CN217869946U

CN217869946U - Bridge expansion device

Info

Publication number: CN217869946U
Application number: CN202221669575.9U
Authority: CN
Inventors: 李伟男; 包永健
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-22
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a bridge telescoping device, relate to the bridge telescoping device technical field at bridge expansion joint, the connection structure of having solved current bridge expansion joint takes place inflation or shrink in the change of temperature, can't better remove, cause the whole change of bridge to remove, shorten bridge life's technical problem, including the flexible mounting of bridge, connecting plate and bridge expansion joint spare, the flexible mounting of bridge and bridge expansion joint spare pass through the connecting plate and connect, one side equipartition of the flexible mounting of bridge has box and anchor muscle, box and anchor muscle interval set up, one side of keeping away from the flexible mounting of bridge on the box has set firmly the anchor muscle, the connecting plate passes through first coupling assembling and the flexible mounting of bridge and connects, the flexible connecting piece of bridge passes through cushion assembly and connecting plate connection, the utility model discloses a cooperation of first coupling assembling and cushion assembly, can effectively ensure the bridge connection structure also can be fine adaptation when taking place deformation, guarantee the life-span of use of bridge.

Description

Bridge expansion device

Technical Field

The utility model relates to a bridge expansion joint's bridge telescoping device technical field, concretely relates to bridge telescoping device.

Background

The bridge expansion device is to meet the requirement of bridge deck deformation, and is usually arranged between two beam ends, between the beam end and an abutment or at the hinged position of a bridge. The bridge expansion device is an important component of a bridge, and the performance of the expansion device directly influences the driving safety and the smooth of a bridge road.

The bridge expansion device requires that the expansion joint can freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, is firm and reliable, and has smooth running and no sudden jump and noise when a vehicle runs; the rainwater and garbage soil can be prevented from infiltration and blockage; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. At the location of the expansion joints, the balustrade is disconnected from the deck pavement, in order to accommodate the displacements and couplings between the superstructure caused by the vehicle load and the bridge building materials. Once the expansion device of the skew bridge is damaged, the speed, comfort and safety of driving are seriously influenced, even driving safety accidents are caused, the bridge deck plate expands or contracts due to the change of temperature, and the existing connection structure of the bridge expansion joint expands or contracts due to the change of temperature and cannot move better, so that the whole bridge changes and moves, the service life of the bridge is shortened, and therefore the invention provides the bridge expansion device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the connection structure for solving current bridge expansion joint takes place inflation or shrink in the change of temperature, and can't be better removes, can cause the whole change of bridge to remove like this, has shortened the technical problem of the life of bridge, the utility model provides a bridge telescoping device.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a bridge telescoping device, includes the flexible mounting of bridge, connecting plate and the flexible connecting piece of bridge, the flexible mounting of bridge and the flexible connecting piece of bridge pass through the connecting plate to be connected, box and anchor muscle have been seted up to one side equipartition of the flexible mounting of bridge, box and anchor muscle interval set up, the one side of keeping away from the flexible mounting of bridge on the box has set firmly the anchor muscle, the connecting plate passes through first coupling assembling and the flexible mounting of bridge to be connected, the flexible connecting piece of bridge passes through buffering subassembly and connecting plate to be connected.

Further, first connecting element is including setting firmly the division board at the flexible mounting top of bridge, be equipped with first dashpot on the division board, the opening direction of first dashpot is towards the flexible connecting piece of bridge, the size of first dashpot and connecting plate cooperatees.

Furthermore, the first connecting component further comprises a first buffer pad fixedly arranged on the side wall of the first buffer groove.

Further, first connecting element is still including seting up the first spout at first buffer tank bottom surface, first spout is including the first and the second of sub-spout that communicate each other, the bottom of the first and the second of sub-spout is located same horizontal plane, the degree of depth of sub-spout is less than sub-spout two, the top of sub-spout two and the bottom intercommunication of first buffer tank, first connecting element is still including the first movable block that can remove about in first spout, first movable block is including interconnect's first and second of sub-slider, the width and the height of first of sub-slider all are less than the width and the height of sub-spout, the width and the height of second of sub-slider all are less than the width and the height of sub-spout two.

Further, the buffering subassembly includes the fixing base of rigid coupling in the connecting plate below, the left side and the right side of fixing base are passed through the bolster and are connected with bridge telescopic connection spare, the bolster still includes the hollow semi-cylindrical's that evenly lays in the fixing base bottom the chamber that holds, it is equipped with the rotating rod to hold the intracavity, the rotating rod passes through the bearing setting on the fixing base, the rotating rod is last to have set firmly the live-rollers.

Further, the bolster includes the cushion chamber of evenly laying at fixing base left side wall and right side wall, the bolster still includes the rubber cushion post that sets firmly on bridge telescopic connection spare inner wall left side and right side, the rubber cushion post can imbed the cushion chamber and cooperate with the cushion chamber.

Furthermore, a buffer spring is fixedly arranged at one end of the buffer column, which is in contact with the buffer cavity.

Furthermore, reinforcing ribs are uniformly distributed in the buffer columns.

Furthermore, a buffer pad is distributed on the wall surface of the inner wall of the buffer cavity, which is contacted with the buffer column.

Further, still including the waterproof construction that prevents water and debris entering bridge telescopic connection spare and fixing base junction, the waterproof construction is including setting firmly the vertical support board on bridge telescopic connection spare, be equipped with waterproof gap in the vertical support board, be equipped with on the connecting plate with waterproof gap complex waterproof strip, the one end that receives waterproof strip impact on the waterproof gap is equipped with the blotter, the upper surface of waterproof strip is equipped with the waterproof layer.

The utility model has the advantages that: the utility model discloses a flexible mounting of bridge, connecting plate and bridge telescopic connection spare, flexible mounting of bridge and bridge telescopic connection spare pass through the connecting plate and connect, one side equipartition of the flexible mounting of bridge has box and anchor muscle, box and anchor muscle interval set up, the one side of keeping away from the flexible mounting of bridge on the box has set firmly the anchor muscle, the connecting plate is connected through the flexible mounting of first coupling assembling and bridge, the flexible connecting piece of bridge is connected through buffering subassembly and connecting plate, and the bridge takes place to deform for the expansion joint changes, when causing the extrusion of bridge connecting piece, first coupling assembly and buffering subassembly mutually support to effectively reduce the power that the bridge received, the concrete theory of operation of first coupling assembly does: through the matching of the first buffer groove of the first connecting assembly and the connecting plate, when deformation and expansion occur, the connecting plate displaces in the first buffer groove, so that the bridge is prevented from being damaged by rigid contact of the connecting plate, the bridge telescopic fixing piece and the bridge telescopic connecting piece, and when displacement occurs, under the matching of the first movable block, the pressure on the bridge telescopic fixing piece can be effectively reduced, and the service life of the bridge is prolonged; the specific working principle of the buffer assembly is as follows: the live-rollers rolls, and buffering post and cushion chamber cooperate simultaneously, and the impact force is unloaded to the buffer spring at buffering capital portion and the blotter interact in the cushion chamber, simultaneously through evenly laying the strengthening rib in the cushion rubber of buffering post, can ensure the intensity of cushion chamber, the utility model discloses simple structure, the change of solution bridge temperature that can be fine takes place to expand or contract and can't remove to cause the problem that the bridge life-span reduced.

Drawings

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

FIG. 2 is a schematic view of the structure of the bridge expansion fastener of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 1;

reference numerals

The bridge expansion and contraction fixing device comprises a bridge expansion and contraction fixing piece 1, a box body 2, an anchoring rib 3, a partition plate 4, a first cushion pad 5, a first cushion groove 6, a first sliding groove 7, a first movable block 8, a first connecting plate 9, a shielding top plate 10, a second movable plate 11, a sealing block 12, a connecting block 13, a vertical supporting plate 14, a buffer piece 15, a contact groove 16, a fixed seat 17, a rotating roller 18 and a bridge expansion and contraction connecting piece 19.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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 the 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-4, a bridge telescoping device, including bridge flexible mounting 1, connecting plate 9 and bridge flexible connecting piece 19, bridge flexible mounting 1 and bridge flexible connecting piece 19 pass through connecting plate 9 to be connected, one side equipartition of bridge flexible mounting 1 has box 2 and anchor muscle 3, box 2 and 3 intervals of anchor muscle set up, one side of keeping away from bridge flexible mounting 1 on the box 2 has set firmly anchor muscle 3, connecting plate 9 is connected through first coupling assembling and bridge flexible mounting 1, bridge flexible connecting piece 19 is connected through buffering subassembly and connecting plate 9.

The utility model discloses deformation takes place for the bridge for the expansion joint changes, when causing the extrusion of bridge connection spare, first coupling assembly and buffer unit mutually support, thereby effectively reduces the power that the bridge received, and the concrete theory of operation of first coupling assembly is: through the matching of the first buffer groove 6 and the connecting plate 9 of the first connecting assembly, when deformation expansion occurs, the connecting plate 9 displaces in the first buffer groove 6, so that rigid contact of the connecting plate 9, the bridge telescopic fixing piece 1 and the bridge telescopic connecting piece 19 is avoided to damage a bridge, and when displacement occurs, under the matching of the first movable block 8, the pressure on the bridge telescopic fixing piece 1 can be effectively reduced, and the service life of the bridge is prolonged; the specific working principle of the buffer assembly is as follows: the live-rollers 18 roll, and buffer column and cushion chamber cooperate simultaneously, and the buffer spring 15.3 at buffer column top and the blotter interact in the cushion chamber unload the impact force, evenly lay strengthening rib 15.2 in the cushion rubber of buffer column simultaneously, can ensure the intensity in cushion chamber, the utility model discloses simple structure, the change of solution bridge temperature that can be fine takes place to expand or contract and can't remove to cause the problem that bridge life reduced.

Example 2

As shown in fig. 1-4, this embodiment is further optimized on the basis of embodiment 1, the first connection component includes a partition plate 4 fixedly disposed on the top of the bridge expansion fixing member 1, a first buffer slot 6 is disposed on the partition plate 4, an opening direction of the first buffer slot 6 faces the bridge expansion connection member 19, and the first buffer slot 6 is matched with the connection plate 9 in size.

Preferably, the first connecting assembly further includes a first buffer pad 5 fixedly mounted on a sidewall of the first buffer container 6.

Preferably, the first connecting assembly further comprises a first sliding groove 7 formed in the bottom surface of the first buffer groove 6, the first sliding groove 7 comprises a first sub sliding groove and a second sub sliding groove which are communicated with each other, the bottoms of the first sub sliding groove and the second sub sliding groove are located on the same horizontal plane, the depth of the first sub sliding groove is smaller than that of the second sub sliding groove, the top of the second sub sliding groove is communicated with the bottom of the first buffer groove 6, the first connecting assembly further comprises a first movable block 8 which can move left and right in the first sliding groove 7, the first movable block comprises a first sub sliding block and a second sub sliding block which are connected with each other, the width and the height of the first sub sliding block are smaller than those of the first sub sliding groove, and the width and the height of the second sub sliding block are smaller than those of the second sub sliding groove.

Through the cooperation of first dashpot 6 and connecting plate 9 of first coupling assembling in this embodiment, when taking place deformation inflation, connecting plate 9 takes place the displacement in first dashpot 6, avoids connecting plate 9, the bridge is damaged in the rigid contact of the flexible mounting of bridge 1 and the flexible connecting piece 19, when taking place the displacement, under the cooperation of first movable block 8, can effectively reduce the pressure that the flexible mounting of bridge 1 received, the life of extension bridge.

Example 3

As shown in fig. 1-4, the present embodiment is further optimized on the basis of embodiment 1, the buffering assembly includes a fixing seat 17 fixedly connected below the connecting plate 9, the left side and the right side of the fixing seat 17 are connected with a bridge expansion connector 19 through a buffering member 15, the buffering member 15 further includes a hollow semi-cylindrical containing cavity uniformly distributed at the bottom of the fixing seat 17, a rotating rod is arranged in the containing cavity, the rotating rod is arranged on the fixing seat 17 through a bearing, and a rotating roller 18 is fixedly arranged on the rotating rod.

Preferably, bolster 15 includes the cushion chamber of evenly laying at fixing base 17 left side wall and right side wall, and bolster 15 still includes rubber cushion column 15.1 who sets firmly on 19 inner walls of bridge flexible connector left side and right side, and rubber cushion column 15.1 can imbed the cushion chamber and cooperate with the cushion chamber.

Preferably, a buffer spring 15.3 is fixedly arranged at one end of the buffer column, which is contacted with the buffer cavity.

Preferably, reinforcing ribs 15.2 are uniformly distributed in the buffer column.

Preferably, the wall surface of the inner wall of the buffer cavity, which is contacted with the buffer column, is distributed with a buffer pad.

Preferably, still including the waterproof construction that prevents that water and debris from getting into bridge expansion joint 19 and fixing base 17 junction, waterproof construction is equipped with waterproof gap including setting firmly vertical support plate 14 on bridge expansion joint 19 on vertical support plate 14, be equipped with on connecting plate 9 with waterproof gap complex waterproof strip, the one end that receives waterproof strip impact on the waterproof gap is equipped with the blotter, the upper surface of waterproof strip is equipped with the waterproof layer.

In this embodiment, the live-rollers 18 roll when the displacement takes place, simultaneously cushion column and cushion chamber cooperate, the buffer spring 15.3 at cushion column top and the blotter interact in the cushion chamber, unload the impact force, simultaneously through evenly laying strengthening rib 15.2 in the cushion rubber at cushion column, can ensure the intensity of cushion chamber, through the setting of waterproof layer, can effectually avoid outside water and filth to get into the work that influences live-rollers 18 between bridge telescopic connector 19 and the fixing base 17.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a bridge telescoping device, includes bridge telescopic fixing spare (1), connecting plate (9) and bridge telescopic connecting piece (19), its characterized in that, bridge telescopic fixing spare (1) and bridge telescopic connecting piece (19) are connected through connecting plate (9), one side equipartition of bridge telescopic fixing spare (1) has box (2) and anchor muscle (3), box (2) and anchor muscle (3) interval set up, one side of keeping away from bridge telescopic fixing spare (1) on box (2) has set firmly anchor muscle (3), connecting plate (9) are connected through first coupling assembling and bridge telescopic fixing spare (1), bridge telescopic connecting piece (19) are connected through buffering subassembly and connecting plate (9).

2. The bridge expansion and contraction device according to claim 1, wherein the first connection assembly comprises a partition plate (4) fixedly arranged at the top of the bridge expansion and contraction fixing member (1), a first buffer slot (6) is arranged on the partition plate (4), the opening direction of the first buffer slot (6) faces the bridge expansion and contraction connecting member (19), and the first buffer slot (6) is matched with the connection plate (9) in size.

3. A bridge expansion device according to claim 2, characterized in that the first connection assembly further comprises a first buffer pad (5) fixed to the side wall of the first buffer tank (6).

4. The bridge expansion device according to claim 2, wherein the first connecting assembly further comprises a first sliding groove (7) formed in the bottom surface of the first buffer groove (6), the first sliding groove (7) comprises a first sub sliding groove and a second sub sliding groove which are communicated with each other, the bottoms of the first sub sliding groove and the second sub sliding groove are located on the same horizontal plane, the depth of the first sub sliding groove is smaller than that of the second sub sliding groove, the top of the second sub sliding groove is communicated with the bottom of the first buffer groove (6), the first connecting assembly further comprises a first movable block (8) which can move left and right in the first sliding groove (7), the first movable block comprises a first sub sliding block and a second sub sliding block which are connected with each other, the width and the height of the first sub sliding block are smaller than those of the first sub sliding groove, and the width and the height of the second sub sliding block are smaller than those of the second sub sliding groove.

5. The bridge expansion and contraction device according to claim 1, wherein the buffer assembly comprises a fixed seat (17) fixedly connected below the connecting plate (9), the left side and the right side of the fixed seat (17) are connected with a bridge expansion and contraction connecting piece (19) through a buffer member (15), the buffer member (15) further comprises a hollow semi-cylindrical containing cavity uniformly distributed at the bottom of the fixed seat (17), a rotating rod is arranged in the containing cavity and arranged on the fixed seat (17) through a bearing, and a rotating roller (18) is fixedly arranged on the rotating rod.

6. The bridge expansion device according to claim 5, characterized in that the buffer member (15) comprises buffer cavities uniformly arranged on the left and right side walls of the fixing seat (17), the buffer member (15) further comprises rubber buffer columns (15.1) fixedly arranged on the left and right sides of the inner wall of the bridge expansion connecting member (19), and the rubber buffer columns (15.1) can be embedded into the buffer cavities to be matched with the buffer cavities.

7. A bridge expansion device according to claim 6, characterized in that a buffer spring (15.3) is fixed on the buffer column at the end contacting with the buffer chamber.

8. A bridge expansion device according to claim 6, characterized in that the bumper posts are uniformly distributed with reinforcing ribs (15.2).

9. The bridge expansion device of claim 6, wherein the buffer chamber has a buffer pad on the inner wall contacting the buffer post.

10. The bridge expansion device according to any one of claims 1-9, further comprising a waterproof structure for preventing water and impurities from entering the joint of the bridge expansion connector (19) and the fixing seat (17), wherein the waterproof structure comprises a vertical support plate (14) fixedly arranged on the bridge expansion connector (19), a waterproof gap is arranged on the vertical support plate (14), a waterproof strip matched with the waterproof gap is arranged on the connecting plate (9), a buffer pad is arranged at one end of the waterproof gap impacted by the waterproof strip, and a waterproof layer is arranged on the upper surface of the waterproof strip.