(1) Bearings: The bearings in mining machinery bear the full load of the machine, so proper lubrication is crucial for their lifespan. It directly affects the machine's service life and operational efficiency. The lubricating oil must be clean, and the seals must be effective. （2）新安装的轮箍容易发生松动必须经常进行检查。 （3）注意检查机器各部位的工作是否正常。 （4）注意检查易磨损件之磨损程度，随时注意更换被磨损的零件。

The mining machinery industry is a vital sector that provides equipment for the extraction and processing of solid raw materials, materials, and fuels. It serves key industries such as ferrous and non-ferrous metallurgy, coal, building materials, chemicals, and nuclear industries, and its products are also widely used in foundational infrastructure projects like transportation, railroads, construction, and hydropower.

The DTH drill is a percussion rotary drilling rig with an internal structure different from standard rock drills. Its air distribution and piston reciprocating mechanism are independent, forming a hammer. The front end is directly connected to the drill bit, while the rear connects to the drill rod.

I. Preparation Phase 1. Ground Survey: Before construction, conduct a ground survey to assess the geological conditions and identify any underground obstacles, providing essential data for subsequent work. 2. Equipment Check: Ensure that all components of the DTH drilling rig, including the main machine, drill rods, and hydraulic systems, are in good condition to ensure smooth operation during the project. 3. Staff Training: Provide pre-job training for operators, covering equipment handling, safety precautions, and emergency procedures to ensure they possess the necessary skills and knowledge.

Integrated hydraulic DTH drilling rigs are widely used for blast hole drilling in open-pit projects such as metallurgy, mining, building materials, railways, hydroelectric construction, national defense construction, and earthwork, as well as underwater drilling and reef blasting operations. They feature belt-driven movement, false rotation advancement, drill frame compensation, and hydraulic-driven drill leveling. Compressed air output from a screw-type air compressor is used as the power source for impact drilling and blast hole flushing. The operating air pressure range is 1.05-1.4MPa, equipped with a dry laminar flow dust collector. The drilling tool uses an Ingersoll Rand high-pressure DTH hammer, capable of drilling holes with diameters of 90-180 millimeters and depths of up to 30 meters for vertical or inclined blast holes. The integrated hydraulic DTH drilling rig is currently the most advanced in China

DTH (Down-the-Hole) drilling rigs are mechanical equipment used for geological exploration or engineering construction. They can drill on land or underwater to obtain geological information or complete construction projects. The structural components of a DTH drilling rig generally include the following parts: