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64results about How to "Meet different functional requirements" patented technology

Vortex-induced vibration test device for stand pipe under bidirectional shear flow and bidirectional ladder shear flow

ActiveCN102109405ARealize vortex induced vibration testImprove accuracyHydrodynamic testingVibration testingComputer moduleEngineering
The invention relates to a vortex-induced vibration test device for a stand pipe under the bidirectional shear flow and the bidirectional ladder shear flow, and belongs to the technical field of marine engineering. The vortex-induced vibration test device comprises a stand pipe model mechanism, a measurement and analysis system platform module, a drive module, a top cantilever module, a cylinder shaft segmentation module and a bottom supporting module, wherein the fixed end of the stand pipe model mechanism is suspended and fixed below the top cantilever module; the cylinder shaft segmentation module is perpendicularly placed in a marine engineering deep pool and is respectively and perpendicularly connected with the bottom supporting module, the drive module and the top cantilever module; the bottom supporting module is fixedly arranged on the lifting bottom of the marine engineering deep pool; the drive module is respectively connected with the cylinder shaft segmentation module and the top cantilever module and is used for outputting power; the left end and the right end of the top cantilever module are respectively connected with the cylinder shaft segmentation module; and the measurement and analysis system platform module is respectively connected with the stand pipe model, the top cantilever module and the bottom cantilever module. The vortex-induced vibration test device is convenient to install, update and change, and meets different functional requirements.
Owner:SHANGHAI JIAO TONG UNIV

Device for testing vortex-excited oscillation and rotation of vertical riser pipe under uniform flow and stepped uniform flow

ActiveCN102053001ARealize vortex induced vibration testImprove accuracyVibration testingRotation testEngineering
The invention relates to a device for testing vortex-excited oscillation and rotation of a vertical riser pipe under a uniform flow and a stepped uniform flow, belonging to the technical field of ocean engineering. The device comprises a riser pipe model mechanism, a measurement and analysis system platform module, a driving module, a top cantilever module, a bottom cantilever module, a cylindrical shaft segmentation module and a bottom support module, wherein the riser pipe model mechanism is fixedly arranged between the bottom cantilever module and the top cantilever module; the cylindricalshaft segmentation module is perpendicularly arranged in a deep ocean engineering pool and is respectively and perpendicularly connected with the bottom support module, the driving module and the topcantilever module; the bottom support module is fixedly arranged on a lifting bottom; the driving module is respectively connected with the cylindrical shaft segmentation module and the top cantilever module; the left end and the right end of the top cantilever module are respectively connected with the cylindrical shaft segmentation module; and the measurement and analysis system platform moduleis respectively connected with a riser pipe model, the top cantilever module and the bottom cantilever module. By using the invention, the uniform or stepped flow field of a riser pipe with an actualsize can be simulated.
Owner:SHANGHAI JIAO TONG UNIV

Rotary testing device for vortex-induced vibration for oblique riser under shear current

ActiveCN102053000ARealize vortex induced vibration testImprove accuracyVibration testingRotation testEngineering
The invention relates to a rotary testing device for vortex-induced vibration for an oblique riser under shear current, belonging to the technical field of ocean engineering. The rotary testing device comprises a riser model mechanism, a measurement and analysis system platform module, a driving module, a top cantilever module, a cylinder shaft segmentation module, a bottom riser fixing module and a bottom supporting module, wherein the riser model mechanism is fixedly arranged between the top cantilever module and the bottom riser fixing module; the cylinder shaft segmentation module is vertically arranged in an ocean engineering deepwater basin and respectively connected with the bottom supporting module, the driving module, the top cantilever module and the bottom riser fixing module; the bottom supporting module is fixedly arranged on a lifting bottom; the driving module is connected with the cylinder shaft segmentation module and outputs power; both ends of the top cantilever module are connected with the driving module or the cylinder shaft segmentation module and the cylinder shaft segmentation module; and the measurement and analysis system platform module is connected with the riser model mechanism, the top cantilever module and the bottom riser fixing module. The invention can simulate risers of actual sizes and shear current fields.
Owner:SHANGHAI JIAO TONG UNIV

Uniform flow and step flow down the top movable vertical standpipe vortex-induced vibration rotating device

ActiveCN102288376ARealize vortex induced vibration testImprove accuracyVibration testingEngineeringCantilever
The invention provides a top-movable vortex-induced vibration rotating device for a vertically-arranged vertical pipe under uniform flow and step flow in the technical field of ocean engineering. The device comprises a vertical pipe model mechanism, a measurement and analysis system platform module, a driving module, a top cantilever module, a bottom cantilever module, a cylinder shaft segmentation module, a bottom support module and a vibration module, wherein the vertical pipe model mechanism is fixedly arranged between the vibration module and the bottom cantilever module; the vibration module is fixed on the top cantilever module; the cylinder shaft segmentation module is vertically arranged in an ocean engineering deep pool and is vertically connected with the bottom support module, the driving module and the top cantilever module respectively; the bottom support module is fixedly arranged on a lifting base; the driving module is connected with the cylinder shaft segmentation module and the top cantilever module respectively; and the left and right ends of the top cantilever module are connected with the cylinder shaft segmentation module. The device can simulate the verticalpipe of an actual size, a uniform or step flow field, and the motion of a platform on the top of the vertical pipe.
Owner:SHANGHAI JIAO TONG UNIV

Multifunctional air fryer

The embodiment of the invention provides a multifunctional air fryer which comprises the components of a lower fryer body which is internally provided with a lower heat radiation heating assembly; anupper pot body, a hot air convection assembly is arranged in the upper pot body, the upper pot body can be covered with or separated from the lower pot body, an air frying cavity can be formed when the upper pot body is covered with the lower pot body, and the lower heat radiation heating assembly is matched with the hot air convection assembly to conduct air frying on food materials in the air frying cavity; when the upper pot body is separated from the lower pot body, the upper pot body can avoid the upper part of the lower pot body, so that a cooking cavity with an upward opening is formedin the lower pot body; a cooking utensil; the cooking utensil can be arranged in the air frying cavity or the cooking cavity and used for containing food materials to be cooked. Compared with the prior art, the multifunctional air fryer disclosed by the embodiment of the invention can realize multiple functions of frying, frying, baking, braising, steaming and the like, is multipurpose, convenientto use and high in cost performance, reduces the kitchen space occupancy rate, increases food cooking modes, and meets different functional requirements of users of all ages.
Owner:GUANGDONG XINBAO ELECTRICAL APPLIANCES HLDG CO LTD

Rotating testing device for vortex-induced vibration of movable inclined riser at lower top of shear flow

InactiveCN102410919ARealize vortex induced vibration testImprove accuracyVibration testingRotation testEngineering
The invention provides a rotating testing device for the vortex-induced vibration of a movable inclined riser at the lower top of a shear flow. The device comprises a riser model mechanism, a measurement and analysis system platform module, a driving module, a top cantilever module, a cylindrical shaft segmentation module, a bottom riser fixing module, a bottom supporting module and an oscillating module, wherein the riser model mechanism is fixedly arranged between the oscillating module and the bottom riser fixing module, the oscillating module is fixedly arranged on the top cantilever module, the cylindrical shaft segmentation module is connected with the bottom supporting module, the driving module, the top cantilever module and the bottom riser fixing module, the bottom supporting module is fixedly arranged on a lifting seat, the driving module is connected with the cylindrical shaft segmentation module and outputs power, the two ends of the top cantilever module are connected with the driving module or the cylindrical shaft segmentation module, and the measurement and analysis system platform module is connected with a riser model, the top cantilever module, the oscillating module and the bottom riser fixing module. The rotating testing device for the vortex-induced vibration of the movable inclined riser at the lower top of the shear flow can simulate a riser with actual size, a shear flow field and top platform movement.
Owner:SHANGHAI JIAO TONG UNIV +1

Carbon-containing polypropylene filament tow for cigarette and preparation method thereof

The invention discloses a carbon-containing polypropylene filament tow for a cigarette and a preparation method thereof. The carbon-containing polypropylene filament tow for a cigarette is prepared by uniformly blending polypropylene slices and activated carbon functional master batches and carrying out melt spinning of the mixture. Concretely, the preparation method comprises the following steps of uniformly blending activated carbon functional master batches having carbon content of 10 to 40%, cooling master batches and modified master batches, blending the mixed master batches and polypropylene slices with control of a ratio of the master batches to the polypropylene slices as main materials in an auto-weighing way, carrying out melt spinning by a screw extruder, and orderly carrying out oiling, drafting, water washing, curling and drying to obtain the carbon-containing polypropylene filament tow for a cigarette, wherein particle sizes of activated carbon of the activated carbon functional master batches are in a range of 0.3 to 2.0 microns; aperture sizes are in a range of 0.5 to 3 nanometers; and a specific surface area is in a range of 600 to 1500 m<2>/g. The carbon-containing polypropylene filament tow for a cigarette can be spun directly by one-step method-based equipment for spinning a polypropylene filament tow for a cigarette, has strong operability, contains uniformly distributed activated carbon, reduces falling of activated carbon, allows carbon content adjustment, and has a low production cost and all indexes satisfying industry requirements and national standards.
Owner:JIANGSU DAYA CIGARETTE FILTER MATERIAL CO LTD

Automotive trim door plate multifunctional composite testing fixture and using method thereof

The invention discloses an automotive trim door plate multifunctional composite testing fixture and a using method thereof. The invention belongs to the technical field of detection, the problem thatin the prior art, the three-dimensional full-size front and back face detection function of an automotive trim injection molding door plate body and a door plate assembly cannot be achieved is solved.The automotive trim door plate multifunctional composite testing fixture is characterized in that a door plate iron door sheet metal profiling block, a positioning locking mechanism, a door plate substrate main positioning block, a Y-direction limiting mechanism and a Z-direction limiting mechanism are arranged in front of the detection tool bottom plate; a door plate assembly back profiling block, a back positioning and pressing elastic sheet, a door plate assembly back handle profiling block and a door plate base plate back positioning block are arranged behind the checking fixture bottom plate; beneficial effects are as follows, only one set of detection tool needs to be developed; through disassembly, assembly and switching of different mechanisms, a three-coordinate full-size front and back full-size detection function of the injection molding door plate body and the door plate assembly and an imitation vehicle door metal plate matching gap measurement function are realized, thedevelopment cost of the detection tool is reduced, rapid installation and rapid disassembly are realized, and the detection accuracy and the high efficiency of the detection process are improved.
Owner:SHENYANG JINBEI YANFENG AUTOMOTIVE INTERIOR SYST CO LTD

Elongated stand pipe power response measurement device under shearing flow

The invention discloses an elongated stand pipe power response measurement device under shearing flow. The device comprises a deep sea stand pipe module, a top part boundary module, a bottom part boundary module, a fixing module, a top part slide module, a bottom part fixing module and a measurement, analysis and control module. The two ends of the deep sea stand pipe module are respectively connected with the top part boundary module and the bottom part boundary module. The fixing module is connected with the top part boundary module and the top part slide module. The top part slide module is connected with the fixed end of the bottom part of a trailer. The bottom part fixing module is connected with the bottom part boundary module and a pool small false bottom. The deep sea stand pipe module and the fixing module, the top part slide module and the bottom part fixing module are respectively arranged in the same plane. The measurement, analysis and control module is respectively connected with the deep sea stand pipe module, the top part boundary module, the bottom part boundary module, the fixing module, the top part slide module and the bottom part fixing module. The device aims at analyzing the overall vortex-induced vibration response characteristic of the elongated flexible stand pipe under the effect of shearing flow.
Owner:SHANGHAI JIAO TONG UNIV

Portable electronic calculation device

The invention provides a portable electronic calculation device. The portable electronic calculation device comprises a core module and screen modules of different sizes. The core module comprises FLASH, a CPU, an RAM and standard interfaces, wherein the FLASH, the CPU, the RAM and the standard interfaces are electrically connected through a circuit board. The screen modules comprise display screens and standard connectors, and the standard connectors and the standard interfaces are connected in a coupling and detachable mode. The portable electronic calculation device has the advantages that the screen modules of different sizes are arranged, and therefore different functional requirements of a user can be met, for example, the portable electronic calculation device is applied to mobile phone communication, tablet computer display or entertainment, PC office work, television watching or connection with a projector to realize more functions. Compared with the existing mode that multiple devices are used together, the portable electronic calculation device can effectively reduce the number of devices for use and lower the cost. More importantly, an operation system, software, files and the like of the user can be completely stored in the core module.
Owner:成都壹橙科技有限公司

ECMO multifunctional transfer support system

PendingCN114569383AReduce size and weightImprove treatment efficiency and feasibilityPackage recyclingDialysis systemsProcess engineeringMaterial resources
The invention discloses an ECMO multifunctional transfer support system to solve the problems that in the prior art, due to the fact that a traditional ECMO device system is large in size, transfer is difficult, the time for a patient to wait for treatment is long, and consumable items needed during rescue are sorted complexly. The device comprises a portable transfer support module, a movable base support module and an accessory module. The portable transfer support module is detachably fixed to the upper portion of the movable base support module. The accessory module comprises a net bag hanging bag and an operation table top and is embedded into the portable transfer support module and the movable base support module. A traditional ECMO support is miniaturized and portable, special requirements of equipment transportation and the like are met, manpower, material resources and waiting time of a patient are saved, and the treatment efficiency is improved; the host and the water tank are made into different brackets, and accessories such as an oxygen bottle and a power supply are embedded and are modularly combined; and required consumables are placed in the net bag hanging bag and the operation platform, so that the consumables are convenient to find, the treatment time is saved, and the working efficiency is improved.
Owner:胡硕

Composite acid fracturing construction pipe column and application method

The invention provides a composite acid fracturing construction pipe column and an application method, and belongs to the technical field of underground fracturing operation technologies. The composite acid fracturing construction pipe column comprises at least one spray gun with a sliding sleeve, a slotted pipe and a hollow guide head, the spray guns with the sliding sleeves are connected in sequence, the lower end of the last spray gun with the sliding sleeve is connected with the upper end of the slotted pipe, and the lower end of the slotted pipe is connected with the hollow guide head. Bymeans of the method, subsection reconstruction of different construction modes such as large-scale acid fracturing, fixed-point jet perforation, jet fracturing and the like is sequentially completedon a long open hole section by one pipe column, the layering and subsection reconstruction effects of clastic rock in an oil field are improved, the swept volume and complexity of the reconstructed fracture of a clastic rock reservoir are improved, and the fracturing yield increasing effect is improved. Mechanical packing is not needed, the pipe column structure is simple, the tool reliability andsafety are high, the pipe column meets different functional requirements, the construction continuity is good, the construction time is saved, the construction cost is reduced, and the oil field development effect is improved.
Owner:CHINA PETROLEUM & CHEM CORP +1

Top-movable vortex-induced vibration rotating device for vertically-arranged vertical pipe under uniform flow and step flow

ActiveCN102288376BRealize vortex induced vibration testImprove accuracyVibration testingEngineeringCantilever
The invention provides a top-movable vortex-induced vibration rotating device for a vertically-arranged vertical pipe under uniform flow and step flow in the technical field of ocean engineering. The device comprises a vertical pipe model mechanism, a measurement and analysis system platform module, a driving module, a top cantilever module, a bottom cantilever module, a cylinder shaft segmentation module, a bottom support module and a vibration module, wherein the vertical pipe model mechanism is fixedly arranged between the vibration module and the bottom cantilever module; the vibration module is fixed on the top cantilever module; the cylinder shaft segmentation module is vertically arranged in an ocean engineering deep pool and is vertically connected with the bottom support module, the driving module and the top cantilever module respectively; the bottom support module is fixedly arranged on a lifting base; the driving module is connected with the cylinder shaft segmentation module and the top cantilever module respectively; and the left and right ends of the top cantilever module are connected with the cylinder shaft segmentation module. The device can simulate the verticalpipe of an actual size, a uniform or step flow field, and the motion of a platform on the top of the vertical pipe.
Owner:SHANGHAI JIAO TONG UNIV

Mini compact foldable skiing equipment

The invention discloses mini compact foldable skiing equipment. The mini compact foldable skiing equipment comprises a driving mechanism and a control mechanism; the driving mechanism comprises a main frame, a caterpillar band installed at the bottom of the main frame and a caterpillar band propeller arranged in the main frame; the caterpillar band propeller is connected with the caterpillar band and used for driving the caterpillar band to rotate; the control mechanism comprises two control rods, a connecting rod and control handles; and the corresponding ends of the two control rods are connected to hinge points connecting components on the two sides of the main frame in the advancing direction through connecting components at the ends of the control rods, limiters limit the control rods to rotate within the rotating range not exceeding 180 degrees by taking the hinge points connecting components as the centers, the other ends of the control rods are connected through the connecting rod, the portions, located on the outer side of the connecting rod, of the control rods are provided with the control handles, and the control handles are used for controlling starting and stopping of the caterpillar band propeller and the advancing speed of the caterpillar band. According to the mini compact foldable skiing equipment, a skier can enjoy the rapid feeling and the pleasant sensation brought by skiing as long as snow exists.
Owner:哈工程先进技术研究院(招远)有限公司

Modular composite robot

ActiveCN113479273AAdd balance control functionEnsure balanceVehiclesPhysical medicine and rehabilitationRobot hand
The invention discloses a modular composite robot which comprises an operation arm module, a caudal vertebra structure and a double-foot module capable of walking independently, the operation arm module comprises two mechanical arms and a spliced machine body, and the caudal vertebra structure comprises a plurality of bone type structures, a steel rope set, a plurality of connecting joints, a motor set and a manipulator. The connecting structures are arranged at the two ends of the caudal vertebra structure, can be connected with a mechanical arm to achieve the grabbing function and can serve as the caudal vertebra structure to increase additional balance control for the robot, and therefore the robot can flexibly and reliably work in various complex environments. According to the robot, the foot end suite and the wheel type component are integrated, free switching between a foot type motion state and a wheel type motion state is achieved, the motor is arranged on the robot body and is driven through the connecting rod system, the inertia of the foot end is reduced, the motion speed is increased, and energy consumption is reduced; according to the robot, composite robots with different working modes can be formed through mutual combination of all the modules, so that different functional requirements are met.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Soft body driving joint

The invention discloses a soft body driving joint. The soft body driving joint comprises a plurality of circumferential soft body drivers, a bearing platform and a moving platform, the bearing platform and the moving platform are oppositely arranged in the axial direction at intervals, the circumferential soft body drivers are obliquely arranged between the bearing platform and the moving platform in the circumferential direction, the circumferential soft body drivers can stretch and contract under the action of fluid pressure, and the circumferential soft body drivers are used for applying axial acting force and circumferential acting force to the moving platform, so that the part, connected with the circumferential soft body driver, of the moving platform is driven to be at a preset position. The soft drivers are arranged in an inclined mode, axial acting force and circumferential acting force can be applied to the moving platform at the same time, and the whole joint can execute or output multi-degree-of-freedom motion and composite motion by selectively setting the configuration number, the arrangement mode, the deformation quantity and the like of the soft drivers; and a series of actions such as stretching, rotation, swinging and translation and the combination of motions are realized, so that the interactivity of the whole joint is enhanced, and different functional requirements can be met.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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