CN106269489A - A kind of monolateral drive-type is rocking sieve - Google Patents

A kind of monolateral drive-type is rocking sieve Download PDF

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Publication number
CN106269489A
CN106269489A CN201610911919.5A CN201610911919A CN106269489A CN 106269489 A CN106269489 A CN 106269489A CN 201610911919 A CN201610911919 A CN 201610911919A CN 106269489 A CN106269489 A CN 106269489A
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CN
China
Prior art keywords
frame
screen box
power transmission
transmission shaft
screen
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Granted
Application number
CN201610911919.5A
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Chinese (zh)
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CN106269489B (en
Inventor
刘初升
邹梦麒
武继达
宋宝成
王振乾
袁驰
邱文强
赵薇
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Priority to CN201610911919.5A priority Critical patent/CN106269489B/en
Publication of CN106269489A publication Critical patent/CN106269489A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/286Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens

Abstract

A kind of monolateral drive-type is rocking sieve, including base, motor, frame, hanger bar, pulley transmission mechanism, the power transmission shaft of screen box motion in drive, the lower screen box being fixed in frame, by hanging the upper screen box that articulated manner is installed in frame, it is arranged on the bracing frame on upper and lower screen box, and connects the elastic polyurethane screen cloth composition of upper and lower screen box bracing frame.Motor is placed in the side of frame, passes motion to power transmission shaft by pulley transmission mechanism.Power transmission shaft is two sections of centering type bent axles, uses four sliding bearings to support, and eccentric part installs rolling bearing, and end installs belt pulley.Power transmission shaft drives upper screen box to move relative to lower screen box by crank connecting link, drives screen cloth to make flex motion, it is achieved material sieves thoroughly.The percent opening of compass screen surface sieve aperture is incremented by, and is effectively guaranteed service life and the screening effect of screen cloth.Its simple in construction, operates steadily, and noise is little, and work efficiency is high, and energy consumption is low, and good combination property is practical.

Description

A kind of monolateral drive-type is rocking sieve
Technical field
The present invention relates to a kind of monolateral drive-type rocking sieve, be particularly suited for the dry method degree of depth of coal preparation plant's moist fine particulate coal Screening, is also applied for the dry deep-sizing of other type material.
Background technology
The dry deep-sizing of moist fine particulate coal is current material sieving technology urgent problem.During deep screening, by , specific surface area little in granule is big, meet water easily adheres to cause plug-hole, common vibrosieve to be difficult to this screening task.Flip flop screen The effective depth screening plant of fine moist material, it has, and Screen surface acceleration is big, compass screen surface makees elastic deflection motion, material in The features such as saltatory advance, not plug-hole.For this problem, had a lot of design, below various shake with regard to existing The pluses and minuses of dynamic sieve illustrate.
Application No. 201510350698.4 disclosed " Three Degree Of Freedom flip flop screen ", its sieve is obtained in that one three freely The vibrational excitation of degree, and the parameter Independent adjustable of inertial oscillation and oscillation crosswise, be particularly suitable for the moist and screening of fine, But its mass of vibration is overweight, higher to the requirement of strength of material, energy consumption is big.
Application No. 201420055238.X is disclosed " three layers rocking sieve ", sets the sieve plate that haves three layers in screen frame, and screen frame passes through steel Cord is hung in frame, and eccentric shaft passes perpendicularly through screen frame.This mode screening effect is good, and energy consumption is low, but structural instability, easily Deflect motion.
Application No. 201310739479.6 disclosed " compound flip flop screen ", its upper and lower two floating screen frames connect respectively Lower two eccentric shaft drive systems, then connect upper and lower two driving motors by Hooks coupling universal coupling.This mode can be effective The problem solving plug-hole, but to ensure the stationary problem of two motors in the course of the work, it is easy to dyskinesias occurs Phenomenon.
Application No. 97235985.0 disclosed " hanging two-side driving flip-flow screening machine ", uses the crank block and four hung Linkage, but the support on screen box uses slab construction, compass screen surface rapid wear;Secondly this flip flop screen uses 3 sections of bent axles and belt pulley It is two and separates part and the motor asymmetric power source of biasing, use this kind of structure bent axle easily by moment of torsion thus produce tired broken Bad and bent axle is the thickest and is difficult to process;Though finally this flip flop screen every section compass screen surface uses two sections of little being conducive in big centre thoroughly to sieve But sieve aperture quantity is consistent along sieve length direction every piece sieve plate, compass screen surface reliability it is difficult to ensure that, compass screen surface rapid wear.
Application No. 200810195649.8 disclosed " centralized driving formula flip flop screen ", drive mechanism uses pulley drive Mechanism is located at the arrangement form below the middle part of power transmission shaft, and the middle part of power transmission shaft is provided with the belt being connected with pulley transmission mechanism Wheel, the axle of belt pulley the right and left is symmetrical, is machined with eccentric shaft part respectively, for four sections of eccentric bent axles of same axle.Its belt Changing inconvenience, power transmission shaft processing technique is complicated, and cost is high.Screen frame is articulated with in frame, owing to rack error easily produces Yaw motion, affects flip flop screen running stability.
Application No. 201410016518.4 disclosed " a kind of acoustic filed formula is rocking sieve " uses four eccentric segments and passes Moving axis drives upper and lower screen box to perform relative motion.Owing to frame quality is inadequate, mass of vibration is relatively big, causes shaking in its work process Dynamic too big, bumpy motion, noise is the biggest.
Summary of the invention
Technical problem: the invention aims to overcome deficiency of the prior art, it is provided that a kind of simple in construction, transmission are put down Surely, monolateral drive-type easy to assembly, sieve plate length in service life is rocking sieve.
Technical scheme: the monolateral drive-type that the present invention adopts is rocking sieve, including base, upper screen box, lower screen box, Flexible sieve, Handle connecting rod, hanger bar, power transmission shaft, bent frame, frame crossbeam, motor, belt pulley, adjustable motor base, housiung separator and Driving end support column;
Described frame is fixed on base;Described motor is arranged on the one of base by adjustable motor base Side, motor is connected with power transmission shaft by belt pulley, and power transmission shaft is located on driving end support column;
Described power transmission shaft is to monosymmetric multidiameter by middle, and multidiameter includes being connected with middle part axial symmetry successively Second supports shaft part, linkage section, eccentric segment and first supports shaft part, and one end of multidiameter is connected with the spindle nose installing belt pulley, institute Stating the first support shaft part to be arranged on clutch shaft bearing seat by sliding bearing, described second supports shaft part is installed by sliding bearing On the second bearing block, described eccentric segment is connected with the crossbeam of upper screen box by crank connecting link, forms slider-crank mechanism;
Described frame is fixed on the ground by snubber base, or is directly anchored on ground, and described frame includes Two the frame crossbeams be arrangeding in parallel and arranged in parallel some groups of housiung separators on two frame crossbeams;
Described lower screen box is fixed in frame, is positioned at the bottom of screen box, parallels with upper screen box, described upper screen box It is suspended on housiung separator by hanger bar;
Described Flexible sieve is arranged on bracing frame.
Described driving end support column is channel-section steel, and lower end is connected on base, and Bolted angle connection is passed through at power transmission shaft in upper end On pedestal base.
Described upper screen box and hanger bar junction have been provided with the ROSTA rubber spring of cushioning effect.
Described lower screen box is bolted or is weldingly fixed in frame.
The bearing block installation place of described power transmission shaft has the oil filler point of an intermittent oiling intermediate bearing.
Described hanger bar is rigid suspended bar or flexible suspension bar.
Described Flexible sieve is made up of polyurethane.
Beneficial effect: the frame of the present invention can be placed on elastic base, can play the work of buffering to the vibration of frame With, and reduce vibration noise;Use two sections of eccentric power transmission shafts, only drive the motion of upper screen frame, meeting job requirement Meanwhile, the service life of power transmission shaft, screen frame and screen cloth can be increased, Oscillation Amplitude can be reduced again, reduce vibration noise;By lower sieve Case is fixed in frame, it is not necessary to buttress brace, it becomes possible to ensure its rigidity of structure;Lower screen box is connected with frame, is equivalent to increase Add frame quality, alleviated mass of vibration, it is ensured that stability during its work, and be easily installed;Elastic screen surface uses poly- Urethane material, in vibration processes, drives compass screen surface to make flex motion, it is achieved material sieves thoroughly, and screening efficiency is high;At compass screen surface hole count cloth Putting aspect, the mode using percent opening to be gradually incremented by carries out perforate, to ensure that the compass screen surface compass screen surface when carrying material in front end is difficult to The effect that fracture and whole compass screen surface sieve the most thoroughly.When described power transmission shaft drives upper screen box motion by toggle, on The amplitude of screen box will not be fluctuated by quality of material to be affected.Power transmission shaft only drives screen box to move, and wants in same satisfied screening While asking, its power consumption is the most much smaller;Complete machine structure is simple, and lateral wall bending resistance is strong, deforms little, longitudinally, laterally resists load The ability of lotus is strong, and comprehensive mechanical performance is reliable, and practicality is more extensive.
Accompanying drawing explanation
Fig. 1 is the monolateral drive-type rocking sieve structure schematic front view of the present invention;
Fig. 2 is the monolateral drive-type rocking sieve structure schematic top plan view of the present invention;
Fig. 3 is the monolateral drive-type rocking sieve structure left view schematic diagram of the present invention;
Fig. 4 is the running part structural representation of the present invention;
Fig. 5 is the ROSTA rubber spring structure schematic diagram of the present invention;
Fig. 6 is the perspective view of the present invention.
In figure: the upper screen box of 1-;Screen box under 2-;3-Flexible sieve;4-crank connecting link;5-hanger bar;6-power transmission shaft, 6-1-axle Head, 6-2-first supports shaft part, 6-3-eccentric segment, 6-4-linkage section, and 6-5-second supports shaft part;7-bracing frame, 7-1-first Bracing frame, 7-2-the second bracing frame;8-frame;9-the second bearing block;10-clutch shaft bearing seat;11-frame crossbeam;12-is electronic Machine, 13-the 3rd bearing block;14-belt pulley;15-adjustable motor base;16-locks back-up ring;17-housiung separator;18-ROSTA Rubber spring;19-driving end support column
Detailed description of the invention
The present invention is further illustrated for embodiment in below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2, Figure 3 shows, the monolateral drive-type of the present invention is rocking sieve, mainly by base, upper screen box 1, lower screen box 2, Flexible sieve 3, handle connecting rod 4, hanger bar 5, power transmission shaft 6, frame 8, frame crossbeam 11, motor 12, belt pulley 14, adjustable Motor base 15, housiung separator 17 and driving end support column 19 form;
Described frame 8 is fixed on base;Described motor 12 is arranged on base by adjustable motor base 15 Side, motor 12 is connected with power transmission shaft 6 by belt pulley 14, and power transmission shaft 6 is located on driving end support column 19;
Described power transmission shaft 6 is to monosymmetric multidiameter by middle, and multidiameter includes being connected with middle part axial symmetry successively Second support shaft part 6-5, linkage section 6-4, eccentric segment 6-3 and first support shaft part 6-2, one end of multidiameter is connected with installation skin The spindle nose 6-1 of belt wheel 14, described first supports shaft part 6-2 is arranged on clutch shaft bearing seat 10 by sliding bearing, and described second Supporting shaft part 6-5 to be arranged on the second bearing block 9 by sliding bearing, described eccentric segment 6-3 passes through crank connecting link 4 and upper screen box The crossbeam of 1 is connected, and forms slider-crank mechanism, described eccentric segment 6-3 is provided with locking back-up ring 16, to prevent crank connecting link 4 Eccentric segment 6-3 produces and slides axially;
Described frame 8 is fixed on the ground by snubber base, or is directly anchored on ground, and described frame 8 is wrapped Include two the frame crossbeams 11 and arranged in parallel be arrangeding in parallel some groups of housiung separators 17 on two frame crossbeams 11;
The two ends of described housiung separator 17 are arranged on the 3rd bearing block 13, are arranged in two articles by the 3rd bearing block 13 On frame crossbeam 11;
Described lower screen box 2 is fixed in frame 8, is positioned at the bottom of screen box 1, parallels with upper screen box 1, and described is upper Screen box 1 is suspended on housiung separator 17 by hanger bar 5, and described upper screen box 1 uses ROSTA rubber with hanger bar 5 junction Spring 18;Described Flexible sieve (3) is arranged on bracing frame (7).
Described bracing frame 7 includes spaced first bracing frame 7-1 and the second bracing frame 7-2, described first Support 7-1 is arranged on screen box 1, and the second described bracing frame 7-2 is arranged on lower screen box 2, the first described bracing frame 7-1 It is positioned at sustained height with the top of the second bracing frame 7-2;The length of two bracing frames is different, and the compass screen surface being used for ensureing to install is water Flat;
Described Flexible sieve 3 is connected with each other by some pieces of rectangle compass screen surfaces and forms, and rectangle compass screen surface one end is arranged on first On support 7-1, one end is arranged on the second bracing frame 7-2;When two screen box relative motioies, drive the tension and relaxation fortune of Flexible sieve Dynamic.
Described driving end support column 19 is channel-section steel, and lower end is connected on base, and Bolted angle connection is passed through at power transmission shaft in upper end Pedestal base on.
Described upper screen box 1 and hanger bar 5 junction have been provided with the ROSTA rubber spring 18 of cushioning effect.
Described lower screen box 2 is bolted or is weldingly fixed in frame 8.
The bearing block installation place of described power transmission shaft 6 has the oil filler point of an intermittent oiling intermediate bearing.
Described hanger bar 5 is rigid suspended bar or flexible suspension bar.
Described Flexible sieve 3 is made up of polyurethane, and the percent opening of screen cloth is incremented by along charging aperture to the direction of discharging opening. Below each several part is illustrated:
Described base is fixed with frame 8 holding position;Described motor 12 is arranged on the end by adjustable motor base 15 On seat, described motor 12 is connected with power transmission shaft 6 by belt pulley 14.
Described power transmission shaft 6 is two eccentric segment bent axles, and as shown in Figure 4, linkage section 6-1 is connected with belt pulley 14, and belt pulley can Dismounting, according to the size of linkage section 6-1, belt pulley 14 also can be processed as roman with power transmission shaft 6;Described power transmission shaft 6 removes and connects After section 6-1, the shaft part of the right and left is symmetrical, and linkage section 6-2 is the first support shaft part, and linkage section 6-3 is eccentric segment, linkage section 6-5 is the second support shaft part;Described first supports shaft part 6-2 is arranged on clutch shaft bearing seat 10 by bearing, described second Support shaft part 6-5 is arranged on the second bearing block 9 by bearing, and described eccentric segment 6-3 is by the horizontal stroke of crank connecting link 4 with upper screen box 1 Beam connects;Described power transmission shaft 6 upper bearing (metal) installation place is provided with oil filler point, intermittent oiling intermediate bearing, and described power transmission shaft is noted everywhere Oilhole should be contained in same direction, in order to charging-up lubricant oil;Described power transmission shaft 6 drives the vibration of upper screen box 1, meets same While screening requires, power consumption is the most much smaller.
Described frame 8 can be connected with ground by snubber base, it is also possible to directly connecting with ground, described frame 8 includes Pair of parallel frame crossbeam 11 and some groups of support crossbeams 17 of arranged in parallel, the power transmission shaft support column of described frame 8 uses Channel-section steel, lower end is connected directly between on bottom girder, and Bolted angle connection is passed through on transmission shaft bearing seat bottom plate in upper end.
The upper end of described hanger bar 5 is sleeved on support crossbeam 17, and lower end is hinged at upper screen box 1, described hanger bar 5 Rotating in perpendicular, described hanger bar 5 can use rigidity or flexible material according to different demands, in described hanger bar 5 The connecting hole of end and lower end is fitted with bearing shell.
Described upper screen box 1 is suspended on support crossbeam 17 by hanger bar 5, and described upper screen box 1 makes with hanger bar 5 junction With ROSTA rubber spring 18, can buffer the counteracting force to axle head when screen box vibrates, the vibration of described upper screen box 1 will not be subject to Impact to additional mass.
Described lower screen box 2 is by being fixed in frame 8, it is not necessary to buttress brace, is bolted, be arranged on frame pillar and On power transmission shaft support column.
Operation principle: motor 12 drives belt pulley 14 to rotate by belt drive system, and belt pulley 14 drives again transmission The rotation of axle 6.The eccentric segment 6-3 of power transmission shaft 6 and crank connecting link 4, upper screen box 1 form slider-crank mechanism, in power transmission shaft 6 drive Screen box 1 vibrates relative to lower screen box 2, so that Flexible sieve 3 disturbs Qu Yundong, it is achieved material sieves thoroughly.Described power transmission shaft 6 leads to Crossing toggle when driving upper screen box 1 to move, the amplitude of upper screen box 1 will not be fluctuated by quality of material to be affected.By leading The one-level mechanism kinematic of machine and little Rectangular Elastic sieve plate are linked to be two grades of elasticity of screen cloth 3 and disturb the mass motion that Qu Yundong is constituted, real The layering of existing material and sieve thoroughly.The principle i.e. using screening machine motion and compass screen surface flex motion to be separated, is designed to bullet by screen cloth Property compass screen surface, elastic screen surface can make vertical screen surface vibration relative to screening machine body, elastic screen surface is during screening machine moves To produce elastic movement, so that compass screen surface reaches big oscillation intensity, and the intensity of screening machine body vibration is less, is ensureing sieve On the premise of extension set reliability, it is achieved the big amplitude of compass screen surface, the screening process of big oscillation intensity.

Claims (7)

1. a monolateral drive-type is rocking sieve, it is characterised in that: it includes base, upper screen box (1), lower screen box (2), Flexible sieve (3), handle connecting rod (4), hanger bar (5), power transmission shaft (6), frame (8), frame crossbeam (11), motor (12), belt pulley (14), Adjustable motor base (15), housiung separator (17) and driving end support column (19);
Described frame (8) is fixed on base;Described motor (12) is arranged on the end by adjustable motor base (15) The side of seat, motor (12) is connected with power transmission shaft (6) by belt pulley (14), and power transmission shaft (6) is located at driving end support column (19) on;
Described power transmission shaft (6) is to monosymmetric multidiameter by middle, and multidiameter includes being connected with middle part axial symmetry successively Second supports shaft part (6-5), linkage section (6-4), eccentric segment (6-3) and first supports shaft part (6-2), and one end of multidiameter is connected with Installing the spindle nose (6-1) of belt pulley (14), described first supports shaft part (6-2) is arranged on clutch shaft bearing seat by sliding bearing (10), on, described second supports shaft part (6-5) is arranged on the second bearing block (9) by sliding bearing, described eccentric segment (6-3) It is connected by the crossbeam of crank connecting link (4) with upper screen box (1), forms slider-crank mechanism;
Described frame (8) is fixed on the ground by snubber base, or is directly anchored on ground, described frame (8) bag Include two the frame crossbeams (11) be arrangeding in parallel and the arranged in parallel some groups of housiung separators on two frame crossbeams (11) (17);
Described lower screen box (2) is fixed in frame (8), is positioned at the bottom of screen box (1), parallels with upper screen box (1), described Upper screen box (1) be suspended on housiung separator (17) by hanger bar (5);
Described Flexible sieve (3) is arranged on bracing frame (7).
Monolateral drive-type the most according to claim 1 is rocking sieve, it is characterised in that: described driving end support column (19) is Channel-section steel, lower end is connected on base, and Bolted angle connection is passed through on the pedestal base of power transmission shaft in upper end.
Monolateral drive-type the most according to claim 1 is rocking sieve, it is characterised in that: described upper screen box (1) and hanger bar (5) junction has been provided with the ROSTA rubber spring (18) of cushioning effect.
Monolateral drive-type the most according to claim 1 is rocking sieve, it is characterised in that: described lower screen box (2) passes through bolt Connect or be weldingly fixed in frame (8).
Monolateral drive-type the most according to claim 1 is rocking sieve, it is characterised in that: the bearing block peace of described power transmission shaft (6) The oil filler point of an intermittent oiling intermediate bearing is had at dress.
Monolateral drive-type the most according to claim 1 is rocking sieve, it is characterised in that: described hanger bar (5) is that rigidity is hanged Peg or flexible suspension bar.
Monolateral drive-type the most according to claim 1 is rocking sieve, it is characterised in that: described Flexible sieve (3) is by poly-ammonia Ester is made.
CN201610911919.5A 2016-10-19 2016-10-19 A kind of unilateral drive-type swinging screen Active CN106269489B (en)

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CN106269489B CN106269489B (en) 2018-07-06

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107486394A (en) * 2017-09-07 2017-12-19 山西平阳重工机械有限责任公司 Stalk laminator waste material separates and recovers equipment
CN109530220A (en) * 2018-12-18 2019-03-29 中国矿业大学 A kind of vibration type swing sieve
CN110340003A (en) * 2019-07-10 2019-10-18 中国矿业大学 A kind of floating frame double drive self-balancing type flip flop screen
CN110465483A (en) * 2019-08-14 2019-11-19 中国矿业大学 A kind of pressure driving self-balancing type flip flop screen
CN110882886A (en) * 2019-11-29 2020-03-17 四川皇龙智能破碎技术股份有限公司 Double-layer large-scale fine screen screening machine

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CN201261013Y (en) * 2008-09-01 2009-06-24 中国矿业大学 Centralized driving motion type relaxation sieve
CN101664738A (en) * 2008-09-01 2010-03-10 中国矿业大学 Centralized driving flip-flow screen
CN103752498A (en) * 2014-01-14 2014-04-30 中国矿业大学 Distributed driven type rocking sieve
CN104307728A (en) * 2014-09-30 2015-01-28 沈阳天安矿山机械股份有限公司 Upper driving type roller sieve

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Publication number Priority date Publication date Assignee Title
US20030178346A1 (en) * 2002-03-22 2003-09-25 Colgrove James R. Vibratory screening machine with single motor mounted to produce linear motion
CN201261013Y (en) * 2008-09-01 2009-06-24 中国矿业大学 Centralized driving motion type relaxation sieve
CN101664738A (en) * 2008-09-01 2010-03-10 中国矿业大学 Centralized driving flip-flow screen
CN103752498A (en) * 2014-01-14 2014-04-30 中国矿业大学 Distributed driven type rocking sieve
CN104307728A (en) * 2014-09-30 2015-01-28 沈阳天安矿山机械股份有限公司 Upper driving type roller sieve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107486394A (en) * 2017-09-07 2017-12-19 山西平阳重工机械有限责任公司 Stalk laminator waste material separates and recovers equipment
CN109530220A (en) * 2018-12-18 2019-03-29 中国矿业大学 A kind of vibration type swing sieve
CN110340003A (en) * 2019-07-10 2019-10-18 中国矿业大学 A kind of floating frame double drive self-balancing type flip flop screen
CN110465483A (en) * 2019-08-14 2019-11-19 中国矿业大学 A kind of pressure driving self-balancing type flip flop screen
CN110465483B (en) * 2019-08-14 2020-10-30 中国矿业大学 Forced driving self-balancing flip-flow screen
WO2021027617A1 (en) * 2019-08-14 2021-02-18 中国矿业大学 Positive drive self-balancing type flip-flow screen
CN110882886A (en) * 2019-11-29 2020-03-17 四川皇龙智能破碎技术股份有限公司 Double-layer large-scale fine screen screening machine

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