Gas leakage detection device for petroleum and natural gas pipeline transportation
By designing an oil and gas pipeline detection device that includes an upper shell, a lower shell, an electric push rod, and a wireless infrared leak detection device, the problem of the inability to quickly detect the entire pipeline and detect leaks after installation in the existing technology has been solved, and rapid and comprehensive leak detection has been achieved.
Patent Information
- Application Number
- CN202520792644.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Existing oil and gas pipeline inspection devices can only perform fixed-position inspections before installation, and cannot quickly inspect the entire pipeline, nor can they inspect pipelines after installation.
A detection device was designed, comprising an upper shell, a lower shell, an electric push rod, an arc plate, ball bearings, an auxiliary wheel, and a wireless infrared leak detection device. The device detects leaks by sliding the wheel driven by a motor, and combines the electric push rod and the arc plate to clamp the pipe, reducing friction and achieving all-around detection.
It enables rapid leak detection of the entire oil and gas pipeline, allowing for comprehensive testing after installation and preventing any omissions.
Smart Images

Figure CN223909310U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to petroleum and natural gas pipeline detection, concretely relates to a kind of petroleum and natural gas pipeline conveying gas leakage detection device. BACKGROUND
[0002] Petroleum and natural gas are important energy of modern industrial society, they belong to fossil fuel, are non-renewable resources, form in geological period of million years ago.Petroleum is mainly composed of hydrocarbon, is a kind of dark or brown viscous liquid, and natural gas is mainly composed of methane, is a kind of colorless, odorless, combustible gas.
[0003] It is known that the authorized patent with application number CN202322971589.7 discloses a natural gas pipeline conveying gas leakage detection device: including natural gas pipeline and installation ring, detection mechanism, the detection mechanism includes wireless infrared leak detection device, fixed cylinder, sliding plate, fixed rod, fixed plate, spring, gas supply assembly, the installation ring inner wall is fixedly connected with a plurality of wireless infrared leak detection devices, the installation ring inner wall is fixedly connected with a plurality of fixed cylinders, a plurality of the fixed cylinder inner wall is sealingly slidably connected with sliding plate, the sliding plate lower end is fixedly connected with fixed rod, the fixed rod lower end penetrates fixed cylinder lower end and is fixedly connected with fixed plate, the fixed rod side wall is provided with spring.
[0004] However, in the implementation of the related technology, it is found that the above technical scheme has the following problems: the device can only detect the leakage of the pipeline at the fixed position after installation, cannot quickly detect the leakage of the whole natural gas pipeline, and the whole device is in the form of a closed ring, so it can only detect the pipeline before the natural gas pipeline is installed, and cannot detect the installed natural gas pipeline.Therefore, a petroleum and natural gas pipeline conveying gas leakage detection device is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a petroleum and natural gas pipeline conveying gas leakage detection device, solve the problem that the device cannot quickly detect the leakage of the whole natural gas pipeline in the related art.
[0006] The technical scheme of the utility model is as follows: a petroleum and natural gas pipeline conveying gas leakage detection device, comprising: upper shell, lower shell and fixed platform;
[0007] The first electric push rod is fixedly installed in the inside of the upper shell, the bottom end of the first electric push rod is fixedly installed with arc-shaped plate, and the inside of the arc-shaped plate is rotatably installed with ball;
[0008] The auxiliary wheel is rotatably installed in the inside of the lower shell, the motor is fixedly installed in the inside of the fixed platform, the output end of the motor is fixedly installed with driving shaft, and the one end of the driving shaft is fixedly installed with driving wheel.
[0009] Preferably, a second electric push rod is fixedly installed inside the fixing table, and a support is fixedly installed at one end of the second electric push rod.
[0010] Preferably, a wireless infrared leakage detection device is fixedly installed inside the upper shell and the lower shell, and the wireless infrared leakage detection devices are combined together in a circular ring shape.
[0011] Preferably, a hinge is fixedly installed at one side of the upper shell, and the lower shell is hinged to the upper shell through the hinge.
[0012] Preferably, a connecting plate is fixedly installed at one side of the upper shell and the lower shell, and a fastener is screwedly installed inside the connecting plate.
[0013] Preferably, a movable groove is formed in the lower shell, and the movable wheel passes through the movable groove.
[0014] The working principle and beneficial effects of the utility model are as follows: through the motor and the driving wheel, the driving wheel can drive the detection device to slide on the oil and gas pipeline when the motor is started, and thus the whole oil and gas pipeline can be quickly detected; through the first electric push rod and the arc-shaped plate, the arc-shaped plate can be pushed when the first electric push rod is started, and thus the arc-shaped plate and the movable wheel can clamp the oil and gas pipeline; through the ball and the auxiliary wheel, the friction between the detection device and the oil and gas pipeline can be reduced, and thus the detection device can smoothly run on the oil and gas pipeline; through screwing the fastener in the inside of the connecting plate, the upper shell and the lower shell can be fixed together through the fastener and the connecting plate when the upper shell and the lower shell are closed through the hinge, and thus the device can be prevented from falling off when detecting the gas leakage; through passing the movable wheel through the movable groove, the oil and gas pipeline can be clamped by the movable wheel and the arc-shaped plate when the oil and gas pipeline is relatively thin, and thus the detection device can detect the gas leakage on the oil and gas pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be explained in further detail in combination with the drawings and the specific embodiment.
[0016] Figure 1 It is the whole structure schematic view of the utility model;
[0017] Figure 2 It is the bottom view of the utility model;
[0018] Figure 3 It is the front view of the utility model;
[0019] Figure 4 It is the whole structure section view of the utility model.
[0020] In the figure: 1, the upper shell; 2, the lower shell; 3, the fixed table; 4, the first electric push rod; 5, the arc plate; 6, the ball; 7, the auxiliary wheel; 8, the motor; 9, the drive shaft; 10, the drive wheel; 11, the second electric push rod; 12, the support; 13, the movable wheel; 14, the wireless infrared leak detection device; 15, the hinge; 16, the connecting plate; 17, the fastener; 18, the movable slot. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.
[0022] EMBODIMENT
[0023] Please refer to Figure 1 -4, a kind of oil and gas pipeline transportation gas leak detection device, comprising: upper shell 1, lower shell 2 and fixed table 3;
[0024] The first electric push rod 4 is fixedly installed in the inside of the upper shell 1, the arc plate 5 is fixedly installed at the bottom end of the first electric push rod 4, and the ball 6 is rollingly installed in the inside of the arc plate 5;
[0025] The auxiliary wheel 7 is rotatably installed in the inside of the lower shell 2, the motor 8 is fixedly installed in the inside of the fixed table 3, the drive shaft 9 is fixedly installed at the output end of the motor 8, and the drive wheel 10 is fixedly installed at one end of the drive shaft 9.
[0026] The technical solutions provided by the embodiment are as follows: when in use, first, the fastener 17 is screwed, the upper shell 1 and the lower shell 2 are opened and closed through the hinge 15, then the upper shell 1 and the lower shell 2 are sleeved on the oil and gas pipeline to be detected, then the upper shell 1 and the lower shell 2 are fixed together through the fastener 17 and the connecting plate 16, then the first electric push rod 4 is started to push the arc plate 5 so that the ball 6 contacts the oil and gas pipeline, then the second electric push rod 11 is started to push the support 12 and the movable wheel 13, the movable wheel 13 passes through the movable slot 18 and contacts the oil and gas pipeline, so that the oil and gas pipeline contacts the auxiliary wheel 7 and the drive wheel 10, then the wireless infrared leak detection device 14 is started to detect whether the oil and gas pipeline leaks, then the motor 8 is driven to rotate the drive shaft 9, the detection device moves along the oil and gas pipeline through the movable wheel 13 and the ball 6, so that the detection device can quickly detect whether the whole oil and gas pipeline leaks.
[0027] Further, the second electric push rod 11 is fixedly installed in the inside of the fixed platform 3, one end of the second electric push rod 11 is fixedly installed with a support 12, and the movable wheel 13 is rotatably installed in the inside of the support 12.
[0028] Specifically, by fixing the support 12 at one end of the second electric push rod 11 and rotatably installing the movable wheel 13 in the inside of the support 12, the support 12 can be pushed to make the movable wheel 13 contact the oil and gas pipeline to be detected when the second electric push rod 11 is started.
[0029] Further, the wireless infrared leak detection device 14 is fixedly installed in the inside of the upper shell 1 and the lower shell 2, and the wireless infrared leak detection device 14 is combined together in a circular ring shape.
[0030] Specifically, by combining the wireless infrared leak detection device 14 fixedly installed in the inside of the upper shell 1 and the lower shell 2 together in a circular ring shape, the oil and gas pipeline can be detected in all directions to prevent missing places when detecting the oil and gas pipeline leakage.
[0031] Further, the hinge 15 is fixedly installed on one side of the upper shell 1, and the lower shell 2 is hinged with the upper shell 1 through the hinge 15.
[0032] Specifically, by hinging the upper shell 1 and the lower shell 2 together through the hinge 15, the upper shell 1 and the lower shell 2 can be freely opened and closed through the hinge 15, so that the device can detect the installed oil and gas pipeline.
[0033] Further, the connecting plate 16 is fixedly installed on one side of the upper shell 1 and the lower shell 2, and the fastener 17 is screwedly installed in the inside of the connecting plate 16.
[0034] Specifically, by screwedly installing the fastener 17 in the inside of the connecting plate 16, the upper shell 1 and the lower shell 2 can be fixed together through the fastener 17 and the connecting plate 16 when the upper shell 1 and the lower shell 2 are closed through the hinge 15, so that the device can be prevented from falling off when detecting the leakage.
[0035] Further, the movable slot 18 is formed in the inside of the lower shell 2, and the movable wheel 13 passes through the movable slot 18.
[0036] Specifically, by passing the movable wheel 13 through the movable slot 18, the oil and gas pipeline can be clamped by the movable wheel 13 and the arc-shaped plate 5 when facing a thinner oil and gas pipeline, so that the detection device can detect the leakage on the oil and gas pipeline.
[0037] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A device for detecting a leak in a petroleum and natural gas pipeline, characterized by, Include: Upper shell (1), lower shell (2) and fixed platform (3); The inside of the upper shell (1) is fixedly installed with a first electric push rod (4), and the bottom end of the first electric push rod (4) is fixedly installed with an arc plate (5), and the inside of the arc plate (5) is rotatably installed with a ball (6); The inside of the lower shell (2) is rotatably installed with an auxiliary wheel (7), the inside of the fixed platform (3) is fixedly installed with a motor (8), the output end of the motor (8) is fixedly installed with a drive shaft (9), one end of the drive shaft (9) is fixedly installed with a drive wheel (10).
2. The apparatus for detecting a gas leakage of an oil and gas pipeline transportation according to claim 1, characterized in that: The inside of the fixed platform (3) is fixedly installed with a second electric push rod (11), one end of the second electric push rod (11) is fixedly installed with a bracket (12), and the inside of the bracket (12) is rotatably installed with a movable wheel (13).
3. The apparatus for detecting a gas leakage of an oil and gas pipeline transportation according to claim 1, characterized in that: The inside of the upper shell (1) and the lower shell (2) is fixedly installed with a wireless infrared leak detection device (14), and the wireless infrared leak detection device (14) is combined together in a circular ring shape.
4. The apparatus for detecting a gas leakage of an oil and gas pipeline transportation according to claim 1, characterized in that: One side of the upper shell (1) is fixedly installed with a hinge (15), and the lower shell (2) is hinged with the upper shell (1) through the hinge (15).
5. The apparatus for detecting a gas leak in oil and gas pipeline transportation according to claim 1, characterized in that: One side of the upper shell (1) and the lower shell (2) is fixedly installed with a connecting plate (16), and the inside of the connecting plate (16) is screwedly installed with a fastener (17).
6. The apparatus for detecting a gas leakage of an oil and gas pipeline transportation according to claim 2, characterized in that: The inside of the lower shell (2) is provided with a movable groove (18), and the movable wheel (13) passes through the movable groove (18).
Citation Information
Patent Citations
Gas leakage detection device for natural gas pipeline transportation
CN221301035U