Cement sleeper is divided into bolt platen and U ring by installation. Cement sleeper u-ring sleeper is easy to install, just put the rail between the two U-rings, cushion the rubber plate below, then use a sledgehammer down u-ring pressure rail. Cement sleeper bolt pressure plate is to use t-bolts from the pillow rail below the reserved hole through the above fixed pressure plate pressure rail, a sleeper needs 4 sets of bolts, 4 pressure plate, 4 rubber pad (there are two large, two small), this pillow rail maintenance is convenient, can be reused.

According to the relevant provisions of "Notification on organizing and Carrying out 2021 Jining Engineering Research Center Application Identification work", on the basis of county and urban review and recommendation, Jining Development and Reform Commission organized and carried out 2021 Jining Engineering Research Center application acceptance work, after layer upon layer of strict review, Jining Engineering Research Center of Coal Mine Support Equipment Technology of China Coal Group is listed in the list of 2021 Engineering research Centers of Jining.

Recently, The mine flameproof and intrinsically safe vacuum electromagnetic starters QJZ-80/1140 (660), QJZ-120/1140 (660), QJZ-200/1140 (660), QJZ-315/1140 (660), qJZ-400/1140 (66) are independently developed and produced by China Coal Group Manufacturing Corporation 0) and mine flameproof and intrinsic-safe reversible vacuum electromagnetic starter QJZ-80/1140 (660) N, QJZ-120/1140 (660) N, a total of four types of seven models of products in product quality, production process, technical indicators, safety, stability and other aspects are in line with the relevant standards and specifications of national 3C compulsory certification products, Successfully obtained CCC China national compulsory product certification.

Steel Rail is an important equipment of railway line. In the policy on major technical equipment of railway public works, in addition to clearly pointing out that the development direction of rail is heavy-duty, toughened and purified, there are also clear provisions on the rational use of rail. It is pointed out that the reasonable service cycle of reused rails should be determined according to the analysis of comprehensive economic benefits of rails, the system of phased use of rails should be implemented, and the renovation of old rails should be actively carried out.

Instructions For Hydraulic Rail Track Lifting And Lining Machine 1. Loosen the vent valve of the hydraulic part, open the oil return valve, apply appropriate pressure at the top column or side hook to lower it to the lowest position, and then close the lifting oil return valve for standby.

According to the "Administrative Measures for the Recognition of Municipal Industrial Design Centers of Jining City", Jining City Industry and Information Technology Bureau organize and carry out the fourth batch of municipal industrial design center recognition work, and recently announced the fourth batch of municipal industrial design centers of Jining City. The Industrial Design Center of China Coal Group was selected as the "Municipal Industrial Design Center" by virtue of its outstanding achievements in the field of enterprise technology design and research and development.

Railway Tamping Machine is suitable for the laying of railways, line maintenance. Rush repairs. Especially for track-cutting operations in sections and sections where there is no power supply. It can be applied to rails of various specifications, especially 50kg/m-60 kg/m rails.

On November 11, Zhang Yiying, a member of the Party Leadership Group and Deputy Director of the Shandong Provincial Department of Commerce, Guo Boyin, a fourth-level investigator from the Circulation Division of the Shandong Provincial Department of Commerce, and Xu Hengfei, a fourth-level investigator from the E-commerce Department of the Shandong Provincial Department of Commerce, and Zhang Yiying, the director of the Jining Municipal Bureau of Commerce Accompanied by public relocation, Li Hongbao, deputy director of the Municipal Bureau of Commerce, and Chu Zhihua, member of the Party Working Committee and deputy director of the Management Committee of the High-tech Zone, visited China Coal Group for a visit and research. China Coal Group Chairman Qu Qing and General Manager Han Yong, Li Zhenbo, executive deputy general manager and general manager of informatization of the group, Guan Chenghui, deputy secretary of the party committee of the group, Huang Shihong, deputy general manager of the group, and Wang Man, deputy dean of Jining Industry and Information Business Vocational Training College under China Coal Group, accompanied leaders.

Rail cutting machines are widely used in cutting operations in many industries such as railways, construction, building materials, airport construction, etc., and have good power performance