Combined bridge steel structure

Abstract

The utility model discloses a combined bridge steel structure which comprises a bridge body serving as an installation carrier, an arch-shaped supporting beam is arranged below the bridge body, supporting vertical rods are symmetrically installed in the middles of the two sides of the bridge body, and four sets of connecting rods are symmetrically installed on the two sides of the two ends of the bottom of the bridge body. And the bottom end of the connecting rod is fixedly connected with the top of the arched supporting beam. The supporting vertical rods are arranged in the middles of the two sides of the bridge body, the two main inhaul cables are installed at the top ends of the supporting vertical rods, the bottom ends of the two main inhaul cables are fixedly connected with the inner sides of the two supporting steel plates respectively, and therefore the stability of connection between the bridge body and the supporting steel plates is improved; the multiple sets of connecting rods are further connected with the main inhaul cable through the first fixing columns and the second connecting assemblies, the stability of connection between the connecting rods and the supporting steel plates and the stability of connection between the connecting rods and the supporting vertical rods are enhanced, and therefore the stability of connection between all reinforcing pieces in the whole combined bridge steel structure is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge steel structures, in particular to a combined bridge steel structure. Background Art

[0002] Steel bridges are bridges whose main load-bearing structures are made of steel, namely steel structure bridges and steel bridges. Prefabricated steel bridges have been widely used all over the world. The main load-bearing structure of bridge steel structures is made of steel, namely steel structure bridges and steel bridges. The main design concept of steel structure bridges is to use the least type of unit components to assemble into prefabricated steel bridges that can carry various loads and different spans. Therefore, combined bridge steel structures will be used.

[0003] Existing bridge steel structures often add reinforcing ribs to the straight plate-shaped main beam to increase its load-bearing capacity, but the load-bearing capacity that can be improved by this method is very limited, and it will also increase the weight of the entire bridge plate, affecting the stability of its own structure; and after the two ends of the existing bridge steel structure are installed on both sides of the river channel, it is impossible to further improve the stability of the connection between the bridge steel structure and the two sides of the river channel; at the same time, the existing bridge steel structure is very simple and cannot further improve the stability of the bridge steel structure itself. Utility Model Content

[0004] The purpose of the utility model is to provide a combined bridge steel structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined bridge steel structure, including a bridge body as a mounting carrier, an arched support beam is arranged below the bridge body, support vertical rods are symmetrically installed at the middle positions on both sides of the bridge body, four groups of connecting rods are symmetrically installed on both sides of the two ends of the bottom of the bridge body, and the bottom ends of the connecting rods are fixedly connected to the top of the arched support beam, a first fixing column is installed on the outer side of the connecting rod, support steel plates are symmetrically installed on both ends of the arched support beam, and the top ends of the support steel plates are fixedly connected to the bottom of the bridge body through locking components, four groups of reinforcing tie rods are symmetrically arranged at the ends of the two groups of support steel plates away from each other, and a number of reinforcing tie rods are evenly installed on the outer sides of the reinforcing tie rods. A group of barbed rods, one end of the reinforcement rod close to the arched support beam extends to the inner side of the supporting steel plate and is threadedly provided with a fixing nut, four groups of fixing rods are symmetrically installed at both ends of the top of the arched support beam, the fixing rods are fixedly connected to the reinforcement rods through a first connecting assembly, the top end of the outer side of the supporting vertical rod is sleeved with a fixing ring, and the outer side of the fixing ring is symmetrically installed with a main cable, the bottom end of the main cable is fixedly connected to the inner side of the supporting steel plate through a fixing embedded part, three groups of second connecting assemblies that cooperate with the first fixing column are arranged on the outer side of the main cable, the top end of the outer side of the supporting vertical rod is threadedly provided with a lifting nut, and the lifting nut is located below the fixing ring, and the top of the supporting vertical rod is provided with an anti-slip assembly that matches the fixing ring.

[0006] Preferably, the first connecting assembly includes two groups of first clamping members hinged to each other on the same side, two groups of through holes are symmetrically opened on the outer sides of the two groups of first clamping members, and first threaded columns adapted to the through holes are symmetrically installed on one end of the outer sides of the reinforcement rod and the fixed rod close to the first clamping member, and the outer sides of the four groups of the first threaded columns pass through the through holes and are threadedly installed with reinforcement nuts.

[0007] Preferably, the second connecting assembly includes two groups of second clamping members of exactly the same shape, a second fixing column is installed at the middle position of the outer side of one group of the second clamping members, the two groups of the second clamping members are fixedly connected by mounting screws and mounting nuts, the main cable passes through the groove in the middle of the two groups of second clamping members, a limiting rod is provided on the outer side of the second clamping member, and connecting rings compatible with the first fixing column and the second fixing column are symmetrically installed at both ends of the limiting rod.

[0008] Preferably, the locking assembly includes a second threaded column, which is arranged in two rows and distributed at both ends of the bottom of the bridge body. The bottom end of the second threaded column passes through the top of the supporting steel plate and is threadedly provided with a locking nut.

[0009] Preferably, the anti-slip assembly includes a fixing seat, which is in a U-shaped structure and is located at the top of the supporting vertical rod. Anti-slip bolts are symmetrically threaded on both sides of the fixing seat, and the fixing ring is fixedly connected to the fixing seat via the anti-slip bolts.

[0010] Preferably, two groups of auxiliary cables are symmetrically installed on the outer sides of the supporting vertical rods, and the bottom ends of the four groups of auxiliary cables are fixedly connected to the middle position of one side of the bridge body through the first embedded parts.

[0011] Preferably, side rails are symmetrically installed on both sides of the top of the bridge body, and the bottom ends of the side rails are fixedly connected to the top of the bridge body through second embedded parts.

[0012] Preferably, base plates are symmetrically installed at both ends of the bottom of the arched support beam, and an oblique support rod is installed at one end of the top of the base plate away from the supporting steel plate, and the top end of the oblique support rod is fixedly connected to the outer side of the supporting steel plate.

[0013] Preferably, a support pad is provided at a middle position of the bottom of the bridge body, and the bottom of the support pad is fixedly connected to a middle position of the top of the arched support beam.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model provides a combined bridge steel structure with the following features:

[0016] Beneficial effects:

[0017] 1. The utility model arranges an arched support beam below the bridge body, and strengthens the stability of the connection between the bridge body and the arched support beam by arranging a plurality of connecting rods. The arched support beam improves the load-bearing capacity of the bridge body itself, and the two ends of the bridge body and the arched support beam are also connected to each other by supporting steel plates, thereby improving the stability of the connection between the bridge body and the two ends of the arched support beam, and also improving the load-bearing capacity of the two ends of the bridge body. While improving the load-bearing capacity of the bridge body, the arched support beam does not directly add weight to the bridge body, thereby further ensuring the stability of the bridge body structure itself.

[0018] 2. The utility model arranges four groups of reinforcing rods on the outside of the two groups of supporting steel plates respectively, and buries one end of the multiple groups of barbed rods arranged on the outside of the reinforcing rods in the soil on both sides of the river channel, and improves the stability of the connection between the reinforcing rods and the supporting steel plates by tightening the fixing nuts. At the same time, the fixing rods and the first connecting assembly are fixedly connected to the top of the arched support beam, thereby improving the stability of the connection between the arched support beam and the supporting steel plates and the soil on both sides of the river channel, thereby improving the stability of the entire combined bridge steel structure after installation.

[0019] 3. The utility model arranges supporting vertical bars at the middle positions on both sides of the bridge body, and installs two main cables at the top ends of the supporting vertical bars, and the bottom ends of the two groups of main cables are respectively fixedly connected to the inner sides of the two groups of supporting steel plates, thereby improving the stability of the connection between the bridge body and the supporting steel plates. At the same time, multiple groups of connecting rods are also connected to the main cables through the first fixed column and the second connecting assembly, thereby strengthening the stability of the connection between the connecting rods and the supporting steel plates and the supporting vertical bars, thereby further improving the stability of the connection between the various reinforcement parts in the entire combined bridge steel structure, thereby further improving the stability of the combined bridge steel structure itself. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the front view of the utility model;

[0021] Figure 2 This is a front cross-sectional view of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of some parts of the second connecting assembly of the utility model;

[0023] Figure 4 This is the front view of the limit rod of the utility model;

[0024] Figure 5 It is a side view of the supporting steel plate of the utility model;

[0025] Figure 6 This is a connection diagram of the first connection component of the utility model;

[0026] Figure 7 For this utility model Figure 1 A magnified image of point A;

[0027] Figure 8 For this utility model Figure 2 Enlarged view of point B.

[0028] In the figure:

[0029] 10. Bridge body; 11. Connecting rod; 12. First fixed column; 13. Support pad; 14. Side rail; 15. Auxiliary cable;

[0030] 20. Arched support beam; 21. Support steel plate; 22. Reinforcement rod; 23. Barb rod; 24. Fixing nut; 25. Fixing rod; 26. First connecting assembly; 261. First hoop; 262. Through hole; 263. First threaded column; 264. Reinforcement nut; 27. Base plate; 28. Diagonal brace rod; 29. ​​Locking assembly; 291. Second threaded column; 292. Locking nut;

[0031] 30. Support vertical rod; 31. Fixing ring; 32. Main cable; 33. Fixing embedded parts; 34. Lifting nut; 35. Fixing seat; 36. Anti-slip bolt; 37. Second connecting assembly; 371. Second clamping hoop; 372. Second fixing column; 373. Limit rod; 374. Connecting ring; 375. Mounting screw; 376. Mounting nut. DETAILED DESCRIPTION

[0032] 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 of 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.

[0033] like Figure 1-8 As shown, a combined bridge steel structure includes a bridge body 10 as an installation carrier, an arched support beam 20 is arranged below the bridge body 10, and support vertical rods 30 are symmetrically installed at the middle positions on both sides of the bridge body 10, four groups of connecting rods 11 are symmetrically installed on both sides of the two ends of the bottom of the bridge body 10, and the bottom ends of the connecting rods 11 are fixedly connected to the top of the arched support beam 20, and the outer side of the connecting rods 11 is installed with a first fixing column 12, and the two ends of the arched support beam 20 are symmetrically installed with support steel plates 21, and the top ends of the support steel plates 21 are fixedly connected to the bottom of the bridge body 10 through locking components 29, and four groups of reinforcing rods 22 are symmetrically arranged at the ends of the two groups of support steel plates 21 away from each other, and a plurality of groups of barbed rods 23 are evenly installed on the outer sides of the reinforcing rods 22. One end of the arched support beam 20 extends to the inner side of the supporting steel plate 21 and is threadedly provided with a fixing nut 24. Four groups of fixing rods 25 are symmetrically installed at both ends of the top of the arched support beam 20. The fixing rods 25 are fixedly connected to the reinforcing rods 22 through the first connecting assembly 26. The top end of the outer side of the supporting vertical rod 30 is sleeved with a fixing ring 31, and the outer side of the fixing ring 31 is symmetrically provided with a main cable 32. The bottom end of the main cable 32 is fixedly connected to the inner side of the supporting steel plate 21 through a fixing embedded part 33. Three groups of second connecting assemblies 37 that cooperate with the first fixing column 12 are arranged on the outer side of the main cable 32. The top end of the outer side of the supporting vertical rod 30 is threadedly provided with a lifting nut 34, and the lifting nut 34 is located below the fixing ring 31. The top end of the supporting vertical rod 30 is provided with an anti-slip assembly that is compatible with the fixing ring 31.

[0034] In this embodiment, the first connecting component 26 includes two groups of first clamping members 261 hinged to each other on the same side, and two groups of through holes 262 are symmetrically opened on the outer sides of the two groups of first clamping members 261. The outer sides of the reinforcement rod 22 and the fixed rod 25 are symmetrically installed with first threaded columns 263 that are compatible with the through holes 262 at one end close to the first clamping member 261, and the outer sides of the four groups of first threaded columns 263 pass through the through holes 262 and are threadedly installed with reinforcement nuts 264.

[0035] In this embodiment, the second connecting assembly 37 includes two groups of second clamping members 371 of exactly the same shape, and a second fixing column 372 is installed at the middle position of the outer side of one group of second clamping members 371. The two groups of second clamping members 371 are fixedly connected by installing screws 375 and installing nuts 376. The main cable 32 passes through the groove in the middle of the two groups of second clamping members 371. A limiting rod 373 is provided on the outer side of the second clamping member 371, and connecting rings 374 compatible with the first fixing column 12 and the second fixing column 372 are symmetrically installed at both ends of the limiting rod 373.

[0036] In this embodiment, the locking assembly 29 includes a second threaded column 291, which is arranged in two rows, and the two rows of second threaded columns 291 are distributed at both ends of the bottom of the bridge body 10. The bottom end of the second threaded column 291 passes through the top of the supporting steel plate 21 and is threaded with a locking nut 292, which helps to fix the top of the two groups of supporting steel plates 21 to the two ends of the top of the bridge body 10 respectively.

[0037] In this embodiment, the anti-slip assembly includes a fixing seat 35, which has a U-shaped structure and is located at the top of the supporting vertical rod 30. Anti-slip bolts 36 are symmetrically threaded on both sides of the fixing seat 35, and the fixing ring 31 is fixedly connected to the fixing seat 35 by the anti-slip bolts 36, which helps to ensure the stability of the fixing ring 31 on the top of the supporting vertical rod 30.

[0038] In this embodiment, two groups of auxiliary cables 15 are symmetrically installed on the outer side of the supporting vertical rod 30, and the bottom ends of the four groups of auxiliary cables 15 are fixedly connected to the middle position of one side of the bridge body 10 through the first embedded parts, which helps to improve the load-bearing capacity of the bridge body 10.

[0039] In this embodiment, side rails 14 are symmetrically installed on both sides of the top of the bridge body 10, and the bottom ends of the side rails 14 are fixedly connected to the top of the bridge body 10 through second embedded parts, which helps to improve the force-bearing capacity of the bridge body 10 itself and can also provide safety protection for passers-by passing the top of the bridge body 10.

[0040] In this embodiment, base plates 27 are symmetrically installed at both ends of the bottom of the arched support beam 20, and a diagonal brace rod 28 is installed at the top end of the base plate 27 away from the supporting steel plate 21. The top end of the diagonal brace rod 28 is fixedly connected to the outer side of the supporting steel plate 21, which helps to improve the stability of the connection between the entire combined bridge steel structure and the soil on both sides of the river channel.

[0041] In this embodiment, a support pad 13 is provided at the middle position of the bottom of the bridge body 10, and the bottom of the support pad 13 is fixedly connected to the middle position of the top of the arched support beam 20, which helps to improve the stability of the support of the top of the arched support beam 20 to the middle position of the bottom of the bridge body 10.

[0042] Working principle: First, multiple groups of connecting rods 11 are arranged on the top of the arch support beam 20 to firmly support the bottom of the bridge body 10, and then support steel plates 21 are arranged at both ends of the arch support beam 20 to connect with the two ends of the bridge body 10 to provide stable support for both ends of the bridge body 10. One end of the multiple groups of barbed rods 23 arranged on the outside of the reinforcement rod 22 is buried in the soil on both sides of the river channel, and the reinforcement rod 22 is stably connected to the support steel plate 21 by tightening the fixing nut 24. Then, the reinforcement rod 22 and the fixed rod 25 are inserted into the inside of the first hoop 261 through two groups of first hoop members 261, and the first threaded column 263 passes through the through hole 262, and then the reinforcement nut 264 is tightened. The reinforcing rod 22 and the fixing rod 25 are fastened together, and then the fixing ring 31 is forced to move to the top of the supporting vertical rod 30 by turning the lifting nut 34, and then the anti-drop bolt 36 on the outside of the fixing seat 35 is tightened to fix the fixing ring 31 to the top of the supporting vertical rod 30, thereby straightening the main cable 32, and then the connecting ring 374 at one end of the limiting rod 373 is fixedly sleeved on the first fixing column 12, and then the other end of the limiting rod 373 is sleeved on the second fixing column 372, and then the two sets of second clamping parts 371 are sleeved on the outside of the main cable 32, and the two sets of second clamping parts 371 are fixedly connected by four sets of mounting screws 375 and mounting nuts 376, so that the two sets of second clamping parts 371 are fixed to the outside of the main cable 32.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined bridge steel structure, comprising a bridge body (10) as a mounting carrier, characterized in that: An arched support beam (20) is arranged below the bridge body (10), and support vertical rods (30) are symmetrically installed at the middle positions on both sides of the bridge body (10). Four groups of connecting rods (11) are symmetrically installed on both sides of the bottom ends of the bridge body (10), and the bottom ends of the connecting rods (11) are fixedly connected to the top of the arched support beam (20). A first fixing column (12) is installed on the outer side of the connecting rod (11). Support steel plates (21) are symmetrically installed at both ends of the arched support beam (20), and the top ends of the support steel plates (21) are fixedly connected to the bottom of the bridge body (10) through locking assemblies (29). Four groups of reinforcing rods (22) are symmetrically arranged at the ends of the two groups of support steel plates (21) that are away from each other, and a plurality of groups of barbed rods (23) are evenly installed on the outer sides of the reinforcing rods (22). The reinforcing rods (22) extend to the support steel plates at one end close to the arched support beam (20). The inner side of the support beam (21) is threadedly provided with a fixing nut (24), four groups of fixing rods (25) are symmetrically installed at both ends of the top of the arched support beam (20), and the fixing rods (25) are fixedly connected to the reinforcing rods (22) through the first connecting assembly (26), the top end of the outer side of the support vertical rod (30) is sleeved with a fixing ring (31), and the outer side of the fixing ring (31) is symmetrically provided with a main cable (32), the bottom end of the main cable (32) is fixedly connected to the inner side of the support steel plate (21) through a fixing embedded part (33), and the outer side of the main cable (32) is provided with three groups of second connecting assemblies (37) that cooperate with the first fixing column (12), the top end of the outer side of the support vertical rod (30) is threadedly provided with a lifting nut (34), and the lifting nut (34) is located below the fixing ring (31), and the top end of the support vertical rod (30) is provided with an anti-slip assembly that is compatible with the fixing ring (31).

2. The combined steel bridge structure according to claim 1, characterized in that: The first connecting component (26) comprises two groups of first clamping members (261) hinged to each other on the same side, two groups of through holes (262) are symmetrically provided on the outer sides of the two groups of the first clamping members (261), and first threaded columns (263) adapted to the through holes (262) are symmetrically installed on the outer sides of the reinforcing rod (22) and the fixed rod (25) at one end close to the first clamping member (261), and the outer sides of the four groups of the first threaded columns (263) pass through the through holes (262) and are threadedly installed with reinforcing nuts (264).

3. The combined steel bridge structure according to claim 1, characterized in that: The second connecting assembly (37) comprises two groups of second hoop members (371) of identical shapes, a second fixing column (372) being installed at the middle position of the outer side of one group of the second hoop members (371), the two groups of the second hoop members (371) being fixedly connected by means of mounting screws (375) and mounting nuts (376), the main cable (32) passing through the groove in the middle of the two groups of the second hoop members (371), a limiting rod (373) being arranged on the outer side of the second hoop member (371), and connecting rings (374) matching the first fixing column (12) and the second fixing column (372) being symmetrically installed at both ends of the limiting rod (373).

4. The combined steel bridge structure according to claim 1, characterized in that: The locking assembly (29) includes a second threaded column (291), the second threaded column (291) is arranged in two rows, and the two rows of second threaded columns (291) are distributed at both ends of the bottom of the bridge body (10), and the bottom end of the second threaded column (291) passes through the top of the supporting steel plate (21) and is threadedly provided with a locking nut (292).

5. The combined steel bridge structure according to claim 1, characterized in that: The anti-slip assembly comprises a fixing seat (35), the fixing seat (35) is in a U-shaped structure, and the fixing seat (35) is located at the top end of the supporting vertical rod (30), and anti-slip bolts (36) are symmetrically threadedly arranged on both sides of the fixing seat (35), and the fixing ring (31) is fixedly connected to the fixing seat (35) via the anti-slip bolts (36).

6. The combined steel bridge structure according to claim 1, characterized in that: Two groups of auxiliary cables (15) are symmetrically installed on the outer side of the supporting vertical rod (30), and the bottom ends of the four groups of auxiliary cables (15) are fixedly connected to the middle position of one side of the bridge body (10) through the first embedded part.

7. The combined steel bridge structure according to claim 1, characterized in that: Side rails (14) are symmetrically installed on both sides of the top of the bridge body (10), and the bottom ends of the side rails (14) are fixedly connected to the top of the bridge body (10) via second embedded parts.

8. The combined steel bridge structure according to claim 1, characterized in that: Base plates (27) are symmetrically installed at both ends of the bottom of the arched support beam (20), and an oblique support rod (28) is installed at the top end of the base plate (27) away from the support steel plate (21), and the top end of the oblique support rod (28) is fixedly connected to the outer side of the support steel plate (21).

9. The combined steel bridge structure according to claim 1, characterized in that: A support pad (13) is provided at a middle position of the bottom of the bridge body (10), and the bottom of the support pad (13) is fixedly connected to a middle position of the top of the arched support beam (20).

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