Guide sleeve for underwater insertion of drill conductor

Abstract

The utility model discloses a guide sleeve for underwater insertion of a drill conductor, which comprises a first semicircular pipe and a second semicircular pipe, the first semicircular pipe is provided with a first connecting piece, the second semicircular pipe is provided with a second connecting piece, and the first connecting piece is connected with the second connecting piece. The first semicircular pipe and the second semicircular pipe are arranged on the flange in a butt joint mode, the first semicircular pipe and the second semicircular pipe are perpendicularly arranged on the flange, limiting blocks are arranged in the first semicircular pipe and the second semicircular pipe, and the limiting blocks abut against the drill conductor so that the drill conductor can be perpendicularly arranged in the first semicircular pipe and the second semicircular pipe. After the guide sleeve for inserting the drill conductor underwater is installed, the first semicircular pipe and the second semicircular pipe can be recycled and reused by disconnecting the first connecting piece and the second connecting piece. The device is small in size and convenient to disassemble, the construction difficulty is greatly reduced, and the construction risk and the project cost are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of marine engineering, and particularly relates to a guide sleeve for inserting an underwater watertight casing. Background Art

[0002] At present, the watertight casing installed on the conductor frame can be installed underwater by relying on the watertight casing guide layers at the top, middle and bottom of the conductor frame, and the watertight casing is hoisted and placed by a conventional crane ship.

[0003] However, the height of the underwater production system is limited, and generally only one layer of wellhead guide is designed on the base plate. When using a conventional crane ship to install the watertight casing, relying solely on this structure cannot guarantee the free standing of the watertight casing and the verticality requirements of the installation.

[0004] Therefore, it is urgent to design a guide sleeve for underwater insertion of the waterproof casing to solve the above-mentioned problems of free standing and installation verticality of the waterproof casing. Utility Model Content

[0005] In order to solve the technical problems of free standing and installation verticality of the waterproof casing mentioned in the background technology, a guide sleeve for underwater insertion of the waterproof casing is provided to solve the problem of free standing and vertical installation of the waterproof casing.

[0006] In order to achieve the above-mentioned purpose, the specific technical scheme of the guide sleeve of the underwater waterproof casing of the utility model is as follows:

[0007] A guide sleeve for underwater insertion of a watertight casing comprises a first semicircular tube and a second semicircular tube. The first semicircular tube is provided with a first connecting piece, and the second semicircular tube is provided with a second connecting piece. The first connecting piece is connected to the second connecting piece to butt the first semicircular tube and the second semicircular tube. The first semicircular tube and the second semicircular tube are vertically arranged on a flange. Limit blocks are provided in the first semicircular tube and the second semicircular tube. The limit blocks abut against the watertight casing so that the watertight casing is vertically arranged in the first semicircular tube and the second semicircular tube.

[0008] Furthermore, the flange includes a first flange and a second flange, a first semicircular tube is vertically arranged on the first flange, a second semicircular tube is vertically arranged on the second flange, and the first flange and the second flange are screwed to the base so that the first semicircular tube and the second semicircular tube are vertically arranged on the base.

[0009] Furthermore, a first bell mouth is provided at one end of the first semicircular tube away from the first flange, and a second bell mouth is provided at one end of the second semicircular tube away from the second flange. The first semicircular tube and the second semicircular tube are butt-jointed so that the first bell mouth and the second bell mouth are matched and connected, and the waterproof casing is inserted from one side of the first bell mouth and the second bell mouth.

[0010] Furthermore, the first semicircular tube and the second semicircular tube are provided with a first bell mouth and one end of the second bell mouth is respectively provided with a plurality of spaced limit blocks, and the plurality of limit blocks are vertically arranged on the inner walls of the first semicircular tube and the second semicircular tube so that the plurality of limit blocks are respectively abutted against the watertight casing.

[0011] Furthermore, the first connecting member includes a first ear plate and a second ear plate, the first ear plate is arranged on the outer wall of one end of the first semicircular tube having the first bell mouth, the second ear plate is arranged on the first flange, and the second ear plate is connected to the outer wall of the first semicircular tube.

[0012] Furthermore, the second connecting member includes a third ear plate and a fourth ear plate, the third ear plate is arranged on the outer wall of one end of the second semicircular tube having the second bell mouth, the fourth ear plate is arranged on the second flange, and the fourth ear plate is connected to the outer wall of the second semicircular tube.

[0013] Further, the first ear plate and the third ear plate are screwed together by a first bolt, and the second ear plate and the fourth ear plate are screwed together by a second bolt, so that the first semicircular tube and the second semicircular tube are butted against each other.

[0014] Furthermore, the outer walls of the first semicircular tube and the second semicircular tube are symmetrically provided with lifting ears.

[0015] Furthermore, the first semicircular tube and the first flange are connected by a plurality of first support plates, and the first support plates support the first semicircular tube and are vertically arranged on the first flange.

[0016] Furthermore, the second semicircular tube and the second flange are connected by a plurality of second support plates, and the second support plates support the second semicircular tube and are vertically arranged on the second flange.

[0017] The guide sleeve for underwater waterproof casing insertion of the utility model has the following advantages:

[0018] By docking the first semicircular tube and the second semicircular tube vertically arranged on the flange, the watertight sleeve is inserted into the first semicircular tube and the second semicircular tube, and abutted against the limiting blocks inside the first semicircular tube and the second semicircular tube, so that the watertight sleeve is arranged vertically. After the installation of the watertight sleeve is completed, the first semicircular tube and the second semicircular tube can be disconnected from the connection between the first connecting piece and the second connecting piece, and the first semicircular tube and the second semicircular tube can be recovered for reuse. The present application is compact in size and easy to disassemble, which greatly reduces the difficulty of construction, construction risks and project costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the guide sleeve for inserting the underwater waterproof casing of the utility model;

[0020] Figure 2 It is a three-dimensional diagram of the first semicircular tube of the guide sleeve for underwater waterproof casing insertion of the utility model;

[0021] Figure 3It is a stereoscopic view of the second semicircular tube of the guide sleeve for underwater waterproof casing insertion of the utility model.

[0022] Description of the markings in the figure:

[0023] 1. First semicircular tube; 2. Second semicircular tube; 3. Limit block; 4. First flange; 5. Second flange; 6. First bell mouth; 7. Second bell mouth; 8. First ear plate; 9. Second ear plate; 10. Third ear plate; 11. Fourth ear plate; 12. Lifting ear; 13. First support plate; 14. Second support plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0025] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0026] Please refer to the attached Figure 1 To Attachment Figure 3 The utility model describes a guide sleeve for inserting an underwater watertight casing.

[0027] like Figure 1As shown, the guide sleeve for underwater waterproof casing insertion in the utility model comprises a first semicircular tube 1 and a second semicircular tube 2, the first semicircular tube 1 is provided with a first connecting piece, the second semicircular tube 2 is provided with a second connecting piece, the first connecting piece is connected with the second connecting piece to dock the first semicircular tube 1 and the second semicircular tube 2, the first semicircular tube 1 and the second semicircular tube 2 are vertically arranged on the flange, and the first semicircular tube 1 and the second semicircular tube 2 are both provided with a limit block 3, the limit block 3 abuts against the waterproof casing, so that the waterproof casing is vertically arranged in the first semicircular tube 1 and the second semicircular tube 2. By docking the first semicircular tube 1 and the second semicircular tube 2 vertically arranged on the flange, the waterproof casing is inserted into the first semicircular tube 1 and the second semicircular tube 2, and abuts against the limit block 3 in the first semicircular tube 1 and the second semicircular tube 2, so that the waterproof casing is vertically arranged. After the waterproof casing is installed, the first semicircular tube 1 and the second semicircular tube 2 can be recovered and reused by disconnecting the connection between the first connecting piece and the second connecting piece. This application is small in size and easy to disassemble, which greatly reduces the construction difficulty, construction risks and project costs.

[0028] Further, if Figure 1 and Figure 2 As shown, the flange includes a first flange 4 and a second flange 5, a first semicircular tube 1 is vertically provided on the first flange 4, and a second semicircular tube 2 is vertically provided on the second flange 5, the first flange 4 and the second flange 5 are screwed with the base so that the first semicircular tube 1 and the second semicircular tube 2 are vertically arranged on the base; the first semicircular tube 1 is provided with a first bell mouth 6 at one end away from the first flange 4, and the second semicircular tube 2 is provided with a second bell mouth 7 at one end away from the second flange 5, the first semicircular tube 1 and the second semicircular tube 2 are butt-jointed so that the first bell mouth 6 and the second bell mouth 7 are matched and connected, and the watertight casing is inserted from one side of the first bell mouth 6 and the second bell mouth 7; the first semicircular tube 1 and the second semicircular tube 2 are provided with a plurality of spaced limit blocks 3 at one end of the first bell mouth 6 and the second bell mouth 7, respectively, and the plurality of limit blocks 3 are vertically arranged on the inner walls of the first semicircular tube 1 and the second semicircular tube 2 so that the plurality of limit blocks 3 are respectively abutted against the watertight casing.

[0029] In this embodiment, the first semicircular tube 1 and the second semicircular tube 2 are installed on land with the first flange 4 and the second flange 5, and the verticality of the first semicircular tube 1 and the second semicircular tube 2 and the first flange 4 and the second flange 5 is adjusted. The first semicircular tube 1 and the second semicircular tube 2 are hoisted, and the first flange 4 and the second flange 5 are placed on the base and screwed together by bolts. A through hole is opened in the middle of the base, and corresponds to the circular hole formed by the first semicircular tube 1 and the second semicircular tube 2.

[0030] The base, the first semicircular tube 1 and the second semicircular tube 2 are installed as a whole underwater, and the watertight casing is lifted and inserted from one end of the first bell mouth 6 and the second bell mouth 7. The bell-shaped ports facilitate the insertion of the watertight casing into the first semicircular tube 1 and the second semicircular tube 2, saving time. A plurality of limit blocks 3 are evenly distributed on the inner wall of the first semicircular tube 1 and the second semicircular tube 2, and the spacing between the limit blocks 3 is the same. The outer wall of the watertight casing abuts against the plurality of limit blocks 3, which plays a limiting role on the watertight casing, so that the watertight casing is stably and vertically arranged in the first semicircular tube 1 and the second semicircular tube 2.

[0031] Further, if Figure 2 and Figure 3 As shown, the first connecting member includes a first ear plate 8 and a second ear plate 9, the first ear plate 8 is arranged on the outer wall of the end of the first semicircular tube 1 provided with a first bell mouth 6, the second ear plate 9 is arranged on the first flange 4, and the second ear plate 9 is connected to the outer wall of the first semicircular tube 1; the second connecting member includes a third ear plate 10 and a fourth ear plate 11, the third ear plate 10 is arranged on the outer wall of the end of the second semicircular tube 2 provided with a second bell mouth 7, the fourth ear plate 11 is arranged on the second flange 5, and the fourth ear plate 11 is connected to the outer wall of the second semicircular tube 2; the first ear plate 8 and the third ear plate 10 are screwed together by a first bolt, and the second ear plate 9 and the fourth ear plate 11 are screwed together by a second bolt, so that the first semicircular tube 1 and the second semicircular tube 2 are connected.

[0032] In this embodiment, the first ear plate 8 and the third ear plate 10 are of the same structure, and are welded to the outer walls of the first semicircular tube 1 and the second semicircular tube 2, respectively, and are close to the first bell mouth 6 and the second bell mouth 7. The second ear plate 9 and the fourth ear plate 11 are of the same structure, and are welded to the first flange 4 and the second flange 5, respectively. One side of the second ear plate 9 and the fourth ear plate 11 are welded to the first semicircular tube 1 and the second semicircular tube 2, respectively. The first ear plate 8 and the third ear plate 10 are screwed together by the first bolt, and the second ear plate 9 and the fourth ear plate 11 are screwed together by the second bolt, so that the first semicircular tube 1 and the second semicircular tube 2 are connected to form a circle, and it is convenient to remove the first semicircular tube 1 and the second semicircular tube 2 after the waterproof casing operation is completed, so as to facilitate recycling and reuse.

[0033] Further, if Figure 3As shown, the outer walls of the first semicircular tube 1 and the second semicircular tube 2 are symmetrically provided with lifting ears 12; the first semicircular tube 1 and the first flange 4 are connected by a plurality of first support plates 13, and the first support plates 13 support the first semicircular tube 1 and are vertically arranged on the first flange 4; the second semicircular tube 2 and the second flange 5 are connected by a plurality of second support plates 14, and the second support plates 14 support the second semicircular tube 2 and are vertically arranged on the second flange 5. In this embodiment, the first semicircular tube 1 and the second semicircular tube 2 are conveniently lowered and recovered by connecting the lifting ears 12 on the first semicircular tube 1 and the second semicircular tube 2 through the hanging arm. A plurality of first support plates 13 and a second support plate 14 are respectively provided at one end of the first semicircular tube 1 and the second semicircular tube 2 vertically connected to the first flange 4 and the second flange 5, and the plurality of first support plates 13 and the second support plates 14 are vertically welded to the first flange 4 and the second flange 5, and are connected to the first semicircular tube 1 and the second semicircular tube 2, so that the vertical relationship between the first semicircular tube 1 and the second semicircular tube 2 and the first flange 4 and the second flange 5 is stable.

[0034] The working principle of the guide sleeve of the underwater waterproof casing in the utility model is as follows:

[0035] On land, the first semicircular tube 1 and the second semicircular tube 2 are vertically connected with the first flange 4 and the second flange 5, the first flange 4 and the second flange 5 are fixed to the base by bolts, and the verticality of the first semicircular tube 1 and the second semicircular tube 2 is adjusted; the first semicircular tube 1 and the second semicircular tube 2 are lifted, so that the first semicircular tube 1, the second semicircular tube 2 and the base are installed as a whole underwater, the watertight casing is lifted and inserted from one end of the first bell mouth 6 and the second bell mouth 7, and the watertight casing is vertically driven into the preset position through the through hole of the base with a pile hammer; the first semicircular tube 1 and the second semicircular tube 2 are dismantled and recovered.

[0036] Based on the guide sleeve for inserting the waterproof casing underwater, the utility model connects the first semicircular tube 1 and the second semicircular tube 2 vertically arranged on the flange, inserts the waterproof casing into the first semicircular tube 1 and the second semicircular tube 2, and abuts against the limiting blocks 3 inside the first semicircular tube 1 and the second semicircular tube 2, so that the waterproof casing is arranged vertically. After the waterproof casing is installed, the first semicircular tube 1 and the second semicircular tube 2 can be recovered and reused by disconnecting the connection between the first connecting piece and the second connecting piece. The present application is compact and easy to disassemble, which greatly reduces the difficulty of construction, construction risks and project costs.

[0037] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A guide sleeve for inserting an underwater waterproof casing, characterized in that: It includes a first semicircular tube and a second semicircular tube, the first semicircular tube is provided with a first connecting piece, the second semicircular tube is provided with a second connecting piece, the first connecting piece is connected to the second connecting piece to connect the first semicircular tube and the second semicircular tube, the first semicircular tube and the second semicircular tube are vertically arranged on the flange, and the first semicircular tube and the second semicircular tube are both provided with limiting blocks, the limiting blocks are abutted against the watertight casing, so that the watertight casing is vertically arranged in the first semicircular tube and the second semicircular tube.

2. The guide sleeve for underwater waterproof casing insertion according to claim 1, characterized in that: The flange includes a first flange and a second flange. The first flange is vertically provided with a first semicircular tube, and the second flange is vertically provided with a second semicircular tube. The first flange and the second flange are screwed to the base so that the first semicircular tube and the second semicircular tube are vertically provided on the base.

3. The guide sleeve for underwater waterproof casing insertion according to claim 2, characterized in that: The first semicircular tube is provided with a first bell mouth at one end away from the first flange, and the second semicircular tube is provided with a second bell mouth at one end away from the second flange. The first semicircular tube and the second semicircular tube are butt-jointed so that the first bell mouth and the second bell mouth are matched and connected, and the waterproof casing is inserted from one side of the first bell mouth and the second bell mouth.

4. The guide sleeve for underwater waterproof casing insertion according to claim 3 is characterized in that: The first semicircular tube and the second semicircular tube are provided with a first bell mouth and a plurality of spaced limit blocks are respectively provided at one end of the second bell mouth, and the plurality of limit blocks are vertically arranged on the inner walls of the first semicircular tube and the second semicircular tube so that the plurality of limit blocks are respectively in contact with the watertight casing.

5. The guide sleeve for underwater waterproof casing insertion according to claim 1, characterized in that: The first connecting member includes a first ear plate and a second ear plate. The first ear plate is arranged on the outer wall of one end of the first semicircular tube having the first bell mouth, and the second ear plate is arranged on the first flange. The second ear plate is connected to the outer wall of the first semicircular tube.

6. The guide sleeve for underwater waterproof casing insertion according to claim 1, characterized in that: The second connecting member includes a third ear plate and a fourth ear plate. The third ear plate is arranged on the outer wall of one end of the second semicircular tube having the second bell mouth. The fourth ear plate is arranged on the second flange. The fourth ear plate is connected to the outer wall of the second semicircular tube.

7. The guide sleeve for underwater waterproof casing insertion according to claim 5, characterized in that: The first ear plate and the third ear plate are screwed together by a first bolt, and the second ear plate and the fourth ear plate are screwed together by a second bolt, so that the first semicircular tube and the second semicircular tube are butted against each other.

8. The guide sleeve for underwater waterproof casing insertion according to claim 7, characterized in that: The first semicircular tube and the second semicircular tube are symmetrically provided with lifting ears on their outer walls.

9. The guide sleeve for underwater waterproof casing insertion according to claim 8, characterized in that: The first semicircular tube and the first flange are connected by a plurality of first support plates, and the first support plates support the first semicircular tube and are vertically arranged on the first flange.

10. The guide sleeve for underwater waterproof casing insertion according to claim 8, characterized in that: The second semicircular tube and the second flange are connected by a plurality of second support plates, and the second support plates support the second semicircular tube and are vertically arranged on the second flange.

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