The key problem of design of inertia brake test rigs is the simulation of inertia load 慣性制動(dòng)器試驗(yàn)臺設(shè)計(jì)的關(guān)鍵問題是慣性負(fù)載的模擬。
For the success of development of inertia brake test rigs , the effective means of product check and test of kinds of property of inertia brake is provided , and the data 慣性制動(dòng)器試驗(yàn)臺的研制成功為慣性制動(dòng)器產(chǎn)品的檢測、各種性能的測試提供了有效的手段,同時(shí)也為改進(jìn)產(chǎn)品性能提供了數(shù)據(jù)依據(jù),為新產(chǎn)品或新改進(jìn)的產(chǎn)品提供了試驗(yàn)平臺。
In the system of “ direct measurement ” of inertia brake , the braking torque is measured by the right torque sensor of inertia brake . in the thought of special construct of inertia brake , the work braking test data of inertia brake is analyzed , mathematic differential equation is founded , the variable situation of braking torque is analyzed through program calculation , some problem is discovered and suggestion is put forward to the application of test rigs and inertia brake 在慣性制動(dòng)器的“直接測量”系統(tǒng)中,用慣性制動(dòng)器右端的扭矩傳感器來測量制動(dòng)力矩的,考慮到慣性制動(dòng)器特有的結(jié)構(gòu),對慣性制動(dòng)器工作制動(dòng)試驗(yàn)數(shù)據(jù)進(jìn)行分析,建立了數(shù)學(xué)微分方程,通過編程計(jì)算分析了制動(dòng)力矩的變化情況,發(fā)現(xiàn)了問題并對試驗(yàn)臺和慣性制動(dòng)器的應(yīng)用提出了改進(jìn)建議。
This article takes the lagrange equation as the principle , establishes mathematics modeling to the inertia brake vibration when it brakes , then simulates it with matlab . this paper educed the relation equations between , which are the inertia brake ' s friction coefficient of the brake ring and the friction disk , the mean radius , the braking force , rotation inertia of the driving top and the spline shaft , spiral climbing angle of the brake ' s concave - convex helicoid , the mean effort radius of the concave - convex helicoid , elasticity coefficient of the spring , quality of the driving top and the spline shaft , rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft , suppresses sleeve . provides the theory basis for the inertia brake structure optimization 本文以拉格朗日方程為理論基礎(chǔ),對慣性制動(dòng)器在制動(dòng)時(shí)的振動(dòng)進(jìn)行數(shù)學(xué)建模,然后用matlab對其進(jìn)行仿真,得出了慣性制動(dòng)器在制動(dòng)時(shí)振動(dòng)角頻率分別與制動(dòng)環(huán)和摩擦片之間的摩擦系數(shù)、制動(dòng)力的平均半徑、主動(dòng)頂和花鍵軸的轉(zhuǎn)動(dòng)慣量、慣性制動(dòng)器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數(shù)、主動(dòng)頂和花鍵軸的質(zhì)量、慣性制動(dòng)器除主動(dòng)頂和花鍵軸外其他部分的轉(zhuǎn)動(dòng)慣量和、頂壓套的質(zhì)量等慣性制動(dòng)器各零部件的物理參數(shù)之間的關(guān)系,為慣性制動(dòng)器的結(jié)構(gòu)優(yōu)化提供了理論依據(jù)。
The inertia brake is a new kind of braking device , which is designed according to the inertia - brake principle , and it integrates brake , shaft coupling and can interconvert between them . as a result of its unique dynamic windproof function , it is applied in the harbor machinery more and more widely 慣性制動(dòng)器是根據(jù)慣性制動(dòng)原理設(shè)計(jì)的,融制動(dòng)器、聯(lián)軸節(jié)以及二者相互轉(zhuǎn)換功能于一體的新型制動(dòng)裝置,由于其獨(dú)特的動(dòng)態(tài)防風(fēng)功能,使它在港口機(jī)械中應(yīng)用越來越廣泛。