Tensioning chain type conveyer

Abstract

The invention discloses a tensioning chain type conveyor. The tensioning chain type conveyor comprises a conveying pipeline. The conveying pipeline is provided with a feed port and a discharge port. The two ends of the conveying pipeline communicate with each other through a drive box. The conveying pipeline is internally provided with extensible and retractable pipe joints which are arranged in pairs, the two extensible and retractable pipe joints which are arranged in pairs are arranged on the two sides of the drive box and are arranged in parallel. Each extensible and retractable pipe jointcomprises an outer sleeve, wherein the two ends of the outer sleeve are provided with extensible and retractable pipes in an insertion manner correspondingly, and an adjusting bolt is arranged between each extensible and retractable pipe and the outer sleeve. By adopting the tensioning chain type conveyor, tensioning between a pipe chain wheel and a conveying pipe chain can be kept conveniently,and the conveying pipe chain and the conveying pipeline can coordinate with each other well.

Description

technical field [0001] The invention relates to a conveying machine, in particular to a pipe chain conveying machine. Background technique [0002] Pipe chain conveyor is a continuous conveying equipment for conveying bulk materials such as powder, small granular and small blocks, which can be combined horizontally, inclined and vertically, and is widely used in fine chemicals, pesticide ores, building materials, food industry and other fields. The pipe chain conveyor uses the pipe chain scraper in the closed conveying pipeline as the conveying member to drive the material to move along the pipeline. The pipe chain scraper is installed on the conveying pipe chain, and the conveying pipe chain corresponds to the conveying pipe. The entire pipe chain conveys The machine forms an annular channel, and a material inlet and an outlet are arranged on the annular conveying channel. Because the pipe chain conveyor has a closed conveying channel, it has been widely used in many occa...

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Problems solved by technology

Because the pipe chain conveyor has a closed conveying channel, it has been widely used in many occasions that require sealing, cleanliness, and environmental protection. However, the length of the conveying pipe chain and the length of the conveying pipeline must be Correspondingly, if the lengths of the two do not correspond, it will definitely affect the normal operation of the conveying pipe chain in the conveying pipeline, which will not only cause low conveying efficiency, but also cause a decrease in the service life of the pipe chain conveyor. The pipe chain conveyor can try to make the length of the conveying pipe chain correspond to the length of the conveying pipe during the manufacturing process, but after a period of use, the conveying pipe chain and the pipe chain sprocket will wear out, and the fit between the two will become loose , the pipe chain sprocket will also have the problem of elongation. The chain pair of ordinary mechanical transmission can be improved by tensioning the device or adjusting the center distance between the two sprockets, but not in the pipe chain conveyor. Simple only Although the tension adjustment for the conveying pipe chain can improve the coordination between the conveying pipe chain and the pipe chain sprocket and the tightness of the pipe chain sprocket, it will lead to poor cooperation between the conveying pipe chain and the conveying pipeline, which is not desirable appeared

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