Simple multi-connecting-rod controllable loader with active metamorphic function

Abstract

The invention relates to a simple multi-connecting-rod controllable loader with the active metamorphic function. A big arm of the loader is connected to a rack; a lifting mechanism is composed of the big arm and the rack, and the big arm is connected to the rack; a bucket turnover mechanism is composed of a bucket and a turnover mechanism, the bucket is connected to the big arm, and the turnover mechanism is composed of a driving rod, a first connecting rod, a second connecting rod and a third connecting rod. One end of the driving rod is connected to the rack, the other end of the driving rod is connected with the first connecting rod, the other end of the first connecting rod is connected to the second connecting rod, the other two ends of the second connecting rod are connected with the big arm and the third connecting rod respectively, the other end of the third connecting rod is connected with the bucket, and a locking device is installed on a revolute pair. The simple multi-connecting-rod controllable loader overcomes the defects that a hydraulic loader is complex in hydraulic system, high in requirement for machining precision and prone to oil leakage, active metamorphic operation can be carried out according to different operation working conditions, loading operation with two degrees of freedom is achieved, and it is suitable for manufacturing various loaders and other engineering machines.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to a simple multi-link controllable loader with the function of active cell transformation. Background technique [0002] Loader is a kind of earth and stone construction machine widely used in construction projects such as road, railway, construction, hydropower, port, mine. Among them, the hydraulic loader is the most widely used type of loader, but the manufacturing cost of the hydraulic system is high, oil leakage is prone to occur, and maintenance is difficult. These are long-standing thorny problems of the hydraulic loader. [0003] With the development of motor technology and the improvement of control technology, the controllable mechanical mechanism provides a broad development space for construction machinery. The multi-degree-of-freedom controllable mechanism driven by the motor not only has a large working space, flexible movement, and high reliability. At the same ...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a simple multi-link controllable loader with the function of active cell transformation. First, it should have the advantages of large working space, large loading capacity, and good force of traditional hydraulic loaders, and overcome the traditional hydraulic loaders. High maintenance cost, high operating noise, high cost of hydraulic components, and insufficient response. At the same time, the number of active levers used should be reduced, thereby reducing the number of controllable motors, reducing the manufacturing cost of the loading mechanism, and improving multiple motors. Coupled vibration caused by simultaneous work improves the service life of parts and the reliability of mechanisms

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