CN214224799U

CN214224799U - Pressure pipeline pressure test acceptance device for engineering supervision

Info

Publication number: CN214224799U
Application number: CN202120271119.8U
Authority: CN
Inventors: 王建渠
Original assignee: Guangdong Haodi Engineering Project Consulting Co ltd
Current assignee: Guangdong Haodi Engineering Project Consulting Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-09-17
Anticipated expiration: 2031-01-30

Abstract

The application relates to a pressure pipeline pressure testing and acceptance device for engineering supervision, which comprises a testing component and an inflating component, wherein the testing component comprises a testing pipe, a plurality of torsional spring meters for measuring pressure values of a pressure pipeline are arranged at intervals along the circumferential direction of the testing pipe, each torsional spring meter comprises a meter head and a measuring rod, and the measuring rod penetrates through the side wall of the testing pipe; the closing plate is all installed at pipeline under pressure's both ends, aerifys subassembly and closing plate intercommunication. This application has easy operation, improves staff work efficiency's effect.

Description

Pressure pipeline pressure test acceptance device for engineering supervision

Technical Field

The application relates to the technical field of pipeline pressure test, in particular to a pressure pipeline pressure test acceptance device for engineering supervision.

Background

Pressure pipes are understood to be all pipes which are subjected to internal or external pressure, irrespective of the medium in the pipe. Pressure lines are parts of pipes that are used primarily to convey, distribute, mix, separate, discharge, meter, control, and stop fluid flow.

The length-diameter ratio of the pressure pipeline is generally larger, the pressure pipeline is easy to destabilize under the action of high pressure, and the stress condition is more complex than that of a pressure container, so that the pressure resistance of the pressure pipeline needs to be tested after the pressure pipeline is formed. At present, generally, pipeline pressure detection equipment is used for carrying out compression test on a pressure pipeline, the pipeline pressure detection equipment pressurizes the pressure pipeline, the pressure is detected in real time through a pressure sensor, and if the pressure value displayed on a display screen of the pressure detection equipment is larger than the designed pressure, the pressure pipeline is qualified.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the existing pipeline pressure test is complex in operation and low in efficiency, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

For the convenience carries out pressure test to pipeline under pressure, this application provides a pipeline under pressure test acceptance device for engineering supervision.

The application provides a pressure pipeline pressure test acceptance device for engineering supervision adopts following technical scheme:

a pressure pipeline pressure testing acceptance device for engineering supervision comprises a testing component and an inflating component, wherein the testing component comprises a testing pipe, a plurality of torsion spring meters for measuring pressure values of a pressure pipeline are arranged on the testing pipe at intervals along the circumferential direction of the testing pipe, each torsion spring meter comprises a meter head and a measuring rod, and the measuring rod penetrates through the side wall of the testing pipe; sealing plates are mounted at two ends of the pressure pipeline, and the inflation assembly is communicated with the sealing plates.

Through adopting above-mentioned technical scheme, when carrying out the compressive capacity test to pipeline under pressure, put into a measuring cylinder with pipeline under pressure, with the measuring staff butt of torsional spring table in pipeline under pressure's lateral wall, zero set is carried out to the torsional spring table. Install the closing plate at pipeline under pressure's both ends, utilize and aerify the subassembly and aerify the pressurization in to pipeline under pressure, the torsional spring table detects the deformation that pipeline under pressure after the pressurization took place to show on the gauge outfit, the staff will detect data record, thereby judge whether up to standard of pipeline under pressure's compressive capacity. The whole operation process is simple and efficient, and the working efficiency of workers is improved. And a plurality of torsional spring meters are distributed along the circumference interval of test tube, can carry out diversified detection to the pipeline under pressure to improve measuring result's accuracy.

Preferably, the inflation assembly comprises an inflator pump, the inflator pump is communicated with one of the sealing plates through an inflation tube, the other sealing plate is communicated with an exhaust tube, and the exhaust tube is provided with an air valve.

By adopting the technical scheme, when the pressure pipeline is pressurized, the two sealing plates are respectively arranged at the two ends of the pressure pipeline, and the inflator pump is started; after the pressure pipeline is tested, the air valve is opened, and then high-pressure gas in the pressure pipeline can be discharged, so that the sealing plate is convenient to disassemble.

Preferably, one end of the measuring rod, which is far away from the gauge outfit, is fixedly connected with a pressing block, and one side of the pressing block, which is far away from the measuring rod, is attached to the peripheral surface of the pressure pipeline.

Through adopting above-mentioned technical scheme, through the one end fixedly connected with briquetting of keeping away from the gauge outfit at the measuring staff, and the briquetting is kept away from one side of measuring staff and is laminated with pipeline under pressure's outer peripheral face, and the briquetting has increased the area of contact of measuring staff and pipeline under pressure to the detection area of torsional spring table has been increased, makes test data more accurate.

Preferably, a connecting assembly is arranged between every two adjacent pressing blocks.

Through adopting above-mentioned technical scheme, through all being provided with coupling assembling between two adjacent briquettings, coupling assembling connects a plurality of briquettings as a whole for the measuring staff removes the in-process and remains stable, thereby improves the accuracy of testing result.

Preferably, coupling assembling includes two connecting rods, two the one end of connecting rod is articulated, the connecting rod with the briquetting is articulated.

Through adopting above-mentioned technical scheme, it has two connecting rods to articulate through two adjacent briquettings, and two connecting rods articulate and set up, and the connecting rod does not influence the removal of single briquetting when connecting a plurality of briquettings as a whole to compressive test to pipeline under pressure produces negative effects.

Preferably, the closing plate shutoff is in pipeline under pressure's open end, the protruding fixture block that is equipped with of lateral wall of closing plate, the inside wall of test tube supplies fixture block male draw-in groove, the draw-in groove with the terminal surface intercommunication of test tube, the inside wall of test tube open have the shape with fixture block complex annular, the draw-in groove with the annular intercommunication, the fixture block with the annular rotates and pegs graft.

Through adopting above-mentioned technical scheme, when the installation closing plate, insert the fixture block from the open end of draw-in groove, when the fixture block removed to inserting in the annular, rotated the closing plate for the fixture block is along the circumferential direction of annular, thereby makes the draw-in groove joint in the test tube, whole process easy operation, high efficiency make things convenient for the dismouting of closing plate.

Preferably, one side of the sealing plate, which is close to the pressure pipeline, is convexly provided with a sealing ring, and the outer side wall of the sealing ring is tightly abutted to the inner side wall of the pressure pipeline.

By adopting the technical scheme, the sealing ring is convexly arranged on one side, close to the pressure pipeline, of the sealing plate, the outer side wall of the sealing ring is abutted against the inner side wall of the pressure pipeline, and the sealing ring has a positioning effect on the sealing plate, so that the sealing plate is convenient to mount; meanwhile, the sealing performance of the pressure pipeline is enhanced.

Preferably, the periphery of the sealing ring is sleeved with an elastic sealing gasket.

Through adopting above-mentioned technical scheme, through cup jointed the elastic sealing pad in the periphery of sealing ring, have elasticity because of the elastic sealing pad to fill the gap between closing plate and the pipeline under pressure, further improved pipeline under pressure's leakproofness.

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

1. when carrying out the compressive capacity test to pipeline under pressure, put into a measuring cylinder with pipeline under pressure in, the installation closing plate utilizes and aerifys the pressurization in the subassembly is to pipeline under pressure, and the torsional spring table detects the deformation that pipeline under pressure after the pressurization took place, and the record detects data to judge whether up to standard of pipeline under pressure's compressive capacity. The whole operation process is simple and efficient, and the working efficiency of workers is improved;

2. the pressing block is fixedly connected to one end, far away from the gauge head, of the measuring rod, and the contact area of the measuring rod and the pressure pipeline is increased through the pressing block, so that the detection area of the torsion spring gauge is increased, and the accuracy of a test result is improved;

3. when the mounting sealing plate, insert the fixture block from the open end of draw-in groove, when the fixture block removed to inserting the annular in, rotate the sealing plate for the fixture block is along the circumferential direction of annular, thereby makes the draw-in groove joint in the test tube, whole process easy operation makes things convenient for the dismouting of sealing plate.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of a test tube according to the present application;

fig. 3 is a schematic view of the sealing plate and the test tube in this application.

Description of reference numerals: 1. a test tube; 2. a pressure line; 3. a torsion spring watch; 31. a gauge head; 32. a measuring rod; 4. briquetting; 5. a connecting rod; 6. a sealing plate; 7. an inflator pump; 8. an inflation tube; 9. an exhaust pipe; 10. an air valve; 11. a clamping block; 12. a card slot; 13. a ring groove; 14. a seal ring; 15. an elastic sealing gasket; 16. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses pressure pipeline pressure test acceptance device for engineering supervision. Referring to fig. 1 and 2, a pipeline under pressure test acceptance device for engineering supervision includes test assembly and aerifys the subassembly, and test assembly includes test tube 1, and test tube 1 sets up a plurality of torsional spring tables 3 that are used for testing 2 compressive capacity of pipeline under pressure along the even interval of circumference of self. Pipeline under pressure 2 coaxial grafting is in testing pipe 1, and there is the interval between pipeline under pressure 2's the lateral wall and the inside wall of testing pipe 1. Torsional spring table 3 includes gauge outfit 31 and measuring staff 32, and the one end that measuring staff 32 kept away from gauge outfit 31 pierces through the lateral wall of test tube 1, and measuring staff 32 and test tube 1 slip grafting, and the axis of measuring staff 32 is perpendicular with the axis of test tube 1.

Referring to fig. 2, one end of the measuring rod 32, which is far away from the gauge head 31, is fixedly connected with a pressing block 4, and one side of the pressing block 4, which is far away from the measuring rod 32, is a cambered surface and is tightly attached to the outer circumferential surface of the pressure pipe 2. The pressing block 4 increases the contact area of the measuring rod 32 and the pressure pipeline 2, so that the accuracy of the measuring result is improved.

All be provided with coupling assembling between two adjacent briquettings 4, coupling assembling includes two connecting rods 5, and the one end of two connecting rods 5 is articulated, and the one end of two connecting rods 5 keeping away from each other is articulated with two adjacent briquettings 4 respectively. By providing the connecting rod 5, the measuring rod 32 is made more stable during movement.

Referring to fig. 2, sealing plates 6 are installed at both ends of the pressure pipe 2, and the inflation assembly is communicated with the sealing plates 6. The inflation assembly comprises an inflation pump 7, an air outlet end of the inflation pump 7 is communicated with an inflation tube 8, and one end, far away from the inflation tube 8, of the inflation tube 8 is communicated with one sealing plate 6. The other sealing plate 6 is communicated with an exhaust pipe 9, and an air valve 10 is arranged on the exhaust pipe 9. When the pressure pipeline 2 is inflated and pressurized, the air valve 10 is closed, and the inflator 7 is started.

Referring to fig. 3, two sealing plates 6 are respectively shielded at two ends of the pressure pipeline 2, the cross section of each sealing plate 6 is circular, the diameter of each sealing plate 6 is larger than the inner diameter of the pressure pipeline 2, and the outer peripheral surface of each sealing plate 6 is in sliding butt joint with the inner side wall of the test tube 1. Two fixture blocks 11 are convexly arranged on the peripheral surface of the sealing plate 6, the two fixture blocks 11 are symmetrically distributed on the sealing plate 6, and a pair of side walls opposite to the fixture blocks 11 is flush with the surface of the sealing plate 6. The end face of the test tube 1 is provided with a clamping groove 12 for inserting the clamping block 11, the clamping groove 12 extends along the length direction of the test tube 1, and the clamping groove 12 penetrates through the inner side wall of the test tube 1. The inner side wall of the test tube 1 is also provided with a ring groove 13 in a concave shape matched with the clamping block 11, the clamping groove 12 is communicated with the ring groove 13, and the clamping block 11 is rotatably inserted into the ring groove 13. The distance between the bottoms of the two annular grooves 13 is equal to the length of the pressure pipe 2. When installing sealing plate 6, insert fixture block 11 in draw-in groove 12, in fixture block 11 removed to annular 13, rotate sealing plate 6 to make sealing plate 6 joint in test tube 1.

Referring to fig. 3, a seal ring 14 is welded and fixed to one end of the seal plate 6 close to the pressure pipe 2, and the seal ring 14 is disposed coaxially with the seal plate 6. The sealing ring 14 is inserted with the pressure pipeline 2 in a sliding mode, and the outer side wall of the sealing ring 14 is tightly abutted to the inner side wall of the pressure pipeline 2. The peripheral surface of sealing ring 14 is slided to cup joint elastic sealing pad 15, and elastic sealing pad 15 joint is between closing plate 6 and pipeline under pressure 2, and elastic sealing pad 15 is the rubber pad. The elastic packing 15 fills up a gap between the seal plate 6 and the pressure pipe 2, thereby improving the sealing performance of the pressure pipe 2.

Referring to fig. 3, two handles 16 are fixedly connected to a side of the sealing plate 6 away from the sealing ring 14, and the two handles 16 are symmetrically distributed on the sealing plate 6, so that the sealing plate 6 can be rotated conveniently.

The embodiment of the application provides a pressure pipeline pressure test acceptance device for engineering supervision's implementation principle does: when carrying out the resistance to compression test to pipeline under pressure 2, when putting into test pipe 1 with pipeline under pressure 2 to peg graft pipeline under pressure 2 between a plurality of briquettings 4, make briquetting 4 and pipeline under pressure 2 butt, zero set to torsional spring table 3.

Installing the sealing plate 6, cup jointing the elastic sealing gasket 15 on the sealing ring 14, inserting the fixture block 11 into the clamping groove 12, pushing the sealing plate 6, after the fixture block 11 is inserted into the annular groove 13, rotating the sealing plate 6 through the handle 16, and completing the installation of the sealing plate 6.

The inflator pump 7 is started, the inflator pump 7 inflates and pressurizes the pressure pipeline 2, the torsion spring meter 3 detects the deformation of the pressurized pressure pipeline 2, the deformation is displayed on the meter head 31, and detection data are recorded, so that whether the compression resistance of the pressure pipeline 2 reaches the standard or not is judged. After the pressure pipeline 2 is tested, the inflator pump 7 is closed, the air valve 10 is opened, and high-pressure gas in the pressure pipeline 2 is discharged from the exhaust pipe 9, so that the sealing plate 6 is convenient to detach. The whole working process is simple and efficient to operate, and the working efficiency of workers is improved.

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 utility model provides a pressure pipeline pressure test acceptance device for engineering supervision which characterized in that: the device comprises a testing component and an inflating component, wherein the testing component comprises a testing pipe (1), a plurality of torsion spring meters (3) used for measuring the pressure value of the pressure pipeline (2) are arranged on the testing pipe (1) at intervals along the circumferential direction of the testing pipe (1), each torsion spring meter (3) comprises a meter head (31) and a measuring rod (32), and each measuring rod (32) penetrates through the side wall of the testing pipe (1); sealing plates (6) are installed at two ends of the pressure pipeline (2), and the inflation assembly is communicated with the sealing plates (6).

2. The pressure pipeline pressure testing and acceptance device for engineering supervision according to claim 1, characterized in that: the inflation assembly comprises an inflation pump (7), the inflation pump (7) is communicated with one sealing plate (6) through an inflation tube (8), the other sealing plate (6) is communicated with an exhaust tube (9), and an air valve (10) is installed on the exhaust tube (9).

3. The pressure pipeline pressure testing and acceptance device for engineering supervision according to claim 1, characterized in that: one end of the measuring rod (32) far away from the gauge outfit (31) is fixedly connected with a pressing block (4), and one side of the pressing block (4) far away from the measuring rod (32) is attached to the peripheral surface of the pressure pipeline (2).

4. The pressure pipeline pressure testing and acceptance device for engineering supervision according to claim 3, wherein: and a connecting assembly is arranged between every two adjacent pressing blocks (4).

5. The pressure pipeline pressure testing and acceptance device for engineering supervision according to claim 4, wherein: coupling assembling includes two connecting rods (5), two the one end of connecting rod (5) is articulated, connecting rod (5) with briquetting (4) are articulated.

6. The pressure pipeline pressure testing and acceptance device for engineering supervision according to claim 1, characterized in that: the shutoff of closing plate (6) is in the open end of pipeline under pressure (2), the protruding fixture block (11) that is equipped with of lateral wall of closing plate (6), the inside wall confession of test pipe (1) fixture block (11) male draw-in groove (12), draw-in groove (12) with the terminal surface intercommunication of test pipe (1), the inside wall of test pipe (1) open have the shape with fixture block (11) complex annular (13), draw-in groove (12) with annular (13) intercommunication, fixture block (11) with annular (13) are rotated and are pegged graft.

7. The pressure pipeline pressure testing and acceptance device for engineering supervision according to claim 6, wherein: and a sealing ring (14) is convexly arranged on one side, close to the pressure pipeline (2), of the sealing plate (6), and the outer side wall of the sealing ring (14) is tightly abutted to the inner side wall of the pressure pipeline (2).

8. The pressure pipeline pressure testing and acceptance device for engineering supervision according to claim 7, wherein: the periphery of the sealing ring (14) is sleeved with an elastic sealing gasket (15).