Quickly-assembled steel frame bridge

Abstract

The utility model relates to the technical field of steel-framed bridges, in particular to a quickly-assembled steel-framed bridge. The bridge deck comprises supporting frames, a bridge deck plate is arranged on one sides of the supporting frames, a quick assembly is arranged between the bridge deck plate and the supporting frames, a limiting rod is arranged between the two supporting frames, one side of the limiting rod is fixedly connected with an arc block with a hole, the limiting rod is inserted into the arc block with the hole, and the arc block with the hole is connected with the quick assembly. A fixing assembly is arranged between the limiting rod and the arc block with the hole, the rapid assembly comprises cylinders with holes which are fixedly connected to the two sides of the lower end of the bridge deck slab, two same cylindrical grooves are formed in the side, close to the cylinders with the holes, of the supporting frame, and connecting holes are formed in one sides of the inner walls of the cylindrical grooves; the problem that when the bridge deck slab is installed on the supporting frame, bolt preformed holes in the bridge deck slab and the supporting frame need to be aligned in the vertical direction and the horizontal direction, bolts can be normally inserted and tightened, and then the whole installation process is tedious is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel frame bridges, in particular to a fast-assembly steel frame bridge. Background Art

[0002] A steel frame bridge is a bridge built with steel plate bridge supports and a rigid frame bridge structural system. A rigid frame bridge is a structural system between a beam and an arch. It is a structure that combines a bending upper beam (or plate) structure with a pressure-bearing lower column (or pier) as a whole. A steel frame bridge consists of a support frame, a bridge deck, a limit rod, and an arc block with holes. When assembling a steel frame bridge, multiple support frames are assembled and fixed, and the bridge deck and support frame are fixed with bolts. Then the limit rod is inserted into the arc block with holes for auxiliary limiting to complete the assembly of the steel frame bridge.

[0003] In the prior art, when assembling a steel frame bridge, when installing the bridge deck to the support frame, bolt holes need to be reserved on the bridge deck and the support frame, and the bolts can only be properly inserted and tightened after they are aligned in both vertical and horizontal directions, making the installation process cumbersome. Utility Model Content

[0004] In order to solve the defects and shortcomings in the prior art, the utility model proposes a fast-assembly steel frame bridge.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A quick-assembly steel frame bridge comprises a support frame, characterized in that: a bridge deck is provided on one side of the support frame, a quick component is provided between the bridge deck and the support frame, a limit rod is provided between the two support frames, an arc block with a hole is fixedly connected to one side of the limit rod, the limit rod is inserted into the arc block with a hole, the arc block with a hole is fixedly connected to the support frame, a fixing component is provided between the limit rod and the arc block with a hole, the quick component comprises a cylinder with a hole fixedly connected to both sides of the lower end of the bridge deck, and two identical cylindrical grooves are provided on one side of the support frame close to the cylinder with a hole.

[0007] As a further preferred embodiment of the present invention, a connecting hole is opened on one side of the inner wall of the cylindrical groove, and the two cylindrical grooves are connected via the connecting hole.

[0008] As a further preferred embodiment of the present invention, circular plugs are slidably connected to both sides of the inner wall of the connecting hole, and the circular plugs are inserted into the perforated cylinder.

[0009] As a further preferred embodiment of the present utility model, a spring 1 is fixedly connected between the two circular pins, and the spring 1 is located in the connecting hole.

[0010] As a further preferred embodiment of the present utility model, a pull rope 1 is fixedly connected between the two circular pins, and the pull rope 1 is located in a spring 1.

[0011] As a further preferred embodiment of the present utility model, the arc surface of the pull rope 1 is fixedly connected with the pull rope 2, and the pull rope 2 passes through the support frame.

[0012] As a further preferred embodiment of the present invention, a slide groove is provided at the bottom of the inner wall of the cylindrical groove, and a baffle is slidably connected to the inner wall of the slide groove.

[0013] As a further preferred embodiment of the present utility model, a second spring is fixedly connected to the lower end of the arc surface of the baffle, and the other end of the second spring is fixed to the support frame.

[0014] As a further preferred embodiment of the utility model, the fixing assembly includes a hemispherical groove formed on the arc surface of the limiting rod, the inner wall of the hemispherical groove is provided with a hemispherical body, and the inner wall of the arc block with holes is provided with a hemispherical groove.

[0015] As a further preferred embodiment of the present invention, the arc surface of the hemisphere is fixedly connected with a rotating rod, and the rotating rod passes through the lower end of the limiting rod and can rotate inside the limiting rod.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0017] The utility model provides a fast-assembly steel frame bridge. By setting a fast component, when the bridge deck needs to be quickly installed on the support frame, the bridge deck is dragged so that the cylinder with holes is clamped into the cylindrical groove, and the round latches at both ends of the connecting hole are clamped into the cylinder with holes, thereby completing the installation and fixing of the bridge deck, replacing the installation method in the prior art that requires bolt holes to be reserved on the bridge deck and the support frame, and at the same time keeping the alignment in the vertical and horizontal directions, simplifying the installation process and facilitating loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the fixing assembly of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the utility model from another angle;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the quick assembly of the utility model.

[0022] Legend: 1. Support frame; 2. Quick assembly; 3. Fixed assembly; 4. Bridge deck; 5. Limit rod; 6. Arc block with hole; 21. Cylinder with hole; 22. Cylindrical groove; 23. Connecting hole; 24. Round latch; 25. Spring 1; 26. Pull rope 1; 27. Pull rope 2; 28. Slide groove; 29. ​​Baffle; 210. Spring 2; 31. Hemisphere 1 groove; 32. Hemisphere 2 groove; 33. Hemisphere; 34. Turning rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] [First embodiment]

[0027] Reference Figure 1-4 The first embodiment of the present invention is shown, and the first embodiment provides the following technical solutions:

[0028] A quick-assembly steel frame bridge includes a support frame 1, a bridge deck 4 is arranged on one side of the support frame 1, a quick component 2 is arranged between the bridge deck 4 and the support frame 1, a limit rod 5 is arranged between the two support frames 1, a perforated arc block 6 is fixedly connected to one side of the limit rod 5, the limit rod 5 is inserted into the perforated arc block 6, and a fixing component 3 is arranged between the limit rod 5 and the perforated arc block 6.

[0029] Reference Figure 4 As shown, in this embodiment: the quick component 2 includes a perforated cylinder 21 fixedly connected to both sides of the lower end of the bridge deck 4, and two identical cylindrical grooves 22 are provided on one side of the support frame 1 close to the perforated cylinder 21, and a connecting hole 23 is provided on one side of the inner wall of the cylindrical groove 22, and the two cylindrical grooves 22 are connected by means of the connecting hole 23, and circular plugs 24 are slidably connected on both sides of the inner wall of the connecting hole 23, and the circular plugs 24 are inserted into the perforated cylinder 21. By setting the quick component 2, when it is necessary to quickly install the bridge deck 4 on the support frame 1, the bridge deck 4 is dragged so that the perforated cylinder 21 is stuck in the cylindrical groove 22, so that the circular plugs 24 at both ends of the connecting hole 23 are stuck in the perforated cylinder 21, thereby completing the installation and fixation of the bridge deck 4, and a spring 25 is fixedly connected between the two circular plugs 24, and the spring 25 is located in the connecting hole 23. By setting the spring 25, the circular plug 24 is reset, and the two circular plugs 2 A pull rope 26 is fixedly connected between the bridge deck 4, and the pull rope 26 is located in the spring 25. By setting the pull rope 26, it is convenient to control the circular pins 24 on both sides. The arc surface of the pull rope 26 is fixedly connected with a pull rope 27, and the pull rope 27 runs through the support frame 1. When the bridge deck 4 needs to be removed, the pull rope 27 is pulled to drive the pull rope 26 to move downward, so that the circular pins 24 on both sides are retracted, and then the bridge deck 4 can be removed. A slide groove 28 is provided at the bottom of the wall, and a baffle 29 is slidably connected to the inner wall of the slide groove 28. When the perforated cylinder 21 is stuck in the cylindrical groove 22, the baffle 29 moves down in the slide groove 28, so that the circular pin 24 is inserted into the perforated cylinder 21 under the action of the spring 1 25. The lower end of the arc surface of the baffle 29 is fixedly connected to the spring 210, and the other end of the spring 210 is fixed to the support frame 1. By setting the spring 210, the baffle 29 is reset.

[0030] Reference Figure 2As shown, in this embodiment: the fixing component 3 includes a hemispherical groove 31 provided on the arc surface of the limiting rod 5, the inner wall of the hemispherical groove 31 is provided with a hemispherical body 33, and the inner wall of the arc block 6 with a hole is provided with a hemispherical groove 32. When it is necessary to fix the limiting rod 5, the limiting rod 5 is inserted into the arc block 6 with a hole, and the hemispherical body 33 is rotated from the hemispherical groove 31 to the hemispherical groove 32, thereby fixing the limiting rod 5. The arc surface of the hemispherical body 33 is fixedly connected with a rotating rod 34, which passes through the lower end of the limiting rod 5 and can rotate inside the limiting rod 5. The rotating rod 34 is rotated to drive the hemispherical body 33 to rotate, thereby realizing the limiting fixation of the limiting rod 5.

[0031] Specific work:

[0032] When assembling the steel frame bridge, multiple support frames 1 are assembled and fixed, and the bridge deck 4 and the support frame 1 are fixed by bolts, and then the limit rod 5 is inserted into the perforated arc block 6 for auxiliary limiting to complete the assembly of the steel frame bridge. When it is necessary to quickly install the bridge deck 4 on the support frame 1, the bridge deck 4 is dragged so that the perforated cylinder 21 is stuck in the cylindrical groove 22, so that the baffle 29 moves down in the slide groove 28, and the circular pin 24 is inserted into the perforated cylinder 21 under the action of the spring 1 25, so that the circular pins 24 at both ends of the connecting hole 23 are stuck in the perforated cylinder 21, thereby completing the installation and fixation of the bridge deck 4. When it is necessary to disassemble the bridge deck 4, pull the pull rope 27 to drive the pull rope 1 26 to move downward, so that the circular pins 24 on both sides are retracted, and then the bridge deck 4 can be disassembled, and the baffle 29 is reset by setting the spring 210.

[0033] When the limiting rod 5 needs to be fixed, the limiting rod 5 is inserted into the arc block 6 with holes, and the rotating rod 34 is rotated to drive the hemispherical body 33 to rotate, and the hemispherical body 33 is transferred from the hemispherical groove 1 31 to the hemispherical groove 2 32 , thereby fixing the limiting rod 5 .

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A fast-assembly steel frame bridge, comprising a support frame (1), characterized in that: A bridge deck (4) is arranged on one side of the support frame (1), a quick assembly (2) is arranged between the bridge deck (4) and the support frame (1), a limit rod (5) is arranged between the two support frames (1), a perforated arc block (6) is fixedly connected to one side of the limit rod (5), the limit rod (5) is inserted into the perforated arc block (6), the perforated arc block (6) is fixedly connected to the support frame (1), a fixing assembly (3) is arranged between the limit rod (5) and the perforated arc block (6), the quick assembly (2) comprises a perforated cylinder (21) fixedly connected to both sides of the lower end of the bridge deck (4), and two identical cylindrical grooves (22) are provided on one side of the support frame (1) close to the perforated cylinder (21).

2. The fast-assembly steel frame bridge according to claim 1, characterized in that: A connecting hole (23) is provided on one side of the inner wall of the cylindrical groove (22), and the two cylindrical grooves (22) are connected via the connecting hole (23).

3. The fast-assembly steel frame bridge according to claim 2, characterized in that: Circular plugs (24) are slidably connected to both sides of the inner wall of the connection hole (23), and the circular plugs (24) are inserted into the perforated cylinder (21).

4. The fast-assembly steel frame bridge according to claim 3, characterized in that: A spring 1 (25) is fixedly connected between the two circular latches (24), and the spring 1 (25) is located in the connecting hole (23).

5. The fast-assembly steel frame bridge according to claim 4, characterized in that: A pull rope 1 (26) is fixedly connected between the two circular latches (24), and the pull rope 1 (26) is located inside the spring 1 (25).

6. The fast-assembly steel frame bridge according to claim 5, characterized in that: The arc surface of the pull rope 1 (26) is fixedly connected to the pull rope 2 (27), and the pull rope 2 (27) passes through the support frame (1).

7. The fast-assembly steel frame bridge according to claim 2, characterized in that: A sliding groove (28) is provided at the bottom of the inner wall of the cylindrical groove (22), and a baffle (29) is slidably connected to the inner wall of the sliding groove (28).

8. The fast-assembly steel frame bridge according to claim 7, characterized in that: A second spring (210) is fixedly connected to the lower end of the arc surface of the baffle (29), and the other end of the second spring (210) is fixed to the support frame (1).

9. The fast-assembly steel frame bridge according to claim 1, characterized in that: The fixing assembly (3) comprises a hemispherical groove (31) formed on the arc surface of the limiting rod (5), the inner wall of the hemispherical groove (31) is provided with a hemispherical body (33), and the inner wall of the arc block with a hole (6) is provided with a hemispherical groove (32).

10. The fast-assembly steel frame bridge according to claim 9, characterized in that: The arc surface of the hemispherical body (33) is fixedly connected to a rotating rod (34), and the rotating rod (34) passes through the lower end of the limiting rod (5) and can rotate inside the limiting rod (5).

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