Rotary blade assembly

Abstract

The utility model discloses a rotary blade assembly, which relates to the technical field of rotary blades and comprises a connecting seat, a mounting disc fixedly connected to the top of the connecting seat, a driving rod rotationally connected to the rear side in the connecting seat through a first bearing, a worm fixedly connected to the bottom of the driving rod, and a worm wheel rotationally connected to the front side of the lower end in the connecting seat. A driving connecting piece is arranged above the first bearing, the bottom of the driving connecting piece is fixedly connected with the top of the driving rod, a connecting mechanism is arranged at the upper end of the front side of the connecting base, fixing discs are fixedly connected to the left side and the right side of the worm gear through second bearings, and rotary tillage assemblies are arranged on the sides, away from the worm gear, of the two fixing discs. The rotary blade assembly has the advantages that a plurality of rotary tillage assemblies are connected in series, the rotary tillage assemblies can be adjusted in a small range, two width adjusting schemes are provided, and the rotary blade assembly can be rapidly connected with an external tractor and other machines due to the arrangement of the connecting mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary tiller technical field, concretely relates to a rotary tiller assembly. BACKGROUND

[0002] Rotary tiller is very common in agricultural machinery, and the soil and weeds on the soil are broken and loosened by the rotary tiller. The rotary tiller is used frequently in agriculture, and is a very common cutter in agricultural equipment. The existing rotary tiller is generally divided into two types, one is a paddy field rotary tiller, and the other is a dry land rotary tiller. Taking the dry land rotary tiller as an example, the power mechanism of the agricultural equipment drives the rotary tiller to rotate, cuts the soil, and cuts off and breaks many weeds. The cut soil blocks are broken by mutual impact under the driving of the high-speed rotating rotary tiller, and the soil layer is arranged uniformly and smoothly while being broken.

[0003] The width of the existing rotary tiller is generally fixed and cannot be adjusted. Different crop planting cycles or soil humidity requirements may require different tillage widths, and the fixed width cannot meet the flexibility requirement. Further research shows that the existing rotary tiller is connected to the external power source through bolts, and the connection efficiency is slow. If the installation is improper or the bolts are loose, it may cause the tillage efficiency to decrease or even damage the equipment during operation. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, a rotary tiller assembly is provided to solve the above problems that the width of the existing rotary tiller is generally fixed and cannot be adjusted, different crop planting cycles or soil humidity requirements may require different tillage widths, the fixed width cannot meet the flexibility requirement, and the existing rotary tiller is connected to the external power source through bolts, and the connection efficiency is slow. If the installation is improper or the bolts are loose, it may cause the tillage efficiency to decrease or even damage the equipment during operation.

[0005] To achieve the above purpose, the utility model adopts the technical scheme that a rotary tiller assembly comprises a connecting seat, the top of the connecting seat is fixedly connected with a mounting disc, the rear side of the inside of the connecting seat is rotatably connected with a driving rod through a first bearing, the bottom of the driving rod is fixedly connected with a worm, the front side of the lower end of the inside of the connecting seat is rotatably connected with a worm wheel, the rear side of the worm wheel is engaged with the worm, a driving connecting piece is arranged above the first bearing, the bottom of the driving connecting piece is fixedly connected with the top of the driving rod, a connecting mechanism is arranged on the upper end of the front side of the connecting seat, the left and right sides of the worm wheel are fixedly connected with fixed discs through second bearings, rotary tiller assemblies are arranged on the sides away from the worm wheels of the two fixed discs, the rotary tiller assemblies comprise connecting sleeves, the connecting sleeves are fixedly connected with extension rods on one side, and the extension rods are fixedly connected with the side surfaces of the fixed discs.

[0006] Preferably, the connecting sleeve outer surface middle part is fixedly connected with a cutter head, the cutter head four sides are fixedly connected with rotary tillage tools through bolts, adjacent two rotary tillage tools are installed in staggered manner, and adjacent two rotary tillage tools are oppositely arranged.

[0007] Preferably, the extension rod surface is provided with at least four first plug-in holes, the connecting sleeve surface is provided with at least one second plug-in hole, and the outer diameter of the extension rod is matched with the inner diameter of the connecting sleeve.

[0008] Preferably, the connecting mechanism comprises a fixed plate, the fixed plate is fixedly connected to the front side upper end of the connecting seat, the front side four corner positions of the fixed plate are fixedly connected with fixed blocks, the interiors of the four fixed blocks are slidably connected with limiting rods, and one side of the four limiting rods is fixedly connected with sliding rods.

[0009] Preferably, the front side middle part of the fixed plate is fixedly installed with a brushless motor, the output end of the brushless motor is fixedly connected with a rotating disc, the outer surface of the rotating disc is fixedly connected with four groups of rocker arms, and the tail ends of the four groups of rocker arms are slidably connected with the sliding rods through sliding grooves.

[0010] Preferably, the connecting mechanism further comprises a fixed sleeve box, the fixed sleeve box is sleeved on the outer side of the fixed plate, the front side of the fixed sleeve box is fixedly connected with a connecting plate, and the four edges of the fixed sleeve box are provided with limiting holes at positions corresponding to the four limiting rods.

[0011] Preferably, the rear side of the mounting disc is fixedly connected with a connecting strip, and the tail end of the connecting strip is fixedly connected with a secondary tillage tool through a bolt.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a plurality of rotary tillage assemblies are connected in series, and the rotary tillage assemblies can be adjusted in small amplitude, two width adjustment schemes are provided, the working width can be adjusted flexibly in different farmlands and crop planting periods, the same set of tillage equipment can adapt to different soil types and crop planting demands by this method, thereby improving production efficiency, and compared with single fixed width rotary tillage tools, different tillage demands can be more economically adapted.

[0014] 2、The utility model discloses a connecting mechanism can be connected with the machinery such as tractor of outside fast, and the operator does not need to use additional tools or rely on complex steps to complete the connection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure of the utility model is shown in the figure;

[0016] Figure 2 The inside of the connecting seat in the utility model;

[0017] Figure 3 The exploded view of the connecting mechanism in the utility model;

[0018] Figure 4 The Figure 3 The local enlarged view of A in the figure;

[0019] Figure 5 The rotary tillage assembly in the utility model.

[0020] The figure mark is:

[0021] 1, connecting seat; 2, mounting disc; 3, connecting strip; 4, connecting mechanism; 401, fixed plate; 402, fixed sleeve box; 403, connecting plate; 404, limiting hole; 405, fixed block; 406, limiting rod; 407, brushless motor; 408, rotating disc; 409, sliding rod; 410, rocker arm; 5, secondary tillage knife; 6, driving connecting piece; 7, first bearing; 8, driving rod; 9, worm; 10, worm wheel; 11, second bearing; 12, fixed disc; 13, rotary tillage assembly; 1301, connecting sleeve; 1302, extension rod; 1303, cutter head; 1304, rotary tillage tool; 1305, first plug-in hole; 1306, second plug-in hole. DETAILED DESCRIPTION

[0022] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0023] As Figures 1-5The utility model discloses an embodiment provides a rotary tiller assembly, including connecting seat 1, this connecting seat 1 top fixedly connected with mounting disc 2, connecting seat 1 inside rear side is rotatably connected with drive rod 8 through first bearing 7, the bottom fixed connection worm 9 of drive rod 8, connecting seat 1 inside lower end front side rotatably connected with worm wheel 10, and worm wheel 10 rear side is engaged with worm 9, it adopts the engagement transmission of worm 9 and worm wheel 10, has greater transmission ratio, can realize greater torque transmission, worm wheel 10 worm 9 transmission has self -locking simultaneously, prevent the reverse rotation caused by accidental stop power input in the process of cultivation, improve the operation safety, simultaneously, the first bearing 7 top is provided with drive connecting piece 6, and the bottom of drive connecting piece 6 is fixedly connected with the top of drive rod 8, and the front side upper end of connecting seat 1 is provided with connecting mechanism 4, and both sides of worm wheel 10 are fixedly connected with fixed disc 12 through second bearing 11, and one side of two fixed discs 12 away from worm wheel 10 is provided with rotary tiller assembly 13,

[0024] Among them, rotary tiller assembly 13 includes connecting sleeve 1301, and one side of connecting sleeve 1301 is fixedly connected with extension rod 1302, and extension rod 1302 is fixedly connected with the side of fixed disc 12.

[0025] Specifically, the outer surface of connecting sleeve 1301 is fixedly connected with cutter head 1303 in the middle, cutter head 1303 is fixedly connected with rotary tiller 1304 on four sides through bolts, and adjacent two rotary tillers 1304 are installed in a staggered manner, and adjacent two rotary tillers 1304 are arranged in opposite directions, and adjacent two rotary tillers 1304 are arranged in a staggered manner and in opposite directions, which makes the soil more evenly cut and broken during rotary tillage, reduces soil resistance, improves tillage efficiency, and also helps to prevent soil clumping and improve tillage quality.

[0026] It is worth mentioning that at least four first insertion holes 1305 are formed through the surface of extension rod 1302, at least one second insertion hole 1306 is formed through the surface of connecting sleeve 1301, the outer diameter of extension rod 1302 is matched with the inner diameter of connecting sleeve 1301, the extension rod 1302 of another rotary tiller assembly 13 can be inserted into the connecting sleeve 1301 and connected through bolts, so that the width of the rotary tiller can be freely adjusted according to the needs of cultivation, and through the insertion design of extension rod 1302 and connecting sleeve 1301 and the setting of first insertion hole 1305 and second insertion hole 1306, the user can easily adjust the width of rotary tiller assembly 13 to adapt to different soil conditions and tillage needs, and improve the flexibility and adaptability of the equipment.

[0027] Specific, connecting mechanism 4 includes fixed plate 401, fixed plate 401 is fixedly connected to the front side of the connecting seat 1 upper end, the front side of the fixed plate 401 four corners are fixedly connected with the fixed block 405, the four fixed blocks 405 are slidably connected with the limiting rod 406 inside, one side of the four limiting rods 406 are fixedly connected with the sliding rod 409.

[0028] Specific, fixed plate 401 front side middle part is fixedly installed with brushless motor 407, the output end of brushless motor 407 is fixedly connected with rotating disc 408, the outer surface of rotating disc 408 is fixedly connected with four groups of rocker arms 410, four groups of rocker arms 410 end are slidably connected with sliding rod 409 through the sliding groove.

[0029] Specific, connecting mechanism 4 further includes a fixed sleeve box 402, the fixed sleeve box 402 is sleeved on the outer side of the fixed plate 401, the front side of the fixed sleeve box 402 is fixedly connected with the connecting plate 403, the four edges of the fixed sleeve box 402 are provided with limiting holes 404 at the corresponding positions of the four limiting rods 406, the design of the fixed sleeve box 402 not only protects the internal transmission mechanism, but also further enhances the stability and safety of the connecting mechanism 4 through the cooperation of the limiting hole 404 and the limiting rod 406, preventing accidental falling or loosening during operation.

[0030] Specific, the rear side of the mounting disc 2 is fixedly connected with the connecting strip 3, the end of the connecting strip 3 is fixedly connected with the secondary plow 5 through the bolt, the secondary plow 5 connected to the rear side of the mounting disc 2 can further crush and mix the soil while the main rotary plow assembly is working, improving the uniformity and air permeability of the soil, which is beneficial to the growth of crops. In addition, the secondary plow 5 can also form ridges on the plowed land.

[0031] Working principle: in use, first, the connecting plate 403 is welded with the external tractor, then the fixed sleeve box 402 is sleeved on the outer side of the fixed plate 401, then the brushless motor 407 drives the rotating disc 408 to rotate, and then the rocker arm 410 rotates to drive the limiting rod 406 to slide in the fixed block 405, so that the end of the limiting rod 406 extends into the limiting hole 404, thereby achieving the function of quickly connecting the rotary plow, when adjusting the width of the rotary plow assembly 13, two schemes are provided, one is to connect another rotary plow assembly 13 and connect through threads, which is a large amplitude width adjustment scheme, the other is to pull out the extension rod 1302 in another rotary plow assembly 13 from the connecting sleeve 1301 in one rotary plow assembly 13 by a distance, so that the different first insertion hole 1305 is aligned with the second insertion hole 1306 and connected through bolts, which is a small amplitude width adjustment scheme.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A rotary blade assembly, comprising: The utility model provides a rotary tiller, including connecting seat (1), the top fixed connection of connecting seat (1) is equipped with the mounting disc (2), the inside rear side of connecting seat (1) is rotatably connected with drive rod (8) through first bearing (7), the bottom fixed connection of drive rod (8) is worm (9), the inside lower end front side of connecting seat (1) is rotatably connected with worm wheel (10), the rear side of worm wheel (10) is engaged with worm (9), the top of first bearing (7) is provided with drive connecting piece (6), the bottom of drive connecting piece (6) is fixedly connected with the top of drive rod (8), the front side upper end of connecting seat (1) is provided with connecting mechanism (4), the left and right sides of worm wheel (10) are both fixedly connected with fixed disc (12) through second bearing (11), and the side, away from worm wheel (10) of two fixed discs (12) is provided with rotary tillage subassembly (13);Rotary tillage subassembly (13) includes connecting sleeve (1301), one side of connecting sleeve (1301) is fixedly connected with extension rod (1302), and extension rod (1302) is fixedly connected with the side of fixed disc (12).

2. A rotary tillage tool assembly as claimed in claim 1, wherein: The outer surface middle part of connecting sleeve (1301) is fixedly connected with cutter head (1303), and the four edges of cutter head (1303) are all fixedly connected with rotary tillage tool (1304) through bolt, adjacent two rotary tillage tools (1304) are installed in staggered manner, and adjacent two rotary tillage tools (1304) are oppositely arranged.

3. A rotary tillage tool assembly as claimed in claim 2, wherein: The surface of extension rod (1302) is provided with at least four first plug-in holes (1305), the surface of connecting sleeve (1301) is provided with at least one second plug-in hole (1306), and the outer diameter of extension rod (1302) is matched with the inner diameter of connecting sleeve (1301).

4. A rotary tillage tool assembly as defined in claim 1, wherein: The front side upper end of connecting seat (1) is provided with connecting mechanism (4), the left and right sides of worm wheel (10) are both fixedly connected with fixed disc (12) through second bearing (11), and the side, away from worm wheel (10) of two fixed discs (12) is provided with rotary tillage subassembly (13);Rotary tillage subassembly (13) includes connecting sleeve (1301), one side of connecting sleeve (1301) is fixedly connected with extension rod (1302), and extension rod (1302) is fixedly connected with the side of fixed disc (12).

5. A rotary tine assembly according to claim 4, wherein: The front side middle part of fixed plate (401) is fixedly installed with brushless motor (407), the output of brushless motor (407) is fixedly connected with rotating disc (408), the outer surface of rotating disc (408) is fixedly connected with four sets of rocker arms (410), and the tail end of four sets of rocker arms (410) is slidably connected with sliding rod (409) through sliding groove.

6. A rotary tillage tool assembly as defined in claim 4, wherein: The front side of fixed sleeve box (402) is fixedly connected with connecting plate (403), and the four edges of fixed sleeve box (402) are all provided with limiting hole (404) at corresponding positions of four limiting rods (406).

7. A rotary tillage tool assembly as defined in claim 1, wherein: The rear side of mounting disc (2) is fixedly connected with connecting strip (3), and the tail end of connecting strip (3) is fixedly connected with auxiliary tillage tool (5) through bolt.

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