CN103909060A - Self-synchronizing translation elliptical vibrating screen with three shock excitation motors - Google Patents
Self-synchronizing translation elliptical vibrating screen with three shock excitation motors Download PDFInfo
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- CN103909060A CN103909060A CN201410160965.7A CN201410160965A CN103909060A CN 103909060 A CN103909060 A CN 103909060A CN 201410160965 A CN201410160965 A CN 201410160965A CN 103909060 A CN103909060 A CN 103909060A
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Abstract
The invention discloses a self-synchronizing translation elliptical vibrating screen with three shock excitation motors. The self-synchronizing translation elliptical vibrating screen with the three shock excitation motors consists of a feeding hopper, a first shock excitation motor, a second shock excitation motor, a third shock excitation motor, a screen box, an isolation spring and a base, wherein the axis of the second shock excitation motor is parallel to that of the third shock excitation motor; the eccentric mass moment of the second shock excitation motor is the same with that of the third shock excitation motor; the second shock excitation motor and the third shock excitation motor rotate oppositely at equal speed; a perpendicular bisector of a connecting line of the axle center of the second shock excitation motor and the axle center of the third shock excitation motor is deviated from the total mass center of the screen box by a certain distance; the mass center of the screen box moves linearly and the screen box swings around the mass center by using generated linear shock excitation force; the axis of the first shock excitation motor is parallel to the axis of the second shock excitation motor and the axis of the third shock excitation motor; and by using shock excitation force generated by the first shock excitation motor, the mass center of the screen box moves circularly, and the screen box swings around the mass center. By exactly designing mounting positions of the three shock excitation motors, translation elliptical movement of the screen box is realized. By using the self-synchronizing translation elliptical vibrating screen, large shock excitation force can be provided, and the motor mounting positions are not limited by the structure of the screen box during design. The self-synchronizing translation elliptical vibrating screen is simple in structure, easy to manufacture and mount, easy and convenient to maintain, low in noise and low in cost.
Description
Technical field
The present invention relates to the large area elliptically vibrating screen using in the operations such as the three shock electric machine self-synchronous Translation elliptic vibrating screens, particularly coal, mine, metallurgy, oil drilling of a kind of Separation of Solid and Liquid and solid phase sorting.
Background technology
Ellipse of inertia vibratory sieve can adopt Double-motor excitation, also can three shock electric machines or even more shock electric machine realize.While adopting Double-motor excitation, owing to being subject to the restriction of motor exciting force, in the time that bolting area is larger, be difficult to realize the running parameter needs such as the needed amplitude of vibratory sieve high efficiency screening.Adopt three shock electric machines, can meet preferably the demand of large area vibratory sieve to exciting force.What ZL200420061661.7 proposed can realize the elliptical vibration shape vibratory sieve that shakes more, the triaxiale self-synchronizing elliptical vibrating screen that ZL200710011470.8, ZL200720012353.9 propose, three vibrating shafts are arranged in the same level on screen box, simple in structure, easy for installation, but the installation site while realizing translation between motor can make screen box center of gravity deflection discharging opening one side more, make the vibration reduction support spring stress of screen box inhomogeneous, the locking phase declinate between motor is larger on the harmony impact of shaker vibration motion in addition.ZL200520036270.4 relates to a kind of three motor full-vibration type self-synchronous vibratory sieves, wherein two motors are arranged on screen box top and constant speed reverse rotation, another motor is arranged on the barycenter place of screen box, and three shock electric machine while operation times are realized the elliptical orbit motion of vibratory sieve.A motor is arranged on this condition harshness of barycenter place of screen box, is difficult to realize in actual design.In order to overcome the above-mentioned shortcoming of three shock electric machine elliptically vibrating screens, special proposition three shock electric machine self-synchronous Translation elliptic vibrating screens of the present invention.
Summary of the invention
The object of the present invention is to provide one simple in structure, easy for installation, support shock-absorbing spring stressed evenly, shock electric machine is installed does not need to be subject to the three shock electric machine self-synchronous Translation elliptic vibrating screens by the condition restriction of barycenter.
For achieving the above object, the present invention has adopted following technical scheme.
The present invention's three shock electric machine self-synchronous Translation elliptic vibrating screens, are made up of feed hopper, the first shock electric machine, the second shock electric machine, the 3rd shock electric machine, screen box, isolation spring and base.Screen box is bearing on base by isolation spring; Described the second shock electric machine, the 3rd shock electric machine axis are installed abreast, and its axis place plane is horizontal by certain angle, and adopt identical eccentric mass square constant speed reverse rotation, and making a concerted effort of the exciting inertia force producing is a straight line exciting force.The total barycenter of the perpendicular bisector of the second shock electric machine, the 3rd shock electric machine axial connecting line and screen box departs from certain distance, the straight line exciting force that the second shock electric machine and the 3rd shock electric machine are produced also departs from certain distance with the total barycenter of screen box, this straight line exciting force makes screen box barycenter moving linearly, and screen box is swung around barycenter.The axis of the first shock electric machine and the second shock electric machine and the 3rd shock electric machine abreast level is arranged on screen box top, and axis is not by screen box barycenter.The exciting force that the first shock electric machine produces makes screen box barycenter do circular motion, and screen box is swung around barycenter.Under the acting in conjunction of three shock electric machine exciting forces, cross the installation site of designing rightly the first shock electric machine and the second shock electric machine and the 3rd shock electric machine, the exciting force of the first shock electric machine makes the exciting force around barycenter swing and the second shock electric machine and the 3rd shock electric machine that screen box produces make swinging and be cancelled around barycenter of screen box generation, thereby realizes the balanced elliptic motion of screen box.The first shock electric machine and the second shock electric machine and the 3rd shock electric machine can adopt long tubular shock electric machine or short shock electric machine simultaneously.The first shock electric machine can adopt the eccentric mass square identical with the 3rd shock electric machine with the second shock electric machine, also can adopt the eccentric mass square different with the 3rd shock electric machine from the second shock electric machine.
The invention has the advantages that: compared with the elliptically vibrating screen of (1) and the bi-motor exciting of current use, can provide larger exciting force, on large-area vibratory sieve, can make the transport velocity of screening efficiency, treating capacity and material greatly improve.(2) compared with existing three motor elliptically vibrating screens, pass through screen box barycenter without any need for the axis of shock electric machine, when design, mounting position of motor is not subject to screen box structural limitations.(3) ovality of more easily realizing ideal than existing bi-motor or three motor elliptically vibrating screens.(4) three motor motor synchronizing runnings, simple in structure, manufacture is installed easily, and maintaining is easy, and noise is little, with low cost.
Accompanying drawing explanation
Fig. 1 is the front view of the structural representation of the present invention's three shock electric machine self-synchronous Translation elliptic vibrating screens.
Fig. 2 is the top view of long shock electric machine structural representation of the present invention.
Fig. 3 is the top view of short shock electric machine structural representation of the present invention.
In figure: 1. feed hopper, 2. the first shock electric machine, 3. the second shock electric machine, 4. the 3rd shock electric machine, 5. screen box, 6. isolation spring, 7. base.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention is illustrated:
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention's three shock electric machine self-synchronous Translation elliptic vibrating screens, are made up of feed hopper 1, the first shock electric machine 2, the second shock electric machine 3, the 3rd shock electric machine 4, screen box 5, isolation spring 6 and base 7.Screen box 5 is bearing on base 7 by isolation spring 6.Described the second shock electric machine 3, the 3rd shock electric machine 4 axis are installed abreast, and its axis place plane is horizontal by certain angle α, and adopt identical eccentric mass square constant speed reverse rotation, and making a concerted effort of the exciting inertia force producing is a straight line exciting force.Perpendicular bisector and the total barycenter of screen box of the second shock electric machine 3, the 3rd shock electric machine 4 axial connecting lines depart from certain distance, make the synthetic straight line exciting force of the second shock electric machine 3 and the 3rd shock electric machine 4 also depart from certain distance with the total barycenter of screen box, this straight line exciting force makes screen box barycenter moving linearly, and screen box is swung around barycenter.The axis of the first shock electric machine 2 and the second shock electric machine 3 and the 3rd shock electric machine 4 abreast level is arranged on screen box top, and axis is not by screen box barycenter.The exciting force that the first shock electric machine 2 produces makes screen box barycenter do circular motion, and screen box is swung around barycenter.Under the acting in conjunction of the first shock electric machine 2 and the second shock electric machine 3 and the 3rd shock electric machine 4, cross the installation site of designing rightly the first shock electric machine 2 and the second shock electric machine 3 and the 3rd shock electric machine 4, the exciting force of the first shock electric machine 2 makes the exciting force around barycenter swing and the second shock electric machine 3 and the 3rd shock electric machine 4 that screen box produces make swinging and be cancelled around barycenter of screen box generation, thereby realizes the balanced elliptic motion of screen box.The first shock electric machine 2 and the second shock electric machine 3 and the 3rd shock electric machine 4 can adopt long tubular shock electric machine or short shock electric machine simultaneously.The first shock electric machine 2 can adopt the eccentric mass square identical with the 3rd shock electric machine 4 with the second shock electric machine 3, also can adopt the eccentric mass square different with the 3rd shock electric machine 4 from the second shock electric machine 3.
Claims (2)
1. three shock electric machine self-synchronous Translation elliptic vibrating screens, by feed hopper (1), the first shock electric machine (2), the second shock electric machine (3), the 3rd shock electric machine (4), screen box (5), isolation spring (6) and base (7) composition, screen box (5) is bearing on base (7) by isolation spring (6), it is characterized in that, described the second shock electric machine (3), the 3rd shock electric machine (4) axis is installed abreast, its axis place plane is horizontal by certain angle α, and adopt identical eccentric mass square constant speed to counter-rotate, making a concerted effort of the exciting inertia force producing is a straight line exciting force, perpendicular bisector and the total barycenter of screen box of the second shock electric machine (3), the 3rd shock electric machine (4) axial connecting line depart from certain distance, make the synthetic straight line exciting force of the second shock electric machine (3) and the 3rd shock electric machine (4) also depart from certain distance with the total barycenter of screen box, this straight line exciting force makes screen box barycenter moving linearly, and screen box is swung around barycenter, the axis of the first shock electric machine (2) and the second shock electric machine (3) and the 3rd shock electric machine (4) abreast level is arranged on screen box top, and axis is by screen box barycenter, and the exciting force of its generation makes screen box barycenter do circular motion, and screen box is swung around barycenter, under the acting in conjunction of the first shock electric machine (2) and the second shock electric machine (3) and the 3rd shock electric machine (4), screen box is cancelled and does balanced elliptic motion around the swing of barycenter.
2. three shock electric machine self-synchronous Translation elliptic vibrating screens as claimed in claim 1, is characterized in that, the first shock electric machine (2) can adopt long tubular shock electric machine or short shock electric machine with the second shock electric machine (3) and the 3rd shock electric machine (4) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160965.7A CN103909060A (en) | 2014-04-22 | 2014-04-22 | Self-synchronizing translation elliptical vibrating screen with three shock excitation motors |
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| CN201410160965.7A CN103909060A (en) | 2014-04-22 | 2014-04-22 | Self-synchronizing translation elliptical vibrating screen with three shock excitation motors |
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| CN103909060A true CN103909060A (en) | 2014-07-09 |
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| CN201410160965.7A Pending CN103909060A (en) | 2014-04-22 | 2014-04-22 | Self-synchronizing translation elliptical vibrating screen with three shock excitation motors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759409A (en) * | 2015-05-07 | 2015-07-08 | 西南石油大学 | Three-shock-excitation-motor elliptical vibrating screen based on elastic coupling |
| CN107520114A (en) * | 2017-08-07 | 2017-12-29 | 陕西航天泵阀科技集团有限公司 | A kind of balanced elliptical shale shaker |
| CN107789877A (en) * | 2017-11-28 | 2018-03-13 | 西南石油大学 | A kind of vibratory sieve of eccentric mechanism driving |
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| CN102909175A (en) * | 2012-10-30 | 2013-02-06 | 西南石油大学 | Shaft block type excitation vibrating screen with seven vibration modes |
| CN203076195U (en) * | 2013-01-04 | 2013-07-24 | 东莞市新科炬机械制造有限公司 | Linear vibrating screen classifier |
| CN103658030A (en) * | 2012-09-15 | 2014-03-26 | 河南信宇石油机械制造股份有限公司 | Linear and elliptical integrated-vibration machine |
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2014
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| US6490941B1 (en) * | 2000-03-28 | 2002-12-10 | Sung Hur | Elliptic motion driving apparatus for a step screen |
| CN2868452Y (en) * | 2005-11-23 | 2007-02-14 | 西南石油学院 | Three-motor full-vibration type self-synchronous oscillating screen |
| CN200970581Y (en) * | 2006-11-10 | 2007-11-07 | 西南石油大学 | Multiple vibration novel vibration sieve based on rigid moving synthesis |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759409A (en) * | 2015-05-07 | 2015-07-08 | 西南石油大学 | Three-shock-excitation-motor elliptical vibrating screen based on elastic coupling |
| CN104759409B (en) * | 2015-05-07 | 2016-09-14 | 西南石油大学 | Three shock electric machine elliptically vibrating screens based on Elastic Coupling |
| CN107520114A (en) * | 2017-08-07 | 2017-12-29 | 陕西航天泵阀科技集团有限公司 | A kind of balanced elliptical shale shaker |
| CN107789877A (en) * | 2017-11-28 | 2018-03-13 | 西南石油大学 | A kind of vibratory sieve of eccentric mechanism driving |
| CN107789877B (en) * | 2017-11-28 | 2023-06-20 | 西南石油大学 | Vibrating screen driven by eccentric wheel mechanism |
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Application publication date: 20140709 |