Sliding pushing support for steel truss bridge
By connecting adjacent columns together to form an integral frame, and using structural elements such as longitudinal horizontal connection beams and longitudinal lower oblique braces, the problem of poor stability in traditional brackets at positions with greater stress is solved, and higher overall stability and bearing capacity are achieved.
Patent Information
- Application Number
- CN202421941372.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The traditional steel truss bridge sliding over-push construction bracket is difficult to ensure overall stability in a position with high stress, which affects construction efficiency.
A steel truss bridge sliding top push bracket is adopted to form an integral frame by connecting adjacent columns together, increasing the overall bearing capacity of the bracket, and improving the stability of the bracket by connecting structural elements such as beams and longitudinal lower oblique braces in a longitudinal horizontal manner.
The overall stability and bearing capacity of the bracket are improved, so that the bracket has better integrity and stability, and can obtain higher bearing capacity under smaller cross-sections, which improves construction efficiency.
Smart Images
Figure CN222948848U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of temporary supports for bridge construction, in particular to a sliding and pushing support for a steel truss bridge. Background Art
[0002] Steel truss bridges are often used in railway lines. They usually cross important sections such as expressways and provincial roads. Roads cannot be closed during construction, so sliding and pushing construction methods are often used. Traditional pushing construction supports generally use columns arranged at intervals, and slide rails and pedestrian boards are laid on the upper side of the columns to enable the steel truss bridge to be pushed. However, in locations with greater stress, such as between two columns, auxiliary supports need to be installed based on actual stress analysis, which affects the overall layout efficiency of the support. Utility Model Content
[0003] In view of the defects or shortcomings of the prior art, the purpose of the utility model is to provide a steel truss bridge sliding jacking bracket to improve the stability of the bracket support.
[0004] The present application discloses a steel truss bridge sliding push support, which adopts the following technical solution:
[0005] A steel truss bridge sliding and pushing support, comprising a first frame body, a second frame body and a connecting assembly connecting the first frame body and the second frame body together;
[0006] The first frame includes a plurality of first columns, a first longitudinal horizontal connecting beam disposed between two adjacent first columns, and a first guide rail fixedly connected to the upper ends of the plurality of first columns; both ends of the first longitudinal horizontal connecting beam are fixedly connected to two adjacent first columns; the first guide rail is arranged horizontally;
[0007] The second frame includes a plurality of second columns, a second longitudinal horizontal connecting beam disposed between two adjacent second columns, and a second guide rail fixedly connected to the upper ends of the plurality of second columns; both ends of the second longitudinal horizontal connecting beam are fixedly connected to two adjacent second columns; and the second guide rail is arranged horizontally;
[0008] The first guide rail and the second guide rail are arranged at the same height;
[0009] The connection assembly includes a lower transverse connecting rod and an upper transverse connecting rod connecting the first column and the second column together.
[0010] By adopting the above technical solution, adjacent columns are connected together to form an integral frame. The adjacent columns work together to support, thereby increasing the overall bearing capacity of the bracket. Moreover, the pressure between two adjacent columns can be directly transferred to the adjacent columns, thereby making the bracket have better integrity and stability; the stable bearing capacity of the columns is increased, and a higher bearing capacity can be obtained by adopting a smaller cross-section.
[0011] Preferably, a first longitudinal lower diagonal brace is fixedly connected between the two first columns, and the first longitudinal lower diagonal brace is obliquely arranged between the two first columns; a second longitudinal lower diagonal brace is fixedly connected between the two second columns, and the second longitudinal lower diagonal brace is obliquely arranged between the two second columns.
[0012] By adopting the above technical solution, the first longitudinal lower diagonal brace and the second longitudinal lower diagonal brace respectively increase the connection strength between the two adjacent first columns and the two second columns, making the connection between the two adjacent first columns and the two second columns more stable, thereby improving the bearing capacity of the bracket.
[0013] Preferably, two adjacent first longitudinal lower diagonal braces have different inclination directions and are connected at the same height of the same first column; and two adjacent second longitudinal lower diagonal braces have different inclination directions and are connected at the same height of the same second column.
[0014] By adopting the above technical solution, two adjacent first longitudinal lower diagonal braces can be connected together at an angle, and the bearing capacity can be connected together, thereby jointly improving the bearing capacity of the bracket. Two adjacent second longitudinal lower diagonal braces can be connected together at an angle, and the bearing capacity can be connected together, thereby jointly improving the bearing capacity of the bracket.
[0015] Preferably, a first longitudinal upper diagonal brace for supporting the first guide rail is fixedly connected between two adjacent first columns, the two first longitudinal upper diagonal braces are arranged obliquely, and one end of the two first longitudinal upper diagonal braces is respectively fixedly connected to the two adjacent first columns, and the other end is fixedly connected to the lower side of the first guide rail;
[0016] A second longitudinal upper diagonal brace for supporting the second guide rail is fixedly connected between two adjacent second columns. The two second longitudinal upper diagonal braces are arranged obliquely, and one end of the two second longitudinal upper diagonal braces is respectively fixedly connected to the two adjacent second columns, and the other end is fixedly connected to the lower side of the second guide rail.
[0017] By adopting the above technical solution, the first longitudinal upper diagonal brace and the second longitudinal upper diagonal brace support the first guide rail and the second guide rail, thereby increasing the stability of the arrangement of the first guide rail and the second guide rail.
[0018] Preferably, the connection assembly further comprises a transverse diagonal brace arranged between the transverse lower connecting rod and the transverse upper connecting rod; ends of the transverse diagonal brace are respectively fixedly connected to the first column and the second column.
[0019] By adopting the above technical solution, the transverse diagonal brace increases the connection strength between the first column and the second column, thereby increasing the bearing capacity of the bracket.
[0020] Preferably, the connection assembly further comprises a transverse connecting beam fixedly connected to the upper sides of the first column and the second column.
[0021] By adopting the above technical solution, the connection strength between the first column and the second column is further increased.
[0022] Preferably, the upper end of the first column is vertically fixedly connected with a first walkway cantilever beam, the first walkway cantilever beam is arranged outside the bracket, and the first walkway cantilever beam is arranged on the lower side of the first guide rail; the first walkway board is fixedly connected to the first walkway cantilever beam, the first walkway board is horizontally arranged, and the first walkway board is fixedly connected to the first walkway cantilever beams on the plurality of first columns;
[0023] The upper end of the second column is vertically fixedly connected to a second aisle cantilever beam, the second aisle cantilever beam is arranged on the outside of the bracket, and the second aisle cantilever beam is arranged on the lower side of the second guide rail; a second aisle board is fixedly connected to the second aisle cantilever beam, the second aisle board is horizontally arranged, and the second walkway board is fixedly connected to the second aisle cantilever beams on multiple second columns.
[0024] By adopting the above technical solution, walkway boards are set to facilitate pedestrians walking on both sides of the guide rails.
[0025] Preferably, a third walkway board and a fourth walkway board are fixedly connected at both ends of the transverse connecting beam, the third walkway board and the first walkway board are arranged at the same height and on both sides of the first column, and the fourth walkway board and the second walkway board are arranged at the same height and on both sides of the second column.
[0026] By adopting the above technical solution, the range of the walkway board is increased, so that pedestrians have a larger walking range on the bracket.
[0027] Preferably, the first guardrail is fixedly connected to the first walkway board; the second guardrail is fixedly connected to the second walkway board; the third guardrail and the fourth guardrail are respectively fixedly connected to the third walkway board and the fourth walkway board, the third guardrail and the first guardrail protect the third walkway board and the first walkway board on both sides of the first guide rail, and the fourth guardrail and the second guardrail protect the fourth walkway board and the second walkway board on both sides of the second guide rail.
[0028] By adopting the above technical solution, the guardrail improves the safety factor of the bracket.
[0029] The beneficial effects of the utility model are as follows: compared with the traditional independent columns, the push bracket has better integrity and stability; the stable bearing capacity of the column is increased, and a higher bearing capacity can be obtained by adopting a smaller cross-section. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0031] Figure 1 is a schematic diagram of the bracket in this embodiment;
[0032] Figure 2 is a schematic diagram of the longitudinal direction of the first frame in this embodiment;
[0033] Figure 3 is a horizontal schematic diagram of the first frame in this embodiment;
[0034] Figure 4 FIG. 4 is a schematic diagram of the longitudinal direction of the second frame in this embodiment.
[0035] Explanation of the reference numerals: 1. first frame; 11. first column; 12. first longitudinal horizontal connecting beam; 13. first longitudinal lower diagonal brace; 14. first guide rail; 15. first longitudinal upper diagonal brace; 16. first walkway cantilever beam; 17. first walkway board; 18. first guardrail; 2. second frame; 21. second column; 22. second longitudinal horizontal connecting beam; 23. second longitudinal lower diagonal brace; 24. second guide rail; 25. second longitudinal upper diagonal brace; 26. second walkway cantilever beam; 27. second walkway board; 28. second guardrail; 3. connecting assembly; 31. transverse lower connecting rod; 32. transverse upper connecting rod; 33. transverse diagonal brace; 34. transverse connecting beam; 35. third walkway board; 36. fourth walkway board; 37. third guardrail; 38. fourth guardrail. DETAILED DESCRIPTION
[0036] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the relevant utility model are shown in the accompanying drawings.
[0037] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0038] The utility model provides a steel truss bridge sliding push bracket, referring to Figure 1The steel truss bridge sliding and pushing support comprises a first frame body 1, a second frame body 2 and a connecting assembly 3 connecting the first frame body 1 and the second frame body 2 together.
[0039] Reference Figure 2 , Figure 3 The first frame 1 includes a plurality of first columns 11, which are made of metal and are arranged at equal intervals. A first longitudinal horizontal connecting beam 12 is fixedly connected between two adjacent first columns 11, and a plurality of first longitudinal horizontal connecting beams 12 are provided, and the plurality of first longitudinal horizontal connecting beams 12 connect two adjacent first columns 11 together. In this embodiment, three first longitudinal horizontal connecting beams 12 are provided between two adjacent first columns 11.
[0040] A first longitudinal lower diagonal brace 13 is also fixedly connected between the two first columns 11 . The first longitudinal lower diagonal brace 13 is arranged obliquely between the two first columns 11 . Two adjacent first longitudinal lower diagonal braces 13 have different inclination directions and are connected at the same height of the same first column 11 .
[0041] The first frame 1 also includes a first guide rail 14 fixedly connected to the plurality of first columns 11. The first guide rail 14 is arranged horizontally and fixedly connected to the top ends of the plurality of first columns 11. A first longitudinal upper diagonal brace 15 for supporting the first guide rail 14 is fixedly connected between two adjacent first columns 11. The two first longitudinal upper diagonal braces 15 are arranged obliquely, and one end of the two first longitudinal upper diagonal braces 15 is fixedly connected to the two adjacent first columns 11 respectively, and the other end is fixedly connected to the lower side of the first guide rail 14 to support the first guide rail 14.
[0042] A first walkway cantilever beam 16 is vertically fixedly connected to the upper end of the first column 11, and the first walkway cantilever beam 16 is arranged outside the bracket, and the first walkway cantilever beam 16 is arranged on the lower side of the first guide rail 14. A first walkway board 17 is fixedly connected to the first walkway cantilever beam 16, and the first walkway board 17 is horizontally arranged and fixedly connected to the first walkway cantilever beams 16 on the first columns 11. In order to improve the safety factor, a first guardrail 18 is fixedly connected to the first walkway board 17.
[0043] Reference Figure 3 , Figure 4 The second frame 2 includes a plurality of second columns 21, which are made of metal material and are arranged at equal intervals. A longitudinal second horizontal connecting beam is fixedly connected between two adjacent second columns 21, and a plurality of second longitudinal horizontal connecting beams 22 are provided, and the plurality of second longitudinal horizontal connecting beams 22 connect two adjacent second columns 21 together. In this embodiment, three second longitudinal horizontal connecting beams 22 are provided between two adjacent second columns 21.
[0044] A second longitudinal lower diagonal brace 23 is also fixedly connected between the two second columns 21 . The second longitudinal lower diagonal brace 23 is arranged obliquely between the two second columns 21 . Two adjacent second longitudinal lower diagonal braces 23 have different inclination directions and are connected at the same height of the same second column 21 .
[0045] The second frame 2 also includes a second guide rail 24 fixedly connected to the plurality of second columns 21. The second guide rail 24 is arranged horizontally and fixedly connected to the top ends of the plurality of second columns 21. A second longitudinal upper diagonal brace 25 for supporting the second guide rail 24 is fixedly connected between two adjacent second columns 21. The two second longitudinal upper diagonal braces 25 are arranged obliquely, and one end of the two second longitudinal upper diagonal braces 25 is fixedly connected to the two adjacent second columns 21, respectively, and the other end is fixedly connected to the lower side of the second guide rail 24 to support the second guide rail 24.
[0046] A second walkway cantilever beam 26 is vertically fixedly connected to the upper end of the second column 21, and the second walkway cantilever beam 26 is arranged outside the bracket, and the second walkway cantilever beam 26 is arranged on the lower side of the second guide rail 24. A second walkway plate 27 is fixedly connected to the second walkway cantilever beam 26, and the second walkway plate 27 is horizontally arranged and fixedly connected to the second walkway cantilever beams 26 on the second columns 21. In order to improve the safety factor, a second guardrail 28 is fixedly connected to the second walkway plate 27.
[0047] The first guide rail 14 and the second guide rail 24 are arranged at the same height, and the first walkway cantilever beam 16 and the second walkway cantilever beam 26 are arranged at the same height.
[0048] The connecting assembly 3 includes a lower transverse connecting rod 31, an upper transverse connecting rod 32, and a transverse diagonal brace 33 arranged between the lower transverse connecting rod 31 and the upper transverse connecting rod 32, which connect the first column 11 and the second column 21. The ends of the lower transverse connecting rod 31, the upper transverse connecting rod 32, and the transverse diagonal brace 33 are respectively fixedly connected to the first column 11 and the second column 21, so as to fix the first column 11 and the second column 21 together. The lower transverse connecting rod 31 is arranged on the lower side of the upper transverse connecting rod 32.
[0049] Reference Figure 3 The connection assembly 3 also includes a transverse connecting beam 34 fixedly connected to the upper sides of the first column 11 and the second column 21. The transverse connecting beam 34 is arranged at the same height as the first aisle cantilever beam 16 and the second aisle cantilever beam 26.
[0050] The third walkway board 35 and the fourth walkway board 36 are fixedly connected at both ends of the transverse connecting beam 34, respectively. The third walkway board 35 and the first walkway board 17 are arranged at the same height and are arranged on both sides of the first column 11, and the fourth walkway board 36 and the second walkway board 27 are arranged at the same height and are arranged on both sides of the second column 21. The third guardrail 37 and the fourth guardrail 38 are fixedly connected to the third walkway board 35 and the fourth walkway board 36, respectively. The third guardrail 37 and the first guardrail 18 protect the third walkway board 35 and the first walkway board 17 on both sides of the first guide rail 14, and the fourth guardrail 38 and the second guardrail 28 protect the fourth walkway board 36 and the second walkway board 27 on both sides of the second guide rail 24.
[0051] The use principle of a steel structure truss sliding push bracket disclosed in an embodiment of the present application is as follows: by connecting the adjacent first columns 11 and the adjacent second columns 21, the first frame 1 and the second frame 2 have a greater supporting force. For example, when the first guide rail 14 of the adjacent first column 11 is under pressure, the pressure will be transmitted to the first column 11 through the first longitudinal lower diagonal brace 13, the longitudinal first horizontal connecting beam, and the first longitudinal upper diagonal brace 15, thereby increasing the bearing capacity of the first frame 1 and improving the overall stability of the bracket.
[0052] Compared with traditional independent columns, this jacking bracket has better integrity and stability; it increases the stable bearing capacity of the column and can obtain higher bearing capacity by adopting a smaller cross-section.
[0053] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus / device.
[0054] So far, the technical solution of the utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the utility model.
Claims
1. A steel truss bridge sliding push support, characterized in that: It comprises a first frame (1), a second frame (2), and a connecting assembly (3) for connecting the first frame (1) and the second frame (2); The first frame (1) comprises a plurality of first columns (11), a first longitudinal horizontal connecting beam (12) arranged between two adjacent first columns (11), and a first guide rail (14) fixedly connected to the upper ends of the plurality of first columns (11); both ends of the first longitudinal horizontal connecting beam (12) are fixedly connected to the two adjacent first columns (11); the first guide rail (14) is arranged horizontally; The second frame (2) comprises a plurality of second columns (21), a second longitudinal horizontal connecting beam (22) arranged between two adjacent second columns (21), and a second guide rail (24) fixedly connected to the upper ends of the plurality of second columns (21); both ends of the second longitudinal horizontal connecting beam (22) are fixedly connected to two adjacent second columns (21); the second guide rail (24) is arranged horizontally; The first guide rail (14) and the second guide rail (24) are arranged at the same height; The connection assembly (3) comprises a lower transverse connecting rod (31) and an upper transverse connecting rod (32) for connecting the first column (11) and the second column (21) together.
2. The steel truss bridge sliding and pushing support according to claim 1, characterized in that: A first longitudinal lower diagonal brace (13) is also fixedly connected between the two first columns (11), and the first longitudinal lower diagonal brace (13) is arranged obliquely between the two first columns (11); a second longitudinal lower diagonal brace (23) is also fixedly connected between the two second columns (21), and the second longitudinal lower diagonal brace (23) is arranged obliquely between the two second columns (21).
3. The steel truss bridge sliding and pushing support according to claim 2, characterized in that: Two adjacent first longitudinal lower diagonal braces (13) have different inclination directions and are connected at the same height of the same first column (11); two adjacent second longitudinal lower diagonal braces (23) have different inclination directions and are connected at the same height of the same second column (21).
4. The steel truss bridge sliding and pushing support according to claim 1, characterized in that: A first longitudinal upper diagonal brace (15) for supporting the first guide rail (14) is fixedly connected between two adjacent first columns (11), the two first longitudinal upper diagonal braces (15) are arranged obliquely, and one end of the two first longitudinal upper diagonal braces (15) is respectively fixedly connected to the two adjacent first columns (11), and the other end is fixedly connected to the lower side of the first guide rail (14); A second longitudinal upper diagonal brace (25) for supporting the second guide rail (24) is fixedly connected between two adjacent second columns (21); the two second longitudinal upper diagonal braces (25) are arranged obliquely, and one end of the two second longitudinal upper diagonal braces (25) is respectively fixedly connected to the two adjacent second columns (21), and the other end is fixedly connected to the lower side of the second guide rail (24).
5. The steel truss bridge sliding and pushing support according to claim 1, characterized in that: The connection assembly (3) further comprises a transverse diagonal brace (33) arranged between the transverse lower connecting rod (31) and the transverse upper connecting rod (32); ends of the transverse diagonal brace (33) are respectively fixedly connected to the first column (11) and the second column (21).
6. The steel truss bridge sliding and pushing support according to claim 1, characterized in that: The connection assembly (3) also includes a transverse connecting beam (34) fixedly connected to the upper sides of the first column (11) and the second column (21).
7. The steel truss bridge sliding and pushing support according to claim 6, characterized in that: A first walkway cantilever beam (16) is vertically fixedly connected to the upper end of the first column (11), the first walkway cantilever beam (16) is arranged on the outside of the bracket, and the first walkway cantilever beam (16) is arranged on the lower side of the first guide rail (14); a first walkway board (17) is fixedly connected to the first walkway cantilever beam (16), the first walkway board (17) is horizontally arranged, and the first walkway board (17) is fixedly connected to the first walkway cantilever beams (16) on the plurality of first columns (11); A second walkway cantilever beam (26) is vertically fixedly connected to the upper end of the second column (21), the second walkway cantilever beam (26) is arranged on the outside of the bracket, and the second walkway cantilever beam (26) is arranged on the lower side of the second guide rail (24); a second walkway plate (27) is fixedly connected to the second walkway cantilever beam (26), the second walkway plate (27) is horizontally arranged, and the second walkway plate (27) is fixedly connected to the second walkway cantilever beams (26) on the plurality of second columns (21).
8. The steel truss bridge sliding and pushing support according to claim 7, characterized in that: A third walkway plate (35) and a fourth walkway plate (36) are fixedly connected at both ends of the transverse connecting beam (34), respectively; the third walkway plate (35) and the first walkway plate (17) are arranged at the same height and are arranged on both sides of the first column (11); the fourth walkway plate (36) and the second walkway plate (27) are arranged at the same height and are arranged on both sides of the second column (21).
9. The steel truss bridge sliding and pushing support according to claim 8, characterized in that: The first walkway board (17) is fixedly connected with a first guardrail (18); the second walkway board (27) is fixedly connected with a second guardrail (28); the third walkway board (35) and the fourth walkway board (36) are respectively fixedly connected with a third guardrail (37) and a fourth guardrail (38); the third guardrail (37) and the first guardrail (18) protect the third walkway board (35) and the first walkway board (17) on both sides of the first guide rail (14); the fourth guardrail (38) and the second guardrail (28) protect the fourth walkway board (36) and the second walkway board (27) on both sides of the second guide rail (24).