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Ruiyu Company Held a Lecture on Rebar Anchor and Mining Anchor BoltsIn order to further promote the in-depth development of the activity of “Year of Improving the Grassroots Basis of Safety Production”, enhance the awareness of life safety of the whole staff, and create a strong safety propaganda atmosphere, Ruiyu held a speech contest with the theme of “Fear of Life, Safe Development, Starting from Me” on the morning of Nov. 26th. On the morning of Nov. 26, Ruiyu Company held a speech contest with the theme of “Respect Life, Safe Development, Starting from Me”.

The anchoring force test method of left-handed longitudinal ribless anchorsLeft-handed anchor without longitudinal rib has high strength, reasonable structure, large pre-tensioning force, can automatically adjust the direction of force, increase the binding force on the surrounding rock, and can realize mechanized rapid installation.Advantages of left-handed anchor:High strength anchor, reasonable structure, large preload, can automatically adjust the direction of force, increase the binding force on the surrounding rock, can realize the mechanization of rapid installation.

Shandong Ruiyu carries out the work of “Work Safety Law” promotion and implementationIn order to create a strong atmosphere of production safety, Ruiyu Company took the opportunity of studying and implementing the new “Work Safety Law” to actively carry out various forms of safety activities, guide the workers to operate in a formal manner and according to the rules, improve the workers' safety awareness and independent security ability, and ensure the safe production in the fourth quarter.First, the use of pre-shift meetings, safety learning and other forms of centralized study of the new

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

Ruiyu Company's Mass Line Education and Practice Activity of the Party Successfully Carried OutIn order to solidly promote the in-depth development of the Party's mass line education and practice activities, according to the deployment arrangement of Ruiyu Support [2024] No.15 "The Company's Party Committee Deeply Carries Out the Work Implementation Plan of the Party's Mass Line Education and Practice Activity", combining with the actual situation, Ruiyu Company researches and discusses and formulates Ruiyu Company's activity study plan and study system, and compl

Striving hard to show the style and drumming up energy to create good resultsOn April 8, the group company held a commendation meeting for the 2024 Staff Skills Competition, and commended the winning units and individuals of the skills competition, and all the six contestants selected by Ruiyu Workshop won the awards.

 Ultra-Deep Coal Mining Vertical Shaft To Crack The Support Problem  A few days ago, a group company improved the design of cyclic step of over-head support, which solved the problems of roof crushing caused by repeated support.

Factors affecting the quality of anchor tray determinations(1) Environmental temperature change, due to thermal expansion, the balance of the unequal arm and other reasons, will make the balance of the zero point and the equilibrium point of change, the value of the occasional deviation can be up to a number of times the balance of the sensibility. Thus, the balance room should be a constant temperature, first-class, second-class standard balance and first and second-class laboratory balance should be 20 ℃ ± 2 ℃ under the conditions of work, the accuracy of a little lower to reach 20 ℃ ± 5 ℃.

Background on Hollow AnchorsTo better understand the mechanics involved in load transfer between anchors and mine rock, the Bureau of Mines initiated a program to study the load transfer mechanics of passive, fully grouted hollow anchors. This work was accomplished in support of the Bureau's goal of improving the underground safety of the nation's miners. The first phase of the study was conducted in the laboratory to examine the linear, nonlinear, and time-dependent behavior of anchor rods under varying load conditions.

33mm Split Tube Seam Anchor AdvantagesAs a kind of rock support equipment used in underground mining and civil engineering projects, 33 mm pipe seam anchor shows many advantages in engineering practice. First of all, its high load-bearing capacity is one of the main features of this anchor.