Ramshorn Crane Hook Block

Product Introduction: Ramshorn Crane Hook block is one of the most suitable slings in hoisting. It is connected with pulleys to hang on the wire rope of lifting mechanism. And the hook is the most widely usage when lifting cargo. It is made easily and operated practically. Hooks can be...

Product Details

Product Introduction:

Ramshorn Crane Hook block is one of the most suitable slings in hoisting. It is connected with pulleys to hang on the wire rope of lifting mechanism. And the hook is the most widely usage when lifting cargo. It is made easily and operated practically. Hooks can be classified into single hook and double hooks according to the appearance; forged hooks and strapped hooks according to production method.

Ramshorn Crane Hook block


Quality Checking of Ramshorn Crane Hook block:

Each completed ramshorn hook shall, after heat treatment, be subjected to a vertical proof load specified in Table 1. If the vertical proof load test is applied in accordance with Fig. 1 A, an additional test of half the proof load specified for the vertical loading shall be applied horizontally as indicated Fig, 1B. Prior to the application of proof loading, each hook shall bear a centre punch mark at position a from which scribed lines shall be trammelled to position b. After removal of the load, the hook shall be re-scribed with the trammel unaltered, and the difference between the scribed lines shall be the amount of permanent set. The permanent set shall in no case exceed 0.25 percent of the distance a b. The ramshorn hook shall then be thoroughly examined by a competent person and shall be accepted as complying with this standard only if found free from flaw or defect.


Ramshorn Crane Hook block

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