CN214061249U

CN214061249U - Public road bridge roof beam expansion joint

Info

Publication number: CN214061249U
Application number: CN202021976332.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Qinghai Transportation Planning And Design Institute Co Ltd
Current assignee: Qinghai Transportation Planning And Design Institute Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-08-27
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a public road bridge roof beam expansion joint, a serial communication port, include: the utility model relates to a road construction technical field, through pouring threaded rods in the bridge at equal intervals, and then the mounting connection structure carries out primary connection, forms a mounting fixed foundation and does not hinder relative movement between two bridges; simultaneously will bear the same spacing installation of frame structure and be located the connection structure top on the threaded rod, realize sheltering from, the effect of atress, also can warp the atress simultaneously in the bridge moves to firm the connection, this design still is convenient for drainage and sealed simultaneously, prevents that the internal contact rainwater from causing the oxidation to rust, shortens life.

Description

Public road bridge roof beam expansion joint

Technical Field

The utility model relates to a technical field is built on the road, specifically is a public road bridge roof beam expansion joint.

Background

The bridge is a building constructed for a road to cross natural or artificial barriers, is erected on rivers, lakes and seas, and enables vehicles, pedestrians and the like to smoothly pass through, and generally consists of an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge span structure and a support system; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the auxiliary structures refer to bridge head butt straps, conical revetments, bank protection, diversion projects and the like;

and the bridge expansion joint: the expansion joint is arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge, and is required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, so that the expansion joint is firm and reliable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public road bridge roof beam expansion joint to solve the problem of being convenient for the construction installation.

In order to achieve the above object, the utility model provides a following technical scheme: a highway bridge expansion joint, comprising: the bridge structure comprises a pair of bridges with the same structure and a plurality of telescopic mechanisms with the same structure, wherein the pair of bridges are fixed relatively, a certain distance is formed between the centers of the bridges, fixing grooves with the same structure are formed in the top ends of opposite side walls of the bridges, and the telescopic mechanisms are respectively fixedly arranged between the pair of bridges and are spliced relatively;

the telescopic machanism includes: the bridge comprises a connecting structure and a bearing structure, wherein the connecting structure is detachably arranged between a pair of bridges; the bearing structure is detachably arranged on the connecting structure and is horizontal to the upper wall of the bridge;

the connection structure includes: the device comprises a plurality of threaded rods with the same structure, a pair of bearing seats with the same structure, a plurality of first nuts with the same structure, two pairs of connecting rods with the same structure, a pair of bolts with the same structure and a pair of limiting nuts with the same structure;

one end of each of the threaded rods is fixedly poured into the upper wall of the bridge fixing groove and is positioned on a central line, a pair of the bearing seats are provided with a plurality of first through holes with the same structure at equal intervals at the central parts of the upper and lower side walls, the two ends of the bottom of the side wall are provided with rectangular openings with the same structure and are staggered with each other, the front and rear side walls are provided with inserting openings with the same structure along the central parts, a pair of the bearing seats are respectively detachably sleeved on one ends of a plurality of threaded rods and are respectively attached to the upper walls of a pair of bridge fixing grooves and are symmetrical with each other, a plurality of first nuts are respectively movably sleeved on the plurality of threaded rods and are in screwed connection with the threaded rods and are respectively attached to the upper walls of the bottom ends of the bearing seats, one ends of two pairs of the connecting rods are respectively movably embedded in the rectangular openings of the side walls of a pair of the bearing frames through pin shafts and are respectively staggered with each other and are symmetrical with each other, and adjusting grooves with the same structure are respectively arranged at the central parts of the two pairs of connecting rods, one end of each bolt movably penetrates through the two pairs of connecting rod adjusting grooves of the two pairs of connecting rods respectively, and the two pairs of limiting nuts are movably screwed on the bolts respectively.

Preferably, the load-bearing structure includes: the connecting plate, the stress plate, a plurality of second nuts with the same structure and a pair of baffles with the same structure;

the two ends of the connecting plate are equally spaced and provided with a plurality of second through holes with the same structure corresponding to the first through holes, the two ends of the connecting plate are respectively and movably sleeved on the other ends of the plurality of threaded rods, are respectively attached to the upper wall of the top end of the bearing seat and are matched with the bearing seat, the stress plate is in a rectangular structure, the central parts of the two ends of the stress plate are equally spaced and provided with a plurality of countersunk holes with the same structure corresponding to the first through holes, the two ends of the stress plate are respectively and movably sleeved on the other ends of the plurality of threaded rods, the two ends of the stress plate are respectively and closely attached to the connecting plate, a plurality of second nuts are respectively and movably screwed on the other ends of the plurality of threaded rods and are movably embedded in the countersunk holes of the stress plate, the pair of baffles are in a rectangular structure, the central parts of the two ends of the side wall are respectively provided with the same-structure inserting blocks, and the central parts of the lower wall of the pair of baffles are respectively provided with the same-structure V-shaped gaps, the pair of baffles are respectively detachably arranged between the pair of bearing seats, the insertion blocks are respectively inserted into the insertion holes, and the V-shaped openings are positioned below the insertion blocks.

Preferably, the connecting plate is a V-shaped steel plate structure.

Preferably, the stress plate is made of a rubber structure, and a plurality of ladder-shaped grooves with the same structure are equidistantly formed in the center of the upper wall of the stress plate.

Preferably, the carrier is of a concave structure.

Preferably, the connecting rods are all L-shaped structures.

Compared with the prior art, the beneficial effects of the utility model are that: according to the highway bridge expansion joint, the threaded rods are equidistantly poured into the bridge, and then the mounting and connecting structures are connected preliminarily, so that a mounting and fixing foundation is formed and relative movement between the two bridges is not hindered; simultaneously will bear the same spacing installation of frame structure and be located the connection structure top on the threaded rod, realize sheltering from, the effect of atress, also can warp the atress simultaneously in the bridge moves to firm the connection, this design still is convenient for drainage and sealed simultaneously, prevents that the internal contact rainwater from causing the oxidation to rust, shortens life.

Drawings

Fig. 1 is a schematic view of the installation structure of the present invention;

fig. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure A of the present invention;

fig. 4 is a schematic diagram of a local enlarged structure B of the present invention.

In the figure: 1. bridge, 2, connection structure, 21, threaded rod, 22, bearing seat, 23, first nut, 24, connecting rod, 25, bolt, 26, limit nut, 3, bearing structure, 31, connecting plate, 32, stress plate, 33, second nut, 34 and baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a highway bridge expansion joint, comprising: the bridge comprises a pair of bridges 1 with the same structure and a plurality of telescopic mechanisms with the same structure, wherein the pair of bridges 1 are fixed oppositely, a certain distance is formed between the centers of the bridges 1, fixing grooves with the same structure are formed in the top ends of opposite side walls of the bridges, and the telescopic mechanisms are fixedly arranged between the pair of bridges 1 and are spliced oppositely; a telescoping mechanism comprising: the bridge comprises a connecting structure 2 and a bearing structure 3, wherein the connecting structure 2 is detachably arranged between a pair of bridges 1; the bearing structure 3 is detachably arranged on the connecting structure 2 and is horizontal to the upper wall of the bridge 1; the connection structure 2 includes: a plurality of threaded rods 21 with the same structure, a pair of bearing seats 22 with the same structure, a plurality of first nuts 23 with the same structure, two pairs of connecting rods 24 with the same structure, a pair of bolts 25 with the same structure and a pair of limiting nuts 26 with the same structure; one end of each of a plurality of threaded rods 21 is respectively and fixedly poured in the upper wall of a fixed groove of a bridge 1 and is positioned on a central line, a plurality of first through holes with the same structure are arranged at the central parts of the upper and lower side walls of a pair of bearing seats 22 at equal intervals, rectangular openings with the same structure and staggered with each other are arranged at the two ends of the bottom of the side walls, sockets with the same structure are arranged at the central parts of the front and rear side walls of the bearing seats, a pair of bearing seats 22 are respectively and detachably sleeved on one end of each of the plurality of threaded rods 21 and are respectively attached to the upper walls of the fixed grooves of the pair of bridges 1 and are symmetrical with each other, a plurality of first nuts 23 are respectively and movably sleeved on the plurality of threaded rods 21 and are in screwed connection with the threaded rods 21 and are respectively attached to the upper walls of the bottom of the bearing seats 22, one end of each of two pairs of connecting rods 24 is respectively and movably embedded in the rectangular openings of the side walls of the pair of bearing seats through pin shafts and are respectively staggered with each other symmetrical with each other, and adjusting grooves with the same structure are arranged at the central parts of the two connecting rods, one end of each bolt 25 is movably penetrated in the adjusting grooves of the two pairs of connecting rods 24 respectively, and the two pairs of limit nuts 26 are movably screwed on the bolts 25 respectively; the two disconnected bridges 1 can be initially connected by the connecting structure 2 without interfering with the movement of the two bridges 1.

Preferably, the supporting structure 3 further includes: the connecting plate 31, the stress plate 32, a plurality of second nuts 33 with the same structure and a pair of baffles 34 with the same structure;

the connecting plate 31 has two ends equally spaced and provided with a plurality of second through holes with the same structure corresponding to the first through holes, the connecting plate 31 has two ends respectively and movably sleeved on the other ends of the plurality of threaded rods 21 and respectively jointed with the upper wall of the top end of the bearing seat 22 and matched with the bearing seat 22, the stress plate 32 has a rectangular structure, and has two ends equally spaced and provided with a plurality of countersunk holes corresponding to the first through holes, the stress plate 32 has two ends respectively and movably sleeved on the other ends of the plurality of threaded rods 21 and respectively jointed with the connecting plate 31, a plurality of second nuts 33 respectively and movably screwed on the other ends of the plurality of threaded rods 21 and movably embedded in the countersunk holes of the stress plate 32, the pair of baffle plates 34 are rectangular structures, the central parts of the two ends of the side wall are respectively provided with inserting blocks with the same lower wall structure, and the central parts are respectively provided with V-shaped gaps with the same structure, the pair of baffles 34 are detachably disposed between the pair of bearing seats 22, and the insertion blocks are inserted into the insertion holes respectively, and the V-shaped openings are located below.

Preferably, the connecting plate 31 is a V-shaped steel plate structure, so as to facilitate the connection by deformation under force.

As a preferred scheme, furthermore, the stress plate 32 is made of a rubber structure, and a plurality of trapezoidal grooves with the same structure are equidistantly formed in the central position of the upper wall of the stress plate, so that the stress plate is convenient to deform under stress.

Preferably, the carrier 22 is a concave structure, which is convenient for installation.

As a preferred scheme, furthermore, the connecting rods 24 are all L-shaped structures, which are used for design requirements and facilitate relative movement under stress.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as can be seen from fig. 1-4 of the specification, first, one end of the threaded rod 21 in the connection structure 2 is poured into the opposite fixing grooves of the bridge 1 at equal intervals in advance, and then the bearing seat 22 can be placed in the fixing grooves, so that the threaded rod 21 penetrates through the upper and lower ends of the bearing seat 22, and the bearing seat 22 can be fixed by means of the first nut 23, thereby forming an installation connection foundation; and two connecting rods 24 which are relatively staggered with each other are connected to form connection through the matching of the bolt 25 and the limiting nut 26; secondly, the connecting plate 31 and the stress plate 32 in the bearing structure 3 are sequentially arranged on the threaded rod 21 and are located on the bearing seat 22, and after the limiting and fixing are carried out through the second nut 33, the stress plate 32 is made to be horizontal with the upper wall of the bridge 1, so that the connection is completed; when relative movement or the time of floating from top to bottom between the bridge 1, can make two connecting rods carry out crisscross removal through the slip of bolt 25 and shorten the distance between two bridges 1, can extrude connecting plate 31 simultaneously, because it is the V type, consequently can the atress fold, simultaneously because atress board 32 is the rubber material, and the trapezoidal groove has been seted up to the upper wall, also can take place deformation under the condition of both ends atress, do not influence the connection and the vehicle between two bridges 1 and travel.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; meanwhile, unless explicitly specified or limited otherwise, the terms "fixed casting", "movable sleeving", "screwing", "movable embedding", "movable penetrating", and the like, should be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A highway bridge expansion joint, comprising: the bridge structure comprises a pair of bridges (1) with the same structure and a plurality of telescopic mechanisms with the same structure, wherein the pair of bridges (1) are fixed relatively, a certain distance is formed in the center of each bridge, fixing grooves with the same structure are formed in the top ends of opposite side walls of each bridge, and the plurality of telescopic mechanisms are respectively fixedly arranged between the pair of bridges (1) and are spliced relatively;

the telescopic machanism includes: the bridge comprises a connecting structure (2) and a bearing structure (3), wherein the connecting structure (2) is detachably arranged between a pair of bridges (1); the bearing structure (3) is detachably arranged on the connecting structure (2) and is horizontal to the upper wall of the bridge (1);

the connection structure (2) comprises: the device comprises a plurality of threaded rods (21) with the same structure, a pair of bearing seats (22) with the same structure, a plurality of first nuts (23) with the same structure, two pairs of connecting rods (24) with the same structure, a pair of bolts (25) with the same structure and a pair of limiting nuts (26) with the same structure;

one end of each of the threaded rods (21) is fixedly poured into the upper wall of a fixed groove of the bridge (1) and is positioned on a central line, a pair of the bearing seats (22) are provided with a plurality of first through holes with the same structure at the central parts of the upper and lower side walls at equal intervals, two ends of the bottom of each side wall are provided with rectangular openings with the same structure and staggered with each other, the front and rear side walls are provided with inserting openings with the same structure along the central parts, a pair of the bearing seats (22) are respectively detachably sleeved on one end of each of the threaded rods (21) and are respectively attached to the upper walls of the fixed grooves of the bridge (1) and are symmetrical with each other, a plurality of first nuts (23) are respectively movably sleeved on the threaded rods (21) and are rotatably connected with the threaded rods (21) and are respectively attached to the upper wall at the bottom end of each bearing seat (22), one end of each of the two pairs of the connecting rods (24) is respectively movably embedded in the rectangular openings of the side walls of the bearing frames through a pin shaft, the bolts (25) are respectively staggered and mutually symmetrical, adjusting grooves with the same structure are formed in the center positions of the bolts, one end of each bolt (25) movably penetrates through the adjusting grooves of the two pairs of connecting rods (24), and the two pairs of limiting nuts (26) are respectively movably screwed on the bolts (25).

2. A road bridge expansion joint according to claim 1, wherein: the load-bearing structure (3) comprising: the device comprises a connecting plate (31), a stress plate (32), a plurality of second nuts (33) with the same structure and a pair of baffles (34) with the same structure;

the two ends of the connecting plate (31) are equally spaced and provided with a plurality of second through holes with the same structure as the first through holes, the two ends of the connecting plate (31) are respectively movably sleeved on the other ends of the plurality of threaded rods (21) and are respectively attached to the upper wall of the top end of the bearing seat (22) and are matched with the bearing seat (22), the stress plate (32) is of a rectangular structure, the center parts of the two ends of the stress plate are equally spaced and provided with a plurality of countersunk holes with the same structure as the first through holes, the two ends of the stress plate (32) are respectively movably sleeved on the other ends of the plurality of threaded rods (21) and are respectively attached to the connecting plate (31), a plurality of second nuts (33) are respectively movably screwed on the other ends of the plurality of threaded rods (21) and are movably embedded in the countersunk holes of the stress plate (32), and the pair of baffles (34) are both of rectangular structures, and the central parts of the two ends of the side wall are respectively provided with an inserting block with the same structure, the central part of the lower wall of the side wall is respectively provided with a V-shaped opening with the same structure, the pair of baffles (34) are respectively and detachably arranged between the pair of bearing seats (22), the inserting blocks are respectively inserted in the inserting openings, and the V-shaped openings are positioned below.

3. A road bridge expansion joint according to claim 2, wherein: the connecting plate (31) is of a V-shaped steel plate structure.

4. A road bridge expansion joint according to claim 2, wherein: the stress plate (32) is made of a rubber structure, and a plurality of trapezoidal grooves with the same structure are equidistantly arranged at the central part of the upper wall of the stress plate.

5. A road bridge expansion joint according to claim 1, wherein: the bearing seats (22) are all concave structures.

6. A road bridge expansion joint according to claim 1, wherein: the connecting rods (24) are all L-shaped structures.