An adjustable support mechanism for an oil production platform

Abstract

The present application relates to the technical field of oil production platform protection, and particularly relates to an adjustable supporting mechanism for an oil production platform, comprising an angle adjusting mechanism and a movable ring, the movable ring is slidably connected with a supporting leg of the platform, a float and a buffer assembly are arranged on the movable ring, the float enables the movable ring to rise and fall with the rise and fall of water level, the angle adjusting mechanism is used for adjusting the angle of the movable ring, so that the buffer assembly matches the direction of sea wave impact, the buffer assembly comprises a guide plate, a damping member and a buffer adjusting mechanism, the guide plate is connected with the movable ring through the damping member, and the buffer adjusting mechanism is used for adjusting the buffer capacity of the damping member, the present application enables the angle and buffer capacity of the buffer assembly to match the direction and impact force of sea wave, and ensures the stability of the oil production platform.

Description

Technical Field

[0001] This invention relates to the field of oil production platform protection technology, specifically to an adjustable support mechanism for oil production platforms. Background Technology

[0002] Oil production platforms are core facilities for offshore oil and gas resource development, primarily used for the exploration, extraction, production, and preliminary processing of oil and natural gas at sea. They support drilling equipment, production facilities, and personnel operating space through fixed or floating structures, safely and efficiently transporting seabed oil and gas resources to the surface or transport vehicles.

[0003] Conventional platforms often use wave deflectors or wave-blocking structures with fixed angles, which cannot be adjusted in real time according to the direction of the waves. When the direction of the wave impact does not match the guide plate, the impact protection effect is affected. Conventional platforms often use fixed elastic elements such as rubber pads and springs for cushioning, and the cushioning force is fixed. If the cushioning is insufficient, the support legs will still bear a large impact. If the cushioning is excessive, the rebound of the guide plate will aggravate the structural vibration. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing an adjustable support mechanism for oil production platforms. This mechanism matches the angle and buffering capacity of the buffer components with the direction and impact force of ocean waves, thereby ensuring the stability of the oil production platform.

[0005] To address the aforementioned technical problems, this invention provides an adjustable support mechanism for an oil production platform, comprising an angle adjustment mechanism and a movable ring. The movable ring is slidably connected to the platform's support legs. A float and a buffer assembly are mounted on the movable ring. The float causes the movable ring to rise and fall with the water level. The angle adjustment mechanism is used to adjust the angle of the movable ring so that the buffer assembly matches the direction of wave impact. The buffer assembly includes a guide plate, a vibration damper, and a buffer adjustment mechanism. The guide plate is connected to the movable ring via the vibration damper, and the buffer adjustment mechanism is used to adjust the buffering capacity of the vibration damper.

[0006] In some embodiments, two guide plates are provided, and the two guide plates are rotatably connected to the movable ring through the same rotating shaft. Strain gauges are provided at the included angle between the two guide plates, and the buffer adjustment mechanism adjusts the buffering capacity of the damping component according to the strain degree of the strain gauges.

[0007] In some embodiments, a rubber strip is provided at the included angle between the two guide plates, and the strain gauge is mounted on the rubber strip.

[0008] In some embodiments, the initial included angle between the two guide plates is forty-five degrees.

[0009] In some embodiments, a support plate is fixedly mounted on the movable ring, one end of the rotating shaft is fixedly connected to the support plate, a second round rod is fixedly mounted on the support plate, the second round rod is arranged parallel to the rotating shaft, a third gear is rotatably mounted on one end of the second round rod, the damping element includes a torsion spring, the torsion spring is sleeved on the second round rod, one end of the torsion spring is fixedly connected to the third gear, and rack plates are provided on opposite sides of the two guide plates, the rack plates meshing with the third gear.

[0010] In some embodiments, the rack plate is an arc-shaped plate with its center located on the rotating shaft.

[0011] In some embodiments, a push plate is slidably disposed on the second round rod, one end of the torsion spring is fixedly connected to the push plate, the buffer adjustment mechanism includes a second servo motor and a threaded rod, the second servo motor is mounted on a support plate, the output shaft of the second servo motor is fixedly connected to the threaded rod, the threaded rod is arranged parallel to the second round rod, the push plate is threadedly connected to the threaded rod, and the second servo motor controls the push plate to slide along the second round rod through the threaded rod, thereby adjusting the pitch of the torsion spring.

[0012] In some embodiments, a second guide rod is fixedly disposed on the support plate, the second guide rod is parallel to the second round rod, and the push plate is slidably connected to the second guide rod.

[0013] In some embodiments, the float is mounted on the movable ring at a position slightly below the center of the guide plate.

[0014] In some embodiments, the angle adjustment mechanism includes a first servo motor and a rotating ring. The rotating ring is rotatably mounted on a support leg. A first guide rod is provided on the rotating ring, and the first guide rod is parallel to the support leg. The movable ring and the rotating ring are slidably connected through the first guide rod. A first gear is provided on the rotating ring, and the first servo motor drives the rotating ring and the movable ring to rotate through the first gear.

[0015] The beneficial effects of this invention are as follows: 1. This invention, through the synergistic action of the angle adjustment mechanism and the floating body, enables the buffer assembly to actively align with the direction of incoming waves in the horizontal direction, while automatically rising and falling vertically with changes in water level. This ensures that the V-shaped guide plate always faces the waves in the optimal posture, significantly reducing the eccentric impact of waves on the support legs and improving the overall stability of the platform. Furthermore, by installing strain gauges between the two guide plates to monitor the deformation of the rubber strips in real time, the impact intensity of the waves is accurately sensed. Combined with the buffer adjustment mechanism, the pitch of the torsion spring is dynamically adjusted to change its stiffness, achieving real-time matching between the buffering capacity and the impact force of the waves. This avoids both insufficient buffering leading to overload of the support legs and excessive buffering causing structural rebound vibration.

[0016] 2. In this invention, the float is positioned in the lower middle part of the guide plate. The buoyancy of the float ensures that the waves always impact the middle area of ​​the guide plate, giving full play to the guiding advantage of the V-shaped structure. This allows the impact energy to be evenly transferred to the buffer element, reducing off-center load, further optimizing the buffering effect, and extending the service life of the mechanism. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an adjustable support mechanism for an oil production platform proposed in this invention. Figure 2 This is an isometric view of the support leg in this invention; Figure 3 This is an isometric view of the support leg in this invention from another perspective; Figure 4 This is a schematic diagram of the side cross-sectional structure of the second guide plate in this invention; Figure 5 This is a bottom view in this invention; Figure 6 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle; Figure 7 for Figure 3 Enlarged schematic diagram of the structure at point B; Figure 8 for Figure 4 Enlarged schematic diagram of the structure at point C; Figure 9 for Figure 4 Enlarged schematic diagram of the structure at point D; Figure 10 for Figure 4 Enlarged schematic diagram of the structure at point E in the middle; Figure 11 for Figure 5 Enlarged schematic diagram of the structure at point F.

[0018] Reference numerals: 1. Platform; 2. Support leg; 3. Rotating ring; 4. First gear; 5. Second gear; 6. Rotating rod; 7. Worm gear; 8. First servo motor; 9. Worm; 10. Protective box; 11. First guide rod; 12. First movable ring; 13. Connecting rod; 14. Second movable ring; 15. Floating plate; 16. Support plate; 17. First round rod; 18. First guide plate; 19. Second guide plate; 20. Rack plate; 21. Second round rod; 22. Third gear; 23. Torsion spring; 24. Second servo motor; 25. Threaded rod; 26. Second guide rod; 27. Push plate; 28. Rubber strip; 29. ​​Strain gauge. Detailed Implementation

[0019] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] like Figure 1 As shown, the present invention provides an adjustable support mechanism for an oil production platform, which is installed below the oil production platform (i.e., platform 1). It can automatically adjust its attitude and buffering performance according to the direction and intensity of the waves to minimize the impact of the waves on the platform structure. Multiple support legs 2 are fixedly installed at the bottom of platform 1, and each support leg 2 integrates a complete adjustable support mechanism for the oil production platform.

[0021] The adjustable support mechanism of the oil production platform includes a movable ring, which is movably sleeved on the support leg 2 and can move up and down along the support leg 2. The movable ring includes a first movable ring 12 and a second movable ring 14. A connecting rod 13 is fixedly connected between the first movable ring 12 and the second movable ring 14. A float (i.e., a floating plate 15, which is hollow inside) is fixedly installed on the second movable ring 14. The float causes the movable ring to rise and fall with the water level. A buffer component is installed on the movable ring to guide the impact of waves and reduce the impact of waves on the support leg 2.

[0022] To ensure that the buffer assembly can always guide the waves, an angle adjustment mechanism is installed on the support legs to adjust the horizontal direction of the buffer assembly.

[0023] like Figure 2 , 6 As shown, the angle adjustment mechanism includes a rotating ring 3, a first servo motor 8, a worm gear 7, a worm 9, and a transmission gear set. The rotating ring 3 is rotatably fitted onto the support leg 2, and a first gear 4 is fixed to its outer side. The rotating ring 3 is slidably connected to a first movable ring 12 via a first guide rod 11, that is, one end of the first guide rod 11 is fixedly connected to the rotating ring 3, and the other end of the first guide rod 11 is inserted into the first movable ring 12 and slidably connected to it. Figure 3 , 7 As shown, the first servo motor 8 is installed in the protective box 10 on the platform 1, and its output end is connected to the worm gear 9. The worm gear 9 meshes with the worm wheel 7 installed on the rotating rod 6, and the bottom of the rotating rod 6 is equipped with a second gear 5 that meshes with the first gear 4. When the first servo motor 8 is started, the power is transmitted sequentially through the worm gear 9, worm wheel 7, rotating rod 6, second gear 5 and first gear 4, ultimately driving the rotating ring 3, the first movable ring 12 and the second movable ring 14 to rotate around the support leg 2.

[0024] like Figure 9 As shown, a support plate 16 is fixed to the outer side of the first movable ring 12, such as... Figure 11As shown, the bottom of the support plate 16 is provided with a rotating shaft (i.e., the first round rod 17). A first guide plate 18 and a second guide plate 19 are rotatably mounted on the first round rod 17, with an initial included angle of 45 degrees between them, forming a V-shaped guide surface. To counteract the impact of sea waves, a damping component is provided; in this embodiment, a torsion spring 23 is used. Specifically, a second round rod 21 parallel to the first round rod 17 is also fixed on the support plate 16, and one end of the second round rod 21 is rotatably connected to a third gear 22. The torsion spring 23 is sleeved on the second round rod 21, and one end of it is fixedly connected to the third gear 22. Meanwhile, as... Figure 10 , 11 As shown, an arc-shaped rack plate 20 is fixed to the inner side (opposite side) of both the first guide plate 18 and the second guide plate 19. The center of the rack plate 20 is located on the axis of the first round rod 17 to ensure that it always maintains a good meshing state with the third gear 22. When the wave impacts the guide plate and causes it to rotate around the first round rod 17, the rack plate 20 drives the third gear 22 to rotate, thereby torturing the torsion spring 23 and converting the impact kinetic energy into the elastic potential energy of the torsion spring, thus achieving buffering.

[0025] To enable dynamic adjustment of the buffering capacity, a buffer adjustment mechanism is also included. For example... Figure 11 As shown, a rubber strip 28 is provided between the first guide plate 18 and the second guide plate 19 (at the included angle). Both ends of the rubber strip 28 are fixedly bonded to the first guide plate 18 and the second guide plate 19, respectively. Strain gauges 29 are installed on the rubber strip 28 to sense the degree of deformation, thereby indirectly measuring the impact force of the waves. Figure 9 As shown, a push plate 27 is slidably mounted on the second round rod 21, and the other end of the torsion spring 23 (the end not connected to the third gear 22) is fixedly connected to the push plate 27. The buffer adjustment mechanism includes a second servo motor 24 mounted on the support plate 16 and a threaded rod 25 driven by it. The push plate 27 is threadedly connected to the threaded rod 25. When the strain gauge 29 detects a change in impact force, it controls the second servo motor 24 to start, driving the threaded rod 25 to rotate, thereby causing the push plate 27 to move axially along the second round rod 21. The movement of the push plate 27 changes the pitch of the torsion spring 23, thereby changing its stiffness and achieving real-time matching between the buffer stiffness and the impact force of the waves. To ensure the stability of the movement of the push plate 27, a second guide rod 26 parallel to the second round rod 21 is fixedly mounted at the bottom of the support plate 16, and the push plate 27 slides in conjunction with the second guide rod 26.

[0026] like Figure 4 As shown, the second movable ring 14 and the floating plate 15 are located in the lower middle part of the first guide plate 18 and the second guide plate 19, so that the waves always impact the middle part of the first guide plate 18 and the second guide plate 19.

[0027] The working process of the adjustable support mechanism of the oil production platform is as follows: When waves arrive, the control system first activates the first servo motor 8, based on the wave direction (which can be monitored by a radar wave meter), to drive the rotating ring 3 to rotate. This aligns the V-shaped first guide plate 18 and second guide plate 19 with the wave direction, meaning the bisector of the angle between the first guide plate 18 and the second guide plate 19 is parallel to the opposite direction of the wave. Simultaneously, due to the action of the floating plate 15, the entire buffer assembly automatically adjusts with the sea level, ensuring that the waves primarily impact the central area of ​​the guide plates, reducing off-center loading.

[0028] When waves impact the guide plates, the first guide plate 18 and the second guide plate 19 rotate around the first circular rod 17 under force. This rotation drives the third gear 22 to rotate via the rack plate 20, causing the torsion spring 23 to twist and absorb the initial impact energy. Simultaneously, the rotation of the guide plates compresses the rubber strip 28 located between them. The deformation of the rubber strip 28 is sensed in real time by the strain gauge 29 and converted into an electrical signal. The control system determines the current impact intensity of the waves based on this signal and instructs the second servo motor 24 to operate, driving the push plate 27 to move and adjusting the stiffness of the torsion spring 23. If the impact force is large, the stiffness of the torsion spring is increased to provide stronger cushioning; if the impact force is small, the stiffness is decreased. This achieves adaptive and intelligent cushioning against wave impacts.

[0029] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included within the protection scope of the present invention.

Claims

1. An adjustable support mechanism for an oil production platform, characterized in that: The system includes an angle adjustment mechanism and a movable ring. The movable ring is slidably connected to the support leg (2) of the platform (1). A float and a buffer assembly are provided on the movable ring. The float causes the movable ring to rise and fall with the water level. The angle adjustment mechanism is used to adjust the angle of the movable ring so that the buffer assembly matches the direction of the wave impact. The buffer assembly includes a guide plate, a vibration damper, and a buffer adjustment mechanism. The guide plate is connected to the movable ring through the vibration damper. The buffer adjustment mechanism is used to adjust the buffering capacity of the vibration damper.

2. The adjustable support mechanism for an oil production platform according to claim 1, characterized in that: Two guide plates are provided, and the two guide plates are rotatably connected to the movable ring through the same rotating shaft. A strain gauge (29) is provided at the included angle between the two guide plates. The buffer adjustment mechanism adjusts the buffering capacity of the damping component according to the strain degree of the strain gauge (29).

3. The adjustable support mechanism for an oil production platform according to claim 2, characterized in that: A rubber strip (28) is provided at the included angle between the two guide plates, and the strain gauge (29) is mounted on the rubber strip (28).

4. The adjustable support mechanism for an oil production platform according to claim 2, characterized in that: The initial included angle between the two guide plates is forty-five degrees.

5. The adjustable support mechanism for an oil production platform according to claim 2, characterized in that: A support plate (16) is fixedly installed on the movable ring. One end of the rotating shaft is fixedly connected to the support plate (16). A second round rod (21) is fixedly installed on the support plate (16). The second round rod (21) is arranged parallel to the rotating shaft. A third gear (22) is rotatably installed at one end of the second round rod (21). The damping component includes a torsion spring (23). The torsion spring (23) is sleeved on the second round rod (21). One end of the torsion spring (23) is fixedly connected to the third gear (22). A rack plate (20) is installed on one side of each of the two guide plates. The rack plate (20) meshes with the third gear (22).

6. The adjustable support mechanism for an oil production platform according to claim 5, characterized in that: The rack plate (20) is an arc-shaped plate with its center located on the rotating shaft.

7. The adjustable support mechanism for an oil production platform according to claim 5, characterized in that: A push plate (27) is slidably mounted on the second round rod (21). One end of the torsion spring (23) is fixedly connected to the push plate (27). The buffer adjustment mechanism includes a second servo motor (24) and a threaded rod (25). The second servo motor (24) is mounted on a support plate (16). The output shaft of the second servo motor (24) is fixedly connected to the threaded rod (25). The threaded rod (25) is arranged parallel to the second round rod (21). The push plate (27) is threadedly connected to the threaded rod (25). The second servo motor (24) controls the push plate (27) to slide along the second round rod (21) through the threaded rod (25), thereby adjusting the pitch of the torsion spring (23).

8. The adjustable support mechanism for an oil production platform according to claim 7, characterized in that: The second guide rod (26) is fixedly installed on the support plate (16). The second guide rod (26) is parallel to the second round rod (21). The push plate (27) is slidably connected to the second guide rod (26).

9. The adjustable support mechanism for an oil production platform according to claim 1, characterized in that: The float is mounted on the movable ring at a position slightly below the center of the guide plate.

10. The adjustable support mechanism for an oil production platform according to claim 1, characterized in that: The angle adjustment mechanism includes a first servo motor (8) and a rotating ring (3). The rotating ring (3) is rotatably mounted on the support leg (2). A first guide rod (11) is provided on the rotating ring (3). The first guide rod (11) is parallel to the support leg (2). The movable ring and the rotating ring (3) are slidably connected through the first guide rod (11). A first gear (4) is provided on the rotating ring (3). The first servo motor (8) drives the rotating ring (3) and the movable ring to rotate through the first gear (4).

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