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文中介绍了新的更加实用的制动规则,并将它与当前的要求进行了对比。报告了在WABCO 170C Haulpak卡车上,对块式制动器(Shoebrake)进行的一系列制动性能试验。试验结果表明:基于静力矩而设计的制动系统是不可取的,因为它对10％坡度是以在平直道路上作的等效停车试验是不符合实际的,并且为了保证类似的瓦衬均具有较好的制动效果,还须对它们进行试验。文中还讨论了块式制动器、马达圆盘制动器(motor speeddisc brake)及轮胎圆盘制动器(wheel speed disc brake)的优缺点。
The article introduces a new, more practical braking rule and compares it with current requirements. Reported on a series of brake performance tests on a Shoebrake on a WABCO 170C Haulpak truck. The test results show that a braking system based on static moment is not advisable because it is not practical for an equivalent parking test on a straight road to a 10% gradient and to ensure a similar lining All have better braking effect, they must also be tested. The article also discusses the advantages and disadvantages of block brakes, motor speed disc brakes and wheel speed disc brakes.