CN106423848B - Four short shock electric machine linear vibrating screens of torsionspring coupling - Google Patents
Four short shock electric machine linear vibrating screens of torsionspring coupling Download PDFInfo
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- CN106423848B CN106423848B CN201611087129.6A CN201611087129A CN106423848B CN 106423848 B CN106423848 B CN 106423848B CN 201611087129 A CN201611087129 A CN 201611087129A CN 106423848 B CN106423848 B CN 106423848B
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- electric machine
- shock electric
- torsionspring
- coupling
- shock
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/284—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with unbalanced weights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
Abstract
A kind of four short shock electric machine linear vibrating screens of torsionspring coupling of patent of the present invention are coupled eccentric block etc. and are formed by feed hopper, the first shock electric machine, shield, the second shock electric machine, third shock electric machine, motor cabinet, the 4th shock electric machine, screen box, isolation spring, pedestal, the second coupling eccentric block, the first torsionspring, the first coupling eccentric block, the 4th coupling eccentric block, the second torsionspring, third.Four identical shock electric machines are coaxially mounted on motor cabinet two-by-two, and torsionspring is of coupled connections two coaxial shock electric machines, mitigate the startup impact for absorbing the two, and both realizations zero are synchronised.Two pairs of shock electric machine constant speed reversely rotate, and the exciting force of generation realizes the linear motion of vibrating screen.After steady running, two shock electric machines being of coupled connections only need an energization.The present invention can give full play to the exciting force of shock electric machine, realize the big amplitude of vibrating screen, and low energy consumption, simple in structure, installation maintenance is easy, and noise is small, floor space is small.
Description
Technical field
The present invention relates to the vibrating screens being separated by solid-liquid separation and solid material sieves, especially ore dressing, coal separation, metallurgy, petroleum drilling
Four machines of the big sieving area used in the operations such as well drive linear vibrating screen.
Background technology
Single shock electric machine, Double -motor excitation, four shock electric machines and more than four even numbers may be used in linear vibrating screen
A shock electric machine is realized.When using single shock electric machine and Double -motor excitation, total exciting force is restricted, it is difficult to realize vibrating screen
Exciting force needed for large area high efficiency screening.ZL200910187748.6 uses four shock electric machine self-synchronization excitings, and four are swashed
The motor that shakes is divided into two pairs and is symmetrically arranged on the vibrating motor seat of two auxiliary rigid units, between each pair of shock electric machine not
Any connection is done, when realizing vibrating screen straight-line trajectory, it is symmetrical that two auxiliary rigid bodies, which are symmetrically arranged on sieve nest with the longitudinal axis,
On the position of axis；Due to the mechanical electric coupling between shaker systems and electric system, two shock electric machines turning round in the same direction
It will appear reverse phase synchronous regime；And existing phase angle makes the exciting force that screen box side surface direction is subject between coaxial shock electric machine
Asymmetry makes screen box generate larger sideshake；This is complicated simultaneously, difficult to install, when realizing straight path, motor energy
Consumption is big.ZL201520618381.X drives four vibrators to realize four driving linear vibrating screens, each pair of vibrator by motor
It is installed on side plate, connection axis connection is used between vibrator, it is complicated；A general-purpose motor driving is only needed when startup
One group of vibrator, then another group of vibrator is driven to by connecting shaft, it is therefore desirable to high-power necessary electromotor；Simultaneously using general
There is following deficiencies for motor driving：General-purpose machine is usually mounted to ground, and such whole device floor space increases, and needs
Additional transmission device and maintenance expense.In order to solve above-mentioned four shock electric machines linear vibrating screen mechanical electric coupling and
Shock electric machine starts the problems such as asynchronous, and spy proposes four short shock electric machine linear vibrating screens of torsionspring coupling.
Invention content
It is easy for installation the purpose of the present invention is to provide a kind of simple in structure, it can avoid turning round shock electric machine in the same direction
Reverse phase synchronizes behavior, and effective excitation force is big, four short shock electric machine linear vibrating screens of the low torsionspring coupling of energy expenditure.
To achieve the above object, present invention employs following technical solutions.
Four short shock electric machine linear vibrating screens of torsionspring coupling are swashed by feed hopper, the first shock electric machine, shield, second
Shake motor, third shock electric machine, motor cabinet, the 4th shock electric machine, screen box, isolation spring, pedestal, the second coupling eccentric block, the
One torsionspring, the first coupling eccentric block, the 4th coupling eccentric block, the second torsionspring, third coupling eccentric block composition.
It forms an angle between the plane and the compass screen surface of screen box of installation motor on motor cabinet, the first shock electric machine, second swash
Motor, third shock electric machine, the 4th shock electric machine shake on motor cabinet, the first shock electric machine and the second shock electric machine axis
It overlaps, third shock electric machine and the 4th shock electric machine axis overlap, and are arranged symmetrically along the centroid position of screen box width direction.The
One coupling eccentric block is connect with the second coupling eccentric block by the first torsionspring, and third coupling eccentric block couples bias with the 4th
Block is connected by the second torsionspring, and the axis and the first shock electric machine of third shock electric machine and the 4th shock electric machine and second swash
Shake motor axis it is parallel.
The first shock electric machine and the second shock electric machine that first torsionspring is of coupled connections in the same direction while being opened as first group
It is dynamic, and the third shock electric machine that is of coupled connections of the second torsionspring and the 4th shock electric machine in the same direction while being opened as second group
Dynamic, second group of direction of rotation is opposite with first group of direction of rotation.Between first shock electric machine and the second shock electric machine due to
The impact of asynchronous generation when startup absorbed by the first torsionspring, between third shock electric machine and the 4th shock electric machine due to
The impact of asynchronous generation when startup is absorbed by the second torsionspring, with the operating of motor, the first torsionspring and second
The impact energy that torsionspring absorbs gradually discharges, and first group of shock electric machine, second group of shock electric machine reverse bullet first respectively
Gradually realize that zero phase synchronizes under the coupling of spring and the second torsionspring.First group of shock electric machine and second group of shock electric machine
It can start simultaneously, can also be respectively started.
Four shock electric machines are using identical model and identical eccentric mass-radius product, and four exciting forces generated are in two electricity
Component on face determined by arbor line is cancelled out each other, only the remaining power perpendicular to the plane, and the force vector endpoint of resultant force
Track is straight line.
It, can be by a power-off and third exciting in the first shock electric machine and the second shock electric machine after vibrating screen steady running
A power-off in motor and the 4th shock electric machine.The moment of resistance overcome required for motor when due to vibrating screen steady running is mainly
An energization and third shock electric machine and the 4th shock electric machine in frictional resistance moment, the first shock electric machine and the second shock electric machine
In an energization, vibrating screen still can realize stable linear motion, to realize the big exciting force of vibrating screen and energy saving.
The advantage of the invention is that：（1）Compared with the linear vibrating screen of the current single, double motor exciting used, it can expire
Exciting force needed for the big sieving area vibrating screen of foot.（2）Compared with existing four motors linear vibrating screen, system reverse phase is avoided
Synchronous regime and the phenomenon that so that exciting force is cancelled, given full play to the exciting force of four shock electric machines.（3）Two of coaxial line
Shock electric machine is located proximate to screen box both side plate, and motor cabinet institute bending moment reduces, in vibrating screen the intensity of key structure and service life obtain
To raising.（4）Low energy consumption for the linear vibrating screen of the present invention.During steady running, a motor in each pair of motor keeps logical
Electricity, i.e., only there are two electrical powers, so vibrating screen energy consumption is close with Double -motor excitation vibrating screen.（5）Simple in structure, occupation of land face
Product is small, installation maintenance is easy, and noise is small.
Description of the drawings
Fig. 1 is the three dimensional structure diagram of the present invention.
Fig. 2 is the front view of the structural schematic diagram of the present invention.
Fig. 3 is the vertical view of the structural schematic diagram of the present invention.
Fig. 4 is the right view of the structural schematic diagram of the present invention.
In figure, 1. feed hoppers, 2. first shock electric machines, 3. shields, 4. second shock electric machines, 5. third shock electric machines, 6.
Motor cabinet, 7. the 4th shock electric machines, 8. screen boxs, 9. isolation springs, 10. pedestals, 11. second coupling eccentric blocks, 12. first torsions
Spring, 13. first coupling eccentric blocks, 14. the 4th coupling eccentric blocks, 15. second torsionsprings, 16. thirds couple eccentric block.
Specific implementation mode
Embodiment of the present invention is illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, four short shock electric machine linear vibrating screens of torsionspring of the invention coupling, by
Feed hopper 1, the first shock electric machine 2, shield 3, the second shock electric machine 4, third shock electric machine 5, motor cabinet 6, the 4th shock electric machine
7, screen box 8, isolation spring 9, pedestal 10, second couple eccentric block 11, the first torsionspring 12, first coupling eccentric block 13, the
Four coupling eccentric blocks 14, the second torsionspring 15, third coupling eccentric block 16 form.
It forms an angle between the plane and the compass screen surface of screen box 8 of the installation motor of motor cabinet 6.First shock electric machine 2 and
Two shock electric machines, 4 axis overlaps ground and is mounted on motor cabinet 6, and third shock electric machine 5 and 7 axis of the 4th shock electric machine overlap ground peace
It is arranged symmetrically on motor cabinet 6, and along the centroid position of 8 width direction of screen box.First coupling eccentric block 13 is mounted on first
On 2 axis of shock electric machine, the second coupling eccentric block 11 is mounted on 4 axis of the second shock electric machine, and third coupling eccentric block 16 is mounted on
On 5 axis of third shock electric machine, the 4th coupling eccentric block 14 is mounted on 7 axis of the 4th shock electric machine.First coupling eccentric block 13 with
Second coupling eccentric block 11 is connected by the first torsionspring 12；Third coupling eccentric block 16 couples eccentric block 14 with the 4th and passes through
Second torsionspring 15 connects.The axis and the first shock electric machine 2 and second of third shock electric machine 5 and the 4th shock electric machine 7 swash
Shake motor 4 axis it is parallel.
First shock electric machine 2 and the second shock electric machine 4 start simultaneously in the same direction, third shock electric machine 5 and the 4th shock electric machine 7
Start simultaneously in the same direction, the direction of rotation of third shock electric machine 5 and the 4th shock electric machine 7 and the first shock electric machine 2 and the second exciting
The direction of rotation of motor 4 is opposite.First shock electric machine 2, the second shock electric machine 4, third shock electric machine 5 and the 4th shock electric machine 7
It can start simultaneously, also can first start the first shock electric machine 2 and the second shock electric machine 4, restart third shock electric machine 5 and the 4th
Shock electric machine 7, or first start third shock electric machine 5 and the 4th shock electric machine 7, restart the first shock electric machine 2 and the second exciting
Motor 4.The impact of asynchronous generation when between the first shock electric machine 2 and the second shock electric machine 4 due to starting is by the first torsion
The impact of asynchronous generation when between the absorption of spring 12, third shock electric machine 5 and the 4th shock electric machine 7 due to starting is by second
Torsionspring 15 absorbs, with the operating of motor, impact energy that the first torsionspring 12 and the second torsionspring 15 absorb by
It gradually discharges, the first shock electric machine 2 and the second shock electric machine 4, third shock electric machine 5 and the 4th shock electric machine 7 are respectively first
Gradually realize that zero phase is synchronous under torsionspring 12 and the coupling of the second torsionspring 15.
First shock electric machine 2, the second shock electric machine 4, third shock electric machine 5, the 4th shock electric machine 7 use identical model
With identical eccentric mass-radius product, resultant force arrow and the third shock electric machine 5 of 4 exciting force of the first shock electric machine 2 and the second shock electric machine
The track of the total force vector synthesized with the exciting force vector of the 4th shock electric machine 7 is straight line, to realize the linear motion of vibrating screen.
After vibrating screen steady running, can by the first shock electric machine 2 or the second shock electric machine 4 power-off, third shock electric machine 5 or
4th shock electric machine 7 powers off, and the shock electric machine energization in the first shock electric machine 2 and the second shock electric machine 4, third is kept to swash
The shock electric machine of motor 5 and the 4th shock electric machine 7 of shaking is powered.Overcome required for motor when due to vibrating screen steady running
The moment of resistance is mainly frictional resistance moment, and a shock electric machine is powered and third in the first shock electric machine 2 and the second shock electric machine 4
7 one shock electric machines of shock electric machine 5 and the 4th shock electric machine are powered, and vibrating screen still can realize stable linear motion, to
Realize the big exciting force of vibrating screen and energy saving.
Claims (5)
1. four short shock electric machine linear vibrating screens of torsionspring coupling, by feed hopper (1), the first shock electric machine (2), shield
(3), the second shock electric machine (4), third shock electric machine (5), motor cabinet (6), the 4th shock electric machine (7), screen box (8), vibration isolation bullet
Spring (9), pedestal (10), the second coupling eccentric block (11), the first torsionspring (12), the first coupling eccentric block (13), the 4th coupling
It closes eccentric block (14), the second torsionspring (15), third coupling eccentric block (16) to form, characterized in that motor cabinet is installed on (6)
It forms an angle between the compass screen surface of the plane and screen box (8) of motor；First shock electric machine (2) and the second shock electric machine (4) axis
It overlaps ground to be mounted on motor cabinet (6), third shock electric machine (5) and the 4th shock electric machine (7) axis overlap ground and be mounted on motor
On seat (6), and it is arranged symmetrically along the centroid position of screen box (8) width direction；First coupling eccentric block (13) is mounted on first and swashs
It shakes on motor (2) axis, the second coupling eccentric block (11) is mounted on the second shock electric machine (4) axis, and third couples eccentric block (16)
On third shock electric machine (5) axis, the 4th coupling eccentric block (14) is mounted on the 4th shock electric machine (7) axis；First coupling
Eccentric block (13) is closed connect by the first torsionspring (12) with the second coupling eccentric block (11), third coupling eccentric block (16) and
4th coupling eccentric block (14) is connected by the second torsionspring (15)；Third shock electric machine (5) and the 4th shock electric machine (7)
Axis is parallel with the axis of the first shock electric machine (2) and the second shock electric machine (4)；After vibrating screen steady running, first can be swashed
Shake motor (2) or the second shock electric machine (4) power-off, third shock electric machine (5) or the 4th shock electric machine (7) power-off, keep first
A shock electric machine in shock electric machine (2) and the second shock electric machine (4) is powered, third shock electric machine (5) and the 4th exciting are electric
One shock electric machine of machine (7) is powered.
2. four short shock electric machine linear vibrating screens of torsionspring coupling as described in claim 1, characterized in that the first exciting
Motor (2) and the second shock electric machine (4) start simultaneously in the same direction, and third shock electric machine (5) and the 4th shock electric machine (7) are in the same direction simultaneously
Start, direction of rotation and the first shock electric machine (2) and the second exciting electricity of third shock electric machine (5) and the 4th shock electric machine (7)
The direction of rotation of machine (4) is opposite.
3. four short shock electric machine linear vibrating screens of torsionspring coupling as described in claim 1, feature are being that first swashs
Shake motor (2), the second shock electric machine (4), third shock electric machine (5) and the 4th shock electric machine (7) can start simultaneously, also can be first
Start the first shock electric machine (2) and the second shock electric machine (4), restart third shock electric machine (5) and the 4th shock electric machine (7),
Or first start third shock electric machine (5) and the 4th shock electric machine (7), restart the first shock electric machine (2) and the second exciting electricity
Machine (4).
4. four short shock electric machine linear vibrating screens of torsionspring coupling as described in claim 1, feature are being that first turns round
Turn spring (12) and absorbs rushing due to asynchronous generation when starting between the first shock electric machine (2) and the second shock electric machine (4)
It hits, it is asynchronous when the second torsionspring (15) absorbs between third shock electric machine (5) and the 4th shock electric machine (7) due to starting
The impact of generation, with the operating of motor, impact energy that the first torsionspring (12) and the second torsionspring (15) absorb by
It gradually discharges, the first shock electric machine (2) and the second shock electric machine (4), third shock electric machine (5) and the 4th shock electric machine (7) are respectively
Gradually realize that zero phase is synchronous under the first torsionspring (12) and the coupling of the second torsionspring (15).
5. four short shock electric machine linear vibrating screens of torsionspring coupling as described in claim 1, feature are being that first swashs
Motor (2), the second shock electric machine (4), third shock electric machine (5), the 4th shock electric machine (7) shake using identical model and identical
Eccentric mass-radius product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611087129.6A CN106423848B (en) | 2016-12-01 | 2016-12-01 | Four short shock electric machine linear vibrating screens of torsionspring coupling |
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| CN201611087129.6A CN106423848B (en) | 2016-12-01 | 2016-12-01 | Four short shock electric machine linear vibrating screens of torsionspring coupling |
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| CN108080261A (en) * | 2018-01-17 | 2018-05-29 | 西南石油大学 | Three shock electric machine elliptically vibrating screens of synchronous belt coupling |
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