CN219058435U - Bridge slope regulating integral jacking device - Google Patents

Abstract

The utility model relates to the technical field of bridges, in particular to a bridge slope-adjusting integral jacking device, which comprises: the steel corbel is arranged on the surface of the capping beam, and the jack for replacing the support is arranged on the surface of the steel corbel; the surface of the embracing column beam is provided with a limit hole; the bridge piers are provided with longitudinal limiting bailey beams; the beneficial effects are as follows: the jack of the utility model adopts the self-locking jack, can be automatically locked through the mechanical lock in time in the jack lifting process, avoids accidents such as hydraulic leakage or sealed oil leakage, has good safety, and the jack of the utility model adopts the spherical hinge type jack, when in lifting, the ball head of the jack top automatically adjusts the ball head of the cylinder along with the change of the gradient of the upper structure along with the change of the gradient, thereby ensuring the vertical stress of the jack, and solving the serious risk of jack failure caused by overlarge horizontal unbalanced load of the jack caused by the gradient change in the jack lifting process.

Description

Bridge slope regulating integral jacking device

Technical Field

The utility model relates to the technical field of bridges, in particular to a bridge slope-adjusting integral jacking device.

Background

With the rapid development of traffic industry in China, the prior bridge is difficult to meet the requirement of the prior traffic, and the improvement and utilization of the old bridge become more and more important while the new bridge is continuously increased. Generally, the construction method has the best reconstruction effect when dismantling the old bridge, but often suffers from the problems of long construction period, large influence on the original traffic, high cost, serious harm to the environment and the like, so that the search for a construction scheme capable of reducing the adverse influence of construction as much as possible, and particularly minimizing the engineering cost and the influence on the environment is very important and urgent.

In recent years, the jacking technology, particularly the control hydraulic synchronous jacking technology, has been developed and perfected at a rapid rate, has been widely applied in the aspect of lifting the beam body due to aging of the support, insufficient passing space under the bridge or connection of new and old bridges, and the like, and has the characteristics of simple principle, small stress influence on the original bridge structure, short construction period, no need of dismantling and reconstructing the old bridge, and the like. At present, a common construction method for lifting a bridge is provided with a hydraulic jack to provide power, and a follow-up jack is used for assisting in lifting, so that the scheme has a certain safety risk for the bridge with large lifting height and slope adjustment requirements, partial bridge lifting engineering has safety problems, and in addition, the technical means for limiting the longitudinal sliding of a beam body in the lifting process is insufficient due to the slope adjustment.

Disclosure of Invention

The utility model aims to provide a bridge slope-adjusting integral jacking device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: bridge transfers whole jacking device of slope, include:

the steel corbel is arranged on the surface of the capping beam, and the jack for replacing the support is arranged on the surface of the steel corbel;

the surface of the embracing column beam is provided with a limit hole;

the bridge piers are provided with longitudinal limiting bailey beams.

Preferably, the jack for replacing the support comprises a jack cylinder, a jack ball head is arranged at the top of the jack cylinder, the jack for replacing the support is a self-locking spherical hinge jack, and the top of the jack ball head is in contact with the small box girder.

Preferably, the bottom of pier is provided with the cushion cap thickened concrete, and the bottom of cushion cap thickened concrete is provided with the cushion cap, and the cushion cap thickened concrete has multiunit, and multiunit cushion cap thickened concrete is fixed at the top of cushion cap.

Preferably, the bottom of the bearing platform thickened concrete is fixedly provided with a concrete limit column and a steel pipe support, the steel pipe support is provided with a plurality of groups, and the plurality of groups of steel pipe supports are uniformly arranged at the top of the bearing platform thickened concrete.

Preferably, the top of the steel pipe support is provided with a jack for lifting, the top of the jack for lifting is contacted with the longitudinal limiting bailey beam, and the longitudinal limiting bailey beam is enabled to move up and down through the jack for lifting.

Preferably, a concrete filled steel tube limit frame is arranged at the top of the embracing column beam.

Compared with the prior art, the utility model has the beneficial effects that:

the jack of the utility model adopts the self-locking jack, can be automatically locked through the mechanical lock in time in the jack lifting process, avoids accidents such as hydraulic leakage or sealed oil leakage, has good safety, the jack of the utility model adopts the spherical hinge type jack, the ball head of the jack top automatically adjusts the ball head of the cylinder along with the change of the gradient of the upper structure during lifting, ensures the vertical stress of the jack, solves the serious risk of jack failure caused by overlarge horizontal unbalanced load of the jack due to the change of the gradient in the jack lifting process, and the limit system of the utility model is formed by adopting different limit devices according to different lifting working conditions, wherein the bridge pier is provided with limit holes in the middle and at two sides of the locking column beam, the middle limit holes are provided with steel structure constructional columns, and the limit holes at two sides are used for pouring concrete limit columns; a door type Bailey beam limiting frame is arranged between the bridge abutment and the bridge; and a longitudinal bailey connecting beam is arranged between the piers, and is hinged with the piers, so that the bridge pier can adapt to vertical changes caused by different lifting heights of the tops of the piers. The lifting bridge structure is limited by the limiting devices, so that the stability and safety of the lifting bridge structure can be improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic view of the structure of the ball head of the jack according to the utility model.

In the figure: the lifting jack comprises a small box girder 1, a capping girder 2, a lifting jack 3 for replacing a support, a steel bracket 4, a bridge pier 5, a column holding girder 6, a steel pipe concrete limiting frame 7, a concrete limiting column 8, a longitudinal limiting bailey girder 9, a lifting jack 10, a steel pipe support 11, a bearing platform thickened concrete 12, a bearing platform 13, a jack cylinder 14 and a jack ball 15.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present utility model provides a technical solution: bridge transfers whole jacking device of slope, include: the device comprises a capping beam 2, wherein a steel bracket 4 is arranged on the surface of the capping beam 2, a jack 3 for replacing a support is arranged on the surface of the steel bracket 4, the jack 3 for replacing the support comprises a jack cylinder 14, a jack ball 15 is arranged at the top of the jack cylinder 14, the jack 3 for replacing the support is a self-locking spherical hinge jack, and the top of the jack ball 15 is in contact with a small box beam 1;

the column holding beam 6, the surface of the column holding beam 6 is provided with a limit hole, and the top of the column holding beam 6 is provided with a concrete filled steel tube limit frame 7; the bridge pier 5, be provided with vertical spacing bailey beam 9 between the bridge pier 5, the bottom of bridge pier 5 is provided with cushion cap thickened concrete 12, the bottom of cushion cap thickened concrete 12 is provided with cushion cap 13, cushion cap thickened concrete 12 has the multiunit, multiunit cushion cap thickened concrete 12 is fixed at the top of cushion cap 13, the bottom of cushion cap thickened concrete 12 is fixed with concrete spacing post 8 and steel pipe support 11, steel pipe support 11 has the multiunit, multiunit steel pipe support 11 even arranges at the top of cushion cap thickened concrete 12, the top of steel pipe support 11 is provided with jack 10 for the jacking, jack 10 for the jacking's top and vertical spacing bailey beam 9 contact, make vertical spacing bailey beam 9 reciprocate through jack 10 for the jacking.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims (6)

1. Bridge transfers whole jacking device of slope, its characterized in that: the bridge slope adjusting integral jacking device comprises:

the steel bracket comprises a cover beam (2), wherein steel brackets (4) are arranged on the surface of the cover beam (2), and jacks (3) for replacing supports are arranged on the surface of the steel brackets (4);

the column holding beam (6), the surface of the column holding beam (6) is provided with a limit hole;

and the bridge piers (5) are provided with longitudinal limiting bailey beams (9) between the bridge piers (5).

2. The bridge slope regulating integral jacking device of claim 1, wherein: the jack (3) for replacing the support comprises a jack oil cylinder (14), a jack ball head (15) is arranged at the top of the jack oil cylinder (14), the jack (3) for replacing the support is a self-locking spherical hinge jack, and the top of the jack ball head (15) is in contact with the small box girder (1).

3. The bridge slope regulating integral jacking device of claim 2, wherein: the bottom of pier (5) is provided with cushion cap thickened concrete (12), and the bottom of cushion cap thickened concrete (12) is provided with cushion cap (13), and cushion cap thickened concrete (12) have multiunit, and multiunit cushion cap thickened concrete (12) are fixed at the top of cushion cap (13).

4. The bridge slope regulating integral jacking device of claim 3, wherein: the bottom of the bearing platform thickened concrete (12) is fixedly provided with a concrete limit column (8) and steel pipe supports (11), the steel pipe supports (11) are provided with a plurality of groups, and the plurality of groups of steel pipe supports (11) are uniformly arranged at the top of the bearing platform thickened concrete (12).

5. The bridge slope regulating integral jacking device of claim 4, wherein: the top of steel pipe support (11) is provided with jack (10) for the jack, and the top of jack (10) for the jack contacts with vertical spacing bailey beam (9), makes vertical spacing bailey beam (9) reciprocate through jack (10) for the jack.

6. The bridge slope regulating integral jacking device of claim 5, wherein: the top of the embracing column beam (6) is provided with a steel tube concrete limiting frame (7).

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