Front shovel excavating and loading device capable of automatically realizing bucket lifting energy saving and meeting translation requirement

Abstract

The invention discloses a front shovel excavating and loading device capable of automatically realizing bucket lifting energy saving and meeting translation requirement. In the front shovel excavating and loading device, the lower end of a movable arm is hinged to a frame; the upper end of the movable arm is hinged to one end of a bucket rod; the other end of the bucket rod is hinged to one position of a bucket; one end of a pair of movable arm hydraulic cylinders is hinged to the movable arm; the other end of the pair of movable arm hydraulic cylinders is hinged to the frame; one end of a pair of bucket rod hydraulic cylinders is hinged to the middle part of the bucket rod; the other end of the pair of bucket rod hydraulic cylinders is hinged to one position of the movable arm; one end of a pair of bucket hydraulic cylinders is hinged to another position of the bucket; a pair of movable arm rocking bars are hinged to both sides of the movable arm respectively; the other two hinge points of the pair of movable arm rocking bars are hinged to the other end of the pair of bucket rod hydraulic cylinders and one end of a pair of connecting rods; the other end of the pair of connecting rods is hinged to the frame. The front shovel excavating and loading device has the advantages of compact structure, low energy consumption, reasonable power transmission, large working space and easiness in controlling.

Description

technical field [0001] The invention relates to an excavator, in particular to a working device of the excavator. Background technique [0002] The front shovel digging and loading device is the most commonly used working device for hydraulic excavators. It mainly takes blasted rocks, ores and vertical mine faces with a certain height as the main working objects. The working conditions are harsh, and the main excavating structure is required to provide enough Large digging force and lifting force, so the front shovel digging and loading device is often used in medium and large excavators. [0003] The working device of the excavator is the main component to complete the various functions of the excavator. The research and development of large-scale hydraulic excavators in my country started relatively late, and domestic research results on working devices of hydraulic front shovel excavators are relatively poor. Chinese patent CN200720177612.3 relates to an excavator hinge...

AI Technical Summary

Problems solved by technology

Wherein representative is the hydraulic excavator that Terex (Terex) company produces contains " powerful triangular " component, and the super-large front shovel excavator that Caterpillar produces also continues to use this structure later, but " powerful triangular " "The structure is prone to singularity in position during the movement of the boom, which limits the scope of excavation

Although the front shovel hydraulic excavator technology of foreign manufacturers is relatively mature, so far the structure of the excavator is relatively single, and it cannot meet the transmission requirements under various working conditions at the same time

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