CN102079365A - Pile driving boat - Google Patents

Pile driving boat Download PDF

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Publication number
CN102079365A
CN102079365A CN2009102379863A CN200910237986A CN102079365A CN 102079365 A CN102079365 A CN 102079365A CN 2009102379863 A CN2009102379863 A CN 2009102379863A CN 200910237986 A CN200910237986 A CN 200910237986A CN 102079365 A CN102079365 A CN 102079365A
Authority
CN
China
Prior art keywords
pile
supporting
hull
driving barge
row
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2009102379863A
Other languages
Chinese (zh)
Inventor
王新明
张健
顾延宾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Electric Co Ltd
Sany Electric Co Ltd Japan
Original Assignee
Sany Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sany Electric Co Ltd filed Critical Sany Electric Co Ltd
Priority to CN2009102379863A priority Critical patent/CN102079365A/en
Publication of CN102079365A publication Critical patent/CN102079365A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24Anchors
    • B63B21/26Anchors securing to bed
    • B63B21/27Anchors securing to bed by suction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/04Guide devices; Guide frames
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056Platforms with supporting legs
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056Platforms with supporting legs
    • E02B2017/0073Details of sea bottom engaging footing
    • E02B2017/0078Suction piles, suction cans

Abstract

The invention discloses a pile driving boat. In the pile driving boat disclosed by the invention, a supporting leg comprises a supporting arm extending in the vertical direction; compared with the prior art, the supporting leg also comprises a supporting platform; the cross section of the supporting platform is larger than that of the supporting arm; the lower end of the supporting arm is fixed with the upper surface of the supporting platform; and the supporting platform with larger cross section, of the supporting leg, can obtain support of a soft soil foundation with larger area, so that larger supporting force can be provided for a boat body, and pile driving operation can be carried out by the pile driving boat on a sea area of the soft soil foundation. A pile driving device of the pile driving boat is provided with mechanisms for adjusting a pile frame, such as an amplitude modulating cylinder, a variable-amplitude winding mechanism, a rotary platform and the like, and the inclined angle and the position of the pile frame can be adjusted according to the need of the pile driving operation, so that the working efficiency of the pile driving boat for the pile driving operation can be improved.

Description

A kind of pile-driving barge
Technical field
The present invention relates to a kind of marine engineering technology, particularly relate to a kind of pile-driving barge that is used for marine guidance piling.
Background technology
Current, marine resources are being developed and utilized in the process, need carry out the construction of some Infrastructure at beach (zone that comprises land and water handing-over such as inland river, inland lake, marsh) or neritic province domain.For example, for making full use of the marine site wind energy, carry out the wind energy turbine set construction in predetermined marine site.Based on the characteristics of marine engineering operation, marine engineering needs the special problem of considering foundation construction, thinks that follow-up construction provides the basis.When carrying out foundation construction, generally obtain the pile foundation that marine engineering is built by pile-driving barge in the predetermined maritime area.As the important machinery of foundation construction, the operating efficiency of pile-driving barge is just determining the length in the whole construction cycle of marine engineering.
Pile-driving barge generally comprises hull, supporting leg and piling equipment.Supporting leg is slidably mounted in the hull periphery, when the needs pile-driving barge is located, by suitable lift system supporting leg is stretched out downwards, reach the seabed always, and be bearing on the ground, for the hull of pile-driving barge provides supporting power, the piling work that pile-driving barge can be scheduled to; Piling equipment comprises the fixedly pile frame of pile, so that pile location, and in predetermined zone pile is sunk to preposition, forms pile foundation.
The process that existing pile-driving barge is driven piles comprises following step:
1, pile-driving barge is refuted the side to the pile transport of pile sinking work area voluntarily and is reached stake, backhauls predetermined pile sinking marine site then.
2,, with the pile-driving barge location, specifically be that elder generation with the pile-driving barge initial alignment, makes heavy the passing through in foundation of sea floor of supporting leg of pile-driving barge, to realize the location of pile-driving barge, for follow-up commentaries on classics stake, pile sinking operation provide the basis with fetch home anchor plate again in predetermined pile sinking marine site.
3, behind the pile-driving barge location, change stake, promptly change the location status of pile, the pile of horizontality is converted to vertical state or predetermined state, for pile sinking provides prerequisite;
4, carry out the pile sinking operation,, pile is applied predetermined application force, pile is sunk in the ground in seabed, form predetermined pile foundation by suitable mechanism.Remove the location then, get stake to the pile sinking work area again, carry out next on-cycle piling work.
There is the deficiency of following aspect in existing pile-driving barge:
One, to be difficult in the seabed be that piling work is carried out in the marine site of soft soil foundation to pile-driving barge.The foundation of sea floor of beach or neritic province domain has silt seam usually, forms soft soil foundation.Please refer to Fig. 1, this figure is the outrigger support of a pile-driving barge of the prior art stressed schematic diagram on foundation of sea floor the time.When the ground in the operation marine site was soft soil foundation, supporting leg 200 just was absorbed in the soft soil foundation 300, and 300 pairs of supporting leg 200 bottoms of soft soil foundation produce two application forces: the one, and to the supporting power F1 of supporting leg 200 bottom surfaces, the 2nd, to the friction force F2 of supporting leg 200 sides; The supporting power that supporting power F1 and friction force F2 sum can provide for hull 100 for this supporting leg 200.Because soft soil foundation 300 has flowing power, when being subjected to the application force of supporting leg 200, the ground particle that is positioned at supporting leg 200 bottom surfaces can be to flowing, at this moment all around, soft soil foundation 300 can't produce bigger application force to the bottom surface of supporting leg 200, and this just makes that supporting power F1 is smaller; Based on same reason, the flowing power of soft soil foundation 300 also makes friction force F2 be very restricted, and therefore, when being soft soil foundation 300 in the operation marine site, supporting leg 200 is difficult to provide bigger supporting power for hull 100; And then, make the piling equipment on the pile-driving barge can't stable operation, piling work is finished in the marine site that is difficult in soft soil foundation.In addition, when supporting leg 200 was transferred to from soft soil foundation 300, friction force F2 can make supporting leg 200 be difficult to transfer to from soft soil foundation 300 with opposite directive effect in supporting leg 200, thereby causes pile-driving barge transition difficulty.
In theory, though can to enlarge supporting leg 200 and soft soil foundation 300 contact surfaces, supporting leg 200 bottoms be extended on the harder ground to increase bearing force F1 always by prolonging the length of supporting leg 200 to increase F2; But can't implement actually, reason is: so not only can cause the leading dimensions of pile-driving barge to increase, increase and make and use cost, and bigger friction force F2 can make supporting leg 200 be difficult to transfer to from soft soil foundation 300, and pile-driving barge can't be cut to.
Two, inefficiency.Existing pile-driving barge generally is to realize the location by strand anchor mode when changeing stake or pile sinking; Position fixing process was longer as the strand positioning of anchor caused driving piles, and had reduced the work efficiency of pile-driving barge.
Summary of the invention
At the problems referred to above, first purpose of the present invention is, a kind of pile-driving barge that can drive piles on soft soil foundation is provided.
Second purpose of the present invention is, provides a kind of efficient of driving piles higher pile-driving barge.
Pile-driving barge provided by the invention comprises hull, piling equipment and a plurality of supporting leg of lateral extension, and described piling equipment comprises pile frame, and described pile frame is installed on the hull, and difference with the prior art is that described supporting leg comprises supporting arm and supporting station; Described supporting arm extends in vertical direction, and can be slidably mounted on the platform body along vertical direction; Described supporting station lateral cross section is greater than the lateral cross section of supporting arm, and the upper surface of described supporting arm lower end and supporting station is fixed.
Preferably, described supporting station comprises that opening is positioned at the cavity of supporting station bottom surface; Pile-driving barge also comprises by what pipeline communicated with described cavity and fills row's pump.
Preferably, described supporting leg also has the row's of filling passage, and this external port of filling row's passage is positioned at the supporting station outside face, and inner port is positioned on the wall of cavity; The described row's pump that fills communicates with the external port of filling row's passage.
Optionally, pile-driving barge also has the row's of filling passage, and this fills the outside face that row's passage external port is positioned at supporting arm, and inner port is positioned on the upper wall surface of cavity; The described row's pump that fills communicates with the external port of filling row's passage.
Preferably, the described row's passage that fills has a plurality of external port that are positioned at the supporting arm side, and a plurality of described external port have different distances with the supporting arm upper end.
Preferably, described piling equipment also comprises the amplitude modulation oil cylinder, crane arm, suspension hook and lifting winding drum; The following hinge of described amplitude modulation oil cylinder one end and described pile frame is hinged, and the other end and hull are hinged, and the crane arm upper end is hinged with the last hinge of described pile frame, and the lower end is installed on the hull, and described upward hinge and following hinge be the top and bottom of close pile frame respectively; Described suspension hook is suspended on the fixed pulley group of pile frame end, and described lifting winding drum is installed on the turntable, and reel links to each other with described fixed pulley group by hoisting wirerope.
Preferably, pile-driving barge also comprises luffing steel rope and luffing winding drum; Described crane arm lower end and hull are hinged; Described luffing winding drum is installed on the hull, and described luffing steel rope one end links to each other with the luffing winding drum, and the upper end of the other end and crane arm is fixed.
Preferably, described piling equipment also comprises turntable, and described pile frame is installed on the turntable, and described turntable is installed on the hull by swing type mechanism, to rotate around a vertical pivot with respect to hull.
Preferably, described piling equipment also comprises the amplitude modulation oil cylinder, crane arm, suspension hook and lifting winding drum, the following hinge of described amplitude modulation oil cylinder one end and described pile frame is hinged, the other end and turntable are hinged, and the crane arm upper end is hinged with the last hinge of described pile frame, and the lower end is installed on the turntable; Described upward hinge and following hinge be the top and bottom of close pile frame respectively; Described suspension hook is suspended on the fixed pulley group of pile frame end, and described lifting winding drum is installed on the turntable, and links to each other with described fixed pulley group by hoisting wirerope.
Preferably, pile-driving barge also comprises luffing steel rope and luffing winding drum; Described crane arm lower end and turntable are hinged; Described luffing winding drum is installed on the turntable, and described luffing steel rope one end links to each other with the luffing winding drum, and the upper end of the other end and crane arm is fixed.
Compared with prior art, in the pile-driving barge provided by the invention, supporting leg also comprise and supporting station that the supporting arm lower end is fixing, and the supporting station lateral cross section is greater than the lateral cross section of supporting arm except the supporting arm that is included in vertical direction and extends; Like this, when piling work is carried out in the predetermined maritime area of soft soil foundation, the supporting station of big lateral cross section just can obtain the support of more large-area soft soil foundation, thereby can provide bigger supporting power for hull, strengthen the stability of pile-driving barge, make pile-driving barge can on the marine site of soft soil foundation, carry out piling work.Simultaneously, because supporting station is positioned at the supporting arm lower end, can makes supporting arm have less lateral cross section, and then make supporting leg keep less overall weight.
In further optimized technical scheme, described supporting station comprises that opening is positioned at the cavity of supporting station lower surface.Like this, when the needs supporting leg sinks to the seabed and be bearing on the soft soil foundation, can reduce pressure to cavity with filling row's pump, make cavity form zone of negative pressure, the empty G﹠W of cavity is discharged, make the supporting station of supporting leg can sink to seawater smoothly, and the particle of soft soil foundation is flowed in the cavity, in the heavy injection soft soil foundation of supporting station, make supporting leg provide supporting power for hull.When the needs supporting leg rises, can pressurize to cavity with filling row's pump, in cavity, charge into water or gas, make to form zone of positive pressure in the cavity, make supporting station under the pressure effect of water or gas, separate with soft soil foundation, and supporting leg is transferred to, thereby make things convenient for the transition of pile-driving barge from soft soil foundation.
In further optimal technical scheme, described supporting station also has external port and is positioned at the supporting station outside face, and inner port is positioned at fills row's passage on the wall of cavity.In this technical scheme, can make and fill row's pump and link to each other by filling row's passage with cavity, convenient to the cavity pressurization with reduce pressure.
In an optional technical scheme, describedly fill the outside face that row's passage external port is positioned at supporting arm, like this, the suitable row's pump that fills just can be set on hull, arrange decompression and the pressurization of pump realization by being positioned at filling of hull, in cavity, form zone of negative pressure or zone of positive pressure cavity.Simultaneously, make inner port be positioned at the upper wall surface of cavity, like this, when supporting leg sank, that the air in the cavity, water can be arranged was cleaner; When supporting leg rises, can charge into air and/or water from cavity top, supporting leg is more successfully risen.
In another technical scheme, the described row's passage that fills has a plurality of external port, and makes a plurality of external port that are positioned at the supporting arm side, and a plurality of described external port have different distances with the supporting arm upper end.Like this, when cavity is pressurizeed and reduces pressure, can be according to actual needs, will fill row's pump and link to each other with suitable external port on the supporting arm, arrange being connected between pump and the external port thereby conveniently fill.
In order to improve the work efficiency of pile-driving barge, in further technical scheme, piling equipment comprises also by swing type mechanism and is installed in turntable on the hull that pile frame is installed on the turntable; The piling equipment of the pile-driving barge that this technical scheme provides can rotate around a vertical pivot with respect to hull, like this, just can in horizontal surface, adjust the contact point of pile and foundation of sea floor, make things convenient for the adjustment of pile position, thereby improve the work efficiency of pile-driving barge by turntable.
In further technical scheme, piling equipment also comprise two ends respectively with pile frame upper part and turntable pivotally attached amplitude modulation oil cylinder, and pile frame upper part and crane arm are hinged.In this technical scheme, under the situation that does not change the hull position, by changing the length of amplitude modulation oil cylinder, can change the angle of inclination of the contact point and the pile of pile and foundation of sea floor, not only can make things convenient for the adjustment of pile position, conveniently, further improve the work efficiency of pile-driving barge, can also improve the pile locating accuracy the location of pile.
More further in the technical scheme, the crane arm lower end is hinged, and pile-driving barge also has the luffing hoisting mechanism, can change the crane arm luffing angle by the luffing hoisting mechanism, i.e. angle between crane arm and the hull; The luffing hoisting mechanism combines with the amplitude modulation oil cylinder, can be under the situation of mobile hull not, further accurately adjust the contact point between pile and the foundation of sea floor and the angle of inclination of pile, and improve the work efficiency of pile-driving barge.
Description of drawings
Fig. 1 is the outrigger support of a pile-driving barge of the prior art stressed schematic diagram on foundation of sea floor the time;
Fig. 2 is the overall construction drawing of pile-driving barge provided by the invention;
Fig. 3 is in the pile-driving barge provided by the invention, the perspective view of first kind of supporting leg;
Fig. 4 is the longitudinal profile structural representation of first kind of supporting leg;
Fig. 5 is the scheme drawing of pile-driving barge positioning states provided by the invention;
Fig. 6 is the another kind of view of pile-driving barge provided by the invention;
Fig. 7 is in the pile-driving barge provided by the invention, the structural representation of second kind of supporting leg;
Fig. 8 is in the pile-driving barge provided by the invention, the structural representation of the third supporting leg;
Fig. 9 is in the pile-driving barge provided by the invention, the structural representation of the 4th kind of supporting leg;
Figure 10 is the construction profile scheme drawing of pile-driving barge provided by the invention;
Figure 11 is that principle schematic is adjusted in piling equipment pile frame position, among the figure, shows the position of pile frame under the virgin state with solid line, has been shown in broken lines through after adjusting the position of pile frame under the mode of operation.
The specific embodiment
Below by description technical scheme provided by the invention is described in detail the specific embodiment.Hereinafter, be reference with the vertical line direction, be the direction parallel vertically with the vertical line direction, be the direction vertical laterally with the vertical line direction.
Please refer to Fig. 2, this figure is the overall construction drawing of pile-driving barge provided by the invention.This pile-driving barge comprises hull 100, a plurality of supporting leg 200, windlass 400 and the piling equipment 500 of lateral extension.Supporting leg 200 is installed in hull 100 peripheries respectively, and windlass 400 is positioned at the position, four angles on hull 100 decks, and piling equipment 500 is installed on hull 100 decks.
Pile-driving barge supporting leg 200 improved core concepts are to increase the area that the supporting leg lower surface contacts with ground, increase the supporting power of foundation of sea floor, when keeping supporting leg weight not produce bigger change, increase the supporting power that supporting leg provides greatly supporting leg.Please refer to Fig. 3 and Fig. 4, Fig. 3 is in the pile-driving barge provided by the invention, the perspective view of first kind of supporting leg, and Fig. 4 is the longitudinal profile structural representation of first kind of supporting leg.
Supporting leg 200 comprises supporting arm 210 and supporting station 220.In this example, supporting arm 210 is to form at the upwardly extending hollow steel tube of vertical side, and supporting station 220 is the tabular body that extends at horizontal direction, and its lateral cross section is greater than the lateral cross section of hold-down arm 210.The lower end of supporting arm 210 and supporting station 220 upper surfaces are fixed.In order to improve reliability of fixation between the two, also be provided with a plurality of leg-of-mutton strengthening ribs 211 between the side of close supporting arm 210 lower ends and supporting station 220 upper surfaces, strengthening rib 211 ends and supporting arm 210 sides are fixed, and bottom surface and supporting station 220 are fixing; A plurality of strengthening ribs 211 are arranged in radially near around supporting arm 210 lower ends.In addition, for the ease of the assembling of supporting leg 200 with hull 100, supporting arm 210 departs from supporting station 220 midways location with the junction of supporting station 220, deflection one side.
In conjunction with Fig. 2, hull 100 is provided with a plurality of sliding sleeves that stretch out laterally 110, is provided with the upwardly extending slideway in vertical line side in the sliding sleeve 110.The supporting arm 210 of a plurality of supporting legs 200 matches with slideway in the sliding sleeve 110 respectively, between supporting arm 210 and sliding sleeve 110, also be provided with the lift system (not shown), on vertical direction, slide with respect to sliding sleeve 110 to drive supporting arm 210, realize that supporting leg 200 rises or descends.Also can realize slidably being connected between supporting arm 210 and the hull 100 by other modes, such as, can the T-shape slide rail be set on supporting arm 210, the T-shape chute that matches with slide rail is set on hull 100, or the like.
Lift system can be the hydraulic actuating cylinder that two ends link to each other with sliding sleeve 110 with supporting arm 210 respectively, with in the hydraulic actuating cylinder elongation or when shrinking, drives supporting arm 210 with respect to sliding sleeve 110 moving on the vertical line direction; Also can be fixing with supporting arm 210 and sliding sleeve 110 respectively, and worm gear that cooperatively interacts and worm screw, can drive the worm gear rotation during worm screw rotation, on the vertical line direction, move with respect to sliding sleeve 110 thereby drive supporting arm 210; Can also be other structures of the prior art, slide with respect to sliding sleeve 110 (hull 100) to drive supporting leg 200.
The process that above-mentioned pile-driving barge is positioned at the predetermined maritime area is as follows.
1, by suitable tractor tug pile-driving barge is pulled to the predetermined maritime area, can be the blower fan erection work district of the marine wind electric field be scheduled to.
2, reach the predetermined maritime area after, by the ship that the casts anchor operation of casting anchor, realize the initial alignment of pile-driving barges again with windlass 400 by the mode of strand anchor.
3, supporting leg is stretched for 200 times, the supporting station 220 of supporting leg 200 is bearing on the foundation of sea floor.Please refer to Fig. 5, this figure is the scheme drawing of pile-driving barge positioning states provided by the invention, in order clearly to illustrate the structure of supporting leg and hull, has omitted piling equipment among this figure.Under this state, the supporting station 220 with big lateral cross section obtains the ground bearing force.When piling work was carried out in the predetermined maritime area of soft soil foundation 300, the supporting station 220 of big lateral cross section can obtain the support of more large-area soft soil foundation 300; Under supporting power F1 and friction force F2 combined action, make supporting leg 200 provide bigger supporting power for hull 100, improve the stability and the reliability of pile-driving barge, make pile-driving barge can stably carry out piling work.Simultaneously, because supporting station 220 is positioned at supporting arm 210 lower ends, supporting arm 210 can keep less lateral cross section, makes supporting leg 200 keep advantages of small integral weight.
In addition, because the variety of marine site ground form in order to enlarge the comformability of pile-driving barge, can be made flat-bottom structure with hull 100 bottom surfaces; Like this, in the more shallow predetermined maritime area of water level or when on beach, carrying out piling work, can make the pile-driving barge stable position by the mode of sitting the beach.
In order to adapt to the changeable characteristics of marine site operating environment, pile-driving barge provided by the invention can also be according to the variation of environment, and the adjusting work state is to adapt to different environment.When water level darker; Stormy waves is less, when pile-driving barge can not be sat the beach, as shown in Figure 5, supporting leg 200 is bearing on the foundation of sea floor, and hull 100 parts are positioned at below the water surface, makes hull 100 be in partially surfaced condition, increases the weight capacity of pile-driving barge.When water level is dark, stormy waves is bigger, when seawater can cause bigger impact to hull 100, the another kind of view of pile-driving barge provided by the invention as shown in Figure 6 can be passed through lift system, and hull 100 is moved up with respect to supporting leg 200; Because supporting leg 200 can provide than big bear power, hull 100 is remained on more than the water surface, thereby can avoid the impact of wave to hull 100, make pile-driving barge keep stable position.
Though above-mentioned supporting leg 200 can provide bigger supporting power for pile-driving barge, satisfies the needs that pile-driving barge carries out piling work, when pile-driving barge is cut to, supporting leg 200 need be transferred to from foundation of sea floor; For convenience of supporting leg 200 and foundation of sea floor, particularly soft soil foundation 300 separates, and the present invention also provides the supporting leg 200 of another kind of structure.
Please refer to Fig. 7, this figure is in the pile-driving barge provided by the invention, the structural representation of second kind of supporting leg.
Compare with first kind of supporting leg, one of difference of second kind of supporting leg is: supporting station 220 comprises that an opening is positioned at the cavity 221 of supporting station 220 bottom surfaces.The principle of work of this supporting leg 200 is: sink at needs supporting leg 200, and when being bearing on the foundation of sea floor, reduce pressure to cavity by the suitable row's pump that fills, discharge the G﹠W in the cavity 221, make and form negative pressure in the cavity 221, supporting leg 200 sinks smoothly, and heavy passing through on the foundation of sea floor, for hull 100 provides supporting power; After predetermined marine operation is finished, when needing supporting leg 200 to separate with soft soil foundation 300, can be with filling row's pump to cavity 221 pressurizations, water-filling or inflation in cavity 221, make to form malleation in the cavity gradually, supporting station 220 is separated with soft soil foundation 300, and then supporting leg 200 is risen smoothly.
Fill row's pump and can be vacuum pump, centrifugal pump or other can be discharged the water and/or the gas of cavity 221, and can in cavity 221, charge into the pump of other structures of water and/or gas.
The concrete mode of filling draining and/or gas can have multiple choices, as shown in Figure 7, among this figure, suitable hole is set as filling row's passage 222 on the top of cavity 221, is used to make water and/or gas in the cavity 221 to discharge, and perhaps charges into water and/or gas in cavity 221; Fill the lower end that row's passage 222 external port are positioned at supporting arm 210, at this moment, delivery pipe 230 1 ends are penetrated from supporting arm 210 upper end open, the lumen by supporting arm 210 with fill row's passage 222 and join, delivery pipe 230 other ends mouthful link to each other with the row that fills who fills row's pump on being positioned at hull 100.Like this, when filling the running of row's pump, just can make cavity 221 interior negative pressure or the malleations of forming, water in the cavity 221 and/or gas are discharged, perhaps in cavity 221, charge into water and/or gas, supporting leg 200 is successfully sunk and rising cavity 221 pressurizations or decompression.
Be positioned at supporting station 220 outside faces as long as be appreciated that the external port of filling row's passage 222, inner port is positioned on cavity 221 walls, just can realize the purpose to cavity 221 pressurizations or decompression.Therefore, fill other parts that the external port of arranging passage 222 also can be positioned at the outside face of supporting station 220; In the pile-driving barge provided by the invention as shown in Figure 8, the structural representation of the third supporting leg, the external port of filling row's passage 222 this moment is between the strengthening rib 211 of supporting station 220 upper surfaces, the row's pump that fills on like this, also can will filling row's passage 222 and be arranged on hull 100 by delivery pipe 230 links to each other; Satisfying under the situation of predetermined condition, can also be set directly on the supporting station 220 filling row's pump.
Optimized technical scheme is, to fill row's pump is arranged on the hull 100, at this moment, for the ease of filling row's pump and filling being connected between row's passage 222, can also make fill row passage 222 have a plurality of external port that are positioned at the supporting arm side, and make a plurality of external port have different distances with the supporting arm upper end, such as making a plurality of external port be arranged on the side of supporting arm 210 along vertical direction; Like this, in practical operation, can select suitable external port to communicate, and make other external port keep sealing with filling row's pump.
For the inner port of filling row's passage 222, optimized technical scheme is positioned on the upper wall surface of cavity 221 inner port, like this, when in cavity 221, forming zone of negative pressure, can more completely water in the cavity 221 and/or gas be discharged, when in cavity 221, forming zone of positive pressure, can more up hill and dale ground particle in the cavity 221 and/or water be removed.
In addition, under specific circumstances, also can not be provided with and fill row's passage, in the pile-driving barge provided by the invention as shown in Figure 9, the structural representation of the 4th kind of supporting leg.In this supporting leg, delivery pipe 230 moves into the cavity 221 from supporting station 220 bottom surfaces, also can realize the purpose to cavity 221 pressurizations and decompression.
Below the structure of the piling equipment in the pile-driving barge is described.
Please refer to Figure 10, this figure is the construction profile scheme drawing of pile-driving barge provided by the invention.The piling equipment 500 of this pile-driving barge comprises pile frame 510, suspension hook 520, crane arm 530, turntable 550 and amplitude modulation oil cylinder 540.Turntable 550 is installed on the hull 100 by swing type mechanism, and can rotate around a vertical pivot with respect to hull 100 under a fluid motor-driven.The following hinge of amplitude modulation oil cylinder 540 1 ends and pile frame 510 is hinged, and the other end and turntable 550 are hinged; The last hinge of crane arm 530 upper ends and pile frame 510 is hinged, and the lower end is hinged on the turntable 550, and the jointed shaft axis of each hinged place is parallel to each other, and it is parallel to be horizontal surface.The last hinge of pile frame 510 and following hinge lay respectively at the position near its top and bottom; Suspension hook 520 is suspended on the fixed pulley group of pile frame 510 top ends.
In addition, piling equipment 500 also comprises lifting hoisting mechanism and luffing hoisting mechanism (not shown).The lifting winding drum of lifting hoisting mechanism is rotatably installed on the turntable 550, and link to each other with the fixed pulley group of pile frame 510 top ends by hoisting wirerope 561, like this, when the lifting winding drum rotates under drive mechanism, can drive the action of fixed pulley group, thereby realize the rising and the decline of suspension hook 520, conveniently get stake, change stake and pile sinking.The luffing hoisting mechanism comprises luffing steel rope and the luffing winding drum that is rotatably installed on the turntable 550, and luffing steel rope 571 1 ends link to each other with the luffing winding drum, and the upper end of the other end and crane arm is fixed; When the luffing winding drum rotates, can drive crane arm 530 with respect to the predetermined angle of hull 100 rotations, change the pitch angle of crane arm 530, to adjust the position of pile frame 510.
Above-mentioned piling equipment can facilitate from three aspects for adjusting the pile position.
First aspect, turntable 550 links to each other with hull 100 by swing type mechanism, whole piling equipment 500 can be rotated in horizontal surface with respect to hull 100, thereby can in horizontal surface, adjust the position of pile frame 510, thereby in horizontal surface, adjust the contact point of pile and foundation of sea floor, realization is to the adjustment of job position, and convenient piling is operated.
Second aspect please refer to Figure 11, and this figure is that principle schematic is adjusted in piling equipment pile frame position, among the figure, shows the position of virgin state pile frame with solid line, has been shown in broken lines through after adjusting the position of mode of operation pile frame.By amplitude modulation oil cylinder 540, even amplitude modulation oil cylinder 540 elongations, distance between the two ends of change amplitude modulation oil cylinder 540, change the degree of dip of pile frame 510, make pile frame 510 from the A0 state exchange to the A1 state, thereby can change the contact position between pile and the foundation of sea floor and the angle of inclination of pile, satisfy the needs of marine foundation work operation.
The 3rd aspect refer again to Figure 11.Crane arm 530 lower ends are hinged, can change the luffing angle of crane arm 530 by the luffing hoisting mechanism, promptly change the angle between crane arm 530 and the hull 100, keep amplitude modulation oil cylinder 540 constant, make pile frame 510 from the A0 state exchange to the A2 state; So also can change the contact position between pile and the foundation of sea floor and the angle of inclination of pile, satisfy the needs of marine foundation work operation.
The above-mentioned second aspect and the third aspect are combined, with reference to Figure 11, the pitch angle of crane arm 530 is increased, amplitude modulation oil cylinder 540 is shunk, can make pile frame 510 from the A0 state exchange to the A3 state, in the contact position that changes between pile and the foundation of sea floor, can also adjust the angle of inclination of pile, thereby from wider, the position of many-sided adjustment pile frame 510 is for the adjustment of pile position provides bigger facility.The combination of above-mentioned three aspects can realize the adjustment of pile frame 510 in all directions; In changeing stake or pile driving process, just can be in bigger scope by turntable 550, amplitude modulation oil cylinder 540 and luffing hoisting mechanism, the position of adjustment pile frame 510 no longer needs by the hinge windlass pile-driving barge to be located repeatedly, thereby can improve the work efficiency of pile-driving barge.
According to foregoing description, be appreciated that in order to obtain the technique effect that above-mentioned second aspect is adjusted pile frame 510, can make amplitude modulation oil cylinder 540 directly and hull 100 hinged; Equally, in order to obtain the adjustment effect of the above-mentioned third aspect, the lower end of crane arm 530 directly is hinged on the hull 100, and the luffing hoisting mechanism is installed on the hull 100 pile frame 510, also can change the pitch angle of crane arm 530, and then adjust the position of pile frame 510.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. pile-driving barge comprises hull, piling equipment and a plurality of supporting leg of lateral extension, and described piling equipment comprises pile frame, and described pile frame is installed on the hull, it is characterized in that, described supporting leg comprises supporting arm and supporting station; Described supporting arm extends in vertical direction, and can be slidably mounted on the platform body along vertical direction; Described supporting station lateral cross section is greater than the lateral cross section of supporting arm, and the upper surface of described supporting arm lower end and supporting station is fixed.
2. pile-driving barge according to claim 1 is characterized in that, described supporting station comprises that opening is positioned at the cavity of supporting station bottom surface; Also comprise by what pipeline communicated with described cavity and fill row's pump.
3. pile-driving barge according to claim 2 is characterized in that described supporting leg also has the row's of filling passage, and this external port of filling row's passage is positioned at the supporting station outside face, and inner port is positioned on the wall of cavity; The described row's pump that fills communicates with the external port of filling row's passage.
4. pile-driving barge according to claim 2 is characterized in that, also has the row's of filling passage, and this fills the outside face that row's passage external port is positioned at supporting arm, and inner port is positioned on the upper wall surface of cavity; The described row's pump that fills communicates with the external port of filling row's passage.
5. pile-driving barge according to claim 4 is characterized in that, the described row's passage that fills has a plurality of external port that are positioned at the supporting arm side, and a plurality of described external port have different distances with the supporting arm upper end.
6. according to each described pile-driving barge of claim 1-5, it is characterized in that described piling equipment also comprises the amplitude modulation oil cylinder, crane arm, suspension hook and lifting winding drum; The following hinge of described amplitude modulation oil cylinder one end and described pile frame is hinged, and the other end and hull are hinged, and the crane arm upper end is hinged with the last hinge of described pile frame, and the lower end is installed on the hull, and described upward hinge and following hinge be the top and bottom of close pile frame respectively; Described suspension hook is suspended on the fixed pulley group of pile frame end, and described lifting winding drum is installed on the turntable, and reel links to each other with described fixed pulley group by hoisting wirerope.
7. pile-driving barge according to claim 6 is characterized in that, also comprises luffing steel rope and luffing winding drum; Described crane arm lower end and hull are hinged; Described luffing winding drum is installed on the hull, and described luffing steel rope one end links to each other with the luffing winding drum, and the upper end of the other end and crane arm is fixed.
8. according to each described pile-driving barge of claim 1-5, it is characterized in that described piling equipment also comprises turntable, described pile frame is installed on the turntable, and described turntable is installed on the hull by swing type mechanism, to rotate around a vertical pivot with respect to hull.
9. pile-driving barge according to claim 8, it is characterized in that, described piling equipment also comprises the amplitude modulation oil cylinder, crane arm, suspension hook and lifting winding drum, the following hinge of described amplitude modulation oil cylinder one end and described pile frame is hinged, the other end and turntable are hinged, and the crane arm upper end is hinged with the last hinge of described pile frame, and the lower end is installed on the turntable; Described upward hinge and following hinge be the top and bottom of close pile frame respectively; Described suspension hook is suspended on the fixed pulley group of pile frame end, and described lifting winding drum is installed on the turntable, and links to each other with described fixed pulley group by hoisting wirerope.
10. pile-driving barge according to claim 9 is characterized in that, also comprises luffing steel rope and luffing winding drum; Described crane arm lower end and turntable are hinged; Described luffing winding drum is installed on the turntable, and described luffing steel rope one end links to each other with the luffing winding drum, and the upper end of the other end and crane arm is fixed.
CN2009102379863A 2009-11-27 2009-11-27 Pile driving boat Pending CN102079365A (en)

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CN2009102379863A CN102079365A (en) 2009-11-27 2009-11-27 Pile driving boat
EP10003171A EP2327620A3 (en) 2009-11-27 2010-03-24 Piling barge
US12/754,514 US20110129301A1 (en) 2009-11-27 2010-04-05 Piling barge

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