CN108045496B - Repairing and replacing method for full-rotation rudder propeller device - Google Patents
Repairing and replacing method for full-rotation rudder propeller device Download PDFInfo
- Publication number
- CN108045496B CN108045496B CN201710965121.3A CN201710965121A CN108045496B CN 108045496 B CN108045496 B CN 108045496B CN 201710965121 A CN201710965121 A CN 201710965121A CN 108045496 B CN108045496 B CN 108045496B
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- rudder propeller
- propeller device
- full
- rotation
- cable
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
- B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
- B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
- B63H2005/1258—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors
Abstract
The invention discloses a repairing and replacing method of a full-rotation rudder propeller device, which comprises the following steps: disassembling a driving assembly which is installed together with the full-rotation rudder propeller device; sealing a gap at the input shaft of the full-rotation rudder propeller device; a cable is arranged on the full-rotation rudder propeller device; the full-turning rudder propeller device is detached from the ship surrounding well, and is lifted out of the water through a cable; repairing and replacing the rudder propeller device; sealing a gap at the input shaft of the full-rotation rudder propeller device; hoisting the full-rotation rudder propeller device into the water through a cable, and installing the full-rotation rudder propeller device on the ship well; disassembling the seal at the input shaft of the full-rotation rudder propeller device; the driving assembly is installed with the rudder propeller. The invention effectively avoids huge economic loss caused by ship docking due to damage of the full-rotation rudder propeller device, shortens the maintenance period, reduces the maintenance cost and improves the maintainability of the device.
Description
Technical Field
The invention relates to the technical field of ship propulsion, in particular to a method for repairing and replacing a full-rotation rudder propeller device.
Background
The full-rotation rudder propeller is an underwater propulsion device which can provide thrust in a 360-degree range, can enable a ship to have good operation performance and dynamic positioning performance, and is widely applied to various ocean ships and ocean engineering platforms.
When a ship runs on the sea, if the full-slewing rudder propeller device fails, the ship is usually required to be docked for maintenance, however, the maintenance period of the ship docking is long, so that the ship is idle for a long time, and huge economic loss is caused. Particularly, for an ocean platform such as a drilling ship and an ocean engineering platform which is provided with a plurality of sets of all-rotation rudder propeller devices, if one set of all-rotation rudder propeller device fails, the ship needs to be docked for maintenance, and immeasurable economic loss is undoubtedly caused.
Disclosure of Invention
In order to solve the problems that huge economic loss is caused by the fact that a ship needs to be docked for maintaining a full-rotation rudder propeller device and the problems that the existing dismounting technology is low in application range and poor in corrosion resistance, the embodiment of the invention provides a method for repairing and replacing the full-rotation rudder propeller device. The technical scheme is as follows:
the embodiment of the invention provides a repairing and replacing method of a full-rotation rudder propeller device, which is suitable for the full-rotation rudder propeller device arranged on a ship trunk, and the repairing and replacing method comprises the following steps:
disassembling a driving assembly which is installed together with the full-rotation rudder propeller device;
sealing a gap at the input shaft of the rudder propeller device;
providing a sealed barrel;
the sealing barrel is hermetically installed on the ship surrounding well through a bolt, so that the sealing barrel is arranged outside an installation through hole of the ship surrounding well, which is used for accommodating the full-rotation rudder propeller device;
a cable is arranged on the full-rotation rudder propeller device;
detaching the full-turning rudder propeller device from the ship shaft and hoisting the full-turning rudder propeller device out of the water through the cable;
repairing and replacing the full-rotation rudder propeller device;
sealing a gap at the input shaft of the rudder propeller device;
hoisting the rudder propeller device into the water through the cable, and installing the rudder propeller device on the shaft of the ship;
pumping out the water in the sealed barrel;
disassembling the seal at the input shaft of the full-rotation rudder propeller device;
mounting the drive assembly with the rudder propeller.
Further, after sealing the gap at the input shaft of the rudder propeller device, it includes: providing a sealed barrel; and the sealing barrel is hermetically arranged on the ship enclosing well, so that the sealing barrel is arranged outside the mounting through hole of the ship enclosing well for accommodating the full-rotation rudder propeller device.
Further, the sealing barrel is hermetically installed on the ship well through bolts.
Further, the installing a cable on the rudder propeller device comprises: mounting one end of a first cable on the full-rotation rudder propeller device, and penetrating the other end of the first cable out of the sealing barrel; and one end of a second cable is arranged on the full-rotation rudder propeller device, and the other end of the second cable penetrates out of the water.
Furthermore, a first lifting lug is arranged on the full-rotation rudder paddle, and one end of the first cable is arranged on the first lifting lug.
Further, a second lifting lug is arranged on the full-rotation rudder paddle, and one end of the second cable is installed on the second lifting lug.
Further, before detaching the rudder propeller device from the ship shaft, the rudder propeller device comprises: tightening the first cable.
Further, before the seal at the input shaft of the rudder propeller device is disassembled, the method comprises the following steps: and pumping out the water in the sealed barrel.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the embodiment of the invention effectively avoids huge economic loss caused by docking of a ship due to damage of the full-rotation rudder propeller device by directly disassembling the full-rotation rudder propeller from the underwater and repairing and replacing the full-rotation rudder propeller on a ship body clamping plate, because the method only needs to disassemble the driving assembly connected with the device before the full-rotation rudder propeller device is lifted out and seal is made, the full-rotation rudder propeller device can be lifted out by using the cable, the maintenance period is greatly shortened, the maintenance cost is reduced, the maintainability of the device is improved, meanwhile, the sealing measure is made after the maintenance is finished, the maintenance and replacement operation can be finished by using the cable to be lifted into the water and installing the device to a surrounding well of the ship, the operation difficulty of the method is very low, the full-rotation rudder propeller device seals the input shaft of the full-rotation rudder propeller device from the lifting in and out of the water, and the device can be prevented from seawater corrosion damage when the full-rotation propeller device is disassembled, the practicability of the invention is enhanced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a general diagram of a technical scheme of a method for replacing a rudder propeller device according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection between a rudder propeller device and a driving assembly according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for replacing a rudder propeller device according to an embodiment of the present invention;
fig. 4 is a flowchart of another method for replacing a rudder propeller device according to an embodiment of the present invention;
fig. 5 is a first state of a method for replacing a rudder propeller device according to an embodiment of the present invention;
fig. 6 is a second state of a method for replacing a rudder propeller device according to an embodiment of the present invention;
fig. 7 is a third state of a method for replacing a rudder propeller device according to an embodiment of the present invention;
fig. 8 is a fourth state of a method for replacing a rudder propeller device according to an embodiment of the present invention;
the symbols in the drawings represent the following meanings:
1-a first cable, 2-a second cable, 3-a sealed barrel, 4-an input shaft sealing cover, 5-a first lifting lug, 6-a second lifting lug, 7-a pump assembly, 8-a full-rotation rudder propeller device, 81-a shell, 82-a propeller, 9-a driving assembly, 91-a driving motor, 92-a motor support and 93-a coupler.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a method for repairing and replacing a full-rotation rudder propeller device, wherein fig. 1 is a general diagram of a technical scheme of the method for repairing and replacing the full-rotation rudder propeller device, fig. 2 is a schematic diagram of connection between the full-rotation rudder propeller device and a driving assembly, the full-rotation rudder propeller device 8 is in transmission connection with the driving assembly 9 through an input shaft, and the driving assembly 9 comprises: driving motor 91, motor support 92 and shaft coupling 93, the rudder propeller device 8 that turns around entirely includes: casing 81 and propeller 82, when the rudder propeller device 8 that turns round is connected with drive assembly 9, at first install motor support 92 between the two and play the supporting role, then the output shaft of driving motor 92 passes through shaft coupling 93 with the input shaft of rudder propeller device 8 that turns round and connects in motor support 92, realize the power transmission between drive assembly 9 and rudder propeller device 8 that turns round, the input shaft is connected with propeller 82 simultaneously, provide 360 turning force for propeller 82, the propulsive power of propeller 82 in addition, in order to realize rudder propeller device 8 that turns round provides thrust for boats and ships at 360 within ranges, make boats and ships have good manipulation performance.
Fig. 3 is a flowchart of a method for modifying a rudder propeller device, as shown in fig. 3:
step 101: and disassembling the driving assembly which is installed together with the full-turning rudder propeller device.
Step 102: and sealing the gap at the input shaft of the full-rotation rudder propeller device.
Specifically, step 102 is implemented as follows: a sealing structure is covered at the input shaft of the full-rotation rudder propeller device, and the gap at the input shaft is the gap between the input shaft of the full-rotation rudder propeller device and the shell of the full-rotation rudder propeller device.
Step 103: and a cable is arranged on the full-rotation rudder propeller device.
Step 104: and the full-turning rudder propeller device is detached from the ship shaft, and is lifted out of the water through a cable.
Step 105: and repairing and replacing the rudder propeller device.
Specifically, the repairing and replacing operation of the rudder propeller device may be replacement or maintenance of a sealing assembly of the rudder propeller device, maintenance of a lubricating system of the rudder propeller device, replacement of damaged parts of the rudder propeller device, and the like, which is not limited by the present invention.
Step 106: and sealing the gap at the input shaft of the full-rotation rudder propeller device.
Specifically, the specific implementation manner of step 106 is substantially the same as that of step 102, and it should be noted that if the repair and replacement operation requires the seal structure that is disposed at the input shaft of the rudder propeller device to be detached, after the repair and replacement operation is performed on the rudder propeller device, the seal structure detached before the repair and replacement operation needs to be replaced by a new seal structure disposed at the input shaft of the rudder propeller device, and if the repair and replacement operation does not require the seal structure that is disposed at the input shaft of the rudder propeller device to be detached, step 106 may be omitted.
Step 107: and hoisting the full-rotation rudder propeller device into the water through a cable, and installing the full-rotation rudder propeller device on the shaft of the ship.
Step 108: and (5) disassembling the seal at the input shaft of the full-rotation rudder propeller device.
Step 109: the driving assembly is installed with the rudder propeller.
The embodiment of the invention provides a method for repairing and replacing a full-rotation rudder propeller device, which effectively avoids huge economic loss caused by docking of a ship due to damage of the full-rotation rudder propeller device by directly disassembling the full-rotation rudder propeller from the water and repairing and replacing the full-rotation rudder propeller on a hull clamp plate, greatly shortens the maintenance period, reduces the maintenance cost, improves the maintainability of the device because a driving assembly connected with the device is disassembled before the full-rotation rudder propeller device is lifted out, and can be lifted out by using a cable after sealing is well done, meanwhile, sealing measures are done after maintenance is finished, the cable is used for lifting into the water and mounting to a surrounding well of the ship, so that the operation difficulty of the method is very low, and the input shaft of the full-rotation rudder propeller device is sealed by lifting in and out from the water, the device can be prevented from being corroded and damaged by seawater when the full-rotation rudder propeller device is disassembled, and the practicability of the invention is enhanced.
Fig. 4 is a flowchart of another method for modifying and replacing a rudder propeller device according to an embodiment of the present invention, and referring to fig. 4, the method for modifying and replacing includes:
step 201: and disassembling the driving assembly which is installed together with the full-turning rudder propeller device.
Therefore, the full-rotation rudder propeller device can be conveniently detached and lifted out of the water, and convenience is improved.
Step 202: and sealing the gap at the input shaft of the full-rotation rudder propeller device.
Specifically, step 202 may be implemented by:
step 202 a: an input shaft seal cover is provided (see fig. 5).
Step 202 b: and the input shaft sealing cover is hermetically arranged on the full-rotation rudder propeller device, so that the input shaft sealing cover is covered outside the input shaft of the full-rotation rudder propeller device.
Preferably, the input shaft sealing cover is hermetically mounted on the rudder propeller device through a bolt.
More preferably, a sealing gasket is clamped between the input shaft sealing cover and the full-turning rudder propeller device.
Step 203: and providing a sealing barrel (see fig. 6), and sealing and installing the sealing barrel on the ship surrounding well, so that the sealing barrel is arranged outside the installation through hole of the ship surrounding well for accommodating the full-turning rudder propeller device.
Specifically, step 203 may be implemented by: the sealing barrel is hermetically arranged on the ship surrounding well through bolts.
Therefore, after the full-rotation rudder propeller device is disassembled, seawater is prevented from entering the clamping plate through the arranged sealing bucket, the corrosion of the seawater to the clamping plate is avoided, and the safety of the invention is higher.
Step 204: and a cable is arranged on the full-rotation rudder propeller device.
Specifically, step 204 may be implemented by:
step 204 a: one end of the first cable is arranged on the first lifting lug, one end of the second cable is arranged on the second lifting lug, and the first lifting lug and the second lifting lug are both arranged on the all-rotation steering oar device (see figure 6).
And step 204b, mounting one end of the first cable on the full-rotation rudder propeller device, penetrating the other end of the first cable out of the sealing barrel, mounting one end of the second cable on the full-rotation rudder propeller device, and penetrating the other end of the second cable out of the water (see fig. 6).
Therefore, the full-rotation rudder propeller device is convenient to hang in and out, the lifting difficulty is reduced, and the practical operability of the invention is strong.
Step 205: the rudder propeller device is detached from the vessel shaft and is lifted out of the water by means of cables (see fig. 7).
It should be noted that in order to avoid the rudder propeller device from falling into the water due to its own weight after being disassembled, the first cable needs to be tightened before step 205 (see fig. 6).
More specifically, when the rudder propeller device is lifted out from the water, the adopted method is as follows: the second cable is pulled up while the first cable is put down until the full-rotation rudder propeller device is hung on the ship body,
therefore, the operation safety can be effectively improved, and the invention has controllability.
Step 206: and repairing and replacing the rudder propeller device.
Therefore, the docking of the ship can be avoided, the dead time of the ship is reduced, and the economic loss is reduced.
Step 207: and sealing the gap at the input shaft of the full-rotation rudder propeller device.
Specifically, if the maintenance work needs to detach the seal structure that covers the input shaft of the rudder propeller device, after the maintenance work is performed on the rudder propeller device, the seal structure detached before the maintenance work needs to be replaced is replaced on the input shaft of the rudder propeller device, and if the maintenance work does not need to detach the seal structure that covers the input shaft of the rudder propeller device, step 207 may be omitted.
Therefore, the all-meeting steering oar device can be sealed, the damage caused by the fact that the all-meeting steering oar device invades seawater under water is avoided, and the safety is improved.
Step 208: and hoisting the full-rotation rudder propeller device into the water through a cable, and installing the full-rotation rudder propeller device on the shaft of the ship.
Specifically, when the rudder propeller device is placed back to the installation position after maintenance is completed, the adopted method is that the rudder propeller device is firstly placed into the sea from the ship surrounding well, and then the first cable 1 is pulled up while the second cable 2 is put down until the rudder propeller device is pulled to the installation position.
Therefore, the operation safety can be effectively improved, and the invention has controllability.
Step 209: and (5) disassembling the seal at the input shaft of the full-rotation rudder propeller device.
Specifically, before step 209, step 208a is further included: the water in the sealed tub is pumped out using a pump assembly (see fig. 8).
The seal of the output of the input shaft can be detached after the seawater is pumped, so that the damage of the device caused by the seawater entering the all-purpose rudder propeller device is avoided, and the tightness of the design of the invention is embodied.
Step 210: the sealed barrel is disassembled and the drive assembly is installed with the full-turn rudder propeller.
Therefore, the purpose that the full-reinstalled rudder propeller device is not repaired or replaced in the ship and the dock is achieved, and economic loss is avoided.
The method is simple to use and operate, makes it possible to disassemble the full-rotation rudder propeller device underwater, maintains the rudder propeller device without the need of docking a ship or a platform, and has the advantages of convenient disassembly, time saving and low cost.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A repairing and replacing method of a full-rotation rudder propeller device is suitable for the full-rotation rudder propeller device installed on a ship trunk, and is characterized by comprising the following steps:
disassembling a driving assembly which is installed together with the full-rotation rudder propeller device;
sealing a gap at the input shaft of the rudder propeller device;
providing a sealed barrel;
the sealing barrel is hermetically installed on the ship surrounding well through a bolt, so that the sealing barrel is arranged outside an installation through hole of the ship surrounding well, which is used for accommodating the full-rotation rudder propeller device;
a cable is arranged on the full-rotation rudder propeller device;
detaching the full-turning rudder propeller device from the ship shaft and hoisting the full-turning rudder propeller device out of the water through the cable;
repairing and replacing the full-rotation rudder propeller device;
sealing a gap at the input shaft of the rudder propeller device;
hoisting the rudder propeller device into the water through the cable, and installing the rudder propeller device on the shaft of the ship;
pumping out the water in the sealed barrel;
disassembling the seal at the input shaft of the full-rotation rudder propeller device;
mounting the drive assembly with the rudder propeller.
2. The method of claim 1, wherein the step of sealing the gap at the input shaft of the rudder propeller device comprises:
providing an input shaft seal cover;
and the input shaft sealing cover is hermetically arranged on the full-rotation rudder propeller device, so that the input shaft sealing cover is covered outside the input shaft of the full-rotation rudder propeller device.
3. The method of retrofitting according to claim 2 wherein said input shaft seal cap is sealingly mounted to said rudder propeller device by bolts.
4. The method of claim 1, wherein the step of installing a cable on the rudder propeller device comprises:
mounting one end of a first cable on the full-rotation rudder propeller device, and penetrating the other end of the first cable out of the sealing barrel;
and one end of a second cable is arranged on the full-rotation rudder propeller device, and the other end of the second cable penetrates out of the water.
5. The method of claim 4, wherein a first lifting lug is provided on the rudder paddle, and one end of the first cable is attached to the first lifting lug.
6. The method of claim 4, wherein a second lifting lug is provided on the rudder paddle, and one end of the second cable is attached to the second lifting lug.
7. The method of retrofitting according to claim 4 wherein prior to removing said rudder propeller device from said vessel shaft, comprising:
tightening the first cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965121.3A CN108045496B (en) | 2017-10-17 | 2017-10-17 | Repairing and replacing method for full-rotation rudder propeller device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965121.3A CN108045496B (en) | 2017-10-17 | 2017-10-17 | Repairing and replacing method for full-rotation rudder propeller device |
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| CN108045496B true CN108045496B (en) | 2020-03-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557044B (en) * | 2018-05-23 | 2019-11-22 | 武汉船用机械有限责任公司 | A kind of propeller hub hoisting tool |
| CN109292068B (en) * | 2018-08-30 | 2020-04-17 | 武汉船用机械有限责任公司 | Propelling unit of full-rotation rudder propeller device and manufacturing method thereof |
| CN111661275B (en) * | 2020-05-29 | 2021-06-08 | 广州文冲船舶修造有限公司 | Rudder stock replacing process |
| CN111994249B (en) * | 2020-09-04 | 2021-09-07 | 广州高腾科技有限公司 | Marine yacht convenient to maintain |
| CN112498625B (en) * | 2020-10-30 | 2023-05-05 | 沪东中华造船(集团)有限公司 | Quick temporary maintenance method for ship suspension rudder bearing |
| CN114084311A (en) * | 2021-12-27 | 2022-02-25 | 江龙船艇科技股份有限公司 | High-precision installation method for full-slewing device |
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| CN102501958A (en) * | 2012-01-06 | 2012-06-20 | 肖鑫生 | Electric full-circle rotation inboard and outboard (double-motor) contra-rotating propeller propulsion unit |
| CN205770088U (en) * | 2016-05-25 | 2016-12-07 | 南京高精船用设备有限公司 | Boats and ships cartridge type is stretched all-direction propeller |
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|---|---|---|---|---|
| FI62800B (en) * | 1975-06-18 | 1982-11-30 | Liaaen As A M | ANORDNING FOER FRAMDRIFT OCH / ELLER STYRNING AV ETT FARTYG |
| CN101475057A (en) * | 2009-02-01 | 2009-07-08 | 肖鑫生 | 360-degree all-revolving shipping pairing rotating paddle propulsion unit |
| CN102501958A (en) * | 2012-01-06 | 2012-06-20 | 肖鑫生 | Electric full-circle rotation inboard and outboard (double-motor) contra-rotating propeller propulsion unit |
| CN106660620A (en) * | 2015-06-09 | 2017-05-10 | 瓦锡兰荷兰公司 | Sealing arrangement for an underwater mountable thruster of a marine vessel |
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|---|---|
| CN108045496A (en) | 2018-05-18 |
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