic detection on different models of helicopter rotor system elastic bearings can be performed on one detecting platform, and university is good. The detecting efficiency and the safety of personnel in the detecting process are improved, the detecting strength is reduced, the elastic bearings can be clamped on one detecting platform at a time, and force (torque) in multi-dimensional directions can be loaded and measured.

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 universal undercarriage mounting cart. The universal undercarriage mounting cart comprises a walking chassis (1), a bearing turntable (2), four lifting mechanisms (3) and a plurality of tension devices (4). The walking chassis (1) is a chassis structure of the whole cart; the bearing turntable (2) is connected above the walking chassis (1) through a bolt; the four lifting mechanisms (3) are connected with four corners of the upper plane of the bearing turntable (2) through bolts; and each lifting mechanism (3) is provided with the plurality of tension devices (4). According to the universal undercarriage mounting cart, an undercarriage is detached and mounted on an airplane or a test bench through a simple principle; and the universal undercarriage mounting cart has the advantages of reasonable and reliable scheme, low dependence on parts, no precision part, low design and manufacturing cost, simple structure, flexible motion and high mounting accuracy. The universal undercarriage mounting cart also has the advantages of convenient operation, no need of professional training, no special skill requirements, good universality and good practicability. The universal undercarriage mounting cart can be also used as a mounting and detaching tool for other large-weight members.

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 discloses a multi-angle electric rotatable ground wire device. The multi-angle electric rotatable ground wire device comprises an insulating handle, an operating rod, a rotating rod anda grounding head, wherein the insulating handle is fixedly connected to the bottom end of the operating rod; the operating rod is hinged to the rotating rod through a pin shaft; a hydraulic rod is hinged between the rotating rod and the side wall of the operating rod; and the grounding head is detachably connected to the top end of the rotating rod. According to the invention, a lower telescopic rod can control the opening, closing and rotation of an upper clamp body in multiple directions, so operation of a mechanical gripper is facilitated, and the device can adapt to different high-altitudeoperation conditions and forms; and therefore, the practicability of the device is greatly improved, and the promotion of the device is necessary and is of practical significance. The device can adapt to different arrangement forms and different thicknesses of busbars in a transformer substation, so a ground wire has better adaptability and universality, and achieves very good effect.

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 provides a public network cluster communication platform based on an Android system. The public network cluster communication platform comprises an Android-based intelligent interphone terminal module, a server cluster center module and a dispatching control center module. The public network cluster communication platform provided by the invention can be applied to traffic logistics,park security scene, outdoor and tourist scenes. The public network cluster communication platform provided by the invention has the advantages of good universality and short development cycle, the interphone terminals are mixed for use without limiting the forms of the terminals, can be matched with external microphone devices for realizing interphone in the case of screen off, and the voice interphone is highly restored, compared with the traditional interphone, the public network cluster communication platform provided by the invention has the advantages of wide coverage, availability of commanding and dispatching functions and high security.

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 general wide-angle rearview mirror bracket assembly which comprises a wide-angle rearview mirror and an installation bracket. The installation bracket is divided into an upper supporting base and a lower supporting base, the upper supporting base and the lower supporting base are connected into a whole through a bracket I, an included angle formed between the bracket I and the vertical direction is 10-15 degrees, the bracket I is provided with a bracket II rightwards, the main mirror (the wide-angle rearview mirror) is arranged on the bracket II in a sleeved mode, and an auxiliary mirror I is arranged on the bracket I under the main mirror in a sleeved mode; the bracket I is provided with a bracket III leftwards in an extending mode, the top end of the bracket III is provided with a ball head, and an auxiliary mirror II is installed on the bracket III. The general wide-angle rearview mirror bracket assembly can guarantee that the position of the general wide-angle rearview mirror bracket assembly is adjusted according personal requirements before driving, the position is limited automatically after adjustment is conducted, the positions of the brackets are not prone to changing during driving, the wide-angle rearview mirror is used as a rearview mirror, and the visual angle range is wide; according to the bracket assembly, the structure is convenient to install and adjust, and use is convenient; the bracket assembly can be adjusted within the range of 100 degrees, a 10-15-degree slant angle is adopted, wind resistance is reduced, and meanwhile a driver can observe rear situations conveniently; the bracket assembly is reasonable in structure, stable, reliable and good in universality.

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 a mold number coding online imaging apparatus, a mold number coding online imaging system and a mold number coding online detection method. The mold number coding online imaging apparatus is used for detecting the mold number code of a bottle body, and comprises a light source and a camera, wherein the light source is arranged below the bottom of the to-be-detected bottlebody, and irradiates toward the bottom of the to-be-detected bottle body, and the camera is arranged above the mouth of the to-be-detected bottle body, and takes photograph toward the mouth of the to-be-detected bottle body. The apparatus of the present invention has advantages of good imaging effect, good universality and good compatibility.

The invention relates to a secondary electron yield calculation method based on a first principle, and the method comprises the steps: obtaining an energy loss function and a surface work function of a material through the calculation of the first principle; and tracking each scattering collision process of each electron in the material according to the energy loss function and the surface work function by using a Monte Carlo simulation method, and obtaining the secondary electron yield of the material by counting all emergent electrons. According to the method, secondary electron calculation does not need to depend on experimental data any more, if parameters related to materials are obtained through experiments, the cost is high, the bottleneck is broken, and a backstepping fitting method for measuring the secondary electron emission coefficient through the experiments is not adopted; and the method has good universality and popularization value.

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 relates to an ammunition packaging device, in particular to a light-weight ammunition packaging device to solve the problems that an existing packaging box is large in weight, poor in universality, prone to being affected with damp and mildewing and difficult to meet storage and conveying of ammunition of different models, a packaging barrel matched with the packaging box is complex in lifting and ammunitions are inconvenient to store and take. According to the technical scheme, the light-weight ammunition packaging device comprises a storage and transportation clamp and a packaging barrel used for being filled with ammunitions; the storage and transportation clamp comprises a lower base and an upper cover body buckled on the lower base; the lower base comprises a left base, a middle base, a right base and at least two lower supporting rods connected with the left base, the middle base and the right base; and the upper cover body comprises a left cover body, a middle cover body, a right cover body and at least two upper supporting rods connected with the left cover body, the middle cover body and the right cover body.

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 relates to a papermaking blanket production method capable of preventing the surface of a blanket from being uneven and a knitting machine. The method includes four steps: presetting a knitting scheme, knitting on trial, knitting a papermaking blanket finished produce, and resetting the knitting machine. The method is simple in process implementation, high in universality and environment adaptability, capable of effectively meeting needs on actual implementation of various papermaking blanket knitting machine devices and low in modification cost of the knitting machine devices; stability of fabric surface tension in the process of knitting can be improved effectively while coordination between fabric movement and needling operation of the knitting machine is improved, stability and reliability of product quality in the process of papermaking blanket production are improved greatly, and needle breaking when the knitting machine runs is avoided effectively, so that papermaking blanket product quality and running stability and continuity of the knitting machine are improved greatly, and costs of papermaking blanket production and knitting machine device maintenance operation are lowered effectively.

The invention discloses a control device and control method of an outboard engine of an unmanned ship. The control device comprises an outboard engine fixed at the tail of the unmanned ship; a control mechanism of the outboard engine is connected with electric push rods through soft control shafts; an ignition / flameout control circuit of the outboard engine is connected with a voltage output module through an ignition / flameout control cable of the outboard engine; a sliding potentiometer is arranged in parallel under each electric push rod; the tail end of the push rod of each electric push rod is connected to the tail end of a sliding rod of the corresponding sliding potentiometer in a fastening manner; the power line of each electric push rod, the power output line of each sliding potentiometer, and the power output line of the voltage output module are separately connected with a signal control circuit; the signal input end of the voltage output module is connected with a shipborne embedded controller. The control device disclosed by the invention overcomes the difficulties and defects of applying a hydraulic control device during driving the unmanned ship, and combines the advantages of a mechanical control device; a manner that the electric push rods combine the mechanical soft shafts is adopted, so that the control precision and the reliability are guaranteed, and the automatic control of a throttle, rudder angles and shifts is realized.

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.

The invention relates to a gas-controlled marching type pressure regulation device. A pressure regulation structure piece comprises a transition bracket, a pressure reduction valve body, a stepping motor, a coupler, a nut, a screw rod, a spring, a membrane and a pressure sensor, wherein the nut is used as a movable spring seat to compress and release the spring; the pressure applied by the spring on the membrane changes, so the membrane deforms, and the aperture of a gas inlet changes with the change of the membrane; closed loop control is implemented inside a system, a gas pressure setting value is set by an industrial personal computer and then is compared and calculated with an actual detection valve acquired by the pressure sensor, after a result is obtained, the industrial personal computer outputs a pulse signal to control the stepping motor to carry out regulation, so as to regulate the aperture of the valve opening; the device can be communicated with an RS232 interface with high stability, can be accessed into the internet, the software adopts a MODBUS-RTU protocol, the data transmission is stable, the generality is good, remote control is carried out, the regulation accuracy is high, the industrial personal computer acquires signals, calculates and compares the results, and then regulates at any time according to the real-time change of gas pressure.

The invention discloses a crystal gel for hemostasis and carrying anticancer drugs and a preparation method thereof. The preparation method firstly modifies double bonds on biological macromolecules, grafts polyphenolic compounds on biological macromolecules, and utilizes dopamine Molecules and Zn 2+ Ion coordination to prepare dopamine-modified ZIF‑8. Each component is prepared into an aqueous solution or dispersion, and then under the action of an initiator, a multifunctional water / blood-triggered shape memory gel is formed at low temperature through double bond polymerization. The present invention is based on biological macromolecules such as polysaccharides with good biocompatibility and degradation performance, and the process of chemically grafting double bonds or polyphenolic compounds also has the characteristics of low toxicity and no pollution. The double bond functionalization used in the present invention The biomacromolecule is simple to prepare, the synthesis technology is mature, and the prepared product has a good general type.