CN102744203A - Sub-resonant two-mass energy-saving vibrating screen - Google Patents

Sub-resonant two-mass energy-saving vibrating screen Download PDF

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Publication number
CN102744203A
CN102744203A CN2012102467546A CN201210246754A CN102744203A CN 102744203 A CN102744203 A CN 102744203A CN 2012102467546 A CN2012102467546 A CN 2012102467546A CN 201210246754 A CN201210246754 A CN 201210246754A CN 102744203 A CN102744203 A CN 102744203A
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CN
China
Prior art keywords
plate
sieve
plastid
spring seat
exciting vibration
Prior art date
Application number
CN2012102467546A
Other languages
Chinese (zh)
Inventor
张恩林
李光明
郑永成
陈发荣
段涛
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昆明茨坝矿山机械有限公司
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Application filed by 昆明茨坝矿山机械有限公司 filed Critical 昆明茨坝矿山机械有限公司
Priority to CN2012102467546A priority Critical patent/CN102744203A/en
Publication of CN102744203A publication Critical patent/CN102744203A/en

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Abstract

The invention relates to a sub-resonant two-mass energy-saving vibrating screen, relates to a vibration screening machine, and in particular relates to a double-mass screening machine by utilizing a sub-resonant technology. The sub-resonant two-mass energy-saving vibrating screen disclosed by the invention is characterized by comprising an upper mass body and a lower mass body; the upper mass body and the lower mass body are connected through a excitation vibration spring group and a plate spring group; a vibration motor is arranged on the upper mass body; the vibration motor generates excitation vibration force to drive the upper mass body to vibrate; and the upper mass body drives the lower mass body to vibrate through the excitation vibration spring group; and therefore, a sensitive sub-resonant system is formed. According to the screen, a screening box is in a form of a central plate structure; the intensity of the screening box is greatly enhanced; conditions are provided for equipment maximization; simultaneously, a vibration exciter is the vibration motor; a relatively small bearing is used, the friction power of the bearing is relatively low, the heat generation of the bearing is difficult, the stability is high, the overhaul and the maintenance are convenient, and the use cost is low.

Description

The two plastid energy-saving vibration sieves of subresonance
Technical field
The present invention relates to vibrating screen classifier, be specially a kind of two plastid screening machines that utilize the subresonance technology.
Background technology
Screening plant is the necessary visual plants of industrial department such as mine, ore dressing, coal separation, building materials, steam power plant, chemical industry, and the quality of its performance will directly influence the production capacity and the technical-economic index of these industries.
Vibratory sieve all adopts the far ultra resonance technique of elemental body to design and develop basically both at home and abroad at present.There is following technological deficiency in the elemental body vibratory sieve in practical application: 1, owing to the far ultra resonant frequency of vibratory sieve operating frequency, required exciting force is bigger, the also corresponding increase of power consumption; 2, must be in vibratory sieve startup and the stopping process through resonance region, the amplitude when crossing resonance region is 4~7 times of working amplitude, vibration equipment is big; Cause operation not steady, damage easily, the simultaneous faults rate is higher; Increase maintenance cost, reduce operating efficiency, shorten service life; 3, when vibratory sieve was worked, amplitude can reduce along with the increase of mine-supplying quantity, produced the use needs for satisfying, and need often adjust exciting force to keep the vibratory sieve amplitude according to mine-supplying quantity.
For traditional elemental body vibratory sieve; Its mass of vibration and exciting force are the relations of a pair of contradiction; The big then required exciting force of mass of vibration is big; The thickness that exciting force then increases greatly structural member again to be guaranteeing its intensity, thereby causes the increase of mass of vibration, is unfavorable for that vibratory sieve is to direction heavy, the superduty development.
In addition, along with global resource exhaustion, ecological deterioration, energy-saving and environmental protection, subtract the main direction that has consumed into having become the countries in the world sustainable developments, designing and developing of energy-saving and environmental protection type vibratory sieve must be the main flow of future development.
Summary of the invention
To be solved by this invention is exactly the defective of existing elemental body vibratory sieve, and a kind of two plastid screening machines that utilize the subresonance technology are provided.
The two plastid energy-saving vibration sieves of subresonance of the present invention; It is characterized in that this vibratory sieve comprises plastid and following plastid; Upper and lower plastid links to each other with plate spring groups through one group of exciting vibration spring group, on the last plastid vibrating motor is set, and vibrating motor produces exciting force and drives upward mass vibrating; Last plastid drives mass vibrating down through the exciting vibration spring group, forms the subresonance system of a sensitivity.
The described plastid of going up is joined through the bolt connection combination by excitor side plate, exciting vibration spring seat, motor mounting plate and flat spring seat and is formed; Between two blocks of excitor side plates the exciting vibration spring seat is set, the bottom surface of exciting vibration spring seat becomes miter angle with the baseplane of excitor side plate; Exciting vibration spring seat top is provided with boring, and boring is connected with the exciting vibration spring group; Be fixed with the motor mounting plate vertical on the exciting vibration spring seat with the exciting vibration spring seat; Motor mounting plate is that the plane of symmetry is symmetrically arranged between the two excitor side plates with the opposite face of two excitor side plates; And parallel with the excitor biside plate, motor mounting plate is used to put and fixing vibrating motor; The place, baseplane of two excitor side plates is designed with the flat spring seat, is used for the installing plate groups of springs.
Described down plastid is joined through the bolt connection combination by screen box exciting vibration spring seat, median plate, feed end bracing frame, sieve box side plate, feed well, sieve plate bracing frame, sieve plate assembly, feed end bracing frame, flat spring seat and is formed; Between two sieve box side plates median plate is set; Screen box exciting vibration spring seat is set between median plate and two sieve box side plates; The end face of screen box exciting vibration spring seat becomes miter angle with the plane, top of sieve box side plate; Sieve box side plate is provided with boring, and boring is connected with the exciting vibration spring group; Also be provided with sieve plate bracing frame, feed well, feed end bracing frame, discharge end bracing frame between median plate and two sieve box side plates; The last Plane Installation of sieve plate bracing frame has sieve plate; Feed well is used to cushion material, and feed end bracing frame, discharge end bracing frame are used to strengthen the integral rigidity of plastid down; The top planar design of two sieve box side plates has the flat spring seat, is used for the installing plate groups of springs.
On the plastid isolation spring is housed also under described, purpose is to reduce the influence of the vibration of vibratory sieve to surrounding environment.
Described exciting vibration spring group becomes miter angle to install with the plane, top of sieve box side plate, promptly vibrating direction angle is 45 degree; Plate spring groups becomes 135 degree angles to install with the plane, top of sieve box side plate, and vertical with the exciting vibration spring group, guarantees the miter angle direction vibration of vibratory sieve along the plane, top of sieve box side plate with this, and yaw does not take place.
The two plastid energy-saving vibration sieves of subresonance of the present invention; Its operation principle is: vibrating motor is installed on the plastid, connects upper and lower plastid by the exciting vibration spring group, and the charging and discharging end of the dual-side of following plastid is equipped with isolation spring; When shock electric machine is worked; Produce exciting force and drive upward mass vibrating, last plastid drives mass vibrating down through the main spring that shakes, thereby has formed the subresonance system of a sensitivity.
The two plastid energy-saving vibration sieves of subresonance of the present invention, owing to adopted the subresonance technology, vibration frequency is slightly less than the intrinsic frequency of vibrational system; Both frequency ratios are between 0.75 ~ 0.95; During equipment work subresonance takes place, compare with the elemental body vibratory sieve of same model, required exciting force is less; Low in energy consumption, the electric energy of its consumption has only about 25% of traditional elemental body vibratory sieve.Startup, stopping process start, shut down steadily without resonance region, and fault rate is low, and maintenance cost is low, high efficiency, long service life.
Screen box of the present invention adopts the median plate structural design, has improved the intensity of screen box greatly, for equipment enlarging provides condition; Be excited at the same time device and adopt vibrating motor, the bearing of use is less, and bearing friction power is less, and bearing is difficult for heating, and stability is high, and repair and maintenance is convenient, and use cost is low; Charging aperture adopts the structural design of feed well, and material was cushioned through feed well earlier before the entering sieve plate, and material gets into sieve plate again after cushioning, alleviate the impact of material to sieve plate, has prolonged the service life of sieve plate; Exciting vibration spring is stretching alloy helical spring, and is simple in structure, easy for installation, long service life; Sieve plate selects for use rubber or polyurethane material to make, and simple in structure, wearability is good, long service life; The amplitude of screen box and the size of feeding coal are irrelevant, can be in the steady state value state forever, and the amplitude that has solved the elemental body vibratory sieve has guaranteed equipment high-performance in use, high efficiency with the problem that the increase of feeding coal reduces with this.
Description of drawings
Fig. 1 is a cross section view of the present invention.
Fig. 2 is a side structure sketch map of the present invention.
Fig. 3 is a stereogram of the present invention.
Wherein, excitor side plate 1, exciting vibration spring seat 2, motor mounting plate 3, vibrating motor 4; Flat spring seat 5, plate spring groups 6, exciting vibration spring group 7, screen box exciting vibration spring seat 8; Median plate 9, feed end bracing frame 10, sieve box side plate 11, feed well 12; Sieve plate bracing frame 13, sieve plate assembly 14, discharge end bracing frame 15, isolation spring 16.
The specific embodiment
Embodiment 1: the two plastid energy-saving vibration sieves of a kind of subresonance; Comprise plastid and following plastid; Upper and lower plastid links to each other with plate spring groups 6 through one group of exciting vibration spring group 7, and vibrating motor 4 is set on the last plastid, and vibrating motor 4 produces exciting force and drives upward mass vibrating; Last plastid drives mass vibrating down through exciting vibration spring group 7, forms the subresonance system of a sensitivity.
Last plastid is joined through the bolt connection combination by excitor side plate 1, exciting vibration spring seat 2, motor mounting plate 3 and flat spring seat 5 and is formed; Between two blocks of excitor side plates 1 exciting vibration spring seat 2 is set, the bottom surface of exciting vibration spring seat 2 becomes miter angle with the baseplane of excitor side plate 1; Exciting vibration spring seat 2 tops are provided with boring, and boring is connected with exciting vibration spring group 7; Be fixed with the motor mounting plate 3 vertical on the exciting vibration spring seat 2 with exciting vibration spring seat 2; Motor mounting plate 3 is that the plane of symmetry is symmetrically arranged between the two excitor side plates 1 with the opposite face of two excitor side plates 1; And parallel with the excitor biside plate, motor mounting plate 3 is used to put and fixing vibrating motor 4; The place, baseplane of two excitor side plates 1 is designed with flat spring seat 5, is used for installing plate groups of springs 6.
Following plastid is joined through the bolt connection combination by screen box exciting vibration spring seat 8, median plate 9, feed end bracing frame 10, sieve box side plate 11, feed well 12, sieve plate bracing frame 13, sieve plate assembly 14, discharge end bracing frame 15, flat spring seat 5 and is formed; Between two sieve box side plates 11 median plate 9 is set; Between median plate 9 and two sieve box side plates 11, screen box exciting vibration spring seat 8 is set; The end face of screen box exciting vibration spring seat 8 becomes miter angle with the plane, top of sieve box side plate 11; Sieve box side plate 11 is provided with boring, and boring is connected with exciting vibration spring group 7; Also be provided with sieve plate bracing frame 13, feed well 12, feed end bracing frame 10, discharge end bracing frame 15 between median plate 9 and two sieve box side plates 11; The last Plane Installation of sieve plate bracing frame 13 has sieve plate; Feed well 12 is used to cushion material, and feed end bracing frame 10, discharge end bracing frame 15 are used to strengthen the integral rigidity of plastid down; The top planar design of two sieve box side plates 11 has flat spring seat 5, is used for installing plate groups of springs 6; On the following plastid isolation spring 16 is housed also, purpose is to reduce the influence of the vibration of vibratory sieve to surrounding environment.
Exciting vibration spring group 7 becomes miter angle to install with the plane, top of sieve box side plate 11, promptly vibrating direction angle is 45 degree; Plate spring groups 6 becomes 135 degree angles to install with the plane, top of sieve box side plate 11, and vertical with exciting vibration spring group 7, guarantees the miter angle direction vibration of vibratory sieve along the plane, top of sieve box side plate 11 with this, and yaw does not take place.
Vibrating motor 4 is installed on the plastid, connects upper and lower plastid by exciting vibration spring group 7, and the input and output material end of the dual-side of following plastid is equipped with isolation spring 16; When shock electric machine is worked, produce exciting force and drive upward mass vibrating, last plastid drives mass vibrating down through the main spring that shakes; Thereby formed the subresonance system of a sensitivity; For screen box provides stable and not relevant with a feeding coal amplitude, guaranteed equipment high-performance in use, high efficiency.

Claims (5)

1. the two plastid energy-saving vibrations of subresonance sieve; It is characterized in that this vibratory sieve comprises plastid and following plastid; Upper and lower plastid links to each other with plate spring groups (6) through one group of exciting vibration spring group (7), and vibrating motor (4) is set on the last plastid, and vibrating motor (4) produces exciting force and drives upward mass vibrating; Last plastid drives mass vibrating down through exciting vibration spring group (7), forms the subresonance system of a sensitivity.
2. the two plastid energy-saving vibration sieves of a kind of subresonance as claimed in claim 1; It is characterized in that the described plastid of going up joined through the bolt connection combination by excitor side plate (1), exciting vibration spring seat (2), motor mounting plate (3) and flat spring seat (5) and form; Exciting vibration spring seat (2) is set between two blocks of excitor side plates (1), and the bottom surface of exciting vibration spring seat (2) becomes miter angle with the baseplane of excitor side plate (1); Exciting vibration spring seat (2) top is provided with boring, and boring is connected with exciting vibration spring group (7); Be fixed with the motor mounting plate (3) vertical on the exciting vibration spring seat (2) with exciting vibration spring seat (2); Motor mounting plate (3) is that the plane of symmetry is symmetrically arranged between the two excitor side plates (1) with the opposite face of two excitor side plates (1); And parallel with the excitor biside plate, motor mounting plate (3) is used to put and fixing vibrating motor (4); The place, baseplane of two excitor side plates (1) is designed with flat spring seat (5), is used for installing plate groups of springs (6).
3. the two plastid energy-saving vibration sieves of a kind of subresonance as claimed in claim 1; It is characterized in that described down plastid is joined through the bolt connection combination by screen box exciting vibration spring seat (8), median plate (9), feed end bracing frame (10), sieve box side plate (11), feed well (12), sieve plate bracing frame (13), sieve plate assembly (14), feed end bracing frame (10), flat spring seat (5) forms; Median plate (9) is set between two sieve box side plates (11); Between median plate (9) and two sieve box side plates (11), screen box exciting vibration spring seat (8) is set; The end face of screen box exciting vibration spring seat (8) becomes miter angle with the plane, top of sieve box side plate (11); Sieve box side plate (11) is provided with boring, and boring is connected with exciting vibration spring group (7); Also be provided with sieve plate bracing frame (13), feed well (12), feed end bracing frame (10), discharge end bracing frame (15) between median plate (9) and two sieve box side plates (11); The last Plane Installation of sieve plate bracing frame (13) has sieve plate; Feed well (12) is used to cushion material, and feed end bracing frame (10), discharge end bracing frame (15) are used to strengthen the integral rigidity of plastid down; The top planar design of two sieve box side plates (11) has flat spring seat (5), is used for installing plate groups of springs (6).
4. the two plastid energy-saving vibrations sieves of a kind of subresonance as claimed in claim 1 is characterized in that on the described following plastid isolation spring (16) being housed also, and purpose is to reduce the influence of the vibration of vibratory sieve to surrounding environment.
5. the two plastid energy-saving vibration sieves of a kind of subresonance as claimed in claim 1 is characterized in that described exciting vibration spring group (7) becomes miter angle to install with the plane, top of sieve box side plate (11), and promptly vibrating direction angle is 45 degree; Plate spring groups (6) becomes 135 degree angles to install with the plane, top of sieve box side plate (11), and vertical with exciting vibration spring group (7), guarantees the miter angle direction vibration of vibratory sieve along the plane, top of sieve box side plate (11) with this, and yaw does not take place.
CN2012102467546A 2012-07-17 2012-07-17 Sub-resonant two-mass energy-saving vibrating screen CN102744203A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104624492A (en) * 2015-02-28 2015-05-20 陕西三沅重工发展股份有限公司 Compound vibrating screen and compound vibration providing method
CN105772395A (en) * 2016-05-11 2016-07-20 济南中燃科技发展有限公司 Double-mass vertical vibration anti-resonance screen
CN107252780A (en) * 2017-06-12 2017-10-17 东北大学 A kind of three machines driving double mass subresonance motor synchronizing probability equal thick screen and parameter determination method
CN109649965A (en) * 2018-12-17 2019-04-19 东北大学 A kind of parameter determination method of four machine of subresonance double mass driving vibrosieve conveyer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2165936Y (en) * 1993-06-22 1994-05-25 首钢总公司 Double proton resonance screen
CN2193775Y (en) * 1993-10-18 1995-04-05 广西壮族自治区东罗矿务局机械厂 Portable efficient energy-saving screen
CN201261011Y (en) * 2008-07-25 2009-06-24 东北大学 Anti-resonance vibrating screen
CN101693237A (en) * 2009-09-28 2010-04-14 西南石油大学 Double-mass self-synchronization elliptical vibrating screen based on motion synthesis
JP3161575U (en) * 2010-05-11 2010-08-05 明治機械株式会社 Vibrating sieve device for raw material of granular materials
CN201768687U (en) * 2010-09-01 2011-03-23 鞍山重型矿山机器股份有限公司 Large vibration screen with a secondary vibration screen surface

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2165936Y (en) * 1993-06-22 1994-05-25 首钢总公司 Double proton resonance screen
CN2193775Y (en) * 1993-10-18 1995-04-05 广西壮族自治区东罗矿务局机械厂 Portable efficient energy-saving screen
CN201261011Y (en) * 2008-07-25 2009-06-24 东北大学 Anti-resonance vibrating screen
CN101693237A (en) * 2009-09-28 2010-04-14 西南石油大学 Double-mass self-synchronization elliptical vibrating screen based on motion synthesis
JP3161575U (en) * 2010-05-11 2010-08-05 明治機械株式会社 Vibrating sieve device for raw material of granular materials
CN201768687U (en) * 2010-09-01 2011-03-23 鞍山重型矿山机器股份有限公司 Large vibration screen with a secondary vibration screen surface

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104624492A (en) * 2015-02-28 2015-05-20 陕西三沅重工发展股份有限公司 Compound vibrating screen and compound vibration providing method
CN105772395A (en) * 2016-05-11 2016-07-20 济南中燃科技发展有限公司 Double-mass vertical vibration anti-resonance screen
CN105772395B (en) * 2016-05-11 2019-06-28 济南中燃科技发展有限公司 A kind of double mass vertical vibration antiresonance sieve
CN107252780A (en) * 2017-06-12 2017-10-17 东北大学 A kind of three machines driving double mass subresonance motor synchronizing probability equal thick screen and parameter determination method
CN107252780B (en) * 2017-06-12 2019-11-01 东北大学 The parameter determination method of three machines driving double mass subresonance motor synchronizing probability equal thick screen
CN109649965A (en) * 2018-12-17 2019-04-19 东北大学 A kind of parameter determination method of four machine of subresonance double mass driving vibrosieve conveyer

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Application publication date: 20121024