| 摘要 |
A vibrator includes a tubular element including one or more sections, the upper end of which is provided with an element for suspension from a hoisting and/or guiding machine and the lower end of which is connected to an endpiece successively including a damper-isolator, a generator of vibrations (4) and a tip (5). This vibrator is made in several detachable elements assembled end-to-end by an element of a plurality of fixing screws (30), the heads or nuts of which are accessible by an element of at least one cavity (27) provided in at least one of the elements and at least one removable locking part (C1, C2) which engages into the cavity (27) by bearing upon the heads or the nuts, so as to ensure the captivity of the screws (30) and to avoid that the assembly be able to dissociate during use.
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