Arched girder integrated mounting bracket structure
By using an integrated arch-beam installation support structure, the problems of stability and uneven load caused by the separation of the arch rib support and tie beam support in steel arch bridges are solved, realizing the overall stability of the support and the uniform transfer of load, and reducing the difficulty of construction.
Patent Information
- Application Number
- CN202520143505.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing technologies, the arch rib supports and tie beam supports of steel arch bridges are separated, resulting in weak support stability, uneven load distribution, high construction difficulty, and significant impact on the steel tie beams.
An integrated arch-beam installation support structure is adopted, with the lower segment support directly driven into the foundation to form an integrated installation. The load is directly transferred to the foundation, improving the stability of the support. The components are connected by pins and U-bolts to form an integral structure.
It improves the overall stability of the support structure and the uniform distribution of loads, reduces the impact on the steel beams, and simplifies the construction process.
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Figure CN223824036U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge construction technical field especially is related to an arch beam integrated installation support structure. BACKGROUND
[0002] Steel structure arch bridge is one of main bridge structure forms, in the process of installing tie beam and arch rib component, support structure is indispensable temporary structure. How can the support be conveniently set up, and reliable support is provided for arch rib and tie beam is the key problem that needs to be solved in the construction process of this kind of bridge. In the prior art, the arch rib support and the tie beam support are separated, the arch rib support is installed on the steel beam, and the load is transmitted to the tie beam support through the steel beam. The stability of this support structure is weak, and other measures are generally needed to ensure the stability of the arch rib, and the construction difficulty is relatively high. In the prior art, the arch rib support is supported on the top surface of the tie beam, and all loads need to be transmitted to the lower support through the tie beam. The support reaction force is large, and the stability of the top support is weak. SUMMARY
[0003] The utility model discloses a kind of arch beam integrated installation support structures to overcome the defects of the above prior art, make full use of support outer side column is directly driven into foundation, form integrated installation support, improve the stability of support, the load of arch rib part is directly transmitted to foundation, reduce the influence on steel tie beam. The load of structure can be more evenly transmitted to foundation, avoid the load of single steel pipe column being too large.
[0004] The purpose of the utility model can be realized by the following technical solutions:
[0005] The utility model provides a kind of arch beam integrated installation support structure, comprising: lower section support, lower section transverse connection, lower section crossbeam, tie beam installation cushion block, steel tie beam, upper section support, upper section transverse connection, upper section crossbeam, arch rib installation cushion block, steel arch rib, support joint;
[0006] The lower section support is driven into foundation, and the lower section transverse connection is arranged between the steel pipe column, and the lower section crossbeam and the tie beam installation cushion block are arranged on the top surface of the two groups of steel pipe columns inside the lower section support top, to provide support for the installation of steel tie beam;
[0007] The inner side steel pipe column of the upper section support is supported on the top surface of the steel tie beam, and the outer side of the upper section support is welded with the outer side column of the lower section support;After the steel pipe column of the upper section support and the upper section transverse connection, the upper section crossbeam and the arch rib installation cushion block are welded into a whole, the whole section is lifted and installed;
[0008] The lower section support and the upper section support are connected as a whole, directly connected with foundation foundation, improve the overall stability of support and the reliability of connection.
[0009] Further, the lower segment support is a pre-embedded support, which is pre-placed in the soil by hammering or drilling before the arch beam support is installed.
[0010] Further, the two groups of steel pipe columns on the top inner side of the lower segment support are connected between the top surfaces and the lower segment cross beams through pin shafts.
[0011] Further, the tie beam mounting cushion block is fixedly connected with the steel tie beam through a U-shaped bolt.
[0012] Further, the arch rib mounting cushion block is fixedly connected with the steel arch rib through a U-shaped bolt.
[0013] Further, the lower segment support comprises three groups of steel pipe columns.
[0014] Further, the upper segment support comprises two groups of steel pipe columns.
[0015] Further, the top ends of the steel pipe columns are all provided with ear plates, so as to facilitate butt joint and stability.
[0016] Further, the steel tie beam is an HM398*28 type steel.
[0017] Further, the steel arch rib is an HW300*300*10*16 type steel.
[0018] Compared with the prior art, the arch beam integrated installation support structure has the following advantages:
[0019] The arch beam integrated installation support structure fully utilizes the direct driving into the foundation of the support outer side columns, forms an integrated installation support, improves the support stability, directly transmits the arch rib part load to the foundation, reduces the influence on the steel tie beam, and can more evenly transmit the load of the structure to the foundation, and avoids that the load of a single steel pipe column is too large. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a general layout of the arch beam integrated installation support structure;
[0021] Figure 2 It is a tie beam installation schematic view of the arch beam integrated installation support structure;
[0022] Figure 3 It is an arch rib installation schematic view of the arch beam integrated installation support structure.
[0023] The drawings show that: 1, lower segment support; 2, lower segment cross link; 3, lower segment cross beam; 4, tie beam mounting cushion block; 5, steel tie beam; 6, upper segment support; 7, upper segment cross link; 8, upper segment cross beam; 9, arch rib mounting cushion block; 10, steel arch rib, 11, support joint, 12, ground line. DETAILED DESCRIPTION
[0024] The utility model will be described in detail below in combination with the drawings and specific embodiments. In the technical scheme, the components, material names, connection structures, control methods, algorithms and other features not explicitly described are considered as common technical features disclosed in the prior art.
[0025] Embodiment 1
[0026] The embodiment provides an arch beam integrated installation support structure, as shown in FIGS. Figure 1 、 2 , 3, comprising: a lower segment support 1, a lower segment cross link 2, a lower segment cross beam 3, a tie beam installation cushion block 4, a steel tie beam 5, an upper segment support 6, an upper segment cross link 7, an upper segment cross beam 8, an arch rib installation cushion block 9, a steel arch rib 10, and a support joint 11.
[0027] The lower segment support 1 is driven into the foundation, the lower segment cross link 2 is arranged between the steel pipe columns, and the lower segment cross beam 3 and the tie beam installation cushion block 4 are arranged on the top inner side of the two groups of steel pipe columns, thereby providing support for the installation of the steel tie beam 5.
[0028] The inner side steel pipe column of the upper segment support 6 is supported on the top surface of the steel tie beam 5, and the outer side of the upper segment support 6 is welded with the outer side column of the lower segment support 1; after the steel pipe column of the upper segment support 6 and the upper segment cross link 7, the upper segment cross beam 8, and the arch rib installation cushion block 9 are welded into an integral whole, the entire segment is hoisted and installed.
[0029] The lower segment support 1 and the upper segment support 6 are connected into an integral whole and directly connected with the foundation base, thereby improving the overall stability of the support and the reliability of the connection.
[0030] In the specific embodiment, the lower segment support 1 is a pre-buried support, which is pre-placed in the soil by hammering or drilling before the installation of the arch beam support. A part of the lower segment support 1 is buried below the ground line 12.
[0031] In the specific embodiment, the top inner side of the two groups of steel pipe columns and the lower segment cross beam 3 are connected by a pin shaft.
[0032] In the specific embodiment, the tie beam installation cushion block 4 is fixedly connected with the steel tie beam 5 by a U-shaped bolt.
[0033] In the specific embodiment, the arch rib installation cushion block 9 is fixedly connected with the steel arch rib 10 by a U-shaped bolt.
[0034] In the specific embodiment, the lower segment support 1 comprises three groups of steel pipe columns.
[0035] In the specific embodiment, the upper segment support 6 comprises two groups of steel pipe columns. In the specific embodiment, the lower segment support 1 comprises three groups of steel pipe columns.
[0036] In a specific implementation, the top of each steel pipe column is equipped with an ear plate to facilitate connection and stabilization.
[0037] In a specific embodiment, the steel tie beam 5 is HM398*28 steel.
[0038] In a specific embodiment, the steel arch rib 10 is HW300*300*10*16 steel.
[0039] Components not described in detail in this embodiment are all existing components that can be purchased through public channels.
[0040] The above description of the embodiments is provided to enable those skilled in the art to understand and use the utility model. It will be apparent to those skilled in the art that various modifications can be easily made to these embodiments, and the general principles described herein can be applied to other embodiments without inventive effort. Therefore, the present utility model is not limited to the above embodiments, and any improvements and modifications made by those skilled in the art based on the disclosure of the present utility model without departing from its scope should be within the protection scope of the present utility model.
Claims
1. An integrated arch beam mounting bracket structure, characterized in that, include: Lower segment support (1), lower segment cross bracing (2), lower segment crossbeam (3), tie beam mounting pad (4), steel tie beam (5), upper segment support (6), upper segment cross bracing (7), upper segment crossbeam (8), arch rib mounting pad (9), steel arch rib (10), support joint (11); The lower segment support (1) is driven into the foundation, and the lower segment cross bracing (2) is set between the steel pipe columns. The lower segment cross beam (3) and tie beam installation pad (4) are set on the top surface of the two sets of steel pipe columns on the inner side of the lower segment support (1) to provide support for the installation of the steel tie beam (5). The inner steel pipe column of the upper segment support (6) is supported on the top surface of the steel tie beam (5), and the outer side of the upper segment support (6) is welded to the outer column of the lower segment support (1); after the steel pipe column of the upper segment support (6), the upper segment cross brace (7), the upper segment cross beam (8), and the arch rib mounting pad (9) are welded into a whole, the entire segment is lifted and installed. The lower segment support (1) and the upper segment support (6) are connected as one unit and directly connected to the foundation, which improves the overall stability of the support and the reliability of the connection.
2. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The lower segment support (1) is a pre-embedded support, which is pre-placed in the soil by hammering or drilling before the arch beam support is installed.
3. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The top surfaces of the two sets of steel pipe columns on the inner side of the top of the lower segment support (1) and the lower segment crossbeam (3) are connected by a pin.
4. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The tie beam mounting pad (4) is fixedly connected to the steel tie beam (5) by U-bolts.
5. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The arch rib mounting pad (9) is fixedly connected to the steel arch rib (10) by U-bolts.
6. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The lower segment support (1) includes three sets of steel pipe columns.
7. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The upper segment support (6) includes two sets of steel pipe columns.
8. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The top of each steel pipe column is equipped with an ear plate for easy connection and stability.
9. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The steel tie beam (5) is HM398*28 steel.
10. The integrated arch beam mounting bracket structure according to claim 1, characterized in that, The steel arch rib (10) is HW300*300*10*16 steel.