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355results about How to "Guaranteed to pass" patented technology

Method and device for detecting cross site scripting

The invention provides a device for detecting cross site scripting. The device comprises an index calculating unit, an extracting unit, a code restoring unit, a semantics restoring unit, a matching degree calculating unit and a judging unit which cooperate with each other; and malicious cross site scripts entrained in a Web page are identified and extracted by a comprehensive HTML label analysis methods (comprising four methods, namely EJSRF analysis, JavaScript code deformation analysis, JavaScript semantics denaturation analysis and XSS attack characteristic mode matching). The cross site script identification and extraction technology taking HTML label analysis as a core can efficiently and accurately distinguish a normal JavaScript from the malicious cross site scripts in the Web page to make network security detection equipment and a network terminal accurately identify and filter the Web page which contains the malicious cross site scripts, and simultaneously guarantee legal Web page (without entrained malicious cross site scripts) normally pass.
Owner:BEIJING VENUS INFORMATION TECH +1

Anti-fading washing control method

The invention discloses an anti-fading washing control method. According to the method, an impeller type washing machine or a tumbling-box washing machine is included. The washing machine comprises a washing machine body. An inner washing barrel, an outer barrel and a controller are mounted in the washing machine body. The washing machine body is further provided with a color sensor. The color sensor detects washing water in the washing process and feeds back a detected result to the controller. The controller analyzes the detected result and then judges whether follow-up operation for preventing fading and mutual dyeing needs to be conducted. The anti-fading washing machine can judge whether woven products fade or not accurately in time.
Owner:HISENSE(SHANDONG)REFRIGERATOR CO LTD

Terminal display screen, control method, mobile terminal and readable storage medium

The invention discloses a terminal display screen, a control method, a mobile terminal and a readable storage medium. The terminal display screen comprises a display screen body and liquid crystal glass, wherein a perspective hole is formed in the display screen body directly opposite to a camera lens, the liquid crystal glass is arranged on one side of the perspective hole, and the liquid crystalglass blocks the perspective hole; and the liquid crystal glass is electrically connected to a terminal processor that controls a camera. The terminal display screen control method includes the following steps: determining whether the camera is in a working state; if the camera is in the working state, determining whether the camera is a camera arranged on the display screen body; and if the camera is the camera arranged on the display screen body, connecting a circuit board with the liquid crystal glass to ensure that the current flows through the liquid crystal glass. By controlling the liquid crystal glass to be powered on or powered off, the liquid crystal glass can be in a transparent state when the camera needs to be used, and the light can normally pass, the liquid crystal glass can be in a non-transparent state when the camera is not needed, and the color of the liquid crystal glass can be consistent with the color of the display screen to achieve a similar full-screen effect.
Owner:NUBIA TECHNOLOGY CO LTD

Tunnel entrance section vehicle flow control method

The invention discloses a tunnel entrance section vehicle flow control method comprising the following steps: S1, vehicles running in a tunnel are enabled to run in different lanes according to vehicle size, and a vehicle flow at an entrance of a tunnel is subjected to different lane running control; S2, illumination difference between a lane part positioned inside a tunnel entrance and a lane part positioned outside the tunnel entrance, average vehicle flow speed difference between the lane part positioned inside the tunnel entrance and the lane part positioned outside the tunnel entrance, and a inside-the-tunnel vehicle flow of each lane are obtained; S3, based on the illumination difference between the lane part positioned inside the tunnel entrance and the lane part positioned outside the tunnel entrance, average vehicle flow speed difference between the lane part positioned inside the tunnel entrance and the lane part positioned outside the tunnel entrance, and a inside-the-tunnel vehicle flow of each lane, a BP neutral network classification and identification algorithm is used for obtaining an optimal speed limit value and reasonable acousto-optic early warning prompt information of each lane; S4, variable speed limit prompt information is respectively displayed on corresponding lanes, and acousto-optic early warning prompts about vehicle speed of the vehicles in the tunnel are given. Via the tunnel entrance section vehicle flow control method, overall control over speed of vehicle flows on large and small lanes can be realized, individual vehicles which touch a height limit bar are subjected to violation detection and punishment, a current situation that traffic accidents frequently occur at an entrance section of a driveway tunnel can be improved, and traffic efficiency and a safety level of the driveway tunnel can be raised.
Owner:FUZHOU UNIV

Foldable turnover mesh belt and feeding and discharging system provided with turnover mesh belt

The invention discloses a foldable turnover mesh belt and a feeding and discharging system provided with the turnover mesh belt. The foldable turnover mesh belt comprises a conveying belt, a first rotating shaft and a turnover frame capable of rotating around the first rotating shaft; the foldable turnover mesh belt further includes a folding frame and a folding drive device; the folding frame is connected with the turnover frame and rotates relative to the turnover frame; the conveying belt is wound on the turnover frame and the folding frame; the turnover of the turnover frame drives the folding drive device which synchronously drives the folding frame to rotate relatively to the turnover frame. The foldable turnover mesh belt has the advantages that space is saved, low pollution is realized, and the factory building height limitation for the turnover mesh belt is avoided; the feeding and discharging system includes the foldable turnover mesh belt, and has the same advantages that space is saved, low pollution is realized, and the factory building height limitation for the turnover mesh belt is avoided.
Owner:TRUKING TECH LTD

Disassembly and assembly device for levitation chassis of middle-low speed maglev trains

The invention relates to the field of disassembly and assembly of maglev trains and provides a disassembly and assembly device for levitation chassis of the middle-low speed maglev trains. The disassembly and assembly device is located above a foundation with running rails, and the length direction of the running rails is perpendicular to the length direction of maglev rails. The disassembly and assembly device comprises a base and a supporting table located above the base. A lifting mechanism is arranged between the supporting table and the base. A running wheel assembly is arranged on the base. Lifting rails located between the two adjacent maglev rails are arranged on the supporting table, and the supporting table and the two adjacent maglev rails are supported and fixed through two or more locking assemblies. The disassembly and assembly device serves as a part of the maglev rails normally and guarantees smooth passing of the trains; when the disassembly and assembly device needs to be used for disassembly and assembly, the lifting rails can be driven by the lifting mechanism to move in the vertical direction, the disassembly and assembly device can conveniently move on the ground through the running wheel assembly so as to realize disassembly and assembly of the levitation chassis of the trains without excessive assist of other tools, and use is convenient.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP +1

Air permeable upper downspout of pouring basket in continuous casting

An air-permeable top sprue of conticasting tundish is composed of a truncated air-permeable hollow conic brick, upper steel sleeve and low steel sleeve. The said truncated brick is prepared from zircon sand, compact corundum and mullite. Its advantages are high resistance to high-temp molten steel flushing, corrosion, and heat shock, not cracking, high air permeability, and not blocking by impurities.
Owner:鞍山市耘路耐火材料有限公司

Air-permeable fish tank and its manufacturing method

The invention discloses an air-permeable fish tank. The fish tank comprises a cavity with an opening and is formed by bonding hydrophobic substance-coated aggregate particles and hydrophobic binder; voids, through which air molecules can pass through and liquid water molecules can not pass through under high pressure, are formed among adjacent aggregate particles; and diameters of the voids are of 0.002-0.086 mm. The invention also discloses a manufacturing method of the fish tank. The fish tank effectively solves the problem that existing ordinary fish tanks can not have both of anti-seepage and air-permeable performances. The fish tank has the advantages of low cost, simple manufacture and simple appearance, and it is suitable for various occasions suitable for fish culture.
Owner:BEIJING RECHSAND SCI & TECH GRP

25-meter curve radius metro bogie

The invention provides a 25-meter curve radius metro bogie, comprising a framework, a wheelset axle box device, a secondary suspension device, a foundation brake device and a driving device. The 25-meter curve radius metro bogie is characterized in that an air spring of the secondary suspension device is connected with a swing bolster lower cover plate; a bearing mounting seat is welded in the middle of a swing bolster lower cover plate and is used for mounting a spherical bearing; and an inner ring of the spherical bearing is connected with a vehicle body sleeper beam, and an outer ring of the spherical bearing is connected with the bearing mounting seat. According to the invention, the way a turntable bearing is added to the swing bolster is adopted and thus the rotation between a vehicle body and the bogie is realized through rotating the bearing inner ring and the outer ring, and further guarantee the vehicle passes through a 25-meter curve radius.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Valve for use in a fuel line of a motor vehicle

The invention concerns a valve (1) for use in a fuel line of a motor vehicle, comprising a sealing seat (7), a valve body (5) which closes the sealing seat (7) and a spring device (6, 16, 17), which pre-tensions the valve body (5) against the sealing seat (7). The side of the valve body (5) facing the sealing seat (7) has a contour (11) for deflecting the volume flow over an angle of greater than 90 DEG and the outer diameter of the contour (11) is greater than the diameter of the sealing seat (7).
Owner:CONTINENTAL AUTOMOTIVE GMBH

Virtual marshalling train turnout resource management method and system based on train-train communication

The embodiment of the invention provides a virtual marshalling train turnout resource management method and system based on train-train communication. The method comprises the steps that an exclusive request for applying for a target turnout exclusive lock is sent to an object controller OC; an exclusive permission returned by the OC based on the exclusive request is received, and the exclusive permission is sent to a following vehicle based on vehicle-to-vehicle communication; when the virtual marshalling train passes through the target turnout, a lock release command is sent to the OC, and the OC is indicated to release a resource exclusive lock of the target turnout; then the master control train in the virtual marshalling train represents the whole virtual marshalling train to apply for a target turnout exclusive lock, it is ensured that application conflicts caused by simultaneous application of multiple trains during turnout resource application are avoided; and when the whole virtual marshalling train passes through the target turnout, the exclusive lock of the target turnout is released. It can be guaranteed that the virtual marshalling train normally passes through the turnout, and then the running efficiency of the train is improved.
Owner:TRAFFIC CONTROL TECH CO LTD

Tubular reactor

The invention provides a tubular reactor. The reactor comprises a reaction tube (2) capable of containing reaction fluid which passes through and reacts in the tube, the reaction tube (2) comprises aplurality of spiral tubes (21), the spiral tubes (21) spirally wind, or the spiral tubes (21) are arranged in a spiral array, and the spiral tubes (21) are sequentially connected in series to form reaction tubes. According to the reactor, the residence time of the reaction fluid is greatly increased, the problems in the prior art that a pipeline needs to be processed too long and cannot be easilyachieved in the industry when the reaction rate is low are solved, the floor space is effectively reduced, the reactor is well achieved, the heat exchange effect is improved, the flow length of the fluid is increased, the reaction residence time is ensured, and the reactor is suitable for reactions with large residence time.
Owner:SHANDONG HIMILE CHEM TECH +1

Cable-stayed bendable opening trestle structure and construction method thereof

ActiveCN104213501AElimination of air clearance restrictionsGuaranteed to passBascule bridgesBridge erection/assemblyCable stayedEngineering
The invention discloses a cable-stayed bendable opening trestle structure and a construction method thereof. The method comprises the steps as follows: two groups of lattice columns are respectively arranged at each side of a set bridge floor position; a distribution base is arranged at the top end of each lattice column; a winding engine is arranged on each distribution base; fixed support piles are plugged into the inner sides of the lattice columns at two sides; bent pier pipe piles are plugged between the two groups of lattice columns at the same side; an H-shaped steel beam is hoisted on the tops of a plurality of bent pier pipe piles at each side; an upper structure of a unilateral bridge is arranged on the H-shaped steel beam at each side; the tension ends of front stay cables which are connected with two of the four winding engines at one side are fixed at the front end parts of front open sections at the same side; the tension ends of rear stay cables which are connected with the other two winding engines at the side are fixed at the front ends of rear open sections of the side. By adopting the method, the navigable clearance limit of a channel is removed by the design of a cable-stayed system bending structure, and a large ship can be ensured to pass under the permissive condition of the ship width.
Owner:CHINA CONSTR SIXTH ENG DIV CORP

Tunneling machine, cutting portion thereof and cutting method

ActiveCN105604559AGuaranteed to passRealize hole reamingTunnelsHobbingEngineering
The invention discloses a cutting portion of a tunneling machine. The cutting portion is characterized in that front-surface hobbing cutters are mounted on the front surface of a cutter head, a cutter arm support is mounted on the back surface of the cutter head, a first retractable cutter arm, a second retractable cutter arm, a third retractable cutter arm and a fourth retractable cutter arm are mounted on the cutter arm support, and chamfering hobbing cutters are mounted on the first retractable cutter arm, the second retractable cutter arm, the third retractable cutter arm and the fourth retractable cutter arm; the first retractable cutter arm and the second retractable cutter arm are respectively parallelly retractably arranged along the positive and negative directions of an X axis, the third retractable cutter arm and the fourth retractable cutter arm are respectively parallelly retractably arranged along the positive and negative directions of a Y axis, and the rotation axis of the cutter head is perpendicular to a plane formed by the X axis and the Y axis. The invention further discloses the tunneling machine and a cutting method. The cutting portion, the tunneling machine and the cutting method have the advantages that the diameter of the cutting portion of the tunnel machine can be varied, so that the diameters of the sections of tunnels can be varied, chamfering operation can be implemented, and the cutting portion and the tunneling machine are high in variable amplitude; the chamfering diameters are large, so that personnel can assuredly pass the tunnels, and maintenance and gear replacement can be implemented.
Owner:SANY HEAVY EQUIP

Test engine for testing solid rocket propellant

The invention discloses a test engine for testing a solid rocket propellant. The test engine comprises a combustion chamber shell body, one end of the combustion chamber shell is provided with a top cover, and the other end of the combustion chamber shell is connected with a nozzle assembly; the inner part of the combustion chamber shell is provided with a propellant loading combustion chamber, the two ends of the inner part of the combustion chamber shell are each provided with a propellant column support of a hollowed-out structure, the two propellant column supports are oppositely arranged,propellant columns are installed between the two propellant column supports, and a gunpowder bag is arranged at the end, close to the top cover of each propellant column support; the propellant columns are cylindrical, and a central shaft is provided with an inner hole; and the end face of each propellant column is in contact clamping with the corresponding propellant column support, and a gap exists between the outer side wall of each propellant column and the inner wall of the combustion chamber shell. The propellant columns are stable in combustion, small in ablation and accurate in measurement, and the test engine is simple in structure, convenient to assemble and reusable.
Owner:HUBEI SANJIANG AEROSPACE JIANGHE CHEM TECH

Crude oil storage tank oil-water liquid level measurement device and method

The invention discloses a crude oil storage tank oil-water liquid level measurement device and method. The device comprises a crude oil storage tank and an oil-water liquid level measurement device body arranged in the crude oil storage tank, wherein the oil-water liquid level measurement device body comprises a light source lighting array and a light-sensitive sensing array which are arranged in a medium in the crude oil storage tank in parallel. The light source lighting array comprises a plurality of serially connected light emitting diodes, the light-sensitive sensing array comprises a plurality of serially connected light dependent resistors, the top of the light source lighting array and the top of the light-sensitive sensing array are connected with a data acquisition module, and the data acquisition module is located at the top of the crude oil storage tank. The difference principle that propagation and absorption of light in different media are different is utilized to acquire light signals absorbed by the media through a light-sensitive sensor, different data of the different media is obtained, gas, oil, water and an oil and water mixed medium are distinguished, and stable, efficient and accurate measurement of the oil-water liquid level of the crude oil storage tank is achieved.
Owner:SHAANXI UNIV OF SCI & TECH

Ultrafast laser processing method for specially-shaped air film hole of aero-engine flame tube

ActiveCN113059277ARealize spatial attitude adjustmentGood hole patternLaser beam welding apparatusLaser processingGalvanometer
The invention discloses an ultrafast laser processing method for a specially-shaped air film hole of an aero-engine flame tube. A laser processing system consisting of a five-axis translation table, four optical wedges, an ultrafast laser and a computer is included; the method is characterized in that a method for realizing rotary cutting through cooperation of a galvanometer processing head and the four optical wedges is adopted, and the five-axis translation table is used for adjusting the space posture of the flame tube so as to carry out ultrafast laser processing on the specially-shaped air film hole. Compared with the prior art, the method has the advantages that the method is high in precision, good in hole pattern, free of cracks, free of material selectivity and the like, achieves a good processing effect during processing of the specially-shaped air film hole of the aero-engine flame tube, is high in practicability, high in precision, reliable and efficient, can be used for processing micropores with the high depth-diameter ratio and the complex internal space structure, really solves the problem about how to process various specially-shaped air film holes of complex structures through simple and stable equipment, and has the application and popularization value in processing of the specially-shaped air film holes of the aero-engine flame tube.
Owner:星控激光科技(上海)有限公司

Catching device

The invention relates to a medical apparatus, in particular to a thrombus extraction device for mechanical elimination of thrombus blocked in intracranial vessels of patients when acute ischemic stroke attacks the patients so as to recover blood flow. The catching device is characterized in that a catching system is of a bagged structure with the remote end sealed. The bagged structure is composed of a framework structure and a membrane structure. The framework structure is made of metal or high polymer materials, the membrane structure is made of high polymer materials, and a cellular structure is formed on the membrane structure. The bagged structure is retracted into a conveying system under external acting force, and the conveying system conveys the catching system to the target blood vessel position.
Owner:SHANGHAI ACHIEVA MEDICAL SUZHOU CO LTD

Electrolytic reaction system and cupric chloride etchant regeneration and copper extraction technology

InactiveCN107059012AElectromigration process controlGuaranteed to passPhotography auxillary processesReaction systemElectroplating
The invention relates to the technical field of electroplating, in particular to an electrolytic reaction system and a cupric chloride etchant regeneration and copper extraction technology. The electrolytic reaction system comprises an electrolytic cell, a cathode chamber for containing a cathode plate and an anode chamber for containing an anode plate are arranged in the electrolytic cell, the anode chamber is surrounded by a positive ion film, and the cathode chamber and the anode chamber are isolated through the positive ion film; etching waste liquid is contained in the cathode chamber, and dilute sulphuric acid is contained in the anode chamber. The invention further discloses the technology for conducting cupric chloride etchant regeneration and copper extraction through the electrolytic reaction system. Due to existence of the positive ion film, Cl- cannot achieve migration of the anode, therefore, the anode cannot carry out discharging for chlorine forming, a regenerated etchant does not need to be supplemented for chlorine ions again, meanwhile, only water needs to be supplemented in the whole operation process, the system does not need to be supplemented for other absorbing devices and absorbing materials, and the technology process is more environment-friendly and energy-saving.
Owner:广州合凯环保科技有限公司

Oil smoke purifier with honeycomb structure

The invention discloses an oil smoke purifier with a honeycomb structure. The oil smoke purifier comprises an insulating box body, wherein a positive electrode lead screw and a negative electrode lead screw are erected between the side walls of the insulating box body, a positive electrode plate and a negative electrode plate are respectively arranged on the positive electrode lead screw and the negative electrode lead screw and are in alternate arrangement, a position under the positive electrode plate and the negative electrode plate on the insulating box body is provided with a positive electrode tube, a negative electrode rod penetrates through the positive electrode tube, the positive electrode tube is an orthohexagonal tube body, one end of the side surface near the edge side, of the positive electrode tube is provided with a bulge, the other end of the positive electrode tube is provided with a clamp groove matched with the bulge, and the positive electrode tube is buckled through the bulge and the clamp groove. The generated polarization electric field is extremely uniform, the full polarization of oil smoke particles is ensured, meanwhile, the time for allowing the oil smoke particles to completely pass through the polarization electric field is prolonged, no gap and no dead corner exist, the oil smoke is enabled to completely pass through the positive electrode tube, the polarization rate of the oil smoke particles is improved, and the oil smoke purifier has the characteristics that the structure is simple and compact, the stability and the reliability are good, the installation is convenient, and the cost is low.
Owner:张熙睿

Method for determining railway space line position in karst mountainous area

The invention discloses a method for determining a railway space line position in a karst mountainous area, and aims to enable a tunnel to integrally pass through a section with lower karst water gushing and mud bursting risks, effectively reduce railway engineering risks in the karst mountainous area, greatly reduce line selection cost and save investigation time limit. The method comprises the following steps: arranging a karst hydrodynamic profile along a karst slope in a direction perpendicular to a river; determining the highest underground water level line; determining a lowest underground water level line; dividing a karst vertical seepage zone, a karst seasonal variation zone and a karst horizontal flowing zone; through coordination and cooperation of spatial line position plane position adjustment and spatial line position longitudinal section position adjustment, enabling a railway tunnel to pass through a middle-low-risk karst vertical seepage zone, avoid a high-risk seasonal variation zone and an extremely-high-risk horizontal flowing zone, or form a herringbone slope surface in a preset tunnel.
Owner:CHINA RAILWAY ERYUAN ENG GRP CO LTD

Flow-passing-type debris flow blocking dam and dam group

The invention discloses a flow-passing-type debris flow blocking dam and a dam group. The flow-passing-type debris flow blocking dam and the dam group which is composed of a plurality of flow-passing-type debris flow blocking dams are included. The flow-passing-type debris flow blocking dam is composed of a main dam body, an overflow weir and a plurality of draining holes. The overflow weir is located above the main dam body, and the multiple draining holes are formed in the bottom of the main dam body. The flow of the overflow weir and the flow of the draining holes should meet the following conditions that the discharge capacity of the overflow weir and the draining holes satisfies the requirement of the maximum flow rate of debris flow capable of guaranteeing safety of the blocking dam, the let-down flow rate of the draining holes is smaller than the maximum let-down safety flow rate capable of guaranteeing safety of a downstream protective area, the minimum width of the draining holes can ensure that stone with the maximum stone particle size in channel passing flow, desilting vehicles and equipment pass through, and the total storage capacity of the blocking dam and the dam group can effectively block the maximum total rush-out amount of the debris flow under the fortification standard. The flow-passing-type debris flow blocking dam and the dam group have the beneficial effects that the structure is safe, desilting is convenient, the retaining storage capacity can be used repeatedly, and the effects of preventing disasters and reducing damages are obvious.
Owner:LANZHOU UNIVERSITY +1

Insulator core chamber sealing device and current sensor/transformer

The invention relates to an insulator core chamber sealing device and a current sensor / transformer with the same. The insulator core chamber sealing device is used for sealing an insulator core chamber inserted with an optical fiber, and the insulator core chamber is filled with fluid or semi-fluid insulating liquid. The device comprises a waterproof connector, a sleeve, a sleeve cap and filler, the waterproof connector is in butt joint with a flange at the end of an insulator, the sleeve is inserted into the waterproof connector and clamped with the waterproof connector, holes allowing the optical fiber to penetrate are formed in end faces of both sides of the sleeve, the filler is arranged in the sleeve, fixes the optical fiber in the sleeve and functions in sealing, the sleeve cap is mounted at the tail end of the sleeve, and a hole allowing the optical fiber to penetrate is formed in the end face of the sleeve cap. The device can achieve sealability of the fluid / semi-fluid insulating liquid in the insulator core chamber for penetration of the optical fiber to further guarantee normal operation of a power grid, and has the advantages of simple structure, low processing cost, easiness in operation, high efficiency, safety and the like.
Owner:安徽新高电气有限公司

Novel height-adjustable fence for engineering construction

The invention relates to a novel height-adjustable fence for engineering construction. The novel height-adjustable fence comprises an upper baffle body and a lower baffle body. The upper baffle body is connected with the upper portion of the lower baffle body in an inserted mode to adjust the height of the entire fence. The upper baffle body is moved downward, inserting connecting rods are inserted into inserting connecting grooves correspondingly, a panel of the upper baffle body is embedded into a panel groove, a fixing locking hole and a fixing through hole in the lower portion of each inserting connecting rod are arranged coaxially and allow a dowel to penetrate through to fix the upper baffle body and the lower baffle body together, and therefore the height of the fence is adjusted. According to the novel height-adjustable fence for engineering construction, ventilating holes are formed in the baffle bodies, passing of air from the ventilating holes is ensured, pressure of the fence is reduced, and the stability of the fence is increased.
Owner:TIANJIN XIAODE COLOR CORRUGATED SHEET STEEL CO LTD

Method for synchronously welding two surfaces of stainless steel thick plate

The invention discloses a method for synchronously welding two surfaces of a stainless steel thick plate, which is mainly used for welded connection of stainless thick plate equipment in the industries of metallurgy, chemical engineering and the like. The method mainly comprises the following steps of: synchronously welding the same welding seam from two surfaces by adopting a filament argon arc welding method under the condition of the same welding equipment, environment and welding condition to ensure that the welding seam is qualified by one step; and forming a method for synchronously welding the two surfaces of the stainless steel thick plate through filament argon arc welding to ensure that the welding seam is qualified by one step. The method has the advantages that: the same welding seam is welded from two surfaces synchronously, the contraction percentages of the two surfaces are the same, leakage points cannot be generated, and the welding seam can be qualified by one step, so that the method is particularly suitable for welding pressure containers.
Owner:JIANGSU VOCATIONAL INST OF ARCHITECTURAL TECH

ballast excavation device

The invention discloses a railway ballast excavating device of railway track clearing equipment. The railway ballast excavating device comprises a frame, railway ballast excavating mechanisms and a railway ballast conveying device. Each excavating mechanism comprises a lifting oil cylinder, a drive motor and an excavating chain assembly, wherein the lifting oil cylinder is installed on the frame in a connection mode and is connected to the drive motor, the drive motor is connected to the excavating chain assembly in a transmission mode, the excavating chain assembly is provided with an excavating chain wheel, an annular ballast removing chain and rake teeth, the excavating chain wheel is meshed with the annular ballast removing chain, and the rake teeth are installed on the annular ballast removing chain in a connection mode. The railway ballast conveying device comprises a railway ballast sucking pipe, a railway ballast storage device, a railway ballast filter, a vacuum sucking pump and a conveying belt. The railway ballast excavating mechanisms are installed on the two sides of the frame respectively, and the lifting oil cylinders of the railway ballast excavating mechanisms are installed on the frame in the connection mode through sliding mechanisms capable of moving in the width direction of the frame. According to the device, the excavation width and the excavation depth can be adjusted. The railway ballast excavating device can work in narrow work faces such as railway tunnels.
Owner:CHANGZHOU RUITAI ENG MASCH CO LTD +1

Sectional curtain water barrier structure

The invention discloses a sectional curtain water barrier structure. The sectional curtain water barrier structure comprises a horizontal inhaul cable structure and a multi-section curtain water barrier structure, wherein the horizontal inhaul cable structure comprises concrete anchorage piers and a horizontal inhaul cable; the concrete anchored piers are arranged on two sides of the river bank; two ends of the horizontal inhaul cable are anchored on the concrete anchorage piers respectively; the horizontal inhaul cable is higher than the maximum water level of a reservoir; the multi-section curtain water barrier structure is formed by a plurality of curtain water barrier structures which are connected with each other in parallel. The sectional curtain water barrier structure is capable of effectively preventing low-temperature water in the lower part of the reservoir from flowing to a water intake of a power plant, so that the surface water of the reservoir is frequently taken when in water taking; the discharging water flow temperature of a hydropower station is increased; the influence of power generation discharging water flow on the temperature and the content of oxygen of the downstream river channel is reduced; growth and development of downstream aquatic organisms are facilitated; the structure is also capable of adjusting the curtain water barrier range according to different water depths, thus ensuring that the surface water can pass through the curtain water barrier structure.
Owner:TIANJIN UNIV

Air-oxygen mixing structure for breathing machine and breathing machine

The invention provides an air-oxygen mixing structure for a breathing machine and the breathing machine. The air-oxygen mixing structure comprises an air flow detecting cavity, an oxygen guide cavity, an air guide cavity and a mixing cavity. The inlet end of the air flow detecting cavity is an air inlet, and the outlet end of the air flow detecting cavity is communicated with the inlet end of the air guide cavity. A pressure-drop holed wall is arranged in the air flow detecting cavity, and a flow detecting port I and a flow detecting port II are respectively arranged on the front side and the rear side of the pressure-drop holed wall. The air guide cavity is a circular-ring-shaped cavity arranged on the periphery of the air guide cavity, and an oxygen inlet is formed in the outer wall of the oxygen guide cavity. The inlet end of an oxygen mixing guide cavity and the inlet end of an air mixing guide cavity are respectively communicated with the oxygen guide cavity and the air guide cavity, and the outlet ends of the two cavities are both communicated to the mixing cavity. The outlet end of the mixing cavity is provided with a mixing holed wall. The air-oxygen mixing structure is used for the breathing machine and has the advantages of being simple in structure, capable of preventing turbulent flows from influencing flow detection and making gases be mixed fully.
Owner:HUNAN MICOME ZHONGJIN MEDICAL SCI & TECH DEV CO LTD

Intelligent quick charging system and method

InactiveCN108032743AFast chargingMeet the requirements of fast power replenishmentCharging stationsElectric vehicle charging technologyElectricityEngineering
The invention discloses an intelligent quick charging system and method. The intelligent quick charging system comprises ground side equipment and vehicle side equipment. After a vehicle enters a charging region and stably parks, a vehicle-mounted wireless communication device (13) is connected with a ground wireless communication device (3), a ground controller (2) conducts image capture and locating control through a visual sense capture control device (51) of a robot device (5), a current collection disc (4) at the top of a mechanical arm (52) is conveyed to the position near a vehicle current receiving disc (14), after the current collection disc and the current receiving disc are located and attracted, the ground controller commands a vehicle-mounted battery management device (11) andground charging equipment (1) to conduct information exchange and detection through the wireless communication devices on the vehicle side and the ground side, after a confirmation is made, high-voltage current is transmitted to the charging equipment, and charging is conducted according to a charging procedure until charging is finished; and after charging is finished, the current collection disc and the current receiving disc are free of attraction, and the mechanical arm returns the current collection disc to the original position from the position of the vehicle current receiving disc.
Owner:孙艳洁 +1

Train multi-professional-Ethernet comprehensive bearing method and device based on TSN

The embodiment of the invention discloses a train multi-professional-Ethernet comprehensive bearing method and device based on a TSN. The method comprises the steps: building a train communication control network based on the TSN; setting the TSN transmission rate of the train communication control network according to the train communication bandwidth requirement; determining service data havinga requirement for transmission delay in train communication, and configuring a frame preemption mark of the TSN for the service data in the transmission process of the service data; and performing train communication control based on the TSN transmission rate and a frame preemption mark carried on the service data. According to the embodiment of the invention, the train communication control network is established based on the TSN, so the high bandwidth, low delay and unique frame preemption technology of the TSN can be fully utilized to provide support for priority transmission of train key data information, and the performance of the train communication control network can be improved.
Owner:TRAFFIC CONTROL TECH CO LTD
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