Cable-passing safety joint

Abstract

The utility model belongs to the technical field of a connecting device for carrying a transmission cable and an underground direct reading instrument in an oil well, in particular to a cable-passing safety joint, which comprises an upper joint and a lower joint, an upper mounting plate, a mounting bracket and an upper connecting plate are respectively arranged on the surface of the upper joint, and a lower mounting plate and a lower connecting plate are respectively arranged on the surface of the lower joint. The surface of the upper mounting plate is fixedly connected with a shell, the surface of the lower mounting plate is fixedly connected with a sealing rubber strip, and the surface of the upper connecting plate is slidably connected with the surface of the lower connecting plate. According to the cable passing safety joint, the surface of an upper connecting plate is fixedly connected with the surface of a lower connecting plate through two connecting screw rods, the surface of an upper joint is slidably connected with the surface of a cable through an upper fixing clamp, and the surface of the upper fixing clamp is fixedly connected with the surface of an upper fixing frame through an upper fastening screw; the surface of the lower joint is in sliding connection with the surface of the cable through the lower fixing clamp, and the technical problem that an existing safety joint cannot penetrate through the cable is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting devices for carrying transmission cables and downhole direct-reading instruments in oil wells, and particularly relates to a cable-passing safety joint. Background Art

[0002] When using downhole packers for layered operations, it is often affected by factors such as scaling and sand production, resulting in difficulties in the later treatment of downhole tubing. The existing safety joint technology still faces some challenges, such as complex structure, complex operation, easy leakage, and inability to pass through cables. Content of the Utility Model

[0003] Based on the technical problem that the existing safety joint cannot pass through cables, the utility model provides a cable-passing safety joint.

[0004] A cable-passing safety joint provided by the utility model includes an upper joint and a lower joint. The upper joint is located outside the lower joint. The surface of the upper joint is respectively provided with an upper mounting plate, a mounting bracket, and an upper connecting plate. The surface of the lower joint is respectively provided with a lower mounting plate and a lower connecting plate. The surface of the upper mounting plate is fixedly connected with a housing, the surface of the lower mounting plate is fixedly connected with a sealing strip, and the surface of the upper connecting plate is slidably connected with the surface of the lower connecting plate.

[0005] Preferably, the surface of the upper joint is respectively fixedly connected with an upper movable frame and an upper fixed frame, and the surface of the upper joint is respectively fixedly connected with the surface of the upper mounting plate, the surface of the mounting bracket, and the surface of the upper connecting plate.

[0006] Preferably, the surface of the lower joint is respectively fixedly connected with a lower movable frame and a lower fixed frame, and the surface of the lower joint is respectively fixedly connected with the surface of the lower mounting plate and the surface of the lower connecting plate.

[0007] Preferably, the surface of the upper mounting plate is respectively fixedly connected with a connecting motor and a connecting battery. The connecting battery is electrically connected with the connecting motor. The two connecting motors are symmetrically distributed with the axis of the upper joint as the center. The connecting motor and the connecting battery are both located inside the housing.

[0008] Preferably, the output shaft of the connecting motor is fixedly connected with a connecting screw through a coupling. The surface of the mounting bracket and the surface of the upper connecting plate are both rotatably connected with the surface of the connecting screw. The surface of the lower connecting plate is threadedly connected with the surface of the connecting screw. The side surface of the housing is slidably connected with the surface of the sealing strip.

[0009] Preferably, an upper fixing clamp is rotatably connected to the surface of the upper movable frame. An upper fastening screw is arranged on the surface of the upper fixing clamp. The surface of the upper fixing clamp is fixedly connected to the surface of the upper fixing frame through the upper fastening screw. A lower fixing clamp is rotatably connected to the surface of the lower movable frame. A lower fastening screw is arranged on the surface of the lower fixing clamp. The surface of the lower fixing clamp is fixedly connected to the surface of the lower fixing frame through the lower fastening screw.

[0010] The beneficial effects of the present utility model are as follows:

[0011] By arranging that the surface of the upper connecting plate is fixedly connected to the surface of the lower connecting plate through two connecting screws, the surface of the upper joint is slidably connected to the surface of the cable through the upper fixing clamp, the surface of the upper fixing clamp is fixedly connected to the surface of the upper fixing frame through the upper fastening screw, the surface of the lower joint is slidably connected to the surface of the cable through the lower fixing clamp, and the surface of the lower fixing clamp is fixedly connected to the surface of the lower fixing frame through the lower fastening screw, the technical problem that the existing safety joint cannot penetrate the cable is solved. Description of the Drawings

[0012] Figure 1 It is a schematic diagram of a cable-passing safety joint proposed by the present utility model;

[0013] Figure 2 It is a three-dimensional view of the sealing strip structure of a cable-passing safety joint proposed by the present utility model;

[0014] Figure 3 It is a three-dimensional view of the lower connecting plate structure of a cable-passing safety joint proposed by the present utility model;

[0015] Figure 4 It is a three-dimensional view of the mounting bracket structure of a cable-passing safety joint proposed by the present utility model.

[0016] In the figure: 1. Upper joint; 2. Lower joint; 3. Upper mounting plate; 4. Mounting bracket; 5. Upper connecting plate; 6. Lower mounting plate; 7. Lower connecting plate; 8. Outer shell; 9. Sealing strip; 10. Upper movable frame; 11. Upper fixing frame; 12. Lower movable frame; 13. Lower fixing frame; 14. Connecting motor; 15. Connecting battery; 16. Connecting screw; 17. Upper fixing clamp; 18. Upper fastening screw; 19. Lower fixing clamp; 20. Lower fastening screw. Detailed Embodiments

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0018] Refer to Figures 1-4, a cable - passing safety joint, comprising an upper joint 1 and a lower joint 2. The upper joint 1 is located outside the lower joint 2. On the surface of the upper joint 1, there are respectively an upper mounting plate 3, a mounting bracket 4 and an upper connecting plate 5. On the surface of the lower joint 2, there are respectively a lower mounting plate 6 and a lower connecting plate 7. The surface of the upper mounting plate 3 is fixedly connected with a housing 8. The surface of the lower mounting plate 6 is fixedly connected with a sealing strip 9. The surface of the upper connecting plate 5 is slidably connected with the surface of the lower connecting plate 7.

[0019] The surface of the upper joint 1 is respectively fixedly connected with an upper movable frame 10 and an upper fixed frame 11. The surface of the upper joint 1 is respectively fixedly connected with the surface of the upper mounting plate 3, the surface of the mounting bracket 4 and the surface of the upper connecting plate 5.

[0020] Furthermore, both the upper movable frame 10 and the upper fixed frame 11 are located above the upper mounting plate 3. The upper mounting plate 3 is located above the mounting bracket 4. The upper connecting plate 5 is located below the upper mounting bracket 4.

[0021] The surface of the lower joint 2 is respectively fixedly connected with a lower movable frame 12 and a lower fixed frame 13. The surface of the lower joint 2 is respectively fixedly connected with the surface of the lower mounting plate 6 and the surface of the lower connecting plate 7.

[0022] Furthermore, both the lower movable frame 12 and the lower fixed frame 13 are located below the lower mounting plate 6. The lower connecting plate 7 is located above the lower mounting plate 6.

[0023] The surface of the upper mounting plate 3 is respectively fixedly connected with a connecting motor 14 and a connecting battery 15. The connecting battery 15 is electrically connected to the connecting motor 14. The two connecting motors 14 are symmetrically distributed with the axis of the upper joint 1 as the center. Both the connecting motor 14 and the connecting battery 15 are located inside the housing 8.

[0024] Furthermore, the connecting battery 15 supplies power to the connecting motor 14. Both the connecting battery 15 and the connecting motor 14 are located on the lower surface of the upper mounting plate 3.

[0025] The output shaft of the connecting motor 14 is fixedly connected with a connecting screw 16 through a coupling. The surface of the mounting bracket 4 and the surface of the upper connecting plate 5 are both rotatably connected with the surface of the connecting screw 16. The surface of the lower connecting plate 7 is threadedly connected with the surface of the connecting screw 16. The side surface of the housing 8 is slidably connected with the surface of the sealing strip 9.

[0026] Furthermore, the housing 8 is located outside the connecting motor 14, the connecting battery 15 and the connecting screw 16. The side surface of the housing 8 is connected to the surface of the lower mounting plate 6 through the sealing strip 9.

[0027] The surface of the upper movable frame 10 is rotatably connected with an upper fixing clamp 17. The surface of the upper fixing clamp 17 is provided with an upper fastening screw 18, and the surface of the upper fixing clamp 17 is fixedly connected with the surface of the upper fixing frame 11 through the upper fastening screw 18. The surface of the lower movable frame 12 is rotatably connected with a lower fixing clamp 19. The surface of the lower fixing clamp 19 is provided with a lower fastening screw 20, and the surface of the lower fixing clamp 19 is fixedly connected with the surface of the lower fixing frame 13 through the lower fastening screw 20.

[0028] Further, the upper fixing clamp 17 and the lower fixing clamp 19 are located on the same axis. The surface of the upper fixing clamp 17 is slidably connected with the surface of the upper connector through a cable. The surface of the lower fixing clamp 19 is slidably connected with the surface of the lower connector through a cable.

[0029] By setting that the surface of the upper connecting plate 5 is fixedly connected with the surface of the lower connecting plate 7 through two connecting screws 16, the surface of the upper joint 1 is slidably connected with the surface of the cable through the upper fixing clamp 17, the surface of the upper fixing clamp 17 is fixedly connected with the surface of the upper fixing frame 11 through the upper fastening screw 18, the surface of the lower joint 2 is slidably connected with the surface of the cable through the lower fixing clamp 19, and the surface of the lower fixing clamp 19 is fixedly connected with the surface of the lower fixing frame 13 through the lower fastening screw 20, the technical problem that the existing safety joint cannot penetrate the cable is solved.

[0030] Working principle:

[0031] Before use, the upper connector is sleeved above the lower connector. The inner wall of the upper connector is slidably connected with the surface of the lower connector. The surface of the upper mounting plate 3 is provided with a housing 8. Inside the housing 8, a connecting motor 14 and a connecting battery 15 are respectively arranged. The output shaft of the connecting motor 14 is fixedly connected with a connecting screw 16 through a coupling. The surface of the connecting screw 16 is respectively rotatably connected with the surface of the mounting bracket 4 and the surface of the upper connecting plate 5. The surface of the connecting screw 16 is threadedly connected with the surface of the lower connecting plate 7. The connecting motor 14 drives the lower connecting plate 7 to approach the upper connecting plate 5 along the axial direction of the two connecting screws 16 through the connecting screw 16. The surface of the upper connecting plate 5 contacts the surface of the lower connecting plate 7. The side of the housing 8 is connected with the surface of the lower mounting plate 6 through a sealing strip 9 arranged on the surface of the lower mounting plate 6. The upper movable frame 10 fixedly connected to the surface of the upper connector is rotatably connected with an upper fixing clamp 17. One end of the upper fixing clamp 17 is fixedly connected with the surface of the upper fixing frame 11 through an upper fastening screw 18. The surface of the upper fixing clamp 17 is slidably connected with the surface of the upper connector through a cable. The lower movable frame 12 fixedly connected to the surface of the lower connector is rotatably connected with a lower fixing clamp 19. One end of the lower fixing clamp 19 is fixedly connected with the surface of the lower fixing frame 13 through a lower fastening screw 20. The surface of the lower fixing clamp 19 is slidably connected with the surface of the lower connector through a cable.

[0032] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. A cable-passing safety joint, comprising an upper joint (1) and a lower joint (2), characterized in that: The upper joint (1) is located outside the lower joint (2). The surface of the upper joint (1) is respectively provided with an upper mounting plate (3), a mounting bracket (4) and an upper connecting plate (5). The surface of the lower joint (2) is respectively provided with a lower mounting plate (6) and a lower connecting plate (7). The surface of the upper mounting plate (3) is fixedly connected with a housing (8). The surface of the lower mounting plate (6) is fixedly connected with a sealing strip (9). The surface of the upper connecting plate (5) is slidably connected with the surface of the lower connecting plate (7).

2. The safety joint for passing through a cable according to claim 1, wherein: The surface of the upper joint (1) is respectively fixedly connected with an upper movable frame (10) and an upper fixed frame (11). The surface of the upper joint (1) is respectively fixedly connected with the surface of the upper mounting plate (3), the surface of the mounting bracket (4) and the surface of the upper connecting plate (5).

3. The safety joint for crossing cables according to claim 2, wherein: The surface of the lower joint (2) is respectively fixedly connected with a lower movable frame (12) and a lower fixed frame (13). The surface of the lower joint (2) is respectively fixedly connected with the surface of the lower mounting plate (6) and the surface of the lower connecting plate (7).

4. The safety joint for passing through a cable according to claim 3, wherein: The surface of the upper mounting plate (3) is respectively fixedly connected with a connecting motor (14) and a connecting battery (15). The connecting battery (15) is electrically connected with the connecting motor (14). The two connecting motors (14) are symmetrically distributed with the axis of the upper joint (1) as the center. The connecting motor (14) and the connecting battery (15) are both located inside the housing (8).

5. The safety joint for passing through a cable according to claim 4, characterized in that: The output shaft of the connecting motor (14) is fixedly connected with a connecting screw rod (16) through a coupling. The surface of the mounting bracket (4) and the surface of the upper connecting plate (5) are both rotatably connected with the surface of the connecting screw rod (16). The surface of the lower connecting plate (7) is threadedly connected with the surface of the connecting screw rod (16). The side surface of the housing (8) is slidably connected with the surface of the sealing strip (9).

6. The safety joint for crossing cables according to claim 5, characterized in that: The surface of the upper movable frame (10) is rotatably connected with an upper fixed clamp (17). The surface of the upper fixed clamp (17) is provided with an upper fastening screw (18). The surface of the upper fixed clamp (17) is fixedly connected with the surface of the upper fixed frame (11) through the upper fastening screw (18). The surface of the lower movable frame (12) is rotatably connected with a lower fixed clamp (19). The surface of the lower fixed clamp (19) is provided with a lower fastening screw (20). The surface of the lower fixed clamp (19) is fixedly connected with the surface of the lower fixed frame (13) through the lower fastening screw (20).

Images