CN212953891U - Lifting hook at submarine pipeline terminal - Google Patents

Abstract

The utility model discloses a lifting hook at submarine pipeline terminal, a rings for connecting the A/R winch, which comprises a mainboard, the one end of mainboard is the hook shape, the mainboard has a link that is used for connecting submarine pipeline terminal yet, the link is connected as an organic wholely with the hook, the bilateral symmetry of hook is provided with the subplate, the subplate has seted up the U-shaped groove along the opening direction of hook, the U-shaped groove is connected with the opening part smooth joint of hook, the rings of A/R winch can be convenient and fast with hook matching and breaking out, the construction degree of difficulty of underwater operation has been reduced, submarine pipeline terminal has been saved and has been transferred the time under water, and then improve submarine pipeline terminal's the efficiency of construction of transferring the operation, the setting of subplate has increased the size of the contact surface of hook with rings, structural strength can effectively be improved, the stable and reliable of structure has been guaranteed, and the, Welding and the manufacturing of the technology of polishing form, prior art compares, the utility model discloses material cost has been saved greatly in convenient preparation.

Description

Lifting hook at submarine pipeline terminal

Technical Field

The utility model relates to a lifting hook at submarine pipeline terminal relates to the hoisting structure on the underwater equipment among the ocean engineering.

Background

With the development of the marine oil industry, subsea production systems play an increasingly important role in production. In the structure of a submarine equipment PLET (submarine pipeline terminal), a towing point for connecting a cable rigging on an a/R winch (a common lowering equipment used in the field of ocean engineering) needs to be arranged, and the towing point is generally Padeye (Padeye is a lifting lug) or a lifting hook.

An underwater Robot (ROV) is usually used for underwater operation, if a towing point in a Padeye form is connected with a lifting ring of an A/R winch, when PLET is installed underwater, the ROV is needed for carrying out the tripping operation, a special ROV clamping ring is needed to be purchased to connect the Padeye and the lifting ring, and the PLET installation time is increased due to the ROV operation.

If a general lifting hook is selected to be connected with a lifting ring of the A/R winch, the lifting hook is generally required to be customized and forged according to actual conditions, the cost is high, and the adoption of the special lifting hook often increases the production period and may influence the actual construction progress.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a lifting hook at submarine pipeline terminal can save the activity duration of breaking out under water to improve submarine pipeline terminal's the efficiency of construction of transferring the operation.

In order to solve the technical problem, the utility model provides a lifting hook at submarine pipeline terminal for connect the rings of AR winch, which comprises a mainboard, the one end of mainboard is the hook shape, the mainboard also has a link that is used for connecting submarine pipeline terminal, the link sets up and deviates from the direction of hook and with the hook is connected as an organic wholely, the bilateral symmetry of hook is provided with the subplate, just the subplate with the hook is parallel, the subplate area is less than the area of hook follow on the subplate the U-shaped groove has been seted up to hook opening direction, the U-shaped groove with hook opening part smooth connection.

Further, the end of the hook far away from the U-shaped groove is also provided with a through hole for connecting a guide rope.

Furthermore, the opening direction of the hook and the included angle of the connecting end are acute angles.

Furthermore, the main board and the auxiliary board are both steel plates, and the auxiliary board is welded on the main board.

Further, the thickness of the main plate is larger than that of the auxiliary plate.

Furthermore, the sum of the thicknesses of the main plate and the auxiliary plates on the two sides is smaller than the aperture of the lifting ring of the A/R winch, and the ratio of the sum of the thicknesses of the main plate and the auxiliary plates on the two sides to the aperture of the lifting ring of the A/R winch is within the range of 1 (1.1-1.3), so that the strength of the lifting hook can be enhanced, and the matching of the lifting hook and the lifting ring is more stable.

Further, the connecting end is connected with the submarine pipeline terminal in a welding mode.

The technical effects of the utility model reside in that: 1. the utility model relates to a lifting hook at submarine pipeline terminal for connect rings of AR winch, including the mainboard, the one end of mainboard is the hook shape, and the mainboard has a link that is used for connecting submarine pipeline terminal in addition, and the link setting is deviating from the direction of hook and is connected as an organic wholely with the hook, and the bilateral symmetry of hook is provided with the subplate, and the subplate is parallel with the hook, and the subplate area is less than the area of hook, has seted up the U-shaped groove along hook opening direction on the subplate, U-shaped groove and hook opening part smooth connection. The hoisting ring of the A/R winch can be conveniently matched with and buckled with the hook, the construction difficulty of underwater operation is reduced, the underwater time of the submarine pipeline terminal is saved, the construction efficiency of the lowering operation of the submarine pipeline terminal is improved, the size of the contact surface of the hook and the hoisting ring is increased due to the arrangement of the auxiliary plate, the structural strength can be effectively improved, and the stability and the reliability of the structure are guaranteed.

2. The utility model discloses a lifting hook at submarine pipeline terminal, lifting hook include mainboard and subplate, and what subplate of mainboard is the steel sheet, and overall structure is accomplished through cutting, welding and the manufacturing of the technology of polishing, and prior art compares, the utility model discloses can purchase the on-the-spot convenient preparation of customization forged lifting hook or purchase the ROV and accomplish submarine pipeline terminal and transfer the seabed according to actual need relatively, saved material cost and the period of handling greatly.

Drawings

Fig. 1 is a schematic structural view of a hook of a submarine pipeline terminal according to the present invention;

fig. 2 is a schematic view of a hook structure of a lifting hook of a submarine pipeline terminal according to the present invention;

fig. 3 is a schematic view of a submarine pipeline termination with the hook of the present invention.

The main reference numbers in the figures illustrate:

1-lifting hook, 2-submarine pipeline terminal, 3-through hole, 4-welding seam, 5-hook opening, 6-U-shaped groove, 11-main board, 12-auxiliary board, 21-YOKE arm, 111-hook and 112-connecting end.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Fig. 1 is the structural schematic diagram of the lifting hook at the submarine pipeline terminal of the present invention, fig. 2 is the hook structural schematic diagram of the lifting hook at the submarine pipeline terminal of the present invention, and fig. 3 is a submarine pipeline terminal schematic diagram with the lifting hook of the present invention.

Referring to fig. 1, 2 and 3, a lifting hook 1 of a submarine pipeline terminal for connecting with a lifting ring of an a/R winch comprises a main plate 11 and a sub-plate 12, wherein one end of the main plate 11 is in the shape of a hook 111, the main plate further comprises a connecting end 112 for connecting with the submarine pipeline terminal 2, the connecting end 112 is arranged in a direction away from the hook 11 and is integrally connected with the hook 111, the sub-plate 12 is arranged on two sides of the hook 111 in parallel and symmetrically with the hook 111, a U-shaped groove 6 is arranged on the sub-plate 12 along the direction of a hook opening 5, and the U-shaped groove 6 is smoothly connected with the hook opening 5.

Further, the angle between the direction of the hook opening 5 and the connecting end 112 is an acute angle, and the direction of the hook opening 5 is close to the connecting end 112.

Furthermore, the main plate 11 and the auxiliary plate 12 are both steel plates, the auxiliary plate 12 is welded on the main plate 11, the auxiliary plate 12 and the welding seam 4 of the main plate 11 at the position of the U-shaped groove 6 are polished smoothly, so that the contact surface of the lifting hook 1 and the lifting ring of the A/R winch is a smooth curved surface, and the problem of stress concentration can be effectively reduced.

Further, the thickness of the main plate 11 is larger than that of the sub-plate 12.

Further, the connection end 112 is welded to the submarine pipeline terminal 2.

Further, the hook 111 is further provided with a through hole 3, the through hole 3 is formed in the end portion, close to the hook opening 5, of the hook 111, and the through hole 3 is connected with a guide rope for underwater buckle matching operation, so that the difficulty of the underwater buckle matching operation is reduced.

Furthermore, the sum of the thicknesses of the main plate 11 and the auxiliary plates 12 on the two sides is smaller than the aperture of the lifting ring of the A/R winch, and preferably, the ratio of the sum of the thicknesses of the main plate 11 and the auxiliary plates 12 on the two sides to the aperture of the lifting ring of the A/R winch is in the range of 1 (1.1-1.3), so that the strength of the lifting hook 1 can be enhanced, and meanwhile, the matching of the lifting hook 1 and the lifting ring is more stable.

As shown in fig. 3, in a preferred embodiment of the present invention, a lifting hook 1 of a submarine pipeline terminal, a connecting end 112 is welded to a YOKE arm 21 of the submarine pipeline terminal 2, during a process of lowering the submarine pipeline terminal 2 to the seabed, a lifting ring of an a/R winch is first hung into a hook 111 along a hook opening 5 of a hook structure of the hook 111, when the submarine pipeline terminal 2 reaches a target lowering position, a cable of the a/R winch is loosened, the lifting ring can be easily taken off from the lifting hook 1, underwater shackle removal is very convenient, underwater operation time is saved by reducing the construction difficulty of underwater operation, and further the construction efficiency of lowering the submarine pipeline terminal 2 is improved, in addition, compared with the prior art, the present invention is made of a steel plate by cutting, welding and polishing, thereby greatly saving the cost for purchasing an ROV snap ring required for pade or purchasing a customized lifting hook, relatively saving material cost.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (7)

1. The utility model provides a lifting hook at submarine pipeline terminal for connect rings of A/R winch, its characterized in that: the submarine pipeline connector comprises a main board, one end of the main board is in a hook shape, the main board is further provided with a connecting end used for being connected with a submarine pipeline terminal, the connecting end is arranged in the direction departing from the hook and is connected with the hook into a whole, two sides of the hook are symmetrically provided with auxiliary boards, the auxiliary boards are parallel to the hook, the area of each auxiliary board is smaller than that of the hook, a U-shaped groove is formed in the auxiliary board in the opening direction of the hook, and the U-shaped groove is smoothly connected with the opening of the hook.

2. A lifting hook as claimed in claim 1, wherein: the hook is further provided with a through hole used for connecting a guide rope at the end part far away from the U-shaped groove.

3. A lifting hook as claimed in claim 1, wherein: the main board and the auxiliary board are steel plates, and the auxiliary board is welded on the main board.

4. A lifting hook as claimed in claim 1, wherein: the opening direction of the hook and the included angle of the connecting end are acute angles.

5. A lifting hook as claimed in claim 1, wherein: the thickness of the main plate is larger than that of the auxiliary plate.

6. A lifting hook as claimed in claim 1, wherein: the sum of the thicknesses of the main plate and the auxiliary plates on the two sides is smaller than the aperture of a lifting ring of the A/R winch.

7. A lifting hook as claimed in claim 1, wherein: the connecting end is connected with the submarine pipeline terminal in a welding mode.

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