Hydraulic Support

Hydraulic Support

 

a mining support in which the load-bearing elements (pillars or props), movement of the support, and the shifting of ceilings, protective coverings, and auxiliary units are performed by means of hydraulic devices.

References in periodicals archive ?
Chinese coal mine machinery industry took to hydraulic support research and development from the late 1960s, and introduced dozens of sets of hydraulic supports from the United Kingdom, Germany, Poland and the former Soviet Union in the 70s; after the trial use, imitation and lessons learned, the development and application of hydraulic support gained rapid development in the 1980s, accompanied by successive development and production of over 20 different specifications of hydraulic supports embracing TD series, ZY series and ZZ series.
com/research/fvcq35/china_hydraulic) has announced the addition of the "China Hydraulic Support Industry Report, 2013-2016" report to their offering.
Also, large hydraulic support legs level and stabilize the units to speed setup.
The topics include the strength and reliability analysis of hydraulic support, predicting wear life for a large diameter spool valve, simulating the ship production design process based on a hierarchical timed Petri net, a multi-objective oriented product design method for machine tools, and failure analysis on bearing of railway freight cars with radial bogle.
Inside, hydraulic support columns were installed in 2005 to keep some of the floors from sagging in this overcrowded, but academically successful, school.
A UK Coal spokesman said the accident happened as Mr Milner and three other men removed a hydraulic support shaft from an exhausted seam.
The robot Max, who stands on a stage that conceals power and hydraulic support equipment, employs a 36-axis real-time motion control system that consists of a master computer with two slaves, and seven high-speed DSP motion control sub processors.
A forklift brings out a backboard and its massive hydraulic support, and the scene is beginning to look like basketball.
Air 18 (1 Piece); Part 4 - Hydraulic Support For The Exchange Of Transmissions In Vehicles, Pcs.
Among fully-mechanized coal mining equipment, hydraulic support is the product with the largest number and investment.
Working closely on the unit's design with one of the company's long-time customers, GreyStone manufactures an automated log washer with a hydraulic support system tied to a PLC sensor that detects the tonnage going through the unit.
The section on machinery and engineering applications describes recent work in areas such as finite element analysis for hydraulic support, design of a shaft assignment radial piston pump, laser quenching paths of a numerical control algorithm, and physical simulation of virtual CNC turning.