CN112550620A - Installation and adjustment method for middle bearing base of ship shafting - Google Patents
Installation and adjustment method for middle bearing base of ship shafting Download PDFInfo
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- CN112550620A CN112550620A CN202011417277.6A CN202011417277A CN112550620A CN 112550620 A CN112550620 A CN 112550620A CN 202011417277 A CN202011417277 A CN 202011417277A CN 112550620 A CN112550620 A CN 112550620A
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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
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
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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
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Robotics (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a method for installing, adjusting and installing a middle bearing base of a ship shafting, which adopts a special installing and adjusting device and comprises the following steps: determining the lengths of a fixing bolt, a jacking adjusting bolt and a pressing adjusting bolt according to the thickness of a bearing base and the distance between the bearing base and the bearing base; step two, adjusting the distance between the fixing bolt and the upper plate of the fixing base to be slightly larger than the thickness of the bearing base, and adjusting the distance between the jacking adjusting bolt and the pressing adjusting bolt to be slightly larger than the thickness of the bearing base; step three, placing the installation adjusting device in place; fifthly, mounting and adjusting devices are arranged at the left front, the left rear, the right front and the right rear of the bearing base and the bearing base; and sixthly, screwing the fixing bolt, pressing the adjusting bolt downwards and jacking the adjusting bolt to complete fixing. The bearing pedestal is convenient to use, is formed by processing steel materials, bolts and nuts, has the same adjustment cost as the conventional bearing pedestal, only needs to be produced once, and can be repeatedly used for many times.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a method for installing and adjusting a middle bearing base of a ship shafting.
Background
Modern cargo ships are increasingly loaded with more and more power, and ship power propulsion devices (main engines) with more and more power are used for ensuring enough power. The host computer of high power will lead to the fact the host computer appearance huge, in order to guarantee the high-speed linearity of hull, the cabin overall arrangement rationally, made the host computer lean on the characteristics of front and shafting partial length, in order to guarantee the transmission efficiency and the atress stability of long shafting, need set up the intermediate bearing in long shafting, and need guarantee the installation accuracy of intermediate bearing.
In the process of mounting the middle bearing, the bearing base needs to be frequently adjusted to ensure mounting accuracy, and the conventional adjusting method of the bearing base is to weld a nut on a bearing base temporarily, connect bolts with the same specification to the nut, and then adjust the height of the bearing base by rotating the bolts to rise and fall. Therefore, the preparation work of the conventional method is more complicated, the welding easily causes the bearing base to generate thermal stress, quality risks are caused, and the precision of the position of the base cannot be guaranteed powerfully. In addition, still need after the bearing installation with the nut cutting of temporary welding, polish and spray paint again, extravagant a large amount of man-hours, reduced work efficiency.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for installing and adjusting a base of an intermediate bearing of a ship shafting.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a method for installing and adjusting a middle bearing base of a ship shafting, which adopts a specially-made device for installing and adjusting the middle bearing base of the ship shafting and is characterized in that the installing and adjusting device comprises a fixed base, a stress rod, a fixed bolt, a jacking adjusting bolt and a downward pressing adjusting bolt, wherein a fixed clamping groove is arranged along one side of the fixed base, the width of the fixed clamping groove is larger than the thickness of a bearing base, a fixed threaded hole is formed in the lower plate of the fixed base, the fixed bolt is arranged in the fixed threaded hole, the stress rod is arranged on the other side of the fixed base, the stress rod is L-shaped, a bearing base installing groove is formed between the top of the stress rod and the top of the fixed base, an adjusting nut is welded at the top of the fixed base, the jacking adjusting bolt is arranged in the adjusting nut, and an adjusting threaded hole is formed at the top, the downward-pressing adjusting bolt is arranged in the adjusting threaded hole, the bearing base is fixed between the downward-pressing adjusting bolt and the jacking adjusting bolt,
the installation adjusting method comprises the following steps:
determining the lengths of a fixing bolt, a jacking adjusting bolt and a pressing adjusting bolt according to the thickness of a bearing base and the distance between the bearing base and the bearing base;
step two, adjusting the distance between the fixing bolt and the upper plate of the fixing base to be slightly larger than the thickness of the bearing base, and adjusting the distance between the jacking adjusting bolt and the pressing adjusting bolt to be slightly larger than the thickness of the bearing base;
placing the mounting and adjusting device in place, wherein the jacking adjusting bolt and the pressing adjusting bolt are positioned on two sides of the bearing base, and the fixing bolt and the upper plate of the fixing base are positioned on two sides of the bearing base;
fifthly, mounting and adjusting devices are respectively arranged at the left front, the left rear, the right front and the right rear of the bearing base and the bearing base;
and sixthly, screwing the fixing bolt, pressing the adjusting bolt downwards and jacking the adjusting bolt to complete fixing.
As the preferred technical scheme, after the adjustment is finished and the bearing installation is finished, the jacking adjusting bolt and the pressing adjusting bolt are loosened, and then the fixing bolt is loosened to recover the installation adjusting device.
As the preferred technical scheme, the stress rod is connected with the fixed base in a welding mode, and the height of the welding leg is 4 mm.
As a preferred technical scheme, the jacking adjusting bolt and the pressing adjusting bolt are located on the same straight line in the vertical direction.
As a preferable technical scheme, the downward pressing adjusting bolt is positioned at the center of the top of the stress rod.
As a preferred technical scheme, the number of the fixing threaded holes is 4, and the 4 fixing threaded holes are distributed in a square shape.
Preferably, the adjusting nut is located at the center of the 4 fixing threaded holes in the horizontal direction.
As the preferred technical scheme, the fixed base is formed by welding three steel plates, the stress rod is formed by welding two steel plates, and the thickness of the steel plate of the stress rod is 1.5 times that of the steel plate of the fixed base. Compared with the prior art, the invention has the beneficial effects that:
(1) the bearing pedestal is simple in structure and convenient to use, is formed by processing steel, bolts and nuts, is consistent with the raw materials and cost required by the adjustment of the existing bearing pedestal, only needs to be produced once, and can be repeatedly utilized for multiple times.
(2) The bearing pedestal can be directly fixed on the bearing pedestal by arranging the fixing base and the fixing bolt, so that the waste of materials and working hours caused by welding work is avoided, the subsequent re-polishing and paint spraying work is reduced, and the damage of the welding high temperature to the bearing pedestal is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front sectional view of the installation adjustment device of the present invention.
Fig. 2 is a side sectional view of the installation adjustment device of the present invention.
Fig. 3 is a top view of the installation adjustment device of the present invention.
Fig. 4 is a diagram showing a state of use of the installation adjustment device of the present invention.
Fig. 5 is a schematic structural diagram of the force-bearing rod in the installation and adjustment device of the invention.
FIG. 6 is a schematic structural diagram of a fixing base in the installation and adjustment device of the present invention.
Fig. 7 is a schematic distribution diagram of fixing threaded holes in the installation and adjustment device of the invention.
FIG. 8 is a schematic view of the arrangement of the adjusting nuts in the adjusting device of the present invention.
Wherein the reference numerals are specified as follows: stress rod 1, unable adjustment base 2, fixing bolt 3, jacking adjusting bolt 4, adjusting bolt 5, adjusting nut 6, fixed screw hole 7, bearing base 8, bearing base 9 push down.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Example 1
The embodiment provides a ship shafting intermediate bearing pedestal mounting and adjusting device, is applicable to the height adjustment between the pedestal and the base of the ship field main machine shafting intermediate bearing, and under the premise of not influencing the adjustment precision, the problems that materials generated by the original intermediate bearing adjusting method cannot be recycled and the working time is wasted are solved, the problem that the welding process generates heat to damage the bearing pedestal 9 is avoided, and the working efficiency is improved.
The installation adjusting device of this embodiment comprises fixed region and adjustment region two parts, and fixed region comprises unable adjustment base 2 and fixing bolt 3, and the adjustment region comprises atress pole 1, pushes down adjusting bolt 5 and jacking adjusting bolt 4. The fixing base 2 is formed by welding three steel plates, a fixing clamping groove is formed in the fixing base 2 along one side of the fixing base, the width of the fixing clamping groove is larger than the thickness of the bearing base 8, a fixing threaded hole 7 is formed in the lower plate of the fixing base 2 in a penetrating mode, and the fixing bolt 3 is installed in the fixing threaded hole 7. Four fixing threaded holes 7 are drilled in the lower plate of the fixing base 2, and the four fixing threaded holes 7 are close to the edge of the lower plate of the fixing base 2 and are distributed in a square shape. The length of the fixing bolt 3 is selected according to the thickness of the bearing base 8, and the bearing base 8 is fixed in the fixing clamping groove through the fixing bolt 3. Adjusting nut 6 is welded at the top of unable adjustment base 2, and jacking adjusting bolt 4 is installed in adjusting nut 6, and adjusting nut 6 is located 4 fixed screw hole 7's center on the horizontal direction.
Example 2
The embodiment provides a method for installing and adjusting a middle bearing base of a ship shafting, which adopts the device for installing and adjusting the middle bearing base 9 of the ship shafting of the embodiment 1, and comprises the following steps:
step one, determining the lengths of the fixing bolt 3, the jacking adjusting bolt 4 and the pressing adjusting bolt 5 according to the thickness of the bearing base 8 and the distance between the bearing base 9 and the bearing base 8;
step two, adjusting the distance between the fixing bolt 3 and the upper plate of the fixing base 2 to be slightly larger than the thickness of the bearing base 8, and adjusting the distance between the jacking adjusting bolt 4 and the pressing adjusting bolt 5 to be slightly larger than the thickness of the bearing base 9;
step three, the mounting adjusting device is placed in place, the jacking adjusting bolt 4 and the pressing adjusting bolt 5 are positioned on two sides of the bearing base 9, and the fixing bolt 3 and the upper plate of the fixing base 2 are positioned on two sides of the bearing base 8;
fifthly, mounting and adjusting devices are respectively arranged at the left front, the left rear, the right front and the right rear of the bearing base 9 and the bearing base 8;
and sixthly, screwing the fixing bolt 3, pressing the adjusting bolt 5 downwards and jacking the adjusting bolt 4 to complete fixing.
After the adjustment is finished and the bearing installation is finished, the jacking adjusting bolt 4 and the pressing adjusting bolt 5 are loosened, and then the fixing bolt 3 is loosened to recover the installation adjusting device.
When the installation adjusting device is damaged, if the stress rod 1 with a complete structure is bent and the fixed base 2 is bent, the stress rod can be corrected and reused, and the bolt can be replaced when the bolt is bent or slides.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (8)
1. A ship shafting intermediate bearing base installation and adjustment method adopts a specially-made ship shafting intermediate bearing base installation and adjustment device, and is characterized in that the installation and adjustment device comprises a fixed base, a stress rod, a fixed bolt, a jacking adjustment bolt and a pressing adjustment bolt, wherein a fixed clamping groove is arranged on one side of the fixed base, the width of the fixed clamping groove is larger than the thickness of a bearing base, a fixed threaded hole is formed in the lower plate of the fixed base, the fixed bolt is installed in the fixed threaded hole, the stress rod is installed on the other side of the fixed base, the stress rod is L-shaped, a bearing base installation groove is formed between the top of the stress rod and the top of the fixed base, an adjustment nut is welded on the top of the fixed base, the jacking adjustment bolt is installed in the adjustment nut, and an adjustment threaded hole is formed in the top of the stress rod, the downward-pressing adjusting bolt is arranged in the adjusting threaded hole, the bearing base is fixed between the downward-pressing adjusting bolt and the jacking adjusting bolt,
the installation adjusting method comprises the following steps:
determining the lengths of a fixing bolt, a jacking adjusting bolt and a pressing adjusting bolt according to the thickness of a bearing base and the distance between the bearing base and the bearing base;
step two, adjusting the distance between the fixing bolt and the upper plate of the fixing base to be slightly larger than the thickness of the bearing base, and adjusting the distance between the jacking adjusting bolt and the pressing adjusting bolt to be slightly larger than the thickness of the bearing base;
placing the mounting and adjusting device in place, wherein the jacking adjusting bolt and the pressing adjusting bolt are positioned on two sides of the bearing base, and the fixing bolt and the upper plate of the fixing base are positioned on two sides of the bearing base;
fifthly, mounting and adjusting devices are respectively arranged at the left front, the left rear, the right front and the right rear of the bearing base and the bearing base;
and sixthly, screwing the fixing bolt, pressing the adjusting bolt downwards and jacking the adjusting bolt to complete fixing.
2. The method for installing and adjusting the middle bearing pedestal of the marine shafting as claimed in claim 1, wherein after the adjustment is completed and the bearing installation is completed, the jacking adjusting bolts and the pressing adjusting bolts are loosened, and then the fixing bolts are loosened to recover the installation adjusting device.
3. The installation and adjustment method for the middle bearing pedestal of the marine shafting as claimed in claim 1, wherein the stress rod is welded to the fixed pedestal, and the height of the weld leg is 4 mm.
4. The method for installing and adjusting the base of the intermediate bearing of the marine shafting as claimed in claim 1, wherein the jacking adjusting bolt and the pressing adjusting bolt are vertically positioned on the same straight line.
5. The method for installing and adjusting the base of the middle bearing of the marine shafting as claimed in claim 4, wherein the downward-pressing adjusting bolt is located at the center of the top of the stress rod.
6. The method for installing and adjusting the base of the middle bearing of the marine shafting as claimed in claim 1, wherein the number of the fixing threaded holes is 4, and the 4 fixing threaded holes are distributed in a square shape.
7. The installation and adjustment method for the middle bearing pedestal of the marine shafting as claimed in claim 6, wherein said adjusting nut is horizontally positioned at the center of 4 said fixing threaded holes.
8. The installation and adjustment method of the middle bearing pedestal of the marine shafting as claimed in claim 1, wherein the fixed pedestal is formed by welding three steel plates, the stress bar is formed by welding two steel plates, and the thickness of the steel plate of the stress bar is 1.5 times of that of the steel plate of the fixed pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417277.6A CN112550620B (en) | 2020-12-07 | 2020-12-07 | Installation and adjustment method for middle bearing base of ship shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417277.6A CN112550620B (en) | 2020-12-07 | 2020-12-07 | Installation and adjustment method for middle bearing base of ship shafting |
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| Publication Number | Publication Date |
|---|---|
| CN112550620A true CN112550620A (en) | 2021-03-26 |
| CN112550620B CN112550620B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011417277.6A Active CN112550620B (en) | 2020-12-07 | 2020-12-07 | Installation and adjustment method for middle bearing base of ship shafting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896428A (en) * | 2021-03-30 | 2021-06-04 | 广船国际有限公司 | Mounting method of anchor winch |
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| WO2018205536A1 (en) * | 2017-05-08 | 2018-11-15 | 东台市海鹏船舶配件有限公司 | Mounting mechanism for use with ship propeller shaft having adjustable clearance |
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| CN110509024A (en) * | 2019-09-04 | 2019-11-29 | 中船黄埔文冲船舶有限公司 | A kind of accommodation platform line shafting pedestal adjustment tooling and application method |
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2020
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204487130U (en) * | 2015-03-27 | 2015-07-22 | 山东钢铁股份有限公司 | The adjusting device of centering is installed for equipment |
| CN106514086A (en) * | 2015-09-11 | 2017-03-22 | 烟台中集来福士海洋工程有限公司 | Welding tool |
| WO2018205536A1 (en) * | 2017-05-08 | 2018-11-15 | 东台市海鹏船舶配件有限公司 | Mounting mechanism for use with ship propeller shaft having adjustable clearance |
| CN207848760U (en) * | 2018-01-19 | 2018-09-11 | 江南造船(集团)有限责任公司 | Anchor winch mounting and adjusting special tools |
| CN109304605A (en) * | 2018-06-13 | 2019-02-05 | 大连理工大学船舶与海洋工程智能科技研究中心 | A kind of underwater cylindrical body rib cage T profile assembly regulating device having support jig |
| CN110509024A (en) * | 2019-09-04 | 2019-11-29 | 中船黄埔文冲船舶有限公司 | A kind of accommodation platform line shafting pedestal adjustment tooling and application method |
Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896428A (en) * | 2021-03-30 | 2021-06-04 | 广船国际有限公司 | Mounting method of anchor winch |
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| CN112550620B (en) | 2022-08-02 |
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