83 results about "Sample fixation" patented technology

The utility model discloses a sample fixing device for CT (Computed Tomography) scanning, which comprises a fixing block, a bolt is sleeved in the fixing block, a placing plate is fixedly arranged on the top surface of the fixing block, a clamping component forms one part, during CT scanning, the placing plate is arranged at a position needing to be scanned so as to carry out scanning work, and during CT scanning, a sample needs to be clamped so as to clamp the sample. A sample is placed on the top surface of a placing plate, a screw is rotated, the outer wall of a sleeve block is hinged to a connecting plate, the end, away from the sleeve block, of the connecting plate is hinged to a limiting block, the limiting block and a limiting groove formed in the outer wall of the placing plate are arranged in a sliding mode, and under limitation of the limiting block, the rotating screw can drive the sleeve block to move downwards; the connecting plate pulls the limiting block to slide in the limiting groove, and the vertical plate rotatably arranged at the top of the limiting block is in a gathering movement trend, so that the sliding rod slidably arranged in the vertical plate moves along with the vertical plate, the clamping plate fixedly mounted at the end part of the sliding rod is in contact with the outer wall of the sample, and the outer wall of the sample is clamped by the clamping plate.

The utility model discloses a sample fixing device for electron probe microscopic analysis, belongs to the technical field of electron probe microscopic analysis equipment, and is used for fixing an analysis sample for electron probe microscopic analysis. According to the technical scheme, a base is a cylinder, the lower ends of two side plates are fixed to the two opposite sides of the top face of the base respectively, a plurality of sliding holes are evenly distributed in the top face of the base, a plurality of spring sleeves are embedded in the sliding holes respectively, supporting springs are placed in the spring sleeves, and the lower ends of the supporting springs are connected with the bottom face of the base in an abutting mode. The inner sides of the upper parts of the two side plates are respectively provided with two grooves, a clamping piece and the rear end of a conductive pointer are embedded in each groove, and the front ends of the clamping piece and the conductive pointer are respectively opposite to the upper end of a spring sleeve above the top surface of the base between the two side plates. The sample fixing device is simple in structure and convenient to use, and can be finely adjusted according to the shape and the size of a sample so as to adapt to samples with different shapes and sizes, so that the optimal sample fixing effect is realized, and the accuracy and the stability of an experiment are improved.

The utility model relates to the technical field of sample platforms, in particular to a sample platform with a secondary refrigerant pipeline, which comprises a support frame, a guide rail, a support plate, a cold plate and a secondary refrigerant pipeline, the guide rail is mounted on the support frame, the support plate is slidably connected to the guide rail, the cold plate is fixed on the support plate, and the secondary refrigerant pipeline is mounted on the support frame. The secondary refrigerant pipeline comprises a plurality of liquid separation copper pipes and a plurality of high-pressure hoses, the liquid separation copper pipes are connected with the high-pressure hoses respectively, the liquid separation copper pipes are evenly laid below the cold plate, the high-pressure hoses are connected with a secondary refrigerant system, the supporting frame can slide along the guide rail, and the supporting frame can slide along the guide rail before a test is started. The cold plate and the supporting frame are pulled out of the test equipment along the guide rail, a test sample is conveniently fixed to the cold plate, the test sample is placed on the cold plate and fixed, then the sample platform is pushed into the test equipment for a hot test, and the problem that an existing sample platform is fixed in the test equipment and cannot be used for a hot test is solved. And a test sample is inconvenient to place on a sample platform.

This invention discloses a semi-automatic sample preparation device and its method for testing coating bonding strength, including a support and a sample block fixing part thereon, and an automated sample block advancing part. The sample block fixing part includes a sample block placement rack and a sample block fixing block. The former is fixed to the support and has an arc-shaped first groove extending through it in a direction perpendicular to the first surface of the support, where two sample blocks are placed coaxially. The latter is located on the sample placement rack and has an arc-shaped second groove on its lower surface. One end of the sample block fixing block is hinged to the sample block placement rack, and the other end can be locked to the placement rack. A hole extends through the sample fixing block. The automated sample block advancing part includes an electric push rod and a sensing system. The electric push rod is fixed to the support via a motor mounting bracket and is used to push the second sample block toward the first surface of the support. The sensing system detects the adhesive thickness and pushing pressure to control the start and stop of the electric push rod. This invention can produce high-quality sample blocks.

The utility model discloses an industrial CT scanning sample fixing assembly convenient to disassemble, which comprises a base, the top surface of the base is provided with a first support column and a second support column which are opposite to each other, the outer surfaces of the first support column and the second support column are fixedly connected with bearings, the outer surfaces of the bearings are fixedly connected with symmetrical support rods, and the first support column and the second support column are fixed on the base. A sample is placed between the supporting plate and the pressing plate to be limited, and the gap between the supporting plate and the pressing plate can be directly adjusted by rotating the first supporting column and the second supporting column, so that the sample is convenient to remove; meanwhile, the sample can be clamped among the supporting plate, the pressing plate, the first anti-skid baffle and the second anti-skid baffle through rotation of the first supporting column and the second supporting column, and in addition, the positions of the first supporting column and the second supporting column can be adjusted on the surface of the base by directly sliding the sliding block; the device has the effect of conveniently adjusting the use position for samples of different specifications.

The utility model discloses a rapid sample mounting and dismounting device for an SBI single body combustion test, which comprises a sample vehicle fixing plate arranged on a sample vehicle, a telescopic rod hole is formed in the sample vehicle fixing plate, and a fixing frame telescopic rod matched with the telescopic rod hole is further arranged on the sample vehicle fixing plate in a sliding manner. An upper sample fixing frame is arranged at one end of the fixing frame telescopic rod, the top of the upper sample fixing frame is arranged at the top of the combustion chamber through an upper sliding assembly, and a lower sample fixing frame is arranged at the bottom of the combustion chamber through a lower sliding assembly; the lower sample fixing frame and the upper sample fixing frame are used for clamping, mounting and dismounting a sample. According to the device, the sample can be quickly clamped, mounted and dismounted, and meanwhile, the device has the advantages of being simple and convenient to mount, quick to dismount, convenient to operate and the like, so that the test efficiency can be remarkably improved, and the operation difficulty is reduced.

The utility model relates to a kind of sample fixed support device for carbon block processing, be arranged below sintering furnace, including vertical long pole, carbon block fixed in vertical long pole top and base located at vertical long pole bottom, the support frame of sintering furnace is provided below with the support frame of supporting sintering furnace, support frame is provided with the support seat capable of vertical and horizontal movement, support seat is provided with horizontal extension plate and reciprocating drive cylinder, the material receiving groove with opening upward is provided on base, the center position of material receiving groove is provided with the vertically extending center sleeve, the inside of center sleeve is provided with the arrowhead connecting piece that moves up and down under the restriction of center sleeve, the bottom of arrowhead connecting piece vertically downward passes through center sleeve and horizontal extension plate in sequence and extends to the above of reciprocating drive cylinder, in general, the utility model has the advantages of simple structure, convenient to use, high detection efficiency, effectively reduce operating risk, can continuously remove sintered part and sintering calculation result accuracy is high.

The utility model belongs to the technical field of magnetron sputtering, and discloses a substrate sample fixing clamp which comprises a tray, a plurality of pressing sheets and a screw clamping seat, a center screw hole is formed in the center of the tray, and a plurality of peripheral screw holes surrounding the center screw hole are further formed in the tray. Each screw clamping seat is in threaded connection with the central screw hole or the peripheral screw holes; and one end of the pressing sheet is fixedly connected with the screw clamping seat, and the other end is pressed on the surface of the substrate sample on the tray. The clamp disclosed by the utility model can be used for simultaneously fixing a plurality of substrate samples of the same type or different types, so that the magnetron sputtering efficiency is improved, and the accidental deviation of a result is reduced. According to the utility model, the substrate sample cannot be driven to slide due to screwing of the pressing sheet in the mounting process of the substrate sample, the damage of the substrate sample in the mounting and dismounting process is avoided, the integrity of the substrate sample is ensured, the application range is wide, the substrate sample can be quickly fixed, the operation is simple and quick, the time for fixing the substrate sample is effectively saved, and the working efficiency is improved. And the working efficiency is improved.

The application belongs to the technical field of neutron scattering, and discloses a sample rotating device. The sample rotating device is used for rotating a cuvette containing a liquid to be detected during a neutron experiment on the liquid. The sample rotating device comprises a supporting seat, a sample fixing assembly and a driving assembly. The sample fixing assembly comprises a rotating cylinder, and a worm wheel is arranged on the outer side of the rotating cylinder. The driving assembly comprises a driving motor and a worm. The driving motor is in transmission connection with the worm wheel through the worm. The worm is rotatably arranged on the supporting seat. The driving motor drives the worm to rotate. The worm drives the worm wheel to rotate and further drives the rotating cylinder to rotate. The rotating cylinder is fixedly installed with the cuvette. When the rotating cylinder rotates, the cuvette can rotate with the center of the disc surface of the cuvette as the axis. The liquid sample in the cuvette can be prevented from precipitating or being non-uniform in density during long-time measurement, so that the solute in the liquid sample can be kept in a uniformly dispersed state, and the effectiveness of small-angle neutron scattering experimental data can be ensured.

The utility model discloses an aluminum alloy ingot K mold sample detection tool, which belongs to the technical field of casting detection auxiliary equipment, solves the technical problems of low detection efficiency, high labor intensity and nonstandard detection process, and comprises a wrench and a sample fixing base. The sample fixing base is provided with a cavity, and the cavity is matched with one end of a K-shaped sample and is used for placing the K-shaped sample; the front end of the wrench is provided with a cavity, and the cavity is matched with the other end of the K mold sample. The sample fixing base is located on the surface of the heavy workbench and provided with a screw hole, the bolt is matched with the screw hole, and the base is fixedly connected with the heavy workbench through the bolt.

The utility model relates to the technical field of integrated circuit product testing, and discloses an integrated circuit product testing fixing device, which comprises a base, a bottom plate for bearing the weight of the device is arranged at the bottom of the base, a horizontally placed bearing frame is arranged at the top of a sample placing platform, and an adjusting unit comprises the sample placing platform. The sample placing platform is horizontally arranged at the top of the base and can horizontally move at the top of the base, and the platform loosening and tightening knob is installed at the top of the base and used for controlling fixing and loosening of the sample placing platform. According to the utility model, the two groups of independent sample clamps capable of moving in the Y direction and the Z direction and the sample placing platform capable of moving in the X direction are arranged, so that the device can adapt to integrated circuit products with various sizes and shapes, and the defects of low product compatibility and small fixing force of the existing sample fixing jig can be overcome; the functions of the jig are combined together, the number of the jig is reduced, and cost is saved.

The application relates to a sample fixing device and an infrared spectrometer, which comprises a main plate with a light transmission hole penetrating through the main plate along a first direction; a sample clamping piece arranged on one side of the main plate in the first direction and forming a sample clamping position between the main plate and the sample clamping piece; and two sample supporting pieces, each of which is longitudinally extended in a direction away from the main plate at the other end of the sample supporting rod along the first direction, and the side of all the sample supporting rods facing the light transmission hole forms a sample supporting position. The sample clamping piece arranged on one side of the main plate enables a small-sized sample to be fixed on the sample fixing device through the sample clamping piece, and the two sample supporting pieces arranged on the other side of the main plate enable a large-sized sample clamping piece to be directly supported on the two sample supporting pieces. Thus, the sample clamping piece and the sample supporting pieces can be used to fix samples of different sizes and shapes, and the universality of the sample fixing device is effectively improved.

The utility model discloses an AGM (Absorbed Glass Mat) device, which comprises a bracket, a laser vibration meter positioned beside the bracket, a sample fixing structure arranged on the bracket, a magnet exciting coil arranged around the sample fixing structure and a pole head piece arranged on the magnet exciting coil, and an avoiding structure used for avoiding laser emitted by the laser vibration meter is arranged on the pole head piece; laser emitted by the laser vibration meter penetrates through the magnet exciting coil and the pole head piece to irradiate the sample structure, and vibration of the sample fixing structure is detected. According to the utility model, through the avoiding structure, the vibration of the sample fixing structure can be directly detected through the laser vibration meter, so that vibration detection errors are avoided, error accumulation during calculation is reduced, and the measurement precision is improved.

The application discloses a sample fixing mechanism for nano probe testing, a nano probe testing device and a sample testing method. The sample fixing mechanism comprises a base provided with a first assembly surface; a fixer provided with a second assembly surface matched with the first assembly surface, and further provided with a fixing surface opposite to the second assembly surface, the fixing surface being used for bonding and fixing the sample; and a locking structure provided with a locked state and an unlocked state, the locking structure being capable of relatively fixing the fixer with the base in the locked state, and the fixer being capable of being removed from the base in the unlocked state. The sample is firmly pasted with the fixer after the glue is melted by high-temperature heating, then the second assembly surface of the fixer is matched with the first assembly surface of the base, the fixer is relatively fixed with the base by the locking structure, then the sample is put into a nano probe machine, nano probe testing is carried out, and testing data of the sample is obtained.

The present invention relates to the technical field of medical devices for sample storage, and particularly to a sample fixing and storage device for a pathology department, which solves the problem in the prior art of lacking a convenient-to-use sample storage mechanism for a pathology department that can reduce the volatilization of formalin. A sample fixing and storage device for a pathology department includes a sample box, and further includes: a storage box, at four corners inside the storage box, there are provided vertical limiting plates; a storage rack, the storage rack is of a hollow structure. The present invention limits the storage rack inside the storage box, and the top cover is detachably installed with the storage box to realize a storage mechanism for human samples; by blocking the one-way plate below the guiding hole, when medical staff directly place the sample box by pushing the one-way plate downward, the rest of the guiding holes are in a closed state, reducing the volatilization of high-concentration formalin solution; after the sample box is placed, the one-way plate automatically resets, improving the convenience of using the sample storage mechanism.

The invention discloses a sample holder assembly and a sample characterization method, the sample holder assembly comprises: a first female sample holder, which is provided with a first clamping groove; a second clamping groove is formed in the second female sample holder; the sub-sample support is detachably inserted into the first clamping groove or the second clamping groove, and the sub-sample support comprises a bearing part for fixing a metal single crystal sample; and the fixing part is detachably mounted on the side wall of the first female sample holder and is used for fixing the sample to be characterized between the side wall of the first female sample holder and the fixing part. According to the sample holder assembly, the metal single crystal sample for needle repairing and the sample to be characterized are fixed on a combined sample holder at the same time, and the characterization efficiency is improved.

The embodiment of the utility model provides a sampling and demolding device which comprises a follow-up seat and a cutting die, the follow-up seat and rubber move synchronously, the cutting die is fixed to the follow-up seat and used for cutting the rubber to form a sample piece, and a containing space used for containing the sample piece is formed in the cutting die. The limiting assembly is used for limiting the sample piece in the accommodating space; the die stripping head is positioned in the cutting die and can move relative to the cutting die; and the driving mechanism is used for driving the die stripping head to move in the cutting die and pushing the sample sheet out of the accommodating space. According to the technical scheme, the follow-up seat can synchronously move along with the rubber, the rubber is sampled through the cutting die, and meanwhile, the sample can be adsorbed through the limiting assembly in the cutting die, so that the sample is fixed in the cutting die, and then when the cutting die moves to the position for placing the sample through the follow-up seat, the sample can be placed in the cutting die. And the driving mechanism drives the die stripping head to take out the sample from the cutting die, so that the rubber can be sampled without shutdown.

The utility model discloses a sample fixing device for XRF (X-Ray Fluorescence) detection of a brake lining, and belongs to the technical field of XRF detection. The sample fixing device used for XRF detection of the brake lining comprises a sample cup and further comprises a supporting plate used for supporting a sample piece, a detection hole is formed in the sample cup, a bottom plate is arranged in the detection hole in a lifting mode, a first spring is fixedly arranged between the bottom plate and the supporting plate, and a second spring is fixedly arranged between the bottom plate and the supporting plate. A lifting part for driving the bottom plate to lift is arranged in the sample cup; the upper cover is in threaded connection with the top of the sample cup; a transparent plate is arranged on the upper cover; according to the utility model, the bottom plate drives the supporting plate and the sample piece to be linearly close to the transparent plate, so that the rotation between the sample piece and the transparent plate can be avoided, scratches on the transparent plate can be reduced, the service life of the transparent plate is prolonged, and the accuracy of detection data is improved.

The utility model discloses a laboratory sample recovery device, which relates to the technical field of automatic recovery of powder detection samples, and particularly comprises a box body, a rotating track is arranged at the top of the box body, sample fixing structures are uniformly arranged on the outer side wall of the rotating track, a recovery cavity is arranged on one side of the box body, and the recovery cavity is communicated with the box body. A sample recycling box and a sample bag recycling box are placed in the recycling cavity, the top of the recycling cavity is fixedly connected with a water spraying plate, the top end of the recycling cavity is connected with a first electric telescopic rod through a translation structure, the other end of the first electric telescopic rod is fixedly connected with a storage basket, and a filter screen plate is arranged at the bottom of the storage basket. According to the laboratory sample recovery device, after all samples are detected, sample packaging bags needing to be abandoned are cut, scattered samples enter the sample recovery box, unattended recovery is achieved, the samples are recovered in the sealed cavity, and harm of dust to human bodies is relieved.

The application discloses a sample wheel for optical metrological verification, which comprises a supporting mechanism, a rotating mechanism, a translation mechanism and a control unit; the supporting mechanism comprises a base, a sample wheel support and a sample wheel; the bottom of the sample wheel support is fixed on the base, and the sample wheel is arranged above the sample wheel support through a rotating shaft; a plurality of sample chambers are arranged on the outer edge of the sample wheel, and a sample fixing device is arranged in each sample chamber; the rotating mechanism comprises a stepping motor, and the stepping motor drives the sample wheel to rotate; the translation mechanism comprises a hydraulic device and a slide rail; one end of a hydraulic rod of the hydraulic device is hinged to the base, and the other end of the hydraulic rod is arranged on the rotating shaft through a sleeve, and the hydraulic rod is controlled to stretch and retract by the control unit; a bearing is arranged between the sleeve and the rotating shaft, and gears are arranged at the two ends of the bearing; the bottom of the slide rail is embedded into a horizontal sliding groove at the top of the sample wheel support, and a rack meshing with the gears is arranged on the top of the slide rail along the sliding direction. The application can avoid the influence of manual sample replacement on the measurement result, avoid the influence of the sample measurement position on the measurement result, has high working efficiency and accurate measurement data.

The utility model discloses a sampling device for food safety detection, which comprises a support table and a sampler, a fixing component for fixing a sample to be detected is arranged on one side of the support table, and the sampler is rotatably arranged in the middle of the upper surface of the support table through a rotating component. According to the utility model, the two groups of rolling brushes are arranged to clean the sampled sampler, and then a cleaning agent is sprayed to the sampler through the spray head, so that the cleaning efficiency is improved, and waste water after cleaning is discharged through the filter plate and is prevented from being accumulated in the splash-proof cover to influence the subsequent cleaning of the sampler; meanwhile, the sampler is rotationally arranged on the surface of the supporting table through the rotating assembly, so that the sampler is driven by the rotating assembly to sample a sample placed in the placing groove, then the sample is rotated to the detection table to monitor the sample, then the sampler is rotated to the cleaning assembly to be cleaned, manual sampling and cleaning are not needed, and the detection quality is improved.

To provide a jig which can attach a sample to a sample holder easily.SOLUTION: A jig 100 is used to attach a sample to a sample holder for a sample processing device which radiates an ion beam to the sample through a shield to process a portion of the sample which protrudes from the shield. The jig includes: a support part 20 for supporting the sample holder attached with the shield; and a guide 30 including a rail 34 and a slider 32 which may move along the rail 34 and moves the sample to the sample holder.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of nondestructive testing equipment, and provides a vacuumizing sample fixing device which comprises a base, a sample platform, a first vacuum frame and a second vacuum frame, the sample platform is arranged above the base; the sample platform is provided with a first platform and a second platform; the second platform is located on the inner side of the first platform, and the second platform is lower than the first platform; a first air groove is formed in the first platform, and a second air groove is formed in the second platform; a first air hole and a second air hole are formed in the sample platform, the first air hole is communicated with the first air groove, and the second air hole is communicated with the second air groove; the first vacuum frame is mounted on the first platform; and the second vacuum frame is mounted on the second platform. According to the utility model, samples are adsorbed by vacuumizing, the surfaces of the samples can be protected, the samples can be quickly replaced, and the device is suitable for fixing circular samples with different sizes.

This invention provides a magnetic testing device. The device includes: a mounting frame; and a sample fixing structure mounted on the mounting frame. The sample fixing structure includes a sample rod and a sample holder, connected to the sample rod. The sample holder includes a main body and a clamping structure mounted on the main body. The clamping structure includes at least two clamping members arranged opposite each other along a first direction, forming a sample clamping space between the at least two clamping members. This invention solves the problem that when using existing sample fixing structures for magnetic testing, the sample easily slips off the glass slide when the sample holder resonates with the sample fixing structure.

The utility model discloses a filamentous sample fixing clamp for detection of a spark spectrometer, which comprises a frame sleeve and a sample frame, and the height of the sample frame is greater than that of the frame sleeve; the sample rack is composed of a handle and an outer cylinder, and the outer surface of the outer cylinder is provided with a rectangular through hole and a sample table which is formed by the rectangular through hole and used for placing a filamentous sample; the frame sleeve is connected with the outer cylinder of the sample frame and is pressed downwards to fix a filamentous sample placed on the sample table, the fixture can effectively fix the filamentous sample, such as an iron wire, with the diameter being less than or equal to 3.5 mm and even less than or equal to 1 mm, the position of the sample is ensured to be stable in the excitation process, and the detection precision is improved; the sealing cover is arranged, and the cavity is designed to be small in size, so that a closed argon gas environment can be quickly formed during use, inert gas shielding gas leakage is avoided, a pure atmosphere required by excitation is met, and the excitation quality is improved.

The present invention relates to the technical field of pressurized water type nuclear power station reactor top structures, and provides a reactor internal irradiation sample holder structure for shielding fast neutrons, the reactor internal irradiation sample holder structure comprises a bottom plate and a cover plate, one side of the cover plate is provided with an accommodating groove, the cover plate and the bottom plate are connected through a fastener so as to fix an irradiation sample between the accommodating groove and the bottom plate, the bottom plate comprises a base body, a shielding plate and a sealing plate, a groove is formed in one side of the base body, the sealing plate is fixedly connected with the base body and seals the groove, and the shielding plate is placed in the groove. According to the invention, the neutron irradiation dose of the irradiation sample can be adjusted by replacing the shielding plates with different shielding effects, so that the adjustment of the lead factor is realized.

The invention discloses rotary type opening and closing product automatic experiment detection equipment, which comprises a three-section adjustable connection transmission assembly, a sample installation platform, a support rack, a three-dimensional six-direction adjusting mechanism and a control unit, and is characterized in that the three-section adjustable connection transmission assembly comprises a first sample fixing section, a second front-back adjusting section and a third up-down adjusting section; one end of the first sample fixing section is connected with the second front-and-back adjusting section through a movable screw, the other end of the first sample fixing section is connected with a sample placed on the sample mounting platform for applying rotating force and testing, one end of the second front-and-back adjusting section is connected with the first sample fixing section through a movable screw, and the other end of the second front-and-back adjusting section is connected with the third up-and-down adjusting section through a movable screw; one end of the third up-and-down adjusting section is connected with the second front-and-back adjusting section through a movable screw, and the other end of the third up-and-down adjusting section is clamped and fixed with the three-dimensional six-direction adjusting mechanism, so that the problems of low efficiency, insufficient precision and poor flexibility in the testing process in the field of electrical control and switch equipment are solved, manual intervention is reduced, and the testing efficiency is improved.