165results about "Lab clamping means" patented technology

The invention relates to the technical field of medical cell culture, and discloses a medical experiment cell culture device which comprises a culture box, an electric push rod is fixedly connected to the lower surface of the culture box, a supporting plate is fixedly connected to the output end of the electric push rod, and a first connecting column is fixedly connected to the outer wall of the supporting plate; a first partition plate is fixedly connected to the inner wall of the incubator, a sliding groove is formed in the first partition plate, the outer wall of the first connecting column is slidably connected to the inner wall of the sliding groove, and a movable frame is rotatably connected to the outer wall of the first connecting column. The electric push rod is started to drive the supporting plate to move up and down, and then the connecting column drives the moving frame to move synchronously. The movable frame drives the transmission plate to move upwards, the frame plates at the two ends are pulled or pushed to move relatively through the fixing columns, then the closing plate is driven to be opened and closed, meanwhile, the placing frame can be moved into a test box or stored into a culture box, operation convenience and efficiency are improved, and the risk that the culture environment is polluted by manual taking is avoided.

The invention relates to the technical field of cleaning equipment, in particular to an underwater cavitation jet observation experiment device and method based on a triangular reflector, and the device comprises a jet control device, an impact observation device, a plurality of light source assemblies and a high-speed camera. The spraying control device comprises a nozzle, and external high-pressure water flow is sprayed out downwards from the nozzle after passing through the pump pipe; the impact observation device comprises a clamping device. The clamping device comprises a triangular prism reflector and a support used for placing the triangular prism reflector. A shot picture of the high-speed camera can simultaneously comprise a free jet flow area and a jet flow impact area reflected by the triangular prism reflector. According to the double-angle free cavitation jet flow observation device, the three-edged reflector is utilized, cavitation flow evolution of a free jet flow area of cavitation jet flow and a jet flow impact area reflected by the three-edged reflector can be observed at the same time, and double-angle free cavitation jet flow observation is achieved.

The invention discloses a device and method for detecting saturation pressure through a near-infrared technology, and relates to the field of fluid saturation pressure detection. The device for detecting the saturation pressure through the near-infrared technology comprises a moving unit, a storage unit and a detecting unit, wherein the storage unit moves through the moving unit; the detection unit comprises a detection frame, a pressure adjusting mechanism, a clamping mechanism and an observation mechanism. According to the device and method for detecting the saturation pressure through the near-infrared technology, when the device is used, the output end of a driving air cylinder stretches, so that a clamping mechanism automatically clamps a storage unit, after clamping is completed, a pressure adjusting mechanism automatically completes gas circuit connection with the storage unit, an observation mechanism can be automatically in place and prepare for observation, and after detection is completed, the storage unit can be automatically adjusted. Along with the contraction of the output end of the driving cylinder, the clamping mechanism and the pressure adjusting mechanism are separated successively, then the observation mechanism is reset, and the moving unit automatically replaces the storage unit, so that the whole detection process is full-automatic, more convenient and time-saving.

A gripper for moving a microtiter plate (190) using a robot arm (100) comprises a finger bodies (310), finger cantilevers (330), and resilient strips (370) so as to accommodate for inacurracies of the robot arm (100). The invention also relates to a method for moving a microtiter plate (190) with a robot arm (100) with improved reliability comprises the use of said gripper comprising two fingers (300) comprises independent of the other finger (300) a primary element chosen from i) a protrusion and ii) a cut-out capable of receiving the protrusion, and the MTP (190) comprising a secondary element that is the other of the primary element, and grabbing the plate (335) such that the primary and secondary element engage.

The invention belongs to the technical field of viscosity detection, and discloses a coating viscosity detection adjusting device which comprises a base, a mounting rod fixed at the top end of the base, a viscosity measuring instrument fixed at the top end of the mounting rod, a lifting mechanism fixed at the top end of the base, and a clamping mechanism mounted at the top end of the lifting mechanism. Through cooperation of structures such as a supporting seat, a first supporting rod and a first connecting rod, the device can start a servo motor to drive a screw rod to rotate when the height of a to-be-tested sample needs to be adjusted, so that the screw rod drives a second connecting seat to move; a first connecting rod and a second connecting rod are contracted or unfolded by changing the position of a second connecting seat, and a third connecting rod and a fourth connecting rod at the top end are synchronously folded at the same angle, so that the heights of a top-end top plate and a to-be-tested sample at the top end of the top plate are changed, and the to-be-tested sample is lifted; therefore, the purpose of improving the detection efficiency by quickly adjusting the height of the sample to be detected by the device is achieved.

The invention discloses an intelligent glassware storage cabinet with recognition, classification and detection functions, and relates to the technical field of experimental facilities, the intelligent glassware storage cabinet comprises a glassware storage unit, a recognition and detection unit, an object taking and conveying unit and a control unit, and the glassware storage unit is installed in a storage cabinet body. The profiling groove of the memory sponge lining of the glass instrument storage unit is matched with instruments of the same type and multiple specifications, the pressing assembly achieves dynamic pressing through the micromotor and the pressure sensor, and the complexity of manually replacing a mold is avoided. The recognition and detection unit fuses a visual camera and a four-way ultrasonic detection module, accurate judgment of instrument types is achieved through visual recognition, an ultrasonic probe scans the interior of the instrument from the front, back, left and right faces, and hidden damage such as microcracks can be detected. The object taking conveying unit conveying belt achieves efficient linkage of a storage area and an object taking area, the object taking time of a single instrument is greatly shortened, the concentrated object taking efficiency of instruments of multiple specifications is improved, and the wrong taking rate is reduced.

The invention discloses an intelligent underground water quality monitoring device and method, and relates to the technical field of water quality monitoring, the intelligent underground water quality monitoring device comprises a shell and a draw-off pump, a connecting column is mounted on the draw-off pump, and a supporting assembly is arranged on the outer side of the connecting column; the supporting assembly comprises a sleeve shell, an electric push rod, a movable ring, a sliding block, a supporting rod, a limiting rod and a contact block, the sleeve shell is installed on the outer side of the connecting column, and the electric push rod is installed on the outer surface of the sleeve shell through a support. The contact block extrudes the inner wall of the vertical shaft, the device is stably fixed in the vertical shaft and adapts to vertical shafts of different sizes, data accuracy and stability are guaranteed, meanwhile, the connecting column and the sleeve shell are matched through the rotating ring, the first spring and the fixing bead, flexible rotation can be achieved, the direction of the draw-off pump can be adjusted according to the underground water flow direction, the turbofan directly faces the water flow, and the flow speed monitoring accuracy is improved.

The invention relates to a detection device and a detection method of an air filter, which are applied to the field of quality detection, during detection, a lead screw is matched with a detection piece, the integrity of a filter element is pre-detected through wind speed uniformity, and then a smoke dust test is started; detecting whether nodes which are suddenly increased appear or not by using a movable detection piece so as to judge whether the filter element has non-penetrating cracks or not; after detection, automatic cleaning is achieved through a dust collector and a rotatable sealing plate, an electric extension rod is adopted for adjusting an eccentric sealing plate for dynamic sealing compensation according to filters of different sizes, the device further comprises a stirring piece for accelerating smoke flocculation and sedimentation, and a detection control system achieves automatic operation; the problems of damage interference, residual smoke influence, poor size adaptability and the like in traditional detection are effectively solved, and the detection precision and efficiency are remarkably improved.

To provide a laboratory system for monitoring a reference point of a laboratory device.SOLUTION: A laboratory system comprises a first laboratory device comprising a first reference point, a second laboratory device comprising a second reference point, and a coupling element. The coupling element couples the first reference point and the second reference point. The coupling element comprises a detectable part adapted to be moved between a starting position and at least one detection position when a relative position of the first reference point and the second reference point to each other changes. The laboratory system further comprises a sensor configured to detect the detectable part of the coupling element in the at least one detection position. In addition, a method of operating the laboratory system as described is disclosed.SELECTED DRAWING: Figure 1A

The application discloses a slice rack, which comprises a slice rack body, a plurality of slice grooves are arranged on the slice rack body, a horizontal rectangular coordinate system is arranged and comprises an X direction and a Y direction, two opposite sides of the X direction are arranged as a first X direction side and a second X direction side, two opposite sides of the Y direction are arranged as a first Y direction side and a second Y direction side, a clamp jaw is arranged on the first Y direction side and the second Y direction side in each slice groove, one end of the clamp jaw is a connecting end connected with the slice rack body, the connecting end of the two clamp jaws in each slice groove is located on the first X direction side of the X direction in the slice groove, the other end of the clamp jaw is a free end and faces the second X direction side of the slice groove, and the clamp jaw can be bent and deformed around the connecting end of the clamp jaw. The slice rack has a simple structure, can be integrally formed by molding, is convenient to install the slice, and is convenient, fast and reliable in slice installation.

The application belongs to the technical field of RNA extraction devices, and particularly relates to an ep tube rack for RNA extraction, which comprises an ep tube rack body, a controller, a placing hole, a sucking assembly and a shaking assembly. A plurality of rows of placing holes with different specifications are formed in the ep tube rack body. The sucking assembly comprises a clamping ring, a fixing frame, a fixing column and a stabilizing frame. The fixing frame is fixed to one side of the front end of the ep tube rack body. The fixing columns are rotatably connected to the adjacent surfaces on the upper ends of the two fixing frames, and the fixing columns are damping shafts. The clamping ring is fixed between the two fixing columns. The stabilizing frame is fixed to the middle of the front end of the ep tube rack body. The application solves the problem that if the experimenter shakes hands, the upper layer of colorless water phase is easily transferred to a new ep tube after centrifugation, which can cause experimental failure.

To provide a suitable locking assembly for a measuring system.SOLUTION: The present disclosure is directed in one aspect to a lock assembly for securing a sample tube assembly to a sample manifold of a measurement system. The locking assembly includes a ramp block having one or more slots defined therein and configured to at least partially receive a portion of a sample tube assembly. The ramp block also includes a plurality of surface features defined therealong and configured to engage and move the sample tube assemblies toward and into engagement with the sample manifold. The lamp block is further movable between a plurality of positions, including an open position for allowing the sample tube assemblies to be received through the one or more slots or openings, and a closed position that substantially seals the sample tube assemblies against or within the sample manifold. Other aspects are also described.SELECTED DRAWING: Figure 1

The invention discloses a fixing clamp and a clamping method for a silicon carbide crucible, and relates to the technical field of crucible clamping. The device comprises a power-assisted mechanical arm, a clamping assembly and a detecting and cleaning assembly, before a crucible is clamped, a rotary mounting plate moves, a cleaning brush and a supporting round rod on one side of the rotary mounting plate make contact with an elastic clamping plate, the elastic clamping plate moves in the direction close to the crucible to drive the rotary mounting plate to move, and the crucible is clamped; the cleaning brush on the other side of the rotating mounting plate and the supporting round rod make contact with the surface of the crucible, the elastic clamping plate stops moving, at the moment, the elastic clamping plate is a bent arc-shaped plate, the rotating mounting plate moves in the side face direction of the elastic clamping plate, and the rotating mounting plate drives the cleaning brush to move; the cleaning brushes on the two sides of the rotating mounting plate are used for cleaning the side face of the elastic clamping plate and the surface of the portion, making contact with the elastic clamping plate, of the crucible, and impurity particles are prevented from being attached to the side face of the elastic clamping plate and the surface of the crucible and scratching the crucible during clamping.

The invention discloses an automatic control chemical experiment reaction device which comprises a back plate, a clamping assembly, a stirring assembly and an injection thruster, the clamping assembly is fixedly connected to the back plate, the stirring assembly is placed on the front side of the back plate, the position of the stirring assembly is matched with that of the clamping assembly, and the injection thruster is placed on one side of the back plate. A driver and a controller which are fixedly connected with the back plate are arranged on the back plate, the controller is in electric signal connection with the driver, and the driver is in electric signal connection with the clamping assembly, the stirring assembly and the injection propeller; according to the device, by adopting a modular motor driving system, a plurality of assemblies with different functions are coordinated and dispatched, so that the steps of automatic clamping, heating and stirring, reagent injection and the like of a reaction container are sequentially completed by each assembly according to a preset program, the defects existing in manual operation in the whole process are greatly reduced, and the production efficiency is improved. A large amount of time can be saved, and meanwhile the implementation efficiency and repeatability are indirectly improved.

The invention discloses a thermomechanical analyzer, and relates to the technical field of thermomechanical analys.The thermomechanical analyzer comprises a base, a lifting assembly, a first testing mechanism, a second testing mechanism, a clamping mechanism and a furnace body, the lifting assembly is installed on the back face of the base, the first testing mechanism is installed at the top of the lifting assembly, and the second testing mechanism is used for annular shooting of a sample; the clamping mechanism is installed at the bottom of the first testing mechanism, and the furnace body is installed in the middle of the base. The arrangement mode that the first testing mechanism, the second testing mechanism and the clamping mechanism are matched is utilized, so that the clamping mechanism can conduct point contact of different degrees according to the shapes of different samples, and the influence of the clamp on the temperature of the samples can be reduced; the sample can be subjected to mechanical pressurization testing and thermal expansion shooting comparison by the first testing mechanism and the second testing mechanism, so that the material performance of the sample can be conveniently and accurately tested, and the furnace body can conveniently perform thermal method testing on the samples with different shapes.

The application discloses a kind of quick temperature change damp heat test device, belong to temperature change damp heat test technical field, including test box, the bottom wall of the test box is slidably installed with placing plate, the bottom wall of the test box is rotatably installed with annular plate, the top wall of the annular plate is fixedly installed with mounting ring, the top wall of the mounting ring is uniformly fixedly installed with gas rod.This scheme passes impeller, in the process of air flow flow direction annular groove will blow impeller rotation, in the process of impeller rotation annular plate is driven to rotate, then in the process of annular plate rotation through mounting ring gas rod is driven to rotate, at the same time, when airflow passes through communication pipe, airflow will flow to gas tank through communication pipe, and flow to vertical groove through gas tank, then blow to the product to be measured through the air hole on vertical groove, so that the efficiency of the product to be tested can be improved uniformly heated, cold and wet, improve the efficiency and accuracy of test.

To provide a method for handling an in-vitro diagnostic (IVD) container, such as sample tubes or reagent cartridges, in a laboratory.SOLUTION: An automated method for handling an in-vitro diagnostic IVD container (30) in an IVD laboratory (1) is proposed. The method comprises at least steps of measuring at least one physical quantity of an IVD container (30), storing the at least one physical quantity in a read-writable data carrier (50) attached to the IVD container (30), and retrieving the at least one physical quantity from the read-writable data carrier (50) attached to the IVD container (30).SELECTED DRAWING: Figure 2

The present invention relates to a device for precise quantitative pipetting and liquid dispensing, which comprises a liquid processing module and a quantitative loop liquid sampling module. The liquid processing module includes a sampling needle, a lifting motor, a rotating motor and a centering mechanism. The centering mechanism is used for placing a liquid container. The sampling needle sucks the solution from the liquid container. The lifting motor controls the up-and-down movement of the sampling needle through a lead screw, and the rotating motor controls the horizontal movement of the sampling needle through a swing arm. The quantitative loop liquid sampling module includes two switching valves and a plurality of quantitative loops. A plurality of outlets of the first switching valve are respectively connected to a clean air source and a plurality of quantitative loops, and the inlet is connected to the sampling needle. A plurality of outlets of the second switching valve are respectively connected to a first discharge port and a plurality of quantitative loops, and the inlet is connected in parallel to a liquid pump and a clean air source. The inlet of the cleaning pool is connected to a cleaning liquid pipeline. The inlet of the drying pool is connected to a clean air source. By switching through the switching valve and the conversion of the sampling needle among the liquid container, the cleaning pool and the drying pool, quantitative sampling, cleaning of each passage, liquid discharge and drying are realized.

The invention relates to the technical field of cell detection, and discloses an immune cell detector and a detection method.The immune cell detector comprises a reaction disc, a plurality of clamping frames are arranged on the reaction disc in a circumferential array mode, reaction cups are placed in the clamping frames, a surrounding plate is coaxially installed on the outer side of the reaction disc, and an air cylinder is arranged in the detection direction of the surrounding plate; a detection clamping plate is fixedly installed at the telescopic end of the air cylinder, a car frame is rotationally installed on the surrounding plate, the detection clamping plate and the car frame are intermittently clamped, a machine shell is arranged in the center of the reaction disc, a hydraulic cylinder is installed on the machine shell, a driving clamping plate is arranged at the telescopic end of the hydraulic cylinder and corresponds to the detection clamping plate, and a beating plate is rotationally arranged on the machine shell. A beating assembly is further arranged on the machine shell. According to the scheme, different stages can be detected, transferring and clamping of the reaction cup are automatically achieved, detection and automatic discharging are carried out in the stable state, and detection is more automatic.

The application is a grading combination variable diameter beaker rack for heating glassware in a water bath, which belongs to the grading combination variable diameter beaker rack for protecting glassware from swinging. The rectangular frame of the beaker rack has two lateral partition bars and front and back frame bars. Each partition bar is provided with vertical positioning holes from the upper surface to the lower surface, and the lateral surface of the partition bar is provided with a sliding groove. The frame bar is provided with a frame bar threaded horizontal hole. The lateral surface of the sliding block in the frame is provided with a horizontal hole. A rotating rod is arranged in the frame bar threaded horizontal hole and the horizontal hole. The spherical end of the rotating rod is connected with a clamping device. The spherical segment shaped universal shell of the clamping device is fixedly connected with the back surface of the slot of the arc-shaped short tube. The flexible rubber strip is embedded in the slot of the arc-shaped short tube. The part of the flexible rubber strip outside the slot is used for flexible contact with the glassware. The problem of damaging the glassware due to the lack of a device for fixing the glassware in the water bath is solved. The problem of clamping and fixing various glassware with large diameter changes in the water bath is also solved.

The present invention discloses a filter element integrity testing device, which belongs to the field of filter element testing. A filter element integrity testing device includes a test water tank and a video microscope fixed on the top of its side wall, and also includes a lifting sleeve, the top of the side wall of the test water tank is fixedly connected to an electric push rod, the lifting sleeve is fixed to the bottom of the telescopic end of the electric push rod, and both sides of the lifting sleeve are slidably connected to a clamping rod; the present invention drives the filter element as a whole to rotate in the liquid through the friction between the driven wheel and the driving wheel, so that the filter element is fully immersed, ensuring the accuracy of the filter element integrity test, and at the same time, with the setting of the push-pull disk, push-pull rod and piston plate, gas can be continuously filled into the filter element. At this time, the low-pressure area on the top of the filter element is detected in real time by using the video microscope, and the bubble distribution on its surface is observed to evaluate the integrity and filtration accuracy of the filter element, thereby improving the test effect.

A system (10) for the ultrasonic preparation of samples includes an ultrasonic horn (14) having a face (16), a support bracket (22), and a rack (24). The support bracket includes first and second portions (42, 44) moveable with respect to each other, such that movement between the two varies a distance between the rack and the horn face. The first and second portions are securable with respect to each other, such that the distance between the rack and the horn face can be maintained. A spacer (60) having a dimension equal to a target distance between the rack and the horn face is positioned between the rack and horn face such that the first and second portions are moved with respect to each other until the target distance is achieved, the first and second portions are secured with respect to each other, and then the spacer is removed.

A clip (1) for holding a microfluidic device (50) having a substantially planar bottom surface (51) and a substantially planar top surface (52), the clip comprising: a base (20) having a support surface (21) for supporting the bottom surface (51) of the microfluidic device (50); a cover plate (30) for holding the microfluidic device (50) on the support surface (21) of the base (20); a hinge (40) for connecting the cover plate (30) to the base (20) to rotate the cover plate (30) about a hinge axis (41); a pressure plate (31) mounted to the cover plate (30) for relative rotation about an axis of rotation (32) extending parallel to the hinge axis (41), the pressure plate (31) having an abutment surface (33) for engagement with a top surface (52) of the microfluidic device (50); and a clamping mechanism (61) for releasably securing the cover plate (30) to the base (20) for compressively holding the microfluidic device (50) between the support surface (21) and the abutment surface (33). The rotatable pressure plate (31) is pressed flush on the top surface (52) of the microfluidic device (50) such that the compression exerted by the clamp (61) on the microfluidic device (50) is more uniform.

A laboratory system for monitoring reference points of a laboratory apparatus. This disclosure relates to a laboratory system for monitoring reference points of a laboratory apparatus. The laboratory system includes: a first laboratory apparatus including a first reference point; a second laboratory apparatus including a second reference point; and a coupling element. The coupling element connects the first reference point and the second reference point. The coupling element includes a detectable portion adapted to move between a starting position and at least one detection position as the relative positions of the first and second reference points change relative to each other. The laboratory system further includes a sensor configured to detect the detectable portion of the coupling element at the at least one detection position. Furthermore, a method of operating the laboratory system is disclosed.

The low-temperature protection white matter clamping tweezers comprise a left tweezers arm (1) and a right tweezers arm (1), semiconductor chilling plates (2) are installed on the inner sides of the tweezers arms (1), and the temperature of the tweezers is reduced through the semiconductor chilling plates (2). Wherein a suction tube (4) of a negative pressure suction device is installed in one forceps arm (1), the suction tube (4) extends to the forceps tip (3), a negative pressure suction hole (33) is formed in the inner side wall of the upper half portion of the forceps tip (3), and when white matter is clamped, the negative pressure suction device is started to adsorb the white matter on the upper portion of the forceps tip (3). The semiconductor chilling plates in the forceps arms can maintain the temperature of the forceps tips at 4 DEG C, tissue metabolism damage in the material taking process is reduced, a negative pressure adsorption mode is provided, the tips are provided with negative pressure suction holes to be connected with an external negative pressure device, tissue is clamped after being gently adsorbed and fixed, and the risk of mechanical damage is reduced.

The invention provides an environmental test box which comprises a box body assembly, a semiconductor refrigeration assembly, a test clamp assembly and an operation control assembly, the semiconductor refrigeration assembly is arranged at the top of the box body assembly, the test clamp assembly is arranged above the semiconductor refrigeration assembly, and the operation control assembly is arranged above the test clamp assembly. The device has the beneficial effects that the operation control display screen on the operation control assembly is electrically connected with the test fixture, so that the channel operation state of the test fixture is displayed in real time through the operation control display screen, and a worker can conveniently observe and analyze the channel operation state; networking of a network port of the environment test box and external battery detection equipment is realized, so that test fixtures of multiple channels can be simultaneously connected with control battery detection equipment, uniformity of temperature change in the test box can be realized, accuracy of sample test results is guaranteed, and the environment test box is small in size, high in temperature control precision, low in energy consumption and high in compatibility.

Embodiments disclosed herein are directed to microfluidic devices that allow for scalable on-chip screening of combinatorial libraries and methods of use thereof. Droplets comprising individual molecular species to be screened are loaded onto the microfluidic device. The droplets are labeled by methods known in the art, including but not limited to barcoding, such that the molecular species in each droplet can be uniquely identified. The device randomly sorts the droplets into individual microwells of an array of microwells designed to hold a certain number of individual droplets in order to derive combinations of the various molecular species. The paired droplets are then merged in parallel to form merged droplets in each microwell, thereby avoiding issues associated with single stream merging. Each microwell is then scanned, e.g., using microscopy, such as high content imaging microscopy, to detect the optical labels, thereby identifying the combination of molecular species in each microwell.

A forceps holding device according to exemplary embodiments of the present invention comprises: a forceps mounting unit in which at least a portion of forceps is inserted and mounted; and a storage space connected to the forceps mounting unit and accommodating contaminants therein. The forceps mounting unit includes a first tunnel extending from the storage space and a second tunnel extending from the first tunnel, and the second tunnel may be inclined at a predetermined angle with respect to the first tunnel.