485 results about "Synchronism" patented technology

The invention discloses a mutual inductor digital output synchronism detection method and system, particularly relates to the field of electric power engineering detection, and is used for solving the problem of synchronism deviation concealment caused by phase-locked loop drift of digital output of an electronic mutual inductor in an intelligent substation. A uniform time frame is utilized to penetrate through the whole process, synchronization deviation is continuously mapped into a phase migration track, long-term drift and instantaneous jitter are analyzed on two scales by means of phase shift stacking quantity and pulse dispersion rate, two kinds of heterogeneous features are converted into a single drift tradeoff coefficient through Gaussian process regression, and a stability domain threshold value is dynamically revised according to the single drift tradeoff coefficient; after the threshold is triggered, the minimum adjustment amount is immediately issued to the phase-locked loop and is synchronously verified, so that the clock adjustment action and the drift monitoring are mutually nested; the protection device continuously receives the stable sampling sequence, the tripping misjudgment rate is remarkably converged, the inspection period is prolonged, and additional hardware investment is not needed.

The utility model relates to the technical field of circuit breaker structures, in particular to a rotating shaft structure of a double-breakpoint molded case circuit breaker, which is characterized in that a rotating shaft main body is of an integral structure design, a contact groove is formed in the rotating shaft main body along the radial direction, the middle part of a moving contact is inserted into the contact groove, and two ends of the moving contact penetrate out along an opening of the contact groove; the static spring shaft and the moving spring shaft are used for being in butt joint with the static contact, the static spring shaft and the moving spring shaft are located on the two sides of the moving contact respectively, the two ends of the contact spring are connected to the static spring shaft and the moving spring shaft respectively, and the moving spring shaft is pulled through elastic tension of the contact spring so that the two sides of the moving contact can abut against the inner side wall of the contact groove respectively. Due to the integral structure design of the rotating shaft main body, the three-phase synchronism of the molded case circuit breaker is consistent, the limit breaking capacity and the operation breaking capacity of the circuit breaker are greatly improved, the safety and the reliability of the circuit breaker in operation are improved, and the electrical life of the circuit breaker is prolonged.

The invention relates to an intelligent pushing monitoring system for a steel grid beam, and the system is characterized in that a data processing module constructs a processing system covering a data collection-washing-storage full link, and provides a high-confidence data base for an intelligent deviation rectification module; through synchronous monitoring of steel grid beam pushing distance, attitude parameters, guide beam front end elevation, temporary pier settlement and transverse and longitudinal corners by the geometric monitoring module, and through combination of data acquisition of stress deformation of key components by the structure monitoring module, omnibearing real-time monitoring of spatial geometric parameters and mechanical states in a construction process is realized. The intelligent deviation rectifying module receives the preprocessed geometric monitoring parameters in real time, automatically generates a jack stroke adjusting instruction and directly issues and executes the jack stroke adjusting instruction, one-key adjustment is achieved, the defects of operation delay and deviation rectifying discontinuity caused by manual calculation and segmented adjustment are overcome, the pushing synchronism control precision is effectively improved, and the working efficiency is improved. The stress balance of the beam body in the pushing process is guaranteed from the system level, and the safety risk is reduced.

The invention relates to the technical field of badge production, in particular to badge production equipment with foam sticking and film tearing functions, which comprises a machine table, a linear circulating conveying mechanism, a plurality of upper cover carriers, a lining paper supply mechanism, a picture supply mechanism, a lower cover pin mounting and foam sticking machine, a lower cover feeding station, a press-fitting forming device and a multi-station synchronous feeding manipulator. The assembly of the upper cover assembly and the assembly of the lower cover assembly are synchronously carried out, pin assembly, foam pasting and film tearing are completed on line, the automation degree is high, the badge production efficiency is greatly improved, the labor intensity and the labor cost for producing badges with foam are reduced, the structural layout is reasonable and compact, and the production efficiency is improved. All feeding and transferring actions can be completed only through the multi-station synchronous feeding mechanical arm and the multi-station synchronous transferring mechanical arm, the using number of the mechanical arms is reduced, the production and manufacturing cost is reduced, and feeding and transferring synchronism is good.

The invention discloses a pipe network flow closed-loop regulation-oriented double-body valve coordination control system and method, and relates to the technical field of data acquisition control. The double-body valve coordination control system and method for pipe network flow closed-loop regulation comprises the following steps that S1, a double-body valve data set is collected to be subjected to segmented scaling normalization processing; s2, fragmented recombination and time sequence consistency screening are carried out, and quality scoring is carried out; s3, a double-body valve adjusting instruction is generated for combined control, and a control strategy state is output; and S4, establishing an associated index for each sampling time slice, and performing integrated version archiving and playback recalculation. The synchronization, stability and traceable operation and maintenance capability of cooperative closed-loop adjustment of the double-body valve are effectively improved, and the problems of asynchronization and mutual interference in cooperative control of the double-body valve are solved.

The invention provides a tee joint cold-pushing one-time forming device and a tee joint cold-pushing one-time forming process, and belongs to the technical field of three-pushing pipes. A three-way rack; the three-way cold pushing table is arranged at the upper end of the three-way rack; the three-way pipe placing groove is formed in the upper end of the three-way cold pushing table; the three-way forming groove is formed in the lower inner wall of the three-way pipe placing groove; the number of the hydraulic fixing devices is two, and each hydraulic fixing device comprises a clamping pressurizing block, a three-way pipe hydraulic clamping block, a three-way pipe fixing ring, a first oil groove, a front pushing block, a hydraulic oil connecting groove, a second oil groove, an oil groove partition plate, an oil groove communicating hole, a clamping inserting rod, an oil groove plugging block, a sliding-in sleeve and a sealing ring; the linearity and synchronism of the clamping action are effectively guaranteed, and deviation or clamping stagnation in the clamping process is prevented.

The invention relates to the technical field of rolling equipment, in particular to a linkage adjusting mechanism for roller spacing and pressure detection, an adjusting method and a three-roller machine, the adjusting mechanism achieves precise adjustment of the roller spacing through linkage of a supporting seat, a bearing seat, a connecting rod assembly and a linear driving part, and pressure is monitored in real time through a pressure sensor on a connecting rod. The three-roller machine is integrated with the adjusting mechanism and further comprises a rotation driving mechanism for driving the rollers to rotate and a feeding and discharging component. According to the adjusting method, by fixing or driving the linear driving piece and the bearing seat, roller distance adjustment and pressure real-time monitoring are achieved. The device solves the problems that traditional equipment is low in adjusting precision, lags behind pressure detection and the like, has the advantages of being good in adjusting synchronism, timely in pressure feedback and wide in application range, and can be used for material rolling and dispersion machining.

The invention discloses a centering adjusting mechanism which comprises a base plate, a guide unit is arranged on the base plate, the guide unit is in sliding connection with a plurality of positioning assemblies, each positioning assembly comprises a positioning block and a connecting shaft, a rotating disc is rotationally connected to the base plate, a plurality of driving inclined grooves are formed in the rotating disc, and the driving inclined grooves are connected with the positioning blocks. The connecting shafts are connected into the corresponding driving skewed slots, the positioning blocks are located on the side, away from the base plate, of the rotating disc, and each driving skewed slot comprises a contraction end relatively close to the side of the center of the rotating disc and an expansion end relatively away from the side of the center of the rotating disc. And the extension direction of the driving chute is staggered with the guide direction of the guide unit. According to the centering adjusting mechanism, when products with different sizes are placed, all the positioning blocks can be synchronously adjusted, so that the adjusting synchronism is improved, and the adjusting efficiency can be improved to the maximum extent.

A synchronization mechanism, a rotating shaft mechanism, and an electronic device are provided. The synchronization mechanism in this application may be applied to an electronic device such as a mobile phone, a tablet computer, a tablet computer accessory, or a wearable device. The synchronization mechanism includes a base, a slider, an elastic component, and a first swing arm and a second swing arm that are on two sides of the slider. A helical surface elastically abuts against an abutting portion under an action of the elastic component, so that the first swing arm and the second swing arm rotate at a same angle relative to the base. The elastic component can enable the helical surface and the abutting portion to be always in an abutting state during rotation of the swing arms, so that rotation synchronization of the swing arms on the two sides is improved.

The invention relates to the technical field of motor driving control, and discloses a motor driving method with low delay response. The method comprises the steps of collecting real-time operation parameters such as motor speed data, position data and current data, determining a low-delay control model based on the parameters, generating a dynamic adjustment instruction by using the model and applying the dynamic adjustment instruction to a motor driving system, and executing feedback calibration operation according to motor response data so as to update the model. Parameters are collected in real time, and an adaptive control model is constructed, so that a control instruction can be changed along with the running state of the motor, and the lag of an intermediate link is reduced; the dynamic adjustment instruction directly acts on the driving system, and the response speed is increased; the feedback calibration criterion compensates performance drift through continuously optimizing the model, and ensures that the motor keeps stable dynamic performance under different working conditions. The method can enhance the response capability of the motor in the scenes of load sudden change, speed switching and the like, improve the synchronism of multi-motor cooperation, reduce mechanical wear, and is suitable for various motor types and application scenes.

The invention discloses a wireless cooperative control system and method for an equipment cluster, relates to the technical field of equipment cooperative control, and is used for solving the problem of how to realize a PTP-like slave synchronization mechanism and timestamp re-calibration filtering through software so as to eliminate the influence of clock drift, cross-domain time synchronization errors and wireless jitter. By introducing time synchronization middleware, especially a time delay decomposition engine, complex end-to-end wireless communication time delay can be accurately decomposed into a fixed component and a random jitter component, modeling and estimation are carried out based on observable features, the precision and robustness of wireless time synchronization are remarkably improved, and the time synchronization efficiency is improved. And the influence of the uncertainty of the wireless channel on the synchronization performance is overcome.

The invention relates to the technical field of scraper conveyors, in particular to a scraper conveyor chain fault monitoring method and system, and the method comprises the steps: obtaining a first sensor monitoring signal and a second sensor monitoring signal at two chains of a scraper conveyor; determining a synchronism index between the two chains according to the multi-dimensional time domain characteristics of the first sensing monitoring signal and the second sensing monitoring signal; under the condition that the synchronism index is lower than a first threshold value, the matching degree between the multi-dimensional time domain feature of the current operation period of the single-side chain and the multi-dimensional historical time domain feature of the historical operation period of the single-side chain is determined, and under the condition that the matching degree of the single-side chain is lower than a second threshold value, it is determined that the single-side chain has a chain breakage fault; and according to the speed change trend of the chains on the two sides of the scraper conveyor in the current operation period, whether the scraper conveyor has a double-chain broken chain fault or not is determined. According to the invention, the reliability of monitoring the chain breakage fault of the chain of the scraper conveyor is improved.

The invention relates to the technical field of electronic component processing equipment, in particular to a terminal pin bending device, which realizes synchronous and symmetrical bending of pins on two sides of an electronic device through synchronous opposite movement of two groups of bending modules arranged in mirror symmetry, ensures complete synchronism of bending movement on two sides, and improves the processing efficiency. Meanwhile, the bending module is provided with an extrusion part, a check block is arranged at the bottom of the material disc, guide sliding grooves are symmetrically formed in the two sides of the check block, and the guide sliding grooves are matched with the extrusion part, so that it is ensured that the pins are evenly stressed in the bending process, and the pins are effectively prevented from being deformed and damaged; in addition, a linear conveying assembly is arranged to achieve accurate positioning and conveying of the trays; the jacking assembly drives the bending assembly to ascend and descend stably, and mutual interference among multiple mechanisms is avoided. The lifting module is used for quickly lifting and positioning the charging tray; the downward pressing mechanism applies stable downward pressing force to the electronic device, displacement of the electronic device in the bending process is prevented, and the bending quality is ensured.

The invention relates to the technical field of electronic component processing equipment, in particular to a two-way bending mechanism which is characterized in that through precise matching of an inclined guide sliding groove and bending execution pieces, when a driving module drives a movable base plate to move, the two bending execution pieces are guided by the guide sliding groove to accurately and synchronously move towards each other or away from each other; not only are the synchronism and the stability of bidirectional bending actions ensured, but also deviation or deformation of the pins in the bending process can be effectively avoided; due to the arrangement of the elastic element, the bending execution piece has an automatic reset function, and the continuous operation efficiency is improved; due to the combined design of the limiting plates and the supporting ribs, the bending stroke is accurately controlled, and stable bearing is provided; according to the pin bending machine, through cooperation with the product conveying assembly, the height-adjustable jacking module and the downward-pressing fixing module, full-process automatic operation from automatic product conveying to precise positioning and stable bending is achieved, the machining precision and production efficiency of pin bending are greatly improved, and the pin bending machine is particularly suitable for pin machining of high-density and large-batch electronic components.

The invention relates to a high-precision tail end path control method for improving the multi-axis synchronization performance of a robot, and the method comprises the steps: building an incidence matrix of a Cartesian space path error and a joint space tracking error of each axis, and constructing a collaborative coupling error which is linearly combined by the joint space tracking error and a multi-axis synchronization error, according to the joint space tracking errors of all the shafts, balance scaling matrixes of all the shaft systems under different characteristics are established and used for adjusting control commands of all the shafts, the cooperative coupling errors are corrected, and the cooperative coupling errors containing the characteristics of all the shafts are obtained; three-ring cascade control is designed to track target torque, speed and position set by the robot; and a synchronous controller of an RBF neural network dynamic model is designed, so that a robot multi-axis cooperative system is established, and high-precision tail end path control of multi-axis synchronization performance is realized. According to the method, the robot path error problem is converted into the motion synchronization problem, multi-axis coordination control is achieved, and therefore the contour precision is improved.

The utility model discloses a part clamping device for a metallurgical rolling mill guide plate, which belongs to the technical field of guide plate processing, and comprises a workbench mechanism and a transmission mechanism, at least two portal frame mechanisms are fixed on the workbench mechanism, a driving mechanism is arranged on each portal frame mechanism, and the transmission mechanism is fixed on the workbench mechanism. And a pressing mechanism is fixed on the driving mechanism. Through the arrangement of the driving mechanism, the lead screw mechanism and the transmission mechanism, bottom bearing and two-way clamping of workpieces are achieved, clamping is more stable, workpiece stress is more uniform, displacement of the workpieces during machining can be effectively avoided, the synchronous rate of the clamping mechanisms on the two sides is high, the positions of the workpieces are not prone to change when the different workpieces are clamped, and machining efficiency is improved. By means of the driving mechanism and the pressing mechanism, a workpiece can be pressed from the upper portion during clamping, so that the workpiece is prevented from tilting during machining, and the pressing mechanism can be suitable for various workpieces with different thicknesses.

A video synchronous display method, device, equipment and medium are disclosed. The method is executed by a first chip, the first chip is a screen casting end, and the first chip receives screen casting data and a screen casting instruction sent by a second chip as a screen casting end. The method comprises the following steps: when a pause screen casting instruction sent by the screen casting end is received, a video frame number value of a video frame sequence to which a current starting frame belongs is analyzed; a current to-be-decoded frame number is determined according to a current decoded frame number of the video frame sequence and the video frame number value; to-be-decoded video frame information is determined according to the current to-be-decoded frame number and final video frame information that has been received; the to-be-decoded video frame information is transmitted to a decoder, and a target picture fed back by the decoder with respect to the to-be-decoded video information is displayed. The consumption of cpu resources and VPU is reduced, the synchronism of video display at two ends of a cross system is realized, and the quick response of the screen casting end when the screen casting end resumes playing is realized.

The invention discloses a periodic synchronous position interpolation control method and system for a servo driver, and relates to the technical field of servo control, and the method comprises the steps: receiving a synchronous position instruction at a fixed bus period, and recording a theoretical / actual arrival timestamp of the synchronous position instruction; converting the instruction into a position increment and storing the position increment into a buffer; calculating a cache saturation index reflecting instruction stream supply and demand balance in real time; based on the index and the change trend, dynamically calculating and smoothly adjusting a next position loop sampling period through a feedback control model; position loop processing is triggered in the post-adjustment period. According to the invention, by monitoring the instruction stream state and adaptively adjusting local processing, the influence caused by master and slave clock skew and network jitter is compensated, and continuous and uniform instruction input is ensured to be always obtained by a position ring, so that high-stability and high-precision motion control under bus communication is realized, and the anti-interference capability and the synchronization performance of the system are improved.

The invention discloses a high-precision self-timekeeping method based on an FPGA, and relates to the technical field of high-precision time synchronization, and the method comprises the steps: providing a 10MHz system clock through a constant-temperature active crystal oscillator, carrying out the up-sampling of the clock frequency to 200MHz through a phase-locked loop frequency multiplication algorithm, and carrying out the up-sampling of the clock frequency to 200MHz; performing time synchronization on the system by using reliable time data and effective pulse per second signals provided by a satellite module, screening and selecting reference pulse per second, recording reference pulse per second data of at least 30 minutes, monitoring a rising edge of the pulse per second based on a sampling rate of 200MHz, and storing a maximum value of a counter per second to an RAM (Random Access Memory); the high-precision self-timekeeping method based on the FPGA not only can cope with complex environmental conditions, but also can ensure that stable synchronization performance is kept under long-time operation, so that the strict requirement of a modern high-precision time synchronization system on clock precision is met.

The invention relates to an overall system conversion process after accumulative slippage of a space pipe truss, and relates to the technical field of steel structure construction. According to the process, a supporting bracket and a jack system are installed, and a mode of combining graded unloading and lateral pushing is adopted, so that accurate conversion of a truss from a temporary supporting state to a design position is achieved. The method comprises the key steps of step-by-step unloading with 20 mm as a circulation unit, jack bottom supporting height adjustment, hydraulic synchronous control and lateral limiting measures. The method solves the problems of poor synchronism, stress concentration and the like in a traditional unloading method, has the advantages of high in-place precision, high in safety, high in construction efficiency and the like, and is suitable for construction of a large-span space pipe truss structure.

The invention discloses an encryption burst communication receiving method based on an FPGA, and belongs to the technical field of burst communication. According to the invention, the problems of poor synchronization performance and poor anti-interference capability at the receiving end in the existing method are solved. According to the method, the carrier synchronization range is expanded by introducing the pilot frequency to enable the synchronization heads to be '1', the limitation that a conventional frequency offset estimation algorithm can only work under the condition that the Doppler frequency shift is smaller than 0.5 times of the symbol rate is broken through, and the capacity of the system for adapting to the high-dynamic environment is improved. A spreading code continuous tracking working mode is designed, coarse estimation and synchronization are carried out in a frame header part, spreading codes are still adopted in an information part, and continuous tracking is carried out, so that the system can adjust the phase of the spreading codes in real time in the whole frame to solve the problem of phase error accumulation caused by adopting a low-precision clock; the problems that when one frame of data at the sending end is long, the synchronization performance is reduced when a low-precision clock is adopted, and even effective synchronization cannot be achieved are solved. The method can be applied to the field of burst communication.

The application provides a rotating mechanism and a sample detection device, and relates to the field of industrial quality inspection.The mechanism comprises a driving member, a fixing member, a profile member, a rotating assembly and a detection table; the fixing member is connected with the driving member and is driven by the driving member to rotate around a predetermined axis; the profile member has a preset profile surface on the side facing the rotating assembly, which is used to provide motion trajectory guidance for the rotating assembly; the rotating assembly is connected to the fixing member and comprises a follower, a mounting seat and a transmission rod; the detection table is fixedly connected with the transmission rod and is used to place a to-be-detected object; wherein, the follower is fixedly connected with the mounting seat and is in sliding cooperation with the profile surface; the transmission rod penetrates through the mounting seat and is threadedly connected with the mounting seat, so that when the follower slides relative to the profile surface, the detection table rotates.The sample detection device comprises the above rotating mechanism.The rotating assembly has high reliability and good synchronism while improving the comprehensiveness and efficiency of detection.

The utility model relates to the technical field of jaw crusher bodies, and discloses a crushing and screening synchronous jaw crusher which comprises a jaw crusher body, a screening mechanism is arranged below the jaw crusher body, and a damping mechanism is arranged below the screening mechanism; the screening mechanism comprises a driving part and a screening part; the screening part is located on the right side face of the driving part. The damping mechanism comprises a fixing part and a damping part; the damping part is located on the inner side face of the fixing part. According to the screening mechanism, a motor in a driving part is utilized, the motor is started to drive a cam, so that the cam is matched with a screening box, the screening box is driven to swing on the surface of a sliding rod under the action of a sliding plate, screening is carried out, fine particles fall into a collecting box, the collecting box is pulled to slide in a sliding groove, and pulling-away is carried out; and materials with small particle sizes on the jaw crusher can be screened out in time to be classified and collected, so that subsequent processing is facilitated.

The utility model relates to the technical field of label detaching machines, in particular to a label detaching machine convenient to operate, which comprises a workbench, a label pressing assembly, a label detaching assembly and a transfer assembly, according to the label detaching machine convenient to operate, a traditional label detaching machine needs to manually connect materials for blanking, and the label detaching machine achieves automatic clamping and transferring of the materials through the arrangement of the transfer assembly. The first propeller pushes the clamping assembly to move, a gear in the clamping assembly is matched with a rack, a clamping plate is driven to be opened and closed, and the ejected trademark is automatically clamped. The second propeller can finely adjust the clamping force of the clamping plate through the shifting block, manual operation is not needed, the labor intensity is reduced, and the working efficiency is improved; the meshing structure of the gear and the two sets of racks ensures the synchronism and stability of opening and closing of the clamping plates, so that the clamping plates can uniformly clamp materials. Friction pads are arranged on the sides, close to the center of the box body, of the clamping plates, friction force between the clamping plates and the materials is increased, and the materials are further prevented from sliding off in the clamping and transferring process.

The invention provides a synchronous sliding rail which comprises a traction assembly, a first sliding rail assembly and a second sliding rail assembly, and a synchronous transmission device is arranged between the first sliding rail assembly and the second sliding rail assembly. The traction assembly comprises a traction power source and a traction piece; the synchronous transmission device comprises a first steering part, a second steering part, a first transmission group, a second transmission group, a third transmission group and a fourth transmission group; the first sliding rail assembly and the second sliding rail assembly are provided with a first clamping piece and a second clamping piece correspondingly. The traction piece is connected with the first clamping piece, the first transmission set, the driving wheel, the third transmission set, the second clamping piece, the second steering piece, the fourth transmission set, the second transmission set, the first steering piece and the first clamping piece and forms a closed synchronous transmission loop which is driven by the traction power source to enable the first sliding rail assembly and the second sliding rail assembly to synchronously reciprocate. The structure is simple, synchronization performance is high, transmission is smooth, operation stability is improved, and use quality of products is ensured.

The invention belongs to the technical field of quality detection, and provides a light high-reliability heat dissipation cold plate brazing forming process which comprises the steps that through multi-power testing, the surface temperature conditions of a heat dissipation cold plate finished product under different powers are obtained, a local overheating area is screened, the diameter of a welding spot air hole in the heat dissipation cold plate finished product is obtained, and a suspected welding spot defect area is obtained; carrying out coincidence analysis on the local overheating area and the suspected welding spot defect area to obtain a co-occurrence sub-area, carrying out synchronism analysis on the temperature and the pore diameter in the co-occurrence sub-area under overload power, judging whether relevance exists or not, if yes, obtaining a local temperature-welding spot defect relevance model, and if not, obtaining a local temperature-welding spot defect relevance model; and whether a high error exists in the current air hole diameter detection result of the heat dissipation cold plate finished product or not is judged based on the correlation model, if yes, correction is carried out, heat dissipation cold plate defect classification is carried out according to the air hole diameter of the heat dissipation cold plate finished product after correction, and the production quality and use reliability of the heat dissipation cold plate can be improved.

The utility model relates to the technical field of roller shutter doors, in particular to a multi-angle traction device for a roller shutter door, which comprises a wind-up roller A and a wind-up roller B. The wind-up roller A and the wind-up roller B are vertically arranged, the opposite ends of the wind-up roller A and the wind-up roller B are connected through a linkage mechanism, and a power mechanism is arranged at the end, far away from the wind-up roller B, of the wind-up roller A; and a driving shaft and a guide shaft are arranged above the winding roller A and the winding roller B respectively. The single-motor driving system is matched with the bevel gear linkage mechanism, synchronous operation of the multi-angle winding device is achieved, the problem that a traditional multi-motor driving system is poor in synchronism is thoroughly solved, it is ensured that a complete and continuous fireproof barrier is formed when a roller shutter is unfolded at the corner, and the service life of the roller shutter is prolonged. And by adopting the combined design of universal joint transmission and chain wheel and chain transmission, the energy consumption and maintenance cost of the system are greatly reduced while the transmission precision is ensured, and compared with a traditional multi-motor system, the system has higher reliability and economical efficiency.

The utility model discloses a single-cylinder cylinder connecting rod clamp, which relates to the technical field of clamping jaws, is used for solving the problems of unsatisfactory clamping effect and poorer stacking effect of a multi-cylinder clamping jaw, and comprises a connecting flange, a first bracket, a second bracket and a cylinder positioning disc, a piston rod at the top of the air cylinder is connected with the first support, a first supporting arm is arranged on the periphery of the first support, a second supporting arm corresponding to the first supporting arm is arranged on the periphery of the second support, the first supporting arm is rotationally connected with a first connecting rod, and the first connecting rod is rotationally connected with a second connecting rod. According to the scheme, a single air cylinder is adopted to control a plurality of claw teeth to conduct grabbing operation, linkage of a plurality of air cylinders is not needed, clamping is stable, synchronism is good, the stacking effect is very good, and the problems that the clamping effect of a multi-air-cylinder clamping claw is not ideal, and the stacking effect is poor are solved.

The present application relates to a kind of multi-wing folding wing deployment consistency test device, belong to detection equipment field, solve the measurement precision of existing folding wing deployment time detection equipment is lower, cannot accurately measure the problem of folding wing deployment time and synchronism.The present application includes: folding wing fixed component and wing bundle release component;Wing bundle release component includes: folding wing fixed pressing plate, in-place photoelectric sensor and folding wing fixed base plate;The folding wing mechanism to be detected is clamped and fixed between folding wing fixed base plate and folding wing fixed pressing plate;In-place photoelectric sensor monitors whether the wing of folding wing mechanism is deployed in place;Wing bundle release component includes: bundle release base, wing bundle release base plate, electric push rod and locking assembly;Locking assembly is arranged on wing bundle release base plate and locks or unlocks the wing of folding wing mechanism;Electric push rod is used to drive wing bundle release base plate displacement.The present application realizes the detection of the deployment synchronism of multiple wings of folding wing.

The invention discloses a virtual synchronous generator coordination control method and system, and belongs to the technical field of virtual synchronous generator control, and the method comprises the steps: constructing a multi-virtual synchronous generator parallel admittance model, and carrying out the dynamic compensation of a power angle in the multi-virtual synchronous generator parallel admittance model based on an equal area rule, and obtaining an active power reference value; inputting the active power reference value into the multi-virtual synchronous generator parallel admittance model, designing a phase angle decoupling coordination strategy to decouple a phase angle, and eliminating cross coupling in the multi-virtual synchronous generator parallel admittance model and interference of each phase angle control ring; and optimizing multiple virtual synchronous generator parallel admittance model parameters and verifying the system stability of the model to realize virtual synchronous generator coordination control. According to the method, the problems of phase angle coupling, power oscillation and synchronism of the multi-virtual synchronous generator parallel admittance model under asymmetric line parameters are solved, and the transient / steady-state performance and anti-disturbance capability of the model are improved.