256results about How to "Guaranteed control accuracy" patented technology

The invention relates to the technical field of visual recognition, and discloses a visual recognition obstacle detection method, device and equipment and a storage medium, and the method comprises the steps: carrying out the time alignment and space registration of image data collected by a visual camera in a walking-instead-of-walk robot and point cloud data collected by a laser radar, and obtaining a multi-modal data stream; inputting the multi-modal data stream into a recursive gating deep convolutional neural network for feature extraction to obtain a time sequence multi-modal fusion feature; calculating an inter-modal correlation matrix, and constructing a three-dimensional voxel grid to obtain a three-dimensional environment representation; performing two-stage detection on the three-dimensional environment representation to obtain a comprehensive obstacle representation; environment complexity evaluation is carried out according to the comprehensive obstacle representation, and a self-adaptive real-time obstacle avoidance control strategy is generated; the adaptive real-time obstacle avoidance control strategy is converted into an optimal control problem, and rolling time domain optimization is performed to obtain an optimal obstacle avoidance control sequence, so that the accuracy of obstacle detection is improved.

The invention discloses a limited micro-space pile foundation construction method based on a multifunctional pile machine, and belongs to the technical field of constructional engineering pile foundations. The limited micro-space pile foundation construction method comprises the following construction steps that S1, a matched drilling tool is selected according to the type of a pile foundation, wherein the type of the pile foundation at least comprises one of a cast-in-situ bored pile, a stirring pile, a high-pressure jet grouting pile and a threaded expanding body steel pile; s2, pile machine equipment is assembled and placed in place, wherein the pile machine equipment comprises a main machine assembly, a drilling rig assembly, a power head assembly and a multi-channel telescopic drilling rod; and S3, pile foundation construction is conducted, specifically, corresponding pile machine equipment and auxiliary equipment are started according to different pile foundation technologies to conduct pile foundation construction. According to the multifunctional pile machine, various pile foundation types can be constructed on one pile machine, the power head with the multi-channel flow divider and the multi-channel telescopic drill rod are matched, so that the pile machine can achieve efficient and environment-friendly pile foundation construction in a limited space, the adaptability and the integration degree of equipment are improved, continuous work in construction is reduced, and the construction efficiency is improved. And the construction efficiency is improved, and various geological conditions and construction requirements can be met.

The invention discloses a wireless flow regulating valve control method and system based on the Internet of Things, and relates to the technical field of wireless flow regulating valves, and the method comprises the following steps: 1, collecting the flow, pressure, temperature and vibration data of a fluid in real time based on a wireless sensor node, and calculating the flow, pressure, temperature and vibration data of the fluid based on a data processing unit and a machine learning reasoning unit; 2, sensor data, local data summarization, preprocessing and partial control decision data are received through a gateway; 3, uploading the data to a cloud server based on a distributed gateway network module; step 4, based on the cloud server cluster module, adopting a deep reinforcement learning algorithm to carry out adaptive learning and optimization, generating a flow regulation instruction and sending the flow regulation instruction to a flow regulation valve; 5, based on the intelligent flow regulating valve module, the control model is adjusted in real time through a multi-dimensional feedback system; and step 6, performing global optimization and maintenance on the overall control strategy based on a multi-dimensional user interface module.

The invention discloses a mechanical arm specified performance high-precision trajectory control method based on an improved super-torsion expansion state observer. The mechanical arm specified performance high-precision trajectory control method comprises the following steps that a dynamic model of an n-joint mechanical arm is established; the kinetic model of the n-joint mechanical arm is re-described as a mechanical arm kinetic model based on total disturbance; an improved super-torsion expansion state observer is designed to estimate the total disturbance in the mechanical arm dynamic model based on the total disturbance; and according to the equivalent control law, the switching control law and the total disturbance estimation value, a recursive integral sliding mode controller based on funnel error transformation is constructed, and trajectory tracking of the mechanical arm is achieved. According to the method, the convergence speed of the system can be effectively improved, the buffeting phenomenon in the system can be effectively inhibited, and meanwhile, the method has good anti-interference performance.

The invention relates to the technical field of equipment control, in particular to an intelligent control system of a molding sand separator, which comprises a separation management and control platform, a facility information unit, a deviation supervision unit, a regulation and control evaluation unit, a performance supervision unit, a reliability evaluation unit and a management response unit. According to the invention, analysis is carried out from two points of the control precision and the sensitivity of the target separation equipment control system, so that the control precision and the control sensitivity of the target separation equipment control system are guaranteed, and control performance supervision, evaluation and analysis are carried out in an information feedback and information fusion mode. Stable operation and efficient separation of the target separation equipment are ensured, and system reliability supervision, evaluation and analysis are performed on operation data of the target separation equipment control system in an in-depth manner, so that the reliability level of the target separation equipment control system is known, adjustment and management are facilitated, and the reliability of the target separation equipment control system is improved. Therefore, stable operation of the target separation equipment control system is ensured.

The embodiment of the invention provides a manipulator control method and system, and the method comprises the steps: generating a control instruction, carrying out the compression processing of the control instruction, and transmitting the compressed control instruction to a manipulator through a wireless module; determining a delay index according to the receiving time of receiving the execution result data and the sending time of sending the execution result data by the manipulator; wherein the execution result data is obtained by executing corresponding actions by the manipulator according to the received control instruction and is sent to the control end; determining a synchronization index according to the delay index and the interference index of the detected signal in the transmission process; and when abnormal synchronization is judged according to the synchronization index, optimizing a processing method of a control instruction and / or a transmission method of a wireless module. Through continuous synchronism detection and optimization adjustment, it can be guaranteed that the system keeps a stable and normal working state for a long time, the synchronization performance is improved, and the control precision of the manipulator is guaranteed.

The invention provides a full-size low-temperature medium outflow test system and an outflow test method. The system comprises a control system, an end socket, a storage tank, a conveying main pipeline, a pressure accumulator, a discharge pipeline, a filling pipeline, an air sealing pipeline, a pressurizing pipeline, a pressurizing tank, a liquid nitrogen filling tank car, a flow meter, a filling port, a regulating valve, a stop valve and an air sealing port. According to the system, a full-size test platform is built, low-temperature liquid nitrogen is used for replacing a low-temperature propellant, the working states of the pressurized conveying system under different flows and pressures are simulated, and the requirement that the system obtains the flowing performance closer to the real working condition through test examination under a low-temperature medium is met.

The invention relates to the field of servo motors, and discloses a motor rotor iron core and a motor cogging torque reduction method and device.The motor rotor iron core of a hemispheroid-like structure is composed of an iron core buckling point structure and a permanent magnet ring, and the outer contour of the bottom of the motor rotor iron core is a circle-like shape formed by connecting a plurality of three-section type geometric lines; the rotor has a unique three-section type rotor core excircle structure. According to the structure, the cogging torque can be reduced, the back electromotive force waveform sinusoidal property of the motor can be improved, the pole-arc coefficient is optimized by changing the circumscribed included angle between the straight line section and the arc section and the eccentric distance between the center of the arc section and the center of the rotor core, and the design target is completed through finite element analogue simulation analysis. Finally, the effects of reducing the cogging torque of the motor, improving the sine property of the back electromotive force waveform and guaranteeing the positioning and control precision of the motor are achieved.

The invention relates to a mechanical arm control information generation method and device and a surgical robot. The method comprises the following steps: determining a target operation position; through kinematics modeling, motion control information of the mechanical arm is determined based on the target operation position; inputting the motion control information into a pre-trained neural network model to obtain a predicted operation position corresponding to the motion control information; on the basis of the target operation position and the predicted operation position, under the condition that it is determined that the predicted operation position does not meet the requirement, the motion control information is adjusted, the adjusted motion control information is input into the neural network model, and the predicted operation position corresponding to the motion control information is obtained till the motion control information is obtained on the basis of the target operation position and the predicted operation position. And under the condition that it is determined that the predicted operation position meets the requirement, the final adjusted motion control information serves as control information of the mechanical arm. By adopting the method, the control precision of the mechanical arm can be improved.

The invention discloses a two-degree-of-freedom movement mechanism and a control device.The two-degree-of-freedom movement mechanism comprises a panel, a support, a driving mechanism and a gear adjusting mechanism, and a first gear and a second gear are arranged on a first rotating piece and a second rotating piece of the driving mechanism correspondingly; a third gear and a fourth gear of the gear adjusting mechanism can be respectively meshed with the first gear and the second gear to rotate and respectively drive a first gear wheel and a second gear wheel to rotate, so that the third gear wheel and the fourth gear wheel are driven to rotate; finally, the regular change of the center distance between the third gear wheel and the first gear wheel and the regular change of the center distance between the fourth gear wheel and the second gear wheel are achieved through a first limiting frame, a second limiting piece, a first spring and a second spring. In this way, an operator can accurately recognize the gear change during rotation, and accurate control is achieved.

The present invention provides a heat dissipation switch cabinet, including a shell assembly, an upper sealing door and a lower sealing door are arranged on the front surface of the shell assembly, the upper sealing door and the lower sealing door can be hinged and opened relative to the shell assembly, a partition is arranged inside the shell assembly, the partition is arranged at the connection between the upper sealing door and the lower sealing door, an electrical component installation area is formed above the partition, a filter chamber is formed below the partition, the filter chamber is connected to the external space of the shell assembly through an air inlet device, a filter device is arranged in the filter chamber, the filter device is used to filter the gas entering the filter chamber, a fourth air inlet is arranged on the partition, the fourth air inlet is used to connect the filter chamber with the electrical component installation area. The heat dissipation switch cabinet described in the present invention has a clever structure, solves the problems of heat dissipation and dust removal at the same time, and can accurately dissipate heat in the local area with higher temperature in the switch cabinet, reduce energy consumption, and dissipate heat reliably.

The invention discloses a building body unit capable of expanding and shrinking a space, a building body and equipment, and relates to the technical field of engineering constructions.The building body unit has a shrinking form and an expanding form which can be switched mutually and comprises a reference part, a plurality of first expanding parts and a plurality of second expanding parts; the number of times that the same first expansion piece and the same second expansion piece execute linear movement in the same axial direction or execute rotary movement around the same axial direction is one time. According to the building body unit, the building body and the equipment, each expansion piece is controlled to execute one-time linear movement or rotary movement in the same axial direction, the problem of more interference between the expansion pieces in the three-dimensional space deformation process can be solved, the implementation difficulty and cost of synchronous movement of the same expansion piece are effectively reduced, and the construction efficiency is improved. And the control precision of synchronous movement is improved, so that the deformation difficulty and the deformation cost of the expandable space are greatly reduced, and the feasibility, the stability and the reliability of the expandable space in engineering are improved.

The invention relates to the technical field of fuel cell air system control, in particular to an air flow control method for a fuel cell system. The method comprises the following steps: firstly, analyzing the structure and working principle of a fuel cell flow supply subsystem, and establishing a mathematical model of a centrifugal air compressor model, an air supply pipeline and an exhaust pipeline according to energy conversion, a mass conservation law and air thermodynamic characteristics; establishing a fourth-order nonlinear equation of the fuel cell air system according to the mathematical model; secondly, establishing a feedback linearization controller according to the fourth-order nonlinear equation, converting a nonlinear model into a linear model, and designing an extended state observer to observe unknown environmental disturbance to obtain an observation value; and finally, establishing a super-torsion nonsingular terminal sliding mode control law according to the linear model, and substituting the observed value into the super-torsion nonsingular terminal sliding mode control law to realize tracking control of the cathode pressure and the peroxide ratio.

The present invention relates to the technical field of condensers, and discloses an integrated temperature control optimized condenser system, comprising an outer tube, a bracket arranged at the bottom of the outer tube, covers arranged at both ends of the outer side of the outer tube, a refrigerant joint arranged at the outer side of the outer tube, a cooling medium joint arranged at the outer side of one end cover, a mounting plate arranged inside the outer tube, a heat exchange tube arranged in the mounting plate, and also comprises an adjustment component arranged on the surface of the mounting plate, and a control component arranged on the surface of the adjustment component. The integrated temperature control optimized condenser system, by setting the adjustment component, controls the movement of a corresponding number of adjustment strips when the temperature needs to be adjusted, so that a certain proportion of the connecting holes are docked with the docking port, and only needs to replace this part of the heat exchange tubes during maintenance, thereby extending the service life of the entire equipment, and thus ensuring the flow rate of the cooling medium in the heat exchange tubes, avoiding the accumulation of impurities in the cooling medium, and ensuring the heat exchange efficiency of the heat exchange tubes.

The present invention belongs to the field of power electronic automatic control, and discloses a noise suppression and anti-interference control method of a cascade LADRC based on a filter for a DC-DC-buck. The content is that, based on the ADRC idea, a new cascade LADRC noise suppression and anti-interference control method based on a filter is proposed for the output voltage amplitude and phase loss caused by the output filtering of a traditional buck converter. By comparing the simulation analysis of traditional double closed-loop PI, LADRC and LADRC containing a filter, the method of the present invention compensates for the output amplitude and phase loss while suppressing noise, effectively utilizes the real-time estimation and compensation capability of the cascade LADRC for the buck system, improves the robustness of the system, ensures the tracking accuracy of the system, and at the same time, effectively improves the anti-interference capability of the system in the case of sudden load change.

The invention relates to a valve positioner parameter self-tuning method. The method comprises the steps of positioner control parameter calculation, PID parameter calculation and maximum overshoot calculation. For different valves or executing mechanisms, valve position information is collected in real time, and needed valve position control values are determined to serve as positioner control parameters; pID parameters are calculated through a dynamic step setting method according to the positioner control parameters; in the setting process, a valve position feedback value is obtained in real time, the overshoot amount is calculated, the valve positioner controls the valve to be stabilized within the preset precision range through the PID algorithm and the maximum overshoot amount, control parameters, PID parameters and the maximum overshoot amount needed by the positioner can be rapidly calculated, the parameters calculated through the method are substituted into the algorithm, and therefore the control precision of the valve positioner is improved. And the system can be automatically adjusted and controlled when parameters change or external disturbance influences, so that the stability and the control precision of the system are ensured.

The invention discloses a hydraulic pump driving device of a pure electric motor sweeper, which comprises a bearing seat, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump, a hydraulic pump and a hydraulic pump, and is characterized in that the bearing seat is rotatably provided with a driving shaft through a mounting bearing; the hydraulic pump is fixedly installed on the outer side of the driving shaft, an inserting hole is formed in the end of the driving shaft, a plurality of limiting grooves are formed in the inserting hole at intervals, a fixing key is arranged on a transmission shaft of the hydraulic pump, and the outer side of the fixing key is fixedly sleeved with an elastic compression piece. The transmission shaft of the hydraulic pump is fixedly inserted into the insertion hole of the driving shaft through cooperation of the fixing key and the limiting groove. And the fixed connection mechanism comprises a driving nut in threaded connection with the inner side of a transmission shaft of the hydraulic pump and fixing plates, and butt joint holes are formed in the fixing plates respectively. The transmission shaft of the hydraulic pump can be directly connected to the driving shaft in a transmission mode, so that the structural simplicity degree of equipment can be effectively and greatly improved, and installation and operation of the equipment are facilitated.

The invention provides a humanoid robot complex terrain balance control method based on a state and disturbance observer, and belongs to the technical field of robot application. The problem that the humanoid robot is unstable when walking in a complex environment is solved. According to the technical scheme, the method comprises the following steps that 1, a simplified humanoid robot'spring-damping 'inverted pendulum model is established; 2, designing a state and disturbance observer; step 3, based on the step 2, designing a state feedback controller taking a real-time observation object of the state and disturbance observer as input; 4, selecting an appropriate controller pole and an appropriate controller observation point; and 5, simulation verification of attitude balance control of the humanoid robot under the complex terrain is carried out. The method has the beneficial effects that the robustness of the robot to interference and the task execution capability can be improved particularly in disaster rescue and complex environment operation.

The present application relates to the field of visual recognition technology, and discloses a visual recognition obstacle detection method, device, equipment and storage medium, the method comprising: performing time alignment and spatial registration on image data collected by a visual camera in a walking robot and point cloud data collected by a laser radar to obtain a multimodal data stream; inputting the multimodal data stream into a recursive gated deep convolutional neural network for feature extraction to obtain temporal multimodal fusion features; calculating an inter-modal correlation matrix, and constructing a three-dimensional voxel grid to obtain a three-dimensional environment representation; performing two-stage detection on the three-dimensional environment representation to obtain a comprehensive obstacle representation; performing environmental complexity assessment based on the comprehensive obstacle representation, and generating an adaptive real-time obstacle avoidance control strategy; converting the adaptive real-time obstacle avoidance control strategy into an optimal control problem, and performing rolling time domain optimization to obtain an optimal obstacle avoidance control sequence, thereby improving the accuracy of obstacle detection.

The invention relates to the technical field of photovoltaic arrays, and discloses a photovoltaic array tracking support and a control method thereof, and the method comprises the steps: determining a sun illumination point on a photovoltaic array based on a sun illumination region; power generation influence information and sun illumination information of the sun illumination points are collected, and tracking credible values of the sun illumination points are calculated based on analysis results; setting a compensation coefficient of each sun illumination point based on the historical power generation information, and compensating the tracking credible value according to the compensation coefficient to obtain a target tracking credible value; carrying out numerical value sorting on all the target tracking credible values, and extracting a target sun illumination point corresponding to the maximum target tracking credible value; a contrast point is selected on the photovoltaic array, the photovoltaic array is controlled based on the target sun illumination point and the contrast point, intelligent control over the photovoltaic array tracking support is achieved, control precision and control efficiency are guaranteed, the power generation efficiency and the energy utilization rate of the photovoltaic array are effectively improved, and the photovoltaic array tracking support is suitable for large-scale popularization and application. And meanwhile, the control energy consumption of the photovoltaic array tracking bracket is reduced.

The invention discloses a horizontal low-pressure vibration test moving coil balance control method and device, and the method comprises the steps: obtaining the speed of a moving coil through detecting the displacement of the moving coil, adjusting the opening degree of a vacuum solenoid valve or an air source solenoid valve according to the speed of the moving coil through employing a corresponding linear control function, and enabling the speed of the moving coil to be zero when the moving coil reaches a balance position. And the moving ring can quickly and stably return to the balance position after exceeding the balance position threshold value. According to the horizontal low-pressure vibration test moving coil balance control method, the problem that the moving coil is difficult to accurately reach the balance position is solved, the moving coil can rapidly and stably return to the balance position after exceeding the balance position threshold value, and the control precision in the moving coil position adjusting process is effectively guaranteed.

The invention relates to the technical field of vehicles, in particular to a vehicle control method, a vehicle, equipment and a program product. The method comprises the following steps: acquiring a first steering angle predicted based on preview foresight duration in a trajectory tracking process of a vehicle; acquiring an actual transverse position error when the vehicle runs for the preview foresight duration; adjusting the first steering angle based on the actual transverse position error to obtain a second steering angle; and executing a trajectory tracking strategy configured by the vehicle based on the second steering angle to control the vehicle to run. According to the invention, the real-time performance of path tracking can be ensured, the path tracking control precision is improved, and the path tracking effect is improved.

The invention discloses an assembling method of an electronic expansion valve and the electronic expansion valve.The assembling method comprises assembling of a valve needle assembly and comprises the steps that a valve needle sleeve is placed in a lead screw hole of a lead screw, and when the second limiting face of the valve needle sleeve abuts against the first limiting face of the lead screw, the first distance L1 between the upper end face of the valve needle sleeve and the upper end face of the lead screw is determined; taking out the valve needle sleeve, pre-pressing the valve needle sleeve on the valve needle and then assembling the valve needle sleeve and the rotor assembly to obtain a rotor assembly, assembling the rotor assembly and the valve body assembly of the electronic expansion valve, rotating the screw rod to a lower dead center position relative to the valve body assembly, and determining a second distance L2 between the upper end face of the valve needle sleeve and the upper end face of the screw rod in the state; and after the second distance L2 is determined, the rotor assembly and the valve body assembly are disassembled, then the valve needle sleeve is pressed, the pressing depth of the valve needle sleeve moving downwards relative to the valve needle is H, and H = L1-L2-which is the length corresponding to the valve opening pulse. According to the assembling method, the influence of machining errors of parts on the valve opening pulse control precision can be reduced.

The invention provides height sensor correction equipment, which comprises a first switch structure, a second switch structure, a third switch structure, a fourth switch structure, a fifth switch structure and a sixth switch structure, the first end of the first voltage dividing structure is electrically connected with the first end of the first switch structure; the first end of the second switch structure is electrically connected with the second end of the first voltage dividing structure; the input end of the resistance acquisition circuit is electrically connected with the second end of the second switch structure, and the resistance acquisition circuit is used for acquiring the resistance value of the first voltage division structure under the condition that the second switch structure is switched on; the control device is electrically connected with the control end of the first switch structure, the control end of the second switch structure, the second end of the first voltage dividing structure and the output end of the resistance acquisition circuit and used for controlling the on-off states of the first switch structure and the second switch structure and determining the detection height value of the height sensor according to the logic signal. The detection height value is corrected according to the resistance value, and the logic signal represents the second end voltage change condition of the first voltage dividing structure.

The invention relates to the technical field of motor control, in particular to a motor control method and device, a medium and a motor controller. Comprising the steps of adjusting motor driving voltage through an FOC algorithm, and accurately controlling motor rotating speed; and a sine value and a cosine value required by calculation are provided for the FOC algorithm by using a Cordic algorithm. According to the method, the Cordic algorithm is called to output the sine value and the cosine value, so that resources occupied by calculation are remarkably reduced, and the real-time control performance of the motor is improved. The original advantages of low noise and high precision of the FOC algorithm are reserved, the overall performance of the BLDC motor driving system is further improved, and powerful support is provided for technical progress in related fields. According to the Cordic algorithm, accurate calculation of sine values and cosine values is achieved in an iterative calculation mode, and meanwhile occupation of logic resources is greatly reduced.

The invention discloses a fuel cell and lithium battery hybrid unmanned aerial vehicle semi-physical test system and method. The system comprises a hybrid power module used for simulating power output of a fuel cell and a lithium battery; the flight dynamics control module is used for resolving attitude information of the unmanned aerial vehicle; the control instruction sending module is used for sending a motion instruction of the unmanned aerial vehicle to the flight control instruction resolving module; the flight control instruction resolving module is used for resolving a control instruction to obtain motion instruction information; the ground station interface monitoring module is used for recording the flight attitude data of the unmanned aerial vehicle returned by the flight control instruction resolving module; the three-axis flight attitude simulation module receives the motion instruction information and makes attitude response; the real-time simulation module is used for receiving feedback information of the three-axis flight attitude simulation module and simulating the flight state of the unmanned aerial vehicle in a virtual scene; the unmanned aerial vehicle 3D modeling and visual module is used for recording real-time simulation machine data and control information of the flight dynamics control module; according to the invention, accurate and efficient simulation of the unmanned aerial vehicle can be realized.

This application discloses an electronic pre-braking (EBP) pedal release prediction and pre-filling control method and system, relating to the fields of automotive electromechanical braking (EMB), active safety prediction, electronic pre-braking (EBP), and brake-by-wire clearance pre-filling technology. It collects information on accelerator pedal opening, accelerator pedal release rate, vehicle speed, wheel speed, brake pedal status, and vehicle driving conditions. Based on the accelerator pedal release rate and vehicle speed, it sets multi-level threshold intervals to determine the driver's potential emergency braking intention. This application achieves multi-dimensional intention prediction based on accelerator release changes and vehicle speed information, and combines it with electromechanical brake clearance pre-filling control to enable the braking system to enter a ready-to-respond state in advance, improving the vehicle's active safety capabilities. Through multi-condition adaptive adjustment and functional constraint and redundancy control mechanisms, it ensures a smooth and reliable pre-filling process and maintains functional continuity under abnormal conditions, making it suitable for applications using brake-by-wire systems without hydraulic pressure.

The invention relates to the technical field of groundwater refilling, in particular to a groundwater refilling dynamic balance intelligent control device, which comprises a data acquisition module for collecting feature data of groundwater in a target area through i observation wells in the target area, analyzing the feature data of the groundwater in the target area, and calculating the dynamic balance of the groundwater in the target area; the underground water level of the target area at the future P moment is predicted, the underground water loss rate of the target area at the future P moment is obtained according to the underground water level of the target area at the future P moment, and then the underground water storage capacity coefficient of the target area is calculated by obtaining the thickness, area and porosity of the aquifer of the target area in combination with the permeability coefficient. Inputting the obtained groundwater loss rate, the groundwater storage capacity coefficient and the groundwater level of the target area acquired in real time into the trained machine learning model to predict groundwater supplement amount; the control precision of the groundwater supplement amount is guaranteed, and dynamic balance of groundwater is achieved.

The utility model relates to the technical field of concrete pouring, in particular to a pouring mold for a track precast slab, which comprises a pouring cavity, a slurry outlet arranged below the pouring cavity, a conveying pipeline connected with the slurry outlet, and a first conveying pipe vertically arranged at the lower end of the slurry outlet and a second conveying pipe horizontally arranged. The first throttling part is connected with the first conveying pipe, is close to one side of the slurry outlet, and comprises a double-open butterfly valve arranged in the first conveying pipe; the slurry storage chamber is connected with the lower portion of the second conveying pipe, is close to the first conveying pipe and comprises a slurry storage cavity formed in the lower portion of the second conveying pipe and a slurry flowing opening communicated with the lower portion of the second conveying pipe. The second throttling part is connected with the second conveying pipe and located on the side close to the slurry output port. The second throttling part comprises a rotary throttling plate arranged in the second conveying pipe. According to the utility model, the two throttling parts and the slurry storage chamber are arranged to cut off slurry, so that the sealing performance is improved, and slurry leakage is avoided.

The utility model discloses full-electric-drive ultrasonic vibration-infrared heating energy field assisted multi-station precision glass mold pressing equipment, which comprises a control box, a feeding assembly, a pressure forming execution unit, a discharging assembly and an electric control cabinet, and adopts an infrared radiation heating mode to carry out rapid non-isothermal heating on a glass prefabricated part. And an ultrasonic vibration element and a pressure sensing element are arranged in the lower mold base of the mold pressing station, and when the prefabricated part is heated to a softening point, the ultrasonic vibration element is started to cooperatively work with an infrared heating technology, so that the filling speed and quality of glass mold pressing forming are improved. The full-electric driving technology is used, the control precision and the die pressing forming efficiency are high, in addition, compared with a traditional glass die pressing machining mode, the infrared heating element and ultrasonic vibration cooperative work machining technology achieves precise and efficient machining of a glass prefabricated part, the problem of interference of heating and vibration in traditional die pressing is solved, and the production efficiency is improved. And the forming precision and efficiency of the product are improved.