CN219059719U

CN219059719U - Steel structure bridge

Info

Publication number: CN219059719U
Application number: CN202223467710.4U
Authority: CN
Inventors: 孙波; 杨加兵; 李才军
Original assignee: Guangxi Hongyu Hengli Steel Structure Co ltd
Current assignee: Guangxi Hongyu Hengli Steel Structure Co ltd
Priority date: 2022-12-25
Filing date: 2022-12-25
Publication date: 2023-05-23
Anticipated expiration: 2032-12-25

Abstract

The utility model discloses a steel structure bridge, which comprises a bridge body, wherein two ends of the bridge body are respectively provided with two joints, and the outer side of the bridge body is wrapped with a bridge deck body; the two connectors are respectively connected with the two elastic seats, and the two elastic seats are respectively fixed at the tops of the two mounting seats; the two mounting seats are respectively arranged at the tops of the two first cross beams, and the two first cross beams are respectively arranged at the tops of the two second cross beams; according to the utility model, the bridge body and the joint are made of metal materials, the bridge body is composed of three H-shaped section steel, meanwhile, the bridge body and the joint are connected in a welding mode, the bridge deck body is made of concrete, the bridge body is wrapped outside the bridge body in a pouring mode and is formed, the length and the width of the bridge body can be prefabricated according to requirements, the modularized construction mode during assembly improves the construction efficiency, and the mixed material of the steel and the concrete is beneficial to reducing the production cost.

Description

Steel structure bridge

Technical Field

The utility model particularly relates to the technical field of bridge related technology, in particular to a steel structure bridge.

Background

Bridges are generally structures erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to pass smoothly, and are also buildings erected to span mountain streams, poor geology or meet other traffic needs to enable passing to be more convenient and fast in order to adapt to the traffic industry of modern high-speed development. The bridge is generally composed of an upper structure, a lower structure, a support and an accessory structure, wherein the upper structure is also called a bridge span structure and is a main structure for crossing obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting position of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structure refers to bridge head butt strap, cone slope protection, bank protection, diversion engineering and the like, and reference is made to publication number: CN213173294U, a disclosed "bending-resistant bridge", its technical essential is: including first bridge vertical position change measuring part and second bridge vertical position change measuring part, when first bridge vertical position change measuring part and second bridge vertical position change measuring part measure the bridge road surface have the displacement of vertical direction, then first actuating mechanism and second actuating mechanism drive the first slider in the vacuum chamber and the slip of second slider respectively, vacuum pressure in the vacuum chamber increases, vacuum pressure provides holding power to the bridge road surface through pressure guiding post control support piece, through being provided with the outer lane body in the inside of bridge road surface, the both sides of outer lane body are provided with the spacing groove, the spacing inslot portion is provided with the inner circle body, through setting up outer lane body and inner circle body, inside and outside double-deck bearing structure for this bridge road surface overall structure's stability obtains promoting greatly, interlock each other between outer lane body, make the connection inseparabler, be difficult for not hard up, promote the bending resistance ability of bridge road surface greatly.

At present, part of small-sized bridges are used, the whole structure is generally simple, particularly steel structure bridges are required to be fixed by using a large number of bolts during construction, and a buffer mechanism is lacked, resonance is easy to generate during use, and large-area steel members are easy to generate local corrosion, so that comprehensive maintenance is required frequently.

Disclosure of Invention

The utility model aims to provide a steel structure bridge, which solves the problems that the existing small-sized bridge in use part is generally simple in overall structure, particularly the steel structure bridge needs to be fixed by using a large number of bolts during construction, a buffer mechanism is lacked, resonance is easy to generate during use, and local corrosion is easy to generate on a large-area steel member, so that the general overhaul is required frequently.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the steel structure bridge comprises a bridge body, wherein two ends of the bridge body are respectively provided with two joints, and the outer side of the bridge body is wrapped with a bridge deck body; the two connectors are respectively connected with the two elastic seats, and the two elastic seats are respectively fixed at the tops of the two mounting seats; the two mounting seats are respectively arranged at the tops of the two first cross beams, and the two first cross beams are respectively arranged at the tops of the two second cross beams; every the bottom of second crossbeam all is equipped with a set of first pier body, and every first pier body of group all is the symmetry with respect to the vertical axial lead of second crossbeam and is equipped with two, all is equipped with a second pier body between two second pier bodies of same group simultaneously.

As a further aspect of the utility model: the top of bridge body, the top of joint, the top of elastic seat and the top of bridge floor body all be on the coplanar, and the terminal of joint is the joint connection with the connected mode of elastic seat.

As a further aspect of the utility model: the two ends of the bottom of the bridge deck body are respectively clung to the tops of the two first cross beams, and the first cross beams are connected with the second cross beams in a clamping connection mode.

As a further aspect of the utility model: the axial lead of the elastic seat, the axial lead of the mounting seat, the axial lead of the first cross beam and the axial lead of the second cross beam are all on the same vertical straight line, and the height of the bottom of the second cross beam is gradually decreased from two ends to the middle.

As a further aspect of the utility model: a first inner cylinder is arranged in each first pier body, and a first shock-absorbing and isolating support is arranged at the top of each first pier body; the bottom of the first shock-absorbing and isolating support is connected with the top of the first inner cylinder, and the top of the first shock-absorbing and isolating support is connected with the bottom of the second cross beam.

As a further aspect of the utility model: the second inner barrel is arranged in the second pier body, and the second shock-absorbing and isolating support is arranged at the top of the second pier body; the bottom of the second shock-absorbing and isolating support is connected with the top of the second inner cylinder, and the top of the second shock-absorbing and isolating support is connected with the bottom of the second cross beam.

Compared with the prior art, the utility model has the beneficial effects that:

1. the bridge body is made of metal, the bridge body is formed by three H-shaped section steel, the bridge body and the joint are connected in a welding mode, the bridge body is made of concrete, the bridge body is wrapped outside the bridge body in a pouring mode and is formed, the length and the width of the bridge body can be prefabricated according to requirements, the efficiency of construction is improved in a modularized construction mode during assembly, and the mixed material of the steel and the concrete is beneficial to reducing production cost.

2. The utility model is provided with the connector and the elastic seat, the tail end of the connector and the two ends of the elastic seat are of tooth structures, the tooth structures between the connector and the elastic seat are distributed in a staggered way after the assembly is completed, the connector is not contacted with the elastic seat, a certain gap exists between the connector and the elastic seat, a space is provided for the thermal expansion of the connector and the elastic seat, and excessive rainwater is effectively prevented from accumulating at the joint of the connector and the elastic seat.

3. According to the utility model, the first pier body and the second pier body are arranged, the tops of the first pier body and the second pier body are respectively matched with the first shock-absorbing and isolating support and the second shock-absorbing and isolating support to be connected with the bottom of the second cross beam, and the first shock-absorbing and isolating support and the second shock-absorbing and isolating support can absorb shock generated during use of the whole body while providing main support, so that the stability of the whole body during use is improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a bottom view of fig. 1 of the present utility model.

Fig. 3 is a schematic perspective view of a bridge body according to the present utility model.

Fig. 4 is a bottom view of fig. 3 of the present utility model.

Fig. 5 is a schematic perspective view of a second beam according to the present utility model.

Fig. 6 is a bottom view of fig. 5 in accordance with the present utility model.

In the figure: the bridge comprises a bridge body 1, a connector 2, a bridge deck body 3, an elastic seat 4, a mounting seat 5, a first beam 6, a second beam 7, a first bridge pier body 8, a second bridge pier body 9, a first inner cylinder 10, a first shock-absorbing and isolating support 11, a second inner cylinder 12 and a second shock-absorbing and isolating support 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, in an embodiment of the present utility model, a steel structure bridge includes a bridge body 1, two ends of the bridge body 1 are respectively provided with two joints 2, and a bridge deck body 3 is wrapped on the outer side of the bridge body 1; the two connectors 2 are respectively connected with the two elastic seats 4, and the two elastic seats 4 are respectively fixed at the tops of the two mounting seats 5; the two mounting seats 5 are respectively arranged at the tops of the two first cross beams 6, and the two first cross beams 6 are respectively arranged at the tops of the two second cross beams 7; every the bottom of second crossbeam 7 all is equipped with a set of first pier body 8, and every first pier body 8 of group all is the symmetry about the vertical axial lead of second crossbeam 7 and is equipped with two, all is equipped with a second pier body 9 between two second pier bodies 9 of same group simultaneously.

Specifically, the bridge body 1 and the joint 2 are made of metal materials, the bridge body 1 and the joint 2 are connected through welding, and meanwhile, the bridge body 1 is composed of three H-shaped section steel.

As a further explanation of this embodiment, the bridge deck body 3 is made of concrete, and is wrapped on the outer side of the bridge deck body 1 by casting.

In this embodiment, the top of the bridge body 1, the top of the joint 2, the top of the elastic seat 4 and the top of the bridge deck body 3 are all on the same plane, and the connection mode of the end of the joint 2 and the elastic seat 4 is a snap connection.

Specifically, the end of the joint 2 and two sides of the elastic seat 4 are both tooth structures, the joint 2 and the elastic seat 4 are not contacted with each other, a gap between the joint 2 and the elastic seat 4 reserves enough expansion space for the joint 2 and the elastic seat 4, and lateral deflection of the bridge body 1, the joint 2 and the bridge deck body 3 can be avoided.

As a further illustration of this embodiment, the resilient mount 4 is welded to the top of the mount 5, and the mount 5 is fixedly mounted to the top of the first cross member 6 by bolts.

In this embodiment, two ends of the bottom of the bridge deck body 3 are respectively clung to the tops of the two first beams 6, and the first beams 6 and the second beams 7 are connected in a clamping connection manner.

Specifically, the combination of the first cross beam 6 and the second cross beam 7 provides main support for the weight of the bridge body 1 and the deck body 3.

As a further illustration of this embodiment, the top of the first cross member 6 is a planar structure.

In this embodiment, the axis of the elastic seat 4, the axis of the mounting seat 5, the axis of the first beam 6 and the axis of the second beam 7 are all on the same vertical straight line, and the height of the bottom of the second beam 7 decreases from two ends to the middle.

Specifically, the first beam 6 is made of concrete, and the second beam 7 is made of metal.

As a further explanation of this embodiment, the first beam 6 and the second beam 7 are connected to each other to form a unitary structure, so that the overall weight is increased and the steel consumption is reduced.

In this embodiment, a first inner cylinder 10 is installed in each first pier body 8, and a first shock-absorbing and isolating support 11 is installed at the top of each first pier body 8; the bottom of the first shock-absorbing and insulating support 11 is connected with the top of the first inner cylinder 10, and the top of the first shock-absorbing and insulating support 11 is connected with the bottom of the second cross beam 7.

Specifically, the first inner cylinder 10 is of a metal cylindrical structure with openings at two ends, and the second cross beam 7 is wrapped on the inner side and the outer side of the first inner cylinder 10 through concrete pouring matched with steel bars.

As a further explanation of the present embodiment, shock and shear force are absorbed by the first shock absorbing and insulating mount 11.

In this embodiment, a second inner cylinder 12 is installed in the second pier body 9, and a second shock-absorbing and isolating support 13 is installed at the top of the second pier body 9; the bottom of the second shock-absorbing and insulating support 13 is connected with the top of the second inner cylinder 12, and the top of the second shock-absorbing and insulating support 13 is connected with the bottom of the second cross beam 7.

Specifically, the second pier body 9 is smaller in size than the first pier body 8.

As a further explanation of the present embodiment, the dimensions of the second shock absorbing and insulating mount 13 are the same as those of the first shock absorbing and insulating mount 11.

The working principle of the utility model is as follows: when the bridge is used, the first inner cylinder 10 and the second inner cylinder 12 are respectively fixed on foundations at specified positions, the first pier body 8 and the second pier body 9 are respectively manufactured outside the first inner cylinder 10 and the second inner cylinder 12 in a pouring mode, the first shock-absorbing and insulating support 11 and the second shock-absorbing and insulating support 13 are respectively arranged at the tops of the first pier body 8 and the second pier body 9, the second cross beam 7 is connected with the tops of the first shock-absorbing and insulating support 11 and the second shock-absorbing and insulating support 13 in a hanging mode, the first cross beam 6 is arranged at the top of the second cross beam 7 in a hanging mode, finally the whole body composed of the bridge body 1, the joint 2 and the bridge deck body 3 is hung between the two first cross beams 6 in a hanging mode, two ends of the joint 2 are ensured to be respectively arranged at the tops of the two mounting seats 5, teeth on the side edges of the joint 2 are mutually meshed with teeth on the side edges of the elastic seat 4, and two ends of the bottom of the bridge deck body 3 are respectively placed at the tops of the two first cross beams 6.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a steel construction bridge which characterized in that: the bridge comprises a bridge body (1), two ends of the bridge body (1) are respectively provided with two joints (2), and the outer side of the bridge body (1) is wrapped with a bridge deck body (3); the two connectors (2) are respectively connected with the two elastic seats (4), and the two elastic seats (4) are respectively fixed at the tops of the two mounting seats (5); the two mounting seats (5) are respectively arranged at the tops of the two first cross beams (6), and the two first cross beams (6) are respectively arranged at the tops of the two second cross beams (7); every the bottom of second crossbeam (7) all is equipped with a set of first pier body (8), and every first pier body (8) of group all is the symmetry with respect to the vertical axial lead of second crossbeam (7) and is equipped with two, all is equipped with a second pier body (9) between two second pier bodies (9) of same group simultaneously.

2. A steel structure bridge according to claim 1, wherein: the top of bridge body (1), the top of joint (2), the top of elastic seat (4) and the top of bridge floor body (3) all be on the coplanar, and the terminal of joint (2) is connected for the block with elastic seat (4) connected mode.

3. A steel structure bridge according to claim 1, wherein: the two ends of the bottom of the bridge deck body (3) are respectively clung to the tops of the two first cross beams (6), and the first cross beams (6) and the second cross beams (7) are connected in a clamping mode.

4. A steel structure bridge according to claim 1, wherein: the axial lead of the elastic seat (4), the axial lead of the mounting seat (5), the axial lead of the first cross beam (6) and the axial lead of the second cross beam (7) are all on the same vertical straight line, and the height of the bottom of the second cross beam (7) is gradually decreased from two ends to the middle.

5. A steel structure bridge according to claim 1, wherein: a first inner cylinder (10) is arranged in each first pier body (8), and a first shock-absorbing and isolating support (11) is arranged at the top of each first pier body (8); the bottom of the first shock-absorbing and isolating support (11) is connected with the top of the first inner cylinder (10), and the top of the first shock-absorbing and isolating support (11) is connected with the bottom of the second cross beam (7).

6. A steel structure bridge according to claim 1, wherein: a second inner cylinder (12) is arranged in the second pier body (9), and a second shock-absorbing and isolating support (13) is arranged at the top of the second pier body (9); the bottom of the second shock-absorbing and isolating support (13) is connected with the top of the second inner cylinder (12), and the top of the second shock-absorbing and isolating support (13) is connected with the bottom of the second cross beam (7).