CN219387254U - Pushing bracket for steel box girder - Google Patents

Abstract

The utility model belongs to the technical field of pushing support, especially, relate to steel case roof beam is with pushing support, including concrete foundation, be provided with many interval arrangement's stand on the concrete foundation, be provided with horizontal distribution roof beam on the stand, be provided with vertical distribution roof beam group on the horizontal distribution roof beam, be provided with walking jack on the vertical distribution roof beam group, be provided with the cushion on the horizontal distribution roof beam, this application regards concrete foundation as the load-bearing basis of support, through increase pre-buried steel sheet in concrete foundation for the stand relies on pre-buried steel sheet to support, the supporting beam that comprises stull and bracing strengthens the supporting stability of stand, the weight of steel case roof beam is distributed to the horizontal distribution roof beam on the stand, and make the even distribution of pressure that receives to the foundation of lower part, the cushion is used for pushing in-process elevation adjustment and beam landing operation, walking pushing device can realize steel case roof beam walking translation and advance.

Description

Pushing bracket for steel box girder

Technical Field

The application belongs to the technical field of pushing supports, and particularly relates to a pushing support for a steel box girder.

Background

The steel box girder is required to be supported and rectified by the jack during hoisting, and the jack is arranged on the pushing support, so that the stability of the pushing support and the arrangement of the jack and the cushion block on the pushing support have important influence on the stability of the steel box girder support and the rectification stability.

Disclosure of Invention

The application is in order to solve above-mentioned problem, and this application provides a steel case roof beam with pushing away support.

The purpose of this application is to provide the top support for steel case roof beam, and this embodiment uses concrete foundation as the load-bearing basis of support, and the supporting beam that comprises stull and bracing strengthens the supporting stability of stand to on the stand horizontal distribution roof beam distributes the weight of steel case roof beam to on the basis that makes the even distribution of pressure that receives to the lower part, the cushion is used for pushing the elevation adjustment of in-process and falls the roof beam operation, and walking formula thrustor can realize steel case roof beam walking type translation and advance.

In order to achieve the purpose of the application, the technical scheme of the application is as follows:

the pushing support for the steel box girder comprises a concrete foundation, wherein a plurality of stand columns are arranged on the concrete foundation at intervals, transverse distribution girders are arranged on the stand columns, longitudinal distribution girder groups are arranged on the transverse distribution girders, walking jacks are arranged on the longitudinal distribution girder groups, and cushion blocks are arranged on the transverse distribution girders.

Further, the longitudinal distribution beam group comprises a plurality of longitudinal distribution beams which are arranged at intervals, adjacent longitudinal distribution beams are arranged at intervals, and the longitudinal distribution beams are fixed on the transverse distribution beams.

Further, an embedded steel plate is arranged in the concrete foundation, and the upright post is connected with the embedded steel plate.

Further, the reinforced net is arranged inside the concrete foundation, and the reinforced net is arranged at the top, the bottom and the side parts of the concrete foundation.

Further, a supporting beam is arranged between the upright posts.

Further, the supporting beam comprises inclined struts which are obliquely arranged and transverse struts which are horizontally arranged, one end of each inclined strut is connected with one upright post, the other end of each inclined strut is connected with the other upright post, one end of each transverse strut is connected with one upright post, and the other end of each transverse strut is connected with the other upright post.

Further, the transverse distribution beam and the longitudinal distribution beam are made of I-shaped steel.

Further, a transition block is arranged between the upright post and the transverse distribution beam, one end of the transition block is fixedly connected with the upright post, and the other end of the transition block is fixedly connected with the transverse distribution beam.

Further, a plurality of reinforcing rib plates are arranged at the joint of the upright post and the embedded steel plate.

Further, a plurality of reinforcing rib plates are arranged at the joint of the upright post and the transition block.

Compared with the prior art, the beneficial effects of this application are:

1. according to the steel box girder walking type pushing device, the concrete foundation is taken as a bearing foundation of the support, the embedded steel plates are added in the concrete foundation, the upright posts are supported by the embedded steel plates, the supporting stability of the upright posts is enhanced by supporting beams formed by the transverse supporting beams and the inclined supporting beams, the weight of the steel box girders is distributed by the transverse distribution beams on the upright posts, the received pressure is evenly distributed to the lower portion of the foundation, the cushion blocks are used for elevation adjustment and girder falling operation in the pushing process, and the walking type pushing device can realize walking type translational advancing of the steel box girders.

2. According to the method, the transition blocks are arranged on the stand columns, the contact area between the transverse distribution beams and the stand columns is increased, and the supporting stability of the transverse distribution beams is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.

FIG. 1 is a schematic overall structure of the present application;

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

fig. 3 is a schematic front view of the present application.

In the figure:

1. the concrete foundation comprises pre-buried steel plates, 2, upright posts, 3, transition blocks, 4, transverse distribution beams, 5, longitudinal distribution beam groups, 6, walking jacks, 7, cushion blocks, 8, connecting plates, 9, transverse struts, 10, diagonal struts, 11 and concrete.

Detailed Description

The present application is further described below with reference to the drawings and examples.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In the present application, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are merely relational terms, which are merely determined for convenience in describing the structural relationships of the various components or elements of the present application, and do not denote any one component or element of the present application, and are not to be construed as limiting the present application.

Example 1

The embodiment is a pushing support for a steel box girder, provide a comparatively reliable support for numerous pushing supports at present, including concrete foundation 11, in this embodiment, concrete foundation 11 can be the cuboid structure of C25 concrete, the foundation width is 4500mm, height 1000mm, length 7500mm, the reinforcing bar net has been laid to this embodiment inside concrete foundation 11, the reinforcing bar net is laid at concrete foundation 11's top, bottom and lateral part, concrete position is concrete foundation 11's inside apart from top surface, bottom surface and side 50mm department, install many stand 2 of interval arrangement on the concrete foundation 11, stand 2 is the diameter is 630mm, wall thickness 10 mm's steel pipe, concrete foundation 11 embeds pre-buried steel sheet 1, stand 2 and pre-buried steel sheet 1 fixed connection, fixed connection scheme adopts bolted connection, pre-buried steel sheet 1 adopts 16 mm's wall thickness's steel sheet, also can adopt channel-section steel structure, the junction of stand 2 and pre-buried steel sheet 1 has the reinforcing rib plate for stand 2 and pre-buried steel sheet 1's structural stability increases.

The embodiment arranges a transverse distribution beam 4 on a vertical column 2, in particular, the vertical column 2 and the transverse distribution beam 4 are not directly connected, a transition block 3 is arranged between the vertical column 2 and the transverse distribution beam 4, the diameter of the transition block 3 is larger than that of the vertical column 2 but slightly larger than that of the vertical column 2, one end of the transition block 3 is fixedly connected with the vertical column 2, the other end of the transition block 3 is fixedly connected with the transverse distribution beam 4 in a bolt connection mode, and a plurality of reinforcing rib plates are arranged at the connection part of the vertical column 2 and the transition block 3, in the embodiment, the contact area between the transverse distribution beam 4 and the vertical column 2 is increased by arranging the transition block 3 on the vertical column 2, the supporting stability of the transverse distribution beam 4 is increased, a longitudinal distribution beam group 5 is arranged on the transverse distribution beam 4, the longitudinal distribution beam group 5 and the transverse distribution beam 4 are fixedly connected together, the child relationship is that the longitudinal distribution beam group is provided with a plurality of positions, the longitudinal distribution beam group 5 comprises a plurality of longitudinal distribution beams which are arranged at intervals, the adjacent longitudinal distribution beams are arranged at intervals, the longitudinal distribution beams are fixed on the transverse distribution beam 4 in a bolt matching and welding connection mode, the transverse distribution beam 4 and the longitudinal distribution beam are I-shaped steel, the I-shaped steel size of the longitudinal distribution beam is smaller than that of the transverse distribution beam 4, the walking jack 6 is arranged on the longitudinal distribution beam group 5, the cushion block 7 is arranged on the transverse distribution beam 4, the cushion block 7 adopts a steel structure foundation and a concrete foundation, and the cushion block 7 is arranged between the longitudinal distribution beam groups 5.

As a more stable embodiment, a supporting beam is arranged between the upright posts 2, the supporting beam comprises an inclined stay 10 which is obliquely arranged and a horizontal stay 9 which is horizontally arranged, one end of the inclined stay 10 is connected with one upright post 2, the other end of the inclined stay 10 is connected with the other upright post 2, one end of the horizontal stay 9 is connected with one upright post 2, the other end of the horizontal stay 9 is connected with the other upright post 2, more specifically, a connecting plate 8 is welded on the upright post 2 as a supporting structure, and the connecting plate 8 is fixedly connected with the horizontal stay 9 and the inclined stay 10 through bolts.

In this embodiment, before the pushing system is used, the whole debugging and exercise should be performed, especially, the walking jack 6 used in this embodiment needs to be tested, so as to ensure the normal operation of the walking jack 6, where the walking jack 6 is a currently commonly used jack structure, and includes a longitudinal jack and a vertical jack, and can move according to the deviation correction value in the pushing process, in this embodiment, the 400T walking jack 6 is adopted, and in addition, a stroke sensor is installed on the oil cylinder of the walking jack 6, so as to measure the lifting or lowering height of each device in real time, and each walking jack 6 is correspondingly provided with a lifting proportional valve, so as to adjust the flow of hydraulic oil to the oil cylinder of the device.

In addition, the embodiment forms an integral system through a plurality of groups of pushing brackets, monitors the movement deviation of the steel box girder in real time, and uses the walking jack 6 to correct the deviation in time.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations which may be resorted to without undue burden to those skilled in the art, having the benefit of the present application.

Claims (10)

1. The pushing support for the steel box girder is characterized by comprising a concrete foundation (11), wherein a plurality of stand columns (2) which are arranged at intervals are arranged on the concrete foundation (11), transverse distribution girders (4) are arranged on the stand columns (2), longitudinal distribution girder groups (5) are arranged on the transverse distribution girders (4), walking jacks (6) are arranged on the longitudinal distribution girder groups (5), and cushion blocks (7) are arranged on the transverse distribution girders (4).

2. The pushing bracket for steel box girders according to claim 1, wherein the longitudinal distribution girder group (5) comprises a plurality of longitudinal distribution girders arranged at intervals, adjacent longitudinal distribution girders are arranged at intervals, and the longitudinal distribution girders are fixed on the transverse distribution girders (4).

3. The pushing support for the steel box girder according to claim 1, wherein an embedded steel plate (1) is arranged in the concrete foundation (11), and the upright post (2) is connected with the embedded steel plate (1).

4. A pushing support for a steel box girder according to claim 3, wherein the concrete foundation (11) is internally provided with a reinforcing mesh, and the reinforcing mesh is arranged at the top, bottom and side of the concrete foundation (11).

5. The pushing bracket for steel box girders according to claim 1, characterized in that supporting beams are arranged between the uprights (2).

6. The pushing bracket for a steel box girder according to claim 5, wherein the supporting beam comprises a diagonal brace (10) which is obliquely arranged and a horizontal brace (9) which is horizontally arranged, one end of the diagonal brace (10) is connected with one upright (2), the other end of the diagonal brace (10) is connected with the other upright (2), one end of the horizontal brace (9) is connected with one upright (2), and the other end of the horizontal brace (9) is connected with the other upright (2).

7. The pushing bracket for the steel box girder according to claim 2, wherein the transverse distribution girder (4) and the longitudinal distribution girder are I-shaped steel.

8. The pushing support for the steel box girder according to claim 1, wherein a transition block (3) is arranged between the upright post (2) and the transverse distribution girder (4), one end of the transition block (3) is fixedly connected with the upright post (2), and the other end of the transition block (3) is fixedly connected with the transverse distribution girder (4).

9. A pushing support for steel box girders according to claim 3, characterized in that a plurality of reinforcing ribs are arranged at the connection of the upright post (2) and the embedded steel plate (1).

10. The pushing bracket for the steel box girder according to claim 8, wherein a plurality of reinforcing rib plates are arranged at the joint of the upright post (2) and the transition block (3).