Speed reducer for conveyor

Abstract

The invention relates to a main drive device on a scraper conveyor for mines, in particular to a speed reducer for a conveyor, and aims to provide the speed reducer for the conveyor with the advantages of novel structure, small volume, large bearing capacity, and excellent performance. The speed reducer for the conveyor comprises a body, a drive mechanism, a cooling system and a sealing element. The drive mechanism comprises an input bevel gear shaft, an intermediate gear shaft, an output inner gear shaft, and a planetary gear train. The input bevel gear shaft is provided with a bevel gear end; the intermediate gear shaft is provided with a bevel gear and a cylindrical gear which are meshed with the bevel gear end; the output inner gear shaft is provided with a cylindrical wheel meshed with the cylindrical gear; the planetary gear train comprises a sun gear, a planet carrier, a planet gear and an annular gear which is fixed on the body; the output inner gear shaft is connected with the periphery of the sun gear in a positioning mode through crowned teeth; the sun gear and the annular gear are arranged coaxially; the planet gear is positioned between the sun gear and the annular gear and meshed with the sun gear and the annular gear respectively; and the planet carrier and the output inner gear are arranged coaxially.

Description

technical field [0001] The invention relates to a main transmission device on a mine scraper conveyor, in particular to a conveyor reducer. Background technique [0002] In recent years, my country's self-developed high-power shearer, large-capacity and large-inclination heavy-duty scraper conveyor and loader have reached the international advanced level. However, as an important equipment for underground coal mining and coal transportation: heavy-duty scraper conveyors and loaders, the core part of the power transmission - the reducer has special requirements: such as a small underground space but requires a large output torque and load start, High ability to withstand strong impact; coal mining produces a lot of smoke and dust, and the humidity of the air is very high, which requires high sealing of the reducer, and the poor heat dissipation of the reducer requires the reducer to have high transmission efficiency and an efficient cooling system. The noise control of machi...

AI Technical Summary

Problems solved by technology

However, as an important equipment for underground coal mining and coal transportation: heavy-duty scraper conveyors and loaders, the core part of the power transmission - the reducer has special requirements: such as a small underground space but requires a large output torque and load start, High ability to withstand strong impact; coal mining produces a lot of smoke and dust, and the humidity of the air is very high, which requires high sealing of the reducer, and the poor heat dissipation of the reducer requires the reducer to have high transmission efficiency and an efficient cooling system. The noise control of machinery used in coal mines is also an important indicator, because huge vibration is an important hidden danger in coal mines, which may cause landslides and failure of monitoring and communication equipment, so there are also higher restrictions on the noise of reducers, etc.

[0003] The currently used conveyor reducers all adopt a three-stage reducer arranged in parallel, which is mainly composed of the body, the first shaft, the second shaft, the third shaft and the fourth shaft. The first and second shafts are decelerated by bevel gears. , the second, third, third, and fourth shafts are all geared to reduce speed, and the fourth shaft is output. In view of the special requirements of the above coal mine reducer, the above reducer cannot meet the requirements of high-power and large-capacity heavy-duty scraper conveyors. machine, belt conveyor deceleration requirements, so this type of reducer is still imported equipment

Images