A type of boat-shaped rotary tiller

Abstract

This utility model discloses a boat-type rotary tiller, relating to the field of agricultural tillage machinery technology. It includes a tractor head and a rotary tillage device disposed on one side of the tractor head, as well as a mudguard disposed on the side of the machine casing away from the tractor head. The top of the mudguard is provided with a sleeve, in which a connecting shaft is installed and can rotate freely. The machine casing is provided with an adjustment component for adjusting the operating angle of the mudguard. A flat plate is fixedly connected to the bottom of the mudguard. The machine casing is provided with a treatment component for treating mud piles formed by unilateral accumulation on the mudguard. Through the setting of the treatment component, this utility model enables the mudguard to reciprocate laterally during forward movement. Compared to a fixed mudguard, this reciprocating lateral movement creates a slight vortex in the surrounding mud and water, breaking up "local water flow dead zones."

Description

Technical Field

[0001] This utility model relates to the field of agricultural tillage machinery technology, specifically to a boat-type rotary tiller. Background Technology

[0002] In agricultural production, the boat-type rotary tiller, with its core advantages of "hull buoyancy support + rotary tillage blade operation," has become a key piece of equipment for tilling muddy fields in southern rice-producing areas and aquatic crop planting bases. By floating on the surface of the paddy field with its hull, and working in conjunction with the rotating cutting action of the rotary tillage blades, it breaks up the soil, removes slurry, and levels the field surface. This effectively solves the problem of traditional wheeled tractors easily slipping and sinking in deep muddy paddy fields, and it has been widely used in paddy field tillage scenarios in family vegetable gardens, small-scale farms, and facility agriculture.

[0003] As a core auxiliary component of the boat-type rotary tiller, the rotary tiller blade guard plays a crucial role in "guiding soil flow, controlling mud and water splashing, and optimizing the slurry-making effect." Its arc-shaped structure blocks mud and water kicked up by the rotating blades, preventing them from splashing into the machine and damaging components. Simultaneously, it guides the broken soil and water to mix, forming a uniform slurry layer, creating shallow, flat, and even tillage conditions for subsequent rice transplanting or direct seeding. However, existing boat-type rotary tillers generally use a fixed installation structure for their arc-shaped mudguards (directly fixed to one side of the guard with bolts), allowing them to move forward synchronously with the machine. When operating in deep paddy fields, the soil turned up by the rotary tillers easily accumulates on one side of the mudguard, forming a "mud heap." At the same time, the water flow is affected by the fixed obstruction, creating localized eddies, resulting in unevenness on the field surface. After tillage, manual leveling with a scraper is required, thus reducing the efficiency of paddy field tillage.

[0004] Therefore, a new type of boat-shaped rotary tiller is urgently needed to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a boat-type rotary tiller that can reduce the probability of soil turned up by the rotary tiller accumulating on one side of the mudguard to form a "mud mound" in order to improve the flatness of the paddy field tillage, in order to address the shortcomings of the existing technology.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a boat-type rotary tiller, including a tractor head and a rotary tillage device disposed on one side of the tractor head. The rotary tillage device includes a housing, and a rotating shaft is rotatably connected between two opposing inner walls of the housing. The rotating shaft sidewall is provided with multiple sets of soil breaking components, each set of soil breaking components consisting of multiple soil breaking blades arranged in a ring array. It also includes a mudguard disposed on the side of the housing away from the tractor head. The top of the mudguard is provided with a sleeve, and a connecting shaft is installed in the sleeve and can rotate freely around the connecting shaft. The housing is provided with an adjustment component for adjusting the use angle of the mudguard. A flat plate is fixedly connected to the bottom of the mudguard. The housing is provided with a treatment component for treating the "mud pile" formed by the mudguard accumulating on one side.

[0007] The processing assembly includes fixing holes on both sides of the housing. The fixing holes are connected to processing rods via guide components. One end of the processing rod is connected to a connecting shaft. The other end of one processing rod is fixedly connected to a processing plate. The housing is provided with a drive assembly and a rotation assembly for driving the processing plate.

[0008] Furthermore, the guiding assembly includes a plurality of guide grooves arranged in a ring array on the side wall of the processing rod, each guide groove being slidably connected to a guide plate, and the side of each guide plate that is far apart from each other being connected to the inner wall of the fixing hole.

[0009] Furthermore, the drive assembly includes an L-shaped plate fixedly connected to the housing near the processing rod. A mounting plate is fixedly connected to the side of the L-shaped plate near the processing plate. A rotating shaft is rotatably connected to the mounting plate. A drive shaft is fixedly connected to the rotating shaft. A return plate is slidably connected to the side of the drive shaft away from the mounting plate. A drive pin is slidably connected inside the return plate. An adjustment assembly for adjusting the driving amplitude of the drive pin is provided on the drive shaft. The end of the processing plate away from the processing rod is connected to the return plate.

[0010] Furthermore, the adjustment assembly includes an adjustment hole opened on the side of the drive shaft near the guide plate, an adjustment block is slidably connected to the adjustment hole, one end of the drive pin is connected to the adjustment block, a threaded rod is provided in the adjustment hole, the adjustment block is threadedly connected to the threaded rod, one end of the threaded rod passes through the drive shaft and has an adjustment groove with a regular hexagonal shape.

[0011] Furthermore, the rotating assembly includes a rotating rod rotatably connected to the L-shaped plate, a worm gear fixedly connected to the side wall of the rotating rod, a first rotating disk fixedly connected to the side wall of the rotating rod, one end of the rotating shaft penetrating the housing and fixedly connected to a second rotating disk, the first rotating disk and the second rotating disk being connected by a transmission belt, and a worm wheel fixedly connected to the side wall of the drive shaft column, the worm wheel being meshed with the worm gear.

[0012] Furthermore, the adjustment assembly includes two guide rails fixedly connected to the side of the housing near the mudguard. Each guide rail is slidably connected to a U-shaped block. A connecting block is provided in the middle of the U-shaped block. The connecting block has an opening and an adjustment rod is installed. One end of the two adjustment rods is hinged to the mudguard. Multiple adjustment holes are provided on the two adjustment rods, and a bolt connector is inserted into one of the multiple adjustment holes.

[0013] Furthermore, rubber plates are provided on both sides of the housing opposite to the mudguard.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention, through the configuration of the processing components, enables the mudguard to reciprocate laterally during its forward movement, in conjunction with the driving and rotating components. Compared to the original fixed mudguard, the reciprocating lateral movement of the mudguard can create a slight eddy current in the surrounding mud and water, breaking the "local water flow dead zone". This reduces the likelihood of the soil turned up by the rotary tillage device accumulating on one side of the mudguard and forming a "mud pile", thereby improving the flatness of the paddy field tillage. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0017] Figure 2 for Figure 1 A schematic diagram showing the positional relationship between the processing components and the housing in the embodiment shown;

[0018] Figure 3 for Figure 1 A schematic diagram showing the positional relationship between the adjustment component and the housing in the embodiment shown;

[0019] Figure 4 for Figure 1 The schematic diagram of the drive component and rotation component in the embodiment shown is as follows;

[0020] Figure 5 for Figure 1 The diagram shows the structure of the adjustment component in the embodiment shown.

[0021] Figure 6 for Figure 1 A schematic diagram of the adjustment component structure in the embodiment shown.

[0022] Explanation of the reference numerals in the figure:

[0023] 101. Tractor head; 102. Housing; 103. Rotating shaft; 104. Soil-breaking component; 2. Mudguard; 3. Leveling plate; 401. Fixing hole; 402. Treatment rod; 403. Treatment plate; 501. Guide groove; 502. Guide plate; 601. L-shaped plate; 602. Mounting plate; 603. Rotating shaft; 604. Drive shaft; 605. Drive pin; 606. Reverse plate; 701. Adjusting hole; 702. Adjusting block; 703. Threaded rod; 801. Rotating rod; 802. Worm gear; 803. First rotating disk; 804. Second rotating disk; 805. Transmission belt; 806. Worm gear; 901. Guide rail; 902. U-shaped block; 903. Adjusting rod; 904. Connecting block; 905. Bolt connector. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1 to 6 This embodiment provides a boat-type rotary tiller, including a tractor head 101 and a rotary tillage device disposed on one side of the tractor head 101. The rotary tillage device includes a housing 102, and a rotating shaft 103 is rotatably connected between two opposing inner walls of the housing 102. The rotating shaft 103 has multiple sets of soil-breaking components 104 on its side wall. Each set of soil-breaking components 104 is composed of multiple soil-breaking blades arranged in a circular array. It also includes a mudguard 2 disposed on the side of the housing 102 away from the tractor head 101. The top of the mudguard 2 is provided with a sleeve, and a connecting shaft is installed in the sleeve and can rotate freely around the connecting shaft. The housing 102 is provided with an adjustment component for adjusting the use angle of the mudguard 2. A flat plate 3 is fixedly connected to the bottom of the mudguard 2. The housing 102 is provided with a treatment component for treating the "mud pile" formed by the accumulation on one side of the mudguard 2.

[0026] The processing assembly includes fixing holes 401 on both sides of the housing 102. The fixing holes 401 are connected to a processing rod 402 through a guide assembly. One end of the processing rod 402 is connected to a connecting shaft. The other end of one processing rod 402 is fixedly connected to a processing plate 403. The housing 102 is provided with a driving assembly and a rotating assembly for driving the processing plate 403.

[0027] It should be noted here that: through the configuration of the processing components, the mudguard 2, in cooperation with the drive and rotation components, makes the mudguard 2 reciprocate laterally during its forward movement. Compared with the original fixed mudguard 2, the reciprocating lateral movement of the mudguard 2 can create a slight vortex in the surrounding mud and water, breaking the "local water flow dead zone". This reduces the probability of the soil turned up by the rotary tillage device accumulating on one side of the mudguard 2 to form a "mud pile", thereby improving the flatness of the paddy field tillage.

[0028] It is worth noting that the travel wheels of the tractor head 101 shown in the picture are replaceable. When tilling in paddy fields, they can be replaced with impeller tires.

[0029] In this embodiment, the guiding component includes a plurality of guide grooves 501 arranged in a ring array on the side wall of the processing rod 402. Each guide groove 501 is slidably connected to a guide plate 502, and the side of each guide plate 502 that is far away from each other is connected to the inner wall of the fixing hole 401.

[0030] It should be noted here that the guide component provides guidance and limiting for the reciprocating movement of the processing rod 402.

[0031] In this embodiment, the driving assembly includes an L-shaped plate 601 fixedly connected to the side of the housing 102 near the processing rod 402. A mounting plate 602 is fixedly connected to the side of the L-shaped plate 601 near the processing plate 403. A rotating shaft 603 is rotatably connected to the mounting plate 602. A driving shaft 604 is fixedly connected to the rotating shaft 603. A return plate 606 is slidably connected to the side of the driving shaft 604 away from the mounting plate 602. A driving pin 605 is slidably connected inside the return plate 606. An adjustment assembly for adjusting the driving amplitude of the driving pin 605 is provided on the driving shaft 604. The end of the processing plate 403 away from the processing rod 402 is connected to the return plate 606.

[0032] It should be noted here that the drive component is configured to drive the processing lever 402 to move laterally in a reciprocating manner.

[0033] In this embodiment, the adjustment assembly includes an adjustment hole 701 opened on the side of the drive shaft 604 near the U-shaped plate 606. An adjustment block 702 is slidably connected to the adjustment hole 701. One end of the drive pin 605 is connected to the adjustment block 702. A threaded rod 703 is provided in the adjustment hole 701. The adjustment block 702 is threadedly connected to the threaded rod 703. One end of the threaded rod 703 passes through the drive shaft 604 and has an adjustment groove with a regular hexagonal shape.

[0034] It should be noted here that: by adjusting the component settings, during the rotation of the threaded rod 703, the threaded meshing transmission between the threaded rod 703 and the adjusting block 702, as well as the guiding action of the adjusting hole 701, will be used to adjust the distance between the drive pin 605 and the center of the drive shaft 604, thereby changing the circumferential trajectory of the drive pin 605, which in turn changes the circumferential rotation amplitude of the return plate 606, thus changing the reciprocating movement amplitude of the processing plate 403.

[0035] In this embodiment, the rotating assembly includes a rotating rod 801 rotatably connected to an L-shaped plate 601. A worm gear 802 is fixedly connected to the side wall of the rotating rod 801. A first rotating disk 803 is fixedly connected to the side wall of the rotating rod 801. One end of the rotating shaft 103 passes through the housing 102 and is fixedly connected to a second rotating disk 804. The first rotating disk 803 and the second rotating disk 804 are connected by a transmission belt 805. A worm wheel 806 is fixedly connected to the side wall of the drive shaft 604. The worm wheel 806 and the worm gear 802 are meshed with each other.

[0036] It should be noted that by setting up the rotating component, the rotation of the rotating shaft 103 provides power for the reciprocating lateral movement of the mudguard 2, thereby reducing power expenditure and lowering the energy cost of paddy field tillage.

[0037] In this embodiment, the adjustment component includes two guide rails 901 fixedly connected to the side of the housing 102 near the mudguard 2. The two guide rails 901 are slidably connected to U-shaped blocks 902. A connecting block 904 is provided in the middle of the U-shaped block 902. The connecting block 904 has an opening and an adjustment rod 903 is installed. One end of the adjustment rod 903 is hinged to the mudguard 2. The adjustment rod 903 has multiple adjustment holes, and a bolt connector 905 is inserted into one of the multiple adjustment holes.

[0038] It should be noted here that by adjusting the components, the angle of the mudguard 2 can be adjusted by utilizing the blocking effect between the adjusting hole on the adjusting rod 903 and the bolt connector 905.

[0039] It is worth noting that the mudguard 2 is rotatably connected to the connecting shaft, while the connecting shaft is slidably connected to the housing 102, and rubber plates 2 are provided on both sides of the housing 102 and the mudguard 2.

[0040] Working principle: When tilling the paddy field, the tractor head 101 first brings the rotary tiller to the paddy field synchronously. Then, the movement of the tractor head 101 and the rotation of the rotating shaft 103 drive each set of soil breaking parts 104 to rotate during the movement. Under the rotational cutting action of each set of soil breaking parts 104, the soil of the paddy field is broken up.

[0041] Furthermore, during the rotation of the rotating shaft 103, the transmission action of the transmission belt 805 will drive the worm 802 on the side wall of the rotating rod 801 to rotate. Then, under the meshing transmission action of the worm 802 and the worm wheel 806, the drive shaft 604 at one end of the rotating shaft 603 will rotate. During the rotation of the drive shaft 604, the drive pin 605 will rotate synchronously.

[0042] During the rotation of the drive pin 605, the interaction force between the drive pin 605 and the return plate 606, as well as the guiding action of the guide component, will drive the processing rod 402 at one end of the processing plate 403 to move reciprocally. This will cause the mudguard 2 on the side wall of the connecting shaft to move reciprocally laterally during its forward movement. Compared with the original fixed mudguard 2, the reciprocating lateral movement of the mudguard 2 can create a slight vortex in the surrounding mud and water, breaking the "local water flow dead zone". This reduces the probability of the soil turned up by the rotary tillage device accumulating on one side of the mudguard 2 to form a "mud pile", thereby improving the flatness of the paddy field tillage.

[0043] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A boat-type rotary tiller, comprising a tractor head and a rotary tillage device disposed on one side of the tractor head, the rotary tillage device comprising a housing, a rotating shaft rotatably connected between two opposing inner walls of the housing, and multiple sets of soil-breaking components provided on the side wall of the rotating shaft, each set of soil-breaking components consisting of multiple soil-breaking blades arranged in a circular array, characterized in that: It also includes a mudguard located on the side of the housing away from the tractor head. The top of the mudguard is provided with a sleeve, and a connecting shaft is installed in the sleeve and can rotate freely around the connecting shaft. The housing is provided with an adjustment component for adjusting the use angle of the mudguard. A flat plate is fixedly connected to the bottom of the mudguard. The housing is provided with a treatment component for treating the "mud pile" formed by the mudguard accumulating on one side. The processing assembly includes fixing holes on both sides of the housing. The fixing holes are connected to processing rods via guide components. One end of the processing rod is connected to a connecting shaft. The other end of one processing rod is fixedly connected to a processing plate. The housing is provided with a drive assembly and a rotation assembly for driving the processing plate.

2. A boat cultivator according to claim 1, characterized in that: The guiding assembly includes multiple guide grooves arranged in a ring array on the side wall of the processing rod. Each guide groove is slidably connected to a guide plate, and the side of each guide plate that is far away from each other is connected to the inner wall of the fixing hole.

3. A boat cultivator according to claim 1 or 2, characterised in that: The drive assembly includes an L-shaped plate fixedly connected to the housing near the processing rod. A mounting plate is fixedly connected to the L-shaped plate near the processing plate. A rotating shaft is rotatably connected to the mounting plate. A drive shaft is fixedly connected to the rotating shaft. A return plate is slidably connected to the drive shaft away from the mounting plate. A drive pin is slidably connected inside the return plate. An adjustment assembly for adjusting the driving amplitude of the drive pin is provided on the drive shaft. The end of the processing plate away from the processing rod is connected to the return plate.

4. A boat cultivator according to claim 3, characterised in that: The adjustment assembly includes an adjustment hole on the side of the drive shaft near the guide plate. An adjustment block is slidably connected to the adjustment hole. One end of the drive pin is connected to the adjustment block. A threaded rod is provided in the adjustment hole. The adjustment block is threaded to the threaded rod. One end of the threaded rod passes through the drive shaft and has an adjustment groove with a regular hexagonal shape.

5. A boat cultivator according to claim 4, characterised in that: The rotating assembly includes a rotating rod rotatably connected to an L-shaped plate, a worm gear fixedly connected to the side wall of the rotating rod, a first rotating disk fixedly connected to the side wall of the rotating rod, one end of the rotating shaft passing through the housing and fixedly connected to a second rotating disk, the first rotating disk and the second rotating disk being connected by a transmission belt, and a worm wheel fixedly connected to the side wall of the drive shaft, the worm wheel being meshed with the worm gear.

6. A boat cultivator according to claim 5, characterised in that: The adjustment assembly includes two guide rails fixedly connected to the side of the housing near the mudguard. Each guide rail is slidably connected to a U-shaped block. A connecting block is provided in the middle of the U-shaped block. The connecting block has an opening and an adjustment rod is installed. One end of the two adjustment rods is hinged to the mudguard. Multiple adjustment holes are provided on the two adjustment rods. A bolt connector is inserted into one of the multiple adjustment holes.

7. A boat cultivator according to claim 6, characterised in that: Rubber plates are provided on both sides of the casing opposite to the mudguard.

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