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A method for forming the lower anvil of marine hydraulic piling hammer

A technology of hydraulic piling hammer and forming method, which is applied to household appliances, forging products, and other household appliances, etc., which can solve the problems of large energy loss and easy damage, and achieve uniform and dense internal structure, avoid stress concentration, and fine grain the effect of

Active Publication Date: 2021-06-18
中机真空科技(济南)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The lower anvil (replacement driving) is used as the energy transmission equipment for hammering pile sinking, and it also has the function of protecting the pile head. damage

Method used

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  • A method for forming the lower anvil of marine hydraulic piling hammer
  • A method for forming the lower anvil of marine hydraulic piling hammer
  • A method for forming the lower anvil of marine hydraulic piling hammer

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Embodiment Construction

[0019] The examples of the present invention are further described in detail below with reference to the accompanying drawings. The present invention provides a method for forming an anvil (replacement) of a large marine hydraulic pile hammer, and the final molding of the anvil is a circular cone, the diameter range is from 5.4 to 7.0m, and the height is 1.4-2.0m. Its preferred embodiment includes the steps of:

[0020] First, heating the smelting steel ingot, transporting to a large free forged hydraulic machine for the long-range anvil, then performing a thicker, crushing the core casting tissue, forging the tissue, loose and pore, etc., refined grains Improve internal.

[0021] Second, the steel ingots have been rolled, cut off the risks and ingots, forming a cylindrical primary blank ratio of about 2.5 (see figure 1 ).

[0022] Thereafter, the primary blank after heating is placed on the rotary table 3, first put the cover plate on the upper end of the blank 2 to carry out the...

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Abstract

A method for forming the lower anvil of a marine hydraulic piling hammer, comprising the steps of: elongating the smelted steel ingot by a wide anvil strong pressure method, rounding, cutting off the riser and the ingot tail, and forming a cylindrical primary with a height-to-diameter ratio of about 2.5 Billet; then upsetting to a billet with a height-to-diameter ratio of about 1.0; after that, the required cone-like body is formed by profiling; then normalizing; finally, rough machining and finishing are performed to achieve the required dimensional accuracy. The forming method has the advantages of high material utilization rate, high production efficiency, low energy consumption and high degree of automation.

Description

Technical field [0001] The present invention relates to the field of processing forming materials, and more particularly to a molding method of a large marine hydraulic pile hammer under anvil (replacement). Background technique [0002] The anvil (replacement) is a role of the energy transfer device of the hammering pile and the role of protecting the pile head, and is also one of the largest equipment that causes energy loss during the hammering process, which is easy for it as a fighting member. damage. The narvant is a special forgings of a conical shape, with a 2,500 kJ hydraulic pile hammer, anvil (replacement) as an example: part weight is 210 tons, the maximum diameter is 5700mm, with a large number of impact loads, poor use conditions, material, for materials, Smelting, forging and heat treatment processes have put forward higher requirements. Inventive content [0003] It is an object of the present invention to provide a molding method of a large marine hydraulic pile...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21K15/00
CPCB21K15/00
Inventor 袁海伦史宇麟禹兴胜杨意鹏
Owner 中机真空科技(济南)有限公司