CN111700053B

CN111700053B - Fruit tree nursing device

Info

Publication number: CN111700053B
Application number: CN202010763248.9A
Authority: CN
Inventors: 廖铁仙
Original assignee: 山东烟富农业科技有限公司
Current assignee: Shandong Yanfu Agricultural Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2022-04-12
Anticipated expiration: 2040-07-31
Also published as: CN111700053A

Abstract

The invention provides a fruit tree nursing device, which comprises: the nursing structure is arranged in the greenhouse; further comprising: the first linear guide rail is connected to the ground through a first support; the second linear guide rail is connected to the ground through a second support and is arranged in parallel with the first linear guide rail at intervals; the middle part of the screw rod is connected to a first sliding block on the first linear guide rail through a screw rod nut, and two ends of the screw rod are connected to a first support through bearing seats respectively; the motor is connected to the side wall of the bearing seat through the section bar and is connected with one end of the screw rod; the spraying pipe fitting is arranged between the first linear guide rail and the second linear guide rail, one end of the spraying pipe fitting is connected with the side wall of the first sliding block, and the other end of the spraying pipe fitting is connected with the side wall of the second sliding block on the second linear guide rail; and a transfusion device connected with the spraying pipe fitting; the technical problems that the labor intensity of workers is high, and the uniformity of sprayed pesticide, fertilizer and other solutions is relatively poor during manual operation, so that the effects of fertilization and pest control are influenced are solved.

Description

Fruit tree nursing device

Technical Field

The invention relates to a fruit tree nursing device.

Background

The variety of the fruit trees is various, and when the fruit trees are cultivated, proper saplings need to be selected firstly, and the survival rate of the fruit trees can be improved only by cultivating healthy saplings; when people cultivate the saplings, the cultivation is usually carried out in a greenhouse, which is beneficial to fertilizing, controlling diseases and pests and the like of the saplings, so that the saplings can grow healthily; in the specific implementation, some disadvantages were found to exist: because of the limitation of the greenhouse, mechanical equipment is difficult to enter, manual work is needed when the saplings are fertilized and the diseases and the pests are treated, the labor intensity of the manual work is high, and the uniformity of sprayed nursing solutions such as pesticides, fertilizers and water is relatively poor during manual operation, so that the effects of fertilization and the diseases and the pests are influenced.

Disclosure of Invention

Based on this, there is a need for a fruit tree nursing device;

the technical scheme for realizing the purpose is as follows: a fruit tree care device, comprising: a greenhouse; further comprising: at least one nursing structure arranged in the greenhouse;

the nursing structure comprises a first linear guide rail, a second linear guide rail and a plurality of first supports, wherein the first linear guide rail is connected to the ground through the plurality of first supports and arranged on one side of the field;

the second linear guide rail is connected to the ground through a plurality of second supports, arranged in parallel with the first linear guide rail at intervals and arranged on the other side of the field;

the middle part of the screw is connected to a first sliding block on the first linear guide rail through a screw nut, and two ends of the screw are connected to the first support through a bearing seat respectively;

the motor is connected to the side wall of one of the bearing seats through a profile, is connected with one end of the lead screw, and is used for driving the lead screw to rotate and linking the lead screw nut;

the spraying pipe fitting is arranged between the first linear guide rail and the second linear guide rail, one end of the spraying pipe fitting is connected with the side wall of the first sliding block, the other end of the spraying pipe fitting is connected with the side wall of the second sliding block on the second linear guide rail, and the spraying pipe fitting can move back and forth along the field along with the first sliding block and the second sliding block and is used for spraying the nursing solution to the saplings;

the infusion device is arranged on the ground and connected with the spraying pipe fitting and is used for inputting the nursing solution into the spraying pipe fitting;

wherein the spray pipe comprises: a quiescent state and an active state; in the static state, the spraying pipe fitting is suspended between the first linear guide rail and the second linear guide rail and is arranged close to the motor; in the active state, the spraying pipe fitting moves to and fro along the first linear guide rail and the second linear guide rail together with the lead screw nut under the action of the motor and the lead screw.

Further: the first support and the second support structure are identical and both comprise: a first hollow square tube; and the two first plates are symmetrically connected to two ends of the first hollow square tube.

Further: the bearing housing includes: the T-shaped seat is connected to the first support; the bearing is connected to the T-shaped seat and is connected with the lead screw; and the gland is connected to the T-shaped seat and presses the bearing.

Further: the spray tube includes: a first tube having a plurality of spray holes, said spray holes facing said field; the two second plates are symmetrically connected to two ends of the first pipe and are used for being connected with the first sliding block or the second sliding block respectively; and the liquid inlet pipe is connected to the top of the first pipe, communicated with the first pipe and used for connecting the infusion device.

Further: the infusion device comprises: the top of the liquid storage tank is provided with a feeding port and a first pipe orifice, and the bottom of the liquid storage tank is arranged on the ground and is arranged on one side of the second linear guide rail; the water pump is connected between the liquid storage tank and the liquid inlet pipe through a second pipeline; and the stirring piece is connected to the first pipe orifice and is used for stirring the nursing solution in the liquid storage tank.

Further: the stirring member includes: the motor is connected to the first pipe orifice; one end of the stirring shaft is connected with a transmission shaft on the motor, and the other end of the stirring shaft extends into the liquid storage tank; and at least two blades connected to the stirring shaft for stirring the care solution.

By adopting the technical scheme, the method has the following beneficial effects: compared with the related art, the fruit tree nursing device is characterized in that at least one nursing structure is arranged in a greenhouse; the nursing structure forms tracks on two side edges of the field through the first linear guide rail and the second linear guide rail; the middle part of the screw rod is connected to the first linear guide rail through a screw rod nut, the two ends of the screw rod are connected to the first support through bearing seats respectively, and the screw rod is driven by a motor; the spraying pipe fitting is connected between the first linear guide rail and the second linear guide rail and is connected with the infusion device; nursing solution is input into the spraying pipe fitting through the infusion device, the motor drives the screw rod to rotate, so that the screw rod nut moves back and forth along the first linear guide rail, and meanwhile, the spraying pipe fitting is linked to move back and forth along the first linear guide rail and the second linear guide rail at a constant speed, so that the nursing solution can be uniformly sprayed, and the effects of fertilization and pest control are improved; therefore, the technical problems that manual labor intensity is high, and the effects of fertilization and pest control are affected due to the fact that during manual operation, the uniformity of sprayed nursing solutions such as pesticides and fertilizers is relatively poor are solved, the manual labor intensity is low, the uniformity of the sprayed nursing solutions such as pesticides and fertilizers is good, and the technical effects of fertilization and pest control are improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention in practical use;

FIG. 2 is a schematic view of the three-dimensional structure of the present invention after removing the green house and the seedlings;

FIG. 3 is a schematic three-dimensional structure of a first linear guide rail, a first support, a lead screw nut, a bearing seat, a motor and a profile according to the present invention;

FIG. 4 is a front view of FIG. 3 of the present invention;

FIG. 5 is an enlarged partial view of portion A of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged partial view of portion B of FIG. 4 in accordance with the present invention;

FIG. 7 is a schematic three-dimensional view of the spray tube of the present invention;

FIG. 8 is a schematic three-dimensional view of an infusion device in accordance with the present invention;

FIG. 9 is a schematic view of the configuration of the stirring element of the infusion set in accordance with the present invention;

FIG. 10 is a schematic three-dimensional view of the spray tube of the present invention with an added outer sleeve;

FIG. 11 is an enlarged partial view of section C of FIG. 10 in accordance with the present invention;

FIG. 12 is a partial cross-sectional view of FIG. 10 of the present invention;

FIG. 13 is a schematic three-dimensional view of an insert on the outer casing member according to the present invention;

in the figure: 10. the automatic tree planting machine comprises a first linear guide rail, 20, a first support, 21, a first hollow square tube, 22, a first plate, 30, a second linear guide rail, 40, a second support, 50, a screw rod, 60, a screw rod nut, 70, a bearing seat, an 71. T-shaped seat, 72, a bearing, 73, a gland, 80, a motor, 90, a section bar, 100, a spraying pipe fitting, 101, a first pipe, 101-1, a liquid spraying hole, 102, a second plate, 103, a liquid inlet pipe, 110, a liquid conveying device, 111, a liquid storage tank, 111-1, a feeding port, 111-2, a first pipe orifice, 112, a water pump, 113, a second pipeline, 114, a stirring piece, 114-1, a motor, 114-2, a stirring shaft, 114-3, blades, 200, 300, a greenhouse and 400 tree seedlings.

Detailed Description

In order that the matter may be more readily and clearly understood, further details are set forth in the following description, taken in conjunction with the accompanying drawings, in which like reference numerals refer to like parts;

a fruit tree nursing device solves the technical problems that the labor intensity of workers in the related technology is high, and the uniformity of nursing solutions such as sprayed pesticides and fertilizers is relatively poor and the effects of fertilization and pest control are affected when the nursing devices are manually operated; the spraying device can be manufactured and used, and achieves the positive effects of relatively low labor intensity, good uniformity of sprayed pesticide, fertilizer and other care solutions, and improved fertilization and disease and pest control; the general idea is as follows:

one embodiment is as follows:

see fig. 1, 2; a fruit tree care device, comprising: 300, a greenhouse; further comprising: at least one nursing structure disposed within the greenhouse 300;

the care structure comprises: a first linear guide 10 connected to the ground through a plurality of first supports 20 and disposed at one side of the field 200;

a second linear guide 30 connected to the ground through a plurality of second supports 40, spaced apart from and arranged in parallel with the first linear guide 10, and disposed on the other side of the field 200;

a screw 50, the middle part of which is connected to the first slide block on the first linear guide rail 10 through a screw nut 60, and the two ends of which are connected to the first support 20 through a bearing block 70 respectively;

a motor 80 connected to a side wall of one of the bearing seats 70 through a profile 90 and connected to one end of the lead screw 50, for driving the lead screw 50 to rotate, and linking the lead screw nut 60;

a spraying pipe member 100 disposed between the first linear guide 10 and the second linear guide 30, having one end connected to a sidewall of the first slider and the other end connected to a sidewall of the second slider on the second linear guide 30, and capable of moving back and forth along the field 200 along with the first slider and the second slider, for spraying the care solution to the saplings 400;

and an infusion set 110 disposed on the floor and connected to the spraying tube 100 for introducing the treatment solution into the spraying tube 100;

specifically, in practice, the first linear guide 10 and the second linear guide 30 are provided, and rails are formed on both side edges of the field 200; the lead screw 50 is arranged, the middle part of the lead screw is connected to the first linear guide rail 10 through a lead screw nut 60, the two ends of the lead screw are respectively connected to the first support 20 through bearing blocks 70, and the lead screw 50 is driven by a motor 80; a spraying pipe fitting 100 connected between the first linear guide 10 and the second linear guide 30 and connected with the infusion set 110; nursing solution is input into the spraying pipe fitting 100 through the infusion device 110, the motor 80 drives the lead screw 50 to rotate, so that the lead screw nut 60 moves back and forth along the first linear guide rail 10, and meanwhile, the spraying pipe fitting 100 moves back and forth along the first linear guide rail 10 and the second linear guide rail 30 at a constant speed in a linkage manner, so that the nursing solution can be uniformly sprayed, the effects of fertilization and pest control are improved, and the operation is more convenient;

in another embodiment:

see fig. 1, 2, 3, 4; in practice, the first linear guide 10 and the second linear guide 30 both adopt the common structure of the linear guide in the prior art, and include: a rail connected to the first support 20 or the second support 40 by a countersunk bolt; the first sliding block or the second sliding block is connected with the track in a sliding mode through the through groove, and the section of the through groove is approximately T-shaped, so that the first sliding block or the second sliding block can move along the track; those skilled in the art, having the benefit of this disclosure, will be able to ascertain directly and unambiguously how to arrange them without undue experimentation and without creative effort;

in another embodiment:

see fig. 1, 2, 3, 4; in practice, the first support 20 and the second support 40 are structurally identical and both comprise: a first hollow square tube 21; two first plates 22 symmetrically connected to both ends of the first hollow square tube 21; the first hollow square tube 21 and the first plate 22 are welded, the first plate 22 at the bottom is connected with a pre-embedded bolt reserved on the cement ground, the first plate 22 at the top is used for being connected with the first linear guide rail 10 and the second linear guide rail 30 or the bearing block 70 through a countersunk bolt, and the mounting and the dismounting are convenient;

in another embodiment:

see fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6; in implementation, the lead screw 50 is machined by a section of round steel, the middle part of the lead screw is a threaded section and is used for being in threaded connection with the lead screw nut 60, and two ends of the lead screw are respectively provided with a section of round shaft and are respectively used for being tightly matched with the bearing 72 according to normal tolerance and positioning the lead screw 50;

the section of the screw nut 60 is approximately of a T-shaped structure, an outer hexagonal bolt penetrates between the bottom of the screw nut 60 and a first sliding block on the first linear guide rail 10 to be connected, so that the screw nut 60 and the first sliding block are connected into a relative whole, and when the screw nut 60 moves along the screw 50, the first sliding block can move along the track on the first linear guide rail 10, so that the movement stability is ensured;

the bearing housing 70 includes: a T-shaped seat 71 connected to the first support 20; a bearing 72 connected to the T-shaped seat 71 and connected to the lead screw 50; a gland 73 connected to the T-shaped seat 71 and pressing the bearing 72; a countersunk bolt penetrates between the T-shaped seat 71 and the first plate 22 to be connected, a stepped through hole is formed in the middle part of the T-shaped seat, the end part of the lead screw 50 can conveniently penetrate through the stepped through hole, a bearing 72 is connected between the stepped through hole and the end part of the lead screw 50, and the end part of the lead screw 50 is fixed; the bearing 72 adopts a deep groove ball bearing; the gland 73 is machined by a circular plate and is connected with the T-shaped seat 71 through an outer hexagonal bolt piece to press the bearing 72 so as to prevent the bearing 72 from sliding off;

the motor 80 is of a common structure in the prior art, such as a vertical speed reduction motor, and is connected with one end of the lead screw 50 through a diaphragm coupling, a pin coupling, and the like, and is used for driving the lead screw 50 to rotate;

the section bar 90 is formed by bending a plate, the section is approximately of a Z-shaped structure, one side of the section bar is connected with the motor 80 through an outer hexagonal bolt, and the other side of the section bar is connected with the side wall of the T-shaped seat 71 through an outer hexagonal bolt for supporting the motor 80;

the motor 80 drives the screw 50 to rotate, so that the screw nut 60 and the first sliding block move along the screw 50;

in another embodiment:

see fig. 1, 2, 7; in practice, the spray tube 100 comprises: a first tube 101 having a plurality of spray holes 101-1, said spray holes 101-1 facing said field 200; two second plates 102 symmetrically connected to both ends of the first pipe 101 for being connected to the first slider or the second slider, respectively; the liquid inlet pipe 103 is connected to the top of the first pipe 101, communicated with the first pipe 101 and used for connecting the infusion device 110;

the first pipe 101 is a section of stainless steel straight pipe; the aperture of the liquid spraying hole 101-1 is two millimeters; the second plate 102 is a rectangular plate, is welded with the first pipe 101, and is used for being respectively connected with the first sliding block or the second sliding block through an outer hexagonal bolt so as to facilitate the installation and the disassembly of the spraying pipe fitting 100; the liquid inlet pipe 103 is a section of stainless steel straight pipe and is welded with the first pipe 101;

the spraying pipe fitting 100 is arranged, so that the nursing solution can be sprayed out from the plurality of liquid spraying holes 101-1 to be sprayed on the field 200 relatively uniformly;

in practice, the spray tube 100 comprises: a quiescent state and an active state; in the static state, the spraying pipe fitting 100 is suspended between the first linear guide rail 10 and the second linear guide rail 30 and is arranged close to the motor 80, so that the normal operation of an operator is not influenced; in the active state, the spraying pipe fitting 100 moves back and forth along the first linear guide 10 and the second linear guide 30 under the action of the motor 80 and the lead screw 50 and the lead screw nut 60; the spraying pipe fitting 100 is higher than the sapling 400, the distance between the spraying pipe fitting 100 and the field 200 is at least two meters generally, so that an operator can conveniently enter the spraying pipe fitting, a maintenance preparation is adopted before the sapling 400 is planted to condition the soil, and the spraying pipe fitting 100 can reciprocate back and forth, so that the maintenance preparation can be uniformly contacted with the soil, the nutrition uniformity of the soil is ensured, and the growth of the sapling 400 is facilitated; after the saplings 400 are planted, the spraying pipe fittings 100 reciprocate back and forth to uniformly spray the pesticide and the like, so that the working efficiency is improved, the spraying is relatively uniform, and the effects of fertilization and pest control are improved;

in another embodiment:

see fig. 1, 2, 8, 9; in practice, the infusion device 110 comprises: a liquid storage tank 111 having a top with a charging opening 111-1 and a first nozzle 111-2, a bottom disposed on the ground and disposed at one side of the second linear guide 30; a water pump 112 connected between the liquid storage tank 111 and the liquid inlet pipe 103 through a second pipeline 113; and a stirring member 114 connected to the first pipe port 111-2 for stirring the care solution in the liquid storage tank 111;

the feed inlet 111-1 is a section of round pipe and is used for adding a care solution;

the first pipe orifice 111-2 is formed by combining a straight pipe and a flange, and is conveniently connected with the motor 114-1 through the flange;

the liquid storage tank 111 can be a plastic tank, the top of the liquid storage tank is provided with a liquid supplementing port, and the side wall of the liquid storage tank is provided with a liquid outlet close to the bottom; the water pump 112 is of a structure commonly used in the art, such as an IH pump; the second pipe 113 includes: the hose, a flange connected to the hose and a ball valve connected to the hose are connected with the water pump 112 or the liquid outlet through the flange, sleeved with the liquid inlet pipe 103 through the hose and fastened by a binding belt; those skilled in the art, having the benefit of this disclosure, will be able to ascertain directly and unambiguously how to arrange them without undue experimentation and without creative effort;

the stirring member 114 includes: a motor 114-1, which is connected to the first pipe orifice 111-2 by penetrating through the outer hexagonal bolt; one end of the stirring shaft 114-2 is connected with the transmission shaft on the motor 114-1, and the other end extends into the liquid storage tank 111; and at least two blades 114-3 connected to the stirring shaft 114-2 for stirring the care solution; the motor 114-1 adopts a common structure in the prior art, such as a Y2 type common motor, a servo stepping motor and the like; the stirring shaft 114-2 is machined by a section of round steel, one end of the stirring shaft is tightly matched with the transmission shaft and is connected with the transmission shaft through a key, and at least one bolt is connected to the stirring shaft 114-2 and props against the transmission shaft, so that the stirring shaft 114-2 and the transmission shaft can be connected more reliably; the blades 114-3 are of a cuboid structure, are welded with the stirring shaft 114-2, and form a large outer edge with the size smaller than the inner diameter of the first pipe orifice 111-2, so that the stirring member 114 can be conveniently installed; the stirring piece 114 is arranged to make the nursing solution more uniform, form a fluid state, facilitate the delivery of the water pump 112, and the fluid state is convenient for the spraying pipe fitting 100 to spray uniformly;

the infusion device 110 is arranged, so that the nursing solution can be smoothly guided into the spraying pipe fitting 100, and the hose is adopted, when the spraying pipe fitting 100 moves along the first linear guide rail 10 and the second linear guide rail 30, the hose can move along with the spraying pipe fitting 100, so that the blocking cannot be generated, and the movement is smooth;

in another embodiment:

see fig. 1, fig. 2, fig. 10, fig. 11, fig. 12, fig. 13; when in implementation, the method further comprises the following steps: a sleeve member 120, which is sleeved on the first tube 101, and forms a first cavity 121 with the first tube 101, the first cavity 121 surrounds the liquid spraying hole 101-1, and the first cavity 121 can contain the care solution;

the outer jacket member 120 includes: a sleeve 122 sleeved on the first pipe 101, forming the first cavity 121 with the first pipe 101, wherein a long through groove 122-1 is formed on a side wall of the sleeve 122; a liquid guide plate 123, one end of which is connected to the outer wall of the sleeve 122 and aligned with the long through groove 122-1, and the other end of which is inclined downwards; the inserting block 124 is matched in the long through groove 122-1 and can slide along the long through groove 122-1;

the sleeve 122 is a section of circular tube, the length dimension of the sleeve is 90% of that of the first tube 101, the sleeve and the first tube 101 are welded through circular ring-shaped plates at two ends to form a first cavity 121 which is relatively sealed, and the first cavity 121 can contain nursing solution, so that the nursing solution overflows from the long through groove 122-1;

as the first cavity 121 can contain the nursing solution, the liquid spraying hole 101-1 is always soaked in the nursing solution and has less contact with air, so that the rusting probability is reduced, the blocking probability of the liquid spraying hole 101-1 is reduced, frequent cleaning is not needed, and the operation is more convenient;

the liquid guide plate 123 is a flat plate or a corrugated plate, is welded with the outer wall of the sleeve 122, and forms an included angle beta of 20-30 degrees with the long through groove 122-1, so that the nursing solution can slowly and uniformly slide down along the liquid guide plate 123 after overflowing from the long through groove 122-1, and the effects of fertilizing and pest control are improved;

the insertion block 124 is made of plastic and is integrally injection-molded, is inserted into the long through groove 122-1, can slide along the long through groove 122-1, can clean the long through groove 122-1, can prevent the long through groove 122-1 from being blocked, and is convenient to operate;

the working principle is as follows: a first linear guide 10 and a second linear guide 30 are provided, forming tracks on both side edges of the field 200; the lead screw 50 is arranged, the middle part of the lead screw is connected to the first linear guide rail 10 through a lead screw nut 60, the two ends of the lead screw are respectively connected to the first support 20 through bearing blocks 70, and the lead screw 50 is driven by a motor 80; a spraying pipe fitting 100 connected between the first linear guide 10 and the second linear guide 30 and connected with the infusion set 110; the nursing solution is input into the spraying pipe fitting 100 through the infusion device 110, the motor 80 drives the screw rod 50 to rotate, the screw rod nut 60 moves back and forth along the first linear guide rail 10, and meanwhile, the spraying pipe fitting 100 moves back and forth along the first linear guide rail 10 and the second linear guide rail 30 at a constant speed in a linkage mode, so that the nursing solution can be uniformly sprayed, the effects of fertilization and pest control are improved, and the operation is convenient.

Claims

1. A fruit tree care device, comprising: a greenhouse; it is characterized by also comprising: at least one nursing structure arranged in the greenhouse;

the care structure comprises: the first linear guide rail is connected to the ground through a plurality of first supports and arranged on one side of the field;

the spraying pipe fitting is arranged between the first linear guide rail and the second linear guide rail, one end of the spraying pipe fitting is connected with the side wall of the first sliding block, the other end of the spraying pipe fitting is connected with the side wall of the second sliding block on the second linear guide rail, and the spraying pipe fitting can move back and forth along the field along with the first sliding block and the second sliding block and is used for spraying the nursing solution to the saplings; and an infusion device arranged on the ground and connected with the spraying pipe fitting for inputting the nursing solution into the spraying pipe fitting;

wherein the spray pipe comprises: a quiescent state and an active state; in the static state, the spraying pipe fitting is suspended between the first linear guide rail and the second linear guide rail and is arranged close to the motor; in the active state, the spraying pipe fitting and the screw nut move to and fro along the first linear guide rail and the second linear guide rail under the action of the motor and the screw;

the spray tube includes: a first tube having a plurality of spray holes, said spray holes facing said field; the two second plates are symmetrically connected to two ends of the first pipe and are used for being connected with the first sliding block or the second sliding block respectively; the liquid inlet pipe is connected to the top of the first pipe, communicated with the first pipe and used for being connected with the infusion device; the infusion device comprises: the top of the liquid storage tank is provided with a feeding port and a first pipe orifice, and the bottom of the liquid storage tank is arranged on the ground and is arranged on one side of the second linear guide rail; the water pump is connected between the liquid storage tank and the liquid inlet pipe through a second pipeline; the stirring piece is connected to the first pipe orifice and is used for stirring the nursing solution in the liquid storage tank; the stirring member includes: the motor is connected to the first pipe orifice; one end of the stirring shaft is connected with a transmission shaft on the motor, and the other end of the stirring shaft extends into the liquid storage tank; the blades are of a cuboid structure, are welded with the stirring shaft, form a large outer edge size smaller than the inner diameter of the first pipe orifice, are connected to the stirring shaft and are used for stirring the nursing solution;

further comprising: the outer sleeve piece is sleeved on the first pipe, a first cavity is formed between the outer sleeve piece and the first pipe, the first cavity wraps the liquid spraying hole, and the nursing solution can be contained in the first cavity;

the outer sleeve member includes: the sleeve is sleeved on the first pipe, a first cavity is formed between the sleeve and the first pipe, and a long through groove is formed in the side wall of one side of the sleeve; one end of the liquid guide plate is connected to the outer wall of the sleeve and aligned with the long through groove, and the other end of the liquid guide plate is inclined downwards; the inserting block is matched in the long through groove and can slide along the long through groove;

the sleeve is a section of circular tube, the length dimension of the sleeve is 90% of that of the first tube, the sleeve and the first tube are welded through the circular ring-shaped plates at the two ends to form a first cavity which is relatively sealed, and the first cavity contains the nursing solution, so that the nursing solution overflows from the long through groove;

the nursing solution is contained in the first cavity, so that the liquid spraying holes are always soaked in the nursing solution and are less in contact with air, the rusting probability is reduced, and the blocking probability of the liquid spraying holes is reduced;

the liquid guide plate is a corrugated plate and is welded with the outer wall of the sleeve, and the included angle beta between the liquid guide plate and the long through groove is 20-30 degrees, so that the nursing solution slowly and uniformly slides along the liquid guide plate after overflowing from the long through groove, and the effects of fertilizing and controlling diseases and insects are improved.

2. The fruit tree nursing device of claim 1, wherein: the first support and the second support structure are identical and both comprise: a first hollow square tube; and the two first plates are symmetrically connected to two ends of the first hollow square tube.

3. The fruit tree nursing device of claim 1, wherein: the bearing housing includes: the T-shaped seat is connected to the first support; the bearing is connected to the T-shaped seat and is connected with the lead screw; and the gland is connected to the T-shaped seat and presses the bearing.