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Comparison of left-handed anchors with other anchorsLeft-handed anchor is a kind of engineering structure used to support tunnels and rock bodies. Left-handed anchors are easy to make and transport, simple to construct, and can greatly improve the quality and safety of the project. This technology has been widely used in tunnel construction and coal mine support and other fields.Second, the structure of left-handed anchorLeft-hand anchor consists of steel bar, bundle rib and self-locking nut.

2024 Coal Industry Benchmarking Work Conference Held in JiningThe 2024 Coal Industry Benchmarking Work Conference was held in Jining City, Shandong Province, which was organized by China Coal Industry Association, co-organized by Shandong Coal Industry Association, and undertaken by Jining Energy Bureau and Jining Energy Development Group.

On the morning of November 10th, Ruiyu Company carried out the activity of "One Day Donation" with the theme of "Hand in Hand with Charity, Create Harmony", the leading members of the company took the lead in making donations, and all the employees actively participated in the activity. One Day Donation" activity.In order to do a good job of donation, the company set up a special charity donation working group, special deployment, unification of ideas, awareness-raising, clear objectives, to ensure that the charitable donations in an orderly manner.

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.

Pipe seam anchors in the process of usePipe seam anchors may encounter the following common problems in the process of use:1. Sinking or loosening of pipe seam anchors: sinking or loosening of anchors may occur after the anchors are subjected to loads.

Our delegation will take part in the Mining Exhibition in Moscow, Russia, April 23 - April 25, 2024

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.

In order to effectively improve the level of job skills of the company's employees and vigorously promote the smooth development of job training activities, the company carried out a job skills competition on November 28 in the anchoring agent workshop.The skills competition is divided into twisting tube, anchoring agent filling, cement filling three major projects, take the way of practical operation, the requirements of the specified time to complete the largest number of players and quality qualified for the first place in this project competition.

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

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.