CN110199589A - 花生耕整联合播种机用起垄铲及制备方法 - Google Patents

花生耕整联合播种机用起垄铲及制备方法 Download PDF

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CN110199589A
CN110199589A CN201910513240.4A CN201910513240A CN110199589A CN 110199589 A CN110199589 A CN 110199589A CN 201910513240 A CN201910513240 A CN 201910513240A CN 110199589 A CN110199589 A CN 110199589A
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张春艳
荐世春
李维华
张宁宁
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Shandong Academy of Agricultural Machinery Sciences
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
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    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B13/00Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation
    • A01B13/02Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation for making or working ridges, e.g. with symmetrically arranged mouldboards, e.g. ridging plough
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
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    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
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    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
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    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
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Abstract

本发明提供了一种花生耕整联合播种机用起垄铲及制备方法,从降低起垄阻力、减少铲尖磨损和铲面粘土方面入手,以延长起垄铲的使用寿命。一种花生耕整联合播种机用起垄铲,起垄铲铲体下部设置顺向条纹结构,顺向条纹结构中条纹宽度l 1 与起垄铲厚度t相同,条纹间距l 2 与条纹宽度l 1 之比为3~4,顺向条纹结构上部分布多行圆形凸起结构,各行交错排列。

Description

花生耕整联合播种机用起垄铲及制备方法
技术领域
本发明涉及一种起垄铲,具体涉及一种花生耕整联合播种机用起垄铲及制备方法。
背景技术
起垄是花生播种过程中的重要一环,传统的起垄方式多采用普通起垄铲或起垄辊,虽然起垄辊成型较好,但是体积较大,影响整机大小,因此,在花生耕整联合播种机上选择使用起垄铲。
起垄铲是花生耕整联合播种机的主要触土部件,由于土壤在起垄过程中对起垄铲的阻力,使起垄阻力增大,起垄铲铲尖磨损加剧。另外,在土壤湿度较大的情况下,容易造成铲面粘土。无论是铲尖磨损,还是铲面粘土都直接影响起垄铲的寿命和起垄质量。
发明内容
为了克服以上现有技术存在的不足,本发明提供了一种花生耕整联合播种机用起垄铲及制备方法,从降低起垄阻力、减少铲尖磨损和铲面粘土方面入手,以延长起垄铲的使用寿命。
本发明为实现上述目的,通过以下技术方案实现:
一种花生耕整联合播种机用起垄铲,起垄铲铲体下部设置顺向条纹结构,顺向条纹结构中条纹宽度l1与起垄铲厚度t相同,条纹间距l2与条纹宽度l1之比为3~4,顺向条纹结构上部分布多行圆形凸起结构,各行交错排列。
所述花生耕整联合播种机用起垄铲优选方案,圆形凸起结构采用铆接方法形成,在圆形凸起所在位置处钻孔,将半圆形铆钉铆接在铲体上,铲体厚度为t,半圆形铆钉公称直径为2t≤d≤3t,铲体通孔直径为d0,两者关系为d0=d+1mm,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
所述花生耕整联合播种机用起垄铲优选方案,圆形凸起结构制备方法如下:
(1)选取合适的铆钉:按照GB863.1-1986的国家标准选择公称直径d满足2t≤d≤3t条件的铆钉;
(2)打点:按照圆形凸起所在位置打点,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
(3)钻孔:在打点位置使用硬质合金或者金属陶瓷材料的钻头钻削直径d0=d+1mm的通孔;
(4)铆接:采用热铆,将铆钉加热到1000±50℃进行热铆,再自然冷却到室温。
所述花生耕整联合播种机用起垄铲优选方案,顺向条纹结构制备方法如下:
(1)制备含Cr合金的膏状体:将有机粘合剂和金属铬粉按照重量比1:2~4混合均匀,调制成膏状体;
(2)涂敷含Cr合金的膏状体:将步骤(1)制备的膏状体均匀涂敷在铲面下部三分之一处后进行干燥;
(3)选用激光器和激光束参数:采用10kW CO2激光器发出的激光束按照步骤(2)所确定的位置进行合金化处理,其中激光束光斑直径D与条纹宽度l1之比为0.1~1,激光束扫描速率为15~45mm/s,同时,激光器工作过程中采用氩气进行侧吹保护;
(4)去除铲面含Cr合金的膏状体:采用乙醇或92#汽油对铲体下部浸泡3~5小时,再进行充分清洁。
所述花生耕整联合播种机用起垄铲优选方案,有机粘合剂质量分数比为95%:5%的松油醇和乙基纤维素混合而成。
一种花生耕整联合播种机用起垄铲制备方法,包括在铲体上加工顺向条纹结构和圆形凸起结构,其中:
顺向条纹结构制备方法如下:
(1)制备含Cr合金的膏状体:将有机粘合剂和金属铬粉按照重量比1:2~4混合均匀,调制成膏状体;
(2)涂敷含Cr合金的膏状体:将步骤(1)制备的膏状体均匀涂敷在铲面下部三分之一处后进行干燥;
(3)选用激光器和激光束参数:采用10kW CO2激光器发出的激光束按照步骤(2)所确定的位置进行合金化处理,其中激光束光斑直径D与条纹宽度l1之比为0.1~1,激光束扫描速率为15~45mm/s,同时,激光器工作过程中采用氩气进行侧吹保护;
(4)去除铲面含Cr合金的膏状体:采用乙醇或者92#汽油对铲体下部浸泡3~5小时,再进行充分清洁;
圆形凸起结构制备方法如下:
(1)选取合适的铆钉:按照GB863.1-1986的国家标准选择公称直径d满足2t≤d≤3t条件的铆钉;
(2)打点:按照圆形凸起所在位置打点,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
(3)钻孔:在打点位置使用硬质合金或者金属陶瓷材料的钻头钻削直径d0=d+1mm的通孔;
(4)铆接:采用热铆,将铆钉加热到1000±50℃进行热铆,再自然冷却到室温。
本发明的优点在于:
顺向条纹结构经激光表面合金化处理后硬度增加,与铲体母材形成软硬相间的结构,该结构可减小起垄阻力,改善铲尖磨损的问题;圆形凸起结构可打乱土壤顺向移动方向,使土壤掉落,可改善铲面粘土的问题。经试验,经过激光表面合金化处理的起垄铲和传统起垄铲相比,寿命提高20%~30%。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。
图1为本发明花生耕整联合播种机用起垄铲轴测示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
一种花生耕整联合播种机用起垄铲,起垄铲铲体下部三分之一处设置顺向条纹结构,顺向条纹结构中条纹宽度l1与起垄铲厚度t相同,条纹间距l2与条纹宽度l1之比为3~4,顺向条纹结构上部分布4~6行圆形凸起结构,占起垄铲面的二分之一,各行交错排列。
本实施例中,圆形凸起结构采用铆接方法形成,在圆形凸起所在位置处钻孔,将半圆形铆钉铆接在铲体上,铲体厚度为t,半圆形铆钉公称直径为2t≤d≤3t,铲体通孔直径为d0,两者关系为d0=d+1mm,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
一种花生耕整联合播种机用起垄铲制备方法,包括在铲体上加工顺向条纹结构和圆形凸起结构,其中:
顺向条纹结构制备方法如下:
(1)制备含Cr合金的膏状体:将有机粘合剂和金属铬粉按照重量比1:2~4混合均匀,调制成膏状体,有机粘合剂质量分数比为95%:5%的松油醇和乙基纤维素混合而成;
(2)涂敷含Cr合金的膏状体:将步骤(1)制备的膏状体均匀涂敷在铲面下部三分之一处后进行干燥;
(3)选用激光器和激光束参数:采用10kW CO2激光器发出的激光束按照步骤(2)所确定的位置进行合金化处理,其中激光束光斑直径D与条纹宽度l1之比为0.1~1,激光束扫描速率为15~45mm/s,同时,激光器工作过程中采用氩气进行侧吹保护;
(4)去除铲面含Cr合金的膏状体:采用乙醇或者92#汽油对铲体下部浸泡3~5小时,再进行充分清洁;
圆形凸起结构制备方法如下:
(1)选取合适的铆钉:按照GB863.1-1986的国家标准选择公称直径d满足2t≤d≤3t条件的铆钉;
(2)打点:按照圆形凸起所在位置打点,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
(3)钻孔:在打点位置使用硬质合金或者金属陶瓷材料的钻头钻削直径d0=d+1mm的通孔;
(4)铆接:采用热铆,将铆钉加热到1000±50℃进行热铆,再自然冷却到室温。
对比试验:
选取本发明的起垄铲和传统锥形起垄铲,在山东莱芜选择同一试验田,耕深20cm,试验在5种不同起垄速度下起垄阻力,两种起垄铲在不同的起垄速度下分别试验三次,通过传感器采集起垄阻力数据,截取数据稳定段求平均值,结果如下:
从上表可以得出本发明起垄铲相比传统锥形起垄铲具有更为显著的降阻效果。
经试验,经过激光表面合金化处理的起垄铲和传统起垄铲相比,寿命提高20%~30%。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (6)

1.一种花生耕整联合播种机用起垄铲,其特征在于:起垄铲铲体下部设置顺向条纹结构,顺向条纹结构中条纹宽度l 1 与起垄铲厚度t相同,条纹间距l 2 与条纹宽度l 1 之比为3~4,顺向条纹结构上部分布多行圆形凸起结构,各行交错排列。
2.根据权利要求1所述花生耕整联合播种机用起垄铲,其特征在于:圆形凸起结构采用铆接方法形成,在圆形凸起所在位置处钻孔,将半圆形铆钉铆接在铲体上,铲体厚度为t,半圆形铆钉公称直径为2t≤d≤3t,铲体通孔直径为d0,两者关系为d0=d+1mm,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
3.根据权利要求2所述花生耕整联合播种机用起垄铲,其特征在于: 圆形凸起结构制备方法如下:
(1)选取合适的铆钉:按照GB863.1-1986的国家标准选择公称直径d满足2t≤d≤3t条件的铆钉;
(2)打点:按照圆形凸起所在位置打点,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
(3)钻孔:在打点位置使用硬质合金或者金属陶瓷材料的钻头钻削直径d0=d+1mm的通孔;
(4)铆接:采用热铆,将铆钉加热到1000±50℃进行热铆,再自然冷却到室温。
4.根据权利要求1所述花生耕整联合播种机用起垄铲,其特征在于:顺向条纹结构制备方法如下:
(1)制备含Cr合金的膏状体:将有机粘合剂和金属铬粉按照重量比1:2~4混合均匀,调制成膏状体;
(2)涂敷含Cr合金的膏状体:将步骤(1)制备的膏状体均匀涂敷在铲面下部三分之一处后进行干燥;
(3)选用激光器和激光束参数:采用10kW CO2激光器发出的激光束按照步骤(2)所确定的位置进行合金化处理,其中激光束光斑直径D与条纹宽度l1之比为0.1~1,激光束扫描速率为15~45mm/s,同时,激光器工作过程中采用氩气进行侧吹保护;
(4)去除铲面含Cr合金的膏状体:采用乙醇或92#汽油对铲体下部浸泡3~5小时,再进行充分清洁。
5.根据权利要求4所述花生耕整联合播种机用起垄铲,其特征在于:有机粘合剂质量分数比为95%:5%的松油醇和乙基纤维素混合而成。
6.一种花生耕整联合播种机用起垄铲制备方法,其特征在于:包括在铲体上加工顺向条纹结构和圆形凸起结构,其中:
顺向条纹结构制备方法如下:
(1)制备含Cr合金的膏状体:将有机粘合剂和金属铬粉按照重量比1:2~4混合均匀,调制成膏状体;
(2)涂敷含Cr合金的膏状体:将步骤(1)制备的膏状体均匀涂敷在铲面下部三分之一处后进行干燥;
(3)选用激光器和激光束参数:采用10kW CO2激光器发出的激光束按照步骤(2)所确定的位置进行合金化处理,其中激光束光斑直径D与条纹宽度l1之比为0.1~1,激光束扫描速率为15~45mm/s,同时,激光器工作过程中采用氩气进行侧吹保护;
(4)去除铲面含Cr合金的膏状体:采用乙醇或者92#汽油对铲体下部浸泡3~5小时,再进行充分清洁;
圆形凸起结构制备方法如下:
(1)选取合适的铆钉:按照GB863.1-1986的国家标准选择公称直径d满足2t≤d≤3t条件的铆钉;
(2)打点:按照圆形凸起所在位置打点,圆形凸起结构各行间距介于2d0~3d0之间,每行圆形凸起结构间距l需满足3d0≤l≤4d0,距起垄铲边缘的边距e需满足d0≤e≤1.5d0
(3)钻孔:在打点位置使用硬质合金或者金属陶瓷材料的钻头钻削直径d0=d+1mm的通孔;
(4)铆接:采用热铆,将铆钉加热到1000±50℃进行热铆,再自然冷却到室温。
CN201910513240.4A 2019-06-14 2019-06-14 花生耕整联合播种机用起垄铲及制备方法 Pending CN110199589A (zh)

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