Title:
DIAPHRAGM WALL DOWN-THE-HOLE HAMMER TRENCHING MACHINE AND USE METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/052796
Kind Code:
A1
Abstract:
A diaphragm wall down-the-hole hammer trenching machine, comprising a crane (1), a guide frame (2), a push-pull device (3), a cluster down-the-hole hammer (4), a gas collecting hood (5), a high-pressure medium pipe or cable (6), and a slurry discharge pipe (7). The crane suspends the guide frame; the cluster down-the-hole hammer is connected to the bottom of the guide frame by means of the push-pull device; each cluster down-the-hole hammer comprises a primary hammer (4.1) and secondary hammers (4.2); the plurality of secondary hammers are provided on the primary hammer; the gas collecting hood is provided on the lower part of the primary hammer; the high-pressure medium pipe or cable passes through the guide frame, and the push-pull device enters a primary hammer distribution pipeline to drive the secondary hammers to perform percussive drilling; a mud channel (8) is provided in the primary hammer; the slurry discharge pipe passes through the guide frame and is communicated with the gas collecting hoods. Also disclosed is a use method of the diaphragm wall down-the-hole hammer trenching machine. The diaphragm wall down-the-hole hammer trenching machine is simple in equipment, and the matched crane and air compressor are both universal equipment, and thus, the manufacturing cost is much lower than that of a diaphragm wall trench milling machine. The hammer trenching machine has high hard rock construction efficiency, wear-resistant drilling tools, easy maintenance, low cost, easy construction, and larger trench width, thereby improving the safety of a diaphragm wall engineering structure, saving steel bar materials, and achieve a high equipment utilization rate.
Inventors:
LI SHENG (CN)
LI XINXING (CN)
LI XINXING (CN)
Application Number:
PCT/CN2021/114006
Publication Date:
March 17, 2022
Filing Date:
August 23, 2021
Export Citation:
Assignee:
LI XINXING (CN)
International Classes:
E21B4/16
Foreign References:
| CN110886579A | 2020-03-17 | |||
| CN108104713A | 2018-06-01 | |||
| CN210659913U | 2020-06-02 | |||
| CN112196460A | 2021-01-08 | |||
| CN111550179A | 2020-08-18 | |||
| CN104074461A | 2014-10-01 | |||
| CN105041199A | 2015-11-11 | |||
| US4637476A | 1987-01-20 | |||
| JP2012112227A | 2012-06-14 |
Attorney, Agent or Firm:
SOON IP LAW FIRM (CN)
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