Jaw crusher

Abstract

Jaw crusher consists of a housing, a fixed jaw, and a movable jaw with an upper suspension, vertical flexible holders spaced evenly across the width of the crushing chamber between the fixed and movable jaws, with crushing elements attached to them, the equivalent diameter of which and the distance between them decrease in the direction from the feed opening of the crushing chamber to its discharge slot. In this design, adjacent vertical flexible holders are connected to one another by transverse longitudinal elements.

Description

The utility model relates to crushing equipment, in particular to jaw crushers. crushers, and can be used in chemical, mining and industry building materials. A jaw crusher is known, comprising a housing, a fixed jaw, and a movable jaw with an upper suspension [Mikulyonok I.O. Mechanical processes and equipment for the production of polymer and construction materials materials and products. 5th ed., revised and supplemented. Kyiv: Igor Sikorsky Kyiv Polytechnic Institute, 2025. - P. 20, fig. 6]. The disadvantage of this crusher is the uneven size and shape of the particles of the resulting product. (crushed material) in the case of shale crushing due to the ingress of lignite and needle-shaped particles, which reduces the proportion of target cubic crushed stone particles in the product, and therefore its quality. The closest in technical essence to the proposed utility model is a jaw crusher, which contains a body, a fixed cheek, a movable cheek with an upper suspension, arranged evenly across the width crushing chambers between the fixed and moving jaws vertical flexible holders, as well as fixed on crushing bodies, the equivalent diameter of which and the distance between which decrease in the direction from from the receiving opening of the crushing chamber to its discharge slot [patent of Ukraine for a useful model No. 160962 "Jaw Crusher", MPK (2025.01) B02C 1 / 00, 22.10.2025, Bulletin No. 43]. Unlike the previous analogue, thanks to the presence of vertical flexible holders with with crushing bodies fixed to them, the proportion of target cubic particles of shale rubble in the product increases, however, due to the possibility of interweaving during the operation of the vertical crusher flexible holders between them the specified proportion of target cubic particles of shale rubble in The product is insufficient. The proposed utility model is based on the task of improving a jaw crusher, in which Its new design makes it impossible to intertwine during the operation of the vertical crusher. flexible holders between each other, which ensures a high proportion of target cube-shaped crushed stone particles in the product, and therefore its quality. The problem is solved by the fact that in a jaw crusher containing a housing, a fixed jaw, movable jaw with upper suspension, located evenly across the width of the crushing chamber between the fixed and movable jaws vertical flexible holders with crushing bodies fixed to them, whose equivalent diameter and the distance between which decrease in the direction from the receiving hole crushing chamber to its discharge slot, according to the proposed utility model, adjacent vertical flexible holders are interconnected by transverse longitudinal elements. In the preferred embodiment of the crusher, the transverse longitudinal elements are fixed crushing bodies, the equivalent diameter of which and the distance between which decrease in the direction from from the receiving opening of the crushing chamber to its discharge slot. Connecting adjacent vertical flexible holders to each other with transverse longitudinal elements prevents the vertical flexible holders from intertwining during crusher operation This increases the reliability of the crusher and ensures a high proportion of target cube-shaped particles crushed stone in the product, and therefore its quality. In this case, the fastening on the transverse longitudinal elements of the crushing bodies is equivalent to whose diameter and the distance between them decrease in the direction from the receiving hole of the chamber crushing to its discharge slot further increases the proportion of target cube-shaped particles crushed stone in the product. The essence of the utility model is explained by the drawings, which depict: - Fig. 1 - diagram of the crusher structure; - Fig. 2 - view A in Fig. 1; - Fig. 3 - view A in Fig. 1, an example of the crusher according to clause 2 of the formula. The jaw crusher includes a housing 1, a fixed jaw 2, and a movable jaw 3 with an upper suspension 4. The movable cheek 3 is connected to the eccentric shaft by means of spacer plates 5 and 6, as well as the connecting rod 7. 8, on which the flywheel 9 is fixed. The crusher also contains chambers arranged evenly across the width crushing 10 between the fixed 2 and movable 3 cheeks vertical flexible holders 11 with fixed on crushing bodies 12 (usually made in the form of metal balls), equivalent diameter which and the distance between which decrease in the direction from the receiving opening of the crushing chamber 10 to its unloading slot, while the adjacent vertical flexible holders 11 are interconnected transverse longitudinal elements 13 (Fig. 1, 2). Also, crushing bodies 12 can be fixed on the transverse longitudinal elements 13, whose equivalent diameter and the distance between which decrease in the direction from the receiving hole crushing chamber 10 to its discharge slot (Fig. 3). The jaw crusher works like this: The source rock enters the receiving hole of the crushing chamber 10 and then enters directly into the crushing chamber 10. Shales of rock, which have a flaky structure, are crushed between the stationary 2 and the movable 3 cheeks, as well as between them and the crushing bodies 12, which contributes to the production of crushed particles of cubic shape, and therefore high quality of shale crushed stone. The proposed useful model significantly improves the conditions for the destruction of igneous rocks, primarily such as shale, with the production of a high-quality product.

Claims

1. Jaw crusher comprising a housing, a fixed jaw, a movable jaw with an upper suspension, are evenly spaced across the width of the crushing chamber between the fixed and moving jaws vertical flexible holders with crushing bodies fixed to them, equivalent whose diameter and the distance between them decrease in the direction from the receiving hole of the chamber crushing to its discharge slot, which is distinguished by the fact that adjacent vertical The flexible holders are interconnected by transverse longitudinal elements.

2. The crusher according to claim 1, characterized in that on the transverse longitudinal elements crushing bodies are fixed, the equivalent diameter of which and the distance between which are reduced in direction from the receiving opening of the crushing chamber to its discharge slot.

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