CN110282072A - The determination method of full-rotating rudder paddle deep bracket surplus cutting line - Google Patents
The determination method of full-rotating rudder paddle deep bracket surplus cutting line Download PDFInfo
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- CN110282072A CN110282072A CN201910571404.9A CN201910571404A CN110282072A CN 110282072 A CN110282072 A CN 110282072A CN 201910571404 A CN201910571404 A CN 201910571404A CN 110282072 A CN110282072 A CN 110282072A
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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
- B63B71/00—Designing vessels; Predicting their performance
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Abstract
The present invention relates to the technical fields of rudder paddle device, disclose a kind of determination method of full-rotating rudder paddle deep bracket surplus cutting line, space coordinates are established on full-rotating rudder paddle, take bottom sealing plate and point B (x2 on the basis of wherein three intersection points of full-rotating rudder paddle deep bracket, y2, Z2), C (x3, y3, Z3), D (x4, y4, Z4), intersection point Hn (the En of bottom sealing plate and deep bracket is determined according to formula, Fn, Zn), wherein the x and y coordinates value of the coordinate value of three datum marks and intersection point can be by directly measuring conversion with tape measure or according to equipment data in a coordinate system at the scene, same deep bracket, which connects the coordinate of head and the tail two o'clock, can be obtained full-rotating rudder paddle deep bracket surplus cutting line, measuring tool is simple, without using total station, And can be manipulated at any time by this department personnel, without being limited to external door, meanwhile, human cost and time cost can effectively be saved using this method, reduce check workload.
Description
Technical field
The present invention relates to the technical fields of rudder paddle device, more particularly to a kind of full-rotating rudder paddle deep bracket surplus
The determination method of cutting line.
Background technique
The determination of full-rotating rudder paddle deep bracket surplus cutting line mainly uses total station under complicated linetype at present
Airborne Software is by way of establishing virtual plane.There are dead angles for this mode measurement, have biggish limitation to measurement position, and
And need continuous turn of station that could draw the point of a plane and be linked to be line, accumulated error is larger.Simultaneously this method there is also
Clearly disadvantageous below and defect:
1, total station, measuring tool bulky complex are needed.
2, measurement main body is external door, is influenced by external door personnel and work plan, timing node and result accuracy
It is disturbed, is easy to produce phenomenon of shift onto each other.
3, heavy workload is checked, needs to repeat the measurement work of full-rotating rudder paddle deep bracket surplus cutting line.
4, time of measuring is long, and time cost and cost of labor and instrument cost are higher
Summary of the invention
The object of the present invention is to provide a kind of determination method of full-rotating rudder paddle deep bracket surplus cutting line, measuring tools
Simply, and measurement cost of labor and time cost are lower, and check workload is less.
To solve the above-mentioned problems, the present invention provides a kind of determination side of full-rotating rudder paddle deep bracket surplus cutting line
Method includes the following steps:
S1: using the base plane of full-rotating rudder paddle as x/y plane, using the central point of rudder propeller substrate plane as origin,
Space coordinates are established as z-axis using the vertical line of rudder propeller substrate plane；
S2: full-rotating rudder paddle bottom sealing plate and full-rotating rudder paddle deep bracket are taken wherein in the position close to ship hull plate
Three intersection points, respectively B (x2, y2, Z2), C (x3, y3, Z3), D (x4, y4, Z4)；
S3: according to ship hull plate line style, the height coordinate value of scene directly 3 points of B, C, D of measurement is respectively Z2, Z3, Z4；
S4: in conjunction with full-rotating rudder paddle equipment data, the x coordinate value of 3 points of B, C, D of measurement is respectively in space coordinates
X2, x3 and x4, y-coordinate value are respectively y2, y3 and y4；
S5: on the basis of 3 points of B, C, D, the intersection point of full-rotating rudder paddle bottom sealing plate Yu full-rotating rudder paddle deep bracket is determined
The x coordinate value and y-coordinate value of Hn (En, Fn, Zn), Hn are measured in space coordinates by full-rotating rudder paddle equipment data, Hn
Height coordinate value pass through formula Zn=(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) (Z4-Z2)/(y4-y2)+Z4+Z3-
Z2 is determined；
S6: determine that two height coordinate values H1, H2 of every piece of deep bracket head and the tail two-end-point, H1 and H2 line are that should add
The surplus cutting line of strong bracket.
It is further preferred that successively carrying out label to each piece of deep bracket in above-mentioned steps S1.
It is further preferred that in above-mentioned steps S6, by the height coordinate of the deep bracket head and the tail two-end-point of corresponding label
Value H1 and H2 are recorded in the table.
It is further preferred that in above-mentioned steps S6, compare each deep bracket in table height coordinate value H1 and
H2 measures corresponding height difference line with tape measure and marks the position of cutting line on deep bracket.
It is further preferred that the cutting line position for compareing each deep bracket carries out surplus cutting.
The present invention provides a kind of determination method of full-rotating rudder paddle deep bracket surplus cutting line, with the base of full-rotating rudder paddle
Seat plane is x/y plane, using the central point of rudder propeller substrate plane as origin, with the vertical line of rudder propeller substrate plane
Space coordinates are established for z-axis, take full-rotating rudder paddle bottom sealing plate and full-rotating rudder paddle to reinforce in the position close to ship hull plate
Point B (x2, y2, Z2), C (x3, y3, Z3), D (x4, y4, Z4) on the basis of wherein three intersection points of bracket, according to formula Zn=
(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) (Z4-Z2)/(y4-y2)+Z4+Z3-Z2 determines full-rotating rudder paddle bottom sealing plate
With the intersection point Hn (En, Fn, Zn) of full-rotating rudder paddle deep bracket, wherein the x coordinate of the coordinate value of three datum marks and intersection point
Value and y-coordinate value can directly be changed with tape measure or measured in space coordinates according to equipment data by the scene
It calculates, the intersection of the deep bracket of bottom sealing plate and full-rotating rudder paddle can be regarded as being made of numerous point H.For same
Deep bracket, which connects the coordinate of head and the tail two o'clock, can be obtained full-rotating rudder paddle deep bracket surplus cutting line, and the present invention mentions
The surplus cutting line of confession determines that the measuring tool of method is simple, without using total station, and can be by this department personnel at any time
Manipulation, without being limited to external door, meanwhile, human cost and time cost can effectively be saved using this method, reduce check
Workload.
Detailed description of the invention
Fig. 1 is the structural schematic diagram before the full-rotating rudder paddle deep bracket in the embodiment of the present invention is not cut；
Fig. 2 is the structural schematic diagram after the full-rotating rudder paddle deep bracket cutting in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the full-rotating rudder paddle and the assembly of bottom sealing plate in the embodiment of the present invention；
Fig. 4 is 4 relative positions point A, B, C, D；
Fig. 5 is 5 relative positions point A, B, C, D, E.
In figure, 1, pedestal；2, flange；3, bottom sealing plate；4, deep bracket.
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.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "top", "bottom" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Full-rotating rudder paddle includes pedestal 1, and pedestal 1 is equipped with the flange 2 for connection, and the central axes of flange 2 and pedestal are flat
The vertical line in face is overlapped, deep bracket 4 along flange 2 periphery uniformly and arranged for interval.
In conjunction with shown in Fig. 1~5, a kind of full-rotating rudder paddle deep bracket surplus of the embodiment of the present invention is schematically showed
The determination method of cutting line, includes the following steps:
S1: using the base plane of full-rotating rudder paddle as x/y plane, using the central point of rudder propeller substrate plane as origin,
Space coordinates are established as z-axis using the vertical line of rudder propeller substrate plane；
S2: full-rotating rudder paddle bottom sealing plate and full-rotating rudder paddle deep bracket are taken wherein in the position close to ship hull plate
Three intersection points, respectively B (x2, y2, Z2), C (x3, y3, Z3), D (x4, y4, Z4)；
S3: according to ship hull plate line style, the height coordinate value of scene directly 3 points of B, C, D of measurement is respectively Z2, Z3, Z4；
S4: in conjunction with full-rotating rudder paddle equipment data, the x coordinate value of 3 points of B, C, D of measurement is respectively in space coordinates
X2, x3 and x4, y-coordinate value are respectively y2, y3 and y4；
S5: on the basis of 3 points of B, C, D, the intersection point of full-rotating rudder paddle bottom sealing plate Yu full-rotating rudder paddle deep bracket is determined
The x coordinate value and y-coordinate value of Hn (En, Fn, Zn), Hn are measured in space coordinates by full-rotating rudder paddle equipment data, Hn
Height coordinate value pass through formula Zn=(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) (Z4-Z2)/(y4-y2)+Z4+Z3-
Z2 is determined；
S6: determine that two height coordinate values H1, H2 of every piece of deep bracket head and the tail two-end-point, H1 and H2 line are that should add
The surplus cutting line of strong bracket.
In order to better understand the present invention, formula Zn=(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) is proved first
(Z4-Z2)/(y4-y2) reasonability of+Z4+Z3-Z2.(the representative meaning of each letter see below description)
Since bottom sealing plate area is little, its approximation can be regarded as one flat plate.It is now flat with the pedestal of full-rotating rudder paddle
Face is x/y plane, using the central point of rudder propeller substrate plane as origin, using the vertical line of rudder propeller substrate plane as z-axis
Establish space coordinates.Point A, B, C, D, H are the point on the sealing plate of full-rotating rudder paddle bottom, if A (x1, y1, z1)；B (x2, y2,
Z2)；C (x3, y3, Z3)；D (x4, y4, Z4)；H (x7, y7, z7).The subpoint of point A, B, C, D, H on x/y plane is respectively
A1,B1,C1,D1,H1.Enable point B, C, D, H on deep bracket, and 3 points of B, C, D close to ship hull plate, due to bottom sealing plate
Consistent with ship hull plate line style, bottom sealing plate connects with ship hull plate or similar point, can directly be measured by scene
To its height coordinate value, obtained so 3 points of B, C, D of height coordinate value live can directly measure.Now " to pass through x/y plane original
Point, and being parallel to straight line B1C1 " is x-axis.Y-axis selection is relatively simple, only need to be on x/y plane, and perpendicular to x-axis.It enables straight
Line A1C1 is parallel to y-axis, and A1D1 is parallel to x-axis.The x coordinate and y-coordinate of point B, C, D can pass through full-rotating rudder paddle equipment data
Measurement is read, and the directly measurement of z coordinate scene provides, and the coordinate value of such original point B, C, D just clearly get off.Our mesh
Mark is the coordinate by 3 points of point B, C, D, finds out point A coordinate, then by point A, B, C, then find out remaining deep bracket and bottom
The coordinate of intersection point H on sealing plate.
Step 1: finding out point A coordinate
See Fig. 4: A1D1//B1C1//x axis, A1C1//y axis, x1=x3=a, x2=b, y1=y4=c, y2=y3=d,
X4=k.Then point A (a, c, z1), B (b, d, Z2), C (a, d, Z3), D (k, c, Z4)
Due to the vertical x/y plane of DD1, the vertical x/y plane of BB1
According to the principle of " if two straight lines perpendicular to same plane, then this two straight line parallel "
DD1//BB1 can be obtained,
And A1D1//B1C1, and A1D1 and DD1 meet at point D1, B1C1 and BB1 and meet at point B1
According to " if two intersecting straight lines are parallel with two intersecting straight lines in another plane in a plane, then the two are flat
Face is parallel " principle,
Plane ADD1//plane CBB1 can be obtained
And 4 points of A, B, C, D belong to plane ABCD, plane ABCD and plane ADD1 and meet on straight line AD, plane ABCD and flat
Face CBB1 is met on straight line BC
According to the principle of " two parallel planes are parallel with the intersection of third plane ",
AD//BC can be obtained；
It crosses point A and makees straight line AD2 and meet at point D2 perpendicular to straight line DD1,
It crosses point C and makees straight line CB2 and meet at B2 perpendicular to straight line BB1,
And DD2, on straight line DD1, BB2 is on straight line BB1, and straight line DD1//BB1
So straight line BB2//DD2
And AD//CB
According to " if the bevel edge and a right-angle side of right angled triangle respectively with the bevel edge of another right angled triangle and one
Right-angle side is parallel, then the two right angled triangles are parallel " principle, can obtain
Right angled triangle ADD2 is similar to right angled triangle CBB2
So AD2/CB2=DD2/BB2
That is (x4-x1)/(x2-x3)=(Z4-Z1)/(z2-z3)=(b-a)/(b-a)=1
So Z1=Z4+Z3-Z2
Then point A (a, c, z4+z3-z2)
Step 2: finding out point H coordinate
See that Fig. 5: A1C1//y axis, B1C1//X axis, point H are any intersection point of bottom sealing plate and deep bracket.
On plane ABCH, make auxiliary magnet E and F, point A, E, F three point on a straight line crosses point E and F toward x/y plane and makees vertical line respectively
EE1 and FF1 meets at plane xy in point E1 and F1,
A1E1//A1F1//B1C1, A1C1//B1E1//H1F1 are enabled,
If E (x5, y5, z5), F (x6, y6, z6),
Then x1=x3=a, x2=x5=b, y1=y4=y5=y6=c, y2=y3=d, x4=k, x6=x7=e, y7
=f
It crosses point A and makees straight line AF2 perpendicular to straight line FF1, hand over straight line EE1 and FF1 in point E2 and F2 respectively,
Due to the angle angle LEAE2=LFAF2, LAF2F=90 ° of the angle angle LAE2E=
According to the principle of " if triangle two corners are equal with another triangle two corners, then the two triangles are similar "
It is similar to right angled triangle AFF2 that right angled triangle AEE2 can be obtained
So AE2/AF2=EE2/FF2
(x5-x1)/(x6-x1)=(Z5-Z1)/(Z6-Z1) is 1.
Since FF1 is perpendicular to x/y plane, AA1 perpendicular to x/y plane,
According to the principle of " if two are directly perpendicular to same plane, then this two straight line parallel "
FF1//AA1 can be obtained
And A1C1//H1F1, H1F1 and FF1 meet at point F1, A1C1 and AA1 and meet at point A1
According to " if two intersecting straight lines are parallel with two intersecting straight lines of another plane in a plane, then the two planes
Principle in parallel ",
Plane HH1F//plane AA1C can be obtained
And point A, B, C, F, H be on plane ABCH, plane ABCH and plane HH1F are met on straight line FH, plane ABCH and flat
Face AA1C is met on straight line AC
According to the principle of " two parallel planes are parallel with the intersection of third plane ",
AC//FH can be obtained
It crosses point H and makees vertical line HH2 and hand over straight line FF1 in point H2, cross point C and make vertical line CA2 friendship straight line AA1 in point A2,
And FH2, on straight line FF1, AA2 is on straight line AA1, FF1//AA1
AA2//FH2 can be obtained
And AC//FH
According to " if the bevel edge and a right-angle side of right angled triangle respectively with the bevel edge of another right angled triangle and one
Right-angle side is parallel, then the two right angled triangles are parallel " principle,
Right angled triangle HH2F can be obtained and be similar to right angled triangle CA2A
HH2/CA2=FH2/AA2
That is (y6-y7)/(y1-y3)=(z6-z7)/(z1-Z3) is 2.
Since EE1 is perpendicular to x/y plane, BB1 is perpendicular to x/y plane
According to the principle of " if two are directly perpendicular to same plane, then this two straight line parallel "
So EE1//BB1
And A1E1//B1C1, and A1E1 and EE1 meet at point E1, B1C1 and BB1 and meet at point B1
According to " if two intersecting straight lines are parallel with two intersecting straight lines in another plane in a plane, then the two are flat
Face is parallel " principle,
Plane AEE1//plane CBB1 can be obtained
And 4 points of A, B, C, E belong to plane ABCE, plane ABCE and plane AEE1 and meet on straight line AE, plane ABCE and flat
Face CBB1 is met on straight line BC
According to the principle of " two parallel planes are parallel with the intersection of third plane ",
AE//BC can be obtained
And EE2, on straight line EE1, BB2 is on straight line BB1, and straight line DD1//BB1
So straight line BB2//EE2
And AE//CB
According to " if the bevel edge and a right-angle side of right angled triangle respectively with the bevel edge of another right angled triangle and one
Right-angle side is parallel, then the two right angled triangles are parallel " principle, can obtain
Right angled triangle ADD2 is similar to right angled triangle CBB2
So AE2/CB2=EE2/BB2
That is (x5-x1)/(x2-x3)=(z5-z1)/(z2-z3)=(b-a)/(b-a)=1 is 3.
It 1., 2. and is 3. obtained according to formula
Z7=(Z2-Z3) (x6-x1)/(x5-x1)+(y6-y7) (z1-Z3)/(y1-y3)+z1 is 4.
=((Z2-Z3) (e-a)/(b-a)+(c-f) (z1-Z3)/(c-d)+z1
And then it can release: Zn=(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) (Z4-Z2)/(y4-y2)+Z4+Z3-Z2
Secondly, we are according to formula Zn=(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) (Z4-Z2)/(y4-y2)+Z4
+ Z3-Z2 formulates table, is shown in Table one.In conjunction with coordinate system, the x coordinate and y-coordinate (both En coordinate and Fn coordinate) of point Hn can root
It directly measures and obtains according to the equipment data of full-rotating rudder paddle.Then the x coordinate of point Hn and y-coordinate can be obtained for people's formula
The height value Zn of Hn coordinate.
It is specifically, provided in this embodiment that a kind of determination method of full-rotating rudder paddle deep bracket surplus cutting line is provided,
Using the base plane of full-rotating rudder paddle as x/y plane, using the central point of rudder propeller substrate plane as origin, with full-rotating rudder
The vertical line of paddle base plane is that z-axis establishes space coordinates, takes full-rotating rudder paddle bottom sealing plate in the position close to ship hull plate
With point B (x2, y2, Z2) on the basis of wherein three intersection points of full-rotating rudder paddle deep bracket, C (x3, y3, Z3), D (x4, y4,
Z4), determined according to formula Zn=(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) (Z4-Z2)/(y4-y2)+Z4+Z3-Z2 complete
The intersection point Hn (En, Fn, Zn) for turning round rudder paddle bottom sealing plate and full-rotating rudder paddle deep bracket, wherein the coordinate value of three datum marks
And the x coordinate value and y-coordinate value of intersection point can be by the scene directly with tape measure or according to equipment data in spaces
It measures and converts in coordinate system, the intersection of the deep bracket of bottom sealing plate and full-rotating rudder paddle can be regarded as by numerous point H group
At.Same deep bracket, which is connected the coordinate of head and the tail two o'clock, can be obtained full-rotating rudder paddle deep bracket surplus and cuts
Secant, surplus cutting line provided by the invention determine that the measuring tool of method is simple, without using total station, and can be by this
Departmental staff manipulates at any time, without being limited to external door, meanwhile, using this method can effectively save human cost and time at
This, reduces check workload.
Further, in above-mentioned steps S1, label is carried out to each piece of deep bracket, successively so as to can be to each reinforcement elbow
Plate is effectively distinguished, and working efficiency is improved, and reduces cutting error.
Preferably, in above-mentioned steps S6, will corresponding label deep bracket head and the tail two-end-point height coordinate value H1 and
H2 is recorded in the table, by records of values by way of table, in order to self-test or he examine, so as to which error is effectively reduced,
Reduce check workload.
Further, in above-mentioned steps S6, the height coordinate value H1 and H2 of each deep bracket in table are compareed,
Corresponding height difference line is measured with tape measure and marks the position of cutting line on deep bracket, then compares each deep bracket
Cutting line position carry out deep bracket surplus cutting, bottom sealing plate is assembled on full-rotating rudder paddle after the completion of cutting,
Need to consider the thickness of deep bracket itself when cutting.
Show that full-rotating rudder paddle deep bracket and each intersection coordinate value of bottom sealing plate are as follows according to above-mentioned steps S1~S6:
In conclusion surplus cutting line provided by the invention determines that the measuring tool of method is simple, without using total station,
And can be manipulated at any time by this department personnel, without being limited to external door, meanwhile, manpower can effectively be saved using this method
Cost and time cost reduce check workload.
It should be understood that various information are described in the present invention using term " first ", " second " etc., but these information
It should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from the present invention
In the case where range, " first " information can also be referred to as " second " information, and similar, " second " information can also be referred to as
" first " information.
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 (5)
1. a kind of determination method of full-rotating rudder paddle deep bracket surplus cutting line, which comprises the steps of:
S1: using the base plane of full-rotating rudder paddle as x/y plane, using the central point of rudder propeller substrate plane as origin, with complete
The vertical line of revolution rudder paddle base plane is that z-axis establishes space coordinates；
S2: wherein three of full-rotating rudder paddle bottom sealing plate and full-rotating rudder paddle deep bracket are taken in the position close to ship hull plate
Intersection point, respectively B (x2, y2, Z2), C (x3, y3, Z3), D (x4, y4, Z4)；
S3: according to ship hull plate line style, the height coordinate value of scene directly 3 points of B, C, D of measurement is respectively Z2, Z3, Z4；
S4: in conjunction with full-rotating rudder paddle equipment data, the x coordinate value that 3 points of B, C, D are measured in space coordinates is respectively x2, x3
And x4, y-coordinate value are respectively y2, y3 and y4；
S5: on the basis of 3 points of B, C, D, the intersection point Hn of full-rotating rudder paddle bottom sealing plate Yu full-rotating rudder paddle deep bracket is determined
(En, Fn, Zn), the x coordinate value and y-coordinate value of Hn are measured in space coordinates by full-rotating rudder paddle equipment data, Hn's
Height coordinate value passes through formula Zn=(Z2-Z3) (En-x3)/(x2-x3)+(y4-Fn) (Z4-Z2)/(y4-y2)+Z4+Z3-Z2
It determines；
S6: determine that two height coordinate values H1, H2 of every piece of deep bracket head and the tail two-end-point, H1 and H2 line are the reinforcement elbow
The surplus cutting line of plate.
2. the determination method of full-rotating rudder paddle deep bracket surplus cutting line as described in claim 1, which is characterized in that upper
It states in step S1, label is successively carried out to each piece of deep bracket.
3. the determination method of full-rotating rudder paddle deep bracket surplus cutting line as claimed in claim 2, which is characterized in that upper
It states in step S6, in the table by height coordinate value H1 and the H2 record of the deep bracket head and the tail two-end-point of corresponding label.
4. the determination method of full-rotating rudder paddle deep bracket surplus cutting line as claimed in claim 3, which is characterized in that upper
It states in step S6, compares the height coordinate value H1 and H2 of each deep bracket in table, measure corresponding height difference with tape measure
Line and the position that cutting line is marked on deep bracket.
5. the determination method of full-rotating rudder paddle deep bracket surplus cutting line as claimed in claim 4, which is characterized in that control
The cutting line position of each deep bracket carries out surplus cutting.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498049A (en) * | 2020-04-10 | 2020-08-07 | 中船澄西扬州船舶有限公司 | Mounting method of energy-saving stator |
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