Three-stage self-positioning lateral-cut-root Chinese cabbage harvester

By combining a lifting and conveying device, a positioning and conveying device, and a self-weight root-cutting device, the problems of clamping damage and root-cutting deviation in existing cabbage harvesters are solved, achieving fast, damage-free cabbage harvesting and efficient root cutting.

CN120787626BActive Publication Date: 2026-01-02WEIFANG UNIVERSITY
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202511270743.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-08
Publication Date
2026-01-02
Estimated Expiration
2045-09-08

AI Technical Summary

Technical Problem

Existing Chinese cabbage harvesters are prone to damaging the cabbage when clamping and cutting the roots, and the root cutting deviation is large, making them inconvenient to use.

Method used

The three-stage self-positioning side-cutting cabbage harvester includes a pulling and conveying device, a positioning and conveying device, and a self-weight cutting device. It uses the cabbage's own weight to cut the roots, and combines a flexible clamp and a rotatable cutting blade to automatically adjust the cabbage's position to reduce damage.

Benefits of technology

It enables rapid and damage-free cabbage harvesting, improves root cutting efficiency, and reduces manual intervention.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120787626B_ABST
    Figure CN120787626B_ABST
Patent Text Reader

Abstract

The present application relates to Chinese cabbage harvester technical field, especially to a kind of three-stage self-positioning side-cutting root Chinese cabbage harvester, including support frame, mobile chassis and operation bin are equipped on support frame, the side of support frame is equipped with in order pull-out conveying device, positioning conveying device and self-weight root cutting device, positioning conveying device includes first conveying belt, first conveying belt is equipped with support plate connected to support frame in, support plate is equipped with mounting column, mounting column is rotatably connected with rotating shaft, rotating shaft is equipped with several rotating pieces along circumference, self-weight root cutting device includes the second conveying belt of inclination, the second conveying belt is equipped with mounting plate connected to support frame in, mounting plate is equipped with baffle and cutting knife. By this, the present application can quickly harvest Chinese cabbage, avoid damage to Chinese cabbage, and automatically adjust the position of Chinese cabbage during Chinese cabbage conveying, cut root using the self-weight of Chinese cabbage, improve root cutting efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of Chinese cabbage harvesting machines, in particular to a three-stage self-positioning side-root-cutting Chinese cabbage harvesting machine. BACKGROUND

[0002] Chinese cabbage is a common Chinese cabbage. Due to the morphological characteristics and planting characteristics of Chinese cabbage, it is difficult to harvest. Generally, workers harvest each Chinese cabbage one by one, which is labor-intensive. With the development of technology, agricultural machinery capable of automatically harvesting Chinese cabbage has appeared.

[0003] At present, the existing Chinese cabbage harvesting machine, such as the patent with publication number CN118947345A, discloses a side-hanging type Chinese cabbage harvesting machine, which comprises a rack assembly, a righting guide device, a root clamping device, a pulling mechanism assembly, a lifting conveying device, a root cutting device and a control module. The righting guide device, the root clamping device, the pulling mechanism assembly, the lifting conveying device, the root cutting device and the control module are respectively installed on the rack assembly. The righting guide device is located at the front end of the root clamping device, and the root cutting device is located at the rear end of the root clamping device. The pulling mechanism assembly is located at the front end of the lifting conveying device, and the lifting conveying device is located above the root clamping device. The righting guide device is used to right the Chinese cabbage. The pulling mechanism assembly cooperates with the lifting conveying device to pull the Chinese cabbage. The lifting conveying device and the root clamping device are used to double-clamp the Chinese cabbage. The root cutting device is used to complete the root cutting. The control module is connected with the pulling mechanism assembly, the lifting conveying device and the root cutting device. The device uses a Y-shaped pulling device to cooperate with a conveying belt to realize the pulling of the Chinese cabbage, which can better adapt to the shape of the Chinese cabbage, reduce damage caused by clamping, and obtain greater pulling force. However, when the above-mentioned device clamps the Chinese cabbage, the clamping effect is poor, and when the Chinese cabbage is cut, if the Chinese cabbage is severely inclined, the root cutting deviation is easy to occur, which is inconvenient to use.

[0004] How to quickly harvest Chinese cabbage without causing damage to the Chinese cabbage, and automatically adjust the position of the Chinese cabbage during the conveying process, cut the roots of the Chinese cabbage using the self-weight of the Chinese cabbage, and improve the root cutting efficiency, has become a technical problem that needs to be solved.

[0005] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. SUMMARY

[0006] In view of the above-mentioned defects, the purpose of the present application is to provide a three-stage self-positioning side-root-cutting Chinese cabbage harvesting machine, which can quickly harvest Chinese cabbage without causing damage to the Chinese cabbage, and automatically adjust the position of the Chinese cabbage during the conveying process, cut the roots of the Chinese cabbage using the self-weight of the Chinese cabbage, and improve the root cutting efficiency.

[0007] In order to achieve the above object, the present application provides a three-stage self-positioning lateral root-cutting Chinese cabbage harvester, comprising a support frame, a mobile chassis and an operation cabin are arranged on the support frame, a pulling and conveying device for harvesting Chinese cabbage, a positioning conveying device for adjusting the state of the harvested Chinese cabbage and a self-weight root-cutting device for cutting the roots of the harvested Chinese cabbage are arranged on one side of the support frame in sequence.

[0008] The positioning conveying device comprises a first conveying belt, a support plate connected to the support frame is arranged in the first conveying belt, a mounting column is arranged on the support plate, a rotatable rotating shaft is rotatably connected to the mounting column, and a plurality of rotating pieces for pushing the Chinese cabbage are arranged on the rotating shaft in a circumferential direction.

[0009] The self-weight root-cutting device comprises an inclined second conveying belt, an installation plate connected to the support frame is arranged in the second conveying belt, a baffle for limiting the position of the Chinese cabbage is arranged on the side of the installation plate close to the first conveying belt, and a rotatable cutting knife for cutting the roots of the Chinese cabbage is arranged on the side of the installation plate away from the first conveying belt.

[0010] According to the three-stage self-positioning lateral root-cutting Chinese cabbage harvester, the pulling and conveying device comprises flexible conveying assemblies symmetrically mounted on the support frame, each of the flexible conveying assemblies comprises a connecting frame, the connecting frame comprises a bottom plate and a support column, rotatable transmission rollers are symmetrically arranged on the bottom plate, and an installation belt is arranged between the two transmission rollers of each flexible conveying assembly.

[0011] According to the three-stage self-positioning lateral root-cutting Chinese cabbage harvester, the outside of the installation belt is covered with a flexible layer, the flexible layer is curved in a wave shape to fit the installation belt, and a plurality of flexible clamping heads are formed on the surface of the installation belt.

[0012] According to the three-stage self-positioning lateral root-cutting Chinese cabbage harvester, a positioning rod is arranged between the support columns of the two flexible conveying assemblies.

[0013] According to the three-stage self-positioning lateral root-cutting Chinese cabbage harvester, the flexible conveying assemblies are arranged in an inclined manner, the bottom ends of the flexible conveying assemblies close to the ground are located on the side close to the Chinese cabbage.

[0014] According to the three-stage self-positioning lateral root-cutting Chinese cabbage harvester, the flexible layer is a rubber pad.

[0015] According to the three-stage self-positioning lateral root-cutting Chinese cabbage harvester, the outside of the first conveying belt is covered with a wave belt.

[0016] According to the three-stage self-positioning lateral root-cutting Chinese cabbage harvester, a seat is arranged in the operation cabin, and a plurality of observation windows are arranged on the operation cabin.

[0017] The tertiary self-positioning side-cutting root Chinese cabbage harvester according to the present application is provided with a control console in the operation cabin, and a controller in the control console is electrically connected with the electric equipment.

[0018] The present application aims to provide a tertiary self-positioning side-cutting root Chinese cabbage harvester, which comprises a pulling and conveying device, a positioning conveying device and a self-weight root cutting device, can automatically adjust the position of the Chinese cabbage during the conveying process, save labor, can adjust the bending degree of the flexible layer according to the size and shape of the Chinese cabbage, adjust the size of the flexible chuck, thereby adapt to the clamping force and angle of the Chinese cabbage, avoid damage to the Chinese cabbage, and can centrally control all the above-mentioned electric equipment by providing a control console in the operation cabin and electrically connecting the controller in the control console with all the electric equipment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 The figure is a structural diagram of the present application.

[0020] Fig. 2 The figure is a structural diagram of the pulling and conveying device.

[0021] Fig. 3 The figure is a structural diagram of the positioning conveying device.

[0022] Fig. 4 The figure is a structural diagram of the self-weight root cutting device.

[0023] In the figure: 1 - operation cabin, 11 - seat, 12 - control console, 13 - observation window, 2 - support frame, 21 - mobile chassis, 3 - pulling and conveying device, 31 - installation belt, 311 - flexible chuck, 32 - transmission roller, 321 - driving piece, 33 - connecting frame, 331 - positioning rod, 4 - positioning conveying device, 41 - first conveying belt, 411 - support plate, 42 - wave belt, 43 - installation column, 431 - rotating piece, 5 - self-weight root cutting device, 51 - second conveying belt, 511 - installation plate, 52 - cutting knife, 53 - baffle. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0025] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be connected between two elements, and for those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Referring to Figs. 1-4 , the present application provides a three-stage self-positioning side-cutting root Chinese cabbage harvester, comprising a support frame 2, one end of the support frame 2 close to the ground is connected with a mobile chassis 21, the mobile chassis 21 can lift the support frame 2 by a certain distance, the mobile chassis 21 can drive the support frame 2 to move, the side of the support frame 2 away from the mobile chassis 21 is connected with an operation cabin 1, the operation cabin 1 is a hollow box, one side of the support frame 2 is provided with a pulling and conveying device 3 for harvesting Chinese cabbage, a positioning conveying device 4 for adjusting the state of the harvested Chinese cabbage, and a self-weight root cutting device 5 for cutting the roots of the harvested Chinese cabbage, which are arranged in sequence, and the pulling and conveying device 3, the positioning conveying device 4 and the self-weight root cutting device 5 are all mounted on the support frame 2.

[0028] Referring to Figs. 1-4 , preferably, the mobile chassis 21 is a tracked power chassis, the height of the tracked power chassis is appropriate, can cross common obstacles such as small mounds and shallow ditches without damaging the Chinese cabbage, and the width of the tracked power chassis can be determined according to the planting row spacing of the Chinese cabbage to ensure good passability and provide stable and sufficient power to realize smooth and efficient autonomous movement.

[0029] Referring to Figs. 1-4 , preferably, the operation cabin 1 is provided with a seat 11 capable of accommodating an operator, and a plurality of observation windows 13 are arranged on the operation cabin 1, so that the operator can observe the outside environment through the observation windows 13.

[0030] Referring to Figs. 1-4, the pulling and conveying device 3 comprises flexible conveying assemblies symmetrically mounted on the support frame 2, the flexible conveying assemblies are all arranged in an inclined manner, the bottom end of the flexible conveying assemblies close to the ground is just located at the side close to the Chinese cabbage, the flexible conveying assemblies all comprise a connecting frame 33, the connecting frame 33 comprises a bottom plate (not shown in the figure) and a support column, the rotatable transmission rollers 32 (the transmission rollers 32 are all rotatably mounted on the support frame 2) are symmetrically arranged on the bottom plate, the mounting belt 31 is arranged between the two transmission rollers 32 of each flexible conveying assembly, the outer part of the mounting belt 31 is covered with a flexible layer, the flexible layer is curved in a wave shape and is attached to the mounting belt 31, a plurality of flexible clamping heads 311 protruding on the surface of the mounting belt 31 are formed (in use, the curvature of the flexible layer can be adjusted according to the size and shape of the Chinese cabbage, so as to adjust the size of the flexible clamping heads 311 protruding, so as to adapt to the adjustment of the clamping force and angle of the Chinese cabbage), the support columns of the two flexible conveying assemblies are provided with a positioning rod 331, the positioning rod 331 is connected between the two connecting frames 33 and limits the distance between the two flexible conveying assemblies, and the positioning rod 331 with different lengths can be selected according to actual conditions.

[0031] Referring to Figs. 1-3 , specifically, one of the transmission rollers 32 of each flexible conveying assembly is connected with the output shaft of the driving member 321, the driving member 321 is mounted on the support frame 2 through a connecting vertical rod, the driving member 321 can drive the transmission roller 32 to rotate, if the power is insufficient when the Chinese cabbage is clamped, the two transmission rollers 32 of each flexible conveying assembly can be connected with the driving member 321, and the rotation speeds of the two driving members 321 of each flexible conveying assembly are controlled to be the same.

[0032] Referring to Figs. 1-4 , preferably, the flexible layer is a rubber pad, which is soft and has a certain friction, and can stably clamp the Chinese cabbage without damaging it.

[0033] Referring to Figs. 1-4 , the positioning and conveying device 4 comprises a first conveying belt 41 mounted on the support frame 2, the first conveying belt 41 is provided with a support plate 411 connected to the support frame 2, the support plate 411 is provided with a mounting column 43, the mounting column 43 is rotatably connected with a rotatable rotating shaft (a motor is arranged on the mounting column 43, the output end of the motor is connected with the rotating shaft, and the motor can drive the rotating shaft to rotate), a plurality of rotating pieces 431 are arranged on the rotating shaft in a circumferential direction, and the rotating pieces 431 can rotate with the rotating shaft; the Chinese cabbage harvested by the pulling and conveying device 3 is conveyed to the first conveying belt 41, and the rotating pieces 431 push the Chinese cabbage, so that the Chinese cabbage is poured on the first conveying belt 41, and the Chinese cabbage with adjusted position can be conveniently cut by the self-weight root cutting device 5.

[0034] Referring to Figs. 1-4Preferably, the first conveying belt 41 is covered with a wavy belt 42, which can match the cylindrical outer contour of the Chinese cabbage, so that the Chinese cabbage can be floated up and down in the wavy grooves of the wavy belt 42 according to the size.

[0035] Referring to Figs. 1-4 The self-weight root cutting device 5 comprises a second conveying belt 51 which is arranged obliquely and is installed on the support frame 2, the second conveying belt 51 is provided with a mounting plate 511 which is connected to the support frame 2, the mounting plate 511 is provided with a baffle 53 for limiting the position of the Chinese cabbage on the side close to the first conveying belt 41, and the mounting plate 511 is provided with a rotatable cutting knife 52 for cutting the roots of the Chinese cabbage on the side away from the first conveying belt 41; the Chinese cabbage conveyed by the first conveying belt 41 falls on the second conveying belt 51, and the Chinese cabbage will stand obliquely on the second conveying belt 51 due to the oblique arrangement of the second conveying belt 51, and the roots of the Chinese cabbage are all directed to the cutting knife 52, with the conveying of the second conveying belt 51, the baffle 53 limits the position of the Chinese cabbage, so as to avoid the Chinese cabbage from falling off the second conveying belt 51 (since the Chinese cabbage has a certain self-weight, the Chinese cabbage will not fall down during the transportation on the second conveying belt 51), when the Chinese cabbage is conveyed to the cutting knife 52, the cutting knife 52 cuts the roots of the Chinese cabbage, and the Chinese cabbage after the root cutting naturally falls off the second conveying belt 51.

[0036] Referring to Figs. 1-4 Specifically, the mounting plate 511 is provided with a motor, and the output shaft of the motor is connected to the cutting knife 52, so that the motor can drive the cutting knife 52 to rotate.

[0037] Referring to Figs. 1-3 Specifically, the structures of the first conveying belt 41 and the second conveying belt 51 are the same as those of the prior art, both of which comprise a motor, conveying rollers and a covering belt between the two conveying rollers, the motor drives the conveying rollers to rotate, so that the Chinese cabbage can be transported on the covering belt, in actual installation, the mounting block through which the first conveying belt 41 passes can be connected on the support frame 2, the motor of the first conveying belt 41 is installed on the mounting block, and the motor of the second conveying belt 51 is installed on the support frame 2, which is a routine means for those skilled in the art, and will not be described here.

[0038] Referring to Figs. 1-3 Preferably, the driving member 321 and the above-mentioned motor are both rotary motors, which provide power for the device.

[0039] Referring to Figs. 1-4The operation bin 1 is provided with a control console 12, and a controller in the control console 12 is electrically connected with all electric equipment (i.e. the driving member 321 and all motors mentioned above), so that the electric equipment can be controlled centrally, which is mature prior art in the field, and the specific structure and working principle will not be repeated here.

[0040] Referring to Figs. 1-3 In use, the mobile chassis 21 is opened, the pulling and conveying device 3, the positioning conveying device 4 and the self-weight root cutting device 5 are moved to the harvesting position by the mobile chassis 21, the flexible conveying assembly is opened, and the Chinese cabbage is clamped and conveyed to the side close to the positioning conveying device 4, the Chinese cabbage harvested by the pulling and conveying device 3 is conveyed to the first conveying belt 41, and the Chinese cabbage is tilted on the first conveying belt 41 by the rotating piece 431, the Chinese cabbage conveyed by the first conveying belt 41 falls on the second conveying belt 51, and the Chinese cabbage stands on the second conveying belt 51 obliquely, when the Chinese cabbage is conveyed to the cutting knife 52, the root of the Chinese cabbage is cut off by the cutting knife 52, and the Chinese cabbage naturally separates from the second conveying belt 51 after the root cutting is completed.

[0041] The application provides a three-stage self-positioning side root cutting Chinese cabbage harvester, which comprises a pulling and conveying device, a positioning conveying device and a self-weight root cutting device, the position of the Chinese cabbage is automatically adjusted during conveying of the Chinese cabbage, and labor is saved; the bending degree of the flexible layer can be adjusted according to the size and shape of the Chinese cabbage, so that the size of the flexible chuck is adjusted, the clamping force and angle are adjusted, the Chinese cabbage is prevented from being damaged, a control console is arranged in an operation bin, a controller in the control console is electrically connected with all electric equipment, and the electric equipment can be controlled centrally, the positioning conveying device and the self-weight root cutting device are matched with each other, the Chinese cabbage is cut by the self-weight of the Chinese cabbage, and the root cutting efficiency is improved.

[0042] Of course, the application also has other various embodiments, and those skilled in the field can make various corresponding changes and modifications according to the application without departing from the spirit and essence of the application, but these corresponding changes and modifications should belong to the protection scope of the claims attached to the application.

Claims

1. A three-stage self-positioning side-cutting root harvester for Chinese cabbage, characterized in that, The device includes a support frame, on which a movable chassis and an operating compartment are mounted. On one side of the support frame are arranged sequentially a pulling and conveying device for harvesting cabbage, a positioning and conveying device for adjusting the state of the harvested cabbage, and a self-weight root-cutting device for cutting the roots of the harvested cabbage. The positioning and conveying device includes a first conveyor belt, through which a support plate connected to a support frame is threaded. A mounting column is provided on the support plate, and a rotatable rotating shaft is rotatably connected to the mounting column. Several rotating blades for agitating the cabbage are arranged circumferentially on the rotating shaft. The self-weight root-cutting device includes an inclined second conveyor belt, through which a mounting plate connected to the support frame is threaded. A baffle for limiting the position of the cabbage is provided on the side of the mounting plate closest to the first conveyor belt, and a rotatable cutting blade for cutting the cabbage root is provided on the side of the mounting plate furthest from the first conveyor belt. The drawing and conveying device includes flexible conveying components symmetrically mounted on a support frame. Each flexible conveying component includes a connecting frame, and each connecting frame includes a base plate and a support column. Rotatable transmission rollers are symmetrically arranged on the base plate. An installation belt is provided between the two transmission rollers of each flexible conveying component. The installation belt is covered with a flexible layer. The flexible layer is wavy and bends to fit the installation belt, forming several protruding flexible clamps on the surface of the installation belt. The first conveyor belt is covered with a corrugated belt.

2. The three-stage self-positioning side-cutting root cabbage harvester according to claim 1, characterized in that, A positioning rod is provided between the supports of the two flexible conveying components.

3. The three-stage self-positioning side-cutting root cabbage harvester according to claim 1, characterized in that, The flexible conveying components are all inclined, with the bottom end of the flexible conveying component near the ground located on the side closest to the cabbage.

4. The three-stage self-positioning side-cutting root cabbage harvester according to claim 1, characterized in that, The flexible layer is a rubber pad.

5. The three-stage self-positioning side-cutting root cabbage harvester according to claim 1, characterized in that, The operating cabin is equipped with a seat and several observation windows.

6. The three-stage self-positioning side-cutting root cabbage harvester according to claim 1, characterized in that, The operating compartment is equipped with a control console, and the controller in the control console is electrically connected to the electrical equipment.

Citation Information

Patent Citations

  • Side suspension type Chinese cabbage harvester and control method thereof

    CN118947345A

  • Head vegetable harvester

    CN205082244U

  • Cabbage harvester

    RU2769128C1