CN213203755U - Double-layer D-shaped bridge structure - Google Patents
Double-layer D-shaped bridge structure Download PDFInfo
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- CN213203755U CN213203755U CN202021967382.2U CN202021967382U CN213203755U CN 213203755 U CN213203755 U CN 213203755U CN 202021967382 U CN202021967382 U CN 202021967382U CN 213203755 U CN213203755 U CN 213203755U
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Abstract
The utility model relates to a double-deck D type bridge construction, its characterized in that: the D-shaped bridge structure comprises piers (1), supporting pieces (2), end part right-angle trusses (3), middle part angle trusses (4), chord member beams (5), D-shaped bridge panels (6), internal supporting pieces (7) and internal connecting plates (8); the lap-joint combination of the middle part angle truss that sets up from top to bottom through 2 right angle trusses that the tip set up and down and inside a plurality of groups connect from top to bottom forms double-deck D type bridge structure, D type decking has been laid in the inside of tip right angle truss and middle part angle truss, through between the bottom of adjacent tip right angle truss and the bottom of middle part angle truss, between the bottom of adjacent middle part angle truss, and between the top of adjacent tip right angle truss and the top of middle part angle truss, be provided with the chord member roof beam between the top of adjacent middle part angle truss, thereby realize the high user demand and the joint strength stability of this double-deck D type bridge simultaneously in top and bottom.
Description
Technical Field
The utility model relates to a steel bridge structure, concretely relates to double-deck 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 the 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, simultaneously from structural stability and safety in utilization's comprehensive consideration, and corresponding demand can not be satisfied to current steel bridge structure.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a double-layer D-shaped bridge structure.
The utility model provides a technical scheme that its technical problem adopted is:
a double-deck D type bridge construction which characterized in that: the D-shaped bridge structure comprises a bridge pier, a supporting piece, an end part right-angle truss, a middle part angle truss, a chord beam, a D-shaped bridge panel, an internal supporting piece and an internal connecting plate; wherein, the pier sets up respectively in both sides position, support piece fixed respectively sets up in both sides the top of pier is at every side support piece's top is provided with 2 tip right angle trusses of connecting from top to bottom, 2 at every side 2 the centre of tip right angle truss is connected through 2 middle part angle trusses of connecting from top to bottom of a plurality of groups, between the bottom of adjacent tip right angle truss and the bottom of middle part angle truss, between the bottom of adjacent middle part angle truss to and between the top of adjacent tip right angle truss and the top of middle part angle truss, be provided with the chord member roof beam between the top of adjacent middle part angle truss, the middle part of tip right angle truss with between the middle part of middle part angle truss and adjacent be connected with D type decking between the middle part of middle part angle truss, D type decking and below be located the bottom of tip right angle truss and below be provided with inside between the bottom of middle part angle truss The strutting pieces are connected by the internal connecting plates among the 2 middle corner trusses which are connected up and down.
Further, the end part far away from the right angle in the right angle transverse of the end part right angle truss is provided with an end part transverse connection joint plate, the end part far away from the right angle in the right angle vertical of the end part right angle truss is provided with an end part vertical connection joint plate, the two end parts of the bottom side of the middle part angle truss are respectively provided with a middle part transverse connection joint plate, the vertex angle end part of the middle part angle truss is provided with a middle part vertical connection joint plate, the end part right angle truss is connected with the transverse connection joint plate of the middle part angle truss which is transversely adjacently arranged through the end part transverse connection joint plate, the end part right angle truss is connected with the end part vertical connection joint plate of the end part right angle truss which is vertically adjacently arranged through the end part vertical connection joint plate, the middle part angle truss is connected with the middle part transverse connection joint plate of the transversely adjacent middle part angle truss through the middle part transverse connection joint plate, the middle part angle truss realizes .
Further, the end part far away from the right angle in the right angle transverse of the end part right angle truss is provided with an end part clamping plate, the two ends of the bottom side of the middle part angle truss are provided with a middle part clamping plate, and the end part clamping plate is matched with the middle part clamping plate and the middle part clamping plate.
Furthermore, the middle part of each chord beam is provided with a 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 located below in a protruding mode.
Further, the middle corner truss is set to be a regular triangle truss.
Further, the end right-angle truss is set to be half of the middle right-angle truss.
Furthermore, the end part right-angle truss, the middle part angle truss and the chord beam are all made of I-shaped steel.
The utility model has the advantages that:
(1) the utility model provides a double-deck D type bridge construction, the overlap joint combination of the middle part angle truss of connecting from top to bottom 2 right angle trusses and inside a plurality of groups that set up from top to bottom through the tip forms double-deck D type bridge construction, D type decking has been laid in the inside of tip right angle truss and middle part angle truss, through between the bottom at adjacent tip right angle truss and the bottom of middle part angle truss, between the bottom of adjacent middle part angle truss, and between the top of adjacent tip right angle truss and the top of middle part angle truss, be provided with the chord member roof beam between the top of adjacent middle part angle truss, thereby realize simultaneously that the high user demand and the joint strength of this double-deck D type bridge are stable in top and bottom.
(2) The utility model discloses a form of tip right angle truss and the mutual overlap joint combination of middle part angle truss, and all set up to upper and lower two-layer overlap joint form, the truss is convenient for machine-shaping, easy dismounting, and intensity is stable, and middle part angle 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 grip block and middle part grip block and the middle part grip block and realize the location installation between tip right angle truss and middle part angle truss and the middle part angle truss, the installation is firm and the location is accurate.
Drawings
Fig. 1 is a structural front view of the double-layer 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 double-layer D-shaped bridge structure comprises a pier 1, a support member 2, an end right-angle truss 3, a middle corner truss 4, a chord member beam 5, a D-shaped bridge deck 6, an internal support member 7 and an internal connecting plate 8; wherein, pier 1 sets up respectively in both sides position, support piece 2 is fixed respectively and sets up in the top of both sides pier 1, 2 tip right angle trusses 3 of connecting from top to bottom are provided with in every side support piece 2 top, 2 middle part angle trusses 4 of connecting from top to bottom through a plurality of groups in every 2 middle part of tip right angle truss 3 connect from top to bottom, between the bottom of adjacent tip right angle truss 3 and the bottom of middle part angle truss 4, between the bottom of adjacent middle part angle truss 4, and between the top of adjacent tip right angle truss 3 and the top of middle part angle truss 4, be provided with chord member 5 between the top of adjacent middle part angle truss 4, be connected with D type decking 6 between the middle part of tip right angle truss 3 of tip and the middle part angle truss 4 of middle part, and be located below between the bottom of tip right angle truss 3 of D type decking 6 and the bottom of the middle part angle truss 4 of middle part that is provided with the internal stay between the bottom of middle part angle truss 4 that The pieces 7 and the 2 middle corner trusses 4 which are connected up and down are connected through an internal connecting plate 8.
Specifically, the end part far away from the right angle in the right-angle transverse side of the end part right-angle truss 3 is provided with an end part transverse connection joint plate 3-1, the end part far away from the right angle in the right-angle vertical side of the end part right-angle truss 3 is provided with an end part vertical connection joint plate 3-2, the two end parts of the bottom side of the middle part corner truss 4 are respectively provided with a middle part transverse connection joint plate 4-1, the vertex angle end part of the middle part corner truss 4 is provided with a middle part vertical connection joint plate 4-2, the end part right-angle truss 3 is connected with the transverse connection joint plate 4-1 of the middle part corner truss 4 which is transversely adjacently arranged through the end part transverse connection joint plate 3-1, the end part right-angle truss 3 is connected with the end part vertical connection joint plate 3-2 of the end part right-angle truss 3 which is vertically adjacently arranged through the end part vertical connection joint plate 3-2, the middle The middle angle trusses 4 are connected through an internal connecting plate 8 arranged between the middle vertical connecting joint plate 4-2 and the middle vertical connecting joint plate 4-2 of the vertically adjacent middle angle truss 4; therefore, the connection and installation of each corresponding position are realized through the installation and the matching of the fixing piece and the opening on the corresponding connecting joint plate.
Specifically, the end part far away from the right angle in the right-angle transverse side of the end part right-angle truss 3 is provided with an end part clamping plate 3-3, the two ends of the bottom side of the middle part corner truss 4 are provided with a middle part clamping plate 4-3, and the end part clamping plate 3-3, the middle part clamping plate 4-3 and the adjacent middle part clamping plate 4-3 are mutually matched, so that the accurate installation and positioning and the tidy arrangement of each end part right-angle truss 3 and the middle part corner truss 4 are ensured.
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 vertical wind hooks 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 strength of the D-shaped bridge deck 6 at the position of the middle corner truss 4.
Specifically, a panel support 3-4 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 corner truss 4 is a regular triangle 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-angle truss 4, so that the manufacturing and molding are facilitated, and meanwhile, the positioning during installation is facilitated to be accurate.
Specifically, the end right-angle truss 3, the middle angle truss 4 and the chord beam 5 are made of I-steel, so that the materials are widely available and the price is low.
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 double-deck D type bridge construction which characterized in that: the D-shaped bridge structure comprises piers (1), supporting pieces (2), end part right-angle trusses (3), middle part angle trusses (4), chord member beams (5), D-shaped bridge panels (6), internal supporting pieces (7) and internal connecting plates (8); wherein, pier (1) sets up respectively in both sides position, support piece (2) are fixed respectively and set up in both sides the top of pier (1) is in every side the top of support piece (2) is provided with 2 tip right angle truss (3) of connecting from top to bottom, 2 in every side the centre of tip right angle truss (3) is connected through 2 middle part angle truss (4) of connecting from top to bottom of a plurality of groups, be provided with chord member (5) between the bottom of bottom and middle part angle truss (4) of adjacent tip right angle truss (3), between the bottom of adjacent middle part angle truss (4), and between the top of top and middle part angle truss (4) of adjacent tip right angle truss (3), be provided with chord member (5) between the top of adjacent middle part angle truss (4), the middle part of tip right angle truss (3) with between the middle part of middle part angle truss (4), And a D-shaped bridge deck (6) is connected between the middle parts of the adjacent middle corner trusses (4), an internal supporting piece (7) is arranged between the D-shaped bridge deck (6) and the bottoms of the end right-angle trusses (3) and the middle corner trusses (4) below, and the 2 middle corner trusses (4) which are connected up and down are connected through an internal connecting plate (8).
2. A double layer D-bridge structure according to claim 1, wherein: the end part far away from the right angle in the right angle transverse side of the end part right angle truss (3) is provided with an end part transverse connecting joint plate (3-1), the end part far away from the right angle in the right angle vertical side of the end part right angle truss (3) is provided with an end part vertical connecting joint plate (3-2), the two end parts of the bottom side of the middle part corner truss (4) are respectively provided with a middle part transverse connecting joint plate (4-1), the end part of the vertex angle of the middle part corner truss (4) is provided with a middle part vertical connecting joint plate (4-2), the end part right angle truss (3) is connected with the transverse connecting joint plate (4-1) of the middle part corner truss (4) which is horizontally and adjacently arranged through the end part transverse connecting joint plate (3-1), the end part right angle truss (3) is connected with the end part vertical connecting joint plate (3-2) of the end part right angle truss (3, the middle angle truss (4) is connected with the middle transverse connecting joint plate (4-1) of the middle angle truss (4) which is transversely adjacent through the middle transverse connecting joint plate (4-1), and the middle angle truss (4) is connected with the middle vertical connecting joint plate (4-2) of the middle angle truss (4) which is vertically adjacent through the middle vertical connecting joint plate (4-2) through the internal connecting plate (8).
3. A double layer D-bridge structure according to claim 1, wherein: keep away from the right-angled tip in the right angle transversal of tip right angle truss (3) and be provided with tip grip block (3-3), the base both ends of middle part angle truss (4) are provided with middle part grip block (4-3), tip grip block (3-3) with middle part grip block (4-3) and adjacent mutually support between middle part grip block (4-3).
4. A double layer D-bridge structure according to claim 1, wherein: the middle part of each chord beam (5) is provided with a mounting hole (5-1).
5. A double layer D-bridge structure according to claim 1, wherein: and a reinforcing framework is arranged inside the D-shaped bridge deck (6).
6. A double layer D-bridge structure according to 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 double layer D-bridge structure according to claim 1, wherein: and a panel support (3-4) is also arranged outside the lower part of the end right-angle truss (3) positioned below in a stretching way.
8. A double layer D-bridge structure according to claim 1, wherein: the middle corner truss (4) is a regular triangle truss.
9. A double layer D-bridge structure according to claim 8, wherein: the end part right-angle truss (3) is half of the middle part right-angle truss (4).
10. A double layer D-bridge structure according to claim 1, wherein: the end part right-angle truss (3), the middle part angle truss (4) and the chord beam (5) are all made of I-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021967382.2U CN213203755U (en) | 2020-09-09 | 2020-09-09 | Double-layer D-shaped bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021967382.2U CN213203755U (en) | 2020-09-09 | 2020-09-09 | Double-layer D-shaped bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213203755U true CN213203755U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021967382.2U Active CN213203755U (en) | 2020-09-09 | 2020-09-09 | Double-layer D-shaped bridge structure |
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|---|---|
| CN (1) | CN213203755U (en) |
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- 2020-09-09 CN CN202021967382.2U patent/CN213203755U/en active Active
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