1611 results about "Vacuum tube" patented technology

A vacuum insulating panel may include: a first substrate; a second substrate; a plurality of spacers provided in a gap between at least the first and second substrates, wherein the gap is at pressure less than atmospheric pressure; a pump-out / evacuation tube extending at least partly into an aperture in one of the substrates; and a pump-out / evacuation tube seal. The pump-out / evacuation tube seal may include at least one of: (a) from about 20-80 wt. % tellurium oxide, the tellurium oxide comprising TeO4 and TeO3, wherein the pump-out tube seal comprises more TeO3 than TeO4 by wt. %; and / or (b) tellurium oxide and from about 10-50 wt. % vanadium oxide, wherein the pump-out tube seal by wt. % comprises more tellurium oxide than vanadium oxide, and wherein the vanadium oxide comprises VO2 and V2O5, and wherein more V in the pump-out tube seal is in a form of VO2 than V2O5. A substantially donut-shaped laser beam may be used to heat pump-out tube material in order to form a pump-out tube seal.

The invention discloses a vacuum adsorption device and an adsorption method, the device comprises a carrying table and a driving device, vacuum holes and sealing holes which are distributed in a staggered manner are formed in the surface of the carrying table, and a plurality of independently controlled vacuum areas are formed. Each area is provided with an independent vacuum pipeline, a pressure controller and a switch, and precise negative pressure regulation and control are achieved. The lifting sealing ring is arranged in the sealing hole, the height is adjusted through the driving device, and the position of the sealing ring and the warping state of the wafer are monitored in real time through the detection device. In the adsorption process, if warping exists, the height of the sealing ring is automatically adjusted, the wafer is flattened step by step in a subsection adsorption mode of subarea control, and global adsorption is started after the heights of all the sealing rings are consistent. According to the method, the problem that a traditional adsorption mode is poor in adaptability to large-warping wafers is effectively solved through the partition control and dynamic adjustment technology, the method has the advantages of being stable in adsorption, uniform in stress, low in breakage rate and the like, and the process compatibility and the production yield are remarkably improved.

The invention discloses a multidimensional monitoring system of an on-load tap-changer for a converter transformer and a fault prediction method, the system comprises a motor, a change-over switch core and other parts, and a data acquisition module is provided with a current, vibration and oil chromatography acquisition unit and a vacuum tube life monitoring unit. The current sensor collects motor current, the vibration sensor collects vibration signals of the change-over switch, the oil chromatography collection unit analyzes an oil sample, and the vacuum tube life monitoring unit evaluates the residual life of the vacuum tube. And a data transmission and processing analysis module. The fault prediction method comprises the steps of data acquisition, preprocessing, multi-dimensional data fusion, fault prediction model construction, feature extraction and selection, fault prediction and evaluation and the like. And screening characteristic parameters and fusion data by adopting a plurality of technical means, and constructing a machine learning model to predict faults. According to the invention, multi-source data acquisition and multiple analysis methods are integrated, the equipment state can be comprehensively reflected, the monitoring reliability is improved, faults can be predicted in advance, and the equipment fault rate is reduced.

Kidney stone removal system is disclosed having components including a handle mechanism, a nozzle tip, and a guiding device. The handle mechanism employs a trigger that enables control of irrigation and vacuum / suction. Depression of a trigger in the trigger mechanism conveys status of vacuum / suction and irrigation to a user by providing increased resistance at different points of depression. When the trigger is in a home (undepressed) position, irrigation and vacuum / suction are turned off. When the trigger is in a fully depressed position, irrigation and vacuum / suction are turned on. When the trigger is in an intermediate position, irrigation may be turned on, while vacuum / suction remains turned off. The nozzle includes one or more irrigation ports positioned at a distal end of the nozzle and having an irrigation port departure angle of 30 to 60 degrees for directing irrigation fluid forward and laterally from the distal end of the nozzle. The guiding device is configured to be removably positioned in the nozzle for receiving a debris fragmentizing device, such as a laser device. The guiding device is configured to prevent an unintended movement of the fragmentizing device when the fragmentizing device is positioned in the nozzle while allowing fluid and debris to flow past the fragmentizing device and through a vacuum tube.

The invention relates to the field of high-temperature anti-oxidation coatings, in particular to a tantalum-tungsten alloy surface high-temperature anti-oxidation composite coating and a preparation method thereof.The coating is composed of two layers of coatings with different components, the thermal expansion coefficients of the coatings and a base body are matched, the thermal expansion coefficients of the coatings are matched, and residual stress and thermal stress are reduced. The coating is prepared by adopting an embedding boriding and slurry melting method, and the used material components comprise ZrB2, MoSi2, 8YSZ, B, La2O3, Al2O3, NaF, TaSi2 and the like. The preparation method specifically comprises the following steps: putting a substrate into embedding powder for boronizing treatment, then mixing a coating material with ethanol and a binder, putting the mixture into a ball mill for wet mixing to prepare coating slurry, spraying the coating slurry on the surface of the substrate, and putting the substrate into a vacuum tube furnace for sintering to prepare a coating, thereby obtaining the high-temperature anti-oxidation composite coating. The binding force between the developed coating and the tantalum-tungsten alloy matrix is strong, and the tantalum-tungsten alloy matrix can be protected from oxidation corrosion or the oxidation rate can be slowed down within 500-2500s at the high temperature (2000 DEG C or above).

Kidney stone removal system is disclosed having components including a handle mechanism, a nozzle tip, and a guiding device. The handle mechanism employs a trigger that enables control of irrigation and vacuum / suction. Depression of a trigger in the trigger mechanism conveys status of vacuum / suction and irrigation to a user by providing increased resistance at different points of depression. When the trigger is in a home (undepressed) position, irrigation and vacuum / suction are turned off. When the trigger is in a fully depressed position, irrigation and vacuum / suction are turned on. When the trigger is in an intermediate position, irrigation may be turned on, while vacuum / suction remains turned off. The nozzle includes one or more irrigation ports positioned at a distal end of the nozzle and having an irrigation port departure angle of 30 to 60 degrees for directing irrigation fluid forward and laterally from the distal end of the nozzle. The guiding device is configured to be removably positioned in the nozzle for receiving a debris fragmentizing device, such as a laser device. The guiding device is configured to prevent an unintended movement of the fragmentizing device when the fragmentizing device is positioned in the nozzle while allowing fluid and debris to flow past the fragmentizing device and through a vacuum tube.

Systems and methods are disclosed for concentric suction cup tools with integrated air chambers. In one embodiment, an example picking assembly may include a vacuum manifold having a first integrated air pressure path and a second integrated air pressure path, and a first piston subassembly that includes a first air pipe, a first vacuum pipe, a first bushing disposed between the first air pipe and the first vacuum pipe, and a first suction cup, where the first piston subassembly is configured to independently actuate from a retracted position to an extended position. The picking assembly may include a second piston subassembly having a second air pipe, a second vacuum pipe, a second bushing disposed between the second air pipe and the second vacuum pipe, and a second suction cup, where the second piston subassembly is configured to independently actuate from the retracted position to the extended position.

According to the adsorption device, the semiconductor equipment and the adsorption method, in the adsorption device, a central suction area is defined through an annular structure, and the top of the annular structure is higher than a supporting surface, so that when a wafer is placed on the adsorption device, the annular structure and the peripheral area of the wafer can form a contact fit boundary; when the interior of the annular structure is vacuumized under the cooperation of the vacuum pipeline and the suction structure, the annular structure is beneficial to forming a relatively closed negative pressure space or a negative pressure space with a high flow resistance boundary between the wafer and the supporting surface, especially in the central area. According to the technical scheme, the vacuum suction effect can be more effectively concentrated in the central area limited by the annular structure, so that the effective pressure difference and the vacuum adsorption force applied to the wafer in the central area limited by the annular structure are increased, the wafer can be smoothly adsorbed, and subsequent process treatment is facilitated.

An on-load tap-changer includes: a tap-changer body and a driving mechanism fixed on the tap-changer body. The tap-changer body includes a housing, multiple insulation fixing plates, multiple turntables, each of which includes a sheave and a cam plate, the cam plate of which is rotatably connected to the insulation fixing plate, and the sheave of which is connected to the driving mechanism, multiple vacuum tubes fixed on the multiple insulation fixing plates, and multiple transmission mechanisms, each of which includes a lifting lever and a reverse spring. When the driving mechanism drives the sheave to regulate voltage, the cam plate is synchronously driven to rotate, and then the vacuum tube is driven by the lifting lever and the reverse spring to achieve on / off arc extinction, thereby achieving on-load voltage regulation.

The invention discloses a non-interception type detector for measuring the beam position and the cross section of proton / heavy ion radiotherapy equipment, and belongs to the technical field of nuclear medicine and electronics crossing. Secondary particles (electrons or ions) obtained after ionization reaction of high-energy protons / heavy ions and residual gas molecules are used as signals, the signals are amplified to reconstruct the original position and cross section distribution of a beam, and the detector is a completely non-interception type detector and can be used as long-term online measurement equipment. According to the invention, the structure of the detector is systematically designed and optimized aiming at the position and section measurement of an extremely weak beam in proton / heavy ion radiotherapy equipment, a test is carried out on an experimental platform, a clear signal image can be obtained, the structure is compact, the performance is good, the work is stable and reliable, and the cost is low. The method is of great significance to debugging, operation and maintenance of proton / heavy ion radiotherapy equipment.

The invention relates to the technical field of pressure detection, in particular to a single crystal furnace vacuum pipeline pressure measuring method and device. The method comprises the following steps: quantifying temperature deviation of a vacuum pipeline in a crystal growth process; carrying out matching analysis on the temperature data and the growth trend of the growth rate, and carrying out time delay identification on the temperature data and the growth rate through a matching section group; dynamic compensation of temperature lag is analyzed according to the relation between temperature data in the crystal growth process and the time delay change of the growth rate and the deviation change of pressure, and a delay compensation index is determined; and performing temperature data compensation according to the delay compensation index and the temperature offset to obtain current adjustment pressure measurement data. The dynamic accompanying condition of the temperature and the crystal growth is analyzed, the time delay compensation is determined through the accompanying time delay degree, the temperature data is compensated in combination with the temperature deviation, and the pressure is adjusted, so that the measured pressure data can more truly reflect the pressure condition in the crystal growth process, and the pressure measurement precision is improved.

The invention relates to the technical field of scanning electron microscopes, in particular to a scanning electron microscope which comprises a mounting frame, an electron microscope body, a vacuumizing mechanism, an adapter, a damping mechanism and a vacuum tube structure, the electron microscope body comprises a lens cone and a sample bin, and the vacuumizing mechanism is used for synchronously vacuumizing the lens cone and the sample bin; the damping mechanism is arranged between the mounting rack and the electron microscope main body; the adapter comprises an adapter tube, a first joint and a second joint, and the first joint and the second joint are arranged on the two sides of the adapter tube; the vacuum tube structure comprises a first flexible tube, a first rigid tube, a second flexible tube and a second rigid tube, and the first flexible tube and the second flexible tube are symmetrically arranged. Due to the fact that the flexible pipes are connected with the vacuumizing mechanism and the rigid pipe is connected with the electron microscope body, the symmetrical flexible pipes can balance pulling force in the vacuumizing process, the influence of the pulling force on the electron microscope body is reduced, the influence on the image quality is reduced, and the detection accuracy of the scanning electron microscope and the definition of images are effectively guaranteed.

The invention discloses a vacuum exhaust throttle valve setting method and system. The method comprises the steps that the current pressure value in a vacuum pipeline is obtained; calculating a pressure deviation and a pressure deviation change rate according to a preset target pressure value and the collected current pressure value; fuzzifying the calculated pressure deviation and the pressure deviation change rate to obtain a corresponding fuzzy linguistic variable; performing fuzzy reasoning based on a preset fuzzy rule base to obtain a valve opening adjustment amount in a fuzzy form; performing defuzzification processing on the valve opening adjustment amount in the fuzzy form to obtain an accurate valve opening adjustment amount value; and the opening degree of the exhaust throttle valve is adjusted according to the accurate valve opening degree adjustment amount value. The opening degree of the exhaust throttle valve is dynamically adjusted, and rapid and accurate control is achieved.

The invention relates to a method for detecting a marine corrosion primary process, which comprises the following steps of: constructing three vacuum chambers and connecting the three vacuum chambers by using vacuum pipelines to form a detection system; ultrafast femtosecond laser with the repetition frequency being 1 kHz, the single pulse energy being 6 mJ, the pulse width being 35 fs and the central wavelength being 800 nm is generated through a pulse amplifier; one beam of 2mJ enters a vacuum chamber pipeline to be transmitted as a pulse light beam for detection in the original process of ocean corrosion, the other beam of 4mJ is transmitted outside the vacuum chamber to be used as a pump pulse light beam, and 400 nm pump pulse laser is generated through frequency doubling of a BBO crystal; the pump light beam and the detection light beam are incident on a sample of a sample mechanism in the third vacuum chamber, then the pump light beam is blocked, and only the detection light beam is incident on the sample; xUV light beams reflected from the sample are subjected to spectral dispersion and then enter a CCD detector, and the dynamic response of the sample after being excited by the pump light is monitored by measuring the transmissivity, reflectivity or absorption change of the surface of the sample.

The invention discloses a hydrogen storage cylinder water pressure testing device and method, the device comprises a clamping assembly and a water injection and evacuation assembly, the clamping assembly comprises a clamping mechanism and a swing driving mechanism, and the swing driving mechanism is used for driving the clamping mechanism to swing so as to control the hydrogen storage cylinder clamped on the clamping mechanism to swing up and down; the water injection emptying assembly comprises a testing tool mechanism and a water injection pressurizing mechanism, the testing tool mechanism comprises a tool body, a vacuum pipe and a water injection pipe, the tool body is arranged in the bottle nozzle in a sleeved mode, and the vacuum pipe is provided with a gas inlet end extending into the hydrogen storage bottle and an exhaust end communicated with the outside; the water injection pipe is provided with a water outlet end communicated with the interior of the hydrogen storage cylinder and a water inlet end connected with the water injection pressurization mechanism, and the air inlet end is provided with a floating piece. The liquid level in the hydrogen storage cylinder swings relative to the hydrogen storage cylinder, so that the gas inlet end of the vacuum tube is driven to different areas in the hydrogen storage cylinder, gas is discharged outwards, it is guaranteed that the hydrogen storage cylinder is filled with liquid, formation of a gas cavity is avoided, and the testing accuracy is improved.

A geophysical or space-based detection, interrogation, or exploration system includes a compact electric dipole driven transmitter for producing a primary electromagnetic field, and a very sensitive electromagnetic sensing receiver for detecting a secondary electromagnetic field produced by electromagnetic induction in a target responsive to the primary electromagnetic. The electromagnetic sensing receiver is configured to employ computer-controlled software that operates an inverse algorithm that processes receiver data resulting from detection by the electromagnetic sensing receiver of the secondary electromagnetic field, and that performs analysis on results of the inverse algorithm to classify the target in a manner that distinguishes material, shape, or location of the target, and that displays results of the analysis. The compact electric dipole driven transmitter can be a compact transmitting antenna according to the present invention that includes a vacuum tube, a charged particle beam gun, a beam timing controller, and a beam speed controller.

The invention discloses a single-drive shearing and shaping device for vacuum pipe fitting heat sealing, comprising: a housing, a driving device driving a first gear with an inner bore cam to rotate around a central axis; the axial cam part and the first gear synchronously rotate around the central axis; the shearing surfaces of the two groups of shearing parts are oppositely arranged in an inner hole of the first gear, and the two groups of shearing parts are driven by the inner hole cam to do periodic opening and closing movement in the radial direction of the first gear and driven by the axial cam part to do periodic reciprocating movement in the axial direction of the first gear. According to the invention, radial and axial multi-step actions of the shearing and shaping device can be realized only by adopting a single driving device, and automatic melting and sealing of the vacuum sealing connecting pipe can be completed by matching with heating and vacuumizing equipment, so that the production efficiency is effectively improved, the production cost is reduced, and the stability of the product quality is ensured.

The utility model relates to the technical field of electric vehicle charging equipment, and discloses an electric vehicle charging pile with a waterproof structure, which comprises a bottom plate, a charging pile body is fixedly mounted at the top of the bottom plate, a guide rod is fixedly mounted on the front surface of the charging pile body, and a rainproof cover is slidably mounted on the inner side of the guide rod. And a limiting block is fixedly installed outside the rainproof cover, the guide rod and the limiting block are installed in a sliding mode, a heat dissipation grid is arranged on the front face of the charging pile body, a dust collection mechanism is arranged in the rainproof cover, and a cleaning mechanism is arranged in the rainproof cover. According to the charging pile, the dust collector is started, under the cooperation of the dust collection pipe and the dust collection head, dust on the surface of the heat dissipation grid is conveniently cleaned, meanwhile, heat is conveniently sucked, and therefore the heat dissipation efficiency of the charging pile body in rainy days is improved, and through the arranged filter screen, dust is conveniently isolated, and meanwhile hot air is conveniently discharged.

According to one embodiment of the present disclosure, a vacuum circuit breaker may include: a pressure vessel filled with an insulating gas of a predetermined pressure; a vacuum interrupter provided inside the pressure vessel and having a fixed electrode and a movable electrode in a vacuum tube in a vacuum state; a bellows provided to seal a gap between the vacuum tube and the movable electrode; a movable rod, one end of which is connected to an end portion of the movable electrode via an insulating link, and which is capable of penetrating the pressure vessel and reciprocating in an axial direction while maintaining airtightness; a drive rod which is provided outside the pressure vessel at the other end of the movable rod and which transmits the driving force of the drive unit to the movable rod; and a contact pressure spring, one end of which is supported by the movable rod and the other end of which is supported by the driving rod, in which a ratio of a self-closing force of the vacuum interrupter to a minimum closed contact pressure is set to a predetermined ratio.

A solid-state circuit breaker comprises a sensing and control circuit configured to realize designed functions, a power electronics section that includes solid-state switching components for normal operations and a vacuum gap section that includes a sealed vacuum tube. The vacuum gap section is disposed in series with the power electronics section. The vacuum gap section is configured to open to interrupt a current such that the associated arcs are contained in the sealed vacuum tube.

The invention discloses a plasma cleaning device and method. The plasma cleaning device comprises a base, a workpiece carrying plate and a protective cover, a positive electrode plate is arranged on the upper end face of the base, a ceramic plate is arranged on the upper end face of the positive electrode plate, a positioning piece is arranged on the upper end face of the ceramic plate, and a vacuumizing pipeline is arranged on the base; the workpiece carrier plate is provided with a plurality of positioning grooves for loading substrates to be cleaned, and the distance between the workpiece carrier plate and the ceramic plate is smaller than or equal to 0.05 mm; the protective cover is connected with a lifting mechanism and provided with a negative electrode plate, the negative electrode plate is located above the positive electrode plate, and the positive electrode plate and the negative electrode plate are located in the closed space. A ceramic plate is arranged on the positive electrode plate for covering, and a discharge mode is changed into a dielectric discharge mode, so that a golden finger of the substrate is prevented from being polluted by a tin element; according to the method, oxygen is input firstly to clean the surface of the substrate in a high-efficiency chemical reaction mode, then argon is introduced, the surface of the substrate is physically impacted, and surface oxides are thoroughly removed, so that the cleaning effect is better.

A vacuum insulating panel may include: a first substrate; a second substrate; a plurality of spacers provided in a gap between at least the first and second substrates, wherein the gap is at pressure less than atmospheric pressure; an evacuation tube for evacuating the gap and which may extend at least partly into one of the substrates or be otherwise mounted / supported; and an evacuation tube seal at least partially surrounding the tube. A glass composition of the evacuation tube may contain a high amount of total iron (including oxides thereof) to improve the tube's tip seal. A tip seal, at an end and / or tip portion of the tube, may include a first side including a convex surface and / or a second side including a concave surface.

The invention relates to the technical field of medical instruments, in particular to a cryoablation needle based on radio frequency rewarming, the medical instrument comprises a needle body, a capillary catheter, a first air inlet pipe, a second air inlet pipe, a needle tube, an insulating tube, a vacuum tube and a radio frequency welding wire, and after the needle body on the needle tube is led into tissue by an operator, the needle body is heated to be cooled; the tissue is frozen after air is injected through the first air inlet pipe and the second air inlet pipe to be cooled, then the tissue is rapidly heated under the action of the radio frequency welding line on the needle tube and is inactivated after multiple times of circulation, treatment is completed, meanwhile, internal redundant tissue fluid is automatically and rapidly guided out through the capillary catheter, secondary infection is avoided, and the device is simple in structure and convenient to operate. The problem of treatment of diseased tissues is effectively solved, and the device has good practicability and economical efficiency and is beneficial to popularization and use of equipment.

The invention particularly discloses a heating assembly for heating a non-combustion smoking set and a control method. The heating assembly comprises a heating cylinder, a vacuum tube, a temperature measuring needle and a shell. The heating cylinder is used for accommodating an aerosol generating base material product and circumferentially heating the aerosol generating base material product; the vacuum tube is arranged on the outer side of the heating cylinder in a sleeving manner so as to perform vacuum heat insulation on the heating cylinder; the shell is arranged on the outer side of the vacuum tube in a sleeving mode, the temperature measuring needle is detachably and vertically arranged at the bottom of the shell, the temperature measuring needle is located in the heating cylinder, and the temperature measuring needle is used for being inserted into an aerosol generating base material contained in the heating cylinder so as to detect and feed back the center temperature of the aerosol generating base material. The accuracy of temperature control heating of the tobacco can be improved, and the tobacco can release healthier chemical substance components.

A vacuum tube assembly for removing material is disclosed, including: a vacuum generator configured to generate a vacuum airflow; one or more tubes coupled to the vacuum generator and configured to channel the vacuum airflow; and an actuation mechanism coupled to the one or more tubes, wherein the actuation mechanism is configured to actuate at least one tube from a first position relative to a material stream to a second position relative to the material stream, wherein the first position is farther from the material stream than the second position.

The invention discloses a Ka-band 2000W solid-state power amplifier, which relates to the field of power amplifiers, and comprises a Ka monitoring and pre-stage power amplifier, a Ka final-stage power amplifier and a Ka high-power synthesis network, the Ka monitoring and pre-stage output end is in flexible connection with the eight Ka last-stage power amplifiers, and the Ka last-stage power amplifiers are in hard connection with the Ka high-power synthesis network through waveguides. A solid-state system is adopted for design, a domestic GaN solid-state power amplifier chip is utilized for synthesis, the power amplifier adopts a low-voltage working mode, the power chip is long in service life, the linear index of the power amplifier is good, and the power amplifier is different from the defects that a vacuum tube power amplifier is large in size and weight, has breakdown risks during high-voltage working and cannot respond to emergency scenes immediately. The Ka-band high-power amplifier is a development trend of a Ka-band high-power amplifier, and has the advantages of high output power and convenience in maintenance.

The present invention discloses a fully automatic production device and method for forming an alumina ceramic vacuum tube shell, including a material conveying mechanism, a forming mechanism, a transmission mechanism, a stamping mechanism, a grasping mechanism, a turning mechanism, and a placement platform. A forming mechanism is arranged on the transmission mechanism. The material conveying mechanism is used to convey powder materials into the forming mechanism. The transmission mechanism is used to convey the forming mechanism into the stamping mechanism. After stamping, the transmission mechanism conveys the forming mechanism to directly below the grasping mechanism. The grasping mechanism is used to grasp the alumina ceramic vacuum tube shell in the forming mechanism and transport it into the turning mechanism. The turning mechanism is used to perform turning processing on the surface of the alumina ceramic vacuum tube shell. This application can realize the automation of processes such as material conveying, forming, stamping, grasping, turning, and placement, greatly improving production efficiency and product quality, reducing labor costs and energy consumption, and having strong market competitiveness and economic benefits.

The invention relates to the technical field of low-temperature valve testing, in particular to low-temperature valve heat leakage testing equipment and method.The equipment comprises a double-chamber container internally provided with a testing chamber and a storage tank chamber which are isolated, a liquid nitrogen storage tank is located in the storage tank chamber and connected with a blow-down pipe and a liquid inlet pipe which penetrate out of the storage tank chamber, and the liquid nitrogen storage tank is connected with a liquid outlet pipe; the test air inlet pipe is communicated with a valve to be tested or a replacement pipeline; the evaporation measurement device is communicated with the test gas outlet pipe and the liquid nitrogen storage tank, the test gas outlet pipe is located in the test cavity and used for being communicated with a valve to be tested or a replacement pipeline, and the evaporation measurement device is used for measuring the evaporation capacity of liquid nitrogen; the vacuum generating device is communicated with the testing chamber and the storage tank chamber through a vacuumizing pipe, and the vacuum degree of the testing chamber and the vacuum degree of the storage tank chamber are independently controlled. The device effectively eliminates the influence of heat leakage of the device and environmental factors, achieves the accurate testing of the heat leakage of the low-temperature valve, achieves the more accurate evaluation of the performance of the valve, and is suitable for the performance evaluation scene of a cryogenic medium valve.

The embodiments of the present application disclose a battery cutting and stacking integrated device, used for solving the technical problem of difficultly in maintenance as a result of dust removal vacuum pipes in existing devices being each generally mounted in the internal space of a rack. The battery cutting and stacking integrated device in the embodiments of the present application comprises a rack, the rack is provided with a mounting table close to the ground of a production site, and an unwinding module, a cutting module, a stacking module, a hot-pressing blanking module, and a dust removal module are mounted on the mounting table; the dust removal module comprises a plurality of dust removal fans and a vacuum pipe connected to the dust removal fans, the vacuum pipe is arranged on the mounting table, and the vacuum pipe is connected to a plurality of dust suction covers that are respectively arranged towards the unwinding module, the cutting module, the stacking module, and the hot-pressing blanking module.

The utility model discloses a winding wire removing positioning execution device of a winding machine, which is arranged on a full-automatic winding wire removing platform of a shuttle peg and a shuttle shell, and comprises a base plate, a winding wire removing shaft seat, a vertical positioning arm, a transverse positioning arm, a wire removing part and a vacuum tube, the base plate vertically penetrates through and is rotatably connected with a thread removing shaft seat for axially supporting the shuttle peg, the base plate is vertically connected with a vertical positioning arm for axially buckling and positioning the shuttle peg in an overturning manner, and the base plate is horizontally and rotatably connected with a transverse positioning arm for adjusting and contacting the circumferential outer wall of the shuttle peg; the wire removing part is rotationally connected to the base plate, and the wire removing part and the wire removing and winding shaft seat synchronously rotate in the same direction; the vacuum tube is fixedly arranged on one side of the base plate so as to adsorb and remove remaining threads wound on the shuttle peg. The device can realize automatic identification and positioning of the shuttle peg, automatic residual thread removal and automatic positioning and new thread winding so as to solve the problem of low working efficiency of existing manual auxiliary thread removal and winding, and is simple in structure and easy to realize.