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constant tensioning device for a rotary motion transfer apparatus
专利权人:
LAVERDA S.P.A.
发明人:
BRIAN HOLLATZ
申请号:
BR112015012589
公开号:
BR112015012589A2
申请日:
2013.11.22
申请国别(地区):
BR
年份:
2017
代理人:
摘要:
patent specification: "constant tensioning device for a rotary motion transfer apparatus". rotary motion transfer apparatus (10), such as a harvester grain elevator (12), comprising first and second endless flexible members (14, 54) which may include belts and / or chains. each flexible member (14, 54) is arranged around a respective set of rotatable members which may be pulleys, pulleys or sprockets. a rotary member of each assembly shares a common axis (18) and may or may not be in thrust coupling with one another. the common shaft (18) is mounted on a member of the adjusting frame (28) which is linearly displaced with respect to a main frame (46) to adjust the tension on the first infinite flexible member (14). a pair of crazy rotating members (58, 60) is provided for tensioning the second infinite flexible member (54) and is mounted on a pivot arm (62) which is mounted to the adjusting frame member (28) for movement in pivot around an intermediate pivot shaft (64) to the pair of crazy rotating limbs (58, 60). a lever (66) is fixed to the pivot arm (62) and a spring device (68) is fixed between the lever (66) and the main frame (46) to tilt the coupling crazy rotating members (58, 60) with opposite sides of the second infinite flexible member (54) with a substantially constant force over a common axis adjustment range (18).resumo patente de invenção: "dispositivo de tensionamento constante para um aparelho de transferência de movimento rotativo". o aparelho de transferência de movimento rotativo (10), tal como um elevador (12) de grãos de colheitadeira, que compreende um primeiro e um segundo membros flexíveis sem fim (14, 54) que podem incluir correias e/ou correntes. cada membro flexível (14, 54) é disposto em torno de um respectivo conjunto de membros rotativos que podem ser polias, roldanas ou rodas dentadas. um membro rotativo de cada conjunto compartilha um eixo comum (18) e pode ou não estar em acoplamento de impulsão um com o outro. o eixo comum (18) é mo
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