Natural gas pipeline plugging device convenient to install

Abstract

The utility model relates to the technical field of pipeline installation, in particular to a natural gas pipeline plugging device convenient to install, which mainly comprises an installation frame, a fixing frame, three connecting plates arranged on the right side of the installation frame, a fixing mechanism arranged in the installation frame and used for fixing a natural gas pipeline. The fixing mechanism is used for fixing the device to the outer wall of the pipeline, and the blocking mechanism is arranged on the right side of the fixing mechanism and used for blocking the pipeline. The device is arranged on the outer side of a pipeline in a sleeving mode, a first handle is rotated, the first handle drives a first threaded rod to rotate, the first threaded rod rotates and moves at the same time, a fixing plate is driven to move, the fixing plate drives a clamping plate to move, and the clamping plate clamps and fixes the pipeline; the device can be fixed without fixing the device and a flange plate of a pipeline through a plurality of bolts, convenience and rapidness are achieved, efficiency is improved, and the device can be fixed more stably through a plurality of anti-skid pads.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline installation, in particular to a natural gas pipeline plugging device which is easy to install. Background Art

[0002] A natural gas pipeline is a pipeline that transports natural gas from the extraction site or processing plant to the city's gas distribution center or industrial enterprise users. It is also called a gas transmission pipeline. During the installation and laying process of a natural gas pipeline, it is necessary to conduct a leak test on each section of the installed natural gas pipeline. Before conducting a leak test, it is necessary to first temporarily seal the end of the natural gas, and then use the test equipment to test the natural gas pipeline.

[0003] The structure of the existing natural gas pipeline plugging device is too complicated. When fixing it, it is necessary to fix the device to the flange of the pipeline with multiple bolts, which is cumbersome to operate and inefficient.

[0004] Therefore, a natural gas pipeline plugging device that is easy to install is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a natural gas pipeline plugging device which is easy to install, so as to solve the problems raised by the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A natural gas pipeline plugging device that is easy to install, comprising:

[0008] Mounting frame;

[0009] A fixing frame, arranged on the right side of the installation frame;

[0010] Three connecting plates are provided and fixedly installed on the right side of the installation frame;

[0011] A fixing mechanism, arranged inside the installation frame, for fixing the device on the outer wall of the pipeline;

[0012] The blocking mechanism is arranged on the right side of the fixing mechanism and is used for blocking the pipeline.

[0013] Preferably, the fixing mechanism includes three first threaded rods, the right sides of the three connecting plates are fixedly connected to the left side of the fixing frame, one ends of the three first threaded rods are respectively threaded through the outer walls of the three connecting plates and extend to the interior of the connecting plates, and the other ends of the three first threaded rods are respectively fixedly installed with first handles.

[0014] Preferably, the near ends of the three first threaded rods are rotatably connected to a fixing plate through a first bearing seat, and two clamping plates are fixedly installed near the sides of the three fixing plates, and multiple anti-slip pads are fixedly installed on the inner walls of the multiple clamping plates.

[0015] Preferably, two limit rods are fixedly installed on the outer walls of the three fixed plates respectively, and the other ends of the limit rods slide through the inner walls of the three connecting plates and extend to the outside of the connecting plates respectively, and one end of the limit rods is fixedly installed with a circular plate respectively.

[0016] Preferably, the blocking mechanism comprises three mounting plates fixedly mounted on the right side of the fixing frame, the right sides of the three mounting plates are fixedly mounted with adjustment frames, and inner walls of the three mounting plates are respectively provided with T-shaped grooves.

[0017] Preferably, the inner walls of the three T-slots are slidably connected with T-blocks respectively, the other side surfaces of the three T-blocks are fixedly installed with fixed sleeves, the inner walls of the fixed sleeves are fixedly installed with blocking blocks, and the outer walls of the blocking blocks are fixedly installed with multiple sealing rings.

[0018] Preferably, three fixing bars are fixedly mounted on the inner wall of the adjustment frame, and an adjustment plate is fixedly mounted on the other ends of the three fixing bars, and a threaded hole is formed through the side surface of the adjustment plate.

[0019] Preferably, the right side surface of the blocking block is rotatably connected to a second threaded rod through a second bearing seat, the other end of the second threaded rod is fixedly connected to a second handle, and the outer wall of the second threaded rod is threadedly connected to the inner wall of the threaded hole.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The utility model puts the device on the outside of the pipeline and rotates the first handle, which drives the first threaded rod to rotate. The first threaded rod rotates and moves at the same time, driving the fixed plate to move. The fixed plate drives the clamping plate to move. The clamping plate clamps and fixes the pipeline. The device can be fixed without fixing the device and the flange of the pipeline with multiple bolts. The utility model is convenient and fast, and the efficiency is improved. In addition, multiple anti-slip pads are provided to fix the device more firmly.

[0022] By rotating the second handle, the second threaded rod is driven to rotate, and the rotation of the second threaded rod simultaneously drives the blocking block to move, and with the cooperation of the blocking block and the sealing ring, the inner wall of the pipeline is blocked and sealed, making the pipeline blocking faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2It is a schematic diagram of the left side of the three-dimensional structure of the utility model;

[0025] Figure 3 It is an exploded view of the fixing mechanism of the utility model;

[0026] Figure 4 It is an exploded view of the blocking mechanism of the utility model.

[0027] In the figure: 1. installation frame; 101. fixing frame; 102. connecting plate; 2. fixing mechanism; 201. first threaded rod; 202. first handle; 203. fixing plate; 204. clamping plate; 205. anti-skid pad; 206. limiting rod; 207. round plate; 3. blocking mechanism; 301. installation plate; 302. adjusting frame; 303. T-slot; 304. T-block; 305. fixing sleeve; 306. blocking block; 307. sealing ring; 308. fixing strip; 309. adjusting plate; 310. second threaded rod; 311. second handle. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0030] Example 1: Please refer to Figure 1-4 The utility model provides a technical solution: a natural gas pipeline plugging device that is easy to install, comprising: an installation frame 1, a fixing frame 101, which is arranged on the right side of the installation frame 1, and a connecting plate 102, which is provided with three and fixedly installed on the right side of the installation frame 1;

[0031] The fixing mechanism 2 is arranged inside the installation frame 1 and is used to fix the device on the outer wall of the pipeline. The fixing mechanism 2 includes three first threaded rods 201. The right sides of the three connecting plates 102 are fixedly connected to the left side of the fixing frame 101. One ends of the three first threaded rods 201 respectively penetrate the outer walls of the three connecting plates 102 through threads and extend to the inside of the connecting plates 102. The other ends of the three first threaded rods 201 are respectively fixedly installed with first handles 202. The near ends of the three first threaded rods 201 are respectively rotatably connected with fixing plates 203 through first bearing seats. Two clamping plates 204 are respectively fixedly installed near the sides of the three fixing plates 203. Multiple anti-slip pads 205 are respectively fixedly installed on the inner walls of the multiple clamping plates 204. Two limiting rods 206 are respectively fixedly installed on the outer walls of the three fixing plates 203. The other ends of the multiple limiting rods 206 respectively slide through the inner walls of the three connecting plates 102 and extend to the outside of the connecting plates 102. One ends of the multiple limiting rods 206 are respectively fixedly installed with circular plates 207.

[0032] By putting the device on the outside of the pipeline and rotating the first handle 202, the first handle 202 drives the first threaded rod 201 to rotate, and the first threaded rod 201 rotates and moves at the same time, driving the fixing plate 203 to move, and the fixing plate 203 drives the clamping plate 204 to move, and the clamping plate 204 clamps and fixes the pipeline, and the device can be fixed without fixing the device and the flange of the pipeline with multiple bolts, which is convenient and fast, and improves efficiency, and the multiple anti-slip pads 205 provided can fix the device more firmly;

[0033] Embodiment 2: Figure 1-4 As shown, a natural gas pipeline plugging device that is easy to install is disclosed in the second embodiment of the present invention. Its structure is basically the same as that in the first embodiment. The difference is that the plugging mechanism 3 is arranged on the right side of the fixing mechanism 2 and is used to plug the pipeline. The plugging mechanism 3 includes three mounting plates 301 fixedly mounted on the right side of the fixing frame 101. The right sides of the three mounting plates 301 are fixedly mounted with adjustment frames 302. The inner walls of the three mounting plates 301 are respectively provided with T-shaped grooves 303. The inner walls of the three T-shaped grooves 303 are respectively slidably connected with T-shaped blocks 304. The other sides of the three T-shaped blocks 304 are A fixing sleeve 305 is fixedly installed on the surface, a blocking block 306 is fixedly installed on the inner wall of the fixing sleeve 305, a plurality of sealing rings 307 are fixedly installed on the outer wall of the blocking block 306, three fixing bars 308 are fixedly installed on the inner wall of the adjustment frame 302, an adjusting plate 309 is fixedly installed on the other end of the three fixing bars 308, a threaded hole is opened through the side of the adjusting plate 309, a second threaded rod 310 is rotatably connected to the right side of the blocking block 306 through a second bearing seat, a second handle 311 is fixedly connected to the other end of the second threaded rod 310, and the outer wall of the second threaded rod 310 is threadedly connected to the inner wall of the threaded hole;

[0034] By rotating the second handle 311, the second threaded rod 310 is driven to rotate, and the rotation of the second threaded rod 310 drives the blocking block 306 to move at the same time. With the cooperation of the blocking block 306 and the sealing ring 307, the inner wall of the pipeline is blocked and sealed, making the pipeline blocking faster.

[0035] The specific solution is as follows: the device is put on the outside of the pipeline, and the first handle 202 is rotated. The first handle 202 drives the first threaded rod 201 to rotate, and the first threaded rod 201 rotates and moves at the same time, driving the fixed plate 203 to move, and the fixed plate 203 drives the clamping plate 204 to move, and the clamping plate 204 clamps and fixes the pipeline. There is no need to fix the device to the flange of the pipeline with multiple bolts. It is convenient and fast to improve efficiency. In addition, the multiple anti-slip pads 205 provided can fix the device more firmly, and the second handle 311 is rotated to drive the second threaded rod 310 to rotate. The second threaded rod 310 rotates and drives the blocking block 306 to move at the same time. With the cooperation of the blocking block 306 and the sealing ring 307, the inner wall of the pipeline is sealed, so that the pipeline is blocked more quickly.

[0036] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary; under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0037] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A natural gas pipeline plugging device that is easy to install, characterized in that: include: Mounting frame (1); A fixing frame (101), arranged on the right side of the installation frame (1); Three connecting plates (102) are provided and fixedly mounted on the right side of the mounting frame (1); A fixing mechanism (2), arranged inside the installation frame (1) and used for fixing the device on the outer wall of the pipeline; The blocking mechanism (3) is arranged on the right side of the fixing mechanism (2) and is used to block the pipeline.

2. A natural gas pipeline plugging device that is easy to install according to claim 1, characterized in that: The fixing mechanism (2) comprises three first threaded rods (201), the right sides of the three connecting plates (102) are fixedly connected to the left side of the fixing frame (101), one end of the three first threaded rods (201) respectively passes through the outer walls of the three connecting plates (102) and extends to the inside of the connecting plates (102), and the other ends of the three first threaded rods (201) are respectively fixedly mounted with first handles (202).

3. A natural gas pipeline plugging device that is easy to install according to claim 2, characterized in that: The three first threaded rods (201) are rotatably connected to fixed plates (203) at their proximal ends via first bearing seats, and two clamping plates (204) are fixedly mounted on the proximal sides of the three fixed plates (203), and multiple anti-slip pads (205) are fixedly mounted on the inner walls of the multiple clamping plates (204).

4. A natural gas pipeline plugging device that is easy to install according to claim 3, characterized in that: Two limit rods (206) are fixedly mounted on the outer walls of the three fixed plates (203), respectively; the other ends of the limit rods (206) slide through the inner walls of the three connecting plates (102) and extend to the outside of the connecting plates (102), and a circular plate (207) is fixedly mounted on one end of the limit rods (206).

5. The easy-to-install natural gas pipeline plugging device according to claim 1 is characterized in that: The blocking mechanism (3) comprises three mounting plates (301) fixedly mounted on the right side of the fixing frame (101), the right sides of the three mounting plates (301) having adjustment frames (302) fixedly mounted thereon, and inner walls of the three mounting plates (301) are respectively provided with T-shaped slots (303).

6. A natural gas pipeline plugging device that is easy to install according to claim 5, characterized in that: The inner walls of the three T-shaped slots (303) are slidably connected to T-shaped blocks (304), the other side surfaces of the three T-shaped blocks (304) are fixedly mounted with fixing sleeves (305), the inner wall of the fixing sleeves (305) is fixedly mounted with blocking blocks (306), and the outer wall of the blocking blocks (306) is fixedly mounted with a plurality of sealing rings (307).

7. A natural gas pipeline plugging device that is easy to install according to claim 6, characterized in that: Three fixing bars (308) are fixedly mounted on the inner wall of the adjustment frame (302), and an adjustment plate (309) is fixedly mounted on the other end of the three fixing bars (308), and a threaded hole is formed through the side of the adjustment plate (309).

8. The easy-to-install natural gas pipeline plugging device according to claim 7, characterized in that: The right side surface of the blocking block (306) is rotatably connected to a second threaded rod (310) via a second bearing seat, the other end of the second threaded rod (310) is fixedly connected to a second handle (311), and the outer wall of the second threaded rod (310) is threadedly connected to the inner wall of the threaded hole.

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