The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2024
Filed:
Aug. 23, 2021
Xinxing LI, Hubei, CN;
Sheng Li, Hubei, CN;
Xinxing Li, Hubei, CN;
Other;
Abstract
A diaphragm wall down-the-hole hammer trenching machine comprises a crane, a guide frame, a push-pull device, cluster down-the-hole hammers, gas collecting hoods, a high-pressure medium pipe or cable, and a slurry discharge pipe. The crane suspends the guide frame; the cluster down-the-hole hammers are 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 and secondary hammers; the plurality of secondary hammers are provided on each primary hammer; one gas collecting hood is provided on the lower part of each primary hammer; the high-pressure medium pipe or cable passes through the guide frame and the push-pull device to enter a primary hammer distribution pipeline to drive the secondary hammers to perform percussive drilling; mud channels are provided in each primary hammer; and the slurry discharge pipe passes through the guide frame and communicates with the gas collecting hoods.