CN210439117U

CN210439117U - Steel temporary bridge

Info

Publication number: CN210439117U
Application number: CN201921161574.1U
Authority: CN
Inventors: 张健; 汪雅琴
Original assignee: Wuhan Qianwei Steel Structure Co Ltd
Current assignee: Wuhan Qianwei Steel Structure Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-01
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to a bridge technical field discloses a steel temporary bridge, including the steel pipe foundation pile, this steel pipe foundation pile is along transversely being provided with three, vertically being provided with many, many along the top fixedly connected with bottom plate of steel pipe foundation pile, a plurality of first I-steel of top fixedly connected with of bottom plate, this first I-steel are along bridge floor longitudinal distribution on the bottom plate, the top fixedly connected with decorative pattern steel sheet of first I-steel, the bottom of this decorative pattern steel sheet and the position that is located between the first I-steel of polylith all have the second I-steel along horizontal welding. The utility model discloses a bottom plate, first I-steel, second I-steel and the design of third I-steel isotructure that sets up, including I-steel itself possesses good impact resistance and resistance to wear for this bridge can prevent the lateral shifting that the bridge floor vibrations produced, possesses good stability.

Description

Steel temporary bridge

Technical Field

The utility model relates to a bridge technical field, concretely relates to steel temporary bridge.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. Bridges are generally composed of a superstructure, a substructure, a support and an attachment structure.

The small bridge is short in length, low in height and relatively low in bearing requirement, and steel structure bridges are sometimes adopted to replace concrete structure bridges in order to shorten the construction period and reduce the construction cost. The existing steel bridge erected on a small river or a gully has a simple structure and a small volume, the vibration of the bridge can be caused when a vehicle passes through the steel bridge, the damage of steel bridge components can be caused after the vehicle passes through the steel bridge, and the lateral deviation occurs between different structural layers of the steel bridge, so that the service life of the steel bridge is shortened, and serious people even bring potential safety hazards.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a steel temporary bridge avoids taking place the lateral shifting between the different structural layers of bridge in service, and the steadiness is good, improves the anti vibration ability of bridge.

The utility model discloses a steel suspension bridge, including the steel pipe foundation pile, this steel pipe foundation pile is along transversely being provided with three, vertically being provided with many, many along the top fixedly connected with bottom plate of steel pipe foundation pile, a plurality of first I-steel of top fixedly connected with of bottom plate, this first I-steel are along bridge floor longitudinal distribution on the bottom plate, the top fixedly connected with decorative pattern steel sheet of first I-steel, the bottom of this decorative pattern steel sheet and the position that is located between the first I-steel of polylith all have the second I-steel along horizontal welding, the bottom of decorative pattern steel sheet vertically still welds along the bridge floor has a plurality of third I-steel, decorative pattern steel sheet top both sides all have the side guardrail along the vertical fixedly connected with of bridge floor.

The utility model discloses a steel temporary bridge, wherein, the cross section of bottom plate and decorative pattern steel sheet all is the arc, and the height that highly is higher than left and right both sides at bottom plate and decorative pattern steel sheet cross section middle part, and the slope of bottom plate and decorative pattern steel sheet middle part and both sides is 1.5% -2%.

The utility model discloses a steel temporary bridge, wherein, the left and right both sides of decorative pattern steel sheet bottom are all fixedly connected with the side piece, the top level of side piece is along vertically seting up flutedly, the bottom of this recess inner chamber is fixedly connected with the filter screen, the bottom of filter screen is the arc surface, the bottom of side piece is fixed the intercommunication has the honeycomb duct; the left side and the right side of the bottom plate are both fixedly connected with water storage tanks, and the bottoms of the water storage tanks are communicated with drain pipes; one end of the flow guide pipe is communicated with the water discharge pipe after being bent.

The utility model discloses a steel temporary bridge, wherein, first I-steel is 63C I-steel.

The utility model discloses a steel temporary bridge, wherein, the second I-steel is 20B I-steel.

The utility model discloses a steel temporary bridge, wherein, the third I-steel is number 12I-steel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. through the design of the structures such as the bottom plate, the first I-steel, the second I-steel and the third I-steel, the I-steel has good impact resistance and abrasion resistance, and the performance of the I-steel is stronger than that of substitutes made of other materials, so that the bridge has good stability, and the first I-steel, the second I-steel and the third I-steel are designed into a staggered shape, so that a better supporting effect can be achieved on the patterned steel plate, the effect of reducing the vibration amplitude of the whole bridge is achieved, the transverse offset of different structural layers of the bridge due to vibration is avoided, and the potential safety hazard is reduced; simultaneously, the bridge deck structure in the design adopts a prestressed structure, so that the gravity influence of the bridge deck can be counteracted more, and the effect of prolonging the service life of the bridge is achieved. The utility model effectively solves the problem of large vibration amplitude when the existing steel bridge is driven; by adopting the steel pipe bottom piles and the I-shaped steel, part of steel can be saved and the cost is reduced under the condition of meeting the bearing and anti-seismic requirements of the bridge.

2. The utility model discloses simultaneously through the water storage box, the side piece, recess and the filter screen of design, cooperate the cambered surface structure of decorative pattern steel sheet, can effectually carry out the water conservancy diversion with the rainwater on the bridge floor and collect, can collect the rainwater in the water storage box, accomplished the purpose of make full use of the water resource; through the decorative pattern steel sheet of design, can increase the frictional force of bridge floor, avoid rainy day to skid, guarantee that pedestrian's walking or vehicle are safer when traveling.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic cross-sectional structure diagram of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is a schematic top view of the pattern steel plate.

In the figure: 1. piling at the bottom of a steel pipe; 101. a base plate; 2. a first I-steel; 3. a patterned steel plate; 4. a second I-steel; 5. side guardrails; 6. a water storage tank; 7. a drain pipe; 8. a flow guide pipe; 9. a side block; 91. a groove; 92. a filter screen; 10. and a third I-shaped steel.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a steel temporary bridge, which includes a steel pipe bottom pile 1, the steel pipe bottom piles 1 are transversely provided with three steel pipe bottom piles 1, a plurality of steel pipe bottom piles are longitudinally provided, the tops of the steel pipe bottom piles 1 are welded with a bottom plate 101, the bottom plate 101 extends along the horizontal longitudinal direction, six first I-shaped steels 2 are welded at the top of the bottom plate 101, the first I-shaped steel 2 is longitudinally distributed on the bottom plate 101 along the bridge floor, the tops of the six first I-shaped steel 2 are welded with the pattern steel plates 3, second I-shaped steels 4 are welded at the bottom of the patterned steel plate 3 and between the first I-shaped steels 2 along the transverse direction, the second I-shaped steel 4 is arranged at the bottom of the patterned steel plate 3 at the same time along the longitudinal direction at equal intervals, a plurality of third I-shaped steels 10 are further welded at the bottom of the patterned steel plate 3 along the longitudinal direction of the bridge deck, and the two sides of the top of the patterned steel plate 3 are fixedly connected with side guardrails 5 along the longitudinal direction of the bridge deck.

The cross sections of the bottom plate 101 and the patterned steel plate 3 are both arc-shaped, the middle parts of the cross sections of the bottom plate 101 and the patterned steel plate 3 are higher than the left side and the right side, and the slopes of the middle parts and the two sides of the bottom plate 101 and the patterned steel plate 3 are both 1.5% -2%; this design can be favorable to the rainwater to flow from the middle part toward both sides, can increase the frictional force of bridge floor simultaneously, and is safer when guaranteeing pedestrian's walking or vehicle and traveling.

The left side and the right side of the bottom of the figured steel plate 3 are fixedly connected with side blocks 9, the top of each side block 9 is horizontally provided with a groove 91 along the longitudinal direction, the bottom of an inner cavity of each groove 91 is fixedly connected with a filter screen 92, the bottom of each filter screen 92 is an arc surface, and the bottom of each side block 9 is fixedly communicated with a flow guide pipe 8; the left side and the right side of the bottom plate 101 are both fixedly connected with a water storage tank 6, and the bottom of the water storage tank 6 is communicated with a drain pipe 7; one end of the draft tube 8 is communicated with the drain pipe 7 after being bent; through the water storage box 6, the side piece 9, the recess 91 and the filter screen 92 of design, the cambered surface structure of cooperation decorative pattern steel sheet 3 can be effectual carries out the water conservancy diversion with the rainwater on the bridge floor and collects, can collect the rainwater in water storage box 6, has accomplished the purpose of make full use of water resource.

The first I-beam 2 is 63C I-beam.

The second i-beam 4 is a 20B i-beam.

The third i-steel 10 is a 12 # i-steel.

When the utility model is used (working principle), the first I-steel 2, the second I-steel 4 and the third I-steel 10 are designed into a staggered shape, and because the I-steels have good impact resistance and abrasion resistance, and the performance is stronger than that of substitutes made of other materials, the bridge can have good stability, thereby having better supporting effect on the patterned steel plate 3, reducing the vibration frequency of the whole bridge, avoiding the bridge from generating transverse offset due to vibration, reducing the potential safety hazard, and simultaneously, the bridge deck structure adopts a prestressed structure, being capable of offsetting the gravity influence of the bridge deck more, thereby having the effect of prolonging the service life of the bridge;

when the steel pattern plate 3 is used for water accumulation, the middle part of the steel pattern plate 3 is high, and the two sides of the steel pattern plate 3 are low, so that rainwater on the steel pattern plate 3 can obliquely flow into the groove 91 of the side block 9, at the moment, crushed stone leaves or other garbage are blocked by the filter screen 92, and the filtered rainwater flows into the water storage tank 6 from the flow guide pipe 8 and is collected and stored.

It should be noted that one water storage tank 6 corresponds to one flow guide pipe 8, and a set of water storage mechanism can be arranged at intervals on the bridge; the water in the water storage tank 6 can be used for irrigating crops, and when the water storage tank is needed, people can take out the water in the water storage tank 6 only by connecting the water pumping device to the water drainage pipe 7.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or variation made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a steel temporary bridge, includes many steel pipe foundation piles (1), its characterized in that: many the top fixedly connected with bottom plate (101) of steel pipe foundation pile (1), a plurality of first I-steel (2) of top fixedly connected with of bottom plate (101), this first I-steel (2) are along bridge floor longitudinal distribution on bottom plate (101), the top fixedly connected with of first I-steel (2) has decorative pattern steel sheet (3), and the bottom of this decorative pattern steel sheet (3) and the position that is located between the first I-steel (2) of polylith all have second I-steel (4) along horizontal welding, the bottom of decorative pattern steel sheet (3) is vertically still welded along the bridge floor has a plurality of third I-steel (10), the vertical fixedly connected with side guardrail (5) of bridge floor is all followed to decorative pattern steel sheet (3) top both sides.

2. The steel access bridge of claim 1, wherein: the cross sections of the bottom plate (101) and the patterned steel plate (3) are arc-shaped, the middle parts of the cross sections of the bottom plate (101) and the patterned steel plate (3) are higher than the left side and the right side, and the slopes of the middle parts and the two sides of the bottom plate (101) and the patterned steel plate (3) are 1.5% -2%.

3. The steel access bridge of claim 1, wherein: the left side and the right side of the bottom of the patterned steel plate (3) are fixedly connected with side blocks (9), the top of each side block (9) is horizontally provided with a groove (91) along the longitudinal direction, the bottom of an inner cavity of each groove (91) is fixedly connected with a filter screen (92), the bottom of each filter screen (92) is an arc surface, and the bottom of each side block (9) is fixedly communicated with a flow guide pipe (8); the left side and the right side of the bottom plate (101) are both fixedly connected with a water storage tank (6), and the bottom of the water storage tank (6) is communicated with a drain pipe (7); one end of the draft tube (8) is communicated with the drain pipe (7) after being bent.

4. The steel access bridge of claim 1, wherein: the first I-shaped steel (2) is 63C I-shaped steel.

5. The steel access bridge of claim 1, wherein: the second I-shaped steel (4) is 20B I-shaped steel.

6. The steel access bridge of claim 1, wherein: the third I-beam (10) is a No. 12I-beam.