JPH0820933A - Clash protection equipment - Google Patents

Abstract

PURPOSE:To provide a small-sized buffer protection equipment capable of replacing a buffer easily. CONSTITUTION:A group of bearing piles 11 are erected around piers 50 erected on the seabed 51 in parallel with arrangement of the piers 50. Holding blocks 12 and 13 are so provided on the upper ends of a group of bearing piles 11 respectively that the blocks cross the surface 52a in the high tide and the surface 52b in the low tide. Buffer panels 15 for buffering external force by plastic deformation are inserted between the holding blocks 12 and 13 from above of the holding block 12 so as to make it possible to move the panels up and down. Floating blocks of a material having specific gravity lighter than water are provided to a wall surface of the piers 50 of the buffer panels 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to collision protection equipment,
In particular, it is useful when used to prevent a collision of a ship or the like with a pier or the like.

[0002]

2. Description of the Related Art Collision protection equipment is provided around a pier or the like in order to prevent a ship or the like from accidentally colliding with the pier or the like while navigating in a port or the like.

FIG. 8 shows a conventional example of such collision protection equipment. As shown in FIG. 8, a buffer block 31 in which a plurality of empty chambers 31a are formed using a plastically deformable material such as steel material.
Is attached to the peripheral wall of the pier 50 via the attachment plate 32. Thus, when a ship or the like collides with the pier 50, the buffer block 31 is plastically deformed to absorb the impact force at the time of the collision and prevent damage to the pier 50 and the ship or the like.

[0004]

As shown in FIG. 8, since such a collision protection equipment must be installed across the water surface 52a at high tide and the water surface 52b at low tide, the tide level is required. In a place with a large difference such as about 3.5 m, a buffer block 31 with a size of about 10 m is required, which not only makes the installation of the buffer block 31 very large, but also the cost is high. there were. Further, when the buffer block 31 is newly replaced due to plastic deformation of the buffer block 31 or the like, the replacement work must be performed in water, which is very troublesome.

[0005]

In order to solve the above-mentioned problems, the collision protection equipment according to the present invention is provided with a buffer body for buffering an external force and a buffer body near the protected body standing on the liquid surface of the liquid. And a buoyant body which is provided on the cushioning body and floats the cushioning body on the liquid surface by buoyancy.

Here, the cushioning body holding member is characterized in that the cushioning body can be attached and detached from above.

[0007]

In the collision protection system of the present invention having the above-mentioned structure, the buffer is floated above the liquid surface during the levitation. Therefore, the buffer moves up and down along with the vertical movement of the liquid surface to reach the liquid surface. Prevents an object that is always located and moving on the liquid surface from colliding with the protected object.

Further, since the cushioning body can be attached and detached from above the cushioning body holding member, the cushioning body can be exchanged on the liquid surface of the liquid.

[0009]

[Embodiment] FIG. 1 shows an embodiment of the collision protection equipment according to the present invention.
This will be described with reference to -5. 1 is a front view showing the overall structure, FIG. 2 is a view taken along the line II-II of FIG. 1, and FIG.
FIG. 4 is an enlarged view of an arrow III in FIG. 2, and FIG. 4 is IV-IV in FIG.
5 is a sectional view taken along the line V-V in FIG. 4.

As shown in FIGS. 1 and 2, the support piles 11a are provided near the bridge pier 50 which is a protected body erected on the bay bottom 51.
The support pile group 11 in which ~ 11e are arranged in a predetermined arrangement is the pier 50.
A plurality of them are erected at predetermined intervals along the arrangement direction of.
Holding blocks 12 each having a protrusion 12a on the side of the bridge pier 50 on the side surfaces facing each other are provided on the upper portion of the support pile group 11 on both ends in the arrangement direction. At the upper part of the support pile group 11 between the holding blocks 12, the bridge piers 50 on both sides are provided.
Retaining blocks 13 each having a protrusion 13a on its side are provided. These holding blocks 12 and 13 straddle between the water surface 52a at high tide and the water surface 52b at low tide.

As shown in FIG. 2, these holding blocks 1
A cover 14 made of an elastic material such as rubber or resin is provided on the outer side surface of the arrangement direction 2 and the wall surface facing the wall surface on the pier 50 side.
The ends of the covers 14 on the inner side in the arrangement direction of 2 are located near the protrusions 12a, respectively. In addition, the holding block 13
On the wall surface facing the wall surface of the pier 50 side of the
4 are provided, and both ends of the covers 14 are located near the protrusions 13a. In this embodiment, the support pile group 11, the holding block 12,
The buffer holding member is constituted by 13, the cover 14, and the like.

As shown in FIGS. 2 to 5, between the holding blocks 12 and 13, there are respectively buffer panels 15 which are buffer bodies in which a plurality of empty chambers 15a are formed using a plastically deformable material such as steel. It is arranged. Collar portions 15b are provided at both ends of the cushioning panels 15, respectively. The flanges 15b of the cushioning panels 15 are inserted between the protrusions 12a, 13a of the adjacent holding blocks 12, 13 and the ends of the cover 14, respectively. , 13 so as to be movable up and down along with the holding blocks 12, 1
It is removable from above 3. Floating blocks 16 which are levitation bodies made of a material having a smaller specific gravity than liquid water (for example, rubber or resin) are provided on the wall surface of the buffer panel 15 on the pier 50 side.
Therefore, the buffer panel 15 is always located on the water surface which is the liquid surface according to the ebb and flow of the tide.

Such a collision protection equipment operates as follows. When a ship or the like in flight accidentally approaches the bridge pier 50 and collides with the buffer panel 15, the buffer panel 15 plastically deforms and absorbs the impact force at the time of collision, thereby preventing damage to the pier 50 and the ship. Since these cushioning panels 15 are inserted and held in the holding blocks 12 and 13 so as to be vertically movable, the cushioning panels 1 plastically deformed from above the work boat.
The buffer panel 15 is replaced by pulling 5 upward and inserting a new buffer panel 15 from above.
Therefore, the replacement work in water is completely unnecessary, and the work efficiency can be greatly improved.

Further, since the buffer panel 15 is held so as to be movable up and down and the levitation block 16 is attached, it moves vertically according to the ebb and flow of the tide and is always positioned on the water surface. Therefore, regardless of the magnitude of the tide difference, it is sufficient to use a buffer panel of the minimum necessary size, for example,
When the low tide difference is about 3.5 m, the size of about 10 m was conventionally required, but according to the present invention, the size of about 6 m is enough. For this reason, not only the arrangement of equipment is easy, but also the materials used are greatly reduced, and the cost is significantly reduced.

Another embodiment of the collision protection equipment according to the present invention will be described with reference to FIGS. 6 is a front view showing the overall structure, and FIG. 7 is a view taken along the line VII-VII in FIG. However, the same members as those in the above-described embodiment are designated by the same reference numerals as those in the above-described embodiment, and the description thereof will be omitted.

As shown in FIGS. 6 and 7, holding blocks 22 each having a projection 22a are provided at the corners of the pier 50, and these holding blocks 22 serve as a water surface 52a at high tide and at low tide. It straddles the water surface 52b. Covers 14 are provided on the outer surfaces of the holding blocks 22, respectively, and both side ends thereof are located near the protrusions 22a, respectively. The cushioning panels 15 are arranged between the holding blocks 22, and the flange portions 15 b of the cushioning panels 15 are provided with the protrusions 22 of the holding blocks 22.
The cushioning panels 15 are inserted between a and the end of the cover 14, respectively, and these cushioning panels 15 can be moved up and down, respectively, similarly to the above-described embodiment. These buffer panels 1
5 are provided with levitation blocks 16 respectively,
These buffer panels 15 are always located on the water surface according to the ebb and flow of the tide, as in the above-described embodiments.

Therefore, such a collision protection equipment operates in the same manner as the above-mentioned embodiment, and the same effect as the above-mentioned embodiment can be obtained.

Although the above-mentioned embodiment is applied to the protection of the piers 51 provided in a harbor or the like, the invention is not limited to this.
This is effective in the case of protecting a structure, such as a tower constructed on the sea, which is erected on the liquid surface of a vertically moving liquid, from an object moving on the liquid surface. In the embodiment described above, the buffer panel 15 in which a plurality of chambers 15a are formed using a plastically deformable material such as steel is used, but a buffer panel made of an elastic material such as rubber or resin may be used, for example. . In the above-described embodiment, the levitation block 16 made of a material having a smaller specific gravity than water, such as rubber or resin, is used.
A gas such as air may be hermetically sealed so that the specific gravity thereof is smaller than that of the liquid, or a metallic levitation box having a depressurized interior may be used.

[0019]

As described above, in the collision protection equipment according to the present invention, since the levitation body floats the buffer body above the liquid surface,
The buffer body moves up and down as the liquid surface moves up and down, and is always located on the liquid surface. For this reason, even if the vertical movement width of the liquid surface is large, it is possible to handle with a buffer body of the minimum necessary size, so that not only the installation of the equipment becomes easy, but also the cost is greatly reduced.

Further, since the shock absorber can be attached and detached from above the shock absorber holding member, the damaged shock absorber can be replaced on the liquid surface. Therefore, the replacement work becomes very easy, and the work efficiency is significantly improved.

[Brief description of drawings]

FIG. 1 is a front view showing the overall structure of an embodiment of a collision protection facility according to the present invention.

FIG. 2 is a view taken along the line II-II of FIG.

FIG. 3 is an enlarged view of an arrow III portion in FIG.

FIG. 4 is a view taken along the line IV-IV of FIG.

5 is a cross-sectional view taken along the line VV of FIG.

FIG. 6 is a front view showing the overall structure of another embodiment of the collision protection equipment according to the present invention.

FIG. 7 is a view taken along the line VII-VII in FIG.

FIG. 8 is a side sectional view showing a configuration of an example of conventional collision protection equipment.

[Explanation of symbols]

 11 Support pile group 12, 13 Holding block 12a, 13a Projection 14 Cover 15 Buffer panel 15a Vacancy 15b Collar 16 Floating block 50 Pier 51 Bay bottom 52a High tide surface 52b Low tide surface

Claims (2)

[Claims] 1. A buffer body for buffering an external force, a buffer body holding member for holding the buffer body vertically movable near a protected body standing on a liquid surface of a liquid, and provided on the buffer body. A collision protection facility comprising: a levitation body that floats the buffer body on the liquid surface by buoyancy. 2. The collision protection equipment according to claim 1, wherein the cushioning body holding member allows the cushioning body to be attached and detached from above.