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Gear control method and device of power system in aboard operation and hoisting machine

A technology of power system and control method, applied in mechanical equipment, machine/engine, etc., can solve problems such as increased fuel consumption, unreasonable matching between load and engine, and achieve the effect of reducing fuel consumption rate

Active Publication Date: 2020-05-05
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a gear position control method and equipment for the power system during the boarding operation, aiming to solve the problem of increased fuel consumption caused by unreasonable matching between the load and the engine during the boarding operation in the existing lifting machinery question

Method used

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  • Gear control method and device of power system in aboard operation and hoisting machine
  • Gear control method and device of power system in aboard operation and hoisting machine
  • Gear control method and device of power system in aboard operation and hoisting machine

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Embodiment Construction

[0041] It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0042] The specific implementation manners of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation manners described here are only used to illustrate and explain the embodiments of the present invention, and are not intended to limit the embodiments of the present invention.

[0043] figure 1 It is a schematic flow chart of a gear control method of a power system during boarding operations according to an embodiment of the present invention. Such as figure 1 As shown, the present invention provides a gear position control method of a power system during boarding operations. The power system includes an engine, a transmission, and a power take-off that are sequentially power-coupled, and...

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Abstract

The embodiment of the invention provides a gear control method of a power system in aboard operation. The power system comprises an engine, a transmission and a power takeoff which are in power coupling in sequence. The output of the power takeoff is used for driving a load. The method includes the steps of obtaining the torque requirement and the rotating speed requirement of the load, calculating the fuel oil consumption rate of the engine corresponding to each gear combination in a gear combination variation set of the transmission and the power takeoff on the basis of the torque requirement and the rotating speed requirement, and determining the gear combination with the lowest fuel oil consumption rate as the optimal gear combination. Meanwhile, the invention further discloses a gearcontrol device of the power system in aboard operation. By means of the method and the device, the problem of the low energy utilization rate of the engine is solved, meanwhile the fuel oil consumption rate of the engine in a hydraulic system is reduced, and the stability of aboard operation is improved.

Description

technical field [0001] The invention relates to the field of mechanical automatic control, in particular to a gear position control method of a power system during boarding operations, a gear position control device of a power system during boarding operations, and a hoisting machine. Background technique [0002] Energy saving and emission reduction has always been a key research topic of construction machinery. The energy utilization rate of domestic construction machinery is relatively low, especially for truck cranes, the total energy utilization rate is even lower. The most important reason for the low energy utilization rate of construction machinery is that during the loading operation of the crane, due to the continuous real-time changes in the load conditions, the output of the engine and the driving oil pump cannot maintain a good power match, which is specifically reflected in the power of the power system. The transmission gear does not work in the optimal gear,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B67/04F02B63/06
CPCF02B63/06F02B67/04
Inventor 黄珍何伟宋建清刘强沈昌武
Owner ZOOMLION HEAVY IND CO LTD
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