CN109552555A - A kind of segmentation division methods for from the cutter suction dredger that navigates - Google Patents
A kind of segmentation division methods for from the cutter suction dredger that navigates Download PDFInfo
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- CN109552555A CN109552555A CN201811263942.3A CN201811263942A CN109552555A CN 109552555 A CN109552555 A CN 109552555A CN 201811263942 A CN201811263942 A CN 201811263942A CN 109552555 A CN109552555 A CN 109552555A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
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Abstract
The present invention discloses a kind of segmentation division methods of cutter suction dredger.This method focuses on to consider the design feature and installation requirement of dredger, and twisted point region, main engine foundation and dredge pump base region above and below piling bar trolley track region, gantry are divided in a segmentation, avoids the big seam of annular；Slot corner and orbital region, tail structure fluting corner, portal frame bottom, large deck opening corner of fore body piling bar trolley is avoided into segmented seam, thereby guarantee that in building course and build meet the required precision of fore body piling bar trolley track after completion, gantry closes up required precision between required precision, bridge trunnion, the Structural strength calls of dredge pump pedestal and main generator pedestal, fore body piling bar slot area intensity requirement.
Description
Technical field
The present invention relates to ocean dredging engineer equipment and large ship construction applications, relate more specifically to a kind of for boat certainly
The segmentation division methods of cutter suction dredger.
Background technique
The appearance of sectional shipbuilding method is a milestone of shipbuilding technology.From this, segmentation is divided and is become as shipbuilding
Basic skills.How body section, which divides, to directly influence the entire building course of ship, to the construction period of ship, builds
Significant impact will all be generated by making quality and construction cost.Therefore, division of hull method, which becomes, formulates shipbuilding scheme
And build the principal element of policy.
During shipbuilding, just need to be segmented simultaneously in technique preparation stage and detailed design phase initial stage
The design work of division, and the result that segmentation divides is brought into detailed design figure.Segmentation divides work and necessarily comprehensively considers
Various aspects factor, especially to consider ship equipment and design feature, equipment precision requirement, construction period, build guality, with
And construction cost etc..
Cutter suction dredger is the soil that loose river bed or seabed are twisted using the reamer that is rotating, with cement mixing at mud,
The pump housing is sucked by dredging tube and is sent by sludge pipe to sludge discharging area.When cutter suction dredger is constructed, dredge, defeated mud and dump all
It is integration, itself is completed, and production efficiency is higher.
Existing cutter suction dredger is mainly by parts such as main hull, piling bar trolley, gantry and superstructure living areas
Composition.Portal structure is connect by connecting shaft with main hull structure, and portal structure can be rotated around connecting shaft relative to main hull.Bridge
Reamer head is arranged in frame end portion, is dredged by the rotation of reamer head.According to seabed (river bed) depth, gantry at a certain angle with
Sea bed (riverbed) contact；It casts anchor from stern to two sides, by drawing anchor that dredger is made to carry out fan-shaped swing.In cutter suction dredger work
When making, piling bar trolley stretches out piling bar to seabed (river bed), thus fixed hull.Piling bar trolley can make to dredge by hydraulic mechanism
Ship is moved forward and backward.
It twists suction and twists to inhale ship the device is complicated and determine that the structure type of cutter suction dredger is complicated.Therefore, in hull point
The equipment and design feature and installation requirement of cutter suction dredger must be taken into consideration in section when dividing, make each point of division of hull
Section meets structural strength code requirement and accuracy specifications requirement.
Summary of the invention
The object of the present invention is to provide a kind of segmentation division methods for from the cutter suction dredger that navigates.The segmentation division side
Method focuses on to consider the design feature and installation requirement from the cutter suction dredger that navigates, while also considering the reasonable of construction technology
The factors such as property, shipyard lifting transport capacity, steel utilization ratio, production security, harmony, thereby guarantee that in building course and
Meet the required precision of fore body piling bar trolley track after construction completion, gantry closes up required precision between required precision, bridge trunnion, mud
The Structural strength calls of pump mount base and main generator pedestal, fore body piling bar slot area intensity requirement.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of segmentation division methods for the body section from boat cutter suction dredger, in which: twist suction from boat and dredge
Ship includes main hull, piling bar trolley, gantry and superstructure living area, main hull include upper deck layer, main deck layer, in
Between deck layer and inner bottom plating layer；The fore body and stern of main hull are equipped with fluting；The setting of piling bar trolley is slotted in main hull fore body
Interior, gantry setting is in main hull stern fluting；
Piling bar trolley includes main piling bar trolley and auxiliary piling bar trolley, and main hull stem structure is internally provided with main piling bar trolley
Walking track, main piling bar trolley and auxiliary piling bar trolley make to realize from the cutter suction dredger that navigates by hydraulic mechanism to be moved forward and backward, master
Piling bar trolley and auxiliary piling bar trolley respectively include main piling bar and auxiliary piling bar, in cutter suction dredger operation, the main hull bow
The main piling bar trolley in portion is slotted by fore body is inserted into the main piling bar of seabed insertion, and the main piling bar on trolley is work piling bar, is being dredged
Main steel column is inserted in river bottom when operation, is the rotational positioning point of hull vibration.The effect of auxiliary piling bar is when working piling bar displacement
For temporarily positioning hull, the moved ahead piling bar that needs after a trolley walking oil cylinder effective travel to work of hull lifts off river bottom
Prepare displacement, auxiliary piling bar is delegated to the fixed accommodation in river bottom at this time, and work piling bar is pulled to trolley by walking oil cylinder in company with trolley and exists
Rear limit point in fluting after then transferring good berth piling bar, then auxiliary piling bar is lifted, and then starts next trolley stroke
Dredging operation is achieved in the displacement of cutter suction dredger；
Gantry is connect by trunnion with main hull, and is rotated by trunnion relative to main hull, and the gantry setting is upper and lower
Two twisted points, the end of gantry are provided with reamer；
Main hull fore body starboard side is provided with piling bar door；
The segmentation division methods the following steps are included:
S1: dividing the design feature and installation requirement of G- Design specification and dredger according to body section and block, will
Main hull is divided into 96 segmentations；Wherein:
Upper deck includes: fore body FD31P/S, FD32P/S, FD41P/S, FD33C, FD51；Middle part and stern DH11P/S,
DH12P/S,DH13P/S,DH15P/S,DH16P/S,DH17P/S,DH18P/S,DH13C；
Main deck includes: fore body FD21P/S, FD22P/S, FD41P/S, FD23C, FD51；Middle part MD11P/S, MD12P/
S,MD13P/S,MD14P/S,MD15P/S,MD11C,MD12C,MD13C,MD14C,MD15C；Stern AD11P/S, AD22P/S,
AD32P/S,AD52P/S,AD41P/S,AD42C；
Between deck includes: fore body FD11P/S, FD12P/S, FD13C, FD51；Middle part ED11P/S, ED12P/S,
ED13P/S,ED14P/S,ED15P/S,ED11C,ED12C,ED13C；Stern AD21P/S, AD31P/S, AD41P/S, AD51P/
S,AD41C；
Inner bottom plating includes: fore body FD11P/S, FD12P/S, FD13C；Middle part ED11P/S, ED12P/S, ED13P/S,
ED14P/S,ED15P/S,EB11C,EB12C,EB13C；Stern AD21P/S, AD31P/S, AD41P/S, AD51P/S, AD41C；
Portal frame segmentation includes AG11；
Living area area segmentation includes PD11, PD21, PD31, PD41, PD51；
S2: the design feature and installation requirement of G- Design specification dredger are divided according to body section and block, makes piling bar
The big seam of annular is avoided in twisted point, main engine foundation, the Structure stress concentrated area at dredge pump pedestal up and down for trolley track, gantry；Its
In:
It is a segmentation by main piling bar trolley track region division；
Will the upper and lower trunnion point region division of main hull corresponding with the upper and lower twisted point of gantry in the same segmentation, and be
Independent half three dimensional unit；
Dredge pump base region is divided in a complete double bottom block,
By main engine foundation region division in a complete double bottom block,
Steering engine pedestal and stern tube shaft are divided in an independent segmented AD21P/S, which extends to interior between deck
Bottom plate,
S3: the design feature and installation requirement of G- Design specification dredger are divided according to body section and block, makes deck
Big opening corner, main engine foundation stringers end, tail portion portal structure fluting corner, portal frame bottom, fore body piling bar trolley fluting
Segmented seam is avoided in the segmentation of the Ship Structure region of stress concentration of corner and track, wherein；
Portal frame main structure on upper deck layer is divided into complete independent segmented, guarantee portal frame integral strength；
Large deck opening corner in upper deck layer is arranged in non-segmentation seaming position；
The corner of stern portal structure fluting in upper deck, main deck, between deck, inner bottom plating layer is arranged overstepping one's bounds
Section seaming position；
Fore body piling bar trolley fluting corner in main deck, between deck, inner bottom plating layer is arranged in non-segmented seam position
It sets；
By between deck layer dredge pump aperture and host aperture corner be arranged in non-segmentation seaming position.
In segmentation division methods according to the present invention, the design feature of dredger includes hull bow stern fluting, gantry
The trunnion hole of trunnion and main hull, piling bar trolley track, dredge pump pedestal and main engine foundation, gantry frame structure；
Installation requirement includes that gantry Integral transporting to main hull is installed, the peace between gantry and the bearing and trunnion of main hull
Gap is filled within 1.5mm.
In segmentation division methods according to the present invention, body section and block divide the big seam of G- Design code requirement annular
The forced position for being arranged in hull overall strength or local strength is avoided, the region that structural stress is concentrated avoids arrangement segmented seam.
In segmentation division methods according to the present invention, the benchmark section of 96 segmentations is the segmentation EB12C in dredge pump region.
In segmentation division methods according to the present invention, the external width that harbor deck is segmented MD11P/S-MD15P/S is used
Width is the steel plate of 3600mm.
In segmentation division methods according to the present invention, the gantry long 46 meters, wide 8 meters, high 8-11, including weight of equipment exist
1600 tons of interior gross weight.
In segmentation division methods according to the present invention, which is characterized in that the upper twisted point of the gantry realizes most shallow cut deep 6.5
The lower twisted point of rice, the gantry realizes 35 meters of maximum dredging depth.
In segmentation division methods according to the present invention, piling bar trolley track is U-rail, and trajectory accuracy is major-minor in ± 2mm
The major-minor piling bar of piling bar trolley is respectively 2.2 meters of diameter, long 55 meters of the solid steel column of tip, 185 tons of weight.
In segmentation division methods according to the present invention, the cabin region on inner bottom plating layer is divided into three regions, it is right respectively
It should be in auxiliary pump room, main pump cabin, cabin.In segmentation division methods according to the present invention, major-minor piling bar trolley track region divides one into
A segmentation FD41P/S, the segmentation extend between deck from upper deck layer；
The upper and lower trunnion point region division of main hull is a segmentation AD41P/S, which extends to ship from main deck
Bottom.
Present invention process method is completely according to the equipment and design feature and installation requirement from boat cutter suction dredger, therefore
The entire construction period for shortening ship, improves build guality, reduces construction cost.Meet in building course and after completion
The required precision of fore body piling bar trolley track, gantry close up required precision, required precision between bridge trunnion, make dredge pump pedestal,
Nearby structural strength meets code requirement to main generator pedestal, and fore body piling bar slot area and stern slot area intensity meet rule
Model requirement.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is the General Arrangement from the cutter suction dredger that navigates of the invention；Wherein piling bar trolley is arranged in hull fore body, bridge
Frame is arranged in hull stern.Living area is arranged on upper deck layer.Dredge pump and host are arranged on hull inner bottom plating layer.
Fig. 2 (a) is the side view from the gantry in boat cutter suction dredger of the invention, and Fig. 2 (b) is the walking of piling bar trolley
Track.
Fig. 3 (a) is the segmentation division figure of the body section from boat cutter suction dredger of the invention；Fig. 3 (b) is its centered rudder
The partial enlarged view of machine and stern tube shaft segmentation AD21P/S and the portal frame place segmentation AG11 part；Fig. 3 (c) is wherein harbor deck
The partial enlarged view of part where being segmented MD11P/S-MD15P/S.
Fig. 4 (a) is the segmentation division figure of the upper deck from boat cutter suction dredger of the invention；Fig. 4 (b) is piling bar trolley
The partial enlarged view of the part of segmentation FD41P/S where track and piling bar door segmentation FD51, segmentation where piling bar trolley track
FD41P/S extends between deck from upper deck；Piling bar door is segmented FD51 and extends to inner bottom plating from upper deck；Suction is twisted to dig
Slot area is that piling bar trolley is arranged and travel region, the region extend to outer bottom from upper deck among the fore body of mud ship
Plate；
Fig. 5 (a) is the segmentation division figure of the main deck from boat cutter suction dredger of the invention；Fig. 5 (b) be on gantry
The partial enlarged view of the corresponding main hull of the lower trunnion part of trunnion point segmentation AD41P/S up and down, the part from main deck always
Extend to hull bottom；Gantry is arranged among stern in slot area, and slot area extends to outer from upper deck among stern
Bottom plate.
Fig. 6 (a) is the segmentation division figure of the between deck from boat cutter suction dredger of the invention；Fig. 6 (b) is steering engine institute
Partial enlarged view in the part of segmentation AD21P/S, which extends to hull bottom between deck；Steering engine is arranged between deck
On.Intermediate opening area in the middle part of main hull is dredge pump and host aperture in cabin.
Fig. 7 (a) is the segmentation division figure of the inner bottom plating from boat cutter suction dredger of the invention；Fig. 7 (b) is host place
The partial enlarged view of the part of segmentation EB12C where dredge pump is segmented in EB13C and cabin.
Fig. 8 is the superstructure living area of main hull, including the deck A-D, navigation deck and compass deck；
Fig. 9 is dredge pump and host layout drawing in cabin；It is inside cabin area in the middle part of the figure, is divided into three regions, i.e. dredge pump cabin, mud
Pump motor cabin and engine space.
Figure 10 is the fragment number and its fragment size of 96 segmentations of cutter suction dredger.
In attached drawing: 1 is segmented region for harbor deck；2 are segmented region for portal frame；3 be steering engine and stern tube shaft point
Section region；4 be piling bar trolley track place sectional area；5 are segmented region for piling bar door；6 be ear above and below main hull
Axis point is segmented region；The region that 7 segmentation and dredge pump places where host are segmented.
Specific embodiment
Technical solution of the present invention is specifically described below in conjunction with Figure of description.
Describe detailed features and advantage of the invention in detail in a specific embodiment below, content is enough to make any
Skilled in the art realises that technology contents of the invention and implementing accordingly, and according to specification disclosed by this specification, power
Benefit requires and attached drawing, skilled person readily understands that the relevant purpose of the present invention and advantage.
Segmentation division methods according to the present invention are directed to large-scale from boat cutter suction dredger.Ship bow part of dredging setting
Main and auxiliary piling bar trolley, auxiliary piling bar door is arranged in topside, therefore the fore body of dredger is equipped with fluting, and winner's piling bar is made to be inserted into seabed.Bow
Portion's inside configuration is with piling bar trolley walking track, and piling bar trolley walks track as U-rail, and trajectory accuracy requires to arrive ± 2mm.
Main hull can be such that dredger is moved forward and backward by track.Gantry is arranged in dredger stern, installs trunnion on gantry, passes through trunnion
It is inserted into the bearing and locking device being mounted on main hull and is connect with main hull, therefore main hull stern also is provided with slotting, bridge
Frame is integrally inserted into this fluting.
When cutter suction dredger works, dredge pump and Generator Vibration are very big, therefore are equipped with below dredge pump compared with strong structure form
Dredge pump pedestal, be also equipped with the main engine foundation compared with strong structure form below generating set.Gantry is erected at the stern of dredger,
The top of gantry fluting.Portal frame has the effects that landing gantry, support gantry, support reamer maintenance platform.
Therefore, the segmentation division methods according to the present invention for from the cutter suction dredger that navigates, in division of hull
Consider fore body fluting, trunnion hole, piling bar trolley track, dredge pump pedestal, host base on stern fluting, bridge trunnion, main hull
The design feature and equipment precision requirement of seat, gantry frame structure etc..
Fig. 1 is the General Arrangement from the cutter suction dredger that navigates of the invention.
As shown in Figure 1, cutter suction dredger according to the present invention includes that main hull, piling bar trolley, gantry and upper layer are built
Build living area, in which: main hull includes upper deck layer, main deck layer, between deck layer and inner bottom plating layer.The fore body of main hull and
Stern is equipped with fluting.
The overall length of cutter suction dredger is 27.8 meters wide up to 140.0 meters, 121.5 meters of length of hull.
One of the present invention and the difference of existing cutter suction dredger are；Piling bar trolley is arranged in main hull fore body, and bridge
Frame is arranged in main hull stern.Since the gantry of installation reamer head is mounted on the stern of main hull, greatly reduce from boat
The cutter suction dredger vibration of hull by slamming in navigation, advantageously ensures that the safety of Ship Structure.
Fig. 2 (a) shows the side view of the gantry of main hull stern.According to the present invention, gantry long 46 meters, wide 8 meters, high 8-
11, the total weight including equipment is up to 1600 tons.
The present invention and existing cutter suction dredger another difference is that: upper and lower two twisted points are arranged in gantry of the invention,
It wherein realizes that 6.5 meters of most shallow cuts are deep by upper twisted point, and 35 meters of maximum dredging depths is realized by lower twisted point.Gantry is arranged in reamer
End, reamer diameter are 3.5 meters.
The present invention and the another difference of existing cutter suction dredger are: gantry passes through the cooperation jacking of hoist engine mode of traction
During trolley is slotted from Integral transporting on dock track to main hull stern.Gap between gantry and hull is within 13mm.
Gantry is connect by trunnion with main hull, and is rotated by trunnion relative to main hull.
Fig. 2 (b) shows the piling bar trolley walking track of main hull fore body.
According to embodiments of the present invention, piling bar trolley includes main piling bar trolley and auxiliary piling bar trolley.Main hull stem structure is set
It is equipped with main piling bar trolley walking track, piling bar trolley walks track as U-rail.Major-minor piling bar trolley is made certainly by hydraulic mechanism
The cutter suction dredger that navigates is moved forward and backward.Major-minor piling bar trolley respectively includes main piling bar and auxiliary piling bar.Main piling bar passes through main hull bow
Portion fluting insertion seabed.Main piling bar and auxiliary piling bar are respectively 2.2 meters of diameter, long 55 meters of the solid steel column of tip, 185 tons of weight.
Fig. 4 (a), 5 (a), 6 (a) show the auxiliary piling bar door that main hull fore body starboard side is arranged in, which can open
It opens and is closed.This feature constitutes the another difference of the present invention with existing cutter suction dredger.When required by the opening piling bar
Door makes auxiliary steel column insertion river bottom.
G- Design specification is divided according to body section/block, and the big seam of annular should avoid being arranged in hull always strong as far as possible
Degree or the forced position of local strength.
Of the invention from boat cutter suction dredger, twisted point, main engine foundation, dredge pump above and below piling bar trolley track, gantry
It is hull overall strength or the forced position of local strength at pedestal, ship beam section mutation, therefore, above-mentioned position should avoid arranging
The big seam of annular.
In addition, dividing G- Design specification, the region that structural stress is concentrated, such as large deck opening according to body section/block
Corner, upper layer end, the main engine foundation stringers end etc. built, Ying Jinliang avoids arrangement segmented seam.
Of the invention from boat cutter suction dredger, corner, main engine foundation stringers end, the tail portion knot of large deck opening
Structure slot corner at, portal frame bottom, fore body piling bar trolley fluting corner at and orbital region be structural stress concentrate area
Domain, therefore, these regions should also be as avoiding arrangement segmented seam.
Fig. 3 is the segmentation division figure of the body section of cutter suction dredger of the invention.
Main hull is divided into upper deck layer, main deck layer, between deck layer and inner bottom plating layer.
The fore body fluting of main hull is from upper deck until the fore body of main hull is arranged in Outer Bottom Plating, piling bar trolley.
The stern fluting of main hull is from upper deck until Outer Bottom Plating, gantry are integrally inserted into the fluting of main hull stern.
Gantry is erected at the top of main hull stern, gantry fluting.Portal frame has landing gantry, support gantry, support
The effects of reamer maintenance platform.
Segmentation division methods of the invention divide the structure of G- Design specification and dredger according to body section and block
Dredger is divided into 96 segmentations by feature and installation requirement altogether, in which:
Upper deck includes: fore body FD31P/S, FD32P/S, FD41P/S, FD33C, FD51；Middle part and stern DH11P/S,
DH12P/S,DH13P/S,DH15P/S,DH16P/S,DH17P/S,DH18P/S,DH13C；
Main deck includes: fore body FD21P/S, FD22P/S, FD41P/S, FD23C, FD51；Middle part MD11P/S, MD12P/
S,MD13P/S,MD14P/S,MD15P/S,MD11C,MD12C,MD13C,MD14C,MD15C；Stern AD11P/S, AD22P/S,
AD32P/S,AD52P/S,AD41P/S,AD42C；
Between deck includes: fore body FD11P/S, FD12P/S, FD13C, FD51；Middle part ED11P/S, ED12P/S,
ED13P/S,ED14P/S,ED15P/S,ED11C,ED12C,ED13C；Stern AD21P/S, AD31P/S, AD41P/S, AD51P/
S,AD41C；
Inner bottom plating includes: fore body FD11P/S, FD12P/S, FD13C；Middle part ED11P/S, ED12P/S, ED13P/S,
ED14P/S,ED15P/S,EB11C,EB12C,EB13C；Stern AD21P/S, AD31P/S, AD41P/S, AD51P/S, AD41C；
Portal frame on upper deck layer is segmented AG11；
Living area area segmentation PD11, PD21, PD31, PD41, PD51 on upper deck layer.
As shown in figure 3, being segmented into harbor deck segmentation marked as " MD11P/S-MD15P/S ".Reality according to the present invention
Example is applied, in order to reduce steel plate piece quantity, the outside plate of harbor deck segmentation selects whole steel plate, using special purchasing steel plate,
Steel plate width is 3600mm, and upper sheer strake intensity is thus made to meet design specification requirement, and reduces welding deformation, welding firer's work
It measures.
As shown in Fig. 3 (a), in main hull upper rear, it is segmented into portal frame segmentation marked as " AG11 ", gantry is set up
It sets on upper deck layer, G- Design specification is divided according to body section/block, divide portal frame segmentation into one completely solely
Vertical segmentation, to guarantee portal frame integral strength.
Fig. 4 is the segmentation division figure of the upper deck of cutter suction dredger of the invention.
The segmentation of upper deck layer includes: FD31P/S, FD32P/S, FD41P/S, FD33C, FD51 of fore body；And it is intermediate
With DH11P/S, DH12P/S, DH13P/S, DH15P/S, DH16P/S, DH17P/S, DH18P/S, DH13C of stern.
As shown in figure 4, in hull fore body fluting two sides, marked as being segmented into where piling bar trolley track for " FD41P/S "
Segmentation, which extends between deck from upper deck (see Fig. 4-7).Piling bar trolley track is U-rail, track essence
Degree requirement is very high, needs integral manufacturing.According to embodiments of the present invention, trajectory accuracy is in ± 2mm.It is drawn according to body section/block
Component design specification, piling bar trolley track are divided into half of independent three dimensional unit, and entire orbital region is divided into a segmentation.
Slot area is the region that piling bar trolley is arranged and walked among fore body, is stress at the circular arc type corner in the region
Concentrated area, according to CCS classification society rule, segmented seam should avoid being arranged at circular arc type corner as far as possible.
It is the segmentation of piling bar door marked as " FD51 " at hull fore body starboard side, which extends always from upper deck
To inner bottom plating (see Fig. 4-7).Piling bar door can open and close as needed.G- Design rule are divided according to body section/block
Piling bar door division is independent segmentation by model.
Fig. 5 is the segmentation division figure of the main deck of cutter suction dredger of the invention.
Main deck segmentation includes: FD21P/S, FD22P/S, FD41P/S, FD23C, FD51 of fore body；The MD11P/ at middle part
S,MD12P/S,MD13P/S,MD14P/S,MD15P/S,MD11C,MD12C,MD13C,MD14C,MD15C；The AD11P/ of stern
S, AD22P/S, AD32P/S, AD52P/S, AD41P/S, AD42C are respectively segmented.
As shown in figure 5, in main hull stern slotting position two sides, marked as being segmented on corresponding gantry for " AD41P/S "
The segmentation of trunnion point, the segmentation extend to hull bottom from main deck to the main hull of lower twisted point up and down (see Fig. 5-7).Gantry twists up and down
Dimension precision requirement above and below point and main hull between trunnion point is very high.The installation gap of bearing and trunnion is within 1.5mm.Root
G- Design specification is divided according to body section/block, trunnion point segmentation above and below the main hull is divided in the same segmentation, and
For independent half three dimensional unit.
Slot area is portal structure region among stern, is region of stress concentration at circular arc type corner, according to ship
Body segmentation/block divides G- Design specification, and arrangement should be avoided here in segmented seam.
Fig. 6 is the segmentation division figure of the between deck of cutter suction dredger of the invention.
Between deck segmentation includes: FD11P/S, FD12P/S, FD13C, FD51 of fore body；The ED11P/S at middle part,
ED12P/S,ED13P/S,ED14P/S,ED15P/S,ED11C,ED12C,ED13C；AD21P/S, AD31P/S of stern,
AD41P/S、AD51P/S、AD41C
As shown in fig. 6, being segmented marked as being segmented into where steering engine for " AD21P/S ", the segmentation in the tail portion of between deck
(see Fig. 6 and 7) between deck to inner bottom plating.G- Design specification is divided according to body section/block, by steering engine pedestal and stern tube shaft
Be divided in an independent segmentation, to guarantee that shafting and the bracing wire of rudder system carry out in advance, and check the center line of rudder system with
Center line of shafting intersects situation.Steering engine is arranged between deck.
Dredge pump and host are hung in cabin for convenience of the later period, at the middle part of between deck, including dredge pump aperture and master in cabin
Machine aperture.
Four circular arc type corners of dredge pump aperture and four circular arc type corners of host aperture are region of stress concentration, according to
Body section/block divides G- Design specification, and segmented seam should be avoided to be opened on circular arc type corner just.
Fig. 7 is the segmentation division figure of the inner bottom plating of cutter suction dredger of the invention.
The segmentation of inner bottom plating includes；FD11P/S, FD12P/S, FD13C of fore body；The ED11P/S, ED12P/S at middle part,
ED13P/S,ED14P/S,ED15P/S,EB11C,EB12C,EB13C；AD21P/S, AD31P/S of stern, AD41P/S,
AD51P/S、AD41C。
As shown in fig. 7, being segmented into cabin segmentation where host, master marked as " EB13C " in the medium position of inner bottom plating
Machine is arranged on inner bottom plating, divides G- Design specification according to body section/block, and main engine foundation is divided in one complete pair
In the segmentation of layer bottom.
Segmentation where dredge pump is segmented into cabin marked as " EB12C ", and dredge pump is arranged on inner bottom plating in cabin, according to hull
Segmentation/block divides G- Design specification, and dredge pump pedestal is divided in a complete double bottom block.
Dredge pump area segmentation division EB12C is set as No.1 basic section by segmentation division methods of the invention, the basis point
Section also referred to as positioning segmentation.When hull installation is closed up, can first close up since intermediate benchmark section toward stem and ship stern, then
From lower layer up it is laminated hold together, thus shorten ship construction period.
Fig. 8 is the segmentation division figure in the superstructure living area of main hull, including the deck A, the deck B, the deck C, the deck D,
Navigation deck and compass deck correspond respectively to PD11, PD21, PD31, PD41, PD51 segmentation in Fig. 3 (a).
Fig. 9 is the layout drawing of dredge pump and host in cabin.
It include auxiliary pump room, pump room, cabin in cabin, these three cabins divide three regions into.
Cutter suction dredger according to the present invention, 25843 kilowatts of total installed capacity power, dredge pump transmission power reaches 17,000,000
Watt, long-range conveying capacity reaches 15000 meters.
When cutter suction dredger works, dredge pump and Generator Vibration are very big, therefore are equipped with below dredge pump compared with strong structure
The dredge pump pedestal of form is also equipped with the main engine foundation compared with strong structure form below generating set.
In cutter suction dredger of the invention, the forced position of hull overall strength or local strength includes: piling bar trolley
Track, gantry up and down twisted point, main engine foundation, dredge pump pedestal, at ship beam section mutation.It wraps the structural stress concentrated area of hull
Include: large deck opening corner, main engine foundation stringers end, tail structure fluting corner at, portal frame bottom, fore body piling bar trolley
Fluting corner and track.
Segmentation division methods of the invention avoid arrangement greatly in above-mentioned hull overall strength or local strength's forced position
Girth joint, and arrangement segmented seam is avoided in above-mentioned Ship Structure region of stress concentration.
Figure 10 lists the fragment number and its fragment size of 96 segmentations.
Segmentation division methods of the invention will be divided into altogether 96 segmentations from boat cutter suction dredger hull.
Segmentation division methods of the invention meet body section/block and divide G- Design specification.Strand according to the invention is inhaled
The segmentation division methods of formula dredger, twisted point, main engine foundation, dredge pump pedestal, ship beam section are prominent up and down for piling bar trolley track, gantry
The big seam of annular is avoided at change.At the corner of large deck opening, main engine foundation stringers end, tail structure fluting corner,
At portal frame bottom, fore body piling bar trolley fluting corner and orbital region avoids segmented seam.
The segmentation that segmentation according to the present invention divides is constructed, and can shorten the entire construction period of ship, promotion is built
Quality is made, reduces construction cost, and meet the required precision of fore body piling bar trolley track, gantry closes up required precision, gantry ear
Between centers required precision, nearby structural strength meets code requirement for dredge pump pedestal, main generator pedestal, fore body piling bar slot area and
Stern slot area intensity meets code requirement.
Although this technology is led finally it is pointed out that the present invention is described with reference to current specific embodiment
Those of ordinary skill in domain it should be appreciated that more than embodiment be intended merely to illustrate the present invention, and be not used as to this
The restriction of invention can also make various equivalent change or replacement without departing from the inventive concept of the premise, therefore, as long as
Claims of the present invention range will all be fallen in the variation of above-described embodiment, modification in spirit of the invention
It is interior.
Claims (11)
1. a kind of segmentation division methods for the body section from boat cutter suction dredger, which is characterized in that described to be twisted from boat
Suction Dredger includes main hull, piling bar trolley, gantry and superstructure living area, in which:
The main hull includes upper deck layer, main deck layer, between deck layer and inner bottom plating layer；
The fore body and stern of the main hull are equipped with fluting；The piling bar trolley is arranged in main hull fore body, and the gantry is set
It sets in main hull stern；
The piling bar trolley includes main piling bar trolley and auxiliary piling bar trolley, and the main hull stem structure is internally provided with major-minor steel
Stake trolley walking track, the main piling bar trolley and auxiliary piling bar trolley are made before realizing from the cutter suction dredger that navigates by hydraulic mechanism
After move, the main piling bar trolley and auxiliary piling bar trolley respectively include main piling bar and auxiliary piling bar, in cutter suction dredger operation,
The main piling bar trolley of the main hull fore body is slotted by fore body is inserted into the main piling bar of seabed insertion, is achieved in cutter suction dredger
Fixation and positioning；
The gantry is connect by trunnion with main hull, and is rotated by trunnion relative to main hull, and the gantry setting is upper and lower
Two twisted points, the end of the gantry are provided with reamer；
The main hull fore body starboard side is provided with piling bar door；
The segmentation division methods the following steps are included:
S1: the design feature and installation requirement of G- Design specification and dredger are divided according to body section and block, by main ship
Body is divided into 96 segmentations；Wherein:
Upper deck includes: fore body FD31P/S, FD32P/S, FD41P/S, FD33C, FD51；Middle part and stern DH11P/S,
DH12P/S,DH13P/S,DH15P/S,DH16P/S,DH17P/S,DH18P/S,DH13C；
Main deck includes: fore body FD21P/S, FD22P/S, FD41P/S, FD23C, FD51；Middle part MD11P/S, MD12P/S,
MD13P/S,MD14P/S,MD15P/S,MD11C,MD12C,MD13C,MD14C,MD15C；Stern AD11P/S, AD22P/S,
AD32P/S,AD52P/S,AD41P/S,AD42C；
Between deck includes: fore body FD11P/S, FD12P/S, FD13C, FD51；Middle part ED11P/S, ED12P/S, ED13P/S,
ED14P/S,ED15P/S,ED11C,ED12C,ED13C；Stern AD21P/S, AD31P/S, AD41P/S, AD51P/S, AD41C；
Inner bottom plating includes: fore body FD11P/S, FD12P/S, FD13C；Middle part ED11P/S, ED12P/S, ED13P/S, ED14P/S,
ED15P/S,EB11C,EB12C,EB13C；Stern AD21P/S, AD31P/S, AD41P/S, AD51P/S, AD41C；
Portal frame segmentation includes AG11；
Living area area segmentation includes PD11, PD21, PD31, PD41, PD51；
S2: the design feature and installation requirement of G- Design specification dredger are divided according to body section and block, makes piling bar trolley
The big seam of annular is avoided in twisted point, main engine foundation, the Structure stress concentrated area at dredge pump pedestal up and down for track, gantry；Wherein:
It is a segmentation by main piling bar trolley track region division；
Will the upper and lower trunnion point region division of main hull corresponding with the upper and lower twisted point of gantry in the same segmentation, and be independent
Half three dimensional unit；
Dredge pump base region is divided in a complete double bottom block,
By main engine foundation region division in a complete double bottom block,
By steering engine pedestal and stern tube shaft be divided in one it is independent segmented in,
S3: the design feature and installation requirement of G- Design specification dredger are divided according to body section and block, opens deck greatly
Bicker corner, main engine foundation stringers end, tail portion portal structure fluting corner, portal frame bottom, fore body piling bar trolley fluting corner
And segmented seam is avoided in the segmentation of the Ship Structure region of stress concentration of track, wherein；
Portal frame main structure on upper deck layer is divided into complete independent segmented, guarantee portal frame integral strength；
Large deck opening corner in upper deck layer is arranged in non-segmentation seaming position；
The corner setting of stern portal structure fluting in upper deck, main deck, between deck, inner bottom plating layer is connect in non-segmentation
Stitch position；
Fore body piling bar trolley fluting corner in main deck, between deck, inner bottom plating layer is arranged in non-segmentation seaming position；
By between deck layer dredge pump aperture and host aperture corner be arranged in non-segmentation seaming position.
2. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In,
The design feature of dredger includes trunnion hole, the piling bar trolley rail of hull bow stern fluting, the trunnion of gantry and main hull
Road, dredge pump pedestal and main engine foundation, gantry frame structure；
Installation requirement includes that gantry Integral transporting to main hull is installed, the clipping room between gantry and the bearing and trunnion of main hull
Gap is within 1.5mm.
3. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In,
Body section and block divide the big seam of G- Design code requirement annular and avoid being arranged in hull overall strength or local strength
Forced position, structural stress concentrate region avoid arrangement segmented seam.
4. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In,
The benchmark section of 96 segmentations is the segmentation EB12C in dredge pump region.
5. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In the external width of harbor deck segmentation MD11P/S-MD15P/S uses width for the steel plate of 3600mm.
6. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In the gantry long 46 meters, wide 8 meters, high 8-11 weigh 1600 tons.
7. the segmentation division methods as claimed in claim 4 for the body section from boat cutter suction dredger, feature exist
In the upper twisted point of the gantry realizes that most shallow cut is 6.5 meters deep, and the lower twisted point of the gantry realizes 35 meters of maximum dredging depth.
8. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In, piling bar trolley track be U-rail, trajectory accuracy in ± 2mm, the major-minor piling bar of major-minor piling bar trolley be respectively 2.2 meters of diameter,
Long 55 meters of the solid steel column of tip, 185 tons of weight.
9. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In,
It divides the cabin region on inner bottom plating layer into three isolated areas, corresponds respectively to auxiliary pump room, main pump cabin, cabin.
10. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In in step S2:
Main piling bar trolley track region divides a segmentation FD41P/S into, which extends between deck from upper deck layer；
The upper and lower trunnion point region division of main hull is a segmentation AD41P/S, which extends to hull bottom from main deck.
11. the segmentation division methods as described in claim 1 for the body section from boat cutter suction dredger, feature exist
In in step S2:
Steering engine pedestal and stern tube shaft are divided in segmentation AD21P/S, which extends to inner bottom plating between deck.
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