CN214902160U - Agricultural machine is with fertigation machine - Google Patents

Agricultural machine is with fertigation machine Download PDF

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Publication number
CN214902160U
CN214902160U CN202120545246.2U CN202120545246U CN214902160U CN 214902160 U CN214902160 U CN 214902160U CN 202120545246 U CN202120545246 U CN 202120545246U CN 214902160 U CN214902160 U CN 214902160U
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China
Prior art keywords
fertilizer
groups
water
box
irrigation
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CN202120545246.2U
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Chinese (zh)
Inventor
刘勇
许文超
吴钦松
金立强
施宁涛
梁契宗
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Heilongjiang East Water Saving Technology Group Co ltd
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Heilongjiang East Water Saving Equipment Co ltd
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Abstract

The utility model discloses a watering and fertilizing machine for agricultural machinery, which comprises a fertilizing mechanism and a watering box, wherein the watering box is arranged on the upper end surface of the fertilizing mechanism, a water pipe is connected with a water pipe connector, clear water can be poured into a mixing box, water-soluble fertilizer for agriculture is put into a discharging hopper, an embedded sheet is pulled to enable the water-soluble fertilizer to enter the mixing box, then a rotating motor drives a stirring paddle to rotate to fully mix the clear water with the fertilizer, the stirred fertilizer water enters the watering box through a transmission pipe and is finally sprayed out by a spraying head, a push-pull vehicle can be pushed to move, so that two groups of spraying heads are driven to spray the fertilizer water, when the fertilizer is put into the discharging hopper, the fertilizer can be retained due to the embedded sheet, the putting amount of the fertilizer can be controlled by observing a numerical identifier, the proportion of the fertilizer and the water can be controlled, the spraying angles of the two groups of spraying heads can be adjusted, can adjust the multi-angle fertigation of whole device as required.

Description

Agricultural machine is with fertigation machine
Technical Field
The utility model relates to a fertilization technical field specifically is a agricultural machine is with fertigation machine.
Background
The fertilizer application refers to agricultural technical measures of applying fertilizer into soil or spraying the fertilizer on plants to provide nutrients required by the plants and maintain and improve soil fertility, the main purposes of the fertilizer application are to increase crop yield, improve crop quality, fertilize soil fertility and improve economic benefits, and the fertilizer application can be divided into broadcast application, flush application, hole application, strip application and the like according to different fertilizer application modes; the spreading and the flushing are favorable for the diffusion of nutrients, the application is convenient, but the nutrient loss is large, and the utilization rate is lower; the nutrient loss of hole application and strip application is less, the utilization rate is high, but certain mechanical energy is consumed; with the development of modern precision agriculture, precision fertilization is rapidly developed and becomes an important fertilization mode.
Traditional fertilizer distributor for agricultural machine does not combine together watering and two steps of fertilizeing, leads to the fertilization effect unsatisfactory, and extravagant manpower, does not set up the angle adjustment mechanism who sprays the watering structure.
In order to solve the problems, a fertilizer applicator for agricultural machinery is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fertigation machine for agricultural machine, including fertilizing mechanism and watering case, watering case sets up at the fertilizing mechanism up end, will water and fertilize two steps and combine together, has set up the angle adjustment mechanism who sprays the watering structure to the problem in the background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a fertigation machine for agricultural machinery comprises a fertilization mechanism and fertigation boxes, wherein the fertigation boxes are arranged on the upper end face of the fertilization mechanism, the fertilization mechanism is provided with a push-pull trolley, mixing boxes and transmission pipes, the mixing boxes are arranged on one side of the upper end face of the push-pull trolley, the transmission pipes are arranged in two groups, one end of each transmission pipe is arranged on one side of the mixing box, and the other end of each transmission pipe is arranged on one side of the fertigation box;
the irrigation box is provided with two groups of clamping grooves, two groups of adjusting grooves and two groups of movable irrigation components, the clamping grooves are formed in the side faces of the irrigation box, the adjusting grooves are formed in the side faces of the irrigation box and are located in the middle positions of the two groups of clamping grooves, the two groups of movable irrigation components are arranged, and the movable irrigation components are movably arranged on the outer sides of the adjusting grooves.
Preferably, the mixing box is provided with blowing funnel, rotating electrical machines, stirring rake and water pipe connection, and the blowing funnel setting is in mixing box up end one side, and the rotating electrical machines setting is at mixing box up end intermediate position, and the stirring rake is installed terminal surface under the rotating electrical machines, and inside the position is in the mixing box, the water pipe connection sets up at mixing box up end opposite side.
Preferably, the conveying pipe is provided with two groups of stirring assemblies, and the stirring assemblies are movably arranged in the conveying pipe.
Preferably, the stirring assembly is provided with a rotating shaft and four groups of blades, the rotating shaft is movably arranged in the transmission pipe, and the blades are arranged on the outer side of the rotating shaft.
Preferably, the discharging funnel is provided with a numerical value identifier and an embedded sheet, the numerical value identifier is arranged on the inner wall of the discharging funnel, the embedded sheet is movably arranged inside the lower end face of the discharging funnel, and the length and the width of the embedded sheet are equal to those of the inner wall of the lower end face of the discharging funnel.
Preferably, the adjusting groove is provided with a first limit strip and a second limit strip, the first limit strip is provided with seven groups, the first limit strip is installed on the upper end surface of the inner wall of the adjusting groove, the second limit strip is provided with seven groups, the second limit strip is installed on the lower end surface of the inner wall of the adjusting groove, and the position of the second limit strip is positioned under the first limit strip.
Preferably, the movable pouring member is provided with a sprinkler head, clamping blocks and springs, the sprinkler head is arranged outside the adjusting groove, the clamping blocks are arranged in two groups, the clamping blocks are movably clamped inside the clamping groove, the springs are arranged in four groups, one end of each spring is arranged on the side face of the clamping block, and the other end of each spring is arranged on the side face of the sprinkler head.
Preferably, the sprinkler head is provided with a limiting square block and a connecting pipe, the limiting square block is arranged on one side of the sprinkler head and is positioned in the adjusting groove, one end of the connecting pipe is arranged on one side of the limiting square block, the other end of the connecting pipe is arranged in the watering box and is positioned in the adjusting groove.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a pair of agricultural machine is with fertigation machine, be connected the water pipe with water pipe connection, can pour into the clear water to the mixing box inside, put into the blowing funnel with the fertilizer that is soluble in water with agricultural inside, pulling gomphosis piece, make the fertilizer that is soluble in water get into inside the mixing box, the rotating electrical machines drive stirring rake rotates afterwards, with clear water and fertilizer intensive mixing, fertilizer water after the stirring gets into inside the watering box through the transmission pipe, spray out by the sprinkler head at last, can promote the push-and-pull car and remove, thereby it sprays to drive two sets of sprinkler heads and carry out fertilizer water, will water and fertilize two steps and combine together, make the absorption fertilizer that crops can be better.
2. The utility model provides a pair of irrigation and fertilization machine for agricultural machine, terminal surface inside has set up the gomphosis piece under the blowing funnel, and the length and the width of terminal surface inner wall are equal under the length and the width of gomphosis piece and the blowing funnel, when placing fertilizer in blowing funnel inside, the existence of gomphosis piece can make fertilizer be detained, through observing the volume of putting into that numerical value sign controlled fertilizer, thereby control fertilizer and the proportion of water, the pulling gomphosis piece can let inside fertilizer gets into the mixing box, the stirring rake stirs afterwards and gets into inside the transmission pipe again, and the transmission pipe is inside to have set up stirring assembly, under electrically driven effect, the axis of rotation drives the paddle and rotates, carry out the intensive mixing to the fertilizer water after mixing once more, increase irrigation and fertilization's effect.
3. The utility model provides a pair of agricultural machine is with fertigation machine, one side of watering case is the curved surface structure, the adjustment tank also is the curved surface structure with the block groove promptly, can pull the sprinkler head and remove to the watering case outside, the spring is stretched this moment, spacing square position is in the adjustment tank outside, and the minimum interval of first spacing and the spacing strip of second is greater than the diameter of connecting pipe, can make the sprinkler head remove in the adjustment tank inside of curved surface structure, the angle of spraying of sprinkler head has been adjusted promptly, relieve the sprinkler head, under the restoring force of spring, spacing square position is in the adjustment tank inside, it is spacing by two sets of first spacing and the spacing strip of second, the angle of spraying of adjustable two sets of sprinkler heads, can adjust the multi-angle fertigation of whole device according to the demand.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the fertilizing mechanism of the present invention;
FIG. 3 is a schematic view of the stirring assembly of the present invention;
fig. 4 is a schematic structural view of the discharge funnel of the present invention;
FIG. 5 is a schematic view of the structure of the irrigation box of the present invention;
fig. 6 is a schematic structural view of the movable irrigation member of the present invention.
In the figure: 1. a fertilizing mechanism; 11. pushing and pulling the trolley; 12. a mixing box; 121. a discharging funnel; 1211. identifying a numerical value; 1212. a tabling piece; 122. a rotating electric machine; 123. a stirring paddle; 124. a water pipe connector; 13. a conveying pipe; 131. a stirring assembly; 1311. a rotating shaft; 1312. a paddle; 2. a watering box; 21. a clamping groove; 22. an adjustment groove; 221. a first limit strip; 222. a second limit strip; 23. a movable irrigation member; 231. a sprinkler head; 2311. a limiting square block; 2312. a connecting pipe; 232. a clamping block; 233. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a fertilizer applicator for agricultural machinery includes a fertilizer applying mechanism 1 and a fertilizer applying tank 2, wherein the fertilizer applying tank 2 is disposed on an upper end surface of the fertilizer applying mechanism 1.
Referring to fig. 2-4, a fertilizer applicator for agricultural machinery, the fertilizer applicator 1 comprises a push-pull cart 11, a mixing box 12 and a transmission pipe 13, the mixing box 12 is disposed on one side of the upper end of the push-pull cart 11, the transmission pipe 13 is disposed in two sets, one end of the transmission pipe 13 is disposed on one side of the mixing box 12, the other end is disposed on one side of the irrigation box 2, the mixing box 12 is provided with a discharge funnel 121, a rotating motor 122, a stirring paddle 123 and a water pipe connector 124, the discharge funnel 121 is disposed on one side of the upper end of the mixing box 12, the rotating motor 122 is disposed at the middle position of the upper end of the mixing box 12, the stirring paddle 123 is disposed on the lower end of the rotating motor 122 and is located inside the mixing box 12, the water pipe connector 124 is disposed on the other side of the upper end of the mixing box 12, the transmission pipe 13 is provided with two sets of stirring assemblies 131, the stirring assemblies 131 are movably disposed inside the transmission pipe 13, the stirring assembly 131 is provided with a rotating shaft 1311 and blades 1312, the rotating shaft 1311 is movably arranged inside the conveying pipe 13, four groups of blades 1312 are arranged, the blades 1312 are arranged outside the rotating shaft 1311, the discharging funnel 121 is provided with a numerical identifier 1211 and a tabling sheet 1212, the numerical identifier 1211 is arranged on the inner wall of the discharging funnel 121, the tabling sheet 1212 is movably arranged on the inner portion of the lower end face of the discharging funnel 121, the length and the width of the tabling sheet 1212 are equal to those of the inner wall of the lower end face of the discharging funnel 121, the tabling sheet 1212 is arranged on the inner portion of the lower end face of the discharging funnel 121, the length and the width of the tabling sheet 1212 are equal to those of the inner wall of the lower end face of the discharging funnel 121, when fertilizer is placed inside the discharging funnel 121, the existence of the tabling sheet 1212 can cause the fertilizer to be detained, the placing amount of the fertilizer is controlled by observing the numerical identifier 1211, the proportion of the fertilizer and the water is controlled, the tabling sheet 1212 can be pulled to cause the fertilizer to enter the mixing box 12, subsequently, the stirring paddle 123 stirs and then enters the transmission pipe 13, the stirring assembly 131 is arranged inside the transmission pipe 13, the rotating shaft 1311 drives the blades 1312 to rotate under the action of electric driving, the mixed fertilizer water is fully stirred again, and the effect of irrigation and fertilization is improved.
Referring to fig. 5-6, a fertilizer applicator for agricultural machinery, a watering case 2 is provided with two sets of engaging grooves 21, two sets of adjusting grooves 22 and two sets of movable watering members 23, the engaging grooves 21 are provided on the side surface of the watering case 2, the adjusting grooves 22 are provided on the side surface of the watering case 2 at the middle position of the two sets of engaging grooves 21, the two sets of movable watering members 23 are provided, the movable watering members 23 are movably provided on the outer side of the adjusting grooves 22, the adjusting grooves 22 are provided with a first position-limiting strip 221 and a second position-limiting strip 222, the first position-limiting strip 221 is provided with seven sets, the first position-limiting strip 221 is mounted on the upper end surface of the inner wall of the adjusting groove 22, the second position-limiting strip 222 is provided on the lower end surface of the inner wall of the adjusting groove 22, and the second position-limiting strip 222 is provided under the first position-limiting strip 221, the movable watering members 23 are provided with a spray head 231, an engaging block 232 and a spring 233, the spraying head 231 is arranged outside the adjusting groove 22, two sets of clamping blocks 232 are arranged, the clamping blocks 232 are movably clamped inside the clamping groove 21, four sets of springs 233 are arranged, one end of each spring 233 is arranged on the side surface of the clamping block 232, the other end of each spring is arranged on the side surface of the spraying head 231, the spraying head 231 is provided with a limiting square block 2311 and a connecting pipe 2312, the limiting square block 2311 is arranged on one side of the spraying head 231 and is positioned inside the adjusting groove 22, one end of the connecting pipe 2312 is arranged on one side of the limiting square block 2311, the other end of the connecting pipe 2312 is arranged inside the irrigation box 2 and is positioned inside the adjusting groove 22, the water pipe is connected with the water pipe connector 124, clear water can be filled into the mixing box 12, water-soluble fertilizer for agriculture is placed into the discharging funnel 121, the embedded sheets 1212 are pulled, so that the water-soluble fertilizer enters the mixing box 12, then the stirring paddle 123 is driven by the rotating motor 122 to rotate, and the clear water and the fertilizer are fully mixed with the fertilizer, the stirred fertilizer water enters the interior of the irrigation box 2 through the transmission pipe 13 and is finally sprayed out through the spraying heads 231, the push-pull cart 11 can be pushed to move, so as to drive the two groups of spraying heads 231 to spray the fertilizer water, the two steps of irrigation and fertilization are combined together, so that crops can better absorb the fertilizer, one side of the irrigation box 2 is of a curved structure, namely the adjusting groove 22 and the clamping groove 21 are also of a curved structure, the spraying heads 231 can be pulled to move towards the outer side of the irrigation box 2, at the moment, the spring 233 is stretched, the limiting square block 2311 is positioned at the outer side of the adjusting groove 22, the minimum distance between the first limiting strip 221 and the second limiting strip 222 is larger than the diameter of the connecting pipe 2312, so that the spraying heads 231 can move in the adjusting groove 22 of the curved structure, namely, the spraying angles of the spraying heads 231 are adjusted, the spraying heads 231 are released, and the limiting square blocks 2311 are positioned in the adjusting groove 22 under the restoring force of the spring 233, the two groups of first limiting strips 221 and second limiting strips 222 limit the position, the spraying angles of the two groups of spraying heads 231 can be adjusted, and the multi-angle watering and fertilizing of the whole device can be adjusted according to requirements.
In summary, the following steps: the utility model discloses a fertigation machine for agricultural machinery, including fertilizing mechanism 1 and irrigation case 2, irrigation case 2 is set up at fertilizing mechanism 1 up end, connect the water pipe with water pipe connection 124, can pour into the clear water to the mixing box 12 inside, put agricultural with water-soluble fertilizer into blowing funnel 121 inside, pulling gomphosis piece 1212, make water-soluble fertilizer get into the mixing box 12 inside, the rotating electrical machines 122 drives the stirring rake 123 to rotate afterwards, clear water and fertilizer are fully mixed, the fertilizer water after the stirring gets into irrigation case 2 inside through transmission pipe 13, spray out by sprinkler head 231 finally, can promote push-and-pull car 11 to move, thereby drive two sets of sprinkler head 231 and carry out fertilizer water spraying, combine watering and fertilizing two steps together, make crops can better absorb fertilizer, the inside gomphosis piece 1212 that has set up of lower terminal surface of blowing funnel 121, the length and width of the embedded sheet 1212 are equal to the length and width of the inner wall of the lower end face of the discharging funnel 121, when fertilizer is placed in the discharging funnel 121, the fertilizer can be retained due to the embedded sheet 1212, the placing amount of the fertilizer can be controlled by observing the numerical identifier 1211, so as to control the proportion of the fertilizer and water, the fertilizer can enter the mixing box 12 by pulling the embedded sheet 1212, then the stirring paddle 123 stirs the fertilizer and then enters the transmission pipe 13, the stirring assembly 131 is arranged in the transmission pipe 13, the rotating shaft 1311 drives the paddle 1312 to rotate under the action of electric drive, the mixed fertilizer and water are fully stirred again, the effect of irrigation and fertilization is increased, one side of the irrigation box 2 is of a curved structure, namely, the adjusting groove 22 and the clamping groove 21 are also of a curved structure, the sprinkler 231 can be pulled to move towards the outer side of the irrigation box 2, at this time, the spring 233 is stretched, the position of the limiting square block 2311 is located at the outer side of the adjusting groove 22, and the minimum distance between the first position-limiting strip 221 and the second position-limiting strip 222 is larger than the diameter of the connecting pipe 2312, so that the spray head 231 can move in the adjusting groove 22 with the curved surface structure, i.e. the spraying angle of the spray head 231 is adjusted, the spray head 231 is released, the position-limiting square block 2311 is positioned in the adjusting groove 22 under the restoring force of the spring 233 and is limited by the two groups of first position-limiting strips 221 and the second position-limiting strip 222, the spraying angles of the two groups of spray heads 231 can be adjusted, and the multi-angle watering and fertilizing of the whole device can be adjusted according to requirements.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a fertigation machine for agricultural machine, includes fertilizing mechanism (1) and watering case (2), watering case (2) set up at fertilizing mechanism (1) up end, its characterized in that: the fertilizing mechanism (1) is provided with a push-pull trolley (11), two groups of mixing boxes (12) and two groups of transmission pipes (13), wherein the mixing boxes (12) are arranged on one side of the upper end face of the push-pull trolley (11), one ends of the transmission pipes (13) are arranged on one side of the mixing boxes (12), and the other ends of the transmission pipes (13) are arranged on one side of the irrigation box (2);
the irrigation box (2) is provided with clamping grooves (21), adjusting grooves (22) and movable irrigation members (23), the clamping grooves (21) are arranged in two groups, the clamping grooves (21) are formed in the side faces of the irrigation box (2), the adjusting grooves (22) are formed in the side faces of the irrigation box (2), the positions of the adjusting grooves are located in the middle positions of the two groups of clamping grooves (21), the movable irrigation members (23) are arranged in two groups, and the movable irrigation members (23) are movably arranged on the outer sides of the adjusting grooves (22).
2. The fertilizer distributor for agricultural machinery of claim 1, wherein: mixing box (12) are provided with blowing funnel (121), rotating electrical machines (122), stirring rake (123) and water pipe interface (124), and blowing funnel (121) set up in mixing box (12) up end one side, and rotating electrical machines (122) set up in mixing box (12) up end intermediate position, and terminal surface under rotating electrical machines (122) is installed in stirring rake (123), and the position is inside mixing box (12), and water pipe interface (124) set up at mixing box (12) up end opposite side.
3. The fertilizer distributor for agricultural machinery of claim 1, wherein: the conveying pipe (13) is provided with two groups of stirring assemblies (131), and the stirring assemblies (131) are movably arranged in the conveying pipe (13).
4. The fertilizer distributor for agricultural machinery of claim 3, wherein: the stirring assembly (131) is provided with rotating shafts (1311) and blades (1312), the rotating shafts (1311) are movably arranged inside the conveying pipe (13), the blades (1312) are arranged in four groups, and the blades (1312) are arranged on the outer side of the rotating shafts (1311).
5. The fertilizer distributor for agricultural machinery of claim 2, wherein: the material discharging funnel (121) is provided with a numerical identifier (1211) and an embedded sheet (1212), the numerical identifier (1211) is arranged on the inner wall of the material discharging funnel (121), the embedded sheet (1212) is movably arranged inside the lower end face of the material discharging funnel (121), and the length and the width of the embedded sheet (1212) are equal to those of the inner wall of the lower end face of the material discharging funnel (121).
6. The fertilizer distributor for agricultural machinery of claim 1, wherein: the adjusting groove (22) is provided with a first limiting strip (221) and a second limiting strip (222), the first limiting strip (221) is provided with seven groups, the first limiting strip (221) is installed on the upper end face of the inner wall of the adjusting groove (22), the second limiting strip (222) is provided with seven groups, the second limiting strip (222) is installed on the lower end face of the inner wall of the adjusting groove (22), and the position of the second limiting strip (222) is located under the first limiting strip (221).
7. The fertilizer distributor for agricultural machinery of claim 1, wherein: the movable pouring member (23) is provided with spraying heads (231), clamping blocks (232) and springs (233), the spraying heads (231) are arranged on the outer side of the adjusting groove (22), the clamping blocks (232) are arranged in two groups, the clamping blocks (232) are movably clamped in the clamping groove (21), the springs (233) are arranged in four groups, one end of each spring (233) is arranged on the side face of each clamping block (232), and the other end of each spring (233) is arranged on the side face of the spraying head (231).
8. The fertilizer distributor for agricultural machinery of claim 7, wherein: the sprinkler head (231) is provided with a limiting square block (2311) and a connecting pipe (2312), the limiting square block (2311) is arranged on one side of the sprinkler head (231) and is positioned in the adjusting groove (22), one end of the connecting pipe (2312) is arranged on one side of the limiting square block (2311), the other end of the connecting pipe is arranged in the irrigation box (2) and is positioned in the adjusting groove (22).
CN202120545246.2U 2021-03-16 2021-03-16 Agricultural machine is with fertigation machine Active CN214902160U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120545246.2U CN214902160U (en) 2021-03-16 2021-03-16 Agricultural machine is with fertigation machine

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Application Number Priority Date Filing Date Title
CN202120545246.2U CN214902160U (en) 2021-03-16 2021-03-16 Agricultural machine is with fertigation machine

Publications (1)

Publication Number Publication Date
CN214902160U true CN214902160U (en) 2021-11-30

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Application Number Title Priority Date Filing Date
CN202120545246.2U Active CN214902160U (en) 2021-03-16 2021-03-16 Agricultural machine is with fertigation machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114514874A (en) * 2021-12-27 2022-05-20 山东源泉机械有限公司 Water-saving agricultural watering is with equipment of executing water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114514874A (en) * 2021-12-27 2022-05-20 山东源泉机械有限公司 Water-saving agricultural watering is with equipment of executing water

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Address after: 152000 Dongfu Industrial Park, Beilin Economic Development Zone, Suihua City, Heilongjiang Province

Patentee after: Heilongjiang East Water Saving Technology Group Co.,Ltd.

Address before: 152001 Dongfu Industrial Park, Beilin Economic Development Zone, Suihua City, Heilongjiang Province

Patentee before: HEILONGJIANG EAST WATER SAVING EQUIPMENT Co.,Ltd.