CN1593084A - 联合收割机梳捋筒 - Google Patents

联合收割机梳捋筒 Download PDF

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CN1593084A
CN1593084A CN 200410041351 CN200410041351A CN1593084A CN 1593084 A CN1593084 A CN 1593084A CN 200410041351 CN200410041351 CN 200410041351 CN 200410041351 A CN200410041351 A CN 200410041351A CN 1593084 A CN1593084 A CN 1593084A
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CN1288956C (zh
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蒯杰
陈绍平
王建军
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Taizhou Changfa Agricultural Equipment Co ltd
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TAIZHOU MODERN AGRICULTURE EQUIPMENT CO Ltd
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Abstract

本发明公开了一种联合收割机梳捋筒，它主要由挡盘(5)、中间幅盘(6)、轴(7)和梳捋齿板(11)组成，挡盘(5)在两端头，相邻梳捋齿板(11)之间用封板与幅盘(4)及中间幅盘(6)连接形成密封筒体，梳捋齿板(11)的齿形为三角形，相邻齿之间由大小不同的两个半圆和一个梯形构成前部为前部为心型的的梳捋腔，梳捋齿板(11)两端的梳捋齿采用半齿结构，其齿长比其它全齿短。心形梳捋腔面积大，适应高产作物的收获。心形梳捋腔的小半圆孔适应小穗轴作物及稀疏作物的收获，扩大了收获适应范围。两侧半齿紧邻两端的挡盘(5)，割幅两侧作物不会漏梳捋，挡盘(5)高出半齿，割幅两侧的籽粒飞溅得到控制，减轻了割幅两侧籽粒飞溅落粒损失。

Description

联合收割机梳捋筒
技术领域
本发明涉及一种联合收割机梳捋筒。
背景技术
目前公知的联合收割机梳捋筒构造是由圆孔型梳捋齿板、八角、幅盘、轴、封板、动力输送皮带轮(或链轮)、轴承座等组成。收获时，梳捋筒顺时针高速旋转，高速旋转的梳捋齿板将生长于田间作物的穗端引向圆孔形梳捋腔并进行梳脱，梳脱下来的籽粒混合物在抛掷力的作用下被抛掷至梳捋台收集区，通过输送搅龙的输送将混合物输送至联合收割机的脱分清工作部件，进一步脱粒、清选。由于作物品种的差异性极大，圆孔型梳捋腔对高产或低产作物(小穗轴作物、稀疏作物)的适应性差，表现在收获高产作物时，存在梳脱不净现象，而在收获小穗轴作物，稀疏作物时，存在落粒损失偏大的现象。另外，目前所使用的梳捋筒，割幅两侧的籽粒飞溅损失偏大。
发明内容
为了克服现有的梳捋筒收获高产作物或低产作物(小穗轴作物、稀疏作物)适应性差以及割幅两侧籽粒飞溅损失偏大的不足，本发明提供一种适用多种作物品种收割的联合收割机梳捋筒。
本发明是这样实现的：联合收割机梳捋筒，它主要由挡盘、中间幅盘、轴和梳捋齿板组成，挡盘在两端头，梳捋齿板与齿板固定板一起，通过螺栓联接在幅盘以及中间幅盘上，相邻梳捋齿板之间用封板与幅盘及中间幅盘连接形成密封筒体。梳捋齿板的齿形为三角形，相邻齿之间由大小不同的两个半圆和一个梯形构成前部为心型的的梳捋腔，梳捋齿板两端的梳捋齿采用半齿结构，其齿长比其它全齿短。圆形挡盘焊在两侧幅盘外端面，两侧幅盘分别固定输入轴组合和支承轴组合，在输入轴组合及支承轴组合上各有一只轴承座，以便通过该轴承座将梳捋筒体固定在梳捋台下框体上。
梳捋齿板在轴向方向上与挡盘之间的距离为0.1-2mm。挡盘在径向方向高出半齿30-40mm。联合收割机梳捋筒，两端的梳捋齿比其它全齿短30-40mm。
梳捋筒安装在梳捋台下框体上，与其它部件共同组成梳捋台。收获时，梳捋筒顺时针高速旋转(不同作物可选择不同的转速)，高速旋转的梳捋齿板将生长于田间作物的穗端引向前部为心型的梳捋腔并进行梳脱，梳脱下来的籽粒混合物在抛掷力的作用下被抛掷至梳捋台收集区，通过输送搅龙的输送，将混合物输送至联合收割机的脱分清工作部件进行进一步的脱粒、清选。由于梳捋腔是由大小两个半圆及一个梯形构成，前部为心型的梳捋腔比现有机型的圆孔型梳捋腔面积大，提高了对高产作物收获的适应性，克服了收获高产作物时存在的脱不净不足。由大逐小的前部为心型的梳捋腔，在收获小穗轴作物及稀疏作物时，梳脱后的籽粒不易落粒，降低了落粒损失，提高了对小穗轴作物及稀疏作物收获的适应性，梳捋齿板两侧的半齿与挡盘的组合使用，克服了割幅两侧漏梳捋的不足，降低了割幅两侧籽粒飞溅损失，扩大联合收割机对不同品种作物收获的适应范围。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图1是本发明梳捋筒在梳捋台中的结构示意图
图2是本发明梳捋筒的结构示意图
图3是梳捋齿板的结构示意图
图中：1.梳捋筒，2.轴承座，3.下框体，4.幅盘，5.挡盘，6.中间幅盘，7.输入轴组合，8.支承轴组合，9.封板，10.齿板固定板，11.梳捋齿板
具体实施方式
根据图1、图2和图3所示，本发明主要由2只幅盘4、3只中间幅盘6、8只梳捋齿板11、8只齿板固定板10、8只封板9、输入轴组合7、支承轴组合8构成。梳捋齿板由3-5mm钢板冲压而成，梳捋齿板11齿形为三角形，相邻两齿之间由两个大小不同的半圆及一个梯形构成前部为心型的梳捋腔。两端梳捋齿为半齿结构，半齿比全齿高度小30-40mm。梳捋齿板11与齿板固定板10一起通过螺栓连接在幅盘4及中间幅盘6上，幅盘4外端面上焊有圆形挡盘5，挡盘5与梳捋齿板11在轴向方向上的间隙为0.1-2mm。相邻两梳捋齿板11之间通过封板9与幅盘4及中间幅盘6联接，构成密封筒体。挡盘5焊接在幅盘4外端面上。幅盘4为钢板焊接件，端面形状为八角形。梳捋筒通过轴承座2固定在梳捋台下框体3上。其动力由梳捋台上方的变速箱通过链条传递。梳捋筒1绕轴承座2中心高速顺时针旋转。

Claims (3)

1、一种联合收割机梳捋筒，它主要由挡盘(5)、中间幅盘(6)、轴(7)和梳捋齿板(11)组成，挡盘(5)在两端头，相邻梳捋齿板(11)之间用封板与幅盘(4)及中间幅盘(6)连接形成密封筒体，其特征是梳捋齿板(11)的齿形为三角形，相邻齿之间由大小不同的两个半圆和一个梯形构成前部为前部为心型的的梳捋腔，梳捋齿板(11)两端的梳捋齿采用半齿结构，其齿长比其它全齿短。
2、根据权利要求1所述的联合收割机梳捋筒，其特征是梳捋齿板(11)在轴向方向上与挡盘(5)之间的距离为0.1-2mm。挡盘(5)在径向方向高出半齿30-40mm。
3、根据权利要求1所述的联合收割机梳捋筒，其特征是两端的梳捋齿比其它全齿短30-40mm。
CN 200410041351 2004-07-13 2004-07-13 联合收割机梳捋筒 Expired - Lifetime CN1288956C (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107027439A (zh) * 2017-04-19 2017-08-11 东北农业大学 镖型勺状半圆弧形勺边稻麦通用梳脱板齿
CN110771346A (zh) * 2019-12-06 2020-02-11 西藏农牧学院 一种双半圆弧齿形的野生牧草种子收获刀

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102703434B (zh) * 2012-06-12 2013-10-23 中国水产科学研究院黄海水产研究所 基于多孔材料的多聚酶链反应试剂保存方法及反应试剂

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107027439A (zh) * 2017-04-19 2017-08-11 东北农业大学 镖型勺状半圆弧形勺边稻麦通用梳脱板齿
CN107027439B (zh) * 2017-04-19 2019-09-20 东北农业大学 镖型勺状半圆弧形勺边稻麦通用梳脱板齿
CN110771346A (zh) * 2019-12-06 2020-02-11 西藏农牧学院 一种双半圆弧齿形的野生牧草种子收获刀

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