| 摘要 |
<p>The invention relates to an equalizer to lift a heavy load, e.g. a railway switch or part of it, with a hoist. Is has means to displace the engagement point between equalizer and hoisting member longitudinally of the equalizer, preferably continuously. Said displacement means are adapted such that said displacement is possible while the load suspends from the equaliser or is connected therewith. The displacement means have a linear driving element. The displacement means comprise a longitudinally extending guide track and a there along movable member
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