Anti-collision steel box girder for bridge pier

Abstract

The utility model provides an anti-collision steel box girder for a pier. The anti-collision steel box girder comprises a steel box girder body and a connecting structure, the steel box girder body is vertically arranged between two adjacent bridge piers; the end parts of the steel box girder body are respectively arranged on the corresponding piers through connecting structures; the connecting structure comprises a connecting shaft and two connecting pieces; wherein one connecting piece is installed on the pier, and the other connecting piece is installed on the steel box girder body. The two connecting pieces are hinged to each other through a connecting shaft, and the connecting shaft is arranged in the length direction of the pier. The steel box girder body is installed on the two adjacent bridge piers through the connecting structure, so that transverse acting force generated by ship collision can be transmitted, and the integrity of a pier body is improved; the steel box girder body is hinged to the bridge piers through the two connecting pieces, so that different forces generated by different bridges can be released, for example, the forces generated when a light rail travels, and the other two bridges are not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge pier anti -collision technical field, concretely relates to a bridge pier anti -collision steel box girder. BACKGROUND

[0002] As a low cost, large volume transportation mode, shipping has always accounted for a large proportion in transportation, and with the continuous development of transportation industry, a large number of bridges, especially large bridges across the sea, across the river, are continuously built, and the rivers, the sea areas where these bridges are located are mostly mature shipping lanes, the transportation is busy, and the bridges inevitably bear the risk of ship collision under the influence of typhoon, flood and other complex conditions.

[0003] Therefore, the anti-collision design is particularly important, and the bridge pier anti-collision is a key link. However, the existing bridge has single function, does not have anti-collision mechanism, and is easy to collide with ships on the river surface, thereby causing damage to the bridge pier. UTILITY MODEL CONTENT

[0004] In view of the above problems existing in the prior art, the technical problem to be solved by the utility model is that the existing bridge has single function, does not have anti-collision mechanism, and is easy to collide with ships on the river surface, thereby causing damage to the bridge pier.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a bridge pier anti-collision steel box girder, comprising: a steel box girder body and a connecting structure.

[0006] The steel box girder body is vertically arranged between two adjacent bridge piers; the ends of the steel box girder body are respectively installed on the corresponding bridge piers through the connecting structure;

[0007] The connecting structure comprises a connecting shaft and two connecting pieces; one of the connecting pieces is installed on the bridge pier, and the other connecting piece is installed on the steel box girder body; the two connecting pieces are hingedly connected through the connecting shaft, and the connecting shaft is arranged along the length of the bridge pier.

[0008] Preferably, each connecting piece comprises an ear plate and a support plate; two mutually parallel ear plates are provided with an axle hole through which the connecting shaft passes; a plurality of support plates are vertically arranged between the two ear plates, and the plurality of support plates are fixedly connected with the two ear plates;

[0009] The two ear plates of one of the connecting pieces are arranged outside the two ear plates of the other connecting piece, so that the axle holes on the four ear plates are located on the same axis.

[0010] Preferably, the two ear plates are arranged in the shape of an isosceles triangle.

[0011] Preferably, the connecting structure further comprises: a clamping plate; two ends of the connecting shaft are respectively provided with a clamping groove perpendicular to the axis of the connecting shaft, and the clamping groove is matched with the clamping plate; the clamping plate corresponds to the clamping groove one by one, and the clamping plate is clamped in the clamping groove; and the clamping plate is fixedly installed on the outer side of the lug plate.

[0012] Preferably, the connecting structure further comprises: a sleeve arranged on the connecting shaft; the sleeve is coaxially arranged with the shaft hole, and the sleeve is fixedly installed on the two lug plates on the inner side.

[0013] Preferably, the connecting structure further comprises: a sleeve arranged on the connecting shaft; the sleeve is coaxially arranged with the shaft hole, and the sleeve is fixedly installed on the two lug plates on the inner side.

[0014] Preferably, the connecting structure further comprises: a sleeve arranged on the connecting shaft; the sleeve is coaxially arranged with the shaft hole, and the sleeve is fixedly installed on the two lug plates on the inner side.

[0015] Preferably, the connecting structure further comprises: a sleeve arranged on the connecting shaft; the sleeve is coaxially arranged with the shaft hole, and the sleeve is fixedly installed on the two lug plates on the inner side.

[0016] Preferably, the connecting structure further comprises: a sleeve arranged on the connecting shaft; the sleeve is coaxially arranged with the shaft hole, and the sleeve is fixedly installed on the two lug plates on the inner side.

[0017] Preferably, the connecting structure further comprises: a sleeve arranged on the connecting shaft; the sleeve is coaxially arranged with the shaft hole, and the sleeve is fixedly installed on the two lug plates on the inner side.

[0018] Compared with the prior art, the utility model has at least the following advantages:

[0019] In the utility model, the steel box girder body is installed on two adjacent piers through the connecting structure, so that the transverse force of the ship impact can be transmitted, and the integrity of the pier body is improved; and the steel box girder body is hinged to the piers through two connecting pieces, so that different forces generated by different bridges can be released, for example, the force generated by the light rail running, without affecting the other two bridges. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the specific embodiment. In all the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0021] Fig. 1 A front view of the pier anti-collision steel box girder provided in the embodiment of the utility model.

[0022] Fig. 2 A front view of the connecting structure provided in the embodiment of the utility model.

[0023] Fig. 3 A top view of the connecting structure provided in the embodiment of the utility model.

[0024] Reference signs:

[0025] 10-steel box girder body;

[0026] 20-connection structure, 21-connection shaft, 22-ear plate, 23-support plate, 24-shaft hole, 25-clamping plate, 26-clamping groove, 27-bottom plate, 28-stiffener, 29-sleeve. DETAILED DESCRIPTION

[0027] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, therefore only as an example, and cannot limit the protection scope of the utility model.

[0028] In the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0029] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Referring to Figs. 1-3 The utility model provides an embodiment: a bridge pier anti-collision steel box girder, include: steel box girder body 10 and connection structure 20, steel box girder body 10 is vertically arranged between two adjacent bridge piers, the end of steel box girder body 10 is installed on the corresponding bridge pier through connection structure 20 respectively, connection structure 20 includes: connecting shaft 21 and two connecting pieces, one of connecting pieces is installed on the bridge pier, and the other connecting piece is installed on steel box girder body 10, and the two connecting pieces are hinged to each other through connecting shaft 21, and connecting shaft 21 is arranged along the length of the bridge pier.

[0031] In the embodiment, the steel box girder body 10 is installed on two adjacent piers through the connecting structure 20, so that the lateral force caused by the collision of a ship can be transmitted, and the integrity of the pier body is improved; and the steel box girder body 10 is hinged to the piers through two connecting members, so that different forces generated by different bridges, such as the force generated by the running of a light rail, can be released without affecting the other two bridges.

[0032] Referring to Figs. 1-3 In other embodiments, each connecting member comprises: an ear plate 22 and a support plate 23; two ear plates 22 are provided in parallel, and an axle hole 24 is formed in each ear plate 22 for the connecting axle 21 to pass through; a plurality of support plates 23 are vertically arranged between the two ear plates 22, and the plurality of support plates 23 are fixedly connected with the two ear plates 22; the two ear plates 22 of one connecting member are arranged outside the two ear plates 22 of the other connecting member, so that the axle holes 24 on the four ear plates 22 are located on the same axis. In the embodiment, the connecting axle 21 is inserted into the axle hole 24, so as to realize the hinge connection between the two connecting members; and the plurality of support plates 23 support the two parallel ear plates 22, so as to improve the strength of the two ear plates 22. Further, the two ear plates 22 are arranged in the shape of an isosceles triangle; in this way, the consumption of materials of the two ear plates 22 is reduced; specifically, the long side of the ear plate 22 is welded to the bottom plate 27.

[0033] Referring to Figs. 1-3 In other embodiments, the connecting structure 20 further comprises: a clamping plate 25; the two ends of the connecting axle 21 are respectively provided with a clamping groove 26 perpendicular to the axis of the connecting axle 21, and the clamping groove 26 is matched with the clamping plate 25; the clamping plate 25 corresponds to the clamping groove 26 one by one, and the clamping plate 25 is clamped in the clamping groove 26, and the clamping plate 25 is fixedly installed on the outer ear plate 22. In the embodiment, after the connecting axle 21 is installed, the clamping plate 25 is clamped into the corresponding clamping groove 26, and then the clamping plate 25 is welded to the outer ear plate 22, so as to conveniently and quickly complete the installation of the connecting axle 21; the connecting axle 21 cannot rotate relative to the two outer ear plates 22, and only the two inner ear plates 22 rotate on the connecting axle 21. Further, the connecting structure 20 further comprises: a sleeve 29 sleeved on the connecting axle 21; the sleeve 29 is coaxially arranged with the axle hole 24, and the sleeve 29 is fixedly installed on the two inner ear plates 22; through the arrangement of the sleeve 29, the two inner ear plates 22 drive the sleeve 29 to rotate on the connecting axle 21, so as to increase the contact area between the two inner ear plates 22 and the connecting axle 21, thereby prolonging the service life of the two inner ear plates 22.

[0034] Referring to Figs. 1-3In other embodiments, the connecting piece mounted on the pier further comprises a bottom plate 27, a plurality of mounting holes are evenly arranged in the circumferential direction of the bottom plate 27, and the ear plate 22 and the support plate 23 are both fixedly mounted on the bottom plate 27, and the bottom plate 27, the ear plate 22 and the support plate 23 are perpendicular to each other. In specific implementation, the bottom plate 27 is fixedly mounted on the pier by a plurality of bolts passing through the mounting holes, so as to mount the connecting piece on the pier; and the other connecting piece is directly welded on the end of the steel box girder body 10. Further, the reinforcing pieces 28 are mounted between the ear plate 22 and the bottom plate 27, and between the support plate 23 and the bottom plate 27; and the reinforcing pieces 28 are used to improve the connection strength between the ear plate 22 and the bottom plate 27, and between the support plate 23 and the bottom plate 27.

[0035] Referring to Figs. 1-3 In other embodiments, the steel box girder body 10 is spliced by a plurality of segments; in specific implementation, in order to facilitate the transportation of the steel box girder body 10, the steel box girder body 10 is arranged in a plurality of segments, and the segments are spliced by splicing plates and bolts.

[0036] Referring to Figs. 1-3 In still another embodiment, a manhole is arranged on the steel box girder body 10; the manhole is arranged to facilitate the installation of the steel box girder body 10 by workers; further, the manhole is arranged below the steel box girder body 10; so as to effectively prevent water from entering the steel box girder body 10.

[0037] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be covered in the scope of the claims and the specification of the present application.

Claims

1. A pier anti-collision steel box girder, characterized in that, The utility model relates to a steel box girder body and connecting structure, and belongs to the field of bridge construction. The steel box girder body is vertically arranged between two adjacent piers. The end of the steel box girder body is respectively installed on the corresponding pier through the connecting structure. The connecting structure comprises a connecting shaft and two connecting pieces. One of the connecting pieces is installed on the pier, and the other is installed on the steel box girder body. The two connecting pieces are hingedly connected through the connecting shaft, and the connecting shaft is arranged along the length of the pier.

2. The pier anti-collision steel box girder according to claim 1, characterized in that, Each connecting piece comprises an ear plate and a support plate. Two parallel ear plates are provided, and an axle hole is formed in the ear plate for the connecting shaft to pass through.

3. The pier anti-collision steel box girder according to claim 2, characterized in that, A plurality of support plates are vertically arranged between the two ear plates, and the support plates are fixedly connected to the ear plates.

4. The pier anti-collision steel box girder according to claim 2, characterized in that, The two ear plates of one connecting piece are arranged outside the two ear plates of the other connecting piece, so that the axle holes on the four ear plates are located on the same axis.

5. The pier anti-collision steel box girder according to claim 4, characterized in that, The two ear plates are arranged in an isosceles triangle shape.

6. The pier anti-collision steel box girder according to claim 2, characterized in that, The connecting structure further comprises a clamping plate.

7. The pier anti-collision steel box girder according to claim 6, characterized in that, The two ends of the connecting shaft are respectively provided with a clamping groove perpendicular to the axis of the connecting shaft, and the clamping groove is matched with the clamping plate.

8. The pier anti-collision steel box girder according to claim 1, characterized in that, The clamping plate is fixedly installed on the outer ear plate.

9. The pier anti-collision steel box girder according to claim 1, characterized in that, The connecting structure further comprises a sleeve arranged on the connecting shaft.

10. The pier anti-collision steel box girder according to claim 9, characterized in that, The sleeve is coaxially arranged with the axle hole, and the sleeve is fixedly installed on the inner two ear plates. The connecting piece installed on the pier further comprises a bottom plate. A plurality of mounting holes are uniformly formed in the circumferential direction of the bottom plate. The ear plate and the support plate are fixedly installed on the bottom plate, and the bottom plate, the ear plate and the support plate are arranged perpendicular to each other. A reinforcing piece is installed between the ear plate and the bottom plate, and between the support plate and the bottom plate. The steel box girder body is composed of a plurality of segments. A manhole is formed in the steel box girder body. The manhole is arranged below the steel box girder body.

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