Screw stopper
mechanisms

Stoppers for anchor chains and anchors

31.10.2018

Stoppers for anchor chains and anchors.For attaching the anchor chain during the stay of the ship at anchor and the temporary detention of the anchor chain when handling the camera is mounted stationary and portable stoppers.

Stationary Stoppers they are used temporarily to detain the anchor chain when working with it.They are installed between the anchor club and the spire on the line of passage of the anchor chain.The stationary stoppers having the greatest distribution on the ships of the Navy include: screw friction, screw and Cam.

Screw friction lock

Screw friction lock (Figure-1)it is a plate, which in the middle part has a chute for the passage of the anchor chain links and on each side of the tides with holes for the pins connecting the slaps with the plate. Rotating the handle through the cracker-nut screw having at one end the right, and on the other left cutting, slaps can be put either closed or open position.In the closed position of namechina pressed horizontally running link of the anchor chain to the plate and stopper anchor chain. The arc, which is installed on all stationary stoppers, serves to prevent the anchor chain from popping out of the stopper at its rapid etching.

Screw stopper

Screw stopper (figure-2) it is a plate, which in the middle part has a chute for the passage of the vertical arrangement of the links of the anchor chain and on each side of the tides with holes for connection with the help of pins slaps to the stopper plate.At rotation through a cracker-nut of the handle put on the end of the screw having on one end the right, and on the other end the left carving, slaps can be put either in the closed, or in the opened position. In the closed position of the horizontal link of the anchor chain rests on the slaps and the anchor chain is locked.

 

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