51results about How to "High running precision" patented technology

This invention belongs to the field of additive-subtractive composite manufacturing technology, and discloses a five-axis linkage additive-subtractive composite machine tool and control system. The machine bed base assembly has left and right guide rail seats symmetrically fixed on both sides of its top. The worktable is fixed in the middle of the machine bed between the two guide rail seats. An integral crossbeam is mounted across the top surface of the left and right guide rail seats and can move linearly along the X-axis. Two independent machining units are mounted in parallel along the Y-axis on the integral crossbeam: the subtractive side crossbeam slide plate carries a subtractive slide block and a subtractive electric spindle actuator, and the additive side crossbeam slide plate carries an additive Z-axis slide table and a double-swing additive head. The worktable is divided along the X-axis into a subtractive-specific machining area, a composite machining area, and an additive-specific machining area. The two machining units can operate independently in their respective dedicated areas, or enter the composite machining area at different times to collaboratively complete the additive-subtractive composite machining. This invention combines high structural rigidity with machining flexibility, avoids secondary workpiece clamping errors, and significantly improves machining efficiency and accuracy.

This utility model discloses an intelligent height-adjustable desk, comprising: a tabletop, a first leg assembly, a drive assembly, a first transmission assembly, and a control assembly. The first leg assembly includes a receiving box and first legs. The receiving box is installed on the lower side of the tabletop. The first leg includes a first leg and a second leg. The upper end of the first leg is connected to the receiving box, and the lower end of the first leg is retractably disposed in the telescopic groove of the second leg. The drive assembly includes a brushless motor and a magnetic encoder, which are coaxially connected and both are disposed within the receiving box. The first transmission assembly is drively connected to the brushless motor to cause the first leg to extend and retract when the brushless motor rotates. According to this utility model, by incorporating a brushless motor and a magnetic encoder, the operating accuracy of the intelligent height-adjustable desk can be significantly improved, while also ensuring greater stability of the tabletop during height adjustment, resulting in high reliability and stability.

The high-precision piston rod connecting structure comprises a piston rod, the upper end of the piston rod is connected with a piston body, the lower end of the piston rod is connected with a crosshead, the upper end of the crosshead is connected with a positioning flange with a center hole, and the lower end of the piston rod is a reducing end transited through a conical surface section. The reducing end penetrates through the center hole of the positioning flange and is stretched and locked by a first fastening structure; the upper section of the center hole of the positioning flange is a taper hole matched with the conical surface section of the piston rod; the upper end of the piston rod penetrates into a center hole of the piston body, is stretched and locked by a second fastening structure and is provided with an anti-rotation structure. Automatic centering is achieved through conical surface matching, stable pre-tightening force is provided in cooperation with a double-fastening structure, the problems that a traditional connecting structure is insufficient in precision and poor in locking reliability are effectively solved, the operation precision and stability of a compressor are greatly improved, and meanwhile the compressor connecting structure has the advantages of being convenient to install and maintain and long in service life.

The utility model discloses an A swing head rotating mechanism for a numerical control boring and milling machine. The A swing head rotating mechanism comprises a Y-direction sliding base, a large gear, a small gear, a servo motor, a first coupler, a swing base, a second coupler, a worm, a worm gear, a main shaft and a braking vane. The main shaft is fixedly mounted on the swing seat, and the swing seat is mounted on the Y-direction sliding seat; a servo motor drives worms connected with two rigid couplings to rotate, the two worms transmit power to two worm wheels respectively, a cylindrical gear shaft is provided with a small gear, a Y-direction sliding seat is provided with a large gear, and the small gear is in meshing transmission on the large gear to drive a swing seat to rotate on the Y-direction sliding seat, so that a main shaft swings; when the main shaft rotates to a command position, the hydraulic locking brake plate acts to lock the swing seat at a fixed position, and the main shaft can perform heavy cutting on a workpiece. According to the horizontal boring machine tool, complex workpieces can be machined through horizontal boring, the machining range of the machine tool is widened, one-time clamping of the workpieces is achieved, and one-time machining of multiple working procedures is achieved.

The utility model provides a plunger balancing device and dialysis equipment, the plunger balancing device comprises a pump body and a plunger, the pump body is provided with a cavity, the plunger is arranged in the cavity, the plunger is in sliding sealing connection with the cavity, and the plunger is used for dividing the cavity into a first cavity and a second cavity; the pump body is provided with a first liquid inlet and a first liquid outlet which are communicated with the first cavity, and a second liquid inlet and a second liquid outlet which are communicated with the second cavity; the four valve bodies are respectively arranged at the first liquid inlet, the first liquid outlet, the second liquid inlet valve and the second liquid outlet; the linear driver is connected with the plunger and used for driving the plunger to move along the cavity. According to the plunger balancing device, the plunger structure is driven to do linear reciprocating motion in a linear driving mode, and compared with a rotary driving scheme, the overall operation precision and stability of the plunger balancing device are improved.

The application relates to a kind of knitting loom, including knitting machine main mechanism, the knitting machine main mechanism includes base, support column, intermediate large dish, middle top rod, top large dish, top support, wire feeding disc support, rotary cylinder, needle hooking groove, self-positioning sinker, hook type closed needle, lower cloth rotary frame;The support column is provided with multiple groups, is evenly fixed on the base, the intermediate large dish is fixed on the support column, the middle top rod is provided with multiple groups, is evenly fixed on the intermediate large dish, the top large dish is fixed on the middle top rod, the top support is fixed on the top large dish, the application can effectively reduce the problem that fabric appears edge mark due to the running roundness of knitting needle is out of tolerance, improve the problem that the difficulty of repair is caused by quick positioning reset in the process of disassembly and maintenance;Reduce the phenomenon that frequent downtime is caused by yarn winding or breakage, improve production efficiency.

The application discloses a gallium nitride structure with negative pressure off auxiliary and an overload control method applied to a humanoid robot, and belongs to the technical field of intelligent robot power drive. The gallium nitride structure comprises gallium nitride structures arranged side by side on the front and back sides, and the gallium nitride structure comprises, from bottom to top, a substrate layer, a buffer layer, a gallium nitride layer, an aluminum gallium nitride layer and a gate electrode; source electrodes and drain electrodes are arranged on the left and right sides of the top of the aluminum gallium nitride layer; a first resistance layer is arranged between the source electrode on the front side of the gallium nitride structure and the source electrode on the back side of the gallium nitride structure; and a second resistance layer is arranged between the drain electrode on the front side of the gallium nitride structure and the drain electrode on the back side of the gallium nitride structure. The technology adopts a front and back side parallel gallium nitride double-path conduction structure, overturns the single-path design mode of the traditional robot dog driving circuit, and relies on the stable base structure formed by the substrate layer and the buffer layer to endow the overall circuit with excellent structural stability and anti-interference capability.

The utility model discloses a high-precision grinding positioning device of silicon nitride bearing ring, include: workstation, the bottom of workstation is provided with the mounting groove, the bottom fixedly connected with antiskid base of workstation, positioning assembly, the bottom of positioning assembly and the bottom fixedly connected of mounting groove inner wall, positioning assembly is used for high-precision positioning installation to silicon nitride bearing ring, the utility model relates to positioning device technical field. This high-precision grinding positioning device of silicon nitride bearing ring adopts four symmetrical placement frame, and the staff can place the silicon nitride bearing ring in advance outside the workbench, then only need to place the placement frame on the surface of the bearing plate through the positioning unit, and the placement frame can be selected to be matched with the silicon nitride bearing ring, so that a large amount of time is avoided to adjust in the later period, and when installing, only need to slide the placement frame on the surface of the positioning unit and insert the positioning rod, and the whole operation process is very simple.

This invention discloses an artificial intelligence-based power storage dispatch and control method and system, relating to the field of intelligent dispatch technology. The method includes constructing a micro-circulation operating condition sequence based on grid operation and dispatch command data, extracting loss representation features into an input state model to obtain implicit loss state parameters, calculating the loss potential energy value of each battery cell, constructing a loss propagation network to identify target loss areas and derive an implicit loss risk index, and generating a target dispatch strategy based on comprehensive dispatch requirements to achieve dynamic dispatch control of the energy storage system. By establishing a loss propagation network to analyze the propagation law and diffusion trend of losses among battery cells, accurate identification of target loss areas is achieved. Intelligent decision-making is performed based on the implicit loss risk index and comprehensive dispatch requirements, thereby enabling the dispatch process to consider both grid demand response and battery life management. This effectively solves the problem of difficult-to-perceive implicit losses in high-frequency micro-charging and discharging scenarios, improving the stability and accuracy of power dispatch.

The utility model relates to the technical field of grinding machines, in particular to a lathe bed structure of a vertical and horizontal grinding machine, which comprises a lathe body, a reinforcing component is mounted on the inner side of the lathe body, two groups of guide rail components are mounted on the lathe body, a carriage is jointly mounted on the two groups of guide rail components, and a workpiece table component is mounted on the carriage. The guide rail assembly comprises a guide rail installed on the bed body, a sliding seat is connected to the guide rail in a sliding mode, protective sleeves arranged on the outer side of the guide rail in a sleeving mode are arranged on the two sides of the sliding seat, a fixing plate fixedly connected with one end of each protective sleeve is fixedly arranged on the side wall of the bed body, and the other end of each protective sleeve is fixedly connected with one end of the sliding seat. According to the lathe bed structure of the vertical and horizontal grinding machine, the guide rail assembly is arranged, the protective sleeve is arranged on the guide rail, the protective sleeve is used for blocking chippings and preventing the chippings from falling on the guide rail, the protective sleeve can stretch out and draw back along with movement of the sliding base, the guide rail can be better protected against abrasion, the operation precision of the guide rail on the lathe bed is improved, and the service life of the guide rail on the lathe bed is prolonged.

The invention discloses a compound control method and system for a mechanical arm with a gap joint, and belongs to the technical field of engineering equipment control. Based on a six-degree-of-freedom mechanical arm nonlinear dynamic model containing a gap joint, control boundaries of a collision force feedforward module and a PD feedback module are determined by quantifying a coupling relation between a joint gap and collision force; then a composite control structure of'collision force feedforward compensation-PD feedback tracking 'is built based on the kinetic model, a feedforward module counteracts disturbance of nonlinear collision force on motion of the mechanical arm in advance by collecting joint collision force signals in real time and calculating reverse compensation torque, and a PD feedback module counteracts disturbance of nonlinear collision force on motion of the mechanical arm in advance by monitoring joint positions and posture deviation in real time; outputting a tracking torque to accurately correct a track error; the two layers of modules are nested and cooperatively work, the advantage of active disturbance suppression of feedforward control is exerted, the steady-state precision of trajectory tracking is guaranteed by means of PD feedback control, and the operation precision and reliability of the gap-containing joint mechanical arm are effectively improved.

The application belongs to the technical field of energy management, and particularly relates to an energy consumption monitoring and optimization control method and system of an energy management platform, which comprises the following steps: dividing a data area and a strategy area in a shared memory, establishing a lock-free ring buffer, a reliability bit mask and a state decision prefix tree; collecting processes write energy consumption data, system state parameters and time stamps into the lock-free ring buffer and set the reliability bit mask; an analysis process extracts the energy consumption data as energy consumption sampling values and calculates kurtosis values of the energy consumption sampling values, and encapsulates a composite data packet of the state vector and the kurtosis values; an optimization process traverses the state decision prefix tree to obtain a state duration expectation value, and obtains a predicted wake-up time; a control process scheduling priority is updated by using the kurtosis values, a kernel timer is configured to send a predicted control signal at the predicted wake-up time and perform an operation, and the application realizes active prediction wake-up of the control process, ensures real-time issuance of control instructions, and reduces system energy consumption.

The utility model discloses a solar tracking dolly based on composite transmission, comprising a dolly body and a dolly housing, the dolly housing is provided with a solar panel, when the dolly is under the condition of sufficient illumination, the solar panel converts light energy into electric energy and stores the electric energy in a capacitor bank; after being electrified, the trolley starts from the departure position determined by the positioning tail wing and runs according to a specified route, a motor is arranged in the trolley body, and a transmission structure is further installed in the trolley body. The transmission structure comprises a fixed shaft mounted on the lower surface of the vehicle body, a driven shaft mounted in the vehicle body, a one-way bearing mounted on the driven shaft, a gear transmission mechanism between a motor output shaft and the driven shaft, and a belt wheel transmission mechanism between the driven shaft and the fixed shaft; gear transmission, belt wheel transmission and cam transmission are combined together, the cam is directly driven by the first driven flange synchronizing wheel on the driven shaft, the left wheel is completely driven by means of inertia, the energy utilization rate of the trolley is further increased, and the continuous operation time of the trolley is further prolonged.

The utility model discloses a bearing seat self-alignment block of a short-stress-path finishing mill, which relates to the technical field of short-stress-path rolling mills and comprises an operation side bearing seat, and an outer side concave surface self-alignment block and an outer side convex surface self-alignment block which are oppositely arranged are mounted on the outer side of the operation side bearing seat. An inner side concave surface self-alignment block and an inner side convex surface self-alignment block which are oppositely arranged are mounted on the outer side of the operation side bearing seat, and the outer side concave surface self-alignment block, the outer side convex surface self-alignment block, the inner side concave surface self-alignment block and the inner side convex surface self-alignment block are mounted on the operation side bearing seat through self-made screws; the outer side convex surface self-alignment block and the inner side concave surface self-alignment block are both provided with spacer bushes, and the self-made screw is provided with a gasket; an oiling mechanism is arranged on the operation side bearing seat; the structure that the fixed block and the floating block are combined is adopted, the spacer bushes are arranged on the outer side convex surface self-alignment block and the inner side concave surface self-alignment block, and the spacer bushes and the screws are matched and fixed through the gaskets, so that the sphere center position of the concave-convex surface is fixed relative to the operation side bearing seat.

The utility model discloses a multi-shaft synchronous servo motor with a pressure adjusting function, which comprises a motor body and an output shaft, and the output shaft is arranged on one side of the motor body. According to the multi-shaft synchronous servo motor with the pressure adjusting function, an upper clamping plate and a lower clamping plate are nested on the outer surface of an output shaft of a motor body, the upper clamping plate and the lower clamping plate are fixed through a fastening nut and a screw pin fastening connection mode, and a strain gauge type pressure sensor is fastened and connected with a first mounting seat of the upper clamping plate; the pressure change of the output shaft can be sensed through the strain gauge type pressure sensor, and a pressure signal monitored by the sensor is transmitted to the controller through the wire, so that accurate pressure regulation control can be performed on the motor, the multi-shaft synchronous servo motor is ensured to output stable pressure during working, and the operation precision and reliability of equipment are improved; stable and accurate pressure application of the motor in the operation process is ensured, and the product quality and the production efficiency of the production process are improved.

This invention relates to the field of packaging bag cutting and bagging, and discloses a high-temperature automatic cutting and bagging machine adaptable to multiple specifications of packaging bags. The machine includes a frame one, with a frame two fixedly connected to the top rear left end of the frame one. A conveying assembly is provided on the top rear right end of the inner wall of the frame one. In this invention, the width of the conveying channel is flexibly adjusted by adjusting the adjusting rod one, adjusting rod two, and adjusting plate two of the conveying assembly. The baffle assembly drives the baffle one to move via a driver and guide rail, and adjusts the baffle's limiting height with an adjusting disc. The adjusting frame of the film feeding assembly adapts to packaging material rollers of different widths, and combined with multiple sets of limiting rods for guidance and limiting, it can quickly adapt to packaging bags of different sizes. The adaptability range covers various packaging carriers such as plastic film bags and paper bags of different lengths and widths. It eliminates the need for large-scale disassembly of the mechanical structure, shortens changeover and debugging time, meets the flexible production needs of multiple categories and small batches, achieves flexible adaptation of multiple specifications of packaging bags, and improves changeover production efficiency.

The invention relates to the technical field of baked food production equipment, in particular to a full-automatic cake blank rolling machine which comprises a middle demolding supporting frame, a plurality of step-by-step demolding lifting control parts are arranged on the middle demolding supporting frame and installed on middle turnover equipment capable of turning over the step-by-step demolding lifting control parts by 180 degrees, a cake blank demolding platform is arranged on the middle demolding supporting frame, and a cake blank rolling machine is arranged on the cake blank demolding platform. The equipment comprises a plurality of cake blank fixed containing plates and liftable cake blank movable containing plates which are arranged at intervals, and is further provided with a demoulding auxiliary system which is close to a middle demoulding supporting frame and is used for impacting, vibrating and demoulding cake blanks and synchronously controlling the cake blank movable containing plates to ascend and descend; synchronous cooperative control of impact demolding and cake blank receiving can be achieved, demolding requirements of different bonding force working conditions are met, cake blank demolding damage is effectively avoided, the demolding yield and the production automation degree are greatly improved, meanwhile, demolding disintegrating slag can be collected and discharged in a centralized mode, and the standard requirement for large-scale clean production of baked food is met.

This invention provides a pump housing comprising a first housing, a second housing, and an assembly. The second housing is connected to the first housing to form a receiving cavity capable of accommodating an impeller. At least one of the first and second housings has a groove with an opening facing the receiving cavity. The groove has a first side annular surface. The assembly includes a connected mounting surface and a second side annular surface. The assembly is accommodated in the groove, with the mounting surface facing the surface of the impeller housed within the receiving cavity, and the second side annular surface contacting the first side annular surface. The pump housing provided by this invention, by additionally providing the assembly to be installed in at least one of the first and second housings, allows for separate processing of the first housing, the second housing, and the assembly. This enables control over the flatness of the mounting surface, providing a basis for significant improvement in the flatness of the mounting surface and preventing thrombosis while improving the overall operational accuracy of the ventricular assist device. This invention also provides a pump body and a ventricular assist device.

This invention discloses a computer-controlled multi-station transfer robot collaborative control system, belonging to the field of industrial automation and robot collaborative control technology. It includes a computer control unit, a coordinate positioning module, a text acquisition module, a pressure regulation module, a displacement drive module, a difference analysis module, a secondary adjustment module, a defect observation module, a parameter recording module, and a power management module. The coordinate positioning module integrates laser positioning and inertial measurement with temperature compensation; the text acquisition module uses dual-redundant acquisition and cross-validation; the pressure regulation module dynamically adjusts the pressure based on a PID algorithm; the secondary adjustment module uses an FPGA chip to perform linear calculations to correct deviations; the defect observation module quantifies workpiece defects; the parameter recording module implements closed-loop correction and data optimization; and the power management module uses dual-redundant power supply to ensure stability. This invention can improve multi-station transfer efficiency, reduce workpiece deformation defect rate, and meet the needs of precision manufacturing scenarios.

The application discloses a digital twin management and control system of an electric computer collaborative network and related products. The system comprises a physical layer, a data layer and a twin layer. The physical layer is used for collecting real-time data of a target entity and transmitting the real-time data to the data layer. The data layer is used for standardizing the real-time data based on a special interoperable protocol stack and transmitting the standardized data stream to the twin layer. The twin layer is used for virtually mapping and modeling the target entity based on the standardized data stream, performing electric computer joint simulation and multi-element disturbance prediction according to the virtual mapping model, generating electric computer collaborative scheduling decision instruction set, and feeding back to the target entity in the physical layer through the special interoperable protocol stack. In this way, the data interaction and instruction transmission specification between the electric power and the computing power target entities are unified through the special interoperable protocol stack, thereby significantly improving the operation efficiency and control accuracy of the digital twin management and control system.

The application discloses a data communication method and device based on a core isolation architecture, equipment and a medium, and belongs to the technical field of multi-core heterogeneous data communication. The method comprises the following steps: acquiring uploaded data packets through a first data processing core, classifying each data frame according to an instruction type identifier and a file type identifier configured for each data frame, writing an instruction frame carrying the instruction type identifier into a high-priority queue, and writing a file frame carrying the file type identifier into a low-priority queue; reading the instruction frame in the high-priority queue through a second data processing core and sending the instruction frame to an embroidery machine; and when it is determined that the high-priority queue has been emptied, reading the file frame in the low-priority queue and sending the file frame to the embroidery machine. Through the core isolation architecture between the first and second data processing cores, the application not only meets the quick response requirement of the control instruction frame of the embroidery machine, but also meets the efficient transmission requirement of the file frame, and can adapt to the operation requirement of the high-precision and high-efficiency embroidery machine.

The utility model relates to a kind of double-cylinder telescopic deflection generating device, including installation base, two groups of driving mechanism, two groups of telescopic mechanism and screen mounting bracket, two groups of the driving mechanism and two groups of the telescopic mechanism are installed on the installation base, the telescopic mechanism includes support rod, telescopic rod and guide pipe, the guide pipe is installed on the installation base, the telescopic rod is movably arranged in the guide pipe, the support rod is rotatably arranged in the telescopic rod, the driving mechanism is connected with one end of the support rod, one end of the telescopic rod is hinged with the screen mounting bracket, and the other end is threadedly connected with the support rod.The utility model has the beneficial effects that it is good in directivity and stability, simple and compact in structure, and can realize multi-angle, multi-direction screen deflection and screen horizontal telescoping.

The utility model provides a high-voltage switch anti-misoperation locking mechanism and unlocking assembly, and relates to the technical field of high-voltage electrical equipment safety, the high-voltage switch anti-misoperation locking mechanism comprises a high-voltage switch handle, and the bottom of the surface of the high-voltage switch handle is movably connected with a mounting seat connected with a high-voltage switch through a first rotating shaft. And the bottom of the high-voltage switch handle is movably connected with a connecting structure for pushing the high-voltage switch through a second rotating shaft. By arranging the high-voltage switch handle, the mounting seat, the connecting structure and the locking mechanism, the safety and the convenience of high-voltage switch operation can be improved, the high-voltage switch handle can flexibly perform switching operation through the movable connection of the first rotating shaft and the second rotating shaft, meanwhile, the design of the connecting structure is convenient for pushing the high-voltage switch, and the operation is convenient. And the locking mechanism is fixedly connected, so that the misoperation of the high-voltage switch handle is effectively prevented, and the personal safety of operators and the stable operation of equipment are ensured.

The present application belongs to the field of steel pipe manufacturing auxiliary tools, in particular to a straight seam welded pipe inner weld polishing machine, aiming at solving the problems of low efficiency and poor quality of manual polishing due to the fact that the existing equipment is difficult to meet the requirements, the present application comprises a moving track, a lifting track, a beam cantilever and a polishing tool; the lifting track is arranged on the moving track, one end of the beam cantilever is arranged on the lifting track, and the other end of the beam cantilever is provided with the polishing tool; the polishing tool can enter the inside of the polished steel pipe to polish the weld; the polishing tool can move horizontally into the steel pipe through the setting of the moving track, and can rise and fall through the lifting track and the beam cantilever connecting the lifting track and the polishing tool, so that the polishing tool can accurately polish the weld of the pipe, improving the polishing accuracy and being more efficient than the manual polishing mode.

This invention relates to the field of air shaft technology, specifically to an air shaft that utilizes centrifugal force to compensate for tension force. It includes a shaft body and a shaft rod. The shaft body has multiple independent air chambers separated by solid material along its circumference. Each chamber contains an independent air chamber unit and is equipped with a corresponding storage chamber, centrifugal drive valve assembly, and linkage adjustment mechanism. During high-speed rotation, the centrifugal force drives the valve to open and connect the air passage. Simultaneously, a gear and rack structure drives a baffle to increase the effective volume of the storage chamber. Some gas flows from the air chamber unit into the storage chamber to reduce the air pressure and suppress centrifugal overshoot. When the rotation speed decreases, the valve closes, the baffle moves back, and the gas flows back to the air chamber unit, restoring the pressure. Each chamber also has a constraint structure composed of a semi-ring and an elastic rod to suppress local bulging of the air chamber. This invention achieves the synergy of adaptive independent pressure regulation and passive structural constraint, allowing reversible adjustment of air pressure at each circumferential position and effectively eliminating tension force fluctuations.

The invention discloses a winding device, and relates to the technical field of automatic winding, and the winding device comprises four winding assemblies which are respectively located at four vertexes of a rectangle; the winding assembly comprises a mounting base, a lower die and an upper die, the lower die and the upper die can synchronously rotate around a vertical axis; the two transferring assemblies are located on the two sides of the four winding assemblies in the second direction respectively, and each transferring assembly corresponds to two winding assemblies distributed in the first direction at intervals; the transferring assembly comprises a first sliding rail, a second sliding rail, a third sliding rail and a material taking part. For the two winding assemblies which are distributed in the first direction at intervals, when one winding assembly conducts the winding process, the other winding assembly is matched with the transferring assembly to conduct the transferring process; the mounting base and the transferring assembly are located on the two sides of the upper die in the second direction, and the four winding assemblies are all arranged outwards. According to the winding device, multi-station efficient operation is guaranteed, meanwhile, the structure of the winding assembly can be simplified, and the observability and maintainability of equipment are improved.

The utility model discloses a kind of large width lithium battery copper foil slitting and winding device, it includes slitting machine wallboard, upper winding device and lower winding device. By moving 210mm left to upper winding device motor drive end, moving 210mm right to lower winding device motor drive end, and adjusting transmission gear shaft spacing and speed reducer position, realize the space separation of upper and lower winding, while custom-made lengthened air inflation shaft to meet the winding demand of 1800mm width copper foil. The application can efficiently complete the upper and lower winding of large width lithium battery copper foil while slitting and winding, significantly improve equipment utilization and production efficiency, reduce transformation cost, provide technical support for lithium battery material processing.

This invention relates to the field of planetary gear reducer technology, specifically a double-satellite gear reducer. The outer gear of the double planetary gear meshes with the sun gear, and the inner gears of the double planetary gears simultaneously mesh with the outer gears of adjacent double satellite gears. The outer gears of the double satellite gears also simultaneously mesh with the inner gears of adjacent double planetary gears. The inner gears of the double satellite gears mesh with a ring gear, which outputs torque. Compared to existing technologies, this invention solves the problem of excessive size in planetary gear reducers with larger speed ratios due to the increased number of stages. Within the speed ratio range of 30-150, compared to traditional planetary reducers, the size is almost unchanged while the number of meshing teeth is increased, increasing the reducer's output torque. Simultaneously, the reducer's power is further distributed, improving its structural strength. The equal meshing opportunities of each gear improve overall operational stability and accuracy, making it suitable for various industries and equipment.

The invention provides a nuclear fuel assembly grillwork laser welding chamber, system and method.The welding chamber comprises a welding chamber body, an atmosphere control system, a welding displacement system and a control system, and a driving assembly and a detection assembly of the welding displacement system are both arranged outside the welding chamber body; and the positioning assembly is connected with a displacement assembly arranged in the sealed welding space through a transmission assembly. A heating source and a precision measuring element are moved out of a welding cavity, the problems that according to a traditional built-in scheme, sealing reliability is low, heat dissipation safety risks are large, and high-precision control and equipment cost are difficult to consider at the same time are effectively solved, the sealing difficulty and cost are remarkably reduced, meanwhile, direct high-precision feedback of an external detecting element is utilized, and the sealing reliability is improved. And high safety, high precision and high reliability in the welding process are achieved.