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ZWY-LG Series Crawler Scraper Mucking Loader
- Scraper-chain conveying, no belt
- Crawler-mounted underground mobility
- Integrated gathering, conveying, unloading
- Four models for varied tunnels
Product Introduction
The ZWY-LG Series Crawler Scraper Mucking Loader is designed to collect and load loose excavated material in underground mines and tunnel construction projects. It integrates a hydraulic front gathering mechanism, a scraper-chain conveyor, and a rear discharge system on a crawler-mounted chassis, bringing material handling together in one machine.
Built for working faces where space, roadway access, and reliable material transfer must be considered together, the ZWY-LG Series helps move broken rock, ore, and tunnel spoil from the excavation area to the next stage of transport. Its crawler travel system and scraper conveying arrangement make it an option for projects that require a tracked loader with a mechanical scraping conveyor rather than a belt conveyor.
Working Principle
The machine approaches the working face on its crawler tracks. A hydraulically operated front digging arm gathers loose material from the floor and directs it into the receiving section of the scraper conveyor. Inside the conveyor trough, moving scraper flights carry the material toward the rear of the machine, where it is discharged into a suitably positioned mine car, truck, or other receiving equipment.
Gathering, conveying, and unloading are connected within the same working cycle. As the face advances, the loader can be repositioned along suitable roadways, allowing excavated material to be removed in an orderly manner while keeping the transfer route between the working face and haulage equipment straightforward.
Application Environment
The ZWY-LG Series is intended for mechanized muck handling where excavated material must be removed from an underground working face. Typical application environments include:
Underground Mine Development: Gathering blasted rock, broken ore, and waste material from mine headings, drifts, and underground roadway construction.
Tunnel and Gallery Excavation: Transferring loose spoil from confined excavation areas to compatible underground transport vehicles.
Crawler-Accessible Roadways: Serving sites where floor condition, traction, grade, and available travel space favor consideration of a tracked loading machine.
Material-Handling Workfaces: Supporting operations that need a front gathering mechanism and scraper-chain conveying to work as a coordinated loading system.
Site suitability depends on the actual tunnel cross-section, ground bearing conditions, gradient, material characteristics, and haulage layout. These should be checked against the selected model before operation.
Product Features
Crawler-Mounted Mobility: A tracked undercarriage provides a broad contact area for supporting and moving the loader along suitable mine and tunnel floors.
Scraper-Chain Conveying: Moving scraper flights transport collected muck through a conveying trough toward the rear discharge point, providing an alternative to belt-based material transfer.
Integrated Gathering and Loading: The hydraulic front working mechanism, scraper conveyor, and rear discharge operate as a linked process, reducing the need for a separate intermediate loading stage.
Flexible Discharge Arrangement: Model-specific adjustable unloading heights and extendable discharge distances help accommodate compatible haulage vehicles and site layouts.
Choice of Models: Multiple machine sizes and working ranges allow buyers to evaluate tunnel clearance, excavation profile, material conditions, and transport requirements when selecting a loader.
Planning an underground mucking project? Tell us about your tunnel dimensions, floor conditions, excavated material, and receiving vehicles so we can help you compare suitable ZWY-LG models.
Technical Specifications
Compare the specifications of the four ZWY-LG Series models. On smaller screens, swipe horizontally to view the complete table.
| Specification / Model | ZWY-60LG | ZWY-80LG | ZWY-120LG | ZWY-150LG |
|---|---|---|---|---|
| Overall Dimensions (L × W × H) (mm) | 5500 × 1500 × 1600 | 7000 × 1850 × 2100 | 8700 × 2200 × 2400 | 9000 × 2400 × 2600 |
| Loading Capacity (m³/h) | ≤60 | ≤80 | ≤120 | ≤150 |
| Total Machine Weight (kg) | 7000 | 7200 | 9800 | 11200 |
| Excavating Width (mm) | 3000 | 4200 | 4000 | 4200 |
| Excavating Height (mm) | 2500 | 3000 | 4000 | 4200 |
| Excavating Depth (mm) | ≤540 | ≤640 | ≤720 | ≤750 |
| Applicable Climbing Gradient (°) | ≤25 (hard ground) | ≤25 (hard ground) | ≤28 (hard ground) | ≤28 (hard ground) |
| Minimum Applicable Tunnel Cross-section (m) | 2.2 × 2.2 | 2.6 × 2.6 | 3.3 × 3.3 | 3.5 × 3.5 |
| Excavating Reach (from bucket edge) (mm) | 1600 | 1800 | 1800 | 1800 |
| Minimum Turning Radius (m) | ≤5 | ≤3 | ≤9 | ≤11 |
| Unloading Height (mm) | 1500 (adjustable higher) | 1700 (adjustable higher) | 2100 (adjustable higher) | 2200 (adjustable higher) |
| Unloading Distance (mm) | 1850 (extendable) | 2500 (extendable) | 3400 (extendable) | 3600 (extendable) |
| Motor Power (kW) | 37 | 37 | 45 | 55 |
| Travel Speed (m/s) | 1.25 | 1.25 | 1.25 | 1.25 |
| Maximum Material Passing Size (mm) | 600 × 500 | 600 × 500 | 700 × 800 | 750 × 850 |
| Minimum Ground Clearance (mm) | ≥260 | ≥260 | ≥260 | ≥260 |
| Average Crawler Ground Pressure (MPa) | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 |
Note: Specification values, inequality signs, and adjustment descriptions are retained as provided for each model. Please confirm the final configuration and jobsite suitability before ordering.
Frequently Asked Questions (FAQ)
How is a crawler scraper mucking loader different from a crawler belt mucking loader?
Both combine front-end material gathering with crawler travel and rear discharge. The main difference is the conveying system: the ZWY-LG Series uses a scraper-chain conveyor to move excavated material along a conveying trough, whereas a crawler belt model transports material on a conveyor belt. Selection should take into account the material, working conditions, and preferred handling arrangement.
What material can the ZWY-LG Series load?
The machine is intended for loose excavated material such as blasted rock, broken ore, waste rock, and tunnel spoil. Material size, abrasiveness, moisture, and any tendency to jam should be reviewed against the chosen model and the actual site conditions.
Where is crawler-mounted travel most useful?
A crawler undercarriage can be considered for underground roadways where floor contact, traction, and machine stability are important. Floor bearing capacity, slope, surface condition, and safe access must still be checked before operation.
Does the scraper conveyor load material directly into haulage vehicles?
The front working mechanism gathers loose muck and feeds it into the scraper conveyor, which moves it toward the rear discharge point. With a suitable receiving vehicle positioned correctly, material can be transferred directly into a mine car, truck, or other compatible haulage equipment.
Can the unloading arrangement be adapted to the receiving vehicle?
The ZWY-LG models have adjustable unloading heights and extendable unloading distances as shown in the technical table. Before choosing a configuration, check the receiving vehicle height, loading opening, roadway clearance, and discharge position.
What should I provide to select the correct ZWY-LG model?
Please share the tunnel width and height, excavation profile, floor conditions and gradient, expected material type and lump size, target loading requirement, turning space, and dimensions of the receiving vehicle. These details help narrow down a suitable model and discharge arrangement.
Contact Us for a Quote. Share your project requirements, underground roadway conditions, and transport arrangements. We can help you review the ZWY-LG crawler scraper mucking loader range and identify a suitable configuration.
