CN213267475U - Three-row double-layer D-shaped bridge structure - Google Patents
Three-row double-layer D-shaped bridge structure Download PDFInfo
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- CN213267475U CN213267475U CN202022024749.3U CN202022024749U CN213267475U CN 213267475 U CN213267475 U CN 213267475U CN 202022024749 U CN202022024749 U CN 202022024749U CN 213267475 U CN213267475 U CN 213267475U
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Abstract
The utility model relates to a double-deck D type bridge construction of three rows, its characterized in that: the D-shaped bridge structure comprises an end right-angle truss (1), a middle triangular truss (2), a chord member beam (3), a right-angle end plate (4), a triangular end plate (5), a right-angle end beam (6), a triangular end beam (7), a wind-resistant pull rod (8) and a vertical wind hook (9); the lap-joint combination through tip right angle truss and inside a plurality of middle part triangle truss forms double-deck D type bridge construction, simultaneously through in the front and back direction, every side tip right angle truss and middle part triangle truss set up to three rows of structures respectively, thereby the intensity stability of reinforcing whole bridge construction in the front and back side direction, and be provided with the anti-wind pull rod in the inside of triangle end panel, be provided with vertical catch at the below of triangle end panel, thereby strengthen bridge deck structure's whole service strength and support intensity simultaneously.
Description
Technical Field
The utility model relates to a steel bridge structure, concretely relates to double-deck D type bridge structure of three rows.
Background
The assembled steel bridge is a common temporary bridge facility, is an upper and lower bearing type bridge with a single-pin connection truss unit as a bridge span structure main beam, is not limited by the bridge type, and the standardized truss has the characteristics of simple structure, strong adaptability, good interchangeability, convenient assembly and disassembly, large load capacity, capability of multi-point parallel construction and high construction speed. The crossbeam of traditional assembled steel bridge erects between the montant and the down tube of both sides truss, however the assembled steel bridge cost of truss structure among the prior art is high, and the bearing capacity is less, and structure and equipment are complicated, can not satisfy intensity user demand and simple dismouting demand already.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a three-row double-layer D type bridge structure.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a double-deck D type bridge structure of three rows which characterized in that: the D-shaped bridge structure comprises an end right-angle truss, a middle triangular truss, a chord beam, a right-angle end plate, a triangular end plate, a right-angle end beam, a triangular end beam, a wind-resistant pull rod and a vertical wind hook; wherein, the end right-angle trusses are arranged into 2 pieces which are connected up and down, the middle of each of the 2 end right-angle trusses on the left side and the right side is connected with 2 middle corner trusses which are connected up and down through a plurality of groups, chord beams are respectively arranged between the bottom of the adjacent end right-angle truss and the bottom of the middle corner truss, between the bottom of the adjacent middle corner truss, between the top of the adjacent end right-angle truss and the top of the middle corner truss, right-angle end beams are connected between the end right-angle trusses on the front side and the rear side, right-angle end plates are paved on the right-angle end beams, a triangular end beam is connected between the middle corner trusses on the front side and the rear side, triangular end plates are paved on the triangular end beams, wind-resistant pull rods are arranged inside the triangular end plates, and vertical wind hooks are arranged below the triangular end plates, in the front-rear direction, the right-angle truss at each side end and the middle triangular truss are respectively arranged into three rows of structures.
Furthermore, the top and the bottom inner front and rear sides of 2 end right-angle trusses connected up and down are respectively provided with an end connection joint plate, the top and the bottom two ends front and rear sides of 2 middle triangular trusses connected up and down are respectively provided with a middle connection joint plate, the two ends of the chord beam are respectively connected with 2 adjacent end connection joint plates and the middle connection joint plate so as to realize the connection of the adjacent end right-angle trusses and the middle triangular trusses, and the two ends of the chord beam are respectively connected with 2 adjacent middle connection joint plates so as to realize the connection of the adjacent middle triangular trusses.
Further, the top and the bottom inner of 2 tip right angle trusses of connecting from top to bottom are provided with the end connection board respectively, and the top and the bottom both ends of 2 middle part triangle trusses of connecting from top to bottom are provided with the middle part connecting plate respectively, and adjacent end connection board is connected with the middle part connecting plate in order to realize being connected of adjacent tip right angle truss and middle part triangle truss, and 2 adjacent middle part connecting plates are in order to realize being connected between the adjacent middle part triangle truss.
Furthermore, the end connecting joint plate and the middle connecting joint plate are respectively provided with joint plate mounting holes along the front and rear directions in the axial direction.
Furthermore, connecting plate mounting holes are formed in the end connecting plates and the middle connecting plate respectively and axially along the left and right directions.
Further, the wind-resistant pull rods are arranged in a crossed manner inside the triangular end panel.
Further, the vertical wind hooks are arranged in a crossed mode below the triangular end face plate.
Further, the length of the right-angle end panel is smaller than the length of the triangular end panel in the left-right direction.
Further, the middle triangular truss is set to be a regular triangular truss.
Further, the end right-angle truss is set to be half of the middle triangular truss.
The utility model has the advantages that:
(1) the utility model provides a double-deck D type bridge construction of three rows, overlap joint combination through tip right angle truss and inside a plurality of middle part triangle truss forms double-deck D type bridge construction, simultaneously through in the front and back direction, every side tip right angle truss and middle part triangle truss set up respectively to three rows of structures, thereby strengthen the intensity stability of whole bridge construction in front and back side direction, and be provided with anti-wind pull rod in the inside of triangle end panel, be provided with vertical catch on the below of triangle end panel, thereby strengthen the whole use intensity and the support intensity of bridge floor structure simultaneously.
(2) The utility model discloses a form of the mutual overlap joint combination of tip right angle truss and middle part triangle truss, the truss is convenient for machine-shaping, easy dismounting, and intensity is stable, and middle part triangle truss sets up to regular triangle, and the tip right angle truss sets up to the right angled triangle of half of regular triangle, and the appearance is pleasing to the eye, and the location is accurate.
(3) The chord beam is installed between the end connecting joint plate and the middle connecting joint plate, the chord beam is fixed in the front-back direction, the chord beam is fixed in the left-right direction through the end connecting plate and the middle connecting plate, and the chord beam and the middle connecting plate are fixed in the left-right direction and the middle connecting plate, so that stable connection between the end right-angle truss and the middle triangular truss and between the middle triangular trusses can be realized in the left-right direction and the front-back direction.
Drawings
Fig. 1 is a schematic structural view of a three-row double-layer D-shaped bridge structure of the present invention.
Fig. 2 is a partial enlarged view of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-2, a three-row double-layer D-shaped bridge structure comprises an end right-angle truss 1, a middle triangular truss 2, a chord member beam 3, a right-angle end plate 4, a triangular end plate 5, a right-angle end beam 6, a triangular end beam 7, a wind-resistant pull rod 8 and a vertical wind hook 9; wherein, the end right-angle trusses 1 are arranged into 2 connected up and down, the middle of each side 2 end right-angle trusses 1 is connected up and down through a plurality of groups of 2 middle angle trusses 2, the bottom of the adjacent end right-angle truss 1 and the bottom of the middle angle truss 2, the bottom of the adjacent middle angle truss 2, the top of the adjacent end right-angle truss 1 and the top of the middle angle truss 2, the top of the adjacent middle angle truss 2 are respectively provided with a chord beam 3, the end right-angle crossbeams 6 are connected between the end right-angle trusses 1 at the front side and the rear side, the right-angle end plate 4 is laid on the right-angle end crossbeam 6, the triangular end crossbeam 7 is connected between the middle angle trusses 2 at the front side and the rear side, the triangular end plate 5 is laid on the triangular end crossbeam 7, the wind-resistant pull rod 8 is arranged inside the triangular end plate 5, vertical wind hooks 9 are arranged below the triangular end panels 5, and the right-angle truss 1 at each side end and the triangular truss 2 in the middle are respectively arranged in three rows in the front-back direction.
Specifically, the front and rear sides of the inner ends of the top and bottom of 2 end right-angle trusses 1 connected up and down are respectively provided with an end connecting joint plate 1-1, the front and rear sides of the top and bottom two ends of 2 middle triangular trusses 2 connected up and down are respectively provided with a middle connecting joint plate 2-1, two ends of a chord beam 3 are respectively connected with the adjacent 2 end connecting joint plates 1-1 and the middle connecting joint plate 2-1 to realize the connection of the adjacent end right-angle trusses 1 and the middle triangular trusses 2, and two ends of the chord beam 3 are respectively connected with the adjacent 2 middle connecting joint plates 2-1 to realize the connection of the adjacent middle triangular trusses 2.
Specifically, end connecting plates 1-2 are respectively arranged at the inner ends of the top and the bottom of 2 end right-angle trusses 1 connected up and down, middle connecting plates 2-2 are respectively arranged at the two ends of the top and the bottom of 2 middle triangular trusses 2 connected up and down, adjacent end connecting plates 1-2 are connected with the middle connecting plates 2-2 to realize the connection of the adjacent end right-angle trusses 1 with the middle triangular trusses 2, and adjacent 2 middle connecting plates 2-2 are used to realize the connection between the adjacent middle triangular trusses 2.
Specifically, the end connecting joint plate 1-1 and the middle connecting joint plate 2-1 are respectively provided with joint plate mounting holes along the front and rear direction in the axial direction, so that the end right-angle truss 1 and the middle triangular truss 2 are fixedly mounted and stably connected in the front and rear direction through the connecting rod beam 3.
Specifically, connecting plate mounting holes are respectively formed in the end connecting plate 1-2 and the middle connecting plate 2-2 axially along the left-right direction, so that the end right-angle truss 1 and the middle triangular truss 2 are positioned, mounted and stably connected in the left-right direction.
Specifically, the wind-resistant tie bars 8 are arranged crosswise inside the triangular end panels 5 to ensure a stable supporting effect of the triangular end panels 5 from the inside in a cross-like structure.
Specifically, the vertical hooks 9 are arranged to intersect below the triangular end panels 5, so that the intersection-like structure ensures a stable supporting effect for the triangular end panels 5 above.
Specifically, in the left-right direction, the length of the right-angle end plates 4 is smaller than that of the triangular end plates 5, thereby ensuring the balance and stability of the strength of the intermediate triangular end plates 5 for passage.
Specifically, the middle triangular truss 2 is set as a regular triangular truss, so that the appearance is attractive, and the manufacturing, molding, installation and positioning are facilitated.
Specifically, the end part right-angle truss 1 is set to be half of the middle part triangular truss 2, so that the manufacturing and forming are facilitated, and meanwhile, the positioning during installation is facilitated to be accurate.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a double-deck D type bridge structure of three rows which characterized in that: the D-shaped bridge structure comprises an end right-angle truss (1), a middle triangular truss (2), a chord member beam (3), a right-angle end plate (4), a triangular end plate (5), a right-angle end beam (6), a triangular end beam (7), a wind-resistant pull rod (8) and a vertical wind hook (9); wherein, the end part right angle trusses (1) are arranged into 2 which are connected up and down, the middle of each of the left and right 2 end part right angle trusses (1) is connected with the middle of each of the left and right 2 middle part angle trusses (2) which are connected up and down through a plurality of groups, chord beams (3) are respectively arranged between the bottom of the adjacent end part right angle truss (1) and the bottom of the middle part angle truss (2) and between the top of the adjacent end part right angle truss (1) and the top of the middle part angle truss (2) and between the tops of the adjacent middle part angle trusses (2), right angle end beams (6) are connected between the end part right angle trusses (1) at the front and the back, right angle end plates (4) are laid on the right angle end beams (6), and triangular end beams (7) are connected between the middle part triangle trusses (2) at the front and the back, triangle end beam (7) upper berth is equipped with triangle end panel (5) the inside of triangle end panel (5) is provided with anti-wind pull rod (8) the below of triangle end panel (5) is provided with vertical catch (9), and in the front and back direction, every side tip right angle truss (1) and middle part triangle truss (2) set up to three rows of structures respectively.
2. A three-row double-layer D-bridge structure according to claim 1, wherein: the top and the bottom inner front and rear sides of 2 end right-angle trusses (1) connected from top to bottom are respectively provided with an end connecting joint plate (1-1), the top and the bottom two ends front and rear sides of 2 middle triangular trusses (2) connected from top to bottom are respectively provided with a middle connecting joint plate (2-1), the two ends of a chord beam (3) are respectively connected with the adjacent 2 end connecting joint plates (1-1) and the middle connecting joint plate (2-1) to realize the connection of the adjacent end right-angle trusses (1) and the middle triangular trusses (2), and the two ends of the chord beam (3) are respectively connected with the adjacent 2 middle connecting joint plates (2-1) to realize the connection of the adjacent middle triangular trusses (2).
3. A three-row double-layer D-bridge structure according to claim 1, wherein: the top and the bottom inner ends of 2 end part right-angle trusses (1) connected from top to bottom are respectively provided with an end part connecting plate (1-2), the top and the bottom two ends of 2 middle part triangular trusses (2) connected from top to bottom are respectively provided with a middle part connecting plate (2-2), the adjacent end part connecting plates (1-2) are connected with the middle part connecting plates (2-2) to realize the connection of the adjacent end part right-angle trusses (1) and the middle part triangular trusses (2), and the adjacent 2 middle part connecting plates (2-2) are connected between the adjacent middle part triangular trusses (2).
4. A three-row double-layer D-bridge structure according to claim 2, wherein: the end connecting joint plate (1-1) and the middle connecting joint plate (2-1) are respectively internally provided with joint plate mounting holes which are axially arranged along the front-back direction.
5. A three-row double-layer D-bridge structure according to claim 3, wherein: connecting plate mounting holes which are axially arranged along the left-right direction are respectively formed in the end connecting plate (1-2) and the middle connecting plate (2-2).
6. A three-row double-layer D-bridge structure according to claim 1, wherein: the wind-resistant pull rods (8) are arranged in the triangular end panels (5) in a crossed mode.
7. A three-row double-layer D-bridge structure according to claim 1, wherein: the vertical wind hooks (9) are arranged below the triangular end panel (5) in a crossed mode.
8. A three-row double-layer D-bridge structure according to claim 1, wherein: in the left-right direction, the length of the right-angle end panel (4) is smaller than that of the triangular end panel (5).
9. A three-row double-layer D-bridge structure according to claim 1, wherein: the middle triangular truss (2) is a regular triangular truss.
10. A three row double layer D-bridge structure according to claim 8, wherein: the end part right-angle truss (1) is half of the middle part triangular truss (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022024749.3U CN213267475U (en) | 2020-09-15 | 2020-09-15 | Three-row double-layer D-shaped bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022024749.3U CN213267475U (en) | 2020-09-15 | 2020-09-15 | Three-row double-layer D-shaped bridge structure |
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| Publication Number | Publication Date |
|---|---|
| CN213267475U true CN213267475U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022024749.3U Active CN213267475U (en) | 2020-09-15 | 2020-09-15 | Three-row double-layer D-shaped bridge structure |
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| CN (1) | CN213267475U (en) |
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- 2020-09-15 CN CN202022024749.3U patent/CN213267475U/en active Active
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