CN110285797A - A kind of card calibration line point acquiring method of non-parallel line style - Google Patents
A kind of card calibration line point acquiring method of non-parallel line style Download PDFInfo
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- CN110285797A CN110285797A CN201910547890.0A CN201910547890A CN110285797A CN 110285797 A CN110285797 A CN 110285797A CN 201910547890 A CN201910547890 A CN 201910547890A CN 110285797 A CN110285797 A CN 110285797A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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Abstract
The present invention relates to a kind of card calibration line point acquiring methods of non-parallel line style.The following steps are included: S1: crossing header card line-transect type and do fore perpendicular, cross tail card line-transect type and do after-perpendicular；S2: interception sets length, to create header card sample bar corresponding to header card line-transect type on fore perpendicular, intercepts setting length, on after-perpendicular using the intersection point of tail card line-transect type and after-perpendicular as starting point to create tail card sample bar corresponding to tail card line-transect type；S3: first directrix point and tail directrix point are connected and generates connecting line segment, while extending header card sample bar and tail card sample bar and intersecting at point O；S4: by connecting line segment equal part and the equal Along ent of quantity is created according to the number of card line-transect type remaining between header card line-transect type and tail card line-transect type；S5: card sample bar corresponding to remaining card line-transect type is created.Directrix point acquiring method of the invention gives the card calibration line point specifically for non-parallel line style and seeks mode, so that the finding process of non-parallel line style is more reasonable.
Description
Technical field
The present invention relates to Ship Design Technology field more particularly to a kind of card calibration line point sides of seeking of non-parallel line style
Method.
Background technique
There are many curved plate members, in order to guarantee the machining accuracy of these curved plate members, in the prior art usually in ship
It is processed by the way of the sizing of card sample, a curved plate member has and bending on card sample by needing to design multiple card samples
The compatible card line-transect type of the curvature of plate corresponding position, by the way that these card samples are arranged on corresponding rib bit line when use,
Card line-transect type on these card samples can scrabble up the general profile of curved plate member, determine to realize plate member bent precision
Position, the processing of current each card sample need to refer to the card master drawing sample of design, and the essential step in card master drawing sample is determining directrix point.
The determination of directrix point at present mainly does approximate vertical line at the card line-transect type in middle position, such as Fig. 1 and Fig. 2 institute
Show, vertical line is that is, card sample bar 3, and then a certain height on vertical line chooses some directrix as whole card line-transect types 1
Point 4, the determination methods of this directrix point 4 are single, and are influenced by plate line style, and card sample bar 3 can be with different card samples
Line style 1 forms excessive or too small angle, and the difference in height of each card sample bar 3 is big, it has not been convenient to process the production of card sample, while shadow
Processing, use, storage, the transport etc. for ringing card sample, furthermore in actual conditions, each card line-transect type 1 of same curved plate member is to exist
Length and the different problem of density, and it is directed to not targeted 4 side of seeking of directrix point of different types of card line-transect type 1
Method.
Summary of the invention
The present invention provides a kind of card calibration line point acquiring methods of non-parallel line style, for solving directrix in the prior art
The acquiring method of point is single and the technical issues of not specifically for the card calibration line point acquiring method of non-parallel line style.
The card calibration line point acquiring method of non-parallel line style of the invention adopts the following technical scheme that:
A kind of card calibration line point acquiring method of non-parallel line style the following steps are included:
S1: fore perpendicular is done in the middle position for crossing header card line-transect type, and after-perpendicular is done in the middle position for crossing tail card line-transect type；
S2: setting length is intercepted, on fore perpendicular using the intersection point of header card line-transect type and fore perpendicular as starting point to create header card
Header card sample bar corresponding to line-transect type intercepts setting length using the intersection point of tail card line-transect type and after-perpendicular as starting point on after-perpendicular
Degree, to create tail card sample bar corresponding to tail card line-transect type, the tail point of header card sample bar be headed by directrix point, the tail point of tail card sample bar
As tail directrix point；
S3: first directrix point and tail directrix point are connected and generates connecting line segment, while extending header card sample bar and tail card sample bar simultaneously
Intersect at point O；
S4: according to the number of card line-transect type remaining between header card line-transect type and tail card line-transect type by connecting line segment equal part, simultaneously
Create the equal Along ent of quantity；
S5: excessively each Along ent intersects with the line of point O and respectively to the extension of corresponding card line-transect type, to create remaining card sample
Card sample bar corresponding to line style.
The utility model has the advantages that the card calibration line point acquiring method of non-parallel line style of the invention gives specifically for non-flat line
The card calibration line point of type seeks mode, so that the finding process of non-parallel line style is more reasonable, operates more convenient.In addition, this
The acquiring method of the non-parallel line style directrix point of invention is provided with directrix point for each card line-transect type correspondingly, this
The arrangement of calibration line point is more reasonable, and each card line-transect type in the prior art that avoids is used when unified directrix point, is easy
There is the excessive or too small problem of angle between the card sample bar and corresponding card calibration line for outside occur, also avoids each card line-transect
The excessive problem of card sample pole length difference corresponding to type improves the versatility of processing card sample, reduces the cost of processing.
Further, in step s 2, header card sample bar is identical with the length of tail card sample bar.The beneficial effect is that: further
Reduce the otherness of each card sample pole length.
Further, the length of header card sample bar and tail card sample bar is between 450mm~550mm.The beneficial effect is that: so that card
The length of sample bar is in reasonable range.
Further, the fore perpendicular and after-perpendicular are respectively positioned on the inside of corresponding card line-transect type.
Further, in step s 4, the creation of each Along ent is sought by the way of measurement or geometric construction.
Detailed description of the invention
Fig. 1 is directrix point acquiring method schematic diagram one in the prior art；
Fig. 2 is directrix point acquiring method schematic diagram two in the prior art；
Fig. 3 is the acquiring method schematic diagram of the embodiment 1 of the card calibration line point acquiring method of non-parallel line style of the invention.
The reference numerals are as follows:
1- card line-transect type, 11- header card line-transect type, 12- tail card line-transect type, 2- plate stitch, 3- card sample bar, 31- header card sample bar,
32- tail card sample bar, 4- directrix point, 41- head directrix point, 42- tail directrix point, 5- connecting line segment.
Specific embodiment
To better illustrate the object, technical solutions and advantages of the present invention, with reference to the accompanying drawings and examples to the present invention
Specific embodiment be described in further detail.The following examples are intended to illustrate the invention, but is not limited to of the invention
Range.
The embodiment 1 of the card calibration line point acquiring method of non-parallel line style of the invention:
As shown in figure 3, the card calibration line point acquiring method of non-parallel line style the following steps are included:
S1: fore perpendicular is done in the middle position for crossing header card line-transect type 11, and after-perpendicular is done in the middle position for crossing tail card line-transect type 12；
Specifically, sharing four card line-transect types, respectively curve L1, curve L2, curve L3 and song in the present embodiment
Line L4, the length of four card line-transect types is not equal and side is more closely knit, the other side is more evacuated, curve L1, song in the present embodiment
Line L2, curve L3 and curve L4 gradually shorten according to number, wherein curve L1 longest, and curve L4 is most short.It should be noted that
Curve L1 is header card line-transect type 11 in the present embodiment, and curve L4 is tail card line-transect type 12.Four card line-transect types can regard
The section line style for being curved surface plate at respective ribs bit line.The two sides of four card line-transect types, which are drawn, in the present embodiment plate stitch 2,
Plate stitch 2 can be considered as the edge line of four card line-transect types in the present embodiment.
Draw fore perpendicular when, first curve L1 middle position choose a bit, then using the point of selection as intersection point point to
Vertical line is done on the inside of curve L1, the vertical line made is fore perpendicular；It is similar, when drawing after-perpendicular, first in curve L4
Between position choose a bit, be then intersection point point to vertical line is done on the inside of curve L4 using the point of selection, the vertical line made is tail
Vertical line.It should be noted that the fore perpendicular and after-perpendicular drawn in the present embodiment are not parallel to each other each other.
S2: setting length is intercepted, on fore perpendicular using the intersection point of header card line-transect type 11 and fore perpendicular as starting point to create head
Header card sample bar 31 corresponding to card line-transect type 11 is intercepted on after-perpendicular using tail card line-transect type 12 and the intersection point of after-perpendicular as starting point
Setting length, to create tail card sample bar 32 corresponding to tail card line-transect type 12, the tail point of header card sample bar 31 be headed by directrix point 41,
The tail point of tail card sample bar 32 is tail directrix point 42；
Specifically, the intersection point of header card line-transect type 11 and fore perpendicular is point a1 in the present embodiment, set in the present embodiment
Length is 500mm, when creation, intercepts the length of 500mm on fore perpendicular using point a1 as starting point, point a is generated after interception, intercept
Line segment a1a be header card sample bar 31, and point a1 is the starting point of header card sample bar 31, and point a is the tail point of header card sample bar 31, a
Point is also first directrix point 41 corresponding to header card line-transect type 11.
Similar, the intersection point of tail card line-transect type 12 and after-perpendicular is point d1 in the present embodiment, then using point d1 as starting point
The length that 500mm is intercepted on after-perpendicular, generates point d, the line segment d1d of interception is tail card sample bar 32, and point d1 after interception
The as starting point of tail card sample bar 32, point d are the tail point of tail card sample bar 32, and point d, which is also corresponding to tail card line-transect type 12, is
Directrix point.
S3: first directrix point 41 and tail directrix point 42 are connected and generates connecting line segment 5, while extending header card sample bar 31 and tail card
Sample bar 32 simultaneously intersects at point O；
Specifically, connecting line segment 5 can be created by tie point a and point d in the present embodiment, in creation connecting line segment 5
While can extend header card sample bar 31 and tail card sample bar 32 and intersect at point O, it should be noted that in the present embodiment create connect
There is no the tandem in step, the present embodiment was not also created the two for the process of wiring section 5 and the process of creation point O
The sequencing of journey is defined.
S4: according to the number of card line-transect type remaining between header card line-transect type 11 and tail card line-transect type 12 by connecting line segment 5 etc.
Divide and creates the equal Along ent of quantity；
Specifically, the creation of Along ent can be by the way of measuring, i.e., first with mapping software in the present embodiment
In instruction measure the total length of connecting line segment 5, then calculate the length of one third, be with point a and point d respectively
Endpoint measures point b and point c by fixed length of the length of one third on connecting line segment 5.
In addition, the creation of Along ent can also be drawn one as endpoint using point a first and be penetrated by the way of Geometric figure drawing
Then line successively intercepts isometric three sections along ray from the endpoint of selection and creates three separations, by point of farthest
Dot interlace is connected with point d creates first parallel lines, then crosses other two separation respectively and is parallel to the creation of the first parallel lines
The intersection point of Article 2 parallel lines and Article 3 parallel lines, Article 2 parallel lines and connecting line segment 5 is point b, Article 3 parallel lines
Intersection point with connecting line segment 5 is point c.
S5: excessively each Along ent intersects with the line of point O and respectively to the extension of corresponding card line-transect type, to create remaining card sample
Card sample bar corresponding to line style.
Specifically, when as the card sample bar corresponding to creation curve L2 in this present embodiment, tie point O first and point b,
Then line segment Ob being extended to curve L2 and hand over curve L2 in point b1, then line segment b1b is card sample bar corresponding to curve L2, and
Point b is the point of directrix corresponding to curve L2.
Similar, in the present embodiment when creating card sample bar corresponding to curve L3, then tie point O first and point c will
Line segment Oc extends to curve L3 and hands over curve L3 in point c1, then line segment c1c is card sample bar corresponding to curve L3, and point c is
For the point of directrix corresponding to curve L3.
In other embodiments: the number of card line-transect type can be two, three or four or more；Header card sample bar and tail
The length of card sample bar can be chosen for 450mm, 550mm etc.；
Above embodiments essentially describe the basic principles, principal features and advantages of the present invention.The technical staff of the industry
It should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.
Claims (5)
1. a kind of card calibration line point acquiring method of non-parallel line style, it is characterised in that the following steps are included:
S1: fore perpendicular is done in the middle position for crossing header card line-transect type (11), and after-perpendicular is done in the middle position for crossing tail card line-transect type (12)；
S2: setting length is intercepted, on fore perpendicular using the intersection point of header card line-transect type (11) and fore perpendicular as starting point to create header card
Header card sample bar (31) corresponding to line-transect type (11), the intersection point using tail card line-transect type (12) and after-perpendicular is starting point on after-perpendicular
Interception sets length, to create tail card sample bar (32) corresponding to tail card line-transect type (12), and the tail point of header card sample bar (31) is
First directrix point (41), the tail point of tail card sample bar (32) are tail directrix point (42)；
S3: connecting first directrix point (41) and tail directrix point (42) simultaneously generates connecting line segment (5), at the same extend header card sample bar (31) and
Tail card sample bar (32) simultaneously intersects at point O；
S4: according to the number of card line-transect type remaining between header card line-transect type (11) and tail card line-transect type (12) by connecting line segment (5)
Equal part simultaneously creates the equal Along ent of quantity；
S5: excessively each Along ent intersects with the line of point O and respectively to the extension of corresponding card line-transect type, to create remaining card line-transect type
Corresponding card sample bar.
2. the card calibration line point acquiring method of non-parallel line style according to claim 1, it is characterised in that: in step S2
In, header card sample bar (31) is identical with the length of tail card sample bar (32).
3. the card calibration line point acquiring method of non-parallel line style according to claim 2, it is characterised in that: header card sample bar
(31) and the length of tail card sample bar (32) is between 450mm~550mm.
4. the card calibration line point acquiring method of non-parallel line style according to claim 1, it is characterised in that: the fore perpendicular
The inside of corresponding card line-transect type is respectively positioned on after-perpendicular.
5. the card calibration line point acquiring method of non-parallel line style according to claim 1, it is characterised in that: in step S4
In, the creation of each Along ent is sought by the way of measurement or geometric construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547890.0A CN110285797B (en) | 2019-06-21 | 2019-06-21 | Non-parallel line type card sample alignment point solving method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910547890.0A CN110285797B (en) | 2019-06-21 | 2019-06-21 | Non-parallel line type card sample alignment point solving method |
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| CN110285797A true CN110285797A (en) | 2019-09-27 |
| CN110285797B CN110285797B (en) | 2021-04-06 |
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| CN201910547890.0A Active CN110285797B (en) | 2019-06-21 | 2019-06-21 | Non-parallel line type card sample alignment point solving method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112065075A (en) * | 2020-09-07 | 2020-12-11 | 中建八局科技建设有限公司 | Positioning and paying-off method for sidelines with irregular structures |
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| CN112065075A (en) * | 2020-09-07 | 2020-12-11 | 中建八局科技建设有限公司 | Positioning and paying-off method for sidelines with irregular structures |
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