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CN-117178728-B - Dig formula carrot harvesting apparatus with cut tassel function

CN117178728BCN 117178728 BCN117178728 BCN 117178728BCN-117178728-B

Abstract

The invention belongs to the technical field of agricultural machinery, and particularly relates to an excavating carrot harvesting device with a tassel cutting function, which comprises a first frame and a second frame which are sequentially arranged along an excavating direction, wherein the first frame is fixedly connected with the second frame, an excavating component is arranged at the front end of the second frame, a first conveying mechanism is arranged in the second frame, a second conveying mechanism is arranged in the first frame, the tail end of the first conveying mechanism is positioned above the head end of the second conveying mechanism, a tassel cutting mechanism is arranged above the second conveying mechanism, a transmission mechanism is fixedly connected on the first frame, the tassel cutting mechanism and the second conveying mechanism are both in transmission connection with the transmission mechanism, and the first conveying mechanism is in transmission connection with the second conveying mechanism. According to the device, the carrot is directly dug out through the digging component, and then the carrot tassel is cut off, so that the problem that the carrot is harvested in a clamping and pulling mode by a traditional self-propelled carrot harvester and is missed is solved.

Inventors

  • ZENG GONGJUN
  • ZHANG ZHIQIANG
  • YE JUN
  • ZHOU DONGHUI

Assignees

  • 浙江工业职业技术学院

Dates

Publication Date
20260512
Application Date
20230512

Claims (7)

  1. 1. The digging carrot harvesting device with the tassel cutting function is characterized by comprising a first rack (1) and a second rack (14) which are sequentially arranged along the digging direction, wherein the first rack (1) is fixedly connected with the second rack (14), a digging component is arranged at the front end of the second rack (14), a first conveying mechanism is arranged in the second rack (14), a second conveying mechanism is arranged in the first rack (1), the tail end of the first conveying mechanism is positioned above the head end of the second conveying mechanism, a tassel cutting mechanism is arranged above the second conveying mechanism, a transmission mechanism is fixedly connected on the first rack (1), the tassel cutting mechanism and the second conveying mechanism are in transmission connection with the transmission mechanism, and the first conveying mechanism is in transmission connection with the second conveying mechanism; The second conveying mechanism comprises a first conveying roller (25) and a second conveying roller (26) which are arranged in parallel and horizontally, the first conveying roller (25) is rotationally connected with one end of the first frame (1) far away from the second frame (14) through a first roller shaft (2), the second conveying roller (26) is rotationally connected with one end of the first frame (1) near the second frame (14) through a fifth roller shaft (13), a conveying belt (11) is sleeved on the outer sides of the first conveying roller (25) and the second conveying roller (26), and the top surface of the conveying belt (11) is horizontally arranged; The tassel cutting mechanism comprises a press roller (9) which is horizontally arranged, wherein both ends of the press roller (9) are coaxially and fixedly connected with a third roll shaft (7), the two third roll shafts (7) are respectively and rotatably connected with a vertical plate (21), and the vertical plates (21) are fixedly connected to two opposite sides of the first frame (1); The bottom end of the outer side wall of the press roller (9) is in friction contact with the top surface of the conveying belt (11), and an included angle exists between the axis of the press roller (9) and the axis of the first conveying roller (25); A baffle (10) which is vertically arranged is fixedly connected between the two vertical plates (21), the baffle (10) is arranged in parallel with the axis of the press roller (9), a gap is reserved between the bottom end of the baffle (10) and the top surface of the conveying belt (11), one end, far away from the second rack (14), of the baffle (10) is rotationally connected with a short shaft, the short shaft is perpendicular to the baffle (10), a cutting sheet (8) is coaxially fixedly connected on the short shaft, the cutting sheet (8) is close to the baffle (10), a fourth bevel gear (20) is coaxially fixedly connected at one end, far away from the baffle (10), of the short shaft, a third bevel gear (19) is meshed with the fourth bevel gear (20), and the third bevel gear (19) is coaxially fixedly connected on the outer side wall of the third roller shaft (7). The bottom end of the cutting piece (8) is lower than the top surface of the conveying belt (11), the cutting piece (8) is not interfered with the conveying belt (11), and the cutting piece (8) is close to the outer edge of the conveying belt (11).
  2. 2. The excavating carrot harvesting device with the tassel cutting function according to claim 1, wherein the first conveying mechanism comprises a sixth roller (16) and a seventh roller (17) which are horizontally and parallelly arranged, the sixth roller (16) is rotationally connected with one end of the second rack (14) close to the first rack (1), the sixth roller (16) is positioned right above the second conveying roller (26), the sixth roller (16) and the second conveying roller (26) are arranged in parallel, the seventh roller (17) is rotationally connected with one end of the second rack (14) far away from the first rack (1), two ends of the sixth roller (16) are coaxially fixedly connected with a first sprocket (27), two ends of the seventh roller (17) are coaxially fixedly connected with a second sprocket (28), the first sprocket (27) and the second sprocket (28) are both positioned in the second rack (14), the second sprocket (27) and the second sprocket (28) are positioned on the same side, and the second sprocket (24) is connected with a plurality of conveying rods (24) in parallel with the conveying shafts (24), and the conveying rods (24) are fixedly connected with one another.
  3. 3. The excavating carrot harvesting device with the tassel cutting function according to claim 2, wherein one end of the sixth roll shaft (16) penetrates out of the second frame (14) and is coaxially fixedly connected with a third belt wheel (23), one end of the fifth roll shaft (13) penetrates out of the first frame (1) and is coaxially fixedly connected with a fourth belt wheel (29), the third belt wheel (23) and the fourth belt wheel (29) are arranged on the same side, and the third belt wheel (23) and the fourth belt wheel (29) are in transmission connection through a first synchronous belt.
  4. 4. The excavating carrot harvesting device with the tassel cutting function according to claim 1, wherein the transmission mechanism comprises a support plate (22) fixedly connected to one side, far away from the first frame (1), of the vertical plate (21), a fourth roll shaft (12) is rotatably connected between the support plate (22) and the vertical plate (21), the fourth roll shaft (12) and the third roll shaft (7) are arranged in parallel, and one end of the fourth roll shaft (12) penetrates out of the vertical plate (21) and is in transmission connection with an external transmission system.
  5. 5. The excavating carrot harvesting device with the tassel cutting function according to claim 4, wherein a first belt wheel (5) is coaxially and fixedly connected to the outer side wall of the fourth roller shaft (12), one end of the third roller shaft (7) penetrates out of the vertical plate (21) and is coaxially and fixedly connected with a second belt wheel (6), the first belt wheel (5) and the second belt wheel (6) are arranged on the same side, and the first belt wheel (5) and the second belt wheel (6) are in transmission connection through a second synchronous belt.
  6. 6. The excavating carrot harvesting device with the tassel cutting function according to claim 4, wherein one end of the fourth roll shaft (12) far away from the vertical plate (21) penetrates out of the support plate (22) and is coaxially fixedly connected with a second bevel gear (4), the second bevel gear (4) is meshed with a first bevel gear (3), and one end of the first roll shaft (2) penetrates out of the first frame (1) and is coaxially fixedly connected with the first bevel gear (3).
  7. 7. The excavating carrot harvesting device with the tassel cutting function according to claim 2, wherein the excavating component comprises a shovel blade (18), the shovel blade (18) is fixedly connected to one end of the second frame (14) far away from the first frame (1), one end of the shovel blade (18) far away from the second frame (14) is arranged in a downward inclined mode, and the shovel blade (18) and the axis of the seventh roll shaft (17) are located on the same plane.

Description

Dig formula carrot harvesting apparatus with cut tassel function Technical Field The invention belongs to the technical field of agricultural machinery, and particularly relates to an excavating carrot harvesting device with a tassel cutting function. Background Carrot is one of ten big vegetables worldwide, and is widely planted in a large area and distributed around the world. At present, most of harvesting devices of self-propelled carrot harvesters sold in domestic and foreign markets firstly loosen soil and then harvest carrots through a belt or chain clamping and pulling mode, so that the high requirement on the tensile strength of the carrot tassel is achieved. When the carrot tassel is damaged, the tensile property is reduced, and the pulling-out type carrot harvester is easy to leak. Research shows that when the carrot leaves are subjected to frost, the tensile strength of the carrot leaves is reduced sharply and is insufficient to bear pulling force for pulling the carrot leaves up, so that the traditional carrot harvester cannot effectively complete carrot harvesting operation. Therefore, the conventional carrot harvester still has the defects that all-weather harvesting of carrots cannot be realized. Disclosure of Invention The invention aims to provide an excavating type carrot harvesting device with a tassel cutting function, so as to solve the problems. In order to achieve the above object, the present invention provides the following solutions: The utility model provides an excavation formula carrot harvesting apparatus with cut tassel function, includes first frame and the second frame that sets gradually along the excavation direction, first frame with the second frame rigid coupling, the front end of second frame is provided with the excavation subassembly, be provided with first conveying mechanism in the second frame, be provided with second conveying mechanism in the first frame, first conveying mechanism's tail end is located the top of second conveying mechanism head end, second conveying mechanism's top is provided with cuts tassel mechanism, rigid coupling has drive mechanism in the first frame, cut tassel mechanism and second conveying mechanism all with drive mechanism transmission connection, first conveying mechanism with second conveying mechanism transmission connection. Preferably, the second conveying mechanism comprises a first conveying roller and a second conveying roller which are parallel and horizontally arranged, the first conveying roller is rotationally connected with one end of the first rack away from the second rack through a first roller shaft, the second conveying roller is rotationally connected with one end of the first rack close to the second rack through a fifth roller shaft, a conveying belt is sleeved on the outer side of the first conveying roller and the outer side of the second conveying roller, and the top surface of the conveying belt is horizontally arranged. Preferably, the first conveying mechanism comprises a sixth roller shaft and a seventh roller shaft which are horizontally and parallelly arranged, the sixth roller shaft is rotationally connected to one end, close to the first frame, of the second frame, the sixth roller shaft is located right above the second conveying roller, the sixth roller shaft is parallel to the second conveying roller, the seventh roller shaft is rotationally connected to one end, far away from the first frame, of the second frame yard, first chain wheels are coaxially fixedly connected to two ends of the sixth roller shaft, second chain wheels are coaxially fixedly connected to two ends of the seventh roller shaft, the first chain wheels and the second chain wheels are located in the second frame and located on the same side, the first chain wheels and the second chain wheels are in transmission connection through conveying chains, a plurality of conveying rods are fixedly connected between the conveying chains at equal intervals, and the axes of the conveying rods are parallel to the axes of the sixth roller shaft. Preferably, one end of the sixth roll shaft penetrates out of the second frame and is coaxially fixedly connected with a third belt wheel, one end of the fifth roll shaft penetrates out of the first frame and is coaxially fixedly connected with a fourth belt wheel, the third belt wheel and the fourth belt wheel are arranged on the same side, and the third belt wheel and the fourth belt wheel are in transmission connection through a first synchronous belt. Preferably, the tassel cutting mechanism comprises a press roller which is horizontally arranged, wherein the two ends of the press roller are coaxially and fixedly connected with third roll shafts, the two third roll shafts are respectively and rotatably connected with a vertical plate, and the vertical plates are fixedly connected to the two opposite sides of the first frame; The bottom end of the outer side wall of the press roller is in friction con