CN105383642B - A kind of vertical guide rail erecting and welding method - Google Patents

A kind of vertical guide rail erecting and welding method Download PDF

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Publication number
CN105383642B
CN105383642B CN201510640297.2A CN201510640297A CN105383642B CN 105383642 B CN105383642 B CN 105383642B CN 201510640297 A CN201510640297 A CN 201510640297A CN 105383642 B CN105383642 B CN 105383642B
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line
guide rail
steel
plumb
rail
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CN105383642A (en
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黄晓琼
颜芳
胡社来
曹向东
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Wuchang Shipbuilding Industry Group Co Ltd
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Wuchang Shipbuilding Industry Group Co Ltd
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Abstract

The invention discloses a kind of vertical guide rail erecting and welding method, including:Rule according to building berth general assembly line in hull bottom;According to the line, steel model is installed in the hull bottom;Wherein, the steel model is that the maximum projection plane based on the lifting fin keel makes acquisition;Based on the steel model, the plumb line of the latter half guide rail is determined;Plumb line based on the steel model and the latter half guide rail, installs the latter half guide rail;Determine the plumb line of the top half guide rail;Plumb line based on the steel model and the top half guide rail, installs the top half guide rail.It is respectively mounted by the way that vertical guide rail is divided into two parts, and steel model and plumb line are devised as the installation reference of vertical guide rail, the installation accuracy of vertical guide rail can be improved, the success rate of installation is high, and wide adaptation range, can be generally applicable to being accurately positioned and installation for various large-scale vertical guide rails.

Description

A kind of vertical guide rail erecting and welding method
Technical field
The invention belongs to Naval Architecture and Ocean Engineering technical field, more particularly to a kind of vertical guide rail erecting and welding method.
Background technology
On large ocean scientific surveying ship at home and abroad, many scientific investigation detecting devices are loaded with, it is generally mounted to case In type structure carrier.When scientific investigation detecting devices need to carry out habitata, these structure carriers need to deliver scientific investigation equipment and lean out ship Beyond body.Therefore, vertical lift well (or moon pool), these lift well (or moon pool) insertions are generally provided with the middle part of hull Hull multideck, can pass through inner bottom plating, platform deck, lower decks, upper deck, fore castle deck from hull bottom, reach up to ship Deck.The main function of lift well, is to be used to supply scientific investigation apparatus carriers --- the VTOL of lifting fin keel.For lifting fin keel For device, its maximum structural member is vertical guide rail, and vertical guide rail is specifically included with lower component:Guide rail panel, guide rail abdomen Plate, guide rail bracket, guide rail reinforcement.Wherein, guide rail panel is oriented to contact surface to lift during fin keel body structure VTOL;Lead Rail web plate is connection and supporting guide panel;Guide rail bracket connection guide rail panel, web and bulkhead, for rail web to be fixed On bulkhead;The main function of guide rail bracket and guide rail reinforcement, is provided to strengthen the fixation between guide rail body and bulkhead Property.
Because vertical guide rail is to constitute the max architecture part for lifting fin keel, therefore, the direct shadow of installation accuracy of vertical guide rail Ring lifting fin keel reliability of operation.
Existing vertical guide rail is usually the section bar and horizontal bracket composition of roll forming, and its installation method is simple:Positioning During installation so that then vertical guide rail welds the angle welding between the horizontal bracket and bulkhead of guide rail parallel to bulkhead, so that both It is fixedly connected, and rail web is not welded directly with bulkhead, and spot welding is only connected with horizontal bracket.The purpose so done, keeps away Exempt from guide rail body directly to weld with bulkhead, reduce guide rail body welding region so that it is difficult temperature distortion, also, uses Such mode, the precision after vertical guide rail is installed is easily reached within control range.
But, vertical guide rail in the prior art, its construction, material and structure etc., as equipment makes a big difference, Therefore, existing installation method and inapplicable all vertical guide rails.For example, the material of the vertical guide rail of container ship, is employed Profiles.This kind of vertical guide rail, weight and volume is all smaller, and precision is easy to ensure.Therefore existing welding side can be used Method.
But, for large-scale vertical guide rail, its weight and volume all than it is larger (for example length be more than 10 meters, weight Large-scale vertical guide rail more than 6.5 tons) installation and welding, the installation method of prior art is inapplicable, therefore existing skill The installation method of art has certain limitation.
The content of the invention
In view of the above-mentioned problems, invention provides a kind of vertical guide rail erecting and welding method, mainly for large-scale vertical Guide rail, can also be applicable other kinds of guide rail, have limited technical problem with the installation method for solving prior art.
In order to solve the above technical problems, the invention provides a kind of vertical guide rail erecting and welding method, the vertical guide rail Including top half guide rail and the latter half guide rail, methods described includes:
Rule according to building berth general assembly line in hull bottom;
According to the line, steel model is installed in the hull bottom;Wherein, the steel model is based on lifting fin keel Maximum projection plane, which makes, to be obtained;
Based on the steel model, the plumb line of the latter half guide rail is determined;
Plumb line based on the steel model and the latter half guide rail, installs the latter half guide rail;
Determine the plumb line of the top half guide rail;
Plumb line based on the steel model and the top half guide rail, installs the top half guide rail.
It is preferred that, the relevant bits on the steel model check that line includes:Actual lifting center line, longitudinal centre line, stern Installation position below guide rail installation position, bow side guide lower decks, stem intermediate rail installation position, the first plumb line monitoring Point, the second plumb line control point.
It is preferred that, the line includes:Hull center is rule, the line of angle square line, larboard lifting fin keel center line line, right Side of a ship lifting fin keel center line line.
It is preferred that, it is described according to the line, steel model is installed in the hull bottom, specifically included:
Based on hull center line, angle square line line, larboard lifting fin keel center line line, install left Steel model;On the left steel model, the left corresponding longitudinal centre line of steel model and larboard lifting fin keel center line Line is overlapped;The angle square line line is corresponding with intersection point and the left steel model that the larboard lifts the line of fin keel center line Actual lifting center line is overlapped;
Based on hull center line, angle square line line, starboard lifting fin keel center line line, install right Steel model;On the right steel model, corresponding longitudinal centre line and starboard lifting fin keel center on the right steel model Line line is overlapped;The intersection point that the angle square line line lifts the line of fin keel center line with the starboard is corresponding with the right steel model Actual lifting center line overlap.
It is preferred that, it is described according to building berth general assembly line after hull bottom is rule, methods described also includes:
Larboard is lifted into the line of fin keel center line using laser transit and starboard lifts fin keel center line line mistake respectively Cross to each self-corresponding transverse bulkhead, be used as transition center line.
It is preferred that, it is described to be based on the steel model, the plumb line of the latter half guide rail is determined, is specifically included:
Based on the transition center line, the plumb line messenger wire point on the first machine frame is determined;
By the plumb line through the centre bore of the adjustment plate on first machine frame, the plumb line is hung to hull bottom;
The vertical point of the plumb line lower end is adjusted to the first plumb line control point and fixed.
It is preferred that, after the plumb line is hung to hull bottom, methods described also includes:
The position of vertical line crossing point is determined on the second machine frame, and the plumb line is passed through second frock Adjustment plate on frame, then the plumb line is fixed.
It is preferred that, the latter half guide rail includes:The latter half guide rail of stern guide rail, the lower half of bow side guide Part guide rails, the latter half guide rail of bow intermediate rail;
The plumb line based on the steel model and the latter half guide rail, installs the latter half guide rail, tool Body includes:
Based on the plumb line, the latter half guide rail of the stern guide rail is lifted and is welded on the stern guide rail and is pacified Fill position;
Based on the plumb line, the latter half guide rail of the bow side guide is lifted and the bow side is welded on Installation position below the guide rail lower decks of side;
Based on the plumb line, the latter half guide rail of the bow intermediate rail is lifted and is welded in the stem Between guide rail installation position.
It is preferred that, the plumb line for determining the top half guide rail is specifically included:
Make the plumb line through the centre bore of the adjustment plate on the 3rd machine frame so that the plumb line lower extreme point and the The centre bore of the adjustment plate of one machine frame is overlapped.
It is preferred that, the top half guide rail includes:The top half guide rail of stern guide rail, the upper half of bow side guide Part guide rails, the top half guide rail of bow intermediate rail;
The plumb line based on the steel model and the top half guide rail, installs the top half guide rail, tool Body includes:
Based on the plumb line, the top half guide rail of the stern guide rail and the latter half of the stern guide rail are welded Guide rail;
Based on the plumb line, the top half guide rail and the bow side guide of the bow side guide are welded The latter half guide rail;
Based on the plumb line, the top half guide rail and the bow intermediate rail of the bow intermediate rail are welded The latter half guide rail.
By the technical scheme of the present invention, the invention has the advantages that or advantage:
The invention discloses a kind of vertical guide rail erecting and welding method, including:Entered according to building berth general assembly line in hull bottom Row line;According to the line, steel model is installed in the hull bottom;Wherein, the area of the steel model is the lifting The maximal projection area of fin keel;Based on the steel model, the plumb line of the latter half guide rail is determined;Based on the steel model With the plumb line of the latter half guide rail, the latter half guide rail is installed;Determine the plumb line of the top half guide rail; Plumb line based on the steel model and the top half guide rail, installs the top half guide rail.By by vertical guide rail It is divided into two parts to be respectively mounted, and devises steel model and plumb line as the installation reference of vertical guide rail, it is possible to increase hangs down The installation accuracy of straight guide, the success rate of installation is high, and wide adaptation range, can be generally applicable to various large-scale vertical guide rails It is accurately positioned and installation.
Brief description of the drawings
Figure 1A is the distribution map of vertical guide rail of the embodiment of the present invention;
Figure 1B is the structure chart of vertical guide rail of the embodiment of the present invention;
Fig. 2A is the cutting schematic diagram of stern guide rail of the embodiment of the present invention;
Fig. 2 B are the cutting schematic diagram of bow side guide of the embodiment of the present invention;
Fig. 2 C are the cutting schematic diagram of bow intermediate rail of the embodiment of the present invention;
Fig. 3 is to survey to have drawn the structural representation that related installation position checks line on steel model of the embodiment of the present invention;
Fig. 4 is the implementation process of the installation method of vertical guide rail of the embodiment of the present invention;
Fig. 5 is the line schematic diagram of hull bottom of the embodiment of the present invention;
Fig. 6 is the schematic diagram after steel of embodiment of the present invention model is installed;
Fig. 7 A are the schematic diagram of the machine frame of the embodiment of the present invention first;
Fig. 7 B are the schematic diagram of the machine frame of the embodiment of the present invention first;
Fig. 7 C are the schematic diagram of adjustment plate of the embodiment of the present invention.
Description of reference numerals:Stern guide rail 1, bow side guide 2, bow intermediate rail 3, rail web 4, guide rail panel 5th, guide rail reinforcement 6, guide rail bracket 7, left steel model 8, right steel model 9.
Embodiment
In order that the application the technical staff in the technical field is more clearly understood that the application, below in conjunction with the accompanying drawings, Technical scheme is described in detail by specific embodiment.
In embodiments of the present invention, the guide rail installation method of description mainly for object to be that sheet material is combined vertically lead Rail.
Specifically, the structural member quantity of vertical guide rail of the invention is a lot, and weight and volume is all very huge, for example:By The combined vertical guide rail that sheet material is formed by welding, its weight and volume is all than larger, long more than 10 rice, and weight is about 6.5 tons.
Specifically introduced below for the vertical guide rail of the present invention.
It is the distribution map for the vertical guide rail being related in the present invention referring to Figure 1A.
Divided according to the position in hull, vertical guide rail can be divided into:Stern guide rail 1, bow side guide 2, bow Intermediate rail 3.
And be the structural representation of vertical guide rail of the present invention referring to Figure 1B when being classified according to part.
In fig. ib, vertical guide rail specifically includes one or several following parts, i.e.,:Rail web 4, guide rail panel 5, Guide rail reinforcement 6, guide rail bracket 7.
Because the weight and volume of vertical guide rail is all than larger, therefore, for the ease of in-site installation and lifting, hung down installing Before straight guide, the formation part of vertical guide rail can be cut at least two parts.For example:Each vertical guide rail can Two parts above and below cutting into:Top half guide rail and the latter half guide rail.
Divided according to structure:
Top half guide rail includes:Guide rail panel 5, rail web 4, guide rail bracket 7, guide rail reinforcement 6.
The latter half guide rail includes:Guide rail panel 5, rail web 4, guide rail bracket 7, guide rail reinforcement 6.
Divided according to position:
Top half guide rail includes:The top half guide rail of stern guide rail 1, the top half guide rail of bow side guide 2, The top half guide rail of bow intermediate rail 3.
The latter half guide rail includes:The latter half guide rail of stern guide rail 1, the latter half guide rail of bow side guide 2, The latter half guide rail of bow intermediate rail 3.
In addition, the abutment joint of two parts guide rail needs deck in ship structure position of staggering up and down, i.e.,:Two-part guide rail up and down Abutment joint and deck in ship structure can not in the same horizontal line, with avoid the intersection of weld seam with it is overlapping.For example, two-part up and down The abutment joint of guide rail is arranged at lower decks above 300mm.
The lower mouth of top half guide rail leaves surplus, and building berth is cut when installing.In addition, rail web 4 also leaves surplus, can To measure cutting according to the perpendicularity of bulkhead, perpendicularity, flatness to ensure vertical guide rail etc..
It is the cutting schematic diagram of the vertical guide rail of each position referring to Fig. 2A-Fig. 2 C.
Wherein, Fig. 2A is the cutting schematic diagram of stern guide rail 1.1 point of stern guide rail is top half guide rail and the latter half Guide rail.The lower mouth of top half guide rail leaves 50mm surpluses.It should be noted that in actual applications, the lower mouth of top half guide rail Surplus can be according to actual conditions depending on.
Wherein, Fig. 2 B are the cutting schematic diagrames of bow side guide 2.Bow side guide 2 is also classified into top half guide rail With the latter half guide rail.The lower mouth of top half guide rail leaves 50mm surpluses.It should be noted that in actual applications, top half Depending on the surplus of the lower mouth of guide rail can be according to actual conditions.
Wherein, Fig. 2 C are the cutting schematic diagrames of bow intermediate rail 3.Bow intermediate rail 3 is also classified into top half guide rail With the latter half guide rail.The lower mouth of top half guide rail leaves 50mm surpluses.It should be noted that in actual applications, top half Depending on the surplus of the lower mouth of guide rail can be according to actual conditions.
Further, since vertical guide rail be divide into two parts, therefore vertical guide rail is before welding, can first check guide rail abdomen The groove situation of plate 4, and remove iron rust, oxide skin, greasy dirt, sludge, the paint at weldment joint surface (groove face) and edge With the various debris influential on weldquality such as moisture, influence of the various debris to vertical guide rail installation accuracy is reduced.
Because the present invention devises steel model, first introduced below for steel model.
Steel model is made based on lifting fin keel, and on steel model can also survey draw vertical guide rail and a flipper The related installation position of plate checks line.Steel sample making well after, installed in hull bottom, the installation reference as vertical guide rail.
Specifically, the manufacturing process of steel model is:
Manufacture lifts fin keel first.After lifting fin keel manufacture completion, annealed and stress release.Then, liter is measured The perspective plane for dropping fin keel makes steel model.
Wherein, the steel model is made according to the maximum projection plane of lifting fin keel, and the projection line of lifting fin keel takes lifting The maximum offset of fin keel outer surface, i.e.,:Firm model is the maximum projection plane for lifting fin keel, advantage of this is that so that steel sample Plate and lifting fin keel have maximum similarity on two dimensional surface, can be further ensured that the line of vertical guide rail and install essence Degree.
Make after steel model and check line (i.e., it is necessary to be surveyed on steel model and draw a related installation position:Vertical guide rail and lifting The related installation position of fin keel checks line).3 are please see Figure, is to survey to have drawn the structural representation that related installation position checks line on steel model.
These related installation positions check that line includes:Actual lifting center line, longitudinal centre line, stern guide rail installation position, the One plumb line control point, theory lifting center line/RF95+150 positioning angle square wire tags, apart from the length indication of RF99 walls, stern Installation position, the second plumb line control point, bow intermediate rail below portion intermediate rail center line position, bow side guide lower decks Installation position.These related installation positions check that line can regard mark as, the reference installed and monitored as the line of vertical guide rail scene.
The mark meaning difference of steel model is as follows:
1, longitudinal centre line (the straight line O of steel model2O1).--- located lateral mark of the steel model on planking.
2, theory lifting center line/FR95+150 positioning angle square wire tags (straight line KL), and apart from the length of FR99 walls Sign.--- longitudinal register mark of the steel model on planking.
3, actual lifting centre line marks, actual hoist point (point O).--- (set after lifting fin keel manufacture completion containing scientific investigation It is standby) actual center gravity position.
4, theoretical first plumb line control point (point J) and the second plumb line control point (point H).--- under plumb line is corresponding A vertical point position.
5, stern guide rail installation position, bow intermediate rail center line position (straight line CD), bow intermediate rail installation position, bow Installation position below side guide lower decks.--- installation reference point during guide rail location and installation.
6, other mark points:Point C, D, F.The meaning represented respectively see the table below 1:
Table 1
Point Meaning
C Bow side guide installs reference point, corresponding with the C on bow side guide.
D Bow intermediate rail installs reference point, corresponding with the D in bow intermediate rail.
F Stern guide rail installs reference point, corresponding with the F on stern guide rail.
Specific installation method is described below.
It is specifically as follows before the mounting, it is necessary to which whether the part for checking installation environment and using is got ready:
1, check that guide rail carrys out goods quantity;Length size correctness;Check that locking device carrys out goods quantity.
2, check machined surface linearity≤1.5mm of every guide rail panel 5.
3, check the mark on vertical guide rail, it is to avoid in-site installation mistake.Specifically, it can be designed on vertical guide rail Corresponding mark, for distinguishing other guide rails, such as table 2 is the mark of each guide rail.
Table 2
4, check the size and corresponding line situation of steel model.
Due to foozle, left and right lifting fin keel size is variant, therefore left steel model 8, the right steel model of actual fabrication 9 should have certain difference.Size tolerance requirements ± the 0.5mm of two steel models, profile line style symmetry requirement≤1mm.
Fig. 4 is refer to below, the implementation process of the installation method of the specific vertical guide rail for introducing the present invention.
S1, is rule according to building berth general assembly line in hull bottom.
Before line, it is to be ensured that all sectionalizing joint welding are finished, associated fragment rigging out, bulkhead plate fairing by hot working It is complete, cabin tightness test is had been carried out in lift well, the main equipment of ship's space and weight, which are already equipped with, goes on board, if necessary need to also be in peace Counterweight processing is carried out before dress.
It is the line schematic diagram of hull bottom referring to Fig. 5.
In Figure 5, the line on floor includes the line of hull center, the line of angle square line, larboard lifting fin keel center Line is rule, starboard lifting fin keel center line line.These main effects of ruling are:Installation reference as steel model.
Build error due to actual, body section center line may with building berth general assembly benchmark --- hull center line has one Determine deviation.Therefore, in actual installation, steel model is when installing positioning, and its main reference for installation is (center line, horizontal plane, vertical Face) need to be consistent with building berth general assembly benchmark.
S2, according to line, steel model is installed in hull bottom.
Steel model is installed in the hull bottom, specifically included:
Based on hull center line, angle square line line, larboard lifting fin keel center line line, install left Steel model 8;On the left steel model 8, the corresponding longitudinal centre line of the left steel model 8 and larboard lifting fin keel center Line line is overlapped;Angle square line in the angle square line line and the port side hull plate is overlapped.The angle square line is rule and described The corresponding actual lifting center line of intersection point and the left steel model of larboard lifting fin keel center line line is overlapped;
Based on hull center line, angle square line line, starboard lifting fin keel center line line, install right Steel model 9;On the right steel model 9, on the right steel model 9 in corresponding longitudinal centre line and starboard lifting fin keel The line of heart line is overlapped;Angle square line in the angle square line line and the starboard hull plate is overlapped.The angle square line line and institute The corresponding actual lifting center line of intersection point and the right steel model for stating starboard lifting fin keel center line line is overlapped.
Rule according to floor, steel model is fixed with hull bottom spot welding.
In addition, can be for further processing according to floor line.
First, larboard is lifted into the line of fin keel center line using laser transit and starboard lifts the line point of fin keel center line Each self-corresponding transverse bulkhead is not transitted to, is used as transition center line.
Specifically, larboard is lifted into the line of fin keel center line with laser transit and transits to transverse bulkhead, use laser longitude and latitude Starboard is lifted the line of fin keel center line and transits to transverse bulkhead by instrument.The position of two transverse bulkheads can be FR92 transverse bulkheads and FR98 Transverse bulkhead.
Transition center line is used for instructing to survey drawing guide rail hookup wire (being mainly used in installing web and panel).Completed surveying to draw Afterwards, guide rail hookup wire is parallel on bulkhead with transition center line.Specifically, larboard lifting fin keel center line line correspondence Transition center line be that for being combined with left steel model 8, the corresponding vertical guide rail of left steel model 8 is installed.In starboard lifting fin keel The corresponding transition center line of heart line line is for being combined with right steel model 9, installing the corresponding vertical guide rail of right steel model 9.
Secondly, the line of angle square line is transitted on the bulkhead of left and right using laser transit, and carries out foreign punch mark.Left and right cabin Line on wall is used as the traversal marker on the bulkhead of left and right, according to theoretical distance drafting parallel to the bow side guide of the line Hookup wire.
Specifically, it is to fix left and right steel model 8,9 with hull bottom spot welding respectively, such as Fig. 6, after being fixed Two steel models position view.
For left steel model 8, theoretical lifting center line/FR95+150 positioning angle squares wire tag and ship on steel model The larboard fin keel center line and angle square line of shell lining out are respectively superposed.
For left steel model 9, theoretical lifting center line/FR95+150 positioning angle squares wire tag and ship on steel model The starboard fin keel center line and angle square line of shell lining out are respectively superposed.
S3, based on steel model, determines the plumb line of the latter half guide rail.
Plumb line has actually used wire, and due to there is two plumb line control points on steel model, (the first plumb line is supervised Control point and the second plumb line control point), respective plumb line is installed at each plumb line control point and joined as the installation of guide rail According to.Wherein, the plumb line installed in the first plumb line control point is used as the installation reference of stern guide rail 1.In the second plumb line The plumb line that control point is installed is the installation reference as bow intermediate rail 3 and bow side guide 2.
Accordingly, it would be desirable to which being utilized respectively machine frame installs respective plumb line, plumb line is set to be fixed in space, and can protect Demonstrate,prove the precision of plumb line.Illustrated below exemplified by the plumb line of the first plumb line control point is installed.Second plumb line is supervised The plumb line for controlling point is similar.
Specifically, machine frame can be divided into following several machine frames according to mounting object and the difference of position.
First machine frame, is arranged at upper deck.For example, be arranged on upper deck away from baseline 8900mm at.
Second machine frame, sets alow region.
3rd machine frame, is arranged at fore castle deck.
The main function of machine frame is to lift plumb line, it is ensured that the vertical and precision of plumb line.
The first machine frame and the second machine frame are introduced first below.
The first machine frame is set at upper deck (away from baseline 8900mm) place, in the fin keel opening armature (solder type of outside plate Angle steel) on the second machine frame is set.
Shown in the installation site below figure 7A of first machine frame, shown in the installation site below figure 7B of the second machine frame.
It is the schematic diagram of adjustment plate referring to Fig. 7 C.Wherein, centre bore, the main function of centre bore are provided with adjustment plate It is to be used to run through plumb line, is allowed to nature and passes perpendicularly through centre bore, be then fixed.
And it is determined that during plumb line suspension centre, determining the vertical on the first machine frame according to the transition center line on bulkhead first Line messenger wire point.
Then, adjustment plate spot welding is fixed on the first machine frame, and plumb line is passed through into the adjustment plate at upper deck Centre bore, plumb line is hung to hull bottom.The vertical point in plumb line lower end is moved left and right, adjusted to the first plumb line monitoring for installing model At point, the sagging dot center of plumb line is determined.
The position of vertical line crossing point is determined using " ten " wordline on the second machine frame.The central aperture of adjustment plate is painted " ten " wordline point of intersection of system.The adjustment plate of interior bottom is fixed in spot welding, draws φ 0.5mm wires to be fixed respectively, to determine The installation of plumb line.
The plumb line messenger wire point of first machine frame is that, according to transition center line, horizontal guy plumb line is determined.
Second machine frame determines the position of plumb line crossing point using " ten " wordline.
S4, the plumb line based on steel model and the latter half guide rail installs the latter half guide rail.
Before the mounting, the guide rail hookup wire and plumb line that first can be drawn according to being surveyed on bulkhead, measure guide rail surplus, and mark Guide rail surplus line of cut.Wire cutting guide rail surplus is cut according to actual surplus, and double groove is opened up to guide rail.To the water of guide rail Flat anti-tripping bracket surplus is cut.
The latter half guide rail includes:The latter half guide rail of stern guide rail 1, the latter half of bow side guide 2 Guide rail, the latter half guide rail of bow intermediate rail 3;
The plumb line based on the steel model and the latter half guide rail, installs the latter half guide rail, tool Body includes:
Based on the plumb line, the latter half guide rail of the stern guide rail 1 is lifted and the stern guide rail 1 is welded on Installation position;
Based on the plumb line, the latter half guide rail of the bow side guide 2 is lifted and the bow is welded on Installation position below the lower decks of side guide 2;
Based on the plumb line, the latter half guide rail of the bow intermediate rail 3 is lifted and the stem is welded on Intermediate rail installation position.
Specific step is:
1, stern guide rail 1, bow side guide 2, bow intermediate rail 3 are lifted and put to deep-well respectively.
Put height highly consistent with guide rail actual installation.
2, installed and indicated according to each guide rail on plumb line and steel model, determine the installation site of each guide rail.
Guide rail need to meet following condition when positioning:
(1) stern guide rail 1, bow side guide 2, the panel of bow intermediate rail 3 are met so that guide rail panel 5 and steel sample Plate overlaps deviation≤1mm, plane verticality≤1mm;
(2) the distance between guide rail panel 5 is met.I.e. with fin keel spacing:Bow side guide 2, bow intermediate rail 3 with The spacing of fin keel is 10mm, and stern guide rail 1 is 18mm with fin keel spacing.
(3) each guide rail cutting surplus≤50mm.
According to guide rail hookup wire and vertical wire, guide rail surplus is measured, and mark guide rail surplus line of cut.
3, wire cutting guide rail surplus is cut according to actual surplus, double groove is opened up to guide rail.
4, the horizontal support bracket surplus to guide rail is cut.
5, guide rail is assembled to installation position, spot welding is fixed, every 300mm or so height is set up horse plate and is fixed.Dress Timing should use alkaline low-hydrogen electrode to be welded and fixed.
In welding, it is necessary to do following work:
The groove situation of rail web 4 should be checked before rail welding.
Should be removed before welding the iron rust at weldment joint surface (groove face) and edge, oxide skin, greasy dirt, sludge, paint and The various debris influential on weldquality such as moisture.
Low current, small heat input welding are used during welding.During welding, as far as possible using solid core welding wire welding, to reduce welding Deformation.
When rail web 4 and bulkhead are welded, it should be welded using backstep sequence, back cover again after back root cleaning.
There should be the about 300mm slow weldering in region to lower part guide rails upper end (above and below i.e. every guide rail at abutment joint).
Postwelding should conscientiously remove welding slag, splash etc., and inner side is polished smooth.
After welding is finished, steel wire vertical line and the distance of the upper, middle and lower of guide rail panel 5 should be monitored, that is, considers guide rail deformation Situation.Inspection declaration after 24 hours timeliness of postwelding.
S5, determines the plumb line of top half guide rail.
Adjustment eye plate is placed on the 3rd machine frame (structure is similar with the first machine frame), plumb line passes through adjustment plate Centre bore, fine setting plumb line lower end so that plumb line lower extreme point is overlapped with the centre bore of the adjustment plate of the first machine frame.
Specifically, adjustment plate spot welding is fixed on the 3rd machine frame.Then the suspension centre determined on the 3rd machine frame Place, hangs plumb line to floor, checks whether sag point overlaps with the first vertical money control point on steel model again.If having partially Difference, upper end hoisting point position should be modified in time, the generation of accumulated error is prevented.With φ 0.5mm steel wire rope by the second work Shelve and be connected with the adjustment eye plate centre bore on the 3rd machine frame.Upper part guide rails are installed to be determined with reference to vertical line.
S6, the plumb line based on steel model and top half guide rail, installs part guide rails.
The top half guide rail of bow side guide 2 is actual, and being shaped as by lower end abutment joint of dispatching from the factory upwards, progressively offsets To top (i.e. lower end width is 583mm, a width of 563mm in upper end).The top half guide rail upper end of bow side guide 2 and flipper Plate theory gap is 30mm.And the theoretical gap of the lower end distance elevating fin keel of bow side guide 2 is 10mm.
The top half guide rail includes:The top half guide rail of stern guide rail 1, the top half of bow side guide 2 Guide rail, the top half guide rail of bow intermediate rail 3;
The plumb line based on the steel model and the top half guide rail, installs the top half guide rail, tool Body includes:
Based on the plumb line, the top half guide rail of the stern guide rail 1 and the lower half of the stern guide rail 1 are welded Divide guide rail;
Based on the plumb line, the top half guide rail and the bow side guide 2 of the bow side guide 2 are welded The latter half guide rail;
Based on the plumb line, the top half guide rail and the bow intermediate rail 3 of the bow intermediate rail 3 are welded The latter half guide rail.
According to plumb line, it is determined that upper part guide rails surplus.Surplus line is marked on rail web 4.
Guide rail surplus is cut, scene opens up guide rail groove.
Horizontal bracket surplus is cut.
Vertical guide rail is assembled in spot welding, and horse plate is highly set up every about 300mm and is fixed.Alkaline low-hydrogen should be used during assembling Welding rod.
The welding of upper part guide rails is identical with the welding method of the latter half guide rail, will not be repeated here.
It should be noted that upper and lower rails junction can not have obvious knuckle phenomenon, if there is obvious knuckle, it should be corrected.
Upper rail panel, lower guideway panel weld seam should postwelding polish.
Guide rail panel after having welded, should check its surface linearity, check and the mark on steel model (installation model) Remember the spacing of point, and confirmed by device service engineer scene.
, can be while welding, while the distance between monitoring vertical guide rail and wire, inspection in order to ensure the quality of welding Look into its thermal deformation situation.And when rail web 4 and bulkhead are welded, for reduction welded stress deformation, can be moved back using segmentation Welding method is welded, back cover again after back root cleaning.
By one or more embodiment of the present invention, the invention has the advantages that or advantage:
The invention discloses a kind of vertical guide rail erecting and welding method, including:Entered according to building berth general assembly line in hull bottom Row line;According to the line, steel model is installed in the hull bottom;Wherein, the area of the steel model is the lifting The maximal projection area of fin keel;Based on the steel model, the plumb line of the latter half guide rail is determined;Based on the steel model With the plumb line of the latter half guide rail, the latter half guide rail is installed;Determine the plumb line of the top half guide rail; Plumb line based on the steel model and the top half guide rail, installs the top half guide rail.By by vertical guide rail It is divided into two parts to be respectively mounted, and devises steel model and plumb line as the installation reference of vertical guide rail, it is possible to increase hangs down The installation accuracy of straight guide, the success rate of installation is high, and wide adaptation range, can be generally applicable to various large-scale vertical guide rails It is accurately positioned and installation.
Although having been described for the preferred embodiment of the application, one of ordinary skilled in the art once knows substantially Creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to bag Include preferred embodiment and fall into having altered and changing for the application scope.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies Within, then the application is also intended to comprising including these changes and modification.

Claims (9)

1. a kind of vertical guide rail erecting and welding method, it is characterised in that the vertical guide rail includes top half guide rail and lower half Part guide rails, methods described includes:
Rule according to building berth general assembly line in hull bottom;
According to the line, steel model is installed in the hull bottom;Wherein, the steel model is the maximum based on lifting fin keel Perspective plane, which makes, to be obtained;
Based on the steel model, the plumb line of the latter half guide rail is determined;
Plumb line based on the steel model and the latter half guide rail, installs the latter half guide rail;
Determine the plumb line of the top half guide rail;
Plumb line based on the steel model and the top half guide rail, installs the top half guide rail;Wherein, the steel Relevant bits on model check that line includes:Actual lifting center line, longitudinal centre line, stern guide rail installation position, bow side is led Installation position below rail lower decks, stem intermediate rail installation position, the first plumb line control point, the second plumb line control point.
2. the method as described in claim 1, it is characterised in that the line includes:Hull center is rule, the line of angle square line, Larboard lifting fin keel center line line, starboard lifting fin keel center line line.
3. method as claimed in claim 2, it is characterised in that described according to the line, steel is installed in the hull bottom Model, is specifically included:
Based on hull center line, angle square line line, larboard lifting fin keel center line line, left steel sample is installed Plate;On the left steel model, the left corresponding longitudinal centre line of steel model and larboard lifting fin keel center line line Overlap;Angle square line line reality corresponding with intersection point and the left steel model that the larboard lifts the line of fin keel center line Center line is lifted to overlap;
Based on hull center line, angle square line line, starboard lifting fin keel center line line, right steel sample is installed Plate;On the right steel model, corresponding longitudinal centre line and starboard lifting fin keel center line are drawn on the right steel model Line is overlapped;Angle square line line reality corresponding with intersection point and the right steel model that the starboard lifts the line of fin keel center line Border lifting center line is overlapped.
4. method as claimed in claim 2, it is characterised in that rule described according to building berth general assembly line in hull bottom Afterwards, methods described also includes:
Larboard is lifted into the line of fin keel center line using laser transit and starboard lifts the line of fin keel center line and transitted to respectively Each self-corresponding transverse bulkhead, is used as transition center line.
5. method as claimed in claim 4, it is characterised in that described to be based on the steel model, determines that the latter half is led The plumb line of rail, is specifically included:
Based on the transition center line, the plumb line messenger wire point on the first machine frame is determined;
By the plumb line through the centre bore of the adjustment plate on first machine frame, the plumb line is hung to hull bottom;
The vertical point of the plumb line lower end is adjusted to the first plumb line control point and fixed.
6. method as claimed in claim 5, it is characterised in that after the plumb line is hung to hull bottom, methods described is also wrapped Include:
The position of vertical line crossing point is determined on the second machine frame, and the plumb line is passed through on second machine frame Adjustment plate, then the plumb line is fixed.
7. method as claimed in claim 6, it is characterised in that the latter half guide rail includes:The lower half of stern guide rail Divide guide rail, the latter half guide rail of bow side guide, the latter half guide rail of bow intermediate rail;
The plumb line based on the steel model and the latter half guide rail, installs the latter half guide rail, specific bag Include:
Based on the plumb line, the latter half guide rail of the stern guide rail is lifted and is welded on the stern guide rail and is installed Position;
Based on the plumb line, the latter half guide rail of the bow side guide is lifted and is welded on the bow side and is led Installation position below rail lower decks;
Based on the plumb line, the latter half guide rail of the bow intermediate rail is lifted and is welded in the middle of the stem and is led Rail installation position.
8. method as claimed in claim 7, it is characterised in that the plumb line of the determination top half guide rail, specifically Including:
Make the plumb line through the centre bore of the adjustment plate on the 3rd machine frame so that the plumb line lower extreme point and the first work The centre bore for the adjustment plate shelved is overlapped.
9. method as claimed in claim 8, it is characterised in that the top half guide rail includes:The first half of stern guide rail Divide guide rail, the top half guide rail of bow side guide, the top half guide rail of bow intermediate rail;
The plumb line based on the steel model and the top half guide rail, installs the top half guide rail, specific bag Include:
Based on the plumb line, the latter half of the top half guide rail and the stern guide rail that weld the stern guide rail is led Rail;
Based on the plumb line, the top half guide rail of the bow side guide and the lower half of the bow side guide are welded Part guide rails;
Based on the plumb line, the top half guide rail of the bow intermediate rail and the lower half of the bow intermediate rail are welded Part guide rails.
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CN107323609B (en) * 2017-06-28 2019-02-19 广船国际有限公司 A kind of flipper block method of construction
CN108189971B (en) * 2017-12-25 2019-10-11 沪东中华造船(集团)有限公司 A kind of installation method of rolling dress removable deck guide rail structure
CN109945755B (en) * 2019-03-15 2021-02-02 沪东中华造船(集团)有限公司 Measuring tool is used in installation of fin lift guide rail
CN110001866B (en) * 2019-03-15 2021-05-28 沪东中华造船(集团)有限公司 Mounting and detecting method of lifting fin guide rail
CN110182299A (en) * 2019-04-15 2019-08-30 沪东中华造船(集团)有限公司 A kind of accuracy control method of hull flipper guide rail location and installation
CN110406630B (en) * 2019-07-23 2020-11-06 江南造船(集团)有限责任公司 Installation equipment and installation method of marine surrounding well assembly
CN110696961B (en) * 2019-09-09 2020-12-22 中国船舶工业集团公司第七0八研究所 Multi-beam equipment installation device and disassembly and assembly method thereof

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