Plugging device for long oil and gas conveying pipeline

Abstract

The utility model relates to the technical field of pipeline repair, in particular to a long oil and gas pipeline plugging device which comprises a support and two clamping plates used for sealing the damaged position of a pipeline, the support is connected with a sleeve through a connecting piece, a connecting rod is placed in the sleeve, the clamping plates are arranged on the connecting rod, and first sealing gaskets attached to each other are arranged on the two clamping plates. Grooves are symmetrically formed in the clamping plate, guide rods are fixedly installed in the grooves, a connecting plate is installed on the guide rods, and an auxiliary plate corresponding to a pipeline is integrally connected to the connecting plate. The specifications of the clamping plate and the auxiliary plate are selected, so that pipelines with different specifications can be sealed after the clamping plate and the auxiliary plate are mounted; the guide rods are symmetrically arranged on the clamping plate, and the connecting plate provided with the auxiliary plate extends to the clamping plate, so that the contact area between the auxiliary plate and the clamping plate and the pipeline can be increased after the auxiliary plate and the clamping plate are connected, and the pipeline cannot be damaged when being sealed.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline repair, in particular to a long-distance oil and gas pipeline plugging device. Background Art

[0002] The oil and gas pipeline is composed of oil pipes and their accessories, and is equipped with corresponding oil pump units according to the needs of the process flow. It is designed and installed into a complete pipeline system to complete the tasks of oil loading and unloading and transportation.

[0003] According to the long-distance oil and gas pipeline plugging device disclosed in the announcement number CN217482319U, it includes a plugging bushing and a pressure clamp, the plugging bushing includes two arc-shaped plugging pieces, and the pressure clamp abuts against the two plugging pieces at the same time. The plugging bushing is supported and pressed by the pressure clamp to ensure that it is fully fitted with the pipeline during welding and does not loosen, thereby ensuring the sealing and safety of the pipeline after repair. In the above document, the damaged part of the pipeline is sealed by a plugging bushing, and the plugging bushing is installed on the compression threaded rod. The different usage occasions of the pipeline lead to different specifications of the pipeline, but the plugging bushing in the above document can only seal the pipeline of one specification, which makes it difficult for the plugging bushing to seal pipelines of different specifications, thereby affecting the adaptability of the plugging equipment; and because the coverage specifications of the plugging bushing are limited, if the damaged part of the pipeline is large, it will be difficult for the plugging bushing to seal the damaged part of the pipeline, and when the specifications of the plugging bushing are narrow, the pressure on the pipeline is more concentrated, which may cause secondary damage to the pipeline when the plugging bushing is sealing the pipeline, thereby affecting the service life and transportation efficiency of the pipeline. Utility Model Content

[0004] The utility model aims to solve the problem that the blocking equipment in the prior art is difficult to seal pipelines of different specifications, and proposes a long-distance oil and gas pipeline blocking device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A long-distance oil and gas pipeline plugging device comprises a bracket and two clamping plates for sealing damaged parts of the pipeline, the bracket is connected to a sleeve through a connecting piece, and a connecting rod is placed in the sleeve, the clamping plates are arranged on the connecting rod, and the two clamping plates are provided with sealing gaskets that fit together, grooves are symmetrically opened on the clamping plates, and guide rods are fixedly installed in the grooves, a connecting plate is installed on the guide rod, and a sub-plate corresponding to the pipeline is integrally connected to the connecting plate.

[0007] Preferably, the bracket is in a circular structure, and the clamping plate is in an arc-shaped structure adapted to the pipeline, and the bracket is provided with a self-locking moving wheel and a handle respectively.

[0008] Preferably, the connecting member includes a motor fixedly mounted on the bracket, and a bidirectional screw is fixedly connected to the output end of the motor, two matching nuts are provided on the sliding sleeve of the bidirectional screw, and a support plate is fixedly mounted on the nut, and the sleeve is arranged on the support plate.

[0009] Preferably, the bidirectional screw rod is vertically arranged, and a sliding groove for guiding the support plate is provided on the bracket.

[0010] Preferably, the clamping plate and the connecting rod extend to a side position outside the sleeve, and a fixing bolt corresponding to the connecting rod is threadedly connected to the sleeve.

[0011] Preferably, the guide rod is arranged horizontally, the sub-plate is an arc-shaped structure adapted to the pipeline, and two sub-plates are provided with two sealing gaskets that fit in with each other, and the clamping plate is threadedly connected with a locking bolt corresponding to the connecting plate.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model selects the specifications of the clamping plate and the auxiliary plate, and connects the connecting rod and the sleeve, so that the clamping plate and the auxiliary plate can seal pipes of different specifications after installation.

[0014] 2. The utility model arranges symmetrical guide rods on the clamping plate, and extends the connecting plate with the sub-plate to the clamping plate, so that the contact area with the pipeline can be increased after the sub-plate and the clamping plate are connected, so that the pipeline will not be damaged when sealed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a long-distance oil and gas pipeline plugging device proposed by the utility model;

[0016] Figure 2 This is a bottom view of a long-distance oil and gas pipeline plugging device proposed by the utility model;

[0017] Figure 3 The utility model is a side sectional view of a long-distance oil and gas pipeline plugging device.

[0018] In the figure: 1. bracket; 2. motor; 3. bidirectional screw; 4. nut; 5. support plate; 6. sleeve; 7. connecting rod; 8. clamping plate; 9. sealing gasket 1; 10. groove; 11. guide rod; 12. connecting plate; 13. sub-plate; 14. sealing gasket 2. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 3 A long-distance oil and gas pipeline plugging device comprises a bracket 1 and two clamping plates 8 for sealing the damaged part of the pipeline. The bracket 1 is a circular structure, and the clamping plates 8 are arc-shaped structures adapted to the pipeline. The bracket 1 is provided with self-locking moving wheels and a handle respectively;

[0021] The bracket 1 is connected to the sleeve 6 via a connecting piece, and a connecting rod 7 is placed in the sleeve 6;

[0022] The connecting piece includes a motor 2 fixedly mounted on the bracket 1, and a bidirectional screw 3 is fixedly connected to the output end of the motor 2, two matching nuts 4 are slidingly sleeved on the bidirectional screw 3, and a support plate 5 is fixedly mounted on the nut 4, and a sleeve 6 is arranged on the support plate 5. After the motor 2 is powered on, the bidirectional screw 3 is driven to rotate in the bracket 1. This technical solution is a prior art and will not be elaborated on in detail here.

[0023] The bidirectional screw rod 3 is vertically arranged, and a slide groove for guiding the support plate 5 is provided on the bracket 1. The slide groove guides the support plate 5, thereby limiting the moving direction of the nut 4;

[0024] The clamping plate 8 is arranged on the connecting rod 7, and the clamping plate 8 and the connecting rod 7 extend to one side outside the sleeve 6. The sleeve 6 is threadedly connected with a fixing bolt corresponding to the connecting rod 7, and the two clamping plates 8 are provided with a fitting sealing gasket 9. When sealing the pipeline, the specifications of the pipeline are measured using a measuring ruler, and the clamping plate 8 and the sub-plate 13 are selected according to the specifications of the pipeline, so that the specifications of the clamping plate 8 and the sub-plate 13 can seal pipelines of different specifications, thereby improving the adaptability of the plugging device;

[0025] The clamping plate 8 is symmetrically provided with grooves 10, and a guide rod 11 is fixedly installed in the groove 10, a connecting plate 12 is installed on the guide rod 11, and a sub-plate 13 corresponding to the pipeline is integrally connected to the connecting plate 12, and the guide rod 11 guides the connecting plate 12, so that the connecting plate 12 can drive the sub-plate 13 to fit with the clamping plate 8 when moving, thereby increasing the contact degree between the clamping plate 8, the sub-plate 13 and the pipeline, thereby reducing the pressure exerted by the clamping plate 8 and the sub-plate 13 on the damaged part of the pipeline;

[0026] The guide rod 11 is arranged horizontally, the auxiliary plate 13 is an arc-shaped structure adapted to the pipeline, and the two auxiliary plates 13 are provided with sealing gaskets 14 that fit together, and the clamping plate 8 is threadedly connected with a locking bolt corresponding to the connecting plate 12.

[0027] The functional principle of the utility model can be explained through the following operation modes:

[0028] The operator measures the specifications of the pipeline using a measuring tool. After the specifications of the pipeline are determined, the operator selects the specifications of the clamping plate 8 and the sub-plate 13;

[0029] Extend the connecting rod 7 equipped with the clamping plate 8 into the sleeve 6, and connect the sleeve 6 and the connecting rod 7 with a fixing bolt;

[0030] Extend the connecting plate 12 equipped with the auxiliary plate 13 into the groove 10, so that the connecting plate 12 fits with the clamping plate 8 when sliding on the guide rod 11, and use the locking bolt to connect the clamping plate 8 and the connecting plate 12;

[0031] The handle pulls the bracket 1, and drives the bracket 1 to sleeve the pipeline through the self-locking moving wheel;

[0032] When the bracket 1 drives the clamping plate 8 to correspond to the pipeline damage;

[0033] The output end of the motor 2 drives the bidirectional screw 3 to rotate, and when the bidirectional screw 3 rotates, it drives the two nuts 4 to move in the same direction or in the opposite direction;

[0034] When the two nuts 4 move toward each other, they drive the support plate 5 to move in the slide groove, so that the support plate 5 drives the sleeve 6, the connecting rod 7, the clamping plate 8, and the sub-plate 13 to move toward each other, so that the two clamping plates 8 can seal the pipeline from both ends. At the same time, the two sub-plates 13 can increase the contact degree with the pipeline, the sealing gasket 1 9 can seal the connection between the two clamping plates 8, and the sealing gasket 2 14 can seal the connection between the two sub-plates 13.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A long-distance oil and gas pipeline plugging device, comprising a bracket (1) and two clamping plates (8) for sealing damaged parts of the pipeline, characterized in that: The bracket (1) is connected to a sleeve (6) via a connecting piece, and a connecting rod (7) is placed in the sleeve (6), the clamping plate (8) is arranged on the connecting rod (7), and the two clamping plates (8) are provided with sealing gaskets (9) that fit together, the clamping plates (8) are symmetrically provided with grooves (10), and a guide rod (11) is fixedly installed in the groove (10), a connecting plate (12) is installed on the guide rod (11), and a sub-plate (13) corresponding to the pipeline is integrally connected to the connecting plate (12).

2. A long-distance oil and gas pipeline plugging device according to claim 1, characterized in that: The support (1) is of a circular structure, and the clamping plate (8) is of an arc-shaped structure adapted to the pipeline. The support (1) is provided with a self-locking moving wheel and a handle.

3. The long-distance oil and gas pipeline plugging device according to claim 1 is characterized in that: The connecting member comprises a motor (2) fixedly mounted on a bracket (1), and a bidirectional screw rod (3) is fixedly connected to the output end of the motor (2), two matching nuts (4) are provided on a sliding sleeve on the bidirectional screw rod (3), and a support plate (5) is fixedly mounted on the nut (4), and the sleeve (6) is provided on the support plate (5).

4. A long-distance oil and gas pipeline plugging device according to claim 3, characterized in that: The bidirectional screw rod (3) is arranged vertically, and a slide groove for guiding the support plate (5) is provided on the bracket (1).

5. The long-distance oil and gas pipeline plugging device according to claim 1 is characterized in that: The clamping plate (8) and the connecting rod (7) extend to a side position outside the sleeve (6), and a fixing bolt corresponding to the connecting rod (7) is threadedly connected to the sleeve (6).

6. The long-distance oil and gas pipeline plugging device according to claim 1 is characterized in that: The guide rod (11) is arranged horizontally, the auxiliary plate (13) is an arc-shaped structure adapted to the pipeline, and the two auxiliary plates (13) are provided with sealing gaskets (14) that fit together, and the clamping plate (8) is threadedly connected with a locking bolt corresponding to the connecting plate (12).

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