2308 results about "Constant speed" patented technology

The invention discloses an auxiliary braking control method, device and equipment and a storage medium, and relates to the technical field of vehicles, and the auxiliary braking control method comprises the steps that when the current braking state is a constant-speed braking state and the whole vehicle working condition parameters meet the constant-speed braking condition, the target speed difference is determined according to the target braking vehicle speed and the current driving speed; a target speed regulation torque is obtained according to the target speed difference, the current vehicle load, the current vehicle slope and a preset mapping relation; and performing auxiliary braking control on the vehicle according to the target speed regulation torque. Different braking torques are adaptively adjusted according to different load slopes, under the condition that the set vehicle speed is reached, the braking torque gradually approaches 0, the vehicle speed is kept constant, the continuous and effective braking effect can be guaranteed without operation of a driver, the auxiliary braking torque is adaptively adjusted, the auxiliary braking control method adapts to the full-slope and full-load working condition, and the driving safety is improved. The problem that the auxiliary braking torque is too large or too small and cannot be adjusted is solved.

The invention relates to the technical field of pipe welding, and discloses special welding equipment for an inner pipe connection type heat insulation oil casing, which comprises a welding table, a pipeline clamping mechanism is arranged at the top of the welding table, and the pipeline clamping mechanism comprises two rotating rings. During oil pipe machining, two oil pipes penetrate through the fixing rings to be connected, the electric telescopic rods drive the V-shaped clamping plates to clamp the oil pipes, and the driving motors enable the supporting rollers to support the oil pipes through the gears and the lead screws. The adjusting motor is matched with a related structure, so that the grinding wheel and the arc-shaped grinding piece are attached to oil pipes with different diameters. The grinding motor and the rotating motor work cooperatively to comprehensively grind the oil pipe, during welding, the oil pipe rotates at a constant speed to achieve uniform welding, and after welding, the grinding wheel and the arc-shaped grinding piece clean weld joints. In addition, in the polishing process of the equipment, a cleaning brush is driven to clean a polishing part through transmission of a gear and a chain, the polishing and welding quality is guaranteed, and the machining efficiency is improved.

The invention provides a method for planning a target speed curve in a train pull-in parking stage. The method comprises the following steps: S1, reading speed limiting information in a train pull-in braking stage from a route electronic map; s2, according to the speed limiting information, a pre-braking rate sequence is obtained based on a segmented uniform deceleration motion model; s3, smoothing the pre-braking rate sequence to obtain a target braking rate sequence; s4, obtaining a target speed curve of each speed limiting section based on an acceleration and deceleration motion model according to the target speed and the target braking rate sequence at the starting point; and S5, performing interpolation processing on the target speed curve of each speed limiting section to obtain target speed curves at equal time intervals so as to complete the target speed curve planning in the train arrival parking stage. According to the method, the target speed curve in the train pull-in parking stage is smooth, the braking deceleration change in the whole deceleration stage is small, the situation of switching between deceleration and constant speed back and forth is avoided, the riding comfort of passengers is greatly improved, and the operation energy consumption is correspondingly reduced.

The invention relates to the technical field of belt conveyor dynamic characteristic research, in particular to a wheel track type belt conveyor dynamic characteristic simulation method, which comprises the following steps of: establishing dynamic models of a conveying belt, a vehicle supporting device, a tensioning device and a driving device, setting dynamic parameters and boundary conditions and initial conditions of the dynamic models, and calculating dynamic characteristics of the conveying belt, the vehicle supporting device, the tensioning device and the driving device. And compiling a calculation program by using numerical calculation software, and simulating the vibration condition of the conveying belt at a bearing section and the vibration condition of the conveying belt passing through a track gap when the conveying belt runs at a constant speed. According to the method, the MATLAB is used for numerical calculation simulation analysis, and the dynamic response condition of vibration in the advancing process of the conveying belt can be accurately subjected to simulation analysis; and the MATLAB numerical simulation result is verified in combination with a three-dimensional simulation mode, so that the accuracy of the simulation result is ensured.

The invention relates to the technical field of grease detection, discloses a method for detecting the height of grease in an oil tank and sampling, and aims to solve the problems of high labor intensity and low operation efficiency and accuracy in the conventional method for detecting the height of grease in the oil tank. Controlling the gear motor to drive the reel to rotate, so that the plumb bob descends from the initial position at a constant speed, and acquiring a pressure value detected by the tension sensor in real time when the plumb bob descends; according to the pressure value, the starting moment when a plumb bob makes contact with the liquid level and the ending moment when the plumb bob makes contact with the tank bottom are determined, the descending length of the lifting rope between the starting moment and the ending moment is determined, and the descending length is the height of grease in the oil tank. According to the invention, the labor intensity of grease height detection and sampling is reduced, and the working efficiency and accuracy are improved.

The invention discloses a straight gear shape-free measurement method based on single-group line structured light. The method comprises the following steps: constructing an optical platform coordinate system, carrying out line structured light coordinate system calibration through a spherical calibration body, and calibrating the rotation center of a precision turntable; installing a measured straight gear, establishing a straight gear coordinate system, and adjusting the position of the linear structure optical measuring head, so that the measuring field of view of the linear structure optical measuring head covers a root circle to an addendum circle of the straight gear; the straight gear is installed on a precision rotary table, the straight gear is driven to rotate at a constant speed, a linear structure optical probe scans and collects straight gear contour point cloud data and circular grating angle information, and tooth surface three-dimensional point cloud data is obtained; based on the three-dimensional point cloud data of the tooth surface, extracting an addendum circle, a dedendum circle and an involute tooth profile, and calculating spur gear parameters; performing reverse three-dimensional shape modification tooth surface identification on the shape modification straight gear to generate a three-dimensional deviation diagram; and outputting a measurement result and printing a report. The problems of shape-free rapid measurement, modification tooth surface identification and tooth surface three-dimensional deviation characterization of the straight gear with unknown basic parameters are solved.

A method for determining a torque scaling factor for an elevator motion control system (10) connected to and configured to operate an elevator motor (302). The method comprises performing (110) a test run of an elevator car (310) in an elevator shaft (340) of an elevator system (300) by utilizing the elevator motion control system (10) and the elevator motor (302), wherein the test run comprises a constant speed portion (21) into a first direction and a constant speed portion (22) into an opposite second direction, determining (120), average values of torque references used in the elevator motion control system (10) during the constant speed portions (21, 22), determining (130), average motor mechanical power values of the elevator motor (302) during the constant speed portions (21, 22), and determining (140), the torque scaling factor based on the determined average torque references, the determined average motor mechanical power values, and a speed (VTEST) during the constant speed portions (21, 22).

A friction stir spot welder includes: a pin; a shoulder; a rotary driver; a tool driver; and circuitry that performs an operation of driving the rotary driver and the tool driver such that the pin and the shoulder press a workpiece by a first pressing force while rotating at a first rotational frequency, and after the operation, performs an operation of driving the rotary driver and the tool driver such that a tip of the shoulder in a rotating state is pressed in to a first position. The first position is a position corresponding to 46% or more of a thickness of the workpiece from a front surface of the workpiece. A press-in speed of the shoulder until the shoulder reaches the first position is a constant speed.

The invention relates to the technical field of oral soluble film detection, and discloses automatic oral soluble film detection equipment which comprises an outer cover, and a conveying belt module, a detection module, a sorting module, a transmission module, a blocking mechanism, an alarm module and a control module are arranged in the outer cover; the conveying belt module comprises a conveying belt, a driver and a spacing plate and is used for bearing and conveying products, the spacing plate is used for keeping the distance between the products, and the driver drives the conveying belt to move at a constant speed; and the detection module comprises a plurality of high-precision probes, a sensor module connected with the high-precision probes, a probe base and a left-right adjusting mechanism, and is used for detecting the thickness and defect condition of the oral soluble film product. Through a mechanical arm assembly, a linear sliding rail, a controller and a vacuum suction cup of the sorting module, accurate sorting operation is achieved according to a detection result, it is ensured that qualified products are stably classified, unqualified products are rapidly removed, the sorting efficiency is improved, manual intervention is reduced, and the intelligent level of a production line is improved.

A massage robot and a control method therefor. The massage robot comprises a robot body (1). The robot body (1) comprises an information acquisition portion (4), a system control portion (2), and a massage execution portion (3). The information acquisition portion (4) acquires an image of a region to be massaged. The system control portion (2) plans a massage trajectory, a pose trajectory, and a massage force level. The massage execution portion (3) performs massage on the basis of the plan set by the system control portion (2). By fitting the massage trajectory to match the contours of the human body, smooth transitions between respective curve segments are achieved, and throughout the entire motion process, the intermediate segments in the trajectory are all traversed at a constant speed, achieving smooth and stable movement, and maintaining constant-force pressing to achieve the massage effect.

The invention belongs to the technical field of meat processing, and particularly relates to automatic beef slicing equipment which comprises a rack, a conveyor, a fixing mechanism, a quenching assembly and a cutting structure, a bottom plate is fixedly arranged on the rack, the fixing mechanism comprises a side pressing assembly and a downward pressing assembly, and the bottom plate is fixedly arranged on the conveyor. The rapid cooling assembly is arranged on the fixing mechanism, the rapid cooling assembly is in sliding fit with the vertical sliding groove and the reversing sliding groove, the cutting structure is installed on the rack, the fixing mechanism of the equipment is provided with the side pressing assembly and the downward pressing assembly which can be automatically adjusted according to the width of beef, and the shape of the beef on the bottom plate can be fixed; the beef is driven to move to the cutting structure at a constant speed from the upper part through the conveyor to be sliced, so that the obtained meat slices are small in difference in thickness, size and appearance quality, and the problem that the consistency of finished products is influenced as the meat slices cut in the prior art are different in thickness, size and appearance quality is effectively solved.

The invention relates to the technical field of new energy vehicles, and particularly discloses a control method, system and device for steep slope slow descent of an electric vehicle and a storage medium, and the method comprises the steps that a vehicle control unit calculates the required torque value of the vehicle at the actual vehicle speed based on the current gear, the actual vehicle speed, the slope, the vehicle mass and the state of a power battery; sending a negative torque request to the motor based on the demand torque value; the state of the vehicle is monitored, when it is monitored that the current state of the vehicle meets the preset abrupt slope slow descent function condition, according to the met abrupt slope slow descent function condition, the motor torque and air brake synergistic effect are dynamically adjusted based on the negative torque request, and the cruise switch of the abrupt slope slow descent function is controlled; therefore, the vehicle can run at a constant speed under the downhill road condition. According to the scheme, the abrupt slope slow descent function of the vehicle is controlled, potential safety hazards when the vehicle is driven on a high-speed downhill road section are avoided, and the safety of the whole vehicle is effectively improved.

The invention belongs to the technical field of glide control, and relates to a direct lift active disturbance rejection control method suitable for flying wing layout. According to the method, a trailing edge flap is introduced to serve as a main lift control surface, meanwhile, a constant attack angle is kept through a lifting aileron so as to balance part of pitching moment generated by the trailing edge flap, and therefore the attitude of the aircraft is stabilized, and the constant speed is maintained. In the actual flight process, external disturbance is inevitable, so that an original glide control strategy is improved and optimized in combination with an active disturbance rejection control method. Compared with a traditional glide control method, the flying wing layout direct lift active-disturbance-rejection control method provided by the invention has remarkable anti-interference capability and excellent glide control performance, and shows a wide application prospect.

The invention discloses a variable sweepback aircraft variant structure with inner and outer telescopic wings. The variable sweepback aircraft variant structure comprises outer wings, a fuselage, a lead screw system, push rods, inner wings, push rod connecting pieces, graphite copper sleeves and upper and lower guide rails, wing accommodating grooves are formed in the two sides of the fuselage respectively and used for accommodating the outer wings and the inner wings; the inner wing is located in the outer wing and connected with the outer wing through a rotating pair, and rotating motion can be achieved. The inner and outer wings are provided with chutes with special tracks, one end of a push rod is connected with the chutes, the other end of the push rod is fixed with a sliding table of a ball screw through a connecting piece, and a motor drives the screw to rotate to realize symmetrical movement of the push rod, control of actions of the inner and outer wings and wing deformation. Through the design of the sliding grooves of the inner and outer wings, the push rods are connected with the inner and outer wings through the sliding grooves, a certain supporting effect is achieved, the length of the sliding grooves is increased, the change range of the sweepback angle can be increased, the constant-speed movement of the lead screws realizes constant-speed extension of the outer wings and constant-speed rotation of the inner wings through movement of the push rods along the sliding grooves, and the overall structural design is simple and ingenious and flexible and convenient to use.

[Problem] To provide a video output system, a video output program, and a video output method which are capable of supporting determination of a referee in a match competition and improving the reliability of the determination result. [Solution] Video capturing devices 10 captures a competing scene of both players who compete in a stadium, and the captured videos are outputted to monitors 80 disposed at referees. The output videos are output such that a real-time video is output to a first referee at a constant speed, and a specific video edited by using a part of the real-time video is output to a second referee at a slower speed than the constant speed. On the basis of the specific video, the second referee can verify the determination made by the first referee, thereby improving the reliability of the determination result.

The utility model discloses a cathode roller on-line copper ring turning tool device which comprises a supporting frame, a positioning block and a positioning frame are arranged above the supporting frame, a connecting frame is arranged on the positioning frame, a lead screw mechanism module is fixed on an installation plane of the connecting frame, and the lead screw mechanism module comprises a module base, a lead screw, a sliding block and a handle. A turning tool rest mechanism is fixedly arranged on the lead screw mechanism module and comprises a dovetail guide rail, a double-lug handle with a lead screw and a turning tool clamp. According to the utility model, the bearing seat of the roller grinding machine is used for fixing and positioning, the positioning mechanism, the screw rod mechanism, the turning tool rest mechanism, the bearing mechanism and the like are integrated, and the characteristic that the cathode roller can rotate at a constant speed and a constant speed is utilized, so that manual grinding of copper rings is upgraded to turning tool turning operation, the labor intensity is greatly reduced, and the production efficiency is improved. And the surface roundness, straightness and roughness of the coped copper ring are guaranteed, and then the technical effects of reducing safety risks, reducing labor cost and improving working efficiency and operation precision are achieved.

The present invention relates to the technical field of semiconductor processing and cleaning, and particularly to a Bernoulli chuck and a use method. The Bernoulli chuck comprises: a supporting seat which is rotatably arranged, wherein a plurality of supporting columns are rotatably arranged at the top of the supporting seat, holding columns are eccentrically arranged at the tops of the supporting columns, a shifting plate is arranged on the side wall of each supporting column, and a through shifting notch is formed in the shifting plate; a rotating seat which is coaxially arranged at the top of the supporting seat, wherein a shifting column is arranged on the rotating seat, the shifting column is always fitted into the shifting notch, and a plurality of elastic structures are arranged between the bottom of the rotating seat and the top of the supporting seat, so that when the supporting seat rotates at a variable speed, the rotating seat can rotate relative to the supporting seat, and when the supporting seat rotates at a constant speed from a variable speed, the rotating seat can return to the initial position; and a suction assembly coaxially arranged on the supporting seat.

The invention discloses a method and a device for testing normal-temperature driving range of an electric vehicle based on a road. The method comprises the following steps: determining the normal-temperature driving maximum dischargeable capacity E of a power battery of a to-be-tested vehicle based on the normal-temperature driving maximum dischargeable capacity test of the to-be-tested vehicle; determining the constant-speed working condition power consumption EC1 of the to-be-tested vehicle based on the constant-speed working condition power consumption test of the to-be-tested vehicle; determining the variable-speed working condition power consumption EC2 of the to-be-tested vehicle based on the variable-speed working condition power consumption test of the to-be-tested vehicle; based on the E and the EC1, the driving range of the to-be-detected vehicle during constant-speed driving is determined; and based on E and EC2, determining the driving range of the to-be-detected vehicle during variable-speed driving. According to the method and the device, test conditions and boundaries are unified and constrained, the consistency and the comparability of road driving range test results are improved, and the vehicle driving range obtained through test is more fit with the real endurance level of the vehicle based on the v-a distribution and the power consumption weight of the CLTC-P standard working condition.

The utility model relates to the technical field of hydraulic engineering detection, in particular to a reinforcing steel bar strength detection device for hydraulic engineering, which comprises a base, the top of the base is symmetrically and fixedly connected with fixing plates, the fixing plates are connected with a force application rod through a lifting mechanism, and one side, close to the force application rod, of each fixing plate is provided with an L-shaped reinforcing steel bar placing groove. And one side of the fixed plate is symmetrically and fixedly connected with reinforcing steel bar placing hoppers. A servo can control a driving gear to slowly rotate at a constant speed clockwise through a driving rod, the driving gear can control a feeding plate to move outwards from the interior of a reinforcing steel bar placing groove through a tooth groove, then reinforcing steel bars in a feeding opening can fall into the reinforcing steel bar placing groove, and then the driving gear is controlled to rotate anticlockwise; the feeding plate can be controlled by the tooth groove to move towards the inside of the reinforcing steel bar placing groove and push the reinforcing steel bars to a detection position, and the operation is cycled, so that a plurality of reinforcing steel bars can be respectively fed into the reinforcing steel bar placing groove for detection, and the operation is relatively convenient.

The invention discloses a cruise management method and device for an extended-range electric vehicle, relates to the technical field of intelligent electric vehicles, and mainly aims to realize fine management of the extended-range electric vehicle under a cruise working condition, improve the fuel efficiency and ensure the fuel economy and the endurance achievement rate. According to the main technical scheme, when the vehicle is in a hybrid control mode, the cruise working condition of the vehicle is determined according to the vehicle existence condition within a first distance in front and the road unobstructed state within a second distance in front, and the cruise working condition comprises constant-speed cruise and vehicle-following cruise; if the vehicle is cruise at a constant speed, controlling the range extender to output according to a multi-point control strategy in the cruise at the constant speed of the vehicle; if yes, the range extender is controlled to output according to a power following strategy in the vehicle following cruise process. The method is used for cruise management of the extended-range electric vehicle.

The stacking and powder scattering mechanism comprises a base, a hopper frame and a powder collecting bin, and the base is provided with a bearing table and a moving mechanism for driving the bearing table to transversely move at a constant speed in a reciprocating mode; the hopper frame is erected at the upper end of the base, a hopper and a powder blocking mechanism are fixedly installed on the hopper frame, a containing cavity used for containing materials is formed in the hopper, a discharging opening communicated with the containing cavity is formed in the bottom of the hopper, and the discharging opening in the bottom of the hopper is higher than the bearing table by a certain distance. The driving piece can drive the baffle to move so as to open or close the discharging opening. The powder collecting bin is fixedly arranged at the lower end, corresponding to the hopper, of the base and used for collecting powder falling from the bearing table or directly falling from the discharging opening, through the arrangement, automatic and uniform powder scattering of the neodymium-iron-boron magnetic blocks can be achieved, powder scattering is more uniform, and the powder scattering efficiency is higher.

The invention discloses a local rolling forming method for a high-temperature alloy gradient structure dual-performance disc and the disc. The two sides of the disc piece are provided with annular groove structures stretching across the disc center to the disc edge partial area. The forming method comprises the steps that a high-temperature alloy disc blank is installed to a mandrel of a clamping part to rotate at the constant speed; the high-temperature alloy disc blank is heated, a disc center area of the high-temperature alloy disc blank is cooled, the temperature of the high-temperature alloy disc blank is formed, and a high-temperature alloy rolling forming temperature gradient interval is kept; according to the thickness of the high-temperature alloy disc blank, the first deformation ratio and the second deformation ratio, the first axial pressing amount of each pass of rolling in the disc center area and the second axial pressing amount of each pass of rolling in the disc edge area are set, the two sides of the high-temperature alloy disc blank are rolled outwards in the radial direction of the disc center area from the specific position of the disc center area in sequence, and a disc piece is formed; and carrying out water cooling treatment on the heat-treated disc to room temperature. According to the invention, the purpose of accurately controlling the crystal double-organization structure in the integral forming of the high-temperature alloy with lower production cost and manufacturing period can be achieved.

The invention relates to the technical field of laser cutting, and particularly discloses a laser cutting device based on H-shaped steel structure production. A laser cutting unit; a feeding unit; a correction unit; and a guide unit; the guiding unit conducts self-adaptive movement along the bending path of the H-shaped steel structure and guides the deviation rectifying unit to drive the laser cutting unit to conduct transverse compensation in real time, it is guaranteed that the height of the laser cutting path is consistent with the height of the extending path of the H-shaped steel structure all the time, and the laser cutting unit can achieve transverse deviation rectifying while longitudinal feeding is conducted; therefore, curvature changes in any direction can be flexibly responded, the system is particularly suitable for an H-shaped steel structure with irregular bending characteristics, in the process that the feeding unit drives the laser cutting unit to longitudinally feed at a constant speed, the system automatically completes path tracking and transverse compensation, and continuous high-precision cutting operation is achieved.

The utility model discloses an automatic crucible crushing device for monocrystalline silicon preparation. The automatic crucible crushing device comprises a rack, a rotary supporting mechanism, a walking clamping mechanism, a crushing mechanism and a lifting mechanism, the lifting mechanism comprises a lifting oil cylinder and a lifting frame; the crushing mechanism comprises a crushing frame, a crushing arm and a crushing tool bit arranged at the bottom of the crushing arm; according to the utility model, the walking holding and clamping mechanism, the rotary supporting mechanism and the crushing mechanism are arranged, the self-walking holding and clamping mechanism extends out to hold and clamp a crucible to a crucible crushing position to continuously clamp and fix the crucible, the crushing mechanism descends at a constant speed to crush the crucible, and the rotary supporting mechanism bears the crucible to rotate by a certain angle according to the crushing requirement; the actions are repeated for multiple times for automatic crushing, so that the crushing of the crucible is efficiently and quickly solved and the damage to the crucible side is reduced on the premise of not damaging the crucible side, and the production efficiency is improved by 3-5 times compared with manual treatment.

The invention discloses an anti-shaking control method for a bridge type grab ship unloader based on input shaping and orbit planning, relates to the technical field of cranes, and constructs a bridge type grab ship unloader system dynamics model capable of describing variable amplitude motion, rotary motion and lifting motion. According to the starting point and the ending point, trajectory planning is conducted on the acceleration section, the constant-speed section and the deceleration section of the running process. The swing period is estimated according to the length of a steel wire rope from the front end of a trunk beam of the bridge type grab ship unloader to a hoisting center, shaping processing is conducted on input signals based on the swing period, and initial swing of the system is reduced. In the constant speed section, the deflection angle is obtained in real time, acceleration and deceleration control is conducted according to the size and direction of the deflection angle, and swing generated by real-time disturbance in the movement process is well restrained. According to the anti-swing control method, better anti-swing control can be achieved, the stability and safety of the bridge type grab ship unloader are improved, and the control method is simple, easy to implement in engineering and quite wide in engineering application prospect.

The invention provides an oil well oil pumping speed curve optimization method, system and equipment and a storage medium, and belongs to the technical field of petroleum industry, a plunger motion curve is expressed as a trapezoidal motion curve by establishing a relational expression of pump efficiency and plunger motion speed, a plunger motion equation is expressed in a Fourier series expansion form, and the pump efficiency and the plunger motion speed are optimized. And determining constraint conditions according to oil well swabbing parameters to obtain an optimized plunger motion equation. According to the optimized oil pumping speed curve, the plunger can move at a constant speed for a long time in the up-down stroke, the good inlet and outlet instantaneous displacement can be maintained in the swabbing process, the oil well pump efficiency is improved, meanwhile, the unstable factor of sudden acceleration change of a trapezoidal motion curve is overcome, impact is effectively reduced, and motor operation is more stable.

The utility model discloses a rotary clamping type carrying mechanical claw, which relates to the technical field of machinery and comprises a support frame, rotating shafts are rotatably connected to two sides in the support frame, driven bevel gears are fixedly mounted on the outer surfaces of the rotating shafts, and clamping claws are fixedly mounted on the outer surfaces of the rotating shafts. The middle of the supporting frame is rotationally connected with two driving bevel gears meshed with the driven bevel gears respectively, a driving mechanism for driving the two driving bevel gears to reversely rotate at the constant speed is fixedly installed on the upper surface of the supporting frame, and the driving mechanism comprises a transmission box with a self-locking function. The transmission case is reasonable in design structure, the driving straight gears at the two output ends of the transmission case can reversely rotate at a constant speed through transmission of the transmission case by working of the power source, and the driven straight gears are driven to reversely rotate at the constant speed. The two coaxial driving bevel gears are arranged to drive the driven bevel gear with the clamping jaw to rotate, and then tightening of the clamping jaw can be achieved.

An isokinetic control module and method for incorporation on both new and existing exercise equipment. The control module replaces standard friction and hydraulic resistance components offering constant speed of the moveable elements of the machine rather than a selected resistance or weight. The constant user-generated resistance prevents injury and enhances strength training of the targeted muscle groups by maintaining constant strain on those muscles throughout the exercise. This method and device incorporates both a PCFC valve and a check valve device, removing all resistance the moment the user stops applying force to the machine. This enhances safety and facilitates the rapid return of the lifting element to its home position between repetitions. An optional graphical display is also disclosed.

The utility model discloses a rope winding machine, and aims to provide a rope processing mechanism of the rope winding machine, which can keep a rope tight in a rope pulling process, has a good winding effect and can prevent the rope from being knotted and broken at the same time, and is characterized in that the rope penetrates through a rope routing device and a rope pulling device and is fixedly wound in a rope winding device; meanwhile, the thread rope can be kept tight through the thread pulling device, so that the thread rope is kept to move at a constant speed in the machining process, the effect of wound finished products is improved, a knotting detection function and a thread breakage detection function are arranged in the thread routing device, the situation that the thread rope is knotted and broken in the thread routing process, and consequently the yield of the finished products is affected is prevented, and the production efficiency is improved. Furthermore, a meter counting wheel is arranged in the wiring device, so that the length of the processed thread rope can be clearly and intuitively detected, the man-machine interaction effect is good, and the automatic thread rope winding machine is suitable for the technical field of automatic thread rope winding machines.

The invention discloses a copper foil cutting and punching cooperative control method and equipment. The equipment comprises a continuous discharging device, a copper foil punching device, a cutting and pulling device and a cooperative control system. The continuous discharging device feeds materials at a constant speed, and a material storage assembly is arranged between discharging and punching to form a buffering section. The copper foil punching device is used for carrying out intermittent punching on the copper foil; the cutting and pulling device comprises a feeding assembly, a cutting assembly, a pneumatic pressing assembly and a pulling assembly and is used for conveying, clamping and cutting the copper foil, the pneumatic pressing assembly can push the remaining copper foil to a clamping position after cutting, and the copper foil is prevented from falling off; the cooperative control system is combined with a sensor detection signal to dynamically adjust the action rhythm of discharging, punching and cutting, and coordination and synchronization of multiple procedures are achieved.