CN103960207B - 套管式杆子操控螺蛳拖网 - Google Patents

套管式杆子操控螺蛳拖网 Download PDF

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CN103960207B
CN103960207B CN201410204463.XA CN201410204463A CN103960207B CN 103960207 B CN103960207 B CN 103960207B CN 201410204463 A CN201410204463 A CN 201410204463A CN 103960207 B CN103960207 B CN 103960207B
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CN103960207A (zh
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朱明龙
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Zhejiang Xinyuanhong Polymer Materials Co ltd
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Abstract

一种套管式杆子操控螺蛳拖网,由一根套管式杆子和一只方口网兜组成,套管式杆子的内套管或套杆能沿外套管内腔向前推进却不会脱出,内套管或套杆头端有一只浮力块和一只四边形框子,网兜能披挂在四边形框子上由套管或套杆送出,可有效增加捕捞的水平距离和入水深度,当网兜被水中异物挂住时能通过套管或套杆将之推离,可单人操作,能大幅度提高捕捞效率。

Description

套管式杆子操控螺蛳拖网
技术领域:
本发明涉及一种渔具,尤其是一种套管式杆子操控螺蛳拖网。
背景技术:
用于捕螺的推网和拉网,都用一根竹竿操控。因竹竿长度有限,且太长了也不便携带,所以其可操作距离及入水深度都受限制。用绳索操控的拖网,虽不受上述限制,但必须由两人从两边往来拽拉或用船牵引,否则一旦网兜被水中障碍物勾住就很难处理。
发明内容:
为了实现捕螺拖网的单人单向在岸操作,本发明提供一种套管式杆子操控螺蛳拖网,其特征在于包括了一付套管式操作杆和一只方口网兜;套管式操作杆由一根外套管和一根内套管或内套杆组成,从应用时的实施角度而言,外套管的头端管口段管壁向内心加厚使管口内径收小;内套管或内套杆的尾端段外壁向外围增厚使外径扩大,其扩大后的直径略小于外套管的未向内心加厚处的内径,内套管或内套杆中未向外围增厚的外径略小于外套管中已经向内心加厚段的内径,在接近本管头部的杆体上装有一个浮力块,在浮力块前头紧靠本管头端的杆体上设有一个横向穿孔,在这个穿孔上装有一个能在杆头上下沿本杆纵长向作翻转的四边形框子;方口网兜为一只网口上沿装有角钢形框条、下口沿装有一段圆钢形框条、两侧沿联着软绳的网兜,其上沿的角钢形框条联着一条直达套管尾端的绳索;方口网兜在实际应用前通过其上沿的角钢形框条平行披挂于内套管头端的四边形上侧框条上,在实际应用时能脱离内套管头端沉入水底,转由联在网兜方口上沿的绳索操控。
本发明用如下方法实施:1、制作套杆:取一根长6米,管腔直径4.5cm的硬质塑料管,在其一头的管腔内楔进一段长10cm、外径4.5cm、内腔直径3.5cm的同材质塑料管;另取一根长6米,外围直径3.4cm的硬质塑料管或杆子,在其尾端套上一段长10cm、外径4.4cm、内腔直径3.4cm的同材质塑料管,在该段塑料管前方10.5cm处的管或杆身上垂直穿凿一个直径1cm的插销孔,在本管或杆头端横向穿凿出一个直径2cm的圆孔;2、取一只网格为1cm×1cm的网兜,在网兜口的上沿装一根铝塑材料制作的长40cm、夹角面宽度均为3cm的角钢形构件,在一个夹角面正中打一个穿绳孔,另一夹角面水平设置10个挂网孔,将网兜的上沿栓挂于此;在网兜的下沿栓挂一根长40cm、粗3cm的圆钢,角钢形构件距圆钢间的垂直距离30cm;3、取一根长50cm、粗1cm的钢管制作四边形框子上的形体,形体横长30cm,向下折成的两条插足各长10cm;另取一根长35cm,粗1.9cm的钢管制作四边形框子下沿的形管底座管,先将管子两头封闭,再在管子两头内侧2.5cm处各打一个直径1cm的单壁穿透口;4、用泡沫塑料制作一只长35cm、宽10cm、高20cm的浮力块,在浮力块正面稍偏下沿处正中位置设置一个直径3.4cm的对穿圆孔。将外径为4.4cm、尾端已经加套一段塑料管的管或杆以其头端在内腔直径为3.5cm的管子腔内穿越,待其头端露出外管头端管口后,先将浮力块套在该管或杆头上的横向圆孔内侧,再将两头设有单壁穿透口的钢管插入横向圆孔中,最后将形钢管以其两只插足插入单壁穿透口中并加以固定。本发明的有效用途是通过可以延长的套管将网兜送出,可使捕螺的有效距离增加一倍,且可单人操作;一旦网兜被水中异物挂住,也可通过套管将网兜逆向推离异物消除难题,能大幅节省捕螺投劳并提高捕螺效益。
附图说明:
图1为外套管示意图;图2为内套管(杆)构成示意图;图3为本发明结构示意图;图4为四边形框子示意图;图5为图3之立剖图;图6为四边形框子跟网兜上沿角钢形构件结合形式示意图;图7为网兜结构示意图;图8为本发明备用状态示意图。图中,1是外套管,2是收小了的外套管管口,3是内管或内杆活塞栓,4是插销孔,5是内管或杆体,6是浮力块,7是横向圆孔,8是形管,9是形管底座管,10是插销,11是网兜上沿角钢形构件,12是“角钢”栓绳孔,13是网兜底沿圆钢,14是网兜,15是拉绳。
具体实施方式:
如图5所示,先将图2所示的内套管或杆卸去头部的浮力块6,从图1所示的外套管尾端管口插入并穿越其头端管口2,重将浮力块6套装在内套管或杆5的头部,然后将形管底座管9插入横向圆孔7中,再将形管8的两条插足插入形管底座管的单壁穿透口中并加以固定。应用时,先将内套管或杆向前拉出并在插销孔4中插入插销10将之固定,然后将栓有拉绳15的网兜14通过其网口上沿的角钢形构件11披挂于形管的上沿,然后推动套管或套杆将网兜送出,到位后抬高套管尾端并放松拉绳使网兜14落入水中,即可往回拖拉;若网兜被水下异物勾住,则逆向推动套管或套杆使网兜脱出异物区再行拖拉。

Claims (1)

1.一种套管式杆子操控螺蛳拖网,其特征在于包括了一付套管式操作杆和一只方口网兜;套管式操作杆由一根外套管和一根内套管或内套杆组成,从应用时的实施角度而言,外套管的头端管口段管壁向内心加厚使管口内径收小;内套管或内套杆的尾端段外壁向外围增厚使外径扩大,其扩大后的直径略小于外套管的未向内心加厚处的内径,内套管或内套杆中未向外围增厚的外径略小于外套管中已经向内心加厚段的内径,在接近本管头部的杆体上装有一个浮力块,在浮力块前头紧靠本管头端的杆体上设有一个横向穿孔,在这个穿孔上装有一个能在杆头上下沿本杆纵长向作翻转的四边形框子;方口网兜为一只网口上沿装有角钢形框条、下口沿装有一段圆钢形框条、两侧沿联着软绳的网兜,其上沿的角钢形框条联着一条直达套管尾端的绳索;方口网兜在实际应用前通过其上沿的角钢形框条平行披挂于内套管头端的四边形上侧框条上,在实际应用时能脱离内套管头端沉入水底,转由联在网兜方口上沿的绳索操控。
CN201410204463.XA 2014-05-07 2014-05-07 套管式杆子操控螺蛳拖网 Active CN103960207B (zh)

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Effective date of registration: 20181113

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Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512

Patentee before: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd.