CN114457681A - Sliding floating support equipment for bridge engineering and working method thereof - Google Patents
Sliding floating support equipment for bridge engineering and working method thereof Download PDFInfo
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- CN114457681A CN114457681A CN202111619761.1A CN202111619761A CN114457681A CN 114457681 A CN114457681 A CN 114457681A CN 202111619761 A CN202111619761 A CN 202111619761A CN 114457681 A CN114457681 A CN 114457681A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a sliding floating support device for bridge engineering, which comprises: modular flotation tank, two sets of support, two sets of roof beam mounds that fall, roof beam platform and a set of hydro-cylinder fall, the below of support is located to the modular flotation tank, just the below of modular flotation tank is equipped with the heavy post, the top of support is located to the roof beam mound that falls, just the top of the roof beam mound that falls is equipped with the tank wheel, the roof beam platform that falls is located the upper portion between the support that floats, the hydro-cylinder is located on the mounting bracket of support top that floats. The large combined type floating box and the upper support structure system thereof provide buoyancy required by bridge deck sliding as a bearing point in a water area, and well solve the installation problem of the steel box girder.
Description
Technical Field
The invention belongs to the technical field of steel structure construction, and particularly relates to a sliding floating support device for bridge engineering and a working method thereof.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass.
Traditional bridge is many to be built through cement concrete and is formed, because the particularity of bridge erection environment, its construction is comparatively difficult, and the time limit for a project is longer, the fine solution of steel construction bridge some problems that concrete bridge construction exists, it is mostly to assemble partial structure earlier on land and forms, then adopt some means to assemble the structure that forms to the river surface and assemble, the comparatively loaded down with trivial details of current construction mode, construction cycle is longer, simultaneously because the particularity of construction environment, certain construction risk still exists.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the sliding floating support equipment for bridge engineering, which is realized by the combined floating box, the floating support bracket, the beam falling pier, the beam falling platform and the group of oil cylinders, has the sliding function and the floating support function, can not pile and erect temporary support in a water area, has a complex bridge structure form, and can not use a large-scale floating crane and a crawler crane, and the large-scale combined floating box and the upper support structure system thereof provide buoyancy required by bridge deck sliding as a bearing point in the water area, thereby well solving the installation problem of the steel box girder.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a sliding floatover apparatus for bridge engineering, comprising: modular flotation tank, two sets of support, two sets of roof beam mounds that fall, roof beam platform and a set of hydro-cylinder fall, the below of support is located to the modular flotation tank, just the below of modular flotation tank is equipped with the heavy post, the top of support is located to the roof beam mound that falls, just the top of the roof beam mound that falls is equipped with the tank wheel, the roof beam platform that falls is located the upper portion between the support that floats, the hydro-cylinder is located on the mounting bracket of support top that floats. The invention relates to a sliding floating support device for bridge engineering, which is realized by a combined floating box, a floating support bracket, a beam falling pier, a beam falling platform and a group of oil cylinders, has the sliding function and the floating support function, can not pile and erect temporary supports in a water area, has a complex bridge structure form, and can not use a large floating crane and a crawler crane, and the large combined floating box and the upper support structure system thereof provide buoyancy required by bridge deck sliding as a bearing point in the water area, thereby well solving the installation problem of a steel box beam, facilitating construction, shortening the construction period of the bridge engineering and better meeting the construction requirement.
Furthermore, the floating support is connected with the combined floating box through a set of reinforcing frame assemblies, and an inclined support frame is arranged between the floating support and the combined floating box. The reinforcing frame assembly and the inclined support frame are arranged, so that the stability of the floating support and the combined floating box mounting structure is greatly improved, and the structural strength of the whole floating equipment is also greatly improved.
Further, strengthen the frame subassembly and include a set of horizontal connection frame, vertical link and a set of slant link, horizontal connection frame is the level form and locates between two superficial support, vertical link sets up with horizontal connection frame is perpendicular, just the lower part and the combination formula flotation tank of vertical link are connected.
Furthermore, the inclined support frame comprises a transverse support frame, inclined support frames and a reinforcing frame, the transverse support frame is arranged above the combined floating box, one end of the transverse support frame is connected with the floating support frame, the two ends of each inclined support frame are respectively connected with the floating support frame and the transverse support frame, the reinforcing frame is arranged between the inclined support frames and the transverse support frame, and a connecting cross rod is arranged between the two inclined support frames.
Furthermore, a connecting frame is arranged between the upper parts of the floating support brackets, a connecting rod is arranged on the lower part of the connecting frame, an inclined strut is arranged between the connecting rod and the connecting frame, and the beam falling platform is connected with the connecting frame through a group of connecting columns.
Furthermore, a reinforcing structure is arranged between the two groups of floating support frames.
Further, additional strengthening includes a set of slant strengthening frame and a set of horizontal connection frame, horizontal connection erects between two sets of superficial support brackets, the one end of slant strengthening frame and the superficial leg joint that corresponds, the other end is connected with crossing slant strengthening frame.
Furthermore, a vertical support frame is arranged below the oblique reinforcing frame.
The working method of the slippage floating support equipment for bridge engineering provided by the invention comprises the following specific working methods: 1): after 6 sections of the steel box girders DH 1-DH 6 are assembled into a whole in an accumulating way, a combined floating box is used as a floating support, a floating support bracket is manufactured on the combined floating box, and a slide way is arranged at the top of the bracket;
2): the water pumping lifting cabin tightly supports the floating support and the steel box girder, and the floating support is fixed and temporarily fixed with the shore support by adopting a steel strand;
3): then adopting a pushing synchronous sliding technology to slide the front end of the steel box girder forward for 3 meters;
4): after the steel box girders DH 1-DH 7 are accumulated and assembled into a whole, the steel box girders slide forward for 29 meters, and the floating support bracket is fixed;
5): then sequentially assembling and sliding among the subsequent sections DH 7-DH 9, sliding forwards for 12 meters after the steel box girders DH 1-DH 11 are assembled into a whole in an accumulated mode, and fixing the floating support;
6): at the moment, the front end of the steel box girder is suspended out of the floating support bracket for 18 meters, and then a connecting system between the floating support bracket and the shore support bracket is dismantled;
7): and then the buoyancy tank and the steel box girder synchronously move forwards for 33.2 meters by the cooperation of the pushing equipment and a winch on the buoyancy tank until the buoyancy tank and the steel box girder fall to the position of a support on the north bank, and finally the steel box girder DH 1-DH 11 is integrally fallen to the designed height.
According to the working method of the sliding floating support equipment for bridge engineering, the slide way is provided with the wide linear sliding track beam, and the plane curve type bridge slides in place along a straight line; because the bridge span is too large, the fixed in-situ position of the buoyancy tank cannot meet the requirement of sliding in place, and after the bridge deck is cantilevered for 18m, the buoyancy tank and the upper support thereof synchronously slide along with the bridge deck; and because the bridge is the plane curve, the flotation tank need adjust the flotation tank internal water level at any time at the straight line in-process that slides, avoids the structure focus to surpass the central line and leads to toppling.
The technical scheme shows that the invention has the following beneficial effects:
1. the invention relates to a sliding floating support device for bridge engineering, which is realized by a combined floating box, a floating support bracket, a beam falling pier, a beam falling platform and a group of oil cylinders, has the sliding function and the floating support function, can not pile and erect temporary supports in a water area, has a complex bridge structure form, and can not use a large floating crane and a crawler crane, and the large combined floating box and the upper support structure system thereof provide buoyancy required by bridge deck sliding as a bearing point in the water area, thereby well solving the installation problem of a steel box beam, facilitating construction, shortening the construction period of the bridge engineering and better meeting the construction requirement.
2. According to the invention, the arrangement of the reinforcing frame assembly and the inclined support frame greatly improves the stability of the mounting structure of the floating support and the combined floating box, and also greatly improves the structural strength of the whole floating support equipment.
3. In the invention, the bridge span is too large, the buoyancy tank is fixed in situ and cannot meet the requirement of sliding in place, and after the bridge deck is cantilevered for 18m, the buoyancy tank and the upper support thereof synchronously slide along with the bridge deck; and because the bridge is the plane curve, the flotation tank need adjust the flotation tank internal water level at any time at the straight line in-process that slides, avoids the structure focus to surpass the central line and leads to toppling.
Drawings
FIG. 1 is a schematic structural diagram of a sliding floating support device for bridge engineering according to the present invention;
FIG. 2 is a side view of the skidding floatover unit of the present invention;
FIG. 3 is a front view of the skidding floatation device of the present invention;
FIG. 4 is a schematic diagram of the slippage between the DH 1-DH 11 joints of the present invention, wherein the floating support is not moved;
FIG. 5 is a schematic view of the steel box girder DH 1-DH 11 in the state of sliding between sections in place, and the floating support is followed;
FIG. 6 is a schematic view showing the state of the steel box girder DH 1-DH 11 after girder dropping.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Examples
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in the figure, the sliding floating support equipment for bridge engineering comprises: modular flotation tank 1, two sets of superficial support 2, two sets of roof beam mounds 3 that fall, roof beam platform 4 and a set of hydro-cylinder 5 fall, the below of superficial support 2 is located to modular flotation tank 1, just the below of modular flotation tank 1 is equipped with heavy post 6, the top of superficial support 2 is located to the roof beam mound 3 that falls, just the top of falling roof beam mound 3 is equipped with the tank wheel, the roof beam platform 4 that falls is located floats the upper portion between the support 2, hydro-cylinder 5 is located on the mounting bracket 7 of superficial support 2 top.
In this embodiment the floating support 2 is connected with each other through a set of reinforcing frame assembly 8, and an oblique support frame 9 is arranged between the floating support 2 and the combined floating box 1.
In this embodiment the reinforcing frame assembly 8 includes a set of horizontal connecting frame 81, vertical connecting frame 82 and a set of slant connecting frame 83, horizontal connecting frame 81 is the level form and locates between two floating support 2, vertical connecting frame 82 sets up with horizontal connecting frame 81 is perpendicular, just the lower part and the combination formula flotation tank 1 of vertical connecting frame 82 are connected.
In this embodiment the slant support 9 includes a horizontal support 91, an oblique support 92 and a reinforcement frame 93, the horizontal support 91 is disposed above the combined floating box 1, and one end of the horizontal support is connected with the floating support 2, two ends of the oblique support 92 are respectively connected with the floating support 2 and the horizontal support 91, the reinforcement frame 93 is disposed between the oblique support 92 and the horizontal support 91, and a connecting cross rod 94 is disposed between the two oblique supports 92.
In this embodiment be equipped with link 21 between 2 upper portions of floating support, the lower part of link 21 is equipped with connecting rod 22, be equipped with slant strut 23 between connecting rod 22 and the link 21, the roof beam platform 4 that falls is connected with link 21 through a set of spliced pole.
In this embodiment, a reinforcing structure 10 is disposed between two sets of floating frames 2.
In this embodiment, the reinforcing structure 10 includes a set of slant reinforcing frame and a set of horizontal connecting frame, the horizontal connecting frame is disposed between two sets of floating support frames 2, one end of the slant reinforcing frame is connected with the corresponding floating support frame 2, and the other end is connected with the crossed slant reinforcing frame.
In this embodiment, a vertical support frame is arranged below the oblique reinforcing frame.
The working method of the sliding floating support equipment for bridge engineering in the embodiment comprises the following specific working methods: 1: after 6 sections of the steel box girders DH 1-DH 6 are assembled into a whole in an accumulating way, a combined buoyancy tank 1 is used as a buoyancy carrier, a buoyancy support bracket 2 is manufactured on the combined buoyancy tank 1, and a slide way is arranged at the top of the bracket;
2: the water pumping lifting cabin tightly supports the floating support 2 and the steel box girder, and the floating support 2 is fixed and temporarily fixed with the shore support by adopting a steel strand;
3: then adopting a pushing synchronous sliding technology to slide the front end of the steel box girder forward for 3 meters;
4: after the steel box girders DH 1-DH 7 are accumulated and assembled into a whole, the steel box girders slide forward for 29 meters, and the floating support bracket is fixed;
5: then sequentially assembling and sliding among the subsequent sections DH 7-DH 9, sliding forwards for 12 meters after the steel box girders DH 1-DH 11 are assembled into a whole in an accumulated mode, and fixing the floating support;
6: at the moment, the front end of the steel box girder is suspended out of the floating support bracket for 18 meters, and then a connecting system between the floating support bracket and the shore support bracket is dismantled;
7: and then the buoyancy tank and the steel box girder synchronously move forwards for 33.2 meters by the cooperation of the pushing equipment and a winch on the buoyancy tank until the buoyancy tank and the steel box girder fall to the position of a support on the north bank, and finally the steel box girder DH 1-DH 11 is integrally fallen to the designed height.
According to the working method of the sliding floating support equipment for bridge engineering, the slide way is provided with the wide linear sliding track beam, and the plane curve type bridge slides in place along a straight line; because the bridge span is too large, the fixed in-situ position of the buoyancy tank cannot meet the requirement of sliding in place, and after the bridge deck is cantilevered for 18m, the buoyancy tank and the upper support thereof synchronously slide along with the bridge deck; and because the bridge is the plane curve, the flotation tank need adjust the flotation tank internal water level at any time at the straight line in-process that slides, avoids the structure focus to surpass the central line and leads to toppling.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a float and hold in palm equipment that slides for bridge engineering which characterized in that: the method comprises the following steps: modular flotation tank (1), two sets of support (2) that float, two sets of beam pier (3) that fall, roof beam platform (4) and a set of hydro-cylinder (5) fall, the below of floating support (2) is located in modular flotation tank (1), just the below of modular flotation tank (1) is equipped with heavy post (6), the top of floating support (2) is located in roof beam pier (3) that falls, just the top of falling roof beam pier (3) is equipped with the tank wheel, the upper portion between support (2) is located and floats in roof beam platform (4) that falls, hydro-cylinder (5) are located and are floated on mounting bracket (7) of support (2) top.
2. The skidding floatover equipment for bridge engineering of claim 1, wherein: the floating support frame (2) is connected through a set of reinforcing frame assemblies (8), and an inclined support frame (9) is arranged between the floating support frame (2) and the combined floating box (1).
3. The skidding floatover equipment for bridge engineering of claim 1, wherein: strengthen frame subassembly (8) including a set of horizontal connection frame (81), vertical link (82) and a set of slant link (83), horizontal connection frame (81) are the level form and locate between two superficial support (2), vertical link (82) set up with horizontal connection frame (81) is perpendicular, just the lower part and the combination formula flotation tank (1) of vertical link (82) are connected.
4. The skidding floatover equipment for bridge engineering of claim 1, wherein: slant support frame (9) are including horizontal support frame (91), bracing frame (92) and enhancement frame (93), combination formula flotation tank (1) top is located in horizontal support frame (91), and its one end is connected with floating support (2), the both ends of bracing frame (92) are connected with floating support (2) and horizontal support frame (91) respectively, enhancement frame (93) are located between bracing frame (92) and horizontal support frame (91), and are equipped with between two bracing frames (92) and connect horizontal pole (94).
5. The skidding floatover equipment for bridge engineering of claim 1, wherein: be equipped with link (21) between floating support (2) upper portion, the lower part of link (21) is equipped with connecting rod (22), be equipped with slant strut (23) between connecting rod (22) and link (21), roof beam platform (4) that fall is connected with link (21) through a set of spliced pole.
6. The skidding floatover equipment for bridge engineering of claim 1, wherein: a reinforcing structure (10) is arranged between the two groups of floating support frames (2).
7. The skidding floatover equipment for bridge engineering of claim 6, wherein: the reinforced structure (10) comprises a group of slant reinforcing frames and a group of horizontal connecting frames, the horizontal connecting frames are arranged between two groups of floating support frames (2), one ends of the slant reinforcing frames are connected with the corresponding floating support frames (2), and the other ends of the slant reinforcing frames are connected with the crossed slant reinforcing frames.
8. The skidding floatover equipment for bridge engineering of claim 6, wherein: and a vertical supporting frame is arranged below the oblique reinforcing frame.
9. The working method of the sliding floatover equipment for bridge engineering according to any one of claims 1 to 8, wherein: the specific working method is as follows: 1): after 6 sections of the steel box girders DH 1-DH 6 are assembled into a whole in an accumulating way, a combined buoyancy tank (1) is used as a buoyancy carrier, a buoyancy support bracket (2) is manufactured on the combined buoyancy tank (1), and a slide way is arranged at the top of the bracket;
2): the water pumping lifting cabin tightly supports the floating support (2) with the steel box girder, and the floating support (2) is fixed and temporarily fixed with the shore support by adopting a steel strand;
3): then adopting a pushing synchronous sliding technology to slide the front end of the steel box girder forward for 3 meters;
4): after the steel box girders DH 1-DH 7 are accumulated and assembled into a whole, the steel box girders slide forward for 29 meters, and the floating support bracket is fixed;
5): then sequentially assembling and sliding among the subsequent sections DH 7-DH 9, sliding forwards for 12 meters after the steel box girders DH 1-DH 11 are assembled into a whole in an accumulated mode, and fixing the floating support;
6): at the moment, the front end of the steel box girder is suspended out of the floating support bracket for 18 meters, and then a connecting system between the floating support bracket and the shore support bracket is dismantled;
7): and then the buoyancy tank and the steel box girder synchronously move forwards for 33.2 meters by the cooperation of the pushing equipment and a winch on the buoyancy tank until the buoyancy tank and the steel box girder fall to the position of a support on the north bank, and finally the steel box girder DH 1-DH 11 is integrally fallen to the designed height.
10. The working method of the sliding floating support equipment for bridge engineering according to claim 9, wherein the working method comprises the following steps: the slideway is provided with a wide linear sliding track beam, and the plane curve type bridge is slid in place along a straight line; because the bridge span is too large, the fixed in-situ position of the buoyancy tank cannot meet the requirement of sliding in place, and after the bridge deck is cantilevered for 18m, the buoyancy tank and the upper support thereof synchronously slide along with the bridge deck; and because the bridge is the plane curve, the flotation tank need adjust the flotation tank internal water level at any time at the straight line in-process that slides, avoids the structure focus to surpass the central line and leads to toppling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111619761.1A CN114457681A (en) | 2021-12-27 | 2021-12-27 | Sliding floating support equipment for bridge engineering and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111619761.1A CN114457681A (en) | 2021-12-27 | 2021-12-27 | Sliding floating support equipment for bridge engineering and working method thereof |
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| CN114457681A true CN114457681A (en) | 2022-05-10 |
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| CN202111619761.1A Pending CN114457681A (en) | 2021-12-27 | 2021-12-27 | Sliding floating support equipment for bridge engineering and working method thereof |
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| CN101560752A (en) * | 2009-04-02 | 2009-10-21 | 中铁十局集团有限公司 | Construction method for erecting steel truss girder on uplift pushing tow |
| CN104532748A (en) * | 2014-12-15 | 2015-04-22 | 中铁上海工程局集团有限公司 | Exceeding thousand tons of linear steel trussed beam floating pushing erecting construction method |
| CN205917603U (en) * | 2016-08-18 | 2017-02-01 | 中铁十局集团第一工程有限公司 | Float and ask push beam to establish superficial support device that steel longeron was used |
| CN110396938A (en) * | 2019-08-07 | 2019-11-01 | 中铁二十四局集团有限公司 | Longspan steel truss girder bridge multiple spot floats jacking and pushes away construction system |
| CN111547205A (en) * | 2020-03-20 | 2020-08-18 | 中国海洋石油集团有限公司 | Method for quickly finishing floating installation of ocean platform by using hydraulic jack |
| CN113047175A (en) * | 2021-01-05 | 2021-06-29 | 中铁四局集团有限公司 | Steel box girder assembling and sliding platform and floating transportation method |
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2021
- 2021-12-27 CN CN202111619761.1A patent/CN114457681A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560752A (en) * | 2009-04-02 | 2009-10-21 | 中铁十局集团有限公司 | Construction method for erecting steel truss girder on uplift pushing tow |
| CN104532748A (en) * | 2014-12-15 | 2015-04-22 | 中铁上海工程局集团有限公司 | Exceeding thousand tons of linear steel trussed beam floating pushing erecting construction method |
| CN205917603U (en) * | 2016-08-18 | 2017-02-01 | 中铁十局集团第一工程有限公司 | Float and ask push beam to establish superficial support device that steel longeron was used |
| CN110396938A (en) * | 2019-08-07 | 2019-11-01 | 中铁二十四局集团有限公司 | Longspan steel truss girder bridge multiple spot floats jacking and pushes away construction system |
| CN111547205A (en) * | 2020-03-20 | 2020-08-18 | 中国海洋石油集团有限公司 | Method for quickly finishing floating installation of ocean platform by using hydraulic jack |
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