CN216405087U

CN216405087U - Connecting structure of bridge expansion joint

Info

Publication number: CN216405087U
Application number: CN202123170241.5U
Authority: CN
Inventors: 王明涛; 曲世忱; 赵慧
Original assignee: Heilongjiang Longjian Road And Bridge No5 Engineering Co ltd
Current assignee: Heilongjiang Longjian Road And Bridge No5 Engineering Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-29
Anticipated expiration: 2031-12-16

Abstract

The utility model belongs to the technical field of bridge expansion joints, in particular to a connecting structure of a bridge expansion joint, which comprises a left connecting plate and a right connecting plate, the right side of the left connecting plate is provided with an inserting row plate, the left side of the right connecting plate is provided with an inserting plate, an inserting plate is connected between the left connecting plate and the right connecting plate, the butt joint plate is positioned at the upper sides of the power strip plate and the opposite insertion plate and comprises a rubber plate and a hard structural plate, the rubber plates and the hard structural plates are arranged in a staggered manner, the butt joint plate comprises a rotating module, translation modules are arranged on two sides of the rotating module, the body of the hard structural plate of the translation module is provided with a limiting hole, two adjacent hard structural plates in the device are connected through a limiting bolt, the spacing between two adjacent hard structural plates can be limited through the limiting bolt, and further the excessive expansion deformation of the hard structural plates is avoided.

Description

Connecting structure of bridge expansion joint

Technical Field

The utility model relates to the technical field of bridge expansion joints, in particular to a connecting structure of a bridge expansion joint.

Background

In order to meet the requirement of bridge deck deformation, expansion joints are usually arranged between two beam ends, between the beam ends and the abutment, or at the hinged position of the bridge, and the expansion joints are bridge expansion joints. The displacement and connection between the upper structures caused by vehicle load and bridge building materials can be adjusted, namely, the vehicles can smoothly pass through the bridge without sudden jump.

Present bridge expansion joint mainly adopts the shear type, the shear type is the telescoping device who utilizes the rubber tape of various different section shapes as the inlay material, rubber is rich in elasticity, easily paste, can also satisfy the deformation requirement and possess waterproof function, but the bridge is when the flexible deflection on length is great, rubber needs longer length, need rubber this moment to carry out the bearing to the vehicle, and the vehicle is pressed on rubber, can force the rubber sunken, at this moment the vehicle then can't smooth-going bridge expansion joint that passes through, still can lead to the vehicle to produce the kick when serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connecting structure of a bridge expansion joint, which aims to solve the problem that the existing shear type bridge expansion joint provided in the background technology is only suitable for bridges with small deformation.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a connection structure of bridge expansion joint, includes left fishplate bar and right fishplate bar, the right side of left fishplate bar is provided with inserts the row board, the left side of right fishplate bar is provided with the picture peg, be connected with the butt joint board between left fishplate bar and the right fishplate bar, the butt joint board is located inserts the row board and to the upside of picture peg, the butt joint board includes rubber slab and stereoplasm structural slab, rubber slab and stereoplasm structural slab staggered arrangement, the butt joint board is including rotating the module, the both sides of rotating the module all are provided with the translation module, spacing hole has been seted up on the body of the stereoplasm structural slab of translation module, the inboard in spacing hole is pegged graft and is had spacing bolt, spacing bolt runs through stereoplasm structural slab and rubber slab and adjacent the stereoplasm structural slab is connected, the inboard spiro union in spacing hole has limit nut.

Preferably, the extension board and the opposite insertion board all include fixed even board, left side fixed even right side and the right side of board the left side of fixed even board all is provided with the backup pad, backup pad on the extension board and the backup pad on the opposite insertion board are crisscross each other.

Preferably, the rear side of backup pad articulates there is the switching pole, the rear side of switching pole is provided with the guide post, the body front side of backup pad is opened and is equipped with the guide way, the guide post plug-in connection is in the guide way.

Preferably, the height of the adapter rod is the same as that of the support plate.

Preferably, the limiting bolt comprises a threaded column, a round column is arranged at one end of the threaded column, and a limiting column is arranged at the other end of the round column.

Compared with the prior art, the utility model has the beneficial effects that:

1) the device arranges the hard structural plates and the rubber plates alternately, when the bridge generates larger expansion deformation in the horizontal direction, the expansion deformation is equally divided on each rubber plate, and only smaller expansion deformation exists, while the rubber plates in the prior art can be used in the bridge expansion joints with smaller expansion deformation, so that the shear type bridge expansion joints are suitable for the bridge with larger deformation;

2) connect through spacing bolt between two adjacent stereoplasm structural slab in this device, can restrict the interval between two adjacent stereoplasm structural slab through spacing bolt, and then avoid the flexible deflection of stereoplasm structural slab too big.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view cross-sectional structural schematic of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic diagram of the structure of the power strip and the opposite power strip of the present invention;

FIG. 5 is a schematic top view, cross-sectional view of a patch panel and a counter-patch panel of the present invention;

FIG. 6 is a schematic view of a partial cross-sectional structure of the stop bolt of the present invention.

In the figure: 1 left fishplate bar, 2 right fishplate bars, 3 rigid structure board, 4 rubber slab, 5 extension boards, 51 fixed link board, 52 backup pad, 53 guide way, 6 keysets, 61 guide post, 7 pairs of picture peg, 8 spacing nut, 9 spacing bolts, 91 screw post, 92 circular post, 93 spacing post, 10 spacing holes.

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 "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-6, the present invention provides a technical solution: a connecting structure of a bridge expansion joint comprises a left connecting plate 1 and a right connecting plate 2, the other ends of the left connecting plate 1 and the right connecting plate 2 are respectively connected with bridges on two sides, the right side of the left connecting plate 1 is provided with an insertion plate 5, the left side of the right connecting plate 2 is provided with an insertion plate 7, a butt plate is connected between the left connecting plate 1 and the right connecting plate 2 and is positioned at the upper sides of the insertion plate 5 and the insertion plate 7, the insertion plate 5 and the insertion plate 7 are used for supporting the butt plate, the butt plate comprises a rubber plate 4 and a hard structural plate 3, the hard structural plate 3 can be a steel structural plate, the rubber plate 4 and the hard structural plate 3 are arranged in a staggered mode, the number of the rubber plate 4 and the hard structural plate 3 is increased along with the increase of the expansion deformation of the bridge, the bridge expansion joint is formed by connecting a plurality of the rubber plates 4 and the hard structural plates 3, and when the bridge is subjected to expansion deformation, only a small deformation is needed by the single rubber plate 4, further avoiding the rubber plate 4 from being too large due to deformation, the butt joint plate comprises a rotating module, translation modules are arranged on two sides of the rotating module, the translation modules on the two sides are respectively connected with the left connecting plate 1 and the right connecting plate 2, the translation module is composed of a hard structural plate 3, a rubber plate 4, a limiting nut 8 and a limiting bolt 9, the translation module can only carry out translation, the rotating module is composed of a hard structural plate 3 and a rubber plate 4 and can carry out translation and rotation, a certain amount of deformation can occur in the up-down direction of the bridge, in order to enable the butt joint plate to provide up-down direction deformation, the rotating module is arranged, a limiting hole 10 is formed in the body of the hard structural plate 3 of the translation module, the limiting bolt 9 is inserted into the inner side of the limiting hole 10, the limiting bolt 9 penetrates through the hard structural plate 3 and the rubber plate 4 and is connected with the adjacent hard structural plate 3, the limiting bolt 9 comprises a threaded column 91, threaded column 91's one end is provided with circular post 92, circular post 92's the other end is provided with spacing post 93, spacing post 93 is located spacing hole 10, and can remove about along spacing hole 10, spacing hole 10's inboard spiro union has limit nut 8, because rubber slab 4 is when producing deformation, be difficult to spur stereoplasm structural slab 3, this deformation volume that can lead to rubber slab 4 is too big, here spur stereoplasm structural slab 3 through limit bolt 9 and remove, a small amount of deformation volume supplements through the deformation of rubber slab 4, and then avoid the top surface of butt joint plate to produce the gap.

Insert row board 5 and all include fixed even board 51 to picture peg 7, the fixed right side of even board 51 in left side and the fixed left side of even board 51 in right side all are provided with backup pad 52, when the bridge produced flexible deflection when great, the bridge can stimulate left fishplate bar 1 and right fishplate bar 2 and keep away from each other, left side fishplate bar 1 and right fishplate bar 2 can drive fixed even board 51 and backup pad 52 and keep away from each other, backup pad 52 through inserting on row board 5 and to picture peg 7 crisscross each other, backup pad 52 that make is removing the in-process, backup pad 52 has the downside that backup pad 52 is located the butt joint board all the time, and then avoid the butt joint board unsettled.

When the deformation of direction about the bridge produced, left side fishplate bar 1 and right fishplate bar 2 can produce the difference in height, the difference in height can lead to the appearance of ladder, the ladder leads to the vehicle to produce jolting easily, the rear side of backup pad 52 articulates there is adapter rod 6, the rear side of adapter rod 6 is provided with guide post 61, guide way 53 has been seted up to the body front side of backup pad 52, guide post 61 is pegged graft in guide way 53, when left side fishplate bar 1 and right fishplate bar 2 produce the difference in height, adapter rod 6 can produce a slope, the rotation module is under the action of gravity this moment, also can produce a slope, can avoid the appearance of ladder through this slope, the height of adapter rod 6 is the same with the height of backup pad 52, the slope that can make like this is more smooth-going.

The working principle is as follows: when the bridge appears flexible deflection grow in the horizontal direction, left fishplate bar of both sides bridge pulling 1 and right fishplate bar 2 keep away from each other, left side fishplate bar 1 and the 2 pulling stereoplasm structural slab 3 of right fishplate bar move, 3 pulling spacing bolts 9 of stereoplasm structural slab move, stereoplasm structural slab 3 that spacing bolt 9 pulling is connected with it moves, appear flexible deflection when the bridge at the horizontal direction and diminish, both sides bridge promotes left fishplate bar 1 and right fishplate bar 2 and is close to each other, left side fishplate bar 1 and right fishplate bar 2 promote stereoplasm structural slab 3 and move, stereoplasm structural slab 3 promotes spacing bolt 9 and moves, spacing bolt 9 promotes spacing nut 8 and moves, stereoplasm structural slab 3 that spacing nut 8 pulling is connected with it moves.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connection structure at bridge expansion joint, includes left fishplate bar (1) and right fishplate bar (2), its characterized in that: the right side of a left side fishplate bar (1) is provided with a socket plate (5), the left side of a right side fishplate bar (2) is provided with a butt plate (7), a butt plate is connected between the left side fishplate bar (1) and the right side fishplate bar (2), the butt plate is positioned at the upside of the socket plate (5) and the butt plate (7), the butt plate comprises a rubber plate (4) and a hard structural plate (3), the rubber plate (4) and the hard structural plate (3) are arranged in a staggered manner, the butt plate comprises a rotating module, translation modules are arranged at two sides of the rotating module, a limiting hole (10) is formed in the body of the hard structural plate (3) of the translation modules, a limiting bolt (9) is inserted into the inner side of the limiting hole (10), the limiting bolt (9) penetrates through the hard structural plate (3) and the rubber plate (4) and is connected with the adjacent hard structural plate (3), and the inner side of the limiting hole (10) is in threaded connection with a limiting nut (8).

2. The connecting structure for a bridge expansion joint according to claim 1, wherein: insert row board (5) and all include fixed even board (51) to picture peg (7), the left side fixed right side and the right side of even board (51) the fixed left side of even board (51) all is provided with backup pad (52), backup pad (52) on inserting row board (5) and backup pad (52) to picture peg (7) are crisscross each other.

3. The connecting structure for a bridge expansion joint according to claim 2, wherein: the rear side of the supporting plate (52) is hinged with a switching rod (6), the rear side of the switching rod (6) is provided with a guide post (61), the front side of the body of the supporting plate (52) is provided with a guide groove (53), and the guide post (61) is inserted into the guide groove (53).

4. The connecting structure for a bridge expansion joint according to claim 3, wherein: the height of the adapter rod (6) is the same as that of the support plate (52).

5. The connecting structure for a bridge expansion joint according to claim 1, wherein: the limiting bolt (9) comprises a threaded column (91), a round column (92) is arranged at one end of the threaded column (91), and a limiting column (93) is arranged at the other end of the round column (92).