Oil and gas long-distance pipeline leakage monitoring auxiliary device

Abstract

The utility model discloses an oil and gas long-distance pipeline leakage monitoring auxiliary device which comprises pipelines, the outer portions of the two pipelines are both fixedly connected with installation cylinders, the side faces of the two installation cylinders are both fixedly connected with telescopic pipes, and the ends, away from the installation cylinders, of the two telescopic pipes are both fixedly connected with fixing rings. The outer surface of one fixing ring is in threaded connection with a rotating ring, two push rods are slidably connected into the fixing ring, the ends, away from the rotating ring, of the two push rods are fixedly connected with a pressing ring, the ends, away from the pressing ring, of the two push rods are both slidably connected with the side face of the rotating ring, and the side face of the pressing ring is fixedly connected with a sealing ring. The side face of the sealing ring is attached to the side face of the other fixing ring, the sealing performance of the connecting position of the device is improved, natural gas leakage can be effectively prevented, it is guaranteed that in the leakage process, internal air pressure is increased, leakage can be monitored in time, a worker can conveniently disassemble the device, structural installation is stable, and a pipeline is convenient to maintain and repair and convenient to install.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline monitoring technical field, especially relate to a kind of oil and gas long-distance pipeline leakage monitoring auxiliary device. BACKGROUND

[0002] Pipeline technology has unique advantages in long-distance transportation of natural gas, is conducive to transporting it to energy-deficient areas, and occupies an important position in the energy transportation field. Pipelines are usually spliced in multiple sections. After long-term use, leaks can occur at the pipe interface, so long-term monitoring is required.

[0003] The existing oil and gas long-distance pipeline leakage monitoring auxiliary device has poor sealing after installation. When natural gas leaks, it will cause external leakage and is not convenient for workers to disassemble and maintain. The utility model device can effectively increase the sealing after installation, prevent leakage and facilitate the disassembly of workers, and is convenient for maintaining the pipeline. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of oil and gas long-distance pipeline leakage monitoring auxiliary device, solve the problem that sealing is not good after installation, when natural gas leaks, it will cause external leakage and is not convenient for workers to disassemble and maintain.

[0005] To achieve the above purpose, an oil and gas long-distance pipeline leakage monitoring auxiliary device is provided, comprising: a pipeline, two pipeline outer portions are fixedly connected to installation cylinders, two installation cylinder side surfaces are fixedly connected to telescopic pipes, two telescopic pipe ends away from the installation cylinder are fixedly connected to fixing rings, one of the fixing ring outer surfaces is threadedly connected to a rotating ring, the fixing ring interior is slidably connected to two push rods, two push rod ends away from the rotating ring are fixedly connected to compression rings, two push rod ends away from the compression ring are slidably connected to the rotating ring side surface, the compression ring side surface is fixedly connected to a sealing ring, the sealing ring side surface is attached to the other fixing ring side surface, increasing the sealing of the device connection, effectively preventing natural gas leakage, ensuring internal pressure increase when leaking, and facilitating timely monitoring of leaks.

[0006] Two outer surfaces of the fixing rings are fixedly connected with the first mounting ring and the second mounting ring respectively, the side surface of the first mounting ring is fixedly connected with two fixed rods, one end of each of the two fixed rods extends to the outside of the second mounting ring, the inner wall of the second mounting ring is fixedly connected with two second springs, the inside of the second mounting ring is slidably connected with two insertion rods, the lower end of each of the two insertion rods is slidably connected with the inside of the fixed rod, the two second springs are arranged outside the second mounting ring respectively, the inner wall of each of the two insertion rods is fixedly connected with a first spring, one end of each of the two first springs is fixedly connected with a limiting block, and one end of each of the two limiting blocks extends to the inside of the second mounting ring, so that the staff can conveniently disassemble, the structure is stable, the pipeline can be conveniently maintained and repaired, and installation is facilitated.

[0007] According to the oil and gas long-distance pipeline leakage monitoring auxiliary device, the limiting block is in a concave shape, the other end of the limiting block extends to the outside of the insertion rod, the limiting block and the first spring are used for limiting the insertion rod, and the structural stability is improved.

[0008] According to the oil and gas long-distance pipeline leakage monitoring auxiliary device, the side surface of the mounting cylinder is fixedly connected with two second telescopic rods, the side surface of the fixing ring is fixedly connected with two first telescopic rods, and one end of the second telescopic rod is slidably connected with the inside of the first telescopic rod, so that the fixing ring can be moved during disassembly.

[0009] According to the oil and gas long-distance pipeline leakage monitoring auxiliary device, the two first telescopic rods are symmetrically arranged, and the two second telescopic rods are symmetrically arranged, so that the fixing ring moves more stably and is convenient to disassemble.

[0010] According to the oil and gas long-distance pipeline leakage monitoring auxiliary device, the inner wall of one of the mounting cylinders is provided with an air pressure sensor, and the side surface of one of the mounting cylinders is fixedly connected with an alarm, so that the internal air pressure can be monitored, the alarm is triggered when the internal air pressure exceeds a set value, and the alarm can warn the staff.

[0011] According to the oil and gas long-distance pipeline leakage monitoring auxiliary device, the alarm is detachably connected with a protective cover, and the two pipelines are connected through flanges, so that the protective cover can protect the alarm and prolong the service life of the alarm.

[0012] According to the oil and gas long-distance pipeline leakage monitoring auxiliary device, the sealing ring is annular, and the compression ring is annular, so that the compression ring and the sealing ring are convenient to install and seal.

[0013] The above-mentioned scheme has the beneficial effects that:

[0014] 1、When need to disassemble, by pressing the limiting block, thereby release the limiting block to the plug rod limit, convenient staff to pull the plug rod to release the limit of the fixed rod, convenient staff to disassemble, easy to maintain the pipeline, when installing, the fixed rod is inserted into the second installation ring, by pressing the limiting block, convenient second spring to push the plug rod to limit the fixed rod, by the first spring to push the limiting block, convenient limiting block to limit the plug rod, increase the structure stability.

[0015] 2、By screwing the rotating ring, thereby pushing the push rod and the compression ring to move, thereby extruding the sealing ring, easy to seal the connection, can effectively prevent natural gas from running out, ensure the internal pressure growth stable, easy to monitor the leakage in time.

[0016] The additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in conjunction with the drawings and examples;

[0018] Figure 1 It is a perspective view of the oil and gas long-distance pipeline leakage monitoring auxiliary device of the present application;

[0019] Figure 2 It is a front sectional view of the oil and gas long-distance pipeline leakage monitoring auxiliary device of the present application;

[0020] Figure 3 It is an oil and gas long-distance pipeline leakage monitoring auxiliary device of the present application Figure 2 It is an enlarged view of A in the present application;

[0021] Figure 4 It is an oil and gas long-distance pipeline leakage monitoring auxiliary device of the present application Figure 2 It is an enlarged view of B in the present application.

[0022] LEGEND:

[0023] 1, pipeline; 2, first installation ring; 3, second installation ring; 4, gas pressure sensor; 5, first telescopic rod; 6, second telescopic rod; 7, installation cylinder; 8, fixed ring; 9, telescopic pipe; 10, alarm; 11, rotating ring; 12, push rod; 13, compression ring; 14, sealing ring; 15, fixed rod; 16, plug rod; 17, first spring; 18, limiting block; 19, second spring. DETAILED DESCRIPTION

[0024] The detailed embodiments of the present application will be described in this section. The preferred embodiments of the present application are shown in the drawings, and the drawings serve to supplement the description in the text part of the specification, so that each technical feature and the overall technical scheme of the present application can be understood intuitively and visually by people. However, it cannot be understood as a limitation on the protection scope of the present application.

[0025] With reference to Figures 1-4 The oil and gas long-distance pipeline leakage monitoring auxiliary device provided by the embodiment of the present application comprises: a pipeline 1, two installation cylinders 7 fixedly connected to the outside of the pipeline 1, two telescopic pipes 9 fixedly connected to the side surfaces of the two installation cylinders 7, which can be telescoped, and are convenient for dismounting and mounting, one end of the two telescopic pipes 9 away from the installation cylinders 7 is fixedly connected to a fixing ring 8, which is convenient for mounting, the outer surface of one of the fixing rings 8 is threadedly connected to a rotating ring 11, the inside of the fixing ring 8 is slidably connected to two push rods 12, which are used for pushing a compression ring 13, one end of the two push rods 12 away from the rotating ring 11 is fixedly connected to the compression ring 13, the compression ring 13 is used for compressing a sealing ring 14, one end of the two push rods 12 away from the compression ring 13 is slidably connected to the side surface of the rotating ring 11, the side surface of the compression ring 13 is fixedly connected to the sealing ring 14, which is used for sealing, and the side surface of the sealing ring 14 is attached to the side surface of the other fixing ring 8;

[0026] The outer surfaces of the two fixing rings 8 are fixedly connected to a first installation ring 2 and a second installation ring 3 respectively, the side surface of the first installation ring 2 is fixedly connected to two fixing rods 15, one end of the two fixing rods 15 extends to the outside of the second installation ring 3, the inner wall of the second installation ring 3 is fixedly connected to two second springs 19, the second springs 19 are used for pushing two insertion rods 16 to insert into the fixing rods 15, which is convenient for fixing, the inside of the second installation ring 3 is slidably connected to the two insertion rods 16, the insertion rods 16 are used for limiting the fixing rods 15, the lower ends of the two insertion rods 16 are slidably connected to the insides of the two fixing rods 15 respectively, the two second springs 19 are installed outside the two second installation rings 3 respectively, the inner walls of the two insertion rods 16 are fixedly connected to first springs 17, the first springs 17 are used for pushing a limiting block 18 to move, one end of the two first springs 17 is fixedly connected to the limiting block 18, the limiting block 18 can limit the insertion rods 16, and the structural stability is increased, and one end of the two limiting blocks 18 extends to the inside of the second installation ring 3.

[0027] The limiting block 18 is a concave shape, the other end of the limiting block 18 extends to the outside of the insertion rod 16, the side surface of the mounting cylinder 7 is fixedly connected with two second telescopic rods 6, the second telescopic rods 6 are used for limiting the movement of the fixing ring 8, the side surface of the fixing ring 8 is fixedly connected with two first telescopic rods 5, one end of the second telescopic rod 6 is slidably connected with the inside of the first telescopic rod 5, the two first telescopic rods 5 are symmetrically arranged, the two second telescopic rods 6 are symmetrically arranged, the inner wall of one of the mounting cylinders 7 is provided with the air pressure sensor 4, which is used for monitoring the internal air pressure change, when the set value is exceeded, the alarm 10 will be triggered, one side of one of the mounting cylinders 7 is fixedly connected with the alarm 10, the alarm 10 is detachably connected with the protective cover outside, the two pipes 1 are connected through the flanges, the sealing ring 14 is annular, and the compression ring 13 is annular.

[0028] Working principle: during installation, first press the limiting block 18 to compress the first spring 17, then pull the insertion rod 16 to compress the second spring 19, then insert the fixed rod 15 on the side of the first mounting ring 2 into the inside of the second mounting ring 3, then release the insertion rod 16, and then push the insertion rod 16 into the fixed rod 15 through the elasticity of the second spring 19, so as to conveniently limit the fixed rod 15, facilitate the staff to install and disassemble, push the limiting block 18 through the first spring 17, which can effectively increase the stability of installation, then rotate the rotating ring 11 to gradually move, push the push rod 12 and the compression ring 13 through the rotating ring 11, so as to compress the sealing ring 14, increase the sealing property of the connection, can effectively prevent natural gas leakage, ensure the stable increase of the internal air pressure, and facilitate timely monitoring of the leakage.

[0029] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An oil and gas long distance pipeline leak monitoring aid, comprising: The utility model provides a pipeline (1), its characterized in being fixedly connected installation cylinder (7) outside two pipeline (1), two installation cylinder (7) side are fixedly connected telescopic pipe (9), two telescopic pipe (9) away from installation cylinder (7) one end are fixedly connected fixed ring (8), one of fixed ring (8) outer surface thread connection rotates ring (11), fixed ring (8) inside slide connection two push rod (12), two push rod (12) away from rotating ring (11) one end fixedly connected compression ring (13), two push rod (12) away from compression ring (13) one end are with rotating ring (11) side slide connection, compression ring (13) side fixedly connected sealing ring (14), sealing ring (14) side with another fixed ring (8) side fitment, Two fixed ring (8) outer surface are fixedly connected first installation ring (2) with second installation ring (3) respectively, first installation ring (2) side fixedly connected two fixed rod (15), two fixed rod (15) one end all extend to second installation ring (3) outside, second installation ring (3) inner wall fixedly connected two second spring (19), second installation ring (3) inside slide connection two plug rod (16), two plug rod (16) lower end are with two fixed rod (15) inside slide connection respectively, two second spring (19) are installed in two second installation ring (3) outside respectively, two plug rod (16) inner wall are all fixedly connected first spring (17), two first spring (17) one end are all fixedly connected limit block (18), two limit block (18) one end all extend to second installation ring (3) inside.

2. An oil and gas long distance pipeline leak monitoring auxiliary device according to claim 1, characterized in that, Limit block (18) is concave, and the other end of limit block (18) extends to the outside of plug rod (16).

3. The oil and gas long distance pipeline leak monitoring auxiliary device according to claim 1, characterized in that, The side surface of the installation cylinder (7) is fixedly connected with two second telescopic rods (6), and the side surface of the fixed ring (8) is fixedly connected with two first telescopic rods (5). One end of the second telescopic rod (6) is slidably connected with the inside of the first telescopic rod (5).

4. An oil and gas long distance pipeline leak monitoring auxiliary device according to claim 3, characterized in that, Two first telescopic rods (5) are symmetrically arranged, and two second telescopic rods (6) are symmetrically arranged.

5. The apparatus of claim 1, wherein, One of the installation cylinders (7) is provided with an air pressure sensor (4) on the inner wall, and one of the installation cylinders (7) is fixedly connected with an alarm (10) on the side surface.

6. An oil and gas long distance pipeline leak monitoring auxiliary device according to claim 5, characterized in that, The alarm (10) is detachably connected with a protective cover outside, and two pipelines (1) are connected through flanges.

7. The apparatus of claim 1, wherein, The sealing ring (14) is annular, and the compression ring (13) is annular.

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