A fruit harvester and agricultural machine

By designing a fruit harvester with a rotatable power shaft and a swing arm, the problems of complex structure and high cost of existing equipment have been solved, achieving a simple, practical and low-cost fruit harvesting effect.

CN224473737UActive Publication Date: 2026-07-10CHANGSHA SUNLIGHT AGRI MACHINERY FACILITIES

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGSHA SUNLIGHT AGRI MACHINERY FACILITIES
Filing Date
2024-09-26
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing fruit harvesters have complex structures and limited applications, resulting in low utilization rates and high production costs.

Method used

Design a fruit harvester that includes a rotatable power shaft and a swing arm. The swing arm is driven to swing by an eccentric disc and an adjustment device. It is fixed to a tractor and used to harvest fruit by shaking the tree trunk with a traction rope. The structure is simple and the cost is low.

Benefits of technology

This has resulted in a simple and practical fruit harvester, reducing production and operating costs and increasing utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a fruit harvester and agricultural machinery. The fruit harvester includes a frame with a rotatable power shaft and a swing arm that can tilt relative to the frame. One end of the power shaft is also equipped with an eccentric disc. When the power shaft rotates, it drives the eccentric disc to rotate. The fruit harvester also includes an adjustment device. One end of the adjustment device is movably connected to the swing arm, and the other end is connected to the eccentric disc. When the eccentric disc rotates, it drives the swing arm to tilt via the adjustment device. This fruit harvester can be fixed to agricultural machinery such as a tractor when needed. By attaching a traction rope, one end to the swing arm and the other end to the tree trunk, the swing arm continuously tilts, causing the tree trunk to sway, thereby completing the picking and harvesting of fruit. Compared with similar existing equipment, it has the advantages of simple and practical structure, low production and operating costs.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery, and in particular to a fruit harvester and agricultural machinery. Background Technology

[0002] In recent years, with the continuous development of economy and technology, agricultural machinery of various structures has been increasingly widely used in agricultural production activities.

[0003] Fruit harvesters, or fruit picking machines, are used to harvest or pick various ripe fruits. They come in many varieties and have different structures, such as shaking the tree trunk to shake the fruit off the tree. Currently, fruit harvesters generally have relatively complex structures and limited application scenarios, resulting in low utilization rates and consequently high production and operating costs.

[0004] In summary, how to provide a fruit harvester that is simple in structure, easy to use, and has low production and operating costs, as well as agricultural machinery including this harvester, has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a fruit harvester with a simple structure, convenient use, and low production and use costs, as well as agricultural machinery including this harvester.

[0006] The solution of this utility model is implemented as follows: This utility model proposes a fruit harvester, which includes a frame, a rotatable power shaft on the frame, and a swing arm that can swing relative to the frame. One end of the power shaft is also equipped with an eccentric disc. When the power shaft rotates, it drives the eccentric disc to rotate. The fruit harvester also includes an adjustment device. One end of the adjustment device is movably connected to the swing arm, and the other end is connected to the eccentric disc. When the eccentric disc rotates, it drives the swing arm to swing through the adjustment device. This fruit harvester can be used by fixing it to agricultural machinery such as a tractor. A traction rope is attached to the swing arm at one end and to the tree trunk at the other end. The swing arm continuously swings, causing the tree trunk to sway, thereby completing the picking and harvesting of fruit. Compared with similar existing equipment, it has the advantages of simple and practical structure, low production and operating costs, etc.

[0007] Another technical solution of this utility model is that, based on the above, the frame includes a first crossbeam and a second crossbeam disposed opposite to the first crossbeam, and multiple diagonal braces that serve as a connection are provided between the first crossbeam and the second crossbeam.

[0008] Another technical solution of this utility model is that, based on the above, the power shaft is rotatably mounted on the first crossbeam, and the swing arm is swingably mounted on the second crossbeam.

[0009] Another technical solution of this utility model is that, based on the above, a bearing seat is also provided on the first crossbeam, a bearing is sleeved on the power shaft, and the bearing is placed inside the bearing seat.

[0010] Another technical solution of this utility model is that, based on the above, the power shaft includes a spline shaft and a key shaft disposed at one end of the spline shaft, wherein the axis of the spline shaft coincides with the axis of the key shaft.

[0011] Another technical solution of this utility model is that, based on the above, the eccentric disk includes a turntable, and the turntable is provided with an eccentric shaft. When the turntable rotates, it drives the eccentric shaft to rotate.

[0012] Another technical solution of this utility model is that, based on the above, the eccentric arm includes a ball-head arm and an actuating arm arranged at an angle, and one end of the ball-head arm is fixedly connected to one end of the actuating arm.

[0013] Another technical solution of this utility model is that, based on the above, the adjusting device includes an adjustable rod with an adjustable length, one end of the adjusting rod is provided with a ball head, the other end of the adjusting rod is provided with a fork head, the adjusting rod is connected to the eccentric shaft through the ball head, and the adjusting rod is connected to the ball head arm through the fork head.

[0014] Another technical solution of this utility model is that, based on the above, the working arm is also provided with a number of connecting holes for connecting purposes, and the connecting holes are arranged in a row.

[0015] On the other hand, this utility model also proposes an agricultural machine, including a tractor and a fruit harvester detachably mounted at one end of the tractor, wherein the fruit harvester is the fruit harvester described above. Attached Figure Description

[0016] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0017] Figure 1 This is a schematic diagram of the structure of a fruit harvester according to the present invention;

[0018] Figure 2 for Figure 1 A structural diagram of another vision;

[0019] Figure 3 for Figure 1 Schematic diagram of the middle frame;

[0020] Figure 4 for Figure 1 Schematic diagram of the central power shaft;

[0021] Figure 5 for Figure 1 Schematic diagram of the structure of the center offset disk;

[0022] Figure 6 for Figure 1 Schematic diagram of the middle adjusting rod;

[0023] Figure 7 for Figure 1 Schematic diagram of the mid-axis swing arm structure.

[0024] The correspondence between the reference numerals in the attached figures is as follows:

[0025] 1. Frame 11. First shaft hole 12. Second shaft hole

[0026] 13 Third shaft hole 14 Fourth shaft hole 15 Bearing housing

[0027] 16 First crossbeam 17 Diagonal brace 18 Second crossbeam

[0028] 2 drive shafts, 21 spline shafts, 22 flat key shafts

[0029] 3 eccentric disc, 31 fifth shaft hole, 32 eccentric shaft

[0030] 33 turntables

[0031] 4 Adjustment device 41 Ball head 42 Adjustment rod

[0032] 43 Fork Head 5 Side Swing Arm 51 Ball Head Arm

[0033] 52 Rotary shaft 53 Actuating arm 54 Connecting hole Detailed Implementation

[0034] The present invention will now be described in detail with reference to the accompanying drawings. This description is merely illustrative and explanatory, and should not be construed as limiting the scope of protection of the present invention. Furthermore, those skilled in the art can combine the features in the embodiments described herein and in different embodiments according to the description in this document.

[0035] The embodiments of this utility model are as follows, please refer to them. Figures 1 to 7 The fruit harvester shown specifically includes a frame 1, a rotatable power shaft 2 mounted on the frame 1, and a swing arm 5 that can tilt relative to the frame 1. One end of the power shaft 2, namely... Figure 1The rear end also features an eccentric disc 3, which rotates when the power shaft 2 rotates. The fruit harvester also includes an adjustment device 4. One end of the adjustment device 4, the upper end shown in the figure, is movably connected to the eccentric arm 5, and the other end, the lower end shown in the figure, is connected to the eccentric disc 3. When the power shaft 2 rotates, it drives the eccentric disc 3 to rotate, which in turn drives the eccentric arm 5 to sway via the adjustment device 4. This fruit harvester can be used by simply fixing it to agricultural machinery such as a tractor. A traction rope is attached to the eccentric arm 5 at one end and to the tree trunk at the other. The eccentric arm 5 continuously sways, causing the tree trunk to shake, thus completing the harvesting of the fruit. Compared with similar existing equipment, it has advantages such as simple and practical structure, and low production and operating costs.

[0036] Based on the above embodiments, in another embodiment of the present invention, such as Figures 1 to 3 As shown, the frame 1 specifically includes a first crossbeam 16 and a second crossbeam 18 that is opposite to or approximately parallel to the first crossbeam 16. Multiple diagonal braces 17 are also provided between the first crossbeam 16 and the second crossbeam 18 to serve as a connection.

[0037] Based on the above embodiments, in another embodiment of the present invention, such as Figures 1 to 3 As shown, the power shaft 2 is rotatably mounted on the first crossbeam 16, specifically at the middle of the first crossbeam 16. The swing arm 5 is swingably mounted on the second crossbeam 18, preferably also at the middle of the second crossbeam 18, and is positioned opposite one end of the power shaft 2. Furthermore, the first crossbeam 16 has a second shaft hole 12 and a third shaft hole 13 at both ends for connection, and the second crossbeam 18 has a first shaft hole 11 and a fourth shaft hole 14 for connection.

[0038] Based on the above embodiments, in another embodiment of the present invention, such as Figures 1 to 3 As shown, the first crossbeam 16 is also provided with a bearing seat 15, and the power shaft 2 is fitted with a rotatable bearing, which is placed inside the bearing seat 15.

[0039] Based on the above embodiments, in another embodiment of the present invention, such as Figure 4 As shown, the power shaft 2 includes a splined shaft 21 with splines and a keyed shaft 22 located at one end of the splined shaft 21, i.e., the right end shown in the figure. The keyed shaft 22 is provided with a key for fixing. The axis of the splined shaft 21 coincides with the axis of the keyed shaft 22.

[0040] Based on the above embodiments, in another embodiment of the present invention, such as Figure 5As shown, the eccentric disk 3 specifically includes a turntable 33, on which an eccentric shaft 32 is provided. One end of the eccentric shaft 32 is fixedly mounted on the turntable 33. A fifth shaft hole 31 is also provided in the center of the turntable 33. When the turntable 33 rotates, it drives the eccentric shaft 32 to rotate.

[0041] Based on the above embodiments, in another embodiment of the present invention, such as Figure 7 As shown, the sway arm 5 specifically includes a ball joint arm 51 and an actuating arm 53 arranged at an angle. One end of the ball joint arm 51, i.e., the left end shown in the figure, is fixedly connected to one end of the actuating arm 53, i.e., the lower end shown in the figure. In addition, a rotatable shaft 52 is provided at the connection between the ball joint arm 51 and the actuating arm 53.

[0042] Based on the above embodiments, in another embodiment of the present invention, such as Figure 6 As shown, the adjusting device 4 specifically includes an adjustable rod 42. One end of the adjusting rod 42, i.e. the lower end shown in the figure, is provided with a ball head 41, and the other end of the adjusting rod 42, i.e. the upper end shown in the figure, is provided with a fork head 43. The adjusting rod 42 is connected to the eccentric shaft 32 through the ball head 41 and to the rotating shaft 52 through the fork head 43.

[0043] Based on the above embodiments, in another embodiment of the present invention, such as Figure 4 As shown, the action arm 53 is also provided with several connection holes 54 for connecting purposes. The several connection holes 54 are arranged in a row. When in use, the traction rope, etc. can be connected to any one of the connection holes 54 according to specific needs.

[0044] The fruit harvester with the above structure can be used by fixing it to agricultural machinery such as tractors. One end of the traction rope is tied to the swing arm 5 and the other end is tied to the tree trunk. The power shaft 2 transmits power to the eccentric shaft 32. The eccentric shaft 32 drives the swing arm 5 to swing continuously through the adjusting rod 42, which in turn causes the tree trunk to sway, thereby completing the picking and harvesting of the fruit. Compared with similar equipment with existing structures, it has the advantages of simple and practical structure and low production and use costs.

[0045] Furthermore, this utility model also proposes an agricultural machine, including a tractor and a fruit harvester detachably mounted at one end of the tractor, specifically the fruit harvester described above. More specifically, the fruit harvester is connected to the tractor through a first shaft hole 11, a second shaft hole 12, and a third shaft hole 13, etc.

[0046] Agricultural machinery with this structure, correspondingly, possesses the advantages of the aforementioned fruit harvesters.

[0047] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A fruit harvester, characterized in that, The fruit harvester includes a frame, on which a rotatable power shaft is provided, and a swing arm that can swing relative to the frame. One end of the power shaft is also provided with an eccentric disc. When the power shaft rotates, it drives the eccentric disc to rotate. The fruit harvester also includes an adjustment device. One end of the adjustment device is movably connected to the eccentric arm, and the other end of the adjustment device is connected to the eccentric disc. When the eccentric disc rotates, the adjustment device drives the eccentric arm to sway.

2. The fruit harvester according to claim 1, characterized in that, The frame includes a first crossbeam and a second crossbeam disposed opposite to the first crossbeam, and multiple diagonal braces are provided between the first crossbeam and the second crossbeam for connecting purposes.

3. The fruit harvester according to claim 2, characterized in that, The power shaft is rotatably mounted on the first crossbeam, and the swing arm is swingably mounted on the second crossbeam.

4. The fruit harvester according to claim 3, characterized in that, The first crossbeam is also provided with a bearing seat, and the power shaft is fitted with a bearing, which is placed inside the bearing seat.

5. The fruit harvester according to claim 4, characterized in that, The power shaft includes a splined shaft and a keyed shaft disposed at one end of the splined shaft, wherein the axis of the splined shaft coincides with the axis of the keyed shaft.

6. The fruit harvester according to claim 5, characterized in that, The eccentric disk includes a turntable, on which an eccentric shaft is provided. When the turntable rotates, it drives the eccentric shaft to rotate.

7. The fruit harvester according to claim 6, characterized in that, The yaw arm includes a ball joint arm and an actuating arm arranged at an angle, with one end of the ball joint arm fixedly connected to one end of the actuating arm.

8. The fruit harvester according to claim 7, characterized in that, The adjusting device includes an adjustable rod with a ball head at one end and a fork head at the other end. The adjusting rod is connected to the eccentric shaft through the ball head.

9. The fruit harvester according to claim 8, characterized in that, The working arm is also provided with a number of connecting holes for connecting purposes, and the number of connecting holes are arranged in a row.

10. An agricultural machine comprising a tractor and a fruit harvester detachably mounted at one end of the tractor, characterized in that, The fruit harvester is the fruit harvester according to any one of claims 1 to 9.