Views: 0 Author: Site Editor Publish Time: 2022-08-31 Origin: Site
In order to make the hydraulic acrow props work stable, give full play to the efficiency of the equipment, and extend the service life, in addition to strictly complying with the operating procedures, it is necessary to strengthen daily maintenance.
Precautions for maintenance and management of single hydraulic prop
1. The single hydraulic prop should be disassembled and connected before work, and the roof should be paid attention to, and the protection work and personal equipment should be done well. Replace the hydraulic components such as the pillar, front beam jack, control valve, etc., first use the single hyadraulic prop to suspension hydraulic prop the top beam before proceeding. Each of the pillar brackets, the control valve and the piping system in the jacks reached, in the case of tension, When repair and replacement are not possible, they must be performed after unloading.
2. In the process of disassembly and maintenance of the suspension hydraulic prop, suitable tools must be used to prevent bumps, especially the smooth surface of each cylinder piston, the valve shaft and sealing surface of each valve part, pipe joints and connecting threads, etc. Prevent damage to avoid increasing the difficulty of maintenance.
3. Assemble and disassemble parts, and mark the mark in the required size and quantity, and put it in place. The removed small parts, such as cotter pins, gaskets, and sealing rings, should be placed in the tool bag to prevent loss.
4. Every cylinder, valve and other hydraulic components on the bracket are usually not allowed to be debugged and disassembled. If no problems are found, they can be used. One group must be replaced for maintenance and sent. In the process of dismantling and single hydraulic prop moving, each cylinder should first shrink to a shorter length to facilitate handling and prevent the surface of the piston rod from being damaged and corroded.
5. Every hose from the liquid inlet, pillars, and valve components of various A replacement sockets must be protected with suitable plugs, and should be stored and handled, and the plugs should not be screwed out to avoid dust and dirt materials. Into the cavity, the influence of the hydraulic acrow props hydraulic working system.
Recently, the Jining High-tech Zone General Trade Union and the Human Resources Department of Jining High-tech Zone jointly announced the 2024 'High-tech Craftsman' list. Li Zhenbo, General Manager of Information Technology at China Coal Group and General Manager of Zhongyun Group, was awarded the title of 'High-tech Craftsman' for his outstanding contributions and innovative spirit.
On September 30th, China Coal Group held a grand cultural performance to celebrate the 75th anniversary of the founding of the People's Republic of China with the theme of 'Forging Ahead to Celebrate the Birthday of the People's Republic of China' in the conference center. The chairman of China Coal Group, Mr. Qiu Qing, the general manager of China Coal Group, Mr. Han Yong, and all the members of the leadership team of China Coal Group attended the event and witnessed the grand celebration together with more than 1,000 employees on the spot. The cultural performance was conducted in the way of 'on-site + webcast', aiming to show the spirit of the cadres and workers of China Coal Group and express the love and blessing to the great motherland through colorful cultural programs.
On September 29th, in this season of autumn and fruitfulness, China Coal Group, full of joy and pride, participated in the ‘Harvest Celebration and National Day’, which was jointly organized by Jining Hi-Tech District Federation of Trade Unions and Jiezhuang Street to welcome the 75th anniversary of the founding of New China and the Farmer's Harvest Festival.
