Airtightness detection device for pressure pipeline
By designing an airtightness testing device for pressure pipelines, the problems of poor sealing and positional deviation were solved, achieving stable sealing and adaptive support, and improving the accuracy and convenience of testing.
Patent Information
- Application Number
- CN202520247044.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing pressure pipeline airtightness testing methods suffer from poor sealing and pipeline position deviation, affecting testing accuracy.
An airtightness testing device comprising two sets of plugs was designed. The plugs consist of a base frame, a pipe fixing clamp, a plug plate, a rubber body, a vertical plate, and a screw. They are equipped with a pressure pipe, a pressure gauge, and a support frame to stabilize the seal and support the pipeline, ensuring accurate testing.
It achieves stable sealing and good airtightness at the pressure pipeline port, can adapt to different pipeline lengths, and improves the accuracy and convenience of airtightness testing.
Smart Images
Figure CN223664209U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline gas tightness detection technical field, specifically point to a kind of gas tightness detection device for pressure pipeline. BACKGROUND
[0002] Pressure pipeline refers to all the pipe that withstands internal pressure or external pressure, regardless of its pipe medium, pressure pipeline is part of the pipeline, and the pipeline is used to transport, distribute, mix, separate, discharge, measure, control and prevent fluid flow, usually refers to the special equipment and pipeline that may cause explosion and poisoning and other greater risk in production and life, for example, oil, gas and the like, so the safety of pressure pipeline is very important, and the gas tightness detection of pressure pipeline is one of the important safety factors.
[0003] Pressure pipeline includes various types of pipes, including straight seam welded pipe, spiral welded pipe and the like, before using such pipes, gas tightness detection shall be carried out.
[0004] At present, when detecting the gas tightness of pressure pipeline, there are certain deficiencies, such as poor sealing performance of the two ends of the pressure pipeline, which cannot guarantee the accuracy of detection, and the pressure pipeline is not well limited and fixed during detection, which causes the position of the pressure pipeline to deviate during detection, affects the sealing effect, and thus affects the detection effect. UTILITY MODEL CONTENTS
[0005] The utility model aims at at least solving one of the technical problems existing in the prior art, and provides a gas tightness detection device for pressure pipeline.
[0006] A gas tightness detection device for pressure pipeline, comprising two groups of plugging devices for pipeline openings, the plugging device comprises a chassis, the top of the chassis is provided with a pipeline fixing clamp and a plugging plate for plugging the pipeline opening, the side of the plugging plate close to the pipeline opening is provided with a rubber body, the two sides of the plugging plate are provided with ear plates, the ear plates are provided with through holes, the two sides of the pipeline on the chassis are provided with vertical plates, the vertical plates are provided with screw rods, the screw rods are screwed with nuts through the through holes,
[0007] One of the plugging plates is connected with a pressurizing pipe, the plugging plate and the rubber body are both provided with through holes, the pressurizing pipe communicates with the pipeline through the through holes, and the pressurizing pipe is provided with a pressure gauge.
[0008] Further, the rubber body is conical.
[0009] Further, the pressurizing pipe is provided with a one-way valve and an exhaust valve, the pressure gauge is arranged between the plugging plate and the one-way valve, and the exhaust valve is arranged between the plugging plate and the one-way valve.
[0010] Further, a plurality of support frames for supporting the middle part of the pipeline are arranged between the two occluders.
[0011] The utility model discloses have the beneficial effect compared with prior art: the utility model discloses reasonable structure, and the port of the pipeline made is blocked stably, and the sealing property is good, is favorable for air -tight detection, and the pressure gauge clearly shows pressure information;
[0012] The support frames arranged between the two occluders can adapt to different lengths of the pipeline and are convenient and practical. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a schematic view of a kind of air-tight detection device for pressure pipeline of the utility model;
[0014] Figure 2 is the cross section schematic view of the occluder with the utility model has pressurizing pipe.
[0015] As shown in the figure: 1, underframe;2, pipeline fixing clamp;3, baffle;4, rubber body;5, ear plate;6, through hole;7, vertical plate;8, screw;9, nut;10, pressurizing pipe;11, through hole;12, pressure gauge;13, check valve;14, exhaust valve;15, support frame. DETAILED DESCRIPTION
[0016] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, so it cannot be understood as a limitation on the utility model.
[0017] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0018] In the description of the embodiments of the utility model, if a certain feature is referred to as "set", "fixed", "connected", "installed" on another feature, it can be directly set, fixed, connected on another feature, or indirectly set, fixed, connected, installed on another feature.
[0019] In the description of the embodiments of the utility model, if it involves "several", its meaning is more than one, if it involves "multiple", its meaning is more than two, if it involves "greater than", "less than", "exceed", should be understood as not including the number, if it involves "above", "below", "within", should be understood as including the number. If it involves "first", "second", should be understood as being used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0020] One of the embodiments of the utility model will be described below with reference to the drawings as an example.
[0021] A kind of air-tight detection device for pressure pipeline, including two groups of obturator for pipeline mouth, the obturator includes chassis 1, the top of the chassis 1 is equipped with pipeline fixing clamp 2 and the obturator plate 3 for plugging pipeline mouth, the obturator plate 3 is equipped with rubber body 4 near pipeline mouth side, the two sides of the obturator plate 3 are equipped with lug plate 5, the lug plate 5 is equipped with through-hole 6, the chassis 1 is equipped with vertical plate 7 on the two sides of pipeline, the vertical plate 7 is equipped with screw rod 8, the screw rod 8 is screwed with nut 9 passing through through-hole 6,
[0022] One of the obturator plate 3 is connected with pressurizing pipe 10, and the obturator plate 3 and the corresponding rubber body 4 connected with pressurizing pipe 10 are all equipped with through hole 11, the pressurizing pipe 10 is communicated with pipeline by through hole 11, the pressurizing pipe 10 is equipped with pressure gauge 12.
[0023] The rubber body 4 is conical.
[0024] The pressurizing pipe 10 is equipped with one-way valve 13 and exhaust valve 14, the pressure gauge 12 is arranged between obturator plate 3 and one-way valve 13, and the exhaust valve 14 is arranged between obturator plate 3 and one-way valve 13.
[0025] A plurality of support frames 15 for supporting the middle part of the pipeline are further arranged between the two obturators.
[0026] In use, this utility model places a set of plugs at both ends of the manufactured pipe. The base frame 1 and several support frames 15 placed in the middle support the pipe. The pipe fixing clamp 2 of each plug is located inside the vertical plate 7. The pipe port is fixed by the pipe fixing clamp 2, like an existing pipe clamp. Each port is located between two vertical plates 7. The two side ears 5 of the plug plate 3 are fitted onto the screws 8 on the vertical plate 7 through the through holes 6. The rubber body 4 is placed inside the pipe port. The nut 8 is tightened, and the plug plate 3 moves into the pipe along with the rubber body 4. The pipe opening is stably sealed. One of the plugs 3 is equipped with a pressurizing pipe 10, a pressure gauge 12, a one-way valve 13, and an exhaust valve 14. The pressurizing pipe 10 is connected to a pressurizing device, such as a compressed air supply device. The specific process is as follows: close the exhaust valve 14, and the pressurizing device supplies air into the pressurizing pipe 10 until the pressure gauge reaches the set threshold. Set the maintenance time after pressurization, observe the change in the vertical information of the pressure gauge, and judge whether the air seal of the pipeline is qualified. If the pressure gauge value decreases after a period of time, the air seal of the pipeline is unqualified.
[0027] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A leak detection apparatus for a pressure pipe, characterized by: The utility model provides a pipeline sealing device, including two groups of sealing stopper for pipeline mouth, the bottom frame top of sealing stopper is equipped with pipeline fixing clamp and the baffle for sealing pipeline mouth, the baffle is equipped with rubber body near one side of pipeline mouth, both sides of baffle are equipped with lug, lug is equipped with through -hole, the bottom frame is equipped with riser on both sides of pipeline, riser is equipped with screw rod, screw rod is screwed with nut through through -hole, One of the baffle is connected with pressurizing pipe, the baffle and corresponding rubber body connected with pressurizing pipe are equipped with through -hole, pressurizing pipe is communicated with pipeline through through -hole, pressurizing pipe is equipped with pressure gauge.
2. A leak detection apparatus for a pressure pipe according to claim 1, wherein: The rubber body is conical.
3. A leak detection apparatus for a pressure pipe according to claim 1, wherein: The pressurizing pipe is equipped with a one-way valve and an exhaust valve, the pressure gauge is arranged between the baffle and the one-way valve, and the exhaust valve is arranged between the baffle and the one-way valve.
4. A leak detection apparatus for a pressure pipe according to claim 1, wherein: A plurality of support frames for supporting the middle part of the pipeline are further arranged between the two sealing stoppers.