Agricultural fertilization multi-row operation machine

Abstract

The utility model belongs to the technical field of agricultural machinery, and relates to an agricultural fertilization multi-row operation machine which comprises a power traction mechanism, the power traction mechanism is transversely connected with a plurality of groups of fertilization modules through traction connecting pieces, and the adjacent fertilization modules are fixedly connected through a plurality of groups of module lapping plates. The front sides of the adjacent fertilization modules are also connected with telescopic sleeves; and the plurality of groups of fertilization modules are transversely connected in series into a whole by the module lapping plates and the telescopic sleeves. Appropriate groups of fertilization modules are selected according to the width of the fertilization land, and fertilization operation is synchronously performed in multiple columns, so that the operation area is enlarged, and the operation efficiency is improved. Auxiliary support is provided through contact between the supporting assembly and the ground, and the fertilization module is kept balanced and stable. A plurality of groups of fertilization modules are modularly and detachably connected through a biogas tank communicating pipe, a module lapping plate and a telescopic sleeve, and when a certain group of fertilization modules breaks down, the failed fertilization module can be quickly detached and replaced, so that the time is saved, and the fertilization operation progress is not influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, and in particular relates to an agricultural fertilization multi-row operating machine. Background Art

[0002] With the improvement of agricultural automation and intelligence, intelligent equipment is increasingly used in agricultural production. Traditional agricultural fertilization operations rely on manual labor, which is time-consuming and labor-intensive, and the fertilization effect is poor. At present, intelligent fertilization robots have gradually been used in the field of large-scale agricultural planting technology.

[0003] Most existing fertilization robots only spread fertilizer on the ground, which cannot be used for deep fertilization. Fertilizer cannot be used to its maximum effect and pollutes the air environment. The utility model patent with the authorization announcement number CN216532502U discloses a spray-mix deep fertilization machine for returning biogas fertilizer to the field, which enables biogas liquid to reach the deep soil and soil cracks. However, the patent uses a crawler walking platform to carry a single deep fertilization gun and a soil entry device, which has a small operating area. When the deep fertilization machine fails, it can only be restarted after stopping for maintenance, which wastes time and has low fertilization efficiency. Summary of the invention

[0004] The utility model aims to provide an agricultural fertilization multi-row operation machine which can replace faulty fertilization modules at any time, increase or reduce the number of fertilization modules at any time and has high fertilization operation efficiency.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an agricultural fertilization multi-row operation machine, including a power traction mechanism, the rear part of which is laterally connected to a plurality of groups of fertilization modules through a traction connecting piece, adjacent fertilization modules are fixedly connected by a plurality of groups of module lap plates, and the front sides of adjacent fertilization modules are also connected to telescopic sleeves, and the module lap plates and the telescopic sleeves laterally connect the plurality of groups of fertilization modules in series into a whole.

[0006] In a possible implementation, several groups of fertilization modules can be detachably connected to the front or rear of the power traction mechanism according to actual needs; they can also be symmetrically distributed in two rows and connected to the left and right sides of the power traction mechanism to achieve multi-row synchronous fertilization in one operation.

[0007] In a possible implementation, each group of the fertilization modules includes a frame, on which a biogas tank is fixedly mounted, a traction welded body is mounted on the front side of the frame, both ends of the traction welded body are hollow tubular structures for inserting the telescopic sleeve, and a lug for fixed connection with the traction connecting piece is mounted in the middle of the traction welded body.

[0008] In a possible implementation, the fertilization modules are in an odd number group, the power traction mechanism is connected to the fertilization module located in the middle through a traction connection, and the other fertilization modules are symmetrically distributed on both sides of the middle fertilization module.

[0009] In a possible implementation, at least two groups of module overlap plates are provided between adjacent fertilization modules, and both ends of each group of module overlap plates are respectively fixedly connected to two adjacent groups of frames. Both ends of the frames are respectively provided with a plurality of mounting holes, and the two ends of the module overlap plates are respectively placed in the corresponding mounting holes, and the module overlap plates are detachably connected to the frames by bolts.

[0010] In a possible implementation, the biogas tanks of adjacent fertilization modules are detachably connected via a biogas tank connecting pipe to maintain a balance of liquid levels in each biogas tank.

[0011] In a possible implementation, two groups of deep application components are symmetrically installed on the rear part of the frame, heavy-duty universal wheels are symmetrically provided on the bottom of the frame, a gas tank and an air compressor are installed on the frame, and sprayers are installed on the frames on both sides of the gas tank, respectively. The gas tank is connected to the two groups of sprayers through pipelines, and the compressed air provided by the air compressor is stored in the gas tank. The gas tank delivers compressed air to the two groups of sprayers. The sprayers are connected to a pneumatic three-way valve, and the sprayers are connected to one inlet of the pneumatic three-way valve. The biogas tank is connected to the other inlet of the pneumatic three-way valve through a feed pipeline and a feed pump, and the outlet of the pneumatic three-way valve is connected to the corresponding deep application component through a spray connection pipe. The pneumatic three-way valve controls the switching of the spray connection pipe to deliver compressed air or biogas.

[0012] In a possible implementation, a water separator and air filter are connected between the sprayer and the pneumatic three-way valve to filter water vapor and oil droplets in the compressed air and protect the pneumatic three-way valve.

[0013] In a possible implementation, the deep application operation assembly includes an adjusting cylinder and an operation bracket, the adjusting cylinder is fixedly installed on the rear part of the frame, the output end of the adjusting cylinder is connected to the operation bracket, driving the operation bracket to move up and down, the operation cylinder is fixedly installed on the operation bracket, the output end of the operation cylinder is connected to a breaker, the lower end of the breaker is fixedly connected to a hollow deep application rod body, the upper end of the deep application rod body is connected to an explosion connection pipe, a deep application rod head is installed at the lower end of the deep application rod body, the explosion connection pipe transports compressed air or biogas slurry to the deep application rod head through the deep application rod body, a deep application grounding plate is installed at the lower end of the operation bracket, a through hole is provided in the middle part of the deep application grounding plate for the deep application rod head to pass through, the deep application grounding plate is used to provide positioning for the deep application rod head, and the operation cylinder drives the breaker hammer, the deep application rod body and the deep application rod head to operate up and down on the operation bracket.

[0014] In a possible implementation, at least one group of support components is fixedly installed on the front of the frame, and each group of support components includes a support plate, a support hydraulic cylinder and a cylinder fixing plate. The cylinder fixing plate is fixedly installed on the frame, the support hydraulic cylinder is fixedly installed on the cylinder fixing plate, and the support plate is fixedly connected to the lower end of the support hydraulic cylinder. The support plate is used to contact the ground to keep the fertilization module balanced and stable.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model of the agricultural fertilization multi-row operation machine can select the appropriate number of fertilization modules according to the width of the fertilized land, and connect several groups of fertilization modules in series horizontally into a whole through the module overlap plate and the telescopic sleeve. The number of fertilization modules can be increased or decreased at any time, and multiple rows can perform fertilization operations synchronously, thereby expanding the operating area and improving the operating efficiency.

[0017] 2. The agricultural fertilization multi-row operation machine of the utility model provides auxiliary support through the contact between the support component and the ground, so as to solve the problem of reaction force caused to the front part of the frame when the deep fertilization operation component is working, so as to keep the balance and stability of the fertilization module when working.

[0018] 3. The agricultural fertilization multi-row operation machine of the utility model connects the biogas tanks of adjacent fertilization modules in a detachable manner through the biogas tank connecting pipe, so as to maintain the liquid level balance in each biogas tank and improve the synchronization of the fertilization operation.

[0019] 4. The agricultural fertilization multi-row operation machine of the utility model realizes modular and detachable connection of several groups of fertilization modules through the biogas tank connecting pipe, module lap plate and telescopic sleeve. When a group of fertilization modules fails, the faulty fertilization module can be quickly removed and replaced, which saves time and does not affect the progress of fertilization operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a three-dimensional overall structure of the agricultural fertilization multi-row operation machine Figure 1 .

[0021] Figure 2 The utility model is a three-dimensional overall structure of the agricultural fertilization multi-row operation machine Figure 2 .

[0022] Figure 3 It is a front view of the utility model agricultural fertilization multi-row operation machine.

[0023] Figure 4 It is a top view of the utility model agricultural fertilization multi-row operation machine.

[0024] Figure 5 It is a stereoscopic diagram of the overall structure of the fertilization module of the utility model.

[0025] Figure 6 yes Figure 5 A magnified view of the local structure at point A.

[0026] Figure 7 It is a front view of the fertilization module of the utility model.

[0027] In the figure, 1, power traction mechanism, 2, fertilization module, 3, module lap plate, 4, telescopic sleeve, 5, traction connector, 6, biogas tank connecting pipe;

[0028] 201, biogas tank, 202, sprayer, 203, gas storage tank, 204, air compressor, 205, heavy-duty universal wheel, 206, frame, 207, sprayer connecting pipe, 208, traction welding body, 209, deep application component, 210, support component, 211, pneumatic three-way valve, 212, water separator and air filter;

[0029] 2091, operating cylinder, 2092, breaker, 2093, deep application rod body, 2094, deep application rod head, 2095, deep application grounding plate, 2096, adjusting cylinder, 2097, operating bracket;

[0030] 2101. Support plate. 2102. Support hydraulic cylinder. 2103. Cylinder fixing plate. DETAILED DESCRIPTION

[0031] The following are specific embodiments of the present invention, which further describe the technical solution of the present invention, but the protection scope of the present invention is not limited to these embodiments. Any changes or equivalent substitutions that do not deviate from the concept of the present invention are included in the protection scope of the present invention.

[0032] like Figure 1 , 2 As shown, an agricultural fertilization multi-row operation machine includes a power traction mechanism 1, and the power traction mechanism 1 is laterally connected to a plurality of groups of fertilization modules 2 through a traction connecting piece 5, and adjacent fertilization modules 2 are fixedly connected by a plurality of groups of module lap plates 3, and the front sides of adjacent fertilization modules 2 are also connected to telescopic sleeves 4, and the module lap plates 3 and the telescopic sleeves 4 laterally connect the plurality of groups of fertilization modules 2 in series into a whole.

[0033] In a preferred embodiment, several groups of fertilizer modules 2 can be detachably connected to the front or rear of the power traction mechanism 1 according to actual needs. When the fertilizer module 2 is connected to the front of the power traction mechanism 1, the power traction mechanism 1 pushes the fertilizer module 2 to perform multiple rows of synchronous fertilization operations; when the fertilizer module 2 is connected to the rear of the power traction mechanism 1, the power traction mechanism 1 pulls the fertilizer module 2 to perform multiple rows of synchronous fertilization operations. In addition, several groups of fertilizer modules 2 can also be symmetrically distributed in two rows and connected to the left and right sides of the power traction mechanism 1, so that multiple rows of synchronous fertilization can be achieved in one operation. In the embodiment of the present invention, the fertilizer module 2 is connected to the rear of the power traction mechanism 1 as an example for explanation.

[0034] In a preferred embodiment, the power traction mechanism 1 is an agricultural tractor, which drives a plurality of groups of fertilization modules 2 arranged laterally to move synchronously, performs multi-row synchronous fertilization operations, expands the operating area, and improves operating efficiency.

[0035] In a preferred embodiment, the biogas tanks 1 of adjacent fertilization modules 2 are detachably connected via a biogas tank connecting pipe 6 to maintain the liquid level balance in each biogas tank 1 . The biogas tank connecting pipe 6 is connected to the lower part of the side wall of the biogas tank 1 .

[0036] In a preferred embodiment, the fertilization modules 2 are an odd-numbered group, the power traction mechanism 1 is connected to the fertilization module 2 located in the middle through a traction connector 5, and the other fertilization modules 2 are symmetrically distributed on both sides of the middle fertilization module 2, so that the power traction mechanism 1 can pull each fertilization module 2 forward synchronously in a balanced manner.

[0037] like Figure 3 , 4 As shown, each group of fertilization modules 2 includes a frame 206, on which a biogas tank 1 is fixedly mounted, and the biogas tank 1 is used to store biogas slurry fertilizer, and a traction welding body 208 is mounted on the front side of the frame 206, and both ends of the traction welding body 208 are hollow tubular structures for plugging the telescopic sleeve 4, and a lug for fixed connection with the traction connecting member 5 is mounted in the middle of the traction welding body 208. One end of the traction connecting member 5 is detachably connected to the lug of the traction welding body 208 through a bolt structure, and the other end of the traction connecting member 5 is connected to the lug at the rear end of the power traction mechanism 1 through a bolt structure.

[0038] In order to improve the connection stability and running stability, at least two groups of module overlap plates 3 are provided between adjacent fertilization modules 2. Figure 2 There are two groups of module lap plates 3 shown in the figure, and both ends of each group of module lap plates 3 are fixedly connected to two adjacent groups of frames 206 respectively. Both ends of the frames 206 are respectively provided with a plurality of mounting holes, and both ends of the module lap plates 3 are respectively placed in the corresponding mounting holes, and the module lap plates 3 are detachably connected to the mounting holes of the frames 206 by bolts.

[0039] like Figure 5 As shown, two groups of deep application components 209 are symmetrically installed at the rear of the frame 206, and heavy-duty universal wheels 205 are symmetrically arranged at the bottom of the frame 206, which have strong steering force and more flexible steering. A gas storage tank 203 and an air compressor 204 are installed on the frame 206, and sprayers 202 are respectively installed on the frame 206 on both sides of the gas storage tank 203. The gas storage tank 203 is connected to the two groups of sprayers 202 through pipelines, and the compressed air provided by the air compressor 204 is stored in the gas storage tank 203. The gas storage tank 203 is for two groups of sprayers. The blaster 202 delivers compressed air, and the blaster 202 is connected to a pneumatic three-way valve 211. The blaster 202 is connected to one inlet of the pneumatic three-way valve 211, and the biogas tank 1 is connected to the other inlet of the pneumatic three-way valve 211 through a feed pipeline and a feed pump (the feed pipeline and the feed pump are not shown in the figure). The outlet of the pneumatic three-way valve 211 is connected to the corresponding deep application component 209 through a blasting connecting pipe 207. The pneumatic three-way valve 211 controls the switching of the blasting connecting pipe 207 to deliver compressed air or biogas slurry.

[0040] In a preferred embodiment, a plurality of groups of deep application components 209 can be arranged at a certain interval according to the working range at the rear of the frame 206. Accordingly, the number and position of the sprayers 202, the pneumatic three-way valves 211, and the spray connection pipes 207 correspond to the number and position of the deep application components 209.

[0041] In a preferred embodiment, a water separator and air filter 212 is connected between the sprayer 202 and the pneumatic three-way valve 211. The water separator and air filter 212 is used to filter water vapor, oil droplets and other impurities in the compressed air, provide pure and dry compressed air to protect the pneumatic three-way valve 211, and extend the service life of the pneumatic three-way valve 211.

[0042] like Figure 6 , 7As shown, the deep application operation component 209 includes an adjusting cylinder 2096 and an operation bracket 2097. The adjusting cylinder 2096 is fixedly installed at the rear of the frame 206. The output end of the adjusting cylinder 2096 is connected to the operation bracket 2097 to drive the operation bracket 2097 to move up and down. The operation bracket 2097 is fixedly installed with an operation cylinder 2091. The output end of the operation cylinder 2091 is connected to a breaker 2092. The lower end of the breaker 2092 is fixedly connected to a hollow deep application rod 2093. The upper end of the deep application rod 2093 is connected to the explosion connection pipe 207. The lower end of the deep application rod 2093 is installed with a deep application rod head 2094. The explosion connection pipe 207 transfers compressed air or biogas slurry to the deep application rod. It is transported to the deep application rod head 2094 through the deep application rod shaft 2093, and a deep application grounding plate 2095 is installed at the lower end of the working bracket 2097. A through hole is provided in the middle of the deep application grounding plate 2095 for the deep application rod head 2094 to pass through. The deep application grounding plate 2095 is used to provide positioning for the deep application rod head 2094. The working cylinder 2091 drives the breaker 2092, the deep application rod shaft 2093 and the deep application rod head 2094 to operate up and down on the working bracket 2097. The deep application rod shaft 2093 and the deep application rod head 2094 transport air and biogas slurry fertilizer to the soil. When encountering hard geology, the deep application rod shaft 2093 and the deep application rod head 2094 are driven by the breaker 2092 to vibrate at high frequency to loosen the hard soil.

[0043] like Figure 7 As shown, at least one group of support components 210 is fixedly installed on the front of the frame 206, and each group of support components 210 includes a support plate 2101, a support hydraulic cylinder 2102 and a cylinder fixing plate 2103. The cylinder fixing plate 2103 is fixedly installed on the frame 206, and the support hydraulic cylinder 2102 is fixedly installed on the cylinder fixing plate 2103. The support plate 2101 is fixedly connected to the lower end of the support hydraulic cylinder 2102. The support plate 2101 is used to contact the ground to keep the fertilization module 2 balanced and stable, so as to solve the problem of reaction force caused to the front of the frame 206 when the deep application operation component 209 is working.

[0044] In a preferred embodiment, the hydraulic oil port of each oil cylinder adopts the oil source provided by the power traction mechanism 1 (tractor).

[0045] The working method of the utility model agricultural fertilization multi-row operation machine comprises the steps of rapid disassembly and assembly of a power traction mechanism 1 and a fertilization module 2 and the step of fertilizing the fertilization module 2.

[0046] The steps for quick disassembly and assembly of the power traction mechanism 1 and the fertilization module 2 are as follows:

[0047] 1) Select a suitable odd-numbered group of fertilization modules 2 according to the width of the fertilized land, fasten one end of the traction connector 5 to the rear end of the power traction mechanism 1 with bolts, and fasten the other end of the traction connector 5 to the traction welding body 208 of the first group of fertilization modules 2 with bolts;

[0048] 2) The second group of fertilization modules 2 are placed side by side with the first group of fertilization modules 2, and the two ends of the telescopic sleeve 4 are respectively inserted into the hollow tubular ends adjacent to the traction welding bodies 208 on the second group of fertilization modules 2 and the first group of fertilization modules 2, and the two ends of the module lap plate 3 are respectively inserted into the corresponding mounting holes of the vehicle frames 206 on the second group of fertilization modules 2 and the first group of fertilization modules 2, and are fastened with bolts;

[0049] 3) Both ends of the biogas tank connecting pipe 6 are respectively connected and fixed to the biogas tanks 1 on the second group of fertilization modules 2 and the first group of fertilization modules 2;

[0050] 4) Similarly, all fertilization modules 2 are symmetrically arranged and installed on both sides of the first group of fertilization modules 2;

[0051] 5) When a group of fertilization modules 2 fails, the biogas tank connecting pipe 6, the module lap plate 3, and the telescopic sleeve 4 on both sides of the fertilization module 2 can be removed in sequence, and the group of fertilization modules 2 can be replaced.

[0052] The fertilization steps of fertilization module 2 are as follows:

[0053] 1) The power traction mechanism 1 drives the fertilization module 2 to the operation area, the air compressor 204 starts to replenish the compressed air for the air storage tank 203, and the air storage tank 203 puts a part of the compressed air into the sprayer 202;

[0054] 2) Adjust the action of the oil cylinder 2096 to lower the working support 2097 as a whole, and make the grounding plate 2095 contact the ground deeply;

[0055] 3) The supporting hydraulic cylinder 2102 moves, driving the supporting plate 2101 to move down until it contacts the ground;

[0056] 4) Start the breaker hammer 2092, which continuously strikes the deep application rod 2093, and at the same time starts the operating cylinder 2091, so that the deep application rod head 2094 and the lower part of the deep application rod 2093 are buried in the soil;

[0057] 5) The pneumatic three-way valve 211 is switched to a state where the sprayer 202 is connected to the sprayer connecting pipe 207, and the compressed gas in the sprayer 202 enters the deep application rod body 2093 and the deep application rod head 2094 through the sprayer connecting pipe 207, and the compressed air is injected into the deep soil, so that cracks are generated in the deep soil;

[0058] 6) The pneumatic three-way valve 211 switches the connecting pipeline, the passage between the sprayer 202 and the spraying connecting pipe 207 is closed, the passage between the biogas tank 1 and the spraying connecting pipe 207 is opened, and the feed pump is turned on. The feed pump pressurizes the biogas slurry fertilizer into the spraying connecting pipe 207, and the pneumatic three-way valve is switched to a state where the sprayer 202 and the spraying connecting pipe 207 are connected. The biogas slurry fertilizer in the spraying connecting pipe 207 is sprayed into the deep soil and cracks through the deep application rod body 2093 and the deep application rod head 2094 by compressed gas;

[0059] 7) Turn off the sprayer 202 and the feed pump;

[0060] 8) The operating cylinder 2091 is retracted, and the deep application rod body 2093 and the deep application rod head 2094 are pulled out of the soil;

[0061] 9) The oil cylinder 2096 is adjusted to lift the entire operation support 2097 off the ground, the supporting hydraulic oil cylinder 2102 drives the supporting plate 2101 to lift off the ground, and the power traction mechanism 1 drives the fertilization module 2 to the next fertilization operation position.

[0062] The present utility model is not limited to the above-mentioned implementation modes, and anyone should be aware of the structural changes made under the inspiration of the present utility model. Any technical solutions that are the same or similar to the present utility model fall within the protection scope of the present utility model.

[0063] The technology, shape and structure parts not described in detail in the present invention are all known technologies.

Claims

1. An agricultural fertilization multi-row machine, comprising a power traction mechanism, characterized in that: The power traction mechanism is laterally connected to a plurality of groups of fertilization modules through a traction connector, and adjacent fertilization modules are fixedly connected through a plurality of groups of module lap plates. The front sides of adjacent fertilization modules are also connected to telescopic sleeves, and the module lap plates and the telescopic sleeves laterally connect the plurality of groups of fertilization modules in series into a whole.

2. The agricultural fertilization multi-row machine according to claim 1, characterized in that: Each group of fertilization modules includes a frame, on which a biogas tank is fixedly installed, a traction welded body is installed on the front side of the frame, both ends of the traction welded body are hollow tubular structures for inserting telescopic sleeves, and a lug for fixed connection with the traction connecting piece is installed in the middle of the traction welded body.

3. The agricultural fertilization multi-row machine according to claim 1, characterized in that: The fertilization modules are arranged in an odd number, the power traction mechanism is connected to the fertilization module located in the middle through a traction connection piece, and the other fertilization modules are symmetrically distributed on both sides of the fertilization module in the middle.

4. The agricultural fertilization multi-row machine according to claim 2, characterized in that: There are at least two groups of module overlap plates between adjacent fertilization modules, and the two ends of each group of module overlap plates are respectively fixedly connected to the two adjacent groups of frames. The two ends of the frames are respectively provided with a plurality of mounting holes, and the two ends of the module overlap plates are respectively placed in the corresponding mounting holes, and the module overlap plates are detachably connected to the frames by bolts.

5. The agricultural fertilization multi-row machine according to claim 2, characterized in that: The biogas tanks of adjacent fertilization modules are detachably connected via biogas tank connecting pipes to maintain the liquid level balance in each biogas tank.

6. The agricultural fertilization multi-row machine according to claim 2, characterized in that: Two groups of deep application operation components are symmetrically installed on the rear part of the frame, heavy-duty universal wheels are symmetrically arranged on the bottom of the frame, a gas tank and an air compressor are installed on the frame, and sprayers are respectively installed on the frames on both sides of the gas tank. The gas tank is connected to the two groups of sprayers through pipelines respectively, and the compressed air provided by the air compressor is stored in the gas tank. The gas tank transports compressed air to the two groups of sprayers. The sprayers are connected to a pneumatic three-way valve, and the sprayers are connected to one inlet of the pneumatic three-way valve. The biogas tank is connected to the other inlet of the pneumatic three-way valve through a feeding pipeline and a feeding pump, and the outlet of the pneumatic three-way valve is connected to the corresponding deep application operation component through a spray connecting pipe. The pneumatic three-way valve controls the switching of the spray connecting pipe to transport compressed air or biogas liquid.

7. The agricultural fertilization multi-row machine according to claim 6, characterized in that: A water separator and air filter are connected between the sprayer and the pneumatic three-way valve to filter water vapor and oil droplets in the compressed air and protect the pneumatic three-way valve.

8. The agricultural fertilization multi-row machine according to claim 6, characterized in that: The deep application operation assembly includes an adjusting cylinder and an operation bracket. The adjusting cylinder is fixedly installed on the rear part of the frame. The output end of the adjusting cylinder is connected to the operation bracket to drive the operation bracket to move up and down. The operation bracket is fixedly installed with an operation cylinder. The output end of the operation cylinder is connected to a breaker. The lower end of the breaker is fixedly connected to a hollow deep application rod body. The upper end of the deep application rod body is connected to an explosion-proof connecting pipe. A deep application rod head is installed at the lower end of the deep application rod body. The explosion-proof connecting pipe transports compressed air or biogas slurry to the deep application rod head through the deep application rod body. A deep application grounding plate is installed at the lower end of the operation bracket. A through hole is provided in the middle part of the deep application grounding plate for the deep application rod head to pass through. The deep application grounding plate is used to provide positioning for the deep application rod head. The operation cylinder drives the breaker, the deep application rod body and the deep application rod head to operate up and down on the operation bracket.

9. The agricultural fertilization multi-row machine according to claim 2, characterized in that: At least one group of support components is fixedly installed on the front part of the frame, and each group of support components includes a support plate, a support hydraulic cylinder and a cylinder fixing plate. The cylinder fixing plate is fixedly installed on the frame, and the support hydraulic cylinder is fixedly installed on the cylinder fixing plate. The support plate is fixedly connected to the lower end of the support hydraulic cylinder. The support plate is used to contact the ground to keep the fertilization module balanced and stable.

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