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Rocker structure of jaw crusher

A technology of jaw crusher and rocker structure, which is applied in the direction of grain processing, etc., can solve the problems of unstable performance of the jaw crusher, deterioration of key performance indicators, and decline in reliability, so as to ensure stability and reliability , Reasonable structure, guaranteed stability and reliability

Inactive Publication Date: 2019-12-03
CENT SOUTH UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

The horizontal stroke and characteristic value of the tooth plate are extremely sensitive to the performance indicators such as the crushing efficiency of the jaw crusher, the particle size distribution of the crushed product, the wear of the tooth plate and the energy consumption, so this four-bar mechanism with variable rod length will cause jaw crushing The performance of the whole machine is unstable, that is, the reliability decreases and the key performance indicators deteriorate

Method used

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  • Rocker structure of jaw crusher

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Embodiment Construction

[0015] like figure 1 As shown, one end of the rocker 4 is hinged with the frame 1, and the hinge is realized through a first two-way rotation connection structure; the other end of the rocker 4 is hinged with the connecting rod 5, and the hinge is realized through a second two-way rotation connection structure. 5. The other end is hinged with the crank.

[0016] The two-way rotation connection structure is that a hinge shaft 3 is installed on the connection base body 2, and a coupling arm 6 is set on the hinge shaft 3, and the coupling arm 6 can rotate in both directions relative to the hinge shaft 3 (counterclockwise rotation and clockwise rotation. The first In a two-way rotation connection structure, the connection base body is fixed to the frame 1, and one end of the connection arm is fixed to the rocker 4; in the second two-way rotation connection structure, the connection base body is fixed to the connecting rod 5, and the connection arm is fixed to the rocker 4 The oth...

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Abstract

The invention provides a rocker structure of a jaw crusher. One end of a rocker is hinged with a rack through a first bidirectional rotating connecting structure; and the other end of the rocker is hinged with the connecting rod through a second bidirectional rotating connecting structure. According to the rocker structure, the transmission motion requirements and the bearing requirements of jaw crushers of different models and different specifications can be met, and the performance stability and reliability of the whole crusher are effectively guaranteed.

Description

technical field [0001] The invention relates to a rocker structure of a jaw crusher. Background technique [0002] The working mechanism of compound pendulum jaw crusher is commonly called four-bar mechanism, which is composed of crank, connecting rod, rocker and frame connected in sequence. Wherein, the connection between the rocker and the connecting rod is a rolling line contact structure, and the connection between the rocker and the frame is also a rolling line contact structure. The crank-rocker mechanism composed of rolling-sliding line contact connections will have uncontrollable random changes in the length of the connecting rods during the working process, and the uncontrollable random changes in the length of the frame. Therefore, this kind of crank rocker mechanism is strictly speaking a four-bar mechanism with variable rod length. This variable-length four-bar mechanism will affect the kinematic characteristics of the connecting rod, that is, the horizontal tra...

Claims

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Application Information

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IPC IPC(8): B02C1/06
CPCB02C1/06
Inventor 母福生
Owner CENT SOUTH UNIV