NZ2563 : The Swing Bridge - engine room (2)

taken 1 month ago, near to Gateshead, Great Britain

The Swing Bridge - engine room (2)
The Swing Bridge - engine room (2)
The photo shows two of the three hydraulic engines on the south side of the engine room (the northern set of three is shown in the background of NZ2563 : The Swing Bridge - engine room ), and (above the red hand-wheel on the left) part of the rack on the turning drum that is driven by the final pinion on the gear train. It's also possible to see two of the 42 rollers on which the drum turns - a closer view of them is shown in NZ2563 : The Swing Bridge - engine room (detail) (5). Somewhat amazingly, there are no brakes! So if the controller overshoots, they have to continue turning for another 180 degrees. After a swing, when the bridge is re-aligned with the road on either side, hydraulic wedges on the bridge are moved into holes in the bankside to lock the bridge in place.
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NZ2563, 1653 images   (more nearby )
Photographer
  (find more nearby)
Date Taken
Saturday, 21 September, 2019   (more nearby)
Submitted
Sunday, 29 September, 2019
Geographical Context
Historic sites and artefacts  Rivers, Streams, Drainage  City, Town centre 
Primary Subject of Photo
Bridge 
Subject Location
OSGB36: geotagged! NZ 2522 6371 [10m precision]
WGS84: 54:58.0429N 1:36.4563W
Camera Location
OSGB36: geotagged! NZ 2522 6371
View Direction
Southeast (about 135 degrees)
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Image Type (about): close look 
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