CN212128813U

CN212128813U - Deck type steel bridge

Info

Publication number: CN212128813U
Application number: CN202020118427.2U
Authority: CN
Inventors: 朱国伟
Original assignee: Jiangsu Qingshan Steel Bridge Co ltd
Current assignee: Jiangsu Qingshan Steel Bridge Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-12-11
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a deck type steel bridge, which comprises supporting components which are positioned at two sides and have gradually-higher heights, wherein the supporting components are provided with a single supporting column and a double supporting column which are arranged at intervals; i-shaped steel welded to the single support column and the double support columns respectively; the lower beams are respectively welded on the I-shaped steel at two sides and are provided with spaced mounting supports; the Bailey sheets are vertically arranged on the mounting support of the lower beam on one side and are connected to the lower beam on the other side through mutual splicing; a reinforcing frame connecting adjacent Bailey pieces; the upper beam is arranged at the upper end of the bailey sheet and corresponds to the lower beam; and the bridge deck is laid at the upper end of the upper beam, and guardrails are arranged on two sides of the bridge deck. The utility model discloses a main part of bailey piece equipment is supported to spaced single support post cooperation dual bracing column, and the upper and lower roof beam is strengthened stably, and decking cooperation guardrail protection avoids in the past to hold formula steel bridge installation trouble, the trouble of poor stability.

Description

Deck type steel bridge

Technical Field

The application belongs to the technical field of building construction, and specifically relates to a through type steel bridge.

Background

The temporary bridge is a temporary bridge constructed for engineering construction and transportation. The temporary bridge is required to be built because in construction, construction pavement is the primary task in the construction stage, when the construction and transportation requirements cannot be met by land transportation and water transportation of two banks crossing deep ditches or bridge positions in mountainous areas, the temporary bridge is required to be built, and the temporary bridge has the characteristics of simple structure, low cost, capability of recycling materials after a through vehicle is built, safety and firmness, and capability of meeting the requirements of engineering construction and transportation by rigidity.

The temporary bridge of steel construction is often adopted in the design of construction temporary road, and at present the steel temporary bridge is in the formula installation of taking up, and the structure is complicated, and the installation is troublesome, and each support cooperation is stable inadequately, lacks a mounting efficiency higher, practical steel bridge of taking up.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem that this application will be solved provides a deck steel bridge, through the double-support column of spaced single support column cooperation, supports the main part of bailey piece equipment, and the upper and lower roof beam is strengthened stably, and decking cooperation guardrail protection avoids deck steel bridge installation trouble in the past, the trouble of poor stability.

In order to solve the technical problem, the utility model discloses a deck type steel bridge, which comprises supporting components which are positioned at two sides and have gradually-higher heights, wherein the supporting components are provided with a single supporting column and a double supporting column which are arranged at intervals; i-shaped steel welded to the single support column and the double support columns respectively; the lower beams are respectively welded on the I-shaped steel at two sides and are provided with spaced mounting supports; the Bailey sheets are vertically arranged on the mounting support of the lower beam on one side and are connected to the lower beam on the other side through mutual splicing; a reinforcing frame connecting adjacent Bailey pieces; the upper beam is arranged at the upper end of the bailey sheet and corresponds to the lower beam; and the bridge deck is laid at the upper end of the upper beam, and guardrails are arranged on two sides of the bridge deck.

According to an embodiment of the present invention, the single support column is a steel pipe column, and the steel pipe column has a guide support groove for supporting the i-steel; the double-support column is provided with two spaced steel pipe columns, and the upper ends of the two steel pipe columns are welded with I-shaped steel through embedded beams; wherein, be equipped with the reinforcing stiffening plate between steel-pipe column and the I-steel, be equipped with the bridging between the relative steel-pipe column.

According to the utility model discloses an embodiment, wherein 2~3 single support columns in interval between the above-mentioned dual bracing post.

According to an embodiment of the present invention, the bailey piece includes an upper chord; a lower chord; the first vertical beam and the second vertical beam are connected with the two ends of the upper chord and the lower chord, and the third vertical beam is positioned in the middle section; the reinforcing oblique beam is welded between the upper chord member and the lower chord member; wherein, the upper chord and the lower chord are respectively provided with a male mounting head and a female mounting head at two ends, and the female mounting heads are fixedly mounted by mounting support bolts.

According to the utility model relates to an embodiment, wherein above-mentioned decking sets up to 10mm thick decorative pattern steel sheet, and the bottom is equipped with the I-steel and supports.

Compared with the prior art, the application can obtain the following technical effects:

through the two support columns of spaced single support column cooperation, support the main part of bailey piece equipment, the upper and lower roof beam is strengthened stably, and deck plate cooperation guardrail protection avoids in the past to hold up the trouble of formula steel bridge installation, the trouble of poor stability.

Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a front view of a deck steel bridge according to an embodiment of the present application;

FIG. 2 is a side view of a deck steel bridge according to an embodiment of the present application;

fig. 3 is a schematic diagram of a bailey piece according to an embodiment of the present application.

Reference numerals

The supporting component 10, the single supporting column 11, the double supporting columns 12, the guide supporting grooves 13, the reinforcing stiffening plates 14, the cross braces 15, the I-shaped steel 20, the lower beam 30, the mounting supports 31, the Bailey pieces 40, the upper chords 41, the lower chords 42, the first vertical beams 43, the second vertical beams 44, the third vertical beams 45, the reinforcing oblique beams 46, the mounting male heads 47, the mounting female heads 48, the reinforcing frame 50, the upper beams 60, the bridge deck 70 and the guardrails 80.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1 and 2 together, fig. 1 is a front view of a deck steel bridge according to an embodiment of the present application; FIG. 2 is a side view of a deck steel bridge according to an embodiment of the present application. As shown in the figure, a deck type steel bridge comprises support assemblies 10 which are positioned at two sides and have gradually-increased heights, wherein each support assembly 10 is provided with a single support column 11 and a double support column 12 which are spaced; i-shaped steel 20 welded to the single support column 11 and the double support column 12 respectively; the lower beams 30 are welded to the I-beams 20 on two sides respectively, and the lower beams 30 are provided with spaced mounting supports 31; the bailey pieces 40 are vertically installed on the installation supports 31 of the lower beam on one side, and the bailey pieces 40 are connected to the lower beam 30 on the other side through mutual splicing; a reinforcing frame 50 connecting adjacent bailey pieces 40; an upper beam 60 mounted on the upper end of the bailey piece 40 and corresponding to the lower beam 30; and a bridge deck 70 laid on the upper end of the upper beam 60, and guardrails 80 are provided on both sides of the bridge deck 70.

The utility model discloses an among the embodiment, single support post 11 and two support posts 12 mutually support, gradually high setting simultaneously forms the upper support formula and arranges, welds I-steel 20 respectively in both tops to continue welding underbeam 30 in the upper side, connect the supporting component 10 of one side respectively, then fixed bailey piece 40 on the erection support 31 of underbeam 30, splice in proper order, connect the supporting component 10 of both sides, accomplish the main part design of steel bridge. Meanwhile, the reinforcing frames 50 are arranged between the bailey pieces 40, so that the stability is further improved. After splicing is completed, the upper beam 60 is arranged at the upper end of the Bailey sheet 40 in the same way, the bridge deck 70 is paved to complete the forming of the bridge deck, and the guardrails 80 on the two sides ensure safety and improve protection. Preferably, the bridge deck 70 is a patterned steel plate with a thickness of 10mm, and the bottom of the bridge deck is provided with an I-shaped steel support, so that the bridge deck is widely applied.

The single support column 11 is a steel pipe column which is provided with a guide support groove 13 for supporting the I-shaped steel 20; the double-support column 12 is provided with two spaced steel pipe columns, and the upper ends of the two steel pipe columns are welded with I-shaped steel 20 through embedded beams; wherein, a reinforcing stiffening plate 14 is arranged between the steel pipe columns and the I-shaped steel, and a cross brace 15 is arranged between the opposite steel pipe columns. Preferably, the single support columns 11 are arranged between the double support columns 12 at intervals of 2-3 in a staggered mode, so that space materials are saved, the double support columns 12 are used for improving stability and compression performance, the I-shaped steel 20 is limited by the guide support grooves 13, the reinforcing stiffening plates 14 are used for facilitating welding, and strength is enhanced. The cross brace 15 improves the stability of the double-support column 12, and ensures safety.

Referring to fig. 3, fig. 3 is a schematic view of a bailey piece 40 according to an embodiment of the present disclosure. The bailey piece 40 includes an upper chord 41; a lower chord 42; a first vertical beam 43 and a second vertical beam 44 connecting two ends of the upper chord 41 and the lower chord 42, and a third vertical beam 45 positioned at the middle section; a reinforcing stringer 46 welded between the upper chord 41 and the lower chord 42; wherein, the two ends of the upper chord 41 and the lower chord 42 are respectively provided with a mounting male head 47 and a mounting female head 48, and the mounting support 31 is fixedly mounted with the female head 48 by bolts. In the present embodiment, the upper chord 41, the lower chord 42, the first vertical beam 43, the second vertical beam 44, and the third vertical beam 45 are mutually matched to form a main frame of the bailey piece 40, and the centers of the upper chord 41 and the lower chord 42 are all provided with a weight-reducing through groove for reducing weight and enhancing safety and stability. In addition, a reinforcing oblique beam 46 is further arranged between the upper chord 41 and the lower chord 42, so that the overall strength of the bailey truss is improved. Preferably, the upper chord 41 and the lower chord 42 are respectively provided with a mounting male head 47 and a mounting female head 48 at two ends, so as to be spliced with each other to complete the main body mounting of the bridge deck.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A deck steel bridge, comprising:

the supporting components are positioned on two sides and gradually heightened, and each supporting component is provided with a single supporting column and a double supporting column which are spaced;

the I-shaped steel is welded to the single supporting column and the double supporting columns respectively;

the lower beams are respectively welded on the I-shaped steel at two sides and are provided with spaced mounting supports;

the Bailey sheets are vertically arranged on the mounting supports of the lower beam on one side and connected to the lower beam on the other side through mutual splicing;

a reinforcing frame connecting the adjacent Bailey pieces;

the upper beam is arranged at the upper end of the Bailey sheet and corresponds to the lower beam; and

the bridge deck is laid on the upper end of the upper beam, and guardrails are arranged on two sides of the bridge deck.

2. The deck-type steel bridge according to claim 1, wherein the single support columns are provided as steel pipe columns having guide support grooves supporting the i-beams; the double-support column is provided with two spaced steel pipe columns, and the upper ends of the two steel pipe columns are welded with the I-shaped steel through embedded beams; and a reinforcing stiffening plate is arranged between the steel pipe columns and the I-shaped steel, and a cross brace is arranged between the steel pipe columns.

3. The deck steel bridge as recited in claim 1, wherein 2-3 single support columns are spaced between said double support columns.

4. The deck-type steel bridge of claim 1, wherein the bailey pieces include upper chords; a lower chord; the first vertical beam and the second vertical beam are connected with the two ends of the upper chord and the lower chord, and the third vertical beam is positioned in the middle section; the reinforcing oblique beam is welded between the upper chord and the lower chord; the upper chord and the lower chord are provided with a male mounting head and a female mounting head respectively at two ends, and the mounting support is fixedly provided with the female mounting head through bolts.

5. The deck according to claim 1, wherein said deck slab is provided as a 10mm thick patterned steel plate with an i-steel support at the bottom.