Support barge method and apparatus
First Claim
1. A device for use in the repair of dam walls, said device comprising a barge, means for mooring said barge with one edge lying adjacent a dam wall, a platform carried by said barge, said platform having a portion thereof extending but from said barge past said one edge, forward and rearward platform lifting means positioned on said barge near to and back from said edge respectively, said platform lifting means being arranged to lift said platform off from the upper surface of said barge and above the dam wall prior to mooring and to lower the platform down onto said dam wall after mooring, means for engaging and disengaging said forward platform lifting means with the platform after the platform is so lowered and means pivotally interconnecting said platform to said rear lifting means to permit pivoting of said platform with respect to said barge, whereby after said platform is lowered onto the dam wall, the detachable engaging and disengaging means is disengaged so that the weight of the platform is carried by the dam wall and the rearward lifting means and wherein minor fluctuations in water level are compensated for by the pivotal connection.
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Accused Products
Abstract
A machinery supporting arrangement suitable for use in maintenance and repair of dam walls comprising a barge with a liftable platform for carrying the machinery. The platform extends out over the top of a dam wall when the barge is moored alongside it so that the machinery becomes supported in part by the dam wall and in part by the barge.
18 Citations
4 Claims
- 1. A device for use in the repair of dam walls, said device comprising a barge, means for mooring said barge with one edge lying adjacent a dam wall, a platform carried by said barge, said platform having a portion thereof extending but from said barge past said one edge, forward and rearward platform lifting means positioned on said barge near to and back from said edge respectively, said platform lifting means being arranged to lift said platform off from the upper surface of said barge and above the dam wall prior to mooring and to lower the platform down onto said dam wall after mooring, means for engaging and disengaging said forward platform lifting means with the platform after the platform is so lowered and means pivotally interconnecting said platform to said rear lifting means to permit pivoting of said platform with respect to said barge, whereby after said platform is lowered onto the dam wall, the detachable engaging and disengaging means is disengaged so that the weight of the platform is carried by the dam wall and the rearward lifting means and wherein minor fluctuations in water level are compensated for by the pivotal connection.
Specification