(1) The environmental protection prop of high titanium alloy rigid composite single hydraulic prop with clear water as medium can be used without emulsion The cylinder is lined with stainless steel sleeve and will never rust. The surface of the living column and other main parts are treated with special materials. The clear water medium can be used to prevent the pollution of groundwater, which is in line with the national environmental protection policy and saves the medium cost. 

(2) Light weight and reduced labor intensity of workers The strength of the high titanium alloy steel material is 1.5 times that of the traditional single hydraulic prop material, and because of its high strength, the weight is reduced. Under the same cylinder diameter and the same support height, it is 20% lighter than the traditional single hydraulic prop, which can greatly reduce the labor intensity. 

(3) Good toughness, impact resistance and bending resistance The single hydraulic prop made of high titanium alloy steel has an elongation of 14% and a hardness of more than HRC40 °, so the high titanium alloy steel single hydraulic prop has strong impact resistance and bending resistance.

 (4) Reasonable pillar design and cost saving The cylinder block and the lengthening section are split structure, and the connecting sleeve is used to connect the pillar parts of different specifications, which can be universal, interchangeable, disassembled and repaired conveniently, which fundamentally solves the problem that the whole pillar is scrapped due to local damage of the traditional welding pillar. At the same time, with the change of coal seam height, as long as the lengthening section is replaced, the pillars of different height of 2.5m-4.5m can be obtained. 

(5) It can reduce the support density. Due to the high strength of the high titanium alloy steel single hydraulic prop, the support density can be reduced, and the use of the pillar is reduced compared with the traditional pillar, thus forming a spacious working space and reducing the working hours of support and column removal. 

(6) Long service life High titanium alloy steel single hydraulic prop, cylinder lined with stainless steel sleeve, the surface of the main components due to special anti-corrosion treatment, life is more than 8 times longer than the traditional pillar, with outstanding performance-to-price advantage. 

(7) High surface hardness and strong anti-collapse ability It is suitable for high-grade general mining (blasting) working face in all kinds of harsh environment. It is widely used in advance support of machine mining and large area use of withdrawing hydraulic support, and is suitable for the use of gob-side roadway retaining coal mining face.