Backpack type clamp for installing marine riser

Abstract

The utility model relates to the technical field of marine riser fixing, in particular to a backpack type clamp for installing a marine riser, which comprises a pair of U-shaped buckles sleeved on an old riser, a connecting seat and an arc-shaped buckle for fixing a new riser, one end of the U-shaped buckle is fixed to the left end of the lower side of the connecting base through a first locking piece, and the other end of the U-shaped buckle is fixed to the right end of the lower side of the connecting base through a second locking piece. One end of the arc-shaped buckle is fixed to the left end of the upper side of the connecting base through a third locking piece, and the other end of the arc-shaped buckle is fixed to the right end of the upper side of the connecting base through a fourth locking piece. According to the backpack type clamp for installing the marine riser, the old riser is tightly held through the U-shaped buckles, then the new riser is fixed through the arc-shaped buckles, the structure is simple, a diver can conveniently install the backpack type clamp, and comprehensive economy is good.

Description

Technical Field

[0001] The utility model relates to the technical field of marine riser fixing, and particularly relates to a backpack type fixture for installing marine risers. Background Art

[0002] With the continuous increase in the production and development of marine oil and gas resources, relying on existing oil and gas resource development facilities is very crucial, which can significantly improve the economic efficiency of development. The development method relying on old platforms is the current mainstream method, which can transport newly discovered resources to existing facilities for processing. To transport newly developed oil and gas resources to existing platforms, it is necessary to newly install risers on the platforms. Generally, divers use steel fixtures that can adjust the angle and are fixed on the jacket columns underwater. The steel riser fixtures need to clean the marine organisms on the pile legs, and at the same time, the structural dimensions need to be strictly controlled, and the installation accuracy requirements are high, resulting in a long underwater installation and adjustment time. Content of the Utility Model

[0003] The purpose of the utility model is to provide a backpack type fixture for installing marine risers.

[0004] The utility model provides the following technical solutions:

[0005] The utility model provides a backpack type fixture for installing marine risers, which includes a pair of U-shaped buckles for sleeving on old risers, a connecting seat, and an arc-shaped buckle for fixing a new riser; one end of the U-shaped buckle is fixed to the left end of the lower side of the connecting seat through a first locking member, and the other end of the U-shaped buckle is fixed to the right end of the lower side of the connecting seat through a second locking member; one end of the arc-shaped buckle is fixed to the left end of the upper side of the connecting seat through a third locking member, and the other end of the arc-shaped buckle is fixed to the right end of the upper side of the connecting seat through a fourth locking member.

[0006] Further, the connecting seat includes a base plate and a pair of guiding connecting plates fixed on the upper surface of the base plate. The guiding connecting plates are symmetrically arranged and open upward. One end of the arc-shaped buckle is fixed to the left guiding connecting plate through a third locking member, and the other end of the arc-shaped buckle is fixed to the right guiding connecting plate through a fourth locking member.

[0007] Further, a plurality of reinforcing ribs are arranged on the base plate. The reinforcing ribs are parallel to the U-shaped buckle and penetrate through the base plate. A lower arc-shaped flexible pad is arranged on the lower surface of the base plate, and the lower arc-shaped flexible pad is arranged between adjacent reinforcing ribs.

[0008] Further, an upper arc-shaped flexible pad is arranged on the upper surface of the base plate; the upper arc-shaped flexible pad is arranged between adjacent reinforcing ribs and is between the guiding connecting plates.

[0009] Furthermore, the connecting seat is provided with a mounting hole for fixing the U-shaped buckle.

[0010] Furthermore, a mounting notch for fixing the arc-shaped buckle is provided on the upper portion of the guide connecting plate.

[0011] Furthermore, the U-shaped buckle includes a pair of symmetrically arranged vertical rods and a U-shaped plate, and the U-shaped plate is fixed on the inner side of the vertical rods.

[0012] Furthermore, the arc-shaped buckle includes a pair of symmetrically arranged oblique rods and an arc-shaped plate, and the arc-shaped plate is fixed on the inner side of the oblique rods.

[0013] Furthermore, the first locking member, the second locking member, the third locking member, and the fourth locking member are all fastening nuts.

[0014] Compared with the prior art, the utility model provides a backpack clamp for installing marine risers, which has a simple structure, is convenient for divers to install, and has good overall economic efficiency. The utility model clamps the old riser with a U-shaped buckle and then fixes the new riser with an arc-shaped buckle; the arc-shaped flexible pad is close to the riser to achieve a shock-absorbing effect, while making the connection of the riser more secure, and the arc-shaped flexible pad can adapt to certain pipeline size deviations, without the need for fine repairs to the existing structure, while reducing the wear of the contact portion between the riser and the connecting seat, further ensuring the safety of the riser operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model.

[0016] Figure 2 Schematic diagram of the connecting seat structure.

[0017] Figure 3 It is a schematic diagram of the practical application structure of the utility model.

[0018] Figure 4 It is a front schematic diagram of the practical application of the utility model.

[0019] In the figure, 00-old vertical pipe; 01-new vertical pipe; 1-U-shaped buckle; 101-vertical rod; 102-U-shaped plate; 2-connecting seat; 21-base plate; 22-guide connecting plate; 23-mounting hole; 24-mounting slot; 3-arc buckle; 301-diagonal rod; 302-arc plate; 4-first locking piece; 5-second locking piece; 6-third locking piece; 7-fourth locking piece; 8-reinforcing rib; 9-upper arc flexible pad; 10-lower arc flexible pad. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Refer to Figure 3 and Figure 4 In an embodiment of the present utility model, a backpack-type fixture for installing a marine riser is proposed, which includes a pair of U-shaped buckles 1 for sleeving on an old riser 00, a connecting seat 2, and an arc-shaped buckle 3 for fixing a new riser 01; one end of the U-shaped buckle 1 is fixed to the left end of the lower side of the connecting seat 2 through a first locking member 4, and the other end of the U-shaped buckle 1 is fixed to the right end of the lower side of the connecting seat 2 through a second locking member 5; one end of the arc-shaped buckle 3 is fixed to the left end of the upper side of the connecting seat 2 through a third locking member 6, and the other end of the arc-shaped buckle 3 is fixed to the right end of the upper side of the connecting seat 2 through a fourth locking member 7; in practical applications, the U-shaped buckle 1 is sleeved on the old riser 00 and locked to the connecting seat 2 through the first locking member 4 and the second locking member 5, and the arc-shaped buckle 3 is sleeved on the new riser 01 and fixed to the connecting seat 2 through the third locking member 6 and the fourth locking member 7.

[0022] Refer to Figure 2 and Figure 4 In an embodiment of the present utility model, the connecting seat 2 includes a base plate 21 and a pair of guiding connecting plates 22 fixed on the upper surface of the base plate 21. The guiding connecting plates 22 are symmetrically arranged and open upward. One end of the arc-shaped buckle 3 is fixed to the left guiding connecting plate 22 through a third locking member 6, and the other end of the arc-shaped buckle 3 is fixed to the right guiding connecting plate 22 through a fourth locking member 7; by designing the guiding connecting plates that open upward to form a V-shaped saddle structure, it is beneficial for the new riser 01 to enter the connecting seat 2 and is conducive to the installation and fixation of the new riser 01.

[0023] Refer to Figure 1 or Figure 4 In the above embodiment, a plurality of reinforcing ribs 8 are provided on the base plate 21. The reinforcing ribs 8 are parallel to the U-shaped buckle 1 and penetrate through the base plate 21. A lower arc-shaped flexible pad 10 is provided on the lower surface of the base plate 21. The lower arc-shaped flexible pad 10 is arranged between adjacent reinforcing ribs 8; the lower arc-shaped flexible pad 10 is made by casting polyurethane elastomer or other polymer materials, which is wear-resistant and can prevent damage to the old riser 00 and the connecting seat 2.

[0024] Please continue to refer to Figure 1 or Figure 4 In the above embodiment, an upper arc-shaped flexible pad 9 is provided on the upper surface of the base plate 21; the upper arc-shaped flexible pad 9 is arranged between adjacent reinforcing ribs 8 and is located between the guiding connecting plates 22; the upper arc-shaped flexible pad 9 is made by casting polyurethane elastomer or other polymer materials, which is wear-resistant and can prevent damage to the new riser 01 and the connecting seat 2.

[0025] Refer toFigure 2 , in an embodiment of the present utility model, the connecting seat 2 is provided with mounting holes 23 for fixing the U-shaped buckle 1; this facilitates fixing the U-shaped buckle 1 on the connecting seat 2.

[0026] Please continue to refer to Figure 2 , in an embodiment of the present utility model, the upper part of the guiding connecting plate 22 is provided with mounting slots 24 for fixing the arc-shaped buckle 3; this facilitates adjusting the position of the arc-shaped buckle 3 to adapt to the use of new risers 01 of multiple sizes.

[0027] Refer to Figure 1 , in an embodiment of the present utility model, the U-shaped buckle 1 includes a pair of symmetrically arranged vertical rods 101 and a U-shaped plate 102, and the U-shaped plate 102 is fixed inside the vertical rods 101; the vertical rods 101 are screw rods, and the U-shaped plate 102 is a U-shaped steel strip, which facilitates adjustment, fitting, and fixing according to the size of the old riser 00.

[0028] Please continue to refer to Figure 1 , in an embodiment of the present utility model, the arc-shaped buckle 3 includes a pair of symmetrically arranged inclined rods 301 and an arc-shaped plate 302, and the arc-shaped plate 302 is fixed inside the inclined rods 301; the inclined rods 301 are screw rods, and the arc-shaped plate 302 is an arc-shaped steel strip, which facilitates adjustment, fitting, and fixing according to the size of the new riser 01.

[0029] Refer to Figure 1 and Figure 4 , in an embodiment of the present utility model, the first locking member 4, the second locking member 5, the third locking member 6, and the fourth locking member 7 are all fastening nuts; the U-shaped buckle 1 and the arc-shaped buckle 3 are fixed on the connecting seat 2 through the fastening nuts.

[0030] In practical applications, the U-shaped buckle 1 is sleeved on the old riser 00, the vertical rods 101 pass through the mounting holes 23, and are locked and fixed on the connecting seat 2 with fastening nuts; the new riser 01 is moved between the guiding connecting plates 22, the arc-shaped buckle 3 is sleeved on the new riser 01, the inclined rods pass through the mounting slots 24, and are locked and fixed on the connecting seat 2 with fastening nuts.

[0031] The embodiments of the present utility model are given for the purposes of illustration and description. Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A backpack fixture for installing a marine riser, characterized in that: It includes a pair of U-shaped clips for being mounted on the old vertical pipe, a connecting seat and an arc-shaped clip for fixing the new vertical pipe; one end of the U-shaped clip is fixed to the left end portion of the lower side of the connecting seat via a first locking piece, and the other end of the U-shaped clip is fixed to the right end portion of the lower side of the connecting seat via a second locking piece; one end of the arc-shaped clip is fixed to the left end portion of the upper side of the connecting seat via a third locking piece, and the other end of the arc-shaped clip is fixed to the right end portion of the upper side of the connecting seat via a fourth locking piece.

2. A backpack fixture for installing a marine riser according to claim 1, characterized in that: The connecting seat includes a base plate and a pair of guide connecting plates fixed on the upper surface of the base plate, the guide connecting plates are symmetrically arranged and open upward, one end of the arc-shaped buckle is fixed to the guide connecting plate on the left side through a third locking member, and the other end of the arc-shaped buckle is fixed to the guide connecting plate on the right side through a fourth locking member.

3. A backpack fixture for installing a marine riser according to claim 2, characterized in that: The base plate is provided with a plurality of reinforcing ribs, the reinforcing ribs are parallel to the U-shaped buckles and pass through the base plate, and the lower surface of the base plate is provided with a lower arc-shaped flexible pad, and the lower arc-shaped flexible pad is arranged between adjacent reinforcing ribs.

4. A backpack fixture for installing a marine riser according to claim 3, characterized in that: An upper arc-shaped flexible pad is disposed on the upper surface of the base plate; the upper arc-shaped flexible pad is disposed between adjacent reinforcing ribs and between the guide connecting plates.

5. A backpack fixture for installing a marine riser according to claim 1, characterized in that: The connecting seat is provided with a mounting hole for fixing the U-shaped buckle.

6. A backpack fixture for installing a marine riser according to claim 2, characterized in that: The upper part of the guide connecting plate is provided with a mounting notch for fixing the arc-shaped buckle.

7. A backpack fixture for installing a marine riser according to claim 1, characterized in that: The U-shaped buckle comprises a pair of symmetrically arranged vertical rods and a U-shaped plate, and the U-shaped plate is fixed on the inner side of the vertical rods.

8. The backpack fixture for installing a marine riser according to claim 1, characterized in that: The arc buckle comprises a pair of symmetrically arranged oblique rods and an arc plate, and the arc plate is fixed on the inner side of the oblique rods.

9. The backpack fixture for installing a marine riser according to claim 1, characterized in that: The first locking piece, the second locking piece, the third locking piece and the fourth locking piece are all fastening nuts.

Images