Internal inspection equipment for steel oil and gas pipelines

By designing an internal detection device for steel oil and gas pipelines, using structures such as adjustment screws, adjustment boxes, sliding inner plates, sliding frames and moving wheels, the problem of existing equipment lacking auxiliary movement and guiding movement functions is solved, and stable and efficient detection of pipelines of different inner diameters is achieved.

CN222746898UActive Publication Date: 2025-04-11SHENGLI OILFIELD HENGWEI ENGINEERING MANAGEMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420759111.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-04-11
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

The existing detection equipment in steel oil and gas pipelines lacks the functions of assisting and guiding movement, resulting in low stability during detection.

Method used

An internal detection device including a fixed box, an adjustment screw, an adjustment box, a sliding inner plate, a sliding frame, a moving wheel and a spring are designed. Through the coordination of the No. 1 adjustment screw and the adjustment box, the position of the detection head is adjusted; through the coordination of the moving wheel and the sliding frame, the auxiliary guiding movement of the detection head in the pipeline is realized.

Benefits of technology

It realizes stable and efficient inspection in steel oil and gas pipelines with different inner diameters, improving the stability and flexibility of inspection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222746898U_ABST
    Figure CN222746898U_ABST
Patent Text Reader

Abstract

The utility model discloses an internal detection device for steel oil and gas pipelines, comprising a fixed box, one side of the fixed box is rotatably connected to a No. 1 adjusting screw rod, the outer side of the No. 1 adjusting screw rod is threadedly connected to the adjusting box, and one side of the adjusting box is fixedly connected to a No. 1 connecting side box. The beneficial effects of the utility model are as follows: by adding a movable slide plate and an adjusting pressure rod, it is realized that when the movable adjustment plate moves, the movable slide plate and the adjusting pressure rod are driven to move, and the adjusting inclined groove is pressed by the adjusting pressure rod, and the pressing of the adjusting inclined groove drives the adjusting slide plate and the No. 2 connecting side box to move, and the position of the sliding frame and the moving wheel is adjusted to adapt to steel oil and gas pipelines with different inner diameters. By arranging a No. 1 adjusting screw rod and an adjusting box, it is realized that when the No. 1 adjusting screw rod rotates, the outer side adjusting box is driven to perform position adjustment processing, and the adjusting box and the No. 1 connecting side box are extended and stored.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of internal detection of oil and gas pipelines, in particular to internal detection equipment for steel oil and gas pipelines. Background Art

[0002] Oil and gas field gathering and transportation pipelines generally refer to the oil and gas transmission pipelines built from the wellhead to the oil (gas) gathering station (gas processing plant) for the internal management, production development, and process requirements of the oil and gas field. The oil and gas field gathering and transportation pipelines are divided into oil field gathering and transportation pipelines and gas field gathering and transportation pipelines. Internal inspection of installed pipelines is a key step in pipeline inspection. Existing technologies usually use a probe-shaped structure to allow the probe to explore inward under the thrust of a hard, semi-hard, or flexible pipeline. However, the existing internal inspection equipment for steel oil and gas pipelines does not have the functions of auxiliary movement and guiding movement for internal inspection of the pipeline, and the stability is not high enough when adjusting the internal inspection of the oil and gas pipeline. Utility Model Content

[0003] The purpose of the utility model is to provide an internal inspection device for steel oil and gas pipelines, so as to solve the problem that the existing internal inspection device for steel oil and gas pipelines proposed in the above background technology does not have the function of auxiliary movement and guiding movement when inspecting inside the pipeline, and the stability is not high enough when adjusting the inspection inside the oil and gas pipeline.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an internal detection device for a steel oil and gas pipeline, comprising a fixed box, one side of the fixed box is rotatably connected to a No. 1 adjusting screw rod, the outer side of the No. 1 adjusting screw rod is threadedly connected to the adjusting box, one side of the adjusting box is fixedly connected to a No. 1 connecting side box, the interior of the No. 1 connecting side box is symmetrically slidably connected with two adjusting slides, the outer sides of the two adjusting slides are fixedly connected to the No. 2 connecting side box, the interior of the No. 2 connecting side box is slidably connected with a sliding inner plate, one side of the sliding inner plate is symmetrically fixedly connected to two sliding frames, the inner sides of the two sliding frames are rotatably connected with moving wheels, one side of the sliding inner plate is symmetrically fixedly connected to two springs, one end of the spring is fixedly connected to the No. 2 connecting side box, the interior of the adjusting box is symmetrically slidably connected with two No. 1 limiting slides, one side of the two No. 1 limiting slides are fixedly connected to the fixed box, one side of the No. 1 connecting side box is fixedly connected to a connecting seat, and a pipeline internal detection head is installed on one side of the connecting seat.

[0005] As a preferred solution of the utility model: lighting lamps are installed on the top and bottom of the connecting seat.

[0006] As a preferred solution of the utility model: the interior of the No. 1 connecting side box is slidingly connected with a movable adjustment plate, one side of the movable adjustment plate is symmetrically fixedly connected with two movable slides, the movable slide is slidingly connected to the No. 1 connecting side box, one side of the two movable slides is fixedly connected with an adjusting pressure rod, the interior of the adjusting slide is provided with an adjusting inclined groove cooperating with the adjusting pressure rod, and the adjusting pressure rod is slidingly connected to the adjusting inclined groove.

[0007] As a preferred solution of the utility model: the internal thread of the movable adjustment plate is connected with a No. 2 adjusting screw, the No. 2 adjusting screw is rotatably connected to the No. 1 connecting side box, the No. 1 connecting side box is internally installed with a No. 1 motor, and the output end of the No. 1 motor is fixedly connected to the No. 2 adjusting screw.

[0008] As a preferred solution of the utility model: a second limiting slide is fixedly connected to one side of the first limiting slide, and the second limiting slide is slidably connected to the adjustment box.

[0009] As a preferred solution of the utility model: the fixed box is internally rotatably connected with a rotating rod, one end of the rotating rod is fixedly connected to a No. 1 adjusting screw, the outer side of the rotating rod is fixedly connected with a worm gear, the fixed box is internally rotatably connected with a worm, and the worm gear is meshingly connected with the worm gear.

[0010] As a preferred solution of the utility model: a No. 2 motor is installed on the top of the fixed box, and the output end of the No. 2 motor is fixedly connected to the worm.

[0011] As a preferred solution of the utility model: a handle is fixedly connected to the bottom of the fixed box.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model adds a movable slide and an adjusting pressure rod, thereby realizing that when the movable adjustment plate moves, the movable slide and the adjusting pressure rod are driven to move; the adjusting inclined groove is pressed by the adjusting pressure rod, and the pressing of the adjusting inclined groove drives the adjusting slide and the No. 2 connecting side box to move, and the position of the sliding frame and the moving wheel is adjusted to adapt to steel oil and gas pipelines with different inner diameters; by setting a No. 1 adjusting screw and an adjusting box, it is realized that when the No. 1 adjusting screw rotates, the outer adjusting box is driven to adjust the position, and the adjusting box and the No. 1 connecting side box are extended and stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 For this utility model Figure 1 Enlarged view of point B in the middle;

[0016] Figure 4 It is a schematic diagram of the external structure of the utility model.

[0017] In the figure: 1. Fixed box; 2. Handle; 3. Adjustment box; 4. No. 1 adjustment screw; 5. No. 1 limit slide; 6. No. 2 limit slide; 7. No. 1 connecting side box; 8. Adjustment slide; 9. No. 2 connecting side box; 10. Sliding inner plate; 11. Sliding frame; 12. Moving wheel; 13. Spring; 14. Adjustment inclined groove; 15. Adjustment pressure rod; 16. Moving slide; 17. Moving adjustment plate; 18. No. 2 adjustment screw; 19. No. 1 motor; 20. Connecting seat; 21. Illumination lamp; 22. Pipeline internal detection head; 23. Worm; 24. Rotating rod; 25. Worm wheel; 26. No. 2 motor. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figures 1 to 4 The utility model provides a technical solution: an internal detection device for steel oil and gas pipelines, comprising a fixed box 1, one side of the fixed box 1 is rotatably connected to a No. 1 adjusting screw rod 4, the outer side of the No. 1 adjusting screw rod 4 is threadedly connected to an adjusting box 3, one side of the adjusting box 3 is fixedly connected to a No. 1 connecting side box 7, the interior of the No. 1 connecting side box 7 is symmetrically slidably connected to two adjusting slide plates 8, the outer sides of the two adjusting slide plates 8 are fixedly connected to a No. 2 connecting side box 9, the interior of the No. 2 connecting side box 9 is slidably connected to a sliding inner plate 10, and one side of the sliding inner plate 10 is symmetrically fixedly connected to There are two sliding frames 11, and the inner sides of the two sliding frames 11 are rotatably connected to moving wheels 12. One side of the sliding inner plate 10 is symmetrically fixedly connected to two springs 13, and one end of the spring 13 is fixedly connected to the No. 2 connecting side box 9. The inside of the adjusting box 3 is symmetrically slidably connected to two No. 1 limit slides 5, and one side of the two No. 1 limit slides 5 is fixedly connected to the fixed box 1. One side of the No. 1 connecting side box 7 is fixedly connected to a connecting seat 20, and one side of the connecting seat 20 is installed with an in-pipeline detection head 22, and the in-pipeline detection head 22 is used to detect and process the inside of the oil and gas pipeline.

[0020] Wherein, lighting lamps 21 are installed on the top and bottom of the connecting base 20, and lighting processing is performed by the lighting lamps 21.

[0021] Among them, a movable adjustment plate 17 is slidably connected inside the No. 1 connecting side box 7, and two movable slides 16 are symmetrically fixedly connected to one side of the movable adjustment plate 17. The movable slide 16 is slidably connected to the No. 1 connecting side box 7, and one side of the two movable slides 16 is fixedly connected with an adjusting pressure rod 15. An adjusting inclined groove 14 cooperating with the adjusting pressure rod 15 is opened inside the adjusting slide 8, and the adjusting pressure rod 15 is slidably connected to the adjusting inclined groove 14.

[0022] Among them, the internal thread connection of the movable adjustment plate 17 is connected with a No. 2 adjusting screw rod 18, and the No. 2 adjusting screw rod 18 is rotatably connected with the No. 1 connecting side box 7. A No. 1 motor 19 is installed inside the No. 1 connecting side box 7. The output end of the No. 1 motor 19 is fixedly connected with the No. 2 adjusting screw rod 18. The output end of the No. 1 motor 19 drives the No. 2 adjusting screw rod 18 to rotate. When the No. 2 adjusting screw rod 18 rotates, it drives the movable adjustment plate 17, the movable slide plate 16 and the adjusting pressure rod 15 to move their positions. When the adjusting pressure rod 15 moves, the adjusting inclined slot 14 and the adjusting slide plate 8 are pushed.

[0023] Among them, a second limiting slide plate 6 is fixedly connected to one side of the first limiting slide plate 5, and the second limiting slide plate 6 is slidably connected to the adjustment box 3.

[0024] Among them, the fixed box 1 is internally rotatably connected with a rotating rod 24, one end of the rotating rod 24 is fixedly connected to the No. 1 adjusting screw 4, the outer side of the rotating rod 24 is fixedly connected with a worm gear 25, and the fixed box 1 is internally rotatably connected with a worm 23, the worm 23 is meshingly connected with the worm gear 25, when the worm 23 rotates, it drives the meshing worm gear 25 to rotate, and when the worm gear 25 rotates, it drives the inner rotating rod 24 to rotate.

[0025] Among them, a second motor 26 is installed on the top of the fixed box 1, and the output end of the second motor 26 is fixedly connected to the worm 23. The output end of the second motor 26 drives the worm 23 to rotate, and the worm 23 drives the worm wheel 25 to rotate and adjust.

[0026] A handle 2 is fixedly connected to the bottom of the fixed box 1, and the fixed box 1 is moved and carried by the handle 2.

[0027] Specifically, when in use, the No. 1 motor 19, the lighting lamp 21, the pipeline detection head 22 and the No. 2 motor 26 are electrically connected through an external controller, and the No. 1 motor 19 is started through the external controller. The output end of the No. 1 motor 19 drives the No. 2 adjusting screw 18 to rotate, and when the No. 2 adjusting screw 18 rotates, it drives the movable adjusting plate 17, the movable slide plate 16 and the adjusting pressure rod 15 to move their positions. When the adjusting pressure rod 15 moves, it pushes the adjusting chute 14 and the adjusting slide plate 8, and the adjusting slide plate 8 drives the No. 2 connecting side box 9, the sliding inner plate 10, the sliding frame 11 and the moving wheel 1 2 is used for position adjustment movement, the No. 1 connecting side box 7 is extended into the steel oil and gas pipeline, the No. 2 motor 26 is started by the external controller, the output end of the No. 2 motor 26 drives the worm 23 to rotate, the worm 23 drives the meshing worm wheel 25 to rotate when the worm 23 rotates, the worm wheel 25 drives the inner rotating rod 24 to rotate when the worm wheel 25 rotates, the No. 1 adjusting screw rod 4 is driven to rotate when the rotating rod 24 rotates, the position of the adjusting box 3 and the No. 1 connecting side box 7 is adjusted, the auxiliary guide movement is carried out by the moving wheel 12, and the oil and gas pipeline is inspected by the in-pipe inspection head 22.

[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0030] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An internal inspection device for a steel oil and gas pipeline, comprising a fixed box (1), characterized in that: One side of the fixed box (1) is rotatably connected to a first adjusting screw rod (4), the outer side of the first adjusting screw rod (4) is threadedly connected to an adjusting box (3), one side of the adjusting box (3) is fixedly connected to a first connecting side box (7), the interior of the first connecting side box (7) is symmetrically slidably connected to two adjusting slide plates (8), the outer sides of the two adjusting slide plates (8) are both fixedly connected to a second connecting side box (9), the interior of the second connecting side box (9) is slidably connected to a sliding inner plate (10), and one side of the sliding inner plate (10) is symmetrically fixedly connected to two sliding frames (11) The inner sides of the two sliding frames (11) are rotatably connected with moving wheels (12), one side of the sliding inner plate (10) is symmetrically fixedly connected with two springs (13), one end of the spring (13) is fixedly connected to the second connecting side box (9), the inside of the regulating box (3) is symmetrically slidably connected with two first limiting slides (5), one side of the two first limiting slides (5) is fixedly connected to the fixed box (1), one side of the first connecting side box (7) is fixedly connected with a connecting seat (20), and one side of the connecting seat (20) is installed with a pipeline internal detection head (22).

2. The internal inspection device for steel oil and gas pipeline according to claim 1, characterized in that: Illuminating lamps (21) are installed on the top and bottom of the connecting seat (20).

3. The internal inspection device for steel oil and gas pipeline according to claim 1, characterized in that: The first connecting side box (7) is internally slidably connected with a movable adjustment plate (17), one side of the movable adjustment plate (17) is symmetrically fixedly connected with two movable slides (16), the movable slides (16) are slidably connected with the first connecting side box (7), one side of the two movable slides (16) is fixedly connected with an adjustment pressure rod (15), the interior of the adjustment slide (8) is provided with an adjustment inclined groove (14) matched with the adjustment pressure rod (15), and the adjustment pressure rod (15) is slidably connected with the adjustment inclined groove (14).

4. The internal inspection device for steel oil and gas pipeline according to claim 3 is characterized in that: The movable adjustment plate (17) is internally threadedly connected with a No. 2 adjustment screw (18), and the No. 2 adjustment screw (18) is rotationally connected to the No. 1 connection side box (7). A No. 1 motor (19) is installed inside the No. 1 connection side box (7), and the output end of the No. 1 motor (19) is fixedly connected to the No. 2 adjustment screw (18).

5. The internal inspection device for steel oil and gas pipeline according to claim 1, characterized in that: A second limiting slide plate (6) is fixedly connected to one side of the first limiting slide plate (5), and the second limiting slide plate (6) is slidably connected to the regulating box (3).

6. The internal inspection device for steel oil and gas pipeline according to claim 1, characterized in that: The fixed box (1) is internally rotatably connected to a rotating rod (24), one end of which is fixedly connected to a No. 1 adjusting screw (4), the outer side of which is fixedly connected to a worm wheel (25), and the fixed box (1) is internally rotatably connected to a worm (23), which is meshingly connected to the worm wheel (25).

7. The internal inspection device for steel oil and gas pipeline according to claim 6, characterized in that: A second motor (26) is installed on the top of the fixed box (1), and the output end of the second motor (26) is fixedly connected to the worm (23).

8. The internal inspection device for steel oil and gas pipeline according to claim 1, characterized in that: A handle (2) is fixedly connected to the bottom of the fixed box (1).