. Railway track and track work . op arm is pivoted a blockwhose face is shaped to fit the rail, and at the bottom of this is a lug to engagewith a hole in the bottom arm. In this way the pressure is taken by the fullheight of the rail. These machines weigh from 100 to 200 lbs. for rails of 50to 100 lbs. per yd. In other rail benders a bar or plunger takes the place ofthe screw, and the power is applied by an eccentric or cam, thrown by a longlever working in a vertical plane at right angles to the rail. Fig. 180 alsoshows a machine of this type; it weighs about 340 lbs. The Samson bender,for u
. Railway track and track work . op arm is pivoted a blockwhose face is shaped to fit the rail, and at the bottom of this is a lug to engagewith a hole in the bottom arm. In this way the pressure is taken by the fullheight of the rail. These machines weigh from 100 to 200 lbs. for rails of 50to 100 lbs. per yd. In other rail benders a bar or plunger takes the place ofthe screw, and the power is applied by an eccentric or cam, thrown by a longlever working in a vertical plane at right angles to the rail. Fig. 180 alsoshows a machine of this type; it weighs about 340 lbs. The Samson bender,for use on rails in the track, is a heavy cast-steel lever, having one end shaped 252 TRACK. to fit the rail head, and the other carrying a capstan-headed screw (or hydrauliccylinder). At the middle is a projecting arm with a lug to engage the oppositeside of the rail head. The roller rail bender and straightener, Fig. 181, is very largely used, espe-cially for heavy rails. It weighs from 400 to 800 lbs. The grooved rollers on ! Hinge
Size: 1403px × 1781px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisheretcetc, booksubject
