CN-118923349-B - Low-loss seedling pulling device for bean and jade composite planting and control method

CN118923349BCN 118923349 BCN118923349 BCN 118923349BCN-118923349-B

Abstract

The invention belongs to the technical field of harvesters, and provides a low-loss seedling pulling device for bean and jade compound planting and a control method thereof, wherein the seedling pulling device comprises a seedling pulling wheel assembly, a seedling pulling wheel assembly and a seedling pulling wheel assembly, wherein two ends of the seedling pulling wheel assembly are respectively provided with a supporting frame, a plurality of flexible seedling pulling plate pieces are uniformly distributed between two groups of supporting frames around the seedling pulling wheel assembly at intervals, and the flexible seedling pulling plate pieces are connected with a plurality of seedling pulling elastic teeth through position adjusting pieces; the height adjusting assembly comprises a frame hinged on the cutting table, a reel spindle connected to the frame in a rotating mode, a height adjusting piece arranged between the frame and the cutting table, a driving piece arranged between the frame and the reel spindle, and a monitoring assembly comprising a height monitoring piece arranged on the cutting table, a position monitoring piece arranged on the height adjusting piece and a rotating speed sensor arranged on the driving piece. The invention can adjust the retraction of the reel spring teeth and control the rotation speed and the height in the operation process aiming at the two conditions of lodging and non lodging of crops, thereby reducing the loss of the header in the harvesting process.

Inventors

LV XIAORONG
CHEN LONG
Qin Dulin
LIU QINGYUAN
YANG LIBIAO
XIE WEIXIAN
HUANG HAORAN
YANG WENYU

Assignees

四川农业大学

Dates

Publication Date: 20260512
Application Date: 20240816

Claims (6)

1. The utility model provides a low-loss reel device that soybean jade was compound planted, includes header (20), its characterized in that still includes: The reel assembly comprises a reel spindle (17), two ends of the reel spindle (17) are respectively provided with a supporting frame (19), a plurality of flexible reel plate pieces are distributed between the two supporting frames (19) at equal intervals around the reel spindle (17), a plurality of reel spring teeth (3) are connected to the flexible reel plate pieces through position adjusting pieces, and the position adjusting pieces are used for adjusting the angle relation between the reel spring teeth (3) and the reel plate pieces; the height adjusting assembly comprises a frame (7) hinged on the header (20), the reel spindle (17) is rotatably connected to one end of the frame (7), and a height adjusting piece is arranged between the frame (7) and the header (20); The driving piece is arranged between the frame (7) and the reel spindle (17) and is used for driving the reel spindle (17) to rotate; The monitoring assembly comprises a height monitoring piece arranged on the header (20), a position monitoring piece arranged on the height adjusting piece and a rotating speed sensor arranged on the driving piece; the flexible straw shifting plate piece comprises a straw shifting plate (2), two ends of the straw shifting plate (2) are respectively hinged between two groups of supporting frames (19), a straw shifting plate angle maintaining piece is arranged between the straw shifting plate (2) and one supporting frame (19), and the position adjusting piece is arranged on one side of the straw shifting plate (2); The grain pulling plate (2) and the grain pulling spring teeth (3) are made of flexible materials; The position adjusting piece comprises a reel tooth rotating shaft (1) which is rotatably connected to one side of a reel plate (2), a plurality of reel spring teeth (3) are fixedly connected to the reel tooth rotating shaft (1) at equal intervals, the reel spring teeth (3) are arranged in parallel, a small motor (14) is fixedly connected to the reel plate (2), an output shaft of the small motor (14) is fixedly connected with one end of the reel tooth rotating shaft (1) in a coaxial line, an elastic bolt (13) is further connected to the reel plate (2) in a threaded mode, the end portion of the elastic bolt (13) is correspondingly arranged with the side wall of the reel tooth rotating shaft (1), and the elastic bolt (13) is used for preventing the reel tooth rotating shaft (1) from rotating relative to the reel plate (2) during working.
2. The low-loss seedling pulling device for bean and jade composite planting according to claim 1, wherein a plurality of hidden grooves (15) are formed in the seedling pulling plate (2), the hidden grooves (15) are arranged corresponding to the seedling pulling spring teeth (3), and the hidden grooves (15) are used for accommodating the seedling pulling spring teeth (3).
3. The low-loss seedling pulling device for combined planting of beancurd and jade according to claim 1, wherein the height adjusting piece comprises two groups of hydraulic cylinders (6), one ends of the two groups of hydraulic cylinders (6) are respectively hinged to two sides of the cutting table (20), the other ends of the two groups of hydraulic cylinders (6) are respectively hinged to the frame (7), and the position monitoring piece is arranged on one hydraulic cylinder (6).
4. The low-loss seedling pulling device for combined planting of beancurd and jade according to claim 1, wherein the height monitoring piece comprises two groups of ultrasonic sensors (9) and two groups of inclination sensors (10), and the two groups of ultrasonic sensors (9) and the two groups of inclination sensors (10) are respectively and fixedly connected to bottoms of two opposite side walls of the header (20).
5. The low-loss reel device for combined planting of beancurd and jade according to claim 3, wherein the position monitoring piece comprises a hydraulic displacement sensor (11) fixedly connected to the hydraulic cylinder (6), and the hydraulic displacement sensor (11) is used for monitoring the extending length of the telescopic end of the hydraulic cylinder (6).
6. The control method of the low-loss seedling pulling device for bean and jade composite planting is based on the low-loss seedling pulling device for bean and jade composite planting as claimed in claim 1, and is characterized by comprising the following control processes: aiming at the harvested lodged crops, a certain included angle is formed between a plurality of reel spring teeth (3) and a flexible reel plate member through a position adjusting member, so that the reel position of the reel spring teeth (3) is ensured to be 2/3 of the height of the crops; aiming at crops which are not lodged in harvesting, a plurality of seedling pulling elastic teeth (3) are attached to a flexible seedling pulling plate piece through a position adjusting piece, and seedling pulling effect is realized by utilizing the flexible seedling pulling plate piece; In the operation process, the height monitoring piece detects the height of the header (20), and if the height of the header (20) exceeds a set range, the height adjusting piece adjusts the frame (7) to a proper height, so that the seedling pulling height is controlled; In the operation process, the rotation speed of the driving piece is monitored through the rotation speed sensor, when the operation with high crop density is carried out, the rotation speed of the driving piece is increased, and when the operation with low crop density is carried out, the rotation speed of the driving piece is reduced.

Description

Low-loss seedling pulling device for bean and jade composite planting and control method Technical Field The invention belongs to the technical field of harvesters, and particularly relates to a low-loss seedling pulling device for bean and jade compound planting and a control method. Background The soybean is taken as the fourth grain crop in China, and is an important grain and oil feeding agricultural product. At present, the loss caused by soybean harvesting by a soybean machine is a serious problem faced by mechanical soybean harvesting, wherein the loss caused by a cutting table accounts for more than half of the total loss, and the loss caused by the cutting table is considerable in value, so that the problem of the loss caused by the cutting table is significant in improving the soybean harvesting rate. At present, most soybean harvester cutting tables are provided with a conveying belt to realize automatic transportation after crops are harvested, and in the aspect of reel materials, the current reel spring tooth parts are mainly made of rigid materials, so that the soybean harvester cutting tables are unfavorable for harvesting soybean crops, and are particularly large in impact on soybean stalks, so that pods are seriously fried in the soybean feeding process, and loss is caused. In the aspect of reel structure, when crops are not lodged, the striking of reel spring teeth on soybeans can also cause the problems of pod explosion, grain dropping loss and the like, and the income of farmers is seriously influenced. In the aspect of reel rotating speed, when the harvester is used for harvesting lodging crops, the impact on seeds can be increased due to the fact that the reel rotating speed is too high, the straw can be pushed down by the header cutter due to the fact that the reel rotating speed is too low, and the loss of the seeds of the header is increased. In the aspect of the height of the header, when the soybean combine harvester performs field operation, the soybean combine harvester faces complex and rugged terrains, and the phenomena of inconsistent cutting height of stems, poor adjustment accuracy and large crop loss are very easy to occur. Disclosure of Invention The invention aims to provide a low-loss seedling pulling device for bean and jade compound planting and a control method thereof, so as to solve the problems, and achieve the purposes of adjusting the retraction of seedling pulling spring teeth, controlling the rotating speed and the height in the operation process and reducing the loss of a cutting table in the harvesting process aiming at two conditions of lodging and non lodging of crops. In order to achieve the purpose, the invention provides the scheme that the low-loss seedling pulling device for bean and jade composite planting comprises a header and further comprises: The reel assembly comprises a reel spindle, two ends of the reel spindle are respectively provided with a support frame, a plurality of flexible reel plate pieces are uniformly distributed between the two groups of support frames around the reel spindle at intervals, the flexible reel plate pieces are connected with a plurality of reel spring teeth through position adjusting pieces, and the position adjusting pieces are used for adjusting the angle relation between the reel spring teeth and the reel plate pieces; The height adjusting assembly comprises a frame hinged on the header, the reel spindle is rotatably connected to one end of the frame, and a height adjusting piece is arranged between the frame and the header; The driving piece is arranged between the frame and the reel spindle and is used for driving the reel spindle to rotate; The monitoring assembly comprises a height monitoring piece arranged on the header, a position monitoring piece arranged on the height adjusting piece and a rotating speed sensor arranged on the driving piece. Preferably, the flexible straw-shifting plate piece comprises a straw-shifting plate, two ends of the straw-shifting plate are respectively hinged between two groups of the supporting frames, a straw-shifting plate angle maintaining piece is arranged between the straw-shifting plate and one group of the supporting frames, and the position adjusting piece is arranged on one side of the straw-shifting plate. Preferably, the grain pulling plate and the grain pulling spring teeth are made of flexible materials. Preferably, the position adjusting piece comprises a reel tooth rotating shaft rotatably connected to one side of the reel plate, a plurality of reel spring teeth are fixedly connected to the reel tooth rotating shaft at equal intervals, a plurality of reel spring teeth are arranged in parallel, a small motor is fixedly connected to the reel plate, an output shaft of the small motor is fixedly connected with one end of the reel tooth rotating shaft in a coaxial line mode, an elastic bolt is further connected to the reel plate in a threaded mode, the end portion of