Pre-formed hole in-hole tamping device and tamping method thereof

The invention discloses a pre-formed hole in-hole tamping device and a tamping method thereof. The tamping device comprises a pile casing, a feeding device, a hydraulic transmission device and a rammer, the pile casing is matched with a preformed hole, a hanging seat for hooking hoisting equipment i...

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Bibliographic Details
Main Authors ZHANG ZHONGDAO, DENG YURONG, LIU JUNBI, GUO GUIMIN, GAO BINFENG, XU WANLONG, WANG XILIANG
Format Patent
LanguageChinese
English
Published 09.02.2021
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention discloses a pre-formed hole in-hole tamping device and a tamping method thereof. The tamping device comprises a pile casing, a feeding device, a hydraulic transmission device and a rammer, the pile casing is matched with a preformed hole, a hanging seat for hooking hoisting equipment is connected to the side, close to the upper end, of an inner cavity of the pile casing, the feedingdevice is connected to the lower portion of the hanging seat, the feeding device comprises a hopper connected to the inner wall of the pile casing, a distributor and material guide pipes, the distributor is connected to the lower portion of the hopper, the distributor annularly communicates with the material guide pipes, the material guide pipes are welded to the inner wall of the pile casing, thelower ends of the material guide pipes are located above the lower end of the pile casing, a mounting seat is arranged below the distributor, the mounting seat is connected with the upper end of a hydraulic cylinder of the hy
Bibliography:Application Number: CN202011327577