CN214143261U

CN214143261U - Road and bridge support structure

Info

Publication number: CN214143261U
Application number: CN202022464466.0U
Authority: CN
Inventors: 王润滋; 李宏兵
Original assignee: Chengdu Ruitong Bridge Components Co ltd
Current assignee: Chengdu Ruitong Bridge Components Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-09-07
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a road bridge bearing structure, which comprises a bearing, the bearing comprises an upper bearing and a lower bearing, and four first bearings are fixedly mounted on the outer wall of one side of the upper bearing close to the lower bearing. A support rod, four second support rods are fixedly installed on the outer wall of one side of the lower support close to the upper support, a shock absorbing device is installed between the first support rod and the second support rod, and the upper support A reset device is installed between it and the lower support. The advantages are: the utility model installs a damping device between the first support rod and the second support rod, and uses the elastic force of the shock-absorbing spring to increase the stability between the upper support and the lower support, thereby improving the stability of the bridge. Stability, the utility model installs a reset device between the upper support and the lower support, and uses the elastic force of the first return spring and the second return spring to maintain the angle between the two connecting rods and further improve the upper support. Stability between seat and lower support.

Description

Road and bridge support structure

Technical Field

The utility model relates to a road and bridge technical field especially relates to a road and bridge beam support structure.

Background

The bridge bearing is an important structural component for connecting an upper bridge structure and a lower bridge structure, and can reliably transmit the counter force and the deformation (displacement and corner) of the upper bridge structure to the lower bridge structure, so that the actual stress condition of the structure conforms to a calculated theoretical diagram.

Along with the round trip of vehicle on the bridge floor is through the wind-blowing sun, and bridge beam supports uses for a long time, and its damping performance needs fine, and current bridge beam supports shock attenuation effect is not good enough, can influence the stability of bridge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the damping performance of the bridge bearing is poor in the prior art, and providing a road and bridge bearing structure.

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

the utility model provides a road and bridge bearing structure, includes the support, the support includes upper bracket and undersetting, upper bracket is close to fixed mounting on the outer wall of undersetting one side has four first branches, the undersetting is close to fixed mounting on the outer wall of upper bracket one side has four second branches, install damping device between first branch and the second branch, install resetting means between upper bracket and the undersetting.

In foretell a road and bridge bearing structure, damping device includes that second branch is close to the slot that first branch one end was seted up, symmetrical fixed mounting has two slide bars on the outer wall of first branch both sides, two spouts have been seted up to the symmetry on the inner wall of slot both sides, slidable mounting between slide bar and the spout, fixed mounting has damping spring on the diapire in the slot, damping spring keeps away from slot diapire one end fixed mounting on the outer wall of first branch.

In the above-mentioned road and bridge support structure, the resetting device comprises two movable blocks symmetrically and movably mounted on the lower support, first hinges are fixedly mounted on both of the two movable blocks, two second hinges are symmetrically and fixedly arranged on the upper support, a connecting rod is movably arranged between the first hinge and the second hinge which are closer, a first telescopic rod is fixedly arranged on the outer wall of one side of the two movable blocks which is close to each other, the first telescopic rod is sleeved with a first return spring, two ends of the first return spring are respectively and fixedly arranged on the outer walls of the two movable blocks, a second telescopic rod is jointly and fixedly arranged between the outer wall of one side, close to the movable block and the second support rod, the second telescopic link is sleeved with a second reset spring, and two ends of the second reset spring are respectively and fixedly installed on the outer wall of the movable block and the outer wall of the second supporting rod.

In foretell road and bridge support structure, fixed mounting has the balladeur train on the undersetting, two fixed mounting has the slider on the movable block is close to undersetting one side outer wall, slidable mounting between slider and the balladeur train.

Compared with the prior art, the utility model discloses the advantage lies in:

1. the utility model arranges a damping device between the first support rod and the second support rod, and increases the stability between the upper support and the lower support by the elastic action of the damping spring, thereby improving the stability of the bridge;

2. the utility model discloses installed resetting means between upper bracket and undersetting, utilized first reset spring and second reset spring's spring action, kept the contained angle between two connecting rods, further improved the stability between upper bracket and the undersetting.

Drawings

Fig. 1 is a schematic structural view of a road and bridge support structure provided by the present invention;

FIG. 2 is an enlarged view of a portion A of the support structure of the road and bridge according to the present invention;

fig. 3 is the utility model provides a B partial structure's enlargements among road bridge bearing structure.

In the figure: the device comprises an upper support 1, a lower support 2, a first support rod 3, a second support rod 4, a sliding rod 5, a sliding groove 6, a slot 7, a damping spring 8, a sliding frame 9, a sliding block 10, a movable block 11, a first hinge 12, a second hinge 13, a connecting rod 14, a first telescopic rod 15, a first return spring 16, a second telescopic rod 17 and a second return spring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a road and bridge support structure comprises a support, the support comprises an upper support 1 and a lower support 2, four first supporting rods 3 are fixedly arranged on the outer wall of one side of the upper support 1 close to the lower support 2, four second supporting rods 4 are fixedly arranged on the outer wall of one side of the lower support 2 close to the upper support 1, a damping device is arranged between the first supporting rods 3 and the second supporting rods 4, the damping device comprises a slot 7 formed at one end of the second supporting rod 4 close to the first supporting rod 3, two sliding rods 5 are symmetrically and fixedly arranged on the outer walls of two sides of the first supporting rod 3, two sliding chutes 6 are symmetrically formed on the inner walls of two sides of the slot 7, the sliding rods 5 and the sliding chutes 6 are slidably arranged, a damping spring 8 is fixedly arranged on the inner bottom wall of the slot 7, one end of the damping spring 8 far away from the bottom wall of the slot 7 is fixedly arranged on the outer wall of the first supporting rod 3, and a resetting device is arranged between the upper support 1 and the lower support 2, the resetting device comprises two movable blocks 11 symmetrically and movably arranged on a lower support 2, a sliding frame 9 is fixedly arranged on the lower support 2, a sliding block 10 is fixedly arranged on the outer wall of one side, close to the lower support 2, of each movable block 11, a sliding block 10 is slidably arranged between each sliding block 10 and the corresponding sliding frame 9, a first hinge 12 is fixedly arranged on each movable block 11, two second hinges 13 are symmetrically and fixedly arranged on an upper support 1, a connecting rod 14 is movably arranged between each first hinge 12 and each second hinge 13 which are close to each other, a first telescopic rod 15 is fixedly arranged on the outer wall of one side, close to each movable block 11, of each movable block 15, a first resetting spring 16 is sleeved on each first telescopic rod 15, two ends of each first resetting spring 16 are fixedly arranged on the outer walls of the two movable blocks 11 respectively, and a second telescopic rod 17 is fixedly arranged between the outer walls of one side, close to each, the cover is equipped with second reset spring 18 on second telescopic link 17, second reset spring 18 both ends difference fixed mounting is on the outer wall of movable block 11 outer wall and second branch 4, it is worth noting, the elastic action that utilizes damping spring 8 increases the stability between upper bracket 1 and the undersetting 2, and then improve the stability of bridge, utilize the elastic action of first reset spring 16 and second reset spring 18, keep the contained angle between two connecting rods 14, further improve the stability between upper bracket 1 and the undersetting 2.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The utility model discloses the theory of operation: when pressure is transmitted from the upper portion of the upper support seat 1, the upper support seat 1 transmits the pressure to the four first supporting rods 3, the four first supporting rods 3 descend to compress the damping springs 8, the elastic force generated by the damping springs 8 can react on the first supporting rods 3, and then the first supporting rods 3 and the upper support seat 1 above are reversely pushed, so that the stability of the upper support seat 1 and a bridge above is improved.

When upper bracket 1 descends, only damping spring 8 can play the cushioning effect, two second hinges 13 descend and press two connecting rods 14, make two movable blocks 11 keep away from each other, consequently press from both sides between two connecting rods 14 and tightly can grow, first reset spring 16 is stretched, two second reset springs 18 can be compressed, both produce the elastic force effect and all can order about movable block 11 and reset, and then order about two connecting rods 14 and resume the angle, guarantee the stability of upper bracket 1 and top bridge with this.

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.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A road bridge bearing structure, comprising a bearing, characterized in that the bearing comprises an upper bearing (1) and a lower bearing (2), and the upper bearing (1) is close to the lower bearing ( 2) Four first support rods (3) are fixedly installed on the outer wall of one side, and four second support rods (4) are fixedly installed on the outer wall of one side of the lower support (2) close to the upper support (1). A damping device is installed between the first support rod (3) and the second support rod (4), and a reset device is installed between the upper support (1) and the lower support (2).

2. A road bridge bearing structure according to claim 1, characterized in that the shock absorbing device comprises a slot (7) opened at one end of the second support rod (4) close to the first support rod (3) Two sliding rods (5) are symmetrically and fixedly installed on the outer walls of both sides of the first support rod (3), and two sliding grooves (6) are symmetrically opened on the inner walls of both sides of the slot (7). The sliding rod (5) and the sliding slot (6) are slidably installed, a shock-absorbing spring (8) is fixedly installed on the inner bottom wall of the slot (7), and the shock-absorbing spring (8) is far away from the slot (7). ) One end of the bottom wall is fixedly mounted on the outer wall of the first support rod (3).

3. A road bridge bearing structure according to claim 1, characterized in that the reset device comprises two movable blocks (11) symmetrically and movably installed on the lower support (2). A first hinge (12) is fixedly installed on each of the blocks (11), and two second hinges (13) are symmetrically and fixedly installed on the upper support (1), and the first hinge (12) that is closer A connecting rod (14) is movably installed between the second hinge (13) and the two movable blocks (11), and a first telescopic rod (15) is fixedly installed on the outer wall of one side of the two movable blocks (11). A first return spring (16) is sleeved on the rod (15), and the two ends of the first return spring (16) are respectively fixed on the outer walls of the two movable blocks (11). A second telescopic rod (17) is fixedly installed between (11) and the outer wall of the adjacent side of the second support rod (4), and a second return spring (18) is sleeved on the second telescopic rod (17). The two ends of the second return spring (18) are respectively fixed and installed on the outer wall of the movable block (11) and the outer wall of the second support rod (4).

4. A road bridge bearing structure according to claim 3, characterized in that a carriage (9) is fixedly installed on the lower bearing (2), and the two movable blocks (11) are close to the lower bearing (2). A sliding block (10) is fixedly installed on the outer wall of one side of the support (2), and the sliding block (10) and the sliding frame (9) are slidably installed.