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Hydraulic pile-breaking machine

A pile breaker and hydraulic technology, applied in sheet pile wall, construction, infrastructure engineering and other directions, can solve problems such as adverse effects on construction workers, uneven surface of pile head breaking, low construction efficiency, etc., and improve the quality of pile breaking. , High practicability, the effect of ensuring construction quality

Active Publication Date: 2018-08-07
CHINA RAILWAY NO 10 ENG GRP NO 1 ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The construction efficiency of this kind of traditional pile breaking is extremely low, and the breaking surface of the pile head is uneven, the construction quality is poor, and a large amount of dust will be generated during the construction process, which will have a certain adverse effect on the construction workers.

Method used

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Examples

Experimental program
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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing by non-limiting embodiment:

[0019] As shown in the accompanying drawings, a hydraulic pile breaking machine includes a plurality of hydraulic pile breaking units, each hydraulic pile breaking unit includes a single-acting hydraulic cylinder, a set of support shoe devices, a pile breaking drill bit (10) , Hydraulic cylinder connection bracket (8). Shown in this embodiment are nine hydraulic pile breaking units. The hydraulic cylinder includes a cylinder 2 , a piston rod 3 arranged inside the cylinder 2 , and an end cover 7 arranged at the front end of the cylinder 2 , and the cylinder 2 is provided with a liquid inlet 1 . The support shoe device includes a support shoe bar 5 and a support shoe 9. The support shoe bar 5 includes a cylindrical first rod part 51 and a cylindrical second rod part 52 connected coaxially. The diameter of the first rod part 51 is larger than The d...

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Abstract

The invention discloses a hydraulic pile-breaking machine. The hydraulic pile-breaking machine comprises a plurality of hydraulic pile-breaking units, wherein each hydraulic pile-breaking unit comprises a hydraulic cylinder, a supporting shoe device, a pile-breaking boring bit and a hydraulic cylinder connecting bracket; the supporting shoe device comprises a supporting shoe rod and a supporting shoe; the supporting shoe rod comprises a first rod part and a second rod part; an axial through hole is arranged in the middle part of the supporting shoe rod; a through hole is arranged in the middlepart of the supporting shoe; the supporting shoe is connected to the front end part of the supporting shoe rod by threads; the first rod part of the supporting shoe rod is positioned in a cylinder barrel of the hydraulic cylinder and sheaths a piston rod of the hydraulic cylinder; a piston rod spring is arranged between the piston rod of the hydraulic cylinder and the supporting shoe rod; the hydraulic cylinder connecting bracket is fixedly connected to the outer side of an end cover of the hydraulic cylinder by bolts; a supporting shoe rod spring is arranged between the supporting shoe rod and the hydraulic cylinder connecting bracket; the pile-breaking boring bit is detachably connected to the front end of the piston rod of the hydraulic cylinder; all the hydraulic pile-breaking units are connected in sequence to form a round structure by the hydraulic cylinder connecting brackets and utilization of installation pins.

Description

technical field [0001] The invention relates to a hydraulic pile breaker, which belongs to the technical field of subway construction equipment. Background technique [0002] Before the foundation pit excavation of subway construction, the construction of retaining piles is usually carried out to ensure the safety of the foundation pit excavation work in the later stage. Pile foundation construction requires overfilling concrete, and the pile head needs to be broken to clean up the overfilling concrete in pile foundation construction during crown beam construction. At present, the pile head is basically broken by manual drilling machine plus hand-held hydraulic pile breaker. The construction efficiency of this kind of traditional broken pile is extremely low, and the broken surface of the pile head is uneven, the construction quality is poor, and a large amount of dust will be generated during the construction process, which will have certain adverse effects on the health o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D9/00
CPCE02D9/00
Inventor 孟志明李怀滨苏清浩李新征张华光周建明吕宗华刘明山
Owner CHINA RAILWAY NO 10 ENG GRP NO 1 ENG CO LTD
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