Combined gasket and automatic mounting and pasting jacking mechanism and welding process of combined gasket

A gasket and top-tight technology, applied in welding equipment, welding medium, welding equipment, etc., can solve the problem of inability to manually install gaskets

Active Publication Date: 2017-12-01
武汉天高熔接股份有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] An object of the present invention is to provide an automatic mounting and tightening mechanism for a combined liner, which is used for tightening and affixing a soft liner i...

Method used

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  • Combined gasket and automatic mounting and pasting jacking mechanism and welding process of combined gasket
  • Combined gasket and automatic mounting and pasting jacking mechanism and welding process of combined gasket
  • Combined gasket and automatic mounting and pasting jacking mechanism and welding process of combined gasket

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Embodiment Construction

[0070] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0071] The invention provides a combined liner, which is used to shape the back of the longitudinal seam when welding the front of the longitudinal seam between the bridge deck unit and the U-shaped rib, including:

[0072] a soft pad for snuggling against the back of the longitudinal seam;

[0073] a hard pad for being in close contact with the surface of the soft pad away from the longitudinal seam;

[0074] Wherein, when the front side of the longitudinal seam is welded, the soft liner is partially melted, but the hard liner is not melted.

[0075] In the above technical solution, the orthotropic slab steel bridge is spliced ​​by multiple bridge deck units, and each bridge deck unit needs to be welded with several U-shaped ribs, and a slender bridge must be formed between...

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Abstract

The invention discloses a combined gasket. The combined gasket is used for forming the back face of a longitudinal seam when the front face of the longitudinal seam of a bridge deck slab and a U-shaped rib is welded, and comprises a soft gasket body used for being attached to the back face of the longitudinal seam tightly, and a hard gasket body used for being attached to the face, away from the longitudinal seam, of the soft gasket body, wherein when the front face of the longitudinal seam is welded, part of the soft gasket body is fused, and the hard gasket body is not fused. The invention further discloses an automatic mounting and pasting jacking mechanism of the combined gasket and a welding process of the combined gasket. Through the combined gasket, the problem of hybrid manufacturing of low-melting-point materials and high-melting-point materials is solved, the gasket cost is reduced, through the automatic mounting and pasting jacking mechanism, the problem that gaskets cannot be mounted in long and narrow U-shaped cavities manually is solved, and through the welding process, the problem that burn through is liable to occur to traditional bridge deck slab U rib welding or the design weld penetration cannot be reached is solved.

Description

technical field [0001] The invention relates to longitudinal seam welding of U-shaped ribs of bridge deck units. More specifically, the present invention relates to a combined liner for single-sided welding and double-sided forming of longitudinal seams, its automatic mounting and tightening mechanism and welding process. Background technique [0002] Orthotropic slab bridges are widely used at home and abroad due to their advantages of light weight and large span. However, there has always been a hidden danger of fatigue cracks that is difficult to overcome in the welding of U-ribs of bridge deck units. At present, the design of U-shaped rib fillet welds on most bridge steel structures at home and abroad is to consider the outer welding, and the penetration requirement can reach 70-80%. Then to meet this requirement, it is necessary to adjust the assembly and welding in the production process. The process is strictly controlled. In the welding process of the existing weldi...

Claims

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Application Information

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IPC IPC(8): B23K9/18B23K9/025B23K9/12B23K9/035B23K9/32B23K35/362
CPCB23K9/025B23K9/035B23K9/12B23K9/18B23K9/32B23K35/3602B23K35/362
Inventor 屠涛雄汪小根李华胡文喜易武强
Owner 武汉天高熔接股份有限公司
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