Control system for positioning extensible pipeline system
AssigneeContinental Oil Company
InventorWilliam T. Sweeney
Life of this patent
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Abstract
A control system for use in controlling the positioning of a continuous hydraulic pipeline system of extensible type. The system includes automatic control apparatus responsive to pipeline or hydraulic transport position sensing apparatus which functions to maintain the pipeline apparatus in proper position automatically during operation. The control system is particulaly adapted for use in controlling position and tension in hose hauler vehicles for coal slurry transport in automatic mining operations, and serves to continually sense tension in the slack loop of the hose hauler vehicle to maintain the tension within predetermined limits thereby assuring proper positioning of the entire hose hauler vehicle and machinery train.
Claims9
A control system for automatically maintaining proper alignment and tension in a flexible pipeline of the type which is mobilely supported and of relative large diameter for carrying slurried particulate matter, wherein a 180.degree. loop is formed for movable adjustment of the effective length of the pipeline from source to a remote location, comprising;
- a mobile turn vehicle receiving said pipeline loop movably thereover;
- means for sensing the tension variation between the mobile turn vehicle and a selected stationary point and providing an electrical output indicative thereof;
- and
- control means responsive to said electrical output for effecting movement of said turn vehicle until the pipeline tension is adjusted to within predetermined limits.
A control system for automatic mining apparatus of the type which includes a mining machine at the mine face in coaction with slurry injection apparatus and a mobile extensible pipeline slurry conduit extending to a remote location, comprising:
- a mobile 180.degree. turn carrier having said conduit movably retained therearound;
- reversible drive means energizable to impart motive force to said mobile turn carrier;
- sensing means generating first and second outputs indicative of tension of said conduit in excess of predetermined upper and lower limits, respectively;
- and
- means receiving said first and second outputs that is effective to energize said reversible drive means for selected directional drive of said mobile turn carrier.
Dependencies are inferred from the claim text.