● Power system: It adopts Yuchai supercharged engine, with large reserve torque, strong power, and durable construction; the failure rate is low, the maintenance is simple, and it adapts to harsh working conditions such as high temperature and humidity underground. 1. In recent years, domestic engines have mature and stable technology. The turbocharged engine is more suitable for working at high altitudes, with sufficient air intake, sufficient combustion, stronger power, good emissions, and less roadway pollution. 2. The engine is more cost-effective. The equipment working environment in the tunnel is bad (humidity, dust, etc.), labor intensity is high (8-20 hours/day), and untimely maintenance and other factors can easily cause early engine wear, black smoke, and power after one year. Problems such as descent need to be overhauled. Imported engine maintenance costs are high, the cost of a major overhaul ranges from 30,000 to 40,000 yuan, and some parts need to be purchased from abroad, and the waiting time is long; while the domestic engine assembly price is about 30,000 yuan, and the parts are universal and the price is lower. Easier to purchase.
● Transmission system: adopts Liugong BS306 twin-turbo gearbox, with two forward gears and one backward gear, with high transmission efficiency, and is matched with a closed multi-disc wet brake drive axle for mining machinery with high speed ratio, with large input torque and high transmission efficiency. It works smoothly, realizes low speed and high torque, makes the first gear shovel load more powerful, the bucket is easy to fill, and the work efficiency is high.
● Working system: using pilot control to make the work easier and more efficient.
● Electrical system: It is designed to be waterproof and moisture-proof to adapt to wet conditions in underground mines.
● Brake system: The service brake is a multi-disc wet brake, and the parking brake is a spring brake and hydraulic release, which makes the brake safe and reliable. Wet brakes wrap the brake discs, brake calipers, and brake pads and lubricate them with oil. The mud, sand and water mixture cannot enter, avoiding damage to the brake components. Within two years, there is no need to replace the brake components, reducing the frequency of maintenance, and the braking effect is better.
● Exhaust gas purification system: adopts water filtration device + oxidation catalyst to achieve two-stage filtration. Exhaust gas is discharged in the form of water mist and quickly settles to the ground, which greatly reduces air pollution and protects the roadway environment and the physical and mental health of the driver.
● The engine air intake adopts an oil-bath air filter, which replaces the ordinary paper air filter (the paper filter element will be deformed and blocked due to the moisture in the intake air and lose the filtering effect), and there is no need to replace the filter element.
● The steel frame of the vehicle is thickened, and the rigidity of the vehicle is enhanced. The bucket blade is made of high-strength alloy steel, which is wear-resistant and shear-resistant. The V-shaped structure reduces the resistance of shoveling and has a longer service life.
● Smooth wear-resistant and puncture-resistant tires are used, and four tire protection chains are used to make the tires have a longer service life.
● Strong climbing ability, full load maximum climbing 16°, with the assistance of hoist, it can be used for excavation of slopes within 28°, instead of slagging machine.
| No. | WJ-3.0 | Data |
| 1 | Bucket capacity (m³) | 3.0 |
| 2 | Rated load (T) | 6.0 |
| 3 | Operating weight (T) | 17.6 |
| 4 | Speed (km/h) | 0-28.5 |
| 5 | Forward gear (km/h) | I 0-9.5 II 0-28.5 |
| 6 | Reverse gear (km/h) | I 0-12.8 |
| 7 | Max. climbing gradient | 16° |
| 8 | Overall dimension (L×W×H mm) | 8250×2100×2320 |
| 9 | Min. turning radius (mm) | 6800 |
| 10 | Wheel base (mm) | 2750 |
| 11 | Wheel tread (mm) | 3668 |
| 12 | Max. dumping height (mm) | 2100 |
| 13 | Dumping reach (mm) | 1750 |
| 14 | Engine model | WEICHAI WP6 |
| 15 | Rated power (kW) | 129 |
| 16 | Tyre model | 17.50-25 |
(1) Working system: The use of pilot control makes the work easier and more efficient.
(2) Braking System: The use of multi-disc wet brake drive axle makes braking safe and reliable. Wet brakes wrap the brake discs, brake calipers, and brake pads and lubricate them with oil. The mud, sand and water mixture cannot enter, avoiding damage to the brake components. Within two years, there is no need to replace the brake components, reducing the frequency of maintenance, and the braking effect is better.
(3) Exhaust gas purification system: It adopts oxidation catalyst + water filtration device to achieve two-stage filtration. Exhaust gas is discharged in the form of water mist and quickly settles to the ground, which greatly reduces air pollution and protects the roadway environment and the physical and mental health of the driver.
(4) Engine air intake: an oil-bath air filter is used to replace the ordinary paper air filter (the paper filter element will be deformed and blocked due to the moisture in the intake air and lose the filtering effect), and there is no need to replace the filter element.
(5) It adopts smooth wear-resistant and puncture-resistant tires and is equipped with four tire protection chains to make the tires longer service life.
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Sinosun Technology Group Co.,Ltd.
Address : Yuncheng Industry Zone, Heze City, Shandong Province, China
Tel : +86 530 6531227
Cellphone : +86-13561392361
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