CN110761176A

CN110761176A - Horizontal stop device of adjacent beam-ends of bridge

Info

Publication number: CN110761176A
Application number: CN201911104002.4A
Authority: CN
Inventors: 张永鸿; 李晓宁; 张军昭; 申鹏
Original assignee: China Railway Jinan Engineering Design Institute Co Ltd
Current assignee: China Railway Jinan Engineering Design Institute Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-02-07
Anticipated expiration: 2039-11-13
Also published as: CN110761176B

Abstract

The invention discloses a transverse limiting device for adjacent beam ends of a bridge, which relates to the field of bridge engineering and comprises a bridge main body, wherein supporting tables are fixedly connected to two sides of the lower surface of the bridge main body, reinforcing blocks are fixedly connected to two sides of the bridge main body, a pier is fixedly connected to the lower surface of each supporting table, a first reinforcing rod is fixedly connected to one side of the pier, a second reinforcing rod is fixedly connected to the other side of the pier, and the bottom ends of the second reinforcing rod and the first reinforcing rod are inserted into a reinforcing soil layer. According to the invention, the clamping piles are arranged on the supporting plate, the bridge main body can be transversely limited by the matching arrangement of the clamping piles and the dovetail grooves on the bridge main body, and the buffer blocks and the buffer space are arranged between the supporting table and the supporting plate, so that when the transverse moving force of the bridge main body is too large, the supporting plate has a certain shearing deformation capacity through the buffer blocks, and the potential safety hazard of beam falling can be avoided.

Description

Horizontal stop device of adjacent beam-ends of bridge

Technical Field

The invention relates to the field of bridge engineering, in particular to a transverse limiting device for adjacent beam ends of a bridge.

Background

Bridge engineering refers to the working process of bridge surveying, designing, constructing, maintaining and detecting, and the scientific and engineering technology for researching the process, and is a branch of civil engineering, the development of bridge engineering mainly depends on the requirements of transportation, and in the field of bridge engineering, under the action of earthquake or other loads, a mode of arranging a transverse limiting device is generally adopted to limit the horizontal displacement of a beam body.

At present, current horizontal stop device is simple only sets up the dog in the top both sides of pier and reaches spacing effect, however this kind of design practicality is not strong, reaches the spacing effect of reality to can lead to the stability decline of bridge main part.

Therefore, it is necessary to provide a transverse limiting device for adjacent beam ends of a bridge to solve the above problems.

Disclosure of Invention

The invention aims to provide a transverse limiting device for adjacent beam ends of a bridge, which aims to solve the problems that the conventional transverse limiting device in the background art only simply arranges stop blocks on two sides of the top of a pier to achieve the limiting effect, but the design is not high in practicability, cannot achieve the actual limiting effect and can cause the stability of a bridge main body to be reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a horizontal stop device of adjacent beam-ends of bridge, includes bridge main body, the equal fixedly connected with brace table in bridge main body's the lower surface both sides, the equal fixedly connected with reinforcing block in bridge main body's both sides, the lower fixed surface of brace table is connected with the pier, the first stiffener of one side fixedly connected with of pier, the opposite side fixedly connected with second stiffener of pier, all insert in the reinforced soil layer the bottom of second stiffener and first stiffener, the bottom of pier is provided with the base member.

Optionally, the middle part of the lower surface of the bridge main body is fixedly connected with the upper surface of the supporting plate;

the middle part of the lower surface of the supporting plate is fixedly connected with the top end of the supporting column body.

Optionally, the upper surface of the support supporting plate is fixedly connected with a clamping pile;

the screens stake is trapezoidal.

Optionally, the lower surface of the bridge main body is provided with a trapezoidal groove matched with the blocking pile;

the bottom end of the supporting column body is fixed on the surface of the reinforced soil layer.

Optionally, a placing groove is formed in one end, close to the supporting plate, of the supporting platform;

and a fixed base is fixedly connected to the inner wall of one side of the placing groove.

Optionally, one side of the fixed base is fixedly connected with a buffer block;

the buffer block is a rubber body.

Optionally, a buffer space is formed between the support platform and the support pallet;

the supporting platform, the reinforcing blocks and the supporting plate are all made of reinforced concrete;

one side that the bridge main part was kept away from to the reinforcement piece is L form with brace table fixed connection and brace table.

The invention has the technical effects and advantages that:

1. according to the invention, the reinforcing blocks are arranged between the support table and the bridge main body, so that the stability of the bridge main body can be enhanced, and the first reinforcing rods and the second reinforcing rods are arranged on two sides of the bridge pier, so that the stability of the bridge pier can be enhanced, and the stable support of the bridge main body can be ensured through the bridge pier.

2. According to the invention, the supporting plate is arranged below the bridge main body, so that the gravity center of the bridge main body can be borne, and thus the load of a pier is reduced.

Drawings

FIG. 1 is a partial cross-sectional view of the structure of the present invention.

Fig. 2 is a perspective view of the support plate structure of the present invention.

FIG. 3 is an enlarged view of the position A in FIG. 1 according to the present invention.

In the figure: 1. a bridge main body; 2. a support table; 3. a reinforcing block; 4. a bridge pier; 5. a first reinforcement bar; 6. a second reinforcement bar; 7. reinforcing a soil layer; 8. a substrate; 9. a support pallet; 10. a support column; 11. a blocking pile; 12. placing a groove; 13. a fixed base; 14. a buffer block; 15. a buffer space.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention provides a transverse limiting device for adjacent beam ends of a bridge as shown in figures 1-3, which comprises a bridge main body 1, wherein supporting tables 2 are fixedly connected to two sides of the lower surface of the bridge main body 1, the middle part of the lower surface of the bridge main body 1 is fixedly connected with the upper surface of a supporting plate 9, the middle part of the lower surface of the supporting plate 9 is fixedly connected with the top end of a supporting cylinder 10, clamping piles 11 are fixedly connected to the upper surface of the supporting plate 9, the clamping piles 11 are trapezoidal, a trapezoidal groove matched with the clamping piles 11 is formed in the lower surface of the bridge main body 1, the bottom end of the supporting cylinder 10 is fixed on the surface of a reinforced soil layer 7, and reinforcing blocks 3 are fixedly connected to two sides of;

one end of the supporting platform 2 close to the supporting plate 9 is provided with a placing groove 12, the inner wall of one side of the placing groove 12 is fixedly connected with a fixed base 13, one side of the fixed base 13 is fixedly connected with a buffer block 14, the buffer block 14 is a rubber body, a buffer space 15 is formed between the supporting platform 2 and the supporting plate 9, the supporting platform 2, the reinforcing blocks 3 and the supporting plate 9 are all made of reinforced concrete, one side of the reinforcing blocks 3 far away from the bridge main body 1 is fixedly connected with the supporting platform 2, the supporting platform 2 is L-shaped, the lower surface of the supporting platform 2 is fixedly connected with a bridge pier 4, the center of gravity of the bridge main body 1 can be supported by arranging the supporting plate 9 below the bridge main body 1, so that the load of the bridge pier 4 is reduced, the clamping piles 11 are arranged on the supporting plate 9, and the bridge main body 1 can be transversely limited by the matching arrangement of the clamping, by providing the buffer blocks 14 and the buffer spaces 15 between the support table 2 and the support pallet 9, when the transverse moving force of the bridge main body 1 is overlarge, the supporting splint 9 has certain shearing deformation capacity through the buffer block 14, and can avoid the potential safety hazard of girder shedding, one side of the pier 4 is fixedly connected with a first reinforcing rod 5, the other side of the pier 4 is fixedly connected with a second reinforcing rod 6, the stability of the bridge main body 1 can be enhanced by arranging the reinforcing block 3 between the support platform 2 and the bridge main body 1, by providing the first reinforcement bar 5 and the second reinforcement bar 6 at both sides of the pier 4, the stability of the pier 4 can be enhanced, thereby guarantee the stable support to bridge subject 1 through pier 4, the bottom of second stiffener 6 and first stiffener 5 all inserts in consolidating soil layer 7, and the bottom of pier 4 is provided with base member 8.

This practical theory of operation: when this bridge main body 1 takes place horizontal moving force, can reduce bridge main body 1's home range under the cooperation of brace table 2 and reinforcing block 3 sets up, thereby bridge main body 1 has been restricted, it remains enough stable to make it, when bridge main body 1's horizontal moving force is too big, can make bridge main body 1 drive supporting plate 9 activity under the effect of screens stake 11, and make this supporting plate 9 possess certain shear deformation ability through set up buffer block 14 between brace table 2 and supporting plate 9, thereby can guarantee bridge main body 1's security, the potential safety hazard of the roof beam of avoiding appearing taking off.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a horizontal stop device of adjacent beam-ends of bridge, includes bridge subject (1), its characterized in that: the equal fixedly connected with brace table (2) in lower surface both sides of bridge main part (1), the equal fixedly connected with anchor strut (3) in both sides of bridge main part (1), the lower fixed surface of brace table (2) is connected with pier (4), the first stiffener (5) of one side fixedly connected with of pier (4), the opposite side fixedly connected with second stiffener (6) of pier (4), the bottom of second stiffener (6) and first stiffener (5) all inserts in consolidating soil layer (7), the bottom of pier (4) is provided with base member (8).

2. The transverse limiting device for the adjacent beam ends of the bridge according to claim 1, wherein:

the middle part of the lower surface of the bridge main body (1) is fixedly connected with the upper surface of a supporting splint (9);

the middle part of the lower surface of the supporting plate (9) is fixedly connected with the top end of a supporting column body (10).

3. The transverse limiting device for the adjacent beam end of the bridge according to claim 2, wherein:

the upper surface of the supporting plate (9) is fixedly connected with a clamping pile (11);

the clamping piles (11) are trapezoidal.

4. The transverse limiting device for the adjacent beam end of the bridge according to claim 2, wherein:

the lower surface of the bridge main body (1) is provided with a trapezoidal groove matched with the clamping pile (11);

the bottom end of the supporting column body (10) is fixed on the surface of the reinforced soil layer (7).

5. The transverse limiting device for the adjacent beam ends of the bridge according to claim 1, wherein:

a placing groove (12) is formed in one end, close to the supporting platform (2) and the supporting plate (9), of the supporting platform;

the inner wall of one side of the placing groove (12) is fixedly connected with a fixed base (13).

6. The transverse limiting device for the adjacent beam end of the bridge according to claim 5, wherein:

one side of the fixed base (13) is fixedly connected with a buffer block (14);

the buffer block (14) is a rubber body.

7. The transverse limiting device for the adjacent beam ends of the bridge according to claim 1, wherein:

a buffer space (15) is formed between the support platform (2) and the support pallet (9);

the supporting platform (2), the reinforcing blocks (3) and the supporting plate (9) are all made of reinforced concrete;

one side of the reinforcing block (3) far away from the bridge main body (1) is fixedly connected with the supporting table (2) and the supporting table (2) is L-shaped.