A heavy forge hammer having a pivoted lever by which it is tilted up and then allowed to drop.

锻造用的重锤，通过带枢轴的杠杆将它倾斜抬起，然后落下。

youdao

Drop hammer: a machine consisting of an anvil or base aligned with a hammer that is raised and then dropped on molten metal used to forge or stamp the metal resting on the anvil.

落锤：由钻或底座及与之对齐的锤组成的机器，锤被举起后落在融化金属上用于锻造或冲压放在砧板上的金属。

youdao

Hammer was sleeping off a drunk when they reached the forge, just as Kem had prophesied, but Nail had no objection to the two dwarfs clambering through the wagons.

当他们来到锻造间时还摩尔就像海姆预测的那样正呼呼大睡以醒酒，但是内尔对两个侏儒吃力的爬上货车显然没有异议。

youdao

Working at the forge since the age of seven, he feels the hammer is the source of his life.

BBC: Working Lives: Turkey

Finch Foundry is a traditional 19th Century working forge powered by three water wheels driving a huge tilt hammer and grindstone and has been owned by the National Trust since 1994.

BBC: Devon - Get fired up at foundry day