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液压升降机的安全防护需要注意哪些事项?

来源:http://www.jlsjj.cn     发布时间:2021-11-02   浏览次数:

压升降平台是一种用来运送货物和器材到指定高度进行作业的特种设备,因其避免了用脚手架和梯子的不方便及危险因素,被广泛应用于电力、通讯、照明、交通等领域。
Pressure lifting platform is a special equipment used to transport goods and equipment to the specified height for operation. Because it avoids the inconvenient and dangerous factors of scaffold and ladder, it is widely used in the fields of power, communication, lighting, transportation and so on.
升降机的安全开关都是根据安全需要设计的,有围栏门限位、吊笼门限位、顶门限位、极限位开关、上下限位开关、对重防断绳保护开关等。
The safety switches of the elevator are designed according to the safety needs, including fence threshold, cage threshold, top door limit, limit switch, upper and lower limit switch, counterweight anti rope breaking protection switch, etc.
防坠安全器是施工升降机上重要的一个部件,要依靠它来消除吊笼坠落事故的发生,保证乘员的生命安全。因此防坠安全器出厂试验非常严格的,出厂前由法定的检验单位对它进行转矩的测量,临界转速时测量,弹簧压缩量的测量,每台都附有测试报告,组装到施工升降机上后进行额定载荷下的坠落试验,
The anti falling safety device is an important part of the construction elevator. It should be relied on to eliminate the cage falling accident and ensure the life safety of passengers. Therefore, the delivery test of anti falling safety device is very strict. Before delivery, the legal inspection unit shall measure its torque, critical speed and spring compression. Each set is attached with a test report. After it is assembled on the construction elevator, the falling test under rated load shall be carried out,
山东升降设备
施工升降平台上的缓冲器的施工升降机安全的一道防线,,它必须设置,第二,它必须有一定的强度,能承受升降机额定载荷的冲击,且起到缓冲的作用。
The buffer on the construction lifting platform is the last line of defense for the safety of the construction lift. First, it must be set. Second, it must have a certain strength, be able to withstand the impact of the rated load of the lift and play the role of buffer.
工地上的升降机频繁作业,利用率高,但不得不考虑电机的间断工作制问题,也就是常说的暂载率的问题(有时叫负载持续率)它的定义是FC=工作周期时间/负载时间×100%,其中工作周期时间为负载时间和停机时间。有的工地上升降平台是租赁公司租来的,总想充分利用,而电机的的暂载率(FC=40%或25%)就完全不顾,电机怎么不发热呢?有的甚至于冒出焦糊味还在使用,这是很不正常的操作使用。
The elevator on the construction site operates frequently and has high utilization rate, but the intermittent working system of the motor has to be considered, that is, the problem of temporary load rate (sometimes called load duration rate), which is defined as FC = working cycle time / load time × 100%, where the duty cycle time is load time and downtime. On some construction sites, the lifting platform is rented by the leasing company and always wants to make full use of it. However, the temporary load rate of the motor (FC = 40% or 25%) is completely ignored. Why doesn't the motor heat? Some even smell burnt and are still in use, which is a very abnormal operation.
工地上的施工,作业环境条件恶劣,水泥、砂浆、尘土不可能消除干净,齿轮与齿条的相互研磨,齿都磨尖了仍然还在使用,应当引起重视。
During the construction on the construction site, the working environment conditions are poor, the cement, mortar and dust cannot be eliminated, the mutual grinding of gears and racks, the sharpened teeth are still in use, which should be paid attention to.

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