CN215052208U

CN215052208U - Non-horizontal plane pushing transverse limiting device for steel box girder

Info

Publication number: CN215052208U
Application number: CN202121184833.XU
Authority: CN
Inventors: 吴永生; 刘慧�; 李腾达; 侯兆隆
Original assignee: Road and Bridge International Co Ltd; China Communications Road and Bridge North China Engineering Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communications Road and Bridge North China Engineering Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-07
Anticipated expiration: 2031-05-28

Abstract

The application discloses be used for horizontal stop device of non-horizontal plane top of steel box girder top, this be used for the left and right sides that the horizontal stop device of non-horizontal plane top of steel box girder top located the steel box girder, include: the connecting bolt, the wedge-shaped steel base plate and the limiting steel plate assembly are connected; the connecting bolt is embedded and fixed at the top of the cover beam; the wedge-shaped steel base plate and the limiting steel plate assembly are sequentially fixed on the connecting bolt, the lower end face of the wedge-shaped steel base plate is an inclined plane matched with the top face of the cover beam in gradient, and the upper end face of the wedge-shaped steel base plate is a horizontal plane, so that the lower end of the limiting steel plate assembly is fixed on the horizontal plane. This application has reached and has carried out spacing purpose to the lateral shifting of steel case roof beam top pushing in-process to realized preventing that the steel case roof beam from producing the technological effect that lateral sliding when the non-horizontal plane top pushes away, and then still can have the problem that lateral sliding takes place the incident when having solved among the correlation technique steel case roof beam non-horizontal plane top and pushing away.

Description

Non-horizontal plane pushing transverse limiting device for steel box girder

Technical Field

The application relates to the field of steel box girder pushing construction, in particular to a non-horizontal plane pushing transverse limiting device for a steel box girder.

Background

In the pushing construction process of the steel box girder, if the steel box girder is placed on a non-horizontal plane for pushing, the static friction force between the steel box girder and the temporary support can overcome the downward sliding force, but the problem of safety accidents caused by lateral sliding still exists when the steel box girder is acted by external force in the pushing process.

Aiming at the problem that safety accidents caused by lateral sliding still exist when the non-horizontal plane of the steel box girder in the related technology is pushed, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The application mainly aims to provide a non-horizontal plane pushing transverse limiting device for a steel box girder, and the problem that safety accidents occur due to lateral sliding still exists when the non-horizontal plane pushing of the steel box girder in the related art is solved.

In order to realize above-mentioned purpose, this application provides a horizontal stop device is pushed away to non-horizontal plane that is used for steel box girder, should be used for non-horizontal plane of steel box girder to push away horizontal stop device and locate the left and right sides of steel box girder, include: the connecting bolt, the wedge-shaped steel base plate and the limiting steel plate assembly are connected; the connecting bolt is embedded and fixed at the top of the cover beam; the wedge-shaped steel base plate and the limiting steel plate assembly are sequentially fixed on the connecting bolt, the lower end face of the wedge-shaped steel base plate is an inclined plane matched with the top face of the cover beam in gradient, and the upper end face of the wedge-shaped steel base plate is a horizontal plane, so that the lower end of the limiting steel plate assembly is fixed on the horizontal plane.

Furthermore, the spacing between the limiting steel plate assembly and the steel box girder is 10-20 cm.

Furthermore, the height difference between the top end of the limiting steel plate and the bottom end of the steel box girder is 30-50 cm.

Further, spacing steel sheet subassembly include the bottom plate with set firmly in horizontal riser and the vertical riser of bottom plate up end, horizontal riser and the crisscross setting of vertical riser.

Further, 8 connecting bolts are arranged and are evenly divided into two groups to be embedded at the top of the cover beam.

Furthermore, the embedded depth of the connecting bolt is at least 450 mm.

Further, the wedge-shaped steel base plate and the bottom plate are provided with mounting holes corresponding to the connecting bolts, the wedge-shaped steel base plate and the bottom plate are sequentially sleeved on the connecting bolts, and the bottom plate is fixed on the connecting bolts through nuts and tightly presses the wedge-shaped steel base plate.

Furthermore, the thickness of the bottom plate, the transverse vertical plate and the longitudinal vertical plate is 2 cm.

Furthermore, the thickness of the wedge-shaped steel backing plate is 20-39 mm.

Furthermore, the connecting bolt is a 10.9 s-phi 30 full-wire high-strength bolt.

In the embodiment of the application, the connecting bolt, the wedge-shaped steel base plate and the limiting steel plate assembly are arranged; the connecting bolt is embedded and fixed at the top of the cover beam; wedge steel backing plate and spacing steel sheet subassembly are fixed in proper order on the connecting bolt, wedge steel backing plate lower extreme is the inclined plane that matches with bent cap top surface gradient, and the up end is the horizontal plane, so that spacing steel sheet subassembly lower extreme is fixed on the horizontal plane, has reached and has carried out spacing purpose to the lateral shifting of steel box girder top pushing in-process, thereby has realized preventing that the steel box girder from producing the technological effect of lateral sliding when the non-horizontal top of box girder pushes away, and then has solved among the related art still can have the problem that the incident takes place for lateral sliding when the non-horizontal top of steel box girder pushes away.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic structural diagram according to an embodiment of the present application;

FIG. 2 is a side view of a restraint panel assembly according to an embodiment of the present application;

FIG. 3 is a schematic top view of a restraint panel assembly according to an embodiment of the present disclosure;

the steel box girder comprises a steel box girder 1, a limiting steel plate assembly 2, a bottom plate 21, a longitudinal vertical plate 22, a transverse vertical plate 23, a wedge-shaped steel base plate 3, a connecting bolt 4, a capping beam 5, a nut 6 and a mounting hole 7.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 3, the embodiment of the present application provides a horizontal stop device is pushed away to non-horizontal plane that is used for steel box girder 1, should be used for horizontal stop device is pushed away to non-horizontal plane of steel box girder 1 to locate the left and right sides of steel box girder 1, include: the connecting bolt 4, the wedge-shaped steel base plate 3 and the limiting steel plate assembly 2; wherein, the connecting bolt 4 is pre-buried and fixed on the top of the bent cap 5; wedge steel backing plate 3 and spacing steel sheet subassembly 2 are fixed on connecting bolt 4 in proper order, and the terminal surface is the inclined plane that matches with the 5 top surfaces gradient of bent cap under the wedge steel backing plate 3, and the up end is the horizontal plane to make spacing steel sheet subassembly 2 lower extreme fix on the horizontal plane.

In this embodiment, this horizontal stop device sets up to two and is located the both sides that the top of 1 top of steel box girder pushed away the direction, and connecting bolt 4 is pre-buried in advance and is fixed at the top of bent cap 5, and connecting bolt 4 has certain pre-buried degree of depth to improve structural strength. Because the device is applied to the top of non-horizontal plane and pushes away, consequently 5 tops of bent cap and steel box girder 1 all are in the tilt state, and for preventing that steel box girder 1 from producing the side direction and sliding, spacing steel sheet subassembly 2 should be fixed at the horizontal plane, consequently install wedge steel backing plate 3 at spacing steel sheet subassembly 2 lower extreme, wedge steel backing plate 3 is through its lower terminal surface that matches with girder steel top gradient for 3 up ends of wedge steel backing plate are in the horizontal plane, make 2 lower extremes of spacing steel sheet subassembly fix on the horizontal plane of wedge steel backing plate 3.

According to the implementation, the high-strength bolt pre-embedded in the cover beam 5 and the wedge-shaped leveling cushion block are arranged on one side of the cover beam 5, the transverse side distance is about 115cm from the steel box beam, so that the lateral sliding possibly existing when the steel box beam 1 is under the action of external force can be limited, the safety of non-horizontal plane jacking construction of the steel box beam 1 is ensured, the plane position of the steel box beam 1 can be finely adjusted in the jacking process, the steel beam jacking linearity is ensured to meet the design linearity, and the jacking efficiency is improved.

As shown in fig. 1 to 3, the spacing between the limiting steel plate assembly 2 and the steel box girder 1 is 10-20cm, so that friction between the limiting steel plate assembly 2 and the steel box girder 1 is prevented from easily occurring during the pushing process of the steel box girder, and the smooth pushing is not affected. The height difference between the top end of the limiting steel plate assembly 2 and the bottom end of the steel box girder 1 is 30-50cm, so that the steel box girder 1 can be effectively prevented from sliding laterally.

As shown in fig. 1 to 3, the limiting steel plate assembly 2 comprises a bottom plate 21, and a transverse vertical plate 23 and a longitudinal vertical plate 22 which are fixedly arranged on the upper end surface of the bottom plate 21, wherein the transverse vertical plate 23 and the longitudinal vertical plate 22 are arranged in a staggered manner to form a grid-shaped structure, and the adjacent transverse vertical plates 23 and the longitudinal vertical plates 22 are welded and fixed. The longitudinal risers 22 are three, and the transverse risers 23 on the single side of the longitudinal risers 22 are also three, so that the limiting steel plate assembly 2 comprises three longitudinal risers 22 and nine transverse risers 23.

As shown in fig. 1 to 3, the connecting bolts 4 are arranged to be 8 and equally divided into two groups to be embedded at the top of the cover beam 5, and the embedded depth of the connecting bolts 4 is at least 450mm, so that the structural strength of the whole limiting device is ensured.

As shown in fig. 1 to 3, all set up the mounting hole 7 that corresponds with connecting bolt 4 on wedge steel backing plate 3 and the bottom plate 21, wedge steel backing plate 3 and bottom plate 21 overlap in proper order and establish on connecting bolt 4, and bottom plate 21 passes through nut 6 to be fixed on connecting bolt 4 and compresses tightly wedge steel backing plate 3, and is different to bent cap 5 top gradient, need adjust the gradient of wedge steel backing plate 3 lower terminal surface, makes it and 5 tops of bent cap match.

Furthermore, the thicknesses of the bottom plate 21, the transverse vertical plate 23 and the longitudinal vertical plate 22 are all 2cm, the thickness of the wedge-shaped steel backing plate 3 is 20-39mm, and the connecting bolts 4 are

Full-wire high-strength bolt.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a left and right sides that is used for non-horizontal top of steel box girder to push away horizontal stop device locates the steel box girder which characterized in that includes: the connecting bolt, the wedge-shaped steel base plate and the limiting steel plate assembly are connected; wherein the content of the first and second substances,

the connecting bolt is embedded and fixed at the top of the cover beam; the wedge-shaped steel base plate and the limiting steel plate assembly are sequentially fixed on the connecting bolt, the lower end face of the wedge-shaped steel base plate is an inclined plane matched with the top face of the cover beam in gradient, and the upper end face of the wedge-shaped steel base plate is a horizontal plane, so that the lower end of the limiting steel plate assembly is fixed on the horizontal plane.

2. The non-horizontal plane jacking lateral limiting device for the steel box girder according to claim 1, wherein the spacing between the limiting steel plate assembly and the steel box girder is 10-20 cm.

3. The non-horizontal plane jacking lateral limiting device for the steel box girder according to claim 2, wherein the height difference between the top end of the limiting steel plate and the bottom end of the steel box girder is 30-50 cm.

4. The non-horizontal plane jacking lateral limiting device for the steel box girder of claim 3, wherein the limiting steel plate assembly comprises a bottom plate, and a lateral riser and a longitudinal riser which are fixedly arranged on the upper end surface of the bottom plate, and the lateral riser and the longitudinal riser are arranged in a staggered manner.

5. The non-horizontal plane pushing transverse limiting device for the steel box girder according to any one of claims 1 to 4, wherein the number of the connecting bolts is 8, and the connecting bolts are divided into two groups and embedded at the top of the cover girder.

6. The non-horizontal jacking lateral limiting device for the steel box girder according to claim 5, wherein the pre-buried depth of the connecting bolt is at least 450 mm.

7. The non-horizontal plane pushing transverse limiting device for the steel box girder according to claim 6, wherein the wedge-shaped steel base plate and the bottom plate are both provided with mounting holes corresponding to the connecting bolts, the wedge-shaped steel base plate and the bottom plate are sequentially sleeved on the connecting bolts, and the bottom plate is fixed on the connecting bolts through nuts and compresses the wedge-shaped steel base plate.

8. The non-horizontal jacking lateral stop device for a steel box girder according to claim 4, wherein the thickness of the bottom plate, the lateral risers and the longitudinal riser is 2 cm.

9. The non-horizontal jacking lateral limiting device for the steel box girder according to claim 7, wherein the thickness of the wedge-shaped steel backing plate is 20-39 mm.

10. The non-horizontal plane jacking transverse limiting device for the steel box girder according to claim 9, wherein the connecting bolt is a 10.9 s-phi 30 full-wire high-strength bolt.