CN219930871U - Single pile anticollision energy dissipation device - Google Patents

Abstract

The utility model discloses a single-pile anti-collision energy dissipation device which is arranged on the side edge of a bridge pier and comprises a pile body and a pier arranged at the top of the pile body, wherein the pile body comprises a fixed pile and a replaceable pile, the pier is arranged at the top of the replaceable pile, the top of the fixed pile is provided with a convex column and a groove, the bottom of the replaceable pile is provided with a concave hole and a convex block, the convex column extends into the concave hole, and the convex block is clamped into the groove; on the other hand, the single pile anti-collision energy dissipation device is designed into a detachable structure, the part of the pile body which is easy to collide is a replaceable pile, and when the pile body is impacted and damaged, only the part can be replaced, so that the maintenance speed is accelerated.

Description

Single pile anticollision energy dissipation device

Technical Field

The utility model belongs to the technical field of pier collision avoidance, and particularly relates to a single pile collision avoidance energy dissipation device.

Background

The existing large number of bridges are easy to be impacted by navigation ships in the operation process, so that the bridges are damaged or even collapse, and the safety of the bridges is seriously affected; therefore, in order to ensure the operation safety of the bridge, the newly-built anti-collision device of the navigable bridge is required to protect the bridge pier of the lower structure.

At present, the bridge pier anti-collision device mainly comprises an energy dissipation sleeve box, pile group protection, anti-collision strings and the like, the specific shape of the novel anti-collision energy storage rebound sliding buffering energy dissipation device can be disclosed by the existing publication 202010649921.6, and the manufacturing cost and the maintenance cost of the novel anti-collision energy dissipation device are high; in addition, according to different channel conditions, say: the navigation span of the first-stage channel reaches 127m, 6.5m occupied by the bridge pier is subtracted, the net width value of the channel is 121.5m, the net width of the channel is controlled to be more than 100m according to the specified requirement, and one side of the bridge pier protection structure can only occupy 10.75m at maximum; therefore, the current bridge cannot be provided with the anti-collision device with the single side of 10.75 m.

Therefore, a suitable and low-cost anti-collision energy dissipation device is designed for bridges with narrower channel widths.

Disclosure of Invention

In order to solve the problems, the utility model provides a single pile anti-collision energy dissipation device.

The technical scheme of the utility model is as follows:

the utility model relates to a single-pile anti-collision energy dissipation device which is arranged on the side edge of a pier and comprises a pile body and a pier abutment arranged at the top of the pile body, wherein the pile body comprises a fixed pile and a replaceable pile, the pier abutment is arranged at the top of the replaceable pile, the top of the fixed pile is provided with a convex column and a groove, the bottom of the replaceable pile is provided with a concave hole and a convex block, the convex column extends into the concave hole, and the convex block is clamped into the groove; on the other hand, the single pile anti-collision energy dissipation device is designed into a detachable structure, the part of the pile body which is easy to collide is a replaceable pile, and when the pile body is impacted and damaged, only the part can be replaced, so that the maintenance speed is accelerated.

Further, there is the secondary anticollision design to the pier is as the origin and sets up in opposite directions two be connected with the energy-absorbing subassembly between the pile body, the energy-absorbing subassembly includes haulage rope and body, one is connected to the one end of haulage rope the pile body, body fixed connection haulage rope, haulage rope and body are used for absorbing the kinetic energy of boats and ships, slow down the action that directly hits the pier, further protect the pier.

Further, the replaceable pile is provided with a ring groove, a wire guide hole is arranged in the ring groove, the traction rope is wound in the ring groove, penetrates into the wire guide hole, and is knotted and fixed on the wire guide hole.

Further, reminding marks are arranged on the abutment and the floating body.

Further, the fixing pile and the replaceable pile are internally provided with a main rib, positioning ribs and spiral ribs, the main rib longitudinally penetrates through the fixing pile and the replaceable pile, the positioning ribs are transversely arranged on the side edges of the main rib at intervals, and the spiral ribs are wound on the main rib at intervals.

Further, grid ribs are arranged in the abutment.

The utility model has the beneficial effects that:

the single pile anti-collision energy dissipation device is designed, and is arranged on the side edge of a pier, and comprises a pile body and a pier abutment arranged at the top of the pile body, wherein the pile body comprises a fixed pile and a replaceable pile, the pier abutment is arranged at the top of the replaceable pile, the top of the fixed pile is provided with a convex column and a groove, the bottom of the replaceable pile is provided with a concave hole and a convex block, the convex column stretches into the concave hole, and the convex block is clamped into the groove; on the other hand, the single pile anti-collision energy dissipation device is designed into a detachable structure, the part of the pile body which is easy to collide is a replaceable pile, and when the pile body is impacted and damaged, only the part can be replaced, so that the maintenance speed is accelerated.

Drawings

FIG. 1 is a schematic cross-sectional view of a pile body and abutment of a single pile anti-collision energy dissipating device according to the present utility model;

FIG. 2 is a schematic diagram of a connection structure between a pile body and an energy absorbing assembly of a single pile anti-collision energy dissipating device according to the present utility model;

FIG. 3 is a schematic view of an exploded construction of a pile body of a single pile crash-proof energy dissipating device according to the present utility model;

FIG. 4 is a schematic diagram of a replaceable pile of a single pile anti-collision energy dissipating device according to the present utility model;

FIG. 5 is a schematic view of the pile body and ribs arranged inside the abutment of the single pile anti-collision energy dissipating device of the present utility model;

FIG. 6 is a schematic diagram of a pile body reinforcement distribution cross-section structure of a single pile anti-collision energy dissipation device of the utility model;

FIG. 7 is a schematic view of an embodiment of a single pile crash-proof energy dissipating device according to the present utility model;

reference numerals: 1. pier, 2, pile body, 21, fixed pile, 211, convex column, 212, groove, 22, replaceable pile, 221, concave hole, 222, convex block, 23, ring groove, 24, wire guide, 3, abutment, 4, energy absorbing component, 41, haulage rope, 42, floating body, 5, reminding mark, 6, main rib, 7, positioning rib, 8, spiral rib, 9, grid rib.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that when an element is referred to as being "mounted on," "disposed on," "covered on," "sleeved on" or "engaged with" another element, it can be directly on the other element or be indirectly on the other element.

It is to be understood that in the description of the utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

In addition, the terms "inner", "upper", "between", "two sides", "one side", "top", "bottom", "side", etc. indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-7, the utility model provides a single pile anti-collision energy dissipation device, which is arranged on the side of a bridge pier 1 and comprises a pile body 2 and a pier 3 arranged on the top of the pile body 2, wherein the pile body 2 comprises a fixed pile 21 and a replaceable pile 22, the pier 3 is arranged on the top of the replaceable pile 22, a convex column 211 and a groove 212 are arranged on the top of the fixed pile 21, a concave hole 221 and a convex block 222 are arranged at the bottom of the replaceable pile 22, the convex column 211 stretches into the concave hole 221, and the convex block 222 is clamped into the groove 212; on the other hand, the single-pile anti-collision energy dissipation device is designed into a detachable structure, the replaceable pile 22 and the abutment 3 are integrally formed, the impact point of the ship is the abutment 3, and after the ship is impacted and damaged, only the part can be replaced, so that the maintenance speed is accelerated.

Further, referring to fig. 5, the fixing piles 21 and the replaceable piles 22 are provided with main ribs 6, positioning ribs 7 and spiral ribs 8, the main ribs 6 longitudinally penetrate through the fixing piles 21 and the replaceable piles 22, referring to fig. 6, the main ribs 6 are arranged along the circumferential surface of the pile body, the positioning ribs 7 are transversely arranged on the side edges of the main ribs 6 at intervals, the spiral ribs 8 are wound on the main ribs 6 at intervals, and the structures of the fixing piles 21 and the replaceable piles 22 are reinforced through the main ribs 6, the positioning ribs 7 and the spiral ribs 8, so that the hardness of the fixing piles is improved.

Further, the grid ribs 9 are arranged in the abutment 3, and the grid ribs 9 also play a role in reinforcing, so that the hardness of the abutment 3 is improved.

Thus, the fixed piles 21 and the replaceable piles 22 are built by reinforced concrete, and the manufacturing cost is controlled.

When the ship passes through the single pile, the ship may possibly run in a slanting manner, and the pier 1 needs to be further crashproof protected.

Therefore, there is the secondary anticollision design to pier 1 is as the origin setting two be connected with energy-absorbing subassembly 4 between the pile body 2 in opposite directions, energy-absorbing subassembly 4 includes haulage rope 41 and body 42, one is connected to the one end of haulage rope 41 pile body 2, body 42 fixed connection haulage rope 41, haulage rope 41 and body 42 are used for absorbing the kinetic energy of boats and ships, slow down the speed that directly hits pier 1, further protect pier 1. Specifically, the traction rope 41 may be a wire rope or a nylon net rope.

Referring to fig. 2, the traction rope 41 is divided into a main line and a branching line, the branching line is spaced below the main line, and the floating body 42 is fixed by the branching line.

Specifically, the replaceable pile 22 is provided with a ring groove 23, the ring groove 23 is internally provided with a wire guide 24, the traction rope 41 is wound in the ring groove 23, the traction rope 41 penetrates through the wire guide 24, and the traction rope 41 is knotted and fixed on the wire guide 24.

Further, the abutment 3 and the floating body 42 are provided with a reminding mark 5, so that when the ship is at a distance, the ship can notice that the ship is about to drive into the vicinity of the abutment, and the vigilance is improved.

The installation process of the single pile anti-collision energy dissipation device is as follows:

(1) Assembling the replaceable piles 22 with the fixed piles 21;

(2) Burying the tail part of the fixed pile 21 into the rock entering part of the water bottom;

(3) The traction rope 41 of the energy absorption assembly 4 is wound and fixed on the annular groove 23, the traction rope 41 penetrates into the wire guide hole 24, the traction rope 41 is knotted and fixed on the wire guide hole 24, and the floating body 42 floats on the water surface.

It should be noted that, when the ship can travel on both sides of the bridge pier 1, two energy absorbing assemblies 4 are disposed between two pile bodies 2 disposed along the bridge pier 1 in opposite directions, and the bridge pier is protected from both sides.

The above examples illustrate only one embodiment of the utility model, which is described in more detail and is not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. The utility model provides a single stake anticollision energy dissipation device, locates pier (1) side, includes pile body (2) and locates pier (3) at pile body (2) top, a serial communication port, pile body (2) are including fixed pile (21) and interchangeable stake (22), pier (3) are located interchangeable stake (22) top, fixed pile (21) top is equipped with projection (211) and recess (212), the bottom of interchangeable stake (22) is equipped with shrinkage pool (221) and lug (222), projection (211) stretch into in shrinkage pool (221), lug (222) card is gone into in recess (212).

2. The single pile anti-collision energy dissipation device according to claim 1, wherein an energy absorption assembly (4) is connected between two pile bodies (2) which are oppositely arranged by taking a pier (1) as an origin, the energy absorption assembly (4) comprises a traction rope (41) and a floating body (42), one end of the traction rope (41) is connected with one pile body (2), and the floating body (42) is fixedly connected with the traction rope (41).

3. The single pile anti-collision energy dissipation device according to claim 2, wherein the replaceable pile (22) is provided with a ring groove (23), a wire guide hole (24) is arranged in the ring groove (23), the traction rope (41) is wound in the ring groove (23), the traction rope (41) penetrates through the wire guide hole (24), and the traction rope (41) is knotted and fixed on the wire guide hole (24).

4. The single pile anti-collision energy dissipation device according to claim 2, characterized in that the abutment (3) and the floating body (42) are provided with reminding marks (5).

5. The single pile anti-collision energy dissipation device according to claim 4, wherein the fixing piles (21) and the replaceable piles (22) are internally provided with main ribs (6), positioning ribs (7) and spiral ribs (8), the main ribs (6) longitudinally penetrate through the fixing piles (21) and the replaceable piles (22) respectively, the positioning ribs (7) are transversely arranged on the side edges of the main ribs (6) at intervals, and the spiral ribs (8) are wound on the main ribs (6) at intervals.

6. The single pile anti-collision energy dissipation device according to claim 4, wherein grid ribs (9) are arranged in the abutment (3).