CN114303505B

CN114303505B - A soil improvement structure for inferior land formula red layer desert

Info

Publication number: CN114303505B
Application number: CN202111678649.5A
Authority: CN
Inventors: 曾振宇; 刘军; 袁多铃; 毛晶; 罗燕贞; 王丽群
Original assignee: Guangdong Ruchun Ecology Group Co ltd
Current assignee: Guangdong Ruchun Ecology Group Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-11-04
Anticipated expiration: 2041-12-31
Also published as: CN114303505A

Abstract

The application relates to the technical field of soil improvement structures, and provides a soil improvement structure for an inferior land type red-layer desert, aiming at the problem that a traditional soil conditioner is difficult to permeate into hardened soil of the inferior land type red-layer desert, the soil improvement structure comprises a base, a rack is vertically penetrated through the base, a rotating rod is arranged on a vertical rotating frame of the rack, the bottom end of the rotating rod penetrates to the bottom side of the base, a stirring part is arranged at the bottom end of the rotating rod, a main driving part for driving the rotating rod to rotate is further arranged on the rack, and a lifting assembly for driving the rack to slide up and down is further arranged on the base; the base is also provided with a spray pipe, the bottom end of the spray pipe penetrates to the bottom side of the base, and the bottom end of the spray pipe is communicated with a liquid outlet pipe; the top end of the spray pipe is also provided with a feed inlet. The application has the effect that the soil conditioner can better permeate into hardened soil.

Description

A soil improvement structure for inferior land formula red layer desert

Technical Field

The application relates to the technical field of soil improvement structures, in particular to a soil improvement structure for inferior land type red bed desert.

Background

The inferior red desert is also called 'ox liver land' and is one red desert with dense erosion gully and naked weathering crust as the mark and distributed in red soft rock area, and the red desert has dense erosion gully, V-shaped gully and valley slope of 30-40 deg and different depth.

One of the main characteristics of the inferior red-bed desert is that the vegetation coverage rate is low, and the vegetation coverage rate of partial areas is zero, mainly because the content of organic matters in the soil of the inferior red-bed desert area is extremely low under the dual actions of artificial damage and water and soil loss, even organic matters cannot be found at the serious bottom end, the soil is seriously hardened, the nitrogen and phosphorus content is low, and the organic matters in the soil are an important basis for the growth of plants. In order to improve the greening of the inferior land type desert region and restore the ecological environment of the region, a soil conditioner containing organic matters and various trace elements is generally required to be sprayed on the soil of the region so as to improve the content of the organic matters in the soil and realize the improvement of the soil of the inferior land type red layer desert region, thereby facilitating the artificial planting of plants to realize the greening of the desert.

In view of the above-described related art, the applicant believes that the following disadvantages exist: soil in inferior red-layer desert regions is seriously hardened, and due to the hardened soil, the soil conditioner cannot permeate into deep soil layers, so that the soil conditioning effect is poor, and the construction operation cost of spraying the soil conditioner is indirectly increased.

Disclosure of Invention

In order to make soil amendment can infiltrate the soil of inferior land formula red layer desert better, this application provides a soil amendment structure for inferior land formula red layer desert.

The application provides a soil improvement structure for poor land formula red layer desert adopts following technical scheme:

a soil improvement structure for inferior red-bed desert comprises a base, wherein the base is vertically provided with a rack, the rack is vertically provided with a rotating rod, the bottom end of the rotating rod penetrates to the bottom side of the base, a stirring part is arranged at the bottom end of the rotating rod, the rack is also provided with a main driving part for driving the rotating rod to rotate, and the base is also provided with a lifting assembly for driving the rack to slide up and down; the base is also provided with a spray pipe, the bottom end of the spray pipe penetrates to the bottom side of the base, and the bottom end of the spray pipe is communicated with a liquid outlet pipe; the top end of the spray pipe is also provided with a feed inlet.

By adopting the technical scheme, when the soil conditioner is sprayed, the base is moved to a designated area, the rotating rod and the stirring part are driven to rotate by the main driving part, and then the rack is driven by the lifting component to drive the rotating rod to move downwards, so that the rotating stirring part can be inserted into hardened soil, and soil loosening is realized; simultaneously, soil amendment in the spray tube flows to the soil that is stirred the pine by stirring portion via the drain pipe of spray tube bottom to realize spraying and watering of soil amendment, stir the pine to the soil that hardens earlier through stirring portion, be favorable to soil amendment to permeate to the soil deep layer better, reduce because of the soil condition that hardens and lead to the unable infiltration of soil amendment, the soil amendment of being convenient for plays the effect better, is favorable to administering inferior ground formula red layer desert better.

Preferably, lifting unit is including setting up dead lever and the depression bar at the base upper surface, the depression bar includes hinged end and drive end, the hinged end of depression bar articulates on the dead lever top, the frame top is provided with main hinge rod, main hinge rod axis direction is parallel with depression bar axis of revolution direction, the depression bar is worn to locate by main hinge rod, the rectangular through-hole that supplies main hinge rod to wear to establish is still seted up to the depression bar, the length direction of rectangular through-hole is parallel with the length direction of depression bar, and lifting unit is still including setting up the vice driving piece that is used for ordering about the depression bar luffing motion on the base.

Through adopting above-mentioned technical scheme, order about the depression bar through the accessory drive spare and swing down, the depression bar is swung down the in-process and is ordered about the frame and move down, and then makes the stirring portion that rotates the bottom can contact and stir the soil that hardens with the soil that hardens, and the follow-up soil amendment of being convenient for infiltrates to soil better in, the accessory drive spare orders about the depression bar upwards swing alright make the frame drive the stirring portion and shift up, and the base of being convenient for removes.

Preferably, a sealing plate is arranged in the spray pipe, a rubber layer is arranged on the peripheral wall of the sealing plate, the rubber layer is abutted against the inner peripheral wall of the spray pipe, a main connecting rod is vertically arranged on the sealing plate, and the top end of the main connecting rod extends out of the top of the spray pipe.

Through adopting above-mentioned technical scheme, move the main connecting rod toward the spray tube bottom for the main connecting rod drives the closing plate and moves down, and then extrudes the soil amendment in the spray tube to the drain pipe, makes soil amendment also can be outside spouting to the drain pipe with the state of spraying, is favorable to improving soil amendment's the efficiency of spraying.

Preferably, a liquid storage tank is arranged at the top end of the spray pipe, and the bottom of the liquid storage tank is communicated with the liquid inlet; the main connecting rod penetrates through the sealing plate, and the sealing plate is provided with a through hole for the main connecting rod to penetrate through; the sealing plate is also provided with a plurality of liquid outlet holes; the main connecting rod is provided with a limiting ball and a baffle, the limiting ball is opposite to the bottom side of the sealing plate, the outer diameter of the limiting ball is larger than the inner diameter of the through hole, the baffle is opposite to the top side of the sealing plate, the outer periphery of the baffle is spaced from the inner periphery of the spray pipe, and the horizontal projection of the baffle covers the projection of the liquid outlet holes on the horizontal plane; when the main connecting rod moves to the limit ball to be abutted against the bottom side of the sealing plate, a gap is reserved between the baffle and the upper surface of the sealing plate.

By adopting the technical scheme, the rubber layer of the sealing plate is abutted against the inner peripheral wall of the spray pipe, so that the friction force between the main connecting rod and the sealing plate is smaller than the friction force between the sealing plate and the inner peripheral wall of the spray pipe, when the main connecting rod is moved towards the bottom of the spray pipe, the baffle on the main connecting rod is abutted against the upper surface of the sealing plate, and the sealing plate is pushed to move downwards by the baffle; meanwhile, the liquid outlet hole on the sealing plate is sealed by the baffle plate, so that the sealing plate can better press the soil conditioner in the cavity at the lower part of the spray pipe out of the liquid outlet pipe; meanwhile, the air pressure of the cavity at the upper part of the spray pipe is reduced, so that the soil conditioner in the liquid storage tank automatically flows into the cavity at the upper part of the spray pipe. Toward keeping away from spray tube bottom removal main connecting rod for spacing ball and closing plate butt drive closing plate rebound, the baffle leaves the interval with the closing plate this moment, makes the soil amendment on spray tube upper portion can flow to spray tube lower part cavity through baffle and the internal peripheral clearance of spray tube and play liquid hole, is convenient for extrude it when the closing plate removes towards the spray tube bottom.

Preferably, the drain pipe is towards keeping away from the one end that the spray tube slope set up downwards and the drain pipe kept away from the spray tube and dwang set up relatively.

Through adopting above-mentioned technical scheme, the one end of keeping away from the spray tube through the drain pipe is relative with the dwang for on can spouting the pivoted dwang from drain pipe blowout soil amendment, thereby to sputtering all around, be favorable to enlarging soil amendment's the scope of spraying, the soil amendment of being convenient for infiltrates in the soil better.

Preferably, the top end of the main connecting rod is provided with an auxiliary hinge rod, the axial direction of the auxiliary hinge rod is parallel to the rotation axis of the pressing rod, and the auxiliary hinge rod penetrates through the long through hole.

By adopting the technical scheme, when the pressure rod swings downwards, the rack is driven to move downwards, so that the rotating stirring part can be inserted into soil, and soil loosening is realized; simultaneously, the depression bar is swung down and is driven the main connecting rod and move down for baffle and closing plate upper surface butt and drive the closing plate and move towards the spray tube bottom, utilize the closing plate to extrude out the liquid outside the soil amendment extrusion liquid pipe in with the spray tube, realize loosening the soil while spraying, be favorable to improving soil amendment's the efficiency of spraying better.

Preferably, the hinged end of depression bar still is provided with the extension rod, extension rod and depression bar parallel arrangement, extension rod bottom side level is provided with the bracing piece, the bracing piece bottom side is provided with a plurality of isolation rods, and is a plurality of the isolation rod all is towards keeping away from the bracing piece setting.

Through adopting above-mentioned technical scheme, when accessory drive spare ordered about the depression bar upwards swing time delay stretch rod drive bracing piece and isolation rod downward swing until isolation rod and soil butt for the base removes the in-process, and the great stone on soil top layer can be blockked by the isolation rod, thereby reduces the circumstances that stirring portion and the great stone butt of volume caused the damage of stirring portion.

Preferably, the stirring portion is including setting up a plurality of puddlers in the dwang bottom, and is a plurality of the puddler all upwards extends towards keeping away from the dwang slope.

Through adopting above-mentioned technical scheme for can form the back taper when stirring portion rotates, the stirring portion of being convenient for breaks open the soil top layer better, thereby makes the soil that hardens become looser.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a rotating rod is arranged on the rack rotating frame, a stirring part is arranged at the bottom end of the rotating rod, and a main driving part for driving the rotating rod to rotate is further arranged on the rack; the base is also provided with a lifting assembly for driving the rack to move up and down, the rotating rod is driven by the main driving piece to drive the stirring part to rotate, meanwhile, the rack is driven by the lifting assembly to drive the rotating rod to move down with the stirring part, so that the stirring part is in contact with soil, the soil is stirred by the stirring part, and the soil conditioner flowing out of the spray pipe can better permeate into the soil and be absorbed by the soil;

2. one end of the liquid outlet pipe far away from the spray pipe is arranged opposite to the rotating rod, so that the soil improvement liquid sprayed out of the liquid outlet pipe can be sprayed out of the rotating rod, the soil improvement agent can be sputtered all around, and the spraying range of the soil improvement agent is favorably enlarged.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic view of the interior of a nozzle for use in embodiments of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

FIG. 4 is a schematic view illustrating the structure of the connecting rod in the nozzle in the ascending state.

Description of reference numerals:

1. a base; 10. a rotating wheel; 13. a vertical plate; 14. a holding rod; 15. a support; 16. a liquid storage tank; 2. fixing the rod; 21. a pressure lever; 211. a strip through hole; 22. an extension rod; 221. an auxiliary connecting rod; 222. a support bar; 223. an isolation rod; 23. a secondary drive member; 231. a cylinder; 232. a piston rod; 24. a hinged lever; 3. a frame; 30. a main hinge rod; 31. a fixing plate; 32. rotating the rod; 33. a primary drive member; 34. a stirring rod; 4. a nozzle; 41. a liquid outlet pipe; 42. sealing plates; 421. a liquid outlet hole; 422. a rubber layer; 43. a main link; 431. an auxiliary hinge rod; 44. a limiting ball; 45. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a soil improvement structure for a poor land type red-layer desert, and the structure is shown in fig. 1 and fig. 2, and comprises a movable base 1, wherein a vertical plate 13 is vertically arranged on the base 1, the vertical plate 13 is vertically and slidably connected with a rack 3, the rack 3 is vertically and downwards rotated and provided with a rotating rod 32, the bottom end of the rotating rod 32 penetrates through the bottom side of the base 1, and the rotating bottom end is also provided with a stirring part; the frame 3 is also provided with a main drive member 33 for driving the turning lever 32 to turn. The base 1 is also provided with a lifting assembly which drives the rack 3 to move up and down. The base 1 is also vertically provided with a spray pipe 4, the bottom end of the spray pipe 4 extends out of the bottom side of the base 1, the bottom end of the spray pipe 4 is communicated with a liquid outlet pipe 41, and the top end of the spray pipe 4 is provided with a liquid inlet.

Referring to fig. 1 and 2, four groups of rotating wheels 10 are installed at the bottom of the base 1, so that the base 1 can be conveniently moved, two groups of holding rods 14 are vertically and upwards fixed at one end of the base 1, one ends, far away from the base 1, of the two groups of holding rods 14 bend and extend towards the base 1, and the ends, holding the two groups of holding rods 14, of an operator can conveniently push the base 1 to move.

Referring to fig. 2 and 3, the frame 3 is horizontally provided with a fixing plate 31, and the main driving member 33 includes a motor mounted on the fixing plate 31, and an output shaft of the motor is coaxially and fixedly connected to a top end of the rotating rod 32. The rotating rod 32 and the stirring part can be driven to rotate by the rotation of the motor. Stirring portion is including fixing four group's puddlers 34 in dwang 32 bottom, and puddler 34 all is the arc shaft shape, and four group's puddlers 34 revolute the axis evenly distributed of dwang 32, and the slope of dwang 32 is all kept away from to puddler 34 upwards extended, through above setting for during dwang 32 rotates, the stirring portion that four group's puddlers 34 formed can form pointed end back taper down, and the stirring portion of being convenient for digs into in the soil better and loosens the soil.

Referring to fig. 2 and 3, the lifting assembly comprises a fixing rod 2 vertically fixed on the upper surface of the base 1 upwards, a pressing rod 21 is further arranged at the top end of the fixing rod 2, the pressing rod 21 comprises a hinged end and a driving end, the hinged end of the pressing rod 21 is hinged to the top end of the fixing rod 2, the rotary axis of the pressing rod 21 is horizontally arranged, the lifting assembly further comprises an auxiliary driving part 23 arranged on the base 1, and the auxiliary driving part 23 is used for driving the pressing rod 21 to swing up and down. A main hinge rod 30 is horizontally fixed at the top end of the frame 3, the axial direction of the main hinge rod 30 is the same as the rotation axial direction of the pressure rod 21, the main hinge rod 30 penetrates through the pressure rod 21, the pressure rod 21 is also provided with a long through hole 211 for the main hinge rod 30 to penetrate through, and the length direction of the long through hole 211 is the same as the length direction of the pressure rod 21; through above setting, when loosening the soil, order about dwang 32 through main drive piece 33 earlier and drive stirring portion and rotate, order about depression bar 21 lower hem through auxiliary drive piece 23 again, order about frame 3 lapse at depression bar 21 lower hem in-process for stirring portion can with the soil butt that hardens and stir soil.

Referring to fig. 1 and 2, the auxiliary driving member 23 includes an air cylinder 231 vertically erected on the upper surface of the base 1, the air cylinder 231 is opposite to the driving end of the pressing rod 21, a hinge rod 24 is disposed at the top end of a piston rod 232 of the air cylinder 231, and the axial direction of the hinge rod 24 is parallel to the rotation axis of the pressing rod 21; the hinge rod 24 is inserted into the elongated through hole 211, and the cylinder 231 is used to drive the piston rod 232 to extend and retract so as to drive the pressing rod 21 to swing up and down.

Referring to fig. 3 and 4, a sealing plate 42 is disposed in the nozzle 4, a rubber layer 422 is wrapped around the outer peripheral surface of the sealing plate 42, the rubber layer 422 abuts against the inner peripheral wall of the nozzle 4, a main connecting rod 43 is further disposed through the sealing plate 42, the main connecting rod 43 and the sealing plate 42 are axially overlapped, and a through hole for the main connecting rod 43 to pass through is further formed in the sealing plate 42. The bottom end of the main connecting rod 43 is fixed with a limiting ball 44, the limiting ball 44 is opposite to the bottom side of the sealing plate 42, and the outer diameter of the limiting ball 44 is larger than the inner diameter of the through hole. The sealing plate 42 is provided with a plurality of liquid outlet holes 421, and the liquid outlet holes 421 are uniformly distributed around the axis of the sealing plate 42. The main connecting rod 43 is also coaxially fixed with a baffle plate 45, the baffle plate 45 is arranged opposite to the top side of the sealing plate 42, and a distance is reserved between the outer periphery side of the baffle plate 45 and the inner periphery side of the spray pipe 4; the projection of the baffle 45 on the horizontal plane covers the projection of the liquid outlet holes 421 on the horizontal plane. When the main link 43 moves to the position where the limit ball 44 abuts against the bottom side of the sealing plate 42, the baffle 45 is located above the sealing plate 42 and the baffle 45 is spaced from the top side of the sealing plate 42.

Referring to fig. 1 and 2, a support 15 is further vertically fixed on the base 1, a liquid storage tank 16 is arranged at the top end of the support, an opening is formed in the top end of the liquid storage tank 16, and a sealing plug used for sealing the opening is further inserted into the top end of the liquid outlet barrel. The liquid storage tank 16 is positioned on one side of the spray pipe 4, and the bottom end of the liquid storage tank 16 is communicated with a liquid inlet at the top end of the liquid spray pipe through a connecting pipe.

Referring to fig. 2 and 3, the top end of the main link 43 extends to the top end of the nozzle 4, an auxiliary hinge rod 431 is vertically fixed to the top end of the main link 43, and the axial direction of the auxiliary hinge rod 431 is parallel to the axial direction of the main hinge rod 30. The sub hinge rod 431 is inserted into the elongated through hole 211. Through the arrangement, the rubber layer on the sealing plate 42 is abutted against the inner peripheral wall of the spray pipe 4, the friction force between the sealing plate 42 and the spray pipe 4 is greater than the friction force between the sealing plate 42 and the main connecting rod 43, when the auxiliary driving piece 23 drives the pressing rod 21 to swing downwards, the main connecting rod 43 drives the baffle 45 to abut against the top side of the sealing plate 42 and pushes the sealing plate 42 to move towards the bottom of the spray pipe 4 through the baffle 45, the baffle 45 is abutted against the top side of the sealing plate 42, so that the liquid outlet hole 421 is sealed, the sealing plate 42 can extrude the soil conditioner in the cavity at the lower part of the spray pipe 4 to the liquid outlet pipe 41, the soil conditioner can be sprayed out of the liquid outlet pipe 41, and the soil can be better infiltrated; while the sealing plate 42 moves towards the bottom of the spray pipe 4, the air pressure of the upper cavity of the spray pipe 4 is reduced, so that the soil conditioner in the liquid storage tank 16 can flow into the upper cavity of the spray pipe 4, and the soil conditioner is supplemented.

Referring to fig. 3 and 4, when the secondary driving member 23 drives the pressing rod 21 to swing upwards, the pressing rod 21 drives the main connecting rod 43 to move upwards through the secondary hinge rod 431 until the limiting ball 44 abuts against the bottom side of the sealing plate 42 and drives the sealing plate 42 to move upwards, and when the limiting ball 44 abuts against the bottom side of the sealing plate 42, the baffle 45 and the top side of the sealing plate 42 leave a gap, so that the soil conditioner in the upper cavity of the spraying pipe 4 can flow to the lower cavity of the spraying pipe 4 from the gap between the outer periphery of the baffle 45 and the inner periphery of the spraying pipe 4 and the liquid outlet hole 421 in the sealing plate 42, and the soil conditioner in the lower cavity of the spraying pipe 4 can be conveniently pressed out by the following downward movement of the sealing plate 42.

Referring to fig. 2 and 3, the diameter of the liquid outlet pipe 41 gradually shrinks towards the direction away from the spray pipe 4, which is beneficial to improving the flow rate of the soil conditioner flowing through the liquid outlet pipe 41, so that the soil conditioner can be better sprayed out of the liquid outlet pipe 41. Drain pipe 41 orientation is kept away from the downward setting of spray tube 4 slope, the one end that spray tube 4 was kept away from to drain pipe 41 sets up with dwang 32 relatively, when depression bar 21 drive main connecting rod 43 drives closing plate 42 and removes in order to spout soil amendment blowout towards 4 bottoms of spray tube, soil amendment can spray to on the pivoted dwang 32, utilize pivoted dwang 32 to make the soil amendment who spouts on dwang 32 sputter all around, and then be favorable to enlarging soil amendment's the scope of spraying, make soil amendment can permeate to soil in better.

Referring to fig. 1 and 2, the hinged end of the pressing rod 21 is further fixedly connected with an extension rod 22, the length direction of the extension rod 22 is the same as the length direction of the pressing rod 21, one end of the extension rod 22 far away from the pressing rod 21 is fixed with an auxiliary connecting rod 221, the auxiliary connecting rod 221 is located at the bottom side of the extension rod 22 and perpendicular to the extension rod 22, one end of the auxiliary connecting rod 221 far away from the extension rod 22 is vertically fixed with a support rod 222, the support rod 222 and the extension rod 22 are arranged in an inverted T shape, the bottom side of the extension rod 22 is vertically fixed with a plurality of isolation rods 223, the isolation rods 223 are uniformly distributed along the length direction of the support rod 222, one end of the isolation rod 223 far away from the support rod 222 is all sharply arranged, through the arrangement, when the auxiliary driving part 23 drives the pressing rod 21 to swing upwards, the pressing rod 21 drives the extension rod 22 to swing downwards so that the bottom ends of the isolation rods 223 can be abutted to the soil surface layer, so that when the base 1 moves, stones with large soil surface layer can be blocked by the isolation rods 223, so that the subsequent stirring part is not easily damaged.

The implementation principle of the embodiment of the application is as follows:

before the soil conditioner is sprayed on the soil, the auxiliary driving part 23 drives the pressure rod 21 to swing upwards, and the pressure rod 21 drives the extension rod 22 to swing downwards in the upward swinging process until the bottom end of the isolation rod 223 is abutted against the surface layer of the soil; the base 1 is moved by two sets of holding bars 14 to the area where soil improvement agent is to be sprayed.

The rotating rod 32 and the stirring part are driven to rotate by the main driving part 33; the auxiliary driving part 23 drives the pressing rod 21 to swing downwards, and then the pressing rod 21 drives the frame 3 to drive the rotating rod 32 and the stirring part to move downwards until the stirring part is contacted with soil, so that soil stirring loosening is realized.

In the process of downward swinging of the pressing rod 21, the main connecting rod 43 moves downwards and drives the baffle 45 to abut against the top side of the sealing plate 42 and drive the sealing plate 42 to move downwards through the baffle 45, so that the soil conditioner in the cavity at the lower part of the spraying pipe 4 can be extruded out of the liquid outlet pipe 41 and sprayed onto the rotating rod 32 and sputtered all around, and the soil conditioner can better permeate into soil conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A soil improvement structure for inferior ground formula red layer desert which characterized in that: the automatic stirring device comprises a base (1), wherein a rack (3) is vertically arranged on the base (1), a rotating rod (32) is vertically arranged on a rotating frame of the rack (3), the bottom end of the rotating rod (32) penetrates to the bottom side of the base (1), a stirring part is arranged at the bottom end of the rotating rod (32), a main driving part (33) for driving the rotating rod (32) to rotate is further arranged on the rack (3), and a lifting assembly for driving the rack (3) to slide up and down is further arranged on the base (1); the base (1) is further provided with a spray pipe (4), the bottom end of the spray pipe (4) penetrates through the bottom side of the base (1), and the bottom end of the spray pipe (4) is communicated with a liquid outlet pipe (41); the top end of the spray pipe (4) is also provided with a feed inlet;

the lifting assembly comprises a fixed rod (2) and a pressure rod (21) which are arranged on the upper surface of a base (1), the pressure rod (21) comprises a hinged end and a driving end, the hinged end of the pressure rod (21) is hinged to the top end of the fixed rod (2), a main hinge rod (30) is arranged at the top end of a rack (3), the axis direction of the main hinge rod (30) is parallel to the rotation axis direction of the pressure rod (21), the main hinge rod (30) is arranged on the pressure rod (21) in a penetrating manner, a long through hole (211) for the main hinge rod (30) to penetrate is further formed in the pressure rod (21), the length direction of the long through hole (211) is parallel to the length direction of the pressure rod (21), and the lifting assembly further comprises an auxiliary driving piece (23) which is arranged on the base (1) and used for driving the pressure rod (21) to swing up and down;

a sealing plate (42) is arranged in the spray pipe (4), a rubber layer (422) is arranged on the outer peripheral wall of the sealing plate (42), the rubber layer (422) is abutted against the inner peripheral wall of the spray pipe (4), a main connecting rod (43) is vertically arranged on the sealing plate (42), and the top end of the main connecting rod (43) extends out of the top of the spray pipe (4);

a liquid storage tank (16) is arranged at the top end of the spray pipe (4), and the bottom of the liquid storage tank (16) is communicated with the liquid inlet; the main connecting rod (43) penetrates through the sealing plate (42), and a through hole for the main connecting rod (43) to penetrate through is formed in the sealing plate (42); the sealing plate (42) is also provided with a plurality of liquid outlet holes (421); the main connecting rod (43) is provided with a limiting ball (44) and a baffle (45), the limiting ball (44) is opposite to the bottom side of the sealing plate (42), the outer diameter of the limiting ball (44) is larger than the inner diameter of the through hole, the baffle (45) is opposite to the top side of the sealing plate (42), the outer periphery of the baffle (45) is spaced from the inner periphery of the spray pipe (4), and the horizontal projection of the baffle (45) covers the projections of the liquid outlet holes (421) on the horizontal plane; when the main connecting rod (43) moves to the position limiting ball (44) to be abutted against the bottom side of the sealing plate (42), the baffle plate (45) is spaced from the upper surface of the sealing plate (42).

2. The soil improvement structure for inferior red desert according to claim 1, wherein: the liquid outlet pipe (41) is obliquely arranged downwards towards the direction far away from the spray pipe (4), and one end, far away from the spray pipe (4), of the liquid outlet pipe (41) is arranged opposite to the rotating rod (32).

3. The soil improvement structure for inferior red desert according to claim 2, characterized in that: the top end of the main connecting rod (43) is provided with an auxiliary hinge rod (431), the axial direction of the auxiliary hinge rod (431) is parallel to the rotation axis of the pressure rod (21), and the auxiliary hinge rod (431) penetrates through the long through hole (211).

4. A soil improvement structure for inferior red desert according to claim 3, characterized in that: the hinged end of depression bar (21) still is provided with extension rod (22), extension rod (22) and depression bar (21) parallel arrangement, extension rod (22) bottom side level is provided with bracing piece (222), bracing piece (222) bottom side is provided with a plurality of isolation bars (223), and is a plurality of isolation bar (223) all towards keeping away from bracing piece (222) setting.

5. The soil improvement structure for inferior red desert according to claim 4, characterized in that: stirring portion is including setting up a plurality of puddlers (34) in dwang (32) bottom, and is a plurality of puddler (34) all extend upwards towards keeping away from dwang (32) slope.