Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

109 results about "Rapid expansion" patented technology

Rapid hemostasis device for cranial cavity

The invention discloses a cranial cavity rapid hemostasis instrument which comprises a sleeve, a conductive expansion and contraction piece and a push-pull rod connected with the conductive expansion and contraction piece, a through penetrating hole is formed in the sleeve, the push-pull rod can drive the conductive expansion and contraction piece to move in the penetrating hole, and the conductive expansion and contraction piece is electrically connected with an external power source through the push-pull rod. The conductive expansion and contraction piece is of a net-shaped structure, the conductive expansion and contraction piece can be contracted into a strip shape in the penetrating hole, the conductive expansion and contraction piece can be expanded into a sphere-like shape outside the penetrating hole, the conductive expansion and contraction piece comprises a plurality of first silk threads and a plurality of second silk threads, and the extending directions of the first silk threads and the second silk threads are arranged in a staggered mode. The first silk threads and the second silk threads are made of flexible conductive materials. According to the invention, medium injection is not needed, the expansion speed is high, the hemostasis efficiency is high, and the pressure distribution is uniform.
Owner:THE FIFTH AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV

Heterogeneous material brazed joint and preparation method thereof

The invention relates to the technical field of brazing, in particular to a heterogeneous material brazing joint and a preparation method thereof. The preparation method comprises the following steps that S1, a porous metal net is placed on the surface of a to-be-welded steel substrate for diffusion welding, and the steel substrate with the surface configuration is obtained; and S2, the configuration face of the steel base body serves as a face to be welded, the steel base body with the surface configuration is assembled with brazing filler metal and a titanium base body to be welded, and then vacuum brazing is conducted. According to the method, the porous metal net is welded to the surface of the steel substrate to be welded through diffusion welding, a periodic heterogeneous microstructure surface is formed on the steel substrate, a discontinuous mismatched and multi-phase alternating interface structure is constructed in a customized mode, a continuous stress line of a connector can be cut off, rapid initiation and rapid expansion of cracks are restrained, and strengthening and toughening brazing connection of titanium and steel can be achieved.
Owner:HENAN AGRICULTURAL UNIVERSITY

Expanding Rapid Expansion Fire Stop for Wall Openings

PendingUS20250269212A1PipesFire rescueFirestopSmoke Emission
A device that is an improved rapid expansion fire stop and system for wall openings. The fire stop is made of a backer rod comprised of a durable foam material in a pre-determined size and cross-sectional configuration, the backer rod has a slot that accepts an intumescent strip with expansion characteristics of expanding up to thirty-three (33) times its size and volume when exposed to high heat or flame. The firestop is placed into the wall opening or crack of the wall system and then the wall system is completed with an architectural sealant across the remaining crack. The improved expanding rapid expansion fire stop serves to prevent fire, smoke and heat by expanding and fully sealing the wall opening and crack from any intrusion or passage of the heat, smoke or flame through the opening.
Owner:MARSCHINKE ADAM S

Clinical ascites drainage equipment

The invention belongs to the technical field of puncture drainage, and discloses clinical ascites drainage equipment which comprises a drainage tube, the drainage tube is movably sleeved with an anti-seepage tube, the anti-seepage tube is provided with an integrally-formed anti-seepage assembly, one end of the anti-seepage tube is integrally formed with a connecting tube, the connecting tube obliquely extends to the side face of the drainage tube, and the connecting tube is connected with the anti-seepage assembly. The two ends of the anti-seepage tube are hermetically connected to the outer surface of the drainage tube in a sleeving manner, and the other end of the connecting tube is connected with an adjustable balloon; the anti-seepage assembly comprises a first plug, a second plug and a communicating pipe which are integrally formed on the anti-seepage pipe. Due to the arrangement of the anti-seepage assembly, under the limitation of the communicating pipe, the effect that the two ends are rapidly expanded and the middle part is gradually and slowly expanded can be achieved through the first bag cover, the second bag cover and the limiting ring, so that after air is injected, the purpose that the first plug and the second plug are tightly attached to the inner side and the outer side of a puncture opening can be achieved; therefore, the effect of preventing leakage is achieved.
Owner:HANGZHOU RED CROSS HOSPITAL (ZHEJIANG INTEGRATED TRADITIONAL CHINESE & WESTERN MEDICINE HOSPITAL ZHEJIANG UNIVERSITY OF TRADITIONAL CHINESE & WESTERN MEDICINE)

Press-fit equipment and press-fit method for multi-layer board manufacturing

The invention relates to the field of multilayer board manufacturing, in particular to a laminating device for multilayer board manufacturing and a laminating method.The laminating device comprises a fixed bottom frame, a fixed top plate is arranged above the fixed bottom frame, a mounting column is arranged at the bottom end of the fixed bottom frame, and an assembly column is fixedly arranged at the top end of the fixed top plate; a liftable press-fit assembly is arranged between the fixed bottom frame and the fixed top plate, and a moving assembly for taking and placing a multi-layer plate is arranged in the middle of the top end of the fixed top plate. New equipment units can be added at any time according to production requirements, so that rapid expansion and adjustment of a production line are achieved, meanwhile, the problems of uneven pressure, bubble residues, poor curing and the like in a traditional pressing process are solved, it is ensured that each multi-layer board can reach an ideal state, automatic taking and placing of the multi-layer boards are achieved, and the production efficiency is improved. Manual intervention is reduced, and production efficiency and safety are improved.
Owner:JIANGSU BENBENMAO NEW MATERIAL CO LTD

A valve housing welding operation device

The present invention relates to the technical field of welding manipulators, and discloses a valve housing welding operation device, including a workbench. A numerical control slide rail is fixedly connected to the top of the workbench, and a supporting part is fixedly connected to the bottom of the workbench. A lifting platform is slidably connected inside the numerical control slide rail. Through the setting of the loosening protection device, when the lifting platform falls out of control due to a failure, the piston block accelerates and vertically displaces downward, pushing the water flow inside the plunger pump to flow out from the output end of the plunger pump through the one-way export check valve. The water flow inside the water storage tank is introduced into the inside of the plunger pump through the one-way import check valve. The water flow flowing out of the one-way export check valve flows through the water injection hose and finally flows into the laminated water bed. Through the rapid expansion of the laminated water bed, a buffer zone with a buffering effect is quickly and automatically built, providing the greatest life protection for the operator, avoiding casualties of the operator caused by a rapid fall, and providing a stable and safe operation environment for the operator.
Owner:SUZHOU SUNCO VALVE CO LTD

Anti-toppling industrial robot

PendingCN122323285ARobotic armGear wheel
This invention relates to the field of industrial robot technology, and in particular to an anti-tipping industrial robot. The anti-tipping industrial robot includes a robot body with support plates fixedly connected to the bottom ends on both sides. A connecting seat is fixedly connected to the center of the top of the robot body. The body contains a dynamic center of gravity adjustment mechanism composed of a drive gear, a driven gear, a swing arm, and a load-bearing block, which can adjust the center of gravity position in real time according to the working posture to counteract the tipping torque. The bottom is equipped with a hydraulically driven support plate and rubber pads, combined with an expandable gravity block auxiliary support structure. This allows for rapid expansion of the support range and improved grounding stability under heavy loads, off-center loads, and large-range extension of the robotic arm. It effectively solves the problems of insufficient anti-tipping capacity, delayed response, and easy instability in complex working conditions caused by traditional robots relying solely on passive support. The overall structure is stable and reliable, significantly improving the operational safety and applicability of industrial robots.
Owner:DONGGUAN DIYER METAL MFG CO LTD

Extensible distribution box with intelligent monitoring function

The invention provides an extensible power distribution box with intelligent monitoring, and relates to the technical field of power distribution boxes, the extensible power distribution box comprises a main body assembly, the main body assembly comprises a cabinet body and slide rails, the bottom surface of the cabinet body is symmetrically in threaded connection with the slide rails, and the bottom surface of the cabinet body is in sliding connection with an extension assembly through the slide rails. The upper end and the lower end of the two sides of the expansion assembly are mutually symmetrical and connected with the two sides of the interior of the cabinet body through drawing sliding rails, and the upper end and the lower end of the expansion assembly are connected with the upper end and the lower end of the interior of the cabinet body through connecting locking mechanisms. By the adoption of the drawing type expansion structure, the box does not need to be disassembled, drawing and locking of the expansion assembly can be completed by a single person within three minutes, and the requirement for on-site rapid expansion is met. The temperature, humidity, current, voltage and smoke parameters are comprehensively monitored through the multi-parameter sensing assembly, the data acquisition frequency can reach one time per second, the detection box and the triple damping structure are sealed, and the influence of moisture, electromagnetic interference and vibration is effectively resisted.
Owner:HUIZHOU COYANTONG ELECTRICAL TECHNOLOGY CO LTD

Tear-resistant diaphragm for electrochemical device as well as preparation method and application of tear-resistant diaphragm

The invention discloses a tear-resistant diaphragm for an electrochemical device, which is characterized in that long-range molecular chain entanglement of a polyolefin film is regulated and controlled by blending long-branch-chain component polyethylene and short-branch-chain high-molecular-weight high-density polyethylene and controlling the overall viscosity-average molecular weight, and after heat treatment and secondary directional stretching forming, the tear-resistant diaphragm is prepared. It is found that the puncture resistance in the direction perpendicular to the surface of the film is excellent, the tear resistance of the film breadth is also synchronously improved, and cracks and rapid tearing caused by increase of the production speed and increase of the tension of rim charges can be avoided; the diaphragm provided by the invention can better cope with the generation and rapid expansion of cracks caused by external impact, sharp object impact and tension fluctuation.
Owner:SINOMA LITHIUM BATTERY SEPARATOR CO LTD

Asynchronous die cutting equipment and method for coiled materials

The invention relates to the technical field of coiled material conveying, in particular to coiled material asynchronous die cutting equipment which comprises a cross asynchronous die cutting machine and an intelligent suspension conveying system used for automatically taking and placing coiled materials, a fixing frame is fixedly connected to the cross asynchronous die cutting machine, and the intelligent suspension conveying system is arranged above the fixing frame. An adjusting mechanism for adjusting the position of the convex plate is also arranged; the invention further relates to a using method of the asynchronous die cutting equipment for the coiled materials, through the arrangement of the convex plate, the mounting plate, the adjusting mechanism and other structures, the auxiliary tensioning shaft for fixing the coiled materials can be rapidly combined beside the main tensioning shaft, so that rapid expansion operation of the device is achieved, the production capacity of a single main material is reserved, and the production efficiency of the device is improved on the premise that the whole machine is not replaced. The system can be quickly expanded into double-main-material (even multi-main-material) staggered jump pasting, and achieves multiple purposes and plug and play, thereby reducing the equipment investment, shortening the line changing time and improving the order response flexibility.
Owner:SUZHOU TIANLIDA ADHESIVE PROD CO LTD

An energy-saving and wind-proof fixed-wing UAV

The present invention discloses an energy-saving and wind-proof fixed-wing unmanned aerial vehicle, which includes a fuselage, a wind-gathering component, first to fourth positioning components, a first wing and a second wing. In the present invention, extension wing plates are arranged in the first and second wing mechanisms, folding wing plates are arranged in the extension wing plates, and the extension wing plates are triggered by the wind-gathering component, so that the wind force in the external environment during the flight of the unmanned aerial vehicle can be well monitored. At the same time, when the environmental wind force is relatively large, the automatic and rapid expansion of the extension wing plates is triggered, so that the effective area of the wing mechanism can be effectively increased. The expanded wing area can effectively improve the lifting force of the unmanned aerial vehicle, and at the same time can improve the flight stability of the unmanned aerial vehicle, thus achieving a good wind-resistant effect and avoiding the situation of the unmanned aerial vehicle getting out of control, and the application effect is good.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Nuclear power large-scale flange face in-situ multi-process combined machining and repairing equipment and method

The invention belongs to the technical field of nuclear power station large flange face in-situ machining and repairing, aims to solve the problems that in the equipment field installation stage, many workers are needed for manual field installation and adjustment, and efficiency is low, and discloses nuclear power large flange face in-situ multi-procedure combined machining and repairing equipment. Comprising electric rapid expansion mechanisms, a turning arm beam module, a base, a milling arm beam module and a main machine rotating mechanism, the electric rapid expansion mechanisms are evenly arranged on the peripheral side of the base, the main machine rotating mechanism is installed on the upper end face of the base, and the turning arm beam module and the milling arm beam module are symmetrically fixed to the main machine rotating mechanism; the whole body is arranged in a parallel state. The in-situ machining and repairing equipment for the nuclear power large flange face can be rapidly installed and adjusted on the flange face, personnel participation is reduced, and the labor intensity and the irradiation dose of personnel are reduced.
Owner:CHINA NUCLEAR POWER OPERATION TECH CORP

A high-frequency crushing hydraulic control system and its control method

The present invention discloses a high-frequency crushing hydraulic control system and its control method. The control system is connected to the first chamber and the second chamber of the crushing cylinder. The first chamber is connected to a high-pressure pump source through a high-pressure pipeline, and the first chamber is connected to a low-pressure large-flow control module through a first pipeline. The low-pressure large-flow control module is connected to a low-pressure pump source, and the low-pressure large-flow control module is connected to the second chamber through a second pipeline. A hydraulic lock is arranged between the first pipeline and the second pipeline. The high-pressure pipeline is connected to a high-pressure pressure detection unit, the first pipeline is connected to a first pressure detection unit, and the second pipeline is connected to a flowmeter. The controller controls the low-pressure large-flow control module and the high-pressure pump source according to the feedback signal, and switches between high pressure and low pressure during the rapid expansion and contraction of the crushing cylinder and the high-pressure crushing process. The present invention occupies a small space, can not only improve the crushing efficiency, reduce the cylinder specification, but also improve the service life of the pipeline and reduce the equipment failure rate.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD +1

Anti-loosening rapid expansion countersunk bolt

ActiveCN223806418UDowelsWasherScrew thread
The utility model discloses an anti-loosening quick expansion countersunk bolt, and particularly relates to the technical field of expansion countersunk bolts, the anti-loosening quick expansion countersunk bolt comprises a countersunk bolt, an expansion sleeve is sleeved on the outer side of the countersunk bolt, and an anti-loosening mechanism is arranged between the countersunk bolt and the expansion sleeve; the anti-loosening mechanism comprises a fixing nut, the fixing nut is connected to the outer side of the countersunk bolt in a threaded mode, a wear-resisting gasket is installed at the top of the expansion sleeve, and a flat gasket is arranged at the top of the wear-resisting gasket. By arranging the anti-loosening mechanism, the anti-loosening capacity after preliminary fastening is improved from multiple aspects, and when the fixing nut tends to loosen and rotate due to external force such as vibration, the reacting force generated by deformation of the second elastic washer can further prevent the fixing nut from loosing and rotating; meanwhile, the anti-loosening effect is remarkably enhanced through stress between the thread bushing and double threads of the fixing nut and the countersunk bolt, and it is ensured that the bolt can be kept in a fastened state in the complex vibration environment.
Owner:JIANGSU HAIDUN ENG TECH CO LTD

NK cell rapid amplification method not limited by cell inoculation concentration

The invention provides an NK (Natural Killer) cell rapid amplification method not limited by cell inoculation concentration, which belongs to the technical field of cell culture and comprises the following steps: resuspending cord blood source mononuclear cells by using an activation culture medium, supplementing the activation culture medium for culture, and then supplementing a proliferation culture medium for continuous culture until amplification is finished; the activation culture medium is prepared by adding IL-15 and IL-12 into a proliferation culture medium; the proliferation culture medium is prepared by adding IL-2 (Interleukin-2), exosome, umbilical cord Wharton's jelly, nicotinamide adenine dinucleotide and human AB serum 100-512 into a GT.T551 H3 culture medium. According to the technical scheme provided by the invention, the purposes that the initial concentration of the NK cells does not need to be specially controlled, the operation is simple, and the amplification speed is high are achieved.
Owner:SICHUAN XIANGXUE CELL BIOTECHNOLOGY CO LTD

Cooling device for polyurethane production

The invention relates to the technical field of cooling, in particular to a cooling device for polyurethane production, which comprises a reaction tank and a cooling assembly, the reaction tank comprises a tank body and a cooling jacket, an extraction opening is formed in the top of the tank body, and a discharging opening is formed in the center of the bottom; the cooling assembly comprises an air pump, a circulating pump, a buffer tank, a compressor, a compression tank and a refrigerator; the refrigerator comprises a first cooling inlet, a first cooling outlet, a second cooling inlet and a second cooling outlet; the extraction opening, the air pump, the buffer tank, the first cooling inlet, the first cooling outlet, the compressor, the compression tank and the discharging opening are communicated to form inner cooling circulation; the second cooling inlet, the second cooling outlet, the circulating pump and the cooling sleeve are communicated to form external cooling circulation; internal cooling circulation and external cooling circulation are arranged, internal and external synchronous cooling can be achieved, especially internal cooling circulation is achieved, compressed nitrogen enters the tank body from the center of the bottom of the tank body through expansion of the compressed nitrogen, the compressed gas is rapidly expanded to absorb heat, the contact area is increased, and meanwhile rapid cooling is achieved.
Owner:FUJIAN ENTENG NEW MATERIAL DEV CO LTD

Manual expansion sleeve clamp

The utility model provides a manual expansion sleeve clamp which comprises a sleeve, an expansion sleeve head is installed on the side, away from a clamp connecting plate, in the sleeve through an inner hexagonal countersunk head screw, and the end, close to the clamp connecting plate, of the sleeve is rotationally connected with an eccentric shaft. The end, located on the outer side of the sleeve, of the eccentric shaft is provided with an operation handle capable of adjusting the position through a connecting piece, the end, located in the sleeve, of the eccentric shaft is rotationally connected with a connecting rod, the end, away from the eccentric shaft, of the connecting rod is in threaded connection with a cross universal joint, and the other end of the cross universal joint is in threaded connection with a clamping jaw guide rod. The end, located in the cavity, of the clamping jaw guide rod is provided with a reset piece, the end, close to the cross universal joint, of the clamping jaw guide rod is rotationally connected with a plurality of sawtooth clamping jaws which are annularly arranged at equal intervals, and the device has the following beneficial effects that a power source and an air source are not needed for driving, and low-cost portable manual rapid expansion of the rolled film neck bush is achieved.
Owner:SHANGHAI HANDE AUTOMATION TECH CO LTD

Wafer adsorption disc

The utility model relates to the technical field of adsorption discs, and discloses a wafer adsorption disc, which comprises a base and a mounting plate, a connecting seat is fixedly connected onto the mounting plate, a main adsorption disc body is fixedly connected onto the connecting seat, a first motor is fixedly mounted in the connecting seat, an output end of the first motor is fixedly connected with a rotating disc, and the rotating disc is fixedly connected with a second motor. The connecting rod is fixedly connected with an auxiliary suction disc body, the mounting plate is fixedly provided with a vacuum generator, the flow guide block is fixedly connected with an air guide pipe, the bottom of the main suction disc body is provided with a main suction cup, and the bottom of the auxiliary suction disc body is provided with an auxiliary suction cup. According to the utility model, during use, the first motor is started to drive the rotating disc to rotate, and rapid expansion and contraction of the six groups of auxiliary adsorption disc bodies are realized through cooperation of the sliding grooves and the sliding rods, so that the adsorption area is flexibly adjusted according to the actual size of a wafer, the universality and adaptability of equipment are greatly improved, and the production cost and the maintenance difficulty are reduced.
Owner:SUZHOU ASEN SEMICON CO LTD

Model reasoning acceleration method, system, electronic device, storage medium and product

The present application discloses a model reasoning acceleration method, system, electronic device, storage medium and product, which relate to the field of artificial intelligence technology, including obtaining intermediate variables of a serialized model in a first computing module, the intermediate variables including at least one of a key-value copy, an intermediate-layer potential feature and a deep-layer output feature, the intermediate-layer potential feature being a feature whose similarity in the first computing module and the second computing module is not less than a preset similarity threshold, the intermediate-layer potential feature being determined by a shallow computing block in the first computing module, and the deep-layer output feature being determined by a deep computing block in the first computing module; determining a feature whose similarity is not less than a preset similarity threshold as an input to the deep computing block in the second computing module, so that the second computing module obtains a prediction result of the serialized model, solving the technical problem of rapid cache expansion in related solutions, which leads to slow model reasoning speed, and achieving the technical effect of reducing redundant calculations and thereby speeding up the model reasoning speed.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Quick splicing type gymnodiptychus pachydroptychus culture net cage

The rapid splicing type gymnodiptychus pachycheilus culture net cage comprises a net cage body, an extending cylinder is installed at the opening position of the upper end of the net cage body, and a sealing cover is arranged at the end, away from the net cage body, of the extending cylinder. According to the rapid splicing type pachypsilamus pachypsilamus culture net cage, the net cages can be stably spliced up and down through lug plates and locking bolts, the adjacent net cages side by side can be spliced through butt joint plates and second mounting bases, specifically, push blocks are pushed to drive stop rods to retract into mounting cavities, so that grooves are opened, and the net cages are spliced through the butt joint plates and the second mounting bases; then a butt-joint plate is pushed to rotate on a first mounting base through a first transverse shaft, so that a groove in the butt-joint plate is buckled outside a second transverse shaft on a second mounting base, then a push block is loosened, a reset spring can push a stop lever to be inserted into a locking hole, the second transverse shaft is locked in the groove, and at the moment, splicing of the adjacent net cages side by side is completed; rapid expansion and splicing of the culture net cages are facilitated, the overall culture efficiency is prevented from being affected, and the production cycle is prevented from being prolonged.
Owner:QINGHAI HUANGHE HYDROPOWER DEVELOPMENT CO LTD +3

Method for softening and rejuvenating metallic glass through ultralow-temperature full-elastic constraint compression

The invention belongs to the field of mechanical property optimization of amorphous alloy materials, and discloses a method for softening and rejuvenating metallic glass through ultralow-temperature full-elastic constraint compression. Bulk metallic glass is taken as a research object, and full-elastic constraint compression deformation treatment is applied under an ultralow-temperature condition, so that the non-uniform shear fracture behavior of the metallic glass can be remarkably avoided, and the plasticity of the metallic glass is improved. No shear band is generated on the surface of the metal glass subjected to ultralow-temperature full-elastic constraint compression treatment, fine and dispersed multi-shear band distribution is shown in a subsequent mechanical behavior test, and the shear band stress concentration phenomenon which is not beneficial to plastic deformation is effectively inhibited. According to the present invention, the bulk metal glass is prepared, the liquid nitrogen medium is adopted to obtain the ultra-low temperature environment, the sheath is adopted to make the sample subjected to the triaxial constraint force, and the more free volume makes the atom migration and the rearrangement easily occur in the material so as to avoid the formation and the rapid expansion of the main shear band, and achieve the rejuvenation effect.
Owner:NANJING UNIV OF SCI & TECH

Surveying instrument for assisting engineering management

The utility model provides a surveying instrument for assisting engineering management, which relates to the technical field of engineering management auxiliary tools and comprises a shell, a buffer strip is fixedly mounted in the shell, a support plate is slidably connected to the outer surface of the buffer strip, a limiting groove is formed in the shell, a guide plate is slidably connected to the inside of the limiting groove, and the guide plate is slidably connected to the inside of the limiting groove. A cover plate is fixedly mounted on the outer surface of the guide plate, a first spring is fixedly mounted on the inner wall of the shell, through cooperation of the supporting plate, the guide plate and the first spring, the guide plate can be driven to slide in the limiting groove by rotating the cover plate during use, and at the moment, one end of the guide plate can move along with rotation of the guide plate; the supporting plate can be pushed to move in the shell through rotation of the guide plate, at the moment, the cover plate is opened to automatically drive the supporting plate to move, rapid unfolding of the surveying instrument body during use is achieved, and the surveying instrument body is convenient to use.
Owner:石磊

Quick inflation type mine emergency escape channel sealing device

The utility model discloses a quick inflatable mine emergency escape passage sealing device, which particularly relates to the technical field of mine air bags and comprises an arch-shaped frame buried on the inner wall of a mine and air bag pieces symmetrically arranged on the arch-shaped frame. The side protection frame is fixedly installed on the arch-shaped frame, the gate plate frame set is arranged on a bottom plate arranged at the bottom of the arch-shaped frame in a sliding mode, and the two air bag pieces expand to be attached to each other and block the arch-shaped frame. According to the rapid inflation type mine emergency escape channel sealing device, the air bag pieces are protected and supported through the arch-shaped frame, so that expansion of the air bag pieces is guided to achieve accurate alignment, rapid expansion plugging can be achieved by means of simultaneous expansion of the two air bag pieces through the air pump, and the sealing effect is good. Compared with manual temporary erection and adjustment, the air bag piece is fixedly placed at a preset position, and the air bag piece is rapidly expanded to be matched with supporting of the arch-shaped frame when needing to be used, so that effective and rapid corresponding and plugging can be achieved.
Owner:SHANXI DONGJIANG COAL IND GROUP CO LTD +2

Low-noise massage air bag with plastic supporting structure

The utility model provides a low-noise massage air bag with a plastic supporting structure, which is characterized in that a supporting mechanism is arranged in an air bag main body, is arranged on the inner surface of the air bag main body, and is positioned on one side close to a convex body on the air bag main body; and a first air hole is formed in the supporting mechanism and is used for communicating the inner space of the air bag parent body with the inner space of the convex body. When the air bag parent body is in an air leakage state, the supporting mechanism abuts against the inner side wall of the protruding body, and an air channel is formed between the supporting mechanism and the protruding body. By means of the mode, it can be avoided that in the deflation state, the protruding body generates a large pit, in the process that the air bag is inflated again, the rebound amount of the protruding body becomes small, air can enter the protruding body through the first air hole and the air channel, and the situation that the protruding body expands rapidly and generates noise is avoided.
Owner:HEBEI AEW AUTO PARTS CO LTD

Hemostatic stent for heart great vessel surgery

PendingCN122004978Aavoid damageHemostasis process is simpleSurgeryArtery forcepsVascular endothelium
The invention discloses a hemostatic stent for heart great vessel surgery, which belongs to the technical field of medical instruments and comprises a shell, an adjusting knob, a piston part, a limiting plate and an airtight plate. The piston piece can be driven to extrude gas by twisting the adjusting knob, so that the expansion ring on the shell quickly expands to extrude the inner wall of a blood vessel to realize hemostasis; a clamping row groove of a limiting plate is matched with a positioning edge block of the piston piece, reverse movement of the piston piece can be prevented, stable hemostasis is ensured, unlocking and resetting can be achieved by pressing a knob column, and repeated use is facilitated; when the expansion ring reaches the maximum expansion state, high pressure in the expansion cylinder pushes the elastic film to bend, so that the medicine blocking boss is separated from the medicine outlet hole, heparin in the end head is released, local blood coagulation is inhibited in a targeted mode, the medicine dosage is reduced, and the problems that blood vessel endothelium injury is easily caused, the ischemia risk is high, and continuous operation of an operator is needed due to hemostasis of existing artery forceps are solved.
Owner:JIANGSU TAIZHOU PEOPLES HOSPITAL

Positioning device for producing and processing disposable paper cups

The invention relates to the technical field of paper cup production, in particular to a positioning device for disposable paper cup production and processing, which comprises a workbench, an electric rotary table is fixedly connected to one side of the top of the workbench, a plurality of electric rails are fixedly connected to the top end of the electric rotary table, and symmetrical elastic telescopic pieces are mounted on the electric rails; the bottom end of the elastic telescopic piece is fixedly connected with an adjusting piece, the adjusting piece is in transmission connection with symmetrical correcting pieces, the cup body is fixed through the rapidly-expanded supporting air bag, and then through operation of the adjusting piece, an internal component of the adjusting piece drives the two correcting pieces, so that the correcting pieces are driven to correct the cup body. And then the two correcting pieces are driven to move towards the cup body, so that the position and angle of the cup body are rapidly adjusted, the cup body is in a vertical state, inclination of the cup body during fixing is avoided, when the cup body and the cup bottom are in butt joint, the cup body and the cup bottom are kept in a vertical state, then the butt joint accuracy of the cup body and the cup bottom is improved, and the butt joint efficiency is improved.
Owner:XIAMEN ZIHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Process for t cell expansion

An in vitro expansion process for rapid expansion of antigen specific T cells, such as allogeneic antigen specific T cells comprising the steps culturing in a gas permeable vessel a population of PBMCs (such as allogeneic PBMCs) in the presence of antigen, for example a peptide or peptide mix relevant to a target antigen(s), in the presence of an exogenous cytokine characterized in that the expansion to provide the desired population of T cells is 14 days or less, or example 9, 10, 11 or 12 days, such as 10 days. The disclosure also extends to T cell populations generated by and obtained from the method and the use of same in therapy.
Owner:ALLOVIR INC +2

A scalable modular computing power center architectural design method

The application belongs to the technical field of computing center building design, and specifically discloses a scalable modular computing center building design method, which comprises the following steps: determining the overall structure of the computing center building, introducing a building space adaptability coefficient, and evaluating the adaptability of the space to the computing equipment and the liquid cooling system; performing module division and assembly deployment based on a module expansion potential coefficient, optimizing building arrangement and infrastructure by using a network transmission loss coefficient; constructing a composite heat dissipation system, adopting a multi-stage waste heat recovery structure to improve energy utilization efficiency; deploying dynamic environment safety monitoring nodes, and realizing safety hazard detection and dynamic evaluation by combining a risk quantification algorithm; building a centralized control platform to adaptively adjust the operating state of each module; realizing rapid expansion through the assembled module, and evaluating the expansion scheme by using an expansion cost and cycle model. The application realizes the quantitative optimization of the computing center in multiple dimensions such as time, cost and efficiency, and is suitable for the construction and upgrading of various artificial intelligence computing centers.
Owner:BEIJING YINGCHUANGLIHE ELECTRONIC TECH CO LTD

A rapidly expandable modular construction platform and method of installation

This invention discloses a rapidly expandable modular construction platform and its installation method, relating to the field of building construction technology. It includes connecting column bases, integrated beam-column components, adjustable supports, inter-column connectors, connecting hinges, a platform plate, and a conveying device mounted on the upper part of the platform plate. The integrated beam-column components are installed on the connecting column bases after being erected. The adjustable supports are installed on the unfolded integrated beam-column components. The inter-column connectors connect two interconnected integrated beam-column components, and the connecting hinges are installed between the two interconnected integrated beam-column components. The platform plate is installed between four integrated beam-column components. The integrated beam-column components achieve modularity and rapid expansion of the construction platform. The adjustable supports ensure structural safety and stability, overcoming the problems of low installation efficiency and high manpower consumption in construction platforms. Furthermore, this invention is convenient to connect and transport, and enables rapid expansion and disassembly of the construction platform.
Owner:THE FOURTH OF CHINA EIGHTH ENG BUREAU

Airbag phase change cold bullet ejector and method

The application discloses a kind of air bag type phase change cold catapult device and method, air bag type phase change cold catapult device includes catapult frame, guide rail, adapter, catapult carrier, air bag, pressure relief valve and base, guide rail is installed in the inside of catapult frame, adapter is arranged on the inner wall of guide rail, catapult carrier and adapter are mutually fixed and can be linear motion along guide rail together, air bag lower side is installed on base, one side of air bag is equipped with pressure relief valve, when catapult operation, air bag is under the action of phase change high pressure gas and rapidly expands and pushes catapult carrier and makes linear motion along guide rail;After catapult is completed, phase change high pressure gas in air bag is discharged through pressure relief valve and is discharged to surrounding environment.The application discloses a kind of air bag type phase change cold catapult device and method, maintenance and use cost is low, and catapult concealment is good;It can be adapted to a variety of catapult carriers, and reliability is high.
Owner:CHANGSHA ZHONGLIAN HENGTONG MACHINERY +1