hydraulic prop -凯发k8国际娱乐官网入口

hydraulic props introduction

coal mining support machine dw single hydraulic prop is constant resistive pillar, which can match with a variety of roof beams and also could be used as the primary column. mechanized coal mining for coal generally or blasting mining face plate supporting items are also available for mechanized coal face end support or other temporary support to use.
dw single hydraulic prop with metal hinged roof beams for general mechanized coal mining face gun and mechanized mining face ends with a roof or temporary payment for coal seam angle is less than 25 ° of face, to take certain measures, also can be used to dip 25 ° - 35 ° stopes. this series of hydraulic prop, good stability, technical performance advantages prominent, high-grade coal mining face will be the single support height from 2.5 meters to 3.5 meters, 3.5 meters below the coal mining can achieve one full-height, while for the coal seam thickness of 4.5 m below provides end face and advance support.

main advantages

(1)strong anti-bias load capacity and greater stability.
dwx strut suspension using plunger technical principle, the hydraulic suspension force plunger directly through the lumen of the role of pillars on the top cover, so that the hydraulic suspension forces share the pillars around four-fifths of the working resistance, so that the shaft plunger upward force is only one-fifth of the working resistance, improved pillar of stability and security, but also greatly increased the height of the support pillars and carrying capacity;

(2)high reliability
dwx-type pillar in the column is no longer the arc welding process which is not easy to guarantee the technics, but also improve the strength and reliability of the column, avoiding roof collapse and other accidents caused by the weld fracture, to ensure the safety of staff.

(3) light weight
according to pillar different specifications, the entire column is now at home and abroad with the weight ratio pillar reduce 15-30%, but the resistance of its work, the working stroke and stability safety factor was higher than the aluminum pillars.

(4)long working stroke
using a wide range of working stroke with dwx large pillars, expanding the scope of use, can also reduce the pillars specifications and varieties, especially the larger roof sinking face. dwx type pillar still meet the big drop at constant increasing resistance, not only prop convenient, but also improve the pillar recovery, reducing the pillar consumption, lower production costs.

(5)convenient to use
both at home and abroad hydraulic prop is to install three valves in the living column stigma welding, when the plunger is raised, the operator must follow its rise, especially for higher face, the operator is very convenient nor safe; while dwx series pillar three valves located on the handle body, when the injection fluid, three valves do not live with the column temperature increased, easy to operate, safe and reliable.

advantages.1

our companies to actively participate in railway and mining construction for more than 30 years. for the domestic railway, coal mines, subway,ports, such as steel rail transport to open in the field of equipment shortages, roads, offers a wide range of materials.

advantages.2

in order to strictly control the quality of each product and ensure that all our railway and mining equipment meet international standards and our customers' expectations, our advanced manufacturing equipment includes the following: vertical milling machining center ,numerical control lathe, numerical control cutting,and all kinds of equipment more than ten hundreds .