CN204486255U - The oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support - Google Patents
The oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support Download PDFInfo
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- CN204486255U CN204486255U CN201520148821.XU CN201520148821U CN204486255U CN 204486255 U CN204486255 U CN 204486255U CN 201520148821 U CN201520148821 U CN 201520148821U CN 204486255 U CN204486255 U CN 204486255U
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- 230000035939 shock Effects 0.000 title claims abstract description 76
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 230000010355 oscillation Effects 0.000 abstract description 6
- 238000012216 screening Methods 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a kind of oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support, for operations such as coal, mine, metallurgy, oil drillings.It is made up of the first shock electric machine, the second shock electric machine, motor cabinet crossbeam, heavy motor seat board, motor cabinet gusset, side connecting plate, small machine seat board, the 3rd shock electric machine, screen box, isolation spring, base.Heavy motor seat board asymmetric arrangement, its symmetrical center line not by motor cabinet crossbeam axis, but is biased certain distance to small machine seat board side.First shock electric machine, the second shock electric machine have identical eccentric mass square, and axis being parallel be inclined and mounted on heavy motor seat board, the 3rd shock electric machine is arranged on small machine seat board.The torsionoscillation that its exciting force of the utility model makes screen box produce reduces; Compass screen surface mass transport speed is fast; Being used alternatingly of straight line, oval two kinds of oscillation trajectories, can effectively remove " screen blinding ", improves screening efficiency and the disposal ability of vibratory sieve.
Description
Technical field
The utility model relates to a kind of oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support, for the equipment of the operations such as coal, mine, metallurgy, oil drilling.
Background technology
Linear-path screen has the fireballing advantage of mass transport, but in its vibration processes, acceleration direction is constant, and critical particle material is stuck in difficult drop-off in sieve mesh, easily forms " screen blinding ".In the shaker vibration process of elliptical orbit and velocity attitude 360 ° of scope periodically constantly change, critical particle material easily comes off when being stuck in sieve mesh, there is good plugging removal effect, vibratory sieve has higher screening efficiency, transverse tendency discharge end simultaneously, also compass screen surface material can be kept to have larger transporting velocity, and vibratory sieve has larger treating capacity.In vibrosieve, some operating mode straight-line oscillation track just can meet work requirements, but after work a period of time, " screen blinding " can cause screening efficiency to reduce, now, if vibratory sieve track can be transformed into elliptical orbit, then can make screen cloth de-plugging and recover its screening efficiency.This vibratory sieve can changed between straight path, elliptical orbit, is called the oval double-track vibrating screen of straight line.
SWACO company of the U.S. is proposed a kind of oval double-track vibrating screen of straight line of three shock electric machines, which employs the shock electric machine that two shock electric machines with larger exciting force and have less exciting force.Two shock electric machine constant speed with larger exciting force reversely rotate, and are inclined and mounted on above screen box axis being parallel, and the perpendicular bisector of the two axis line passes through motor cabinet crossbeam, the direction of exciting force when this perpendicular bisector is straight-line oscillation.The shock electric machine of less exciting force is arranged on the dorsal part of two heavy motor.During straight path, the shock electric machine of two the larger exciting forces that only operate, during elliptical orbit, three shock electric machines all constant speed drives.Because the motor of two larger exciting forces is installed relative to the symmetry of motor cabinet crossbeam, distant from straight line exciting force position of the motor centre of gyration of less exciting force, the exciting force that small machine is produced is far away apart from the position of screen box barycenter, during the exciting force that it produces, the amplitude of vibratory sieve torsionoscillation is larger, therefore, small machine can not adopt larger exciting force.In order to overcome above-mentioned shortcoming, spy proposes three shock electric machine straight lines of biased electrical support of the present utility model, oval double-track vibrating screen.
Summary of the invention
The purpose of this utility model is that the exciting force providing a kind of small machine to produce is nearer apart from the position of screen box barycenter, during the exciting force that it produces, the amplitude of vibratory sieve torsionoscillation is less, compass screen surface movement locus when elliptical vibration made by vibratory sieve evenly the oval double-track vibrating screens of three shock electric machine straight lines.
For achieving the above object, the utility model have employed following technical scheme.
The oval double-track vibrating screen of three shock electric machine straight lines of the utility model biased electrical support, is made up of the first shock electric machine, the second shock electric machine, motor cabinet crossbeam, heavy motor seat board, motor cabinet gusset, side connecting plate, small machine seat board, the 3rd shock electric machine, screen box, isolation spring, base.Described motor cabinet crossbeam, heavy motor seat board, motor cabinet gusset, side connecting plate, small machine seat board composition motor cabinet assembly.Motor cabinet gusset is welded on motor cabinet crossbeam; Heavy motor seat board and small machine seat board are welded on motor cabinet gusset, are welded on the biside plate of screen box with the side connecting plate of motor cabinet beam welding simultaneously.Heavy motor seat board asymmetric arrangement, its symmetrical center line not by motor cabinet crossbeam axis, but is biased certain distance to small machine seat board side; First shock electric machine, the second shock electric machine have identical eccentric mass square, and axis being parallel be inclined and mounted on heavy motor seat board; Due to being biased of heavy motor seat board, the perpendicular bisector of the two axis line installs side and motor cabinet crossbeam axis runout certain distance to the 3rd shock electric machine.3rd shock electric machine is arranged on small machine seat board.Screen box and the motor cabinet assembly be welded thereon, the first shock electric machine be arranged on motor cabinet assembly, the second shock electric machine and the 3rd shock electric machine composition mass of vibration, be supported on base by isolation spring.In use procedure, time only to the first shock electric machine, the second shock electric machine energising, the two constant speed reversely rotates, and realizes the straight-line oscillation track of vibratory sieve.When first shock electric machine, the second shock electric machine and the 3rd shock electric machine are energized simultaneously, three motor constant speed rotations, first shock electric machine and the second shock electric machine turn on the contrary, 3rd shock electric machine direction of rotation can identical with the first shock electric machine, also can be identical with the second shock electric machine, thus realize the elliptical vibration track of vibratory sieve.
The utility model has the advantage of: 1, compared with the oval double-track vibrating screen of the three shock electric machine straight lines used at present, when three shock electric machines are energized simultaneously, due to the offset placement of heavy motor seat board, the 3rd shock electric machine centre of gyration and the total barycenter of mass of vibration depart from less, the torsionoscillation that its exciting force makes screen box produce reduces, and screen box can obtain comparatively uniform elliptical vibration track from feeding end to discharge end.2, compass screen surface mass transport speed is fast.3, straight line, being used alternatingly of oval two kinds of oscillation trajectories, effectively can remove " screen blinding ", improve screening efficiency and the disposal ability of vibratory sieve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the oval double-track vibrating screen of three shock electric machine straight lines of the utility model biased electrical support;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the schematic three dimensional views of motor cabinet assembly of the present utility model.
In figure: 1. the first shock electric machine, 2. the second shock electric machine, 3. motor cabinet crossbeam, 4. heavy motor seat board, 5. motor cabinet gusset, 6. side connecting plate, 7. small machine seat board, 8. the 3rd shock electric machine, 9. screen box, 10. isolation spring, 11. bases.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is illustrated:
As shown in Figure 1, Figure 2, Figure 3 shows, the oval double-track vibrating screen of three shock electric machine straight lines of the utility model biased electrical support, is made up of the first shock electric machine 1, second shock electric machine 2, motor cabinet crossbeam 3, heavy motor seat board 4, motor cabinet gusset 5, side connecting plate 6, small machine seat board 7, the 3rd shock electric machine 8, screen box 9, isolation spring 10, base 11.Described motor cabinet crossbeam 3, heavy motor seat board 4, motor cabinet gusset 5, side connecting plate 6, small machine seat board 7 form motor cabinet assembly.Motor cabinet gusset 5 is welded on motor cabinet crossbeam 3; Heavy motor seat board 4 and small machine seat board 7 are welded on motor cabinet gusset 5, and the side connecting plate 6 simultaneously welded with motor cabinet crossbeam 3 is welded on the biside plate of screen box; Heavy motor seat board 4 asymmetric arrangement, its symmetrical center line not by the axis of motor cabinet crossbeam 3, but is biased certain distance to the side of small machine seat board 7; First shock electric machine 1 and the second shock electric machine 2 have identical eccentric mass square, and axis being parallel be inclined and mounted on heavy motor seat board 4, due to being biased of heavy motor seat board 4, the perpendicular bisector of the two axis line installs side and motor cabinet crossbeam 3 axis runout certain distance to the 3rd shock electric machine 8; 3rd shock electric machine 8 is arranged on small machine seat board 7; Screen box and the motor cabinet assembly be welded thereon, be arranged on the first shock electric machine 1, second shock electric machine 2 on motor cabinet assembly and the 3rd shock electric machine 7 forms mass of vibration, supported on the pedestal 11 by isolation spring 10.In use procedure, when being only energized to the first shock electric machine 1, second shock electric machine 2, the two constant speed reversely rotates, and realizes the straight-line oscillation track of vibratory sieve.When first shock electric machine 1, second shock electric machine 2 and the 3rd shock electric machine 8 are energized simultaneously, three motor constant speed rotations, first shock electric machine 1 and the second shock electric machine 2 turn on the contrary, 3rd shock electric machine 7 direction of rotation can identical with the first shock electric machine 1, also can be identical with the second shock electric machine 2, thus realize the elliptical vibration track of vibratory sieve.
Claims (2)
1. the oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support, by the first shock electric machine (1), second shock electric machine (2), motor cabinet crossbeam (3), heavy motor seat board (4), motor cabinet gusset (5), side connecting plate (6), small machine seat board (7), 3rd shock electric machine (8), screen box (9), isolation spring (10), base (11) forms, it is characterized in that, described motor cabinet crossbeam (3), heavy motor seat board (4), motor cabinet gusset (5), side connecting plate (6), small machine seat board (7) composition motor cabinet assembly, motor cabinet gusset (5) is welded on motor cabinet crossbeam (3), heavy motor seat board (4) and small machine seat board (7) are welded on motor cabinet gusset (5), and the side connecting plate (6) simultaneously welded with motor cabinet crossbeam (3) is welded on the biside plate of screen box, heavy motor seat board (4) asymmetric arrangement, its symmetrical center line not by the axis of motor cabinet crossbeam (3), but is biased certain distance to the side of small machine seat board (7).
2. the oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support as claimed in claim 1, it is characterized in that, first shock electric machine (1) and the second shock electric machine (2) have identical eccentric mass square, and axis being parallel be inclined and mounted on heavy motor seat board (4); 3rd shock electric machine (8) is arranged on small machine seat board (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148821.XU CN204486255U (en) | 2015-03-17 | 2015-03-17 | The oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148821.XU CN204486255U (en) | 2015-03-17 | 2015-03-17 | The oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support |
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| Publication Number | Publication Date |
|---|---|
| CN204486255U true CN204486255U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520148821.XU Expired - Fee Related CN204486255U (en) | 2015-03-17 | 2015-03-17 | The oval double-track vibrating screen of three shock electric machine straight lines of biased electrical support |
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| CN (1) | CN204486255U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478331A (en) * | 2016-01-21 | 2016-04-13 | 河北科技大学 | Mechanical vibration platform with various vibration modes |
| CN107789877A (en) * | 2017-11-28 | 2018-03-13 | 西南石油大学 | A kind of vibratory sieve of eccentric mechanism driving |
| CN112604955A (en) * | 2020-11-27 | 2021-04-06 | 东北大学 | Three-machine frequency-doubling self-synchronous driving variable-track vibrating screen and parameter determination method |
| CN113289887A (en) * | 2021-07-06 | 2021-08-24 | 西南石油大学 | Anti-resonance high-efficiency vibration isolation linear vibrating screen |
-
2015
- 2015-03-17 CN CN201520148821.XU patent/CN204486255U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478331A (en) * | 2016-01-21 | 2016-04-13 | 河北科技大学 | Mechanical vibration platform with various vibration modes |
| 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 |
| CN112604955A (en) * | 2020-11-27 | 2021-04-06 | 东北大学 | Three-machine frequency-doubling self-synchronous driving variable-track vibrating screen and parameter determination method |
| CN113289887A (en) * | 2021-07-06 | 2021-08-24 | 西南石油大学 | Anti-resonance high-efficiency vibration isolation linear vibrating screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |