Views: 0 Author: Site Editor Publish Time: 2022-09-27 Origin: Site
Mining electric locomotive is mainly composed of mechanical and electrical parts.
The frame is the frame of the locomotive, welded from thick steel plates. Support the mechanical and electrical devices on the locomotive; The axle box is mainly used to fix and seal the protective bearing, and use the guide grooves on both sides of the bearing box to connect the wheel set to the frame, so that the wheel set can move freely up and down relative to the frame in a certain range during the locomotive running. The wheel set is generally formed by pressing two wheels onto one axle, which is used to make the torque of traction motor act on the track to generate the traction force and braking force of the locomotive, so that the locomotive can roll smoothly on the track through the wheels; According to different braking modes, braking devices can be divided into mechanical braking and electrical braking. Mechanical braking device uses mechanical brake for braking. Energy consumption braking by traction motor during electrical braking; The sanding device is mainly used to improve the friction coefficient between the wheel and the track, and increase the friction between them.
Traction motor is one of the main equipment of electric locomotive. At present, mining electric locomotive adopts DC series excitation motor for traction; The controller is an important equipment for controlling the operation of traction motor and electric locomotive. It is composed of two parts: the main controller and the commutator, which are also called the main shaft and the reversing shaft respectively; The automatic switch is the power switch of the motor owner's circuit, and is actually the protection device of the motor power circuit. The front and rear of the mining motor car are equipped with lighting lamps, which are usually powered by the contact network; The starting resistance is generally composed of several independent resistors, which are connected in different ways to obtain different resistance values, which is used to limit the starting current; Pantograph is the electrical equipment installed on the top of the locomotive to receive power from the overhead power grid. Pantographs can be divided into pantograph type and contact type according to their own structure, and the former is widely used in mining electric locomotives.
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.
