Excavating mechanism of controllable planar three degree of freedom

A technology with a degree of freedom and plane, applied in the direction of mechanically driven excavators/dredgers, etc., can solve the problems of high requirements for hydraulic system components, short life, difficult to change, etc., to solve high requirements for components, manufacturing and processing requirements Low, simple and compact structure

Inactive Publication Date: 2011-05-18
GUANGXI UNIV
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Problems solved by technology

At present, there is a consensus in the field of construction machinery that the actions that mechanical excavators can perform are simple and difficult to change, and many actions cannot be realized; hydraulic excavators can flexibly perform various engineering actions, but there are requirements for hydraulic system components High, short life, oil leakage and other defects

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  • Excavating mechanism of controllable planar three degree of freedom
  • Excavating mechanism of controllable planar three degree of freedom
  • Excavating mechanism of controllable planar three degree of freedom

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Embodiment Construction

[0024] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] control figure 1 , 3 and 4, the excavating arm is a planar two-degree-of-freedom controllable mechanism, including a first active rod 1 , a second active rod 4 , a first driven rod 2 , a transmission rod 3 and a frame 26 . The first active lever 1 is hinged on the frame 26 through the second hinged hole 8 , and hinged with the first driven lever 2 through the first hinged hole 9 . The first driven rod 2 is a bent rod, and the middle bent part has a fifth hinged hole 10, and is hinged with the transmission rod 3 through the fifth hinged hole 10. The second active rod 4 is hinged on the fourth hinged hole 11 on the frame 26 and is hinged with the transmission rod 3 through the third hinged hole 12 .

[0026] control figure 1 , 2 and 6, the first active rod 1 and the second active rod 4 are respectively controlled by ...

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Abstract

The invention relates to an excavating mechanism of controllable three degree of freedom, comprising an excavating arm, a bucket turning-over mechanism, a backhoe bucket and a stand. The excavating arm is a mechanism of controllable planar two degree of freedom, wherein one end of a first driving rod (1) of the mechanism is hinged together with a first driven rod (2) through a first hinge hole (9), and the other end is hinged on the stand (26) through a second hinge hole (8); one end of a second driving rod (4) is hinged together with a transmitting rod (3) through a third hinge hole (12), and the other end is hinged on the fourth hinge hole (11) of the stand (26); and the driven rod (2) is a curved rod which is provided with a fifth hinge hole (10) on the middle curved part and is hinged together with the transmitting rod (3). The invention solves the problems that the traditional mechanical excavating mechanism of single degree of freedom acts simply and the hydraulic excavating mechanism is easy to leak oil.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to a planar three-degree-of-freedom controllable excavating mechanism. Background technique [0002] Excavator is an important construction machinery, which is widely used in mechanized construction such as industry, transportation, energy, farmland transformation, water conservancy, civil construction, mining and modern military engineering. So far, there are mainly two types of excavators: mechanical and hydraulic. Mechanical excavators have a history of more than 100 years. They use mechanical transmission parts to realize excavation actions, and they have the advantages of being strong and durable. However, the traditional single-degree-of-freedom mechanical excavator cannot complete complex actions. Even if it is only used for mining, it often encounters difficulties, such as: the bucket teeth cannot generate greater cutting force when digging a higher table; Basically, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/28E02F3/36E02F3/43
Inventor 蔡敢为潘宇晨
Owner GUANGXI UNIV
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