PIN JOINT STRUCTURE, PIN JOINT JIG AND PIN JOINT METHOD

• Main Authors: TAIRA YOHEI, TOMITA HIDEO, SUENAGA SEIYA, YAMANOBE SHINICHI, KASAHARA KEI, OTAKA NORIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 14.09.2017
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; EMBANKMENTS; ENGINEERING ELEMENTS AND UNITS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HYDRAULIC ENGINEERING; LIGHTING; MECHANICAL ENGINEERING; SOIL SHIFTING; THERMAL INSULATION IN GENERAL; UNDERGROUND OR UNDERWATER STRUCTURES; WEAPONS

PROBLEM TO BE SOLVED: To suppress deterioration of rigidity in a pin coupling structure.SOLUTION: A pin joint structure 1 includes: an inner steel pipe 10 provided with a first pin hole 13 into which a pin 41 is inserted; an outer steel pipe 20 coupled with the inner steel pipe 10 with the pin 41 provided with a first jig hole 23; a first disc 51 arranged in the first jig hole 23, rotatable around a rotation axis 51c and provided with a second jig hole 52 so as to be eccentric from the rotation axis 51c; and a second disc 53 arranged in the second jig hole 52, rotatable around a rotation axis 53c and provided with a second pin hole 54 so as to be eccentric from the rotation axis 53c.SELECTED DRAWING: Figure 1 【課題】ピン連結構造における剛性の低下を抑制する。【解決手段】ピン継手構造１は、ピン４１が挿通される第１ピン孔１３が設けられた内鋼管１０と、第１治具孔２３が設けられピン４１によって内鋼管１０と連結される外鋼管２０と、第１治具孔２３に配置されて、回転軸線５１ｃのまわりに回転可能であり第２治具孔５２が回転軸線５１ｃから偏心して設けられた第１円盤５１と、第２治具孔５２に配置されて、回転軸線５３ｃのまわりに回転可能であり、第２ピン孔５４が回転軸線５３ｃから偏心して設けられた第２円盤５３と、を備える。【選択図】図１