Wear-resistant blade of rotary cultivator and rotary cultivator

Abstract

The utility model relates to the technical field of rotary cultivators, and discloses a rotary cultivator wear-resistant blade and a rotary cultivator, the rotary cultivator wear-resistant blade comprises a casing, the upper end face of the casing is provided with a driving mechanism, the driving mechanism is internally provided with a rotating shaft, and the outer side of the rotating shaft is provided with a mounting assembly; and the mounting assembly comprises a mounting ring plate, a blade body and a wear-resistant layer. According to the utility model, the mounting ring plate, the blade body and the wear-resistant layer are arranged, the wear-resistant layer is made of a titanium-carbon-nitrogen coating, a titanium-carbon-nitrogen film with high hardness can be formed on the surface of the cutting edge of the blade, and meanwhile, the wear-resistant layer has excellent corrosion resistance, so that the service life and the performance of the blade can be effectively prolonged, and when the blade body is damaged, the wear-resistant layer is not damaged. An operator can unscrew the corresponding locking bolt, then take down the blade body, install a new blade body in the first limiting groove through the second limiting groove and the limiting protruding block, and then screw the locking bolt into the second screw hole and the first screw hole, so that replacement is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary tillers, in particular to a wear-resistant blade of a rotary tiller and a rotary tiller. Background Art

[0002] A rotary tiller is a tilling machine that is used in conjunction with a tractor to complete plowing and harrowing operations. It is widely used because of its strong soil crushing ability and flat surface after plowing. It can also cut up the root stubble buried below the surface, making it easier for the seeder to operate and providing a good seed bed for later sowing. Correct use and adjustment of the rotary tiller is very important to maintaining its good technical condition and ensuring the quality of tillage.

[0003] When the rotary tiller is working, there are some stones in the soil layer. When the rotary tiller blade collides with the stones, it will gradually be worn. Some rotary tiller blades on the market are not wear-resistant enough, and it is not easy to replace the blades when they are damaged. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a wear-resistant blade for a rotary tiller and a rotary tiller. By providing a wear-resistant layer, the wear resistance of the blade body can be increased and its service life can be extended. By providing an installation ring plate, the disassembly and replacement of the blade body is facilitated, thereby solving the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant blade for a rotary tiller and a rotary tiller, comprising a casing, side plates are fixedly arranged on both left and right sides of the casing, a driving mechanism is installed on the upper end surface of the casing, the driving mechanism runs through the casing, a rotating shaft is installed inside the driving mechanism, the left and right ends of the rotating shaft are respectively installed on the inner sides of the left and right side plates, and a mounting assembly is arranged on the outer side of the rotating shaft;

[0008] The mounting assembly includes a mounting ring plate, a blade body, and a wear-resistant layer. The outer side of the rotating shaft is sleeved with a mounting ring plate, and multiple mounting ring plates are sleeved. The front side of the mounting ring plate is provided with a limiting groove one around, and there are four limiting grooves one.

[0009] Preferably, a limiting protrusion is fixedly provided at the bottom of the limiting groove 1, and a screw hole 1 is provided at the bottom of the limiting groove 1, and three screw holes 1 are provided.

[0010] Through the above technical solution, the setting of the limiting protrusion can play a limiting role.

[0011] Preferably, a blade body is arranged inside the limiting groove one, a mounting portion is arranged at the right end of the blade body, a limiting groove two is provided on the upper end surface of the mounting portion, the limiting protrusion is arranged inside the limiting groove two, a screw hole two is provided on the upper end surface of the mounting portion, and three screw holes two are provided, the screw hole two and the screw hole one match each other, and locking bolts are provided inside the screw hole two and the screw hole one.

[0012] Through the above technical solution, the opening of the second limiting groove facilitates the limiting installation inside the first limiting groove through the limiting protrusion.

[0013] Preferably, the left side of the blade body is a blade, the outer side of the blade is provided with a wear-resistant layer, and the right side of the housing is provided with an assembling component.

[0014] Through the above technical solution, the material of the wear-resistant layer is titanium carbon nitrogen coating.

[0015] A rotary tiller includes a wear-resistant blade of the rotary tiller and a connecting rod. Two connecting rods are provided, and the left ends of the two connecting rods are fixedly arranged on the right side of a casing. A mounting plate is fixedly arranged on the right end of the connecting rod, and screw holes are provided at the four corners of the right side of the mounting plate.

[0016] Through the above technical solution, the opening of the screw hole three facilitates assembly with the rotary tiller body.

[0017] Preferably, a reinforcing rod is fixedly arranged between the connecting rods on both sides, and two reinforcing rods are provided.

[0018] Through the above technical solution, the setting of the reinforcing rod plays a role of connection and reinforcement.

[0019] Compared with the prior art, the utility model provides a wear-resistant blade for a rotary tiller and a rotary tiller, which have the following beneficial effects:

[0020] The utility model is provided with an installation ring plate, a blade body and a wear-resistant layer. The material of the wear-resistant layer is a titanium carbon nitride coating, which can form a titanium carbon nitride film with high hardness on the surface of the blade edge and also has excellent corrosion resistance, thereby effectively extending the service life and performance of the blade. When the blade body is damaged, the operator can unscrew the corresponding locking bolt, then remove the blade body, and install the new blade body inside the limiting groove one through the limiting groove two and the limiting protrusion, and then use the locking bolt to screw into the inside of the screw hole two and the screw hole one to complete the replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the cross-sectional structure of the casing of the utility model;

[0022] Figure 2 This is a schematic diagram of the front view structure of the installation ring plate of the utility model;

[0023] Figure 3 This is a schematic diagram of the front view structure of the blade body of the utility model;

[0024] Figure 4 This is a schematic diagram of the front view structure of the blade body of the utility model after installation;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model.

[0026] Among them: 1. Casing; 2. Side panel; 3. Driving mechanism; 4. Rotating shaft; 5. Mounting ring plate; 6. Limiting groove one; 7. Limiting protrusion; 8. Screw hole one; 9. Blade body; 10. Mounting part; 11. Limiting groove two; 12. Screw hole two; 13. Blade; 14. Wear-resistant layer; 15. Locking bolt; 16. Connecting rod; 17. Reinforcing rod; 18. Mounting plate; 19. Screw hole three; 20. Mounting assembly. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1:

[0029] like Figure 1-5 As shown, the utility model provides a wear-resistant blade for a rotary tiller and a rotary tiller, comprising a casing 1, side plates 2 are fixedly arranged on both left and right sides of the casing 1, a driving mechanism 3 is installed on the upper end surface of the casing 1, the driving mechanism 3 runs through the casing 1, a rotating shaft 4 is installed inside the driving mechanism 3, the left and right ends of the rotating shaft 4 are respectively installed on the inner sides of the left and right side plates 2, and a mounting assembly 20 is arranged on the outer side of the rotating shaft 4;

[0030] The mounting assembly 20 includes a mounting ring plate 5, a blade body 9, and a wear-resistant layer 14. The outer side of the rotating shaft 4 is sleeved with a mounting ring plate 5, and multiple mounting ring plates 5 are sleeved. The front side of the mounting ring plate 5 is provided with limiting grooves 6 all around, and there are four limiting grooves 6.

[0031] Specifically, a limiting protrusion 7 is fixedly arranged at the bottom of the limiting groove 6, and a screw hole 8 is provided at the bottom of the limiting groove 6, and three screw holes 8 are provided. The advantage is that the setting of the limiting protrusion 7 can play a limiting role, and the opening of the screw hole 8 facilitates the installation of the subsequent blade body 9.

[0032] Specifically, a blade body 9 is arranged inside the limiting groove 16, a mounting portion 10 is arranged at the right end of the blade body 9, a limiting groove 11 is arranged on the upper end surface of the mounting portion 10, a limiting protrusion 7 is arranged inside the limiting groove 11, a screw hole 12 is arranged on the upper end surface of the mounting portion 10, and three screw holes 12 are arranged, the screw hole 12 matches the screw hole 18, and locking bolts 15 are arranged inside the screw hole 12 and the screw hole 18. The advantage is that the setting of the locking bolt 15 can install the blade body 9 inside the limiting groove 16 through the screw hole 12 and the screw hole 18.

[0033] Specifically, the left side of the blade body 9 is a blade 13, the outer side of the blade 13 is provided with a wear-resistant layer 14, and the right side of the housing 1 is provided with an assembly component 21. The advantage is that the titanium carbon nitride coating can form a titanium carbon nitride film with high hardness on the surface of the blade edge, and also has excellent corrosion resistance, thereby effectively extending the service life and performance of the blade.

[0034] Embodiment 2:

[0035] like Figure 5 As shown, the rotary tiller includes a wear-resistant blade of the rotary tiller, which also includes a connecting rod 16. Two connecting rods 16 are provided. The left ends of the two connecting rods 16 are fixedly arranged on the right side of the casing 1, and the right end of the connecting rod 16 is fixedly arranged with a mounting plate 18. Screw holes 19 are opened at the four corners of the right side of the mounting plate 18.

[0036] Specifically, a reinforcing rod 17 is fixedly arranged between the two side connecting rods 16, and two reinforcing rods 17 are arranged. The advantage is that the arrangement of the reinforcing rod 17 can play a role in strengthening the structure.

[0037] During use, the operator docks and installs the mounting plate 18 on the rotary tiller body through the screw hole three 19, and the driving mechanism 3 can drive the rotating shaft 4 to rotate, thereby driving the mounting ring plate 5 and the blade body 9 to rotate for rotary tillage, wherein the wear-resistant layer 14 on the blade body 9 is made of titanium carbon nitride coating, which can form a titanium carbon nitride film with high hardness on the surface of the blade edge, and also has excellent corrosion resistance, thereby effectively extending the service life and performance of the blade; when the blade body 9 is damaged, the operator can unscrew the corresponding locking bolt 15, then remove the blade body 9, and install the new blade body 9 inside the limiting groove one 6 through the limiting groove two 11 and the limiting protrusion 7, and then use the locking bolt 15 to screw into the inside of the screw hole two 12 and the screw hole one 8 to complete the replacement.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant blade for a rotary tiller, comprising a housing (1), characterized in that: Side panels (2) are fixedly arranged on both left and right sides of the casing (1); a driving mechanism (3) is installed on the upper end surface of the casing (1); the driving mechanism (3) passes through the casing (1); a rotating shaft (4) is installed inside the driving mechanism (3); the left and right ends of the rotating shaft (4) are respectively installed on the inner sides of the left and right side panels (2); and a mounting assembly (20) is arranged on the outer side of the rotating shaft (4); The mounting assembly (20) comprises a mounting ring plate (5), a blade body (9), and a wear-resistant layer (14); the outer side of the rotating shaft (4) is sleeved with a mounting ring plate (5), and a plurality of mounting ring plates (5) are sleeved; the front side of the mounting ring plate (5) is provided with a limiting groove (6) on all four sides, and the limiting groove (6) is provided with four.

2. The wear-resistant blade for a rotary tiller according to claim 1, characterized in that: A limiting protrusion (7) is fixedly arranged at the bottom of the limiting groove (6), and a screw hole (8) is opened at the bottom of the limiting groove (6), and three screw holes (8) are opened.

3. The wear-resistant blade for a rotary tiller according to claim 2, characterized in that: A blade body (9) is arranged inside the limiting groove (6), a mounting portion (10) is arranged at the right end of the blade body (9), a limiting groove (11) is provided on the upper end surface of the mounting portion (10), the limiting protrusion (7) is arranged inside the limiting groove (11), a screw hole (12) is provided on the upper end surface of the mounting portion (10), and three screw holes (12) are provided, the screw hole (12) and the screw hole (8) are matched with each other, and locking bolts (15) are provided inside the screw hole (12) and the screw hole (8).

4. The wear-resistant blade for a rotary tiller according to claim 3, characterized in that: The left side of the blade body (9) is a blade edge (13), and the outer side of the blade edge (13) is provided with a wear-resistant layer (14).

5. Rotary tiller, characterized in that: The invention comprises a plurality of wear-resistant blades for a rotary tiller as described in any one of claims 1 to 4, and further comprises a connecting rod (16), wherein two connecting rods (16) are provided, and the left ends of the two connecting rods (16) are fixedly arranged on the right side of the casing (1), and a mounting plate (18) is fixedly arranged on the right end of the connecting rod (16), and screw holes (19) are provided at the four corners on the right side of the mounting plate (18).

6. The rotary tiller according to claim 5, characterized in that: A reinforcing rod (17) is fixedly arranged between the connecting rods (16) on both sides, and two reinforcing rods (17) are arranged.

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