US 11,873,689 B2
Integrated piling tool with continuous drilling and circulation pouring
Jialin Tian, Chengdu (CN); Lei Tang, Chengdu (CN); Yan Li, Chengdu (CN); and Chunyu Xing, Chengdu (CN)
Assigned to Southwest Petroleum University, Chengdu (CN)
Filed by Southwest Petroleum University
Filed on Feb. 26, 2021, as Appl. No. 17/187,162.
Claims priority of application No. 202011356617.9 (CN), filed on Nov. 26, 2020.
Prior Publication US 2022/0162919 A1, May 26, 2022
Int. Cl. E21B 17/22 (2006.01); E21B 10/44 (2006.01); E02D 5/34 (2006.01); E21B 10/43 (2006.01); E21B 10/60 (2006.01); E02D 5/46 (2006.01)
CPC E21B 17/22 (2013.01) [E02D 5/34 (2013.01); E21B 10/43 (2013.01); E21B 10/44 (2013.01); E21B 10/60 (2013.01); E02D 5/46 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An integrated piling tool with continuous drilling and circulation pouring, comprising: a power connector, a circulation device, a drill assembly, a cleaning mechanism and a pouring mechanism; wherein the circulation device includes a first connecting sleeve, a drill barrel, a spiral piece, a spiral reinforcement, a circulation connection, a first semicircular connecting groove, and a fixing orifice; the first connecting sleeve is connected to the power connector and the circulation connection is connected to the drill assembly; the spiral piece continuously transports cuttings during piling drilling; and the drill assembly includes a drill body, a second connecting sleeve, transmission parts, a drill tool holder, drilling teeth, fixing pieces, and a second semicircle connecting groove; the drilling teeth are detachable from the drill tool holder and are configured to cut and burst rock; the transmission parts deliver the cuttings from inside the drill assembly to outside the circulation device and from below the drill assembly to the spiral piece; the pouring mechanism comprises a pouring channel, a pin, and a valve; and the circulation device, the pouring channel and the valve are configured to implement concrete pouring.