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82results about How to "Optimization direction" patented technology

Frame panel type satellite configuration and modular satellite

The invention provides a frame panel type satellite configuration and a modular satellite adopting the same. The frame panel type satellite configuration comprises a four-edge-column frame and honeycomb structure plates; the four-edge-column frame is used for bearing axial load when being connected with four connecting interfaces for carrying, wherein the four-edge-column frame comprises rod pieces and rod-piece joints; each rod piece is provided with a plurality of bosses; the bosses are provided with installing holes for connection with the honeycomb structure plates by first fasteners; a plurality of through holes are arranged in the extending surfaces of the end parts of the rod pieces and are used for connection with the rod-piece joints by second fasteners; the honeycomb structure plates provide installing surfaces for single satellite equipment and simultaneously provide in-plane shearing rigidity for the four-edge-column frame.
Owner:SHANGHAI ENG CENT FOR MICROSATELLITES

Five-color fresh rice noodles and preparation method thereof

The invention discloses five-color fresh rice noodles and a preparation method thereof, and belongs to the food processing field. The five-color fresh rice noodles are characterized by comprising the following raw materials in parts by weight: 2-14 parts of vegetable powder and 86-98 parts of rice meal. The preparation method of the five-color fresh rice noodles provided by the invention is characterized by obtaining the five-color fresh rice noodles with five colors, mixed taste and rich nutrition through rice selection, cleaning, dipping, thick liquid grinding, mixing, self-cooking wire extrusion, fixed length cutting, elastic ageing, water washing wire rolling, color protection water boiling, water preservation and mixing of rice noodles with all colors. Based on the traditional rice noodle products, the five-color fresh rice noodles are developed; the five-color fresh rice noodles have the advantages of improved product color, longer shelf life, stronger commodity, expanded product production and selling channels and lowerer production and storage costs.
Owner:INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI

Automatic post-processing method for light-cured 3D printer and device

The invention relates to an automatic post-processing method for a light-cured 3D printer and a device. The automatic post-processing method for the light-cured 3D printer comprises the following steps of after finishing printing of a shaped product, moving the shaped product to a first preset position; after reaching a preset standing time, moving the shaped product into a cleaning cavity, and cleaning the shaped product; and after reaching a preset cleaning time, moving the shaped product to a second preset position, and air drying or curing the shaped product. According to the automatic post-processing method for the light-cured 3D printer and the device, cleaning and air drying of the shaped product are finished in the printer without causing environmental pollution, the printed shaped product is ensured to be clean without pollution and can be directly taken out and used, and the light-cured 3D printer easily comes to the masses.
Owner:ZHONGSHAN DONGFANG BODA ELECTRONICS SCI & TECH

Electric device probe expansion device and expansion-probe control method of main frame

The present invention discloses a probe expanding device of electronic equipment and a method for controlling expanding probe by the host machine, wherein the device comprises a body and a probe expanding device plug. The body is provided with a controller, a probe signal commutation circuit, a first probe socket, a second probe socket and a probe expanding device plug. A host machine determines whether the reading of expanding probe is finished and enquires the on-position state of probe through a controller of probe expanding device. The probe which is to be executed with information reading transmits a power supply enable signal through a controller for supplying power to the corresponding probe. The communication interface of corresponding probe is gated for reading probe information. When the host machine confirms that the probe information reading is finished, a probe de-electrifying command is transmitted to the controller by the host machine. The controller controls the power supply enable signal. The corresponding probe is de-electrified and the operation is finished. An interface communication connection is realized between the probe expanding device and the host machine device according to the invention. An inner controller analyzes command of host machine system and realizes the functions of probe identifying, working probe switching, etc. The control to various functions is conveniently and reliably executed. The automatization degree of operation is high.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD +1

Control system for main pump measurement circuit of digital nuclear power station

The invention provides a control system for a main pump measurement circuit of a digital nuclear power station. The control system for the main pump measurement circuit of the digital nuclear power station comprises a signal acquisition module, a high-rotations-speed measurement channel, a low-rotation-speed measurement channel and a rotation speed judging and displaying module, wherein the signal acquisition module is used for acquiring a rotation speed frequency signal of a main probe and a rotation speed frequency signal of a standby probe and outputting the acquired rotation speed frequency signals to the high-rotation-speed measurement channel and the low-rotation-speed measurement channel after conducting isolation processing on the acquired rotation speed frequency signals, the signals output by the high-rotation-speed measurement channel and the low-rotation-speed measurement channel are transmitted to the rotation speed judging and displaying module, rotation speed judgment is conducted through the rotation speed judging and displaying module according to the received output signals, the rotation speed is displayed according to the rotation speed judgment result, and the received rotation speed frequency signals are isolated and processed through the low-rotation-speed measurement channel so that current signals can be output. According to the control system for the main pump measurement circuit of the digital nuclear power station, display can be achieved as long as a main pump rotates, rotation speed frequency signals of the main pump can not be disturbed by a power distributor, and measurement of the rotation speed can not be influenced by temperature measurement signals.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION +2

Assembly type main structure of building

The invention discloses an assembly type main structure of a building, and relates to the technical field of building engineering structures. The assembly type main structure of the building comprises isolated foundations, at least one layer of supporting beam group and at least one layer of cold-formed thin-walled steel composite beam plates are arranged on the isolated foundations, and a roof frame structure is arranged on the top supporting beam group, wherein each layer of supporting beam group comprises a plurality of square tubular columns, and the upper portion of each square tubular column is provided with a beam support; each cold-formed thin-walled steel composite beam plate comprises a lipped channel stiffened structural beam, a profiled steel sheet, a reinforcing mesh and a concrete plate, and the end of each lipped channel stiffened structural beam is provided with a sleeve; each lipped channel stiffened structural beam comprises a vertical plate, a first transverse plate and a second transverse plate, a vertical baffle is arranged above each first transverse plate, and stiffened structures are arranged on the first transverse plates, the second transverse plates, the vertical plates and the vertical baffles respectively. The assembly type main structure is reasonable in beam-column connection, convenient to install, high in flexural capacity and suitable for large-span commercial complex buildings.
Owner:北京善筑科技股份有限公司

Seam line optimization method based on long-span region extraction

The invention provides a seam line optimization method based on long-span region extraction, comprising the steps of calculating the difference of overlap region pixels; respectively carrying out image segmentation on images in left and right image overlap regions through selecting a proper partitioning algorithm, determining the preferential region of seam lines from the segmentation results according to the span of segmentation regions, and optimizing a cost matrix according to the determined preferential region of the seam lines; and searching the optimized seam lines by adopting a Dijkstra algorithm according to the cost matrix and starting and ending points. The method is applicable to the optimizing process of the seam lines when a digital orthoimage is subjected to image mosaicking, the directions of the seam lines can be optimized, the optimized seam lines are along large-span regions such as roads, rivers and bare lands as far as possible, obvious surface features such as buildings are prevented from being passed through, the integrity of ground targets is kept, and therefore the quality of image mosaicking is improved.
Owner:WUHAN UNIV

Recycling and processing device for painted plastic parts

The invention discloses a paint removing device for painted granular plastics. The paint removing device comprises a quantitative feeder, a friction separator, an air blower, a spindle motor and dusty-air purifiers. The air blower is connected into a paint removing device body by a hollow rotary shaft, the spindle motor drives the hollow rotary shaft via a belt pulley, painted materials are quantitatively conveyed to a screw conveyor from a feed inlet via the quantitative feeder, the screw conveyor consists of the hollow rotary shaft and screw blades, the painted materials are parallelly propelled by the screw conveyor to an external cavity of the high and low-pressure friction separator to be subjected to friction separation, the high and low-pressure friction separator comprises a coaxial friction tube and a netted dust removing sieve plate, and paint film dust and finished plastic granules are separated and then are respectively fed into accumulated dust boxes. Crushed plastic granules are quantitatively fed into the friction cavity to be subjected to friction paint removal, and the paint film dust and the clean granules are separated from one another and are respectively collected, so that waste plastics of automobiles are recycled, and environmental pollution is reduced.
Owner:SUZHOU MEIGONG ELECTRONICS TECH

Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle

The present invention provides a rotor structure, a permanent magnet auxiliary synchronous reluctance motor and an electric vehicle. The rotor structure comprises a rotor body, the rotor body is provided with a permanent magnet slot group, the permanent magnet slot group comprises an outer layer of permanent magnet slot, and the rotor body is provided with a third folding slot and a fourth foldingslot. A third inclination angle is formed by a geometric center line of the third folding slot in the length direction and a geometric center line of the first end of the outer layer of permanent magnet slot in the length direction, and a fourth inclination angle is formed by a geometric center line of the fourth folding slot in the length direction and a geometric center line of the second end of the outer layer of permanent magnet slot in the length direction; the extension cord of the side wall of the third folding slot and the outer edge of the rotor body are intersected to a first point,the extension cord of the side wall of the fourth folding slot and the outer edge of the rotor body are intersected to a second point, the radian of the connection line of the first point and the second point is A1, wherein A1>0.63*360 degrees / p. Through the relation of the angles between the folding slots and the number P of poles of the rotor structure, the trend of the magnetic line of force is optimized, and the output power of the permanent-magnet torque is improved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Interconnecting method of B2B (Business to Business) websites and global enterprise websites

InactiveCN101833707AConvenient queryRealize network interconnectionInstrumentsNetizenTrademark
The invention provides an interconnecting method of B2B (Business to Business) websites and global enterprise websites, which can catalog and interconnect global enterprise websites of different nations according to the international commodity catalog standard and the relation between supply and demand and are convenient and rapid for global enterprises and netizens to view the information of websites containing suppliers and purchasers of global various commodities. The invention adopts the technical scheme of cataloging all global enterprise websites according to the catalog method of 1-45 catalogs in the international commodity and service catalog table for trade mark registration; establishing a B2B enterprise website network; establishing a supplier and of purchaser information table according to commodity catalogs, wherein contents in the information table can be automatically collected and ordered so that the information of enterprises of the same products and production places are collected and ordered together; establishing a global chain website of the B2B enterprise website network so that each global chain website uses a uniform main domain name and three languages, i.e. the nation language, English and Chinese; and globally interconnecting the enterprise websites of suppliers and of purchasers of global various commodities by the Internet.
Owner:陈远豪

Hydraulic coupling with freely regulated coupling direction

The invention discloses a hydraulic pipe joint capable of freely adjusting connecting directions. The joint comprises two sets of hollow bolts, two revolving bodies and a plurality of combined seal rings. The coaxial direction and the radial direction of the hollow bolts are all provided with an oil path channel; the revolving bodies are provided with a through hole along the direction of a rotating shaft; the vertical direction is provided with a bypass hydraulic fluid port with an inner thread; the hollow bolts penetrate from the through hole; the two ends of the through hole are sealed by a combined seal gasket; the hollow bolts, the revolving bodies and the combined seal gasket form a hinged joint; the revolving bodies can revolve along the hollow bolts by 360 degrees; and the outer thread of the hollow bolt II is connected with the inner thread of the revolving body I. As the revolving body I can revolve by 360 degrees and the revolving body II can revolve by 360 degrees opposite to the revolving body I, the hydraulic fluid port of the revolving body II can be led to face to any direction by adjusting the revolving corners of the two revolving bodies; therefore, the hydraulic pipe joint is very easy to be jointed with a metal pipe or a hydraulic hose, thus being capable of achieving the goals of optimizing the direction of the metal pipe and leading the hydraulic hose to be reasonably bent.
Owner:CHINA NON-FERROUS METALS PROCESSING TECH CO LTD

Mixed liquor with flavor of white spirit and aromatic aftertaste of gin (foreign wine)

The invention discloses mixed liquor with flavor of a white spirit and aromatic aftertaste of gin (a foreign wine). The traditional white spirit or edible alcohol is adopted as a liquor base, and components of ester and acid in the traditional white spirit are selected or added. Methanol, fusel oil and aldehyde substances are removed or reduced, juniper berries or extracting solution thereof is added to serve as a main aroma source, and aromatic Chinese herbal medicines are taken as an auxiliary aroma source. The mixed liquor is prepared by the following steps of: impregnating and distilling;flavoring and blending; and storing and filtering. A novel white spirit (mixed liquor) with the basic flavor of the traditional white and the aromatic aftertaste of the gin is obtained.
Owner:李良

Cattle breeding method

The invention discloses a cattle breeding method. The cattle breeding method includes the steps that cattle move in an infrared ray region after eating in a feeding region of a cowhouse, infrared sensors are used for dividing multiple small infrared ray regions, the infrared sensor close to the feeding region is in a normally open state and starts the adjacent infrared sensor when detecting cattle; when detecting the cattle, the infrared sensors transmit information to a microcontroller, the microcontroller controls a solenoid valve arranged in a conveying pipe to be started, and whitewash in a glass groove convey passes through the conveying pipe and is sprayed to the infrared ray region of the position where the cattle are located; the microcontroller starts a motor arranged on a water pump, the water pump pumps waste whitewash in a waste collecting groove used for collecting the waste whitewash into a rotating pipe through a blank pipe, a rotating shaft in the rotating pipe is pushed to rotate, the rotating shaft drives a fan on the rotating shaft to rotate so as to blow-dry the cattle, and the cattle are disinfected at fixed period.
Owner:贵州务川八爷农场有限公司

Ship bulkhead welding device

The invention discloses a ship bulkhead welding device, comprising a scaffold , a base plate and a connection plate which are set on the scaffold, a linear track which is horizontally set on the baseplate or the connection plate, and a welding mechanism which is set on the track. The welding mechanism comprises a support body, a moving component which is set at the lower part of the support bodyand is located on the track, a support column which is vertically fixed on the support body and is equipped with a vertical limiting slot, a control box which is fixed on the top of the support column, a wire disk which is fixed at one side of the support column, a welding gun which is fixed at the other side of the support post, a welding wire of which one is wound on the wire disk and the otherend is inserted into the welding gun, a lifting cylinder which is set on the support body, and a lifting frame which is driven by the lifting cylinder to lift. According to the ship bulkhead welding device, through matching of the welding mechanism and the scaffold, the welding efficiency and the welding quality of a slot segmented t-joint full penetration corner weld for a 64000 ton wood chip carrier are improved, and moreover, the labor intensity is reduced.
Owner:CHENGXI SHIPYARD

Landing case

ActiveCN105899036AOptimize the overall layoutOptimizing Cable RoutingCasings/cabinets/drawers detailsRack/frame constructionThermal insulationCase base
The invention discloses a landing case. The landing case comprises a case top cover, a case main body and a case base, wherein a plurality of racks are arranged in the case main body, guide rails, layered plates and an air switch installation plate are arranged on the racks, the guide rails are used for installing a device, and the layered plates are used for placing the device. By arranging structures such as the racks, the air switch installation plate, the guide rails and the layered plates in the case, the integral layout and the cable wiring of a box body are optimized, the installation mode of the device is further improved, and finally, the device can be rapidly installed and disassembled, and meanwhile, the subsequent maintenance of the device in the case is facilitated; and by arranging a thermal insulation side plate outside the case, the internal temperature of the case can be effectively reduced.
Owner:SUZHOU GOLD MANTIS YIHE TECH

Flow guiding cooling system composed of annular fan and wind protecting ring

The invention discloses a flow guiding cooling system composed of an annular fan and a wind protecting ring. The flow guiding cooling system comprises a cooling package and also comprises a cooling bag frame, the wind protecting ring, a flow baffle plate and a reflux air duct. The cooling bag fame is fixed to the outer side of the cooling bag, one end of the wind protecting ring and the cooling bag frame are fixed together, and the other end of the wind protecting ring and the flow baffle plate are fastened through a fixing device to obtain the reflux air duct. By additionally arranging the reflux air flow on the flow baffle plate, reflux of gas is reduced and the trend of an air flow can be improved, so that the efficiency of the cooling fan is improved by 8-12%. The water temperature ofa water tank can be reduced by about 10 DEG C, and meanwhile, the cooling system has a noise-reducing effect and is simple in structure, low in cost, stable and reliable to work and relatively high inuniversality.
Owner:SUZHOU RISING AUTO PARTS

Method for automatically adding Chinese/foreign language subtitles for Chinese voiced image materials by computer

The invention discloses a method for automatically adding Chinese / foreign language subtitles for Chinese voiced image materials by a computer, and belongs to the technical field of processing sound and image materials of a computer system. When the Chinese voiced image materials are transformed into image materials added with the Chinese / foreign language subtitles, a signal of a Chinese voiced language needs to be firstly extracted for being sent to a Chinese voice recognition module and being recognized into Chinese phonetic codes or Chinese characters, the Chinese phonetic codes or the Chinese characters can be then translated into assigned foreign languages through a machine translation module and can be then independently transmitted to a traditional video or image picture subtitle stacking machine or be transmitted to the traditional video or image picture subtitle stacking machine according to text subtitles, and subtitle information can be stacked on video pictures and can be synthesized together with the video pictures in the same synchronous signals for being saved or synchronously output. According to the technical scheme, the whole Chinese information can be processed in the computer with a pure ASCII (American Standard Code for Information Interchange) system, and foreign viewers can learn Chinese conveniently through Chinese movie and video materials in China.
Owner:QINGHAI HANLA INFORMATION SCI & TECH CO LTD

Air duct component and air conditioner

The invention provides an air duct component and an air conditioner. The air duct component comprises an air duct body, fan blade assemblies, a mounting plate, a driving assembly, a first flow guide assembly and a second flow guide assembly, wherein the air duct body is provided with a circulation channel; the multiple fan blade assemblies are arranged in the circulation channel and are arranged at intervals in the axial direction of the circulation channel; the mounting plate is mounted in the circulation channel, the driving assembly is mounted on the mounting plate, the driving assembly isin driving connection with the fan blade assemblies, a receding channel is formed in the mounting plate, and a rectifying assembly is arranged in the receding channel; and the first flow guide assembly is arranged at the first end of the circulation channel, and the second flow guide assembly is arranged at the second end of the circulation channel. The air duct component can switch the air flow inlet direction and the air flow outlet direction, and meanwhile the first flow guide assembly, the rectifying assembly and the second flow guide assembly exist at the same time, so that the air duct component has the inlet pre-rotation and outlet rectification functions and the middle rectification function, an air flow trend channel is greatly optimized, and the working efficiency of the fan blade assemblies is improved.
Owner:GREE ELECTRIC APPLIANCES INC

Electric device probe expansion device and expansion-probe control method of main frame

The present invention discloses a probe expanding device of electronic equipment and a method for controlling expanding probe by the host machine, wherein the device comprises a body and a probe expanding device plug. The body is provided with a controller, a probe signal commutation circuit, a first probe socket, a second probe socket and a probe expanding device plug. A host machine determines whether the reading of expanding probe is finished and enquires the on-position state of probe through a controller of probe expanding device. The probe which is to be executed with information reading transmits a power supply enable signal through a controller for supplying power to the corresponding probe. The communication interface of corresponding probe is gated for reading probe information.When the host machine confirms that the probe information reading is finished, a probe de-electrifying command is transmitted to the controller by the host machine. The controller controls the power supply enable signal. The corresponding probe is de-electrified and the operation is finished. An interface communication connection is realized between the probe expanding device and the host machinedevice according to the invention. An inner controller analyzes command of host machine system and realizes the functions of probe identifying, working probe switching, etc. The control to various functions is conveniently and reliably executed. The automatization degree of operation is high.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD +1

Double-ring-type windshield ring cooling system integration

The invention discloses a double-ring-type windshield ring cooling system integration. The double-ring-type windshield ring cooling system integration comprises a fan, a windshield ring and a heat radiator which are coaxially mounted, wherein the windshield ring and the heat radiator are mounted on an automobile frame; the fan is arranged on an engine in a sleeving manner; one end of the windshield ring and the heat radiator are fixed in a threaded connection manner; and the other end of the windshield ring and the fan are combined in an embedded mounting manner to form a backflow air duct. Consequently, the backflow of air can be reduced, the direction of airflow can be improved, and the efficiency of the cooling fan can be improved by 8% to 12%; furthermore, the water temperature of a water tank can be reduced by about 10 DEG C; and meanwhile, such a cooling system has the noise reducing effect.
Owner:SUZHOU RISING AUTO PARTS

Lighting device having at least one heat sink

The invention relates to a lighting device (1) comprising at least one heat sink (4) and a base (7) for accommodating at least one light source (5) and at least one device (13) connected to the lighting device (1) for generating a cooling media flow, in particular an air flow. According to the invention, the cooling media flow runs predominantly parallel to the plane of the preferably at least approximately flat base (7) of the heat sink (4).
Owner:OSRAM GMBH

Demura multi-axis full-automatic detection mechanism

The invention discloses a Demura multi-axis full-automatic detection mechanism. The Demura multi-axis full-automatic detection mechanism comprises a stander and a CCD camera, wherein the stander is provided with a sliding table module, the movable end of the sliding table module is connected with a connecting frame, and the CD camera is connected to the bottom of the connecting frame; a rotary carrying table mechanism, a swinging sliding table and a gear focusing mechanism are successively arranged between the connecting frame and the CCD camera from top to bottom; the gear focusing mechanismcomprises a foundation support, a second drive source, a driving gear and a driven gear; and the rotary carrier table mechanism, the swinging sliding table and the CCD camera are coaxially distributed. Compared with the traditional Demura detection mechanism, the Demura multi-axis full-automatic detection mechanism is simple in structure and convenient in use; the CCD camera can move along the directions of an X axis, a Y axis and a Z axis and can also rotate around the X, Y and Z axis, so that the full-automatic adjustment can be realized; and moreover, the Demura multi-axis full-automatic detection mechanism is provided with a focal length adjusting mechanism, and the inaccuracy in focusing and damage of the camera caused by the large adjustment amplitude of the CCD camera along the Z axis direction can be avoided.
Owner:WUHAN JINGCE ELECTRONICS GRP CO LTD

Target tracking method and system based on eye movement tracking and storage medium

The invention provides a target detection method and system based on eye movement tracking and a storage medium. The disclosed scheme comprises the following steps: acquiring eye movement information and target detection information, and determining a display center visual area of human eyes in a foreground image according to the eye movement information; and then judging and displaying target detection information at the central visual area, and outputting the predicted position and predicted category information of the object at the central visual area. According to the method and system, the eye movement tracking technology and the target detection technology are combined, the target in the human eye watching area is detected in a targeted mode, and user interest points are conveniently obtained.
Owner:NORTHWEST UNIV(CN)

Rural tourism management system

The present invention discloses a rural tourism management system. A route management module in the system comprises: a feature recommendation unit, a route planning unit, a route navigation unit, anda route recording unit. According to the system disclosed by the present invention, after a passenger downloads the application APP software designed by the present invention on the mobile phone, notonly can an optimal basic route for the whole tour be planned according to different starting points and the remaining capacity of each tourist section, but also a least time-consuming route for thetour can be planned according to the input locations of the recommended featured tourist spots and the remaining capacity of each tourist section; when the passenger has passed the location of the tourist section for the second time, a voice prompt can be made, that is, without the participation of the guide, a comprehensive and effective tour can be realized during voluntary traveling, so that efficient tourism management is realized, and the level of tourism management intelligence is improved; and since the map involved in the present invention is a self-made map of local tourist sections,accuracy and efficiency of navigation are improved.
Owner:HENAN UNIV OF ANIMAL HUSBANDRY & ECONOMY

Rotor punching sheet, rotor, and permanent magnet motor

The invention relates to the field of motors, and discloses a rotor punching sheet, a rotor, and a permanent magnet motor. The center of the rotor punching sheet is provided with an axis hole (120), and is provided with a plurality of permanent magnet slots (110) which are arranged around the axis hole (120) at intervals. Internal magnetic isolating holes (141) are disposed between the permanent magnet slots (110) and the axis hole (120), and the internal magnetic isolating holes (141) and the permanent magnet slots (110) have the same geometric center symmetric line. The geometric center symmetric line radially extends along the rotor punching sheet, and the minimum distance between the internal magnetic isolating holes (141) and the permanent magnet slots (110) is not greater than 1mm. When the rotor punching sheet is used, the direction of a magnetic path can be improved effectively, and the torque ripple of the permanent magnet motor is reduced, thereby reducing the vibration noise.
Owner:GUANGDONG WELLING ELECTRIC MACHINE MFG +1

Outer prestress system and its construction process

The outer prestressed system consists of anchoring section I comprising anchor head and anchoring part, free section II and steering section III. The steering section has steering unit comprising steering pipe and 2-120 parallel guide pipes inside the steering pipe, and all the guide pipes in certain rigidity and flexibility are connected via connecting board into one integral. The anchoring section has movable lining and clamping piece forming anchoring system; and the free section consists of outer protecting sleeve, cable and pressing damper installed in proper position of the cable. The construction process of the outer prestressed system includes prefabricating sections, installing steering unit, installing anchor head, single piece tensing, grouting and painting, installing damper, installing PE casing and other steps. The system has the advantages of single piece tensing, homogeneous stress of twisted steel cable, long service life, etc.
Owner:TONGJI UNIV +1

Preparation method of VN19 vanadium-nitrogen alloy and sagger device

The invention relates to the technical field of metallurgy, and provides a preparation method of a VN19 vanadium-nitrogen alloy. According to the preparation method, powdery vanadium oxide, silicon dioxide powder, a carbonaceous reducing agent, iron powder and a binder are mixed and then sequentially subjected to ball pressing, drying, vacuum carbonization reduction and nitridation, and the VN19 vanadium-nitrogen alloy is obtained. The silicon dioxide powder is added into the raw materials, the silicon dioxide powder is reduced, and silicon nitride is generated in the nitriding process, so that the nitrogen content of a product is increased. According to the preparation method, carbonization reduction is carried out under the vacuum condition, nitridation is carried out under the high nitrogen pressure, and the VN19 vanadium-nitrogen alloy can be efficiently and rapidly prepared in an energy-saving mode. Furthermore, the trend of nitrogen gas flow in the nitriding process is optimized, and a weak cooling and strong cooling subsection cooling mode is adopted in the cooling process, so that the nitrogen content of the product is increased, heat energy is fully utilized, and the preparation cost is reduced.
Owner:承德锦科科技股份有限公司 +1

Turbine and method for detecting rubbing

InactiveUS20160138417A1MiniaturizationEfficiency of turbine is maximizedPump componentsEngine fuctionsEngineeringTurbine
A turbine, in particular a gas turbine, includes a rotor, a housing spaced from the rotor by a gap, and a system for monitoring structure-borne noise, permit rubbing of the rotor and the housing to be localised with the least possible technical complexity. In both a first and second axial region, one or more inwardly directed rubbing teeth of the housing and one or more outwardly directed rubbing edges of the rotor are arranged, wherein the one or more rubbing teeth and the one or more rubbing edges are distributed along the circumference such that contact of the particular rubbing teeth and rubbing edges at a specified rotational frequency of the rotor occurs at a different frequency in the first axial region than in the second axial region.
Owner:SIEMENS AG

Mark film for quickly identifying carriage number of high-speed train and seat number in carriage

The invention discloses a mark film for quickly identifying the carriage number of a high-speed train and the seat number in a carriage, which comprises a mark film for quickly identifying the carriage number of the high-speed train, wherein one side of the mark film is printed with a 'rising sign' which represents the ascending sequence of the carriage number; the other side is coated with adhesive; a mark film for quickly identifying the seat number in the carriage, wherein the mark film for quickly identifying the seat number in the carriage comprises a large number end mark film and a small number end mark film, wherein one side of the 'large number end mark film' is printed with a 'large number end sign' representing the seat in the carriage, and the other side is coated with adhesive; one side of the 'small number end mark film' is printed with a 'small number end sign' representing the seat in the carriage, and the other side is coated with adhesive; the mark film for quickly identifying the carriage number of the high-speed train is pasted above the display screen at the end part of the carriage; the mark film for quickly identifying the seat number in the carriage is pasted on the outer side of the glass window at the end part of the carriage; by using the film, passengers can conveniently find their own carriage and seat.
Owner:郝韵涵
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