A harvester and its vibratory harvesting device

By designing a vibratory harvesting device, which utilizes the vibration of the main drive mechanism and the impact mechanism to harvest fruits, the problem of damage to branches, leaves and fruits caused by harvesting devices in the dwarf dense planting mode of fruit trees is solved, achieving efficient and low-damage fruit harvesting, and improving harvesting efficiency and economic benefits.

CN115581150BActive Publication Date: 2025-12-02CHINESE ACAD OF AGRI MECHANIZATION SCI GRP CO LTD
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Patent Information

Application Number
CN202211357630.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-01
Publication Date
2025-12-02
Estimated Expiration
2042-11-01

AI Technical Summary

Technical Problem

Existing harvesting equipment is prone to causing mechanical damage to branches, leaves and fruits in dwarf dense fruit tree planting mode, resulting in low harvesting efficiency and high labor demand.

Method used

Design a vibratory harvesting device, including a main transmission mechanism, a pull rod, a rotating arm sleeve, a vibrating rod, and an impact mechanism. Harvest fruits by vibration to reduce damage to branches, and use hydraulic drive to improve power and efficiency.

Benefits of technology

This method enables low-damage, high-efficiency fruit harvesting under a dwarf, dense fruit tree planting model, reducing mechanical damage to branches, improving harvesting efficiency and economic benefits, and lowering labor costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

A harvester and its vibratory harvesting device are disclosed. The harvester includes a vibratory harvesting device comprising: a main transmission mechanism mounted on the frame of the harvester; pull rods symmetrically arranged at both ends of the main transmission mechanism, the top ends of the pull rods being connected to both ends of the main transmission mechanism, and the bottom ends of the pull rods being respectively provided with first bent rod joint bearings; a rotating arm sleeve including a transition sleeve and a first transition arm and a second transition arm disposed at both ends of the transition sleeve, the first transition arm and the second transition arm having a fixed included angle, the first transition arm being connected to the first bent rod joint bearing; a vibratory rod, one end of which is connected to the second transition arm; and a vibration mechanism including an impact seat, a guide mechanism, and an impact mechanism, the impact seat being mounted on the frame; the impact mechanism being connected to the impact seat through the guide mechanism, and the other end of the vibratory rod being connected to the impact mechanism.
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Description

Technical Field

[0001] This invention relates to agricultural machinery technology, and in particular to a harvester and its vibratory harvesting device. Background Technology

[0002] The widespread adoption of dwarf-dense planting for fruit trees, with its denser row spacing compared to other planting methods, significantly increases yield and economic benefits. This dwarf-dense planting model is an effective way to improve orchard coverage, increase yield, and boost profits. Cash crops such as jujubes, plums, and walnuts are increasingly adopting this model to enhance production and efficiency. Existing harvesting devices mostly rely on vibrating components to strike branches and collect fallen fruit, which can easily cause mechanical damage to branches, leaves, and fruit during the process. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a harvester and its vibratory harvesting device in response to the above-mentioned defects of the prior art.

[0004] To achieve the above objectives, the present invention provides a vibratory harvesting device, comprising:

[0005] The main drive mechanism is mounted on the frame of the harvester;

[0006] The tie rods are symmetrically arranged at both ends of the main transmission mechanism. The top ends of the tie rods are respectively connected to both ends of the main transmission mechanism, and the bottom ends of the tie rods are respectively provided with first bent rod joint bearings.

[0007] The rotating arm bushing includes a transition sleeve and a first transition arm and a second transition arm disposed at both ends of the transition sleeve. The first transition arm and the second transition arm have a fixed included angle. The first transition arm is connected to the first bent rod joint bearing.

[0008] The vibrating rod, one end of which is connected to the second adapter arm; and

[0009] The vibration mechanism includes an impact seat, a guide mechanism, and an impact mechanism. The impact seat is mounted on the frame. The impact mechanism is connected to the impact seat through the guide mechanism, and the other end of the vibration rod is connected to the impact mechanism.

[0010] In the aforementioned vibratory harvesting device, the impact mechanism includes:

[0011] An impact frame, connected to the guide mechanism; swing arms are respectively provided at both ends of the impact frame; and

[0012] The impact plate is connected to the swing arm at both ends via a swing frame, and the middle part of the impact plate is connected to the other end of the vibration rod.

[0013] In the aforementioned vibratory harvesting device, a limit spring is also provided at the connection between the impact frame and the swing arm. The impact frame and the swing arm are connected by a pin, and the impact frame and the limit spring are connected by bolts.

[0014] The aforementioned vibratory harvesting device further includes a branch puller, which is located near the front of the harvester and connected to the swing arm.

[0015] In the aforementioned vibratory harvesting device, the guiding mechanism includes:

[0016] The bracket is connected at one end to the impact seat;

[0017] The guide sleeve is connected at one end to the other end of the bracket, and the other end of the guide sleeve is connected to the impact frame.

[0018] In the aforementioned vibratory harvesting device, the main transmission mechanism includes:

[0019] A fixing plate is installed on the frame;

[0020] The drive mechanism is mounted on the fixed plate;

[0021] A drive shaft is connected to the drive mechanism via a chain drive. Both ends of the drive shaft are eccentrically connected to bearing seats. The top ends of the pull rods are respectively connected to the bearing seats.

[0022] A ball bearing is connected to the frame and used to fix the drive shaft.

[0023] In the aforementioned vibratory harvesting device, the rotating arm sleeve further includes a pin, which is connected to the adapter sleeve and the frame respectively.

[0024] In the aforementioned vibratory harvesting device, the first adapter arm and the second adapter arm are respectively welded to both ends of the adapter sleeve, and the fixed included angle between the first adapter arm and the second adapter arm is 90°.

[0025] In the aforementioned vibratory harvesting device, the vibratory rod comprises:

[0026] An impact elastic sleeve is connected to the impact plate;

[0027] The adjusting rod is connected to the impact elastic sleeve via an impact pin.

[0028] One end of the connecting rod is threaded to the adjusting rod, and the connection length is adjusted by the thread; the other end of the connecting rod is connected to one end of the second bent rod joint bearing, and the other end of the second bent rod joint bearing is connected to the second adapter arm.

[0029] To better achieve the above objectives, the present invention also provides a harvester including the above-described vibratory harvesting device.

[0030] The technical advantages of this invention are as follows:

[0031] This invention can be used for harvesting dwarf and densely planted crops such as jujubes and plums. During the harvesting process, the fruit is harvested by clamping the main trunk and branches and relying on vibration. The vibration amplitude is small and the frequency is high, which reduces damage to the branches during the harvesting process. The structure is simple and reasonable, and the operation is convenient. It is hydraulically driven, powerful, practical, and efficient. It can realize fully mechanized harvesting, improve harvesting efficiency, reduce labor, lower labor costs, and achieve high economic benefits.

[0032] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of a vibration harvesting device according to an embodiment of the present invention;

[0034] Figure 2 This is a schematic diagram of the main transmission mechanism according to an embodiment of the present invention;

[0035] Figure 3 This is a schematic diagram of the connection portion of the drive shaft according to an embodiment of the present invention;

[0036] Figure 4 This is a front view of a pull rod according to an embodiment of the present invention;

[0037] Figure 5 This is a schematic diagram of a rotating arm sleeve structure according to an embodiment of the present invention;

[0038] Figure 6 This is a schematic diagram of a vibration rod structure according to an embodiment of the present invention;

[0039] Figure 7 This is a schematic diagram of a vibration mechanism according to an embodiment of the present invention.

[0040] Among them, the attached reference numerals

[0041] 1. Main drive mechanism

[0042] 11 bearing housing

[0043] 12 drive shafts

[0044] 121 Connecting part

[0045] 13 ball bearings

[0046] 14 First Sprocket

[0047] 15 fixed plates

[0048] 16 drive mechanisms

[0049] 17 chains

[0050] 18 Second Sprocket

[0051] 2 pull rods

[0052] 21-link

[0053] 22 First bend joint bearing

[0054] 3 Vibration rods

[0055] 31 Impact Elastic Sleeve

[0056] 32 Impact Pin

[0057] 33 Adjustment rod

[0058] 34 connecting rods

[0059] 35 Second Bend Joint Bearing

[0060] 4 Rotating arm bushing

[0061] 41 First Adapter Arm

[0062] 42 adapter sleeve

[0063] 43 pins

[0064] 44 Second Adapter Arm

[0065] 5. Vibration Mechanism

[0066] 51 Impact Seat

[0067] 52 stents

[0068] 53 guide sleeve

[0069] 54 impact frame

[0070] 55 swing arm

[0071] 56 display stands

[0072] 57 impact plate

[0073] 58 Limit Spring

[0074] 6 branch pullers Detailed Implementation

[0075] The structural and working principles of the present invention will be described in detail below with reference to the accompanying drawings:

[0076] The present invention relates to a harvester and its vibratory harvesting device. The harvester includes the vibratory harvesting device, which is mounted on the frame of the harvester. Since the composition, structure, relative position, connection relationship and function of other parts of the harvester can all adopt relatively mature existing technologies, they will not be described in detail here. The vibratory harvesting device of the present invention will be described in detail below.

[0077] See Figure 1 , Figure 1 This is a schematic diagram of a vibratory harvesting device according to an embodiment of the present invention. The vibratory harvesting device of the present invention includes: a main transmission mechanism 1, mounted on the frame of a harvester; pull rods 2, symmetrically arranged at both ends of the main transmission mechanism 1, with the top ends of the pull rods 2 connected to both ends of the main transmission mechanism 1, and the bottom ends of the pull rods 2 respectively provided with first bent rod joint bearings 22; a rotating arm sleeve 4, including a transition sleeve 42 and a first transition arm 41 and a second transition arm 44 disposed at both ends of the transition sleeve 42, the first transition arm 41 and the second transition arm 44 having a fixed included angle, and the first transition arm 41 connected to the first bent rod joint bearing 22; a vibratory rod 3, one end connected to the second transition arm 44; and a vibration mechanism 5, including an impact seat 51, a guide mechanism, and an impact mechanism, the impact seat 51 being bolted to the frame; the impact mechanism being connected to the impact seat 51 through the guide mechanism, and the other end of the vibratory rod 3 being connected to the impact mechanism.

[0078] See Figure 2 and Figure 3 , Figure 2 This is a schematic diagram of the main transmission mechanism 1 according to an embodiment of the present invention. Figure 3 This is a schematic diagram showing the connection between the drive shaft 12 and the bearing seat 11 according to an embodiment of the present invention. The main transmission mechanism 1 of this embodiment includes: a fixed plate 15, mounted on the frame; a drive mechanism 16, mounted on the fixed plate 15, preferably a motor, providing power for harvesting, connecting a first sprocket 14 and a second sprocket 18 via a chain 17 and driving the drive shaft 12 to rotate, the motor being bolted to the fixed plate 15, and the fixed plate 15 being welded to the frame; the drive shaft 12, connected to the drive mechanism 16 via chain drive, with both ends of the drive shaft 12 eccentrically connected to the bearing seat 11 via a connecting part 121 (e.g., ...). Figure 3 As shown, the top end of the pull rod 2 is connected to the bearing seat 11; and the ball bearing 13 is connected to the frame by bolts and used to fix the drive shaft 12.

[0079] See Figure 4 , Figure 4This is a front view of a pull rod 2 according to an embodiment of the present invention. The two ends of the drive shaft 12 are respectively connected to the upper ends of the pull rod 2 via bearing seats 11. The two pull rods 2 are symmetrical. Each pull rod 2 includes a connecting rod 21 and a first curved rod joint bearing 22. The upper end of the connecting rod 21 is connected to the bearing seat 11 by bolts. The lower end of the connecting rod 21 is connected to the first curved rod joint bearing 22. The first curved rod joint bearing 22 is connected to the first adapter arm 41 by bolts and is fixed by bolts.

[0080] See Figure 5 , Figure 5 This is a schematic diagram of the rotating arm sleeve 4 according to an embodiment of the present invention. The rotating arm sleeve 4 also includes a pin 43, which is connected to the adapter sleeve 42 and the frame respectively by bolts. The first adapter arm 41 and the second adapter arm 44 are respectively welded to both ends of the adapter sleeve 42, and the fixed included angle between the first adapter arm 41 and the second adapter arm 44 is 90°.

[0081] See Figure 6 , Figure 6 This is a schematic diagram of the structure of a vibration rod 3 according to an embodiment of the present invention. The vibration rod 3 includes: an impact elastic sleeve 31 connected to the impact plate 57; an adjusting rod 33 connected to the impact elastic sleeve 31 via an impact pin 32, the impact pin 32 and the adjusting rod 33 being bolted together; a connecting rod 34, one end of which is threadedly connected to the adjusting rod 33, and the connection length is adjusted by the thread, the external thread of the adjusting rod 33 and the internal thread of the connecting rod 34 being threaded together and fixed by a nut, thereby adjusting the length of the vibration rod 3; the other end of the connecting rod 34 is bolted to one end of a second bent rod joint bearing 35, and the other end of the second bent rod joint bearing 35 is bolted to a second adapter arm 44.

[0082] See Figure 7 , Figure 7This is a schematic diagram of the vibration mechanism 5 according to an embodiment of the present invention. The impact mechanism of this embodiment includes: an impact frame 54 connected to the guide mechanism; swing arms 55 are respectively provided at both ends of the impact frame 54; and an impact plate 57, both ends of which are connected to the swing arms 55 via swing frames 56. The two swing arms 55 at both ends of the impact frame 54 are respectively connected to the corresponding swing frames 56 via pins; the two ends of the impact plate 57 are respectively connected to the corresponding swing frames 56 via bolts; the middle part of the impact plate 57 is connected to the other end of the vibration rod 3. Limiting springs 58 are also provided at the connection points between the impact frame 54 and the swing arms 55. The impact frame 54 and the swing arms 55 are connected via pins, and the impact frame 54 and the limiting springs 58 are connected via bolts. The guide mechanism includes: a bracket 52, one end of which is connected to the impact seat 51 via bolts; and a guide sleeve 53, one end of which is connected to the other end of the bracket 52 via bolts, and the other end of the guide sleeve 53 is connected to the impact frame 54 via bolts.

[0083] This embodiment also includes a branch puller 6, which is located near the front of the harvester and connected to the swing arm 55. The preferred fixing method is welding.

[0084] This invention is applicable to the harvesting of dwarf and densely planted crops such as jujubes and plums. During the harvesting process, the fruit can be harvested by clamping the main trunk, branches and other parts and relying on vibration. The clamping mechanism is made of elastic material, which can effectively reduce mechanical damage to the main trunk of the crop. It has a simple structure and high operating efficiency.

[0085] Of course, the present invention may have other various embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these corresponding changes and modifications should all fall within the protection scope of the appended claims.

Claims

1. A vibratory harvesting device, characterized in that, include: The main drive mechanism is mounted on the frame of the harvester; The tie rods are symmetrically arranged at both ends of the main transmission mechanism. The top ends of the tie rods are respectively connected to both ends of the main transmission mechanism, and the bottom ends of the tie rods are respectively provided with first bent rod joint bearings. The rotating arm bushing includes a transition sleeve and a first transition arm and a second transition arm disposed at both ends of the transition sleeve. The first transition arm and the second transition arm have a fixed included angle. The first transition arm is connected to the first bent rod joint bearing. The vibrating rod, one end of which is connected to the second adapter arm; and A vibration mechanism includes an impact seat, a guide mechanism, and an impact mechanism. The impact seat is mounted on the frame. The impact mechanism is connected to the impact seat via the guide mechanism, and the other end of the vibration rod is connected to the impact mechanism. The impact mechanism includes: An impact frame, connected to the guide mechanism; swing arms are respectively provided at both ends of the impact frame; and The impact plate is connected to the swing arm at both ends via a swing frame, and the middle part of the impact plate is connected to the other end of the vibration rod.

2. The vibratory harvesting device as described in claim 1, characterized in that, A limit spring is also provided at the connection between the impact frame and the swing arm. The impact frame and the swing arm are connected by a pin, and the impact frame and the limit spring are connected by bolts.

3. The vibratory harvesting device as described in claim 1 or 2, characterized in that, It also includes a branch puller, which is located near the front of the harvester and connected to the swing arm.

4. The vibratory harvesting device as described in claim 1 or 2, characterized in that, The guiding mechanism includes: The bracket is connected at one end to the impact seat; The guide sleeve is connected at one end to the other end of the bracket, and the other end of the guide sleeve is connected to the impact frame.

5. The vibratory harvesting device as described in claim 1 or 2, characterized in that, The main drive mechanism includes: A fixing plate is installed on the frame; The drive mechanism is mounted on the fixed plate; A drive shaft is connected to the drive mechanism via a chain drive. Both ends of the drive shaft are eccentrically connected to bearing seats. The top ends of the pull rods are respectively connected to the bearing seats. A ball bearing is connected to the frame and used to fix the drive shaft.

6. The vibratory harvesting device as described in claim 1 or 2, characterized in that, The rotating arm bushing also includes a pin, which is connected to the adapter sleeve and the frame respectively.

7. The vibratory harvesting device as described in claim 6, characterized in that, The first adapter arm and the second adapter arm are respectively welded to both ends of the adapter sleeve, and the fixed included angle between the first adapter arm and the second adapter arm is 90°.

8. The vibratory harvesting device as described in claim 1 or 2, characterized in that, The vibrating rod includes: An impact elastic sleeve is connected to the impact plate; The adjusting rod is connected to the impact elastic sleeve via an impact pin. One end of the connecting rod is threaded to the adjusting rod, and the connection length is adjusted by the thread; the other end of the connecting rod is connected to one end of the second bent rod joint bearing, and the other end of the second bent rod joint bearing is connected to the second adapter arm.

9. A harvester comprising the vibratory harvesting device according to any one of claims 1-8.

Citation Information

Patent Citations

  • Self-propelled vibrating forest fruit harvester and harvesting method for same

    CN104221606A

  • Man-machine interaction type wolfberry integrated mobile harvesting platform

    CN113906906A