CN213018323U

CN213018323U - Gas pipeline incessant transport intraductal plugging device

Info

Publication number: CN213018323U
Application number: CN202021355389.9U
Authority: CN
Inventors: 张忠顺; 张志云
Original assignee: Quzhou Xin'ao Gas Co ltd
Current assignee: Quzhou Xin'ao Gas Co ltd
Priority date: 2020-07-12
Filing date: 2020-07-12
Publication date: 2021-04-20
Anticipated expiration: 2030-07-12

Abstract

The utility model discloses a blocking device in a gas pipeline non-stop conveying pipe, which comprises a gas pipe body, a pinch valve, a bypass gas pipe, a sealing shell, a through pipe and a traction ring, wherein two ends of the gas pipe body are respectively clamped with a casing, a fixed block is fixed on the outer side of the fixed block, a pressure release valve is arranged at the upper end of the middle of the gas pipe body, the through pipe is arranged at the middle of the upper end of the casing in a penetrating way, a partition plate is fixed in the through pipe, and the middle of the clapboard is provided with an air vent, the outer side of the upper end of the through pipe is provided with through grooves in an annular array, a sliding rod is arranged in the through groove in a sliding manner, the inner end of the sliding rod is fixed on the press cover, the sealing shell is fixed on the outer side of the through pipe, the lower end of the sealing shell is provided with through holes in an annular array, the traction ring is sleeved at the lower end of the outer side of the through pipe, and the traction ring is connected with the slide bar through a connecting rod, and a flange plate is fixed at the upper end of the through pipe. The utility model discloses possess the sealed siphunculus of being convenient for, easy and simple to handle, the advantage of raising the efficiency.

Description

Gas pipeline incessant transport intraductal plugging device

Technical Field

The utility model relates to a plugging device technical field specifically is a gas pipeline does not stop defeated intraductal plugging device.

Background

The fuel gas is used as a clean energy and is inseparable from the daily life of people and the daily production of enterprise factories. The gas supply is interrupted and can seriously influence people's daily life, and at some pipe network switch or pipeline construction maintenance's in-process, in order to guarantee construction quality and constructor's safety, often need to carry the gas to stop, not only causes inconvenience to resident's life, still can influence gas company's market competition. In order to ensure that the production and life quality of a gas user is not affected, on the premise of ensuring normal transportation and supply of gas, research on pipeline maintenance and route replacement technology of a gas pipeline becomes a trend.

The project aims to solve the problem that air consumption of a user is influenced due to air stopping during touch construction. The air needs to be stopped when the air is in front collision, the normal operation of some users is influenced, sometimes, economic loss is even brought to the users, and when the air meets the main pipeline, the influence surface is larger. By using and using the system, the gas-supply-free operation can be carried out during the touch construction, particularly on key road sections, so that the gas supply capacity of a company is improved, and the satisfaction degree of users is improved.

The tapping and the shutoff equipment are pressed in not stopping defeated area of current pipeline are carrying out the shutoff in-process, change the pipe fitting and need increase the closing plate in siphunculus inside after finishing, ensure the normal use of pipeline, but current closing plate assembly is comparatively inconvenient, the operation difficulty, and inefficiency, unable effectual improvement work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas pipeline does not stop defeated intraductal plugging device possesses the sealed siphunculus of being convenient for, and is easy and simple to handle, and the advantage of raising the efficiency adds after solving the existing equipment and establishes the closing plate operation complicacy, problem of inefficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a gas pipeline non-stop intraductal plugging device comprises a gas pipe body, a sandwich valve, a bypass gas pipe, a sealing shell, a through pipe and a traction ring, wherein casing casings are respectively clamped at two ends of the gas pipe body, fixed blocks are fixed on the outer sides of the fixed blocks, a pressure release valve is arranged at the upper end of the middle part of the gas pipe body, the through pipe penetrates through the middle part of the upper end of the casing casings, a partition plate is fixed in the through pipe, a vent hole is formed in the middle part of the partition plate, a through groove is formed in the annular array at the outer side of the upper end of the through pipe, a slide rod is slidably mounted in the through groove, the inner end of the slide rod is fixed on a pressure cover, the sealing shell is fixed on the outer side of the through pipe, the through groove is located in the sealing shell, a perforation is formed in the annular array at the lower end of, the opening of the sandwich valve is fixed on the flange plate, and the opening at the upper end of the sandwich valve is fixed at one end of the side vent pipe through a connecting ring.

Preferably, the cover shell is equipped with four altogether, and four cover shells are corresponding each other, and the fixed block of adjacent cover shell is connected through the bolt, all be equipped with the sealing ring in cover shell junction and the perforation.

Preferably, the gland is located the blow vent directly over, and the lower terminal surface of gland is equipped with sealed the pad, the gland is circular design, and the direct inner diameter that is less than the siphunculus of gland.

Preferably, the connecting rod passes through the through hole and then is fixed at the outer end of the sliding rod, and the outer end of the sliding rod passes through the through groove and then is positioned inside the sealing shell.

Preferably, two ends of the bypass air pipe are fixed at the openings at the upper sides of the two corresponding sandwich valves through connecting rings and bolts.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the sealed shell, before cutting the pipe, carry out the transportation of gas through the bypass trachea, will wait to cut off the interior gas of pipe fitting and discharge through the relief valve, after the pipe fitting is changed and finishes, the operator drop down the pull ring, the pull ring drives the slide bar through the connecting rod and descends in leading to the groove, the slide bar drives the gland and descends at this moment, shield the blow vent on the baffle through the gland, make the interior gas of gas pipe can't flow to the bypass trachea through the siphunculus, at this moment, pass through bolt fastening on the outer wall of siphunculus with the pull ring, be equipped with the sealing washer in the perforation, connecting rod and sealing washer closely laminate, prevent siphunculus and sealed shell gas from leaking, control gland through the mode of drop down and shelter from the blow vent, the operation is simple, therefore, the practicality, the device has the advantages of simple structure, simplicity and convenience in operation, reduction in the difficulty of later sealing and improvement of the working efficiency.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic structural diagram of a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the appearance structure of the present invention;

fig. 4 is a schematic view of the bottom structure of the sealing shell of the present invention.

In the figure: 1. a gas pipe body; 2. a housing; 3. a pressure relief valve; 4. a sandwich valve; 5. a bypass air pipe; 6. a connecting ring; 7. a flange plate; 8. sealing the shell; 9. a through groove; 10. perforating; 11. pipe passing; 12. a partition plate; 13. a vent; 14. a gland; 15. a traction ring; 16. a connecting rod; 17. a slide bar; 18. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a shutoff device in gas pipeline non-stop conveying pipe, includes gas body 1, sandwich valve 4, bypass trachea 5, seal shell 8, siphunculus 11 and traction ring 15, the both ends difference joint of gas body 1 has casing 2, and the outside of fixed block 18 is fixed with fixed block 18, casing 2 is equipped with four altogether, and four casing 2 mutual correspondences, is connected through the bolt between the fixed block 18 of adjacent casing 2, all is equipped with the sealing ring in casing 2 junction and the perforation 10, the middle department upper end of gas body 1 is equipped with relief valve 3.

A through pipe 11 is arranged at the middle of the upper end of the shell 2 in a penetrating way, a clapboard 12 is fixed in the through pipe 11, and the middle of the partition board 12 is provided with an air vent 13, the outer side of the upper end of the through pipe 11 is provided with a circular array of through grooves 9, a sliding rod 17 is arranged in the through groove 9 in a sliding manner, the inner end of the sliding rod 17 is fixed on a gland 14, the gland 14 is positioned right above the air vent 13, the lower end surface of the gland 14 is provided with a sealing gasket, the gland 14 is in a circular design, the inner diameter of the gland 14 is directly smaller than that of the through pipe 11, the sealing shell 8 is fixed on the outer side of the through pipe 11, the through groove 9 is positioned in the sealing shell 8, the lower end of the sealing shell 8 is provided with through holes 10 in an annular array, the traction ring 15 is sleeved at the lower end of the outer side of the through pipe 11, and the traction ring 15 is connected with a sliding rod 17 through a connecting rod 16, the connecting rod 16 passes through the through hole 10 and then is fixed at the outer end of the sliding rod 17, and the outer end of the sliding rod 17 passes through the through groove 9 and then is positioned inside the sealing shell 8.

The upper end of the through pipe 11 is fixed with a flange 7, the opening of the sandwich valve 4 is fixed on the flange 7, the opening of the upper end of the sandwich valve 4 is fixed at one end of the bypass vent pipe 5 through a connecting ring 6, the two ends of the bypass vent pipe 5 are fixed at the openings of the upper sides of the two corresponding sandwich valves 4 through the connecting ring 6 and bolts, before pipe cutting, gas transportation is carried out through the bypass vent pipe 5, the gas in the pipe to be cut is discharged through the pressure release valve 3, after the pipe is replaced, an operator pulls down the traction ring 15, the traction ring 15 drives the sliding rod 17 to descend in the through groove 9 through the connecting rod 16, at the moment, the sliding rod 17 drives the gland 14 to descend, the vent hole 13 on the partition plate 12 is shielded through the gland 14, so that the gas in the gas pipe body 1 can not flow to the bypass vent pipe 5 through the, connecting rod 16 and sealing washer closely laminate, prevent that siphunculus 11 and sealed shell 8 internal gas from leaking, shelter from blow vent 13 through pull-down mode control gland 14, easy operation, the practicality is strong, and after sheltering from gaseous finishing, can separate the ring flange 7 of sandwich valve 4 and siphunculus 11 upper end, the circulation in the change back pipe fitting can be followed to the gas in the gas body 1 this moment, this device simple structure, and is easy and simple to handle, reduces the later stage sealed degree of difficulty, improves the efficiency of work.

The working principle is as follows: in the operation of the utility model, before the pipe is cut, the transportation of the fuel gas is carried out through the bypass air pipe 5, the fuel gas in the pipe to be cut is discharged through the relief valve 3, after the pipe is replaced, the operator pulls down the traction ring 15, the traction ring 15 drives the slide bar 17 to descend in the through groove 9 through the connecting rod 16, the slide bar 17 drives the gland 14 to descend, the vent 13 on the partition plate 12 is shielded through the gland 14, the fuel gas in the gas pipe 1 can not flow to the bypass air pipe 5 through the through pipe 11, the traction ring 15 is fixed on the outer wall of the through pipe 11 through the bolt at the moment, the sealing ring is arranged in the perforation 10, the connecting rod 16 is tightly attached to the sealing ring, the fuel gas in the through pipe 11 and the sealing shell 8 is prevented from leaking, the vent 13 is shielded through the pull-down mode control gland 14, the operation is simple, the, at this time, the gas in the gas pipe body 1 can circulate in the pipe after being replaced. The working principle of the present invention is the above.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a shutoff device in gas pipeline does not stop transmission pipe, includes gas body (1), sandwich valve (4), bypass trachea (5), sealed shell (8), siphunculus (11) and traction ring (15), its characterized in that: the gas pipeline comprises a gas pipeline body (1), a casing (2) is respectively clamped at two ends of the gas pipeline body (1), a fixing block (18) is fixed on the outer side of the fixing block (18), a pressure release valve (3) is arranged at the upper end of the middle of the gas pipeline body (1), a through pipe (11) penetrates through the upper end of the casing (2), a partition plate (12) is fixed in the through pipe (11), a vent hole (13) is formed in the middle of the partition plate (12), a through groove (9) is formed in an upper end outer side annular array of the through pipe (11), a sliding rod (17) is slidably mounted in the through groove (9), the inner end of the sliding rod (17) is fixed on a gland (14), a sealing shell (8) is fixed on the outer side of the through pipe (11), the through groove (9) is located in the sealing shell (8), a perforation (10) is formed in a lower end annular array of the sealing shell (8, and the traction ring (15) is connected with the sliding rod (17) through a connecting rod (16), a flange (7) is fixed at the upper end of the through pipe (11), the opening of the sandwich valve (4) is fixed on the flange (7), and the opening of the upper end of the sandwich valve (4) is fixed at one end of the side vent pipe (5) through a connecting ring (6).

2. The non-stop pipe inner plugging device for the gas pipeline according to claim 1, characterized in that: the casing (2) are provided with four, the four casings (2) correspond to each other, the fixing blocks (18) of the adjacent casings (2) are connected through bolts, and sealing rings are arranged at the joints of the casings (2) and in the through holes (10).

3. The non-stop pipe inner plugging device for the gas pipeline according to claim 1, characterized in that: gland (14) are located directly over blow vent (13), and the lower terminal surface of gland (14) is equipped with sealed the pad, gland (14) are circular design, and the internal diameter that is less than siphunculus (11) directly of gland (14).

4. The non-stop pipe inner plugging device for the gas pipeline according to claim 1, characterized in that: the connecting rod (16) penetrates through the through hole (10) and then is fixed at the outer end of the sliding rod (17), and the outer end of the sliding rod (17) penetrates through the through groove (9) and then is located inside the sealing shell (8).

5. The non-stop pipe inner plugging device for the gas pipeline according to claim 1, characterized in that: two ends of the bypass air pipe (5) are fixed at the upper side openings of the two corresponding sandwich valves (4) through connecting rings (6) and bolts.