CN-117837378-B - Cabbage harvester and secondary cutting device and method for root of cabbage harvester

CN117837378BCN 117837378 BCN117837378 BCN 117837378BCN-117837378-B

Abstract

A Chinese cabbage harvester comprises a support, a driving mechanism, a rotary holding mechanism, a cutting knife, a control mechanism and a cutting mechanism, wherein the support is provided with a bottom plate at the top end, a root hole is formed in the bottom plate, the driving mechanism is arranged on the support and located below the bottom plate, the rotary holding mechanism comprises a driving holding blade and an auxiliary holding blade which are oppositely arranged, the driving holding blade and the auxiliary holding blade are respectively arranged on the bottom plate through a first vertical shaft and a second vertical shaft and are respectively driven by the first vertical shaft and the second vertical shaft to rotate around the axis of the driving mechanism, the first vertical shaft and the second vertical shaft are respectively located on two sides of the root hole, the first vertical shaft is connected with the driving mechanism, the cutting knife is arranged on the bottom plate corresponding to the rotary holding mechanism and is connected with the driving mechanism, and the control mechanism is respectively connected with the driving mechanism to control the driving mechanism to drive the cutting knife and the rotary holding mechanism to complete secondary cutting of the Chinese cabbage root. The invention also provides a secondary cutting method for the root of the Chinese cabbage.

Inventors

YUAN YANWEI
GAO CHENGBO
NIU KANG
ZHANG WEIPENG
ZHAO BO
ZHOU LIMING
Tong Wenyu
ZENG YIFAN

Assignees

中国农业机械化科学研究院集团有限公司

Dates

Publication Date: 20260512
Application Date: 20240202

Claims (9)

1. The utility model provides a chinese cabbage root secondary cutting device which characterized in that includes: The top end of the bracket is provided with a bottom plate, and the bottom plate is provided with a root hole for accommodating the root of the cabbage; The driving mechanism is arranged on the bracket and is positioned below the bottom plate; The rotary holding mechanism is used for flexibly holding and clamping the cabbages and comprises an active holding blade and an auxiliary holding blade which are oppositely arranged, wherein the active holding blade and the auxiliary holding blade are respectively arranged on the bottom plate through a first vertical shaft and a second vertical shaft and are respectively driven by the first vertical shaft and the second vertical shaft to rotate around the axis of the rotary holding mechanism; A cutter which is arranged on the bottom plate corresponding to the rotary holding mechanism and is connected with the driving mechanism for cutting the root of the clamped cabbage, and The control mechanism is respectively connected with the driving mechanism and the rotary holding mechanism so as to control the driving mechanism to drive the cutting knife to be matched with the rotary holding mechanism to finish secondary cutting of the root of the Chinese cabbage; The control mechanism comprises a controller, a data acquisition module, a rotary clamping rotating speed sensor, a cutter rotating speed sensor and an electromagnetic clutch, wherein the data acquisition module is respectively connected with the controller, the rotary clamping rotating speed sensor and the cutter rotating speed sensor, the rotary clamping rotating speed sensor is arranged on the active clamping blade, the cutter rotating speed sensor is arranged on the cutter, and the electromagnetic clutch is arranged on the first vertical shaft and connected with the controller and used for rapidly and stably braking the active clamping blade.
2. A secondary cutting device for chinese cabbage roots as in claim 1, wherein said control means further comprises a rotary damper disposed on said second vertical shaft for adaptively adjusting the gripping angle and gripping moment according to the size of the chinese cabbage.
3. A secondary cutting device for chinese cabbage root as in claim 1, wherein the control means further comprises a gripping and conveying sensor mounted on a rotation shaft of the gripping and conveying device of the chinese cabbage harvester and connected to the controller for detecting the rotation speed and direction of the gripping and conveying device in real time.
4. A secondary cutting device for chinese cabbage roots as claimed in claim 1, wherein said driving mechanism comprises: The driving motor is arranged on the bracket and is positioned below the bottom plate; A transmission shaft positioned below the bottom plate, one end of the transmission shaft is connected with the driving motor, the other end of the transmission shaft is connected with the cutting knife, and And the chain wheel transmission mechanism is respectively connected with the first vertical shaft and the transmission shaft.
5. A secondary cabbage root cutting device as claimed in claim 4, wherein the cutter is a serrated or star-toothed concave disc cutter mounted above the base plate by the drive shaft and located on a side of the base hole between the active and auxiliary gripping blades.
6. The secondary cutting device for Chinese cabbage roots as claimed in claim 1, wherein the active holding blades comprise a pair of arc-shaped blades arranged in a central symmetry manner, and the auxiliary holding blades comprise three blades with an included angle of 120 o with respect to each other, and each blade has the same radian.
7. A secondary cutting device for chinese cabbage roots as claimed in claim 6, wherein said arcuate blades and said blades are each flexible steel material, and wherein the inner surfaces of said arcuate blades and said blades are each provided with continuous lines.
8. A secondary cutting method for Chinese cabbage root is characterized in that, the secondary cutting device for the root of chinese cabbage as claimed in any one of claims 1 to 7, comprising the steps of: s100, starting a cabbage harvester and starting a secondary cutting device for the root of the cabbage; S200, pulling up the root of the Chinese cabbage by a pulling-up cutting device at the front end of the Chinese cabbage harvester, removing a part of roots, and conveying the Chinese cabbage to a secondary cutting device at the rear end of the Chinese cabbage root by a clamping conveying device; S300, the controller controls the start and stop of the electromagnetic clutch and/or adjusts the rotating speed of the driving motor according to set conditions so as to complete automatic control of secondary flexible cutting of the root of the white vegetable; S400, when the root of the cabbage falls into a bottom plate root hole of the secondary cutting device for the root of the cabbage, the electromagnetic clutch is disconnected, the active clamping blade is rapidly and stably braked, the rotary damper adaptively adjusts the clamping angle and the clamping moment of the active clamping blade and the auxiliary clamping blade according to the size of the cabbage, the active clamping blade is matched with the auxiliary clamping blade, and the flexible clamping device clamps the cabbage falling from the clamping conveying device; s500, cutting off the root of the Chinese cabbage by rotating a cutter to finish secondary cutting of the root of the Chinese cabbage, and And S600, the electromagnetic clutch is engaged, the active holding blades continue to rotate, and the Chinese cabbage after the root secondary cutting is pushed to fall into the Chinese cabbage collecting device.
9. A cabbage harvester comprising a secondary cutting device for cabbage roots according to any one of claims 1 to 7.

Description

Cabbage harvester and secondary cutting device and method for root of cabbage harvester Technical Field The invention relates to agricultural machinery technology, in particular to a cabbage harvester and a secondary cutting device and method for roots of cabbages. Background Cabbage has good economic value and nutritive value, and plays an extremely critical role in food consumption. Meanwhile, the Chinese cabbage has the advantages of high unit yield, storage and transportation resistance, long supply period and the like, and the harvest area and the yield are steadily increased year by year and are kept at a higher level as a whole. The Chinese cabbage planting is relatively scattered in general, the scale is small, the overall mechanization level and industrialization degree are low, at present, the Chinese cabbage harvesting operation is mainly carried out manually, and the problems of low working efficiency, high labor intensity, high operation cost, difficult control of the manual harvesting quality and the operation efficiency and the like exist. The efficiency and benefit of cabbage production have been greatly restricted to factors such as prior art's chinese cabbage harvester and supporting technical device, and self inefficiency and high damage rate that exist, and the root cutting requirement when chinese cabbage results the operation is higher simultaneously, has root cutting position inaccuracy, mechanized operation damage rate height and automatic low grade scheduling problem in the current chinese cabbage harvester operation process. Therefore, how to provide a secondary accurate root cutting device of a cabbage harvester, which can reduce the damage rate of mechanized harvesting operation and has high harvesting efficiency, is a technical problem to be solved in the field. Disclosure of Invention The invention aims to solve the technical problems of the prior art and provides a cabbage harvester and a secondary cutting device and method for roots of cabbages. In order to achieve the above object, the present invention provides a secondary cutting device for root of chinese cabbage, comprising: The top end of the bracket is provided with a bottom plate, and the bottom plate is provided with a root hole for accommodating the root of the cabbage; The driving mechanism is arranged on the bracket and is positioned below the bottom plate; The rotary holding mechanism is used for flexibly holding and clamping the cabbages and comprises an active holding blade and an auxiliary holding blade which are oppositely arranged, wherein the active holding blade and the auxiliary holding blade are respectively arranged on the bottom plate through a first vertical shaft and a second vertical shaft and are respectively driven by the first vertical shaft and the second vertical shaft to rotate around the axis of the rotary holding mechanism; A cutter which is arranged on the bottom plate corresponding to the rotary holding mechanism and is connected with the driving mechanism for cutting the root of the clamped cabbage, and And the control mechanism is respectively connected with the driving mechanism and the rotary holding mechanism, so as to control the driving mechanism to drive the cutting knife to be matched with the rotary holding mechanism to finish secondary cutting of the root of the Chinese cabbage. The secondary cutting device for the root of the Chinese cabbage comprises a controller, a data acquisition module, a rotary clamping rotating speed sensor, a cutter rotating speed sensor and an electromagnetic clutch, wherein the data acquisition module is respectively connected with the controller, the rotary clamping rotating speed sensor and the cutter rotating speed sensor, the rotary clamping rotating speed sensor is arranged on the active clamping blade, the cutter rotating speed sensor is arranged on the cutter, and the electromagnetic clutch is arranged on the first vertical shaft and connected with the controller and used for rapidly and stably braking the active clamping blade. The secondary cutting device for the root of the Chinese cabbage comprises a control mechanism, a second vertical shaft and a second vertical shaft, wherein the control mechanism further comprises a rotary damper, and the rotary damper is arranged on the second vertical shaft and is used for adaptively adjusting the clamping angle and the clamping moment according to the size of the Chinese cabbage. The secondary cutting device for the root of the Chinese cabbage comprises a control mechanism, a clamping conveying sensor, a controller and a rotating shaft, wherein the control mechanism further comprises a clamping conveying sensor which is arranged on a rotating shaft of a clamping conveying device of a Chinese cabbage harvester and connected with the controller and is used for detecting the rotating speed and the direction of the clamping conveying device in real time. The secondary cutting device for the root of the C