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Mining overall long life hose

Harsh environment total long life mining hose

Low bending: bending radius is 34% lower than ISO18752 Class C standard
High pressure: The pressure is 25% higher than SAE/DIN standard.
Long life: The number of hose pulses exceeds 1 million times.
Zero leakage: Using Letone Technology’s self-developed hose connectors and hydrogenated nitrile seals, the service life can exceed 5 years (two-year warranty).
Good service: Integrated solutions for pipeline systems, striving to provide five "saving" services of "saving time, effort, trouble, money and worry".

Harsh environment 1: The on-site installation environment of coal mine fully mechanized mining equipment is poor. Coal mine fully mechanized mining equipment, represented by hydraulic supports, is mainly used for underground coal mining operations. Due to the narrow space and complex environment during underground coal mining operations, the installation and debugging of coal mine fully mechanized mining equipment have become extremely difficult.

Harsh environment 2: The coal mine's fully mechanized mining equipment is in a harsh environment and bears a large load, which has a strong impact on the hydraulic system, causing the hydraulic system to easily malfunction, thus affecting the safety of coal mine production.

Harsh environment three: The complex coal mining environment and changes in external factors can easily cause wear and tear on the hydraulic pipelines of fully mechanized mining equipment such as hydraulic supports, which in turn can cause the outer rubber of the hose to rupture, the steel wires in the pipe body to rust and break, and the hose body to explode, leading to Hydraulic system components operate abnormally and are prone to failure. The replacement frequency is high and the replacement cost is high.

Harsh environment four: The hose assembly made of carbon steel, as a hydraulic system component of fully mechanized mining equipment, is exposed to chemical waste liquid and humid environment for a long time, and the joints are easily corroded. The running, popping, dripping, and leaking of production equipment and pipelines due to corrosion will seriously affect the production cycle and equipment life of the production equipment, and increase production costs.

Mining overall long life hose

Tube: Nitrile/Neoprene synthetic rubber, suitable for biodegradable hydraulic fluids.
Reinforcement layer: one layer of steel wire braiding (1/2"-3/4"), pulse ≥ 300,000 times; four layers of steel wire winding (1"-2"), pulse ≥ 1 million times.
Outer rubber layer: Standard tube: no-peel, wear-resistant, weather-resistant synthetic rubber; Wear-resistant tube: no-peel, high wear-resistance, weather-resistant synthetic rubber;
Super wear-resistant hose: peel-free, super wear-resistant, weather-resistant UHMWPE.
Temperature range: -40℃~+121℃ (-40℉~+250℉).
Implementation standards: Exceeds ISO18752-AC/CC standards.
Bending radius: 41% less than ISO18752 standard; 47% less than SAE standard; pressure exceeds SAE standard 60%.

Success case

Zhengzhou Coal Machinery Customized R&D Case

Regarding the mining hydraulic supports produced by Zhengzhou Coal Mining Machinery Group Co., Ltd., Letone Technology's R&D team went to the site to conduct an evaluation and specially developed the Super Hercules low-bend series hoses with low bending, high pressure, and long life to continue to improve coal mining equipment. With its safety, stability and reliability, it can completely replace the foreign mining hoses used for a long time in this mining equipment, and important components can be independently controlled.

Beizhou Coal Machinery Customized R&D Case

In view of the fact that the support equipment produced by China Coal Beijing Coal Mining Machinery Co., Ltd. has extremely high corrosion resistance requirements for mining hydraulic hoses and joints, Letone Technology went deep into the use site and adopted a corrosion-resistant design for the joint materials based on the on-site use environment. , providing BMC with harsh environment solutions for mining assemblies. It can meet the requirements of comprehensive coal mining units represented by hydraulic supports to transport coal oil, water-based hydraulic oil or water under extremely high pressure and harsh conditions, and improve mine safety and production efficiency.

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