CN112355043B

CN112355043B - Improvement equipment for sandy soil

Info

Publication number: CN112355043B
Application number: CN202011140944.0A
Authority: CN
Inventors: 靳梦潇; 吕瑞军; 靳永康
Original assignee: Jinan New Future Biotechnology Co ltd
Current assignee: Jinan New Future Biotechnology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2022-12-20
Anticipated expiration: 2040-10-22
Also published as: CN112355043A

Abstract

The invention belongs to the technical field of sandy soil treatment, and particularly relates to sandy soil improvement equipment which comprises a rack, front wheels and rear wheels, wherein a transverse shaft is respectively and rotatably connected between the two front wheels and the two rear wheels, the two front wheels and the two rear wheels are symmetrically arranged on two sides of the rack, tires suitable for sandy land are respectively selected for the front wheels and the rear wheels, a rectangular groove is formed in the center of the upper end of the rack, a double-shaft motor is fixedly connected in the rectangular groove, two output ends of the double-shaft motor are respectively and fixedly connected with a first rotating shaft, one end of the first rotating shaft, far away from the double-shaft motor, extends to the outer side of the rack, the two first rotating shafts are respectively connected with the transverse shaft through first transmission mechanisms, and the two first transmission mechanisms are symmetrical about the center of the rack. Has the advantages that: the invention can realize the integral movement and the dosing operation at the same time, and the medicament can smoothly enter the soil, thereby improving the action range and improving the improvement effect.

Description

Improvement equipment for sandy soil

Technical Field

The invention relates to the technical field of sandy soil treatment, in particular to improvement equipment for sandy soil.

Background

Compared with soil used for traditional planting, soil planted in sandy soil is less in organic matters, poor in fertility, poor in physical and chemical properties, easy to harden, poor in water-containing and water-storing properties, air permeability, water permeability and the like, and low in buffering capacity for temperature change and drought and waterlogging, and is a main problem that sandy soil is not beneficial to growth and development. Therefore, to plant sandy soil, attention should be paid to soil selection and soil improvement according to local conditions, and the foundation is tamped for planting.

Compared with red mud and black mud soil, the sandy soil area has the advantages of less organic matters, easy hardening, poor water storage, poor physicochemical properties of fertilizers and the like and unsuitability for the growth and development of vegetation, so the chemical agents such as urea, potassium chloride, plant ash and the like can be ground into powder, mixed with water in proportion and sprayed on the soil through a spraying device, but due to the characteristics of sandy soil, the improvement agents cannot deeply permeate into the soil, the range of action effect is small, further, the improvement agents are not fully contacted with the sandy soil, most of the agents are wasted, the improvement effect is reduced, the waste of funds is increased, in addition, the traditional improvement equipment needs a plurality of driving forces when in use, the use cost is increased, and the long-term use is not facilitated.

To this end, we propose a sandy soil improving apparatus to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a sandy soil improving device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the sand soil improvement equipment comprises a rack, front wheels and rear wheels, wherein a transverse shaft is respectively connected between the two front wheels and the two rear wheels in a rotating mode, the two front wheels and the two rear wheels are symmetrically arranged on two sides of the rack, tires suitable for sand are selected for the front wheels and the rear wheels, a rectangular groove is formed in the center of the upper end of the rack, a double-shaft motor is fixedly connected into the rectangular groove, two output ends of the double-shaft motor are respectively and fixedly connected with a first rotating shaft, one end, away from the double-shaft motor, of each first rotating shaft extends to the outer side of the rack, the two first rotating shafts are respectively connected with the transverse shaft through first transmission mechanisms, and the two first transmission mechanisms are symmetrical about the center of the rack;

the upper end of frame has been seted up two vertical trapezoidal openings, and two trapezoidal openings set up in the one side that is close to the front wheel, it is connected with the second pivot parallel with first pivot to rotate on the trapezoidal opening inner wall, set up the through-hole with trapezoidal opening intercommunication on the inner wall of rectangular channel, and the through-hole corresponds with first pivot position, be connected by second drive mechanism between first pivot and the second pivot, set up two vertical bar grooves on the trapezoidal opening inner wall, the vertical slide bar of bar inslot fixedly connected with, and the outside slip of slide bar has cup jointed the slider, two the same movable block of fixedly connected with between the slider, be connected through third drive mechanism between second pivot and the movable block, and bar inslot is provided with the answer mechanism who is connected with the slider, the lower extreme of movable block extends to the downside and the fixedly connected with drill pipe of frame, the upper end of movable block extends to the upside of frame and is fixed with the intercommunication bellows, and the upper end fixedly connected with same medicament case of two bellows, the frame is kept away from one side upper end fixedly connected with medicament case, the lower extreme of water tank is provided with its spray mechanism who is connected with it, and the spray mechanism that corresponds the spray mechanism that the frame sets up at the downside of frame.

In foretell sandy soil is with improvement equipment, two all cup jointed the bearing frame on the lateral wall of cross axle, and the bearing in cross axle and the bearing frame rotates to be connected, fixedly connected with bracing piece on the lateral wall of bearing frame, and the bracing piece keep away from the one end of bearing frame and the lateral wall fixed connection of frame.

In foretell sandy soil is with improvement equipment, first drive mechanism is including fixed first sprocket of cup jointing on first pivot lateral wall, the fixed second sprocket that has cup jointed with first sprocket and correspond on the lateral wall of cross axle, and be connected by same root first chain between first sprocket and the second sprocket, the external diameter value of second sprocket is greater than the external diameter value of first sprocket.

In foretell sandy soil is with improvement equipment, second drive mechanism is including fixed third sprocket of cup jointing on first pivot lateral wall, and the third sprocket setting is in the rectangular channel, fixed cup jointing has the fourth sprocket that corresponds with the third sprocket on the lateral wall of second pivot, and is connected by the second chain between third sprocket and the fourth sprocket, the outer diameter value of third sprocket and fourth sprocket is the same.

In foretell improvement equipment for sand and soil, third drive mechanism is including the fixed sector gear that cup joints on the second pivot lateral wall, fixedly connected with and the bar rack plate of sector gear meshing on the lateral wall of movable block.

In the soil and sand improvement equipment, the return mechanism comprises a return spring fixedly connected to the top wall of the strip-shaped groove, the lower end of the return spring is fixedly connected with the upper end of the sliding block, the return spring is sleeved on the outer side of the sliding rod, and the return spring and the third transmission mechanism are intermittently matched.

In foretell improvement equipment for sand and soil, the equal fixedly connected with vertical supporting seat of lower extreme of chemical tank and water tank, and the lower extreme of supporting seat and the up end fixed connection of frame, be provided with two cavities in the chemical tank, two the equal fixed intercommunication in the lower extreme of chemical tank in the upper end of bellows, and the first valve of fixedly connected with on the lateral wall of bellows, a plurality of inlet pipes of upper end difference fixedly connected with of chemical tank and water tank.

In foretell sandy soil is improvement equipment for soil, spraying mechanism includes two fixed connection water pipes at the water tank lower extreme, and the lower extreme of water pipe extends to the downside and the fixedly connected with nozzle of frame, the lower extreme equipartition of nozzle has a plurality of liquid outlets, fixedly connected with second valve on the lateral wall of water pipe.

In foretell sandy soil is with improvement equipment, the drill pipe internal rotation is connected with the standpipe with the chemical tank intercommunication, the lower extreme fixedly connected with of standpipe and its circular casing that can communicate, the lower extreme equipartition of circular casing has a plurality of conical ducts, and the lower extreme of conical duct sets up the discharge gate with circular casing intercommunication, the bearing frame has been cup jointed on the standpipe lateral wall of circular casing upside, and the equipartition has a plurality of blades with soil contact on the lateral wall of bearing frame, be provided with the torque spring who is connected with the standpipe in the bearing frame.

In the sand soil improvement device, the working principle of the sand soil improvement device is as follows:

1) A user can place the equipment on sandy soil to be improved, then the double-shaft motor is started, the front wheel and the rear wheel rotate under the transmission of the first transmission mechanism, and specifically, the first rotating shaft rotates the transverse shaft between the front wheel and the rear wheel under the transmission of the first chain, so that the rack moves on the sandy soil;

2) When the front wheel and the rear wheel move, the first rotating shaft enables the second rotating shaft to work under the transmission of the second transmission mechanism, specifically, the first rotating shaft enables the second rotating shaft to rotate under the transmission of the second chain, and the movable block makes vertical movement under the transmission of the third transmission mechanism, specifically, the sector gear on the outer side wall of the second rotating shaft can drive the strip rack plate meshed with the sector gear to make vertical movement, so that the drill pipe can be inserted into sandy soil, and the improved medicine in the medicine box is conveyed, and in addition, after the sector gear is separated from the strip rack plate, the slide block makes vertical movement under the action of the return spring, so that the strip rack plate returns to the initial position, and the circular reciprocating movement is realized;

3) When carrying out improvement operation to sand and soil, can control the second valve, and then make the liquid medicine in the water tank can be smooth carry to the nozzle in and discharge from a plurality of liquid outlets from the water pipe to carry out the liquid medicine to sand and handle, improve the effect of handling.

Compared with the prior art, this sand and soil improvement equipment for soil's advantage lies in:

1. the invention can realize integral movement and dosing operation simultaneously under the use of the same energy supply equipment, and the combination of a single motor and a mechanical part is used for replacing the traditional dosing system, so that the dosing system is summarized to a driving force, thereby achieving better mechanical stability.

2. According to the invention, under the transmission of the third transmission mechanism, the drill pipe can be inserted into sandy soil, the improved medicine in the medicine box is conveyed, and in addition, after the sector gear is separated from being in contact with the strip-shaped rack plate, the strip-shaped rack plate is restored to the initial position under the action of the restoring spring, so that the circular reciprocating motion is realized, the medicine can smoothly go deep into the soil, the action range is improved, and the improvement effect is improved.

Drawings

FIG. 1 is a schematic front view of an apparatus for improving sandy soil according to the present invention;

FIG. 2 is a schematic bottom view of the apparatus for improving sandy soil according to the present invention;

FIG. 3 is a schematic top view of the soil conditioner of the present invention;

FIG. 4 is a schematic side view of the soil-conditioning apparatus for sandy soil according to the present invention;

FIG. 5 is a sectional view of the second transmission mechanism and the third transmission mechanism of the sand soil improvement device provided by the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a partial schematic view of a restoring mechanism of the soil reclamation apparatus of the present invention;

FIG. 8 is a bottom view of the blades of the soil-improving apparatus for sandy soil according to the present invention;

fig. 9 is a schematic view of the internal structure of a drill pipe of the soil and sand improvement device of the present invention.

In the figure, 1 frame, 2 front wheels, 3 rear wheels, 4 horizontal shafts, 5 double-shaft motors, 6 first rotating shafts, 7 second rotating shafts, 8 strip-shaped grooves, 9 sliding rods, 10 sliding blocks, 11 movable blocks, 12 drill pipes, 13 corrugated pipes, 14 medicine boxes, 15 water tanks, 16 bearing seats, 17 supporting rods, 18 first chain wheels, 19 second chain wheels, 20 first chains, 21 third chain wheels, 22 fourth chain wheels, 23 second chains, 24 sector gears, 25 strip-shaped rack plates, 26 return springs, 27 supporting seats, 28 water pipes, 29 nozzles, 30 vertical pipes, 31 circular shells, 32 conical pipes, 33 blades and 34 torsion springs are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples

Referring to fig. 1-9, an improvement equipment for sandy soil, including frame 1, front wheel 2 and rear wheel 3, it is connected with cross axle 4 to rotate respectively between two front wheels 2 and two rear wheels 3, bearing frame 16 has all been cup jointed on the lateral wall of two cross axles 4, and cross axle 4 rotates with the bearing in the bearing frame 16 and is connected, fixedly connected with bracing piece 17 on the lateral wall of bearing frame 16, and the one end that bearing frame 16 was kept away from to bracing piece 17 is fixedly connected with the lateral wall of frame 1, play the effect of support to front wheel 2 and rear wheel 3, two front wheels 2 and two rear wheel 3 symmetries set up the both sides in frame 1, front wheel 2 and rear wheel 3 all select for use the tire that is suitable for sand, the rectangular channel has been seted up to the upper end center of frame 1, fixedly connected with biax motor 5 in the rectangular channel, two output of biax motor 5 all fixedly connected with first pivot 6, the one end that biax motor 5 was kept away from to first pivot 6 extends to the outside of frame 1.

Wherein, connect through first drive mechanism between two first pivots 6 and the cross axle 4 respectively, and two first drive mechanisms are central symmetry about frame 1, first drive mechanism is including fixed first sprocket 18 of cup jointing on the lateral wall of first pivot 6, the fixed second sprocket 19 that cup joints corresponding with first sprocket 18 on the lateral wall of cross axle 4, and connect by same root first chain 20 between first sprocket 18 and the second sprocket 19, the external diameter value of second sprocket 19 is greater than the external diameter value of first sprocket 18, under first drive mechanism's use, can realize the rotation of front wheel 2 and rear wheel 3.

Wherein, two vertical trapezoidal openings have been seted up to the upper end of frame 1, and two trapezoidal openings set up in the one side that is close to front wheel 2, it is connected with second pivot 7 parallel with first pivot 6 to rotate on the trapezoidal opening inner wall, set up the through-hole with trapezoidal opening intercommunication on the inner wall of rectangular channel, and the through-hole corresponds with first pivot 6 position, be connected by second drive mechanism between first pivot 6 and the second pivot 7, second drive mechanism is including fixed third sprocket 21 of cup jointing on first pivot 6 lateral wall, and third sprocket 21 sets up in the rectangular channel, fixed cup jointing has the fourth sprocket 22 that corresponds with third sprocket 21 on the lateral wall of second pivot 7, and be connected by second chain 23 between third sprocket 21 and the fourth sprocket 22, third sprocket 21 is the same with the outer diameter value of fourth sprocket 22, under second drive mechanism's use, can realize the rotation of second pivot 7 simultaneously.

Further, two vertical bar grooves 8 have been seted up on trapezoidal open-ended inner wall, the vertical slide bar 9 of fixedly connected with in the bar groove 8, and slide bar 9's outside slip has cup jointed slider 10, the same movable block 11 of fixedly connected with between two sliders 10, be connected through third drive mechanism between second pivot 7 and the movable block 11, third drive mechanism is including fixed cup joint the sector gear 24 on second pivot 7 lateral wall, fixedly connected with and sector gear 24 meshed's bar rack plate 25 on the lateral wall of movable block 11, the bar inslot is provided with the return mechanism who is connected with slider 10, return mechanism includes return spring 26 of fixed connection on bar inslot 8 roof, and return spring 26's lower extreme and the upper end fixed connection of slider 10, return spring 26 cup joints in slide bar 9's the outside, intermittent type cooperation between return spring 26 and the third drive mechanism, break away from and bar rack plate 25 contact when sector gear 24, under the effect of return spring 26, make slider 10 vertical motion, and then make bar rack plate 25 reply to initial position, realize endless reciprocating motion.

Wherein, the lower end of the movable block 11 extends to the lower side of the frame 1 and is fixedly connected with a drill pipe 12, the upper end of the movable block 11 extends to the upper side of the frame 1 and is fixedly communicated with a corrugated pipe 13, and the upper ends of the two corrugated pipes 13 are fixedly connected with the same chemical box 14, the lower ends of the chemical box 14 and the water tank 15 are fixedly connected with a vertical supporting seat 27, the lower end of the supporting seat 27 is fixedly connected with the upper end surface of the frame 1, two chambers are arranged in the chemical box 14, the upper ends of the two corrugated pipes 13 are fixedly communicated with the lower end of the chemical box 14, and the outer side wall of the corrugated pipe 13 is fixedly connected with a first valve, the drill pipe 12 can be smoothly inserted into sandy soil to complete the conveying of the medicament, concretely, the drill pipe 12 is rotationally connected with a vertical pipe 30 communicated with the medicament box 14, the lower end of the vertical pipe 30 is fixedly connected with a circular shell 31 which can be communicated with the vertical pipe, the lower end of the circular shell 31 is uniformly distributed with a plurality of conical pipes 32, and the lower end of the conical pipe 32 is provided with a discharge hole communicated with the circular shell 31, the side wall of the vertical pipe 30 at the upper side of the circular shell 31 is sleeved with a bearing seat, a plurality of blades 33 contacting with the soil are evenly distributed on the outer side wall of the bearing seat, a torsion spring 34 connected with the vertical pipe 30 is arranged in the bearing seat, when the drill pipe 12 is inserted into the sandy soil, as the frame 1 moves forward, the soil will cause the blades 33 in the drill pipe 12 to rotate, the soil is then dispersed and during the contraction the torsion spring 34 returns the standpipe 30 to its original position and again blows it, loosening it, and then help the medicament can be abundant with the soil contact, the upper end of chemical tank 14 and water tank 15 is a plurality of inlet pipes of fixedly connected with respectively, is convenient for add medicament and the liquid medicine that is used for improving sand in chemical tank 14 and the water tank 15.

Further, one side upper end fixedly connected with water tank 15 that chemical tank 14 was kept away from to frame 1, the lower extreme of water tank 15 is provided with the spraying mechanism rather than being connected, and spraying mechanism corresponds the downside that sets up at frame 1, spraying mechanism includes two fixed connection water pipe 28 at 15 lower extremes of water tank, and the lower extreme of water pipe 28 extends to the downside and the fixedly connected with nozzle 29 of frame 1, the lower extreme equipartition of nozzle 29 has a plurality of liquid outlets, fixedly connected with second valve on the lateral wall of water pipe 28, when carrying out improvement operation to sand, can control the second valve, and then make that the liquid medicine in the water tank 15 can be smooth carry to nozzle 29 in from water pipe 28 and discharge from a plurality of liquid outlets, in order to carry out the liquid medicine to sand ground and handle, improve the effect of handling.

When the sand-soil improving machine is used, a user can place the equipment on sand to be improved, then the double-shaft motor 5 is started, the front wheel 2 and the rear wheel 3 rotate under the transmission of the first transmission mechanism, and specifically, the first rotating shaft 6 rotates the transverse shaft 4 between the front wheel 2 and the rear wheel 3 under the transmission of the first chain 20, so that the rack 1 moves on the sand; while the front wheel 2 and the rear wheel 3 move, the first rotating shaft 6 enables the second rotating shaft 7 to work under the transmission of the second transmission mechanism, specifically, the first rotating shaft 6 enables the second rotating shaft 7 to rotate under the transmission of the second chain 23, and enables the movable block 11 to vertically move under the transmission of the third transmission mechanism, specifically, the sector gear 24 on the outer side wall of the second rotating shaft 7 drives the strip rack plate 25 meshed with the sector gear to vertically move, so that the drill pipe 12 can be inserted into sandy soil and can carry out conveying operation on the improved drugs in the drug box 14, specifically, after the drill pipe 12 is inserted into the sandy soil, the soil can enable the blades 33 in the drill pipe 12 to rotate along with the forward movement of the whole structure of the rack 1, so that the soil can be washed away, and the torsion spring 34 enables the vertical pipe 30 to return to the original position during the contraction process, and further strikes the soil again to loosen the vertical pipe, so that the vertical pipe can fully contact with the soil, and in addition, after the sector gear 24 is separated from the rack plate 25, the strip rack plate 25 returns to the original position, so that the reciprocating movement of the slide block 10 is realized; when the sand is improved, the second valve can be controlled, so that the liquid medicine in the water tank 15 can be smoothly conveyed into the nozzle 29 from the water pipe 28 and discharged from the plurality of liquid outlets, the liquid medicine treatment can be performed on the sand, and the treatment effect is improved.

The control modes of the double-shaft motor 5, the first valve and the second valve are controlled by an external controller matched with the double-shaft motor, the model of the controller is MAM-200, and a control circuit can be realized by simple programming of a person skilled in the art, the double-shaft motor belongs to common knowledge in the field, is only used without being improved, and the double-shaft motor is mainly used for protecting a mechanical device, so the control mode and the circuit connection are not explained in detail in the invention.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The improvement equipment for the sandy soil comprises a rack (1), front wheels (2) and rear wheels (3), wherein a transverse shaft (4) is respectively connected between the two front wheels (2) and the two rear wheels (3) in a rotating manner, the two front wheels (2) and the two rear wheels (3) are symmetrically arranged on two sides of the rack (1), and tires suitable for sandy soil are selected for the front wheels (2) and the rear wheels (3), and the improvement equipment is characterized in that a rectangular groove is formed in the center of the upper end of the rack (1), a double-shaft motor (5) is fixedly connected in the rectangular groove, two output ends of the double-shaft motor (5) are fixedly connected with a first rotating shaft (6), one end, far away from the double-shaft motor (5), of the first rotating shaft (6) extends to the outer side of the rack (1), the two first rotating shafts (6) and the transverse shaft (4) are respectively connected through first transmission mechanisms, and the two first transmission mechanisms are centrosymmetric about the rack (1);

the upper end of the rack (1) is provided with two vertical trapezoidal openings, the two trapezoidal openings are arranged on one side close to the front wheel (2), the inner wall of each trapezoidal opening is rotatably connected with a second rotating shaft (7) parallel to the first rotating shaft (6), the inner wall of each rectangular groove is provided with a through hole communicated with the trapezoidal opening, the through hole corresponds to the position of the first rotating shaft (6), the first rotating shaft (6) and the second rotating shaft (7) are connected by a second transmission mechanism, the inner wall of each trapezoidal opening is provided with two vertical strip-shaped grooves (8), the strip-shaped grooves (8) are internally and fixedly connected with vertical sliding rods (9), the outer sides of the sliding rods (9) are slidably sleeved with sliding blocks (10), the sliding blocks (10) are fixedly connected with one movable block (11) between the sliding blocks (10), the second rotating shafts (7) and the movable blocks (11) are connected by a third transmission mechanism, the strip-shaped grooves are internally and fixedly connected with return mechanisms connected with the sliding blocks (10), the lower ends of the movable blocks (11) extend to the lower side of the rack (1) and are fixedly connected with a fixed bellows (12), the upper end of the fixed bellows (14) is connected with a bellows (14), and the bellows (14) which is connected with the upper end of the bellows (13) of the bellows (14), the lower end of the water tank (15) is provided with a spraying mechanism connected with the water tank, and the spraying mechanism is correspondingly arranged on the lower side of the rack (1);

bearing seats (16) are sleeved on the outer side walls of the two transverse shafts (4), the transverse shafts (4) are rotatably connected with bearings in the bearing seats (16), supporting rods (17) are fixedly connected to the outer side walls of the bearing seats (16), and one ends, far away from the bearing seats (16), of the supporting rods (17) are fixedly connected with the side walls of the rack (1);

the first transmission mechanism comprises a first chain wheel (18) fixedly sleeved on the outer side wall of the first rotating shaft (6), a second chain wheel (19) corresponding to the first chain wheel (18) is fixedly sleeved on the outer side wall of the transverse shaft (4), the first chain wheel (18) and the second chain wheel (19) are connected through a same first chain (20), and the outer diameter value of the second chain wheel (19) is larger than that of the first chain wheel (18);

the second transmission mechanism comprises a third chain wheel (21) fixedly sleeved on the outer side wall of the first rotating shaft (6), the third chain wheel (21) is arranged in the rectangular groove, a fourth chain wheel (22) corresponding to the third chain wheel (21) is fixedly sleeved on the outer side wall of the second rotating shaft (7), the third chain wheel (21) is connected with the fourth chain wheel (22) through a second chain (23), and the outer diameter values of the third chain wheel (21) and the fourth chain wheel (22) are the same;

the third transmission mechanism comprises a sector gear (24) fixedly sleeved on the outer side wall of the second rotating shaft (7), and a strip-shaped rack plate (25) meshed with the sector gear (24) is fixedly connected to the side wall of the movable block (11);

the restoring mechanism comprises a restoring spring (26) fixedly connected to the inner top wall of the strip-shaped groove (8), the lower end of the restoring spring (26) is fixedly connected with the upper end of the sliding block (10), the restoring spring (26) is sleeved on the outer side of the sliding rod (9), and the restoring spring (26) is intermittently matched with the third transmission mechanism;

the lower ends of the chemical box (14) and the water tank (15) are fixedly connected with a vertical supporting seat (27), the lower ends of the supporting seat (27) are fixedly connected with the upper end face of the rack (1), two chambers are arranged in the chemical box (14), the upper ends of the two corrugated pipes (13) are fixedly communicated with the lower end of the chemical box (14), the outer side wall of each corrugated pipe (13) is fixedly connected with a first valve, and the upper ends of the chemical box (14) and the water tank (15) are respectively and fixedly connected with a plurality of feeding pipes;

the spraying mechanism comprises two water pipes (28) fixedly connected to the lower end of the water tank (15), the lower ends of the water pipes (28) extend to the lower side of the rack (1) and are fixedly connected with nozzles (29), a plurality of liquid outlets are uniformly distributed at the lower ends of the nozzles (29), and a second valve is fixedly connected to the outer side wall of each water pipe (28);

the utility model discloses a soil treatment device, including drill pipe (12), standpipe (30) that the internal rotation is connected with and chemical tank (14) intercommunication, the lower extreme fixedly connected with of standpipe (30) rather than circular casing (31) that can communicate, the lower extreme equipartition of circular casing (31) has a plurality of conical ducts (32), and the lower extreme of conical duct (32) sets up the discharge gate with circular casing (31) intercommunication, the bearing frame has been cup jointed on standpipe (30) lateral wall of circular casing (31) upside, and the equipartition has a plurality of blades (33) with soil contact on the lateral wall of bearing frame, be provided with torsion spring (34) be connected with standpipe (30) in the bearing frame.

2. The improvement device for sandy soil as claimed in claim 1, wherein the working process of the improvement device for sandy soil is as follows:

1) a user can place the equipment on sandy soil to be improved, then a double-shaft motor (5) is started, a front wheel (2) and a rear wheel (3) are rotated under the transmission of a first transmission mechanism, and specifically, a transverse shaft (4) between the front wheel (2) and the rear wheel (3) is rotated by a first rotating shaft (6) under the transmission of a first chain (20), so that a rack (1) moves on the sandy soil;

2) The front wheel (2) and the rear wheel (3) move, and simultaneously, the first rotating shaft (6) enables the second rotating shaft (7) to work under the transmission of the second transmission mechanism, specifically, the first rotating shaft (6) enables the second rotating shaft (7) to rotate under the transmission of the second chain (23), and enables the movable block (11) to vertically move under the transmission of the third transmission mechanism, specifically, the sector gear (24) on the outer side wall of the second rotating shaft (7) can drive the strip rack plate (25) meshed with the sector gear to vertically move, so that the drill pipe (12) can be inserted into sandy soil, the improved medicine in the medicine box (14) can be conveyed, and in addition, after the sector gear (24) is separated from being in contact with the strip rack plate (25), the sliding block (10) vertically moves under the action of the return spring (26), so that the strip rack plate (25) returns to the initial position, and cyclic reciprocating motion is realized;

3) When the sand is improved, the second valve can be controlled, so that the liquid medicine in the water tank (15) can be smoothly conveyed into the nozzle (29) from the water pipe (28) and discharged from a plurality of liquid outlets, the liquid medicine is treated on the sand, and the treatment effect is improved.