Mini-tiller

Abstract

The utility model relates to the field of agricultural machinery, in particular to a mini-tiller. The handheld operation part is fixed above the power part; the device further comprises a connecting arm, an arc-shaped adjusting block, a plug pin, a rotating shaft, two rear walking wheels, a driving wheel, a driven wheel and a belt. The arc-shaped adjusting block is provided with a plurality of adjusting holes; the connecting arm is fixedly connected with the tillage component; the arc-shaped adjusting block is slidably arranged in the connecting arm; the driving wheel is fixedly connected with the tillage component; the driven wheel is fixed on the rotating shaft; the belt is matched with the driving wheel and the driven wheel; the position of the arc-shaped adjusting block is adjusted through the plug pin, the walking state and the tilling state are switched, the belt is kept tensioned in the switching process, when the belt is switched to the walking state, power can be provided for the belt through the power component, climbing, hilly crossing and the like are facilitated, and therefore the problems that an existing mini-tiller is troublesome to disassemble and replace, and time and labor are wasted are solved.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, in particular to a micro-tillage machine. Background Art

[0002] A micro-tillage machine is a small tillage machine powered by a small diesel or gasoline engine. It features light weight, compact size, and simple structure. Widely used in dry land, paddy fields, and orchards across plains, mountainous areas, and hilly regions, it can pump water, generate electricity, spray pesticides, and even tow trailers for short-distance transport. Its versatility and practicality have earned it a place in the agricultural machinery field thanks to its flexibility and adaptability, particularly in mountainous and hilly areas.

[0003] The existing micro-tillage machine includes a power component, a tillage component and a traveling component, wherein the tillage component and the traveling component can be disassembled and used interchangeably. When moving, the traveling component is installed on the transmission mechanism of the power component, moved to the tillage location, and then disassembled and replaced with the tillage component, and tillage is performed through the tillage component.

[0004] However, it is troublesome to disassemble and replace the walking parts and tillage parts of this micro-tillage machine, especially when moving short distances between multiple fields in hilly areas. Frequent disassembly is time-consuming and labor-intensive. Utility Model Content

[0005] The utility model aims to provide a micro-tillage machine to solve the problem that the existing micro-tillage machines are troublesome to disassemble and replace, and are time-consuming and labor-intensive.

[0006] To achieve the above-mentioned purpose, the utility model provides a micro-tillage machine, including a power component, a tillage component and a hand-held operating component, the tillage component is installed on both sides of the transmission shaft of the power component; the hand-held operating component is fixed to the side and rear of the gearbox of the power component; it also includes an auxiliary walking component and an adjustment component, the adjustment component includes a connecting arm fixed to the rear end of the gearbox of the power component, the connecting arm has an arc-shaped opening, and an arc-shaped adjustment block is provided in the arc-shaped opening, which can be positioned after the vertical plane swing adjustment position; the auxiliary walking component includes a mounting frame fixed to the front end of the gearbox of the power component, and the mounting frame is provided with a front walking wheel; a rotating shaft is installed on the side and lower part of the arc-shaped adjustment block, and rear walking wheels are provided on both sides of the rotating shaft; the front walking wheel and the rear walking wheel are located on both sides of the tillage component.

[0007] Working principle: The power component can use a gasoline engine as a power source to drive the tillage component to rotate. The tillage component mainly includes a transmission shaft and a tillage tool. The handheld operating component includes an armrest, a control switch, a pull wire, etc., which is used for people to hold in order to control the power start and stop, clutch braking, steering, etc. of the micro-tiller; the above structure is relatively existing and will not be repeated below; the connecting arm of the adjustment assembly is used to connect the arc adjustment block, and the arc adjustment block swings in the connecting arm; when moving, the angle of the rear walking wheel is adjusted by moving the arc adjustment block, so that the front walking wheel and the rear walking wheel are lower than the tillage component, so that the tillage component is suspended, which is easier to move; when tilling, the position of the arc adjustment block is adjusted so that the tillage component and the front walking wheel are lower than the rear walking wheel, so that the rear walking wheel is suspended, and the tillage component contacts the ground to work. When tilling, the front walking wheel is not powered and only forms a support point at the front end of the tillage component, which does not affect the work of the tillage component.

[0008] Beneficial effect: By setting the arc-shaped adjustment block to adjust the angle of the rear walking wheel, the two states of tillage and walking can be quickly switched, the flexibility of the micro-tillage machine is improved, it is more suitable for scattered fields in hilly and mountainous terrain, and the frequent disassembly and replacement of walking wheels and tillage tools is avoided.

[0009] Preferably, the adjustment assembly further comprises a cross arm integrally formed with the arc-shaped adjustment block, a bearing ring is fixed to the end of the cross arm, and the bearing ring is used to mount the rotating shaft.

[0010] Beneficial effect: The integrally formed cross arm has a higher load-bearing capacity and can more effectively connect the bearing ring and the rotating shaft.

[0011] Preferably, the adjustment assembly further includes a latch, the connecting arm further has a fixing hole, and the arc-shaped adjustment block has multiple adjustment holes. When the positions of the adjustment holes and the fixing holes correspond, the latch can be used to fix the connecting arm and the arc-shaped adjustment block.

[0012] Beneficial effect: The arc-shaped adjustment block can be quickly fixed by the latch, which is simple, convenient and easy to use.

[0013] Preferably, it also includes a driving wheel fixed coaxially with the tillage component; a driven wheel is fixed on the rotating shaft inside the rear walking wheel, and the driving wheel and the driven wheel are driven by a belt.

[0014] Beneficial effect: the driving wheel rotates along with the tillage component, thereby driving the driven wheel and the rear travel wheel to rotate, providing power to the rear travel wheel, which can save effort when climbing hills, mountains and other areas.

[0015] Preferably, it further comprises a permanent magnet and a magnetic block, wherein the permanent magnet is fixed in the connecting arm; and the magnetic block is fixed on the latch.

[0016] Beneficial effect: the permanent magnet is used to absorb the magnetic block, so that the pin will not fall off due to slight vibration, thereby improving stability.

[0017] Preferably, it further comprises a plurality of washers, which are arranged on the outside of the driven wheel; the washers have openings and are made of elastic material.

[0018] Beneficial effects: The plurality of washers are used to increase the diameter of the driven wheel and adjust the tension of the belt. The washers are made of openings and elastic materials, which are used for convenient and quick disassembly.

[0019] Preferably, it further comprises a pull rod, which is fixed on a side of the latch away from the magnetic block.

[0020] Beneficial effect: the pull rod can be used to more easily pull out the latch. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a structural schematic diagram of a micro-tillage machine embodiment.

[0022] Figure 2 This is a top view of an embodiment of a micro-tillage machine of the present utility model.

[0023] Figure 3 This is a micro-tillage machine embodiment of the utility model based on Figure 2 A-A cross-sectional view.

[0024] Figure 4 This is a micro-tillage machine embodiment of the utility model Figure 3 A partial enlargement of detail C.

[0025] Figure 5 This is a micro-tillage machine embodiment of the utility model based on Figure 2 Cross-sectional view of B-B.

[0026] Figure 6 This is a micro-tillage machine embodiment of the utility model Figure 5 A partial enlargement of detail D.

[0027] The figure marks in the drawings of the specification include: 1 power component, 2 tillage component, 3 hand-held operating component, 4 connecting arm, 5 arc-shaped adjustment block, 6 arc-shaped opening, 7 mounting frame, 8 front walking wheel, 9 rear walking wheel, 10 rotating shaft, 11 cross arm, 12 bearing ring, 13 pin, 14 fixing hole, 15 adjustment hole, 16 driving wheel, 17 driven wheel, 18 belt, 19 permanent magnet, 20 magnetic block, 21 washer, 22 opening, 23 pull rod. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to explain the present invention and do not limit the scope of protection of the present invention.

[0029] The terms "first", "second" and the like in the specification, claims and embodiments of this application are used to distinguish similar objects rather than to describe a specific order or sequential sequence.

[0030] The present invention is further described in detail below through preferred specific embodiments:

[0031] As attached Figures 1 to 6 As shown: Figure 1 This is a structural schematic diagram of an embodiment of a micro-tillage machine of the present utility model; Figure 2 This is a top view of an embodiment of a micro-tillage machine of the present utility model; Figure 3 This is a micro-tillage machine embodiment of the utility model based on Figure 2 A—A sectional view; Figure 4 This is a micro-tillage machine embodiment of the utility model Figure 3 A partial enlarged view of detail C; Figure 5 This is a micro-tillage machine embodiment of the utility model based on Figure 2 B—B’s cross-sectional view; Figure 6 This is a micro-tillage machine embodiment of the utility model Figure 5 A partial enlargement of detail D.

[0032] In this implementation, see Figure 1 The tillage component 2 is installed on both sides of the transmission shaft of the power component 1; the power component 1 includes a fuel tank, a gasoline engine, a reducer, a gearbox, a transmission component, etc., and a hand-held operating component 3 is fixed to the side and rear of the gearbox of the power component 1. The hand-held operating component 3 includes an armrest, a control switch, a pull wire, etc. The above structure is relatively existing and is not drawn in detail in the figure.

[0033] A mounting frame 7 is also fixed to the front end of the gearbox of the power component 1, and a front walking wheel 8 is installed in the mounting frame 7. A connecting arm 4 is fixed to the rear end of the gearbox of the power component 1, and the connecting arm 4 has an arc-shaped opening 6. An arc-shaped adjustment block 5 that can slide up and down is installed in the arc-shaped opening 6. The arc-shaped adjustment block 5 is centered on the transmission shaft on which the tillage component is installed. When it swings, it makes a small-angle circular motion around the tillage component.

[0034] The arc-shaped adjustment block 5 is provided with a plurality of adjustment holes 15, and the connecting arm 4 is also provided with a fixing hole 14. The arc-shaped adjustment block 5 and the connecting arm 4 are fixed by a latch 13. When adjusting the arc-shaped adjustment block 5, when the adjustment hole 15 and the fixing hole 14 correspond to each other, the latch 13 is passed through the fixing hole 14 and the adjustment hole 15 in sequence to fix the two.

[0035] A cross arm 11 is integrally formed and connected to the bottom of the arc-shaped adjustment block 5, and a bearing ring 12 is connected to the end of the cross arm 11. A rotatable rotating shaft 10 is provided in the bearing ring 12, and the two sides of the rotating shaft 10 are connected to the rear walking wheel 9. A driven wheel 17 is also fixed on the rotating shaft 10 on the inner side of the rear walking wheel 9, and a driving wheel 16 is fixed on the outer side of the tillage component 2. The driving wheel 16 and the driven wheel 17 are driven by a belt 18, which drives the rear walking wheel 9 to rotate.

[0036] See also Figures 1 to 4 A permanent magnet 19 is provided in the connecting arm 4, and a magnetic block 20 is provided on the pin 13. When the pin 13 is inserted into the connecting arm 4, the magnetic block 20 is adsorbed to the side of the permanent magnet 19, and the pin 13 can be temporarily fixed in the connecting arm 4 so that it will not fall due to easy vibration. A pull rod 23 is also fixed on the outside of the pin 13, and the pull rod 23 can be used to make it easier to pull out the pin 13.

[0037] See also Figure 2 、 Figure 5 and Figure 6 A plurality of washers 21 are provided on the outside of the driven wheel 17 . The washers 21 have openings 22 and are made of elastic material. They can be quickly assembled and disassembled to adjust the tension of the belt 18 .

[0038] The preferred embodiment of the present application is described in detail above in conjunction with the accompanying drawings. The typical well-known structures and common knowledge technologies in the preferred embodiment are not described in detail here. Ordinary technicians in the relevant field can, under the inspiration given by this embodiment, improve and implement the technical solution of the present utility model in combination with their own abilities. Some typical well-known structures, well-known methods or common knowledge technologies should not become obstacles for ordinary technicians in the relevant field to implement this application.

[0039] The scope of protection required by this application shall be based on the contents of its claims, and the contents of the utility model, specific implementation methods and the contents recorded in the drawings of the specification shall be used to interpret the claims.

[0040] Within the technical concept of this application, several modifications may be made to the specific implementation methods of this application, and these modified implementation methods should also be considered to be within the scope of protection of this application.

Claims

1. A micro-tillage machine comprising a power unit, a tillage unit, and a handheld operating unit, wherein the tillage unit is mounted on both sides of a transmission shaft of the power unit; and the handheld operating unit is fixed to the rear side of a gearbox of the power unit; characterized in that: The invention also includes an auxiliary walking assembly and an adjustment assembly, wherein the adjustment assembly includes a connecting arm fixed to the rear end of the gearbox of the power component, the connecting arm having an arc-shaped opening, and an arc-shaped adjustment block is provided in the arc-shaped opening and can be positioned after swinging and adjusting the position in the vertical plane; The auxiliary walking assembly includes a mounting frame fixed to the front end of the gearbox of the power component, and a front walking wheel is provided in the mounting frame; a rotating shaft is installed on the lower side of the arc-shaped adjustment block, and rear walking wheels are provided on both sides of the rotating shaft; the front walking wheel and the rear walking wheel are located on both sides of the tillage component.

2. A micro-tillage machine according to claim 1, characterized in that: The adjustment assembly further includes a cross arm integrally formed with the arc-shaped adjustment block, a bearing ring is fixed to the end of the cross arm, and the bearing ring is used to mount the rotating shaft.

3. The micro-tillage machine according to claim 2, characterized in that: The adjustment assembly also includes a latch, the connecting arm also has a fixing hole, and the arc-shaped adjustment block has multiple adjustment holes. When the positions of the adjustment holes and the fixing holes correspond, the latch can be used to fix the connecting arm and the arc-shaped adjustment block.

4. The micro-tillage machine according to claim 3, characterized in that: It also includes a permanent magnet and a magnetic block, wherein the permanent magnet is fixed in the connecting arm; and the magnetic block is fixed on the latch.

5. The micro-tillage machine according to claim 1, characterized in that: It also includes a driving wheel fixed coaxially with the tillage component; a driven wheel is fixed on the rotating shaft inside the rear walking wheel, and the driving wheel and the driven wheel are driven by a belt.

6. The micro-tillage machine according to claim 5, characterized in that: It also includes a plurality of washers, which are arranged on the outside of the driven wheel; the washers have openings and are made of elastic material.

7. The micro-tillage machine according to claim 4, characterized in that: It also includes a pull rod, which is fixed on a side of the latch away from the magnetic block.

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