Rolling-wheel type scraping plate chains for coal cinder conveyor

Abstract

The invention relates to conveying machinery, in particular to rolling-wheel type scraping plate chains for a coal cinder conveyor, comprising rolling wheels (2), an inner chain sheet (1), an outer chain sheet (8), a pin shaft (4), a scraping plate (7) and a positioning shaft (6). The pin shaft (4) penetrates through the outer chain sheet (8), the inner chain sheet (1), the rolling wheels (2), the inner chain sheet (1) and the outer chain sheet (8) in sequence; the chains are double-row chains; the scraping plate (7) is fixed on the outer chain sheet (8) on the inner side between the two rows of chains through the positioning shaft (6); each rolling wheel (2) comprises a rolling wheel body (21) and a rolling wheel rim (22); the external diameter of the rolling wheel rim (22) is larger than the external diameter of the rolling wheel body (21); the rolling wheel rim (22) is arranged on one side of the rolling wheel body (21); one side of each of the four rolling wheels (2) is provided with an edge; the rolling wheels (2) can run on guide rails (15); each rolling wheel (2) is internally provided with a bushing (3); the pin shaft (4) is externally provided with a shaft sleeve (5); and the shaft sleeve (5) is sleeve on the pin shaft (4). The scraping plate chains can convey stably. The scraping plate can keep a certain distance with the bottom of a rectangular groove, so that the frictional resistance and the abrasion loss of the scraping plate chain are both reduced, and the coal cinder conveyor can operate reliably.

Description

technical field [0001] The invention relates to a conveying machine, in particular to a roller-type scraper chain for a coal slag conveyor, which is suitable for conveying coal slag in small and medium-sized industrial boiler rooms. Background technique [0002] Among the domestic small and medium-sized industrial boiler rooms, the horizontal chain grate boiler with a rated evaporation of 4~20t / h is the most widely used. Whether it is a quick-installed boiler or an assembled boiler, it either has a spiral slag remover or With a disc slag remover, or with a Martin slag remover, etc., to prevent cold air from entering the furnace from the slag outlet when the boiler is running, so as to achieve the purpose of water sealing and slag discharge. Generally, when a single boiler is arranged, a trolley is placed under the slag outlet of the slag remover, and when it is full, it is pushed to the outdoor yard for unloading. When multiple boilers are arranged, this kind of slag re...

AI Technical Summary

Problems solved by technology

[0006] When these two kinds of slag removers are running, the scraper chain as the return branch runs on the support rollers set at a certain distance on the upper part of the rectangular water tank, and the scraper chain as the working branch drags and transports slag in a state of direct friction with the bottom of the rectangular water tank. Its frictional resistance and wear amount are very large, the matching driving power is also large, and the mechanical life is short

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