Downhole optical fiber positioning anchor

Abstract

The utility model discloses an underground optical fiber positioning anchor which comprises a fixing frame, one side of the top of the fixing frame is fixedly connected with an installation block, one side of the top of the installation block is symmetrically provided with first grooves, fixing rods are fixedly connected between the two sides of the interiors of the two first grooves, the outer sides of the fixing rods are symmetrically and slidably connected with movable rods, and the movable rods are fixedly connected with the installation block. One side of the bottom of each moving rod is fixedly connected with a fixing block, one side of each fixing block is fixedly connected with a suction cup, one side of each mounting block is fixedly connected with a positioning sensor, the two sides of each mounting block are fixedly connected with telescopic rods, and the two sides of each mounting block are fixedly connected with springs. The fixing block and the fixing frame are movably connected, when fixing needs to be conducted, the fixing block and the fixing frame can be separated, the spring and the telescopic rod can drive the fixing block to rebound and move, and therefore the suction cup can be driven to move, the well arm is adsorbed and fixed, and convenience and rapidness are achieved.

Description

Technical Field

[0001] This utility model belongs to the field of fiber optic positioning technology, specifically relating to an underground fiber optic positioning anchor. Background Technology

[0002] In downhole operations such as oil, natural gas, and geothermal drilling, fiber optic sensing technology is widely used for real-time monitoring of parameters such as temperature, pressure, sound waves, and strain. In order to achieve high-precision measurement, fiber optic sensors need to be accurately positioned and reliably fixed at specific locations downhole.

[0003] The well wall may be uneven or corroded, causing the anchor to slip or loosen, especially in environments with vibration or fluid scouring. Different wells have different diameters, so the anchor cannot be adjusted according to size, resulting in poor applicability. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a downhole fiber optic positioning anchor to solve the problems mentioned in the background art, such as the possibility of uneven or corroded well walls, which may cause the anchor to slide or loosen, especially in the case of vibration or fluid scouring environment, and the fact that different wells have different diameters and cannot be adjusted according to size, resulting in poor applicability.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a downhole fiber optic positioning anchor, comprising a fixed frame, an mounting block fixedly connected to one side of the top of the fixed frame, first grooves symmetrically arranged on one side of the top of the mounting block, fixed rods fixedly connected between the two sides of the two first grooves, movable rods symmetrically slidably connected to the outer sides of the fixed rods, fixed blocks fixedly connected to one side of the bottom of the two movable rods, a suction cup fixedly connected to one side of the fixed block, a positioning sensor fixedly connected to one side of the mounting block, telescopic rods fixedly connected to both sides of the mounting block, springs fixedly connected to both sides of the mounting block, second grooves symmetrically arranged on one side of the bottom of the fixed frame, a bidirectional threaded rod rotatably connected between the two sides of one of the second grooves, and clamping plates symmetrically threaded to the outer sides of the bidirectional threaded rods.

[0006] Preferably, a first gear is fixedly connected to the outer side of the bidirectional threaded rod, a motor is fixedly connected to one side of the fixed frame, and a second gear is fixedly connected to the output end of the motor, with the first gear and the second gear meshing with each other.

[0007] Preferably, a sliding rod is fixedly connected between the two sides inside one of the second grooves, and the other end of the clamping plate is slidably connected to the outside of the sliding rod.

[0008] Preferably, both clamping plates have symmetrical circular grooves on one side.

[0009] Preferably, the bottom side of the fixing block is movably connected to the top side of the fixing frame.

[0010] Preferably, the other ends of the two telescopic rods are respectively fixedly connected to one side of the two fixed blocks, and the other ends of the two springs are respectively fixedly connected to one side of the two fixed frames.

[0011] Preferably, the telescopic rod is located inside the spring.

[0012] Preferably, both the first gear and the second gear are bevel gears.

[0013] Compared with the prior art, this utility model provides a downhole fiber optic positioning anchor, which has the following advantages:

[0014] 1. This utility model features a suction cup and a movable connection between the fixing block and the fixing frame. When fixation is required, the fixing block and the fixing frame can be separated, and the spring and telescopic rod will cause the fixing block to rebound and move, thereby moving the suction cup to adsorb and fix the well arm, which is convenient and quick.

[0015] 2. This utility model, by setting up clamping plates and rotating the bidirectional threaded rod, can drive the two clamping plates to move, adjust the distance between the two clamping plates, and clamp and fix different optical fibers.

[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 an underground fiber optic positioning anchor proposed in this utility model;

[0019] Figure 2 This is a top view of the structure of an underground fiber optic positioning anchor proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a downhole fiber optic positioning anchor mounting block proposed in this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the fixing frame for an underground fiber optic positioning anchor proposed in this utility model;

[0022] Figure 5 This utility model proposes a downhole fiber optic positioning anchor. Figure 4 Enlarged structural diagram at point A;

[0023] In the diagram: 1. Fixed frame; 2. Mounting block; 3. First groove; 4. Fixed rod; 5. Moving rod; 6. Fixed block; 7. Suction cup; 8. Positioning sensor; 9. Telescopic rod; 10. Spring; 11. Second groove; 12. Bidirectional threaded rod; 13. Clamping plate; 14. First gear; 15. Motor; 16. Second gear; 17. Sliding rod; 18. Circular groove. Detailed Implementation

[0024] 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.

[0025] Please see Figure 1-5 This utility model provides a technical solution: a downhole fiber optic positioning anchor, including a fixed frame 1, an mounting block 2 fixedly connected to one side of the top of the fixed frame 1, first grooves 3 symmetrically arranged on one side of the top of the mounting block 2, fixed rods 4 fixedly connected between the two sides of the inner sides of the two first grooves 3, movable rods 5 symmetrically slidably connected to the outer sides of the fixed rods 4, fixed blocks 6 fixedly connected to one side of the bottom of the two movable rods 5, suction cups 7 fixedly connected to one side of the fixed blocks 6, positioning sensors 8 fixedly connected to one side of the mounting block 2, telescopic rods 9 fixedly connected to both sides of the mounting block 2, and springs 10 fixedly connected to both sides of the mounting block 2. The fixed frame 1 has symmetrical... A second groove 11 is provided, and a bidirectional threaded rod 12 is rotatably connected between the two sides inside the second groove 11. A clamping plate 13 is symmetrically threaded to the outside of the bidirectional threaded rod 12. When fixation is required, the moving rod 5 can slide outside the fixed rod 4. The spring 10 and the telescopic rod 9 will drive the fixed block 6 to rebound and move, thereby driving the suction cup 7 to move and adsorb and fix the well arm. It is suitable for different diameters and is convenient and quick. Rotating the bidirectional threaded rod 12 can drive the two clamping plates 13 to move, and the distance between the two clamping plates 13 can be adjusted to clamp and fix different optical fibers.

[0026] In this utility model, preferably, a first gear 14 is fixedly connected to the outer side of the bidirectional threaded rod 12, a motor 15 is fixedly connected to one side of the fixed frame 1, and a second gear 16 is fixedly connected to the output end of the motor 15. The first gear 14 and the second gear 16 mesh with each other. When the motor 15 is started, the second gear 16 can be driven to rotate. The first gear 14 and the second gear 16 mesh with each other, which can drive the first gear 14 to rotate, thereby driving the bidirectional threaded rod 12 to rotate.

[0027] In this utility model, preferably, a sliding rod 17 is fixedly connected between the two sides inside the second groove 11, and the other end of the clamping plate 13 is slidably connected to the outside of the sliding rod 17. The sliding rod 17 plays a role in limiting the movement of the clamping plate 13.

[0028] In this utility model, preferably, each of the two clamping plates 13 has a circular groove 18 symmetrically arranged on one side. After the clamping plates 13 clamp the optical fiber, the two clamping plates 13 can be limited and fixed by the circular groove 18.

[0029] In this utility model, preferably, the bottom side of the fixing block 6 is movably connected to the top side of the fixing frame 1.

[0030] In this utility model, preferably, the other ends of the two telescopic rods 9 are respectively fixedly connected to one side of the two fixed blocks 6, and the other ends of the two springs 10 are respectively fixedly connected to one side of the two fixed frames 1.

[0031] In this invention, preferably, the telescopic rod 9 is located inside the spring 10.

[0032] In this invention, preferably, both the first gear 14 and the second gear 16 are bevel gears.

[0033] The working principle and usage process of this utility model are as follows: When it is needed for fixation, the fixing block 6 and the fixing frame 1 are movably connected. When fixation is required, the fixing block 6 and the fixing frame 1 can be separated. The spring 10 and the telescopic rod 9 will drive the fixing block 6 to rebound and move, thereby driving the suction cup 7 to move and adsorb and fix the well arm. Starting the motor 15 can drive the second gear 16 to rotate. The first gear 14 and the second gear 16 mesh with each other, driving the first gear 14 to rotate, thereby driving the bidirectional threaded rod 12 to rotate, which can drive the two clamping plates 13 to move. The distance between the two clamping plates 13 can be adjusted to clamp and fix different optical fibers.

[0034] 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 downhole fiber optic positioning anchor, comprising a fixing frame (1), characterized in that: The top side of the fixed frame (1) is fixedly connected to the mounting block (2). The top side of the mounting block (2) is symmetrically provided with a first groove (3). The two first grooves (3) are fixedly connected to each other on both sides. The fixed rods (4) are symmetrically slidably connected to the outside of the fixed rods (4). The bottom side of the two moving rods (5) is fixedly connected to a fixed block (6). The fixed block (6) is fixedly connected to a suction cup (7) on one side. The mounting block (2) is fixedly connected to a positioning sensor (8). The mounting block (2) is fixedly connected to both sides on both sides. The mounting block (2) is fixedly connected to both sides with a spring (10). The bottom side of the fixed frame (1) is symmetrically provided with a second groove (11). The two sides of the second groove (11) are rotatably connected to each other on both sides. The two-way threaded rod (12) is symmetrically threaded to the outside of the two-way threaded rod (12). The clamping plate (13) is symmetrically threaded to the outside of the two-way threaded rod (12).

2. The downhole fiber optic positioning anchor according to claim 1, characterized in that: The outer side of the bidirectional threaded rod (12) is fixedly connected to a first gear (14), and a motor (15) is fixedly connected to one side of the fixed frame (1). The output end of the motor (15) is fixedly connected to a second gear (16), and the first gear (14) and the second gear (16) mesh with each other.

3. The downhole fiber optic positioning anchor according to claim 1, characterized in that: A sliding rod (17) is fixedly connected between the two sides inside the second groove (11), and the other end of the clamping plate (13) is slidably connected to the outside of the sliding rod (17).

4. The downhole fiber optic positioning anchor according to claim 1, characterized in that: Both clamping plates (13) have symmetrical circular grooves (18) on one side.

5. The downhole fiber optic positioning anchor according to claim 1, characterized in that: The bottom side of the fixing block (6) is movably connected to the top side of the fixing frame (1).

6. The downhole fiber optic positioning anchor according to claim 1, characterized in that: The other ends of the two telescopic rods (9) are respectively fixedly connected to one side of the two fixed blocks (6), and the other ends of the two springs (10) are respectively fixedly connected to one side of the two fixed frames (1).

7. The downhole fiber optic positioning anchor according to claim 1, characterized in that: The telescopic rod (9) is located inside the spring (10).

8. A downhole fiber optic positioning anchor according to claim 2, characterized in that: Both the first gear (14) and the second gear (16) are bevel gears.

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