CN103103925B - Combined H-shaped steel column bracket - Google Patents
Combined H-shaped steel column bracket Download PDFInfo
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- CN103103925B CN103103925B CN201310047187.6A CN201310047187A CN103103925B CN 103103925 B CN103103925 B CN 103103925B CN 201310047187 A CN201310047187 A CN 201310047187A CN 103103925 B CN103103925 B CN 103103925B
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Abstract
本发明涉及桥梁起始节段梁墩旁支架施工设备，具体的说是一种施工方便、安全的钢桁梁斜拉桥起始节段梁墩旁组合H型钢立柱式托架。包括主塔柱，所述主塔柱底部两侧分别设有两个底座，所述四个底座上分别斜向外固设有一个组合H型钢立柱，每两个所述的组合H型钢立柱相对于主塔柱对称；所述每个组合H型钢立柱的顶部分别与一个滑道梁的一端连接，所述滑道梁的另一端放置于位于主塔柱中部的塔墩支座上。本发明承载能力大，安装容易，拆卸方便，减少了施工时间，降低了高空作业危险性，经济方便。
The invention relates to construction equipment for brackets next to girder piers at the initial section of a bridge, in particular to a combined H-shaped steel column bracket next to the beam pier at the initial section of a steel truss girder cable-stayed bridge, which is convenient and safe to construct. Including the main tower column, two bases are respectively provided on both sides of the bottom of the main tower column, and a combined H-shaped steel column is fixed obliquely on the four bases, and each two combined H-shaped steel columns are opposite to each other. Symmetrical to the main tower column; the top of each combined H-shaped steel column is connected to one end of a slideway beam, and the other end of the slideway beam is placed on the pier support located in the middle of the main tower column. The invention has large bearing capacity, easy installation and disassembly, reduces construction time, lowers the risk of high-altitude operation, and is economical and convenient.
Description
技术领域 technical field
本发明涉及桥梁起始节段梁墩旁支架施工设备，具体的说是一种施工方便、安全的钢桁梁斜拉桥起始节段梁墩旁组合H型钢立柱式托架。 The invention relates to construction equipment for brackets next to girder piers in the initial section of a bridge, in particular to a combined H-shaped steel upright column bracket next to the beam pier in the initial section of a steel truss girder cable-stayed bridge, which is convenient and safe to construct.
背景技术 Background technique
随着我国经济及交通基础设施建设的高速发展，出现了越来越多的公轨及公铁两用大跨度钢桁梁斜拉桥施工工程。公铁两用大桥主桥一般采用钢桁斜拉桥方案，主梁采用双片桁式结构。两片主桁横向间距较大，桥墩旁托架作为墩顶四节间钢梁架设的拼装平台及纵横移调整的工作平台，也是第一对斜拉索挂设前钢梁重量的主要支撑结构，墩旁托架由南北两个托架、承重钢箱梁（滑道梁）、垫梁（滑座）及三向位移调整装置等组成。托架立柱设计采用钢管立柱结构，顺桥向采用四排管桩（单侧两排），横桥布置两排管桩，顺桥向最外侧钢管向外侧按较大坡度倾斜，顺桥向内侧钢管向外侧按较小坡度倾斜，立柱之间采用钢管作为连接系，底节立柱与塔座上预埋件焊接。由于用钢管立柱作为托架，钢管之间连接方式有焊接或法兰盘连接，焊接连接造成高空焊接工作量大，危险性高，施工时间长；而法兰盘连接，由于对接螺栓较多，节段较多，造成高空对接安装困难，施工风险大，施工时间长。 With the rapid development of my country's economy and transportation infrastructure construction, more and more construction projects of long-span steel truss girder cable-stayed bridges for public rail and public rail have emerged. The main bridge of the road-rail dual-purpose bridge generally adopts the steel truss cable-stayed bridge scheme, and the main girder adopts a double-piece truss structure. The horizontal distance between the two main trusses is relatively large, and the brackets beside the pier are used as the assembly platform for erecting the steel girders between the four sections of the pier top and the working platform for vertical and horizontal movement adjustment, and also the main support structure for the weight of the steel girders before the first pair of stay cables are hung. , The bracket next to the pier is composed of two brackets in the north and south, a load-bearing steel box girder (slide beam), a pad beam (sliding seat) and a three-way displacement adjustment device. The design of the bracket column adopts the steel pipe column structure, four rows of pipe piles are used along the bridge direction (two rows on one side), and two rows of pipe piles are arranged on the cross bridge. The steel pipes are inclined to the outside according to a small slope, the steel pipes are used as the connection system between the columns, and the bottom section columns are welded to the embedded parts on the tower base. Since the steel pipe column is used as the bracket, the connection between the steel pipes is welding or flange connection. The welding connection causes high-altitude welding workload, high risk, and long construction time; while the flange connection, due to more butt bolts, There are many segments, which makes the high-altitude docking installation difficult, the construction risk is high, and the construction time is long.
发明内容 Contents of the invention
本发明主要是针对现有技术所存在的上述技术问题，提供一种施工方便、安全的组合H型钢立柱式托架。 The present invention mainly aims at the above-mentioned technical problems existing in the prior art, and provides a convenient and safe combined H-shaped steel column bracket.
本发明的上述技术问题主要是通过下述技术方案得以解决的：一种组合H型钢立柱式托架，包括主塔柱，所述主塔柱底部两侧分别设有两个底座，所述四个底座上分别斜向外固设有一个组合H型钢立柱，每两个所述的组合H型钢立柱相对于主塔柱对称；所述每个组合H型钢立柱的顶部分别与一个滑道梁的一端连接，所述滑道梁的另一端放置于位于主塔柱中部的塔墩支座上。 The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a combined H-shaped steel column bracket, including a main tower column, two bases are respectively arranged on both sides of the bottom of the main tower column, and the four A combined H-shaped steel column is fixed obliquely outward on the two bases, and every two combined H-shaped steel columns are symmetrical with respect to the main tower column; One end is connected, and the other end of the slideway beam is placed on the tower pier support located in the middle of the main tower column.
作为优选，所述组合H型钢立柱与主塔柱之间通过多根连接杆连接。 Preferably, the combined H-shaped steel column is connected to the main tower column through a plurality of connecting rods.
作为优选，所述组合H型钢立柱内部的H型钢之间通过万能杆件栓接。 Preferably, the H-shaped steels inside the combined H-shaped steel columns are bolted through universal rods.
作为优选，所述组合H型钢立柱节段之间通过端头板由螺栓进行定位连接。 Preferably, the combined H-shaped steel column segments are fixedly connected by bolts through end plates.
作为优选，所述塔墩支座两端各设有一个塔墩抗剪支座，所述两个滑道梁一端分别与一个组合H型钢立柱顶部铰接，另一端放置于塔墩抗剪支座上并通过钢筋互拉连接。 As a preference, a tower pier shear support is provided at both ends of the tower pier support, and one end of the two slideway beams is respectively hinged to the top of a combined H-shaped steel column, and the other end is placed on the tower pier shear support and connected by steel bars.
作为优选，所述滑道梁置于塔墩抗剪支座上的一端通过所述塔墩支座内部预留孔中的对拉精轧螺纹钢筋连接。 Preferably, one end of the slideway beam placed on the shear support of the tower pier is connected through a pair of stretched and finished-rolled threaded steel bars in a reserved hole inside the tower pier support.
作为优选，所述每两个在主塔柱同一侧的组合H型钢立柱之间通过钢管连接。 Preferably, every two combined H-shaped steel columns on the same side of the main tower column are connected by steel pipes.
本发明组合H型钢立柱底节固定在底座上，其它节段通过端头板处螺栓进行连接，滑道梁一端与组合H型钢立柱铰接连接，一端放在塔墩支座上，并通过对拉结构将塔墩支座两侧的滑道梁进行对拉，在组合H型钢立柱和主塔柱之间采用连接杆连接，组合H型钢立柱之间通过钢管连接，以增强稳定性。在横桥向将两个H型钢斜杆连接成整体，共同受力。本发明承载能力大，安装容易，拆卸方便，减少了钢管带来的高空拼接安装困难，而且施工质量更容易保证，减少了施工时间，降低了高空作业危险性，经济方便。 The bottom section of the combined H-shaped steel column of the present invention is fixed on the base, and the other sections are connected by bolts at the end plate. The structure pulls the slideway beams on both sides of the tower pier support in opposite directions, connects the combined H-shaped steel columns and the main tower columns with connecting rods, and connects the combined H-shaped steel columns with steel pipes to enhance stability. In the direction of the bridge, the two H-shaped steel slanting bars are connected as a whole to bear the force together. The invention has large bearing capacity, easy installation and disassembly, reduces the difficulty of high-altitude splicing and installation caused by steel pipes, and is easier to guarantee the construction quality, reduces construction time, reduces the risk of high-altitude operations, and is economical and convenient.
附图说明 Description of drawings
附图1为本发明一种组合H型钢立柱式托架结构断面图。 Accompanying drawing 1 is a sectional view of a combined H-shaped steel column bracket structure of the present invention.
附图2为本发明一种组合H型钢立柱式托架结构立面图。 Accompanying drawing 2 is the elevation view of a kind of combined H-shaped steel column bracket structure of the present invention.
附图3为本发明一种组合H型钢立柱式托架钢立柱节段接头平面布置图。 Accompanying drawing 3 is a plan layout diagram of a steel column section joint of a combined H-shaped steel column bracket of the present invention.
具体实施方式 Detailed ways
下面通过实施例，并结合附图，对本发明的技术方案作进一步具体的说明，显然，所描述的实施例仅仅是本发明的部分实施例。 The technical solutions of the present invention will be further described in detail through the following embodiments in conjunction with the accompanying drawings. Apparently, the described embodiments are only partial embodiments of the present invention.
实施例1： Example 1:
参见附图1～3，本发明一种组合H型钢立柱式托架，包括主塔柱8，所述主塔柱8底部两侧分别设有两个底座6，所述四个底座6上分别斜向外固设有一个组合H型钢立柱1，每两个所述的组合H型钢立柱1相对于主塔柱8对称；所述每个组合H型钢立柱1的顶部分别与一个滑道梁2的一端连接，所述滑道梁2的另一端放置于位于主塔柱8中部的塔墩支座7上。所述组合H型钢立柱1与主塔柱8之间通过多根连接杆3连接，所述组合H型钢立柱1内部的H型钢之间通过万能杆件10栓接，所述组合H型钢立柱1节段之间通过端头板11由螺栓进行定位连接。所述塔墩支座7两端各设有一个塔墩抗剪支座4，所述两个滑道梁2一端分别与一个组合H型钢立柱1顶部铰接，另一端放置于塔墩抗剪支座4上并通过钢筋互拉连接，所述滑道梁2置于塔墩抗剪支座4上的一端通过所述塔墩支座7内部预留孔中的对拉精轧螺纹钢筋连接，所述每两个在主塔柱8同一侧的组合H型钢立柱1之间通过钢管9连接。 Referring to accompanying drawings 1 to 3, a combined H-shaped steel column bracket of the present invention includes a main tower column 8, two bases 6 are respectively provided on both sides of the bottom of the main tower column 8, and the four bases 6 are respectively A combined H-shaped steel column 1 is fixed obliquely outward, and every two combined H-shaped steel columns 1 are symmetrical to the main tower column 8; the top of each combined H-shaped steel column 1 is connected to a slide beam 2 respectively One end is connected, and the other end of the slideway beam 2 is placed on the tower pier support 7 located in the middle of the main tower column 8 . The combined H-shaped steel column 1 and the main tower column 8 are connected by a plurality of connecting rods 3, and the H-shaped steels inside the combined H-shaped steel column 1 are bolted by universal rods 10, and the combined H-shaped steel column 1 The segments are fixedly connected by bolts through the end plate 11 . A tower pier shear support 4 is respectively provided at both ends of the tower pier support 7, and one end of the two slideway beams 2 is respectively hinged to the top of a combined H-shaped steel column 1, and the other end is placed on the tower pier shear support. on the seat 4 and connected by mutual tension of steel bars, and one end of the slideway beam 2 placed on the shear support 4 of the tower pier is connected through the pair of stretched and finished rolled threaded steel bars in the reserved holes inside the tower pier support 7, Every two combined H-shaped steel columns 1 on the same side of the main tower column 8 are connected by steel pipes 9 .
本发明组合H型钢立柱底节固定在底座上，其它节段通过端头板处螺栓进行连接，滑道梁一端与组合H型钢立柱铰接连接，一端放在塔墩支座上，并通过对拉结构将塔墩支座两侧的滑道梁进行对拉，在组合H型钢立柱和主塔柱之间采用连接杆连接，组合H型钢立柱之间通过钢管连接，以增强稳定性。在横桥向将两个H型钢斜杆连接成整体，共同受力。本发明承载能力大，安装容易，拆卸方便，减少了钢管带来的高空拼接安装困难，而且施工质量更容易保证，减少了施工时间，降低了高空作业危险性，经济方便。 The bottom section of the combined H-shaped steel column of the present invention is fixed on the base, and the other sections are connected by bolts at the end plate. The structure pulls the slideway beams on both sides of the tower pier support in opposite directions, connects the combined H-shaped steel columns and the main tower columns with connecting rods, and connects the combined H-shaped steel columns with steel pipes to enhance stability. In the direction of the bridge, the two H-shaped steel slanting bars are connected as a whole to bear the force together. The invention has large bearing capacity, easy installation and disassembly, reduces the difficulty of high-altitude splicing and installation caused by steel pipes, and is easier to guarantee the construction quality, reduces construction time, reduces the risk of high-altitude operations, and is economical and convenient.
应理解，上述实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所附权利要求书所限定的范围。 It should be understood that the above-mentioned embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
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| CN201310047187.6A CN103103925B (en) | 2013-02-06 | 2013-02-06 | Combined H-shaped steel column bracket |
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| CN201310047187.6A CN103103925B (en) | 2013-02-06 | 2013-02-06 | Combined H-shaped steel column bracket |
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| CN103103925B true CN103103925B (en) | 2015-04-29 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107604827A (en) * | 2017-08-04 | 2018-01-19 | 中铁大桥局集团有限公司 | A kind of porous large-span freely-supported steel truss girder bridge erection method |
| CN108824202B (en) * | 2018-07-05 | 2023-06-09 | 中交第二航务工程局有限公司 | Support system for concrete cable-stayed bridge hanging basket installation and tower area beam cast-in-situ construction |
| CN109356036A (en) * | 2018-11-26 | 2019-02-19 | 中铁六局集团有限公司 | Middle pier pier-side bracket and its construction method |
| CN110241733A (en) * | 2019-06-03 | 2019-09-17 | 中铁大桥局集团有限公司 | An overall installation method for a large-scale space different-plane support |
| CN110374006B (en) * | 2019-07-22 | 2021-08-10 | 中铁大桥局集团有限公司 | Construction method for dismantling space anisotropic large-tonnage steel beam bracket |
| CN110424272A (en) * | 2019-08-27 | 2019-11-08 | 中交路桥华南工程有限公司 | Beam section support in cable tower area and its erection method |
| CN112609578B (en) * | 2020-11-24 | 2022-07-22 | 中铁二局集团有限公司 | Method for mounting steel truss girder at top section of bridge pier of cable-stayed bridge |
| CN115094764B (en) * | 2022-06-30 | 2025-01-10 | 中铁二十局集团第三工程有限公司 | Temporary support and construction method for sea-crossing cable-stayed bridge |
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| JPH0820910A (en) * | 1994-07-05 | 1996-01-23 | Kajima Corp | Construction method of PC cable stayed bridge |
| CN101440606A (en) * | 2008-12-29 | 2009-05-27 | 中铁大桥局股份有限公司 | Pier-side bracket capable of adjusting spatial position of steel beam |
| CN101793010B (en) * | 2010-03-16 | 2012-08-29 | 中交二航局第二工程有限公司 | Arch-included integral pushing method for large-tonnage multi-span combined arch bridge |
| CN101858055A (en) * | 2010-06-04 | 2010-10-13 | 中交第一航务工程局有限公司 | Setting steel pipe bracket support system of cover beam and construction method thereof |
| CN201850510U (en) * | 2010-09-30 | 2011-06-01 | 中铁四局集团第一工程有限公司 | Inverted triangular support of cast-in-situ box girder |
| CN201952736U (en) * | 2011-01-18 | 2011-08-31 | 中铁大桥局集团第五工程有限公司 | Auxiliary pier movable bracket for assisting invariable-amplitude beam erecting crane in erecting steel box girder |
| CN102261042B (en) * | 2011-06-09 | 2013-03-06 | 四川川交路桥有限责任公司 | Cantilever diagonal bracing bracket for casting bridge pier cover beam |
| CN202369921U (en) * | 2011-11-01 | 2012-08-08 | 中铁四局集团第一工程有限公司 | Inverted trapezoidal truss |
| CN102587280B (en) * | 2012-02-14 | 2013-12-25 | 中铁大桥局集团第五工程有限公司 | Main tower area steel truss girder erection method of base support auxiliary frame beam crane and base support |
| CN202595631U (en) * | 2012-05-24 | 2012-12-12 | 山东省路桥集团有限公司 | Bridge structure support |
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