CN214245304U

CN214245304U - Truss for assembled bridge

Info

Publication number: CN214245304U
Application number: CN202021219167.4U
Authority: CN
Inventors: 周建; 杨华斌; 周小华
Original assignee: Jiangsu Zhonghai Bridge Equipment Co Ltd
Current assignee: Jiangsu Zhonghai Bridge Equipment Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-09-21
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses an assembled truss for bridge, including the entablature, main sloping and Z type roof beam, Z type roof beam includes horizontal segment and slope section, the entablature, the both ends of Z type roof beam are equipped with connector one respectively, connector two, connector one, connector two phase match, main sloping upper end is connected in the tip and the connector one of entablature, the lower extreme coincides and connects connector two with the slope section, the entablature, still be equipped with main perpendicular roof beam between the horizontal segment, erect roof beam three, the both ends of erecting roof beam three are all connected in connector one, the entablature, the perpendicular roof beam two that still is equipped with vertical setting between the connector two links of slope section. The utility model discloses a middle pier support region of upwards sunken has been constituteed to the mode of Z type roof beam and main sloping partial coincidence, has reduced the height of bridge. Because the utility model discloses a many sloping, erect the roof beam and be connected main sloping, Z type roof beam and entablature, consequently holistic intensity rigidity is all higher. The main vertical beam improves the overall compression resistance.

Description

Truss for assembled bridge

Technical Field

The utility model relates to a truss for assembled bridge belongs to assembled bridge technical field.

Background

The traditional bridge building mode has the following characteristics: the construction period is long, the influence on traffic is large, the overall energy consumption is high, the manual workload on site is large, and the labor cost rises greatly. The assembled bridge can completely solve the problems, and most parts are produced in a workshop in a unified way, so that the assembled bridge has the advantages of short field construction period, rapidness in installation and low cost.

The whole steel structure design that adopts of assembled bridge, when the bridge span is great, need increase its bulk strength and rigidity, and the common measure of increase intensity and rigidity is exactly to increase the cross-sectional dimension of bridge, promotes the height of support truss, but the promotion of support height just can make the high promotion of whole bridge, has increased the construction degree of difficulty and cost.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model aims to provide a truss for assembled bridge has solved among the prior art assembled bridge under the great condition of span, bearing capacity, the highly great technical problem of bridge floor.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a truss for assembled bridge, including the entablature, main sloping and Z type roof beam, Z type roof beam includes horizontal segment and slope section, the entablature, the both ends of Z type roof beam are equipped with connector one respectively, connector two, connector one, connector two phase matching, main sloping upper end is connected in the tip and the connector one of entablature, the lower extreme coincides and connects connector two with the slope section, the entablature, still be equipped with main perpendicular roof beam between the horizontal segment, erect roof beam three, the both ends of erecting roof beam three all are connected in connector one, the entablature, the perpendicular roof beam two that still is equipped with vertical setting between the connector two links of slope section.

Preferably, a vertical beam I which is vertically arranged is further arranged between the joint of the horizontal section and the inclined section and the upper cross beam.

Preferably, the truss for the assembled bridge further comprises a fourth inclined beam, two ends of the fourth inclined beam are respectively connected to a node between the first vertical beam and the upper cross beam, a node between the horizontal section of the fourth inclined beam and the third vertical beam, and the middle of the fourth inclined beam is further connected with a main inclined beam and a main vertical beam.

Preferably, in the truss for the fabricated bridge, a second reinforcing plate is further disposed between the main oblique beam, the main vertical beam and the fourth oblique beam, and the main oblique beam, the main vertical beam and the fourth oblique beam are all welded to the second reinforcing plate.

Preferably, the truss for the fabricated bridge further comprises a first oblique beam and a second oblique beam which are connected in a cross mode, two ends of the first oblique beam are respectively connected with the upper cross beam and the inclined section, and two ends of the second oblique beam are respectively connected with the vertical beam II, the upper cross beam and a node of the vertical beam I.

Preferably, the truss for the fabricated bridge further comprises a third oblique beam and a lower cross beam, wherein one end of the third oblique beam is connected with a node of the second oblique beam and the second vertical beam, the other end of the third oblique beam is connected with an inclined section, one end of the lower cross beam is connected with a node of the third oblique beam and the second oblique beam, and the other end of the lower cross beam is connected with a node of the first oblique beam and the main oblique beam.

Preferably, in the truss for an assembled bridge described above, the lower end of the main oblique beam is further provided with a thickening layer for connecting a pier.

Preferably, in the truss for the fabricated bridge, the vertical beam II, the lower cross beam, the oblique beam III and the oblique beam II are further connected through the reinforcing plate I.

Preferably, in the truss for the assembled bridge, the main vertical beam comprises three i-beams.

Preferably, Z type roof beam includes the channel-section steel that two openings set up back to back, and main sloping sets up between the slope section, and the both ends of slope section still are equipped with reinforcing plate three respectively.

The utility model discloses the beneficial effect who reaches:

compared with the prior art, the utility model discloses a Z type roof beam has constituteed the middle pier support region of upwards sunken with the mode of main sloping partial coincidence, has reduced the height of bridge. Furthermore, because the utility model discloses a many sloping, erect the roof beam and be connected main sloping, Z type roof beam and entablature, consequently holistic intensity rigidity is all higher. The main vertical beam is positioned right above the supporting position of the pier, so that the integral pressure resistance is improved.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a front view of the Z-shaped beam of the present invention;

FIG. 4 is a front view of an application scenario of the present invention;

the meaning of the reference symbols in the figures: 1-upper beam; 2-connecting head one; 3-connecting head II; 4-main oblique beam; 5-Z-beam; 6-main vertical beam; 7-a first oblique beam; 8-a second oblique beam; 9-oblique beam III; 10-a vertical beam I; 11-oblique beam four; 12-a second vertical beam; 13-vertical beam III; 14-thickening layer; 15-lower beam; 51-horizontal segment; 52-inclined section; 16-reinforcing plate one; 61-a second reinforcing plate; 53-reinforcing plate three.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4: the embodiment discloses a truss for assembled bridge, including entablature 1, main sloping 4 and Z type roof beam 5, Z type roof beam 5 includes horizontal segment 51 and slope section 52, entablature 1, the both ends of Z type roof beam 5 are equipped with connector one 2 respectively, connector two 3, connector one 2, connector two 3 phase-matches, the tip and the connector one 2 of entablature 1 are connected to main sloping 4 upper end, the lower extreme coincides and connects connector two 3 with slope section 52, entablature 1, still be equipped with main vertical girder 6 between the horizontal segment 51, vertical girder three 13, the both ends of vertical girder three 13 all are connected in connector one 2, entablature 1, still be equipped with vertical girder two 12 of vertical setting between the connector two 3 links of slope section 52. The main vertical beam 6 comprises three i-beams.

Preferably, a vertical beam I10 which is vertically arranged is also arranged between the node of the horizontal section 51 and the inclined section 52 and the upper cross beam 1.

The embodiment further comprises an oblique beam four 11, two ends of the oblique beam four 11 are respectively connected to a node of the vertical beam one 10 and the upper cross beam 1, and a node of the horizontal section 51 and the vertical beam three 13, and the middle of the oblique beam four 11 is further connected with a main oblique beam 4 and a main vertical beam 6.

Still be equipped with two 61 reinforcing plates between main sloping 4, the main perpendicular roof beam 6, the sloping four 11, main sloping 4, the main perpendicular roof beam 6, the sloping four 11 all weld in two 61 reinforcing plates.

The embodiment also comprises a first inclined beam 7 and a second inclined beam 8 which are in cross connection, wherein two ends of the first inclined beam 7 are respectively connected with the upper cross beam 1 and the inclined section 52, and two ends of the second inclined beam 8 are respectively connected with the vertical beam two 12, and a node of the upper cross beam 1 and a node of the vertical beam one 10.

The combined type inclined beam structure further comprises an inclined beam III 9 and a lower cross beam 15, one end of the inclined beam III 9 is connected with a node of the inclined beam II 8 and the vertical beam II 12, the other end of the inclined beam III is connected with the inclined section 52, one end of the lower cross beam 15 is connected with a node of the inclined beam III 9 and the inclined beam II 8, and the other end of the lower cross beam is connected with a node of the inclined beam I7 and the main inclined beam 4.

In order to prevent the Z-shaped girder 5 from being crushed and deformed by the bridge pier, the present embodiment further provides a thickening layer 14 for connecting the bridge pier at the lower end of the main girder 4. The vertical beam II 12, the lower cross beam 15, the oblique beam III 9 and the oblique beam II 8 are further connected through a reinforcing plate I16.

The Z-shaped beam 5 comprises two channel steel with openings arranged in an opposite mode, the main oblique beam 4 is arranged between the oblique sections 52, and two ends of each oblique section 52 are respectively provided with a third reinforcing plate 53 for reinforcing the strength of a bending part.

As shown in figure 4, when the bridge deck is used, the bridge deck is arranged at the upper end of the upper cross beam 1, the end parts of the two trusses are connected through the first connecting head 2 and the second connecting head 3 through the pin shaft, so that an area with the bottom concave upwards is formed between the two trusses, and the bridge piers are arranged in the area right away, namely the bridge piers abut against the thickening layer 14 to form support for the whole bridge truss.

Compared with the prior art, the embodiment forms a pier supporting area with the middle part sunken upwards by partially overlapping the Z-shaped beam 5 and the main oblique beam 4, and reduces the height of the bridge. In addition, because the main oblique beam 4 and the Z-shaped beam 5 are connected with the upper cross beam 1 by adopting a plurality of oblique beams and vertical beams, the whole strength and rigidity are high.

The main vertical beam 6 is positioned right above the pier supporting position, and the integral pressure resistance is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A truss for an assembled bridge is characterized by comprising an upper cross beam (1), a main oblique beam (4) and a Z-shaped beam (5), the Z-shaped beam (5) comprises a horizontal section (51) and an inclined section (52), two ends of the upper cross beam (1) and the Z-shaped beam (5) are respectively provided with a first connector (2) and a second connector (3), the first connecting head (2) is matched with the second connecting head (3), the upper end of the main oblique beam (4) is connected with the end part of the upper cross beam (1) and the first connecting head (2), the lower end of the main oblique beam is superposed with the oblique section (52) and is connected with the second connecting head (3), a main vertical beam (6) and a vertical beam III (13) are also arranged between the upper cross beam (1) and the horizontal section (51), the two ends of the vertical beam III (13) are connected to the first connecting end (2), and a vertical beam II (12) which is vertically arranged is further arranged between the connecting ends of the upper cross beam (1) and the second connecting end (3) of the inclined section (52).

2. The truss for the assembled bridge according to claim 1, wherein a vertical beam I (10) which is vertically arranged is further arranged between the node of the horizontal section (51) and the inclined section (52) and the upper cross beam (1).

3. The truss for the assembled bridge according to claim 2, further comprising a fourth inclined beam (11), wherein two ends of the fourth inclined beam (11) are respectively connected to a node between the first vertical beam (10) and the upper cross beam (1) and a node between the horizontal section (51) and the third vertical beam (13), and the middle of the fourth inclined beam (11) is further connected with the main inclined beam (4) and the main vertical beam (6).

4. The truss for the assembled bridge according to claim 3, wherein a second reinforcing plate (61) is further arranged among the main oblique beam (4), the main vertical beam (6) and the fourth oblique beam (11), and the main oblique beam (4), the main vertical beam (6) and the fourth oblique beam (11) are welded on the second reinforcing plate (61).

5. The truss for the assembled bridge according to claim 3, further comprising a first inclined beam (7) and a second inclined beam (8) which are connected in a cross manner, wherein two ends of the first inclined beam (7) are respectively connected with the upper cross beam (1) and the inclined section (52), and two ends of the second inclined beam (8) are respectively connected with nodes of the second vertical beam (12), the upper cross beam (1) and the first vertical beam (10).

6. The truss for the assembled bridge according to claim 5, further comprising a third inclined beam (9) and a lower cross beam (15), wherein one end of the third inclined beam (9) is connected with a node of the second inclined beam (8) and the second vertical beam (12), the other end of the third inclined beam is connected with the inclined section (52), one end of the lower cross beam (15) is connected with a node of the third inclined beam (9) and the second inclined beam (8), and the other end of the lower cross beam is connected with a node of the first inclined beam (7) and the main inclined beam (4).

7. A truss for assembled type bridge according to claim 1 wherein the lower end of the main girder (4) is further provided with a thickening layer (14) for connecting a pier.

8. The truss for the assembled bridge according to claim 6, wherein the second vertical beam (12), the lower cross beam (15), the third inclined beam (9) and the second inclined beam (8) are further connected through a first reinforcing plate (16).

9. An assembled girder for bridge according to claim 1, wherein the main vertical beam (6) includes three i-beams.

10. The assembled truss for bridge of claim 1, wherein the Z-shaped beam (5) comprises two channel steels with opposite openings, the main oblique beam (4) is arranged between the oblique sections (52), and two ends of the oblique section (52) are respectively provided with a third reinforcing plate (53).