Novel Bailey truss temporary steel bridge

Abstract

The utility model relates to the technical field of bridge design, and discloses a novel Bailey truss temporary steel bridge which comprises a concrete base, the top of the concrete base is fixedly connected with a first vertical rod, the outer wall of the first vertical rod is fixedly connected with a first horizontal rod, and the outer wall of the first horizontal rod is provided with a first connecting plate. A first connecting frame is installed on the inner wall of the first connecting plate, the outer wall of the first connecting frame is installed on the outer wall of a first vertical rod, a first cross beam is installed at the top of the first vertical rod, and a second cross beam is installed at the top of the first vertical rod. According to the utility model, the lifebuoy can be conveniently taken out by opening the buckle, timely rescue of the lifebuoy for people falling into water is facilitated, the connection of the connector and the straight connector enables the turnover guardrail to be installed on the stand column, and the distances between the upper end and the lower end of the turnover guardrail and the connector are different; the height of the guardrail can be changed according to the turnover of the turnover guardrail, so that the height of the guardrail can be adjusted when a working vehicle works and a bridge floor runs normally.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge design, in particular to a novel Bailey truss steel temporary bridge. Background Art

[0002] A truss steel temporary bridge is a structural system between a beam and an arch. It is a structure that is composed of a bending upper beam structure and a pressure-bearing lower column as a whole. Compared with traditional concrete bridges, truss bridges have simpler structural designs, faster component manufacturing speeds, easy bridge installation, and trusses that can adapt to a wider span range, so they are widely used in engineering.

[0003] After searching, a small-scale maglev microrail tram Bailey truss bridge is disclosed in the announcement number: CN214459532U, including several groups of Bailey beams, Bailey columns, and reinforced concrete foundation caps. The lower ends of the Bailey columns are fixed to the reinforced concrete foundation caps, and the upper ends support the single-line Bailey beams. The several groups of Bailey beams are connected to form a continuous door-shaped frame. The upper ends of the Bailey truss beams are provided with F rails, and the F rails are fixed to the upper ends of the Bailey truss beams through rail fasteners. The beneficial effects of the utility model are: the Bailey truss bridge has the advantages of simple structure, convenient transportation, quick erection, large load capacity, good interchangeability, strong adaptability, etc.

[0004] The above application only designed the foundation, steel frame and track, lacking any safety protection features, posing a great risk of falling into the water. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a new type of Bailey truss steel temporary bridge, which aims to improve the problem that only the foundation, steel frame and track are designed, there is a lack of safety protection settings, and there is a great risk of falling into the water.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new type of Bailey truss steel temporary bridge, comprising a concrete base, a first vertical rod fixedly connected to the top of the concrete base, a first horizontal rod fixedly connected to the outer wall of the first vertical rod, a first connecting plate installed on the outer wall of the first horizontal rod, a first connecting frame installed on the inner wall of the first connecting plate, an outer wall of the first connecting frame installed on the outer wall of the first vertical rod, a first cross beam installed on the top of the first vertical rod, a second horizontal rod installed on the top of the first cross beam and the second cross beam, a second vertical rod fixedly connected to the outer wall of the second horizontal rod, a second connecting plate installed on the outer wall of the second vertical rod, a second connecting frame installed on the inner wall of the second connecting plate, and an outer wall of the second connecting frame installed on the outer wall of the second horizontal rod.

[0007] Preferably, a bridge deck is installed on the top of the second horizontal rod, and pedestrian boards are fixedly connected to both sides of the bridge deck.

[0008] Preferably, the top of the pedestrian board is fixedly connected with a column, both sides of the outer wall of the column are fixedly connected with a direct joint, the inner wall of the direct joint is installed with a connecting head, and the outer wall of the connecting head is fixedly connected with a flip guardrail.

[0009] Preferably, a buckle is fixedly connected to the outer wall of the column, and a life buoy is installed on the inner wall of the buckle.

[0010] Preferably, a connecting steel plate is installed on the outer wall of the concrete base, the top of the connecting steel plate is threadedly connected to a mounting bolt, the outer wall of the mounting bolt is threadedly connected to a mounting plate, the outer wall of the mounting plate is fixedly connected to a climbing frame, and the outer wall of the climbing frame is fixedly connected to a ladder.

[0011] Preferably, the top of the connecting steel plate is fixedly connected to a support column, the top of the support column is fixedly connected to a steel plate platform, and the inner wall of the steel plate platform is installed on the outer wall of the climbing frame.

[0012] Preferably, the inner wall of the first vertical rod is threadedly connected with a first fixing bolt, the outer wall of the first fixing bolt is threadedly connected to the inner wall of the first connecting frame, the inner wall of the second horizontal rod is threadedly connected with a second fixing bolt, the outer wall of the second fixing bolt is threadedly connected to the inner wall of the second connecting frame, and the inner walls of the first cross beam and the second cross beam are threadedly connected with cross beam bolts.

[0013] Preferably, an intermediate clamp is installed on the inner wall of the bridge deck, a clamp block is installed on the bottom of the intermediate clamp, and an outer wall of the clamp block is installed on the outer wall of the second horizontal rod.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, it is convenient to take out the lifebuoy by opening the buckle, which is conducive to timely rescue of the lifebuoy for people who fall into the water. The connection between the connecting head and the direct head enables the flip guardrail to be installed on the column. The upper and lower ends of the flip guardrail are at different distances from the connecting head. The height of the guardrail can be changed according to the flipping of the flip guardrail. The height of the guardrail can be adjusted when the working vehicle is working and the bridge deck is operating normally.

[0016] 2. In the utility model, the outer wall of the first fixing bolt is threadedly connected to the inner wall of the first connecting frame, the outer wall of the second fixing bolt is threadedly connected to the inner wall of the second connecting frame, and the first beam and the inner wall of the second beam are threadedly connected with beam bolts. The first fixing bolt, the second fixing bolt and the beam bolt are used to facilitate the installation, disassembly and maintenance of the device pole frame.

[0017] 3. In the utility model, a connecting steel plate is installed outside the concrete base, and the climbing frame is fixed on the connecting steel plate by means of mounting bolts and mounting plates. A ladder is fixed between the climbing frames, which is convenient for the staff to inspect and maintain the bridge deck. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a new type of Bailey truss steel temporary bridge proposed by the utility model;

[0019] Figure 2 A three-dimensional diagram of the connecting steel plates of a new type of Bailey truss steel temporary bridge proposed in the utility model;

[0020] Figure 3 for Figure 1 A is an enlarged view of the middle image.

[0021] Legend:

[0022] 1. Concrete base; 2. Connecting steel plate; 3. Mounting bolts; 4. Mounting plate; 5. Ladder; 6. Climbing frame; 7. Support column; 8. Steel plate platform; 9. First crossbeam; 10. Second horizontal rod; 11. Crossbeam bolts; 12. Second vertical rod; 13. Second crossbeam; 14. Second connecting frame; 15. Second connecting plate; 16. Bridge deck; 17. Pedestrian board; 18. Intermediate clamp; 19. First fixing bolt; 20. First connecting frame; 21. First vertical rod; 22. First horizontal rod; 23. First connecting plate; 24. Clamp; 25. Second fixing bolt; 26. Lifebuoy; 27. Buckle; 28. Direct joint; 29. ​​Flip guardrail; 30. Column; 31. Connector. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the specification 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.

[0024] Reference Figure 1-Figure 3The utility model provides an embodiment: the new Bailey truss steel temporary bridge of this embodiment includes a concrete base 1, the top of the concrete base 1 is fixedly connected with a first vertical rod 21, the outer wall of the first vertical rod 21 is fixedly connected with a first horizontal rod 22, the outer wall of the first horizontal rod 22 is installed with a first connecting plate 23, the inner wall of the first connecting plate 23 is installed with a first connecting frame 20, the outer wall of the first connecting frame 20 is installed on the outer wall of the first vertical rod 21, the top of the first vertical rod 21 is installed with a first cross beam 9, the top of the first vertical rod 21 is installed with a second cross beam 13, the top of the first cross beam 9 and the second cross beam 13 are installed with a second horizontal rod 10, the outer wall of the second horizontal rod 10 is fixedly connected with a second vertical rod 12, the outer wall of the second vertical rod 12 is installed with a second connecting plate 15, the inner wall of the second connecting plate 15 is installed with a second connecting frame 14, and the outer wall of the second connecting frame 14 is installed on the outer wall of the second horizontal rod 10.

[0025] First, lay a concrete foundation 1 as a foundation support, install the first vertical rod 21 and the first horizontal rod 22 upward, insert the first connecting frame 20 between the first vertical rod 21 and the first horizontal rod 22, and install the first connecting frame 20 on the first vertical rod 21 through the first connecting plate 23. Then, lift the second horizontal rod 10 and the second vertical rod 12 by installing the first cross beam 9 and the second cross beam 13. At the same time, insert the second connecting frame 14 between the second horizontal rod 10 and the second vertical rod 12, and install it outside the second vertical rod 12 through the second connecting plate 15 to build a bridge frame.

[0026] A bridge deck 16 is installed on the top of the second horizontal rod 10, and a pedestrian board 17 is fixedly connected to both sides of the bridge deck 16. A column 30 is fixedly connected to the top of the pedestrian board 17, and a direct joint 28 is fixedly connected to both sides of the outer wall of the column 30. A connecting head 31 is installed on the inner wall of the direct joint 28, and a flip guardrail 29 is fixedly connected to the outer wall of the connecting head 31.

[0027] A bridge deck 16 is installed on the top of the second horizontal rod 10, and pedestrian boards 17 are fixed on both sides of the bridge deck 16 for pedestrians on both sides of the middle vehicle. A column 30 is set on the pedestrian board 17, and a flip guardrail 29 is installed on the column 30 through the connection between the connecting head 31 and the direct head 28. The upper and lower ends of the flip guardrail 29 are at different distances from the connecting head 31. The height of the guardrail can be changed according to the flipping of the flip guardrail 29 to adjust the height of the guardrail when the work vehicle is working and when the bridge deck is operating normally.

[0028] A buckle 27 is fixedly connected to the outer wall of the column 30 , and a life buoy 26 is installed on the inner wall of the buckle 27 .

[0029] The buckle 27 fixed on the column 30 is used to support and store the lifebuoy 26. Opening the buckle 27 makes it easy to take out the lifebuoy 26, which is conducive to timely rescue of the lifebuoy 26 of the person who falls into the water.

[0030] The outer wall of the concrete base 1 is installed with a connecting steel plate 2, the top of the connecting steel plate 2 is threadedly connected with a mounting bolt 3, the outer wall of the mounting bolt 3 is threadedly connected with a mounting plate 4, the outer wall of the mounting plate 4 is fixedly connected with a climbing frame 6, and the outer wall of the climbing frame 6 is fixedly connected with a ladder 5.

[0031] A connecting steel plate 2 is installed outside the concrete base 1, and a climbing frame 6 is fixed on the connecting steel plate 2 by means of mounting bolts 3 and mounting plates 4. A ladder 5 is fixed between the climbing frames 6, which is convenient for workers to inspect and maintain the bridge deck.

[0032] A support column 7 is fixedly connected to the top of the connecting steel plate 2 , a steel plate platform 8 is fixedly connected to the top of the support column 7 , and the inner wall of the steel plate platform 8 is installed on the outer wall of the climbing frame 6 .

[0033] Support columns 7 are provided to support a steel plate platform 8, and the steel plate platform 8 is installed on the outer wall of the climbing frame 6. The design of the steel plate platform 8 expands the moving surface of the staff, making it convenient for the staff to inspect and support the area under the bridge.

[0034] The inner wall of the first vertical rod 21 is threadedly connected with the first fixing bolt 19, the outer wall of the first fixing bolt 19 is threadedly connected to the inner wall of the first connecting frame 20, the inner wall of the second horizontal rod 10 is threadedly connected with the second fixing bolt 25, the outer wall of the second fixing bolt 25 is threadedly connected to the inner wall of the second connecting frame 14, and the inner walls of the first cross beam 9 and the second cross beam 13 are threadedly connected with the cross beam bolts 11.

[0035] The outer wall of the first fixing bolt 19 is threadedly connected to the inner wall of the first connecting frame 20, and the outer wall of the second fixing bolt 25 is threadedly connected to the inner wall of the second connecting frame 14, and the inner walls of the first beam 9 and the second beam 13 are threadedly connected with the beam bolt 11. The first fixing bolt 19, the second fixing bolt and the beam bolt 11 are used to facilitate the installation, disassembly and maintenance of the device pole frame.

[0036] An intermediate clamp 18 is installed on the inner wall of the bridge deck 16 , a clamp block 24 is installed on the bottom of the intermediate clamp 18 , and an outer wall of the clamp block 24 is installed on the outer wall of the second horizontal rod 10 .

[0037] A clamping block 24 is installed at the bottom of the middle clamp 18 . When the middle clamp 18 is used, a threaded rod is screwed into the middle of the middle clamp 18 , and the threaded rod drives the clamping block to clamp the second horizontal rod 10 .

[0038] Working principle: first lay a concrete base 1 as a base support, install the first vertical rod 21 and the first horizontal rod 22 upward, insert the first connecting frame 20 between the first vertical rod 21 and the first horizontal rod 22, the first connecting frame 20 is installed on the first vertical rod 21 through the first connecting plate 23, install the connecting steel plate 2 outside the concrete base 1, fix the climbing frame 6 on the connecting steel plate 2 by installing bolts 3 and the mounting plate 4, fix the climbing frame 6 between the climbing frames 6, and then jack up the second horizontal rod 10 and the second vertical rod 12 by installing the first crossbeam 9 and the second crossbeam 13, and at the same time, the second horizontal rod 10 and the second A second connecting frame 14 is inserted between the vertical rods 12 and is installed outside the second vertical rod 12 through a second connecting plate 15 to form a bridge frame. A bridge panel 16 is installed on the top of the second horizontal rod 10. An intermediate clamp 18 is installed on the inner wall of the bridge panel 16, and a threaded rod is screwed into the inner wall. The threaded rod drives the clamp to clamp the second horizontal rod 10. Pedestrian boards 17 are fixed on both sides of the bridge panel 16 for pedestrians on both sides of the middle traffic. A column 30 is set on the pedestrian board 17. Through the connection between the connecting head 31 and the direct head 28, a flip guardrail 29 is installed on the column 30, and the upper and lower ends of the flip guardrail 29 are at different distances from the connecting head 31.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel Bailey truss steel temporary bridge, comprising a concrete base (1), characterized in that: A first vertical rod (21) is fixedly connected to the top of the concrete base (1); a first horizontal rod (22) is fixedly connected to the outer wall of the first vertical rod (21); a first connecting plate (23) is installed on the outer wall of the first horizontal rod (22); a first connecting frame (20) is installed on the inner wall of the first connecting plate (23); the outer wall of the first connecting frame (20) is installed on the outer wall of the first vertical rod (21); a first crossbeam (9) is installed on the top of the first vertical rod (21); a second crossbeam (13) is installed on the top of the first vertical rod (21); a second horizontal rod (10) is installed on the top of the first crossbeam (9) and the second crossbeam (13); a second vertical rod (12) is fixedly connected to the outer wall of the second horizontal rod (10); a second connecting plate (15) is installed on the outer wall of the second vertical rod (12); a second connecting frame (14) is installed on the inner wall of the second connecting plate (15); and the outer wall of the second connecting frame (14) is installed on the outer wall of the second horizontal rod (10).

2. The novel Bailey truss steel temporary bridge according to claim 1 is characterized in that: A bridge deck (16) is installed on the top of the second horizontal rod (10), and pedestrian boards (17) are fixedly connected to both sides of the bridge deck (16).

3. The novel Bailey truss steel temporary bridge according to claim 2 is characterized in that: The top of the pedestrian board (17) is fixedly connected to a column (30), the outer walls of the column (30) are fixedly connected to direct joints (28) on both sides, the inner wall of the direct joint (28) is installed with a connecting head (31), and the outer wall of the connecting head (31) is fixedly connected to a flip guardrail (29).

4. The novel Bailey truss steel temporary bridge according to claim 3 is characterized by: A buckle (27) is fixedly connected to the outer wall of the column (30), and a life buoy (26) is installed on the inner wall of the buckle (27).

5. The novel Bailey truss steel temporary bridge according to claim 1 is characterized in that: The outer wall of the concrete base (1) is installed with a connecting steel plate (2), the top of the connecting steel plate (2) is threadedly connected to a mounting bolt (3), the outer wall of the mounting bolt (3) is threadedly connected to a mounting plate (4), the outer wall of the mounting plate (4) is fixedly connected to a climbing frame (6), and the outer wall of the climbing frame (6) is fixedly connected to a ladder (5).

6. The novel Bailey truss steel temporary bridge according to claim 5 is characterized by: The top of the connecting steel plate (2) is fixedly connected to a support column (7), the top of the support column (7) is fixedly connected to a steel plate platform (8), and the inner wall of the steel plate platform (8) is mounted on the outer wall of the climbing frame (6).

7. The novel Bailey truss steel temporary bridge according to claim 1 is characterized by: The inner wall of the first vertical rod (21) is threadedly connected to a first fixing bolt (19), the outer wall of the first fixing bolt (19) is threadedly connected to the inner wall of the first connecting frame (20), the inner wall of the second horizontal rod (10) is threadedly connected to a second fixing bolt (25), the outer wall of the second fixing bolt (25) is threadedly connected to the inner wall of the second connecting frame (14), and the inner walls of the first cross beam (9) and the second cross beam (13) are threadedly connected to cross beam bolts (11).

8. The novel Bailey truss steel temporary bridge according to claim 2 is characterized by: An intermediate clamp (18) is installed on the inner wall of the bridge deck (16), a clamp block (24) is installed on the bottom of the intermediate clamp (18), and an outer wall of the clamp block (24) is installed on the outer wall of the second horizontal rod (10).

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