CN213516605U

CN213516605U - Pressure pipeline pressure test acceptance device

Info

Publication number: CN213516605U
Application number: CN202022886659.5U
Authority: CN
Inventors: 黄太学
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-06-22
Anticipated expiration: 2030-12-06

Abstract

The utility model discloses a pressure pipeline pressure test acceptance device mainly relates to pressure pipeline test field. The pipeline comprises a pipeline, the pipeline is equipped with outward and detects the ring, it inlays along circumference on the detection ring and is equipped with a plurality of set closures, it is equipped with the movable rod to slide in the set closure, the movable rod bottom be equipped with pipeline surface contact's butt board, the spring is located the limiting plate and keeps away from one side of pipeline, the movable rod top is equipped with the roof, the outer peripheral surface that detects the ring is equipped with a plurality of mounting boxes that correspond with the set closure, the roof is located the mounting box and can slides along the direction of height of mounting box, the one end that detects the ring is kept away from to the mounting box is equipped with the torsional spring table, be equipped with the gas charging. The beneficial effects of the utility model reside in that: the pipeline quality testing device is simple in structure, small in size, easy to carry, simple in operation mode, capable of rapidly and visually detecting the quality of a pipeline, and high in testing efficiency.

Description

Pressure pipeline pressure test acceptance device

Technical Field

The utility model relates to a pipeline under pressure test field specifically is a pipeline under pressure tests and accepts device.

Background

The pressure pipeline is a tubular device for conveying gas or liquid by using a certain pressure, and the range of the pressure pipeline is defined as a pipeline with the highest working pressure of more than or equal to 0.1MPa (gauge pressure), such as gas, liquefied gas, vapor medium or flammable, explosive, toxic and corrosive liquid medium, the highest working temperature of which is higher than or equal to the standard boiling point, and the nominal diameter of which is more than 50 mm. The supervision mechanism needs to carry out strength test on the pipeline in the process of engineering acceptance inspection so as to ensure the quality and the operation safety of the pipeline.

Among the prior art to pipeline under pressure detection test process, the staff generally need utilize pipeline pressure detection test equipment to pressurize the pipeline to detect real-time pressure size through pressure sensor, but the equipment that is used for pipeline pressure detection test at present is complicated in structure usually, operates inconveniently, and is inefficient, not convenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline under pressure test acceptance device, its simple structure, small in size easily carries, and the operation is simple, can be fast audio-visual the quality of detection pipeline good or bad, and efficiency of software testing is high.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

a pressure pipeline pressure test acceptance device comprises a pipeline, wherein a detection ring is arranged outside the pipeline, a plurality of fixed shells are embedded on the detection ring along the circumferential direction, movable rods are arranged in the fixed shells in a sliding manner, the top ends of the movable rods penetrate through the tops of the fixed shells, the bottom ends of the movable rods penetrate through the bottoms of the fixed shells, abutting plates in contact with the outer surfaces of the pipeline are arranged at the bottom ends of the movable rods, limiting plates in sliding connection with the fixed shells are arranged at the parts, located in the fixed shells, of the movable rods, sleeved with springs, the springs are arranged at one sides, far away from the pipeline, of the limiting plates, top plates are arranged at the top ends of the movable rods, a plurality of mounting boxes corresponding to the fixed shells are arranged on the outer circumferential surface of the detection ring, the top plates are located in the mounting boxes and can slide along the height direction of the mounting boxes, and torsional spring meters are, the gauge outfit of torsional spring table is located the mounting box and with roof surface crimping, be equipped with the subassembly of aerifing in the pipeline.

Further, the butt joint board is the arc, the concave surface and the laminating of pipeline outer wall in the arc of butt joint board.

Furthermore, the inflation assembly comprises two baffle plates in sliding fit with the inner cavity of the pipeline, an air bag is arranged between the two baffle plates, and one of the baffle plates is provided with an inflation tube and an exhaust tube which penetrate through the baffle plates and are communicated with the air bag.

Furthermore, the two baffles are connected through a connecting rod.

Furthermore, the cross section of the air bag is annular, and the connecting rod penetrates through a middle hole of the annular air bag.

Furthermore, the baffle is far away from one side of gasbag and the circular array of position that is close to the outward flange has a plurality of flexure strips, the one end that the flexure strip is far away from the baffle inclines to the direction of keeping away from the pipeline center pin.

Furthermore, one side of the baffle plate, which is close to the elastic sheet, is provided with a grabbing block, and the outer surface of the grabbing block is provided with anti-skid grains.

Contrast prior art, the beneficial effects of the utility model reside in that:

the detection ring is sleeved outside the pipeline, the bottom surface of the abutting plate is in contact abutting with the outer wall of the pipeline, under the action of the spring, the bottom surface of the abutting plate is firmly attached to the outer wall of the pipeline, a plurality of torsion spring meters are zeroed, then the inflation assembly is inflated and expanded in the pipeline, the air pressure is utilized to apply outward thrust to the pipe wall from the inside of the pipeline, so that the condition that the pipeline is pressed is simulated, then the abutting plate can be driven to slide on the outer wall of the pipeline through the movement of the detection ring along the length of the pipeline, the deformation part of the compressed pipeline can jack the abutting plate in the direction far away from the pipeline, the meter heads of the torsion spring meters are jacked up through the movable rods, the numerical values of the torsion spring meters are changed, whether the pressure test of the pipeline is qualified or not is judged through the changed numerical values, the device is simple in structure, easy to carry and convenient to operate, the torsion spring meters are arranged in a circular array, and the deformation quantity in the, the pipeline detection device has the advantages that simultaneous detection of multiple positions of the pipeline in the circumferential direction is achieved, the position with problems can be accurately found, and the testing efficiency is improved.

Drawings

Fig. 1 is a front view structural section of the present invention.

Fig. 2 is a side view of the structure section of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

Reference numerals shown in the drawings:

1. a pipeline; 2. a detection ring; 3. a stationary case; 4. a movable rod; 5. a butt joint plate; 6. a limiting plate; 7. a spring; 8. a top plate; 9. mounting a box; 10. a torsion spring watch; 11. a baffle plate; 12. an air bag; 13. an inflation tube; 14. an exhaust pipe; 15. a connecting rod; 16. an elastic sheet; 17. and (5) grabbing the blocks.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The utility model relates to a pressure pipeline pressure test acceptance device, the main structure comprises a pipeline 1, a detection ring 2 is arranged outside the pipeline 1, a plurality of fixed shells 3 are embedded on the detection ring 2 along the circumferential direction, the fixed shells 3 are arranged on the detection ring 2 in a circular array, the fixed shells 3 are hollow, a movable rod 4 is arranged in the fixed shells 3 in a sliding way, the top end of the movable rod 4 penetrates through the top of the fixed shells 3, the bottom end of the movable rod 4 penetrates through the bottom of the fixed shells 3, the bottom end of the movable rod 4 is provided with a butt plate 5 which is in contact with the outer surface of the pipeline 1, the part of the movable rod 4 positioned in the fixed shells 3 is provided with a limiting plate 6 which is in sliding connection with the fixed shells 3, the cross section of the limiting plate 6 is a polygon, the cross section of the inner wall of the fixed shells 3 is a polygon which is the same as the limiting plate 6, so that the limiting plate 6 can only slide and can not rotate, the spring 7 is positioned on one side of the limiting plate 6 far away from the pipeline 1, namely one end of the spring 7 is abutted against one side of the limiting plate 6 far away from the pipeline 1, the other end of the spring 7 is abutted against one side of the fixed shell 3 far away from the pipeline 1, under the elastic action of the spring 7, the limiting plate 6 is pushed to enable the bottom surface of the abutting plate 5 to be always firmly attached to the outer wall of the pipeline 1, the top end of the movable rod 4 is provided with a top plate 8, the outer circumferential surface of the detection ring 2 is provided with a plurality of square mounting boxes 9 corresponding to the fixed shell 3, the top plate 8 is positioned in the mounting boxes 9 and can slide along the height direction of the mounting boxes 9, one end of the mounting boxes 9 far away from the detection ring 2 is provided with a torsional spring meter 10, the meter head of the torsional spring meter 10 is positioned in the mounting,

the detection ring 2 is sleeved outside the pipeline 1, the bottom surface of the abutting plate 5 is in contact abutting joint with the outer wall of the pipeline 1, under the action of the spring 7, the bottom surface of the abutting plate 5 is firmly attached to the outer wall of the pipeline 1, the torsion spring meters 10 are zeroed, then the inflation assembly is inflated and expanded in the pipeline 1, the pipe wall is pushed outwards from the inside of the pipeline 1 by utilizing air pressure, the condition that the pipeline is pressed is simulated, then the abutting plate 5 is driven to slide on the outer wall of the pipeline by moving the detection ring 2 along the length of the pipeline, the deformation part of the pipeline 1 after being pressed can jack the abutting plate 5 in the direction far away from the pipeline 1, the meter heads of the torsion spring meters 10 are jacked up by the movable rods 4, the numerical value of the torsion spring meters 10 is changed, whether the pressure test of the pipeline 1 is qualified or not is judged according to the changed numerical value, and the torsion spring meters 10 are arranged on the detection ring 2 in a circular, the deformation amount of the outer wall of the pipeline 1 in the circumferential direction is detected through the corresponding abutting plates 5, so that the pipeline 1 can be detected at a plurality of positions in the circumferential direction, and the position with a problem can be accurately found out.

Preferably, butt joint board 5 is the arc, butt joint board 5's the interior concave surface of arc and the laminating of 1 outer wall of pipeline make 5 bottom surfaces of butt joint board and the better laminating of 1 outer wall of pipeline, increase the area of

butt joint board

5 and 1 binding face of pipeline simultaneously to increased detection range, further improved detection efficiency.

Preferably, the inflation assembly comprises two baffles 11 in sliding fit with the inner cavity of the pipeline 1, the baffles 11 are in transition fit with the inner cavity of the pipeline 1, so that the baffles 11 can be firmly placed in the pipeline 1 and can also be taken out, an air bag 12 is arranged between the two baffles 11, one baffle 11 is provided with an inflation tube 13 and an exhaust tube 14 which penetrate through the baffles 11 and are communicated with the air bag 12, the inflation tube 13 is provided with an air nozzle connected with an air pump, the exhaust tube 14 is provided with an exhaust valve, the baffles 11 are placed in the pipeline 1 at positions close to two ends, the expansion length of the air bag 12 is limited by the two baffles 11, the air bag 12 is inflated by the inflation tube 13, the pressure acting outside the pipeline 1 is applied to the inner wall of the pipeline 1 after the air bag 12 is inflated and expanded, the air bag 12 does not have power and only plays a role in gathering up air and limiting the leakage of the air, so that the pressure applied to the inner wall of the pipeline 1, the defect of gas leakage is overcome, the scene of the pressure on the inner wall of the pipeline 1 can be simulated through the inflation and expansion of the air bag 12, and the air pump can be manually inflated by an inflatable ball, so that the volume of the test equipment is greatly reduced, the test equipment is easy to carry, is not limited by a field, is more flexible to use and convenient to operate, and improves the test efficiency.

Preferably, two connect through connecting rod 15 between the baffle 11, connecting rod 15 is located gasbag 12, and connecting rod 15 runs through the junction of gasbag 12 and passes through the sealing washer sealed, guarantees gasbag 12 and the complete contact at 1 inner wall no dead angle of pipeline, through the setting of connecting rod 15, is convenient for once only put into two baffles 11 from the one end of pipeline 1, improves test equipment's installation rate to improve efficiency of software testing.

Preferably, the cross section of the airbag 12 is annular, the connecting rod 15 penetrates through a middle hole of the annular airbag 12, so that the installation setting of the connecting rod 15 is independent of the airbag 12, when the connecting rod 15 is inside the airbag 12, the connecting rod 15 penetrates through the airbag 12 to leak air, the air tightness of the airbag 12 is further ensured, the distance between the baffles 11 is limited, and the baffles 11 on two sides are prevented from being inflated and pushed by the airbag 12 to influence the accuracy of the test.

Preferably, the baffle 11 is away from the side of the airbag 12 and is provided with a plurality of elastic sheets 16 in a circular array at a position close to the outer edge, one end of the elastic sheet 16 away from the baffle 11 inclines towards a direction away from the central axis of the pipeline 1, the maximum distance between the inclined ends of the elastic sheets 16 is greater than the inner diameter of the pipeline 1, after the baffle 11 is inserted into the pipeline 1, the inner wall of the pipeline 1 extrudes the inclined ends of the elastic sheets 16 towards the central axis direction, so that the elastic sheets 16 deform, the inclined ends of the elastic sheets 16 are firmly abutted against the inner wall of the pipeline 1 by the rebound force after the elastic sheets 16 deform, the baffle 11 is firmly fixed in the pipeline 1 by means of the elastic force and the friction force, the baffle 11 is prevented from falling off, but can be pushed by human force.

Preferably, one side that baffle 11 is close to elastic sheet 16 is equipped with and snatchs piece 17, it is equipped with anti-skidding line to snatch the piece 17 surface, packs into and takes out baffle 11 and gasbag 12 from pipeline 1 through snatching piece 17, convenient operation, and anti-skidding line has increased frictional force, prevents to skid.

The device is simple in structure, easy to carry and convenient to operate, can detect the pipeline in multiple positions in the circumferential direction, can accurately find out the position with problems, and improves the testing efficiency.

Claims

1. The utility model provides a pressure pipeline pressure test acceptance device, includes pipeline (1), its characterized in that: the pipeline (1) is externally provided with a detection ring (2), the detection ring (2) is embedded with a plurality of fixed shells (3) along the circumferential direction, a movable rod (4) is arranged in the fixed shells (3) in a sliding manner, the top end of the movable rod (4) penetrates through the top of the fixed shells (3), the bottom end of the movable rod (4) penetrates through the bottom of the fixed shells (3), the bottom end of the movable rod (4) is provided with a butt joint plate (5) which is in contact with the outer surface of the pipeline (1), the part of the movable rod (4) located in the fixed shells (3) is provided with a limiting plate (6) which is in sliding connection with the fixed shells (3), the part of the movable rod (4) located in the fixed shells (3) is sleeved with a spring (7), the spring (7) is located on one side of the limiting plate (6) far away from the pipeline (1), the top end of the movable rod (4) is provided with a top plate (8), the outer circumferential surface of the detection ring (, roof (8) are located mounting box (9) and can slide along the direction of height of mounting box (9), the one end that detection ring (2) were kept away from in mounting box (9) is equipped with torsional spring table (10), the gauge outfit of torsional spring table (10) be located mounting box (9) and with roof (8) surface crimping, be equipped with the gas charging component in pipeline (1).

2. The pressure pipeline pressure test acceptance device according to claim 1, characterized in that: the butt joint plate (5) is an arc-shaped plate, and the arc-shaped inner concave surface of the butt joint plate (5) is attached to the outer wall of the pipeline (1).

3. The pressure pipeline pressure test acceptance device according to claim 1, characterized in that: the inflation assembly comprises two baffles (11) which are in sliding fit with the inner cavity of the pipeline (1), an air bag (12) is arranged between the baffles (11), and one of the baffles (11) is provided with an inflation tube (13) and an exhaust tube (14) which penetrate through the baffles (11) and are communicated with the air bag (12).

4. The pressure pipeline pressure test acceptance device according to claim 3, wherein: the two baffles (11) are connected through a connecting rod (15).

5. The pressure pipeline pressure test acceptance device according to claim 4, wherein: the cross section of the air bag (12) is annular, and the connecting rod (15) penetrates through a middle hole of the annular air bag (12).

6. The pressure pipeline pressure test acceptance device according to claim 3, wherein: the baffle (11) is far away from one side of the air bag (12) and is provided with a plurality of elastic pieces (16) in a circular array at a position close to the outer edge, and one end, far away from the baffle (11), of each elastic piece (16) inclines towards a direction far away from the central axis of the pipeline (1).

7. The pressure pipeline pressure test acceptance device according to claim 6, wherein: one side of the baffle plate (11) close to the elastic sheet (16) is provided with a grabbing block (17), and the outer surface of the grabbing block (17) is provided with anti-skid lines.