34results about How to "Implement automatic locking" patented technology

This utility model relates to the field of high-efficiency dispensing equipment technology, and in particular to a glue cartridge replacement mechanism and replacement kit. The key technical points include: a base; a dispensing valve fixedly connected to the base, the dispensing valve having a plug-in module with a glue outlet channel, the plug-in module being used to plug into the bottom end of the glue cartridge, and when the glue cartridge is plugged into the plug-in module, the glue outlet channel connecting with the glue outlet at the bottom end of the glue cartridge; and a glue pressure assembly, which is vertically and vertically mounted on the base and located above the dispensing valve, the glue pressure assembly having an air inlet channel, and the glue pressure assembly being movably connected to the top end of the glue cartridge to connect or disconnect the air inlet of the glue cartridge. This application can significantly improve the glue cartridge replacement efficiency.

The utility model discloses an auxiliary frame body bushing mounting hole polishing tool, and belongs to the technical field of tools. The tool comprises a rack; the workbench is used for fixing the auxiliary frame to be polished; the rotating mechanism comprises a rotating shaft fixed to the rack, a bearing arranged on the rotating shaft in a sleeving mode and a bearing seat matched with an outer ring of the bearing, the center of the workbench is fixed to the bearing seat so that the workbench can rotate around the rotating shaft, and a cam bearing of the supporting structure is used for supporting the workbench under the condition that the workbench rotates around the rotating shaft; a limiting mechanism; the left handle mechanism and the right handle mechanism are installed on the workbench, and any one of the left handle mechanism and the right handle mechanism comprises a limiting pin capable of ascending and descending, a spring for driving the limiting pin, a guide shaft and a handle; and under the condition that the workbench rotates to the position above the limiting seat, the limiting pin is clamped into the hole of the limiting seat under the action of the spring so as to lock the position of the workbench. According to the tool, through cooperation of a rotating structure, a supporting structure and a limiting structure, workpieces can be overturned without being carried.

The utility model discloses a ball valve, including valve body, flow passage, ball and drive part. The valve body is equipped with filter assembly, including filter block and fixed part, is equipped with installation cavity on filter block, is equipped with filter screen in installation cavity. The arc rotation groove is equipped on filter block, and the flow passage department of valve body one side is equipped with limit stop, and the limit groove that communicates rotation groove is still equipped on filter block, and the fixed part is inserted in the junction of rotation groove and limit groove to fix filter block. The support frame is equipped on filter screen, and the outer periphery of support frame is equipped with support block, and the arc installation groove is equipped in filter block, and support block realizes support frame installation in the sliding of installation groove. The fixed ball and spring are equipped in installation groove, and spring drive fixed ball and support block on the cooperation locking of clamping groove. The fixed part includes locking frame, and is equipped with limit portion and abutting portion on it, and abutting portion abuts in rotation groove, and limit portion is inserted in the sealing groove on valve body. The utility model filter assembly convenient to dismount, and fixed reliable, is convenient for washing or replacement filter screen.

This utility model relates to the field of robot auxiliary equipment technology, and in particular to a foldable humanoid robot wireless charging transmitter bracket, including a base and a rotating frame. The front end of the rotating frame, which has two rods, is rotatably connected to the base. A rod is slidably connected to the rotating frame, and a sliding frame is slidably connected inside the rotating frame. The sliding frame houses the wireless charger. The two rods of the sliding frame have several square holes. A mounting base is connected to the right side of the rotating frame end, and a gear is rotatably connected to the mounting base. A rotating shaft is coaxially connected to the gear shaft. A rack is slidably connected to the ends of both rods of the rotating frame, and the rack meshes with the gear. A locking block is slidably connected to the end of the rotating frame, and the locking block engages with the sliding frame through the square holes. By engaging the inclined surface of the locking block with the square holes of the sliding frame, when the robot rises, the inclined surface is pressed, pushing the locking block to the right. When the robot stops, the locking block moves to the left and inserts into the square holes to form a rigid limit, realizing automatic locking of the wireless charger at multiple levels, adapting to different robot heights, and improving compatibility and efficiency.

This invention relates to the field of medical device technology and discloses a positioning device for interventional puncture under CT scan. The device includes a fixing ring, with a positioning cylinder for guiding the puncture needle through its inner side. A side plate is provided on one side of the positioning cylinder. A limiting band, a winding wheel, a locking wheel, and a limiting assembly are disposed within the cavity of the side plate. The locking wheel penetrates the inner wall of the positioning cylinder and contacts the puncture needle. One end of the limiting band is fixedly connected to the side plate, and the other end passes around the limiting assembly and connects to the winding wheel. Through frictional transmission between the locking wheel and the puncture needle, the linear motion of the puncture needle is converted into the rotational motion of the winding wheel. The winding length of the limiting band limits the number of rotations of the winding wheel, thereby precisely controlling the puncture depth. When the limiting band is wound to the length limited by the limiting assembly, the locking wheel cannot continue to rotate, and the puncture needle is physically locked and cannot move further down, achieving automatic locking for depth control without requiring constant close observation by medical personnel.

The utility model relates to the technical field of auxiliary grafting tools, and discloses a portable litchi top grafting seed changing auxiliary grafting tool which comprises a knife handle, a knife sheath is arranged on the side wall of the knife handle, a clamping block is arranged on the outer wall of the knife sheath, a knife body is arranged on the side wall of the knife handle, a limiting assembly is arranged in the knife handle, and a quick release assembly is arranged in the knife handle. The limiting assembly comprises a hollow column, a limiting block and a first clamping ball, the outer wall of the hollow column is fixedly connected to the interior of the cutter handle, one side wall of the clamping ball is fixedly connected to the outer wall of the limiting block, and the outer wall of the limiting block is slidably connected to the interior of the hollow column. According to the grafting knife, the scabbard is inserted into the knife handle, the clamping block extrudes the first clamping ball and the limiting block and extrudes the telescopic rod and the first spring, locking of the scabbard is achieved, and the problems that due to the fact that a traditional grafting knife scabbard is not provided with a fixing structure, the scabbard is prone to loosening or falling in the carrying and high-altitude operation process, a cutting edge is exposed, and potential safety hazards exist are solved. And the use safety of the tool is improved.

The utility model discloses a large-load sucker hook, which relates to the technical field of sucker hooks and comprises a bottom plate, a sucker component is arranged on one side of the bottom plate and consists of a main sucker body and a plurality of small sucker cavities, and the small sucker cavities are arranged inside the main sucker body. A negative pressure component is arranged on one side of the sucker component on the bottom plate; a sliding rail is arranged on the side, away from the suction cup assembly, of the bottom plate, a supporting plate is slidably arranged on the sliding rail of the bottom plate, a hook body is arranged on the supporting plate, and a sliding assembly is arranged between the supporting plate and the bottom plate. The device is compact in structure, high in adsorption capacity, high in adaptability, adjustable in hook, capable of automatically returning, stable in load bearing and suitable for various scenes.

This invention relates to the field of cleaning robot technology, providing a brush assembly and a cleaning robot. The brush assembly includes: a rotary lifting mechanism; a lifting arm with one end movably connected to the power output shaft of the rotary lifting mechanism for vertical movement under the drive of the rotary lifting mechanism, the lifting arm having a locking groove; a rotating brush disk movably connected to the other end of the lifting arm for rotation under the drive of the rotary lifting mechanism; and a locking mechanism for engaging with the locking groove to fix the rotating brush disk in a working position. When the lifting arm descends to a first preset position, the locking mechanism engages with the locking groove; when the lifting arm rises to a second preset position, the locking mechanism automatically slides out of the locking groove. By setting the locking groove and the locking mechanism, automatic locking and unlocking can be achieved during the lifting and lowering process of the lifting arm, preventing the rotating brush disk from wobbling or moving during operation, achieving cleaning stability, and improving cleaning effect.

The invention relates to the technical field of press machines, in particular to an auxiliary brake mechanism of a press machine for metal cellular board production, which comprises a brake driving component, a brake driving component, a hydraulic rod, a brake driving component, a brake driving component and a brake driving component, and is characterized in that the brake driving component is mounted on the press machine; the friction braking assembly is also installed on the press machine and used for conducting friction braking on the hydraulic rod, and the friction braking assembly is driven by the braking driving assembly to move; the plug-in brake assembly is connected with the brake driving assembly, and the brake driving assembly drives the plug-in brake assembly to move so as to brake the hydraulic rod; when a main brake of the press fails or emergency braking is needed, auxiliary braking of the hydraulic rod can be achieved by pushing the braking driving strip in the direction of the press, operation is easy, convenient and rapid, potential safety hazards can be eliminated within the shortest time, the braking driving strip can achieve automatic locking, and the stability of auxiliary braking is guaranteed.

This utility model belongs to the technical field of access control management devices, and in particular, an intelligent access control management device for property management. It includes a main body of the intelligent access control management device, and further includes a positioning mechanism and an unlocking mechanism, each in multiple sets, working in conjunction with the unlocking mechanism. A grille mechanism includes a rotating sleeve and a grille door. The grille door is installed inside the main body of the intelligent access control management device, and slides against the inner wall of the rotating sleeve. In this utility model, by setting up positioning and unlocking mechanisms that cooperate with the main body of the intelligent access control management device, the grille door can be quickly installed and removed. The rotating sleeve in the grille mechanism provides stable support for the grille door and guides its sliding. When replacement is needed, the grille door can be easily removed from the main body of the device, effectively solving the problem of inconvenient replacement of traditional grille doors after damage and improving maintenance efficiency.

The utility model relates to the technical field of simulation plant ornaments, in particular to an assembly type simulation plant ornament manufactured based on 3D printing, which comprises a rotary display base and a modularized simulation plant body. Rapid disassembly and assembly and stable locking of the main stem, the branch rods and the base are achieved through the limiting type connecting pieces, the hexagonal clamping pieces are adopted to prevent branches, leaves and petals from falling off, the servo motor is combined to drive the rotating base plate to dynamically display, the main structure is made of PETG / nylon, the branches and the leaves are made of flexible resin, and strength and simulation touch feeling are both achieved. The utility model solves the problems of unstable connection, tedious disassembly and assembly and single display in the prior art, and is suitable for indoor and outdoor decoration scenes.

The utility model provides a mixing device for processing green and environment-friendly building materials, and belongs to the technical field of building material processing equipment. Comprising a stirring tank, a stirring cover is rotatably connected to the top of the stirring tank, a stirring motor is arranged at the bottom of the stirring tank, a discharging port is formed in the bottom of the stirring tank, a driving bevel gear is arranged at the output end of the stirring motor, and a stirring shaft and a fixing assembly are inserted into the bottom of the stirring tank; the fixing assembly is used for realizing automatic locking and releasing of the stirring shaft, and the fixing assembly is connected with the stirring shaft. By arranging the fixing assembly, automatic locking and releasing of the stirring shaft are achieved, when the stirring cover is tightly covered, the pressing block is pressed downwards to trigger the fixed clamping block to be inserted into the clamping groove, the stirring shaft is automatically fixed, after the stirring cover is opened, the spring resets to enable the clamping block to be disengaged, at the moment, the stirring shaft can be directly pulled out to be cleaned, and the stirring shaft can be conveniently cleaned and maintained.

The invention discloses a reef explosion method for underwater karst cave geology, which comprises the following steps of: S1, lowering a drilling sleeve, so that the drilling sleeve is in contact with the surface of rock; s2, a drill rod is put down, and the drill rod drills the rock till the set depth is reached; s3, releasing the connection between the drilling machine and the drilling rod; s4, putting a chemical feeding sleeve between the drill rod and the drill hole sleeve; s5, the drill rod is connected with the drilling machine, and the drill rod is lifted; s6, the explosive is put down through the explosive feeding sleeve; and S7, the drilling casing pipe and the chemical feeding casing pipe are lifted, and blasting is carried out. When drilling is completed, connection between the drill rod and the drilling machine is removed, the drill rod serves as a guide rod for lowering of the chemical feeding sleeve, the chemical feeding sleeve can be conveniently inserted into a hole below a karst cave, the drilling sleeve can limit the drill rod, the possibility that the drill rod topples over is avoided, and the drilling diameter of the drill rod is generally larger than the diameter of a drill bit. A certain gap exists between the drill bit and the hole, the chemical feeding sleeve is placed through the gap, and accurate placing of the chemical feeding sleeve can be achieved without increasing cost.

The utility model discloses a kind of article temporary placing box for outpatient physical examination, including frame, placing plate and support rod, the four corners of the frame bottom are all fixedly connected with universal wheel, the rear side of the frame inside is fixedly connected with several quantities of support rod.The utility model is through the cooperation of frame, placing plate, support rod, universal wheel, containing groove, carousel, guide slot, moving frame, sliding block, fixed plate, moving block, through slot, gear, rack, screw rod, positioning hole, positioning rod, sliding slot, isolation plate, fixed hole, placing groove, spring, fixed rod and rotating block, solve the cleaning and disinfection when the existing equipment is carried out, due to internal baffle fixedly not detachable, leading to cleaning not completely, there is dead angle, bacteria is easy to breed, influence health safety, cannot effectively reach the high standard cleaning requirement required by medical environment, increase the risk of cross infection, the problem of potential threat to user health.

The application relates to the technical field of centrifugal pumps, in particular to an energy-saving centrifugal pump with low radial force, which comprises a pump body, a pump shell is fixedly arranged on the pump body, a pump shaft is installed in the pump shell, an impeller is installed on the pump shaft, an auxiliary shaft support mechanism is also installed in the pump shell, the pump shaft is assisted and supported through the auxiliary shaft support mechanism, the auxiliary shaft support mechanism is connected with a self-locking assembly, the auxiliary shaft support mechanism drives the self-locking assembly to move, thereby realizing the locking of the auxiliary shaft support mechanism, the auxiliary shaft support mechanism is also connected with a wheel body fixing mechanism, an auxiliary shaft support frame is arranged in the pump shell, when the impeller is installed on the pump shaft, the impeller can drive the auxiliary shaft support frame to move, thereby making the auxiliary shaft support frame contact with the pump shaft from the periphery of the pump shaft, so that the pump shaft can be well assisted and supported, even if the bearing is worn, the pump shaft will not appear the phenomenon of deviation, and the support stiffness of the pump shaft is fully ensured.

The invention discloses a self-separation type blasting deicing device and a blasting deicing method, and belongs to the technical field of overhead wire deicing, the self-separation type blasting deicing device comprises a connecting piece and clamping arms hinged to the two sides of the bottom of the connecting piece, side plates are arranged on the two sides of the connecting piece, when the two clamping arms are closed, the two clamping arms can be matched with the side plates, and when the two clamping arms are closed, the two clamping arms can be matched with the side plates. Stably clamping the connecting piece on the overhead wire; the connecting piece is provided with a driving piece matched with the clamping arm, and the driving piece is elastically matched with the connecting piece; compared with an existing blasting deicing device, the clamping arm does not need to be additionally provided with an independent opening and closing triggering mechanism, and automatic locking and unlocking between the clamping arm and the overhead line can be achieved through transfer path switching of the gravity of the restraining cylinder.

This utility model relates to the field of hanging frame technology, specifically a hook-type silage bag hanging frame, including a shelf. Vertical rods are fixedly installed on the upper surface of the shelf, near the four corners. A horizontal rod is fixedly installed at the top of each vertical rod on an adjacent side. A second vertical rod is inserted into the upper surface of the horizontal rod. By setting up a buffer assembly consisting of a sleeve, a sliding rod, and a spring, when vibration occurs during lifting, stopping, or transportation, the sliding rod can slide smoothly within the sleeve and, in conjunction with the elastic deformation of the spring, absorb vibration energy. This effectively reduces the impact of vibration on the frame connecting block, heavy-duty collar, and the silage bags below, preventing the bags from shifting or slipping due to vibration. It also reduces vibration wear on the connecting components of the hanging frame, extending the overall service life of the equipment.

The invention provides a commercial vehicle personal data protection method and system based on two-factor authentication, and belongs to the field of vehicle-mounted information system safety. The method comprises the following steps: receiving a user login request, starting a two-factor authentication process, and synchronously performing Bluetooth near-field verification and face biological feature recognition; determining a user identity type according to an authentication result, and loading a corresponding permission template; continuously monitoring a user authentication state and context environment information during the session; dynamically adjusting an available function and a data access range of the current account based on a monitoring result; and when it is detected that the user leaves, a protection mechanism is automatically triggered, and the account permission is limited or the session is locked. According to the method, through two-factor continuous authentication and dynamic authority management, the problems of data residue, no protection in leaving the vehicle, identity false use, extensive authority management and the like in a commercial vehicle driver random matching scene are effectively solved, and the safety and privacy protection level of vehicle-mounted personal data are remarkably improved.

The utility model relates to the cup technical field especially, it relates to self -locking formula prevents to open fingerprint lock cup cover, it includes: cup cover body, cup cover body top is provided with fingerprint touch -control panel, be provided with inner shell in cup cover body, be provided with self -locking assembly between cup cover body and inner shell. The utility model discloses through setting self -locking assembly, when the user will cup cover body buckle on the fixed base of cup body top and tighten, lock needle contact fixed base first receives pressure after, and then makes the lift block extrude spring, when lock needle moves to the lock hole position, the reset force of spring pushes the lift block and slides down, drives lock needle accurate insertion lock hole, realizes the automatic locking of cup cover body and cup body, has improved the convenience and security of use, especially suitable for special demand crowd, can effectively avoid the security risk because of forgetting locking.

The application discloses a pipe stranding machine for cross-linked polyethylene cloth electric wire processing and relates to the technical field of pipe stranding machines.The pipe stranding machine comprises a bottom plate, a vertical plate fixed to the upper end face of the bottom plate, a limiting seat fixed to the bottom plate, a motor fixed to the limiting seat, and a stranding cage body connected with the limiting seat.The positioning mechanism drives the limiting seat to move through a first air cylinder, the distance between the two limiting seats can be quickly adjusted, the pay-off reel can be quickly clamped and fixed, manual accurate calibration is not needed, the operation process is greatly simplified, the installation time is shortened, and simultaneously, the limiting seat moves in the process, synchronously driving the sliding rod, the cylinder and the clamping block to move, the clamping block is matched with the clamping toothed plate in the stranding cage body through the elastic force of the first spring, the stranding cage body is automatically locked, the safety hidden danger caused by the misstart of the stranding cage body during the installation of the pay-off reel is effectively avoided, and the safety of the equipment use is remarkably improved.

This invention relates to the field of marble slab processing technology and discloses a marble slab fine trimming device, including a slab conveyor. Marble slabs are placed on the conveyor belt of the slab conveyor. A mounting frame is fixedly installed on one side of the slab conveyor. A fixing plate is fixedly installed on the inner side of the mounting frame. An adjustment mechanism is provided on the fixing plate. Four trimming mechanisms are provided inside the adjustment mechanism. The adjustment mechanism includes three sets of first hydraulic cylinders fixedly installed at one end of the mounting frame. A concave-convex plate is fixedly installed at one end of the telescopic rod of the three sets of first hydraulic cylinders. An upper mounting plate is fixedly installed at the upper end of the concave-convex plate. This marble slab fine trimming device, through its overall coordinated use, facilitates the replacement of different grinding wheels and irregularly shaped grinding wheels. It also adapts to the original switching structure, reducing tool costs and operational difficulty, and also achieves multi-functionality, improving equipment versatility and processing efficiency.

The utility model relates to the technical field of charging piles, in particular to a charging pile payment device. The device aims at solving the problems that an outdoor charging pile operation screen is prone to being affected by the environment and damaged, and an existing baffle structure is incomplete in protection and inconvenient to operate. The device comprises a charging pile control box body and an operation screen embedded in the charging pile control box body, side plates are fixed to the two sides of the operation screen, and a baffle used for shielding the operation screen is hinged between the side plates. The top of the baffle is connected with the box body through a waterproof elastic band, and the elastic band always covers the hinged gap to play a waterproof role when the baffle is opened and closed and provides auxiliary pulling force for opening of the baffle at the same time. A clamping plate with a clamping groove is arranged on the inner side of the baffle, a clamping column pushed by a spring is arranged in the side plate, and automatic locking can be achieved when the baffle is closed. And the side plate is also provided with an elastic sheet which can buffer the movement of the baffle plate during unlocking, so that sudden bounce is avoided. The device can effectively protect the operation screen from being exposed to the sun and rain, and can guarantee the convenience and safety of payment operation.

The utility model discloses winding equipment for water-jet weaving, and relates to the technical field of cloth processing, the winding equipment comprises a winding roller, an ending assembly is arranged outside the winding roller, the ending assembly comprises two clamping seats which are movably installed at the two ends of the winding roller respectively, arc-shaped rods are fixedly installed on the side faces of the clamping seats, and the arc-shaped rods are connected with the winding roller. And a winding fixing mechanism is arranged between the two arc-shaped rods. By arranging the winding fixing mechanism, after cloth winding is completed, the clamping base can be fixed to the winding roller, the smoothing roller automatically presses downwards and is tightly attached to the surface of the cloth under the action of the telescopic spring to achieve pressing and fixing, cloth interlayer looseness caused by sudden tension drop during cutting is avoided, then cutting operation on the cloth is facilitated, and the working efficiency is improved. After cutting, the smoothing roller is driven to roll along the winding roller, the tail cloth can be automatically wound, formed and fixed, a complete cloth roll is formed, secondary treatment is not needed, no fixing trace is left on the surface of the cloth, and the quality of the cloth is guaranteed.

The utility model relates to the field of medical instruments, in particular to a self-locking 360-degree adjustable white balance cap support assembly. The utility model aims to solve the problems that the existing bracket assembly cannot conveniently realize 360-degree any-angle adjustment and self-locking stop and cannot meet the requirements of different doctor operation scenes. The assembly comprises a white balance cap, a support ring, a support rod, a fastening screw and a pressure spring, and through unique structural design, such as matching of the white balance cap and a boss and a groove of the support ring, angle dislocation, precise control of the depth of an internal thread of the support rod and the like, 360-degree any-angle adjustment is achieved, and stable staying can be achieved. The white balance cap has the advantages that the white balance cap does not fall off after rotating by 360 degrees after being installed, the angle can be adjusted according to habits of doctors, automatic locking and unlocking at any time can be achieved, reliable support is provided for endoscope image calibration, and medical image quality can be improved in an assisted mode.

This utility model discloses an L-shaped battery that is easy to stack, comprising at least two L-shaped battery bodies. Each battery body has a protrusion and a groove that matches the protrusion. Two adjacent battery bodies are stacked and assembled by the matching protrusion and groove. The protrusion is detachably mounted on the battery body, and a limiting component is provided between the stacked protrusion and groove. This L-shaped battery, through the matching of the protrusion and groove, precisely guides alignment and improves stacking efficiency; the detachable protrusion facilitates individual replacement, reducing maintenance costs; the limiting component enhances the connection stability after stacking, prevents separation due to vibration, ensures the reliability of the battery pack structure, and is suitable for multi-layer stacking scenarios.

The utility model relates to the technical field of household equipment, and provides household equipment with a self-locking protection mechanism, which comprises a machine body and a door body opened and closed on an inner cavity of the machine body, and the machine body is provided with a driver and a lock rod; the lock rod is movably arranged on the machine body, and the output end of the driver is in direct or indirect transmission connection with the lock rod; when the working state of the household equipment reaches a preset locking condition, the driver drives the lock rod to move in the direction of locking the door body, and the lock rod moves to form mechanical interference with the door body so as to limit opening of the door body. Through cooperation of the driver and the lock rod, automatic locking of the door body under the preset locking condition is achieved, the situation that a user opens the door body by mistake when the household equipment is in the working state is effectively prevented, and the safety of the household equipment in the using process is improved.

The dustproof cover structure comprises a hinge seat and a dustproof cover hinged to the hinge seat, an elastic reset structure enabling the dustproof cover to be in an open state is arranged between the hinge seat and the dustproof cover, an installation cavity is formed in the hinge seat in the axial direction, and an auxiliary positioning mechanism is arranged in the installation cavity in a sliding mode. The auxiliary positioning mechanism comprises a limiting assembly used for positioning the position of the dustproof cover and a driving assembly used for converting the overturning movement of the dustproof cover into the axial movement of the limiting assembly, and an elastic assembly used for supporting the auxiliary positioning mechanism is arranged between the limiting assembly and the bottom wall of the mounting cavity. The limiting assembly is arranged on the outer wall, opposite to the dustproof cover, of the limiting assembly, clamping structures which are matched with each other are correspondingly arranged on the outer wall, opposite to the dustproof cover, of the limiting assembly, and when the dustproof cover is in an open state, the limiting assembly and the dustproof cover are matched in a clamping mode through the clamping structures so that the open state of the dustproof cover can be positioned. Accurate positioning can be achieved when the dustproof cover is opened, accidental closing caused by external force or vibration is avoided, and the use stability is improved.

This invention discloses a centrifuge container and separation method for layered liquid inlet and outlet, relating to the field of cell culture technology. The device includes a base plate with a support frame fixed on it. A color camera and a microscope camera are also fixed on the support frame, along with a motor. The motor is connected to a connecting assembly, which is used to detect the installation status of the centrifuge assembly. The centrifuge container and separation method employ a double-layer inlet and outlet structure with separate inner and outer tubes. The upper flow channel interface connected to the outer tube injects cell samples, culture medium, and mixed gas into the centrifuge cup through the upper flow channel groove and upper flow channel opening. The inner tube and guide column are nested and sealed. Waste liquid is discharged through the lower flow channel interface, inner tube, guide column, lower flow channel groove, and lower flow channel opening. The entire inlet and outlet process is completed within the sealed space formed by the sealing cap and the centrifuge cup, eliminating the need to open the sealing cap and effectively preventing sample contamination.

The application provides an engine packaging box opening and closing cover equipment and method, and belongs to the field of solid rocket engine production. The equipment comprises a roller way, and an opening and closing cover mechanism frame and an unlocking positioning assembly are arranged on a frame of the roller way. The unlocking positioning assembly comprises a positioning frame, a positioning cylinder is arranged on the positioning frame, a positioning block for positioning the packaging box is arranged on an extension end of the positioning cylinder, a box cover pickup mechanism and a box cover temporary storage mechanism are arranged on the opening and closing cover mechanism frame, the box cover temporary storage mechanism comprises a temporary storage bottom plate, and box covers are stacked on the temporary storage bottom plate. The box cover pickup mechanism comprises a displacement cylinder and a guide rail arranged on the opening and closing cover mechanism frame, a displacement frame bottom is connected with a sliding block of the displacement cylinder, the displacement frame bottom is provided with a guide block matched with the guide rail, a lifting mechanism is arranged on the displacement frame, a pickup stand is installed on a moving part of the lifting mechanism, and a suction disc assembly is arranged at a lower end of the pickup stand. The equipment and method can improve the production efficiency of the overall assembly line and reduce personnel allocation.