CN216650817U - Portable irrigation and water conservancy sprinkling irrigation equipment - Google Patents

Portable irrigation and water conservancy sprinkling irrigation equipment Download PDF

Info

Publication number
CN216650817U
CN216650817U CN202123354534.9U CN202123354534U CN216650817U CN 216650817 U CN216650817 U CN 216650817U CN 202123354534 U CN202123354534 U CN 202123354534U CN 216650817 U CN216650817 U CN 216650817U
Authority
CN
China
Prior art keywords
water
fixed
rod
rotating
water spraying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123354534.9U
Other languages
Chinese (zh)
Inventor
王丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Nengfa Construction Engineering Co ltd
Original Assignee
Anhui Nengfa Construction Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Nengfa Construction Engineering Co ltd filed Critical Anhui Nengfa Construction Engineering Co ltd
Priority to CN202123354534.9U priority Critical patent/CN216650817U/en
Application granted granted Critical
Publication of CN216650817U publication Critical patent/CN216650817U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Landscapes

  • Special Spraying Apparatus (AREA)

Abstract

The utility model relates to the technical field of irrigation and water conservancy, and discloses a movable irrigation and water conservancy sprinkling irrigation device which comprises a bottom plate, wherein a water tank, a water pump and sprinkling equipment are respectively installed at the top of the bottom plate, the sprinkling equipment is positioned on one side of the water pump, the water pump is positioned on one side of the water tank, the sprinkling equipment comprises a rotating machine mechanism, a lifting mechanism and a water spraying mechanism, the water spraying mechanism is installed at the top of the lifting mechanism, and the lifting mechanism is installed at the top of the rotating machine mechanism. In the process of adjusting the sprinkling irrigation device, the lifting rod can be extended in the fixed rod, so that the lifting rod can drive the water spraying rod to rise, the water spraying head driven by the water spraying rod can spray water, the water spraying head can spray water for a longer distance, the sprinkling area for spraying the farmland is expanded, and the using effect of the sprinkling irrigation device is improved.

Description

Movable irrigation and water conservancy sprinkling irrigation device
Technical Field
The utility model relates to the technical field of irrigation and water conservancy, in particular to a movable irrigation and water conservancy sprinkling irrigation device.
Background
In the process of spraying the farmland, because the region that present sprinkler sprayed the farmland is smaller, the result of use is relatively poor, so need use one kind can adjust the sprinkling irrigation equipment who sprays the regional size in farmland.
Some sprinkler irrigation devices currently on the market:
(1) at the in-process that sprays to the farmland, the region that sprays is less to the farmland usually, and current sprinkling irrigation equipment does not have the adjustment and sprays regional size adjustment's function to the farmland.
(2) When moving the sprinkling irrigation equipment, because the weight ratio of sprinkling irrigation equipment is more kind, inconvenient when moving, the inconvenient function of moving of current sprinkling irrigation equipment.
We have therefore proposed a mobile irrigation rig to facilitate the solution of the problems set out above.
Summary of the utility model
Technical problem to be solved
Aiming at the defects of the prior art in the background art, the utility model aims to provide a movable type irrigation and water conservancy sprinkling irrigation device to solve the problems that the size of a sprinkling area of a farmland cannot be adjusted and the sprinkling area is inconvenient to move in some movable type irrigation and water conservancy sprinkling irrigation devices in the market at present proposed in the background art.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a movable irrigation and water conservancy sprinkling irrigation device comprises a bottom plate, wherein a water tank, a water pump and sprinkling equipment are respectively installed at the top of the bottom plate, the sprinkling equipment is positioned at one side of the water pump, the water pump is positioned at one side of the water tank, the sprinkling equipment comprises a rotating machine mechanism, a lifting mechanism and a water sprinkling mechanism, the water sprinkling mechanism is installed at the top of the lifting mechanism, and the lifting mechanism is installed at the top of the rotating machine mechanism;
the water spraying mechanism comprises a water spraying rod, a water spraying pipe, a connector, a water spraying head and fixing blocks, wherein two ends of the water spraying pipe are fixed inside the water spraying rod through the fixing blocks;
the lifting mechanism comprises a fixed rod and a lifting rod, the lower part of the lifting rod is vertically and slidably arranged in the fixed rod, and the top of the lifting rod penetrates through the top wall of the fixed rod and is fixed with the center of the bottom of the water spray rod;
the rotating mechanism comprises a rotating box, a rotating block, a gear, a sector gear and a motor, wherein a rotating groove is formed in the top of the rotating box, the rotating block and the gear are respectively fixed on the outer surface of a fixed rod, the gear is located on the lower portion of the rotating block, the fixed rod is rotatably connected with the rotating groove in the top of the rotating box through the rotating block, the sector gear is fixed to the output end of the motor, the output end of the motor drives the sector gear to be meshed with the outer surface of the gear when the sector gear is driven to rotate for a circle, the motor is fixed to the bottom of the rotating box, and the rotating box is fixed to one side of the top of the bottom plate;
the pumping end of water pump is fixed with the drinking-water pipe, the drinking-water pipe extends to the inside of water tank, the play water end of water pump is fixed with the bellows, the one end and the connector of bellows are fixed.
Furthermore, first limiting grooves are symmetrically fixed on the outer surface of the lower portion of the lifting rod, a limiting assembly is mounted on the outer surface of each first limiting groove, each limiting assembly comprises a first spring and a clamping block, one end of each clamping block is slidably mounted inside each first limiting groove, the other end of each clamping block penetrates through each first limiting groove and extends to the outer side of the lifting rod, and two ends of each first spring are respectively fixed to the side wall of each first limiting groove and one side of each clamping block;
the outer surface of the fixed rod is symmetrically provided with a plurality of clamping holes matched with the clamping blocks, and the lifting rod is clamped with two of the clamping holes in the outer surface of the fixed rod through two clamping blocks in the outer surface of the lower portion.
Furthermore, a plurality of second limiting grooves are formed in the rotating block in an annular array mode, a second limiting assembly is arranged in each second limiting groove, each second limiting assembly comprises a steel ball and a second spring, the steel balls are arranged in the second limiting grooves in a rolling mode, part of outer surfaces of the steel balls extend to the outer side of the rotating block through the second limiting grooves, one end of each second spring is fixed with the side wall of each second limiting groove, and the other end of each second spring is attached to the outer surface of each steel ball;
the inner wall of the rotating groove is provided with a plurality of arc-shaped clamping grooves matched with the steel balls in an annular array mode, and the rotating block is clamped with the steel balls on the inner wall of the rotating groove through the arc-shaped clamping grooves.
Preferably, a plurality of moving wheels are fixed at the corners of the bottom plate, a wear-resistant rubber sleeve is arranged on the outer surface of each moving wheel,
preferably, a pushing handle is defined on one side of the bottom plate, and a wear-resistant rubber sleeve is fixed on the outer surface of the pushing handle.
(III) advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
(1) in the process of adjusting the sprinkling irrigation device, the lifting rod can be extended in the fixed rod, so that the lifting rod can drive the water spraying rod to lift, the water spraying head driven by the water spraying rod can spray water, the water spraying head can spray water for a longer distance, the area sprayed to a farmland is expanded, and the using effect of the sprinkling irrigation device is improved.
(2) Can also make the output of motor can drive sector gear and rotate to sector gear can drive the gear and rotate, make the gear can drive dead lever, lifter and water spray rod in proper order and rotate, thereby the water spray rod can drive a plurality of sprinkler bead and rotate, thereby can carry out the work of adjusting according to the region of spraying to the farmland, promote sprinkling irrigation equipment's result of use once more.
(3) In the process of moving the sprinkling irrigation device, the movable wheel is matched with the pushing handle to move the sprinkling irrigation device, so that the sprinkling irrigation device is convenient to move, and the labor amount of workers is reduced.
Drawings
FIG. 1 is a schematic view of the front view of the mobile irrigation and water conservancy sprinkling irrigation device of the present invention;
FIG. 2 is a schematic view of the internal structure of a rotary box in the mobile irrigation and water conservancy spraying and filling device of the utility model;
FIG. 3 is a schematic view of the sectional structure of the movable irrigation and water conservancy sprinkling irrigation system with the connection between the fixed rods and the lifting rods;
FIG. 4 is a schematic cross-sectional view of a rotating block of the mobile irrigation and water conservancy sprinkling irrigation apparatus of the present invention;
FIG. 5 is a schematic side view of a water spray bar in the mobile irrigation and water conservancy spray filling apparatus according to the present invention;
fig. 6 is a schematic view of the internal structure of a water spray rod in the mobile irrigation and water conservancy spray filling device.
In the figure: the water spray device comprises a bottom plate 1, a water tank 2, a water pump 3, a corrugated pipe 4, a rotating box 5, a fixing rod 6, a clamping hole 61, a lifting rod 7, a first spring 71, a clamping block 72, a water spray rod 8, a water spray pipe 9, a connector 10, a water spray head 11, a fixing block 12, a rotating block 13, a steel ball 131, a second spring 132, a gear 14, a sector gear 15, a motor 16, a moving wheel 17 and a pushing handle 18.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the utility model discloses a movable irrigation and water conservancy sprinkling irrigation device, which comprises a bottom plate 1, wherein the top of the bottom plate 1 is respectively provided with a water tank 2, a water pump 3 and a sprinkling device, the sprinkling device is positioned at one side of the water pump 3, the water pump 3 is positioned at one side of the water tank 2, the sprinkling device comprises a rotating mechanism, a lifting mechanism and a water spraying mechanism, the water spraying mechanism is arranged at the top of the lifting mechanism, and the lifting mechanism is arranged at the top of the rotating mechanism;
the water spraying mechanism comprises a water spraying rod 8, a water spraying pipe 9, a connector 10, a water spraying head 11 and fixing blocks 12, wherein two ends of the water spraying pipe 9 are fixed inside the water spraying rod 8 through the fixing blocks 12, the connector 10 is fixed at the center of the outer surface of the water spraying pipe 9, a plurality of water spraying pipes are fixed on the outer surface of the water spraying pipe 9 at equal intervals, and the water outlet ends of the water spraying pipes 9 penetrate through the outer side of the water spraying rod 8;
the lifting mechanism comprises a fixed rod 6 and a lifting rod 7, the lower part of the lifting rod 7 is vertically and slidably mounted in the fixed rod 6, and the top of the lifting rod 7 penetrates through the top wall of the fixed rod 6 and is fixed with the center of the bottom of the water spraying rod 8;
the rotating machine mechanism comprises a rotating box 5, a rotating block 13, a gear 14, a sector gear 15 and a motor 16, wherein a rotating groove is formed in the top of the rotating box 5, the rotating block 13 and the gear 14 are respectively fixed on the outer surface of the fixed rod 6, the gear 14 is positioned on the lower portion of the rotating block 13, the fixed rod 6 is rotatably connected with the rotating groove in the top of the rotating box 5 through the rotating block 13, the sector gear 15 is fixed at the output end of the motor 16, the output end of the motor 16 drives the sector gear 15 to rotate for a circle and then is meshed with the outer surface of the gear 14, the motor 16 is fixed at the bottom of the rotating box 5, and the rotating box 5 is fixed on one side of the top of the bottom plate 1;
the pumping end of water pump 3 is fixed with the drinking-water pipe, and the drinking-water pipe extends to the inside of water tank 2, and the play water end of water pump 3 is fixed with bellows 4, and the one end and the connector 10 of bellows 4 are fixed.
According to the illustration in fig. 3, as a preferred embodiment of the present invention: first limiting grooves are symmetrically fixed on the outer surface of the lower portion of the lifting rod 7, a limiting assembly is mounted on the outer surface of each first limiting groove, each limiting assembly comprises a first spring 71 and a clamping block 72, one end of each clamping block 72 is slidably mounted inside each first limiting groove, the other end of each clamping block 72 penetrates through each first limiting groove and extends to the outer side of the lifting rod 7, and two ends of each first spring 71 are respectively fixed with the side wall of each first limiting groove and one side of each clamping block 72;
a plurality of clamping holes 61 matched with the clamping blocks 72 are symmetrically formed in the outer surface of the fixing rod 6, and the lifting rod 7 is clamped with two of the clamping holes 61 in the outer surface of the fixing rod 6 through the two clamping blocks 72 in the outer surface of the lower portion. The lifting rod 7 is limited, and the shaking of the lifting rod 7 in the fixing rod 6 is reduced;
according to the illustration in fig. 4, as a preferred embodiment of the present invention: a second limiting assembly is arranged in each second limiting groove, each second limiting assembly comprises a steel ball 131 and a second spring 132, the steel balls 131 are arranged in the second limiting grooves in a rolling mode, part of outer surfaces of the steel balls 131 extend to the outer side of the rotating block 13 through the second limiting grooves, one end of each second spring 132 is fixed with the side wall of each second limiting groove, and the other end of each second spring 132 is attached to the outer surface of the steel ball 131;
the inner wall of the rotating groove is provided with a plurality of arc-shaped clamping grooves matched with the steel balls 131 in an annular array mode, the rotating block 13 is clamped with the steel balls 131 on the inner wall of the rotating groove through the arc-shaped clamping grooves, the fixed rod is limited, and the rotating condition of the fixed rod in the rotating box is reduced;
according to the scheme shown in figure 1, as a preferred technical scheme of the utility model: a plurality of moving wheels 17 are fixed at the corners of the bottom plate 1, and a wear-resistant rubber sleeve is arranged on the outer surface of each moving wheel 17, so that the bottom plate 1 can be moved conveniently;
according to the scheme shown in FIG. 1, as a preferred technical scheme of the utility model: a pushing handle 18 is defined on one side of the bottom plate 1, and a wear-resistant rubber sleeve is fixed on the outer surface of the pushing handle 18, so that the bottom plate 1 can be conveniently pushed.
The working principle of the embodiment is as follows: when the movable irrigation and water conservancy sprinkling irrigation device is used, as shown in fig. 2 and 2-6, the bottom plate 1 is moved to a proper position by matching with the moving wheel 17 and the push handle 18, then the two clamping blocks 72 can be pressed, so that the two clamping blocks 72 can extrude the first spring 71, the first spring 71 is compressed towards the inside of the first limiting groove, the clamping block 72 is moved towards the inside of the second limiting groove, when the clamping block 72 is separated from the inside of the clamping hole 61, the lifting rod 7 can be adjusted inside the fixed rod 6, when the top of the lifting rod 7 drives the water spray rod 8 to be adjusted to a proper position, the water spray rod 8 is clamped with the clamping holes 61 on the two sides of the fixed rod 6 through the two clamping blocks 72 again, then the water pump 3 can be started, so that the water pumping end of the water pump 3 can pump water inside the water tank 2 through the water pumping pipe, and the water pump 3 can convey water to the inside of the water spray pipe 9 through the corrugated pipe 4, so that the water spray pipe 9 can spray the farmland through a plurality of water spray heads 11,
if the farmland in different areas needs to be sprayed, the motor 16 is turned on again, so that the output end of the motor 16 can drive the sector gear 15 to rotate, the gear 14 can be driven to rotate when the sector gear 15 rotates for each circle, the gear 14 drives the rotating block 13 to rotate in the rotating groove through the fixed rod 6, in the process that the rotating block 13 rotates in the rotating groove, the plurality of arc-shaped clamping grooves in the rotating groove can extrude the steel balls 131, the steel balls 131 can extrude the second spring 132, the steel balls 131 move towards the inside of the second limiting groove, when the steel balls 131 completely contract into the inside of the second limiting groove, the fixed rod 6 can rotate at the top of the rotating box 5, the fixed rod 6 can drive the water spray rod 8 to rotate through the lifting rod 7, and the water spray rod 8 can drive the plurality of water spray heads 11 to rotate, so that a plurality of the sprinkler heads 11 can perform sprinkling work on farmlands in different areas.
The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.

Claims (5)

1. A movable irrigation and water conservancy sprinkling irrigation device comprises a bottom plate (1) and is characterized in that a water tank (2), a water pump (3) and a sprinkling device are respectively installed at the top of the bottom plate (1), the sprinkling device is located on one side of the water pump (3), the water pump (3) is located on one side of the water tank (2), the sprinkling device comprises a rotating machine mechanism, a lifting mechanism and a water spraying mechanism, the water spraying mechanism is installed at the top of the lifting mechanism, and the lifting mechanism is installed at the top of the rotating machine mechanism;
the water spraying mechanism comprises a water spraying rod (8), water spraying pipes (9), a connector (10), water spraying heads (11) and fixing blocks (12), wherein two ends of each water spraying pipe (9) are fixed inside the water spraying rod (8) through the fixing blocks (12), the connector (10) is fixed at the center of the outer surface of each water spraying pipe (9), the water spraying pipes are fixed on the outer surface of the water spraying pipes (9) at equal intervals, and the water outlet ends of the water spraying pipes (9) penetrate through the outer side of the water spraying rod (8);
the lifting mechanism comprises a fixed rod (6) and a lifting rod (7), the lower part of the lifting rod (7) is vertically and slidably mounted in the fixed rod (6), and the top of the lifting rod (7) penetrates through the top wall of the fixed rod (6) and is fixed with the center of the bottom of the water spray rod (8);
the rotating machine mechanism comprises a rotating box (5), a rotating block (13), a gear (14), a sector gear (15) and a motor (16), wherein a rotating groove is formed in the top of the rotating box (5), the rotating block (13) and the gear (14) are respectively fixed on the outer surface of a fixing rod (6), the gear (14) is located on the lower portion of the rotating block (13), the fixing rod (6) is rotatably connected with the rotating groove in the top of the rotating box (5) through the rotating block (13), the sector gear (15) is fixed at the output end of the motor (16), the output end of the motor (16) drives the sector gear (15) to be meshed with the outer surface of the gear (14) when the sector gear (15) is driven to rotate for one circle, the motor (16) is fixed at the bottom of the rotating box (5), and the rotating box (5) is fixed on one side of the top of the bottom plate (1);
the pumping end of water pump (3) is fixed with the drinking-water pipe, the drinking-water pipe extends to the inside of water tank (2), the play water end of water pump (3) is fixed with bellows (4), the one end and the connector (10) of bellows (4) are fixed.
2. The mobile irrigation and water conservancy sprinkling irrigation device as claimed in claim 1, wherein first limiting grooves are symmetrically fixed on the outer surface of the lower part of the lifting rod (7), a limiting component is mounted on the outer surface of each first limiting groove, the limiting component comprises a first spring (71) and a fixture block (72), one end of the fixture block (72) is slidably mounted inside the first limiting groove, the other end of the fixture block (72) extends to the outer side of the lifting rod (7) through the first limiting groove, and the two ends of the first spring (71) are respectively fixed with the side wall of the first limiting groove and one side of the fixture block (72);
a plurality of clamping holes (61) matched with the clamping blocks (72) are symmetrically formed in the outer surface of the fixing rod (6), and the lifting rod (7) is clamped with two of the clamping holes (61) in the outer surface of the fixing rod (6) through the two clamping blocks (72) in the outer surface of the lower portion.
3. The movable type irrigation and water conservancy sprinkling irrigation device as claimed in claim 1, wherein a plurality of second limiting grooves are formed in the rotating block (13) in an annular array manner, a second limiting component is mounted in each second limiting groove, each second limiting component comprises a steel ball (131) and a second spring (132), the steel balls (131) are mounted in the second limiting grooves in a rolling manner, part of outer surfaces of the steel balls (131) extend to the outer side of the rotating block (13) through the second limiting grooves, one end of each second spring (132) is fixed to the side wall of each second limiting groove, and the other end of each second spring (132) is attached to the outer surface of each steel ball (131);
the inner wall of the rotating groove is provided with a plurality of arc-shaped clamping grooves matched with the steel balls (131) in an annular array mode, and the rotating block (13) is clamped with the steel balls (131) on the inner wall of the rotating groove through the arc-shaped clamping grooves.
4. A mobile irrigation and water conservancy sprinkler according to claim 1, characterized in that a plurality of moving wheels (17) are fixed at the corners of the bottom of the base plate (1), and the outer surface of each moving wheel (17) is provided with a wear-resistant rubber sleeve.
5. The mobile irrigation and water conservancy sprinkling irrigation device as claimed in claim 1, wherein a push handle (18) is hooked at one side of the bottom plate (1), and a wear-resistant rubber sleeve is fixed on the outer surface of the push handle (18).
CN202123354534.9U 2021-12-29 2021-12-29 Portable irrigation and water conservancy sprinkling irrigation equipment Active CN216650817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123354534.9U CN216650817U (en) 2021-12-29 2021-12-29 Portable irrigation and water conservancy sprinkling irrigation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123354534.9U CN216650817U (en) 2021-12-29 2021-12-29 Portable irrigation and water conservancy sprinkling irrigation equipment

Publications (1)

Publication Number Publication Date
CN216650817U true CN216650817U (en) 2022-06-03

Family

ID=81794475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123354534.9U Active CN216650817U (en) 2021-12-29 2021-12-29 Portable irrigation and water conservancy sprinkling irrigation equipment

Country Status (1)

Country Link
CN (1) CN216650817U (en)

Similar Documents

Publication Publication Date Title
CN107487251A (en) A kind of adjustable efficiently watering device for building
CN207257490U (en) A kind of adjustable efficiently watering device for building
CN216650817U (en) Portable irrigation and water conservancy sprinkling irrigation equipment
CN213699282U (en) Green construction spraying device
CN212688642U (en) Watering device for road maintenance
CN211036955U (en) Building foundation levels device
CN210522919U (en) Gardens are with rotatable shower nozzle
CN114471028B (en) Automatic water mist dust settling device for green building construction
CN216701216U (en) A equipment of watering for forestry maintenance
CN214194342U (en) Building construction is on-spot with spraying curing means convenient to it is fixed
CN212138745U (en) Sprinkling irrigation equipment for agricultural production
CN212883069U (en) Industrial atomization spray head capable of spraying at multiple angles
CN112602568B (en) Farmland irrigation device
CN212232485U (en) Gardens watering device
CN114651707A (en) Mobile irrigation device and method for modern agricultural planting
CN220326452U (en) Spraying type movable spraying machine for landscaping
CN111328684A (en) Spout injection equipment of medicine conversion of watering
CN216663725U (en) Spraying tool for highway construction
CN219559130U (en) Fitment construction dust device
CN215888074U (en) Dust device for municipal building construction
CN216445954U (en) Electric tamping device for construction site
CN216601130U (en) Agricultural sprinkling irrigation equipment
CN216825460U (en) House building construction dust device
CN216362989U (en) Small-size agricultural machine irrigation equipment
CN216982948U (en) Watering device for tea cultivation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant