Gantry

UniSite gantries are available in a wide range of sizes. The gantry is located near the drag head and mainly consists of a fixed gantry part, a pivoting A-frame, a hydraulic cylinder and a guide sheave for the hoisting wire.
Drag Head Gantries & Intermediate Gantries
The fixed part of the intermediate gantry is a closed steel construction, welded on deck. The gantry is driven by the cylinder and rotates along the hinge point of gantry frame. The gantry is equipped with a swiveling sheave, which adjusts automatically to the direction of the hoisting wire and provided with proximity switches for detecting of pipe positions.
Trunnion Gantries
The fixed part of the trunnion gantry is a closed steel construction, welded on deck. The portal frames support a guide frame, which remains vertical during movements of the gantry and guides the sliding piece with the trunnion elbow. A service frame carries measuring cables to the sliding piece and suction pipe.