CN216999278U

CN216999278U - Shallow formula bridge telescoping device that buries

Info

Publication number: CN216999278U
Application number: CN202220413066.3U
Authority: CN
Inventors: 丁辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-19
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a shallow-buried bridge expansion device, which comprises two bridge bodies, wherein a bridge connecting notch is arranged between the two bridge bodies, expansion mounting grooves are respectively formed in one sides, close to each other, of the two bridge bodies, a supporting beam is arranged between the two bridge bodies, two sliding rods are respectively arranged in the two expansion mounting grooves through sliding supporting components, the sliding supporting components are respectively arranged on the expansion mounting grooves on the two bridge bodies, the same sliding rod is slidably arranged on the two sliding supporting components, the sliding rods can slide on a fixing ring, when the bridge bodies are displaced, the sliding rods also have a certain moving space for the bridge bodies to be displaced and expanded, when a vehicle runs, the supporting beams can be extruded, and after the vehicle is extruded, the impact of the extrusion can be further relieved under the action of a contraction buffer spring and an extrusion spring, thereby well protecting the service life of the supporting beam and being not easy to be damaged.

Description

Shallow formula bridge telescoping device that buries

Technical Field

The utility model relates to the technical field of bridges, in particular to a shallow buried bridge expansion device.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass, is suitable for the modern high-speed developed traffic industry, is also extended to be a structure erected to span mountain stream, bad geology or meet other traffic requirements to enable the passing to be more convenient, and along with the development of society and the rapid development of the building industry, the construction technology of bridges is more and more developed, particularly for the connection and construction between bridges, in order to meet the requirement of bridge deck deformation, the expansion devices are usually arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of the bridge, the existing expansion devices cannot achieve ideal expansion effect, and can not use for a long time, cause the damage easily, the telescoping device of bridge in case is destroyed will seriously influence speed, travelling comfort and safety of driving, even cause the driving incident.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a shallow bridge expansion device, which is used for solving the problems.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a shallow formula bridge telescoping device that buries, includes two bridge bodies, is equipped with the bridge connection notch between two bridge bodies, and flexible mounting groove has all been seted up to one side that two bridge bodies are close to each other, is equipped with a supporting beam between two bridge bodies, all installs two slide bars through the slip supporting component in two flexible mounting grooves, and two slide bar intermediate positions all fix the cover to connect the fixed block, and the top side fixed mounting of fixed block has the installation piece, and the buffer beam is installed through the buffering subassembly in the top side of installation piece, and the top fixed mounting of buffer beam is on a supporting beam's bottom side, the both sides of buffer beam all rotate the one end of installing the stripper bar, and the other end of two stripper bars all rotates installs the even slip ring, and two slip rings all slide and cup joint on the slide bar, are equipped with the compression subassembly between slip ring and the fixed block.

Preferably, the buffering subassembly includes dashpot and buffer spring, and the dashpot is seted up on the top side of fixed block, and buffer spring is located the dashpot, and buffer spring's bottom fixed mounting is on the bottom side inner wall of dashpot, and the bottom of buffer beam extends to in the dashpot and fixed mounting is on buffer spring's top, under buffer spring's elastic force effect, effectively slows down the impact force that a supporting beam received.

Preferably, the compression assembly is an extrusion spring, one end of the extrusion spring is fixedly installed on one side of the sliding ring, the other end of the extrusion spring is fixedly installed on one side of the fixed block, the extrusion spring is movably sleeved on the sliding rod, and under the elastic action of the two extrusion springs, the impact of extrusion can be slowed down more, so that the service life of the supporting beam is well protected, and the supporting beam is not easy to damage.

Preferably, a plurality of bar grooves have all been seted up to the top side of two bridge bodies, one side that a plurality of bar grooves are close to a supporting beam sets up for the opening, the equal fixed mounting in both sides of a supporting beam has a plurality of bar adaptation steels, a plurality of bar adaptation steels are movable mounting respectively in the bar groove, the bar groove and the bar adaptation steel of setting, the bridge body is when producing the aversion, can be under the effect of bar adaptation steel, reduce the gap that the aversion produced, bar adaptation steel can be at the bar inslot activity simultaneously, use vehicle extruded problem, high durability and convenient use.

Preferably, the slip supporting component includes bracing piece and solid fixed ring, gu fixed ring is located flexible mounting groove, bracing piece fixed mounting is in solid fixed ring's both sides, the both ends of bracing piece are fixed mounting respectively on the top side and the bottom side inner wall of flexible mounting groove, all be equipped with the slip supporting component on the flexible mounting groove on two bridge bodies, slidable mounting has same slide bar on two slip supporting components, the slide bar can slide on solid fixed ring, the bridge body is when producing the aversion, the slide bar also has certain removal space, it is flexible to supply the bridge body to shift.

Preferably, one side of buffer rod and the top side of slip ring all fixed mounting have the rotation seat, and the both ends of extrusion stem rotate respectively and install on two rotation seats, and the rotation seat that sets up is convenient for the extrusion stem to carry out fine extrusion rotation.

Compared with the prior art, the utility model has the beneficial effects that: the shallow-buried bridge expansion device is characterized in that sliding support components are arranged on the expansion mounting grooves on two bridge bodies, the same sliding rod is arranged on the two sliding support components in a sliding manner and can slide on a fixing ring, when the bridge bodies shift, the sliding rods also have a certain moving space for the bridge bodies to shift and expand, when a vehicle runs, a supporting beam can be extruded, the supporting beam can drive a buffer rod to move downwards after being extruded, the buffer spring is compressed, the impact force applied is effectively relieved under the elastic action of the buffer spring, the buffer rod drives extrusion rods on two sides to move, the two extrusion rods drive two sliding rings to slide on the sliding rods, the extrusion springs can be pulled by the movement of the sliding rings, the impact of extrusion can be relieved under the elastic action of the two extrusion springs, and the service life of the supporting beam is well protected, is not easy to be damaged.

Drawings

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

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

fig. 3 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a bridge body; 2. a bridge connecting notch; 3. a support beam; 4. a telescopic mounting groove; 5. a support bar; 6. a fixing ring; 7. a slide bar; 8. a fixed block; 9. mounting blocks; 10. a buffer tank; 11. a buffer rod; 12. a buffer spring; 13. a slip ring; 14. an extrusion stem; 15. a compression spring; 16. a strip-shaped groove; 17. the strip is adapted to steel.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, a shallow-buried bridge expansion device comprises two bridge bodies 1, a bridge connecting notch 2 is arranged between the two bridge bodies 1, expansion mounting grooves 4 are respectively arranged at one side of the two bridge bodies 1 close to each other, a supporting beam 3 is arranged between the two bridge bodies 1, two sliding rods 7 are respectively arranged in the two expansion mounting grooves 4 through sliding supporting components, a fixed block 8 is fixedly sleeved at the middle position of each sliding rod 7, a mounting block 9 is fixedly arranged at the top side of the fixed block 8, a buffer rod 11 is arranged at the top side of the mounting block 9 through a buffer component, the top end of the buffer rod 11 is fixedly arranged at the bottom side of the supporting beam 3, one end of an extrusion rod 14 is rotatably arranged at both sides of the buffer rod 11, an even sliding ring 13 is rotatably arranged at the other end of each extrusion rod 14, and the two sliding rings 13 are both slidably sleeved on the sliding rods 7, a compression component is arranged between the sliding ring 13 and the fixed block 8, the buffer component comprises a buffer groove 10 and a buffer spring 12, the buffer groove 10 is arranged on the top side of the fixed block 8, the buffer spring 12 is positioned in the buffer groove 10, the bottom end of the buffer spring 12 is fixedly arranged on the inner wall of the bottom side of the buffer groove 10, the bottom end of the buffer rod 11 extends into the buffer groove 10 and is fixedly arranged on the top end of the buffer spring 12, under the elastic force action of the buffer spring 12, the impact force applied to the supporting beam 3 is effectively reduced, the compression component is an extrusion spring 15, one end of the extrusion spring 15 is fixedly arranged on one side of the sliding ring 13, the other end of the extrusion spring 15 is fixedly arranged on one side of the fixed block 8, the extrusion spring 15 is movably sleeved on the sliding rod 7, under the elastic force action of the two extrusion springs 15, the extrusion impact can be reduced more, thereby well protecting the service life of the supporting beam 3, the bridge is not easy to be damaged, a plurality of strip-shaped grooves 16 are respectively arranged on the top sides of the two bridge bodies 1, one side of each strip-shaped groove 16, which is close to the supporting beam 3, is provided with an opening, a plurality of strip-shaped adaptive steels 17 are respectively and fixedly arranged on the two sides of the supporting beam 3, the plurality of strip-shaped adaptive steels 17 are respectively and movably arranged in the strip-shaped grooves 16, the arranged strip-shaped grooves 16 and the strip-shaped adaptive steels 17 are arranged, when the bridge bodies 1 are displaced, gaps generated by displacement can be reduced under the action of the strip-shaped adaptive steels 17, meanwhile, the strip-shaped adaptive steels 17 can move in the strip-shaped grooves 16, the problem of vehicle extrusion is solved, the bridge is convenient to use, the sliding support component comprises a support rod 5 and a fixing ring 6, the fixing ring 6 is positioned in the telescopic mounting groove 4, the support rod 5 is fixedly arranged on the two sides of the fixing ring 6, the two ends of the support rod 5 are respectively and fixedly arranged on the top side and the bottom side inner wall of the telescopic mounting groove 4, the two bridge bodies 1 are respectively provided with sliding support components, sliding mounting has same slide bar 7 on two slip supporting component, slide bar 7 can slide on solid fixed ring 6, bridge body 1 is when producing the aversion, slide bar 7 also has certain removal space, it is flexible to supply bridge body 1 to shift, the equal fixed mounting in one side of buffer lever 11 and the top side of slip ring 13 has the rotation seat, the both ends of extrusion stem 14 are rotated respectively and are installed on two rotation seats, the rotation seat of setting, the extrusion stem 14 of being convenient for carries out fine extrusion rotation.

When in use: a supporting beam 3 is arranged at a bridge connecting notch 2 between two bridge bodies 1, sliding supporting components are arranged on telescopic mounting grooves 4 on the two bridge bodies 1, the same sliding rod 7 is arranged on the two sliding supporting components in a sliding manner, the sliding rod 7 can slide on a fixing ring 6, when the bridge bodies 1 shift, the sliding rod 7 has a certain moving space for the bridge bodies 1 to shift and stretch, when a vehicle drives, the supporting beam 3 can be extruded, the supporting beam 3 can drive a buffer rod 11 to move downwards after being extruded, and a buffer spring 12 is compressed, under the elastic force action of the buffer spring 12, the impact force applied is effectively reduced, the buffer rod 11 moves to drive extrusion rods 14 at two sides to move, the two extrusion rods 14 move to drive two sliding rings 13 to slide on the sliding rods 7, and the sliding rings 13 move to pull the extrusion spring 15, under the spring action of two extrusion springs 15, can slow down extruded impact more to fine protection a supporting beam 3's life, be difficult for receiving the damage, the bar groove 16 and the bar adaptation steel 17 that set up, bridge body 1 when producing the aversion, can reduce the gap that the aversion produced under the effect of bar adaptation steel 17, bar adaptation steel 17 can be at bar groove 16 internalization simultaneously, uses the extruded problem of vehicle, convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A shallow-buried bridge expansion device comprises two bridge bodies (1), wherein a bridge connecting notch (2) is arranged between the two bridge bodies (1), and the shallow-buried bridge expansion device is characterized in that one side, close to each other, of each of the two bridge bodies (1) is provided with an expansion mounting groove (4), a supporting beam (3) is arranged between the two bridge bodies (1), two sliding rods (7) are mounted in the two expansion mounting grooves (4) through sliding supporting components, fixing blocks (8) are fixedly sleeved at the middle positions of the two sliding rods (7), mounting blocks (9) are fixedly mounted at the top sides of the fixing blocks (8), buffer rods (11) are mounted at the top sides of the mounting blocks (9) through buffering components, the top ends of the buffer rods (11) are fixedly mounted at the bottom sides of the supporting beam (3), one ends of extrusion rods (14) are rotatably mounted at two sides of the buffer rods (11), the other ends of the two extrusion rods (14) are rotatably provided with even sliding rings (13), the two sliding rings (13) are sleeved on the sliding rods (7) in a sliding mode, and a compression assembly is arranged between the sliding rings (13) and the fixed block (8).

2. The shallow bridge expansion device of claim 1, wherein the buffer assembly comprises a buffer groove (10) and a buffer spring (12), the buffer groove (10) is arranged on the top side of the fixed block (8), the buffer spring (12) is located in the buffer groove (10), the bottom end of the buffer spring (12) is fixedly installed on the inner wall of the bottom side of the buffer groove (10), and the bottom end of the buffer rod (11) extends into the buffer groove (10) and is fixedly installed on the top end of the buffer spring (12).

3. The shallow bridge expansion device of claim 1, wherein the compression assembly is an extrusion spring (15), one end of the extrusion spring (15) is fixedly installed on one side of the sliding ring (13), the other end of the extrusion spring (15) is fixedly installed on one side of the fixed block (8), and the extrusion spring (15) is movably sleeved on the sliding rod (7).

4. The shallow buried bridge expansion device according to claim 1, characterized in that a plurality of bar-shaped grooves (16) are formed in the top sides of the two bridge bodies (1), one side of each bar-shaped groove (16) close to the supporting beam (3) is provided with an opening, a plurality of bar-shaped adapting steels (17) are fixedly mounted on both sides of the supporting beam (3), and the bar-shaped adapting steels (17) are movably mounted in the bar-shaped grooves (16) respectively.

5. The shallow bridge expansion device of claim 1, wherein the sliding support assembly comprises a support rod (5) and a fixing ring (6), the fixing ring (6) is located in the expansion installation groove (4), the support rod (5) is fixedly installed on two sides of the fixing ring (6), and two ends of the support rod (5) are respectively and fixedly installed on the inner walls of the top side and the bottom side of the expansion installation groove (4).

6. The shallow buried bridge expansion device of claim 1, wherein a rotating seat is fixedly installed on one side of the buffer rod (11) and the top side of the sliding ring (13), and two ends of the extrusion rod (14) are respectively and rotatably installed on the two rotating seats.