阅读说明：本技术 一种多向变位桥梁伸缩缝装置 (Multidirectional bridge expansion joint device that shifts ) 是由 徐斌 徐速 尤其 王博 喻飞 杨龙 刘洪生 卓佩达 于 2020-07-28 设计创作，主要内容包括：一种多向变位桥梁伸缩缝装置,在第一梁端部安装有跨缝板,在第二梁端部安装有与跨缝板相配合的固定板,在第一梁端部预留有第一安装槽口,在第一梁端部预埋有第一预埋件,跨缝板外侧底部固定有转轴,转轴沿着跨缝板长度方向布置,在第一安装槽口内安装有扣板和第一连接件,扣板设于第一连接件外侧,扣板下部固定在第一预埋件上,扣板上部与转轴转动配合,第一连接件下部固定在第一预埋件上,第一连接件上部连接在跨缝板上并与跨缝板之间留有活动间隙。该桥梁伸缩缝装置固定在跨缝板外侧底部的转轴与扣板形成转动配合,上连接件与跨缝板之间留有活动间隙,由此,可以实现垂直方向上的转角功能,且该伸缩缝装置施工安装过程和维护更换过程均非常方便。(The utility model provides a multidirectional bridge expansion joint device that shifts, install at first beam-ends portion and stride the seam board, install at second beam-ends portion and stride seam board matched with fixed plate, reserve at first beam-ends portion and have first installation notch, pre-buried at first beam-ends portion has first built-in fitting, stride seam board outside bottom and be fixed with the pivot, the pivot is arranged along striding seam board length direction, install buckle and first connecting piece in first installation notch, the buckle is located the first connecting piece outside, the buckle lower part is fixed on first built-in fitting, buckle upper portion and pivot normal running fit, first connecting piece lower part is fixed on first built-in fitting, first connecting piece upper portion is connected on striding the seam board and with stride and leave the free gap between the seam board. The rotary shaft and the buckle plate which are fixed at the bottom of the outer side of the joint crossing plate form a rotating fit, a movable gap is reserved between the upper connecting piece and the joint crossing plate, therefore, the corner function in the vertical direction can be realized, and the construction, installation, maintenance and replacement processes of the expansion joint device are very convenient.)

1. The utility model provides a multidirectional bridge expansion joint device that shifts, is including locating first beam ends portion (1), second beam ends portion (2) of bridge expansion joint both sides respectively first beam ends portion (1) is installed and is striden seam board (3) second beam ends portion (2) are installed and are striden seam board matched with fixed plate (4), its characterized in that: the beam is characterized in that a first mounting notch (5) for mounting a seam crossing plate is reserved in the first beam end portion (1), a first embedded part (6) is embedded in the first beam end portion (1), a rotating shaft (7) is fixed to the bottom of the outer side of the seam crossing plate (3), the rotating shaft (7) is arranged along the length direction of the seam crossing plate (3), a buckling plate (8) and a first connecting piece are mounted in the first mounting notch (5), the buckling plate (8) is arranged on the outer side of the first connecting piece, the lower portion of the buckling plate (8) is fixed to the first embedded part (6), the upper portion of the buckling plate (8) is in running fit with the rotating shaft (7), the lower portion of the first connecting piece is fixed to the first embedded part (6), and the upper portion of the first connecting piece is connected to the seam crossing plate (3) and a movable gap is reserved between the seam crossing plate (3).

2. The multidirectional displacement bridge expansion joint device of claim 1, wherein: the buckle plates (8) are provided with a plurality of blocks which are sequentially distributed at intervals along the length direction of the seam crossing plate (3), and the first connecting pieces are provided with a plurality of blocks which are sequentially distributed at intervals along the length direction of the seam crossing plate (3).

3. The multidirectional displacement bridge expansion joint device of claim 1, wherein: buckle (8) upper portion has opening inside recess (81) outwards, pivot (7) are installed inside recess (81) and form normal running fit with buckle (8).

4. The multidirectional displacement bridge expansion joint device of claim 1, wherein: a first filling layer (10) is arranged in the first mounting notch (5), and a first elastic gasket (11) is clamped between the upper surface of the first filling layer (10) and the lower surface of the seam crossing plate (3).

5. The multidirectional displacement bridge expansion joint device of claim 1, wherein: the first connecting piece is a first anchoring bolt (9), a vertical mounting hole (31) for the first anchoring bolt (9) to pass through is formed in the seam crossing plate (3), the vertical mounting hole (31) is of a round table structure with a large upper head and a large lower head, and a circumferential movable gap is reserved between the vertical mounting hole (31) and the first anchoring bolt (9).

6. The multidirectional displacement bridge expansion joint device according to any one of claims 1 to 5, wherein: and a second mounting notch for mounting the fixing plate (4) is reserved at the second beam end part (2), a second embedded part (12) is embedded in the second beam end part (2), and the fixing plate (4) is fixedly connected with the second embedded part (12) through a second anchoring bolt (13).

7. The multidirectional displacement bridge expansion joint device of claim 6, wherein: a second filling layer (14) is arranged in the second mounting notch, and a second elastic gasket (15) is clamped between the upper surface of the second filling layer (14) and the lower surface of the fixing plate (4).

8. The multidirectional displacement bridge expansion joint device of claim 6, wherein: the second anchor bolt (13) is U-shaped, and two mounting holes for mounting the second anchor bolt are formed in the fixing plate (4).

9. The multidirectional displacement bridge expansion joint device of claim 1, wherein: the fixing plate (4) and the seam crossing plate (3) are provided with mutually matched comb tooth structures at the respective opposite ends.

Technical Field

The invention relates to a bridge expansion joint device, in particular to a multidirectional displacement bridge expansion joint device capable of being quickly installed.

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. Although the conventional expansion joint device of the comb plate can meet the requirements of the beam body such as expansion deflection and the like, the corner function of the beam body in the vertical direction (namely vertical direction) is difficult to realize, and the installation and the later maintenance and replacement of the expansion joint device are also very difficult. In summary, the conventional bridge expansion joint device is to be further improved.

Disclosure of Invention

The invention aims to solve the technical problem of providing a multidirectional displacement bridge expansion device which can meet the requirements of turning angle of a bridge in the vertical direction and is convenient to install, construct, maintain and replace in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: this multidirectional bridge expansion joint device that shifts, including first beam-ends portion, the second beam-ends portion of locating bridge expansion joint both sides respectively first beam-ends portion is installed and is striden the seam board second beam-ends portion is installed and is striden seam board matched with fixed plate, its characterized in that: the beam structure comprises a first beam end, a second beam end and a first connecting piece, wherein a first mounting notch used for mounting a joint spanning plate is reserved on the first beam end, a first embedded part is embedded in the first beam end, a rotating shaft is fixed at the bottom of the outer side of the joint spanning plate and is arranged along the length direction of the joint spanning plate, a buckle plate and the first connecting piece are mounted in the first mounting notch, the buckle plate is arranged on the outer side of the first connecting piece, the lower portion of the buckle plate is fixed on the first embedded part, the upper portion of the buckle plate is in running fit with the rotating shaft, the lower portion of the first connecting piece is fixed on the first embedded part, and the upper portion of the first connecting piece is connected to the joint spanning plate and leaves a movable gap between.

Preferably, the buckle has a plurality of and stride the length direction of seam board at interval distribution in proper order, and the first connecting piece has a plurality of and stride the length direction of seam board at interval distribution in proper order.

In order to enable the seam crossing plate to be rotatably connected with the pinch plate, the upper portion of the pinch plate is provided with an inner concave portion with an outward opening, and the rotating shaft is installed in the inner concave portion to form rotating fit with the pinch plate.

In order to smoothly realize the corner function in the vertical direction, a first filling layer is arranged in the first mounting notch, and a first elastic gasket is clamped between the upper surface of the first filling layer and the lower surface of the seam crossing plate.

In order to smoothly realize the corner function in the vertical direction, the first connecting piece is a first anchoring bolt, a vertical mounting hole for the first anchoring bolt to pass through is formed in the seam crossing plate, the vertical mounting hole is of a round table structure with a lower upper head and a larger lower head, and a circumferential movable gap is reserved between the vertical mounting hole and the first anchoring bolt.

The fixing plate can have various mounting structures, preferably, a second mounting notch for mounting the fixing plate is reserved at the end part of the second beam, a second embedded part is embedded at the end part of the second beam, and the fixing plate is connected and fixed with the second embedded part through a second anchoring bolt.

Preferably, a second filling layer is arranged in the second mounting notch, and a second elastic gasket is arranged between the upper surface of the second filling layer and the lower surface of the fixing plate in a clamping mode.

In order to make the fixing plate mounting structure more firm, the second anchor bolt is U-shaped, and two mounting holes for mounting the second anchor bolt are formed in the fixing plate.

Further preferably, the fixed plate and the slot-spanning plate have mutually cooperating comb tooth structures at respective opposite ends.

Compared with the prior art, the invention has the advantages that: the utility model provides a multidirectional bridge expansion joint device that shifts strides seam board's outside bottom is fixed with along striding the pivot that seam board length direction arranged, the pivot forms normal running fit with the buckle of fixing on the built-in fitting, and, fix the connecting piece on the built-in fitting and stride and leave the free gap between the seam board, therefore, can make the expansion joint device realize the corner function of bridge in the vertical direction, and, stride the seam board and adopt above-mentioned mounting structure, it is all very convenient with the maintenance replacement process with this expansion joint device construction installation, in addition, this expansion joint device is through striding the broach cooperation of seam board and fixed plate, can realize conventional longitudinal displacement function.

Drawings

FIG. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a structural cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic view of a mounting structure of a cross-slit notebook according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a gusset plate according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 4, the multi-directional displacement bridge expansion joint device of the present embodiment includes a first beam end portion 1 and a second beam end portion 2 respectively disposed at two sides of the bridge expansion joint, a seam crossing plate 3 is installed at the first beam end portion 1, a fixing plate 4 is installed at the second beam end portion 2, and the seam crossing plate 3 and the fixing plate 4 have mutually-matched comb tooth structures at respective opposite ends thereof, so as to implement a conventional longitudinal horizontal displacement function.

A first mounting notch 5 used for mounting the seam crossing plate 3 is reserved in the first beam end portion 1, a first embedded part 6 is embedded in the first beam end portion 1, and the top of the first embedded part 6 is exposed out of the first mounting notch 5. The direction of an arrow A in fig. 2 is taken as the outer side, a rotating shaft 7 is fixed at the bottom of the outer side of the seam crossing plate 3, the rotating shaft 7 is arranged along the length direction of the seam crossing plate 3, and a plurality of rotating shafts 7 are arranged in parallel in a row. Install buckle 8 and first connecting piece in first installation notch 5, the outside of first connecting piece is located to buckle 8, and buckle 8 has the polylith and along striding the length direction of seam board 3 interval distribution in proper order, and first connecting piece has a plurality ofly and along striding the length direction of seam board 3 interval distribution in proper order.

The lower portion of the pinch plate 8 is fixed on the first embedded part 6, the upper portion of the pinch plate 8 is in running fit with the rotating shaft 7, in the embodiment, the upper portion of the pinch plate 8 is provided with an inner concave portion 81 with an outward opening, and the rotating shaft 7 is installed in the inner concave portion 81 to form running fit with the pinch plate 8.

The lower part of the first connecting piece is fixed on the first embedded part 6, and the upper part of the first connecting piece is connected on the seam crossing plate 3 and leaves a movable gap with the seam crossing plate 3. The first connecting piece of this embodiment is first anchor bolt 9, and it has the vertical mounting hole 31 that supplies first anchor bolt 9 to pass to open on striding seam board 3, and vertical mounting hole 31 is the round platform structure that upper head is lower, the lower head is big to, leave circumferential movement clearance between vertical mounting hole 31 and the first anchor bolt 9. In addition, a first filling layer 10 is provided in the first mounting notch 5, and a first elastic pad 11 is interposed between the upper surface of the first filling layer 10 and the lower surface of the seam crossing plate 3. After the circumferential movable gap and the first elastic gasket 11 are arranged, when the first anchoring bolt 9 rotates upwards along with the beam body, namely the first beam end part 1, in the vertical direction, the first elastic gasket 11 is elastically deformed, and the first anchoring bolt 9 does not interfere with the seam crossing plate 3.

In this embodiment, the mounting structure of the fixing plate 4 is as follows:

the second beam end part 2 is reserved with a second mounting notch for mounting the fixing plate 4, the second beam end part 2 is embedded with a second embedded part 12, the fixing plate 4 is fixedly connected with the second embedded part 12 through a second anchor bolt 13, the second anchor bolt 13 of the embodiment is U-shaped, and the fixing plate 4 is provided with two mounting holes for mounting the second anchor bolt. In addition, a second filling layer 14 is provided in the second mounting notch, and a second elastic pad 15 is interposed between the upper surface of the second filling layer 14 and the lower surface of the fixing plate 4.

According to the structure, the bridge expansion joint device of the embodiment is matched with the comb teeth of the cross joint plate 3 and the fixing plate 4 in a moving mode, vertical horizontal displacement is achieved, and the vertical direction, namely the vertical corner function, is achieved through rotating matching between the rotating shaft 7 and the buckling plate 8.

Taking the installation of the seam crossing plate 3 as an example, in the construction and installation process, after the buckle plate 8 and the first anchoring bolt 9 are positioned on the first embedded part 6, the seam crossing plate 3 can quickly embed the rotating shaft 7 into the buckle plate 8 from the opening at the side of the buckle plate 8 according to a plurality of angle directions, then the seam crossing plate 3 is rotated to the horizontal plane by taking the rotating shaft 7 as the center, and is connected and fixed through the first anchoring bolt 9.

In the maintenance and replacement process, firstly, the filling material outside the seam crossing plate 3 is removed, and the nut of the first anchoring bolt 9 is taken out; then, the slit plate 3 is rotated and opened about the rotation shaft 7, and the slit plate 3 is quickly taken out from the opening on the side of the buckle 8. After the repairing, the seam crossing plate 3 quickly embeds the rotating shaft 7 into the buckle plate 8 from the opening on the side of the buckle plate 8 according to a plurality of angle directions, then the seam crossing plate 3 is rotated to the horizontal plane by taking the rotating shaft 7 as the center and is connected and fixed through the first anchoring bolt 9.