CN109515611B - Rolling bracket assembly for mounting ship stern shaft - Google Patents
Rolling bracket assembly for mounting ship stern shaft Download PDFInfo
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- CN109515611B CN109515611B CN201811230699.5A CN201811230699A CN109515611B CN 109515611 B CN109515611 B CN 109515611B CN 201811230699 A CN201811230699 A CN 201811230699A CN 109515611 B CN109515611 B CN 109515611B
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- movable support
- bottom plate
- shaft
- roller
- stern shaft
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention relates to the technical field of ship stern shaft installation, and discloses a rolling bracket assembly for ship stern shaft installation, which comprises a horizontally arranged bottom plate and a pair of fixed supports arranged on the bottom plate and arranged in the left-right direction, wherein a horizontal pin shaft is respectively arranged on the pair of fixed supports, the axes of the two pin shafts are arranged in the front-back direction and are parallel to each other, the two pin shafts are respectively and rotatably connected with a movable support, a roller is arranged on the movable support and positioned at the upper part of the pin shaft, and the axis of the roller is arranged in the left-right direction; the bottom plane of the movable support is higher than the upper end face of the bottom plate, and after the movable support rotates clockwise or anticlockwise around the pin shaft and is inclined for a certain angle, one end part of the bottom plane of the movable support leans against the upper end face of the bottom plate. The invention realizes the axial stable rolling of the screw shaft during the installation, ensures the axial stable displacement of the screw shaft and ensures the smooth installation of the screw shaft.
Description
Technical Field
The invention relates to the technical field of ship stern shaft installation, in particular to a rolling bracket assembly for ship stern shaft installation.
Background
The stern tube of a large bulk cargo ship is usually designed by a single bearing, and in the construction stage of installing the stern shaft into the stern tube, the conventional method is to slowly carry out the hoisting by adopting a manual hoist pulling method.
Disclosure of Invention
In order to solve the problems, the invention provides a rolling bracket assembly for mounting a stern shaft of a ship, which aims to realize the axial stable rolling of the stern shaft during the mounting, ensure the axial stable displacement of the stern shaft and ensure the smooth mounting of the stern shaft. The specific technical scheme is as follows:
a rolling bracket assembly for mounting a stern shaft of a ship comprises a horizontally arranged bottom plate and a pair of fixed supports which are arranged on the bottom plate and are arranged in the left-right direction, wherein a horizontal pin shaft is respectively arranged on the pair of fixed supports, the axes of the two pin shafts are arranged in the front-back direction and are parallel to each other, a movable support is respectively and rotatably connected onto the two pin shafts, a roller is arranged on the upper part of the pin shaft on the movable support, and the axis of the roller is arranged in the left-right direction; the bottom plane of the movable support is higher than the upper end face of the bottom plate, and after the movable support rotates clockwise or anticlockwise around the pin shaft and is inclined for a certain angle, one end part of the bottom plane of the movable support leans against the upper end face of the bottom plate.
Preferably, the roller is rotatably supported on the movable mount by a roller shaft.
Among the above-mentioned technical scheme, through rotatable setting movable support on a pair of fixed bearing, set up the gyro wheel on the movable support, realized the axial steady roll when the stern axle is installed for the stern axle can be at the steady displacement of axial, thereby can ensure going on smoothly of stern axle installation.
On the other hand, because the movable support can inwards be emptyd (support state) or outwards be emptyd (non-support state), can let the movable support be in the outwards state of emptying at the initial stage of stern axle hoist and mount to reserve great space, wait to let the movable support be in the inwards state of emptying again in the later stage of stern axle hoist and mount, in order to realize the location of stern axle on the gyro wheel, thereby can increase security and the flexibility that the rolling bracket assembly used.
In addition, in the mounting process of the stern shaft, the switching of inward tilting or outward tilting of the movable support is utilized to confirm whether the center position of the stern shaft is in place.
In a preferred embodiment of the present invention, the roller is a drum roller having a roller surface with a convex arc surface.
The roller is a drum-shaped roller with a convex cambered surface on the roller surface, so that the center positioning precision and the stability of the stern shaft on the rolling bracket assembly can be improved.
As a further improvement on the drum-shaped roller, the shape of the drum-shaped surface on the upper portion of the drum-shaped roller on the shaft section is a section of convex arc, and the circle center of the arc is located on the axis of the pin shaft.
The circle center of the arc of the upper drum-shaped surface of the drum-shaped roller is located on the axis of the pin shaft, and the arc of the upper drum-shaped surface of the drum-shaped roller is always tangent to the diameter of the outer circle of the ship stern shaft when the drum-shaped roller rotates around the pin shaft along with the movable support, so that the movable support can be smoothly inclined outwards after the stern shaft moves in place, the drum-shaped roller is separated from the stern shaft, and subsequent further installation is facilitated.
As a second preferred embodiment of the present invention, the tilting angle of the movable support is ± 45 °.
Preferably, in order to change the tilting angle of the movable support, an adjusting cushion block for adjusting the tilting angle of the movable support can be arranged between the bottom plane of the movable support and the bottom plate so as to adapt to the support of screw shafts with different diameters.
Through set up the adjustment cushion of different thickness between the bottom plane of movable support and the bottom plate, can realize movable support's different inclination angle to the support of adaptation different diameter stern axle has improved rolling bracket assembly's commonality.
In a third preferred embodiment of the present invention, a left-right adjusting device for adjusting a position of the bottom plate in a left-right direction is connected to a lower end of the bottom plate.
Wherein, the left-right adjusting device can adopt a screw nut adjusting mechanism.
As a fourth preferable aspect of the present invention, a height adjusting device for adjusting a position of the bottom plate in a height direction is connected to a lower end of the left and right adjusting device.
Wherein, the height adjusting device can adopt a lifting mechanism.
When the rolling bracket assembly is used, the roller in the rolling bracket assembly can adjust the dumping angle of the roller according to the size of the stern shaft, so that the roller is in close contact with the stern shaft; after the stern shaft enters the front end of the stern tube, the stern shaft is placed on the rolling bracket assembly, and left-right and up-down fine adjustment is carried out through a left-right adjusting device and a height adjusting device which are arranged at the lower end of the rolling bracket assembly, so that the position of the stern shaft is always in the center of the stern tube.
During installation, a long rod is installed at the threaded end of the stern shaft, the stern shaft slowly slides on the roller through the traction of the long rod connected with the threaded end of the stern shaft, and therefore the installation of the stern shaft is smoothly completed. The design and the use of the rolling bracket assembly greatly reduce the labor intensity of operators, and simultaneously can effectively prevent the copper pipe inside the stern tube and the tail bearing from being damaged by collision in the stern shaft installation process, thereby ensuring the stern shaft installation quality.
The invention has the beneficial effects that:
first, according to the rolling bracket assembly for mounting the stern shaft of the ship, the movable support is rotatably arranged on the pair of fixed supports, and the idler wheels are arranged on the movable support, so that the stern shaft can stably roll in the axial direction during mounting, the stern shaft can stably displace in the axial direction, and smooth mounting of the stern shaft can be ensured.
Secondly, according to the rolling bracket assembly for mounting the stern shaft of the ship, the movable support can be in an inward tilting state (in a supporting state) or an outward tilting state (in a non-supporting state), so that a large space is reserved when the movable support is in the outward tilting state in the initial stage of hoisting the stern shaft, and the movable support is in the inward tilting state after the stern shaft is hoisted, so that the stern shaft is positioned on the roller, and the use safety and flexibility of the rolling bracket assembly can be improved.
Thirdly, the rolling bracket assembly for mounting the stern shaft of the ship can confirm whether the center position of the stern shaft is in place or not by switching the movable support from inward tilting to outward tilting in the process of mounting the stern shaft.
Fourthly, according to the rolling bracket assembly for mounting the stern shaft of the ship, the roller is set to be the drum-shaped roller with the roller surface provided with the convex cambered surface, so that the center positioning precision and the stability of the stern shaft on the rolling bracket assembly can be improved.
Fifth, according to the rolling bracket assembly for mounting the ship stern shaft, the circle center of the arc of the upper drum-shaped surface of the drum-shaped roller is located on the axis of the pin shaft, and the arc of the upper drum-shaped surface of the drum-shaped roller is always tangent to the diameter of the outer circle of the ship stern shaft when the drum-shaped roller rotates around the pin shaft along with the movable support, so that the movable support can be smoothly tilted outwards after the stern shaft moves in place, the drum-shaped roller is separated from the stern shaft, and subsequent further mounting is facilitated.
Sixthly, the rolling bracket assembly for mounting the ship stern shaft can realize different inclination angles of the movable support by arranging the adjusting cushion blocks with different thicknesses between the bottom plane of the movable support and the bottom plate so as to adapt to the support of stern shafts with different diameters, thereby improving the universality of the rolling bracket assembly.
Seventh, the rolling bracket assembly for mounting the stern shaft of the ship greatly reduces the labor intensity of operators, and can effectively prevent the copper pipe and the tail bearing in the stern tube from being damaged by collision in the process of mounting the stern shaft, thereby ensuring the mounting quality of the stern shaft.
Drawings
FIG. 1 is a schematic structural view of a rolling bracket assembly for stern shaft mounting of a ship according to the present invention;
FIG. 2 is a schematic structural view (top view) of the base plate and the fixing bracket connected to the base plate in FIG. 1;
fig. 3 is a schematic view of a stern shaft installation of a ship using the rolling bracket assembly of fig. 1.
In the figure: 1. the device comprises a rolling bracket assembly, 2, a bottom plate, 3, a fixed support, 4, a pin shaft, 5, a movable support, 6, a roller, 7, a bottom plane of the movable support, 8, an upper end face of the bottom plate, 9, an end part of the bottom plane of the movable support, 10, an upper drum-shaped face, 11, a left-right adjusting device, 12, a height adjusting device, 13, a stern shaft, 14, a roller shaft, 15, a stern tube assembly and 16, and adjusting cushion block installation positions.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 3 show an embodiment of a rolling bracket assembly for mounting a stern shaft of a ship according to the present invention, which includes a bottom plate 2 horizontally disposed, and a pair of fixed supports 3 disposed on the bottom plate 2 and disposed in a left-right direction, wherein a horizontal pin 4 is disposed on each of the pair of fixed supports 3, and axes of the two pin 4 are disposed in a front-back direction and parallel to each other, a movable support 5 is rotatably connected to each of the two pin 4, a roller 6 is disposed on the movable support 5 at an upper portion of the pin 4, and an axis of the roller 6 is disposed in a left-right direction; the bottom plane of the movable support 5 is higher than the upper end surface of the bottom plate 2, and after the movable support 5 rotates clockwise or anticlockwise around the pin shaft 4 and is inclined for a certain angle, one end part 9 of the bottom plane of the movable support leans against the upper end surface of the bottom plate 2.
Preferably, the roller 6 is rotatably supported on the movable mount 5 by a roller shaft 14.
Among the above-mentioned technical scheme, through rotatable setting up movable support 5 on a pair of fixed bearing 3, set up gyro wheel 6 on the movable support 5, realized the axial steady roll when the stern axle 13 is installed for stern axle 13 can be at the steady displacement of axial, thereby can ensure going on smoothly of stern axle 13 installation.
On the other hand, because the movable support 5 can be emptyd inwards (support state) or emptyd outwards (non-support state), can let the movable support 5 be in the state of emptying outwards at the initial stage of stern axle 13 hoist and mount to reserve great space, wait to let the movable support be in the state of emptying inwards again in the later stage of stern axle 13 hoist and mount, in order to realize the location of stern axle 13 on gyro wheel 6, thereby can increase security and the flexibility that rolling bracket assembly 1 used.
In addition, in the mounting process of the stern shaft 13, the switching of inward tilting or outward tilting of the movable support 5 can be utilized to confirm whether the center position of the stern shaft 13 is in place.
As a preferable scheme of this embodiment, the roller 6 is a drum-shaped roller having a roller surface with a convex arc surface.
The accuracy and stability of the center positioning of the stern shaft 13 on the rolling bracket assembly 1 can be improved by arranging the roller 6 as a drum-shaped roller with a convex arc surface on the roller surface.
As a further improvement of the drum-shaped roller, the upper drum-shaped surface 10 of the drum-shaped roller 6 is in the shape of a section of an upwardly convex circular arc on the axial section, and the center of the circular arc is located on the axis of the pin shaft 4.
The circle center of the arc of the upper drum-shaped surface 10 of the drum-shaped roller 6 is located on the axis of the pin shaft 4, and the arc of the upper drum-shaped surface 10 of the drum-shaped roller 6 is always tangent to the diameter of the outer circle of the ship stern shaft 13 when the drum-shaped roller 6 rotates around the pin shaft 4 along with the movable support 5, so that the movable support 5 can be smoothly inclined outwards after the stern shaft 13 moves in place, the drum-shaped roller 6 is separated from the stern shaft 13, and subsequent further installation is facilitated.
As a second preferred embodiment of the present invention, the tilting angle of the movable support 5 is within ± 45 °.
Preferably, in order to change the tilting angle of the cradle 5, an adjusting pad (not shown) for adjusting the tilting angle of the cradle 5 may be arranged between the bottom plane 7 of the cradle and the bottom plate 2 to adapt to the support of stern shafts 13 with different diameters.
Through set up the adjustment cushion of different thickness between the bottom plane 7 of movable support and bottom plate 2, can realize the different inclination angle of movable support 5 to the support that adapts to different diameter stern axle 13 has improved the commonality of rolling bracket assembly 1.
As a third preferable mode of the present embodiment, a left-right adjusting device 11 for adjusting the position of the base plate 2 in the left-right direction is connected to the lower end of the base plate 2.
Wherein, the left-right adjusting device 11 can adopt a screw nut adjusting mechanism.
As a fourth preferable mode of the present embodiment, a height adjusting device 12 for adjusting the position of the base plate 2 in the height direction is connected to the lower end of the left-right adjusting device 11.
Wherein, the height adjusting device 12 can adopt a lifting mechanism.
When in use, the roller 6 in the rolling bracket assembly 1 can adjust the dumping angle according to the size of the stern shaft 13, so that the roller 6 is in close contact with the stern shaft 13; after the stern shaft 13 enters the front end of the stern tube, the stern shaft 13 is placed on the rolling bracket assembly 1, and left-right and up-down fine adjustment is carried out through a left-right adjusting device 11 and a height adjusting device 12 which are arranged at the lower end of the rolling bracket assembly 1, so that the position of the stern shaft 13 is always in the center of the stern tube.
During installation, a long rod is installed at the threaded end of the stern shaft 13, the stern shaft 13 slowly slides on the roller 6 through the traction of the long rod connected with the threaded end of the stern shaft 13, and the installation of the stern shaft 13 is smoothly completed. The design and the use of the rolling bracket assembly 1 greatly reduce the labor intensity of operators, and simultaneously can effectively prevent the copper pipe inside the stern tube and the tail bearing from being damaged by collision in the installation process of the stern shaft 13, thereby ensuring the installation quality of the stern shaft 13.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A rolling bracket assembly for mounting a stern shaft of a ship is characterized by comprising a horizontally arranged bottom plate and a pair of fixed supports which are arranged on the bottom plate and are arranged in the left-right direction, wherein a horizontal pin shaft is respectively arranged on the pair of fixed supports, the axes of the two pin shafts are arranged in the front-back direction and are parallel to each other, a movable support is respectively and rotatably connected onto the two pin shafts, a roller is arranged on the movable support and positioned at the upper part of the pin shaft, and the axis of the roller is arranged in the left-right direction; the bottom plane of the movable support is higher than the upper end face of the bottom plate, one end part of the bottom plane of the movable support rotates clockwise around the pin shaft and leans against the upper end face of the bottom plate after the movable support is inclined for a certain angle, and the other end part of the bottom plane of the movable support rotates anticlockwise around the pin shaft and leans against the upper end face of the bottom plate after the movable support is inclined for a certain angle; the roller is a drum-shaped roller with a convex cambered surface on the roller surface, and the movable support is set to be in an outward tilting state at the initial stage of the hoisting of the stern shaft and to be in an inward tilting state at the later stage of the hoisting of the stern shaft; the shape of the upper drum-shaped surface of the drum-shaped roller on the axial section is a section of convex arc, and the center of the arc is positioned on the axis of the pin shaft.
2. A rolling bracket assembly for stern shaft mounting of a marine vessel as claimed in claim 1, wherein the tilting angle of the cradle is in the range of ± 30 °.
3. The rolling bracket assembly for stern shaft mounting of a marine vessel as claimed in claim 1, wherein an adjustment spacer block for adjusting the tilting angle of the cradle is provided between the bottom plane of the cradle and the bottom plate.
4. A rolling bracket assembly for stern shaft mounting of a marine vessel as claimed in claim 1, wherein a left-right adjusting means for adjusting the position of the bottom plate in the left-right direction is connected to the lower end of the bottom plate.
5. A rolling bracket assembly for stern shaft mounting of a marine vessel as claimed in claim 4, wherein a height adjusting means for adjusting the height direction position of the bottom plate is connected to the lower end of the left and right adjusting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230699.5A CN109515611B (en) | 2018-10-22 | 2018-10-22 | Rolling bracket assembly for mounting ship stern shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230699.5A CN109515611B (en) | 2018-10-22 | 2018-10-22 | Rolling bracket assembly for mounting ship stern shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109515611A CN109515611A (en) | 2019-03-26 |
| CN109515611B true CN109515611B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811230699.5A Active CN109515611B (en) | 2018-10-22 | 2018-10-22 | Rolling bracket assembly for mounting ship stern shaft |
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| CN (1) | CN109515611B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524236A (en) * | 2019-07-15 | 2019-12-03 | 沪东中华造船(集团)有限公司 | A kind of marine shafting installation method |
| CN111483571A (en) * | 2020-04-16 | 2020-08-04 | 上海外高桥造船有限公司 | Bracket |
| CN111762244B (en) * | 2020-06-10 | 2022-10-18 | 中船澄西船舶修造有限公司 | Assembled ship block transport vehicle |
| CN114228941B (en) * | 2021-11-23 | 2022-12-06 | 山东交通学院 | Improved auxiliary device for mounting ship stern shaft tube |
| CN115122264A (en) * | 2022-08-11 | 2022-09-30 | 上海外高桥造船有限公司 | A supplementary installation frock and boats and ships for boats and ships |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1715671A1 (en) * | 1989-09-05 | 1992-02-28 | Приморское центральное конструкторское бюро | Propeller shaft mounting/dismounting device |
| CN201592762U (en) * | 2009-12-25 | 2010-09-29 | 广州广船国际股份有限公司 | Device for arranging ship cargo oil pump |
| CN102717868A (en) * | 2012-06-18 | 2012-10-10 | 黄海造船有限公司 | Tail shaft assembling device for large ship |
| CN203062203U (en) * | 2013-01-28 | 2013-07-17 | 广新海事重工股份有限公司 | Auxiliary installation device for ship stern shaft |
| CN104139832A (en) * | 2014-07-14 | 2014-11-12 | 上海江南长兴造船有限责任公司 | Mounting method of integral stern shaft tube on naval architecture and ocean engineering |
| CN204623755U (en) * | 2015-01-07 | 2015-09-09 | 广州文冲船厂有限责任公司 | A kind of bearing Mounting device of single-bearing boats and ships |
| CN207841177U (en) * | 2018-01-03 | 2018-09-11 | 江南造船(集团)有限责任公司 | Axial roller support for screw shaft of ship installation |
-
2018
- 2018-10-22 CN CN201811230699.5A patent/CN109515611B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1715671A1 (en) * | 1989-09-05 | 1992-02-28 | Приморское центральное конструкторское бюро | Propeller shaft mounting/dismounting device |
| CN201592762U (en) * | 2009-12-25 | 2010-09-29 | 广州广船国际股份有限公司 | Device for arranging ship cargo oil pump |
| CN102717868A (en) * | 2012-06-18 | 2012-10-10 | 黄海造船有限公司 | Tail shaft assembling device for large ship |
| CN203062203U (en) * | 2013-01-28 | 2013-07-17 | 广新海事重工股份有限公司 | Auxiliary installation device for ship stern shaft |
| CN104139832A (en) * | 2014-07-14 | 2014-11-12 | 上海江南长兴造船有限责任公司 | Mounting method of integral stern shaft tube on naval architecture and ocean engineering |
| CN204623755U (en) * | 2015-01-07 | 2015-09-09 | 广州文冲船厂有限责任公司 | A kind of bearing Mounting device of single-bearing boats and ships |
| CN207841177U (en) * | 2018-01-03 | 2018-09-11 | 江南造船(集团)有限责任公司 | Axial roller support for screw shaft of ship installation |
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| CN109515611A (en) | 2019-03-26 |
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