CN211821685U - Stern tube air-bleeding and discharging device - Google Patents
Stern tube air-bleeding and discharging device Download PDFInfo
- Publication number
- CN211821685U CN211821685U CN201920763265.5U CN201920763265U CN211821685U CN 211821685 U CN211821685 U CN 211821685U CN 201920763265 U CN201920763265 U CN 201920763265U CN 211821685 U CN211821685 U CN 211821685U
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- Prior art keywords
- stern tube
- tube
- stern
- bleed
- sealing
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- 238000007599 discharging Methods 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a stern tube gassing and discharge device. It includes: the sealing connecting joint is arranged at a corner part close to the stern tube; an outer tube welded to an outer wall surface of the stern tube; and an inner tube disposed between the outer wall surface of the stern tube and the inner wall of the outer tube. Wherein the inner tube is connected with the sealing connection joint and discharges the gas or liquid led out by the sealing connection joint out of the stern tube. The utility model discloses simple structure, easily construction, it is with low costs, can realize with current perforation structure the same function, reach the same purpose.
Description
The technical field is as follows:
the utility model belongs to the marine engineering field especially relates to a stern tube gassing and discharge apparatus.
Background art:
before lubricating oil is injected into the stern tube, residual gas in the stern tube needs to be discharged; before the stern tube is overhauled, lubricating oil in the stern tube needs to be drained. In order to clean the residual gas and oil in the stern tube, the method adopted in the past is to drill a through hole in the forged steel piece of the stern tube. However, since the hole diameter is not large (about 10 mm) due to the perforation, the hole length is long (about 500 mm). Such perforations are not easy to machine, adding difficulty and cost to the machining.
The utility model has the following contents:
in view of the above problems, the utility model provides a stern tube gassing and discharge device of convenient operation. The device is simple in construction and low in cost, and can realize the same function and effect as perforation.
To achieve the above object, a stern tube bleed off and release device is proposed, comprising: a sealing joint, which is arranged at the corner part close to the stern tube and is connected with the inside of the stern tube in a sealing way; the outer pipe is welded on the surface of the outer wall of the stern pipe and covers the sealing connection joint; and the inner pipe is arranged between the outer wall surface of the stern tube and the inner wall of the outer pipe, one end of the inner pipe is connected with the sealing connection joint, and the other end of the inner pipe is connected to the stern tube sealing oil tank through the connection joint.
Optionally, in the above stern tube deflation and bleed device, one end of the outer tube is welded to the outer wall surface of the stern tube, and the other end of the outer tube is also welded to a ship hull cabin penetrating member on which the stern tube is mounted.
Optionally, in the above stern tube deflation and bleed device, the tail end of the stern tube is fixed to the hull bulkhead.
Optionally, in the above stern tube deflation and bleed device, the inner tube, the outer tube, the sealing joint and the hull bulkhead fitting each include two pieces disposed on the upper side and the lower side of the stern tube.
Optionally, in the above stern tube deflation and discharge device, the inner tube disposed at the upper side of the stern tube is connected to the sealing joint disposed at the corner of the upper side of the stern tube, and the gas and/or liquid led out by the sealing joint is led out to the stern tube sealing oil tank.
Optionally, in the above stern tube deflation and bleed device, the inner tube disposed at the upper side of the stern tube passes through the hull hatch penetrating member disposed at the upper side of the stern tube to connect the connection joint.
Optionally, in the above stern tube deflation and bleed-off device, the inner tube arranged at the lower side of the stern tube is connected to the sealing joint arranged at the corner of the lower side of the stern tube, and passes through the hull cabin penetrating member arranged at the lower side of the stern tube; the ship body cabin penetrating piece is arranged on the lower side of the stern tube, and the outer side of the ship body cabin penetrating piece is also connected with a discharge cock; the discharging cock is used for discharging gas and/or liquid led out from an inner pipe arranged on the lower side of the stern tube.
Optionally, in the above stern tube deflation and discharge device, the discharge cock discharges gas and/or liquid led out from the inner tube arranged at the lower side of the stern tube to the bilge where the stern tube is installed.
Optionally, in the above stern tube deflation and bleed device, the outer tube and the inner tube both extend from the corner of the stern tube to the end.
Advantageous effects
Through the above components, the utility model particularly provides a sealing connection joint arranged at the corner position close to the stern tube; an outer tube welded to an outer wall surface of the stern tube; and an inner tube disposed between an outer wall surface of the stern tube and an inner wall of the outer tube; the inner pipe is connected with the sealing connection joint, and gas or liquid led out by the sealing connection joint is discharged out of the stern tube, so that the same function and the same purpose as those of the conventional perforation structure can be realized. The utility model discloses simple structure, easily construction, it is with low costs.
Further, owing to be provided with the cock and the sealed oil tank of stern tube of releasing, the utility model discloses not only can replace the past conventional gassing and the mode of releasing, can monitor the interior oil of stern tube and the sealed condition through the cock of releasing at ordinary times moreover.
Description of the drawings:
fig. 1 is a schematic structural view of the stern tube deflation and release device of the present invention;
fig. 2 is a schematic view of a section a-a in fig. 1.
Wherein: 1 represents an inner tube; 2 denotes an outer tube; 3 denotes a sealing joint; 4 denotes a penetration piece; 5 denotes the bleed-off cock; 6 denotes a connection joint; 7, stern tube sealing oil tank; and 8 denotes a stern tube.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the stern tube bleed off and release device of the present invention comprises: a sealing joint 3 disposed at a corner portion near the stern tube 8, and hermetically connected to the inside of the stern tube 8; the outer pipe 2 is welded on the outer wall surface of the stern pipe 8 and covers the sealing connection joint 3; and the inner tube 1 is arranged between the outer wall surface of the stern tube 8 and the inner wall of the outer tube 2, one end of the inner tube is connected with the sealing connection joint 3, and the other end of the inner tube is connected to a stern tube sealing oil tank 7 through a connection joint 6.
In the structure, the gas which is not discharged clearly in the dead angle in the stern tube is discharged to the inner tube 1 through the sealing connector 3 and then discharged through the connector 6 which is connected with the other end of the inner tube 1 and is arranged on the stern tube sealing oil tank 7. Therefore, the invention can realize the removal of gas and/or oil liquid which is not discharged from the dead angle in the stern tube without drilling.
The outer tube 2 is used as a protective sleeve of the inner tube 1, one end of the outer tube is directly welded on the outer surface of the stern tube, and the other end of the outer tube is welded on a ship cabin penetrating piece 4 arranged on the stern tube 8. The tail end of the stern tube 8 is fixed with the ship body cabin penetrating piece 4. The coating relationship between the outer tube 2 and the inner tube 1 can be known from fig. 2.
Similar to the above structure, in an advantageous implementation manner, in the above stern tube deflation and bleed device, the inner tube 1, the outer tube 2, the sealing joint 3, and the hull penetration piece 4 all include two pieces disposed on the upper side and the lower side of the stern tube 8.
Wherein, the setting is in inner tube 1 connection setting of 8 upsides of stern tube is in the sealed attach fitting 3 at 8 upsides of stern tube bent angle positions sets up the inner tube 1 of 8 upsides of stern tube passes the setting and is in 8 upsides of stern tube the hull cross cabin spare 4 is in order to connect attach fitting 6. Thereby, the gas and/or liquid led out by the sealing connection joint 3 is led out into the stern tube seal conservator 7.
The inner pipe 1 arranged at the lower side of the stern tube 8 is connected with a sealing connecting joint 3 arranged at the corner part at the lower side of the stern tube 8 and penetrates through the ship body cabin penetrating piece 4 arranged at the lower side of the stern tube 8; the ship body cabin penetrating piece 4 is arranged on the lower side of the stern tube 8, and the outer side of the ship body cabin penetrating piece is also connected with a discharge cock 5; the discharge cock 5 is used for discharging gas and/or liquid led out from the inner tube 1 arranged at the lower side of the stern tube 8. That is, the oil is discharged only through the lower sealed joint 3 to the inner tube 1, and then discharged to the bilge where the stern tube 8 is installed through the discharge cock 5.
In the above structure, the outer tube 2 is used as a protective sleeve for the inner tube 1, and both the outer tube and the inner tube 1 are arranged to extend from the corner of the stern tube 8 to the tail end.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the claims of the present invention.
Claims (9)
1. A stern tube bleed off and release device, comprising:
a sealing joint (3) which is arranged at a corner part close to the stern tube (8) and is connected with the inside of the stern tube (8) in a sealing way;
the outer pipe (2) is welded on the outer wall surface of the stern pipe (8) and covers the sealing connection joint (3);
the inner pipe (1) is arranged between the outer wall surface of the stern tube (8) and the inner wall of the outer pipe (2), one end of the inner pipe is connected with the sealing connection joint (3), and the other end of the inner pipe is connected to a stern tube sealing oil tank (7) through a connection joint (6).
2. The stern tube bleed off and release device as defined in claim 1, wherein one end of the outer tube (2) is welded to the outer wall surface of the stern tube (8), and the other end of the outer tube (2) is also welded to the hull transom (4) to which the stern tube (8) is mounted.
3. The stern tube bleed off and discharge device as defined in claim 2, wherein the distal end of the stern tube (8) is fixed to the hull transom (4).
4. The stern tube bleed off and release device as defined in claim 3, wherein the inner tube (1), the outer tube (2), the sealing connection joint (3), the hull transom (4) each comprise two arranged on the upper and lower side of the stern tube (8).
5. The stern tube bleed off and discharge device as defined in claim 4, wherein the inner tube (1) arranged at the upper side of the stern tube (8) is connected to a sealed joint (3) arranged at the corner of the upper side of the stern tube (8), and gas and/or liquid led out by the sealed joint (3) is led out into the stern tube sealed oil tank (7).
6. The stern tube bleed off and release device as defined in claim 5, wherein the inner tube (1) arranged on the upper side of the stern tube (8) is passed through the hull transom (4) arranged on the upper side of the stern tube (8) for connection to the connection joint (6).
7. The stern tube bleed off and release device as defined in claim 4, wherein the inner tube (1) arranged on the lower side of the stern tube (8) is connected to a sealed connection joint (3) arranged at the lower corner of the stern tube (8) and passes through the hull trim (4) arranged on the lower side of the stern tube (8);
the ship body cabin penetrating piece (4) is arranged on the lower side of the stern tube (8), and the outer side of the ship body cabin penetrating piece is also connected with a discharging cock (5); the discharge cock (5) is used for discharging gas and/or liquid led out from the inner pipe (1) arranged on the lower side of the stern tube (8).
8. The stern tube bleed and drain device as defined in claim 7, wherein the drain cock (5) drains gas and/or liquid, which is led out from the inner tube (1) arranged on the lower side of the stern tube (8), to the bilge where the stern tube (8) is mounted.
9. The stern tube bleed off and release device as defined in claim 3, wherein the outer tube (2) and the inner tube (1) both extend towards the distal end from an angled portion of the stern tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763265.5U CN211821685U (en) | 2019-05-25 | 2019-05-25 | Stern tube air-bleeding and discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763265.5U CN211821685U (en) | 2019-05-25 | 2019-05-25 | Stern tube air-bleeding and discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211821685U true CN211821685U (en) | 2020-10-30 |
Family
ID=72995315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920763265.5U Active CN211821685U (en) | 2019-05-25 | 2019-05-25 | Stern tube air-bleeding and discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211821685U (en) |
-
2019
- 2019-05-25 CN CN201920763265.5U patent/CN211821685U/en active Active
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