CN212480117U

CN212480117U - Pre-tightening type passive sealing device for large-scale offshore pipe column

Info

Publication number: CN212480117U
Application number: CN202021180955.7U
Authority: CN
Inventors: 张春翔
Original assignee: Liaoning Futai Chemical Machinery Co ltd
Current assignee: Liaoning Futai Chemical Machinery Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-05
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a marine passive sealing device of pretension formula with large-scale tubular column, including the pipe, the inside of pipe is even is equipped with the round convex arc piece, round convex arc piece below is equipped with the separation ring, the even spiral tooth that is equipped with on the separation ring, separation ring below is equipped with the metal sealing ring, the metal sealing ring upper end is equipped with glues the edge, be equipped with the lead mouth in proper order in the metal sealing ring, ring cavity and ring opening, the ring cavity is equipped with the trip seat, the trip seat is T shape, trip seat outside is equipped with the glue film, the trip seat stretches out from the ring opening, trip seat lower part is equipped with the seal ring board, the seal ring board outside is equipped with the slot, the ditch. The utility model discloses a circular convex arc piece and separation ring weld can lead and right the avoiding appearance of colliding with inserting the interior large-scale pipe of conduit in the conduit, and the large-scale pipe of male can carry out multiple sealing through gluing edge, trip seat and sealed crown plate, and sealed effect reaches well, and sealed pretightning force is big, and sealed effect is extremely stable.

Description

Pre-tightening type passive sealing device for large-scale offshore pipe column

Technical Field

The utility model belongs to the technical field of packing structure, in particular to marine passive sealing device of pretension formula with large-scale tubular column.

Background

Offshore wind power generation has the emerging industry with the advantages of environmental protection, cleanness, abundant resources, large installed capacity, short transmission distance and the like. The wind power jacket is an important infrastructure for constructing an offshore wind power plant, consists of hollow leg columns and connecting leg columns, and is a connecting section of an underwater pile foundation and an upper tower cylinder of an offshore wind tower. Generally, construction procedures such as underwater alignment, underwater grouting and the like are required when a fan jacket is installed, during underwater alignment grouting work of the jacket, as the diameter of a guide pipe is large and thick, the guide pipe and the guide pipe are usually sealed in a mode of sleeving a sealing ring in the groove, the process of inserting the guide pipe and the guide pipe is similar to the process of inserting large pipe columns into each other, the sealing ring additionally arranged between the large pipe columns is easily damaged by collision or broken in the inserting process, grouting cannot be carried out at all after the guide pipe and the guide pipe alignment sealing ring are damaged and fall off, and all grouted cement slurry leaks from the lower part; in addition, the existing sealing ring is complex in structure, the pressing force of a sealing surface between the sealing ring and the large-sized metal cylindrical guide pipe is small, leakage is easy to generate in sealing between the sealing ring and the guide pipe, local leakage waste of cement paste is easy to generate, and the leaked cement paste can cause extra pollution to the sea.

SUMMERY OF THE UTILITY MODEL

The invention provides a pre-tightening type passive sealing device for a large-scale offshore pipe column, which aims to solve the technical problems that a sealing ring is easy to be damaged by collision when the provided large-scale pipe column-shaped guide pipes are mutually inserted, and the sealing surface is easy to leak due to poor pre-tightening force of the sealing ring.

The utility model provides a technical scheme that above-mentioned technical problem took is: the utility model provides a marine passive sealing device of pretension formula with large-scale tubular column, its structural feature lies in, including the pipe, the inside of pipe is even is equipped with the protruding arc piece of circle, protruding arc piece below is equipped with the separation ring, even being equipped with the helical tooth on the separation ring, separation ring below is equipped with the metal seal ring, the metal seal ring upper end is equipped with glues the edge, be equipped with the guide mouth in proper order in the metal seal ring, ring cavity and ring opening, the ring cavity is equipped with the trip seat, the trip seat is T shape, trip seat outside is equipped with the glue film, the trip seat stretches out from the ring opening, trip seat lower part is equipped with the seal ring board, the seal ring board outside is equipped with the slot.

Furthermore, the round convex arc block, the blocking ring and the metal sealing ring are all connected with the guide pipe in a welding mode.

Further, the glue rim is bolted with the metal sealing ring.

Furthermore, the guide opening, the ring groove cavity, the ring opening and the metal sealing ring are integrally manufactured by machining.

Furthermore, the guide openings are uniformly distributed on the metal sealing ring and communicated with the annular groove cavity, and the annular openings are arranged on the inner side of the annular groove cavity.

Furthermore, the trip seat is in clearance fit with the annular groove cavity and the annular opening respectively, and the glue layer outside the trip seat is in interference fit or transition fit with the annular groove cavity and the annular opening respectively.

Furthermore, the glue layer is connected with the movable seat in an adhesive mode, the sealing ring plate and the glue layer are made of the same materials integrally, and the tension spring is lined in a groove of the sealing ring plate.

The utility model has the advantages that: the utility model discloses a circular convex arc piece and separation ring weld in the pipe can lead and right the large-scale pipe that inserts in the pipe, the condition that can not appear colliding with when the pipe of large-scale pipe column is inserted each other takes place, the large-scale pipe that inserts can carry out double seal through gluing edge and seal ring board, the sealed pretightning force between seal ring board and the large-scale pipe can be increased to the extension spring of seal ring board outside, it is sealed effectual; in addition, when carrying out the grout between pipe and the large-scale pipe of inserting inside, grout can carry out primary seal through gluing along gluing, grout can get into the annular intracavity through leading the mouth and promote the trip seat and drive the sealed crown plate and inwards expand, guarantee that the trip seat carries out the third time through the glue film and seal, also make the sealed pretightning force of sealed crown plate increase once more simultaneously, sealed effect is extremely stable, sealed leakage can not appear under the operating mode of pressurization grout during cement grout yet, sealed effect is fabulous.

Drawings

FIG. 1 is a schematic view of the main section structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged schematic view of fig. 2 a according to the present invention;

fig. 4 is an enlarged schematic view of the present invention at B of fig. 1;

fig. 5 is a partial schematic view of fig. 4 of the present invention;

fig. 6 is another partial schematic view of fig. 4 of the present invention;

fig. 7 is a schematic diagram of an embodiment of the invention;

in the figure: the device comprises a guide pipe 1, a circular convex arc block 2, a blocking ring 3, a spiral tooth 31, a metal sealing ring 4, a glue edge 41, a guide opening 42, a ring groove cavity 43, a ring opening 44, a trip seat 5, a glue layer 51, a sealing ring plate 6, a groove 61 and a tension spring 62.

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. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

As an example, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the pre-tightening passive sealing device for a large-scale offshore pipe string is structurally characterized by comprising a conduit 1, wherein a convex circular arc block 2 can be uniformly arranged in the conduit 1, the convex circular arc block 2 can be divided into twelve parts in the conduit 1, a blocking ring 3 can be arranged below the convex circular arc block 2, the blocking ring 3 can be a spiral ring, half of the convex thickness of the convex circular arc block 2 is equal to the convex thickness of the blocking ring 3, the blocking ring 3 can block the mud inflow process during the mud irrigation operation to reduce the flow rate, spiral teeth 31 can be uniformly arranged on the blocking ring 3, the spiral teeth 31 are welded with the blocking ring 3, twelve parts of the spiral teeth 31 and the convex circular arc block 2 which are staggered are distributed in the conduit 1, the spiral teeth 31 and the convex circular arc block 2 can correct the pipe string when the conduit 1 is inserted into the large-scale pipe string, easy grout inflow and make better being connected with separation ring 3 of grout through helical tooth 31 during grout operation simultaneously, the protruding thickness of helical tooth 31 is not more than the protruding thickness of round

convex arc piece

2, and 3 below can be equipped with metal seal ring 4 on the separation ring, and round convex arc piece 2, separation ring 3 and metal seal ring 4 all can with pipe 1 welded connection. The upper end of the metal sealing ring 4 can be provided with a glue rim 41, and the glue rim 41 can be bolted with the metal sealing ring 4. The metal sealing ring 4 can be internally provided with a guide opening 42, a ring groove cavity 43 and a ring opening 44 in sequence, the number of the guide openings 42 can be multiple, the guide openings 42 can be uniformly distributed on the metal sealing ring 4, the guide openings 42 can be communicated with the ring groove cavity 43, the ring opening 44 can be arranged on the inner side of the ring groove cavity 43, and the guide openings 42, the ring groove cavity 43, the ring opening 44 and the metal sealing ring 4 can be integrally manufactured by machining. Can be equipped with in the ring groove chamber 43 and swim the seat 5, swim the seat 5 and can be T shape, swim the seat 5 and stretch out from the collar 44, swim the seat 5 respectively can with ring groove chamber 43 and collar 44 clearance fit, swim the seat 5 outside and can be equipped with the glue film 51, the glue film 51 can be connected with the bonding of swim seat 5, swim the outside glue film 51 of seat 5 and can carry out interference fit or transition fit with ring groove chamber 43 and collar 44 respectively. 5 lower parts of trip seat can be equipped with seal ring board 6, seal ring board 6 can adopt the same rubber materials along 41 with glue film 51 and glue, glue film 51 can be made with seal ring board 6 an organic whole, the seal ring board 6 outside can be provided with concave type slot 61, slot 61 and seal ring board 6 integrated into one piece, can be equipped with extension spring 62 in the slot 61, extension spring 62 can line up and make seal ring board 6 tighten up in the slot 61 of seal ring board 6, increase the pretightning force of the shrink of seal ring board 6, can put into the position of slot 61 with cyclic annular extension spring 62 during the preparation of seal ring board 6 and carry out and go on with seal ring board 6 submerged formula and be connected an organic whole and make.

The utility model discloses an in the embodiment, insert large-scale tubular column in the large-scale pipe 1, large-scale tubular column can lead and right through protruding arc piece 2 of circle and helical tooth 31, in being convenient for large-scale tubular column insert metal seal ring 4 and seal ring board 6, collide bad metal seal ring 4 and seal ring board 6 with pipe 1's pipe wall contact when having avoided large-scale tubular column to insert, the process that large-scale tubular column inserted metal seal ring 4 and seal ring board 6 simultaneously is comparatively smooth and easy, the construction operation of being convenient for. The large-scale tubular column can carry out primary seal through gluing along 41, and the large-scale tubular column can carry out secondary seal through seal ring board 6, and two extension springs 62 outside the seal ring board 6 can strengthen the sealed pretightning force between seal ring board 6 and the large-scale tubular column, and sealed effect is better. When pouring into grout between large-scale tubular column and the pipe 1, the grout of taking the pressure underflow can shelter from through separation ring 3 and slow down, grout seals along 41 and metal seal ring 4 through gluing, grout can flow into ring channel 43 through leading mouthful 42 and promote the removal of trip seat 5, trip seat 5 can take glue film 51 to remove and carry out the sealed of formula of compressing tightly between the junction that makes glue film and seal ring board 6 and the large-scale tubular column, sealed effect is fabulous, the effectual grout of having guaranteed still can carry out stable sealed under the big condition of pressure of pouring into, make sealed effect not receive the influence that grout squeezes into pressure.

The utility model discloses a circular convex arc piece 2 and separation ring 3 weld in pipe 1 can lead and right the large-scale pipe that inserts in pipe 1, the condition that can not appear colliding with when large-scale pipe columnar pipe 1 inserts each other takes place, the large-scale pipe that inserts can carry out double seal through gluing along 41 and seal ring board 6, the extension spring 62 of seal ring board 6 outside can increase the sealed pretightning force between seal ring board 6 and the large-scale pipe, it is sealed effectual; in addition, when conduit 1 and insert when carrying out the grout between the inside large-scale pipe, grout can carry out first seal along 41 through gluing, grout can get into ring channel chamber 43 through guide port 42 and promote the trip seat 5 and drive sealed crown plate 6 and inwards expand, guarantee that trip seat 5 carries out the third time through glue film 51 and seal, also make sealed pretightning force of sealed crown plate 6 increase once more simultaneously, sealed effect is extremely stable, sealed leakage can not appear under the operating mode of pressurization grout during cement grout yet, sealed effect is fabulous.

In other embodiments of the present invention, the sealing ring plate 6 can be directly connected to the conduit 1 by a bolt connection in a press ring type, and the present invention is focused on protecting the sealing structure of the sealing ring plate 6, and obviously, the described embodiments are only a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.

Claims

1. The utility model provides a marine passive sealing device of pretension formula with large-scale tubular column which characterized in that: including the pipe, the inside of pipe is even is equipped with the protruding arc piece of circle, protruding arc piece below is equipped with the separation ring, the even helical tooth that is equipped with on the separation ring, the separation ring below is equipped with the metal seal ring, the metal seal ring upper end is equipped with glues along, be equipped with in the metal seal ring in proper order and lead mouthful, ring groove chamber and ring mouth, the ring inslot is equipped with the trip seat, the trip seat is T shape, the trip seat outside is equipped with the glue film, the trip seat stretches out from the ring mouth, trip seat lower part is equipped with the seal ring board, the seal ring board outside is equipped with the slot, the ditch.

2. The pre-tightened passive sealing device for large offshore pipe strings according to claim 1, wherein: the round convex arc block, the blocking ring and the metal sealing ring are all connected with the guide pipe in a welding mode.

3. The pre-tightened passive sealing device for large offshore pipe strings according to claim 1, wherein: the rubber edge is bolted with the metal sealing ring.

4. The pre-tightened passive sealing device for large offshore pipe strings according to claim 1, wherein: the guide opening, the ring groove cavity, the ring opening and the metal sealing ring are integrally manufactured by machining.

5. The pre-tightened passive sealing device for large offshore pipe strings according to claim 1, wherein: the guide openings are uniformly distributed on the metal sealing ring and communicated with the annular groove cavity, and the annular openings are arranged on the inner side of the annular groove cavity.

6. The pre-tightened passive sealing device for large offshore pipe strings according to claim 1, wherein: the trip seat is in clearance fit with the annular groove cavity and the annular opening respectively, and the glue layer outside the trip seat is in interference fit or transition fit with the annular groove cavity and the annular opening respectively.

7. The pre-tightened passive sealing device for large offshore pipe strings according to claim 1, wherein: the glue layer is connected with the runner seat in an adhesive mode, the sealing ring plate and the glue layer are made of the same material integrally, and the tension spring is lined in a groove of the sealing ring plate.