Multifunctional mini-tiller with replaceable sub-cases

Abstract

The multifunctional mini-tiller comprises a gearbox, an output shaft is rotationally connected to the gearbox, connecting rods are fixedly connected to the two ends of the output shaft, ploughing roller teeth are movably connected to the outer walls of the connecting rods, limiting discs are fixedly connected to the outer walls of the connecting rods, and inserting grooves are formed in the limiting discs; inserting blocks are movably connected into the inserting grooves, the inserting blocks are fixedly connected with the ploughing roller teeth, locking grooves are formed in the inserting blocks, the locking grooves extend into the connecting rods, locking columns are movably connected into the locking grooves, and the ploughing roller teeth are in butt joint with the connecting rods, so that the inserting blocks are inserted into the inserting grooves and matched with movement of the pulling rods; a pulling rod drives a locking column on the lower end face of a connecting block to move upwards, the connecting block extrudes a spring, so that sufficient space is provided, an inserting block is in butt joint with an inserting groove, the locking column is clamped in a locking groove in cooperation with springback of the spring, quick locking of ploughing roller teeth is achieved, a cutter is conveniently and quickly replaced, and the labor intensity of workers is relieved. And the use flexibility of the mini-tiller is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to micro plough technology field, concretely is a multifunctional micro plough with replaceable sub-machine box. BACKGROUND

[0002] The micro plough is a kind of small agricultural tillage machinery, it is mainly used for shallow ploughing, rotary ploughing, weeding, ditching, ridge forming and other operations in farmland, and it is small in size, flexible in operation and can adapt to various complex farmland environments, such as mountain terraces, small farmland, orchard and other areas.

[0003] The existing micro plough is usually matched with a driving device to drive the micro plough during use, and the farmland is worked by moving the micro plough, but during actual use, the land needs to be shallow ploughed, rotary ploughed and weeded according to actual conditions, and the cutting tool needs to be replaced according to the type of work when using the micro plough, and the existing micro plough is usually fixed by bolts when connecting the working tool and the connecting rod, which is relatively troublesome to disassemble, and the threads are easily damaged by frequent disassembly and replacement of the bolts for a long time, affecting the normal use of the micro plough, thereby reducing the practicability. SUMMARY

[0004] To solve the above problems, the utility model provides a multifunctional micro plough with replaceable sub-machine box, which solves the problem that the cutting tool needs to be replaced according to different requirements when the micro plough is used, and the connection between the cutting tool and the micro plough is fixed by bolts, which is relatively troublesome to disassemble, affects work efficiency, and the threads are easily damaged by frequent disassembly of the bolts.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional micro plough with replaceable sub-machine box, comprising a gearbox, the gearbox is rotatably connected with an output shaft, the output shaft is fixedly connected with a connecting rod at both ends, the connecting rod outer wall is movably connected with a plough roller, the connecting rod outer wall is fixedly connected with a limiting disc, the limiting disc is provided with a slot, the slot is movably connected with a plug, the plug is fixedly connected with the plough roller, the plug is provided with a locking groove, the locking groove extends into the connecting rod, the locking groove is movably connected with a locking column, the locking column upper end face is fixedly connected with a connecting block, the connecting block upper end face is fixedly connected with a pulling rod, the pulling rod outer wall is slidably connected with a positioning frame, the positioning frame is fixedly connected with the limiting disc, the pulling rod outer surface is provided with a spring, the spring two ends are fixedly connected with the positioning frame and the connecting block respectively.

[0006] The utility model discloses an advantageous effect for: through the butt joint of ploughing gear teeth and connecting rod, make the plug insert in the slot, and cooperate the movement of pull rod, make pull rod with the locking column of connecting block lower end surface move upward, make connecting block extrude spring to provide sufficient space, make the plug butt joint with the slot, and cooperate the rebound of spring, make locking column be stuck in locking groove to realize the quick locking of ploughing gear teeth, convenient for the quick replacement of cutting tool, improve the flexibility of micro -tillage machine use.

[0007] In order to realize the guidance of connecting block and locking column,

[0008] As a further improvement of the above technical solution: the side of the connecting block in contact with the limiting disc is provided with a guide groove, a guide block is slidably connected in the guide groove, and the guide block is fixedly connected with the connecting block.

[0009] The improved beneficial effect is: through the use of guide groove and guide block, the connecting block can be guided to ensure that the connecting block with the locking column always maintains a vertical upward and downward movement track, ensuring the sufficient stability of the locking column lifting.

[0010] In order to realize the more stable connection between ploughing gear teeth and connecting rod,

[0011] As a further improvement of the above technical solution: the end of the connecting rod away from the output shaft is provided with a square butt joint groove, a square butt joint block is movably connected in the square butt joint groove, a stabilizing block is fixedly connected on one side of the square butt joint block, and the stabilizing block is fixedly connected with the ploughing gear teeth.

[0012] The improved beneficial effect is: through the use of square butt joint groove and square butt joint block, the connection between ploughing gear teeth and connecting rod can be more stable, the structural strength between ploughing gear teeth and connecting rod can be improved, and sufficient stability during use can be ensured.

[0013] In order to realize the protection of spring,

[0014] As a further improvement of the above technical solution: an elastic hose is sleeved on the outer surface of the spring, and the two ends of the elastic hose are fixedly connected with the positioning frame and the connecting block respectively.

[0015] The improved beneficial effect is: through the use of elastic hose, the spring can be protected, the soil can be prevented from contacting the spring, the normal use of the spring can be affected, and the service life of the spring can be effectively prolonged.

[0016] In order to realize the quick butt joint between connecting groove and connecting rod,

[0017] As a further improvement of the above technical solution: a connecting groove is formed at the center position of the ploughing gear teeth, and the connecting groove is adapted with the connecting rod.

[0018] The improved beneficial effect is that the ploughing roller tooth and the connecting rod can be quickly and accurately connected through the use of the connecting groove, ensuring that the ploughing roller tooth is stable enough during use.

[0019] In order to realize the installation and fixation of the shaft coupling and the gearbox,

[0020] As a further improvement of the above technical solution: the gearbox is fixedly connected with a shaft coupling on one side, and the shaft coupling is fixedly connected with a flange plate on the end away from the gearbox, and a plurality of retaining holes are formed in the flange plate.

[0021] The improved beneficial effect is that the gearbox can be driven through the use of the shaft coupling, and the shaft coupling and the gearbox can be fixed through the use of the flange plate and the retaining holes, ensuring that they are stable enough during use.

[0022] In order to realize the flexible movement of the pulling rod and the locking column,

[0023] As a further improvement of the above technical solution: the pulling rod is fixedly connected with a pulling block on the end away from the connecting block.

[0024] The improved beneficial effect is that the pulling rod can be moved flexibly through the pulling of the pulling block, facilitating the flexible movement of the locking column and the quick and flexible replacement of the tool by the operator.

[0025] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The three-dimensional measurement structure diagram provided by the utility model Figure 1 ;

[0027] Figure 2 The front view provided by the utility model

[0028] Figure 3 The three-dimensional sectional view of A-A in the utility model Figure 2 ;

[0029] Figure 4 The enlarged view of A in the utility model Figure 3 ;

[0030] Figure 5 The enlarged view of B in the utility model Figure 3 ;

[0031] Figure 6 The three-dimensional measurement structure diagram provided by the utility model Figure 2.

[0032] In the figure, 1, gearbox; 11, output shaft; 12, connecting rod; 13, plough roller tooth; 14, limiting disc; 15, insertion slot; 16, insertion block; 17, locking groove; 18, locking column; 19, connecting block; 20, pulling rod; 21, positioning frame; 22, spring; 31, guide groove; 32, guide block; 41, square butt joint groove; 42, square butt joint block; 43, stabilizing block; 51, elastic hose; 61, connecting groove; 71, shaft coupling; 72, flange plate; 73, retaining hole; 81, pulling block. DETAILED DESCRIPTION

[0033] In order to make the technical personnel of the prior art better understand the technical scheme of the present application, the present application will be described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0034] As Figures 1 to 6As shown, the utility model discloses a multifunctional mini-tiller of sub -machine of replaceable, including gearbox 1, the gearbox 1 is rotationally connected with output shaft 11, and the both ends of output shaft 11 are fixedly connected with connecting rod 12, and the outer wall of connecting rod 12 is movably connected with land roller tooth 13, and the outer wall of connecting rod 12 is fixedly connected with limit disc 14, and the limit disc 14 is provided with the slot 15, and the slot 15 is movably connected with the plug 16, and the plug 16 is fixedly connected with land roller tooth 13, and the plug 16 is provided with locking groove 17, and locking groove 17 extends to connecting rod 12, and locking groove 17 is movably connected with locking column 18, and the upper end surface of locking column 18 is fixedly connected with connecting block 19, and the upper end surface of connecting block 19 is fixedly connected with pull rod 20, and the outer wall of pull rod 20 is slidably connected with positioning frame 21, and positioning frame 21 is fixedly connected with limit disc 14, and spring 22 is sleeved on the outer surface of pull rod 20, and the both ends of spring 22 are fixedly connected with positioning frame 21 and connecting block 19 respectively, and the central position of land roller tooth 13 is provided with connecting groove 61, and connecting groove 61 is adapted with connecting rod 12, and the connecting groove 61 on land roller tooth 13 is docked with connecting rod 12, and the locking column 18 on the lower end surface of connecting block 19 is moved upwards by the pulling of pull rod 20, and spring 22 is extruded, thereby providing sufficient space, and the slot 15 is docked with the plug 16, and the locking column 18 is clamped in locking groove 17 by the rebound of spring 22, thereby realizing the quick locking of land roller tooth 13, and the side, where connecting block 19 contacts limit disc 14, is provided with guide slot 31, and guide block 32 is slidably connected in guide slot 31, and guide block 32 is fixedly connected with connecting block 19, and the use of two guide slots 31 and two guide rods can guide respective corresponding connecting block 19, guaranteeing that connecting block 19 always keeps the vertical up-and-down moving track with locking column 18, improving the accuracy of the docking of locking column 18 and locking groove 17, and one end of connecting rod 12 away from output shaft 11 is provided with square butt joint groove 41, and square butt joint block 42 is movably connected in square butt joint groove 41, and stable block 43 is fixedly connected on one side of square butt joint block 42, and stable block 43 is fixedly connected with land roller tooth 13, and two square butt joint blocks 42 are docked with respective corresponding square butt joint grooves 41, which can improve the stability effect of land roller tooth 13, guaranteeing that land roller tooth 13 and connecting rod 12 are more stable, and spring 22 is sleeved with elastic hose 51, and the both ends of elastic hose 51 are fixedly connected with positioning frame 21 and connecting block 19 respectively, and two elastic hoses 51 can protect respective corresponding spring 22, prevent spring 22 from sticking mud, guarantee the normal use of spring 22, prolong its service life, and one side of gearbox 1 is fixedly connected with shaft coupling 71, and one end of shaft coupling 71 away from gearbox 1 is fixedly connected with flange plate 72, and a plurality of retaining holes 73 are formed in flange plate 72, and the use of flange plate 72 and retaining hole 73 can fix shaft coupling 71, guaranteeing that shaft coupling 71 and gearbox 1 are stable enough,Pull the rod 20 away from the connecting block 19 one end fixed connection has pull block 81, pull block 81 can pull the pull rod 20, convenient operation.

[0035] The working principle and use process of the utility model: in use, first, through the connecting groove 61 on the land roller tooth 13 and the connecting rod 12 are docked, and in the process of docking, through the pull of pull block 81, with the pull rod 20 and the locking column 18 on the lower end surface of connecting block 19 move upwards, make connecting block 19 extrude spring 22 and elastic hose 51, so as to facilitate the insertion block 16 and the insertion slot 15 on the limiting disc 14 are docked, cooperate spring 22 and the rebound of elastic hose 51, so that the quick docking between locking column 18 and locking groove 17, the quick locking of land roller tooth 13, when land roller tooth 13 and connecting rod 12 are completely docked, square butt block 42 is just clamped in square butt groove 41, need to replace the use of tool, can pull two pull block 81 in turn, make locking column 18 and locking groove 17 are separated, can quickly replace land roller tooth 13, to realize the use process of the whole micro tiller in this way.

[0036] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A multifunctional mini-tiller with interchangeable sub-boxes, comprising a gearbox (1), characterized in that: The gearbox (1) is rotatably connected with an output shaft (11), both ends of the output shaft (11) are fixedly connected with a connecting rod (12), the outer wall of the connecting rod (12) is movably connected with a plough roller (13), the outer wall of the connecting rod (12) is fixedly connected with a limiting disc (14), and the limiting disc (14) is provided with a slot (15). The slot (15) is movably connected with an insertion block (16), the insertion block (16) is fixedly connected with the plough roller (13), the insertion block (16) is provided with a locking groove (17), the locking groove (17) extends into the connecting rod (12), the locking groove (17) is movably connected with a locking column (18), the upper end surface of the locking column (18) is fixedly connected with a connecting block (19), the upper end surface of the connecting block (19) is fixedly connected with a pulling rod (20), the outer wall of the pulling rod (20) is slidably connected with a positioning frame (21), the positioning frame (21) is fixedly connected with the limiting disc (14), and the outer surface of the pulling rod (20) is sleeved with a spring (22). The ends of the spring (22) are fixedly connected with the positioning frame (21) and the connecting block (19) respectively.

2. The multifunctional mini-tiller with replaceable sub-machine box according to claim 1, characterized in that: The side of the connecting block (19) in contact with the limiting disc (14) is provided with a guide groove (31), and the guide groove (31) is slidably connected with a guide block (32). The guide block (32) is fixedly connected with the connecting block (19).

3. The multifunctional mini-tiller with replaceable sub-box according to claim 1, characterized in that: The end of the connecting rod (12) away from the output shaft (11) is provided with a square butt joint groove (41), the square butt joint groove (41) is movably connected with a square butt joint block (42), one side of the square butt joint block (42) is fixedly connected with a stabilizing block (43), and the stabilizing block (43) is fixedly connected with the plough roller (13).

4. The multifunctional mini-tiller with replaceable sub-box according to claim 1, characterized in that: The outer surface of the spring (22) is sleeved with an elastic hose (51), and the two ends of the elastic hose (51) are fixedly connected with the positioning frame (21) and the connecting block (19) respectively.

5. The multifunctional mini-tiller with replaceable sub-box according to claim 1, characterized in that: The center of the plough roller (13) is provided with a connecting groove (61), and the connecting groove (61) is matched with the connecting rod (12).

6. The multifunctional mini-tiller with replaceable sub-box according to claim 1, characterized in that: One side of the gearbox (1) is fixedly connected with a shaft coupling (71), the end of the shaft coupling (71) away from the gearbox (1) is fixedly connected with a flange plate (72), and the flange plate (72) is provided with a plurality of retaining holes (73).

7. The multifunctional mini-tiller with replaceable sub-box according to claim 1, characterized in that: The end of the pulling rod (20) away from the connecting block (19) is fixedly connected with a pulling block (81).

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