Heavy soil seedbed soil fine crushing, fertilizer mixing and furrow application tillage equipment

Abstract

The invention discloses heavy soil seedbed soil fine crushing, fertilizer mixing and strip applying cultivation equipment which comprises a main body assembly and a rack, and a middle transmission box is fixed to the rack; the smashing assembly comprises smashing shells fixed to the inner sides of the left end and the right end of the rack, the upward ends of the smashing shells are provided with smashing cavities, the smashing shells are rotationally connected with center shafts, middle transmission boxes are in transmission connection with the center shafts, and the left end and the right end of the center shafts in the smashing shells are connected with transmission plates. A crushing shaft deviating from the center of the central shaft is connected between the two transmission plates, a plurality of fixed crushing cutters are distributed on the crushing shell on the lower side of the crushing cavity, a movable crushing cutter is connected to the crushing shaft between every two adjacent fixed crushing cutters, and a discharge port is formed in the lower end of the rear part of the crushing shell; the fertilizing assembly comprises a fertilizing box fixed on the rack, a plurality of fertilizer apparatuses are arranged on the lower side of the fertilizing box, and the lower ends of the fertilizer apparatuses are connected with soft fertilizer pipes; soil blocks subjected to rotary tillage can be further crushed and discharged into a field, so that the subsequent planting quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural planting, in particular to equipment for finely crushing and mixing fertilizer in seedling beds of heavy clay soil and applying it in strips. Background Art

[0002] Soil cultivation is the first step in field farming. Heavy clay soil has strong cohesiveness and large soil aggregates, so soil clods are not easy to break apart during cultivation. Most existing rotary tillage machines use single-axis one-time rotary tillage. When cultivating heavy clay soil, the single-axis rotary tillage does not crush the soil enough, resulting in large clods in the cultivated layer. This will have a negative impact on subsequent leveling or sowing operations. For example, when leveling, the large clods in the cultivated layer cannot be pressed down and leveled by the pressing wheel, resulting in low leveling. Summary of the invention

[0003] The technical problem to be solved by the present invention is that after rotary tillage of heavy clay soil using the rotary tillage machinery in the prior art, the tillage layer has large soil clods, resulting in low quality of agricultural machinery planting operations.

[0004] In order to solve the above technical problems, the present invention provides heavy clay soil seedbed soil fine crushing and fertilizer mixing strip tillage equipment, which can further crush the soil blocks after rotary tillage and discharge them into the field to improve the subsequent planting quality.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a heavy soil seedling bed soil fine crushing mixed fertilizer strip application farming equipment, comprising: The main body assembly includes a frame, a suspension bracket is fixed to the front end of the frame, and an intermediate transmission box is fixedly connected to the frame; The crushing assembly comprises a crushing shell fixedly connected to the inner sides of the left and right ends of the frame, the upward end of the crushing shell has a crushing chamber, the crushing shell is rotatably connected with a central shaft, the output end of the intermediate transmission box is transmission-connected with the central shaft, the left and right ends of the central shaft in the crushing shell are connected with transmission plates, a crushing shaft arranged offset from the center of the central shaft is connected between the two transmission plates, a plurality of crushing fixed knives are arranged on the crushing shell at the lower side of the crushing chamber, a crushing moving knife is connected to the crushing shaft between two adjacent crushing fixed knives in the axial direction, the crushing moving knife can be extended into the crushing gap between the corresponding two adjacent crushing moving knives, and a discharge port is opened at the lower end of the rear part of the crushing shell; The fertilization component comprises a fertilization box fixedly connected to the upper end of the frame, a plurality of fertilizer dischargers are arranged at the lower side of the fertilization box, a soft fertilizer discharge pipe is connected to the lower end of the fertilizer discharge pipe, and the lower end of the fertilizer discharge pipe is in the crushing chamber.

[0006] The front end of the intermediate transmission box is connected to a power input shaft, and the front walking device provides rotational power to the power input shaft. The intermediate transmission box and the power transmission mentioned above are all existing technologies; the soil blocks after preliminary rotary tillage enter the crushing shell, the central shaft rotates, the fertilizer discharger operates, the central shaft drives the transmission plate to rotate, the transmission plate drives the crushing movable knife to rotate, the crushing movable knife and the crushing fixed knife crush the soil blocks, and the fertilizer discharge pipe discharges the fertilizer into the crushing shell, the crushed soil is discharged from the crushing shell through the discharge port, and the crushed soil and fertilizer are mixed together and discharged onto the field.

[0007] As a preferred solution of the equipment for finely crushing and mixing fertilizer strip application in heavy clay seedbed soil in the present invention, the front part of the frame is rotatably connected to a rotary tillage shaft, a plurality of rotary tillage blades are arranged on the rotary tillage shaft, and the front end of the crushing shell extends toward the direction of the crushing shaft, and the soil thrown backwards when the rotary tillage blade rotates can enter the crushing chamber.

[0008] As a preferred solution of the equipment for finely crushing and mixing fertilizer strip application in heavy clay seedling bed soil in the present invention, the crushing component also includes a plurality of material limiting units, the material limiting units include two material limiting plates spaced apart in the left and right directions, a rotating disk is rotatably connected to the material limiting plate, a connecting hole is provided in the center of the rotating disk, the rotating disk is just connected to the central axis through the connecting hole, a rotating trough is provided on the rotating disk for the corresponding central axis and the crushing moving knife to pass through, a plurality of fertilizer dischargers are respectively arranged on the lower side of the fertilizer box on the left and right sides of the middle transmission box, and the fertilizer discharge pipe is between the two material limiting plates of the corresponding material limiting unit.

[0009] As a preferred solution of the equipment for finely crushing and mixing fertilizer in seedling beds of heavy clay soil in the present invention, the left and right ends of the intermediate transmission box are respectively connected to the first upper transmission shaft, the left and right ends of the frame are respectively fixedly connected to the first side transmission box, the end of the first upper transmission shaft away from the intermediate transmission box is connected to the input end of the first side transmission box, the lower end of the first side transmission box is connected to the first output shaft, and the first output shaft is connected to the rotary tiller shaft.

[0010] As a preferred solution of the equipment for finely crushing and mixing fertilizer in seedling beds of heavy clay soil in the present invention, the upper end of the frame is also fixedly connected to an upper transmission box, the input end of the upper transmission box is transmission-connected to a transmission shaft, the output end of the upper transmission box is connected to a second upper transmission shaft, a second side transmission box is fixedly connected to the frame behind the first side transmission box, the input end of the second side transmission box is connected to the second upper transmission shaft, the lower end of the second side transmission box is connected to a second output shaft, and the second output shaft is connected to the center shaft.

[0011] As a preferred solution of the heavy clay seedbed soil fine crushing and fertilizer strip application tillage equipment in the present invention, the distance between adjacent groups of limiting material units is adjustable.

[0012] As a preferred solution of the equipment for fine crushing and mixing fertilizer strip application in heavy clay seedling bed in the present invention, the crushing component also includes a discharge position adjustment module, and the discharge position adjustment module includes a linear drive, and the linear drive is fixedly connected to the rear side of the upper part of the crushing shell; a plurality of material limiting baffles corresponding to the material limiting units and sliding along the outer wall of the crushing shell are arranged on the crushing shell; a sliding groove is provided on the crushing shell; one end of the material limiting baffle extends into the crushing shell through the sliding groove and is fixedly connected to the corresponding two material limiting plates; a telescopic rod capable of reciprocating linear motion in the left and right directions is connected to the linear drive; when the telescopic rod moves, the telescopic rod drives each material limiting baffle to move, and a plurality of material limiting baffles gradually approach or move away at the same time.

[0013] As a preferred solution of the heavy clay soil seedling bed fine crushing and fertilizer strip application tillage equipment in the present invention, wherein: the leftmost material limiting baffle is hinged with a first left connecting rod and a second left connecting rod, the rightmost material limiting baffle is hinged with a first right connecting rod and a second right connecting rod, and a plurality of groups of follower units hinged together from left to right are arranged between the leftmost material limiting baffle and the rightmost material limiting baffle, and the follower units include a first follower rod and a second follower rod cross-arranged and hinged together, and in two adjacent groups of follower units, the first follower rod at the left end is hinged to the second follower rod on the right, and the second follower rod at the left end is hinged to the first follower rod on the right, and the first left One end of the connecting rod facing the linear drive is hinged to the left end of the first follower rod at the leftmost end, the second left connecting rod is hinged to the left end of the second follower rod at the leftmost end, the first right connecting rod is hinged to the right end of the first follower rod at the rightmost end, and the second right connecting rod is hinged to the right end of the second follower rod at the rightmost end. A support column is fixedly connected to the linear drive, one end of the first follower rod and the second follower rod in a group of follower units are cross-hinged together and hinged to the support column, and one end of the telescopic rod away from the linear drive is hinged to the first right connecting rod and the second right connecting rod which are hinged together.

[0014] As a preferred solution of the strip-applying tillage equipment for fine crushing and mixing fertilizer in heavy clay seedling bed in the present invention, wherein: an extension portion extending in the direction of the crushing fixed knife is fixed to the front side of the limiting plate, and the extension portion can drive the corresponding fertilizer discharge pipe to move in the left and right directions; in this design, the fertilizer discharge position is first adjusted according to the working row spacing, and the linear driver is controlled to move, so that the telescopic rod makes reciprocating linear motion in the left and right directions, and the telescopic rod drives the first right connecting rod and the second right connecting rod to swing, and the first right connecting rod and the second right connecting rod drive the first left connecting rod and the second left connecting rod to swing via a plurality of follow-up units, when the telescopic rod is extended to the right, the distance between the two adjacent groups of limiting units becomes longer, and when the telescopic rod is retracted to the left, the distance between the two adjacent groups of limiting units is shortened, the two limiting baffles in each group of follow-up units drive the rotating disk to move, and the extension portion drives the corresponding fertilizer discharge pipe to move, so as to realize the adjustment of the fertilizer discharge position according to the working row spacing.

[0015] As a preferred solution of the equipment for finely crushing and mixing fertilizer in strip-applying soil in heavy clay seedling beds in the present invention, a furrow trimmer is fixedly connected to the frame behind the crushing shell, and the position of the furrow trimmer in the left and right directions corresponds to the intermediate transmission box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the present invention.

[0017] Figure 2 The three-dimensional structure of the present invention Figure 1 .

[0018] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0019] Figure 4 The three-dimensional structure of the present invention Figure 2 .

[0020] Figure 5 for Figure 4 A partial enlarged view of point B in the middle.

[0021] Figure 6 for Figure 4 A partial enlarged view of point C in the middle.

[0022] Figure 7 The three-dimensional structure of the present invention Figure 3 .

[0023] Figure 8 for Figure 7 A partial enlarged view of point D in the middle.

[0024] Fig. 9 It is a top view of the left side of the intermediate transmission box in the present invention.

[0025] Fig.10It is a three-dimensional structural diagram of two material limiting plates fixed on the lower side of the material limiting baffle in the present invention.

[0026] Fig.11 The three-dimensional structure of the present invention Figure 4 .

[0027] In the figure: 100 furrow trimmer, 200 main assembly, 201 rotary tiller shaft, 202 rotary tiller, 203 first side transmission box, 204 frame, 204a sliding slot, 205 suspension bracket, 206 first upper transmission shaft, 207 middle transmission box, 208 upper transmission box, 209 second upper transmission shaft, 210 second side transmission box, 211 first output shaft, 300 fertilization assembly, 301 fertilization box, 302 fertilizer discharger, 303 fertilizer discharge pipe, 400 crushing assembly, 401 crushing fixed knife, 402 crushing shell, 402a discharge port, 403 limiting unit, 403a limiting Material plate, 403a-1 extension part, 403a-2 limiting trough, 403b rotating disk, 403b-1 rotating trough, 403c limiting baffle, 404 discharging position adjustment module, 404a telescopic rod, 404b linear drive, 404c follower unit, 404c-1 second follower rod, 404c-2 first follower rod, 404d first right connecting rod, 404e second right connecting rod, 404f first left connecting rod, 404g second left connecting rod, 404h supporting column, 405 crushing moving knife, 406 center axis, 407 transmission plate, 408 crushing axis. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] Example 1 Reference Figure 1 , Fig. 9 and Fig.11 , which is the first embodiment of the present invention, provides a heavy clay soil seedbed soil fine crushing and fertilizer strip application tillage equipment, which can further crush the soil blocks after rotary tillage into fine soil and discharge it into the field, providing a better quality seedbed. At the same time, the fertilizer and the crushed fine soil are mixed and discharged into the field, which improves the fertilizer efficiency, preserves nutrients, and helps to improve the quality of agricultural products.

[0030] The heavy clay seedbed soil fine crushing and fertilizer strip application tillage equipment comprises a main body component 200, including a frame 204, a hanging bracket 205 is fixed to the front end of the frame 204, an intermediate transmission box 207 is fixedly connected to the frame 204, a rotary tiller shaft 201 is rotatably connected to the front part of the frame 204, a plurality of rotary tillers 202 are arranged on the rotary tiller shaft 201, the left and right ends of the intermediate transmission box 207 are respectively connected to the first upper transmission shaft 206, the left and right ends of the frame 204 are respectively fixedly connected to the first side transmission box 203, the end of the first upper transmission shaft 206 away from the intermediate transmission box 207 is connected to the input end of the first side transmission box 203, and the first side transmission box 203 is connected to the input end of the first side transmission box 203. The lower end is connected to a first output shaft 211, which is connected to the rotary tiller shaft 201. The upper end of the frame 204 is also fixedly connected to an upper transmission box 208, the input end of the upper transmission box 208 is connected to a transmission shaft, the output end of the upper transmission box 208 is connected to a second upper transmission shaft 209, and a second side transmission box 210 is fixedly connected to the frame 204 behind the first side transmission box 203, the input end of the second side transmission box 210 is connected to the second upper transmission shaft 209, and the lower end of the second side transmission box 210 is connected to a second output shaft; the frame 204 is connected to a crushing assembly 400 for crushing large clods of soil into fine soil and a fertilizing assembly 300 for discharging fertilizer.

[0031] Specifically, the crushing assembly 400 includes a crushing shell 402 fixedly connected to the inner sides of the left and right ends of the frame 204, the upward end of the crushing shell 402 has a crushing chamber, a central shaft 406 is rotatably connected to the crushing shell 402, the second output shaft is connected to the central shaft 406, the output end of the intermediate transmission box 207 is transmission-connected to the central shaft 406, the left and right ends of the central shaft 406 in the crushing shell 402 are connected to transmission plates 407, at least one crushing shaft 408 that is set offset from the center of the central shaft 406 is connected between the two transmission plates 407, a plurality of crushing fixed knives 401 are arranged on the crushing shell 402 at the lower side of the crushing chamber, and a crushing movable knife 405 is connected to the crushing shaft 408 between two adjacent crushing fixed knives 401 in the axial direction, and the crushing movable knife 405 can Extending into the crushing gap between the corresponding two adjacent crushing moving knives 405, a discharge port 402a is opened at the lower end of the rear part of the crushing shell 402, and the front end of the crushing shell 402 extends in the direction of the crushing knife shaft. The soil blocks thrown backwards when the rotary tiller 202 rotates can enter the crushing chamber; the fertilization component 300 includes a fertilizer box 301 fixedly connected to the upper end of the frame 204, and a plurality of fertilizer dischargers 302 are arranged on the lower side of the fertilizer box 301. The fertilizer discharger 302 in this application is preferably an electric fertilizer discharger 302, which is a prior art. A soft fertilizer discharge pipe 303 is connected to the lower end of the fertilizer discharger 302, and a sliding port for allowing the fertilizer discharge pipe 303 to pass through or move left and right is opened at the upper end of the frame 204 on the left and right sides of the intermediate transmission box 207, and the lower end of the fertilizer discharge pipe 303 is in the crushing chamber.

[0032] The present application is connected to the rear of the traveling device in a liftable manner through a suspension bracket 205, and a power input shaft is connected to the front end of the intermediate transmission box 207, and the power input shaft is provided with rotational power by the traveling device in front. The first side transmission box 203, the upper transmission box 208, the second side transmission box 210, the intermediate transmission box 207 and the aforementioned power transmission structure are all prior art, and are not the improvement points of the present application, and their internal structures are not described in detail; during operation, the traveling device lowers the present equipment, and the traveling device provides power to the intermediate transmission box 207 through the universal joint, and the first upper transmission shaft 206 rotates, and the first upper transmission shaft 206 provides input power to the upper transmission box 208 and the first side transmission box 203, and the power output of the upper transmission box 208 is the second upper transmission shaft 209, and the second upper transmission shaft 209 provides the second side transmission box 210 with power. The first output shaft 211 and the second output shaft rotate, the first output shaft 211 drives the rotary tiller shaft 201 to rotate, the rotary tiller shaft 201 drives the rotary tiller blade 202 to rotate, a number of rotary tillers 202 till the field, the rotary tiller blade 202 throws the tilled soil backwards into the crushing shell 402, further collides with the crushing shell 402, and the soil is broken, the second output shaft drives the central shaft 406 to rotate, the fertilizer discharger 302 moves, the central shaft 406 drives the transmission plate 407 to rotate, the transmission plate 407 drives the crushing movable blade 405 to rotate, the crushing movable blade 405 and the crushing fixed blade 401 further crush the soil to form fine soil, the fertilizer discharge pipe 303 discharges the fertilizer into the crushing shell 402, the crushed fine soil is discharged from the crushing shell 402 through the discharge port 402a, and the fine soil and fertilizer are mixed together and discharged to the field.

[0033] Example 2 Reference Figure 2 , Figure 3 and Fig.10 , which is the second embodiment of the present invention, provides a strip-applying tillage equipment for finely crushing and mixing fertilizer in heavy clay seedbed soil, which can realize fertilizer application in a fixed area.

[0034] Specifically, the crushing assembly 400 also includes a plurality of limiting units 403, and the limiting units 403 include two limiting plates 403a spaced apart in the left and right directions, and a rotating disk 403b is rotatably connected to the limiting plate 403a, and a limiting groove 403a-2 is provided on the lower side of the limiting plate 403a, and the rotating disk 403b is just inserted into the limiting plate 403a from bottom to top through the limiting groove 403a-2, and a connecting hole is provided in the center of the rotating disk 403b, and the rotating disk 403b is just sleeved on the central shaft 406 through the connecting hole, and the rotating disk 403b is provided with a connecting hole. There is a rotating trough 403b-1 for the corresponding central axis 406 and the crushing moving knife 405 to pass through, two rotating troughs 403b-1 are opened on the rotating disk 403b, two crushing shafts 408 are connected between the two transmission plates 407, the two crushing shafts 408 are symmetrically arranged about the center of the transmission plate 407, and the two rotating troughs 403b-1 are symmetrically arranged about the center of the rotating disk 403b. A plurality of fertilizer dischargers 302 are arranged on the lower side of the fertilizer box 301 on the left and right sides of the middle transmission box 207, and the fertilizer discharge pipe 303 is between the two limiting plates 403a of the corresponding limiting unit 403.

[0035] When the second output shaft rotates, it drives the transmission plate 407 to rotate, the transmission plate 407 drives the two crushing shafts 408 to rotate, the crushing shafts 408 drive the crushing movable knife 405 to rotate, and the two crushing shafts 408 also drive the rotating disk 403b to rotate at the same time, the crushing movable knife 405 rotates around the center of the transmission plate 407, and the continuously rotating crushing movable knife 405 and the fixed crushing fixed knife 401 further crush the soil blocks.

[0036] The fertilizer discharge pipe 303 is inserted between the two limiting plates 403a in a corresponding group of limiting units 403. There is a mixture of fertilizer and crushed fine soil between the two limiting plates 403a in a group of limiting units 403. The mixture is mixed fertilizer. There is pure crushed fine soil between adjacent groups of limiting units 403. The mixed fertilizer and pure fine soil are respectively discharged backwards from the discharge port 402a, thereby realizing the application of mixed fertilizer in a fixed area, which is convenient for later planting.

[0037] Example 3 Reference Figures 4 to 8 , which is the third embodiment of the present invention, provides a strip-applying tillage equipment for finely crushing and mixing fertilizer in heavy clay seedbed soil, which can adjust the spacing between adjacent groups of fertilizers according to the requirements of planting row spacing.

[0038] Specifically, the distance between adjacent groups of limiting material units 403 is adjustable, and the structure for realizing the distance between two adjacent groups of limiting material units 403 is specifically that the crushing assembly 400 also includes a discharge position adjustment module 404, and the discharge position adjustment module 404 includes a linear drive 404b, and the linear drive 404b is a prior art, preferably a hydraulic cylinder, and the linear drive 404b is fixedly connected to the rear side of the upper part of the crushing shell 402, and the crushing shell 402 is provided with a plurality of limiting baffles 403c which just slide along the outer wall of the crushing shell 402 and correspond to the limiting material units 403 one by one, and the crushing shell 402 is provided with a sliding groove 204a, so The material limiting baffle 403c passes through the sliding slot 204a and extends into one end of the crushing shell 402 and is fixedly connected to the corresponding two material limiting plates 403a. The front side of the material limiting plate 403a is fixed with an extension portion 403a-1 extending in the direction of the crushing fixed knife 401. The extension portion 403a-1 can drive the corresponding fertilizer discharge pipe 303 to move in the left and right directions. The linear driver 404b is connected to a telescopic rod 404a that can perform reciprocating linear motion in the left and right directions. When the telescopic rod 404a moves, the telescopic rod 404a drives each material limiting baffle 403c to move, and several material limiting baffles 403c gradually approach or move away at the same time.

[0039] First, the fertilizer discharge position is adjusted according to the working row spacing, and the linear driver 404b is controlled to move, so that the telescopic rod 404a makes reciprocating linear motion in the left and right directions, and the telescopic rod 404a drives the limiting baffle 403c to move, and the limiting baffle 403c drives the corresponding two limiting plates 403a to move. When several limiting baffles 403c gradually approach, the distance between adjacent groups of limiting units 403 becomes smaller. When the required position is reached, the linear driver 404b stops moving. When several limiting baffles 403c gradually move away, the distance between adjacent groups of limiting units 403 becomes larger. When the required position is reached, the linear driver 404b stops moving to achieve the position adjustment of the limiting unit 403. The extension part 403a-1 or the limiting plate 403a in the limiting unit 403 drives the fertilizer discharge pipe 303 to move, that is, the adjustment of the fertilizer discharge position is achieved.

[0040] Specifically, the leftmost material limiting baffle 403c is hinged with a first left connecting rod 404f and a second left connecting rod 404g of the same structure, and the rightmost material limiting baffle 403c is hinged with a first right connecting rod 404d and a second right connecting rod 404e of the same structure. The first right connecting rod 404d and the first left connecting rod 404f also have the same structure. A plurality of follower units 404c are hinged together from left to right in sequence between the leftmost material limiting baffle 403c and the rightmost material limiting baffle 403c. c comprises a first follower rod 404c-2 and a second follower rod 404c-1 of the same structure, the centers of the first follower rod 404c-2 and the second follower rod 404c-1 are cross-arranged and hinged together, in two adjacent groups of follower units 404c, the first follower rod 404c-2 at the left end is hinged to the second follower rod 404c-1 at the right end, the second follower rod 404c-1 at the left end is hinged to the first follower rod 404c-2 at the right end, and the plurality of material limiting baffles 403c in the middle correspond to the plurality of follower units 404c one by one, and the material limiting baffles 403c are hinged to the first follower rod 404c-2 at the right end. The plate 403c is hinged at the center of the corresponding first follower rod 404c-2 and the second follower rod 404c-1, the first left connecting rod 404f is hinged to the left end of the first follower rod 404c-2 at the leftmost end toward one end of the linear drive 404b, the second left connecting rod 404g is hinged to the left end of the second follower rod 404c-1 at the leftmost end toward one end of the linear drive 404b, and the first right connecting rod 404d is hinged to the right end of the first follower rod 404c-2 at the rightmost end toward one end of the linear drive 404b. The second right connecting rod 404e is hinged to the right end of the second follower rod 404c-1 at the rightmost end at one end toward the linear drive 404b, and a support column 404h is fixedly connected to the linear drive 404b. One end of the first follower rod 404c-2 and the second follower rod 404c-1 in a group of follower units 404c is cross-hinged and hinged to the support column 404h, and the end of the telescopic rod 404a away from the linear drive 404b is hinged to the first right connecting rod 404d and the second right connecting rod 404e hinged together.

[0041] The length of the first follower rod 404c-2 is twice the length of the first left connecting rod 404f; when the linear drive 404b is in motion, the telescopic rod 404a drives the first right connecting rod 404d and the second right connecting rod 404e to swing, and the first right connecting rod 404d and the second right connecting rod 404e drive the first left connecting rod 404f and the second left connecting rod 404g to swing through a plurality of follower units 404c. When the telescopic rod 404a is extended to the right, the telescopic rod 404a pulls the rightmost material limiting baffle 403c to move right, and the rightmost material limiting baffle 403c pulls the first right connecting rod 404d and the second right connecting rod 404e to swing in a direction close to each other, and the first The right connecting rod 404d pulls the first follower rod 404c-2 to swing, and the second right connecting rod 404e pulls the second follower rod 404c-1 to swing, and the following follower units 404c follow, and the distance between the two adjacent groups of material limiting units 403 becomes longer. When the telescopic rod 404a retracts to the left, the distance between the two adjacent groups of material limiting units 403 shortens, and the two material limiting baffles 403c in each group of follower units 404c drive the rotating disk 403b to move, and the extension part 403a-1 drives the corresponding fertilizer discharge pipe 303 to move. When the material limiting unit 403 moves to the required position, the linear drive 404b stops moving, so as to realize the adjustment of the fertilizer discharge position according to the row spacing of the planting operation.

[0042] Specifically, a groove trimmer 100 is fixedly connected to the frame 204 behind the crushing shell 402, and the position of the groove trimmer 100 in the left-right direction corresponds to the intermediate transmission box 207. The center position of the support column 404h in the left-right direction corresponds to the center position of the groove trimmer 100 in the left-right direction, and the position of the material limiting baffle 403c connected to the support column 404h remains unchanged.

[0043] While rotary tilling and fertilizer discharge, the furrow trimmer 100 trims the furrows of the field.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the technical solutions of the present invention.

Claims

1. Equipment for finely crushing and mixing fertilizer in heavy soil seedbeds, characterized by: include, The main body assembly (200) comprises a frame (204), a suspension bracket (205) is fixed to the front end of the frame (204), and an intermediate transmission box (207) is fixedly connected to the frame (204); The crushing assembly (400) comprises a crushing shell (402) fixedly connected to the inner sides of the left and right ends of the frame (204); the crushing shell (402) has a crushing chamber at one end facing upward; a central shaft (406) is rotatably connected to the crushing shell (402); the output end of the intermediate transmission box (207) is transmission-connected to the central shaft (406); the left and right ends of the central shaft (406) in the crushing shell (402) are connected to transmission plates (407); and the two transmission plates (407) are connected to each other. A crushing shaft (408) is connected and arranged off the center of the central axis (406); a plurality of crushing fixed knives (401) are arranged on the crushing shell (402) at the lower side of the crushing chamber; in the axial direction, a crushing movable knife (405) is connected to the crushing shaft (408) between two adjacent crushing fixed knives (401); the crushing movable knife (405) can extend into the crushing gap between the corresponding two adjacent crushing movable knives (405); and a discharge port (402a) is opened at the lower end of the rear part of the crushing shell (402); The fertilization assembly (300) comprises a fertilization box (301) fixedly connected to the upper end of the frame (204); a plurality of fertilizer dischargers (302) are arranged at the lower side of the fertilization box (301); the lower end of the fertilizer discharger (302) is connected to a soft fertilizer discharge pipe (303); and the lower end of the fertilizer discharge pipe (303) is in the crushing chamber.

2. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment according to claim 1, characterized in that: The front part of the frame (204) is rotatably connected to a rotary tiller shaft (201), and a plurality of rotary tillers (202) are arranged on the rotary tiller shaft (201). The front end of the crushing shell (402) extends in the direction of the crushing shaft, and soil thrown backwards by the rotary tiller shaft (202) when rotating can enter the crushing chamber.

3. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment according to claim 1, characterized in that: The crushing assembly (400) further comprises a plurality of material limiting units (403), wherein the material limiting units (403) comprise two material limiting plates (403a) spaced apart in the left-right direction, a rotating disk (403b) being rotatably connected to the material limiting plate (403a), a connecting hole being provided at the center of the rotating disk (403b), the rotating disk (403b) being just sleeved on the central shaft (406) through the connecting hole, a rotating trough (403b-1) being provided on the rotating disk (403b) for the corresponding central shaft (406) and the crushing moving blade (405) to pass through, a plurality of fertilizer dischargers (302) being arranged at the lower side of the fertilizer box (301) on the left and right sides of the intermediate transmission box (207), and the fertilizer discharge pipe (303) being located between the two material limiting plates (403a) of the corresponding material limiting unit (403).

4. The equipment for finely crushing and mixing fertilizer in seedbeds of heavy clay soil as claimed in any one of claims 1 to 3, characterized in that: The left and right ends of the intermediate transmission box (207) are respectively connected to the first upper transmission shaft (206); the left and right ends of the frame (204) are respectively fixedly connected to the first side transmission box (203); one end of the first upper transmission shaft (206) away from the intermediate transmission box (207) is connected to the input end of the first side transmission box (203); the lower end of the first side transmission box (203) is connected to the first output shaft (211); and the first output shaft (211) is connected to the rotary blade shaft (201).

5. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment according to claim 4, characterized in that: The upper end of the frame (204) is also fixedly connected to an upper transmission box (208), the input end of the upper transmission box (208) is transmission-connected to a transmission shaft, the output end of the upper transmission box (208) is connected to a second upper transmission shaft (209), the frame (204) behind the first side transmission box (203) is fixedly connected to a second side transmission box (210), the input end of the second side transmission box (210) is connected to the second upper transmission shaft (209), the lower end of the second side transmission box (210) is connected to a second output shaft, and the second output shaft is connected to the central shaft (406).

6. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment as claimed in claim 3, characterized in that: The distance between adjacent groups of material limiting units (403) is adjustable.

7. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment according to claim 6, characterized in that: The pulverizing assembly (400) further comprises a material discharging position adjusting module (404), wherein the material discharging position adjusting module (404) comprises a linear drive (404b), wherein the linear drive (404b) is fixedly connected to the rear side of the upper part of the pulverizing shell (402), wherein the pulverizing shell (402) is provided with a plurality of material limiting baffles (403c) which just slide along the outer wall of the pulverizing shell (402) and correspond one to one with the material limiting units (403), and wherein the pulverizing shell (402) is provided with a sliding groove (20 4a), one end of the material limiting baffle (403c) extending into the crushing shell (402) through the sliding slot (204a) is fixedly connected to the corresponding two material limiting baffles (403a), and the linear driver (404b) is connected with a telescopic rod (404a) capable of reciprocating linear motion in the left and right directions. When the telescopic rod (404a) moves, the telescopic rod (404a) drives each material limiting baffle (403c) to move, and a plurality of material limiting baffles (403c) gradually approach or move away at the same time.

8. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment according to claim 7, characterized in that: The leftmost material limiting baffle (403c) is hinged with a first left connecting rod (404f) and a second left connecting rod (404g), and the rightmost material limiting baffle (403c) is hinged with a first right connecting rod (404d) and a second right connecting rod (404e). A plurality of groups of follower units (404c) are hinged together from left to right in sequence between the leftmost material limiting baffle (403c) and the rightmost material limiting baffle (403c). The follower units (404c) include a cross A first follower rod (404c-2) and a second follower rod (404c-1) are arranged and hinged together, in two adjacent groups of follower units (404c), the first follower rod (404c-2) at the left end is hinged to the second follower rod (404c-1) at the right end, the second follower rod (404c-1) at the left end is hinged to the first follower rod (404c-2) at the right end, and the first left connecting rod (404f) is hinged to the leftmost first end of the linear drive (404b) at one end thereof. The left end of the follower rod (404c-2), the second left connecting rod (404g) is hinged to the left end of the second follower rod (404c-1) at the leftmost end toward one end of the linear drive (404b), the first right connecting rod (404d) is hinged to the right end of the first follower rod (404c-2) at the rightmost end toward one end of the linear drive (404b), and the second right connecting rod (404e) is hinged to the rightmost end of the second follower rod ( The linear drive (404b) is fixedly connected to a support column (404h), one end of a first follower rod (404c-2) and a second follower rod (404c-1) in a follower unit (404c) being cross-hinged together is hinged on the support column (404h), and one end of the telescopic rod (404a) away from the linear drive (404b) is hinged to a first right connecting rod (404d) and a second right connecting rod (404e) that are hinged together.

9. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment according to claim 6, characterized in that: An extension portion (403a-1) extending in the direction of the crushing fixed blade (401) is fixed to the front side of the limiting plate (403a), and the extension portion (403a-1) can drive the corresponding fertilizer discharge pipe (303) to move in the left-right direction.

10. The heavy clay seedbed soil fine crushing and fertilizer strip application farming equipment according to claim 6, characterized in that: A groove trimmer (100) is fixedly connected to the frame (204) at the rear of the crushing shell (402), and the position of the groove trimmer (100) in the left-right direction corresponds to the intermediate transmission box (207).

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