四轮拖拉机

小型四轮拖拉机行走式节水灌溉机组的设计研究

Design of water saving irrigation unit of walking type basing on the power of small four wheel tractor

小型四轮拖拉机旱田驱动叶轮的研究

Study on the Vane Wheel of Small Wheeled Tractor for Dryland

论述了在普通四轮拖拉机上加装废气控制装置的技术，设计了一种相配套的计算机安全监测系统。

Paper introduces a technique of the normal four-wheel tractor equipped with exhaust gas controlling device and designs a computer safety monitor system .

着重以FT系列拖拉机为例，阐述了四轮驱动拖拉机的前驱动设计，并介绍了拖拉机整机、主要部件的布置要求及设计参数的选取。

And taking the FT series tractor for example , the design of the front drive , the layout of all main components as well as the selection of design parameters are ( described . )

四轮驱动拖拉机农田作业应用前景探讨

Discussion of the Application Foreground of Four-wheels drive Tractor in Cropland

四轮驱动拖拉机的前驱动布置设计

Design of Front Drive for Four Wheel Drive Tractor

轴间刚性连接的四轮驱动拖拉机动力传递的理论分析

Some theoretical analysis concerning the power transmission of the tractors with four-wheel drive

变型四轮驱动拖拉机超前率优化选择的研究

Research on selecting the best rate of lead for front wheel assist tractor

四轮驱动拖拉机在松软坡地上的阻力分析

Analysis of 4WD tractor resistance on soft slopes

变型四轮驱动拖拉机前后桥切线牵引力比的研究

Research on thrust ratio of front wheels to rear wheels of the front wheel assist tractor

四轮驱动拖拉机的发展，提出了从本质上系统地阐明其动力传递特点的某种理论必要性。而其目的，则不外是为了正确地设计这种拖拉机和合理地使用这种拖拉机。

Due to the development of the tractors with four-wheel drive , there arises the necessity of studying some theory about the features of power transmission , in order to design this type of tractors correctly and use them properly .

本文研究对象为1604型拖拉机前桥桥壳，该前桥既是驱动桥，又是转向桥，是四轮驱动拖拉机的一个重要组成部分，也是影响拖拉机功能和潜力发挥的一个重要因素。

The paper studies on 1604 Tractor Front Axle Housing , the axle is not only a drive axle , but also a steering axle , which is one of important components in four-wheel-drive tractor , and its performance could affect the total capability of the tractor .