Moving roller dual-protection device of crusher
The utility model relates to engineering machinery, and in particular relates to a moving roller dual-protection device of a crusher. The dual-protection device comprises a stander, a shaft base for mounting a roller shaft and a pressing plate on the side face of the shaft base, wherein the shaft ba...
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Sprache: | eng |
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Zusammenfassung: | The utility model relates to engineering machinery, and in particular relates to a moving roller dual-protection device of a crusher. The dual-protection device comprises a stander, a shaft base for mounting a roller shaft and a pressing plate on the side face of the shaft base, wherein the shaft base is mounted on the stander in a sliding manner; a spring is arranged between the pressing plate and the shaft base; a support plate is arranged on the other surface of the pressing plate, opposite to the spring; the support plate is fixedly connected to the stander; an oil cylinder through hole is formed in the support plate; a hydraulic oil cylinder is fixedly mounted on the stander and the support plate; and a telescopic rod of the hydraulic oil cylinder runs through the oil cylinder through hole to prop against the pressing plate. According to the protection device disclosed by the utility model, the structure is simple and reasonable, the shaft base can be mounted and dismounted conveniently, dual-stress protection through the spring and hydraulic power can be realized, either low-load protection or high-load protection can be selected according to actual demands, and the service lives of the bearing and the roller can be effectively prolonged. |
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