POWER FORCE TRANSMISSION SHAFT

• Main Authors: ITAGAKI TAKU, ISHIJIMA MINORU, KONOMOTO TAKEMI, ASANO YUICHI, KOBAYASHI TOMOSHIGE
• Format: Patent
• Language: English; Japanese
• Published: 26.05.2016
• Subjects: BEARINGS; BLASTING; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To provide a power force transmission shaft in which a twisting strength of the fiber reinforced plastic can be assured at a high level and its light weight formation can be attained.SOLUTION: This invention relates to a power force transmission shaft comprising a metallic shaft main body 2; and a reinforced fiber plastic shaft sub-body 3 cooperatively arranged at the metallic shaft main body 2. A triangular wave part 9 is formed at one end edge of the metallic shaft main body 2 and a triangular-shaped part 10 is formed at an end edge of the metallic shaft main body of the shaft sub-body 3. The metallic shaft main body 2 and the shaft sub-body 3 are integrally arranged in a linear manner through an engagement where the side part of the triangular wave part 9 of the main body and a side of the triangular shape part 10 at the sub-body are contacted to each other. A fiber orientation angle of the fiber reinforced plastic of the shaft sub-body 3 is set to have the same direction as that of stress generated at a slant side of each of the triangular shapes under a torque loaded condition.SELECTED DRAWING: Figure 1 【課題】繊維強化プラスチックの捩り強度を高レベルに確保できて、軽量化を図ることが可能な動力伝達シャフトを提供する。【解決手段】金属製シャフト本体２と、金属製シャフト本体２に連設される繊維強化プラスチック製のシャフト副体３とを備えた動力伝達シャフトである。金属製シャフト本体２の一方の端縁部に三角波形部９を形成するとともに、シャフト副体３の金属製シャフト本体側の端縁部に三角形状部１０を形成する。本体側の三角波形部９の側辺と副体側の三角形状部１０の側辺とが接触する噛合にて金属製シャフト本体２とシャフト副体３とを直線状に配設一体化する。シャフト副体３の繊維強化プラスチックの繊維配向角度を、トルク負荷状態において各三角形状部の斜辺に生じる応力方向と同方向となるように構成した。【選択図】図１