Water control gate anchoring methods
OwnerHenry K. Obermeyerinventor
Life of this patent
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Abstract
The present invention relates to inflatable bladder actuated water control gates for control of open channels such as rivers and canals and for control of dam spillways without the need for intermediate piers. The air bladder and hinge flap wedge clamping system includes hinged engagement of the upstream edge of the clamps to the foundation so as to prevent the application of bending and shear loads to the anchor bolts. The resulting configuration facilitates the use of high strength alloy steel anchor bolts in a corrosion protected environment and also prevents tensile loading of the concrete foundation and associated cracking of the concrete foundation.
Claims6
A system for clamping a water control gate to a spillway by use of the following elements to pivotally clamp a water control gate to a spillway:
- at least one hinge flap,
- an air bladder,
- at least one clamp casting to hold said at least one hinge flap and said air bladder in place,
- wherein said clamp casting is in turn held in place vertically by at least one anchor bolt and nut assembly,
- wherein said anchor bolt and nut assembly comprises a nut, a spherical washer, a lower nut, a lock nut, and an anchor plate,
- an upstream and downstream embed;
- wherein said clamp casting is held in place horizontally by said upstream embed, and
- an anchor plate,
- a sealant to occlude water from the said anchor bolt and nut assembly,
- wherein said sealant comprises a clamp casting anchor bolt hole cover;
- a compressible rubber seal with an upper end and a lower end;
- an anchor bolt upper spacer;
- and a water and oxygen displacing substance;
- and
- an air connection.
Dependencies are inferred from the claim text.