CN110006304A - The measurement method of node deviation measuring instrument, its production method and node deviation - Google Patents
The measurement method of node deviation measuring instrument, its production method and node deviation Download PDFInfo
- Publication number
- CN110006304A CN110006304A CN201910295651.0A CN201910295651A CN110006304A CN 110006304 A CN110006304 A CN 110006304A CN 201910295651 A CN201910295651 A CN 201910295651A CN 110006304 A CN110006304 A CN 110006304A
- Authority
- CN
- China
- Prior art keywords
- plate
- measuring instrument
- cruciform joint
- intermediate plate
- node deviation
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses the measurement methods of a kind of node deviation measuring instrument, its production method and node deviation, node deviation measuring instrument is used to measure the deviation of cruciform joint, cruciform joint has the first plate, the second plate and intermediate plate, intermediate plate has the practical reference line of the first plate relative position of mark towards the surface of the second plate, node deviation measuring instrument includes: benchmark edge, and benchmark edge is positioned at the surface of the intermediate plate of cruciform joint；Datum mark, datum mark are located at benchmark edge, and datum mark indirect addressing is in the intermediate plate of cruciform joint and the surface intersection point of the first plate；Edge is measured, measurement edge is parallel with the surface of the second plate of cruciform joint.The node deviation measuring instrument is by the datum mark on benchmark edge to realize the indirect addressing with the first plate, position the node deviation measuring instrument can also relative to the first plate and third plate of cruciform joint in the case where not contacting directly with the first plate, the case where solution is consecutive hours in intermediate plate, and node deviation measuring instrument is not available.
Description
Technical field
The present invention relates to shipbuilding field, in particular to a kind of node deviation measuring instrument, its production method and node are inclined
The measurement method of difference.
Background technique
In entire Ship Structure construction, by largely (also referred to as being saved by the cruciform joint that three blocks of upper, middle and lower steel plate forms
Point), if these cruciform joints are located at the key area or key position of hull, when that three blocks of steel plates assemble, center line
Centering situation must be tightly controlled.
As shown in Figure 1, three pieces of plate (P of cruciform joint 101、P2、P3) center line L when intersecting at a point, be more advantageous to
The natural transmitting of power, stress caused by reducing structure discontinuously is concentrated, so as to reduce structural failure risk at node.
It in the practical manufacturing process of hull, detects, uses in order to the deviation situation at the scene to cruciform joint
Be the node deviation measuring instrument with three true edges, by the way that two of them true edge is successively resisted against the two of cruciform joint
The surface of block plate judges whether the cruciform joint accords with further according to the actual range on Article 3 true edge and the surface of another block of plate
It closes and requires.
However, even if the cruciform joint of different location, there is also difference changes for the thickness of three blocks of plates in same hull interior
Change.Therefore, for the cruciform joint of different plate thickness, it is necessary to make corresponding node deviation measuring instrument, node deviation is caused to be surveyed
The quantity for measuring instrument is various, so that not having versatility to the difficult management of node deviation measuring instrument.
Specifically, as shown in Fig. 2, by taking the cruciform joint 10 of cargo area flute profile transverse bulkhead bottom Dun Xiebanchu as an example, the
Three plate P3(i.e. intermediate plate) is continuous state, and therefore, the conventional node deviation measuring instrument made of three true edges can not be right
Three pieces of plate surfaces of this cruciform joint carry out positioning measurement.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome in the prior art node deviation measuring instrument be unable to measure centre
Plate is the cruciform joint of continuous state, and the defect for causing node deviation measuring instrument versatility poor provides a kind of node deviation
The measurement method of measuring instrument, its production method and node deviation.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of node deviation measuring instrument, is used to measure the deviation of cruciform joint, and the cruciform joint has the first plate, the
Two plates and intermediate plate, the intermediate plate have the practical ginseng of mark first plate relative position towards the surface of second plate
Line is examined, the node deviation measuring instrument includes:
Benchmark edge, the benchmark edge are positioned at the surface of the intermediate plate of the cruciform joint；
Datum mark, the datum mark are located at the benchmark edge, and the datum mark indirect addressing is in the cruciform joint
Between plate and the first plate surface intersection point；
Edge is measured, the measurement edge is parallel with the surface of the second plate of the cruciform joint.
The node deviation measuring instrument by be located at benchmark edge on datum mark with realize with the indirect addressing of the first plate, make this
Node deviation measuring instrument also can be relative to the first plate and third of cruciform joint in the case where not contacting directly with the first plate
Plate (intermediate plate) is positioned, and is bonded by two true edges with two boards surface as consecutive hours in third plate to solve, is another
The true edge mode parallel with another piece of plate surface is not available with the node deviation measuring instrument for realizing positioning, leads to this structure
More special cruciform joint, which can not rely on, has the case where node deviation measuring instrument of three true edges measures.
A kind of production method of node deviation measuring instrument is used to make institute as above in the intermediate plate consecutive hours of cruciform joint
The node deviation measuring instrument stated, the production method of the node deviation measuring instrument the following steps are included:
S1, assume that the median plane of three blocks of plates of the cruciform joint intersects at a line, with one perpendicular to the line
Plane cuts three blocks of plates of the cruciform joint, using gained section as the design basis of measuring instrument；
S2,1 initial reference point is set in a side surface of intermediate plate the first plate of direction of the cruciform joint, it is described first
The spacing of surface intersection point of the beginning reference point away from the first plate and intermediate plate is set distance E；
S3, another side surface that the initial reference point is mapped to intermediate plate along the plate thickness direction of intermediate plate, to be formed
Practical reference point；
S4, by the center line of the center line of the first plate, the center line of the second plate and intermediate plate as a whole, along the first plate
Centerline direction is mobile, is overlapped the center line of intermediate plate with the practical reference point；
S5, by the center line of the center line of the first plate, the center line of the second plate and intermediate plate as a whole, along intermediate plate
Centerline direction is mobile, is overlapped the center line of the first plate and the surface of the first plate；
S6, keep the center line of the second plate parallel with the measurement edge of the node deviation measuring instrument, make intermediate plate towards second
The surface of plate is overlapped with the benchmark edge of the node deviation measuring instrument, makes the practical reference point and the node deviation measuring instrument
Datum mark be overlapped, to make the node deviation measuring instrument, in the measurement edge and the second plate of the node deviation measuring instrument
The spacing of heart line is the center line of the second plate by the sum of step S4 and the S5 distance moved twice and additional distance c.
By way of translating the center line of three blocks of plates of cruciform joint, to be formed
Preferably, the additional distance c is greater than or equal to 0.
Preferably, the additional distance c is less than or equal to a half thickness of most slab in the cruciform joint.
Preferably, the range of the set distance E is 50mm~200mm.
A kind of measurement method of node deviation uses node deviation measuring instrument as described above, the node deviation
Measurement method the following steps are included:
S1, the position according to the first plate with respect to intermediate plate, the surface setting reality in intermediate plate towards the second plate side are joined
Examine line；
S2, the benchmark edge of node deviation measuring instrument is resisted against the cruciform joint intermediate plate surface, by the section
The datum mark of point deviation measuring apparatus is aligned in the practical reference line, the side of measurement measurement edge and the second plate of the cruciform joint
The actual range a of edge；
S3, the measurement additional distance c of edge for obtaining node deviation measuring instrument, the cruciform joint the first plate thickness
t1, the second plate thickness t2, intermediate plate thickness t3, the angle β of the first plate and intermediate plate and the angle theta of the second plate and intermediate plate,
And calculate the datum drift a of the second plate2, the datum drift a2Calculation formula are as follows:
In formula: k is form factor, if intermediate plate is continuous, k=1；If intermediate plate is discontinuous, k=0；
S4, according to the datum drift a2With the actual range a, the deviation situation of the cruciform joint is judged.
No matter the mutual angle between Suo Celiang cruciform joint how much, no matter also intermediate plate is interruption or even
It is continuous, as long as in up and down three pieces of board groups at cruciform joint, above-mentioned measurement method and calculation formula can be used to carry out inclined
The calculating of difference, so that the versatility measured using node deviation of the node deviation measuring instrument to cruciform joint is improved,
The calculation formula for no longer needing separately to derive datum drift value eliminates and derives the time, also avoids deriving because of different people
Different formula causes the difficulty in understanding.
Preferably, in step s 4: by allowing maximum deviation a2maxWith permission minimum deflection a2minJudge the cross joint
The deviation situation of head,
The permission maximum deviation a2maxCalculation formula are as follows:
The permission minimum deflection a2minCalculation formula are as follows:
Preferably, the practical reference line of the cruciform joint maps back to another side along the intermediate plate of the cruciform joint
Afterwards, it is set distance E with the spacing of first plate of cruciform joint and the surface intersection line of intermediate plate, further includes following in step S1
Step:
S01, it is set in a side surface of intermediate plate towards the first plate of cruciform joint along the length direction of the cruciform joint
Set an initial reference line, the spacing of the surface intersection line of first plate of initial reference line-spacing and intermediate plate is the set distance E；
S02, by the initial reference line along intermediate plate the backwash of plate thickness direction to another side surface of intermediate plate, to be formed
Practical reference line.
The positive effect of the present invention is that:
In the measurement method of the node deviation measuring instrument, its production method and node deviation, the node deviation measuring instrument is logical
The datum mark crossed on benchmark edge to realize the indirect addressing with the first plate, make the node deviation measuring instrument not with the first plate
It directly can also be positioned relative to the first plate and third plate of cruciform joint in the case where contact, to solve in third plate
(intermediate plate) is consecutive hours, is not available, is led with the node deviation measuring instrument for realizing positioning by the mode being bonded with plate surface
The case where cruciform joint for causing this structure more special can not be measured by node deviation measuring instrument.
On this basis, a kind of measurement method of general node deviation is provided, no matter between Suo Celiang cruciform joint
Mutual angle how much, no matter also intermediate plate is interruption or continuous, as long as in up and down three pieces of board groups at cross
Connector above-mentioned measurement method and calculation formula can be used to carry out the measuring and calculating of deviation, be surveyed to improve using node deviation
The versatility that amount instrument measures the node deviation of cruciform joint, the calculating for also no longer needing separately to derive datum drift value are public
Formula eliminates and derives the time, also avoids the difficulty on understanding caused by deriving different formula because of different people.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (one) of the cruciform joint of the prior art.
Fig. 2 is the structural schematic diagram (two) of the cruciform joint of the prior art.
Fig. 3 is the structural schematic diagram of flute profile transverse bulkhead and bottom pier of the invention.
Fig. 4 is the cruciform joint Z of the embodiment of the present invention 11Floor map.
Fig. 5 is the cruciform joint Z of the embodiment of the present invention 11First time move integrally schematic diagram.
Fig. 6 is the cruciform joint Z of the embodiment of the present invention 11Second of overall movement schematic diagram.
Fig. 7 is the cruciform joint Z of the embodiment of the present invention 12Second of overall movement schematic diagram.
Fig. 8 is the cruciform joint Z of the embodiment of the present invention 12Node deviation instrumentation plan (one).
Fig. 9 is the cruciform joint Z of the embodiment of the present invention 12Node deviation instrumentation plan (two).
Figure 10 is the schematic diagram of manufacturing method of the node deviation measuring instrument of the embodiment of the present invention 2.
Figure 11 is the structural schematic diagram of the node deviation measuring instrument of the embodiment of the present invention 2.
Figure 12 is the floor map of the cruciform joint Z of the embodiment of the present invention 3.
Figure 13 is the schematic diagram of manufacturing method of the node deviation measuring instrument of the embodiment of the present invention 3.
The prior art
Cruciform joint 10
Center line L
The present invention
Node deviation measuring instrument 20
First benchmark edge 201
Second benchmark edge 202
Benchmark edge 21
Datum mark 22
Measure edge 23
Cruciform joint Z, Z1、Z2、Z3、Z4
The thickness t of first plate1, center line L1
The thickness t of second plate2, center line L2
The thickness t of third plate3, center line L3
Set distance E, additional distance c
Initial reference point D0, practical reference point D1
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
As shown in figure 3, below with multiple cruciform joint (Z in certain 210,000 tons of cargo cabin of bulk cargo ship area1、Z2、Z3、Z4) for,
In the present embodiment, first with intermediate plate (third plate) discontinuous cruciform joint Z1As research object.
Step 1: for convenience of observing, by node Z1Amplification, and indicate the first plate, the second plate and third plate center line and
Ipsilateral angle between them, i.e. the first plate and the angle β of third plate and the angle theta of the second plate and third plate, it is assumed that they
Center line intersects at a point, and sees Fig. 4.
Step 2: by three pieces of plate center lines intersect at a point when state on the basis of, using its intersection point as basic point, by they
Center line L of the center line Integral synchronous along the first plate1It moves down, and makes the center line L of third plate3It is overlapped, sees with its lower edge
Fig. 5.
Step 3: calculating the center line L of the second plate after movement in Fig. 5 according to formula (1)2M1With former center line L2Between
Distance a21.Wherein, t3For the thickness of third plate.
Step 4: on the basis of second step, then by the center line Integral synchronous of three blocks of plates along the lower edge of third plate
It is moved to the left, and makes the center line L of the first plate1It is overlapped with its left edge, sees Fig. 6.
Step 5: calculating the center line L of the second plate after moving integrally for the first time in Fig. 6 according to formula (2)2M1With second
The center line L of the second plate after secondary overall movement2M2The distance between a22.Wherein, t1For the thickness of the first plate.
Step 6: being calculated in Fig. 6 after second moves integrally according to formula (3), the center line L of the second plate2M2With second
The distance between left edge of plate a2, it obtains:
It similarly, can also be according to above-mentioned formula (3) to calculate the node Z in Fig. 32Plate center line pass through secondary shifting
After dynamic, the center line L of the second plate2M2The distance between the left edge of second plate a2, as shown in Figure 7.
Step 7: on the basis of the datum drift formula being had calculated that by formula (3), further according to IACS (international ship's classification
Sociology meeting) formulate " oil carrier and bulk freighter Common performance condition " regulation, be exactly between the plate center line intersection point of cruciform joint
Deviation a cannot be greater than the reckling of 1/3 and 5mm of minimum plate thickness in three blocks of plates, it may be assumed that-min (t1/ 3, t2/ 3, t3/ 3,5)≤a
≤min(t1/ 3, t2/ 3, t3/ 3,5) maximum value and minimum value formula (4) of plate center line intersection point deviation can be obtained in regulation
With formula (5):
Allow maximum deviation:
Allow minimum deflection:
Step 8: with the node Z in Fig. 32For, after second moves integrally, with the position of center line of three blocks of plates
On the basis of (referring to figs. 7 and 8), to make node deviation measuring instrument 20.The node deviation measuring instrument 20 has the first benchmark edge
201, the second benchmark edge 202 and measurement edge 23, to respectively correspond the surface of three blocks of plates of cruciform joint, 201 He of the first benchmark edge
Right hand edge of the second benchmark edge 202 respectively with the lower edge of third plate and the second plate is close to, measurement edge 23 and second of whole shifting
The center line of the second plate after dynamic is overlapped, and later, in the actual measurement work to cruciform joint, measuring tool can be used,
Such as tape measure etc. measures actual a2Value, wherein specific measurement method can be found in Fig. 8.
Step 9: the second plate center line L after being moved integrally in view of second2M2Right hand edge with the second plate may
It gets too close to, the measurement of node deviation measuring instrument 20 is caused to get up to read inconvenience；It is also contemplated that it is possible that negative when minimum value
The case where value causes and is unable to measure, for this purpose, edge 23 can be measured to separate second plate for the deviation measuring apparatus that made above
A certain distance is moved in direction again, which generally can be taken as 0~15mm, but is not necessarily larger than in the identical all nodes of angle most
One half thickness of slab, see in Fig. 9 additional distance c (.Because introducing additional distance c, formula (3), formula (4) and public affairs
The calculation formula of formula (5) deviation a reference value calculated, maximum value and minimum value is corresponding to be changed are as follows:
Datum drift:
Allow maximum deviation:
Allow minimum deflection:
Embodiment 2
For cruciform joint Z shown in Fig. 33And Z4, due to its third plate (intermediate plate) be it is continuous, can not be again
Utilize the right hand edge of the first plate of cruciform joint as shown in Figure 8 and the lower edge stationary nodes deviation measuring apparatus 20 of third plate.
As shown in Figure 10, with cruciform joint Z in the present embodiment4For.In this case, (intermediate using third plate
Plate) upper surface to measure.However, this location condition of the upper surface of only third plate is cannot to survey to node deviation
Amount instrument 20 is positioned completely, therefore, it is necessary to look for a location condition.
In the present embodiment, for such node, one and the first plate and third can be drawn on the lower surface of third plate
Initial reference point D of the plate surface intersection point at a distance of certain set distance E0, the preferred scope of set distance E is in 50mm~200mm
Between, for example, in the present embodiment be 100mm, so both will not it is too long will not be too short.It later, will along the plate thickness direction of third plate
Initial reference point D0It is mapped on the upper surface of third plate, to form practical reference point D1.In addition, the section in order to make subsequent production
Point deviation measuring apparatus 20 can be with above-mentioned practical reference point D1It is corresponding, point A can be found on the center line of third plate, make A away from
The distance of the center line intersection point of three blocks of plates is equal to the setting value (such as 100mm) of above-mentioned reference point.
Later, as a whole by the center line of three blocks of plates and A point, on the basis of its intersection point, along the center of the first plate
Line L1Direction is mobile, makes the center line L of third plate3It is overlapped with the upper surface of third plate.
After again, the upper surface along third plate moves right, and makes the center line L of the first plate1It is overlapped with the right hand edge of the first plate.
After second mobile, point A just reaches practical reference point D1Position.With three blocks of plates shown in Fig. 10
Center line position, and (being overlapped with point A) practical reference point D1On the basis of, make node deviation measuring instrument 20.
Specifically, it is located at L after the center line of the second plate is mobile at second2M2Position, the measurement edge with node deviation measuring instrument 20
23 parallel or coincidences, and the benchmark edge 21 of node deviation measuring instrument 20 is then overlapped with the top edge of third plate, is set on benchmark edge 21
There is datum mark 22, the datum mark 22 is in alignment with practical reference point D1, survey node deviation using benchmark edge 21 and datum mark 22
Instrument 20 is measured in the case where not contacting directly with the first plate, it is fixed also to realize relative to the first plate and third plate of cruciform joint
Position, to solve to realize the node of positioning by the mode being bonded with three pieces of plate surfaces at third plate (intermediate plate) for consecutive hours
Deviation measuring apparatus 20 is not available, and the cruciform joint for causing this structure more special can not be carried out by node deviation measuring instrument 20
The case where measurement, occurs.
Wherein, the center line L of the measurement edge 23 and the second plate of the node deviation measuring instrument 202M2Between spacing can also be such as
0~15mm is taken described in embodiment 1, but is not necessarily larger than a half thickness of most slab in the identical all nodes of angle, as
Additional distance c marked in Figure 10.
In the present embodiment, the lower surface of third plate is structural plane (i.e. the plate face of mounting structure), and relatively, upper surface is
Non-structural face (not mounting structure or the less plate face of structure), can facilitate the benchmark edge 21 of node deviation measuring instrument 20 to be close to.
It as shown in figure 11, is the structural schematic diagram of node deviation measuring instrument 20, which includes base
Quasi- edge 21, datum mark 22 and measurement edge 23.Wherein, benchmark edge 21 is positioned at the surface of the intermediate plate of cruciform joint, datum mark
22 are arranged on benchmark edge 21, and the datum mark 22 can be determined with the intermediate plate of cruciform joint and the surface intersection point of the first plate
Position, needs to illustrate, is positioned as indirect addressing between datum mark 22 and above-mentioned intersection point, that is, relies on the table of intermediate plate
Iso-surface patch auxiliary line relevant to the position of above-mentioned intersection point is realized.By taking the present embodiment as an example, the datum mark 22 be by with
Practical reference point D1The mode being directly aligned, to realize the function with the surface intersection point indirect addressing of intermediate plate and the first plate.
The node deviation measuring instrument 20 realizes the indirect addressing with the first plate by the datum mark 22 being located on benchmark edge 21,
Enable the node deviation measuring instrument 20 in the case where not contacting directly with the first plate, it also can be relative to the of cruciform joint
One plate and third plate realize positioning, to solve at third plate (intermediate plate) for consecutive hours, by the side being bonded with three pieces of plate surfaces
Formula is not available with the node deviation measuring instrument 20 for realizing positioning, and the cruciform joint for causing this structure more special can not be by section
The case where point deviation measuring apparatus 20 measures.
In addition, the present embodiment also provides a kind of measurement method of node deviation, above-mentioned node deviation measuring instrument is utilized
20, with the deviation situation of the measurement cruciform joint in the continuous situation of the third edition (intermediate plate), specifically can comprise the following steps that
Firstly, the position according to the first plate of cruciform joint relative to third plate, in third plate toward the second plate side
Surface practical reference line is set；
Later, the benchmark edge 21 of node deviation measuring instrument 20 is resisted against to the surface of the third plate of cruciform joint, wherein section
The datum mark 22 of point deviation measuring apparatus 20 is aligned in practical reference line, and measures its second plate for measuring edge 23 and cruciform joint
The actual range a at edge；
After again, according to the thickness of the first plate of additional distance c, cruciform joint between measurement edge 23 and the center line of the second plate
Spend t1, the second plate thickness t2, third plate thickness t3, the first plate and the angle β of third plate and the angle of the second plate and third plate
θ calculates the datum drift a of the second plate2, datum drift a2Calculation formula it is as follows:
Datum drift:
Alternatively, it is also possible to according to the formula (4) and formula (5) in embodiment 1, it is in continuous situation to obtain third plate,
The maximum value and minimum value of plate center line intersection point deviation:
Allow maximum deviation:
Allow minimum deflection:
Finally, datum drift a2Or further it will allow maximum deviation a with actual range a2maxIt is minimum partially with permission
Poor a2minIt is compared with actual range a, to judge the deviation situation of the cruciform joint.
In addition, the surface setting reality in third plate towards the second plate side refers in the measurement method of the node deviation
Line may particularly include following steps:
The first step is set in a side surface of third plate towards the first plate of cruciform joint along the length direction of the cruciform joint
Set an initial reference line.The set distance E of the surface intersection point of first plate of initial reference line-spacing and third plate, with drawn in Figure 10
Initial reference point D processed0The spacing of Shi Suoding is corresponding.
Second step, by the initial reference line along third plate plate thickness direction backwash (being mapped to reverse side corresponding position) extremely
Another side surface of third plate, to form practical reference line.The practical reference line is for inclined for node when measuring cruciform joint
The datum mark 22 of difference measuring instrument 20, which is aligned, to be used.
Embodiment 3
In the head and the tail cargo hold of bulk freighter, by the rib-shaped in end bracket and bottom side tank under bottom side tank inclined plate, outside plate rib cage
At key node it is more special, such as Figure 12.The third plate (intermediate plate) of the cruciform joint of this key is also continuous, but the
The center line L of one plate1With the center line L of the second plate2It is completely coincident, but the center line L with third plate3It is all oblique.For this
The crucial cruciform joint of kind, it is also necessary to deviation measurement is carried out in the way of reference line.
First production has the node deviation measuring instrument 20 of datum mark 22 herein, and production method provides big with embodiment 2
It causes identical:
First, it is assumed that the median plane of three blocks of plates of cruciform joint intersects at a line, with one perpendicular to the flat of the line
Three blocks of plates of the cruciform joint are cut in face, using gained section as the design basis of measuring instrument.
Later, an initial reference point D is drawn in the lower surface of the third plate for the cruciform joint for forming design basis0, should
Initial reference point is away from D0First plate is L at a distance from the intersection of third plate, then by initial reference point D0Along the thickness of third plate
Direction is mapped on the upper surface of third plate.In addition, in the center line L of third plate3On find distance be L position, and make on
It marks (point A), as a whole with point A by the center line of three blocks of plates, using three pieces of plate center line intersection points as basic point, first along first
The center line L of plate1It moves up, makes the center line L of third plate3It is overlapped with the upper surface of third plate, then again along third plate
Heart line L3It is moved to the left, makes the center line L of the first plate1It is overlapped with the left surface of the first plate, at this point, the content according to Figure 12 can
With discovery, after secondary overall movement twice, A point is first moved to A1Position, then it is moved to A2Position, but these positions are not
It can be with the practical reference point D on third plate upper surface1It coincides.
Therefore, specifically referring to Figure 13, on the basis of above-mentioned steps, then by three blocks of plates after secondary overall movement
Center line and point A as a whole, synchronization is moved to the left along the upper surface of third plate, can just make the point A and the after moving
Practical reference line on three plate upper surfaces is overlapped.At this point, the center line L of the second plate2M2It has been moved to the left distance d again, has had
Body calculation is d=t3cosβsinθ/sinβ。
Here, the relative position of the second plate and the center line of third plate does not change due to the mobile front and back of third time, because
This in embodiment 2 still in a manner of providing, after being moved integrally with second, the center line of the second plate and third plate and
Practical reference point D1On the basis of, make corresponding node deviation measuring instrument 20.
For convenience of measurement, measurement edge 23 is equally displaced outwardly certain additional distance c, the distance is general to can be taken as 0~
15mm, but it is not necessarily larger than a half thickness of most slab in the identical all nodes of angle.It can be obtained by datum drift a in this way2,
As shown in figure 13.And then datum drift can be obtained, allow maximum deviation and allow minimum deflection calculation formula, it is specific as follows:
Datum drift:
Allow maximum deviation:
Allow minimum deflection:
In addition, the cruciform joint special for this structure, the method and step phase that measurement method is provided with embodiment 2
Together, therefore details are not described herein.
Embodiment 4
The cruciform joint of various types in integrated embodiment 1 to 3, the benchmark for especially combining various cruciform joints are inclined
Difference calculation formula (including formula (7), formula (10) and formula (13)), can conclude obtain it is right by node deviation measuring instrument 20
When cruciform joint measures, datum drift a2General formula:
In formula: k is form factor, when third plate (intermediate plate) is consecutive hours, in such a way that practical reference line is set into
Row measurement, k=1；And when other situations, k=0；C is additional distance, is the initial distance value set when measurement, and value is general
It can be taken as 0~15mm, but be not necessarily larger than a half thickness of most slab in the identical all nodes of angle.
In addition, passing through datum drift a2General formula also can get derive allow maximum deviation a2maxIt is minimum with permission
Deviation a2minCorrespondence calculation formula, it is specific as follows:
Allow maximum deviation:
Allow minimum deflection:
Wherein, the beneficial effect of the general formula (formula (16)) of the calculate node deviation is:
1. no matter the mutual angle between cruciform joint how much, as long as in up and down three pieces of board groups at cross joint
Same formula calculating benchmark deviation can be used in head.
2. no longer needing separately to derive the calculation formula of datum drift value, eliminates and derive the time.
3. avoiding, the formula that different people derives is inconsistent, and leading to the result calculated, also inconsistent situation occurs.
4. calculating deviation using general formula, the standardization of design is accomplished, has unified calculated result.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (8)
1. a kind of node deviation measuring instrument, which is characterized in that its deviation for being used to measure cruciform joint, the cruciform joint have
First plate, the second plate and intermediate plate, the intermediate plate has towards the surface of second plate indicates first plate with respect to position
The practical reference line set, the node deviation measuring instrument include:
Benchmark edge, the benchmark edge are positioned at the surface of the intermediate plate of the cruciform joint；
Datum mark, the datum mark are located at the benchmark edge, and the datum mark indirect addressing is in the intermediate plate of the cruciform joint
With the surface intersection point of the first plate；
Edge is measured, the measurement edge is parallel with the surface of the second plate of the cruciform joint.
2. a kind of production method of node deviation measuring instrument, which is characterized in that it is used for the intermediate plate consecutive hours in cruciform joint
Node deviation measuring instrument as described in claim 1 is made, the node deviation measuring instrument is used to measure the deviation of cruciform joint,
The cruciform joint has the first plate, the second plate and continuous intermediate plate, and the production method of the node deviation measuring instrument includes
Following steps:
S1, assume that the median plane of three blocks of plates of the cruciform joint intersects at a line, with a plane perpendicular to the line
Three blocks of plates for cutting the cruciform joint, using gained section as the design basis of measuring instrument；
S2,1 initial reference point, the initial ginseng are set in a side surface of intermediate plate the first plate of direction of the cruciform joint
The spacing of surface intersection point of the examination point away from the first plate and intermediate plate is set distance E；
S3, another side surface that the initial reference point is mapped to intermediate plate along the plate thickness direction of intermediate plate, to form reality
Reference point；
S4, by the center line of the center line of the first plate, the center line of the second plate and intermediate plate as a whole, along the center of the first plate
Line direction is mobile, is overlapped the center line of intermediate plate with the practical reference point；
S5, by the center line of the center line of the first plate, the center line of the second plate and intermediate plate as a whole, along the center of intermediate plate
Line direction is mobile, is overlapped the center line of the first plate and the surface of the first plate；
S6, keep the center line of the second plate parallel with the measurement edge of the node deviation measuring instrument, make center line and the institute of intermediate plate
The benchmark edge for stating node deviation measuring instrument is overlapped, and makes the datum mark weight of the practical reference point Yu the node deviation measuring instrument
It closes, to make the node deviation measuring instrument, the spacing of the center line of the measurement edge and the second plate of the node deviation measuring instrument
For additional distance c.
3. the production method of node deviation measuring instrument as claimed in claim 2, which is characterized in that the additional distance c is greater than
Or it is equal to 0.
4. the production method of node deviation measuring instrument as claimed in claim 3, which is characterized in that the additional distance c is less than
Or the half thickness equal to most slab in the cruciform joint.
5. the production method of node deviation measuring instrument as claimed in claim 2, which is characterized in that the model of the set distance E
It encloses for 50mm~200mm.
6. a kind of measurement method of node deviation, which is characterized in that it uses node deviation as described in claim 1 to measure
Instrument, the measurement method of the node deviation the following steps are included:
Practical reference line is arranged on the surface of intermediate plate towards the second plate side in S1, the position according to the first plate with respect to intermediate plate；
S2, the benchmark edge of node deviation measuring instrument is resisted against the cruciform joint intermediate plate surface, the node is inclined
The datum mark of difference measuring instrument is aligned in the practical reference line, measurement measurement edge and the edge of the second plate of the cruciform joint
Actual range a；
S3, the measurement additional distance c of edge for obtaining node deviation measuring instrument, the cruciform joint the first plate thickness t1, second
The thickness t of plate2, intermediate plate thickness t3, the angle β of the first plate and intermediate plate and the angle theta of the second plate and intermediate plate, and calculate
The datum drift a of second plate2, the datum drift a2Calculation formula are as follows:
In formula: k is form factor, if intermediate plate is continuous, k=1；If intermediate plate is discontinuous, k=0；
S4, according to the datum drift a2With the actual range a, the deviation situation of the cruciform joint is judged.
7. the measurement method of node deviation as claimed in claim 6, which is characterized in that in step s 5: maximum by allowing
Deviation a2maxWith permission minimum deflection a2minJudge the deviation situation of the cruciform joint,
The permission maximum deviation a2maxCalculation formula are as follows:
The permission minimum deflection a2minCalculation formula are as follows:
8. the measurement method of node deviation as claimed in claim 6, which is characterized in that the practical reference line of the cruciform joint
After the intermediate plate mapping of the cruciform joint, between first plate of cruciform joint and the theory of the surface intersection point of intermediate plate
It is further comprising the steps of in step S1 away from for set distance E:
S01, it is arranged one along the length direction of the cruciform joint in a side surface of intermediate plate the first plate of direction of cruciform joint
The spacing of the surface intersection point of initial reference line, first plate of initial reference line-spacing and intermediate plate is the set distance E；
S02, by the initial reference line along intermediate plate the backwash of plate thickness direction to another side surface of intermediate plate, to form reality
Reference line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295651.0A CN110006304B (en) | 2019-04-12 | 2019-04-12 | Node deviation measuring instrument, manufacturing method thereof and node deviation measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295651.0A CN110006304B (en) | 2019-04-12 | 2019-04-12 | Node deviation measuring instrument, manufacturing method thereof and node deviation measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110006304A true CN110006304A (en) | 2019-07-12 |
| CN110006304B CN110006304B (en) | 2021-02-26 |
Family
ID=67171567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910295651.0A Active CN110006304B (en) | 2019-04-12 | 2019-04-12 | Node deviation measuring instrument, manufacturing method thereof and node deviation measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110006304B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978656A (en) * | 2021-11-10 | 2022-01-28 | 上海外高桥造船有限公司 | Measuring method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514177U (en) * | 2009-10-16 | 2010-06-23 | 上海外高桥造船有限公司 | Node deviation measuring instrument |
| CN102538646A (en) * | 2011-12-30 | 2012-07-04 | 沪东中华造船(集团)有限公司 | Tolerance test template for master node of ship hull and detection method thereof |
| CN204043548U (en) * | 2014-06-26 | 2014-12-24 | 广州广船国际股份有限公司 | A kind of boats and ships three line Alignment measuring slide calliper rule |
| CN106679533A (en) * | 2016-12-27 | 2017-05-17 | 沪东中华造船(集团)有限公司 | Testing tool system and testing method for LNG ship liquid cargo compartment three-dimensional board CM nodes |
| CN108507436A (en) * | 2018-03-29 | 2018-09-07 | 江南造船(集团)有限责任公司 | Monoclinic phase hands over cruciform joint structure alignment tolerance measuring device |
| CN108519034A (en) * | 2018-04-03 | 2018-09-11 | 江南造船(集团)有限责任公司 | Monoclinic phase hands over cruciform joint structure alignment tolerance measuring device |
| CN108562204A (en) * | 2018-06-06 | 2018-09-21 | 江苏新扬子造船有限公司 | The detection model and preparation method thereof of ship key node position |
| JP2018159601A (en) * | 2017-03-22 | 2018-10-11 | 積水ハウス株式会社 | Measuring system and displacement measuring device |
| CN109141162A (en) * | 2018-07-27 | 2019-01-04 | 广船国际有限公司 | Point contact type assembles card sample |
| CN208458655U (en) * | 2018-05-14 | 2019-02-01 | 金海智造股份有限公司 | A kind of tool part measuring CM node deviation |
-
2019
- 2019-04-12 CN CN201910295651.0A patent/CN110006304B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514177U (en) * | 2009-10-16 | 2010-06-23 | 上海外高桥造船有限公司 | Node deviation measuring instrument |
| CN102538646A (en) * | 2011-12-30 | 2012-07-04 | 沪东中华造船(集团)有限公司 | Tolerance test template for master node of ship hull and detection method thereof |
| CN204043548U (en) * | 2014-06-26 | 2014-12-24 | 广州广船国际股份有限公司 | A kind of boats and ships three line Alignment measuring slide calliper rule |
| CN106679533A (en) * | 2016-12-27 | 2017-05-17 | 沪东中华造船(集团)有限公司 | Testing tool system and testing method for LNG ship liquid cargo compartment three-dimensional board CM nodes |
| JP2018159601A (en) * | 2017-03-22 | 2018-10-11 | 積水ハウス株式会社 | Measuring system and displacement measuring device |
| CN108507436A (en) * | 2018-03-29 | 2018-09-07 | 江南造船(集团)有限责任公司 | Monoclinic phase hands over cruciform joint structure alignment tolerance measuring device |
| CN108519034A (en) * | 2018-04-03 | 2018-09-11 | 江南造船(集团)有限责任公司 | Monoclinic phase hands over cruciform joint structure alignment tolerance measuring device |
| CN208458655U (en) * | 2018-05-14 | 2019-02-01 | 金海智造股份有限公司 | A kind of tool part measuring CM node deviation |
| CN108562204A (en) * | 2018-06-06 | 2018-09-21 | 江苏新扬子造船有限公司 | The detection model and preparation method thereof of ship key node position |
| CN109141162A (en) * | 2018-07-27 | 2019-01-04 | 广船国际有限公司 | Point contact type assembles card sample |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978656A (en) * | 2021-11-10 | 2022-01-28 | 上海外高桥造船有限公司 | Measuring method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110006304B (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106679533A (en) | Testing tool system and testing method for LNG ship liquid cargo compartment three-dimensional board CM nodes | |
| CN203518893U (en) | Scale for measuring fitting degrees of joining lines of ship inner and outer housing sheet bodies | |
| CN105241751A (en) | Assembly clamper for sandwich structure board lateral compression test | |
| CN204788330U (en) | Rudder area sensor mark school anchor clamps | |
| CN110254612B (en) | Method for drilling sea water tank grating holes and ship section | |
| CN106853861A (en) | The localization method in marine main engine foundation bolt hole | |
| CN110926307A (en) | Thickness measuring method for adjusting cushion block | |
| CN110006304A (en) | The measurement method of node deviation measuring instrument, its production method and node deviation | |
| CN108573117B (en) | Ship deformation monitoring and calculating method and device | |
| CN105383643A (en) | Stainless steel groove type compartment aligning method | |
| CN111408963A (en) | Machining and inspecting tool and method for fan-shaped thrust block of diesel engine | |
| CN112918634B (en) | Precision control method for ship anchoring system structure | |
| CN103010405A (en) | Method for controlling section cutting precision of transverse bulkhead | |
| CN109094716B (en) | Method for manufacturing guide plate processing sample box | |
| CN207850234U (en) | A kind of suspended rubber mat cubing | |
| CN110304197A (en) | A kind of deck gunnel structure and its line style setting out method | |
| CN213396819U (en) | Double-vernier guide rail height gauge | |
| CN217802221U (en) | Woodworking template | |
| CN105904247A (en) | Master key clamp | |
| CN202974220U (en) | Height adjusting universal fixture applied to digital camera exterior part determination | |
| CN208254345U (en) | A kind of multi-purpose tool snap-gauge | |
| CN205957833U (en) | Special detection instrument of ship structure node precision | |
| CN206459583U (en) | Weaving combing machine top combing set pattern composition error calibration equipment | |
| CN214747731U (en) | Adjustable straightness accuracy leads to rule | |
| CN219404271U (en) | Adjustable line drawing auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |