CN219836777U - Stirring roller screen device - Google Patents
Stirring roller screen device Download PDFInfo
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- CN219836777U CN219836777U CN202320745634.4U CN202320745634U CN219836777U CN 219836777 U CN219836777 U CN 219836777U CN 202320745634 U CN202320745634 U CN 202320745634U CN 219836777 U CN219836777 U CN 219836777U
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- roller screen
- screen device
- stirring
- screen
- roller
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- 238000003756 stirring Methods 0.000 title claims abstract description 87
- 239000002893 slag Substances 0.000 claims abstract description 37
- 239000002689 soil Substances 0.000 claims abstract description 24
- 238000012216 screening Methods 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000010419 fine particle Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a stirring roller screen device, which comprises: the device comprises a support frame, a rolling screen device which is rotatably arranged for screening shield slag, and a stirring device which is used for scattering shield slag in the rolling screen device. The rolling screen device is hollow and cylindrical and is obliquely arranged on the supporting frame, the upward end of the rolling screen device is provided with a feed inlet for the shield dregs to be screened to enter, and the opposite sinking end of the rolling screen device is provided with a discharge outlet for the large-particle dregs which do not pass through screening to be discharged. The stirring device is arranged on the supporting frame, and part of the stirring device axially stretches into the roller screen device. According to the stirring roller screen device, the stirring device is fully contacted with shield slag soil when rotating, the shield slag soil which is formed into a bulk shape at the bottom of the hollow cavity is fully scattered, the centralized accumulation and integral sliding of the shield slag soil at the bottom of the hollow cavity are avoided, meanwhile, the shield slag soil can be driven to the upper cavity, the effective screen area for fine particles to pass through is increased, and the screening efficiency of the roller screen device is further improved.
Description
Technical Field
The utility model relates to the technical field of rotary screens, in particular to a stirring rotary screen device.
Background
The traditional roller device is obliquely arranged on the frame, and the motor is connected with the roller device through a speed reducer and a coupler to drive the roller device to rotate around the axis of the roller device. When the materials enter the roller device, the materials on the screen surface are overturned and rolled due to the inclination and rotation of the roller device, qualified materials are discharged through a discharge hole at the bottom of the rear end of the roller, and unqualified materials are discharged through a discharge hole at the tail of the roller.
When the drum screen rotates, materials in the screen move upwards and slide along with the rotation of the drum screen, and when the drum screen is used for screening shield slag soil with high mud content, the materials start to slide along with the rising of the inner wall of the drum, so that the materials are easily accumulated at the bottom end of the drum screen to form clusters, and the screening efficiency is low.
Disclosure of Invention
The utility model provides a stirring roller screen device, which aims to solve the technical problem that slag soil in a traditional roller device is easy to accumulate and agglomerate at the bottom end of a roller screen, so that screening efficiency is low.
The technical scheme adopted by the utility model is as follows:
a stirring roller screen device comprising: the device comprises a supporting frame for mounting and supporting, a rolling screen device for screening shield slag soil, and a stirring device for scattering the shield slag soil in the rolling screen device, wherein the rolling screen device is rotatably arranged; the rolling screen device is hollow and cylindrical and is obliquely arranged on the support frame, the upper end of the rolling screen device is provided with a feed inlet for the shield dregs to be screened to enter, and the opposite sinking end of the rolling screen device is provided with a discharge outlet for the large-particle dregs which do not pass through screening to be discharged; the stirring device is arranged on the supporting frame, and part of the stirring device axially stretches into the roller screen device.
Further, the stirring device comprises a stirring rod group for uniformly scattering shield slag soil and a first driving component for driving the stirring rod group to act; the first driving component is connected to a support frame at the sinking end of the roller screen device, and the power output end of the first driving component is connected with the stirring rod group; the stirring rod group axially extends into the hollow cavity of the roller screen device from the sinking end of the roller screen device.
Further, the stirring rod group comprises a mounting rod connected with the power output end of the first driving component and stirring blades for scattering uniform shield residue soil; the installation rod extends into the hollow cavity of the roller screen device from the sinking end of the roller screen device along the axial direction; the stirring vane extends spirally along the length direction of the mounting rod and is arranged on the outer circle of the mounting rod in the hollow cavity.
Further, the stirring rod group comprises a mounting rod connected with the power output end of the first driving component and a plurality of stirring blades for scattering the uniform shield residue soil; the installation rod extends into the hollow cavity of the roller screen device from the sinking end of the roller screen device along the axial direction; the plurality of stirring blades are sequentially arranged on the outer circle of the mounting rod in the hollow cavity along the length direction of the mounting rod, and two adjacent stirring blades are distributed in a staggered manner along the circumferential direction.
Further, the support frame comprises a first support group and a second support group which are respectively arranged at two ends of the roller screen device; the upper end of the roller screen device is supported on the first bracket group, and the opposite sinking end of the roller screen device is supported on the second bracket group; the stirring device is arranged on the second bracket group.
Further, the roller screen device comprises a hollow cylindrical roller screen which is obliquely arranged, a connecting cylinder which is coaxially connected to the upper lifting end of the roller screen, a second driving component for driving the roller screen to rotate, and a feeding hopper for discharging; the connecting cylinder is hollow and cylindrical and is fixed on the first bracket group, a feed inlet is also arranged on the connecting cylinder, and the feed hopper is arranged in the feed inlet; the second driving component is arranged on the connecting cylinder and is connected with the rotary screen; the sinking end of the roller screen is rotatably supported on the second bracket group, and an outlet of the sinking end of the roller screen forms a discharge hole.
Further, the roller screen device comprises a hollow cylindrical roller screen which is obliquely arranged, and a second driving member for driving the roller screen to rotate; the upper end of the rotary screen is rotatably supported on the first bracket set, the upper opening of the rotary screen forms a feed inlet, the opposite sinking end of the rotary screen is rotatably supported on the second bracket set, and the lower opening of the rotary screen forms a discharge outlet; the second driving component is arranged on the first bracket group and is connected with the upward end of the rotary screen.
Further, the second driving component comprises an outer gear ring fixedly arranged on the outer circle of the upper end of the rotary screen, a second motor fixed on the connecting cylinder or the first bracket group, and a driving main wheel connected to the output shaft of the second motor; the driving main wheel and the outer gear ring are in external engagement transmission.
Further, the rotary screen is a constant diameter screen with the inner diameter unchanged along the length direction, or the rotary screen is a cone rotary screen with the inner diameter gradually reduced from the lifting end to the sinking end; the inner wall surface of the drum screen is also provided with a plurality of deceleration strips for slowing down the descending speed of the shield slag soil, the deceleration strips are sequentially arranged at intervals along the length direction of the drum screen, each deceleration strip extends along the circumferential direction of the drum screen, or each deceleration strip extends spirally along the length direction of the drum screen, and two adjacent deceleration strips are distributed in a staggered manner.
Further, the stirring roller screen device also comprises a holding box for holding the fine-particle dregs separated by the roller screen device and a belt conveyor for conveying the large-particle dregs discharged from the discharge end; the holding box is arranged below the roller screen device; the belt conveyor is arranged below the discharge end of the roller screen device.
The utility model has the following beneficial effects:
the stirring roller screen device further comprises a stirring device, part of the stirring device extends into the hollow cavity of the roller screen device along the axial direction, the stirring device rotates during operation, when shield slag soil enters the hollow cavity, the stirring device is fully contacted with the shield slag soil during rotation, the shield slag soil which is in a bulk shape at the bottom of the hollow cavity is fully dispersed, the concentrated accumulation and integral sliding of the shield slag soil at the bottom of the hollow cavity are avoided, meanwhile, the shield slag soil can be driven to the upper cavity, the effective screen area for fine particles to pass through is increased, and the screening efficiency of the roller screen device is further improved.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the spatial configuration of a stirring roller screen device according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of the structure of FIG. 1;
fig. 3 is a schematic view of the spatial structure of the stirring rod set in fig. 2.
Description of the drawings
11. A first bracket group; 12. a second bracket set; 121. a discharge ring; 20. a roller screen device; 201. a feed inlet; 202. a discharge port; 21. a drum screen; 22. a connecting cylinder; 231. an outer ring gear; 232. a second motor; 233. driving a main wheel; 24. a feed hopper; 30. a stirring device; 31. a stirring rod group; 311. a mounting rod; 312. stirring blades; 32. a first driving member; 321. a first motor; 322. a connecting shaft; 40. a receiving box; 50. and a belt conveyor.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.
Referring to fig. 1, a preferred embodiment of the present utility model provides a stirring roller screen device comprising: the device comprises a supporting frame for mounting and supporting, a rolling screen device 20 rotatably arranged for screening shield slag, and a stirring device 30 for scattering shield slag in the rolling screen device 20. The roller screen device 20 is hollow and cylindrical and is obliquely arranged on the support frame, a feed inlet 201 for the shield dregs to be screened to enter is arranged at the upper end of the roller screen device 20, and a discharge outlet 202 for the large-particle dregs which do not pass through screening to be discharged is arranged at the opposite sinking end of the roller screen device. The stirring device 30 is arranged on the supporting frame and partially extends into the roller screen device 20 along the axial direction.
When the stirring roller screen device works, the roller screen device 20 rotates, shield muck to be screened enters a hollow cavity of the roller screen device 20 from a feed inlet 201, small particle muck with smaller particle size falls downwards after passing through sieve holes arranged on the roller screen device 20 under the rotation action of the roller screen device 20, and large particle muck with larger particle size than the sieve holes is finally discharged outwards from a discharge end 202 arranged on the roller screen device 20 under the guide action of the hollow cavity, so that screening separation of the shield muck is realized.
The stirring roller screen device further comprises a stirring device 30, part of the stirring device 30 axially stretches into the hollow cavity of the roller screen device 20, the stirring device 30 rotates during operation, when shield slag enters the hollow cavity, the stirring device 30 fully contacts with the shield slag during rotation, the shield slag at the bottom of the hollow cavity is fully dispersed, the centralized accumulation and integral sliding of the shield slag at the bottom of the hollow cavity are avoided, meanwhile, the shield slag can be driven to the upper cavity, the area of an effective screen through which fine particles pass is increased, and the screening efficiency of the roller screen device is further improved.
Optionally, as shown in fig. 2, the stirring device 30 includes a stirring rod set 31 for uniformly scattering shield slag, and a first driving member 32 for driving the stirring rod set 31 to act. The first driving member 32 is connected to a support frame at the sinking end of the roller screen device 20, and the power output end of the first driving member is connected to the stirring rod set 31. The stirring rod group 31 axially extends from the sinking end of the roller screen device 20 into the hollow cavity of the roller screen device 20. In this alternative, as shown in fig. 2, the first driving member 32 includes a first motor 321, and a connection shaft 322 connected to a power output end of the first motor 321. The connecting shaft 322 connects the stirring rod group 31. When the shield slag stirring device works, the first motor 321 is started, the connecting shaft 322 is driven to rotate, and the connecting shaft 322 drives the stirring rod group 31 to rotate, so that shield slag is uniformly dispersed.
In this alternative, as shown in fig. 2 and 3, the first embodiment of the stirring rod set 31 includes a mounting rod 311 connected to the power output end of the first driving member 32, and stirring blades 312 for scattering the uniform shield residue soil. The mounting rod 311 extends axially from the submerged end of the roller screen assembly 20 into the hollow cavity of the roller screen assembly 20. The stirring blade 312 is spirally extended along the length direction of the mounting rod 311 and is arranged on the outer circle of the mounting rod 311 in the hollow cavity. During operation, in the situation shown in fig. 3, the stirring blade 312 rotates anticlockwise, the stirring blade 312 is in a spiral shape, and contacts with the muck during rotation, because the spiral stirring blade has an inclined surface, the inclined surface can also generate pushing force for muck towards the feed inlet 201 of the roller screen device 20, so that the muck is slowly blanked in the roller screen device 20, the screening time of the muck in the hollow cavity is increased, and the screening efficiency is improved.
In this alternative, in a second embodiment of the stirring rod set 31, not shown, the stirring rod set 31 includes a mounting rod 311 connected to the power output end of the first driving member 32, and a plurality of stirring blades 312 for scattering the shield residue uniformly. The mounting rod 311 extends axially from the submerged end of the roller screen assembly 20 into the hollow cavity of the roller screen assembly 20. The plurality of stirring blades 312 are sequentially arranged on the outer circle of the mounting rod 311 in the hollow cavity along the length direction of the mounting rod 311, and two adjacent stirring blades 312 are distributed in a staggered manner along the circumferential direction. During operation, the mounting rod 311 rotates to drive the stirring blade 312 to rotate, stir and break up the slag soil in the hollow cavity into a bulk shape, prevent the slag soil from accumulating into a bulk at the bottom of the hollow cavity, and further improve the screening efficiency of the slag soil.
Alternatively, as shown in fig. 1, the support frame includes a first support frame group 11 and a second support frame group 12 respectively disposed at two ends of the roller screen device 20. The upper end of the roller screen device 20 is supported on the first bracket set 11, and the opposite sinking end is supported on the second bracket set 12. The stirring device 30 is disposed on the second bracket set 12. The support frame structure is simple to set up, and whole overall arrangement is compact, reasonable.
Alternatively, as shown in fig. 1, the roller screen device 20 includes a hollow cylindrical roller screen 21 disposed obliquely, a connecting cylinder 22 coaxially connected to the upper end of the roller screen 21, a second driving member for driving the roller screen 21 to rotate, and a feed hopper 24 for discharging. The connecting cylinder 22 is hollow and cylindrical, and is fixed on the first bracket set 11, the connecting cylinder 22 is also provided with a feed inlet 201, and the feed hopper 24 is installed in the feed inlet 201. The second driving member is provided on the connection cylinder 22 and is connected to the trommel 21. The sinking end of the rotary screen 21 is rotatably supported on the second bracket set 12, and an outlet of the sinking end of the rotary screen 21 forms a discharge port 202. In this alternative, the second bracket set 12 is provided with a through discharging ring 121, and the sinking end of the trommel 21 is provided with the discharging ring 121 in a penetrating manner. In this alternative, the roller screen device 20 is simple in structural setup and easy to manufacture.
Optionally, a second embodiment of the roller screen device 20, not shown, the roller screen device 20 comprises a roller screen 21 arranged obliquely and in a hollow cylindrical shape, and a second driving member for driving the roller screen 21 in rotation. The upper end of the drum screen 21 is rotatably supported on the first bracket set 11, the upper opening thereof forms a feed inlet 201, the opposite sinking end of the drum screen 21 is rotatably supported on the second bracket set 12, and the lower opening thereof forms a discharge outlet 202. The second driving member is provided on the first bracket group 11 and is connected to the upper end of the trommel 21. In this alternative, the roller screen device 20 is simple in structural setup and easy to manufacture.
In the first and second embodiments of the roller screen device 20, the second driving member includes an outer gear ring 231 fixedly mounted on the outer circle of the upper end of the roller screen 21, a second motor 232 fixed to the connecting cylinder 22 or the first bracket group 11, and a driving main wheel 233 connected to the output shaft of the second motor 232. The driving main wheel 233 is in external engagement transmission with the outer gear ring 231. When the rotary screen 21 is in operation, the second motor 232 is started, so that the driving main wheel 233 is driven to rotate, the driving main wheel 233 drives the outer gear ring 231 to rotate through the meshing effect, and therefore the rotary screen 21 is rotated, and the second driving member is simple in structure and easy to process and prepare.
Preferably, the drum screen 21 is an equal-diameter screen with the inner diameter unchanged along the length direction, or the drum screen 21 is a cone drum screen with the inner diameter gradually reduced from the lifting end to the sinking end, and the drum screen 21 is arranged in the structure, so that the whole structure is simple, the inner diameter gradually reduces along the declining direction, the requirement of actual work is met, the downward speed of the dregs is effectively slowed down, the dregs are screened more fully in the hollow cavity, and the screening quality of the dregs is further improved. The inner wall surface of the drum screen 21 is also provided with a plurality of deceleration strips for slowing down the descending speed of the shield slag soil, the deceleration strips are sequentially arranged at intervals along the length direction of the drum screen 21, and each deceleration strip extends along the circumferential direction of the drum screen 21 or extends spirally along the length direction of the drum screen 21, and two adjacent deceleration strips are arranged in a staggered manner and do not interfere with the sieve holes on the drum screen 21. Because the drum screen 21 is obliquely arranged, the deceleration strip is used for slowing down the descending speed of the dregs on one hand, so that the dregs are screened more fully, the separated small-particle dregs are also convenient to be discharged downwards through the screen holes in time, and meanwhile, the deceleration strip is also used for increasing the rolling amplitude of the dregs in the drum screen 21, so that the screening separation is more thorough and full.
Optionally, as shown in fig. 1, the agitating roller screen apparatus further includes a holding box 40 for holding fine-particle muck separated by the roller screen apparatus 20, and a belt conveyor 50 for conveying large-particle muck discharged from the discharge end. The container 40 is disposed below the roller screen device 20. The belt conveyor 50 is disposed below the discharge end of the roller screen assembly 20.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A stirring roller screen device, comprising:
the device comprises a supporting frame for mounting and supporting, a rolling screen device (20) rotationally arranged for screening shield slag, and a stirring device (30) for scattering shield slag in the rolling screen device (20);
the rolling screen device (20) is hollow and cylindrical and is obliquely arranged on the support frame, a feeding port (201) for the shield dregs to be screened to enter is arranged at the upward end of the rolling screen device (20), and a discharging port (202) for the large-particle dregs which do not pass through screening to be discharged is arranged at the opposite sinking end of the rolling screen device;
the stirring device (30) is arranged on the supporting frame, and part of the stirring device axially stretches into the roller screen device (20).
2. The agitating roller screen apparatus of claim 1 wherein,
the stirring device (30) comprises a stirring rod group (31) for uniformly scattering shield slag soil and a first driving component (32) for driving the stirring rod group (31) to act;
the first driving component (32) is connected to a support frame at the sinking end of the roller screen device (20), and the power output end of the first driving component is connected with the stirring rod group (31);
the stirring rod group (31) axially extends into the hollow cavity of the roller screen device (20) from the sinking end of the roller screen device (20).
3. The agitating roller screen apparatus of claim 2 wherein,
the stirring rod group (31) comprises a mounting rod (311) connected with the power output end of the first driving component (32), and
stirring blades (312) for scattering uniform shield slag;
the mounting rod (311) axially extends into the hollow cavity of the roller screen device (20) from the sinking end of the roller screen device (20);
the stirring blades (312) are spirally extended along the length direction of the mounting rod (311) and are arranged on the outer circle of the mounting rod (311) in the hollow cavity.
4. The agitating roller screen apparatus of claim 2 wherein,
the stirring rod group (31) comprises a mounting rod (311) connected with the power output end of the first driving component (32), and
a plurality of stirring blades (312) for scattering the uniform shield slag;
the mounting rod (311) axially extends into the hollow cavity of the roller screen device (20) from the sinking end of the roller screen device (20);
the stirring blades (312) are sequentially arranged on the outer circle of the mounting rod (311) in the hollow cavity along the length direction of the mounting rod (311), and two adjacent stirring blades (312) are distributed in a staggered manner along the circumferential direction.
5. The agitating roller screen apparatus of claim 1 wherein,
the support frame comprises a first support group (11) and a second support group (12) which are respectively arranged at two ends of the roller screen device (20);
the upper end of the roller screen device (20) is supported on the first bracket group (11), and the opposite sinking end is supported on the second bracket group (12);
the stirring device (30) is arranged on the second bracket group (12).
6. The agitator roller screen assembly of claim 5, wherein,
the roller screen device (20) comprises a hollow cylindrical roller screen (21) which is obliquely arranged, a connecting cylinder (22) which is coaxially connected to the upper end of the roller screen (21), a second driving component for driving the roller screen (21) to rotate, and a feeding hopper (24) for discharging;
the connecting cylinder (22) is hollow and cylindrical and is fixed on the first bracket group (11), the connecting cylinder (22) is also provided with a feed inlet (201), and the feed hopper (24) is arranged in the feed inlet (201);
the second driving component is arranged on the connecting cylinder (22) and is connected with the rotary screen (21);
the sinking end of the rotary screen (21) is rotatably supported on the second bracket group (12), and the outlet of the sinking end of the rotary screen (21) forms a discharge port (202).
7. The agitator roller screen assembly of claim 5, wherein,
the roller screen device (20) comprises a hollow cylindrical roller screen (21) which is obliquely arranged, and a second driving component for driving the roller screen (21) to rotate;
the upper end of the rotary screen (21) is rotatably supported on the first bracket group (11), the upper opening of the rotary screen forms a feed inlet (201), the opposite sinking end of the rotary screen (21) is rotatably supported on the second bracket group (12), and the lower opening of the rotary screen forms a discharge outlet (202);
the second driving component is arranged on the first bracket group (11) and is connected with the upward end of the rotary screen (21).
8. The agitator roller screen assembly of any one of claims 6 or 7,
the second driving component comprises an outer gear ring (231) fixedly arranged on the outer circle of the lifting end of the rotary screen (21), a second motor (232) fixedly arranged on the connecting cylinder (22) or the first bracket group (11), and a driving main wheel (233) connected to the output shaft of the second motor (232);
the driving main wheel (233) is in external meshed transmission with the external gear ring (231).
9. The agitator roller screen assembly of any one of claims 6 or 7,
the rotary screen (21) is a constant-diameter screen with the inner diameter unchanged along the length direction, or the rotary screen (21) is a cone rotary screen with the inner diameter gradually reduced from the lifting end to the sinking end;
the inner wall surface of the rotary screen (21) is also provided with a plurality of deceleration strips for slowing down the descending speed of the shield slag soil, the deceleration strips are sequentially arranged at intervals along the length direction of the rotary screen (21), each deceleration strip extends along the circumferential direction of the rotary screen (21), or each deceleration strip extends spirally along the length direction of the rotary screen (21), and two adjacent deceleration strips are staggered.
10. The agitating roller screen apparatus of claim 1 wherein,
the stirring roller screen device also comprises a holding box (40) for holding the fine-particle dregs separated by the roller screen device (20), and a belt conveyor (50) for conveying the large-particle dregs discharged from the discharge end;
the holding box (40) is arranged below the roller screen device (20);
the belt conveyor (50) is arranged below the discharge end of the roller screen device (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745634.4U CN219836777U (en) | 2023-04-07 | 2023-04-07 | Stirring roller screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745634.4U CN219836777U (en) | 2023-04-07 | 2023-04-07 | Stirring roller screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219836777U true CN219836777U (en) | 2023-10-17 |
Family
ID=88300170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320745634.4U Active CN219836777U (en) | 2023-04-07 | 2023-04-07 | Stirring roller screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219836777U (en) |
-
2023
- 2023-04-07 CN CN202320745634.4U patent/CN219836777U/en active Active
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