连杆

Cylinder wall and piston are lubricated by the engine oil sprayed out of the engine oil cooling spraying hook located on auxiliary oil passage of cylinder block; piston pin is lubricated by the lubricant collected in the hole drilled on top of connecting rod small end.

气缸壁和活塞通过位于气缸体副油道上的机油冷却喷钩喷油润滑，活塞销由连杆小头顶部钻孔集油润滑。

Firstly, the piston pin boss bearing, the piston pin and the connecting rod small end bearings were taken as a whole system, and the fourth-order Runge-Kutta method was used to solve the rotation speed of the piston pin operating in hydrodynamic lubrication.

首先，将活塞销孔轴承与活塞销及连杆小头轴承作为一个系统，利用四阶的龙格库塔方法求解了活塞销在流体润滑状态下的转动速度。

In diesel engine cylinder, the piston part of the cycle in the compressed gases, and in another part of the work cycle of the combustion gas mixture within the cylinder so the piston top surface expansion high pressure (about 116 ~ 120Kgf/cm2)°under high temperature (about 569°C) gas role, and the pressure through the piston pin, connecting rod to the crankshaft.

在柴油机气缸内，活塞在一部分工作循环压缩气体，而在另一部分工作循环气缸内混合气体燃烧膨胀使活塞顶面承受高温（约569°C）高压（约116～120Kgf/cm2）气体的作用，并把压力通过活塞销、连杆传给曲轴。

The frequency characteristics of instant- taneous signal of main abnormalities in diesesl engines,including valve sound, piston pin sound,connecting rod bearing sound and sound from the main bearing of crankshaft are analyzed.

从使用角度出发，采用频域分析法，分析了柴油机中气门、活塞销、连杆轴承、曲轴主轴承等部位主要异响的瞬态信号频率特征。

The main scope of application: Diamond Cutter welding, carbide saw blades, machining with carbide tools of welding, such as diamond tools, drill, tools, planing, milling cutter, reamer, such as welding and cutting tools; standard parts , bolts of hot upsetting, such as high strength bolts, nuts, etc.; hardware tools, hand tools, heat treatment, such as pliers, wrenches, rotary tools, hammers, axes; all kinds of automobile fittings, motorcycle fittings of high-frequency quenching treatment, such as : crankshaft, connecting rod, piston pin, crank pin, sprocket, camshaft, valves, all kinds of rocker arm, rocker shaft; gearbox various gears, spline shaft, axle bronchitis, all kinds of small shafts, high-frequency quenching, such as various fork of the handle; metal parts of the heat treatment, such as a variety of gears, chain wheel, the wheels, vibrating screen, a variety of shaft, spline shaft, and marketing of high-frequency quenching treatment, etc.; machine tool machine tool industry bed rail, such as the quenching treatment.

主要适用范围：金刚石刀头的焊接，硬质合金锯片、机械加工用硬质合金刀具的焊接，如金刚石刀具、钻具、车刀、刨刀、铣刀、铰刀等刃具的焊接；标准件、螺栓的热镦，如高强度螺栓、螺帽等；五金工具、手工工具的热处理，如钳子、扳手、旋具、锤子、斧头；各种汽车配件、摩托车配件的高频淬火处理，如：曲轴、连杆、活塞销、曲柄销、链轮、凸轮轴、气门、各种摇臂、摇臂轴；变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理；金属零件的热处理，如各种齿轮、链轮、行车轮、振动筛、各种轴、花键轴、销等的高频淬火处理；机床行业的机床床面导轨的淬火处理等。

The main scope of application: Diamond Cutter welding, carbide saw blades, machining with carbide tools of welding, such as diamond tools, drill, tools, planing, milling cutter, reamer, such as welding and cutting tools; standard parts , bolts of hot upsetting, such as high strength bolts, nuts, etc.; Hardware tools, hand tools, heat treatment, such as pliers, wrenches, rotary tools, hammers, axes; a variety of auto parts, motorcycle accessories, high-frequency quenching treatment, such as : crankshaft, connecting rod, piston pin, crank pin, sprocket, camshaft, valves, all kinds of rocker arm, rocker shaft; gearbox various gears, spline shaft, axle bronchitis, all kinds of small shafts, high-frequency quenching, such as various fork of the handle; metal parts heat treatment, such as a variety of gears, sprocket, all kinds of shaft, spline shaft, and marketing of high-frequency quenching treatment, etc.; machine tool industry machine bed rails of Quenching disposal.

主要适用范围：金刚石刀头的焊接，硬质合金锯片、机械加工用硬质合金刀具的焊接，如金刚石刀具、钻具、车刀、刨刀、铣刀、铰刀等刃具的焊接；标准件、螺栓的热镦，如高强度螺栓、螺帽等；五金工具、手工工具的热处理，如钳子、扳手、旋具、锤子、斧头；各种汽车配件、摩托车配件的高频淬火处理，如：曲轴、连杆、活塞销、曲柄销、链轮、凸轮轴、气门、各种摇臂、摇臂轴；变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理；金属零件的热处理，如各种齿轮、链轮、各种轴、花键轴、销等的高频淬火处理；机床行业的机床床面导轨的淬火处理等。

According to the acoustic model of piston slap noise, how the parameters affect the piston slap noise at different rotate speed was discussed. And those parameters were piston clearance, piston pin offset, connect rod ratio, piston skirt stiffness, crank shaft offset, height of piston's gravity center, total length of piston skirt, vertical position of piston-pin axis and under part length of piston skirt.

借助建立的活塞拍击噪声理论声学模型，深入探讨了配缸间隙、活塞销偏移量、连杆比、活塞裙部刚度、曲轴轴线偏移量、活塞质心高度、活塞裙部总长度、活塞销轴线竖直方向位置和活塞裙部下段长度等主要影响参数在不同的转速下对活塞拍击噪声的影响规律，初步总结出活塞低拍击噪声设计和改进的基本规律。

Such as: crankshaft, connecting rod, piston pin, crank pin, sprocket, camshaft, valves, all kinds of rocker arm, rocker shaft; gearbox various gears, spline shaft, axle bronchitis, all kinds of small axis various fork and other high-frequency quenching treatment.

曲轴、连杆、活塞销、曲柄销、链轮、凸轮轴、气门、各种摇臂、摇臂轴；变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理。

In "I have no people, who have my spirit" of the work of the numerous ideas for bearings and piston rings, piston pin, the valve seat, connecting rod, disc, simultaneously, friction film, magnetic materials, and other industries to provide large quantities of high Accuracy, precision double-face grinder.

本着&人无我有，人有我精&的工作思路为全国众多轴承和活塞环、活塞销、气门座、连杆、阀板、同步器、摩擦片、磁性材料等行业提供大批量高精度、精密双端面磨床。

The e-Valve system developed by Valeo, a French automotive supplier, uses electromagnetic controls to open and shut valves instead of pushrods operated by a camshaft.

一个法国的汽车配件商 Valeo 开发出一种称作 e-阀的系统。它使用电磁控制气门的开关，而非传统的曲轴连杆。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。