CN102835363B - 一种捕捉河蚌的工具 - Google Patents
一种捕捉河蚌的工具 Download PDFInfo
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Abstract
一种捕捉河蚌的工具，其特征在于它由两个长网纲(6)和两个直网纲(7)组成一个长方形，直网纲和长网纲连接处设有网浮(1)，网浮下连接有网坠(2)和网坠系绳(5)。两个长网纲之间还设有一个中间网纲(9)。中间网纲、长网纲和直网纲之间的对角线处连接有斜网纲(8)，斜网纲处还设有直径为0.1毫米的绞丝线(4)，长网纲各端的两角还设有两根拉绳(3)。本发明的优点在于：该捕捉河蚌的工具操作简单易行、使用时对环境影响小、捕获量大且捕捉到的河蚌完好鲜活。
Description
技术领域
本发明涉及一种捕捉河蚌的工具，河蚌又名“河歪”，是一种常见的的贝壳类水生动物。以滤食藻类为生，肉质特别脆嫩可口，是筵席之佳肴。河蚌不仅浑身是宝，且药用功效显著。
背景技术
河蚌的多重功能，使人们对河蚌的需求量日益增加，传统捕捉河蚌的方式已很难满足人们对河蚌的大量需求。在渔业生产中，人们一般采用徒手捕捉或者用爬子捕捉河蚌，采用这样的捕捉方式不仅耗费人工，捕捉量少，而且还只适合在较浅水域中进行操作。本人根据以往捕捉河蚌的经验结合其它捕捉工具创造出一种新型捕捉河蚌的工具。这种新型捕捉工具不仅适用于较深水域，且适合规模化、产业化的河蚌生产，既节省人力、物力，又能保证河蚌的完好性。经检索，人们对新型捕捉河蚌的工具的需求量日趋增加，因此该捕捉工具市场前景广阔。
发明内容
本发明的目的是提供一种捕捉河蚌的工具。
为了实现上述目的，本发明采用如下技术方案：
一种捕捉河蚌的工具，其特征在于它由两个长网纲(6)和两个直网纲(7)组成一个长方形，直网纲和长网纲连接处设有网浮(1)，网浮下连接有网坠(2)和网坠系绳(5)。两个长网纲之间还设有一个中间网纲(9)。中间网纲、长网纲和直网纲之间的对角线处连接有斜网纲(8)，斜网纲处还设有直径为0.1毫米的绞丝线(4)，长网纲各端的两角还设有两根拉绳(3)。
本发明的制备方法：每个网坠的重量在0.1-0.2公斤之间，单个网浮的浮力加网坠的浮力小于网坠自身的重力0.196N，网坠系绳的长度在15-20厘米之间。两个浮标之间的间距为1-1.5米，斜网纲的绞丝线间距为2-5厘米，绞丝线的长度比网坠系绳的长度长3-5厘米。上述材料，长网纲、中间网纲、直网纲用36-60股塑料绳制作，斜网纲用30-36股的塑料绳制作。网坠用水泥球制作，网坠系绳用18股塑料绳制作。网浮用塑料泡沫板制作。斜网纲的绞丝线用直径在0.1毫米塑料绳制作，拉绳则用90-120股塑料绳制作。
本发明的工作原理为：将该捕捉河蚌的工具放到有河蚌的水域中，由两个人或两只机帆船拉住它的两根拉绳以每小时1-2公里的速度向前拉动。斜网纲上的每根绞丝线由于在网浮和网坠的作用下呈自然下垂的状态，其下部向后弯曲并缓慢向前移动。河蚌在水下滤食藻类食物时会张开贝壳，当经过的绞丝线触及河蚌肌肉时，河蚌顿觉有威胁感，河蚌为自保将贝壳关闭。快速关闭的贝壳会把触碰到自身肌肉的绞丝线紧紧夹住而河蚌也将会被夹住的绞丝线拖走，拖走时越来越强烈的震动感使河蚌越夹紧两扇贝壳，直到被人们捕捉。当捕捉河蚌的工具在水下拉动一段距离时可拽出水面摘取河蚌也可边拉边摘取河蚌。
本发明的优点在于：该捕捉河蚌的工具操作简单易行、使用时对环境影响小、捕获量大且捕捉到的河蚌完好鲜活。
附图说明
图1是本发明的主视图；
图2是本发明的侧视图；
图3是本发明的俯视图；
图4是本发明的立体图。
具体实施方式
如图1、图2、图3、图4所示一种捕捉河蚌的工具，其特征在于它由两个长网纲(6)和两个直网纲(7)组成一个长方形，直网纲和长网纲连接处设有网浮(1)，网浮下连接有网坠(2)和网坠系绳(5)。两个长网纲之间还设有一个中间网纲(9)。中间网纲、长网纲和直网纲之间的对角线处连接有斜网纲(8)，斜网纲处还设有直径为0.1毫米的绞丝线(4)，长网纲各端的两角还设有两根拉绳(3)。每个网坠的重量在0.1-0.2公斤之间，单个网浮的浮力加网坠的浮力小于网坠自身的重力0.196N，网坠系绳的长度在15-20厘米之间。两个浮标之间的间距为1-1.5米，斜网纲的绞丝线间距为2-5厘米，绞丝线的长度比网坠系绳的长度长3-5厘米。上述材料，长网纲、中间网纲、直网纲用36-60股塑料绳制作，斜网纲用30-36股的塑料绳制作。网坠用水泥球制作，网坠系绳用18股塑料绳制作。网浮用塑料泡沫板制作。斜网纲的绞丝线用直径在0.1毫米塑料绳制作，拉绳则用90-120股塑料绳制作。
Claims (2)
1.一种捕捉河蚌的工具，其特征在于它由两个长网纲(6)和两个直网纲(7)组成一个长方形，直网纲和长网纲连接处设有网浮(1)，网浮下连接有网坠(2)和网坠系绳(5)；两个长网纲之间还设有一个中间网纲(9)；中间网纲、长网纲和直网纲之间的对角线处连接有斜网纲(8)，斜网纲处还设有直径为0.1毫米的绞丝线(4)，长网纲各端的两角还设有两根拉绳(3)。
2.根据权利要求1所述的一种捕捉河蚌的工具，其特征在于每个网坠的重量在0.1-0.2公斤之间，单个网浮的浮力加网坠的浮力小于网坠自身的重力0.196N，网坠系绳的长度在15-20厘米之间；两个浮标之间的间距为1-1.5米，斜网纲的绞丝线间距为2-5厘米，绞丝线的长度比网坠系绳的长度长3-5厘米；长网纲、中间网纲、直网纲用36-60股塑料绳制作，斜网纲用30-36股的塑料绳制作；网坠用水泥球制作，网坠系绳用18股塑料绳制作；网浮用塑料泡沫板制作；斜网纲的绞丝线用直径在0.1毫米塑料绳制作，拉绳则用90-120股塑料绳制作。
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| EP3585157B1 (en) * | 2017-02-27 | 2024-03-06 | Hans Gude Gudesen | Marine bioproduction facility |
| CN108157309B (zh) * | 2018-05-14 | 2018-07-31 | 烟台工程职业技术学院 | 一种河蚌捕捉收集装置 |
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| SU1440449A1 (ru) * | 1987-03-24 | 1988-11-30 | ЛГУ им.А.А.Жданова | Способ отбора мидий |
| GB9512886D0 (en) * | 1995-06-23 | 1995-08-23 | Sub Sear Shellfish Limited | Submersible platform and related method |
| NO314282B1 (no) * | 2000-02-11 | 2003-03-03 | Bjoern Aspoey | Skjellsamleranlegg |
| NL1023156C2 (nl) * | 2003-04-11 | 2004-10-13 | Prins & Dingemanse B V | Werkwijze en inrichting voor het oogsten van schelpdieren. |
| NL1023287C2 (nl) * | 2003-04-28 | 2004-11-01 | Pieter Nicolaas Buizer | Inrichting voor het kweken van mosselen. |
| EP1588610A1 (en) * | 2004-04-23 | 2005-10-26 | Simon August Lenger | System for harvesting seed mussels |
| CN2822203Y (zh) * | 2005-09-09 | 2006-10-04 | 王金记 | 文蛤取捕机 |
| WO2008067612A1 (en) * | 2006-12-07 | 2008-06-12 | Peter Kvietelaitis | Spat collection and growing medium |
| BG1038U1 (bg) * | 2007-05-21 | 2008-04-30 | Димчо Анев | Линия за отглеждане на провесни култури и поплавък за линията |
| GB0815114D0 (en) * | 2008-08-19 | 2008-09-24 | Deeside Marine Ltd | Improvments in and relating to a dredge frame |
| CN102210286A (zh) * | 2010-04-08 | 2011-10-12 | 盘锦光合水产有限公司 | 一种河蟹起捕装置 |
| CN202722292U (zh) * | 2012-08-24 | 2013-02-13 | 李三川 | 一种捕捉河蚌的工具 |
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