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Huai'an Xinyu Heavy lift Installation Co., Ltd

Contact: Manager Tong

Contact: 13645238000

Email: [email protected]

Address: No. 105-1, Songjiang Road, Huaiyin District

Website: bohonggarmentsweaving.com


Analysis of two aspects of crane performance that often need to be checked!

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Analysis of two aspects of crane performance that often need to be checked!

Date of issue: 2021-06-23 Author: Click:

Huai'an crane rental Remind everyone to check from time to time crane The two aspects of the security performance of are as follows!

 Huai'an Crane Rental

1、 Lifting mechanism and slewing mechanism;

1. Debugging conditions: basic boom, small working range, lifting * fixed lifting capacity, lifting to about 1m, stop.

2. Debugging method: pull the control handle to the lifting, left turning and right turning working positions respectively crane When the rotating part moves slightly, brake immediately, take it down and land it for 10 consecutive times, measure the cumulative lifting distance or turning arc length of the weight, and calculate the average lifting displacement and turning angle of the weight each time. Huai'an Crane Rental The warning shall not exceed the specified value, otherwise the sensitivity and stability of the brake shall be adjusted.

2、 Luffing mechanism;

1. Debugging conditions: the elevation angle of the basic boom and boom is 50 °, the rated lifting capacity within the working range is raised to 1m height, and stop.

2. Debugging method: pull the control handle to the lifting position of the boom, and brake immediately when the weight moves slightly. Remove the boom for 10 consecutive times, measure the cumulative horizontal movement distance of the weight, and calculate the average movement displacement of the boom each time. Otherwise, the stability and sensitivity of the set pressure of the brake (wire rope luffing mechanism) or back pressure balance valve and secondary safety valve in the hydraulic circuit (hydraulic cylinder luffing) shall be adjusted.

3. Commissioning requirements: ensure that the lifting operation of relevant mechanisms is stable and accurate without abnormal increase of crawling, vibration, impact and driving force; The inching performance of lifting, slewing and luffing mechanism is good.


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