-
公开(公告)号：US20240308816A1
公开(公告)日：2024-09-19
申请号：US18120442
申请日：2023-03-13
Applicant: YIDE PAN
Inventor： YIDE PAN
Abstract: An electric crane contains: a body and an electrical box. The body includes a drive device, a roller, a lift assembly, and a hanging assembly. The electrical box is electrically connected with an operation lever configured to be manually controlled by a user, and the operation lever has multiple switches. The drive device is a permanent magnet servo motor and has an encoder. The electrical box includes a control unit electrically connected with the encoder to feed back a detected position of a rotator of the permanent magnet servo motor and to compare whether an operating instruction of the permanent magnet servo motor matches with a rotating speed of the permanent magnet servo motor. The operation lever has a rotary hand wheel. The operation lever has a pulse signal generator. The pulse signal generator is electrically connected with the electrical box.
-
公开(公告)号：US20110130863A1
公开(公告)日：2011-06-02
申请号：US12674785
申请日：2008-08-21
Applicant: Mikko Porma , Jarno Hoffrén
Inventor： Mikko Porma , Jarno Hoffrén
CPC classification number: B66C13/23 , B66D1/12 , B66D1/46 , B66D1/7405
Abstract: A method for controlling a crane includes controlling a rope part connected to a hook of the crane with a friction-operated driving wheel, extra rope being coiled into a plurality of layers onto a storage reel. In the method, two machineries are used, of which the first is intended for the driving wheel and the other for the storage reel, one machinery being controlled with a speed instruction and the other machinery with a torque instruction.
Abstract translation: 一种用于控制起重机的方法包括：通过摩擦驱动的驱动轮来控制与起重机的钩连接的绳索部分，将额外的绳索卷绕成多个层到存储卷轴上。 在该方法中，使用两个机器，其中第一个用于驱动轮，另一个用于存储卷轴，一个机械通过速度指令控制，另一个机械由扭矩指令控制。
-
公开(公告)号：US07624883B2
公开(公告)日：2009-12-01
申请号：US12291973
申请日：2008-11-13
Applicant: Dianren Zhang
Inventor： Dianren Zhang
IPC: B66C11/00
Abstract: The present invention utilizes a hoist drum with a three different drum sections, two cylindrical and one tapered, upon which the different ends of a lifting cable simultaneously spool on and off of as a function of counterclockwise and clockwise cable spooling. This combination reduces the amount of shaft torque required to raise or lower a load while increasing the number of hoist drum rotations required to raise or lower that load. These two features are incorporated into the operation of a main crane cable length adjusting device since they offer precise and rapid adjustment capabilities to be made with smaller sized electric motors and clutches.
Abstract translation: 本发明利用具有三个不同鼓部分，两个圆柱形和一个锥形的提升滚筒，起升电缆的不同端部同时作为逆时针和顺时针电缆卷绕的功能卷绕和断开。 这种组合减少了提高或降低负载所需的轴扭矩的量，同时增加了提升或降低该负载所需的提升转鼓旋转次数。 这两个特征被并入主起重机电缆长度调节装置的操作中，因为它们提供用较小尺寸的电动马达和离合器制造的精确和快速的调节能力。
-
公开(公告)号：US06631818B1
公开(公告)日：2003-10-14
申请号：US09700238
申请日：2002-04-18
Applicant: Katsuto Ito
Inventor： Katsuto Ito
IPC: C25C706
Abstract: An overhead traveling crane system, wherein at least two locking members (25a) are mounted vertically slidably on a lifting device (15), a stopper (25b) and a contact member are fixed to the upper and lower end parts of each locking member (25a), respectively. A non-contact sensing device is fixed to the underside of the lifting device (15), and a sensor element (27) is fixed to the locking members (25a). The lowering of the locking members (25a) is stopped when the contact means is brought into contact with a reference position, and the lowering of the lifting device (15) is stopped when the lifting device (15) is lowered further so as to move the sensing device on the lifting device (15) side closely to the sensor element on the locking members (25a). Even though a general-purpose overhead traveling crane is used, the vertical positioning accuracy of the lifting device installed on the overhead traveling crane is increased.
Abstract translation: 一种架空式起重机系统，其中至少两个锁定构件（
25 a ）可垂直地滑动地安装在提升装置上（ 15 ），一个停止（ 25 b ）， 每个锁定构件的上端部和下端部分（ 25 a ）。 非接触式感测装置固定在提升装置的下侧（ 15 ）和传感器元件（ 27 ）固定到锁定构件（ 25 a ）。 当接触装置与参考位置接触时，停止锁定构件（ 25 a ）的降低， 当提升装置（ 15 ）进一步降低以提升装置（ 15 ）时， 提升装置上的感测装置（ 15 ）侧紧靠锁定构件上的传感器元件（ 25 a ）。 即使采用通用型高架桥式起重机，搭载在起落架上的提升装置的垂直定位精度也提高。 -
公开(公告)号：US20020033481A1
公开(公告)日：2002-03-21
申请号：US09954079
申请日：2001-09-18
Inventor： Matti Kemppainen
IPC: B66D001/50
Abstract: The invention relates to a method for controlling the operation of a crane brake, the crane comprising an electric motor (2) controlled by means of a frequency converter (10) for hoisting and lowering movements of the crane; an electromechanical brake (9) having an impact on said movements, the brake being opened when the motor is started for a hoisting or lowering operation; a load sensor (8) weighing a load (7) to be handled; and an overload protection connected to the sensor, the frequency converter (10) being used for calculating the torque of the motor (2), which information is compared with the load information, or weight, obtained from the load sensor (8).
Abstract translation: 本发明涉及一种用于控制起重机制动器的操作的方法，所述起重机包括通过变频器（10）控制的电动机（2），用于提升和降低起重机的运动; 具有对所述运动的冲击的机电式制动器（9），所述制动器在所述电动机起动时用于提升或降低操作而打开; 负载传感器（8），称重要处理的负载（7）; 和连接到所述传感器的过载保护，所述变频器（10）用于计算所述电动机（2）的扭矩，该信息与从所述负载传感器（8）获得的负载信息或重量进行比较。
-
Patent Agency Ranking
公开(公告)号：US2980264A
公开(公告)日：1961-04-18
申请号：US66523857
申请日：1957-06-12
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： BURT DONALD A , COOK JOHN W
IPC: B66C13/23
CPC classification number: B66C13/23
-
公开(公告)号：US20240087934A1
公开(公告)日：2024-03-14
申请号：US18518461
申请日：2023-11-23
Inventor： YONG-JYU LIN , FU-HSIEN LI , CHEN-WEI LU , CHI-FENG TUNG , HSIANG YIN SHEN
CPC classification number: H01L21/67733 , B65G1/0457 , B66C13/23 , B66C13/48 , B66C19/00 , B66F9/183 , H01L21/67259 , H01L21/67724 , H01L21/6773 , H01L21/67736 , B61B3/00 , B65G2201/0297
Abstract: A method for operating a conveying system is provided. An overhead hoist transport (OHT) vehicle is provided, wherein the OHT vehicle includes a gripping member configured to grip and hold a carrier, and a receiver configured to receive a signal. The signal is transmitted to the receiver of the OHT vehicle. The OHT vehicle is moved toward the carrier, and the carrier is gripped by the gripping member of the OHT vehicle. A lifting force is determined based on a weight of a carrier, a number of workpieces in the carrier, or a vertical distance between the OHT vehicle and the carrier, and the lifting force is applied to the carrier.
-
公开(公告)号：US06655662B2
公开(公告)日：2003-12-02
申请号：US09954079
申请日：2001-09-18
Applicant: Matti Kemppainen
Inventor： Matti Kemppainen
IPC: B66D158
Abstract: The invention relates to a method for controlling the operation of a crane brake, the crane comprising an electric motor (2) controlled by means of a frequency converter (10) for hoisting and lowering movements of the crane; an electromechanical brake (9) having an impact on said movements, the brake being opened when the motor is started for a hoisting or lowering operation; a load sensor (8) weighing a load (7) to be handled; and an overload protection connected to the sensor, the frequency converter (10) being used for calculating the torque of the motor (2), which information is compared with the load information, or weight, obtained from the load sensor (8).
-
公开(公告)号：US5692733A
公开(公告)日：1997-12-02
申请号：US596261
申请日：1996-02-08
Applicant: Kazuhiko Hiramatsu
Inventor： Kazuhiko Hiramatsu
Abstract: A method of stopping of a winding machine that hoists and lowers an object prevents abrasion of the electromagnetic brake and the descent of load. The winding machine, which winches a load up or down in response to a torque command T.sub.REF to the electric motor M produced by the speed controller ASR in accordance with the a speed command N.sub.REF generated by the speed command generation circuit NRC, operates at the stopping of the machine to cease the motor control if the motor speed N.sub.FB is zero after the torque command to the motor M is brought to zero for a predetermined length of time following the issuance of a brake command to the electromagnetic brake which is coupled directly to the motor M.
Abstract translation: PCT No.PCT / JP95 / 01238 Sec。 371日期1996年2月8日 102（e）日期1996年2月8日PCT归档1995年6月21日PCT公布。 公开号WO95 / 35254 日期：1995年12月28日一种停止卷绕机的方法，该卷绕机提升和降低物体防止电磁制动器磨损和负载下降。 根据由速度控制器ASR根据由速度指令生成电路NRC生成的速度指令NREF而产生的对于电动机M的扭矩指令TREF的卷绕机的起动或停止的卷绕机在停止时动作 的机器停止电动机控制，如果在向直接连接到电动机M的电磁制动器发出制动指令之后的预定时间长度之后将电动机M的转矩指令设定为零，则电动机转速NFB为零 马达M.
-
公开(公告)号：US3790814A
公开(公告)日：1974-02-05
申请号：US3790814D
申请日：1972-06-06
Applicant: PFAFF & KENDALL
CPC classification number: B66C13/23 , Y10T307/786
Abstract: An electrical lowering apparatus, for lowering and elevating a mounted fixture, which is provided with braking means which secure the brake by coupling the brake directly to the moving means to prevent brake bypass in the event of mechanical or electrical failure and which engage the brake for the initial distance of lowering and for the final distance of elevating by correlating the tripping of the brake limit switch to movement of the moving means to cushion the separation and connection operations, which is further provided with electrical operating means which control the driving means by independently generating the control signal for the power circuit to prevent extraneous electrical interference and which control the braking means by separately operating the brake solenoid and the motor in the power circuit to prevent motor-generated current interference, and which is further provided with overriding means which bypass the driving means by enabling coupling of a shaped portion of the moving means to an external drive to provide continued operation of the apparatus in the event of electrical or mechanical failure.
Abstract translation: 一种用于降低和升高安装的固定装置的电气降低装置，其具有制动装置，所述制动装置通过将制动器直接连接到移动装置来固定制动器，以防止在机械或电气故障的情况下的制动旁路并且将制动器接合 通过将制动限位开关的跳闸与移动装置的移动相关联以缓和分离和连接操作，降低的最初距离和最后的升高距离，其进一步设置有电动操作装置，其通过独立地控制驱动装置 产生电源电路的控制信号以防止外部电气干扰，并且通过在电源电路中单独操作制动螺线管和电动机来控制制动装置，以防止电动机产生的电流干扰，并且进一步设置有旁路装置 该驱动装置通过使成形部分o能够联接 f移动装置到外部驱动器，以在电或机械故障的情况下提供装置的持续操作。
-
-
-
-
-
-
-
-
-
Search Results
45
records
(took 0.017 seconds)
