362results about How to "Implementation drive" patented technology

The present invention discloses an automatic wall-building machine and a wall-building method thereof, belonging to the technical field of automated equipment for construction projects. Under the drive of a first motor, a first transmission mechanism drives a lead screw to rise and fall, so that a top mechanism on a lifting unit is automatically lifted and lowered, and a turntable on the turntable is transported to a predetermined position through a turntable, a conveyor belt, a load-bearing plate and a conveyor connected in sequence, and under the action of a fan blade, the brick is made parallel to the wall, and then cement is sprayed on the outer surface of the brick through a cement spraying fixed unit, and at the same time, a foundation is laid for the laying of the next layer of bricks. The present invention completes automatic wall-building through the mutual cooperation between the lifting unit, the transport unit and the cement spraying fixed unit, and has high automation performance. The whole process does not require labor and labor, which greatly saves labor costs. The automated operation also improves the wall-building accuracy, so that the construction efficiency is greatly improved.

The utility model relates to a novel permanent magnet direct drive motor chain transmission cutting device for a mining machine, which comprises a main frame, a cutting roller, a power source and a transmission structure connected between the cutting roller and the power source, the transmission structure comprises a front transmission shaft, a rear transmission shaft and a transmission chain connected between the front transmission shaft and the rear transmission shaft, the transmission chain and the cutting roller are connected and rotate synchronously, the power source is used for directly or indirectly driving the cutting roller to rotate, and the power source is electric energy driving equipment including a permanent magnet direct drive motor. The cutting roller is indirectly or directly driven to rotate by using electric energy driving equipment such as a permanent magnet direct drive motor, only electric energy is consumed when the cutting roller works, no extra pollutants are generated, and the cutting roller is more environment-friendly and energy-saving.

The invention relates to an accurate die-cutting mechanism of a printing slotting die-cutting machine, which comprises a rubber mat roller for mounting a rubber mat, a template roller for mounting a die-cutting tool and two side wall plates, two ends of the rubber mat roller are respectively and rotationally connected with the two side wall plates, and two ends of the template roller are respectively and rotationally connected with the two side wall plates. The rotating direction of the rubber mat roller is opposite to the rotating direction of the template roller, the rubber mat roller is located above the template roller, a gap for a carton board to pass through is formed between the rubber mat roller and the template roller, and the rotating speed adjusting mechanism is used for adjusting the gap between the rubber mat roller and the template roller. Meanwhile, a rotating speed adjusting mechanism is arranged, the rotating speed of the rubber mat roller is adjusted through the rotating speed adjusting mechanism, the linear speed of the rubber mat roller is made to be the same as that of the template roller, and therefore the die cutting precision of the carton board is guaranteed, it is guaranteed that the size of the carton board after die cutting is accurate, and follow-up folding forming is facilitated.

The utility model relates to a steel pipe cutting and feeding device which comprises a bottom frame, a V-shaped bracket is arranged on the bottom frame and used for placing a steel pipe, a clamping driving mechanism is arranged above the V-shaped bracket, used for clamping the steel pipe and capable of driving the steel pipe to move forwards, and the clamping driving mechanism is installed on a driving frame. The bottom of the driving frame is fixedly connected with the bottom frame; the automatic clamping device is simple in structure and convenient to operate, automatic clamping and driving can be achieved, and the working efficiency is greatly improved.

The embodiment of the invention provides a display device and a control method, a plurality of pixel driving circuits are arranged on a display panel of the display device, a fourth transistor in each pixel driving circuit is removed, and the capability of providing a second power supply signal for a first capacitor is replaced by a conduction loop composed of a seventh transistor and a third transistor. The first capacitor can still be reset by using the second power supply signal in the pixel driving circuit, and when the first capacitor provides driving data after threshold voltage compensation for the first transistor, only the leakage current of the third transistor affects data stored in the first capacitor, so that the leakage path is reduced, and the reliability of the pixel driving circuit is improved. The influence of the leakage current on the data stored in the first capacitor is reduced, and the stability of the driving current in the driving signal generated by the first transistor based on the data stored in the first capacitor is improved.

The invention discloses a double-drum spiral tensioning device, which relates to the technical field of belt conveyors and comprises a rack, a support roller, a support rod, a support seat, a connecting seat, a screw rod sleeve and a driving box. Supporting rollers are arranged at the two ends of the interior of a rack, connecting bases are arranged on one sides of the two supporting rollers, lead screw sleeves are arranged on one sides of the connecting bases, adjusting lead screws are arranged in the lead screw sleeves, transmission rods are arranged at one ends of the adjusting lead screws, and the transmission rods are connected with driving rods through worm wheels and worms; the driving rod can be rotated to drive the transmission rod to rotate, so that the two supporting rollers are driven to move at the same time to achieve the effect of adjusting the rollers of the two supporting rollers at the same time, the driving box is arranged below the rack, the movable roller and the driving roller are arranged in the driving box, and the movable roller and the driving roller can drive the belt. Therefore, the two supporting rollers at the two ends of the machine frame are synchronously adjusted, and meanwhile normal operation of the belt is not affected.

The invention relates to the technical field of water conservancy construction equipment, and discloses a water conservancy project slope protection construction finishing device which comprises a main rack used for installing and fixing a finishing equipment structure; the suspension beam and the supporting beam are located above the main machine frame and used for fixing a trimmed main structure to the main machine frame. The trailer rod is located on one side of the main machine frame and used for providing dragging of equipment for a traction vehicle. The unfolding mechanisms are located on the two sides of the main machine frame and used for enabling the trimming equipment to form an inclined structure aiming at the slope protection. By using the tow bar, the vehicle application cost can be reduced, the needed manpower resource and equipment cost are reduced, the device is relatively simple to operate and is mainly driven by a hydraulic system and a motor, an operator only needs to perform simple control and supervision, complex technical operation is not needed, the operation difficulty and risk are reduced, and the operation efficiency is improved. Automatic slope protection trimming operation is achieved, the requirement for manual operation is lowered, and the working efficiency is improved.

The invention provides an axial magnetic flux linear actuator which comprises an execution assembly, and the execution assembly comprises a reverse planetary lead screw, a double-row angular contact bearing, a threaded sleeve, a rotor disc, a stator iron core, a sealing end cover, two supporting bearings, a stator winding, magnetic steel and a connecting ring. And the double-row angular contact bearing is mounted on the outer side wall of the threaded sleeve. Power is supplied to a stator winding, a stator generates a magnetic field and acts on magnetic steel, at the moment, a rotor disc rotates to drive a threaded sleeve to rotate through a connecting ring, a driving part of a reverse rotation type planetary lead screw pushes an execution knuckle bearing, and robot joints can be driven; compared with the prior art, the radial force bearing capacity can be improved, accurate control over the position is achieved, the axial magnetic flux driving mode is adopted, higher power density and higher torque density can be provided, the overall size is reduced, and the working efficiency is improved.

The invention relates to the technical field of transformers, and discloses a three-phase self-coupling power transformer which comprises a three-phase self-coupling transformer, three sets of transformer shells are arranged in the middle of the three-phase self-coupling transformer, and six sets of fixing frames are fixedly arranged at the positions, close to the front end and the rear end, of the upper side and the lower side of the three-phase self-coupling transformer. Driving assemblies are arranged on the front sides, the upper sides and the lower sides of the three sets of transformer shells, three sets of cooling assemblies are arranged on the inner sides, close to the outer sides of the three sets of transformer shells, of the driving assemblies, and the driving assemblies comprise three sets of upper cooling liquid shells which are arranged on the upper sides of the three sets of transformer shells and correspond to the lower ends of the four sets of fixing frames correspondingly. According to the three-phase self-coupling power transformer, through overall cooperative use, the purpose of driving the cooling assembly is achieved, changing work of different cooling effects is completed, and meanwhile the situation that the cooling assembly is wrapped on the outer side of the transformer shell all the time, and normal natural heat dissipation is affected is avoided.

The utility model relates to the technical field of monitoring, in particular to an antibacterial polyester yarn slice mixing device which comprises a bearing table, a conveying mechanism is installed on the table wall of the bearing table, and the conveying mechanism is formed by combining a motor A, a concave frame, a sliding groove, an electric hydraulic rod, a clamping plate, a lead screw and a sliding block. A motor A is installed at the table bottom of the bearing table through bolts, a lead screw is installed at the output end of the motor A, a sliding block is in threaded connection with the rod wall of the lead screw, a sliding groove is formed in the table top of the bearing table, the sliding block penetrates through the sliding groove, and a concave frame is installed at the other end of the sliding block; a set of symmetrical electric hydraulic rods are installed at the top of the concave frame through bolts, clamping plates are installed at the output ends of the set of electric hydraulic rods, and after the lead screw rotates, the sliding block moves in the sliding groove, so that the concave frame is driven, and after polyester yarn is moved to the bottom of the cutter, the polyester yarn is cut off and sliced through the cutter.

The invention relates to a door lock with a replaceable lock cylinder, and relates to the technical field of door locks. The door lock with the replaceable lock cylinder comprises an installation frame, a transmission mechanism, a handle and the lock cylinder, the installation frame is used for being installed on a door body, the lock cylinder is installed in the handle, the transmission mechanism comprises a rotating frame, a transmission assembly and a transmission frame, the rotating frame is rotationally connected with the installation frame, and the transmission assembly drives a lock tongue and other lock bodies to move. The transmission frame is arranged on the handle, one end of the transmission frame is inserted into the rotating frame, and the lock cylinder drives the rotating frame to rotate through the transmission frame; a fixing frame is further arranged on the mounting frame, the fixing frame is in sliding connection with the mounting frame, one end of the fixing frame is inserted into the handle, an abutting groove is further formed in the fixing frame, and the transmission frame abuts against the inner wall of the abutting groove to limit sliding of the fixing frame. The door lock has the effect that the lock cylinder on the door lock can be replaced conveniently.

The utility model discloses an anti-blocking material suction machine, which relates to the technical field of material suction machines and comprises a material storage tank and an exhaust fan, a filter screen is mounted at the exhaust position of the exhaust fan, a material suction pipe is mounted at the position, close to the exhaust fan, in the material storage tank, a cleaning assembly is mounted between the filter screen and the material suction pipe, and the cleaning assembly comprises a fixed sleeve shell. A fixing frame is fixedly installed on the inner side wall of the fixing sleeve shell, a rotating shaft is rotationally connected to one end in the fixing frame, and a cleaning plate is fixedly installed at one end of the rotating shaft. Through driving of the driving motor in the driving mechanism, on the premise that no extra energy is consumed, dredging of plastic raw materials at the discharging opening is achieved, driving of the cleaning plate in the cleaning assembly is achieved, the energy utilization rate is increased, meanwhile, effective cleaning of the raw materials adsorbed by air draft of the exhaust fan on the filter screen is achieved, and the cleaning effect of the raw materials on the filter screen is improved. And the air draft effect of the exhaust fan is guaranteed, and then the efficiency of the plastic raw materials passing through the material suction pipe is improved.

The invention discloses a rail holding type suspension driving maglev train system, and relates to the technical field of maglev train systems. Decoupling of suspension, guiding and driving functions of the maglev train is achieved, the control complexity of the maglev train is reduced, and safe operation of the maglev train is guaranteed. The system comprises a vehicle body structure, an I-shaped supporting beam, a suspension system, a driving system and a safety limiting and braking system. The train body structure comprises a train and a suspension frame arranged at the bottom of the train. The two ends of the suspension frame extend downwards and then extend inwards to form a cavity, and the upper flange of the I-shaped supporting beam extends into the cavity of the suspension frame. The suspension system is arranged between the top wall surface of the cavity of the suspension frame and the upper surface of the upper flange; the driving system is arranged between the lower surface of the upper flange and the bottom wall surface of the cavity of the suspension frame; the safety limiting and braking system is arranged between the side face of the upper flange and the side wall face of the cavity of the suspension frame. The performance of the suspension driving system is improved.

The embodiment of the invention provides a driving device of a radio frequency power supply, the radio frequency power supply and semiconductor process equipment. Comprising the steps that a radio frequency driving signal input module outputs a radio frequency driving signal; the input end of the gate-level driving amplification module is connected with the output end of the radio frequency driving signal input module, and the gate-level driving amplification module performs primary amplification on a radio frequency driving signal; the input end of the controllable frequency selection network module is connected with the output end of the gate-level driving amplification module, and a radio frequency driving signal matched with the target frequency is gated; the input end of the impedance conversion module is connected with the output end of the controllable frequency selection network module; the input end of the secondary driving amplification module is connected with the output end of the impedance conversion module, and the secondary driving amplification module is used for carrying out secondary amplification on the radio frequency driving signal after primary amplification and outputting radio frequency power; the impedance conversion module performs impedance matching on the gate-level driving amplification module and the secondary driving amplification module; according to the embodiment of the invention, a radio frequency driving signal with a specified frequency is gated through a controllable frequency selection network module; therefore, the driving device multiplexes radio-frequency power supplies with different main frequencies.

The invention relates to the technical field of welding, and provides a descaling machine header welding device and method.The descaling machine header welding device comprises a base and further comprises a supporting mechanism, a plurality of clamping assemblies and a welding mechanism, the supporting mechanism is used for supporting a main pipe, and the clamping assemblies are used for clamping branch pipes; the clamping assembly comprises a lifting plate, a fixing plate and two clamping plates, the lifting plate is movably arranged on the base in a liftable mode, the fixing plate is movably arranged on the lifting plate, the branch pipe is located between the two clamping plates, and the welding mechanism is used for welding the branch pipe and the main pipe. The welding mechanism comprises a rotating frame and a welding head, the rotating frame is rotatably arranged on the fixing plate, and the rotating center of the rotating frame coincides with the axis of the branch pipe. By means of the technical scheme, the problem that in the prior art, a single branch pipe is welded at a time, and the welding efficiency is low is solved.

The utility model discloses a photovoltaic support with a flexible and adjustable inclination angle, which belongs to the technical field of supports and comprises an upper support plate, a silicon plate is embedded at the top of the upper support plate, a lower support plate is arranged below the upper support plate, one side of the top of the lower support plate is connected with a connecting rod, the top of the connecting rod is hinged with the bottom of the upper support plate, and the top of the connecting rod is hinged with the bottom of the upper support plate. Grooves are formed in the two sides of the top of the lower supporting plate, threaded rods are rotationally connected to the inner peripheries of the grooves, threaded sleeves are connected to the peripheries of the threaded rods in a threaded mode, traction plates are hinged between the tops of the threaded sleeves and the upper supporting plate, and side plates are connected to the two sides of the top of the upper supporting plate. A light-transmitting film used for protection is arranged between the two side plates in a limiting mode through the notches. According to the photovoltaic support with the flexibly adjustable inclination angle, the inclination angle can be adjusted, the silicon plate can be shielded and protected, the adjustment can be realized only through one motor, and the economic benefit is high.

The high-speed direct-drive horizontal five-axis machining tool comprises a base, a base table, an X-axis linear motor, a Y-axis linear motor, a Z-axis linear motor, an orthogonal rotary table assembly, a stand column assembly, a spindle box assembly and a gravity center adjusting assembly, the orthogonal rotary table assembly comprises an A-axis rotary table, a B-axis rotary table and a rotary table box body, and the rotation axis of the A-axis rotary table and the rotation axis of the B-axis rotary table are arranged in an orthogonal mode; the vertical plane where the gravity center of the orthogonal rotary table assembly is located and the gravity center of the Z-axis linear motor are located in the same vertical plane, by arranging the gravity center adjusting assembly, when the B-axis rotary table rotates in the plane, the gravity center shifts, and the gravity center adjusting assembly can adjust the position of a sliding plate in a rotary table box according to pressure changes of two pressure sensors; the plane where the gravity center of the orthogonal rotary table assembly is located is close to a Z-axis linear motor to the maximum extent, vibration generated when the linear motor is driven is reduced, and the machining precision of a machine tool is improved.

The utility model discloses a forming device for corrugated paper production, and relates to the technical field of forming devices. Connecting plates are symmetrically and fixedly connected to the upper side of the supporting frame, two conveying mechanisms are arranged between the connecting plates, a first extrusion mechanism, a gluing mechanism and a second extrusion mechanism are sequentially arranged in the middle of each connecting plate from left to right, a cooling assembly is arranged on the upper side of the conveying mechanism on the right side, and evenly-distributed supports are fixedly connected to the lower side of the supporting frame. The first extrusion mechanism comprises a main extrusion shaft and an auxiliary extrusion shaft, the main extrusion shaft and the auxiliary extrusion shaft are rotationally arranged in the middle of the connecting plate, the first extrusion mechanism is arranged, transmission is stable, the rotating speed of the corrugated roller can be effectively controlled, the meshing retention time is guaranteed, and the situation that the forming effect of corrugated paper is not obvious is avoided; the structure quality and the using effect of the corrugated board are effectively improved, the gluing mechanism is arranged, the problem that manual coating is prone to causing uneven coating is solved, the using effect of the corrugated board is prevented from being affected, and practicability is high.

The utility model relates to the technical field of machining equipment, in particular to a high-precision gear ring support pressure quenching clamp which comprises a working table, idler wheels are arranged at the bottom of the working table, a bearing plate is fixedly installed on the top of the working table, and a fixing base and a supporting column are fixedly installed on the top of the bearing plate respectively. A stamping seat is embedded in the top of the fixing seat, a mounting plate is arranged at the top end of the supporting column, a moving plate sleeves the outer side surface of the supporting column, a pressing disc and a mounting strip are fixedly mounted at the bottom of the moving plate, a hydraulic rod is fixedly mounted at the bottom of the mounting strip, and a clamping plate is arranged at the telescopic end of the hydraulic rod. An elastic mechanism is arranged between the movable plate and the mounting plate, through the arrangement of the high-precision gear ring support pressing and quenching clamp, the purpose of protecting the gear ring support is achieved through the structural design in the elastic mechanism, the machining quality of the pressing and quenching clamp on the gear ring support is improved, and follow-up use is facilitated.

This application relates to a lightweight AI glasses using a Micro LED optical engine module, belonging to the field of AI glasses technology. The lightweight AI glasses using a Micro LED optical engine module include a frame and temples. One end of the temples is rotatably connected to the frame. A limiting portion is also provided at the end of the frame. A first adjustment mechanism is also provided on the frame. The first adjustment mechanism includes an abutment frame and a fixing component. The abutment frame is located at one end of the temple near the frame, and one end is rotatably connected to the temple. The limiting portion is located on the displacement path of the other end of the abutment frame when it rotates with the temple. The fixing component is used to fix the abutment frame after rotation. This application improves the comfort of the user when wearing the lightweight AI glasses.

The invention discloses a multi-channel pushing power connection driving device which comprises a driving mechanism capable of generating linear driving force; a plurality of transmission units are arranged, each transmission unit corresponds to one flexible sleeve, a transmission driving part is arranged in each flexible sleeve, the tail end of each flexible sleeve is connected with a function execution assembly, and the transmission units transmit driving force to the transmission driving parts after being subjected to linear driving force, so that the transmission driving parts move relative to the flexible sleeves. Therefore, the power is transmitted to the function execution assembly to enable the function execution assembly to act. The driving mechanism is installed at one end of the motion platform, the multiple transmission units are arranged at the other end of the motion platform, and the motion platform can regulate and control the relative position of the driving mechanism relative to the transmission units; under the driving action of the moving platform, the driving mechanism is correspondingly matched with one or more corresponding transmission units on the mounting platform so as to drive the transmission units to drive the corresponding transmission driving parts.

The utility model belongs to the technical field of hub machining protection, and discloses a hub machining protection device which comprises a bottom plate, a sleeve is arranged at the top of the bottom plate, a columnar pressing block is arranged in the sleeve, upper push rods are connected to the periphery of the bottom of the columnar pressing block, and lower push rods are connected to the inner bottom face of the sleeve. The upper push rod and the lower push rod are movably connected through a movable connecting seat, a through groove is formed in the periphery of the sleeve, a positioning block is fixedly installed at the outer end of the movable connecting seat, an internal thread is arranged at the top end of the interior of the sleeve, a screw rod is arranged at the top end of the interior of the sleeve, and a protective cover is connected to the top end of the screw rod in a clamped mode. By means of the design, when the hub is installed, the whole device does not need to be lifted up, only the hub is placed above the sleeve, the cylindrical pressing block is pushed to apply pressure to the upper push rod through rotation downward movement of the threaded rod, the positioning block is pushed out in cooperation with the movable connecting base and the lower push rod, and positioning of the hub is achieved, and due to the design, the convenience of hub installation is greatly improved.

The present application relates to a kind of for garbage compressor material leakage return device and material leakage return method, material leakage return device includes transmission mechanism and hopper mechanism, wherein, transmission mechanism includes mounting bracket and drive assembly and track assembly being set on mounting bracket, track assembly is arranged between the material leakage passage and material leakage port of garbage compressor;Hopper mechanism is slidably arranged on track assembly, drive assembly is connected with hopper mechanism to drive hopper mechanism movement along track assembly, and drive hopper mechanism overturning.Drive assembly is connected with hopper mechanism, drive assembly drives hopper mechanism movement along track assembly, realizes the material leakage return form of reciprocating multi-point feeding, single-point unloading form, returns the compressed cavity in multiple material leakage return from inside and outside garbage compressor.The device sends the material leakage generated in the working process of garbage compressor into compressor, the whole process is coherent, degree of automation is high, manual participation is low, improves the efficiency and degree of automation of material leakage cleaning.

The present application relates to the technical field of medical equipment, and discloses a 3D self-tracking imaging device for microsurgery, including: a shooting module, used to shoot a target object to generate a target image; a microscopy module, used to align and magnify the target object; a driving module, used to drive the microscopy module to move in a second direction; a processing module, electrically connected to the shooting module and the driving module, to obtain the target image, extract the target position from the target image, calculate the moving path of the target position, calculate the first moving data in the first direction and the second moving data in the second direction according to the moving path; generate a first driving signal according to the first moving data, and generate a second driving signal according to the second moving data; to drive the microscopy module to move to form a motion path. The present application enables the microscopy device to automatically track eyeball lesions, reducing the energy consumed by doctors.

The invention relates to an oil pump motor and dual-motor integrated control device applied to a new energy automobile. The oil pump motor and dual-motor integrated control device comprises a control device shell, a protective cover, an oil pump motor and dual-motor control unit, a control unit mounting shell, an anti-interference shielding assembly, a cooling support assembly and a six-phase detection assembly. The anti-interference shielding assembly, the cooling support assembly, the control unit installation shell and the six-phase detection assembly are installed in the control device shell, the oil pump motor and the dual-motor control unit are installed in the control unit installation shell, and the protection cover covers the control unit installation shell. Compared with the prior art, the power generator controller, the driving motor controller and the oil pump motor controller are integrated in the oil pump motor and the dual-motor control unit, the integration requirement of the new energy automobile market is better met, parts such as external wire harnesses and circuit boards are saved, the integration degree is high, and the size and the cost are saved; and the two paths of current realize the advantages of supplying power to the generator, the driving motor and the oil pump motor and the like.

The utility model relates to the field of vehicle door handles, and particularly discloses a hidden vehicle door handle structure which comprises a base and a handle, the base is embedded in a vehicle door and close to the outer side of the vehicle door, an opening communicated with an internal mounting space is formed in the outer side face of the vehicle door, the handle is embedded in the opening, and a swing assembly, a driving assembly and an unlocking assembly are arranged in the base. The handle is in linkage with the swing assembly and has a hidden position, a working position and a triggering position, the driving assembly is used for driving the swing assembly to move so as to drive the handle to move, and the unlocking assembly is used for cooperating with the handle to unlock the automobile door. The device has the advantages of being simple in structure, convenient to implement and low in cost.

The invention relates to the technical field of grinding devices, and provides a grinding device for the exterior of a wire rod, which can realize single-time full-ring complete treatment of the wire rod, is relatively stable in treatment quality, has an automatic abrasive cleaning function, is relatively low in manual maintenance frequency and relatively good in practicability, and comprises a transmission mechanism and a main body structure, a main body structure comprises a foundation frame, a processing box is fixedly connected in the foundation frame, a threading opening is formed in the processing box and used for threading of wires, a fixed box is fixedly connected to the top end of the processing box, lifting boxes are slidably connected to the front end and the rear end of the processing box, and a plurality of fixed coils and a plurality of fixed conductors are arranged in the fixed box; a plurality of fixed conductors are arranged in the processing box, a plurality of fixed coils are respectively wound on the plurality of fixed conductors, a plurality of lifting coils and a plurality of lifting conductors are arranged in the two lifting boxes, the plurality of lifting coils are respectively wound on the plurality of lifting conductors, the transmission structure is mounted in the foundation frame, and an inclined arc-shaped supporting plate is fixedly connected in the processing box.

The invention belongs to the technical field of electric valves, and discloses a good-stability valve electric actuator which comprises a valve body, a shell is arranged at the top of the valve body, a valve rod is arranged in the shell, a valve plate is arranged at the bottom end of the valve rod, a transmission gear is arranged at the top end of the valve rod, a rotating shaft is arranged in the shell, and the top end of the rotating shaft is sleeved with a sleeve. A telescopic groove is formed in the casing pipe, a second driving gear is arranged at the bottom end of the casing pipe, an inserting rod is arranged at the top of the rotating shaft, a clamping block is arranged at the top end of the inserting rod, a clamping groove is formed in the top wall of the telescopic groove, and protruding blocks are arranged on the two sides of the clamping groove. And the second driving gear is positioned by utilizing an inserting rod, a clamping block, a clamping spring, a clamping groove and a convex block, so that continuous meshing of the second driving gear and the transmission gear is ensured, and the situation that the valve plate cannot be controlled to be opened and closed due to failure or poor contact of electronic components is effectively avoided through the design.

The utility model discloses a cell infusion device for cell biological treatment in the technical field of cell back -perfusion device, include: mounting bracket, one side of mounting bracket is provided with limit unit and shake unit, limit unit is used for limiting the position of infusion bag one side of mounting bracket, shake unit is used for installing limit unit one side of mounting bracket and control limit unit shake. In the utility model, through the surface fixed mounting of one drive rail of mounting panel, make when using, the user can set up infusion bag infusion pipe between two clamping rings, then rotate twist column, drive positive and negative toothed lead screw, realize the drive of two clamping rings, finally make two clamping rings just contact on the surface of infusion bag infusion pipe, like this can avoid infusion pipe to and fro shake when infusion bag shakes, also can not to infusion pipe carry out close clamping fixed, avoid the emergence of the situation of pulling infusion pipe.

This utility model discloses a transformer copper foil winding fixture belonging to the field of transformer processing technology. It includes a base, a turntable movably connected to the top of the base, a fixed clamping plate fixedly welded to one side of the top center of the turntable, and a drive groove on the other side of the top center of the turntable. A clamping motor is fixedly installed at the end of the drive groove away from the fixed clamping plate, and a screw is provided at the output shaft end of the clamping motor. A slider is slidably arranged inside the drive groove, and a movable clamping plate is fixedly welded to the top of the slider. A threaded sleeve is embedded in the inner side of the slider. By setting the fixed clamping plate and the movable clamping plate on the top of the turntable, the clamping motor in the drive groove drives the screw to rotate, causing it to move the threaded sleeve and the slider, thereby driving the movable clamping plate to move closer to the fixed clamping plate and clamp and fix the end of the copper foil, ensuring its stability and preventing the end of the copper foil from detaching at the beginning of winding.