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Four-machine driven self-synchronizing vibrating screen and structural parameter determining method

A technology of self-synchronized vibration and structural parameters, which is applied in the direction of chemical instruments and methods, filters, motor speed or torque control, etc., can solve the problem of inability to realize the synchronous relationship between the superposition of exciting force, general motors that cannot be installed with vibrators, Problems such as the inability to realize the synchronization of multiple vibration motors

Inactive Publication Date: 2010-04-07
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are the following disadvantages in using a universal motor to drive a self-synchronizing vibrating machine: the universal motor cannot be installed on the vibrating machine, but must be installed on the ground
However, since the multi-motor self-synchronization theory has not been established, it is impossible to realize the synchronization of multiple vibration motors.
Even if synchronization is achieved, the excitation forces caused by multiple vibration motors will cancel each other out, and the required synchronous relationship of superimposition of excitation forces cannot be achieved

Method used

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  • Four-machine driven self-synchronizing vibrating screen and structural parameter determining method
  • Four-machine driven self-synchronizing vibrating screen and structural parameter determining method
  • Four-machine driven self-synchronizing vibrating screen and structural parameter determining method

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Embodiment 1

[0721] In this embodiment, a four-machine-driven self-synchronized vibrating screen circular motion structure and a method for determining structural parameters are explained in conjunction with the accompanying drawings

[0722]The four-machine-driven self-synchronizing vibrating screen is shown in Figure 1(a), Figure 1(b) and Figure 1(c), including a screen body 1, a bracket 3, a spring 4, a screen 11 and two symmetrical auxiliary rigid bodies Unit, each auxiliary rigid body unit includes a bearing with seat 2, a bearing chassis with seat 5, a floating shaft 6, a floating limit spring 9, an eccentric block 10 and an auxiliary rigid body, wherein each auxiliary rigid body includes two symmetrical vibration motors 7 And a vibration motor seat 8.

[0723] The connection of the four-machine-driven self-synchronizing vibrating screen is: the bracket 3 is connected to the screen body 1 through the spring 4, and the screen mesh 11 is installed in the screen body; The seat bearing ...

Embodiment 2

[0791] In this embodiment, a linear motion structure of a four-machine-driven self-synchronized vibrating screen and a method for determining structural parameters are explained in conjunction with the accompanying drawings.

[0792] The four-machine-driven self-synchronizing vibrating screen is shown in Figure 2(a), Figure 2(b) and Figure 2(c), and its structure is the same as the circular motion structure of the four-machine-driven self-synchronizing vibrating screen;

[0793] When the sieve body 1 moves in a straight line, there are two auxiliary rigid body units, and the bearing chassis 5 with seats in the two auxiliary rigid body units are respectively installed on the sieve body 1 with the longitudinal axis as the axis of symmetry.

[0794] The method for determining the structural parameters of the linear motion of the four-machine-driven self-synchronized vibrating screen is the same as the method for determining the structural parameters of the circular motion of the f...

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Abstract

The invention relates to a four-machine driven self-synchronizing vibrating screen and a structural parameter determining method, and belongs to the technical field of vibrating machinery. The vibrating screen comprises a screen body, a bracket, a spring, a screen mesh and two symmetrical auxiliary rigid body units; each auxiliary rigid body unit comprises a seat mounted bearing, a seat mounted bearing undercarriage, a floating shaft, a floating limit spring, an eccentric block and an auxiliary rigid body, wherein each auxiliary rigid body comprises two symmetrical vibration motors and a vibration motor seat. The structural parameter determining method comprises A, a structural parameter determining method for the four-machine vibrating screen of circular motion, and B, a structural parameter determining method for the four-machine vibrating screen of linear motion. The vibrating screen and the method have the advantages that two vibration exciters arranged on the same auxiliary rigid body realize synchronization of zero phase difference, an exciting force acted on a vibrating machine body is equivalent to an exciting force produced by one vibration exciter at the position of a rotating shaft of the auxiliary rigid body, and the exciting force is equal to a resultant force of exciting forces of the two vibration exciters, so that superposition of exciting forces of four vibration exciters is realized.

Description

technical field [0001] The invention belongs to the technical field of vibrating machinery, in particular to a four-machine-driven self-synchronizing vibrating screen and a method for determining structural parameters. Background technique [0002] Self-synchronizing vibrating machines are widely used in mining, metallurgy, cement production, material transportation and other industrial sectors. In terms of motion form, self-synchronizing vibrating machines are divided into two types: planar motion vibrating machines and space motion vibrating machines. There are many kinds and forms of self-synchronizing vibrating machines with planar motion, which are widely used in engineering technology, including self-synchronizing vibrating feeders, self-synchronizing vibrating conveyors, self-synchronizing vibrating coolers, self-synchronizing probability screens, Synchronous vibrating dryer, self-synchronizing vibrating shakeout machine, self-synchronizing linear vibrating screen, s...

Claims

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Application Information

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IPC IPC(8): B07B1/28B07B1/46B07B1/42H02P5/00
Inventor 赵春雨闻邦椿任朝晖张义民韩清凯宫照民李鹤李小鹏孙伟姚红良马辉
Owner NORTHEASTERN UNIV
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