{"id":4260,"date":"2025-12-11T00:00:44","date_gmt":"2025-12-10T16:00:44","guid":{"rendered":"https:\/\/www.ytchihong.com\/?p=4260"},"modified":"2025-12-11T10:14:52","modified_gmt":"2025-12-11T02:14:52","slug":"mastering-underground-drill-jumbos-a-hands-on-guide","status":"publish","type":"post","link":"https:\/\/www.ytchihong.com\/ru\/company-news\/mastering-underground-drill-jumbos-a-hands-on-guide\/","title":{"rendered":"Mastering Underground Drill Jumbos: A Hands-On Guide"},"content":{"rendered":"

 <\/p>\n

\"Mastering<\/div>\n

If you’re in mining or tunneling, you know the right tools make all the difference. \u041f\u043e\u0434\u0437\u0435\u043c\u043d\u044b\u0435 \u0441\u0432\u0435\u0440\u043b\u044b\u0435 \u0434\u0436\u0443\u043c\u0431\u043e<\/a> stand out as key players in getting the job done right. This guide walks you through everything from basics to advanced tips. Whether you’re an operator looking to sharpen your skills or a manager aiming to boost site efficiency, you’ll find practical advice here. Let’s dive in.<\/p>\n

What Is an Underground Drill Jumbo?<\/strong><\/h2>\n

These machines are built for tough spots below ground. They drill holes in rock for blasting or support bolts. Think of them as mobile rigs with arms that reach out to punch precise holes.<\/p>\n

Key Parts and Their Roles<\/strong><\/h3>\n

Every part counts in tight spaces. The boom acts like an arm, holding the drill and letting it move up, down, or sideways. The rock drill does the heavy lifting, spinning and hammering into stone. A sturdy chassis keeps it all steady, often on wheels or tracks for rough terrain. The cabin protects the operator, with controls that feel intuitive after a bit of practice.<\/p>\n

Hydraulics power most movements. They push fluid to make things happen smoothly. Some use electric systems to cut down on fumes in closed areas. Water systems flush out debris, keeping holes clean and drills cool.<\/p>\n

Why Use One in Your Work?<\/strong><\/h3>\n

Drilling by hand takes forever and risks lives. A jumbo speeds things up, hitting deeper and faster. It cuts costs over time by reducing labor and downtime. In mines, it preps for blasts that free up ore. For tunnels, it sets up supports to keep walls safe. Simple as that.<\/p>\n

\u0422\u0438\u043f\u044b \u043f\u043e\u0434\u0437\u0435\u043c\u043d\u043e\u0433\u043e \u0441\u0432\u0435\u0440\u043b\u0430 Jumbos<\/strong><\/h2>\n

Not all jumbos fit every job. Pick based on space and scale.<\/p>\n

Single Boom Models<\/strong><\/h3>\n

One arm means they’re slim and easy to maneuver in narrow spots. Great for small mines or tight tunnels. They handle basic blasting or bolting without fuss.<\/p>\n

These shine in spots where bigger rigs can’t fit. Operators like them for quick setup. But for large faces, they might slow you down.<\/p>\n

Double and Triple Boom Models<\/strong><\/h3>\n

Two or three arms let you drill multiple holes at once. Ideal for bigger projects like highway tunnels or large ore bodies. They cover more ground fast.<\/p>\n

With extra arms, productivity jumps. You finish shifts quicker. Just remember, they need more room to turn.<\/p>\n

Specialized Versions<\/strong><\/h3>\n

Some focus on long holes for deep blasting. Others drill upward for shafts. Fan hole types create patterns for ventilation. Match the type to your site’s needs. A wrong choice wastes time.<\/p>\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
\u0422\u0438\u043f<\/th>\n\u041b\u0443\u0447\u0448\u0435\u0435 \u0434\u043b\u044f<\/th>\nPros<\/th>\nCons<\/th>\n<\/tr>\n<\/thead>\n
\u041e\u0434\u0438\u043d\u043e\u0447\u043d\u044b\u0439 \u0431\u0443\u043c<\/td>\nNarrow tunnels<\/td>\nCompact, simple<\/td>\nSlower for large areas<\/td>\n<\/tr>\n
\u0414\u0432\u043e\u0439\u043d\u044b\u0439 \u0431\u0443\u043c<\/td>\nMedium projects<\/td>\nFaster drilling<\/td>\nNeeds more space<\/td>\n<\/tr>\n
\u0422\u0440\u043e\u0439\u043d\u044b\u0439 \u0431\u0443\u043c<\/td>\n\u041c\u0430\u0441\u0448\u0442\u0430\u0431\u043d\u0430\u044f \u0434\u043e\u0431\u044b\u0447\u0430 \u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0445 \u0438\u0441\u043a\u043e\u043f\u0430\u0435\u043c\u044b\u0445<\/td>\nHigh output<\/td>\nBulkier, higher cost<\/td>\n<\/tr>\n
Longhole<\/td>\nDeep ore extraction<\/td>\nPrecise deep holes<\/td>\nSpecialized use only<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

How an Underground Drill Jumbo Works<\/strong><\/h2>\n

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\"\u041f\u043e\u0434\u0437\u0435\u043c\u043d\u0430\u044f<\/div>\n

It’s all about power and precision. The machine positions the boom, then the drill spins and strikes. Water or air clears cuttings.<\/p>\n

Basic Working Principle<\/strong><\/h3>\n

Power comes from hydraulics or electricity. The bit rotates while hammering forward. Sensors in modern ones adjust for rock hardness. Automation helps with accuracy, reducing guesswork.<\/p>\n

Drilling methods vary. Percussive uses impacts for hard rock. Rotary twists through softer stuff. Choose based on what you’re facing.<\/p>\n

Applications in Real Jobs<\/strong><\/h3>\n

In mining, they prep blast holes to break rock. Tunneling uses them for anchors that hold ceilings. Even in construction, they drill for utilities underground. Versatility keeps them busy.<\/p>\n

Setting Up for Success<\/strong><\/h2>\n

Good prep avoids headaches later. Start right, and the day goes smooth.<\/p>\n

Site Preparation<\/strong><\/h3>\n

Check the ground for stability. Clear loose rocks. Ensure ventilation to handle dust and fumes. Mark drill spots from plans.<\/p>\n

Position the jumbo level. Use jacks if needed. Connect power or fuel lines securely.<\/p>\n

Initial Checks Before Starting<\/strong><\/h3>\n

Inspect booms for cracks. Test hydraulics for leaks. Sharpen or replace bits. Calibrate controls. Safety gear ready? Hard hat, goggles, gloves\u2014don’t skip.<\/p>\n

Run a dry test. Move arms, spin drills without load. Listen for odd noises.<\/p>\n

Step-by-Step Operation<\/strong><\/h2>\n

Operating isn’t rocket science, but practice helps. Follow these steps.<\/p>\n

Starting the Machine<\/strong><\/h3>\n

Turn on in the cabin. Warm up hydraulics. Set boom to neutral.<\/p>\n

Move to the face slowly. Watch for obstacles.<\/p>\n

Positioning and Drilling<\/strong><\/h3>\n

Extend boom to mark. Align with hole plan. Start slow rotation, then add percussion.<\/p>\n

Monitor depth. Pull back if rock shifts. Flush with water to clear.<\/p>\n

For multiple booms, alternate to balance load.<\/p>\n

Finishing a Hole and Moving On<\/strong><\/h3>\n

Retract when done. Check hole for straightness. Move to next spot.<\/p>\n

Shut down between shifts. Clean up debris.<\/p>\n