CN109759321A - A kind of Sand screen of automatic turning separation stone - Google Patents
A kind of Sand screen of automatic turning separation stone Download PDFInfo
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- CN109759321A CN109759321A CN201910253900.XA CN201910253900A CN109759321A CN 109759321 A CN109759321 A CN 109759321A CN 201910253900 A CN201910253900 A CN 201910253900A CN 109759321 A CN109759321 A CN 109759321A
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- turntable
- sieve plate
- adjustment disk
- electromagnet
- disk
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Abstract
A kind of automatic turning separates the Sand screen of stone, can be very good to realize and improves sieve husky quality and efficiency, while the separation for the realization stone that fine can be obtained；Its technical solution solved includes shell, and enclosure interior is equipped with sieve plate, and sieve plate one end is connected with turntable, and turntable side is equipped with drive disk, the first torsional spring is connected between turntable and shell；The rear side of turntable is equipped with adjustment disk, the second torsional spring is connected on rear side of adjustment disk, the outer rim of adjustment disk is equipped with ratchet, the rear side of drive disk is equipped with driving wheel, the outer edge surface of driving wheel is equipped with bayonet lock, the right side of adjustment disk is equipped with support plate, support plate, which is equipped with one, can control flexible clamp, adjustment disk is equipped with wedge block towards the end face top of turntable, turntable is equipped with a telescopic pin that can be elastic towards the end face top and the bottom of adjustment disk, telescopic pin can be contacted with wedge block after adjustment disk rotates 180 °, and turntable is only unidirectional rotatable after telescopic pin is contacted with wedge block；Present inventive concept is novel, clever structure.
Description
Technical field
The present invention relates to sand screening technique field, especially a kind of Sand screen of automatic turning separation stone.
Background technique
In building construction process, it is often necessary to use sand, sand is screened before use, and present sieve is husky
Device is mostly that sieve plate is in tilted layout, though can directly separate stone in this way, is screening during sieving husky
In the process fine sand also can some be separated, need to carry out postsearch screening, there are also some sieve plates be it is horizontally disposed, can
Quality is screened with effective raising, but the accumulation of ratchel will affect screening efficiency, when carrying out the separation of ratchel now, greatly
It is all that the shutdown used is blown, frequent shut down will affect working efficiency, but not clear up the damage for being likely to result in sieve.
Therefore designing one kind can guarantee that the device of screening quality and screening efficiency is necessary simultaneously.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of automatic turning separation stones
Sand screen can be very good to realize and improve sieve husky quality and efficiency, while the separation for the realization stone that fine can be obtained, behaviour
Make simply, it is easy to use.
Its technical solution solved includes shell, and wall is arcuate structure at left and right sides of the top of shell, and enclosure interior is equipped with
Rotatable sieve plate is connected with pin shaft on sieve plate, and sieve plate can be rotated around pin shaft, the pin shaft on sieve plate through shell rear wall simultaneously
It is placed in the outside of shell, rear side one end of sieve plate is placed in the outside of shell through the rear wall of shell, and sieve plate is placed in outside shell
The one end in portion is connected with turntable, and the side of turntable is equipped with rotatable drive disk, and the rotation of drive disk can drive turntable intermittent to turn
It is dynamic, the first torsional spring is connected between turntable and shell, sieve plate can rotate backward under the action of the first torsional spring, form sieve plate and driving
The structure of reciprocally swinging under the action of Moving plate and the first torsional spring；
The rear side of the turntable is equipped with the adjustment disk being placed in parallel with turntable, connects between rear side one end of adjustment disk and basic part
It is connected to the second torsional spring, the outer rim of adjustment disk is equipped with the ratchet of multiple circumference uniform distributions, and the rear side of drive disk is equipped in parallel put
The driving wheel set, driving wheel and drive disk rotate synchronously, and the outer edge surface of driving wheel is equipped with multiple circumference uniform distributions and can be along actively
The rotation of the bayonet lock of external extension in wheel radial direction, driving wheel can drive the unidirectional of adjustment disk to turn by the cooperation of bayonet lock and ratchet
Dynamic, the right side of adjustment disk is equipped with support plate, and support plate, which is equipped with one, can control flexible clamp, and clamp can when stretching out support plate
Realize the restriction one-directionally rotated to adjustment disk；
The adjustment disk is equipped with multiple uniformly distributed wedge blocks towards the end face top of turntable, and turntable is towards on the end face of adjustment disk
Lower part be equipped with a telescopic pin that can be elastic, adjustment disk rotate 180 ° after telescopic pin can be contacted with wedge block, telescopic pin with
Turntable is only unidirectional rotatable after wedge block contact.
Present inventive concept is novel, clever structure, can be very good to realize and improves sieve husky quality and efficiency, while can be very
The separation for the realization stone got well, it is easy to operate, it is easy to use.
Detailed description of the invention
Fig. 1 is main view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is adjustment disk of the present invention and clamp position schematic front view.
Fig. 4 is partial enlarged view in Fig. 2 of the present invention.
Fig. 5 is that turntable upper rack posts of the present invention and drive disk upper push-rod cooperate schematic diagram.
Fig. 6 is the main view sectional view of driving wheel of the present invention.
Fig. 7 is partial enlarged view in Fig. 1 of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
By Fig. 1-7 it is found that the present invention includes shell 1, wall is arcuate structure at left and right sides of the top of shell 1, inside shell 1
Equipped with rotatable sieve plate 2, pin shaft is connected on sieve plate 2, sieve plate can be rotated around pin shaft, and the pin shaft on sieve plate 2 is through shell 1
Rear wall is placed in the outside of shell 1, and one end that sieve plate 2 is placed in outside shell 1 is connected with turntable 3, and the side of turntable 3 is equipped with can
The drive disk 4 of rotation, the rotation of drive disk 4 can drive 3 intermittent rotary of turntable, the first torsional spring are connected between turntable 3 and shell 1
5, sieve plate 2 can rotate backward under the action of the first torsional spring 5, and it is past under the action of drive disk 4 and the first torsional spring 5 to form sieve plate 2
The dynamic structure of physical pendulum；
The rear side of the turntable 3 is equipped with the adjustment disk 6 that is placed in parallel with turntable 3, rear side one end of adjustment disk 6 and basic part it
Between be connected with the second torsional spring 7, the outer rim of adjustment disk 6 is equipped with the ratchet 8 of multiple circumference uniform distributions, the rear side of drive disk 4 be equipped with
Its driving wheel 9 being placed in parallel, driving wheel 9 and drive disk 4 rotate synchronously, and it is equal that the outer edge surface of driving wheel 9 is equipped with multiple circumference
Cloth and can along 9 radial direction of driving wheel external extension bayonet lock 10, the rotation of driving wheel 9 can matching by bayonet lock 10 and ratchet 8
Crossed belt moves the one-directional rotation of adjustment disk 6, and the right side of adjustment disk 6 is equipped with support plate 11, and support plate 11, which is equipped with one and can control, stretches
The clamp 12 of contracting, clamp 12 can realize the restriction one-directionally rotated to adjustment disk 6 when stretching out support plate 11；
The adjustment disk 6 is equipped with multiple uniformly distributed wedge blocks 13 towards the end face top of turntable 3, and turntable 3 is towards adjustment disk 6
End face top and the bottom are equipped with a telescopic pin 14 that can be elastic, and telescopic pin 14 can be with wedge block 13 after adjustment disk 6 rotates 180 °
Contact, after telescopic pin 14 is contacted with wedge block 13 turntable 3 it is unidirectional rotatable.
The curved wall lower part of the shell 1 offers discharge port 15, and the lower end of sieve plate 2 is equipped with and arc shaped inside wall phase
The curved baffle 16 of fitting, for sieve plate 2 under the action of drive disk 4 when reciprocally swinging, curved baffle 16 can block discharge port 15, sieve
When plate 2 one-directionally rotates under the action of wedge block 13 and telescopic pin 14, sieve plate 2 be can rotate to the upper surface of sieve plate 2 and discharge port
15 is opposite, and curved baffle 16 can not block discharge port 15 at this time.
In order to realize that the rotation of drive disk 4 can drive the intermittent rotary of turntable 3, the outer circle of the drive disk 4 is equipped with
The outer circle of the push rod 17 of multiple circumference uniform distributions, turntable 3 is equipped with multiple uniformly distributed struts 18, and push rod 17 can be contacted with strut 18,
The rotation of drive disk 4 can push strut 18 to drive 3 intermittent rotary of turntable through push rod 17.
In order to realize the radially inner and outer flexible of bayonet lock 10,9 center of driving wheel is equipped with electromagnet 19,10 direction of bayonet lock
One end of electromagnet 19 is equipped with magnetic patch 20, and positive be powered of electromagnet 19 can be such that bayonet lock 10 stretches out actively under the action of magnetic force mutual exclusion
The outer edge surface of wheel 9, electromagnet 19, which is reversely powered, so that bayonet lock 10 is retracted inside driving wheel 9 under the action of magnetic force attracts.
In order to realize the flexible of clamp 12 and telescopic pin 14, the right end of the clamp 12 is connected with magnetic patch through spring
20, the right end of magnetic patch 20 is equipped with electromagnet 19, and positive be powered of electromagnet 19 can be such that clamp 12 stretches out under the action of magnetic force mutual exclusion
Support plate 11 is contacted with ratchet 8, and electromagnet 19, which is reversely powered, so that bayonet lock 10 is retracted support plate 11 under the action of magnetic force attracts
Front side one end of inside, telescopic pin 14 is connected with magnetic patch 20 through spring, and the front side end of magnetic patch 20 is equipped with electromagnet 19, electromagnet 19
Forward direction is powered can be such that the stretching turntable 3 of telescopic pin 14 contacts with wedge block 13 under the action of magnetic force mutual exclusion, and electromagnet 19 is reversely logical
Electricity can be such that telescopic pin 14 retracts inside turntable 3 under the action of magnetic force attracts.
In order to preferably discharge, the arc shaped inside wall is equipped with the groove 21 for being placed in 15 lower section of discharge port, recessed
Be equipped in slot 21 can arcuately in inner sidewall external extension fixture block 22, when 2 reciprocally swinging of sieve plate, fixture block 22 is in curved baffle 16
Under the action of be contracted in groove 21, when sieve plate 2 turns to that end face is opposite with discharge port 15 thereon, fixture block 22 will pop up card at this time
In the upper surface of sieve plate 2.
In order to realize the control to bayonet lock 10 and pin hole, 22 position of fixture block is provided with sensor 23, sieve plate 2 it is upper
End face is equipped with scraper plate 24, and when original state, positive be powered of electromagnet 19 makes bayonet lock 10 and ratchet 8 stretch out drive disk 4 and turntable 3
Outer edge surface, scraper plate 24 be located at 22 relative direction side of fixture block, fixture block 22 pop up after can control scraper plate 24 in the upper end of sieve plate 2
Face moves back and forth once, and fixture block 22 can be pushed down on when scraper plate 24 is moved to 22 side of fixture block, fixture block 22 is made to be collapsible into groove 21
Interior, fixture block 22 is collapsible into meeting trigger sensor 23 in groove 21, and sensor 23, which issues signal, can make the reversely energization one of electromagnet 19
Secondary, bayonet lock 10 can retract inside driving wheel 9 at this time, and clamp 12 retracts inside support plate 11, and telescopic pin 14 retracts inside turntable 3,
Sieve plate 2 can rotate backward recovery to horizontality under the action of the first torsional spring 5 at this time.
The present invention is equipped with feed inlet when specifically used, in the top of shell 1, and drive disk 4 is connected to driving motor, is needing
When carrying out sieving sand, sand is inputted into shell 1 by feed inlet, sand can rest on the top of sieve plate 2, starting driving first
Motor, when original state, bayonet lock 10 stretches out the outer edge surface of driving wheel 9, and clamp 12 stretches out the outside of support plate 11, and telescopic pin 14 is stretched
The end face of turntable 3 out, wedge block 13 is located at uppermost position at this time, and the rotation of driving motor will drive drive disk 4 and driving wheel 9
Rotation, the rotation of drive disk 4 can push strut 18 to drive the rotation of turntable 3 by push rod 17, the rotation of turntable 3 and then drive
The rotation of sieve plate 2 is connected with the first torsional spring 5 since drive disk 4 can intermittently drive the rotation of turntable 3 between turntable 3 and shell 1,
Sieve plate 2 can push the rotation interval of turntable 3 that turntable 3 is driven to rotate backward in drive disk 4, and then by drive disk 4 and first
The reciprocally swinging of sieve plate 2 is realized in the cooperation of torsional spring 5；It can be very good to realize the vibrating effect to 2 top sand of sieve plate at this time, it can
Effectively to improve the screening efficiency of sand, at this time since the Oscillation Amplitude of sieve plate 2 is smaller, sieve plate 2 is in vibration processes, sieve plate
The curved baffle 16 of 2 lower sections can block discharge port 15 always, be now in the sand-like state of sieve, and the fine sand sifted out can fall into shell 1
Lower part avoids flowing out outside shell 1 by discharge port 15, causes to waste；
After a period of time that works, stone can be remained above sieve plate 2, the accumulation of stone can occupy the surface of sieve plate 2, drop
Low screening efficiency needs to separate on stone at this time；Specific structure is as follows；Driving wheel 9 can pass through bayonet lock during rotation
10 drive adjustment disk 6 to one-directionally rotate, since the presence of clamp 12 can not reset after the one-directional rotation of adjustment disk 6, with driving wheel 9
Rotation, after adjustment disk 6 rotates 180 °, the wedge block 13 on adjustment disk 6 turns to bottom at this time, at this time due to telescopic pin 14
The lowermost position in turntable 3 is designed, telescopic pin 14 is opposite with the position of wedge block 13 at this time, and turntable 3 can be in telescopic pin at this time
14 and wedge block 13 under the action of one-directionally rotated, turntable 3 can not reset under the action of the first torsional spring 5 at this time, at this time
Drive disk 4 can gradually push the rotation of turntable 3, and the angle that turntable 3 turns over can be increasing, until the upper surface of sieve plate 2 rotates
To the position opposite with discharge port 15, at this time since the arc shaped inside wall of shell 1 is equipped with the fixture block being placed in below discharge port 15
22, fixture block 22 will pop up and be stuck in the upper end of sieve plate 2, so that sieve plate 2 is tilted biggish angle, while the pop-up of fixture block 22 can make to scrape
Plate 24 back and forth scrapes once in the upper surface of sieve plate 2, and scraper plate 24 is once moved back and forth by hydraulic telescopic rod driving, in turn
Effectively the 2 remaining stone in top of sieve plate can be discharged from discharge port 15, when scraper plate 24 is moved to 15 side of discharge port, this
When scraper plate 24 can be pressed down against fixture block 22, make fixture block 22 be retracted groove 21 in, fixture block 22 be retracted groove 21 in when can trigger sensing
Device 23, when bayonet lock 10 can retract inside driving wheel 9, clamp 12 retract support plate 11 inside, telescopic pin 14 retract turntable 3 inside,
Sieve plate 2 can rotate backward under the action of the first torsional spring 5 at this time restores to horizontality, while adjustment disk 6 is not due to having clamp
12 and the blocking of bayonet lock 10 can also be resetted under the action of the second torsional spring 7, complete the cleaning work of a stone at this time, and can
Continue to sieve husky operation, whole process can be with circulate operation.
The present invention realizes carrying out sieving husky operation well by devising the mutual cooperation of turntable 3 and adjustment disk 6
When can increase the vibrating effect of sieve plate 2 by the effect of drive disk 4 and the first torsional spring 5, improve and sieve husky efficiency, while can be with
By the one-directional rotation after 3 reciprocally swinging of turntable, the significantly rotation of sieve plate 2 can be pushed, effective point for realizing stone
From discharge, sieve husky quality and efficiency are further improved.
The present invention is by devising the different motion state of turntable 3, reciprocally swinging by most, carries out vibration sand,
And subsequent telescopic pin 14 realizes the one-directional rotation of turntable 3 with the mutual cooperation of wedge block 13, the one-directional rotation of turntable 3 can be final
So that the upper surface of sieve plate 2 is turned to 15 position of discharge port, can be very good the separation for realizing stone, whole process can be connected
The work of continuous circulation.
The present invention can automatically carry out the lock out operation of sieve sand and stone by process control.
Present inventive concept is novel, clever structure, can be very good to realize and improves sieve husky quality and efficiency, while can be very
The separation for the realization stone got well, it is easy to operate, it is easy to use.
Claims (7)
1. a kind of Sand screen of automatic turning separation stone, which is characterized in that including shell (1), the top or so of shell (1)
Two sidewalls are arcuate structure, are equipped with rotatable sieve plate (2) inside shell (1), are connected with pin shaft on sieve plate (2), and sieve plate can be around
Pin shaft rotates, and rear wall of the pin shaft on sieve plate (2) through shell (1) is placed in the outside of shell (1), and sieve plate (2) is placed in shell
The external one end of body (1) is connected with turntable (3), and the side of turntable (3) is equipped with rotatable drive disk (4), and drive disk (4) turns
It is dynamic to drive turntable (3) intermittent rotary, it is connected between turntable (3) and shell (1) the first torsional spring (5), sieve plate (2) can be first
Torsional spring rotates backward under the action of (5), forms sieve plate (2) reciprocally swinging under the action of drive disk (4) and the first torsional spring (5)
Structure；
The rear side of the turntable (3) is equipped with the adjustment disk (6) that is placed in parallel with turntable (3), rear side one end of adjustment disk (6) with
It is connected between pedestal the second torsional spring (7), the outer rim of adjustment disk (6) is equipped with the ratchet (8) of multiple circumference uniform distributions, drive disk
(4) rear side is equipped with the driving wheel (9) of placement in parallel, and driving wheel (9) and drive disk (4) rotate synchronously, driving wheel (9)
Outer edge surface be equipped with multiple circumference uniform distributions and can along driving wheel (9) radial direction external extension bayonet lock (10), driving wheel (9)
Rotation can drive the one-directional rotation of adjustment disk (6) by the cooperation of bayonet lock (10) and ratchet (8), and the right side of adjustment disk (6) is equipped with
Support plate (11), support plate (11) are equipped with one and can control flexible clamp (12), when clamp (12) stretches out support plate (11)
The restriction one-directionally rotated to adjustment disk (6) can be achieved；
The adjustment disk (6) is equipped with multiple uniformly distributed wedge blocks (13), turntable (3) direction towards the end face top of turntable (3)
The end face top and the bottom of adjustment disk (6) are equipped with a telescopic pin (14) that can be elastic, telescopic pin after adjustment disk (6) rotates 180 °
(14) it can be contacted with wedge block (13), turntable (3) is only unidirectional rotatable after telescopic pin (14) is contacted with wedge block (13).
2. a kind of Sand screen of automatic turning separation stone according to claim 1, which is characterized in that the shell
(1) curved wall lower part offers discharge port (15), and the lower end of sieve plate (2) is equipped with the arc to fit with arc shaped inside wall and keeps off
Plate (16), for sieve plate (2) under the action of drive disk (4) when reciprocally swinging, curved baffle (16) can block discharge port (15), sieve plate
(2) when one-directionally rotating under the action of wedge block (13) and telescopic pin (14), sieve plate (2) be can rotate to the upper surface of sieve plate (2)
Relatively with discharge port (15), curved baffle (16) can not block discharge port (15) at this time.
3. a kind of Sand screen of automatic turning separation stone according to claim 1, which is characterized in that the driving
The outer circle of disk (4) is equipped with the push rod (17) of multiple circumference uniform distributions, and the outer circle of turntable (3) is equipped with multiple uniformly distributed struts
(18), push rod (17) can be contacted with strut (18), and the rotation of drive disk (4) can push strut (18) to drive turntable through push rod (17)
(3) intermittent rotary.
4. a kind of Sand screen of automatic turning separation stone according to claim 1, which is characterized in that the active
(9) center of wheel is equipped with electromagnet (19), and bayonet lock (10) is equipped with magnetic patch (20) towards one end of electromagnet (19), and electromagnet (19) is just
To the outer edge surface that bayonet lock (10) can be made to stretch out driving wheel (9) under the action of magnetic force mutual exclusion that is powered, electromagnet (19) is reversely powered
Bayonet lock (10) can be made to retract driving wheel (9) under the action of magnetic force attracts internal.
5. a kind of Sand screen of automatic turning separation stone according to claim 1, which is characterized in that the clamp
(12) right end is connected with magnetic patch (20) through spring, and the right end of magnetic patch (20) is equipped with electromagnet (19), and electromagnet (19) is positive logical
Electricity can be such that clamp (12) stretching support plate (11) contacts with ratchet (8) under the action of magnetic force mutual exclusion, and electromagnet (19) is reversely logical
Electricity can be such that bayonet lock (10) retract under the action of magnetic force attracts, and support plate (11) are internal, and front side one end of telescopic pin (14) is through spring
It is connected with magnetic patch (20), the front side end of magnetic patch (20) is equipped with electromagnet (19), and positive be powered of electromagnet (19) can be in magnetic force mutual exclusion
Under the action of make telescopic pin (14) to stretch out turntable (3) contact with wedge block (13), the reversed energization of electromagnet (19) can be inhaled in magnetic force
Telescopic pin (14) are made to retract turntable (3) under the action of drawing internal.
6. a kind of Sand screen of automatic turning separation stone according to claim 1, which is characterized in that the arc
Inner sidewall, which is equipped with, is placed in groove (21) below discharge port (15), and being equipped in groove (21) can be arcuately overhanging in inner sidewall
The fixture block (22) of contracting, when sieve plate (2) reciprocally swinging, fixture block (22) is contracted in groove (21) under the action of curved baffle (16)
Interior, when sieve plate (2) turns to end face thereon and opposite discharge port (15), fixture block (22), which will pop up, at this time is stuck in the upper of sieve plate (2)
End face.
7. a kind of Sand screen of automatic turning separation stone according to claim 5, which is characterized in that the fixture block
(22) position is provided with sensor (23), and the upper surface of sieve plate (2) is equipped with scraper plate (24), and when original state, electromagnet (19) is just
Bayonet lock (10) and ratchet (8) is set to stretch out the outer edge surface of drive disk (4) and turntable (3) to energization, scraper plate (24) is located at and fixture block
(22) relative direction side can control scraper plate (24) and move back and forth once in the upper surface of sieve plate (2), scrape after fixture block (22) pop-up
Plate (24) can push down on fixture block (22) when being moved to fixture block (22) side, be collapsible into fixture block (22) in groove (21), fixture block
(22) it is collapsible into meeting trigger sensor (23) in groove (21), sensor (23), which issues signal, can make electromagnet (19) reversely be powered
Once, bayonet lock (10) can retract driving wheel (9) inside at this time, and clamp (12) retracts support plate (11) inside, telescopic pin (14) contracting
Rotary disk (3) is internal, and sieve plate (2) can rotate backward recovery to horizontality under the action of the first torsional spring (5) at this time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253900.XA CN109759321B (en) | 2019-03-30 | 2019-03-30 | Sand screening device capable of automatically overturning and separating stones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253900.XA CN109759321B (en) | 2019-03-30 | 2019-03-30 | Sand screening device capable of automatically overturning and separating stones |
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| Publication Number | Publication Date |
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| CN109759321A true CN109759321A (en) | 2019-05-17 |
| CN109759321B CN109759321B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910253900.XA Active CN109759321B (en) | 2019-03-30 | 2019-03-30 | Sand screening device capable of automatically overturning and separating stones |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110918451A (en) * | 2019-12-17 | 2020-03-27 | 河南联合精密材料股份有限公司 | Ultrasonic vibration screening machine with automatic washing function and special-shaped particle removing function |
| CN110990904A (en) * | 2020-01-07 | 2020-04-10 | 黄河科技学院 | Safety protection interface device for cloud computing platform |
| CN111451127A (en) * | 2020-04-10 | 2020-07-28 | 长沙宁湖机械设备有限公司 | Building grit autofilter device |
| CN114431042A (en) * | 2022-01-25 | 2022-05-06 | 中国科学院重庆绿色智能技术研究院 | Micro-grid agricultural planting greenhouse integrating wind energy, light energy and biomass energy |
| CN114505223A (en) * | 2022-02-09 | 2022-05-17 | 湖南响箭重工科技股份有限公司 | High-reliability screen device for pump truck equipment |
| CN115383500A (en) * | 2022-09-30 | 2022-11-25 | 广东德信模钢实业有限公司 | Turnover device |
| CN117696430A (en) * | 2024-02-05 | 2024-03-15 | 山西中农化生物技术股份有限公司 | Automatic cleaning screening machine for granular soil conditioner and use method |
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