Wellhead optical fiber sealing rotary joint

Abstract

The utility model discloses a wellhead optical fiber sealing rotary joint which comprises a fixed seat, first grooves are symmetrically formed in the two sides of the interior of the fixed seat, a first motor is fixedly connected to one side of the fixed seat, a bidirectional threaded rod is fixedly connected to the output end of the first motor, and movable rods are symmetrically connected to the outer side of the bidirectional threaded rod in a threaded mode. Clamping plates are fixedly connected to one sides of the two moving rods, fixing frames are symmetrically and fixedly connected to one side of the top of the fixing base, a second motor is fixedly connected to one side of the top of one fixing frame, a first threaded rod is fixedly connected to the output end of the second motor, and a first fixing plate is in threaded connection to the outer side of the first threaded rod; the clamping plate is arranged, the first motor is started, the bidirectional threaded rod is driven to rotate, the moving rod can be driven to move, and therefore the clamping plate can be driven to move, an optical fiber can be firmly clamped, and the optical fiber is prevented from loosening in the rotating or vibrating process.

Description

Technical Field

[0001] This utility model belongs to the field of wellhead optical fiber technology, specifically relating to a wellhead optical fiber sealing rotary joint. Background Technology

[0002] In downhole operations such as oil and gas drilling, fiber optic sensing technology is widely used to monitor parameters such as downhole temperature, pressure, and vibration in real time, providing important data support for the development and production of oil and gas fields. However, due to the complex downhole environment, the fiber optic cable needs to be connected to rotating equipment at the wellhead to avoid damage to the fiber optic cable due to twisting or stretching.

[0003] Traditional connectors lack flexible adjustment mechanisms, making it difficult to adapt to optical fibers of different diameters or to quickly replace and maintain them. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a wellhead fiber optic sealing rotary joint to solve the problem mentioned in the background art that traditional joints lack flexible adjustment mechanisms and are difficult to adapt to optical fibers of different diameters or for quick replacement and maintenance.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wellhead fiber optic sealing rotary joint, comprising a fixed base, wherein first grooves are symmetrically arranged on both sides inside the fixed base, a first motor is fixedly connected to one side of the fixed base, a bidirectional threaded rod is fixedly connected to the output end of the first motor, and a moving rod is symmetrically threaded to the outer side of the bidirectional threaded rod, a clamping plate is fixedly connected to one side of each of the two moving rods, a fixed frame is symmetrically fixedly connected to one side of the top of the fixed base, a second motor is fixedly connected to one side of the top of one fixed frame, a first threaded rod is fixedly connected to the output end of the second motor, and a first fixing plate is threaded to the outer side of the first threaded rod.

[0006] Preferably, mounting plates are symmetrically fixedly connected to both sides of the fixing base, and threaded grooves are symmetrically provided on one side of the mounting plate.

[0007] Preferably, a first sliding rod is fixedly connected between the two sides inside the first groove, and the other end of the moving rod is slidably connected to the outside of the first sliding rod.

[0008] Preferably, a second sliding rod is fixedly connected between the two sides inside the fixed frame, and a second fixed plate is slidably connected to the outside of the second sliding rod. Connecting blocks are symmetrically fixedly connected to one side of the first fixed plate and one side of the second fixed plate. Both the first fixed plate and the second fixed plate are telescopic structures.

[0009] Preferably, the bidirectional threaded rod is rotatably connected between the two sides inside the first groove.

[0010] Preferably, the first threaded rod is rotatably connected between the two sides inside the fixed frame.

[0011] Preferably, the two connecting blocks are connected in an active manner.

[0012] Preferably, the clamping plate is made of rubber.

[0013] Compared with the prior art, this utility model provides a wellhead fiber optic sealing rotary joint, which has the following beneficial effects:

[0014] 1. This utility model, by setting up a clamping plate and starting the first motor, rotates the bidirectional threaded rod, which can drive the moving rod to move, thereby driving the clamping plate to move, which can firmly clamp the optical fiber and prevent it from loosening during rotation or vibration.

[0015] 2. By setting a first fixing plate and starting a second motor, the first threaded rod can be rotated, which can move the first fixing plate. After the fiber optic connector is connected, the first fixing plate can be moved to fix the connector.

[0016] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the main body of a wellhead fiber optic sealing rotary joint proposed in this utility model;

[0019] Figure 2 This is a top view of the structure of a wellhead fiber optic sealing rotary joint proposed in this utility model;

[0020] Figure 3 This is a cross-sectional structural schematic diagram of a wellhead fiber optic sealing rotary joint fixing seat proposed in this utility model;

[0021] Figure 4 This is a cross-sectional structural diagram of a wellhead fiber optic sealing rotary joint fixing frame proposed in this utility model;

[0022] In the figure: 1. Fixed base; 2. First groove; 3. First motor; 4. Bidirectional threaded rod; 5. Moving rod; 6. Clamping plate; 7. Fixed frame; 8. Second motor; 9. First threaded rod; 10. First fixed plate; 11. Mounting plate; 12. Threaded groove; 13. First sliding rod; 14. Second sliding rod; 15. Second fixed plate; 16. Connecting block. Detailed Implementation

[0023] 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.

[0024] Please see Figure 1-4 This utility model provides a technical solution: a wellhead fiber optic sealing rotary joint, including a fixed base 1, with first grooves 2 symmetrically arranged on both sides inside the fixed base 1. A first motor 3 is fixedly connected to one side of the fixed base 1, and a bidirectional threaded rod 4 is fixedly connected to the output end of the first motor 3. A moving rod 5 is symmetrically threaded to the outer side of the bidirectional threaded rod 4. A clamping plate 6 is fixedly connected to one side of each of the two moving rods 5. A fixed frame 7 is symmetrically fixedly connected to one side of the top of the fixed base 1. A second motor 8 is fixedly connected to one side of the top of one fixed frame 7. A first threaded rod 9 is fixedly connected to the output end of the second motor 8, and a first fixed plate 10 is threaded to the outer side of the first threaded rod 9. When the first motor 3 is started, the bidirectional threaded rod 4 rotates, which can drive the moving rod 5 to move, thereby driving the clamping plate 6 to move, which can firmly clamp the fiber and prevent it from loosening during rotation or vibration. It is also suitable for different joints. When the second motor 8 is started, the first threaded rod 9 rotates, which can drive the first fixed plate 10 to move. After the fiber optic joint is connected, the first fixed plate 10 can be moved to fix the joint.

[0025] In this utility model, preferably, mounting plates 11 are symmetrically fixedly connected to both sides of the fixing base 1, and threaded grooves 12 are symmetrically provided on one side of the mounting plate 11, so that the fixing base 1 can be fixedly installed by bolts through the mounting plate 11.

[0026] In this utility model, preferably, a first sliding rod 13 is fixedly connected between the two sides inside the first groove 2, and the other end of the moving rod 5 is slidably connected to the outside of the first sliding rod 13. The first sliding rod 13 plays a role in limiting the movement of the moving rod 5.

[0027] In this utility model, preferably, a second sliding rod 14 is fixedly connected between the two sides inside a fixed frame 7, and a second fixed plate 15 is slidably connected to the outside of the second sliding rod 14. Connecting blocks 16 are symmetrically fixedly connected to one side of the first fixed plate 10 and one side of the second fixed plate 15. Both the first fixed plate 10 and the second fixed plate 15 are telescopic structures, and the first fixed plate 10 and the second fixed plate 15 can extend and retract, so that the two connecting blocks 16 can contact and connect with each other. When the first fixed plate 10 moves, it can drive the second fixed plate 15 to move at the same time. The setting of the second sliding rod 14 plays a role in limiting the movement of the first fixed plate 10 and the second fixed plate 15.

[0028] In this utility model, preferably, the bidirectional threaded rod 4 is rotatably connected between the two sides inside a first groove 2, the first threaded rod 9 is rotatably connected between the two sides inside a fixed frame 7, the two connecting blocks 16 are movably connected, and can be connected and released at any time. The clamping plate 6 is made of rubber material. The use of rubber material for the clamping plate 6 can not only enhance the friction and prevent the optical fiber from slipping, but also provide a certain buffer protection and reduce the damage to the optical fiber caused by mechanical stress.

[0029] The working principle and usage process of this utility model are as follows: When in use, start the first motor 3, which drives the bidirectional threaded rod 4 to rotate, which can drive the moving rod 5 to move, thereby driving the clamping plate 6 to move, which can firmly clamp the optical fiber and prevent it from loosening during rotation or vibration. It is also suitable for different connectors. Start the second motor 8, which drives the first threaded rod 9 to rotate, which can drive the first fixing plate 10 to move. After the optical fiber connector is connected, the first fixing plate 10 can be moved to fix the connector.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wellhead optical fiber sealing rotary joint comprising a stationary seat (1), characterized in that: The fixed base (1) has symmetrically arranged first grooves (2) on both sides inside. A first motor (3) is fixedly connected to one side of the fixed base (1). A bidirectional threaded rod (4) is fixedly connected to the output end of the first motor (3). A moving rod (5) is symmetrically threaded to the outside of the bidirectional threaded rod (4). A clamping plate (6) is fixedly connected to one side of each of the two moving rods (5). A fixed frame (7) is symmetrically fixedly connected to one side of the top of the fixed base (1). A second motor (8) is fixedly connected to one side of the top of one of the fixed frames (7). A first threaded rod (9) is fixedly connected to the output end of the second motor (8). A first fixed plate (10) is threaded to the outside of the first threaded rod (9).

2. A wellhead fiber optic seal rotary union as in claim 1, wherein: The mounting base (1) is symmetrically fixedly connected to the two sides of the mounting plate (1), and the mounting plate (11) is symmetrically provided with threaded grooves (12) on one side.

3. A wellhead fiber optic seal rotary union as defined in claim 1, wherein: A first sliding rod (13) is fixedly connected between the two sides inside the first groove (2), and the other end of the moving rod (5) is slidably connected to the outside of the first sliding rod (13).

4. A wellhead fiber optic seal rotary union as defined in claim 1, wherein: A second sliding rod (14) is fixedly connected between the two sides inside the fixed frame (7). A second fixed plate (15) is slidably connected to the outside of the second sliding rod (14). A connecting block (16) is symmetrically fixedly connected to one side of the first fixed plate (10) and one side of the second fixed plate (15). Both the first fixed plate (10) and the second fixed plate (15) are telescopic structures.

5. A wellhead fiber optic seal rotary union as defined in claim 1, wherein: The bidirectional threaded rod (4) is rotatably connected between the two sides inside the first groove (2).

6. A wellhead fiber optic seal rotary union as defined in claim 1, wherein: The first threaded rod (9) is rotatably connected between the two sides inside the fixed frame (7).

7. A wellhead fiber optic seal rotary union as defined in claim 4, wherein: The two connecting blocks (16) are connected in an active manner.

8. A wellhead fiber optic seal rotary union as defined in claim 1, wherein: The clamping plate (6) is made of rubber.

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