127results about How to "Avoid jitter" patented technology

The invention discloses an intelligent dynamic load balancing method and system based on Clico-VPP. The method comprises the following steps: acquiring a load state index of a back-end service pod; according to the load state index and a service capability coefficient corresponding to the back-end service pod, calculating a dynamic traffic allocation weight of the back-end service pod through a weighted calculation model; based on a dynamic threshold synchronization strategy, synchronizing the state of a first hash ring located in a control plane to a second hash ring located in a forwarding plane; and based on the second hash ring, determining a target pod for the input data stream through consistency lookup. A double-loop decoupling architecture is provided, hash rings of a control plane and a forwarding plane are separated, a synchronization strategy is determined through a dynamic threshold value, decision intelligence and forwarding stability are both considered, and jitter is avoided; meanwhile, a dynamic weight-driven consistent Hash algorithm is adopted, a real-time load index and Pod service capability are fused to calculate a dynamic weight, and the dynamic weight is mapped into the number of virtual nodes, so that intelligent scheduling based on capability and maximum maintenance of connection during capacity expansion and contraction are realized.

The application provides a kind of control method and system of robot synchronous movement based on multiple heterogeneous components decoupling, it is related to robot technical field;The method accesses heterogeneous hardware with uniform interface, establishes the standardized capability description containing coordinate system, constructs uniform space mapping between components, includes the same space reference with robot and target object;Uniformly encode the generalized state vector of each component motion degree of freedom, calculate the generalized jacobian matrix combined with task target, assign weight in generalized null space according to task priority, calculate synchronous control quantity and complete safety boundary verification;Convert the verified high-order geometric path into time synchronization trajectory conforming to the three-order control limit, issue execution unit and close-loop correction.The application solves the problems of poor universality, difficult integration and reuse, full-body synchronous movement of chassis and operating arm that cannot realize space-time reference unification, and lack of unified safety verification and data recording, effectively improves operation accuracy, operation safety and system maintainability.

The present application relates to the field of plate processing device, specifically to a flexible finishing mechanism, by setting the first and second side of the mold body as a smooth surface, used to guide the smooth entry of the plate, avoiding the sharp collision of the traditional disc mold, solving the problem of easy to produce wave under high speed. By setting the first and second torsional spring, used to provide continuous elastic buffer force, compared with linear spring, torsional spring is not easy to fatigue relaxation under long-term alternating load and easy to adjust the preload, solving the problem of unstable processing effect caused by the performance decline of traditional spring. By setting the first bearing, used to change the sliding friction between the first mold body and the plate into rolling friction, by setting the second bearing, used to change the sliding friction between the second mold body and the plate into rolling friction. At least solve one or more of the deficiencies of the existing finishing mechanism in high speed adaptability, adjustment convenience and long-term stability.

The invention relates to the technical field of steel pipe grinding, in particular to a hot-dip galvanized steel pipe wall galvanized layer thickness adjusting system which comprises a bottom plate, electric sliding rails, a bidirectional electric guide rail, a grinding machine and the like, the two electric sliding rails are installed at the top of the bottom plate, and the bidirectional electric guide rail is installed between sliding blocks of the two electric sliding rails; and grinding machines for grinding the two ends of the steel pipe are mounted at the bottoms of two sliding blocks of the two-way electric guide rail. Steel pipes can be conveyed rightwards through the feeding conveyor and conveyed into the V-shaped groove for loading, zinc coatings at the two ends of the steel pipes can be ground through the grinding machine, after grinding is completed, the conveying frame continues to rotate, and the ground steel pipes can gradually get close to the discharging conveyor and roll to the discharging conveyor for unloading; feeding and discharging are automatically carried out, the production continuity is higher, and therefore the production efficiency can be improved, and the continuous and efficient production requirement is met.

This utility model relates to the field of ball screw machining technology and discloses a double-push ball screw cyclone milling machine, including a housing. Two drive assemblies are provided on the inner walls of both sides of the housing. A cyclone milling cutter assembly is mounted on the upper drive assembly. A fixed platform is fixedly connected to the bottom inner wall of the housing. A slide is slidably connected to the upper surface of the fixed platform. A carriage is adjustablely mounted on the upper surface of the slide. A three-jaw chuck is rotatably connected to one side of the carriage via a bearing seat. A deceleration assembly is provided on one side of the carriage to slowly rotate the three-jaw chuck. This utility model uses two independent drive assemblies to move the workpiece and the cyclone milling cutter assembly respectively, allowing them to move in opposite directions to precisely control the workpiece's movement and axial feed, and to control the high-speed rotation and axial position of the cyclone milling cutter. The relative cutting motion between the two significantly improves machining efficiency.

The invention discloses a path tracking control method suitable for crawler-type agricultural equipment. The method comprises the following steps: S1, building a navigation hardware control system on crawler-type equipment; s2, designing a Kalman filtering algorithm to filter the course angle of the crawler-type equipment; s3, correcting an equipment positioning error caused by the attitude angle; s4, a fusion algorithm of the Stanley algorithm and the Pure Pursuit algorithm is designed; s5, designing an enhanced SPP algorithm; s6, performing secondary optimization on the control law output by the SPP algorithm by using a fuzzy PID control algorithm; and S7, fitting a total control law equation in combination with the control algorithm, and converting the control law into the linear speed of the left and right tracks of the crawler-type equipment so as to realize steering and straight movement of the crawler-type equipment. According to the invention, a complex agricultural environment is regarded as a black box system, and item-by-item optimization is carried out by superposing an algorithm with high interpretability, so that the adaptability of a control system to the black box system is improved, and finally, the equipment path tracking precision is improved step by step.

This invention belongs to the field of spinning technology and relates to a coarse denier, low-pore polyester medium-oriented yarn and its production method. The production method involves extruding the melt from the spinneret's orifices, then sequentially passing through a windless zone, a transition zone, and a side-blown cooling zone. The windless zone and transition zone are the upper and lower sections of the same cylindrical component, respectively. Different spinnerets correspond to different cylindrical components, and the cylindrical components do not directly contact the spinnerets. The upper section of the cylindrical component has no through holes in its wall; the lower section has through holes on its wall to guide ambient air into the interior of the cylindrical component and prevent turbulence inside. The length of the windless zone is 5-6 cm, and the length of the transition zone is 6-10 cm. The percentage difference in wind speed between the side-blown cooling zones is no higher than 10%, where the percentage difference is calculated as (maximum wind speed - minimum wind speed) / maximum wind speed × 100%. This production method achieves uniform cooling of the inner and outer layers, resulting in coarse denier, low-pore polyester medium-oriented yarn with advantages such as high breaking elongation.

The invention relates to a video shooting method and device, electronic equipment and a medium. The video shooting method comprises the steps of collecting a first image in a process of shooting a video in an automatic zooming mode; according to a second image, determining affine transformation information for anti-shake, the second image being at least a part of the first image; scaling the second image according to the affine transformation information to obtain a target image of the first target size; and generating a target video according to the target image. According to the invention, zooming is realized in a zooming manner, and the sizes of the target images at different moments are fixed so as to avoid jittering of a video picture, thereby improving the quality of video shooting.

The utility model relates to the technical field of zipper tooth arranging and assembling, and discloses a zipper tooth arranging and assembling device which comprises a workbench, the top of the workbench is fixedly connected with a zipper tooth arranging machine used for conducting tooth arranging on a zipper belt, the top of the workbench is fixedly connected with a feeding frame, and the top of the workbench is rotationally connected with a tightening roller through a supporting plate. A motor is fixedly connected to the side wall of the supporting plate, the output end of the motor is fixedly connected to a center shaft of the tightening roller, a mounting plate is fixedly connected to the top of the workbench, two guide wheels are rotationally connected to the side wall of the mounting plate, and a tension adjusting mechanism used for adjusting tension of the chain belt is arranged on the side wall of the mounting plate. According to the zipper tooth arrangement assembly device, accurate adjustment of the tension of the zipper belt is achieved through the tension adjusting mechanism, and the problems that in the prior art, a zipper tooth arrangement assembly device cannot adjust the tension of the zipper belt, and the zipper belt is prone to loosening or tensile deformation are solved.

The utility model relates to nitrogen seal valve technical field, concretely for a kind of high-performance stable opening and closing nitrogen seal valve, including valve body, valve cover, valve rod, valve seat, valve flap and actuating mechanism, valve rod includes upper valve rod and lower valve rod, by setting up middle cavity sealing mechanism in upper and lower valve rod connecting part, double sealing guarantee is provided for actuating mechanism, when the sliding seal of valve rod and actuating mechanism appears wear and causes sealing failure, sealing diaphragm still can guarantee sealing effect, make lower membrane chamber be in stable operation state, guarantee the normal operation of actuating mechanism;Lower spring is set at bottom cover, by the collaborative work of lower spring and upper spring, make valve rod produce more linear, more accurate displacement response to slight pressure change, to improve overall control precision, make valve operation more stable.

The application belongs to the technical field of intelligent service robots, and relates to a home maintenance robot with omni-directional movement and electromechanical cooperative posture control, which comprises an omni-directional chassis, a multi-degree-of-freedom mechanical arm module, a capsule type modular intelligent material supply cabin, an environment sensing and interaction head module, a sensor group and a main controller. The chassis is driven by Mecanum wheels and motors; the material supply cabin comprises an annular cabin body assembly, a plurality of capsule cabins, a central feeding channel, a lifting feeding platform, a platform lifting driving mechanism, a cabin door opening mechanism, a discharging channel and a magnetic guide mechanism. The device can realize standardized classified storage of small standard parts, automatic cabin selection, single capsule release, central receiving and magnetic discharging, thereby reducing the risk of standard part scattering, mixing and jamming; effectively improving the passability of the robot in unstructured terrains such as carpets, doorsteps and slopes, avoiding the imbalance of the center of gravity when the mechanical arm extends for operation, and being compact in structure and suitable for daily maintenance of household items in single-family homes.

The utility model discloses a surgical crane tower with anti -shaking structure, including crane tower transmission subassembly and crane tower main part, the fixed end of crane tower transmission subassembly is fixedly arranged on the ceiling of room, and the movable end of crane tower transmission subassembly is connected with crane tower main part, and drives crane tower main part to be active through crane tower transmission subassembly, the fixed end of crane tower transmission subassembly is provided with extruded silica gel pad, when crane tower transmission subassembly is fixed on the ceiling, extruded silica gel pad is contacted with the ceiling, and then plays the role of shock attenuation and anti -shaking. The utility model discloses crane tower transmission subassembly has adopted extruded silica gel pad, effectively reduced the vibration and noise of fixed on the ceiling, thereby reduced the interference of external environment to crane tower main part, and through the combination of guide seat and guide rod, make the movement of movable plate more stable, greatly prevented the dither of crane tower main part in the use process, improved the overall stability of equipment.

The present application relates to a kind of borehole type static sounding device, it includes hydraulic power device, photoelectric separation cabin, suspension device, valve cabin, collection battery cabin, penetration propulsion device and probe in turn from top to bottom connection;Wherein, hydraulic power device is connected with external electricity by bearing cable interface, photoelectric separation cabin is connected with suspension device by axial positioning elastic card mechanism, suspension device is set in the middle position of borehole type static sounding device, hydraulic power device and collection battery cabin, penetration propulsion device are set to be located in the two sides of suspension device.The borehole type static sounding device of the present application can improve its stability when measuring, improve measurement accuracy.

The utility model relates to a vehicle door water cutting assembly, a vehicle door and a vehicle. The vehicle door water cutting assembly comprises a supporting plate, an inner water cutting part and a limiting assembly. The inner belt line comprises a main body part and a lip part, the main body part is connected to the supporting plate, and the lip part protrudes out of the end face, away from the supporting plate, of the main body part; the limiting assembly is connected to the supporting plate and comprises an abutting portion partially protruding out of the supporting plate, the abutting portion and the lip portion are located on the same side of the supporting plate, the length of the portion, protruding out of the supporting plate, of the abutting portion is adjustable, and the length of the portion, protruding out of the supporting plate, of the abutting portion is smaller than the length of the portion, protruding out of the supporting plate, of the lip portion when no force is applied. The length of the abutting part protruding out of the supporting plate is not smaller than the thickness of the body part. According to the scheme, the situation that the glass excessively extrudes the lip edge part of the inner sealing strip is avoided, then the problems of lifting abnormal sound, abrasion and the like caused by extrusion of the glass to the inner sealing strip are reduced, the sound quality of lifting of the glass is improved, the effect of preventing the glass from shaking when a door is opened can be achieved, and meanwhile the glass sealing strip can be applied to different requirements of different vehicles.

The application provides a control method and device of a vehicle steering system, the method comprising: determining a vehicle state according to operation data of the vehicle; when it is determined that the vehicle state is a steering obstacle state, setting a preset safety protection angle as a target angle of a steering execution mechanism, and controlling the steering execution mechanism to rotate to the target angle at a first angle change speed, the safety protection angle being determined according to a current protection threshold of an execution motor, the first angle change speed being a change speed of an actual angle of a pinion gear of the steering execution mechanism, and the first angle change speed being not greater than a preset change speed threshold; and when it is determined that the vehicle state is an out-of-steering-obstacle state, controlling the target angle to change from the safety protection angle to an instruction steering angle according to a duration, the instruction steering angle being related to a target steering angle of the vehicle, and the duration being a duration for which the vehicle is in the out-of-steering-obstacle state.

The utility model belongs to the technical field of binary fire extinguishing devices, and particularly relates to a binary fire extinguishing device which comprises a shell, a fire extinguishing agent bottle is arranged on the inner wall of the shell, a plastic connector is arranged on the upper portion of the inner wall of the shell and makes contact with the fire extinguishing agent bottle, and a conduction connector is arranged on the inner wall of the plastic connector and makes contact with the fire extinguishing agent bottle. And the conducting joint is in contact with the fire extinguishing agent bottle. The ball valve, the fire extinguishing agent bottle, the shell, the plastic connector and other structures are used in cooperation, the integrated pressing buckle fixing technology is adopted for the connecting portion of the fire extinguishing agent storage container and the valve pipe fitting, the traditional bolt fixing or gluing connecting mode is abandoned in the technology, the workload needed by equipment installation is effectively reduced, and the installation efficiency is improved. And on the basis of ensuring the sealing performance, the structural strength is also fully guaranteed.

The application provides a winding core spinning device based on a calculus principle and a method and application thereof. The device is provided with a negative pressure air suction port on a special-shaped plate, and a corresponding negative pressure airflow guide assembly is arranged above the negative pressure air suction port. Under the mutual cooperation of the diffusion flow guide hole and the negative pressure air suction mechanism, the spread fiber type short fibers with a certain width and uniformly distributed fiber height parallelism are obtained on the grid ring. Meanwhile, the short fiber sliver, core yarn and winding core yarn form a "y" shape structure in the winding core wrapping area. The core yarn self-rotation drives the short fiber sliver to be tightly wrapped and wound to the outer layer of the core yarn in the winding core wrapping area to form the winding core yarn. Then, the winding core yarn passes through the soft reinforcing winding core part, so that the wrapping layer is tightly attached to the yarn body under the action of temperature and pressure to form a good wrapping effect. The winding core yarn has a compact yarn body and a large core yarn proportion, solves the problems of small wrapping tightness, many wrapping exposed cores and low core yarn proportion of the core-spun yarn on the ring spinning machine, and greatly improves the yarn quality.

The centrifugal device for Chinese patent medicine production comprises a base, and a mounting groove is formed in the right side of the top of the base; the centrifugal barrel is fixedly connected into the mounting groove, a centrifugal motor is fixedly connected to the bottom of the centrifugal barrel, and a barrel cover is clamped to the top of the centrifugal barrel; and the object carrying barrel is placed in the centrifugal barrel, and the bottom of the object carrying barrel is connected with the centrifugal motor through a positioning unit. The utility model relates to the technical field of Chinese patent medicine production. According to the centrifugal device for Chinese patent medicine production, through the arranged liquid scraping assembly, liquid medicine left on the inner wall of the centrifugal barrel can be scraped off after centrifugal separation of medicine residues and the liquid medicine is finished, waste of the liquid medicine can be effectively reduced, automatic cleaning operation of the centrifugal barrel is achieved, the follow-up cleaning difficulty of the centrifugal device is reduced, and the production efficiency is improved. And the practicability of the centrifugal device can be greatly improved.

The invention discloses an intelligent ship collision avoidance decision-making system and method based on multi-source information fusion, and belongs to the technical field of traffic control and navigation safety, and the method comprises the steps: obtaining a ship observation sequence and environment constraint data, and constructing a unified observation frame sequence through alignment and resampling; executing track association and Kalman filtering to output a posteriori state; calculating relative motion parameters to obtain first meeting point time; generating a disturbance sample based on the missing measurement mask and the posterior covariance, recurring a track and executing non-dominated screening; abnormal sequences are eliminated through a sliding window, and rudder angle and rotating speed instructions are output according to the navigation obstructing area times and the inter-ship distance sequence. According to the method, the data-driven random deduction and multi-target optimization strategy is adopted, the problems of observation missing and motion uncertainty are effectively solved, and the collision avoidance safety and decision robustness of the ship in a complex environment are improved.

The application discloses an interactive method for quickly adding a recurring schedule in a waterfall month view. The method involves the following steps: providing a schedule template selector, performing schedule drop, conflict detection and prompt, and differential submission and server verification in the waterfall month view. The application provides a schedule template selector in the user interface, displays a plurality of predefined schedule templates, selects at least one schedule template from them, applies the schedule template to the corresponding date to generate a schedule instance and performs a preview in response to the user's operation on the date grid, performs conflict detection and prompt during the preview, and submits the data to the server in response to the user's submission operation. The application improves the accuracy and efficiency of the interactive operation process of quickly adding a recurring schedule in a waterfall month view, and solves the problems of incoherence, low efficiency and high error rate in the prior art.

This invention discloses a turning device for square steel used in elevator racks after rolling, belonging to the field of square steel turning technology. It aims to solve problems encountered by existing devices when machining square steel with large aspect ratios and poor rigidity, such as easy vibration in the middle section, interference from positioning and vibration coupling, low centering accuracy, and increased errors due to steel chip jamming. The device includes a turning equipment base, a machine tool guide rail base, a chatter suppression mechanism, a positioning and locking mechanism, and a flexible stabilizing mechanism. The chatter suppression mechanism slides synchronously with the tool holder adjustment table, and adaptively supports the middle section of the square steel through bimetallic strip thermal induction. A displacement sensor detects deformation in real time. The positioning and locking mechanism is linked by an electrical signal, driving the centering component to automatically center via a telescopic rod and gear rack. A metal conductive sheet contacts an electrical contact button to trigger an electromagnet, causing the magnetorheological fluid to harden and lock the ejector pin. The flexible stabilizing mechanism achieves radial stabilization through a triangular turntable and flexible support rollers, and synchronously links with an air duct to blow away steel chips. The three mechanisms work together to form a closed loop, improving machining accuracy and stability, and adapting to the large-scale machining needs of square steel for elevator racks.

The application discloses a damping head and damping mechanism, and belongs to the technical field of damping devices such as vehicle-mounted shooting equipment. The damping head comprises a connecting piece, a movable piece, a supporting piece and a damping structure, the damping structure is movably connected with the connecting piece and the movable piece respectively, one end of the movable piece is movably connected with the connecting piece, the other end of the movable piece is movably connected with the supporting piece, and one end of the damping structure, which is away from the connecting piece, is movably connected with the supporting piece. The damping head of the damping mechanism can drive the supporting piece to swing forward and backward or left and right through the telescopic movement of the damping head when the supporting piece tends to swing, so that the centrifugal force of the camera swinging is buffered, the camera is prevented from falling off the damping arm, the camera is prevented from shaking, and the stability of a shooting picture is ensured.

The utility model discloses a kind of extremely thin lithium battery copper foil intelligent efficient drying and low disturbance cooling system, including drying cabinet, cooling box, still including installation air knife drying system on drying cabinet and installation air knife cooling system on cooling box;The air knife drying system includes the heat source box at the top of drying cabinet, the heat conduction air pipe connected with heat source box, the hot air pipe at the inside upper and lower of drying cabinet and several equidistantly installed hot air knife on hot air pipe, the heat conduction air pipe is butt joint with hot air pipe;The air knife cooling system includes the cold source box on cooling box, the cold air pipe connected with cold source box, the cold air pipe at the inside upper and lower of cooling box and several equidistantly installed cold air knife on cold air pipe, the cold air pipe is butt joint with cold air pipe.The device uses double-sided symmetrical air knife drying system, symmetrical double cold air knife cooling system and monitoring system, effectively improve drying efficiency.

The utility model provides a kind of electric cleaning brush, comprising: main body;Including the brush head assembly of first brush head and second brush head;First connecting piece and second connecting piece, it is connected in the main body, first connecting piece is connected in first brush head, second connecting piece is connected in second brush head;Transmission shaft, the second connecting piece is connected in the transmission shaft;First gear and second gear, it is coaxially arranged with the transmission shaft, first gear is connected in the first connecting piece, second gear is connected in transmission shaft;First gear is configured to pass from the rotating motion of the drive component to first connecting piece, second gear is configured to pass from the rotating motion of drive component to the transmission shaft, so that transmission shaft drives the second connecting piece to rotate in the direction opposite to first connecting piece. First connecting piece and second connecting piece can drive first brush head and second brush head reverse rotation respectively, and the frictional force between the two and the force moment generated by surface to be cleaned at least one part is offset.

This utility model relates to the field of cable unwinding technology, specifically to a cable tray unwinding device. A cable bushing is rotatably connected to the inner side of a support frame, and a first limiting roller is rotatably connected to one side of the inner side of a mounting frame. A drive motor is bolted to one side of the outer wall of the mounting frame. A bottom frame, slidably connected to the inner wall of the mounting frame, is located at the bottom of the first limiting roller. A second limiting roller is rotatably connected to the inner side of the bottom frame. This design achieves active driving and synchronous control of the unwinding action, improving the stability and controllability of the unwinding process. The clamping structure between the first and second limiting rollers provides effective limiting support during cable unwinding, preventing lateral deviation and vibration of the cable during unwinding, significantly improving unwinding accuracy and operational stability. Furthermore, the sliding connection structure between the bottom frame containing the second limiting roller and the mounting frame allows the device to adapt to cable materials of different thicknesses, enhancing its adaptability and flexibility.

This invention discloses a method and system for controlling gear backlash meshing torque. It can obtain the corresponding active damping compensation torque based on the motor's rotational speed and vibration frequency at the current moment. The active damping compensation torque is then superimposed with a pre-calibrated torque to obtain the control torque, wherein the pre-calibrated torque is the torque value corresponding to the current moment in the torque curve obtained from pre-calibrated vehicle calibration. Based on the control torque, the active gear driven by the motor is controlled to mesh with the corresponding driven gear. Therefore, this invention can accurately find the appropriate torque based on the pre-calibrated torque curve, and form the control torque through closed-loop control based on the active damping compensation torque. Then, the motor is controlled based on the control torque to drive the active gear and driven gear to mesh, effectively solving gear backlash noise and gear backlash vibration, with a relatively ideal suppression effect.

This invention belongs to the field of pneumatic control valve technology, specifically providing a pneumatic shut-off valve. The invention aims to solve the problem of excessive noise during operation of existing pneumatic shut-off valves. To this end, the pneumatic shut-off valve of this invention includes a valve body assembly, a valve core assembly, and a sealing ring. This invention defines a distal variable volume cavity and a proximal variable volume cavity located on opposite sides of the axial direction of the movable yoke by having the valve core assembly and the valve body assembly jointly define such cavities. When the valve core assembly moves in one direction along its axial direction, the sealing ring first blocks the annular channel and then opens it. In this way, the initial movement of the valve core assembly is hindered by the air pressure difference, reducing its moment of inertia and speed, thereby weakening the impact force of the valve core assembly on the valve body assembly and reducing the noise during operation of the pneumatic shut-off valve.

The utility model relates to linear guide rail technical field, concretely to a kind of line rail clamp mechanism, comprising: track, the upper portion of track is provided with sliding seat;The middle part of brake seat is provided with through slot, the surface of driving rod is fixed with the anti-rotation convex strip corresponding and adaptation of anti-rotation groove, one end of driving rod is threadedly connected with support disc, and the other end is rotatably connected with jaw disc, the side of support disc is provided with fixed disc, and fixed disc is fixedly connected with brake seat, and the middle part of fixed disc is rotatably installed with adjusting bolt;Beneficial effects are that: by the middle part of through slot inner cavity mobile penetration is provided with strip-shaped toothed plate, the upper and lower sides of strip-shaped toothed plate are both provided with gear slot, and the upper and lower sides are both provided with outer gear ring with meshing, strip-shaped toothed plate slides along the length direction of itself, can drive outer gear ring and driving rod rotation, since support disc position is fixed, thus driving rod can drive jaw disc to translate when rotating, realize the clamping brake of track, to avoid that sliding seat shakes when positioning.

The utility model provides a fixing device for cylinder gasket welding, which is used for fixing a cylinder gasket for welding, and comprises two fixing components, each fixing component comprises a lifting plate, a sliding rail is arranged on the upper surface of the lifting plate, and the sliding rail extends along the X direction; the lifting driving part is used for driving the lifting plate to ascend and descend; the sliding placing frame is arranged on the sliding rails of the lifting plate and can slide relative to the sliding rails; a horizontal driving member; the first pressing and abutting piece is arranged on the sliding containing frame and used for limiting the air cylinder gasket in the Y direction; and the second pressing and abutting piece is arranged on the sliding placement frame and used for pressing and abutting the air cylinder gasket to the sliding placement frame. According to the fixing device for welding of the air cylinder gasket, the air cylinder gasket is pressed by arranging the first pressing and abutting piece and the second pressing and abutting piece, so that the air cylinder gasket can be prevented from shaking, and the welding position of the air cylinder gasket can be better attached.

The utility model relates to the technical field of wire rod processing, and discloses a wire rod anti-winding device which comprises a fixed seat used for being connected with a wire receiving frame and a pay-off rod capable of rotating around the axis of the fixed seat, the pay-off rod comprises a first rod body and a second rod body, and the second rod body is movably arranged at the end, away from the fixed seat, of the first rod body. The pay-off rod rotates around the axis of the fixed seat, the pay-off rod can rotate around the axis of the fixed seat, the pay-off rod can rotate around the axis of the first rod, the pay-off rod can rotate around the axis of the first rod, the pay-off rod can rotate around the axis of the first rod, and the pay-off rod can rotate around the axis of the second rod. The second rod body of the pay-off rod can move relative to the first rod body, and the second rod body can move in the first rod body according to the tension degree of the wire, so that the total length of the pay-off rod is adjusted, the actual stretching path of the wire is shortened in real time, distance extension caused by height difference is counteracted, and the wire is prevented from shaking or breaking.