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公开(公告)号：EP2692685A1
公开(公告)日：2014-02-05
申请号：EP12765551.2
申请日：2012-03-06
申请人： Kito Corporation
发明人： NISHIKAWA Kazuhiro
IPC分类号： B66D3/20
摘要： Provided is a variable-speed hoisting machine using an electric motor having a pull-rotor brake as a hoisting motor and capable of supplying the electric motor with an electric current that can reliably release the pull-rotor brake at the time of starting an operation even in the case of a variable-speed hoisting machine such as an electric chain block, which has a short acceleration time, without reducing the output frequency at the start of overvoltage application.
In a variable-speed hoisting machine having an electric motor with a pull-rotor brake and an inverter controlling the speed of the electric motor in a soft-start manner, the inverter is set to operate according to a predetermined voltage-frequency (V-F) pattern. At the time of starting the electric motor, the acceleration (output frequency increase rate) in the time interval during which the frequency reaches from f1 to f2 is set smaller than the acceleration (output frequency increase rate) in the time interval during which the frequency reaches from f2 to f3, thereby supplying the electric motor with sufficient electric power to release the pull-rotor brake.摘要翻译： 本发明提供一种变速曳引机，该曳引机使用具有牵引转子制动器的电动机作为曳引电动机，并且能够向电动机供给在开始运转时能够可靠地解除牵引转子制动器的电流 在加速时间短的变速曳引机如电链滑车的情况下，不会降低开始施加过电压时的输出频率。 在具有牵引转子制动器的电动机和以软启动方式控制电动机的速度的变换器的变速曳引机中，变换器被设定为根据预定的电压 - 频率（VF）运行， 模式。 在电动机启动时，频率从f1到f2的时间间隔内的加速度（输出频率增加率）被设定为小于频率在该时间间隔内的加速度（输出频率增加率） 从f2到f3，从而向电动机提供足够的电力以释放拉力转子制动器。
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公开(公告)号：EP2154100B1
公开(公告)日：2013-08-28
申请号：EP09010100.7
申请日：2003-01-14
申请人： Kito Corporation
IPC分类号： B66D3/14
CPC分类号： B66D3/14 , Y10T74/20612
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公开(公告)号：EP2551236A1
公开(公告)日：2013-01-30
申请号：EP11759471.3
申请日：2011-03-16
申请人： Kito Corporation
发明人： ISHIKAWA, Kazumitsu
CPC分类号： B66D3/16
摘要： Disclosed is a manual chain block that achieves a more compact overall device and also does not lose the strength of the device itself by means of the position of a reduction gear of a speed reduction mechanism section being able to be positioned closer to the center regardless of the bearing of a load sheave. In the manual chain block, a load sheave (12) is supported rotatably by a first and second primary frame (11a, 11b) by means of bearings (13a, 13b) with axle sections (12a, 12b) therebetween. A supplemental plate (30)-which forms, in the direction of thrust: a bearing hole (33) of an axle section (16br) of a first reduction gear (16b); and a drawn section (31)-is, in a manner so as to supplement the aforementioned first primary frame (11a), disposed at the periphery of the bearing (13a) that supports the axle section (12a) of the load sheave (12) at the first primary frame (11a).
摘要翻译： 本发明公开了一种手动链滑车，其通过减速机构部分的减速齿轮的位置能够被定位成更接近中心而不会损害设备本身的强度，而不管 负载滑轮的轴承。 在手动链滑车中，负载滑轮（12）通过第一和第二主框架（11a，11b）通过其间具有轴部分（12a，12b）的轴承（13a，13b）可旋转地支撑。 在推力方向上形成第一减速齿轮（16b）的轴部（16br）的轴承孔（33）的辅助板（30）; （12a）的轴承部（12a）的周围配置的上述第1主框架（11a），以及拉伸部（31） ）在第一主框架（11a）处。
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公开(公告)号：EP2484625A1
公开(公告)日：2012-08-08
申请号：EP10820746.5
申请日：2010-09-29
申请人： Kito Corporation
CPC分类号： B66D5/30 , B66D1/14 , B66D3/18 , H02P3/04 , H02P2207/076
摘要： A control device for a hoist, which enables easy judgment of the lifetime of a brake of a hoist is provided. The time setting unit sets the time from startup of a double winding induction motor to disengagement of the brake and the time from start of engagement of the brake to stopping of the double winding induction motor in accordance with the time from the startup of the double winding induction motor to generation of torque. The time changing unit detects if power-supply frequency of a power supply is 50 Hz or 60 Hz and can change at least one of the time from the startup of the double winding induction motor to the disengagement of the brake and the time from stopping of driving of the brake to stopping of double winding induction motor in accordance with the power-supply frequency of the power supply.
摘要翻译： 提供一种用于提升机的控制装置，其能够容易地判断起重机的制动器的使用寿命。 时间设定单元根据双绕组起动时间设定从起动双绕组感应电动机到制动器分离的时间以及从制动器接合开始到双绕组感应电动机停止的时间 感应电动机产生转矩。 时间改变单元检测电源的电源频率是否为50Hz或60Hz，并且可以改变从双绕组感应电动机启动到制动器分离的时间中的至少一个以及停止时间 根据电源的电源频率驱动制动器停止双绕组感应电动机。
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公开(公告)号：EP1213256B1
公开(公告)日：2006-06-07
申请号：EP01915741.1
申请日：2001-03-23
申请人： Kito Corporation
IPC分类号： B66D3/14
CPC分类号： B66D3/14
摘要： A hoisting and towing device comprising a pinion gear (4), speed reduction gears (5a) meshed with the pinion gear (4) and pivotally supported on a frame (1), and a load sheave interlocked with speed reduction gears (5b) and pivotally supported on the frame, characterized in that speed reduction gear bearings (8) are installed continuously with a load sheave bearing (7) installed at the center of the frame (1), wherein the shaft-to-shaft distance of the speed reduction gears is reduced and a load gear is formed integrally with the load sheave, whereby the entire device can be reduced in size and weight, and the number of parts and the number of man-hours for machining can be reduced.
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公开(公告)号：EP3150541B1
公开(公告)日：2019-07-03
申请号：EP15799477.3
申请日：2015-05-22
申请人： Kito Corporation
发明人： KOSUGA, Kosuke
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公开(公告)号：EP3153455A1
公开(公告)日：2017-04-12
申请号：EP15802711.0
申请日：2015-05-14
申请人： Kito Corporation
发明人： MITSUI, Hiroki
摘要： Provided is a rope hoist that has a neat exterior and can be made in a small size. The rope hoist (1) has a rope drum (10) on which a wire rope can be wound, a drum motor (11) for rotating the rope drum (10), a reduction gear mechanism (12) for reducing the rotation of the drum motor (11) and transmitting the rotation to the rope drum (10), and a control unit (4) for controlling driving of the drum motor (11). The reduction gear mechanism (12) is disposed on the inside of a wall section (125) that is provided extending from a motor cover (20) of a body main unit (13) which is an end frame member supporting the rope drum (10); a lead wire (143) that extends from the drum motor (11) is connected via a relay (22) to a cable (147) that extends from the control unit (4); and the relay (22) is disposed on the outside of the wall section (125) enclosing the reduction gear mechanism (12) and is accommodated inside a recess (21) provided on the motor cover (20).
摘要翻译： 提供一种外部整洁并且可以小型化的绳索式葫芦。 本发明提供一种绳索卷扬机（1），具有：能够卷绕钢索的卷绳筒（10）;使卷绳筒（10）旋转的卷筒马达（11）;减速齿轮机构 并且将该旋转传递到绳鼓（10）;以及控制单元（4），用于控制该鼓电动机（11）的驱动。 减速齿轮机构12配置在从作为支承绳鼓10的端框构件的主体主体13的马达罩20延伸设置的壁部125的内侧， ）; 从鼓马达（11）延伸的引线（143）经由继电器（22）连接到从控制单元（4）延伸的电缆（147）; 继电器22配置在包围减速齿轮机构12的壁部125的外侧，并容纳在设置于电动机罩20的凹部21内。
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公开(公告)号：EP2824060B1
公开(公告)日：2016-09-14
申请号：EP13757077.6
申请日：2013-02-21
申请人： Kito Corporation
发明人： KOYAMA Koji , MUKAWA Nobuyoshi
摘要： A hand operated pulling and lifting hoist includes: a change gear that engages with a switching pawl fitting provided for an operation lever to convert a manual force applied to the operation lever into a hoist driving force; a fixed support ring disposed for the rotatable mounting of the operation lever about a driving member that is set about the drive shaft to transmit the hoist driving force to the drive shaft; a pivotable support ring formed on the operation lever and rotatably fitted to an internal circumference of the fixed support ring; and a driving-member contact prevention part on the change gear to prevent contact between the pivotable support ring and the driving member.
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公开(公告)号：EP2551236B1
公开(公告)日：2015-05-13
申请号：EP11759471.3
申请日：2011-03-16
申请人： Kito Corporation
发明人： ISHIKAWA, Kazumitsu
CPC分类号： B66D3/16
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