CN109367687A - A kind of Ship Steering Autopilot axis determines method - Google Patents
A kind of Ship Steering Autopilot axis determines method Download PDFInfo
- Publication number
- CN109367687A CN109367687A CN201811146312.8A CN201811146312A CN109367687A CN 109367687 A CN109367687 A CN 109367687A CN 201811146312 A CN201811146312 A CN 201811146312A CN 109367687 A CN109367687 A CN 109367687A
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- CN
- China
- Prior art keywords
- ship
- stabilizer
- axis
- angle
- point
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
Abstract
The present invention relates to shipbuilding technical fields more particularly to a kind of Ship Steering Autopilot axis to determine method, includes the following steps, obtains the length and angle γ of line segment AC, AB；Reference platform is set；Line segment A`B`, A`C` are formed in the upper surface of reference platform；The laser beam for issuing laser transit is by B` point and the angle γ with reference platform upper surface；Laser transit is set and passes through B` point and O`, and laser beam and the angle of baseline plane are γ；Using O` as the center of circle, aperture on the outer hull of the ship, along the trajectory of the laser beam bracing wire of laser transit；The present invention is by calculating the positioning and angle that obtain stabilizer axis on ship hull plate 1, precision is higher, and wire pulling rack bracing wire is directly got and is arranged by laser transit after the angle that stabilizer axis has been determined, it ensure that subsequent operation precision, further improve the precision of stabilizer installation.
Description
Technical field
The present invention relates to shipbuilding technical fields more particularly to a kind of Ship Steering Autopilot axis to determine method.
Background technique
On the outer hull of the ship, fin axis stretches out ship hull plate to Ship Steering Autopilot erecting and welding, and fin leaf is mounted on fin axis, to protect
Not scraping collision ship hull plate when demonstrate,proving the rotation of fin leaf, fin axis should be overlapped with the ship hull plate common normal at axis center.
Traditional method is first prestretching fin axis, then the correctness of fin axis location is examined by the template that setting-out makes,
Since sample making is there are error, in card template, there is also errors at scene, therefore the fin axis based error that this method determines is larger,
So need by multiple adjustment, not only wasting manpower and material resources, and Efficiency and accuracy is lower.
Summary of the invention
The object of the present invention is to provide stabilizer installation accuracy can be effectively improved, while improving a kind of ship of installation effectiveness
Stabilizer axis determines method.
To achieve the goals above, the present invention provides a kind of Ship Steering Autopilot axis and determines method, comprising the following steps:
Threedimensional model by establishing hull obtains the intersection point O of ship hull plate outer surface and stabilizer axis, makes O point in base
Projection in line plane forms C point；
The projection line OA of OC, stabilizer axes O B in rib cage plane and baseline plane are obtained from the threedimensional model of hull
Angle α, stabilizer axes O B and rib cage plane angle β numerical value, acquire line segment AC, AB length and stabilizer axis with
The angle γ of baseline plane；
Reference platform is set, the upper surface of reference platform is made to be parallel to baseline plane；
Line segment AC, AB by acquisition etc. form line segment A`B`, A`C` than being set to the upper surface of reference platform；
The intersection point O` of stabilizer axis and ship hull plate outer surface is set on the outer hull of the ship, laser transit is set, is made
The laser beam that laser transit issues by B` point and O` point and is γ with the angle of reference platform upper surface；
Using O` as the center of circle, aperture on the outer hull of the ship；
Distinguish light target in the inner side and outer side of ship hull plate, make the laser beam of laser transit by the inside of ship hull plate with
The light target in outside；
Wire pulling rack is set and pulls out stabilizer axis along trajectory of the laser beam.
Optionally, it is whether parallel with baseline plane for detecting reference platform upper surface to be equipped with several for the reference platform
Test point.
It optionally, is 45~55mm by the bore dia of center of circle aperture of O` point.
Optionally, the wire pulling rack pulls out stabilizer axis by steel wire, and the steel wire diameter is 0.4~0.6mm.
Implement the embodiment of the present invention, has following technical effect that
The present invention obtains the positioning and angle of stabilizer axis on the outer hull of the ship by calculating, and precision is higher, and true
Determine directly to get and be arranged wire pulling rack bracing wire by laser transit after the angle of stabilizer axis, ensure that subsequent operation
Precision reduces the investment of manpower and material resources, further improves the precision of stabilizer installation.
Detailed description of the invention
Fig. 1 is the three-dimensional model structure schematic diagram of the preferred embodiment of the present invention.
Description of symbols:
1, ship hull plate, 2, baseline plane, 3, reference platform.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
A kind of Ship Steering Autopilot axis determines method, comprising the following steps:
Threedimensional model by establishing hull obtains the intersection point O of 1 outer surface of ship hull plate and stabilizer axis, and O point is made to exist
Projection in baseline plane 2 forms C point；
It is flat that the projection line OA and hull baseline of OC, stabilizer axes O B in rib cage plane are obtained from the threedimensional model of hull
The numerical value of the angle β of the angle α in face 2, stabilizer axes O B and rib cage plane, acquires length and the stabilizer of line segment AC, AB
The angle γ of axis and baseline plane 2；
Reference platform 3 is set, the upper surface of reference platform 3 is made to be parallel to baseline plane 2, in the present embodiment, benchmark is flat
The size of platform 3 is about 1500mm × 25mm；
The upper surface for projecting to reference platform 3 line segment AC, AB of acquisition is formed into line segment A`B`, A`C`；
The intersection point O` of stabilizer axis and 1 outer surface of ship hull plate is set on ship hull plate 1, laser transit is set,
The laser beam for issuing laser transit is by B` point and O` point and the angle γ with 3 upper surface of reference platform；
Using O` as the center of circle, the aperture on ship hull plate 1；
Light target is distinguished in the inner side and outer side of ship hull plate 1, and the laser beam of laser transit is made to pass through 1 inside of ship hull plate
With the light target in outside；
Wire pulling rack is set and pulls out stabilizer axis along trajectory of the laser beam, during bracing wire, wire pulling rack should be as far as possible far from outer
Plate, so that slot milling lifts stabilizer fin seat.
The present invention is by calculating the positioning and angle that obtain stabilizer axis on ship hull plate 1, and precision is higher, and true
Determine directly to get and be arranged wire pulling rack bracing wire by laser transit after the angle of stabilizer axis, ensure that subsequent operation
Precision further improves the precision of stabilizer installation.
Further, reference platform 3 is equipped with several for detecting whether 3 upper surface of reference platform puts down with baseline plane 2
Capable test point, the test point by measuring different location on different reference platforms 3 can detecte at a distance from baseline plane 2
Whether the upper surface of reference platform 3 is parallel with baseline plane 2 or is overlapped, to ensure that the laser beam angle of setting laser transit
The order of accuarcy of γ is spent, the precision that stabilizer axis determines is improved.
Specifically, by the bore dia of center of circle aperture of O` point be 45~55mm in the present embodiment, it is convenient by wire pulling rack into
Row bracing wire.
The wire pulling rack of the present embodiment pulls out stabilizer axis by steel wire, and steel wire diameter is 0.4~0.6mm, makes steel wire
Hammer weight >=25Kg is hung, the detection and installation for carrying out stabilizer are facilitated.
To sum up, the present invention is conducive to improve the installation accuracy of stabilizer, while improving the installation effectiveness of stabilizer, overcomes and subtracts
The problem of shaking that fin installation accuracy is not high, needing multi-pass operation.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of Ship Steering Autopilot axis determines method, which comprises the following steps:
Threedimensional model by establishing hull obtains the intersection point O of ship hull plate outer surface and stabilizer axis, keeps O point flat in baseline
Projection on face forms C point；
The angle of OC, stabilizer axes O B the projection line OA in rib cage plane and baseline plane are obtained from the threedimensional model of hull
The numerical value of the angle β of α, stabilizer axes O B and rib cage plane acquires the length and stabilizer axis and baseline of line segment AC, AB
The angle γ of plane；
Reference platform is set, the upper surface of reference platform is made to be parallel to baseline plane；
Line segment AC, AB by acquisition etc. form line segment A`B`, A`C` than being set to the upper surface of reference platform；
The intersection point O` of stabilizer axis and ship hull plate outer surface is set on the outer hull of the ship, laser transit is set, laser is made
The laser beam that theodolite issues by B` point and O` point and is γ with the angle of reference platform upper surface；
Using O` as the center of circle, aperture on the outer hull of the ship；
Light target is distinguished in the inner side and outer side of ship hull plate, and the laser beam of laser transit is made to pass through ship hull plate inner side and outer side
Light target；
Wire pulling rack is set and pulls out stabilizer axis along trajectory of the laser beam.
2. Ship Steering Autopilot axis according to claim 1 determines method, which is characterized in that if the reference platform is equipped with
Dry for detecting the reference platform upper surface test point whether parallel with baseline plane.
3. Ship Steering Autopilot axis according to claim 1 determines method, which is characterized in that using O` point as center of circle aperture
Bore dia is 45~55mm.
4. Ship Steering Autopilot axis according to claim 1 determines method, which is characterized in that the wire pulling rack passes through steel wire
Stabilizer axis is pulled out, the steel wire diameter is 0.4~0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146312.8A CN109367687A (en) | 2018-09-27 | 2018-09-27 | A kind of Ship Steering Autopilot axis determines method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146312.8A CN109367687A (en) | 2018-09-27 | 2018-09-27 | A kind of Ship Steering Autopilot axis determines method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109367687A true CN109367687A (en) | 2019-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811146312.8A Pending CN109367687A (en) | 2018-09-27 | 2018-09-27 | A kind of Ship Steering Autopilot axis determines method |
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| Country | Link |
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| CN (1) | CN109367687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807850A (en) * | 2019-03-18 | 2019-05-28 | 重庆交通大学 | The method of drawing is surveyed in a kind of ship cross section |
| CN113044177A (en) * | 2021-04-22 | 2021-06-29 | 中船黄埔文冲船舶有限公司 | Ship section construction precision control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1512956A (en) * | 1974-08-20 | 1978-06-01 | Sperry Rand Ltd | Ship stabilising systems |
| US20070272143A1 (en) * | 2006-05-17 | 2007-11-29 | Koop Mattheus Theodorus | Active roll stabilisation system for ships |
| CN104085499A (en) * | 2014-07-11 | 2014-10-08 | 芜湖新联造船有限公司 | Ship fin stabilizer installation method |
| CN207071882U (en) * | 2017-07-26 | 2018-03-06 | 芜湖蓝水船舶技术有限公司 | Stabilizer spatial axis positioner |
-
2018
- 2018-09-27 CN CN201811146312.8A patent/CN109367687A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1512956A (en) * | 1974-08-20 | 1978-06-01 | Sperry Rand Ltd | Ship stabilising systems |
| US20070272143A1 (en) * | 2006-05-17 | 2007-11-29 | Koop Mattheus Theodorus | Active roll stabilisation system for ships |
| CN104085499A (en) * | 2014-07-11 | 2014-10-08 | 芜湖新联造船有限公司 | Ship fin stabilizer installation method |
| CN207071882U (en) * | 2017-07-26 | 2018-03-06 | 芜湖蓝水船舶技术有限公司 | Stabilizer spatial axis positioner |
Non-Patent Citations (1)
| Title |
|---|
| 李湘: "无平行中体船体减摇鳍定位方法及安装工艺研究", 《船舶工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807850A (en) * | 2019-03-18 | 2019-05-28 | 重庆交通大学 | The method of drawing is surveyed in a kind of ship cross section |
| CN113044177A (en) * | 2021-04-22 | 2021-06-29 | 中船黄埔文冲船舶有限公司 | Ship section construction precision control method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |
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