CN215912799U - Garden irrigation equipment with adjustable irrigation range - Google Patents
Garden irrigation equipment with adjustable irrigation range Download PDFInfo
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- CN215912799U CN215912799U CN202121866466.1U CN202121866466U CN215912799U CN 215912799 U CN215912799 U CN 215912799U CN 202121866466 U CN202121866466 U CN 202121866466U CN 215912799 U CN215912799 U CN 215912799U
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- 230000002262 irrigation Effects 0.000 title claims abstract description 38
- 238000003973 irrigation Methods 0.000 title claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 105
- 230000005540 biological transmission Effects 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 6
- 238000005507 spraying Methods 0.000 abstract description 24
- 244000309464 bull Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model discloses garden irrigation equipment with adjustable irrigation range, which comprises a base, wherein four universal wheels are fixedly connected to the bottom of the base in a rectangular arrangement manner, the top of the base is fixedly connected with the mounting seat which is of a hollow structure, the top of the mounting seat is connected with two racks in a penetrating and sliding way, and the tops of the two racks are fixedly connected with the same supporting plate. The height of the sleeve can be adjusted, the connecting rod is utilized to jack or pull the soft nozzle, the spraying range can be enlarged or reduced, and the spraying speed is increased, the second motor is started to lift the supporting plate, the height of the soft spray head is adjusted, and the spraying range is further expanded.
Description
Technical Field
The utility model relates to the technical field of gardens, in particular to garden irrigation equipment with an adjustable irrigation range.
Background
Gardens, it means the natural environment and the rest territory of specific cultivation, in certain region application engineering technology and artistic means, through reforming transform topography (or further build the mountain, fold the stone, manage water), plant trees flowers and plants, build the beautiful natural environment and the rest territory that form of building and arranging approaches such as garden way creation, just be called gardens, in chinese traditional building one tree, it is the classical garden building to have a great achievement, an artistic form in traditional chinese culture, it is very deep to receive traditional "happy" culture influence, ask the spiritual culture of human main part through topography, landscape, building crowd, flowers and trees etc. as the carrier, gardens have many epitaxial concepts: garden communities, garden streets, garden cities (ecological cities), national garden counties and the like, modern life styles and living environments have urgent functional and artistic requirements on gardens, and have more and more important functions on modern life and future development directions of people.
Irrigation equipment needs to be used in treegarden irrigation, and irrigation equipment among the prior art can't adjust the spray regime of the shower nozzle of irrigating, leads to spraying the scope limited, irrigates the area not wide enough, needs to irrigate many times, accomplishes the irrigation operation, and is inefficient, so we propose a treegarden irrigation equipment of adjustable irrigation scope for solve the problem that provides.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides garden irrigation equipment with an adjustable irrigation range.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a garden irrigation device with adjustable irrigation range comprises a base, wherein four universal wheels are fixedly connected to the bottom of the base in a rectangular arrangement mode, a mounting seat is fixedly connected to the top of the base and is of a hollow structure, two racks are connected to the top of the mounting seat in a penetrating and sliding mode, the tops of the two racks are fixedly connected with a same supporting plate, a driving assembly used for driving the racks to ascend and descend is arranged inside the mounting seat, a first motor is fixedly embedded into the top of the supporting plate, an L-shaped mounting plate is fixedly sleeved on an output shaft of the first motor, a screw rod is rotatably connected to the top of the L-shaped mounting plate, a water tank is rotatably connected to the top end of the screw rod, a plurality of soft nozzles are communicated with the upper annular arrangement of the water tank, and an adjusting assembly used for adjusting the spraying range of the soft nozzles is arranged on one side of the L-shaped mounting plate, the water tank is characterized in that two supporting rods are symmetrically and fixedly connected to the top of the supporting plate, the two supporting rods are fixedly connected to the top of each supporting rod, the same connecting plate is fixedly connected to the top of each supporting rod, a water pump and a water storage tank are fixedly connected to the top of each connecting plate, the water storage tanks are communicated with water inlets of the water pumps, water outlets of the water pumps are communicated with water inlet pipes, and one ends of the water inlet pipes are in through connection with the top of the water tank.
Preferably, drive assembly includes the second motor of fixed connection in mount pad one side, fixed cover is equipped with the second gear wheel on the output shaft of second motor, one side inner wall of mount pad is rotated through the connecting axle and is connected with first gear wheel, first gear wheel and second gear wheel mesh with two racks respectively mutually, one side inner wall of mount pad is rotated through rotation axis symmetry and is connected with two pinions, the pinion is located the oblique top of first gear wheel and second gear wheel, the first drive wheel of one side fixedly connected with of pinion, the equal fixedly connected with second drive wheel in one side of first gear wheel and second gear wheel, the driving sleeve is equipped with same drive belt on first drive wheel and the second drive wheel.
Preferably, the adjusting part includes the second bevel gear of connecting in L shape mounting panel one side through the bull stick rotation, fixed cover is equipped with the first bevel gear that meshes mutually with the second bevel gear on the screw rod, the threaded sleeve is equipped with the sleeve pipe on the screw rod, the annular is arranged on the sheathed tube outer wall and is provided with a plurality of connecting rods, the fixed cover of one end of connecting rod is established on the outer wall of soft shower nozzle.
Preferably, two support rods are fixedly connected between the bottom of the water tank and the L-shaped mounting plate, two sliding plates are symmetrically and fixedly connected to two sides of the sleeve, and the two sliding plates and the two support rods are connected in a sliding mode in a penetrating mode.
Preferably, a sealing plug is fixedly sleeved at one end of the water inlet pipe extending to the inside of the water tank.
Preferably, the soft nozzle is made of rubber.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the water storage tank is filled with clear water, the water pump is started to pump the clear water in the water storage tank and guide the clear water into the water tank through the water inlet pipe, the sealing plug arranged on the water inlet pipe is used for preventing the clear water from being sprayed out of the water tank, the clear water flows into the soft spray heads and is sprayed out to irrigate gardens, the first motor is started to drive the L-shaped mounting plate to rotate, the L-shaped mounting plate drives the supporting rod to rotate, the supporting rod drives the water tank to rotate, the water tank drives the soft spray heads to rotate to spray the clear water in a large range, and the clear water is thrown farther and in a larger range.
2. In the utility model, the rotating rod is rotated to drive the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the screw rod to rotate, the screw rod drives the sleeve to lift, the sliding plate sleeved on the supporting rod plays a role in limiting the sleeve, the sleeve drives the soft spray head to incline downwards and press the soft spray head by descending and pulling the connecting rod, the spray distance is increased, but the spray range is reduced, otherwise, the connecting rod drives the soft spray head to incline upwards, the soft spray head is also pressed, but the spray height is increased, so that the spray range is increased.
3. In the utility model, a second motor is started to drive a second big gear to rotate, the second big gear drives a second transmission wheel to rotate, the second transmission wheel drives a first transmission wheel to rotate through a transmission belt, the first transmission wheel drives a small gear to rotate, the small gear drives another small gear to rotate, the other small gear drives another first transmission wheel to rotate, the other first transmission wheel drives another second transmission wheel to rotate through the transmission belt, the other second transmission wheel drives a first big gear to rotate, at the moment, the first big gear and the second big gear can rotate in opposite directions to drive two racks to lift, a supporting plate is driven to lift, the height of a soft spray head is adjusted, and the spraying range is further expanded.
The water tank is simple in structure, the water tank can be driven to rotate by starting the first motor, the water tank is used for driving the plurality of soft spray heads to rotate, clear water is thrown farther, the spraying range is wider, the height of the sleeve can be adjusted by rotating the second bevel gear, the soft spray heads are jacked or pulled by the connecting rod, the spraying range can be enlarged or reduced, the spraying speed is increased, the supporting plate can be lifted by starting the second motor, the height of the soft spray heads is adjusted, and the spraying range is further enlarged.
Drawings
Fig. 1 is a front sectional view of a garden irrigating apparatus with adjustable irrigation range according to the present invention;
FIG. 2 is a front sectional view of a water tank of the garden irrigation equipment with adjustable irrigation range according to the present invention;
fig. 3 is a front view of a garden irrigating device with adjustable irrigation range according to the present invention.
In the figure: 1. a base; 2. a mounting seat; 3. a rack; 4. a first bull gear; 5. a sealing plug; 6. a pinion gear; 7. a first drive pulley; 8. a transmission belt; 9. a second transmission wheel; 10. a support plate; 11. a first motor; 12. a strut; 13. an L-shaped mounting plate; 14. a first bevel gear; 15. a second bevel gear; 16. a sleeve; 17. a water tank; 18. a water storage tank; 19. a connecting plate; 20. a water pump; 21. a connecting rod; 22. a flexible nozzle; 23. a screw; 24. a second motor; 25. a water inlet pipe; 26. a second bull gear; 27. a support bar; 28. a sliding plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, a garden irrigation device capable of adjusting irrigation range comprises a base 1, four universal wheels are fixedly connected to the bottom of the base 1 in a rectangular arrangement manner, a mounting seat 2 is fixedly connected to the top of the base 1, the mounting seat 2 is of a hollow structure, two racks 3 are slidably connected to the top of the mounting seat 2 in a penetrating manner, the top of each rack 3 is fixedly connected with a same supporting plate 10, a driving assembly for driving the racks 3 to ascend and descend is arranged inside the mounting seat 2, a first motor 11 is fixedly embedded in the top of each supporting plate 10, an L-shaped mounting plate 13 is fixedly sleeved on an output shaft of the first motor 11, a screw 23 is rotatably connected to the top of each L-shaped mounting plate 13, a water tank 17 is rotatably connected to the top of each screw 23, a plurality of soft nozzles 22 are communicated to the upper annular arrangement of the water tank 17, and an adjusting assembly for adjusting the spraying range of the soft nozzles 22 is arranged on one side of each L-shaped mounting plate 13, the top symmetry fixedly connected with two branches 12 of backup pad 10, the same connecting plate 19 of top fixedly connected with of two branches 12, the top fixedly connected with water pump 20 and the water storage box 18 of connecting plate 19, the water storage box 18 is linked together with the water inlet of water pump 20, the delivery port of water pump 20 communicates there is inlet tube 25, the one end of inlet tube 25 and the top through connection of water pitcher 17.
Example two
The embodiment is improved on the basis of the first embodiment: referring to fig. 1-3, a garden irrigation device capable of adjusting irrigation range comprises a base 1, four universal wheels are fixedly arranged and fixedly connected at the bottom of the base 1 in a rectangular manner, a mounting seat 2 is fixedly connected at the top of the base 1, the mounting seat 2 is of a hollow structure, two racks 3 are connected at the top of the mounting seat 2 in a penetrating and sliding manner, the top of each rack 3 is fixedly connected with a same supporting plate 10, a driving component for driving the racks 3 to ascend and descend is arranged in the mounting seat 2 and comprises a second motor 24 fixedly connected at one side of the mounting seat 2, a second gearwheel 26 is fixedly sleeved on an output shaft of the second motor 24, a first gearwheel 4 is rotatably connected on the inner wall at one side of the mounting seat 2 through a connecting shaft, the first gearwheel 4 and the second gearwheel 26 are respectively meshed with the two racks 3, two pinions 6 are rotatably connected on the inner wall at one side of the mounting seat 2 through a rotating shaft symmetrically, the pinion 6 is positioned above the first gearwheel 4 and the second gearwheel 26 in an oblique direction, one side of the pinion 6 is fixedly connected with a first transmission wheel 7, one sides of the first gearwheel 4 and the second gearwheel 26 are both fixedly connected with a second transmission wheel 9, the first transmission wheel 7 and the second transmission wheel 9 are sleeved with a same transmission belt 8 in a transmission way, a second motor 24 is started to drive the second gearwheel 26 to rotate, the second gearwheel 26 drives the second transmission wheel 9 to rotate, the second transmission wheel 9 drives the first transmission wheel 7 to rotate through the transmission belt 8, the first transmission wheel 7 drives the pinion 6 to rotate, the pinion 6 drives the other pinion 6 to rotate, the other pinion 6 drives the other first transmission wheel 7 to rotate, the other first transmission wheel 7 drives the other second transmission wheel 9 to rotate through the transmission belt 8, and the other second transmission wheel 9 drives the first gearwheel 4 to rotate, at the moment, the first gearwheel 4 and the second gearwheel 26 can rotate in opposite directions to drive the two racks 3 to lift, so as to drive the support plate 10 to lift, so as to adjust the height of the soft spray head 22 and further expand the spraying range, the first motor 11 is fixedly embedded at the top of the support plate 10, the L-shaped mounting plate 13 is fixedly sleeved on the output shaft of the first motor 11, the top of the L-shaped mounting plate 13 is rotatably connected with the screw 23, the top end of the screw 23 is rotatably connected with the water tank 17, two support rods 27 are fixedly connected between the bottom of the water tank 17 and the L-shaped mounting plate 13, two sliding plates 28 are symmetrically and fixedly connected with two sides of the sleeve 16, the two sliding plates 28 and the two support rods 27 are in sliding connection, the upper annular arrangement of the water tank 17 is communicated with the plurality of soft spray heads 22, the soft spray heads 22 are made of rubber, the first motor 11 is started to drive the L-shaped mounting plate 13 to rotate, and the L-shaped mounting plate 13 drives the support rods 27 to rotate, the support rod 27 drives the water tank 17 to rotate, the water tank 17 drives the plurality of soft nozzles 22 to rotate for spraying in a large range, clear water is thrown farther and has a larger range, one side of the L-shaped mounting plate 13 is provided with an adjusting component for adjusting the spraying range of the soft nozzles 22, the adjusting component comprises a second bevel gear 15 which is rotatably connected to one side of the L-shaped mounting plate 13 through a rotating rod, a first bevel gear 14 which is meshed with the second bevel gear 15 is fixedly sleeved on the screw rod 23, a sleeve 16 is sleeved on the screw rod 23 in a threaded manner, a plurality of connecting rods 21 are annularly arranged on the outer wall of the sleeve 16, one end of each connecting rod 21 is fixedly sleeved on the outer wall of the soft nozzle 22, the rotating rod drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the screw rod 23 to rotate, the screw rod 23 drives the sleeve 16 to lift, and a sliding plate 28 which is sleeved on the support rod 27 plays a role in limiting on the sleeve 16, the sleeve 16 drives the soft nozzle 22 to incline downwards and press the soft nozzle 22 by descending and pulling the connecting rod 21, the spraying distance is increased, but the spraying range is reduced, otherwise, the connecting rod 21 drives the soft nozzle 22 to incline upwards and also presses the soft nozzle 22, but the spraying height is increased, thereby the spraying range is increased, the top of the supporting plate 10 is symmetrically and fixedly connected with two supporting rods 12, the top ends of the two supporting rods 12 are fixedly connected with the same connecting plate 19, the top of the connecting plate 19 is fixedly connected with a water pump 20 and a water storage tank 18, the water storage tank 18 is communicated with the water inlet of the water pump 20, the water outlet of the water pump 20 is communicated with a water inlet pipe 25, one end of the water inlet pipe 25 extending to the inside of the water tank 17 is fixedly sleeved with a sealing plug 5, the water pump 20 is started to pump clean water in the water storage tank 18 into the water tank 17 through the water inlet pipe 25, the sealing plug 5 arranged on the water inlet pipe 25 is used for preventing the clean water from being sprayed out from the water tank 17, the clear water flows into the soft nozzle 22 and is sprayed out to irrigate the garden, and one end of the water inlet pipe 25 is connected with the top of the water tank 17 in a penetrating way.
The working principle is as follows: firstly, filling clear water into a water storage tank 18, starting a water pump 20 to pump the clear water in the water storage tank 18 and guide the clear water into a water tank 17 through a water inlet pipe 25, wherein a sealing plug 5 arranged on the water inlet pipe 25 is used for preventing the clear water from being sprayed out from the water tank 17, the clear water flows into a soft spray head 22 to be sprayed out to irrigate gardens, starting a first motor 11 to drive an L-shaped mounting plate 13 to rotate, the L-shaped mounting plate 13 drives a supporting rod 27 to rotate, the supporting rod 27 drives the water tank 17 to rotate, the water tank 17 drives a plurality of soft spray heads 22 to rotate for large-scale spraying, the clear water is thrown farther and is sprayed in a larger range, the rotating rod drives a second bevel gear 15 to rotate, the second bevel gear 15 drives a first bevel gear 14 to rotate, the first bevel gear 14 drives a screw 23 to rotate, the screw 23 drives a sleeve 16 to lift, a sliding plate 28 sleeved on the supporting rod 27 plays a limiting role on the sleeve 16, the sleeve 16 drives the soft spray head 22 to incline downwards and press the soft spray heads 22 by pulling the connecting rod 21 downwards, increasing the spraying distance but reducing the spraying range, otherwise, the connecting rod 21 drives the soft nozzle 22 to tilt upwards and also presses the soft nozzle 22, but the spraying height is increased, thereby increasing the spraying range, starting the second motor 24 to drive the second gearwheel 26 to rotate, the second gearwheel 26 drives the second transmission wheel 9 to rotate, the second transmission wheel 9 drives the first transmission wheel 7 to rotate through the transmission belt 8, the first transmission wheel 7 drives the pinion 6 to rotate, the pinion 6 drives the other pinion 6 to rotate, the other pinion 6 drives the other first transmission wheel 7 to rotate, the other first transmission wheel 7 rotates to drive the other second transmission wheel 9 to rotate through the transmission belt 8, the other second transmission wheel 9 drives the first gearwheel 4 to rotate, at this time, the first gearwheel 4 and the second gearwheel 26 rotate in opposite directions to drive the two racks 3 to lift, the supporting plate 10 is driven to lift and lower, the height of the soft nozzle 22 is adjusted, and the spraying range is further expanded.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The garden irrigation equipment with the adjustable irrigation range comprises a base (1), four universal wheels are fixedly connected to the bottom rectangular arrangement of the base (1), and is characterized in that the top of the base (1) is fixedly connected with an installation seat (2), the installation seat (2) is of a hollow structure, the top of the installation seat (2) is connected with two racks (3) in a penetrating and sliding mode, the two racks (3) are fixedly connected with the same supporting plate (10), a driving assembly used for driving the racks (3) to ascend and descend is arranged inside the installation seat (2), a first motor (11) is fixedly embedded in the top of the supporting plate (10), an L-shaped installation plate (13) is fixedly sleeved on an output shaft of the first motor (11), a screw rod (23) is rotatably connected to the top of the L-shaped installation plate (13), a water tank (17) is rotatably connected to the top of the screw rod (23), the last ring shape of water pitcher (17) is arranged mutually and is communicated and has a plurality of soft shower nozzles (22), one side of L shape mounting panel (13) is provided with the adjusting part who is used for adjusting soft shower nozzle (22) and sprays the scope, two branch (12) of the top symmetry fixedly connected with of backup pad (10), two the same connecting plate (19) of the top fixedly connected with of branch (12), the top fixedly connected with water pump (20) and water storage box (18) of connecting plate (19), the water inlet of water storage box (18) and water pump (20) is linked together, the delivery port of water pump (20) is communicated mutually and is had inlet tube (25), the one end of inlet tube (25) and the top through connection of water pitcher (17).
2. The garden irrigation equipment with the adjustable irrigation range as claimed in claim 1, wherein the driving assembly comprises a second motor (24) fixedly connected to one side of the mounting base (2), a second gearwheel (26) is fixedly sleeved on an output shaft of the second motor (24), a first gearwheel (4) is rotatably connected to an inner wall of one side of the mounting base (2) through a connecting shaft, the first gearwheel (4) and the second gearwheel (26) are respectively engaged with the two racks (3), two pinions (6) are rotatably connected to an inner wall of one side of the mounting base (2) through rotation axes, the pinions (6) are located obliquely above the first gearwheel (4) and the second gearwheel (26), a first driving wheel (7) is fixedly connected to one side of the pinions (6), and a second driving wheel (9) is fixedly connected to both one side of the first gearwheel (4) and one side of the second gearwheel (26), the first transmission wheel (7) and the second transmission wheel (9) are sleeved with the same transmission belt (8).
3. The garden irrigation equipment with the adjustable irrigation range as defined in claim 1, wherein the adjusting assembly comprises a second bevel gear (15) rotatably connected to one side of the L-shaped mounting plate (13) through a rotating rod, a first bevel gear (14) meshed with the second bevel gear (15) is fixedly sleeved on the screw rod (23), a sleeve (16) is sleeved on the screw rod (23) in a threaded manner, a plurality of connecting rods (21) are annularly arranged on the outer wall of the sleeve (16), and one end of each connecting rod (21) is fixedly sleeved on the outer wall of the corresponding soft nozzle (22).
4. The adjustable irrigation range garden irrigation device as claimed in claim 3, wherein two support rods (27) are fixedly connected between the bottom of the water tank (17) and the L-shaped mounting plate (13), two sliding plates (28) are symmetrically and fixedly connected to two sides of the sleeve (16), and the two sliding plates (28) and the two support rods (27) are connected in a sliding manner.
5. The adjustable irrigation range garden irrigation device as claimed in claim 1, wherein the end of the water inlet pipe (25) extending to the inside of the water tank (17) is fixedly sleeved with a sealing plug (5).
6. The adjustable irrigation range garden irrigation device as claimed in claim 1, wherein the flexible nozzle (22) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121866466.1U CN215912799U (en) | 2021-08-10 | 2021-08-10 | Garden irrigation equipment with adjustable irrigation range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121866466.1U CN215912799U (en) | 2021-08-10 | 2021-08-10 | Garden irrigation equipment with adjustable irrigation range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215912799U true CN215912799U (en) | 2022-03-01 |
Family
ID=80422344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121866466.1U Expired - Fee Related CN215912799U (en) | 2021-08-10 | 2021-08-10 | Garden irrigation equipment with adjustable irrigation range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215912799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653147A (en) * | 2022-05-01 | 2022-06-24 | 任骏 | A dust suppression device for coal mining environment |
| CN115918503A (en) * | 2022-12-06 | 2023-04-07 | 中国地质大学（北京） | Wisdom is soil humidity control system for sprinkling irrigation |
-
2021
- 2021-08-10 CN CN202121866466.1U patent/CN215912799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653147A (en) * | 2022-05-01 | 2022-06-24 | 任骏 | A dust suppression device for coal mining environment |
| CN115918503A (en) * | 2022-12-06 | 2023-04-07 | 中国地质大学（北京） | Wisdom is soil humidity control system for sprinkling irrigation |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |
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| CF01 | Termination of patent right due to non-payment of annual fee |