CN211689839U - Closed bridge - Google Patents

Abstract

The utility model provides a closed bridge, including two at least piers, be equipped with the axle body on the pier, be equipped with curved layer board between the pier, layer board top and axle body contact are in order to make progress the top and push away the axle body, the opening direction of layer board is down, the layer board both ends are equipped with the connecting plate with adjacent pier fixed connection for solve the technical problem of great span bridge axle body tenesmus.

Description

Closed bridge

Technical Field

The utility model relates to a closed bridge.

Background

In the construction of highways, railways, cities and water conservancy, a building structure is built for crossing various obstacles (such as rivers, valleys or other routes) and is called a bridge.

The large-span bridge, as the name implies is exactly the great bridge of span, and the distance between its two piers is longer, leads to the bridge body tenesmus range great, leads to the bridge body fracture to collapse easily under the influence of bridge body dead weight, causes the incident.

SUMMERY OF THE UTILITY MODEL

The utility model provides a closed bridge to solve the technical problem that great span bridge shaft bridge body is tenesmic.

The technical scheme of the utility model is realized like this: the utility model provides a closed bridge, includes two at least piers, is equipped with the bridge body on the pier, be equipped with curved layer board between the pier, layer board top and bridge body contact are in order upwards to push away the bridge body, the opening direction of layer board is down, the layer board both ends are equipped with the connecting plate with adjacent pier fixed connection.

Further, a fixed seat is arranged below the pier, a sliding groove is formed in the upper end of the fixed seat, and a protruding block matched with the sliding groove to slide in the sliding groove is arranged at the lower end of the pier.

Furthermore, a connecting column is arranged between the two adjacent piers so as to keep the piers in a vertical state when the bridge body expands.

Furthermore, the bridge body is provided with a railing.

Furthermore, the sliding groove is a rectangular groove, and the protruding block is a rectangular block.

Furthermore, the height of the rectangular block is lower than the depth of the rectangular groove, so that the contact area between the pier and the fixed seat is ensured.

Furthermore, the connecting column is cylindrical.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a be equipped with curved layer board between the adjacent pier of closed bridge, layer board top and bridge body contact are in order upwards to push away the bridge body, provide ascending fulcrum for the middle part of the bridge body between the adjacent pier, avoid leading to the bridge body fracture to collapse because of bridge body tenesmus range is great.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the closed bridge of the present invention;

fig. 2 is a front view of the closed bridge of the present invention;

fig. 3 is a left side view of the closed bridge of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment 1 of a closed bridge comprises at least two piers 1, bridge bodies 2 are arranged on the piers, arc-shaped supporting plates 3 are arranged between the piers, the top ends of the supporting plates are in contact with the bridge bodies to push the bridge bodies upwards, the opening directions of the supporting plates face downwards, and connecting plates 4 fixedly connected with adjacent piers are arranged at two ends of each supporting plate.

An embodiment 2 of a closed bridge comprises at least two piers 1, bridge bodies 2 are arranged on the piers, arc-shaped supporting plates 3 are arranged between the piers, the top ends of the supporting plates are in contact with the bridge bodies to upwards push the bridge bodies, the opening directions of the supporting plates face downwards, connecting plates 4 fixedly connected with adjacent piers are arranged at two ends of each supporting plate, fixing seats 5 are arranged below the piers, sliding grooves 6 are arranged at the upper ends of the fixing seats, and convex blocks 7 matched with the sliding grooves to slide in the sliding grooves are arranged at the lower ends of the piers.

A closed bridge embodiment 3 is shown in figures 1-3, and comprises at least two bridge piers 1, each bridge pier is provided with a bridge body 2, an arc-shaped supporting plate 3 is arranged between the bridge piers, the top end of the supporting plate is contacted with the bridge body to push the bridge body upwards, the opening direction of the supporting plate faces downwards, two ends of the supporting plate are provided with connecting plates 4 fixedly connected with adjacent bridge piers, a fixed seat 5 is arranged below each bridge pier, the upper end of the fixed seat is provided with a chute 6, the lower end of each bridge pier is provided with a lug 7 matched with the chute to slide in the chute, a connecting column 8 is arranged between two adjacent bridge piers, the bridge body is arranged above each bridge pier and is not fixedly connected with each bridge pier, namely, the bridge body can horizontally slide relative to each bridge pier, when the bridge body expands with heat and contracts with cold, the bridge body drives the upper end of each bridge pier to, the sliding of the convex block in the sliding groove is facilitated.

The utility model provides a closed bridge embodiment 4, as shown in fig. 1-3, including two at least piers 1, be equipped with bridge 2 on the pier, be equipped with curved layer board 3 between the pier, layer board top and bridge contact are in order to upwards push away the bridge, the opening direction of layer board is down, the layer board both ends are equipped with the connecting plate 4 with adjacent pier fixed connection, the pier below is equipped with fixing base 5, the fixing base upper end is equipped with spout 6, the pier lower extreme is equipped with spout cooperation in order to slide lug 7 in the spout, be equipped with spliced pole 8 between two adjacent piers in order to keep the vertical state of pier when the bridge expands, the bridge is equipped with railing 9, the spout is the rectangular channel, the lug is the rectangular channel, the rectangular channel degree of depth is less than to guarantee the area of contact of pier and cylindric.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a closed bridge, includes two at least piers, is equipped with the bridge body on the pier, its characterized in that, be equipped with curved layer board between the pier, the layer board top is in order to upwards push away the bridge body with the bridge body contact, the opening direction of layer board is down, the layer board both ends are equipped with the connecting plate with adjacent pier fixed connection.

2. The closed bridge according to claim 1, wherein a fixed seat is arranged below the bridge pier, a sliding groove is arranged at the upper end of the fixed seat, and a convex block matched with the sliding groove to slide in the sliding groove is arranged at the lower end of the bridge pier.

3. The enclosed bridge according to claim 2, wherein a connecting column is provided between the adjacent two piers to maintain the piers in a vertical state when the bridge body is expanded.

4. The enclosed bridge according to claim 3, wherein the bridge body is provided with a railing.

5. The enclosed bridge of claim 4, wherein the sliding slot is a rectangular slot and the protrusion is a rectangular block.

6. The closed bridge girder according to claim 5, wherein the height of the rectangular block is lower than the depth of the rectangular groove to ensure the contact area between the pier and the fixed base.

7. The enclosed bridge of claim 6, wherein the connecting columns are cylindrical.

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