CN209076188U - A kind of double-deck linear vibrating screen of four motors Elastic Coupling - Google Patents
A kind of double-deck linear vibrating screen of four motors Elastic Coupling Download PDFInfo
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- CN209076188U CN209076188U CN201821366612.2U CN201821366612U CN209076188U CN 209076188 U CN209076188 U CN 209076188U CN 201821366612 U CN201821366612 U CN 201821366612U CN 209076188 U CN209076188 U CN 209076188U
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Abstract
The utility model belongs to drilling fluid vibrating sieve technical field, and in particular to a kind of double-deck linear vibrating screen of four motor Elastic Couplings.For in the prior art, the shock electric machine power of drilling fluid vibrating sieve crosses conference waste of energy and the too small problem that will lead to vibrating screen screening effect difference of power, the technical solution of the utility model is: including screen box, sieve is provided in screen box, motor cabinet is provided at the top of the screen box, identical first shock electric machine of rotation direction and the second shock electric machine are coaxially arranged on motor cabinet, the first shock electric machine and the second shock electric machine are connected by the first torsionspring；Rotation direction the third shock electric machine and fourth shock electric machine opposite with the first shock electric machine, third shock electric machine and the coaxial arrangement of the 4th shock electric machine are additionally provided on motor cabinet, third shock electric machine and the 4th shock electric machine are connected by the second torsionspring.The utility model is suitable for the separation of drill-in fluid, riverway sludge etc..
Description
Technical field
The utility model belongs to drilling fluid vibrating sieve technical field, and in particular to a kind of bilayer of four motor Elastic Couplings is straight
Linearly coupled sieve.
Background technique
Drilling fluid vibrating sieve is to be used for drilling mud purification system first order solid control equipment, while drilling fluid vibrating sieve can also
It is used in the underflow used by oscillating screen of mud cleaner.Drilling fluid vibrating sieve is high with oscillation intensity, sieving area is big, screen box angle
The advantages that adjustable, compact-sized, performance is brilliant.Drilling fluid vibrating sieve is widely used in oil drilling at present, and no-dig technique level is fixed
To passing through, CBM Drilling, shale gas drilling well, the mud purifications process field such as riverway sludge environmental protection.
For large-scale vibrating screen, in startup stage, exciting force provided by shock electric machine must overcome the gravity of screen box
Power is provided for screen box with frictional force, vibrates it.And under the motion stabilization of screen box after, shock electric machine only needs gram
Taking frictional force can maintain to vibrate.Thus, in startup stage and the exciting force for maintaining shock electric machine required for motion stage to provide
It is different.To meet the needs of quick start, then the exciting force for maintaining motion stage shock electric machine to provide crosses conference waste
The energy；Conversely, the exciting force for starting screen box is insufficient if shock electric machine only provides the exciting force for meeting and maintaining screen box movement,
Cause vibrating screen screening effect poor.
Utility model content
For in the prior art, the shock electric machine power of drilling fluid vibrating sieve crosses conference waste of energy and power is too small to lead
The problem of vibrating screen screening effect difference is caused, the utility model provides a kind of double-deck linear vibrating screen of four motor Elastic Couplings,
Purpose is: taking into account and provides biggish exciting force in the startup stage of vibrating screen and motion stage is being maintained to provide lesser exciting
Power, so that drill-in fluid vibrating screen has the advantages that energy conservation simultaneously and guarantees screening effect.
The technical solution adopted in the utility model is as follows:
A kind of double-deck linear vibrating screen of four motors Elastic Coupling, including screen box are provided with sieve, the screen box in screen box
Top is provided with motor cabinet, and identical first shock electric machine of rotation direction and the second shock electric machine are coaxially arranged on motor cabinet,
First shock electric machine and the second shock electric machine are connected by the first torsionspring；Rotation direction and first are additionally provided on motor cabinet
Shock electric machine opposite third shock electric machine and the 4th shock electric machine, third shock electric machine and the coaxial arrangement of the 4th shock electric machine,
Third shock electric machine and the 4th shock electric machine are connected by the second torsionspring.
After the technical solution, the first shock electric machine and the second shock electric machine start simultaneously in the same direction, third shock electric machine
Start simultaneously in the same direction with the 4th shock electric machine, the direction of rotation of third shock electric machine and the 4th shock electric machine and the first shock electric machine
It is opposite with the direction of rotation of the second shock electric machine.Four shock electric machines rotate simultaneously, generate larger exciting force, to overcome gravity
The starting of vibrating screen is realized with frictional force.After the motion stabilization of vibrating screen gets off, the first shock electric machine and second can be closed and swashed
Shake motor in one and third shock electric machine and the 4th shock electric machine in one.At this point, need to only overcome frictional force, because
And the vibration of vibrating screen can be only maintained with two shock electric machines, achieve the effect that energy saving.In the technical program, first swashs
Vibration motor and the second shock electric machine could should provide maximum exciting force with rotating, but due between them when starting
It is asynchronous, cause their rotation phase that can generate certain difference, the first torsionspring is set thus.First shock electric machine and
The impact of asynchronous generation when between the second shock electric machine due to starting is absorbed by the first torsionspring, with the fortune of motor
Turn, the impact energy that the first torsionspring and the second torsionspring absorb gradually discharges, the first shock electric machine and the second exciting electricity
Machine gradually realizes that zero phase is synchronous under the coupling of the first torsionspring.
Preferably, the shaft setting of the first shock electric machine, the second shock electric machine, third shock electric machine and the 4th shock electric machine
Direction is parallel with the width direction of screen box.The set-up mode makes the first shock electric machine, the second shock electric machine, third exciting electricity
The setting direction of the side in the direction and screen box of the total force vector for the exciting force that machine and the 4th shock electric machine provide is parallel to each other, thus
So that the movement in screen box vibration processes is more stable, enhancing screening separating effect.
Preferably, the first coupling eccentric block is provided in the shaft of the first shock electric machine, in the shaft of the second shock electric machine
It is provided with the second coupling eccentric block, third coupling eccentric block is provided in the shaft of third shock electric machine, the 4th shock electric machine
The 4th coupling eccentric block is provided in shaft, the setting direction that the first coupling eccentric block and second couple eccentric block is identical,
The setting direction of the third coupling eccentric block and the 4th coupling eccentric block is identical.The preferred embodiment make the first shock electric machine and
The resultant force of the exciting force of the resultant force and third shock electric machine and the 4th shock electric machine of second shock electric machine exciting force is maximum.
It is further preferred that the first coupling eccentric block, the second coupling eccentric block, third coupling eccentric block, the 4th coupling are partially
Heart block eccentric mass-radius product having the same.Above-mentioned preferred embodiment makes the conjunction of the first shock electric machine and the second shock electric machine exciting force
The track of total force vector of the resultant force arrow synthesis of the exciting force of force vector and third shock electric machine and the 4th shock electric machine is straight line, thus
Realize the linear motion of sieve in vibration processes.
Preferably, screen slope is arranged, and the setting direction of the motor seating face and the setting direction of sieve are at a clamp
Angle.The exciting of the resultant force of first shock electric machine and the second shock electric machine exciting force arrow and third shock electric machine and the 4th shock electric machine
The direction of total force vector of the resultant force arrow synthesis of power and the setting direction of motor seating face are mutually perpendicular to, thus in this preferred embodiment,
The direction of vibration of sieve and the setting direction of sieve form an angle.
Preferably, material feeding box is provided on screen box, the sieve includes upper screen and lower screen, the material feeding box point
It is not connected to the space in the space on upper screen top and lower screen top.After the preferred embodiment, upper screen is under
Layer sieve sieves drilling fluid simultaneously, and screening efficiency is higher.
It is further preferred that being provided with slurry tank below lower screen, it is provided with back between upper screen and lower screen
Flowing plate, the back flow plate are obliquely installed, and the bottom end of back flow plate is connected to slurry tank.The lesser solid phase particles of the size separated
Slurry tank is flowed into drilling fluid to be recycled.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. four shock electric machines rotate simultaneously, larger exciting force is generated, so that gravity and frictional force be overcome to realize vibrating screen
Starting.After the motion stabilization of vibrating screen gets off, one in the first shock electric machine and the second shock electric machine can be closed, and
One in third shock electric machine and the 4th shock electric machine.At this point, need to only overcome frictional force, thus only it is with two shock electric machines
The vibration that can maintain vibrating screen, achievees the effect that energy saving.The program taken into account vibrating screen startup stage provide it is larger
Exciting force and maintaining motion stage to provide lesser exciting force so that drill-in fluid vibrating screen has energy conservation simultaneously and protects
The advantages of demonstrate,proving vibrating screen screening effect.
2. the exciting force that the first shock electric machine, the second shock electric machine, third shock electric machine and the 4th shock electric machine provide
The setting direction of the side in the direction and screen box of total force vector is parallel to each other, so that the movement in screen box vibration processes is more steady
It is fixed, enhancing screening separating effect.
3. coupling eccentric block set-up mode make the first shock electric machine and the second shock electric machine exciting force resultant force and
The resultant force of the exciting force of third shock electric machine and the 4th shock electric machine is maximum.
4. the resultant force of the first shock electric machine and the second shock electric machine exciting force arrow and third shock electric machine and the 4th exciting electricity
The track of total force vector of the resultant force arrow synthesis of the exciting force of machine is straight line, to realize the linear motion of sieve in vibration processes.
5. upper screen and lower screen sieve drilling fluid simultaneously, increase sieving area, screening efficiency is higher.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the first shock electric machine in the utility model, the second shock electric machine, third shock electric machine and the 4th shock electric machine
Attachment structure schematic diagram；
Fig. 3 is structural schematic diagram of the utility model at the middle and upper levels between sieve, back flow plate and lower screen.
Wherein: 1- material feeding box, 2- shield, 3- motor cabinet, the first shock electric machine of 4-, the second shock electric machine of 5-, 6- third swash
Shaking, motor, the 4th shock electric machine of 7-, 8- first couple eccentric block, 9- second couples eccentric block, 10- third couples eccentric block, 11-
4th coupling eccentric block, the first torsionspring of 12-, the second torsionspring of 13-, 14- upper screen, 15- lower screen, 16- sieve
Case, 17- isolation spring, 18- pedestal, 19- back flow plate.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1 to Fig. 3 to the utility model.
Embodiment 1
A kind of double-deck linear vibrating screen of four motors Elastic Coupling, including pedestal 18 and screen box 16, pedestal 18 and screen box 16
It is connected by isolation spring 17, is provided with sieve in screen box 16.Motor cabinet 3 is provided at the top of the screen box 16, motor cabinet 3 is installed
At with angle between the surface of motor and the compass screen surface of sieve.Make to be coaxially arranged with rotation direction identical first on motor cabinet 3
Shock electric machine 4 and the second shock electric machine 5；The rotation direction third opposite with the first shock electric machine 4 is additionally provided on motor cabinet 3 to swash
Shake motor 6 and the 4th shock electric machine 7, third shock electric machine 6 and the coaxial arrangement of the 4th shock electric machine 7.First shock electric machine 4,
The shaft setting direction of two shock electric machines 5, third shock electric machine 6 and the 4th shock electric machine 7 is flat with the width direction of screen box 16
Row.And the first shock electric machine 4, the second shock electric machine 5, the centroid position of third shock electric machine 6 and the 4th shock electric machine 7 are symmetrical
Distribution.
It is provided with the first coupling eccentric block 8 in the shaft of first shock electric machine 4, is arranged in the shaft of the second shock electric machine 5
There is the second coupling eccentric block 9, third coupling eccentric block 10 is provided in the shaft of third shock electric machine 6, the 4th shock electric machine 7
The 4th coupling eccentric block 11, the setting direction phase of the first coupling eccentric block 8 and the second coupling eccentric block 9 are provided in shaft
Together, the third coupling eccentric block 10 is identical with the setting direction of the 4th coupling eccentric block 11.The first coupling eccentric block 8,
Second coupling eccentric block 9, third coupling eccentric block the 10, the 4th couple the eccentric mass-radius product having the same of eccentric block 11.First coupling
It closes eccentric block 8 and the second coupling eccentric block 9 is connected by the first torsionspring 12, third couples eccentric block 10 and the 4th coupling is inclined
Heart block 11 is connected by the second torsionspring 13.
When vibrating screen is started to work, the first shock electric machine 4 and the second shock electric machine 5 start simultaneously in the same direction, third exciting
Motor 6 and the 4th shock electric machine 7 start simultaneously in the same direction, the direction of rotation and first of third shock electric machine 6 and the 4th shock electric machine 7
The direction of rotation of shock electric machine 4 and the second shock electric machine 5 is opposite.First shock electric machine 4, the second shock electric machine 5, third exciting electricity
Machine 6 and the 4th shock electric machine 7 can start simultaneously, can also first start the first shock electric machine 4 and the second shock electric machine 5, restart
Third shock electric machine 6 and the 4th shock electric machine 7, or first start third shock electric machine 6 and the 4th shock electric machine 7, restart first
Shock electric machine 4 and the second shock electric machine 5.Asynchronous production when between the first shock electric machine 4 and the second shock electric machine 5 due to starting
Raw impact absorbed by the first torsionspring 12, between third shock electric machine 6 and the 4th shock electric machine 7 due to starting when difference
The impact that step generates is absorbed by the second torsionspring 13, with the operating of motor, the first torsionspring 12 and the second torsionspring
13 impact energys absorbed gradually discharge, the first shock electric machine 4 and the second shock electric machine 5, third shock electric machine 6 and the 4th exciting
Motor 7 is gradually realizing that zero phase is synchronous under the first torsionspring 12 and the coupling of the second torsionspring 13 respectively.
First shock electric machine 4, the second shock electric machine 5, third shock electric machine 6, the 4th shock electric machine 7 use identical type
Number, the first coupling eccentric block 8, second couples eccentric block 9, third coupling eccentric block the 10, the 4th couples eccentric block 11 using identical
Eccentric mass-radius product, 5 exciting force of the first shock electric machine 4 and the second shock electric machine resultant force arrow with third shock electric machine 6 and the 4th
The track of total force vector of the exciting force vector synthesis of shock electric machine 7 is straight line, to realize the linear motion of vibrating screen.
After vibrating screen steady running, one in the first shock electric machine 4 or the second shock electric machine 5 can be powered off, and will
A power-off in third shock electric machine 6 or the 4th shock electric machine 7, keeps in the first shock electric machine 4 and the second shock electric machine 5
One shock electric machine is powered, a shock electric machine in third shock electric machine 6 and the 4th shock electric machine 7 is powered.Due to vibrating screen
The moment of resistance overcome required for motor when steady running is mainly frictional resistance moment, the first shock electric machine 4 and the second shock electric machine 5
In shock electric machine be powered and third shock electric machine 6 and the 4th shock electric machine 7 in a shock electric machine be powered, vibrating screen is still
It is so able to achieve stable linear motion, to realize big exciting force and the energy conservation of vibrating screen.
Embodiment 2
On the basis of embodiment 1, material feeding box 1 is provided on screen box 16, sieve uses the bilayer of upper and lower level parallel arrangement
Structure, sieve include upper screen 14 and lower screen 15, and upper screen 14 and lower screen 15 are consistent identical using aperture
Mesh number.The material feeding box 1 is connected to the space on 15 top of the space on 14 top of upper screen and lower screen respectively.In addition, being
It is easily installed and dismantles, structure as one preferred, upper screen 14 and lower screen 15 edge and the installation of screen box 16 connect
The position connect is provided with inflatable airbag.Upper screen 14 and lower screen 15 are fixed on screen box after inflatable airbag inflation
In 16, after inflatable airbag is deflated matching relationship between upper screen 14 and lower screen 15 and screen box 16 more loosens thus
Convenient for removing.Preferably, upper screen 14 and lower screen 15 adjust distributor by charging and connect with material feeding box 1, feed
Adjusting distributor be a kind of existing liquid dispensing apparatus, effect be to guarantee that drilling fluid uniformly enters 14 He of upper screen
Lower screen 15.
It is provided with slurry tank below the lower screen 15, is provided with back flow plate between upper screen 14 and lower screen 15
19, the back flow plate 19 is obliquely installed, in the present embodiment, the inclined direction phase of the inclined direction and upper screen 14 of back flow plate 19
Instead, thus the bottom end of back flow plate 19 is located at the position of 15 rear end of upper screen 14 and lower screen.The bottom end of back flow plate 19 passes through
One channel is connected to slurry tank, which bypasses the rear end of lower screen 15, to avoid flowing into drilling fluid by material feeding box 1
It is impacted on lower screen 15.Drilling fluid on upper screen 14 and lower screen 15 independently be separated by solid-liquid separation,
Drilling fluid is after the separation of solid and liquid of upper screen 14, and vibrating screen is discharged in larger-size solid phase particles from compass screen surface, and size is smaller
Solid phase particles and drilling fluid penetrate upper screen 14 together, be pooled to vibrating screen rear end (i.e. back flow plate 19 into back flow plate 19
Bottom end) flow into slurry tank.Drilling fluid after the separation of solid and liquid of lower screen 15, arrange from compass screen surface by larger-size solid phase particles
Vibrating screen out, the lesser solid phase particles of size and drilling fluid penetrate lower screen 15 together, flow directly into slurry tank.Upper and lower level is simultaneously
The double-layer structure sieve of connection arrangement can effectively improve the processing area of vibrating screen drilling fluid, improve the same time on compass screen surface
The treating capacity of drilling fluid.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (5)
1. a kind of double-deck linear vibrating screen of four motor Elastic Couplings, including screen box (16), screen box are provided with sieve in (16),
It is characterized in that: being provided with motor cabinet (3) at the top of the screen box (16), it is identical to be coaxially arranged with rotation direction on motor cabinet (3)
First shock electric machine (4) and the second shock electric machine (5), the first shock electric machine (4) and the second shock electric machine (5) pass through the first torsion
Spring (12) connection；The rotation direction third shock electric machine opposite with the first shock electric machine (4) is additionally provided on motor cabinet (3)
(6) it is arranged with the 4th shock electric machine (7), third shock electric machine (6) and the 4th shock electric machine (7) with 5 axis, third shock electric machine
(6) it is connected with the 4th shock electric machine (7) by the second torsionspring (13)；Material feeding box (1), institute are provided on the screen box (16)
Stating sieve includes upper screen (14) and lower screen (15), the material feeding box (1) sky with upper screen (14) top respectively
Between be connected to the space on lower screen (15) top；Slurry tank, upper screen (14) are provided with below the lower screen (15)
Be provided between lower screen (15) back flow plate (19), the back flow plate (19) is obliquely installed, the bottom end of back flow plate (19) with
Slurry tank connection.
2. a kind of double-deck linear vibrating screen of four motors Elastic Coupling described in accordance with the claim 1, it is characterised in that: described
The shaft setting direction of one shock electric machine (4), the second shock electric machine (5), third shock electric machine (6) and the 4th shock electric machine (7)
It is parallel with the width direction of screen box (16).
3. a kind of double-deck linear vibrating screen of four motors Elastic Coupling described in accordance with the claim 1, it is characterised in that: described
It is provided with the first coupling eccentric block (8) in the shaft of one shock electric machine (4), is provided in the shaft of the second shock electric machine (5)
Two couple eccentric block (9), and third coupling eccentric block (10), the 4th shock electric machine are provided in the shaft of third shock electric machine (6)
(7) the 4th coupling eccentric block (11), first coupling eccentric block (8) and the second coupling eccentric block (9) are provided in shaft
Setting direction it is identical, third coupling eccentric block (10) and the 4th to couple the setting direction of eccentric block (11) identical.
4. a kind of double-deck linear vibrating screen of four motors Elastic Coupling described in accordance with the claim 3, it is characterised in that: described
One coupling eccentric block (8), the second coupling eccentric block (9), third coupling eccentric block (10), the 4th coupling eccentric block (11) have phase
Same eccentric mass-radius product.
5. a kind of double-deck linear vibrating screen of four motors Elastic Coupling described in accordance with the claim 1, it is characterised in that: the sieve
Net is obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366612.2U CN209076188U (en) | 2018-08-23 | 2018-08-23 | A kind of double-deck linear vibrating screen of four motors Elastic Coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366612.2U CN209076188U (en) | 2018-08-23 | 2018-08-23 | A kind of double-deck linear vibrating screen of four motors Elastic Coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209076188U true CN209076188U (en) | 2019-07-09 |
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ID=67115151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821366612.2U Active CN209076188U (en) | 2018-08-23 | 2018-08-23 | A kind of double-deck linear vibrating screen of four motors Elastic Coupling |
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| CN (1) | CN209076188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905435A (en) * | 2020-08-07 | 2020-11-10 | 西华大学 | Multi-modularization combined drilling fluid recovery vibrating screen |
| CN114570640A (en) * | 2022-03-08 | 2022-06-03 | 西南石油大学 | Torsional spring coupled double-shaft six-excitation motor linear or elliptical vibrating screen |
-
2018
- 2018-08-23 CN CN201821366612.2U patent/CN209076188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905435A (en) * | 2020-08-07 | 2020-11-10 | 西华大学 | Multi-modularization combined drilling fluid recovery vibrating screen |
| CN114570640A (en) * | 2022-03-08 | 2022-06-03 | 西南石油大学 | Torsional spring coupled double-shaft six-excitation motor linear or elliptical vibrating screen |
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