CN108482578B - Application method of cabin entering guide tool for ship shaft section - Google Patents
Application method of cabin entering guide tool for ship shaft section Download PDFInfo
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- CN108482578B CN108482578B CN201810414823.7A CN201810414823A CN108482578B CN 108482578 B CN108482578 B CN 108482578B CN 201810414823 A CN201810414823 A CN 201810414823A CN 108482578 B CN108482578 B CN 108482578B
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- shaft section
- guide head
- extension rod
- diameter
- guide
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a ship shaft section cabin entering guide tool and a use method thereof, wherein the ship shaft section cabin entering guide tool comprises a guide head and an extension rod, diameters of two end faces of the guide head are different, a first boss is arranged in the center of the end face of one end with a larger diameter of the guide head, external threads matched with the shaft section are arranged on the outer surface of the first boss, one end with a smaller diameter of the guide head is fixedly connected with the extension rod, and a plurality of tightening structures for tightening the guide head and the shaft section in a matched mode are uniformly distributed in the circumferential direction at the middle of the guide head. The guiding tool for the cabin entering of the ship shaft section provided by the invention avoids the condition that the shaft section is in a cantilever beam state due to no effective support when the shaft section enters the cabin; the technical level requirements on constructors are reduced, the potential risk of entering the cabin of the shaft section is eliminated, and the working efficiency and the safety coefficient are improved.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a use method of a ship shaft section cabin entering guide tool.
Background
To meet various special mission requirements, the vessel nacelle may be in the middle or in the front of the vessel, but such an arrangement suffers from two problems for vessels employing shaft propulsion: firstly, the total length of the shafting is longer (more than 50 m), and one section or more than one section of intermediate shaft is arranged; secondly, when the propeller shaft (or called a tail shaft) enters the cabin from the stern to the bow, the propeller shaft (such as an oil lubrication tail shaft pipe type) and the tail tip cabin need to be penetrated, when the propeller shaft gradually enters the tail shaft pipe and the tail tip cabin, the shaft head is slightly scratched when the shaft head is light due to the fact that an effective supporting tool cannot be arranged for assisting the propeller shaft in the whole arrangement of the shaft section channel, so that the front end of the shaft section gradually sags in the cabin entering process of the propeller shaft (or called the tail shaft), the shaft section is in a cantilever beam state, the technical requirement for the constructor to control the shaft section to accurately enter the tail shaft pipe and the like is high, the shaft section enters the cabin very disadvantageously, the shaft head is slightly scratched when the risk is light, and the bearing bush of the shaft head scratched bearing causes the bearing to be scrapped.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a use method of a ship shaft section cabin entering guide tool, which avoids the condition that the shaft section is in a cantilever beam state due to no effective support when the shaft section enters a cabin; the technical level requirements on constructors are reduced, the potential risk of entering the cabin of the shaft section is eliminated, and the working efficiency and the safety coefficient are improved.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a cabin direction frock is advanced to boats and ships axle section, includes direction head and extension rod, the diameter of the both ends face of direction head is different, the center of the terminal surface of the great one end of direction head diameter is equipped with first boss, the surface of first boss is equipped with the external screw thread with axle section complex, the less one end fixed connection of direction head diameter the extension rod, the middle part circumference equipartition of direction head have a plurality of be used for with the direction head with the structure of screwing up of axle section cooperation.
Preferably, the guide head is in a truncated cone shape, and the diameter of the larger bottom edge of the truncated cone shape is the same as the diameter of the shaft section.
Preferably, the guide head is a combination of a cylinder and a truncated cone, a larger bottom edge of the truncated cone is connected with a bottom edge of the cylinder, and the diameters of the larger bottom edge of the truncated cone and the bottom edge of the cylinder are the same as the diameter of the shaft section.
Preferably, the tightening structure is a hole or a slot or a rod.
In order to solve the problems, the invention also provides a use method of the ship shaft section cabin entering guide tool, which comprises the following steps:
step one, manufacturing a guide head according to the diameter of a shaft section, and determining the connection mode of the guide head and an extension rod;
step two, manufacturing the extension rod;
step three, connecting the guide head with the shaft section through the tightening structure;
step four, setting temporary supports at proper positions in the extending line direction of the external shafting of the stern and at proper positions in front of a front bulkhead in the cabin;
step five, connecting the extension rod with the guide head connected with the shaft section to form a combined body of the guide head connected with the shaft section and the extension rod;
step six, the combination body is gradually fed into a tail shaft tube from the stern to the bow direction until the front end of the extension rod passes through a front bulkhead to ensure that the temporary support in front of the front bulkhead can effectively support the extension rod, and then the combination body is continuously fed forward to a specified position;
and step seven, after confirming that the shaft section is in the designed position, sequentially disassembling the extension rod, the guide head and the temporary support.
Preferably, in the first step, the taper of the larger diameter end and the smaller diameter end of the guide head is 1:1.5-4, and the diameter of the larger diameter end of the guide head is the same as the diameter of the shaft section.
Preferably, in the first step, the connection mode of the guide head and the extension rod is threaded connection or welding or bolt connection.
Preferably, in the second step, the diameter of the extension rod is 50-100 mm smaller than the diameter of the smaller diameter end of the guide head, and the length of the extension rod is greater than or equal to half the length of the shaft section.
Preferably, in the third step, the tightening structure is a hole or a groove or a rod.
Preferably, in the fourth step, the height of the temporary support is adjustable.
The beneficial effects of the invention are as follows: through setting up first boss connecting axle section at the great one end of direction head diameter, connect the extension rod at the less one end of direction head diameter for the direction head is with axle section and extension rod connection formation assembly, in the axle section advances the cabin with the assembly gradually from the stern towards the bow direction feeding stern tube, and set up the temporary support assembly in the cabin, consequently avoided the axle section to be in "cantilever beam" state, reduced the technical level requirement to constructor, eliminated the axle section and advanced the potential risk in cabin, improved work efficiency and factor of safety. The invention has simple structure, good use effect and easy popularization and use.
Drawings
Fig. 1 is a schematic structural view of a ship shaft section cabin entering guide tool.
Fig. 2 is a schematic structural view of an internal thread arranged at the smaller diameter end of a guide head of the ship shaft section cabin entering guide tool.
Fig. 3 is a schematic structural view of a second boss arranged at the smaller diameter end of a guide head of the ship shaft section cabin entering guide tool.
Wherein: the device comprises a guide head 1, an extension rod 2, a first boss 3, a tightening structure 4, a shaft section 5, a second boss 6, a temporary support 7 and a tail shaft tube 100.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a cabin-entering guide tool for a ship shaft section of the present embodiment includes a guide head 1 and an extension rod 2, diameters of two end faces of the guide head 1 are different, a first boss 3 is disposed at a center of an end face of one end with a larger diameter of the guide head 1, an external thread matched with the shaft section 5 is disposed on an outer surface of the first boss 3, one end with a smaller diameter of the guide head 1 is fixedly connected with the extension rod 2, and a plurality of tightening structures 4 for tightening the guide head 1 and the shaft section 5 are circumferentially and uniformly distributed in a middle portion of the guide head 1.
According to the ship shaft section cabin-entering guide tool based on the technical characteristics, the first boss 3 is arranged at one end with the larger diameter of the guide head 1 to be connected with the shaft section 5, and the extension rod 2 is connected at one end with the smaller diameter of the guide head 1, so that the guide head 1 is used for connecting the shaft section 5 and the extension rod 2 to form a combined body, the combined body is gradually fed into the tail shaft tube 100 from the stern to the bow direction when the shaft section 5 enters the cabin, and the temporary support 7 is arranged in the cabin to support the combined body, so that the shaft section 5 is prevented from being in a cantilever beam state, the technical level requirements on constructors are reduced, the potential risk of the shaft section 5 entering the cabin is eliminated, and the working efficiency and the safety coefficient are improved. The invention has simple structure, good use effect and easy popularization and use.
In this embodiment, the guide head 1 is in a truncated cone shape, and the diameter of the larger bottom edge of the truncated cone shape is the same as the diameter of the shaft section 5. In another embodiment of the present invention, the guide head 1 is a combination of a cylinder and a truncated cone, the larger bottom edge of the truncated cone is connected with a bottom edge of the cylinder, and the diameter of the larger bottom edge of the truncated cone and the diameter of the bottom edge of the cylinder are both the same as the diameter of the shaft section 5. The guiding function can be achieved by arranging the two ends of the guiding head 1 to have different diameters, so that the larger diameter end and the smaller diameter end of the guiding head 1 form a taper. Preferably, the taper of the larger diameter end and the smaller diameter end of the guide head 1 is 1:1.5-4.
In this embodiment, the tightening structure 4 is a hole or a slot or a rod. In practical application, a threaded hole matched with the external thread of the first boss 3 is formed in the center of one end, connected with the guide head 1, of the shaft section 5. When the tightening structure 4 is a groove or a hole, the tightening of the guide head 1 and the shaft section 5 can be realized only by inserting a rod into the hole or the groove and rotating the guide head 1 when the tightening structure is needed to be tightened. In addition, for convenience of operation, the rod may be directly welded to the guide head 1 as the tightening structure 4.
The invention also provides a using method of the ship shaft section cabin entering guide tool, and provides a specific embodiment of the using method of the ship shaft section cabin entering guide tool:
in this embodiment, the method for using the ship shaft section cabin entering guide tool includes the following steps:
step one, manufacturing a guide head 1 according to the diameter of the shaft section 5, and determining the connection mode of the guide head 1 and the extension rod 2. The guide head is in a truncated cone shape, and the diameter of the larger bottom edge of the truncated cone shape is the same as the diameter of the shaft section 5. In another embodiment of the present invention, the guide head 1 is a combination of a cylinder and a truncated cone, the larger bottom edge of the truncated cone is connected with a bottom edge of the cylinder, and the diameter of the larger bottom edge of the truncated cone and the diameter of the bottom edge of the cylinder are both the same as the diameter of the shaft section 5. The guiding function can be achieved by arranging the two ends of the guiding head 1 to have different diameters, so that the larger diameter end and the smaller diameter end of the guiding head 1 form a taper. Preferably, the taper of the larger diameter end and the smaller diameter end of the guide head 1 is 1:1.5-4.
In addition, the connection mode of the guide head 1 and the extension rod 2 can have different forms, and can be selected according to different requirements, in particular threaded connection or welding or bolt connection. When the screw connection is adopted, an external screw thread or an internal screw thread can be arranged at the smaller end of the guide head 1, however, when the external screw thread is adopted, a second boss 6 is required to be arranged at the center of the end face of the smaller end of the guide head 1, then the external screw thread is arranged on the second boss 6, and the guide head 1 is connected with the extension rod 2 by matching the internal screw thread with the external screw thread on the end face of the one end of the extension rod 2. When the bolt is used for connection, a second boss 6 is arranged in the center of the end face of the smaller end of the guide head 1, then a bolt hole is arranged on the second boss 6, and the second boss is connected with the extension rod 2 through the bolt in a matching way.
And secondly, manufacturing the extension rod 2, wherein the diameter of the extension rod 2 is 50-100 mm smaller than that of the smaller diameter end of the guide head 1, and the length of the extension rod 2 is greater than or equal to half of that of the shaft section 5. In addition, the end of the extension rod 2 matched with the guide head 1 should be correspondingly provided with an external thread or an internal thread or a bolt hole according to the selected connection mode.
And thirdly, connecting the guide head with the shaft section 5 through the screwing structure 4, wherein the screwing structure 4 is a hole or a groove or a rod piece. In practical application, a threaded hole matched with the external thread of the first boss 3 is formed in the center of one end, connected with the guide head 1, of the shaft section 5. When the tightening structure 4 is a groove or a hole, the tightening of the guide head 1 and the shaft section 5 can be realized only by inserting a rod into the hole or the groove and rotating the guide head 1 when the tightening structure is needed to be tightened. In addition, for convenience of operation, the rod may be directly welded to the guide head 1 as the tightening structure 4.
And step four, a temporary support 7 is arranged at a proper position in the extending line direction of the stern external shafting and a proper position in front of a front bulkhead in the cabin. The temporary support 7 is provided taking into account the following factors: firstly, the temporary support 7 should be able to bear the weight of the nacelle-entering shaft section 5, i.e. the temporary support 7 should have sufficient rigidity; secondly, the height of the temporary support 7 should be adjustable so as to ensure that the center of the cabin entering shaft section 5 is basically consistent with the center of the shaft system after the cabin entering shaft section 5 is placed above; again, if the shaft section 5 exceeds 10 meters, the temporary support 7 should be provided at the stern.
Step five, connecting the extension rod 2 with the guide head 1 connected with the shaft section 5 to form a combined body of the guide head 1 connecting the shaft section 5 and the extension rod 2;
step six, the combination is gradually fed into the tail shaft tube 100 from the stern to the bow direction until the front end of the extension rod 2 passes through the front bulkhead to ensure that the temporary support 7 in front of the front bulkhead can effectively support the extension rod 2, and then the combination is continuously fed forward to a specified position;
step seven, after confirming that the shaft section 5 has fallen to the design position, the extension rod 2, the guide head 1 and the temporary support 7 are disassembled in sequence.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (8)
1. The application method of the ship shaft section cabin entering guide tool is characterized by comprising the following steps of: the ship shaft section cabin entering guide tool comprises a guide head and an extension rod, the diameters of two end faces of the guide head are different, a first boss is arranged in the center of the end face of one end with the larger diameter of the guide head, external threads matched with the shaft section are arranged on the outer surface of the first boss, one end with the smaller diameter of the guide head is fixedly connected with the extension rod, a plurality of tightening structures used for tightening the guide head and the shaft section in a matched mode are uniformly distributed in the middle of the guide head in the circumferential direction, and the using method comprises the following steps:
step one, manufacturing a guide head according to the diameter of a shaft section, and determining the connection mode of the guide head and an extension rod;
step two, manufacturing the extension rod;
step three, connecting the guide head with the shaft section through the tightening structure;
step four, setting temporary supports at proper positions in the extending line direction of the external shafting of the stern and at proper positions in front of a front bulkhead in the cabin;
step five, connecting the extension rod with the guide head connected with the shaft section to form a combined body of the guide head connected with the shaft section and the extension rod;
step six, the combination body is gradually fed into a tail shaft tube from the stern to the bow direction until the front end of the extension rod passes through a front bulkhead to ensure that the temporary support in front of the front bulkhead can effectively support the extension rod, and then the combination body is continuously fed forward to a specified position;
and step seven, after confirming that the shaft section is in the designed position, sequentially disassembling the extension rod, the guide head and the temporary support.
2. The method for using the ship shaft section cabin entering guide tool according to claim 1, wherein the method comprises the following steps: in the first step, the taper of the larger diameter end and the smaller diameter end of the guide head is 1:1.5-4, and the diameter of the larger diameter end of the guide head is the same as the diameter of the shaft section.
3. The method for using the ship shaft section cabin entering guide tool according to claim 1, wherein the method comprises the following steps: in the first step, the connection mode of the guide head and the extension rod is threaded connection or welding or bolt connection.
4. The method for using the ship shaft section cabin entering guide tool according to claim 1, wherein the method comprises the following steps: in the second step, the diameter of the extension rod is 50-100 mm smaller than the diameter of the smaller diameter end of the guide head, and the length of the extension rod is greater than or equal to half of the length of the shaft section.
5. The method for using the ship shaft section cabin entering guide tool according to claim 1, wherein the method comprises the following steps: in the third step, the tightening structure is a hole or a groove or a rod.
6. The method for using the ship shaft section cabin entering guide tool according to claim 1, wherein the method comprises the following steps: in the fourth step, the height of the temporary support may be adjusted.
7. The method for using the ship shaft section cabin entering guide tool according to claim 1, wherein the method comprises the following steps: the guide head is in a truncated cone shape, and the diameter of the larger bottom edge of the truncated cone shape is the same as that of the shaft section.
8. The method for using the ship shaft section cabin entering guide tool according to claim 1, wherein the method comprises the following steps: the guide head is a combination of a cylinder and a circular truncated cone, the larger bottom edge of the circular truncated cone is connected with one bottom edge of the cylinder, and the diameter of the larger bottom edge of the circular truncated cone and the diameter of the cylindrical bottom edge are the same as the diameter of the shaft section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414823.7A CN108482578B (en) | 2018-05-03 | 2018-05-03 | Application method of cabin entering guide tool for ship shaft section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414823.7A CN108482578B (en) | 2018-05-03 | 2018-05-03 | Application method of cabin entering guide tool for ship shaft section |
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| Publication Number | Publication Date |
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| CN108482578A CN108482578A (en) | 2018-09-04 |
| CN108482578B true CN108482578B (en) | 2023-06-02 |
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| CN201810414823.7A Active CN108482578B (en) | 2018-05-03 | 2018-05-03 | Application method of cabin entering guide tool for ship shaft section |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH083335B2 (en) * | 1987-09-01 | 1996-01-17 | 松井ワルターシャイド株式会社 | Shaft coupling |
| JP5014177B2 (en) * | 2008-01-23 | 2012-08-29 | 株式会社アイ・エイチ・アイ マリンユナイテッド | Counter-rotating propeller unit and its assembling method, transportation method and mounting method on the ship |
| KR101444341B1 (en) * | 2012-12-03 | 2014-09-30 | 삼성중공업 주식회사 | Installation device of ship propeller, and installation method of ship propeller using the same |
| CN104118530B (en) * | 2014-07-22 | 2016-09-14 | 江苏新扬子造船有限公司 | Stern tube shaft installation method |
| KR101732579B1 (en) * | 2015-11-10 | 2017-05-08 | 삼성중공업 주식회사 | Propulsion apparatus of ship, and installation method thereof |
| CN105840638A (en) * | 2016-04-29 | 2016-08-10 | 苏州鼎隆精密机械制造有限公司 | Tight connecting structure for thread sleeve |
| CN105711796A (en) * | 2016-04-29 | 2016-06-29 | 芜湖造船厂有限公司 | Marine propeller shaft installation guide device |
| CN208248420U (en) * | 2018-05-03 | 2018-12-18 | 中船黄埔文冲船舶有限公司 | A kind of ship shaft part is into cabin guided tooling |
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2018
- 2018-05-03 CN CN201810414823.7A patent/CN108482578B/en active Active
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Application publication date: 20180904 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048822 Denomination of invention: A method of using a ship shaft section entry guidance fixture Granted publication date: 20230602 License type: Common License Record date: 20231130 |
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