Ocean engineering drilling riser mounting device

By designing a combined structure of support rings and connecting plates, the riser connection and other parts are supported, solving the problem of high wear at the riser connection and improving the stability and service life of the riser.

CN223689652UActive Publication Date: 2025-12-19NANJING JIUZHI EQUIP TECH CO LTD
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Patent Information

Application Number
CN202520349019.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2025-12-19
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

In existing technologies, riser connections experience significant wear under external pressure, which affects their service life.

Method used

A marine engineering drilling riser installation device, including a first support ring and a second support ring, is adopted. Through the combined design of guide rails, movable plates, fixed rods and connecting plates, the connection points and other parts of the riser are supported. The distance of the connecting plates is adjusted by the movement of the extension plate in the cavity, thereby enhancing stability.

Benefits of technology

It improves the stability of the riser connection, reduces the wear and tear on the riser caused by external pressure, and extends its service life.

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Abstract

The utility model discloses an ocean engineering drilling riser installation device, and relates to the technical field of riser installation. The device comprises a first supporting ring and a second supporting ring, symmetrically-distributed guide rails are fixedly installed on the outer side of the first supporting ring and the outer side of the second supporting ring, the outer sides of the guide rails are movably sleeved with movable plates, and a first supporting pipe is fixedly installed at one end of each movable plate; first fixing holes are formed in the four corners of the first supporting pipe correspondingly, two sets of symmetrically-distributed fixing rods are fixedly installed on the outer side of the first supporting ring and the outer side of the second supporting ring correspondingly, and the outer sides of the fixing rods are movably sleeved with moving plates. Through the arrangement of the first supporting pipe and the second supporting pipe, the connecting position and other parts of the vertical pipe can be supported, the stability of the vertical pipe is improved, pressure borne by the outside is reduced, and the service life of the vertical pipe is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vertical pipe installation, specifically to a marine engineering drilling vertical pipe installation device. BACKGROUND

[0002] The vertical pipe in marine engineering is a key pipeline for connecting offshore floating facilities and a wellhead on the seabed; the vertical pipe usually has an elongated flexible structure, the length of which can be from tens of meters to thousands of meters, and the diameter is generally about 20 to 30 centimeters; the material of the vertical pipe can be a rigid pipe or a flexible pipe, wherein the rigid pipe includes a carbon steel pipe and a titanium alloy pipe, and the flexible pipe is composed of metal and polymer and has the characteristics of easy bending and easy laying.

[0003] The vertical pipe in the prior art has poor stability at the connection part compared to other parts, and when the connection part of the vertical pipe is subjected to external pressure, it is greatly abraded, which affects the service life. UTILITY MODEL CONTENT

[0004] In order to solve the problem of great abrasion of the vertical pipe connection part when subjected to external pressure, the utility model aims to provide a marine engineering drilling vertical pipe installation device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a marine engineering drilling vertical pipe installation device, comprising a first support ring and a second support ring, the outer sides of the first support ring and the second support ring are fixedly provided with symmetrically distributed guide rails, the outer sides of the guide rails are movably provided with movable plates, one end of each movable plate is fixedly provided with a first support pipe, the four corners of the first support pipe are provided with first fixing holes, the outer sides of the first support ring and the second support ring are fixedly provided with two groups of symmetrically distributed fixing rods, the outer sides of the fixing rods are movably provided with moving plates, the side of each moving plate away from the fixing rod is movably connected with a first connecting plate, the side of the first connecting plate away from the moving plate is provided with a second connecting plate, the lower side of the second connecting plate is provided with a second support pipe, the four corners of the second support pipe are fixedly provided with second fixing holes, the top of the second support pipe is fixedly provided with symmetrically distributed support plates, and the other end of the second connecting plate is movably connected with the support plates.

[0006] Preferably, the inside of the first connecting plate is provided with a cavity, the side of the second connecting plate close to the first connecting plate is fixedly provided with an extension plate, the extension plate is located in the cavity, the two sides of the extension plate are integrally formed with clamping blocks, and the outer side of the first connecting plate is provided with uniformly distributed third fixing holes.

[0007] Compared with the prior art, the utility model has the beneficial effects that:

[0008] 1、The first support pipe and the second support pipe are arranged, the connection part and other parts of the stand pipe can be supported, the stability is improved, the pressure received from the outside is reduced, and the service life is prolonged;

[0009] 2、The extension plate is arranged, the extension plate can move in the cavity, the distance of the second connecting plate is prolonged, and adjustment according to the needs of workers is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0011] Figure 1 It is a schematic diagram of the overall structure in the present application.

[0012] Figure 2 It is a schematic diagram of the structure of the first support pipe in the present application.

[0013] Figure 3 It is a schematic diagram of the structure of the second support pipe in the present application.

[0014] Figure 4 It is a schematic diagram of the structure of the extension plate in the present application.

[0015] Figure 5 It is a schematic diagram of the structure inside the first support ring and the second support ring in the present application.

[0016] In the figure: 1, the first support ring; 11, the second support ring; 12, the guide rail; 13, the movable plate; 14, the first support pipe; 15, the first fixed hole; 16, the fixed rod; 17, the moving plate; 18, the first connecting plate; 19, the second connecting plate; 191, the second support pipe; 192, the second fixed hole; 193, the support plate; 2, the cavity; 21, the extension plate; 22, the clamping block; 23, the third fixed hole; 3, the mounting plate; 4, the insertion rod; 5, the stabilizing rod; 51, the positioning rod; 6, the protective pad; 7, the clamping plate; 71, the hollow groove; 8, the connecting rod. DETAILED DESCRIPTION

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example: Figures 1-5 As shown, this utility model provides a marine engineering drilling riser installation device, including a first support ring 1 and a second support ring 11. Symmetrically distributed guide rails 12 are fixedly installed on the outer sides of both the first and second support rings 11. A movable plate 13 is movably sleeved on the outer side of each guide rail 12. A first support pipe 14 is fixedly installed at one end of the movable plate 13. First fixing holes 15 are provided at the four corners of the first support pipe 14. Two sets of symmetrically distributed fixing rods 16 are fixedly installed on the outer sides of both the first and second support rings 11. A movable plate 17 is movably sleeved on the outer side of the fixed rod 16. A first connecting plate 18 is movably connected to the side of the movable plate 17 away from the fixed rod 16. A second connecting plate 19 is provided on the side of the first connecting plate 18 away from the movable plate 17. A second support tube 191 is provided below the second connecting plate 19. A second fixing hole 192 is fixedly installed at each of the four corners of the second support tube 191. A symmetrically distributed support plate 193 is fixedly installed on the top of the second support tube 191. The other end of the second connecting plate 19 is movably connected to the support plate 193.

[0019] The first connecting plate 18 has a cavity 2 inside. The second connecting plate 19 has an extension plate 21 fixedly installed on the side close to the first connecting plate 18. The extension plate 21 is located inside the cavity 2. Both sides of the extension plate 21 are integrally formed with a locking block 22. The outer side of the first connecting plate 18 has evenly distributed third fixing holes 23.

[0020] Two sets of symmetrically distributed mounting plates 3 are fixedly installed on the outer sides of both the first support ring 1 and the second support ring 11. The fixing rod 16 is fixedly connected to the mounting plate 3. By setting the mounting plate 3, the fixing rod 16 can be supported, thereby improving its stability.

[0021] The first support ring 1 has a ring-shaped set of insert rods 4 fixedly installed inside it. The insert rods 4 pass through the second support ring 11. By setting the insert rods 4, it is convenient to fix the first support ring 1 and the second support ring 11.

[0022] The first support ring 1 has symmetrically distributed stabilizing rods 5 fixedly installed inside, and the second support ring 11 has symmetrically distributed positioning rods 51 fixedly installed inside. The positioning rods 51 and the stabilizing rods 5 work together to prevent the positions of the first support ring 1 and the second support ring 11 from shifting, thereby increasing their docking speed.

[0023] The inner part of the first supporting pipe 14 and the second supporting pipe 191 is fixedly installed with a protective pad 6 made of flexible material, which reduces the damage to the stand pipe and improves the service life thereof.

[0024] The inner part of the movable plate 13 is fixedly installed with symmetrically distributed clamping plates 7, and the outer side of the guide rail 12 is provided with symmetrically distributed air slots 71, the clamping plates 7 are movably clamped in the air slots 71, and the clamping plates 7 and the air slots 71 improve the stability of the movable plate 13 during movement.

[0025] The side of the moving plate 17 and the opposite side of the two supporting plates 193 are fixedly penetrated with connecting rods 8, and the two connecting rods 8 movably penetrate the first connecting plate 18 and the second connecting plate 19, respectively, and the connecting rods 8 enable the first connecting plate 18 and the second connecting plate 19 to rotate.

[0026] Working principle: in actual use, the two stand pipes are respectively penetrated through the first supporting ring 1 and the second supporting ring 11, then the two stand pipes are connected through the flange plate, so that the flange plate is located inside the first supporting ring 1 and the second supporting ring 11, then the two movable plates 13 outside the first supporting ring 1 and the second supporting ring 11 are moved, so that the two movable plates 13 drive the respective fixedly connected first supporting pipes 14 to move towards each other until they are attached to the stand pipe, then the two first supporting pipes 14 are fixed through the fixing screws, so as to support the connection of the stand pipe, then the two first connecting plates 18 outside the first supporting ring 1 and the second supporting ring 11 are rotated, the first connecting plate 18 drives the second connecting plate 19 to rotate, the second connecting plate 19 drives the second supporting pipe 191 to move towards the stand pipe until it is attached to the stand pipe, then the second supporting pipe 191 is fixed through the fixing screws, so as to support other parts of the stand pipe; the extension plate 21 is arranged to enable the extension plate 21 to move in the cavity 2, thereby extending the distance of the second connecting plate 19, when the second connecting plate 19 is moved to the appropriate position, the fixing screw is penetrated through the third fixing hole 23 to fix the clamping block 22.

[0027] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. An offshore engineering drilling riser installation apparatus comprising a first support ring (1) and a second support ring (11), characterised in that: The outer side of the first support ring (1) and the second support ring (11) is fixedly installed with symmetrically distributed guide rails (12), the outer side of the guide rail (12) is movably sleeved with a movable plate (13), one end of the movable plate (13) is fixedly installed with a first support pipe (14), the four corners of the first support pipe (14) are provided with first fixing holes (15), the outer side of the first support ring (1) and the second support ring (11) is fixedly installed with two groups of symmetrically distributed fixed rods (16), the outer side of the fixed rod (16) is movably sleeved with a moving plate (17), the side away from the fixed rod (16) of the moving plate (17) is movably connected with a first connecting plate (18), the side away from the moving plate (17) of the first connecting plate (18) is provided with a second connecting plate (19), the lower side of the second connecting plate (19) is provided with a second support pipe (191), the four corners of the second support pipe (191) are fixedly installed with second fixing holes (192), the top of the second support pipe (191) is fixedly installed with symmetrically distributed support plates (193), the other end of the second connecting plate (19) and the support plate (193) are movably connected.

2. A marine drilling riser installation apparatus as claimed in claim 1, wherein, The inside of the first connecting plate (18) is provided with a cavity (2), the side close to the first connecting plate (18) of the second connecting plate (19) is fixedly installed with an extension plate (21), the extension plate (21) is located in the inside of the cavity (2), the two sides of the extension plate (21) are integrally formed with clamping blocks (22), the outer side of the first connecting plate (18) is provided with uniformly distributed third fixing holes (23).

3. A marine drilling riser installation apparatus as claimed in claim 1, wherein, The outer side of the first support ring (1) and the second support ring (11) is fixedly installed with two groups of symmetrically distributed mounting plates (3), the fixed rod (16) and the mounting plate (3) are fixedly connected.

4. A marine drilling riser installation apparatus as claimed in claim 3, wherein, The inside of the first support ring (1) is fixedly installed with annularly distributed insertion rods (4), the insertion rod (4) penetrates the second support ring (11).

5. A marine drilling riser installation apparatus as claimed in claim 4, wherein, The inside of the first support ring (1) is fixedly installed with symmetrically distributed stabilizing rods (5), the inside of the second support ring (11) is fixedly installed with symmetrically distributed positioning rods (51), the positioning rod (51) and the stabilizing rod (5) are used in cooperation.

6. A marine drilling riser installation apparatus as claimed in claim 1, wherein, The inside of the first support pipe (14) and the second support pipe (191) is fixedly installed with protective pads (6), the protective pad (6) is made of flexible material.

7. A marine drilling riser installation apparatus as claimed in claim 1, wherein, The inside of the movable plate (13) is fixedly installed with symmetrically distributed clamping plates (7), the outer side of the guide rail (12) is provided with symmetrically distributed grooves (71), the clamping plate (7) is movably clamped in the groove (71).

8. A marine drilling riser installation apparatus as claimed in claim 1, wherein, The side of the moving plate (17) and the opposite sides of the two support plates (193) are fixedly penetrated with connecting rods (8), the two connecting rods (8) movably penetrate the first connecting plate (18) and the second connecting plate (19) respectively.