A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
LOWER LEADER ATTACHING/DETACHING TOOL FOR PILE DRIVER
PROBLEM TO BE SOLVED: To provide a lower leader attaching/detaching tool for a pile driver that enables safe and easy attaching/detaching work for a lower leader without suspending the lower leader by a crane.SOLUTION: A lower leader attaching/detaching tool 41 comprises: a front support frame body 43 comprising a front support member 43a abutting on the front of a guide rail 28 of a second lower leader 20; a rear support frame body 44 comprising a rear support member 44a coupled to a lower part of the support frame body 43 to be raised, and abutting on the back of the guide rail 28 when raised; a first coupling pin 46 coupling the rear support frame body 44 and front support frame body 43 together to maintain the raised state of the rear support frame body 44; a second coupling pin 47 coupling the front support frame body 43 and guide rail 28 together and coupling the front support frame body 43 and guide rail 28 together; and a jack 45 configured to elevate the second lower leader 20 having its front and rear held between the rear support frame body 44 and front support frame body 43.SELECTED DRAWING: Figure 1
【課題】下部リーダをクレーンで吊ることなく、下部リーダの着脱作業を安全かつ簡単に行うことができる杭打機の下部リーダ着脱治具を提供する。【解決手段】下部リーダ着脱治具４１は、第２下部リーダ２０のガイドレール２８の前面に当接する前面支持部材４３ａを備えた前部支持枠体４３と、前部支持枠体４３の下部に起伏可能に連結され、起立時にガイドレール２８の後面に当接する後面支持部材４４ａを備えた後部支持枠体４４と、後部支持枠体４４と前部支持枠体４３とを連結して後部支持枠体４４の起立状態を保持する第１連結ピン４６と、前部支持枠体４３とガイドレール２８とを連結して前部支持枠体４３とガイドレール２８とを連結する第２連結ピン４７と、後部支持枠体４４と前部支持枠体４３とで前後を挟着した第２下部リーダ２０を昇降させるジャッキ４５とを備えている。【選択図】図１
LOWER LEADER ATTACHING/DETACHING TOOL FOR PILE DRIVER
PROBLEM TO BE SOLVED: To provide a lower leader attaching/detaching tool for a pile driver that enables safe and easy attaching/detaching work for a lower leader without suspending the lower leader by a crane.SOLUTION: A lower leader attaching/detaching tool 41 comprises: a front support frame body 43 comprising a front support member 43a abutting on the front of a guide rail 28 of a second lower leader 20; a rear support frame body 44 comprising a rear support member 44a coupled to a lower part of the support frame body 43 to be raised, and abutting on the back of the guide rail 28 when raised; a first coupling pin 46 coupling the rear support frame body 44 and front support frame body 43 together to maintain the raised state of the rear support frame body 44; a second coupling pin 47 coupling the front support frame body 43 and guide rail 28 together and coupling the front support frame body 43 and guide rail 28 together; and a jack 45 configured to elevate the second lower leader 20 having its front and rear held between the rear support frame body 44 and front support frame body 43.SELECTED DRAWING: Figure 1
【課題】下部リーダをクレーンで吊ることなく、下部リーダの着脱作業を安全かつ簡単に行うことができる杭打機の下部リーダ着脱治具を提供する。【解決手段】下部リーダ着脱治具４１は、第２下部リーダ２０のガイドレール２８の前面に当接する前面支持部材４３ａを備えた前部支持枠体４３と、前部支持枠体４３の下部に起伏可能に連結され、起立時にガイドレール２８の後面に当接する後面支持部材４４ａを備えた後部支持枠体４４と、後部支持枠体４４と前部支持枠体４３とを連結して後部支持枠体４４の起立状態を保持する第１連結ピン４６と、前部支持枠体４３とガイドレール２８とを連結して前部支持枠体４３とガイドレール２８とを連結する第２連結ピン４７と、後部支持枠体４４と前部支持枠体４３とで前後を挟着した第２下部リーダ２０を昇降させるジャッキ４５とを備えている。【選択図】図１
LOWER LEADER ATTACHING/DETACHING TOOL FOR PILE DRIVER
杭打機の下部リーダ着脱治具
KODAMA ATSUSHI (author)
2016-05-30
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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