AU2020328701A1 - Positive drive self-balancing type flip-flow screen - Google Patents
Positive drive self-balancing type flip-flow screen Download PDFInfo
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- AU2020328701A1 AU2020328701A1 AU2020328701A AU2020328701A AU2020328701A1 AU 2020328701 A1 AU2020328701 A1 AU 2020328701A1 AU 2020328701 A AU2020328701 A AU 2020328701A AU 2020328701 A AU2020328701 A AU 2020328701A AU 2020328701 A1 AU2020328701 A1 AU 2020328701A1
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- AU
- Australia
- Prior art keywords
- screen frame
- eccentric shaft
- screen
- fixed
- floating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
A positive drive self-balancing type flip-flow screen, comprising a fixed screen frame (1), a floating screen frame (2), suspension device assemblies (3), a main rack (5), a motor (7), a petal-shaped coupling (8), and an eccentric shaft assembly (9). The fixed screen frame is mounted on the main rack; two side surfaces of the floating screen frame are connected to the fixed screen frame by means of the suspension device assemblies correspondingly; screen surface crossbeams of the fixed screen frame and screen surface crossbeams of the floating screen frame are arranged alternately; the motor is located on one side of the main rack; the eccentric shaft assembly is fixedly mounted at an upper end portion of the fixed screen frame, and the mounting center plane coincides with the center plane of the floating screen frame; the motor is connected to the eccentric shaft assembly by means of the petal-shaped coupling; the eccentric shaft assembly comprises an eccentric shaft (91), a transmission connection rod (96), and the like; the motor drives the eccentric shaft to rotate, the eccentric shaft drives the transmission connection rod, and thus the transmission connection rod pushes the floating screen frame to do positive reciprocating swing motion relative to the fixed screen frame. The flip-flow screen is simple and reliable in structure, stable in operation, small in noise, high in work efficiency, low in energy consumption, and high in practicability.
Description
Field of the Invention The present invention relates to the technical field of deep screening devices, and in particular to a positive drive self-balancing type flip-flow screen.
Description of Related Art As a basic energy and an important industrial raw material in China, coal strongly supports development of the national economy. A vibrating screening apparatus is an important component of a coal screening apparatus, and its working performance is the key to whether efficient separation of coal can be realized. Raw coal has much surface moisture caused by water seepage in coal bed, water spray for dust prevention in a screening process, etc., and when moist coal materials are treated by a conventional screening apparatus, a relatively severe hole-blocking phenomenon occurs, so that it is difficult to achieve effective screening of moist fine-grained materials.
A flip-flow screen is to utilize the movement of alternative tension and relaxation of an elastic screen to make materials to be continuously in contact with the screen surface and perform movement of bouncing to loosen, falling to penetrate the screen, and the like under action of an amplitude and elastic force of the screen, so as to accomplish dry efficient screening of the difficult-to-screen materials with greater viscosity and operation with high production capacity. At present, the flip-flow screen used in the market in China is mainly imported, and it is expensive, uses a supporting device and a transmission mechanism which are relatively complex, and has the problems that energy consumption is high, the key parts such as the screen surface are liable to damage, and the like.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a positive drive self-balancing type flip-flow screen which has high screening efficiency, great handling capacity,
small dynamic load, less power consumption and low noise.
To achieve the above object, the present invention adopts the following technical solution: a positive drive self-balancing type flip-flow screen comprises a fixed screen frame, a floating screen frame, a main rack, a motor support stand and a motor, wherein the motor is mounted at one side of the main rack through the motor support stand; the fixed screen frame is mounted on the main rack through a damping rubber pad and is at an angle with the ground; the two side surfaces of the floating screen frame are separately connected to the fixed screen frame through suspension device assemblies; and screen surface crossbeams of the fixed screen frame and screen surface crossbeams of the floating screen frame are arranged alternately;
the flip-flow screen further comprises a petal-shaped coupling and an eccentric shaft assembly, wherein the eccentric shaft assembly is fixedly mounted at an upper end part of the fixed screen frame, with the mounting center plane of the eccentric shaft assembly coinciding with the center plane of the floating screen frame; the eccentric shaft assembly comprises an eccentric shaft, double-row ball bearings, an eccentric shaft holder, a transmission connection rod, self-aligning roller bearings and a universal driving shaft, wherein the two ends of the eccentric shaft are separately mounted in one eccentric shaft holder through the double-row ball bearings; the eccentric shaft holder is fixedly mounted on the surface of the fixed screen frame; the eccentric shaft is a structure with two eccentric ends, and comprises a middle section as well as bearing mounting sections and eccentric sections which are symmetrically connected at the two ends of the middle section in sequence, wherein the eccentric section at one side is further connected to a transition section and the eccentric section at the other side is connected to a drive section, the drive section is connected to the output end of the motor through the petal-shaped coupling, and one end of the transmission connection rod is connected to the eccentric sections through the self-aligning roller bearings, and the other end of the transmission connection rod is connected to the floating screen frame through the universal driving shaft;
each suspension device assembly comprises an upper fixed block and a lower fixed block which are connected to each other through a screw, wherein the upper fixed block is connected to the fixed screen frame, and the lower fixed block is connected to the floating screen frame;
each suspension device assembly further comprises two groups of suspension swing parts, each including an arc-face convex block and an arc-face concave block which are in surface fit, wherein the two groups of the suspension swing parts are fixed on the upper surface of the upper fixed block and the lower surface of the lower fixed block separately, and the outer sides of the upper and lower arc-face convex blocks are separately fastened through one fastening nut.
Further, a sealing ring is arranged between the eccentric shaft holder and the eccentric shaft.
Further, the eccentric shaft holder is a detachable part which is assembled by a holder body, front and rear end covers, and bolts.
Further, oil nozzles are further mounted on the top of the eccentric shaft holder.
Further, the transmission connection rod is a detachable part which is assembled by a connection rod body, left and right end covers, and bolts.
Further, a buffer spring is further arranged between the fixed screen frame and the floating screen frame.
Further, the flip-flow screen further includes an elastic screen surface which is formed by interconnecting a plurality of rectangular screen surfaces, the two ends of each rectangular screen surface being separately fixed on the adjacent screen surface crossbeams of the fixed screen frame and the floating screen frame.
Preferably, the elastic screen surface is made of a polyurethane material.
Compared with the prior art, the present invention has the following beneficial effects:
1. The fixed screen frame and the main rack in the present invention are connected into a whole, and the eccentric shaft assembly is fixedly mounted at the upper end part of the fixed screen frame, with the mounting center plane of the eccentric shaft assembly coinciding with the center plane of the floating screen frame, eliminating eccentric moment of force on the rack caused by inertia force generated during the operation of the floating screen frame, and ensuring stability in work of the complete machine; and meanwhile, the structure is made compact, reducing the height of the complete machine and saving the space in inclined mounting.
2. The elastic screen surface is made of the polyurethane material and is driven by relative movement between the fixed screen frame and the floating screen frame during the vibration to perform flexion movement, achieving screen penetration of materials with high screening efficiency.
3. Each suspension swing part takes a structure with the arc-face convex block and the arc-face concave block, wherein the arc radius of the convex block is smaller than that of the concave block, and when the floating screen frame is in reciprocating swing, the convex block and the concave block are in line-surface contact where there is only rolling contact and no sliding friction, so that no extra energy loss is generated.
4. The motor drives the eccentric shaft to rotate and the eccentric shaft drives the transmission connection rod to push, through a universal driving shaft, the floating screen frame to perform forced reciprocating rocking motion relative to the fixed screen frame, with stable amplitude and reliable movement.
FIG.1 is a structural diagram of a positive drive self-balancing type flip-flow screen of the present invention;
FIG.2 is a front view of FIG.1;
FIG.3 is a top view of FIG.1;
FIG.4 is a left view of FIG.1;
FIG.5 is a structural diagram of a suspension device assembly of the present invention;
FIG.6 is a partial structural diagram of an eccentric shaft assembly of the present invention;
FIG.7 is an isometric schematic diagram of the eccentric shaft assembly in FIG.6; and
FIG.8 is a structural diagram of an eccentric shaft of the present invention.
in which: 1. fixed screen frame; 2. floating screen frame; 3. suspension device assembly; 31. upper fixed block; 32. lower fixed block; 33. fastening nut; 34. arc-face
convex block; 35. arc-face concave block; 36. screw; 4. damping rubber pad; 5. main rack; 6. motor support stand; 7. motor; 8. petal-shaped coupling; 9. eccentric shaft assembly; 91. eccentric shaft; 92. double-row ball bearing; 93. eccentric shaft holder; 95. oil nozzle; 96. transmission connection rod; 97. self-aligning roller bearing; 98. universal driving shaft; 911. middle section; 912. transition section; 913. bearing mounting section; 914. eccentric section; 915. drive section; 10. buffer spring; 11. elastic screen surface; and 12. stud.
DETAILED DESCRIPTION OF THE INVENTION To enhance understanding of the present invention, the present invention will be described in detail in conjunction with the accompanying drawings and an embodiment, and the embodiment is given only for illustrating the present invention and is not intended to limit the scope of the present invention.
As shown in FIG.1, FIG.2, FIG.3 and FIG.4, the positive drive self-balancing type flip-flow screen of the present invention mainly consists of a fixed screen frame 1, a floating screen frame 2, suspension device assemblies 3, a main rack 5, a motor support stand 6, a motor 7, a petal-shaped coupling 8, an eccentric shaft assembly 9, a butter spring 10 and an elastic screen surface 11. The main rack 5 is fixed on the ground through a damping base or is directly fixed on the ground; the fixed screen frame 1 is fixed on the main rack 5 through a damping rubber pad 4, and is at an angle with the ground; the two side surfaces of the floating screen frame 2 are connected together to the fixed screen frame 1 through the suspension device assemblies 3, and a buffer spring 10 is arranged between the fixed screen frame 1 and the floating screen frame 2; screen surface crossbeams of the floating screen frame 2 and screen surface crossbeams of the fixed screen frame 1 are arranged alternately; the elastic screen surface 11 is made of a polyurethane material, and is formed by interconnecting a plurality of rectangular screen surfaces, the two ends of each rectangular screen surface being separately fixed on the adjacent screen surface crossbeams of the fixed screen frame 1 and the floating screen frame 2, and when the two screen frames are in relative movement, the elastic screen surface 11 is driven to perform the movement of alternative tension and relaxation; and the motor 7 is mounted at one side of the main rack 5 through the motor support stand 6, and is connected to the eccentric shaft assembly 9 through the petal-shaped coupling 8.
As shown in FIG.5, each suspension device assembly 3 includes an upper fixed block 31 connected to the fixed screen frame 1, a lower fixed block 32 connected to the floating screen frame 2 and a screw 36 connecting the upper fixed block 31 to the lower fixed block 32; the suspension device assembly 3 further includes two groups of suspension swing assemblies, where each suspension swing part comprises an arc-face convex block 34 and an arc-face concave block 35 which are in surface fit; the two groups of the suspension swing parts are fixed on the upper surface of the upper fixed block and the lower surface of the lower fixed block separately, and the outer sides of the upper and lower arc-face convex blocks 35 are separately fastened through one fastening nut 33, that is, the arc-face convex blocks 34 and the arc-face concave blocks 35 are fitted in surfaces and fixed on the upper surfaces of the upper fixed blocks 31, and fastened to each other by one fastening nut 33 passing through the screw 36; and the arc-face convex blocks 34 and the arc-face concave blocks 35 are also fitted in surfaces and fixed on the lower surfaces of the lower fixed blocks 32, and fastened to each other by one fastening nut 33 passing through the screw 36.
As shown in FIG.6 and FIG.7, the eccentric shaft assembly 9 includes an eccentric shaft 91, double-row ball bearings 92, an eccentric shaft holder 93, a transmission connection rod 96, self-aligning roller bearings 97 and a universal driving shaft 98. The two ends of the eccentric shaft 91 are separately mounted in one eccentric shaft holder 93 through the double-row ball bearings 92, and a sealing ring is arranged between the eccentric shaft holder 93 and the eccentric shaft 91; the eccentric shaft holder 93 is fixedly mounted on an upper end part of the fixed screen frame 2 through a stud 12 and a nut, with the mounting center plane of the eccentric shaft assembly 9 coinciding with the center plane of the floating screen frame 2, the eccentric shaft holder 93 is a detachable part which is assembled by a holder body, front and rear end covers, and bolts, and oil nozzles 95 for periodically lubricating the double-row ball bearings 92 are further mounted on the top of the eccentric shaft holder 93.
As shown in FIG.8, the eccentric shaft 91 is a structure with two eccentric ends, and comprises a middle section 911 as well as bearing mounting sections 913 and eccentric sections 914 which are symmetrically connected at the two ends of the middle section 911 in sequence, wherein the eccentric section 914 at one side is further connected to a transition section, and the eccentric section 914 at the other side
is connected to a drive section 915. The bearing mounting sections 913 are mounted in the eccentric shaft holder 93 through the double-row ball bearings 92; one end of the transmission connection rod 96 is connected to the eccentric section 914 through the self-aligning roller bearings 97, and the other end of the transmission connection rod 96 is connected to the floating screen frame 2 through the universal driving shaft 98; the transmission connection rod 96 is a detachable part which is assembled by a connection rod body, left and right end covers, and bolts; the drive section 915 is connected to the output end of the motor 7 through the petal-shaped coupling 8; and the transition section 914 is used for mounting a lock ring by means of which a bearing is axially fixed.
In the above-mentioned embodiment, when the flip-flow screen works, the motor 7 drives the eccentric shaft 91 to rotate, and the eccentric shaft 91 is connected to the fixed screen frame 1 sequentially through the bearing mounting sections 913, the double-row ball bearings 92 and the eccentric shaft holder 93, and accordingly, the eccentric shaft 91 drives the transmission connection rod 96 to rotate through the eccentric sections 914 arranged at the two sides and the self-aligning roller bearings 97 thereon. The transmission connection rod 96 pushes, through the universal driving shaft 98, the floating screen frame 2 to perform forced reciprocating rocking motion relative to the fixed screen frame 1.
The floating screen frame 2 swings back and forth relative to the fixed screen frame 1 under pushing of the transmission connection rod 96 and constraint of the suspension device assemblies 3. During the swinging, the arc-face convex blocks 34 in the suspension device assemblies 3 create relative rolling in concave surfaces of the arc-face concave blocks 35. The elastic screen surface 11 is made of a polyurethane material and is driven by relative movement between the fixed screen frame 1 and the floating screen frame 2 during the work of the flip-flow screen to perform flexion movement of alternative tension and relaxation, achieving screen penetration of materials. The present invention improves screening efficiency and reduces friction of movable parts of a suspension device in work while meeting work requirements, thereby prolonging service life and reducing frictional heating loss. In addition, the present invention reduces mass of vibration, and ensures stability in work of the whole machine.
The present invention discloses one preferred embodiment, but is not limited thereto. Various changes and modifications can be easily made by those of ordinary skill in the art from the embodiment described above without departing from the scope and spirit of the present invention.
Claims (8)
1. A positive drive self-balancing type flip-flow screen, comprising a fixed screen
frame (1), a floating screen frame (2), a main rack (5), a motor support stand (6) and a
motor (7), the motor (7) being mounted at one side of the main rack (5) through the
motor support stand (6), wherein the fixed screen frame (1) is mounted on the main
rack (5) through a damping rubber pad (4), and is at an angle with the ground; two
side surfaces of the floating screen frame (2) are separately connected to the fixed
screen frame (1) through suspension device assemblies (3), and screen surface
crossbeams of the fixed screen frame (1) and screen surface crossbeams of the
floating screen frame (2) are arranged alternately;
the flip-flow screen further comprises a petal-shaped coupling (8) and an eccentric
shaft assembly (9), wherein the eccentric shaft assembly (9) is fixedly mounted at an
upper end part of the fixed screen frame (1), with the mounting center plane of the
eccentric shaft assembly (9) coinciding with the center plane of the floating screen
frame (2); the eccentric shaft assembly (9) comprises an eccentric shaft (91),
double-row ball bearings (92), an eccentric shaft holder (93), a transmission
connection rod (96), self-aligning roller bearings (97) and a universal driving shaft
(98), two ends of the eccentric shaft (91) being separately mounted in the eccentric
shaft holder (93) through the double-row ball bearings (92), the eccentric shaft holder
(93) being fixedly mounted on surface of the fixed screen frame (1), the eccentric
shaft (91) being a structure with two eccentric ends, and comprising a middle section
(911) as well as bearing mounting sections (913) and eccentric sections (914) which
are symmetrically connected at two ends of the middle section (911) in sequence, the
eccentric section (914) at one side being further connected to a transition section
(912), the eccentric section (914) at the other side being connected to a drive section
(915) which is connected to the output end of the motor (7) through the petal-shaped
coupling (8), one end of the transmission connection rod (96) being connected to the
eccentric sections (914) through the self-aligning roller bearings (97), and the other
end of the transmission connection rod (96) being connected to the floating screen
frame (2) through the universal driving shaft (98);
each suspension device assembly (3) comprises an upper fixed block (31) and a lower
fixed block (32) which are connected to each other through a screw (36), the upper
fixed block (31) being connected to the fixed screen frame (1), and the lower fixed
block (32) being connected to the floating screen frame (2); and
each suspension device assembly (3) further comprises two groups of suspension
swing parts, each including an arc-face convex block (34) and an arc-face concave
block (35) which are in surface fit, the two groups of the suspension swing parts being
fixed on the upper surface of the upper fixed block and the lower surface of the lower
fixed block separately, and outer sides of the upper and lower arc-face convex blocks
(35) being separately fastened through one fastening nut (33).
2. The positive drive self-balancing type flip-flow screen according to claim 1,
wherein a sealing ring is arranged between the eccentric shaft holder (93) and the
eccentric shaft (91).
3. The positive drive self-balancing type flip-flow screen according to claim 1,
wherein the eccentric shaft holder (93) is a detachable part which is assembled by a
holder body, front and rear end covers, and bolts.
4. The positive drive self-balancing type flip-flow screen according to claim 1,
wherein oil nozzles (95) are further mounted on top of the eccentric shaft holder (93).
5. The positive drive self-balancing type flip-flow screen according to claim 1,
wherein the transmission connection rod (96) is a detachable part which is assembled
by a connection rod body, left and right end covers, and bolts.
6. The positive drive self-balancing type flip-flow screen according to claim 1,
wherein a buffer spring (10) is further arranged between the fixed screen frame (1)
and the floating screen frame (2).
7. The positive drive self-balancing type flip-flow screen according to claim 1, further
comprising an elastic screen surface (11) which is formed by interconnecting a
plurality of rectangular screen surfaces, two ends of each rectangular screen surface
being separately fixed on the adjacent screen surface crossbeams of the fixed screen
frame (1) and the floating screen frame (2).
8. The positive drive self-balancing type flip-flow screen according to claim 7,
wherein the elastic screen surface (11) is made of a polyurethane material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910751336.4 | 2019-08-14 | ||
| CN201910751336.4A CN110465483B (en) | 2019-08-14 | 2019-08-14 | Forced driving self-balancing flip-flow screen |
| PCT/CN2020/106723 WO2021027617A1 (en) | 2019-08-14 | 2020-08-04 | Positive drive self-balancing type flip-flow screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2020328701A1 true AU2020328701A1 (en) | 2021-04-01 |
| AU2020328701B2 AU2020328701B2 (en) | 2022-02-03 |
Family
ID=68511719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2020328701A Active AU2020328701B2 (en) | 2019-08-14 | 2020-08-04 | Positive drive self-balancing type flip-flow screen |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN110465483B (en) |
| AU (1) | AU2020328701B2 (en) |
| WO (1) | WO2021027617A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110465483B (en) * | 2019-08-14 | 2020-10-30 | 中国矿业大学 | Forced driving self-balancing flip-flow screen |
| CN113441389A (en) * | 2021-07-08 | 2021-09-28 | 深圳市朗戈威实业有限公司 | A partial shipment device for electronic components production |
| CN114345698A (en) * | 2021-12-24 | 2022-04-15 | 冯巨伟 | Screening installation is used in animal remedy production |
| CN114377948B (en) * | 2022-01-13 | 2022-09-20 | 中国矿业大学(北京) | Modular reconfigurable transverse vibration large-scale flip-flow screen |
| CN116689168B (en) * | 2023-08-05 | 2023-10-27 | 新乡市弘力电源科技有限公司 | High temperature resistant lithium manganate synthesizes screening plant |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101664738B (en) * | 2008-09-01 | 2012-01-04 | 中国矿业大学 | Centralized driving flip-flow screen |
| CN201728190U (en) * | 2010-07-20 | 2011-02-02 | 王海生 | Large-size flip-flow screen |
| CN203517139U (en) * | 2013-10-16 | 2014-04-02 | 中国机械工业建设集团有限公司 | Installation structure of pipeline thrust-free sleeve compensator |
| KR20150127510A (en) * | 2014-05-07 | 2015-11-17 | 이순호 | Mixture sorting device |
| CN105195412A (en) * | 2015-11-06 | 2015-12-30 | 中国矿业大学(北京) | Floating frame driving type flip-flop screen |
| WO2017202929A1 (en) * | 2016-05-25 | 2017-11-30 | Dynamic Screening Systems Limited | A screening machine for screening material according to size |
| JP6149143B1 (en) * | 2016-09-15 | 2017-06-14 | 能登リサイクル協同組合 | Flow obstruction tool for screen of sieve device, screen for sieve device and sieve device |
| CN106269489B (en) * | 2016-10-19 | 2018-07-06 | 中国矿业大学 | A kind of unilateral drive-type swinging screen |
| CN108654985A (en) * | 2018-05-29 | 2018-10-16 | 中国矿业大学(北京) | Self-balancing roller flip flop screen |
| CN110465483B (en) * | 2019-08-14 | 2020-10-30 | 中国矿业大学 | Forced driving self-balancing flip-flow screen |
-
2019
- 2019-08-14 CN CN201910751336.4A patent/CN110465483B/en active Active
-
2020
- 2020-08-04 WO PCT/CN2020/106723 patent/WO2021027617A1/en active Application Filing
- 2020-08-04 AU AU2020328701A patent/AU2020328701B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020328701B2 (en) | 2022-02-03 |
| WO2021027617A1 (en) | 2021-02-18 |
| CN110465483B (en) | 2020-10-30 |
| CN110465483A (en) | 2019-11-19 |
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