A reversible plough capable of switching between on-land and under-land working modes

Abstract

The application discloses a turnover plough capable of switching on-land and under-land working modes, wherein the middle part of a plough head assembly is connected with a turnover block, and a turnover oil cylinder is installed on the plough head assembly; a center connecting rod connecting a beam is arranged on the rotation axis of the turnover block, and the center connecting rod is connected with the turnover block and the beam respectively; a switching oil cylinder is connected with the turnover block on one side of the center connecting rod, and the other end of the switching oil cylinder is connected with a connecting rod extension seat on the center connecting rod; first under-land positioning holes, second under-land positioning holes and on-land positioning holes are respectively formed in the turnover block on the other side of the center connecting rod, and are used for fixing beam fixing holes on the front end of the beam or front end clamping plate fixing holes on a front end clamping plate of the beam. The application can switch among the under-land narrow wheel track ploughing mode, the under-land wide wheel track ploughing mode and the on-land ploughing mode through the extension and retraction of the switching oil cylinder, and can also adjust the deflection angle of the beam through manual adjustment of a fine adjustment screw rod, so that the application has a wider application space.

Description

Technical Field

[0001] This invention relates to the field of agricultural machinery and equipment, and specifically to a reversible plow capable of switching between on-table and off-table working modes. Background Technology

[0002] Current reversible plows or adjustable plows all use hydraulic adjustment to adjust the angle of the plowshare beam and the tillage width by adjusting the connecting rod of the plow head assembly. However, the complex hydraulic adjustment structure also increases the maintenance cost of the adjustable plow, makes it impossible to guarantee the vertical accuracy between the plowshare and the plow head assembly, and increases the difficulty of maintenance. Therefore, the simple and easy-to-adjust pure manual adjustment structure still has its necessity, which reduces the operating cost for operators. Summary of the Invention

[0003] To address the aforementioned problems, this invention provides a reversible plow capable of switching between platform and off-platform working modes. This not only allows for adjusting the distance between the main beam and the tractor wheels but also enables switching between platform and off-platform working modes.

[0004] The technical solution adopted in this invention is as follows: a reversible plow capable of switching between on-table and off-table working modes, comprising a plow head assembly, a reversible block, a central connecting rod, a main beam, a switching cylinder, a support wheel assembly, and a plow body; the reversible block is connected to the middle of the plow head assembly, and a reversible cylinder is installed on the plow head assembly for pulling the reversible block to rotate axially; a central connecting rod is provided on the rotation axis of the reversible block to connect the main beam, and the central connecting rod is connected to both the reversible block and the main beam; a switching cylinder is connected to the reversible block on one side of the central connecting rod, and the other end of the switching cylinder is connected to a connecting rod extension seat on the central connecting rod; a first under-table positioning hole, a second under-table positioning hole, and an on-table positioning hole are respectively opened on the reversible block on the other side of the central connecting rod for fixing the main beam fixing hole at the front end of the main beam or the front clamp fixing hole on the front clamp plate of the main beam; several plow bodies are sequentially installed on the main beam; the support wheel assembly is installed in the middle of the main beam.

[0005] Furthermore, a central clamping plate is provided in the middle of the main beam, and three adjustment holes are provided on the central clamping plate: a first lower adjustment hole, a second lower adjustment hole, and a top adjustment hole. A fine adjustment screw is provided between the connecting rod extension seat and the central clamping plate, and the two ends of the fine adjustment screw are respectively connected to one of the holes in the connecting rod extension seat, the first lower adjustment hole, the second lower adjustment hole, and the top adjustment hole.

[0006] Furthermore, the first lower positioning hole, the second lower positioning hole, and the upper positioning hole are each provided with three adjacent holes, which are used to fix the beam when the lead screw extends or shortens to cause the beam angle to deflect.

[0007] The beneficial effects of this invention are: the invention can switch between the under-platform narrow wheel track tillage mode, the under-platform wide wheel track tillage mode and the platform tillage mode by switching the extension and retraction of the hydraulic cylinder. At the same time, the deflection angle of the main beam can be adjusted by manually adjusting the fine adjustment screw, thus giving it a wider range of applications. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the under-platform narrow wheel spacing tillage mode of the present invention;

[0009] Figure 2 This is a schematic diagram of the under-platform wide-wheel-spacing tillage mode of the present invention;

[0010] Figure 3 This is a schematic diagram of the structure of the platform cultivation mode of the present invention;

[0011] In the diagram: 1-Plowhead assembly, 2-Tilting block, 2a-First lower positioning hole, 2b-Second lower positioning hole, 2c-Above-positioning hole, 3-Center connecting rod, 4-Switching cylinder, 5-Connecting rod extension seat, 6-Fine adjustment screw, 7-Plow body, 8-Middle clamping plate of main beam, 8a-First lower adjustment hole, 8b-Second lower adjustment hole, 8c-Above-adjustment hole, 9-Support wheel assembly, 10-Main beam, 11-Front end clamping plate of main beam, 12-Front end clamping hole, 13-Main beam fixing hole. Detailed Implementation

[0012] The invention will now be further described with reference to the accompanying drawings.

[0013] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0014] like Figures 1 to 3As shown, this invention is a platform-mounted / platform-mounted plow capable of switching between platform and platform (i.e., on-shore and off-shore) working modes. It includes a plowshare assembly 1, with a tilting block 2 rotatably connected to the center of the plowshare assembly 1. A tilting cylinder is mounted on the plowshare assembly 1 to pull the tilting block 2 to rotate 180° axially. A central connecting rod 3, connecting to a main beam 10, is provided on the rotation axis of the tilting block 2. The central connecting rod 3 is movably connected to both the tilting block 2 and the main beam 10. A switching cylinder 4 is movably connected to the tilting block 2 on one side of the central connecting rod 3. The other end of the switching cylinder 4 is connected to a connecting rod extension seat 5 on the central connecting rod 3. When the switching cylinder 4 extends or retracts to switch working modes, the main beam 10 translates with the central connecting rod 3 as the radius, and the front end of the main beam deflects in an arc. The main beam 10 has a central clamping plate 8 at its center. The central clamping plate 8 has three adjustment holes: a first lower adjustment hole 8a, a second lower adjustment hole 8b, and a higher adjustment hole 8c. The two ends of the fine-tuning screw 6 are connected to one of the holes in the connecting rod extension seat 5 and the first lower adjustment hole 8a, the second lower adjustment hole 8b, or the higher adjustment hole 8c. The flip block 2 on the other side of the central connecting rod 3 has a first lower positioning hole 2a, a second lower positioning hole 2b, and a higher positioning hole 2c. These are used to fix the main beam fixing hole 13 at the front end of the main beam 10 or the front clamping plate fixing hole 12 on the main beam front clamping plate 11 when adjusting the wheel track width in the lower working mode or switching between the upper and lower working modes. Each set of first lower positioning holes 2a, second lower positioning holes 2b, and higher positioning holes 2c has three adjacent holes for fixing the main beam 10 when the fine-tuning screw 6 extends or retracts to deflect the angle of the main beam 10. In actual production, several sets of positioning holes can be set on the tilting block on the other side of the central connecting rod. Each set of positioning holes can also include several holes, making the deflection and translation of the beam smoother. Several plow bodies 7 are installed sequentially on the beam 10, and a support wheel assembly 9 is installed in the middle of the beam 10.

[0015] like Figure 1 As shown, this invention is in the under-platform narrow wheel track tillage mode. In this mode, the switching cylinder 4 retracts, and the main beam 10 shifts to the left. When the main beam fixing hole 13 at the front end of the main beam aligns with the first under-platform positioning hole 2a, it is fixed with a pin. At this time, the rear end of the fine-tuning screw 6 corresponds to the first under-platform adjustment hole 8a and is fixed with a pin. If it is necessary to adjust the deflection angle of the main beam in the under-platform narrow wheel track tillage mode, the fine-tuning screw 6 needs to be manually adjusted so that the main beam fixing hole 13 corresponds to one of the three first under-platform positioning holes 2a, and then fixed with a pin.

[0016] like Figure 2As shown, this invention is in the under-platform wide wheel track tillage mode. In this mode, the switching cylinder 4 extends, and the main beam 10 shifts to the right. When the main beam fixing hole 13 at the front end of the main beam aligns with the second under-platform positioning hole 2b, it is fixed with a pin. At this time, the rear end of the fine-tuning screw 6 corresponds to the second under-platform adjustment hole 8b and is fixed with a pin. If it is necessary to adjust the deflection angle of the main beam in the under-platform wide wheel track tillage mode, the fine-tuning screw 6 needs to be manually adjusted so that the main beam fixing hole 13 corresponds to one of the three second under-platform positioning holes 2b, and then fixed with a pin.

[0017] like Figure 3 As shown, this invention is in platform tillage mode. In this mode, the switching cylinder 4 extends continuously, and the main beam 10 shifts to the upper right. When the front clamping plate fixing hole 12 on the front clamping plate 11 of the main beam aligns with the platform positioning hole 2c, it is fixed with a pin. At this time, the rear end of the fine-tuning screw 6 corresponds to the platform adjustment hole 8c and is fixed with a pin. If it is necessary to adjust the deflection angle of the main beam in platform tillage mode, the fine-tuning screw 6 needs to be manually adjusted so that the front clamping plate fixing hole 12 aligns with one of the three platform positioning holes 2c, and then fixed with a pin.

[0018] The above description is a further detailed explanation of the present invention in conjunction with specific preferred embodiments. It should not be considered that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all such deductions or substitutions should be considered to fall within the protection scope of the present invention.

Claims

1. A turnover plough capable of switching between on-land and off-land working modes, comprising a plough head assembly, a turnover block, a center connecting rod, a beam, a switching oil cylinder, a support wheel assembly and a plough body; the turnover block is connected to the middle part of the plough head assembly, and a turnover oil cylinder is installed on the plough head assembly for pulling the turnover block to rotate axially; a center connecting rod connecting the beam is arranged on the rotation axis of the turnover block, and the center connecting rod is connected to the turnover block and the beam respectively; a switching oil cylinder is connected to the side of the turnover block of the center connecting rod, and the other end of the switching oil cylinder is connected to a connecting rod extension seat on the center connecting rod; the turnover block on the other side of the center connecting rod is provided with a first off-land positioning hole, a second off-land positioning hole and an on-land positioning hole, which are used for fixing a beam fixing hole at the front end of the beam or a front end clamping plate fixing hole on a front end clamping plate; the first off-land positioning hole, the second off-land positioning hole and the on-land positioning hole are respectively provided with three adjacent holes for fixing when the angle of the beam is deflected by fine adjustment of the extension or shortening of a lead screw; a plurality of plough bodies are sequentially installed on the beam; the support wheel assembly is installed on the middle part of the beam; the middle part of the beam is provided with a beam middle clamping plate, and the beam middle clamping plate is provided with three adjusting holes, namely a first off-land adjusting hole, a second off-land adjusting hole and an on-land adjusting hole; a fine adjustment lead screw is arranged between the connecting rod extension seat and the beam middle clamping plate, and the two ends of the fine adjustment lead screw are respectively connected to the connecting rod extension seat and one of the first off-land adjusting hole, the second off-land adjusting hole and the on-land adjusting hole.

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