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TWO-POWER-SUPPLY CONVERSION MECHANISM, AND CONVERSION SWITCH
TWO-POWER-SUPPLY CONVERSION MECHANISM, AND CONVERSION SWITCH
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机译：双电源转换机制和转换开关
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摘要
The present application discloses a two-power-supply conversion mechanism and a conversion switch. The two-power-supply conversion mechanism comprises: a cam provided with at least two curved cam surfaces having different rotating radii; two pulleys, wherein when the cam rotates, one of the pulleys performs a linear movement toward a rotating shaft of the cam, and the other one of the pulleys performs a linear movement away from the rotating shaft of the cam; two link mechanisms having input ends respectively connected to the pulleys, and output ends respectively connected to power supply switches; and two action limiting members. The power supply switches are opened or closed by means of driving the link mechanisms to move by means of the different positions of the pulleys during the linear movements thereof. Since one of the pulleys performs a linear movement toward the rotating shaft of the cam while the other pulley performs a linear movement away from the rotating shaft of the cam, the invention ensures that the two pulleys perform linear movements in different directions, and the linear movements in different directions correspond to different closed or opened states of the power supply switches, thereby preventing the two power supply switches from being closed at the same time.
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