CN115529863A

CN115529863A - High-efficient rotary cultivator

Info

Publication number: CN115529863A
Application number: CN202211397614.9A
Authority: CN
Inventors: 周井刚; 周二光
Original assignee: Lianyungang Dongbao Xuangeng Machinery Co ltd
Current assignee: Lianyungang Dongbao Xuangeng Machinery Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2022-12-30

Abstract

The invention relates to the field of agricultural machinery, in particular to a high-efficiency rotary cultivator, which comprises a rack and blades, wherein the rack is provided with: the rotating block is eccentrically arranged on the rotating disc; the cutter comprises a rotating shaft, a sleeve, a blade, a cutter blade and a cutter blade, wherein the sleeve is arranged on the rotating shaft in a sliding manner; the vibrating mechanism comprises a vibrating rod and a vibrating block, wherein the vibrating block is provided with a sliding groove towards the rotary table, the rotating block is positioned in the sliding groove, one end of the vibrating rod is connected with the vibrating block, the other end of the vibrating rod is rotatably connected with the sleeve, the vibrating mechanism also comprises a limiting mechanism used for limiting the vibrating rod to slide along the length direction of the sleeve, a sliding rod is horizontally arranged on the rack, and the vibrating block is slidably connected with the sliding rod. The vibrating rod drives the sleeve to move back and forth in a short distance while vibrating, and then drives the blade to generate slight transverse vibration, so that the blade is fully contacted with the soil when the rotary cultivator ploughs hard soil, and the ploughing efficiency is higher.

Description

High-efficient rotary cultivator

Technical Field

The invention relates to the field of agricultural machinery, in particular to a high-efficiency rotary cultivator.

Background

The rotary cultivator is a cultivator which is matched with a tractor to complete the operations of ploughing and harrowing. The soil breaking machine has the characteristics of strong soil breaking capacity, flat ground surface after ploughing and the like, so that the soil breaking machine is widely applied; meanwhile, the stubble buried below the ground surface can be cut up, the operation of the seeder is convenient, and a good seedbed is provided for later-stage seeding.

Chinese patent with application number of CN202010219987.1 and name of double-roller staggered anti-winding rotary cultivator with vibration scraping in rice stubble field discloses a rotary cultivator. The rotary cultivator comprises a whole frame, a knife roller assembly, a scraping device and the like, and has the advantages of being capable of reducing soil adhesion and straw winding.

For the soil with hard soil, such as hardened soil, the rotary cultivator needs to reduce the running speed of the tractor when working to ensure the plowing effect of the soil, but also reduces the plowing efficiency, and the problem needs to be solved urgently.

Disclosure of Invention

The invention aims to provide an efficient rotary cultivator which has the characteristic that the working efficiency is higher than that of a common rotary cultivator when hard land is ploughed.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a high-efficient rotary cultivator, includes frame, blade, be provided with in the frame:

one end of the first transmission shaft is connected with a power output shaft of the tractor, and the other end of the first transmission shaft is connected with a first bevel gear;

one end of the second transmission shaft is connected with a second bevel gear, the other end of the second transmission shaft is connected with a first gear, the second bevel gear is meshed with the first bevel gear, and a second gear meshed with the first gear is arranged on the rack;

one end of the third transmission shaft is connected with a third gear, the other end of the third transmission shaft is connected with a third bevel gear, and the third gear is meshed with the second gear;

a fourth bevel gear meshed with the third bevel gear is connected to the end of the fourth transmission shaft, a turntable is connected to one end, facing the blade, of the fourth transmission shaft, and a rotating block is eccentrically arranged on the turntable;

one end of the rotating shaft is connected with a fourth gear meshed with the second gear, a sleeve is arranged on the rotating shaft in a sliding mode, the blade is arranged on the sleeve, and a synchronous structure enabling the rotating shaft and the sleeve to rotate synchronously is arranged between the rotating shaft and the sleeve;

the vibrating mechanism comprises a vibrating rod and a vibrating block, wherein a sliding groove is formed in the vibrating block towards one end of the rotary table in the vertical direction, the rotating block is located in the sliding groove, one end of the vibrating rod in the length direction is connected with the vibrating block, the other end of the vibrating rod is connected with the sleeve in a rotating mode, the vibrating mechanism further comprises a limiting mechanism used for limiting the vibrating rod to slide along the length direction of the sleeve, a sliding rod is horizontally arranged on the rack, and the vibrating block is connected with the sliding rod in a sliding mode.

By adopting the technical scheme, the power is transmitted to the rotating shaft from the output shaft of the tractor by utilizing the first transmission shaft, the first bevel gear, the second transmission shaft, the first gear, the second gear and the fourth gear, and the rotating shaft is driven to drive the blade to rotate for ploughing; the second gear drives the third gear simultaneously and rotates, rethread third transmission shaft, the third bevel gear, the fourth transmission shaft is with power transmission to carousel, the turning block that drives its side when the carousel rotates, because the turning block is located the spout, and turning block eccentric settings, so relative spout reciprocates when the turning block rotates, also drive the turning block and remove about the length direction of spout simultaneously, and then drive the vibration bar vibration, because stop gear limits the relative displacement of vibration bar and sheathed tube, therefore drive the sleeve pipe when the vibration bar vibration and carry out short distance's round trip movement, and then drive the slight transverse vibration of blade production, make the rotary cultivator when turning over the stereoplasm soil, the blade is abundant with the soil contact, it is higher to turn over the efficiency of ploughing.

Preferably, the rotating block has a triangular rotor shape.

Through adopting above-mentioned technical scheme, help reducing the turning block and rotate the time its and the lateral wall of spout between frictional force for power loss reduces, promotes transmission efficiency.

Preferably, a groove is formed in the side face of the rotating block along the circumferential direction of the rotating block, and limiting blocks are arranged on two sides of the opening of the sliding groove and extend into the groove.

Through adopting above-mentioned technical scheme, stopper and recess are in the spout with partly restriction of turning block, prevent that the turning block from shifting out the spout because of jolting in the use.

Preferably, the vibratory rod includes a first vibratory rod and a second vibratory rod hinged to each other.

Through adopting above-mentioned technical scheme, because holistic vibrating arm has certain rigidity, the rotary cultivator is difficult to avoid jolting at the operation in-process, makes the vibrating arm produce fore-and-aft impact to turning block and sleeve pipe, increases the wearing and tearing between each part, and through the articulated of first vibrating arm and second vibrating arm, messenger's wearing and tearing reduce.

Preferably, the limiting mechanism comprises a limiting groove formed in the circumferential direction of the sleeve, a rotating hole is formed in one end, close to the sleeve, of the vibrating rod, and the middle part, located in the limiting groove, of the sleeve is inserted into the rotating hole.

By adopting the technical scheme, the end part of the vibrating rod is rotationally connected with the rotating groove, and when the vibrating rod is to transversely slide along the length direction of the sleeve, the side wall of the limiting groove is abutted against the vibrating rod, so that the vibrating rod cannot transversely move relative to the sleeve, and the sleeve is driven to move when the vibrating rod is forced to transversely move.

Preferably, the surface of the rotating shaft is provided with a strip-shaped fixing groove along the length direction of the rotating shaft, the inner wall of the sleeve is provided with a fixing strip corresponding to the fixing groove, and the fixing strip is inserted into the fixing groove.

Through adopting above-mentioned technical scheme, the length direction that the fixed slot can be followed to the fixed strip slides, makes sleeve pipe and axis of rotation can the relative slip, again because during the fixed strip inserted the fixed slot, when the axis of rotation rotated, the fixed slot drove the fixed strip and rotates, provides pivoted power for the sleeve pipe.

Preferably, the two ends of the rotating shaft in the length direction are provided with dustproof pipes which are fixedly arranged on the rack, and the two ends of the sleeve are respectively positioned in the dustproof pipes.

Through adopting above-mentioned technical scheme, because the blade has a large amount of earth to adhere when ploughing the soil and has on the blade sleeve, when earth adheres at the both ends of axis of rotation, block sheathed tube removal, through setting up the dustproof pipe, prevent that earth from giving sheathed tube removal increase resistance, guarantee the sleeve pipe and normally work.

In conclusion, the invention has the following beneficial effects: through the rotation of carousel, drive the turning block and rotate, because turning block eccentric settings, the lateral movement that the drive vibrating mass went round along the length direction of slide bar when it rotated, and then made vibrating arm, sleeve pipe carry out horizontal back and forth movement, made the blade have slight vibration effect at the during operation, made the rotary cultivator when ploughing the stereoplasm soil, the blade was abundant to contact with the soil, ploughed efficiency is higher.

Drawings

FIG. 1 is a top view of a top portion of a frame for illustrating a positional relationship between a first drive shaft and a second drive shaft;

FIG. 2 is a schematic structural diagram of a side surface of the frame, which is used for embodying a position relationship diagram of the first gear, the second gear, the third gear and the fourth gear;

FIG. 3 is a top view of the inside of the frame for showing the positional relationship between the third transmission shaft and the fourth transmission shaft;

FIG. 4 is an enlarged view of the portion A of FIG. 3 for showing the structure of the vibration mechanism;

FIG. 5 is a cross-sectional view of the frame to show the location of the vibratory rod;

FIG. 6 is a schematic structural diagram of a turntable in an embodiment, which is used for embodying the shape of a rotating block;

FIG. 7 is an enlarged view B of FIG. 5 for illustrating a coupling manner of the second vibratory rod and the bushing;

FIG. 8 is a sectional view of the dust tube and the rotating shaft for showing the positional relationship of the rotating shaft, the sleeve and the dust tube.

In the figure, 1, a frame; 11. a blade; 12. a slide bar; 2. a first transmission shaft; 21. a first bevel gear; 3. a second drive shaft; 31. a second bevel gear; 32. a first gear; 33. a second gear; 4. a third drive shaft; 41. a third gear; 42. a third bevel gear; 5. a fourth drive shaft; 52. a fourth bevel gear; 53. a turntable; 54. rotating the block; 6. a rotating shaft; 61. a fourth gear; 62. a sleeve; 71. a fixing groove; 72. a fixing strip; 82. a first vibratory rod; 83. a second vibratory rod; 84. vibrating the block; 85. a groove; 86. a chute; 87. a limiting block; 88. a through hole; 91. a limiting groove; 92. rotating the hole; 93. a dust-proof pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Example (b): as shown in fig. 1, a first transmission shaft 2 is horizontally installed at the top of the rack 1, and the first transmission shaft 2 is perpendicular to the length direction of the rack 1. One end of the first transmission shaft 2 is connected with a power output shaft of the tractor, and the other end of the first transmission shaft extends to the top of the frame 1 and is connected with a first bevel gear 21. The second transmission shaft 3 is installed at the top of the machine frame 1 along the length direction of the machine frame, and the second transmission shaft 3 is perpendicular to the first transmission shaft 2. A second bevel gear 31 is connected to an end of the second transmission shaft 3 near the first bevel gear 21, and the second bevel gear 31 is engaged with the first bevel gear 21.

As shown in fig. 1 and 2, a first gear 32, a second gear 33, a third gear 41, and a fourth gear 61 are attached to a side surface of the chassis 1. Wherein the first gear 32 is connected with the second transmission shaft 3. The second gear 33 is meshed with the first gear 32. The third gear 41 and the fourth gear 61 are engaged with the second gear 33, respectively.

As shown in fig. 2 and 3, a third transmission shaft 4 is horizontally installed in the machine frame 1 along the length direction thereof, and one end of the third transmission shaft 4 is connected to a third gear 41 and the other end thereof is connected to a third bevel gear 42. A fourth transmission shaft 5 is arranged in the machine frame 1 at the same horizontal height position with the third transmission shaft 4. A fourth bevel gear 52 is connected to an end of the fourth transmission shaft 5, and the fourth bevel gear 52 is engaged with the third bevel gear 42. The end of the fourth transmission shaft 5 close to the fourth bevel gear 52 is connected with a rotating disc 53, and the fourth transmission shaft 5 is connected with the axis of the rotating disc 53. A rotating shaft 6 is installed below the machine frame 1 along the length direction of the machine frame, and the rotating shaft 6 is rotatably arranged. One end of the rotating shaft 6 is connected to the fourth gear 61. The sleeve 62 is sleeved outside the rotating shaft 6, and the sleeve 62 and the rotating shaft 6 are provided with a synchronous structure for enabling the sleeve 62 and the rotating shaft 6 to rotate synchronously. The sleeve 62 is attached to the blade 11. A vibration mechanism for driving the blade 11 to vibrate is installed between the sleeve 62 and the turntable 53. The two ends of the machine frame 1 in the length direction are respectively fixedly connected with a dustproof pipe 93.

As shown in fig. 4 and 5, the vibration mechanism includes a rotary block 54 fixed to the turntable 53, and the rotary block 54 is eccentrically disposed. The turning block 54 is shaped like a triangular rotor as shown in fig. 6, and has a surface of a curved triangle, also called a reuleaux triangle. The side surface of the turning block 54 is provided with an annular groove 85 along the circumferential direction thereof. A vibration block 84 engaged with the rotation block 54 is installed near the rotation block 54. One side of the vibration block 84 facing the rotation block 54 is inwardly opened with a slide groove 86, and one end of the rotation block 54 is inserted into the slide groove 86. A limiting block 87 is inwardly arranged at the opening of the sliding groove 86, and the limiting block 87 is inserted into the groove 85. The vibrating mass 84 is provided with a through hole 88 passing through along the horizontal direction. A slide bar 12 is horizontally arranged in the frame 1, and two sides of the slide bar 12 are respectively fixed on two sides of the frame 1. The sliding rod 12 passes through the through hole 88, so that the vibrating block 84 is connected on the sliding rod 12 in a sliding way. A vibration rod including a first vibration rod 82 and a second vibration rod 83 hinged to each other is connected to a side of the vibration block 84 facing the blade 11. One end of the first vibration rod 82 is fixedly connected with the vibration block 84, and the other end is hinged with the second vibration rod 83. An end of the second vibratory rod 83 remote from the first vibratory rod 82 is rotatably coupled to the sleeve 62. The sleeve 62 and the second vibration rod 83 are provided with a limiting mechanism for preventing the second vibration rod 83 and the sleeve 62 from sliding relatively. The limiting mechanism comprises a limiting groove 91 formed along the circumferential direction of the sleeve 62.

As shown in fig. 7, the limiting mechanism further includes a rotation hole 92 provided at an end of the second vibratory rod 83. The portion of the shaft of the sleeve 62 located in the rotation groove is located in the rotation hole 92 so that the second vibratory rod 83 can rotate in the circumferential direction of the rotation groove. The sleeve 62 and the rotating shaft 6 are provided with a synchronizing structure for synchronizing rotation of the sleeve 62 and the rotating shaft 6. The synchronizing structure includes two fixing grooves 71 formed along the longitudinal direction of the rotating shaft 6, and the two fixing grooves 71 are oppositely disposed. The inner wall of the sleeve 62 is provided with a fixing strip 72 fixed with the fixing groove 71, the fixing strip 72 is arranged along the length direction of the sleeve 62, and the fixing strip 72 is inserted into the fixing groove 71. The length of the fixing bar 72 is smaller than that of the fixing groove 71 so that the fixing bar 72 can slide in the fixing groove 71. The difference between the lengths of the fixing strip 72 and the fixing groove 71 is not less than the stroke of the transverse movement of the rotating block 54.

As shown in fig. 8, the dust-proof tube 93 is fixedly mounted on the inner wall of the side surface of the frame 1 and extends along the frame 1 in the direction of the sleeve 62. The inner diameter of the dust tube 93 is larger than the outer diameter of the sleeve 62 so that the end of the sleeve 62 is located in the dust tube 93.

In this embodiment, the outer surfaces of the first transmission shaft 2, the second transmission shaft 3, the third transmission shaft 4 and the fourth transmission shaft 5 are provided with protection tubes for fixing the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft on the rack 1, the end of each transmission shaft and the end of the rotation shaft 6 are provided with bearings, and the joints of the adjacent transmission shafts are provided with housings.

The using method comprises the following steps: the first transmission shaft 2, the first bevel gear 21, the second bevel gear 31, the second transmission shaft 3, the first gear 32, the second gear 33 and the fourth gear 61 are used for transmitting power from an output shaft of the tractor to the rotating shaft 6, and the rotating shaft 6 is driven to drive the blade 11 to rotate for ploughing; the second gear 33 simultaneously drives the third gear 41 to rotate, and then the third transmission shaft 4, the third bevel gear 42, the fourth bevel gear 52 and the fourth transmission shaft 5 transmit power to the turntable 53, the turntable 53 drives the turning block 54 on the side surface thereof to rotate when rotating, because the turning block 54 is positioned in the chute 86 and the turning block 54 is eccentrically arranged, the turning block 54 moves up and down relative to the chute 86 when rotating, and simultaneously drives the turning block 54 to move left and right along the length direction of the sliding rod 12, thereby driving the vibrating rod to vibrate, because the limiting mechanism limits the relative displacement of the vibrating rod and the sleeve 62, the vibrating rod vibrates and simultaneously drives the sleeve 62 to move back and forth for a short distance, thereby driving the blade 11 to generate slight transverse vibration, when the rotary cultivator turns hard soil, the blade 11 is fully contacted with the soil, and the turning efficiency is higher.

Claims

1. The utility model provides a high-efficient rotary cultivator, includes frame (1), blade (11), its characterized in that, be provided with in frame (1):

one end of the first transmission shaft (2) is connected with a power output shaft of the tractor, and the other end of the first transmission shaft is connected with a first bevel gear (21);

the second transmission shaft (3) is connected with a second bevel gear (31) at one end and connected with a first gear (32) at the other end, the second bevel gear (31) is meshed with the first bevel gear (21), and a second gear (33) meshed with the first gear (32) is arranged on the rack (1);

a third transmission shaft (4), one end of which is connected with a third gear (41), the other end of which is connected with a third bevel gear (42), and the third gear (41) is meshed with the second gear (33);

a fourth transmission shaft (5), wherein a fourth bevel gear (52) meshed with the third bevel gear (42) is connected to the end of the fourth transmission shaft (5), a rotating disc (53) is connected to one end, facing the blade (11), of the fourth transmission shaft (5), and a rotating block (54) is eccentrically arranged on the rotating disc (53);

a rotating shaft (6), one end of which is connected with a fourth gear (61) meshed with the second gear (33), a sleeve (62) is arranged on the rotating shaft (6) in a sliding manner, the blade (11) is arranged on the sleeve (62), and a synchronous structure for enabling the rotating shaft (6) and the sleeve (62) to rotate synchronously is arranged between the rotating shaft (6) and the sleeve (62);

vibration mechanism, including vibrating arm and vibrating mass (84), spout (86) are seted up along vertical direction to the one end of vibrating mass (84) orientation carousel (53), rotating mass (54) are arranged in spout (86), vibrating arm length direction's one end is connected with vibrating mass (84), and the other end rotates with sleeve pipe (62) to be connected, vibration mechanism is still including the stop gear who is used for restricting the vibrating arm to slide along the length direction of sleeve pipe (62), frame (1) is improved level and is set up slide bar (12), vibrating mass (84) and slide bar (12) sliding connection.

2. The rotary cultivator of claim 1, wherein the turning block (54) is in the shape of a triangular rotor.

3. The efficient rotary cultivator according to claim 2, wherein the side of the rotating block (54) is provided with a groove (85) along the circumference, the sliding groove (86) is provided with limiting blocks (87) at two sides of the opening, and the limiting blocks (87) extend into the groove (85).

4. A high efficiency rotary cultivator as claimed in claim 3 wherein said vibratory rod comprises a first vibratory rod (82) and a second vibratory rod (83) hinged to each other.

5. The efficient rotary cultivator according to claim 1, wherein the limiting mechanism comprises a limiting groove (91) formed along the circumference of the sleeve (62), a rotating hole (92) is formed at one end of the vibrating rod close to the sleeve (62), and the sleeve (62) is partially inserted into the rotating hole (92) in the limiting groove (91).

6. The efficient rotary cultivator according to claim 1, wherein the surface of the rotating shaft (6) is provided with fixing grooves (71) which are long and long along the length direction of the rotating shaft, the inner wall of the sleeve (62) is provided with fixing strips (72) corresponding to the fixing grooves (71), and the fixing strips (72) are inserted into the fixing grooves (71).

7. The device according to claim 1, characterized in that the two ends of the rotating shaft (6) in the length direction are provided with dust-proof pipes (93), the dust-proof pipes (93) are fixedly arranged on the frame (1), and the two ends of the sleeve (62) are respectively positioned in the dust-proof pipes (93).