Fertilizer Spreader

Abstract

The present invention provides a trenching fertilizer spreader, which belongs to the technical field of agricultural machinery, and includes a machine body, a trenching shovel, a fertilizer device and a crushing assembly; the moving direction of the machine body is a first direction, and the left and right directions of the machine body are a second direction; the trenching shovel is extended along the second direction and arranged on the machine body; the trenching shovel includes a plurality of shovel teeth arranged at intervals along the second direction; the fertilizer device is arranged on the machine body; the fertilizer device includes a fertilizer box located at the rear side of the trenching shovel along the first direction, the fertilizer box is provided with a plurality of fertilizer outlets corresponding to the plurality of shovel teeth, and the fertilizer outlets extend downward to the bottom close to the shovel teeth; the branch crushing assembly is arranged in the fertilizer device; the branch crushing assembly has a plurality of crushing ends corresponding to the plurality of fertilizer outlets, the crushing ends extend downward from the corresponding fertilizer outlets, and a rotating blade is provided. The trenching fertilizer spreader provided by the present invention can crush branches in the soil trench to avoid the interference of branches on the fertilizer falling path, so that the fertilizer is applied evenly.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and more specifically, relates to a trenching and fertilizing machine. Background Art

[0002] During the cultivation of fruit plants, it is necessary to loosen the soil and apply fertilizers to the planting site of the crop plants. When planting fruits, it is necessary to first dig trenches on the land to be planted and apply fertilizers to ensure the quality of the fruit; the hardness, fertility, and coverage of messy branches of the soil in the planting site will affect the process of digging trenches and fertilizing, and the amount of fertilizer and the uniformity of fertilizer application will also affect the growth of crops.

[0003] When the existing trenching fertilizer applicator is working, it often directly applies fertilizer into the trench after trenching the land to be planted. However, when there are many messy branches and a thick layer of branches in the land to be planted, many branches will often remain in the newly opened trench, affecting the fertilization process, resulting in uneven fertilizer application, and further affecting the quality of the final harvested fruit. Summary of the invention

[0004] The purpose of the present invention is to provide a trenching fertilizer spreading machine, aiming to solve the technical problem of uneven fertilizer distribution when the existing trenching fertilizer spreading machine is used to fertilize land with a high coverage rate of messy branches.

[0005] To achieve the above object, the technical solution adopted by the present invention is: to provide a trenching fertilizer spreading machine, comprising:

[0006] A machine body, wherein a moving direction of the machine body is defined as a first direction, and a left-right direction of the machine body is defined as a second direction;

[0007] A trenching shovel is provided on the machine body and extends along the second direction; the trenching shovel comprises a plurality of shovel teeth arranged at intervals along the second direction;

[0008] A fertilizing device is arranged on the machine body; the fertilizing device comprises a fertilizing box located at the rear side of the trenching shovel along the first direction, the fertilizing box is provided with a plurality of fertilizer outlets corresponding to the plurality of shovel teeth one by one, and the fertilizer outlets extend downward to the bottom close to the shovel teeth;

[0009] A branch crushing component is arranged in the fertilizing device; the branch crushing component has a plurality of crushing ends corresponding to the plurality of fertilizer outlets one by one, the crushing ends extend downward from the corresponding fertilizer outlets and are provided with rotating blades.

[0010] In a possible implementation, the branch breaking component includes:

[0011] A first driving member is fixed to the machine body and is disposed on the top of the fertilizer box;

[0012] A gear transmission member, the driving end of which is connected to the power output end of the first driving member; the gear transmission member has a plurality of driven ends corresponding to the plurality of fertilizer outlets one by one up and down;

[0013] A plurality of sets of rotating shafts are connected to the plurality of driven ends in a one-to-one correspondence; the lower end portion of the rotating shaft extends out of the fertilizer outlet and forms the crushing end.

[0014] In some embodiments, a spiral blade is provided on the rotating shaft, and the spiral blade is located in the fertilization box and close to the crushing end; the spiral blade is used to transport the fertilizer in the fertilization box.

[0015] In a possible implementation, a squeezing assembly is provided on a side of the fertilizing box away from the trenching shovel; the squeezing assembly includes a squeezing plate, and the squeezing plate is slidably connected in the fertilizing box along the first direction.

[0016] In some embodiments, the extrusion assembly further comprises:

[0017] A second driving member is disposed at the upper rear portion of the fertilizer box; the second driving member comprises a driving shaft disposed at the rear side of the fertilizer box, and the driving shaft extends downward to the bottom of the fertilizer box;

[0018] Two chain transmission members are arranged at the top and bottom of the fertilizer box with upper and lower intervals, and the driving wheels of the chain transmission members are connected to the driving shaft; the transmission chain of the chain transmission member located at the top is detachably connected to the extrusion plate that passes through the upper end of the fertilizer box, and the transmission chain of the chain transmission member located at the bottom is magnetically connected to the extrusion plate placed at the lower end of the fertilizer box.

[0019] In some embodiments, the extrusion assembly further comprises:

[0020] a third driving member, disposed at the rear side of the fertilizer box;

[0021] Two screw transmission parts, the active ends of which are connected to the power output end of the third driving part; the screw transmission parts include two screws spaced apart and arranged in parallel up and down; the screw located at the top is rotatably connected to the upper end of the extrusion plate that passes upward through the upper end of the fertilizer box, and the screw located at the bottom horizontally passes into the fertilizer box and is rotatably connected to the lower end of the extrusion plate.

[0022] In a possible implementation, the fertilization box includes:

[0023] A fertilizer storage box is arranged on the machine body and extends along the second direction;

[0024] A plurality of fertilizer distribution boxes are arranged at intervals at the bottom of the fertilizer storage box along the second direction and are placed on a side of the fertilizer storage box close to the trenching shovel; a fertilizer outlet is provided at the bottom of each fertilizer distribution box.

[0025] In some embodiments, the side of the fertilizer distribution box away from the trenching shovel is an inclined plate, and the lower direction of the inclined plate is inclined toward the trenching shovel.

[0026] In a possible implementation, a group of soil clearing components is provided on the rear side of each shovel tooth along the first direction, and the soil clearing components are used to intercept soil on both sides of the soil ditch.

[0027] In some embodiments, the soil cleaning assembly includes:

[0028] A connecting shaft, one end of which is connected to the rear side of the shovel teeth and the other end of which extends along the first direction;

[0029] A soil cutting plate is arranged at the extended end of the connecting shaft; the lower end of the soil cutting plate extends downward to be flush with the shovel teeth; and the soil cutting plate is inclined to one side from the middle of the shovel teeth along the second direction.

[0030] Compared with the prior art, the solution shown in the embodiment of the present application is characterized in that a trenching shovel is provided to trench a preset area when the machine body moves along a first direction; and then the fertilizer is applied directly into the soil ditch behind the shovel teeth from the fertilizer outlet through the fertilizing device; and a crushing assembly is provided so that the rotating blade can crush the branches that are not cleared away by the shovel teeth or the branches that fall back into the soil ditch at the lower end of the fertilizer outlet, so as to avoid the fertilizer deviating from the preset falling path due to the interference of the branches, thereby making the fertilizer evenly distributed to ensure the quality of fruit growth. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the structure of the trenching fertilizer spreading machine provided in the embodiment of the present invention Figure 1 ;

[0033] Figure 2 A schematic diagram of the structure of the trenching fertilizer spreading machine provided in the embodiment of the present invention Figure 2 ;

[0034] Figure 3 A schematic diagram of the structure of a soil cleaning assembly provided in an embodiment of the present invention;

[0035] Figure 4 A schematic diagram of the meshing structure of the first driving wheel and the first driven wheel provided in an embodiment of the present invention.

[0036] In the figure:

[0037] 1. Body;

[0038] 2. Shovel teeth;

[0039] 3. Fertilizer box; 31. Fertilizer storage box; 311. Chute; 32. Fertilizer distribution box; 321. Inclined plate; 322. Fertilizer outlet;

[0040] 4. Crushing assembly; 41. First driving member; 42. Gear transmission member; 421. First driving wheel; 422. First driven wheel; 43. Rotating shaft; 431. Rotating blade; 432. Spiral blade;

[0041] 5. Extrusion assembly; 51. Second driving member; 511. Driving shaft; 52. Chain transmission member; 53. Third driving member; 54. Screw transmission member; 541. Second driving wheel; 542. Second driven wheel; 543. Screw; 55. Extrusion plate; 551. First connecting part;

[0042] 6. Soil clearing assembly; 61. Connecting shaft; 62. Soil cutting plate. DETAILED DESCRIPTION

[0043] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0044] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0045] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0046] Please also read Figures 1 to 4 The trenching fertilizer applicator provided by the present invention is now described. The trenching fertilizer applicator comprises a machine body 1, a trenching shovel, a fertilizer device and a crushing assembly 4; the moving direction of the machine body 1 is defined as the first direction, and the left and right direction of the machine body is defined as the second direction; the trenching shovel is provided on the machine body 1 along the second direction; the trenching shovel comprises a plurality of shovel teeth 2 arranged at intervals along the second direction; the fertilizer device is provided on the machine body 1; the fertilizer device comprises a fertilizer box 3 located at the rear side of the trenching shovel along the first direction, the fertilizer box 3 is provided with a plurality of fertilizer outlets 322 corresponding to the plurality of shovel teeth 2, and the fertilizer outlets 322 extend downward to the bottom close to the shovel teeth 2; the shredding assembly is provided in the fertilizing device; the shredding assembly has a plurality of crushing ends corresponding to the plurality of fertilizer outlets 322, the crushing ends extend downward from the corresponding fertilizer outlets 322, and a rotating blade 431 is provided.

[0047] For ease of understanding, this application uses the attached Figure 1 and attached Figure 2 The direction of the arrow A in the figure indicates the direction of movement of the machine body 1, that is, the first direction; in this application, the attached Figure 3 and attached Figure 4 The direction of the arrow B indicates the left and right direction of the machine body 1, that is, the second direction. The front side referred to in this application refers to the front side of the machine body 1 in the direction of travel, and the rear side refers to the rear side of the machine body 1 in the direction of travel.

[0048] It should be noted that the trenching shovel in the present application has a trenching state deep in the soil and a recovery state retracted upward onto the body 1; the body 1 used in the present application includes a traveling mechanism and a driving device, a transmission assembly and a connecting rod mechanism for driving the trenching shovel to trench and recover, and the specific structure and working principle of this part belong to the prior art and will not be repeated here.

[0049] It should be understood that the fertilizer outlet 322 opens downward, and the fertilizer falls from the fertilizer box 3 through the fertilizer outlet 322 into the soil trench dug by the trenching shovel.

[0050] Exemplarily, the crushing assembly 4 is connected to the machine body 1 via a telescopic driving member. Specifically, the length of the crushing end of the crushing assembly 4 extending out of the fertilizer outlet 322 is adjusted by adjusting the extension length of the telescopic driving member.

[0051] Compared with the prior art, the trenching fertilizer applicator provided by the present invention is provided with a trenching shovel, which is used to trench a preset area when the machine body 1 moves along a first direction; and then the fertilizer is directly applied to the soil trench behind the shovel teeth 2 from the fertilizer outlet 322 through the fertilizer application device; and a crushing component 4 is provided so that the rotating blade 431 can crush the branches that are not cleared away by the shovel teeth 2 or the branches that fall back into the soil trench at the lower end of the fertilizer outlet 322, so as to avoid the fertilizer from deviating from the preset falling path due to the interference of the branches, so that the fertilizer is evenly distributed to ensure the quality of fruit growth.

[0052] See also Figure 1 In some possible embodiments, the branch crushing assembly includes a first driving member 41, a gear transmission member 42 and multiple sets of rotating shafts 43; the first driving member 41 is fixed on the body 1 and is arranged on the top of the fertilizer box 3; the active end of the gear transmission member 42 is connected to the power output end of the first driving member 41; the gear transmission member 42 has multiple driven ends corresponding to multiple fertilizer outlets 322 one by one up and down; the multiple sets of rotating shafts 43 are connected to the multiple driven ends one by one; the lower end portion of the rotating shaft 43 extends out of the fertilizer outlet 322 and forms a crushing end.

[0053] It should be understood that when there are a large number of branches in the preset area, even if trenching is carried out using a trenching shovel, some branches will lie horizontally in the trenched soil, and after the trenching shovel teeth 2 of the trenching shovel pass through, some soil and branches will fall back into the trench; by setting up a rotating blade 431, this part of the branches can be broken up to prevent the scattered fertilizer from being interfered with by the branches and affecting the fertilization path.

[0054] The first driving member 41 drives the multiple sets of rotating shafts 43 to rotate through the gear transmission member 42. When the rotating shafts 43 rotate, they drive the crushing end of the rotating shaft 43 extending out of the fertilizer outlet 322 to rotate, and then drive the rotating blade 431 of the crushing end to rotate, so that the rotating blade 431 crushes the branches.

[0055] See also Figure 4 Exemplarily, the gear transmission member 42 includes a first driving wheel 421 and a plurality of first driven wheels 422; the first driving wheel 421 is arranged at the power output end of the first driving member 41; the first driving wheel 421 is located above one side of the fertilizer box 3; the plurality of first driven wheels 422 correspond one by one to the plurality of rotating shafts 43, and are connected to the upper ends of the corresponding rotating shafts 43; wherein, a first driven wheel 422 close to the first driving wheel 421 is meshed with the first driving wheel 421, and the remaining first driven wheels 422 are meshed sequentially along the second direction.

[0056] Optionally, a telescopic driving member is provided at the bottom of the fertilizing box 3 to drive the fertilizing box 3 to move up and down to adjust the height of the fertilizer outlet 322 .

[0057] See also Figure 1In some embodiments, a spiral blade 432 is provided on the rotating shaft 43 , and the spiral blade 432 is located in the fertilizer box 3 and close to the crushing end; the spiral blade 432 is used to transport the fertilizer in the fertilizer box 3 .

[0058] The fertilizer is transported to the fertilizer outlet 322 through the spiral blades 432 , and the spiral blades 432 can stir the waste material near the fertilizer outlet 322 to prevent the fertilizer from accumulating at the fertilizer outlet 322 .

[0059] Optionally, the rotating shaft 43 includes a first connecting shaft 61 and a second connecting shaft 61 threadedly connected to the first connecting shaft 61, the first connecting shaft 61 is provided with a spiral blade 432, and the second connecting shaft 61 is provided with a rotating blade 431. Preferably, the rotating blade 431 is a six-leaf blade; specifically, the length of the rotating blade 431 extending out of the fertilizer outlet 322 is adjusted by adjusting the screw connection length of the second connecting shaft 61 and the first connecting shaft 61.

[0060] See also Figure 1 In some possible embodiments, a squeezing assembly 5 is provided on a side of the fertilizer box 3 away from the trench shovel; the squeezing assembly 5 includes a squeezing plate 55, and the squeezing plate 55 is slidably connected in the fertilizer box 3 along a first direction.

[0061] The squeezing plate 55 is provided to squeeze the fertilizer away from the side of the trench shovel to the upper end of the fertilizer outlet 322, so as to facilitate the dropping of the fertilizer.

[0062] Specifically, a plurality of first connection parts 551 are provided at the upper end of the extrusion plate 55, and the plurality of first connection parts 551 are arranged at intervals along the second direction; a plurality of slide grooves 311 corresponding to the plurality of first connection parts 551 are provided on the top plate of the fertilizer box 3, and the slide grooves 311 pass through the top plate of the fertilizer box 3 from top to bottom and extend along the first direction; wherein the upper end of each first connection part 551 extends upward from the slide groove 311, and when the extrusion plate 55 slides in the fertilizer box 3 along the first direction, the first connection part 551 at the upper end of the extrusion plate 55 slides in the corresponding slide groove 311.

[0063] Optionally, a plurality of second connection parts are provided at the lower end of the extrusion plate 55, and the plurality of second connection parts are spaced apart along the second direction; a plurality of slideways corresponding to the plurality of second connection parts are provided on the bottom plate of the fertilizer box 3, and the slideways extend along the first direction; wherein, when the extrusion plate 55 slides in the fertilizer box 3 along the first direction, the second connection part at the lower end of the extrusion plate 55 slides in the corresponding slideway.

[0064] See also Figure 1In some embodiments, the extrusion assembly 5 also includes a second driving member 51 and two chain transmission members 52; the second driving member 51 is arranged at the upper rear part of the fertilizer box 3; the second driving member 51 includes a driving shaft 511 arranged at the rear side of the fertilizer box 3, and the driving shaft 511 extends downward to the bottom of the fertilizer box 3; the two chain transmission members 52 are arranged at the top and bottom of the fertilizer box 3 at intervals, and the driving wheels of the chain transmission members 52 are connected to the driving shaft 511; the transmission chain of the chain transmission member 52 at the top is detachably connected to the extrusion plate 55 passing through the upper end of the fertilizer box 3, and the transmission chain of the chain transmission member 52 at the bottom is magnetically connected to the extrusion plate 55 placed at the lower end of the fertilizer box 3.

[0065] The second driving member 51 is used to drive the two chain transmission members 52 to rotate through the driving shaft 511, wherein the transmission chain of each group of chain transmission members 52 is used to drive the extrusion plate 55 to reciprocate along the first direction.

[0066] It should be understood that the chain transmission member 52 used in the present application includes a driving sprocket, a driven sprocket and a moving chain, as well as necessary tensioning components; and the specific structure and connection method of this part are prior art.

[0067] Specifically, the transmission chain of the chain transmission member 52 located at the top is detachably connected to the first connecting part 551 of the extrusion plate 55 passing through the upper end of the fertilizer box 3, and the first connecting part 551 can be fixed to the upper transmission chain by bolts; optionally, the second connecting part of the extrusion plate 55 placed at the lower end of the fertilizer box 3 is a magnetic material, which can be adsorbed by a magnet and move with the magnet, and a magnet is provided on the transmission chain of the chain transmission member 52 located at the bottom, and the magnet is magnetically connected to the magnetic material of the second connecting part.

[0068] Optionally, as another specific embodiment of the above-mentioned extrusion assembly, the extrusion assembly 5 includes a second driving member 51 and an upper chain transmission member; the second driving member 51 is arranged at the upper rear of the fertilizer box 3; the second driving member 51 includes a driving shaft 511 arranged on the rear side of the fertilizer box 3, and the driving shaft 511 extends downward to the bottom of the fertilizer box 3; the upper chain transmission member is arranged at the top of the fertilizer box 3, and the driving wheel of the upper chain transmission member is connected to the driving shaft 511; the transmission chain of the upper chain transmission member located at the top is detachably connected to the extrusion plate 55 passing through the upper end of the fertilizer box 3.

[0069] See also Figure 2 In some embodiments, the extrusion assembly 5 also includes a third driving member 53 and two screw transmission members 54; the third driving member 53 is arranged on the rear side of the fertilization box 3; the active ends of the two screw transmission members 54 are connected to the power output end of the third driving member 53; the screw transmission member 54 includes two screws 543 that are spaced apart and arranged in parallel up and down; the screw 543 located at the top is rotatably connected to the upper end of the extrusion plate 55 that passes upward through the fertilization box 3, and the screw 543 located at the bottom is horizontally inserted into the fertilization box 3 and is rotatably connected to the lower end of the extrusion plate 55.

[0070] Specifically, the third driving member 53 is used to drive the lead screw 543 to move along the first direction through the lead screw transmission member 54, thereby driving the extrusion plate 55 to slide in the fertilization box 3 through the lead screw 543.

[0071] The screw transmission member 54 also includes two second driving wheels 541 and two second driven wheels 542; the two second driving wheels 541 are arranged at intervals along the first direction at the power output end of the third driving member 53; the two second driven wheels 542 are meshed with the two second driving wheels 541 in a one-to-one manner; the second driven wheel 542 is an annular structure, and an internal thread is provided on the inner circumferential wall of the annular structure, and the two second driven wheels 542 are connected to the two screws 543 in a one-to-one manner through the internal thread.

[0072] It should be understood that the power output end of the third driving member 53 drives the two second driving wheels 541 to rotate, and the two second driven wheels 542 rotate accordingly, thereby driving the corresponding screw 543 to move along the first direction, and then driving the extrusion plate 55 to squeeze the fertilizer in the fertilization box 3.

[0073] Preferably, the first driving member 41 , the second driving member 51 and the third driving member 53 are driving motors.

[0074] See also Figure 1 In some possible embodiments, the fertilization box 3 includes a fertilizer storage box 31 and a plurality of fertilizer distribution boxes 32; the fertilizer storage box 31 is arranged on the body 1 and extends along the second direction; the plurality of fertilizer distribution boxes 32 are arranged at intervals at the bottom of the fertilizer storage box 31 along the second direction, and are placed on the side of the fertilizer storage box 31 close to the trenching shovel; a fertilizer outlet 322 is provided at the bottom of each fertilizer distribution box 32.

[0075] Specifically, the rotating shaft 43 of the crushing assembly 4 is arranged in the fertilizer storage box 31, and is placed in front of the fertilizer storage box 31 near the trenching shovel, and the lower end extends into the corresponding fertilizer distribution box 32. The extrusion assembly 5 is placed at the rear side of the fertilizer storage box 31 away from the trenching shovel, and the extrusion plate 55 slides from the rear side of the fertilizer storage box 31 to the upper end of the fertilizer distribution box 32 to squeeze the fertilizer at the rear side of the fertilizer storage box 31 into the corresponding fertilizer distribution box 32.

[0076] See also Figure 1 In some embodiments, the fertilizer distribution box 32 has an inclined plate 321 on the side away from the trenching shovel, and the lower direction of the inclined plate 321 is inclined toward the trenching shovel.

[0077] By setting the rear side plate of the fertilizer distribution box 32 as an inclined plate 321, the fertilizer falls along the inclined plate 321, thereby preventing the fertilizer from piling up on the rear side of the fertilizer storage box 31.

[0078] See also Figure 1 and Figure 3In some possible embodiments, a group of soil clearing components 6 are provided on the rear side of each shovel tooth 2 along the first direction, and the soil clearing components 6 are used to intercept the soil on both sides of the soil ditch.

[0079] The soil clearing assembly 6 is provided to intercept the soil on both sides of the ditch and prevent the soil on both sides from falling back into the ditch.

[0080] See also Figure 3 In some embodiments, the soil cleaning assembly 6 includes a connecting shaft 61 and a cutting plate 62; one end of the connecting shaft 61 is connected to the rear side of the shovel tooth 2, and the other end extends along the first direction; the cutting plate 62 is arranged at the extended end of the connecting shaft 61; the lower end of the cutting plate 62 extends downward to be flush with the shovel tooth 2; and the cutting plate 62 is inclined to one side from the middle of the shovel tooth 2 along the second direction.

[0081] The connecting shaft 61 is provided to connect the earth-cutting plate 62; the inclined earth-cutting plate 62 is provided to intercept the falling soil on one side to prevent the soil from falling back into the earth ditch.

[0082] Specifically, the cutting plate 62 is inclined from the middle of the shovel tooth 2 along the second direction to the left side of the machine body 1; optionally, the cutting plate 62 is inclined from the middle of the shovel tooth 2 along the second direction to the right side of the machine body 1. It should be understood that the two sides of the machine body 1 along the second direction are the left and right sides.

[0083] Optionally, two earth-cutting plates 62 are symmetrically arranged on each connecting shaft 61 to intercept the soil on both sides simultaneously.

[0084] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A trenching fertilizer spreading machine, characterized in that: include: A machine body, wherein a moving direction of the machine body is defined as a first direction, and a left-right direction of the machine body is defined as a second direction; A trenching shovel is provided on the machine body and extends along the second direction; the trenching shovel comprises a plurality of shovel teeth arranged at intervals along the second direction; A fertilizing device is arranged on the machine body; the fertilizing device comprises a fertilizing box located at the rear side of the trenching shovel along the first direction, the fertilizing box is provided with a plurality of fertilizer outlets corresponding to the plurality of shovel teeth one by one, and the fertilizer outlets extend downward to the bottom close to the shovel teeth; A branch crushing assembly is arranged in the fertilizing device; the branch crushing assembly has a plurality of crushing ends corresponding to the plurality of fertilizer outlets, the crushing ends extend downward from the corresponding fertilizer outlets, and are provided with rotating blades; The extrusion assembly is arranged on the side of the fertilizer box away from the trenching shovel; the extrusion assembly includes an extrusion plate, which is slidably connected to the fertilizer box along the first direction; the extrusion assembly also includes a second driving member, two chain transmission members, a third driving member and two screw transmission members; the second driving member is arranged at the upper rear of the fertilizer box; the second driving member includes a driving shaft arranged at the rear side of the fertilizer box, and the driving shaft extends downward to the bottom of the fertilizer box; the two chain transmission members are arranged at intervals at the top and bottom of the fertilizer box, and the driving wheels of the chain transmission members are connected to the driving shaft; the driving wheels at the top The transmission chain of the chain transmission member is detachably connected to the upper end of the extrusion plate passing through the fertilizer box, and the transmission chain of the chain transmission member located at the bottom is magnetically connected to the lower end of the extrusion plate placed on the fertilizer box; the third driving member is arranged on the rear side of the fertilizer box; the active ends of the two screw transmission members are connected to the power output end of the third driving member; the screw transmission member includes two screws spaced apart and arranged in parallel up and down; the screw located at the top is rotatably connected to the upper end of the extrusion plate passing upward through the fertilizer box, and the screw located at the bottom is horizontally inserted into the fertilizer box and is rotatably connected to the lower end of the extrusion plate; Among them, each of the shovel teeth is provided with a group of soil clearing components on the rear side along the first direction, and the soil clearing components are arranged on the front side of the fertilizer outlet to intercept the soil on both sides of the ditch; the soil clearing components include a connecting shaft and a soil cutting plate; one end of the connecting shaft is connected to the rear side of the shovel tooth, and the other end extends along the first direction; the soil cutting plate is arranged at the extended end of the connecting shaft; the lower end of the soil cutting plate extends downward to be flush with the shovel tooth; and the soil cutting plate is inclined to one side from the middle of the shovel tooth along the second direction.

2. The trenching fertilizer spreading machine according to claim 1, characterized in that: The shredding component comprises: A first driving member is fixed to the machine body and is disposed on the top of the fertilizer box; A gear transmission member, the driving end of which is connected to the power output end of the first driving member; the gear transmission member has a plurality of driven ends corresponding to the plurality of fertilizer outlets one by one up and down; A plurality of sets of rotating shafts are connected to the plurality of driven ends in a one-to-one correspondence; the lower end portion of the rotating shaft extends out of the fertilizer outlet and forms the crushing end.

3. The trenching fertilizer spreading machine according to claim 2, characterized in that: The rotating shaft is provided with a spiral blade, and the spiral blade is located in the fertilizer box and close to the crushing end; the spiral blade is used for conveying the fertilizer in the fertilizer box.

4. The trenching fertilizer spreading machine according to claim 1, characterized in that: The fertilization box comprises: A fertilizer storage box is arranged on the machine body and extends along the second direction; A plurality of fertilizer distribution boxes are arranged at intervals at the bottom of the fertilizer storage box along the second direction and are placed on a side of the fertilizer storage box close to the trenching shovel; a fertilizer outlet is provided at the bottom of each fertilizer distribution box.

5. The trenching fertilizer spreading machine according to claim 4, characterized in that: The side of the fertilizer distribution box away from the trenching shovel is an inclined plate, and the lower direction of the inclined plate is inclined close to the trenching shovel.

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