CN218072349U

CN218072349U - Water-retaining agent applying device

Info

Publication number: CN218072349U
Application number: CN202222364185.7U
Authority: CN
Inventors: 郑国保; 李苗; 朱金霞
Original assignee: Agricultural Biotechnology Research Center Of Ningxia Academy Of Agriculture And Forestry Sciences (ningxia Key Laboratory Of Agricultural Biotechnology)
Current assignee: Agricultural Biotechnology Research Center Of Ningxia Academy Of Agriculture And Forestry Sciences (ningxia Key Laboratory Of Agricultural Biotechnology)
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-20
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to an agricultural machine technical field relates to a water-retaining agent applys device. The tractor comprises a travelling mechanism matched with a tractor, wherein the travelling mechanism comprises a bearing plate and wheels arranged below the bearing plate; a medicine storage box, a water storage box and a mixing box are arranged above the bearing plate, the medicine storage box is used for storing a gel water-retaining agent, and the water storage box is used for storing water; a material guide mechanism is arranged between the medicine storage box and the mixing box and is used for conveying the gel water-retaining agent at the medicine storage box to the mixing box; a water pump mechanism is arranged between the water storage tank and the mixing tank and is used for conveying water at the medicine storage tank to the mixing tank; a stirring mechanism is arranged at the mixing box and is used for mixing the water and the gel water-retaining agent at the mixing box to obtain mixed liquid medicine; the bearing board is located the both sides department of wheel advancing direction and all is equipped with injection mechanism, and injection mechanism is used for realizing the ejection of compact of mixed liquid medicine. The utility model discloses can be suitable for better topdressing the water-retaining agent to the great rare economic crop of planting area.

Description

Water retaining agent applying device

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a water-retaining agent applying device; more particularly relates to a device for applying a gel water-retaining agent.

Background

The water-retaining agent can absorb water with the phase weight being more than the self weight; after the water-retaining agent is mixed into the soil, the water evaporation can be inhibited to a great extent, the saturated water quantity of the soil is improved, the speed of releasing water from the soil is relieved, the permeation and the loss of the soil water are reduced, the purpose of water retention is achieved, and the method has wide application in agriculture.

In the growth process of the cash crops, the water-retaining agent needs to be applied to promote the growth of the cash crops, and the existing application mode is usually realized by manual operation; the mode is more suitable for topdressing the cash crops which have small planting area or have large-scale equipment which is difficult to enter due to large planting density. For economic crops such as medlar, grapes and apples which have large planting areas and low planting densities, enough space is left among plants, so that the water-retaining agent can be applied mechanically in a large mechanical mode. However, the gel water-retaining agent application device suitable for large-area and thin-planting economic crops is lacked in the prior art.

SUMMERY OF THE UTILITY MODEL

To lack among the prior art and to be applicable to the gel type water retaining agent application device of the cash crop of large tracts of land, rare planting, the utility model provides a water retaining agent application device, it can realize the mechanized application of the water retaining agent of the gel type of the cash crop of rare planting such as big area planting such as matrimony vine, grape, apple better.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a water-retaining agent applying device comprises a travelling mechanism matched with a tractor, wherein the travelling mechanism comprises a bearing plate and wheels arranged below the bearing plate; a medicine storage box, a water storage box and a mixing box are arranged above the bearing plate, the medicine storage box is used for storing the gel water-retaining agent, and the water storage box is used for storing water; a material guide mechanism is arranged between the medicine storage box and the mixing box and is used for conveying the gel water-retaining agent at the medicine storage box to the mixing box; a water pump mechanism is arranged between the water storage tank and the mixing tank and is used for conveying water in the water storage tank to the mixing tank; a stirring mechanism is arranged at the mixing box and is used for mixing the water and the gel water-retaining agent at the mixing box to obtain mixed liquid medicine; the bearing board is located the both sides department of wheel advancing direction and all is equipped with injection mechanism, and injection mechanism is used for realizing the ejection of compact of mixed liquid medicine.

Through the utility model discloses a device is applyed to water-retaining agent, it can form mechanized operation to the great rare water-retaining agent work of topdressing of planting cash crop of planting area, the better work load that has reduced when the staff topdresses the water-retaining agent to this type of cash crop, and then has improved and has topdressed efficiency.

Wherein, the setting of mixing box for gel water retaining agent obtains intensive mixing with water in the mixing box, thereby can make comparatively even and the water mixing of gel water retaining agent.

Wherein, the setting of mechanism of pouring into for the water-retaining agent can pour into economic crops's root through the mechanism of pouring into, thereby better reduction staff's work load, improve and pursue efficiency.

Preferably, the water storage tank is arranged at the forward position of the bearing plate corresponding to the advancing direction of the wheels, and the mixing tank is arranged at the backward position of the bearing plate corresponding to the advancing direction of the wheels; the water pump mechanism comprises a water pump and a water supply pipe which are connected through a pipeline, and the water pump is connected with the bottom of the corresponding side wall of the water storage tank through the pipeline; the top of the corresponding side wall of the mixing box is provided with a water injection hole, and the water supply pipe is matched with the water injection hole.

The utility model discloses in, through the setting of suction pump and delivery pipe for water in the storage water tank can pour into the mixing box into through suction pump and delivery pipe.

Preferably, the outer part of the water storage tank is provided with an installation frame connected with the bearing plate, and the medicine storage box is arranged above the water storage tank through the installation frame; the guide mechanism is including locating the baffle box that the bottom that the explosive box corresponds the lateral wall and communicate with the explosive box inner chamber, and the mixing box top is equipped with the feed inlet, sets up the passage between feed inlet and baffle box.

The utility model discloses in, through the setting of baffle box and passage for the liquid medicine in the explosive box can be carried to the mixing box in through baffle box and passage.

Preferably, set up in the explosive box and be used for leading the material pole with baffle box complex spiral, the spiral leads the material pole and drives through a third motor, and the explosive box corresponds lateral wall department and is equipped with the backup pad that is used for installing the third motor.

The utility model discloses in, through the setting of third motor and spiral guide pole for spiral guide pole can take place to rotate under the drive of third motor, and then makes the liquid medicine that stores in the explosive box carry to mixing inwards through baffle box and passage under the effect of spiral guide pole.

Preferably, the outer end of the guide chute corresponding to the top of the mixing box is provided with a supporting block.

The utility model discloses in, through the setting of supporting shoe for the one end of baffle box can be fixed on the upper portion of mixing box through the supporting shoe, thereby comparatively convenient realization the installation to the baffle box.

Preferably, the rabbling mechanism is including locating the second motor at mixing box top and being located the inside puddler of mixing box, and the second motor is used for driving the puddler.

The utility model discloses in, through the setting of second motor and puddler for the second motor can drive the puddler and rotate, and then stirs the mixture to pouring into and mixing inside water and liquid medicine.

Preferably, the injection mechanism comprises 2 mounting blocks vertically arranged on the corresponding side wall of the mixing box, a mounting cavity is formed in each mounting block along the vertical direction, and a third through hole for communicating the mounting cavity with the inner cavity of the mixing box is formed in the corresponding side wall of the mixing box; an injection tube is arranged in the mounting cavity in a sliding manner along the vertical direction and is driven by a first power assembly; the part of the injection pipe, which is positioned in the mounting cavity, is provided with a second through hole communicated with the inner cavity of the injection pipe, and the first power assembly is used for realizing the communication and the sealing between the second through hole and the third through hole so as to realize the inflow of the mixed liquid medicine to the inner cavity of the injection pipe; the injection tube comprises a needle tube part positioned on the upper part and a necking part positioned on the lower part, a piston plate is arranged in an inner cavity of the needle tube part, and the piston plate is driven by a second power assembly to realize the discharge of mixed liquid medicine at the needle tube part.

In the utility model, the injection tube can move in the installation cavity through the arrangement of the first power assembly, so that the communication and the sealing of the second through hole and the third through hole are conveniently realized, and meanwhile, the injection tube can be conveniently inserted into the position near the root of the cash crop; through the arrangement of the second power assembly and the piston plate, the piston plate can be driven by the second power assembly to inject the liquid medicine flowing into the inner cavity of the injection pipe to the position near the roots of the cash crops.

Preferably, the first power assembly comprises a first motor, an installation plate is arranged among the 2 installation blocks, and the first motor is arranged on the upper part of the installation plate; the output shaft of the first motor is connected with a first screw rod, and the first screw rod is in threaded fit with a connecting plate; guide rods are arranged at the two sides of the mounting plate, which are positioned on the first motor, and first through holes which are in clearance fit with the guide rods are arranged at the connecting plate; a connecting piece is fixedly arranged between the connecting plate and the injection tube.

In the utility model, the first motor can be arranged on the upper part of the mounting plate through the arrangement of the mounting plate; through the arrangement of the first motor and the first lead screw, the first motor can drive the first lead screw to rotate, and therefore the injection tube can move along the installation cavity conveniently.

Preferably, the connecting piece is hollow, the second power assembly comprises a second screw rod penetrating through the connecting piece, and a fourth motor for driving the second screw rod to rotate is arranged at the connecting plate; the piston plate and the inner cavity of the needle tube part are fixed in the circumferential direction, the second screw rod is in threaded fit with the middle of the piston plate, and the fourth motor is used for driving the piston plate to lift through the second screw rod.

The utility model discloses in, the setting of fourth motor, second lead screw for the second lead screw can take place to rotate under the drive of fourth motor, and then comparatively convenient realization makes the second lead screw drive piston plate along the vertical direction motion of installation cavity.

Preferably, the power supply assembly is arranged on the upper end face of the bearing plate and comprises a storage battery.

The utility model discloses in, through the setting of battery for this device can provide the power for first motor, second motor, third motor and fourth motor at the during operation, battery.

Drawings

FIG. 1 is a schematic overall view of an applicator for a gel water-retaining agent of example 1;

FIG. 2 is a schematic view of a mixing tank and an injection mechanism in example 1;

FIG. 3 is a schematic view of the medicine storage box, the material guiding chute and the spiral material guiding rod in example 1;

FIG. 4 is a schematic view of an injection tube, a connection plate, and a connection member in example 1;

fig. 5 is a schematic view of a first lead screw and a first motor in embodiment 1;

fig. 6 is a schematic view of a piston plate in embodiment 1;

FIG. 7 is a schematic sectional view of a mixing tank in example 1;

FIG. 8 is a schematic view of a water pump and a water pipe according to embodiment 1;

fig. 9 is an enlarged schematic view at a in fig. 7.

The names of the parts designated by the numerical references in the drawings are as follows:

100. a tractor; 110. a carrier plate; 120. a mixing box; 130. a medicine storage box; 140. a water storage tank; 150. A mounting frame; 160. a storage battery; 170. a wheel; 180. an injection mechanism; 200. a feed inlet; 210. mounting blocks; 220. an injection tube; 230. mounting a plate; 240. a first motor; 241. a first lead screw; 242. a guide bar; 250. a support block; 260. a second motor; 270. a water injection hole; 300. a spiral guide rod; 310. a material guide chute; 320. a material guide pipe; 330. a third motor, 340, a support plate; 400. a needle tube portion; 410. a connecting plate; 420. a connecting member; 430. a first through hole; 440. a second through hole: 500. a second lead screw; 510. a fourth motor; 600. a piston plate; 700. a stirring rod; 710. a third through hole; 800. a water pump; 810. a water supply pipe.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It should be understood that the examples are merely illustrative and not restrictive of the present invention.

Example 1

As shown in fig. 1-9, this embodiment provides a device for applying water retention agent, which can be preferably applied to the application of gel water retention agent for thin planting economic crops such as lycium barbarum, grape, apple, etc. which are not suitable for the application of gel water retention agent for close planting economic crops such as wheat, corn, alfalfa, peanut, etc.

The application device of the embodiment includes a traveling mechanism for cooperating with the tractor 100, wherein the traveling mechanism includes a bearing plate 110 and a wheel 170 disposed below the bearing plate 110; a medicine storage box 130, a water storage box 140 and a mixing box 120 are arranged above the bearing plate 110, wherein the medicine storage box 130 is used for storing a gel water-retaining agent, and the water storage box 140 is used for storing water; a material guiding mechanism is arranged between the medicine storage box 130 and the mixing box 120 and is used for conveying the gel water-retaining agent at the position of the medicine storage box 130 to the position of the mixing box 120; a water pump mechanism is arranged between the water storage tank 140 and the mixing tank 120 and is used for conveying water in the water storage tank 140 to the mixing tank 120; a stirring mechanism is arranged at the position of the mixing box 120 and is used for mixing the water and the gel water-retaining agent at the position of the mixing box 120 to obtain mixed liquid medicine; the two sides of the bearing plate 110 in the traveling direction of the wheels 170 are provided with injection mechanisms 180, and the injection mechanisms 180 are used for discharging the mixed liquid medicine.

Through a water-retaining agent applicator in this embodiment, it can form mechanized operation to the water-retaining agent work of topdressing of the great thin planting cash crop of planting area, the better work load that has reduced the staff when topdressing water-retaining agent to this type of cash crop, and then has improved the efficiency of topdressing.

The mixing box 120 is arranged, so that the gel water-retaining agent and water can be fully stirred after being injected into the mixing box 120, and the gel water-retaining agent can be uniformly mixed with the water; wherein the setting of injection mechanism 180 for the root that the gel water-retaining agent can pour into the cash crop through injection mechanism 180, thereby better realization is chased after to the mechanization of gel water-retaining agent, has reduced staff's work load, improves and chases after efficiency.

In this embodiment, the water storage tank 140 is disposed at the forward position of the bearing plate 110 corresponding to the traveling direction of the wheel 170, and the mixing tank 120 is disposed at the backward position of the bearing plate 110 corresponding to the traveling direction of the wheel 170; the water pump mechanism comprises a water suction pump 800 and a water supply pipe 810 which are connected through a pipeline, and the water suction pump 800 is connected with the bottom of the corresponding side wall of the water storage tank 140 through the pipeline; the mixing tank 120 is provided with water injection holes 270 at the top of the corresponding side walls, and the water supply pipe 810 is engaged with the water injection holes 270.

Through the arrangement of the water pump 800 and the water supply pipe 810 in this embodiment, after an operator starts the water pump 800, water in the water storage tank 140 can be injected into the mixing tank 120 through the water pump 800 and the water supply pipe 810.

In this embodiment, an installation frame 150 connected to the bearing plate 110 is disposed outside the water storage tank 140, and the medicine storage tank 130 is disposed above the water storage tank 140 through the installation frame 150; the material guiding mechanism comprises a material guiding groove 310 which is arranged at the bottom of the corresponding side wall of the medicine storage box 130 and is communicated with the inner cavity of the medicine storage box 130, a feeding hole 200 is arranged at the top of the mixing box 120, and a material guiding pipe 320 is arranged between the feeding hole 200 and the material guiding groove 310.

The installation of the material guiding chute 310 and the material guiding pipe 320 in this embodiment enables the liquid medicine stored in the medicine storage box 130 to be delivered into the mixing box 120 through the material guiding chute 310 and the material guiding pipe 320.

In this embodiment, a spiral material guiding rod 300 for cooperating with the material guiding chute 310 is disposed in the medicine box 130, the spiral material guiding rod 300 is driven by a third motor 330, and a supporting plate 340 for mounting the third motor 330 is disposed at a position corresponding to the side wall of the medicine box 130.

Through the arrangement of the third motor 330 and the spiral guiding rod 300 in this embodiment, the spiral guiding rod 300 can be driven by the third motor 330 to rotate, so that the liquid medicine stored in the medicine storage box 130 can be conveyed into the mixing box 120 through the guiding chute 310 and the guiding pipe 320 under the action of the spiral guiding rod 300.

In this embodiment, a supporting block 250 is disposed at the top of the mixing box 120 corresponding to the outer end of the material guiding chute 310.

Through the arrangement of the supporting block 250 in this embodiment, an operator can fix one end of the material guiding groove 310 on the upper portion of the mixing box 120 through the supporting block 250, so that the material guiding groove 310 can be conveniently installed.

In this embodiment, the stirring mechanism includes the second motor 260 disposed on the top of the mixing box 120 and the stirring rod 700 disposed inside the mixing box 120, and the second motor 260 is used for driving the stirring rod 700.

Through the setting of second motor 260 and puddler 700 in this embodiment for operating personnel is after starting second motor 260, and second motor 260 can drive puddler 700 and take place to rotate, and then stirs the mixture to water and the liquid medicine of pouring into in the mixing box 120.

In this embodiment, the injection mechanism 180 includes 2 mounting blocks 210 vertically disposed on the corresponding side walls of the mixing box 120, a mounting cavity is formed in the mounting block 210 along the vertical direction, and a third through hole 710 for communicating the mounting cavity and the inner cavity of the mixing box 120 is disposed on the corresponding side wall of the mixing box 120; an injection tube 220 is slidably arranged in the mounting cavity along the vertical direction, and the injection tube 220 is driven by a first power assembly; a second through hole 440 communicated with the inner cavity of the injection tube 220 is formed in the part, located in the installation cavity, of the injection tube 220, and the first power assembly is used for realizing the communication and the sealing between the second through hole 440 and the third through hole 710 so as to realize the inflow of the mixed liquid medicine to the inner cavity of the injection tube 220; the injection tube 220 includes a needle tube 400 located at the upper portion and a necking portion located at the lower portion, a piston plate 600 is disposed in an inner cavity of the needle tube 400, and the piston plate 600 is driven by a second power assembly to discharge the mixed liquid medicine at the needle tube 400.

Through the arrangement of the first power assembly in this embodiment, the injection tube 220 can move in the installation cavity, so that the communication and the sealing between the second through hole 440 and the third through hole 710 can be conveniently realized, and when the second through hole 440 is communicated with the third through hole 710, the mixed gel water-retaining agent in the mixing box 120 can flow into the inner cavity of the injection tube 200 through the second through hole 440 and the third through hole 710; meanwhile, the lower part of the injection pipe 220 is a necking, so that the injection pipe 220 can be conveniently inserted to the position near the root of the cash crop when the injection pipe 220 moves towards the ground; through the arrangement of the second power assembly and the piston plate 600, the piston plate 600 can inject the liquid medicine flowing into the inner cavity of the injection tube 220 to the vicinity of the root of the cash crop under the driving of the second power assembly.

In this embodiment, the first power assembly includes a first motor 240, the mounting plate 230 is disposed between the 2 mounting blocks 210, and the first motor 240 is disposed on the upper portion of the mounting plate 230; a first screw rod 241 is connected to an output shaft of the first motor 240, and the first screw rod 241 is in threaded fit with a connecting plate 410; the mounting plate 230 is provided with guide rods 242 at both sides of the first motor 240, and the connecting plate 410 is provided with a first through hole 430 for clearance fit with the guide rods 242; a connector 420 is fixedly disposed between the connection plate 410 and the injection tube 220.

Through the arrangement of the mounting plate 230 in the present embodiment, the first motor 240 can be mounted on the upper portion of the mounting plate 230; through the arrangement of the first motor 240 and the first screw rod 241, the first motor 240 can drive the first screw rod 241 to rotate, so that the injection tube 220 can move along the installation cavity conveniently, and the gel water-retaining agent stored in the inner cavity of the injection tube 220 can be injected into the position near the root of the cash crop under the action of the piston plate 600.

In this embodiment, the connecting member 420 is hollow, the second power assembly includes a second lead screw 500 penetrating the inside of the connecting member 420, and the connecting plate 410 is provided with a fourth motor 510 for driving the second lead screw 500 to rotate; the piston plate 600 is fixed to the inner cavity of the needle tube 400 in the circumferential direction, the second screw 500 is in threaded fit with the middle of the piston plate 600, and the fourth motor 510 is used for driving the piston plate 600 to lift through the second screw 500.

Through the arrangement of the fourth motor 510 and the second lead screw 500 in the embodiment, the second lead screw 500 can be driven by the fourth motor 510 to rotate, so that the second lead screw 500 can drive the piston plate 600 to move along the vertical direction of the installation cavity conveniently; the end of the second screw 500 far from the fourth motor 510 is provided with a bump, and the end surface of the piston plate 600 far from the fourth motor 510 is provided with a counter bore matched with the bump, which can better prevent the piston plate 600 from falling off from the second screw 500 when the piston plate 600 moves to the end of the second screw 500 far from the fourth motor 510.

In this embodiment, the power supply assembly is disposed on the upper end surface of the carrier plate 110, and the power supply assembly includes a battery 160.

Through the arrangement of the storage battery 160 in the embodiment, when the device works, the storage battery 160 can provide power for the first motor 240, the second motor 260, the third motor 330 and the fourth motor 510.

When the water-retaining agent applying device in the embodiment is used specifically, a worker firstly injects water and a gel water-retaining agent into the water storage tank 140 and the medicine storage tank 130 respectively; then, the third motor 330 and the water pump 800 are started; the water in the storage tank 140 is pumped into the mixing tank 120 through the water pump 800; the gel water-retaining agent in the medicine storage box 130 enters the mixing box 120 through the spiral material guiding rod 300; when the second motor 260 is started to rotate the stirring rod 700, the stirring rod 700 can fully mix water and the gel water-retaining agent, and the mixed liquid medicine can enter the injection tube 220 through the first through hole 430 and the second through hole 710; the tractor 100 is started to drive the running mechanism to move, when the injection mechanism 180 moves to the vicinity of the cash crop, the first motor 240 is started, and the injection pipe 220 is inserted into the ground under the drive of the first motor 240 and the first screw rod 241; when the fourth motor 510 is started, the piston plate 600 is driven by the fourth motor 510 and the second screw 500 to move along the axial direction of the injection tube 220, so as to inject the liquid medicine in the injection tube 220 into the vicinity of the root of the cash crop, thereby completing the water-retaining agent dressing operation on the cash crop.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in the claims of the present invention should be included in the scope of the present invention.

Claims

1. A water-retaining agent applying device comprises a travelling mechanism matched with a tractor (100), wherein the travelling mechanism comprises a bearing plate (110) and wheels (170) arranged below the bearing plate (110);

the method is characterized in that: a medicine storage box (130), a water storage box (140) and a mixing box (120) are arranged above the bearing plate (110), the medicine storage box (130) is used for storing a gel water-retaining agent, and the water storage box (140) is used for storing water; a material guide mechanism is arranged between the medicine storage box (130) and the mixing box (120), and the material guide mechanism is used for conveying the gel water-retaining agent at the position of the medicine storage box (130) to the position of the mixing box (120); a water pump mechanism is arranged between the water storage tank (140) and the mixing box (120), and the water pump mechanism is used for conveying water at the medicine storage box (130) to the mixing box (120); a stirring mechanism is arranged at the mixing box (120), and the stirring mechanism is used for mixing the water and the gel water-retaining agent at the mixing box (120) to obtain mixed liquid medicine; the two sides of the bearing plate (110) in the advancing direction of the wheels (170) are respectively provided with an injection mechanism (180), and the injection mechanisms (180) are used for discharging mixed liquid medicine.

2. A water retaining agent applying device according to claim 1, characterized in that: the water storage tank (140) is arranged at the forward position of the bearing plate (110) corresponding to the advancing direction of the wheels (170), and the mixing tank (120) is arranged at the backward position of the bearing plate (110) corresponding to the advancing direction of the wheels (170); the water pump mechanism comprises a water suction pump (800) and a water supply pipe (810) which are connected through a pipeline, and the water suction pump (800) is connected with the bottom of the corresponding side wall of the water storage tank (140) through the pipeline; the top of the mixing box (120) corresponding to the side wall is provided with a water injection hole (270), and the water supply pipe (810) is matched with the water injection hole (270).

3. A water retention agent application device as claimed in claim 2 characterised in that: the outer part of the water storage tank (140) is provided with a mounting frame (150) connected with the bearing plate (110), and the medicine storage box (130) is arranged above the water storage tank (140) through the mounting frame (150); the material guiding mechanism comprises a material guiding groove (310) which is arranged at the bottom of the corresponding side wall of the medicine storage box (130) and is communicated with the inner cavity of the medicine storage box (130), a feeding hole (200) is formed in the top of the mixing box (120), and a material guiding pipe (320) is arranged between the feeding hole (200) and the material guiding groove (310).

4. A water retention agent application device as claimed in claim 3, characterized in that: the spiral material guiding rod (300) matched with the material guide groove (310) is arranged in the medicine storage box (130), the spiral material guiding rod (300) is driven by a third motor (330), and a supporting plate (340) used for installing the third motor (330) is arranged at the position, corresponding to the side wall, of the medicine storage box (130).

5. A water retaining agent applying device according to claim 3, characterized in that: the top of the mixing box (120) is provided with a supporting block (250) corresponding to the outer end of the guide chute (310).

6. The water retaining agent application device of claim 1, wherein: the stirring mechanism comprises a second motor (260) arranged at the top of the mixing box (120) and a stirring rod (700) positioned inside the mixing box (120), and the second motor (260) is used for driving the stirring rod (700).

7. The water retaining agent application device of claim 1, wherein: the injection mechanism (180) comprises 2 mounting blocks (210) vertically arranged on the corresponding side wall of the mixing box (120), a mounting cavity is formed in each mounting block (210) along the vertical direction, and a third through hole (710) used for communicating the mounting cavity with the inner cavity of the mixing box (120) is formed in the corresponding side wall of the mixing box (120); an injection tube (220) is arranged in the mounting cavity in a sliding manner along the vertical direction, and the injection tube (220) is driven by a first power assembly; a second through hole (440) communicated with the inner cavity of the injection tube (220) is formed in the part, located in the installation cavity, of the injection tube (220), and the first power assembly is used for realizing communication and sealing between the second through hole (440) and the third through hole (710) so as to realize that the mixed liquid medicine flows into the inner cavity of the injection tube (220); the injection tube (220) comprises a needle tube part (400) positioned at the upper part and a necking part positioned at the lower part, a piston plate (600) is arranged in the inner cavity of the needle tube part (400), and the piston plate (600) is driven by a second power assembly to realize the discharge of mixed liquid medicine at the position of the needle tube part (400).

8. The water retaining agent application device of claim 7, wherein: the first power assembly comprises a first motor (240), a mounting plate (230) is arranged among the 2 mounting blocks (210), and the first motor (240) is arranged on the upper part of the mounting plate (230); the output shaft of the first motor (240) is connected with a first screw rod (241), and the first screw rod (241) is in threaded fit with the connecting plate (410); the mounting plate (230) is provided with guide rods (242) at two sides of the first motor (240), and the connecting plate (410) is provided with a first through hole (430) in clearance fit with the guide rods (242); a connecting piece (420) is fixedly arranged between the connecting plate (410) and the injection tube (220).

9. The water retaining agent application device of claim 8, wherein: the connecting piece (420) is hollow, the second power assembly comprises a second screw rod (500) penetrating through the connecting piece (420), and a fourth motor (510) for driving the second screw rod (500) to rotate is arranged at the connecting plate (410); the piston plate (600) and the inner cavity of the needle tube part (400) are fixed in the circumferential direction, the second screw rod (500) is in threaded fit with the middle of the piston plate (600), and the fourth motor (510) is used for driving the piston plate (600) to lift through the second screw rod (500).

10. The water retaining agent application device of claim 1, wherein: the power supply assembly is arranged on the upper end face of the bearing plate (110) and comprises a storage battery (160).