CN214993040U

CN214993040U - Bridge expansion device

Info

Publication number: CN214993040U
Application number: CN202023138903.6U
Authority: CN
Inventors: 徐斌; 徐速; 尤其; 刘正武; 罗杭; 邓明祥; 张晓丽
Original assignee: Ningbo Lubao Transportation Facilities Co Ltd
Current assignee: Ningbo Lubao Transportation Facilities Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-12-03
Anticipated expiration: 2030-12-23

Abstract

The utility model provides a bridge telescoping device, includes first fishback and the second fishback of mutual flexible complex, the root of first fishback is installed on first supporting member, and the second fishback is installed on second supporting member, its characterized in that: first supporting member includes supporting shoe, pivot and dowel, and the supporting shoe is fixed in the pivot below and along pivot length direction interval distribution, the bottom of first fishback open have with pivot matched with draw-in groove, the pivot is installed in the draw-in groove and makes first fishback can the relative pivot rotate, the supporting shoe still passes through the dowel is connected fixedly. Compared with the prior art, the utility model has the advantages of: the rotating shaft of the first supporting member of the bridge expansion device is fixed on the supporting block, and the first comb plate can vertically rotate relative to the rotating shaft after the clamping groove of the first comb plate is matched with the rotating shaft.

Description

Bridge expansion device

Technical Field

The utility model belongs to the technical field of the expansion joint and specifically relates to a bridge telescoping device is related to.

Background

The expansion joint device is one of important functional components of bridge engineering, and in order to meet the requirement of deformation of a bridge body, the bridge expansion joint device is generally arranged between two beam ends of a bridge, between the beam end and an abutment or on a hinged position of the bridge. The bridge engineering is influenced by vehicle load, self materials of the bridge and air temperature to generate creep and wind force action and the like in the operation process, so that the bridge contracts, stretches and deforms. In order to ensure that the vehicle can run safely and stably, the expansion joint device arranged on the bridge needs to meet various changing requirements of the beam body. The existing expansion joint devices are various, but most of the expansion joint devices have complex structures, so that the manufacturing cost is high, and the maintenance and the replacement are troublesome. In summary, the conventional bridge expansion joint device is to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide a simple structure, have the bridge telescoping device of vertical rotation function.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this bridge telescoping device, including first fishback and the second fishback of mutual flexible complex, the root of first fishback is installed on first supporting member, the second fishback is installed on second supporting member, its characterized in that: first supporting member includes supporting shoe, pivot and dowel, the supporting shoe is fixed in the pivot below and along pivot length direction interval distribution, open the bottom of first fishback have with pivot matched with draw-in groove, the pivot is installed in the draw-in groove and make first fishback can pivot relatively rotate, the supporting shoe still passes through the dowel is connected fixedly.

The anchor bars can be provided with various connecting structures, preferably, each supporting block is provided with a corresponding mounting hole, each anchor bar comprises a first anchor bar and a second anchor bar, the first anchor bars sequentially penetrate through the mounting holes, and the second anchor bars are fixed on the first anchor bars at intervals.

The second anchor bar can have multiple structures, preferably, the second anchor bar is U type structure, and the second anchor bar includes horizontal segment and the vertical section of the vertical downwardly extending in both ends from the horizontal segment, the middle part welding of horizontal segment is in on the first anchor bar.

Further preferably, each support block is provided with at least two mounting holes, and correspondingly, the first anchor bars are provided with at least two anchor bars.

The second supporting member may have various structures, and preferably, the second supporting member includes a supporting plate and an anchor bolt, the second comb plate is placed on the supporting plate, an upper mounting hole is formed on the second comb plate, a corresponding lower mounting hole is formed on the supporting plate, and the anchor bolt passes through the corresponding upper mounting hole and the corresponding lower mounting hole and is fixed to the second comb plate and the supporting plate.

Further preferably, the support plate horizontally extends to below the comb teeth of the first comb plate.

Compared with the prior art, the utility model has the advantages of: the rotating shaft of the first supporting member of the bridge expansion device is fixed on the supporting block, and the first comb plate can vertically rotate relative to the rotating shaft after the clamping groove of the first comb plate is matched with the rotating shaft.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of another angle according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a first comb plate according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first support member according to an embodiment of the present invention (with anchor bars removed);

fig. 5 is a schematic structural view of a second comb plate according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a supporting plate according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the bridge expansion device of the present embodiment includes a first comb plate 1 and a second comb plate 2 which are telescopically engaged with each other, a root of the first comb plate 1 is mounted on a first support member 3, and the second comb plate 2 is mounted on a second support member 4.

First supporting member 3 of this embodiment includes supporting shoe 31, pivot 32 and anchor bar, and supporting shoe 31 is fixed in pivot 32 below and along pivot 32 length direction interval distribution, and open the bottom of first fishback 1 has the draw-in groove 11 with pivot 32 matched with, and draw-in groove 11 arranges along the width direction of first fishback 1, and this width direction is unanimous with bridge width direction. The rotating shaft 32 is installed in the clamping groove 11 and enables the first comb plate 1 to rotate relative to the rotating shaft 32, so that the expansion joint device has a vertical rotating function.

The supporting block 31 is connected and fixed through anchor bars. In this embodiment, each support block 31 is provided with 2 mounting holes 311, the anchor bars include a first anchor bar 33 and a second anchor bar 34, the first anchor bar 33 has 2 anchor bars and sequentially passes through the corresponding mounting holes 311, and the second anchor bars 34 are fixed on the first anchor bars 33 at intervals. The second anchor bar 34 of this embodiment is U type structure, and second anchor bar 34 includes the horizontal segment and the vertical section from the vertical downwardly extending in both ends of horizontal segment, and the middle part welding of horizontal segment is on first anchor bar 33.

As shown in fig. 5 and 6 in conjunction, the second support member 4 of the present embodiment includes a support plate 41 and an anchor bolt 42, and the second comb plate 2 is placed on the support plate 41. An upper mounting hole 21 is formed in the second comb plate 2, a corresponding lower mounting hole 411 is formed in the support plate 41, and the anchor bolt 42 penetrates through the corresponding upper mounting hole 21 and the corresponding lower mounting hole 411 and is fixed to the second comb plate 2 and the support plate 41. And, the support plate 41 also horizontally extends to below the comb teeth portion of the first comb plate 1.

Claims

1. The utility model provides a bridge telescoping device, includes first fishback (1) and second fishback (2) of mutual telescopic cooperation, the root of first fishback (1) is installed on first supporting member (3), second fishback (2) are installed on second supporting member (4), its characterized in that: first supporting member (3) are including supporting shoe (31), pivot (32) and dowel, supporting shoe (31) are fixed in pivot (32) below and along pivot (32) length direction interval distribution, open the bottom of first fishback (1) have with pivot (32) matched with draw-in groove (11), pivot (32) are installed in draw-in groove (11) and make first fishback (1) can pivot (32) rotation relatively, supporting shoe (31) still pass through the dowel is connected fixedly.

2. The bridge expansion device of claim 1, wherein: each supporting block (31) is provided with a corresponding mounting hole (311), each anchor bar comprises a first anchor bar (33) and a second anchor bar (34), the first anchor bars (33) sequentially penetrate through the mounting holes (311), and the second anchor bars (34) are fixed on the first anchor bars (33) at intervals.

3. The bridge expansion device of claim 2, wherein: the second anchor bar (34) is of a U-shaped structure, the second anchor bar (34) comprises a horizontal section and vertical sections extending downwards from two ends of the horizontal section, and the middle of the horizontal section is welded on the first anchor bar (33).

4. The bridge expansion device of claim 2, wherein: at least two mounting holes (311) are formed in each supporting block (31), and correspondingly, at least two first anchor bars (33) are arranged.

5. A bridge expansion device according to any one of claims 1 to 4, wherein: the second supporting component (4) comprises a supporting plate (41) and an anchoring bolt (42), the second comb plate (2) is placed on the supporting plate (41), an upper mounting hole (21) is formed in the second comb plate (2), a corresponding lower mounting hole (411) is formed in the supporting plate (41), and the anchoring bolt (42) penetrates through the corresponding upper mounting hole (21) and the corresponding lower mounting hole (411) and is fixed with the second comb plate (2) and the supporting plate (41).

6. The bridge expansion device of claim 5, wherein: the support plate (41) extends horizontally to below the comb teeth of the first comb plate (1).