CN219260701U - Arc limiting device - Google Patents

Arc limiting device Download PDF

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Publication number
CN219260701U
CN219260701U CN202222574698.0U CN202222574698U CN219260701U CN 219260701 U CN219260701 U CN 219260701U CN 202222574698 U CN202222574698 U CN 202222574698U CN 219260701 U CN219260701 U CN 219260701U
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China
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arc
box girder
shaped steel
lateral stop
steel sheet
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CN202222574698.0U
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Chinese (zh)
Inventor
燕斌
李亮辉
邓博
张志�
刘少华
刘晓鸣
卢刚
孙双磊
陈作银
彭沉彬
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Beijing Municipal Development Freeway Construction And Administration Co ltd
Beijing Guodaotong Highway Design&research Institute Co ltd
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Beijing Municipal Development Freeway Construction And Administration Co ltd
Beijing Guodaotong Highway Design&research Institute Co ltd
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Abstract

The utility model discloses an arc plate limiting device which comprises two arc-shaped steel plates, wherein the two arc-shaped steel plates are fixedly connected to two lateral stop blocks respectively, the convex surfaces of the two arc-shaped steel plates are oppositely arranged, the two lateral stop blocks are fixedly connected to two sides of the top surface of a bent cap respectively, a box girder is arranged on the top surface of the bent cap, the box girder is positioned between the two arc-shaped steel plates, and a gap is reserved between the box girder and the arc-shaped steel plates. When the earthquake happens, relative displacement can be generated between the box girder and the bent cap under the action of earthquake waves, when the box girder generates transverse displacement, the arc-shaped steel plate can avoid the box girder to directly strike the lateral stop block, under low impact force, the elastic deformation of the arc-shaped steel plate can reduce impact, and under high impact force, the buckling deformation of the arc-shaped steel plate can absorb energy, so that the effect of buffering and damping is achieved, the damage to the lateral stop block caused by the direct collision between the box girder and the lateral stop block is avoided, the beam falling shock hazard occurs, and the shock resistance of the bridge is improved.

Description

Arc limiting device
Technical Field
The utility model relates to the technical field of bridge construction, in particular to an arc plate limiting device.
Background
In recent years, bridge construction technology in China is continuously updated, and bridge safety is always the most important precondition for development. In the real life, the earthquake can cause the horizontal and vertical movement of the bridge, and if the stability of the bridge is not strong enough, the relative displacement of the upper and lower structures can be too large, so that the upper structure collapses. It follows that the improvement of the shock resistance of the bridge is not neglected.
In order to prevent the situation that the upper beam body falls when encountering natural disasters such as earthquakes, the bridge limiting device is widely applied, and the common limiting device is to install anti-collision stop blocks at the two ends of the top of the bridge, but because the bridge is large in self weight, the anti-collision stop blocks can possibly be damaged such as shearing damage in the strong earthquake process, and the transverse displacement of the bridge cannot be continuously and effectively limited in the earthquakes.
In summary, it is extremely necessary to design a bridge stop device that is robust, simple in structure, and easy to replace, and to protect the bridge structure from damage during an earthquake.
Disclosure of Invention
The utility model aims to provide an arc-shaped plate limiting device which is used for solving the problems in the prior art.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an arc plate limiting device which comprises two arc steel plates, wherein the two arc steel plates are fixedly connected to two lateral stop blocks respectively, the convex surfaces of the two arc steel plates are oppositely arranged, the two lateral stop blocks are fixedly connected to two sides of the top surface of a bent cap respectively, a box girder is arranged on the top surface of the bent cap, and the box girder is positioned between the two arc steel plates.
Preferably, a placing cavity is formed between the concave surface of the arc-shaped steel plate and the lateral stop block, an elastic piece is arranged in the placing cavity and is matched with the concave surface of the arc-shaped steel plate, and the elastic piece is abutted to the lateral stop block.
Preferably, both ends of the arc-shaped steel plate are fixedly connected with sealing plates, the shape of each sealing plate is matched with that of the arc-shaped steel plate, and the elastic piece is positioned between the two sealing plates.
Preferably, a plurality of steel bars are arranged in the lateral stop blocks in a penetrating way, the steel bars are sequentially arranged at intervals from top to bottom, and the axes of the steel bars are arranged in parallel with the installation direction of the box girder.
Preferably, a steel backing plate is arranged in the lateral stop block, the steel backing plate is located at one side, far away from the other lateral stop block, of the steel reinforcing bar, a bolt is fixedly connected to the steel backing plate, one end of the bolt penetrates between two adjacent steel reinforcing bars and extends out of the lateral stop block, and the arc-shaped steel plate is fixedly connected with the lateral stop block through the bolt.
Preferably, a gap is reserved between the box girder and the arc-shaped steel plate.
The utility model discloses the following technical effects:
according to the utility model, the arc-shaped steel plates are fixedly connected to the opposite side walls of the two lateral stop blocks, the convex surfaces of the two arc-shaped steel plates are oppositely arranged, the box girder is placed on the top surface of the bent cap and positioned between the two arc-shaped steel plates, when an earthquake occurs, relative displacement can be generated between the box girder and the bent cap under the action of earthquake waves, when the box girder generates transverse displacement, the arc-shaped steel plates can prevent the box girder from directly striking the lateral stop blocks, under low impact force, the elastic deformation of the arc-shaped steel plates can reduce impact, and under high impact force, the buckling deformation of the arc-shaped steel plates can absorb energy, so that the effects of buffering and damping are achieved, the damage to the lateral stop blocks caused by the direct collision of the box girder and the lateral stop blocks can be avoided, and the shock resistance of a bridge can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a partial enlarged view at B in FIG. 1;
FIG. 3 is a schematic view of a side stop according to the present utility model;
wherein, 1, arc steel plate; 2. a sealing plate; 3. a bolt; 4. an elastic member; 5. a steel backing plate; 6. a lateral stop; 7. reinforcing steel bars; 8. a capping beam; 9. a support; 10. a box girder; 11. pier column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, the utility model provides an arc plate limiting device, which comprises two arc steel plates 1, wherein the two arc steel plates 1 are fixedly connected to two lateral stop blocks 6 respectively, the convex surfaces of the two arc steel plates 1 are oppositely arranged, the two lateral stop blocks 6 are fixedly connected to two sides of the top surface of a bent cap 8 respectively, a box girder 10 is arranged on the top surface of the bent cap 8, and the box girder 10 is positioned between the two arc steel plates 1.
In this device with arc steel sheet rigid coupling on the opposite lateral wall of both sides to dog 6, simultaneously with the convex surface relative setting of two arc steel sheets 1, place case roof beam 10 at the top surface of bent cap 8 and be located between two arc steel sheets 1, when taking place the earthquake, can produce relative displacement between case roof beam 10 and the bent cap 8 under the effect of earthquake wave, when case roof beam 10 produced lateral displacement, arc steel sheet 1 can avoid case roof beam 10 direct impact lateral stop 6, under low impact force, the elastic deformation of arc steel sheet 1 can reduce the impact, under high impact force, the buckling deformation of arc steel sheet 1 can absorb energy, thereby reach buffering absorbing effect.
Further optimizing scheme forms between concave surface and the side direction dog 6 of arc steel sheet 1 and places the chamber, places the intracavity and is provided with elastic component 4, and elastic component 4 and the concave surface looks adaptation of arc steel sheet 1, elastic component 4 and side direction dog 6 butt. Set up elastic component 4 between arc steel sheet 1 and side direction dog 6, provide holding power for the arcwall face of arc steel sheet 1, further increase the ability of this device buffering shock attenuation, wherein, elastic component 4 is the rubber material of semicircle column type preferentially, and the arcwall face of elastic component 4 is laminated with the concave surface of arc steel sheet 1, and the plane and the side direction dog 6 laminating of elastic component 4.
Further optimizing scheme, the equal rigid coupling in both ends of arc steel sheet 1 has shrouding 2, and shrouding 2's shape and arc steel sheet 1 looks adaptation, and elastic component 4 is located between two shrouding 2. The shrouding 2 on the one hand is fixed elastic component 4 between arc steel sheet 1 and side direction dog 6, and on the other hand, shrouding 2 provides holding power to the arcwall face of arc steel sheet 1, further strengthens the buffering shock resistance of this device.
Further optimizing scheme, wear to be equipped with a plurality of reinforcing bars 7 in the side direction dog 6, a plurality of reinforcing bars 7 are by last interval sequence arrangement down, and the axis of reinforcing bar 7 and the installation direction parallel arrangement of case roof beam 10. The arrangement of the reinforcing steel bars 7 can increase the strength of the lateral stop blocks 6 and the shock resistance of the bridge body.
Further optimizing scheme is provided with steel backing plate 5 in the side direction dog 6, and steel backing plate 5 is located the one side that reinforcing bar 7 kept away from another side direction dog 6, and the rigid coupling has bolt 3 on the steel backing plate 5, and the one end of bolt 3 passes between two adjacent reinforcing bars 7 and stretches out side direction dog 6, and arc steel sheet 1 passes through bolt 3 and side direction dog 6 rigid coupling. The steel backing plate 5 is located one side that the reinforcing bar 7 kept away from another side direction dog 6, and is connected steel backing plate 5 and arc steel sheet 1 through bolt 3, and reinforcing bar 7 is located between steel backing plate 5 and the arc steel sheet 1, can strengthen the fastness of being connected between side direction dog 6 and the arc steel sheet 1.
Further optimizing scheme, a gap is reserved between the box girder 10 and the arc-shaped steel plate 1.
In a further optimized scheme, two supports 9 are arranged between the box girder 10 and the cover girder 8, the two supports 9 are respectively positioned on two sides of the bottom surface of the box girder 10, and the two supports 9 are symmetrically arranged along the central axis of the box girder 10. The support 9 is used for transmitting the supporting counterforce of the box girder 10, including the vertical force and the horizontal force caused by constant load and live load, so that the bridge structure can be freely deformed under the effects of factors such as live load, temperature change, concrete shrinkage and creep, and the like, and the actual stress conditions of the upper structure and the lower structure of the bridge are in accordance with the static force pattern of the structure.
According to the further optimization scheme, two pier studs 11 are fixedly connected to the bottom surface of the capping beam 8, the two pier studs 11 are symmetrically arranged along the central axis of the capping beam 8, and the bottom ends of the pier studs 11 are fixedly connected to the ground.
Working principle: when the bridge shakes, the box girder 10 on the upper part of the bridge and the bent cap 8 on the lower part of the bridge can generate relative displacement, when the box girder 10 generates transverse displacement, the arc-shaped steel plate 1 can prevent the box girder 10 from directly striking the lateral stop block 6, the arc-shaped steel plate 1 has certain elasticity and strength, under low impact force, the elastic deformation of the arc-shaped steel plate 1 can reduce impact, under high impact force, the buckling deformation of the arc-shaped steel plate 1 can absorb energy, the bottom of the bolt 3 is clamped in the steel bar 7 through the steel backing plate 5 to fix the arc-shaped steel plate 1, the arc-shaped steel plate 1 can be prevented from being separated from the lateral stop block 6, the sealing plate 2 and the elastic piece 4 also have supporting effect on the arc-shaped steel plate 1, the device can play the role of buffering and damping, the falling beam shock hazard is prevented from happening, and the shock resistance of the bridge is improved.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (6)

1. The utility model provides an arc stop device, its characterized in that, includes two arc steel sheet (1), two arc steel sheet (1) rigid coupling respectively is on both sides to dog (6), two the convex surface of arc steel sheet (1) sets up relatively, two side direction dog (6) rigid coupling respectively in the top surface both sides of bent cap (8), box girder (10) set up the top surface of bent cap (8), box girder (10) are located two between arc steel sheet (1).
2. An arcuate panel spacing device as claimed in claim 1, wherein: the concave surface of arc steel sheet (1) with place the chamber is placed to formation between side direction dog (6), place the intracavity and be provided with elastic component (4), elastic component (4) with the concave surface looks adaptation of arc steel sheet (1), elastic component (4) with side direction dog (6) butt.
3. An arcuate panel spacing device as claimed in claim 2, wherein: both ends of arc steel sheet (1) all are rigid coupling has shrouding (2), the shape of shrouding (2) with arc steel sheet (1) looks adaptation, elastic component (4) are located two between shrouding (2).
4. A curved plate limiting device according to claim 3, wherein: a plurality of steel bars (7) are arranged in the lateral stop block (6) in a penetrating way, the steel bars (7) are sequentially arranged at intervals from top to bottom, and the axes of the steel bars (7) are arranged in parallel with the installation direction of the box girder (10).
5. The arcuate panel spacing device of claim 4, wherein: be provided with steel backing plate (5) in lateral stop (6), steel backing plate (5) are located reinforcing bar (7) are kept away from another lateral stop (6) one side, rigid coupling has bolt (3) on steel backing plate (5), the one end of bolt (3) passes adjacent two between reinforcing bar (7) and stretch out lateral stop (6), arc steel sheet (1) are passed through bolt (3) with lateral stop (6) rigid coupling.
6. An arcuate panel spacing device as claimed in claim 1, wherein: a gap is reserved between the box girder (10) and the arc-shaped steel plate (1).
CN202222574698.0U 2022-09-28 2022-09-28 Arc limiting device Active CN219260701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222574698.0U CN219260701U (en) 2022-09-28 2022-09-28 Arc limiting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222574698.0U CN219260701U (en) 2022-09-28 2022-09-28 Arc limiting device

Publications (1)

Publication Number Publication Date
CN219260701U true CN219260701U (en) 2023-06-27

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CN202222574698.0U Active CN219260701U (en) 2022-09-28 2022-09-28 Arc limiting device

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CN (1) CN219260701U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117385735A (en) * 2023-10-11 2024-01-12 浙江天晟建材股份有限公司 Assembled bridge anti-seismic foundation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117385735A (en) * 2023-10-11 2024-01-12 浙江天晟建材股份有限公司 Assembled bridge anti-seismic foundation

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