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Principle analysis of the collapse reduction effect of left-handed anchorsIf the unstable rock layer of the vault is regarded as the combined beam (plate) supported by the side wall, because the anchor hanging on the stable surrounding rock can be regarded as the fulcrum, the installation of left-handed anchor without longitudinal ribs is equivalent to adding the fulcrum, reducing the support span, and then reducing the bending stress and deflection of the support to maintain the stability of the support and the rock, so that the rock is not easy to deform and damage.

What is the anchor beam system of anchor rods?At present, in the production mines of various companies in China, some of the mining depth has reached more than 500-1000 meters, and the ground stress, surrounding rock force and deformation are complicated and diverse, a single anchor support can no longer meet the requirements of support for the broken roof plate, composite roof plate, and the roadway with high roof plate pressure, and the anchor beam system, which is composed of the anchor rods and the W-beam steel belt, can effectively control the roof plate, and it can be used in the support

Ruiyu support takes you to understand the hollow anchor rods in the minesSince the introduction of hollow anchors 40 years ago, their use in mines has gradually increased for support and stabilization of underground mines with remarkable results. Hollow anchors have significantly reduced the number of roof falls and are now the primary support option required by most mine safety and health authorities.

Difference between pipe seam anchors and ordinary anchorsPipe seam anchors and ordinary anchors differ in structure, construction and application. Pipe seam anchors are mainly composed of anchor rods, anchor tubes and endurance tubes. The anchor rods are made with smooth surfaces and slits are cut in the anchor tubes, while the structure of ordinary anchors is more diversified.

Successful Competition for Management and Auxiliary Positions at Ruiyu Company in 2024From August 26th to 29th, 2024, Ruiyu Company carried out open competition for 15 positions of production technology, 13 positions of operation management and 5 positions of logistic service, with a total of 39 people applying for participation.The competition was divided into three stages: public opinion assessment, professional examination, and competition defense, and the results of each stage accounted for 20%, 30% and 50% of the total score respectively.Public opinion assessment by the company does not p

Situation and task education for the staff thought navigationIn view of the increasingly severe coal market situation and enterprise operation situation, in order to convey the operation pressure, educate and guide the staff to further recognize the situation, clarify the tasks, and strengthen the confidence, actively respond to the market crisis, comprehensively complete the enterprise operation target, and ensure the stable development of the enterprise.From July 30 to August 3, Ruiyu Company carried out situation and task education activities for all employees in 5 batches.

Preventing and controlling occupational diseases in accordance with the law and caring for workersIn order to prevent and control occupational diseases scientifically and implement a healthy enterprise culture, Ruiyu Company, in conjunction with the publicity week of the Occupational Disease Prevention and Control Law in 2022, actively innovated work measures and carried out publicity and education activities with the theme of “preventing and controlling occupational diseases according to the law and caring for laborers practically” in an all-around way and in multiple forms. First, we se

In view of the increasingly severe coal market situation and enterprise operation situation, in order to convey the operation pressure, educate and guide the staff to further recognize the situation, clarify the tasks, and strengthen the confidence, actively respond to the market crisis, comprehensively complete the enterprise operation target, and ensure the stable development of the enterprise.From November 5 to November 20, Ruiyu Company carried out situation and task education activities for all employees in 5 batches.

Ruiyu Company Organized Crane Operation TrainingIn order to carry out the activity of “Work Safety Month”, create a strong atmosphere of “concern for safety and care for life”, and ensure the safe operation of special equipment, on October 14th and 15th, RuiYu Company carried out lifting machine safety training for all the workshop workers in three batches. On October 14th and 15th, Rui-Yue Company conducted safety training for all workshop workers in three batches.

Shandong Ruiyu Company Watches the Alert Educational Activity of “Clean Practices Cartoon CollectionIn order to further strengthen the party's clean government construction and anti-corruption work, and enhance the ability of party members and cadres to resist corruption and prevent change, Ruiyu Company, on the basis of the implementation of the daily publicity of clean business, actively broaden the publicity carrier of clean business, and carry out the warning education activities of clean business in the form of vivid and lively cartoons.This warning education activities to watch the “