Self-vibration blanking mechanism for drop shaft
The invention discloses a self-vibration blanking mechanism for a drop shaft. The self-vibration blanking mechanism comprises longitudinal bar gratings, a mounting base, an exciting motor and a wellhead closing beam, wherein the mounting base is mounted at the top end of the wellhead closing beam; a...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a self-vibration blanking mechanism for a drop shaft. The self-vibration blanking mechanism comprises longitudinal bar gratings, a mounting base, an exciting motor and a wellhead closing beam, wherein the mounting base is mounted at the top end of the wellhead closing beam; a storage cavity is formed in the middle of one side of inner bottom end of the mounting base; the exciting motor is mounted in the storage cavity; a drop shaft self-vibration blanking mechanism frame is arranged in the mounting base; the longitudinal bar gratings are uniformly arranged in the drop shaft self-vibration blanking mechanism frame; transverse bar gratings are uniformly arranged in the drop shaft self-vibration blanking mechanism frame; sieve pores are formed in the drop shaft self-vibration blanking mechanism frame between the transverse bar gratings and the longitudinal bar gratings. According to the self-vibration blanking mechanism for the drop shaft, by means of clamp blocks,clamp slots, tenons and |
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