Segmented steel truss girder

Abstract

The utility model discloses a sectional steel truss. It comprises several upper beam parts and lower longitudinal beam parts. The number of upper beam parts is the same as that of lower longitudinal beam parts. The upper beam parts are arranged above the lower longitudinal beam parts and partially inserted into the lower longitudinal beam parts. Two sides of the lower part of the upper beam part are respectively provided with a drain pipe. The drain pipe is partially embedded in the lower longitudinal beam part. The water inlet of the drain pipe vertically penetrates the upper beam part. The drain pipe is used for receiving the accumulated water discharged from the upper beam part. The two ends of the upper beam part are respectively provided with a limiting part. The limiting part is used for connecting two upper beam parts. The utility model is convenient to disassemble and reassemble, and improves the maintainability and service life of each part.

Description

Technical Field

[0001] This utility model specifically relates to a segmented steel truss beam. Background Technology

[0002] When constructing bridges across major urban roads, using reinforced concrete structures not only results in slow construction speeds but also significantly impacts traffic. Steel box girder construction technology offers clear advantages in urban road bridge construction, including shorter construction periods and reduced disruption to traffic. Steel box girder construction is a common structural form in bridge construction.

[0003] However, in actual applications of steel box girders, when they are subjected to prolonged overloading, the loads they bear far exceed the initial design standards. This leads to deformation of the steel box girders, creating safety hazards. Furthermore, the existing bridge pavement structure lacks effective drainage and restraint devices, making it easy for water to accumulate on the pavement, increasing maintenance difficulty and costs, and also affecting the bridge's service life. Utility Model Content

[0004] Purpose of the utility model: To provide a segmented steel truss beam that solves the above-mentioned problems existing in the prior art.

[0005] Technical solution: A segmented steel truss girder includes several upper horizontal beams and lower longitudinal beams. The number of upper horizontal beams is the same as the number of lower longitudinal beams. The upper horizontal beams are located above the lower longitudinal beams and partially inserted into them. Drainage pipes are installed on both sides of the lower part of the upper horizontal beams. The drainage pipes are partially embedded in the lower longitudinal beams. The inlet of the drainage pipes vertically penetrates the upper horizontal beams. The drainage pipes are used to collect water discharged from the upper horizontal beams. Limiting parts are installed at both ends of the upper horizontal beams. The limiting parts are used for connecting two upper horizontal beams together.

[0006] Preferably, the upper crossbeam includes an upper road surface, which is located above the lower longitudinal beam. The drainage pipes are located on both sides below the upper road surface, with the inlet of the drainage pipes vertically penetrating the upper road surface. A trapezoidal mounting member is provided below the upper road surface, and the bottom of the trapezoidal mounting member has a plurality of mounting grooves arranged in a linear array. The axis of the mounting grooves is perpendicular to the axis of the upper road surface. A portion of the lower longitudinal beam is inserted into the mounting groove. A limiting member is provided on the top wall of each set of mounting grooves. The limiting member is inserted into the lower longitudinal beam and forms a connection and limiting with the lower longitudinal beam.

[0007] Preferably, each set of limiting members includes two sets of positioning blocks, the positioning blocks are installed at both ends of the mounting groove, and a plurality of limiting blocks are installed in a rectangular array between the positioning blocks, and both the positioning blocks and the limiting blocks are inserted into the lower longitudinal beam.

[0008] Preferably, the lower longitudinal beam includes two sets of mounting beams located on both sides below the upper transverse beam. Several support beams are linearly arrayed between the mounting beams along their length, with gaps reserved between them. A portion of the upper transverse beam is inserted into the gap. A trapezoidal groove is formed in the center of each support beam, and a portion of the upper transverse beam is placed into the trapezoidal groove. Placement grooves are formed on both sides of the trapezoidal groove, and the drain pipe is installed in the placement groove. A receiving portion is formed at the bottom of the trapezoidal groove, and a portion of the upper transverse beam is inserted into the receiving portion, thereby forming a connection limit between the upper transverse beam and the lower longitudinal beam.

[0009] Preferably, the receiving part includes two sets of positioning grooves, the positioning grooves are located at both ends of the trapezoidal groove, and a plurality of limiting grooves are formed in a rectangular array between the positioning grooves. The positioning grooves and the limiting grooves cooperate with each other to form a limiting connection for the upper crossbeam.

[0010] Preferably, the limiting part includes two sets of assembly slots, which are opened at both ends of the top surface of the upper crossbeam. Each set of assembly slots has a number of assembly protrusions installed in a matrix array. An assembly plate is embedded in the assembly slot. The end face of the assembly plate near the assembly slot has an insertion groove with the same number of assembly protrusions. The assembly protrusions are inserted into the insertion groove to form a connection.

[0011] Beneficial effects: This utility model relates to a segmented steel truss beam. The upper crossbeam is inserted into the lower longitudinal beam through a trapezoidal mounting member. Under the mutual insertion and limiting of the positioning block, the limiting block and the receiving part, a limiting connection is formed. With the cooperation of the limiting part, the upper crossbeam is connected and fixed in sequence, completing the installation of the upper crossbeam and the lower longitudinal beam. It can effectively constrain the positional relationship of the upper crossbeam, so that the upper crossbeam is installed in the predetermined position. When maintenance or replacement of parts is required, it can also be easily disassembled and reassembled, improving the maintainability and service life of each component. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is an exploded view of the entire utility model; Figure 3 Schematic diagram of the upper crossbeam of this utility model Figure 1 ; Figure 4 Schematic diagram of the upper crossbeam of this utility model Figure 2 ; Figure 5 This is a schematic diagram of the lower longitudinal beam of this utility model; Figure 6 This is a partial schematic diagram of the limiting part of this utility model.

[0013] Figures 1 to 6 The reference numerals in the attached diagram are: 1. Upper crossbeam; 2. Lower longitudinal beam; 3. Limiting part; 4. Drainage pipe; 11. Upper pavement layer; 12. Trapezoidal mounting component; 13. Mounting groove; 14. Positioning block; 15. Limiting block; 21. Mounting beam; 22. Support beam; 23. Trapezoidal groove; 24. Positioning groove; 25. Limiting groove; 26. Placement groove; 31. Assembly slot; 32. Assembly protrusion; 33. Assembly plate. Detailed Implementation

[0014] like Figures 1 to 6 As shown, this utility model provides a technical solution: a segmented steel truss beam, comprising several upper transverse beams 1 and lower longitudinal beams 2, wherein the number of upper transverse beams 1 and lower longitudinal beams 2 is the same. The upper transverse beams 1 are installed above the lower longitudinal beams 2, and a portion of the upper transverse beams 1 is inserted into the lower longitudinal beams 2. Drainage pipes 4 are installed on both sides below the upper transverse beams 1, and the drainage pipes 4 are partially embedded in the lower longitudinal beams. The inlet of the drainage pipe 4 vertically penetrates the upper transverse beams 1, and the drainage pipe 4 is used to receive water from the upper transverse beams 1. The water discharged from the upper crossbeam 1 is provided by limiting parts 3 installed at both ends of the upper crossbeam 1. The limiting parts 3 are used for connecting two upper crossbeams 1 together. The upper crossbeam 1 includes an upper road surface 11, which is located above the lower longitudinal beam 2. The four drainage pipes are located on both sides below the upper road surface 11. The inlets of the four drainage pipes vertically penetrate the upper road surface 11. A trapezoidal mounting member 12 is installed below the upper road surface 11. The trapezoidal mounting member 12 is connected to the upper crossbeam 2. The upper pavement layer 11 is integrally formed. The bottom of the trapezoidal mounting component 12 has a plurality of mounting grooves 13 arranged in a linear array. The axis of the mounting grooves 13 is perpendicular to the axis of the upper pavement layer 11. A portion of the lower longitudinal beam 2 is inserted into the mounting groove 13. Each set of mounting grooves 13 has a limiting component on its top wall. Each set of limiting components includes two sets of positioning blocks 14, which are installed at both ends of the mounting groove 13. A plurality of limiting blocks 15 are installed in a rectangular array between the positioning blocks 14. The positioning blocks 14 and... The limiting blocks 15 are all inserted into the lower longitudinal beam 2. Under the mutual insertion and limiting of the positioning block 14, the limiting block 15 and the receiving part, a limiting connection is formed. With the cooperation of the limiting part 3, the upper crossbeam 1 is connected and fixed in sequence, completing the installation of the upper crossbeam 1 and the lower longitudinal beam 2. This can effectively constrain the positional relationship of the upper crossbeam 1, so that the upper crossbeam 1 is installed in the predetermined position. When maintenance or replacement of parts is required, it can also be easily disassembled and reassembled, improving the maintainability and service life of each component.

[0015] In a further embodiment, the lower longitudinal beam 2 includes two sets of mounting beams 21 located on both sides below the upper transverse beam 1. A plurality of support beams 22 are linearly arrayed between the mounting beams 21 along their length, with gaps reserved between them. A portion of the upper transverse beam 1 is inserted into these gaps. A trapezoidal groove 23 is formed in the center of each support beam 22, and a portion of the upper transverse beam 1 is placed into the trapezoidal groove 23. Placement slots 26 are formed on both sides of the trapezoidal groove 23, and the drain pipe 4 is installed in the placement slot. Inside the groove 26, a receiving part is provided at the bottom of the trapezoidal groove 23. The receiving part includes two sets of positioning grooves 24. The positioning grooves 24 are located at both ends of the trapezoidal groove 23. A plurality of limiting grooves 25 are provided in a rectangular array between the positioning grooves 24. The positioning grooves 24 and the limiting grooves 25 cooperate with each other to form a limiting connection for the upper crossbeam 1. The positioning block 14 and the limiting block 15 in the upper crossbeam 1 are respectively inserted into the positioning grooves 24 and the limiting grooves 25, so that a connection limiting is formed between the upper crossbeam 1 and the lower longitudinal beam 2.

[0016] In a further embodiment, the limiting part 3 includes two sets of assembly slots 31, which are opened at both ends of the top surface of the upper crossbeam part 1. Each set of assembly slots 31 contains a plurality of assembly protrusions 32 arranged in a matrix array. An assembly plate 33 is embedded within the assembly slot 31. The end face of the assembly plate 33 near the assembly slot 31 has insertion slots equal in number to the number of assembly protrusions 32. That is, by placing the assembly plate 33 within the assembly slot 31, and with the cooperation of the assembly protrusions 32 and the insertion slots, the two sets of upper crossbeam parts 1 are interconnected and limited. The preferred embodiments of this utility model have been described in detail above. However, this utility model is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this utility model, various equivalent transformations can be made to the technical solution of this utility model, and these equivalent transformations all fall within the protection scope of this utility model.

Claims

1. A segmented steel truss girder, characterized in that, It includes several upper crossbeams (1) and lower longitudinal beams (2). The number of upper crossbeams (1) and lower longitudinal beams (2) is the same. The upper crossbeams (1) are located above the lower longitudinal beams (2) and are partially inserted into the lower longitudinal beams (2). Drainage pipes (4) are installed on both sides below the upper crossbeams (1). The drainage pipes (4) are partially embedded in the lower longitudinal beams. The inlet of the drainage pipes (4) penetrates vertically through the upper crossbeams (1). The drainage pipes (4) are used to collect the water discharged from the upper crossbeams (1). Limiting parts (3) are installed at both ends of the upper crossbeams (1). The limiting parts (3) are used for connecting the two upper crossbeams (1).

2. A segmented steel truss girder according to claim 1, characterized in that, The upper crossbeam (1) includes an upper road surface (11), which is located above the lower longitudinal beam (2). The drainage pipe (4) is located on both sides below the upper road surface (11). The inlet of the drainage pipe (4) penetrates the upper road surface (11) vertically. A trapezoidal mounting component (12) is provided below the upper road surface (11). The bottom of the trapezoidal mounting component (12) has a number of mounting grooves (13) arranged in a linear array. The axis of the mounting groove (13) is perpendicular to the axis of the upper road surface (11). A portion of the lower longitudinal beam (2) is inserted into the mounting groove (13). Each set of mounting grooves (13) has a limiting component on its top wall. The limiting component is inserted into the lower longitudinal beam (2) and forms a connection limiting with the lower longitudinal beam (2).

3. A segmented steel truss girder according to claim 2, characterized in that, Each set of limiting components includes two sets of positioning blocks (14). The positioning blocks (14) are installed at both ends of the mounting groove (13). A number of limiting blocks (15) are installed in a rectangular array between the positioning blocks (14). The positioning blocks (14) and the limiting blocks (15) are both inserted into the lower longitudinal beam (2).

4. A segmented steel truss girder according to claim 1, characterized in that, The lower longitudinal beam (2) includes two sets of mounting beams (21). The mounting beams (21) are located on both sides below the upper transverse beam (1). Several support beams (22) are linearly arrayed between the mounting beams (21) along their length direction. A gap is reserved between the support beams (22). A portion of the upper transverse beam (1) is inserted into the gap. A trapezoidal groove (23) is provided in the center of the support beam (22). A portion of the upper transverse beam (1) is placed into the trapezoidal groove (23). Placement grooves (26) are provided on both sides of the trapezoidal groove (23). The drain pipe (4) is installed in the placement groove (26). A receiving part is provided at the bottom of the trapezoidal groove (23). A portion of the upper transverse beam (1) is inserted into the receiving part, so that a connection limit is formed between the upper transverse beam (1) and the lower longitudinal beam (2).

5. A segmented steel truss beam according to claim 4, characterized in that, The receiving part includes two sets of positioning grooves (24). The positioning grooves (24) are located at both ends of the trapezoidal groove (23). A number of limiting grooves (25) are provided in a rectangular array between the positioning grooves (24). The positioning grooves (24) and the limiting grooves (25) cooperate with each other to form a limiting connection for the upper crossbeam part (1).

6. A segmented steel truss girder according to claim 1, characterized in that, The limiting part (3) includes two sets of assembly slots (31). The assembly slots (31) are opened at both ends of the top surface of the upper crossbeam part (1). Each set of assembly slots (31) has a number of assembly protrusions (32) installed in a matrix array. The assembly plate (33) is embedded in the assembly slot (31). The end face of the assembly plate (33) near the assembly slot (31) has an insertion groove with the same number as the assembly protrusions (32). The assembly protrusions (32) are inserted into the insertion groove to form a connection.

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