164results about How to "Avoid vibration effects" patented technology

The invention discloses an ultra-precise straightness measuring method based on single-measuring-head error separation. The method comprises the implementing steps that a measured workpiece is placed on a machine tool, and a scanning measuring head is mounted on a movement mechanism of the machine tool through a shearing platform provided with a micro-displacement structure; starting from the starting position of a selected moving distance, the movement mechanism is controlled to drive the scanning measuring head to conduct amplitude -limited movement, and every time the scanning measuring head is moved to a detection position, the scanning measuring head is driven by the shearing platform to conduct micro-displacement to collect distance detection data of at least two positions in the micro-displacement process until data acquisition of all detection positions of the measured workpiece at the selected moving distance is completed; the distance detection data collected at all the detection positions are subjected to error separation through a preset error separation algorithm to obtain a straightness measuring result. The method has the advantages that measurement accuracy is high, the scanning area is large, the measuring range is large, measurement is convenient and fast, influences of environmental low-frequency vibration can be suppressed, and influences of zero setting errors, spacing errors, property difference and thermal drift of the measuring head are eliminated.

The invention relates to a high-precision gear manufacturing method. By optimizing nitrogen process parameters and adopting a flexible positioning net, parts are nitrogenized in a free state, a sandblasting machining method is adopted in a subsequent process to uniform residual stress on the surface of a spoke plate, and by taking measures of using a self-adaptive gear grinding fixture, increasing a sandblasting process and the like, the problems that deformation occurs during gear machining and the precision cannot be guaranteed are solved. The method provided by the invention has the advantages that the stability of nitrogenization is guaranteed, the cutting precision is improved, the spoke plate is prevented from being deformed, the deformation during machining and nitrogenization is effectively controlled and the machining quality of the part is guaranteed.

The present invention utilizes aperture array element and vari-focus optical element in confocal microscopy system. With the aperture array element lateral scanning property can be obtained and with vari-focus optical element axial scanning property can be obtained. Especially Micromirror Array Lens is used as a vari-focus optical element, fast and extended depth of focus scan range can be obtained. Thus the present invention of confocal microscopy with the vari-focus optical element increases scan speed of confocal microscopy system. The confocal microscopy system of the present invention comprises an illumination source, an aperture array element, a vari-focus optical element, an objective lens element, a photosensitive optical sensor device. With these elements, confocal microscopy is performed to get three dimensional images. Three dimensional with the confocal microscopy of the present invention can be obtained three dimensional images: two dimensional lateral images can be obtained with aperture array element scanning laterally with multiple aperture to increase scanning speed and the depth information of each pixel in two dimensional image can be determined by the vari-focus optical element. Thus three dimensional images can be reconstructed by the two dimensional imaged obtained from lateral scan and depth information from the axial scan. The present invention of the confocal microscopy system improves slow speed of the confocal system with considerable amount by use of fast varying vari-focus optical element and fast scanning aperture array element.

The invention relates to an anti-vibration system, in particular to a suspended type anti-vibration system used in electronic products such as a CD-ROM drive, a hard disk, an electronic circuit board, etc. The anti-vibration system comprises at least three buffer cells and a plurality of limit parts; the buffer cell comprises a hollow elastic part, a connecting part which is fixedly connected to the upper end face of the elastic part; when in use, the buffer cells are arranged to be a polygon, the connecting part in each buffer cell is fixedly connected with the lower end face of a part needing vibration damping, and all the limit parts are connected to the top face or side of the part needing vibration damping. The suspended type anti-vibration system can isolate the part needing vibration damping from a vibration source, thus preventing the part needing vibration damping from being affected by vibration directly; furthermore, the suspended type anti-vibration system has the advantage of withstanding large longitudinal and transverse continuous vibration shock.

Embodiments of the invention provide a building vibration reduction method and a vibration reduction effect evaluation method influenced by rail transit vibration. The overall vibration reduction method comprises: obtaining the target vibration reduction rate of a newly-built building based on the base vibration amount and the target vibration amount; obtaining a target inherent frequency of the newly-built building based on the target vibration reduction rate; and obtaining the rigidity of the vibration damping pad based on the target inherent frequency, and obtaining the vibration damping building with the target vibration damping function after the vibration damping pad is installed on the building base. According to the overall vibration reduction method and the vibration reduction effect evaluation method for the building affected by rail transit vibration provided by the embodiment of the invention, the target vibration reduction rate is obtained by newly building the base vibration quantity and the target vibration quantity of the building, then the target inherent frequency is obtained, and finally the rigidity of the vibration reduction pad is designed; wherein the vibration reduction pad is used for obtaining a newly-built vibration reduction building with a vibration reduction function; and the vibration reduction effect of the vibration reduction building is evaluated, so that the vibration influence of the rail transit can be effectively avoided for the newly-built building.

A tape guiding mechanism for guiding a traveling tape is provided including a guide roller for guiding the traveling tape and a regulator which rubs against at least one edge of the traveling tape in its width direction, in which the guide roller includes a circumferential surface with which the tape is in contact, a spiral groove is formed on the circumferential surface around an axis of the guide roller, and the traveling tape shifts to one side in a width direction on the circumferential surface of the guide roller.

The invention discloses an optical fiber-coupled laser sum frequency technology-based trace mercury concentration detection method and device. The device comprises a data acquisition card, two laser diode drivers, two diode lasers with tail fibers and different wavelengths, a 1: 2 tapering lens optical fiber, barium metaborate (BBO) crystals, a quartz lens, a beam splitter prism, two reflectors, a light splitter, a reference cell, a sample tank, two photomultipliers, two filters and a computer. The method utilizes a multiple linear regression algorithm and an automatic circuit control wavelength feedback technology to realize on-line continuous detection of a mercury vapor concentration.

The invention relates to a special soil-fetching device for a static triaxial compression test of soil, comprising an external tube of the soil-fetching device, wherein the external tube of the soil-fetching device is a framework structure; the upper end of the external tube of the soil-fetching device is connected with a joint, and the lower end of the external tube of the soil-fetching device is connected with a tubular boot; a center shaft rod of the soil-fetching device is arranged in the inner center of the external tube of the soil-fetching device; the upper end of the center shaft rod of the soil-fetching device is connected with the joint; and a plurality of sampling tubes are arranged on the center shaft rod of the soil-fetching device. The special soil-fetching device is pressedinto the soil layer at the bottom of a borehole to sample the soil in a static manner when the soil layer of a predetermined depth is drilled by a universal drilling device. After finishing sampling the soil, the special soil-fetching device is rotated at a certain angle through the drilling device so as to disconnect the soil sample in the standard sampling tubes from the lower soil layer, the special soil-fetching device is taken out from the borehole, and then the sampling tubes are unloaded, placed in a storage box and delivered to a lab; and the operation for next soil sampling can be performed by re-installing new sampling tubes. The soil sample taken out from the sampling tubes can be directly used for a test by testing personnel, thus the accuracy and success ratio of the test canbe ensured, and the working efficiency is improved.

The invention provides a method for growing sapphire crystal by a kyropoulos method. The method comprises the following stages: charging of materials, heating for melting the materials, crystal drawing, shoulder-expanding growth, equal-diameter growth, closing growth, lifting separation and cooling. In the process of shoulder-expanding growth, the shoulder-expanding growth speed is not more than 5%-10% of the weight of the crystal, the lifting speed is 0.1-1mm / h, when the weight of the crystal is 500g-1000g, seed crystal rods are lifted up instantaneously by 2mm, and when the weight of the crystal is 1200g-1800g, the seed crystal rods are lifted instantaneously by 2mm; in the closing growth stage, after the weight of the crystal is 70%-80% of the target weight, a weight curve of the crystal becomes a wavy line, and the crystal grows for H hours continuously, and then enters the stage of lifting separation. The method provided by the invention has the beneficial effects that by adoptionof the shoulder-expanding growth process with instantaneous lifting and the closing growth process without bottom lifting, the formation and the enlargement of shoulder-part conical bubbles and bottom-part steamed-bun-shaped bubbles of the crystal are effectively relieved, the applicability to growth of large-size sapphire is achieved, and the growth quality of the sapphire crystal is improved; in addition, the shoulder-expanding process with instantaneous lifting is conductive to round growth of the crystal, cuts off a crystal boundary on the surface of the crystal, and is beneficial to improving the quality of the crystal.

The invention discloses an automatic monitoring system for high-precision soil frost heaving process, comprising a sample body, a temperature control mechanism, a water supply mechanism, a measuring mechanism, a data collecting mechanism and a seismic isolation bearing, wherein the sample body comprises an organic glass cylinder and a soil sample, the soil sample is placed inside the organic glasscylinder, and the seismic isolation bearing is connected to the bottom of the organic glass cylinder; the temperature control mechanism comprises an incubator, the organic glass cylinder is placed inthe incubator, and a temperature control top plate and a temperature control bottom plate are respectively set on upper and lower sides of the soil sample; the water supply mechanism comprises a water pump, the water outlet of the water pump is connected with a water filling pipe, and the water filling pipe extends through the temperature control bottom plate to the inside of the organic glass cylinder; the measuring mechanism comprises a temperature sensor spirally connected to the side wall of the organic glass cylinder, and a displacement meter disposed above the soil sample, and the temperature sensor and the displacement meter are connected to the data acquisition mechanism. The invention eliminates the influence of mechanical vibration and human reading error on the monitoring result, and deeply reveals the frost heaving mechanism of the soil, and the monitoring result is accurate and reliable.

The invention relates to the technical field of earphone testing, in particular to an earphone voice pickup sensor vibration test system and vibration test method, and the system comprises an upper computer, a vibration table, an acceleration sensor, a sound card, an adaptive amplifier and a power amplifier. The sound card receives signals transmitted by the upper computer and outputs the signals to the power amplifier, and the power amplifier amplifies the signals and then drives the vibration table to vibrate; the adaptive amplifier supplies power to the acceleration sensor and transmits signals fed back by the acceleration sensor to the sound card, and the sound card receives the signals and transmits the signals to the upper computer. The test method comprises the step of calibrating the vibration test system by using the delivery calibration curve of the acceleration sensor. According to the system and the test method, the acceleration sensor is used for calibrating the amplitude of the vibration table, the problem that the amplitudes of the vibration tables of multiple sets of test systems are inconsistent under the same frequency is solved, copying of the vibration test systems is facilitated, and the system and the test method have the advantages of accurate test result, high efficiency, good stability and the like and can meet batch test requirements of production lines.

The invention relates to the technical field of oral medical care and discloses an orthodontic assist device, comprising a housing and a vibrating device arranged in the same; the vibrating device isused for generating vibrations .The orthodontic assist device also includes a brace component releasably connected to the housing; the brace component includes a plurality of trays; each tray is responsible for part of a dental region. The orthodontic assist device is suitable for quickening the movement of a target tooth during orthodontic treatment in a specified manner.

The invention provides a laser, which comprises at least one pump light emitting device, an optical fiber beam combiner, a grain optical fiber, a first aligner, a mold locking device, a second aligner and an output lens, wherein a first polarization beam-splitting device is arranged between the first aligner and the mold locking device on the laser; a second polarization beam-splitting device is arranged between the second aligner and the output lens on the laser; adjacent optical devices are connected by adopting polarization-preserving optical fibers. The laser having a polarization-preserving optical fiber structure is high in stability. Linearly polarized light is transmitted through the polarization-preserving optical fibers, so that the influence of vibration on a light path caused by temperature change is avoided. Moreover, the mold locking device can be used for stably absorbing a part of energy and reflecting laser pulse generated after stable mold locking through the polarization beam-splitting devices.

The invention relates to a sensor and a preparation method thereof, in particular, a quartz crystal resonance sensor welded by using low-temperature glass solder and a preparation method of the quartz crystal resonance sensor. An existing atomic force microscope is a micro cantilever structure-based force sensor, and the micro cantilever structure-based force sensor needs a huge optical detection system, and the quality factor and sensitivity of the micro cantilever structure-based force sensor are low, and as a result, the micro cantilever structure-based force sensor cannot be applied to extreme test conditions, while, with the quartz crystal resonance sensor of the invention adopted, the above situation can be avoided. According to the quartz crystal resonance sensor welded by using the low-temperature glass solder, two or four identically-sized-and-shaped quartz crystal resonance cantilevers are welded together through the low-temperature glass solder. The preparation method of the quartz crystal resonance sensor includes the following steps that: two or four identically-sized-and-shaped quartz crystal resonators are vertically fixed on a welding table; melt low-temperature glass solder is added at welding seams through electric soldering iron; and the two or four identically-sized-and-shaped quartz crystal resonators are welded together at 320 to 375 DEG C, so that the quartz crystal resonance sensor can be obtained. With the preparation method, a quartz crystal resonance sensor can be obtained.

The invention relates to a method, system and device for monitoring harvest yield of a combine harvester, and belongs to the technical field of agricultural machinery. The method for monitoring the harvest yield comprises the steps as follows: photoelectric signals generated by a correlation type photoelectric sensor in each time period are collected according to a set time interval in the operation time of the combine harvester, the area between the photoelectric signal transmitting end and the photoelectric signal receiving end of the correlation type photoelectric sensor is the operation area of a scraper of the combine harvester, and the correlation path of the photoelectric signal transmitting end and the photoelectric signal receiving end is perpendicular to the operation path of the scraper; for each time period, the duty ratio of a high level in the photoelectric signals is determined; according to the duty ratio, the grain harvest yield in the corresponding time period is calculated; and according to the grain harvest yield in each time period, the accumulated grain harvest yield is calculated. Whether grains exist on the scraper or not is detected through the photoelectric signals, the influence of vibration of the combine harvester during operation is avoided, and the detection accuracy of the harvest yield of the combine harvester is improved.

The invention discloses a thrombus elasticity measuring device and a thromboelastogram acquisition method, and relates to the technical field of clinical detection and analysis. The thrombus elasticity measuring device comprises a micro-fluidic chip, a vibration assembly, a detection assembly and a main control assembly, wherein the micro-fluidic chip is provided with a liquid storage tank and a test channel communicated with the liquid storage tank, the test channel is provided with a quantitative tank and a test tank which are sequentially communicated, and a sample can be added into the liquid storage tank; the vibration assembly is connected with the micro-fluidic chip so as to drive the micro-fluidic chip to vibrate at a preset frequency within a preset duration; the detection assembly is used for respectively detecting a plurality of amplitudes of the sample in the test tank under a plurality of preset frequencies in each preset duration corresponding to a plurality of preset durations; the main control assembly is electrically connected with the vibration assembly, the detection assembly and the micro-fluidic chip and used for controlling the preset frequency of the vibration assembly and receiving and processing detection information of the detection assembly so as to output a thromboelastogram of the sample changing along with the preset duration and the preset frequency.

The invention discloses an anti-vibration capacitor film winding device comprising a bottom box, an elevating rod, a second sleeve rod and a supporting column. The bottom box is internally provided with a conveying belt. The elevating rod is installed on the left side of the conveying belt. A first sleeve rod is arranged in an elevating separating plate. A rotating disc is connected on the left end of a first telescopic rod, and a buffer layer is installed on the right end of the first telescopic rod. A ball bearing is arranged on the external side of the first telescopic rod. The second sleeve rod is installed on the right side of the first sleeve rod. The right end of a second telescopic rod is provided with a connecting plate, and the right side of the connecting plate is provided witha driving motor. An accommodating groove is installed below the driving motor. The supporting column is installed on the upper end of the bottom box. The external side of a rotating rod is provided with a fixing rod. According to the anti-vibration capacitor film winding device, the vibration influence in the winding process can be avoided so that replacing of the film material can be facilitatedand production of the film capacitor can be accelerated.

The invention discloses a hot pressing sintering machine for packaging a high-power semiconductor device. The structure comprises a hot pressing sintering machine, an overhaul door, a machine door, aman-machine interface and a heat radiator. The hot pressing sintering machine is composed of a machine body, a power supply device, a PLC programmable controller, a displayer and a hot pressing furnace. The PLC programmable controller can bind the wire through a wire harness mechanism so as to avoid misalignment of the wire caused by random wobbling of the wire. The wire is pressed on the conductive terminal by using the wire pressing wheel so as to avoid termination of working caused by poor contact due to the influence of external vibration on the wire during operation. When the wire is burnt out, the outer cover of the hot pressing sintering machine does not need to be disassembled and the wire does not need to be re-inserted. The servo motor drives the motor shaft to rotate, and the wire trapped under the bottom end is re-pushed into the bottom end of the wire pressing wheel by the wire feeding wheel on the motor shaft so as to save maintenance time, improve working efficiency andavoid damage to material processing.

A configuration having two drive shafts, a drive system 4 connected to one end of each drive shaft for rotationally driving the respective drive shaft, and a holding and transfer mechanism 5, 6 connected to the other end and having a holding device 5a, 6a for holding an IC, each holding and transfer mechanism 5, 6 being able to operate independently.

The invention provides a maternal-child nursing bed with a cradle. The maternal-child nursing bed comprises a queen-size bed and a cradle bed, wherein a plurality of hooks are respectively arranged on two sides of a bed plate of the queen-size bed; the cradle bed comprises the cradle and a support; the cradle comprises a cradle body; the support comprises a supporting table; a plurality of hook holes are formed in two sides of the supporting table in sequence from top to bottom; the hook holes are connected with the hooks in a hooking manner; the cradle body is movably connected above the supporting table, and a supporting shaft is fixedly connected below the supporting table; and a plurality of adjustment holes are formed in the supporting shaft in sequence from top to bottom. According to the maternal-child nursing bed with the cradle, the provided cradle can move within a small range above the support, so that a lying-in woman can pacify a baby in the bed, and the nursing bed is more convenient; the lying-in woman does not need to hold the baby, and resting of the lying-in woman is facilitated; and by the arrangement of an air cushion and a groove, the vibration influence on the baby due to shaking of the cradle can be avoided, and the maternal-child nursing bed with the cradle is more professional and humanized.

The invention discloses a plate detecting device, which comprises a detecting group, wherein the detecting group comprises two detecting assemblies. Each detecting assembly is provided with a plurality of displacement sensors; the displacement sensors in different detecting assemblies correspond to each other one by one; a gap which enables a plate to pass through is left between the two detectingassemblies; and the displacement sensors in the two detecting assemblies all face the gap between the two detecting assemblies. According to the plate detecting device disclosed in the invention, theplate passes through the gap between the two detecting assemblies, the detecting assemblies located at two sides of the plate obtain data through measurement of the displacement sensors, and throughcalculation of the data, the surface condition and the thickness of the plate can be obtained. When the device is applied to detection of a ceramic tile brick, the problem of inaccurate measurement existing in traditional manual detection can be avoided, the manual cost is reduced, no damage is caused to the ceramic tile brick, and the production quality of the ceramic tile brick can be detected efficiently in real time. The device is used in the field of plate detection.

The invention discloses a heat dissipation mechanism. The mechanism comprises a heat dissipation substrate connected with a heating component, a plurality of heat dissipation fins arranged on the surface of the heat dissipation substrate and used for natural heat dissipation, a flow channel arranged in the heat dissipation substrate and used for circulating flow of cooling liquid, and a liquid cooling distribution unit communicating with a water inlet and a water outlet of the flow channel and used for controlling the flow of the cooling liquid. The mechanism also comprises a temperature sensor in signal connection with the liquid cooling distribution unit and used for detecting the temperature of the heating component, wherein when the detection value of the temperature sensor is higher than a first target threshold value, the liquid cooling distribution unit outputs cooling liquid into the flow channel. Therefore, two heat dissipation modes including a pure natural heat dissipation mode and a natural heat dissipation and cold plate heat dissipation composite mode simultaneously exist, the configuration cost and energy consumption can be reduced on the basis of improving the heat dissipation efficiency, meanwhile, the noise and vibration influences are avoided, and the invention is more suitable for the waterproof and dustproof use environment. The invention further discloses a server, and the beneficial effects of the server are as mentioned above.

The invention discloses a gypsum homogenizing chute. The gypsum homogenizing chute comprises a chute body, a vibratory motor, a sensing rod, a supporting rod, a weight hammer, a hammer head, a stroke switch, through holes, a feeding hole and a discharging hole. The gypsum homogenizing chute disclosed by the invention has the advantages that the continuity of adding gypsum into clinker can be well controlled, the gypsum with large water content and high density is prevented from blocking an inclined-groove pipeline in an inclined groove; and the alarming can be given quickly when the gypsum flow is cut off, so that non-standard blending and homogenization of materials entering a mill is avoided.

The invention provides a flapping-wing micro air vehicle vision feedback control method, which can realize quick positioning and flight control on the flapping-wing micro air vehicle. The method comprises steps: a peripheral Kinect sensor is used to capture the motion image when the flapping-wing micro air vehicle flies; according to the captured motion image, three-dimensional space coordinates of the flapping-wing micro air vehicle are determined; and according to the deviation between the determined three-dimensional space coordinates of the flapping-wing micro air vehicle and preset three-dimensional space coordinates, the flapping-wing micro air vehicle flies according to the preset three-dimensional space coordinates. The method is applicable to the flapping-wing micro air vehicle control field.

The invention discloses a compact wireless embedded signal processor applied to a cold-rolled strip shape meter. The processor comprises a rotary head and an outer cover. An excitation power supply board, an analog acquisition board, a digital processing board and a wireless transmission board are arranged in the rotary head. An electrical connector is arranged on one end of the rotary head. The other side is in sleeve joint with an inner magnet ring. The rotary head is nested in the outer cover. A wireless receiving board, a voltage regulator circuit board and an outer magnet ring are arranged in the inner wall of the outer cover. A junction box is arranged on the outer wall of the outer cover. A communication cable and a high-frequency power supply cable are led out from the junction box. The high-frequency power supply cable is connected with the voltage regulator circuit board and the outer magnet ring through the junction box. The voltage regulator circuit board powers the wireless receiving board. The outer magnet ring powers the inner magnet ring. The inner magnet ring is connected with the excitation power supply board and powers the excitation power supply board. An excitation signal is transferred to a detection roller through the electrical connector to provide an incentive signal for the sensor. Power supply voltage of different amplitudes powers the boards on the rotary head. The compact wireless embedded signal processor provided by the invention has the advantages of simple maintenance, high reliability, strong anti-interference, long service life and the like.

The invention discloses a phase microscope imaging method based on an SHWS (Shack-Hartmann Wavefront Sensor). The phase microscope imaging method comprises the following steps: (1) collecting Hartmanngram; (2) calculating mass center distribution; (3) calculating wavefront slope; (4) reconstructing a wavefront phase; and (5) reconstructing a three-dimensional fault refractive index. According to the phase microscope imaging method, the problems of a phase microscope based on an interference method that the establishment of hardware is complicated, and a reconstruction step is complicated and a lot of noises are easily caused by vibration influence can be improved by effectively utilizing the SHWS; compared with an experiment of an existing reconstruction method, the experiment of the method according to the invention has the advantages that the hardware is greatly simplified, the reconstruction step is simplified and the vibration influences are avoided.

The embodiment of the invention provides a separated adsorption device, a microscope detection device and a laser scanning microscope, wherein the separated adsorption device comprises an outer shell,a base with a sucker, a cover glass and a moving device, the sucker is embedded into a sucker hole, and the cover glass is fixed at a sucker sealing opening to form a built-in space and an outer adsorption space; a fixed bracket of the moving device is fixed on the side wall of the outer shell, and a limiting block is relatively and slidably connected with the fixed bracket to drive a micro microscope probe to move up and down. According to the separated adsorption device, the microscope detection device and the laser scanning microscope, the outer adsorption space for adsorbing the adsorption device on skin and the built-in space for arranging the probe are formed by the outer shell, the sucker and the cover glass, so that after the device is adsorbed on skin, the micro microscope probeoutputs an internal signal and receives an external signal through the cover glass, the whole device is miniaturized, the vibration influence on the probe caused by the activity of a living body is avoided, and the micro microscope probe is simple to operate and convenient to use.

The invention relates to the field of buildings, in particular to a concrete pouring device and pouring method. The concrete pouring device comprises a movable rack, a retracting and releasing roller, a variable speed platform deck, a displacement power source, a position regulator, a vibration reduction mounting frame, a first guider and a second guider, the contact position of a second friction disc and a first friction disc can be adjusted by combining the variable speed platform deck, the displacement power source and the position regulator to use, and thus an operator can quickly adjust the retracting and releasing speed of a vibrating rod according to the vibration need of pouring; through the first guider and the second guider, the vibrating rod can move up and down steadily when being retracted and released, the concrete on the vibrating rod can be automatically removed when the vibrating rod is retracted, and the concrete is prevented from accumulating on the vibrating rod to affect the concrete pouring device vibrating at the next position.

The invention provides an ultra-static vacuum testing device and method in order to solve the technical problems that the spacecraft ground vacuum test result is inaccurate and even test cannot be performed due to vibration and jitter of a vacuum test device. According to the invention, a vacuum tank and a test vacuum tank are separated and are connected through a corrugated pipe, so that a dry pump, a molecular pump and a cryogenic pump are prevented from being directly connected to the test vacuum tank, and the vibration influence on the test vacuum tank in the operation process is avoided;through the support of an air cylinder of a first air floating platform, the test vacuum tank is enabled to be in an air floating state, and the vibration influence of the outside on the test vacuum tank is isolated; through the support of an air cylinder of a second air floating platform, an object carrying platform is enabled to be in an air floating state, so that a test product placed on the object carrying platform is in an air floating state, and the vibration influence of the outside on the test product is isolated.

The invention discloses a release film winding and recycling device with a deviation rectifying structure. The release film winding and recycling device comprises a frame, wherein vertical plates are fixedly connected to the left side and the right side of the frame; winding rods are arranged on the inner sides of the vertical plates, and the left ends and the right ends of the winding rods penetrate through the vertical plates and are movably connected with the vertical plates through bearings; and speed reducers are fixedly connected to the left sides of the vertical plates, the bottoms of the speed reducers are fixedly connected with transmission motors, and the output ends of the speed reducers are fixedly connected with the left ends of the winding rods. According to the release film winding and recycling device with the deviation rectifying structure, a rotating wheel drives a screw rod to rotate, threads on the surface are used for driving an adjusting plate to ascend, the distance between the adjusting plate and the winding rods can be increased, and stretching rollers can tension a release film wound around the surfaces of the winding rods, so that the release film is prevented from deviating due to loosening, and the problem that the percent of pass of the release film is seriously affected due to the fact that the inclined protruding part of the release film can be damaged due to transportation extrusion after the release film is wound at will due to the fact that an existing winding device does not have the effect of preventing the release film from deviating is solved.