CN212107345U - Compact rotating flange - Google Patents

Compact rotating flange Download PDF

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Publication number
CN212107345U
CN212107345U CN202020587623.4U CN202020587623U CN212107345U CN 212107345 U CN212107345 U CN 212107345U CN 202020587623 U CN202020587623 U CN 202020587623U CN 212107345 U CN212107345 U CN 212107345U
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China
Prior art keywords
flange
compact
ring
pressure
rotary
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CN202020587623.4U
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Chinese (zh)
Inventor
周庆涛
刘小山
周琳
赵丽娟
冯旺辉
周庆兵
周军民
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周庆涛
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Priority to CN202020587623.4U priority Critical patent/CN212107345U/en
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Abstract

The utility model relates to a compact rotary flange, which comprises a compact rotary flange rotary inner body, a rotary ring, an HX type self-pressure test sealing ring, a pressure test compact flange and a baffle ring; the baffle ring is arranged on the outer peripheral surface of the compact rotating flange rotating inner body, and the rotating ring is arranged between the baffle ring and the flange ring of the compact rotating flange rotating inner body; the rotating ring is provided with a threaded mounting hole matched with a threaded hole at a position corresponding to a flange ring of the pressure test compact flange; the HX type self-pressure-testing sealing ring is arranged between the rotating inner body of the compact rotating flange and the pressure-testing compact flange; the pressure test compact flange is provided with a pressure test hole; the compact rotary flange also comprises a mounting bolt, and the mounting bolt penetrates through the threaded mounting hole and the threaded hole in sequence and then tightly connects the rotary inner body of the compact rotary flange with the pressure test compact flange. The sealing device has the advantages of reasonable structural design, light weight, small size, more contribution to installation, production cost and processing cost saving, stronger sealing performance and the like, and can also perform self-sealing test and test the sealing performance.

Description

Compact rotating flange
Technical Field
The utility model relates to a pipeline flange such as deep sea seabed oil pipeline, solid pipeline connects technical field, especially relates to a rotatory flange of compact.
Background
The flange is a common mechanical component, and is indispensable particularly in pipeline connection. Flange connections are the most common and common mechanical connection in offshore oil engineering. The situation that bolt holes of two flanges cannot be aligned can occur in the underwater installation process, the flanges and the marine pipe can be welded underwater, or the flanges and the marine pipe can be welded on the shore to rotate underwater to achieve the purpose of connection, but the installation cost, the installation difficulty and the engineering quantity of the two operation modes are very large, and the sealing performance is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the compact rotary flange has the advantages of reasonable structural design, light weight, small size, convenience in installation, production cost and processing cost saving, stronger sealing performance and the like, and can perform self-sealing test and check the sealing performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a compact rotary flange comprises a compact rotary flange rotary inner body, a rotary ring, an HX type self-pressure test sealing ring, a pressure test compact flange and a baffle ring; the baffle ring is arranged on the outer peripheral surface of the compact rotary flange rotary inner body, and the rotary ring is arranged between the baffle ring and the flange ring of the compact rotary flange rotary inner body; the rotating ring is provided with bolt holes at positions corresponding to the flange ring of the pressure test compact flange; the HX type self-pressure test sealing ring is arranged between the compact rotating flange rotating inner body and the pressure test compact flange; the pressure test compact flange is provided with a pressure test hole, one end of the pressure test hole is connected with the HX type self-pressure test sealing ring, and the other end of the pressure test hole is connected with the flange ring of the pressure test compact flange; the compact rotary flange further comprises mounting bolts, and the mounting bolts penetrate through the bolt holes of the compact rotary flange and the bolt holes of the pressure test compact flange in sequence and then tightly connect the compact rotary flange rotary inner body with the pressure test compact flange.
As a further optimization of the scheme, the contact sealing surface of the HX type self-pressure-testing sealing ring and the rotating inner body of the compact rotating flange and the contact sealing surface of the pressure-testing compact flange are wedge-shaped.
As a further optimization of the scheme, the pressure testing hole is detachably connected with a pressure testing device or a plug, wherein the pressure testing device is a manual pressure testing device which comprises a manual oil pump, a high-pressure oil pipe, a valve, a quick connector and a submersible pressure gauge; the quick connector is arranged on the pressure test hole and is respectively connected with the submersible pressure gauge and the valve; and the manual oil pump is connected with the valve through a high-pressure oil pipe.
As a further refinement of the solution described above, the rotary ring is rotatably arranged between the baffle ring and the flange ring of the compact rotary flange rotary inner body.
Adopt the utility model discloses a compact rotary flange has following beneficial effect:
(1) structural design is reasonable, and this rotatory flange of compact is including rotatory endosome, rotatory ring, a HX type seal gasket, four parts of the pressure testing compact flange of a side trompil, and wherein rotatory endosome is stationary, and has a recess at the endosome approaching groove department to be equipped with fixed shelves ring in order to restrict rotatory ring and remove, rotatory ring and the pressure testing compact flange connection who is equipped with the pressure testing hole, whole light in weight size is little, more does benefit to the installation.
(2) The utility model discloses a compact rotating flange is when using, and the laminating is inseparable seamless, has improved sealing performance greatly.
(3) HX sealing ring has the pressurized trend that has the recovery inclined plane, consequently can self sealedly and need not the lubrication, and sealing capacity is better than traditional flange, and same size is only irrelevant with pound level with same kind of gasket moreover, and is littleer than traditional sealing ring, has saved the production and processing cost greatly, and is littleer also more does benefit to the installation.
(4) The sealing ring HX and the bottom of the flange plate groove are matched to form a closed space, and the sealing ring can be matched with a pressure test compact flange to perform a self-sealing test, so that the sealing performance of the installation of the compact rotary flange can be verified, and the reliability and the safety of the whole structure are greatly improved.
Drawings
Figure 1 is the utility model discloses compact rotating flange structure sketch map.
FIG. 2 is an enlarged view of the HX-type self-pressure test seal ring at A in FIG. 1.
Detailed Description
The compact rotary flange of the present invention will be described in detail with reference to fig. 1-2.
A compact rotary flange comprises a compact rotary flange rotary inner body 1, a rotary ring 2, an HX type self-pressure test sealing ring 3, a pressure test compact flange 4 and a baffle ring 5; the baffle ring is arranged on the outer peripheral surface of the compact rotary flange rotary inner body, and the rotary ring is arranged between the baffle ring and the flange ring of the compact rotary flange rotary inner body; the rotating ring is provided with bolt holes at positions corresponding to the flange ring of the pressure test compact flange; the HX type self-pressure test sealing ring is arranged between the compact rotating flange rotating inner body and the pressure test compact flange; the pressure test compact flange is provided with a pressure test hole 6, one end of the pressure test hole is connected with the HX type self-pressure test sealing ring, and the other end of the pressure test hole is connected with the flange ring of the pressure test compact flange; the compact rotary flange further comprises mounting bolts 7, and the mounting bolts pass through the bolt holes of the compact rotary flange and the pressure test compact flange in sequence and then tightly connect the rotary inner body of the compact rotary flange with the pressure test compact flange. The contact sealing surface of the HX type self-pressure-testing sealing ring, the compact rotating flange rotating inner body and the compact pressure-testing flange is wedge-shaped. The pressure testing hole is detachably connected with a pressure testing device or a plug, wherein the pressure testing device is a manual pressure testing device which comprises a manual oil pump, a high-pressure oil pipe, a valve, a quick connector and a submersible pressure gauge; the quick connector is arranged on the pressure test hole and is respectively connected with the submersible pressure gauge and the valve; and the manual oil pump is connected with the valve through a high-pressure oil pipe. Can detect the downthehole pressure of pressure testing through manual biasing means, judge sealed effect.
The utility model discloses a compact rotating flange's theory of operation as follows:
(1) the compact rotary flange adopts an HX type sealing ring, the sealing rings are compressed and sealed on two sides in the groove, and a self-sealing test can be carried out in a sealing space formed by the sealing rings and the flange.
(2) The contact sealing surface of the HX type self-pressure-testing sealing ring, the rotating inner body of the compact rotating flange and the compact pressure-testing flange is designed in a wedge shape, so that the axial bolt pretightening force applied to the conical surface of the sealing surface is converted into radial sealing force.
(3) The edge of the whole flange is tightly attached by further loading of the pretightening force of the mounting bolts, and the wedge-shaped sealing surface and the conical surface of the sealing ring are tightly attached to the conical surface of the groove, so that most of the pretightening force of the mounting bolts is converted into the pressure at the root of the sealing surface of the wedge-shaped flange. The internal pressure expands outwards and strengthens the sealing effect, so that the metal surface-to-surface contact can be realized by very small mounting bolt pretightening force, and the damage to the sealing surface is greatly reduced.
(4) The number and the size of the mounting bolts are relatively reduced due to the reduction of the pretightening force of the mounting bolts, and the wall thickness of the flange is relatively reduced, so that the size and the weight of the flange can be reduced, and excellent zero-leakage sealing performance can be obtained.
(5) After the pipe fitting welding is in the pipeline, rotatory ring still can rotate, can adjust the bolt hole position, makes the bolt hole alignment on two ring flanges connect fixedly. The welding of ring flange and sea pipe can be carried out ashore like this, and when connecting the installation under water, just can connect well as long as rotatory ring, made things convenient for the construction greatly, made the connection installation of pipeline very convenient, saved installation cost.
(6) Under the fastening action of the mounting bolt, the wedge-shaped sealing surface and the conical surface of the sealing ring are tightly attached to the conical surface of the groove, and the sealing effect is stronger than that of the traditional flange.
(7) A pressure test hole is formed in the side face of a pressure test type compact flange connected with the compact rotating flange, a groove bottom is directly communicated, small holes are formed in the middle of grooves in two sides of an HX type pressure test steel ring, a sealing space is formed between the pressure test type compact flange groove and an inner body groove of the compact rotating flange, and a self-sealing test can be carried out to verify the sealing performance of the compact rotating flange.
The embodiments described above are intended to facilitate one of ordinary skill in the art to understand and practice the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments herein, and those skilled in the art should understand that modifications and alterations made without departing from the scope of the present invention are within the protection scope of the present invention.

Claims (4)

1. A compact rotating flange characterized in that: the device comprises a compact rotary flange rotary inner body (1), a rotary ring (2), an HX type self-pressure test sealing ring (3), a pressure test compact flange (4) and a baffle ring (5); the baffle ring is arranged on the outer peripheral surface of the compact rotary flange rotary inner body, and the rotary ring is arranged between the baffle ring and the flange ring of the compact rotary flange rotary inner body; the rotating ring is provided with bolt holes at positions corresponding to the flange ring of the pressure test compact flange; the HX type self-pressure test sealing ring is arranged between the compact rotating flange rotating inner body and the pressure test compact flange; the pressure test compact flange is provided with a pressure test hole (6), one end of the pressure test hole is connected with the HX type self-pressure test sealing ring, and the other end of the pressure test hole is connected with a flange ring of the pressure test compact flange; the compact rotary flange further comprises mounting bolts (7), and the mounting bolts penetrate through bolt holes of the compact rotary flange and bolt holes of the pressure test compact flange in sequence and then tightly connect the rotary inner body of the compact rotary flange with the pressure test compact flange.
2. The compact rotating flange according to claim 1, characterized in that: the contact sealing surface of the HX type self-pressure-testing sealing ring, the compact rotating flange rotating inner body and the compact pressure-testing flange is wedge-shaped.
3. The compact rotating flange according to claim 1, characterized in that: the pressure testing hole is detachably connected with a pressure testing device or a plug, wherein the pressure testing device is a manual pressure testing device which comprises a manual oil pump, a high-pressure oil pipe, a valve, a quick connector and a submersible pressure gauge; the quick connector is arranged on the pressure test hole and is respectively connected with the submersible pressure gauge and the valve; and the manual oil pump is connected with the valve through a high-pressure oil pipe.
4. A compact rotating flange according to claim 3, characterized in that: the rotating ring can be rotatably arranged between the baffle ring and the flange ring of the compact rotating flange rotating inner body.
CN202020587623.4U 2020-04-20 2020-04-20 Compact rotating flange Active CN212107345U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020587623.4U CN212107345U (en) 2020-04-20 2020-04-20 Compact rotating flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020587623.4U CN212107345U (en) 2020-04-20 2020-04-20 Compact rotating flange

Publications (1)

Publication Number Publication Date
CN212107345U true CN212107345U (en) 2020-12-08

Family

ID=73640158

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020587623.4U Active CN212107345U (en) 2020-04-20 2020-04-20 Compact rotating flange

Country Status (1)

Country Link
CN (1) CN212107345U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847472A (en) * 2021-10-21 2021-12-28 海洋石油工程股份有限公司 Method for preventing seawater from entering during laying of submarine pipeline
CN114658937A (en) * 2022-05-25 2022-06-24 四川宏华电气有限责任公司 Rotatable adjusting flange connecting structure and adjusting flange

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847472A (en) * 2021-10-21 2021-12-28 海洋石油工程股份有限公司 Method for preventing seawater from entering during laying of submarine pipeline
CN114658937A (en) * 2022-05-25 2022-06-24 四川宏华电气有限责任公司 Rotatable adjusting flange connecting structure and adjusting flange

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