Multidirectional crumple energy absorption device for railway pier

Abstract

The utility model discloses a multidirectional collapse energy absorption device for a railway pier, and belongs to the technical field of bridge protection. Comprising a connecting assembly which is arranged on the outer side of a concrete platform, the connecting assembly comprises two steel channels A and two steel channels B, long screws are arranged on the inner sides of the two steel channels B, and the two steel channels A and the two steel channels B are fixedly arranged through nuts at the two ends of the two long screws; supporting plates are fixedly arranged at the tops of the two pieces of channel steel A and the tops of the two pieces of channel steel B correspondingly, and extension plates are fixedly arranged on the inner sides of the four supporting plates correspondingly; according to the concrete platform, the problems that in the prior art, a mounting groove needs to be formed in a concrete platform, mounting bolts need to be pre-buried, and the operation difficulty is increased when a worker manufactures the concrete platform are effectively solved; and therefore, the effect that the crumple energy absorption device is conveniently mounted at the bottom of the pier is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of bridge protection, in particular to a multi-directional collapse energy absorption device for a railway bridge pier. BACKGROUND

[0002] The collapse energy absorption device of the bridge pier is a safety protection structure for bridge engineering, which aims to absorb and disperse collision energy through controllable deformation or damage, so as to protect the main structure of the bridge pier from fatal damage.

[0003] In the related art, in order to solve the problem that when the ship speed is too fast and too close to the bridge pier, the ship is easy to hit the bridge pier, for example, the prior art with the publication number CN221822719U provides a bridge pier structure provided with a collision prevention device. The device adopts two kinds of anti-collision structures, one is a collapse energy absorption piece, which reduces kinetic energy by being squeezed by impact, and the other is a rubber ring anti-collision piece, which reduces impact damage.

[0004] Although the prior art in the above can achieve the effect of reducing the impact damage of the ship and the bridge pier by setting two kinds of anti-collision structures, the installation slot needs to be opened on the concrete platform, and the installation bolt needs to be pre-buried, which increases the operation difficulty of the workers when manufacturing the concrete platform.

[0005] In view of this, we propose a multi-directional collapse energy absorption device for a railway bridge pier. CONTENT OF THE UTILITY MODEL

[0006] The purpose of the present application is to provide a multi-directional collapse energy absorption device for a railway bridge pier, which can effectively solve the problem that in the prior art, the installation slot needs to be opened on the concrete platform, and the installation bolt needs to be pre-buried, which increases the operation difficulty of the workers when manufacturing the concrete platform.

[0007] The present application provides a multi-directional collapse energy absorption device for a railway bridge pier, comprising:

[0008] The connecting assembly is arranged on the outer side of the concrete platform, and comprises two channel steels A and two channel steels B. The inner sides of the two channel steels B are provided with long screws, and the two long screws are fixedly arranged with the two channel steels A and the two channel steels B through the nuts at both ends. The top of the two channel steels A and the two channel steels B is fixedly provided with a support plate, and the inner side of the four support plates is fixedly provided with an extension plate.

[0009] The collapse energy absorption assembly is arranged on the outer side of the connecting assembly.

[0010] As an optional scheme of the technical scheme of the present application, a plurality of positioning grooves are formed on the outer side of the four support plates, and a rubber column is arranged in the inner side of the plurality of positioning grooves.

[0011] As an optional solution of the technical scheme of the present application file, the outer side of the plurality of rubber columns is jointly provided with a hoop for fastening the plurality of hoops.

[0012] As an optional solution of the technical scheme of the present application file, the collapse energy absorption assembly comprises two right-angle plates A and two right-angle plates B, a plurality of connecting holes are formed in the top of the two right-angle plates A and the top of the two right-angle plates B, and a plurality of fixed screw A are arranged on the top of the four supporting plates.

[0013] As an optional solution of the technical scheme of the present application file, the outer side of the two right-angle plates A is provided with a plurality of side energy absorption plates A, the two ends of the two right-angle plates A are provided with corner energy absorption plates, and the outer side of the two right-angle plates B is provided with a plurality of side energy absorption plates B.

[0014] As an optional solution of the technical scheme of the present application file, the outer side of the collapse energy absorption assembly is surrounded by a rubber sleeve for preventing the outer side of the collapse energy absorption assembly from rubbing against the external ship body.

[0015] As an optional solution of the technical scheme of the present application file, the side of the two corresponding side energy absorption plates B that are close to each other is provided with two fixed holes, and the side of the rubber sleeve corresponding to the four fixed holes is provided with two fixed screw B.

[0016] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0017] (1) The present application adopts a connecting assembly, two long screws and four nuts are used to fix two channel steels A and two channel steels B together, so that the four supporting plates are installed on the outer side of the concrete platform, and the device can be installed on the outer side of the bridge pier, thereby effectively solving the problem that in the prior art, an installation groove needs to be formed on the concrete platform, and a mounting bolt needs to be pre-buried, which increases the operation difficulty of the staff when manufacturing the concrete platform, and further realizes the effect of facilitating the installation of the collapse energy absorption device at the bottom of the bridge pier.

[0018] (2) The present application sets a plurality of rubber columns on the outer side of the supporting plate, after the collapse energy absorption assembly is deformed by external extrusion, the plurality of rubber columns are extruded, so that the plurality of rubber columns further disperse the impact force received, further protecting the bridge pier, and the rubber sleeve is arranged on the outer side of the collapse energy absorption assembly to prevent the collapse energy absorption assembly from directly rubbing against the external ship body and causing damage. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The overall structure schematic diagram of the multi-directional collapse energy absorption device for railway bridge pier disclosed in the preferred embodiment of the present application.

[0020] Figure 2 The overall explosion structure diagram of the multi-directional collapse energy absorption device for railway bridge piers disclosed in a preferred embodiment of the present application is shown in the figure.

[0021] Figure 3 The structure diagram of the connecting assembly in the multi-directional collapse energy absorption device for railway bridge piers disclosed in a preferred embodiment of the present application is shown in the figure.

[0022] Figure 4 The structure diagram of the collapse energy absorption assembly in the multi-directional collapse energy absorption device for railway bridge piers disclosed in a preferred embodiment of the present application is shown in the figure.

[0023] Figure 5 The structure diagram of the rubber sleeve in the multi-directional collapse energy absorption device for railway bridge piers disclosed in a preferred embodiment of the present application is shown in the figure.

[0024] The figure label explanation: 100, pier body; 200, concrete platform; 1, connecting assembly; 11, channel steel A; 12, channel steel B; 13, long screw; 14, nut; 15, support plate; 151, extension plate; 16, positioning groove; 17, fixed screw A; 2, rubber column; 21, hoop; 3, collapse energy absorption assembly; 31, right-angle plate A; 311, side energy absorption plate A; 312, corner energy absorption plate; 32, right-angle plate B; 321, side energy absorption plate B; 3211, fixing hole; 33, connecting hole; 4, rubber sleeve; 41, fixed screw B. DETAILED DESCRIPTION

[0025] The present application is further described in detail below in conjunction with the accompanying drawings of the specification.

[0026] Reference Figure 1 , Figure 2 and Figure 3 The multi-directional collapse energy absorption device for railway bridge piers disclosed in the embodiments of the present application comprises a connecting assembly 1 arranged on the outer side of a concrete platform 200, the connecting assembly 1 comprises two channel steel A 11 and two channel steel B 12, the inner side of each of the two channel steel B 12 is provided with a long screw 13, the two long screws 13 are fixedly arranged with the two channel steel A 11 and the two channel steel B 12 through the nuts 14 at both ends, the top of each of the two channel steel A 11 and the two channel steel B 12 is fixedly arranged with a support plate 15, the inner side of each of the four support plates 15 is fixedly arranged with an extension plate 151, and the outer side of the connecting assembly 1 is surrounded by a collapse energy absorption assembly 3.

[0027] The concrete platform 200 is arranged at the bottom of the pier body 100. When the device is installed, the support plate 15 and the channel steel A11 and the channel steel B12 connected thereto are placed on the top of the concrete platform 200 through the four extension plates 151, and the two channel steels A11 and the two channel steels B12 are fixed together through the two long screw rods 13 and the four nuts 14, so that the four support plates 15 are installed on the outer side of the concrete platform 200, and the collapse energy absorption assembly 3 absorbs and disperses the collision energy through controllable deformation or destruction, thereby protecting the concrete platform 200 and the pier body 100.

[0028] With reference to Figure 2 , Figure 3 and Figure 4 , a plurality of positioning grooves 16 are arranged on the outer side of the four support plates 15, a plurality of rubber columns 2 are arranged on the inner side of the plurality of positioning grooves 16, and a plurality of hoops 21 are arranged on the outer side of the plurality of rubber columns 2 and are used for fastening the plurality of hoops 21. The collapse energy absorption assembly 3 comprises two right-angle plates A31 and two right-angle plates B32. A plurality of connecting holes 33 are arranged on the top of the two right-angle plates A31 and the top of the two right-angle plates B32. A plurality of fixed screw rods A17 are arranged on the top of the four support plates 15. A plurality of side energy absorption plates A311 are arranged on the outer side of the two right-angle plates A31. Corner energy absorption plates 312 are arranged at the two ends of the two right-angle plates A31. A plurality of side energy absorption plates B321 are arranged on the outer side of the two right-angle plates B32.

[0029] After the connecting assembly 1 is installed on the outer side of the concrete platform 200, the plurality of rubber columns 2 are placed on the inner side of the corresponding positioning grooves 16, and then the plurality of rubber columns 2 are fixed on the outer side of the connecting assembly 1 through the hoops 21. Then the connecting holes 33 on the top of the two right-angle plates A31 and the two right-angle plates B32 pass through the plurality of fixed screw rods A17 on the top of the four support plates 15, and the two right-angle plates A31 and the two right-angle plates B32 are fixed on the outer side of the rubber columns 2 through the plurality of fixed screw rods A17. The plurality of side energy absorption plates A311, the corner energy absorption plates 312 and the plurality of side energy absorption plates B321 protect the inner side structure. When the plurality of side energy absorption plates A311, the corner energy absorption plates 312 and the plurality of side energy absorption plates B321 are impacted by the external ship body, the impact force is absorbed and dispersed through deformation, thereby protecting the concrete platform 200.

[0030] With reference to Figure 1 , Figure 2 and Figure 5 , a rubber sleeve 4 is arranged on the outer side of the collapse energy absorption assembly 3 and is used for preventing the outer side of the collapse energy absorption assembly 3 from rubbing against the external ship body. Two fixing holes 3211 are arranged on one side of each of the two corresponding side energy absorption plates B321 which are close to each other. The rubber sleeve 4 is provided with two fixed screw rods B41 on one side corresponding to the four fixing holes 3211.

[0031] The rubber sleeve 4 is fixed on the outside of the collapse energy absorption assembly 3 through two fixed screws B41 matched with four fixed holes 3211, so that the rubber sleeve 4 can protect the collapse energy absorption assembly 3, avoiding friction between the external ship body and the collapse energy absorption assembly 3 when the collapse energy absorption assembly 3 is impacted by the external ship body.

[0032] In summary, the multi-directional collapse energy absorption device for railway bridge piers disclosed in the embodiments of the present application can protect the inner side structure through the side energy absorption plates A311, the corner energy absorption plates 312 and the side energy absorption plates B321, protect the concrete platform 200 and the pier body 100 by deforming and dispersing the impact force when the side energy absorption plates A311, the corner energy absorption plates 312 and the side energy absorption plates B321 are impacted by the external ship body, protect the collapse energy absorption assembly 3 through the rubber sleeve 4, and avoid friction between the external ship body and the collapse energy absorption assembly 3 when the collapse energy absorption assembly 3 is impacted by the external ship body;

[0033] During installation, the support plates 15 and the connected channel steel A11 and channel steel B12 are placed on the top of the concrete platform 200 through the four extension plates 151, and the two channel steel A11 and the two channel steel B12 are fixed together through the two long screws 13 and the four nuts 14, so that the connecting assembly 1 is installed on the outside of the concrete platform 200. Then, the plurality of rubber columns 2 are placed inside the corresponding positioning grooves 16, and the plurality of rubber columns 2 are fixed on the outside of the connecting assembly 1 through the hoops 21. Then, the connecting holes 33 on the top of the two right angle plates A31 and the two right angle plates B32 are passed through the plurality of fixed screws A17 on the top of the four support plates 15, and the two right angle plates A31 and the two right angle plates B32 are fixed on the outside of the rubber columns 2 through the plurality of fixed screws A17, so that the collapse energy absorption assembly 3 is installed on the outside of the rubber columns 2, and the installation of the equipment is completed.

Claims

1. A multi-directional collapse energy absorbing device for a railway pier, comprising: The utility model relates to a concrete platform connection assembly and collapsible energy absorption assembly, and belongs to the field of shipbuilding. The utility model discloses a concrete platform connection assembly and collapsible energy absorption assembly, which comprises a connection assembly (1) arranged outside a concrete platform (200), two channel steel A (11) and two channel steel B (12), long screw rods (13) arranged on the inner sides of the two channel steel B (12), the long screw rods (13) fixedly arranged on the two channel steel A (11) and the two channel steel B (12) through nuts (14) at both ends, support plates (15) fixedly arranged on the top of the two channel steel A (11) and the two channel steel B (12), and delay plates (151) fixedly arranged on the inner sides of the four support plates (15). A collapsible energy absorption assembly (3) is arranged outside the connection assembly (1).

2. The multi-directional collapse energy absorbing device for railway piers of claim 1, wherein: A plurality of positioning grooves (16) are formed on the outer sides of the four support plates (15), and rubber columns (2) are arranged in the positioning grooves (16).

3. The multi-directional collapse energy absorbing device for a railroad bridge pier according to claim 2, wherein: A plurality of hoop rings (21) are arranged on the outer sides of the rubber columns (2) to fasten the hoop rings (21).

4. The multi-directional collapse energy absorbing device for railway piers of claim 2, wherein: The collapsible energy absorption assembly (3) comprises two right-angle plates A (31) and two right-angle plates B (32), a plurality of connecting holes (33) are formed on the top of the two right-angle plates A (31) and the top of the two right-angle plates B (32), and a plurality of fixed screw rods A (17) are arranged on the top of the four support plates (15).

5. The multi-directional collapse energy absorbing device for a railroad bridge pier according to claim 4, wherein: A plurality of side energy absorption plates A (311) are arranged on the outer sides of the two right-angle plates A (31), corner energy absorption plates (312) are arranged at both ends of the two right-angle plates A (31), and a plurality of side energy absorption plates B (321) are arranged on the outer sides of the two right-angle plates B (32).

6. The multi-directional collapse energy absorbing device for a railroad bridge pier according to claim 5, wherein: A rubber sleeve (4) is arranged on the outer side of the collapsible energy absorption assembly (3) to prevent friction between the outer side of the collapsible energy absorption assembly (3) and an external ship body.

7. The multi-directional collapse energy absorbing device for a railroad bridge pier according to claim 6, wherein: Two fixing holes (3211) are formed on the side of each of the two corresponding side energy absorption plates B (321) that are close to each other, and two fixed screw rods B (41) are arranged on the side of the rubber sleeve (4) corresponding to the four fixing holes (3211).

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