CN213018218U - Connection protection device for marine riser - Google Patents

Abstract

The utility model discloses a riser connection protection device, including pipe body, connector, stationary blade and fixed cover, two the coaxial setting of pipe body, two stationary blades of cladding on the outer wall of every pipe body, two stationary blades splice each other and form a fixed carrier that has circular inner chamber, and two fixed cover threaded connection respectively are on the outer wall of two fixed carriers to fasten two stationary blades on every pipe body on the outer wall of pipe body, the connector is located between two pipe bodies, and the both ends of connector correspond and two fixed cover between through bolt fixed connection. The utility model discloses it is sealed effectual, simple structure, the loading and unloading of being convenient for, it is reliable to connect, and stability is good, has good sealed effect, and the connector wearability of joint department is good, and elasticity and bending property are good.

Description

Connection protection device for marine riser

The technical field is as follows:

the utility model relates to a marine riser connection protection device.

Background art:

when the marine riser is used, the pipe fitting needs to be lengthened frequently, the existing pipe fitting is complex in connection, disassembly and assembly, poor in connection effect and poor in stability, and sealing is affected in long-term use, so that the prior art is necessarily improved to overcome the defects in the prior art.

The invention content is as follows:

the utility model relates to a solve the problem that above-mentioned prior art exists and provide a marine riser connection protection device.

The utility model discloses the technical scheme who adopts has: the utility model provides a riser connection protection device, includes pipe body, connector, stationary blade and fixed cover, two the coaxial setting of pipe body, two stationary blades of cladding on the outer wall of every pipe body, two stationary blades splice each other and form a fixed carrier that has circular inner chamber, two fixed cover threaded connection respectively are on the outer wall of two fixed carriers, and fasten two stationary blades on every pipe body on the outer wall of pipe body, the connector is located between two pipe bodies, and the both ends of connector correspond and two fixed cover between through bolt fixed connection.

Furthermore, the fixed piece is of an arc piece structure, a frustum is arranged on the outer wall of the fixed piece, and external threads are arranged on the outer wall surface of the fixed piece and located on one side of the frustum.

Furthermore, the axis direction of the fixed sleeve is provided with a fixed hole, the upper end wall of the fixed hole is of an outward-expanding inclined plane structure, and the inclined angle of the inclined plane is the same as the inclined angle of the conical surface of the frustum.

Furthermore, a limiting table is arranged on the inner wall surface of the fixing piece.

Furthermore, the outer wall of the catheter body is provided with a limiting groove matched with the limiting table.

Furthermore, the bottom end of the fixing sleeve is provided with a flange surface.

Further, the connector comprises a flange head and a rubber pipe, and the two flange heads are fixed at the two ends of the rubber pipe.

Further, overhead connecting portion that is equipped with of flange, two flange heads are symmetrical to be arranged, wraps up inner liner, inner rubber layer, enhancement layer and outer rubber layer from inside to outside in proper order on the connecting portion of two flange heads, inner liner, inner rubber layer, enhancement layer and outer rubber layer form the rubber tube jointly through adhesive bonding.

Furthermore, the inner liner is a ceramic sheet, and the reinforcing layer is cord fabric.

The utility model discloses following beneficial effect has:

the utility model discloses it is sealed effectual, simple structure, the loading and unloading of being convenient for, it is reliable to connect, and stability is good, has good sealed effect, and the connector wearability of joint department is good, and elasticity and bending property are good.

Description of the drawings:

fig. 1 is a structural diagram of the present invention.

Fig. 2 is a structural diagram of the fixing sheet of the present invention.

Fig. 3 is a structural diagram of the fixing sleeve of the present invention.

Fig. 4 is a structural diagram of the connector of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model relates to a protection device is connected to marine riser, including pipe body 1, connector 2, stationary blade 3 and fixed cover 4, two coaxial settings of pipe body 1, two stationary blades 3 of cladding on the outer wall of every pipe body 1, two stationary blades 3 splice each other and form a fixed carrier that has circular inner chamber, and pipe body 1 pegs graft in circular inner chamber. Two fixed covers 4 are respectively threaded on the outer walls of two fixed carriers, and fasten two stationary blades 3 on every pipe body 1 on the outer wall of pipe body 1, and connector 2 is located between two pipe bodies 1, and the both ends of connector 2 correspond and pass through bolt fixed connection between two fixed covers 4.

The utility model provides a stationary blade 3 is the circular arc piece structure, is equipped with frustum 31 on the outer wall of stationary blade 3, just is located frustum 31 one side and is equipped with the external screw thread on the outer wall of stationary blade 3.

The axis direction of the fixed sleeve 4 is provided with a fixed hole, and the inner wall of the fixed hole is provided with an internal thread. The upper end wall of the fixing hole is of an outward-expanding inclined surface structure, and the inclined angle of the inclined surface is the same as the inclined angle of the conical surface of the frustum 31.

In order to facilitate the connection reliability between the catheter body 1 and the fixing piece 3, a stopper 32 is provided on the inner wall surface of the fixing piece 3. Correspondingly, a limiting groove 11 matched with the limiting table 32 is arranged on the outer wall of the catheter body 1.

In order to facilitate the fixed connection between the connector 2 and the fixing sleeve 4, a flange face 41 is provided at the bottom end of the fixing sleeve 4, and a flange face is also provided on the connector 2.

The utility model provides a connector 2 includes flange head 21 and rubber tube 22, and two flange heads 21 are fixed at the both ends of rubber tube 22. The flange surface of the flange head 21 is fixedly connected with the flange surface of the fixed sleeve 4 through bolts.

The flange head 21 is provided with a connecting part 211, the two flange heads 21 are symmetrically arranged, the connecting part 211 of the two flange heads 21 is sequentially wrapped with an inner liner 221, an inner rubber layer 222, a reinforcing layer 223 and an outer rubber layer 224 from inside to outside, and the inner liner 221, the inner rubber layer 222, the reinforcing layer 223 and the outer rubber layer 224 are bonded together through glue to form the rubber pipe 22. Wherein the lining layer 221 is a ceramic sheet, and the reinforcing layer 223 is a cord fabric. The connector 2 has good wear resistance, thin pipe wall, good axial expansion and contraction performance and good bending performance.

In order to further ensure the sealing performance at the connector, sealing rings are arranged at corresponding joint surfaces among the catheter body 1, the connector 2, the fixing piece 3 and the fixing sleeve 4.

When using, with the cladding of two stationary blades 3 on the outer wall of pipe body 1, the spacing platform 32 of stationary blade 3 and the spacing recess 11 of pipe body 1 are mutually supported, with fixed cover 4 threaded connection on the outer wall of two stationary blades 3, use the inclined plane on the fixed cover 4 and the conical surface of stationary blade 3 upper cone 31 to mutually support for two stationary blades 3 tightly lock on the outer wall of pipe body 1. Then the connecting head 2 is fixedly connected with the fixing sleeve 4.

The utility model discloses it is sealed effectual, simple structure, the loading and unloading of being convenient for, it is reliable to connect, and stability is good, has good sealed effect, and the connector wearability of joint department is good, and elasticity and bending property are good.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a protection device is connected to marine riser which characterized in that: including pipe body (1), connector (2), stationary blade (3) and fixed cover (4), two pipe body (1) is coaxial to be set up, two stationary blades (3) of cladding on the outer wall of every pipe body (1), two stationary blades (3) splice each other and form a fixed carrier that has circular inner chamber, threaded connection is on the outer wall of two fixed carriers respectively in two fixed covers (4), and fasten two stationary blades (3) on every pipe body (1) on the outer wall of pipe body (1), between two pipe bodies (1) are located in connector (2), and the both ends correspondence of connector (2) and through bolt fixed connection between two fixed covers (4).

2. The riser connection protection device of claim 1, wherein: the fixing piece (3) is of an arc piece structure, a frustum (31) is arranged on the outer wall of the fixing piece (3), and an external thread is arranged on the outer wall surface of the fixing piece (3) and located on one side of the frustum (31).

3. The riser connection protection device of claim 2, wherein: the axis direction of fixed cover (4) is equipped with the fixed orifices, and the upper end wall of fixed orifices is the inclined plane structure that expands outward, and the inclination on inclined plane is the same with the conical surface inclination of frustum (31).

4. The riser connection protection device of claim 2, wherein: and a limiting table (32) is arranged on the inner wall surface of the fixing piece (3).

5. The riser connection protection device of claim 4, wherein: the outer wall of the catheter body (1) is provided with a limiting groove (11) matched with the limiting table (32).

6. The riser connection protection device of claim 1, wherein: the bottom end of the fixed sleeve (4) is provided with a flange surface (41).

7. The riser connection protection device of claim 1, wherein: the connector (2) comprises a flange head (21) and a rubber pipe (22), and the two ends of the rubber pipe (22) are fixed by the flange head (21).

8. The riser connection protection device of claim 7, wherein: be equipped with connecting portion (211) on flange head (21), two flange heads (21) symmetrical arrangement wrap up inner liner (221), inner rubber layer (222), enhancement layer (223) and outer rubber layer (224) from inside to outside in proper order on connecting portion (211) of two flange heads (21), inner liner (221), inner rubber layer (222), enhancement layer (223) and outer rubber layer (224) constitute rubber tube (22) jointly through the sticky joint.

9. The riser connection protection device of claim 8, wherein: the inner liner (221) is a ceramic sheet, and the reinforcing layer (223) is a cord fabric.

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