River channel pier anti-scouring device

Abstract

The utility model discloses an anti-scouring device for a river bridge pier, which relates to the technical field of bridge engineering and comprises a bottom support hoop, a first arc-shaped protective cover, a first mounting plate and a second arc-shaped protective cover, and one end of the top of the bottom support hoop is fixedly connected with the first arc-shaped protective cover. First mounting plates are fixedly connected to the two ends of the top and the two ends of the bottom of the first arc-shaped protection cover correspondingly, a second arc-shaped protection cover is slidably connected to the other end of the top of the bottom supporting hoop, and second mounting plates are fixedly connected to the two ends of the top and the two ends of the bottom of the second arc-shaped protection cover correspondingly. According to the bottom supporting hoop, the first arc-shaped protection cover, the first mounting plate and the second arc-shaped protection cover, the bridge pier is protected on the basis of buffering water flow, and therefore the problem that an existing river channel bridge pier anti-scouring device cannot buffer the water flow, and the anti-scouring effect is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering, in particular to a river channel bridge pier anti-scouring device. Background Art

[0002] Pier scour is a critical aspect of bridge design, and its damage to bridges is often sudden and accidental. Numerous factors influence pier scour, making it difficult to accurately predict. Fluctuations in hydrological phenomena often cause sudden and accidental damage to bridge structures. This is particularly true in locations with high flow velocities near piers, downstream of reservoirs, dams, and power stations. The impact on piers is significant and difficult to predict. The depth and severity of scour on bridge piers directly threatens the safety of their foundations.

[0003] The existing anti-scour device for river piers is usually two or more arc-shaped protective covers, which are installed on the rod wall of the pier by fasteners. The surface replaces the pier to withstand the impact of water flow. However, it cannot buffer the water flow during use. Under long-term impact, the protective cover will be severely deformed, resulting in certain deformation that affects subsequent use. Therefore, it is necessary to solve the problem that the existing anti-scour device for river piers cannot buffer the water flow, resulting in poor anti-scour effect. Utility Model Content

[0004] In view of the above problems existing in the existing anti-scour device for river bridge piers, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a river pier anti-scour device to solve the problem that the existing river pier anti-scour device cannot buffer the water flow and has a poor anti-scour effect.

[0006] In order to achieve the above-mentioned objectives, the utility model provides the following technical solutions: a river channel bridge pier anti-scouring device, comprising a bottom support hoop, a first curved protective cover, a first mounting plate and a second curved protective cover, wherein one end of the top of the bottom support hoop is fixedly connected to the first curved protective cover, the top and two ends of the bottom of the first curved protective cover are fixedly connected to the first mounting plate, the other end of the top of the bottom support hoop is slidably connected to the second curved protective cover, the top and two ends of the bottom of the second curved protective cover are fixedly connected to the second mounting plate, each of the side walls of the first mounting plate and the second mounting plate is provided with a first mounting hole, and a fastener is inserted therein, the fastener is a bolt and a nut, the side wall of the second curved protective cover is fixedly connected to the flow isolation plate through a support mounting mechanism, and a plurality of support rods are fixedly connected between the top and the bottom of the first curved protective cover and the second curved protective cover, and the rod wall of each support rod is rotatably connected to a buffer cylinder.

[0007] Preferably, the support mounting mechanism comprises a U-shaped support seat, an L-shaped connecting plate and a second mounting hole, the side walls of the two ends of the second arc-shaped protective cover are fixedly connected with the U-shaped support seat, the side walls of the two ends of the U-shaped support seat are clamped with the L-shaped connecting plate, and the surfaces of the two ends of the U-shaped support seat and the L-shaped connecting plate are provided with corresponding second mounting holes, and one end of the top of the L-shaped connecting plate is fixedly connected with the bottom of the flow separation plate.

[0008] Preferably, the bottom of the bottom support hoop and the top of the second arc-shaped protective cover are fixedly connected with an arc-shaped positioning plate, and a plurality of third mounting holes are formed in the side walls of the two ends of the arc-shaped positioning plate.

[0009] Preferably, the flow separation plate and the L-shaped connecting plate are fixedly connected with a support connecting plate.

[0010] Further, the surface of the buffer cylinder is provided with a corrosion-resistant rubber layer.

[0011] Preferably, the flow separation plate is an isosceles trapezoidal body, and a plurality of flow separation grooves are formed in one end and the adjacent surface.

[0012] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0013] 1. The utility model discloses a bottom support hoop arranged at the bottom of the first arc-shaped protective cover, which supports the first arc-shaped protective cover and the second arc-shaped protective cover after installation, the first mounting plate and the second mounting plate are arranged, the first arc-shaped protective cover and the second arc-shaped protective cover are conveniently installed through fasteners, the flow separation plate is arranged at one end of the second arc-shaped protective cover, and the flow separation plate is installed in the upstream direction of the river channel to make the water flow to both sides, thereby reducing the impact on the pier.

[0014] 2. The utility model discloses a buffer cylinder arranged on the rod wall of each support rod, which is contacted with the water flow generated by backflow to produce rotation, changes the flow direction of the water flow, the flow separation plate is arranged as an isosceles trapezoidal body, the water flow is guided through the plurality of flow separation grooves, thereby changing the direction of the water flow and reducing the impact on the pier.

[0015] 3. The utility model discloses a U-shaped support seat arranged at the side walls of the two ends of the second arc-shaped protective cover, corresponding second mounting holes are formed in the two ends of the U-shaped support and the L-shaped connecting plate, the L-shaped connecting plate is conveniently installed on the two ends of the U-shaped support seat through bolts, and the flow separation plate is supported and installed through the L-shaped connecting plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 2 This is a front structural sectional view of the utility model;

[0019] Figure 3 It is a partial three-dimensional structural diagram of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the buffer cylinder of the present utility model.

[0021] Description of reference numerals:

[0022] 1. Bottom support clamp; 2. First arc-shaped protective cover; 3. First mounting plate; 4. Second arc-shaped protective cover; 5. Second mounting plate; 6. First mounting hole; 7. Fastener; 8. Flow partition; 9. Support rod; 10. Buffer cylinder; 11. U-shaped support seat; 12. L-shaped connecting plate; 13. Second mounting hole; 14. Arc-shaped positioning plate; 15. Third mounting hole; 16. Support connecting plate; 17. Flow partition groove. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] The embodiment of the utility model discloses a device for preventing scour of river channel bridge piers.

[0025] The utility model provides Figure 1-4The anti-scour device for river bridge piers shown in the figure includes a bottom support hoop 1, a first arc-shaped protective cover 2, a first mounting plate 3 and a second arc-shaped protective cover 4. The top end of the bottom support hoop 1 is fixedly connected to the first arc-shaped protective cover 2, and the top and bottom ends of the first arc-shaped protective cover 2 are fixedly connected to the first mounting plate 3. The top other end of the bottom support hoop 1 is slidably connected to the second arc-shaped protective cover 4, and the top and bottom ends of the second arc-shaped protective cover 4 are fixedly connected to the second mounting plate 5. The side walls of each of the first mounting plate 3 and the second mounting plate 5 are provided with a first mounting hole 6, and are plugged with fasteners 7, which are bolts and nuts. The side walls of the second arc-shaped protective cover 4 are fixedly connected to a flow dividing plate 8 through a support mounting mechanism. A plurality of support rods 9 are fixedly connected between the top and bottom of the first arc-shaped protective cover 2 and the second arc-shaped protective cover 4. Each support rod The rod wall of 9 is rotatably connected with a buffer cylinder 10, and the bottom support clamp 1 arranged at the bottom of the first arc-shaped protective cover 2 is used to support the first arc-shaped protective cover 2 and the second arc-shaped protective cover 4 after installation. The first mounting plate 3 and the second mounting plate 5 are provided, and the first arc-shaped protective cover 2 and the second arc-shaped protective cover 4 are conveniently installed through the fastener 7. The flow dividing plate 8 arranged at one end of the second arc-shaped protective cover 4 is used to be installed in the upstream direction of the river channel to make the water flow to both sides, reducing the impact on the bridge piers, and the buffer cylinder 10 arranged on the rod wall of each support rod 9 is used to contact the water flow generated by the backflow through the buffer cylinder 10, generate rotation, change the flow direction of the water flow, and provide buffer protection for the two sides and rear of the bridge piers, thereby solving the problem that the existing river channel bridge pier anti-scour device cannot buffer the water flow and causes poor anti-scour effect.

[0026] In order to facilitate the support of the flow partition 8, as shown in FIG. Figure 1-3 As shown, the support and mounting mechanism includes a U-shaped support seat 11, an L-shaped connecting plate 12 and a second mounting hole 13. The U-shaped support seats 11 are fixedly connected to both ends of the side wall of the second curved protective cover 4. An L-shaped connecting plate 12 is clamped between the side walls of the U-shaped support seats 11 at both ends. Corresponding second mounting holes 13 are opened on the surfaces of the U-shaped support seats 11 at both ends and the L-shaped connecting plate 12 at both ends. The top of one end of the L-shaped connecting plate 12 is fixedly connected to the bottom of the flow partition 8. By utilizing the U-shaped support seats 11 set at both ends of the side wall of the second curved protective cover 4 and the corresponding second mounting holes 13 opened through the U-shaped support seats 11 at both ends and the L-shaped connecting plate 12, the L-shaped connecting plate 12 is conveniently mounted on the U-shaped support seats 11 at both ends by bolts, and the flow partition 8 is supported and mounted by the L-shaped connecting plate 12.

[0027] In order to facilitate the positioning of the device during installation, such as Figure 1-3As shown, the bottom of the bottom support hoop 1 and the top of the second arc-shaped protective cover 4 are fixedly connected with arc-shaped positioning plates 14, and a plurality of third mounting holes 15 are formed in the side walls of the two end arc-shaped positioning plates 14. By using the arc-shaped positioning plates 14 arranged at the bottom of the bottom support hoop 1 and the top of the second arc-shaped protective cover 4, the arc-shaped positioning plates 14 are installed through the third mounting holes 15, and the bottom of the bottom support hoop 1 and the first mounting plate 3 are fixed on the pier, so that the second arc-shaped protective cover 4 is placed on the top of one end of the bottom support hoop 1 and the first arc-shaped protective cover 2 is installed.

[0028] In order to reinforce and support the flow separation plate 8, as shown, Figure 1-3 As shown, the support connecting plates 16 are fixedly connected between the side walls of the flow separation plate 8 and the L-shaped connecting plate 12, and the support connecting plates 16 are arranged to reinforce and support the flow separation plate 8.

[0029] In order to prolong the service life of the buffer cylinder 10, as shown, Figure 1-4 As shown, the surface of the buffer cylinder 10 is provided with a corrosion-resistant rubber layer, and the corrosion-resistant rubber layer is arranged to prolong the service life of the buffer cylinder 10.

[0030] Finally, in order to separate the water flow, as shown, Figure 1-3 As shown, the flow separation plate 8 is an isosceles trapezoidal body, and a plurality of flow separation grooves 17 are formed in one end and the adjacent surface, and the flow separation plate 8 arranged as an isosceles trapezoidal body guides the water flow through the plurality of flow separation grooves 17, so as to change the direction of the water flow and reduce the impact on the pier.

[0031] Working principle:

[0032] During installation, the bottom support hoop 1 is first installed on the side of the pier wall in the downstream direction, and then the two end arc-shaped positioning plates 14 are fixed to the surface of the pier, so that the bottom of the bottom support hoop 1 and the first arc-shaped protective cover 2 are rotationally limited and fixed. The second arc-shaped protective cover 4 is placed on the other end of the bottom support hoop 1, and the first mounting plate 3 and the second mounting plate 5 are used to facilitate the installation of the first arc-shaped protective cover 2 and the second arc-shaped protective cover 4 through the fasteners 7. The flow separation plate 8 arranged at one end of the second arc-shaped protective cover 4 is installed in the upstream direction of the river channel to make the water flow to both sides and reduce the impact on the pier. The buffer cylinder 10 arranged on the rod wall of each support rod 9 is used to contact the water flow generated by the buffer cylinder 10 to produce rotation and change the flow direction of the water flow generated by the backflow, thereby buffering and protecting the two sides and the back of the pier, and solving the problem that the existing river pier anti-scouring device cannot buffer the water flow and has poor anti-scouring effect.

[0033] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A river pier anti-scour device, comprising a bottom support hoop (1), a first arc-shaped protective cover (2), a first mounting plate (3) and a second arc-shaped protective cover (4), characterized in that: The top end of the bottom support hoop (1) is fixedly connected to a first arc-shaped protective cover (2), and both ends of the top and bottom of the first arc-shaped protective cover (2) are fixedly connected to a first mounting plate (3). The other end of the top of the bottom support hoop (1) is slidably connected to a second arc-shaped protective cover (4), and both ends of the top and bottom of the second arc-shaped protective cover (4) are fixedly connected to a second mounting plate (5). The side walls of each of the first mounting plate (3) and the second mounting plate (5) are provided with a first mounting hole (6) and are plugged with a fastener (7), the fastener (7) being a bolt and a nut. The side wall of the second arc-shaped protective cover (4) is fixedly connected to a flow partition (8) through a support mounting mechanism. A plurality of support rods (9) are fixedly connected between the top and bottom of the first arc-shaped protective cover (2) and the second arc-shaped protective cover (4), and the rod wall of each of the support rods (9) is rotatably connected to a buffer cylinder (10).

2. The anti-scour device for river bridge piers according to claim 1, characterized in that: The support and mounting mechanism comprises a U-shaped support seat (11), an L-shaped connecting plate (12) and a second mounting hole (13); both ends of the side wall of the second arc-shaped protective cover (4) are fixedly connected to the U-shaped support seat (11); an L-shaped connecting plate (12) is clamped between the side walls of the U-shaped support seats (11) at both ends; corresponding second mounting holes (13) are opened on the surfaces of the U-shaped support seats (11) and the L-shaped connecting plate (12) at both ends; and the top of one end of the L-shaped connecting plate (12) is fixedly connected to the bottom of the flow partition (8).

3. The anti-scour device for river bridge piers according to claim 1, characterized in that: The bottom of the bottom support hoop (1) and the top of the second arc-shaped protective cover (4) are both fixedly connected with an arc-shaped positioning plate (14), and the side walls of the arc-shaped positioning plates (14) at both ends are provided with a plurality of third mounting holes (15).

4. The anti-scour device for river bridge piers according to claim 1, characterized in that: A supporting connecting plate (16) is fixedly connected between the flow partition (8) and the side wall of the L-shaped connecting plate (12).

5. The anti-scour device for river bridge piers according to claim 1, characterized in that: The surface of the buffer cylinder (10) is provided with a corrosion-resistant rubber layer.

6. The anti-scour device for river bridge piers according to claim 1, characterized in that: The flow partition plate (8) is an isosceles trapezoidal body, and a plurality of flow partition grooves (17) are provided on one end and the adjacent surface.

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