CN219200765U

CN219200765U - Pressure pipeline detection device

Info

Publication number: CN219200765U
Application number: CN202320311666.3U
Authority: CN
Inventors: 李越; 邢谭芳
Original assignee: Zibo Special Equipment Inspection And Research Institute
Current assignee: Zibo Special Equipment Inspection And Research Institute
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-16
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a pressure pipeline detection device which comprises a workbench, a high-pressure air inlet pipe and a valve, wherein a pressure gauge is connected to the high-pressure air inlet pipe, a supporting and pressing device for supporting and pressing a pressure pipeline is arranged at the top of the workbench, a plurality of flange plugging covers are fixed at one end of a mounting flange of the pressure pipeline, the diameters of the flange plugging covers are different, a connecting hose is fixed at the top of the high-pressure air inlet pipe, a plurality of detachable connecting pipes are connected to the other end of the connecting hose, and a first connecting flange with different diameters is arranged at the right end of each connecting pipe. According to the utility model, by arranging the replaceable connecting pipe and the replaceable flange plug cover, the proper connecting pipe and the proper flange plug cover can be selected according to the diameters of the mounting flanges of the high-pressure pipelines, the detection of the high-pressure pipelines with various diameters is adapted, the connecting pipe and the high-pressure air inlet pipe are connected through the connecting hose, the position of the pressure pipeline is not required to be moved during connection, and the connection can be more conveniently completed in a labor-saving manner.

Description

Pressure pipeline detection device

Technical Field

The utility model relates to a pressure pipeline detection device, and belongs to the technical field of pipeline detection.

Background

In the detection of special equipment, the detection of the pressure pipeline is a daily work, and the pressure pipeline detection mainly detects whether the pipeline has leakage under the set pressure, so that whether the detected pressure pipeline is qualified in air tightness and pressure resistance is judged.

The existing pressure pipeline detection device is provided with a fixed high-pressure air inlet pipeline, and then a connecting flange for connecting mounting flanges at two ends of the pressure pipeline to be detected is arranged on the high-pressure air inlet pipeline, but the device is only suitable for detecting the pressure pipeline with one diameter, and the high-pressure air inlet pipeline is directly connected with the pressure pipeline, so that the connection is laborious.

Disclosure of Invention

The utility model provides a pressure pipeline detection device, which solves the problems that the prior device is only suitable for detecting pressure pipelines with one diameter, and a high-pressure air inlet pipe is directly connected with the pressure pipeline, so that the connection is relatively laborious.

The utility model relates to a pressure pipeline detection device, which comprises a workbench, wherein a high-pressure air inlet pipe is fixed on the left side of the workbench, a valve is arranged on the high-pressure air inlet pipe, a pressure gauge is connected on the high-pressure air inlet pipe, a supporting and pressing device for supporting and pressing a pressure pipeline is arranged at the top of the workbench, a flange plug cover is fixed at one end of a mounting flange of the pressure pipeline, a plurality of flange plug covers are arranged, the diameters of the flange plug covers are different, a connecting hose is fixed at the top of the high-pressure air inlet pipe, a detachable connecting pipe is connected at the other end of the connecting hose, a plurality of connecting pipes are arranged, and a connecting flange I with different diameters is arranged at the right end of each connecting pipe.

As one preferable mode, the supporting and compacting device comprises a pair of V-shaped supporting blocks fixed at the top of the workbench, a V-shaped pressing block is arranged between the pair of V-shaped supporting blocks, supporting plates are fixed at the front end and the rear end of each V-shaped pressing block, supporting holes are formed in the supporting plates, supporting rods are arranged in the supporting holes, the bottoms of the supporting rods are fixed with the workbench, a compacting sleeve is sleeved on the supporting rods above the supporting plates, and locking bolts are arranged on the compacting sleeve. The position of the V-shaped pressing block can be adjusted according to the diameter of the pipeline, so that the V-shaped pressing block presses the pressure pipeline.

As one preferable mode, the right end of the connecting hose is fixedly provided with a second connecting flange, the left end of the connecting hose is fixedly provided with a third connecting flange matched with the second connecting flange, openings are uniformly formed in the peripheries of the second connecting flange and the third connecting flange, a rotating shaft is rotatably installed in the opening of the second connecting flange, a connecting bolt capable of rotating into and out of the third connecting flange through the connecting bolt is fixedly arranged on the rotating shaft, a connecting nut is arranged on the connecting bolt, a sealing groove is formed in the second connecting flange, and a sealing ring is arranged in the sealing groove. The connecting pipe can be replaced conveniently and rapidly.

As a preference, a connecting flange IV is fixed at the top of the high-pressure air inlet pipe, a connecting flange V matched with the connecting flange IV is fixed at the left end of the connecting hose, and sealing gaskets are arranged between the connecting flange IV and the connecting flange V, between the mounting flange and the connecting flange I and between the mounting flange and the flange plug cover. The sealing effect is better.

As a preferable mode, the walking wheel is arranged at the bottom of the workbench, the pushing hand is fixed at the top of the right end of the workbench, the fixing rod is fixed at the left end of the workbench, and the fixing rod is fixed with the high-pressure air inlet pipe. The workbench is convenient to move.

The utility model has the following beneficial effects:

through setting up connecting pipe and the flange plug lid that can change, can select suitable connecting pipe and flange plug lid according to the diameter of high-pressure pipeline's mounting flange, adapt to the detection of multiple diameter high-pressure pipeline to connect through coupling hose between connecting pipe and the high-pressure air inlet pipe, need not remove pressure pipeline's position during the connection, can make things convenient for laborsaving completion connection more.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a V-shaped briquette;

FIG. 3 is a schematic view of the structure of a V-shaped support block;

FIG. 4 is a schematic structural view of a second connecting flange;

FIG. 5 is an enlarged schematic view of FIG. 1 at A;

in the figure: 1. the device comprises a workbench, 2, a high-pressure air inlet pipe, 3, a valve, 4, a pressure gauge, 5, a fixed rod, 6, a fifth connecting flange, 7, a fourth connecting flange, 8, an opening, 9, a connecting hose, 10, a second connecting flange, 11, a connecting bolt, 12, a connecting pipe, 13, a first connecting flange, 14, a pressure pipeline, 15, a V-shaped pressing block, 16, a supporting rod, 17, a flange plugging cover, 18, a pushing handle, 19, a pressing sleeve, 20, a supporting plate, 21, a V-shaped supporting block, 22, a sealing ring, 23 and a rotating shaft.

Detailed Description

The utility model is further illustrated below with reference to examples.

In the embodiment 1, as shown in fig. 1 to 5, the utility model is a pressure pipeline detection device, which comprises a workbench 1, wherein a high-pressure air inlet pipe 2 is fixed on the left side of the workbench 1, the high-pressure air inlet pipe 2 is connected with a high-pressure air pump through a pipeline, a valve 3 is arranged on the high-pressure air inlet pipe 2, a pressure gauge 4 is connected on the high-pressure air inlet pipe 2, a supporting and pressing device for supporting and pressing a pressure pipeline 14 is arranged at the top of the workbench 1, a flange plug cover 17 is fixed at one end of a mounting flange of the pressure pipeline 14, a plurality of flange plug covers 17 are arranged, the diameter of each flange plug cover 17 is different, a connecting hose 9 is fixed at the top of the high-pressure air inlet pipe 2, a plurality of detachable connecting pipes 12 are connected at the other end of the connecting hose 9, and a connecting flange 13 with different diameters is arranged at the right end of each connecting pipe 12. The diameters of the first connecting flanges of the plurality of connecting pipes are different.

When in operation, the device comprises: according to the diameter of the mounting flange of the pressure pipeline 14 to be tested, the connecting pipe 12 and the flange plug cover 17 are replaced, then the pressure pipeline 14 is placed in a supporting and pressing device to be supported and pressed, then one end of the pressure pipeline 14 is fixedly sealed by the flange plug cover 17, then the other end of the pressure pipeline 14 is fixedly sealed by the connecting flange I13, then the valve 3 is opened to enter the pressure pipeline 14, the pressure gauge 4 is observed, when the numerical value of the pressure gauge 4 reaches a required pressure value, the valve 3 is closed, then the pressure is maintained for a certain time, and whether the pressure gauge 4 changes is observed, if the pressure pipeline without change is qualified, and if the pressure pipeline with change is unqualified, the pressure pipeline with the pressure is not qualified.

Embodiment 2, on the basis of embodiment 1, support closing device includes a pair of V type supporting shoe 21 of fixing at workstation 1 top, is equipped with V type briquetting 15 between a pair of V type supporting shoe 21, and the front and back both ends of V type briquetting 15 are fixed with backup pad 20, are equipped with the supporting hole on the backup pad 20, are equipped with bracing piece 16 in the supporting hole, and the bottom of bracing piece 16 is fixed with workstation 1, and the cover has the clamp sleeve 19 on the bracing piece 16 of backup pad 20 top, is equipped with the lock bolt on the clamp sleeve 19.

The locking bolt is unscrewed before the pressure pipe 14 is placed, then the compression sleeve 19 and the V-shaped pressing block 15 are taken down, then the pressure pipe 14 is placed on the V-shaped supporting block 21, then the V-shaped pressing block 15 and the compression sleeve 19 are sleeved, so that the compression sleeve 19 is compressed on the pressure pipe 14, and then the locking bolt is screwed.

The right-hand member of coupling hose 9 is fixed with flange two 10, and the left end of connecting pipe 12 is fixed with and flange two 10 complex flange three, evenly is equipped with opening 8 on flange two 10 and the flange three periphery, and the opening 8 internal rotation of flange two 10 is installed pivot 23, is fixed with the connecting bolt 11 of accessible its rotatory three upper shed 8 of flange on the pivot 23, is equipped with coupling nut on the connecting bolt 11, is equipped with the seal groove on the flange two 10, is equipped with sealing washer 22 in the seal groove.

The top of the high-pressure air inlet pipe 2 is fixedly provided with a connecting flange IV 7, the left end of a connecting hose 9 is fixedly provided with a connecting flange V6 matched with the connecting flange IV 7, and sealing gaskets are arranged between the connecting flange IV 7 and the connecting flange V6, between the mounting flange and the connecting flange I13 and between the mounting flange and the flange plug cover 17.

The walking wheel is installed to the bottom of workstation 1, and the right-hand member top of workstation 1 is fixed with pushing hands 18, and the left end of workstation 1 is fixed with dead lever 5, and dead lever 5 is fixed with high-pressure intake pipe 2.

Before each pressure pipeline 14 is detected, the flange plug cover 17 can be fixedly connected with the first connecting flange 13, then the valve 3 is opened for air inlet, the valve 3 is closed when the pressure rises to a measured value, the pressure is maintained to observe whether the pressure gauge 4 has change, the pressure gauge is qualified if the pressure gauge has no change, and the air inlet pipeline is ensured to be qualified before each pressure pipeline 14 is detected. In detecting the pressure pipe 14, the pipe joint can be observed for air leakage by applying foam water.

In summary, according to the utility model, by arranging the replaceable connecting pipe and the replaceable flange plug cover, the proper connecting pipe and the proper flange plug cover can be selected according to the diameters of the mounting flanges of the high-pressure pipelines, the detection of the high-pressure pipelines with various diameters is adapted, the connecting pipe and the high-pressure air inlet pipe are connected through the connecting hose, and the position of the pressure pipeline is not required to be moved during connection, so that the connection can be more conveniently completed in a labor-saving manner.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

In the description of the present utility model, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, only for convenience in describing the present utility model, and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Claims

1. The utility model provides a pipeline under pressure detection device, includes workstation (1), and workstation (1) left side is fixed with high-pressure air inlet pipe (2), is equipped with valve (3) on high-pressure air inlet pipe (2), is connected with manometer (4), its characterized in that on high-pressure air inlet pipe (2): the top of workstation (1) is equipped with the support closing device who supports and compress tightly pressure pipe (14), the mounting flange one end of pressure pipe (14) is fixed with flange plug lid (17), flange plug lid (17) are equipped with a plurality ofly, the diameter of every flange plug lid (17) is unequal, the top of high-pressure intake pipe (2) is fixed with coupling hose (9), coupling hose (9) other end is connected with detachable connecting pipe (12), connecting pipe (12) are equipped with a plurality ofly, the right-hand member of every connecting pipe (12) is equipped with flange one (13) that the diameter is different.

2. The pressure pipe detection apparatus according to claim 1, wherein: the supporting and compacting device comprises a pair of V-shaped supporting blocks (21) fixed at the top of a workbench (1), a V-shaped pressing block (15) is arranged between the pair of V-shaped supporting blocks (21), supporting plates (20) are fixed at the front end and the rear end of each V-shaped pressing block (15), supporting holes are formed in the supporting plates (20), supporting rods (16) are arranged in the supporting holes, the bottoms of the supporting rods (16) are fixed with the workbench (1), compacting sleeves (19) are sleeved on the supporting rods (16) above the supporting plates (20), and locking bolts are arranged on the compacting sleeves (19).

3. The pressure pipe detection apparatus according to claim 1 or 2, characterized in that: the right-hand member of coupling hose (9) is fixed with flange two (10), the left end of connecting pipe (12) is fixed with flange two (10) complex flange three, evenly be equipped with opening (8) on flange two (10) and the flange three periphery, pivot (23) are installed in opening (8) internal rotation of flange two (10), be fixed with on pivot (23) accessible its rotatory connecting bolt (11) of going into three upper openings (8) of flange, be equipped with coupling nut on connecting bolt (11), be equipped with the seal groove on flange two (10), be equipped with sealing washer (22) in the seal groove.

4. A pressure pipe detection apparatus according to claim 3, wherein: the top of the high-pressure air inlet pipe (2) is fixedly provided with a connecting flange IV (7), the left end of the connecting hose (9) is fixedly provided with a connecting flange V (6) matched with the connecting flange IV (7), and sealing gaskets are arranged between the connecting flange IV (7) and the connecting flange V (6), between the mounting flange and the connecting flange I (13) and between the mounting flange and the flange plug cover (17).

5. The pressure pipe detection apparatus according to claim 2, wherein: the walking wheel is installed to the bottom of workstation (1), and the right-hand member top of workstation (1) is fixed with pushing hands (18), and the left end of workstation (1) is fixed with dead lever (5), and dead lever (5) are fixed with high-pressure intake pipe (2).