Mini-tiller

Abstract

The utility model provides a mini-tiller which comprises a transition rod, a first supporting frame, a second supporting frame, a hinge column and a third supporting frame. According to the auxiliary device, the transition rod is fixedly connected with the quick connector, the second supporting frame is fixedly connected with the connecting platform and the transition rod respectively, the first supporting frame is hinged to the second supporting frame, and meanwhile the first supporting frame is hinged to the transition rod, so that installation of the auxiliary device is further stable; therefore, the stability of connection between the heavy original mini-tiller and the auxiliary device is improved, and the situation that the connecting position is bent is reduced.

Description

Technical Field

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

[0002] In the existing farming operations, two-wheel drive micro-tillage machines are deeply loved by farmers in Sichuan, Guizhou, Yunnan and other places with steep slopes and high mountains because they can go to places that medium and large rotary tillers cannot reach for farming and they are cheap and durable. Basically, every household has such a micro-tillage machine. The existing micro-tillage machines are generally divided into two working modes when in use. One is that people follow the micro-tillage machine to work on steeper sections; the other is that people ride on the micro-tillage machine to work on relatively flat land; the conversion between these two modes is generally achieved by adding auxiliary devices to the original micro-tillage machine. However, when the existing auxiliary devices are connected, they are only connected to the quick installation head on the original micro-tillage machine, which makes the connection between the heavier original micro-tillage machine and the auxiliary device unstable and prone to bending at the connection. Utility Model Content

[0003] The purpose of the utility model is to design a micro-tillage machine to solve the problems raised by the background technology. To achieve the above purpose, the utility model provides the following technical solutions: including a splicing rod fixedly connected to the machine head, a quick connector arranged at the end of the splicing rod and a connecting platform fixedly connected to the machine head, and also including a transition rod connected to the quick connector, a first support frame hinged to the transition rod, a second support frame fixedly connected to the top of the transition rod, and a third support frame hinged to the hinge column in the second support frame, the bottom of the third support frame is fixedly connected to the first support frame, the top of the second support frame is connected to the connecting platform, and the hinge column is coaxial with the hinge of the transition rod.

[0004] Furthermore, the third support frame includes a rotating column hinged to the hinge column, a first rod fixed to the rotating column, and a second rod fixed to the first rod, and the first rod and the second rod are both fixed to the first support frame.

[0005] Furthermore, two first functional interfaces are fixedly connected to the first support frame, and a second functional interface is provided on the head portion of the machine.

[0006] Furthermore, a retractable handle is rotatably connected to the connecting platform, and a clutch connected to the machine head is provided on the handle.

[0007] Furthermore, a tool wheel is provided on the machine head, a seat, a transmission mechanism and two auxiliary wheels are installed on the first support frame, the transmission mechanism is connected to the two auxiliary wheels through a rotating shaft, the transmission mechanism is installed with two brake assemblies for respectively controlling the rotation speed of the auxiliary wheels, and the transmission mechanism is connected to an output shaft in the machine head.

[0008] Furthermore, the transmission mechanism includes a transmission member connected to the output shaft, a first gearbox connected to the transmission member, and a second gearbox connected to the first gearbox, the output end of the second gearbox is connected to the two rotating shafts, and each of the rotating shafts is connected to the auxiliary wheel through a brake disc.

[0009] Furthermore, the brake assembly includes a brake pad disposed on the brake disc and a brake rod connected to the brake pad.

[0010] Furthermore, the transmission member may be a hydraulic component, which includes a first hydraulic pump connected to the output shaft, the first hydraulic pump is connected to a first hydraulic motor via a first pipeline, the first hydraulic motor is mounted on the first support frame, the output end of the first hydraulic motor is connected to the second gearbox, and a hydraulic control element is provided on the first pipeline.

[0011] Furthermore, the first gearbox is also provided with a power output interface.

[0012] Furthermore, the first gearbox is also provided with a power output interface.

[0013] Furthermore, the brake assembly includes a brake pad disposed on the brake disc and a brake rod connected to the brake pad.

[0014] Furthermore, a reset rod is provided on the first support frame, and the brake rod is connected to the reset rod through a spring.

[0015] Furthermore, the first support frame is provided with a first fixing column, the second support frame is provided with a limiting rod, the limiting rod is provided with a second fixing column, and the first fixing column is fixedly connected to the second fixing column via a connecting rod.

[0016] Furthermore, the seat can be installed on the first support frame in a forward and reverse direction, an L-shaped rod is provided at the bottom of the seat, a support rod is provided on the first support frame, a limiting hole is provided on the support rod for being socketed with the L-shaped rod, the limiting hole and the L-shaped rod are provided with an alignable first adjustment hole, and a first pin shaft connects the L-shaped rod and the support rod through the two aligned limiting holes.

[0017] Furthermore, the transmission mechanism may be composed of a pneumatic transmission mechanism, a hydraulic transmission mechanism, an electric transmission mechanism or an external engine.

[0018] Furthermore, the hydraulic transmission mechanism includes a second hydraulic pump connected to the output shaft, the second hydraulic pump is connected to two second hydraulic motors installed on the first support frame through a second pipeline, the output end of each second hydraulic motor is connected to an auxiliary wheel, and a plurality of valves and hydraulic elements are provided on the second pipeline.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model further stabilizes the installation of the auxiliary device by fixing the transition rod to the quick connector, fixing the second support frame to the connecting platform and the transition rod respectively, and hingedly connecting the first support frame to the second support frame, while hingedly connecting the first support frame to the transition rod; therefore, the utility model improves the stability of the connection between the heavier original micro-tillage machine and the auxiliary device, and reduces the possibility of bending at the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is an enlarged schematic diagram of the brake assembly of the utility model.

[0024] Among them: 1. Machine head; 11. Splicing rod; 12. Quick connector; 13. Second functional interface; 14. Handle; 15. Tool wheel; 16. Connecting platform; 2. First support frame; 21. Seat; 210. L-shaped rod; 211. Support rod; 212. Limit hole; 22. Transmission member; 221. First gearbox; 222. Second gearbox; 23. Auxiliary wheel; 24. Rotating shaft; 25. Brake assembly; 251. Brake disc; 252. Brake pad; 253. Brake rod; 254. Reset rod; 255. Spring; 26. First functional interface; 3. Third support frame; 31. Rotating column; 32. First rod; 33. Second rod; 4. Connecting rod; 41. First fixed column; 42. Limit rod; 43. Second fixed column; 5. Second support frame. DETAILED DESCRIPTION

[0025] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0026] Example: Please refer to Figure 1-2 A micro-tillage machine comprises a splicing rod 11 fixedly connected to a machine head 1, a quick connector 12 arranged at the end of the splicing rod 11 and a connecting platform 16 fixedly connected to the machine head 1, and also comprises a transition rod connected to the quick connector 12, a first support frame 2 hinged to the transition rod, a second support frame 5 fixedly connected to the top of the transition rod and a third support frame 3 hinged to a hinge column in the second support frame 5, the bottom of the third support frame 3 is fixedly connected to the first support frame 2, the top of the second support frame 5 is connected to the connecting platform 16, and the hinge of the hinge column and the transition rod are coaxial; wherein the quick connector 12 adopts the quick connector 12 in the original machine head 1, and the installation method of the transition rod and the quick connector 12 adopts the installation method in the existing connection method, such as rotating one end of the transition rod to be connected to the U-shaped plate of the quick connector 12 in the form of a latch, and two limit columns are arranged in the U-shaped plate, and the transition rod is installed It has threads, and the quick connector 12 is connected to the transition rod by supporting the limit column with the end of the thread; in the utility model, the first support frame 2 is hinged to the second support frame 5 and the first support frame 2 is hinged to the transition rod at the same time, so that the installation of the auxiliary device is further stabilized; therefore, the utility model adopts the form in which the first support frame 2 is hinged to the second support frame 5 and the transition rod at the same time, which improves the stability of the connection between the heavier original micro-tiller and the auxiliary device, and reduces the bending at the connection; and the second support frame 5 includes a fixed plate fixed to the top of the transition rod, a fixed rod fixed to the top of the fixed plate and connected to the connecting platform 16, a support plate is provided on the fixed rod, and a hinge column is fixed to the support plate, thereby realizing the hinge of the first support frame 2 and the second support frame 5, and then realizing the "hinge" of the auxiliary mechanism and the machine head 1, so that the installation of the auxiliary device is further stabilized.

[0027] In this embodiment, the second support frame 5 includes a rotating column 31 hinged to the hinge column, a first rod 32 fixed to the rotating column 31 and a second rod 33 fixed to the first rod 32. The first rod 32 and the second rod 33 are both fixed to the third support frame 3, thereby ensuring the stability of the connection between the third support frame 3 and the machine head 1, thereby improving the stable connection between the auxiliary equipment and the machine head 1; and the first support frame 2 is fixed with two first functional interfaces 26, and the machine head 1 is provided with a second functional interface 13; wherein, the middle first functional interface 26 can be connected to a furrowing plow, a scraper plate, etc., and the rear first functional interface 26 can be connected to functional equipment such as a sprayer, a seeding machine and a laminating machine, thereby playing a traction role, and the second functional interface 13 can be hung with a counterweight, and a rotary tiller can be placed on the rod of the second functional interface 13, and the rotary tiller can be hung to facilitate the driving of the micro-tillage machine on the road. The connection methods of the above-mentioned functional interfaces can all adopt existing connection methods.

[0028] In this embodiment, a tool wheel 15, such as a rotary tillage wheel, is provided on the machine head 1. This wheel rotates at high speed during operation and uses the gravity of the entire machine to dig or cut the soil layer to complete the operation; the tool wheel 15 can also use different wheels in different scenarios, including rubber wheels, smooth wheels, rotary tillage knives, deep tillage hoes, spiral furrowing knives, weeding knives, etc.; a seat 21, a transmission mechanism and two auxiliary wheels 23 are installed on the first support frame 2. The transmission mechanism is connected to the two auxiliary wheels 23 through a rotating shaft 24. Two brake assemblies 25 for respectively controlling the rotation speed of the auxiliary wheels 23 are installed on the transmission mechanism. The transmission mechanism is connected to an output shaft in the machine head 1, wherein the auxiliary wheel 23 is a walking wheel. The walking wheel uses different wheels in different scenarios, such as a horse When driving on the road, rubber wheels are used, spike wheels are used in the soil, smooth anti-sinking wheels are used in paddy fields, etc.; the transmission mechanism includes a transmission member 22 connected to the output shaft, a first gearbox 221 connected to the transmission member 22, and a second gearbox 222 connected to the first gearbox 221. The output end of the second gearbox 222 is connected to two shafts 24, each shaft 24 is connected to the auxiliary wheel 23 through a brake disc 251, and the brake assembly 25 includes a brake pad 252 provided on the brake disc 251 and a brake rod 253 connected to the brake pad 252. The transmission member 22 can be a transmission soft shaft or a transmission hard shaft, which can transmit the torque generated by the diesel motor in the machine head 1 to the transmission mechanism, thereby driving the auxiliary wheel 23 to rotate; The first gearbox 221, the second gearbox 222 and the brake disc 251 all adopt the existing technology and are used for the speed control of the auxiliary wheel 23. When turning or U-turning is required, the rotation speeds of the left and right auxiliary wheels 23 are inconsistent, and the turning direction of the micro-tillage machine can be realized. The auxiliary wheel 23 with a high rotation speed turns and turns around the direction of the auxiliary wheel 23 with a low rotation speed, thereby eliminating the turning method of the micro-tillage machine that requires manual adjustment of the machine head 1, making the operation more convenient for the operator; and the first gearbox is also provided with a power output interface, which provides power for other functional machines, such as the mounted sprayer and the seeding machine, which require external power input for their internal mechanical operation. In addition, in the present embodiment, the transmission member 22 may be a hydraulic assembly, which includes a first hydraulic pump connected to the output shaft, the first hydraulic pump is connected to the first hydraulic motor through a first pipeline, the first hydraulic motor is mounted on the first support frame 2, the output end of the first hydraulic motor is connected to the second gearbox 222 (the use of the first gearbox 221 will be cancelled at this time), a hydraulic control element is provided on the first pipeline, and the second gearbox 222 is driven by the first hydraulic motor instead of the flexible shaft or the transmission hard shaft, and the rotation speed of the first hydraulic motor and the rotation direction of its output shaft are realized by the hydraulic control element, thereby realizing multi-stage speed regulation and forward and reverse rotation of the auxiliary wheel 23, enriching the driving mode of the auxiliary wheel 23.

[0029] A reset rod 254 is provided on the first support frame 2, and the brake rod 253 is connected to the reset rod 254 through a spring 255. When the turn is completed, the brake rod 253 is released, and under the action of the spring 255, the brake pad 252 will return to its original position, thereby ensuring that the two auxiliary wheels 23 have the same rotation speed and ensuring the normal operation of the micro-tiller; in addition, the micro-tiller can maintain its original working mechanism by removing the connection at the hinge, thereby enriching the practical functions of the present invention.

[0030] In this embodiment, the seat 21 allows the operator to sit on the micro-tillage machine to operate the micro-tillage machine, so that the operator is not easily fatigued, thereby improving work efficiency, reducing the occurrence of safety accidents, and increasing the weight of the micro-tillage machine, improving the operating stability and uniformity of the micro-tillage machine, so that the quality of rotary tillage is improved; and the first supporting frame 2 is provided with a first fixed column 41, and the second supporting frame 5 is provided with a limiting rod 42, and the limiting rod 42 is provided with a second fixed column 43, and the first fixed column 41 is fixedly connected to the second fixed column 43 through the connecting rod 4, and the fixing method can be realized by a pin shaft limiting method; and the connecting platform 16 is rotatably connected with a retractable The handle 14 is provided with a clutch connected to the machine head 1; when the operator uses the micro-tillage machine, there are two operating modes, one is to fix the first fixing column 41 and the second fixing column 43 by the connecting rod 4, so as to realize the locking of the two hinges, and then the speed difference of the two auxiliary wheels 23 can be adjusted to realize the effect of turning by using the speed difference of the two auxiliary wheels 23, thereby reducing the labor intensity of the operator; the second is when the riding rotary tillage method cannot be used (for example, rotary tillage of fields with large slopes and the edge of dangerous soil) or when walking on the road (not suitable for turning by speed difference), at this time, The connecting rod 4 is taken out so that the hinge can rotate normally, and then the operator can turn the rotary tiller by directly operating the handle 14; in addition, the connection between the handle 14 and the connecting platform 16 adopts the existing common connection method; an L-shaped rod 210 is provided at the bottom of the seat 21, and an L-shaped rod 210 is provided at the bottom of the seat 21. A support rod 211 is provided on the first support frame 2, and a limiting hole 212 for sleeve connection with the L-shaped rod 210 is provided on the support rod 211. The limiting hole 212 and the L-shaped rod 210 are provided with a first adjustment hole that can be aligned, and the first pin shaft connects the L-shaped Rod and support rod 211, among which the front and rear adjustment of the seat 21 is used to adapt to operators of different body shapes; at the same time, the telescopic adjustment of the handle 14 can be combined with the front and rear adjustable seat 21, and the operator can control the rotary tiller well while the seat 21 is adjusted; in addition, the seat 21 can be installed on the first support frame 2 in the forward and reverse directions, so that the direction of the seat 21 can be adjusted while the handle is pulled out for the operator's control and smooth riding, and a brake control component is added and a cooperative driving mechanism is used to reverse the auxiliary wheel 23, so that the micro-tiller can directly reverse and dig furrows and ridges on the land at the same time; thereby enriching the flexibility of the practical operation of this invention.

[0031] In addition, in other embodiments; the transmission mechanism can be composed of one of a pneumatic transmission mechanism, a hydraulic transmission mechanism, an electric transmission mechanism or an external engine; wherein the hydraulic transmission mechanism includes a second hydraulic pump connected to the output shaft, and the second hydraulic pump is connected to two second hydraulic motors installed on the first support frame 2 through a second pipeline, and the output end of each second hydraulic motor is connected to an auxiliary wheel 23, and a plurality of valves and hydraulic elements (such as a flow meter, a throttle valve, a reversing valve and a pressure relief valve, etc.) are provided on the second pipeline; when a hydraulic transmission mechanism is adopted, the output shaft of the machine head 1 is connected to the rotating shaft of the second hydraulic pump through a chain drive or a belt drive, and the flow size and direction of the pressure oil are different by adjusting the size of the valve installed on the second pipeline, thereby realizing the different speeds of the auxiliary wheel 23 or the different forward and reverse rotations, and finally the turning or retreating of the micro-tiller; when a pneumatic transmission mechanism is adopted, the output shaft of the machine head 1 is connected to the rotating shaft 2 of the air pump through a chain drive or a belt drive 4 is connected, the air outlet pipe of the air pump will be connected to the two air motors, and the output end of each air motor is connected to the two auxiliary wheels 23. By adjusting the valves installed on the inlet and outlet pipes, the flow size and direction can be different, thereby realizing the different speeds of the auxiliary wheels 23 or the different forward and reverse rotations, and finally the turning or retreat of the micro-tiller; when an external engine is adopted, such as a diesel engine, the output shaft of the diesel engine is matched with the driving gearbox to achieve; and the electric transmission mechanism can be adopted in two forms, one is the form of directly using a battery to power the motor, and the output shaft of the motor drives the gearbox to achieve, which is similar to the structure in the above embodiment; the second is the form of connecting the output shaft of the head 1 to a generator, the generator generates electricity and drives the relevant motor to rotate, and then drives the gearbox to achieve, in addition, the generator can also drive other electronic components, such as rotary tillage at night or electric lighting on the way home at night, etc.; further improves the practicality of the utility model.

[0032] How it works

[0033] When a riding rotary tiller is used, the transition rod is first hingedly installed with the first support frame 2, and then the third support frame 3 fixed to the first support frame 2 is hinged with the hinge column, and then the transition rod is fixedly connected with the quick connector 12, so as to realize the "hinge" of the auxiliary mechanism and the machine head 1, so that the installation of the auxiliary device is further stabilized; therefore, the utility model adopts the form in which the first support frame 2 is hinged with the second support frame 5 and the transition rod at the same time, which improves the stability of the connection between the heavier original micro-tillage machine and the auxiliary device and reduces the possibility of bending at the connection; when turning, the handle 1 is used When the tiller is driven by the handle 14, the connecting rod 4 is taken out, thereby canceling the fixation between the first fixing column 41 and the second fixing column 43, so that the hinge can rotate normally, and then the operator can turn the rotary tiller by directly operating the handle 14; when the handle 14 is not used to drive the tiller to turn, the first fixing column 41 and the second fixing column 43 are fixed by the connecting rod 4, so that the two hinges are locked, and then the speed difference of the two auxiliary wheels 23 can be adjusted to achieve the effect of turning by using the speed difference of the two auxiliary wheels 23, thereby reducing the labor intensity of the operator.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0035] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A micro-tillage machine, comprising a splicing rod (11) fixedly connected to a machine head (1), a quick connector (12) provided at the end of the splicing rod (11) and a connecting platform (16) fixedly connected to the machine head (1), characterized in that: It also includes a transition rod connected to the quick connector (12), a first support frame (2) hinged to the transition rod, a second support frame (5) fixed to the top of the transition rod, and a third support frame (3) hinged to a hinge column in the second support frame (5), the bottom of the third support frame (3) is fixed to the first support frame (2), the top of the second support frame (5) is connected to the connecting platform (16), and the hinge column is coaxial with the hinge of the transition rod.

2. The micro-tillage machine according to claim 1, characterized in that: The third support frame (3) comprises a rotating column (31) hinged to the hinge column, a first rod (32) fixedly connected to the rotating column (31), and a second rod (33) fixedly connected to the first rod (32), and the first rod (32) and the second rod (33) are both fixedly connected to the first support frame (2).

3. The micro-tillage machine according to claim 1, characterized in that: The machine head (1) is provided with a tool wheel (15), the first support frame (2) is provided with a seat (21), a transmission mechanism and two auxiliary wheels (23), the transmission mechanism is connected to the two auxiliary wheels (23) via a rotating shaft (24), the transmission mechanism is provided with two brake assemblies (25) for respectively controlling the rotation speed of the auxiliary wheels (23), and the transmission mechanism is connected to an output shaft in the machine head (1).

4. The micro-tillage machine according to claim 3, characterized in that: The transmission mechanism comprises a transmission member (22) connected to the output shaft, a first gearbox (221) connected to the transmission member (22), and a second gearbox (222) connected to the first gearbox (221); the output end of the second gearbox (222) is connected to the two rotating shafts (24); each rotating shaft (24) is connected to the auxiliary wheel (23) via a brake disc (251).

5. The micro-tillage machine according to claim 4, characterized in that: The brake assembly (25) comprises a brake pad (252) disposed on the brake disc (251) and a brake rod (253) connected to the brake pad (252).

6. The micro-tillage machine according to claim 4, characterized in that: The transmission member (22) is a hydraulic component, which includes a first hydraulic pump connected to the output shaft, the first hydraulic pump is connected to a first hydraulic motor via a first pipeline, the first hydraulic motor is mounted on the first support frame (2), the output end of the first hydraulic motor is connected to the second gearbox (222), and a hydraulic control element is provided on the first pipeline.

7. The micro-tillage machine according to any one of claims 3 to 6, characterized in that: The first support frame (2) is provided with a first fixing column (41), the second support frame (5) is provided with a limiting rod (42), the limiting rod (42) is provided with a second fixing column (43), and the first fixing column (41) is fixedly connected to the second fixing column (43) via a connecting rod (4).

8. The micro-tillage machine according to any one of claims 3 to 6, characterized in that: The seat (21) can be installed on the first support frame (2) in a forward or reverse direction; an L-shaped rod (210) is provided at the bottom of the seat (21); a support rod (211) is provided on the first support frame (2); a limiting hole (212) for sleeve-connecting with the L-shaped rod (210) is provided on the support rod (211); the limiting hole (212) and the L-shaped rod are provided with first alignable adjustment holes; a first pin connects the L-shaped rod (210) and the support rod (211) via the two aligned limiting holes (212).

9. The micro-tillage machine according to claim 3, characterized in that: The transmission mechanism is composed of a pneumatic transmission mechanism, a hydraulic transmission mechanism, an electric transmission mechanism or an external engine.

10. The micro-tillage machine according to claim 9, characterized in that: The hydraulic transmission mechanism includes a second hydraulic pump connected to the output shaft, the second hydraulic pump is connected to two second hydraulic motors installed on the first support frame through a second pipeline, the output end of each second hydraulic motor is connected to an auxiliary wheel, and a plurality of valves and hydraulic elements are arranged on the second pipeline.

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