A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
To provide an existing pile pulling-out device capable of pulling out an existing pile by gripping the middle position by a chuck claw.MEANS FOR SOLVING THE PROBLEM: An existing pile pulling-out device 1 comprises: a cylindrical casing 2; a rod 4 which is disposed on the outer peripheral side of the casing 2 and which transmits a force toward the tip of the casing 2; a chuck claw body 51 which is disposed close to the outer peripheral side and the tip of the casing 2 and can be moved interlockingly with the rod 4 so as to project the tip from the outside to the inside of the casing 2; and a gripping block 52 which is provided to the tip of the chuck claw body 51 so as to be rotatable by a rotary shaft and which includes an abutment surface 54 which abuts against the existing pile.SELECTED DRAWING: Figure 1
【課題】チャック爪により既設杭の途中位置を掴んで引き抜き可能な既設杭引き抜き装置を提供すること。【課題を解決するための手段】既設杭引き抜き装置１は、円筒状のケーシング２と、ケーシング２の外周側に配置されてケーシング２の先端に向けて力を伝達するロッド４と、ケーシング２の外周側かつ先端部寄りに配置され、ロッド４に連動して、ケーシング２の外側から内部に先端部を突出するように移動可能なチャック爪本体部５１と、チャック爪本体部５１の先端に回転軸により回転可能に設けられ、既設杭に当接する当接面５４が設けられた把持ブロック５２とを備えている。【選択図】図１
To provide an existing pile pulling-out device capable of pulling out an existing pile by gripping the middle position by a chuck claw.MEANS FOR SOLVING THE PROBLEM: An existing pile pulling-out device 1 comprises: a cylindrical casing 2; a rod 4 which is disposed on the outer peripheral side of the casing 2 and which transmits a force toward the tip of the casing 2; a chuck claw body 51 which is disposed close to the outer peripheral side and the tip of the casing 2 and can be moved interlockingly with the rod 4 so as to project the tip from the outside to the inside of the casing 2; and a gripping block 52 which is provided to the tip of the chuck claw body 51 so as to be rotatable by a rotary shaft and which includes an abutment surface 54 which abuts against the existing pile.SELECTED DRAWING: Figure 1
【課題】チャック爪により既設杭の途中位置を掴んで引き抜き可能な既設杭引き抜き装置を提供すること。【課題を解決するための手段】既設杭引き抜き装置１は、円筒状のケーシング２と、ケーシング２の外周側に配置されてケーシング２の先端に向けて力を伝達するロッド４と、ケーシング２の外周側かつ先端部寄りに配置され、ロッド４に連動して、ケーシング２の外側から内部に先端部を突出するように移動可能なチャック爪本体部５１と、チャック爪本体部５１の先端に回転軸により回転可能に設けられ、既設杭に当接する当接面５４が設けられた把持ブロック５２とを備えている。【選択図】図１
EXISTING PILE PULLING-OUT DEVICE
既設杭引き抜き装置
YASUI YUKIO (author)
2021-03-01
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
| European Patent Office | 2022