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Intelligent bus control system for loader shovel loading
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A bus control, loader technology, applied in mechanically driven excavators/dredgers, etc., can solve the problems of short service life, large energy loss, poor leveling function, etc. Flat function good effect
Active Publication Date: 2015-08-19
XCMG CONSTR MACHINERY
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[0008] In order to overcome the defects of large energy loss, short service life and poor leveling function of the known loader shovel loading process control system, the present invention provides a loader shovel loading intelligent bus control system, the loader shovel loading intelligent bus control system Small energy loss, long service life, good leveling function
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[0030] exist figure 1 Among them, the loader shovel intelligent bus control system includes a hydraulic oil tank 1 and a working pump 2, the oil inlet of the working pump 2 is connected to the hydraulic oil tank 1, and the oil outlet of the working pump 2 is connected to the oil inlet P of the electro-hydraulic proportional distribution valve 3 , the large chamber oil port A2 of the boom cylinder and the small chamber oil port B2 of the boom cylinder of the electro-hydraulic proportional distribution valve 3 are respectively connected with the large chamber and small chamber of the boom cylinder 4, and the large chamber of the tipping bucket cylinder of the electro-hydraulic proportional distribution valve 3 The oil port A1 and the small chamber oil port B1 of the dump cylinder are respectively connected with the large chamber and the small chamber of the dump cylinder 18; The arm lowering oil port b2 and the floating oil port 2C are respectively connected with the receiving b...
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Abstract
The invention discloses an intelligent shoveling bus controlling system of a loader. According to the intelligent shoveling bus controlling system of the loader, a collecting bucket oil port, a movable arm lifting oil port, an overturning bucket oil port, a movable arm descending oil port and a floating oil port of an electric-hydraulic proportional pilot valve are connected with a collecting bucket oil port, a movable arm lifting oil port, an overturning bucket oil port, a movable arm descending oil port and a floating oil port of an electric-hydraulic proportional distribution valve respectively, a second oil inlet of the electric-hydraulic proportional pilot valve is connected with a large cavity of a movable arm oil cylinder, and an overturning bucket cylinder displacement sensor, a movable arm displacement sensor, a shoveling bucket horizontal displacement sensor, a main controller, a descending height setting button, a lifting height setting button, an electric control pilot handle and an engine controller are respectively connected with a bus. The intelligent shoveling bus controlling system of the loader is efficient, saves energy, is small in energy loss, improves the stability and comfort of work of the whole loader, is long in service life, is good in leveling function, avoids accidents, guarantees operation safety, improves operation efficiency, is favorable for upgrading and modification of products, and is used for controlling the shoveling process of the loader.
Description
technical field [0001] The invention relates to a control system for the shovel loading process of a loader. Background technique [0002] The current loader control system generally adopts hydraulic pilot control to reduce labor intensity and improve comfort. However, due to the uneven skill level of loader operators, in order to improve work efficiency, operators generally adopt extensive construction mode, and rarely consider By optimizing the operation method, the goal of high efficiency and energy saving is achieved. [0003] When carrying out shoveling operations, due to the great cutting resistance of the accumulated materials on the bucket, the operator needs to perform multiple step-by-step operations to complete the shoveling process. The operator controls the loader to cut into the material pile at a certain initial speed. As the amount of material accumulated in front of the bucket increases, the forward speed of the loader decreases sharply. At this time, the ...
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