CN220746549U - Urban pedestrian overpass - Google Patents

Abstract

The utility model relates to an urban pedestrian overpass, which comprises a bridge body, wherein the two sides of the bridge body are respectively provided with a ladder way, the ladder ways adopt spiral ladder ways which extend from the end parts of the bridge body to the ground, the axes of cylindrical surfaces where distribution spiral lines corresponding to the spiral ladder ways are located are vertically arranged, the inner space of each spiral ladder way is provided with pier columns, the pier columns are fixed with one ends of a plurality of supporting beams, and the other ends of the supporting beams are fixed with the bottom surfaces of the ladder ways to support the ladder ways.

Description

Urban pedestrian overpass

Technical Field

The utility model relates to the technical field of municipal facilities, in particular to an urban pedestrian overpass.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The pedestrian overpass is generally built on a section or intersection, square and railway with large traffic and dense pedestrians, only allows pedestrians to pass through, is used for avoiding collision when traffic and a traffic plane intersect, ensures the pedestrians to pass through the road safely, and further can enable the road to improve the speed and reduce traffic accidents, for example, patent application CN113818325A discloses a pedestrian overpass which comprises a bridge body structure and a ladder way positioned on two sides of the bridge body structure, the ladder way is supported by a plurality of piers, and the inventor finds that the adoption of the straight ladder way in the patent needs to be provided with a plurality of pier studs for supporting, occupies a larger space, has poor landscape effect, and also has the same problems of adopting a fold-line ladder way in the existing overpass.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides the urban pedestrian overpass, which reduces the arrangement of pier columns and the occupied space of a ladder way.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the embodiment of the utility model provides an urban pedestrian overpass, which comprises a bridge body, wherein the two sides of the bridge body are respectively provided with a stair way, the stair ways are spiral stair ways extending from the end parts of the bridge body to the ground, the axes of cylindrical surfaces where distribution spiral lines corresponding to the spiral stair ways are located are vertically arranged, the inner space of each spiral stair way is provided with a pier column, the pier columns are fixed with one ends of a plurality of supporting beams, and the other ends of the supporting beams are fixed with the bottom surfaces of the stair ways to support the stair ways.

Optionally, the bench includes a plurality of ladder steps and platform sections of setting up in turn, and the ladder section personally submits setting up the acute angle with the horizontal plane and just is equipped with a plurality of ladders, platform section upper surface is the plane parallel with the horizontal plane.

Optionally, the axis of the pier stud and the axis of the cylindrical surface where the spiral lines of the spiral ladder are arranged in a collinear manner.

Optionally, the pier stud adopts a steel tube concrete structure.

Optionally, the pier column is provided with an extension beam corresponding to the supporting beam, and the pier column is fixedly connected with the supporting beam through the extension beam.

Optionally, the bridge structure tip is equipped with the support, and the support is connected with the bench top in order to support the bench.

Optionally, the stair path bottom is connected with the ladder foot, and the ladder foot is used for fixing at ground basis.

Optionally, the ladder foot adopts the concrete ladder foot, and the concrete ladder foot is used for burying in ground basis.

Optionally, a diagonal bracing beam is arranged between the pier column and the supporting beam.

Optionally, the plurality of support beams are equally spaced along the circumference of the pier column.

The beneficial effects of the utility model are as follows:

1. the urban pedestrian overpass adopts the spiral ladder way, and only one pier column is arranged at the middle part of the ladder way, and the pier column supports the ladder way through a plurality of supporting beams, so that the occupied space under the bridge is reduced, particularly the occupation of a pavement area is reduced, and the urban land is effectively utilized in an intensive manner.

2. The urban pedestrian overpass adopts the spiral ladder way, the supporting beams are arranged at equal intervals along the circumferential direction of the pier stud, the overhead depression is regarded as a circular ring structure, the supporting beams are distributed in a symmetrical mode, and the urban pedestrian overpass has outstanding modeling advantages in urban areas with higher landscape requirements.

3. According to the urban pedestrian overpass disclosed by the utility model, the supporting beams are arranged at equal intervals along the circumferential direction of the pier column, the supporting beams are used for symmetrically transmitting the ladder path load to the pier column, the pier column is ensured to approach to the axle center stress component, the reasonable stress of the pier column is ensured, and the maintenance frequency is reduced.

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 embodiments of the application and together with the description serve to explain the application and do not limit the application.

FIG. 1 is a top view showing the overall structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing the assembly of a support beam and pier stud in accordance with the present utility model in accordance with example 1;

FIG. 3 is a schematic view of the front half of the lane of the present utility model after being extended;

FIG. 4 is a schematic view of the second half of the lane of the present utility model after deployment;

the bridge comprises a bridge body 1, pier columns 2, supporting beams 3, extension beams 4, diagonal bracing beams 5, step sections 6, platform sections 7 and concrete ladder feet 8.

Detailed Description

Example 1

The embodiment provides an urban pedestrian overpass, as shown in fig. 1-4, comprising a bridge body 1, wherein the bridge body 1 is in a bridge body structure of the existing overpass, the two sides of the bridge body 1 are provided with terraces, and in the embodiment, only the structures of the terraces are improved.

The ladder way adopts a spiral ladder way extending from the end part of the bridge body to the ground, namely, the distribution track of the ladder way is a spiral line, and the axis of the cylindrical surface where the distribution spiral line of the ladder way is located is vertically arranged. The ladder way is in a circular ring structure when overlooked from the air.

The top of the bench is connected with the end of the bridge body, specifically, the end of the bridge body is provided with a support, the top of the bench is connected with the bridge body through the support, and the connection mode of the bench and the bridge body in the existing pedestrian overpass is adopted, and no further detailed description is given here.

The inside of echelon is provided with pier stud 2, and pier stud 2 sets up the inside at the cylindrical surface that the distribution helix of echelon is located promptly, and the axis of pier stud 2 and the axis collineation setting of cylindrical surface.

The bottom of pier stud 2 is used for fixed with ground basis.

The cross section of the pier stud 2 is circular or square or other shapes, and can be set according to actual needs by a person skilled in the art, preferably, the cross section of the pier stud 2 is circular, and the pier stud 2 is of a cylindrical structure.

In this embodiment, the pier stud 2 is a steel pipe concrete pier stud, and comprises a steel pipe, and the inside of the steel pipe is filled with shrinkage-free concrete, so that the pier stud has higher structural strength and is convenient to be connected with the supporting beam 3.

The outer surface of pier stud 2 is provided with a plurality of supporting beams 3, and a supporting beam 3 end is fixed with pier stud 2, and the other end is fixed with the bottom surface of echelon for support the echelon.

In this embodiment, four support beams 3 are provided, and the four support beams 3 are equally spaced along the circumferential direction of the pier stud 2, i.e., the four support beams 3 are provided at 90 ° intervals along the circumferential direction of the pier stud 2. The supporting beam 3 symmetrically transmits the ladder way load to the pier stud, so that the pier stud is ensured to be close to the axle center stress component, the pier stud is ensured to be stressed reasonably, and the maintenance frequency is reduced.

In the embodiment, the outer surface of the pier stud 2 is provided with an extension beam 4, the extension beam 4 is fixed with the end part of the supporting beam 3, so as to realize the fixation of the pier stud 2 and the supporting beam 3,

the extension beam 4 and the support beam 3 are fixed by adopting a flange plate and bolts or by adopting a welding mode, and can be set according to actual needs by a person skilled in the art.

The echelon adopts spiral echelon to only set up a pier stud 2 in its inside, pier stud 2 supports the echelon through supporting beam 3, has reduced the space of occupation of land under the bridge especially reduced occupation to the pavement region, produces beneficial effect to the intensive utilization of urban land, and supporting beam 3 sets up along pier stud hoop equidistant moreover, and the sky is pronged as the ring structure, and supporting beam 3 is the cross symmetry form and distributes, has comparatively outstanding molding advantage in the urban that the view requires relatively high.

In order to ensure the bearing capacity of the supporting beam 3, an inclined supporting beam 5 is arranged between the supporting beam 3 and the pier column 2, one end of the inclined supporting beam 5 is welded and fixed with the supporting beam 3, and the other end of the inclined supporting beam is fixed with the pier column 2 through an extension beam arranged on the pier column 2.

The stair path comprises a plurality of stair sections 6 and platform sections 7 which are alternately arranged, wherein the stair sections 6 are arranged at a set acute angle with the horizontal plane and are provided with a plurality of stairs, and the upper surface and the lower surface of the platform sections 7 are planes parallel to the horizontal plane, so that the vertical height of the platform sections 7 is not changed.

In this embodiment, in order to facilitate the fixation of the support beam 3 to the tread, the support beam 3 is fixed to the bottom surface of the platform section 7.

In the ladder way, one section at the lowest end is a platform section 7, the end part of the platform section 7 is connected with ladder feet, and the ladder feet are used for being fixed with a ground foundation.

In this embodiment, the ladder foot adopts concrete ladder foot 8, and concrete ladder foot 8 top one side is equipped with the recess, is provided with the support in the recess, and the bottom of ladder way passes through the support to be connected with concrete ladder foot 8, and support 8 adopts current structure can, and not described in detail here, and the rest of concrete ladder foot 8 top is the ladder structure, and the concrete ladder foot 8 part of ladder structure lower part is used for burying inside the soil body of ground basis to realize fixing to the concrete ladder foot.

In this embodiment, the lane includes multiple sections, using ^{Worker's work} The construction mode of prefabricating the sections of the factory and welding the sections on site reduces the influence on traffic.

Other structures of the urban pedestrian overpass in this embodiment may be structures of existing overpasses, and will not be described in detail herein.

While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.

Claims (10)

1. The utility model provides a city pedestrian overpass, includes the bridge, and the both sides of bridge all are provided with the echelon, and its characterized in that, the echelon adopts the spiral echelon that extends to ground by the bridge tip, and the vertical setting of cylindrical surface axis that the distribution helix that the spiral echelon corresponds is located, and the inner space of spiral echelon is provided with the pier stud, and pier stud and a plurality of supporting beam's one end are fixed, and the other end of supporting beam is fixed with the bottom surface of echelon in order to support the echelon.

2. The urban pedestrian overpass of claim 1, wherein the tread comprises a plurality of alternately disposed tread segments disposed at a set acute angle to the horizontal and having a plurality of steps, the upper surface of the tread segments being a plane parallel to the horizontal.

3. The urban pedestrian overpass of claim 1 wherein the pier axis is disposed collinear with the axis of the cylindrical surface on which the spiral profile of the spiral flight is disposed.

4. The urban pedestrian overpass of claim 1, wherein the pier stud is of a concrete-filled steel tube construction.

5. The urban pedestrian overpass of claim 1, wherein the pier is provided with an extension beam corresponding to the support beam, the pier being fixedly connected to the support beam by the extension beam.

6. An urban pedestrian overpass as claimed in claim 1 wherein the bridge body has a seat at an end portion thereof, the seat being connected to the top of the runway to support the runway.

7. The urban pedestrian overpass of claim 1 wherein the tread is connected to tread for attachment to a ground foundation.

8. The urban pedestrian overpass of claim 7 wherein said foot is a concrete foot for embedding in a ground foundation.

9. The urban pedestrian overpass of claim 1, wherein diagonal bracing beams are disposed between the pier studs and the support beams.

10. The urban pedestrian overpass of claim 1, wherein the plurality of support beams are equally spaced circumferentially about the pier column.