Caterpillar track type mini-tiller

Abstract

The utility model discloses a caterpillar track type mini-tiller which comprises a machine frame, an engine, a gearbox, a caterpillar track device and a handrail, the engine and the gearbox are arranged on the machine frame, the caterpillar track device is arranged in the center of the bottom of the machine frame, the handrail is arranged at the tail end of the machine frame, and a gear engaging device is connected between the handrail and the gearbox. The rack comprises a mounting platform, a first shaft seat, a second shaft seat, a supporting part, a connecting part and a mounting part, the gearbox is arranged at the mounting part, a first belt wheel is arranged outside an output shaft of the engine, a second belt wheel is arranged outside an input shaft of the gearbox, and the first belt wheel and the second belt wheel are connected through a belt. An inner protection plate is arranged on the inner side, close to the rack, of the first belt wheel and the second belt wheel, a protection outer cover is further arranged on the outer side of the inner protection plate, and the belt is arranged between the inner protection plate and the protection outer cover. The utility model belongs to the technical field of agricultural equipment, and particularly provides a caterpillar track type mini-tiller which is used for solving the problems that soil is wound on a belt, and a caterpillar track slips and is abraded.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural equipment technology, and particularly relates to a chain track type mini-tiller. BACKGROUND

[0002] With the development of agricultural modernization, the mini-tiller is more and more widely applied in agricultural production. The mini-tiller is widely applied to dry land, paddy field, orchard and the like in plain, mountainous area and hilly area, has the characteristics of light weight, small size and simple structure, can be freely moved in the field, and is convenient for users to use and store.

[0003] However, when the conventional mini-tiller works in muddy or wet soil, the belt is prone to be wrapped with soil, which affects use, and problems such as chain track slipping and chain track abrasion occur, which seriously affects the working efficiency and service life of the machine. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a chain track type mini-tiller to solve the problems of belt wrapping with soil, chain track slipping and abrasion.

[0005] The technical scheme adopted by the application is as follows:

[0006] The utility model provides a chain track type mini-tiller, which comprises a rack, an engine and a gearbox arranged on the rack, a chain track device arranged at the center of the bottom of the rack and a handrail arranged at the tail end of the rack, and a gear lever is arranged between the handrail and the gearbox.

[0007] The front end of the rack in the advancing direction is provided with a mounting platform for fixing the engine, the bottom of the mounting platform is provided with a shaft seat one, the rear end of the rack in the advancing direction is provided with a shaft seat two, and a supporting part is arranged between the shaft seat one and the shaft seat two.

[0008] The gearbox is arranged at the mounting part, the output shaft of the engine is externally provided with a belt pulley one, the input shaft of the gearbox is externally provided with a belt pulley two, a belt is arranged between the belt pulley one and the belt pulley two, the inner side of the belt pulley one and the belt pulley two close to the rack is provided with an inner protective plate, the outer side of the inner protective plate is further provided with a protective outer cover, and the belt is arranged between the inner protective plate and the protective outer cover.

[0009] Preferably, the chain track device comprises a chain track composed of chains and a driving sprocket, the shaft seat one is provided with a rotating shaft one, the shaft seat two is provided with a rotating shaft two, the rotating shaft one is externally provided with a front guide wheel, the rotating shaft two is externally provided with a rear guide wheel, the support part is provided with a wheel frame on one side of the mounting part, the driving sprocket is rotatably arranged on one side of the wheel frame, the driving sprocket is connected with the output shaft of the gearbox, and the chain track is arranged between the driving sprocket, the front guide wheel and the rear guide wheel to form a triangular track structure.

[0010] Preferably, the rear end of the connecting part is provided with a guide frame, the handrail is arranged on the guide frame in an inclined manner, the handrail comprises a left handle and a right handle, a baffle is arranged between the left handle and the right handle, a groove is formed in the baffle, and the stop device comprises a stop handle which moves in the groove.

[0011] Preferably, the outer side of the shaft seat two is provided with a compression spring seat, compression springs are arranged between the two sides of the guide frame and the compression spring seat, and the compression springs are arranged in two groups respectively with respect to the side ends of the shaft seat two.

[0012] Preferably, the front end of the rack is provided with a bumper.

[0013] Preferably, the tail end of the guide frame is provided with an auxiliary mounting plate for connecting other equipment.

[0014] The beneficial effects achieved by the chain track type mini-tiller provided by the chain track type mini-tiller are as follows:

[0015] 1. Double-layer protective structures are arranged on the inner and outer sides of the driving belt to block the external soil from splashing into the soil and prevent the soil from being entangled.

[0016] 2. The triangular chain track structure is stable and facilitates movement on wet and slippery ground, reduces the problem of slipping, and is more suitable for various difficult terrains.

[0017] 3. The design of double compression springs can more conveniently absorb the vibration and impact generated by the mini-tiller during the working process, reduce the wear of mechanical parts, and prolong the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic diagram of the overall structure of the chain track type mini-tiller provided by the chain track type mini-tiller;

[0019] Figure 2 FIG. 3 is a schematic diagram of the three-dimensional structure of the chain track type mini-tiller provided by the chain track type mini-tiller;

[0020] Figure 3 FIG. 5 is a schematic diagram of the split state of the protective cover provided by the chain track type mini-tiller; Figure 2

[0021] ​Figure 4 Structure diagram of the rack in the present application Figure 1 ;

[0022] Figure 5 Structure diagram of the rack in the present application Figure 2 ;

[0023] Figure 6 Structure diagram of the handrail and track device provided in the present application.

[0024] The meaning of the reference signs in the drawings is shown as follows:

[0025] 1, rack, 2, engine, 3, gearbox, 4, track device, 5, handrail, 6, gear hanging device, 7, compression spring, 8, bumper;

[0026] 11, mounting platform, 12, shaft seat one, 13, shaft seat two, 14, support part, 15, connecting part, 16, mounting part, 17, wheel frame, 18, guide frame, 19, auxiliary mounting plate;

[0027] 21, oil tank;

[0028] 31, pulley one, 32, pulley two, 33, belt, 34, inner protection plate, 35, protection cover;

[0029] 41, track, 42, driving sprocket, 43, rotating shaft one, 44, front guide wheel, 45, rear guide wheel;

[0030] 51, left handle, 52, right handle, 53, baffle, 54, groove body;

[0031] 61, gear handle; 71, compression spring seat. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application.

[0033] Embodiment 1

[0034] Please refer to Figure 1 , Figure 4 and Figure 5As shown, the embodiment provides a chain track type mini-tiller, which comprises a frame 1, an engine 2 and a gearbox 3 arranged on the frame 1, a chain track device 4 arranged at the bottom center of the frame 1, and a handrail 5 arranged at the tail end of the frame 1. The engine 2 comprises a large-capacity oil tank 21, and a gear shifting device 6 is arranged between the handrail 5 and the gearbox 3. The front end of the frame 1 in the traveling direction is provided with a mounting platform 11 for fixing the engine 2. The bottom of the mounting platform 11 is provided with a shaft seat one 12. The rear end of the frame 1 in the traveling direction is provided with a shaft seat two 13. The shaft seat one 12 and the shaft seat two 13 are provided with a support part 14 therebetween. The mounting platform 11 and the support part 14 are provided with a V-shaped connecting part 15 therebetween. The connecting part 15 and the side end of the support part 14 are provided with an inverted L-shaped mounting part 16 therebetween.

[0035] In combination Figure 2 And Figure 3 As shown, the gearbox 3 is arranged at the mounting part 16. The output shaft of the engine 2 is externally provided with a belt pulley one 31. The input shaft of the gearbox 3 is externally provided with a belt pulley two 32. The belt pulley one 31 and the belt pulley two 32 are provided with a belt 33 connected therebetween. The belt pulley one 31 and the belt pulley two 32 are provided with an inner protection plate 34 close to the inner side of the frame 1. The outer side of the inner protection plate 34 is further provided with a protective outer cover 35. The belt 33 is arranged between the inner protection plate 34 and the protective outer cover 35. Double-layer protection structure is arranged on the inner and outer sides of the belt 33 for driving, which is used to block the external soil from splashing into the soil and avoid the occurrence of soil entanglement.

[0036] As shown Figure 2 The outer side of the shaft seat two 13 is provided with a compression spring seat 71. The compression springs 7 are arranged between the two sides of the guide frame 18 and the compression spring seat 71. Two groups of compression springs 7 are arranged on the side end of the shaft seat two 13. The design of the double compression springs 7 can absorb the vibration and impact generated during the working process of the mini-tiller, reduce the wear of mechanical parts, and prolong the service life of the equipment.

[0037] As shown Figure 6 The chain track device 4 comprises a chain track 41 composed of chains and a driving sprocket 42. The shaft seat one 12 is provided with a rotating shaft one 43. The shaft seat two 13 is provided with a rotating shaft two. The outer side of the rotating shaft one 43 is provided with a front guide wheel 44. The outer side of the rotating shaft two is provided with a rear guide wheel 45. One side of the support part 14 relative to the mounting part 16 is provided with a wheel frame 17. The driving sprocket 42 is rotatably arranged on one side of the wheel frame 17. The driving sprocket 42 is connected with the output shaft of the gearbox 3. The chain track 41 is arranged between the driving sprocket 42, the front guide wheel 44, and the rear guide wheel 45 to form a triangular track structure.

[0038] In the structure, the chain track 41 is triangular, which is stable in wet ground and easy to move, reduces the problem of skidding, and is more suitable for various difficult terrains.

[0039] In addition, the shaft seat one 12 is provided with a sliding groove for transverse sliding of the rotating shaft one 43, and the rotating shaft one 43 is provided with a fixing member outside the sliding groove for fixing the rotating shaft one 43, for adjusting the horizontal position of the rotating shaft one 43, i.e., the rear guide wheel 45, for tensioning the chain track 41. At the same time, the structure can also facilitate replacement of the chain track 41, which is used to solve the wear problem of the chain track 41, and to replace the size of the chain track 41 according to the demand. The chain track 41 includes two parameters of plowing width and plowing depth, wherein the plowing width includes but is not limited to 800mm, 1000mm, and 1300mm, and the plowing depth is 150mm.

[0040] As shown in Figure 6 The rear end of the connecting part 15 is provided with a guide frame 18, the handrail 5 is obliquely arranged on the guide frame 18, the handrail 5 includes a left handle 51 and a right handle 52, a baffle 53 is arranged between the left handle 51 and the right handle 52, a groove 54 is arranged on the baffle 53, and the hanging device 6 includes a shift lever 61, which moves in the groove 54.

[0041] In the application, switches and brakes are arranged on the left handle 51 and the right handle 52 respectively for controlling the start and stop of the mini-cultivator, and the shift lever 61 is used to realize gear shifting of the structure.

[0042] As a further described scheme:

[0043] The front end of the rack 1 is provided with a bumper 8. The tail end of the guide frame 18 is provided with an auxiliary mounting plate 19 for connecting and fixing other equipment.

[0044] It should be noted that although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, without departing from the utility model creative tenet, not creative design with similar structure mode and embodiment of the technical scheme, all should belong to the protection scope of the utility model.

Claims

1. A chain track type mini cultivator, comprising a frame (1), an engine (2) and a gearbox (3) arranged on the frame (1), a chain track device (4) arranged at the center of the bottom of the frame (1), and a handrail (5) arranged at the tail end of the frame (1), wherein a gear hanging device (6) is arranged between the handrail (5) and the gearbox (3). The front end of the frame (1) in the traveling direction is provided with a mounting platform (11) for fixing the engine (2), the bottom of the mounting platform (11) is provided with a shaft seat one (12), the rear end of the frame (1) in the traveling direction is provided with a shaft seat two (13), a support part (14) is arranged between the shaft seat one (12) and the shaft seat two (13), a connecting part (15) in V shape is arranged between the mounting platform (11) and the support part (14), and an inverted L-shaped mounting part (16) is arranged between the connecting part (15) and the side end of the support part (14). The gearbox (3) is arranged at the mounting part (16), the output shaft of the engine (2) is externally provided with a belt pulley one (31), the input shaft of the gearbox (3) is externally provided with a belt pulley two (32), the belt pulley one (31) and the belt pulley two (32) are connected by a belt (33), the inner side of the belt pulley one (31) and the belt pulley two (32) is provided with an inner guard plate (34), the outer side of the inner guard plate (34) is further provided with a protective outer cover (35), and the belt (33) is arranged between the inner guard plate (34) and the protective outer cover (35).

2. The chain-track type mini-tiller according to claim 1, characterized in that: The chain track device (4) comprises a chain track (41) composed of chains and a driving sprocket (42), the shaft seat one (12) is provided with a rotating shaft one (43), the shaft seat two is provided with a rotating shaft two, the outer side of the rotating shaft one (43) is provided with a front guide wheel (44), the outer side of the rotating shaft two is provided with a rear guide wheel (45), one side of the support part (14) relative to the mounting part (16) is provided with a wheel frame (17), the driving sprocket (42) is rotatably arranged on one side of the wheel frame (17), the driving sprocket (42) is connected with the output shaft of the gearbox (3), and the chain track (41) is arranged between the driving sprocket (42), the front guide wheel (44) and the rear guide wheel (45) to form a triangular track structure.

3. The chain-track type mini-tiller according to claim 2, characterized in that: The rear end of the connecting part (15) is provided with a guide frame (18), the handrail (5) is arranged on the guide frame (18) in an inclined manner, the handrail (5) comprises a left handle (51) and a right handle (52), a baffle (53) is arranged between the left handle (51) and the right handle (52), a groove (54) is formed in the baffle (53), the gear hanging device (6) comprises a gear handle (61), and the gear handle (61) moves in the groove (54).

4. The chain-track type mini-tiller according to claim 3, characterized in that: The outer side of the shaft seat two (13) is provided with a compression spring seat (71), a compression spring (7) is arranged between the two sides of the guide frame (18) and the compression spring seat (71), and two groups of the compression springs (7) are respectively arranged relative to the side end of the shaft seat two (13).

5. The chain-track type mini-tiller according to claim 1, characterized in that: The front end of the frame (1) is provided with a bumper (8).

6. The chain-track type mini-tiller according to claim 3, characterized in that: The tail end of the guide frame (18) is provided with an auxiliary mounting plate (19).

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