CN115529863B

CN115529863B - Efficient rotary cultivator

Info

Publication number: CN115529863B
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: 2024-08-06
Anticipated expiration: 2042-11-09
Also published as: CN115529863A

Abstract

The invention relates to the field of agricultural machinery, in particular to a high-efficiency rotary cultivator, which comprises a frame and blades, wherein the frame is provided with: the rotating disc is eccentrically provided with a rotating block; the rotating shaft is provided with a sleeve in a sliding way, the blade is arranged on the sleeve, and a synchronous structure for synchronously rotating the rotating shaft and the sleeve is arranged between the rotating shaft and the sleeve; the vibrating mechanism comprises a vibrating rod and a vibrating block, wherein the vibrating block faces the turntable to form a sliding groove, 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 rotationally connected with the sleeve, the vibrating mechanism further comprises a limiting mechanism for limiting the vibrating rod to slide along the length direction of the sleeve, the sliding rod is horizontally arranged on the frame, and the vibrating block is in sliding connection with the sliding rod, so that the vibrating mechanism has the following beneficial effects: the vibrating rod vibrates and drives the sleeve to move back and forth for a short distance, so that the blade is driven to generate slight transverse vibration, the blade is enabled to be in full contact with the soil when the rotary cultivator is used for ploughing hard soil, and ploughing efficiency is higher.

Description

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 matched with a tractor to complete the tillage and harrowing operation. The soil-crushing machine has the characteristics of strong soil-crushing capability, flat ground surface after tillage and the like, so that the soil-crushing machine is widely applied; meanwhile, the stubble buried below the ground surface can be cut up, so that the operation of the seeder is facilitated, and a good seed bed is provided for later seeding.

Chinese patent with application number of CN202010219987.1 and name of "rice stubble field vibration scraping double-roller staggered type anti-winding and anti-sticking rotary cultivator" discloses a rotary cultivator. The rotary cultivator comprises a frame body, 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 harder soil, such as hardened soil, the running speed of a tractor needs to be reduced when the rotary cultivator works so as to ensure the ploughing effect of the soil, but the ploughing efficiency is reduced, and the problem needs to be solved.

Disclosure of Invention

The invention aims to provide a high-efficiency rotary cultivator which has the characteristic that the working efficiency is higher than that of a common rotary cultivator when the rotary cultivator is used for ploughing hard soil.

The technical aim 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;

The end part of the fourth transmission shaft is connected with a fourth bevel gear meshed with the third bevel gear, one end of the fourth transmission shaft, facing the blade, is connected with a rotary table, and a rotary block is eccentrically arranged on the rotary table;

One end of the rotating shaft is connected with a fourth gear meshed with the second gear, a sleeve is slidably arranged on the rotating shaft, the blade is arranged on the sleeve, and a synchronous structure for synchronously rotating the rotating shaft and the sleeve is arranged between the rotating shaft and the sleeve;

The vibrating mechanism comprises a vibrating rod and a vibrating block, wherein a chute is formed in one end of the vibrating block, facing the turntable, in the vertical direction, the rotating block is positioned in the chute, one end of the vibrating rod in the length direction is connected with the vibrating block, the other end of the vibrating rod is rotationally connected with the sleeve, the vibrating mechanism further comprises a limiting mechanism for limiting the vibrating rod to slide along the length direction of the sleeve, and a slide rod is horizontally arranged on the frame and is in sliding connection with the vibrating block.

By adopting the technical scheme, the power is transmitted from the output shaft of the tractor to the rotating shaft 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 to rotate simultaneously, the third transmission shaft, the third bevel gear, the fourth bevel gear and the fourth transmission shaft transmit power to the turntable, and the turntable drives the rotating block on the side face of the turntable to rotate.

Preferably, the rotating block has a triangular rotor shape.

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

Preferably, the side surface of the rotating block is provided with a groove along the circumferential direction, two sides of the opening of the chute are provided with limiting blocks, and the limiting blocks extend into the groove.

Through adopting above-mentioned technical scheme, stopper and recess limit the partly in the spout of turning block, prevent that the turning block from removing the spout because of jolting in the use.

Preferably, the vibration bar includes a first vibration bar and a second vibration bar hinged to each other.

Through adopting above-mentioned technical scheme, because holistic vibrating bar has certain rigidity, the rotary cultivator is unavoidable jolting in the operation in-process, makes the vibrating bar produce longitudinal impact to turning block and sleeve pipe, increases wearing and tearing between each part, through the articulated of first vibrating bar and second vibrating bar, makes wearing and tearing reduce.

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

Through adopting above-mentioned technical scheme, the tip and the rotation groove rotation of vibration pole are connected, and when the vibration pole was wanting to follow sheathed tube length direction lateral sliding, the lateral wall in spacing groove offsets with the vibration pole, makes the vibration pole can not relative sleeve pipe lateral movement, drives the sleeve pipe and removes when forcing vibration pole lateral movement.

Preferably, the surface of the rotating shaft is provided with a long fixing groove along the length direction, 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 fixed strip can slide along the length direction of fixed slot, makes sleeve pipe and axis of rotation can relative slip, again because the fixed strip inserts in the fixed slot, and during 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 length direction of the rotating shaft are provided with dustproof pipes, the dustproof pipes are fixedly arranged on the frame, 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 on the blade has the sleeve when ploughing the soil, when earth adhesion is at the both ends of axis of rotation, stops sheathed tube removal, through setting up the dustproof pipe, prevents that earth from increasing the resistance for sheathed tube removal, guarantees the normal work of sleeve pipe.

In summary, the invention has the following beneficial effects: through the rotation of carousel, drive the rotating block and rotate, because the rotating block eccentric setting, the transverse movement that makes round trip is carried out along the length direction of slide bar to the vibration piece when its rotation, and then makes vibration rod, sleeve pipe carry out transverse round trip movement, makes the blade have slight vibration effect at the during operation, makes the rotary cultivator when ploughing the stereoplasm soil, and the blade fully contacts with the soil, and ploughing efficiency is higher.

Drawings

FIG. 1 is a top view of a top of a frame for embodying the positional relationship of a first drive shaft and a second drive shaft;

fig. 2 is a schematic structural view of a side of a frame for embodying a positional relationship of a first gear, a second gear, a third gear, and a fourth gear;

FIG. 3 is a top view of the interior of the housing showing the positional relationship of the third drive shaft and the fourth drive shaft;

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

FIG. 5 is a cross-sectional view of a frame for embodying the position of a vibratory rod;

FIG. 6 is a schematic view of the structure of a rotor in an embodiment for embodying the shape of a rotor block;

FIG. 7 is an enlarged schematic view of B of FIG. 5, illustrating the manner in which the second vibratory rod is coupled to the sleeve;

Fig. 8 is a cross-sectional view of the dust-proof tube and the rotary shaft for embodying the positional relationship of the rotary shaft, the sleeve and the dust-proof tube.

In the figure, 1, a rack; 11. a blade; 12. a slide bar; 2. a first drive 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. a rotating block; 6. a rotating shaft; 61. a fourth gear; 62. a sleeve; 71. a fixing groove; 72. a fixing strip; 82. a first vibration lever; 83. a second vibration lever; 84. a vibrating block; 85. a groove; 86. a chute; 87. a limiting block; 88. a through hole; 91. a limit groove; 92. a rotation 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 explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Examples: as shown in fig. 1, a first transmission shaft 2 is horizontally installed at the top of the frame 1, and the first transmission shaft 2 is perpendicular to the length direction of the frame 1. One end of the first transmission shaft 2 is connected with a power output shaft of the tractor, and the other end extends to the top of the frame 1 and is connected with a first bevel gear 21. The top of the frame 1 is provided with a second transmission shaft 3 along the length direction, and the second transmission shaft 3 is perpendicular to the first transmission shaft 2. One end of the second transmission shaft 3, which is close to the first bevel gear 21, is connected with a second bevel gear 31, and the second bevel gear 31 is meshed with the first bevel gear 21.

As shown in fig. 1 and 2, the first gear 32, the second gear 33, the third gear 41, and the fourth gear 61 are mounted on the side surface of the frame 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 frame 1 along the length direction thereof, one end of the third transmission shaft 4 is connected with a third gear 41, and the other end is connected with a third bevel gear 42. A fourth transmission shaft 5 is arranged in the frame 1 at the same level with the third transmission shaft 4. A fourth bevel gear 52 is connected to the end of the fourth drive shaft 5, and the fourth bevel gear 52 meshes with the third bevel gear 42. The end part of the fourth transmission shaft 5, which is close to the fourth bevel gear 52, is connected with a rotary table 53, and the fourth transmission shaft 5 is connected with the axle center of the rotary table 53. A rotating shaft 6 is arranged below the frame 1 along the length direction, and the rotating shaft 6 is rotatably arranged. One end of the rotation shaft 6 is connected to a fourth gear 61. The rotating shaft 6 is sleeved with a sleeve 62, and the sleeve 62 and the rotating shaft 6 are provided with a synchronous structure for synchronously rotating the sleeve 62 and the rotating shaft 6. The sleeve 62 is connected to the blade 11 at its surface. 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 frame 1 in the length direction are respectively and fixedly connected with a dust-proof pipe 93.

As shown in fig. 4 and 5, the vibration mechanism includes a rotating block 54 fixed to a turntable 53, the rotating block 54 being eccentrically disposed. The rotary block 54 has a triangular rotor shape as shown in fig. 6, and has a curved triangle surface, which is also called a leo triangle. The side surface of the rotating block 54 is provided with an annular groove 85 along the circumferential direction thereof. A vibrating mass 84 is mounted adjacent to the rotating mass 54 and cooperates with the rotating mass 54. A slide groove 86 is formed inward on one side of the vibrating block 84 facing the rotating block 54, and one end of the rotating block 54 is inserted into the slide groove 86. A limiting block 87 is arranged inwards at the opening of the sliding groove 86, and the limiting block 87 is inserted into the groove 85. The vibration block 84 is provided with a through hole 88 extending therethrough in 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 at two sides of the frame 1. The slide bar 12 passes through the through hole 88 to slidably couple the vibrator block 84 to the slide bar 12. A vibrating bar is connected to a side of the vibrating block 84 facing the blade 11, and the vibrating bar includes a first vibrating bar 82 and a second vibrating bar 83 hinged to each other. 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. The 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 stopper mechanism for preventing the second vibration rod 83 from sliding relative to the sleeve 62. The limiting mechanism includes a limiting groove 91 formed circumferentially along the sleeve 62.

As shown in fig. 7, the stopper mechanism further includes a rotation hole 92 provided at an end of the second vibratory rod 83. The portion of the sleeve 62 located in the rotation groove is located in the rotation hole 92 so that the second vibration lever 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 synchronous structure includes fixed slots 71 that set up along the length direction of axis of rotation 6, and fixed slot 71 is two, sets up relatively. The inner wall of the sleeve 62 is provided with a fixing bar 72 fixed to the fixing groove 71, the fixing bar 72 is provided along the length direction of the sleeve 62, and the fixing bar 72 is inserted into the fixing groove 71. The length of the fixing bar 72 is smaller than the length of the fixing groove 71, so that the fixing bar 72 can slide in the fixing groove 71. The difference in length between the fixing bar 72 and the fixing groove 71 is not smaller than the stroke of the lateral movement of the rotating block 54.

As shown in fig. 8, the dust-proof pipe 93 is fixedly installed 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, such 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 all provided with protection pipes for fixing the protection pipes on the frame 1, the end parts of each transmission shaft and the rotation shaft 6 are all provided with bearings, and the connection parts of the adjacent transmission shafts are all provided with shells.

The using method comprises the following steps: the power is transmitted from the output shaft of the tractor to the rotating shaft 6 by utilizing 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, and the rotating shaft 6 is driven to drive the blade 11 to rotate for turning; the second gear 33 drives the third gear 41 to rotate at the same time, 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, when the turntable 53 rotates, the rotating block 54 on the side face of the turntable is driven to rotate, because the rotating block 54 is positioned in the sliding groove 86 and the rotating block 54 is eccentrically arranged, the rotating block 54 moves up and down relative to the sliding groove 86 when rotating, and simultaneously drives the rotating block 54 to move left and right along the length direction of the sliding rod 12, so as to drive the vibrating rod to vibrate, and because the limiting mechanism limits the relative displacement of the vibrating rod and the sleeve 62, the vibrating rod vibrates and drives the sleeve 62 to reciprocate for a short distance, so that the blade 11 is driven to generate slight transverse vibration, and when the rotary cultivator is used for ploughing hard soil, the blade 11 is fully contacted with the soil, and the ploughing 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 on 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);

A second transmission shaft (3), one end of which is connected with a second bevel gear (31) and the other end of which is connected with a first gear (32), wherein 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 frame (1);

A third transmission shaft (4) one end of which is connected with a third gear (41) and 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);

The end part of the fourth transmission shaft (5) is connected with a fourth bevel gear (52) meshed with the third bevel gear (42), one end of the fourth transmission shaft (5) facing the blade (11) is connected with a rotary table (53), and a rotary block (54) is eccentrically arranged on the rotary table (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 way, the blade (11) is arranged on the sleeve (62), and a synchronous structure for synchronously rotating the rotating shaft (6) and the sleeve (62) is arranged between the rotating shaft and the sleeve;

The vibrating mechanism comprises a vibrating rod and a vibrating block (84), wherein a sliding groove (86) is formed in one end of the vibrating block (84) facing the turntable (53) along the vertical direction, the rotating block (54) is positioned in the sliding groove (86), one end of the vibrating rod in the length direction is connected with the vibrating block (84), the other end of the vibrating rod is rotationally connected with the sleeve (62), the vibrating mechanism further comprises a limiting mechanism for limiting the sliding of the vibrating rod along the length direction of the sleeve (62), a sliding rod (12) is horizontally arranged on the frame (1), and the vibrating block (84) is in sliding connection with the sliding rod (12);

the shape of the rotating block (54) is a triangle rotor shape;

the side surface of the rotating block (54) is provided with a groove (85) along the circumferential direction, two sides of the opening of the sliding groove (86) are provided with limiting blocks (87), and the limiting blocks (87) extend into the groove (85);

the vibrating bars comprise a first vibrating bar (82) and a second vibrating bar (83) hinged to each other;

The limiting mechanism comprises a limiting groove (91) formed in the circumferential direction of the sleeve (62), a rotating hole (92) is formed in one end, close to the sleeve (62), of the vibrating rod, and the part, located in the limiting groove (91), of the sleeve (62) is inserted into the rotating hole (92).

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

3. The efficient rotary cultivator according to claim 1, wherein dust pipes (93) are arranged at two ends of the rotating shaft (6) in the length direction, the dust pipes (93) are fixedly arranged on the frame (1), and two ends of the sleeve (62) are respectively arranged in the dust pipes (93).