CN-117501929-B - High-connection low-planting type posture-changing planetary gear train planting mechanism

CN117501929BCN 117501929 BCN117501929 BCN 117501929BCN-117501929-B

Abstract

The high-connection low-planting type posture-changing planetary gear train planting mechanism belongs to agricultural machinery, an upper planetary shaft and a lower planetary shaft of a first planetary gear train mechanism are respectively and rotatably installed and matched with an upper second planetary gear train planting assembly and a lower second planetary gear train planting assembly, the outer ends of an upper planetary gear II and a lower planetary gear II sleeved on the upper planetary shaft and the lower planetary shaft are respectively and fixedly connected with an upper second gear box and a lower second gear box, one side of the upper planetary shaft and one side of the lower planetary shaft are respectively and fixedly connected with an upper central non-circular gear and a lower central non-circular gear, the other side of the upper planetary shaft and the lower planetary shaft are respectively and fixedly connected with an upper planetary gear I and a lower planetary gear I, a central shaft is inserted and fixedly connected with a main gear box at the outer side of a transmission mechanism assembly, a transmission driven gear, a central gear I and a central gear II sleeved on a central shaft are respectively are fixedly connected with each other, corresponding gears in the mechanism are in transmission operation according to the required transmission ratio, and the mechanism has good planting quality, wide range of adjustment, reliable operation, stable operation and high operation efficiency.

Inventors

XIN LIANG
SUN MINGYI
SUN GUOYU
ZHU XUANWEI
ZHUANG ZHIYUAN

Assignees

东北农业大学

Dates

Publication Date: 20260512
Application Date: 20231214

Claims (2)

1. A high-connection low-planting type variable-posture planetary gear train planting mechanism comprises a transmission mechanism assembly (1), a first planetary gear train mechanism (5), an upper second planetary gear train planting assembly (9) and a lower second planetary gear train planting assembly (19), wherein an upper planetary shaft (7) and a lower planetary shaft (17) are symmetrically and rotatably inserted and assembled at positions which are different by 180 DEG along the circumferential direction on the first planetary gear train mechanism (5), a central shaft (2) is rotatably assembled on the transmission mechanism assembly (1), the central shaft (2) is inserted and assembled at the outer side part of a transmission case (4) of the transmission mechanism assembly (1) and fixedly connected with a main gear box (14) of the first planetary gear train mechanism (5), the upper second planetary gear box (11) and the lower second planetary gear box (21) which are positioned at the outer side part of the first planetary gear train mechanism (5) are respectively assembled and matched with the upper planetary gear train planting assembly (9) and the lower planetary gear train planting assembly (19) through the upper second planetary gear box (11) and the lower second planetary gear box (21) which are respectively assembled on the upper planetary gear train (7) and the lower planetary gear train planting assembly (17), the upper planetary gear II (8) and the lower planetary gear II (18) of the first planetary gear train mechanism (5) are respectively and rotatably sleeved on the upper planetary shaft (7) and the lower planetary shaft (17), the outer end parts of the upper planetary gear II (8) and the lower planetary gear II (18) are respectively and fixedly connected with the upper second gear box (11) of the upper second planetary gear train planting assembly (9) and the lower second gear box (21) of the lower second planetary gear train planting assembly (19), one sides of the upper planetary shaft (7) and the lower planetary shaft (17) are respectively and fixedly connected with an upper non-circular gear (12) and a lower non-circular gear (20) in the upper second gear box (11) and the lower second gear box (21), the other sides of the upper planetary shaft (7) and the lower planetary shaft (17) are respectively and fixedly connected with an upper planetary gear I (6) and a lower gear I (16) in the first planetary gear train mechanism (5), a transmission driven gear (3) in the transmission mechanism assembly (1) is respectively and rotatably sleeved with a central gear I (13) and a central gear (15) in the first planetary gear train mechanism (5) and a driven gear I (13) respectively, the transmission relation between a central shaft (2) of the transmission mechanism assembly (1) and the transmission driven gear (3) is in the same direction rotation, the transmission ratio is 1:3, the transmission ratio between an upper planetary gear I (6) and a lower planetary gear I (16) of the first planetary gear system mechanism (5) and a central gear I (13) is 1:2, the transmission ratio between an upper planetary gear II (8) and a lower planetary gear II (18) and a central gear II (15) is 1:1, and the gear transmission ratios in an upper second planetary gear train planting assembly (9) and a lower second planetary gear train planting assembly (19) are both 1:1.
2. The high-connection low-planting type variable-attitude planetary gear train planting mechanism according to claim 1, wherein in the first planetary gear train mechanism (5), a planetary gear train transmission relation between a central gear I (13) and an upper planetary gear I (6) and a lower planetary gear I (16) is not assembled, an upper center non-circular gear (12) and a lower center non-circular gear (20) in an upper second planetary gear train planting assembly (9) and a lower second planetary gear train planting assembly (19) and gears meshed with the upper center non-circular gear (12) and the lower center non-circular gear (20) are circular gears, and a transmission ratio relation between the upper center non-circular gear (12) and the lower center non-circular gear (20) and an upper second planetary gear (10) and a lower second planetary gear (22) is 2:1.

Description

High-connection low-planting type posture-changing planetary gear train planting mechanism Technical Field The invention belongs to agricultural machinery, and mainly relates to a high-connection low-planting type variable-posture planetary gear train planting mechanism. Background At present, the working process of seedling planting machines for crops such as vegetables mainly comprises the steps of putting seedlings prepared by a manual seedling taking mechanism or a seedling throwing mechanism into the planting machines, and planting the seedlings into fields by the planting machines. However, due to the structural limitation of the integral coordination of the transplanting machine, the seedling throwing and receiving position is often higher, the field planting position is lower, and the operation height difference is larger, so that in order to meet the requirements of seedling receiving and planting operation, most of planting mechanisms in the current market are very huge and heavy in structure no matter whether working parts are connecting rod type or rotary type operation mechanisms, the whole planting machine or the planting device is designed, and most of devices rotate for only one time to complete planting operation, meanwhile, the horizontal posture of the mechanism can only be realized at the seedling throwing position, so that the inertial force is large, the vibration is large, the efficiency is low, the seedling receiving success rate is low, the space arrangement utilization rate is low, the adaptability is poor, the seedling planting quality is poor, and due to the large structure, the technical problems such as small planting distance planting requirements cannot be realized are needed to be solved. Disclosure of Invention The invention aims at solving the problems in the prior art, combines the actual requirements of the operation of crop seedling planting machines such as vegetables and the like, develops and designs a high-connection low-planting type variable-posture planetary gear train planting mechanism, and achieves the purposes of meeting the height difference requirements of seedling taking at a higher position and planting at a lower position, realizing the planting of seedlings with small plant spacing, having good kinematics and dynamics performance during operation, high seedling receiving success rate, good planting quality, wide plant spacing adjusting range, more reliable work, stable operation, strong adaptability and improving the operation efficiency. The invention aims to realize the high-connection low-planting type variable-posture planetary gear train planting mechanism, which comprises a transmission mechanism assembly, a first planetary gear train mechanism, an upper second planetary gear train planting assembly and a lower second planetary gear train planting assembly, wherein an upper planetary shaft and a lower planetary shaft are symmetrically and rotatably inserted and assembled at positions which are different by 180 degrees along the circumferential direction on the first planetary gear train mechanism, a central shaft is rotatably assembled on the transmission mechanism assembly, the central shaft is inserted and assembled at the outer side part of a transmission box of the transmission mechanism assembly and fixedly connected with a main gear box of the main planetary gear train, an upper second planetary gear box and a lower second planetary gear box are respectively assembled and matched at the outer side part of the first planetary gear train mechanism through an upper second planetary gear train planting assembly and a lower second planetary gear box, an upper planetary gear box and a lower planetary gear box of the first planetary gear train mechanism are respectively rotatably assembled at the upper planetary shaft and the lower planetary gear train planting assembly, an upper planetary gear II and a lower planetary gear II are respectively rotatably assembled at the upper planetary gear box and the lower planetary gear box of the upper planetary gear train I and the lower planetary gear box, an upper planetary gear box I and a lower planetary gear box I are respectively fixedly connected at the other side of the upper planetary gear train I and the lower planetary gear train is respectively, an upper planetary gear box I and a lower planetary gear box I are respectively fixedly connected at the upper planetary gear box I and a lower planetary gear box II planetary gear train planting assembly and a lower planetary train I and a lower planetary gear train II planetary train is respectively, the transmission driven gear in the transmission mechanism assembly is rotatably sleeved on the central shaft with the central gear I and the central gear II in the first planetary gear train mechanism respectively, the transmission driven gear is fixedly connected with the central gear I and the central gear II, the transmission relation between the central