Anti-abrasion type side edge protective cover of rotary cultivator
By designing a wear-resistant side guard for the rotary tiller, and utilizing a combination structure of mounting plate, cover, and wear-resistant plate, the problems of bearing seat wear and dust contamination in the rotary tiller are solved, achieving effective protection of the bearings and reducing wear, thus extending the service life of the rotary tiller.
Patent Information
- Application Number
- CN202520401508.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Rotary tiller bearing housings are prone to dust accumulation and wear during use, resulting in a short service life.
A wear-resistant side guard for a rotary tiller was designed, comprising a semi-circular bottom cover, a mounting plate, and a cover shell, which are connected by screws to form a cavity. A shaft hole is provided between the mounting plate and the cover shell. The lower part of the bottom cover is connected to an anti-wear plate and a spring. The spring acts as a buffer, the anti-wear plate reduces wear, and foreign objects are discharged through the drain hole.
It effectively protects the bearings, reduces wear during the operation of the rotary tiller, extends its service life, and discharges foreign objects through the drain hole to prevent their accumulation.
Smart Images

Figure CN223844312U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rotary cultivator technical field, concretely is a kind of anti-abrasion rotary cultivator side edge protective cover. BACKGROUND
[0002] Rotary cultivator is driven by tractor output power to rotate cutter shaft, and blade cuts into soil in tangent direction, breaks up soil clods and throws back, at the same time, covers surface weeds or stubble, realizes cultivation, soil breaking and leveling integration.
[0003] Both ends of cutter shaft need to be installed on bearing seat of rotary cultivator, but current bearing seat is generally in exposed state after installation, is easy to stick dust, and is easy to appear abrasion, so as to cause low service life. UTILITY MODEL CONTENTS
[0004] In view of the deficiency of prior art, the utility model provides a kind of anti-abrasion rotary cultivator side edge protective cover to solve the problems mentioned in above background art.
[0005] To solve the above technical problems, the utility model provides the following technical scheme:
[0006] A kind of anti-abrasion rotary cultivator side edge protective cover, including the bottom cover of semicircle, the side and top of bottom cover are open, and the top of bottom cover is inserted with mounting plate and cover shell, the periphery of cover shell is connected with mounting plate by screw, and cavity is formed between mounting plate and cover shell, and the upper end and lower end of mounting plate are all provided with shaft hole communicated with cavity, and the lower part of bottom cover is connected with mounting plate by screw;The lower part of bottom cover is connected with the arc-shaped wear plate by screw, the inner side of wear plate is connected with multiple springs, and the upper end of spring is in contact with the bottom surface of bottom cover.
[0007] Preferably, the side of bottom cover facing the side opening is provided with positioning groove with L-shaped cross section, the both sides of cover shell are provided with outwardly extending mounting lug, the mounting lug is connected with mounting plate by screw, and the mounting lug and mounting plate are both clamped in positioning groove.The side of bottom cover facing positioning groove is connected with limit plate extending inwardly, and the limit plate is arc-shaped, and the lower part of mounting plate is connected with mounting plate by screw.
[0008] The above technical scheme, mounting plate and mounting lug are connected by screw, and the lower end of mounting plate and cover shell is inserted in positioning groove after connection, the lower part of mounting plate is covered by limit plate, and limit plate is connected with mounting plate by screw, so that the lower end of mounting plate and cover shell can be fixed in positioning groove.
[0009] Preferably, the both sides of mounting plate are provided with outwardly protruding protruding part, and positioning hole is formed in the protruding part.
[0010] The above technical scheme, mounting plate can be installed on rotary cultivator through positioning hole in protruding part.
[0011] Preferably, the bottom surface of the bottom cover is provided with a drain hole, the wear plate is internally provided with a drain groove located below the drain hole, and the outer portions of the wear plates on both sides of the drain groove are inclined.
[0012] The above technical solution protects the bottom cover by the wear plate, and the bottom cover is easy to enter foreign matters such as sewage, the foreign matters are easily discharged through the drain hole, and the foreign matters are prevented from filling the bottom cover after being discharged.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The two shaft holes on the mounting plate are used for mounting bearings, the bearings internally mount cutter shafts, so that the cutter shafts are located in the cavity composed of the mounting plate and the cover shell, thereby protecting the bearings.
[0015] The lower end of the bottom cover is connected with the wear plate through screws, which can reduce the collision and abrasion of the bottom cover by the outside during the operation of the rotary tiller, and the spring can also play a buffering role to reduce the abrasion of the bottom cover. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a schematic view of the utility model;
[0017] Figure 2 is a split view of the utility model;
[0018] Figure 3 is a schematic view of the mounting plate;
[0019] Figure 4 is a schematic view of the bottom cover;
[0020] In the drawing: 1-bottom cover, 2-mounting plate, 3-cover shell, 4-shaft hole, 5-wear plate, 6-spring, 7-positioning groove, 8-mounting lug, 9-limiting plate, 10-protruding part, 11-drain hole, 12-drain groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Embodiment 1
[0023] Please refer to Figures 1-4The utility model provides a kind of anti-wear rotary cultivator side protection cover, including bottom cover 1 of semicircle, the side and top of bottom cover 1 are open, and the top of bottom cover 1 is inserted with mounting plate 2 and cover shell 3, and the periphery of cover shell 3 is connected with mounting plate 2 by screw.Specifically, the side of bottom cover 1 facing its side opening is equipped with the positioning groove 7 of cross section L type, and the both sides of cover shell 3 are equipped with the mounting lug 8 extending outward, and mounting lug 8 is connected with mounting plate 2 by screw, and mounting lug 8 and mounting plate 2 are all clamped in positioning groove 7.The side of bottom cover 1 facing positioning groove 7 is connected with the limit plate 9 extending to inboard side, and limit plate 9 is arc, and it is connected with the lower part of mounting plate 2 by screw.Mounting plate 2 is connected with mounting lug 8 by screw, and after being connected, the lower end of mounting plate 2 and cover shell 3 whole is inserted in positioning groove 7, then limit plate 9 covers the lower part of mounting plate 2, and limit plate 9 is connected with mounting plate 2 by screw, so that the lower end of mounting plate 2 and cover shell 3 can be fixed in bottom cover 1.
[0024] In addition, the both sides of mounting plate 2 are outwardly protruding protruding portion 10, and a plurality of positioning holes are formed in protruding portion 10, so that mounting plate 2 can be fixed on the rotary cultivator by the protruding portion.
[0025] A cavity is formed between mounting plate 2 and cover shell 3, and shaft holes 4 are formed in the upper end and the lower end of mounting plate 2 and are in communication with the cavity, and the lower part of bottom cover 1 is connected with mounting plate 2 by screw;the lower part of bottom cover 1 is connected with an arc-shaped wear plate 5 by screw, the inner side of wear plate 5 is connected with a plurality of springs 6, and the upper end of spring 6 is in contact with the bottom surface of bottom cover 1.
[0026] The two shaft holes 4 on mounting plate 2 are used to install bearings, and a cutter shaft is installed in the bearings, so that the cutter shaft is located in the cavity formed by mounting plate 2 and cover shell 3, thereby protecting the bearings. The lower end of bottom cover 1 is connected with wear plate 5 by screw, which can reduce the collision and wear of bottom cover 1 during the operation of the rotary cultivator, and the springs 6 can also play a buffering role to reduce the wear of bottom cover 1. When the wear plate is damaged, it is also convenient to replace it.
[0027] Different materials of wear plate can be selected according to the environment of farmland to adapt to different farmland. For example:
[0028] Conventional farmland (soil is relatively soft, impact is small): NM360 / NM400 low alloy steel or high chromium cast iron is selected.
[0029] Stony soil (large impact): high manganese steel (Mn13) or bimetallic composite plate is preferred.
[0030] Extreme wear environment (such as desert, mining area): tungsten carbide cladding or chromium carbide composite material.
[0031] Example 2
[0032] On the basis of the embodiment 1, the bottom surface of the bottom cover 1 is provided with a drain hole 11, the wear plate 5 is internally provided with a drain groove 12 located below the drain hole, and the outer part of the wear plate 5 on both sides of the drain groove 12 is inclined.
[0033] The bottom cover 1 can be protected by the wear plate 5, and foreign matters such as sewage can easily enter the bottom cover 1, and the foreign matters can be easily discharged through the drain hole 11, and the foreign matters can flow out along the drain groove 12 after being discharged, so that the bottom cover is prevented from being filled with the foreign matters.
[0034] It should be noted that the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A side shield for a wear reducing rotary cultivator, characterized in that: The utility model provides a dustproof device, including bottom cover (1) of semicircle, and the one side and top of bottom cover (1) are open, and the top of bottom cover (1) is inserted with mounting plate (2) and cover shell (3), and the periphery of cover shell (3) is connected with mounting plate (2) through screw, and the cavity is formed between mounting plate (2) and cover shell (3), and the upper end and lower end of mounting plate (2) are all set up with shaft hole (4) that communicates with the cavity, and the lower part of bottom cover (1) and mounting plate (2) are connected through screw, The lower part of bottom cover (1) is connected with arc-shaped wear plate (5) through screw, the inner side of wear plate (5) is connected with multiple springs (6), and the upper end of spring (6) is in contact with the bottom surface of bottom cover (1).
2. A side shield for a wear reducing rotary cultivator according to claim 1, characterized in that: The side of bottom cover (1) facing the side opening is equipped with the positioning groove (7) of L type cross section, and the both sides of cover shell (3) are equipped with the mounting lug (8) extending outward, the mounting lug (8) is connected with mounting plate (2) through screw, and the mounting lug (8) and mounting plate (2) are all clamped in positioning groove (7).
3. A side shield for a wear reducing rotary cultivator according to claim 2, characterized in that: The side of bottom cover (1) facing positioning groove (7) is connected with the limit board (9) extending to the inner side, and the limit board (9) is arc-shaped, and the lower part of mounting plate (2) is connected through screw.
4. A side shield for a wear reducing rotary cultivator according to claim 3, characterized in that: The both sides of mounting plate (2) have outward protruding protruding part (10), and the positioning hole is set up on the protruding part (10).
5. A wear reducing side shield for a rotary tiller as defined in claim 4 wherein: The bottom surface of bottom cover (1) is equipped with the blowdown hole (11), and the wear plate (5) is equipped with the blowdown groove (12) below the blowdown hole, and the outside of wear plate (5) on the both sides of blowdown groove (12) is inclined.