CN103697867B - Perspective ray is utilized to carry out the method for curved surface sectional members installation quick test - Google Patents

Perspective ray is utilized to carry out the method for curved surface sectional members installation quick test Download PDF

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Publication number
CN103697867B
CN103697867B CN201310729035.4A CN201310729035A CN103697867B CN 103697867 B CN103697867 B CN 103697867B CN 201310729035 A CN201310729035 A CN 201310729035A CN 103697867 B CN103697867 B CN 103697867B
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China
Prior art keywords
perspective ray
component
segmentation
installation
carry out
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CN103697867A (en
Inventor
吉李祥
卜爱春
朱振娟
周志勤
柯金
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Hudong Zhonghua Shipbuilding Group Co Ltd
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Hudong Zhonghua Shipbuilding Group Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Abstract

A kind of method using perspective ray to carry out the quick test of curved surface sectional members, moulding bed completes the curved section of assembling and positioning, sectional members draws installation perspective ray in the processing jacking stage, and realize not by other survey instrument, naked eyes check the object of segmentation distortion and Components installation angle fast.The inventive method is simple, easy to use, simplifies the loaded down with trivial details surveying work of conventional curved-surface segmentation fabrication phase, improves block assembly efficiency and segmentation installation accuracy quality.

Description

Perspective ray is utilized to carry out the method for curved surface sectional members installation quick test
Technical field
The present invention relates to shipbuilding, particularly a kind of method utilizing perspective ray to carry out curved surface sectional members installation quick test.
Background technology
In boat segmental building course, cut sth. askew segmentation and topside small fragment of a large amount of hyperbolics is the difficult point precision problem of product precision control.Because the line style in moulding bed face is comparatively large, and moulding bed diclinic is cut.Carry out framework installation at basal plane, assembling and positioning precision is difficult to ensure, often occurs the phenomenon that floor setting angle misplaces, and affects building berth and carries precision.When checking the installation accuracy of this class A of geometric unitA, detection method is complicated and consume the plenty of time, extreme influence production efficiency.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of method utilizing perspective ray to carry out curved surface sectional members installation quick test is provided, the method at curved section Components installation, can check the installation accuracy of multiple component and adjusts in quicklook ground.
Technical solution of the present invention is as follows:
Utilize perspective ray to carry out a method for curved surface sectional members installation quick test, its feature is: the method comprises the steps:
1. according to design, the installation component of component (as curved surfaces such as segmentation floor, large T rows) to be installed draws the certain longitudinal profile of system, this longitudinal profile buttock line crossing with component to be installed is the perspective ray placed, when the installation component described in segmental machining, increase the setting-out of dusting of perspective ray;
2. utilize plumb bob, ruler to carry out measurement of angle to the bow face member of segmentation and stern face member respectively, determine orientation angle accurately;
3. to the Components installation of zone line, directly carry out front angle views by described perspective ray, when perspective ray on the same line, then component installation location and angle correct; When perspective ray not on the same line, then judge Components installation dislocation or the segmentation distortion of point intersegmental part, adjust accordingly at once, make described perspective ray on the same line.
Technique effect of the present invention is as follows:
The present invention, to the Components installation of the zone line beyond bow face member and stern face member, directly carries out front angle views by described perspective ray, when perspective ray on the same line, then component installation location and angle correct; When perspective ray not on the same line, then judge Components installation dislocation or the segmentation distortion of point intersegmental part, adjust accordingly at once, make described perspective ray on the same line.
Compared with prior art, the installation accuracy that the present invention can realize multiple component detects fast, and Checking on effect is directly perceived, need not measure by instrument, improves the checking efficiency of the on-the-spot precision of segmentation, reduces the generation of accuracy error problem.
Accompanying drawing explanation
Fig. 1 places perspective ray schematic diagram in design jacking;
Fig. 2 is that topside segmentation/small fragment perspective ray arranges schematic diagram;
Fig. 3 is that L-type segmentation perspective ray arranges schematic diagram;
Fig. 4 is that traditional plumb bob method measures component orientation angle schematic diagram;
Fig. 5 is that L-type segmentation perspective ray checks schematic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described, but should not limit the scope of the invention with this.
Utilize perspective ray to carry out a method for curved surface sectional members installation quick test, comprise the steps:
1. according to design, component to be installed designs certain longitudinal profile, this longitudinal profile buttock line crossing with component to be installed is the perspective ray placed, and when the installation component described in segmental machining, increases the setting-out of dusting of perspective ray;
2. respectively measurement of angle is carried out to the bow face member of segmentation and stern face member by plumb bob, ruler, determine orientation angle accurately;
When 3. the component of point intersegmental part of zone line being installed, directly carry out front angle views by described perspective ray, when the perspective ray of associated components is in same straight line, then component installation location and angle correct; When perspective ray is not in same straight line, then judge Components installation dislocation or the segmentation distortion of point intersegmental part, adjust accordingly at once, make described perspective ray on the same line.
Fig. 1 is the schematic diagram placing perspective ray in jacking of the present invention, as shown in the figure, any longitudinal profile is increased in designing a model, the longitudinal profile arranged all has crossing with examine component, the buttock line intersected is the perspective ray designing and place, and increases the powder marking of perspective ray in segmental machining jacking data.
In block assembly process, the perspective ray of typical segmentation places position as shown in Fig. 2 Fig. 3, and Fig. 2 is that topside segmentation/small fragment perspective ray arranges schematic diagram, and Fig. 3 is that L-type segmentation perspective ray arranges schematic diagram.The segmentation fabrication phase, use traditional plumb bob method to measure component orientation angle, determine segmentation bow end component and stern end Components installation angle, see Fig. 4.
After intermediate member installs location, reviewer by front visual inspection, the perspective ray in inspection sectional members whether in same straight line, see Fig. 5.As component installation location and angle are correct, front angle views, perspective ray is then in same straight line; If perspective ray is not in same straight line, can judge that segmentation internals installs dislocation or segmentation distortion fast.

Claims (1)

1. utilize perspective ray to carry out a method for curved surface sectional members installation quick test, it is characterized in that: the method comprises the steps:
1. according to design, component to be installed designs certain longitudinal profile, this longitudinal profile buttock line crossing with component to be installed is the perspective ray placed, and when the installation component described in segmental machining, increases the setting-out of dusting of perspective ray;
2. respectively measurement of angle is carried out to the bow face member of segmentation and stern face member by plumb bob, ruler, determine orientation angle accurately;
When 3. the component of point intersegmental part of zone line being installed, directly carry out front angle views by described perspective ray, when the perspective ray of associated components is in same straight line, then component installation location and angle correct; When perspective ray is not in same straight line, then judge Components installation dislocation or the segmentation distortion of point intersegmental part, adjust accordingly at once, make described perspective ray on the same line.
CN201310729035.4A 2013-12-26 2013-12-26 Perspective ray is utilized to carry out the method for curved surface sectional members installation quick test Active CN103697867B (en)

Priority Applications (1)

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CN201310729035.4A CN103697867B (en) 2013-12-26 2013-12-26 Perspective ray is utilized to carry out the method for curved surface sectional members installation quick test

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CN201310729035.4A CN103697867B (en) 2013-12-26 2013-12-26 Perspective ray is utilized to carry out the method for curved surface sectional members installation quick test

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CN1792712A (en) * 2005-12-30 2006-06-28 广州广船国际股份有限公司 Method for plane sectional building hull
CN101596925A (en) * 2009-07-23 2009-12-09 上海江南长兴重工有限责任公司 The prepackage technology of bow lateral thruster on body section
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CN102431626A (en) * 2011-10-18 2012-05-02 沪东中华造船(集团)有限公司 Installation method of overlong twin-skeg structure segment and shaft bracket dock
CN103204224A (en) * 2012-01-12 2013-07-17 江苏新世纪造船有限公司 Method for installing shipway onto energy-saving device of large ship
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JP5095531B2 (en) * 2008-07-08 2012-12-12 三星重工業株式会社 System and method for evaluating processing completeness of curved member
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CN101596925A (en) * 2009-07-23 2009-12-09 上海江南长兴重工有限责任公司 The prepackage technology of bow lateral thruster on body section
CN102346789A (en) * 2011-05-25 2012-02-08 沪东中华造船(集团)有限公司 Setting method of intensive curvature longitudinal structure line of inner and outer dual-hull type ship
CN102431626A (en) * 2011-10-18 2012-05-02 沪东中华造船(集团)有限公司 Installation method of overlong twin-skeg structure segment and shaft bracket dock
CN103204224A (en) * 2012-01-12 2013-07-17 江苏新世纪造船有限公司 Method for installing shipway onto energy-saving device of large ship
CN103204225A (en) * 2012-01-12 2013-07-17 江苏新世纪造船有限公司 Section construction and staged installation method for fabrication hole for getting in and out of marine engine room

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