AT THE HEART OF THE ROAD TRANSPORT INDUSTRY.

Call our Sales Team on 0208 912 2120

Pithead Gear on Road or Rail

27th December 1957
Page 36
Page 36, 27th December 1957 — Pithead Gear on Road or Rail
Close
Noticed an error?
If you've noticed an error in this article please click here to report it so we can fix it.

Which of the following most accurately describes the problem?

AN interesting feature of trailers used by the National Coal Board for use as emergency pithead winding gear is the fitting of standard-gauge railway wheels inside each of the six road wheels. This enables the vehicles 40 be manceuvred on colliery sidings as well as on ordinary surfaces.

Walker Bros.. (Wigan), Ltd., developed

the emergency equipment during the war to supplement normal pithead gear which might have become useless after attack, but it is now recognized as an essential rescue aid. Trailers operate in conjunction with either Leyland Hippo exporttype tractors or Scammell Mountaineer four-wheel-drive prime movers.

Upon the tractors is mounted a large

generator which may be dismounted and operated on the ground or in situ. The trailers carry the winding engine and control cab. Nine of these units are being made by Walker in collaboration with J. Wood and Sons, Ltd., and the British Thomson-Houston Co., Ltd_ Seven will be capable of raising a suspended load of 5 tons from 3,000 ft. at a mean rope speed of 12 ft. per sec., whilst the other two will raise 3 tons from 1.800 ft. at 10 ft. per sec. •

Tags

Organisations: National Coal Board

comments powered by Disqus