阅读说明：本技术 一种艉管及船舶 (Stern tube and ship ) 是由 麦豪锐 刘飞 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种艉管及船舶,属于船舶技术领域。所述艉管包括筒体、第一盖板及隔层组件,筒体开设有工艺孔；第一盖板能够焊接于所述筒体,且所述第一盖板能够封堵所述工艺孔；隔层组件设置于所述筒体内,所述隔层组件能够封堵所述工艺孔,所述隔层组件包括安装架和第二盖板,所述安装架固定设置于所述筒体,所述安装架上设有人孔,所述第二盖板能够封堵所述人孔,且所述第二盖板可拆卸连接于所述安装架上。所述船舶包括上述的艉管。本发明的艉管及船舶,通过设置隔层组件,能够避免焊渣落入艉管内部,能够在艉管内部施工前进行水密测试。(The invention discloses a stern tube and a ship, and belongs to the technical field of ships. The stern tube comprises a cylinder body, a first cover plate and an interlayer assembly, and the cylinder body is provided with a fabrication hole; the first cover plate can be welded to the cylinder body and can seal the process hole; the interlayer subassembly set up in the barrel, the interlayer subassembly can the shutoff the fabrication hole, the interlayer subassembly includes mounting bracket and second apron, the mounting bracket is fixed set up in the barrel, be equipped with the manhole on the mounting bracket, the second apron can the shutoff the manhole, just the second apron can dismantle connect in on the mounting bracket. The ship comprises the stern tube. According to the stern tube and the ship, the interlayer assembly is arranged, so that welding slag can be prevented from falling into the stern tube, and a watertight test can be performed before the inside of the stern tube is constructed.)

1. A stern tube, comprising:

the cylinder body (1) is provided with a fabrication hole;

the first cover plate (2) can be welded to the cylinder body (1), and the first cover plate (2) can seal the process hole;

interlayer subassembly (3), set up in barrel (1), interlayer subassembly (3) can the shutoff the fabrication hole, interlayer subassembly (3) are including mounting bracket (31) and second apron (32), mounting bracket (31) fixed set up in barrel (1), be equipped with manhole (3111) on mounting bracket (31), second apron (32) can the shutoff manhole (3111), just second apron (32) can dismantle connect in on mounting bracket (31).

2. The stern tube as claimed in claim 1, wherein the mounting bracket (31) comprises a seat plate (311) fixedly arranged on the cylinder (1), the seat plate (311) is arranged at a distance from the first cover plate (2), the manhole (3111) is arranged on the seat plate (311), the second cover plate (32) is detachably connected to the seat plate (311) and can block the manhole (3111).

3. The stern tube as claimed in claim 2, wherein the mounting bracket (31) further comprises two side sealing plates (312), the two side sealing plates (312) are arranged along the length direction of the cylinder (1), one end of the side sealing plate (312) is welded to the seat plate (311) and the other end is welded to the cylinder (1).

4. The stern tube as claimed in claim 2, wherein the diaphragm assembly (3) further comprises a sealing gasket (34), the sealing gasket (34) being arranged between the second cover plate (32) and the seat plate (311).

5. The stern tube as claimed in claim 2, wherein the diaphragm assembly (3) further comprises a fastener (33), the seat plate (311) being connected with the second cover plate (32) by the fastener (33).

6. The stern tube as claimed in any of claims 1 to 5, wherein the second cover plate (32) is provided with a handle (321).

7. The stern tube as claimed in any one of claims 1 to 5, wherein the cylindrical body (1) is further provided with a bleeder hole, the stern tube further comprises a bleeder cover plate (5) and a bleeder plug (6), both the bleeder cover plate (5) and the bleeder plug (6) are capable of sealing the bleeder hole, the bleeder plug (6) is capable of being welded to the cylindrical body (1), and the bleeder cover plate (5) is welded to the outside of the cylindrical body (1) for protecting the bleeder plug (6).

8. The stern tube as claimed in any of claims 1-5, wherein the outer surface of the first cover plate (2) is flush with the outer surface of the cylinder (1).

9. The stern tube as claimed in any of claims 1 to 5, wherein the cross-sectional area of the manhole (3111) is not larger than the cross-sectional area of the fabrication hole.

10. A marine vessel comprising a hull and a stern tube as claimed in any one of claims 1 to 9, said stern tube being arranged on said hull.

Technical Field

The invention relates to the technical field of ships, in particular to a stern tube and a ship.

Background

The stern tube is a section of complete cylinder, and the cylinder is provided with a fabrication hole so as to facilitate construction. During construction, firstly, constructors enter the stern tube to complete the installation work of accessories such as a bearing, a tube bracket, an oil tube and the like in the stern tube; then, the auxiliary shaft penetration can be carried out by utilizing the fabrication holes in the shaft penetration process, so that the damage to the shaft or accessories in the stern tube is avoided; and finally, closing the process hole. In the later maintenance process, if the stern tube needs to be checked or maintained, the fabrication hole needs to be opened again.

In the prior art, the sealing cover plate is welded on the stern tube to seal the fabrication hole, however, in the first welding process, welding slag generated by welding between the sealing cover plate and the stern tube falls into the stern tube, at the moment, a shaft, an oil pipe and a pipe bracket in the stern tube are installed, and the falling welding slag can damage the cleanliness of the internal environment and even internal parts. Secondly, when maintaining the bearing inside the stern tube and the like parts such as the sealing oil tube in the future, the process holes need to be cut again, welding slag can be caused to fall into the stern tube again, the welding slag is welded again and sealed after the maintenance, and the welding slag can be caused to fall into the stern tube again. And thirdly, after the process hole is sealed by the sealing cover plate, a tightness test and a pressure test are carried out, a watertight test of 0.2Mpa is generally carried out in the stern tube, but at the moment, the shaft, the oil pipe, the pipe bracket and other accessories in the stern tube are installed completely, and the watertight test is difficult to carry out, so that the airtight test can only be selected.

Disclosure of Invention

One object of the present invention is to provide a stern tube which can prevent welding slag from falling into the stern tube and can perform a watertight test before the inside of the stern tube is constructed.

In order to achieve the purpose, the invention adopts the following technical scheme:

a stern tube, comprising:

the cylinder body is provided with a fabrication hole;

the first cover plate can be welded to the cylinder body and can seal the process hole;

the interlayer component is arranged in the barrel and can be plugged into the technical hole, the interlayer component comprises a mounting frame and a second cover plate, the mounting frame is fixedly arranged in the barrel, a manhole is arranged on the mounting frame, the second cover plate can be plugged into the manhole, and the second cover plate can be detachably connected to the mounting frame.

Optionally, the mounting bracket including fixed set up in the bedplate of barrel, the bedplate with first apron interval sets up, the manhole set up in the bedplate, the second apron can dismantle connect in the bedplate, and can the shutoff the manhole.

Optionally, the mounting bracket further includes two side sealing plates, two of the side sealing plates are disposed along the length direction of the barrel, one end of each side sealing plate is welded to the seat plate, and the other end of each side sealing plate is welded to the barrel.

Optionally, the barrier assembly further comprises a sealing gasket disposed between the second cover plate and the seat plate.

Optionally, the spacer assembly further comprises a fastener, the seat pan and the second cover plate being connected by the fastener.

Optionally, a handle is provided on the second cover plate.

Optionally, the cylindrical body further has a drain hole, the stern tube further includes a drain cover plate and a drain plug, the drain cover plate and the drain plug can seal the drain hole, the drain plug can be welded to the cylindrical body, and the drain cover plate is welded to the outside of the cylindrical body to protect the drain plug.

Optionally, the outer surface of the first cover plate is flush with the outer surface of the barrel.

Optionally, the cross-sectional area of the manhole is no greater than the cross-sectional area of the fabrication hole.

Another object of the present invention is to provide a ship capable of preventing welding slag from falling into the stern tube and performing a watertight test before the stern tube is constructed.

In order to achieve the purpose, the invention adopts the following technical scheme:

a ship comprises a ship body and the stern tube, wherein the stern tube is arranged on the ship body.

The invention has the beneficial effects that:

after the construction of the stern tube provided by the invention is completed, the fabrication hole is plugged by the interlayer component, and then the fabrication hole is plugged by the first cover plate. The first cover plate is welded on the cylinder body, so that the sealing performance of the stern tube can be ensured; by arranging the interlayer component in the cylinder, the interlayer component can receive welding slag generated when the first cover plate is welded, so that the cleanliness of the interior of the stern tube is improved, and internal parts are prevented from being damaged; the welding slag can not fall inside the stern tube, and the problem that the welding slag falls inside the stern tube due to welding of the first cover plate is solved.

The interlayer component can block the fabrication hole, and the second cover plate is detachably connected with the mounting frame, so that the interlayer component can be mounted on the cylinder body before the parts are mounted inside the stern tube in the field construction stage, and the water tightness test is performed firstly; then, the second cover plate is disassembled, and constructors enter the cylinder body through the manhole to carry out construction, and the manhole replaces the fabrication hole; after the construction is finished, the second cover plate is installed on the installation frame, and due to the fact that tightness tests are conducted in the prior art, repeated tests are not conducted at the position, and the problem that the tightness tests can be conducted only after the installation of internal parts of the stern tube is finished is solved.

When later stage need be maintained, only need follow the barrel with first apron cutting, the welding slag of cutting this moment is arbitrary the non return and is fallen on the interlayer subassembly, can clear up the welding slag on the interlayer subassembly, later opens the second apron and maintains the maintenance, avoids the welding slag on the interlayer subassembly to drop in the stern tube, has solved the welding slag problem that cutting process produced when maintaining the maintenance. After the maintenance, install the second apron on the mounting bracket again, weld first apron on the barrel again, accomplish work, the welding slag that produces when the interlayer subassembly can avoid the welding equally drops and gets into inside influence part and use. In the process of internal construction and later maintenance of the stern tube, the influence of welding slag generated by welding the first cover plate on internal components of the stern tube can be avoided in the whole process.

According to the ship provided by the invention, by adopting the stern tube and arranging the interlayer assembly, welding slag generated when the first cover plate is welded or cut falls on the interlayer assembly is ensured, the welding slag is prevented from entering the inside of the stern tube, the cleanliness is improved, the use reliability of internal parts is improved, and the use reliability of the ship is improved. Can dismantle with the mounting bracket through setting up the second apron and be connected, the manhole on the mounting bracket is convenient for constructor business turn over stern tube, sets up interlayer subassembly on the barrel before through the construction, can carry out the water proofness test, has solved traditional stern tube internals and need install the problem that just can carry out the gas tightness test after accomplishing.

Drawings

Fig. 1 is a longitudinal cross-sectional view of a stern tube according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at I of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a schematic structural view of a mounting bracket and a sealing gasket according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a second cover plate according to an embodiment of the present invention;

fig. 6 is an enlarged view at ii of fig. 1.

In the figure:

1. a barrel;

2. a first cover plate;

3. a barrier component; 31. a mounting frame; 311. a seat plate; 3111. a manhole; 312. a side sealing plate; 32. a second cover plate; 321. a handle; 33. a fastener; 34. sealing gaskets;

4. welding seams;

5. a drain cover plate;

6. and (4) a drain plug.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present embodiment provides a stern tube, as shown in fig. 1 and 2, comprising a cylinder 1, a first cover plate 2 and a barrier assembly 3; specifically, the cylinder body 1 is provided with a fabrication hole; the first cover plate 2 can be welded on the cylinder body 1, and the first cover plate 2 can seal the fabrication hole; interlayer subassembly 3 sets up in barrel 1, and interlayer subassembly 3 can shutoff fabrication hole, and interlayer subassembly 3 includes mounting bracket 31 and second apron 32, and mounting bracket 31 is fixed to be set up in barrel 1, is equipped with manhole 3111 on the mounting bracket 31, and second apron 32 can shutoff manhole 3111, and second apron 32 can dismantle to be connected on mounting bracket 31.

After construction is completed, the fabrication hole is firstly sealed and blocked by the interlayer component 3, and then the fabrication hole is sealed and blocked by the first cover plate 2. The first cover plate 2 is welded on the cylinder body 1, so that the sealing performance of the stern tube can be ensured; by arranging the interlayer component 3 in the cylinder 1, the interlayer component 3 can receive welding slag generated when the first cover plate 2 is welded, so that the cleanliness of the interior of the stern tube is improved, and internal parts are prevented from being damaged; the welding slag can not fall into the stern tube, and the problem that the welding slag falls into the stern tube due to the welding of the first cover plate 2 is solved.

Because the interlayer component 3 can block the fabrication hole, and the second cover plate 32 is detachably connected with the mounting frame 31, in the field construction stage, before the parts are mounted in the stern tube, the interlayer component 3 can be mounted on the cylinder 1, and the water tightness test is firstly carried out; then, the second cover plate 32 is disassembled, and a constructor enters the cylinder body 1 through the manhole 3111 to construct, and replaces the technical hole with the manhole 3111; after the construction is finished, the second cover plate 32 is installed on the installation frame 31, and as the tightness test is performed before, the tightness test is not repeated, so that the problem that the tightness test can be performed after the installation of the internal parts of the stern tube is finished is solved.

When later stage need be maintained, only need cut first apron 2 from barrel 1, the welding slag of cutting this moment still only can fall on interlayer subassembly 3, can clear up the welding slag on interlayer subassembly 3, later opens second apron 32 and maintains the maintenance, avoids the welding slag on interlayer subassembly 3 to drop in the stern tube, has solved the welding slag problem that the cutting process produced when maintaining the maintenance. After maintenance, install second apron 32 on mounting bracket 31 again, weld first apron 2 on barrel 1 again, accomplish work, interlayer subassembly 3 can avoid the welding slag that produces when welding to drop into inside influence the part and use equally. In the process of internal construction and later maintenance of the stern tube, the influence of welding slag generated by welding the first cover plate 2 on internal components of the stern tube can be avoided in the whole process.

Alternatively, as shown in fig. 2, the cross-sectional area of the manhole 3111 is not greater than that of the fabrication hole, so that the second cover plate 32 is easily installed on the installation frame 31. Optionally, the center line of the manhole 3111 and the center line of the fabrication hole are arranged in a collinear manner, which improves the convenience of the constructor entering the stern tube through the fabrication hole and the manhole 3111 in sequence, or exiting the stern tube through the manhole 3111 and the fabrication hole in sequence.

Optionally, as shown in fig. 1 and 2, the outer surface of the first cover plate 2 is flush with the outer surface of the cylinder 1, so as to prevent the first cover plate 2 from protruding out of the cylinder 1 to affect the external structure or affect the use effect. Specifically, during manufacturing, the cylinder body 1 is manufactured firstly, then the first cover plate 2 is cut from the cylinder body 1, and meanwhile, a process hole is formed, so that material waste is avoided; and the shape of the first cover plate 2 is the same as that of the fabrication hole, so that the fabrication hole can be just plugged. When the barrel 1 comes for goods, the first cover plate 2 is attached to the barrel 1, and parts are convenient to manage. Specifically, the projection shape of the fabrication hole may be square, circular or any other shape, which can ensure welding with the first cover plate 2, and the constructor can pass through the fabrication hole, and the specific shape is not limited. In this embodiment, as shown in fig. 1 and 2, the cylinder 1 is a cylinder, and the projection shape of the welding seam 4 formed when the first cover plate 2 is welded to the cylinder 1 after sealing the fabrication hole is an arc.

Optionally, as shown in fig. 2 to 4, the mounting bracket 31 includes a seat plate 311 fixedly disposed on the barrel 1, the manhole 3111 is opened on the seat plate 311, and the second cover plate 32 is detachably connected to the seat plate 311 and can block the manhole 3111, so as to realize detachable connection between the second cover plate 32 and the seat plate 311; the seat plate 311 is spaced apart from the first cover plate 2, and after the second cover plate 32 is assembled with the seat plate 311, a space is formed between the second cover plate and the first cover plate 2 for receiving the welding slag. Specifically, the seat plate 311 may have any shape, and it is sufficient if it can close off the fabrication hole; specifically, the cross section of the cylinder 1 is circular, and the seat plate 311 can be directly welded with the cylinder 1 after being bent, or the seat plate 311 is welded with the cylinder 1 through an intermediate member.

In this embodiment, as shown in fig. 4, the mounting bracket 31 further includes two side sealing plates 312, the two side sealing plates 312 are disposed along the length direction of the cylinder 1, one end of each side sealing plate 312 is welded to the seat plate 311, and the other end is welded to the cylinder 1. The seat plate 311 is plate-shaped, so as to avoid bending and facilitate operation. The side sealing plates 312, the seat plate 311 and the cylinder 1 are welded to ensure the sealing property. During construction, the side sealing plate 312 and the seat plate 311 are welded, and then the welding piece formed by the side plate and the seat plate 311 is welded on the cylinder 1, if welding slag is generated, the operation of cleaning, then performing water tightness test, internal assembly and the like can be performed. Further, as shown in fig. 3, both ends of the seat plate 311 in the longitudinal direction of the cylinder 1 are welded to the cylinder 1 via side seal plates 312, and the other both ends of the seat plate 311 are directly welded to the cylinder 1.

Optionally, as shown in fig. 4, the interlayer assembly 3 further includes a sealing gasket 34, the sealing gasket 34 is disposed between the second cover plate 32 and the seat plate 311, and the sealing performance between the second cover plate 32 and the seat plate 311 is ensured, specifically, the sealing gasket 34 may adopt an existing structure for sealing.

Optionally, as shown in fig. 4 and 5, the partition assembly 3 further includes a fastener 33, and the seat plate 311 is connected to the second cover plate 32 through the fastener 33, so as to facilitate the assembly and disassembly between the second cover plate 32 and the seat plate 311; in this embodiment, the seat plate 311 is provided with a plurality of threaded holes and a plurality of positioning holes at regular intervals, and the connecting holes and the positioning holes are sequentially and alternately arranged, and correspondingly, the second cover plate 32 is provided with a plurality of connecting holes and a plurality of positioning holes; during assembly, the positioning pins sequentially penetrate through the positioning holes in the second cover plate 32 and the positioning holes in the seat plate 311, so that the seat plate 311 and the second cover plate 32 are positioned, and then the bolts penetrate through the connecting holes and the threaded holes to be in threaded connection with the seat plate 311. Specifically, the sealing gasket 34 may also be provided with a connecting hole and a positioning hole, respectively, and the second cover plate 32 is connected to the sealing gasket 34 by a positioning pin and a bolt. Through setting up the locating hole, can guarantee the assembly accuracy, avoid seal gasket 34 assembly dislocation, improved the leakproofness. Specifically, the connection manner between the sealing gasket 34, the second cover plate 32, and the seat plate 311 is not limited.

Specifically, the manhole 3111 may be a circular hole, a square hole, an elliptical hole, a kidney-shaped hole, or any other shape, and the size and shape of the manhole may be enough for a constructor to pass through the manhole, without limitation.

In particular, the second cover plate 32 is provided with a handle 321 for facilitating construction operation. The handle 321 may be hinged to the second cover plate 32, and when not in use, the handle 321 is attached to the surface of the second cover plate 32 to avoid interference with other structures.

Optionally, as shown in fig. 1, 3 and 6, the cylinder 1 is further provided with a drain hole for draining, the stern tube further comprises a drain cover plate 5 and a drain plug 6, the drain cover plate 5 and the drain plug 6 can both block the drain hole, the drain plug 6 can be welded to the cylinder 1, and the drain cover plate 5 is welded to the outside of the cylinder 1 to protect the drain plug 6; the drain cover plate 5 and the drain plug 6 are opened simultaneously to perform drainage, and then the drain plug 6 and the drain cover plate 5 are welded in sequence, wherein the drain cover plate 5 is used for protecting the drain plug from damaging the drain plug 6 by the external structure of the barrel 1.

The embodiment also provides a ship, which comprises a ship body and the stern tube, wherein the stern tube is arranged on the ship body; by adopting the stern tube, welding slag generated when the first cover plate 2 is welded or the first cover plate 2 is cut falls on the interlayer component 3, the welding slag is prevented from entering the stern tube, cleanliness is improved, and use reliability of internal parts is improved, so that use reliability of ships is improved. Can dismantle with mounting bracket 31 through setting up second apron 32 and be connected, manhole 3111 on the mounting bracket 31 is convenient for constructor business turn over stern tube, sets up interlayer subassembly 3 on barrel 1 before through the construction, can carry out the water proofness test, has solved traditional stern tube internals and need install the problem that just can carry out the gas tightness test after accomplishing.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.