Covers



COFFERDAMS COVERS

Bulkheadgatesgenerallyor in respect of thecoveroranyotherequipmentused in therepair. Thedesign ofbulkheadgates is same as theoveralldesign of thecofferdoorslidinglids. Suchcaps, except in somerarecaseswhere it is thecurvedslotsorneed of closingagainsttheflow, anywheel(manualwheelharicive reel free. According to the sealableheight in thedesign, bulkheadgatesmayconsist of multipleparts.


Usedduringoperation of thesuctionpipeoftheturbinedownstream.

SLIDE COVERS

Slidingdoorsarethemostsimple in flathousingcovers. structurebasicallyconsists of a movableflaplocated on onesideandembedded in theconcretegrid. flapsealingunderloadandtheslidingsurfacelocated at theside (usually metal) and is formedfromthesurface of theplate.

They requirelessmaintenanceduetotheirsimpleandsafestructureoftenslide, irrigationcanals, sewagesystems, areusedhereinwithlittleinput of bottomandreservoirspillwaystructures.

RADIAL COVERS

Radialgates, theinclinedcurvedsurfaceplateandthecylindricalsurface of thebearingandhydrostaticloadoccurs in theconnectingrodwhichtransmitstheradialsupportbearing. mostlyradialcapwhichcoincidedwiththecenterpoint of thecurvedsurfaceplatemovesaround a horizontalaxis. Through thissettlementhydrostaticforcesacting on thesurface, aretransmitteddirectlytotheaxis of rotation on oroffwithoutanyeffect on thecover.

WHEEL COVERS

Fixedshuttersarethemostcommonlyusedtype of surfacebecomeshaircover, wheels, shaftsandthesealing element. Generally, thesurfacesheet is composed of a flatplatesupportedby a horizontalbeam. Besidesthesurface of thetwobeams in thelastpart, weldedverticalstruts. Wheelsareconnectedtotheuprightswiththehelp of theshaft in thehorizontalaxis. Fixed in thewheelcoverused in the dam, as part of thesealfromtheupperthreshold in morecasesthanthelowerthreshold of thedoorandthewaterlevelheight is provided.