CN207193910U - A kind of supporting bridge damping device - Google Patents

Abstract

The utility model discloses a shock absorbing device for bridge support, which comprises a main support block, a reinforcement block is provided on the top of the main support block, a support column is provided on the top of the reinforcement block, and a first support column is provided outside the main support block. Spring, the outer side of the first spring is equipped with a bumper plate, the middle position of the bottom of the main support block is provided with a second spring, the bottom of the second spring is connected with a connecting plate, and the outer side of the limit post is provided with a third spring , the outer side of the third spring is fixed with an anchor rod. The utility model is a shock absorbing device for bridge support. Anti-collision plates are arranged circumferentially on the outer side of the main support block, and connected by the first spring, which can effectively prevent ship collision damage. To improve the anti-collision effect, set the second spring structure at the bottom of the main support block to enhance the longitudinal shock resistance. Set a limit column at the bottom of the inclined surface of the main support block, and the limit column is connected to the third spring and connected to the anchor rod to improve the lateral shock resistance of the structure capability and high practicability.

Description

Damping device for bridge support

technical field

The utility model relates to the technical field of bridges, in particular to a damping device for bridge support.

Background technique

Bridges generally refer to structures erected on rivers, lakes and seas to allow vehicles and pedestrians to pass smoothly. In order to adapt to the modern high-speed development of the transportation industry, bridges are also extended to buildings that cross mountain streams, poor geology or meet other transportation needs to make traffic more convenient. A bridge is generally composed of a superstructure, a substructure, a support and ancillary structures. The superstructure is also called a bridge span structure, which is the main structure for crossing obstacles; the substructure includes abutments, piers and foundations; Or the force transmission device installed at the supporting place of the bridge abutment; the auxiliary structures refer to the bridge head board, conical slope protection, bank protection, diversion works, etc.

The existing bridge support structure has relatively simple anti-seismic effect, does not have anti-collision equipment, and is easily damaged by the collision of ships and drifting objects, and the lateral anti-seismic effect of the bridge is relatively poor.

Contents of the invention

The purpose of this utility model is to provide a bridge support damping device to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a shock absorbing device for bridge support, including a main support block, a reinforcement block is provided on the top of the main support block, and a support column is provided on the top of the reinforcement block. A first spring is provided on the outside of the main support block, and an anti-collision plate is installed on the outside of the first spring. A second spring is provided in the middle of the bottom of the main support block, and a connecting plate is connected to the bottom of the second spring. A column is arranged at the bottom of the plate, and a limiting column is arranged at the bottom of the column at the slope of the main support block. A third spring is arranged outside the limiting column, and an anchor rod is fixed outside the third spring.

Preferably, the anti-collision plates are distributed in an annular array with respect to the main support block, and rubber pads are provided on the outer surface of the anti-collision plates.

Preferably, the vertical distance between the bottom of the anchor rod and the bottom of the column is no less than 0.5m.

Preferably, reinforcing steel bars are provided inside the main supporting block and the supporting column, and the reinforcing steel bars are distributed in a circular array.

Preferably, the inclination angle of the slope at the bottom of the main support block is between 30°-45°.

Preferably, the length of the columns is not less than 2m, and there are two groups of columns.

Compared with the prior art, the beneficial effects of the utility model are: the utility model is a shock absorbing device for bridge support, which has a novel structure and is easy to operate. Anti-collision plates are arranged circumferentially on the outer side of the main support block, and are connected by the first spring. , which can effectively prevent ship collision damage and improve the anti-collision effect. A second spring structure is set at the bottom of the main support block to enhance the longitudinal shock resistance. A limit post is set at the bottom of the slope of the main support block. In the anchor rod, the lateral seismic capacity of the structure is improved. The main support block and the support column are equipped with reinforced steel bars to improve the overall structural strength. It has high practicability and greatly improves the use of this kind of bridge support shock-absorbing device. Functionality ensures its use effect and use benefit, and is suitable for wide promotion.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of enlarged structure of A place of the utility model;

Fig. 3 is a schematic diagram of the utility model B-B sectional structure.

In the figure: 1 main support block, 2 reinforcement block, 3 support column, 4 first spring, 5 anti-collision plate, 6 rubber pad, 7 connecting plate, 8 column, 9 second spring, 10 anchor rod, 11 third spring , 12 limit columns, 13 reinforced steel bars.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a shock absorbing device for bridge support, including a main support block 1, a reinforcement block 2 is provided on the top of the main support block 1, and a reinforcement block 2 is provided on the top of the reinforcement block 2. A support column 3 is provided, a first spring 4 is provided on the outside of the main support block 1, an anti-collision plate 5 is installed on the outside of the first spring 4, a second spring 9 is provided at the middle position of the bottom of the main support block 1, The bottom of the second spring 9 is connected with a connecting plate 7, the bottom of the connecting plate 7 is provided with a column 8, and the outer side of the column 8 is located at the bottom of the slope of the main support block 1. A third spring 11 is provided, and an anchor rod 10 is fixed on the outside of the third spring 11. The anti-collision plate 5 is distributed in a circular array with respect to the main support block 1. The outer surface of the anti-collision plate 5 is provided with a rubber pad 6, so The vertical distance between the bottom of the anchor rod 10 and the bottom of the column 8 is not less than 0.5m, and the inside of the main support block 1 and the support column 3 are equipped with reinforcing bars 13, and the reinforcing bars 13 are distributed in a circular array. The inclination angle of the slope at the bottom of the support block 1 is between 30°-45°, the length of the column 8 is not less than 2m, and the column 8 is provided with two groups.

Working principle: The utility model is a shock absorbing device for bridge support. When in use, the main support block 1 is provided with an anti-collision plate 5 in the outer circumferential direction, and is connected by the first spring 4, which can effectively prevent the ship from being damaged by collision and improve the anti-collision Effect, the second spring 9 structure is set at the bottom of the main support block 1 to enhance the longitudinal shock resistance, and the limit post 12 is set at the bottom of the slope of the main support block 1. The limit post 12 is connected to the third spring 11 and connected to the anchor rod 10, improving For the lateral seismic capacity of the structure, the main support block 1 and the support column 3 are equipped with reinforcing steel bars 13 to improve the overall structural strength and have high practicability.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A damping device for bridge support, comprising a main support block (1), characterized in that: the top of the main support block (1) is provided with a reinforcement block (2), and the top of the reinforcement block (2) is provided with The support column (3), the first spring (4) is provided on the outside of the main support block (1), the anti-collision plate (5) is installed on the outside of the first spring (4), and the main support block (1) A second spring (9) is provided in the middle of the bottom, and the bottom of the second spring (9) is connected to a connecting plate (7), and the bottom of the connecting plate (7) is provided with a column (8), and the column (8) The outer side is located at the bottom of the slope of the main support block (1) and a limit post (12) is provided, and a third spring (11) is provided outside the limit post (12), and an anchor rod is fixed on the outside of the third spring (11) (10). 2. The damping device for bridge support according to claim 1, characterized in that: the anti-collision plate (5) is distributed in a circular array with respect to the main support block (1), and the outer side of the anti-collision plate (5) The surface is provided with a rubber pad (6). 3. The damping device for bridge support according to claim 1, characterized in that: the vertical distance between the bottom of the anchor rod (10) and the bottom of the column (8) is not less than 0.5m. 4. The damping device for bridge support according to claim 1, characterized in that: the main support block (1) and the support column (3) are provided with reinforcing steel bars (13), and the reinforcing steel bars (13) Distributed in a circular array. 5. The damping device for bridge support according to claim 1, characterized in that: the inclination angle of the bottom slope of the main support block (1) is between 30°-45°. 6. The damping device for bridge support according to claim 1, characterized in that: the length of the upright column (8) is not less than 2m, and there are two sets of upright columns (8).