34 results about "Sample fixation" patented technology

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 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 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 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 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.

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 relates to the technical field of clamps, in particular to a clamp for fixing a blocky sample of a table type colorimeter, which comprises a clamp main body, a sample placing cavity is arranged in the clamp main body, a square light hole is arranged at the central position of the sample placing cavity, and magnet columns are fixedly arranged on two sides of the clamp main body. Two first clamping assemblies are slidably mounted in the clamp main body, third clamping pieces are fixedly mounted on the first clamping assemblies, fixing assemblies are arranged on the two sides of the clamp main body, and second clamping assemblies are arranged on the two sides of the sample placing cavity; the problem that a sample slides off is solved by arranging the first clamping assembly and the fixing assembly, then the first clamping assembly pushes the third clamping assembly to clamp the sample together with the second clamping assembly, the problem that the sample slides off can be solved, a clamping plate can be reset after an experiment is finished, manual resetting of the clamping plate is not needed, and the working efficiency is improved. The trouble caused by manual reset is solved, and the safety of testers is guaranteed.

The utility model discloses a kind of storage devices of accomodating assay sample, including bottom box, sub-box, top box, handle, sample tray and suspension assembly, wherein bottom box is connected with sub-box, top box by multiple groups of connecting rods, handle and first connecting rod, handle connecting rod are formed into three-dimensional linkage mechanism, the synchronous unfolding and closure of sub-box and top box can be realized.Sample tray is equipped with multiple sleeve groove holes for placing sample cake, and suspension assembly is arranged on both sides of the tray, the suspension assembly includes floating frame, sleeve disc seat and base block connected with sample tray, and a floating damping structure is formed between base block and sleeve disc seat by spring.The device has the advantages of compact structure, clear storage level, intuitive batch number identification, stable sample fixation, excellent shock resistance and other advantages, and is suitable for on-site sample management and mobile storage requirements.

The utility model relates to the technical field of biochemical experiment automation equipment, and discloses a biological sample oscillation grinding machine which comprises a base and a support table installed on the base, a servo motor is installed on the base, a lifting seat is installed on the support table and arranged in a sliding bearing on the base through a guide column, and the servo motor is connected with the lifting seat. A crank wheel is connected to a rotating shaft of the servo motor, a through hole is formed in the middle of the support table, a connecting rod block is arranged below the lifting seat, the crank wheel and the connecting rod block are connected through a connecting rod to form a lifting mechanism, the lifting mechanism penetrates through the through hole in the support table, a sample fixing frame is installed on the lifting seat, and a container is arranged on the sample fixing frame. And a biological sample and crushed particles are placed in the container. The cell crusher is simple in structure and convenient to operate, driving parts are directly and uniformly controlled by an automatic system, and high-speed oscillation cell crushing is realized.

The invention relates to the technical field of scanning electron microscopes, in particular to a sample fixing device and a scanning electron microscope. The device comprises a base for fixing and a sliding table capable of being quickly disassembled and assembled. A clamping column and an elastic clamping piece are arranged on the base; the sliding table is provided with a sliding groove matched with the clamping column, and the sliding table is connected with a sample support used for containing a sample. When the sliding table slides into the base, the sliding groove and the clamping column are matched to compress the elastic clamping piece to generate elastic clamping force, and rapid locking is achieved. When a sample is replaced, the sliding table can be disassembled and assembled only by simply pushing and pulling, and the sample support can be disassembled and assembled without rotating a fastener. Rapid sample replacement without tools can be achieved, navigation memory of the sample position is achieved through the mechanical positioning structure, and the sample replacement efficiency of the scanning electron microscope is remarkably improved.

The invention provides a loading device for radioactive sample TEM-3DAP combined characterization. The loading device comprises a loading sample fixing table, a sample clamping mechanism and a guide structure, the sample clamping mechanism is used for clamping an FIB carrying net with a radioactive three-dimensional atom probe tip sample; the sample clamping mechanism comprises a first clamping part and a second clamping part, the first clamping part is arranged on the second clamping part and rotates relative to the second clamping part, and the second clamping part is arranged on the loading sample fixing table, so that the sample clamping mechanism is mounted on the loading sample fixing table; the guide structure is arranged on the loading sample fixing table and is used for guiding the FIB carrying net with the radioactive three-dimensional atom probe tip sample to slide to the second clamping part. The guiding structure and the sample clamping mechanism form a guiding and positioning integrated channel, and the sample clamping mechanism rapidly clamps an FIB carrier net with a radioactive three-dimensional atom probe tip sample, so that the sample loading difficulty is greatly reduced, and the sample loading time is shortened.

The utility model relates to water quality detection technical field, concretely is a kind of water quality sample fixing agent dropping device, it includes: box, the top surface of the box swing installation has flip cover;The inside of the box is installed with rotating structure, and the rotating structure includes rotating column, and the rotating column is swing-mounted in the inside of box by bearing, and the middle part of the rotating column is fixedly connected with lower turntable, and the outer wall on the lower turntable is fixedly installed with movable magnetic block, and the outside of the lower turntable is swing-mounted with mounting plate by bearing, and the inner wall on the mounting plate is fixedly installed with fixed magnetic block, and the surface of the lower turntable is fixedly installed with bottle seat, and the upper end of the lower turntable is fixedly connected with upper turntable.The utility model drops device special tube special, reduce the use amount of frequent replacement buret due to adding different fixing agent, reduce cost, and eliminate cross contamination, routine operation is not easy to spill, overflow, protect on-site sampling engineer, prevent the harm of acid and alkali.

The utility model relates to the technical field of electromagnetic shielding material detection equipment, and provides a ferrite measuring device which comprises a base, a first guide rail bracket, a second guide rail bracket, a sample fixing mechanism, a height and pore measuring mechanism and a right angle measuring mechanism, the sample fixing mechanism is connected with the lower end of the first guide rail support through a first action mechanism, the height and pore measuring mechanism is connected with the upper end of the first guide rail support through a second action mechanism, and the right angle measuring mechanism is connected with the upper end of the second guide rail support through a third action mechanism. According to the utility model, through multi-parameter integrated measurement, high-precision automatic control and modular structural design, the problems of low efficiency, large error, single function and the like of a traditional measurement method are effectively solved.

The utility model discloses a sample stage structure for variable temperature thermoelectric parameter test system, including sample fixed frame, the bottom of sample fixed frame is equipped with variable temperature platform subassembly, the top of variable temperature platform subassembly is equipped with insulating plate, the top of insulating plate is equipped with seebeck coefficient probe subassembly, the top of seebeck coefficient probe subassembly is equipped with sample, the top of sample is equipped with sample clamp, the utility model discloses through the cooperation of silver table, liquid nitrogen pipeline and heating rod, place sample on silver table, can conveniently realize variable temperature measurement, and gold washer installs independently, is convenient to replace, and through the cooperation of sample fixed frame, sample clamp, seebeck coefficient probe subassembly, insulating plate, variable temperature platform subassembly, insulating washer, resistivity probe subassembly and mounting screw, sample sample is pressed on seebeck coefficient probe subassembly and resistivity probe subassembly, ensures good thermal contact, and keeps the temperature consistency of sample.

The invention provides a section sample fixing method based on low-melting-point alloy, which comprises the following steps: providing a sample table which comprises a bottom plate and a side plate, and the side plate is vertically arranged on the surface of the bottom plate; molten low-melting-point alloy is placed on the surface of the bottom plate and the surfaces of the side plates, and alloy liquid drops are formed; providing a section sample, and attaching the section sample to the alloy liquid drops on the surface of the bottom plate and the surface of the side plate, so that the to-be-observed surface of the section sample faces upwards; and cooling the sample table until the alloy liquid drops are solidified so as to fix the section sample. In the application, aiming at the special fixing requirement of the chip cross section sample, alloy liquid drops are formed on the bottom surface and the side surface of the cross section sample, so that the inclination of the sample is fundamentally eliminated physically by utilizing the liquid phase self-balance effect during solidification of the alloy liquid drops, and lossless and stress-free firm fixing can be realized.

The utility model provides a sample fixing device under a microscope and a microscope system. The sample fixing device under the microscope comprises a first fixing part used for fixing a spherical sample or an approximately spherical sample; the second fixing part is used for fixing a sample with an axisymmetric structure; the third fixing part is used for fixing a regular circular ring sample or an irregular circular ring sample, and at least two of the first fixing part, the second fixing part and the third fixing part are detachably connected so as to fix different sample types; by designing three fixing parts with different functions (the first fixing part is used for a spherical sample, the second fixing part is used for an axial symmetry sample, and the third fixing part is used for a circular ring sample), the device can adapt to various samples with different shapes and sizes, and the universality and the flexibility of the sample fixing device are remarkably improved; through the design of detachable connection, a user is allowed to quickly replace or combine different fixing parts according to needs, the whole device does not need to be frequently replaced, the operation convenience and the working efficiency are greatly improved, meanwhile, through the design of detachable connection, the user can quickly replace the fixing parts to adapt to different samples, and the practicability is high. And the time wasted by replacing the device is reduced, so that the overall imaging efficiency of the microscope is improved.

The invention discloses an ultrasonic cell disruptor capable of simultaneously treating a plurality of flow type detection samples, and belongs to the technical field of ultrasonic cell disruptors, the ultrasonic cell disruptor comprises a soundproof box, a transducer is mounted at the top end of the soundproof box in a penetrating manner, and an amplitude-change pole is fixedly mounted at one end, located in the box, of the transducer; a plurality of probes are installed at the bottom end of the amplitude-change pole in a circumferential array mode, a bearing plate is arranged below the amplitude-change pole, a uniform crushing auxiliary assembly is arranged below the bearing plate, a bottom plate is fixedly connected to the bottom end of the inner wall of the soundproof box, and a multi-sample fixing assembly is arranged below the probes. And a circumferential swinging assembly is arranged below the multi-sample fixing assembly. Through the arrangement of the probe, the uniform crushing auxiliary assembly and the circumferential swinging assembly, organic combination of three acting forces of ultrasonic cavitation, microcosmic stirring and macroscopic swinging is realized, the crushing uniformity and the overall efficiency of a plurality of samples are greatly improved, and the sample crushing consistency is guaranteed.

The utility model belongs to X -ray fluorescence spectrum detection field discloses a kind of for down irradiation type X -ray fluorescence spectrometer sample fixing device, including pedestal, datum plane, spring stopper, spring, inner hexagonal bolt, slide slot, V -shaped sliding block, threaded hole A, threaded hole B, boss and lead screw.The utility model is adapted to most down irradiation type X -ray fluorescence spectrometer, easy to install and disassemble, convenient to operate, sample is easy to prepare, especially applicable to Malven Pananako X -ray fluorescence spectrometer.Height can be adjusted by rotating screw, suitable for the sample of certain size range in height.V -shaped groove used in cooperation with spring can be fixed in the cylindrical body or cuboid sample of certain size range change, solve the problem of small sample centering and moving.Pedestal uses the material quality of steel, using dead weight betterly adheres sample test surface to test surface cover.

The utility model discloses a sample polishing auxiliary device. The sample polishing auxiliary device comprises a shell, a fixing piece assembly and a heating assembly. The interior of the shell is hollow and is provided with an opening, the fixing assembly is arranged in the shell, a sample is connected with the fixing assembly through one end of the opening of the shell, the heating assembly comprises a heating device and a fixing medium, the heating device is arranged in the shell, and the fixing medium is arranged in the shell. The fixing medium is arranged between the fixing assembly and the sample, the heating device is used for heating the fixing medium, the fixing medium is solidified after being heated and melted, and the fixing assembly is fixedly connected with the sample. According to the sample grinding auxiliary device provided by the invention, the heating device heats the fixed medium arranged between the sample and the solid assembly, the fixed medium is solidified after being heated and melted, and the fixed assembly is fixedly connected with the sample, so that samples with various rules, sizes or shapes can be firmly connected with the fixed assembly and further firmly connected with the shell.

This invention provides an apparatus and method for measuring specific heat under low-temperature conditions in a strong magnetic field of a water-cooled magnet, belonging to the technical field of specific heat measurement under strong magnetic field conditions in water-cooled magnets. The apparatus includes: a sample fixing part for fixing the sample to be measured; a heater disposed on the sample fixing part for heating the sample; a temperature sensor disposed on the sample fixing part for measuring the temperature of the sample; a connecting part, one end of which is connected to the sample fixing part; a signal conversion part connected to the other end of the connecting part; a signal line passing through the sample fixing part and the signal conversion part, one end of which is connected to the heater and the temperature sensor, and the other end is used to connect to an external device through the signal conversion part; and a heat sink connected between the sample fixing part and the connecting part, the heat sink having an inlet and an outlet for the signal line to enter or exit the sample fixing part through the heat sink.

The invention relates to a sample fixing device for deep energy level transient spectrum test, which comprises a fixed base, a fixed top cover and a fixed support, the fixed top cover is fixed on the fixed base through the fixed support, the middle part of the fixed base is provided with a base groove, a sample is clamped in the base groove, and the fixed top cover is fixed on the fixed base through the fixed support. The top surface of the sample is attached to the fixed top cover, the fixed base is provided with a base spring ejector pin directly facing the back surface of the sample, the base spring ejector pin is communicated with an electrode on the back surface of the sample, the surface of the fixed top cover is provided with a plurality of top cover ejector pin mounting holes, and the top cover ejector pin mounting holes are communicated with the base spring ejector pin. A top cover spring ejector pin arranged towards the sample is mounted in one of the top cover ejector pin mounting holes, and the top cover spring ejector pin is communicated with an electrode on the front surface of the sample. A traditional probe is replaced by the spring ejector pin, the spring ejector pin can continuously abut against the electrode even if vibration exists, the influence of vibration on an electrode contact point in the experiment process can be eliminated, and the experiment success rate is increased.

This invention relates to the field of biological microscopy imaging technology, and more particularly to a sample fixation structure and slicing device. The sample fixation structure includes: a fixing member with a fixing groove formed therein for fixing the sample; and a pushing assembly including a push rod and a support member for supporting the sample. One end of the push rod is connected to the support member, so as to push the support member vertically and thus move the sample vertically. The sample fixation structure provided by this invention can fix the sample through the fixing groove formed in the fixing member. The outer wall of the sample fits against the inner wall of the fixing groove, ensuring that the sample remains stable during slicing, without deformation or shaking. During slicing, the push rod can drive the support member upward, exposing part of the sample outside the fixing groove for easier slicing, while the remaining part remains within the fixing groove. This significantly improves slicing accuracy and ensures continuous and stable slicing.

To provide a sample holder that can reduce the displacement of the sample. [Solution] The sample holder 100 is a sample holder for a sample processing apparatus that processes a sample by irradiating it with an ion beam, and includes a holder base 10, a sample holding part 20 that holds the sample 2, and a position fixing part 40 that fixes the position of the sample holding part 20. The position fixing part 40 includes a shaft 42 connected to the sample holding part 20, a first support member 44 that rotatably supports the shaft 42, and a second support member 46 that supports the first support member 44 so that it can move along an axis perpendicular to the axis of the shaft 42. By rotating the second support member 46, the second support member 46 moves along the axis of the shaft 42, fastening the sample holding part 20 and the holder base 10, and the rotation of the first support member 44 accompanying the rotation of the second support member 46 is restricted.

The utility model relates to the technical field of bearing discs, and discloses an irradiation sample bearing disc structure which comprises a disc body, a fixing assembly is arranged in the disc body, the fixing assembly comprises a plurality of sliding rails, sliding grooves are formed in the tops of the sliding rails, a plurality of sliding blocks are connected to the inner walls of the sliding grooves in a sliding mode, and the sliding blocks are arranged on the sliding rails. Clamping plates are fixedly connected between the side walls of the sliding blocks, threaded columns are slidably connected to the inner walls of the sliding blocks, rotating handles are fixedly connected to the tops of the threaded columns, protruding balls are fixedly connected to the bottoms of the threaded columns, and sliding columns are arranged on the left sides and the right sides of the protruding balls. According to the sample device, a sample is placed between the clamping plates, then the rotating handle is rotated, the protruding ball is promoted to extrude the sliding column to move, the sliding plate is tightly attached to the inner wall of the sliding groove, and the positions of the sliding block and the clamping plates are fixed, so that the effect of rapidly fixing the position of the sample is achieved, and the problem that the sample is damaged due to the fact that the sample device is not fixed is solved; and the sample fixing stability is improved.

The application provides a low-temperature sample support, which comprises a refrigeration device, a sample fixing groove and a motion mechanism, the motion mechanism comprises at least two vacuum motors, at least two transmission assemblies and at least two motion assemblies, the sample fixing groove is fixed to the motion mechanism, the sample fixing groove is connected with the refrigeration device through a heat transfer assembly, the vacuum motor drives the corresponding motion assembly to move through the corresponding transmission assembly, so that the sample fixing groove and the sample move relative to the vacuum cavity in multiple dimensions, and no relative motion is generated between the at least two vacuum motors, the influence of the gravity moment of the vacuum motor on the sample motion is eliminated by eliminating the mutual motion between the at least two vacuum motors. The heat conduction channel between the motion mechanism, the sample fixing groove and the room temperature environment is only composed of low-heat-conducting wires, so that the heat conduction between the low-temperature component and the external environment can be effectively reduced, and a lower sample temperature can be achieved.