Non-destructive testing device for gas pipeline leakage

By designing a non-destructive testing device for gas pipeline leaks, a ball bearing sliding into a slot is used to achieve quick connection and disassembly. Combined with a sealing component, it solves the problems of complex operation and gap leakage of traditional detectors, thereby improving the accuracy and sealing performance of the test.

CN223883126UActive Publication Date: 2026-02-06CHONGQING PENGCHENG NONDESTRUCTIVE CHECKING & MEASURING CO LTD
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Patent Information

Application Number
CN202520307366.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-06
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Traditional gas leak detectors are complex to operate when inspecting large pipelines, and gaps can affect the accuracy of the data.

Method used

A non-destructive testing device for gas pipeline leaks was designed. It uses components such as a first connector, a placement plate, ball bearings, a connecting column, and a second connector. The ball bearings slide into the slot to achieve quick connection and disassembly of the pipeline, and a sealing component is provided to prevent leakage from gaps.

Benefits of technology

It simplifies the operation process, improves the accuracy and sealing of test data, and reduces interference from outside air.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of gas leakage detectors, which comprises a detection cabinet, a detector is mounted on the surface of one side of the detection cabinet, a connecting pipe is fixedly connected to the lower surface of the detector, a mounting mechanism is arranged on the surface of one side of the detector, and a sealing assembly is arranged on the lower surface of the connecting pipe. According to the nondestructive testing device for gas pipeline leakage, tight connection and sealing of the gas pipeline are realized, and the stability and the reliability in the testing process are ensured. And the first connecting piece and the placing plate are matched through placing holes and balls, so that the device can flexibly adjust the position to adapt to pipelines of different sizes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas leakage detector related technical field especially, it is a kind of gas pipeline leakage nondestructive testing device. BACKGROUND

[0002] Gas leakage detector is a kind of instrument for detecting gas leakage, mainly used to check the gas leakage in various industrial equipment and pipeline, it can detect the leakage of including air, gas, vapor and liquid etc. conveying pipeline and various equipment, ensure the air tightness and safety of system, therefore, particularly need a kind of gas pipeline leakage nondestructive testing device.

[0003] Now on market gas leakage detector has the following problems when using:

[0004] 1, the traditional gas leakage detector is detected to larger pipeline, needs to be connected to detection box, then installs detection box, to lead to the increase of operator's workload;

[0005] 2, the current gas leakage detector is installed to the pipeline detected, there is certain gap between pipe fitting and detector, which may have extraneous air inclusion, to affect the data detected. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of gas pipeline leakage nondestructive testing device to solve the technical problem proposed in the background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:A kind of gas pipeline leakage nondestructive testing device, including detection cabinet, the side surface of the detection cabinet is equipped with detector, the lower surface of the detector is fixedly connected with connecting pipe, the side surface of the detector is provided with mounting mechanism, the lower surface of the connecting pipe is provided with sealing assembly;

[0008] The mounting mechanism includes first connecting piece, placement plate, placement hole, ball, first spring, connecting column, second spring, first sealing ring, second connecting piece, clamping groove, sliding block and stop block, the side surface of the detection cabinet is fixedly connected with first connecting piece, the inner side surface of the first connecting piece is fixedly connected with placement plate, the inner side surface of the placement plate is equipped with placement hole, the inner side surface of the placement hole is equipped with ball, the inner side surface of the placement plate is equipped with first spring, the side surface of the detector is fixedly connected with connecting column, the outer side surface of the connecting column is sleeved with second spring, the outer side surface of the connecting column is sleeved with first sealing ring, the outer side surface of the connecting column is provided with second connecting piece, the outer side surface of the second connecting piece is equipped with clamping groove, the outer side surface of the first connecting piece is slidably connected with sliding block, the inner side surface of the sliding block is fixedly connected with stop block.

[0009] Preferably, the placement holes are equidistantly arranged on the inner side surface of the placement plate, and the balls are equidistantly arranged on the inner side surface of the placement plate.

[0010] Preferably, the outer side surface of the connecting column is matched with the inner side surface of the first sealing ring, and the clamping grooves are equidistantly arranged on the outer side surface of the second connecting member.

[0011] Preferably, the outer side surface of the stopper is matched with the inner side surface of the sliding block.

[0012] Preferably, the inner side surface of the first connecting member is matched with the outer side surface of the second connecting member.

[0013] Preferably, the sealing assembly comprises a ventilation groove, a mounting groove, a second sealing ring, an annular clamping member and a sealing gasket, the lower surface of the connecting pipe is provided with the ventilation groove, the inner side surface of the ventilation groove is provided with the mounting groove, the inner side surface of the mounting groove is provided with the second sealing ring, the outer side surface of the second sealing ring is fixedly connected with the annular clamping member, and the lower surface of the connecting pipe is provided with the sealing gasket.

[0014] Preferably, the outer side surface of the second sealing ring is matched with the inner side surface of the mounting groove, and the annular clamping member is equidistantly arranged on the inner side surface of the ventilation groove.

[0015] Compared with the prior art, the gas pipeline leakage nondestructive testing device has the advantages that: the second connecting member on one side of the connecting pipe is aligned with the opening of the first connecting member, then the second connecting member is placed in the placement plate by force, the connecting column in the first connecting member and the second connecting member is mutually butted, the second spring on the connecting column is mutually extruded, the first sealing ring seals the remaining space on the inner side of the placement plate, the sliding block is slid to drive the balls in the placement holes to slide, the balls are slid into the clamping grooves, the first connecting member and the second connecting member are connected and fixed, the stopper in the sliding block prevents the balls from being reset, the balls in the clamping grooves can be fixed, when disassembly is needed, the sliding block is moved by using greater force, then the sliding block is reset by the first spring to complete the disassembly, and the second spring separates the connecting column to complete the disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole appearance structure schematic view of the utility model;

[0017] Figure 2 Figure 2 is a schematic diagram of the structure of the connection column and the second connecting piece of the utility model for mutual use;

[0018] Figure 3 Figure 3 is a schematic diagram of the cross-sectional structure of the installation mechanism of the utility model;

[0019] Figure 4 Figure 4 is a schematic diagram of the structure of the second sealing ring and the annular clamping piece of the utility model for mutual use;

[0020] Figure 5 Figure 5 is an enlarged schematic diagram of A of the utility model. Figure 4

[0021] In the figure: 1, detection cabinet; 2, detector; 3, connecting pipe; 4, installation mechanism; 41, first connecting piece; 42, placement plate; 43, placement hole; 44, ball; 45, first spring; 46, connection column; 47, second spring; 48, first sealing ring; 49, second connecting piece; 410, clamping groove; 411, sliding block; 412, stop block; 5, sealing assembly; 51, air slot; 52, installation slot; 53, second sealing ring; 54, annular clamping piece; 55, sealing gasket. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in 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 the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figure 1 -5, the utility model provides a kind of technical scheme: a kind of gas pipeline leak nondestructive testing device, including detection cabinet 1, detection cabinet 1 side surface is equipped with detector 2, the lower surface of detector 2 is fixedly connected with connecting pipe 3, the side surface of detector 2 is provided with installation mechanism 4, the lower surface of connecting pipe 3 is provided with sealing assembly 5;

[0024] ​The mounting mechanism 4 comprises a first connecting piece 41, a placing plate 42, a placing hole 43, a ball 44, a first spring 45, a connecting column 46, a second spring 47, a first sealing ring 48, a second connecting piece 49, a clamping groove 410, a sliding block 411 and a stop block 412, one side surface of the detection cabinet 1 is fixedly connected with the first connecting piece 41, the inner side surface of the first connecting piece 41 is fixedly connected with the placing plate 42, the inner side surface of the placing plate 42 is provided with the placing hole 43, the inner side surface of the placing hole 43 is provided with the ball 44, the inner side surface of the placing plate 42 is provided with the first spring 45, one side surface of the detector 2 is fixedly connected with the connecting column 46, the outer side surface of the connecting column 46 is sleeved with the second spring 47, the outer side surface of the connecting column 46 is sleeved with the first sealing ring 48, the outer side surface of the connecting column 46 is provided with the second connecting piece 49, the outer side surface of the second connecting piece 49 is provided with the clamping groove 410, the outer side surface of the first connecting piece 41 is slidably connected with the sliding block 411, the inner side surface of the sliding block 411 is fixedly connected with the stop block 412, through the setting of the first connecting piece 41, the placing plate 42, the placing hole 43, the ball 44, the first spring 45, the connecting column 46, the second spring 47, the first sealing ring 48, the second connecting piece 49, the clamping groove 410, the sliding block 411 and the stop block 412, the second connecting piece 49 on one side of the connecting pipe 3 is aligned with the opening of the first connecting piece 41, then it is forced to the left, so that the connecting column 46 in the second connecting piece 49 is placed in the placing plate 42, at this time, the connecting column 46 in the inner side of the first connecting piece 41 and the second connecting piece 49 is mutually docked, at this time, the second spring 47 on the connecting column 46 is mutually extruded, at the same time, the first sealing ring 48 seals the remaining space in the inner side of the placing plate 42, so as to reinforce and fix, then the sliding block 411 is slid to drive the ball 44 in the inner side of the placing hole 43 to slide, so that the ball 44 slides into the clamping groove 410, thereby achieving the mutual connection and fixation between the first connecting piece 41 and the second connecting piece 49, the stop block 412 in the sliding block 411 prevents the ball 44 from resetting, so that the ball 44 in the clamping groove 410 can be fixed, when disassembly is needed, the sliding block 411 is moved by using a larger force, then the sliding block 411 is reset by the first spring 45, thereby completing the disassembly, the second spring 47 separates the connecting column 46, thereby completing the disassembly.

[0025] Further, the placing holes 43 are equidistantly arranged on the inner side surface of the placing plate 42, and the balls 44 are equidistantly arranged on the inner side surface of the placing plate 42, through the setting of the balls 44, the balls 44 can be clamped into the clamping grooves 410, thereby fixing the second connecting pieces 49.

[0026] Further, the outer side surface size of the connecting column 46 matches the inner side surface size of the first sealing ring 48, the clamping grooves 410 are evenly opened on the outer side surface of the second connecting piece 49, the first sealing ring 48 is sleeved on the outer side of the connecting column 46 by being arranged, and the first sealing ring 46 is sealed during connection, so that the fixing is more firm.

[0027] Further, the outer side surface size of the blocking block 412 matches the inner side surface size of the sliding block 411, the rolling ball 44 can be clamped into the clamping groove 410 by arranging the blocking block 412, and the rolling ball 44 is fixed by the sliding block 411.

[0028] Further, the inner side surface size of the first connecting piece 41 matches the outer side surface size of the second connecting piece 49, the first connecting piece 41 can be clamped with the second connecting piece 49 by being arranged, so that the first connecting piece 41 is installed.

[0029] Further, the sealing assembly 5 comprises a ventilation groove 51, a mounting groove 52, a second sealing ring 53, an annular clamping piece 54 and a sealing gasket 55, the lower surface of the connecting pipe 3 is provided with the ventilation groove 51, the inner side surface of the ventilation groove 51 is provided with the mounting groove 52, the inner side surface of the mounting groove 52 is provided with the second sealing ring 53, the outer side surface of the second sealing ring 53 is fixedly connected with the annular clamping piece 54, and the lower surface of the connecting pipe 3 is provided with the sealing gasket 55. When the gas pipeline needs to be tested, the second sealing ring 53 is arranged in the ventilation groove 51 below the connecting pipe 3, then the annular clamping piece 54 is arranged and fixed, so that the second sealing ring 53 is prevented from falling off, and the sealing gasket 55 prevents the gas from leaking in the gap between the connecting pipes 3.

[0030] Further, the outer side surface size of the second sealing ring 53 matches the inner side surface size of the mounting groove 52, and the annular clamping piece 54 is evenly arranged on the inner side surface of the ventilation groove 51. The second sealing ring 53 is arranged, so that the gas is prevented from leaking during conveying.

[0031] Working principle: first, the second connecting piece 49 of the connecting pipe 3 side and the opening of the first connecting piece 41 are aligned, then force to the left, so that the connecting column 46 in the second connecting piece 49 is placed in the placement plate 42, at this time the connecting column 46 in the first connecting piece 41 and the second connecting piece 49 is mutually docked, at this time the second spring 47 on the connecting column 46 is mutually extruded, at the same time the first sealing ring 48 seals the remaining space inside the placement plate 42, so as to reinforce and fix, then slide the sliding block 411 to drive the ball 44 inside the placement hole 43 to slide, so that the ball 44 slides into the clamping groove 410, so as to achieve the mutual connection and fixation between the first connecting piece 41 and the second connecting piece 49, the stopper 412 in the sliding block 411 prevents the ball 44 from resetting, so that the ball 44 in the clamping groove 410 can be fixed, when disassembling is needed, the sliding block 411 is moved by using larger force, then the sliding block 411 is reset by the first spring 45, so as to complete the disassembly, the second spring 47 separates the connecting column 46 to complete the disassembly, when the gas pipeline needs to be tested, the second sealing ring 53 is put into the air groove 51 below the connecting pipe 3, then it is installed and fixed by the annular clamping piece 54, so as to avoid the second sealing ring 53 from falling off, and the gasket 55 avoids the gas from leaking in the gap between the connecting pipes 3.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for non-destructive testing of gas pipeline leaks, comprising a testing cabinet (1), characterized in that: The side surface of the detection cabinet (1) is provided with a detector (2), the lower surface of the detector (2) is fixedly connected with a connecting pipe (3), one side surface of the detector (2) is provided with a mounting mechanism (4), and the lower surface of the connecting pipe (3) is provided with a sealing assembly (5). The mounting mechanism (4) comprises a first connecting piece (41), a placing plate (42), a placing hole (43), a ball (44), a first spring (45), a connecting column (46), a second spring (47), a first sealing ring (48), a second connecting piece (49), a clamping groove (410), a sliding block (411) and a stop block (412), the side surface of the detection cabinet (1) is fixedly connected with the first connecting piece (41), the inner surface of the first connecting piece (41) is fixedly connected with the placing plate (42), the inner surface of the placing plate (42) is provided with the placing hole (43), the inner surface of the placing hole (43) is provided with the ball (44), the inner surface of the placing plate (42) is provided with the first spring (45), one side surface of the detector (2) is fixedly connected with the connecting column (46), the outer surface of the connecting column (46) is sleeved with the second spring (47), the outer surface of the connecting column (46) is sleeved with the first sealing ring (48), the outer surface of the connecting column (46) is provided with the second connecting piece (49), the outer surface of the second connecting piece (49) is provided with the clamping groove (410), the outer surface of the first connecting piece (41) is slidably connected with the sliding block (411), and the inner surface of the sliding block (411) is fixedly connected with the stop block (412).

2. The apparatus for non-destructive testing of gas pipeline leaks according to claim 1, characterized in that: The placing holes (43) are equidistantly arranged on the inner surface of the placing plate (42), and the balls (44) are equidistantly arranged on the inner surface of the placing plate (42).

3. The apparatus for non-destructive testing of gas pipeline leaks according to claim 1, characterized in that: The outer surface size of the connecting column (46) matches the inner surface size of the first sealing ring (48), and the clamping grooves (410) are equidistantly arranged on the outer surface of the second connecting piece (49).

4. The apparatus for non-destructive testing of gas pipeline leaks according to claim 1, characterized in that: The outer surface size of the stop block (412) matches the inner surface size of the sliding block (411).

5. The apparatus for non-destructive testing of gas pipeline leaks according to claim 1, characterized in that: The inner surface size of the first connecting piece (41) matches the outer surface size of the second connecting piece (49).

6. The apparatus for non-destructive testing of gas pipeline leaks according to claim 1, wherein: The sealing assembly (5) comprises a ventilation groove (51), a mounting groove (52), a second sealing ring (53), an annular clamping piece (54) and a sealing gasket (55), the lower surface of the connecting pipe (3) is provided with the ventilation groove (51), the inner surface of the ventilation groove (51) is provided with the mounting groove (52), the inner surface of the mounting groove (52) is provided with the second sealing ring (53), the outer surface of the second sealing ring (53) is fixedly connected with the annular clamping piece (54), and the lower surface of the connecting pipe (3) is provided with the sealing gasket (55).

7. A gas pipeline leak non-destructive detection device according to claim 6, characterized in that: The outer surface size of the second sealing ring (53) matches the inner surface size of the mounting groove (52), and the annular clamping pieces (54) are equidistantly arranged on the inner surface of the ventilation groove (51).