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A welding process for bulldozer blade

A welding process and bulldozer technology, used in welding equipment, manufacturing tools, arc welding equipment, etc., can solve problems such as wear and insufficient hardness of arc plates, and achieve excellent mechanical properties, simplified welding steps, and good weld formation.

Active Publication Date: 2021-04-06
SHANTUI CONSTR MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The frontal impact load is mainly borne by the arc plate at the front end of the blade. In the prior art, the arc plate of the bulldozer blade is mainly made of high-strength steel plate HQ110 for welding structure, and the hardness is HB340-400. According to market feedback, there is insufficient hardness of the arc plate , severe wear and tear

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  • A welding process for bulldozer blade
  • A welding process for bulldozer blade
  • A welding process for bulldozer blade

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Embodiment Construction

[0028] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0029] The invention provides a welding process of a bulldozer blade, such as figure 1 with figure 2 As shown, the bulldozer blade includes an arc-shaped plate 1, a crescent plate 2 positioned at the front side of the arc-shaped plate 1, a tool holder plate 3 positioned at the bottom of the arc-shaped plate 1, and a rear wall plate 4 positioned at the rear side of the arc-shaped plate 1, wherein , the curved plate 1 and the crescent plate 2 are both made of high-strength wear-resistant plates, preferably...

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Abstract

The invention relates to the technical field of bulldozers, and in particular to a welding process for a bulldozer blade. The bulldozer blade includes an arc-shaped plate, a crescent plate, a tool rest plate and a rear wall plate, wherein the arc-shaped plate and the crescent plate are both High-strength wear-resistant plate is used, and CO is used for welding 2 Gas shielded welding, first butt welding the crescent plate and the arc plate, then butt welding the tool holder plate and the arc plate, and finally welding the rear wall plate to the arc plate and the arc plate. The tool holder plate is butt welded. First, the arc plate and the crescent plate are made of high-strength wear-resistant plates, which significantly improves the wear resistance of the bulldozer; The optimal welding sequence between components, the mechanical properties of the blade after welding are excellent, and the impact performance is better.

Description

technical field [0001] The invention relates to the technical field of bulldozers, in particular to a welding process for bulldozer blades. Background technique [0002] In engineering construction, bulldozers mainly rely on the traction force of the whole machine to use the blade of the front working device to complete shoveling, soil transportation, filling, leveling and other operations. The frontal impact load is mainly borne by the arc plate at the front end of the blade. In the prior art, the arc plate of the bulldozer blade is mainly made of high-strength steel plate HQ110 for welding structure, and the hardness is HB340-400. According to market feedback, there is insufficient hardness of the arc plate , Severe wear and tear. [0003] NM400 is a kind of high-strength wear-resistant steel plate. NM- indicates the first letter of the Chinese pinyin of "resistant" and "grinding" for wear-resistant purposes, 400 is the Brinell hardness value HB value (400 hardness value...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/16B23K9/02
CPCB23K9/0026B23K9/02B23K9/16
Inventor 吴月王彩凤雷宁宁孟国强李德明丁志远李贺德
Owner SHANTUI CONSTR MASCH CO LTD
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