Special three-direction self-synchronizing vibrating screen and determining method of structural parameters thereof

A technology of self-synchronizing vibration and structural parameters, which is applied in the fields of aerodynamic improvement, electrical digital data processing, and special data processing applications, and can solve problems such as difficult synchronization of two eccentric rotors

Inactive Publication Date: 2010-03-03
NORTHEASTERN UNIV LIAONING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the difficulty of synchronizing the two eccentric rotors of the existing dual-motor-driven vibrating screen, the present invention provides a spatial three-way self-synchronizing vibrating screen and a method for determining its structural parameters that can realize the synchronization of the two eccentric rotors of the dual-motor-driven vibrating screen

Method used

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  • Special three-direction self-synchronizing vibrating screen and determining method of structural parameters thereof
  • Special three-direction self-synchronizing vibrating screen and determining method of structural parameters thereof
  • Special three-direction self-synchronizing vibrating screen and determining method of structural parameters thereof

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Embodiment Construction

[0113] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, a space three-way self-synchronizing vibrating screen includes a support frame 5, one end of a spring 4 is fixed on the support frame 5, and the other end of the spring 4 is fixed on the screen body 3 with a screen mesh 2 inside; The body 3 is provided with two vibrating motors 1 for respectively driving two eccentric rotors 6 , the rotation centers of the two vibrating motors 1 are symmetrical to the centroid of the screen body 3 , and the rotation planes of the two eccentric rotors 6 are parallel to each other.

[0114] The angle δ between the rotation plane of the eccentric rotor 6 and the horizontal plane is 0-45°; the elliptical motion of the body in the horizontal plane and the sinusoidal motion in the vertical direction can be realized; when δ=0, the body motion is an ellipse in the horizontal plane sports.

[0115] Such as Figure 5 As shown, the method for determining the structural parameters o...

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Abstract

The invention relates to a special three-direction self-synchronizing vibrating screen and a determining method of structural parameters thereof, belonging to the engineering technical field of vibrating utilization. The invention provides a special three-direction self-synchronizing vibrating screen which can realize synchronization of two eccentric runners of a dual motor drive vibrating screen,and a determining method of structural parameters thereof; the special three-direction self-synchronizing vibrating screen comprises a supporting bracket, one end of a spring is fixed on the supporting bracket, the other end of the spring is fixed on a screen body which is provided with a screen cloth internally; two vibrating motors for driving the two eccentric runners are respectively arrangedon the screen body, rotating centers of two vibrating motors are symmetrical by taking a mass center of the screen body as the center, and the rotating planes of the two eccentric runners are parallel. The determining method of structural parameters of the special three-direction self-synchronizing vibrating screen comprises the following steps: 1): building a mathematical model of a system; 2) quasi-stable state electro-magnetic torque of the asynchronous motor is determined; 3) the capture condition of the frequency of dual rotors and the synchronous stability condition are determined.

Description

Technical field: [0001] The invention belongs to the technical field of vibration utilization engineering, in particular to a space three-direction self-synchronizing vibrating screen and a method for determining its structural parameters. Background technique: [0002] It was Huygnens (1629-1695) who first discovered the phenomenon of vibration synchronization or self-synchronization of mechanical systems. He once did such an experiment. When two wall clocks were hung on a swingable thin plate at the same time and certain conditions were met, the two wall clocks could be observed to swing synchronously, but when they were hung on the wall, they would lose synchronization. From 1894 to 1922, many scientists, such as Rayleigh, Vincent, Moler, Appletont, van der Pol, discovered the phenomenon of synchronization in nonlinear circuits, and called this phenomenon "frequency trapping". In the 1960s, Dr. Blehman of the former Soviet Union proposed the synchronization theory of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P5/74G06F17/50
CPCY02T10/82
Inventor 赵春雨闻邦椿张义民韩清凯任朝晖宫照民李鹤李小鹏孙伟姚红良马辉
Owner NORTHEASTERN UNIV LIAONING
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