Comprehensive transportation junction engineering trestle

Abstract

The utility model discloses a comprehensive transportation junction engineering trestle, which belongs to the technical field of transportation junction engineering and comprises a plurality of bridge section splicing units which are different in height and mutually spliced, and the plurality of bridge section splicing units are sequentially spliced from low to high. A concrete slope used for being connected with the ground is arranged on one side of the bridge section splicing unit located at the low position, and the bridge section splicing unit located at the high position is connected with a target area. Each bridge section splicing unit comprises a bridge floor supporting assembly, a guardrail device and a supporting device; the whole comprehensive transportation junction engineering trestle is divided into a plurality of sections of independent bridge section splicing units, and each section of bridge section splicing unit has independent bearing and connecting functions. The bridge section splicing units can be connected through standardized connecting pieces, so that the connecting stability and the building and dismounting convenience are ensured, the building and dismounting difficulty and cost are reduced, and the problem that a traditional trestle is difficult to dismount and reuse is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation hub engineering, in particular to a trestle bridge for comprehensive transportation hub engineering. Background Art

[0002] With the acceleration of urbanization and the growing demand for transportation, comprehensive transportation hubs, as important nodes for urban and extra-urban transportation, have become urgent issues to be addressed in terms of traffic efficiency and transfer convenience. Traditional trestle designs often have problems such as single structure, limited functions, and high maintenance costs, which make it difficult to meet the needs of modern transportation hubs for efficiency, safety, and environmental protection. At the same time, the erection of trestles is an important link. The erection of trestles not only affects the smooth implementation of the project, but is also directly related to construction efficiency and safety. In the prior art, the following problems exist in the erection of traditional trestles: the trestle structure design is complex, the construction is difficult, and the efficiency is low; there are many safety hazards during the construction of the trestles, and the construction quality is difficult to guarantee; the dismantling and reuse of the trestles is difficult, and material waste is serious. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a trestle for a comprehensive transportation hub project, which solves the problem that it is difficult to dismantle and reuse a traditional trestle.

[0004] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0005] Provided is a trestle for a comprehensive transportation hub project, comprising a plurality of bridge section splicing units of different heights spliced ​​to each other, wherein the plurality of bridge section splicing units are spliced ​​in sequence from low to high; a concrete slope for connecting to the ground is provided on one side of the bridge section splicing unit at a low position, and the bridge section splicing unit at a high position is connected to a target area;

[0006] Each bridge section splicing unit includes a bridge deck support assembly, a guardrail device is arranged on the top of the bridge deck support assembly, and a support device is arranged on the bottom of the bridge deck support assembly, and the support device is fixedly connected to the ground.

[0007] The basic principle of the utility model is that the entire comprehensive transportation hub engineering trestle is composed of multiple sections of bridge section splicing units with different heights, which are spliced ​​in order from low to high. The entire comprehensive transportation hub engineering trestle is divided into multiple sections of independent bridge section splicing units, and each bridge section splicing unit has independent load-bearing and connection functions. The bridge section splicing units can be connected by standardized connectors to ensure the stability of the connection and the convenience of construction and disassembly, reduce the difficulty and cost of construction and disassembly, and solve the problem of the difficulty of dismantling and reusing traditional trestles.

[0008] Furthermore, as a specific arrangement of the bridge deck support assembly, the bridge deck support assembly in each section of the bridge section splicing unit includes a plurality of load-bearing longitudinal beams evenly arranged at horizontal intervals, the length direction of each of the load-bearing longitudinal beams is in the same direction as the length direction of the entire engineering trestle, a portal main beam is arranged between two adjacent load-bearing longitudinal beams, a plurality of I-beams are arranged on the upper surfaces of the plurality of load-bearing longitudinal beams, the length direction of each I-beam is perpendicular to the length direction of the load-bearing longitudinal beams, the plurality of I-beams are evenly arranged along the length direction of the entire engineering trestle, and the upper surfaces of the plurality of I-beams are paved with bridge deck panels.

[0009] A plurality of load-bearing longitudinal beams, portal main beams and I-beams are connected to form a support system for supporting the bridge deck, so that each bridge section splicing unit has independent load-bearing and connection functions. When two bridge section splicing units need to be spliced, the plurality of load-bearing longitudinal beams and the ends of the bridge deck in the two bridge section splicing units can be welded and fixed, thereby realizing the splicing of the two bridge section splicing units.

[0010] Furthermore, the upper end surface of the bridge deck in each bridge segment splicing unit is provided with anti-skid steel bars. The provision of the anti-skid steel bars enables the bridge deck to have an anti-skid function.

[0011] Furthermore, the bridge deck in each bridge section splicing unit is welded to the upper surfaces of a plurality of I-beams.

[0012] Furthermore, the guardrail device includes a plurality of guardrail uprights arranged on both sides of the bridge deck in the width direction, and the plurality of guardrail uprights on both sides of the bridge deck in the width direction are evenly spaced along the length direction of the bridge deck; the plurality of guardrail uprights on both sides of the bridge deck in the width direction are provided with a plurality of guardrail crossbars evenly spaced vertically and arranged parallel to each other, and each guardrail crossbar is arranged along the length direction of the engineering trestle. The guardrail device is used to manage and control the passage of people or vehicles, guide and manage the flow of people and vehicles, maintain order and safety, and can also effectively prevent pedestrians or vehicles from rushing out of the engineering trestle and reduce the occurrence of accidents.

[0013] Furthermore, the guardrail upright poles or guardrail cross bars or bridge decks are provided with lighting devices, which can provide illumination, making the engineering trestle bridge deck clear and improving the safety of pedestrians and vehicles at night.

[0014] Furthermore, the support device includes four portal columns whose tops are fixedly connected to the four corners of the lower end surfaces of the two load-bearing longitudinal beams located on both sides of the bridge deck in the width direction. The portal columns are used to lift and support the entire bridge deck support assembly.

[0015] Furthermore, a monolithic truss is arranged between the four portal columns, and the monolithic truss connects the four portal columns into a whole, so as to strengthen the structural strength between the portal columns and improve the safety of use.

[0016] Furthermore, a strip foundation is provided at the bottom of each portal column, the strip foundation is a reinforced concrete structure, a plurality of embedded steel bars are provided inside the strip foundation, a connecting bottom plate fixedly connected to the plurality of embedded steel bars is provided at the top end surface of the strip foundation, and the bottom of each portal column is welded and fixed to the connecting bottom plate. The strip foundation can be pre-buried underground to enhance the stability of the connection at the bottom of the portal column.

[0017] Furthermore, a stiffening plate is provided between the bottom of each of the portal columns and the connecting bottom plate. The stiffening plate is used to strengthen the stability of the connection between the bottom of the portal column and the entire strip foundation, so as to prevent the entire engineering trestle from tilting or falling.

[0018] The beneficial effects of the utility model are as follows: a comprehensive transportation hub engineering trestle in the utility model is composed of multiple sections of bridge section splicing units with different heights spliced ​​in order from low to high, and the entire comprehensive transportation hub engineering trestle is divided into multiple sections of independent bridge section splicing units, and each bridge section splicing unit has independent load-bearing and connection functions. The bridge section splicing units can be connected by standardized connecting parts to ensure the stability of the connection and the convenience of construction and disassembly, reduce the difficulty and cost of construction and disassembly, and solve the problem of the difficulty of dismantling and reusing traditional trestles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall elevation structure of a trestle for a comprehensive transportation hub project.

[0020] Figure 2 It is a schematic diagram of the front view structure of a single-section bridge segment splicing unit.

[0021] Figure 3 It is a side view structural schematic diagram of a single-section bridge segment splicing unit.

[0022] Figure 4 This is an enlarged structural diagram of the connection between the portal column and the strip foundation.

[0023] Among them, 1. Bridge section splicing unit; 2. Concrete slope; 3. Bridge deck support assembly; 4. Guardrail device; 5. Support device; 6. Load-bearing longitudinal beam; 7. Portal main beam; 8. I-beam; 9. Bridge deck; 10. Guardrail uprights; 11. Guardrail crossbars; 12. Portal columns; 13. Single-piece trusses; 14. Strip foundation; 15. Embedded steel bars; 16. Connecting base plate; 17. Stiffening plate. DETAILED DESCRIPTION

[0024] The specific implementation modes of the present invention are described below to facilitate the understanding of the present invention by those skilled in the art. However, it should be clear that the present invention is not limited to the scope of the specific implementation modes. For those skilled in the art, as long as various changes are within the spirit and scope of the present invention as defined and determined by the attached claims, these changes are obvious, and all inventions and creations utilizing the concept of the present invention are protected.

[0025] like Figure 1 to Figure 3 As shown, the utility model provides a comprehensive transportation hub engineering trestle, which includes a plurality of bridge segment splicing units 1 with different heights spliced ​​to each other, and the plurality of bridge segment splicing units 1 are spliced ​​in order from low to high; a concrete slope 2 for connecting with the ground is arranged on one side of the bridge segment splicing unit 1 at a low position, and the bridge segment splicing unit 1 at a high position is connected with a target area.

[0026] Each bridge section splicing unit 1 includes a bridge deck support assembly 3, a guardrail device 4 is arranged on the top of the bridge deck support assembly 3, and a support device 5 is arranged on the bottom of the bridge deck support assembly 3, and the support device 5 is fixedly connected to the ground.

[0027] The entire integrated transportation hub project trestle is composed of multiple sections of bridge section splicing units 1 with different heights, which are spliced ​​in order from low to high. The entire integrated transportation hub project trestle is divided into multiple sections of independent bridge section splicing units 1, and each section of the bridge section splicing unit 1 has independent load-bearing and connection functions. The bridge section splicing units 1 can be connected by standardized connectors to ensure the stability of the connection and the convenience of construction and disassembly, reduce the difficulty and cost of construction and disassembly, and solve the problem of the difficulty of dismantling and reusing traditional trestles.

[0028] Specifically, Figure 2 and Figure 3 As shown, as a specific arrangement of the bridge deck support assembly 3, the bridge deck support assembly 3 in each section of the bridge segment splicing unit 1 includes a plurality of load-bearing longitudinal beams 6 evenly arranged at horizontal intervals, the length direction of each of the load-bearing longitudinal beams 6 is in the same direction as the length direction of the entire engineering trestle, a portal main beam 7 is arranged between two adjacent load-bearing longitudinal beams 6, a plurality of I-beams 8 are arranged on the upper surface of the plurality of load-bearing longitudinal beams 6, the length direction of each I-beam 8 is perpendicular to the length direction of the load-bearing longitudinal beam 6, the plurality of I-beams 8 are evenly arranged along the length direction of the entire engineering trestle, and a bridge deck 9 is laid on the upper surface of the plurality of I-beams 8.

[0029] A plurality of load-bearing longitudinal beams 6, portal main beams 7 and I-beams 8 are connected to form a support system for supporting the bridge deck 9, so that each bridge section splicing unit 1 has independent load-bearing and connection functions. When two bridge section splicing units 1 need to be spliced, the plurality of load-bearing longitudinal beams 6 and the ends of the bridge deck 9 in the two bridge section splicing units 1 can be welded and fixed, thereby realizing the splicing of the two bridge section splicing units 1.

[0030] Preferably, but not limited to, the upper end surface of the bridge deck 9 in each section of the bridge section splicing unit 1 is provided with anti-skid steel bars. The provision of the anti-skid steel bars enables the bridge deck 9 to have an anti-skid function. The bridge deck 9 in each section of the bridge section splicing unit 1 is welded to the upper surface of a plurality of I-beams 8.

[0031] Specifically, the guardrail device 4 includes a plurality of guardrail uprights 10 arranged on both sides of the bridge deck 9 in the width direction, and the plurality of guardrail uprights 10 on both sides of the bridge deck 9 in the width direction are evenly spaced along the length direction of the bridge deck 9; the plurality of guardrail uprights 10 on both sides of the bridge deck 9 in the width direction are provided with a plurality of guardrail crossbars 11 evenly spaced vertically and arranged parallel to each other, and each guardrail crossbar 11 is arranged along the length direction of the engineering trestle. The guardrail device 4 is used to manage and control the passage of personnel or vehicles, guide and manage the flow of people and vehicles, maintain order and safety, and can also effectively prevent pedestrians or vehicles from rushing out of the engineering trestle and reduce the occurrence of accidents.

[0032] Preferably, a lighting device is provided on the guardrail upright pole 10 or the guardrail crossbar 11 or the bridge deck 9. The lighting device can provide illumination, so that the engineering trestle bridge deck is clear, and the safety of pedestrians and vehicles at night is improved.

[0033] The support device 5 includes four portal columns 12 whose tops are fixedly connected to the four corners of the lower end surfaces of the two load-bearing longitudinal beams 6 located on both sides of the bridge deck 9 in the width direction. The portal columns 12 are used to lift and support the entire bridge deck support assembly 3.

[0034] A monolithic truss 13 is arranged between the four portal columns 12. The monolithic truss 13 connects the four portal columns 12 into a whole, and is used to strengthen the structural strength between the portal columns 12 and improve the safety of use.

[0035] like Figure 3 and Figure 4As shown, a strip foundation 14 is provided at the bottom of each portal column 12. The strip foundation 14 is a reinforced concrete structure. A plurality of embedded steel bars 15 are provided inside the strip foundation 14. A connecting bottom plate 16 fixedly connected to the plurality of embedded steel bars 15 is provided at the top end surface of the strip foundation 14. The bottom of each portal column 12 is welded and fixed to the connecting bottom plate 16. The strip foundation 14 can be pre-buried underground to enhance the stability of the bottom connection of the portal column 12.

[0036] A stiffening plate 17 is provided between the bottom of each of the portal columns 12 and the connecting bottom plate 16. The stiffening plate 17 is used to strengthen the stability of the connection between the bottom of the portal column 12 and the entire strip foundation 14, so as to avoid the entire engineering trestle from tilting or falling.

Claims

1. A trestle for a comprehensive transportation hub project, characterized in that: It comprises a plurality of bridge section splicing units of different heights spliced ​​to each other, wherein the plurality of bridge section splicing units are spliced ​​in sequence from low to high; a concrete slope for connecting to the ground is arranged on one side of the bridge section splicing unit at a low position, and the bridge section splicing unit at a high position is connected to the target area; Each bridge section splicing unit includes a bridge deck support assembly, a guardrail device is arranged on the top of the bridge deck support assembly, and a support device is arranged on the bottom of the bridge deck support assembly, and the support device is fixedly connected to the ground.

2. The comprehensive transportation hub engineering trestle according to claim 1, characterized in that: The bridge deck supporting components in each section of the bridge section splicing unit include a plurality of load-bearing longitudinal beams evenly arranged at horizontal intervals, the length direction of each of the load-bearing longitudinal beams is in the same direction as the length direction of the entire engineering trestle, a portal main beam is arranged between two adjacent load-bearing longitudinal beams, a plurality of I-beams are arranged on the upper surface of the plurality of load-bearing longitudinal beams, the length direction of each I-beam is perpendicular to the length direction of the load-bearing longitudinal beams, the plurality of I-beams are evenly arranged along the length direction of the entire engineering trestle, and the upper surface of the plurality of I-beams is paved with bridge deck panels.

3. The comprehensive transportation hub engineering trestle according to claim 2 is characterized in that: The upper end surface of the bridge deck in each bridge section splicing unit is provided with anti-skid steel bars.

4. The comprehensive transportation hub engineering trestle according to claim 3 is characterized in that: The bridge deck in each bridge section splicing unit is welded to the upper surfaces of a plurality of I-beams.

5. The comprehensive transportation hub engineering trestle according to claim 4, characterized in that: The guardrail device includes a plurality of guardrail uprights arranged on both sides of the bridge deck in the width direction, and the plurality of guardrail uprights on both sides of the bridge deck in the width direction are evenly spaced along the length direction of the bridge deck; the plurality of guardrail uprights on both sides of the bridge deck in the width direction are provided with a plurality of guardrail cross bars evenly spaced vertically and arranged parallel to each other, and each guardrail cross bar is arranged along the length direction of the engineering trestle.

6. The integrated transportation hub engineering trestle according to claim 5, characterized in that: The guardrail upright poles, guardrail cross bars or bridge decks are provided with lighting devices.

7. The integrated transportation hub engineering trestle according to claim 6, characterized in that: The supporting device includes four portal frame columns whose tops are fixedly connected to the four corners of the lower end surfaces of two load-bearing longitudinal beams located on both sides of the bridge deck in the width direction.

8. The integrated transportation hub engineering trestle according to claim 7, characterized in that: A single-piece truss is arranged between the four portal frame columns.

9. The integrated transportation hub engineering trestle according to claim 8, characterized in that: A strip foundation is arranged at the bottom of each portal column. The strip foundation is a reinforced concrete structure. A plurality of embedded steel bars are arranged inside the strip foundation. A connecting base plate fixedly connected to the plurality of embedded steel bars is arranged on the top end surface of the strip foundation. The bottom of each portal column is welded and fixed to the connecting base plate.

10. The integrated transportation hub engineering trestle according to claim 9, characterized in that: A stiffening plate is arranged between the bottom of each portal column and the connecting bottom plate.

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