CN112411357A

CN112411357A - Bridge expansion joint pier and bridge connecting structure

Info

Publication number: CN112411357A
Application number: CN202011363179.9A
Authority: CN
Inventors: 张毅; 张碧
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-02-26

Abstract

A bridge expansion joint bridge pier and bridge connecting structure relates to the field of bridges. This connection structure includes two connecting piece bodies, installs same rubber mounting panel on two connecting piece bodies, and the top side fixed mounting of rubber mounting panel has a plurality of expanding spring, and movable mounting has same decorative board on a plurality of expanding spring, and the bottom side fixed mounting of rubber mounting panel has two fixed plates. Through the arrangement of the rubber mounting plate and the decorative plate, when an automobile is pressed on the decorative plate, the decorative plate can drive the plurality of telescopic springs to be stressed and contracted, and meanwhile, the rubber sealing strip has elasticity, so that the decorative plate can be quickly reset after the automobile passes through, and further has a good buffering function, so that the decorative plate can be effectively prevented from being damaged, the maintenance times of the decorative plate are reduced, and the use cost of the bridge expansion joint is reduced; through the setting of sealing rubber area, when effectively preventing that impurity from falling into this internally of connecting piece, effectively improve the shock resistance of decorative board.

Description

Bridge expansion joint pier and bridge connecting structure

Technical Field

The invention relates to the technical field of bridges, in particular to a connecting structure of a bridge pier and a bridge at a bridge expansion joint.

Background

Bridge expansion joints: 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, when a vehicle runs, the expansion joint is smooth, free of sudden jump and noise, capable of preventing rainwater and garbage soil from permeating and blocking, and simple and convenient to install, inspect, maintain and eliminate dirt. At the position of the expansion joint, the handrail and the bridge deck are disconnected, and the bridge expansion joint generally has a butt joint type, a steel supporting type, a combined shearing type (plate type), a module supporting type and an elastic device.

In the prior art, after the bridge expansion joint is installed, a cement decorative surface or a decorative surface such as asphalt is often installed on the surface of the bridge expansion joint, but the decorative surfaces do not have any buffer structure, so that when the bridge expansion joint is used for a long time, when an automobile drives into the bridge expansion joint, the decorative surfaces are extremely easy to damage, and further frequent maintenance is needed, so that the use cost of the bridge expansion joint is high; in addition, in the process of installing or disassembling and replacing the connecting structure, the process is complex, the stability of the connecting structure is not very high, the butterfly effect is easily caused, and more dangerous road traffic accidents are caused.

Disclosure of Invention

The invention aims to provide a connecting structure of a bridge pier and a bridge at a bridge expansion joint, which aims to solve the problem that the use cost of the bridge expansion joint is high because a cement decorative surface or a decorative surface such as asphalt is often arranged on the surface of the bridge expansion joint after the bridge expansion joint is arranged, but the decorative surfaces do not have any buffer structure, and when the bridge expansion joint is used for a long time and an automobile drives into the bridge expansion joint, the decorative surface is extremely easy to damage, and further the bridge expansion joint needs to be maintained frequently; in addition, the invention can also solve the problems of complex installation procedure and poor stability of the traditional connecting structure, and further ensures the working condition practicability of the connecting structure and the quality of the whole structure.

The embodiment of the invention is realized by the following steps:

a connecting structure of a bridge pier and a bridge at a bridge expansion joint comprises two connecting piece bodies, wherein the two connecting piece bodies are provided with the same rubber mounting plate, the top sides of the rubber mounting plates are fixedly provided with a plurality of expansion springs, and one side, close to the ground, of the expansion springs is movably provided with the same decorative plate; the mounting groove has all been seted up with the both sides of decorative board to the one side that two connecting piece bodies are close to each other, lies in movable mounting with two mounting groove of one side and has same rubber seal area.

The bottom side fixed mounting of rubber mounting panel has two fixed plates, has all seted up a plurality of flexible holes on two fixed plates, and equal movable mounting has the wedge kelly in a plurality of flexible holes, and a plurality of draw-in grooves have all been seted up to two connecting piece bodies, and a plurality of wedge kellies that lie in same one side extend to respectively to lie in corresponding a plurality of draw-in grooves with one side, and the one end fixed mounting that the corresponding draw-in groove was kept away from to a plurality of wedge kellies that lie in same one side has same connecting plate.

The rubber mounting plate is movably provided with a threaded rod, the bottom end of the threaded rod is fixedly provided with a top block, and the top block is in contact with one side of the two connecting plates close to each other.

Further, in the preferred embodiment of the present invention, a plurality of extension springs are arranged in an array; a plurality of slots have been seted up to the bottom side of decorative board, and equal movable mounting has the cutting in a plurality of slots, is located the top fixed mounting of a plurality of expanding spring on the collinear on same cutting.

Furthermore, in a preferred embodiment of the present invention, the inner walls of the two sides of the two slots are both provided with sliding grooves, the two sliding grooves are slidably provided with the same sliding block, and the inserting bar is fixedly provided on the sliding block.

Furthermore, in the preferred embodiment of the invention, the wear-resistant lubricating layer is arranged on the surfaces of the two connecting plates, which are in contact with the top block, and the thickness of the wear-resistant lubricating layer is 1.2-1.6 mm;

the two corresponding fixing plates are arranged in parallel relatively; the threaded rod is a plurality of, and a plurality of threaded rods set up along connecting plate length direction interval.

Further, in a preferred embodiment of the present invention, the thickness of the wear-resistant lubricating layer is 1.4mm, the wear-resistant lubricating layer sequentially includes a receiving layer and a graphite layer along the thickness direction, the receiving layer is made of stainless steel, and the graphite layer is made of graphene material;

the inner wall of the mounting groove is provided with a movable groove, a clamping block is inserted in the movable groove, and one side of the rubber sealing belt is fixedly mounted on the clamping block.

Further, in the preferred embodiment of the invention, the rubber mounting plate is provided with a threaded hole matched with the threaded rod, and the threaded rod is installed in the threaded hole in a threaded manner.

Further, in a preferred embodiment of the present invention, a hexagonal groove is annularly formed on an inner wall of the threaded hole, a hexagonal block is movably mounted in the hexagonal groove, and the threaded rod is movably mounted on the hexagonal block.

Further, in a preferred embodiment of the present invention, the threaded rod is provided with a pulling groove, the pulling groove is movably provided with a pulling block, the pulling block is fixedly installed on the hexagonal block, and the pulling groove and the pulling block are both arranged in a rectangular shape.

Furthermore, in a preferred embodiment of the present invention, a plurality of return springs are disposed on both sides of the top block, and both ends of each return spring are respectively and fixedly mounted on a side where the two connecting plates are close to each other;

every reset spring corresponds and all is provided with the direction core along the axial, and the direction core is located and corresponds inside every reset spring, and the both ends of every direction core and the equal sliding sleeve in one side that two connecting plates are close to each other establish, and the tip at the both ends of every direction core can be dismantled and set up the stopping clamp to make the direction core with correspond the connecting plate relative slip in-process, the tip that corresponds the direction core remains to be connected the cooperation relation with the connecting plate throughout.

Further, in a preferred embodiment of the present invention, the same rubber belt is movably mounted on the two connecting piece bodies, mounting plates are fixedly mounted on the sides of the two connecting piece bodies away from each other, and mounting frames are fixedly mounted on the two mounting plates.

The embodiment of the invention has the beneficial effects that: through the arrangement of the rubber mounting plate and the decorative plate, when an automobile is pressed on the decorative plate, the decorative plate can drive the plurality of telescopic springs to be stressed and contracted, so that the decorative plate can reset through the elastic restoring force (release of elastic potential energy) of the plurality of telescopic springs after the automobile runs, and meanwhile, the two sealing rubber belts can also reset, so that the decorative plate has a buffering function, the damage of the decorative plate can be effectively avoided, the maintenance frequency of the decorative plate is reduced, and the use cost of the bridge expansion joint is reduced; in addition, through the combination setting of sealing rubber area and spring, not only can effectively prevent that the impurity such as dust or stone from falling into corresponding connecting piece originally internally, but also effectively improved the shock resistance of decorative board, all reduced to minimumly with decorative board at vertical and horizontal vibration energy.

It should be further noted that, in the embodiment of the present invention, through reasonable arrangement and elaborate design of the slot, the insert, the chute, the slider, the extension spring, the mounting groove, the clamping block, the rubber sealing strip, the fixing plate, the extension hole, the wedge-shaped clamping rod, the connecting plate, the clamping groove, the return spring, the hexagonal groove, the hexagonal block, the threaded hole, the threaded rod, the pulling groove, the pulling block, and the ejector block, when the rubber mounting plate needs to be mounted, the rubber mounting plate only needs to be placed between the two connecting piece bodies, and then the hexagonal block is rotated, so that the ejector block can push the two connecting plates to move away from each other, and then the plurality of wedge-shaped clamping rods can be inserted into the plurality of clamping grooves to realize rapid positioning and stabilization of the rubber mounting plate in a three-dimensional space, and then the decorative plate can be inserted into the plurality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a connection structure between a bridge pier and a bridge at a bridge expansion joint according to a first embodiment of the present invention;

fig. 2 is a schematic bottom view of a connection structure between a bridge pier and a bridge at a bridge expansion joint according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2 of a connection structure between a bridge pier and a bridge at a bridge expansion joint according to a first embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a connection structure between a bridge pier and a bridge at an expansion joint of a bridge according to a first embodiment of the present invention;

fig. 5 is an enlarged schematic view of a cross-sectional structure of one side of a connection structure between a bridge pier and a bridge at an expansion joint of the bridge according to the first embodiment of the present invention;

fig. 6 is a schematic structural view of a portion B in fig. 5 of a connection structure between a bridge pier and a bridge at a bridge expansion joint according to a first embodiment of the present invention;

fig. 7 is a schematic partial sectional view of a connection structure between a bridge pier and a bridge at an expansion joint of a bridge according to a first embodiment of the present invention;

fig. 8 is a schematic structural view of a connection structure between a bridge pier and a bridge at a bridge expansion joint according to a second embodiment of the present invention.

Icon: 100-a connecting structure of a bridge pier and a bridge at the expansion joint of the bridge; 101-a connector body; 102-a rubber mounting plate; 103-a decorative plate; 104-a slot; 105-cutting; 106-a chute; 107-a slide block; 108-a telescoping spring; 109-mounting grooves; 110-a moving slot; 111-a cartridge; 112-rubber sealing tape; 113-a fixed plate; 114-a telescoping bore; 115-wedge shaped clamping bar; 116-a connecting plate; 117-card slot; 118-a return spring; 119-hexagonal groove; 120-hexagonal block; 121-a threaded hole; 122-a threaded rod; 123-pull groove; 124-pulling the block; 125-top block; 200-a connecting structure of a bridge pier and a bridge at the expansion joint of the bridge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

First embodiment

Referring to fig. 1 to 7, the present embodiment provides a connection structure 100 for a bridge pier and a bridge at a bridge expansion joint, and relates to the field of bridges. It should be noted that, in the connection structure 100 of a bridge pier and a bridge at a bridge expansion joint provided in this embodiment, through the arrangement of the rubber mounting plate 102 and the decorative plate 103, when an automobile is pressed on the decorative plate 103, the decorative plate 103 can drive the plurality of expansion springs 108 to be stressed and contracted, and therefore, after the automobile passes through, the decorative plate 103 can be reset through elastic restoring force (release of elastic potential energy) of the plurality of expansion springs 108, and meanwhile, the two sealing rubber belts can also be reset, so that the decorative plate 103 has a buffering function, damage to the decorative plate 103 can be effectively avoided, maintenance times of the decorative plate 103 are reduced, and use cost of the bridge expansion joint is reduced; in addition, through the combination setting of sealing rubber area and spring, not only can effectively prevent that the impurity such as dust or stone from falling into corresponding connecting piece body 101 in, but also effectively improved the shock resistance of decorative board 103, all reduced decorative board 103 to minimumly at vertical and horizontal vibration energy.

Specifically, movable mounting has same rubber tape on two connecting piece bodies 101, and the equal fixed mounting in one side that two connecting piece bodies 101 kept away from each other has the mounting panel, and equal fixed mounting has the mounting bracket on two mounting panels, and connecting piece body 101 passes through mounting panel and mounting bracket to be installed on the bridge.

Further specifically, the connection structure 100 of bridge expansion joint department pier and bridge that this embodiment provided, it includes two connecting piece bodies 101, installs same rubber mounting panel 102 on two connecting piece bodies 101, and the top side fixed mounting of rubber mounting panel 102 has a plurality of expanding spring 108, and one side movable mounting that is close to ground on a plurality of expanding spring 108 has same decorative board 103. It should be emphasized that, when the automobile is pressed on the decorative plate 103, the decorative plate 103 drives the plurality of expansion springs 108 to be stressed and contracted, and after the automobile runs, the elastic restoring force of the plurality of expansion springs 108 is also the release of the elastic potential energy, so that the decorative plate 103 is reset, in the process, the decorative plate 103 has a strong buffering function by means of the plurality of expansion springs 108 before and after bearing, the damage of the decorative plate 103 can be effectively avoided, the maintenance frequency of the decorative plate is reduced, and the use cost of the bridge expansion joint is reduced.

Preferably, a plurality of extension springs 108 are arranged in an array; a plurality of slots 104 are formed in the bottom side of the decorative plate 103, inserting strips 105 are movably mounted in the slots 104, and the top ends of the telescopic springs 108 located on the same straight line are fixedly mounted on the same inserting strip 105. Further preferably, the inner walls of the two sides of the two slots 104 are both provided with sliding grooves 106, the two sliding grooves 106 are internally and slidably provided with the same sliding block 107, the inserting bar 105 is fixedly arranged on the sliding block 107, and the decorative plate 103 can be inserted into the sliding blocks 107 through the sliding grooves 106. It should be noted that, through the arrangement of the plurality of expansion springs 108 in an array manner, the stability and uniformity of pressure bearing can be effectively ensured, the buffering action process of the decorative plate 103 is more stable, the service life is longer, and the butterfly effect caused by stress concentration due to uneven stress is effectively avoided.

Further specifically, mounting grooves 109 are formed in one side of each of the two connecting piece bodies 101 close to each other and two sides of the decorative plate 103, and the same rubber sealing strip 112 is movably mounted in the two mounting grooves 109 on the same side.

Preferably, a moving groove 110 is formed on an inner wall of the mounting groove 109, a latch 111 is inserted into the moving groove 110, one side of the rubber sealing tape 112 is fixedly mounted on the latch 111, and the rubber sealing tape 112 can be inserted into the two moving grooves 110 through the two latches 111, so that the rubber sealing tape 11212 is convenient to mount. It should be noted that, through the combination of the sealing rubber belt and the spring, not only can the impurities such as dust or stones be effectively prevented from falling into the corresponding connecting piece body 101, but also the shock resistance of the decorative plate 103 is effectively improved, and the vibration energy of the decorative plate 103 in the longitudinal direction and the transverse direction is reduced to the minimum.

Further, two fixed plates 113 are fixedly mounted on the bottom side of the rubber mounting plate 102, a plurality of telescopic holes 114 are formed in the two fixed plates 113, wedge-shaped clamping rods 115 are movably mounted in the telescopic holes 114, a plurality of clamping grooves 117 are formed in the two connecting piece bodies 101, the wedge-shaped clamping rods 115 located on the same side extend into the clamping grooves 117 located on the same side, and one end of each wedge-shaped clamping rod 115 located on the same side, far away from the corresponding clamping groove 117, is fixedly mounted with the same connecting plate 116. In addition, a threaded rod 122 is movably mounted on the rubber mounting plate 102, a top block 125 is fixedly mounted at the bottom end of the threaded rod 122, and the top block 125 is in contact with one side of the two connecting plates 116 close to each other.

Preferably, a wear-resistant lubricating layer is arranged on the surface of the two connecting plates 116 contacting with the top block 125, the thickness of the wear-resistant lubricating layer is 1.2-1.6mm, and the two fixing plates 113 are arranged in parallel.

More preferably, the thickness of the wear-resistant lubricating layer is 1.4mm, the wear-resistant lubricating layer sequentially comprises a receiving layer and a graphite layer along the thickness direction, the receiving layer is made of stainless steel, and the graphite layer is made of graphene material. It should be noted that, the thickness and the material of the wear-resistant lubricating layer are limited, so that the thickness will affect the service life and the cost of the wear-resistant lubricating layer, and the type of the material will affect the usability and the lubricating effect of the contact operation between the wear-resistant lubricating layer and the top block 125.

Further, a threaded hole 121 matched with the threaded rod 122 is formed in the rubber mounting plate 102, and the threaded rod 122 is installed in the threaded hole 121 in a threaded mode. Furthermore, a hexagonal groove 119 is annularly formed in the inner wall of the threaded hole 121, a hexagonal block 120 is movably mounted in the hexagonal groove 119, and a threaded rod 122 is movably mounted on the hexagonal block 120.

Preferably, a pulling groove 123 is formed in the threaded rod 122, a pulling block 124 is movably mounted in the pulling groove 123, the pulling block 124 is fixedly mounted on the hexagonal block 120, and both the pulling groove 123 and the pulling block 124 are arranged in a rectangular shape.

Further, the both sides of kicking block 125 all are equipped with a plurality of reset spring 118, the both ends difference fixed mounting of every reset spring 118 is on the one side that two connecting plates 116 are close to each other, preferably, every reset spring 118 corresponds and all is provided with the direction core along the axial, the direction core is located and corresponds inside every reset spring 118, and the equal sliding sleeve in one side that the both ends of every direction core and two connecting plates 116 are close to each other establishes, the tip at the both ends of every direction core can be dismantled and set up the stopping clamp, so that the direction core with correspond connecting plate 116 relative slip in-process, the tip that corresponds the direction core keeps being connected the cooperation relation with connecting plate 116 all the time, guarantee that two connecting plate 116 relative motion (be close to or keep away from) in-process can obtain accurate direction, and can not appear deviating along the dislocation of connecting plate 116 length direction.

The working principle of the connection structure 100 for a bridge expansion joint pier and a bridge provided by the embodiment is as follows:

during construction, the rubber mounting plate 102 may be placed on the two connector bodies 101, at which time the hexagonal block 120 is rotated, so that the hexagonal block 120 drives the pulling block 124 to rotate, the pulling block 124 rotates to drive the threaded rod 122 to rotate through the pulling groove 123, the threaded rod 122 rotates in the threaded hole 121, thereby causing the threaded rod 122 to drive the top block 125 to rotate, the top block 125 rotates to push the two connecting plates 116 to rotate, thereby enabling the two connecting plates 116 to move towards the sides far away from each other, enabling the plurality of reset springs 118 to be stressed and stretched, enabling the guide core to play a role of guiding in the axial direction of the guide core, enabling the two connecting plates 116 to move to drive the plurality of wedge-shaped clamping rods 115 to move, so that the wedge-shaped clamping rods 115 are respectively inserted into the clamping grooves 117, and at this time, the hexagonal block 120 is pressed, so that the hexagonal block 120 is moved in the pulling groove 123 by the pulling block 124 until the hexagonal block 120 is inserted into the hexagonal groove 119, thereby effectively preventing the screw rod 122 from being loosened.

Further, decorative board 103 can be moved, make a plurality of sliders 107 inject respectively in a plurality of spouts 106, then inject rubber sealing strip 112 respectively in two moving grooves 110 through two fixture blocks 111, can install decorative board 103 on rubber mounting panel 102, thereby make the car when pressing decorative board 103, make decorative board 103 drive a plurality of expanding spring 108 atress shrink, and stimulate two rubber sealing strips 112 to extend, after the car has travelled, elastic restoring force through a plurality of expanding spring 108, make decorative board 103 can reset, and then the effectual damage of decorative board 103 of having avoided.

Second embodiment

As shown in fig. 8, with reference to fig. 1 to 7, the connection structure 200 for a bridge pier and a bridge at a bridge expansion joint provided in this embodiment is substantially the same as the connection structure 100 for a bridge pier and a bridge at a bridge expansion joint provided in the first embodiment, except that a plurality of threaded rods 122 are provided corresponding to the connection structure 200 for a bridge pier and a bridge at a bridge expansion joint provided in this embodiment, and the plurality of threaded rods 122 are arranged at intervals along the length direction of the connection plate 116. It should be noted that the plurality of threaded rods 122 required as described above are provided to further enhance the positioning stability and the reliability of the rubber mounting plate 102 in the three-dimensional space.

In summary, in the connection structure of a bridge pier at a bridge expansion joint and a bridge provided by the embodiment of the invention, through the arrangement of the rubber mounting plate and the decorative plate, when an automobile is pressed on the decorative plate, the decorative plate can drive the plurality of telescopic springs to be stressed and contracted, so that after the automobile drives, the decorative plate can be rapidly reset through the elastic restoring force of the plurality of telescopic springs, and meanwhile, the two sealing rubber belts can also be reset, so that the decorative plate is damaged due to the buffer effect, the maintenance frequency of the decorative plate is reduced, and the use cost of the bridge expansion joint is reduced; in addition, through the combination setting of sealing rubber area and spring, not only can effectively prevent that the impurity such as dust or stone from falling into corresponding connecting piece originally internally, but also effectively improved the shock resistance of decorative board, all reduced to minimumly with decorative board at vertical and horizontal vibration energy. It is further emphasized that, in the embodiment of the present invention, through reasonable arrangement and exquisite design of the slot, the insert, the chute, the slider, the extension spring, the mounting groove, the clamping block, the rubber sealing strip, the fixing plate, the extension hole, the wedge-shaped clamping rod, the connecting plate, the clamping groove, the return spring, the hexagonal groove, the hexagonal block, the threaded hole, the threaded rod, the pulling groove, the pulling block, and the ejector block, when the rubber mounting plate needs to be mounted, the rubber mounting plate can be rapidly positioned and stabilized in a three-dimensional space by placing the rubber mounting plate between two connecting piece bodies and then rotating the hexagonal block, so that the ejector block can be moved away from the two connecting plates, and further the plurality of wedge-shaped clamping rods can be inserted into the plurality of clamping grooves to achieve rapid and convenient mounting and/or maintenance of the rubber mounting plate in a three-dimensional space, and.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A connecting structure of a bridge pier and a bridge at a bridge expansion joint is characterized by comprising two connecting piece bodies, wherein the two connecting piece bodies are provided with the same rubber mounting plate, the top sides of the rubber mounting plates are fixedly provided with a plurality of telescopic springs, and one side, close to the ground, of the plurality of telescopic springs is movably provided with the same decorative plate; mounting grooves are formed in one side, close to each other, of each connecting piece body and two sides of each decorative plate, and the same rubber sealing strip is movably mounted in the two mounting grooves in the same side;

two fixed plates are fixedly mounted on the bottom side of the rubber mounting plate, a plurality of telescopic holes are formed in the two fixed plates, wedge-shaped clamping rods are movably mounted in the telescopic holes, a plurality of clamping grooves are formed in the two connecting piece bodies, the wedge-shaped clamping rods positioned on the same side extend into the clamping grooves positioned on the corresponding same side respectively, and one end, far away from the corresponding clamping groove, of each wedge-shaped clamping rod positioned on the same side is fixedly provided with the same connecting plate;

the rubber mounting panel is last movable mounting has the threaded rod, the bottom fixed mounting of threaded rod has the kicking block, the kicking block and two one side that the connecting plate is close to each other contacts.

2. The bridge pier and bridge connection structure at the bridge expansion joint according to claim 1, wherein a plurality of the expansion springs are arranged in an array; the bottom side of decorative board has seted up a plurality of slots, and is a plurality of all movable mounting has the cutting in the slot, is located a plurality of on the collinear a plurality of expanding spring's top fixed mounting be in same on the cutting.

3. The bridge pier and bridge connection structure at the bridge expansion joint according to claim 2, wherein sliding grooves are formed in the inner walls of the two sides of the two slots, the same sliding block is slidably mounted in the two sliding grooves, and the inserting strips are fixedly mounted on the sliding blocks.

4. The bridge pier and bridge connecting structure at the bridge expansion joint according to claim 1, wherein a wear-resistant lubricating layer is arranged on the surfaces of the two connecting plates, which are in contact with the top block, and the thickness of the wear-resistant lubricating layer is 1.2-1.6 mm;

the two corresponding fixing plates are arranged in parallel relatively; the threaded rod is a plurality of, and a plurality of the threaded rod is followed connecting plate length direction interval sets up.

5. The bridge pier and bridge connection structure at the bridge expansion joint according to claim 4, wherein the wear-resistant lubricating layer is 1.4mm thick, and sequentially comprises a bearing layer and a graphite layer in the thickness direction, the bearing layer is made of stainless steel, and the graphite layer is made of graphene material;

the inner wall of the mounting groove is provided with a moving groove, a clamping block is inserted in the moving groove, and one side of the rubber sealing strip is fixedly mounted on the clamping block.

6. The bridge pier and bridge connection structure at the bridge expansion joint according to claim 1, wherein the rubber mounting plate is provided with a threaded hole matched with the threaded rod, and the threaded rod is installed in the threaded hole in a threaded manner.

7. The structure of claim 6, wherein a hexagonal groove is annularly formed in an inner wall of the threaded hole, a hexagonal block is movably mounted in the hexagonal groove, and the threaded rod is movably mounted on the hexagonal block.

8. The structure of claim 7, wherein the threaded rod is provided with a pulling groove, a pulling block is movably mounted in the pulling groove, the pulling block is fixedly mounted on the hexagonal block, and the pulling groove and the pulling block are both arranged in a rectangular shape.

9. The bridge pier and bridge connection structure at the bridge expansion joint according to claim 1, wherein a plurality of return springs are arranged on both sides of the top block, and both ends of each return spring are fixedly mounted on one side of the two connection plates, which are close to each other;

every reset spring corresponds all to be provided with the direction core along the axial, the direction core is located and corresponds every reset spring inside, and every the both ends of direction core with two equal sliding sleeve of one side that the connecting plate is close to each other establishes, every the tip at the both ends of direction core can be dismantled and set up the stopping clamp, so that the direction core with correspond the connecting plate relative slip in-process, correspond the tip of direction core all the time with the connecting plate keeps being connected the cooperation relation.

10. The bridge pier and bridge connection structure at a bridge expansion joint according to any one of claims 1 to 9, wherein the two connecting piece bodies are movably provided with the same rubber belt, one sides of the two connecting piece bodies, which are far away from each other, are fixedly provided with mounting plates, and the two mounting plates are fixedly provided with mounting frames.