桥式起重机

Henan Zhong Yuan Crame Co.,Ltd is joint-stock enterprise,mainly devolope,research and manufacture Crane of brand "Zhong Qi",namely single or double beam bridge crane ,door crane ,magnet crane ,explosionproof crane , grab crane and special crane for power station.

河南省中原起重机械有限公司是一家股份制合作工业企业，主要自行开发研制生产"中起"牌单、双梁桥式、门式起重机、电磁、防爆、抓斗、电厂专用轨起重机。

Henan Zhong Yuan Crame Co.,Ltd is joint-stock enterprise,mainly devolope,research manufacture Crane of br "Zhong Qi",namely single double beam bridge crane ,do crane ,magnet crane ,explosionproof crane , grab crane special crane f power station.

河南省中原起重机械有限公司是一家股份制合作工业企业，主要自行开发研制生产"中起"牌单、双梁桥式、门式起重机、电磁、防爆、抓斗、电厂专用轨起重机。

Our company mainly produces and runs brand"Sheng Zhong "electric calabash,singal- clouble bridge derrick,doorlike derrick 、building bridges maching、Press-ganging maching 、port crane and aviding explosive.

本公司主要从事&盛重&牌电动葫芦，单、双梁桥、门式起重机，抓斗，架桥机，港口起重机及防爆系列起重机的制造、销售。

Company's main products: ball mill, crusher, spiral classifier, the flotation machine, a double, Single and Double beam bridge crane, the crystallization of electric machines, continuous casting machine, anode casting machine, dryer, patio Drill , Feeder, washing machine mine, pressure vessels, such as more than 10 product categories.

公司生产的主要产品有：球磨机、破碎机、螺旋分级机、浮选机、摇床、单双梁桥式起重机、电热结晶机、连续浇铸机、阳极铸型机、烘干机、天井钻机、给料机、洗矿机、压力容器等十余大类产品。

Is the lifting of heavy machinery member of the Association, specializes in double-beam cranes, gantry crane, single-beam cranes, electric hoist, grab, the bridge machine, loading bridge, a track machine, hoist and explosion-proof , Frequency, insulation, electrical, metallurgical casting series of design and manufacture and installation.

正大起重有限公司是中国重型机械协会会员单位，专业从事双梁起重机、门式起重机、单梁起重机、电动葫芦、抓斗、架桥机、装卸桥、过轨机、启闭机及防爆、变频、绝缘、电磁、冶金铸造等系列的设计制造及安装。

Hao Li is China's heavy machinery industry association member of Council of bridge crane, lifting the Shanghai Machinery Industry Association unit.

豪力公司是中国重型机械工业协会桥式起重机分会会员单位，上海起重运输机械行业协会理事单位。

The idea of visualization is brought into the design calculation,data visualization and COM interface technique are adopted,and program is prepared based on VC language,in order to design the lifting mechanism of bridge crane.

将可视化思想引入到设计计算中，采用数据可视化技术、COM接口技术，以VC语言为基础编制程序，进行桥式起重机起升机构的设计。

Optimization method is applied to the layout design of mechanisms on trolley in order to maintain an even distribution of optimization design on an example a trolley with given wheel base and track gauge ,using even distribution of wheel loads as an objective funtion and condition of a signle hook lifting trolley as restrictive condition

桥式起重机的大车设有起升机构和小车运行机构，为使小车轮压呈均匀分布，应对大车的机构布置进行优化设计，以知大车轨迹和轴矩为例，以车轮轮压均匀分配为目标函数，按单钩起重大车的条件提出约束条件，对优化设计的结果进行分析如下

Double-beam bridge. Gantry Crane , cantilever cranes, wire rope electric hoist and accessories: scissors type. chain.

双梁桥式。门式起重机，悬臂起重机，钢丝绳电动葫芦及配件：剪叉式。

This article mainly deals with electric hoist bridge crane to do the main body of analysis and calculation, including the electric hoist lifting body, and the operation of car bodies.

本文主要是针对电动葫芦桥式起重机的机构做主要的分析与计算，包括电动葫芦的起升机构、大、小车的运行机构。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。