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188 results about "Creative design" patented technology

Static and dynamic comprehensive test system considering soil expansion and contraction characteristics under temperature gradient

The invention discloses a static and dynamic comprehensive test system considering soil expansion and contraction characteristics under temperature gradient. A temperature controlled circulating cavity at the upper end of a sample is used for carrying out low temperature freezing and warming thawing on the sample, so as to simulate the phenomenon of frost heave and thawing settlement in combination with actual implementation; the humidity change of the sample is accurately controlled by means of vapor, so as to better simulate the phenomenon of dry shrinkage and wet expansion in actual engineering; an electron microscope which can freely rotate and go up and down is designed to omnidirectionally scan the side of the sample, and is used for assisting in observing the changes of the internalstructure of the sample caused by the change of an external environment and provide theoretical support for the analysis of the change of physical and mechanical properties; a creative design of a double-layer silicone oil ring is proposed to improve the test accuracy, so as to obtain effective expansion force; in addition, optical fiber is arranged on the side wall of the sample to monitor temperature accurately, and in combination with a local strain sensor on the outer side of the sample, the overall strain of the sample is monitored comprehensively; the practical value and promotion valueof the static and dynamic comprehensive test system are high, and is of great significance for indoor simulation of freeze thawing and expansion and contraction of expansive soil and monitoring on changes of various indicators.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Creatively designed network platform constructing and applying method

A creatively designed network platform constructing and applying method relates to the field of creative design of products, information retrieval and computer network service, and comprises the following steps: demand analysis software, a knowledge base system, a multi-layer research software, an online computer aided innovation software and scheme evaluation software are arranged in a server; (2) a user sends user requirements into the server on a remote networking computer and converts the user requirements into design demand data and returns the design demand data; (3) the user inputs the design demand data into the knowledge base system, the multi-layer research software or/and the online computer aided innovation software; (4) after the user solves, the server generates a first principle solution, a second principle solution or/and a third principle solution; (5) the user inquires and obtains a fourth principle solution in a patent database and a domain knowledge database by utilizing the first principle solution; and (6) the user inputs evaluation parameters and a formula for scheme evaluation. According to the method, a systematic creative design tool is provided, a user interface is set, more creative schemes are generated, the design efficiency and the design quality of the product are improved greatly, and the development period of new products is shortened.
Owner:SICHUAN UNIV

Method and device for automatically creating application development of Internet of Things and server

ActiveCN109885293AImprove training effectPromote innovative and creative designCreation/generation of source codeThe InternetTraining effect
The invention provides a method and a device for automatically creating internet of things application development and a server. The method comprises the following steps: obtaining an internet of things creation file uploaded by a user through a preset interface; wherein the Internet of Things creation file comprises an Internet of Things description file and an Internet of Things creation code; wherein the Internet of Things creation code is related to the description file; generating a hardware configuration file corresponding to the Internet of Things creation file, and displaying the hardware configuration file to prompt a user to determine target hardware information based on the hardware configuration file; when the target hardware information determined by the user is received, generating a control program corresponding to the target hardware information; and if a hardware connection confirmation instruction of the user is received, burning the control program to target hardwarecorresponding to the target hardware information to obtain a target Internet of Things application so as to complete automatic creation of the Internet of Things application. The practical training effect of the Internet of Things can be effectively improved, and meanwhile, the innovative and creative design of the Internet of Things can be promoted.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG

Conical damping hole type buffer for undercarriage of passenger plane

The invention provides a conical damping hole type buffer for an undercarriage of a passenger plane. The conical damping hole type buffer comprises an external fastening connection assembly, an internal movable assembly and a separation part, wherein the external fastening connection assembly comprises an outer actuating cylinder, a travel plunger and a sealing device structure; the internal movable assembly comprises an inner actuating cylinder and a damping piston head; the separation part comprises a damping braking valve and an air chamber partition plate piston; a conical damping hole A is formed in the center at the bottom of the travel plunger; and a plurality of conical damping holes B are formed on the outer edge of the damping piston head uniformly along the axial direction. In the conical damping hole type buffer for the undercarriage of the passenger plane, the optimal buffer full-travel variable damping working condition is realized by designing conical angles of the conical damping holes and an area ratio of oil inlet/outlet end faces in a creative design method for the conical tubular damping holes. Simultaneously, compared with the conventional oil needle type design, the conical damping hole type buffer has the advantages that a structure is simpler and difficult to damage due to friction, impact and the like, and the manufacturing and maintenance cost is low.
Owner:BEIHANG UNIV

Auxiliary lifting device for vehicle wheel hub machining

The invention discloses an auxiliary lifting device for vehicle wheel hub machining. The auxiliary lifting device comprises a base; lifting mechanisms are mounted on the two sides of the top of the base; a clamping mechanism is fixed between the lifting ends of the two lifting mechanisms; and the lifting mechanisms comprise lifting cylinders, driving motors, threaded rods, sliding sleeves, limiting sleeves and limiting rods. A rotating shaft is movably mounted on the other side of a rotating seat; the clamping mechanism is fixed between the rotating shaft and a rotating mechanism; the clampingmechanism comprises annular plates; round holes are formed in the bottoms of the annular plates; a plurality of hydraulic cylinders are fixed to the inner walls of the annular plates in the circumferential direction at equal intervals; and arc-shaped clamping plates are fixed to one sides, away from the inner walls of the annular plates, of the hydraulic cylinders. Pull rod motors are symmetrically mounted on the two sides of the bottom of the annular plates; and supporting plates are fixed to the tail ends of pull rods of the pull rod motors. The design is ingenious and the structure is reasonable; and the creative design greatly improves working efficiency, and popularization is facilitated.
Owner:TIANJIN HAOYAN TECH DEV

Preparation method of silicon carbide powder

The invention discloses a preparation method of a silicon carbide powder. The preparation method comprises the following steps: firstly, preparing reactants: according to certain proportions, preparing silicon powder, carbon powder, a nucleating agent and a catalyst, and thoroughly mixing the raw materials, wherein the silicon powder contains 10-50% of amorphous Si by mass; then, performing combustion synthesis: putting the prepared reactants into a combustion synthesis reaction device, vacuumizing the reaction device, inflating nitrogen, igniting the reactants through heating an electrified tungsten wire, and sustainably combusting the ignited reactants till complete reaction; finally, collecting and treating a product. According to the method provided by the invention, enlargement of equipment becomes possible through creative design, and synthesis of more than 100kg of nano or sub-micron silicon carbide powder in a single furnace is achieved at a relatively low temperature and a relatively low pressure; due to the preparation method, a combustion synthesis technology of silicon carbide can be indeed popularized for large-scale industrial production, and a brand-new and low-cost production technology is provided for producing high-quality ultrafine silicon carbide powder.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Unit medium analytical method for optimizing magnetic medium array combination

The invention provides a unit medium analytical method for optimizing magnetic medium array combination and belongs to the technical field of extracting or removing fine weak magnetic particles from raw materials. The method comprises the following steps of: regarding a magnetic medium stack with a certain thickness as the sorted combination of a plurality of thin-layer unit medium modules; causing medium filaments on the modules to be capable of viewing capturing phenomenon of magnetic particles; and realizing the effective qualitative analysis and accurate quantitative determination for the capturing behavior for the magnetic particles in the magnetic medium stack, thereby confirming the optimized magnetic medium array combination specific to the characteristics of the materials. According to the method, the visual research on the capturing behavior for the magnetic particles in the magnetic medium stack is realized and the qualitative analysis and the quantitative determination are combined, so that the method is applied to the creative design for high-gradient magnetic separation technique as well as the technical upgrading for the presently applied high-gradient magnetic separation technique and has important application prospect.
Owner:KUNMING UNIV OF SCI & TECH

Pre-oxidizing furnace

ActiveCN110485000ASolve the defect that it is easy to form a windless dead zoneGood pre-oxidation effectTextile/flexible product manufactureFibre chemical featuresFiberCarbon fibers
The invention relates to a pre-oxidizing furnace. The pre-oxidizing furnace comprises a furnace body, an air outlet device and an air return device, wherein the furnace body is internally provided with silking channels distributed in the length direction of the furnace body; the furnace body is internally provided with two mutually independent air return channels; the air outlet device comprises multiple distributors arranged at vertical intervals, and the vertical intervals between the adjacent distributors form tow channels; the air return device comprises multiple air return boxes arrangedat vertical intervals; the two ends of each distributor are provided with first air outlet ports communicated with the corresponding tow channels respectively, and the air outlet directions of the first air outlet ports are parallel to the silking direction; the two sides of each distributor are provided with second air outlet ports communicated with the corresponding silking channels respectively, and the air outlet directions of the second air outlet ports face the corresponding tow channels. According to the pre-oxidizing furnace, through the creative design of the distributors, the defectthat air-free dead zones are easily formed in the tow channels between the adjacent distributors is overcome; in the process of producing carbon fibers, the pre-oxidation effect of the fibers is good.
Owner:ZHEJIANG JINGGONG SCI & TECH

Pipe joint retaining device for pipe-jacking method tunnel engineering

InactiveCN106761774ALess back roomImprove the anti-regression effectTunnelsHydraulic pumpRetaining Pin
The invention discloses a pipe joint retaining device for pipe-jacking method tunnel engineering. The pipe joint retaining device comprises a hydraulic pump, a rotary shaft gear, a retaining pin, jacking heads and hydraulic rods. Retaining clamping grooves are formed in a retaining plate, the retaining plate is connected with the rotary shaft gear through a connector, a bottom supporting structure and a pipe jacking pipe joint are connected through supporting columns, a motor is connected with the hydraulic pump, a back supporting structure is connected with a hydraulic jack set, a controller and a hydraulic unit are arranged at the lower end of the hydraulic jack set, a side support is connected with a vertical support, and the jacking heads are connected with the hydraulic rods. According to the pipe joint retaining device for pipe-jacking method tunnel engineering, an existing pipe joint retaining device for pipe-jacking method tunnel engineering is used in combination for creative design, according to the pipe joint retaining device for pipe-jacking method tunnel engineering, the treatment scheme that the motor, the hydraulic pump, the retaining plate and the side support are combined is adopted for retaining the pipe jacking pipe joint, and the retaining effect is greatly improved.
Owner:CHINA RAILWAY LIUYUAN GRP CO LTD

Multi-stage mineral crushing mechanism

The invention discloses a multi-stage mineral crushing mechanism. The multi-stage mineral crushing mechanism comprises a base, a rack, a driving motor, belts, belt wheels, a moving jaw, a fixed jaw, a connecting rod, roller groups and a gear, wherein the rack is arranged on the base; the moving jaw is installed on the base, and is hinged with the base; one end of the connecting rod is connected with the belt wheels, and one end of the connecting rod is connected with the moving jaw; the roller groups are two, and are connected and driven by the gear; rollers are installed on the rack; the driving motor is installed on the rack. The combined mode of a jaw-type crushing mechanism and a roller grinding mechanism is adopted for the multi-stage mineral crushing mechanism provided by the invention, can be used for greatly shortening the crushing time of minerals and improve the grinding precision, and improves the grinding efficiency greatly; moreover, non-cylindrical design is adopted for the rollers of the roller grinding mechanism, convex and concave arc surfaces are matched in rolling, and the creative design increases the meshed angle between mineral particles and the rollers, so that a crack crushing effect is provided in the extruding and crushing process, and a mechanism with higher productivity is formed.
Owner:段清莲

Artificial carassius auratus propagation method

The invention provides an artificial carassius auratus propagation method. The method is creatively improved in the aspects from the source of parent selection and parent fish rearing to the following aphrodisiac drug preference, incubation method design and the like, a complete technological method for artificially propagating carassius auratus is formed, and the propagation rate, the spawning rate and the incubation rate are remarkably increased. By the adoption of the preferred technical scheme, vitamin is added to fodder before parturition to promote gonad development of parent fish; the preferred temperature of water where the parent fish injected with aphrodisiac drug are located ranges from 21 DEG C to 22 DEG C, so that parent fish rutting and egg laying efficiency is further improved; the preferred incubation temperature ranges from 20 DEG C to 23 DEG C so that fertile eggs can be incubated. By the adoption of the technical scheme, a series of creative design is conducted on the technological conditions, the remarkable technical effect is achieved, the condition control angle and the condition control depth are remarkably improved or optimized compared with those in the prior art, and meanwhile the method is easy to implement, low in cost and remarkable in large-scale application prospect.
Owner:TIANJIN AGRICULTURE COLLEGE
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