CN118125321A - Deepwater hoisting device and construction method thereof - Google Patents

Abstract

The invention discloses a deepwater hoisting device and a construction method thereof, wherein the deepwater hoisting device comprises a first hoisting beam, a second hoisting beam, a hoisting arm and a deck, a hoisting beam storage area and a hoisting cable storage area are arranged on the deck, two ends of the first hoisting beam and the second hoisting beam are respectively connected by a first hoisting cable and a second hoisting cable, the first hoisting beam is connected with the hoisting arm through a third hoisting cable, the hoisting arm hoistes the first hoisting beam and the second hoisting beam so as to enable the second hoisting beam to be placed on a hanging buckle on the deck, the first hoisting beam is separated from the second hoisting beam, the first hoisting beam is connected with a plurality of third hoisting beams so as to enable the third hoisting beams to be connected with the second hoisting beam, the second hoisting beam is sequentially placed on the hanging buckle, and the second hoisting beam is connected with a hoisted object through a fourth hoisting cable and a fifth hoisting cable so as to enable the hoisted object to descend to the seabed. According to the deepwater hoisting device provided by the invention, the hoisting beam is hoisted by the hoisting arm and is placed at the hanging buckle, so that the seabed of the hoisted object is hoisted in place, and the hoisted sling and the hoisting beam can be recycled after being recovered, so that the resource is saved.

Description

Deepwater hoisting device and construction method thereof

Technical Field

The invention belongs to the field of offshore oil engineering, and particularly relates to a deepwater hoisting device and a construction method thereof.

Background

With the continuous progress of offshore oil development in China to the field of deep water, the hoisting demands of the deep water underwater structure are also increasing. At present, the rope threading mode of the hook head of the floating crane is changed, the rope threading quantity of pulleys is reduced, more rope outlet length is obtained, and an AR winch is additionally arranged on the shipboard side and a large-capacity roller is arranged.

Changing the rope threading mode of the floating crane ship lifting hook, reducing the rope threading quantity of the pulleys can improve the submergence depth of the hook head, but the lifting capacity of the lifting hook is sacrificed, and the floating crane ship lifting hook is limited by the capacity of the roller and cannot adapt to the submarine operation in a deepwater area; the AR winch is additionally arranged on the shipboard side, the high-capacity roller is equipped, the construction cost is high, and the construction cost is limited by the capability of the winch, so that the method is only suitable for underwater installation of small-sized structures.

Therefore, there is a need to design a deep water hoisting device to solve the above-mentioned problem that the deep water hoisting device cannot adapt to the submarine operation in the deep water area.

Disclosure of Invention

In order to solve the technical problem that the deep water area seabed operation cannot be adapted in the background art, the deep water hoisting device is provided, so that the problem of deep water hoisting is solved.

In order to achieve the above purpose, the specific technical scheme of the deepwater hoisting device of the invention is as follows:

The deepwater hoisting device comprises a first hoisting beam, a second hoisting beam, a hoisting arm and a deck, wherein a hoisting beam storage area and a sling storage area are arranged on the deck, two ends of the first hoisting beam and two ends of the second hoisting beam are respectively connected by a first sling and a second sling, the first hoisting beam is connected with the hoisting arm through a third sling, the hoisting arm hoistes the first hoisting beam and the second hoisting beam so that the second hoisting beam is placed on a hanging buckle on the deck, the first hoisting beam is separated from the second hoisting beam, the first hoisting beam is connected with a plurality of third hoisting beams so that the third hoisting beams are connected with the second hoisting beam, and the third hoisting beams are sequentially placed on the hanging buckle, and the second hoisting beam is connected with a hoisted object through a fourth sling and a fifth sling so as to lower the hoisted object to the seabed.

Further, the hanging beam body both sides of first hanging beam and second hanging beam all are equipped with symmetrical inboard notch and outside notch, and first hanging beam both ends outside notch is connected through first hoist cable and second hoist cable respectively with the inboard notch in second hanging beam both ends.

Further, the inner side notch and the outer side notch at two ends of the hanging beam body are formed by arranging three identical lug plates at intervals.

Further, be equipped with a plurality of pinholes on the otic placode, adjacent otic placode pin hole corresponds the setting, and the pin passes the pinhole of adjacent otic placode to make first hoist cable and second hoist cable respectively with inboard notch and outside notch stable connection.

Further, hang knot interval setting in deck one side, hang knot one side and deck fixed connection, hang knot one side of keeping away from the deck and stretch out the deck to make the second hanging beam hang and put on hanging knot.

Further, a groove is formed in one side, extending out of the deck, of the hanging buckle, and an opening of the groove is upward, so that the second hanging beam is hung in the groove.

Further, a notch is arranged on one side of the hanging buckle groove and extends to one side of the deck, so that the second hanging beam is hung to one side of the deck.

Further, the lifting arm is rotatably arranged on the floating crane ship, the lifting arm is provided with a lifting hook, the notches at the inner sides of the two ends of the first lifting beam are connected with a third sling, and the lifting hook lifts the third sling so that the first lifting beam moves among the lifting beam storage area, the sling storage area and the hanging buckle.

A construction method of a deepwater hoisting device mainly comprises the following steps:

S1, a lifting hook for lifting a boom is connected with a first lifting beam through a third sling, and two ends of the third sling are connected with two ends of the first lifting beam;

S2, lifting a first lifting beam by a lifting arm, and taking a first sling and a second sling from a deck sling storage area, wherein the first sling and the second sling are respectively connected with two ends of the first lifting beam;

S3, lifting the first lifting beam and the first sling and the second sling which are connected with the two ends to a lifting beam storage area, wherein one ends of the first sling and the second sling, which are far away from the first lifting beam, are connected with the two ends of the second lifting beam;

S4, the lifting arm lifts the first lifting beam and the second lifting beam, and the fourth lifting cable and the fifth lifting cable are taken from the lifting cable storage area and connected with two ends of the second lifting beam;

s5, the lifting arm lifts the first lifting beam and the second lifting beam to the position above the object to be lifted, and one ends of the fourth sling and the fifth sling, which are far away from the second lifting beam, are connected with the object to be lifted;

s6, placing the second hanging beam on the hanging buckle, and taking down the first sling and the second sling which are connected with the two ends of the second hanging beam;

S7, lifting the first lifting beam, the first sling and the second sling by the lifting arm, moving the first sling and the second sling to a sling storage area, and connecting one ends of the first sling and the second sling, which are far away from the first lifting beam, with two ends of the third lifting beam;

s8, the lifting arm lifts the first lifting beam and the third lifting beam, and the sixth lifting rope and the seventh lifting rope are taken from the lifting rope storage area to be connected with two ends of the third lifting beam;

S9, the first hanging beam and the third hanging beam are hung by the hanging arm, and one end, far away from the third hanging beam, of the sixth sling and the seventh sling is connected with two ends of the second hanging beam;

s10, the first hanging beam and the third hanging beam are hung by the hanging arm, so that the second hanging beam is separated from the hanging buckle, and the third hanging beam is arranged on the hanging buckle to descend the hung object to the seabed.

Further, pin holes on lug plates at two sides of inner side notches and outer side notches at two ends of the first hanging beam and the third hanging beam are inserted with pins so as to prevent the sling from falling off.

The deepwater hoisting device and the construction method thereof have the following advantages:

The lifting beam is hung at the hanging buckle through the lifting arm, so that the object to be lifted is lifted on the seabed in place, and the lifted sling and the lifting beam can be recycled after being recovered, thereby saving resources. The lifting beams are connected through the lifting rope, so that the device is suitable for different sea depths, flexible adjustment of the length of the lifting rope is performed, and the engineering problem that the deepwater seabed suspended object is in place is solved.

Drawings

FIG. 1 is a front view of the deepwater hoisting apparatus of the present invention;

FIG. 2 is a top view of the deepwater hoisting device of the invention;

FIG. 3 is a perspective view of the hanging buckle of the deepwater hoisting device of the invention;

FIG. 4 is a perspective view of a lifting beam of the deepwater lifting device of the present invention;

Fig. 5 is a front view of a lifting beam of the deepwater lifting device according to the invention.

The figure indicates:

1. Lifting the boom; 2. a deck; 3. a first hanging beam; 4. a second hanging beam; 5. a third hanging beam; 6. a hanging beam storage area; 7. a sling storage area; 8. a first sling; 9. a second sling; 10. a third sling; 11. a fourth sling; 12. a fifth sling; 13. a sixth sling; 14. a seventh sling; 15. hanging buckle; 16. a suspended object; 17. a hanging beam body; 18. ear plates; 19. a pin hole; 20. a pin; 21. and (5) floating the ship.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.

Those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

The deepwater hoisting device of the invention is described below with reference to fig. 1 to 5.

As shown in fig. 1 and 2, the deepwater hoisting device in the invention comprises a first hoisting beam 3, a second hoisting beam 4, a hoisting arm 1 and a deck 2, wherein a hoisting beam storage area 6 and a hoisting cable storage area 7 are arranged on the deck 2, two ends of the first hoisting beam 3 and the second hoisting beam 4 are respectively connected by a first hoisting cable 8 and a second hoisting cable 9, the first hoisting beam 3 is connected with the hoisting arm 1 through a third hoisting cable 10, the hoisting arm 1 hoistes the first hoisting beam 3 and the second hoisting beam 4 so as to enable the second hoisting beam 4 to be placed on a hanging buckle 15 on the deck 2, the first hoisting beam 3 is separated from the second hoisting beam 4, the first hoisting beam 3 is connected with a plurality of third hoisting beams 5 so as to enable the plurality of third hoisting beams 5 to be connected with the second hoisting beam 4, and the plurality of third hoisting beams 5 are sequentially placed on the hanging buckle 15, and the second hoisting beam 4 is connected with a hoisted object 16 through a fourth hoisting cable 11 and a fifth hoisting cable 12 so as to enable the hoisted object 16 to descend to the seabed. The device can hoist the hanging beam at the hanging buckle 15 through the lifting arm 1, realize the in-situ hoisting of the seabed of the hoisted object 16, and the hoisted sling and the hanging beam can be recycled after being recovered, thereby saving resources. The lifting beams are connected through the lifting rope, so that the device is suitable for different sea depths, flexible adjustment of the length of the lifting rope is performed, and the engineering problem that the deepwater seabed suspended object is in place is solved.

Further, as shown in fig. 1 and 5, symmetrical inner side slots and symmetrical outer side slots are formed on two sides of the hanging beam body 17 of the first hanging beam 3 and the second hanging beam 4, and the outer side slots at two ends of the first hanging beam 3 are connected with the inner side slots at two ends of the second hanging beam 4 through a first sling 8 and a second sling 9 respectively; the inner side notch and the outer side notch at the two ends of the hanging beam body 17 are formed by arranging three identical lug plates 18 at intervals; the ear plates 18 are provided with a plurality of pin holes 19, the pin holes 19 of the adjacent ear plates 18 are correspondingly arranged, and the pins 20 penetrate through the pin holes 19 of the adjacent ear plates 18, so that the first sling 8 and the second sling 9 are respectively and stably connected with the inner notch and the outer notch. In this embodiment, the first hanging beam 3 and the second hanging beam 4 are of the same structure, and each hanging beam body 17 and a plurality of lugs 18 are formed, the two ends of the hanging beam body 17 are respectively provided with symmetrical inner side notches and outer side notches through the lugs 18 arranged at intervals, the spacing between the inner side notches and the outer side notches are the same, so that the first hanging rope 8 and the second hanging rope 9 are connected with the outer side notches at two ends of the first hanging beam 3, and the first hanging rope 8 and the second hanging rope 9 are far away from one end of the first hanging beam 3 and connected with the inner side notches at two ends of the second hanging beam 4.

The ear plates 18 are uniformly provided with a plurality of pin holes 19, the pin holes 19 on the adjacent ear plates 18 are in one-to-one correspondence, and when the two ends of the first sling 8 and the second sling 9 are connected with the inner side notch and the outer side notch, the pin 20 is inserted into the pin holes 19, so that when the first sling 8 and the second sling 9 are connected with the inner side notch and the outer side notch, the first sling 8 and the second sling 9 are prevented from being separated from the inner side notch and the outer side notch, and the hoisting stability is ensured.

Further, as shown in fig. 3, the hanging buckles 15 are arranged at intervals on one side of the deck 2, one side of each hanging buckle 15 is fixedly connected with the deck 2, and one side of each hanging buckle 15, away from the deck 2, extends out of the deck 2 so that the second hanging beam 4 is hung on each hanging buckle 15; a groove is formed in one side of the hanging buckle 15 extending out of the deck 2, and an opening of the groove is upward, so that the second hanging beam 4 is hung and placed in the groove; a notch is arranged on one side of the groove of the hanging buckle 15 and extends to one side of the deck 2 so that the second hanging beam 4 is hung up to one side of the deck 2.

In this embodiment, a plurality of hanging buckles 15 are arranged on the deck 2 at intervals, the hanging buckles 15 are uniformly distributed, and the horizontal heights are kept consistent. One end of the hanging buckle 15 is fixedly connected with the deck 2, the other end of the hanging buckle extends out of the deck 2, a groove is formed in one end of the hanging buckle 2, the groove is annular with an upward opening, the outer shape of the hanging beam body 17 is matched, and the hanging beam body 17 is stably placed in the groove. The hanging buckle 15 body on one side of the groove close to the deck 2 is provided with a notch, the opening direction of the notch extends to one side of the deck 2, so that the second hanging beam 4 is hung along one side of the deck 2, and the notch can prevent the second hanging beam 4 from releasing and separating when being hung upwards, thereby playing a blocking role on the second hanging beam 4.

Further, as shown in fig. 1 and 4, the lifting arm 1 is rotatably disposed on the floating vessel 21, the lifting arm 1 is provided with a hook, the notches on the inner sides of the two ends of the first lifting beam 3 are connected with the third sling 10, and the hook lifts the third sling 10 to move the first lifting beam 3 between the lifting beam storage area 6, the sling storage area 7 and the hanging buckle 15. In this embodiment, the notches on the inner sides of the two ends of the first hanging beam 3 are connected with the two ends of the third hanging rope 10, and the hook for lifting the hanging arm 1 hangs the third hanging rope 10 so as to lift the first hanging beam 3. The lifting arm 1 is rotatably arranged on the floating crane 21 so that the first lifting beam 3 moves to the lifting beam storage area 6 and the lifting cable storage area 7 to add lifting cables and lifting beams; moving to the upper part of the hanging buckle 15, and hanging the hanging beam placed on the hanging buckle 15. The hanging beam and the sling can be recycled, so that the resources are saved, and the construction cost is reduced. The lifting hook for lifting the boom 1 completes the in-situ installation of the submarine structure above the water surface, so that the lifting hook is ensured not to enter water and the capability is not reduced.

The application also provides a construction method of the deepwater hoisting device, which mainly comprises the following steps of;

s1, a lifting hook of a lifting arm 1 is connected with a first lifting beam 3 through a third sling 10, and two ends of the third sling 10 are connected with a notch on the inner side of the first lifting beam 3;

s2, lifting the first lifting beam 3 by the lifting arm 1, taking the first sling 8 and the second sling 9 from the sling storage area 7 of the deck 2, wherein the first sling 8 and the second sling 9 are respectively connected with the notch at the outer side of the first lifting beam 3;

s3, lifting the first lifting beam 3 and the first lifting rope 8 and the second lifting rope 9 which are connected with the two ends to the lifting beam storage area 6, wherein one end, far away from the first lifting beam 3, of the first lifting rope 8 and the second lifting rope 9 is connected with an inner side notch of the second lifting beam 4;

S4, lifting the first lifting beam 3 and the second lifting beam 4 by the lifting arm 1, and taking the fourth lifting rope 11 and the fifth lifting rope 12 from the lifting rope storage area 7 to be connected with the notch at the outer side of the second lifting beam 4;

s5, lifting the first lifting beam 3 and the second lifting beam 4 to the upper part of the hung object 16 by the lifting arm 1, and connecting one ends of the fourth sling 11 and the fifth sling 12, which are far away from the second lifting beam 4, with the hung object 16;

s6, lifting the first lifting beam 3 and the second lifting beam 4 by the lifting arm 1, rotating the lifting arm 1, placing the second lifting beam 4 on the hanging buckle 15, and taking down the first sling 8 and the second sling 9 connected with the notch at the inner side of the second lifting beam 4;

S7, the lifting arm 1 lifts the first lifting beam 3, the first sling 8 and the second sling 9, and moves to the sling storage area 7, and one end, away from the first lifting beam 3, of the first sling 8 and the second sling 9 is connected with the notch at the inner side of the third lifting beam 5;

S8, lifting the first lifting beam 3 and the third lifting beam 5 by the lifting arm 1, and taking the sixth lifting rope 13 and the seventh lifting rope 14 from the lifting rope storage area 7 to be connected with the notch at the outer side of the two ends of the third lifting beam 5;

s9, lifting the first lifting beam 3 and the third lifting beam 5 by the lifting arm 1, and connecting one end, far away from the third lifting beam 5, of the sixth sling 13 and the seventh sling 14 with a notch on the inner side of the second lifting beam 4;

S10, the lifting arm 1 lifts the first lifting beam 3 and the third lifting beam 5 so as to enable the second lifting beam 4 to be separated from the hanging buckle 15, and the third lifting beam 5 is placed on the hanging buckle 15 so as to lower the hung object 16 to the seabed.

Finally, the ROV robot assists the second hanging beam 4 to separate from the hung object 16 on the seabed, the hanging arm 1 gradually recovers the hanging beam and the sling upwards, and the hanging of the hung object on the seabed is completed.

Further, as shown in fig. 5, pin holes 19 on lugs on both sides of the inner and outer side notches at both ends of the first and third hanger beams 3 and 5 are inserted with pins 20 to prevent falling of slings. In this embodiment, the plurality of third hanging beams 5 are sequentially connected, and the pin holes 19 of the lug plates 18 at both ends are inserted into the pins 20, so that the plurality of third hanging beams 5 are stably connected through slings.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (10)

1. The deepwater hoisting device is characterized by comprising a first hoisting beam, a second hoisting beam, a hoisting arm and a deck, wherein a hoisting beam storage area and a sling storage area are arranged on the deck, two ends of the first hoisting beam and two ends of the second hoisting beam are respectively connected by a first sling and a second sling, the first hoisting beam is connected with the hoisting arm through a third sling, the hoisting arm hoistes the first hoisting beam and the second hoisting beam, the second hoisting beam is placed on a hanging buckle on the deck, the first hoisting beam is separated from the second hoisting beam, the first hoisting beam is connected with a plurality of third hoisting beams, the third hoisting beams are connected with the second hoisting beam, the third hoisting beams are sequentially placed on the hanging buckle, and the second hoisting beam is connected with a hoisted object through a fourth sling and a fifth sling, so that the hoisted object descends to the seabed.

2. The deepwater hoisting device according to claim 1, wherein the two sides of the hoisting beam body of the first hoisting beam and the two sides of the hoisting beam body of the second hoisting beam are respectively provided with symmetrical inner side notches and outer side notches, and the outer side notches at two ends of the first hoisting beam are respectively connected with the inner side notches at two ends of the second hoisting beam through a first sling and a second sling.

3. The deepwater hoisting device according to claim 2, wherein the inner side notch and the outer side notch at the two ends of the hoisting beam body are formed by three identical lug plates at intervals.

4. A deepwater hoisting device according to claim 3, wherein the ear plates are provided with a plurality of pin holes, and the pin holes of adjacent ear plates are correspondingly arranged, and the pins penetrate through the pin holes of the adjacent ear plates so that the first sling and the second sling are respectively and stably connected with the inner notch and the outer notch.

5. The deepwater hoisting device of claim 1, wherein the hanging buckles are arranged at intervals on one side of the deck, one side of the hanging buckles is fixedly connected with the deck, and one side of the hanging buckles away from the deck extends out of the deck so that the second hanging beam is hoisted on the hanging buckles.

6. The deepwater hoisting device according to claim 5, wherein the side of the suspension buckle extending out of the deck is provided with a groove, and the groove is opened upwards so that the second hoisting beam is hoisted in the groove.

7. The deepwater hoisting device according to claim 6, wherein the hooking recess is provided with a notch on one side, the notch extending towards the deck side for hoisting the second hoisting beam towards the deck side.

8. The deepwater hoisting device according to claim 1, wherein the hoisting arm is rotatably arranged on the floating crane vessel, the hoisting arm is provided with a lifting hook, the notches at the inner sides of the two ends of the first hoisting beam are connected with a third hoisting rope, and the lifting hook hoistes the third hoisting rope so as to enable the first hoisting beam to move among the hoisting beam storage area, the hoisting rope storage area and the hanging buckle.

9. The construction method of the deepwater hoisting device is characterized by mainly comprising the following steps of:

S1, a lifting hook for lifting a boom is connected with a first lifting beam through a third sling, and two ends of the third sling are connected with two ends of the first lifting beam;

S2, lifting a first lifting beam by a lifting arm, and taking a first sling and a second sling from a deck sling storage area, wherein the first sling and the second sling are respectively connected with two ends of the first lifting beam;

S3, lifting the first lifting beam and the first sling and the second sling which are connected with the two ends to a lifting beam storage area, wherein one ends of the first sling and the second sling, which are far away from the first lifting beam, are connected with the two ends of the second lifting beam;

S4, the lifting arm lifts the first lifting beam and the second lifting beam, and the fourth lifting cable and the fifth lifting cable are taken from the lifting cable storage area and connected with two ends of the second lifting beam;

s5, the lifting arm lifts the first lifting beam and the second lifting beam to the position above the object to be lifted, and one ends of the fourth sling and the fifth sling, which are far away from the second lifting beam, are connected with the object to be lifted;

s6, placing the second hanging beam on the hanging buckle, and taking down the first sling and the second sling which are connected with the two ends of the second hanging beam;

S7, lifting the first lifting beam, the first sling and the second sling by the lifting arm, moving the first sling and the second sling to a sling storage area, and connecting one ends of the first sling and the second sling, which are far away from the first lifting beam, with two ends of the third lifting beam;

s8, the lifting arm lifts the first lifting beam and the third lifting beam, and the sixth lifting rope and the seventh lifting rope are taken from the lifting rope storage area to be connected with two ends of the third lifting beam;

S9, the first hanging beam and the third hanging beam are hung by the hanging arm, and one end, far away from the third hanging beam, of the sixth sling and the seventh sling is connected with two ends of the second hanging beam;

s10, the first hanging beam and the third hanging beam are hung by the hanging arm, so that the second hanging beam is separated from the hanging buckle, and the third hanging beam is arranged on the hanging buckle to descend the hung object to the seabed.

10. The construction method of the deepwater hoisting device according to claim 9, wherein pin holes on lug plates at both inner side notches and outer side notches of both ends of the first hoisting beam and the third hoisting beam are inserted with pins to prevent the hoisting ropes from falling off.