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JP3849666B2 - Aquaculture scallop cleaning equipment - Google Patents
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JP3849666B2 - Aquaculture scallop cleaning equipment - Google Patents

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JP3849666B2
JP3849666B2 JP2003128141A JP2003128141A JP3849666B2 JP 3849666 B2 JP3849666 B2 JP 3849666B2 JP 2003128141 A JP2003128141 A JP 2003128141A JP 2003128141 A JP2003128141 A JP 2003128141A JP 3849666 B2 JP3849666 B2 JP 3849666B2
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drum
spiral blade
machine frame
scallops
driven
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JP2004329083A (en
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龍二 長谷
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道南鉄工株式会社
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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Description

【0001】
【発明が属する技術分野】
本発明は、養殖したホタテ貝を出荷する際に、養殖の期間中にそのホタテ貝の貝殻の表面に付着して生長している他の貝類を、剥離せしめて、出荷するホタテ貝の殻の表面を、他の貝類の付着生物が無いように洗浄する養殖ホタテ貝の洗浄装置に関する。
【0002】
【従来の技術】
ホタテ貝の養殖は、通常、春に産卵させ孵化させた稚貝を養殖篭において中間育成し、次年度の春にこれを引き上げ、養殖篭から稚貝を取り出し、それの殻aの耳に図1にあるようにアゲピンbを取り付け、そのアゲピンbを吊り縄cに多段に並列させて耳吊り連結し、これを海中に図2にあるように吊り下げて育成し、その年の初夏から新貝として収穫し出荷する。新貝として出荷されない貝は、秋期に耳吊りの状態のまま、海上において、船に搭載した洗浄機で、殻の表面に付着し寄生している他の貝類などの付着生物を剥ぎ落とす洗浄を行い、再度海中に垂下して育成し、次年度に古貝として出荷する。
【0003】
本発明において対象とするホタテ貝の洗浄装置は、一年貝を新貝として出荷する際に行う殻の外面に付着している付着生物を剥離除去するための洗浄と古貝(2〜3年貝)を出荷する際に殻の外面に付着している付着生物を剥離除去するための洗浄とに用いる洗浄装置である。
【0004】
この養殖ホタテ貝を出荷する際に、それの殻の外面に付着して生育している他の貝類の付着生物を剥離させるために用いる養殖ホタテ貝の洗浄装置としては、本願の出願人が特開平2001−16217号として出願しているホタテ洗浄装置がある。
【0005】
このホタテ洗浄装置は、図3・図4・図5にあるように、船上または陸上の所望の場所に据え付けて設置し得るよう形成した機枠1に、軸方向に長いドラム状に形成した円筒状のドラム2を、それの軸心線が、一端側に向けて下降する少し傾斜した姿勢として自在に回転するよう機枠1に設けた転輪10に支架し、機枠1の外面側に組み付けておく駆動モータMの出力軸と、伝導輪30および伝動ベルト31を介し伝導して、その駆動モータMの駆動によりドラム2をそれの軸心線を中心に、図4において矢印に示す一方向に回転するようにする。
【0006】
この円筒状のドラム2は、それの軸心線の傾斜下降側の開放口を、ホタテ貝の投入口20として、これに臨む機枠1の前面側(図5において左面側)に、ホタテ貝の供給用のホッパ11を固定装着して、このホッパ11に投入するホタテ貝が円筒状のドラム2の一端側の開放口により形成される投入口20から円筒状のドラム2の内部空間に供給されていくようにする。
【0007】
この円筒状のドラム2は、それの筒壁2aを、ホタテ貝の表面から剥離させる付着生物を漏下させる篩穴22を、多数形設した目抜板状に形成し、その筒壁2aの内面には、ドラム2内部に投入されたホタテ貝を排出口21に搬送させるコンベアとする螺旋翼4を固定装着してく。この螺旋翼4は、円筒状のドラム2が前述の矢印で示した方向に駆動されて回転したときに、この円筒状のドラム2と共に回転することで、投入口20から該円筒状のドラム2の内部空間に投入されるホタテ貝を、円筒状のドラム2の他端側の開口端により形成した排出口21に向けて搬送していく向きに巻かれた形態のものに形成しておく。
【0008】
そして、排出口21の外面側には、そこから、前述の螺旋翼4により搬送されてくるホタテ貝を誘導して排出させる排出樋12を配位して機枠1の後面側に固定装着しておき、また、円筒状のドラム2の内部空間の上部側に寄せた部位には、ポンプの吐出口に接続する散水器5を配位して機枠1に固定支架しておき、これにより、円筒状のドラム2を駆動回転させ、散水器5から洗浄水を供給させている状態において、ホッパ11からホタテ貝を供給することで、そのホタテ貝が円筒状のドラム2の内部において、円筒状のドラム2の回転によって、ドラム2の筒壁2aの内面でせり上げられて落下する動作を繰り返しながら螺旋翼4により排出口21側に送られ、この間においてホタテ貝同志のもみあいによる殻の摺擦によりホタテ貝の殻の表面に付着して生育している付着生物が剥離し、その剥離した付着生物が、洗浄水と共に、円筒状のドラム2の筒壁2aに設けた多数の篩穴22から漏下し、殻の外面から付着生物が剥離して洗浄されたホタテ貝が、排出口21から排出されてくるようにしているものである。
【0009】
【発明が解決しようとする課題】
上述の従前のホタテ貝の洗浄装置は、一年貝の新貝を対象として洗浄すると、その効果が極めて良好で、殻の表面に付着して生育している他の貝類の付着生物の殆どの剥離・除去が行えるようになるが、2〜3年貝の古貝を対象とすると、古貝に付着している付着生物が経年により生長して大きくなっていることと、生長による成熟でホタテ貝の殻に対する付着力が強固になってきていることで、付着生物が剥離しないで残るようになって、洗浄効果が著しく低くなる問題がある。
【0010】
また、ホタテ貝の供給量を増やし、円筒状のドラム2の内部に滞留するホタテ貝の量を多くしてホタテ貝同志の摩擦を大きくすることで、洗浄効果を上げようとすると、ホタテ貝の殻が割れる貝割れが多くなって、歩どまりを悪くする別の問題がでてくる。
【0011】
本発明は、従前手段に生じている上述の問題を解消するためになされたものであって、2〜3年貝の古貝の殻表面に付着している付着生物を剥離せしめる洗浄が、貝割れを生ぜしめすに、効果的に行えるようにする新たな養殖ホタテ貝の洗浄装置を提供することを目的とする。
【0012】
【課題を解決するための手段】
しかして、本発明は、上述に目的を達成するために、種々の試行を重ねて得られた知見に基づいてなされたものである。
【0013】
即ち、上述の筒壁2aの内壁面に螺旋翼4を装設した円筒状のドラム2を用いる養殖ホタテ貝の洗浄手段において、洗浄効果を上げるために、円筒状のドラム2の内部空間に滞留させるホタテ貝の量を増やすと、貝割れを多く発生させるようになるのが、ホタテ貝同志の接触圧が高くなることによることが判ってきたところから、供給する3年貝のホタテ貝の量は増大させずに、ドラム2を、それの筒壁2aが六角または八角となる角筒状に形成して、ドラム2の回転時の筒壁2a内面によるホタテ貝のせり上げを良くし、従前機(現状機)の円筒状のドラム2と対比するテストを行い、その結果を、4人の判定者に、判定基準を、次記の〔a:良く洗浄された〕〔b:少し洗浄された〕〔c:洗浄されなかった〕a〜cの3ランクとして判定させたところ、
【表1】

Figure 0003849666
となり、ドラム2を角筒状に形成して、それの回転によりホタテ貝をせり上げていく効率を良くしても、洗浄効果が得られないことが判った。
【0014】
このことから、ドラム2の内壁面に装着する螺旋翼4の、ドラム内面からの突出高さを、高・中(現状)低に変化させた場合と、ドラム2を、投入口20の側から排出口21に向けて昇り勾配として機枠1に支架する傾斜角度を、高角度と現状角度と低角度とに変化させた場合と、ドラム2の回転速度を、高・中(現状)・低とに変化させた場合とについての実験を行い、その結果を、前述と同様に4人の判定者に判定させたところ、その結果は、次の表2・表3・表4にある通りで、すべての場合において、洗浄効果が、現状のものと変わらず、効果をあげ得ないものとなり、螺旋翼4の送り作動は、ホタテ貝の洗浄に殆ど関与しないことが判ってきた。
【表2】
Figure 0003849666
【表3】
Figure 0003849666
【表4】
Figure 0003849666
【0015】
そこで、現状の従前機をベースにして改善する発想を転換して、円筒状のドラム2とそれの内周側に設ける螺旋翼4とを、別体に形成して、それぞれが独立して回転するように機枠1に軸支し、かつ、それぞれが正転・逆転の何れの方向にも駆動回転し得るようにしておき、3年貝の古貝を対象として螺旋翼4を、ホタテ貝を排出口21に向け搬送する搬送方向に回転させた状態において、ドラム2を螺旋翼4の回転方向と逆方向に回転させた場合と、螺旋翼4を速く回転させ、ドラム2を遅く回転させた場合と、螺旋翼4の回転速度を遅くし、ドラム2の回転速度を速くした場合とについて実験を行い、その結果を同様に4人の判定者に判定させたところ、次記の表5・表6・表7に示す結果となった。
【表5】
Figure 0003849666
【表6】
Figure 0003849666
【表7】
Figure 0003849666
【0016】
この実験の結果から、螺旋翼4は、ホタテ貝の殻の表面の付着生物を剥離除去する洗浄作用には殆ど関与せず、洗浄作用は、ホタテ貝がドラム2の回転に伴い、回転方向にせり上げられて落下してくるときのホタテ貝同志の殻の摺擦により行われていること、そして、このせり上げと落下との作用を多く受けるほど、洗浄効果が上がり、螺旋翼4の回転を遅くして送りを緩やかにしてドラム2による攪拌を多く受けるようにしたときには、充分な洗浄が得られることが判ってきた。
【0017】
そして、このことから、本発明手段においては、上述の目的を達成するための手段として、請求項1に記載したように、機枠1に、筒壁2aに多数の篩穴22…を開設したドラム2を、横倒しの姿勢として回転自在に軸支し、そのドラム2の内部空間内に、帯板をリボンスクリュー状に成形し、回転軸40から放射状に突出するステー41…に支持せしめた螺旋翼4を、配位して、それの回転軸40の軸端部を機枠1に設けた軸受部材14に支架して機枠1に回転自在に軸支し、ドラム2と螺旋翼4とを、駆動手段Uにより各別に、かつ、ドラム2が螺旋翼4より早い回転速度で回転するように駆動することを特徴とする養殖ホタテ貝の洗浄装置を提起するものである。
【0018】
そして、これに併せて、ドラム2およびそれの内部空間に配位する螺旋翼4を略水平な姿勢として機枠1に軸架して、その螺旋翼4をそれの回転によりドラム2内のホタテ貝を投入口20側から排出口21側に移送する正回転の方向に、ドラム2の回転速度より遅い回転速度で駆動回転せしめ、ドラム2を螺旋翼4の回転速度より早い回転速度で駆動回転させることを特徴とする請求項1記載の養殖ホタテ貝の洗浄装置と、
ドラム2およびそれの内部空間に配位する螺旋翼4を、略水平な姿勢として機枠1に軸して、その螺旋翼4をそれの回転によりドラム2内のホタテ貝を投入口20側から排出口21側に移送する正回転の方向にドラム2の回転速度より遅い回転速度で駆動回転せしめ、ドラム2を、螺旋翼4の回転方向と方向に螺旋翼4の回転速度より早い回転速度で駆動回転させることを特徴とする請求項1記載の養殖のホタテ貝の洗浄装置と、
ドラム2の内部空間に配位して機枠1に軸架する螺旋翼4を、それの外径がドラム2の筒壁2aの内径寸法より僅かに小径となる寸法に設定して、螺旋翼4の外周面がドラム2の内周面との間にホタテ貝の殻の厚さより狭い間隔を形成してドラム2の内周面と対向するようにすることを特徴とする請求項1記載の養殖ホタテ貝の洗浄装置と、
ドラム2の一端側の外周面に、チエン24を巻き付けて装着し、これと噛み合うスプロケット25を機枠1に軸支し、そのスプロケット25を駆動手段Uにより駆動して、ドラム2を駆動せしめることを特徴とする請求項1記載の養殖ホタテ貝の洗浄装置とを提起するものである。
【0019】
【発明の実施の形態】
次に本発明の実施の態様を、図面に随い実施例について詳述する。
図6は、本発明手段を実施せる養殖ホタテ貝の洗浄装置Aの側面図、図7は同上の平面図、図8は同上の縦断側面図で、これら図において、1は機枠、2はこれに横架軸支した円筒状のドラム、4はこのドラム2の内部空間内に配位して機枠1に軸支した螺旋翼、Uはドラム2および螺旋翼4を駆動回転させる駆動手段、5はドラム2内に配設した散水器を示している。
【0020】
機枠1は、船上、または陸上の所望の場所に据え付け得る適宜の形状に組み立てる。
【0021】
図示する実施例にあっては、台枠状に組み立てて、左右の両側面と上面とに、機壁を組み付けて、前後の両面の下半側と下面側が開放する箱状に組み立ててあって、かつ、該機枠1の前後の底部には、この機枠1の内部に横架軸支する円筒状のドラム2の傾斜角度を調節するために、下方への突出長さの調節を自在にした脚注13…が装設してあり、また、該機枠1の前面側(図において左面側)には、洗浄するホタテ貝を供給するホッパ11を装設し、後面側には、洗浄し終えたホタテ貝を取り出す排出樋12を装設している。
【0022】
ドラム2は、軸方向に長い筒状に形成してあればよく、多角筒状・円筒状等の適宜の形状の筒状に形成してよいが、図示する実施例においては、鋼板よりなるリング状のフランジ23を、軸方向に多連に並列して、これらの内周側に、ホタテ貝の殻外面から剥落させた付着生物を篩い落とす多数の篩穴22…を開設した鋼板よりなる筒壁2aを、円筒状に成形して嵌挿し、そのフランジ23…に熔接してそれに補強させることで、円筒状に形成してあり、それの軸方向の両端部の外周には、リング状のガイドレールを設けて、これを、機枠1に軸支しておく転輪10…に支架せしめることで、機枠1に対し軸線方向が横方向となる横倒しの姿勢として回転自在に軸架してある。
【0023】
このドラム2は、軸方向の長さが約1300ミリで、内径は約600ミリであり胴周壁の筒壁2aに開設した多数の篩穴22…の口径は約65ミリである。
【0024】
このドラム2の内周側に配設せる螺旋翼4は、鋼板よりなる巾が約100ミリの帯板を、図9にあるように、略300ミリのピッチでリボンスクリュー状に螺旋に巻き、それの軸心線を通る回転軸40から、軸方向に所定の間隔をおいて放射方向に突出させたステー41…の各先端に、螺旋翼4の内周縁を熔接することで組み立て、その回転軸40の前後の前端部を、機枠1の前面側および後面側で、前述のドラム2の軸心線と対応する部位に設けた軸受部材14・14に軸支することで、ドラム2の内部空間において回転軸40中心に回動するよう機枠1に軸支してある。
【0025】
この螺旋翼4は、それの外周面と前述のドラム2の筒壁2aの内周面との間に、洗浄するホタテ貝の殻が噛み込んで貝割れを生ぜしめることがないようにするため、それの外周面とドラム2の筒壁2aの内周面との間の間隔がホタテ貝の殻の厚さより狭くなるように、それの外径寸法をドラム2の内径寸法よりも僅かに小径となるよう設定している。この寸法は、実施例では、596ミリとして、内径が600ミリのドラム2の内周面との間に2ミリ程度の間隙が形成されるようにしている。
【0026】
機枠1に装架した駆動手段Uは、上述した如く、それぞれを別体に形成したドラム2と螺旋翼4とを、それぞれ独立して回転させるよう駆動させるためのもので、電動モータ、エンジン等の適宜の動力源を用いてよいが、この実施例においては、機枠1の上面側に、エンジン60とそれにより作動する油圧ポンプ61と、その油圧ポンプ61から吐出して図10の油圧回路図に示す回路を経てタンクTに戻る油の圧力により作動する油圧モータ62・63と、油圧回路を制御する制御弁64とで構成している。
【0027】
そして、螺旋翼4にあっては、それの回転軸40の一端側に、油圧モータ63を直装して、直結的に油圧モータ63により駆動するようにし、ドラム2にあっては、それの一端側の外周に、チエン24を巻き付け、これに噛み合うスプロケット25を、機枠1に軸支しておいて、そのスプロケット25の軸に、別に油圧回路に接続させておく油圧モータ62の出力軸を伝動機構を介し伝導することで駆動するようにしている。
【0028】
この螺旋翼4およびドラム2の駆動は、電源が近くに求められる場合にあっては、電動モータを用いて行ってよく、また、油圧により駆動させる場合にあっても、据え付ける養殖ホタテ貝の洗浄装置Aの近くに、油圧装置が有る場合にあっては、その油圧装置の油圧回路から導く圧油により駆動するようにしてよい。
【0029】
しかして、この螺旋翼4とドラム2とを駆動手段Uによりそれぞれ別個に駆動するのは、養殖ホタテ貝の殻の表面に付着して生長した付着生物を剥落させる作用が、ドラム2の回転によりホタテ貝をせり上げて落下させることによるホタテ貝同志の摺擦の作動によって行われ、螺旋翼4による送り作動は洗浄に関与せずむしろ貝割れを生ぜしめる要因となっていることから、螺旋翼4の回転は抑え、ドラム2の回転を増大させるためであるから、螺旋翼4の回転速度に対しドラム2は速く回転するようにする。
【0030】
図示する実施例の装置においては、螺旋翼4の回転速度は毎分13回(13r.p.m)でドラム2の回転速度は毎分64回(64r.p.m)であり、ドラム2は螺旋翼4の略5倍の速度で回転するようにしている。
【0031】
このときの螺旋翼4およびドラム2の回転方向は、正・逆何れの方向に回転させてもよい。
【0032】
ドラム2をそれの軸心線が、投入口20の側から排出口21側に向け下降傾斜する姿勢として機枠1に支架して、投入口20からドラム2内に投入したホタテ貝が、ドラム2の回転により自然に排出口21側に流動していくようにしておいて、螺旋翼4を排出口21側から投入口20側にホタテ貝を移送していくように逆回転させ、ドラム2を正・逆の何れかの方向に回転させる場合。
【0033】
また、ドラム2は、それの軸心線が投入口20側から排出口21に向け上昇傾斜する姿勢として機枠1に支架して、ドラム2内に投入したホタテ貝がドラム2の回転により投入口20側に戻るように流動していくようにしておいて、螺旋翼4を投入口20側から排出口21側に向けホタテ貝を移送していくように正回転させ、ドラム2を螺旋翼4と同方向の正回転、または逆方向の逆回転の何れかの方向に回転させる場合。
【0034】
また、ドラム2は、それの軸心線が略水平になる姿勢として機枠1に支架して、ドラム2内に投入したホタテ貝が、ドラム2の回転による軸方向の流動がなくその場においてせり上がりと落下を繰り返すようにしておいて、螺旋翼4を投入口20側から排出口21側に向けホタテ貝を移送していくように正回転させ、ドラム2を螺旋翼4と同方向の正回転、または逆方向の逆回転の何れかの方向に回転させる場合、のように適宜に選択してよい。
【0035】
しかし、上述の各場合において、ドラム2の回転方向は、螺旋翼4の回転方向に対し逆にしたときに、貝割れの発生を多くすることから、螺旋翼4の回転方向と同じ方向にすることが望ましい。
【0036】
散水器5は、ドラム2内に投入したホタテ貝の洗浄作動の際に、ホタテ貝の殻の表面から剥落した付着生物およびそれの破砕片を、洗い落としてドラム2の筒壁2aに開設した篩穴22…からドラム2の下方に流し出す洗浄水を供給するためのもので、ドラム2内の略全域に洗浄水が供給されるようになればよく適宜に構成してよい。
【0037】
この実施例においては、一端側がポンプPの吐出口に接続連通するパイプ50を、ドラム2の外周で、機枠1の内部空間における左右の肩部に位置する部位に、機枠1内を前後に貫通するようにそれぞれ配設し、そのパイプ50の周壁に、ドラム2の外周の上面側に向けて洗浄水を噴射する透孔51…を、そのパイプ50の軸方向に適宜の間隔をおいて多連に開設することで構成してあり、これにより、ポンプPからパイプ50内に導かれる洗浄水が透孔51…からドラム2の外周面に向けて噴射されて、ドラム2の筒壁2aに開設してある篩穴22…を介してドラム2内に流入し、ドラム2内の略全域に供給されて、篩穴22からドラム2の下方に流出していくようにしている。
【0038】
そして、洗浄水を供給するポンプPには、この例においては、毎分120立の出水能力のものが使用されている。
【0039】
【発明の効果】
以上説明したように、本発明手段は、ドラム2とそれの内周側に配設する螺旋翼4とを別体に形成して、ドラム2は速く回転させ、螺旋翼4は遅く回転させるようにして、ドラム2内に供給したホタテ貝が、ドラム2の回転によるせり上げと落下の作動を多く受けるようにしているのだから、古貝を貝割れを生ぜしめずに、それの殻の外面に付着して生長した付着生物を効果的に剥落除去せしめ得るようになる。
【図面の簡単な説明】
【図1】養殖したホタテ貝の稚貝を吊縄に耳吊りする説明図である。
【図2】取吊りしたホタテ貝を海中に設置した垂下式養殖施設に吊り下げた状態の説明図である。
【図3】従前の養殖ホタテ貝の洗浄装置の縦断側面図である。
【図4】同上の縦断正面図である。
【図5】同上の縦断後面図である。
【図6】本発明手段を実施せる養殖ホタテ貝の一部破断した側面図である。
【図7】同上の平面図である。
【図8】同上の一部破断した後面図である。
【図9】同上の螺旋翼の斜視図である。
【図10】駆動手段の油圧回路の展開図である。
【符号の説明】
A…洗浄装置、P…ポンプ、U…駆動手段、M…駆動モータ、a…殻、b…アゲピン、c…吊り縄、1…機枠、10…転輪、11…ホッパ、12…排出樋、13…脚注、14…軸受部材、2…ドラム、2a…筒壁、20…投入口、21…排出口、22…篩穴、23…フランジ、24…チエン、25…スプロケット、30…伝導輪、31…伝動ベルト、4…螺旋翼、40…回転軸、41…ステー、5…散水器、50…パイプ、51…透孔、60…エンジン、61…油圧ポンプ、62・63…油圧モータ、64…制御弁。[0001]
[Technical field to which the invention belongs]
In the present invention, when the cultured scallops are shipped, other shells that adhere to the surface of the shells of the scallop shells during the cultivation period are peeled off and shipped. The present invention relates to a cultured scallop cleaning apparatus that cleans the surface so that there are no other shellfish adhering organisms.
[0002]
[Prior art]
Scallops are usually cultivated by laying and hatching larvae that have been spawned and hatched in the spring in the middle of the cultivating basin, then pulling them up in the spring of the following fiscal year, taking out the larvae from the cultivating cage, and showing them in the ears of the shell a. As shown in Fig. 1, the age pin b is attached, and the age pin b is connected to the hanging rope c in parallel with the hanging rope c so that the ear pin is connected and suspended in the sea as shown in Fig. 2. Harvest and ship as Shells that are not shipped as new shellfish are suspended from the ears in the fall, and are washed off the surface using a washing machine installed on the ship to strip off the attached organisms such as other shellfish that are attached to the surface of the shell and parasitized. Then, hang it again in the sea and nurture it, and ship it as an old shellfish in the next year.
[0003]
The apparatus for cleaning scallops targeted in the present invention is a cleaning and old shellfish (2-3 year shellfish for peeling off and removing attached organisms attached to the outer surface of the shell when the annual shellfish are shipped as a new shellfish. ) Is a cleaning apparatus used for cleaning for peeling off and removing attached organisms attached to the outer surface of the shell.
[0004]
When shipping the cultured scallops, the applicant of the present application is a cleaning device for cultured scallops used to peel off the attached organisms of other shellfish that are attached to the outer surface of the shell. There is a scallop cleaning device that has been filed as Kaihei 2001-16217.
[0005]
As shown in FIGS. 3, 4, and 5, this scallop cleaning device is a cylinder formed in a long drum shape in the axial direction on a machine frame 1 formed so as to be installed and installed on a ship or on the land. The drum 2 is supported on a wheel 10 provided on the machine frame 1 so that the axis of the drum 2 rotates freely in a slightly inclined posture in which the axis of the drum 2 is lowered toward one end side. The drum 2 is conducted through the output shaft of the drive motor M to be assembled, the transmission wheel 30 and the transmission belt 31 and driven by the drive motor M, with the axis centered on the drum 2 as indicated by an arrow in FIG. Rotate in the direction.
[0006]
The cylindrical drum 2 has a scallop shell on the front side (the left side in FIG. 5) of the machine frame 1 facing the slot 20 as an opening 20 for the scallop shell. The hopper 11 for supplying the scallop is fixedly mounted, and the scallops to be fed into the hopper 11 are fed into the inner space of the cylindrical drum 2 from the inlet 20 formed by the opening at one end of the cylindrical drum 2. To be done.
[0007]
The cylindrical drum 2 has a cylindrical wall 2a having a sieve plate 22 having a plurality of sieve holes 22 for leaking attached organisms that peel off the surface of the scallop shell. On the inner surface, a spiral blade 4 serving as a conveyor for transporting scallops introduced into the drum 2 to the discharge port 21 is fixedly mounted. The spiral blade 4 is rotated together with the cylindrical drum 2 when the cylindrical drum 2 is driven and rotated in the direction indicated by the arrow, so that the cylindrical drum 2 is fed from the inlet 20. The scallop shell that is put into the inner space of the cylindrical drum 2 is formed in such a form that it is wound so as to be conveyed toward the discharge port 21 formed by the opening end on the other end side of the cylindrical drum 2.
[0008]
Then, on the outer surface side of the discharge port 21, a discharge rod 12 that guides and discharges the scallops conveyed by the above-described spiral blade 4 is arranged and fixedly attached to the rear surface side of the machine frame 1. In addition, a sprinkler 5 connected to the discharge port of the pump is arranged at a position close to the upper side of the inner space of the cylindrical drum 2 and fixedly supported on the machine frame 1. In the state where the cylindrical drum 2 is driven and rotated and the washing water is supplied from the water sprinkler 5, the scallop is supplied from the hopper 11, so that the scallop is cylindrical inside the cylindrical drum 2. As the drum 2 rotates, it is sent to the discharge port 21 side by the spiral blade 4 while being repeatedly raised and dropped on the inner surface of the cylindrical wall 2a of the drum 2, and during this time the shell is slid by the scallops Rub scallop shell The attached organisms growing on the surface peel off, and the peeled attached organisms leak together with the washing water from the numerous sieve holes 22 provided in the cylindrical wall 2a of the cylindrical drum 2, and the shell The scallops from which the attached organisms have been peeled off and washed from the outer surface are discharged from the discharge port 21.
[0009]
[Problems to be solved by the invention]
The above-mentioned conventional scallop cleaning device is very effective when cleaning new year shellfish, and most of the attached organisms of other shellfish growing on the surface of the shell are peeled off.・ Although it can be removed, when targeting old shellfish of shellfish for 2-3 years, scallops grow due to the growth of the attached organisms attached to the old shellfish over time, and mature as a result of growth. As the adhesion to the shell of the shell becomes stronger, there is a problem that the attached organisms remain without being peeled off, and the cleaning effect is remarkably lowered.
[0010]
In addition, increasing the supply of scallops and increasing the amount of scallops staying inside the cylindrical drum 2 to increase the friction between the scallops will increase the cleaning effect. The shell cracking increases, and another problem that worsens the yield appears.
[0011]
The present invention has been made in order to solve the above-mentioned problems occurring in conventional means, and cleaning for peeling off attached organisms adhering to the shells of old shells of shellfish for 2 to 3 years It is an object of the present invention to provide a new cultured scallop cleaning device that can be effectively used for cracking.
[0012]
[Means for Solving the Problems]
Thus, the present invention has been made on the basis of knowledge obtained through various trials in order to achieve the object described above.
[0013]
That is, in the culture scallop cleaning means using the cylindrical drum 2 in which the spiral wings 4 are installed on the inner wall surface of the cylindrical wall 2a, the cylindrical scallop 2 stays in the internal space of the cylindrical drum 2 in order to increase the cleaning effect. As the amount of scallops to increase increases the amount of shell cracking, it has been found that the contact pressure between the scallops increases. The drum 2 is formed in a rectangular tube shape with a cylindrical wall 2a of hexagonal or octagonal so that the scallop is raised by the inner surface of the cylindrical wall 2a when the drum 2 is rotated. The test was compared with the cylindrical drum 2 of the machine (current machine), and the results were given to four judges, and the criteria for judgment were as follows: [a: well washed] [b: slightly washed [C: not cleaned] It was allowed to,
[Table 1]
Figure 0003849666
Thus, it has been found that even if the drum 2 is formed in a rectangular tube shape and the efficiency of raising the scallop by rotating it is improved, the cleaning effect cannot be obtained.
[0014]
From this, when the protrusion height from the drum inner surface of the spiral blade 4 attached to the inner wall surface of the drum 2 is changed to high / medium (current) low, the drum 2 is moved from the inlet 20 side. When the inclination angle supported on the machine frame 1 as an upward gradient toward the discharge port 21 is changed to a high angle, a current angle, and a low angle, and the rotation speed of the drum 2 is set to high, medium (current), and low When the experiment was carried out for the case where the change was made and the results were allowed to be judged by four judges as described above, the results were as shown in the following Table 2, Table 3, and Table 4. In all cases, it has been found that the cleaning effect is not different from the present one and the effect cannot be achieved, and the feeding operation of the spiral blade 4 is hardly involved in the cleaning of the scallops.
[Table 2]
Figure 0003849666
[Table 3]
Figure 0003849666
[Table 4]
Figure 0003849666
[0015]
Therefore, the idea of improvement based on the current conventional machine was changed, and the cylindrical drum 2 and the spiral blade 4 provided on the inner peripheral side thereof were formed separately, and each independently rotated. In this way, it is pivotally supported on the machine frame 1 so that each can be driven to rotate in either the forward or reverse direction, and the spiral wing 4 is used for a three-year-old shellfish as an object. When the drum 2 is rotated in the direction opposite to the direction of rotation of the spiral blade 4 while the drum 2 is rotated in the transport direction for transporting the toner toward the discharge port 21, the spiral blade 4 is rotated fast and the drum 2 is rotated slowly. In the case where the rotational speed of the spiral blade 4 was decreased and the rotational speed of the drum 2 was increased, the experiment was performed by four judges in the same manner. -The results shown in Tables 6 and 7 were obtained.
[Table 5]
Figure 0003849666
[Table 6]
Figure 0003849666
[Table 7]
Figure 0003849666
[0016]
From the results of this experiment, the spiral wing 4 hardly participates in the cleaning action for peeling off and removing attached organisms on the surface of the shell of the scallop shell, and the cleaning action is performed in the rotating direction as the scallop shell rotates. What is being done by rubbing the shells of the scallops when they are lifted and dropped, and the more the effect of this lifting and falling, the more the cleaning effect is improved and the rotation of the spiral blade 4 It has been found that sufficient washing can be obtained when the feed is slowed down and the agitation by the drum 2 is increased.
[0017]
And from this, in the means of the present invention, as means for achieving the above-mentioned object, as described in claim 1, a large number of sieve holes 22 ... are opened in the cylinder wall 2a in the machine frame 1. The drum 2 is rotatably supported as a sideways posture, a band plate is formed in a ribbon screw shape in the internal space of the drum 2, and the spiral is supported by stays 41 that protrude radially from the rotary shaft 40. The blade 4 is coordinated, the shaft end portion of the rotating shaft 40 is supported on the bearing member 14 provided on the machine frame 1, and is rotatably supported on the machine frame 1. and each another by a drive means U, and drum 2 is to raise the cleaning apparatus aquaculture scallops and drives to rotate at a faster speed than the spiral blade 4.
[0018]
Then, in addition to this, the drum 2 and the coordinated spiral blade 4 in the interior space of it, and Jikuka the machine frame 1 a substantially horizontal position, the spiral blade 4, the drum 2 by its rotation the scallops in the normal rotation direction of the transfer to the discharge port 21 side from the inlet 20 side, driven to rotate at a slower than the rotational speed of the drum 2 rotating speed, the drum 2 at a faster rotational speed than the rotational speed of the spiral blade 4 The apparatus for cleaning cultured scallops according to claim 1, wherein the apparatus is driven to rotate,
The drum 2 and coordinated spiral blade 4 in its internal space, substantially in the axial rack on the machine frame 1 as horizontal position, the spiral blade 4, inlet scallops in the drum 2 by its rotation 20 The drum 2 is driven and rotated at a rotation speed slower than the rotation speed of the drum 2 in the forward rotation direction transferred from the side to the discharge port 21 side, and the drum 2 is faster than the rotation speed of the spiral blade 4 in the same direction as the rotation direction of the spiral blade 4. The apparatus for cleaning cultured scallops according to claim 1, wherein the apparatus is driven to rotate at a rotational speed,
The spiral blade 4 arranged in the inner space of the drum 2 and pivotally mounted on the machine frame 1 is set to a dimension in which the outer diameter is slightly smaller than the inner diameter dimension of the cylindrical wall 2a of the drum 2. 2. The outer peripheral surface of the drum 2 is formed with a space narrower than the thickness of the shell of the scallop shell between the outer peripheral surface of the drum 2 and opposed to the inner peripheral surface of the drum 2. A cleaning device for cultured scallops,
A chain 24 is wound around and attached to the outer peripheral surface of one end of the drum 2, and a sprocket 25 meshing with the chain 24 is pivotally supported on the machine frame 1, and the sprocket 25 is driven by the driving means U to drive the drum 2. The apparatus for cleaning a cultured scallop according to claim 1 is provided.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 6 is a side view of a cultured scallop cleaning apparatus A for carrying out the means of the present invention, FIG. 7 is a plan view of the same, and FIG. 8 is a vertical side view of the same. A cylindrical drum 4 that is horizontally supported by the shaft 4 is a spiral blade that is arranged in the internal space of the drum 2 and is pivotally supported by the machine frame 1, and U is a driving means that drives and rotates the drum 2 and the spiral blade 4. Reference numeral 5 denotes a watering device disposed in the drum 2.
[0020]
The machine casing 1 is assembled into an appropriate shape that can be installed on a ship or on a desired place on land.
[0021]
In the embodiment shown in the figure, it is assembled in a frame shape, assembled into a box shape in which the machine wall is assembled to the left and right side surfaces and the upper surface, and the lower half side and the lower surface side of both front and rear surfaces are opened. In addition, at the bottom of the machine frame 1 at the front and back, the downward projecting length can be freely adjusted in order to adjust the inclination angle of the cylindrical drum 2 that is horizontally supported in the machine frame 1. A footnote 13 is provided, and a hopper 11 for supplying scallops to be cleaned is installed on the front side (the left side in the figure) of the machine frame 1 and the rear side is cleaned. A discharge tub 12 is provided to take out the scallops that have been finished.
[0022]
The drum 2 only needs to be formed in a cylindrical shape that is long in the axial direction, and may be formed in a cylindrical shape having an appropriate shape such as a polygonal cylindrical shape or a cylindrical shape. In the illustrated embodiment, the drum 2 is a ring made of a steel plate. A cylinder made of a steel plate in which a plurality of cylindrical flanges 23 are arranged in parallel in the axial direction, and a large number of sieve holes 22 are formed on the inner peripheral side thereof to screen off attached organisms peeled off from the outer surface of the scallop shell. The wall 2a is formed in a cylindrical shape, inserted, welded to the flange 23, and reinforced to the cylindrical shape, and formed into a cylindrical shape. By providing a guide rail and supporting it on a rolling wheel 10 that is pivotally supported on the machine frame 1, the guide rail is pivotally supported as a sideways posture in which the axial direction is transverse to the machine frame 1. It is.
[0023]
The drum 2 has an axial length of about 1300 mm, an inner diameter of about 600 mm, and a diameter of a large number of sieve holes 22 formed in the cylindrical wall 2a of the body peripheral wall is about 65 mm.
[0024]
The spiral blade 4 disposed on the inner peripheral side of the drum 2 is formed by winding a strip made of a steel plate having a width of about 100 mm in a spiral form in a ribbon screw shape at a pitch of about 300 mm, as shown in FIG. It is assembled by welding the inner peripheral edge of the spiral blade 4 to the tips of stays 41... Projecting radially from the rotating shaft 40 passing through the axis of the shaft at a predetermined interval in the axial direction. By supporting the front end portions of the front and rear of the shaft 40 on the front and rear surfaces of the machine frame 1 on bearing members 14 and 14 provided at portions corresponding to the axis of the drum 2 described above, It is pivotally supported on the machine frame 1 so as to rotate about the rotation shaft 40 in the internal space.
[0025]
In order to prevent the shell of the scallop to be washed from biting between the outer peripheral surface of the spiral blade 4 and the inner peripheral surface of the cylindrical wall 2a of the drum 2, the spiral blade 4 is prevented from cracking. The outer diameter of the drum 2 is slightly smaller than the inner diameter of the drum 2 so that the distance between the outer circumference and the inner circumference of the cylindrical wall 2a of the drum 2 is smaller than the thickness of the shell of the scallop shell. Is set to be. In this embodiment, this dimension is 596 mm, and a gap of about 2 mm is formed between the inner peripheral surface of the drum 2 having an inner diameter of 600 mm.
[0026]
As described above, the driving means U mounted on the machine frame 1 is for driving the drum 2 and the spiral blade 4 which are separately formed to rotate independently of each other. However, in this embodiment, the engine 60, the hydraulic pump 61 operated by the engine 60, and the hydraulic pump 61 discharged from the hydraulic pump 61 are discharged on the upper surface side of the machine frame 1 in this embodiment. The hydraulic motors 62 and 63 are operated by the pressure of the oil returning to the tank T through the circuit shown in the circuit diagram, and the control valve 64 controls the hydraulic circuit.
[0027]
In the spiral blade 4, a hydraulic motor 63 is directly mounted on one end side of the rotating shaft 40 of the spiral blade 4 so as to be directly driven by the hydraulic motor 63, and in the drum 2, An output shaft of a hydraulic motor 62 in which a chain 24 is wound around the outer periphery on one end side and a sprocket 25 meshing with the chain 24 is pivotally supported on the machine frame 1 and separately connected to the shaft of the sprocket 25 to a hydraulic circuit. Is driven by conduction through a transmission mechanism.
[0028]
The spiral blade 4 and the drum 2 may be driven by using an electric motor when a power source is required nearby, and even when driven by hydraulic pressure, the cultured cultured scallops are washed. If there is a hydraulic device near the device A, the hydraulic device may be driven by pressure oil derived from the hydraulic circuit of the hydraulic device.
[0029]
Thus, the spiral wing 4 and the drum 2 are separately driven by the drive means U because the action of peeling off the attached organism that has grown on the surface of the cultured scallop shell is caused by the rotation of the drum 2. Since the scallops are lifted and dropped by the sliding action of the scallops, the feed operation by the spiral blade 4 is not involved in cleaning but rather causes cracking of the shell. This is to suppress the rotation of 4 and increase the rotation of the drum 2, so that the drum 2 rotates faster than the rotational speed of the spiral blade 4.
[0030]
In the apparatus of the illustrated embodiment, the rotational speed of the spiral blade 4 is 13 times per minute (13 r.p.m) and the rotational speed of the drum 2 is 64 times per minute (64 r.p.m). Rotates at a speed approximately five times that of the spiral blade 4.
[0031]
At this time, the rotational direction of the spiral blade 4 and the drum 2 may be rotated in either the forward or reverse direction.
[0032]
The drum 2 is supported on the machine frame 1 so that its axis is inclined downward from the inlet 20 side toward the outlet 21, and scallops introduced into the drum 2 from the inlet 20 are drums. The spiral blade 4 is rotated in the reverse direction so as to transfer the scallops from the discharge port 21 side to the input port 20 side so that it naturally flows toward the discharge port 21 side by the rotation of the drum 2. When rotating in the forward or reverse direction.
[0033]
Further, the drum 2 is supported on the machine frame 1 so that the axis of the drum 2 is inclined upward from the inlet 20 toward the outlet 21, and the scallops thrown into the drum 2 are thrown in by the rotation of the drum 2. The spiral blade 4 is rotated forward so that the scallops are transferred from the inlet 20 side toward the outlet 21 side while the fluid flows back to the mouth 20 side, and the drum 2 is moved to the spiral blade. When rotating in either the forward rotation in the same direction as 4 or the reverse rotation in the reverse direction.
[0034]
Further, the drum 2 is supported on the machine frame 1 in such a posture that its axial center line becomes substantially horizontal, and the scallop shell put into the drum 2 is not in the axial direction due to the rotation of the drum 2 and is in the place. Repeating the rising and falling, the spiral blade 4 is rotated forward so that the scallop is transferred from the inlet 20 side toward the outlet 21 side, and the drum 2 is moved in the same direction as the spiral blade 4. When rotating in either the forward rotation or the reverse rotation in the reverse direction, it may be selected appropriately as follows.
[0035]
However, in each of the above-described cases, the rotation direction of the drum 2 is increased in the same direction as the rotation direction of the spiral blade 4 because the generation of shell cracks increases when the rotation direction of the drum 2 is reversed. It is desirable.
[0036]
The sprinkler 5 is a sieve that is opened on the cylindrical wall 2a of the drum 2 by washing away adhering organisms and fragments thereof that have been peeled off from the surface of the shell of the scallop shell during the washing operation of the scallop shell put into the drum 2. The cleaning water is supplied to the lower part of the drum 2 from the holes 22. The cleaning water may be supplied to substantially the entire area of the drum 2 and may be appropriately configured.
[0037]
In this embodiment, the pipe 50 whose one end side is connected to the discharge port of the pump P is located on the outer periphery of the drum 2 at a position located on the left and right shoulders in the inner space of the machine frame 1. The through holes 51 for injecting the cleaning water toward the upper surface of the outer periphery of the drum 2 are arranged at appropriate intervals in the axial direction of the pipe 50. The washing water guided from the pump P into the pipe 50 is jetted from the through holes 51 toward the outer peripheral surface of the drum 2 so that the cylindrical wall of the drum 2 is formed. It flows into the drum 2 through the sieve holes 22 provided in 2a, is supplied to substantially the entire area of the drum 2, and flows out of the drum 2 from the sieve holes 22.
[0038]
And in this example, the pump P which supplies the wash water has a capacity of 120 standing water per minute.
[0039]
【The invention's effect】
As described above, the means of the present invention forms the drum 2 and the spiral blade 4 disposed on the inner periphery thereof separately so that the drum 2 rotates fast and the spiral blade 4 rotates slowly. Since the scallops supplied in the drum 2 are subjected to many operations of raising and falling due to the rotation of the drum 2, the outer surface of the shell of the old shell is not caused to crack. It is possible to effectively peel off and remove attached organisms that have adhered to and grown.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view of cultivating scallop larvae that are cultivated on a hanging rope.
FIG. 2 is an explanatory view showing a state in which a suspended scallop is suspended in a hanging culture facility installed in the sea.
FIG. 3 is a longitudinal side view of a conventional cultured scallop cleaning apparatus.
FIG. 4 is a longitudinal front view of the above.
FIG. 5 is a longitudinal rear view of the above.
FIG. 6 is a partially cutaway side view of a cultured scallop that implements the means of the present invention.
FIG. 7 is a plan view of the same.
FIG. 8 is a rear view partially broken away.
FIG. 9 is a perspective view of the above spiral wing.
FIG. 10 is a development view of a hydraulic circuit of a driving unit.
[Explanation of symbols]
A ... Cleaning device, P ... Pump, U ... Driving means, M ... Drive motor, a ... Shell, b ... Agepin, c ... Hanging rope, 1 ... Machine frame, 10 ... Rolling wheel, 11 ... Hopper, 12 ... Discharge rod , 13 ... footnote, 14 ... bearing member, 2 ... drum, 2a ... cylindrical wall, 20 ... inlet, 21 ... outlet, 22 ... sieve hole, 23 ... flange, 24 ... chain, 25 ... sprocket, 30 ... conduction wheel 31 ... Transmission belt, 4 ... Spiral blade, 40 ... Rotating shaft, 41 ... Stay, 5 ... Sprinkler, 50 ... Pipe, 51 ... Through-hole, 60 ... Engine, 61 ... Hydraulic pump, 62/63 ... Hydraulic motor, 64: Control valve.

Claims (5)

機枠1に、筒壁2aに多数の篩穴22…を開設したドラム2を、横倒しの姿勢として回転自在に軸支し、そのドラム2の内部空間内に、帯板をリボンスクリュー状に成形し、回転軸40から放射状に突出するステー41…に支持せしめた螺旋翼4を、配位して、それの回転軸40の軸端部を機枠1に設けた軸受部材14に支架して機枠1に回転自在に軸支し、ドラム2と螺旋翼4とを、駆動手段Uにより各別に、かつ、ドラム2が螺旋翼4より早い回転速度で回転するように駆動することを特徴とする養殖ホタテ貝の洗浄装置。A drum 2 having a large number of sieve holes 22 in the cylinder wall 2a is rotatably supported on the machine frame 1 in a horizontal position, and a strip is formed into a ribbon screw shape in the internal space of the drum 2. Then, the spiral blades 4 supported by the stays 41 projecting radially from the rotating shaft 40 are arranged, and the shaft end of the rotating shaft 40 is supported on the bearing member 14 provided in the machine frame 1. journaled rotatably on the machine frame 1, a drum 2 and the spiral blade 4, to each other by the drive means U, and the feature that the drum 2 is driven to rotate at a faster speed than the spiral wrap 4 Cleaning equipment for cultured scallops. ドラム2およびそれの内部空間に配位する螺旋翼4を略水平な姿勢として機枠1に軸架して、その螺旋翼4をそれの回転によりドラム2内のホタテ貝を投入口20側から排出口21側に移送する正回転の方向に、ドラム2の回転速度より遅い回転速度で駆動回転せしめ、ドラム2を螺旋翼4の回転速度より早い回転速度で駆動回転させることを特徴とする請求項1記載の養殖ホタテ貝の洗浄装置。The drum 2 and coordinated spiral blade 4 in its internal space, and Jikuka the machine frame 1 a substantially horizontal position, the spiral blade 4, inlet scallops in the drum 2 by its rotation 20 The drum 2 is driven and rotated at a rotational speed slower than the rotational speed of the drum 2 in the forward rotational direction to be transferred from the side to the discharge port 21, and the drum 2 is driven and rotated at a rotational speed faster than the rotational speed of the spiral blade 4. The apparatus for cleaning cultured scallops according to claim 1. ドラム2およびそれの内部空間に配位する螺旋翼4を、略水平な姿勢として機枠1に軸して、その螺旋翼4をそれの回転によりドラム2内のホタテ貝を投入口20側から排出口21側に移送する正回転の方向にドラム2の回転速度より遅い回転速度で駆動回転せしめ、ドラム2を、螺旋翼4の回転方向と方向に螺旋翼4の回転速度より早い回転速度で駆動回転させることを特徴とする請求項1記載の養殖のホタテ貝の洗浄装置。The drum 2 and coordinated spiral blade 4 in its internal space, substantially in the axial rack on the machine frame 1 as horizontal position, the spiral blade 4, inlet scallops in the drum 2 by its rotation 20 The drum 2 is driven and rotated at a rotation speed slower than the rotation speed of the drum 2 in the forward rotation direction transferred from the side to the discharge port 21 side, and the drum 2 is faster than the rotation speed of the spiral blade 4 in the same direction as the rotation direction of the spiral blade 4. 2. The cultured scallop cleaning apparatus according to claim 1, wherein the apparatus is driven to rotate at a rotational speed. ドラム2の内部空間に配位して機枠1に軸架する螺旋翼4を、それの外径がドラム2の筒壁2aの内径寸法より僅かに小径となる寸法に設定して、螺旋翼4の外周面がドラム2の内周面との間にホタテ貝の殻の厚さより狭い間隔を形成してドラム2の内周面と対向するようにすることを特徴とする請求項1記載の養殖ホタテ貝の洗浄装置。  The spiral blade 4 arranged in the inner space of the drum 2 and pivotally mounted on the machine frame 1 is set so that its outer diameter is slightly smaller than the inner diameter of the cylindrical wall 2a of the drum 2. 2. The outer peripheral surface of the drum 2 is formed with a space narrower than the thickness of the scallop shell between the inner peripheral surface of the drum 2 and opposed to the inner peripheral surface of the drum 2. Cleaning equipment for cultured scallops. ドラム2の一端側の外周面に、チエン24を巻き付けて装着し、これと噛み合うスプロケット25を機枠1に軸支し、そのスプロケット25を駆動手段Uにより駆動して、ドラム2を駆動せしめることを特徴とする請求項1記載の養殖ホタテ貝の洗浄装置。  A chain 24 is wound around and attached to the outer peripheral surface of one end of the drum 2, and a sprocket 25 meshing with the chain 24 is pivotally supported on the machine frame 1, and the sprocket 25 is driven by the driving means U to drive the drum 2. The apparatus for cleaning cultured scallops according to claim 1.
JP2003128141A 2003-05-06 2003-05-06 Aquaculture scallop cleaning equipment Expired - Lifetime JP3849666B2 (en)

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