阅读说明：本技术 一种钢结构拼接桥梁的廊架结构 (Corridor frame structure of steel structure spliced bridge ) 是由 李朝阳 于 2019-11-23 设计创作，主要内容包括：本发明涉及一种钢结构拼接桥梁的廊架结构,它包括前后依次连接的三个廊架单元(61),所述廊架单元(61)包括左右平行布置的两个廊架横梁(611),所述廊架横梁(611)前后两端均向外下侧设置有支撑斜梁(612),前后两个支撑斜梁(612)之间左右平行设置有多个廊架纵梁(613),所述廊架纵梁(613)上端与廊架横梁(611)相连接,所述支撑斜梁(612)与其相邻的廊架纵梁(613)之间通过第一加强斜撑(614)相连接,相邻两个廊架纵梁(613)之间通过第二加强斜撑(615),左右两个廊架横梁(611)通过前后平行布置的多个连接横梁(616)相连接。本发明一种钢结构拼接桥梁的廊架结构,它能够防止桥梁在使用过程中产生拉伸变形,使得整个拼接桥梁稳定性更好。(The invention relates to a gallery frame structure of a steel structure spliced bridge, which comprises three gallery frame units (61) connected in sequence from front to back, wherein each gallery frame unit (61) comprises two gallery frame cross beams (611) arranged in parallel from left to right, supporting oblique beams (612) are arranged at the front and back ends of each gallery frame cross beam (611) outwards and on the lower side, a plurality of gallery frame longitudinal beams (613) are arranged between the front and back supporting oblique beams (612) in parallel from left to right, the upper ends of the gallery frame longitudinal beams (613) are connected with the gallery frame cross beams (611), the supporting oblique beams (612) are connected with the adjacent gallery frame longitudinal beams (613) through first reinforcing oblique supports (614), the adjacent gallery frame longitudinal beams (613) are connected through second reinforcing oblique supports (615), and the left and right gallery frame cross beams (611) are connected through a plurality of connecting cross beams (616) arranged in parallel from front to back. The corridor frame structure of the steel structure spliced bridge can prevent the bridge from generating tensile deformation in the using process, so that the stability of the whole spliced bridge is better.)

1. The utility model provides a corridor frame structure of steel construction concatenation bridge which characterized in that: it includes three corridor frame unit (61) that connect gradually from beginning to end, corridor frame unit (61) is including controlling two corridor frame crossbeams (611) of parallel arrangement, both ends all are provided with outside downside around corridor frame crossbeam (611) and support sloping (612), and it has a plurality of corridor frame longerons (613) to control parallel arrangement between two front and back support sloping (612), corridor frame longeron (613) upper end is connected with corridor frame crossbeam (611), support sloping (612) and corridor frame longeron (613) lower extreme and bridge floor (22) are connected, support sloping (612) and be connected through first enhancement bracing (614) between rather than adjacent corridor frame longeron (613), through second enhancement bracing (615) between two adjacent corridor frame longerons (613), control two corridor frame crossbeams (611) and be connected through a plurality of connection crossbeam (616) of parallel arrangement from beginning to end.

2. The gallery structure of the spliced steel structure bridge of claim 1, wherein: the supporting oblique beam (612) of the previous corridor frame unit (61) is connected with the supporting oblique beam (612) of the next corridor frame unit (61) through an oblique beam reinforcing plate (7).

3. The gallery structure of the spliced steel structure bridge of claim 1, wherein: two adjacent connecting cross beams (616) are connected through a reinforcing assembly (8); strengthen sub-assembly (8) including intermediate junction spare (81), intermediate junction spare (81) are connected through a plurality of curb plates (812) including two upper and lower connecting plates (811), between two upper and lower connecting plates (811) middle parts, connecting plate (811) left and right sides symmetry is provided with first cooperation section (8111), bilateral symmetry is provided with second cooperation section (8112) around first cooperation section (8111), it is provided with between first cooperation section (8111) and corridor frame crossbeam (611) and strengthens crossbeam (82) to be connected between second cooperation section (8112) and connection crossbeam (616) tip and is provided with and strengthens sloping (83).

4. The gallery structure of the spliced steel structure bridge of claim 3, wherein: a cross beam connecting piece (84) is arranged at the connecting position of the reinforcing cross beam (82) and the gallery frame cross beam (611); the beam connecting piece (84) comprises an upper beam connecting plate and a lower beam connecting plate (841), the upper beam connecting plate and the lower beam connecting plate (841) are respectively clamped on the upper side and the lower side of the gallery frame beam (611), and a reinforcing beam slot (842) is arranged between the inner sides of the upper beam connecting plate and the lower beam connecting plate (841).

5. The gallery structure of the spliced steel structure bridge of claim 3, wherein: an oblique beam connecting piece (85) is arranged at the connecting position of the reinforcing oblique beam (83) and the connecting cross beam (616); the sloping connecting piece (85) comprises an upper sloping connecting plate (851) and a lower sloping connecting plate (851), the upper sloping connecting plate (851) and the lower sloping connecting plate (851) are respectively clamped on the upper side and the lower side of the gallery frame cross beam (611), a connecting cross beam slot (852) is arranged between the inner sides of the upper sloping connecting plate (851) and the lower sloping connecting plate (851), and a reinforcing sloping slot (853) is arranged on the front side or the rear side of the connecting cross beam slot (852).

Technical Field

The invention relates to a corridor frame structure of a steel structure spliced bridge, and belongs to the technical field of building bridges.

Background

The steel structure bridge is a bridge with a main bearing structure adopting steel structure, namely a beam or legs and a pier body form rigid connection, and the pier is fixedly connected, so that the beam and the pier are integrally stressed, and the pier not only bears the vertical pressure caused by the load on the beam, but also bears the bending moment and the horizontal thrust. Under the action of vertical load, the bending moment of a beam of the steel bridge is generally smaller than that of a continuous beam or a simply supported beam with the same span, and the spanning capacity of the beam bridge is larger than that of a beam bridge; the pier beam is consolidated without a large support, and the structure has strong integrity and good earthquake resistance, so the pier beam is more and more widely applied in recent years.

The existing steel bridge is unreasonable in structural design, cumbersome in construction process and capable of being completely constructed by large labor force; in addition, the tensile stability is poor in the using process, and deformation is generated after long-time use, so that the use in the future is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a corridor frame structure of a steel structure spliced bridge aiming at the prior art, which can solve the problem that the traditional steel structure bridge deforms after being used for a long time.

The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a corridor frame structure of steel construction concatenation bridge, it includes the three corridor frame unit that connects gradually around, corridor frame unit is including controlling two corridor frame crossbeams of parallel arrangement, both ends all are provided with the support sloping outward to the downside around the corridor frame crossbeam, and parallel arrangement has a plurality of corridor frame longerons around two support sloping about between, corridor frame longeron upper end is connected with corridor frame crossbeam, support sloping and corridor frame longeron lower extreme and be connected with the bridge floor, be connected through first enhancement bracing between support sloping and its adjacent corridor frame longeron, strengthen the bracing through the second between two adjacent corridor frame longerons, control two corridor frame crossbeams and be connected through a plurality of connection crossbeams of parallel arrangement from beginning to end.

Preferably, the supporting oblique beam of the previous corridor frame unit is connected with the supporting oblique beam of the next corridor frame unit through an oblique beam reinforcing plate.

Preferably, two adjacent connecting cross beams are connected through a reinforcing assembly; the reinforced combined part comprises an intermediate connecting piece, the intermediate connecting piece comprises an upper connecting plate and a lower connecting plate, the middle parts of the upper connecting plate and the lower connecting plate are connected through a plurality of side plates, the left side and the right side of each connecting plate are symmetrically provided with first matching sections, the front side and the rear side of each first matching section are symmetrically provided with second matching sections, a reinforced cross beam is connected and arranged between each first matching section and the cross beam of the gallery frame, and a reinforced oblique beam is connected and arranged between each second matching section and the end part of the corresponding connecting cross beam.

Preferably, a cross beam connecting piece is arranged at the connecting position of the reinforcing cross beam and the cross beam of the gallery frame; the cross beam connecting piece comprises an upper cross beam connecting plate and a lower cross beam connecting plate, the upper cross beam connecting plate and the lower cross beam connecting plate are clamped on the upper side and the lower side of the cross beam of the gallery frame respectively, and a reinforcing cross beam slot is formed between the inner sides of the upper cross beam connecting plate and the lower cross beam connecting plate.

Preferably, an oblique beam connecting piece is arranged at the connecting position of the reinforcing oblique beam and the connecting cross beam; the inclined beam connecting piece comprises an upper inclined beam connecting plate and a lower inclined beam connecting plate, the upper inclined beam connecting plate and the lower inclined beam connecting plate are clamped on the upper side and the lower side of a cross beam of the gallery frame respectively, a connecting cross beam slot is arranged between the inner sides of the upper inclined beam connecting plate and the lower inclined beam connecting plate, and a reinforcing inclined beam slot is arranged on the front side or the rear side of the connecting cross beam slot.

Compared with the prior art, the invention has the advantages that:

the corridor frame structure of the steel structure spliced bridge can prevent the bridge from generating tensile deformation in the using process, so that the stability of the whole spliced bridge is better.

Drawings

Fig. 1 is a schematic structural diagram of a gallery structure of a steel structure spliced bridge.

Fig. 2 is a schematic structural diagram of the bridge body in fig. 1.

Figure 3 is a transverse cross-sectional schematic view of the deck of figure 1.

Fig. 4 is a schematic view of the structure of the balustrade of fig. 1.

Fig. 5 is a schematic structural view of the gallery shelf of fig. 1.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a schematic structural diagram of the reinforcing assembly of fig. 6.

Fig. 8 is a schematic view of the structure of the intermediate connecting member of fig. 7.

Fig. 9 is a schematic structural view of the beam connector of fig. 7.

Fig. 10 is a schematic structural view of the reinforced sloping beam connector in fig. 7.

Wherein:

bridge pier 1

Bridge body 2

Bridge body supporting plate 21

Bridge deck 22

Cross beam 221

Stringer 222

Patterned steel plate 223

First steel box 224

Concrete layer 225

Waterproof layer 226

Asphalt concrete layer 227

Guard bar 3

Column 31

A hollow balustrade 32;

second steel box 4

Upper pinch plate 5

Gallery frame 6

Gallery frame unit 61

Gallery frame beam 611

Supporting oblique beam 612

Gallery frame longitudinal beam 613

First reinforcing diagonal brace 614

Second reinforcing brace 615

Connecting beam 616

Inclined beam reinforcing plate 7

Reinforcing assembly 8

Intermediate connecting piece 81

Connecting board 811

Side panel 812

First mating segment 8111

Second mating segment 8112

Reinforcing cross member 82

Reinforcing stringer 83

Beam connector 84

Oblique beam connector 85

Beam connecting plate 841

Stiffener slot 842

Oblique beam connector 85

Oblique beam connecting plate 851

Connecting beam slot 852

A reinforcing stringer slot 853.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Referring to fig. 1 to 10, the corridor frame structure of a steel structure spliced bridge related by the invention comprises a plurality of piers 1 arranged in front and back, a bridge body 2 is arranged on the plurality of piers 1, the bridge body 2 comprises two bridge body supporting plates 21 arranged in parallel on left and right, a bridge deck 22 is arranged between the two bridge body supporting plates 21, the bridge deck 22 comprises a plurality of cross beams 221 arranged in front and back at intervals, the cross beams 221 are connected with the two bridge body supporting plates 21, the two adjacent cross beams 221 are connected with each other through a plurality of longitudinal beams 222 arranged in parallel on left and right, the two adjacent longitudinal beams 222 are connected with each other through a patterned steel plate 223, the upper surface of the patterned steel plate 223 is flush with the upper surfaces of the longitudinal beams 222, the left and right sides of the plurality of cross beams 221 are respectively provided with a first steel box 224, a concrete layer 225, a waterproof layer 226 and an asphalt concrete layer 227 are sequentially laid between, the upper surface of the asphalt concrete layer 227 is flush with the upper surface of the first steel box 224;

the thickness of the patterned steel plate 223 is 6 mm;

the thickness of the concrete layer 225 is 250mm, and the concrete layer 225 is formed by pouring C40 concrete;

the waterproof layer 226 is made of FYT waterproof paint;

the thickness of the asphalt concrete layer 226 is 75 mm;

the bridge deck 22 is provided with a left row of guardrails 3 and a right row of guardrails 3, and the left row of guardrails and the right row of guardrails 3 are respectively positioned at the left side and the right side of the bridge deck 22;

the guardrail 3 comprises a plurality of upright posts 31 which are arranged at intervals in the front-back direction, and a hollow-out guardrail plate 32 is arranged between every two adjacent upright posts 31;

the first steel box 224 is provided with a second steel box 4, the top of the bridge deck support plate 21 extends inwards to be provided with an upper buckle plate 5, and the upper buckle plate 5 is buckled on the second steel box 4;

the upright column 31 is arranged on the upper buckle plate 5;

a gallery frame 6 is arranged on the bridge floor 22, and the gallery frame 6 is positioned between the left and right rows of guardrails 3;

the gallery frame 6 comprises three gallery frame units 61 which are sequentially connected from front to back, each gallery frame unit 61 comprises two gallery frame cross beams 611 which are arranged in parallel from left to right, supporting oblique beams 612 are arranged at the front ends and the back ends of the gallery frame cross beams 611 outwards and downwards, a plurality of gallery frame longitudinal beams 613 are arranged between the front supporting oblique beams 612 and the back supporting oblique beams 612 in parallel from left to right, the upper ends of the gallery frame longitudinal beams 613 are connected with the gallery frame cross beams 611, the lower ends of the supporting oblique beams 612 and the gallery frame longitudinal beams 613 are connected with the bridge floor 22, the supporting oblique beams 612 and the adjacent gallery frame longitudinal beams 613 are connected through first reinforcing oblique supports 614, the adjacent gallery frame longitudinal beams 613 are connected through second reinforcing oblique supports 615, and the left gallery frame cross beams 611 and the right gallery frame cross beams are connected through a plurality of;

the supporting oblique beam 612 of the previous corridor frame unit 61 is connected with the supporting oblique beam 612 of the next corridor frame unit 61 through an oblique beam reinforcing plate 7;

two adjacent connecting cross beams 616 are connected through the reinforcing assembly 8;

the reinforcing assembly 8 comprises a middle connecting piece 81, the middle connecting piece 81 comprises an upper connecting plate 811 and a lower connecting plate 811, the middle parts of the upper connecting plate 811 and the lower connecting plate 811 are connected through a plurality of side plates 812, first matching sections 8111 are symmetrically arranged on the left side and the right side of the connecting plates 811, second matching sections 8112 are symmetrically arranged on the front side and the rear side of the first matching sections 8111, a reinforcing cross beam 82 is connected between the first matching sections 8111 and a gallery frame cross beam 611, and a reinforcing oblique beam 83 is connected between the second matching sections 8112 and the end part of the connecting cross beam 616;

a beam connecting piece 84 is arranged at the connecting position of the reinforcing beam 82 and the gallery frame beam 611;

an oblique beam connecting piece 85 is arranged at the connecting position of the reinforcing oblique beam 83 and the connecting cross beam 616;

the beam connecting piece 84 comprises an upper beam connecting plate 841 and a lower beam connecting plate 841, the upper beam connecting plate 841 and the lower beam connecting plate 841 are respectively clamped on the upper side and the lower side of the gallery frame beam 611, and a reinforcing beam slot 842 is arranged between the inner sides of the upper beam connecting plate 841 and the lower beam connecting plate 841;

the oblique beam connecting piece 85 comprises an upper oblique beam connecting plate 851 and a lower oblique beam connecting plate 851, the upper oblique beam connecting plate 851 and the lower oblique beam connecting plate 851 are clamped on the upper side and the lower side of the gallery frame cross beam 611 respectively, a connecting cross beam slot 852 is arranged between the inner sides of the upper oblique beam connecting plate 851 and the lower oblique beam connecting plate 851, and a reinforcing oblique beam slot 853 is arranged on the front side or the rear side of the connecting cross beam slot 852.

In addition, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.