CN113879485A - Method for replacing rudder pintle bearing of semi-suspension rudder - Google Patents
Method for replacing rudder pintle bearing of semi-suspension rudder Download PDFInfo
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- CN113879485A CN113879485A CN202111013154.0A CN202111013154A CN113879485A CN 113879485 A CN113879485 A CN 113879485A CN 202111013154 A CN202111013154 A CN 202111013154A CN 113879485 A CN113879485 A CN 113879485A
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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
- B63B81/00—Repairing or maintaining vessels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/38—Rudders
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- Combustion & Propulsion (AREA)
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Abstract
The invention provides a method for replacing a rudder pintle bearing of a semi-suspension rudder, which comprises the following steps of: respectively adjusting the installation gaps of the upper rudder bearing, the lower rudder bearing and the rudder stock, and determining the central line superposition of the upper rudder bearing and the lower rudder bearing; the first rudder pintle bearing is dismantled, and a second rudder pintle bearing is installed to be sleeved and fixed on the rudder pintle and fixedly connected with the rudder horn; the first rudder pintle bearing is a damaged original rudder pintle bearing, and the second rudder bearing is a new rudder pintle bearing processed according to the first rudder pintle bearing; the second rudder pintle bearing is calibrated so that its centre line overlaps the centre lines of the upper and lower rudder bearings. The method for replacing the rudder pintle rudder bearing of the semi-suspension rudder determines the center line of the rudder pintle bearing according to the center lines of the upper rudder bearing and the lower rudder bearing, adjusts the installation position of the rudder pintle bearing according to the center line, avoids the disassembly and the installation of a rudder blade and a rudder stock, is simple and convenient, and can quickly solve the technical problem of replacing and repairing the rudder pintle bearing.
Description
Technical Field
The invention belongs to the technical field of ship maintenance, and particularly relates to a method for replacing a rudder pintle bearing of a semi-suspension rudder.
Background
The semi-suspended rudder for ship is fixed on the tail of the ship body, and generally comprises a rudder blade, a rudder stock, an upper rudder bearing, a lower rudder bearing, a rudder pintle and a rudder pintle bearing, wherein one end of the rudder stock penetrates into the ship body, the other end of the rudder stock penetrates into the rudder blade, so that the rudder blade is fixed on the ship body, the upper rudder bearing is fixed on the upper part of the rudder stock and positioned inside the ship body, and the lower rudder bearing is fixed on the lower part of the rudder stock. One end of the rudder pintle is sleeved with the first rudder pintle bearing, and the other end of the rudder pintle is fixed inside the rudder blade, so that the connection between the rudder blade and the ship body is further reinforced. The rudder pintle bearing is easily abraded due to the impact force of wind and waves on the rudder blade, and when the abrasion gap exceeds the use standard, the rudder pintle bearing needs to be replaced by a new one.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art, and provides a method for replacing a rudder pintle bearing of a semi-suspension rudder.
The invention is realized by the following technical scheme:
the semi-suspension rudder is fixed at the lower part of one end of the ship body in a protruding mode and comprises a rudder stock, a rudder blade, an upper rudder bearing, a lower rudder bearing, a rudder pintle and a first rudder pintle bearing; the upper end of the rudder stock is fixed in the ship body, and the lower end of the rudder stock is fixed in the rudder blade; the upper rudder bearing is fixed in the ship body and sleeved at the upper end of the rudder stock, and the lower rudder bearing is fixed in the rudder blade and sleeved at the lower end of the rudder stock; one end of the rudder pintle is sleeved with the first rudder pintle bearing, the other end of the rudder pintle is fixed in the rudder blade, and the center line of the rudder pintle is overlapped with the center line of the rudder stock; a rudder horn is fixed on the hull in a protruding manner and is fixedly connected with a first rudder pintle bearing; a method of replacing a rudder pin bearing of a semi-suspended rudder, comprising the steps of: respectively adjusting the installation gaps between the upper rudder bearing and the lower rudder bearing and the rudder stock, and determining the central line superposition of the upper rudder bearing and the lower rudder bearing; removing the first rudder pintle bearing, and installing a second rudder pintle bearing to enable the second rudder pintle bearing to be sleeved and fixed on the rudder pintle and fixedly connected with the rudder horn, wherein the first rudder pintle bearing is a damaged original rudder pintle bearing, and the second rudder pintle bearing is a new rudder pintle bearing processed according to the first rudder pintle bearing; the second rudder pintle bearing is calibrated so that its centre line overlaps the centre lines of the upper and lower rudder bearings.
The method for replacing the rudder pintle rudder bearing of the semi-suspension rudder determines the center line of the rudder pintle bearing according to the center lines of the upper rudder bearing and the lower rudder bearing, adjusts the installation position of the rudder pintle bearing according to the center line, avoids the disassembly and the installation of a rudder blade and a rudder stock, is simple and convenient, and can quickly solve the technical problem of replacing and repairing the rudder pintle bearing.
Further, respectively adjusting the installation gaps of the upper rudder bearing, the lower rudder bearing and the rudder stock to ensure that the installation gap delta 1 of the upper rudder bearing and the rudder stock and the installation gap delta 2 of the lower rudder bearing and the rudder stock are the same, and the central lines of the upper rudder bearing and the lower rudder bearing are overlapped with the central line of the rudder stock; when the central line of the lower rudder bearing deviates to any direction, a pulling device is used for being connected with the rudder blade, the pulling device applies pulling force to the rudder blade towards the direction opposite to the direction, the position of the rudder blade is corrected, the rudder blade deviates towards the direction opposite to the direction, and therefore the installation gap delta 2 between the lower rudder bearing and the rudder stock is adjusted. When the mounting clearance delta 1 is adjusted to be the same as the mounting clearance delta 2, and the distance between the upper rudder bearing and the lower rudder bearing and the rudder stock in any direction is equal, the upper rudder bearing and the lower rudder bearing are overlapped with the central line of the rudder stock; since the lower rudder bearing is fixed inside the rudder blade, the adjustment of the mounting gap Δ 2 is obtained by adjusting the position of the rudder blade.
Further, according to the corrected position of the rudder blade and the position of the rudder pintle fixed in the rudder blade, correcting the installation gap delta 3 between the second rudder pintle bearing and the rudder pintle, so that the central line of the second rudder pintle bearing is overlapped with the central line of the rudder pintle. In order to realize the navigation and steering function of the rudder blade in the prior art, the rudder pin is generally designed to be overlapped with the center line of the rudder stock after being installed, when the position of the rudder blade is corrected, and the center line of the lower rudder bearing is presumed to be overlapped with the center line of the rudder stock by measuring the installation gap delta 2, the center line of the rudder pin is also overlapped with the center line of the rudder stock at the moment, so that the upper bearing, the lower bearing are overlapped with the center line of the rudder stock, the installation gap delta 3 between the second rudder pin bearing and the rudder stock can be determined and corrected according to the position of the rudder pin, and when the distance between the second rudder pin bearing and the rudder stock in any direction is adjusted to be the same, the center line of the second rudder pin bearing is overlapped with the center line of the rudder stock, namely overlapped with the center lines of the rudder stock, the upper bearing and the lower bearing.
Furthermore, a first through hole is formed in one end, close to the ship body, of the rudder blade, and the lower end of the rudder stock is fixed to the first through hole through the lower rudder bearing; a through groove is formed in one side, close to the ship body, of the middle of the rudder blade, and the rudder horn is arranged in the through groove. This is a specific implementation, through the rudderstock with the rudder blade is fixed in the hull, through hang rudder arm with the rudder blade is fixed in the hull, the rudder blade obtains dual fixed, keeps firm connection when receiving external force and assaults.
Further, the rudder horn comprises a horn body, a third through hole is formed in the horn body, and the second rudder pintle bearing is fixed in the third through hole; the arm body is arranged in the through groove. In this embodiment, a through hole is formed in the arm for mounting a second rudder pintle bearing, so that the arm is fixedly connected to one end of the rudder pintle.
Further, the third through hole is communicated by through holes with overlapped center lines of the radii of R1 and R2 to form a step shape, wherein R1 is larger than R2, the second rudder pintle bearing is arranged in the through hole with the radius of R1, the lower surface of the second rudder pintle bearing is abutted against the bottom surface of the through hole with the radius of R1, and the rudder pintle penetrates through the through holes with the radii of R1 and R2. And supporting the second rudder pintle bearing by forming a stepped third through hole, and fixing the rudder pintle in the rudder blade by penetrating the third through hole.
Further, a buffer is arranged between the second rudder pintle bearing and the bottom surface of the through hole with the radius of R1. The buffer piece is used for buffering external force impact and reducing abrasion of the second rudder pintle bearing.
Further, the thickness of the wall of the second rudder pintle bearing is smaller than that of the wall of the first rudder pintle bearing, that is, the outer diameter of the second rudder pintle bearing is smaller than that of the first rudder pintle bearing, and the thickness direction is from the center of the second rudder pintle bearing to the side of the second rudder pintle bearing; and a glue pouring groove is formed in the side surface of the second rudder pintle bearing, when the second rudder pintle bearing is fixed in the third through hole, glue is poured to enable the second rudder pintle bearing to be filled in the glue pouring groove and a gap between the side surface of the second rudder pintle bearing and the third through hole. The wall thickness of the second rudder pintle bearing is smaller than that of the first rudder pintle bearing, so that a glue pouring space is reserved, glue is poured, and the effect of fixing the second rudder pintle bearing is achieved after the glue is dried and solidified.
Further, the glue pouring groove comprises a transverse groove and a longitudinal groove, and the transverse groove is formed along the transverse direction of the side surface of the second rudder pintle bearing; the longitudinal groove is formed along the direction from the top surface to the bottom surface of the second rudder pintle bearing or from the bottom surface to the top surface of the second rudder pintle bearing. The transverse groove and the longitudinal groove are respectively formed, so that the roughness of the surface of the second rudder pintle bearing in different directions is increased, and the sliding of the second rudder pintle bearing is effectively prevented.
Furthermore, the rudder horn further comprises a pressing plate, glue is poured into the pressing plate, after the glue is dried, the pressing plate is fixed on the rudder horn, and the pressing plate covers the upper surface of the second rudder pintle bearing. The pressing plate is used for further reinforcing the second rudder pintle bearing and preventing the second rudder pintle bearing from moving upwards.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a semi-suspended rudder.
Fig. 2 is a schematic structural view of a rudder blade.
Fig. 3 is an enlarged view at a in fig. 1.
Fig. 4 is a schematic view of the glue-pouring trough of the second rudder pintle bearing.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad invention. It should be further noted that, for convenience of description, only some structures, not all structures, relating to the embodiments of the present invention are shown in the drawings.
Furthermore, the terms first, second, third and the like in the description and in the claims, are used for descriptive purposes only to distinguish one element from another, and are not to be construed as indicating or implying relative importance or implying any order or order to the indicated elements. The terms are interchangeable where appropriate. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Similarly, the terms "fixed" and "connected," as used in the description and claims, are not to be construed as limited to direct connection. Thus, the expression "device a is connected to device B" should not be limited to devices or systems in which device a is directly connected to device B, meaning that there is a path between device a and device B, which may be a path including other devices or tools.
Example 1
The embodiment 1 provides a method for replacing a rudder pintle 15 bearing of a semi-suspension rudder 1, as shown in fig. 1, the semi-suspension rudder 1 is convexly fixed at the lower part of one end of a ship body 2 and comprises a rudder stock 11, a rudder blade 12, an upper rudder bearing 13, a lower rudder bearing 14, a rudder pintle 15 and a first rudder pintle bearing;
the upper end of the rudder stock 11 is fixed in the hull 2, and the lower end is fixed in the rudder blade 12; the upper rudder bearing 13 is fixed inside the hull 2 and sleeved on the upper end of the rudder stock 11, and the lower rudder bearing 14 is fixed inside the rudder blade 12 and sleeved on the lower end of the rudder stock 11;
one end of the rudder pintle 15 is sleeved with a first rudder pintle bearing, the other end of the rudder pintle 15 is fixed inside the rudder blade 12, and the center line of the rudder pintle 15 is overlapped with the center line of the rudder stock 11; a rudder horn 21 is fixed on the hull 2 in a protruding way, and the rudder horn 21 is fixedly connected with a first rudder pintle bearing;
the method comprises the following steps:
respectively adjusting the installation gaps of the upper rudder bearing 13 and the lower rudder bearing 14 and the rudder stock 11, and determining the central line superposition of the upper rudder bearing 13 and the lower rudder bearing 14;
the first rudder pintle bearing is removed, and the second rudder pintle bearing 17 is installed, as shown in fig. 1, so that the rudder pintle bearing is sleeved and fixed on the rudder pintle 15 and is fixedly connected with the rudder horn 21; wherein the first rudder pintle bearing is a damaged original rudder pintle 15 bearing, and the second rudder pintle bearing 17 is a new rudder pintle 15 bearing processed according to the first rudder pintle bearing;
the second rudder pin bearing 17 is aligned so that its centre line overlaps the centre lines of the upper rudder bearing 13 and the lower rudder bearing 14.
The method for replacing the rudder pintle 15 rudder bearing of the semi-suspension rudder 1 in the embodiment 1 determines the center line of the rudder pintle bearing according to the center lines of the upper rudder bearing 13 and the lower rudder bearing 14, so that the mounting position of the rudder pintle bearing is adjusted, the detachment and the mounting of the rudder blade 12 and the rudder stock 11 are avoided, the method is simple and convenient, and the technical problem of replacing and repairing the rudder pintle 15 bearing can be quickly solved.
Preferably, the installation gaps between the upper rudder bearing 13 and the rudder stock 11 and between the lower rudder bearing 14 and the rudder stock 11 are respectively adjusted, so that the installation gap Δ 1 between the upper rudder bearing 13 and the rudder stock 11 and the installation gap Δ 2 between the lower rudder bearing 14 and the rudder stock 11 are the same, and the center lines of the upper rudder bearing 13 and the lower rudder bearing 14 are both overlapped with the center line of the rudder stock 11; the center line of the lower rudder bearing 14 is deviated in any one direction, and is connected to the rudder blade 12 using a pulling means which applies a pulling force to the rudder blade 12 in the opposite direction to the one direction, corrects the position of the rudder blade 12 to deviate the rudder blade 12 in the opposite direction to the one direction, thereby adjusting the installation gap Δ 2 of the lower rudder bearing 14 and the rudder stock 11. When the mounting clearance delta 1 is adjusted to be the same as the mounting clearance delta 2, and the distance between the upper rudder bearing 13 and the lower rudder bearing 14 and the rudder stock 11 in any direction is equal, the upper rudder bearing 13 and the lower rudder bearing 14 are both overlapped with the central line of the rudder stock 11; since the lower rudder carrier is fixed inside the rudder blade 12, the adjustment of the mounting gap Δ 2 is obtained by adjusting the position of the rudder blade 12.
Preferably, the mounting gap Δ 3 between the second rudder pin bearing 17 and the rudder pin 15 is corrected so that the center line of the second rudder pin bearing 17 overlaps the center line of the rudder pin 15, based on the corrected position of the rudder blade 12 and the position of the rudder pin 15 fixed to the inside of the rudder blade 12. Since in the prior art, in order to implement the navigation and steering function of the rudder blade 12, the rudder pintle 15 is usually designed to overlap the center line of the rudder stock 11 after being installed, when the position of the rudder blade 12 is corrected, and it is inferred that the center line of the lower rudder bearing 14 overlaps the center line of the rudder stock 11 by measuring the installation gap Δ 2, it indicates that the center line of the rudder stock 15 also overlaps the center line of the rudder stock 11 at this time, therefore, the upper bearing 13, the lower bearing 14 overlap the center line of the rudder stock 15, the installation gap Δ 3 between the second rudder stock bearing 17 and the rudder stock 15 can be determined and corrected according to the position of the rudder stock 15, and when the second rudder stock bearing 17 is adjusted to be the same as the rudder stock 11 in any direction, it indicates that the center line of the second rudder stock bearing 17 overlaps the center line of the rudder stock 15, that is, the center line of the rudder stock 11, the upper bearing 13 and the lower bearing 14.
In a specific embodiment, an installation gap between the lower rudder bearing 14 and the rudder stock 11 is adjusted, a hand-drive block may be disposed beside the rudder blade 12, one end of the hand-drive block is connected to the rudder blade 12, and the other end of the hand-drive block is connected to a docking block or a large vehicle, and the rudder blade 12 is deformed by a pulling force of the hand-drive block by the weight of the docking block or the large vehicle, so that a gap between the lower rudder bearing 14 disposed inside the rudder blade 12 and the rudder stock 11 is adjusted to meet a standard. A thrust bearing is fixed inside the hull 2 and is connected to the upper rudder bearing 13, so that the center line of the upper bearing can be adjusted and confirmed by determining the center line of the thrust bearing. After the central lines of the upper rudder bearing 13 and the lower rudder bearing 14 are determined to be overlapped with the central line of the rudder stock 11, the rudder blade 12 and the ship body 2 are assisted and fixed by using the ribbed plates, so that the adjusted upper rudder bearing 13 and the adjusted lower rudder bearing 14 keep the current positions and do not displace.
Removing the first rudder pintle bearing and installing the second rudder pintle bearing 17, specifically: the first rudder pintle bearing is removed, cleaned and measured, and the second rudder pintle bearing 17 is machined according to the dimensions of the first rudder pintle bearing and installed.
Preferably, as shown in fig. 1 and 2, one end of the rudder blade 12 close to the hull 2 is provided with a first through hole 121, and the lower end of the rudder stock 11 is fixed in the first through hole 121; a through groove 122 is formed in the middle of the rudder blade 12 close to one side of the hull 2, and the rudder horn 21 is disposed in the through groove 122. In this embodiment, the rudder blade 12 is fixed to the hull 2 by the rudder stock 11, and the rudder blade 12 is fixed to the hull 2 by the rudder horn 21, so that the rudder blade 12 is doubly fixed and stably connected when being impacted by an external force.
More preferably, as shown in fig. 1 and fig. 3, the rudder horn 21 includes a horn 211, the horn 211 is opened with a third through hole 2112, and the second rudder pintle bearing 17 is fixed in the third through hole 2112; the arm 211 is disposed in the through slot 122. In this embodiment, a through hole is formed in the arm 211 for mounting the second rudder pintle bearing 17, so that the arm 211 is fixedly connected to one end of the rudder pintle 15.
More preferably, as shown in fig. 3, the third through hole 2112 is formed in a stepped shape by communicating through holes having two center lines with radii R1 and R2, respectively, overlapping, where R1 > R2, the second rudder pin bearing 17 is disposed in the through hole with radius R1, and the lower surface thereof abuts against the bottom surface of the through hole with radius R1, and the rudder pin 15 passes through the through holes with radii R1 and R2, respectively. The second rudder pintle bearing 17 is supported by forming a stepped third through hole 2112, and the rudder pintle 15 is fixed to the inside of the rudder blade 12 by passing through the third through hole 2112.
Preferably, as shown in fig. 3, a buffer is provided between the second rudder pintle bearing 17 and the bottom surface of the through hole having the radius R1. The buffer is used for buffering external force impact and reducing abrasion of the second rudder pintle bearing 17.
More preferably, as shown in fig. 4, the thickness of the wall of the second rudder pintle bearing 17 is smaller than that of the first rudder pintle bearing, that is, the outer diameter of the second rudder pintle bearing 17 is smaller than that of the first rudder pintle bearing, and the thickness direction is from the middle of the second rudder pintle bearing to the side of the second rudder pintle bearing; the glue pouring groove 171 is formed in the side face of the second rudder pintle bearing 17, and when the second rudder pintle bearing 17 is fixed in the third through hole 2112, glue is poured to enable the glue pouring groove 171 to fill a gap between the side face of the second rudder pintle bearing 17 and the third through hole 2112. The wall thickness of the second pin bearing 17 is smaller than that of the first rudder pin bearing, a glue pouring space is reserved for pouring glue, and the glue is dried and solidified to play a role in fixing the second rudder pin bearing 17.
In a specific embodiment, the glue is epoxy, and the epoxy is poured until the epoxy fills the glue pouring groove 171 and the gap between the second rudder pintle bearing 17 and the third through hole 2112.
More preferably, the glue pouring groove 171 includes a transverse groove and a longitudinal groove, and the transverse groove is opened along the transverse direction of the side surface of the second rudder pintle bearing 17; the longitudinal grooves are open in the direction from the top to the bottom or from the bottom to the top of the second rudder pintle bearing 17. The transverse grooves and the longitudinal grooves are respectively formed, so that the roughness of the surface of the second rudder pintle bearing 17 in different directions is increased, and the sliding of the second rudder pintle bearing is effectively prevented.
Preferably, as shown in fig. 3, the rudder horn 21 further includes a pressing plate 212, the pressing plate 212 is fixed to the rudder horn after the glue is poured and dried, and the pressing plate 212 covers the upper surface of the second rudder pintle bearing 17. The pressure plate 212 serves to further stiffen the second rudder pin bearing 17 against upward movement.
In a specific embodiment, the semi-suspended rudder 1 further comprises a bushing 18, as shown in fig. 3, the bushing 18 is fixedly sleeved on the rudder pintle 15 and is located between the rudder pintle 15 and the first or second rudder pintle bearing 17. The bushing 18 is provided to reduce wear of the rudder pin 15.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. A method for replacing a rudder pintle bearing of a semi-suspension rudder, wherein the semi-suspension rudder protrudes and is fixed at the lower part of one end of a ship body and comprises a rudder stock, a rudder blade, an upper rudder bearing, a lower rudder bearing, a rudder pintle and a first rudder pintle bearing; the upper end of the rudder stock is fixed in the ship body, and the lower end of the rudder stock is fixed in the rudder blade; the upper rudder bearing is fixed in the ship body and sleeved at the upper end of the rudder stock, and the lower rudder bearing is fixed in the rudder blade and sleeved at the lower end of the rudder stock; one end of the rudder pintle is sleeved with the first rudder pintle bearing, the other end of the rudder pintle is fixed in the rudder blade, and the center line of the rudder pintle is overlapped with the center line of the rudder stock; a rudder horn is fixed on the hull in a protruding manner and is fixedly connected with a first rudder pintle bearing; the method is characterized in that:
the method comprises the following steps:
respectively adjusting the installation gaps of the upper rudder bearing, the lower rudder bearing and the rudder stock, and determining the central line superposition of the upper rudder bearing and the lower rudder bearing;
the first rudder pintle bearing is dismantled, and a second rudder pintle bearing is installed to be sleeved and fixed on the rudder pintle and fixedly connected with the rudder horn; the first rudder pintle bearing is a damaged original rudder pintle bearing, and the second rudder pintle bearing is a new rudder pintle bearing processed according to the first rudder pintle bearing;
the second rudder pintle bearing is calibrated so that its centre line overlaps the centre lines of the upper and lower rudder bearings.
2. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 1, characterised in that:
respectively adjusting the installation gaps of the upper rudder bearing, the lower rudder bearing and the rudder stock to ensure that the installation gap delta 1 of the upper rudder bearing and the rudder stock and the installation gap delta 2 of the lower rudder bearing and the rudder stock are the same, and the central lines of the upper rudder bearing and the lower rudder bearing are overlapped with the central line of the rudder stock;
when the central line of the lower rudder bearing deviates to any direction, a pulling device is used for being connected with the rudder blade, the pulling device applies pulling force to the rudder blade towards the direction opposite to the direction, the position of the rudder blade is corrected, the rudder blade deviates towards the direction opposite to the direction, and therefore the installation gap delta 2 between the lower rudder bearing and the rudder stock is adjusted.
3. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 2, characterised in that:
and correcting the installation gap delta 3 between the second rudder pintle bearing and the rudder pintle according to the corrected position of the rudder blade and the position of the rudder pintle fixed in the rudder blade, so that the central line of the second rudder pintle bearing is overlapped with the central line of the rudder pintle.
4. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 1, characterised in that:
one end of the rudder blade, which is close to the ship body, is provided with a first through hole, and the lower end of the rudder stock is fixed in the first through hole through the lower rudder bearing; a through groove is formed in one side, close to the ship body, of the middle of the rudder blade, and the rudder horn is arranged in the through groove.
5. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 4, characterised in that:
the rudder horn comprises a horn body, a third through hole is formed in the horn body, and the second rudder pintle bearing is fixed in the third through hole; the arm body is arranged in the through groove.
6. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 5, characterised in that:
the third through hole is communicated by through holes with overlapped center lines of R1 and R2, the radii of the through holes are respectively R1 > R2, the second rudder pintle bearing is arranged in the through hole with the radius of R1, the lower surface of the second rudder pintle bearing is abutted to the bottom surface of the through hole with the radius of R1, and the rudder pintle penetrates through the through holes with the radii of R1 and R2.
7. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 6, characterised in that:
and a buffer is arranged between the second rudder pintle bearing and the bottom surface of the through hole with the radius of R1.
8. Method for replacing a rudder pin bearing of a semi-suspended rudder according to any one of claims 5-7, characterised in that:
the thickness of the wall of the second rudder pintle bearing is smaller than that of the wall of the first rudder pintle bearing, namely the outer diameter of the second rudder pintle bearing is smaller than that of the first rudder pintle bearing, and the thickness direction is from the center of the second rudder pintle bearing to the side surface of the second rudder pintle bearing; and a glue pouring groove is formed in the side surface of the second rudder pintle bearing, when the second rudder pintle bearing is fixed in the third through hole, glue is poured to fill a gap between the side surface of the second rudder pintle bearing in the glue pouring groove and the third through hole.
9. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 8, characterised in that:
the glue pouring groove comprises a transverse groove and a longitudinal groove, and the transverse groove is formed along the transverse direction of the side surface of the second rudder pintle bearing; the longitudinal groove is formed along the direction from the top surface to the bottom surface of the second rudder pintle bearing or from the bottom surface to the top surface of the second rudder pintle bearing.
10. Method for replacing a rudder pin bearing of a semi-suspended rudder according to claim 8, characterised in that:
the rudder horn further comprises a pressing plate, the pressing plate is fixed on the arm after glue is poured and dried, and the pressing plate covers the upper surface of the second rudder pintle bearing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111013154.0A CN113879485B (en) | 2021-08-31 | 2021-08-31 | Method for replacing rudder pintle bearing of semi-suspension rudder |
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| CN202111013154.0A CN113879485B (en) | 2021-08-31 | 2021-08-31 | Method for replacing rudder pintle bearing of semi-suspension rudder |
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| CN113879485B CN113879485B (en) | 2022-11-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123448A (en) * | 2022-07-28 | 2022-09-30 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Novel ship combined accessory |
| CN115158602A (en) * | 2022-08-22 | 2022-10-11 | 广船国际有限公司 | Rudder pin maintenance method for ship semi-mounted rudder |
| CN115817754A (en) * | 2022-12-15 | 2023-03-21 | 招商局金陵鼎衡船舶(扬州)有限公司 | Method for replacing lower rudder bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005247122A (en) * | 2004-03-04 | 2005-09-15 | Oshima Shipbuilding Co Ltd | Rudder device and its mounting method |
| CN101850490A (en) * | 2010-05-31 | 2010-10-06 | 南通中远船务工程有限公司 | Rudder pintle bearing body repairing process based on metal repairing agent casting |
| CN103029806A (en) * | 2011-10-10 | 2013-04-10 | 上海船厂船舶有限公司 | Ship rudder blade repairing method |
| CN103286637A (en) * | 2012-02-24 | 2013-09-11 | 上海船厂船舶有限公司 | Method for calibrating concentricity of rudder stock, rudder blade and rudder pintle, measuring deviation and mounting rudder stock and rudder blade |
| CN106184609A (en) * | 2015-05-08 | 2016-12-07 | 江南造船(集团)有限责任公司 | Semi-spade rudder installation method under half ship floating state |
-
2021
- 2021-08-31 CN CN202111013154.0A patent/CN113879485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005247122A (en) * | 2004-03-04 | 2005-09-15 | Oshima Shipbuilding Co Ltd | Rudder device and its mounting method |
| CN101850490A (en) * | 2010-05-31 | 2010-10-06 | 南通中远船务工程有限公司 | Rudder pintle bearing body repairing process based on metal repairing agent casting |
| CN103029806A (en) * | 2011-10-10 | 2013-04-10 | 上海船厂船舶有限公司 | Ship rudder blade repairing method |
| CN103286637A (en) * | 2012-02-24 | 2013-09-11 | 上海船厂船舶有限公司 | Method for calibrating concentricity of rudder stock, rudder blade and rudder pintle, measuring deviation and mounting rudder stock and rudder blade |
| CN106184609A (en) * | 2015-05-08 | 2016-12-07 | 江南造船(集团)有限责任公司 | Semi-spade rudder installation method under half ship floating state |
Non-Patent Citations (1)
| Title |
|---|
| 赵华锋: "《中国优秀硕士学位论文全文数据库》", 31 March 2013 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123448A (en) * | 2022-07-28 | 2022-09-30 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Novel ship combined accessory |
| CN115158602A (en) * | 2022-08-22 | 2022-10-11 | 广船国际有限公司 | Rudder pin maintenance method for ship semi-mounted rudder |
| CN115817754A (en) * | 2022-12-15 | 2023-03-21 | 招商局金陵鼎衡船舶(扬州)有限公司 | Method for replacing lower rudder bearing |
| CN115817754B (en) * | 2022-12-15 | 2024-05-31 | 招商局金陵鼎衡船舶(扬州)有限公司 | Novel rudder down bearing and replacing method |
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| CN113879485B (en) | 2022-11-08 |
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