起重机

Output value of 380 million yuan, over the years, the Central Plains has been working for high-quality development and manufacture of cranes, self-design and manufacture of the MU type 300t-112m-63m dock gantry cranes, QQ75t-125t Power Station Crane dedicated light four high-frequency technology products to fill gaps in the same industry in Henan Province. 2003 crane industry and the world number one brand in the company of·átechnology, markets, and in Shenyang Machine Tool Group has provided technical projects with the international advanced level, low static air new bridge crane.

2006年产值3.8亿元，多年来，中原公司一直致力于高品质起重机的开发与制造，自主设计制造的MU型300t-112m-63m船坞龙门起重机、QQ75t-125t电站专用轻型变频起重机等四项高新技术产品填补了河南省同行业空白。2003年与居世界起重机行业第一品牌的芬兰科尼公司进行技术、市场等方面的合作，并在沈阳机床集团技改项目中提供了具有国际先进水平的低静空新型桥式起重机。

This paper analyses the operation characteristic of portal jib crane,and discuss selecting principle and calculation formulas of motor and capacity which frequency inverter and it's brake type and accessory of the AC variable frequency and speed regulation applied to portal jib crane , finally introduce case which CHV190 inverter applied in portal jib crane .

本文分析了门座式起重机的运行特点，详细阐述了英威腾 CHV190起重机专用变频器用于门座式起重机调速时的电动机、变频器及其制动方式的选型原则和变频器周边设备的容量计算方法，最后介绍了 CHV190变频器在门座式起重机中的应用案例。

A 10t-16. 5m general-purpose bridge crane which is produced by Dalian Crane Works is taken as an example. It conforms with"The Technical Regulations for General-Purpose Bridge Cranes"and all its deriations are chosen to be most unfavourable for cranes' travelling. All the effects which are due to the position of the trollay on the crane, the original skew angle of the crane and the defferent leading width are studied.

本文以大连起重机器厂生产的10吨-16.5米跨度的通用桥式吊钩起重机为例，在满足桥式起重机技术条件前提下，起重机的各种偏差取对运行最不利组合，分析计算了小车位置、桥架的初始偏斜和车轮踏面宽度等因素对分别驱动和集中驱动的桥式起重机的运行状态及侧向力的影响。

Domestic large enterprises have built a first-class Technology Center is a national model CAD application engineering units, equipped with scientific and technical information, standards, structure, hydraulic, transmission, electrical and many other professional researchers, with senior professional titles 33 personnel, intermediate professional 404 titles of staff and a number of national patent technology, QY300, QY130H truck crane, QUY200 crawler crane on behalf of the domestic large-tonnage mobile crane the most cutting-edge technology research and development capacity and production levels, filled a number of national mobile crane technology gaps ; have a plate pre-processing, CNC plasma cutting, pentahedral processing center, the Russian landing boring, welding robot and so on more than 2000 sets of equipment, excellent manufacturing processing capacity, improve, reaching the advanced international level; has passed ISO9000 Quality Certification Center of China Quality system certification, access to American FMRC Company Registration Certificate of ISO9001, the leading product of three varieties of four won the national silver, truck crane for 15 years, was named the "National Customer Satisfaction Product", in which truck crane QY16 was the "National Consumer Trustworthy Gold China-made cars,"with the industry's only"°"products.

建有国内大型企业一流的技术中心，是国家CAD应用工程示范单位，设有科技信息、标准、结构、液压、传动、电气等多项专业研究，拥有高级专业技术职称人员33名、中级专业技术职称人员404名及多项国家专利技术，QY300、QY130H汽车起重机、QUY200履带吊代表了国内大吨位移动式起重机最前沿的技术研发能力和生产制造水平，填补了国家移动式起重机多项技术空白；拥有板材预处理、数控等离子切割、五面体加工中心、俄罗斯落地镗、焊接机器人等2000多台套设备，制造加工能力优良、完善，达到国际先进水平；已通过中国质量认证中心ISO9000质量体系认证，获得美国FMRC公司ISO9001注册资格证书，主导产品三个品种四次荣获国家银质奖，汽车起重机连续15年被评为"全国用户满意产品"，其中QY16汽车起重机获"全国消费者信得过国产车金奖"，为同行业唯一"金榜题名"产品。

And various non-standard hoisting equipment to provide systematic service for metallurgy, electric power, machinery, mining, quay and petrification industry, etc. The product sells well home and abroad.

公司主要产品有单梁起重机、双梁起重机、门式起重机、铸造起重机、架桥机等路桥工程设备及各种非标起重设备，为冶金、电力、机械、矿山、港门、石化等行业配套服务，产品远销国内外。

With the development of the containers, quayside container cranes now become the main port handling tools.

集装箱的不断发展，岸边集装箱起重机成为现在港口的主要装卸工具，而机房底架是岸边集装箱起重机的重要部分，是岸边集装箱起重机设计的瓶颈所在，对岸边集装箱起重机机房底架做三维设计软件的开发及应用是很有必要的。

The main products of the company includes road bridge engineering equipment such as single-beam crane, double-beam crane, gantry crane, foundery crane, bridge girder erection machine, etc.

公司主要产品有单梁起重机、双梁起重机、门式起重机、铸造起重机、架桥机等路桥工程设备及各种非标起重设备，为冶金、电力、机械、矿山、港门、石化等行业配套服务，产品远销国内外。

Can in the circular place and its sky homework, much used for open-air pack to unload and install etc. work, have a derrick and float to swim a derrick,mast derrick,wall a line derrick and the deck derrick etc.s.

可在圆形场地及其上空作业，多用于露天装卸及安装等工作，有门座起重机、浮游起重机、桅杆起重机、壁行起重机和甲板起重机等。

A type of arm derrick such as fix the type to turn round the derrick, tower type derrick, automobile derrick, tire, track derrick etc..

臂架类型起重机如固定式回转起重机、塔式起重机、汽车起重机、轮胎、履带起重机等。

The corporation has 350 tons crawler crane, 275 tonnes crawler cranes, crawler crane 150 tons, 50 tons crawler crane, tower crane 100 tons, 80 tons of tower crane, 55-ton crane vehicle, Thin wall Crane, 60 tons of crane and concrete mixing stations, truck, Tanker complete construction machinery and equipment 1495 supporting Taiwan, with a total of 98,000 24208.86KW, technology and equipment reached 66,400 yuan per capita / person.

公司拥有350吨履带式起重机、275吨履带式起重机、150吨履带式起重机、50吨履带式起重机、100吨塔式起重机、80吨塔式起重机、55吨汽车式起重机、FZQ1250附壁式起重机、60吨龙门吊、混凝土搅拌站、泵车、罐车等配套齐全的施工机械设备1495台，总功率为24208.86KW，人均技术装备率达到6.64万元/人。

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％。