CN101628610B - Method for positioning dockyard overbridge - Google Patents
Method for positioning dockyard overbridge Download PDFInfo
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- CN101628610B CN101628610B CN2008100407309A CN200810040730A CN101628610B CN 101628610 B CN101628610 B CN 101628610B CN 2008100407309 A CN2008100407309 A CN 2008100407309A CN 200810040730 A CN200810040730 A CN 200810040730A CN 101628610 B CN101628610 B CN 101628610B
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- overline bridge
- overbridge
- theodolite
- dockyard
- dock
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Abstract
The invention discloses a method for positioning a dockyard overbridge, which uses the accurate measurement of a theodolite to perform the marginless cutting of upper and lower supporting seats of the overbridge to realize the overall hoisting position of the overbridge. The method comprises the following steps that: on a deck of a lower buoyant box of the front end walls of a dockyard, the theodolite is used for centring, turned 90 degrees and is used to form a middle cross section on the two dock front end walls; distances between the middle cross section and the dock walls are measured, and distance data are corresponded to the upper and lower supporting seats; connecting all corresponding points to draw a margin line of a base; and the margins of the upper and lower supporting seats are cut. During installation, a spirit level and the theodolite are used for horizontally and centrally positioning in hoisting and installation. The scheme of the invention provides a method for positioning a dockyard, which performs the marginless cutting of the upper and lower supporting seats by using the accurate measurement of the theodolite to realize the quick and accurate positioning of an overbridge. The installed overbridge is high in installation accuracy as the checked levelness error is +/-5 millimeters and the checked centration contact ratio error is +/-4 millimeters.
Description
Technical field
The present invention relates to a kind of localization method of dockyard overbridge, particularly relate to and a kind ofly accurately measuring with theodolite, and the overline bridge installation method of integral hoisting location.
Background technology
Dockyard overbridge 1 is installed on the preceding dock wall 12 of dock, and package unit is in the same place overline bridge and supporting base couplet through bearing pin, utilizes the electric capstan of dock, drives the overline bridge closure or openness, to realize the connection of inside and outside wing wall.The technical requirements of overline bridge installing and locating comprises:
1, should be in same plane under the overline bridge closed condition.
2, overline bridge is opened closed the rotation freely.
3, overline bridge to zygonema should with the dock bottom central lines.
By theoretical designing requirement, the front bulkhead of dock wall becomes plumbness with upper and lower pontoon deck, but because the manufacturing errors of segmentation and go up the accumulated error that buoyancy tank closes up greatly, whether the pitching of dock front bulkhead, is the key that can overline bridge the level installation.The size of the front bulkhead of the good dock of accuracy control is the key point that overline bridge is installed.
According to traditional way, to so large-scale fittings, and with the rotatable device of bearing pin and bearing shell.For guaranteeing that it rotates freely and the plane requirement, before should earlier the upper and lower supporting base of overline bridge being fixed on the dock wall.For eliminating the deformation effect that welding brings is installed, is utilized boring row that base is carried out bore hole, to guarantee the absolute coincidence of axis; Bearing pin and overline bridge are installed again, though it is it is high to do precision like this, easy for installation; But work efficiency is very low, and the time is quite long, also needs the frock expense of labor simultaneously.
Summary of the invention
The technical matters that the present invention will solve is in order to overcome the existing defective that the dock location technology is time-consuming, work efficiency is very low; Provide a kind of accurately the measurement to carry out up and down the no surplus of supporting base and once cut, thereby realize the quick pinpoint dock localization method of overline bridge with theodolite.
The present invention solves above-mentioned technical matters through following technical proposals: a kind of localization method of dockyard overbridge, and its characteristics are that it may further comprise the steps:
S
1, utilize horizon on the pontoon deck of dock earlier, on the following pontoon deck of the front bulkhead of dock, the angle-iron frame of a band mark post is set, utilize the accurate centering of theodolite;
S
2, and, on left and right wing wall front bulkhead, make a midship section with theodolite by 90 degree upset theodolites;
S
3, measure the distance of this midship section to wing wall with theodolite, and should distance corresponding on the upper and lower supporting base of overline bridge;
S
4, connect cooresponding each point, mark the installation position surplus line of the upper and lower supporting base of overline bridge;
S
5, on the overline bridge base, upper and lower supporting base is prescinded surplus, carry out overline bridge integral hoisting location then.
When the localization method of above-mentioned dockyard overbridge is installed in the overline bridge handling, also comprise level, centering positioning step that the overline bridge handling is installed.
The localization method of above-mentioned dockyard overbridge, the horizon of overline bridge being installed through level indicator causes on this mark post, as the horizontal location benchmark of overline bridge installation; Through theodolite the dock line of centers is also caused on this mark post as the centering positioning reference.
Wherein, the localization method of above-mentioned dockyard overbridge is at step S
5After also comprise step S
6: the overline bridge levelness of checking after installing reaches moderate.
Wherein, the check of this levelness is that above buoyancy tank horizon is that benchmark is measured verification through theodolite.
Wherein, this is checked moderate is to make a center buttock with theodolite, carries out the overlap ratio verification of overline bridge to zygonema and dock line of centers.
Positive progressive effect of the present invention is:
1, this localization method weak point consuming time, work efficiency is high;
2, practice thrift cost, reduce manpower;
3, overline bridge is installed the back levelness and is checked ± 5 millimeters, and the centering overlap ratio is checked ± 4 millimeters, and it is high that accuracy rate is installed.
Description of drawings
Fig. 1 is overline bridge mounting structure figure in the preferred embodiment of the present invention.
Fig. 2 be among Fig. 1 A to view.
Fig. 3 be among Fig. 1 B to view.
Fig. 4 is overline bridge location structure figure in the preferred embodiment of the present invention.
Fig. 5 is the optic theodolite optical centering survey map of preferred embodiment of the present invention.
The specific embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
Fig. 1 is the mounting structure figure of overline bridge 1 in the preferred embodiment of the present invention, and its Chinese words " opposing and be the right side in a left side " is meant the left overline bridge 101 among this Fig. 1, is that the center symmetry is right overline bridge 102 (do not omit among Fig. 1 and draw) to the right with mark post 7.
To shown in Figure 5, a day Biodge device is made up of overline bridge 1, overline bridge upper support 2, overline bridge upper branching holder 3, overline bridge lower support 4, lower support seat 5 and registration device 6 like Fig. 1, and wherein, upper support 2, lower support 4 and upper branching holder 3, lower support seat 5 link to each other through bolt.By theoretical designing requirement, the front bulkhead 12 of dock wall should be with last pontoon deck, pontoon deck 10 is vertical down.But because the manufacturing errors of segmentation and go up the accumulated error that buoyancy tank closes up greatly, whether the pitching of dock front bulkhead 12, is the key that can overline bridge 1 level be installed.Like Fig. 4 and shown in Figure 5, theodolite is erected at wing wall front bulkhead 12 positions (253FR erect-position), it forms A '--A ' optical measurement imaginary plane.Because the error that the segmentation of wing wall front bulkhead is made, be prone to cause the error of the overline bridge installation position that the pitching of wing wall front bulkhead causes, 1 millimeter of every error; The overline bridge head will upwarp or sagging 24 millimeters; So the size of the front bulkhead 12 of the good dock of accuracy control is the key point that overline bridge 1 is installed.Dockyard overbridge localization method of the present invention provides a kind of employing theodolite accurately to measure, and overline bridge upper branching holder 3, lower support seat 5 are not had the surplus cutting, thereby realizes the fast accurate hoisting and locating of overline bridge 1 single-piece.Specifically comprise:
1, as shown in Figure 1, erect an angle-iron frame 8 at following pontoon deck 10 tops of the front bulkhead 12 of dock, mark post 7 is inserted on the angle-iron frame 8.Because when overline bridge 1 was installed in handling, its rear portion was against on the dock wall, and front end is suspended in midair, about it, about the position can't confirm, so a ccasual angle-iron frame 8 is set.Utilize the horizon on the pontoon deck of dock earlier, the horizon of overline bridge 1 being installed with level indicator respectively and dock bottom line of centers 11 is caused on the mark post 7 with laser transit, thereby as the standard of overline bridge 1 level, centering location.
2,, utilize the accurate centering of theodolite like Fig. 4 and shown in Figure 5; And, on left and right wing wall front bulkhead 12, make a midship section with theodolite by 90 degree upset theodolites.
As shown in Figure 4; Utilize theodolite to build a 3 D stereo system of axes in the space: the origin of coordinates 0 is located at the FR253 erect-position; Carry out centering with the FR253 erect-position as the theodolite bench mark; With the corresponding dock line of centers 11 of Y axle of theodolite, the corresponding FR253 erect-position of X axle line, the Z axle intersects the plane that forms perpendicular to X, Y axle.Set up two mutually perpendicular planes: revolve the center buttock that three-sixth turn forms dock with Y axle, Z axle intersection line, overline bridge zygonema is overlapped with it.In like manner, revolve three-sixth turn with X axle, Z axle and form midship section, be A ' shown in Figure 5-A ' plane, wherein, A '-A ' plane is the optics imagination measurement plane of theodolite.
3, like Fig. 4 and shown in Figure 5; Measure the distance of midship section to wing wall with theodolite; And this range data is corresponding one by one on the upper and lower supporting base of overline bridge, obtain four some C ', D ', E ', the F ' of four some C, D, E, F and lower support seats 5 of upper branching holder 3.
4, as shown in Figure 4, connect C, D, E, F point and C ', D ', E ', F ' point, promptly mark the installation position surplus line of overline bridge upper branching holder 3, lower support seat 5.
5, upper branching holder 3, lower support seat 5 are prescinded surplus, with crane overline bridge 1 is winched to installation site (upper branching holder 3, lower support seat 5 positions of on wing wall, marking in advance) then and locate installing and locating, extremely shown in Figure 3 like Fig. 1.After being all on board, confirm that errorless location freezes.In like manner, accomplish the location and installation of the overline bridge 1 of right wing wall.
6, the levelness of installation back check overline bridge 1 reaches moderate.
1) after a day Biodge device all installs; With the laser transit position that wing wall is measured on original; With three mark posts is after reference plane is adjusted; Respectively with mark post be positioned at two overline bridges head, afterbody measures, the maximum error that records between four somes distances of mark post to supporting base is ± 5 millimeters, meets the accuracy requirement of installation fully.
2) make center buttock with laser transit at the 253FR website, the maximum error of checking the overline bridge apposition position is ± 4 millimeters, meets the accuracy requirement of installation fully.
More than described the specific embodiment of the present invention, but it will be understood by those of skill in the art that these only are casehistorys, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification these embodiments.Therefore, protection scope of the present invention is limited appended claims.
Claims (6)
1. the localization method of a dockyard overbridge is characterized in that, it may further comprise the steps:
S
1, utilize horizon on the pontoon deck of dock earlier, on the following pontoon deck of the front bulkhead of dock, the angle-iron frame of a band mark post is set, utilize the accurate centering of theodolite;
S
2, and, on left and right wing wall front bulkhead, make a midship section with theodolite by 90 degree upset theodolites;
S
3, measure the distance of this midship section to wing wall with theodolite, and should distance corresponding on the upper and lower supporting base of overline bridge;
S
4, connect cooresponding each point, mark the installation position surplus line of the upper and lower supporting base of overline bridge;
S
5, on the overline bridge base, upper and lower supporting base is prescinded surplus, carry out overline bridge integral hoisting location then.
2. the localization method of dockyard overbridge as claimed in claim 1 is characterized in that, when the overline bridge handling is installed, also comprises level, centering positioning step that the overline bridge handling is installed.
3. the localization method of dockyard overbridge as claimed in claim 2 is characterized in that, the horizon of overline bridge being installed through level indicator causes on this mark post, as the horizontal location benchmark of overline bridge installation; Through theodolite the dock line of centers is also caused on this mark post as the centering positioning reference.
As more than the localization method of the described dockyard overbridge of arbitrary claim, it is characterized in that, at step S
5After also comprise step S
6: the overline bridge levelness of checking after installing reaches moderate.
5. the localization method of dockyard overbridge as claimed in claim 4 is characterized in that, the check of this levelness is that above buoyancy tank horizon is that benchmark is measured verification through theodolite.
6. the localization method of dockyard overbridge as claimed in claim 4 is characterized in that, this is checked moderate is to make a center buttock with theodolite, carries out the overlap ratio verification of overline bridge to zygonema and dock line of centers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100407309A CN101628610B (en) | 2008-07-18 | 2008-07-18 | Method for positioning dockyard overbridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100407309A CN101628610B (en) | 2008-07-18 | 2008-07-18 | Method for positioning dockyard overbridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101628610A CN101628610A (en) | 2010-01-20 |
| CN101628610B true CN101628610B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100407309A Expired - Fee Related CN101628610B (en) | 2008-07-18 | 2008-07-18 | Method for positioning dockyard overbridge |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1049340A1 (en) * | 1982-03-23 | 1983-10-23 | Предприятие П/Я Г-4556 | Ship gangway ladder |
| CN1583503A (en) * | 2003-08-21 | 2005-02-23 | 沪东中华造船(集团)有限公司 | Method for drawing depth-lines |
| CN1833988A (en) * | 2005-03-18 | 2006-09-20 | 同济大学 | Installing method of portal crane |
| CN101032995A (en) * | 2007-04-06 | 2007-09-12 | 上海外高桥造船有限公司 | Method of installing ship bilge equipment |
| CN101168380A (en) * | 2007-07-18 | 2008-04-30 | 中国葛洲坝集团机械船舶有限公司 | Method for mounting ship three-main-engine three-airscrew main frame shafting |
-
2008
- 2008-07-18 CN CN2008100407309A patent/CN101628610B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1049340A1 (en) * | 1982-03-23 | 1983-10-23 | Предприятие П/Я Г-4556 | Ship gangway ladder |
| CN1583503A (en) * | 2003-08-21 | 2005-02-23 | 沪东中华造船(集团)有限公司 | Method for drawing depth-lines |
| CN1833988A (en) * | 2005-03-18 | 2006-09-20 | 同济大学 | Installing method of portal crane |
| CN101032995A (en) * | 2007-04-06 | 2007-09-12 | 上海外高桥造船有限公司 | Method of installing ship bilge equipment |
| CN101168380A (en) * | 2007-07-18 | 2008-04-30 | 中国葛洲坝集团机械船舶有限公司 | Method for mounting ship three-main-engine three-airscrew main frame shafting |
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| Publication number | Publication date |
|---|---|
| CN101628610A (en) | 2010-01-20 |
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