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Bucket rod device, control method thereof and excavator

A technology for excavators and sticks, applied in the field of excavators, can solve the problem of not being able to maintain the maximum digging force of sticks for a long time.

Active Publication Date: 2020-07-03
SANY HEAVY MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the maximum digging force of the stick cannot be maintained for a long time

Method used

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  • Bucket rod device, control method thereof and excavator
  • Bucket rod device, control method thereof and excavator
  • Bucket rod device, control method thereof and excavator

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0031] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention provides a bucket rod device, a control method thereof and an excavator, and belongs to the technical field of the excavator. The bucket rod device comprises a movable arm, wherein a first connection point, located at the connecting end of a bucket rod, of the movable arm is rotationally connected with the bucket rod, a connecting rod is rotationally connected to the movable arm andcomprises a first rotating arm and a second rotating arm which are extended outwards from the connected position, an included angle of the first rotating arm and the second rotating arm is fixed, theend part of the first rotating arm is rotationally connected to a cylinder barrel of a bucket arm cylinder, a second connection point of the connecting end of the bucket rod is rotationally connectedwith a movable rod of the bucket arm cylinder, an auxiliary oil cylinder is arranged on the movable arm, a cylinder barrel of the auxiliary oil cylinder is rotationally connected with the movable arm,and a movable rod of the auxiliary oil cylinder is rotationally connected with the end part of the second rotating arm; displacement sensors are arranged on the bucket arm cylinder and the auxiliaryoil cylinder respectively, and an angle sensor is arranged at the second connection point; and bucket rod device further comprises a controller electrically connected with the displacement sensors, the angle sensor and the auxiliary oil cylinder respectively. According to the invention, the bucket rod can keep the maximum digging force for a long time.

Description

technical field [0001] The invention relates to the technical field of excavators, in particular to a stick device, a control method thereof, and an excavator. Background technique [0002] Excavators have functions such as excavating earth and rocks, demolishing buildings, and moving heavy objects. The working device of the excavator is mainly composed of a boom, a stick, and a bucket. The rear end of the boom is hinged with the main engine, the front end is hinged with the stick, the two ends of the boom cylinder are respectively hinged with the boom and the main engine, and the boom cylinder is hinged. The movable rod pushes the boom to rotate around its rear end to realize the up and down swing of the front end of the boom. The two ends of the stick cylinder are respectively hinged with the boom and the stick, and the movable rod of the stick cylinder pushes the lower end of the stick to swing back and forth. [0003] The excavation system of the existing excavator is ...

Claims

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Application Information

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IPC IPC(8): E02F3/30E02F3/36E02F3/38E02F3/42G01D21/02
CPCE02F3/30E02F3/36E02F3/369E02F3/38E02F3/42E02F3/425E02F3/435G01D21/02
Inventor 杨洋闫海瑞叶其团
Owner SANY HEAVY MACHINERY
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