24 results about "Unit load" patented technology

An autonomous transport vehicle for transporting merchandise units for filling shipping totes or containers, the autonomous transport vehicle comprising: a frame configured to move as a unit over at least one of transport decks and ramps; a controller connected to the frame and configured to cause the movement of the autonomous transport vehicle over at least one of the transport decks and ramps so that the autonomous transport vehicle moves freely via autonomous navigation from a first position to a different second position, the first position being a supply position for merchandise units and the second position being a tote filling position based on an order; and a payload connected to the frame for holding merchandise units loaded onto the autonomous transport vehicle, the payload having an end effector positioned to extend and unload merchandise units from the payload.

One variation of a system includes: a population of trays storing product units; a dispensing unit configured to dispense product units from the population of trays; a mobile robotic system; and a controller. The mobile robotic system includes: a receptacle configured to support a base and a first sidewall of a semi-rigid container transiently loaded in the receptacle at an angle; and a sidewall retainer configured to retain a second sidewall of the semi-rigid container. The controller is configured to: trigger the mobile robotic system to navigate to a dispensing unit loaded with a tray transiently storing product units of a product type specified in an order; trigger the mobile robotic system to maneuver the receptacle to locate the semi-rigid container to receive the product unit at a target position; and trigger the dispensing unit to dispense the product unit into the semi-rigid container.

This invention belongs to the field of industrial automation and intelligent control technology for thermal power plants, and relates to an automatic switching method for the operating mode of circulating water pumps based on unit load adjustment redundancy. The method includes: 1. Real-time acquisition of unit operating data to determine the current operating mode of the circulating water pumps, identifying whether the power frequency pump is in high-speed mode, low-speed mode, or stopped; 2. Setting a dual-threshold redundancy interval, setting a low-speed switching threshold and a high-speed switching threshold based on the unit's rated power, forming a redundancy interval between the two thresholds; 3. Generating a pump switching command based on the matching of the current unit load and pump operating mode, combined with the redundancy interval judgment logic; 4. Outputting the switching command and recording the switching information. This invention features simple control logic, good stability, avoidance of frequent switching, extended equipment lifespan, and significant energy-saving effects, and has broad application prospects in the field of energy conservation and consumption reduction and equipment optimization control in thermal power plants.

The utility model provides a kind of conveying device, applied to whole loading system, it is used for conveying pallet with pallet matched use;The conveying device includes conveying frame, chain assembly, moving device;The chain assembly is equipped with multiple groups, and each group chain assembly includes chain frame, sliding sleeve and chain mounted on chain frame, driving conveying sprocket, driven conveying sprocket, chain drive device, the chain frame is assembled on conveying frame by sliding sleeve, and it can be horizontally slid along transverse on conveying frame by sliding sleeve under external force action, and the chain is used for supporting pallet;The moving device is installed on conveying frame, at least one is configured for each group chain assembly, for the adjustment of the lateral spacing between the chain of each chain assembly.The utility model makes the lateral spacing between the chain of chain assembly adjustable, can effectively solve the lateral spacing between the chain and the lateral span mismatching between pallet support leg, can meet the conveying demand of different specifications pallet.

The application relates to a coal blending method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining blending ratios of multiple coal types, blending the multiple coal types based on the blending ratios to obtain blended coal types, obtaining combustion condition monitoring data of a boiler when the blended coal types are combusted in the boiler, and adjusting the blending ratios of the multiple coal types or operation parameters of the boiler based on the combustion condition monitoring data of the boiler when it is determined that the combustion condition of the boiler does not meet a preset unit load demand, and the step of obtaining the combustion condition monitoring data of the boiler when the blended coal types are combusted in the boiler is re-executed until the combustion condition of the boiler meets the preset unit load demand. The method can improve the accuracy of coal blending.

The present application relates to the technical field of temperature control, and an embodiment thereof provides a method, device and equipment for reducing the number of general overtemperature times of the wall temperature of an intermediate superheater. The method for reducing the number of general overtemperature times of the wall temperature of the intermediate superheater comprises the following steps: determining factors affecting the wall temperature of the intermediate superheater, wherein the factors include the unit load change rate, fuel quality, boiler pressure, feed water flow and ash deposition condition; establishing a mapping relationship between each factor and the wall temperature of the intermediate superheater according to historical sample data, to obtain a plurality of mapping relationships; determining the factor having the greatest impact on the wall temperature of the intermediate superheater from the factors according to the plurality of mapping relationships; and determining the value of the factor having the greatest impact, to reduce the number of general overtemperature times of the wall temperature of the intermediate superheater. The embodiment provided by the present application can quickly determine the factors affecting the temperature of the intermediate superheater.

The present embodiments propose a logistics robot operating system for order picking and inventory replenishment, a control method therefor and a computer program, the system controlling an inbound flow of transporting and loading a loading unit including transport items to a designated loading area through a loading robot, controlling, when inventory replenishment is required according to inventory monitoring in a storage area in which the transport items are disposed, an inventory replenishment flow of unloading the loading unit loaded in the loading area through a transport device and transporting the unloaded loading unit to the storage area through at least one task-performing robot, and managing, on the basis of user-specific transport information received through a warehouse management system, tasks of picking the transport items through the task-performing robot in the storage area and delivering the picked transport items to a packing position through the task-performing robot.

A conveying device (10) for transporting unit loads on a support (16) moving in a conveying direction (14) and a method for conveying unit loads (12) on a support (16) moving in a conveying direction (14) are disclosed. The support (16) is provided by a tension section (18) of an endlessly rotating traction element (20). The traction element (20) has a slack section (26) running back against the conveying direction (14) and below the support (16), with a tensioning device (32) located there and regulating the sag of the slack section (26). The tensioning device (32) comprises a movably mounted tensioning unit (38) with a contact element (40) that is in contact with the slack section (26). The slack section (26) is pre-tensioned by the weight force (44) on the movably mounted tensioning unit (38). The tensioning unit (38) is assigned a locking mechanism for releasably blocking a return stroke of the tensioning unit (38) along the adjustment path (36) against the direction of the weight force (44). In this method, the support (16) is returned below the transport plane and clamped there by a contact element (40) and optionally by other parts connected to the contact element (40), wherein the clamping force exerted on the support (16) by the contact element (40) is formed to a proportion of at least 20% by weight force (44). Furthermore, the method provides for the contact element (40) or another part connected to the contact element (40) to be engaged or otherwise fixed along a guide.

This application proposes an adaptive spindle unit load testing device and method. The device includes: a simulated tool connected to a machine tool spindle; a simulated specimen placed on the device's worktable, with elastic elements disposed on the surface of the specimen; a multi-dimensional force sensor disposed at the load path nodes of the spindle unit; a displacement sensor disposed at the front end of the machine tool spindle; and a control unit connected to the multi-dimensional force sensor and the displacement sensor. The technical solution proposed in this application, during spindle unit load testing, directly measures the actual force at the load path nodes through the multi-dimensional force sensor, eliminating the need for indirect calculation based on offline calibration of the elastic elements and thus eliminating calibration errors. The control unit synchronously collects force and displacement signals, offsetting the influence of elastic element characteristic changes on control accuracy, and provides real-time feedback of test data. Simultaneously, it integrates high-precision constant force loading and dynamic load simulation on the same platform, improving the constant force control accuracy of the testing device.

The application discloses a coal blending and burning method and system based on unit load planning and multi-constraint optimization, and belongs to the technical field of coal-fired power plant coal management. The method obtains unit load planning data through a data interface or an image recognition technology, maps a load state to corresponding coal quality blending constraints, and integrates coal yard inventory constraints and safety stocking constraints; a linear programming model is constructed to minimize the sum of total fuel procurement cost and expected operation cost, and an adaptive relaxation mechanism is started when there is no feasible solution; the optimization result is matched with a stocking mode database, and a coal blending operation instruction is generated by selecting a scheme with the lowest comprehensive operation cost. The application realizes dynamic response of the coal blending scheme to the load planning, solves the problems of load limiting caused by poor coal quality during a high load period and waste caused by excellent coal quality during a low load period in the traditional method, and significantly improves the economy and safety of power plant operation.

The present application relates to the technical field of thermal power generation, and particularly discloses a circulating water operation mode optimization method, device, equipment and storage medium. The present application determines the current drop value and the vacuum change coefficient after the high-speed circulating pump is switched to low-speed operation by real-time acquisition of river water temperature, unit load and the number of high-speed circulating pumps, respectively calculates the first coal consumption reduced by the reduction of the auxiliary power rate and the second coal consumption increased by the rise of the condenser pressure, and decides the high-low speed switching of the circulating pump according to the comparison result of the two, solves the multivariable coupling optimization problem that the existing artificial experience or fixed operation mode cannot quantitatively weigh the auxiliary power income and the condenser pressure loss, and realizes the improvement of the operation economy of the circulating water system and the optimization level of the unit power supply coal consumption.

The application discloses a wet desulfurization load limit output and peak capacity evaluation method and device, obtains desulfurization system online monitoring parameters and equipment design parameters, calculates real-time SO2 removal mass content based on flue gas flow and import and export SO2 concentration; combines slurry circulating pump operation parameters and slurry density to calculate real-time effective circulating slurry amount, determines CaCO3 actual supply amount according to limestone slurry related parameters and purity; splits and calculates desulfurization margins of slurry circulating pump and limestone slurry supply system and sums up total margin; calculates load margin and peak capacity based on total margin, current unit load and SO2 standard emission control concentration, judges whether to limit full load operation; if limited, deduces SO2 concentration limit value at desulfurization inlet and received base sulfur content control threshold value of coal at full load. The scheme realizes the balance of environmental protection standard and power generation benefit and peak regulation demand, and provides precise data support and guidance for safe and economic operation of the unit.

The utility model discloses a kind of bulk cargo change container unloading and guiding device, install in the end of telescopic chute pipe's chute pipe section, including the mounting sleeve of the end of telescopic chute pipe chute pipe section fixedly sleeved, the mounting sleeve is connected with guide cone by support arm, the guide cone is located at the below center of the end of telescopic chute pipe chute pipe section.The utility model sets up mounting sleeve on the end of telescopic chute pipe chute pipe section, mounting sleeve is connected guide cone by support arm, guide cone is located at the below center of the end of telescopic chute pipe chute pipe section, such bulk cargo material in unloading loading process, it will be guided to flow to the periphery even distribution in container by guide cone, to ensure good loading effect.

One variation of a system includes: a population of trays storing product units; a dispensing unit configured to dispense product units from the population of trays; a mobile robotic system; and a controller. The mobile robotic system includes: a receptacle configured to support a base and a first sidewall of a semi-rigid container transiently loaded in the receptacle at an angle; and a sidewall retainer configured to retain a second sidewall of the semi-rigid container. The controller is configured to: trigger the mobile robotic system to navigate to a dispensing unit loaded with a tray transiently storing product units of a product type specified in an order; trigger the mobile robotic system to maneuver the receptacle to locate the semi-rigid container to receive the product unit at a target position; and trigger the dispensing unit to dispense the product unit into the semi-rigid container.

This disclosure provides a method, apparatus, medium, and equipment for analyzing the vibration response of railway tracks. The method includes: determining a first vibration transfer function, based on track parameters and first performance parameters of the track elastic component under no-vehicle conditions, the amplitude of each frequency harmonic wave in the frequency domain vibration response generated at the response location after applying a unit load at a target location on the railway track as a function of frequency; determining a second vibration transfer function based on track parameters, second performance parameters of the track elastic component under vehicle-load conditions, and train parameters of the target train; determining a vibration transfer ratio function based on the first and second vibration transfer functions; acquiring a first vibration time-domain signal by performing a drop hammer test with a predetermined load on the railway track at the target location under no-vehicle conditions; and obtaining a first frequency domain vibration response at the response location under vehicle-load conditions based on the first vibration time-domain signal and the vibration transfer ratio function.

Transport device for transporting unit loads (2), in particular empty containers that are critical to transport and orientation, wherein the transport device (8) comprises a layer conveyor (9) and at least one front-mounted row conveyor (12, 13) with intersecting conveying directions (11, 14), wherein the layer conveyor (9) is designed for conveying a multi-row layer of unit loads (3) and the at least one row conveyor (12, 13) is designed for conveying a single row of unit loads (5, 5'), characterized in that the layer conveyor (9) and the at least one row conveyor (12, 13) each have a conveying level (10, 14, 15) on which the unit loads (2) move while standing, wherein the conveying levels (10, 14, 15) are arranged one above the other with a level difference (h) which is greater than the height (sh) of the unit loads (2). - wherein the transport device (8) comprises a transfer device (17) which connects the spaced conveying levels (10,14,15) and which is designed to transfer a single batch of individual items (5,5') between the conveying levels (10,14,15), - wherein the transfer device (17) comprises at least one upright drop shaft (18,19) extending transversely to a conveying direction (11) of the layer conveyor (9) and at least one controlled movable upper shaft cover (20,21) which temporarily opens and closes the upper end of the at least one drop shaft (18,19), - wherein the at least one shaft cover (20,21) in the closed position supports a single row of general cargo (5,5') and in the open position allows the received row of general cargo (5,5') to fall into the at least one drop shaft (18,19) and onto the lower conveying level (10,14).

The application provides a unit load regulation method and system based on a power spot market, and belongs to the technical field of load regulation, and specifically comprises the following steps: determining a capacity shortage sub-period according to regulation plan data of an electric load in a regulation demand period, and when it is determined that heat supply load regulation processing needs to be performed in combination with the length of different sub-periods, determining a heat supply load regulation processing method in the period according to the regulation plan data of the period and the interval length between the regulation demand period, performing heat supply load regulation processing in the period based on the regulation processing method, and determining a unit load regulation method in the regulation demand period based on heat supply monitoring data in a heat supply pipe network and the distribution of future regulation demand periods, so that the economic benefits of the unit are improved.

The present application relates to a kind of load balancing-based multi-parallel heat pump unit load distribution method, the present application includes multi-source heterogeneous sensing data acquisition and cleaning, dynamic thermal inertia fingerprint feature extraction, generates thermal inertia state label using lightweight neural network, health degree subset construction and elastic weight calculation and collaborative control instruction distribution, weight self-learning iteration is realized in combination with actual performance feedback.This application can realize the efficient mapping of regional thermal inertia state and unit health degree and real-time load distribution, improve the responsiveness, anti-interference and energy efficiency level of system regulation, reduce equipment fatigue loss, enhance the flexibility and adaptability, the present application not only improves the response sensitivity and load balancing capability of overall system, but also effectively avoids the problem of mechanical wear and tear caused by local unit long-term overload operation, greatly prolongs the service life of equipment, and is suitable for intelligent optimization and collaborative control of large-scale building heat pump system.

Drive device, in particular unit load conveyor roller drive device, with at least one drive shaft (10) and at least one gear element (12) which is fitted onto the drive shaft (10) in at least one assembled state, characterized by at least one positive locking unit (14) which connects the drive shaft (10) and the gear element (12) in the assembled state at least with respect to one direction of rotation (42) of the drive shaft (10) in a positive locking manner, wherein the positive locking unit (14) has at least one drive positive locking element (20) which is part of the drive shaft (10), wherein the drive positive locking element (20) is designed as an external toothing (22) of the drive shaft (10), wherein the external toothing (22) is provided for a toothing with an external toothing (24') of a further gear element (26').

This disclosure presents a coordinated optimization control method and apparatus, electronic equipment, and storage medium. Through this application, by obtaining the predicted information of the unit's future load and main steam pressure in advance, feedforward regulation is performed on the turbine side and boiler side respectively, and control parameters are adaptively adjusted in combination with the real-time load deviation of the unit. This allows for the early matching of the response characteristics of both the turbine and boiler sides and the compensation for the response lag of combustion and heat exchange on the boiler side. Therefore, it can solve the technical problems of the traditional turbine-boiler coordinated control under deep peak shaving conditions, such as the mismatch of turbine and boiler response speeds, energy supply and demand imbalance, large fluctuations in main steam pressure, and threats to the safe operation of the unit caused by frequent and large-amplitude changes in unit load. It achieves the technical effects of improving the accuracy of turbine-boiler coordinated control, stabilizing main steam pressure, ensuring the safe and stable operation of the unit under deep peak shaving, and rapidly responding to load commands.

The application discloses a pumping unit well load prediction method, device, equipment, storage medium and product, relates to the technical field of industrial automation and energy efficiency optimization, and the method comprises the steps of obtaining static parameters and load parameters of the pumping unit well at different times under the same working condition, obtaining a mapping relationship between the static parameters and the load parameters through a first prediction model, and the mapping relationship representing discrete characteristics of pumping unit well production; based on the mapping relationship and the static parameters of the pumping unit well at different times under the same working condition, the first prediction model is used to predict the pumping unit load parameters at corresponding times under the same working condition, and a first load prediction curve is obtained; a historical load curve under the same working condition is input into a second prediction model, and a second load prediction curve is obtained, and the historical load curve represents continuous production characteristics of the pumping unit well; and according to the first load prediction curve and the second load prediction curve, a target prediction curve of the pumping unit well is obtained. The combination of the two prediction curves can reduce errors and improve prediction accuracy.

The application discloses a kind of desulfurization oxidation wind automatic control method and system, comprising the following steps: the original flue gas flow is divided into multiple load intervals, the SO2 concentration of absorption tower entrance is divided into multiple sulfur fraction intervals, with original flue gas flow and entrance SO2 concentration as control variable, the reasonable demand range of oxidation air volume is determined by theoretical calculation and operation data, and the corresponding ladder corresponding relationship table is generated;Real-time acquisition of the original flue gas flow and absorption tower entrance SO2 concentration of desulfurization system;According to the current acquisition parameter matching to corresponding ladder interval.The application, maximization uses existing coal-fired power plant desulfurization system condition, in not additional increase system or equipment case, by design control logic, realize the automatic control of variable frequency desulfurization oxidation wind, simultaneously by establishing unit load and flue gas sulfur fraction joint control model, realize the ladder type automatic regulation of oxidation fan air volume, to reach the purpose of energy saving, stable operation.