Mini-plough with plough blade convenient to replace

Abstract

The utility model belongs to the technical field of mini-tilling ploughs, and particularly relates to a mini-tilling plough with a plough blade convenient to replace, which comprises a power device, an adjusting device is fixedly arranged behind the power device, a transmission device is fixedly arranged below the adjusting device, and a rotary tillage device is fixedly arranged on the right side of the transmission device. The rotary tillage device comprises a dismounting mechanism, a protection mechanism and a locking mechanism, the rotary tillage device comprises an end cover, the end cover is fixedly installed on a protection cover through screws, a cavity is formed in the protection cover, and a gear is movably installed in the cavity. Through the arranged dismounting mechanism, the main shaft for mounting the pear shovel is convenient to dismount, the situation that the pear shovel is inconvenient to replace and maintain due to a narrow space is avoided, and meanwhile through the arrangement of the protection device, the situation that soil enters the main shaft after the main shaft is reset, and next replacement and maintenance are affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of micro ploughs, specifically to a micro plough with replaceable ploughshares. BACKGROUND

[0002] A micro plough is a small agricultural machine widely used in land preparation and cultivation. It usually consists of an engine, a transmission system, and a cultivation tool, allowing efficient cultivation in a small space, especially suitable for small-scale farmland and gardening.

[0003] During the use of a micro plough, the ploughshare, which directly contacts the soil, is prone to wear and tear. The traditional ploughshare replacement process usually involves disassembling multiple fasteners, which is time-consuming and labor-intensive. Therefore, developing a micro plough with replaceable ploughshares is of great significance to improve agricultural production efficiency and reduce labor costs.

[0004] In recent years, patents and technologies related to micro ploughs and their related devices have been emerging, showing the industry's demand for improving the convenience and maintenance efficiency of micro ploughs. For example, there is a ploughing device for fruit planting that can automatically replace damaged cultivation blades, saving time. In addition, there are micro plough tools designed for micro ploughs, which can be detachably connected with the shaft for easy replacement and maintenance.

[0005] These background technologies show that there is a clear demand for micro ploughs that simplify the ploughshare replacement process in the market, and related technological innovations are continuously meeting this demand, driving the development of agricultural mechanization towards higher efficiency and convenience.

[0006] According to the patent "A plough with replaceable or adjustable plough teeth" (authorized publication number: CN216163164U), it is described that "The utility model provides a plough with replaceable or adjustable plough teeth, which comprises a plough and an angle adjusting mechanism, the lower part of the plough is fixedly connected with a fixed seat, the angle adjusting mechanism is fixedly connected below the fixed seat, the outer side of the angle adjusting mechanism is provided with a replacement mechanism, and the angle adjusting mechanism comprises a connecting plate. The utility model, by arranging the angle adjusting mechanism, when the angle of the plough needs to be adjusted, the first screw is separated by rotating the first nut, the upper fixed plate and the lower fixed plate are separated, the replacement mechanism can be adjusted to adjust the angle of the plough, most of the current equipment cannot adjust the angle, when encountering complex terrain, if the angle is not adjusted, the plough will be damaged, the device can freely adjust the angle, is convenient to disassemble, and the application of the device effectively avoids the above problems and improves the practicality of the equipment."

[0007] In view of the above related art, the present inventors consider that there is a problem that the plow blade is inconvenient to maintain when being replaced and maintained because the plow blade is fixed on the main shaft, and the huge force of the plow blade during work also damages the main shaft, and the main shaft needs to be disassembled, inspected and maintained when the plow blade is replaced and maintained, but the main shaft is difficult to disassemble. Therefore, it is urgent to improve a micro-furrow plow convenient for replacing a plow blade to solve the above problems. Utility model content

[0008] The utility model discloses a micro-furrow plow convenient for replacing a plow blade to solve the problems of inconvenient replacement of the plow blade and difficult disassembly of the main shaft in the background art.

[0009] To achieve the above object, the utility model provides the following technical scheme: a micro-furrow plow convenient for replacing a plow blade, comprising a power device, the power device rear fixed installation has adjusting device, the adjusting device below fixed installation has transmission, the transmission right -hand post fixed installation has rotary tillage device, the rotary tillage device includes dismounting mechanism, protection mechanism and locking mechanism.

[0010] Preferably, the rotary tillage device comprises an end cover, the end cover is fixedly installed on the protective cover through screws, the protective cover is internally provided with a cavity, and a gear is movably installed in the cavity.

[0011] Preferably, the gear is movably installed on the main shaft, and a plurality of plow teeth are fixedly installed on the main shaft through screws.

[0012] Preferably, the dismounting mechanism comprises a nut, both ends of the main shaft are provided with threaded grooves, the nut is installed on the main shaft through threads, both ends of the main shaft are partially hollow, and a driving shaft is movably installed in the hollow part.

[0013] Preferably, the main shaft is provided with a slot, the driving shaft is provided with a limiting rod one, the limiting rod one moves in the slot, a spring one is fixedly installed between the driving shaft and the main shaft, and the limiting rod one abuts against the nut under the action of the spring one.

[0014] Preferably, the protection mechanism comprises a foldable rubber ring, the foldable rubber ring is movably installed between the plow tooth and the nut, and a spring two is movably installed below the foldable rubber ring.

[0015] Preferably, the locking mechanism comprises a limiting rod two, the front end portion of the movable shaft is hollow, a top block is movably arranged in the hollow portion, a top rod is arranged on the inner end surface of the movable shaft, the end of the top block is a trapezoidal notch and can expand with the movement of the top rod, a fixed shaft is fixedly arranged in the interior of the protective cover, the fixed shaft is hollow, the movable shaft passes through the fixed shaft, the gear is movably arranged on the fixed shaft, the side of the gear is provided with a protruding portion which is divided into a limiting slot, and the limiting rod two is clamped in the limiting slot.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The micro-furrow plough convenient for replacing plough blades, through the setting of the dismounting mechanism, including nut and spring one, under the action of spring one, the movable shaft is retracted into the main shaft, the main shaft is convenient to dismount, and the movable shaft is convenient to check and maintain, and the movable shaft is convenient to replace later.

[0018] 2. The micro-furrow plough convenient for replacing plough blades, through the setting of the protection device, including foldable rubber ring, under the action of the foldable rubber ring, after the replacement and maintenance of the plough blade are completed, when the micro-furrow plough is working, the soil or other sundries are prevented from entering the main shaft and affecting the use performance of the spring and hindering the movement of the movable shaft in the main shaft. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0020] Figure 2 It is the rotary tillage part structure schematic diagram of the utility model;

[0021] Figure 3 It is the main shaft part mechanism schematic diagram of the utility model;

[0022] Figure 4 It is the main shaft part half cut schematic diagram of the utility model;

[0023] Figure 5 It is the transmission part structure schematic diagram of the utility model;

[0024] Figure 6 It is the locking part structure schematic diagram of the utility model.

[0025] In the drawing: 1 power device, 2 adjusting device, 3 transmission device, 4 rotary tillage device, 201 end cover, 202 protective cover, 203 plough tooth, 204 main shaft, 205 gear, 206 foldable rubber ring, 207 nut, 208 screw groove, 209 limiting rod one, 210 spring one, 211 spring two, 212 notch, 213 movable shaft, 301 limiting rod two, 302 limiting slot, 303 fixed shaft, 304 top rod, 305 top block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0027] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a micro tiller convenient to replace plough, including power device 1, power device 1 rear fixed installation has adjusting device 2, adjusting device 2 below fixed installation has transmission device 3, transmission device 3 right side fixed installation has rotary tillage device 4, rotary tillage device 4 includes dismounting mechanism, protection mechanism and locking mechanism.

[0028] Rotary tillage device 4 includes end cover 201, end cover 201 is fixedly installed on protective cover 202 by screw, the inside of protective cover 202 is provided with cavity, gear 205 is movably installed in cavity inside. Gear 205 is movably installed on main shaft 204, and a plurality of plough teeth 203 are fixedly installed on main shaft 204 by screw.

[0029] Dismounting mechanism includes nut 207, and both ends of main shaft 204 are provided with thread groove 208, nut 207 is installed on main shaft 204 by thread, and both ends of main shaft 204 are partially hollow, and hollow portion movably installs dynamic shaft 213.

[0030] Slot 212 is provided on main shaft 204, limit rod one 209 is provided on dynamic shaft 213, limit rod one 209 moves in slot 212, spring one 210 is fixedly installed between dynamic shaft 213 and main shaft 204, and limit rod one 209 is pressed against nut 207 under the action of spring one 210.

[0031] Protection mechanism includes foldable rubber ring 206, foldable rubber ring 206 is movably installed between plough tooth 203 and nut 207, and spring two 211 is movably installed below foldable rubber ring 206.

[0032] The rotary tiller shaft needs to be checked, repaired and replaced regularly. During use, the rotary tiller shaft can be damaged due to long-term wear, impact by hard objects or improper operation. When the main shaft 204 needs to be repaired or replaced, the rotary nut 207 is rotated, the movable shaft 213 moves backward under the action of the spring 1 210, the movable shaft 213 is completely retracted into the main shaft 204 under the action of the spring 1 210, the main shaft 204 is conveniently removed from the micro tiller for repair and replacement, the main shaft 204 is reset after repair, the movable shaft 213 is reset by the rotary nut 207, and the foldable rubber ring 206 is protected from the slot 212 under the action of the spring 2 211 to prevent soil from entering the inside of the main shaft (204) during rotary tillage, thereby affecting the next replacement and repair.

[0033] Embodiment two:

[0034] Please refer to Figures 5-6 The utility model provides a technical scheme: a micro tiller convenient for replacing ploughshares, a locking mechanism comprises a limiting rod two 301, the front end part of the movable shaft 213 is hollow, a top block 305 is movably installed in the hollow part, a jacking rod 304 is arranged on the inner end face of the movable shaft 213, the tail end of the top block 305 is a trapezoidal slot and can expand along with the movement of the jacking rod 304, a fixed shaft 303 is fixedly arranged in the inside of the protective cover 202, the fixed shaft 303 is hollow, the movable shaft 213 passes through the fixed shaft 303, a gear 205 is movably installed on the fixed shaft 303, the side convex part of the gear 205 is provided with a limiting slot 302, and the limiting rod two 301 is clamped at the position of the limiting slot 302.

[0035] After the replacement and repair of the main shaft 204 are completed, the movable shaft 213 moves forward along with the movement of the nut 207 during the resetting process of the main shaft, the movement is stopped when the top block 305 in the movable shaft 213 abuts against the end cover 201, the movable shaft 213 continues to move forward, the jacking rod 304 in the movable shaft 213 moves forward to expand the top block, the limiting rod two 301 is clamped in the limiting slot 302, and the cooperation with the gear 205 is completed.

[0036] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A mini tiller with easy replacement of plough share comprising a power unit (1) characterized in that: The power device (1) rear fixed mounting has adjusting device (2), the adjusting device (2) below fixed mounting has transmission device (3), the transmission device (3) right side fixed mounting has rotary tillage device (4), the rotary tillage device (4) includes dismounting mechanism, protection mechanism and locking mechanism.

2. The mini-tiller with replaceable share according to claim 1, characterized in that: The rotary tillage device (4) includes an end cover (201), the end cover (201) is fixedly installed on the protective cover (202) by screw, the inside of the protective cover (202) is provided with a cavity, the inside of the cavity is movably installed with a gear (205).

3. The mini-tiller with replaceable share according to claim 2, wherein: The gear (205) is movably installed on the main shaft (204), a plurality of share (203) is fixedly installed on the main shaft (204) by screw.

4. The mini-tiller with replaceable share according to claim 3, wherein: The dismounting mechanism includes a nut (207), both ends of the main shaft (204) are provided with a threaded groove (208), the nut (207) is installed on the main shaft (204) by thread, both ends of the main shaft (204) are partially hollow, the hollow portion is movably installed with a shaft (213).

5. The mini-tiller with replaceable share according to claim 4, wherein: The main shaft (204) is provided with a notch (212), the shaft (213) is provided with a limit rod (209), the limit rod (209) moves in the notch (212), the spring (210) is fixedly installed between the shaft (213) and the main shaft (204), the limit rod (209) is pressed against the nut (207) under the action of the spring (210).

6. The mini-tiller with replaceable share according to claim 1, wherein: The protection mechanism includes a foldable rubber ring (206), the foldable rubber ring (206) is movably installed between the share (203) and the nut (207), the spring (211) is movably installed below the foldable rubber ring (206).

7. The mini-tiller with replaceable share according to claim 4, wherein: The locking mechanism includes a limit rod (301), the front end of the shaft (213) is partially hollow, the hollow portion is movably installed with a top block (305), the inside end face of the shaft (213) is provided with a top rod (304), the end of the top block (305) is a trapezoidal notch and can expand with the movement of the top rod (304), the inside of the protective cover (202) is fixedly provided with a fixed shaft (303), the fixed shaft (303) is hollow, the shaft (213) passes through the fixed shaft (303), the gear (205) is movably installed on the fixed shaft (303), the side of the gear (205) is protruded and is provided with a limit slot (302), the limit rod (301) is clamped in the limit slot (302).

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