CN101949146B - Offshore auxiliary construction platform device and using method thereof - Google Patents
Offshore auxiliary construction platform device and using method thereof Download PDFInfo
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- CN101949146B CN101949146B CN2010102800357A CN201010280035A CN101949146B CN 101949146 B CN101949146 B CN 101949146B CN 2010102800357 A CN2010102800357 A CN 2010102800357A CN 201010280035 A CN201010280035 A CN 201010280035A CN 101949146 B CN101949146 B CN 101949146B
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Abstract
The invention discloses an offshore auxiliary construction platform device and a using method thereof. A crane system is arranged on a movable support system; the support system comprises two parallel rail beams; a horizontal connecting beam vertical to the length direction of the rail beams is arranged between the two rail beams; the rail beams and the horizontal connecting beam have a box girder structure; two box girders are vertically connected by a diagonal bracing; a bearing platform under the rail beams is provided with a box girder support; a support system is driven to move by a travel mechanism; and the travel mechanism is that a tetrafluoro sliding plate is arranged above the box girder support, the bottom of a bottom flange of a box girder is paved with a stainless steel plate facilitating the mass movement of the platform device, and the stainless steel plate moves on the tetrafluoro sliding plate and is dragged by a traction mechanism positioned on the end parts of the rail beams. The platform device can automatically move to the next working face from one working face, avoid frequent assembly and disassembly and transportation of equipment, reduce safety risks of offshore construction, and improve the efficiency of offshore construction of pier studs.
Description
Technical field
The present invention relates to a kind of construction machinery equipment, especially relate to a kind of stage apparatus and method for using thereof that is applicable to the cast-in-place pier stud construction of auxiliary bridge under the severe sea condition condition.
Background technology
At present, two kinds of equipment auxiliary constructions are adopted in the cast-in-place pier stud construction of bridge spanning the sea, and a kind of is the crane ship auxiliary construction, and another kind is a steel platform auxiliary construction.
Crane ship is claimed the multi-function operation ship again, refers to the large flat barge that the deck is provided with crane gear.Crane ship casts anchor and stays between two bridge piers, and cabin is as office life area, constructor front court, and the deck is as interim material such as interim placing of material place such as reinforcing bar, template.Loop wheel machine is as material, facility vertical transport instrument on the ship; Ship is provided with sump, generator, guarantees job site water electricity consumption.The crane ship contiguous pier stud of having constructed can move anchor, is dragged to two other pier stud and constructs.Typical case's crane ship plan-position is shown in Figure of description 1.
The steel platform that is used to construct be in the place, pier position of needs constructions with steel pipe pile do the basis, with the temporary structure thing that shaped steel and steel plate are welded, tower crane (or other crane gear), generator, water tank and other interim life office facility are installed on platform.Pier stud when construction, utilize on the platform loop wheel machine can stack interim material such as template, reinforcing bar on the platform as the vertical transport instrument, also the interim office place of living is provided for the constructor.For ease equipment and materials have bad luck and the constructor current, platform utilizes trestle to link to each other with land as far as possible, becoming offshore construction is to construct in land.Steel platform auxiliary construction is shown in Figure of description 2.
Yet when carrying out the construction of cast-in-place pier stud at sea, crane ship receives influence, especially off-lying seas such as marine morning and evening tides, stormy waves and typhoon and is surged and influence, and boats and ships are difficult to the stable position of staying, above loop wheel machine be difficult to normal operation, efficiency of construction is lower, security risk is bigger; The steel platform becomes land construction with offshore construction, but because the steel platform can not move flexibly, and each pier position all will be carried out platform and set up and remove, and the platform steel using amount is big, and construction period is longer, and the construction effect is low, cost is higher.Therefore, above-mentioned two kinds of auxiliary construction modes all have certain limitation, and combination property is bad.
Summary of the invention
Technical problem to be solved by this invention is to the problem that exists in the prior art a kind of marine auxiliary construction stage apparatus and method for using thereof to be provided; Its objective is to overcome the abominable sea situation in off-lying sea, become offshore construction, increase the crane gear effective operation time into the land construction; Simultaneously; Complete equipment can self move to the next scope of operation from a scope of operation, avoids the frequent peace of equipment to tear open and have bad luck, and increases work efficiency.
Technical scheme of the present invention is the marine auxiliary construction stage apparatus of this kind; Comprise the loop wheel machine system; Described loop wheel machine system is arranged on movably on the support system, and support system drives it through walking mechanism and moves, and also is equipped with on the described support system and combats typhoon and fender system.
Described support system comprises two rail beams that are parallel to each other; Article two, be provided with between the rail beam and the perpendicular transverse strut of rail beam length direction; Rail beam and transverse strut all adopt box-beam structure; Vertically link to each other placing box beam support on the cushion cap of rail beam below between two casees beams with bridging.
Described walking mechanism is provided with the tetrafluoro slide plate above the case beam support; Lay at the bottom of the case lower flange of girder edge and make things convenient for the whole stainless-steel sheet that moves of stage apparatus; Stainless-steel sheet moves on the tetrafluoro slide plate, and draws through the haulage gear that is positioned at the rail beam end.
Described combat typhoon and fender system is to utilize bearing to raise the absolute altitude of rail beam is provided with the hole that reduces wind load on rail beam, and on the cushion cap that being anchored on of rail beam constructed.
Described haulage gear is an electric block.
A kind of method for using of utilizing described operation platform device to construct is specially:
1) rail beam is relied on the cushion cap of having constructed, two rail beams and transverse strut are fixed, form a stable operation platform, loop wheel machine system, walking mechanism are installed on the rail beam of mobile platform;
2) wait to move the whole installations of all members of operation platform, loop wheel machine system and electric block walking mechanism are debugged examination after, can begin cast-in-place pier construction;
3) treat the rear end pier shaft all construct accomplish after; The arm of loop wheel machine system is lain prone forward shelving on the beam on the rail beam; The jenny system is to previous pier shaft front side, the beam of shelving of loop wheel machine system and tower arm front end is fixed together with operation platform steel box-beam structure after in place;
4) adopt electric block as trailer system, move operation platform steel box-beam structure, when the rear end will break away from rear support, stop steel case beam and move, slowly the case back is risen with jackscrew, and bearing is removed;
5) jack slowly descends, and after operation platform steel box-beam structure moves to disengaging bearing scope, extracts jack out, and the case beam continues reach;
When 6) operation platform steel box-beam structure moves to front end cantilever certain distance; The counter-rotating of the arm of loop wheel machine system is fixed on rear side to be fixed; Continue to move operation platform steel box-beam structure, when front end arrives last cushion cap, utilize the jack positioning; It is shelved to last bearing, until moving to design attitude;
7) operation platform steel box-beam structure move in place after, the design attitude during jenny to operation carries out the construction of next pier shaft, promptly accomplishes whole movably process.
Described loop wheel machine system is when operation, and wind-force is less than or equal to strong gale, and wind speed is less than or equal to 21m/s.
Marine auxiliary construction stage apparatus and method for using thereof with above-mentioned special construction have the following advantages:
1. the marine auxiliary construction stage apparatus of this kind possesses the advantage of legacy equipment simultaneously, has the advantage of steel platform, has overcome the abominable sea conditions in off-lying sea; Become offshore construction into the land construction, have the flexible property of crane ship again, at the scope of operation pier stud of having constructed; Utilizing self trailer system can slide onto the next scope of operation constructs; Equipment combines on-site actual situations, and system's middle orbit beam both supported as platform, again as the loop wheel machine track; Adopt transverse strut to be linked to be an integral body between the rail beam, help the stability of walking and combating typhoon, molar construct is novel, ingenious, practical.
2. the marine auxiliary construction stage apparatus of this kind utilizes the auxiliary pier stud construction of marine portable operation platform, has both reduced the offshore construction security risk, has improved the efficient of marine pier stud construction again.
3. the marine auxiliary construction stage apparatus of this kind complete equipment can self move to the next scope of operation from a scope of operation, avoids the frequent peace of equipment to tear open and have bad luck.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further:
Fig. 1 is a general assembly structural representation of the present invention.
Fig. 2 is the plan structure sketch map of structure shown in Figure 1.
Fig. 3 is the present invention's structural representation of mobile position one in the course of the work.
Fig. 4 is the present invention's structural representation of mobile position two in the course of the work.
Fig. 5 is the present invention's structural representation of mobile position three in the course of the work.
Fig. 6 is the present invention's structural representation of mobile position four in the course of the work.
Fig. 7 is the structural representation between loop wheel machine system among the present invention and the rail beam.
Fig. 8 is the structural scheme of mechanism of trailer system among the present invention.
In Fig. 1-8,1: the loop wheel machine system; 2: rail beam; 3: transverse strut; 4: the case beam support.
The specific embodiment
Combine to know that the marine auxiliary construction stage apparatus of this kind comprises loop wheel machine system 1 that loop wheel machine system 1 is arranged on movably on the support system by Fig. 1-shown in Figure 8 structure; Support system comprises two rail beams that are parallel to each other 2; Article two, be provided with between the rail beam 2 and the perpendicular transverse strut 3 of rail beam 2 length directions, rail beam 2 all adopts box-beam structure with transverse strut 3, vertically links to each other with bridging between two casees beams; Placing box beam support 4 on the cushion cap of rail beam 2 belows; Support system drives it through walking mechanism and moves, and walking mechanism is provided with the tetrafluoro slide plate above case beam support 4, lays at the bottom of the case lower flange of girder edge to make things convenient for the whole stainless-steel sheet that moves of stage apparatus; Stainless-steel sheet moves on the tetrafluoro slide plate, and draws through the haulage gear electric block that is positioned at rail beam 2 ends.
Also be equipped with on the support system and combat typhoon and fender system, combat typhoon and fender system is to utilize bearing to raise the absolute altitude of rail beam 2, the hole that reduces wind load is set on rail beam 2, and with on the easy working cushion cap of being anchored on of rail beam 2.
As a kind of concrete embodiment, move the rail beam 2 that operation platform adopts two long 103.4m, the center to center distance of rail beam 2 is 6m, connects through 11 transverse struts 3 between two rail beams 2.Rail beam 2 adopts high 2.436m, and the case beam of wide 1.0m, transverse strut are that two cross sections are 300 * 300mm box beam, vertically links to each other with bridging between two casees beams.While placing box beam support 4 on the cushion cap below the rail beam 2, the tetrafluoro slide plate is established in case beam support 4 tops, at the bottom of case beam support 4 bottom flanges, lays stainless-steel sheet, and plateform system is whole to be moved to make things convenient for.
Between nose girder and rail beam 2, adopt the welding, rail beam 2 is connected through bolt with the rail beam Connection Block, and the employing bolt is connected between rail beam 2 and the transverse strut 3.
Mobile platform system girder relies on the cushion cap of having constructed, and two rail beams 2 are fixing to getting in touch, and forms a stable operation platform.Material facility such as the stackable template of platform, reinforcing bar also can be used as interim construction living area above.On the mobile platform girder, loop wheel machine is installed, loop wheel machine is as the pier construction vertical transport equipment on the platform.
The method for using of utilizing this kind operation platform device to construct is specially:
1) rail beam 2 is relied on the cushion cap of having constructed, two rail beams 2 and transverse strut 3 are fixed, form a stable operation platform, loop wheel machine system 1, walking mechanism are installed on the rail beam 2 of mobile platform;
2) wait to move the whole installations of all members of operation platform, loop wheel machine system and electric block walking mechanism are debugged examination after, can begin cast-in-place pier construction;
3) treat the rear end pier shaft all construct accomplish after; With the arm of loop wheel machine system the shelving on the beam on rail beam 2 of lying prone forward; The jenny system is to previous pier shaft front side, the beam of shelving of loop wheel machine system and tower arm front end is fixed together with operation platform steel box-beam structure after in place;
4) adopt electric block as trailer system, move operation platform steel box-beam structure, when the rear end will break away from rear support, stop steel case beam and move, slowly the case back is risen with jackscrew, and bearing is removed;
5) jack slowly descends, and after operation platform steel box-beam structure moves to disengaging bearing scope, extracts jack out, and the case beam continues reach;
When 6) operation platform steel box-beam structure moves to front end cantilever certain distance; The counter-rotating of the arm of loop wheel machine system is fixed on rear side to be fixed; Continue to move operation platform steel box-beam structure, when front end arrives last cushion cap, utilize the jack positioning; It is shelved to last bearing, until moving to design attitude;
7) operation platform steel box-beam structure move in place after, the design attitude during jenny to operation carries out the construction of next pier shaft, promptly accomplishes whole movably process.
The course of work of this kind equipment is specially: wait to move the whole installations of all members of operation platform, and after swing arm loop wheel machine and electric block running gear debugged examination, can begin cast-in-place pier construction.
1) loop wheel machine lifting operation is accomplished the rear end pier construction
All behind the installation in position, loop wheel machine is fixed on assigned address, prepares lifting operation.Utilize boats and ships that template, reinforcing bar etc. is transported to the cushion cap opposite side (leaning on cushion cap) of preparing the construction pier shaft, utilize the loop wheel machine lifting, carry out the construction of this pier shaft.During the loop wheel machine operation, wind-force must not surpass strong gale, and wind speed must not be greater than 21m/s.
2) loop wheel machine moves to design attitude
Treat the rear end pier shaft all construct accomplish after, with the arm of loop wheel machine the shelving on the beam on the case beam orbit of lying prone forward, jenny to previous pier shaft front side is fixed together the beam of shelving of loop wheel machine and tower arm front end after in place with operation platform steel box-beam structure.
3) the movable case beam is to design attitude
Adopt electric block as trailer system, move operation platform steel box-beam structure, when the rear end will break away from rear support, stop steel case beam and move, slowly the case back is risen with jackscrew, and bearing is removed.Then, jack slowly descends, and after the case beam moves to disengaging bearing scope, extracts jack out, and the case beam continues reach.
When operation platform steel box-beam structure moves to the front end cantilever and surpasses 30m, the arm counter-rotating of loop wheel machine is fixed on rear side fixes, continue to move operation platform steel box-beam structure; When front end arrives last cushion cap; Utilize the jack positioning, it is shelved to last bearing, until moving to design attitude.
4) jenny next pier construction that carries out in place
Operation platform steel box-beam structure move in place after, the design attitude during jenny to operation carries out the construction of next pier shaft.
Key technology, technology and scheme that this kind equipment adopts are following:
1) molar construct is novel, ingenious, practical.
This complete equipment had both been integrated the advantage of legacy equipment, had overcome the shortcoming of legacy equipment again; Equipment combines on-site actual situations, and system's middle girder both supported as platform, again as the loop wheel machine track; Adopt crossbeam to be linked to be an integral body between the girder, help the stability of walking and combating typhoon.Molar construct is novel, ingenious, practical.
2) adopt unique connected mode between the structure, be convenient to peace and tear open
Adopt Connection Block to connect between the rail beam 2, adopt bolt to be connected between rail beam 2 and the transverse strut 3, be convenient to make and the scene is especially pacified and torn open in the sea.
3) adopt simple and reliable running gear
Running gear adopts corrosion resistant plate on the tetrafluoro slide plate, to move, and utilizes electric block as traction, and this cover running gear is than other running gear, and is simple and reliable, cost is low, is convenient to operation.
4) simple and easy firm anti-platform system
Anti-platform system adopts following simple measure: a, utilizes bearing to raise the girder absolute altitude, reduces the influence of storm tide; B, perforate on girder on the other hand not only reduce wind load but also save rolled steel dosage; C, the existing built-in fitting in the scene that makes full use of are anchored at girder on the easy working cushion cap.
5) curved bridge via hole technology
This cover system straight bridge of can not only constructing also can the construction curve bridge, can realize curved bridge via hole voluntarily, enlarges the applicable elements of this complete equipment.
Adopt the auxiliary pier stud construction of the portable operation platform in this kind sea, have the advantage of steel platform, overcome the abominable sea conditions in off-lying sea, become offshore construction and be the land construction; Have the flexible property of crane ship again,, utilize self trailer system can slide onto the next scope of operation and construct at the scope of operation pier stud of having constructed.Utilize the auxiliary pier stud construction of marine portable operation platform, both reduced the offshore construction security risk, improved the efficient of marine pier stud construction again.
Claims (6)
1. marine auxiliary construction stage apparatus; Comprise loop wheel machine system (1), described loop wheel machine system (1) is arranged on movably on the support system, and support system drives it through walking mechanism and moves; Also be equipped with on the described support system and combat typhoon and fender system; It is characterized in that: described support system comprises two rail beams that are parallel to each other (2), is provided with between two rail beams (2) and the perpendicular transverse strut (3) of rail beam (2) length direction, and rail beam (2) and transverse strut (3) all adopt box-beam structure; Vertically link to each other placing box beam support (4) on the cushion cap of rail beam (2) below between two casees beams with bridging.
2. a kind of marine auxiliary construction stage apparatus according to claim 1; It is characterized in that: described walking mechanism is to be provided with the tetrafluoro slide plate in the top of case beam support (4); Lay at the bottom of the case lower flange of girder edge and make things convenient for the whole stainless-steel sheet that moves of stage apparatus; Stainless-steel sheet moves on the tetrafluoro slide plate, and draws through the haulage gear that is positioned at rail beam (2) end.
3. a kind of marine auxiliary construction stage apparatus according to claim 2; It is characterized in that: described combat typhoon and fender system for to utilize bearing to raise the absolute altitude of rail beam (2); Go up the hole that setting reduces wind load at rail beam (2), and being anchored on the cushion cap of having constructed rail beam (2).
4. a kind of marine auxiliary construction stage apparatus according to claim 3, it is characterized in that: described haulage gear is an electric block.
5. method for using of utilizing the described operation platform device of claim 4 to construct, it is characterized in that: described method for using is specially:
1) rail beam (2) is relied on the cushion cap of having constructed, two rail beams (2) and transverse strut (3) are fixed, form a stable operation platform, go up at the rail beam (2) of mobile platform loop wheel machine system (1), walking mechanism are installed;
2) wait to move the whole installations of all members of operation platform, loop wheel machine system and electric block walking mechanism are debugged examination after, can begin cast-in-place pier construction;
3) treat the rear end pier shaft all construct accomplish after; With the arm of loop wheel machine system the shelving on the beam on rail beam (2) of lying prone forward; The jenny system is to previous pier shaft front side, the beam of shelving of loop wheel machine system and tower arm front end is fixed together with operation platform steel box-beam structure after in place;
4) adopt electric block as trailer system, move operation platform steel box-beam structure, when the rear end will break away from rear support, stop steel case beam and move, slowly the case back is risen with jackscrew, and bearing is removed;
5) jack slowly descends, and after operation platform steel box-beam structure moves to disengaging bearing scope, extracts jack out, and the case beam continues reach;
When 6) operation platform steel box-beam structure moves to front end cantilever certain distance; The counter-rotating of the arm of loop wheel machine system is fixed on rear side to be fixed; Continue to move operation platform steel box-beam structure, when front end arrives last cushion cap, utilize the jack positioning; It is shelved to last bearing, until moving to design attitude;
7) operation platform steel box-beam structure move in place after, the design attitude during jenny to operation carries out the construction of next pier shaft, promptly accomplishes whole movably process.
6. according to the said a kind of method for using of utilizing the operation platform device to construct of claim 5, it is characterized in that: described loop wheel machine system is when operation, and wind-force is less than or equal to strong gale, and wind speed is less than or equal to 21m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102800357A CN101949146B (en) | 2010-09-08 | 2010-09-08 | Offshore auxiliary construction platform device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102800357A CN101949146B (en) | 2010-09-08 | 2010-09-08 | Offshore auxiliary construction platform device and using method thereof |
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| Publication Number | Publication Date |
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| CN101949146A CN101949146A (en) | 2011-01-19 |
| CN101949146B true CN101949146B (en) | 2012-05-30 |
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| CN2010102800357A Expired - Fee Related CN101949146B (en) | 2010-09-08 | 2010-09-08 | Offshore auxiliary construction platform device and using method thereof |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071647A (en) * | 2010-12-30 | 2011-05-25 | 中铁大桥局集团第二工程有限公司 | Method for mounting dismountable steel trestle |
| CN102852095B (en) * | 2012-09-07 | 2014-10-22 | 中交第二航务工程局有限公司 | Prefabricated bridge abutment multifunctional lifting system and construction procedure thereof |
| CN102926397B (en) * | 2012-09-07 | 2015-05-06 | 中交第二航务工程局有限公司 | Multifunctional hydraulic hanger for bridge prefabricated foundation construction and construction steps thereof |
| CN103184722B (en) * | 2013-03-18 | 2015-01-28 | 广州市市政工程机械施工有限公司 | Large-span double-layer Bailey truss structure and construction method thereof |
| CN106185543B (en) * | 2014-08-14 | 2018-07-31 | 中国建筑第八工程局有限公司 | The construction method of attached base and section support connection in lifting gear |
| CN105507160B (en) * | 2015-11-25 | 2017-04-26 | 杭州江润科技有限公司 | Method of operation platform for movable-type bailey beams for construction of cast-in-place box beams |
| CN105421453B (en) * | 2015-11-27 | 2017-05-10 | 中交第二航务工程局有限公司 | Pile block movable platform steel pipe pile driving construction method |
| CN105696538B (en) * | 2016-04-06 | 2018-07-06 | 中交第一航务工程局有限公司 | Marine mobile platform piling construction technique and equipment |
| CN106704705B (en) * | 2017-01-12 | 2019-12-17 | 中交天航南方交通建设有限公司 | overwater pipeline assembling operation method and system |
| CN110172922B (en) * | 2019-06-17 | 2020-08-11 | 中国建筑第六工程局有限公司 | Construction method of environment-friendly downlink self-propelled steel trestle structure |
| CN110468721B (en) * | 2019-08-29 | 2021-04-20 | 中铁大桥局集团有限公司 | Large-span trestle cantilever construction method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20080093263A (en) * | 2007-04-16 | 2008-10-21 | (주)석탑엔지니어링 | Continuous composite bridge construction method |
| CN201209237Y (en) * | 2008-05-22 | 2009-03-18 | 中铁大桥局股份有限公司 | Multi-mobile beam segment bracket for mould support |
| CN101581073B (en) * | 2008-07-10 | 2011-08-17 | 中铁大桥局股份有限公司 | Downlink movable mould frame and walking method thereof |
| CN101792015B (en) * | 2010-03-08 | 2013-05-01 | 中铁大桥局股份有限公司 | Multi-functional assembling type waterborne movable device |
| CN201762699U (en) * | 2010-09-08 | 2011-03-16 | 中交二航局第四工程有限公司 | Offshore auxiliary construction platform device |
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