The invention provides a counterweight block pressing and fastening device which comprises an upper pressing plate, a first adjustment assembly, an adjustment unit and a lower pressing plate, wherein the upper pressing plate, the first adjustment assembly, the adjustment unit and the lower pressing plat are connected in sequence; the first adjustment assembly comprises a right-hand and left-hand nut; the right-hand and left-hand nut is connected with a first screw and is splined through a first nut; the other end of the right-hand and left-hand nut is connected with a second screw and is splined through a second nut; the first screw is perpendicularly connected with the upper pressing plate; the adjustment unit comprises a plurality of second adjustment assemblies which are arranged in the same direction and connected with each other in sequence; each of the second adjustment assemblies comprises a long nut; one end of each long nut is connected with a third screw and is splined through a third nut, and a fourth screw is arranged at the other end of the long nut. With adoption of the technical scheme, the right-hand and left-hand nut and the long nut are adopted for adjustment to effectively fasten a plurality of layers of overlapped counterweight blocks, so that the counterweight block pressing and fastening device is high in practicality, simple in overall structural design and manufacture, and convenient and fast in mounting and repairing operation, avoids non-uniform stress, prevents the counterweight blocks from playing, and ensures the operating quality of an elevator.
Counterweight block pressing and fastening device
2016-02-24
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |
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