17 results about "Lifting instruction" patented technology

The invention discloses a dumper control method and device, a controller, a medium and a dumper, and relates to the technical field of control. The method comprises the steps that under the parking condition of the dumper, a lifting instruction is responded, the front portion of a carriage starts to be lifted, and the angle of a target connecting rod mechanism is obtained in real time through an angle sensor in the lifting process; determining a target front axle load corresponding to the target connecting rod mechanism angle according to a mapping relation between the front axle load and the connecting rod mechanism angle; when the target front axle load is within the first axle load range, the rotating speed of the power takeoff is controlled to be the rotating speed corresponding to the opening degree of the accelerator pedal; when the target front axle load is changed from the first axle load range to the second axle load range, the rotating speed of the power takeoff is controlled to be the minimum rotating speed of the power takeoff, wherein the opening degree of an accelerator pedal can be controlled; and when the target front axle load is changed from the second axle load range to the third axle load range, the rotating speed of the power takeoff is controlled to be reduced to 0. By the adoption of the control method of the dumper, the backward overturning risk of the dumper during carriage lifting and unloading can be reduced.

The application discloses a pantograph lifting failure positioning method, a controller and a train, and relates to the field of fault detection. In the process of sending a pantograph lifting instruction to a pantograph lifting relay through a pantograph lifting train line to lift a driver-selected pantograph or an automatically-selected pantograph, the pantograph lifting train line, the pantograph lifting relay and a pantograph lifting holding relay are sequentially powered in a first preset time of sending the pantograph lifting instruction. The fault position is determined according to whether the three are powered. In a second preset time of sending the instruction, the pantograph should be lifted to the position and the traction system should have a network voltage, and only then is the pantograph lifting normal. According to the connection relationship, the fault range is sequentially narrowed, and finally the position of the fault is determined, so that the maintenance of the operation and maintenance personnel is more convenient.

The application discloses a kind of based on two-dimensional cross arbitration's lift control method and system, the method includes the following steps: the logical association of the biological characteristics of passenger obtained with destination floor is established;Priority sequence of biological characteristics is established and biological characteristic mode score is distributed, the highest priority biological characteristics is not bound to fixed destination floor;Passenger grade priority sequence is established and passenger grade score is distributed;The product of biological characteristic mode score and passenger grade score is calculated to obtain comprehensive priority index, and comprehensive priority index is assigned to each lift instruction, and lift instruction with higher numerical value or earlier time stamp of comprehensive priority index is preferentially executed;The control instruction corresponding to the highest priority biological characteristics of the same passenger covers the destination floor associated with other biological characteristics of itself, the destination floor is updated, and the floor corresponding to the control instruction of the highest priority biological characteristics is responded to.The application can realize the priority response of biological characteristics with higher flexibility by combining two-dimensional cross arbitration strategy.

The invention discloses an anti-hooking control method and system for a container reach stacker, and belongs to the technical field of hoisting equipment. The anti-hooking control method for the container reach stacker comprises the following steps: if the current height of a lifting appliance is smaller than a first threshold value and a container landing signal is received; if yes, the lifting appliance is controlled to be lifted in response to the lifting instruction, and pressure detection results of the pressure sensor in the first lifting state and the second lifting state are determined; determining stress change information of the lifting appliance lock head according to the pressure detection result, and judging whether a lower corner fitting of the container is hooked with a locking device of the platform trailer or not according to the stress change information; if yes, the lifting appliance is controlled to stop lifting, and alarm information is generated. Whether the lower corner fitting of the container is hooked with the locking device of the platform trailer or not can be accurately judged, and the operation safety of the container reach stacker is improved.

The present invention relates to the field of construction machinery, and provides a control method, a device and an aerial work platform for an aerial work platform. The method includes: obtaining a work mode instruction and a lifting instruction of the aerial work platform; if the work mode instruction is a two-person mode instruction and the lifting instruction is a lifting instruction, when it is determined that the lifting pressure corresponding to the current lifting height of the aerial work platform satisfies a first preset range and a trigger signal of a first travel switch is received, generating a lifting termination instruction; when it is determined that the lifting pressure corresponding to the current lifting height satisfies a second preset range and a trigger signal of a second travel switch is received, generating a lifting termination instruction; the lifting termination instruction is used to control the aerial work platform to stop lifting; wherein, the lifting height corresponding to the second travel switch is greater than the lifting height corresponding to the first travel switch. The present invention can effectively reduce the risk of tipping during two-person operation and ensure the safety of the operator and the aerial work platform.

The application provides a kind of measuring equipment protective cover lifting control method and system, its method includes: obtaining several environmental data of target measuring equipment;Safety score step is respectively executed for each environmental data to obtain environmental safety sub-score;Environmental safety score is obtained based on environmental safety sub-score under preset weighting weight;Lifting instruction is generated according to environmental safety score under preset lifting threshold;Safety score step includes: confirming environmental data in preset safety range, then generating environmental safety sub-score as preset score maximum value;Otherwise, judge whether environmental data is gradual risk data;Confirming environmental data is not gradual risk data, then generating environmental safety sub-score based on environmental data in preset high risk range;Otherwise, environmental safety difference value is generated based on environmental data and preset safety range, and environmental safety sub-score is obtained based on environmental safety difference value score mapping.The application can reduce the misoperation rate of protective cover in complex environment.

The invention provides a closed double-tank air spring control method and system, and relates to the technical field of vehicle suspension control, and the closed double-tank air spring control method comprises the steps that a lifting request of a four-wheel air spring is obtained; according to the lifting request of the four-wheel air spring, the lifting request is judged to enter a single-shaft ascending and descending unit or a lifting instruction waiting unit, and according to the lifting sequence of the air spring, a front shaft and a rear shaft of the four-wheel air spring only allow the request of one shaft at the same time; wherein in the lifting instruction waiting unit, periodic air quantity wheel detection is executed, and corresponding operation is executed after the conditions of dynamic air conveying, external air supplementing and drying agent regeneration are met; in the single-shaft ascending and descending unit, ascending or descending operation of the air spring is executed, and whether the compressor needs to be started or not is judged according to the ascending and descending condition of the height of the air spring; the single-axis ascending or descending can jump to each other when a change is requested.

The present invention relates to the field of construction machinery, and provides a control method, device and aerial work platform for an aerial work platform. The method includes: obtaining a work mode instruction and a lifting instruction of the aerial work platform; if the work mode instruction is a two-person mode instruction and the lifting instruction is a lifting instruction, when it is determined that the lifting pressure corresponding to the current lifting angle of the aerial work platform meets a first preset range and the lifting angle of the aerial work platform reaches a preset angle, a lifting termination instruction is generated; when it is determined that the lifting pressure corresponding to the current lifting angle meets a second preset range and the lifting height of the aerial work platform reaches a second preset height, a lifting termination instruction is generated; wherein, the preset angle corresponds to a first preset height, and the first preset height is less than the second preset height. The present invention can effectively reduce the risk of tipping during two-person operation, and ensure the safety of the operator and the aerial work platform.

The application provides a safety control system of an experimental pool with a lifting function, which comprises a lifting platform installed at the bottom of the experimental pool and a wave generator arranged around the experimental pool. The lifting platform is in real-time communication connection with a lifting platform controller, the wave generator is in stable communication connection with a wave generator controller, and bidirectional data interaction and instruction transmission are realized between the two controllers to form a complete cooperative control system. In actual operation, after receiving a lifting instruction, the lifting platform controller inquires a first running state of the wave generator from the wave generator controller, and controls the lifting platform to lift according to the first running state. Similarly, before executing a wave making instruction, the wave generator controller actively acquires a second running state of the lifting platform, and controls the wave generator to make waves on the experimental pool according to the second running state, so that the reliability and safety of the whole system are ensured.

The invention discloses an elevator taking control method and system based on two-dimensional cross arbitration. The method comprises the following steps that logic association is established between obtained biological characteristics of passengers and a target floor; establishing a priority sequence of the biological characteristics and distributing modal scores of the biological characteristics, wherein the biological characteristic with the highest priority is not bound with a fixed target layer; establishing a passenger grade priority sequence and distributing passenger grade scores; calculating the product of the biological characteristic modal score and the passenger grade score to obtain a comprehensive priority index, distributing the comprehensive priority index for each elevator taking instruction, and preferentially executing the elevator taking instruction with a higher comprehensive priority index value or an earlier timestamp; the control instruction corresponding to the biological characteristic of the highest priority of the same passenger covers a target floor associated with other biological characteristics of the passenger, the target floor is updated, and the floor corresponding to the control instruction of the biological characteristic of the highest priority is responded. According to the method, the priority response of the biological characteristics with higher flexibility can be realized in combination with a two-dimensional cross arbitration strategy.

The utility model relates to the technical field of hydraulic lifting workbench equipment, and discloses a multi-mast lifting platform with a self-locking function, which comprises a bottom supporting platform and a main body structure, the top of the bottom supporting platform is fixedly connected with the main body structure, the main body structure comprises a hydraulic station, one side of the hydraulic station is provided with a hydraulic oil cylinder, and the hydraulic oil cylinder is fixedly connected with the bottom supporting platform. The top of the hydraulic oil cylinder is fixedly connected with a multi-mast lifting mechanism, a lifting instruction is triggered manually or automatically, and the hydraulic station starts the hydraulic oil cylinder to drive the mast lifting mechanism to ascend and descend. After a stop instruction is triggered manually or automatically, the hydraulic station check electromagnetic valve is started to keep the position of the hydraulic oil cylinder, then the pneumatic electromagnetic valve is opened for ventilation, and the pneumatic self-locking clamp is ventilated for self-locking; after a descending instruction is manually or automatically triggered, the pneumatic electromagnetic valve is closed and exhausts air, the pneumatic self-locking clamp exhausts air and opens self-locking, the hydraulic station check electromagnetic valve is powered off and releases pressure, and the hydraulic oil cylinder drives the multi-mast lifting mechanism to slowly descend, so that the working platform ascends and descends gently, stably and reliably.

The invention provides a safety control system of an experimental pool with a lifting function. The system comprises a lifting platform installed at the bottom of the experimental pool and a wave maker arranged on the periphery of the experimental pool. Wherein the lifting platform can keep real-time communication connection with the lifting platform controller, the wave maker also establishes a stable communication link with the wave maker controller, and two-way data interaction and instruction transmission are also realized between the lifting platform controller and the wave maker controller, so that a complete cooperative control system is formed. In the actual operation process, after the lifting platform controller receives a lifting instruction, the first running state of the wave maker is inquired from the wave maker controller, and the lifting platform is controlled to conduct lifting operation according to the first running state. Similarly, before executing the wave making instruction, the wave maker controller also actively obtains the second operation state of the lifting platform, and controls the wave maker to make waves for the experimental pool according to the second operation state, so that the operation reliability and safety of the whole system are ensured.

The application provides a kind of rail vehicle pantograph control device, method and rail vehicle, the device includes: local pantograph lifting unit, opposite end pantograph lifting unit and network control unit, the network control unit is used to receive the local pantograph lifting unit sent local pantograph lifting instruction or the opposite end pantograph lifting unit sent opposite end pantograph lifting instruction, and according to local pantograph and opposite end pantograph state, control the lifting of local pantograph and opposite end pantograph, ensure that at most one pantograph is in the state of lifting. To solve the defects of the prior art pantograph control circuit logic complex, poor reliability and difficult to guarantee the safety of power supply, realize the structure optimization of pantograph control circuit, reliability improvement and guarantee the safety of power supply.

A lifting motion apparatus (10) and an intelligent device (1). The lifting motion apparatus (10) comprises: a lifting controller (11), an electric-motor power device (12), an electric angle sensor (13), a magnetic encoder electric motor (14) and a lifting member (15), wherein in response to a lifting instruction, the lifting controller (11) determines a first rotation angle and a first rotation direction of the magnetic encoder electric motor (14); the electric-motor power device (12) controls the magnetic encoder electric motor (14) to rotate in the first rotation direction, so as to drive the lifting member (15) to move in a lifting direction; during the rotation of the magnetic encoder electric motor (14), the electric angle sensor (13) determines, on the basis of a magnetic field change caused by a magnet, a second rotation angle and a second rotation direction of the magnetic encoder electric motor (14); and when the second rotation angle is equal to the first rotation angle, the lifting controller (11) sends a second instruction to the electric-motor power device (12), and the electric-motor power device (12) controls the magnetic encoder electric motor (14) to stop rotating to the first rotation angle, so as to drive the lifting member (15) to move to a lifting height. Thus, the lifting of the lifting member (15) is autonomously controlled, thereby improving the working efficiency of the intelligent device (1).

The invention provides a control method and device for a quenching tower, electronic equipment and a medium, and relates to the technical field of metallurgy. According to the method, after it is detected that a quenching car runs to a designated position, in-place information is generated, and after the in-place information is detected, a lifting instruction is generated; the lifting instruction is used for indicating a lifting machine of the quenching tower to lift a quenching tank loaded by the quenching car, and the lifting instruction is sent to the lifting machine of the quenching tower. In the process, an operator does not need to manually send a signal for allowing hoisting, and the prompt instruction is generated only after the quenching car is detected to run to the appointed position, so that the situation that the quenching car and the quenching tank are abnormally aligned, so that a hoisting hook of the quenching tower hoist cannot hook the quenching tank can be avoided, and the production time can be shortened.

The invention relates to the technical field of hoisting equipment, and discloses a vertical lifting control method and equipment, a medium and a program product. The method comprises the following steps: when a vertical lifting instruction is received, obtaining a current vertical lifting type and a current state parameter; according to the current vertical lifting type, a target four-dimensional empirical matrix is obtained, and the target four-dimensional empirical matrix is inquired according to the current state parameters to obtain an oil cylinder control output value; and controlling the oil cylinder to perform action output based on the oil cylinder control output value so as to realize vertical lifting control. By presetting the four-dimensional empirical matrix and querying the corresponding four-dimensional empirical matrix according to the real-time state parameters, the control output value of the oil cylinder is determined, the control precision and efficiency of vertical lifting can be improved, and the energy consumption of vertical lifting control can be reduced.

The present application discloses an anti-coupling control method and system for a container front crane, and the technical field to which it belongs is the technical field of lifting equipment. The anti-coupling control method for the container front crane includes: if the current sling height is less than a first threshold value and a container landing signal is received; if so, the sling is controlled to lift in response to a lifting instruction, and the pressure detection results of the pressure sensor in the first lifting state and the second lifting state are determined; according to the pressure detection results, the force change information of the sling lock is determined, and according to the force change information, whether the lower corner piece of the container is hooked with the locking device of the flatbed trailer is determined; if so, the sling is controlled to stop lifting and an alarm message is generated. The present application can accurately determine whether the lower corner piece of the container is hooked with the locking device of the flatbed trailer. Improving the operational safety of the container front crane is a technical problem that those skilled in the art currently need to solve.