本文選題：果樹(shù)種植 + 挖坑混肥回填一體機(jī)　； 參考：《山東農(nóng)業(yè)大學(xué)》2017年碩士論文

【摘要】：我國(guó)是園林果樹(shù)種植大國(guó),傳統(tǒng)的園林果樹(shù)種植中挖坑、混肥、填肥過(guò)程,機(jī)械化程度低,技術(shù)粗糙。目前我國(guó)的園林果樹(shù)種植機(jī)械主要是植樹(shù)挖坑機(jī),只有挖坑功能,功能單一,不具備機(jī)械混肥和機(jī)械回填功能,更不能實(shí)現(xiàn)園林果樹(shù)種植的挖坑、混肥、回填的機(jī)械化一體操作。本文設(shè)計(jì)了一款適用于園林果樹(shù)的“原位挖坑混肥回填一體機(jī)”,提供園林果樹(shù)種植過(guò)程的挖坑、混肥、回填的機(jī)械化一體式設(shè)計(jì),實(shí)現(xiàn)園林果樹(shù)種植過(guò)程的“挖坑、混肥、回填”的機(jī)械化連續(xù)性運(yùn)作。該機(jī)械在混肥過(guò)程中有機(jī)肥料和土壤的混合均勻度非常高,最大程度發(fā)揮有機(jī)肥料的效用。本文的研究對(duì)我國(guó)果樹(shù)生產(chǎn)有著重大意義,實(shí)現(xiàn)了園林果樹(shù)種植過(guò)程的高度機(jī)械化,極大的提高果農(nóng)種植果樹(shù)的效率,減輕勞動(dòng)力,提高果樹(shù)產(chǎn)量,增加果農(nóng)的經(jīng)濟(jì)效益。本文研究的原位挖坑混肥回填一體機(jī)的機(jī)械結(jié)構(gòu)設(shè)計(jì)包括機(jī)架、作業(yè)動(dòng)力設(shè)備、機(jī)身升降系統(tǒng)、作業(yè)升降裝置、行走系統(tǒng)和作業(yè)裝置。通過(guò)對(duì)作業(yè)裝置的三維模型進(jìn)行EDEM仿真,來(lái)測(cè)定作業(yè)裝置作業(yè)的物料混合均勻度。在EDEM中創(chuàng)建取樣設(shè)備的三維模型進(jìn)行取樣運(yùn)動(dòng)仿真,模擬原位挖坑混肥回填一體機(jī)的物料混合均勻度試驗(yàn)的取樣過(guò)程。對(duì)完成EDEM取樣運(yùn)動(dòng)仿真的混合物料顆粒劃分網(wǎng)格,進(jìn)行物料混合均勻度的分析。原位挖坑混肥回填一體機(jī)完成加工后,設(shè)計(jì)原位挖坑混肥回填一體機(jī)的物料混合均勻度試驗(yàn),設(shè)計(jì)一款原位挖坑混肥回填一體機(jī)的物料混合均勻度試驗(yàn)的取樣設(shè)備。先用原位挖坑混肥回填一體機(jī)完成挖坑混肥回填的機(jī)械化作業(yè)。然后將取樣盒取出,統(tǒng)計(jì)取樣盒中的有機(jī)肥料顆粒數(shù),按照高轉(zhuǎn)速和低轉(zhuǎn)速進(jìn)行分階段試驗(yàn),按照不同的作業(yè)時(shí)間每階段依次進(jìn)行5次試驗(yàn),對(duì)原位挖坑混肥回填一體機(jī)的物料混合均勻度試驗(yàn)數(shù)據(jù)進(jìn)行分析,并與EDEM仿真試驗(yàn)結(jié)果進(jìn)行對(duì)比,得出原位挖坑混肥回填一體機(jī)的物料混合均勻度評(píng)價(jià)。仿真分析及原位挖坑混肥回填一體機(jī)物料混合均勻度試驗(yàn)表明:在不同轉(zhuǎn)速下,作業(yè)裝置的混肥功能對(duì)有機(jī)肥料在土壤中的混合均勻度有不同影響;混肥時(shí)間不同也會(huì)對(duì)有機(jī)肥料在土壤中的混合均勻度產(chǎn)生不同的影響。
[Abstract]:Our country is a big country of garden fruit tree planting. The traditional garden fruit tree planting pit, mixed fertilizer, filling process, low degree of mechanization, rough technology. At present, the planting machinery of garden fruit trees in our country is mainly a pothole digging machine. It has only the function of digging holes and has a single function. It does not have the functions of mechanical fertilizer mixing and mechanical backfilling, nor can it realize the digging and mixing of fertilizer for planting garden fruit trees. The mechanical operation of backfill. In this paper, a "in-situ digging pit mixed fertilizer backfill machine" suitable for garden fruit trees is designed, which provides the mechanized integrated design of digging pit, mixed fertilizer and backfilling in the planting process of garden fruit trees, and realizes the "digging pit, mixed fertilizer" in the planting process of garden fruit trees. Backfill "mechanized continuous operation." The mixing uniformity of organic fertilizer and soil is very high in the process of fertilizer mixing, and the effect of organic fertilizer is maximized. The research in this paper is of great significance to the production of fruit trees in China. It has realized the high mechanization of the planting process of garden fruit trees, greatly improved the efficiency of planting fruit trees by fruit growers, lightened the labor force, increased the output of fruit trees and increased the economic benefits of fruit growers. In this paper, the mechanical structure design of the in-situ excavating fertilizer backfill machine includes the frame, the working power equipment, the fuselage lifting system, the working lifting device, the walking system and the operating device. Through the EDEM simulation of the 3D model of the operating device, the material mixing uniformity of the operation device is measured. The 3D model of sampling equipment was created in EDEM to simulate the sampling motion, and the sampling process of the material mixing uniformity test of the in-situ excavator was simulated. The mixture particles which are simulated by EDEM sampling motion are meshed and the mixture uniformity is analyzed. After finishing the processing of the in-situ excavating pit mixed fertilizer backfill machine, the material mixing uniformity test of the in-situ excavating pit mixed fertilizer backfill machine was designed, and a sampling equipment for the material mixing uniformity test of the in-situ excavating pit mixed fertilizer backfill machine was designed. First, the mechanized backfilling operation of excavating pit mixed fertilizer was completed by using the one-body machine of in-situ excavating and mixing fertilizer backfilling. Then the sampling box was taken out and the number of organic fertilizer particles in the sampling box was counted. The experiments were carried out in stages according to the high and low rotational speed, and five times in turn according to the different operation time. The test data of material mixing uniformity of in-situ excavator are analyzed, and compared with the results of EDEM simulation test, the evaluation of material mixing evenness of in-situ excavator is obtained. The results of simulation analysis and in-situ backfilling test showed that the mixing function of the plant had different effects on the mixing uniformity of organic fertilizer in soil under different rotational speeds. Different mixing time also had different effects on the homogeneity of organic fertilizer in soil.
【學(xué)位授予單位】：山東農(nóng)業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：S223

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 婁玉印;劉光浩;;新型香蕉挖坑機(jī)器人的結(jié)構(gòu)設(shè)計(jì)與性能分析[J];農(nóng)機(jī)化研究;2017年09期

2 馬麗娜;王警梁;宗望遠(yuǎn);黃小毛;馮軍;;手提式挖坑機(jī)開(kāi)合螺母式自動(dòng)進(jìn)給機(jī)構(gòu)的設(shè)計(jì)與試驗(yàn)[J];農(nóng)業(yè)工程學(xué)報(bào);2017年04期

3 楊勇;吳亞丹;龔四海;;混料機(jī)混料效果的離散模擬[J];水泥工程;2016年03期

4 楊勇;吳亞丹;龔四海;;基于EDEM數(shù)值模擬的混料機(jī)結(jié)構(gòu)優(yōu)化[J];新世紀(jì)水泥導(dǎo)報(bào);2016年01期

5 周重凱;黃亞宇;李俏;倪立;;基于EDEM和ANSYS Workbench加料機(jī)混料過(guò)程的研究[J];新技術(shù)新工藝;2015年07期

6 陸建;繆明;盧少穎;陳臣;;車(chē)載植樹(shù)挖坑機(jī)研究設(shè)計(jì)與試驗(yàn)[J];中國(guó)農(nóng)機(jī)化學(xué)報(bào);2014年06期

7 王宇欣;王越;劉志丹;;沼渣制備有機(jī)-無(wú)機(jī)顆粒肥物料的造粒工藝特性研究[J];農(nóng)業(yè)機(jī)械學(xué)報(bào);2015年01期

8 樸順男;張青松;劉宏博;周洋;廖慶喜;;基于EDEM的雙翼式深松鏟設(shè)計(jì)與仿真試驗(yàn)[J];廣東農(nóng)業(yè)科學(xué);2014年16期

9 苑進(jìn);劉勤華;劉雪美;張?zhí)?張曉輝;;配比變量施肥中多肥料摻混模擬與摻混腔結(jié)構(gòu)優(yōu)化[J];農(nóng)業(yè)機(jī)械學(xué)報(bào);2014年06期

10 黃偉;婁玉印;韋寧;楊龍寶;鄭廣平;;行走式植樹(shù)挖坑機(jī)的工作原理及結(jié)構(gòu)分析[J];農(nóng)機(jī)化研究;2013年02期

相關(guān)博士學(xué)位論文 前2條

1 羅勇;土工問(wèn)題的顆粒流數(shù)值模擬及應(yīng)用研究[D];浙江大學(xué);2007年

2 孟慶華;深植挖坑機(jī)鉆頭動(dòng)態(tài)過(guò)程數(shù)學(xué)描述與仿真研究[D];東北林業(yè)大學(xué);2007年

相關(guān)碩士學(xué)位論文 前10條

1 王警梁;自動(dòng)進(jìn)給挖坑機(jī)設(shè)計(jì)與參數(shù)化研究[D];華中農(nóng)業(yè)大學(xué);2016年

2 劉勤華;肥料顆粒流摻混與時(shí)滯排肥模型及預(yù)測(cè)控制研究[D];山東農(nóng)業(yè)大學(xué);2015年

3 韓楓欽;混料機(jī)的關(guān)鍵技術(shù)參數(shù)及內(nèi)部流場(chǎng)模擬分析[D];鄭州大學(xué);2015年

4 姜鵬;基于離散元法的碾米機(jī)三維仿真分析[D];東北農(nóng)業(yè)大學(xué);2013年

5 黃亞光;挖坑機(jī)執(zhí)行機(jī)構(gòu)動(dòng)力學(xué)分析及參數(shù)研究[D];中南大學(xué);2012年

6 邱忠財(cái);基于顆粒離散元法的分散混合數(shù)值模擬[D];華南理工大學(xué);2012年

7 陸銳;立式干燥機(jī)的設(shè)計(jì)及其干燥單元風(fēng)速場(chǎng)的研究[D];華中農(nóng)業(yè)大學(xué);2012年

8 楊杰;基于DEM的立式干燥機(jī)顆粒流仿真模擬研究[D];華中農(nóng)業(yè)大學(xué);2012年

9 韓大勇;果樹(shù)挖坑定量施肥機(jī)的研制[D];山東農(nóng)業(yè)大學(xué);2011年

10 趙忠松;挖坑機(jī)鉆頭有限元分析和懸掛機(jī)構(gòu)運(yùn)動(dòng)仿真[D];西北農(nóng)林科技大學(xué);2010年

，

本文編號(hào)：2046962