CN218088660U

CN218088660U - Integral type sinking and hoisting device for high-stability offshore pipeline without fixing piles

Info

Publication number: CN218088660U
Application number: CN202220872677.4U
Authority: CN
Inventors: 俞缙; 王元清; 蔡燕燕; 周先齐; 王磊; 姚玮; 刘士雨; 涂兵雄
Original assignee: Huaqiao University; Xiamen University of Technology
Current assignee: Huaqiao University; Xiamen University of Technology
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-12-20
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a high stability marine pipeline integral type sinking hoisting device without a fixed pile, which belongs to the technical field of marine pipeline operation, and comprises a base, bolts are installed at four corner positions of the base in a threaded manner, a mounting seat is fixed on the upper surface of the base, a rotating plate is rotatably installed on the upper surface of the mounting seat, a U-shaped seat is fixed on the upper surface of the rotating plate, a suspension arm is arranged on the U-shaped seat, and the suspension arm mainly comprises a fixed arm hinged on the inner wall of the U-shaped seat and an extension arm which is slidably installed on the fixed arm and extends out of the fixed arm; through setting up the all-round rotation that the board was changeed in the use of pivot cooperation motor one, utilize wire rope to pass thimble and guide pulley cooperation lifting hook to use, can realize the whole hoist and mount operation of pipeline, and cooperate fixed arm and extension arm to constitute the davit to utilize cylinder two to drive angle regulation, thereby can realize the hoist and mount operation in height.

Description

Integral type sinking and hoisting device for high-stability offshore pipeline without fixing piles

Technical Field

The utility model belongs to the technical field of the offshore pipeline operation, concretely relates to integral hoist device that sinks of high stability offshore pipeline of no spud pile.

Background

With the development of science and technology, cross-sea electric power or oil gas transmission has become a mature technology, and pipeline laying on the sea surface is a very important process, and at present, the technology of no spud pile is used mostly when sinking the offshore pipeline, and the former needs to be driven by a support rod on the seabed for operation, and the current is driven to anchor and cooperate with a buoyancy tank for operation, so that the effect of no spud pile is achieved.

The existing offshore pipeline is inconvenient to carry out multi-direction adjustment operation hoisting operation during sinking and hoisting, and an effective limiting mechanism is lacked during hoisting the pipeline, so that the pipeline is easy to shake when being hoisted, and certain safety risk exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high stability marine pipeline integral type that does not have spud pile sinks hoist device to solve the current marine pipeline that provides in the above-mentioned background art and sink when hoist and mount and be not convenient for carry out multi-direction regulation operation hoist and mount operation, and lack effectual stop gear when hoist and mount pipeline, make the pipeline appear rocking phenomenon easily when the hoist and mount, there is the problem of certain safe risk.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high stability offshore pipeline integral type of no spud pile sinks hoist device, includes the base, the bolt is installed to four corner position departments of base equal screw threads, the upper surface of base is fixed with the mount pad, the upper surface of mount pad rotates and installs the rotor plate, and the upper surface of rotor plate is fixed with the U-shaped seat, be provided with the davit on the U-shaped seat, the davit mainly comprises the fixed arm that articulates at U-shaped seat inner wall and the extension arm that slidable mounting just extends the fixed arm on the fixed arm, the internally mounted of fixed arm has cylinder one and the piston rod tip of cylinder one and the tip fixed connection of extension arm, the left side of rotor plate upper surface is fixed with two curb plates one, rotates between two curb plates one and installs the rope winding roller, the winding has wire rope on the rope winding roller, wire rope's the other end is fixed with the lifting hook, one of them the side of curb plate one is fixed with the motor two that output shaft is connected with the rope winding roller, the right side of rotor plate upper surface is provided with the cylinder two that are used for supporting angle regulation to the davit, the right side of rotor plate is fixed with cylinder three, the piston rod tip of cylinder ring limit.

Adopt above-mentioned scheme, use the all-round rotation that realizes the commentaries on classics board through setting up pivot cooperation motor one, utilize wire rope to pass thimble and guide pulley cooperation lifting hook and use, can realize the whole hoist and mount operation of pipeline, and cooperation fixed arm and extension arm constitute the davit, and utilize cylinder two to drive angle regulation, thereby can realize the hoist and mount operation on the height, use through setting up spacing ring cooperation cylinder three, can carry out spacing direction to the pipeline that the lifting hook hoisted, avoid the phenomenon that excessive rocking appears in hoist and mount in-process pipeline, effectively promote hoist and mount operation safety guarantee.

In the above scheme, it should be noted that the first motor, the second motor, the first cylinder, the second cylinder and the third cylinder are all electrically connected to an external power supply.

As a preferred embodiment, a rotating shaft is rotatably mounted on the mounting seat, the top end of the rotating shaft is fixedly connected with the lower surface of the rotating plate, and the bottom end of the rotating shaft is fixedly connected with an output shaft of a motor fixed on the upper surface of the base.

By adopting the scheme, the rotating shaft and the motor are matched for use, the motor drives the rotating shaft to rotate, the rotating shaft drives the rotating plate to rotate, and then the hoisting operation in different directions can be realized.

As a preferred embodiment, a limiting plate is fixed on the outer surface of the extension arm, limiting blocks are fixed on the front side surface and the rear side surface of the limiting plate, and slideways for the limiting blocks to slide are formed in the front side surface and the rear side surface of the fixing arm.

By adopting the scheme, the extension arm can be supported in a limiting mode by the aid of the limiting plate, so that the extension arm cannot be separated from the fixing arm when moving under the driving of the cylinder I, the limiting block is arranged to be matched with the slide way for use, and a good limiting supporting effect can be achieved on movement of the extension arm.

As a preferred embodiment, a plurality of threading rings are fixed on the upper surface of the fixing arm, a guide wheel is fixed at the end of the extension arm, and the steel wire rope sequentially passes through the plurality of threading rings and the guide wheel.

By adopting the scheme, the steel wire rope can be guided and transmitted by the aid of the threading rings and the guide wheels, so that the stability of the steel wire rope in the motion process is better.

As a preferred embodiment, one end of the first air cylinder is hinged with two side plates II, the side plates II are installed on the upper surface of the rotating plate, and the other end of the second air cylinder is hinged with two side plates fixed on the lower surface of the fixing arm in a three-phase mode.

By adopting the scheme, the second side plate and the third side plate are arranged to ensure that the second cylinder can stably drive the suspension arm to rotate when extending or contracting, and further stable operation in height is realized.

As a preferred embodiment, guide rods are slidably mounted on the front side surface and the rear side surface of the rotating plate, a fixing block is fixed at the right end of each guide rod, and the fixing block is mounted on the outer surface of the limiting ring.

By adopting the scheme, the guide rod and the fixing block are matched for use, so that the motion stability of the limiting ring is ensured to be good.

Compared with the prior art, the beneficial effects of the utility model are that:

the integral sinking and hoisting device for the high-stability offshore pipeline without the fixing piles is provided with the rotating shaft to be matched with the motor I to realize the omnibearing rotation of the rotating plate, a steel wire rope penetrates through the threading ring and the guide wheel to be matched with the lifting hook to use, the integral hoisting operation of the pipeline can be realized, a fixed arm and an extension arm are matched to form a hoisting arm, and the cylinder II is used for driving and adjusting the angle, so that the hoisting operation in height can be realized;

this integral heavy hoist device that puts of high stability marine pipeline of no spud pile can carry out spacing direction to the pipeline that the lifting hook hoisted through setting up three uses of spacing ring cooperation cylinders, avoids hoist and mount in-process pipeline phenomenon that excessively rocks to appear, effectively promotes hoist and mount operation safety guarantee.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic left side view of the present invention;

fig. 3 is a schematic structural diagram of the suspension arm of the present invention.

In the figure: 1. a base; 2. a bolt; 3. a mounting seat; 4. a first motor; 5. a limiting block; 6. rotating the plate; 7. a U-shaped seat; 8. a fixed arm; 9. an extension arm; 10. a first side plate; 11. a rope winding roller; 12. a wire rope; 13. a threading ring; 14. a guide wheel; 15. a hook; 16. a second motor; 17. a second side plate; 18. a second air cylinder; 19. a third side plate; 20. a third air cylinder; 21. a limiting ring; 22. a fixed block; 23. a guide bar; 24. a limiting plate; 25. and a first cylinder.

Detailed Description

Please refer to fig. 1-3, the utility model provides an integral hoist device that sinks of high stability marine pipeline of no spud pile, including base 1, bolt 2 is installed to four corner position departments of base 1 all screw threads, base 1's upper surface is fixed with mount pad 3, mount pad 3's upper surface rotates installs commentaries on classics board 6, the upper surface of commentaries on classics board 6 is fixed with U-shaped seat 7, it installs the pivot to rotate on the mount pad 3, the top of pivot is connected with the lower fixed surface who changes board 6, the bottom of pivot and the 1 upper surface of base fixed motor 4 output shaft fixed connection, utilize pivot and 4 cooperations of motor to use, motor 4 drives the pivot and rotates, the pivot drives commentaries on classics board 6 and rotates, and then can realize not equidirectional hoist and mount operation.

Be provided with the davit on U-shaped seat 7, the davit mainly comprises fixed arm 8 and slidable mounting who articulates at 7 inner walls of U-shaped seat on fixed arm 8 and extend the extension arm 9 of fixed arm 8, the surface mounting of extension arm 9 has limiting plate 24, limiting plate 24's front and back both sides face monarch is fixed with spacing piece 5, supply 5 gliding slides of spacing piece have been seted up to fixed arm 8's front and back both sides face monarch, it is spacing to utilize setting up of limiting plate 24 to support extension arm 9, make extension arm 9 can not break away from fixed arm 8 when cylinder 25's drive downstroke, spacing cooperation slide of setting up of spacing piece 5 is used, can play a fine spacing support effect to extension arm 9's motion.

The internally mounted of fixed arm 8 has a cylinder 25 and a piston rod end of cylinder 25 and the end fixed connection of extension arm 9, the left side of changeing 6 upper surfaces of board is fixed with two curb plates 10, it installs rope winding roller 11 to rotate between two curb plates 10, the winding has wire rope 12 on the rope winding roller 11, wire rope 12's the other end is fixed with lifting hook 15, the last fixed surface of fixed arm 8 has a plurality of thimble 13, the end fixed of extension arm 9 has guide pulley 14, wire rope 12 passes a plurality of thimble 13 and guide pulley 14 in proper order, the transmission of leading can be carried out to wire rope 12 to the setting that utilizes thimble 13 and guide pulley 14, make wire rope 12's motion process stability better.

A second motor 16 with an output shaft connected with the rope winding roller 11 is fixed on the side face of one side plate first 10, a second air cylinder 18 used for supporting and adjusting the angle of the suspension arm is arranged on the right side of the upper surface of the rotating plate 6, two side plates second 17 are hinged to one end of the first air cylinder 25, the second side plates 17 are installed on the upper surface of the rotating plate 6, the other end of the second air cylinder 18 is hinged to two side plates third 19 fixed on the lower surface of the fixing arm 8, and the arrangement of the side plates second 17 and the side plates third 19 can ensure that the suspension arm can be stably driven to rotate when the second air cylinder 18 extends or contracts, so that stable operation in height is achieved.

The right side face of the rotating plate 6 is fixedly provided with a third air cylinder 20, the end part of a piston rod of the third air cylinder 20 is fixedly provided with a limiting ring 21, the front side face and the rear side face of the rotating plate 6 are respectively provided with a guide rod 23 in a sliding mode, the right end of the guide rod 23 is fixedly provided with a fixing block 22, the fixing block 22 is arranged on the outer surface of the limiting ring 21, and the guide rod 23 and the fixing block 22 are matched for use, so that good movement stability of the limiting ring 21 is guaranteed.

When the pipeline hoisting device is used, firstly, the base 1 is installed on an anchor plate through the bolt 2, when the pipeline needs to be hoisted, the second control motor 16 drives the rope winding roller 11 to rotate to release the steel wire rope 12, the pipeline is hoisted through the lifting hook 15, then the first control cylinder 25 extends to adjust the extension length of the extension arm 9, the second control cylinder 18 extends to adjust the hoisting height after the pipeline is adjusted to be needed, meanwhile, the third control cylinder 20 extends or contracts to enable the limiting ring 21 to be always under the lifting hook 15, the rope is unreeled through the second control motor 16 to enable the lifting hook 15 to drive the pipeline to enter the limiting ring 21, the limiting ring 21 is used for limiting the pipeline, the first control motor 4 drives the rotating shaft to rotate again, the rotating shaft drives the rotating plate 6 to rotate, and hoisting operation in different directions is achieved.

Claims

1. The utility model provides a high stability offshore pipeline integral type that does not have spud pile sinks hoist device which characterized in that: including base (1), the equal threaded mounting in four corner positions department of base (1) has bolt (2), the upper surface mounting of base (1) has mount pad (3), the upper surface rotation of mount pad (3) installs commentaries on classics board (6), and the upper surface mounting of commentaries on classics board (6) has U-shaped seat (7), be provided with the davit on U-shaped seat (7), the davit mainly by hinge in fixed arm (8) of U-shaped seat (7) inner wall and slidable mounting on fixed arm (8) and extend extension arm (9) of fixed arm (8) and constitute, the internally mounted of fixed arm (8) has the piston rod tip and the tip fixed connection of extension arm (9) of cylinder (25) and cylinder (25), the left side of commentaries on classics board (6) upper surface is fixed with two curb plates (10), rotates between two curb plates (10) and installs rope winding roller (11), the winding roller (11) is gone up the winding has wire rope (12), the other end fixed with lifting hook (15) of wire rope (12), one of which fixed side fixed plate (10) has the rope winding roller (10) and the side of cylinder (6) is provided with the regulation cylinder (6) and the right side of change board (18) and be used for the cylinder (6) to carry out the regulation of the right side of the change the angle of cylinder (6) and be provided with the motor (16), and a limiting ring (21) is fixed at the end part of a piston rod of the cylinder III (20).

2. The spudless high stability offshore pipeline integral type sinking hoist device of claim 1, characterized in that: the rotary mounting device is characterized in that a rotating shaft is rotatably mounted on the mounting seat (3), the top end of the rotating shaft is fixedly connected with the lower surface of the rotating plate (6), and the bottom end of the rotating shaft is fixedly connected with a first motor (4) output shaft of the base (1).

3. The spudless high stability offshore pipeline integral type sinking hoist device of claim 1, characterized in that: the outer surface of extension arm (9) is fixed with limiting plate (24), limiting block (5) are fixed to the both sides face monarch around limiting plate (24), confession limiting block (5) gliding slide has been seted up to the both sides face monarch around fixed arm (8).

4. The spudless high stability offshore pipeline integral type sinking hoist device of claim 1, characterized in that: the upper surface of fixed arm (8) is fixed with a plurality of thimble (13), the end fixing of extension arm (9) has guide pulley (14), wire rope (12) pass a plurality of thimble (13) and guide pulley (14) in proper order.

5. The spudless high stability offshore pipeline integral type sinking hoist device of claim 1, characterized in that: one end of the first cylinder (25) is hinged with a second side plate (17), the second side plate (17) is installed on the upper surface of the rotating plate (6), and the other end of the second cylinder (18) is hinged with a third side plate (19) fixed on the lower surface of the fixing arm (8).

6. The spudless high stability marine pipeline integral type sinking hoist device of claim 1, characterized by: the front side face and the rear side face of the rotating plate (6) are provided with guide rods (23) in a sliding mode, the right end of each guide rod (23) is fixed with a fixing block (22), and the fixing blocks (22) are installed on the outer surface of the limiting ring (21).