Large-pipe-diameter subsea pipe dragging device

Abstract

The utility model discloses a large-pipe-diameter subsea pipe dragging device which comprises a tensioner and a dragging plate, a caterpillar band is arranged on the tensioner, the dragging plate is arranged on the caterpillar band, the dragging plate is connected with a hanging belt, the end, away from the dragging plate, of the hanging belt is connected with a subsea pipe end socket, the subsea pipe end socket is arranged on a subsea pipe in a sleeved mode, and the caterpillar band is rotated. And the subsea pipeline moves towards the direction of the tensioner. The dragging plate of the large-pipe-diameter subsea pipe dragging device is designed according to the structural form of the tensioner crawler belt and can be tightly attached to the tensioner crawler belt, the dragging plate is connected with the hanging belt, the hanging belt is connected with the subsea pipe end socket, the tensioner drives the crawler belt to rotate, the large-pipe-diameter subsea pipe is driven by the dragging plate, and the large-pipe-diameter subsea pipe is dragged by the large-pipe-diameter subsea pipe dragging device. And the large-pipe-diameter subsea pipeline is dragged into the tensioner from a pipe stacking area of a working line, so that the purpose of transferring the large-pipe-diameter subsea pipeline is achieved, the working efficiency of transferring the large-pipe-diameter subsea pipeline is improved, the labor cost is saved, the ship using days are saved, and the construction cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of offshore oil engineering equipment, and in particular relates to a large-diameter sea pipe towing device. Background Art

[0002] During the prefabrication stage of the large-diameter submarine pipeline laying operation, the large-diameter submarine pipeline needs to be dragged from the pipe stacking area by the overhead crane with a fall chain into the tensioner, clamped by the tensioner to provide tension, and subsequently dragged by the tensioner to the hosting rack into place.

[0003] Due to the large diameter and heavy weight of large-diameter subsea pipelines, the process of transporting them from the pipe stacking area to the tensioner requires relying on an operating line crane and a fall chain to drag them. Dragging large-diameter subsea pipelines into the tensioner is difficult, risky, time-consuming, and wastes a lot of ship resources.

[0004] Therefore, it is urgent to design a large-diameter submarine pipeline towing device to solve the above-mentioned problem of difficulty in operating the large-diameter submarine pipeline to be dragged into the tensioner. Utility Model Content

[0005] In order to solve the technical problem mentioned in the background technology that it is difficult to drag a large diameter submarine pipe into a tensioner, a large diameter submarine pipe dragging device is provided to solve the problem that it is difficult to drag a large diameter submarine pipe into a tensioner.

[0006] In order to achieve the above-mentioned purpose, the specific technical scheme of the large-diameter submarine pipeline towing device of the utility model is as follows:

[0007] A large-diameter sea pipe towing device comprises a tensioner and a towing plate. The tensioner is provided with a crawler, the towing plate is arranged on the crawler, the towing plate is connected with a sling, the end of the sling away from the towing plate is connected with a sea pipe head, the sea pipe head is sleeved on the sea pipe, and the crawler is rotated to move the sea pipe toward the tensioner.

[0008] Furthermore, the traction plate includes a main board and a first connecting plate, the first connecting plate is arranged on the main board, a plurality of through holes are arranged on the main board, a plurality of screws respectively pass through the plurality of through holes and are screwed to the crawler track to fix the main board on the crawler track.

[0009] Furthermore, the sea pipe sealing head comprises a casing and a second connecting plate, the second connecting plate is arranged on the casing, and one end of the casing away from the second connecting plate is sleeved on the sea pipe.

[0010] Furthermore, a first clamping ring is provided at one end of the first connecting plate away from the main board, and a first hanging buckle is provided at one end of the first clamping ring away from the first connecting plate, so that the sling is connected to the first hanging buckle.

[0011] Furthermore, a second clamping ring is provided at one end of the second connecting plate away from the sleeve, and a second hook is provided at one end of the second clamping ring away from the second connecting plate, so that the end of the sling away from the first hook of the first connecting plate is connected to the second hook.

[0012] Furthermore, the sling is respectively sleeved on the first hook and the second hook, so that the crawler rotates to drive the sea pipe to move.

[0013] Furthermore, the first connecting plate is provided with a first bolt hole, the first clamping ring is provided with a second bolt hole, and the first bolt passes through the first bolt hole and the second bolt hole in sequence, so that the first clamping ring is rotatably arranged on the first connecting plate.

[0014] Furthermore, the second connecting plate is provided with a third bolt hole, the second clamp is provided with a fourth bolt hole, and the second bolt passes through the third bolt hole and the fourth bolt hole in sequence, so that the second clamp is rotatably arranged on the second connecting plate.

[0015] Furthermore, a reinforcement plate is symmetrically provided on one side of the main board away from the crawler track, and the reinforcement plate is welded to the main board.

[0016] Furthermore, the first connecting plate and the second connecting plate are rotatably provided with a first clamping ring and one end of the second clamping ring is arc-shaped.

[0017] The large-diameter submarine pipeline towing device of the utility model has the following advantages:

[0018] The towing plate is designed according to the structural form of the tensioner crawler and can fit tightly with the tensioner crawler. The towing plate is connected to the sling, and the sling is connected to the sea pipe head. The tensioner drives the crawler to rotate, and the large-diameter sea pipe is driven by the towing plate, and is dragged from the pipe stacking area of ​​the operation line to the tensioner, so as to achieve the purpose of transporting the large-diameter sea pipe, improve the work efficiency of transporting the large-diameter sea pipe, save labor costs, save ship days, and reduce construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a side view of the large-diameter submarine pipeline towing device of the utility model;

[0020] Figure 2 This is a connection diagram of the sling and the first clamp ring of the large-diameter submarine pipeline towing device of the utility model;

[0021] Figure 3 This is a connection diagram of the sling and the second clamp ring of the large-diameter sea pipe towing device of the utility model;

[0022] Figure 4 It is a stereoscopic view of a towing plate of a large-diameter submarine pipeline towing device of the utility model.

[0023] Description of the markings in the figure:

[0024] 1. Tensioner; 2. Track; 3. Lifting belt; 4. Subsea pipe; 5. Main board; 6. First connecting plate; 7. Through hole; 8. Casing; 9. Second connecting plate; 10. First clamping ring; 11. Second clamping ring; 12. First hook; 13. Second hook; 14. Reinforcement plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0026] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0027] Please refer to the attached Figure 1 To Attachment Figure 4 The utility model describes a large-diameter submarine pipeline towing device.

[0028] like Figure 1 As shown, the large-diameter sea pipe towing device in the utility model includes a tensioner 1 and a towing plate. The tensioner 1 is provided with a crawler 2, the towing plate is arranged on the crawler 2, the towing plate is connected with a sling 3, the end of the sling 3 away from the towing plate is connected with the sea pipe head, the sea pipe head is sleeved on the sea pipe 4, and the crawler 2 is rotated to move the sea pipe 4 toward the tensioner 1. The towing plate of the device is designed according to the structural form of the crawler 2 of the tensioner 1, and can be closely fitted with the crawler 2 of the tensioner 1. The towing plate is connected with the sling 3, and the sling 3 is connected with the sea pipe head. The tensioner 1 drives the crawler 2 to rotate, and drives the large-diameter sea pipe 4 through the towing plate, and drags it from the pipe stacking area of ​​the operation line to the tensioner 1, so as to achieve the purpose of transporting the large-diameter sea pipe 4, improve the work efficiency of transporting the large-diameter sea pipe 4, save labor costs, save ship days, and reduce construction costs.

[0029] Further, if Figure 1 and Figure 4As shown, the towing plate includes a main board 5 and a first connecting plate 6, the first connecting plate 6 is arranged on the main board 5, and a plurality of through holes 7 are provided on the main board 5, and a plurality of screws are respectively passed through the plurality of through holes 7 and screwed to the crawler 2, so that the main board 5 is fixed on the crawler 2; the sea pipe head includes a casing 8 and a second connecting plate 9, the second connecting plate 9 is arranged on the casing 8, and the end of the casing 8 away from the second connecting plate 9 is sleeved on the sea pipe 4; the first connecting plate 6 is provided with a first clamping ring 10 at the end away from the main board 5, and a first hanging buckle 12 is provided at the end of the first clamping ring 10 away from the first connecting plate 6, so that the sling 3 is connected to the first hanging buckle 12; the second connecting plate 9 is provided with a second clamping ring 11 at the end away from the casing 8, and a second hanging buckle 13 is provided at the end of the second clamping ring 11 away from the second connecting plate 9, so that the end of the sling 3 away from the first hanging buckle 12 of the first connecting plate 6 is connected to the second hanging buckle 13.

[0030] In this embodiment, the first connecting plate 6 is vertically welded on the main board 5, and a plurality of through holes 7 are evenly opened on the main board 5. A plurality of screws pass through the plurality of through holes 7 and are fixedly connected to the pads on the crawler 2, so that the main board 5 and the pads of the crawler 2 are closely fitted together; one end of the casing 8 is provided with an opening matching the pipe head of the sea pipe 4, and the other end is blocked, and the second connecting plate 9 is vertically welded to the blocked end of the casing 8. The first clamping ring 10 and the second clamping ring 11 are of the same structure. Preferably, the first clamping ring 10 and the second clamping ring 11 are annular, and the ports at both ends are provided with through holes. The first clamping ring 10 is provided with a through hole end connected to the first connecting plate 6, and the second clamping ring 11 is provided with a through hole end connected to the second connecting plate 9. The tops of the first clamping ring 10 and the second clamping ring 11 are respectively circular first hooks 12 and second hooks 13, and the sling 3 is respectively connected to the first hook 12 and the second hook 13, so that the sea pipe 4 follows the movement of the tensioner 1.

[0031] Further, if Figure 2 and Figure 3 As shown, the sling 3 is respectively sleeved on the first hook 12 and the second hook 13, so that the crawler 2 rotates, thereby driving the sea pipe 4 to move; the first connecting plate 6 is provided with a first bolt hole, the first clamp 10 is provided with a second bolt hole, the first bolt passes through the first bolt hole and the second bolt hole in sequence, so that the first clamp 10 is rotatably set on the first connecting plate 6; the second connecting plate 9 is provided with a third bolt hole, the second clamp 11 is provided with a fourth bolt hole, the second bolt passes through the third bolt hole and the fourth bolt hole in sequence, so that the second clamp 11 is rotatably set on the second connecting plate 9. In this embodiment, the sling 3 is respectively sleeved on the first hook 12 and the second hook 13, so that the sling 3 does not fall off, ensuring stable construction.

[0032] The first connecting plate 6 is provided with a first bolt hole, and the first clamping ring 10 end is symmetrically provided with a second bolt hole, and the symmetrical second bolt holes of the first clamping ring 10 are respectively arranged outside the first bolt hole, and the first bolt passes through the second bolt hole and the first bolt hole in sequence, and the two ends of the first bolt are respectively screwed with the first nut, so that the first clamping ring 10 is rotatably arranged on the first connecting plate 6; the second connecting plate 9 is provided with a third bolt hole, and the second clamping ring 11 end is symmetrically provided with a fourth bolt hole, and the symmetrical fourth bolt holes of the second clamping ring 11 are respectively arranged outside the second bolt hole, and the second bolt passes through the fourth bolt hole and the third bolt hole in sequence, and the two ends of the second bolt are respectively screwed with the second nut, so that the second clamping ring 11 is rotatably arranged on the second connecting plate 9, and the crawler 2 of the tensioner 1 drives the subsea pipe 4 to move toward it when it rotates, and the first clamping ring 10 and the second clamping ring 11 are rotatably arranged so that when the subsea pipe 4 moves toward the tensioner 1, the subsea pipe 4 is still guaranteed to move toward the tensioner 1 direction as the angle changes.

[0033] Further, if Figure 2 , Figure 3 and Figure 4 As shown, a reinforcing plate 14 is symmetrically provided on the side of the main board 5 away from the track 2, and the reinforcing plate 14 is welded to the main board 5; the first connecting plate 6 and the second connecting plate 9 are rotatably provided with a first snap ring 10 and a second snap ring 11, one end of which is arc-shaped. In this embodiment, two reinforcing plates 14 are symmetrically provided along the center line direction of the first connecting plate 6 on one side of the main board 5 welded with the first connecting plate 6, and the two reinforcing plates 14 are respectively welded to the main board 5, so that the overall rigid structure stability of the main board 5 is enhanced; the first connecting plate 6 and the second connecting plate 9 are provided with a first bolt hole and a third bolt hole, and one end is an arc, so that the first snap ring 10 and the second snap ring 11 are rotatably provided on the first bolt hole and the third bolt hole.

[0034] The working principle of the inner joint recovery device for laying sea pipes in the utility model is as follows:

[0035] The main board 5 is fixedly arranged on the crawler 2 of the tensioner 1, and the sleeve 8 is sleeved on the port of the subsea pipe 4. The first connecting plate 6 on the main board 2 and the second connecting plate 9 on the sleeve 8 are respectively rotatably provided with a first clamping ring 10 and a second clamping ring 11, and the first clamping ring 10 and the second clamping ring 11 are connected by the sling 3. The crawler 2 is rotated to make the first connecting plate 6 move with the crawler 2, and the first clamping ring 10 pulls the sling 3 to move, and the sling 3 drives the second clamping ring 11. The first clamping ring 10 and the second clamping ring 11 can rotate with the change of the moving distance, and the sleeve 8 connected with the second connecting plate 9 drives the subsea pipe 4 to move, so that the subsea pipe 4 is dragged from the pipe stacking area of ​​the working line to the tensioner 1.

[0036] Based on the inner joint recovery device for laying sea pipes, the utility model can closely fit with the track 2 of the tensioner 1 through the towing plate designed according to the structural form of the track 2 of the tensioner 1, the towing plate is connected with the sling 3, the sling 3 is connected with the sea pipe head, the tensioner 1 drives the track 2 to rotate, and drives the large-diameter sea pipe through the towing plate, and drags it from the pipe stacking area of ​​the operation line to the tensioner 1, so as to achieve the purpose of transporting the large-diameter sea pipe, improve the work efficiency of transporting the large-diameter sea pipe, save labor costs, save ship days, and reduce construction costs.

[0037] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A large diameter submarine pipeline towing device, characterized in that: It includes a tensioner and a towing plate. The tensioner is provided with a crawler, the towing plate is arranged on the crawler, the towing plate is connected with a sling, the end of the sling away from the towing plate is connected with a sea pipe head, the sea pipe head is sleeved on the sea pipe, and the crawler is rotated to move the sea pipe toward the tensioner.

2. The large diameter submarine pipeline towing device according to claim 1, characterized in that: The traction plate includes a main board and a first connecting plate. The first connecting plate is arranged on the main board. The main board is provided with a plurality of through holes. A plurality of screws pass through the plurality of through holes and are screwed to the crawler to fix the main board on the crawler.

3. The large diameter sea pipe towing device according to claim 1, characterized in that: The sea pipe sealing head comprises a casing and a second connecting plate. The second connecting plate is arranged on the casing, and one end of the casing away from the second connecting plate is sleeved on the sea pipe.

4. The large diameter sea pipe towing device according to claim 2, characterized in that: A first clamping ring is provided at one end of the first connecting plate away from the main board, and a first hanging buckle is provided at one end of the first clamping ring away from the first connecting plate, so that the sling is connected to the first hanging buckle.

5. The large diameter sea pipe towing device according to claim 3, characterized in that: A second clamping ring is provided at one end of the second connecting plate away from the sleeve, and a second hook is provided at one end of the second clamping ring away from the second connecting plate, so that the end of the sling away from the first hook of the first connecting plate is connected to the second hook.

6. The large diameter sea pipe towing device according to claim 5, characterized in that: The sling is respectively sleeved on the first hook and the second hook, so that the crawler belt rotates to drive the sea pipe to move.

7. The large diameter sea pipe towing device according to claim 4, characterized in that: The first connecting plate is provided with a first bolt hole, the first clamping ring is provided with a second bolt hole, and the first bolt passes through the first bolt hole and the second bolt hole in sequence, so that the first clamping ring is rotatably arranged on the first connecting plate.

8. The large diameter sea pipe towing device according to claim 5, characterized in that: The second connecting plate is provided with a third bolt hole, the second clamping ring is provided with a fourth bolt hole, and the second bolt passes through the third bolt hole and the fourth bolt hole in sequence, so that the second clamping ring is rotatably arranged on the second connecting plate.

9. The large diameter submarine pipeline towing device according to claim 4, characterized in that: A reinforcement plate is symmetrically arranged on one side of the main board away from the crawler track, and the reinforcement plate is welded to the main board.

10. The large diameter submarine pipeline towing device according to claim 8, characterized in that: The first connecting plate and the second connecting plate are rotatably provided with a first clamping ring and one end of the second clamping ring is arc-shaped.

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