CN220570924U - Round pile soil piling mechanism and self-propelled round pile flat piling machine - Google Patents
Round pile soil piling mechanism and self-propelled round pile flat piling machine Download PDFInfo
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- CN220570924U CN220570924U CN202322231766.8U CN202322231766U CN220570924U CN 220570924 U CN220570924 U CN 220570924U CN 202322231766 U CN202322231766 U CN 202322231766U CN 220570924 U CN220570924 U CN 220570924U
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- 239000002689 soil Substances 0.000 title claims abstract description 73
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
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- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 244000061456 Solanum tuberosum Species 0.000 description 3
- 235000002595 Solanum tuberosum Nutrition 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 235000005822 corn Nutrition 0.000 description 3
- 208000003643 Callosities Diseases 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 206010020649 Hyperkeratosis Diseases 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 235000012015 potatoes Nutrition 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Abstract
The utility model provides a round pile soil piling mechanism and a self-propelled round pile flat piling machine. The soil piling mechanism and the self-propelled round pile flat piling machine can automatically pile round piles, improve the soil-shifting efficiency and reduce the labor intensity.
Description
Technical Field
The utility model relates to the field of agricultural equipment, in particular to a round pile soil piling mechanism and a self-propelled round pile flat stacker.
Background
In areas with heavy rain or water logging, when cassava, potato or corn is planted, the roots and seeds of crops are submerged or the seeds or the roots and seeds are flushed due to the fact that the roots and seeds are exposed out of the surface of the planted soil, so that the growth of plants is unfavorable. The existing solution is to perform soil piling planting, namely, piling soil up, and then planting tubers or seeds in a soil pile, so that the planting height of plants is higher than the ground height, and the plants can resist rain wash or soaking.
When the soil is piled up and planted, the conical soil pile is piled up, the existing operation method is to pile up soil manually in rainy seasons, and the soil pile is leveled and piled up flatly in drought seasons, so that the operation efficiency is low, and meanwhile, the labor intensity of farmers is high, so that the agricultural mechanization is not facilitated.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a round pile soil piling mechanism and a self-propelled round pile flat stacker, which can automatically pile soil on a round pile, improve the soil-shifting efficiency and reduce the labor intensity.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a circle pile soil piling mechanism, includes the drive shaft, and the drive shaft lower extreme is equipped with the regulation crossbearer, and the both ends of regulation crossbearer are equipped with the mounting bracket, and the installation axle rotates to be installed on the mounting bracket, and the installation axle tip is equipped with the circular cone harrow of relative setting, and the drive shaft rotates to be installed on the circle pile frame, and the drive shaft passes through actuating mechanism drive.
In the preferred scheme, the mounting bracket includes two sets of mounting panels that set up in the regulation crossbearer upper and lower both sides respectively, and two sets of mounting panels pass through bolted connection, and the mounting panel bottom of regulation crossbearer downside is equipped with the installation pole, and the installation pole lower extreme is equipped with the slope tail end, and the installation axle setting is at the slope tail end.
The utility model also provides a self-propelled round pile flat stacker, which comprises the round pile soil stacking mechanism, wherein a round pile frame of the round pile soil stacking mechanism is arranged at the end part of a rack, and a traveling system is arranged at the bottom of the rack.
In the preferred scheme, the driving mechanism comprises a power element arranged on the frame, a supporting shaft is arranged on the round pile frame through a bearing seat, a driving bevel gear is arranged on the supporting shaft, a driven bevel gear meshed with the driving bevel gear is arranged on a driving shaft, and the power element drives the supporting shaft through a transmission system.
In the preferred scheme, the transmission system comprises a first driving wheel arranged at the output end of the power element, a first driven wheel is arranged at the input end of the speed reducer, the first driving wheel and the first driven wheel are driven by a belt or a chain, a second driving wheel is arranged at the output end of the speed reducer, a second driven wheel is arranged on the supporting shaft, and the second driving wheel and the second driven wheel are driven by the belt or the chain.
In the preferred scheme, the traveling system comprises a traveling rotating shaft arranged on a frame, traveling wheels are arranged at two ends of the traveling rotating shaft, a third driving wheel is arranged at the output end of a power element, a gearbox is arranged on the frame, a third driven wheel is arranged at the input end of the gearbox, a fourth driving wheel is arranged at the output end of the gearbox, a fourth driven wheel is arranged on the traveling rotating shaft, transmission is carried out between the third driving wheel and the third driven wheel and between the fourth driving wheel and the fourth driven wheel through a belt or a chain, and an operating mechanism is arranged at one end, far away from the round pile soil mechanism, of the frame.
In the preferred scheme, the horizontal stacking mechanism comprises a connecting cross rod, the upper side of the connecting cross rod is connected with the frame through a connecting frame, the connecting frame is connected with the frame through bolts, the two ends of the connecting cross rod are provided with supporting frames, a rotating shaft of the flat soil spiral harrow is rotatably arranged on the supporting frames, a fifth driven wheel is arranged on the rotating shaft of the flat soil spiral harrow, a fifth driving wheel is arranged at the input end of the speed reducer, and the fifth driving wheel and the fifth driven wheel are in transmission through a belt or a chain.
In the preferred scheme, one side of the lower end of the support frame is provided with a height limiting wheel.
In the preferred scheme, the support frame is including supporting the section of thick bamboo, is equipped with the slide bar in the support section of thick bamboo, and the pivot setting of limit high wheel is in slide bar lower extreme one side, and support section of thick bamboo upper end is equipped with the apron, is equipped with on the apron with lifting screw complex screw hole, lifting screw lower extreme rotation is installed in slide bar upper end, lifting screw upper end is equipped with the lift handle.
In the preferred scheme, the speed reducer is a double-output speed reducer, and the other output end of the speed reducer is connected with the generator.
The circular pile soil piling mechanism and the self-propelled circular pile flat piling machine provided by the utility model have the following beneficial effects:
1. the circular pile soil piling mechanism is moved to a position where soil piling is needed, the driving mechanism is started to drive the driving shaft to rotate, so that the adjusting transverse frame and the conical harrow are driven to synchronously perform circular motion taking the driving shaft as a circle center, meanwhile, the conical harrow rotates, soil is cut and folded upwards in the rotating process of the conical harrow, and the soil is raked into a soil pile with a conical shape with a small upper part and a large lower part for planting crops such as wood combs, potatoes, corns and the like.
2. After the planting season is over, the round pile soil piling mechanism is dismantled, the flat pile mechanism is arranged at the end part of the frame, the flat soil spiral harrow rotates to flatten the soil pile, and the round pile is flattened to a specified height for use in the next season.
3. The mechanical operation of piling and flattening the soil is realized, the planting efficiency is improved, and the labor intensity is reduced.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples of implementation:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the installation of a drive shaft;
FIG. 4 is a schematic view of the overall structure when the flat stacking mechanism is installed;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic structural view of a flat stacking mechanism;
in the figure: the device comprises a driving shaft 1, an adjusting cross frame 2, a mounting frame 3, a mounting shaft 4, a conical harrow 5, a frame 6, a power element 7, a first driving wheel 8, a speed reducer 9, a first driven wheel 10, a second driving wheel 11, a supporting shaft 12, a second driven wheel 13, a driving bevel gear 14, a driven bevel gear 15, a walking rotating shaft 16, a walking wheel 17, a third driving wheel 18, a gearbox 19, a third driven wheel 20, a fourth driving wheel 21, a fourth driven wheel 22, an operating mechanism 23, a connecting cross bar 24, a connecting frame 25, a supporting frame 26, a flat soil spiral harrow 27, a fifth driven wheel 28, a height limiting wheel 29, a generator 30, a fifth driving wheel 31, a round piling rack 32, a mounting plate 301, a mounting rod 302, an inclined tail end 303, a supporting cylinder 2601, a sliding rod 2602, a cover plate 2603, a lifting screw 2604 and a lifting handle 2605.
Detailed Description
Example 1: as shown in fig. 3, the round pile soil piling mechanism comprises a driving shaft 1, wherein an adjusting transverse frame 2 is arranged at the lower end of the driving shaft 1, mounting frames 3 are arranged at two ends of the adjusting transverse frame 2, a mounting shaft 4 is rotatably mounted on the mounting frames 3 through bearings, conical rakes 5 which are oppositely arranged are arranged at the end parts of the mounting shaft 4, the driving shaft 1 is rotatably mounted on a round pile frame 32, the driving shaft 1 is driven through a driving mechanism, and the driving mechanism can select a driving motor or a motor, a transmission mechanism and the like to drive the driving shaft 1.
The conical harrows 5 are of arc-shaped disc structures, the two groups of conical harrows 5 are obliquely arranged and are in an splayed shape, and arc-shaped concave surfaces of the two groups of conical harrows 5 are oppositely arranged.
Preferably, the mounting frame 3 comprises two groups of mounting plates 301 respectively arranged on the upper side and the lower side of the adjusting transverse frame 2, the two groups of mounting plates 301 are connected through bolts and are pressed on the upper side and the lower side of the adjusting transverse frame 2, the mounting frame 3 is fixed, a mounting rod 302 is arranged at the bottom of the mounting plate 301 on the lower side of the adjusting transverse frame 2, an inclined tail end 303 is arranged at the lower end of the mounting rod 302, a mounting shaft 4 is arranged at the inclined tail end 303, and the mounting shaft 4 is arranged at the vertical inclined tail end 303.
After the bolts arranged between the two groups of mounting plates 301 are loosened, the mounting frame 3 can move along the length direction of the adjusting transverse frame 2, so that the distance between the two groups of conical rakes 5 can be conveniently adjusted, and the size of a soil pile can be conveniently adjusted.
When the device is specifically used, the whole device is moved to a position where soil is required to be piled, the driving mechanism is started to drive the driving shaft 1 to rotate, so that the adjusting transverse frame 2 and the conical harrow 5 are driven to synchronously perform circular motion by taking the driving shaft 1 as a circle center, meanwhile, the conical harrow 5 rotates, and soil is cut and folded upwards in the rotation process of the conical harrow 5, so that a conical soil pile is formed.
Example 2: as shown in fig. 1 to 3, a self-propelled circular pile flat stacker comprises a circular pile soil stacking mechanism described in embodiment 1, a circular pile frame 32 of the circular pile soil stacking mechanism is mounted at an end of a frame 6, specifically, the circular pile frame 32 can be detachably connected with the frame 6 through bolts, so that the circular pile soil stacking mechanism is convenient to disassemble and assemble, and a traveling system is arranged at the bottom of the frame 6.
The driving mechanism comprises a power element 7 arranged on a frame 6, the power element 7 is a diesel engine or a gasoline engine, a supporting shaft 12 is arranged on a round pile frame 32 through a bearing seat, the supporting shaft 12 is transversely arranged, the round pile frame 32 is connected with the frame 6, a driving bevel gear 14 is arranged on the supporting shaft 12, a driven bevel gear 15 meshed with the driving bevel gear 14 is arranged on a driving shaft 1, and the power element 7 drives the supporting shaft 12 through a transmission system.
The power element 7 drives the supporting shaft 12 to rotate through a transmission system, and drives the driving shaft 1 to rotate through the engagement of the driving bevel gear 14 and the driven bevel gear 15, wherein the transmission system can adopt chain transmission or belt transmission.
The transmission system comprises a first driving wheel 8 arranged at the output end of a power element 7, a first driven wheel 10 is arranged at the input end of a speed reducer 9, the first driving wheel 8 and the first driven wheel 10 are driven by a belt or a chain, a second driving wheel 11 is arranged at the output end of the speed reducer 9, a second driven wheel 13 is arranged on a supporting shaft 12, and the second driving wheel 11 and the second driven wheel 13 are driven by the belt or the chain.
In this embodiment, the first driving wheel 8, the first driven wheel 10, the second driving wheel 11 and the second driven wheel 13 are all pulleys, and the first driving wheel 8, the first driven wheel 10 and the second driving wheel 11 and the second driven wheel 13 are driven by belts.
The walking system comprises a walking rotating shaft 16 arranged on a frame 6, walking wheels 17 are arranged at two ends of the walking rotating shaft 16, a third driving wheel 18 is arranged at the output end of a power element 7, a gearbox 19 is arranged on the frame 6, a third driven wheel 20 is arranged at the input end of the gearbox 19, a fourth driving wheel 21 is arranged at the output end of the gearbox 19, a fourth driven wheel 22 is arranged on the walking rotating shaft 16, the third driving wheel 18, the third driven wheel 20 and the fourth driving wheel 21 and the fourth driven wheel 22 are driven by a belt or a chain, and an operating mechanism 23 is arranged at one end, far away from the round pile soil piling mechanism, of the frame 6.
The operating mechanism 23 comprises an operating handle, and a starting controller of the power element 7 can also be arranged on the operating mechanism, so that the power element 7 can be conveniently opened and closed.
When the self-propelled circular pile flat stacker is specifically used, the power element 7 of the self-propelled circular pile flat stacker is started, equipment is moved to an operation position, transmission between the gearbox 19 and the power element 7 is disconnected through the clutch, movement is stopped, one end of the circular pile stacking mechanism is installed and pressed down, the conical harrows 5 are in contact with the ground, two groups of conical harrows 5 perform circular motion by taking the driving shaft 1 as a circle center, meanwhile, the conical harrows 5 perform autorotation, soil is cut and folded upwards in the rotation process of the conical harrows 5, and a conical soil pile is formed. After the soil is piled up, one end of the round pile soil piling mechanism is lifted up, the clutch mechanism of the gearbox 19 is started, the travelling wheel 17 moves, and the operation is repeated after the next operation position is moved.
Example 3: as shown in fig. 4-6, the flat stacking mechanism further comprises a flat stacking mechanism, the flat stacking mechanism comprises a connecting cross rod 24, the upper side of the connecting cross rod 24 is connected with the frame 1 through a connecting frame 25, the connecting frame 25 is connected with the frame 1 through bolts, the disassembly of the flat stacking mechanism is convenient to achieve, two ends of the connecting cross rod 24 are provided with supporting frames 26, two ends of a rotating shaft of a flat soil helical rake 27 are rotatably installed on the supporting frames 26 through bearings, a fifth driven wheel 28 is arranged on the rotating shaft of the flat soil helical rake 27, a fifth driving wheel 31 is arranged at the input end of the speed reducer 9, and the fifth driving wheel 31 and the fifth driven wheel 28 are in transmission through belts or chains.
The flat soil helical rake 27 comprises a rotating shaft and helical blades arranged on the rotating shaft, wherein two groups of helical blades are arranged on two sides of the fifth driven wheel 28 respectively, the helical directions of the two groups of helical blades are opposite, and when the flat soil helical rake 27 rotates, the two groups of helical blades respectively convey soil to two ends of the flat soil helical rake 27, so that a soil pile can be flattened.
A height limiting wheel 29 is arranged on one side of the lower end of the supporting frame 26. By providing the height limiting wheels 29, the movement of the flat soil helical rake 27 is not affected when the soil pile is flattened, and meanwhile, the height of the flat soil helical rake 27 and the ground is ensured, and the soil pile is flattened to a specified height.
Preferably, the support frame 26 includes a support cylinder 2601, the support cylinder 2601 is fixedly connected with the connecting cross bar 24, a sliding rod 2602 is arranged in the support cylinder 2601, the support cylinder 2601 can slide up and down, a rotating shaft of the height limiting wheel 29 is arranged on one side of the lower end of the sliding rod 2602, a cover plate 2603 is arranged at the upper end of the support cylinder 2601, a threaded hole matched with a lifting screw 2604 is formed in the cover plate 2603, the lower end of the lifting screw 2604 is rotatably arranged at the upper end of the sliding rod 2602 through a bearing, and a lifting handle 2605 is arranged at the upper end of the lifting screw 2604.
By rotating the lifting handle 2605, the lifting screw 2604 rotates relative to the sliding rod 2602, so that the lifting screw 2604 is pushed upwards or downwards, the sliding rod 2602 is driven to slide up and down along the supporting cylinder 2601, and the height of the height limiting wheel 29 is adjusted, so that the pushing height is adjusted.
In specific use, the circular pile soil piling mechanism in the embodiment 1 is dismantled, the flat pile mechanism is arranged at the end part of the frame 6, the equipment is started to move to the working position, the flat soil spiral harrow 27 rotates to flatten the soil pile, and the circular pile of soil is flattened to the designated height until the working is finished.
Example 4: the speed reducer 9 is a double-output speed reducer, and the other output end of the speed reducer 9 is connected with the generator 30.
When power generation is required, the clutch of the generator 30 is closed, and the machine is started to generate power.
The circular pile soil piling mechanism and the self-propelled circular pile flat piling machine can drive the conical harrow 5 to move, and harrow the soil into a conical soil pile with a small upper part and a large lower part for planting crops such as wood combs, potatoes, corns and the like.
After the planting season is over, the planted cone soil piles can be flattened again for next season by detaching the round pile soil piling mechanism and installing the flat pile mechanism, and replacing the cone rake 5 with the flat soil spiral rake 27.
When the machine is not used for crop production, the equipment is moved to drive the generator to generate power for other electrical appliances, so that one machine is multipurpose.
Claims (10)
1. The utility model provides a circle pile soil piling mechanism, its characterized in that, including drive shaft (1), drive shaft (1) lower extreme is equipped with adjusts crossbearer (2), and the both ends of adjusting crossbearer (2) are equipped with mounting bracket (3), and mounting shaft (4) rotate and install on mounting bracket (3), and mounting shaft (4) tip is equipped with conical harrow (5) of relative setting, and drive shaft (1) rotate and install on circle pile frame (32), and drive shaft (1) pass through actuating mechanism drive.
2. The round pile soil piling mechanism according to claim 1, wherein the mounting frame (3) comprises two groups of mounting plates (301) which are respectively arranged on the upper side and the lower side of the adjusting transverse frame (2), the two groups of mounting plates (301) are connected through bolts, a mounting rod (302) is arranged at the bottom of the mounting plate (301) on the lower side of the adjusting transverse frame (2), an inclined tail end (303) is arranged at the lower end of the mounting rod (302), and the mounting shaft (4) is arranged at the inclined tail end (303).
3. The self-propelled round pile flat stacker is characterized by comprising the round pile soil stacking mechanism according to any one of claims 1-2, a round pile frame (32) of the round pile soil stacking mechanism is arranged at the end part of a frame (6), and a traveling system is arranged at the bottom of the frame (6).
4. A self-propelled round pile flat stacker as claimed in claim 3, wherein the driving mechanism comprises a power element (7) arranged on the frame (6), the supporting shaft (12) is arranged on the round pile frame (32) through a bearing seat, the supporting shaft (12) is provided with a driving bevel gear (14), the driving shaft (1) is provided with a driven bevel gear (15) meshed with the driving bevel gear (14), and the power element (7) drives the supporting shaft (12) through a transmission system.
5. The self-propelled round pile flat stacker as set forth in claim 4, wherein the transmission system comprises a first driving wheel (8) disposed at an output end of the power element (7), a first driven wheel (10) is disposed at an input end of the speed reducer (9), the first driving wheel (8) and the first driven wheel (10) are driven by a belt or a chain, a second driving wheel (11) is disposed at an output end of the speed reducer (9), a second driven wheel (13) is disposed on the support shaft (12), and the second driving wheel (11) and the second driven wheel (13) are driven by the belt or the chain.
6. The self-propelled round pile flat stacker as claimed in claim 4, wherein the traveling system comprises a traveling rotating shaft (16) arranged on the frame (6), traveling wheels (17) are arranged at two ends of the traveling rotating shaft (16), a third driving wheel (18) is arranged at the output end of the power element (7), a gearbox (19) is arranged on the frame (6), a third driven wheel (20) is arranged at the input end of the gearbox (19), a fourth driving wheel (21) is arranged at the output end of the gearbox (19), a fourth driven wheel (22) is arranged on the traveling rotating shaft (16), transmission is carried out between the third driving wheel (18) and the third driven wheel (20) and between the fourth driving wheel (21) and the fourth driven wheel (22) through a belt or a chain, and an operating mechanism (23) is arranged at one end, far away from the round pile soil stacking mechanism, of the frame (6).
7. The self-propelled round pile flat stacker as set forth in claim 5, further comprising a flat stacker mechanism, wherein the flat stacker mechanism comprises a connecting cross bar (24), the upper side of the connecting cross bar (24) is connected with the frame (6) through a connecting frame (25), the connecting frame (25) is connected with the frame (6) through bolts, supporting frames (26) are arranged at two ends of the connecting cross bar (24), a rotating shaft of the flat soil helical rake (27) is rotatably mounted on the supporting frames (26), a fifth driven wheel (28) is arranged on the rotating shaft of the flat soil helical rake (27), a fifth driving wheel (31) is arranged at the input end of the speed reducer (9), and the fifth driving wheel (31) and the fifth driven wheel (28) are driven through belts or chains.
8. The self-propelled round pile flat stacker as claimed in claim 7, wherein a height limiting wheel (29) is provided on one side of the lower end of the supporting frame (26).
9. The self-propelled round stacking machine according to claim 8, wherein the supporting frame (26) comprises a supporting cylinder (2601), a sliding rod (2602) is arranged in the supporting cylinder (2601), a rotating shaft of the height limiting wheel (29) is arranged on one side of the lower end of the sliding rod (2602), a cover plate (2603) is arranged at the upper end of the supporting cylinder (2601), a threaded hole matched with a lifting screw (2604) is formed in the cover plate (2603), the lower end of the lifting screw (2604) is rotatably arranged at the upper end of the sliding rod (2602), and a lifting handle (2605) is arranged at the upper end of the lifting screw (2604).
10. The self-propelled round pile flat stacker as set forth in claim 5, wherein the speed reducer (9) is a dual-output speed reducer, and the other output end of the speed reducer (9) is connected with the generator (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322231766.8U CN220570924U (en) | 2023-08-18 | 2023-08-18 | Round pile soil piling mechanism and self-propelled round pile flat piling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322231766.8U CN220570924U (en) | 2023-08-18 | 2023-08-18 | Round pile soil piling mechanism and self-propelled round pile flat piling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220570924U true CN220570924U (en) | 2024-03-12 |
Family
ID=90107721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322231766.8U Active CN220570924U (en) | 2023-08-18 | 2023-08-18 | Round pile soil piling mechanism and self-propelled round pile flat piling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220570924U (en) |
-
2023
- 2023-08-18 CN CN202322231766.8U patent/CN220570924U/en active Active
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