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Surface mounted modular exercise device
InactiveUS20150352395A1Easy to adjustLess likely to malfunctionResilient force resistorsSpace saving gamesSurface mountingEngineering
Described herein are devices and methods which incorporate a surface mounted “base structure” for use with one or more components allowing various resistance-based exercises to be performed, for example, exercises incorporating bars, benches, handles and resistance bands. The device can be made modular such that an intermediate structure can interchangeably cooperate with various components allowing a myriad of different exercises to be performed, utilizing the same single intermediate structure. The device can comprise additional designs and features to enhance the safety and stability of the device and the connections of the various components to the device.
Owner:GREGORY TREVER
Lifting type charging tray feeding and discharging equipment
ActiveCN105293081ASave spaceGood streamlineStacking articlesDe-stacking articlesMechanical engineeringPiston
The invention discloses lifting type charging tray feeding and discharging equipment. The lifting type charging tray feeding and discharging equipment comprises an empty charging tray lifting mechanism, a discharge lifting mechanism and a moving mechanism. The empty charging tray lifting mechanism and the discharge lifting mechanism each comprise a lifting motor, a lead screw, a supporting plate and a guiding device, wherein the lead screw is connected with the lifting motor and vertically arranged; the supporting plate is in threaded connection with the lead screw and horizontally arranged; the guiding device is used for guiding ascending and descending of the supporting plate; a charging tray is borne by the supporting plate. The moving mechanism comprises a cross beam, a moving cylinder mounted on the cross beam and an unloading mechanism mounted on a piston of the moving cylinder. The moving cylinder drives the unloading mechanism to horizontally move between the empty charging tray lifting mechanism and the discharge lifting mechanism. According to the technical scheme, the lifting type charging tray feeding and discharging equipment has the beneficial effects that multiple empty charging trays can be placed at a time, and labor and time are saved; the charging trays can be taken at a time when all fully loaded with materials in the material taking process, and labor and time are saved.
Owner:SUZHOU HEROIC AUTOMATION TECH
Multistage electric pump for improving coarse-particle solid-liquid two-phase slurry
InactiveCN103016362AIncrease ascent speedAvoid strandedPump componentsPump installationsElectricityThrust bearing
The invention discloses a multistage electric pump for improving coarse-particle solid-liquid two-phase slurry. The multistage electric pump comprises an electric pump outer shell, a dual-output-shaft submersible motor with a thrust bearing, an upper pump and a lower pump, wherein the dual-output-shaft submersible motor, the upper pump and the lower pump are arranged inside the electric pump outer shell, the upper pump and the lower pump are respectively arranged on an upper-end output shaft and a lower-end output shaft of the submersible motor, a two-channel annular runner is arranged between the electric pump outer shell and an outer shell of the submersible motor, two ends of the two-channel annular runner are in seamless connection with a runner of the upper pump and a runner of the lower pump through an upper suction shell and a lower suction shell so as to form an integral runner of the electric pump, and the coarse-particle slurry can smoothly flow through the runner or flow back. According to the invention, the problem of runner blockage of coarse particles caused by detainment or backflow in the runner is solved, and the multistage electric pump has the characteristics of reasonable structure, simplicity for operation, capability of allowing the large coarse particles to flow through and flow back, high lift and the like.
Owner:深圳市远东海洋矿产资源开发研究院有限公司
Bidirectional multimode power converter
ActiveUS9762115B2Easy loadingFacilitates toleranceEfficient power electronics conversionDc-dc conversionSingle stagePower flow
The apparatus of present invention converts AC or DC power sources to AC or DC power loads, in a single stage, bidirectionally, employing variable, high frequency resonant circuits and power switches, to continuously vary the gain of the conversion circuit. Inrush current control, idle converter turn off, line voltage brown out protection, soft start, high pre-charge voltage generation, soft shut down, and dimming operation are inherent characteristics of the apparatus of the instant invention. A remotely configurable and operable controller may optionally be used to control the mode of conversion, the amplitude and frequency of the output voltages. The resonant circuits can be paralleled to derive multiple outputs. Multiple converter stages can be cascaded to meet the various power needs of an application such as multiple outputs and different amplitudes. Components can be eliminated for specific conversion applications. The circuits can be implemented in semiconductor packages.
Owner:SHARMA VISWA N
Ship power distribution monitoring information acquisition system
InactiveCN101938165AOptimize the operation modeImprove securityCircuit arrangementsComputer moduleEngineering
The invention aims at a multipath power distribution branch circuit with an intelligent breaker and provides a ship power distribution monitoring information acquisition system which is characterized by comprising a main control box and N subcontrol boxes, wherein each subcontrol box is independently connected with the main control box; the main control box comprises a field acquisition and communication module, a data processing module and a network communication module, wherein the field acquisition and communication module in the main control box is directly connected with the intelligent breaker arranged on the required monitored power distribution branch circuit in parallel and is used for collecting data, the input end of the data processing module is connected with the field acquisition and communication module in the main control box and the subcontrol boxes, the data processing module is used for processing all data collected by the main control box and the subcontrol boxes and reporting a result to the network communication module, and the result is transmitted to an upper-layer monitoring network by a two-way CAN bus; and each subcontrol box comprises a field acquisition and communication module and a retransmission unit, wherein the field acquisition and communication module is connected with the intelligent breaker arranged on the required monitored power distribution branch circuit and is used for transmitting the collected data to the main control box from the retransmission unit.
Owner:CHINA SHIP DEV & DESIGN CENT
Automatic detection of infectious diseases
InactiveUS20100297645A1Good streamlineAvoids and minimizes any delayBioreactor/fermenter combinationsHeating or cooling apparatusPathogenBiology
The invention relates to the detection of infectious diseases. A system for automatic detection of infectious diseases is disclosed. The system comprises an input unit for receiving a blood sample, a lysis unit, a PCR unit, a sample unit and a detection unit. The systemmay based on an inputted blood sample generate an output signal that isindicative of the presence of pathogen DNA in the blood sample.
Owner:BIOCARTIS NV
Method for detecting bin level based on image entropy
InactiveCN102116658AImprove adaptabilityLow image quality requirementsMachines/enginesLevel indicatorsImage basedDigital camera
The invention provides a method for detecting a bin level in an image processing mode based on a digital camera and auxiliary lighting equipment. The method provided by the invention comprises the following steps of: grading the range of a bin by summarizing the characteristics of an image environment of the bin and analyzing the distribution law of the image entropy of defocused images within the full range of the bin in the environment of the bin; controlling the lens focus of the digital camera by a program so that the camera captures images based on grades; preprocessing the images firstly, and extracting feature textures of materials; and calculating the image entropy of the processed images, and finally obtaining a bin level value through analysis and calculation.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Vectors and methods for the mutagenesis of mammalian genes
InactiveUS20050059078A1Increased cellular fluorescenceGood streamlineSugar derivativesMicrobiological testing/measurementMammalGenome
Disclosed herein are methods for mutagenizing a mammalian gene, the methods involving introducing into a mammalian cell a retroviral vector which includes a splice acceptor sequence, a transcription termination sequence, and retroviral packaging and integration sequences, the introducing step being carried out under conditions which allow the vector to integrate into the genome of the cell. Also disclosed are retroviral vectors for use in these methods as well as methods for the use of mutagenized cells.
Owner:OMEROS CORP
Rolling forming method of T-type cross section full fiber gear ring
The invention discloses a rolling forming method of a T-type cross section full fiber gear ring. The method comprises procedures as follows: design of a ring blank: the ring blank is designed according to sizes of a forge piece and a core roll, the deformation distribution ratio, deformation rules, section similarity principle and the like; unloading and heating: unloading is performed according to the weight of the forge piece, and the forge piece is heated to the initial forging temperature; blank making: a well heated blank material is subjected to upsetting and round hole punching, two side surfaces of the blank material are sequentially subjected to step pressing by use of a special-shaped punch, an outer circle is as round as possible until designed sizes are met, and blank making iscompleted; the prepared ring blank is reheated to the initial forging temperature and kept at the temperature for a period of time, rolling forming is performed on a horizontal ring rolling machine,and the T-type cross section full fiber gear ring is obtained. The utilization rate of raw materials is increased, machining allowance is reduced, the machining cycle of a product is shortened, the produced gear ring has good linearity and the process is simple.
Owner:BAOJI PETROLEUM MASCH CO LTD
A heart-assisted axial flow blood pump
Owner:CHANGZHI JIUAN ARTIFICIAL HEART TECH DEV
Uniform speed flow measuring device possessing speed raising function
InactiveCN1590973AImprove accuracyGood average speed performanceVolume/mass flow by differential pressureArray data structureEngineering
Owner:温汉璋
Breach cut-off device and cut-off method
InactiveCN101586335ASmall impactSmall tearing forceDamsClimate change adaptationWater flowEngineering
The present invention relates to a breach cut-off device. One or a plurality of water-absorption leakage-blocking bags which are connected in parallel with a rope are filled with high-water-absorption resin. The two ends of the leakage-blocking bag connection rope are connected with a hollow steel pile fixed on the dam. The cut-off method comprises the following steps: A. respectively fixing four hollow steel piles on two ends of the breach, and fixing two hollow steel piles on each end; B. mounting the breach leakage-blocking bags which are connected in parallel above the water surface of the breach, and suspending on the links of four hollow steel piles at both ends, straining and hitting the breach leakage-blocking bags into the water with the steel bars; and C. placing the next group of breach leakage-blocking bags into the water with a same method until the last group of breach leakage-blocking bags exceeds the water surface for blocking the breach through the water-absorption expansion of the breach cut-off device. The leakage-blocking bag designed by the invention has better streamline property, bears less impact force of the breach current in entering the water, has more regular shape after water-absorption expansion and facilitates the compact arrangement between the bags. The transportation and field installation is convenient and quick. The breach cut-off device and the cut-off method according to the invention have more practical value in flood emergency fighting.
Owner:HEBEI UNIVERSITY
Drug-mixing connector for plastic infusion soft bag
ActiveCN102178602AStreamlinedImprove mechanical propertiesPharmaceutical containersMedical packagingBiomedical engineeringMedical device
The invention discloses a drug-mixing connector, in particular relates to a drug-mixing connector for a plastic infusion soft bag, belonging to the technical field of medical device manufacturing. The drug-mixing connector is characterized in that, during the drug mixing process, when an easy-to-break handle is broken, the infusion soft bag is not damaged, and the broken handle segment of the easy-to-break handle does not drop into a plastic infusion soft bag. The drug-mixing connector comprises the easy-to-break handle, the infusion soft bag and a hard dual connector which is connected with the infusion soft bag and comprises a drug-mixing channel and an infusion channel; the drug-mixing channel is connected with a drug-mixing mouth which comprises a drug-mixing clamping body and a needle cylinder body; the drug-mixing connector further comprises a sealed rubber hose, and the drug-mixing mouth is connected with the drug-mixing channel through the needle cylinder body and the sealed rubber hose; and the easy-to-break handle is sheathed at the tail end of the needle cylinder body in the sealed rubber hose.
Owner:CHONGQING LUMMY PHARMA
Apparatus and method for developing a proper swimming whip kick and training the competitive breaststroker
Apparatus and method are provided for teaching and / or improving upon the mechanics of the whip kick that may be used while performing the breaststroke and training the competitive breaststroker. The tool includes a fin that is configured to receive a swimmer's foot and a propulsive blade that engages the water at the beginning of the propulsive phase of the kick, such as when the swimmer's legs have reached maximum flexion at the knees, with feet positioned slightly wider than the knees, heels turned in while the toes are turned out and ankles flexed. As the swimmer initiates the power phase of the kick, the propulsive blade achieves maximum purchase of the water. As execution of the power phase continues, the propulsive blade channels the captured water backward and away from the swimmer, remaining stiff enough to hold onto the water while force is applied, yet sufficiently flexible enough to recover or flip downward as the swimmer extends the ankles and rolls the outer edges of his / her feet over and inward, snapping the soles together.
Owner:RYLAND DAVID E
Combined type circular pipe pipe-fin heat exchanger
ActiveCN102141353AReduce sizeImprove heat transfer effectTubular elementsMechanical energyEngineering
The invention discloses a combined type circular pipe pipe-fin heat exchanger, relating to the technical field of heat exchangers. The combined type circular pipe pipe-fin heat exchanger comprises circular pipes arranged along a flow direction of gas and fins sleeved on the circular pipes, wherein the fins are provided with holes used for being sleeved with the circular pipes, a flanging boss is arranged on the edge of each hole, a pair of rectangular small wing plane vortex generators is punched at the rear part of each hole, and an oval convex hull is punched at the front part of the hole. The oval convex hulls have better streamline, and when flowing through the oval convex hulls, a fluid changes a flow direction and flows along the convex hulls, thereby the loss of flow resistance caused by directly and vertically washing the circular pipes with the fluid is reduced. Meanwhile, after the fluid flows through the rectangular vortex generators, secondary flow following a mainstream is generated in the fluid. When a part of the fluid flows through the vortex generators, a fluid channel is formed between each circular pipe and each vortex generator and is led to a recirculation region of the circular pipes, thereby the size of the recirculation region at the downstream of the circular pipes is reduced, the heat exchanging performance between the pipe wall at the downstream of the circular pipes as well as the surface of adjacent fins and the fluid is improved, and the consumption of the mechanical energy in the recirculation region is reduced.
Owner:LANZHOU JIAOTONG UNIV
A two-side visual detection robot and a detection method thereof
PendingCN108931534ARealize acquisitionHigh speedOptically investigating flaws/contaminationCamera lensMachine vision
A two-side visual detection robot and a detection method thereof are disclosed. The robot at least includes turnover devices accommodating and fixing LED backlight sheets, driving the LED backlight sheets to turn over, and allowing a zone to be detected of at least one surface of the LED backlight sheets on the turnover devices to be exposed; image collection devices movably arranged on the turnover devices to collect images of the exposed zones to be detected of the LED backlight sheets on the turnover devices; and a control device connected to the turnover devices and the image collection devices. The robot is exquisite in design and simple in structure, and two surfaces to be detected of each LED backlight sheet can be pointed at a camera lens respectively through turnover to achieve image collection, and therefore, automatic two-side defect detection of LED backlight sheets can be performed by utilizing a visual recognition technique, manual intervention on a detection process is low, problems of detection leakage and a low detection precision are solved, the speed and accuracy of detection with machine vision are far higher than those of detection with human eyes, and good detection precision and a high efficiency are effectively achieved.
Owner:SUZHOU JIANGJIN AUTOMATION TECH
Profile modeling mechanical ray based on water spray promoting manner
InactiveCN105905267AGood streamlineReduce resistancePropulsive elements of non-rotary typeEngineeringWater spray
A profile modeling mechanical ray based on a water spray promoting manner comprises a shell in a ray shape, a power device, a hydraulic device, a control device and a detection device. The shell is composed of a front shell body in the shape of a ray body and a rear shell body in the shape of a ray tail. The front shell body and the rear shell body are fixedly connected through screws. A detachable upper top cover is formed on the top of the front shell body. An engine compartment vertically corresponding to the upper top cover is arranged in the front shell body. A left compression compartment is formed in the left side of the engine compartment. A right compression compartment is formed in the right side of the engine compartment. A first front channel and a second front channel which communicate with the external environment are formed in parallel in the portion of the front end of the left compression compartment in the front and back direction. A first valve is installed at the front end of the first front channel, and a second valve is installed at the front end of the second front channel. The profile modeling mechanical ray is reasonable in design, the shell in the ray shape is adopted, a heading manner that compression boards are driven by power, so that water is sprayed backwards in the compression compartments is used, the tail can swing leftwards and rightwards, and a tail wing can be controlled by a steering engine to rotate up and down.
Owner:HENAN POLYTECHNIC UNIV
Lighting device and lamp provided with same
InactiveCN103216741ASimple preparation processLow costPoint-like light sourceElongate light sourcesEffect lightEngineering
The invention relates to a lighting device (100), comprising a first light-emitting component (1), a second light-emitting component (1`) and a heat radiating device (2), wherein the heat radiating device (2) is provided with a first heat radiating body (21) and a second heat radiating body (22) arranged around the first heat radiating body (21), the first light-emitting component (1) and the second light-emitting component (1`) are respectively arranged on the top surface (23) and the bottom surface (24) of the second heat radiating body (22), and reflectors used for the first light-emitting component (1) and the second light-emitting component (1`) are arranged on the first heat radiating body (21). According to the lighting device disclosed by the invention, the lighting effect is good, and the omni-directional lighting is specifically realized; and the lighting device and the lamp provided with the lighting device have the advantages that the manufacturing technique is simple, the cost is low, and the heat radiating capability is remarkably improved.
Owner:LEDVANCE GMBH
Combined curved-surface vortex generator-type round fin-tube heat exchanger
ActiveCN102162705AAvoid separationImprove heat transfer effectTubular elementsPlate heat exchangerEllipse
The invention relates to the technical field of heat exchangers, and discloses a combined curved-surface vortex generator-type round fin-tube heat exchanger, comprising round pipes arranged in the air flow direction and fins sheathed on the round pipes; the fins are provided with round holes sheathing the round pipes; a pair of trapezoid curved-surface vortex generators are punched at the rear part of each round hole; the bottom side of the curved-surface vortex generator and the round hole are respectively a concentric circle; a pair of trapezoid small holes are reserved on the fins; an elliptical convex hull is punched on the middle line at the front end of each round hole on the fin; and a concave pit is reserved on the backside of the fin. The liquid of the heat exchanger changes direction flowing the convex hull, thus the direct vertical washing to the round pipes by the liquid is reduced at the front part of the round pipe; the fluid is guided by the vortex generator to reach a round pipe tail stream area to inhibit the fluid at the rear side of the round pipe from separating; and the rear tail stream area of the round pipe is decreased, thus improving the heat exchanging performance on the contact surface of the fin and the tail stream area, and decreasing the loss of the flowing resistance in the tail stream area.
Owner:兰州金诺绿色能源动力科技有限责任公司
Sterilizing mechanism and humidifier thereof
PendingCN108413542ASterilizeWide coverageMechanical apparatusWater/sewage treatment by irradiationEngineeringWater seepage
The invention discloses a sterilizing mechanism and a humidifier thereof. The sterilizing mechanism comprises a wet curtain and an ultraviolet radiator, the wet curtain is in the shape of a verticallyarranged barrel, and a cavity is defined in the middle of the wet curtain. The rod-shaped ultraviolet radiator is located in the cavity, and the axis of the ultraviolet radiator coincides with the axis of the barrel-shaped wet curtain. The ultraviolet radiator emits ultraviolet rays to sterilize water on the wet curtain and air in the cavity. The top of the wet curtain is connected with a water trough, and the bottom of the water trough communicates with the wet curtain through a water seepage opening. The bottom of the wet curtain is connected with a water tank, the water tank is connected with a water pump, and the water pump and the water trough are connected through a vertical guide pipe. The water trough and the water tank are made from a transparent material, or the faces, towards the cavity, of the water trough and the water tank are mirror surfaces. The ultraviolet rays are adopted for sterilizing the water on the wet curtain, the air in the cavity and even water in the watertrough and the water tank, and are high in utilization rate and good in sterilizing effect.
Owner:SUZHOU CHUNJU ELECTRIC CO LTD
Marine vehicle like flying fish
ActiveCN106347588ASimple mechanical structure designEasy to process and manufactureSteering ruddersAircraft convertible vehiclesPropellerTailplane
The invention provides a marine vehicle like flying fish and mainly applies to the field of ships. The marine vehicle like flying fish comprises a propeller providing the power effect, a guide tube, a ship hull like the flying fish, a rotary support pillar and tail vanes. The whole device is pushed to move with the propeller as power, the ship hull like the flying fish floats on the water surface during low-speed movement, and the movement state of the whole device is adjusted by the aid of the rotary support pillar; the ship hull like the flying fish leaves the water surface during high-speed movement, and the movement state of the whole device is adjusted by the aid of the tail vanes mounted at the rear of the ship hull like the flying fish and having a function of an air rudder and in combination with the rotary support pillar.
Owner:HARBIN ENG UNIV
Plate twisting formation device and method
The invention discloses a plate twisting formation device and method. The formation device comprises a hydraulic base station, a gantry type press machine connected with the hydraulic base station, a twisting device arranged on the gantry type press machine and a fastening device for fixing plates, wherein the gantry type press machine comprises a platform, a U-shaped gantry arranged on the platform and a hydraulic cylinder arranged on the U-shaped gantry and connected with the hydraulic base station through a hydraulic pipe, and a clamp clamped with the twisting device is arranged at one end of the hydraulic cylinder. The twisting device comprises two twisting plates, wherein each twisting plate comprises small oval connecting ends and large oval twisting ends, a vertical tube is arranged between the small oval connecting ends, the small oval connecting ends are connected through a connecting shaft, and a concave plate is arranged on the vertical tube and is rightly clamped with the clamp. The large oval twisting ends are fixed through a connecting plate. A rectangular feeding port is further formed in each large oval twisting end and is used for placing the plates. The formation device is simple in structure and convenient to use.
Owner:CHANGCHUN INTER CITY RAILWAY VEHICLE ACCESSORIES
Low-wind-resistance anemometer
InactiveCN104374947AAvoid breakingReduce the possibility of damageFluid speed measurementThin membraneEngineering
The invention relates to a low-wind-resistance anemometer. The low-wind-resistance anemometer comprises a flow guide assembly, a wind pressure detection assembly and a pressure stabilizing assembly. The flow guide assembly comprises an air channel cavity composed of an upper flow guide surface and a lower flow guide surface which are parallel to each other. The wind pressure detection assembly comprises a closed cavity. The closed cavity is located at the center of the lower flow guide surface. The upper portion of the closed cavity is spherical. The spherical surface of the closed cavity is made of a soft thin film. The round bottom of the closed cavity is provided with a pressure sensor. A plurality of wind deflectors are arranged between the upper flow guide surface and the lower flow guide surface in an annular array mode. The axes of the wind deflectors are located in the diameter direction of the closed cavity. The planes where the wind deflectors are located are perpendicular to a pressure borne surface. A plurality of stand columns are arranged between the upper flow guide surface and the lower flow guide surface. The stand columns are arranged around the closed cavity. An annular trapezoidal filter screen is arranged between the edge of the upper flow guide surface and the edge of the lower flow guide surface.
Owner:高明 +4
Preparation method of paraffin particles based on CO2/N2 switch emulsion and application of paraffin particles
ActiveCN111253970AReduce pollutionEasy to saveWax physical treatmentDrilling compositionParaffin waxCyclohexylamines
The invention relates to a preparation method of paraffin particles based on CO2 / N2 switch emulsion and an application of the paraffin particles, which relate to the technical field of paraffin particles. The preparation method specifically comprises the following steps: S1) preparing an oil phase; S2) preparing a water phase; S3) preparing an O / W emulsion: mixing the oil phase and the water phase, stirring and emulsifying to obtain the O / W emulsion; S4) preparing paraffin particles: introducing carbon dioxide into the O / W emulsion, separating out the paraffin particles, and centrifuging to obtain the paraffin particles and a protonated solvent; S5) performing cyclic utilization: introducing nitrogen into the protonated solvent to obtain N, N-dimethylcyclohexylamine and an emulsifier aqueous solution, and respectively recycling. The invention also discloses the application of the paraffin particles. The invention discloses the preparation method of paraffin particles with recyclable solvent and emulsifier aqueous solution, which saves raw materials, lowers the cost and reduces the environmental pollution. Meanwhile, the invention further discloses the application of the product indrilling fluid.
Owner:SOUTHWEST PETROLEUM UNIV
Umbrella-shaped valve and combined-floating-body type hydrant
InactiveCN106382378ADoes not affect farmingRealize automatic shutdown functionOperating means/releasing devices for valvesWatering devicesRubber ringEngineering
An umbrella-shaped valve is mainly composed of a valve plate and a guide rod. A concave push valve seat is arranged at the center of the top face of the valve plate. The outer edge of the valve plate is provided with a water stop rubber ring, a water stop rubber ring reserved hole and a reserved groove. The top face of the water stop rubber ring is provided with a convex ring water stop line with an inclination angle. The valve plate is of a trapezoidal-cross-section hollow structure. A bottom seal cover is arranged at the bottom of a hollow area and is of a circular-arc-shaped structure. The center of the bottom seal cover is of a cylindrical internally-threaded structure. The guide rod is arranged in the cylindrical internally-threaded structure. Threads on the upper portion of the guide rod are connected with the cylindrical internally-threaded structure in a glue joint manner.
Owner:宋庆波
Integral propeller hub body of marine propeller
ActiveCN102501956AReduce processing requirementsEasy to installRotary propellersPropellerRound window
The invention discloses an integral propeller hub body of a marine propeller. The integral propeller hub body comprise an oil cylinder body, a spherical part and a cylindrical part which are integrally arranged in sequence, wherein inner cavities are respectively opened on the oil cylinder body, the spherical part and the cylindrical part along the axial lines; at the same time, the inner cavity opened on the spherical part is arranged in a regular prism manner; a wear-resistant ring groove and a Glyd ring groove are respectively opened at the junctions of the inner cavities of the oil cylinder body and the spherical part; a round window is opened on each side surface of the regular prism, oil grooves are opened on the internal and external end surfaces and an inner hole of each round window, and an O-shaped ring groove is opened on the external end surface of each round window; the end surface of the cylindrical part is provided with a pin hole and a thread hole; oil pressure detection ports are respectively opened on the end surface of the oil cylinder body and the outer circle of the spherical part; and three installation holes are uniformly distributed on at least circumferential direction of the outer circle of the spherical part. Therefore, by adopting the integral propeller hub body disclosed by the invention, the processing requirement is reduced, the connecting bolt is not used, the installation is convenient, and the leakage probability of hydraulic oil in the propeller hub body is reduced.
Owner:NANJING HIGH ACCURATE MARINE EQUIP CO LTD
Car door handle driving structure
The invention discloses a car door handle driving structure. The driving structure comprises a transmission swing arm, a limiting rotary shaft, a driving motor, a motor bracket, a first connecting part, a second connecting part, a pressing plate and a main support. The transmission swing arm is provided with a power end and a transmission end. The power end is fixedly connected with the limiting rotary shaft. The transmission end is connected with the first connecting part and the second connecting part. The first connecting part and the second connecting part are both fixedly connected with adoor handle. One side of the door handle is attached to the surface of the pressing plate. The first connecting part and the second connecting part are both fixedly connected with the pressing plate.The driving motor fixed to the motor bracket drives the limiting rotary shaft to rotate around the axis of the limiting rotary shaft. The motor bracket is fixed to the main support. The main supportis fixedly connected with a car door. The driving motor is in communication connection with a car controller. The car door handle driving structure has the prominent advantages of being reasonable indesign, high in reliability and the like, can make the streamline of a car better in the running process and then reduces wind resistance and oil consumption, and user experience is improved through the design of a hidden structure.
Owner:帝亚一维新能源汽车有限公司
A special-shaped tube processing technology
ActiveCN104307899BImprove efficiencyImprove processing efficiencyDrawing diesMachining processProduct processing
The invention provides a process for machining a special pipe. The method comprises the following steps: 1) extrusion and preforming of a roller, to be specific, selecting a hard round-straight copper pipe with an appropriate dimension parameter as a special pipe blank to be machined, and extruding and preforming the special pipe blank by using the roller so as to obtain a primarily machined blank; 2) one-step drawing formation, to be specific, putting the primarily machined blank into a drawing mold and obtaining the formed pipe after one-time drawing. The drawing mold comprises an outer mold and a core print, wherein the outer mold comprises a mold sleeve and a mold core; a cavity is formed in the mold sleeve; the mold core is clamped in the mold sleeve; a cavity is formed in the mold core; the core print is arranged in the cavity of the mold core; a drawing passage for drawing the pipe is formed between the mold core and the core print. The process for machining the special pipe, provided by the invention, has the advantages of higher machining process efficiency, better product stability and better appearance effect of the formed copper pipe; meanwhile, the rate of finished products is also increased and the product machining difficulty is reduced.
Owner:CHONGQING LONGYU PRECISION COPPER TUBE CO LTD
A projecting device for the recovery stage of an unmanned vessel
ActiveCN108995769AIncrease success rateImprove projectile accuracyBoat releasing/projecting devicesGas cylinderEngineering
The invention discloses a projecting device for a recovery stage of an unmanned vessel, which is mounted on the unmanned boat through a support seat. The projecting device comprises a launching tube and a projectile; The projectile is shaped like a missile; Projectiles are placed in the launch tube prior to the unmanned vessel recovery phase; The projectile comprises a bullet, a high-pressure gascylinder, an elastic spiral tail mounted on the outer surface of the high-pressure gas cylinder, a counter-rotating mechanism and a traction rope fixed on the counter-rotating mechanism.- One end of the high-pressure gas cylinder is provided with a bullet head, and the other end of the high-pressure gas cylinder is provided with a reverse rotation mechanism; The rotational direction of the counter-rotating structure is opposite to that of the elastic helical tail in the process of projectile launching. The invention improves the overall streamlinearity of the projectile to adapt to better aerodynamic characteristics, further improves the projectile precision of the projectile device, and increases the safety reliability of the unmanned boat recovery stage and the success rate of the unmanned boat recovery.
Owner:SHANGHAI UNIV
Exoskeleton assistance and lower limb rehabilitation integrated robot
PendingCN114305989AAchieve regulationImprove applicabilityChiropractic devicesWalking aidsExoskeleton robotEngineering
The invention provides an exoskeleton assistance and lower limb rehabilitation integrated robot which comprises a supporting frame and an exoskeleton robot body, the exoskeleton robot body comprises a crotch, thighs, shanks and feet which are rotationally connected in sequence, and driving parts are arranged at the joints of any crotch and the thighs, the joints of the thighs and the shanks and the joints of the shanks and the feet; the supporting frame comprises a base, a supporting frame body and a mounting frame which are detachably connected in sequence, the limiting assembly is arranged on the mounting frame, and the crotch part is connected with the mounting frame through the limiting assembly. The exoskeleton robot is detachably installed on the supporting frame through the limiting assembly composed of the two limiting blocks installed on the installation rod, and the spatial position of the exoskeleton robot on the supporting frame can be adjusted by adjusting the position of the supporting frame body on the base and the position of the installation frame on the supporting frame body; the exoskeleton robot can adapt to lower limb rehabilitation treatment of different users, and the exoskeleton robot can be independently used to assist walking of the users.
Owner:钛虎机器人科技(上海)有限公司
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