查询词典 hydraulic

Hydraulic decoking cutter displacements real time monitoring system is an essential component of programmable control system of hydraulic decoking method in delayed coking unit, which has very important significance for efficiency, quality and safety of decoking task.

水力除焦钻具位移实时监测系统是延迟焦化装置水力除焦程序控制系统的一个重要组成部分，对除焦作业的效率、质量和安全具有十分重要的意义。

According to designs the request and the fat liquor current capacity definite fuel tank size, reasonably designs the oil duct block, at the same time chooses each hydraulic pressure assistance part and the control part through the hydraulic system current capacity and the pressure.

根据设计要求和油液流量确定油箱尺寸，合理设计油路块，同时通过液压系统的流量和压力选择各个液压辅助元件及控制元件。

The following areas: design of transmission of the table, mainly the use of ball screws; the overall structure of the design table to understand the strengths and weaknesses, take full account of the principal contradiction, merit-based selection; control system design, its applications become more familiar with the Stepper motor-driven feed location can be accurate but the drawback is the lack of output power, so consider the source of the hydraulic motor as the driving force and the stepper motor drive system into the compound, hydraulic feeding Although it is impossible to locate, but with high output power, the two complement each other, so that accurate feed motion can be stable.

有以下几个方面：工作台的传动机构设计，主要是滚珠丝杠的运用；工作台整体结构的设计，了解优缺点，充分考虑主要矛盾，择优选取；控制系统的设计，进一步熟悉其应用步进电机驱动进给可以进行准确的定位但有个缺点就是输出力不足，所以考虑将液压电机作为动力源与步进电机驱动进给系统复合，液压进给虽然无法进行定位，但具有高输出力，二者优势互补，使进给运动可以准确稳定的进行。

Semi-automatic balers: hydraulic-driven models are used, choose manual or automatic operation of PLC; hydraulic pump output oil pressure up to 21Mpa (210Kg/cm), oil cooling system with heat exchanger air cooling; installed without bottom feet screw, only the machine placed in the ground formed a good level of adjustment can be used; strapping manually adjust the length, packing for the manual form, the package automatically push out the package for the direct form; body organizations to adopt quality carbon structural steel welding system, base bottom and front gate feed additional wear plate to ensure durability; moving blade (V type SKD-11 resistant steel knife); push pressure from 100 to 250 tons with four levels, productivity, 4 tons / hour; charging box size and mass, shape and size can be customized according to user specifications and design materials.

半自动打包机：机型均采用液压驱动，可选择手动或PLC自动控制操作；油压泵输出油压最高达21Mpa（210Kg/cm，系统油液冷却采用热交换器风冷却；安装无须底脚螺丝，只须把机器安放在平整地面调校好水平便可使用；捆包长度为手动调整，捆包为手动形式，出包为直推自动出包形式；机体机构采用优质碳素结构钢焊制，机座底部及前方进料闸门附加耐磨钢板确保经久耐用；活动式裁刀（V型式SKD-11耐磨钢刀）；推压力从100吨至250吨有4个等级，生产率4吨/小时左右；加料箱尺寸和包块形状尺寸可根据用户原料规格设计定制。

Based on the testing analysis of microcosmic digital image, there are smaller Fissions, higher density and even distribution under high confining pressure than under low one. Microcosmic damage mechanics of rock cracking under high confining pressure and hydraulic pressure is given. Reliable testing basis is offered to analyze further failure and stability of the noncircular cave surrounding rock under high confining pressure and high hydraulic pressure.

通过微观数字图像试验分析发现，高围压条件下大理岩断口裂纹长度小、密度大、分布相对均匀，给出高水压高围压作用下岩石破裂产生的微观损伤力学机理，为进一步分析高围压高内外水压条件下非圆形洞室围岩失稳破坏机理提供了可靠的试验依据。

A 2D two phase horizontal fracture model was established when studying hydraulic fractures for the requirement of shallow reservoir stimulation in this block; and a 3D two phase model has been built for numerical simulation of a reservoir with five-spot pattern without considering vertical fracture flow. The impacts of horizontal fracture half length and flow conductivity on recovery factor and ultimate recovery factor are studied for some certain injection and production conditions. The parameters of hydraulic fracturing are optimized.

根据该区块浅层油层改造的实际需要，研究水力裂缝时建立两维两相的水平裂缝模型，不考虑裂缝垂直方向上流动，建立了五点井网条件下三维两相油藏数值模拟模型，研究了水平裂缝半长和导流能力对油井产量、注采条件下的采收率和最终采收率等指标的影响，优化了水平裂缝参数。

An interface between controller and hydraulic system was designed in Simulink and AMESim, by which the eletro-hydraulic co-simulation was achieved. The result shows that the forecast controller exhibits excellent performance on eliminating synchronism of upsetting force in flash butt welding.

仿真模型中建立了AMESim软件和Simulink软件的通信接口，通过这个接口实现了基于AMESim/Simulink的电液联合仿真；仿真结果表明基于单神经元预测控制的同步误差调节器在消除顶锻阶段同步误差上具有明显的作用。

MECC Hydraulic has finished more than 100 sets of piping project as AGC, mill, forge press, blast furnace, grate cooler and extrusion press (cleanness reached to NAS5). Circular filtrated equipments (2500L/min), CCS1 contamination detector and SK2010 hydraulic system data recorder can supply high quality piping project for user.

我们拥有成熟的现场管路安装经验和液压系统循环清洗的专业技能；有德国进口的液压系统检测仪和清洁度在线检测仪、超声波探伤仪和总流量每分钟可达3000l/m的高压清洗循环设备所以我们可以给用户提供达到国际水平的液压系统现场管路安装和循环清洗工作。

Since all the three gimbals of the simulator are directly driven by hydraulic motors, the performance of the hydraulic control system is very important to the simulator's.

由于液压仿真转台的每个框架都是由液压马达直接驱动，因此相应的液压控制系统的性能对转台的性能有着十分重要的影响。

Emphasis is placed on analyzing the influences of friction characteristics on hydraulic motor, dynamic coupling between gimbals, resolution ratio error and setting error of feedback measurement element on accuracy of electro-hydraulic position servo system for a certain simulation turntable.

针对具体的仿真转台电液位置伺服系统，着重分析了液压马达摩擦非线性、框架间动力学耦合、反馈测量元件的分辨率误差和安装误差对转台电液位置伺服系统精度的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。