Marine oil pipeline stress absorption device

Abstract

The utility model discloses an offshore oil pipeline stress absorbing device, which relates to the technical field of stress absorbing devices and comprises a bottom frame, a stress absorbing component is arranged at the top of the bottom frame, a supporting plate is arranged at the top of the stress absorbing component, and square grooves are mounted at the top of the supporting plate in an array manner. The device comprises a square groove, a square block is arranged in the square groove, an annular frame is fixedly connected to the top of the square block, an arc-shaped plate is fixedly installed in the annular frame, and a limiting plate is arranged in the annular frame. Through the arrangement of the limiting plate, the petroleum pipeline penetrates into the annular frame, the output end of the servo motor rotates to enable the threaded rod to move, when the threaded rod moves, the limiting plate can be driven to move through the bearing, and when the limiting plate moves, the limiting plate is guided through the guide assembly, so that the limiting plate moves stably; and after the limiting plate moves to make contact with the top of the offshore oil pipeline, the position of the oil pipeline can be positioned, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stress absorption devices, in particular to a stress absorption device for an offshore oil pipeline. Background Art

[0002] Offshore platform pipelines may be subjected to various loads during operation, including gravity, pressure, displacement, wind load, earthquake load, transient flow impact load, two-phase flow pulsation load, pressure pulsation load, mechanical vibration load, etc., which may cause primary stress and secondary stress in the pipeline during operation. In order to ensure the safe operation of the pipeline and avoid the phenomenon that the stress cannot be released, which may cause the pipeline to break, flange leakage, damage to the equipment nozzle, etc., the offshore oil pipeline stress absorption device is a device used to reduce the impact or vibration of the offshore oil pipeline by external forces. This device is designed to absorb the energy in the movement of the pipeline, thereby reducing the pressure on the pipeline itself and the connecting parts, extending its service life and improving safety.

[0003] However, in actual applications, it is not very convenient to use the marine oil pipeline stress absorption device to limit and fix oil pipelines of different sizes. When tools are needed for fixing, the operation steps are relatively cumbersome, which will undoubtedly have a certain impact on work efficiency.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a stress absorbing device for marine oil pipelines is proposed. Utility Model Content

[0005] The utility model aims to provide a stress absorbing device for an offshore oil pipeline, so as to solve the problem in the above background technology that it is inconvenient to quickly limit and fix pipelines of different sizes.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stress absorption device for an offshore oil pipeline, comprising a base frame, a stress absorption component is arranged on the top of the base frame, a support plate is arranged on the top of the stress absorption component, a square groove is installed in an array on the top of the support plate, a square block is arranged inside the square groove, a ring frame is fixedly connected to the top of the square block, an arc plate is fixedly installed inside the ring frame, a limit plate is arranged inside the ring frame, and the limit plate and the arc plate are symmetrically arranged, a bearing is fixedly installed on the top of the limit plate, a threaded rod is fixedly connected to the inner ring of the bearing, a threaded barrel is fixedly installed on the top of the ring frame, and the threaded rod is threadedly connected to the inside of the threaded barrel, a servo motor is fixedly connected to the top of the ring frame, and the output end of the servo motor is fixedly connected to one end of the threaded rod, and a guide assembly is arranged on the ring frame.

[0007] Furthermore, the base frame is provided with positioning holes in an array.

[0008] Furthermore, the stress absorbing assembly includes a mounting groove and a rubber block, the mounting groove array is mounted on the base frame, the rubber block is fixedly mounted on the top of the mounting groove, and the rubber block is fixedly connected to the bottom of the support plate.

[0009] Furthermore, the guide assembly includes a guide rod and a guide cylinder, the guide cylinder is fixedly installed on the top of the annular frame, the guide rod is passed through the inside of the guide cylinder, and one end of the guide rod is fixedly connected to the top of the limiting plate.

[0010] Furthermore, a telescopic rod No. 1 is fixedly installed inside the square groove, a concave groove corresponding to the telescopic rod No. 1 is arranged inside the square block, and one end of the telescopic rod No. 1 is fixedly connected to the inner wall of the concave groove.

[0011] Furthermore, the inner array of the square slots is provided with card slots.

[0012] Furthermore, the square block is symmetrically provided with sliding grooves inside, and a second telescopic rod is fixedly installed inside the sliding groove.

[0013] Furthermore, one end of the second telescopic rod is fixedly connected to a clamping block, and one end of the clamping block extends to the inside of the clamping slot.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model sets a limit plate so that the oil pipeline can pass through the inside of the annular frame. The rotation of the output end of the servo motor will drive the threaded rod to rotate synchronously. When the threaded rod rotates, the threaded barrel moves the position of the threaded rod. When the threaded rod moves, the position of the limit plate is driven to move through the bearing. When the limit plate moves, the limit plate is guided by the guide assembly to make the limit plate move smoothly. After the limit plate moves and contacts the top of the marine oil pipeline, the position of the oil pipeline is positioned, thereby achieving the purpose of facilitating the positioning of oil pipelines of different sizes and improving work efficiency.

[0016] 2. The utility model sets a No. 1 telescopic rod, which can push the square block to move through the concave groove when working, and the No. 2 telescopic rod can push the block to move when working. After the block moves into the inside of the groove, the position of the square block will be positioned, and then the position of the annular frame can be adjusted, which is convenient for adjusting the height of the supporting oil pipeline, thereby improving the practicality of the stress absorption device for marine oil pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 Schematic diagram of the three-dimensional structure of the ring frame;

[0019] Figure 3 It is a schematic diagram of the square block and square slot structure;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the limiting plate.

[0021] In the figure: 1. base frame; 2. positioning hole; 3. mounting groove; 4. rubber block; 5. support plate; 6. square groove; 7. square block; 8. ring frame; 9. arc plate; 10. limit plate; 11. threaded cylinder; 12. threaded rod; 13. servo motor; 14. bearing; 15. guide rod; 16. guide cylinder; 17. concave groove; 18. No. 1 telescopic rod; 19. sliding groove; 20. No. 2 telescopic rod; 21. block; 22. slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] like Figure 1 - Figure 4As shown, a stress absorption device for an offshore oil pipeline comprises a base frame 1, a stress absorption component is arranged on the top of the base frame 1, a support plate 5 is arranged on the top of the stress absorption component, a square groove 6 is arranged in an array on the top of the support plate 5, a square block 7 is arranged inside the square groove 6, a ring frame 8 is fixedly connected to the top of the square block 7, an arc plate 9 is fixedly installed inside the ring frame 8, a limit plate 10 is arranged inside the ring frame 8, and the limit plate 10 is symmetrically arranged with the arc plate 9, the arc plate 9 is made of rubber material, and a spring is embedded inside, which is used to reduce the shock of the pipeline on the equipment, thereby absorbing stress and avoiding damage to the pipeline The top of the limit plate 10 is fixedly installed with a bearing 14, the inner ring of the bearing 14 is fixedly connected with a threaded rod 12, the top of the annular frame 8 is fixedly installed with a threaded cylinder 11, and the threaded rod 12 is threadedly connected to the inside of the threaded cylinder 11, the top of the annular frame 8 is fixedly connected with a servo motor 13, and the output end of the servo motor 13 is fixedly connected to one end of the threaded rod 12, and a guide component is arranged on the annular frame 8. The offshore platform pipeline may be subjected to various loads during operation, including gravity, pressure, displacement, wind load, earthquake load, transient flow impact load, two-phase flow pulsation load, pressure pulsation load, mechanical vibration load, etc., resulting in The generation of primary stress and secondary stress in the operation of the pipeline, in order to ensure the safe operation of the pipeline and avoid the phenomenon that the pipeline may break, flange leak, damage to the equipment pipe mouth, etc. due to the inability to release the stress, when the marine oil pipeline stress absorption device is used to absorb the stress generated by the oil pipeline, the position of the marine oil pipeline stress absorption device is fixed, and the oil pipeline is inserted into the inside of the annular frame 8. The rotation of the output end of the servo motor 13 will drive the threaded rod 12 to rotate synchronously. When the threaded rod 12 rotates, the threaded barrel 11 moves the position of the threaded rod 12. When the threaded rod 12 moves, it will drive the limit plate through the bearing 14. 10 moves, and the limiting plate 10 is guided by the guide assembly when moving, so that the limiting plate 10 moves smoothly. After the limiting plate 10 moves and contacts the top of the marine oil pipeline, the position of the oil pipeline will be positioned, thereby achieving the purpose of facilitating the positioning of oil pipelines of different sizes. The stress generated during the use of the marine oil pipeline will be pressed to the square block 7 and the square groove 6 through the annular frame 8, and then the stress will be transmitted to the rubber block 4 through the support plate 5. The rubber block 4 will absorb and reduce the applied stress, thereby effectively avoiding damage to the oil pipeline caused by the inability to release the stress.

[0025] Furthermore, the base frame 1 is provided with positioning holes 2 in an array, and bolts are used to pass through the positioning holes 2 to fix and limit the position of the base frame 1.

[0026] Furthermore, the stress absorbing component includes a mounting groove 3 and a rubber block 4. The mounting groove 3 is arrayed on the base frame 1. The rubber block 4 is fixedly mounted on the top of the mounting groove 3, and the rubber block 4 is fixedly connected to the bottom of the support plate 5. The mounting groove 3 provides an installation space for the rubber block 4. When stress is applied to the support plate 5, the rubber block 4 can absorb the stress, thereby improving the protective performance.

[0027] Furthermore, the guide assembly includes a guide rod 15 and a guide cylinder 16. The guide cylinder 16 is fixedly installed on the top of the annular frame 8. The guide rod 15 is inserted into the inside of the guide cylinder 16, and one end of the guide rod 15 is fixedly connected to the top of the limit plate 10. When the position of the limit plate 10 moves, it will drive the guide rod 15 to slide inside the guide cylinder 16, and then guide the limit plate 10 when the guide rod 15 moves.

[0028] Embodiment 2

[0029] like Figure 1 and Figure 3 As shown, a stress absorbing device for a marine oil pipeline proposed by the utility model, compared with the first embodiment, as another implementation mode of the utility model, a No. 1 telescopic rod 18 is fixedly installed inside the square groove 6, and a concave groove 17 corresponding to the No. 1 telescopic rod 18 is arranged inside the square block 7, and one end of the No. 1 telescopic rod 18 is fixedly connected to the inner wall of the concave groove 17. The No. 1 telescopic rod 18 can push the position of the square block 7 to move through the concave groove 17, and then the position of the annular frame 8 can be adjusted, so as to facilitate the adjustment of the height of the supporting oil pipeline, thereby improving practicality.

[0030] Furthermore, the inner array of the square slot 6 is provided with a card slot 22 , and the square slot 6 provides an installation space for the card slot 22 .

[0031] Furthermore, a sliding groove 19 is symmetrically arranged inside the square block 7, and a second telescopic rod 20 is fixedly installed inside the sliding groove 19, and the sliding groove 19 provides an installation space for the second telescopic rod 20.

[0032] Furthermore, one end of the second telescopic rod 20 is fixedly connected to a block 21, and one end of the block 21 extends to the inside of the slot 22. After the position of the square block 7 is adjusted, the operation of the second telescopic rod 20 will push the block 21 to move. After the block 21 moves into the inside of the slot 22, the position of the square block 7 will be positioned.

[0033] Working principle: When using this marine oil pipeline stress absorption device, first, when using the marine oil pipeline stress absorption device to absorb the stress generated by the oil pipeline, after the position of the marine oil pipeline stress absorption device is fixed, the No. 1 telescopic rod 18 can push the position of the square block 7 to move through the concave groove 17, and then the position of the annular frame 8 can be adjusted, so as to facilitate the adjustment of the height of the supporting oil pipeline.

[0034] Finally, the oil pipeline is passed through the annular frame 8, and the output end rotation of the servo motor 13 will drive the threaded rod 12 to rotate synchronously. When the threaded rod 12 rotates, the threaded barrel 11 moves the position of the threaded rod 12. When the threaded rod 12 moves, the position of the limit plate 10 is driven to move through the bearing 14. When the limit plate 10 moves, the limit plate 10 is guided by the guide assembly to make the limit plate 10 move smoothly. After the limit plate 10 moves and contacts the top of the marine oil pipeline, the position of the oil pipeline will be positioned, thereby achieving the purpose of facilitating the positioning of oil pipelines of different sizes. The stress generated during the use of the marine oil pipeline will be pressed to the square block 7 and the square groove 6 through the annular frame 8, and then the stress will be transmitted to the rubber block 4 through the support plate 5. The rubber block 4 will absorb and reduce the applied stress, thereby effectively avoiding damage to the oil pipeline caused by the inability to release the stress.

[0035] Here it is the working principle of this kind of stress absorption device for marine oil pipeline.

[0036] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A stress absorbing device for an offshore oil pipeline, comprising a base frame (1), characterized in that: A stress absorbing component is arranged on the top of the base frame (1), a support plate (5) is arranged on the top of the stress absorbing component, a square groove (6) is arranged in an array on the top of the support plate (5), a square block (7) is arranged inside the square groove (6), a ring frame (8) is fixedly connected to the top of the square block (7), an arc plate (9) is fixedly arranged inside the ring frame (8), a limit plate (10) is arranged inside the ring frame (8), and the limit plate (10) is aligned with the arc plate (9). The limiting plate (10) is provided with a bearing (14) fixedly mounted on the top, the inner ring of the bearing (14) is fixedly connected to a threaded rod (12), the top of the annular frame (8) is provided with a threaded cylinder (11), and the threaded rod (12) is threadedly connected to the inside of the threaded cylinder (11), the top of the annular frame (8) is fixedly connected to a servo motor (13), and the output end of the servo motor (13) is fixedly connected to one end of the threaded rod (12), and a guide assembly is provided on the annular frame (8).

2. The marine oil pipeline stress absorbing device according to claim 1, characterized in that: The base frame (1) is provided with positioning holes (2) in an array.

3. The marine oil pipeline stress absorbing device according to claim 1, characterized in that: The stress absorbing component comprises a mounting groove (3) and a rubber block (4); the mounting groove (3) is array-mounted on the base frame (1); the rubber block (4) is fixedly mounted on the top of the mounting groove (3); and the rubber block (4) is fixedly connected to the bottom of the support plate (5).

4. The marine oil pipeline stress absorbing device according to claim 1, characterized in that: The guide assembly comprises a guide rod (15) and a guide cylinder (16), wherein the guide cylinder (16) is fixedly mounted on the top of the annular frame (8), the guide rod (15) is inserted into the interior of the guide cylinder (16), and one end of the guide rod (15) is fixedly connected to the top of the limiting plate (10).

5. The marine oil pipeline stress absorbing device according to claim 1, characterized in that: A first telescopic rod (18) is fixedly installed inside the square groove (6), a concave groove (17) corresponding to the first telescopic rod (18) is arranged inside the square block (7), and one end of the first telescopic rod (18) is fixedly connected to the inner wall of the concave groove (17).

6. The marine oil pipeline stress absorbing device according to claim 5, characterized in that: The inner array of the square slot (6) is provided with a card slot (22).

7. The marine oil pipeline stress absorbing device according to claim 5, characterized in that: The square block (7) is symmetrically provided with a sliding groove (19), and a second telescopic rod (20) is fixedly installed inside the sliding groove (19).

8. The marine oil pipeline stress absorbing device according to claim 7, characterized in that: One end of the second telescopic rod (20) is fixedly connected to a clamping block (21), and one end of the clamping block (21) extends to the interior of the clamping slot (22).

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