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Vibration ageing device for movable loader arms

A vibrating aging, motorized arm technology, applied in furnaces, heat treatment equipment, heat treatment furnaces, etc., to achieve the effect of improving stability

Inactive Publication Date: 2014-02-05
NANNING SHENHUA VSR TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing vibration aging process, there is no process equipment and method that can be applied to the components mainly welded by thick plates, such as the vibration aging device for the loader arm

Method used

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  • Vibration ageing device for movable loader arms
  • Vibration ageing device for movable loader arms
  • Vibration ageing device for movable loader arms

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Embodiment Construction

[0010] The present invention will be described in further detail below in conjunction with accompanying drawing embodiment:

[0011] Such as figure 1 , figure 2 , image 3 The shown ZL50 loader arm vibration aging device includes a clamp body 1 consisting of a top plate, two parallel splints welded under the top plate, and two compression screws 5 mounted in one of the splints. The lower end of the vibrator 2 has two lugs protruding sideways, and the two lugs of the vibrator 2 are respectively fixed on the top plate of the clamp body 1 through the pressure plate 4 and the bolts 3 passing through the pressure plate 4; The top plate of Concrete 1 and its splint are welded with reinforcement plates. The arm of the ZL50 loader is composed of two boom plates 6 and a tubular beam 7 welded in the middle of the two boom plates 6. Its length is 2900 mm, width is 1180 mm, and the thickness of the boom plate is 50 mm. . Set the two parallel splints of the clamp body 1 of the vibrat...

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Abstract

The invention discloses a vibration ageing device for movable loader arms, and relates to the technical field of machining equipment manufacturing. The device comprises a vibration exciter and a fixture body, wherein the fixture body consists of a top plate, two clamping plates which are welded below the top plate and parallelly arranged, and a plurality of pressing screws which penetrate through one clamping plate; two ear plates which stretch out of the side are arranged at the lower end of the vibration exciter; the two ear plates of the vibration exciter are fixed on the top plate of the fixture body through a pressing plate and a bolt which penetrates through the pressing plate; and reinforcing rib plates are welded between the top plate and the clamping plates of the fixture body. Compared with the prior art, the device has the advantages that the welding residual stress of the movable loader arms can be quickly and effectively eliminated, and the machining accuracy and dimensional accuracy and stability of the movable loader arms are improved; when 100 movable loader arms which are subjected to vibration ageing treatment by the vibration ageing device for the movable loader arms are detected, the residual stress is averagely reduced by 45 percent; and when the movable arms are subjected to tracking detection for three months after being loaded and used, weld joints are not cracked or damaged.

Description

technical field [0001] The invention relates to the technical field of machining equipment manufacturing, in particular to a device for performing vibration aging treatment on a loader arm. Background technique [0002] Some large-scale welded components, especially loader arms, in the damage investigation statistics of their components, weld cracking and deformation are the main defects, most of which are caused by welding residual stress after welding. At present, the methods used to eliminate welding residual stress usually include natural aging, artificial heating aging treatment and vibration aging treatment. Artificial heating aging treatment requires a corresponding large heat treatment furnace for large welded components. Due to equipment, site and other conditions Generally, it is not adopted due to the limitations of the technology and the cost of the process; the long natural aging period takes up a lot of capital and is not suitable for large-scale production. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/50C21D10/00
Inventor 杨胜锋熊文府
Owner NANNING SHENHUA VSR TECH RES INST
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