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CN-121970589-A - Carrot combine harvester

CN121970589ACN 121970589 ACN121970589 ACN 121970589ACN-121970589-A

Abstract

The invention relates to the technical field of agricultural equipment, and discloses a carrot combine harvester which comprises a wheeled self-propelled chassis and a frame group, wherein the frame group comprises a plurality of groups of frames connected side by side, two groups of frames in the center are connected with each other through a front group of connecting rods, the front group of connecting rods are connected with the wheeled self-propelled chassis through a lifting device, the frames are hinged with the wheeled self-propelled chassis, the top of a first end of each frame is provided with a supporting mechanism, the bottom of each frame is provided with a clamping and pulling conveying mechanism and a leveling and cutting mechanism, the leveling and cutting mechanism is arranged below the clamping and pulling conveying mechanism, a second end of each frame is provided with a leaf discharging mechanism, a soil cutting mechanism and an output mechanism are arranged on the wheeled self-propelled chassis, the working end of the soil cutting mechanism is arranged below the first end of the clamping and pulling conveying mechanism, and the output mechanism is arranged below the second end of the clamping and pulling conveying mechanism. The invention is suitable for land mass operation, and can harvest according to different agronomic requirements, thereby effectively improving the harvesting effect and efficiency of carrots.

Inventors

  • LI DESHUN

Assignees

  • 青岛大德矿山机械有限公司

Dates

Publication Date
20260505
Application Date
20260313

Claims (10)

  1. 1. A carrot combine harvester comprises a wheeled self-propelled chassis (1) and is characterized by further comprising a frame group (2), wherein the frame group (2) comprises a plurality of groups of frames (21) which are connected side by side, two groups of frames (21) in the center are connected with each other through a front group of connecting rods (22), the front group of connecting rods (22) are connected with the wheeled self-propelled chassis (1) through lifting devices, the frames (21) are hinged with the wheeled self-propelled chassis (1), a supporting mechanism (4) is arranged at the top of the first end of the frames (21), a clamping and pulling conveying mechanism (3) and a leveling and cutting mechanism (5) are arranged at the bottom of the frames (21), the leveling and cutting mechanism (5) is arranged below the clamping and pulling conveying mechanism (3), a row of tassel mechanism (7) is arranged at the second end of the frames (21), a soil mechanism (6) and an output mechanism (8) are arranged on the wheeled self-propelled chassis (1), and the working end of the soil mechanism (6) is arranged below the first end of the clamping and pulling conveying mechanism (3), and the output mechanism (8) is arranged below the second end of the clamping and pulling conveying mechanism (3).
  2. 2. The carrot combine harvester according to claim 1, wherein the wheeled self-propelled chassis (1) comprises a frame (11) and an engine (12), the frame (11) comprises a long rectangular frame (18) and a short rectangular frame (110), the long rectangular frame (18) is connected with the short rectangular frame (110) through a connecting beam (19), the engine (12) is arranged at the top of the long rectangular frame (18), and the output end of the engine (12) is respectively connected with the power input ends of the clamping and pulling conveying mechanism (3), the leaf supporting mechanism (4), the leveling and cutting mechanism (5) and the leaf discharging mechanism (7) through a transmission system (9).
  3. 3. The carrot combine harvester of claim 2, wherein the frame (21) comprises a main frame (211) and a front frame (212), a first end of the front frame (212) is provided with a supporting mechanism (4), one side of a second end of the front frame (212) close to a front group link (22) is hinged with the first end of the main frame (211) through a yaw hinge (215), one side of the second end of the front frame (212) far away from the front group link (22) is connected with the first end of the main frame (211) through two groups of connecting lugs (213), the two groups of connecting lugs (213) are respectively arranged on the front frame (212) and the main frame (211), the connecting lugs (213) are provided with circular arc-shaped long-mouth grooves (214), fixing bolts are arranged in the circular arc-shaped long-mouth grooves (214), a second end of the main frame (211) is provided with a main row link (222) and a secondary row link (224), the lifting device comprises a lifting cylinder (29) and a lifting chain (28), the second end of the main frame (211) is hinged with the first end of the rectangular link (110), the lifting cylinder (29) is hinged with the lifting cylinder (29), the top of the lifting chain (28) is connected with the lifting chain (28) at the top of the lifting chain (19), the top of the lifting chain (19) is connected with the lifting chain (28), the middle part of the hanging chain (28) is arranged on the lifting chain wheel (210).
  4. 4. The carrot combine harvester as set forth in claim 3, characterized in that the pinch conveying mechanism (3) comprises a first belt conveying mechanism and a second belt conveying mechanism, the first belt conveying mechanism is arranged at the bottoms of the opposite sides of the two groups of racks (21), the second belt conveying mechanism is arranged at the bottoms of the opposite sides of the two groups of racks (21), the first belt conveying mechanism and the second belt conveying mechanism comprise a driving belt pulley (31), a driven belt pulley (32), a pinch belt (33), a positioning wheel (38) and an outer positioning wheel (37), the pinch belt (33) is sleeved outside the driving belt pulley (31), the driven belt pulley (32) and the positioning wheel (38), the outer positioning wheel (37) is arranged outside the pinch belt (33), the driven belt pulley (32) of the first belt conveying mechanism and the second belt conveying mechanism are arranged on the first end of the front frame (212) in a sliding manner through a telescopic arm (36), an adjusting screw (34) is arranged on a mounting plate in a vertical manner, an adjusting screw (34) is arranged on the mounting plate in a threaded manner, the adjusting screw (34) and the first end (212) of the front frame (212) is provided with a pressure spring (39) and the elastic wheel carrier (39) is further arranged on the first frame (21), the inner end of the L-shaped elastic wheel frame (39) is connected with a positioning wheel (38) of the second belt conveying mechanism, the outer end of the L-shaped elastic wheel frame (39) is connected with a spring pull frame plate (218) on the frame (21) through a tension spring (310), the clamping belts (33) of the first belt conveying mechanism and the clamping belts (33) of the second belt conveying mechanism are mutually clung, and the output end of the transmission system (9) is respectively connected with the driving pulleys (31) of the first belt conveying mechanism and the driving pulleys of the second belt conveying mechanism.
  5. 5. The carrot combine harvester of claim 4, wherein: the transmission system (9) comprises a transfer gearbox (93), a T-shaped bevel gear box (99) and a main gear box (910), wherein the output end of an engine (12) is connected with the input end of the transfer gearbox (93), the output shaft of the transfer gearbox (93) is connected with the input shaft of the T-shaped bevel gear box (99) through a working transmission shaft (98), the T-shaped bevel gear box (99) is arranged on a frame (21), two output shafts of the T-shaped bevel gear box (99) are respectively connected with the input shafts of two groups of main gear boxes (910), the main gear box (910) is arranged on the frame (21), the main gear box (910) is provided with five groups of output shafts, the first output shaft of the main gear box (910) is respectively connected with the input end of a tassel arranging mechanism (7) and a driving pulley (31) of a first belt conveying mechanism, the second output shaft of the main gear box (910) is connected with the driving pulley (31) of a second belt conveying mechanism, and the third output shaft and the fourth output shaft of the main gear box (910) are respectively connected with the two input ends of a tassel arranging mechanism (5), and the fifth output shaft of the main gear box (910) is connected with the input end of a tassel holding mechanism (4) through a fifth conveying mechanism (920).
  6. 6. The carrot combine harvester of claim 5, wherein the leaf supporting mechanism (4) comprises a first leaf supporting roller (41), a second leaf supporting roller (42) and a leaf supporting transverse shaft (43), the first leaf supporting roller (41) and the second leaf supporting roller (42) are obliquely arranged on two sides of the first end of the front frame (212) respectively, the first end of the first leaf supporting roller (41) is provided with a left-handed spiral bulge, the first end of the second leaf supporting roller (42) is provided with a right-handed spiral bulge, the first leaf supporting roller (41) is connected with the first end of the leaf supporting transverse shaft (43) through a cone gear set, the second end of the leaf supporting transverse shaft (43) is connected with the second end of the second leaf supporting roller (42) through a cone gear set, and the fifth output shaft of the main gear box (910) is connected with the second end of the first leaf supporting roller (41) through a leaf supporting transmission shaft (920).
  7. 7. The carrot combine harvester of claim 5, wherein the stranding and cutting mechanism (5) comprises two groups of stranding and cutting units which are arranged side by side, each stranding and cutting unit comprises a stranding and cutting frame (51) and a cutting blade (55), two ends of the stranding and cutting frame (51) are connected with the bottom of the frame (21) through a stranding and cutting seat plate (221), an included angle is formed between the stranding and cutting frame (51) and the frame (21), a stranding and cutting driving wheel (54) and a plurality of groups of stranding and cutting positioning wheels (57) are arranged at the bottom of the stranding and cutting frame (51), a stranding belt (56) is sleeved outside the stranding and cutting driving wheel (54) and the stranding and cutting positioning wheels (57), a gap is formed between the two groups of stranding belts (56), a vertical shaft seat (52) is arranged at the top of the stranding and is provided with a vertical shaft (53), the bottom of the vertical shaft (53) is connected with the stranding and cutting blade (55), the cutting blade (55) is arranged between the stranding and cutting driving wheel (54) and the cutting driving wheel (51) and the third output shaft (910) is connected with the fourth output shaft (53) respectively.
  8. 8. The carrot combine harvester as set forth in claim 2, wherein the plough mechanism (6) comprises two groups of plough frames (61) and a first pull rod (63), the two groups of plough frames (61) are connected with each other through a cross rod, a coulter (62) is detachably arranged at the first end of the plough frame (61) through bolts, the second end of the plough frame (61) is hinged with the short rectangular frame (110), the first pull rod (63) is a positive and negative screw rod, and two ends of the first pull rod (63) are hinged with the cross rod and the front group of connecting rods (22) through threaded joints respectively.
  9. 9. The carrot combine harvester according to claim 5, wherein the row-leaf mechanism (7) comprises a driving sprocket (71), a driven sprocket (72), a sprocket telescopic arm (73), a toothed chain (77), a leaf pressing seat (78) and a guide-out pressing rod (79), the driving sprocket (71) is arranged above the driving pulley (31) in the first belt conveying mechanism, a first end of the sprocket telescopic arm (73) is slidably arranged in a main row-leaf frame (222), a driven sprocket (72) is arranged at a second end of the sprocket telescopic arm (73), the toothed chain (77) is sleeved outside the driving sprocket (71) and the driven sprocket (72), a spring baffle (74) is arranged at a first end of the sprocket telescopic arm (73), a screw seat plate (223) is arranged on the main row-leaf frame (222), a second adjusting screw (75) is arranged on the screw seat plate through threads, a pressing plate is arranged between the pressing plate and the spring baffle plate (74), the leaf pressing seat (78) is arranged on a sub row-leaf frame (224), the tooth pressing seat (78) is arranged on the sub-leaf frame (224), the guide-out pressing rod (79) is arranged on the middle part of the two row-leaf frame (79) and the guide-out pressing rod (79) is arranged on the two vertical row-leaf frames, the guide-leaf seat is arranged on the two vertical-leaf frames (79, two groups of pressure-leaf rods (710) are arranged on the leading-out pressure rod (79), the pressure-leaf rods (710) are arranged on the two groups of vertical plates in a penetrating mode, pressure-leaf springs (711) are sleeved on the pressure-leaf rods (710) between the two groups of vertical plates, the first ends of the pressure-leaf springs (711) are fixedly connected with the pressure-leaf rods (710), the second ends of the pressure-leaf springs (711) are abutted to the group of vertical plates close to the auxiliary row-leaf frame (224), and the first output shaft of the main gear box (910) is connected with the driving sprocket (71).
  10. 10. The carrot combine harvester of claim 2, wherein the output mechanism (8) comprises a longitudinal conveyor (81), a transverse conveyor (82) and a second pull rod (83), a first end of the longitudinal conveyor (81) is arranged below the pull-flat cutting mechanism (5), the first end of the longitudinal conveyor (81) is hinged with the frame (11), a second end of the longitudinal conveyor (81) is higher than the first end of the longitudinal conveyor (81), the second pull rod (83) is a positive and negative wire screw rod, two ends of the second pull rod (83) are respectively hinged with the middle part of the longitudinal conveyor (81) and the frame (11) through threaded joints, and the transverse conveyor (82) is transversely arranged below the second end of the longitudinal conveyor (81).

Description

Carrot combine harvester Technical Field The invention relates to the technical field of agricultural equipment, in particular to a carrot combine harvester. Background Carrot is a common crop and is very popular because of its rich carotene content. Carrot planting is large-scale, large-area planting and harvesting are carried out continuously from the south to the north, the planting scale is millions of mu, but the mechanized harvesting rate is lower, when the carrot is harvested, the carrot is generally turned out of the land with leaves by a carrot harvesting plow according to the ridge row of the carrot planting, and then is harvested manually, so that the carrot combine harvester with stable and mature performance is urgently needed to be developed. The carrot belongs to the field of harvesting, and the requirements of the seedling growth of the tassel, agriculture, carrot commodity and the like are different, the structure, performance and function of the existing carrot combine are not perfect, the running stability, reliability and practicability are not enough, and the existing carrot combine used in the field is not mature. The combined harvester for pulling carrots developed by European farm machinery manufacturers is small in quantity in China, but is high in price and single in performance, while Japanese farm machinery manufacturers also develop and develop the combined harvester for pulling carrots, which belongs to mountain lands and small land models, and is difficult to adapt to factors such as domestic land, agronomic requirements and performances, and trace of the combined harvester for pulling carrots is rare. Therefore, there is a need for a carrot combine that can meet domestic large plots, agronomic requirements and performance. Disclosure of Invention Aiming at the defects of the prior art, the invention develops the carrot combine harvester, which is suitable for land block operation and harvesting according to different agronomic requirements, realizes the whole-flow harvesting operation from the supporting of the carrot to the output, and effectively improves the harvesting effect and the harvesting efficiency of the carrot. The technical scheme includes that the carrot combine harvester comprises a wheeled self-propelled chassis and a frame group, wherein the frame group comprises a plurality of groups of frames connected side by side, the two groups of frames in the center are connected with each other through a front group of connecting rods, the front group of connecting rods are connected with the wheeled self-propelled chassis through a lifting device, the frames are hinged with the wheeled self-propelled chassis, a supporting mechanism is arranged at the top of a first end of each frame, a clamping and pulling conveying mechanism and a leveling and cutting mechanism are arranged at the bottom of each frame, the leveling and cutting mechanism is arranged below the clamping and pulling conveying mechanism, a leaf arranging mechanism is arranged at a second end of each frame, a plough mechanism and an output mechanism are arranged on the wheeled self-propelled chassis, the working end of the plough mechanism is arranged below the first end of the clamping and pulling conveying mechanism, and the output mechanism is arranged below the second end of the clamping and pulling conveying mechanism. As optimization, the wheeled self-propelled chassis comprises a frame and an engine, wherein the frame comprises a long rectangular frame and a short rectangular frame, the long rectangular frame is connected with the short rectangular frame through a connecting beam, the top of the long rectangular frame is provided with the engine, and the output end of the engine is respectively connected with the power input ends of the clamping and pulling conveying mechanism, the supporting mechanism, the leveling and cutting mechanism and the arranging mechanism through a transmission system. The long rectangular frame, the short rectangular frame and the connecting beam are arranged to form a split type frame structure, the long rectangular frame bears power and the control system, the short rectangular frame bears the operation mechanism, the long and thin connecting beam in the middle provides installation space for the rack group and the clamping and pulling conveying mechanism, the linear arrangement of the operation mechanism is realized by fully utilizing the area between the long rectangular frame and the short rectangular frame, the whole structure is short, small and compact, the turning radius is small, the whole structure is adapted to field small-block turning operation, the engine is arranged to serve as a whole machine power source, meanwhile, power is provided for the walking system and all the operation mechanisms, and the setting of the power source is reduced. The frame comprises a main frame and a front frame, wherein a first end of the front frame is provided with a supporti