Device for detecting natural gas in natural gas pipeline

Abstract

The utility model discloses a device for detecting natural gas in a natural gas pipeline, which belongs to the technical field of natural gas detection, and comprises a fixing ring, a supporting arm mechanism is arranged in the fixing ring, the supporting arm mechanism comprises two sleeves which are symmetrically arranged up and down, screw rods are in threaded connection with the interiors of the sleeves, and a detection device body is located between the screw rods. The sleeves are provided with locking pieces, the ends, away from each other, of the sleeves are provided with semicircular supporting pieces, and movable balls are rotationally arranged in the semicircular supporting pieces. And meanwhile, the detection device body is located at the central position of the natural gas pipeline, so that deviation of a detection result is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas detection, in particular to a natural gas detection device in a natural gas pipeline. Background Art

[0002] As an excellent, efficient and clean energy, natural gas has been gaining popularity in recent years. With the development of industrial technology and the improvement of people's awareness of environmental protection, more and more people are beginning to use natural gas. So far, natural gas is not only used by ordinary households, but many factories are also transforming to use natural gas. Especially since the West-East Gas Pipeline Project was put into operation, natural gas has gradually become the dominant source of urban gas, which not only promotes social and economic development, but also reduces environmental pollution.

[0003] The main way to transport natural gas is the natural gas pipeline. During the use of the natural gas pipeline, a detection device is used to detect the natural gas in the natural gas pipeline, such as the "Natural Gas Detection Device in a Natural Gas Pipeline" disclosed in Patent Publication No. CN219367141U, which is vertically connected to the middle of the upper surface of the fixed frame through the bottom of the telescopic rod. The placement sleeve can be raised and lowered through the telescopic rod at the bottom, and the movable ball can be rotated inside the placement sleeve. The movable ball fits against the inner wall of the natural gas pipe and limits the upper part of the fixed frame to a certain extent, so as to achieve the effect of adjusting and using natural gas pipelines of different sizes.

[0004] However, when the above structure is in use, the telescopic rod is extended or shortened unidirectionally, so that the movable ball fits the inner wall of the natural gas pipeline of different diameters. However, the position of the detection equipment after fitting is not the center of the natural gas pipeline, which leads to the detection of natural gas at different positions, resulting in deviation in the detection results. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the location of the detection equipment is not the central location of the natural gas pipeline, which results in the detection of natural gas at different locations, thereby causing deviations in the detection results.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is: a natural gas detection device in a natural gas pipeline, comprising a fixed ring, a detection device body is arranged in the fixed ring, a support arm mechanism is arranged in the fixed ring, the support arm mechanism comprises two sleeves symmetrically arranged up and down, the sleeves are slidably connected to the fixed ring, screws are threadedly connected in the sleeves, the rotation directions of the screws are opposite, the detection device body is located between the screws, locking pieces are arranged on the sleeves, semicircular supports are arranged at the ends of the sleeves away from each other, movable balls are rotatably arranged in the semicircular supports, and a driving mechanism is arranged on the sleeves.

[0007] As a further solution of the utility model, the locking member includes a collar, which is sleeved on the sleeve and located at one end of the sleeve close to the mounting frame, and the collar is threadedly connected with a locking bolt.

[0008] As a further solution of the utility model, the driving mechanism includes a connecting rod, a connecting plate is provided on the other side of the connecting rod, a U-shaped part is provided under the connecting plate, a micro motor is provided at one side of the U-shaped part, a rotating shaft is provided at the output end of the micro motor, one end of the rotating shaft extends into the opening of the U-shaped part and is rotatably connected to the U-shaped part, and a roller is provided on the rotating shaft.

[0009] As a further solution of the utility model, slide bars are provided on both sides of the sleeve, and a slide groove is provided on the fixing ring, and the slide bar and the slide groove are slidably matched.

[0010] As a further solution of the utility model, the roller is flush with the bottom surface of the movable ball.

[0011] As a further solution of the utility model, a mounting frame is provided between the screw rods, the detection device body is located in the mounting frame, and the screw rods are fixedly connected to the mounting frame.

[0012] The advantage of the utility model over the prior art is that by arranging a support arm mechanism, the screws on the upper and lower sides are driven to rotate simultaneously when the mounting frame is rotated, and the screws drive the sleeves to move closer to or away from each other, so that the movable ball is pressed against the inner walls of natural gas pipelines of different specifications, and at the same time the detection device body is located at the center of the natural gas pipeline, thereby avoiding deviations in the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional diagram of a natural gas detection device in a natural gas pipeline.

[0014] Figure 2 The utility model is a partially enlarged schematic diagram of a natural gas detection device in a natural gas pipeline.

[0015] Figure 3 The utility model is a schematic diagram of a driving mechanism of a natural gas detection device in a natural gas pipeline.

[0016] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of a natural gas detection device in a natural gas pipeline.

[0017] As shown in the figure: 1. fixing ring; 2. detection device body; 3. sleeve; 4. screw; 5. locking piece; 6. semicircular support; 7. movable ball; 8. collar; 9. locking bolt; 10. connecting rod; 11. connecting plate; 12. U-shaped piece; 13. micro motor; 14. rotating shaft; 15. roller; 16. slide bar; 17. slide groove; 18. mounting frame. 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] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0020] Combined with Figure 1 , Figure 2 , Figure 4 , a natural gas detection device in a natural gas pipeline, comprising a fixing ring 1, a detection device body 2 is arranged in the fixing ring 1, a support arm mechanism is arranged in the fixing ring 1, the support arm mechanism comprises two sleeves 3 symmetrically arranged up and down, the sleeve 3 is slidably connected to the fixing ring 1, a slide bar 16 is arranged at both sides of the sleeve 3, a slide groove 17 is arranged on the fixing ring 1, the slide bar 16 and the slide groove 17 are slidably matched, a screw 4 is threadedly connected in the sleeve 3, the rotation direction of the screw 4 is opposite, a mounting frame 18 is arranged between the screws 4, the detection device body 2 is located in the mounting frame 18, the screw 4 is fixedly connected to the mounting frame 18, the detection device body 2 is located between the screws 4, a locking piece 5 is arranged on the sleeve 3, and a semicircular support piece 6 is arranged at one end of the sleeve 3 away from each other, an active ball 7 is rotatably arranged in the semicircular support piece 6, and a driving mechanism is arranged on the sleeve 3.

[0021] Combined with Figure 2 The locking member 5 includes a collar 8, which is sleeved on the sleeve 3 and located at one end of the sleeve 3 close to the mounting frame 18, and a locking bolt 9 is threadedly connected to the collar 8.

[0022] Combined with Figure 1 The driving mechanism includes a connecting rod 10, a connecting plate 11 is provided on the other side of the connecting rod 10, a U-shaped part 12 is provided under the connecting plate 11, a micro motor 13 is provided on one side of the U-shaped part 12, and a rotating shaft 14 is provided at the output end of the micro motor 13. One end of the rotating shaft 14 extends into the opening of the U-shaped part 12 and is rotatably connected to the U-shaped part 12. A roller 15 is provided on the rotating shaft 14, and the roller 15 is flush with the bottom surface of the movable ball 7.

[0023] During the specific implementation of the utility model, the mounting frame is first rotated, and the mounting frame drives the screws on the upper and lower sides to rotate simultaneously. Under the sliding cooperation of the slide bar and the slide groove, the screw drives the sleeves to move closer to or away from each other, so that the movable ball is against the inner wall of the natural gas pipeline of different specifications. At the same time, the detection device body is located at the center of the natural gas pipeline to avoid deviation in the detection result. Then, the micro motor is started, the micro motor drives the rotating shaft to rotate, and the rotating shaft drives the roller to rotate. With the cooperation of the movable ball, the detection device body is moved in the natural gas pipeline.

[0024] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A natural gas detection device in a natural gas pipeline, comprising a fixing ring (1), wherein a detection device body (2) is arranged inside the fixing ring (1), characterized in that: A support arm mechanism is provided inside the fixing ring (1), and the support arm mechanism includes two sleeves (3) symmetrically arranged up and down, the sleeves (3) are slidably connected to the fixing ring (1), and screws (4) are threadedly connected inside the sleeves (3), and the rotation directions of the screws (4) are opposite. The detection device body (2) is located between the screws (4), and locking pieces (5) are provided on the sleeves (3). The ends of the sleeves (3) that are away from each other are provided with semicircular support pieces (6), and movable balls (7) are rotatably provided inside the semicircular support pieces (6). A driving mechanism is provided on the sleeves (3).

2. A natural gas detection device in a natural gas pipeline according to claim 1, characterized in that: The locking member (5) comprises a collar (8), which is sleeved on the sleeve (3) and located at one end of the sleeve (3) close to the mounting frame (18), and a locking bolt (9) is threadedly connected to the collar (8).

3. A natural gas detection device in a natural gas pipeline according to claim 1, characterized in that: The driving mechanism comprises a connecting rod (10), a connecting plate (11) is provided on the other side of the connecting rod (10), a U-shaped member (12) is provided below the connecting plate (11), a micro motor (13) is provided on one side of the U-shaped member (12), a rotating shaft (14) is provided at the output end of the micro motor (13), one end of the rotating shaft (14) extending into the opening of the U-shaped member (12) is rotatably connected to the U-shaped member (12), and a roller (15) is provided on the rotating shaft (14).

4. A natural gas detection device in a natural gas pipeline according to claim 1, characterized in that: Slide bars (16) are provided on both sides of the sleeve (3), a slide groove (17) is provided on the fixing ring (1), and the slide bar (16) and the slide groove (17) are slidably matched.

5. A natural gas detection device in a natural gas pipeline according to claim 3, characterized in that: The roller (15) is flush with the bottom surface of the movable ball (7).

6. A natural gas detection device in a natural gas pipeline according to claim 1, characterized in that: A mounting frame (18) is provided between the screw rods (4), the detection device body (2) is located in the mounting frame (18), and the screw rods (4) are fixedly connected to the mounting frame (18).

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