摘要:
A method for monitoring a chain pulley block and a chain pulley block apparatus with an electric actuator motor (2) that is connected at the drive side to a transmission (7) across a sliding clutch (14). In order to achieve a safe operation of the chain pulley block, the speed of the transmission (7) is determined via a sensor (18), the determined speed of the transmission (7) is compared in a control device (19) to the operating speed of the actuator motor (2) as determined from rated duty of the actuator motor (2) and if a deviation is found between the speed of the transmission (7) and the operating speed, allowing for tolerances and any transmission ratio of the transmission (7), the actuator motor (2) is switched off.
摘要:
A method for monitoring a chain pulley block and a chain pulley block apparatus with an electric actuator motor (2) that is connected at the drive side to a transmission (7) across a sliding clutch (14). In order to achieve a safe operation of the chain pulley block, the speed of the transmission (7) is determined via a sensor (18), the determined speed of the transmission (7) is compared in a control device (19) to the operating speed of the actuator motor (2) as determined from rated duty of the actuator motor (2) and if a deviation is found between the speed of the transmission (7) and the operating speed, allowing for tolerances and any transmission ratio of the transmission (7), the actuator motor (2) is switched off.
摘要:
The invention concerns a chain pulley block with a chain wheel for positive-locking transmission of the lift force to the chain and a chain guide arranged in the region of the chain wheel, for guiding the chain, especially a round-link chain, on the chain wheel. In order to make it fast, easy and inexpensive to replace wearing parts, such as chain (3), chain wheel (4) and chain guide (2), it is proposed that the chain guide (2), the chain wheel (4) and the chain (3) be assembled into a structural unit (1), which is removably fastened to the chain pulley block (7).
摘要:
A chain block with a drive motor (2) and with a transmission (3), connected to the drive motor (2) at the take-off side, with a transmission output shaft (4), on which a chain wheel (5) is rigidly arranged for pulling a chain. In order to create a compact chain block, the chain wheel (5) faces the drive motor (2) at its take-off end face (19) and the outer circumference of the chain wheel (5) reaches into the imaginary extension of the outer contour of the drive motor (2).
摘要:
A running gear, for example, a single-rail lower-flange running gear for hoisting equipment, includes several wheels running on a rail, at least two of which are arranged one behind the other in the direction of travel of the running gear and adapted to be driven by an electric motor. The driven wheels are joined to at least two shafts, which are oriented coaxially to the axis of rotation of said at least two driven wheels.
摘要:
A chain block with a drive motor (2) with a motor shaft (11), which is connected at the take-off side via a slip clutch (50) to a transmission input shaft (14), having a first gear (18a) and mounted in a housing (1) by pivot bearings (13, 13a), of an at least one-stage transmission (3). In order to create a simple design of chain block with a slip clutch, the transmission input shaft (14) is to be mounted floating in the pivot bearings (13, 13a) in order to change the frictional force of the slip clutch (50).
摘要:
A running gear, for example, a single-rail lower-flange running gear for hoisting equipment, includes several wheels running on a rail, at least two of which are arranged one behind the other in the direction of travel of the running gear and adapted to be driven by an electric motor. The driven wheels are joined to at least two shafts, which are oriented coaxially to the axis of rotation of said at least two driven wheels.
摘要:
A chain hoist having an electric drive motor connected to a gearbox by a slip clutch, wherein the slip clutch comprises an enlarged outer surface area in the form of recesses disposed in the outer surface of the slip clutch for improving heat dissipation with the recesses being implemented circumferentially in the form of a thread pitch in the outer surface of the slip clutch.
摘要:
The invention relates to a lifting device for lifting and lowering loads with a toothed belt which is driven by an output gear and which is positively engaged with the output gear in a wrapping region. In order to provide an improved lifting device, multiple guiding rollers are fixed to the lifting device in the wrapping region such that said rollers maintain the positive engagement between the toothed belt and the output gear.
摘要:
A chain hoist having an electric drive motor connected to a gearbox by a slip clutch, wherein the slip clutch comprises an enlarged outer surface area in the form of recesses disposed in the outer surface of the slip clutch for improving heat dissipation with the recesses being implemented circumferentially in the form of a thread pitch in the outer surface of the slip clutch.