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CN-224218854-U - Tractor for agricultural machinery convenient to turn

CN224218854UCN 224218854 UCN224218854 UCN 224218854UCN-224218854-U

Abstract

The utility model discloses a tractor for an agricultural machine, which is convenient to turn, and the tractor comprises a driving assembly, wherein two ends of a first rotating shaft are connected with a second rotating shaft, supporting rods are arranged on two sides of the first rotating shaft, mounting plates are arranged on two ends of the supporting rods, a fourth rotating shaft is rotatably arranged on two mounting plates, travelling wheels are arranged on the fourth rotating shaft, a steering mechanism is arranged on one end of each second rotating shaft, the steering mechanism comprises a third rotating shaft rotatably arranged on the mounting plate, a second rotating disc is slidably arranged on the third rotating shaft, one end of the second rotating shaft is connected with a first rotating disc, a plurality of protruding columns are fixedly connected to contact surfaces of the second rotating disc and the first rotating disc, limit holes matched with the protruding columns are formed in the other end of the third rotating shaft, a first gear is arranged on one end of the mounting plate, and a transmission assembly used for connecting the first gear and the fourth rotating shaft is arranged on the mounting plate. The utility model has the advantages of simple structure, low cost and light weight, and is suitable for small-sized agricultural machinery.

Inventors

  • HUANG YOUQIN
  • WANG HUAN
  • CHEN MINGHONG
  • CHEN XIAOQIANG
  • ZHOU ZHIYONG
  • QIAN QIAOYI
  • DONG SHAOBIN

Assignees

  • 云南民创农业科技有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (10)

  1. 1. The tractor for the agricultural machinery convenient to turn comprises a driving assembly (1), and is characterized in that the driving assembly (1) comprises a first rotating shaft (3) rotatably arranged on a reduction gearbox of the driving assembly, two ends of the first rotating shaft (3) are connected with second rotating shafts (14), supporting rods (5) are arranged on two sides of the first rotating shaft (3), mounting plates (26) are arranged on two ends of the supporting rods (5), a fourth rotating shaft (30) is rotatably arranged on two mounting plates (26), travelling wheels (2) are arranged on the fourth rotating shaft (30), steering mechanisms are arranged on one ends of the two second rotating shafts (14), each steering mechanism comprises a third rotating shaft (20) rotatably arranged on the mounting plates (26), a second rotating disc (18) is slidably arranged on the third rotating shaft (20), a plurality of protruding columns (19) are fixedly connected to contact surfaces of the second rotating disc (18) and the first rotating disc (17), a plurality of protruding columns (19) are arranged on one contact surfaces of the second rotating disc (18) and the first rotating disc (17), a limit groove (15) is formed in the other surface of the third rotating shaft (20), the inner hole of the second rotary table (18) is connected with a sliding block matched with the groove (15), one end of the third rotary shaft (20) extending out of the mounting plate (26) is provided with a first gear (25), and the mounting plate (26) is provided with a transmission component used for connecting the first gear (25) and the fourth rotary shaft (30).
  2. 2. The tractor for agricultural machinery which facilitates turning according to claim 1, wherein the transmission assembly comprises a second gear (27) rotatably mounted on the mounting plate (26) and meshed with the first gear (25), a first sprocket (28) is mounted on the other end of a rotating shaft on which the second gear (27) is mounted, a second sprocket (29) is mounted on the other end of the fourth rotating shaft (30), and the first sprocket (28) and the second sprocket (29) are connected by a chain.
  3. 3. The tractor for agricultural machinery convenient to turn according to claim 1 is characterized in that a plurality of reinforcing plates (6) are fixedly connected between the two supporting rods (5).
  4. 4. The tractor for the agricultural machinery convenient to turn according to claim 1 is characterized in that a third supporting plate (13) is arranged between the supporting rods (5), a third shaft sleeve (11) is rotatably arranged on the third supporting plate (13) through a first bearing seat (16), one end of the second rotating shaft (14) is detachably connected with the third shaft sleeve (11), and the first rotating disc (17) is fixedly connected with the third shaft sleeve (11).
  5. 5. The tractor for agricultural machinery convenient to turn according to claim 4 is characterized in that the supporting rods (5) on two sides are fixedly connected with second supporting plates (12), and the third supporting plate (13) is detachably arranged between the two second supporting plates (12).
  6. 6. The tractor for agricultural machinery convenient to turn according to claim 1 is characterized in that a second shaft sleeve (9) is detachably arranged on the second rotating shaft (14), and a driving chain wheel (10) is arranged on the second shaft sleeve (9).
  7. 7. The tractor for the agricultural machinery convenient to turn according to claim 1 is characterized in that two groups of first supporting plates (7) are fixedly connected to the supporting rods (5), a supporting frame (8) is fixedly connected between each group of first supporting plates (7), and a third bearing seat (34) for rotatably mounting the first rotating shaft (3) is mounted on the supporting frame (8).
  8. 8. The tractor for the agricultural machinery, which is convenient to turn, according to claim 1, is characterized in that a slip ring (23) is fixedly connected to one side of the second turntable (18) far away from the first turntable (17), flanges are connected to two ends of the slip ring (23), and a steering rod (24) is clamped outside the slip ring (23); The steering rod (24) comprises a shifting ring (2401) used for shifting the sliding ring (23) to move and a shifting rod (2402) connected with the shifting ring (2401), wherein one end of a spring (22) is arranged in the stepped hole and is contacted with a step of the stepped hole, the other end of the spring is contacted with the sliding ring (23), and the shifting rod (2402) is hinged with a wing plate (35) fixedly connected to the supporting rod (5).
  9. 9. The tractor for the agricultural machinery, which is convenient to turn, according to claim 8, is characterized in that one end of the deflector rod (2402) is connected with a limiting rod (2403), a limiting plate (31) is fixedly connected to the supporting rod (5), a first limiting groove (32) and a second limiting groove (33) are formed in the limiting plate (31), the length of the first limiting groove (32) is longer than that of the second limiting groove (33), one end of the first limiting groove is communicated with the length of the second limiting groove, the limiting rod (2403) penetrates through the limiting plate (31), when the first rotating disc (17) and the second rotating disc (18) are in contact, the limiting rod (2403) is located at one end of the first limiting groove (32) beyond the second limiting groove (33), and when the first rotating disc (17) and the second rotating disc (18) are separated, and the convex column (19) is separated from the surface of the second rotating disc (18).
  10. 10. The tractor for the agricultural machinery convenient to turn according to claim 1 is characterized in that a first shaft sleeve (4) is detachably connected between the second rotating shaft (14) and the first rotating shaft (3), a second shaft sleeve (9) is detachably installed on the first shaft sleeve (4), and a driving sprocket (10) is installed on the second shaft sleeve (9).

Description

Tractor for agricultural machinery convenient to turn Technical Field The utility model relates to the technical field of tractors, in particular to a tractor for an agricultural machine, which is convenient to turn. Background Most agricultural machinery such as transplanting and punching machines, rotary tillers and the like require a tractor to drive working parts to move. In order to enable the machine to turn, part of tractors of the agricultural machinery are driven by one side, driven wheels are arranged on the other side, power output is not stable enough, and traction and stability are required to be improved. Some tractors of large agricultural machinery have steering mechanisms, but have complex structures, high cost and heavy weight, and are not suitable for small agricultural machinery. Therefore, it is necessary to develop a tractor for agricultural machinery which is simple in structure, low in cost, light in weight and convenient to turn. Disclosure of utility model The utility model aims to solve the technical problem of providing the tractor for the agricultural machinery, which has the advantages of simple structure, low cost and light weight and is convenient to turn. The technical scheme includes that the tractor for the agricultural machinery comprises a driving assembly, wherein the driving assembly comprises a first rotating shaft rotatably installed on a reduction gearbox of the driving assembly, two ends of the first rotating shaft are connected with second rotating shafts, supporting rods are installed on two sides of the first rotating shaft, mounting plates are installed on two ends of each supporting rod, a fourth rotating shaft is rotatably installed on two mounting plates, travelling wheels are installed on the fourth rotating shaft, steering mechanisms are installed at one ends of the two second rotating shafts, the steering mechanisms comprise a third rotating shaft rotatably installed on the mounting plates, a second rotating disc is slidably installed on the third rotating shaft, one end of the second rotating shaft is connected with a first rotating disc, a plurality of protruding columns are fixedly connected to contact surfaces of the second rotating disc and the first rotating disc, limit holes matched with the protruding columns are formed in the other end of the second rotating shaft, grooves are formed in the surfaces of the third rotating shaft, sliding blocks matched with the grooves are connected to the second rotating disc, a first gear is installed at one end of the third protruding mounting plate, and a transmission assembly for connecting the first gear and the fourth rotating shaft is installed on the mounting plate. Further, the transmission assembly comprises a second gear which is rotatably arranged on the mounting plate and meshed with the first gear, a first sprocket is arranged at the other end of a rotating shaft for mounting the second gear, a second sprocket is arranged at the other end of the fourth rotating shaft, and the first sprocket is connected with the second sprocket through a chain. Further, a plurality of reinforcing plates are fixedly connected between the two supporting rods. Further, a third supporting plate is arranged between the supporting rods, a third shaft sleeve is rotatably arranged on the third supporting plate through a first bearing seat, one end of the second rotating shaft is detachably connected with the third shaft sleeve, and the first rotating disc is fixedly connected with the third shaft sleeve. Further, the support rods on the two sides are fixedly connected with second support plates, and the third support plate is detachably arranged between the two second support plates. Further, a second shaft sleeve is detachably arranged on the second rotating shaft, and a driving chain wheel is arranged on the second shaft sleeve. Further, two groups of first support plates are fixedly connected to the support rods, a support frame is fixedly connected between each group of first support plates, and a third bearing seat for rotatably mounting the first rotating shaft is mounted on the support frame. Furthermore, one side of the second turntable, which is far away from the first turntable, is fixedly connected with a slip ring, and two ends of the slip ring are connected with flanges; The steering rod comprises a shifting ring used for shifting the sliding ring to move and a shifting rod connected with the shifting ring, and the shifting rod is hinged with a wing plate fixedly connected to the supporting rod. The steering device comprises a steering rod, a supporting rod, a first rotating disc, a second rotating disc, a first limiting groove, a second limiting groove, a limiting plate, a first limiting groove and a second limiting groove, wherein the first limiting groove and the second limiting groove are formed in the limiting plate, the first limiting groove is longer than the second limiting groove in length, one end of t