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Robot Arm and Excavator

A technology of robotic arms and excavators, applied in mechanically driven excavators/dredgers, etc., can solve problems such as easy cracking of welds, and achieve the effects of reducing cracking of welds, prolonging service life, and improving overall strength.

Active Publication Date: 2022-04-29
ZOOMLION HEAVY IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to provide a kind of mechanical arm, to solve the problem that the welding seam in the mechanical arm is easy to crack

Method used

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  • Robot Arm and Excavator
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Embodiment Construction

[0030] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0031] The present invention provides a mechanical arm, wherein the mechanical arm comprises a top plate 1, a side plate 2 and a bottom plate 3, one of the top plate 1 and the side plate 2 is provided with a first tooth 15, and the other A first hole 9 is provided, the first tooth 15 is inserted into the first hole 9 and welded to each other, one of the side plate 2 and the bottom plate 3 is provided with a second tooth 16, and the other is provided with a second holes 12, the second teeth 16 are inserted into the second holes 12 and welded to each other.

[0032] The mechanical arm (or arm) includes a top plate 1, a side plate 2 and a bottom plate 3, and the top plate ...

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Abstract

The invention relates to the field of excavators, and discloses a mechanical arm and an excavator, wherein the mechanical arm includes a top plate (1), a side plate (2) and a bottom plate (3), and the top plate (1) and the side plate one of the plates (2) is provided with a first tooth (15) and the other is provided with a first hole (9) into which the first tooth (15) is inserted and welded to each other, The side plate (2) and the bottom plate (3) are respectively provided with a second tooth (16) and a second hole (12), and the second tooth (16) is inserted into the second hole (12) and mutually welding. Through the above scheme, the connection between the side plate, the top plate and the bottom plate is through the tooth inserted into the hole and welded, the hole can limit the lateral movement of the tooth, and the lateral support of the hole to the tooth can replace the welding seam to bear the mechanical arm. The force can reduce the force on the weld, avoid or reduce the crack of the weld, improve the overall strength of the mechanical arm, and prolong the service life.

Description

technical field [0001] The invention relates to the field of excavators, in particular to a mechanical arm and an excavator. Background technique [0002] An excavator is an earth-moving machine that uses a bucket to excavate materials above or below the bearing surface, and loads them into transport vehicles or unloads them into stockyards. The stick is a workpiece of the excavator, usually also called the forearm, and its main function is to control the excavation and loading of the bucket. [0003] The excavator stick includes a box beam welded by the top plate, side plate, and bottom plate. Affected by the welding quality, with the use of the stick, the weld tends to crack, and there are bucket cylinder shaft holes and stick The lug plate of the cylinder shaft hole is subjected to great hydraulic pressure, and the weld at the bottom of the lug plate is more likely to crack. Contents of the invention [0004] The purpose of the present invention is to provide a mechan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F3/28E02F3/34
CPCE02F3/28E02F3/34
Inventor 苏瑞杰王稳稳秦勇何骞
Owner ZOOMLION HEAVY IND CO LTD
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