Gravity-operated deep-sea anchoring device combining anchor with decelerating

Abstract

A deep-sea anchoring device for gravity and anchor composite with a decelerating wing includes an anchoring base, a decelerating wing and an anchor body. The anchoring base provides an anchoring force by its own gravity, heavy pressure and friction with a sea floor. The decelerating wing includes a main decelerating wing, and a secondary decelerating wing that increases the cross-sectional area for diversion, so that a resistance is produced by water flowing through the main and secondary decelerating wings to reduce the falling speed of the anchoring base to a safe range, and prevent the anchoring base from being damaged by its collision with the sea floor. The anchor body is pivoted to the bottom of the anchoring base and anchored by being shoveled into a sea floor mainly consisting of gravels or deposited soil or abutted against rough rocks of a sea floor mainly consisting of rocks.

1 . An anchoring device having a decelerating wing, comprising:
 an anchoring base, being a floating body, and having a chamber formed therein, at least one groove formed in a bottom end thereof;   at least one water diversion pipe installed at a side end of the anchoring base and communicating with the chamber, the at least one water diversion pipe having a switch valve;   a support base disposed at a top end of the anchoring base;   at least one main decelerating wing disposed upon the support base to cover the top end of the anchoring base, an outer edge of the at least one main decelerating wing tilting towards the anchoring base, a resistance space being defined between the at least one main decelerating wing, the support base, and the anchoring base;   at least one secondary decelerating wing disposed on each side of the support base below the at least one main decelerating wing, an end of each secondary decelerating wing extending beyond a corresponding side end of the anchoring base;   at least one anchor body pivotally coupled to the bottom end of the anchoring base within the at least one groove, and tilted relative to the bottom end; and   at least one elastic spring having a first end disposed on a top wall of the at least one groove and a second end coupled to a top of a corresponding anchor body, each elastic spring being configured to elastically abut the corresponding anchor body, the corresponding anchor body thereby protruding from the groove.   
     
     
         2 . The anchoring device having a decelerating wing according to  claim 1 , further comprising at least one diversion panel installed between the secondary decelerating wing and the anchoring base, and at least one diversion channel formed adjacent to the diversion panel and communicating with the resistance space. 
     
     
         3 . The anchoring device having a decelerating wing according to  claim 2 , wherein the at least one main decelerating wing overhangs at least a portion of the at least one secondary decelerating wing. 
     
     
         4 . The anchoring device having a decelerating wing according to  claim 1 , wherein the at least one anchor body has a substantially conical end portion. 
     
     
         5 . The anchoring device having a decelerating wing according to  claim 1 , wherein the at least one groove includes a stop portion, and a thrust element disposed relative to the stop portion, and when a force is exerted to elastically compress the at least one elastic unit, a free end of the at least one anchor body is capable of abutting against the bottom of the thrust element. 
     
     
         6 . The anchoring device having a decelerating wing according to  claim 1 , wherein the at least one groove has a stop portion disposed on a sidewall thereof, and at least one of the anchor bodies is pivotally coupled to the sidewall on which the stop portion is disposed. 
     
     
         7 . The anchoring device having a decelerating wing according to  claim 1 , wherein the anchoring base has at least one accommodation slot formed in a bottom thereof, and at least one pipe fixed to the at least one accommodation slot at an upper end of a radial side edge of the at least one pipe a lower end of the radial side edge of the at least one pipe protruding from the at least one accommodation slot and disposed at the bottom of the anchoring base. 
     
     
         8 . The anchoring device having a decelerating wing according to  claim 7 , wherein the at least one accommodation slot and the at least one groove are arranged alternatingly along the bottom end of the anchoring base. 
     
     
         9 . The anchoring device having a decelerating wing according to  claim 7 , wherein the at least one pipe is a circular steel pipe.