CN211200111U - Sliding track beam for ultra-long distance - Google Patents

Abstract

The utility model provides an extra long distance is with track roof beam that slides belongs to bridge construction equipment technical field, include: a sliding track; the track supporting beam is supported below the sliding track and arranged in parallel to the direction of the sliding track; the upper small beams are arranged at intervals along the direction of the sliding track, are supported below the track supporting beam and are arranged in a direction perpendicular to the track supporting beam; the side supports are arranged on two sides of the track supporting beam and are respectively connected with the track supporting beam and the upper small beam; the sliding track beam for the ultra-long distance of the utility model has the advantages that the support of the side edge of the track supporting beam is strengthened through the arrangement of the side support, the sliding track is more stable and is not easy to turn on one side, and smooth and safe pushing sliding can be ensured in the ultra-long distance; therefore, the support device can be used for carrying out ultra-long-distance support when the steel box girder is constructed in a pushing and sliding mode.

Description

Sliding track beam for ultra-long distance

Technical Field

The utility model relates to a bridge construction equipment technical field, concretely relates to overlength distance is with track roof beam that slides.

Background

In the construction process of the viaduct, the steel box girder is adopted as a common structure in the bridge and is widely applied to municipal viaduct engineering.

In the prior art, when a national road rapid transformation project is carried out, because a railway and an expressway are respectively arranged on two sides of a line and a high-voltage wire is arranged above an operation surface, the site environment is very complex and the construction difficulty is very high. Generally, the steel box girder can be constructed in a pushing and sliding mode.

The construction is carried out by adopting a pushing sliding method, namely the sliding construction needs to be carried out on the steel box girder at a relatively long distance, and in the construction process, the sliding rail girder used for an ultra-long distance is very necessary.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in that, when the steel box girder adopts the mode that the top pushes away and slides to be under construction, the super long distance that can support is with the track roof beam that slides is provided.

In order to solve the technical problem, the utility model provides an extra long distance is with track roof beam that slides, include:

a sliding track;

the track supporting beam is supported below the sliding track and arranged in parallel to the direction of the sliding track;

the upper small beams are arranged at intervals along the direction of the sliding track, are supported below the track supporting beam and are arranged in a direction perpendicular to the track supporting beam;

and the side supports are arranged on two sides of the track supporting beam and are respectively connected with the track supporting beam and the upper small beam.

Preferably, the method further comprises the following steps:

and the pinch plates are arranged on two sides of the sliding track and are respectively connected with the sliding track and the track supporting beam.

Preferably, the pinch plate is provided with a plurality of blocks arranged at intervals along the track.

As the preferred scheme, the interval between two adjacent buckle plates is 0.5 +/-0.3 m.

Preferably, the lower edge of the buckle plate is provided with an arc-shaped structure matched with the appearance of the sliding track.

Preferably, the material of the buckle plate is Q345B.

Preferably, the track supporting beam is formed by splicing two H-shaped steels in parallel.

Preferably, the track support beam is made of low-carbon steel.

Preferably, the material of the track supporting beam is Q235B.

Preferably, a plurality of reinforcing rib plates are arranged on two sides of two webs of two H-shaped steels of the track supporting beam at intervals.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a slide rail beam for ultra-long distance, through the setting of side support, the support of the side of the rail supporting beam is strengthened, the slide rail is more stable, the side turning is not easy, and smooth and safe pushing and sliding can be ensured in ultra-long distance; therefore, the support device can be used for carrying out ultra-long-distance support when the steel box girder is constructed in a pushing and sliding mode.

2. The utility model provides an extra long distance is with track roof beam that slides through the setting of many upper trabeculae, can make track and the track supporting beam that slides bear very big weight in the high altitude to carry out stable transport to the object that has this dress volume.

3. The utility model provides an extra long distance is with track roof beam that slides, through the setting of buckle, increase the firm in connection nature between track and the track supporting beam that slides, can still remain stable when the track that slides receives huge frictional force.

4. The utility model provides an extra long distance is with track roof beam that slides, track supporting beam are through two mosaic structure's setting, and its middle part is hollow structure, and has two vertical braces, and under the same resistance strength, the load that the track supporting beam of this scheme can bear is bigger, consequently, under certain load requirement, the lower steel of cost can be adopted to the track supporting beam to practice thrift the cost greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of an embodiment of the sliding track beam for ultra-long distance according to the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Figure 3 is a side view of a track support beam and the structure above it.

Description of reference numerals:

1. a base; 2. an upper trabecula; 3. a rail support beam; 4. a sliding track; 5. reinforcing rib plates; 6. side support; 7. buckling the plate; 8. and (4) an arc-shaped structure.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, for the utility model provides a concrete implementation of the track roof beam that slides, this track roof beam that slides is applicable to the steel box girder of extra long distance and slides, include: the track comprises a base 1, an upper small beam 2, a track supporting beam 3 erected on the upper small beam 2 and a sliding track 4 arranged on the track supporting beam 3. The base 1 and the upper small beam 2 disposed on the base 1 can be an integral body, and the integral body has a plurality of spaced apart members, so that the ultra-long rail support beam 3 and the sliding rail 4 are supported by the plurality of spaced apart members.

The track supporting beam 3 is formed by splicing two H-shaped steels in parallel, the specification of the H-shaped steels can adopt NH800 × 600 × 15 × 20mm, namely the H-shaped steels are welded, the length is 800mm, the width is 600mm, the web thickness is 15mm, and the flange plate thickness is 20mm, a plurality of reinforcing rib plates 5 are arranged on two sides of two webs of the two H-shaped steels at intervals, the track supporting beam 3 is made of low-carbon steel, such as Q235B steel plates, the low-carbon steel is carbon steel with the carbon content lower than 0.25%, the Q235B steel plate is common low-carbon steel, and is clearly defined in national standard GB/T700-2006 structural steel, the Q235B is one of the most common steel in China, is low in price, and can meet most of products with low requirements on performance.

The upper small beam 2 and the base 1 below the upper small beam 2 are provided with a plurality of bases arranged at intervals along the direction of the sliding track 4, wherein the upper small beam 2 is arranged below the track supporting beam 3 in a direction perpendicular to the track supporting beam 3 so as to support the track supporting beam 3. The structure of the upper small beam 2 and the specification and material of the adopted steel materials can be the same as those of the track supporting beam 3.

The connecting part of the upper small beam 2 and the track supporting beam 3 is also provided with side supports 6 at two sides of the track supporting beam 3, the side supports 6 are respectively connected with the track supporting beam 3 and the upper small beam 2, and the track supporting beam 3 can be stabilized through the side supports 6 to place the side inclination of the track supporting beam 3.

As shown in figure 3, buckle plates 7 are arranged on two sides of the sliding rail 4, the buckle plates 7 are respectively connected with the sliding rail 4 and the rail supporting beam 3, an arc-shaped structure 8 matched with the appearance of the sliding rail 4 is arranged below the buckle plates 7, the buckle plates 7 can be better connected with the sliding rail 4 through the arc-shaped structure 8, a steel plate with the specification of 80 × 50 × 20mm can be adopted for the buckle plates 7, the specification is represented as that the length is 80mm, the width is 50mm, and the thickness is 20mm, the buckle plates 7 are provided with a plurality of blocks arranged at intervals along the rail, the interval between every two adjacent buckle plates 7 is 0.5 +/-0.3 m, the buckle plates 7 are made of Q345B, and it is explained that Q345 is made of steel and is alloy steel with the carbon content lower than 0.2%, and B represents the quality grade of B.

In addition, as an alternative embodiment, the buckle 7 can be omitted, and after the buckle 7 is omitted, the sliding rail 4 can be connected with the rail support beam 3 by welding.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. The utility model provides an overlength is with track roof beam that slides which characterized in that includes:

a sliding track (4);

the rail supporting beam (3) is supported below the sliding rail (4) and is arranged in parallel to the direction of the sliding rail (4);

the upper small beams (2) are arranged at intervals along the direction of the sliding track (4), and the upper small beams (2) are supported below the track supporting beam (3) and are arranged perpendicular to the direction of the track supporting beam (3);

and the side supports (6) are arranged on two sides of the track supporting beam (3) and are respectively connected with the track supporting beam (3) and the upper small beam (2).

2. The sliding track beam for extra long distances according to claim 1, further comprising:

and the pinch plates (7) are arranged on two sides of the sliding track (4) and are respectively connected with the sliding track (4) and the track supporting beam (3).

3. The ultra-long distance sliding rail beam according to claim 2, wherein said gusset (7) has a plurality of pieces spaced along said rail.

4. The ultra-long distance sliding rail beam according to claim 3, wherein the interval between two adjacent buckling plates (7) is 0.5 +/-0.3 m.

5. The ultra-long distance sliding rail beam according to claim 2, wherein the lower edge of the buckle (7) is provided with an arc-shaped structure (8) matched with the shape of the sliding rail (4).

6. The sliding track beam for extra long distance according to any one of claims 2 to 5, wherein the buckle (7) is made of Q345B.

7. The ultra-long distance sliding track beam according to claim 1, wherein the track support beam (3) is formed by splicing two H-shaped steel in parallel.

8. The ultra-long distance sliding rail beam according to claim 7, wherein the rail support beam (3) is made of low carbon steel.

9. The ultra-long distance sliding rail beam according to claim 8, wherein the rail support beam (3) is made of Q235B.

10. The ultra-long distance sliding rail beam according to claim 7, wherein a plurality of reinforcing rib plates (5) are arranged at intervals on both sides of two webs of two H-shaped steels of the rail support beam (3).

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