Telescopic rubber belt conveyor for efficient coal gangue separating device

Abstract

The invention relates to the technical field of conveyors, in particular to a telescopic belt conveyor for an efficient coal gangue separating device. The device comprises a shell, a first belt wheel is rotatably connected to the inner wall of the shell, a second belt wheel is rotatably connected to the inner wall of the shell and located at the bottom of the first belt wheel, a power belt wheel is rotationally connected to the side, away from the second belt wheel, of the bottom of the inner wall of the shell, rectangular through holes are formed in the two sides of the shell, sliding rods are fixedly connected to the tops and the bottoms of the rectangular through holes, and a bearing seat is slidably connected between the two sliding rods. The power belt wheel is controlled to be close to or away from the first belt wheel by controlling the extension or shortening of an output shaft of a hydraulic cylinder and cooperating with the positive and negative rotation of a second motor, so that the conveying length of an adhesive tape is reduced or increased, the flexibility is improved, and the adhesive tape is not required to be cut off forcibly in the prior art; and additional adhesive tape segments are mounted on the cut adhesive tape by utilizing a nail buckle, so that the conveying distance of the adhesive tape is increased.

Description

technical field [0001] The invention relates to the technical field of conveyors, in particular to a retractable belt conveyor used for a high-efficiency coal gangue separation device. Background technique [0002] The retractable belt conveyor is mainly used for the raw coal transportation task of the coal mine mining face. It can form a material transportation process from the initial feeding point to the final unloading point on a certain conveying line. It can not only transport broken materials, but also transport finished items. Usually, the coal gangue fragments are transported from one end to the pneumatic screening device, and the pneumatic screening device screens the coal gangue and coal. At the same time, the screening structure on the top of the belt will divide the gangue into several rows, which is convenient for screening by the pneumatic screening device. [0003] At present, when the retractable belt conveyors on the market adjust the conveying distance of...

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Problems solved by technology

[0003] At present, when the retractable belt conveyors on the market adjust the conveying distance of the conveyor, it is often necessary to forcibly cut off the belt, and use the nail buckle to install the extra belt segment on the cut belt, and cooperate with the extended transmission structure. Thereby completing the increase of the tape transportation distance, the operation is cumbersome, more fasteners need to be wasted, and the service life of the tape itself is seriously reduced. gangue, or install support plates of different lengths at the bottom to support the belt, so as to transport a large amount of coal gangue, but due to sliding friction, the wear of the belt is relatively large, so there is an urgent need for an easy-to-adjust transportation length, which will not be adjusted during adjustment. A retractable belt conveyor for high-efficiency coal gangue separation device that damages the belt and increases the carrying capacity while reducing belt wear

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