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单梁起重机起升机构的调速

编辑:yinuo 时间:2012-12-03 点击:1185次

摘要:工程起重机为了进步消费率和顺应各种不同工作的状况的请求,起升机构的工作速度应该可改动的。在轻载和空钩降落以及起升高度较大时升降重物,均请求有较高的工作速度,以进步....……
单梁起重机起升机构的调速
Speed regulation of hoisting mechanism of single beam crane
 
工程起重机为了进步消费率和顺应各种不同工作的状况的请求,起升机构的工作速度应该可改动的。在轻载和空钩降落以及起升高度较大时升降重物,均请求有较高的工作速度,以进步起重机的消费率。在重载或运算大件物品以及重物高速降落至接近放置地点时,为了平安牢靠和正确则请求较低的工作速度。此外为了顺应机构或设备装置工作的请求,起升机构还需求更低的就位速度。因此工程起重机的起升机构普通均设为调试安装。依据起升机构传动方式的不同,有各种不同的调速办法。对起升机构的调速安装请求其调速范围大、调速平稳、工作牢靠、构造简单及支配便当。
In order to improve the consumption rate and comply with all kinds of working conditions, the working speed of hoisting mechanism should be changed. When the light load and the landing hook and landing height are large, all the lifting and heavy loads are required to have a higher working speed, so as to improve the consumption rate of cranes. When heavy loads or heavy items and heavy objects are landed at a high speed near the location, they will work at a low speed for safety, reliability and accuracy. In addition, in order to comply with the request of mechanism or device operation, lifting mechanism also needs lower placement speed. Therefore, the lifting mechanism of the engineering crane is usually set up for debugging and installation. According to the transmission mode of hoisting mechanism, there are various ways of speed regulation. The speed governing installation of hoisting mechanism requires large speed range, stable speed, reliable work, simple structure and convenient control.
 
1、双电机差动行星齿轮简单及支配便当。
1, dual motor differential planetary gear is simple and easy to control.
 
2、双电机串接电阻用缓行器换档调速。
2, double motor series resistance with retarder speed shift.
 
3、动力换档调速起升机构。
3, power shift speed regulating mechanism.
 
4、电磁离合器换挡调速起升机构。
4, electromagnetic clutch gear shift speed lifting mechanism.
 
5、液压传动起升机构的调速。
5. The speed regulation of the hydraulic drive lifting mechanism.
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