High-stability steel structure bridge

Abstract

The utility model belongs to the technical field of building materials, and particularly relates to a high-stability steel structure bridge which comprises a steel frame, a fixing plate located at the corner of the steel frame and a support installed below the fixing plate, and a shockproof assembly is installed between the fixing plate and the support. The steel frame comprises an upper rod and a lower rod, and a plurality of supporting rods are arranged between the upper rod and the lower rod in the height direction of the bridge; a plurality of steel cables are arranged between the upper rod and the lower rod in the width direction of the bridge; on the bottom surface of the bridge, a cross beam and a longitudinal beam which are connected with each other are arranged between the two lower rods; the anti-vibration assembly comprises an upper top plate and a lower top plate, anti-vibration dampers are arranged between the upper top plate and the lower top plate, and the anti-vibration dampers are sleeved with springs. Through the arrangement of the steel frame structure and the shockproof assembly, the stability of the steel structure bridge can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building materials, and in particular relates to a steel structure bridge with high stability. Background Art

[0002] Steel structure is a structure made mainly of steel, and is one of the main types of building structures. The characteristics of steel are high strength, light weight, and high rigidity. Therefore, it is particularly suitable for building large-span, super-high, and super-heavy buildings. The material has good homogeneity and isotropy, and is an ideal elastic body, which best conforms to the basic assumptions of general engineering mechanics. The material has good plasticity and toughness, can have large deformation, and can withstand dynamic loads well. It has a high degree of industrialization and can be produced with a high degree of mechanization. It is mainly used for the load-bearing skeleton of heavy workshops, plant structures under dynamic loads, plate-shell structures, towering TV towers and mast structures, large-span structures such as bridges and warehouses, high-rise and super-high-rise buildings, etc. The use of steel structure in bridges can be said to be indispensable, but the existing steel structure bridges have poor stability and may break during use, reducing their safety. Therefore, it is urgent to propose a new technical solution to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a high-stability steel structure bridge in view of the deficiencies of the prior art, which improves the stability of the bridge by changing the steel frame structure and arranging a shock-proof component between the steel frame and the bracket.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A high-stability steel structure bridge comprises a steel frame, a fixing plate located at a corner of the steel frame and a bracket installed below the fixing plate, wherein an anti-vibration component is installed between the fixing plate and the bracket;

[0006] The steel frame comprises an upper rod and a lower rod, the number of the upper rod and the number of the lower rod are both set to two, the upper rod is located above the lower rod and the upper rod and the lower rod are coplanar; in the height direction of the bridge, a plurality of support rods are arranged between the upper rod and the lower rod; in the width direction of the bridge, a plurality of steel cables are arranged between the upper rod and the lower rod; on the bottom surface of the bridge, a cross beam and a longitudinal beam connected to each other are arranged between the two lower rods;

[0007] The anti-vibration assembly comprises an upper top plate and a lower top plate, and an anti-vibration damper is arranged between the upper top plate and the lower top plate, and the anti-vibration damper is sleeved with a spring.

[0008] As an improvement of the high-stability steel structure bridge described in the utility model, the height direction and the width direction are perpendicular to each other.

[0009] As an improvement of the high-stability steel structure bridge described in the utility model, a plurality of seismic dampers are provided, and the distances between the plurality of seismic dampers are equal, so that the force can be evenly applied, thereby avoiding the situation of rollover due to uneven force.

[0010] As an improvement of the high-stability steel structure bridge described in the utility model, a first connecting block is fixedly installed on the bottom surface of the upper top plate, and a second connecting block is fixedly installed on a side of the lower top plate close to the seismic damper, and the seismic damper is fixedly installed between the upper top plate and the lower top plate through the first connecting block and the second connecting block.

[0011] In the utility model, when the bridge is subjected to an external force, the spring can cooperate with the anti-vibration damper to buffer the external force through elastic deformation, thereby avoiding the bridge from breaking.

[0012] As an improvement of the high-stability steel structure bridge described in the utility model, the support rods include vertical rods and diagonal rods, and a plurality of the vertical rods and the diagonal rods are provided, and the distances between the plurality of vertical rods are equal.

[0013] As an improvement of the high-stability steel structure bridge described in the utility model, in the width direction, each vertical rod and its two adjacent diagonal rods form a triangular structure, and the two adjacent triangular structures are oriented in opposite directions. The triangular structure is stable, and the connection relationship between the vertical rod and the diagonal rod can increase the stability of the steel frame.

[0014] As an improvement of the high-stability steel structure bridge described in the utility model, the steel frame also includes a welding fixture, and each vertex of the triangular structure is equipped with the welding fixture to further increase the connection strength between the upper rod and the lower rod.

[0015] As an improvement of the high-stability steel structure bridge described in the utility model, the two upper poles are arranged in parallel, the installation point of the welding fixing parts and the vertical poles and the upper poles is set as a first point, and the steel cable is connected between the first points corresponding to the two upper poles.

[0016] As an improvement of the high-stability steel structure bridge described in the utility model, the two upper rods are respectively called the first upper rod and the second upper rod, and the steel cable is connected between the first point position of each first upper rod and the first point position of the second upper rod staggered.

[0017] As an improvement of the high-stability steel structure bridge described in the utility model, the steel cables are connected between the support rods in the width direction.

[0018] In the utility model, the steel cable is used to increase the connection strength between the first upper rod and the second upper rod, and is used to increase the connection strength between the support rods respectively connected to the first upper rod and the second upper rod.

[0019] As an improvement of the high-stability steel structure bridge described in the utility model, the installation point of the support rod and the lower rod is set to a second point, the two lower rods are arranged in parallel, and the two lower rods are respectively called the first lower rod and the second lower rod. In the width direction, the cross beam is installed between the second points corresponding to the first lower rod and the second lower rod, and the longitudinal beam crosses multiple cross beams to form a cross structure. The cross structure is used to increase the connection strength between the first lower rod and the second lower rod, and works together with the steel cable to further increase the stability of the steel frame.

[0020] The beneficial effect of the utility model is that the high-stability steel structure bridge of the utility model comprises a steel frame, a fixing plate located at the corner of the steel frame and a bracket installed below the fixing plate, and a shockproof assembly is installed between the fixing plate and the bracket; the steel frame comprises an upper rod and a lower rod, and the number of the upper rod and the lower rod is set to two, the upper rod is located above the lower rod and the upper rod and the lower rod are coplanar; in the height direction of the bridge, a plurality of support rods are arranged between the upper rod and the lower rod; in the width direction of the bridge, a plurality of steel cables are arranged between the upper rod and the lower rod; on the bottom surface of the bridge, mutually connected cross beams and longitudinal beams are arranged between the two lower rods; the shockproof assembly comprises an upper top plate and a lower top plate, and a shockproof damper is arranged between the upper top plate and the lower top plate, and the shockproof damper is sleeved with springs. The utility model can increase the stability of the steel structure bridge through the arrangement of the steel frame structure and the shockproof assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is a structural schematic diagram of the shockproof component in the utility model.

[0024] The reference numerals are described as follows:

[0025] 1-steel frame; 11-upper rod; 111-first upper rod; 112-second upper rod; 12-lower rod; 121-first lower rod; 122-second lower rod; 13-support rod; 131-vertical rod; 132-diagonal rod; 14-steel cable; 15-crossbeam; 16-longitudinal beam; 17-welded fixings;

[0026] 2-Fixed plate;

[0027] 3- Bracket;

[0028] 4- anti-vibration assembly; 41- upper top plate; 42- lower top plate; 43- anti-vibration damping; 44- spring; 45- first connecting block; 46- second connecting block;

[0029] H-height direction; W-width direction. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of this application are only for the purpose of describing specific implementation methods and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary and secondary relationship.

[0032] Reference to "embodiment" in this application means that a particular feature, structure or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments.

[0033] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "attached" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] In the embodiments of the present application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings, as well as the overall thickness, length, width and other dimensions of the integrated device are only exemplary descriptions and should not constitute any limitation to the present application.

[0035] The term "plurality" used in the present application refers to two or more (including two).

[0036] The following is combined with Figures 1-2 The present invention is further described in detail with specific implementation modes, but it is not intended to limit the present invention. Figure 1 The four corners of the middle steel frame 1 are all provided with brackets 3. The brackets 3 at the two rear corners cannot be fully displayed. Figure 1 Not reflected in.

[0037] A high-stability steel structure bridge comprises a steel frame 1, a fixing plate 2 located at a corner of the steel frame 1 and a bracket 3 installed below the fixing plate 2, and an anti-vibration component 4 is installed between the fixing plate 2 and the bracket 3;

[0038] The steel frame 1 includes an upper rod 11 and a lower rod 12. The length of the upper rod 11 is smaller than that of the lower rod 12. The number of the upper rod 11 and the number of the lower rod 12 are both set to two. The upper rod 11 is located above the lower rod 12 and the upper rod 11 and the lower rod 12 are coplanar. In the height direction H of the bridge, a plurality of support rods 13 are arranged between the upper rod 11 and the lower rod 12. In the width direction W of the bridge, the width direction W and the height direction H are perpendicular to each other, and a plurality of steel cables 14 are arranged between the upper rod 11 and the lower rod 12. On the bottom surface of the bridge, a cross beam 15 and a longitudinal beam 16 connected to each other are arranged between the two lower rods 12.

[0039] The anti-vibration assembly 4 includes an upper top plate 41 and a lower top plate 42 , and an anti-vibration damper 43 is arranged between the upper top plate 41 and the lower top plate 42 . There are multiple anti-vibration dampers 43 , and the distances between the multiple anti-vibration dampers 43 are equal. The anti-vibration dampers 43 are all sleeved with springs 44 .

[0040] In this embodiment, the fixed plate 2 and the bracket 3 are both arranged at the corners of the steel frame 1, and five shockproof dampers 43 are provided. It can be understood that in other different application scenarios, the positions of the fixed plate 2 and the bracket 3 can be changed as needed. At the same time, the size of the shockproof assembly 4 and the number of shockproof dampers 43 included therein can also be replaced according to actual needs without making specific settings.

[0041] Preferably, a first connecting block 45 is fixedly installed on the bottom surface of the upper top plate 41, and a second connecting block 46 is fixedly installed on a side of the lower top plate 42 close to the anti-vibration damper 43, and the anti-vibration damper 43 is fixedly installed between the upper top plate 41 and the lower top plate 42 through the first connecting block 45 and the second connecting block 46.

[0042] In this embodiment, when the bridge is subjected to external force, the spring 44 can cooperate with the anti-vibration damper 43 to buffer the external force through elastic deformation, thereby preventing the bridge from breaking due to excessive force; the distances between the anti-vibration dampers 43 are equal, so that the force is balanced, thereby preventing the anti-vibration component 4 from shifting due to uneven force.

[0043] Preferably, the two upper rods 11 are arranged in parallel, and the two upper rods 11 are respectively called the first upper rod 111 and the second upper rod 112, and the two lower rods 12 are arranged in parallel, and the two lower rods 12 are respectively called the first lower rod 121 and the second lower rod 122, the support rod 13 connected to the first upper rod 111 and the first lower rod 121, the first upper rod 111 and the first lower rod 121 are located in the same plane, the support rod 13 connected to the second upper rod 112 and the second lower rod 122, the second upper rod 112 and the second lower rod 122 are located in the same plane, the support rod 13 includes a vertical rod 131 and an oblique rod 132, and a plurality of vertical rods 131 and an oblique rod 132 are each provided, and a distance between the plurality of vertical rods 131 is equal, and in the width direction W in the same plane, each vertical rod 131 and its two adjacent oblique rods 132 form a triangular structure, and the two adjacent triangular structures are oriented in opposite directions to form a parallelogram structure; the triangular structure further increases the stability of the steel frame 1.

[0044] Preferably, the steel frame 1 further comprises a welding fixture 17, and a welding fixture 17 is installed at the top corner of each triangular structure to facilitate welding and installation.

[0045] Preferably, the installation point of the welding fixture 17 and the vertical rod 131 and the upper rod 11 is set as the first point, a steel cable 14 is connected between the first points corresponding to the two upper rods 11, and a steel cable 14 is connected between the first point of each first upper rod 111 and the first point of the second upper rod 112 that is staggered; in the width direction W, the steel cables 14 are connected between the support rods 13 located in different planes.

[0046] Preferably, the installation point of the support rod 13 and the lower rod 12 is set to the second point. In the width direction W, a cross beam 15 is installed between the second points corresponding to the first lower rod 121 and the second lower rod 122. The longitudinal beam 16 crosses multiple cross beams 15 to form a cross structure. The cross structure is used to increase the connection strength between the first lower rod 121 and the second lower rod 122, and works together with the steel cable 14 to further increase the stability of the steel frame 1.

[0047] According to the disclosure and teaching of the above description, the technicians in the field of the utility model can also change and modify the above implementation. Therefore, the utility model is not limited to the above specific implementation, and any obvious improvement, replacement or modification made by the technicians in this field on the basis of the utility model belongs to the protection scope of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of explanation and do not constitute any limitation to the utility model.

Claims

1. A high-stability steel structure bridge, characterized in that: It comprises a steel frame (1), a fixing plate (2) located at a corner of the steel frame (1), and a bracket (3) installed below the fixing plate (2), and an anti-vibration component (4) is installed between the fixing plate (2) and the bracket (3); The steel frame (1) comprises an upper rod (11) and a lower rod (12), wherein the number of the upper rod (11) and the number of the lower rod (12) are both set to two, the upper rod (11) is located above the lower rod (12), and the upper rod (11) and the lower rod (12) are coplanar; in the height direction (H) of the bridge, a plurality of support rods (13) are arranged between the upper rod (11) and the lower rod (12); in the width direction (W) of the bridge, a plurality of steel cables (14) are arranged between the upper rod (11) and the lower rod (12); on the bottom surface of the bridge, a cross beam (15) and a longitudinal beam (16) connected to each other are arranged between the two lower rods (12); The anti-vibration assembly (4) comprises an upper top plate (41) and a lower top plate (42), an anti-vibration damper (43) is arranged between the upper top plate (41) and the lower top plate (42), and the anti-vibration damper (43) is sleeved with a spring (44).

2. The high-stability steel structure bridge according to claim 1, characterized in that: A plurality of the anti-vibration dampers (43) are provided, and the distances between the plurality of anti-vibration dampers (43) are equal.

3. The high-stability steel structure bridge according to claim 1, characterized in that: A first connecting block (45) is fixedly mounted on the bottom surface of the upper top plate (41), and a second connecting block (46) is fixedly mounted on a surface of the lower top plate (42) close to the anti-vibration damper (43); the anti-vibration damper (43) is fixedly mounted between the upper top plate (41) and the lower top plate (42) via the first connecting block (45) and the second connecting block (46).

4. The high-stability steel structure bridge according to claim 1, characterized in that: The support rod (13) comprises a vertical rod (131) and an oblique rod (132), and a plurality of the vertical rod (131) and the oblique rod (132) are provided, and the distances between the plurality of vertical rods (131) are equal.

5. The high-stability steel structure bridge according to claim 4, characterized in that: In the width direction (W), each of the vertical rods (131) and its two adjacent oblique rods (132) form a triangular structure, and the two adjacent triangular structures are oriented in opposite directions.

6. The high-stability steel structure bridge according to claim 5, characterized in that: The steel frame (1) further comprises a welding fixture (17), and the welding fixture (17) is installed at the top corner of each triangular structure.

7. The high-stability steel structure bridge according to claim 6, characterized in that: The two upper rods (11) are arranged in parallel, the installation point of the welding fixing piece (17) and the vertical rod (131) and the upper rod (11) is set as a first point, and the steel cable (14) is connected between the first points corresponding to the two upper rods (11).

8. The high-stability steel structure bridge according to claim 7, characterized in that: The two upper rods (11) are respectively called a first upper rod (111) and a second upper rod (112), and the steel cable (14) is connected between the first point of each first upper rod (111) and the first point of the second upper rod (112) which is staggered.

9. The high-stability steel structure bridge according to claim 1, characterized in that: In the width direction (W), the steel cables (14) are connected between the support rods (13).

10. The high-stability steel structure bridge according to claim 1, characterized in that: The installation point of the support rod (13) and the lower rod (12) is set as a second point, the two lower rods (12) are arranged in parallel, and the two lower rods (12) are respectively called the first lower rod (121) and the second lower rod (122). In the width direction (W), the cross beam (15) is installed between the second points corresponding to the first lower rod (121) and the second lower rod (122), and the longitudinal beam (16) crosses multiple cross beams (15) to form a cross structure.

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