CN101612615A - Squirrel-cage vibration-free sizing screen - Google Patents
Squirrel-cage vibration-free sizing screen Download PDFInfo
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- CN101612615A CN101612615A CN200910065525A CN200910065525A CN101612615A CN 101612615 A CN101612615 A CN 101612615A CN 200910065525 A CN200910065525 A CN 200910065525A CN 200910065525 A CN200910065525 A CN 200910065525A CN 101612615 A CN101612615 A CN 101612615A
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Abstract
A kind of squirrel-cage vibration-free sizing screen belongs to the classifying screen of physical separation.This friction sieve comprises frame, rolls cage and actuating unit, and it is a plurality of rolling cage, is installed in side by side on the frame, and the base of frame is horizontal by an angle, and actuating unit is connected with an end that rolls cage.The squirrel-cage vibration-free sieve adopts a plurality of cages that roll to be arranged on the base side by side in order, roll cage and roll and leave the gap between the cage, raw coal through rolling roll cage the time, qualified broken coal is sorted to sieve coal bunker down, coal cinder and spoil that particle is bigger enter subsequent processing, need not vibration during screening, efficient is higher.Advantage: own wt is light, and permeability is good, the screening percentage height, and the effect height, the sieving capacity height adopts sprocket design, has nonelastic slip and skidding, and gearratio is accurate, and overload capacity is strong; The replacing grating is easy and simple to handle; Energy consumption is low, a large amount of energy savings; Noise is low, and environmental pollution is little, reduces the injury to human body, for the worker provides comparatively ideal working environment.
Description
Technical field
The present invention relates to a kind of spoil in the block raw coal or lump coal be realized the classifying screen of physical separation, particularly a kind of squirrel-cage vibration-free sizing screen in transmission course.
Background technology
At present, in colliery washery, the sieve that uses generally is to utilize the centrifugal force work principle, motor makes oscillator eccentric block and eccentric shaft produce highly rotation through shaft coupling, the centrifugal force of rotating eccentric block circle trajectory generation makes screen box produce the round orbiting motion of certain amplitude, material sees through sieve less than the particle of sieve aperture in screening process, be filtered on the next stage sorting arrangement greater than the particle of sieve aperture.In sort process, because the sieve end is in vibrational state all the time, produce big noise, plant capacity is big, the energy consumption height.It is big to add this equipment volume, installs, to change sieve very loaded down with trivial details, and labor strength is big, maintenance difficult, and it is relatively poor to sieve effect thoroughly.
Summary of the invention
The objective of the invention is to provide a kind of: the squirrel-cage vibration-free sizing screen of need not during screening to vibrate, efficient is higher.
The object of the present invention is achieved like this: this friction sieve comprises frame, rolls cage and actuating unit, and it is a plurality of rolling cage, is installed in side by side on the frame, and the base of frame is horizontal by an angle, and actuating unit is connected with an end that rolls cage.
Described frame has frame leg, base, baffle plate and bearing block (3), is connected with the frame leg in the bottom of base, and the periphery in the base upper end is connected with baffle plate, is connected with bearing block (3) in the upper end of base frame.
The described cage that rolls rolls cage door (2), rolls cage grating, bracing ring and rolls cage axle (4), roll the cage door and be positioned at two ends, roll the cage grating rolling to be evenly equipped with between the cage door, bracing ring rolls between the cage door two, roll the cage grating and pass bracing ring, roll the cage axle through rolling in cage door and the bracing ring, roll the cage axle and be connected on the bearing block, an end that rolls the cage axle stretches out spindle nose and is connected with and rolls the cage sprocket wheel.
Described transmission device has motor, reduction box (8), chain and sprocket wheel (7), and the power shaft of reduction box is connected with motor, is connected with sprocket wheel on the output shaft of reduction box, sprocket wheel by chain with roll the cage sprocket wheel and be connected.
Beneficial effect: owing to adopted such scheme, the squirrel-cage vibration-free sieve adopts a plurality of cages that roll to be arranged on the base side by side in order, roll cage and roll and leave the gap between the cage, gap size is according to the working site needs, set up man-hour adding, roll cage by rolling the cage baffle plate, bracing ring and roll the cage grating and constitute, roll the cage grating by being distributed on the hole of rolling on cage door and the bracing ring, intert and rolling between cage door and the bracing ring, constitute squirrel-cage, raw coal through rolling roll cage the time, by the gap of rolling gap between cage and roll between the cage grating qualified broken coal is sorted to sieve coal bunker down, coal cinder and spoil that particle is bigger enter subsequent processing, need not vibration during screening, efficient is higher, has reached purpose of the present invention.
Advantage:
1, adopt the squirrel-cage design, it is light to have an own wt, and permeability is good, screening percentage height, effect height, plurality of advantages such as sieving capacity obviously improves, and adopts sprocket design, has nonelastic slip and skidding, and gearratio is accurate, and overload capacity is strong.
2, roll the grating that the cage surface is made by spring steel, be embedded on the bracing ring that rolls cage two ends door and centre, leave the grating hole on door and the bracing ring, the gap between the grating hole can be arranged to required pitch of holes as required.Grating damages in operation process easily, belongs to consumable accessory, easily causes distortion when bigger spoil or coal cinder impact grating, can directly take off grating and change standby grating, and is easy and simple to handle.
3, power of motor is little, and it is low to have energy consumption, and power consumption only is 1/4th of normally used classifying screen, energy savings in a large number.Because adopt squirrel-cage to roll cage, permeability is good, the sieving rate height, per hour the raw coal treating capacity can reach 150 tons, is more than 2 times for the treatment of capacity of generic hierarchical sieve, has popularizing value.
4, owing to adopt the friction design, noise is low, and noise level is 75 decibels, reduces by 30 decibels of noises than existing screening plant, and environmental pollution is little, reduces the injury to human body, for the worker provides comparatively ideal working environment.
Description of drawings
Fig. 1 is a structure chart of the present invention.
Among the figure, 1, baffle plate; 2, roll the cage door; 3, bearing block; 4, roll the cage axle; 5, base; 6, frame leg 7, sprocket wheel; 8, reduction box; 9, chain.
The specific embodiment
Embodiment 1: this friction sieve comprises frame, rolls cage and actuating unit, and it is a plurality of rolling cage, is installed in side by side on the frame, and the base of frame is horizontal by an angle, and actuating unit is connected with an end that rolls cage.
Described frame has frame leg 6, base 5, baffle plate and bearing block 3, is connected with frame leg 6 in the bottom of base 5, and the periphery in the base upper end is connected with baffle plate 1, is connected with bearing block 3 in the upper end of base frame.
The described cage that rolls rolls cage door 2, rolls cage grating, bracing ring and rolls cage axle 4, roll the cage door and be positioned at two ends, roll the cage grating rolling to be evenly equipped with between the cage door, bracing ring is rolling between the cage door, roll the cage grating and pass bracing ring, roll the cage axle rolling to be connected with on the cage door outer face, roll the cage axle and be connected on the bearing block, an end that rolls the cage axle protrudes bearing block and is connected with and rolls the cage sprocket wheel.
Described transmission device has motor, reduction box 8, chain 9 and sprocket wheel 7, and the power shaft of reduction box is connected with motor, is connected with sprocket wheel on the output shaft of reduction box, sprocket wheel by chain with roll the cage sprocket wheel and be connected.
Operation principle: 1, present embodiment adopts 12 and rolls cage, 12 are rolled cage and are installed on the base side by side in order, each the same side main shaft that rolls cage cooperates with sprocket wheel, by chain adjacent two sprocket wheels are linked up, in order to reach stress equalization, reduction box spindle nose sprocket wheel and the 6th roll cage axle side chain wheel and link by chain, reduction box connects with motor, the driven by motor reduction box, the reduction box sprocket wheel rolls cage axle sprocket wheel by the chain and the six roots of sensation of rolling cage and connects all chain gear transmission of drive, forms transmission system.
Embodiment 2:12 base and horizontal plane that rolls the cage place is inclined to 18 °.Raw coal be poured into transmission roll cage the time, rolled centrifugal force that rotates on the cage surface and the frictional force of rolling the cage surface, promoting raw coal forwards moves, particle smaller wherein, the slit of passing through to roll between cage that meets the screening condition drains to coal bunker with the slit of rolling the cage grating, and the quilt that can't pass through that particle is bigger rolls cage and takes to into next process.
Claims (4)
1, a kind of squirrel-cage vibration-free sizing screen, it is characterized in that: this friction sieve comprises frame, rolls cage and actuating unit, and it is a plurality of rolling cage, is installed on the frame side by side, the base of frame is horizontal by an angle, and actuating unit is connected with an end that rolls cage.
2, squirrel-cage vibration-free sizing screen according to claim 1, it is characterized in that: described frame has frame leg, base, baffle plate and bearing block (3), be connected with the frame leg in the bottom of base, the periphery in the base upper end is connected with baffle plate, is connected with bearing block (3) in the upper end of base frame.
3, squirrel-cage vibration-free sizing screen according to claim 1, it is characterized in that: the described cage that rolls rolls cage door (2), rolls cage grating, bracing ring and rolls cage axle (4), roll the cage door and be positioned at two ends, roll the cage grating rolling to be evenly equipped with between the cage door, bracing ring rolls between the cage door two, rolls the cage grating and passes bracing ring, rolls the cage axle through rolling in cage door and the bracing ring, roll the cage axle and be connected on the bearing block, an end that rolls the cage axle stretches out spindle nose and is connected with and rolls the cage sprocket wheel.
4, squirrel-cage vibration-free sizing screen according to claim 1, it is characterized in that: described transmission device has motor, reduction box (8), chain and sprocket wheel (7), the power shaft of reduction box is connected with motor, be connected with sprocket wheel on the output shaft of reduction box, sprocket wheel by chain with roll the cage sprocket wheel and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910065525A CN101612615A (en) | 2009-07-17 | 2009-07-17 | Squirrel-cage vibration-free sizing screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910065525A CN101612615A (en) | 2009-07-17 | 2009-07-17 | Squirrel-cage vibration-free sizing screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101612615A true CN101612615A (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910065525A Pending CN101612615A (en) | 2009-07-17 | 2009-07-17 | Squirrel-cage vibration-free sizing screen |
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| CN (1) | CN101612615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850332A (en) * | 2010-05-28 | 2010-10-06 | 徐州矿务集团有限公司旗山煤矿 | Zero-vibration rolling classifying screen |
-
2009
- 2009-07-17 CN CN200910065525A patent/CN101612615A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850332A (en) * | 2010-05-28 | 2010-10-06 | 徐州矿务集团有限公司旗山煤矿 | Zero-vibration rolling classifying screen |
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Open date: 20091230 |