機(jī)械設(shè)計題目：帶式運(yùn)輸機(jī)傳動系統(tǒng)中的展開式二級圓柱齒輪減速器
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- 機(jī)械設(shè)計題目：帶式運(yùn)輸機(jī)傳動系統(tǒng)中的展開式二級圓柱齒輪減速器齒輪箱作為一種基礎(chǔ)設(shè)備，被廣泛應(yīng)用，其性能優(yōu)劣直接影響著機(jī)械設(shè)備的運(yùn)行狀況。而目前許多工廠尚不具備制造高精度齒輪箱的加工設(shè)備。另一方面，再好的設(shè)備加工出的零件也存在誤差，其累積誤差仍會影響齒輪箱裝配后的傳動性能。本文提出的無側(cè)隙傳動技術(shù)，從新的角度提出了在設(shè)備條件不足的情況下，利用主副齒輪來實(shí)現(xiàn)飛剪機(jī)的無側(cè)隙傳動。“零側(cè)間隙嚙合”是：在盡量周到地考慮飛剪機(jī)工作條件下，將齒輪加工成在某一特定狀態(tài)（例如溫度，軸承游隙等）為“零側(cè)間隙嚙合”，事實(shí)上并非沒有側(cè)隙,只能說齒輪嚙合的齒側(cè)間隙是很小的。常消除齒隙有很多方法，如提高加工精度，利用圓錐齒輪，四個齒輪串聯(lián)布置機(jī)構(gòu)，利用主副齒輪。本設(shè)計就是采用主副齒輪。在某些飛剪機(jī)上，為了改善上下滾筒同步齒輪的工作性能，被動軸上的齒輪往往采用主副齒輪結(jié)構(gòu)，以便齒輪在無側(cè)隙情況下工作，減少和消除沖擊負(fù)荷。利用主副齒輪則能有效消除齒側(cè)間隙，并且在減速器突然制動時，仍然能實(shí)現(xiàn)無間隙傳動。關(guān)鍵詞: 飛剪機(jī)；減速器；間隙；主副齒輪AbstractReducer is widely used as a basic facility. It’s performance which is excellent or inferior has an impact on the running state of the mechanical equipment. But many factories don’t have machining equipment for manufacturing high-precision reducer at present . On the other hand, even though the part is manufactured by the best equipment, it also has error. And their accumulative errors still affect on the transmission performance of reducer after assembled.No lateral gap technology in this article put forward using main-second gear to achieve no lateral gap transmission of the flying shears at the state of having no adequate equipment by a new way. “No lateral gap ingear” is processing gear to a particular state(such as temperature, bearing clearance, etc.),considering the working conditions as much as possible. But in fact,it’s impossible that the gears have no lateral gap.The laterl gap of the gear is very small. Usually there are many ways to eliminate lateral gap,such as improving the processing accuracy,using bevel gear, using four tandem gears and using main-second gear.This design has used the main-second gear. In some flying shears the running performance of the top and bottom selsyn roller usually can be improved by using main-second gear on the gear of the driven shaft.It can make the gear working at no lateral gap and eliminate shock load. The use of the main-second gear can eliminate lateral gap,and it still can achieve no lateral gap transmission when the reducer is suddenly braked.Key words：Flying shears； Reducer; Lateral gap; Main-second gear 目 錄1 前言 12 研究內(nèi)容 23 傳動方案的分析與擬定 24 電動機(jī)的選擇 2...
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