The Hall anchor is also called the mountain anchor. It is a rodless anchor with an anchor that can rotate freely and anchor at a certain inclination. The anchor head and the anchor claw are a one-piece casting. The anchor is passed through the anchor head, and is locked by an anchor dry shaft pin and two anchor head cross pins, so that the anchor head and the anchor claw can rotate 45° forward and backward with the anchor shaft pin as the axis. When the anchor is lying flat with any side of the anchoring claw contacting the bottom of the water, the resistance generated by the friction of the anchor head flange rubbing the subsoil under the pulling of the anchor chain forces the anchor claw pear into the subsoil to generate a grip force. Its grip is about 2.5 to 4.0 times the anchor weight. This type of anchor is characterized by a relatively complicated structure. However, it is convenient to throw, the anchor can be directly inserted into the anchor chain, and the collection is convenient and stable. Widely used for modern ships.
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