CN216410566U

CN216410566U - Detection device for internal leakage of ball valve in long-distance natural gas pipeline

Info

Publication number: CN216410566U
Application number: CN202123358760.4U
Authority: CN
Inventors: 马涛; 刘畅; 闫瑞强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-04-29
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a detection device for internal leakage of a ball valve in a long-distance natural gas pipeline, which comprises a bottom plate, the outer wall of the top of the bottom plate is fixedly connected with a mounting seat, the top of the mounting seat is fixed with an air pump through a bolt, the outer wall of the top of the bottom plate is fixedly connected with a sealing box near the end part, the outer wall of one side of the sealing box is provided with a testing hole, a pressure gauge is inserted in the internal thread of the testing hole, the top of the bottom plate is provided with two fixing mechanisms which are both arranged between the seal box and the air pump, the utility model is used for detecting the inner leakage of the ball valve in the long-distance natural gas pipeline, before the detection, the ball valve can be fixed by the staff of being convenient for, the fixing mode is simple, and the convenience of the device is improved.

Description

Detection device for internal leakage of ball valve in long-distance natural gas pipeline

Technical Field

The utility model relates to the technical field of ball valve internal leakage detection, in particular to a detection device for internal ball valve internal leakage of a long-distance natural gas pipeline.

Background

Natural gas is a narrow definition from an energy standpoint and refers to a mixture of hydrocarbon and non-hydrocarbon gases that are naturally trapped in a subterranean formation. In the long-distance pipeline transportation process of natural gas, whether the pipeline is dredged or not needs to be controlled by the adaptive ball valve, before the ball valve is installed, the ball valve needs to be subjected to inner leakage detection, and therefore relevant detection equipment needs to be used.

The detection device who leaks in the inside ball valve of present being used for long defeated natural gas line, and in the in-process that uses, there are following not enough mostly: the staff of being not convenient for places the ball valve fast, and the application scope of device is narrower, for this reason, provides a detection device who leaks in being used for long defeated natural gas pipeline inside ball valve.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention is intended to provide a device for detecting internal leakage of a ball valve in a long-distance natural gas pipeline, so as to solve or alleviate the technical problems in the prior art that it is inconvenient for a worker to quickly place the ball valve and the application range of the device is narrow.

The technical scheme of the embodiment of the utility model is realized as follows: the utility model provides a detection apparatus for leak in long defeated natural gas line inside ball valve, includes the bottom plate, the top outer wall fixedly connected with mount pad of bottom plate, the top of mount pad is passed through the bolt fastening and is had the air pump, the top outer wall of bottom plate is close to tip position fixedly connected with seal box, and one side outer wall of seal box is opened there is the test hole, and the test hole internal thread is pegged graft and is had the manometer, the top of bottom plate is equipped with two fixed establishment, and two fixed establishment all are located between seal box and the air pump, one side outer wall of seal box is opened there is the jar mouth, equal screw thread is pegged graft in the exit end of air pump and the tube hole has flexible hose, and two flexible hose are close to the one end of fixed establishment and all are pegged graft and have the rubber tube, and the rubber tube is round platform shape structure, and the one end diameter ratio rubber tube that flexible hose kept away from is close to flexible hose is big.

In some embodiments, the fixing mechanism comprises an upper vertical plate and a lower vertical plate, wherein the outer walls of two sides of the upper vertical plate are welded with upper transverse plates, the outer walls of two sides of the lower vertical plate are welded with lower transverse plates, the outer wall of the top of the upper transverse plate is provided with a threaded hole, and a threaded rod is inserted in the threaded hole.

In some embodiments, the outer walls of the tops of the two lower transverse plates are provided with inserting holes, round rods are inserted into the inserting holes, and the top ends of the round rods are welded with the bottom ends of the threaded rods on the same side.

In some embodiments, the outer wall of the threaded rod is sleeved with an upper spring, the outer wall of the round rod is sleeved with a lower spring, the bottom end of the round rod is welded with an end, and the diameter of the round rod is smaller than that of the threaded rod.

In some embodiments, the outer wall of one side of the lower vertical plate of the fixing mechanism close to one side of the air pump is provided with at least one rectangular hole, a rectangular pipe is welded in the rectangular hole, a strip-shaped plate is inserted in the rectangular pipe, the top of the rectangular pipe is provided with screw holes, and positioning screws are inserted in the screw holes in a threaded manner.

In some embodiments, one end of the strip-shaped plate is welded to the side wall of the lower vertical plate of the fixing mechanism far away from the air pump, the other end of the strip-shaped plate is welded to the end plate, and the bottom end of the end plate is welded to the top of the bottom plate.

In some embodiments, the bottom end of the lower vertical plate of the fixing mechanism close to the air pump side is in contact with the top of the bottom plate, and the bottom end of the lower vertical plate of the fixing mechanism far away from the air pump side is welded with the top of the bottom plate.

In some embodiments, the outer wall of the bottom end of the upper vertical plate and the outer wall of the top end of the lower vertical plate are both provided with arc grooves, soft rubber pads are bonded in the two arc grooves, the arc inner side walls of the soft rubber pads are both provided with a plurality of arc-shaped anti-skid grooves, and the end surface structures of the anti-skid grooves are both in a V shape.

Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:

1. the utility model provides a detection apparatus that leaks in being used for long defeated natural gas pipeline inside ball valve, through setting up two fixed establishment, before the detection, utilize two fixed establishment to fix the both ends of ball valve respectively, when fixed, alternate two fixed establishment's last riser and down between the riser with the both ends of ball valve respectively, rotatory threaded rod, the riser moves down on the rotatory limit in threaded rod limit drives, when the bottom of going up the riser closely extrudees with the upper surface of ball valve, stop rotatory threaded rod, this fixed position to the ball valve has been accomplished promptly, when dismantling the ball valve, reverse rotation threaded rod, until the threaded rod breaks away from the threaded hole completely when, then go up the riser and can reset under the restoring force of last spring and lower spring, remove the fixed establishment who is close to air pump one side after that, and take out the ball valve simultaneously can.

2. The utility model provides a detection apparatus that leaks in being used for long defeated natural gas line inside ball valve, through setting up rubber tube and expansion hose, the rubber tube is round platform shape mechanism, so the rubber tube inserts the diameter grow gradually in the ball valve, then it will finally closely laminate with the entrance point or the exit end of ball valve, reach a better encapsulated situation, this accuracy that will ensure follow-up testing result, reduce the error, and expansion hose can be along with the specification change of ball valve controls the flexible of rubber tube, and then make the rubber tube can be sealed insert in the ball valve all the time.

3. The utility model provides a detection apparatus for leak in long defeated natural gas pipeline inside ball valve, through setting up soft cushion, deformation can take place for the soft cushion, and then at the in-process that last riser compressed tightly the ball valve, will carry out elastic deformation extrusion to the soft cushion, and then consolidate fixed to the ball valve, the non-skid property is further promoted in the non-slip groove.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a partial block diagram of the securing mechanism of the present invention;

fig. 3 is a structural view of the extension hose and the rubber tube of the present invention.

Reference numerals:

1. a base plate; 2. an end plate; 3. a mounting seat; 4. an air pump; 5. an upper vertical plate; 6. a threaded rod; 7. an upper transverse plate; 8. an upper transverse plate; 9. a rubber tube; 10. a flexible hose; 11. a sealing box; 12. a pressure gauge; 13. a rectangular tube; 14. a strip plate; 15. an upper spring; 16. a lower spring; 17. an anti-slip groove; 18. and (5) positioning the screw rod.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in figures 1-3, a detection device for internal leakage of a ball valve in a long-distance natural gas pipeline comprises a bottom plate 1, wherein an installation seat 3 is welded on the outer wall of the top of the bottom plate 1, an air pump 4 is fixed on the top of the installation seat 3 through a bolt, a seal box 11 is welded on the outer wall of the top of the bottom plate 1, which is close to the end part, a test hole is formed in the outer wall of one side of the seal box 11, a pressure gauge 12 is inserted in the internal thread of the test hole, two fixing mechanisms are arranged on the top of the bottom plate 1, both the two fixing mechanisms are positioned between the seal box 11 and the air pump 4, a tank opening is formed in the outer wall of one side of the seal box 11, a flexible hose 10 is inserted in the outlet end and the pipe hole of the air pump 4 through threads, a rubber hose 9 is inserted in one end of both close to the fixing mechanisms, the rubber hose 9 is of a truncated cone-shaped structure, the diameter of one end, far away from the rubber hose 9, which is close to the flexible hose 10, is larger than the diameter of one end close to the flexible hose 10, before detection, two ends of the ball valve are respectively fixed by utilizing two fixing mechanisms, two rubber pipes 9 are respectively inserted at the inlet end and the outlet end of the ball valve, when the detection is carried out, the air pump 4 blows air, and then the air blowing is carried out in the ball valve, after a period of time, the pressure value on the pressure gauge 12 is recorded, the pressure value is the initial value of the seal box 11, then the closing member of the ball valve is completely closed, the air pump 4 continuously works for a period of time, the value change of the pressure gauge 12 is recorded in the period of time, if the pressure value of the pressure gauge 12 is always kept in a relatively constant state, the ball valve does not leak, if the value change is relatively large, otherwise, in the process, the rubber pipes 9 are truncated cone-shaped mechanisms, so that the rubber pipes are finally tightly attached to the inlet end or the outlet end of the ball valve along with the process that the end parts of the rubber pipes 9 are gradually inserted into the ball valve, the diameters of the rubber pipes 9 are gradually increased, reach a better encapsulated situation, this accuracy that will ensure follow-up testing result reduces the error, and flexible hose 10 can control the flexible of rubber tube 9 along with the specification change of ball valve, and then makes rubber tube 9 can be sealed insert in the ball valve all the time.

In this embodiment, fixed establishment includes riser 5 and lower riser, and the both sides outer wall of riser 5 has all welded diaphragm 7, and the both sides outer wall of lower riser has all welded diaphragm 8 down, and threaded hole is opened to the top outer wall of last diaphragm 7, and threaded rod 6 is pegged graft to threaded hole internal thread for when the installation ball valve, the tip of ball valve alternates between riser 5 and the lower riser, then riser 5 and lower riser are fixed a position the ball valve.

In this embodiment, the spliced eye has all been opened to two top outer walls of diaphragm 8 down, all pegs graft in the spliced eye has the round bar, the top of round bar and the bottom welding of threaded rod 6 with one side, the round bar is realized to last diaphragm 7 and the motion direction and the location between diaphragm 8 down with threaded rod 6.

In this embodiment, the outer wall of threaded rod 6 has cup jointed spring 15, the outer wall of round rod has cup jointed down spring 16, the end has all been welded to the bottom of round rod, the diameter of round rod is less than threaded rod 6's diameter, after two fixed establishment's last riser 5 and lower riser have been alternated respectively at the both ends of ball valve, rotatory threaded

rod

6, 6 limit of threaded rod rotatory limit drives riser 5 and moves down, when the bottom of going up riser 5 and the upper surface of ball valve closely crowded, stop rotatory threaded rod 6, this is accomplished the rigidity to the ball valve promptly, when dismantling the ball valve, reverse rotation threaded rod 6, when threaded rod 6 breaks away from the screwed hole completely, then riser 5 can reset under the restoring force of last spring 15 and lower spring 16, move the fixed establishment who is close to air pump 4 one side after that, and take out the ball valve simultaneously can.

In this embodiment, the outer wall of one side of the lower riser of the fixing mechanism that is close to air pump 4 one side is opened there is at least one rectangular hole, welded rectangular pipe 13 in the rectangular hole, it has bar shaped plate 14 to peg graft in the rectangular pipe 13, the screw has all been opened at the top of rectangular pipe 13, equal screw thread grafting has positioning screw 18 in the screw, when adjusting the interval between two fixing mechanism according to the specification of ball valve, can remove left fixing mechanism's position along bar shaped plate 14, when adjusting suitable position, it can to screw positioning screw 18.

In this embodiment, the one end of strip shaped plate 14 and the lateral wall welding of the lower riser of the fixed establishment of keeping away from air pump 4, the other end welding of strip shaped plate 14 has end plate 2, and the bottom of end plate 2 and the top welding of bottom plate 1, end plate 2 prescribes a limit to left fixed establishment's position.

In this embodiment, the bottom end of the lower vertical plate of the fixing mechanism close to the air pump 4 is in contact with the top of the bottom plate 1, and the bottom end of the lower vertical plate of the fixing mechanism far away from the air pump 4 is welded to the top of the bottom plate 1, so that it is ensured that the fixing mechanism on the left side can move, and the fixing mechanism on the right side cannot move.

In this embodiment, the bottom outer wall of going up riser 5 and the top outer wall of riser down have all been opened the cambered surface groove, two cambered surface inslots all bond soft rubber pads, a plurality of curved antiskid ribbed tile 17 have all been opened to soft rubber pads's arc inside wall, antiskid ribbed tile 17's end structure is the V-arrangement, deformation can take place for the soft rubber pads, and then at the in-process that last riser 5 compressed tightly the ball valve, will carry out elastic deformation extrusion to the soft rubber pads, and then consolidate the fixed to the ball valve, antiskid ribbed tile 17 further promotes anti-skidding characteristic.

Before detection, two fixing mechanisms are used for fixing two ends of a ball valve respectively, when the ball valve is installed, the end part of the ball valve penetrates through a position between an upper vertical plate 5 and a lower vertical plate, a threaded rod 6 is rotated, the threaded rod 6 drives the upper vertical plate 5 to move downwards while rotating, when the bottom of the upper vertical plate 5 is tightly extruded with the upper surface of the ball valve, the threaded rod 6 is stopped rotating, the position of the ball valve is fixed, two rubber pipes 9 are respectively inserted at the inlet end and the outlet end of the ball valve, when detection is carried out, an air pump 4 blows air to further blow air into the ball valve, after a period of time, the pressure value on a pressure gauge 12 is recorded, the pressure value is the initial value of a seal box 11, then a closing part of the ball valve is completely closed, the air pump 4 continuously works for one end of time, the value change of the pressure gauge 12 is recorded in the period of time, if the pressure value of the pressure gauge 12 is kept in a relatively constant state all the time, if the numerical value changes greatly, otherwise, in the above process, the rubber tube 9 is a truncated cone-shaped mechanism, so that in the process of gradually inserting the end part of the rubber tube 9 into the ball valve, the rubber tube 9 is finally tightly attached to the inlet end or the outlet end of the ball valve due to the gradually increased diameter of the rubber tube 9 inserted into the ball valve, a better sealing state is achieved, which ensures the accuracy of the subsequent detection result and reduces the error, and the flexible hose 10 can control the extension of the rubber tube 9 along with the specification change of the ball valve, so that the rubber tube 9 can be always hermetically inserted into the ball valve, when the ball valve is disassembled, the threaded rod 6 is reversely rotated until the threaded rod 6 is completely separated from the threaded hole, the upper vertical plate 5 can reset under the upper spring 15 and the lower spring 16, and then the fixing mechanism close to one side of the air pump 4 is moved, and simultaneously taking out the ball valve.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a detection apparatus that is used for leaking in long defeated natural gas pipeline inside ball valve, includes bottom plate (1), its characterized in that: the outer wall of the top of the bottom plate (1) is welded with a mounting seat (3), the top of the mounting seat (3) is fixed with an air pump (4) through a bolt, a sealing box (11) is welded on the outer wall of the top of the bottom plate (1) near the end part, a testing hole is formed in the outer wall of one side of the sealing box (11), a pressure gauge (12) is inserted in the internal thread of the testing hole, the top of the bottom plate (1) is provided with two fixing mechanisms which are both arranged between the seal box (11) and the air pump (4), the utility model discloses a sealing box, including seal box (11), air pump (4), rubber tube (9), the one end diameter ratio rubber tube (9) of keeping away from bellows (10) of rubber tube (9) are big for the one end diameter that bellows (10) are close to bellows (10).

2. The device for detecting the internal leakage of the ball valve in the long-distance natural gas pipeline according to claim 1, wherein: the fixing mechanism comprises an upper vertical plate (5) and a lower vertical plate, wherein the outer walls of the two sides of the upper vertical plate (5) are welded with upper transverse plates (7), the outer walls of the two sides of the lower vertical plate are welded with lower transverse plates (8), the outer wall of the top of each upper transverse plate (7) is provided with a threaded hole, and a threaded rod (6) is inserted in the threaded hole in a threaded manner.

3. The device for detecting the internal leakage of the ball valve in the long-distance natural gas pipeline as claimed in claim 2, wherein: two the spliced eye has all been opened to the top outer wall of lower diaphragm (8), all pegs graft in the spliced eye has the round bar, the top of round bar and the bottom welding of threaded rod (6) with one side.

4. The device for detecting the internal leakage of the ball valve in the long-distance natural gas pipeline as claimed in claim 3, wherein: the outer wall of threaded rod (6) has cup jointed spring (15), and the outer wall of round bar has cup jointed down spring (16), and the end has all been welded to the bottom of round bar, and the diameter of round bar is less than the diameter of threaded rod (6).

5. The device for detecting the internal leakage of the ball valve in the long-distance natural gas pipeline as claimed in claim 4, wherein: the outer wall of one side of a lower vertical plate of the fixing mechanism close to one side of the air pump (4) is provided with at least one rectangular hole, a rectangular pipe (13) is welded in the rectangular hole, a strip-shaped plate (14) is inserted in the rectangular pipe (13), the top of the rectangular pipe (13) is provided with screw holes, and positioning screw rods (18) are inserted in the screw holes in a threaded manner.

6. The device for detecting the internal leakage of the ball valve in the long-distance natural gas pipeline according to claim 5, wherein: one end of the strip-shaped plate (14) is welded with the side wall of the lower vertical plate of the fixing mechanism far away from the air pump (4), the end plate (2) is welded at the other end of the strip-shaped plate (14), and the bottom end of the end plate (2) is welded with the top of the bottom plate (1).

7. The device for detecting the internal leakage of the ball valve in the long-distance natural gas pipeline according to claim 6, wherein: the bottom end of the lower vertical plate of the fixing mechanism close to one side of the air pump (4) is in contact with the top of the bottom plate (1), and the bottom end of the lower vertical plate of the fixing mechanism far away from one side of the air pump (4) is welded with the top of the bottom plate (1).

8. The device for detecting the internal leakage of the ball valve in the long-distance natural gas pipeline according to claim 7, wherein: the bottom outer wall of going up riser (5) and the top outer wall of riser down have all opened the cambered surface groove, and two cambered surface inslots all bond and have soft cushion, and the arc inside wall of soft cushion has all opened a plurality of curved antiskid groove (17), and the end face structure in antiskid groove (17) is the V-arrangement.