Shackle, which is called shackle in English, is an indispensable rigging accessory in lifting construction. Shackle can be used to connect lifting pulley and fixed sling, etc. it is a portable and flexible connecting tool widely used. Shackles can be divided into bow shackles and u shackles according to their shape characteristics. According to the purpose, it can be divided into chain shackle, anchor shackle and floating shackle.
(1) Chain shackle is the shackle used to connect the anchor chain, and the horizontal bolt shall be upward when used.
The transverse bolt is round so that it can not rotate in the bolt hole and increase its strength. When using, first take out the cross bolt of the shackle, put the "U & rdquo; shaped buckle into the large ring of the anchor chain to be connected, and then connect the cross bolt to the upper large ring of the anchor chain in series. In order to prevent the cross bolt from coming out, there is an inclined hole at both ends of the cross bolt and the & ldquo; U & rdquo; shaped fastener, which is used to drive the brake inclined pin. In order to prevent the slant pin from coming out, a green lead seal should be inserted into the hole left at the pin hole. Calcium base grease shall be applied before the inclined pin is inserted into the pin hole for rust prevention.
(2) Anchor shackle is the shackle used to connect the anchor chain and the sinker. The use method is the same as chain shackle.
(3) The floating shackle is a shackle used to connect the floating body and the anchor chain. The use method is the same as the chain shackle.
Link to this article：Correct use of shackle
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