CN111979927A - A curved guide beam - Google Patents

Abstract

The invention discloses a curved guide beam, comprising: an inner guide beam and an outer guide beam located in the same horizontal plane, the inner guide beam and the outer guide beam are curved structures bent toward the same side, the inner guide beam and the outer guide beam pass through the Connecting components are connected. When the length of the inner guide beam and the outer guide beam is long, multiple sets of transverse connecting components can be selected for connection. Since the inner guide beam and the outer guide beam are curved structures, they can be adapted to the construction of curved bridges.

Description

A curved guide beam

technical field

The invention relates to the field of bridge construction, in particular to a curved guide beam.

Background technique

With the development of bridge construction, limited by the original buildings and terrain conditions, the application of small-radius curved bridges has become more and more extensive.

In the current bridge construction, the jacking method is widely used. The main equipment of the jacking method construction is the guide beam set at the front end of the beam to adapt to the span of the bridge and reduce the cantilever length of the beam during the jacking process. However, the existing guide beams are usually linear structures, which cannot meet the construction requirements of curved bridges.

Therefore, how to provide a guide beam to adapt it to the construction of a curved bridge is a technical problem that those skilled in the art need to solve urgently.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a curved guide beam, which can effectively meet the construction of curved bridges.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:

A curved guide beam, comprising: an inner guide beam and an outer guide beam located in the same horizontal plane, the inner guide beam and the outer guide beam are curved structures bent toward the same side, the inner guide beam and the outer guide beam are curved structures. The guide beams are connected by transverse connection assemblies.

Preferably, both the inner guide beam and the outer guide beam comprise a plurality of segmented beams connected in sequence.

Preferably, the adjacent segmented beams are detachably connected by connecting pieces.

Preferably, the connecting piece includes a connecting plate and a fastener, and the connecting plate is connected to the adjacent segmented beam by the fastener.

Preferably, the sections of the inner guide beam and the outer guide beam are tapered from one end to the other end.

Preferably, the cross-sectional height and width of the inner guide beam and the outer guide beam are linearly tapered from one end to the other end.

Preferably, both the inner guide beam and the outer guide beam include a bottom plate, a top plate, a horizontal stiffening plate, a vertical stiffening plate, a bottom stiffening plate and a web, and the top plate and the bottom plate are respectively located at the bottom of the web. On the upper side and the lower side, the horizontal stiffening plate and the vertical stiffening plate are located on the side of the web, and the bottom stiffening plate is located at the bottom of the side of the web.

Preferably, the transverse connection assembly includes two transverse trusses and two oblique trusses, and the two oblique trusses are located crosswise between the two transverse trusses.

Preferably, the two transverse trusses are respectively connected to the adjacent segmented beams.

Preferably, each of the transverse truss and the oblique truss includes an upper chord, a lower chord, a straight web and a diagonal web, and the upper chord and the lower chord pass through the straight web and the diagonal web connect.

Compared with the prior art, the above technical solution has the following advantages:

A curved guide beam provided by the present invention includes: an inner guide beam and an outer guide beam located in the same horizontal plane, the inner guide beam and the outer guide beam are curved structures bent toward the same side, and the inner guide beam and the outer guide beam pass through Transverse connection components are connected. When the length of the inner guide beam and the outer guide beam is long, multiple sets of transverse connection components can be selected for connection. Since the inner guide beam and the outer guide beam are curved structures, they can be adapted to the construction of curved bridges.

Description of drawings

In order to illustrate the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is a top-view structural schematic diagram of a curved guide beam provided by a specific embodiment of the present invention;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is the exploded view of Fig. 2;

Fig. 4 is the exploded view of Fig. 1;

Fig. 5 is a top-view structural schematic diagram of the transverse connection assembly in Fig. 1;

Fig. 6 is the structural schematic diagram of the transverse truss in Fig. 5;

FIG. 7 is a schematic structural diagram of the oblique truss in FIG. 5 .

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar promotions without departing from the connotation of the present invention. Accordingly, the present invention is not limited by the specific embodiments disclosed below.

Please refer to FIGS. 1 to 7 . FIG. 1 is a schematic top view of a curved guide beam according to a specific embodiment of the present invention; FIG. 2 is a front view of FIG. 1 ; FIG. 3 is an exploded view of FIG. 2 ; Fig. 4 is an exploded view of Fig. 1; Fig. 5 is a schematic top view of the horizontal connection assembly in Fig. 1; Fig. 6 is a schematic structural diagram of the transverse truss in Fig. 5; Fig. 7 is a schematic structural diagram of the oblique truss in Fig. 5 .

A specific embodiment of the present invention provides a curved guide beam, comprising: an inner guide beam 1 and an outer guide beam 2 located in the same horizontal plane, and the inner guide beam 1 and the outer guide beam 2 are curved lines bent toward the same side type structure, wherein the curved shapes of the inner guide beam 1 and the outer guide beam 2 are preferably circular arcs, and the inner guide beam 1 and the outer guide beam 2 are connected by the transverse connection assembly 3. When the length of the inner guide beam 1 and the outer guide beam 2 When longer, multiple sets of transverse connection components 3 can be selected for connection. Since the inner guide beam 1 and the outer guide beam 2 have a curved structure, they can be adapted to the construction of curved bridges.

Specifically, both the inner guide beam 1 and the outer guide beam 2 include a plurality of segmented beams connected in sequence. It can be seen that the inner guide beam 1 and the outer guide beam 2 are both split structures, so a corresponding number of segments can be selected according to the construction scene. Beams are assembled to improve the adaptability of the guide beams, wherein the multi-segmented beams play the role of substituting bending, that is, the curved structures of the inner guide beam 1 and the outer guide beam 2 can be formed by multi-segment beams.

Further, adjacent segmented beams are detachably connected by connecting pieces. Through the detachable connection, the maintenance of the inner guide beam 1 and the outer guide beam 2 can be facilitated, and the transportation is also convenient.

Wherein, the connecting piece specifically includes a connecting plate 6 and a fastener 7, the fastener is preferably a bolt, and the connecting plate 6 is connected to the adjacent segmented beam through the fastener 7. During installation, the connecting plate 6 is arranged on the outer side of the connection of the adjacent segmented beams, and then the bolts are passed through the connecting plate 7 and the segmented beam to realize the connection between the adjacent segmented beams.

Further, under the premise of satisfying safety, the cross-sections of the inner guide beam 1 and the outer guide beam 2 are tapered from one end to the other end, that is, the weight of the guide beam can be effectively reduced by the guide beam with variable cross-section. Specifically, the section height and width of the inner guide beam 1 and the outer guide beam 2 are linearly tapered from one end to the other end, and the end with the smaller section is provided with a nose bridge.

Specifically, both the inner guide beam 1 and the outer guide beam 2 include a bottom plate, a top plate, a horizontal stiffening plate, a vertical stiffening plate, a bottom stiffening plate and a web plate. The plate and the vertical stiffening plate are located on the side of the web, and the bottom stiffening plate is located at the bottom of the side of the web. The horizontal stiffening plate, the vertical stiffening plate and the bottom stiffening plate are arranged on both sides of the web, and each plate is preferably a steel plate. Connections can be made by welding. When the inner guide beam 1 and the outer guide beam 2 are multi-segment structures, each segmented beam includes a bottom plate, a top plate, a horizontal stiffening plate, a vertical stiffening plate, a bottom stiffening plate and a web plate. Take 4 sections of segmented beams as an example, which are marked as A, B, C, and D respectively. The A-section segmented beam is fixed on the main beam 4, and the nose bridge 5 is set at the end of the D-section segmented beam. Sectional structure, a high-height segmented beam can be set with a large number of horizontal stiffening plates, the specific structure is shown in Figure 3 and Figure 4:

A-end segmented beams include bottom plate A1, top plate A5, horizontal stiffening plates A2, A3, A4, vertical stiffening plates A6, bottom stiffening plates A7, and web plates A8;

B-end segmented beam includes bottom plate B1, top plate B4, horizontal stiffening plates B2, B3, vertical stiffening plate B5, bottom stiffening plate B6, and web plate B7;

C-end segmented beam includes bottom plate C1, top plate C4, horizontal stiffening plates C2, C3, vertical stiffening plate C5, bottom stiffening plate C6, and web plate C7;

The D-end segmented beam includes the bottom plate D1, the top plate D4, the horizontal stiffening plates D2, D3, the vertical stiffening plate D5, the bottom plate stiffening plate D6, and the web plate D7.

In an embodiment of the present invention, the transverse connection component 3 includes two transverse trusses and two oblique trusses, the two oblique trusses are located crosswise between the two transverse trusses, and two ends of the two transverse trusses are connected to the inner guides respectively. The beam 1 and the outer guide beam 2 are connected, the two ends of the two oblique cross trusses are respectively connected to the two transverse trusses, and the transverse truss and the oblique truss are preferably connected by welding.

Among them, two transverse trusses are respectively connected to the adjacent segmented beams, for example, one of the transverse trusses is connected to the segmented beam of section A, and the other transverse truss is connected to the segmented beam of section B. Through this connection method .

Specifically, the transverse trusses E and F and the oblique trusses G and H each include upper chords, lower chords, straight webs and inclined webs, and the upper and lower chords are connected by the straight and inclined webs. The transverse truss E includes an upper chord E1, a lower chord E2, three straight webs E3 and two inclined webs E4, and the three straight webs E3 are parallel and equally spaced between the upper chord E1 and the lower chord E2. A diagonal web member E4 is arranged between the adjacent straight web members E3, and the adjacent diagonal web members E4 are arranged in a figure-eight shape; the diagonal truss includes an upper chord member G1, a lower chord member G2, and five straight web members. G3 and four sloping web bars G4, five straight web bars G3 are located between the upper chord G1 and the lower chord G2 in parallel with each other at equal intervals, and a sloping web bar G4 is arranged between the adjacent straight web bars G3. The oblique abdominal rod G4 is set in a figure-eight shape.

It should be noted that, herein, terms such as "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements , but also other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A curved guide beam, comprising: lie in interior nose girder (1) and outer nose girder (2) of same horizontal plane, interior nose girder (1) with outer nose girder (2) are towards the curved line type structure of same side bending, interior nose girder (1) with outer nose girder (2) are connected through horizontal coupling assembling (3).

2. The curved guide beam according to claim 1, characterized in that the inner guide beam (1) and the outer guide beam (2) each comprise a plurality of sections of sequentially connected segmented beams.

3. The curvilinear guide beam according to claim 2 wherein adjacent segmented beams are removably connected by a connector.

4. The curved guide beam according to claim 3, characterized in that the connection comprises a connection plate (6) and a fastener (7), the connection plate (6) being connected to the adjacent segmented beam by means of the fastener (7).

5. The curved guide beam according to claim 1, characterized in that the cross section of the inner guide beam (1) and the outer guide beam (2) is tapered from one end to the other.

6. The curved guide beam according to claim 5, characterized in that the cross-sectional height and width of the inner guide beam (1) and the outer guide beam (2) taper linearly from one end to the other.

7. The curved guide beam according to any one of claims 1 to 6, wherein the inner guide beam (1) and the outer guide beam (2) each comprise a bottom plate, a top plate, horizontal stiffening plates, vertical stiffening plates, bottom stiffening plates and a web, the top plate and the bottom plate being located at the upper side and the lower side of the web, respectively, the horizontal stiffening plates and the vertical stiffening plates being located at the sides of the web, and the bottom stiffening plates being located at the bottom of the sides of the web.

8. The curved guide beam according to claim 2, characterized in that the transverse connection assembly (3) comprises two transverse girders and two diagonal girders, which are crosswise located between the two transverse girders.

9. The curvilinear guide beam according to claim 8 wherein two of the transverse girders are connected to adjacent segmented beams, respectively.

10. The curvilinear guide beam of claim 8 wherein the transverse truss and the diagonal truss each comprise an upper chord, a lower chord, a straight web, and a diagonal web, the upper chord and the lower chord being connected by the straight web and the diagonal web.

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