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3-3-1 type seven-mobility spatial hydraulic excavator

A hydraulic excavator and mobility technology, applied in mechanically driven excavators/dredgers, etc., can solve the problems of low work efficiency, inflexible movements, limited work space, etc., and achieve high work efficiency, large work space, The effect of the flexible output trajectory of the mechanism

Inactive Publication Date: 2013-05-08
GUANGXI UNIV
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a 3-3-1 type seven-activity space hydraulic excavator, which can effectively solve the problem that the traditional plane hydraulic excavator can only realize the trajectory output in the plane, resulting in inflexible movements, limited working space, and poor working conditions. The problem of low efficiency

Method used

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  • 3-3-1 type seven-mobility spatial hydraulic excavator
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  • 3-3-1 type seven-mobility spatial hydraulic excavator

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Embodiment Construction

[0017] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] control figure 1 , 2 , 3 and 4, the 3-3-1 type seven-activity space hydraulic excavator is composed of a three-dimensional rotating arm mechanism, a three-dimensional rotating arm mechanism and a one-dimensional rotating bucket mechanism.

[0019] control figure 1 , 2 , the three-dimensional rotating arm mechanism is composed of the three-dimensional rotating arm 3, the first hydraulic cylinder 4, the second hydraulic cylinder 27 and the third hydraulic cylinder 30, the three-dimensional rotating arm 3 is connected to the frame 1 through the first spherical pair 2, the second One end of a hydraulic cylinder 4 is connected to the frame 1 through the second spherical pair 29, the other end of the first hydraulic cylinder 4 is connected to the three-dimensional rotating arm 3 through the third spherical pair 5, and one ...

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Abstract

The invention relates to a 3-3-1 type seven-mobility spatial hydraulic excavator which comprises a three-dimensional rotating arm mechanism, a three-dimensional rotating bucket rod mechanism and a one-dimensional rotating scraper bucket mechanism. The three-dimensional rotating arm mechanism comprises a three-dimensional rotating arm, a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder, the three-dimensional rotating bucket rod mechanism comprises a three-dimensional rotating bucket rod, a fourth hydraulic cylinder, a fifth hydraulic cylinder and a sixth hydraulic cylinder, and the one-dimensional rotating scraper bucket mechanism comprises a one-dimensional rotating scraper bucket, a seventh hydraulic cylinder, a first connecting rod and a second connecting rod. The moving arm and bucket rod of the novel excavator can realize independent spatial three-dimensional rotation respectively, the whole excavator can realize spatial seven-mobility motion, the mechanism output trajectory is flexible, the working space is large, the working efficiency is high, and the novel excavator can play a better role in construction sites with harsh environments andnarrow and small spaces, as well as sudden accident rescue scenes which need to be excavated, remove obstacles and be leveled fast.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to a 3-3-1 type seven-degree-of-motion space hydraulic excavator. Background technique [0002] Hydraulic excavators are widely used in mechanized construction such as industry, transportation, energy, farmland renovation, water conservancy, civil construction, mining and modern military engineering due to their advantages of simple structure, light weight, and the ability to perform relatively complex actions. The traditional hydraulic excavator realizes the path output of the root of the bucket on the plane through the combined drive of the boom hydraulic cylinder and the stick hydraulic cylinder, and then realizes the flipping of the bucket by driving a separate bucket hydraulic cylinder. However, due to its structural limitations, the actuators of this type of hydraulic excavator can only realize the track output of two-dimensional translation and one-dimensional rotation of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/36E02F3/38E02F3/42
Inventor 蔡敢为潘宇晨王红州
Owner GUANGXI UNIV
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