Jaw crusher and self-traveling crusher
AssigneeKomatsu Ltd.
InventorsTooru Nakayama, Ryoichi Togashi, Kentaro Ito, Kouzo Suzuki
Life of this patent
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Abstract
A jaw crusher includes: a crusher frame to which a cross member for connecting a pair of side wall plates is provided; a fixed jaw; a swing jaw swingably hung between the side wall plates; a pair of toggle link pins both of which are disposed along a common axial direction having a first outer end pivoted on the side plate and a second inner end pivoted on a main supporter provided to the cross member; and a reaction force-receiving link mechanism including a toggle link rotatably supported by the toggle link pin. The main supporter of the cross member on which the second end of the toggle link pin is pivoted is box-shaped.
Claims5
A jaw crusher, comprising:
- a crusher frame that comprises a pair of side wall plates and a rear wall plate and a cross member that connect the pair of side wall plates;
- a fixed jaw attached to the rear wall plate;
- a swing jaw swingably hung between the side wall plates;
- and
- a reaction force-receiving link mechanism that comprises:
- (i) a pair of toggle link pins respectively having a first end pivoted on each of the pair of side wall plates and a second end pivoted on a main supporter provided to the cross member, the pair of toggle link pins being coaxially disposed, and (ii) a toggle link rotatably supported by the toggle link pins,
- wherein the cross member on which the second end of each of the pair of toggle link pins is pivoted is box-shaped.
A self-propelled crushing machine comprising a jaw crusher, the jaw crusher comprising:
- a crusher frame that comprises a pair of side wall plates and a rear wall plate and a cross member that connect the pair of the side wall plates;
- a fixed law attached to the rear wall plate;
- a swing law swingable hung between the side wall plates;
- and
- a reaction force-receiving link mechanism that comprises:
- (i) a pair of toggle link pins respectively having a first end pivoted on each of the pair of side wall plates and a second end pivoted on a main supporter provided to the cross member, the pair of toggle link pins being coaxially disposed, and (ii) a toggle link rotatable supported by the toggle link pins,
- wherein the cross member on which the second end of the pair of toggle link pins is pivoted is box-shaped.
Dependencies are inferred from the claim text.