1103results about How to "Safe and reliable performance" patented technology

The invention discloses a wear type lower limb assistant robot, a folding method thereof and a hand luggage for carrying. The robot is characterized by comprising a lower limb assistant mechanical device and a servocontrol system, wherein the lower limb assistant mechanical device is provided with wearable assistant mechanical legs which are symmetrically arranged on the two sides of a wearable waistband. The wearing load on human bodies can be effectively relieved, and the robot has the characteristics of high safety performance, simple man-machine coordination control, good following assist effect, high cost performance and the like; the robot can be changed into a portable body which is compact in structure through the folding method, and a user can conveniently carry and store the robot in various manners through matching with the hand luggage for carrying, so that the nursing requirements of the middle-aged and the aged people on daily activities such as walking and walking up and down stairs can be better satisfied.

The present invention relates to a heat pipe type spherical disc type solar energy light and heat collector, belonging to the solar energy heat collection establishment technical field, which includesa spherical reflecting mirror disposed on the solar energy optical tracker system and a steam drum supported above the reflecting mirror. The steam drum is made up of an inlet and an outlet and stored up with working medium. A heat pipe type vacuum heat collecting pipe is arranged on the focusing part of the spherical reflecting mirror. The heating zone of the heat pipe type vacuum heat collecting pipe is positioned on the condensing wimble of the spherical reflecting mirror. The cooling zone of the heat pipe type vacuum heat collecting pipe is inserted into the working medium of the stream drug. The invention has simple technology, low cost, scientific design and easy to generalization and application. It has been found that the invention has fast tempera the rise, excellent heating effect, high efficiency, suitable for large scale industrialization production, secure and reliable performance.

The invention provides a solid energy saving screw cleaning agent which can prepare non-corrosive and non-abrasive energy saving screw cleaning material. The raw material formula of the cleaning agent is as follows by weight percentage: 40-60% of matrix resin, 30%-40% of modified powder and 10-20% of auxiliary agent, and the sum of the weight percentage of all the components is 100%; the auxiliary agent is a cleaning surface, a surface active agent, a lubricating agent, a forming agent and a blowing activator; the raw material formula of the modified powder is as follows by weight percentage: 83-97% of inorganic powder, 2.0-8.0% of dispersing agent and 1.0-5.0% of coupling agent. According to the proportion of the formula, the matrix resin, the prepared modified powder, the cleaning agent, the surface active agent, the lubricating agent, the forming agent and the blowing activator are added into a high-speed mixer, and then are extruded and formed by an extruder to obtain the solid screen cleaning agent.

In a photobiomodulation therapy (PBT) process, defined patterns (e.g., sequences of square-wave pulses, sine waves, or combinations thereof) of electromagnetic radiation (EMR) having one or more wavelengths, or spectral bands of wavelengths, are introduced into a living organism (e.g. a human being or animal) using a distributed system comprising two or more distributed components or “nodes” communicating using a bus or transceiver to send instructions or files between or among the constituent components. The distributed PBT system prevents intentional usurpation of system control (hacking), thwarts unauthorized monitoring of data (surveillance), and reduces the likelihood and severity of accidental system malfunction arising from corrupted command and control packets or ambient EMI.

The invention provides a multi-functional combustion experimental system, comprising an upper computer, a control system, an air supply unit, an air outlet valve, a safety valve, a sample experiment unit, an exhaust gas collector, an air concentration measuring unit and the like. A combustible matter is placed in the sample experiment unit, then a plurality of gases are flown to the sample experiment unit according to preset ratio through the air supply unit; then the temperature of the sample experiment unit is controlled or an automatic ignition device is controlled to enable the combustible matter to burn; a temperature sensor arranged at the sample experiment unit is employed to measure the combustion state of the combustible matter and space and temperature distribution; When combustion is finished, the combustion products are discharged into the air concentration measuring unit through the air outlet valve; and a plurality of air concentration sensors arranged in the air concentration measuring unit are employed to measure components and concentrations of gases in the combustion products. The multi-functional combustion experimental system of the invention features multiple functions and good universality, can finish multiple experimental working conditions in a single experiment and greatly improve experimental efficiency.

The invention discloses an assembly process of a cylindrical lithium-ion cell. The assembly process comprises the steps of (1), ultrasonically flattening two ends of a winding core; (2), wrapping two ends of the winding core with bottom adhesive tapes; (3), inserting the winding core into a shell; (4), welding a combined body of a flow collection plate and a cover plate on two ends of the winding core; (5), bending a flow collection plate lug; (6), bending the cover plate; (7), forming a lug; (8), embedding the cover plate; and (9), welding the cover to the shell through laser. The assembly process of the cylindrical lithium-ion cell is standard and normal in process; due to adoption of the combination of the flow collection plate and the cover plate, the combined cover plate is welded to the two ends of the winding core, so that the time for shaping the lug is shortened; due to the adoption of a welding manner of ultrasonically flattening and welding two ends through laser, the winding core is inserted into the shell, and then two ends of the winding core are welded, so that the bending and abrasion of the winding core plug are reduced; the yield of subsequent periphery welding is improved, thereby ensuring that the product performance is safer and more reliable.

The gravitationally balancing vertical ship elevator for launching and upsloping ship in ship yard includes tower columns on two sides, driving pulley devices on the tower columns, steel cables configured in the driving pulley devices and with one end connected to the under carriage inside the tower column and the other end connected to balance weight, and locking device inside the tower column and fitting the under carriage, as well as floating pontoon, which is connected via movable connecting device to the under carriages and has ballast tanks connected with water feeding and draining device. The present invention completes the ascent and descent of ship in gravity balancing mode and converts the gravitational potential energy to reduce the needed driving power for the ship ascending process. The present invention has the advantages of reduced and simplified driving configuration, low power consumption, and low cost, etc. and is especially suitable for launching and upsloping ship in steep berth.

The invention discloses a heterogeneous network operation and maintenance management method based on user perception. The method comprises the steps that 1, heterogeneous network operation and maintenance data are collected by a base station and a network monitoring node; 2, the obtained heterogeneous network operation and maintenance data are processed in a unified mode, and a unified operation and maintenance data model is built; 3, correlation analysis is carried out on the heterogeneous network operation and maintenance data and network faults according to the built operation and maintenance data model to achieve network fault positioning; 4, the network node independently analyzes the positioned faults, adjusts corresponding operation and maintenance data and achieves fault self recovering and network optimization. After network operation and maintenance data excavation analysis and network fault positioning, network self recovering is achieved by optimizing network parameters, user experience is improved, and network intelligent operation and maintenance are achieved.

The invention relates to a mechanical self-powered wheelchair for walking up and down stairs, which belongs to the technical field of wheelchairs. The mechanical self-powered wheelchair comprises a seat self-balancing adjusting mechanism, a wheelchair frame, a hand wheel, crawler walking mechanisms, a multi-path power transmission system, hand wheel elevating mechanisms, guide wheel mechanisms, a one-way ratchet wheel mechanism and braking mechanisms, wherein the seat self-balancing adjusting mechanism is arranged on the upper part of the wheelchair frame; the multi-path power transmission system is arranged on the lower part of the seat self-balancing adjusting mechanism and at the middle part position of the wheelchair frame; the hand wheel elevating mechanisms are arranged on both sides of the wheelchair frame; the walking mechanisms are arranged on both sides of the lower part of the wheelchair frame; the guide wheel mechanisms are arranged on the front two sides of the wheelchair frame; the braking mechanisms are arranged both sides of the wheelchair frame close to seat handrails; and a one-way ratchet wheel is arranged at the front end of the wheelchair frame. The invention provides a mechanical self-powered wheelchair for walking up and down stairs, which is economical and reasonable in price, moves stably and continuously, has safe and reliable performance, can be used for assisting a user in walking up and down stairs without help of other people, and is convenient to operate.

The invention puts forward a USB (Universal Serial Bus) flash disk secure storage method based on the virtual file system, which constructs a virtual disk in a USB flash disk on the basis of the virtual file system and adopts a multi-level security measure to protect data, so that the storage and use of the USB flash disk are safer and more reliable. The technical scheme is as follows: a secure partition is allocated in the USB flash disk and formatted into the virtual file system as a virtual disk which exists in the form of a file but actually is a file system; on the basis of the unique identifier of the USB flash disk, the USB flash disk is bounded with the virtual disk to prevent copy; entering the virtual disk requires a user to input a key, and the key inputted by the user is protected by a specific generating algorithm and a key management mechanism; the virtual disk is encrypted and decrypted; the user also can bind a computer using the virtual disk in order to control access to the virtual disk.

The present invention belongs to the field of automatic control technology. The dynamic material compounding controlling device consists of processor, data I / O card and operation software. The processor is connected to the programmable controller, and the programmable controller has data input connected to the weighing sensor and the speed sensor and data output connected to the material compounding drive motor via one frequency variator. The dynamic material compounding method includes for the processor to acquire the input data, control the output data to control material compounding and receive and control the data of the programmable controller; for the processor to acquire dynamically the data from the weighing sensor and the speed sensor, process the data and control the frequency variator dynamically; and for the frequency variator to realize the dynamic material compounding control. The present invention has high control precision, and is safe and reliable.

The invention discloses a straddle type monorail traffic joint type five-slip track switch comprising a first track switch beam, a second track switch beam, a third track switch beam, a fourth track switch and a fifth track switch beam arranged in sequence; 6 bogies are arranged in sequence on the five track switch beams; the bogie arranged on the outer side of the first track switch beam is mounted on a track switch fixed end; the other five bogies are arranged on a walking rail of the track switch mount base, so the 6 bogies can connect and support the five track switch beams; said 5 bogies are respectively provided with a locking device used for locking the 5 track switch beams after switch motions; a first drive unit, a second drive unit and a third drive unit are respectively arranged below the second, fourth and fifth track switch beams, thus realizing track switch beam switching; the first, second and third drive units are connected with a control system; the straddle type monorail traffic joint type five-slip track switch is easy to mount and debug, and convenient in anaphase maintenances.

The invention provides a Z2CND18-12N control nitrogen stainless steel forging technology relates to the processing method of stainless steel material. The invention uses raw materials controlling chemical compositions and selects lower solid solution treatment temperature through three-section temperature rise method and heat treatment. The temperature rise speed in the heat treatment is not greater than 150 degrees centigrade and the heat holding time is calculated according to 1.5min / mm and not less than 2.5h. The Z2CND18-12N control nitrogen stainless steel forging material processed by the method of the invention has strength above 460Mpa stably at high temperature of 350 DEG C to meet the component manufacturing requirements of nuclear power industry. The processing method is applied for manufacturing important components such as nuclear power pipe flange.

The invention discloses a proxy re-encryption system on the basis of certificate conditions. The proxy re-encryption system comprises a system parameter setting module, a user key generation module, a certificate generation module, an encryption module, a proxy re-encryption key generation module, a proxy re-encryption module and a decryption module, wherein the system parameter setting module generates a system master key and system public parameters; the user key generation module generates public keys and private key pairs of various users; the certificate generation module endorses the identity of the users and the public keys and generates certificates of the users; the encryption module is used for encrypting messages and transmitting the messages to the decryption module and the proxy re-encryption key generation module; the proxy re-encryption key generation module generates proxy re-encryption keys and transmits the same to the proxy re-encryption module; the proxy re-encryption module re-encrypts original cryptographs to generate re-encryption cryptographs to be transmitted to the decryption module; the decryption module restores corresponding plaintexts. The invention further discloses a proxy re-encryption method on the basis of certificate conditions. On the premise of guaranteeing safety of the system, the original cryptographs can be flexibly subjected to proxy re-encryption, and rights of proxies are strictly controlled.

The invention belongs to the technical field of clad material continuous casting, in particular to clad material solid / liquid composite dual-solidification continuous casting and forming equipment and method. The clad material solid / liquid composite dual-solidification continuous casting and forming equipment and method are characterized in that inversion solidification and forward solidification continuous casting and forming are combined, the measures that core materials are not heated in advance, an inversion solidification device with small capacity is designed, the core materials are prevented from penetrating through clad layer melt metal for a long time, the melt metal flows out from the bottom of a crucible by relying on self-weight, and the size of the inversion solidification device and the size of a water-cooled crystallizer are controlled effectively are taken, the high quality clad materials of needed shapes and sizes are formed through continuous casting, and the equipment and the method are especially suitable for continuous casting forming of the high quality clad materials with the melting point of the clad layer metal lower than that of the core material metal. The equipment and method have the advantages that the equipment is simple in structure, parts are easy to replace, operation and maintenance are convenient to carry out, layout is reasonable and compact, investment is small, industrialized application and popularization are facilitated, the procedure of the forming process is short, energy is saved, environment is protected, cost is low, the combination freedom of the clad layer metal and the core material metal is large, and the prepared clad materials are good in quality and performance.

The invention discloses an improved automatic control hydraulic drive oil pumping machine. A machine base is fixedly provided with an upright hydraulic cylinder and a support frame; the top part of a piston rod of the hydraulic cylinder is provided with a moving pulley; an upper platform of the support frame is provided with a chain wheel, and the outer side of the upper platform is hinged with afront platform with a guide chain wheel; a lifting oil cylinder is hinged with the machine base, and a piston rod of the lifting oil cylinder is hinged with the front platform; one end of wire rope is connected with a wire rope adjuster, and the other end is connected with the bottom part of a balancing tank by the moving pulley of the hydraulic cylinder through a fixed pulley of the machine base; a chain connected with the top part of the balancing tank is connected with a polished rod eye by the chain wheel and the guide chain wheel; an oil channel between a variable oil pump on the hydraulic circuit and the hydraulic cylinder is provided with a liquid control reversing valve, a one-way throttle valve, a hand operated reversing valve, an electromagnetic valve and a three-way rotary diskvalve in sequence, and the oil charging channel and the oil discharging channel of the hydraulic cylinder are connected with the lifting oil cylinder by the three-way rotary disk valve respectively. The oil pumping machine is small in volume, low in energy consumption, good in energy saving effect, reliable in performance and convenient in use, and can conveniently solve a space problem for well repair without moving the main machine during well repair.

The invention relates to a single-pipeline pneumatic bait-feeding device for aquaculture. The device mainly comprises pneumatic bait conveying external feeding type bait-feeding machines, main pipe through sliding block type valve element distribution valves and pneumatic jetting feeders. According to the composition and connection of the basic structure of the single-pipeline pneumatic bait-feeding device for aquaculture, the number of the pneumatic bait conveying external feeding type bait-feeding machines, the number of the main pipe through sliding block type valve element distribution valves and the number of distribution branch pipes are set according to specific feeding target demands. Each terminal feeding point needs to be provided with one set of components. The main pipe through sliding block type valve element distribution valves are connected with one another through conveying main pipes. The comprehensive technology combining pneumatic material conveying and aquaculture bait-feeding machines is adopted for the single-pipeline pneumatic bait-feeding device for aquaculture, bait is pneumatically conveyed to multiple aquaculture destinations through a pipeline, terminal feeding devices feed the bait according to breeding process requirements, and therefore the function of conveying the bait to the multiple bait-feeding destinations through one pipeline is achieved.

The fully automatic multifunctional food processing machine includes pedestal, cup and top cover; filtering net cup, cutter and heater inside the cup; motor, transformer, control circuit board and power plug in the pedestal. The cutter consists of blades, shaft and seat; the motor has driving wheel mounted in the output shaft to mesh with the cutter shaft; the heater plate comprising electrothermal pipe and metal plate is mounted in the bottom of the cup; and the heater plate is provided with bimetal temperature protector. The present invention has heating part and electric part mounted separately in the cup and the pedestal, and separating these two parts will turn off power completely. The present invention is safe, reliable and long in service life.

The invention relates to a preparation method for a diamond cutting grinding piece. The diamond cutting grinding piece comprises a diamond cutting grinding piece body arranged on a 65Mn steel substrate, and corrugated water channels are formed in the surface of the diamond cutting grinding piece body. The preparation method for the diamond cutting grinding piece comprises the steps of material mixture, substrate machining, compression forming, sintering and edge forming. The diamond cutting grinding piece produced through the preparation method for the diamond cutting grinding piece has the cutting effect and the grinding effect, and is safe and reliable in performance, simple and reasonable in structure, low in manufacturing cost, flexible in operation, good in sharpness of products and good in chip-removal performance.

The invention provides a biological method for processing spiramycin bacteria residue. Through the use of a composite microbe fermenting agent and a composite enzyme preparation, the spiramycin bacteria residue is used as a main raw material and added with other auxiliary materials together to form a fermenting substrate for solid fermentation; a fermenting product is subjected to high-temperature drying and inactivation to obtain a product; and the obtained product can be used as a microbe culture medium nitrogen source or a feed protein source. The method has the characteristics of simple process, easy operation, short processing time and high processing efficiency; and the processed product has safety, reliability and excellent performance, thereby solving the problem of pollution of the spiramycin bacteria residue and realizing resource reutilization.

This invention is about a kind of camera tripod legs. In this invention there is an open and close regulator between the landing leg saddle and the main block that can fast adjust the open angle of the landing legs. The ratchets on the leg seat geared into the pawls, this can control the open angle of the landing legs. The taper screws and the taper nuts in the leg interacts together to control the locking and releasing of the legs. There is no measuring regulating figure plates on the top of centre shaft, but a pulled hooker on the bottom.

The invention belongs to the field of petroleum product additives, and particularly relates to an ethanol gasoline composite additive and a preparation method thereof. The composite additive is prepared from co-solvent, combustion improver, corrosion inhibitor, vapor pressure inhibitor, detergent dispersant and surfactant serving as raw materials. The composite additive added into ethanol gasoline totally can replace gasoline, and is energy-saving, clean and environmentally-friendly. The ethanol gasoline prepared by using the additive can be mixed and used with the gasoline for vehicles in different ratios; the synthesized gasoline has no poor corrosion, has good dynamic property, oxidation resistance, explosion resistance and good oil-saving effect, prolongs the service life of an engine, obviously reduces harmful gas emission in automobile exhaust, is extremely favorable for protecting the environment and saving the energy, and has good economic benefit and social benefit; and because of the surfactant, the additive improves the storage and transportation stability of the ethanol gasoline, and does not produce phase separation or sediment after long-time storage.

The invention provides a plant oil-based offset lithographic printing ink formula and a preparation method thereof. The plant oil-based offset lithographic printing ink formula comprises, by weight, 30-35 parts of soybean oil, 19-29 parts of tung oil, 2-5 parts of soya alkyd resin, 30-35 parts of rosin-modified phenolic resin, 2-6 parts of a dry conditioning agent, 2-5 parts of a gelling agent, 18-28 parts of a pigment, 5-10 parts of a filler, 7-7.5 parts of other auxiliary agents and 2-5 parts of a drier. The preparation method comprises 1, binder preparation, 2, accessory material addition, 3, printing ink rolling and 4, re-rolling. The plant oil-based offset lithographic printing ink formula has the advantages of good rheological performances, fast curing performances, passing performances, good glossiness and good stability and is especially suitable for newspaper and periodical printing.

The invention provides a temperature regulator of an internal combustion engine, which belongs to the engine parts technical field, and has the characteristics that the lateral wall of a cylindrical rotor is provided with a cooling water outlet, wherein the rotor is capable of being connected with the big and the small loop water-outlets of the valve when the rotor rotates; the top end of the rotor is connected fixedly with one end of the rotor shaft, and the other end of the rotor shaft rotates in collaboration with a stepper motor via a retarder; the valve of the temperature regulator is connected with the body of the internal combustion engine via the bottom of the pedestal linking with a flange. The invention solves the inertia problem of the thermostat on the conversion of the main and the secondary valves, achieves the goal that cooling water is capable of being converted between complete greater circulation and lesser circulation only when the working temperature of the engine reaches the optimal temperature, avoids the problem of boiling for the internal combustion engine when works under climatic conditions of high temperature, keeps the tightness of the thermostat, prevents the cooling water from leaking into the radiator when the cooling water performs complete greater circulation and lesser circulation, and precisely controls the flow of the cooling water flowing through the radiator.

This invention relates to an assembly technology after packing the bottom of a rolled core of a Li ionic cell characterizing: 1, wrapping an adhesive tape to the bottom of a rolled core by the book, 2, adding a pad to be fixed, 3, pre-shaping to a positive pole ear, 4, welding the cell cover, 5, welding the positive pole ear, 6, shaping the cover to 90deg., 7, lifting the negative pole ear, 8, pressing the cover and rolling the core, 9, putting the entire rolled-core in the shell, 10, welding the surroundings of the shell and the cover after the core enters into the shell to finish the fitting.

The invention discloses a hydraulically driven three-dimensional parking garage with a gear pair amplification mechanism. It includes the main frame composed of columns, crossbeams and longitudinal beams, the upper vehicle plate that can be lifted and moved horizontally, the lower vehicle plate that can move horizontally on the lower guide rail, and the hydraulic cylinder is fixedly installed on the left longitudinal beam. The beams are arranged in parallel, the top of the piston rod of the hydraulic cylinder is connected with a rack, the roller seat is installed on the left longitudinal beam, and the roller seat is connected with a gear shaft for rotation, the gear on the gear shaft meshes with the rack, and the gear shaft on the A reel is arranged coaxially, and the diameter of the reel is larger than the pitch circle diameter of the gear, so the action distance of the piston rod of the hydraulic cylinder is enlarged, and the lifting speed of the upper vehicle plate is improved. The reel is connected with the upper vehicle board through a rope suspension device. Compared with the three-dimensional parking garage that adopts the stroke amplification mechanism composed of movable pulley and fixed pulley, the present invention has the characteristics of simple structure, fast running speed, low noise and safe and reliable performance.

The invention relates to a bulk collecting and intensive placing spinning cake device for a semiautomatic joint spinning machine. At present, equipment special for carrying and intensively placing spinning cakes scattered on every spinning machine. The bulk collecting and intensive placing spinning cake device comprises a forklift body, and is characterized by further comprising a driving piece, a spinning cake storage rod transposition device, a spinning cake storage rod lateral sway device, a plurality of spinning cake storage rods, spinning cake push heads and spinning cake storage rod reversing devices, wherein the spinning cake storage rod transposition device is provided with a filament taking working position; the spinning cake storage rod lateral sway device is arranged at the front end of the forklift body; the spinning cake storage rod transposition device is arranged on the spinning cake storage rod lateral sway device; on the spinning cake storage rod transposition device,every spinning cake storage rod is arranged on the spinning cake storage rod transposition device through a spinning cake storage rod reversing device; the spinning cake storage rods have horizontal structures; each spinning cake push head is arranged on a spinning cake storage rod respectively; and the driving piece is connected with the spinning cake push heads. The bulk collecting and intensive placing spinning cake device has a reasonable structural design, the labor frequency of workers can be lowered effectively, the labor intensity is lowered, and the labor resource is saved.