Scrapers will become the leading equipment for underground mining

2 Measure, no oil leakage occurred. Nitrogen 3.2 Increased number of turns. Prior to the Tesh roll seal rolling, a split washer of thickness 5 was added to ensure that the two oil seals and lifting cylinder were partially fitted with the original spacer ring. In the position, the first seal ring cooperates with the lifting coil, and part of it is in the original pressure position, so as to increase the position of the reel at the position of the spacer ring and the position of the cover, the abrasion and the dislocation point can be achieved. Better coordination, energy efficiency, and prevention of oil leakage.

Cover; 2 glands; 3 screw inspections; 4 rubber seals; 9 spacers; 6 lift drums; 7 washer scrapers will be the leading equipment for underground mining Downhole Scrapers Market Status Atlas Copco Wagner AG In the early 90s, the 8-bit 152 scraper was launched. Its load has reached 20.5 tons. It is currently the shoulder of foreign large-scale diesel scrapers. As the mid-1990s, the company has successively introduced the new buckles (1) and D (4). The new 31 series of transporters employs many new technologies and new structures, which greatly increase the production capacity, reduce operating costs, and improve the driver's safety comfort and maintain access to also Sandvik. In addition to significant improvements to the original 500 series and 150 series scrapers, Tamluck also produced the largest Dingo 02500 electric scraper with 25 tons of load and the new D 0 with only 0,7 load of 10 tons. Like 4010 load 16.1 tons of diesel production machine, making it more secure and reliable, and improve production efficiency, but also can work in more difficult conditions such as South Africa gold working environment temperature is about 5 years j United States Caterpillar and The Australian joint venture is producing five models of R series scrapers, of which the R2900 has a load of 20 tons and only he can compete with the world's two largest scraper production companies. Downhole Scraper Technical Features Power Source The main source of power is the air-cooled diesel engine produced by Deutz, a low-polluting diesel engine produced by companies such as Deutz Caterpillar and Detroit. Use reliable. Easy to maintain, it is used by most scrapers. The Teilele diesel engine is known for its long service life and reliability. Detroit 60 series diesel engine adopts advanced microcomputer electronic control system to accurately control the amount of fuel and fuel injection time, so that the fuel consumption can be reduced, the smoke and emissions can be reduced, the machine life can be long, and the fault location can be eliminated. For troubleshooting.

Most of the power trains abroad use Clark's torque converters and gearboxes. They are characterized by simple structure, reliable use, good performance and long service life. They can achieve high efficiency in any application. Some of the scrapers also use Caterpillar gearboxes. The gearboxes are planetary gear powershifts. There is no need to park when shifting. The parking stick can reliably lock the gearbox in the neutral position while parking. Drive bridge is mainly used Clarke. Caterpillar Vaubel, 4 is the company's planetary rigid bridge. With a large number of Clarke companies, this bridge is equipped with a standard differential or a self-locking differential. In recent years, limited slip differentials have begun to be used. In addition to the anti-slip effect, the vibration load of the self-locking differential is also eliminated.

Working Organization. The boom adopts a type 2 reverse six bar or lever mechanism. It is combined with a high pressure hydraulic system to provide a larger excavation force for the bucket. It can quickly load rocks, increase the bucket loading factor, and increase labor productivity. .

Manipulation and Monitoring System In order to greatly improve the operating performance of the scraper, the Clarke Company of the United States has developed a human-type automatic shifting mechanism that automatically shifts gears according to the best time. In addition, electronic variable selector 3 and electronic control speed control components are also provided to improve the operational reliability and operational safety of the scraper by changing the operation and smoothness. An electronic monitoring system is being used abroad and it can be used for scraping. The production conditions of the machine are monitored, and the oil temperature and oil pressure of the engine can also be monitored. Operating parameters such as oil temperature and oil pressure of the gearbox, the system will advise the driver to stop or stop automatically according to the situation. The wireless system can be installed on the monitoring system is a communication module. This can be incorporated into the entire mine network operation.

unmanned. With the improvement of automation and the need for production development, many scraper manufacturers are developing and producing unmanned scrapers. Now the focus of scraper technology development has shifted to improving overall machine performance and reliability. Productivity, increased operator comfort and high degree of automation above, 1 taken from China Mining News

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