Shandong China Coal Mining Group Co., Ltd. is an enterprise specializing in the production of railway machinery. The company has a strong technical force and can design, develop and mass-produce various railway equipment products. The steel rails and railway parts were put on the domestic market in 2002 and have been certified by the National Railway Supplies Quality Control Center.
Concrete sleeper can be used to make wooden sleepers in many types of wood. Wooden sleepers are rich in toughness and can absorb the weight generated by trains better than other sleepers and are not easy to break. Good elasticity, light weight, simple production and good insulation performance. Fasteners and wooden sleepers are simple to connect, convenient for laying, maintenance, and transportation. There is a large friction coefficient between wooden sleepers and gravel ballast.
The allowable wear limit of the rail head is mainly determined by the strength and construction conditions. That is, when the rail wear reaches the allowable limit, one is to ensure that the rail has sufficient strength and flexural rigidity; the other is to ensure that the wheel flange does not collide with the joint splint under the most unfavorable conditions. In the "Rules for Railway Line Maintenance", the rail heads are divided into two categories, light injuries and severe injuries, according to the degree of wear and tear of rail heads. The corrugated rail is a lightly damaged rail if the loss of the corrugated rail is more than 0.5mm.
On the morning of October 7, Ren Xianmin, Member of the Party Group and Deputy Director of the Jining Municipal Bureau of Human Resources and Social Security, Xu Feng, Deputy Secretary of the Party Committee of Jining Technician College, Zheng Qiuyan, Member of the Party Committee and Secretary of the Disciplinary Committee, Wang Zhimin, Member of the Party Committee and Vice President, and Guo Zhaoli, Member of the Party Committee and Director of the Organization Department , Han Chao, Section Chief of the Vocational Ability Building Section of the Municipal Bureau of Human Resources and Social Security, Yan Yunbo, Director of the School-Enterprise Cooperation Department of Jining Technician College, and other leaders visited China Coal Group and conducted inspections on deepening cooperation with Jining Technical Education Group and other related matters. China Coal Group Chairman Qu Qing, Group Executive Deputy General Manager and General Manager of Information Technology Li Zhenbo, Deputy Secretary of the Party Committee Guan Chenghui, Deputy Chief Executive Huang Shihong, Head of Human Resources Department Feng Yuyang, and Jining Industry and Information Technology Business Training College of China Coal Group Dean Liu Lu, deputy deans Wang Man, Zhang Zhuangzhi and other leaders accompanied him.
In order to ensure that the rail track lifting and lining machine is flexible and reliable every time it is used, effective maintenance and periodic inspection of the rail track lifting and lining machine must be carried out.
On September 29, the second batch of Fixed Mine car equipment was loaded in the second workshop of China Coal Group's intelligent equipment production and manufacturing, and then will be sent again to a mine in Luliang, Shanxi. As a loyal and old customer of our group, merchants in Luliang, Shanxi have ordered hydraulic props, metal roof beams, mining flatbeds, mining carts and other mining equipment from our group for many times. They have always given high levels to our group's excellent product quality and perfect after-sales service. Evaluation.
On September 24, a batch of metal roof beams are loaded on a vehicle in the intelligent equipment manufacturing workshop of China Coal Group, and then sent to a mine in Lanzhou, Gansu. At present, DFB (1400-4400 standard specifications)/300, DJB600/470, DJB800/420, DJB (1000, 1200)/300 metal roof beams independently developed and produced by China Coal Group Manufacturing Corporation, including 4 articulated specifications Models, 16 non-articulated models, have all passed the certification of the National Mining Product Safety Marking Center of the Safety Standard, and have obtained the National Mining Product Safety Mark Certificate.
The ND-4.2X2 internal combustion high-frequency railway tamping machine is a new type of railway maintenance machinery, which is suitable for the maintenance and construction of unilateral railway lines without power supply, and can also be used for the maintenance of turnouts.
It's Mid-Autumn Festival again, and it's time for reunion again. On the occasion of the Mid-Autumn Festival approaching, in order to express the group’s care for the employees and enhance the cohesion of the group and the sense of belonging of the employees, on the afternoon of September 18th, China Coal Group distributed meticulously prepared Mid-Autumn Festival benefits to all employees. The exquisite and affordable benefits have sent the group leaders' strong care for the employees and full Mid-Autumn Festival blessings.
The rail cutting machine is a self-developed generation of rail cutting machine based on the original rail cutting machine, according to the actual requirements of the site construction unit, greatly reducing the weight and increasing the cutting speed; it is ideal for railway engineering, bridges, line overhaul and other departments. Rail cutting tool.
