Multi-stage scarifying tooth structure of farmland scarifier

Abstract

The utility model relates to the field of agricultural production, and discloses a multistage scarifying tooth structure of a farmland scarifier, which comprises a mounting frame, a scarifying sheet is arranged at the left end of the mounting frame, a scarifying mechanism is arranged on the inner side of the mounting frame, the scarifying mechanism comprises a rotating rod, the outer wall of the rotating rod is rotatably connected with a turntable, and the turntable is connected with a plurality of scarifying teeth. A fixing assembly is jointly arranged in the rotating disc and the rotating rod, a motor is fixedly connected to the outer wall of the mounting frame, an output shaft of the motor penetrates through the inner wall of the mounting frame and is fixedly connected with the front end of the rotating disc, and a control rod is fixedly connected to the rear end of the rotating disc. According to the utility model, through the arrangement of the soil loosening mechanism, the distance between the mounting wheels can be adjusted when a worker manually fixes the rotating disc and rotates the rotating rod at the same time, so that the total width of a soil loosening area can be adjusted according to actual requirements, and the soil loosening degree of a farmland can be ensured; and the time required for soil loosening is saved.

Description

Technical Field

[0001] This utility model relates to the field of agricultural production, and in particular to a multi-stage loosening tooth structure for a farmland loosening machine. Background Technology

[0002] A farmland loosening machine is a high-efficiency, multi-functional agricultural machine. It uses an electric motor or tractor to drive the loosening shovel to rotate or move, so as to loosen and break up the soil, improve soil structure and aeration. It is widely used in farmland, orchards and other places to improve soil water retention capacity and crop growth environment. It has the advantages of simplified construction process, reduced machinery, high productivity and good safety.

[0003] Because of the multi-stage loosening tooth structure design, the soil loosener can gradually penetrate into the soil during operation. Different levels of loosening teeth can loosen soil at different depths. Therefore, the current farmland loosener needs a multi-stage loosening tooth structure.

[0004] Because the soil hardness varies in different areas of farmland and the depth of soil clearing required for the crops being grown differs, when using a multi-stage loosening tooth structure, different tooth plates are often selected based on the soil conditions and the desired effect. While existing loosening tooth structures can achieve the effect of changing tooth plates of different diameters, in actual use, the loosening effect is poor when the tooth plates are far apart in some hard soils, while in some soft soils, the loosening time is longer when the tooth plates are close together due to the shorter single loosening distance, resulting in a waste of time and resources. Therefore, a multi-stage loosening tooth structure for a farmland loosening machine is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a multi-stage loosening tooth structure for a farmland loosening machine, which aims to improve the problem in the prior art that it is inconvenient to adjust the tooth spacing for different soil types, thus making it difficult to balance loosening effect and loosening time.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a multi-stage loosening tooth structure for a farmland loosening machine, including a mounting frame, a loosening plate at the left end of the mounting frame, a loosening mechanism on the inner side of the mounting frame, the loosening mechanism including a rotating rod, a turntable rotatably connected to the outer wall of the rotating rod, a fixing component shared by the interior of the turntable and the interior of the rotating rod, a motor fixedly connected to the outer wall of the mounting frame, the output shaft of the motor passing through the inner wall of the mounting frame and fixedly connected to the front end of the turntable, a control rod fixedly connected to the rear end of the turntable, an installation wheel slidably connected to the outer wall of the control rod, the installation wheel being disposed outside the rotating rod, a toothed plate on the outside of the installation wheel, an installation component shared by the inner side of the toothed plate and the interior of the installation wheel, a control ball fixedly connected to the inner wall of the installation wheel, a control groove opened on the outer wall of the rotating rod, and a support component shared by the rear end of the rotating rod and the interior of the mounting frame.

[0007] As a further description of the above technical solution:

[0008] The fixing component includes a pneumatic chamber, which is located on the inner wall of the rotating rod. A pressure block is piston-connected to the inner wall of the pneumatic chamber. A fixing ring is fixedly connected to the inner wall of the pneumatic chamber. The rear end of the fixing ring is elastically connected to the front end of the pressure block by a spring. A fixing block is piston-connected to the inner wall of the pneumatic chamber. A fixing hole is provided on the inner wall of the turntable.

[0009] As a further description of the above technical solution:

[0010] The support assembly includes a connecting wheel, the inner wall of which has a movable groove, and a locking block is slidably connected to the inner wall of the movable groove. The end of the locking block away from the middle of the connecting wheel is elastically connected to the inner wall of the movable groove by a second spring. The outer wall of the rotating rod has a locking groove, and a pull rope is fixedly connected to the end of the locking block near the second spring. A connecting piece is fixedly connected to the end of the pull rope away from the locking block.

[0011] As a further description of the above technical solution:

[0012] The mounting assembly includes a rotating groove, which is formed on the inner wall of the mounting wheel. A rotating wheel is rotatably connected to the inner wall of the rotating groove. An arc-shaped groove is formed on the inner wall of the rotating wheel. A driving rod is arranged inside the arc-shaped groove. The outer wall of the driving rod is slidably connected to the inner wall of the mounting wheel. An insert block is fixedly connected to the end of the driving rod away from the rotating groove. An insertion hole is formed on the inner side of the toothed plate.

[0013] As a further description of the above technical solution:

[0014] The inner wall of the rotating wheel is threaded through and connected to a threaded rod, and the threaded rod passes through the inner wall of the mounting wheel on the side away from the rotating groove.

[0015] As a further description of the above technical solution:

[0016] The front end of the air pressure chamber is connected to the outside, and the outer wall of the air pressure chamber near the rear side has multiple cylindrical holes.

[0017] As a further description of the above technical solution:

[0018] The control ball is disposed inside the control groove. The control ball is a sphere, and the width of the control groove matches the diameter of the control ball.

[0019] As a further description of the above technical solution:

[0020] The loosening sheet is detachably connected to the mounting frame by bolts. The number of loosening sheets is set to multiple, and the multiple loosening sheets are arranged in a linear array in the front-back direction.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by setting up a rotating rod, a turntable, a control rod, and mounting wheels, it is ensured that when the worker manually fixes the turntable and rotates the rotating rod, the distance between the mounting wheels can be adjusted, thereby ensuring that the total width of the loosening area can be adjusted according to actual needs, thus achieving the effect of saving the time required for loosening the soil while ensuring the degree of loosening of the farmland.

[0023] 2. In this utility model, the setting of rotating groove, rotating wheel, arc groove, driving rod, insert block, insert hole and threaded rod ensures that the staff can replace different models of toothed plates as needed, thereby ensuring that different depths of soil loosening operations can be carried out according to soil conditions and planting requirements, so as to improve the efficiency of soil loosening. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the overall structure of this utility model;

[0025] Figure 2 This is a three-dimensional structural diagram of the overall structure of this utility model after it is used in conjunction with a farmland soil loosening machine;

[0026] Figure 3 This is a three-dimensional structural diagram of the transfer rod and its external structure in this utility model;

[0027] Figure 4 This is a three-dimensional cross-sectional view of the transfer rod and its external structure of this utility model;

[0028] Figure 5 In this utility model Figure 4 Enlarged schematic diagram of the three-dimensional structure of the left-center region;

[0029] Figure 6 In this utility model Figure 4 Enlarged schematic diagram of the three-dimensional structure of the right-center region;

[0030] Figure 7 This is a three-dimensional cross-sectional diagram of the installation component in this utility model.

[0031] Legend:

[0032] 1. Mounting frame; 2. Loosening plate; 3. Loosening mechanism; 4. Gear plate; 5. Mounting assembly; 31. Rotating rod; 32. Turntable; 33. Fixing assembly; 34. Motor; 35. Control rod; 36. Mounting wheel; 37. Control ball; 38. Control groove; 39. Support assembly; 331. Air chamber; 332. Pressure block; 333. Fixing ring; 334. Spring 1; 335. Fixing block; 336. Fixing hole; 391. Connecting wheel; 392. Movable groove; 393. Locking block; 394. Spring 2; 395. Pull rope; 396. Connecting piece; 397. Locking groove; 51. Rotating groove; 52. Rotating wheel; 53. Arc groove; 54. Driving rod; 55. Insertion block; 56. Insertion hole; 57. Threaded rod. Detailed Implementation

[0033] 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.

[0034] Reference Figure 1 and Figure 2 One embodiment of this utility model is a multi-stage loosening tooth structure for a farmland loosening machine, including a mounting frame 1. The mounting frame 1 is set on the outside of the farmland loosening machine. A loosening plate 2 is set on the left end of the mounting frame 1. The loosening plate 2 is detachably connected to the mounting frame 1 by bolts. The detachable connection ensures that the operator can select an appropriate number of loosening plates 2 according to the width of the loosening area to ensure the loosening effect.

[0035] Reference Figure 4 - Figure 6The inner side of the mounting frame 1 is provided with a soil loosening mechanism 3, which includes a rotating rod 31. A turntable 32 is rotatably connected to the outer wall of the rotating rod 31. The turntable 32 is cylindrical and is concentrically arranged with the rotating rod 31. A fixing component 33 is provided inside the turntable 32 and the rotating rod 31. The fixing component 33 includes a pressure chamber 331. The front end of the pressure chamber 331 is connected to the outside. Multiple cylindrical holes are opened on the outer wall of the pressure chamber 331 near the rear side. The multiple cylindrical holes are arranged in a circumferential array around the axis of the rotating rod 31. The cylindrical holes are connected to the outside. The pressure chamber 331 is opened on the inner wall of the rotating rod 31. A pressure block 332 is piston-connected to the inner wall of the pressure chamber 331. A fixing ring 333 is fixedly connected to the inner wall of the pressure chamber 331. The middle part of the fixing ring 333 is hollow. The hollow design ensures that gas can pass through. The fixed ring 333 is elastically connected to the front end of the pressure block 332 via a spring 334. One end of the spring 334 is fixedly connected to the rear end of the fixed ring 333, and the other end of the spring 334 is fixedly connected to the front end of the pressure block 332. The inner wall of the air chamber 331 is piston-connected to a fixed block 335. The outer wall of the fixed block 335 is provided with a protrusion. The inner wall of the rotating rod 31 is provided with a groove that matches the external protrusion of the fixed block 335 but does not penetrate the inner wall of the rotating rod 31. The outer wall of the protrusion of the fixed block 335 fits into the groove. Through the setting of the groove and the protrusion, the movable distance of the fixed block 335 is limited, thereby ensuring that the air chamber 331 will not leak air due to the detachment of the fixed block 335. The inner wall of the turntable 32 is provided with fixed holes 336, the number and shape of which match the fixed block 335.

[0036] Reference Figure 2 , Figure 3 and Figure 7 A motor 34 is fixedly connected to the outer wall of the mounting frame 1. The output shaft of the motor 34 passes through the inner wall of the mounting frame 1 and is fixedly connected to the front end of the turntable 32. The turntable 32 can be rotated by rotating the output shaft of the motor 34. A control rod 35 is fixedly connected to the rear end of the turntable 32. An installation wheel 36 is slidably connected to the outer wall of the control rod 35. The installation wheel 36 is ring-shaped and is located outside the rotating rod 31. A toothed plate 4 is provided on the outside of the installation wheel 36. The toothed plate 4 is used for loosening soil.

[0037] Reference Figure 1 , Figure 2 and Figure 7The inner side of the toothed plate 4 and the interior of the mounting wheel 36 are jointly provided with a mounting component 5. The mounting component 5 includes a rotating groove 51, which is annular in shape and is formed on the inner wall of the mounting wheel 36. A rotating wheel 52 is rotatably connected to the inner wall of the rotating groove 51. The rotating wheel 52 is also annular in shape, and a threaded rod 57 is threaded through and threaded to the inner wall of the rotating wheel 52. The threaded rod 57 passes through the inner wall of the mounting wheel 36 on the side away from the rotating groove 51. A threaded hole matching the shape of the outer wall of the threaded rod 57 is formed on the inner wall of the rotating wheel 52. Multiple arc-shaped grooves 53 are formed on the inner wall of the rotating wheel 52, and these multiple arc-shaped grooves 53 form a circular array around the axis of the rotating wheel 52. The drive rod 54 is installed inside the arc-shaped groove 53. The outer wall of the drive rod 54 is slidably connected to the inner wall of the mounting wheel 36. The end of the drive rod 54 away from the rotating groove 51 is fixedly connected to the insert block 55. The outer side of the insert block 55 is rounded. The inner side of the toothed plate 4 is provided with an insertion hole 56. The inner wall of the mounting wheel 36 is fixedly connected to the control ball 37. The control ball 37 is spherical. The outer wall of the rotating rod 31 is provided with a control groove 38. The width of the control groove 38 matches the diameter of the control ball 37. The number of control grooves 38 is set to multiple, and the spacing of the control grooves 38 in all planes passing through the axis of the rotating rod 31 is consistent. The control ball 37 is set inside the control groove 38.

[0038] Reference Figure 3 - Figure 5 The rear end of the rotating rod 31 and the interior of the mounting frame 1 are jointly provided with a support component 39. The support component 39 includes a connecting wheel 391. The connecting wheel 391 is not connected to the mounting frame 1, but the inner wall of the mounting frame 1 has a hole whose shape matches the shape of the connecting wheel 391. When the connecting wheel 391 and the rotating rod 31 are relatively fixed, the connecting wheel 391 is exactly inside the hole. The inner wall of the connecting wheel 391 has a movable groove 392. A locking block 393 is slidably connected to the inner wall of the movable groove 392. The end of the locking block 393 away from the middle of the connecting wheel 391 is... The inner wall of the movable groove 392 is elastically connected to the second spring 394. One end of the second spring 394 is fixedly connected to the end of the locking block 393 away from the middle of the connecting wheel 391, and the other end of the second spring 394 is fixedly connected to the inner wall of the movable groove 392. The outer wall of the rotating rod 31 is provided with a locking groove 397. The number and shape of the locking groove 397 match the locking block 393. A pull rope 395 is fixedly connected to the end of the locking block 393 near the second spring 394. The pull rope 395 is non-elastic. A connecting piece 396 is fixedly connected to the end of the pull rope 395 away from the locking block 393.

[0039] Working principle: When in use, when the operator needs to adjust the distance between the two toothed pieces 4, the operator first pulls the connecting piece 396, which in turn pulls the pull rope 395, which in turn pulls the locking block 393, causing the locking block 393 to leave the slot 397.

[0040] After the card block 393 leaves the card slot 397, the operator moves the connecting wheel 391 forward, so that the front end of the pressure block 332 is unobstructed.

[0041] When the front end of the pressure block 332 is no longer obstructed, the pressure block 332 moves forward under the elastic force of the spring 334, thereby reducing the pressure inside the air pressure chamber 331, and causing the fixed block 335 to move in the direction of entering the air pressure chamber 331 under the action of air pressure.

[0042] After the fixing block 335 leaves the fixing hole 336, the operator rotates the rotating rod 31 while manually fixing the control rod 35.

[0043] Since the fixing block 335 is in the state of leaving the fixing hole 336 at this time, the relative fixed state between the turntable 32 and the rotating rod 31 is released, so the rotating rod 31 can rotate relative to the turntable 32.

[0044] When the rotating rod 31 rotates, the control rod 35 is manually fixed by the operator, so the mounting wheel 36 on the outside of the turntable 32 cannot rotate with the rotating rod 31. Therefore, when the turntable 32 rotates, the control ball 37 is pressed by the inner wall of the control groove 38, so the control ball 37 slides in the front and back direction, thereby adjusting the distance between the mounting wheels 36.

[0045] After the adjustment is completed, the staff pushes the connecting wheel 391 again, so that the locking block 393 returns to the locking groove 397, thus the pressure block 332 is squeezed by the connecting wheel 391, so that the fixing block 335 re-enters the fixing hole 336 under the action of air pressure, and the adjustment is completed.

[0046] When the staff needs to replace the gear 4, the staff first removes the connecting wheel 391, then rotates the threaded rod 57. As the threaded rod 57 rotates and moves outward during the rotation, thus leaving the threaded hole, the staff controls the threaded rod 57 to make the rotating wheel 52 rotate.

[0047] During the rotation of the rotating wheel 52, the inner wall of the arc groove 53 pushes the outer wall of the driving rod 54, thereby causing the driving rod 54 to move the insertion block 55 in the direction of entering the interior of the mounting wheel 36, thereby causing the insertion block 55 to leave the insertion hole 56.

[0048] Since the connecting wheel 391 has been removed, the toothed plate 4 can now be removed through the gap between the front end of the rotating rod 31 and the mounting bracket 1.

[0049] After the toothed piece 4 is removed, the worker places a new toothed piece 4 and then drives the rotating wheel 52 to rotate via the threaded rod 57, thereby resetting the insert 55 and allowing it to re-enter the socket 56. If the position of the socket 56 does not match the position of the insert 55 during the rotation of the rotating wheel 52, the worker can apply rotational force to the threaded rod 57 while rotating the toothed piece 4 to ensure that the insert 55 can enter when the socket 56 is rotated to the appropriate position.

[0050] After the new toothed plate 4 is installed, the staff rotates the threaded rod 57 again, so that the threaded rod 57 moves into the installation wheel 36 during the rotation, thereby entering the threaded hole and ensuring the stability after installation.

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-stage tine structure for a field cultivator comprising a mounting frame (1) characterised in that: The left end of the mounting frame (1) is provided with a loosening blade (2), the inner side of the mounting frame (1) is provided with a loosening mechanism (3), the loosening mechanism (3) comprises a rotating rod (31), the outer wall of the rotating rod (31) is rotationally connected with a rotating disc (32), the inside of the rotating disc (32) and the inside of the rotating rod (31) are provided with a fixing assembly (33) together, the outer wall of the mounting frame (1) is fixedly connected with a motor (34), the output shaft of the motor (34) penetrates through the inner wall of the mounting frame (1) and is fixedly connected with the front end of the rotating disc (32), the rear end of the rotating disc (32) is fixedly connected with a control rod (35), the outer wall of the control rod (35) is slidably connected with a mounting wheel (36), the mounting wheel (36) is arranged outside the rotating rod (31), the outside of the mounting wheel (36) is provided with a toothed sheet (4), the inside of the toothed sheet (4) and the inside of the mounting wheel (36) are provided with a mounting assembly (5) together, the inner wall of the mounting wheel (36) is fixedly connected with a control ball (37), the outer wall of the rotating rod (31) is provided with a control groove (38), and the rear end of the rotating rod (31) and the inside of the mounting frame (1) are provided with a supporting assembly (39) together.

2. The multi-stage tine structure of a farmland scarifier according to claim 1, characterized in that: The fixing assembly (33) comprises an air pressure bin (331) which is arranged in the inner wall of the rotating rod (31), a pressing block (332) which is piston-connected to the inner wall of the air pressure bin (331), a fixing ring (333) which is fixedly connected to the inner wall of the air pressure bin (331), the rear end of the fixing ring (333) and the front end of the pressing block (332) are elastically connected through a spring (334), and a fixing block (335) which is piston-connected to the inner wall of the air pressure bin (331).

3. The multi-stage tine structure of a farmland scarifier according to claim 1, characterized in that: The supporting assembly (39) comprises a connecting wheel (391), the inner wall of the connecting wheel (391) is provided with a movable groove (392), the inner wall of the movable groove (392) is slidably connected with a clamping block (393), one end of the clamping block (393) away from the middle of the connecting wheel (391) is elastically connected with the inner wall of the movable groove (392) through a spring (394), the outer wall of the rotating rod (31) is provided with a clamping groove (397), one end of the clamping block (393) close to the spring (394) is fixedly connected with a pull rope (395), and one end of the pull rope (395) away from the clamping block (393) is fixedly connected with a connecting sheet (396).

4. The multi-stage ripper tine structure of a farmland ripper according to claim 1, characterized in that: The mounting assembly (5) comprises a rotating groove (51) which is arranged in the inner wall of the mounting wheel (36), a rotating wheel (52) which is rotationally connected to the inner wall of the rotating groove (51), an arc-shaped groove (53) which is arranged in the inner wall of the rotating wheel (52), a driving rod (54) which is arranged in the inside of the arc-shaped groove (53), the outer wall of the driving rod (54) is slidably connected with the inner wall of the mounting wheel (36), one end of the driving rod (54) away from the rotating groove (51) is fixedly connected with an insertion block (55), and the inside of the toothed sheet (4) is provided with an insertion hole (56).

5. The multi-stage ripper tine structure of a farmland ripper according to claim 4, characterized in that: The inner wall of the rotating wheel (52) is penetrated by a threaded rod (57) which is screwed to the inner wall of the mounting wheel (36) on the side away from the rotating groove (51).

6. The multi-stage ripper tine structure of a farmland ripper according to claim 2, characterized in that: The front end of the air pressure bin (331) is communicated with the outside, and a plurality of cylindrical holes are formed in the outer wall close to the rear side of the air pressure bin (331).

7. The multi-stage ripper tine structure of a farmland ripper according to claim 1, characterized in that: The control ball (37) is arranged in the control groove (38), the control ball (37) is a spherical body, and the width of the control groove (38) is matched with the diameter of the control ball (37).

8. The multi-stage ripper tine structure of a farmland ripper according to claim 1, characterized in that: The soil loosening blades (2) are detachably connected to the mounting frame (1) by bolts, the number of the soil loosening blades (2) is multiple, and the multiple soil loosening blades (2) are linearly arranged in the front-rear direction.

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