液压

Its composition and work principle are explained. Three problems existing in fully hydraulic brake system, brake pedal rebound and sudden braking, no inching braking; sudden power failure during traveling; spool seizure in fluid feeding valve and brake pump blasting, are analyzed. Concrete improvement measures are suggested.

论述了全液压制动系统的组成及工作原理，就全液压制动系统容易出现的以下三种问题：制动踏板反弹及制动剧烈，无点刹；行走过程中突然失去动力；充液阀阀芯卡死、制动泵炸裂进行了分析，并提出了具体的改进方案。

This design proposal adds the arresting gear on the water pumpvehicle, on the pump vehicle's disc brake paired mounting in theorbital both sides, the disc brake needs the pressure oil to usethe hydraulic pressure station supplies which installs in the pumpvehicle, uses the hydraulic pressure to open, not when pressure thesmall dish shape spring applies the brake, to use holds the axlebrake way.

论文编号：JX244所有图纸，外文翻译。论文字数：54119。页数：101本设计方案在水泵车上加制动装置，泵车上的盘式制动器成对安装于轨道两侧，盘式制动器所需压力油用在泵车安装的液压站供给，采用液压打开，无压时碟形弹簧制动，采用抱轨制动方式。

The specific tasks are divided into four parts as following: Firstly, the paper points that the researching and analyzing focuses of hydraulic system are gear pump, hydraulic cylinder and calculation of thermal balance after describing the loader's status at home and abroad, and hydraulic system principle of type of 951Ⅲ.

本文所做的具体工作可以分为以下四个部份：一、本文在介绍国内外装载机发展现状和951Ⅲ型装载机液压系统的基础上，重点分析并确定本论文研究的重点放在液压系统动力元件、执行元件和热平衡计算。

Cited Pistons pull vent valve 10-valve piston cited the role of pulling out are seized cylinder piston rod, when its mild in China emerged after the main hydraulic cylinder rod cavity and there is no cavity under the pressure dropped, so that the main hydraulic cylinder in motion the process of increasing resistance to the main pump to increase the load, resulting in engine speed when pumping declining situation.

3活塞引拔阀内泄活塞引拔阀10的作用是拉出检缸活塞杆，当其出现轻度内泄后，主液压缸无杆腔和有杆腔的压差下降，使主液压缸动作过程中阻力增加，使主泵负荷加大，导致泵送时出现发动机转速下降的现象。

Currently has a four-post type, frame type, single column, such as horizontal structure, the production of generic products include hydraulic machine, single-action hydraulic sheet metal punching machine, double-acting hydraulic press sheet tensile, hydraulic head machines, metal extrusion hydraulic machine, a dedicated hydraulic motor manufacturing machines, automotive hydraulic press dedicated motorcycle parts, Rubber and Plastic Products hydraulic machines, hydraulic squeeze casting machine, hydraulic press powder products, calibration of hydraulic pressure capacity and the kinds of non-standard machine, hydraulic equipment and production lines, such as twenty series of more than more than 300 species, an annual production capacity of various types of hydraulic press 400 Product Units / 2600 tons of production capacity.

目前已形成四柱式、框架式、单柱式、卧式等各类结构形式，所生产产品包括通用液压机、单动薄板冲压液压机、双动薄板拉伸液压机、液压打头机、金属挤压液压机、电机制造类专用液压机、汽车摩托车零部件专用液压机、橡塑制品液压机、挤压铸造液压机、粉末制品液压机、校正压装机以及各种非标液压机、液压设备和生产流水线等二十余个系列三百多个品种，形成年产各类液压机产品400台／2600吨的生产能力。

When high-strength sheet metal straightening,it will have a Turtle phenomenon,its process control model is obviously inadequate hydraulic pressing,the Shaft of straightening machine Often broken and the work of roller bearings damage Frequently.so it is necessary for the fuel tank pressure,displacement and the roll rotation of the motor current,torque drive signal for analysis.

当矫直高强度薄板时，会产生龟背现象，其工艺控制模型中液压压下明显不足和矫直机传动轴经常断，工作辊轴承经常损坏问题，于是很必要对液压缸压力，位移和各辊的电动机转数，电流，传动扭矩信号进行分析。

This article mainly introduced the city guard rail sweeps clear the vehicle in the development present situation and the present technology insufficiency, has analyzed the domestic formation product technical characteristic and the good and bad points, obtains the present water spray vehicle chassis situation through the contrast, then chooses this design through the analysis comparison each kind of plan, for instance said obtains the hydraulic transmission through the crosswise comparison to teach the mechanical drive the merit, then the further showing hydraulic transmission plan arrangement, obtains the entire wrap equipment on vehicle scheme of arrangement through the analogy, but also absorbs a present more advanced position to correct an error the system.

购买设计，请点击这里和我们直接沟通 QQ：95343510摘要：本文主要介绍了城市护栏清扫车的发展现状和目前技术上的不足，分析了国内成型产品的技术特点和优缺点，通过对比得到目前洒水车的底盘情况，然后通过分析比较选择该设计的各种方案，比如说通过横向比较得出液压传动教机械传动的优点，然后更进一步说明液压传动的方案布置，通过类比得出整套装置在车上的布置方案，还吸收了目前较为先进的位置纠偏系统。

Production equipment has a large bending machine, automatic submerged arc welding machine commissure, automatic oblique cutting machine, rail-cutting machine, profile cutting machine, large bending machine, air plasma arc cutting machine, electro-hydraulic bending machine, Hydraulic Shearing Machine, Steel Tube Straightening Machine, leveler machine, beam-line hoist, magnetic detector, as well as welding machine, welding machine automatic protection EWGA Germany and other advanced welding equipment.

生产设备配套有大型折弯机、自动合缝埋弧焊机、自动斜剪机、轨道式切割机、仿形切割机、大型弯管机、空气等离子弧切割机、电动液压弯管机、液压剪板机、钢管校直机、矫平机、梁式行吊、磁粉探伤仪，还有氩弧焊机、德国EWGA自动保护焊机等先进的焊接设备。

For the construction industry the extensive product program comprises construction cranes, truck and mobile cranes, crawler cranes, hydraulic excavators and hydraulic rope excavators, wheel loaders, crawler tractors and loaders, mining trucks, concrete mixing plant and truck mixers; liebherr''s products for cargo handling include ship, offshore, container and mobile dock cranes; the machinery and plant range encompasses machine tools, material flow technology and engineering projects; the aircraft equipment comprises landing gear, actuation and air-management systems; transport technology equipment comprising air conditioner for tran rapid in shanghai and other trains; in the domestic appliances area, liebherr specializes in refrigerators and freezers, with a range of more than 300 principal models.

用于建筑工业的产品有塔式起重机、轮胎式和汽车式起重机、履带式起重机、液压挖掘机和液压钢绳式挖掘机、轮式装载机、履带式推土机和履带式装载机、矿用自卸车、混凝土搅拌站和搅拌运输车等；利勃海尔用于货物转运的产品包括船用、钻井平台、集装箱式起重机；机械加工和工厂建设方面有机床、物流设备和工程项目；航空设备包括起落架、作动器和空气调节与管理系统、运输技术准备主要包括上海磁悬浮列车和其他火车用的空调器等；家用电器方面，利勃海尔专业生产基本型号达300余种的冷冻与冷藏设备。

For the construction industry the extensive product program comprises construction cranes, truck and mobile cranes, crawler cranes, hydraulic excavators and hydraulic rope excavators, wheel loaders, crawler tractors and loaders, mining trucks, concrete mixing plant and truck mixers; Liebherrs products for cargo handling include ship, offshore, container and mobile dock cranes; the machinery and plant range encompasses machine tools, material flow technology and engineering projects; the aircraft equipment comprises landing gear, actuation and air-management systems; transport technology equipment comprising air conditioner for Tran rapid in Shanghai and other trains; in the domestic appliances area, Liebherr specializes in refrigerators and freezers, with a range of more than 300 principal models.

用于建筑工业的产品有塔式起重机、轮胎式和汽车式起重机、履带式起重机、液压挖掘机和液压钢绳式挖掘机、轮式装载机、履带式推土机和履带式装载机、矿用自卸车、混凝土搅拌站和搅拌运输车等；利勃海尔用于货物转运的产品包括船用、钻井平台、集装箱式起重机；机械加工和工厂建设方面有机床、物流设备和工程项目；航空设备包括起落架、作动器和空气调节与管理系统、运输技术准备主要包括上海磁悬浮列车和其他火车用的空调器等；家用电器方面，利勃海尔专业生产基本型号达300余种的冷冻与冷藏设备。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。