CN115683821B - A plugging device and method for pipeline pressure resistance detection - Google Patents
A plugging device and method for pipeline pressure resistance detection Download PDFInfo
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- CN115683821B CN115683821B CN202211418465.XA CN202211418465A CN115683821B CN 115683821 B CN115683821 B CN 115683821B CN 202211418465 A CN202211418465 A CN 202211418465A CN 115683821 B CN115683821 B CN 115683821B
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Abstract
The invention discloses a plugging device and a plugging method for pipeline compression detection, wherein the plugging device comprises an operation box, a box door and a positioning rubber seat are arranged at the bottom of the operation box in a front rotating manner, the top of the positioning rubber seat is positioned in the operation box and is convexly provided with a rubber plug matched with a pipe orifice of a pipeline, an air pressure transmission mechanism is arranged on the inner top wall of the operation box, the top of the air pressure transmission mechanism is positioned outside the operation box and is provided with a vent, the bottom of the air pressure transmission mechanism is provided with a flexible plug and drives the flexible plug to vertically move and expand, the flexible plug is provided with an inner cavity and corresponds to the rubber plug, and a pair of limiting plates which are symmetrically positioned at two sides of the rubber plug and can be far away or close to each other are vertically arranged in the operation box and are used for supporting the pipeline to enable the pipeline to be always vertically positioned between the rubber plug and the flexible plug, and the peripheral walls of the flexible plug correspondingly and tightly abutted against the inner peripheral walls of two end orifices of the pipeline when the pipeline is in a working state. The invention solves the technical problem of how to effectively block the pipeline conveniently and reliably.
Description
Technical Field
The invention relates to the technical field of pipeline detection, in particular to a plugging device and a plugging method for pipeline compression resistance detection.
Background
A pipe is a device for transporting a fluid medium such as a gas or a liquid. Before the pipeline leaves the factory, the pipeline needs to be plugged to carry out compression detection, so that defective products are prevented from flowing to a client and the use safety is guaranteed. At present, the pipeline is blocked by the way that the blocking cover sleeved with the sealing ring is tightly fixed on two ports of the pipeline through the screws, so that the operation is complicated, the blocking efficiency is low, the screw is easy to loose in the testing process, the blocking reliability is low, the sealing performance is poor, and the accuracy of the testing result is affected.
Disclosure of Invention
In view of the defects in the background art, the invention provides a plugging device and a plugging method for pipeline compression resistance detection, which are used for solving the problem of how to effectively plug a pipeline conveniently and reliably.
In order to solve the technical problems, the invention provides a plugging device for pipeline compression-resistant detection, which comprises an operation box, wherein a box door is rotatably arranged on the front surface of the operation box, a positioning rubber seat is arranged at the bottom of the operation box, the top of the positioning rubber seat is positioned in the operation box, a rubber plug matched with a pipe orifice of a pipeline is convexly arranged on the positioning rubber seat, a pneumatic transmission mechanism is arranged on the inner top wall of the operation box, the top of the pneumatic transmission mechanism is positioned outside the operation box and provided with a vent, a flexible plug is arranged at the bottom of the operation box and is used for driving the flexible plug to vertically move and expand, the flexible plug is provided with a hollow inner cavity and corresponds to the rubber plug, a pair of limiting plates which are symmetrically positioned at two sides of the rubber plug and can be far away from or close to each other are vertically arranged in the operation box, the two limiting plates are used for supporting the pipeline so that the pipeline is always vertically positioned between the rubber plug and the flexible plug, and the peripheral walls of the flexible plug are correspondingly and tightly abutted against the inner peripheral walls of two ends of the pipeline when the pipeline is in a working state.
In one embodiment of the invention, the pneumatic transmission mechanism comprises a pressure regulating mechanism, an inflation mechanism, a pressing plate, a vent pipe and a guide post, wherein the pressure regulating mechanism comprises a pressure regulating box, a transmission plate and a plurality of compression springs, the transmission plate is horizontally arranged in the pressure regulating box, the bottom of the transmission plate is vertically connected with the plurality of compression springs which are uniformly distributed, the bottom of the compression springs is fixedly connected to the inner bottom wall of the pressure regulating box, the vent port is arranged on the side wall of the pressure regulating box above the transmission plate, the inflation mechanism comprises an inflation box and at least one inflation assembly, the top of the inflation box is fixedly connected to the bottom of the pressure regulating box, the inflation assembly is arranged in the inflation box and comprises a transmission rod, a pressing rod, an energy collecting spring, a delay block, an anti-blocking mechanism and an air bag, the transmission rod is horizontally arranged on the inner bottom wall of the inflation box, the pressing rod, the energy collecting spring and the delay block are sequentially and vertically and fixedly connected between the transmission rod and the air bag, the anti-blocking mechanism is movably connected to the transmission rod and the guide post, the transmission rod is movably connected to the bottom of the inflation mechanism, the inflation assembly is fixedly connected to the bottom of the inflation box through the guide post and the guide post, and the inflation mechanism is fixedly connected to the bottom of the inflation box through the pressing plate and the guide post.
In one embodiment of the invention, the axes of the pressure regulating box, the air charging box and the guide post are coincident, the number of the air charging components is 2, and the air charging components are symmetrically positioned at two sides of the guide post.
In one embodiment of the invention, a pair of transverse cylinders in corresponding transmission connection with the limiting plates are arranged on the inner wall of the operation box.
In one embodiment of the invention, a pair of limiting plates are correspondingly provided with arc-shaped guide grooves matched with the outer wall of the pipeline on opposite surfaces of the limiting plates.
The plugging method for the pipeline is carried out in the plugging device for detecting the pressure resistance of the pipeline, and comprises the following steps of:
s1, vertically clamping a pipeline on the positioning rubber seat, wherein the top of the rubber plug extends into the bottom end opening of the pipeline;
s2, controlling a pair of limiting plates to be close to each other, and enabling opposite surfaces of the two limiting plates to be close to each other to be correspondingly attached to the outer wall of the pipeline so that the pipeline is always vertical;
And S3, continuously introducing high-pressure gas into the vent, firstly transmitting the flexible plug to completely enter the top end opening of the pipeline by the pneumatic transmission mechanism under the action of the high-pressure gas, vertically pressing the pipeline until the bottom end of the pipeline is abutted against the positioning rubber seat, completely extending the rubber plug into the bottom end opening of the pipeline to seal the bottom end of the pipeline, and finally stopping introducing the high-pressure gas after the flexible plug is expanded to seal the top end of the pipeline.
Compared with the prior art, the sealing device has the advantages that when the sealing device is used for sealing, the pipeline is vertically clamped on the positioning rubber seat only by matching the positioning rubber seat, the rubber plug, the flexible plug, the pneumatic transmission mechanism and the pair of limiting plates, the top of the rubber plug stretches into the bottom end opening of the pipeline, the opposite surfaces of the limiting plates are correspondingly abutted against the outer wall of the pipeline to enable the pipeline to be vertical all the time, and finally high-pressure gas is continuously introduced into the pneumatic transmission mechanism.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a state of use of the present invention;
FIG. 4 is a schematic view of the pneumatic transmission mechanism of the present invention;
the specification reference numerals indicate that 1, an operation box, 2, a box door, 3, a positioning rubber seat, 4, a rubber plug, 5, a pneumatic transmission mechanism, 51, an air vent, 52, a pressure regulating mechanism, 521, a pressure regulating box, 522, a transmission plate, 523, a compression spring, 53, an inflation mechanism, 531, an inflation box, 532, a transmission rod, 533, a compression rod, 534, an energy-collecting spring, 535, a time delay block, 536, a resistance mechanism, 537, an air bag, 54, a pressing plate, 55, an air vent, 56, a guide pillar, 6, a flexible plug, 7, a limiting plate, 8 and a transverse cylinder.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
With respect to the foregoing and other features, aspects and advantages of the invention, they will become apparent from the following detailed description of the embodiments, which proceeds with reference to the accompanying drawings. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or rear, etc., are only directions referring to the drawings. Thus, directional terminology is used for the purpose of illustration and is not intended to be limiting of the invention, and furthermore, like reference numerals refer to like elements throughout the embodiments.
Referring to fig. 1, fig. 2 and fig. 3, a plugging device for detecting the pressure resistance of a pipeline comprises an operation box 1, a box door 2 is rotatably installed on the front surface of the operation box 1, a positioning rubber seat 3 is installed at the bottom of the operation box 1, the top of the positioning rubber seat 3 is located in the operation box 1, a rubber plug 4 matched with the pipe orifice of the pipeline is convexly arranged on the top wall of the operation box 1, a pneumatic transmission mechanism 5 is arranged on the inner top wall of the operation box 1, the top of the pneumatic transmission mechanism 5 is located outside the operation box 1 and provided with a vent 51, a flexible plug 6 is installed on the bottom and drives the flexible plug 6 to vertically move and expand, the flexible plug 6 is provided with a hollow inner cavity and corresponds to the rubber plug 4, a pair of limiting plates 7 which are located on two sides of the rubber plug 4 and can be far away from or close to each other are vertically arranged in the operation box 1, the two limiting plates 7 are used for supporting the pipeline to enable the pipeline to be located between the rubber plug 4 and the flexible plug 6 in a vertical state, and when the pipeline is in a working state, and the flexible plug 6 is tightly abutted against the corresponding inner peripheral walls of the two ends of the flexible plug 6. Through the cooperation of location rubber seat 3, rubber end cap 4, flexible end cap 6, pneumatic drive mechanism 5 and a pair of limiting plate 7 that set up for during shutoff, as long as with the vertical card of pipeline on location rubber seat 3, the top of rubber end cap 4 stretches into in the bottom mouth of pipeline, then make limiting plate 7 opposite to each other correspond and lean on the outer wall of pipeline to make the pipeline be vertical form all the time, last with high-pressure gas continuously let in pneumatic drive mechanism 5, under pneumatic drive mechanism 5 transmission, flexible end cap 6 gets into the top mouth of pipeline completely earlier, the pipeline is vertical down to the bottom again and supports tightly on location rubber seat 3, rubber end cap 4 stretches into in order to seal the bottom of pipeline completely in the bottom mouth of pipeline, then flexible end cap 6 inflation seals the top of pipeline, thereby realized the technological effect that convenient and reliable carries out effective shutoff.
The pair of limiting plates 7 achieve the technical effect of being far away or close to each other through the following connection relationship that a pair of transverse air cylinders 8 which are in corresponding transmission connection with the limiting plates 7 are arranged on the inner wall of the operation box 1.
Referring to fig. 4, the pneumatic transmission mechanism 5 achieves the technical effects of vertical movement and expansion and contraction of the transmission flexible plug 6 by the following structure that the pneumatic transmission mechanism 5 comprises a pressure regulating mechanism 52, an inflating mechanism 53, a pressing plate 54, a vent pipe 55 and a guide post 56, wherein the pressure regulating mechanism 52 comprises a pressure regulating box 521, a transmission plate 522 and a plurality of compression springs 523, the transmission plate 522 is horizontally positioned in the pressure regulating box 521, the bottom of the transmission plate 522 is vertically connected with a plurality of compression springs 523 which are uniformly distributed, the bottom of the compression springs 523 is fixedly connected on the inner bottom wall of the pressure regulating box 521, and the vent port 51 is arranged on the side wall of the pressure regulating box 521 above the transmission plate 522; the air charging mechanism 53 comprises an air charging box 531 and at least one air charging component, the top of the air charging box 531 is fixedly connected with the bottom of the pressure regulating box 521, the air charging component is positioned in the air charging box 531 and comprises a transmission rod 532, a pressure rod 533, an energy-collecting spring 534, a delay block 535, an anti-blocking mechanism 536 and an air bag 537, the air bag 537 is vertically arranged on the inner bottom wall of the air charging box 531, the transmission rod 532 is horizontally arranged above the air bag 537, the pressure rod 533, the energy-collecting spring 534 and the delay block 535 are vertically and fixedly connected between the transmission rod 532 and the air bag 537 from top to bottom, the anti-blocking mechanism 536 is movably connected with the upper end of the delay block 535, the guide pillar 56 vertically slides through the pressure regulating box 521 and the air charging box 531, the transmission plate 522 and the transmission rod 532 are fixedly connected with the guide pillar 56, the bottom end of the guide pillar 56 is fixedly connected with the pressure plate 54 horizontally arranged below the air charging box 531, the flexible pressure plate 6 is arranged at the bottom of the pressure plate 54, and its interior communicates with the bladder 537 via the vent tube 55.
The axes of the pressure regulating box 521, the air charging box 531 and the guide pillar 56 are coincident, the number of the air charging assemblies is 2, the air charging assemblies are symmetrically positioned on two sides of the guide pillar 56, a pair of limiting plates 7 are correspondingly provided with arc-shaped guide grooves matched with the outer wall of the pipeline on opposite surfaces of the limiting plates, and thus, the driving stability is improved.
The plugging method for the pipeline is carried out in the plugging device for detecting the pressure resistance of the pipeline, and comprises the following steps of:
Step S1, vertically clamping a pipeline on the positioning rubber seat 3, wherein the top of the rubber plug 4 extends into the bottom end opening of the pipeline;
S2, controlling a pair of limiting plates 7 to be close to each other, and enabling opposite surfaces of the two limiting plates 7 to be close to each other to be correspondingly attached to the outer wall of the pipeline so that the pipeline is always vertical;
Step S3, continuously introducing high-pressure gas into the vent hole 51, under the action of the high-pressure gas, the pneumatic transmission mechanism 5 firstly transmits the flexible plug 6 to completely enter the top end opening of the pipeline, then transmits the pipeline to vertically press down to the bottom end to be abutted against the positioning rubber seat 3, the rubber plug 4 completely stretches into the bottom end opening of the pipeline to seal the bottom end of the pipeline, and finally transmits the flexible plug 6 to expand to seal the top end of the pipeline, and then stops introducing the high-pressure gas. The method has the advantages of convenient and reliable effective plugging of the pipeline, convenient operation, high plugging efficiency, reliable plugging, good plugging tightness and effective guarantee of the accuracy of the test result.
When the air bag is used, firstly, the box door 2 is opened, a pipeline to be plugged is vertically clamped on the positioning rubber seat 3 in the operation box 1, the top of the rubber plug 4 stretches into the bottom end opening of the pipeline, then, a pair of transverse air cylinders 8 are controlled to drive the limiting plates 7 to be close to each other, the opposite surfaces of the two limiting plates 7 are correspondingly abutted against the outer wall of the pipeline to enable the pipeline to be vertical, then, high-pressure air is continuously introduced into the air port 51, the driving plate 522 moves vertically downwards under the pushing of the high-pressure air, the driving plate 522 drives the pressing plate 54, the driving rod 532 and the pressing rod 533 to move downwards through the guide post 56, the pressing plate 54 firstly drives the flexible plug 6 to stretch into the top end opening of the pipeline, then, the bottom end of the pipeline is pushed to be abutted against the positioning rubber seat 3, the rubber plug 4 completely stretches into the bottom end opening of the pipeline and the peripheral wall of the pipeline is tightly abutted against the inner peripheral wall of the bottom end opening of the pipeline, meanwhile, the pressing rod 533 presses the energy-accumulating springs 534, the energy accumulating springs 534 compress the elastic potential energy accumulating to the energy-resisting blocks 535 to push the anti-resistance mechanisms to separate, the pressing plate 535 moves downwards under the pushing of the high-pressure air bag, and the flexible plug 6 stretches into the peripheral wall of the air bag to be tightly abutted against the peripheral opening of the flexible air bag through the inner wall 537.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (4)
1. The utility model provides a pipeline resistance to compression detects and uses plugging device, its characterized in that includes the operation box, the front rotation of operation box installs the chamber door, the bottom is installed and is fixed a position the rubber seat, the top of location the rubber seat is located the operation box, and it is protruding to be equipped with the rubber end cap that is fit with the mouth of pipe of pipeline, be equipped with pneumatic transmission mechanism on the interior roof of operation box, pneumatic transmission mechanism's top is located the operation box outside and be equipped with the vent, install flexible end cap on the bottom and drive flexible end cap vertical movement and shrink, flexible end cap has hollow inner chamber and corresponds with the rubber end cap, the operation box is inside vertical to be equipped with a pair of symmetrical limiting plates that are located the both sides of rubber end cap and can keep away from or be close to, two limiting plates are used for holding to the pipeline the rubber end cap is vertical form all the time to be located between rubber end cap and the flexible end cap, when in the operating state, rubber end cap and flexible outer circumference wall correspond closely to support on the inner circumference wall of both ends of pipeline;
The pneumatic transmission mechanism comprises a pressure regulating mechanism, an inflation mechanism, a pressing plate, an air vent pipe and a guide post, wherein the pressure regulating mechanism comprises a pressure regulating box, a transmission plate and a plurality of compression springs, the transmission plate is horizontally arranged in the pressure regulating box, the bottom of the transmission plate is vertically connected with a plurality of compression springs which are uniformly distributed, the bottom of each compression spring is fixedly connected to the inner bottom wall of the pressure regulating box, the air vent is formed in the side wall of the pressure regulating box above the transmission plate, the inflation mechanism comprises an inflation box and at least one inflation assembly, the top of the inflation box is fixedly connected to the bottom of the pressure regulating box, the inflation assembly is arranged in the inflation box and comprises a transmission rod, a pressing rod, an energy-gathering spring, a time-delay block, an anti-blocking mechanism and an air bag, the air bag is vertically arranged on the inner bottom wall of the inflation box, the transmission rod is horizontally arranged above the air bag, the pressing rod, the energy-gathering spring and the time-delay block are sequentially and vertically and fixedly connected between the transmission rod and the air bag from top to bottom, the anti-blocking mechanism is movably connected to the upper end of the time-delay block, the air bag is fixedly connected to the inflation plate, the inflation plate and the air pump is fixedly connected to the bottom of the inflation plate through the inflation plate and the guide post;
and a pair of transverse cylinders which are in corresponding transmission connection with the limiting plates are arranged on the inner wall of the operation box.
2. The plugging device for detecting the pressure resistance of a pipeline according to claim 1, wherein the axes of the pressure regulating box, the air charging box and the guide pillar are coincident, the number of the air charging assemblies is2, and the air charging assemblies are symmetrically arranged on two sides of the guide pillar.
3. The plugging device for pressure-resistant detection of a pipeline according to claim 1, wherein a pair of the limiting plates are provided with arc-shaped guide grooves corresponding to the outer wall of the pipeline on opposite surfaces of each other.
4. A method for plugging a pipe, characterized by being carried out in the plugging device for pressure resistance detection of a pipe according to any one of claims 1 to 3, comprising the steps of:
s1, vertically clamping a pipeline on the positioning rubber seat, wherein the top of the rubber plug extends into the bottom end opening of the pipeline;
s2, controlling a pair of limiting plates to be close to each other, and enabling opposite surfaces of the two limiting plates to be close to each other to be correspondingly attached to the outer wall of the pipeline so that the pipeline is always vertical;
And S3, continuously introducing high-pressure gas into the vent, firstly transmitting the flexible plug to completely enter the top end opening of the pipeline by the pneumatic transmission mechanism under the action of the high-pressure gas, vertically pressing the pipeline until the bottom end of the pipeline is abutted against the positioning rubber seat, completely extending the rubber plug into the bottom end opening of the pipeline to seal the bottom end of the pipeline, and finally stopping introducing the high-pressure gas after the flexible plug is expanded to seal the top end of the pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418465.XA CN115683821B (en) | 2022-11-14 | 2022-11-14 | A plugging device and method for pipeline pressure resistance detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418465.XA CN115683821B (en) | 2022-11-14 | 2022-11-14 | A plugging device and method for pipeline pressure resistance detection |
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| CN115683821A CN115683821A (en) | 2023-02-03 |
| CN115683821B true CN115683821B (en) | 2025-04-29 |
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| CN202211418465.XA Active CN115683821B (en) | 2022-11-14 | 2022-11-14 | A plugging device and method for pipeline pressure resistance detection |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115824505B (en) * | 2023-02-23 | 2023-07-25 | 浙江华朔科技股份有限公司 | Plugging mechanism for new energy automobile part sealing performance detection tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN219121868U (en) * | 2022-11-14 | 2023-06-02 | 江南工业集团有限公司 | Pipeline resistance to compression detects uses plugging device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1008360A3 (en) * | 1994-04-22 | 1996-04-02 | Polva Pipelife Bv | Device for sealing of a pipe. |
| CN210118582U (en) * | 2019-03-28 | 2020-02-28 | 中国海洋石油集团有限公司 | Pipeline plugging device |
| CN212564914U (en) * | 2020-05-26 | 2021-02-19 | 武汉岩联工程技术有限公司 | Pipeline detects gasbag plugging device |
| CN113300316B (en) * | 2021-04-21 | 2022-04-19 | 国网浙江桐乡市供电有限公司 | Anti-drop locking type cable well plugging head device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN219121868U (en) * | 2022-11-14 | 2023-06-02 | 江南工业集团有限公司 | Pipeline resistance to compression detects uses plugging device |
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