Jaw crusher with double shafts and double crank and rocker mechanisms

A technology of jaw crusher and rocker mechanism, which is applied in the direction of grain processing, etc., which can solve the problems of incompatibility between work and discharge, and achieve the effect of easy adjustment, improved crushing ratio, and fine crushing
CN102189013AActive Publication Date: 2011-09-21义乌市凌丰知识产权服务有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
义乌市凌丰知识产权服务有限公司
Publication Date
2011-09-21

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Abstract

The invention discloses a jaw crusher with double shafts and double crank and rocker mechanisms. The jaw crusher comprises a rack, a fixed jaw plate, a movable jaw plate, a front crank and rocker mechanism, a rear crank and rocker mechanism and transmission wheels, wherein the front crank and rocker mechanism comprises a front movable jaw, a front knee plate and a front eccentric driving shaft; the rear crank and rocker mechanism comprises a rear movable jaw, a rear knee plate and a rear eccentric driving shaft; the front and rear jaw plates are respectively pivoted on the front and rear eccentric driving shafts; the front and rear eccentric driving shafts are respectively connected with the transmission wheels; one end of the front knee plate is pivoted below the rear side of the front movable jaw, and the other end of the front knee plate is pivoted below the front side of the rear movable jaw; one end of the rear knee plate is pivoted below the rear side of the rear movable jaw, and the other end of the front knee plate is pivoted on the rack; and the movable jaw plate is fixedly connected to the front movable jaw and faces the fixed jaw plate to form a crushing cavity. The jaw crusher has the advantages that: the function of the lower horizontal motion travel of the movable jaw is improved from material discharge to crushing, so crusher equipment has a secondary-crushing effect.
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Description

[0001] technical field

[0002] The invention relates to the field of jaw crushers, in particular to a jaw crusher with a double-shaft double-crank rocker mechanism. Background technique

[0003] Jaw crusher, commonly known as jaw crusher, is the most widely used in the market now is the compound pendulum jaw crusher, which consists of two jaw plates, the movable jaw and the fixed jaw, to form a crushing cavity, which simulates the movement of the two jaws of animals to complete material crushing Crusher for work. It is widely used in medium-sized crushing of various ores and bulk materials in mining, smelting, building materials, roads, railways, water conservancy and chemical industries.

[0004] The existing jaw crushers (referred to as compound pendulum jaw crushers, the same below) have a common typical structure from a mechanical point of view, that is, they all use a crank rocker mechanism (the eccentric drive shaft is a crank, and the dynamic The jaw is the conne...

Claims

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