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1. 发明公开

EP3173368A4 ELECTRIC WINCH DEVICE 失效转让
公开(公告)号：EP3173368A4
公开(公告)日：2017-11-08
申请号：EP15824410
申请日：2015-07-10
申请人： KOBELCO CONSTR MACH CO LTD , KOBELCO CRANES CO LTD
发明人： KAWAI HIROAKI , HIEKATA TAKASHI , SASAI SHINTARO , HORI NAOTO , YAMASHITA TOSHIRO , SHIMOMURA KOICHI
IPC分类号： B66D5/30 , B60T8/17 , B66C13/23 , B66C13/28 , B66D1/12 , B66D1/40 , B66D1/42 , B66D1/46 , B66D1/48 , H02P3/14
CPC分类号： B66D5/18 , B60T8/17 , B66C13/28 , B66C13/46 , B66D1/485 , B66D5/30 , B66D2700/0141 , B66D2700/03
摘要： The electric winch device includes a required braking force estimation section (44) which estimates a required braking force which is a braking force required to stop a free-falling object at a position at an allowable stopping height set by a setting unit; a braking force determination section (50) which determines, out of an operational braking force estimated by an operational braking force estimation section, each of a first braking force to be borne by a braking device and a second braking force to be borne by a braking force which is generated in an electric motor due to consumption of regenerative power; and a control section (52) which causes the braking device to apply the first braking force, which has been determined by the braking force determination section, to a winch drum. The braking force determination section (50) determines the first braking force to be a braking force equal to or greater than the required braking force when, at a time of stopping of the free-falling object, the operational braking force estimated by the operational braking force estimation section (44) is equal to or greater than the required braking force.

2. 发明公开

EP3228578A4 ELECTRIC WINCH DEVICE AND MOBILE CRANE 有权
公开(公告)号：EP3228578A4
公开(公告)日：2017-12-06
申请号：EP15866011
申请日：2015-11-27
申请人： KK KOBE SEIKO SHO (KOBE STEEL LTD ) , KOBELCO CONSTR MACH CO LTD
发明人： HIEKATA TAKASHI , KAWAI HIROAKI , INOUE KOJI , SASAI SHINTARO , OGAWA TETSUYA , YAMASHITA TOSHIRO
IPC分类号： B66D1/12 , B66D1/16 , F16H1/20
CPC分类号： B66D1/12 , B66C23/36 , B66C2700/0371 , B66D1/16 , F16H1/20
摘要： An electric winch device is to be mounted on a mobile crane including an operative part for hoisting work to cause the operative part to perform an operation for the hoisting work by winding up or letting out a rope connected to the operative part, the electric winch device including: a winch drum having an axis, provided on the mobile crane to be rotatable about the axis and wound with the rope therearound; a plurality of motors located on one side of the winch drum in an axial direction in which the axis of the winch drum extends, and arranged side by side in a direction perpendicular to the axial direction; a gear mechanism which combines torques output from the plurality of motors; and a transmitting part which transmits a resultant of torques combined by the gear mechanism to the winch drum to rotate the winch drum to thereby cause the winch drum to wind up or let out the rope.

3. 发明公开

EP3135624A4 ELECTRIC WINCH DEVICE 有权
标题翻译： ELEKTRISCHE WINDE
公开(公告)号：EP3135624A4
公开(公告)日：2017-04-19
申请号：EP15783912
申请日：2015-04-07
申请人： KK KOBE SEIKO SHO (KOBE STEEL LTD ) , KOBELCO CONSTR MACH CO LTD
发明人： HIEKATA TAKASHI , KAWAI HIROAKI , YAMASHITA TOSHIRO , SASAI SHINTARO , HORI NAOTO , SHIMOMURA KOICHI
IPC分类号： B66C13/12 , B66C13/28 , B66D1/46
CPC分类号： B66C13/28 , B66C13/12 , B66D1/12 , B66D1/24 , B66D1/46 , B66D1/485 , B66D5/02
摘要： Provided is an electric winch device including an electric motor (14) that rotates a winch drum (12) in a hoisting direction during hoist of a target object, and generates regenerative electric power when a rotation of the winch drum (12) in a lowering direction during a freefall of the target object is transmitted to the electric motor, a transmission device (17) that transmits the rotation between the electric motor (14) and the winch drum (12), the transmission device having a variable transmission rate that is a rate of transmission of the rotation of the winch drum in the lowering direction during the freefall to the electric motor, a power calculating section (42) that calculates power of the target object by the freefall, and a control section (46) that controls an operation of the transmission device for changing the transmission rate. When the power calculated by the power calculating section (42) exceeds reference electric power set according to allowable electric power of the electric motor (14), the control section (46) causes the transmission device (17) to change the transmission rate of the rotation from the winch drum to the electric motor to a transmission rate at which the regenerative electric power generated by the electric motor is equal to or smaller than the reference electric power.
摘要翻译：本发明提供一种电动绞盘装置，其包括在目标物体的起重机中使绞盘鼓（12）沿起重方向旋转的电动机（14），并且当绞盘鼓（12）的旋转处于降低状态时产生再生电力在目标物体的自由落下时的方向被传送到电动机，传递装置（17），其在电动机（14）和绞盘鼓（12）之间传递旋转，传动装置具有可变的传播速率，即在自由落体期间，向下降方向的绞盘鼓的旋转传递速率;计算自由落体的目标物体的功率的功率计算部（42）;以及控制部用于改变传输速率的传输设备的操作。当由功率计算部（42）计算的功率超过根据电动机（14）的容许电力设定的基准电力时，控制部（46）使发送装置（17）从绞盘鼓向电动机的转速为电动机产生的再生电力等于或小于基准电力的传递速度。

4. 发明公开

EP3072845A4 ELECTRIC WINCH DEVICE 有权
标题翻译： ELEKTRISCHE WINDE
公开(公告)号：EP3072845A4
公开(公告)日：2017-07-19
申请号：EP14864287
申请日：2014-11-06
申请人： KK KOBE SEIKO SHO (KOBE STEEL LTD ) , KOBELCO CONSTR MACH CO LTD
发明人： HIEKATA TAKASHI , KAWAI HIROAKI , YAMASHITA TOSHIRO , SASAI SHINTARO , HORI NAOTO , SHIMOMURA KOICHI
IPC分类号： B66D1/46 , B66D1/12 , B66D5/30
CPC分类号： B66D1/46 , B66D1/12 , B66D5/30
摘要： Provided is an electric winch device including: an electric motor; a winch drum; a brake; an operation lever; an ammeter; and a controller. The controller includes: a first torque derivation unit which derives a value of a first torque applied to the winch drum due to a load of an object; a second torque derivation unit which derives a value of a second torque generated in the winch drum in the direction of rotation for hoisting the object by a drive torque of the electric motor, on the basis of a current value measured by the ammeter; and a brake control unit which determines a timing for releasing a braking action on the winch drum after the operation lever has been operated to a hoisting side or a lowering side, on the basis of a differential between the second torque value derived by the second torque derivation unit and the first torque value derived by the first torque derivation unit, and which causes the brake to release the braking action on the winch drum by transmitting, to the brake, a control signal instructing release of the braking action on the winch drum at the determined timing.
摘要翻译：提供了一种电动绞盘装置，包括：电动机; 绞车鼓; 刹车; 操作杆; 电流表; 和一个控制器。该控制器包括：第一转矩导出单元，其导出由于物体的负载而施加到绞盘鼓上的第一转矩的值; 第二转矩导出单元，其基于由电流计测量的电流值导出在用于通过电动机的驱动转矩提升对象的旋转方向上在绞车滚筒中产生的第二转矩的值; 以及制动控制单元，该制动控制单元基于由第二转矩获得的第二转矩值与第二转矩之间的差，确定用于在操作杆已经被操作到提升侧或下降侧之后解除绞盘鼓上的制动作用的定时以及通过第一转矩导出单元导出的第一转矩值，并且通过向制动器传递控制信号，该控制信号指示释放在绞盘鼓上的制动作用，该第一转矩值通过第一转矩导出单元导出，并且使制动器释放绞盘鼓上的制动作用确定的时间。

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