CN213448043U

CN213448043U - T-beam structure for large-span bridge

Info

Publication number: CN213448043U
Application number: CN202021527406.2U
Authority: CN
Inventors: 李超; 于海力; 李阳; 骆木强
Original assignee: China Construction Sixth Engineering Division Co Ltd; China State Construction Bridge Corp Ltd
Current assignee: China Construction Sixth Engineering Division Co Ltd; China State Construction Bridge Corp Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-06-15
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a T beam structure for large-span bridge, including foundation pillar and beam surface, the both sides of foundation pillar all are provided with bearing structure, the top of foundation pillar is provided with the beam surface, and the bottom of beam surface is provided with mosaic structure, the inside of beam surface is provided with reinforced structure. The utility model discloses a be provided with bearing structure, the user is at first during the fixture block inserts the draw-in groove, because the external diameter of fixture block is less than the internal diameter of draw-in groove, event fixture block and draw-in groove block, it is inside and extend to the inside of fixture block to rotate the draw-in groove with first bolt from the outside of draw-in groove again, can accomplish fixture block and draw-in groove fixedly from this, pass through the bolt fastening in the bottom of beam surface with the other end of bracing piece again, can accomplish the installation to the bracing piece, great increase the steadiness of this structure, make this T beam structure in use more safe and through be provided with mosaic structure on the lateral wall on sill pillar top, thereby the effect of this T beam structure concatenation of being.

Description

T-beam structure for large-span bridge

Technical Field

The utility model relates to a bridge structures technical field specifically is a T beam structure for large-span bridge.

Background

With the development of economy, the traffic of China is rapidly developed, various bridges are more and more, the bridges are buildings erected on rivers, lakes and seas and used for vehicles, pedestrians and the like to smoothly pass through, a T-beam structure is important in the bridges, the T-beam is a beam with a T-shaped cross section, and the existing T-beam still has the following defects.

The traditional long-span bridge T beam structure is low in stability, so that potential safety hazards can exist when people use the bridge T beam structure, and accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a T beam structure for large-span bridge to provide the lower problem of T beam structure steadiness in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a T beam structure for large-span bridge, includes foundation column and beam surface, the both sides of foundation column all are provided with bearing structure, the top of foundation column is provided with the beam surface, and the bottom of beam surface is provided with mosaic structure, the inside of beam surface is provided with reinforced structure.

Preferably, the supporting structure comprises a supporting rod, a clamping block, a clamping groove and a first bolt, one side of the clamping groove is fixedly connected with the outer side wall of the bottom column, the clamping block is arranged inside the clamping groove, the supporting rod is fixedly connected with one side of the top end of the clamping block, the top end of the supporting rod is fixedly connected with the bottom end of the beam surface, and the first bolt is arranged at the top end and the bottom end of the clamping groove.

Preferably, the outer diameter of the clamping block is smaller than the inner diameter of the clamping groove, and a clamping structure is formed between the clamping block and the clamping groove.

Preferably, the splicing structure comprises splicing blocks, second bolts and reserved grooves, the top ends of the splicing blocks are fixedly connected to the bottom end of the beam surface, the reserved grooves are formed in the top end of the bottom column, the second bolts are arranged on the outer side wall of the bottom column, and the splicing blocks and the second bolts are all penetrated through the second bolts.

Preferably, the outer diameter of the splicing blocks is smaller than the inner diameter of the reserved groove, and a clamping structure is formed between the splicing blocks and the reserved groove.

Preferably, reinforced structure includes first strengthening rib, second strengthening rib and third strengthening rib, the third strengthening rib evenly sets up in the inside of roof beam face, one side of third strengthening rib is provided with first strengthening rib, the opposite side of third strengthening rib is provided with second strengthening rib and first strengthening rib and second strengthening rib and is the cross arrangement.

Compared with the prior art, the beneficial effects of the utility model are that: the T-beam structure for the long-span bridge not only increases the stability of the T-beam structure, but also simultaneously realizes the convenience for mounting and splicing the bridge and reinforcing the internal structure of the T-beam;

(1) the supporting structure is arranged on the outer side wall of the bottom column, a user firstly inserts the clamping block into the clamping groove, the clamping block is clamped with the clamping groove due to the fact that the outer diameter of the clamping block is smaller than the inner diameter of the clamping groove, then the first bolt is rotated from the outside of the clamping groove to the inside of the clamping groove and extends to the inside of the clamping block, the clamping block and the clamping groove can be fixed, the other end of the supporting rod is fixed to the bottom end of the beam surface through the bolt, the supporting rod can be installed, the stability of the structure is greatly improved, and the T-shaped beam structure is safer in use;

(2) the outer side wall at the top end of the bottom column is provided with the splicing structure, a worker firstly utilizes the bridge girder erection machine to hoist the girder surface and align the girder surface to the reserved groove, and then places the girder surface in the reserved groove;

(3) through being provided with reinforced structure in the inside of beam surface, through mutually supporting between first strengthening rib, second strengthening rib and the third strengthening rib for the inner structure of this T roof beam is firm more, also makes this T roof beam safety more when using, greatly increased the practicality of this T roof beam when using.

Drawings

Fig. 1 is a schematic view of a front view partial section structure of the present invention;

FIG. 2 is a schematic side view of the support structure of the present invention;

FIG. 3 is an enlarged schematic view of the front view of a partial section of the splicing structure of the present invention;

fig. 4 is an enlarged partial cross-sectional view of the front view of the supporting structure of the present invention.

In the figure: 1. a bottom pillar; 2. a support structure; 201. a support bar; 202. a clamping block; 203. a card slot; 204. a first bolt; 3. splicing structures; 301. splicing blocks; 302. a second bolt; 303. reserving a groove; 4. a beam surface; 5. reinforcing the structure; 501. a first reinforcing rib; 502. a second reinforcing rib; 503. and a third reinforcing rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides an embodiment: a T-beam structure for a large-span bridge comprises a bottom column 1 and a beam surface 4, wherein two sides of the bottom column 1 are respectively provided with a supporting structure 2, each supporting structure 2 comprises a supporting rod 201, a clamping block 202, a clamping groove 203 and a first bolt 204, one side of the clamping groove 203 is fixedly connected with the outer side wall of the bottom column 1, the clamping block 202 is arranged inside the clamping groove 203, the supporting rod 201 is fixedly connected with one side of the top end of the clamping block 202, the top end of the supporting rod 201 is fixedly connected with the bottom end of the beam surface 4, the top end and the bottom end of the clamping groove 203 are respectively provided with the first bolt 204, the outer diameter of the clamping block 202 is smaller than the inner diameter of the clamping groove 203;

specifically, as shown in fig. 1 and 4, when using the mechanism, a user first takes up the support rod 201 to fix the support rod on the fixture block 202 through a bolt, then inserts one end of the fixture block 202 into the slot 203, since the outer diameter of the fixture block 202 is smaller than the inner diameter of the slot 203, the fixture block 202 and the slot 203 are in a clamping state, then rotates the first bolt 204 from the outside of the slot 203 to the inside of the slot 203 and extends to the inside of the fixture block 202, repeats the above operations to rotate the first bolt 204 into the slot 203 and the interior of the fixture block 202, so that the fixture block 202 and the slot 203 can be further fixed, and then fixes the other end of the support rod 201 at the bottom end of the beam surface 4 through a bolt, so as to complete the installation of the support rod 201, greatly increase the stability of the structure, and make the T-beam structure safer when in use;

the top end of the bottom column 1 is provided with a beam surface 4, the bottom end of the beam surface 4 is provided with a splicing structure 3, the splicing structure 3 comprises a splicing block 301, a second bolt 302 and a reserved groove 303, the top end of the splicing block 301 is fixedly connected to the bottom end of the beam surface 4, the reserved groove 303 is arranged inside the top end of the bottom column 1, the second bolt 302 is arranged on the outer side wall of the bottom column 1, the second bolt 302 penetrates through the splicing block 301 and the second bolt 302, the outer diameter of the splicing block 301 is smaller than the inner diameter of the reserved groove 303, and a clamping structure is formed between the splicing block 301 and the reserved groove 303;

specifically, as shown in fig. 1 and 3, when the mechanism is used, a worker firstly lifts the beam surface 4 by using a bridge erecting machine and aligns to the reserved groove 303, the splicing block 301 is arranged in the middle of the bottom end of the beam surface 4, the splicing block 301 is placed inside the reserved groove 303, the splicing block 301 is clamped with the reserved groove 303 due to the fact that the outer diameter of the splicing block 301 is smaller than the inner diameter of the reserved groove 303, at the moment, the second bolt 302 is rotated to enter the splicing block 301 and penetrate through the reserved groove 303, the splicing block 301 and the reserved groove 303 can be fixed, finally, the bottom column 1 and the beam surface 4 can be spliced, and the practicability of the T-shaped beam in use is greatly improved;

the reinforcing structure 5 is arranged inside the beam surface 4, the reinforcing structure 5 comprises a first reinforcing rib 501, a second reinforcing rib 502 and a third reinforcing rib 503, the third reinforcing rib 503 is uniformly arranged inside the beam surface 4, the first reinforcing rib 501 is arranged on one side of the third reinforcing rib 503, the second reinforcing rib 502 is arranged on the other side of the third reinforcing rib 503, and the first reinforcing rib 501 and the second reinforcing rib 502 are arranged in a crossed manner;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, because the reinforcing structure 5 is arranged inside the beam surface 4, the first reinforcing rib 501, the second reinforcing rib 502 and the third reinforcing rib 503 are mutually matched when the mechanism is used, so that the internal structure of the T-shaped beam is firmer, the T-shaped beam is safer when the mechanism is used, and the practicability of the T-shaped beam when the T-shaped beam is used is greatly increased.

The working principle is as follows: when the T-beam structure is used, firstly, the T-beam structure is transported to a proper position, the bottom column 1 is placed in a target position, a worker utilizes a bridge erecting machine to erect the beam surface 4, align the reserved groove 303 and place down the beam surface, the splicing block 301 and the reserved groove 303 are clamped at the moment, then the second bolt 302 is rotated to penetrate through the splicing block 301 and the reserved groove 303, and the splicing block 301 and the bottom column 1 are fixed, so that the splicing of the bottom column 1 and the beam surface 4 is completed;

then, the fixture block 202 is placed in the clamping groove 203, the fixture block 202 is clamped with the clamping groove 203, the first bolt 204 penetrates into the clamping groove 203 from the outside of the clamping groove 203 and extends into the fixture block 202 to fix the fixture block 202 and the clamping groove 203, and at this time, the top end of the support rod 201 can be fixed at the bottom end of the beam surface 4;

finally, the internal structure of the T-shaped beam is firmer and safer during use under the mutual matching action of the first reinforcing rib 501, the second reinforcing rib 502 and the third reinforcing rib 503 in the use process, and the use process of the T-shaped beam structure is finally completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A T beam structure for large-span bridge, includes sill pillar (1) and beam face (4), its characterized in that: the both sides of foundation column (1) all are provided with bearing structure (2), the top of foundation column (1) is provided with beam surface (4), and the bottom of beam surface (4) is provided with mosaic structure (3), the inside of beam surface (4) is provided with reinforced structure (5).

2. The T-beam structure for a long-span bridge of claim 1, wherein: the supporting structure (2) comprises a supporting rod (201), a clamping block (202), a clamping groove (203) and a first bolt (204), one side of the clamping groove (203) is fixedly connected with the outer side wall of the bottom column (1), the clamping block (202) is arranged inside the clamping groove (203), the supporting rod (201) is fixedly connected with one side of the top end of the clamping block (202), the top end of the supporting rod (201) is fixedly connected with the bottom end of the beam surface (4), and the top end and the bottom end of the clamping groove (203) are both provided with the first bolt (204).

3. The T-beam structure for a long-span bridge of claim 2, wherein: the outer diameter of the fixture block (202) is smaller than the inner diameter of the clamping groove (203), and a clamping structure is formed between the fixture block (202) and the clamping groove (203).

4. The T-beam structure for a long-span bridge of claim 1, wherein: splicing structure (3) are including splice block (301), second bolt (302) and reserve groove (303), the top fixed connection of splice block (301) is in the bottom of roof beam face (4), reserve groove (303) set up in the inside on foundation (1) top, second bolt (302) set up in the lateral wall of foundation (1), splice block (301) and second bolt (302) are all run through in second bolt (302).

5. The T-beam structure for a large-span bridge of claim 4, wherein: the outer diameter of the splicing block (301) is smaller than the inner diameter of the reserved groove (303), and a clamping structure is formed between the splicing block (301) and the reserved groove (303).

6. The T-beam structure for a long-span bridge of claim 1, wherein: reinforced structure (5) include first strengthening rib (501), second strengthening rib (502) and third strengthening rib (503), third strengthening rib (503) evenly set up in the inside of roof beam face (4), one side of third strengthening rib (503) is provided with first strengthening rib (501), the opposite side of third strengthening rib (503) is provided with second strengthening rib (502) and first strengthening rib (501) and second strengthening rib (502) and is the crisscross range.