Disclosure of Invention
The invention aims to provide a turnover centering mechanism for a vertical connector.
The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a turn-over centering mechanism for a vertical connector, comprising a base, a support structure, and a turn-over stand; the supporting structure is arranged on the base and used for supporting the turning frame; the turning frame is rotatably arranged on the supporting structure and used for bearing a vertical connector and driving the vertical connector to rotate by a set angle, so that a joint for connecting the vertical connector and a hose extends upwards along the direction vertical to the moon pool.
Preferably, the number of the supporting structures is two, and the two groups of the supporting structures are arranged on the base at intervals;
the support structure comprises a first upright column arranged perpendicular to the base;
the turning frame can be rotatably and detachably arranged on the first stand columns of the two groups of supporting structures.
Preferably, the turning frame comprises a frame body which carries the vertical connector and is detachably connected with a connecting seat on the vertical connector for connecting a seabed base plate, and rotating shafts which are arranged on two opposite sides of the frame body and are rotatably connected with the first upright posts of the two groups of supporting structures.
Preferably, a locking structure for locking the rotating shaft and the first upright post is arranged on the first upright post;
one end of the first upright post is provided with an installation groove for installing the rotating shaft;
the locking structure comprises a locking hook and a locking piece, wherein one end of the locking hook is rotatably arranged on the first upright column, the other end of the locking hook is detachably connected with the first upright column and can cover the mounting groove, and the locking piece is used for locking the locking hook and the first upright column to enable the locking hook and the mounting groove to form an axle hole;
and the rotating shaft is provided with a limiting structure matched and limited with the locking structure.
Preferably, a ladder stand is arranged on the first upright post.
Preferably, the supporting structure further comprises a second upright, one end of which is connected with the first upright and the other end of which is connected with the base and is obliquely arranged.
Preferably, the base comprises a first supporting beam and a second supporting beam which are arranged at intervals, a first base body which is detachably mounted on the first supporting beam, and a second base body which is detachably mounted on the second supporting beam and detachably spliced with the first base body;
the supporting structure is arranged on the first seat body.
Preferably, a support table for supporting a vertical connector rotating by a set angle is provided on the second seat.
Preferably, a first hoisting structure is arranged on the base;
and/or a second hoisting structure is arranged on the turning frame.
Preferably, the turning frame is provided with a connecting structure detachably connected with the vertical connector.
The turning and centering mechanism for the vertical connector has the following beneficial effects: this a upset centering mechanism accessible for vertical connector rotates the turn-over frame that bears vertical connector, drives vertical connector through turning over the frame and rotates the setting angle and make vertical connector and hose connection's joint upwards extend the setting along the perpendicular to moon pool direction to the connection of the hose of being convenient for, and going on of hose vertical laying can improve the perpendicular efficiency of laying of hose, practices thrift the cost of labor.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Fig. 2-4 illustrate some preferred embodiments of the present invention for a flip-centering mechanism for a vertical connector. This a upset centering mechanism for vertical connector can be used to set the angle with vertical connector 100 upset to vertical connector 100 and hose vertical connection, and the perpendicular of the hose of being convenient for lay, can improve the efficiency that the hose was laid perpendicularly, practices thrift the cost of labor. In this embodiment, the vertical connector 100 may be a "gooseneck" type vertical connector 100 shown in fig. 1.
Further, in some embodiments, the flip centering mechanism for a vertical connector may include a base 10, a support structure 20, and a flip frame 30. The base 10 may rest on a platform. The supporting structure 20 can be disposed on the base 10 and can be used to support the turning frame 30. The turn-over stand 30 is rotatably mounted on the support structure 20, and is used for carrying the vertical connector 100 and driving the vertical connector 100 to rotate by a set angle, so that the joint 102 of the vertical connector 100 and the hose extends upward along the direction perpendicular to the moon pool. In some embodiments, the set angle may be 0-120 degrees, although it is understood that the set angle may not be limited to 0-120 degrees in other embodiments.
Further, as shown in fig. 5, in some embodiments, the base 10 may include a first support beam 11, a second support beam 12, a first seat 13, and a second seat 14.
The first support beam 11 and the second support beam 12 can be spaced apart, in some embodiments, the first support beam 11 and the second support beam 12 can be formed by steel sections, which can be strip-shaped, and the first support beam 11 and the second support beam 12 can be arranged side by side and in parallel.
The first seat 13 can be a frame structure, the first seat 13 can be disposed on the first supporting beam 11, and in some embodiments, the first seat 13 can be detachably connected to the first supporting beam 11 by disposing a connecting component. Of course, it is understood that in other embodiments, the first seat 13 can be welded and fixed to the first support beam 11. The first seat body 13 may include a plurality of third supporting beams 131 arranged side by side and at intervals, and two fourth supporting beams 132 disposed at two ends of the plurality of third supporting beams 131 and connected to the plurality of third supporting beams 131, wherein one fourth supporting beam 132 may be disposed on the first supporting beam 11, and the other fourth supporting beam 132 may be spliced with the second seat body 14.
In some embodiments, the second seat 14 can be disposed on the second support beam 12 and can be connected to the first seat 13. The second seat 14 can be detachably connected to the first seat 13. In some embodiments, the second housing 14 can be detachably connected to the first housing 13 by a connecting assembly. The connection assembly may be a screw. In some embodiments, the second seat 14 can be detachably connected to the second support beam 12 by providing a connecting member, which can be a screw, although it is understood that in other embodiments, the second seat 14 can be fixed to the second support beam 12 by welding. In some embodiments, the second seat 14 may include a plurality of fifth supporting beams 141 arranged at intervals and side by side, and a length direction of the plurality of fifth supporting beams 141 is identical to a length direction of the third supporting beam 131. One end of the fifth supporting beam 141 can be connected to the second base 14, and the other end can be connected to the second supporting beam 12. In some embodiments, a support base 142 can be disposed on the second seat 14, and the support base 142 can be disposed on the fifth support beam 141 in the middle and can be welded to the fifth support beam 141. The support base 142 may be used to support the vertical connector 100 for rotation through a set angle.
Further, in some embodiments, a first hanging structure 15 is provided on the base 10. The first hoisting structure 15 may be arranged on the first support beam 11 and the second support beam 12. Of course, it is understood that in some embodiments, the first hoisting structure 15 may be provided only on the first support beam 11 or the second support beam 12. In some embodiments, the first lifting structure 15 may be a lifting lug that may be used in conjunction with a rigging to facilitate lifting of the foundation 10. In some embodiments, two lifting lugs may be disposed on each of the first support beam 11 and the second support beam 12 at intervals. Of course, it is understood that in other embodiments, the first support beam 11 and the second support beam 12 are not limited to two lifting lugs. The first hoisting structure 15 can realize the integrated hoisting of the base 10, the vertical connector 100 and the overturn frame 20.
Further, in some embodiments, the two opposite sides of the base 10 may be provided with D-rings, which may be used to adjust the position of the base 10 on the moon pool 300 by pulling a chain block so that the vertical connector 100 and the hose head end fitting are connected in alignment.
Further, in some embodiments, the supporting structure 20 can be disposed on the first base 13 and can be detachably connected to the first base 13 by disposing a connecting component. In some embodiments, the connection assembly may be a screw. Of course, it is understood that in other embodiments, the supporting structure 20 and the first base 13 can be fixed by welding. In some embodiments, the supporting structures 20 may be two groups, and the two groups of supporting structures 20 may be disposed on the base 10 at intervals along the length direction of the first supporting beam 11.
In some embodiments, each set of support structures 20 may include a first upright 21, and a second upright 22. In some embodiments, the first upright 21 can be disposed perpendicular to the base 10, specifically, in some embodiments, the first upright 21 can be disposed perpendicular to the fourth support beam 132 and can be detachably connected to the fourth support beam 132 by disposing a connecting member, which can be a bolt in some embodiments. The first column 21 may be substantially cylindrical and may be made of steel, although it is understood that in other embodiments, the first column 21 may not be limited to being cylindrical and may not be limited to being steel. In some embodiments, one end of the first pillar 21 may be provided with a mounting groove 211, and the mounting groove 211 may be an arc-shaped groove. The mounting groove 211 can be used for mounting the rotating shaft 32 of the turn-over stand 30. In some embodiments, the second column 22 can be connected to the first column 21 at one end and the base 10 at the other end, and can be disposed obliquely to form a herringbone arrangement with the first column 21. In some embodiments, one end of the second upright 22 may be welded to the first upright 21, and the other end may be disposed on the third supporting beam 131, and may be detachably connected to the third supporting beam 131 by a connecting member, which may be a bolt in some embodiments. Removal of the support structure is facilitated by the removable connection of the first upright 21 and the second upright 22 to the base 10.
Further, in some embodiments, a locking structure 23 may be disposed on the first upright 21, and the locking structure 23 may be used to lock the rotating shaft of the body turning frame 30 with the first upright 21. In some embodiments, the locking structure 23 can be disposed at an end of the first upright 21 away from the base 10. In some embodiments, the locking structure 23 may include a locking hook 231 and a locking element. One end of the locking hook 231 is rotatably disposed on the first upright 21, specifically, in some embodiments, the locking hook 231 can be hinged to the first upright 21 by a hinge structure, and the other end of the locking hook 231 can be detachably connected to the first upright 21. In some embodiments, the locking hook 231 may be in a ring shape, and may cover the mounting groove 211 by rotating, when the locking hook 231 is locked with the first upright 21, the locking hook 231 and the mounting groove 211 may form an axial hole 210, and the axial hole 210 may be used for rotatably mounting the rotating shaft 32. The locking element can be disposed at one end of the locking hook 231, and can be used to lock the locking hook 231 with the first pillar 21. In some embodiments, the locking element may be a bolt. By the locking structure, the rotating shaft of the turnover frame 30 can be prevented from jumping out of the mounting groove 211 in the turnover process.
Further, in some embodiments, a ladder 24 may be disposed on the first upright 21, and the ladder 24 may include a plurality of steps disposed side by side on the sidewall of the first upright 21 in the longitudinal direction of the first upright 21. The ladder stand 24 can be used for an operator to climb up, facilitating the operator to remove the fixing plate and fixing rigging between the vertical connector 100 and the turn-over stand 30.
Further, as shown in fig. 6, in some embodiments, the body-turning frame 30 is rotatably and detachably mounted on the first upright 21 of the two sets of supporting structures 20, can be rotated between the two sets of supporting structures 20, and can be easily removed by detachably connecting the body-turning frame 30 with the first upright 21. In some embodiments, the body turning frame 30 may include a frame body 31 and a rotating shaft 32. The frame 31 may be a rectangular frame structure. In some embodiments, the frame 31 may be a metal frame, and in particular, the frame 31 may be made of steel. Of course, it is understood that in other embodiments, the frame 31 may not be limited to being made of steel. The frame 31 can be used for carrying the vertical connector 100 and can be detachably connected with the connecting seat 101 of the vertical connector 100. In some embodiments, the number of the rotating shafts 32 may be two, the two rotating shafts 32 may be disposed on two opposite sides of the frame body 31, and may protrude from two opposite sides of the frame body 31, and may be rotatably connected to the two first upright posts 21, specifically, the two rotating shafts 32 may be respectively snapped into the mounting grooves 211 of the two first upright posts 21, and may be locked with the first upright posts 21 by the locking structures 23. In some embodiments, the rotation shaft 32 can be provided with a limiting structure 321, and the limiting structure 321 can be used for limiting the position in cooperation with the locking structure 23. In some embodiments, the limiting structure 321 may include a limiting baffle 3211 disposed at an end of the rotating shaft 32 away from the frame body 31, and a limiting ring plate 3212 sleeved on the rotating shaft 32 and spaced apart from the limiting baffle 3211 to form a limiting groove. After the rotating shaft 32 is installed in the installation groove 211, the locking hook 231 can be rotated, the locking hook 231 is clamped into the limiting groove formed by the limiting baffle 3211 and the limiting ring plate 3212, and then one end of the locking hook 321 is connected and fixed with the first upright post 21 by using a locking element.
Further, in some embodiments, the body frame 30 is provided with a connecting structure 33, and the connecting structure 33 can be used for detachable connection with the vertical connector 100. In some embodiments, the connecting structure 33 may be a plurality of connecting fixing plates, which may be disposed on the frame 31 and may be spaced along the circumferential direction of the frame 31, and specifically, in use, the connecting fixing plates may be disposed along the circumferential direction of the connecting seat 101 of the vertical connector 100 and may extend along the radial direction of the connecting seat 101 to be connected and fixed with the connecting seat 101.
Further, in some embodiments, a second hoisting structure 34 may be disposed on the body-turning frame 30, and the second hoisting structure 34 may be used for connecting with a rigging for external equipment to hoist and rotate the body-turning frame 30. In some embodiments, the second hoisting structure 34 may be a plurality of lifting lugs, and the plurality of lifting lugs may be disposed on the frame body 31 at intervals, and may be fixed to the frame body 31 by welding.
Further, in some embodiments, the frame 31 may be provided with a positioning plate 35, one end of the positioning plate 35 may be an inclined surface, and the inclined surface of the positioning plate 35 may be attached to the tapered surface of the connecting seat 101 to be matched and positioned with the connecting seat 101. In some embodiments, the positioning plate 35 may be detachably mounted on the frame 31 by providing a connecting assembly. In some embodiments, the connection assembly may be a screw or bolt.
As shown in fig. 2 to 4, in the implementation of the turning centering mechanism for the vertical connector, the "gooseneck" type vertical connector is placed on the turning frame 30, and six connecting fixing plates are installed to fix the vertical connector 100 and the turning frame 30 together. The vertical connector 100 and the roll-over stand 30 are then lifted as a unit. The vertical connector 100 and the turn-over stand 30 are hung above the base 10, the rotating shaft 32 of the turn-over stand 30 is placed into the mounting groove 211 of the first upright 21, the locking structure 23 is closed and the bolt is tightened. The direction and height of the crane are slowly adjusted so that the turning frame 30 rotates around the rotating shaft 32, and the gooseneck type vertical connector slowly falls on the base 10. Through the lug on the base 10, will overturn "gooseneck" formula vertical connector and base 10 one and lift by crane to moon pool 300 on, the position is close to moon pool 300 center as far as possible, then through chain block adjustment base 10's position, when the hose head end passes through tensioning ware and presss from both sides tightly, accomplish being connected of "gooseneck" formula vertical connector and hose head end. The hose 200 is pulled upwards by a tensioner to a certain height so that the "gooseneck" type vertical connector is separated from the base 10, the other end of the "gooseneck" type vertical connector is hoisted by a row at the side of the moonpool 300, at this time, the six connecting fixing plates on the turn-over frame 30 are detached, the turn-over frame 30 and the supporting structure 20 are removed, the base 10 is moved away from the center of the moonpool 300 so as to open the moonpool 300, and the hose 200 and the vertical connector 100 are laid continuously through the moonpool.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.