Soil improvement device

Abstract

The utility model belongs to the technical field of agriculture and forestry machinery, and particularly relates to a soil improvement device. Comprising a deep scarification gun, an air inlet pipe and a spray explosion tank, the lower end of the deep scarification gun is in interference fit with a deep scarification head, the deep scarification head is of a conical structure, an airflow channel is formed in the deep scarification gun, a spraying hole is formed in the lower end of the deep scarification gun, an air inlet is formed in the side wall of the upper end of the deep scarification gun, and the airflow channel is communicated with the spraying hole and the air inlet; the air inlet pipe comprises a hose and a metal pipe, one end of the hose is communicated with the metal pipe, the metal pipe is in interference fit with the air inlet, and the other end of the hose is communicated with the air outlet of the spray explosion tank. According to the scheme, through the integrated modeling design of the deep scarification gun, the drill rod, the deep applying rod and the deep applying head are connected instead of threads or bolts, unnecessary connecting structures on parts are reduced, meanwhile, connecting pieces are reduced, the mechanical property of the deep scarification gun is optimized, the durability of the parts is improved, and the service life of the deep scarification gun is remarkably prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural and forestry machinery, in particular to a soil improvement device. BACKGROUND

[0002] At present, forestry has become an important part of China's agricultural and forestry planting, but in the process of forestry management, the orchard is caused by the soil hardening due to the lack of deep ploughing for many years, which causes the water, gas and heat in the soil to be unable to penetrate, the soil capillary is damaged, the nutrient transport capacity is decreased, the soil organisms and organic matter are sharply reduced, and the growth of fruit tree root system is hindered. At the same time, the hardened soil is not conducive to the storage of natural precipitation and the absorption and utilization of fertilizer, resulting in water and fertilizer loss and soil barrenness.

[0003] Air explosion soil loosening is a new type of soil loosening technology, which uses high-pressure gas as power and rapidly loosens soil through jet flow to improve soil permeability and maintain good soil structure. Air explosion soil loosening technology has wide application prospects in the fields of agriculture, landscaping, soil remediation, etc.

[0004] In the operation device of the traditional solid-liquid mixture spray mixing deep application machine, the drill rod, the deep application rod and the deep application head are three independent parts, the connection modes of the drill rod and the deep application rod, and the deep application rod and the deep application head are thread or pin connection, and the connection needs additional connecting pieces. The problems existing in the prior art are that the connected parts are easy to fatigue failure, the stability and reliability of the connection are insufficient, and the types of connecting pieces are more and the same are easy to fatigue failure. INNOVATION CONTENT

[0005] The utility model provides a kind of soil improvement device, unnecessary connecting structure on operation device part can be reduced.

[0006] In order to achieve the above purpose, the present application provides a kind of soil improvement device, including deep loosening gun, air inlet pipe and spray explosion tank, the deep loosening gun lower end is provided with deep loosening head by interference fit, deep loosening head is conical structure, air flow passage is arranged in the deep loosening gun, the deep loosening gun lower end is equipped with jet hole, the sidewall of the deep loosening gun upper end is equipped with air inlet, air flow passage is communicated with jet hole and air inlet respectively;

[0007] The air inlet pipe includes hose and metal pipe, one end of the hose is communicated with the metal pipe, the metal pipe is interference fitted with the air inlet, the other end of the hose is communicated with the outlet of the spray explosion tank.

[0008] The principle of the present application is that the deep loosening gun is inserted into the soil that needs to be loosened, so that the jet hole is sealed with the soil, then the compressed air is transported to the spray explosion tank from the outside, the spray explosion tank releases the compressed air of a certain pressure and gas volume instantaneously, the deep loosening rod enters the soil to form spray explosion, and the impact wave and gas expansion loosen the soil.

[0009] The beneficial effects of the present scheme are:

[0010] The present scheme forms an integrated design of the deep loosening gun by interference fitting the metal pipe and the deep loosening head, instead of connecting the drill rod, the deep loosening rod and the deep loosening head by threads or latches, thereby reducing unnecessary connecting structures on the parts, reducing the connecting parts, optimizing the mechanical properties, improving the durability of the parts and significantly prolonging the service life.

[0011] (2) By using the present scheme for soil loosening, the soil surface does not need to be turned over, and the soil deep loosening can be achieved, the air and water loss is reduced, the soil loosening range can cover the whole area of root growth, and the soil aggregate structure is not damaged, meeting the root development requirements of crops.

[0012] Further, the deep loosening gun is provided with a feeding port, the feeding port is communicated with a feeding pipe, the feeding port is communicated with the airflow channel, and the feeding pipe is used for conveying materials.

[0013] Beneficial effects: when the deep loosening gun sprays and explodes for deep loosening, the feeding pipe is closed, when the spraying and exploding for deep loosening is completed, the feeding pipe is opened, the materials enter the deep loosening gun, then the feeding pipe is closed, the spraying airflow enters the deep loosening gun for spraying and exploding, and then the materials are deeply applied, so that the materials enter the soil cracks formed by deep loosening, and the application atmosphere of the materials is wider.

[0014] Further, the pneumatic three-way valve further comprises an outlet, a first inlet and a second inlet, the outlet of the pneumatic three-way valve is communicated with the air inlet pipe, and the first inlet and the second inlet of the pneumatic three-way valve are respectively communicated with the feeding pipe and the outlet of the spraying and exploding tank.

[0015] Beneficial effects: first, the pneumatic three-way valve closes the first inlet and opens the second inlet, at this time, the airflow in the spraying and exploding tank enters the deep loosening gun to form spraying and exploding for deep loosening in the soil, then the pneumatic three-way valve closes the second inlet and opens the first inlet, the materials enter the airflow channel of the deep loosening gun for temporary storage, then the pneumatic three-way valve closes the first inlet and opens the second inlet again, the airflow in the spraying and exploding tank enters the deep loosening gun, and then the materials temporarily stored in the deep loosening gun are mixed with the compressed air, and then the deep loosening gun forms spraying and exploding with materials in the soil, loosens the soil, breaks the hardenings, reduces the damage degree of the deep loosening gun, expands the soil porosity, and simultaneously uniformly sprays the materials in the soil along with the air.

[0016] Further, the air compressor and the air storage tank are further included, and the air storage tank is communicated with the air compressor and the spraying and exploding tank at two ends.

[0017] Beneficial effects: the air compressor provides compressed air to the spraying and exploding tank through the air storage tank, the air storage tank is used for air compression buffering and storage, and the pressure and capacity of the air storage tank are matched with the exhaust pressure and capacity of the air compressor.

[0018] Further, the reciprocating vibrator is provided with a slide, the upper end of the deep scarification gun is located in the slide, the upper end of the deep scarification gun is provided with a groove, the reciprocating vibrator is provided with a through hole, and a plug matched with the groove is arranged in the through hole.

[0019] Beneficial effects: the upper end of the deep scarification gun is inserted into the slide, and then the plug is inserted into the through hole. Because the plug is matched with the groove, and the length of the groove is matched with the vibration amplitude of the reciprocating vibrator, the maximum distance away from the impact surface of the reciprocating vibrator and the impact surface of the deep scarification gun is defined through the plug.

[0020] Further, the reciprocating vibrator and the frame are further provided, the frame is fixedly provided with a slide rail, the reciprocating vibrator is slidably installed on the slide rail, the reciprocating vibrator is movably connected with the upper end of the deep scarification gun, and the vibration direction of the reciprocating vibrator is the same as the soil entering direction of the deep scarification gun.

[0021] Beneficial effects: the deep scarification gun is driven by the reciprocating vibrator, so that the deep scarification gun reciprocates in the vertical direction of the target deep scarification soil surface while descending, the deep scarification gun can instantly break the soil, descend to the set depth, and then high-pressure shock waves are sprayed out of the explosion tank to achieve the purpose of deep scarification. The high-pressure shock waves are sprayed out of the bottom of the deep scarification gun to crack the soil around the deep scarification gun, and the deep scarification gun has the characteristics of rapidness, high efficiency and high quality, greatly improves the work efficiency, reduces the damage to the soil around the soil entering gun wall, and ensures the soil sealing required for explosion.

[0022] Further, the hydraulic cylinder is further provided, the reciprocating vibrator is a hammer core of a hydraulic impact hammer, the hydraulic cylinder is fixedly installed on the frame, the hydraulic cylinder drives the hammer core of the hydraulic impact hammer to quickly stretch and retract to impact the impact surface of the deep scarification gun, and the lower end of the hammer core of the hydraulic impact hammer is movably connected with the upper end of the deep scarification gun.

[0023] Beneficial effects: when deep scarification is needed, the hydraulic cylinder drives the hammer core of the hydraulic impact hammer to quickly stretch and retract to impact the impact surface of the deep scarification gun, and drives the deep scarification gun to enter the soil. After the explosion deep scarification is completed, the hydraulic cylinder pulls up the hammer core of the hydraulic impact hammer to pull out the deep scarification gun from the soil.

[0024] Further, the reciprocating vibrator is a hammer core of an air hammer, and the lower end of the hammer core of the air hammer is movably connected with the upper end of the deep scarification gun.

[0025] Beneficial effects: the hammer core of the air hammer quickly stretches and retracts to impact the impact surface of the deep scarification gun, and drives the deep scarification gun to enter the soil.

[0026] Further, the unearthing device is further provided, and the unearthing device is used to pull out the deep scarification gun from the soil.

[0027] Beneficial effects: it is convenient to move to the next work point.

[0028] Further, the color of the surface at the injection hole is different from the color of the deep loosening gun.

[0029] Beneficial effect: Because the injection hole is subjected to airflow impact for a long time, the deep loosening gun section near the injection hole is prone to breakage, especially when the deep loosening gun performs jet explosion deep loosening in the soil. Therefore, when the deep loosening gun section at the injection hole is fatigued and cracks are generated, the cracks can be very obviously observed, and then the deep loosening gun is stopped from moving downward, and a new deep loosening gun is replaced, so that the deep loosening gun end section is prevented from falling into the soil and being difficult to take out.

[0030] Further, the length of the deep loosening gun is 10 cm-200 cm.

[0031] Effective effect: The deep loosening gun can perform deep loosening on the soil with a depth of 10 cm-200 cm, loosen the soil at the root of the fruit tree, and break the plough pan and hardened soil. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a structure schematic view of the utility model embodiment 1;

[0033] Figure 2 It is a structure schematic view of the deep loosening gun and the air inlet pipe of the utility model embodiment 1;

[0034] Figure 3 It is a structure schematic view of the jet explosion tank and the three-way valve of the utility model embodiment 1;

[0035] Figure 4 It is a connection structure schematic view of the deep loosening gun and the hammer core of the hydraulic impact hammer of the utility model embodiment 1;

[0036] Figure 5 It is a structure sectional view of the deep loosening gun groove of the utility model embodiment 1;

[0037] Figure 6 It is a structure sectional view of the through hole and the limiting hole of the utility model embodiment 1;

[0038] Figure 7 It is a whole structure schematic view of the utility model embodiment 2;

[0039] Figure 8 It is a structure schematic view of the utility model embodiment 2;

[0040] Figure 9 It is a structure schematic view of the utility model embodiment 2;

[0041] Figure 10 It is a structure schematic view of the air compressor and the gas storage tank of the utility model embodiment 2;

[0042] Figure 11 Figure 2 is a sectional view of the connecting structure of the deep loosening gun and the hammer core of the air hammer according to Embodiment 2 of the present application. DETAILED DESCRIPTION

[0043] The application will be further described in detail by specific embodiments:

[0044] The signs in the drawings of the specification include: 1, deep loosening gun; 2, air inlet pipe; 3, jet explosion tank; 4, jet hole; 5, deep loosening head; 6, first inlet; 7, feeding pipe; 8, pneumatic three-way valve; 9, air compressor; 10, air storage tank; 11, machine frame; 12, hydraulic cylinder; 13, hammer core of hydraulic impact hammer; 14, hammer core of air hammer; 15, walking platform; 16, walking wheel; 17, handle; 18, material box; 19, discharging valve; 20, support; 21, rotating shaft; 22, first gear; 23, second gear; 24, chain; 25, crank handle; 26, groove; 27, through hole; 28, limiting hole; 29, air inlet. EMBODIMENT

[0045] As shown in the drawings, Figures 1-2

[0046] A soil improvement device, comprising a walking platform 15 and a machine frame 11, a deep loosening gun 1, an air inlet pipe 2, a jet explosion tank 3, an air compressor 9 and an air storage tank 10 located on the walking platform 15, the walking platform 15 being a diesel-powered vehicle or a gasoline-powered vehicle. The deep loosening gun 1 is provided with an airflow passage, and the lower end of the deep loosening gun 1 is provided with a jet hole 4, and the airflow passage is in communication with the jet hole 4 and an air inlet respectively; the deep loosening head 5 at the lower end of the deep loosening gun 1 is in interference fit and has a conical structure, and the sidewall of the upper end of the deep loosening gun 1 is provided with an air inlet; the air inlet pipe 2 comprises a hose and a metal pipe, the metal pipe is made of stainless steel, one end of the hose is in communication with the metal pipe, the metal pipe is in interference fit with the air inlet, the other end of the hose is in communication with the air outlet of the jet explosion tank 3, and the two ends of the air storage tank 10 are in communication with the air compressor 9 and the jet explosion tank 3 respectively. The air compressor 9 provides compressed gas for the jet explosion tank 3 through the air storage tank 10, the air storage tank 10 is used for air compression buffering and storage, and the pressure and capacity of the air storage tank 10 are matched with the exhaust pressure and capacity of the air compressor 9.

[0047] The deep loosening gun 1 is inserted into the soil that needs to be loosened, so that the jet hole 4 is sealed with the soil, then the compressed air is transported into the jet explosion tank 3 from the outside, the jet explosion tank 3 releases the compressed air of a certain pressure and volume instantaneously, enters the soil through the deep loosening rod to form jet explosion, and produces an impact wave and gas expansion to loosen the soil. The length of the deep loosening gun 1 is 10cm-200cm. The depth of deep loosening can be set by oneself according to needs.

[0048] As shown in the drawings, Figure 3

[0049] ​​Further comprising a pneumatic three-way valve 8, the pneumatic three-way valve 8 comprises an outlet, a first inlet 6 and a second inlet, the outlet of the pneumatic three-way valve 8 communicates with the air inlet pipe 2, the first inlet 6 and the second inlet of the pneumatic three-way valve 8 respectively communicate with the feeding pipe and the outlet of the jetting and blasting tank 3. The feeding pipe communicates with a material tank 18. First, the pneumatic three-way valve 8 closes the first inlet 6 and opens the second inlet, at this time the airflow in the jetting and blasting tank 3 enters the deep loosening gun 1 to form jetting and blasting deep loosening in the soil, then the pneumatic three-way valve 8 closes the second inlet and opens the first inlet 6, the material enters the airflow channel of the deep loosening gun 1, then the pneumatic three-way valve 8 closes the first inlet 6 again and opens the second inlet, the airflow in the jetting and blasting tank 3 enters the deep loosening gun 1, and then the material temporarily staying in the deep loosening gun 1 is mixed with the compressed air together, and then the deep loosening gun 1 forms jetting and blasting with material in the soil to loosen the soil, break the hardened clods, slow down the damage degree of the deep loosening gun 1, expand the soil porosity, and at the same time the material is uniformly sprayed in the soil together with the air.

[0050] As shown in the accompanying drawings, Figure 1 , 4 -6,

[0051] Further comprising a hydraulic cylinder 12 and a hammer core 13 of a hydraulic impact hammer, the machine frame 11 is fixedly provided with a sliding rail, the hammer core 13 of the hydraulic impact hammer is slidingly installed on the sliding rail, and the vibration direction of the hammer core 13 of the hydraulic impact hammer is the same as the soil entering direction of the deep loosening gun 1. The hydraulic cylinder 12 is fixedly installed on the machine frame 11, the hydraulic cylinder 12 drives the hammer core 13 of the hydraulic impact hammer to quickly extend and retract to impact the impact surface of the deep loosening gun 1, and the lower end of the hammer core 13 of the hydraulic impact hammer is movably connected with the upper end of the deep loosening gun 1.

[0052] The hammer core 13 of the hydraulic impact hammer is provided with a sliding channel, the upper end of the deep loosening gun 1 is slidingly located in the sliding channel, the upper end of the deep loosening gun 1 is provided with a groove 26, the hammer core 13 of the hydraulic impact hammer is provided with a through hole 27, and the through hole 27 is provided with a latch matched with the groove 26.

[0053] The hammer core 13 of the hydraulic impact hammer is further provided with a limiting hole 28, the center line of the limiting hole 28 is perpendicular to the center line of the through hole 27, the edge of the limiting hole 28 intersects with the edge of the through hole 27, and a limiting pin is provided in the limiting hole 28 in an interference fit. The latch and the through hole 27 are in clearance fit, the limiting pin and the latch are in interference fit, and the diameter of the limiting pin is smaller than that of the latch.

[0054] When the deep loosening gun 1 is broken due to frequent entering and leaving the soil and jetting and blasting, the deep loosening gun 1 can be replaced by taking out the limiting pin and then taking out the latch. Because the diameter of the limiting pin is smaller than that of the latch, it is easier to take out the limiting pin in interference fit than to take out the latch in interference fit, so the latch is in clearance fit and the limiting pin is in interference fit.

[0055] When deep ploughing is needed, the hydraulic cylinder 12 drives the hammer core 13 of the hydraulic impact hammer to quickly extend and retract the impact surface of the deep ploughing gun 1, drives the deep ploughing gun 1 into the soil, and after the explosion of the deep ploughing gun 1 is completed, the hydraulic cylinder 12 pulls up the hammer core 13 of the hydraulic impact hammer to pull out the deep ploughing gun 1 from the soil.

[0056] The deep ploughing gun 1 is driven by the hammer core 13 of the hydraulic impact hammer to make the deep ploughing gun 1 reciprocate vertically to the target deep ploughing soil surface while descending, so that the deep ploughing gun 1 can instantly break the soil, descend to the set depth, and then spray high-pressure shock waves from the explosion tank 3 to achieve the purpose of deep ploughing. The high-pressure shock waves are sprayed from the bottom of the deep ploughing gun 1 to crack the soil around the deep ploughing gun 1, which has the characteristics of rapidness, high efficiency and high quality, greatly improves the work efficiency, reduces the damage to the soil around the soil gun wall, and ensures the soil sealing required for explosion.

[0057] The color of the surface at the jet hole 4 is different from the color of the deep ploughing gun 1. When the deep ploughing gun 1 segment at the jet hole 4 is fatigued and has cracks, the cracks can be clearly seen, and then the deep ploughing gun 1 is stopped from descending, and then a new deep ploughing gun 1 is replaced to prevent the end segment of the deep ploughing gun 1 from falling into the soil and being difficult to take out. Embodiment

[0058] As shown in the accompanying Figures 7-9 ,

[0059] A soil improvement device includes a frame 11, a walking platform 15, a deep ploughing gun 1, an air inlet pipe 2, an explosion tank 3, an air compressor 9 and an air storage tank 10. The air compressor 9 and the air storage tank 10 are located on the walking platform 15, and the walking platform 15 is a vehicle frame. The deep ploughing gun 1 and the explosion tank 3 are located on the frame 11, and the frame 11 is provided with walking wheels 16 and a handle 17. The handle 17 is used to push the frame 11 forward.

[0060] The deep ploughing gun 1 is provided with an airflow channel, and the lower end of the deep ploughing gun 1 is provided with a jet hole 4. The airflow channel is in communication with the jet hole 4 and an air inlet 29 respectively. The deep ploughing head 5 at the lower end of the deep ploughing gun 1 is in interference fit and has a conical structure. The sidewall of the upper end of the deep ploughing gun 1 is provided with the air inlet 29. The air inlet pipe 2 includes a hose and a metal pipe. One end of the hose is in communication with the metal pipe. The metal pipe is in interference fit with the air inlet 29. The other end of the hose is in communication with the air outlet of the explosion tank 3. The air storage tank 10 is in communication with the air compressor 9 and the explosion tank 3 respectively.

[0061] The device also includes a hammer core 14 of an air hammer. The frame 11 is fixedly provided with a sliding rail, and a support 20 is slidingly installed on the sliding rail. The hammer core 14 of the air hammer is fixedly connected with the support 20. The lower end of the hammer core 14 of the air hammer is movably connected with the upper end of the deep ploughing gun 1. The vibration direction of the hammer core 14 of the air hammer is the same as the soil entering direction of the deep ploughing gun 1.

[0062] As shown in the accompanyingFigures 10-11 As shown

[0063] The hammer core 14 of the air hammer is provided with a sliding channel, the upper end of the deep scarifying gun 1 is slidably located in the sliding channel, the upper end of the deep scarifying gun 1 is provided with a groove 26, the hammer core 14 of the air hammer is provided with a through hole 27, and a plug pin matched with the groove 26 is provided in the through hole 27 in an interference fit.

[0064] The upper end of the deep scarifying gun 1 is inserted into the sliding channel, and then the plug pin is inserted into the through hole 27. Because the plug pin is matched with the groove 26, and the length of the groove 26 is matched with the vibration amplitude of the reciprocating vibrator, the impact surface of the reciprocating vibrator and the maximum distance away from the impact surface of the deep scarifying gun 1 are limited by the plug pin. When the deep scarifying gun 1 needs to be replaced, the plug pin can be directly removed. The hammer core 14 of the air hammer is provided with compressed gas by the air compressor 9, and the loosening head is inserted into the soil at a proper position by the continuous impact action of the hammer core 14 of the air hammer.

[0065] The deep scarifying gun 1 is provided with a feeding port, the feeding port is communicated with a feeding pipe 7, the feeding port is communicated with the airflow channel, the feeding pipe 7 is used for conveying materials, and the feeding port is provided with a discharging valve 19. The rack 11 is further provided with a material box 18, and the material box 18 is communicated with the feeding pipe 7.

[0066] After the deep scarifying gun 1 is deep scarified and blasted in the soil, the discharging valve 19 is opened, and then the material enters the channel of the deep scarifying gun 1 for temporary storage. Then the discharging valve 19 is closed, and the deep scarifying and blasting is performed again. Compressed air enters the channel to carry the material to be sprayed through the spray hole 4, so that the material is deeply applied.

[0067] Further comprising an unearthing device, the unearthing device comprises a rotating shaft 21 and a first gear 22, the rotating shaft 21 and the first gear 22 are respectively rotatably arranged at the upper end and the lower end of the rack 11, the rotating shaft 21 is coaxially fixedly connected with a second gear 23, the first gear 22 and the second gear 23 are connected through a chain 24, a support 20 is fixed on the chain 24 between the first gear 22 and the second gear 23, and the other end of the rotating shaft 21 is fixedly connected with a crank 25.

[0068] Firstly, the deep scarifying gun 1 moves downward for deep scarifying and deep application. After the deep scarifying and deep application is completed, the crank 25 is rotated to drive the chain 24 to move upward, so that the chain 24 drives the support 20 to move upward, and then the support 20 drives the deep scarifying gun 1 to move upward to move out of the ground, so as to facilitate the movement of the device to the next working point.

[0069] The above is only an embodiment of the present application, and the present application is not limited to this embodiment. The common technical knowledge of the specific structure and characteristics in the scheme and other common knowledge are not described in detail herein. The ordinary skilled person in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental means before that date. The ordinary skilled person in the art can perfect and implement the present scheme based on the disclosure given in the present application and in combination with their own ability. Some typical known structures or known methods should not be an obstacle for the ordinary skilled person in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application. These will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and other records in the specification can be used to explain the content of the claims.

Claims

1. A soil improvement device, comprising a deep scarifier gun (1), an air inlet pipe (2) and a blasting tank (3), the deep scarifier gun (1) is provided with an airflow channel, the lower end of the deep scarifier gun (1) is provided with a jet hole (4), the sidewall of the upper end of the deep scarifier gun (1) is provided with an air inlet (29), and the airflow channel is in communication with the jet hole (4) and the air inlet (29) respectively; characterized in that: the lower end of the deep scarifier gun (1) is provided with a deep scarifier head (5) in interference fit, the deep scarifier head (5) is in conical structure, the air inlet pipe (2) comprises a hose and a metal pipe, one end of the hose is in communication with the metal pipe, the metal pipe is in interference fit with the air inlet (29), and the other end of the hose is in communication with the air outlet of the blasting tank (3).

2. A soil amelioration device as claimed in claim 1, characterised in that: The deep scarifier gun (1) is provided with a feeding port, the feeding port is in communication with a feeding pipe, the feeding port is in communication with the airflow channel, and the feeding pipe is used for conveying materials.

3. A soil amelioration device as claimed in claim 2, characterised in that: Further comprising a pneumatic three-way valve (8), the pneumatic three-way valve (8) comprises an outlet, a first inlet (6) and a second inlet, the outlet of the pneumatic three-way valve (8) is in communication with the air inlet pipe (2), and the first inlet (6) and the second inlet of the pneumatic three-way valve (8) are respectively in communication with the feeding pipe (7) and the outlet of the blasting tank (3).

4. A soil amelioration device as claimed in claim 1, characterised in that: Further comprising an air compressor (9) and an air storage tank (10), the air storage tank (10) is in communication with the air compressor (9) and the blasting tank (3) at two ends respectively.

5. A soil amelioration device as claimed in claim 1, characterised in that: Further comprising a reciprocating vibrator and a rack (11), the rack (11) is fixedly provided with a sliding rail, the reciprocating vibrator is slidingly installed on the sliding rail, the reciprocating vibrator is movably connected with the upper end of the deep scarifier gun (1), and the vibration direction of the reciprocating vibrator is the same as the soil-entering direction of the deep scarifier gun (1).

6. A soil amelioration device as claimed in claim 5, characterised in that: The reciprocating vibrator is provided with a slide, the upper end of the deep scarifier gun (1) is slidingly located in the slide, the upper end of the deep scarifier gun (1) is provided with a groove, the reciprocating vibrator is provided with a through hole (27), and the through hole (27) is provided with a bolt matched with the groove.

7. A soil amelioration device as claimed in claim 6, characterised in that: Further comprising a hydraulic cylinder (12), the reciprocating vibrator is a hammer core (13) of a hydraulic impact hammer, the hydraulic cylinder (12) is fixedly installed on the rack (11), the hydraulic cylinder (12) drives the hammer core (13) of the hydraulic impact hammer to quickly stretch and retract to impact the impact surface of the deep scarifier gun (1), and the lower end of the hammer core (13) of the hydraulic impact hammer is movably connected with the upper end of the deep scarifier gun (1).

8. A soil amelioration device as claimed in claim 6, characterised in that: The reciprocating vibrator is a hammer core (14) of an air hammer, and the lower end of the hammer core (14) of the air hammer is movably connected with the upper end of the deep scarifier gun (1).

9. A soil amelioration device as claimed in claim 8, characterised in that: Further comprising an unearthing device, the unearthing device is used for pulling out the deep scarifier gun (1) from the soil.

10. A soil amelioration device as claimed in claim 1, characterised in that: The color of the surface at the jet hole (4) is different from that of the deep scarifier gun (1).

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