CN115230868A - Cab visual field adjusting method - Google Patents
Cab visual field adjusting method Download PDFInfo
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- CN115230868A CN115230868A CN202210855816.7A CN202210855816A CN115230868A CN 115230868 A CN115230868 A CN 115230868A CN 202210855816 A CN202210855816 A CN 202210855816A CN 115230868 A CN115230868 A CN 115230868A
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- 230000000007 visual effect Effects 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 3
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- 238000012986 modification Methods 0.000 description 2
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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
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
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- Chemical & Material Sciences (AREA)
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- Component Parts Of Construction Machinery (AREA)
Abstract
The invention relates to the technical field of ship manufacturing, and discloses a cab vision field adjusting method, which comprises the steps of firstly measuring the angle of a vision field blind area caused by each upright post, measuring the angle between adjacent vision field blind areas, simultaneously calculating the total angle of all the vision field blind areas, then judging whether the vision field blind areas meet the specified requirements, and if not, adjusting the position of the upright post, ensuring that the angle of a single vision field blind area is less than 10 degrees, the total angle of the vision field blind areas is less than 20 degrees, and the angle between two adjacent vision field blind areas is more than 5 degrees. The invention can ensure that the positions of the upright posts in front of the cab are reasonably distributed, the range of the blind areas of the visual field of the cab is smaller and is reasonably distributed, the visual field of the cab is effectively improved, and the safety of a ship in running is ensured.
Description
Technical Field
The invention relates to the technical field of ship manufacturing, in particular to a cab visual field adjusting method.
Background
With the development of global economy, ships become one of the common vehicles, more and more ships are on the sea, so the problem of marine traffic safety is particularly important, except for the functions of signal lamps and sea charts, in the design stage of the ships, the arrangement of the sight lines of a cab needs to be adjusted, and the problem of shielding caused by blind areas is reduced as much as possible. The cab control console is used as a control center for ship operation, and the reasonability of sight line arrangement plays an important role in navigation safety.
In the manufacturing process of the ship, a large-scale supporting structure such as a helicopter deck steel structure and a crane rest can be arranged in front of a cab, a stand column of the crane rest can cause a visual field blind area, and the visual field of the cab can be seriously influenced if the arrangement position of the stand column is not reasonable, so that potential safety hazards exist during the navigation of the ship.
Through the blind areas existing in the arrangement positions of the structural stand columns, the blind area superposition among the stand columns is reasonably utilized, the range of the blind areas is reduced to the minimum area, and the navigation safety of ships with the driving sight is improved.
Disclosure of Invention
The invention aims to provide a cab visual field adjusting method which enables visual field blind areas caused by stand columns to be reasonably distributed by adjusting the positions of the stand columns, so that the visual field of a cab is improved.
In order to achieve the above object, the present invention provides a method for adjusting a field of view of a cab, comprising the steps of:
s1: respectively measuring the angle a of a visual field blind area caused by each upright post by taking the center of a driver seat as a sight starting point;
s2: if a is larger than 10 degrees, adjusting the position of the upright column to enable a to be smaller than or equal to 10 degrees;
s3: calculating the total angle b of the visual field blind area caused by each upright post;
s4: if b is greater than 20 degrees, adjusting the position of one or more upright posts so that b is less than or equal to 20 degrees;
s5: measuring an angle c between visual field blind areas caused by two adjacent upright columns;
s6: if c is less than or equal to 5 degrees and is not equal to 0 degrees, adjusting the position of one of the upright columns to enable c to be greater than 5 degrees, or adjusting the position of one of the upright columns to enable the upright column to be positioned in the range of the blind area of the visual field caused by the other upright column; if c is equal to 0 degrees, calculating the angle sum d of the visual fields caused by the two adjacent columns, if d is larger than 10 degrees, adjusting the position of one column to enable d to be smaller than or equal to 10 degrees, or adjusting the position of one column to enable the column to be located in the range of the visual field blind zone caused by the other column.
In S1, a sight starting point is used as a starting point, visible boundary lines of two stand columns are made, an area between the two visible boundary lines is a view dead zone caused by the stand column, and an included angle formed between the two visible boundary lines is an angle a of the view dead zone caused by the stand column.
In S2, the distance between the circle center of the stand column and the sight starting point is adjusted and increased, and the angle a of the visual field blind area caused by the stand column is reduced.
In S5, a visible boundary line of one of the pillars adjacent to the other pillar is a first boundary line, a visible boundary line of the other pillar adjacent to the first boundary line is a second boundary line, and an angle c between two blind fields caused by two adjacent pillars is formed between the first boundary line and the second boundary line.
In S6, when c is less than or equal to 5 ° and not equal to 0 °, adjusting the position of the center of a circle of one of the columns so that the center of the circle of the column is adjusted along the track of an adjustment circle, the center of the adjustment circle being a starting point, and the radius of the adjustment circle being a distance between the center of the circle of the column and a sight starting point, so that c is greater than 5 °.
Compared with the prior art, the cab visual field adjusting method provided by the embodiment of the invention has the beneficial effects that: after the cab visual field adjusting method is adopted, the positions of the stand columns are reasonably distributed, the angle of a single visual field blind area is ensured to be less than 10 degrees, the total angle of the visual field blind areas is ensured to be less than 20 degrees, and the angle of the adjacent visual field blind areas is ensured to be more than 5 degrees, so that the cab has a good visual field, and the safety of a ship during navigation is ensured.
Drawings
FIG. 1 is a schematic diagram of an unadjusted configuration of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an adjusted structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an adjusted structure according to a second embodiment of the present invention;
in the figure, 1, a first upright post; 11. a first field-of-view blind zone; 2. a second upright post; 21. a second field-of-view blind zone; 3. a third column; 31. a third field-of-view blind zone; 4. a fourth column; 41. the fourth field of view blind spot.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the present invention adopts the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A method for adjusting a view of a cab, which is generally operated according to a cab layout in a ship design stage, includes the steps of:
s1: taking the center of a driver seat (a steering seat) as a sight starting point, and respectively measuring the angle a of a visual field blind area caused by each upright post; the visual line starting point is used as a starting point, visual boundary lines of two stand columns are made, the area between the two visual boundary lines is a visual field blind area caused by the stand column, an included angle formed between the two visual boundary lines is an angle a of the visual field blind area caused by the stand column, when one stand column is not shielded by the other stand column, the visual boundary lines of the stand column are tangent lines on two sides of the stand column, when one stand column is partially shielded by the other stand column, one visual boundary line of the stand column is a tangent line on one side of the stand column which is not shielded, the other visual boundary line of the stand column is overlapped with one visual boundary line of the other stand column, when one stand column is completely shielded by the other stand column, namely, the stand column is completely positioned in the range of the visual field blind area caused by the other stand column, and the stand column which is completely shielded at the moment can not cause the visual field blind area.
S2: if a is more than 10 degrees, adjusting the position of the upright column to enable a to be less than or equal to 10 degrees; the distance between the circle center of the stand column and the sight starting point can be increased through adjustment, the angle a of a visual field blind area caused by the stand column is reduced, or the position of the stand column is adjusted, so that the stand column is partially or completely shielded by another stand column.
S3: calculating the total angle b of the visual field blind area caused by each upright post;
s4: if b is greater than 20 degrees, adjusting the position of one or more upright posts so that b is less than or equal to 20 degrees; the position adjustment method of the pillar may refer to the position adjustment method in S2.
S5: measuring an angle c between visual field blind areas caused by two adjacent upright posts; the visible boundary line of one upright column close to the other upright column is a first boundary line, the visible boundary line of the other upright column close to the first boundary line is a second boundary line, and an included angle formed between the first boundary line and the second boundary line is an angle c between view dead zones caused by two adjacent upright columns.
S6: if c is less than or equal to 5 degrees and is not equal to 0 degrees, namely the two upright columns are mutually independent, the position of one upright column is adjusted at the moment, so that c is greater than 5 degrees, or the position of one upright column is adjusted, so that the upright column is positioned in the range of the view blind area caused by the other upright column; if c is equal to 0 degrees, namely one of the upright columns is partially shielded by the other upright column, or the view blind area caused by one of the upright columns is just in fit connection with the view blind area caused by the other upright column, at the moment, the angle sum d of the views caused by the two adjacent upright columns is calculated, if d is larger than 10 degrees, the position of one of the upright columns is adjusted, so that d is smaller than or equal to 10 degrees, namely the overlapping area of the view blind areas caused by the two upright columns is increased, or the position of one of the upright columns is adjusted, so that the upright column is positioned in the range of the view blind area caused by the other upright column.
In S6, when c is less than or equal to 5 degrees and not equal to 0 degree, the position of the center of a circle of one of the columns is adjusted, so that the center of the circle of the column is adjusted along the track of an adjusting circle, the center of the adjusting circle is the starting point of the sight line, the radius of the adjusting circle is the distance between the center of the circle of the column and the starting point of the sight line, so that c is greater than 5 degrees, and the angle of the blind area of the field of view caused by the column is ensured to be unchanged after the position of the column is adjusted by adjusting according to the method.
After the cab visual field adjusting method is adopted, the positions of the stand columns are distributed reasonably, the angle of a single visual field blind area is ensured to be smaller than 10 degrees, the total angle of the visual field blind areas is smaller than 20 degrees, and the angle between two adjacent visual field blind areas is larger than 5 degrees (when the angle between the visual field blind areas caused by the two stand columns is 0 degree, the visual field blind area caused by the two stand columns is regarded as one visual field blind area), so that the cab has a good visual field, and the safety of a ship in navigation is ensured.
The first embodiment of the present invention.
As shown in fig. 1, the visual field blind zone caused by the first column 1 is a first visual field blind zone 11, the visual field blind zone caused by the second column 2 is a second visual field blind zone 21, the visual field blind zone caused by the third column 3 is a third visual field blind zone 31, the visual field blind zone caused by the fourth column 4 is a fourth visual field blind zone 41, the angle of the first visual field blind zone 11 is a1, the angle of the second visual field blind zone is a2, the angle of the third visual field blind zone 31 is a3, the angle of the fourth visual field blind zone 41 is a4, the total angle of the visual field blind zones is b1, the angle between the first visual field blind zone 11 and the second visual field blind zone 21 is c1, and the angle between the third visual field blind zone 31 and the fourth visual field blind zone 41 is c2, measured, a1=3.7 °, a2=2.2 °, a3=2.2 °, a4=3.7 °, c1=4.6 °, c2=4.6 °, so b1=3.7 ° +2.2 ° +2.2 ° +3.7 ° =11.8 °, i.e. the angle of the blind field area caused by each column corresponds to 10 ° or less, the angle of the blind field area caused by all columns is 20 ° or less, but c1 and c2 are respectively greater than 5 °, so the positions of the second column 2 and the third column 3 are adjusted, the position of the center of the circle of the second column 2 and the position of the center of the circle of the third column 3 are respectively adjusted along the trajectories of the adjustment circles thereof, as shown in fig. 2, after the adjustment, c1=7.8 °, c2=7.8 °, the angle between two adjacent blind fields is greater than 5 °.
Fig. 3 shows a second embodiment of the present invention.
The second embodiment is different from the first embodiment in that the second column 2 and the third column 3 of the second embodiment are adjusted in such a manner that the second column 2 is adjusted to be within the range of the first view blind area 11, and the third column 3 is adjusted to be within the range of the fourth view blind area 41, that is, the second column 2 and the third column 3 do not cause the view blind area any more, so that the range of the whole view blind area is reduced, and the view of the cab is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. A method for adjusting a visual field of a cab is characterized in that: the method comprises the following steps:
s1: respectively measuring the angle a of a visual field blind area caused by each upright post by taking the center of a driver seat as a sight starting point;
s2: if a is more than 10 degrees, adjusting the position of the upright column to enable a to be less than or equal to 10 degrees;
s3: calculating the total angle b of the visual field blind area caused by each upright post;
s4: if b is larger than 20 degrees, adjusting the position of one or more upright posts to enable b to be smaller than or equal to 20 degrees;
s5: measuring an angle c between visual field blind areas caused by two adjacent upright posts;
s6: if c is less than or equal to 5 degrees and is not equal to 0 degrees, adjusting the position of one of the upright columns to enable c to be greater than 5 degrees, or adjusting the position of one of the upright columns to enable the upright column to be positioned in the range of the blind area of the visual field caused by the other upright column; if c is equal to 0 degrees, calculating the angle sum d of the visual fields caused by the two adjacent columns, if d is larger than 10 degrees, adjusting the position of one column to enable d to be smaller than or equal to 10 degrees, or adjusting the position of one column to enable the column to be located in the range of the visual field blind zone caused by the other column.
2. The cab visibility adjustment method according to claim 1, characterized in that: in S1, a sight starting point is taken as a starting point, visible boundary lines of two stand columns are made, an area between the two visible boundary lines is a view dead zone caused by the stand columns, and an included angle formed between the two visible boundary lines is an angle a of the view dead zone caused by the stand columns.
3. The cab visual field adjusting method according to claim 1, wherein: in S2, the distance between the circle center of the upright post and the sight starting point is adjusted and increased, so that the angle a of the visual field blind area caused by the upright post is reduced.
4. The cab visibility adjustment method according to claim 2, characterized in that: in S5, a visible boundary line of one of the pillars adjacent to the other pillar is a first boundary line, a visible boundary line of the other pillar adjacent to the first boundary line is a second boundary line, and an angle c between the blind fields of view caused by two adjacent pillars is formed between the first boundary line and the second boundary line.
5. The cab visibility adjustment method according to claim 1, characterized in that: in S6, when c is less than or equal to 5 ° and not equal to 0 °, adjusting the position of the center of a circle of one of the columns so that the center of the circle of the column is adjusted along the track of an adjustment circle, the center of the adjustment circle being a starting point, the radius of the adjustment circle being a distance between the center of the circle of the column and a sight line starting point, so that c is greater than 5 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210855816.7A CN115230868B (en) | 2022-07-15 | 2022-07-15 | Cab visual field adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210855816.7A CN115230868B (en) | 2022-07-15 | 2022-07-15 | Cab visual field adjusting method |
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| CN115230868A true CN115230868A (en) | 2022-10-25 |
| CN115230868B CN115230868B (en) | 2024-03-26 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005289295A (en) * | 2004-04-02 | 2005-10-20 | Shin Kurushima Dockyard Co Ltd | Bridge structure of pod propulsion ship |
| KR20100137911A (en) * | 2009-06-23 | 2010-12-31 | 주식회사 화승알앤에이 | A window seal and manufacture of using in ships |
| KR20110090364A (en) * | 2010-02-03 | 2011-08-10 | 삼성중공업 주식회사 | Refracting window equiped deckhouse and vessel with the deckhouse |
| CN103350737A (en) * | 2013-07-24 | 2013-10-16 | 上海船舶研究设计院 | Ship cab structure |
| CN204452824U (en) * | 2015-01-30 | 2015-07-08 | 江苏韩通船舶重工有限公司 | A kind of crane structure being applied to the sight line adjustment of freighter navigation bridge |
| CN110712714A (en) * | 2019-10-21 | 2020-01-21 | 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） | Window frame structure capable of effectively reducing blind area range of ship cab |
-
2022
- 2022-07-15 CN CN202210855816.7A patent/CN115230868B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005289295A (en) * | 2004-04-02 | 2005-10-20 | Shin Kurushima Dockyard Co Ltd | Bridge structure of pod propulsion ship |
| KR20100137911A (en) * | 2009-06-23 | 2010-12-31 | 주식회사 화승알앤에이 | A window seal and manufacture of using in ships |
| KR20110090364A (en) * | 2010-02-03 | 2011-08-10 | 삼성중공업 주식회사 | Refracting window equiped deckhouse and vessel with the deckhouse |
| CN103350737A (en) * | 2013-07-24 | 2013-10-16 | 上海船舶研究设计院 | Ship cab structure |
| CN204452824U (en) * | 2015-01-30 | 2015-07-08 | 江苏韩通船舶重工有限公司 | A kind of crane structure being applied to the sight line adjustment of freighter navigation bridge |
| CN110712714A (en) * | 2019-10-21 | 2020-01-21 | 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） | Window frame structure capable of effectively reducing blind area range of ship cab |
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| CN115230868B (en) | 2024-03-26 |
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