CN211547294U

CN211547294U - Concrete composite beam

Info

Publication number: CN211547294U
Application number: CN202020051715.0U
Authority: CN
Inventors: 于本田; 李盛; 谢超; 张凯; 张延杰; 李波; 王博林; 刘通; 陈延飞; 吴明星; 夏俊英
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-09-22
Anticipated expiration: 2030-01-10

Abstract

The utility model belongs to the technical field of building structure, especially, a concrete composite beam, including inner beam and outer beam, the inside of outer beam has seted up the roof beam chamber, the inside of roof beam chamber is worn to close and is connected with the inner beam, the inside fixedly connected with reinforcement assembly of inner beam, the both sides of outer beam all are connected with a plurality of spacing bolt through closing soon, the upper and lower both ends of outer beam integrated into one piece respectively have upper beam plate and lower beam plate, the both sides of upper beam plate and lower beam plate are connected with a plurality of connecting bolt No. one and connecting bolt No. two through closing soon respectively, the composite beam includes inner beam and outer beam, upper beam plate and lower beam plate through outer beam upper and lower both ends carry out the stable support to the bridge body, simultaneously, carry out fixed connection through connecting bolt No. one and connecting bolt No. two, support stably, it is fixed firm; the outer beam is connected with the inner beam through the beam cavity in a penetrating mode, meanwhile, the inner beam inside the outer beam is fixed in a limiting mode through the limiting bolt, the fixing is simple, the mounting and dismounting are convenient, the reinforcing assembly is arranged inside the inner beam, and the strength of the combined beam is increased through the reinforcing assembly.

Description

Concrete composite beam

Technical Field

The utility model belongs to the technical field of building structure, concretely relates to concrete composite beam.

Background

The composite beam is a beam formed by combining two different materials or different processes, is called a composite beam and is also called a combination beam, some main beams adopt one material, and the bridge deck connecting the main beams adopts the other material; the composite beam is a transverse bearing member which is formed by connecting a steel beam and a concrete slab into a whole through a shear connector and bears force together, can fully exert the advantages of good tensile strength and good compression resistance of steel and concrete, and has the advantages of high bearing capacity, high rigidity, good shock resistance and dynamic performance, small member section size, convenient construction and the like.

The existing concrete composite beam for the bridge has the following problems in the using process: the combined beam is horizontally arranged between the upper end bridge plate or the bottom end bridge pier, and a better fixing structure is lacked outside, so that the combined beam is not fixed stably enough, is not supported stably enough, is easy to bear force and move, and influences the use in the use process; meanwhile, the combined beam is formed by combining a plurality of concrete beam body components and is fixed by combining a plurality of fixing structures, so that the concrete components are inconvenient to mount and dismount, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a concrete composite beam has fixed firm and support stable characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concrete composite beam, includes inner beam and outer beam, and the roof beam chamber has been seted up to the inside of outer beam, and the inside of roof beam chamber is worn to close and is connected with the inner beam, and the inside fixedly connected with reinforcement assembly of inner beam, the both sides of outer beam all close through revolving and be connected with the spacing bolt of a plurality of, and the upper and lower both ends of outer beam integrated into one piece respectively have upper beam plate and underbeam board, and the both sides of upper beam plate and underbeam board are connected with a plurality of tie bolt and No. two tie bolts through closing soon respectively.

As the utility model discloses a preferred technical scheme of concrete composite beam, the inner beam is the arc structure, consolidates the subassembly and includes fixed muscle and No. two fixed muscle of a plurality of, and the inner wall of a fixed muscle is fixed with fixed muscle No. two of a plurality of all around, and fixed muscle is the arc structure No. one.

As the utility model discloses a preferred technical scheme of concrete composite beam, the both ends of upper beam plate and underbeam board are the arc structure, and a plurality of spread groove and No. two spread grooves have been seted up respectively to the inside both sides of upper beam plate and underbeam board, and a spread groove and No. two spread grooves are connected through closing soon with a connecting bolt and No. two connecting bolts respectively.

As the utility model discloses a preferred technical scheme of concrete composite beam, a plurality of spiral groove has all been seted up to the both sides of outer roof beam, and a plurality of spiral groove No. two has all been seted up to the both sides of inner beam, and a spiral groove and No. two spiral grooves coincide each other and all close through revolving with the stop cock and be connected.

As the utility model discloses a preferred technical scheme of concrete combination roof beam, upper beam board and underbeam board are parallel to each other.

As the utility model discloses a preferred technical scheme of concrete combination roof beam, the roof beam chamber is the arc structure.

Compared with the prior art, the beneficial effects of the utility model are that: the novel concrete composite beam is designed, the composite beam comprises an inner beam and an outer beam, the upper beam plate and the lower beam plate at the upper end and the lower end of the outer beam stably support a bridge body, and meanwhile, the first connecting bolt and the second connecting bolt are fixedly connected, so that the support is stable and the fixation is stable; the outer beam is connected with the inner beam through the beam cavity in a penetrating mode, meanwhile, the inner beam inside the outer beam is fixed in a limiting mode through a plurality of limiting bolts on the two sides of the outer beam, the fixing is simple, the mounting and dismounting are convenient, the reinforcing assembly is arranged inside the inner beam, the strength of the combined beam is increased through the reinforcing assembly, the stress is balanced, and the combined beam is not prone to breaking.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 3 is a schematic structural view of a reinforcing member according to the present invention;

FIG. 4 is a schematic view of the connection section of the limit bolt of the present invention;

in the figure: 1. an inner beam; 2. a reinforcement assembly; 3. an outer beam; 4. a beam cavity; 5. an upper beam plate; 6. a lower beam plate; 7. a first connecting bolt; 8. a second connecting bolt; 9. a limit bolt; 10. a first connecting groove; 11. a second connecting groove; 12. a first fixing rib; 13. a second fixing rib; 14. a first rotary groove; 15. and a second spiral groove.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a concrete composite beam comprises an inner beam 1 and an outer beam 3, a beam cavity 4 is formed in the outer beam 3, the inner beam 1 is connected to the inside of the beam cavity 4 in a penetrating mode, a reinforcing component 2 is fixedly connected to the inside of the inner beam 1, a plurality of limiting bolts 9 are connected to the two sides of the outer beam 3 in a screwing mode, an upper beam plate 5 and a lower beam plate 6 are integrally formed at the upper end and the lower end of the outer beam 3 respectively, a plurality of first connecting bolts 7 and second connecting bolts 8 are connected to the two sides of the upper beam plate 5 and the lower beam plate 6 respectively in a screwing mode, the concrete composite beam is designed to be a novel concrete composite beam in the embodiment and comprises the inner beam 1 and the outer beam 3, a bridge body is stably supported through the upper beam plate 5 and the lower beam plate 6 at the upper end and the lower end of the outer beam 3, and meanwhile, the first connecting bolts 7 and the second connecting bolts 8 are fixedly connected and stably supported and fixedly and stably fixed; the outer beam 3 is connected with the inner beam 1 through the beam cavity 4 in a penetrating manner, meanwhile, the inner beam 1 inside the outer beam 3 is limited and fixed through a plurality of limiting bolts 9 on the two sides of the outer beam 3, the fixing is simple, the mounting and dismounting are convenient, the reinforcing component 2 is arranged inside the inner beam 1, the strength of the combined beam is increased through the reinforcing component 2, the stress is balanced, and the combined beam is not prone to fracture.

Specifically, inner beam 1 is the arc structure, and reinforcement assembly 2 includes fixed muscle 12 and No. two fixed muscle 13, and the inner wall of fixed muscle 12 is fixed with fixed muscle 13 No. two of a plurality of all around, and fixed muscle 12 is the arc structure, and inner beam 1 is the concrete member in this embodiment, and fixed muscle 12 and No. two fixed muscle 13 are through pouring integrated into one piece with concrete structure's inner beam 1, through 2 reinforcing combination beam self intensity of reinforcement assembly, and the atress is even, difficult fracture.

Specifically, both ends of an upper beam plate 5 and a lower beam plate 6 are arc-shaped structures, two sides of the inner parts of the upper beam plate 5 and the lower beam plate 6 are respectively provided with a plurality of a first connecting groove 10 and a second connecting groove 11, the first connecting groove 10 and the second connecting groove 11 are respectively connected with a first connecting bolt 7 and a second connecting bolt 8 through screwing, in the embodiment, an outer beam 3 is a concrete member, the upper end and the lower end of the outer beam 3 are respectively and integrally formed with the upper beam plate 5 and the lower beam plate 6, the first connecting bolt 7 and the second connecting bolt 8 are both made of metal materials and are provided with a plurality of parts, when in use, the outer beam 3 and an inner beam 1 are horizontally placed at the upper end of a bridge pier, the lower beam plate 6 at the bottom end of the outer beam 3 is horizontally attached to the bridge pier, the bottom end of the outer beam 3 is fixed at the upper end of the bridge pier through the second connecting bolts 8 positioned inside the second connecting grooves 11 at both sides of the lower beam plate 6, and the, the upper beam plate 5 and the bridge plate horizontal laminating of 3 upper ends of outer beam to being located a connecting bolt 7 of spread groove 10 inside through 5 both sides of upper beam plate, being fixed in the upper end of outer beam 3 with the bridge plate, supporting it through inner beam 1 and outer beam 3, it is stable to support, and is fixed firm.

It is specific, a plurality of spiral groove 14 has all been seted up to the both sides of outer beam 3, a plurality of spiral groove 15 No. two has all been seted up to the both sides of inner beam 1, a spiral groove 14 and No. two spiral grooves 15 coincide each other and all be connected through closing soon with stop cock 9, stop cock 9 is the metal material in this embodiment, be equipped with many places, when using, penetrate inner beam 1 in the inside roof beam chamber 4 of outer beam 3, a spiral groove 14 and No. two spiral grooves 15 coincide each other, and lie in through outer beam 3 both sides and carry on spacing fixedly to the inner beam 1 that the spiral groove 14 and No. two spiral grooves 15 inside stop cock 9 is located roof beam chamber 4 outside outer beam 3.

Specifically, the upper beam plate 5 and the lower beam plate 6 are parallel to each other.

In particular, the beam cavity 4 is of an arc-shaped structure.

The utility model discloses a theory of operation and use flow: when the utility model is used, the inner beam 1 is penetrated into the beam cavity 4 inside the outer beam 3, the first spiral groove 14 and the second spiral groove 15 are superposed with each other, the inner beam 1 inside the outer beam 3 and positioned in the beam cavity 4 is limited and fixed through the limit bolts 9 positioned inside the first spiral groove 14 and the second spiral groove 15 at both sides of the outer beam 3, the outer beam 3 and the inner beam 1 are horizontally arranged at the upper end of a pier, the lower beam plate 6 at the bottom end of the outer beam 3 is horizontally attached to the pier, the bridge plate is fixed at the upper end of the outer beam 3 through the second connecting bolt 8 positioned inside the second connecting groove 11 at both sides of the lower beam plate 6, the bridge plate is horizontally arranged at the upper end of the outer beam 3, the upper beam plate 5 at the upper end of the outer beam 3 is horizontally attached to the bridge plate, the bridge plate is fixed at the upper end of the outer beam 3 through the first connecting bolt 7 positioned inside the first connecting groove 10 at both sides of the upper beam plate 5, the bridge body is supported through the inner beam 1 and the outer beam 3, the support is stable and the fixation is firm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete composite beam is characterized in that: including inner beam (1) and outer beam (3), roof beam chamber (4) have been seted up to the inside of outer beam (3), the inside of roof beam chamber (4) is worn to close and is connected with inner beam (1), the inside fixedly connected with reinforcement assembly (2) of inner beam (1), the both sides of outer beam (3) are all closed through revolving and are connected with spacing bolt (9) of a plurality of, the upper and lower both ends of outer beam (3) integrated into one piece respectively have upper beam plate (5) and underbeam board (6), the both sides of upper beam plate (5) and underbeam board (6) are closed through revolving respectively and are connected with a plurality of tie bolt (7) and No. two tie bolts (8).

2. The concrete composite beam according to claim 1, wherein: inner beam (1) is the arc structure, consolidates subassembly (2) and includes fixed muscle (12) and No. two fixed muscle (13) for one number, and the inner wall of fixed muscle (12) is fixed with fixed muscle (13) of a plurality of No. two all around, and fixed muscle (12) are the arc structure for one number.

3. The concrete composite beam according to claim 1, wherein: the both ends of upper beam plate (5) and underbeam board (6) are the arc structure, and a plurality of spread groove (10) and No. two spread grooves (11) have been seted up respectively to the inside both sides of upper beam plate (5) and underbeam board (6), and a spread groove (10) and No. two spread grooves (11) are connected through closing soon with a tie bolt (7) and No. two tie bolts (8) respectively.

4. The concrete composite beam according to claim 1, wherein: a plurality of first rotary groove (14) are formed in the two sides of the outer beam (3), a plurality of second rotary groove (15) are formed in the two sides of the inner beam (1), and the first rotary groove (14) and the second rotary groove (15) are overlapped with each other and are connected with the limiting bolt (9) in a rotary mode.

5. A concrete composite beam according to claim 3, wherein: the upper beam plate (5) and the lower beam plate (6) are parallel to each other.

6. The concrete composite beam according to claim 1, wherein: the beam cavity (4) is of an arc structure.