JPH018985Y2 - - Google Patents
Info
- Publication number
- JPH018985Y2 JPH018985Y2 JP6629682U JP6629682U JPH018985Y2 JP H018985 Y2 JPH018985 Y2 JP H018985Y2 JP 6629682 U JP6629682 U JP 6629682U JP 6629682 U JP6629682 U JP 6629682U JP H018985 Y2 JPH018985 Y2 JP H018985Y2
- Authority
- JP
- Japan
- Prior art keywords
- wave
- dissipating
- water surface
- waves
- membrane
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 14
- 238000012360 testing method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Description
【考案の詳細な説明】
本考案は、模型船のテスト等に用いられる水槽
の水面の消波装置に関する。[Detailed Description of the Invention] The present invention relates to a wave dissipating device for the water surface of an aquarium used for testing model ships, etc.
一般に、試験水槽のように水槽幅が制限された
水面で波浪中試験を行なう場合、水槽壁からの返
り波の影響が波浪中性能の計測精度を大きく左右
するため、従来は水槽側壁部に固定された消波板
で波の静まるのを待つてから、試験が実施されて
おり、強制的に波に外力を加えて減衰させる装置
は無かつた。 Generally, when performing wave tests in a water surface with a limited width such as a test tank, the influence of return waves from the tank wall greatly affects the measurement accuracy of performance in waves, so conventionally it was fixed to the side wall of the tank. Tests were conducted after waiting for the waves to subside with the wave-dampening plates, and there was no device that could forcibly apply an external force to the waves to attenuate them.
すなわち、従来は第１図（断面図）および第２
図（平面図）に示すように、水槽１の側壁６にネ
ジ５で固定された枠板４に、矩形断面の板３が階
段状に取付けられることにより、消波板２が構成
されており、この消波板２は側壁６の全長にわた
つて水面付近に設けられている。 In other words, conventionally, Fig. 1 (cross-sectional view) and Fig. 2
As shown in the figure (plan view), the wave-dissipating plate 2 is constructed by attaching plates 3 with a rectangular cross section in a stepped manner to a frame plate 4 fixed to the side wall 6 of the water tank 1 with screws 5. , this wave-absorbing plate 2 is provided near the water surface over the entire length of the side wall 6.
そして、曳引車８で曳引される模型船７の造つ
た波９は、水槽１の幅方向に伝播してゆき、側壁
６に設けられた消波板２によつて波９の減衰が行
なわれるようになつている。 The waves 9 created by the model ship 7 being towed by the tow truck 8 propagate in the width direction of the water tank 1, and the waves 9 are attenuated by the wave-dissipating plate 2 provided on the side wall 6. It is beginning to be practiced.
しかしながら、このような従来の固定式消波板
による手段では、水槽内の波が側壁へ伝播して完
全に減衰するまでにかなりの時間を要するので、
繰返し計測を行なう場合に、前回の模型船の航走
で生じた波が残つて影響を与える恐れがある。 However, with such conventional means using fixed wave-absorbing plates, it takes a considerable amount of time for the waves in the tank to propagate to the side walls and be completely attenuated.
When repeating measurements, there is a risk that waves from the previous trip of the model ship may remain and have an effect.
本考案は、このような問題点の解消をはかろう
とするもので、水槽内の消波を能率よく迅速に行
なつて模型船の試験精度の向上をはかれるように
した装置を提供することを目的とする。 The present invention aims to solve these problems, and aims to provide a device that can efficiently and quickly dissipate waves in a water tank and improve the accuracy of model ship tests. purpose.
このため本考案の水槽用消波装置は、水槽の上
部に沿つて走行しうる曳引車と、同曳引車から引
上げ可能に垂下されて上記水槽の水面へ敷設され
る消波膜とをそなえ、上記水面の波の消波を行な
うべく上記消波膜を上下動させる駆動機構が設け
られたことを特徴としている。 Therefore, the wave-dissipating device for an aquarium of the present invention includes a towing vehicle that can run along the top of the aquarium, and a wave-dissipating membrane that is suspended from the towing vehicle so that it can be pulled up and laid on the water surface of the aquarium. The present invention is characterized in that a drive mechanism is provided for vertically moving the wave-dissipating membrane in order to dissipate the waves on the water surface.
上述の本考案の水槽用消波装置では、模型船の
曳航等により水槽の水面に生じた波の消波を行な
う際に、曳引車に設けられた消波膜が上記水面に
垂下されるようにして敷設される。 In the above-described wave-dissipating device for an aquarium of the present invention, when dissipating waves generated on the water surface of the aquarium due to towing of a model ship, etc., the wave-dissipating membrane provided on the towing vehicle is suspended onto the water surface. It is laid down in this way.
そして、上記消波膜の駆動機構により同消波膜
を上記波の位相と逆の位相で上下動させる作用が
行なわれる。 The drive mechanism for the wave-absorbing film causes the wave-absorbing film to move up and down in a phase opposite to that of the waves.
以下、図面により本考案の一実施例としての水
槽用消波装置について説明すると、第３図はその
要部の概略を示す側面図、第４図は第３図の−
矢視線からみた駆動機構の正面図、第５図は第
３図の−矢視線からみた斜視図である。 Hereinafter, a wave dissipating device for an aquarium as an embodiment of the present invention will be explained with reference to the drawings. FIG. 3 is a side view schematically showing the main parts thereof, and FIG.
FIG. 5 is a front view of the drive mechanism seen from the arrow line, and FIG. 5 is a perspective view seen from the - arrow line of FIG.
第３，５図に示すように、水槽の上部に沿つて
走行しうる曳引車８により、水槽の水面に浮かぶ
模型船７が曳引されて試験が行なわれるようにな
つており、その際、水槽水面の波９の消波を行な
う装置は、次のように構成されている。 As shown in Figures 3 and 5, a test is carried out by towing a model boat 7 floating on the water surface of the tank by a tow truck 8 that can run along the top of the tank. The device for dissipating the waves 9 on the water surface of the aquarium is constructed as follows.
すなわち、第３，４図に示すごとく、曳引車８
に搭載されたモーター１１や、後述のクランク機
構およびラツク・ピニオン機構などを含む駆動機
構により、曳引車８から引上げ可能に垂下された
消波膜２４が、水面の波９を消波しうるように、
上下動せしめられるのである。 That is, as shown in FIGS. 3 and 4, the tow truck 8
A wave-dissipating membrane 24 suspended from the towing vehicle 8 and capable of being pulled up by a drive mechanism including a motor 11 mounted on the towing vehicle and a crank mechanism and a rack-and-pinion mechanism described later can dissipate waves 9 on the water surface. like,
It can be moved up and down.
消波膜２４は、フレーム２５に張られて、曳引
車８の前方で水槽の全幅にわたり水面に敷設され
るようになつており、フレーム２５の一端部は、
曳引車８の中心軸２３を介し回転可能に支持され
たアーム２１の先端に、ストツパー付き関節機構
２２で枢着されていて、これにより消波膜２４は
水面のやや上方に持ち上げられた際に、ほぼ水平
に保たれるようになつている。 The wave-dissipating membrane 24 is stretched on a frame 25 and laid on the water surface over the entire width of the tank in front of the towing vehicle 8. One end of the frame 25 is
It is pivotally connected to the tip of an arm 21 rotatably supported via the center shaft 23 of the towing wheel 8 by a joint mechanism 22 with a stopper, so that when the wave-absorbing membrane 24 is lifted slightly above the water surface, It is maintained almost horizontally.
アーム２１と一体の中心軸２３は、図示しない
軸受を介して曳引車８に支持されており、さらに
中心軸２３に固着された歯車２０が、曳引車８に
ラツク台１８を介し昇降可能に支持されたラツク
１７に噛み合つている。なお、ラツク台１８は、
ネジ１９で曳引車８に固定されている。 A central shaft 23 integrated with the arm 21 is supported by the towing wheel 8 via a bearing (not shown), and a gear 20 fixed to the central shaft 23 can be raised and lowered by the towing wheel 8 via a rack stand 18. The rack 17 is supported by the rack 17. In addition, the rack stand 18 is
It is fixed to the tow wheel 8 with screws 19.
そして、モーター１１の駆動軸２６により継手
１２を介して回転駆動される円板１３と、同円板
１３に軸１４および軸受２７で枢着されたロツド
１５とから成るクランク機構にて、ロツド１５の
下端に継手１６で枢着されたラツク１７が上下動
せしめられるようになつている。 The rod 15 is rotated by a crank mechanism consisting of a disk 13 that is rotationally driven by the drive shaft 26 of the motor 11 via a joint 12, and a rod 15 that is pivotally connected to the disk 13 by a shaft 14 and a bearing 27. A rack 17 is pivotally connected to the lower end of the rack by a joint 16 and can be moved up and down.
このラツク１７の上下動に伴い、歯車２０を介
してアーム２１が往復回動することにより、フレ
ーム２５に張設された消波膜２４の上下動が行な
われるのである。 As the rack 17 moves up and down, the arm 21 reciprocates via the gear 20, thereby causing the wave-absorbing membrane 24 stretched over the frame 25 to move up and down.
なお、水面における波９の振幅、周期および位
相を検出するセンサ（図示せず）が設けられ、そ
の検出信号によりモーター１１が制御されて、消
波膜２４は波９を打消すようにこれと逆位相で上
下動せしめられるようになつている。 Note that a sensor (not shown) is provided to detect the amplitude, period, and phase of the wave 9 on the water surface, and the motor 11 is controlled by the detection signal, and the wave-absorbing film 24 is connected to the wave 9 so as to cancel the wave 9. It is designed to be able to move up and down in opposite phases.
曳引車８が模型船７を曳航してその試験が行な
われる際には、消波膜２４はアーム２１を介して
水面から上方へ引上げられており、消波膜２４に
よつて水槽試験に支障をきたすことはない。 When the towing vehicle 8 tows the model ship 7 to perform the test, the wave-absorbing membrane 24 is pulled upward from the water surface via the arm 21, and the wave-absorbing membrane 24 allows the model ship 7 to be towed by the water tank test. It will not cause any trouble.
そして、模型船７の曳航により生じた波９の消
波を行なう際に、消波膜２４は水面に敷設され、
その波９に対する逆位相での上下動によつて、能
率よく且つ迅速に消波作用を行なうことができ
る。 When dissipating the waves 9 generated by towing the model ship 7, the wave dissipating membrane 24 is laid on the water surface,
By moving up and down in a phase opposite to the wave 9, the wave-dissipating action can be performed efficiently and quickly.
曳引車８が走行しながら、消波膜２４による上
述の消波作用を行なう場合は、その走行速度も検
知されて、曳引車８からみた見掛け上の波に対し
て有効に消波できるように、消波膜２４の上下動
の制御が、モーター１１の回転制御やクランク機
構の調整などにより行なわれる。 When the above-mentioned wave-dissipating action by the wave-dissipating membrane 24 is performed while the towing vehicle 8 is traveling, its traveling speed is also detected, and the apparent waves seen from the towing vehicle 8 can be effectively dissipated. As such, the vertical movement of the wave-absorbing film 24 is controlled by controlling the rotation of the motor 11, adjusting the crank mechanism, and the like.
このようにして、消波膜２４の上下動の周期、
振幅および位相の制御が適切に行なわれることに
より、消波作用は的確に行なわれるようになる。 In this way, the period of vertical movement of the wave-dissipating film 24,
By properly controlling the amplitude and phase, the wave-dissipating action can be performed accurately.
したがつて、水槽における模型船等を用いた試
験が、長い時間間隔をあけずに順次能率よく行な
われるようになり、しかも十分な消波が行なわれ
るので、計測精度を向上させる利点があある。 Therefore, tests using model ships, etc. in a water tank can be carried out efficiently one after another without long time intervals, and sufficient wave dissipation is performed, which has the advantage of improving measurement accuracy. .
第１，２図は従来の水槽用消波装置を示すもの
で、第１図はその横断面図（第２図の−矢視
断面図）、第２図はその一部を示す平面図であり、
第３，４図は本考案の一実施例としての水槽用消
波装置を示すもので、第３図はその要部の概略を
示す側面図、第４図は第３図の−矢視線から
みた駆動機構の正面図、第５図は第３図の−
矢視線からみた斜視図である。
１……水槽、７……模型船、８……曳引車、９
……波、１１……モーター、１２……継手、１３
……円板、１４……軸、１５……ロツド、１６…
…継手、１７……ラツク、１８……ラツク台、１
９……ネジ、２０……歯車、２１……アーム、２
２……ストツパー付き関節機構、２３……中心
軸、２４……消波膜、２５……フレーム、２６…
…駆動軸、２７……軸受。
Figures 1 and 2 show a conventional wave dissipating device for an aquarium, with Figure 1 being a cross-sectional view (cross-sectional view taken in the direction of the − arrow in Figure 2), and Figure 2 being a plan view showing a part of it. can be,
Figures 3 and 4 show a wave dissipating device for an aquarium as an embodiment of the present invention. Figure 3 is a side view showing the outline of its main parts, and Figure 4 is taken from the - arrow line in Figure 3. The front view of the drive mechanism, Fig. 5 is the − of Fig. 3.
It is a perspective view seen from the arrow line. 1...Aquarium, 7...Model ship, 8...Tug truck, 9
... Wave, 11 ... Motor, 12 ... Joint, 13
... Disk, 14 ... Axis, 15 ... Rod, 16 ...
...Joint, 17...Rack, 18...Rack stand, 1
9...screw, 20...gear, 21...arm, 2
2... Joint mechanism with stopper, 23... Central shaft, 24... Wave-absorbing membrane, 25... Frame, 26...
...Drive shaft, 27...Bearing.
Claims (1)
引車から引上げ可能に垂下されて上記水槽の水面
へ敷設される消波膜とをそなえ、上記水面の波の
消波を行なうべく上記消波膜を上下動させる駆動
機構が設けられたことを特徴とする、水槽用消波
装置。 In order to dissipate waves on the water surface, it is equipped with a tow truck that can run along the top of the water tank, and a wave-dissipating membrane that is suspended from the tow truck so that it can be pulled up and laid on the water surface of the water tank. A wave-dissipating device for an aquarium, characterized in that a drive mechanism for moving the wave-dissipating membrane up and down is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6629682U JPS58169544U (en) | 1982-05-07 | 1982-05-07 | Wave dissipating device for aquarium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6629682U JPS58169544U (en) | 1982-05-07 | 1982-05-07 | Wave dissipating device for aquarium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58169544U JPS58169544U (en) | 1983-11-12 |
| JPH018985Y2 true JPH018985Y2 (en) | 1989-03-10 |
Family
ID=30076181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6629682U Granted JPS58169544U (en) | 1982-05-07 | 1982-05-07 | Wave dissipating device for aquarium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58169544U (en) |
-
1982
- 1982-05-07 JP JP6629682U patent/JPS58169544U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58169544U (en) | 1983-11-12 |
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