CN220799424U - Agricultural machinery irrigation equipment that precipitation distributes evenly - Google Patents
Agricultural machinery irrigation equipment that precipitation distributes evenly Download PDFInfo
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- CN220799424U CN220799424U CN202322290060.9U CN202322290060U CN220799424U CN 220799424 U CN220799424 U CN 220799424U CN 202322290060 U CN202322290060 U CN 202322290060U CN 220799424 U CN220799424 U CN 220799424U
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- 238000003973 irrigation Methods 0.000 title claims abstract description 61
- 230000002262 irrigation Effects 0.000 title claims abstract description 61
- 238000001556 precipitation Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000009826 distribution Methods 0.000 claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 41
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000005507 spraying Methods 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 14
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of agricultural machinery irrigation equipment, and discloses an agricultural machinery irrigation device with uniform precipitation distribution. This uniform agricultural machine irrigation equipment of precipitation distributes drives draw groove up-and-down reciprocating motion through chuck and pawl and reset spring when the runner wheel rotates to drive horizontal plate left and right reciprocating motion through driving gear and driving gear, and then inhale the water in the water storage tank through promoting the piston, then spout through the shower nozzle, and can be according to the rotation rate of runner wheel, the very big improvement water utilization ratio of precipitation, precipitation is more even simultaneously, has improved the efficiency of irrigation to a certain extent, avoids the crop growth difference because the precipitation is different causes.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery irrigation equipment, in particular to an agricultural machinery irrigation device with uniform precipitation distribution.
Background
The ground irrigation and drainage machine comprises a water lifting irrigation and drainage machine set and a siphon irrigation machine set. The agricultural power machine or natural energy source is used to drive water pump to pump water from river, lake, reservoir, pond and well to irrigate farm field or from farm field, ditch, canal and pond to drain water, especially to drain waterlogging. Agricultural machinery irrigation modes can be generally classified into conventional ground irrigation and ordinary spray irrigation. Traditional ground irrigation comprises furrow irrigation, flood irrigation and flood irrigation, and the common spray irrigation technology is a common irrigation mode in Chinese agricultural production.
However, the ground irrigation mode is often high in water consumption and low in water utilization rate, and is an unreasonable agricultural irrigation mode. In addition, the water utilization efficiency of the common spray irrigation technology is not high, the precipitation amount is often insufficient or uneven, the requirement of crops on water cannot be met, the crops are easy to dry up or excessive water is easily caused, and the irrigation efficiency is low, so that an agricultural machinery irrigation device with even precipitation distribution is provided to solve the problems.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an agricultural machinery irrigation device with uniform precipitation, which has the advantages of high water utilization efficiency, uniform precipitation and high irrigation efficiency, and solves the problems of low water utilization rate, uneven precipitation and low irrigation efficiency.
(II) technical scheme
In order to achieve the purposes of high water utilization efficiency, uniform precipitation and high irrigation efficiency, the utility model provides the following technical scheme: the utility model provides an agricultural machine irrigation equipment that precipitation distributes evenly, includes intermittent type pulling mechanism, intermittent type pulling mechanism includes the chuck, the right side meshing of chuck has the pawl, the one end rotation that the chuck was kept away from to the pawl is connected with the draw groove, the draw groove is close to one side welding of pawl has fixed spring.
The irrigation driving mechanism comprises a fixed rack, a reset spring is welded on the upper side of the fixed rack, a driving gear is meshed on the inner side of the fixed rack, a driving belt is connected with the front transmission of the driving gear, a driving gear is connected with the inner side transmission of the driving belt, and a transverse plate is meshed on the upper side of the driving gear.
The water storage device comprises a water spraying tank, wherein a water storage tank is welded on the upper side of the water spraying tank, connecting pipes are welded on the two sides of the water storage tank, a traveling wheel is connected to the bottom of the water spraying tank in a rotating mode, a pushing piston is connected to the inside of the water spraying tank in a sliding mode, a sliding rail is connected to the upper side of an irrigation driving mechanism in a sliding mode, a fixing rod is welded on the upper side of the sliding rail, and spray heads are welded on the two sides of the water spraying tank.
Preferably, the intermittent pulling mechanism is provided with two groups, and the intermittent pulling mechanism is symmetrically distributed on two sides of the bottom of the water spraying tank, wherein the chuck is fixedly arranged on the front surface of the traveling wheel, and the pull groove is slidably connected in the water spraying tank and is mutually perpendicular to the water spraying tank.
Preferably, four clamping blocks with the same interval are arranged on the surface of the chuck and are matched with the pawl, the pawl is rotationally connected to the front surface of the pull groove close to one side of the chuck, one end of the fixing spring is fixedly connected with the pull groove, and the other end of the fixing spring is fixedly connected with the pawl.
Preferably, the fixed rack is fixedly arranged in the pull groove, the reset spring is fixedly arranged on the inner wall of the water spraying tank, the driving gear and the driving gear are both rotationally connected in the water spraying tank, the transverse plate is slidingly connected in the sliding rail, and the two ends of the transverse plate are fixedly connected with the pushing piston.
Preferably, the fixed rack, the reset spring, the driving gear and the driving belt are all provided with two driving gears and have the same specification and are symmetrically distributed, wherein the driving gears are meshed with the fixed rack, the driving belt is respectively connected with the driving gears on two sides in a driving way, and teeth are arranged at the bottom of the transverse plate and meshed with the driving gears.
Preferably, the two connecting pipes are provided with the same specification and symmetrically distributed on two sides of the water storage tank, and the upper side of the water spraying tank is provided with holes matched with the connecting pipes.
Preferably, the size of the pushing piston is matched with the size of the inside of the water spraying box and is in sliding connection with the water spraying box, and the spray head is fixedly arranged on one side, far away from the pushing piston, of the water spraying box.
(III) beneficial effects
Compared with the prior art, the utility model provides an agricultural machinery irrigation device with uniform precipitation distribution, which has the following beneficial effects:
This uniform agricultural machine irrigation equipment of precipitation distributes drives draw groove up-and-down reciprocating motion through chuck and pawl and reset spring when the runner wheel rotates to drive horizontal plate left and right reciprocating motion through driving gear and driving gear, and then inhale the water in the water storage tank through promoting the piston, then spout through the shower nozzle, and can be according to the rotation rate of runner wheel, the very big improvement water utilization ratio of precipitation, precipitation is more even simultaneously, has improved the efficiency of irrigation to a certain extent, avoids the crop growth difference because the precipitation is different causes.
Drawings
FIG. 1 is a schematic diagram of the connection of the structures of the present utility model;
FIG. 2 is a schematic diagram showing the connection of the structures in the intermittent pulling mechanism of the present utility model;
FIG. 3 is a schematic diagram showing the connection of the irrigation driving mechanism and the pull trough structure according to the present utility model.
In the figure: 1. a water spray tank; 2. a water storage tank; 3. a connecting pipe; 4. a running wheel; 5. an intermittent pulling mechanism; 6. an irrigation driving mechanism; 7. pushing the piston; 8. a slide rail; 9. a fixed rod; 10. a spray head; 51. a chuck; 52. a pawl; 53. drawing a groove; 54. a fixed spring; 61. a fixed rack; 62. a return spring; 63. a drive gear; 64. a transmission belt; 65. a drive gear; 66. and a transverse plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
Referring to fig. 1 and 2, an agricultural machinery irrigation device with uniform precipitation distribution comprises an intermittent pulling mechanism 5, wherein the intermittent pulling mechanism 5 comprises a chuck 51, a pawl 52 is meshed with the right side of the chuck 51, one end of the pawl 52, which is far away from the chuck 51, is rotationally connected with a pull groove 53, two groups of intermittent pulling mechanisms 5 are symmetrically distributed on two sides of the bottom of a water spraying tank 1, the chuck 51 is fixedly arranged on the front surface of a traveling wheel 4, the pull groove 53 is slidingly connected inside the water spraying tank 1 and is mutually perpendicular to the water spraying tank 1, one side, close to the pawl 52, of the pull groove 53 is welded with a fixed spring 54, four clamping blocks with the same interval are matched with the pawl 52, the pawl 52 is rotationally connected with the front surface of the pull groove 53, one end of the fixed spring 54 is fixedly connected with the pull groove 53, and the other end of the fixed spring 54 is fixedly connected with the pawl 52;
Including water spray tank 1, water storage tank 2 has been welded to the upside of water spray tank 1, the welding of the both sides of water storage tank 2 has connecting pipe 3, connecting pipe 3 is provided with two altogether and the specification is the same, the symmetric distribution is in the both sides of water storage tank 2, and the upside of water spray tank 1 is provided with hole and connecting pipe 3 looks adaptation, the bottom rotation of water spray tank 1 is connected with driving wheel 4, the inside sliding connection of water spray tank 1 has promotion piston 7, the upper side sliding connection of irrigation actuating mechanism 6 has slide rail 8, the upside welding of slide rail 8 has dead lever 9, the both sides welding of water spray tank 1 has shower nozzle 10, the size of promotion piston 7 and the inside size looks adaptation of water spray tank 1 to with water spray tank 1 sliding connection, shower nozzle 10 then fixed mounting is kept away from the one side of promotion piston 7 at water spray tank 1.
Embodiment two:
Referring to fig. 1 and 3, an agricultural machinery irrigation device with uniform precipitation distribution further comprises an irrigation driving mechanism 6 for driving the intermittent pulling mechanism 5 to move, wherein the irrigation driving mechanism 6 comprises a fixed rack 61, a return spring 62 is welded on the upper side of the fixed rack 61, a driving gear 63 is meshed with the inner side of the fixed rack 61, the fixed rack 61 is fixedly arranged in a pull groove 53, the return spring 62 is fixedly arranged on the inner wall of a water spraying tank 1, the driving gear 63 and the driving gear 65 are rotatably connected in the water spraying tank 1, a transverse plate 66 is slidingly connected in a sliding rail 8, two ends of the transverse plate are fixedly connected with a pushing piston 7, a transmission belt 64 is connected with the front transmission of the driving gear 63, a driving gear 65 is connected with the inner side transmission of the transmission belt 64, a transverse plate 66 is meshed on the upper side of the driving gear 65, the fixed rack 61, the return spring 62, the driving gear 63 and the transmission belt 64 are respectively provided with two driving gears 63 with the same specification and are symmetrically distributed, wherein the driving gears 63 are meshed with the fixed rack 61, the transmission belt 64 is respectively in transmission connection with the driving gears 65 and the driving gears 63 on two sides, and the bottoms of the transverse plate 66 are provided with the teeth meshed with the driving gears 65;
Including water spray tank 1, water storage tank 2 has been welded to the upside of water spray tank 1, the welding of the both sides of water storage tank 2 has connecting pipe 3, connecting pipe 3 is provided with two altogether and the specification is the same, the symmetric distribution is in the both sides of water storage tank 2, and the upside of water spray tank 1 is provided with hole and connecting pipe 3 looks adaptation, the bottom rotation of water spray tank 1 is connected with driving wheel 4, the inside sliding connection of water spray tank 1 has promotion piston 7, the upper side sliding connection of irrigation actuating mechanism 6 has slide rail 8, the upside welding of slide rail 8 has dead lever 9, the both sides welding of water spray tank 1 has shower nozzle 10, the size of promotion piston 7 and the inside size looks adaptation of water spray tank 1 to with water spray tank 1 sliding connection, shower nozzle 10 then fixed mounting is kept away from the one side of promotion piston 7 at water spray tank 1.
Embodiment III:
Referring to fig. 1-3, an agricultural machinery irrigation device with uniform precipitation distribution comprises an intermittent pulling mechanism 5, wherein the intermittent pulling mechanism 5 comprises a chuck 51, a pawl 52 is meshed with the right side of the chuck 51, one end of the pawl 52 far away from the chuck 51 is rotationally connected with a pull groove 53, two groups of intermittent pulling mechanisms 5 are symmetrically distributed on two sides of the bottom of a water spraying box 1, the chuck 51 is fixedly arranged on the front surface of a traveling wheel 4, the pull groove 53 is slidingly connected inside the water spraying box 1 and is mutually perpendicular to the water spraying box 1, one side, close to the pawl 52, of the pull groove 53 is welded with a fixed spring 54, four clamping blocks with the same interval are matched with the pawl 52, the pawl 52 is rotationally connected to the front surface of the pull groove 53 close to one side of the chuck 51, one end of the fixed spring 54 is fixedly connected with the pull groove 53, and the other end of the fixed spring 54 is fixedly connected with the pawl 52;
The irrigation driving mechanism 6 is used for driving the intermittent pulling mechanism 5 to move, the irrigation driving mechanism 6 comprises a fixed rack 61, a reset spring 62 is welded on the upper side of the fixed rack 61, a driving gear 63 is meshed on the inner side of the fixed rack 61, the fixed rack 61 is fixedly arranged in a pull groove 53, the reset spring 62 is fixedly arranged on the inner wall of the water spraying tank 1, the driving gear 63 and the driving gear 65 are both rotationally connected in the water spraying tank 1, a transverse plate 66 is slidingly connected in the sliding rail 8, two ends of the transverse plate 66 are fixedly connected with the pushing piston 7, a driving belt 64 is in front transmission connection with the driving gear 65, a transverse plate 66 is meshed on the upper side of the driving gear 65, the fixed rack 61, the reset spring 62, the driving gear 63 and the driving belt 64 are all provided with two driving gears and have the same specification and are symmetrically distributed, the driving gear 63 is meshed with the fixed rack 61, the driving belt 64 is respectively in transmission connection with the driving gear 65 and the driving gears 63 on two sides, and the bottom of the transverse plate 66 is provided with teeth meshed with the driving gear 65;
Including water spray tank 1, water storage tank 2 has been welded to the upside of water spray tank 1, the welding of the both sides of water storage tank 2 has connecting pipe 3, connecting pipe 3 is provided with two altogether and the specification is the same, the symmetric distribution is in the both sides of water storage tank 2, and the upside of water spray tank 1 is provided with hole and connecting pipe 3 looks adaptation, the bottom rotation of water spray tank 1 is connected with driving wheel 4, the inside sliding connection of water spray tank 1 has promotion piston 7, the upper side sliding connection of irrigation actuating mechanism 6 has slide rail 8, the upside welding of slide rail 8 has dead lever 9, the both sides welding of water spray tank 1 has shower nozzle 10, the size of promotion piston 7 and the inside size looks adaptation of water spray tank 1 to with water spray tank 1 sliding connection, shower nozzle 10 then fixed mounting is kept away from the one side of promotion piston 7 at water spray tank 1.
When crops are irrigated, water is firstly injected into the water storage tank 2, then the motor drives the travelling wheel 4 to rotate, and the travelling wheel is moved at two sides of the crops to be irrigated, as the chuck 51 is fixedly arranged at the front surface of the travelling wheel 4, and the surface of the chuck 51 is provided with a clamping block matched with the pawl 52, the pawl 52 is rotationally connected at the front surface of the pull groove 53 close to one side of the chuck 51, one end of the fixed spring 54 is fixedly connected with the pull groove 53, and the other end is fixedly connected with the pawl 52, namely, the travelling wheel 4 rotates and drives the pull groove 53 to move downwards through the chuck 51 and the pawl 52, and when the clamping block is separated from the pawl 52, the pull groove 53 returns to the initial position under the action of the reset spring 62, so that the up-down reciprocating movement of the pull groove 53 is completed;
Meanwhile, as the fixed rack 61 is fixedly arranged in the pull groove 53, the driving gear 63 is meshed with the fixed rack 61, the transmission belt 64 is respectively connected with the driving gear 65 and the driving gears 63 on the two sides in a transmission way, namely, the pull groove 53 reciprocates up and down to drive the driving gear 63 to reciprocate so as to drive the driving gear 65 to synchronously reciprocate, as the bottom of the transverse plate 66 is provided with teeth which are meshed with the driving gear 65, the transverse plate 66 is in sliding connection with the inside of the sliding rail 8, the two ends of the transverse plate are fixedly connected with the pushing piston 7, namely, the driving gear 65 reciprocates to drive the transverse plate 66 to reciprocate left and right in the sliding rail 8, so as to drive the pushing pistons 7 on the two sides to reciprocate left and right, water in the water storage tank 2 is sucked into the water spraying tank 1 through the connecting pipe 3 and sprayed out through the spray head 10, and the rotating speed of the running wheel 4 is relatively high, the intermittent pulling mechanism 5 on the left is operated, and the intermittent pulling mechanism 5 on the right is operated, otherwise the device is not operated, so that the device is ensured to work.
In summary, this agricultural machine irrigation equipment that precipitation distributes evenly, pass through chuck 51 and pawl 52 and reset spring 62 drive draw groove 53 reciprocating motion from top to bottom in the pivoted of driving wheel 4, thereby drive diaphragm 66 left and right sides reciprocating motion through driving gear 63 and driving gear 65, and then inhale the water in the water storage tank 2 through promoting piston 7, then spout through shower nozzle 10, and can be according to the rotation rate of driving wheel 4, very big improvement the water utilization ratio, the precipitation is more even simultaneously, the efficiency of irrigation has been improved to a certain extent, avoid the crop growth difference because the precipitation is different.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An agricultural machine irrigation device with uniform precipitation distribution, which is characterized in that: the automatic clamping device comprises an intermittent pulling mechanism (5), wherein the intermittent pulling mechanism (5) comprises a chuck (51), a pawl (52) is meshed with the right side of the chuck (51), one end, far away from the chuck (51), of the pawl (52) is rotationally connected with a pulling groove (53), and one side, close to the pawl (52), of the pulling groove (53) is welded with a fixing spring (54).
2. An agricultural machinery irrigation device with uniform precipitation distribution according to claim 1, wherein: still including being used for the irrigation actuating mechanism (6) of transmission intermittent type pulling mechanism (5) motion, irrigation actuating mechanism (6) are including fixed rack (61), reset spring (62) have been welded to the upside of fixed rack (61), the inboard meshing of fixed rack (61) has driving gear (63), the positive transmission of driving gear (63) is connected with drive belt (64), the inboard transmission of drive belt (64) is connected with drive gear (65), the upside meshing of drive gear (65) has diaphragm (66).
3. An agricultural machinery irrigation device with uniform precipitation distribution according to claim 2, wherein: still include spray tank (1), the upside welding of spray tank (1) has water storage tank (2), the both sides welding of water storage tank (2) has connecting pipe (3), the bottom rotation of spray tank (1) is connected with driving wheel (4), the inside sliding connection of spray tank (1) has promotion piston (7), the upside sliding connection of irrigation actuating mechanism (6) has slide rail (8), the upside welding of slide rail (8) has dead lever (9), the both sides welding of spray tank (1) has shower nozzle (10).
4. An agricultural machinery irrigation device according to claim 3, wherein the precipitation is uniformly distributed, and wherein: the intermittent pulling mechanism (5) is provided with two groups, the two groups are symmetrically distributed on two sides of the bottom of the water spraying box (1), the chuck (51) is fixedly arranged on the front surface of the traveling wheel (4), and the pull groove (53) is slidably connected in the water spraying box (1) and is perpendicular to the water spraying box (1).
5. An agricultural machinery irrigation device with uniform precipitation distribution according to claim 1, wherein: four clamping blocks with the same interval are arranged on the surface of the chuck (51) and are matched with the pawl (52), the pawl (52) is rotationally connected to the front surface of a pull groove (53) close to one side of the chuck (51), one end of a fixed spring (54) is fixedly connected with the pull groove (53), and the other end of the fixed spring is fixedly connected with the pawl (52).
6. An agricultural machinery irrigation device according to claim 3, wherein the precipitation is uniformly distributed, and wherein: the fixed rack (61) is fixedly arranged in the pull groove (53), the reset spring (62) is fixedly arranged on the inner wall of the water spraying tank (1), the driving gear (63) and the driving gear (65) are both rotationally connected in the water spraying tank (1), the transverse plate (66) is slidingly connected in the sliding rail (8), and the two ends of the transverse plate are fixedly connected with the pushing piston (7).
7. An agricultural machinery irrigation device with uniform precipitation distribution according to claim 2, wherein: the fixed racks (61), the reset springs (62), the driving gears (63) and the transmission belts (64) are all provided with two gears and have the same specification and are symmetrically distributed, wherein the driving gears (63) are meshed with the fixed racks (61), the transmission belts (64) are respectively connected with the driving gears (65) and the driving gears (63) on two sides in a transmission mode, and teeth are arranged at the bottoms of the transverse plates (66) and meshed with the driving gears (65).
8. An agricultural machinery irrigation device according to claim 3, wherein the precipitation is uniformly distributed, and wherein: the two connecting pipes (3) are provided with the same specification, the two connecting pipes are symmetrically distributed on two sides of the water storage tank (2), and the upper side of the water spraying tank (1) is provided with holes matched with the connecting pipes (3).
9. An agricultural machinery irrigation device according to claim 3, wherein the precipitation is uniformly distributed, and wherein: the size of the pushing piston (7) is matched with the size inside the water spraying box (1), the pushing piston is in sliding connection with the water spraying box (1), and the spray head (10) is fixedly arranged on one side, far away from the pushing piston (7), of the water spraying box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322290060.9U CN220799424U (en) | 2023-08-25 | 2023-08-25 | Agricultural machinery irrigation equipment that precipitation distributes evenly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322290060.9U CN220799424U (en) | 2023-08-25 | 2023-08-25 | Agricultural machinery irrigation equipment that precipitation distributes evenly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220799424U true CN220799424U (en) | 2024-04-19 |
Family
ID=90698936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322290060.9U Active CN220799424U (en) | 2023-08-25 | 2023-08-25 | Agricultural machinery irrigation equipment that precipitation distributes evenly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220799424U (en) |
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2023
- 2023-08-25 CN CN202322290060.9U patent/CN220799424U/en active Active
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