CN105874944A - 开沟仿形气力式蔬菜精量播种机 - Google Patents

开沟仿形气力式蔬菜精量播种机 Download PDF

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CN105874944A
CN105874944A CN201610338150.2A CN201610338150A CN105874944A CN 105874944 A CN105874944 A CN 105874944A CN 201610338150 A CN201610338150 A CN 201610338150A CN 105874944 A CN105874944 A CN 105874944A
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fixed
unit
profiling
mounting post
seed
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CN105874944B (zh
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廖宜涛
廖庆喜
舒彩霞
丁幼春
万国伟
张青松
王都
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Huazhong Agricultural University
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/06—Machines for making or covering drills or furrows for sowing or planting
    • A01C5/062—Devices for making drills or furrows
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/06—Machines for making or covering drills or furrows for sowing or planting
    • A01C5/066—Devices for covering drills or furrows
    • A01C5/068—Furrow packing devices, e.g. press wheels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/18—Machines for depositing quantities of seed at intervals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/20—Parts of seeders for conducting and depositing seed

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Working Implements (AREA)
  • Sowing (AREA)

Abstract

本发明公开了一种开沟仿形气力式蔬菜精量播种机，包括主体机架和仿形单元,所述主体机架前端固定有三点悬挂架，所述主体机架后端固定有排种单元，所述主体机架上方固定有气力单元，所述主体机架下方固定有开畦沟整形单元，所述仿形单元安装于主体机架上。本发明可一次完成开沟、镇压、播种等作业，作业效率高，适应性强。

Description

开沟仿形气力式蔬菜精量播种机
技术领域
本发明涉及农业机械中播种技术领域，具体涉及到一种开沟仿形气力式蔬菜精量播种机。
背景技术
蔬菜是我国种植业第二大产业，其机械化种植现处于初始阶段，。目前，在大田与设施农业中，仍以人工撒播再间苗或借助简单的工具进行移栽为主，存在劳动强度大、浪费种子、生产效率低等缺点。蔬菜机械化播种与人工作业相比，采用机械化播种可保证播量稳定性、播种均匀性以及播深的一致性。采用机械化直播技术是降低作业成本，提高作业质量的关键因素。随着我国农业机械化技术发展，我国拖拉机平均马力不断加大，使得装备多功能作业的机具成为可能。因此研发一种高效、作业质量高、适应性好，多功能联合作业的蔬菜精量播种机具有重要的现实意义。
发明内容
为了克服现有蔬菜种植上的不足，本发明提供了一种开沟仿形气力式蔬菜精量播种机。
一种开沟仿形气力式蔬菜精量播种机，包括主体机架和仿形单元,所述主体机架前端固定有三点悬挂架1，所述主体机架后端固定有排种单元，所述主体机架上方固定有气力单元，所述主体机架下方固定有开畦沟整形单元，所述仿形单元安装于主体机架上。
所述主体机架包括前梁2和一对横梁4，所述前梁2后方固定有后梁3，所述前梁2和后梁3并排固定于一对横梁4之间，所述前梁2的两端均与横梁4的一端相连接，所述后梁3的两端均固定于横梁4上，所述横梁4下方对称安装有一对开畦沟犁安装柱6和一对镇压辊安装柱7，所述开畦沟犁安装柱6的一端和镇压辊安装柱7的一端均固定于横梁4上，所述开畦沟犁安装柱6与镇压辊安装柱7并排安装在横梁4下方，所述镇压辊安装柱7固定于开畦沟犁安装柱6的后方。
所述气力单元包括风泵支架9，所述风泵支架9安装于前梁2上方，所述风泵支架9上方固定有风泵10，所述风泵10的一端固定有第二带轮11，所述风泵支架9内部固定有驱动轴8，所述驱动轴8的一端固定有第一带轮12，所述第一带轮12通过皮带与第一带轮11连接。
所述开畦沟整形单元包括镇压整形辊26、螺栓28和限位螺栓30，所述前梁2下方固定有多个松土铲27，所述开沟犁安装柱6的另一端固定有开畦沟犁29，所述开畦沟犁29通过螺栓28和限位螺栓30与开沟犁安装柱6连接，所述镇压整形辊26的两端均固定于镇压辊安装柱7上。
所述仿形单元包括多个弹簧13、平行四连杆14和限位螺柱15，所述平行四杆架14的一侧横向均匀固定于后梁3上，所述平行四杆架14的另一侧横向均匀固定于排种单元上，所述弹簧13的一端固定于平行四连杆14上，所述弹簧13的另一端固定有转轮16，所述转轮16通过限位螺柱15与弹簧13连接。
所述排种单元包括排种器单体支架21，所述排种单元通过排种器单体支架21与平行四连杆14连接，所述排种器单体支架21上方固定有多个排种器19，所述排种器19上方并排设置有正压管道17和负压管道18，所述正压管道17和负压管道18均与排种器19相连通，所述排种器19的一侧安装有第一链轮20，所述排种器单体支架21下方固定有多个镇压轮轴24，所述镇压轮轴24的一端通过第二链轮22与排种器单体支架21连接，所述第二链轮22通过链条与第一链轮20连接，所述镇压轮轴24的另一端固定有镇压轮23，所述排种器单体支架21下方固定有多个双圆盘开沟器25，所述双圆盘开沟器25设置于镇压轮23与镇压整形辊26之间。
所述镇压整形辊26包括沟型镇压部分31和厢面镇压部分32，所述沟型镇压部分31设置于厢面镇压部分32的两端。
本发明具有以下有益效果：
1.本发明采用排种器单体四连杆仿形机构，可有效保证蔬菜播种深度的一致性；
2.本发明在总体机架前梁上装有四个松土铲，对拖拉机行驶过后的土地表面进行有效的松土作用，可减少拖拉机压实地面对后续播种工序的影响；
3.本发明装有左右开沟犁，一次性完成播种开沟作业，省力省工，对南方多雨地区露天蔬菜种植有很好的适应性；
4.本发明中镇压整形辊由沟型镇压部分和厢面镇压部分组成，沟型镇压部分可对开畦沟犁所成形沟壁进行修正并有效镇压，可整备出沟型整齐、沟壁平整的畦沟，厢面镇压部分可对厢面进行有效镇压，为后续播种作业提供良好的种床条件，利于蔬菜的出苗与后期生长；
5.本发明采用气力式精量排种器，可有效降低种子损伤率，节约成本，提高出苗率，保证排种均匀性，降低后期间苗的劳动强度；
6.本发明可一次完成开沟、镇压、播种等作业，作业效率高，适应性强。
附图说明
图1为本发明整体结构示意图；
图2为本发明右侧视图；
图3为本发明前侧视图；
图4为本发明镇压整形辊示意图；
图5为本发明机架示意图；
图6为本发明局部结构示意图。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步详细描述：
一种开沟仿形气力式蔬菜精量播种机，包括主体机架和仿形单元,所述主体机架前端通过螺栓固定有三点悬挂架1，所述三点悬挂架1用于与拖拉机挂接，所述主体机架后端固定有排种单元，所述主体机架上方固定有气力单元，所述主体机架下方固定有开畦沟整形单元，所述仿形单元安装于主体机架上。所述主体机架包括前梁2和一对横梁4，所述前梁2后方固定有后梁3，所述前梁2和后梁3并排固定于一对横梁4之间，所述前梁2的两端均与横梁4的一端相连接，所述后梁3的两端均固定于横梁4上，所述横梁4下方对称安装有一对开畦沟犁安装柱6和一对镇压辊安装柱7，所述开畦沟犁安装柱6的一端和镇压辊安装柱7的一端均固定于横梁4上，所述开畦沟犁安装柱6与镇压辊安装柱7并排安装在横梁4下方，所述镇压辊安装柱7固定于开畦沟犁安装柱6的后方，所述前梁2、后梁3、横梁4、开畦沟犁安装柱6和镇压棍安装柱7焊接为一体。所述气力单元包括风泵支架9，所述风泵支架9通过螺栓安装于前梁2上方，所述风泵支架9上方固定有风泵10，所述风泵10的一端固定有第二带轮11，所述风泵支架9内部通过螺栓固定有驱动轴8，所述驱动轴8的一端固定有第一带轮12，所述第一带轮12通过皮带与第一带轮11连接，并驱动第一带轮11。所述开畦沟整形单元包括镇压整形辊26、螺栓28和限位螺栓30，所述前梁2下方固定有多个松土铲27，其位置对应拖拉机行走区域，对拖拉机压实土地表面进行松土，消除拖拉机压实对播种的影响。所述开沟犁安装柱6的另一端固定有开畦沟犁29，所述开畦沟犁29通过螺栓28和限位螺栓30与开沟犁安装柱6连接，开沟犁可借助螺栓28进行高度调节，依靠限位螺栓30锁紧开沟犁，所述镇压整形辊26的两端均固定于镇压辊安装柱7上，所述镇压整形辊26通过销钉与镇压辊安装柱7连接，镇压整形辊26安装于主体机架下方。所述仿形单元包括多个弹簧13、平行四连杆14和限位螺柱15，所述平行四杆架14的一侧横向均匀固定于后梁3上，所述平行四杆架14的另一侧横向均匀固定于排种单元上，所述仿形机构通过U型螺栓与后梁3及排种器单体支架21连接，所述弹簧13的一端固定于平行四连杆14上，所述弹簧13的另一端固定有转轮16，所述转轮16通过限位螺柱15与弹簧13连接。所述排种单元包括排种器单体支架21，所述排种单元通过排种器单体支架21与平行四连杆14连接，排种器单体支架21通过U型螺栓与平行四连杆14连接，所述排种器单体支架21上方固定有多个排种器19，所述排种器19上方并排设置有正压管道17和负压管道18，所述正压管道17和负压管道18均与排种器19相连通，所述排种器19的一侧安装有第一链轮20，所述排种器单体支架21下方固定有多个镇压轮轴24，所述镇压轮轴24的一端通过第二链轮22与排种器单体支架21连接，所述第二链轮22通过链条与第一链轮20连接，所述镇压轮轴24的另一端固定有镇压轮23，镇压轮23通过行走带动镇压轮轴24，从而驱动第二链轮22转动，第二链轮22通过滚子链带动第一链轮20转动，进而驱动排种器19工作，所述排种器单体支架21下方通过U型螺栓固定有多个双圆盘开沟器25，所述双圆盘开沟器25设置于镇压轮23与镇压整形辊26之间。所述镇压整形辊26包括沟型镇压部分31和厢面镇压部分32，所述沟型镇压部分31设置于厢面镇压部分32的两端，所述沟型镇压部分31可对开畦沟犁29所成形沟壁进行修正并有效镇压，所述厢面镇压部分32可对厢面进行有效镇压。
下面以播种白萝卜为例说明本发明的工作过程：蔬菜播种机通过三点悬挂架1与拖拉机进行连接，播种机驱动轴8通过万向节传动轴与拖拉机后动力输出轴连接，拖拉机启动后，驱动风泵10运转，通过PVC管将正负气压输入排种器19相应的正负气压室；此时，启动拖拉机液压提升装置，将播种机放下，拖拉机向前行驶，播种机开始播种工作；行走过程中，开畦沟犁29在播种机自重等作用下入土，开出沟底干净、沟壁整齐的厢沟；松土铲27对拖拉机行驶过后压实土地表面进行松土；镇压整形辊26对松土、开沟后的地表进行镇压平土，保证地表的平整度；行走的镇压轮23通过与地面的摩擦自转带动镇压轮轴24运动，镇压轮轴24驱动第二链轮22转动，第二链轮22通过链驱动第一链轮20转动，带动排种器19的排种盘进行排种工作；启动液压提升装置，将播种机提起，地轮停止转动，仅进行行走工作；脱离拖拉机后动力输出轴，播种机风泵10停止工作。

Claims (7)

1.一种开沟仿形气力式蔬菜精量播种机，包括主体机架和仿形单元,其特征在于:所述主体机架前端固定有三点悬挂架(1)，所述主体机架后端固定有排种单元，所述主体机架上方固定有气力单元，所述主体机架下方固定有开畦沟整形单元，所述仿形单元安装于主体机架上。
2.根据权利要求1所述开沟仿形气力式蔬菜精量播种机，其特征在于：所述主体机架包括前梁(2)和一对横梁(4)，所述前梁(2)后方固定有后梁(3)，所述前梁(2)和后梁(3)并排固定于一对横梁(4)之间，所述前梁(2)的两端均与横梁(4)的一端相连接，所述后梁(3)的两端均固定于横梁(4)上，所述横梁(4)下方对称安装有一对开畦沟犁安装柱(6)和一对镇压辊安装柱(7)，所述开畦沟犁安装柱(6)的一端和镇压辊安装柱(7)的一端均固定于横梁(4)上，所述开畦沟犁安装柱(6)与镇压辊安装柱(7)并排安装在横梁(4)下方，所述镇压辊安装柱(7)固定于开畦沟犁安装柱(6)的后方。
3.根据权利要求2所述开沟仿形气力式蔬菜精量播种机，其特征在于：所述气力单元包括风泵支架(9)，所述风泵支架(9)安装于前梁(2)上方，所述风泵支架(9)上方固定有风泵(10)，所述风泵(10)的一端固定有第二带轮(11)，所述风泵支架(9)内部固定有驱动轴(8)，所述驱动轴(8)的一端固定有第一带轮(12)，所述第一带轮(12)通过皮带与第一带轮(11)连接。
4.根据权利要求2所述开沟仿形气力式蔬菜精量播种机，其特征在于：所述开畦沟整形单元包括镇压整形辊(26)、螺栓(28)和限位螺栓(30)，所述前梁(2)下方固定有多个松土铲(27)，所述开沟犁安装柱(6)的另一端固定有开畦沟犁(29)，所述开畦沟犁(29)通过螺栓(28)和限位螺栓(30)与开沟犁安装柱(6)连接，所述镇压整形辊(26)的两端均固定于镇压辊安装柱(7)上。
5.根据权利要求4所述开沟仿形气力式蔬菜精量播种机，其特征在于：所述仿形单元包括多个弹簧(13)、平行四连杆(14)和限位螺柱(15)，所述平行四杆架(14)的一侧横向均匀固定于后梁(3)上，所述平行四杆架(14)的另一侧横向均匀固定于排种单元上，所述弹簧(13)的一端固定于平行四连杆(14)上，所述弹簧(13)的另一端固定有转轮(16)，所述转轮(16)通过限位螺柱(15)与弹簧(13)连接。
6.根据权利要求5所述开沟仿形气力式蔬菜精量播种机，其特征在于：所述排种单元包括排种器单体支架(21)，所述排种单元通过排种器单体支架(21)与平行四连杆(14)连接，所述排种器单体支架(21)上方固定有多个排种器(19)，所述排种器(19)上方并排设置有正压管道(17)和负压管道(18)，所述正压管道(17)和负压管道(18)均与排种器(19)相连通，所述排种器(19)的一侧安装有第一链轮(20)，所述排种器单体支架(21)下方固定有多个镇压轮轴(24)，所述镇压轮轴(24)的一端通过第二链轮(22)与排种器单体支架(21)连接，所述第二链轮(22)通过链条与第一链轮(20)连接，所述镇压轮轴(24)的另一端固定有镇压轮(23)，所述排种器单体支架(21)下方固定有多个双圆盘开沟器(25)，所述双圆盘开沟器(25)设置于镇压轮(23)与镇压整形辊(26)之间。
7.根据权利要求4所述开沟仿形气力式蔬菜精量播种机，其特征在于：所述镇压整形辊(26)包括沟型镇压部分(31)和厢面镇压部分(32)，所述沟型镇压部分(31)设置于厢面镇压部分(32)的两端。
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