The principle of hydraulic shock and noise with the false operation of hydraulic hammer was studied.
结合实例，阐述了液压锤的最佳操作规程，建议打击能量程序化。
With it, pit and groove digging, curb and gut milling and hydraulic hammer breaking can all be realized.
可实现开挖坑槽、铣边、沿井盖铣刨、液压镐破碎等功能。
The structure, principle and performance of new typed C83 series program controlled hydraulic hammer are introduced.
介绍了新一代C83系列程控液压模锻锤的结构、原理和性能。
Based on the analysis to close loop hydraulic system of hydraulic hammer, this paper provides on open loop hydraulic system.
本文对液压锤使用的闭式液压系统性能进行了分析，在此基础上提出了泵直接传动的开式液压系统。
This brought together a group of professional and technical personnel, and strive as hydraulic hammer technology Leading domestic brand.
这里汇聚了一批专业的技术人才，力争在液压破碎锤技术领域成为国内领导品牌。
After PTFE Glyd ring was used in piston seals of hydraulic cylinder of electro-hydraulic hammer, the gas pressure rose because oil entered into gas chamber.
电液锤液气缸活塞密封采用由PTFE制造的格莱圈密封，在使用中液压油会窜入气腔，导致气体压力升高。
To overcome the shortcomings of steam driven hammer, such as energy wasting and serious vibration, the new type program controlled hydraulic hammers are developed.
针对蒸—空模锻锤存在的浪费能源、振动噪音大等缺点，开发了用于蒸—空模锻锤更新换代的新型程控液压模锻锤。
This article has analyzed the enforced situation on the electro-hydraulic hammer rod and the fracture reason of it, and the its solutions measures have been set forth.
分析了电液锤锤杆的受力情况及影响锤杆断裂的原因，并提出了解决措施。
High-energy hydraulic hammer with liquid cushion is a new and highly efficient equipment used for the secondary breaking of ore boulder occurred very often in domestic and foreign mines.
液垫式高能液压碎石器是解决目前国内外矿山普遍存在的矿岩大块二次破碎问题的新型高效设备。
Hydraulic pile hammer is one of the pile driving machines that drive prefabricated piles into the ground in the construction of pile foundation such as construction, bridge, dock, etc.
液压打桩锤是用于建筑、桥梁、码头等桩基础施工中打入预制桩的桩工机械。
Our country makes the first ten thousand ton hydraulic press is the hammer forging hydraulic press.
我国制造的第一台万吨水压机就是自由锻造水压机。
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.
研究了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。
This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function. The problems of the current calibration methods are also studied in details.
该文介绍了落锤液压动标装置的工作原理及其主要功能，分析了现有校准方法存在的问题。
Furthermore, a new hydraulic exciting method by using water hammer fluctuations was suggested.
同时，提出了利用水锤波动激振的新型液压激振方式。
The theory and test proved that the impacting frequency of hydraulic rammer can be adjusted by pipe hammer stroke. The influences of stroke on characteristics of hammer are discussed.
通过理论和实验证明改变液压夯管锤的冲击能和冲击频率，比较简单而经济的方法是调节液压夯管锤的行程，并讨论了改变行程对液压夯管锤的性能有哪些影响。
Pumping accidents by simulating the system of hydraulic transient, step-up to predict the water hammer can choose to provide evidence of water hammer protection.
通过模拟事故停泵时系统的水力过渡过程，准确预测水锤升压可为选择水锤防护措施提供依据。
It is verified that the new hydraulic breaking hammer features simple structure, stepless adjustment of impacting power and frequency, power saving, easy maintenance, etc.
实践证明，该液压破碎锤具有结构简单，冲击能和冲击频率可无级调节，节能，维修方便等优点。
Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile.
本文应用冲击机械系统动力学分析打桩过程中锤体与桩撞击时应力波的产生、传播以及该波对沉桩过程的影响。
Application Cavitation, liquid hammer and pressure peak may occur in hydraulic systems with changes in flow velocity, e. g. fast closing of a valve or pump starts and stops.
应用空化，液体铁锤和压力顶峰可能用在流动速度方面的变化在液压系统里发生，例如一阀门或者泵的快关闭起停。
A mathematical model of water hammer arrester with the lower open type in calculating the hydraulic transient in the pump systems is established.
建立了下开式水锤消除器在泵系统水力过渡过程计算中的数学模型。
This paper had a detailed analysis of 2t airdraulic hammer hydraulic system.
对2t气液锤液压系统进行详细分析。
The low noise water hammer type hydraulic system pipeline cleaning device is applicable to the pipeline cleaning field of various hydraulic devices.
本实用新型适用于各种液压装置的管路清洗领域。
The optimal mathematical model, hi which the control aim is to make the peek value of water hammer smallest, is set up for the application in hydraulic and hydropower engineering.
作为水利水电工程中的应用，以水击压力峰值最小作为控制目标，建立了优化数学模型。
This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function.
该文介绍了落锤液压动标装置的工作原理及其主要功能，分析了现有校准方法存在的问题。
Moreover, the experimental results showed that the periodic controllable hydraulic water hammer wave generated by the system can be used as an exciting force.
通过对实验结果的频域分析，证明了其压力波动频率受激波器的控制。
High frequency hydraulic vibro hammer is rapidly and widely applied in the fields of express railway, soft groundwork, sea-filling and Bridges, dock project etc.
朗信v系列高频液压振动锤在高速铁路、公路软地基处理，填海及桥梁、码头工程，深基坑支护，普通建筑物的基础处理等方面得到了迅速的应用。
The hydraulic pressure slowly-closing time can be adjusted so to guard effectively against the destructive water hammer.
使压实过程更加有效，且提高的压实效果：即，质量提高了，而节约了时间和能源。
The hydraulic pressure slowly-closing time can be adjusted so to guard effectively against the destructive water hammer.
使压实过程更加有效，且提高的压实效果：即，质量提高了，而节约了时间和能源。
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