A single-cyanamide agricultural plant growth regulator quantitative coating device

Abstract

The present application relates to the technical field of plant cultivation, and especially relates to a single-cyanamide agricultural plant growth regulator quantitative coating device, which comprises a medicine storage cylinder, the bottom of the medicine storage cylinder is fixedly connected with a quantitative pipe, one side of the quantitative pipe is fixedly connected with a conical hopper, and the quantitative pipe and the conical hopper are respectively provided with an adjustable medicine pushing assembly and a movable coating assembly; the present application realizes the effect of adjusting quantitative liquid discharge treatment according to the coating requirement, combines the movable coating assembly, recycles the residual liquid on the brush, avoids the waste caused by dripping during the quantitative liquid feeding process, and can realize fast and accurate quantitative filling, and avoid affecting the discharge amount caused by pushing part of the single-cyanamide into the air pipe.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plant cultivation, and in particular to a single-cyanamide agricultural plant growth regulator quantitative coating device. BACKGROUND

[0002] Single-cyanamide is a strong plant growth regulator, which has the functions of killing insects, sterilizing, weeding and defoliating, needs to be accurately formulated according to crop types and climate conditions, and can stimulate cell division and elongation and accelerate the generation of basic metabolic substances by regulating endogenous hormone balance.

[0003] A plant growth regulator quantitative coating device disclosed in CN217790482U is capable of realizing the quantitative coating effect by rotating the turnover roller with multiple liquid distribution grooves, controlling the rotation number, injecting the growth regulator into the storage cavity and realizing quantitative discharge, but in the actual use process, the coating structure lacks effective overflow anti-dripping effect, it is difficult to ensure that the growth regulator does not drip when the coating head is separated from the plant, precise quantitative coating cannot be realized, in addition, the residual liquid on the coating head cannot be recycled, and the dripping and waste problems occur in the quantitative liquid feeding process. SUMMARY

[0004] The application aims to provide a single-cyanamide agricultural plant growth regulator quantitative coating device to solve the above technical defects.

[0005] The application can be realized by the following technical scheme: a single-cyanamide agricultural plant growth regulator quantitative coating device, comprising a medicine storage cylinder, the bottom of the medicine storage cylinder is fixedly connected with a quantitative pipe, one side of the quantitative pipe is fixedly connected with a conical hopper, an adjustable medicine pushing assembly and a movable coating assembly are arranged in the quantitative pipe and the conical hopper respectively, a liquid inlet is arranged between the medicine storage cylinder and the quantitative pipe, and an air pipe is fixedly connected between the top of the conical hopper and the top of one side of the medicine storage cylinder.

[0006] The adjustable medicine pushing assembly comprises a medicine pushing plunger sliding in the quantitative pipe, a cavity penetrating one side of the medicine pushing plunger is arranged in the inside of the medicine pushing plunger, a limiting sleeve limiting the deflection angle of the medicine pushing plunger is slidingly arranged in the cavity, the bottom of the conical hopper is fixedly connected with a support plate, a lead screw threadedly connected with the medicine pushing plunger is rotatably connected between the support plate and the quantitative pipe, and the closed end of the medicine pushing plunger is fixedly connected with an arc-shaped baffle plate.

[0007] Preferably, a limiting groove is symmetrically arranged on the annular outer wall of the limiting sleeve, a giving groove is arranged on one side of the limiting groove and arranged vertically, and a limiting pin is fixedly connected with the inner side wall of the cavity and matched with the corresponding limiting groove.

[0008] Preferably, one side of the limiting sleeve is fixedly connected with two groups of connecting plates movably penetrating to the outside of the dosing tube, and the end portions of the connecting plates are fixedly connected with an adjusting plate, and the dosing tube is rotationally connected with a screw rod which is threadedly connected with the adjusting plate.

[0009] Preferably, the dosing tube is provided with a speed reducer motor for driving the screw rod to rotate by means of bolts, and the telescopic pipe is fixedly connected between the medicine pushing plunger and the supporting plate and located at the outside of the screw rod.

[0010] Preferably, the screw rod is fixedly connected with a rotating disc, the annular outer wall of the rotating disc is fixedly connected with a movable column which slides thereon by means of springs, and the annular inner wall of the cavity is fixedly connected with a plurality of convex rib strips at equal intervals.

[0011] Preferably, the movable smearing assembly comprises a movable ring which is sealingly and rotationally installed in the conical hopper, a counterweight is embedded and installed at the bottom of the outer wall of the movable ring, one side of the movable ring is fixedly connected with a mounting plate, a plurality of hair gap holes are densely and formed in the mounting plate, and the mounting plate is installed with brush hairs which are inclined downward.

[0012] Preferably, the movable ring is fixedly connected with a mounting block at the inside, the top and bottom sides of the mounting block are respectively fixedly connected with an upper semicircular rubber plate and a lower semicircular rubber plate, the upper semicircular rubber plate abuts against the side of the movable ring which is away from the mounting plate, and the lower semicircular rubber plate abuts against the mounting plate.

[0013] Preferably, the conical hopper is provided with a blocking floating block at the port of the trachea, the top of the blocking floating block is fixedly connected with a guide rod which sealingly slides with the conical hopper, and the end portion of the guide rod is fixedly connected with a circular plate.

[0014] Preferably, a communication port one is formed between the medicine storage cylinder and the dosing tube, a communication port two is formed through the side outer wall of the medicine storage cylinder, an L-shaped plate is slidingly connected between the communication port one and the communication port two, the L-shaped plate is fixedly connected with a U-shaped plate which cooperates with the circular plate and a sealing block which sealingly slides with the communication port two, and an inclined guide surface is formed in one side of the arc-shaped blocking plate.

[0015] The beneficial effects of the present application are as follows:

[0016] The application is through the position adjustment of the limiting sleeve, can adjust the initial position of the medicine pushing plunger in the quantitative tube, can realize the effect of adjusting and dispensing liquid quantitatively according to the smearing demand; and in the quantitative liquid dispensing process, through the rotating movable ring combined with the counterweight, can make the upper semicircular rubber plate always above the lower semicircular rubber plate, for the purpose of single cyanamide growth regulator discharge through the upper half of the mounting plate, the result of the bristles interception, avoid multiple smearing, prevent single cyanamide growth regulator from continuously discharging and dripping to cause waste, and further difficult to achieve the problem of precise quantitative smearing; in addition, when the medicine pushing plunger resets and quantitatively fills liquid, the outside air is extracted through the lower part of the mounting plate, which can extract the single cyanamide growth regulator on the bristles, avoiding the problem of waste caused by dripping during quantitative liquid filling.

[0017] When the application quantitatively fills liquid, the air in the quantitative tube can be returned to the inside of the medicine storage cartridge through the air pipe, to assist the rapid filling efficiency of single cyanamide growth regulator, and after filling is completed, the air pipe end is preliminarily blocked by the buoyancy of the liquid to the blocking buoy, to avoid single cyanamide growth regulator entering the air pipe, to realize precise quantitative filling; and by means of the rotating blocking process of the medicine pushing plunger, combined with the movable column and the convex rib strip, not only can the L-shaped plate be lifted before pushing medicine to strengthen the blocking effect of the blocking buoy on the end of the air pipe, to avoid the problem of pushing part of the single cyanamide growth regulator into the air pipe to affect the discharge amount, but also can make the movable column reciprocatingly impact the medicine pushing plunger to form vibration, to assist the separation of single cyanamide growth regulator in the bristle gap, to realize rapid smearing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] The application will be further described below in combination with the drawings;

[0019] Figure 1 is a structural schematic diagram of the application;

[0020] Figure 2 is an installation schematic diagram of the adjusting type medicine pushing assembly and the movable type smearing assembly of the application;

[0021] Figure 3 is a structural schematic diagram of the quantitative tube of the application;

[0022] Figure 4 is a structural schematic diagram of the medicine pushing plunger of the application;

[0023] Figure 5 is a structural schematic diagram of the limiting sleeve of the application;

[0024] Figure 6 is a structural schematic diagram of the rotating disc of the application;

[0025] Figure 7 is a structural schematic diagram of the movable type smearing assembly of the application;

[0026] Figure 8 Figure is the cooperation schematic diagram of the sealing floating block and the L-shaped plate of the present application.

[0027] Legend:

[0028] 1, medicine storage cylinder; 11, L-shaped plate; 12, U-shaped plate;

[0029] 2, dosing tube; 21, conical hopper; 22, air pipe; 23, sealing floating block; 24, guide rod; 25, round plate;

[0030] 3, adjustable medicine pushing assembly; 31, medicine pushing plunger; 32, limiting sleeve; 33, screw rod; 34, arc-shaped sealing plate; 35, limiting groove; 36, displacement groove; 37, limiting pin; 38, connecting plate; 39, adjusting plate; 310, screw rod; 311, rotating disc; 312, spring; 313, movable column; 314, convex rib;

[0031] 4, movable smearing assembly; 41, movable ring; 42, counterweight; 43, mounting plate; 44, mounting block; 45, upper semicircular rubber plate; 46, lower semicircular rubber plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Embodiment one: please refer to Figures 1-7 As shown in the figure, the embodiment is a single cyanamide agricultural plant growth regulator dosing device, which comprises a medicine storage cylinder 1, the top of the medicine storage cylinder 1 is provided with a liquid injection port, and a cover is threadedly installed on the liquid injection port. The single cyanamide growth regulator is injected into the medicine storage cylinder 1 through the liquid injection port. The bottom of the medicine storage cylinder 1 is fixedly connected with a dosing tube 2, and one side of the dosing tube 2 is fixedly connected with a conical hopper 21.

[0034] The dosing tube 2 and the conical hopper 21 are respectively provided with an adjustable medicine pushing assembly 3 and a movable smearing assembly 4. A liquid inlet is formed between the medicine storage cylinder 1 and the dosing tube 2. The single cyanamide growth regulator is used to quantitatively fill the space between the dosing tube 2 and the conical hopper 21 between the medicine pushing plunger 31 and the movable ring 41 through the liquid inlet. The top of the conical hopper 21 and the top of one side of the medicine storage cylinder 1 are fixedly connected with an air pipe 22.

[0035] The adjustable pushing assembly 3 comprises a pushing plunger 31 sliding in the metering tube 2, through the sliding of the pushing plunger 31 in the metering tube 2, the single cyanamide growth regulator can be pushed out, and the inside of the pushing plunger 31 is provided with a cavity penetrating one side thereof, the cavity is provided with a limiting sleeve 32 limiting the deflection angle of the pushing plunger 31 sliding in the cavity, the bottom of the conical hopper 21 is fixedly connected with a support plate for stable installation of a lead screw 33, and the support plate is rotatably connected with the metering tube 2 through a screw thread connection with the lead screw 33, the closed end of the pushing plunger 31 is fixedly connected with an arc-shaped baffle plate 34 for plugging the liquid inlet to avoid backflow of part of the single cyanamide growth regulator in the metering tube 2 to the storage cartridge 1 during the movement of the pushing plunger 31.

[0036] The annular outer wall of the limiting sleeve 32 is symmetrically provided with a limiting groove 35, and one side of the limiting groove 35 is provided with a clearance groove 36 arranged vertically thereto, and the inner side wall of the cavity is fixedly connected with a limiting pin 37 matched with the corresponding limiting groove 35, when the limiting pin 37 is in the clearance groove 36, the lead screw 33 rotates to carry the pushing plunger 31 to rotate synchronously, so that the pushing plunger 31 carries the arc-shaped baffle plate 34 to rotate 90°, and the arc-shaped baffle plate 34 pluggs the liquid inlet;

[0037] After the arc-shaped baffle plate 34 is deflected by 90°, the limiting pin 37 abuts against one side of the limiting groove 35 to limit the continuous deflection of the pushing plunger 31, and through the rotation of the lead screw 33, the pushing plunger 31 is moved to push the single cyanamide growth regulator in the metering tube 2 into the conical hopper 21.

[0038] One side of the limiting sleeve 32 is fixedly connected with two groups of connecting plates 38 movably penetrating to the outside of the metering tube 2, the connecting plates 38 are arranged to limit the rotation of the limiting sleeve 32, thereby limiting the subsequent rotation of the pushing plunger 31, and the end portions of the connecting plates 38 are fixedly connected with an adjusting plate 39, and the metering tube 2 is rotatably connected with a screw rod 310 screw-connected with the adjusting plate 39;

[0039] The free end of the screw rod 310 is fixedly connected with a twist wheel, when the limiting pin 37 is in the limiting groove 35, the twist wheel is rotated to drive the screw rod 310 to rotate, the rotating screw rod 310 drives the adjusting plate 39 and carries the limiting sleeve 32 to move together with the connecting plate 38, so as to adjust the position of the limiting sleeve 32 in the metering tube 2, so as to change the deflection position of the pushing plunger 31 in the metering tube 2, thereby adjusting the initial distance between the pushing plunger 31 and the conical hopper 21, and completing the adjustment of the filling amount of the single cyanamide growth regulator in the metering tube 2.

[0040] A reduction motor driving the rotation of the lead screw 33 is installed on the metering tube 2 through bolts, and a telescopic pipe is fixedly connected between the pushing plunger 31 and the support plate and located outside the lead screw 33, the telescopic pipe is arranged to protect the lead screw 33 and avoid pollution of the single cyanamide growth regulator.

[0041] The movable smearing assembly 4 comprises a movable ring 41 sealingly and rotatably installed in the conical hopper 21, and a counterweight 42 is embedded and installed at the bottom of the outer wall of the movable ring 41. Through the rotation of the movable ring 41 combined with the counterweight 42, the upper semicircular rubber plate 45 can be always located above the lower semicircular rubber plate 46, so that the cyanamide growth regulator is discharged through the upper half of the mounting plate 43 for the purpose of the upper half of the mounting plate 43, and the bristles of the lower half of the mounting plate 43 are intercepted as a result, avoiding the problem that the cyanamide growth regulator is continuously discharged and dripped to cause waste when smearing multiple times, and further difficult to achieve precise quantitative smearing.

[0042] One side of the movable ring 41 is fixedly connected with the mounting plate 43, and a plurality of gap holes are densely arranged on the mounting plate 43 for discharging the cyanamide growth regulator in the conical hopper 21, and then the smearing treatment is performed by the contact bristles. The mounting plate 43 is provided with inclined downward bristles, so as to avoid the problem that the end of the bristle contacts the plant to cause smearing scratch, and to assist the rapid contact of the cyanamide growth regulator in the bristle gap with the plant.

[0043] The inside of the movable ring 41 is fixedly connected with the mounting block 44, and the top and bottom sides of the mounting block 44 are respectively fixedly connected with the upper semicircular rubber plate 45 and the lower semicircular rubber plate 46. The upper semicircular rubber plate 45 is in contact with the side of the movable ring 41 away from the mounting plate 43, and the lower semicircular rubber plate 46 is in contact with the mounting plate 43. The cyanamide growth regulator in the conical hopper 21 simultaneously extrudes the upper semicircular rubber plate 45 and the lower semicircular rubber plate 46, so that the upper semicircular rubber plate 45 is bent and separated from the movable ring 41.

[0044] The cyanamide growth regulator enters the upper half of the movable ring 41, and then is discharged to the bristle gap through the corresponding gap holes on the mounting plate 43. After each smearing and separation from the plant, the cyanamide growth regulator continuously discharged through the upper half of the mounting plate 43 moves downward under the action of gravity, and is blocked by the bristles on the lower part of the mounting plate 43, so as to prevent continuous discharge and dripping.

[0045] During the reverse resetting process of the medicine plunger 31, the external air is extracted into the quantitative pipe 2. In this process, the upper semicircular rubber plate 45 is in contact with the movable ring 41, and the lower semicircular rubber plate 46 is bent and separated from the mounting plate 43 to extract the external air, and simultaneously the cyanamide growth regulator between the bristles on the lower part of the mounting plate 43 is recovered and extracted, so as to avoid dripping and waste during the quantitative liquid feeding process.

[0046] Example two: please refer to Figures 1-4 、 Figure 6 and Figure 8As shown, the single-cyanamide agricultural plant growth regulator quantitative coating device in the embodiment comprises a medicine storage cylinder 1, the bottom of the medicine storage cylinder 1 is fixedly connected with a quantitative tube 2, one side of the quantitative tube 2 is fixedly connected with a conical hopper 21, and the quantitative tube 2 and the conical hopper 21 are respectively provided with an adjustable medicine pushing assembly 3 and a movable coating assembly 4;

[0047] A liquid inlet is formed between the medicine storage cylinder 1 and the quantitative tube 2, the top of the conical hopper 21 and the top of one side of the medicine storage cylinder 1 are fixedly connected with an air pipe 22, and the air pipe 22 can return the air in the quantitative tube 2 to the inside of the medicine storage cylinder 1, so as to assist the rapid filling efficiency of the single-cyanamide growth regulator.

[0048] The rotating disc 311 is fixedly connected with a spring 312 on the annular outer wall of the rotating disc 311, and the spring 312 is fixedly connected with a movable column 313 which slides on the rotating disc 311, a plurality of convex rib strips 314 are fixedly connected with the annular inner wall of the cavity at equal intervals, in the coating process, the rotating disc 311 is driven to rotate by the screw rod 33, the rotation of the medicine pushing plunger 31 is limited by the limiting pin 37, the movable column 313 is revolved, and the movable column 313 continuously impacts the medicine pushing plunger 31 to form vibration in combination with the convex rib strip 314 and the spring 312, so as to assist the separation of the single-cyanamide growth regulator in the bristle gap and to quickly coat and treat.

[0049] The conical hopper 21 is provided with a blocking floating block 23 at the port of the air pipe 22, with the filling of the single-cyanamide growth regulator in the conical hopper 21, the air contained in the conical hopper 21 is returned to the medicine storage cylinder 1 through the air pipe 22, so as to assist the rapid filling of the single-cyanamide growth regulator, until the liquid surface of the single-cyanamide growth regulator contacts the blocking floating block 23, under the action of buoyancy, the blocking floating block 23 is lifted, and then the end of the air pipe 22 is blocked, so as to prevent the single-cyanamide growth regulator from entering the inside of the air pipe 22, to complete the quantitative filling;

[0050] The top of the blocking floating block 23 is fixedly connected with a guide rod 24 which sealingly slides with the conical hopper 21, the guide rod 24 is arranged to increase the stability of the lifting movement of the blocking floating block 23, the end of the guide rod 24 is fixedly connected with a circular plate 25, so that the medicine pushing plunger 31 is reset, and when the liquid surface of the single-cyanamide growth regulator in the conical hopper 21 is low, the height of the blocking floating block 23 is limited from descending, so as to prevent the guide rod 24 from separating from the conical hopper 21.

[0051] A communication port one is formed between the medicine storage cylinder 1 and the quantitative tube 2, a communication port two is formed through the side outer wall of the medicine storage cylinder 1, an L-shaped plate 11 is slidingly connected between the communication port one and the communication port two, the L-shaped plate 11 is fixedly connected with a U-shaped plate 12 which cooperates with the circular plate 25, and a sealing block which sealingly slides with the communication port two, an inclined guide surface is formed on one side of the arc-shaped blocking plate 34;

[0052] With the interference of the movable column 313 and the corresponding rib strip 314, the rotating force of the lead screw 33 carrying the medicine pushing plunger 31 is increased, combined with the inclined guide surface opened on the arc-shaped blocking plate 34, the L-shaped plate 11 carrying the U-shaped plate 12 is pushed to move upward, so that the top of the U-shaped plate 12 interferes with the bottom of the circular plate 25, and the blocking floating block 23 is further pushed to move upward by the guide rod 24, thereby increasing the sealing of the end of the air pipe 22.

[0053] Embodiment three: please refer to Figures 1-8 As shown in the figure, the application also provides a method for using a single cyanamide agricultural plant growth regulator quantitative coating device, which comprises the following steps:

[0054] Step one: inject the single cyanamide growth regulator into the medicine storage cylinder 1, and fill the single cyanamide growth regulator into the space between the medicine pushing plunger 31 and the movable ring 41 through the liquid inlet of the quantitative pipe 2 and the conical hopper 21, and when the single cyanamide growth regulator is filled into the conical hopper 21, the air contained in the conical hopper 21 is returned to the medicine storage cylinder 1 through the air pipe 22, thereby assisting the rapid filling of the single cyanamide growth regulator, until the liquid surface of the single cyanamide growth regulator contacts the blocking floating block 23, under the action of buoyancy, the blocking floating block 23 is lifted, and then the end of the air pipe 22 is blocked, so as to prevent the single cyanamide growth regulator from entering the air pipe 22, thereby completing the quantitative filling;

[0055] Step two: the lead screw 33 is slowly rotated by the speed reducer motor, and the rotating lead screw 33 carries the medicine pushing plunger 31 to rotate synchronously through the sliding of the limiting pin 37 in the let go slot 36, the medicine pushing plunger 31 carries the arc-shaped blocking plate 34 to rotate 90°, the arc-shaped blocking plate 34 blocks the liquid inlet, and with the interference of the movable column 313 and the corresponding rib strip 314, the rotating force of the lead screw 33 carrying the medicine pushing plunger 31 is increased, combined with the inclined guide surface opened on the arc-shaped blocking plate 34, the L-shaped plate 11 carrying the U-shaped plate 12 is pushed to move upward, so that the top of the U-shaped plate 12 interferes with the bottom of the circular plate 25, and the blocking floating block 23 is further pushed to move upward by the guide rod 24, thereby increasing the sealing of the end of the air pipe 22;

[0056] Step three: after the arc-shaped blocking plate 34 is deflected by 90°, the limiting pin 37 interferes with one side of the limiting slot 35, limiting the continuous deflection of the medicine pushing plunger 31, and through the rotation of the lead screw 33, the medicine pushing plunger 31 is moved, the single cyanamide growth regulator in the quantitative pipe 2 is pushed into the conical hopper 21, and the single cyanamide growth regulator in the conical hopper 21 simultaneously extrudes the upper half circular rubber plate 45 and the lower half circular rubber plate 46, so that the upper half circular rubber plate 45 is bent and separated from the movable ring 41, the single cyanamide growth regulator enters the upper half part of the movable ring 41, and then is discharged into the gap between the bristles through the corresponding gap hole on the mounting plate 43, at this time, the bristles are used for growth regulator coating treatment of plants;

[0057] Step four: in the process of smearing, the rotating disc 311 is driven to rotate by the screw rod 33, the rotation of the medicine pushing plunger 31 is limited by the limiting pin 37, the movable column 313 revolves, the movable column 313 constantly hits the medicine pushing plunger 31 to form vibration combined with the spring 312 and the convex rib strip 314, the vibration helps the separation of the monochromatic growth regulator in the gap of the brush, and the monochromatic growth regulator continuously discharged on the upper half of the mounting plate 43 is moved downward under the action of gravity after being separated from the plant once by smearing, and is blocked by the brush on the lower part of the mounting plate 43 to prevent continuous discharge and dripping, until the quantitative monochromatic growth regulator is completely smeared on the single plant, and the deceleration motor is reversed;

[0058] Step five: in the reverse resetting process of the medicine pushing plunger 31, external air is extracted into the quantitative tube 2, in this process, the upper half of the rubber plate 45 is in contact with the movable ring 41, the lower half of the rubber plate 46 is bent and separated from the mounting plate 43 to extract external air, and the monochromatic growth regulator between the lower part of the mounting plate 43 is extracted synchronously to avoid dripping and waste during the quantitative liquid feeding process, until the limiting pin 37 enters the position slot 36, the rotation of the medicine pushing plunger 31 is no longer limited, the screw rod 33 carries the medicine pushing plunger 31 to reset and rotate, the arc-shaped blocking plate 34 no longer blocks the liquid inlet, the L-shaped plate 11 is separated from the arc-shaped blocking plate 34 and descends, the blocking floating block 23 descends and no longer blocks the end of the air pipe 22 to feed the liquid quantitatively;

[0059] Step six: when the medicine pushing plunger 31 performs horizontal resetting movement, the rotation of the deceleration motor is stopped, the screw rod 310 is driven to rotate by the rotating torsion wheel, the screw rod 310 drives the adjusting plate 39 and the connecting plate 38 to carry the limiting sleeve 32 to move, so that the position of the limiting sleeve 32 in the quantitative tube 2 is adjusted, the deflection position of the medicine pushing plunger 31 in the quantitative tube 2 is changed, and the initial distance between the medicine pushing plunger 31 and the conical hopper 21 is adjusted, and the filling amount of the monochromatic growth regulator in the quantitative tube 2 is adjusted.

[0060] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mono-cyanamide agricultural plant growth regulator dosing device comprising a cartridge (1) characterized in that, The bottom of the medicine storage cylinder (1) is fixedly connected with a dosing tube (2), and one side of the dosing tube (2) is fixedly connected with a conical hopper (21), and the dosing tube (2) and the conical hopper (21) are respectively provided with an adjustable medicine pushing assembly (3) and a movable smearing assembly (4), and a liquid inlet is arranged between the medicine storage cylinder (1) and the dosing tube (2), and a gas pipe (22) is fixedly connected between the top of the conical hopper (21) and the top of one side of the medicine storage cylinder (1). The adjustable medicine pushing assembly (3) comprises a medicine pushing plunger (31) sliding in the dosing tube (2), and the inside of the medicine pushing plunger (31) is provided with a cavity penetrating through one side thereof, and the cavity is slidingly provided with a limiting sleeve (32) limiting the deflection angle of the medicine pushing plunger (31), and the bottom of the conical hopper (21) is fixedly connected with a supporting plate, and the supporting plate is rotatably connected with the dosing tube (2) through a threaded rod (33) threadedly connected with the medicine pushing plunger (31), and the closed end of the medicine pushing plunger (31) is fixedly connected with an arc-shaped baffle (34). The annular outer wall of the limiting sleeve (32) is symmetrically provided with a limiting groove (35), and one side of the limiting groove (35) is provided with a clearance groove (36) arranged perpendicularly thereto, and the inner side wall of the cavity is fixedly connected with a limiting pin (37) matched with the corresponding limiting groove (35). One side of the limiting sleeve (32) is fixedly connected with two groups of connecting plates (38) movably penetrating to the outside of the dosing tube (2), and the end portions of the connecting plates (38) are fixedly connected with an adjusting plate (39), and the dosing tube (2) is rotatably connected with a screw rod (310) threadedly connected with the adjusting plate (39). The movable smearing assembly (4) comprises a movable ring (41) sealingly and rotatably installed in the conical hopper (21), and a counterweight (42) is embedded and installed at the bottom of the outer wall of the movable ring (41), and one side of the movable ring (41) is fixedly connected with a mounting plate (43), and a plurality of hair gap holes are densely arranged on the mounting plate (43), and the mounting plate (43) is provided with brush hairs inclined downward. The inside of the movable ring (41) is fixedly connected with a mounting block (44), and the top and bottom sides of the mounting block (44) are respectively fixedly connected with an upper semicircular rubber plate (45) and a lower semicircular rubber plate (46), and the upper semicircular rubber plate (45) abuts against one side of the movable ring (41) away from the mounting plate (43), and the lower semicircular rubber plate (46) abuts against the mounting plate (43).

2. The monomethylurea agricultural plant growth regulator dosing device according to claim 1, characterized in that, A speed reduction motor driving the rotation of the threaded rod (33) is mounted on the dosing tube (2) through bolts, and a telescopic pipe is fixedly connected between the medicine pushing plunger (31) and the supporting plate and located outside the threaded rod (33).

3. The single-cyanamide agricultural plant growth regulator dosing device according to claim 1, characterized in that, A turntable (311) is fixedly connected to the threaded rod (33), and a movable column (313) slidingly connected thereto is fixedly connected to the annular outer wall of the turntable (311) through a spring (312), and a plurality of convex rib strips (314) are equidistantly fixedly connected to the annular inner wall of the cavity.

4. The single-cyanamide agricultural plant growth regulator dosing device according to claim 1, characterized in that, The inside of the conical hopper (21) is provided with a sealing float (23) at the port of the air pipe (22), the top of the sealing float (23) is fixedly connected with a guide rod (24) which is in sealing sliding with the conical hopper (21), and the end of the guide rod (24) is fixedly connected with a round plate (25).

5. The single-cyanamide agricultural plant growth regulator dosing device according to claim 4, characterized in that, The storage cartridge (1) and the quantitative tube (2) are provided with a communication port one, a through communication port two is provided on the side outer wall of the storage cartridge (1), the communication port one and the communication port two are slidably connected with an L-shaped plate (11), the L-shaped plate (11) is fixedly connected with a U-shaped plate (12) matched with the round plate (25), and a sealing block in sealing sliding with the communication port two, an inclined guide surface is provided on one side of the arc-shaped blocking plate (34).

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