CN213203754U - Single-layer single-row D-shaped bridge structure - Google Patents
Single-layer single-row D-shaped bridge structure Download PDFInfo
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- CN213203754U CN213203754U CN202021924515.8U CN202021924515U CN213203754U CN 213203754 U CN213203754 U CN 213203754U CN 202021924515 U CN202021924515 U CN 202021924515U CN 213203754 U CN213203754 U CN 213203754U
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Abstract
The utility model relates to a single-layer single-row D type bridge structure, its characterized in that: the D-shaped bridge structure comprises a supporting piece, an end part right-angle truss, a middle part triangular truss, a chord beam, a D-shaped bridge deck and an internal supporting piece; the lap-joint combination of the end right-angle truss and the internal middle triangular trusses forms a single-layer D-shaped bridge structure, D-shaped bridge decks are laid in the end right-angle truss and the internal middle triangular trusses, an internal supporting piece is arranged below the decks to guarantee the overall structure and strength stability of the D-shaped bridge decks, chord beams are connected between the top of the end right-angle truss and the top of the middle triangular trusses and between the tops of the middle triangular trusses, and the connection stability of the single-layer D-shaped bridge structure is achieved above the top.
Description
Technical Field
The utility model relates to a steel bridge structure, concretely relates to individual layer list D type bridge structure.
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 single-layer single-row D-shaped bridge structure.
The utility model provides a technical scheme that its technical problem adopted is:
a single-layer single-row D-shaped bridge structure is characterized in that: the D-shaped bridge structure comprises a supporting piece, an end right-angle truss, a middle triangular truss, a chord beam, a D-shaped bridge deck and an internal supporting piece; wherein, support piece is fixed respectively and sets up in the top of both sides pier support piece's top is provided with tip right angle truss the centre of tip right angle truss is connected through a plurality of middle part triangle truss, the top of tip right angle truss with between the top of middle part triangle truss and be connected with the chord member roof beam between the top of middle part triangle truss, the middle part of tip right angle truss with between the middle part of middle part triangle truss and be connected with D type decking between the middle part of middle part triangle truss, D type decking with the bottom of tip right angle truss and be provided with inside support piece further between the bottom of middle part triangle truss, the top of tip right angle truss is provided with the end connection yoke plate, the top of middle part triangle truss is provided with the middle part and connects the yoke plate, the both ends of chord member are respectively through end connection yoke plate, The middle connecting joint plate is correspondingly connected with the end right-angle truss and the middle triangular truss.
Furthermore, the bottom of the end right-angle truss is provided with an end connecting plate near the middle triangular truss, the two sides of the bottom of the middle triangular truss are provided with middle connecting plates, and the end connecting plates are matched with the middle connecting plates and the middle connecting plates.
Furthermore, the middle part of each chord beam is provided with an upper mounting hole.
Further, the interior of D type decking is provided with the reinforcing skeleton.
Further, inside support piece is including the crossbeam that is located the left and right sides and the vertical catch that is located the crossbeam middle part, just vertical catch sets up in a crossing way.
Furthermore, a panel support piece is further arranged on the lower outer side of the end right-angle truss in a protruding mode.
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.
Furthermore, a lower mounting hole is formed in the center of the bottom of the middle triangular truss.
The utility model has the advantages that:
(1) the utility model provides a single-layer single-row D type bridge structure, overlap joint combination through tip right angle truss and inside a plurality of middle part triangle truss forms single-layer single-row D type bridge structure, D type decking has been laid in the inside of tip right angle truss and middle part triangle truss, thereby it guarantees the stability of D type decking overall structure and intensity to be provided with inside support piece in the panel below, between tip right angle truss's top and the top of middle part triangle truss, and be connected with the chord member roof beam between the top of middle part triangle truss, thereby it is stable to realize the connection of single-layer single-row D type bridge structure at the top.
(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) Thereby mutually support between tip connecting plate and the middle part connecting plate and realize the location installation between tip right angle truss and middle part triangle truss and the middle part triangle truss, the installation is firm and the location is accurate.
Drawings
Fig. 1 is a structural front view of the single-layer single-row D-shaped bridge structure 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, a single-layer single-row D-shaped bridge structure comprises a support 2, an end right-angle truss 3, a middle triangular truss 4, a chord member 5, a D-shaped bridge deck 6 and an internal support 7; wherein, support piece 2 is fixed respectively and sets up in the top of both sides pier 1, top at support piece 2 is provided with tip right angle truss 3, connect through a plurality of middle part triangle truss 4 in the centre of tip right angle truss 3, between the top of tip right angle truss 3 and the top of middle part triangle truss 4, and be connected with chord member roof beam 5 between the top of middle part triangle truss 4, between the middle part of tip right angle truss 3 and the middle part of middle part triangle truss 4, and be connected with D type decking 6 between the middle part of middle part triangle truss 4, be provided with inside support piece 7 between the bottom of D type decking 6 and tip right angle truss 3 and the bottom of middle part triangle truss 4.
Specifically, the top of the end right-angle truss 3 is provided with an end connecting joint plate 3-1, the top of the middle triangular truss 4 is provided with a middle connecting joint plate 4-1, and two ends of the chord member beam 5 are correspondingly connected with the end right-angle truss 3 and the middle triangular truss 4 through the end connecting joint plate 3-1 and the middle connecting joint plate 4-1 respectively; specifically, the inside of the end connecting joint plate 3-1 and the inside of the middle connecting joint plate 4-1 are respectively provided with an opening, and the connection between the end connecting joint plate 3-1 and the middle connecting joint plate 4-1 and the chord beam 5 is realized through the matching of a fixing piece and the opening.
Specifically, the end part connecting plates 3-2 are arranged at the positions, close to the middle triangular truss 4, of the bottom end of the end part right-angle truss 3, the middle connecting plates 4-2 are arranged on the two sides of the bottom end of the middle triangular truss 4, and the end part connecting plates 3-2, the middle connecting plates 4-2 and the middle connecting plates 4-2 are matched with each other, so that the accurate installation and positioning and the tidy arrangement of the end part right-angle truss 3 and the middle triangular truss 4 are guaranteed.
Specifically, the middle part of each chord beam 5 is provided with an upper mounting hole 5-1, so that the chord beam is convenient to be fixedly mounted with an external fixing piece and to realize alignment and positioning mounting effects during mounting, and the appearance is attractive and neat during mounting in place.
Specifically, the inside of the D-shaped deck 6 is provided with a reinforcing skeleton to ensure the overall laying strength and stability of the D-shaped deck 6.
Specifically, the internal supporting piece 7 comprises a cross beam 7-1 positioned on the left side and the right side and a vertical wind hook 7-2 positioned in the middle of the cross beam 7-1, the vertical wind hooks 7-2 are arranged in a crossed mode, and the vertical wind hooks 7-2 arranged in the crossed mode are used for supporting the D-shaped bridge deck 6 in strength at the position of the middle triangular truss 4.
Specifically, a panel support 3-3 is further extended from the lower outer side of the end right-angle truss 3, so that the D-shaped bridge panel 6 is supported in strength at the position of the end right-angle truss 3.
Specifically, the middle triangular truss 4 is set as a regular triangular truss, so that the appearance is attractive, and the manufacturing and forming are convenient.
Specifically, the end right-angle truss 3 is half of the middle triangular truss 4, so that the manufacturing and forming are facilitated, and meanwhile, the positioning during installation is facilitated to be accurate.
Specifically, the middle part of the bottom of the middle triangular truss 4 is provided with a lower mounting hole 4-3, so that the middle triangular truss is convenient to be fixedly mounted with an external fixing piece and is also convenient to realize alignment and positioning mounting effects during mounting, and the middle triangular truss is ensured to be attractive and neat in appearance when being mounted in place.
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. A single-layer single-row D-shaped bridge structure is characterized in that: the D-shaped bridge structure comprises a supporting piece (2), an end part right-angle truss (3), a middle part triangular truss (4), a chord member beam (5), a D-shaped bridge deck (6) and an internal supporting piece (7); wherein the supporting pieces (2) are respectively and fixedly arranged at the tops of the piers (1) at the two sides, an end part right-angle truss (3) is arranged above the supporting part (2), the middle of the end part right-angle truss (3) is connected through a plurality of middle part triangular trusses (4), chord beams (5) are connected between the top of the end part right-angle truss (3) and the top of the middle part triangular truss (4) and between the tops of the middle part triangular truss (4), d-shaped bridge decks (6) are connected between the middle part of the end part right-angle truss (3) and the middle part of the middle part triangular truss (4) and between the middle parts of the middle part triangular truss (4), and an internal supporting piece (7) is arranged between the D-shaped bridge deck (6) and the bottoms of the end right-angle truss (3) and the middle triangular truss (4).
2. A single layer single row D-bridge structure as claimed in claim 1, wherein: the top of the end part right-angle truss (3) is provided with an end part connecting joint plate (3-1), the top of the middle part triangular truss (4) is provided with a middle part connecting joint plate (4-1), and two ends of the chord beam (5) are correspondingly connected with the end part right-angle truss (3) and the middle part triangular truss (4) through the end part connecting joint plate (3-1) and the middle part connecting joint plate (4-1).
3. A single layer single row D-bridge structure as claimed in claim 1, wherein: the bottom end of the end right-angle truss (3) is provided with an end connecting plate (3-2) close to the middle triangular truss (4), the two sides of the bottom end of the middle triangular truss (4) are provided with middle connecting plates (4-2), and the end connecting plate (3-2) is matched with the middle connecting plate (4-2) and the middle connecting plate (4-2).
4. A single layer single row D-bridge structure as claimed in claim 1, wherein: the middle part of each chord beam (5) is provided with an upper mounting hole (5-1).
5. A single layer single row D-bridge structure as claimed in claim 1, wherein: and a reinforcing framework is arranged inside the D-shaped bridge deck (6).
6. A single layer single row D-bridge structure as claimed in claim 1, wherein: the internal support piece (7) comprises a cross beam (7-1) positioned on the left side and the right side and a vertical wind hook (7-2) positioned in the middle of the cross beam (7-1), and the vertical wind hooks (7-2) are arranged in a crossed mode.
7. A single layer single row D-bridge structure as claimed in claim 1, wherein: and a panel support (3-3) is also arranged outside the lower part of the end right-angle truss (3) in an extending way.
8. A single layer single row D-bridge structure as claimed in claim 1, wherein: the middle triangular truss (4) is a regular triangular truss.
9. A single layer single row D-bridge structure as claimed in claim 8, wherein: the end part right-angle truss (3) is half of the middle part triangular truss (4).
10. A single layer single row D-bridge structure as claimed in claim 8, wherein: the middle part of the bottom of the middle triangular truss (4) is provided with a lower mounting hole (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021924515.8U CN213203754U (en) | 2020-09-04 | 2020-09-04 | Single-layer single-row D-shaped bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021924515.8U CN213203754U (en) | 2020-09-04 | 2020-09-04 | Single-layer single-row D-shaped bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213203754U true CN213203754U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021924515.8U Active CN213203754U (en) | 2020-09-04 | 2020-09-04 | Single-layer single-row D-shaped bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213203754U (en) |
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2020
- 2020-09-04 CN CN202021924515.8U patent/CN213203754U/en active Active
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