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Hydraulic system for hydraulic pile hammer

A technology of hydraulic piling hammer and hydraulic system, applied in the field of hydraulic system of hydraulic piling hammer, can solve rare problems and other problems, and achieve the effect of obvious effect, shortening pipeline length and simplifying hydraulic system.

Inactive Publication Date: 2013-01-09
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research on hammering theory based on hydraulic hammer and the complex mechanical process of pile-soil contact are rare. How to develop and correctly use hydraulic hammer is very important.

Method used

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  • Hydraulic system for hydraulic pile hammer
  • Hydraulic system for hydraulic pile hammer
  • Hydraulic system for hydraulic pile hammer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A hydraulic system of a hydraulic piling hammer, the system includes a double-wall hydraulic cylinder 6, a hydraulic slide valve 5, a load valve 1, a two-position four-way control valve 2, a low-pressure accumulator group 3, a hydraulic hammer travel switch group 4, a high-pressure The accumulator group 7 and the power source; the high-pressure accumulator group 7 is located at the oil inlet of the lower chamber of the double-wall hydraulic cylinder 6, and the low-pressure accumulator group 3 is located at the oil discharge port of the upper chamber of the double-wall hydraulic cylinder 6. A hydraulic spool valve 5 is arranged between the inner wall of the cylinder 6 and the outer wall of the double-wall hydraulic cylinder 6; the oil outlet T port of the load valve 1 is connected to the oil discharge port of the upper chamber of the double-wall hydraulic cylinder 6, and the connection position of the T port is in the low-pressure accumulator Before the position of the ac...

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PUM

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Abstract

The invention belongs to the technical field of piling machinery construction equipment of mechanical engineering and civil engineering, machinery parts and transmission devices and discloses a hydraulic system for a hydraulic pile hammer. The hydraulic system for the hydraulic pile hammer comprises a double-wall hydraulic cylinder (6), a hydraulic slide valve (5), a loading valve (1), a two-position four-way control valve (2), a low-pressure energy accumulator set (3), a hydraulic hammer travel switch set (4), a high-pressure energy accumulator set (7) and a power source. An integrated structure is adopted by the hydraulic system provided by the invention; the pipeline length and the possible bend are reduced; the linear loss is greatly reduced; and the effect is more obvious especially under the conditions of large flow and high pressure.

Description

technical field [0001] The invention belongs to the technical field of pile machinery construction equipment, mechanical parts and transmission devices of mechanical engineering and civil engineering, and relates to a hydraulic system of a hydraulic piling hammer with large striking energy, fast striking frequency and comprehensive utilization of energy. Background technique [0002] Human beings have a long history of understanding and utilizing piles and pile foundation engineering. Archeology has discovered piles in ancient cultural sites in Chile, which are about 12,000 years old; in the Hemudu site in Yuyao, Zhejiang, and the Banpo Village site in Xi'an, Shaanxi, it can be seen that people have penetrated tree poles into the soft soil layer 7,000 years ago In order to support the original form of buildings, in the long process of human history, the types and techniques of pile foundations have been greatly developed and changed. The piles can be divided into wooden pil...

Claims

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Application Information

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IPC IPC(8): E02D7/10F15B11/02F15B1/02
Inventor 訚耀保黄姜卿
Owner TONGJI UNIV
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