JPH0380206B2 - - Google Patents
Info
- Publication number
- JPH0380206B2 JPH0380206B2 JP16607985A JP16607985A JPH0380206B2 JP H0380206 B2 JPH0380206 B2 JP H0380206B2 JP 16607985 A JP16607985 A JP 16607985A JP 16607985 A JP16607985 A JP 16607985A JP H0380206 B2 JPH0380206 B2 JP H0380206B2
- Authority
- JP
- Japan
- Prior art keywords
- bridge
- ship
- ferry
- quay
- handrail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、主として内航船用の渡船設備、すな
わち岸壁と繋船との間に架け渡す渡船橋梁の改良
に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates primarily to improvement of ferry equipment for domestic vessels, that is, a ferry bridge built between a quay and a mooring ship.
（従来の技術）
従来、岸壁に繋留されている内航船舶への渡船
には、第５図に示すような歩み板１３が主として
用いられている。この歩み板１３は、木製あるい
は金属製の一枚板１４に滑り止めの横木１５を一
定間隔で打ちつけ、パイプ製の手摺１２を取り付
けた構造のものである。(Prior Art) Conventionally, a footboard 13 as shown in FIG. 5 has been mainly used for ferrying to domestic vessels moored to a quay. This footboard 13 has a structure in which non-slip crossbars 15 are nailed at regular intervals to a single board 14 made of wood or metal, and handrails 12 made of pipe are attached.
（発明が解決しようとする問題点）
しかし、上記従来の歩み板１３は、引潮や荷重
の影響による接岸船舶の位置の低下に備えて、予
め長さ（Ｌ）の異なる数種のものを用意してお
き、度々これらの架け替え作業を行う必要があつ
た。(Problem to be Solved by the Invention) However, the conventional footboards 13 described above are prepared in advance in several types with different lengths (L) in preparation for a drop in the position of the berthed vessel due to the effects of ebb tide and load. However, it was often necessary to perform these rebuilding works.
すなわち、第６図イに示すように、岸壁と接岸
船舶間にほぼ水平に架設した長さL1の歩み板１
３は、その後の引潮や荷重の影響による船舶の位
置の低下にともなつて、第６図ロに示すように、
次第に船舶側へ下向傾斜した形となる。すると、
歩み板１３の岸壁側端部１３′は空中へ跳ね上が
つた形となり、この高さＨが大きくなるに従つて
歩み板１３上の歩行は困難となる。このような場
合に、歩み板１３を、段階的により短い長さL2
の別の歩み板１３に架け替えて、歩み板端部１
３′の前記跳ね上がり高さＨを低く調整し、歩行
し易くしていたのである。 In other words, as shown in Figure 6A, a footboard 1 with a length L 1 is installed almost horizontally between the quay and the berthed vessel.
3, as the ship's position subsequently decreased due to the effects of the ebbing tide and load, as shown in Figure 6 (b),
The shape gradually slopes downward toward the ship. Then,
The end portion 13' of the footboard 13 on the quay wall side is in the shape of being raised into the air, and as this height H increases, walking on the footboard 13 becomes difficult. In such a case, the stepboard 13 is gradually reduced to a shorter length L 2
Replace it with another footboard 13, and
The above-mentioned spring height H of 3' was adjusted low to make it easier to walk.
もつとも、このような歩み板の架け替えによる
調整は、歩み板１３が岸壁側に十分余裕をもつて
架け渡せる範囲でのみ可能であり、架け替えによ
つて歩み板１３の端部１３′が岸壁から外れるよ
うな急傾斜の場合には、架け替えは不可能とな
り、渡船することができなかつた。 However, such adjustment by replacing the footboards is only possible to the extent that the footboards 13 can be placed on the quay side with sufficient margin; If the bridge was on such a steep slope that it deviated from the bridge, it would be impossible to rebuild the bridge, making it impossible to ferry.
本発明は、歩み板の上記問題点を解決するため
になされたものであり、岸壁と接岸船舶間に一度
架設すれば、船舶側の位置の低下による架け替え
作業を全く必要とせず、常に安全な渡船歩行が可
能な渡船架橋の提供を目的とする。 The present invention has been made to solve the above-mentioned problems with footboards, and once installed between the quay and the berthed ship, there is no need for replacement work due to the lowering of the ship's position, and it is always safe. The purpose is to provide a ferry bridge that allows for easy ferry walking.
（問題点を解決するための手段）
上記目的を達成する本発明の渡船橋梁１は、１
対の側材１′と側材間に適当間隔で並列する踏材
２よりなる梯子様橋梁の両端より適当距離の１個
所で橋梁が水平より下方へのみ曲折できる関節４
を設け、長尺側の橋梁の端に船舶手摺への把持金
具８を取付け、また短尺側の橋梁の端に車輪１１
を取付けてなることを特徴とする。(Means for Solving the Problems) The ferry bridge 1 of the present invention that achieves the above object has the following features:
A joint 4 at which the bridge can bend only downward from the horizontal at one point at an appropriate distance from both ends of a ladder-like bridge consisting of a pair of side members 1' and treads 2 arranged in parallel at appropriate intervals between the side members.
A grip fitting 8 for holding the ship's handrail is attached to the end of the bridge on the long side, and wheels 11 are attached to the end of the bridge on the short side.
It is characterized by being attached.
また、側材間に適当間隔で並列する踏材２は、
半円筒篭形の踏材であることが望ましい。 In addition, the treads 2 arranged in parallel at appropriate intervals between the side members are
It is desirable that the tread be in the shape of a semi-cylindrical basket.
（作用）
上記構成よりなる渡船橋梁は、その短尺側を岸
壁上に載置し、長尺側端部の把持金具８を接岸船
舶の手摺７に取付けて、岸壁と接岸船舶間に架設
されるが、岸壁に対して船舶手摺７の位置が水平
もしくは上方に位置する場合は、第４図の架設態
様図ＥおよびＦ〜Ｌに示すように、関節４は全く
曲折しない。しかし岸壁に対して船舶手摺７の位
置が下方に位置する場合は、同第４図のＡ−Ｄに
示すように、関節４が船舶手摺７の位置に応じて
下方へ自在に曲折するから、当該橋梁の短尺側が
岸壁上で空中に跳ね上がることがなく、接地した
ままである。したがつて、橋梁を架け替える必要
がなく、常に安全な渡船歩行が可能である。(Function) The ferry bridge constructed as described above is constructed between the quay and the berthed vessel by placing its short side on the quay and attaching the grip 8 at the end of the long side to the handrail 7 of the berthed vessel. However, when the ship handrail 7 is located horizontally or above the quay, the joint 4 does not bend at all, as shown in the construction diagrams E and F to L in FIG. 4. However, when the position of the ship's handrail 7 is located downward with respect to the quay, the joint 4 bends freely downward according to the position of the ship's handrail 7, as shown in A-D of FIG. The short side of the bridge does not jump up into the air on the quay and remains on the ground. Therefore, there is no need to rebuild the bridge, and safe ferry walking is always possible.
また、踏材２を半円筒篭形に形成しておくと、
当該橋梁が急傾斜をなす場合でも、歩行者はその
広い半円上で適当な踏面が得られ、スリツト部分
が滑り止めにもなるので、一層安全な渡船歩行が
可能である。 Also, if the step material 2 is formed into a semi-cylindrical basket shape,
Even if the bridge has a steep slope, pedestrians can get a suitable tread on the wide semicircle, and the slits also prevent slipping, making it possible to walk on the ferry even more safely.
以下、本発明の実施例について説明する。 Examples of the present invention will be described below.
（実施例）
第１図イは船舶の手摺上方と岸壁の高さが略々
一致している場合の架設本発明渡船橋梁の側面
図、ロは岸壁よりも船舶の手摺が低い場合の架設
本発明渡船橋梁の側面図、第２図は本発明渡船橋
梁の平面図である。(Example) Figure 1A is a side view of the ferry bridge of the present invention constructed when the height above the ship's handrail and the quay wall are approximately the same, and Figure 1B is a side view of the ferry bridge constructed when the ship's handrail is lower than the quay wall. FIG. 2 is a side view of the ferry bridge of the invention, and FIG. 2 is a plan view of the ferry bridge of the invention.
図において１′，１′は１対の側材、２，２は側
材間に適当間隔で並列する半円筒篭形踏材であ
る。この実施例では補強のため数個所で側材間に
横材３，３をさし渡し、以上で梯子様橋梁１を構
成する。この梯子様橋梁１の全長は実施例のもの
は２ｍで両端より適当距離の１個所、この例では
１ｍ50cmの位置に橋梁が水平より下方へのみ曲折
できる関節４がある。なお橋梁の巾は人が自由に
通れる寸法の40cmである。 In the figure, 1' and 1' are a pair of side members, and 2 and 2 are semi-cylindrical basket-shaped treads arranged in parallel at appropriate intervals between the side members. In this embodiment, cross members 3, 3 are interposed between the side members at several locations for reinforcement, and the ladder-like bridge 1 is thus constructed. The total length of this ladder-like bridge 1 is 2 m in the embodiment, and there is a joint 4 at an appropriate distance from both ends, in this example at a position of 1 m 50 cm, which allows the bridge to bend only downwards from the horizontal. The width of the bridge is 40cm, which is enough for people to cross freely.
上記全長および関節位置の寸法は岸壁と繋留船
舶舷側との間隔が略々75cm、潮の干満、内航船舶
の積荷の増減による手摺の高さ位置等を勘案し、
種々の場合に船の手摺と岸壁間に自由に架け渡せ
る寸法として決定されたものである。 The above overall length and joint position dimensions take into account the distance between the quay and the side of the moored ship, which is approximately 75 cm, the height of the handrail due to tides, changes in cargo on domestic ships, etc.
The dimensions were determined so that it could be freely bridged between a ship's handrail and a quay in various cases.
関節４は、ヒンジの軸をなすボルト６と一方の
側材間に設けられたストツパー５を備え、第１図
イの橋梁が水平の状態で、他方の側材の１部がス
トツパー５の上面に当たつて橋梁１の長尺側と短
尺側を水平状態に維持して上方へは曲折しない。
しかし、水平より下方へは第１図ロ如くストツパ
ー５に当たつていた側材の１部がストツパー上面
を離れて曲折できる。 The joint 4 is equipped with a bolt 6 that forms the axis of the hinge and a stopper 5 provided between one side member. When the bridge in FIG. In doing so, the long side and short side of the bridge 1 are maintained in a horizontal state and are not bent upward.
However, below the horizontal plane, a part of the side member that was in contact with the stopper 5 can be bent away from the upper surface of the stopper, as shown in FIG. 1B.
長尺側の橋梁の端には船舶手摺７への把持金具
８が設けられる。図示例ではコ字形金具９を側材
１′の先端に固着し、コ字形金具９の開放側を船
舶手摺７に嵌め抜け止めピン１０を開放側に差し
込んで手摺７を確実に把持するようになつてい
る。１１は当該橋梁の運搬用車輪（キヤスタ）で
図示の如く短尺側橋梁の先端に設けられている。
また１２は橋梁手摺で、図示例のものはアルミ合
金製のアングル材とパイプ材とて組立てられてい
る。なお橋梁本体と踏材、横材は鋼板製である。 A gripping fitting 8 for holding the ship's handrail 7 is provided at the end of the bridge on the long side. In the illustrated example, the U-shaped metal fitting 9 is fixed to the tip of the side member 1', the open side of the U-shaped metal fitting 9 is fitted into the ship's handrail 7, and the locking pin 10 is inserted into the open side to securely grip the handrail 7. It's summery. Reference numeral 11 denotes transport wheels (casters) for the bridge, which are provided at the tip of the short bridge as shown in the figure.
Reference numeral 12 designates a bridge handrail, which in the illustrated example is assembled from aluminum alloy angle members and pipe materials. The bridge body, treads, and cross members are made of steel plates.
２の半円筒篭形踏材は、第１図側面図、第２図
平面図、第３図斜視図に示す如く、比較的大径の
鋼製パイプを半割にし、その周面に矩形状のスリ
ツトを一定間隔で設けて篭形に形成したものであ
り、側材１′には溶接により取り付けられている。
本発明の渡船橋梁１は、このような半円筒篭形踏
材の他、通常の例えば丸棒、角棒等の踏材を用い
ることもできる。 As shown in the side view in Figure 1, the plan view in Figure 2, and the perspective view in Figure 3, the semi-cylindrical basket-shaped tread material No. 2 is made by cutting a relatively large diameter steel pipe in half and inserting a rectangular shape around its circumferential surface. It is formed into a basket shape with slits provided at regular intervals, and is attached to the side member 1' by welding.
In addition to such semi-cylindrical basket-shaped treads, the ferry bridge 1 of the present invention can also use ordinary treads such as round bars and square bars.
（発明の効果）
以上に説明したとおり、本発明の渡船橋梁は、
下方へのみ自在に曲折する関節を備えているか
ら、橋梁全体が接岸船舶側へ下向傾斜する場合で
も、岸壁側へ架け渡した橋梁部分が空中へ踏ね上
がることがない。したがつて、橋梁を架け替える
必要が全くなく、常に安全な渡船歩行が可能であ
る。(Effect of the invention) As explained above, the ferry bridge of the present invention has the following features:
Since it is equipped with joints that can freely bend only downward, even if the entire bridge is tilted downward toward the berthed ship, the part of the bridge that extends toward the quay side will not rise into the air. Therefore, there is no need to rebuild any bridges, and safe ferry crossings are always possible.
また、車輪付きであるから、持ち運びも容易で
あり、内航船舶の荷役の上で益するところ極めて
大である。 Moreover, since it is equipped with wheels, it is easy to carry, which is extremely useful for cargo handling on domestic vessels.
第１図イ，ロは本発明渡船橋梁の側面図。第２
図は同平行面図。第３図は半円筒篭形踏材の斜視
図。第４図は渡船橋梁の架設態様を例示する線図
で、矢視間の数字は岸壁と船の手摺との高低差を
メートル単位で示している。第５図は従来の歩み
板を示す側面図。第６図は歩み板の岸壁側端部の
跳ね上がりを説明する線図である。
Figures 1A and 1B are side views of the ferry bridge of the present invention. Second
The figure is a parallel view of the same. FIG. 3 is a perspective view of a semi-cylindrical basket-shaped tread. Figure 4 is a line diagram illustrating the manner in which a ferry bridge is constructed, and the numbers between the arrows indicate the difference in height between the quay and the ship's handrail in meters. FIG. 5 is a side view showing a conventional footboard. FIG. 6 is a diagram illustrating how the end of the footboard on the quay side springs up.
Claims (1)
材よりなる梯子様橋梁の両端より適当距離の１個
所で橋梁が水平より下方へのみ曲折できる関節を
設け、長尺側の橋梁の端に船舶手摺への把持金具
を取付け、また短尺側の橋梁の端に車輪を取付け
てなることを特徴とする船舶橋梁。 ２ 側材間に適当間隔で並列する踏材が半円筒篭
形踏材であることを特徴とする特許請求の範囲第
１項記載の渡船橋梁。[Claims] 1. A ladder-like bridge consisting of a pair of side members and treads arranged in parallel at appropriate intervals is provided with a joint that allows the bridge to bend only downward from the horizontal at one point at an appropriate distance from both ends. A ship bridge, characterized in that a gripping fitting for a ship handrail is attached to the end of the bridge on the long side, and wheels are attached to the end of the bridge on the short side. 2. The ferry bridge according to claim 1, wherein the treads arranged in parallel at appropriate intervals between the side members are semi-cylindrical basket-shaped treads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16607985A JPS6225604A (en) | 1985-07-27 | 1985-07-27 | Ferryboat bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16607985A JPS6225604A (en) | 1985-07-27 | 1985-07-27 | Ferryboat bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6225604A JPS6225604A (en) | 1987-02-03 |
| JPH0380206B2 true JPH0380206B2 (en) | 1991-12-24 |
Family
ID=15824589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16607985A Granted JPS6225604A (en) | 1985-07-27 | 1985-07-27 | Ferryboat bridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6225604A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7096459B2 (en) * | 2019-05-14 | 2022-07-06 | 株式会社カンテツ | Non-slip structure for treads of aluminum step board and ferry bridge for small vessels using aluminum step board |
-
1985
- 1985-07-27 JP JP16607985A patent/JPS6225604A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6225604A (en) | 1987-02-03 |
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