CN212760171U - Multichannel flange joint for underwater pigging device - Google Patents

Multichannel flange joint for underwater pigging device Download PDF

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Publication number
CN212760171U
CN212760171U CN202021177950.9U CN202021177950U CN212760171U CN 212760171 U CN212760171 U CN 212760171U CN 202021177950 U CN202021177950 U CN 202021177950U CN 212760171 U CN212760171 U CN 212760171U
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China
Prior art keywords
flange
underwater
counter bore
pressing
joint
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CN202021177950.9U
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Chinese (zh)
Inventor
白浩
张建勇
劳景水
李雪梅
陈瑜
熊勇
黄莉
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Zhanjiang Nanhai West Oil Survey & Design Co ltd
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Zhanjiang Nanhai West Oil Survey & Design Co ltd
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Abstract

The utility model discloses a multi-channel flange joint for an underwater pipe cleaner, which comprises a first flange, a second flange, a sealing washer and a fastening component fixedly connected with the first flange and the second flange, wherein the flange surfaces opposite to the first flange and the second flange are respectively provided with a corresponding sealing groove, and the sealing washer is arranged in the two sealing grooves; a plurality of pressing through holes and a plurality of connecting through holes are uniformly distributed on the first flange and the second flange respectively, a first counter bore is formed in an opening at one end of each pressing through hole of the first flange, and a boss extends outwards from an opening at the other end of each pressing through hole; and openings at two ends of the second flange are respectively provided with a second counter bore and a third counter bore, the second counter bore is matched with the boss, and a rubber sealing ring is arranged in the second counter bore. The utility model discloses a flange joint adopts the mode of integration assembly when using, satisfies the operating mode of online dredging pipe operation, reduces the butt joint quantity of dredging pipe ware and manifold sledge interface under water, and the guarantee pipeline is not destroyed.

Description

Multichannel flange joint for underwater pigging device
Technical Field
The utility model belongs to the technical field of the underwater pipe cleaner flange joint technique and specifically relates to a multichannel flange joint that is used for underwater pipe cleaner service interface and the integration butt joint of suppressing the interface.
Background
The underwater pipe cleaner is key equipment for inerting operation before production and operation maintenance and pipe cleaning operation after production of an underwater production system, in order to ensure the operation efficiency and quality, a plurality of pipe cleaning balls are usually required to be installed on the underwater pipe cleaner, in the process of launching the preorder pipe cleaning balls, the positions of the pipe cleaning balls at the back are relatively fixed, and the phenomenon of accumulation or random channeling is not generated.
In addition, the traditional underwater pipe cleaning operation usually needs a special support ship to carry external pressing equipment to provide a power source, and the support ship is connected with an underwater pipe cleaner through a hose, so that the operation cost is higher, the timeliness is low, and the influence of sea conditions is larger.
Disclosure of Invention
An object of the utility model is to provide an underwater pigging utensils multichannel flange joint adopts the mode of integration assembly, satisfies the operating mode of online pigging operation, reduces underwater pipe cleaner and the butt joint quantity of manifold sledge interface under water, and the guarantee pipeline is not destroyed.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an underwater pigging utensils multichannel flange joint which characterized in that: the flange fastening device comprises a first flange, a second flange, a sealing washer and a fastening assembly fixedly connected with the first flange and the second flange, wherein the flange surfaces of the first flange and the second flange which are opposite are respectively provided with a corresponding sealing groove, and the sealing washer is arranged in the two sealing grooves; a plurality of pressing through holes and a plurality of connecting through holes are uniformly distributed on the first flange and the second flange respectively, one end opening of the pressing through hole of the first flange is a first counter bore, and the other end opening extends outwards to form a boss; openings at two ends of the second flange are respectively a second counter bore and a third counter bore, the second counter bore is matched with the boss, and a rubber sealing ring is arranged in the second counter bore; the number of the fastening assemblies is consistent with that of the connecting through holes, and each set of fastening assemblies comprises a screw rod penetrating through the connecting through holes and fastening nuts installed on the screw rod.
Furthermore, the number of the pressing through holes is 3, 3 mounting lugs are uniformly distributed on the circumferential edges of the first flange and the second flange respectively, and the setting positions of the 3 mounting lugs correspond to the pressing through holes.
Furthermore, the first flange and the second flange are integrally forged and formed with the corresponding mounting lugs respectively. Or the first flange and the second flange are respectively welded and fixed with the corresponding mounting lugs.
Further, the first flange and the second flange are both neck flanges or flat flanges.
Further, the sealing washer is made of a rubber material or a steel material.
The utility model has the advantages that: the structure is simple and compact, the flange joint of the utility model can meet the working condition of on-line pipe cleaning operation, and the butt joint quantity of the underwater pipe cleaner and the underwater manifold sledge interface is greatly reduced; the integrated assembly of the underwater pipe cleaner pressing pipeline and the joint can be ensured, the balance pipeline is embedded in the joint, and the pipeline is prevented from being damaged. Meanwhile, due to the fact that the pressing through holes are formed, external pressing media can be led to different barrels through the pressing through holes, so that the cleaning balls are pushed to complete cleaning operation, a pressing pipeline is prevented from being led to each barrel, underwater connection needs to be conducted respectively, and underwater workload is greatly reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the sectioning of the utility model.
Fig. 3 is a schematic structural view of the first flange of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic structural view of the second flange of the present invention.
Fig. 6 is a bottom view of fig. 5.
Fig. 7 is a schematic diagram of the state during application assembly of the present invention.
Detailed Description
As shown in figures 1 and 2, the utility model relates to a multichannel flange joint for underwater pig, which comprises a first flange 1, a second flange 2, a sealing washer 3 and a fastening component 4 fixedly connected with the upper and the lower second flanges.
As shown in fig. 3 and 4, the first flange 1 includes a flange body 11; a first seal groove 12, a first pressure through hole 13, and a first connection through hole 14 are formed in the flange surface of the flange body 11. The first pressing through holes 13 and the first connecting through holes 14 are uniformly distributed and arranged on the same circumference. The number of the first pressing through holes 13 is 3, and one end opening of the first pressing through hole 13 is provided with a first counter bore 131, and the other end opening extends outwards to form a boss 132. The flange body 11 edge corresponding to each first pressing through hole 13 is correspondingly provided with a first mounting lug 15 with a connecting through hole, the thickness of the first mounting lug 15 is consistent with that of the flange surface, and the size and the strength of the first mounting lug can meet the mounting requirements of the fastening assembly 4. Specifically, the first mounting lug 15 may be integrally formed with the first flange body, or may be connected to the first flange body by welding.
As shown in fig. 5 and 6, the second flange 2 includes a flange body 21; a second seal groove 22, a second pressurizing through hole 23, and a second connecting through hole 24 are formed in the flange surface of the flange body 21. The second pressing through holes 23 and the second connecting through holes 24 are uniformly arranged on the same circumference. The number of the second pressing through holes 23 is also 3, the second mounting lugs 25 with connecting through holes are correspondingly arranged on the edge of the flange body 11 corresponding to the positions of the second pressing through holes 13, the thickness of each second mounting lug 25 is consistent with that of the flange surface, and the size and the strength of each second mounting lug should meet the mounting requirements of the fastening assembly 4. Specifically, the second mounting lug 25 may be integrally formed with the second flange body, or may be connected to the second flange body by welding. One end opening of the second pressing through hole 23 is provided with a second counter bore 231, and the other end opening is provided with a third counter bore 232. The third counter bore 232 is matched with the boss 132, the depth of the third counter bore 232 is 10mm greater than the height of the boss 132, and the third counter bore 232 is used for installing the rubber sealing ring 26 in the third counter bore 232 to meet the sealing requirement after assembly.
The first flange 1 and the second flange 2 are made of steel, 900-pound neck flanges can be adopted in practical application, and the specific size of the neck flanges is consistent with that of ASME B16.5 standard flanges. When in application, the first flange 1 and the second flange 2 can also be flat flanges according to actual situations.
Specifically, the sealing gasket 3 may be a soft sealing structure made of a rubber material, or a hard sealing structure made of a steel ring, and the sealing gasket 3 is placed between the two sealing grooves 12 and 22 and used for sealing a flange main channel medium. The fastening assembly 4 comprises a screw rod 41 penetrating through the connecting through hole and a fastening nut 42 installed on the screw rod; the diameter and the length of the pressure pipe are consistent with those of ASME B16.5 standard, and the pressure pipe is used for ensuring the tightness of the main channel and the pressing channel.
The utility model discloses assembly process during the use as follows: as shown in fig. 4, first, a first flange 1 and a second flange 2 are welded to the end of the main launching tube 5 and the launching interface pipeline 6 of the underwater cleaning pig, and a launching pipeline 7 is socket-welded in a launching through hole 13 of the first flange and a launching through hole 23 of the second flange. Then, a sealing washer 3 is placed between the sealing groove 12 of the first flange and the sealing groove 22 of the second flange so that the first flange 1 and the second flange 2 are positioned correspondingly. Finally, the screw 41 of the fastener 4 is passed through the coupling through-hole and fitted with fastening nuts 42 tightened at both ends. And the flange joint, the main ball serving barrel 5 and the pressurizing pipeline 6 are integrally assembled.
By adopting the flange joint structure of the utility model, the pressing pipeline 6 is positioned inside the flange body, so that the underwater pipe cleaner can be effectively prevented from being damaged by extrusion in the moving and transporting process; meanwhile, due to the fact that the pressing through holes are formed, external pressing media can be led to different cylinders through pressing pipelines assembled on the pressing through holes respectively, and therefore the cleaning balls are pushed to complete cleaning operation, and underwater work load is reduced.
The above description is only for the purpose of illustrating the technical solutions of the present invention, and the simple modification or equivalent replacement of the technical solutions of the present invention by those of ordinary skill in the art does not depart from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides an underwater pigging utensils multichannel flange joint which characterized in that: the flange fastening device comprises a first flange, a second flange, a sealing washer and a fastening assembly fixedly connected with the first flange and the second flange, wherein the flange surfaces of the first flange and the second flange which are opposite are respectively provided with a corresponding sealing groove, and the sealing washer is arranged in the two sealing grooves;
a plurality of pressing through holes and a plurality of connecting through holes are uniformly distributed on the first flange and the second flange respectively, a first counter bore is formed in an opening at one end of each pressing through hole of the first flange, and a boss extends outwards from an opening at the other end of each pressing through hole; openings at two ends of the second flange are respectively provided with a second counter bore and a third counter bore, the second counter bore is matched with the boss, and a rubber sealing ring is arranged in the second counter bore;
the number of the fastening assemblies is consistent with that of the connecting through holes, and each set of fastening assemblies comprises a screw rod penetrating through the connecting through holes and fastening nuts installed on the screw rod.
2. A multi-channel flange joint for an underwater pig according to claim 1, characterized in that: the through-hole of suppressing is equipped with 3, and the equipartition is equipped with 3 installation ears respectively on first flange, second flange circumferential edge, and the position that sets up of 3 installation ears is corresponding with the through-hole of suppressing.
3. A multi-channel flange joint for an underwater pig according to claim 2, characterized in that: the first flange and the second flange are integrally forged and formed with the corresponding mounting lugs respectively.
4. A multi-channel flange joint for an underwater pig according to claim 2, characterized in that: the first flange and the second flange are respectively welded and fixed with the corresponding mounting lugs.
5. A multi-channel flange joint for an underwater pig according to any one of claims 1 to 4, characterized in that: the first flange and the second flange are both neck flanges.
6. A multi-channel flange joint for an underwater pig according to any one of claims 1 to 4, characterized in that: the first flange and the second flange are both flat plate flanges.
7. A multi-channel flange joint for an underwater pig according to any one of claims 1 to 4, characterized in that: the sealing washer is made of rubber material or steel material.
CN202021177950.9U 2020-06-23 2020-06-23 Multichannel flange joint for underwater pigging device Active CN212760171U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021177950.9U CN212760171U (en) 2020-06-23 2020-06-23 Multichannel flange joint for underwater pigging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021177950.9U CN212760171U (en) 2020-06-23 2020-06-23 Multichannel flange joint for underwater pigging device

Publications (1)

Publication Number Publication Date
CN212760171U true CN212760171U (en) 2021-03-23

Family

ID=75075149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021177950.9U Active CN212760171U (en) 2020-06-23 2020-06-23 Multichannel flange joint for underwater pigging device

Country Status (1)

Country Link
CN (1) CN212760171U (en)

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