CN114277659A - Modularization steel truss landing stage structure suitable for mountain park - Google Patents

Abstract

The invention discloses a modular steel truss trestle structure suitable for mountainous parks, which is composed of a steel grating paving plate, a steel pipe truss girder, a connecting support and a Y-shaped supporting pier; the steel grating pavement plate is fixed on the top of the steel pipe truss girder, and the steel pipe truss girder is fixed on the top of the Y-shaped support pier through the connecting support; two steel pipe truss girders are connected through connecting pieces; the segmented structures of the 5 modularized steel pipe truss structures are connected through the high-strength bolts, so that the trestle can conform to the terrain, the linear combination of the trestle is reasonable and elegant, and the design of the flat and longitudinal sections meets the barrier-free requirement; the steel grating modularized fastener type bridge deck pavement slab can be flexibly installed according to the line shape of a plank road, the modularized structural design adopts factory prefabrication field assembly, the operation is simple and convenient, and the construction quality is ensured; the method for designing the truss trestle has the advantages of remarkable effect and obvious economic benefit.

Description

Modularization steel truss landing stage structure suitable for mountain park

Technical Field

The invention relates to the technical field of steel trestle structures, in particular to a modular steel truss trestle structure suitable for mountainous parks.

Background

The steel trestle is a structure positioned between buildings for production or structures, is higher than the ground and is used for supporting transportation equipment or forming a height difference to facilitate replacement and walking of personnel, and is divided into trestles such as a rubber belt conveyor gallery, a skip, a railway, a winch way, an automobile, a sidewalk and the like according to the transportation mode, so that the steel trestle has quite wide functions, but the traditional steel trestle is not easy to build, needs a large amount of manpower to implement, wastes time and labor when being transferred, and needs other mechanical assistance when being moved, so that the steel trestle is quite troublesome; and in places with large fluctuation height difference in mountain parks, the construction quality control and field operation difficulty are large.

Disclosure of Invention

The invention aims to provide a trestle structure to overcome the defects in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a modularized steel truss trestle structure suitable for mountainous parks is characterized in that the steel truss trestle consists of a steel grating paving plate, a steel pipe truss girder, a connecting support and a Y-shaped supporting pier; the steel grating pavement plate is fixed on the top of the steel pipe truss girder, and the steel pipe truss girder is fixed on the top of the Y-shaped support pier through the connecting support; two steel pipe truss girders are connected through connecting pieces.

By adopting the technical scheme, the modular structure of the steel truss trestle is assembled on site by factory prefabrication, so that the operation is simple and convenient, the construction quality is ensured, and the rapid assembly on site can be realized.

Preferably, the steel pipe truss girder comprises a straight-line truss girder, a return truss girder, a turning truss girder, a straight-line connecting truss girder and a curved truss girder; the steel pipe truss girder is formed by cutting and welding steel pipe intersecting lines for a finished product structure, and the steel pipe truss girder is electroplated by adopting a galvanizing process.

Preferably, the steel tube truss girder consists of a plurality of groups of crossbearers and a plurality of crossbearers, the crossbearers are formed by welding a plurality of steel tubes, and the crossbearers are formed by splicing a plurality of groups of triangles; the multiple groups of cross frames are arranged in the cross beam, and the connecting part of the cross beam and the cross frames is positioned at the intersection point of the steel pipes in the cross frames; the side face and the top face of the steel pipe truss girder are both provided with oblique steel pipes.

Preferably, both ends of the cross beam are provided with clamping plate type connecting pieces, and the clamping plate type connecting pieces at both ends of the cross beam are embedded together and fixed through fasteners.

Preferably, the return truss girder is a truss girder with the radius of 3 m; the turning truss girder is a truss girder with the radius of 6 meters; the curved truss girder is a truss girder with the radius of 12.5 meters, can be divided into 2-3 small sections, and can be connected with a fastener by adopting a flange plate.

By adopting the technical scheme, the steel truss trestle can conform to the terrain, the linear combination of the trestle is reasonable and elegant, and the design of the flat section and the longitudinal section meets the barrier-free requirement.

Preferably, the bottom of steel pipe truss roof beam is provided with multiunit connection support, connect the support and pass through the fastener and fix on Y type supports the mound, and connect and be equipped with the rubber bearing between support and the Y type supports the mound.

Preferably, the steel grating paving plate is connected to the steel pipe truss girder through a U-shaped round steel fastener, and the outer layer of the steel grating paving plate is galvanized.

By adopting the technical scheme, the steel pipe truss and the steel grating pavement plate adopt the galvanizing process, and the steel truss beam does not need to be managed and maintained within 30 years of the later galvanizing protection period.

Compared with the prior art, the invention has the beneficial effects that:

the invention discloses a design method of a modularized steel structure truss trestle for overcoming the fluctuating height difference of a mountain park, wherein the modularized steel structure truss trestle is connected through 5 modularized steel pipe truss structures by high-strength bolts, can conform to the terrain, ensures the reasonable and elegant linear combination of the trestle, and simultaneously meets the barrier-free requirement by the design of flat and longitudinal sections; the steel grating modularized fastener type bridge deck paving plate can be flexibly installed according to the line shape of a plank road, the modularized structural design adopts factory prefabrication field assembly, the operation is simple and convenient, the construction quality is ensured, meanwhile, the steel pipe truss adopts a galvanizing process, and the steel truss girder is not required to be maintained within 30 years of a later galvanizing protection period; the method for designing the truss trestle has the advantages of remarkable effect and obvious economic benefit.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the structure of a straight section truss girder according to the present invention.

Fig. 2 is a side view of the steel pipe truss girder structure of the present invention.

Fig. 3 is a schematic cross-sectional structure view of the steel pipe truss girder of the present invention.

Fig. 4 is a schematic view of the connecting support structure of the invention.

Fig. 5 is a schematic diagram of the steel grid pavement structure of the invention.

Fig. 6 is an enlarged schematic cross-sectional view of the structure at a in the present invention.

Fig. 7 is an enlarged view of the structure at B of the present invention.

Fig. 8 is a schematic structural view of the Y-shaped buttress of the present invention.

Fig. 9 is a schematic view of the structure of the straight connection truss girder of the present invention.

Fig. 10 is a schematic view of the structure of the return truss girder of the present invention.

Fig. 11 is a schematic view of a turning truss beam structure of the present invention.

Fig. 12 is a schematic view of a curved truss girder according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the steel tube truss girder comprises 1-a steel tube truss girder, 2-a connecting support, 3-a Y-shaped supporting pier, 4-a transverse frame, 5-a steel grating paving plate, 31-a rubber support, 41-an oblique steel tube, 42-a transverse frame and 43-a connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides a technical solution:

a modularized steel truss trestle structure suitable for mountainous parks is composed of a steel grating paving plate 5, a steel pipe truss girder 1, a connecting support 2 and a Y-shaped support pier 3; the steel grating paving plate 5 is fixed at the top of the steel pipe truss girder 1, and the steel pipe truss girder 1 is fixed at the top of the Y-shaped support pier 3 through the connecting support 2; the steel pipe truss girder 1 is connected by a connecting member 43.

Specifically, as shown in fig. 1-7, the modular design of the steel truss trestle structure provides 5 kinds of steel pipe truss girder 1 modules, which are respectively a straight-line truss girder, a return truss girder, a turning truss girder, a straight-line connection truss girder and a curved truss girder; all modules of the steel pipe truss girder 1 adopt steel pipes for finished product structures, and the steel pipes are cut by intersecting lines and welded in factories; the steel pipe truss girder 1 modules are connected with each other by adopting a splint type connecting piece 43 and a bolt, so that the connecting requirement of the members can be met, and the expansion requirement of the continuous steel structure members can also be met; the 12.5-meter curved truss girder module can be further divided into 2-3 small sections, and can be connected with fasteners through flange plates, so that transportation and installation of mountainous regions are facilitated, mountain vegetation can be effectively protected, and construction access and welding complex installation processes are saved.

Wherein, the return truss girder is a truss girder with the radius of 3 m; the turning truss girder is a truss girder with the radius of 6 meters; the curved truss girder is a truss girder with a radius of 12.5 meters.

Specifically, as shown in fig. 4 and 8, a plurality of groups of connecting supports 2 are arranged at the bottom of the steel pipe truss girder 1, the connecting supports 2 are fixed on the Y-shaped supporting piers 3 through fasteners, and rubber supports 31 are arranged between the connecting supports 2 and the Y-shaped supporting piers 3; the connecting support 2 is adopted to connect the steel pipe truss girder 1 and the Y-shaped supporting pier 3, and high-strength bolts are adopted to connect, so that the steel pipe truss girder has good seismic isolation and reduction effects.

Specifically, as shown in fig. 5 and 6, the steel grating mounting plate 5 is connected to the steel pipe truss girder 1 by a U-shaped round steel fastener, and the outer layer of the steel grating mounting plate 5 is galvanized; the bridge deck system of steel truss landing stage adopts galvanized steel grating mounting plate 5, and modular steel grating mounting plate 5 adopts U type round steel fastener to connect on steel pipe truss roof beam 1, and this kind of steel grating mounting plate 5 is convenient for install, dismantle, change.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a modularization steel truss landing stage structure suitable for mountain park, its characterized in that: the steel truss trestle comprises a steel grating paving plate (5), a steel pipe truss girder (1), a connecting support (2) and a Y-shaped support pier (3); the steel grating paving plate (5) is fixed at the top of the steel pipe truss girder (1), and the steel pipe truss girder (1) is fixed at the top of the Y-shaped support pier (3) through the connecting support (2); two steel pipe truss girders (1) are connected through connecting pieces (43).

2. The modular steel truss trestle structure suitable for mountain parks of claim 1, wherein: the steel pipe truss girder (1) comprises a straight-line truss girder, a return truss girder, a turning truss girder, a straight-line connecting truss girder and a curved truss girder; the steel pipe truss girder (1) is formed by cutting and welding steel pipe intersecting lines for a finished product structure, and the steel pipe truss girder (1) is electroplated by adopting a galvanizing process.

3. The modular steel truss trestle structure suitable for mountain parks of claim 2, wherein: the steel pipe truss girder (1) is composed of a plurality of groups of crossbearers (4) and a plurality of crossbearers (42), the crossbearers (4) are formed by welding a plurality of steel pipes, and the crossbearers (4) are formed by splicing a plurality of groups of triangles; the multiple groups of crossbearers (4) are arranged in the crossbearers (42), and the joints of the crossbearers (42) and the crossbearers (4) are positioned at the intersection points of the steel pipes in the crossbearers (4); the side face and the top face of the steel pipe truss girder (1) are both provided with oblique steel pipes (41).

4. The modular steel truss trestle structure suitable for mountain parks of claim 3, wherein: both ends of the cross beam (42) are provided with clamping plate type connecting pieces (43), and the clamping plate type connecting pieces (43) at both ends of the cross beam (42) are embedded together and fixed through fasteners.

5. The modular steel truss trestle structure suitable for mountain parks of claim 2, wherein: the return truss girder is a truss girder with the radius of 3 m; the turning truss girder is a truss girder with the radius of 6 meters; the curved truss girder is a truss girder with the radius of 12.5 meters, can be divided into 2-3 small sections, and can be connected with a fastener by adopting a flange plate.

6. The modular steel truss trestle structure suitable for mountain parks of claim 1, wherein: the steel pipe truss girder is characterized in that a plurality of groups of connecting supports (2) are arranged at the bottom of the steel pipe truss girder (1), the connecting supports (2) are fixed on the Y-shaped supporting piers (3) through fasteners, and rubber supports (31) are arranged between the connecting supports (2) and the Y-shaped supporting piers (3).

7. The modular steel truss trestle structure suitable for mountain parks of claim 1, wherein: the steel grating paving plate (5) is connected to the steel pipe truss girder (1) through a U-shaped round steel fastener, and the outer layer of the steel grating paving plate (5) is galvanized.

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