CN107042872A - A kind of measuring method of anchor angle - Google Patents
A kind of measuring method of anchor angle Download PDFInfo
- Publication number
- CN107042872A CN107042872A CN201710014295.1A CN201710014295A CN107042872A CN 107042872 A CN107042872 A CN 107042872A CN 201710014295 A CN201710014295 A CN 201710014295A CN 107042872 A CN107042872 A CN 107042872A
- Authority
- CN
- China
- Prior art keywords
- anchor
- angle
- measuring method
- fluke
- pole
- Prior art date
- 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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/24—Anchors
- B63B21/30—Anchors rigid when in use
- B63B21/34—Anchors rigid when in use with two or more flukes
- B63B21/36—Anchors rigid when in use with two or more flukes foldable
Abstract
The invention provides a kind of measuring method of anchor angle, the anchor (1) includes anchor pole (11) and anchor fluke (12), the anchor pole (11) and anchor fluke (12) are rotatably connected by rotary shaft (13), and the measuring method comprises the following steps：S1, anchor pole sling, it is in maximum angle anchor fluke relative rotation axi is turned to anchor pole；S2, the rotating shaft center of measurement anchor pole two sides are respectively x and x1 to the length of the crown of two anchor flukes；Point A is taken on S3, the anchor pole center side line for the anchor fluke for being x in close length so that the distance of rotating shaft center to A points is equal to x；S4, connection B and B1, the beeline of measurement A points to B and B1 line is y；S5, the maximum angle α for obtaining by trigonometric function formula anchor pole and anchor fluke.The measuring method of the anchor angle of the present invention, it measures accurate.
Description
Technical field
The present invention relates to anchor field, more particularly to a kind of measuring method of anchor angle.
Background technology
Anchor is the critical piece of ship equipment, is that one kind brings to utensil, throws at the bottom with iron chains or rope even aboard ship,
Ship can be made to come to a complete stop.Current anchor, its anchor pole and anchor fluke junction are connected by rotary shaft, anchor fluke can around rotary shaft rotate with
A maximum angle is formed between anchor pole, in order to find the fixation that crawl thing carries out ship at an appropriate angle at the bottom.
In order to measure the maximum angle between anchor pole and anchor fluke, existing method is all theoretically to be calculated probably using Pythagorean theorem
Angle, but have gap between the rotary shaft of anchor and connecting hole, simple use theoretical calculation has very with design angle
Big deviation, so as to cause anchor angle improper.The accuracy of the angle of anchor has a great impact to the power that is tethered at of itself, anchor
Power is tethered at more than external force such as stormy waves stream etc., anchor is tethered at power mainly by conducting oneself with dignity and grab bottom.Usually, different ships is equipped with and mutually fitted
The anchor for the weight answered, if the angle of anchor is unqualified, carries out that grip can be caused loosely during crawl thing crawl, so that ship at the bottom
The influence of incessantly extraneous such as stormy waves stream is solely subjected to, serious meeting causes ship impaired or shipwreck.
Therefore, it is necessary to provide a kind of new technical scheme.
The content of the invention
In order to overcome the defect of above-mentioned prior art, the present invention provides a kind of measuring method of anchor angle, and it measures accurate.
To achieve the above object, a kind of measuring method of anchor angle of the invention, the anchor includes anchor pole and anchor fluke, described
Anchor pole and anchor fluke are rotatably connected by rotary shaft, and the measuring method comprises the following steps：
S1, anchor pole sling, it is in maximum angle anchor fluke relative rotation axi is turned to anchor pole；
S2, the rotating shaft center of measurement anchor pole two sides are respectively x and x1 to the length of the crown of two anchor flukes；
S3, close to length for x anchor fluke anchor pole center side line on take point A so that rotating shaft center to A points away from
From equal to x；
S4, connection B and B1, the beeline of measurement A points to B and B1 line is y；
S5, anchor pole is obtained by formula and the maximum angle α of anchor fluke is：
Further, in step S3, point A1 points is taken on the center side line close to length for the anchor pole of x1 anchor fluke, are made
Obtain rotating shaft center to the distance of A1 points and be equal to x1；
In step S4, B and B1 is connected, the beeline of measurement A1 points to B and B1 lines is y；
In step S5, the maximum angle α for obtaining anchor pole and anchor fluke by formula is：
Further, described two anchor flukes are symmetricly set in the both sides of the anchor pole.
Further, also include after step S1, before S2：Center line is done in the side of anchor pole.
Further, x error in length is no more than+0.001mm or -0.001mm；
X1 error in length is no more than+0.001mm or -0.001mm.
Further, y error in length is no more than+0.001mm or -0.001mm.
Further, also include after step S5, the anchor angle [alpha] measured is compared with design angle α 1, if anchor
Angle [alpha] is no more than 0.001 ° with the errors of design angle α 1, then illustrates that anchor angle is qualified.
Compared with prior art, the invention has the advantages that：
(1) measuring method of anchor angle of the invention, it tries to achieve the maximum angular of anchor pole and anchor fluke by trigonometric function formula
α is spent, the measuring method is not only simple, and accuracy of measurement is high.
(2) measuring method of anchor angle of the invention, it is in measurement, by controlling x or x1 error in length to be not surpass
Cross+0.001mm or -0.001mm, y error in length is no more than+0.001mm or -0.001mm, so as to control anchor angle [alpha]
0.001 ° is no more than with the errors of design angle α 1, it is whether qualified so as to effective detection anchor angle.
(3) measuring method of anchor angle of the invention, its degree of accuracy by improving anchor angle, and then anchor is improved at the bottom
The firm performance of crawl.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, it can also obtain other according to these accompanying drawings
Accompanying drawing.Wherein：
Fig. 1 is the structural representation of anchor of the present invention；
Fig. 2 regards schematic diagram for Fig. 1 right side.
Wherein, 1- anchors, 11- anchor poles, 111- anchor pole center side lines, 12- anchor flukes, 13- rotary shafts, 14- anchor poles front,
15- anchor poles side, 16-B and B1 line.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
" one embodiment " or " embodiment " referred to herein refers to may be included at least one implementation of the invention
Special characteristic, structure or characteristic." in one embodiment " that different places occur in this manual not refers both to same
Individual embodiment, nor the single or selective embodiment mutually exclusive with other embodiment.
Fig. 1 and Fig. 2 are referred to, Fig. 1 is the structural representation of anchor of the present invention；Fig. 2 regards schematic diagram for Fig. 1 right side.Such as Fig. 1 and
Shown in Fig. 2, the anchor 1 includes anchor pole 11 and anchor fluke 12, and the anchor pole 11 and anchor fluke 12 are rotatably connected by rotary shaft 13.Institute
Anchor fluke 12 is stated for two, two anchor flukes 12 are symmetricly set in the two sides 15 of the anchor pole 11.
The measuring method of anchor angle of the present invention comprises the following steps：
S1, anchor pole 11 sling, it is in maximum angle the relative rotation axi 13 of anchor fluke 12 is turned to anchor pole 11.In the implementation
In example, towards anchor pole front 14 after the rotation of anchor fluke 12.
S2, the center of rotary shaft 13 of measurement anchor pole two sides are respectively x and x1 to the length of the crown of two anchor flukes 12.
Point A is being taken on S3,15 center lines of anchor pole side for the anchor fluke 12 for being x in close length so that the center of rotary shaft 13 to A
The distance of point is equal to x.
S4, connection B and B1, the beeline of measurement A points to B and B1 line 16 is y.
S5, anchor pole is obtained by equation below and the maximum angle α of anchor fluke is：
In one embodiment, in step S3, it can also measure in anchor pole side of the length for x1 anchor fluke 12
Point A1 points are taken on heart line 111 so that the distance at the center of rotary shaft 13 to A1 points is equal to x1.
In step S4, B and B1 is connected, the beeline of measurement A1 points to B and B1 lines is y；
In step S5, the maximum angle α for obtaining anchor pole 11 and anchor fluke 12 by equation below is：
In one embodiment, also include after step S1, before S2：Center line is done in the side of anchor pole 11.
The measuring method of the present invention, its X measured error in length is no more than+0.001mm or -0.001mm；
X1 error in length is no more than+0.001mm or -0.001mm；Y error in length be no more than+0.001mm or-
0.001mm.Because each length-measuring error of the present invention is smaller, anchor angle [alpha] and the errors of design angle α 1 are controlled well not
It is whether qualified so as to effective detection anchor angle more than 0.001 °.
In one embodiment, also include after step S5, the anchor angle [alpha] measured is compared with design angle α 1
Compared with if anchor angle [alpha] and the errors of design angle α 1 illustrate that anchor angle is qualified no more than 0.001 °.
In another embodiment, the angle of anchor does negative common difference in Wooden Pattern Making, and anchor of polishing is passed through in finished product detection
The contact surface of bar and anchor head is modified, it is qualified after dispatch from the factory.
The invention has the advantages that：
(1) measuring method of anchor angle of the invention, it tries to achieve the maximum angular of anchor pole and anchor fluke by trigonometric function formula
α is spent, the measuring method is not only simple, and accuracy of measurement is high.
(2) measuring method of anchor angle of the invention, it is in measurement, by controlling x or x1 error in length to be not surpass
Cross+0.001mm or -0.001mm, Y error in length is no more than+0.001mm or -0.001mm, so as to control anchor angle [alpha]
0.001 ° is no more than with the errors of design angle α 1, it is whether qualified so as to effective detection anchor angle.
(3) measuring method of anchor angle of the invention, its degree of accuracy by improving anchor angle, and then anchor is improved at the bottom
The firm performance of crawl.
Described above has fully disclosed the embodiment of the present invention.It is pointed out that being familiar with the field
Scope of any change that technical staff is done to the embodiment of the present invention all without departing from claims of the present invention.
Correspondingly, the scope of claim of the invention is also not limited only to previous embodiment.
Claims (7)
1. a kind of measuring method of anchor angle, the anchor (1) includes anchor pole (11) and anchor fluke (12), the anchor pole (11) and anchor fluke
(12) it is rotatably connected by rotary shaft (13), it is characterised in that：The measuring method comprises the following steps：
S1, anchor pole sling, it is in maximum angle anchor fluke relative rotation axi is turned to anchor pole；
S2, the rotating shaft center of measurement anchor pole two sides are respectively x and x1 to the length of the crown of two anchor flukes；
Point A is taken on S3, the anchor pole center side line for the anchor fluke for being x in close length so that rotating shaft center to the distance of A points etc.
In x；
S4, connection B and B1, the beeline of measurement A points to B and B1 line is y；
S5, anchor pole is obtained by formula and the maximum angle α of anchor fluke is：
2. the measuring method of anchor angle according to claim 1, it is characterised in that：
In step S3, point A1 points are taken on the center side line close to length for the anchor pole of x1 anchor fluke so that rotating shaft center
Distance to A1 points is equal to x1；
In step S4, B and B1 is connected, the beeline of measurement A1 points to B and B1 lines is y；
In step S5, the maximum angle α for obtaining anchor pole and anchor fluke by formula is：
3. the measuring method of anchor angle according to claim 2, it is characterised in that：Described two anchor flukes (12) are symmetrical arranged
Both sides in the anchor pole (11).
4. the measuring method of anchor angle according to claim 1, it is characterised in that：
Also include after step S1, before S2：Center line is done in the side of anchor pole.
5. the measuring method of anchor angle according to claim 2, it is characterised in that：
X error in length is no more than+0.001mm or -0.001mm；
X1 error in length is no more than+0.001mm or -0.001mm.
6. the measuring method of anchor angle according to claim 5, it is characterised in that：
Y error in length is no more than+0.001mm or -0.001mm.
7. the measuring method of anchor angle according to claim 6, it is characterised in that：
Also include after step S5, the anchor angle [alpha] measured is compared with design angle α 1, if anchor angle [alpha] and design angle
Spend the errors of α 1 and be no more than 0.001 °, then illustrate that anchor angle is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014295.1A CN107042872B (en) | 2017-01-10 | 2017-01-10 | A kind of measurement method of anchor angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014295.1A CN107042872B (en) | 2017-01-10 | 2017-01-10 | A kind of measurement method of anchor angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107042872A true CN107042872A (en) | 2017-08-15 |
| CN107042872B CN107042872B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710014295.1A Active CN107042872B (en) | 2017-01-10 | 2017-01-10 | A kind of measurement method of anchor angle |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07234101A (en) * | 1994-02-23 | 1995-09-05 | Honshu Paper Co Ltd | Radius-of-curvature measuring instrument |
| CN201784792U (en) * | 2010-07-29 | 2011-04-06 | 江苏翔晟重工有限公司 | Improved structure for balancing high-holding-power Bohr anchor |
| CN202002633U (en) * | 2010-10-26 | 2011-10-05 | 深圳信息职业技术学院 | Inner hole taper measuring equipment |
| CN102358289A (en) * | 2011-09-07 | 2012-02-22 | 北京理工大学 | Method for rapidly identifying curve main target under ACC (Adaptive Cruise Control) working condition of vehicle |
| CN104457686A (en) * | 2014-12-03 | 2015-03-25 | 中船黄埔文冲船舶有限公司 | Space angle measurement device |
| CN106184625A (en) * | 2016-08-11 | 2016-12-07 | 巢湖市银环航标有限公司 | A kind of anchor of rotatable anchor head |
-
2017
- 2017-01-10 CN CN201710014295.1A patent/CN107042872B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07234101A (en) * | 1994-02-23 | 1995-09-05 | Honshu Paper Co Ltd | Radius-of-curvature measuring instrument |
| CN201784792U (en) * | 2010-07-29 | 2011-04-06 | 江苏翔晟重工有限公司 | Improved structure for balancing high-holding-power Bohr anchor |
| CN202002633U (en) * | 2010-10-26 | 2011-10-05 | 深圳信息职业技术学院 | Inner hole taper measuring equipment |
| CN102358289A (en) * | 2011-09-07 | 2012-02-22 | 北京理工大学 | Method for rapidly identifying curve main target under ACC (Adaptive Cruise Control) working condition of vehicle |
| CN104457686A (en) * | 2014-12-03 | 2015-03-25 | 中船黄埔文冲船舶有限公司 | Space angle measurement device |
| CN106184625A (en) * | 2016-08-11 | 2016-12-07 | 巢湖市银环航标有限公司 | A kind of anchor of rotatable anchor head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107042872B (en) | 2019-05-07 |
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