CN218098188U

CN218098188U - Pipeline air tightness detection device

Info

Publication number: CN218098188U
Application number: CN202222253737.7U
Authority: CN
Inventors: 陈国伟
Original assignee: Ningbo Yongxiang Stainless Steel Pipeline Co ltd
Current assignee: Ningbo Yongxiang Stainless Steel Pipeline Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-20
Anticipated expiration: 2032-08-25

Abstract

The application relates to a pipeline air tightness detection device, which belongs to the technical field of pipeline test equipment and comprises a water tank, a first fixing mechanism, a second fixing mechanism, an air inlet mechanism and a limiting mechanism, wherein the first fixing mechanism is arranged on one side inside the water tank and used for fixing the end part of a pipeline; the limiting mechanism comprises a fixing seat, a pressing plate and a first driving piece, wherein the fixing seat is accepted below the pipeline, the pressing plate is arranged above the fixing seat in a sliding mode and is used for pressing the pipeline, and the first driving piece drives the pressing plate to ascend and descend. This application can compress tightly the pipeline through stop gear to pipeline displacement and not hard up in the reducible testing process takes place.

Description

Pipeline air tightness detection device

Technical Field

The application relates to the technical field of pipeline test equipment, in particular to a pipeline air tightness detection device.

Background

The pipeline is a closed pipeline specially used for devices and protecting electric wires, cables and buses, is made of steel or other materials into a pipe, and is used for conveying or discharging oil, gas, natural gas, water, steam and the like in industry, transportation or construction.

After the pipeline is produced, the air tightness of the pipeline needs to be detected, and the pipeline can be subsequently assembled only by detecting whether the pipeline is completely closed. A pipeline airtightness detection device comprises a water tank, a hydraulic device, a fixed pipe end device, an elastic hand wheel, a baffle and an air inlet pipe, wherein the fixed pipe end device is arranged on each of two opposite sides inside the water tank, the elastic hand wheel is connected with the fixed pipe end device on one side and used for loosening and tightening the fixed pipe end device, the baffle is fixed inside the water tank, and the hydraulic device is connected to the baffle.

The detection process comprises the following steps: putting a proper amount of water into the water tank, loosening a tightening hand wheel on the fixed pipe end device, jacking the steel pipe to be detected into the fixed pipe end device, tightening the tightening hand wheel, opening a switch of an air inlet pipe, introducing air, detecting the steel pipe, and determining that air leakage exists if bubbles overflow or determining that the steel pipe is qualified if no bubbles overflow.

To the correlation technique among the above-mentioned, the inventor thinks that in the testing process, the pipeline both ends are fixed through fixed pipe end device, and when the pipeline is longer, the pipeline middle part easily receives the effect of buoyancy and takes place to rock to easily cause the not hard up at pipeline both ends, easily cause the influence to detecting.

SUMMERY OF THE UTILITY MODEL

In order to improve the fixed effect to the pipeline, reduce the pipeline and take place not hard up in the testing process, this application provides a pipeline gas tightness detection device.

The application provides a pipeline gas tightness detection device adopts following technical scheme:

a pipeline air tightness detection device comprises a water tank, a first fixing mechanism, a second fixing mechanism, an air inlet mechanism and a limiting mechanism, wherein the first fixing mechanism is arranged on one side inside the water tank and used for fixing the end part of a pipeline; the limiting mechanism comprises a fixing seat, a pressing plate and a first driving piece, wherein the fixing seat is accepted below the pipeline, the pressing plate is arranged above the fixing seat in a sliding mode and is used for pressing the pipeline, and the first driving piece drives the pressing plate to ascend and descend.

Through adopting above-mentioned technical scheme, carry out gas tightness to the pipeline and detect time measuring, place the pipeline on the fixing base in the water tank, the both ends of pipeline are fixed in the water tank through first fixed establishment and second fixed establishment, drive first driving piece, slide downwards through first driving piece drive clamp plate, make the clamp plate compress tightly on the pipeline, start air inlet mechanism, blow towards in the pipeline, whether appear the bubble in the observation water tank, thereby can detect the gas tightness of pipeline, this pipeline gas tightness inspection device carries on spacingly through stop gear to the pipeline, thereby can reduce the pipeline and take place the displacement or not hard up condition in the testing process, thereby can improve the accuracy that detects.

Preferably, a mounting support for mounting the first driving member is arranged on the side wall of the water tank.

Through adopting above-mentioned technical scheme, first driving piece is installed on erection support, and erection support provides mounting platform for first driving piece to can make first driving piece go up and down to the clamp plate steadily, can improve the stability that the clamp plate compressed tightly the pipeline in the testing process.

Preferably, one side of the fixed seat, which faces the pressure plate, is provided with a limiting groove for the pipeline to abut against.

Through adopting above-mentioned technical scheme, during the installation pipeline, place the pipeline in the spacing recess of water tank internal fixation seat for the week side of pipeline carries out the butt with the cell wall of spacing recess, makes spacing recess can carry on spacingly to the pipeline, thereby can further improve pipeline installation's stability, reduces the pipeline and takes place the displacement or not hard up the condition in the testing process.

Preferably, at least two limiting mechanisms are arranged in the water tank at intervals along the length direction of the water tank.

Through adopting above-mentioned technical scheme, when the pipe installation was in the water tank, two at least stop gear can carry on spacingly to the pipeline to when pipeline length is longer, accessible stop gear all carried on spacingly to the pipeline along length direction, further improved pipeline installation's stability.

Preferably, the pipeline air tightness detection device further comprises a lifting platform which is vertically arranged in the water tank in a sliding manner; the first fixing mechanism is installed on one side of the lifting platform, the second fixing mechanism is installed on the other side of the lifting platform, and the fixing seat is arranged on the lifting platform.

Through adopting above-mentioned technical scheme, during the installation pipeline, can rise the lift platform, fix the tip of pipeline through first fixed establishment and second fixed establishment, later, fall the pipeline to the horizontal plane below of water tank through lift platform to can conveniently install the pipeline.

Preferably, the relative both sides of lift platform all are provided with and are used for driving its second driving piece that goes up and down, the relative both sides of water tank all are provided with and are used for supplying the fixed bolster of second driving piece installation.

By adopting the technical scheme, the second driving piece drives the lifting platform to lift, so that the lifting platform drives the pipeline to lift; the fixed bolster that the relative both sides of water tank set up can provide mounting platform for the second driving piece to can improve the stability of second driving piece installation, can make the second driving piece drive lift platform more steadily and go up and down.

Preferably, the first fixing mechanism comprises a plurality of first clamping pieces which are arranged at intervals along the width direction of the water tank and used for clamping the end part of the pipeline.

Through adopting above-mentioned technical scheme, during the installation pipeline, the one end of pipeline is fixed through first fastener, and is provided with a plurality of first fasteners in the water tank to can conveniently fix and detect a plurality of pipelines, thereby can improve the efficiency that detects.

Preferably, the second fixing mechanism comprises a plurality of second clamping pieces which are arranged in one-to-one correspondence with the first clamping pieces and slide along the length direction of the water tank, and a third driving piece for driving the second clamping pieces to slide.

Through adopting above-mentioned technical scheme, during the installation pipeline, fix the other end of pipeline through the second fastener, start the third driving piece for third driving piece drive second fastener compresses tightly the pipeline, thereby can improve pipeline installation's stability, and can fix the detection to the pipeline of length difference.

Preferably, the second clamping piece is provided with an air blowing channel, and the air inlet mechanism comprises an air inlet pipe communicated with the air blowing channel of the second clamping piece.

Through adopting above-mentioned technical scheme, after the pipeline is fixed through first fastener and second fastener, air inlet mechanism blows towards the passageway of blowing of second fastener through the intake pipe to can conveniently detect the gas tightness of pipeline.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pipeline air tightness checking device comprises a water tank, a first fixing mechanism, a second fixing mechanism, an air inlet mechanism and a limiting mechanism, wherein the pipeline can be limited by the limiting mechanism, so that the displacement or looseness of the pipeline in the detection process can be reduced;

2. the fixing seat is provided with a limiting groove for abutting the pipeline, and the limiting groove can limit the pipeline, so that the stability of pipeline installation can be further improved, and the condition that the pipeline is displaced or loosened in the detection process is reduced;

3. this application still includes vertical lift platform that slides and set up in the water tank, during the installation pipeline, can rise lift platform, fixes the tip of pipeline through first fixed establishment and second fixed establishment to can conveniently install the pipeline.

Drawings

Fig. 1 is a schematic view of an overall structure of a pipe-mounted air tightness detecting apparatus according to an embodiment of the present application.

Fig. 2 is a schematic diagram of an overall structure of a pipe airtightness detection apparatus according to an embodiment of the present application.

Fig. 3 is a schematic partial structural diagram of a pipeline airtightness detection apparatus according to an embodiment of the present application.

Fig. 4 is a schematic partial structural diagram of a pipe airtightness detection apparatus according to an embodiment of the present application.

Fig. 5 is a partial cross-sectional view of a pipe airtightness detection apparatus according to an embodiment of the present application.

Description of reference numerals: 1. a water tank; 11. a second driving member; 12. fixing a bracket; 13. mounting a support; 131. a vertical plate; 132. a horizontal plate; 2. a lifting platform; 3. a first fixing mechanism; 31. a first clip member; 311. a first seal groove; 4. a second fixing mechanism; 41. a second clip member; 411. a second seal groove; 412. an air blowing channel; 413. an air inlet; 42. a third driving member; 5. an air intake mechanism; 51. an air inlet pipe; 6. a limiting mechanism; 61. a fixed seat; 611. a limiting groove; 62. pressing a plate; 63. a first driving member; 7. a pipeline.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a pipeline air tightness detection device. Referring to fig. 1 and 2, the pipeline airtightness detection apparatus includes a water tank 1, a lifting platform 2 vertically slidably disposed in the water tank 1, a first fixing mechanism 3 disposed on one side of the lifting platform 2 and used for fixing an end of a pipeline 7, a second fixing mechanism 4 disposed on the other side of the lifting platform 2 and used for fixing the other end of the pipeline 7, an air intake mechanism 5 disposed on the second fixing mechanism 4 and blowing air toward the interior of the pipeline 7, and a limiting mechanism 6 disposed inside the water tank 1 and used for compressing the pipeline 7.

Referring to fig. 2, the opposite sides of the water tank 1 are provided with second driving members 11 for driving the lifting platform 2 to lift. The opposite sides of the water tank 1 are provided with fixing brackets 12 for mounting the second driving member 11. In this embodiment, the fixing legs are set as fixing frames and fixedly installed on the outer side walls of two opposite sides of the water tank 1, the second driving member 11 is set as a hydraulic cylinder, the lifting platform 2 is set as a square plate, and the telescopic rod of the second driving member 11 is fixedly connected to the lifting platform 2, so that the lifting platform 2 can be driven to lift more stably by the second driving member 11. The fixing brackets 12 provided at opposite sides of the water tank 1 may provide a mounting platform for the second driving member 11, so that the stability of the mounting of the second driving member 11 may be improved.

Referring to fig. 3, the first fixing mechanism 3 includes a plurality of first snaps 31 that are uniformly spaced in the width direction of the water tank 1 and into which the ends of the pipes 7 are snapped. In this embodiment, the first clamping member 31 is a sealing end which is arranged on the lifting platform 2 and is used for sealing one end of the pipeline 7, and a first sealing groove 311 for clamping the edge of the pipeline 7 is formed in one side of the first clamping member 31 facing the second fixing mechanism 4, so that the sealing performance of the first clamping member 31 on the end of the pipeline 7 can be improved. The lifting platform 2 is provided with four first clamping pieces 31 at even intervals along the width direction thereof, so that four pipelines 7 can be fixed and sealed simultaneously, and the detection efficiency can be improved.

Referring to fig. 4, the second fixing mechanism 4 includes a plurality of second clips 41 disposed in one-to-one correspondence with the first clips 31 and slidably movable in a length direction of the water tank 1, and a third driving member 42 for driving the second clips 41 to slidably move. In this embodiment, the lifting platform 2 is provided with four second clamping pieces 41 corresponding to the first clamping pieces 31 one by one on the side away from the first clamping pieces 31, the second clamping pieces 41 are arranged to be sealing ends for sealing the other end of the pipeline 7, and the second sealing groove 411 for clamping the edge of the pipeline 7 is formed in one side of the second clamping pieces 41 facing the first fixing mechanism 3, so that the sealing performance of the second clamping pieces 41 on the end of the pipeline 7 can be improved. One side of each second clamping piece 41, which is far away from the first clamping piece 31, is connected with a third driving piece 42, the third driving piece 42 is provided with an air cylinder, and the telescopic rod of the third driving piece 42 is connected with one side of the second clamping piece 41, so that the second clamping piece 41 can be driven to slide along the length direction of the water tank 1 by the third driving piece 42. When the pipeline 7 is installed, the other end of the pipeline 7 is fixed through the second clamping piece 41, the third driving piece 42 is started, the third driving piece 42 drives the second clamping piece 41 to compress the pipeline 7, the installation stability of the pipeline 7 can be improved, the pipeline 7 with different lengths can be fixedly detected, and the application range of the pipeline air tightness detection device can be enlarged.

Referring to fig. 5, the second card member 41 has an air-blowing passage 412, and the air-intake mechanism 5 includes an air-intake pipe 51 for communicating with the air-blowing passage 412 of the second card member 41. In this embodiment, the air inlet 413 which is communicated with the air blowing channel 412 and used for sealing and connecting the air inlet pipe 51 is opened on the peripheral side of the second clamping piece 41, when the air inlet pipe 51 is installed, the peripheral side of the air inlet pipe 51 is provided with a thread matched with the air inlet 413, so that the air inlet pipe can be screwed in the air inlet 413 through the thread, and the connection mode is stable and is convenient to assemble and disassemble. After the pipe 7 is fixed by the first clamping piece 31 and the second clamping piece 41, the air inlet mechanism 5 blows air towards the air blowing channel 412 of the second clamping piece 41 through the air inlet pipe 51, so that the air tightness of the pipe 7 can be conveniently detected.

Referring to fig. 1 and 2, the water tank 1 is provided with three limiting mechanisms 6 at intervals along the length direction thereof. The limiting mechanism 6 includes a fixing base 61 received below the pipeline 7, a pressing plate 62 slidably disposed above the fixing base 61 and used for pressing the pipeline 7, and a first driving member 63 for driving the pressing plate 62 to move up and down. In this embodiment, the first driving member 63 is configured as an air cylinder, and the telescopic rod of the first driving member 63 is fixedly connected to the top side of the pressing plate 62. When pipeline 7 installs in water tank 1, three stop gear 6 carries on spacingly to pipeline 7 to when 7 length of pipeline are longer, accessible stop gear 6 all carries on spacingly to pipeline 7 along length direction, further improves the stability of pipeline 7 installation.

Referring to fig. 2, the fixing seat 61 is disposed on the lifting platform 2, and a limiting groove 611 for abutting against the pipe 7 is disposed on one side of the fixing seat 61 facing the pressing plate 62. In this embodiment, the fixing base 61 is a square plate installed on the lifting platform 2, and four limiting grooves 611 corresponding to the first clamping piece 31 and the second clamping piece 41 one to one are formed in the fixing base 61 along the length direction thereof. When installing pipeline 7, place pipeline 7 in water tank 1 internal fixation seat 61's spacing recess 611 for the week side of pipeline 7 and the cell wall of spacing recess 611 carry out the butt, make spacing recess 611 can carry out spacingly to pipeline 7, thereby can further improve the stability of pipeline 7 installation, reduce pipeline 7 and take place the displacement or not hard up the condition in the testing process.

Referring to fig. 2, a mounting seat 13 for mounting the first driving member 63 is provided on an inner sidewall of the water tank 1. In this embodiment, the mounting bracket 13 includes a vertical plate 131 for fitting the inner sidewall of the water tank 1 and a horizontal plate 132 for fixing the cylinder of the first driving member 63 and disposed above the fixing base 61. First driving piece 63 is installed on erection support 13, and erection support 13 provides the mounting platform for first driving piece 63 to can make first driving piece 63 go up and down to clamp plate 62 steadily, can improve the stability that clamp plate 62 compressed tightly to pipeline 7 in the testing process.

The implementation principle of the pipeline air tightness detection device in the embodiment of the application is as follows:

when the pipeline 7 is subjected to air tightness detection, the pipeline 7 is placed on the fixed seat 61 of the lifting platform 2, one end of the pipeline 7 is abutted in the first sealing groove 311 of the first clamping piece 31, the third driving piece 42 is started, the third driving piece 42 drives the second clamping piece 41 to slide along the length direction of the water tank 1, the second clamping piece 41 is abutted at the other end of the pipeline 7, the second driving piece 11 is started, the second driving piece 11 drives the lifting platform 2 to descend, the pipeline 7 is lowered to the lower part of the horizontal plane, the first driving piece 63 is started, the first driving piece 63 drives the pressing plate 62 to descend, the pressing plate 62 is tightly pressed above the pipeline 7, so that the pipeline 7 is installed and fixed, the air inlet mechanism 5 is started, air is blown towards the pipeline 7 through the air inlet pipe 51, whether bubbles appear in the water tank 1 is observed, and the air tightness of the pipeline 7 can be detected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The pipeline air tightness detection device is characterized by comprising a water tank (1), a first fixing mechanism (3) arranged on one side inside the water tank (1) and used for fixing the end part of a pipeline (7), a second fixing mechanism (4) arranged on the other side inside the water tank (1) and used for fixing the other end part of the pipeline (7), an air inlet mechanism (5) arranged on the second fixing mechanism (4) and used for blowing air towards the inside of the pipeline (7), and a limiting mechanism (6) arranged inside the water tank (1) and used for pressing the pipeline (7);

the limiting mechanism (6) comprises a fixing seat (61) which is received below the pipeline (7), a pressing plate (62) which is arranged above the fixing seat (61) in a sliding mode and used for pressing the pipeline (7) tightly, and a first driving piece (63) which drives the pressing plate (62) to lift.

2. The pipe airtightness detection apparatus according to claim 1, wherein a mounting seat (13) for mounting the first driving member (63) is provided on a side wall of the water tank (1).

3. The pipe airtightness detection apparatus according to claim 1, wherein a limiting groove (611) for abutting against the pipe (7) is formed in one side of the fixing seat (61) facing the pressure plate (62).

4. The pipe airtightness detection apparatus according to claim 1, wherein at least two limiting mechanisms (6) are provided in the water tank (1) at intervals along a length direction thereof.

5. The pipe airtightness detection apparatus according to claim 1, further comprising a lifting platform (2) disposed in the water tank (1) in a vertically sliding manner; the first fixing mechanism (3) is installed on one side of the lifting platform (2), the second fixing mechanism (4) is installed on the other side of the lifting platform (2), and the fixing seat (61) is arranged on the lifting platform (2).

6. The pipeline airtightness detection apparatus according to claim 5, wherein the lifting platform (2) is provided with second driving members (11) for driving the lifting platform to lift, and the water tank (1) is provided with fixing brackets (12) for mounting the second driving members (11) on two opposite sides.

7. The pipe airtightness detection apparatus according to claim 1, wherein the first fixing mechanism (3) includes a plurality of first catches (31) that are arranged at intervals in the width direction of the water tank (1) and that are for catching an end of the pipe (7).

8. The pipe airtightness detecting apparatus according to claim 7, wherein the second fixing mechanism (4) includes a plurality of second latching pieces (41) which are provided in one-to-one correspondence with the first latching pieces (31) and slide in a longitudinal direction of the water tank (1), and a third driving member (42) for driving the second latching pieces (41) to slide.

9. The pipe airtightness detecting apparatus according to claim 8, wherein the second chuck piece (41) has an air blowing passage (412), and the air inlet mechanism (5) includes an air inlet pipe (51) for communicating with the air blowing passage (412) of the second chuck piece (41).