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    • 2. 发明授权
    • Hoist and traction machine with free rotation control
    • 起升牵引机具有自由旋转控制
    • US5305989A
    • 1994-04-26
    • US852943
    • 1992-03-17
    • Yoshio NishiYasuo WadaHaruo KubotaMunenobu HondaYoshio Ueno
    • Yoshio NishiYasuo WadaHaruo KubotaMunenobu HondaYoshio Ueno
    • B66D3/04B66D3/10B66D3/14B66D1/14
    • B66D3/14
    • A hoist and traction machine having a mechanical brake, in which an operating handle is non-rotatably and axially movably interposed between a stopper provided at an axial end of a driving shaft and a driving member screwable with the driving shaft. Between the operating handle and the stopper is provided a regulation unit for regulating a relative rotation range of the driving member with respect to the driving shaft so as to enable release of the regulation by moving the handle away from the driving member, so that the driving member is moved away from a driven member by of moving the operating handle from the driving member to be normally rotated in a free-rotation operation mode whereby the braking action of the mechanical brake by a braking ratchet wheel and braking plates is released to control the free rotation of the driving shaft and the elastic biasing member biases it to maintain the state of free rotation control.
    • 一种具有机械制动器的起重机和牵引机,其中操作手柄不可旋转地且轴向可移动地插入在设置在驱动轴的轴向端部处的止动件和可与驱动轴可旋转的驱动构件之间。 在操作手柄和止动件之间设置有用于调节驱动构件相对于驱动轴的相对旋转范围的调节单元,以便通过将手柄远离驱动构件移开来释放调节,使得驱动 通过将操作手柄从驱动构件移动以使其正常地以自由旋转操作模式旋转,构件被从驱动构件移开,由此释放通过制动棘轮和制动板的机械制动器的制动作用,以控制 驱动轴和弹性偏置构件的自由旋转偏压它以保持自由旋转控制状态。
    • 3. 发明授权
    • Hoist and traction machine with free rotation control
    • 起升牵引机具有自由旋转控制
    • US5351937A
    • 1994-10-04
    • US945403
    • 1992-09-16
    • Yoshio NishiYasuo WadaHaruo KubotaMunenobu HondaYoshio Ueno
    • Yoshio NishiYasuo WadaHaruo KubotaMunenobu HondaYoshio Ueno
    • B66D3/14B66D1/14F16D7/02
    • B66D3/14
    • A hoist and traction machine having a free rotation control device/apparatus for selectively controlling the mechanical brake to be inoperative and for maintaining the inoperative mode of the mechanical brake, so as to control the free rotation of the load sheave. The free rotation control device is designed such that improved free rotation control operation can be provided, and the range of the pulling force for the chain can be enlarged in the controlled free rotation of the load sheave; thus, allowing the chain to be pulled quicker, while requiring little operating skill. Further, free rotation operation is not provided when the load sheave (and thus the driving shaft) is subjected to a large load acting in the direction of hoisting down the load, thus achieving highly improved safety.
    • 一种具有自由旋转控制装置/装置的起重牵引机,用于选择性地控制机械制动器不起作用并保持机械制动器的不工作模式,以便控制载重滑轮的自由旋转。 自由旋转控制装置被设计成可以提供改进的自由旋转控制操作,并且可以在负载滑轮的受控自由旋转中扩大链条的拉力范围; 因此,允许链条被拉得更快,同时需要很少的操作技能。 此外,当负载滑轮(和因此的驱动轴)承受沿着提升负载的方向作用的大负载时,不提供自由旋转操作,从而实现高度的改进的安全性。
    • 5. 发明授权
    • Free rotation control apparatus for a hoist and traction machine
    • 起重和牵引机的自由旋转控制装置
    • US5472171A
    • 1995-12-05
    • US107153
    • 1993-08-17
    • Yoshio NishiHaruo KubotaYasuo WadaYoshio UenoMunenobu Honda
    • Yoshio NishiHaruo KubotaYasuo WadaYoshio UenoMunenobu Honda
    • B66D3/14B66D1/14F16D7/02
    • B66D3/14
    • A hoist and traction machine having a mechanical brake (13), wherein a not-relative (14)-rotatable operating handle (18) is axially movably an interposed between a stopper (17) provided at an axial end of a driving shaft (5) and a driving member (8) threadedably engaged with the driving shaft (5). Between the operating handle (18) and the stopper (17) there is provided an elastic biasing member (19) for biasing the operating handle (18) toward the driving member (8) The operating handle (18) is provided with engaging projections (31), the driving member (8) is provided with free rotation control surfaces (35) in elastic contact with the engaging projections (31) respectively, and the free rotation control surfaces (35) are formed in gradient surfaces for applying resistance against movement of the driving member (8) in the return direction with respect to free rotation operation by the operating handle (18) so as to enable the free rotation control state to be held up to a desired value, whereby an input range of a pulling force of a chain during the free rotation control is expanded without reducing operability of free rotation operation.
    • 一种具有机械制动器(13)的提升和牵引机械,其中不可旋转的(14)可转动的操作手柄(18)可轴向移动,插入在设置在驱动轴(5)的轴向端部处的止动件 )和与所述驱动轴(5)螺纹接合的驱动构件(8)。 在操作手柄(18)和止动器(17)之间设置有用于将操作手柄(18)朝向驱动构件(8)偏置的弹性偏置构件(19)。操作手柄(18)设置有接合突起 如图31所示,驱动构件(8)分别设置有与接合突起(31)弹性接触的自由旋转控制表面(35),并且自由旋转控制表面(35)形成在梯度表面中以施加抵抗运动 相对于操作手柄(18)的自由旋转操作而沿着返回方向驱动驱动构件(8),以使得自由旋转控制状态能够保持到期望值,由此拉动力的输入范围 在自由旋转控制期间链条被扩展而不降低自由旋转操作的可操作性。