Importance

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Abstract

The invention relates to an overload protection device for the hydraulic system of a mineral material machining plant, in particular for a rotary impact crusher, a jaw crusher or the like, wherein a hydraulic element equipped to store and/or convey a hydraulic fluid is provided, wherein the hydraulic element comprises a connection area (95) having a passage opening for hydraulic fluid of the hydraulic system, wherein the passage opening is covered by a replaceable burst panel (100), wherein a burst panel holder (96) is disposed on the rear face (101) of the burst panel (100) facing away from the connection area (95), and wherein at least one fastening bolt (97) is passed through a bolt mount (96.4) of the burst panel holder (96) and through a drilled hole (103) of the burst panel (100) disposed in alignment therewith and is bolted into a threaded mount of the connection area (95) in such a way that in the assembled state the burst panel (100) is held clamped between a pressure surface (96.2) of the burst panel holder (96) and a connection surface (95.1) of the connection area (95). To make provision for an easy maintenance after an overload event for such an overload protection device, provision is made in accordance with the invention that at least one retaining element (98) is provided, which, in a dismantling position, holds the burst panel holder (96) to the hydraulic element, in particular at the connection area (95), when the at least one fastening bolt (97) is unbolted from the threaded mount of the connection area (95) and the burst panel (100) is removed.

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First Claim