林區割灌機的結構設計（全套）2012本科畢業設計
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- 林區割灌機的結構設計（全套）2012本科畢業設計摘 要
本設計介紹了一種林區割灌機產品：自走式割灌機。設計中根據林區路面狀況，以及清林撫育的作業情況，而設計出能夠適應林區崎嶇路面及道路狹窄等惡劣環境的自走式割灌機，具有很高的實用性和推廣價值。
該自走式割灌機由行走部分，割灌部分，駕駛臺以及排障部分等組成，可以鋸切加工直徑范圍在10 ～80mm的灌木。整個機器由兩個汽油機提供動力，一個提供行走動力，另一個提供割灌動力。鋸片位于整個機器的前下端，由駕駛臺控制桿控制其離地面高度，以適應林區路面狀況。通過頂部的排障桿使高于機器頂部的灌木倒向預定方向，達到排障目的。該自走式割灌機結構簡單，容易維修，操作簡單。
在文章中，對該自走式割灌機的主要部件進行了設計計算（例如：皮帶輪，軸，軸承，鍵，四連桿等 ），并對主要部件進行了系統的介紹和說明，對使用中涉及到的潤滑，保養及注意事項也作了說明。
關鍵詞：自走式；割灌機；割灌部分；行走部分；駕駛臺；排障桿
Abstract
A self preceded trash breaker, a new forestry machine has been presented in this paper. According to forest road surface conditions, and working situations of clearing fostering trees, the self-propelled brush breaker was designed to adapt to any atrocious environment, such as rugged road surface, narrowness of road and so on. It was highly practicability and generalizing value.
This self-propelled brush breaker is consist of walking port, cutting port，bridge and breaching of obstacles part and can saw brush in diameter range from 10mm to 80mm.The power of whole machine is supplied by two petrol motors, one is for running power，the other is for breaking brush power. Saw blade was under the machine，the control stick on driving stand control its height away from ground to adapt to the forest road surface condition. The bushes that are higher than the machine can be controlled by a pilot bar, which can make bushes fall along the pre-designed direction and get rid of obstacles. This structure of self-propelled brush breaker is simple, is easy to maintain, and is operated easily as well.
The main parts of the self-propelled brush breaker have been compeered and tested in this paper, such as pulley, axes, bearing, bond，four link rods and so on, and the main parts have been introduced and explained systemically, and have lubrication ,maintenance and other matters n related in using.
Key words：Self-propelled； brush breaker； the cutting port；the walking port；bridge,；pilot bar
目 錄
摘要……………………………………………………………………………………………Ⅰ
Abstract……………………………………………………………………………………Ⅱ
第1章緒論……………………………………………………………………………………1
1.1引言……………………………………………………………………………………1
1.2割灌機的應用范圍……………………………………………………………………1
1.3割灌機的發展現狀……………………………………………………………………2
1.4我國割灌機的市場及前景……………………………………………………………6
1.5割灌機的發展方向……………………………………………………………………7
1.6自走式割灌機設計的意義……………………………………………………………8
第2章 結構概述 ………………………………………………………………………… 9
2.1工作原理……………………………………………………………………………… 9
2.2結構分析……………………………………………………………………………… 9
2.3本章小結…………………………………………………………………………… 10
第3章 行走部分設計…………………………………………………………………… 11
3.1 方案的確定…………………………………………………………………………11
3.2 機構選擇……………………………………………………………………………12
3.3 動力選擇……………………………………………………………………………13
3.4 主要設計參數………………………………………………………………………13
3.5本章小結……………………………………………………………………………...
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