CN219198904U

CN219198904U - Nondestructive testing device for leakage of oil and gas pipeline

Info

Publication number: CN219198904U
Application number: CN202222740098.7U
Authority: CN
Inventors: 李立国; 徐雪东
Original assignee: Bomesc Offshore Engineering Co Ltd
Current assignee: Bomesc Offshore Engineering Co Ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-06-16
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a nondestructive testing device for leakage of an oil and gas pipeline, which comprises an L-shaped main body, wherein a V-shaped block is arranged on a horizontal plate of the L-shaped main body, and a hydraulic cylinder is respectively arranged on the left side and the right side of the L-shaped main body. The front side of the horizontal plate of the L-shaped main body is connected with the bottom of the clamping plate in a sliding way through a guide rail sliding block structure, and a rubber sealing gasket is connected to the front wall of the clamping plate main body plate. The lower side of the main body plate is welded with a gas nozzle along the horizontal direction, and the gas nozzle is connected with a high-pressure pump through a rubber hose. The front end of the hydraulic rod of the hydraulic cylinder arranged along the horizontal direction is fixedly connected with the rear wall of the main body plate. The computer is connected with a pressure gauge of the high-pressure pump through a data line and transmits the pressure of the pressure gauge to the computer. The V-shaped block is used for placing an oil gas pipeline, the main body plate can be driven by the hydraulic rod to press the front end of the oil gas pipeline and enable the rear end of the oil gas pipeline to be tightly attached to the rubber sealing gasket, and the air outlet of the air nozzle is communicated with the cavity of the oil gas pipeline.

Description

Nondestructive testing device for leakage of oil and gas pipeline

Technical Field

The present disclosure relates to oil and gas pipeline detection devices, and particularly to an oil and gas pipeline leakage detection device.

Background

The oil gas pipeline is a carrier for oil gas transportation, and whether the oil gas pipeline can leak or not is related to the normal operation of the oil gas module. The existing oil gas pipeline leakage detection method is that a sensor is arranged on a pipeline, so that the oil gas pipeline is often damaged to a certain extent, the service life of the oil gas pipeline is influenced, the price is relatively high, and the use efficiency is low.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the nondestructive detection device for the leakage of the oil and gas pipeline, which improves the detection efficiency of the leakage detection of the oil and gas pipeline and does not damage the oil and gas pipeline.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model relates to an oil and gas pipeline leakage nondestructive testing device, which comprises a support frame, wherein the support frame comprises an L-shaped main body, a V-shaped block is arranged on the top surface of the rear end of a horizontal plate at the corner of the L-shaped main body, a hydraulic cylinder is respectively arranged on the horizontal plates of the L-shaped main body at the left side and the right side of the V-shaped block, and the rear end of the hydraulic cylinder is fixedly connected with a vertical plate of the L-shaped main body; the front side of the horizontal plate of L type main part pass through the bottom front and back slip of guide rail slider structure and a splint and link to each other, splint contain the main part board be connected with rubber seal pad on the main part board front wall the main part board downside along the horizontal direction welding have gas nozzle, gas nozzle pass through the pipeline and link to each other with the high-pressure pump the pipeline on install the manometer, the pipeline along the horizontal direction setting the front end of the hydraulic stem of pneumatic cylinder and main part board rear wall fixed link to each other, the computer passes through the data line and links to each other and transmits the pressure of manometer output to the computer, the V-arrangement piece be used for placing the oil gas pipeline, the main part board can compress tightly the front end of oil gas pipeline and make the rear end of tight oil gas pipeline paste the rubber seal pad setting under the drive of hydraulic stem, gas nozzle's gas outlet and oil gas pipeline's cavity intercommunication.

The utility model realizes nondestructive detection of oil and gas pipeline leakage, can not damage the oil and gas pipeline in the detection process, reduces the cost of oil and gas pipeline leakage detection, improves the detection efficiency of oil and gas pipeline leakage detection, and greatly saves the labor cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the oil and gas pipeline leakage nondestructive testing device of the utility model;

FIG. 2 is a schematic view of the support frame in the structure shown in FIG. 1;

FIG. 3 is a front view of the cleat in the configuration shown in FIG. 1;

fig. 4 is a side view of the splint shown in fig. 3.

Detailed Description

The utility model will now be described in detail with reference to the drawings and to specific embodiments.

As shown in the attached drawings, the nondestructive testing device for oil and gas pipeline leakage comprises a support frame 1, wherein the support frame 1 comprises an L-shaped main body 1-1, a V-shaped block 1-4 is arranged on the top surface of the rear end of a horizontal plate at the corner of the L-shaped main body 1-1, a hydraulic cylinder 1-5 is respectively arranged on the horizontal plates of the L-shaped main body 1-1 at the left side and the right side of the V-shaped block 1-4, and the rear end of the hydraulic cylinder 1-5 is fixedly connected with a vertical plate of the L-shaped main body 1-1.

The front side of the horizontal plate of the L-shaped main body 1-1 is connected with the bottom of a clamping plate 2 in a front-back sliding way through a guide rail sliding block structure, the clamping plate 2 comprises a main body plate 2-1, and a rubber sealing gasket 2-2 is connected to the front wall of the main body plate 2-1. A gas nozzle 2-3 is welded on the lower side of the main body plate 2-1 along the horizontal direction, and the gas nozzle 2-3 is connected with a high-pressure pump 3 through a pipeline. The pipeline is provided with a pressure gauge, and the front end of a hydraulic rod of the hydraulic cylinder 1-5 arranged along the horizontal direction is fixedly connected with the rear wall of the main body plate 2-1. The computer is connected with the pressure gauge through a data line and transmits the pressure output by the pressure gauge to the computer.

The V-shaped block 1-4 is used for placing an oil gas pipeline, the main body plate 2-1 can be driven by the hydraulic rod to compress the front end of the oil gas pipeline and enable the rear end of the oil gas pipeline to be tightly attached to the rubber sealing gasket 1-3, and the air outlet of the air nozzle 2-3 is communicated with the cavity of the oil gas pipeline.

As one implementation mode of the utility model, a groove is respectively formed on the left side wall and the right side wall of the lower part of the main body plate 2-1 inwards along the horizontal direction, a sliding block 2-4 is formed at the part below the groove, the front side of the L-shaped main body 1-1 is of a U-shaped structure, the tops of the left side edge and the right side edge of the U-shaped structure are respectively bent inwards to form a horizontal top edge so as to form a sliding groove 1-2 between the horizontal top edge and the bottom wall of the U-shaped structure, and the sliding block 2-4 is inserted into the sliding groove and the horizontal top edge of the U-shaped structure is inserted into the groove and is connected with the groove in a sliding way.

The working principle of the system is as follows:

the oil gas pipeline is placed on the V-shaped block 1-4, one end of the oil gas pipeline is attached to the rubber sealing pad 1-3, and the two hydraulic cylinders 1-5 are retracted, so that the clamping plate 2 is slowly close to the other end of the oil gas pipeline until the rubber sealing pad 2-2 is tightly attached to the other end of the oil gas pipeline. The air pump 3 is started, so that the pressurized air fills the inside of the oil gas pipeline by sequentially passing through the pipeline and the air nozzle 2-3, and meanwhile, the pressure value in the oil gas pipeline is transmitted to the computer 4 one by one second, and the air pump 3 stops pressurizing after a certain pressure is formed. After standing for a period of time, the computer 4 analyzes whether the pressure drop exceeds a set threshold value, if the pressure drop is larger, the computer 4 sends out alarm information, the oil and gas pipeline has leakage problem, otherwise, the computer 4 prompts the pipeline to have no leakage problem.

Claims

1. The utility model provides an oil gas pipeline leakage nondestructive test device, includes the support frame, the support frame include L type main part, its characterized in that: the top surface of the rear end of the horizontal plate at the corner of the L-shaped main body is provided with a V-shaped block, the horizontal plates of the L-shaped main body at the left side and the right side of the V-shaped block are respectively provided with a hydraulic cylinder, and the rear end of each hydraulic cylinder is fixedly connected with the vertical plate of the L-shaped main body; the front side of the horizontal plate of L type main part pass through the bottom front and back slip of guide rail slider structure and a splint and link to each other, splint contain the main part board be connected with rubber seal pad on the main part board front wall the main part board downside along the horizontal direction welding have gas nozzle, gas nozzle pass through the pipeline and link to each other with the high-pressure pump the pipeline on install the manometer, the pipeline along the horizontal direction setting the front end of the hydraulic stem of pneumatic cylinder and main part board rear wall fixed link to each other, the computer passes through the data line and links to each other and transmits the pressure of manometer output to the computer, the V-arrangement piece be used for placing the oil gas pipeline, the main part board can compress tightly the front end of oil gas pipeline and make the rear end of tight oil gas pipeline paste the rubber seal pad setting under the drive of hydraulic stem, gas nozzle's gas outlet and oil gas pipeline's cavity intercommunication.

2. The oil and gas pipeline leakage nondestructive testing device according to claim 1, wherein: the left side wall and the right side wall of the lower part of the main body plate are respectively internally provided with a groove along the horizontal direction, the part below the grooves forms a sliding block, the front side of the L-shaped main body is of a U-shaped structure, the tops of the edges of the left side and the right side of the U-shaped structure are respectively inwards bent to form horizontal top edges so as to form a sliding groove between the horizontal top edges and the bottom wall of the U-shaped structure, and the sliding block is inserted into the sliding groove and the horizontal top edges of the U-shaped structure are inserted into the grooves and are in sliding connection with the grooves.