FRESADORA E IMPLEMENTO PREPARATÓRIO DE LEITO PARA PLANTIO

Description

1 / 12 Milling machine and bed preparation implement for planting.

[001] The present invention relates to a milling machine for soil turning.

[002] The present invention also relates to a soil preparation line unit, with simultaneous fertilization, used for establishing agricultural crops by vegetative propagation. Description of the State of the Art

[003] The installation of agricultural crops using seedlings, such as sugarcane cultivation, has been expanding, generating demand for machines suitable for preparing a bed for this purpose, preferably with higher speed operation and the fewest possible interruptions during operation.

[004] Various constructive forms for soil disturbance can be observed in the state of the art: BR112016001881; US7444948; BR102015028241; BR202018014062; PI0204930, among others.

[005] Planting pre-sprouted seedlings, usually wrapped in substrate, requires the preparation of a specific bed to receive said seedlings; which are generally introduced vertically into the soil (erect) and therefore need their roots to be quickly and completely surrounded by loose soil.

[006] In this context, the need for an implement capable of preparing the bed for planting seedlings was observed, capable of performing all the necessary operations with greater agility. Objectives of the Invention

[007] A primary objective of the present invention is to provide a milling machine capable of vertically turning over the soil in a strip with defined width and depth.

[008] A second objective of the present invention is to provide an implement capable of performing cutting operations in a single pass. Petition 870250006859, dated 01 / 28 / 2025, page 11 / 36 2 / 12 vertical tillage from the ground, opening of a narrow furrow, application of fertilizer, soil tilling, clod breaking, and surface finishing. Brief Description of the Invention

[009] The present invention relates to a milling machine comprising a milling machine shaft that has associated, at its lower end, a sleeve to which milling blades are attached and whose upper end is coupled to a gearbox, wherein the gearbox is associated with a hydraulic motor.

[0010] In one embodiment, the milling machine comprises a milling machine housing comprising a first cylindrical portion enclosing the milling spindle and a second circular portion enclosing the gearbox, wherein the circular portion and the cylindrical portion have parallel axial directions and the circular portion projects from the side of the upper end of the cylindrical portion.

[0011] In another embodiment, milling machine blades comprise L-shaped metal rods with a sharpened first end and at least one pair of holes and a second pair of holes at its opposite end.

[0012] In another embodiment, it comprises a circular sleeve provided with a central hole, through which it is associated with the lower end of the milling machine shaft, and provided with holes around the central hole for the association of the milling machine blades, wherein the sleeve 1150 is disposed at the lower end of the cylindrical portion, it further comprises a dust holder positioned at the lower end of the cylindrical portion and above the sleeve.

[0013] The present invention also relates to a seedbed preparation implement for planting comprising a rear row support that has associated with its rear region a first end of an upper row support and a first end of a lower row support, a cutting device that is associated with the second Petition 870250006859, dated 01 / 28 / 2025, page 12 / 36 3 / 12 end of the upper row support and the second end of the lower row support, a roller assembly that is associated with the front region of the rear row support, wheel supports that are associated with the side regions of the rear row support and a scarifying rod that is associated with the central region of the rear row support projecting towards the ground, also comprises a milling machine, as described above, that is associated with the front region of the rear row support.

[0014] In one embodiment, the cutting device comprises a cutting disc pivotally associated with one end of a disc arm comprising two parallel arc-shaped rods, wherein the disc arm has associated, perpendicularly to its other end, a pressure device, and, from the disc support, a cylindrical support projects perpendicularly and in front of the pressure device.

[0015] In another embodiment, the rear line support comprises two vertical plates in an “L” shape joined together, parallel to each other, by their vertical portion and gradually moving apart along their horizontal portion, the rear line support further comprises a third horizontal plate positioned between the horizontal portion of the vertical plates, wherein the vertical portion is provided with a first set of holes for joining and the horizontal portion is provided with a second set of holes for joining, wherein the horizontal plate is provided with a first slot in its front portion and a second slot in its central portion.

[0016] In another embodiment, each wheel assembly comprises wheels associated with one end of wheel arms, wherein the wheel arms comprise an “L”-shaped rod with holes in its vertical portion, wherein the wheel arms are associated with the rear line support by means of wheel supports and a lock. Petition 870250006859, dated 01 / 28 / 2025, p. 13 / 36 4 / 12 of the support, wherein the first wheel support and support lock are arranged on opposite sides of the first vertical plate and the second wheel support and support lock are arranged on opposite sides of the second vertical plate.

[0017] In another embodiment, the roller assembly comprises a roller associated with a first end of roller arms, wherein the roller arms comprise rods having means of connection at their second end, a joint and a spring having a first end connected to the joint and a second end connected to the end of the roller arms to which the roller is connected.

[0018] In another embodiment, the upper line support and the lower line support are associated with the cutting device by means of the split lock comprising a front portion and a rear portion, wherein the rear ends of the upper line support and the lower line support are associated with the front portion of the split lock, the front portion of the split lock is associated with the rear portion of the split lock, wherein the rear portion of the split lock is provided with a ring by means of which it is inserted into the cylindrical support. Brief Description of the Drawings

[0019] The present invention will now be described in more detail based on an exemplary embodiment shown in the drawings. The figures show:

[0020] Figure 1 - is an exploded view of the bed preparation implement for planting in a preferred embodiment;

[0021] Figure 2 - is a side view of the bed preparation implement for planting in a preferred configuration;

[0022] Figure 3 - is an isometric view of the bed preparation implement for planting in a preferred configuration;

[0023] Figure 4A - is a first isometric view of the support Petition 870250006859, dated 01 / 28 / 2025, page 14 / 36 5 / 12 rear line in a preferred mode;

[0024] Figure 4B - is a second isometric view of the rear line support in a preferred embodiment;

[0025] Figure 4C - is a third isometric view of the rear line support in a preferred embodiment;

[0026] Figure 4D - is a front view of the rear line support in a preferred embodiment;

[0027] Figure 4E - is a side view of the rear line support in a preferred embodiment;

[0028] Figure 5 - is a side view in section of the milling machine in a preferred embodiment;

[0029] Figure 6A - is a first isometric view of the milling machine in a preferred embodiment;

[0030] Figure 6B - is a second isometric view of the milling machine in a preferred embodiment;

[0031] Figure 6C - is a top view of the milling machine in a preferred embodiment;

[0032] Figure 6D - is a side view of the milling machine in a preferred embodiment; and

[0033] Figure 6E - is a bottom view of the milling machine in a preferred embodiment. Detailed Description of the Figures

[0034] First, it should be noted that the term “preferred” used here refers to a particular efficient embodiment of the invention among the multiple possible embodiments. The term “preferred” should not be understood as limiting the possible embodiments of the present invention, that is, it should not be understood as “imperative” or “mandatory” for carrying out the present invention.

[0035] Figure 1 shows an exploded view of the implement. 1000 bed preparation implement for planting. The 1000 implement comprises Petition 870250006859, dated 01 / 28 / 2025, p. 15 / 36 6 / 12 of, preferably, a 1200 line rear support to which the other components are attached. The rear line support 1200 preferably comprises an “L”-shaped structure, formed by a pair of vertical plates 1210A and 1210B in an “L” shape, comprising a vertical portion 1201 and a horizontal portion 1202, and by a horizontal plate 1220. The vertical plates 1210A and 1210B are preferably provided with a first set of holes 1211 in their vertical portion 1201, to which are associated one end of an upper line support 1040 and one end of a lower line support 1030; they are also preferably provided with a second set of holes 1212 in their horizontal portion 1202, to which are associated a support lock 1060, wheel supports 1080A and 1080B, and a roller assembly 1010.The support lock 1060 is preferably positioned below the horizontal plate 1220 between the vertical plates 1210A and 1210B and is preferably provided with a set of upper holes and a set of lower holes. In the upper holes are inserted connection means that connect the support lock 1060 to the rear row support 1200 and the wheel supports 1080A and 1080B. In the lower holes is connected a scarifying rod 1020 that projects towards the ground. The horizontal plate 1220 is preferably provided with a first circular slot 1221 at its front end, to which a milling machine 1100 is connected, and is also preferably provided with a second oblong slot 1222 that allows variation in the vertical position and manipulation of the scarifying rod 1020.

[0036] The implement 1000 also comprises a cutting device 1070 which preferably comprises a cutting disc 1072 pivotally associated with the end of disc arms 1073, a pressure device 1071 and a cylindrical support 1074. The disc arms 1073 preferably comprise parallel rods that Petition 870250006859, dated 01 / 28 / 2025, page 16 / 36 7 / 12 comprise a first horizontal section and a second section curved towards the ground, the cutting discs 1072 being associated with the end of the curved portion of the arms 1073. At the opposite end of the arms 1073, preferably perpendicularly, is associated the pressure device 1071 which preferably comprises a helical spring around an axis. From an intermediate region of the arms 1073, near the transition between the horizontal and curved portions, projects the cylindrical support 1074.

[0037] The upper line support 1040 and the lower line support 1030, which have their front end connected to the rear line support 1200 by means of the first set of holes 1211, have their rear end preferably pivotally connected to a two-part lock 1050, which comprises a front portion 1051 and a rear portion 1052. The front portion 1051 preferably comprises a transverse face and two parallel side faces, wherein the parallel side faces are each provided with a hole at the upper end, by means of which it is connected to the upper line support 1040, and a hole at the lower end, by means of which it is connected to the lower line support 1030, the upper holes of each side face being coincident with each other and the lower holes of each side face being coincident with each other. The transverse face of the front portion 1051 is preferably provided with at least two holes that allow the connection of the front portion 1051 to the rear portion 1052.The rear portion 1052 preferably comprises a transverse face provided with at least two holes that allow the association of the rear portion 1052 with the front portion 1051 and further comprises a ring-shaped projection at the rear end, arranged so that the axis of the cylinder height is vertical, such ring-shaped projection is configured so that the cylindrical support 1074 can be fitted into it. Petition 870250006859, dated 01 / 28 / 2025, page 17 / 36 8 / 12

[0038] The implement 1000 also comprises a roller assembly 1010 which preferably comprises a roller 1011 pivotally associated with the first end of roller arms 1012, the roller arms 1012 preferably comprising rods provided with association means at their second end, by means of which it is associated with the second set of holes 1212 of the rear row support 1200, the roller arms 1012 are preferably provided with a joint 1013 in their central region and a spring 1014, which has a first end associated with the joint 1013 and a second end associated with the end of the roller arms 1012 to which the roller 1011 is associated, such configuration allows the roller assembly 1010 to maintain contact with the ground, tensioning the roller 1011 downwards but allowing it to follow the irregularities of the terrain.

[0039] Implement 1000 also comprises two sets of wheels 1090A and 1090B which preferably comprise wheel arms 1091A and 1091B which comprise L-shaped rods; the sets of wheels 1090A and 1090B further comprise wheels 1092A and 1092B which are associated with the end of the horizontal portion of the wheel arms 1091A and 1091B. The vertical portion of the wheel arms 1091A and 1091B is preferably provided with a plurality of holes for associating them with the wheel supports 1080A and 1080B; the plurality of holes allows the association to be made by varying the height of the wheels 1092A and 1092B, consequently altering the height of implement 1000 in relation to the ground.The L-shaped wheel supports 1080A and 1080B are externally positioned relative to the vertical plates 1210A and 1210B and connected to them by means of an association, inserted into the horizontal portion of the wheel supports 1080A and 1080B, in the second set of holes 1212 and in the support lock 1060 which is internally positioned relative to the vertical plates 1210A and 1210B. The arms are connected to the vertical portion of the wheel supports 1080A and 1080B. Petition 870250006859, dated 01 / 28 / 2025, page 18 / 36 9 / 12 wheels 1091A and 1091B.

[0040] Implement 1000 also includes a milling machine 1100 which is preferably associated with the first slot 1221 of the rear row support 1200. Note that the first slot 1221 has holes around its edge for the attachment of the milling machine 1100, which is done from the front of the first slot 1221. After removing the attachment means inserted in the holes around the edge of the first slot 1221, the milling machine 1100 is slid through the front opening of the first slot 1221, fitting the horizontal plate 1220 between a milling machine box 1190 and a sleeve 1150 which will be described in more detail later; this configuration makes the installation and removal of the milling machine 1100 simple and quick.

[0041] Figure 2 shows a side view of implement 1000 indicating each element in the assembly. In particular, the arrangement of the wheel assemblies 1090A and 1090B and their height in relation to the cutting disc 1072 and the scarifying rod 1020 can be observed. As described above, the connection between the wheel arms 1091A and 1091B and the rear row support 1200 is made by means of connections inserted into holes in the vertical portion of the wheel arms 1091A and 1091B. During installation, the choice of which holes to use can be made, thus varying the height of the wheels 1092A and 1092B in relation to implement 1000.

[0042] Figure 3 shows an isometric view of implement 1000, better illustrating the relative arrangement between the different elements.

[0043] Figure 4A, Figure 4B, Figure 4C, Figure 4D and Figure Figures 4E show the rear support of line 1200 in different views. Vertical plates 1210A and 1210B are indicated, preferably comprising a vertical portion 1201 and a horizontal portion 1202. Vertical plates 1210A and 1210B are associated with each other, parallel to each other. Petition 870250006859, dated 01 / 28 / 2025, page 19 / 36 10 / 12 naturally, in its vertical portions 1201 and moving away in the transition region between the vertical portion 1201 and the horizontal portion 1202, so that the horizontal portions 1202 are separated. The horizontal plate 1220 is preferably associated with the vertical plates 1210A and 1210B in the horizontal portion 1202 of the rear support of line 1200, the horizontal plate 1220 being arranged perpendicularly in relation to the vertical plates 1210A and 1210B and between them. The first circular slot 1221 at the front end of the horizontal plate 1220 and the second oblong slot 1222 in the central region of the horizontal plate 1220 are best seen. It can be observed, in particular in Figure 4A, Figure 4B and Figure 4C, that the front end of the horizontal plate 1220, around the first slot 1221, widens beyond the vertical plates 1210A and 1210B.In Figure 4E it is possible to observe in detail that the vertical plates 1210A and 1210B are equipped with a first set of holes 1211 in the vertical portion 1201, preferably aligned vertically and with one of the holes near the upper end, and are also equipped with a second set of holes 1212 in the horizontal portion 1202, preferably aligned horizontally.

[0044] Figure 5 shows a side cutaway view of the milling machine. 1100 where it is possible to identify its different elements. The milling machine 1100 preferably comprises a vertical milling shaft 1120, which has associated, at its lower end, the sleeve 1150 to which are associated milling blades 1160 and, associated at its upper end, a first gear 1131. The milling machine 1100 also comprises a gearbox 1130 comprising the first gear 1131 and a second gear 1132 coupled to the first gear 1131 so that the first and second gears 1131 and 1132 are aligned and with their axes of rotation parallel. The second gear 1132 is associated with the shaft of a hydraulic motor 1110 used to move the milling machine 1100. The milling machine Petition 870250006859, dated 01 / 28 / 2025, page 20 / 36 11 / 12 1100 further comprises a milling machine housing 1190 which preferably comprises a first cylindrical portion 1191 enclosing the milling machine shaft 1120 and a second circular portion 1192 enclosing the gearbox 1130. The circular portion 1192 and the cylindrical portion 1191 of the milling machine housing 1190 are configured such that they enclose, respectively, the second gear 1132 and the milling machine shaft 1120, with the circular portion 1192 projecting from the side of the upper end of the cylindrical portion 1191. At the top of the cylindrical portion 1191 is disposed a protective cover 1170 which protects the milling machine shaft 1120 and, at the lower end of the cylindrical portion 1191, is disposed the circular sleeve 1150 having a central hole through which it is joined to the lower end. from the milling machine shaft 1120. The sleeve 1150 has holes on its lower face for connecting the milling machine 1100 to the horizontal plate 1220.The 1100 milling machine also includes a dust holder 1140 positioned at the lower end of the cylindrical portion 1191 and above the sleeve 1150.

[0045] Figure 6A, Figure 6B, Figure 6C, Figure 6D and Figure Figures 6E show the milling machine 1100 in different views. The external configuration of the milling machine housing 1190 described previously and the arrangement of the gearbox 1130 in relation to the milling machine shaft 1120 can be observed. The milling machine blades 1160 are also visible on the lower part of the milling machine 1100 below the cylindrical portion 1191 and associated with the sleeve 1150. The milling machine blades 1160 preferably comprise L-shaped metal rods with a first sharpened end configured to project towards the ground to cut it as the implement 1000 moves. As can be seen more clearly in Figure 6E, the milling machine blades 1160 are provided with at least one first pair of holes 1161 and a second pair of holes 1162 at their second end, for the connection of the milling machine blades 1160 to the sleeve 1150, each pair of Petition 870250006859, dated 01 / 28 / 2025, page 21 / 36 12 / 12 holes 1161 and 1162 being positioned at a certain distance from the end of the shank, so that, during installation, it is possible to choose which pair of holes, 1161 or 1162, to associate the 1160 blades with the sleeve, thus altering the diameter of the milling machine and, consequently, the width of the working width.

[0046] Having described a preferred embodiment, it should be understood that the scope of the present invention encompasses other possible variations, being limited only by the content of the claims alone, including possible equivalents. Petition 870250006859, dated 01 / 28 / 2025, p. 22 / 36

Claims

1 / 4 CLAIMS 1. Milling machine (1100), characterized in that it comprises a milling machine shaft (1120) which has associated, at its lower end, a sleeve (1150) to which milling machine blades (1160) are associated and whose upper end is coupled to a gearbox (1130), wherein the gearbox (1130) is associated with a hydraulic motor (1110).

2. Milling machine (1100), according to claim 1, characterized in that it comprises a milling machine housing (1190) comprising a first cylindrical portion (1191) enclosing the milling machine shaft (1120) and a second circular portion (1192) enclosing the gearbox (1130), wherein the circular portion (1192) and the cylindrical portion (1191) have parallel axial directions and the circular portion (1192) projects from the side of the upper end of the cylindrical portion (1191).

3. Milling machine (1100), according to any of the preceding claims, characterized in that the milling machine blades (1160) comprise L-shaped metal rods having a first sharpened end and having at least a first pair of holes (1161) and a second pair of holes (1162) at its opposite end.

4. Milling machine (1100), according to any of the preceding claims, characterized in that it comprises a circular sleeve (1150) having a central hole, through which it is connected to the lower end of the milling machine shaft (1120), and having holes around the central hole for connecting the milling machine blades (1160), wherein the sleeve (1150) is disposed at the lower end of the cylindrical portion (1191), further comprising a dust holder (1140) positioned at the lower end of the cylindrical portion (1191) and above the sleeve (1150). Petition 870250006859, dated 01 / 28 / 2025, page 23 / 36 2 / 4 5. A planting bed preparation implement (1000), characterized in that it comprises a rear row support (1200) having associated with its rear region a first end of an upper row support (1040) and a first end of a lower row support (1030), a cutting device (1070) associated with the second end of the upper row support (1040) and the second end of the lower row support (1030), a roller assembly (1010) associated with the front region of the rear row support (1200), wheel supports (1080A, 1080B) associated with the side regions of the rear row support (1200), and a scarifying rod (1020) associated with the central region of the rear row support (1200) projecting towards the ground; it also comprises a milling machine (1100), as described in the preceding claims, associated with the front region of the rear row support. line (1200).

6. Bed preparation implement (1000) for planting, according to claim 5, characterized in that the cutting device (1070) comprises a cutting disc (1072) pivotally associated with one end of a disc arm (1073) comprising two parallel arch-shaped rods, wherein the disc arm (1073) has associated, perpendicularly to its other end, a pressure device (1071), and, from the disc support (1073) there also projects, perpendicularly and in front of the pressure device (1071), a cylindrical support (1074).

7. Bed preparation implement (1000) for planting, according to any of claims 5 or 6, characterized in that the rear row support (1200) comprises two vertical plates (1210A, 1210B) in an “L” shape joined together, parallel to each other, by their vertical portion (1201) and gradually diverging along their horizontal portion (1202), the rear row support (1200) Petition 870250006859, dated 01 / 28 / 2025, page. 24 / 36 3 / 4 further comprises a third horizontal plate (1220) positioned between the horizontal portion (1202) of the vertical plates (1210, 1210B), wherein the vertical portion (1201) is provided with a first set of holes (1211) for connection and the horizontal portion (1202) is provided with a second set of holes (1212) for connection, wherein the horizontal plate (1220) is provided with a first slot (1221) in its front portion and a second slot (1222) in its central portion.

8. Bed preparation implement (1000) for planting, according to any one of claims 5 to 7, characterized in that each set of wheels (1090A, 1090B) comprises wheels (1092A, 1092B) associated with one end of wheel arms (1091A, 1091B), wherein the wheel arms (1091A, 1091B) comprise an “L”-shaped rod with holes in its vertical portion, wherein the wheel arms (1091A, 1091B) are associated with the rear row support (1200) by means of wheel supports (1080A, 1080B) and a support lock (1060), wherein the first wheel support (1080A) and the support lock (1060) are arranged on opposite sides of the first vertical plate (1210A) and the second support The wheel (1080B) and the support lock (1060) are located on opposite sides of the second vertical plate (1210B).

9. Bed preparation implement (1000) for planting, according to any one of claims 5 to 8, characterized in that the roller assembly (1010) comprises a roller (1011) associated with a first end of roller arms (1012), wherein the roller arms (1012) comprise rods having means of association at their second end, a joint (1013) and a spring (1014) having a first end associated with the joint (1013) and a second end associated with the end of the roller arms (1012) to which the roller (1011) is associated.

10. Implement (1000) bed preparation for planting, from Petition 870250006859, dated 01 / 28 / 2025, page. 25 / 36 4 / 4 according to any of claims 5 to 9, characterized in that the upper line support (1040) and the lower line support (1030) are associated with the cutting device (1070) by means of the split lock (1050) comprising a front portion (1051) and a rear portion (1052), wherein the rear ends of the upper line support (1040) and the lower line support (1030) are associated with the front portion of the split lock (1051), the front portion of the split lock (1051) is associated with the rear portion of the split lock (1052), wherein the rear portion of the split lock (1052) is provided with a ring by means of which it is inserted into the cylindrical support (1074). Petition 870250006859, dated 01 / 28 / 2025, p. 26 / 36

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