CN220915695U - Self-balancing intertillage fertilizer injection unit - Google Patents

Abstract

The utility model provides a self-balancing intertillage fertilizer injection unit, which belongs to the technical field of agricultural machinery and comprises a support frame body, a weeding and fertilizer injection mechanism, a self-balancing mechanism and a traction machine, wherein the weeding and fertilizer injection mechanism is arranged on the support frame body and is used for soil scarification, weeding and fertilizer injection and the self-balancing mechanism is used for balancing the support frame body; the self-balancing mechanism comprises a first main shaft, a second main shaft and a pair of rebound members, the self-balancing mechanism is arranged at the front end of the weeding mechanism, the self-balancing mechanism rotates around the second main shaft through the first main shaft, and the rebound members can be stretched and shortened under the action of elasticity, so that the weeding mechanism and the fertilizing mechanism can continuously weed and fertilize the low-lying part in the soil, and meanwhile, the rebound members can be reset elastically, so that the weeding depth of the weeding mechanism can be kept at the same depth, and weeds of the plant running members can be conveniently removed.

Description

Self-balancing intertillage fertilizer injection unit

Technical Field

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a self-balancing intertillage fertilizer apparatus.

Background

The intertillage refers to shallow layer turnover and loosening of the surface layer soil. Is the surface soil cultivation between plant rows in the crop growth period. Can be used as tools such as hand hoe, cultivator plow, toothed harrow and various cultivator. The cultivation can loosen surface soil, increase the air permeability of soil, increase the ground temperature, promote the activity of aerobics microorganism and the effective utilization of nutrient, remove weeds, promote the extension of root system and regulate the water condition of soil.

The existing intertillage device is mostly used for achieving the purposes of loosening soil and removing weeds, and then fertilizing the loosened soil, generally, a tractor is used for traction of weeding and fertilizing components to walk among crop plants, a weeding mechanism is provided with a coulter, the coulter can extend into the soil among the crop plants, and weeding and fertilizing are carried out on the soil among the crop plants. However, in the weeding and fertilizing process, as the land is not flat, a depression or a pit exists in the land, in the walking process of the weeding and fertilizing component pulled by the tractor, when the depression depth is shallow, one side wheel of the tractor can travel into the depression, the other side wheel of the tractor travels on the land on the normal level, a suspension exists in the tractor, the body of the tractor is inclined less, the weeding and fertilizing component at the rear is hard connected with the tractor, so that the weeding and fertilizing component cannot incline or incline to a smaller extent, still moves horizontally, the coulter at one side of the weeding and fertilizing component can be pulled out from the soil on the depression, normal weeding and fertilizing work cannot be performed, when the depression depth is deeper, one side wheel of the tractor can travel into the depression, the other side wheel of the tractor travels on the land on the normal level, the body of the tractor can incline, the weeding and fertilizing component can incline, the coulter at one side of the weeding and fertilizing component can be pulled out from the soil far away from the depression, normal weeding and fertilizing work cannot be performed, and even, and the coulter at one side of the suspension can incline.

Disclosure of utility model

Based on the above, the utility model provides a self-balancing intertillage fertilizer apparatus, which solves the technical problems that in the prior art, a tractor is rigidly connected with a weeding fertilizer member, and when the tractor drives into a low-lying place of the land, a coulter on one side of the weeding fertilizer member can be pulled out of the soil, so that normal weeding fertilizer operation cannot be performed.

The technical scheme for solving the technical problems is as follows:

The self-balancing intertillage fertilizer injection unit comprises a support frame body, a weeding and fertilizing mechanism, a self-balancing mechanism and a traction machine, wherein the weeding and fertilizing mechanism is arranged on the support frame body and is used for soil scarification, weeding and fertilizing after scarification, and the self-balancing mechanism is used for keeping the support frame body balanced; the self-balancing mechanism comprises a first main shaft, a second main shaft and a pair of rebound pieces, wherein one end of the first main shaft is connected with the support frame body, the other end of the first main shaft is sleeved with the second main shaft, the first main shaft can rotate around the axis of the second main shaft, the second main shaft is hinged with the tractor, the tractor is used for driving the support frame body to move, one end of each rebound piece is hinged with the support frame body, the other end of each rebound piece is hinged with the second main shaft, and the rebound pieces are symmetrically arranged on two sides of the first main shaft.

Preferably, the rebound member comprises an extension plate and an extension spring, one end of the extension plate is fixedly connected with the support frame, one end of the extension spring is hinged with the extension plate, the other end of the extension spring is hinged with the second main shaft, and when the second main shaft rotates around the axis of the first main shaft, the extension spring can be lengthened or contracted.

Preferably, the second spindle comprises a second rotating shaft and a movable rod, the second rotating shaft is sleeved on the first spindle, one end of the movable rod is rotatably connected with the second rotating shaft, and the other end of the movable rod is rotatably connected with the tractor.

Preferably, the weeding and fertilizing mechanism comprises a curved coulter, a fertilizing box body, a conveying pipe and a curved fertilizing piece, wherein the curved coulter is arranged on the supporting frame body, the curved coulter is vertically arranged, the fertilizing box body is arranged above the supporting frame body, one end of the conveying pipe is communicated with the fertilizing box body, the other end of the conveying pipe is communicated with the curved fertilizing piece, the curved fertilizing piece is vertically arranged, and the curved fertilizing piece and the curved coulter are mutually attached.

The curved coulter comprises a crank and an arc-shaped cutter head, wherein the crank is vertically arranged, one end of the crank is connected with the supporting frame body, the other end of the crank is connected with the arc-shaped cutter head, and the arc-shaped cutter head is used for dredging soil and cutting grass roots.

Preferably, the arcuate cutter head comprises an arcuate plug, a first cutting wing and a second cutting wing, the arcuate plug is arranged at the front end of the crank, one ends of the first cutting wing and the second cutting wing are connected with the arcuate plug, and the first cutting wing and the second cutting wing are arranged at two sides of the arcuate plug and are symmetrically arranged along the arcuate plug.

Preferably, the crank is further provided with an adjusting sleeve, the adjusting sleeve is arranged on the supporting frame body, the crank is sleeved in the adjusting sleeve, and the crank can vertically move up and down along the adjusting sleeve.

Preferably, the curved fertilization piece comprises a curved fertilization pipe and a diversion curved plate, the curved fertilization pipe is mutually attached to the crank, the lower end face of the curved fertilization pipe is flush with the lower end face of the crank, the diversion curved plate is attached to the outer wall of the curved fertilization pipe, the diversion curved plate is located at the lower end of the curved fertilization pipe, and the diversion curved plate is bent towards one side close to the curved fertilization pipe and used for dredging soil.

Preferably, the guiding curved plate comprises a front curved plate and a return curved plate, the front curved plate is attached to the outer wall of the arched fertilization tube, the front curved plate is located at the lower end of the arched fertilization tube, the return curved plate is arranged at two sides of the front curved plate, and the return curved plate is bent towards one side close to the arched fertilization tube.

Preferably, the guiding curved plate further comprises a soil guiding curved plate, the soil guiding curved plate is located above the soil returning curved plate, one end of the soil guiding curved plate is connected with the front edge curved plate, and the other end of the soil guiding curved plate is bent towards one side close to the soil returning curved plate.

Compared with the prior art, the utility model has at least the following advantages:

Through support body and weeding fertilization mechanism front end setting self-balancing mechanism, through first main shaft round the second main shaft rotates, and under the elasticity stretching of resilience piece shortens the effect, makes support body keeps balanced, can make weeding fertilization mechanism can continue weeding and fertilization to the low-lying department in the soil, simultaneously, the elasticity of resilience piece resets, makes support body keeps balanced, and then makes weeding fertilization mechanism's weeding degree of depth and fertilization degree of depth keep at same degree of depth, is convenient for clear away the weeds of plant line spare, and does not fish tail seedling root system, and fertilization degree of depth keeps at same degree of depth simultaneously, is convenient for seedling root system to absorb fertilizer.

Drawings

Fig. 1 is an isometric view of a self-balancing intertillage fertilizer apparatus.

Fig. 2 is another isometric view of a self-balancing intertillage fertilizer apparatus.

Fig. 3 is a top view of the self-balancing intertillage fertilizer apparatus.

Fig. 4 is a front view of the self-balancing intertillage fertilizer apparatus.

Fig. 5 is an isometric view of a self-balancing intertillage fertilizer applicator (without a tractor).

FIG. 6 is an isometric view of a curved coulter and curved fertilization member.

In the figure: the weeding and fertilizing machine comprises a supporting frame body 10, a weeding and fertilizing mechanism 20, a fertilizing box 210, a conveying pipe 220, a curved fertilizing piece 230, a curved fertilizing pipe 231, a fixing plate 2311, a guiding curved plate 232, a front-edge curved plate 2321, a soil returning curved plate 2322, a soil guiding curved plate 2323, a curved coulter 240, a crank 241, an arched cutter head 242, an arched plug 2421, a first cutting wing 2422, a second cutting wing 2423, an adjusting sleeve 243, a self-balancing mechanism 30, a first main shaft 310, a second main shaft 320, a second rotating shaft 321, a movable rod 322, a rebound piece 330, an extending plate 331, an extending spring 332 and a tractor 40.

Description of the embodiments

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The technical solution of the present utility model will be further described below with reference to the accompanying drawings of the embodiments of the present utility model, and the present utility model is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., that indicate an azimuth or a positional relationship based on the directions or the positional relationships shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limitations of the present patent, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1, a self-balancing intertillage fertilizer apparatus includes a support frame 10, a weeding and fertilizing mechanism 20, a self-balancing mechanism 30 and a tractor 40, wherein the weeding and fertilizing mechanism 20 is arranged on the support frame 10, the weeding and fertilizing mechanism 20 is used for soil scarifying and weeding and fertilizing the scarified soil, and the self-balancing mechanism 30 is used for keeping the support frame 10 balanced; the self-balancing mechanism 30 includes a first main shaft 310, a second main shaft 320, and a pair of resilient members 330, one end of the first main shaft 310 is connected to the supporting frame 10, the other end of the first main shaft 310 is sleeved with the second main shaft 320, the first main shaft 310 can rotate around the axis of the second main shaft 320, the second main shaft 320 is hinged to the tractor 40, the tractor 40 is used for driving the supporting frame 10 to move, one end of each resilient member 330 is hinged to the supporting frame 10, the other end is hinged to the second main shaft 320, and the pair of resilient members 330 are symmetrically arranged on two sides of the first main shaft 310.

The working principle and the effect are as follows; after the tractor 40 moves, the first main shaft 310 is driven to move, the second main shaft 320 is sleeved on the first main shaft 310, and drives the supporting frame 10 to move, and the supporting frame 10 drives the weeding and fertilizing mechanism 20 to move; in the first state, the wheels at one side of the tractor 40 drive into a shallow low-lying place, the weeding and fertilizing mechanism 20 at one side close to the low-lying place cannot go deep into soil for weeding, a worker presses down the supporting frame body 10 at one side which cannot weed, or after the supporting frame body 10 moves for a certain distance, the first main shaft 310 is sleeved on the second main shaft 320, under the action of gravity, the supporting frame body 10 drives the first main shaft 310 to rotate around the axis of the second main shaft 320, so that the weeding and fertilizing mechanism 20 can go deep into the soil at the low-lying place, the rebound member 330 can be stretched or contracted freely and elastically, as one end of the rebound member 330 is connected with the supporting frame body 10, the other end of the rebound member 330 is connected with the second main shaft 320, the second main shaft 320 does not move, and the supporting frame body 10 rotates downwards around the second main shaft 320, so that the rebound member 330 at one side close to the low-lying place is stretched and lengthened, and the rebound member 330 at the other side far away from the low-lying place can be compressed, so that the weeding and fertilizing mechanism 20 can go deep into the soil at the low-lying place; in the second state, when the supporting frame body 10 is driven by the tractor 40 to leave the low-lying area, the land is flattened from the low-lying area, the tractor 40 drives the supporting frame body 10 to be in a horizontal state, at this time, the resilient members 330 are elastically restored, and the resilient members 330 on both sides are in the same stretching length, so that the plowing depth and the fertilizing depth of the weeding and fertilizing mechanism 20 can be kept at the same depth. Through support body 10 front end sets up self-balancing mechanism 30, through first main shaft 310 round second main shaft 320 rotates, and rebound piece 330's elasticity is stretched under the action of shortening, can drive support body 10 rotates, and can keep balanced state, and then drives weeding fertilization mechanism 20 can continue weeding and fertilization to the low-lying department in the soil, simultaneously, rebound piece 330's elasticity resets, makes support body 10 keeps balanced, and then makes weeding depth and the fertilization degree of depth of weeding fertilization mechanism 20 keep at same degree of depth, is convenient for clear away the weeds of plant line spare, and does not fish tail seedling root system, and fertilization degree of depth keeps at same degree of depth simultaneously, is convenient for seedling root system absorbs fertilizer.

As further described, the resilient member 330 includes an extension plate 331 and an extension spring 332, one end of the extension plate 331 is fixedly connected to the support frame 10, one end of the extension spring 332 is hinged to the extension plate 331, the other end of the extension spring 332 is hinged to the second spindle 320, and the extension spring 332 can be stretched or contracted when the second spindle 320 rotates around the axis of the first spindle 310. Through setting up extension board 331 avoids using length overlength extension spring 332, simultaneously, if extension spring 332 overlength, the spring shrink can press from both sides and hinder human finger, also can avoid the spring to produce elastic deformation, through extension spring 332's extension or shorten reaches to keep support frame body 10 is balanced state.

Specifically, the extension spring 332 is obliquely disposed, so that the extension spring 332 is conveniently extended or spring-reset when the first spindle 310 and the second spindle 320 relatively rotate.

Still further, the second spindle 320 includes a second rotating shaft 321 and a movable rod 322, the second rotating shaft 321 is sleeved on the first spindle 310, one end of the movable rod 322 is rotatably connected with the second rotating shaft 321, and the other end is rotatably connected with the tractor 40. By arranging the movable rod 322, the tractor 40 is conveniently connected with the movable rod 322, and the movable rod 322 is rotatably connected with the tractor 40, so that the self-balancing mechanism 30 can be given buffer time, and the self-balancing mechanism 30 is prevented from being damaged.

Further preferably, the weeding and fertilizing mechanism 20 comprises a curved coulter, a fertilizing box body, a conveying pipe and a curved fertilizing piece, wherein the curved coulter is arranged on the supporting frame body 10, the curved coulter is vertically arranged, the fertilizing box body is arranged above the supporting frame body 10, one end of the conveying pipe is communicated with the fertilizing box body, the other end of the conveying pipe is communicated with the curved fertilizing piece, the curved fertilizing piece is vertically arranged, and the curved fertilizing piece and the curved coulter are mutually attached.

Further preferably, the curved coulter 240 includes a crank 241 and an arcuate cutter 242, the crank 241 is vertically disposed, one end of the crank 241 is connected to the supporting frame 10, the other end is connected to the arcuate cutter 242, and the arcuate cutter 242 is used for dredging soil and cutting grass roots.

Working principle: moving the support frame body 10 to a distance between seedling lines, inserting the curved coulter 240 into soil to a depth near the root line of the seedling lines, moving the support frame body 10 to drive the curved coulter 240 to move, wherein the curved coulter 242 can loosen the soil, simultaneously, the curved coulter 242 can cut root systems of weeds between the seedling lines in the moving process and carry the weeds out of the soil through a crank 241, during the soil loosening process of the curved coulter 242, one part of the soil can be discharged from two sides of the curved coulter 242 and then falls behind the curved coulter 242, the other part of the soil can enter from the upper end face of the curved coulter 242 and fall behind the curved coulter 242 in a parabolic manner, the soil discharged from two sides of the curved coulter 242 can be at two sides of the guiding curved coulter 232, the guiding curved coulter 232 is bent towards one side close to the curved fertilizing tube 231, soil is not pushed to two sides of the guide curved plate 232, is continuously discharged from two sides of the guide curved plate 232 and moves along the guide curved plate 232, the soil is guided to be discharged to the rear of the guide curved plate 232, two sides of the soil are backfilled, the soil discharged from the upper end face of the arched cutter head 242 falls back on the curved surface of the guide curved plate 232, the soil continuously falls to the rear of the guide curved plate 232 in a parabolic form, the lower end face of the curved fertilization tube 231 is leveled with the lower end face of the crank 241 due to the action of the guide curved plate 232, fertilizer is conveyed into the curved fertilization tube 231 from the fertilization box 210 through the conveying tube 220, the fertilizer falling from the lower end of the curved fertilization tube 231 falls near the root system of a seedling, soil discharged from both sides of the guide curved plate 232 and soil falling down in a parabolic manner above the guide curved plate will backfill fertilizer. The effect is achieved: through weeding and fertilizing mechanism 20, at the in-process of weeding soil, fertilize simultaneously, after fertilizing soil, fertilizer dredges soil through the water conservancy diversion bent plate 232, backfills again, buries fertilizer, avoids fertilizer to expose on the soil surface, and fertilizer also is comparatively accurate to spill near seedling root system, and the seedling can better absorb the nutrient in the fertilizer, and the nutrient in the fertilizer is difficult for losing.

Still further, the arcuate cutter head 242 comprises an arcuate plug 2421, a first cutting blade 2422 and a second cutting blade 2423, wherein the arcuate plug 2421 is disposed at the front end of the crank 241, one ends of the first cutting blade 2422 and the second cutting blade 2423 are connected with the arcuate plug 2421, and the first cutting blade 2422 and the second cutting blade 2423 are disposed at two sides of the arcuate plug 2421 and are symmetrically disposed along the arcuate plug 2421. The arcuate plug 2421 is convenient to be inserted into soil, two sides of the first cutting wings 2422 and the second cutting wings 2423 can cut root systems of weeds in the soil, and meanwhile, by the dredging action of the first cutting wings 2422 and the second cutting wings 2423, a part of soil can be discharged from the side surfaces of the first cutting wings 2422 and the second cutting wings 2423, and another part of soil can be discharged from the upper end surface of the arcuate plug 2421 and gaps between the arcuate plug 2421 and the two cutting wings.

Still further, an adjusting sleeve 243 is further disposed on the crank 241, the adjusting sleeve 243 is disposed on the supporting frame 10, the crank 241 is sleeved in the adjusting sleeve 243, and the crank 241 can vertically move up and down along the adjusting sleeve 243. According to the depth of the seedling root system, the height of the crank 241 along the vertical direction is adjusted by adjusting the sleeve 243, so that the soil penetration depth of the curved coulter 240 can be changed, weeds between the plant rows can be conveniently removed, the soil can be conveniently loosened to the position near the seedling root system, and fertilizer can be conveniently scattered to the position near the seedling root system.

Further, the curved fertilizing member 230 includes a curved fertilizing tube 231 and a guiding curved plate 232, the curved fertilizing tube 231 is mutually attached to the crank 241, the lower end face of the curved fertilizing tube 231 is flush with the lower end face of the crank 241, the guiding curved plate 232 is attached to the outer wall of the curved fertilizing tube 231, the guiding curved plate 232 is located at the lower end of the curved fertilizing tube 231, and the guiding curved plate 232 is bent towards one side close to the curved fertilizing tube 231 for dredging soil.

Still further, the guiding curved plate 232 includes a front curved plate 2321 and a soil returning curved plate 2322, the front curved plate 2321 is attached to the outer wall of the arcuate fertilizing tube, the front curved plate 2321 is located at the lower end of the arcuate fertilizing tube, the soil returning curved plate 2322 is disposed at two sides of the front curved plate 2321, and the soil returning curved plate 2322 is curved towards one side close to the arcuate fertilizing tube. The soil discharged from two sides of the curved coulter 240 is discharged to the front edge curved plate 2321 and the return soil curved plate 2322, then the soil is discharged along the return soil curved plate 2322 again through the return soil curved plate 2322, the return soil curved plate 2322 bends towards one side close to the arched fertilization pipes, the discharged soil is not directly extruded to two sides of the return soil curved plate 2322, but is led to the rear through the return soil curved plate 2322, a large amount of soil is not present below the arched fertilization pipes in the soil leading process, the lower ends of the arched fertilization pipes can smoothly fall out of fertilizer and fall to the vicinity of root plants of seedlings, and the fertilizer can not be pushed to the upper surface along with the discharged soil, and after the fertilizer falls, the fertilizer can be buried by the soil backfilled from two sides of the return soil curved plate 2322, so that the fertilizer can be not only buried in the weeding process, but also can be accurately buried by the fertilizer, and meanwhile, the root system can be absorbed by the seedling plants in the vicinity of the seedling plants.

Still further, the guiding curved plate 232 further includes a soil guiding curved plate 2323, the soil guiding curved plate 2323 is located above the soil returning curved plate 2322, one end of the soil guiding curved plate 2323 is connected with the leading edge curved plate 2321, and the other end is bent towards a side close to the soil returning curved plate 2322. Soil discharged from the upper end surface of the curved coulter 240 falls onto the soil guiding plate 2323 in a parabolic manner, continues to move along the upper end surface of the soil guiding plate 2323 as the soil guiding plate 2323 moves forward, and then is discharged from the soil guiding plate 2323 in a parabolic manner, falls onto fertilizer falling from the arcuate fertilizing tube, and buries the fertilizer again.

Specifically, the curved fertilizing tube 231 is further provided with a fixing plate 2311, the side wall of the fixing plate 2311 is attached to the crank 241, and the lower end of the fixing plate 2311 is connected with the outer wall of the curved fertilizing tube 231. The fixing plate 2311 serves to fix the crank 241, prevent the curved fertilizer pipe 231 from swinging, and provide the curved fertilizer pipe 231 with a stable falling fertilizer.

In order to further, the curved coulter 120 is provided with N, where N is greater than or equal to 1, and N curved coulters 120 are sequentially arranged along the supporting frame. Is convenient for simultaneously carrying out the scarification and weeding on the soil with multiple rows.

Further, the number of the curved fertilizing elements 230 is M, and M is more than or equal to 1. Is convenient for simultaneously fertilizing a plurality of rows of seedlings.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The self-balancing intertillage fertilizer injection unit is characterized by comprising a support frame body, a weeding and fertilizing mechanism, a self-balancing mechanism and a tractor, wherein the weeding and fertilizing mechanism is arranged on the support frame body and is used for soil scarification, weeding and fertilizing after scarification, and the self-balancing mechanism is used for keeping the support frame body balanced; the self-balancing mechanism comprises a first main shaft, a second main shaft and a pair of rebound pieces, wherein one end of the first main shaft is connected with the support frame body, the other end of the first main shaft is sleeved with the second main shaft, the first main shaft can rotate around the axis of the second main shaft, the second main shaft is hinged with the tractor, the tractor is used for driving the support frame body to move, one end of each rebound piece is hinged with the support frame body, the other end of each rebound piece is hinged with the second main shaft, and the rebound pieces are symmetrically arranged on two sides of the first main shaft.

2. The self-balancing intertillage fertilizer apparatus of claim 1, wherein the resilient member comprises an extension plate and an extension spring, wherein one end of the extension plate is fixedly connected with the support frame, one end of the extension spring is hinged with the extension plate, the other end of the extension spring is hinged with the second spindle, and the extension spring can be lengthened or contracted when the second spindle rotates around the axis of the first spindle.

3. The self-balancing intertillage fertilizer injection unit of claim 2, wherein the second spindle comprises a second rotating shaft and a movable rod, the second rotating shaft is sleeved on the first spindle, one end of the movable rod is rotatably connected with the second rotating shaft, and the other end of the movable rod is rotatably connected with the tractor.

4. The self-balancing intertillage fertilizer injection unit of claim 1, wherein the weeding and fertilizing mechanism comprises a curved coulter, a fertilizing box body, a conveying pipe and a curved fertilizing piece, wherein the curved coulter is arranged on the supporting frame body, the curved coulter is vertically arranged, the fertilizing box body is arranged above the supporting frame body, one end of the conveying pipe is communicated with the fertilizing box body, the other end of the conveying pipe is communicated with the curved fertilizing piece, the curved fertilizing piece is vertically arranged, and the curved fertilizing piece and the curved coulter are mutually attached.

5. The self-balancing intertillage fertilizer apparatus of claim 4, wherein the curved coulter comprises a crank and an arcuate cutter head, the crank is vertically disposed, one end of the crank is connected with the supporting frame body, the other end is connected with the arcuate cutter head, and the arcuate cutter head is used for dredging soil and cutting grass roots.

6. The self-balancing intertillage fertilizer apparatus of claim 5, wherein the crank is further provided with an adjusting sleeve, the adjusting sleeve is arranged on the supporting frame body, the crank is sleeved in the adjusting sleeve, and the crank can vertically move up and down along the adjusting sleeve.

7. The self-balancing intertillage fertilizer apparatus of claim 6, wherein the curved fertilizer application member comprises a curved fertilizer application pipe and a diversion curved plate, the curved fertilizer application pipe is mutually attached to the crank, the lower end surface of the curved fertilizer application pipe is flush with the lower end surface of the crank, the diversion curved plate is attached to the outer wall of the curved fertilizer application pipe, and the diversion curved plate is positioned at the lower end of the curved fertilizer application pipe, and the diversion curved plate is curved towards one side close to the curved fertilizer application pipe for dredging soil.