CN213203772U - Truss structure for D-shaped bridge end - Google Patents
Truss structure for D-shaped bridge end Download PDFInfo
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- CN213203772U CN213203772U CN202021921187.6U CN202021921187U CN213203772U CN 213203772 U CN213203772 U CN 213203772U CN 202021921187 U CN202021921187 U CN 202021921187U CN 213203772 U CN213203772 U CN 213203772U
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Abstract
The utility model relates to a truss structure for D type bridge end portion, its characterized in that: the truss structure comprises inclined rods, vertical rods, connecting holes and connecting plates of the vertical rods; the top end of the diagonal rod and the top end of the vertical rod are respectively fixedly connected with the bottom end of the vertical rod connecting plate, the bottom end of the diagonal rod is fixedly connected with one end of the mysterious rod, the mysterious rod connecting plate is arranged at the connecting position, the bottom end of the vertical rod is fixedly connected with the other end of the mysterious rod, the vertical rod and the mysterious rod are mutually vertical, and a throttle plate hole is formed in the top end of the vertical rod connecting plate; adopt fixed connection's down tube, montant, and join in marriage the pole structure and form stable right angled triangle structure, stable in strength each other, simple structure, the equipment is convenient, low cost, simultaneously because the setting of upper and lower reinforcement further guarantees to set up in the stable in strength of this truss structure of D type bridge tip, thereby the multilayer panel structure of the inside fixed mounting crossbeam that is convenient for of setting up of mounting groove simultaneously forms D type bridge.
Description
Technical Field
The utility model relates to a truss structure, concretely relates to truss structure for D type bridge end portion.
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 connecting rod of the traditional assembly type steel bridge is erected between the vertical rod and the inclined rod of the trusses on two sides, and the connecting rod is connected with the trusses through the positioning pins, so that the trusses are light in weight on the assembly type steel bridge. Portable steel bridge is at present mainly be bailey steel bridge, adopts 10 channel-section steels and 8I-steel welded rhombus truss piece modules to splice and form, but the truss structure bearing capacity among the prior art is less, can not satisfy the use demand and the simple dismouting demand of intensity large-span bridge.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a truss structure for D type bridge end.
The utility model provides a technical scheme that its technical problem adopted is:
truss structure for a D-bridge end, characterized in that: the truss structure comprises inclined rods, vertical rods, connecting holes and connecting plates of the vertical rods; wherein, the top of down tube with the top of montant respectively with the bottom fixed connection of montant connecting plate, the bottom of down tube with the one end fixed connection of mysterious pole just is provided with in the hookup location and mysterious pole connecting plate, the bottom of montant with the other end fixed connection of mysterious pole, the montant with mysterious pole mutually perpendicular the festival diaphragm orifice has been seted up on the top of montant connecting plate the connecting hole has been seted up at the both ends of mysterious pole the montant is kept away from one side of down tube still stretches out respectively and is provided with reinforcement and lower reinforcement go up the mounting groove has been seted up between reinforcement and the lower reinforcement.
Further, the length of the vertical rod is greater than that of the hollow rod.
Furthermore, the diagonal rod, the vertical rod and the mysterious rod are made of I-shaped steel respectively.
Further, the node holes are arranged in 2 horizontally arranged holes.
Further, the connecting holes are arranged in a square shape, and the number of the connecting holes is 4.
Further, one side of the mysterious rod connecting plate, which is far away from the vertical rod, is set to be a vertical surface.
Further, the protruding size of the upper reinforcing member and the protruding size of the lower reinforcing member towards the side far away from the vertical rod are equal.
Further, the upper reinforcement has a length greater than a length of the lower reinforcement.
Further, the mounting groove is set to be an oblique groove.
Furthermore, a plurality of reinforcing holes are formed in the lower reinforcing piece.
The utility model has the advantages that:
(1) the truss structure is characterized in that the truss structure is provided with a plurality of vertical rods, the vertical rods are fixedly connected with the bottom of the truss structure, the bottom of each vertical rod is provided with a plurality of vertical reinforcing pieces, the vertical rods are fixedly connected with the bottom of each vertical rod, the bottom of each vertical rod is provided with a plurality of vertical reinforcing pieces, the bottom of each vertical rod.
Drawings
Fig. 1 is a structural front view of the truss structure of the present invention;
fig. 2 is a structural side view of the truss 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. 1-2, the truss structure for the end of the D-type bridge comprises an inclined rod 1, a vertical rod 2, a hidden rod 3, a vertical rod connecting plate 4, a connecting hole 5 and a hidden rod connecting plate 6; the top end of the diagonal rod 1 and the top end of the vertical rod 2 are fixedly connected with the bottom end of a vertical rod connecting plate 4 respectively, the bottom end of the diagonal rod 1 is fixedly connected with one end of an inserted rod 3, an inserted rod connecting plate 6 is arranged at the connecting position, the bottom end of the vertical rod 2 is fixedly connected with the other end of the inserted rod 3, the vertical rod 2 and the inserted rod 3 are perpendicular to each other, a gusset hole 4-1 is formed in the top end of the vertical rod connecting plate 4, connecting holes 5 are formed in two ends of the inserted rod 3, an upper reinforcing part 2-1 and a lower reinforcing part 2-2 extend out from one side of the vertical rod 2 far away from the diagonal rod 1 respectively, and a mounting groove 2-3 is formed between the upper reinforcing part 2-1 and the lower reinforcing part 2.
Specifically, the length of montant 2 is greater than the length of joining in marriage pole 3 to satisfy the high demand of bridge of the D type bridge after the installation is accomplished, also be convenient for simultaneously in the inside interior deck plate structure that adds of the high enough D type bridge of bridge.
Specifically, the inclined rod 1, the vertical rod 2 and the mysterious rod 3 are made of I-shaped steel respectively, and are convenient to select materials, low in price and convenient to install.
Specifically, the joint plate holes 4-1 are arranged horizontally 2, so that the connection between the vertically arranged 2 vertical rod connecting plates 4 is realized through the connection of I-steel and each joint plate hole 4-1 between the vertically arranged 2 vertical rod connecting plates 4.
Specifically, the connecting holes 5 are arranged in a square shape, so that the I-shaped steels can be conveniently mounted and positioned.
Specifically, the side of mysterious pole connecting plate 6 that keeps away from montant 2 sets up to vertical face to through the mutual butt of vertical face of mysterious pole connecting plate 6 separately when making things convenient for tip truss structure and middle part truss structure interconnect to install the installation location effect.
Specifically, the extending sizes of the upper reinforcing part 2-1 and the lower reinforcing part 2-2 towards the side far away from the vertical rod 2 are equal, so that the reinforcing effect is realized, and meanwhile, the processing, forming, installation and positioning are facilitated.
Specifically, the length of the upper stiffener 2-1 is greater than the length of the lower stiffener 2-2 to position the D-deck as close to the lower position of the truss structure as possible while ensuring sufficient support dimensions above to enable support of the upper truss structure.
Specifically, the installation groove 2-3 is provided as an inclined groove so as to fixedly install the hidden rod inside the installation groove 2-3 to form an upper panel structure of the D-shaped bridge.
Specifically, the lower reinforcing member 2-2 is provided with a plurality of reinforcing holes 2-21, and the connection with the external connecting member is realized through the reinforcing holes 2-21.
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. Truss structure for a D-bridge end, characterized in that: the truss structure comprises an inclined rod (1), a vertical rod (2), a mysterious rod (3), a vertical rod connecting plate (4), a connecting hole (5) and a mysterious rod connecting plate (6); wherein the top end of the diagonal rod (1) and the top end of the vertical rod (2) are respectively fixedly connected with the bottom end of the vertical rod connecting plate (4), the bottom end of the diagonal rod (1) is fixedly connected with one end of the mysterious rod (3) and a mysterious rod connecting plate (6) is arranged at the connecting position, the bottom end of the vertical rod (2) is fixedly connected with the other end of the mysterious rod (3), the vertical rod (2) is vertical to the mysterious rod (3), a knot hole (4-1) is arranged at the top end of the vertical rod connecting plate (4), connecting holes (5) are arranged at the two ends of the mysterious rod (3), an upper reinforcing part (2-1) and a lower reinforcing part (2-2) respectively extend from one side of the vertical rod (2) far away from the diagonal rod (1), an installation groove (2-3) is arranged between the upper reinforcing piece (2-1) and the lower reinforcing piece (2-2).
2. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: the length of the vertical rod (2) is greater than that of the mysterious rod (3).
3. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: the inclined rod (1), the vertical rod (2) and the mysterious rod (3) are made of I-shaped steel respectively.
4. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: the node holes (4-1) are arranged in 2 horizontally arranged holes.
5. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: the connecting holes (5) are arranged into 4 in a square arrangement.
6. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: one side of the mysterious rod connecting plate (6) far away from the vertical rod (2) is set to be a vertical surface.
7. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: the upper reinforcing piece (2-1) and the lower reinforcing piece (2-2) are equal in extending size towards one side far away from the vertical rod (2).
8. The truss structure for a D-shaped bridge end as claimed in claim 7, wherein: the length of the upper reinforcement (2-1) is greater than the length of the lower reinforcement (2-2).
9. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: the mounting groove (2-3) is an oblique groove.
10. The truss structure for a D-shaped bridge end as claimed in claim 1, wherein: the lower reinforcing piece (2-2) is provided with a plurality of reinforcing holes (2-21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921187.6U CN213203772U (en) | 2020-09-04 | 2020-09-04 | Truss structure for D-shaped bridge end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921187.6U CN213203772U (en) | 2020-09-04 | 2020-09-04 | Truss structure for D-shaped bridge end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213203772U true CN213203772U (en) | 2021-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021921187.6U Active CN213203772U (en) | 2020-09-04 | 2020-09-04 | Truss structure for D-shaped bridge end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213203772U (en) |
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2020
- 2020-09-04 CN CN202021921187.6U patent/CN213203772U/en active Active
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