需要金幣： 1000 個金幣 |
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| 轉(zhuǎn)換比率：金額 X 10=金幣數(shù)量， 例100元=1000金幣 | 論文字?jǐn)?shù)：16492 |  | |
| 折扣與優(yōu)惠：團(tuán)購最低可5折優(yōu)惠 - 了解詳情 | 論文格式：Word格式(*.doc) |  |
摘 要:自行車，又稱腳踏車或單車，以腳踏板傳動為動力，是人們?nèi)粘３鲂械木G色環(huán)保交通工具，使用最廣。當(dāng)自行車制動以后速度很慢，行駛不穩(wěn)定，當(dāng)再次驅(qū)動的時候又不像汽車和電動車一樣靠發(fā)動機(jī)和電驅(qū)動，人需要花費很大的力，感覺會很吃力，原因是慣性力的存在破壞了力的平衡，要解決此問題就要盡快提高行駛速度，而從低速作加速運動時，則需要做更大的功。 本設(shè)計主要介紹了兩種在普通26英寸自行車上進(jìn)行改造，裝上助力驅(qū)動裝置的方案。方案一，通過曲柄連桿滑塊機(jī)構(gòu)，將自行車輪胎變形所產(chǎn)生的力傳遞給輪軸從而帶動后輪轉(zhuǎn)動減少人所產(chǎn)生的驅(qū)動力。方案二，通過帶傳動和齒輪傳動，將制動力儲存起來，啟動時通過單向離合器傳動給車輪帶動車輪轉(zhuǎn)動。 本設(shè)計通過CaTiaV5三維繪圖軟件進(jìn)行實體設(shè)計，采用較為簡單的機(jī)構(gòu)安裝在車輪跟車架上，輕便，拆裝容易，現(xiàn)市場上還沒有此項裝置，擁有較好的發(fā)展前景。 關(guān)鍵詞：自行車助力驅(qū)動裝置；機(jī)械原理；機(jī)械設(shè)計；CaTiaV5
ABSTRACT:Bicycle, bicycle or bike to say again, pedal transmission power, is the green traffic tool of daily out, the most widely used. When the bicycle brake after the speed is very slow, running unstable, when once again driven and not cars and electric cars driven by engine and electricity, people need to spend a great deal of force, will feel sweaty, reason is inertia force of the destruction of the balance of forces, to solve this problem we must as soon as high running speed, and from the low speed accelerated motion, you need to do more work. This paper introduces the design of two kinds of transformation in common 26 inch bicycle, mounted on the power device scheme. Scheme, through the crank and connecting rod mechanism, the bicycle tire deformation force is transferred to the shaft so as to drive the rear wheels to rotate to reduce the driving force generated by the people. Scheme two, through a belt drive and gear drive, the braking force will be stored, started by a one-way clutch transmission to the wheels drive the rotation of the wheels. The design of physical design through 3D CaTiaV5 software, using a simpler mechanism is mounted on the wheel and frame, lightweight, easy disassembly, now on the market is not the device, has good prospects for development. Key words: bicycle boosting driving device; mechanism; machinery design; CaTiaV5 |
