CN119845514A - Gas pipeline air tightness detection device and detection method thereof - Google Patents
Gas pipeline air tightness detection device and detection method thereof Download PDFInfo
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- CN119845514A CN119845514A CN202510110245.8A CN202510110245A CN119845514A CN 119845514 A CN119845514 A CN 119845514A CN 202510110245 A CN202510110245 A CN 202510110245A CN 119845514 A CN119845514 A CN 119845514A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Examining Or Testing Airtightness (AREA)
Abstract
本发明属于燃气管道检测技术领域，尤其涉及一种燃气管道气密性检测装置及其检测方法；包括操作台，操作台上对称设置有能够相向移动的支撑立柱，支撑立柱连接有检测部件，检测部件包括第一框体和第二框体，第一框体和第二框体分别对称设置于支撑立柱的相向侧，在驱动部件的带动下，第一框体和第二框体抵贴在内部形成检测腔室，检测腔室内轴线方向贯穿设置有用于夹持待测管件的夹持口，检测腔室内设置有密封部件，密封部件、检测腔室内壁以及待测管件构成密封的检测区，检测区连接有检测气源输入管道和气压检测仪表；待测管件受到前后两端夹持口的夹持支撑，再通过检测气源输入管道检测区内输入检测气体进行气密性检测，有效提高检测效率。
The present invention belongs to the technical field of gas pipeline detection, and particularly relates to a gas pipeline air tightness detection device and a detection method thereof; comprising an operating table, symmetrically arranged support columns that can move toward each other on the operating table, the support columns are connected with a detection component, the detection component comprises a first frame body and a second frame body, the first frame body and the second frame body are symmetrically arranged on the opposite sides of the support columns, respectively, driven by a driving component, the first frame body and the second frame body are pressed against the inside to form a detection chamber, a clamping port for clamping a pipe to be tested is arranged through the axial direction of the detection chamber, a sealing component is arranged in the detection chamber, the sealing component, the inner wall of the detection chamber and the pipe to be tested constitute a sealed detection area, the detection area is connected with a detection gas source input pipeline and an air pressure detection instrument; the pipe to be tested is clamped and supported by the clamping ports at the front and rear ends, and then the detection gas is input into the detection area through the detection gas source input pipeline to perform air tightness detection, thereby effectively improving the detection efficiency.
Description
Technical Field
The invention belongs to the technical field of gas pipeline detection, and particularly relates to a gas pipeline air tightness detection device and a detection method thereof.
Background
The pipeline with good air tightness can ensure to maintain stable air supply pressure in the air conveying process, if the pipeline leaks, the air supply pressure can be reduced, normal air consumption requirements of a user cannot be met, normal operation of gas equipment is affected, waste of gas resources is directly caused, meanwhile, gas such as natural gas and air are mixed to reach a certain concentration range, and explosion occurs when encountering a fire source. The common gas pipeline air tightness detection method mainly comprises a soapy water leakage test method, a pressure decay method and the like. Although the method can detect the leakage point of the pipeline to a certain extent, the method has the problems of complex operation, low detection precision, large influence by environmental factors and the like, and meanwhile, through other existing gas pipeline air tightness detection devices, the detection air is injected into the port of the sealed pipeline to observe the detection tightness of the pressure measuring instrument which is matched with the sealed pipeline, so that the problems of long assembly and detection time exist, and the detection efficiency is influenced.
Disclosure of Invention
The invention aims at solving the technical problems, and provides a gas pipeline air tightness detection device and a detection method thereof, wherein a pipe to be detected is clamped and supported by clamping ports at the front end and the rear end, and then detection gas is input into a sealed detection area formed by a sealing component, the inner wall of the detection chamber and the pipe to be detected through a detection gas source input pipeline, so that the detection efficiency is effectively improved.
In view of the above, the invention provides a gas pipeline air tightness detection device, which comprises an operation table, wherein supporting columns capable of moving in opposite directions are symmetrically arranged on the operation table, the supporting columns are connected with detection components, the detection components comprise a first frame body and a second frame body, the first frame body and the second frame body are respectively and symmetrically arranged on opposite sides of the supporting columns, under the drive of a driving component, the first frame body and the second frame body are abutted against each other to form a detection cavity, a clamping opening for clamping a pipe to be detected is arranged in the axial direction of the detection cavity in a penetrating manner, a sealing component is arranged in the detection cavity, and a detection area for sealing is formed by the sealing component, the inner wall of the detection cavity and the pipe to be detected, and is connected with a detection gas source input pipeline and a gas pressure detection instrument.
According to the technical scheme, a pipe fitting to be detected penetrates through the detection part, the driving part drives the supporting columns symmetrically arranged on the operation table to move close to each other, the detection part is arranged on opposite sides of the supporting columns on two sides, the supporting columns are followed to approach until the pipe fitting to be detected is fixedly clamped, the assembly of the gas pipeline and the detection device is more convenient and rapid, the operation is simple, the detection efficiency can be remarkably improved, an operator can rapidly complete a detection task, the time consumption in the detection process is reduced, the pipe fitting to be detected penetrates through the detection cavity formed by abutting the first frame body and the second frame body, the pipe fitting to be detected is supported by clamping ports at the front end and the rear end, the gas is input into the sealing cavity through the detection gas source input pipeline to form a sealed detection area by the sealing part, the inner wall of the detection cavity and the pipe fitting to be detected, and whether the gas tightness of the pipe body to be detected in the detection area is good is judged according to the gas pressure value displayed on the gas pressure detection instrument communicated with the detection area.
In the above technical scheme, further, sealing component is including setting up in the semi-annular supporting shoe of above-mentioned first framework and second framework inner wall of detecting the cavity, and the supporting shoe is kept away from detecting cavity inner wall one side and is offered the mounting groove along the pipe fitting circumference that awaits measuring, and sealed gasbag encircles the pipe fitting that awaits measuring and is fixed in two sections concatenation and form annular mounting groove in, and sealed gasbag intercommunication has sealed air supply input pipeline.
In this technical scheme, through sealed air supply input pipeline to the sealed gasbag input gas in the mounting groove, the sealed gasbag of detecting the cavity in both sides expands and constitutes sealed detection zone with mounting groove and detection cavity inner wall and the pipe fitting that awaits measuring, carries out the quick detection zone of creating sealedly to the gas-supply through sealed gasbag, effectively improves detection efficiency, and sealed effectual, guarantees the detection accuracy.
In the above technical scheme, further, two support blocks are provided with the ring board that ventilates in supporting the subsides between, ring board intercommunication air supply input pipeline and barometer ventilates, and ring board that ventilates is kept away from framework one side and is link up and be provided with the inlet channel, and ring board and sealing member, the pipe fitting outer wall that awaits measuring constitute the sealing zone, and ring board that ventilates is fixed to support to be pasted and is set up in the inner wall that detects the cavity.
In this technical scheme, through setting up the setting of ventilation annular plate, further form the sealing area in the detection zone, detect the gaseous sealed district that can be filled fast through ventilation annular plate to the detection gas of detection air supply input pipeline input detection zone, further improve detection efficiency.
In the above technical scheme, further, the support side of the ventilation ring plate and the detection chamber is provided with a first through groove along the circumference of the ventilation ring plate, and the side of the first through groove, which is far away from the frame body, is provided with a through air inlet channel.
In the above technical solution, further, the air inlet channel is circumferentially disposed along the length direction of the first through slot.
In this technical scheme, from the detection gas of detecting air supply input pipeline input first entering first logical groove, first logical groove and detection district are through running through the inlet channel intercommunication that sets up along first logical groove length direction circumference, and the detection gas of entering first logical groove can get into the sealed district through each inlet channel, guarantees to fill the sealed district's detection gas seal efficiency fast and avoid single entry point to cause the influence to the testing result.
In the above technical scheme, further, the support column bottom is provided with first slider, correspond the slider on the operation panel and be provided with first spout, first slider passes first spout in the operation panel and drive part is connected, drive part includes the drive slat with first slider fixed connection, drive slat slides along first spout length direction and sets up in the operation panel, drive slat one side is provided with rack structure, rack structure meshing has first gear, first gear rotates and sets up in the operation panel, first gear downside coaxial coupling has first worm wheel, tooth portion structure on first worm wheel and the actuating lever meshes, the actuating lever rotates and is connected in the operation panel, coaxial fixedly connected with first motor in actuating lever one side. Through the transmission connection of actuating lever, first worm wheel, first gear and drive slat, when first motor drove the actuating lever and rotated, both sides support post can be close to each other or keep away from, conveniently carries out quick centre gripping or releases the centre gripping to the pipe fitting that awaits measuring.
In the above technical scheme, further, the support column is provided with the second spout that runs through the top with the framework connection side, and framework corresponds support column fixedly connected with can be in the gliding second slider of second spout.
In the above technical scheme, further, the second spout butt has the magnetism of inlaying in the support column and inhale the piece, and the second slider is but magnetic conduction material, and the second slider is in the second spout and the magnetism butt of inhaling the piece after the framework is installed.
In the technical scheme, the second sliding block can adopt a silicon steel sheet, the magnetic attraction block is an electromagnet, the silicon steel sheet is an iron alloy with higher silicon content and has excellent soft magnetic performance, such as low coercive force, high magnetic permeability and the like, and the characteristics enable the second sliding block to form more stable magnetic connection after the magnetic attraction block is electrified, so that the corresponding first frame body and the second frame body can be conveniently replaced when detecting pipe fittings with different specifications.
The detection method of the gas pipeline air tightness detection device further comprises the following steps:
S1, clamping a pipe fitting to be tested, enabling the pipe fitting to pass through a space between a first frame body and a second frame body, enabling a driving part to drive supporting columns connected with the frame bodies at two sides to be close to each other until two sides of the frame bodies are abutted, and clamping the pipe fitting to be tested by clamping openings at two sides of the frame bodies at the moment;
s2, forming a detection area, inputting gas into the sealing air bags in the mounting groove through a sealing gas source input pipeline, and forming a sealed detection area by expanding the sealing air bags at two sides in the detection cavity together with the mounting groove, the inner wall of the detection cavity and the pipe fitting to be detected;
S3, gas transmission detection, namely inputting detection gas into a detection area by a detection gas source input pipeline, enabling the detection gas to enter a first through groove firstly, enabling the detection gas to pass through an air inlet channel along the circumference of the length direction of the first through groove and enter a sealing area for rapid filling, and then judging whether the gas tightness of the gas pipeline is good or not by observing the value of a gas pressure detection instrument communicated with the detection area;
And S4, disassembling the pipe fitting, stopping air inflow of the sealed air source input pipeline, decompressing by the decompression device, and after decompressing to a set threshold value, driving the support upright posts at two sides to move away from each other by the driving part, releasing the clamping of the pipe fitting to be tested, and disassembling the pipe fitting to be tested.
The beneficial effects of the invention are as follows:
1. The pipe fitting to be detected passes through the detection chamber formed by the abutting of the first frame body and the second frame body, is clamped and supported by the clamping ports at the front end and the rear end, and then the detection gas is input into the sealed chamber through the detection gas source input pipeline by the sealing component, the inner wall of the detection chamber and a sealed detection area formed by the pipe fitting to be detected, so that the detection efficiency is effectively improved;
2. The ventilation ring plate is arranged, a sealing area is further formed in the detection area, detection gas input from the detection gas source input pipeline firstly enters the first ventilation groove, the first ventilation groove is communicated with the detection area through the gas inlet channels penetrating through the circumference of the length direction of the first ventilation groove, and the detection gas entering the first ventilation groove can enter the sealing area through the gas inlet channels, so that the sealing efficiency of the detection gas which is filled in the sealing area rapidly is ensured, and the influence of a single gas inlet point on a detection result is avoided;
3. The pipe fitting to be detected passes the detection part, drives the support columns symmetrically arranged on the operation platform through the driving part to move close to each other, the detection part is arranged on opposite sides of the support columns on two sides, the support columns are followed to move close until the pipe fitting to be detected is fixedly clamped, the assembly of the gas pipeline and the detection device is more convenient, the operation is simple, the detection efficiency can be remarkably improved, an operator can rapidly complete the detection task, and the time consumption in the detection process is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the invention;
FIG. 2 is a schematic structural view of a driving member;
FIG. 3 is a cross-sectional view of the sensing component when the tubular under test is clamped;
fig. 4 is a cross-sectional view of a test element of another embodiment for gripping a tubular to be tested.
The label in the figure is:
1. the device comprises an operating platform, a supporting column, a 3, a detecting part, a 4, a pipe to be detected, a 5, a first sliding block, a 6, a first sliding groove, a7, a driving slat, a 8, a rack structure, a 9, a first gear, a 10, a first worm gear, a 11, a driving rod, a 12, a tooth structure, a13, a first motor, a 14, a first frame, a 15, a second frame, a 16, a detecting chamber, a 17, a clamping opening, a 18, a detecting area, a 19, a detecting air source input pipeline, a 20, an air pressure detecting instrument, a 21, a detecting pipeline, a 22, a supporting block, a 23, a mounting groove, a 24, a sealing air bag, a 25, a sealing air source input pipeline, a 26, a second sliding groove, a 27, a second sliding block, a 28, a magnetic suction block, a 29, a control panel, a 30, a rubber layer, a 31, a sealing area, a 32, a ventilating ring plate, a 33, a first through groove, a 34 and an air inlet channel.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc., generally refer to the orientation or positional relationship shown in the drawings, and merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application, but rather the orientation terms "inside and outside" refer to the inside and outside with respect to the outline of each component itself.
It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
First embodiment:
As shown in fig. 1-3, this embodiment provides a gas pipeline gas tightness detection device, including operation panel 1, the symmetry is provided with support column 2 that can move in opposite directions on the operation panel 1, support column 2 is connected with detection component 3, detection component 3 includes first framework 14 and second framework 15, first framework 14 and second framework 15 symmetry set up respectively in support column 2's opposite sides, under the drive of drive component, first framework 14 and second framework 15 support and paste inside formation detection cavity 16, the interior axial direction of detection cavity 16 runs through and is provided with the grip orifice 17 that is used for the centre gripping pipe fitting 4 that awaits measuring, be provided with sealing member in the detection cavity 16, sealing member, detection cavity 16 inner wall and the pipe fitting 4 that awaits measuring constitute sealed detection zone 18, detection zone 18 is connected with detection air supply input pipeline 19 and air pressure gauge 20.
The pipe fitting 4 to be detected passes through the detection part 3, the support columns 2 symmetrically arranged on the operation table 1 are driven by the driving part to move close to each other, the detection part 3 is arranged on the opposite sides of the support columns 2 at the two sides, the support columns 2 are followed to move close until the pipe fitting 4 to be detected is fixedly clamped, the assembly of a gas pipeline and a detection device is more convenient and quick, the operation is simple, the detection efficiency can be remarkably improved, an operator can rapidly complete a detection task, the time consumption in the detection process is reduced, the pipe fitting 4 to be detected passes through the detection cavity 16 formed by abutting the first frame 14 and the second frame 15, the pipe fitting 4 to be detected is supported by the clamping ports 17 at the front end and the rear end, the gas is input into the sealing cavity through the detection gas source input pipeline 19, the internal gas pressure is increased by the sealing part, the inner wall of the detection cavity 16 and the detection area 18 formed by the pipe fitting 4 to be detected, and whether the gas tightness of the pipe fitting to be detected in the detection area 18 is good or not is judged according to the gas pressure value displayed on the gas pressure detection instrument 20 communicated with the detection area 18.
As shown in fig. 3, the sealing component includes a semi-annular supporting block 22 disposed on the inner walls of the first frame 14 and the second frame 15 of the detection chamber 16, a mounting groove 23 is formed on one side of the supporting block 22 away from the inner wall of the detection chamber 16 along the circumferential direction of the pipe fitting 4 to be detected, a sealing air bag 24 is fixed in the two sections of the mounting groove 23 formed by splicing around the pipe fitting 4 to be detected, and the sealing air bag 24 is communicated with a sealing air source input pipeline 25.
The sealed air bags 24 in the mounting groove 23 are input with air through the sealed air source input pipeline 25, the sealed air bags 24 on two sides in the detection chamber 16 are expanded to form a sealed detection area 18 together with the mounting groove 23, the inner wall of the detection chamber 16 and the pipe fitting 4 to be detected, the sealed detection area 18 is quickly built for air transmission through the sealed air bags 24, the detection efficiency is effectively improved, and the sealing effect is good
The pressure measuring instrument is used as a mature existing air pressure detecting instrument, the model and specification of the pressure measuring instrument are selected and fixed, and the pressure measuring instrument is correspondingly selected and arranged in specific practical situations, and the application is not repeated. The detection gas may be an inert gas such as helium or nitrogen.
Still include pressure relief device (not shown), pressure relief device and detection cavity 16 intercommunication, after accomplishing the measurement, before the framework is opened, carry out the pressure release in to through pressure relief device earlier, pressure relief device further can carry out the chain setting with the framework, the pressure release does not reach the settlement threshold value promptly, the framework can not open, avoid directly opening the framework and can probably release in the twinkling of an eye because of the pressure and produce danger, if gas blowout can lead to personnel injury or initiate other unexpected situations, and when detecting that there is too high pressure in the cavity 16 in the testing process, pressure relief device can in time release pressure, avoid causing the damage to the device itself because of the pressure is too big, the life of device has been prolonged, operating personnel's personal safety has also been ensured simultaneously. The pressure relief device itself and the interlocking arrangement with the detection part 3 all belong to the mature prior art, and can be purchased and adaptively arranged in the detection device, so that the pressure relief device is not unfolded repeatedly.
A control panel 29 is arranged on one side of the operation table 1, and the control panel 29 is electrically connected with the detection part 3 and the sealing part.
A rubber layer 30 is provided at the grip opening 17. The surface of the tube body to be tested is prevented from being scratched and stamped while the clamping effect is good.
Second embodiment:
The present embodiment provides a gas pipeline air tightness detection device, which has the following technical features in addition to the technical scheme of the above embodiment.
As shown in fig. 1 and 2, a first sliding block 5 is arranged at the bottom of the supporting upright 2, a first sliding groove 6 is arranged on the operating platform 1 corresponding to the sliding block, the first sliding block 5 penetrates through the first sliding groove 6 and is connected with a driving component in the operating platform 1, the driving component comprises a driving slat 7 fixedly connected with the first sliding block 5, the driving slat 7 is slidably arranged in the operating platform 1 along the length direction of the first sliding groove 6, a rack structure 8 is arranged on one side of the driving slat 7, a first gear 9 is meshed with the rack structure 8, the first gear 9 is rotatably arranged in the operating platform 1, a first worm gear 10 is coaxially connected with the lower side of the first gear 9, the first worm gear 10 is meshed with a tooth structure 12 on a driving rod 11, the driving rod 11 is rotatably connected in the operating platform 1, and a first motor 13 is coaxially and fixedly connected with one side of the driving rod 11.
Through the transmission connection of actuating lever 11, first worm wheel 10, first gear 9 and drive slat 7, when first motor 13 drove actuating lever 11 and rotated, both sides support post 2 can be close to each other or keep away from, conveniently carries out quick centre gripping or releases the centre gripping to the pipe fitting 4 that awaits measuring.
The support column 2 and the frame body are connected with a second chute 26 penetrating through the top, and the frame body is fixedly connected with a second sliding block 27 which can slide in the second chute 26 corresponding to the support column 2.
The second sliding groove 26 is abutted with a magnetic attraction block 28 embedded in the supporting upright post 2, the second sliding block 27 is made of a magnetic conductive material, and the second sliding block 27 is abutted with the magnetic attraction block 28 in the second sliding groove 26 after the frame body is installed.
The second slider 27 can adopt a silicon steel sheet, the magnetic attraction block 28 is an electromagnet, the silicon steel sheet is an iron alloy with higher silicon content, and the second slider 27 has excellent soft magnetic properties, such as low coercive force, high magnetic permeability and the like, and the characteristics enable the second slider 27 to form more stable magnetic connection after the magnetic attraction block 28 is electrified, so that the corresponding first frame 14 and second frame 15 can be conveniently replaced when detecting pipes with different specifications.
Third embodiment:
The present embodiment provides a gas pipeline air tightness detection device, which has the following technical features in addition to the technical scheme of the above embodiment.
As shown in fig. 4, a ventilation ring plate 32 is abutted between two support blocks 22, the ventilation ring plate 32 is communicated with an air source input pipeline and the air pressure detecting instrument 20, an air inlet channel 34 is arranged on one side, away from the frame, of the ventilation ring plate 32 in a penetrating manner, a sealing area 31 is formed by the ventilation ring plate 32, a sealing part and the outer wall of the pipe fitting 4 to be detected, and the ventilation ring plate 32 is fixedly abutted to the inner wall of the detecting chamber 16.
By arranging the ventilation ring plate 32, a sealing area 31 is further formed in the detection area 18, and the detection gas input into the detection area 18 by the detection gas source input pipeline 19 can rapidly fill the sealing area 31 through the ventilation ring plate 32, so that the detection efficiency is further improved.
The ventilation ring plate 32 and the contact side of the detection chamber 16 are provided with a first ventilation groove 33 along the circumferential direction of the ventilation ring plate 32, and the first ventilation groove 33 is provided with a through air inlet passage 34 away from the frame side. The air intake passage 34 is circumferentially provided along the longitudinal direction of the first through groove 33. The detection gas input from the detection gas source input pipeline 19 firstly enters the first through groove 33, the first through groove 33 is communicated with the detection region 18 through the gas inlet channels 34 which are circumferentially arranged along the length direction of the first through groove 33, and the detection gas entering the first through groove 33 can enter the sealing region 31 through the gas inlet channels 34, so that the sealing efficiency of the detection gas rapidly filling the sealing region 31 is ensured, and the influence of a single gas inlet point on a detection result is avoided.
The detection method of the gas pipeline air tightness detection device further comprises the following steps:
s1, clamping a pipe fitting 4 to be tested, enabling the pipe fitting to pass through a space between a first frame 14 and a second frame 15, enabling a driving part to drive support columns 2 connected with the frames at two sides to be close to each other until two sides of the frames are abutted, and clamping the pipe fitting 4 to be tested by clamping openings 17 at two sides of the frames at the moment;
S2, forming a detection area 18, inputting gas to a sealing air bag 24 in a mounting groove 23 through a sealing gas source input pipeline 25, and expanding the sealing air bag 24 at two sides in the detection chamber 16 together with the mounting groove 23 and the inner wall of the detection chamber 16 and the pipe fitting 4 to be detected to form the sealed detection area 18;
S3, gas transmission detection, namely, inputting detection gas into the detection area 18 by the detection gas source input pipeline 19, enabling the detection gas to enter the first through groove 33 firstly, enabling the detection gas to pass through the gas inlet channel 34 along the circumference of the length direction of the first through groove 33, and enter the sealing area 31 for rapid filling, and then judging whether the gas tightness of the gas pipeline is good or not by observing the value of the gas pressure detection instrument 20 communicated with the detection area 18;
And S4, disassembling the pipe fitting, stopping air inflow through the sealed air source input pipeline 25, decompressing by the decompression device, driving the support columns 2 on the two sides to move away from each other by the driving part after decompressing to a set threshold value, releasing the clamping of the pipe fitting 4 to be tested, and disassembling the pipe fitting 4 to be tested.
Through to removing the body that awaits measuring, detect the body surface of the different sections on the body after holding the body that awaits measuring, repeat the operation, can carry out the gas tightness performance detection with whole body that awaits measuring entirely.
The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202510110245.8A CN119845514A (en) | 2025-01-23 | 2025-01-23 | Gas pipeline air tightness detection device and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510110245.8A CN119845514A (en) | 2025-01-23 | 2025-01-23 | Gas pipeline air tightness detection device and detection method thereof |
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| CN119845514A true CN119845514A (en) | 2025-04-18 |
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| CN202510110245.8A Pending CN119845514A (en) | 2025-01-23 | 2025-01-23 | Gas pipeline air tightness detection device and detection method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112067212A (en) * | 2020-09-25 | 2020-12-11 | 上海骄成机电设备有限公司 | A pipeline air tightness detection device |
| CN116337365A (en) * | 2023-03-07 | 2023-06-27 | 中国建筑第八工程局有限公司 | Airtightness detection device and pipeline airtightness detection method for heating and ventilation pipelines of buildings |
| CN222047438U (en) * | 2024-04-03 | 2024-11-22 | 廊坊百川智慧能源科技发展有限公司 | Gas pipeline interface air tightness detection device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067212A (en) * | 2020-09-25 | 2020-12-11 | 上海骄成机电设备有限公司 | A pipeline air tightness detection device |
| CN116337365A (en) * | 2023-03-07 | 2023-06-27 | 中国建筑第八工程局有限公司 | Airtightness detection device and pipeline airtightness detection method for heating and ventilation pipelines of buildings |
| CN222047438U (en) * | 2024-04-03 | 2024-11-22 | 廊坊百川智慧能源科技发展有限公司 | Gas pipeline interface air tightness detection device |
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