Fabricated light steel plate composite beam bridge structure

Abstract

The utility model particularly relates to an assembly type light steel plate composite beam bridge structure, which belongs to the technical field of composite beam bridges and comprises a support beam, connecting clamping grooves are arranged at two ends of the support beam, one end of an extension connecting plate is clamped in the connecting clamping grooves, and transverse threaded holes are arranged in the connecting clamping grooves. A supporting longitudinal beam is installed between the supporting cross beams, extending connecting plates are arranged at the two ends of each supporting cross beam, the supporting cross beams are sleeved with a supporting bridge floor, and compensation supporting plates are arranged at the two ends of each supporting cross beam; the extension connecting plates are adopted, so that the supporting longitudinal beams are stably connected, the length of a single supporting longitudinal beam is reduced, the transportation efficiency of the combined beam bridge assembly is improved, the use length of the supporting longitudinal beams is flexibly adjusted, and the service life of the supporting longitudinal beams is prolonged. The adaptability and the use effect of the bridge to the external environment are improved.

Description

Technical Field

[0001] The utility model specifically relates to an assembled light steel plate composite beam bridge structure, belonging to the technical field of composite beam bridges. Background Art

[0002] Composite beam bridge is a composite structure bridge with beam span as the basic structure, that is, after two or more systems overlap, the reaction force properties of the overall structure are still the same as those of a beam loaded by bending. The characteristics of this bridge structure are mainly reflected in the heavy design and calculation work, complex structural details and internal forces.

[0003] An assembled light steel plate composite beam bridge structure with an existing application number of CN202120908017.2 belongs to the technical field of composite beam bridges, and includes a plurality of main beams and bridge decks. A plurality of connecting rods are fixedly provided on the upper surface of the main beams. A slot is provided on the upper surface of the connecting rods. The opening direction of the slot is parallel to the connecting rods. The upper surface of the connecting rods is threadedly connected with an end cap that can block the slot. When the bridge deck collides with the main beam, the connecting rods are inserted into the slots. A plurality of casting holes are provided on the bridge deck. The connecting rods can be inserted into the casting holes. The casting holes are horizontally provided with connecting rods, and the connecting rods are connected to the bridge deck. The present application has the effect of making it easier to separate the lifting rope from the bridge deck during the hoisting of the bridge deck, making the operation more convenient.

[0004] The above device improves the efficiency of disassembly and assembly of the bridge deck. However, the length of the main beam is fixed when in use, and the length of the main beam cannot be flexibly adjusted according to actual conditions, which reduces the efficiency and flexibility of bridge installation. When the main beam is too long, its weight is high and it is inconvenient to move. Summary of the invention

[0005] The utility model aims to solve the deficiencies of the prior art and provide an assembled light steel plate composite beam bridge structure to achieve the purpose of flexibly adjusting the efficiency of bridge installation.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: an assembled light steel plate composite beam bridge structure, including a supporting crossbeam, a supporting longitudinal beam is installed between the supporting crossbeams, an extended connecting plate is arranged at both ends of the supporting crossbeam, a supporting bridge deck is sleeved on the outer side of the supporting crossbeam, a compensating support plate is arranged at both ends of the supporting crossbeam, a blocking end plate is installed on the outer side of the compensating support plate, and cross legs are installed on both sides of the lower end of the supporting crossbeam.

[0007] Preferably, in order to quickly assemble the supporting longitudinal beam, assembling screw holes are opened on both sides of the center of the supporting crossbeam, the assembling screw holes penetrate the supporting longitudinal beam, and the internal threads of the assembling screw holes are installed with assembling bolts.

[0008] Preferably, in order to flexibly assemble the length of the supporting crossbeam, connecting slots are provided at both ends of the supporting crossbeam, and one end of the extending connecting plate is slidably engaged in the interior of the connecting slot.

[0009] Preferably, in order to fix the supporting beams to each other, a transverse threaded hole is provided inside the connecting slot, a transverse bolt is rotatably engaged inside the transverse threaded hole, and a transverse nut is sleeved and engaged at one end of the transverse bolt.

[0010] Preferably, in order to flexibly disassemble and assemble the supporting bridge deck, T-shaped slots are provided at both ends of the lower side of the supporting bridge deck, the T-shaped slots and the supporting cross beams are slidably engaged with each other, and the two ends of the supporting longitudinal beams are slidably engaged between the supporting cross beams.

[0011] Preferably, in order to improve the use effect of the supporting longitudinal beam, the upper surface of the supporting longitudinal beam and the lower surface of the supporting bridge deck are fitted with each other, and positioning holes are opened on both sides of both ends of the supporting longitudinal beam, and the positioning holes and the assembly bolts are slidably engaged with each other.

[0012] Preferably, in order to improve the use effect of both ends of the device, T-shaped slide grooves are opened at both ends of the lower side of the plugging end plate, and the T-shaped slide grooves and the supporting beams are slidably engaged with each other. A positioning through hole is opened on one side of the lower surface of the plugging end plate, and the positioning through hole and the assembly bolts are slidably engaged with each other.

[0013] Preferably, in order to stably support and fix the two ends of the device, a fixed connecting groove is provided on one side of both ends of the blocking end plate, the fixed connecting groove and the extended connecting plate are slidably engaged with each other, a fixed threaded hole is provided on one side of the fixed connecting groove, the fixed threaded hole and the assembly bolt are threadedly connected to each other, and supporting threaded holes are provided at both ends of the cross support legs, the supporting threaded holes pass through the lower side of the blocking end plate, the internal threads of the supporting threaded holes are engaged with supporting bolts, and the other end of the supporting bolts is rotatably engaged with supporting nuts.

[0014] The beneficial effects of the utility model are: the extended connecting plate is used to achieve a stable connection between the supporting longitudinal beams, reduce the length of a single supporting longitudinal beam, improve the transportation efficiency of the combined beam bridge assembly, and can flexibly adjust the use length of the supporting longitudinal beam, thereby improving the adaptability and use effect of the bridge to the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 3 It is a side sectional structural schematic diagram of the utility model;

[0018] Figure 4 It is a partial top view structural connection diagram of the utility model;

[0019] Figure 5 It is a partial bottom view structural connection diagram of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the supporting bridge deck part in the utility model;

[0021] Figure 7 It is a structural schematic diagram of the compensation support plate part in the utility model;

[0022] Figure 8 It is a structural connection diagram of the cross leg part in the utility model.

[0023] In the figure: 1. Supporting crossbeam; 2. Supporting longitudinal beam; 3. Extended connecting plate; 4. Supporting bridge deck; 5. Compensating support plate; 6. Blocking end plate; 7. Cross support leg; 8. Assembly bolt; 9. Transverse bolt; 10. Transverse nut; 11. Support bolt; 12. Support nut. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] See also Figure 1-Figure 8 As shown, an assembled light steel plate composite beam bridge structure includes a supporting crossbeam 1, a supporting longitudinal beam 2 is installed between the supporting crossbeams 1, extended connecting plates 3 are arranged at both ends of the supporting crossbeam 1, a supporting bridge deck 4 is mounted on the outer side of the supporting crossbeam 1, compensation support plates 5 are arranged at both ends of the supporting crossbeam 1, and blocking end plates 6 are installed on the outer side of the compensation support plate 5, and cross legs 7 are installed on both sides of the lower end of the supporting crossbeam 1.

[0026] Assembly screw holes are provided on both sides of the center of the support crossbeam 1, and the assembly screw holes penetrate the support longitudinal beam 2. The internal threads of the assembly screw holes are installed with assembly bolts 8, which fix the support crossbeam 1 and the support longitudinal beam 2 to each other, thereby improving the disassembly and assembly effect of the support longitudinal beam 2.

[0027] Connecting slots are provided at both ends of the supporting beam 1, and one end of the extended connecting plate 3 is slidably engaged in the inside of the connecting slot to fix the supporting beams 1. A transverse threaded hole is provided inside the connecting slot, and a transverse bolt 9 is rotatably engaged inside the transverse threaded hole. One end of the transverse bolt 9 is fittedly engaged with a transverse nut 10 to improve the disassembly and assembly effect between the supporting beams 1.

[0028] T-shaped slots are provided at both ends of the lower side of the supporting bridge deck 4, and the T-shaped slots and the supporting crossbeam 1 are slidably engaged with each other to improve the disassembly and assembly effect of the supporting bridge deck 4. The two ends of the supporting longitudinal beam 2 are slidably engaged between the supporting crossbeams 1, and the upper surface of the supporting longitudinal beam 2 and the lower surface of the supporting bridge deck 4 are fitted with each other to improve the load-bearing capacity of the supporting bridge deck 4. Positioning holes are provided on both sides of both ends of the supporting longitudinal beam 2, and the positioning holes and the assembly bolts 8 are slidably engaged with each other to position and fix the position of the supporting longitudinal beam 2.

[0029] T-shaped slide grooves are provided at both ends of the lower side of the blocking end plate 6, and the T-shaped slide grooves and the supporting beam 1 are slidably engaged with each other, which improves the disassembly and assembly effect of the blocking end plate 6; a positioning through hole is provided on one side of the lower surface of the blocking end plate 6, and the positioning through hole and the assembling bolt 8 are slidably engaged with each other, which improves the connection effect of the blocking end plate 6; a fixed connection groove is provided on one side of both ends of the blocking end plate 6, and the fixed connection groove and the extended connecting plate 3 are slidably engaged with each other; a fixed threaded hole is provided on one side of the fixed connection groove, and the fixed threaded hole and the assembling bolt 8 are threadedly connected to each other, which increases the use effect of both ends of the device; supporting threaded holes are provided at both ends of the cross support leg 7, and the supporting threaded hole passes through the lower side of the blocking end plate 6, and the internal thread of the supporting threaded hole is engaged with a supporting bolt 11, and the other end of the support bolt 11 is rotatably engaged with a supporting nut 12, which makes the disassembly and assembly of the cross support leg 7 more convenient and stable.

[0030] When the utility model is in use, the user selects an appropriate number of supporting crossbeams 1, supporting longitudinal beams 2, extended connecting plates 3 and supporting bridge decks 4 for use according to actual conditions, slides and clamps the supporting longitudinal beams 2 and the supporting crossbeams 1 with each other, slides and clamps the supporting crossbeams 1 with each other through T-shaped slots, and uses assembly bolts 8 to fix the supporting crossbeams 1, the supporting longitudinal beams 2 and the supporting bridge deck 4 with each other, slides and clamps one end of the extended connecting plate 3 into the inside of the connecting slot, and uses transverse bolts 9 to fix its position, slides and clamps the connecting slot at one end of another supporting crossbeam 1 with the other end of the extended connecting plate 3 with each other, and uses transverse bolts 9 to fix, so that the supporting crossbeams 1 are stably connected, and the blocking end plates 6 and the cross legs 7 at both ends of the adjustment device are selectively installed.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An assembled lightweight steel plate composite beam bridge structure, comprising a supporting beam (1), characterized in that: Support longitudinal beams (2) are installed between the support beams (1), extended connecting plates (3) are provided at both ends of the support beams (1), a supporting bridge deck (4) is sleeved on the outer side of the support beams (1), compensation support plates (5) are provided at both ends of the support beams (1), blocking end plates (6) are installed on the outer side of the compensation support plates (5), and cross legs (7) are installed on both sides of the lower end of the support beams (1).

2. The assembled light steel plate composite beam bridge structure according to claim 1, characterized in that: The support crossbeam (1) is provided with assembly screw holes on both sides of the center, the assembly screw holes penetrate the support longitudinal beam (2), and the internal threads of the assembly screw holes are provided with assembly bolts (8).

3. The assembled light steel plate composite beam bridge structure according to claim 1, characterized in that: Both ends of the support crossbeam (1) are provided with connection slots, and one end of the extended connection plate (3) is slidably engaged in the interior of the connection slot.

4. The assembled light steel plate composite beam bridge structure according to claim 3, characterized in that: A transverse threaded hole is provided inside the connecting slot, a transverse bolt (9) is rotatably engaged inside the transverse threaded hole, and a transverse nut (10) is sleeved and engaged at one end of the transverse bolt (9).

5. The assembled light steel plate composite beam bridge structure according to claim 2, characterized in that: T-shaped slots are provided at both ends of the lower side of the supporting bridge deck (4), the T-shaped slots and the supporting cross beams (1) are slidably engaged with each other, and both ends of the supporting longitudinal beams (2) are slidably engaged between the supporting cross beams (1).

6. The assembled light steel plate composite beam bridge structure according to claim 5, characterized in that: The upper surface of the supporting longitudinal beam (2) and the lower surface of the supporting bridge deck (4) are fitted to each other, and positioning holes are provided on both sides of both ends of the supporting longitudinal beam (2), and the positioning holes and the assembly bolts (8) are slidably engaged with each other.

7. The assembled light steel plate composite beam bridge structure according to claim 2, characterized in that: T-shaped slide grooves are provided at both ends of the lower side of the plugging end plate (6), and the T-shaped slide grooves and the supporting cross beam (1) are slidably engaged with each other. A positioning through hole is provided on one side of the lower surface of the plugging end plate (6), and the positioning through hole and the assembly bolt (8) are slidably engaged with each other.

8. The assembled light steel plate composite beam bridge structure according to claim 7, characterized in that: One side of both ends of the plugging end plate (6) is provided with a fixed connection groove, the fixed connection groove and the extended connection plate (3) are slidably engaged with each other, one side of the fixed connection groove is provided with a fixed threaded hole, the fixed threaded hole and the assembly bolt (8) are threadedly connected to each other, and both ends of the cross support leg (7) are provided with a supporting threaded hole, the supporting threaded hole passes through the lower side of the plugging end plate (6), the internal thread of the supporting threaded hole is engaged with a supporting bolt (11), and the other end of the supporting bolt (11) is rotatably engaged with a supporting nut (12).

Images