Light Korean pine cone picking device

Abstract

A light pinus koraiensis cone picking device solves the problems that pinus koraiensis trees are high in height, and pinus koraiensis cone picking is difficult, dangerous and low in efficiency, and mainly comprises a swing gripper, a transmission device, a telescopic cross arm, a rotary connecting arm, a lifting vertical arm, a rotary base, a supporting leg, a supporting arm, a guardrail, a crawler and the like. Lifting is achieved according to the parallelogram deformation principle, the transmission device is used for dragging the swing gripper to shake trees, batch picking of Korean pine cones is achieved, the tiltable and rotatable design is adopted, the operation range is widened, the operation efficiency is improved, and the labor intensity of workers is lowered. The stability is improved through the supporting legs capable of being inserted into the ground and the large-length supporting arms, and the tree picking device is simple in structure, light, convenient, efficient, high in picking height, safe, stable, free of damage to trees and capable of adapting to various different forest conditions and tree conditions.

Description

Technical Field

[0001] This utility model relates to a mechanical device for harvesting forest fruits, specifically a lightweight red pine cone harvesting device. Background Technology

[0002] Korean pine nuts have high nutritional, medicinal, and health benefits, but harvesting them is extremely difficult because they grow at the top of the Korean pine tree. Currently, harvesting Korean pine nuts is mainly done manually, which is inefficient and dangerous. While some mechanical harvesting methods exist, they are not very practical due to their large size, limited functionality, low harvesting height, and tendency to damage trees. Utility Model Content

[0003] To address the aforementioned problems, the purpose of this utility model is to provide a safe, lightweight, and efficient red pine cone harvesting device. It has a simple structure, is easy to operate, has a high harvesting height, and is highly adaptable to various forest and tree conditions.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A lightweight red pine cone harvesting device includes: a swing gripper 1, a transmission device 2, a telescopic horizontal arm 3, a rotating connecting arm 4, a lifting vertical arm 5, a rotating base 6, support legs 7, a support arm 8, a guardrail 9, and a small tracked vehicle 10. The swing gripper 1 and the transmission device 2 are both mounted on the telescopic horizontal arm 3. The swing gripper 1 can change its opening angle. The transmission device 2 drives the swing gripper 1 to swing the tree, achieving rapid harvesting of the red pine cones. The upper part of the rotating connecting arm 4 is connected to the telescopic horizontal arm 3. The lower part of 4 is connected to the lifting vertical arm 5. The telescopic horizontal arm 3 is telescopic and can rotate and swing around the rotating connecting arm 4. The lifting vertical arm 5 uses the deformation principle of a parallelogram to achieve lifting. The lifting vertical arm 5 is mounted on the rotating base 6. The rotating base 6 can control the tilting and rotation of the lifting vertical arm 5. The support leg 7 is telescopic and can be inserted into the ground. The support arm 8 can support the lifting vertical arm 5. The guardrail 9 can support the lifting vertical arm 5 through the support rod and winch. The small tracked vehicle 10 is used as a transportation tool. It is small in size and highly maneuverable.

[0006] The aforementioned lightweight red pine cone harvesting device includes a swing gripper 1 comprising a gripping rod 11, a vertical plate 12, a traction rod 13, a connecting bearing, a fixed base 14, and a gripping rod cable 15. The vertical plate 12 has holes at its four corners and is mounted on the fixed base 14 via the connecting bearing. The traction rod 13 is mounted on both sides of the vertical plate 12 and is connected to the traction arm 21 of the transmission device 2 via the gripping rod cable 15.

[0007] The gripping rod 11 has two designs. In the first design, the gripping rod 11 is installed in the hole of the vertical plate 12, and the gripping rod 11 can swing within the hole. The base of the gripping rod 11 has a tension spring, one end of which is installed at the center of the vertical plate 12. The tension spring can reduce the opening angle of the gripping rod 11 so as to better pass through the gaps in the red pine branches and grip the trunk. The end of the gripping rod 11 is arc-shaped. In the second design, the gripping rod 11 passes through the hole of the vertical plate 12, and the upper and lower gripping rods 11 are connected by vertical connecting rods 16. The vertical connecting rods 16 are connected by a gripping rod screw 17. When the gripping rod screw 17 rotates, the opening angle of the gripping rod 11 will change.

[0008] The aforementioned lightweight red pine cone harvesting device includes a transmission device 2 with two designs. The first design includes a traction arm 21, a transmission cable 22, a curved arm device 23, and a DC motor 24. One end of the transmission cable 22 is connected to the traction arm 21, and the other end is connected to the curved arm device 23. The curved arm device 23 has a pulley connected to the DC motor 24. The second design utilizes a tracked vehicle engine 28 for power and includes a traction arm 21, a long transmission cable 25, a pulley 26, and a rotating arm device 27. One end of the long transmission cable 25 is connected to the traction arm 21, and the other end passes over the pulley 26 and connects to the rotating arm device 27. The rotating arm device 27 is connected to the tracked vehicle engine 28.

[0009] The aforementioned lightweight red pine cone harvesting device includes a telescopic cross arm 3 comprising a main arm 31, a telescopic arm 32, a rotating shaft 33, a pull rope 34, and a camera 35. When the rotating shaft 33 rotates, the pull rope 34 can pull the telescopic arm 32 to move on the main arm 31, and the camera 35 can assist in gripping the tree trunk using the swing gripper 1.

[0010] The aforementioned lightweight red pine cone harvesting device includes an upper rotating arm bearing 41, a rotating arm 42, and a lower rotating arm bearing 43. The rotating arm 42 is installed between the upper rotating arm bearing 41 and the lower rotating arm bearing 43, and the rotating arm 42 can rotate around the upper rotating arm bearing 41 and the lower rotating arm bearing 43.

[0011] The aforementioned lightweight red pine cone harvesting device includes a lifting vertical arm 5 comprising a top plate 51, an arm 52, a connecting rod 53, and a lifting screw 54. The overall structure of the lifting vertical arm 5 is a multi-layered, multi-column parallelogram structure composed of multiple sets of intersecting arms. Arms in different columns are connected by connecting rods. The top layer of arms consists of a short arm 55 connected to the top plate 51. One side of the short arm is a telescopic short arm 56, which can adjust the angle between the telescopic horizontal arm 3 and the front by telescopic extension. The lifting screw 54 is mounted on the upper connecting rod of the bottom layer of arms. When the lifting screw 54 rotates, the height of the lifting vertical arm 5 changes. The middle connecting rod 57 of the bottom layer of arms extends to both ends and is mounted on the annular steel ring 63 of the rotating base 6. The bottom layer of arms of the lifting vertical arm 5 has rollers at its ends, which are connected to the arc-shaped slide rail 64 of the rotating base 6.

[0012] The aforementioned lightweight red pine cone harvesting device includes a rotating base 6 with two designs. The first design includes: a base shaft 61, a base bearing 62, an annular steel ring 63, an annular slide rail, an arc-shaped slide rail 64, and a base screw 65. The main body of the rotating base 6 has a concave center. The base shaft 61 and the base bearing 62 are installed at the bottom of this concave surface. The annular slide rail is installed outside the concave area. The annular steel ring 63 is mounted on the annular slide rail, and rollers at the bottom of the annular steel ring 63 allow it to rotate on the annular slide rail. The middle connecting rod 57 of the bottom layer of the lifting vertical arm 5 connects... Connected to the base shaft 61, the middle connecting rod 57 of the bottom layer arm of the lifting vertical arm 5 is mounted on the annular steel ring 63 at both ends. The arc-shaped slide rail 64 is mounted on both sides of the base shaft 61, and the two ends of the arc-shaped slide rail 64 are mounted on the annular steel ring 63. The roller at the end of the bottom layer arm of the lifting vertical arm 5 is mounted on the arc-shaped slide rail 64. One end of the base screw 65 is mounted on the annular steel ring 63, and the other end of the base screw 65 is mounted on the bottom connecting rod 58 of the bottom layer arm of the lifting vertical arm 5. When the base screw 65 rotates, the lifting vertical arm 5 will tilt.

[0013] The second design of the rotating base 6 includes: a bottom shaft 66, a bottom shaft sleeve 67, and a jack 68. The bottom shaft 66 is installed at the center of the main body of the rotating base 6. The bottom shaft sleeve 67 is installed on the vertical shaft 66 of the base. The bottom shaft sleeve 67 can rotate and slide up and down along the bottom shaft 66. The bottom layer of the lifting vertical arm 5 is connected to the bottom shaft sleeve 67. The upper end of the jack 68 is connected to the bottom connecting rod 58 of the bottom layer of the lifting vertical arm 5.

[0014] The aforementioned lightweight red pine cone harvesting device includes a support leg 7 comprising: a column 71, a limiting plate 72, a telescopic leg 73, a fixing plate 74, and a steel rod 75. The column 71 is installed at the four corners of the small tracked vehicle 10 and can rotate horizontally. The column 71 has multiple positioning crossbars. The telescopic leg 73 is installed on the column 71 and has the limiting plate 72 on it. The limiting plate 72 can rotate and hold the positioning crossbars. The telescopic leg 73 can extend, retract, and rotate up and down. The fixing plate 74 is installed at the lower part of the telescopic leg 73 and has a spike-like structure. The steel rod 75 is installed at the end of the telescopic leg 73 and can be inserted into the ground.

[0015] The aforementioned lightweight red pine cone harvesting device includes a support arm 8 comprising a support rod 81 and a support plate 82. There are two support rods 81, one end of which is connected to the middle of the lifting vertical arm 5, and the other end of which is connected to the support plate 82, which is supported on the ground.

[0016] In the aforementioned lightweight red pine cone harvesting device, the guardrail 9 includes a guardrail 91, a support rod 92, a winch 93, etc. The guardrail 91 is installed around the rotating base 6. The guardrail 91 has a support rod 92 and a winch 93. The support rod 92 is used to support the lifting vertical arm 5 to prevent it from tilting forward. The winch 93 has a pull rope, which can pull the lifting vertical arm 5 to prevent it from tilting forward.

[0017] Because this utility model employs the aforementioned technology, it has the following positive effects compared to existing technologies:

[0018] (1) In view of the characteristics of forest land, a support leg and support arm design is adopted, which can be operated on various terrains and slopes, and is safe, stable and highly adaptable.

[0019] (2) Small tracked vehicles were used as transport devices, which are suitable for operation in forest areas.

[0020] (3) It adopts a retractable, tiltable and rotatable design, which improves the operating range and adaptability.

[0021] (4) The lifting and lowering are achieved by utilizing the principle of parallelogram deformation, making it lightweight and flexible.

[0022] (5) The harvesting design using shaking trees improves efficiency.

[0023] (6) The swing gripper is designed with an adjustable angle, making it easier to grip the tree trunk. Attached Figure Description

[0024] Figure 1This is an overall schematic diagram of the present invention;

[0025] Figure 2 This is a schematic diagram of the guardrail of this utility model;

[0026] Figure 3 This is a schematic diagram of the second swing gripper design of this utility model;

[0027] Figure 4 This is a schematic diagram of the second design of the transmission device of this utility model;

[0028] Figure 5 This is a schematic diagram of the second design of the rotating base of this utility model;

[0029] Explanation of the serial numbers in the attached diagram:

[0030] Numbers 1-10 represent several components of this utility model: 1. Swinging gripper; 2. Transmission device; 3. Telescopic horizontal arm; 4. Rotary connecting arm; 5. Lifting vertical arm; 6. Rotary base; 7. Support leg; 8. Support arm; 9. Guardrail; 10. Tracked vehicle;

[0031] The numbers 11-93 represent specific components within each part group, with the first digit indicating the part number. Specifically: 11. Grab bar; 12. Vertical plate; 13. Traction bar; 14. Fixed base; 15. Grab bar cable; 16. Vertical connecting rod; 17. Grab bar screw; 21. Traction arm; 22. Transmission cable; 23. Articulated boom assembly; 24. DC motor; 25. Long transmission cable; 26. Pulley; 27. Swing boom assembly; 28. Tracked vehicle engine; 31. Main boom; 32. Telescopic boom; 33. Rotating shaft; 34. Cable; 35. Camera; 41. Upper swing boom bearing; 42. Rotating arm. ; 43. Lower swing arm bearing; 51. Top plate; 52. Boom; 53. Connecting rod; 54. Lifting screw; 55. Short boom; 56. Telescopic short boom; 57. Middle connecting rod of the bottom layer boom; 58. Bottom connecting rod of the bottom layer boom; 61. Base vertical shaft; 62. Base bearing; 63. Annular steel ring; 64. Arc-shaped slide rail; 65. Base screw; 66. Bottom shaft; 67. Bottom shaft sleeve; 68. Jack; 71. Column; 72. Limiting plate; 73. Telescopic leg; 74. Fixing plate; 75. Steel chisel; 81. Support rod; 82. Support plate; 91. Guard rod; 92. Support rod; 93. Winch; Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0033] Reference Figures 1 to 5As shown, a lightweight red pine cone harvesting device includes: a swing gripper 1, a transmission device 2, a telescopic horizontal arm 3, a rotating connecting arm 4, a lifting vertical arm 5, a rotating base 6, support legs 7, support arms 8, guardrails 9, and a small tracked vehicle 10. The swing gripper 1 and the transmission device 2 are both mounted on the telescopic horizontal arm 3. The swing gripper 1 can change its opening angle. The transmission device 2 drives the swing gripper 1 to swing the tree, achieving rapid harvesting of red pine cones. The upper part of the rotating connecting arm 4 is connected to the telescopic horizontal arm 3. The lower part of the connecting arm 4 is connected to the lifting vertical arm 5. The telescopic horizontal arm 3 is telescopic and can rotate and swing around the rotating connecting arm 4. The lifting vertical arm 5 uses the deformation principle of a parallelogram to achieve lifting. The lifting vertical arm 5 is mounted on the rotating base 6. The rotating base 6 can control the tilting and rotation of the lifting vertical arm 5. The support leg 7 is telescopic and can be inserted into the ground. The support arm 8 can support the lifting vertical arm 5. The guardrail 9 can support the lifting vertical arm 5 through the support rod and winch. The small tracked vehicle 10 is used as a transport tool. It is small in size and highly maneuverable.

[0034] The aforementioned lightweight red pine cone harvesting device includes a swing gripper 1 comprising a gripping rod 11, a vertical plate 12, a traction rod 13, a connecting bearing, a fixed base 14, and a gripping rod cable 15. The vertical plate 12 has holes at its four corners and is mounted on the fixed base 14 via the connecting bearing. The traction rod 13 is mounted on both sides of the vertical plate 12 and is connected to the traction arm 21 of the transmission device 2 via the gripping rod cable 15. The gripping rod 11 passes through the holes in the vertical plate 12, and the upper and lower gripping rods 11 are connected by vertical connecting rods 16. The vertical connecting rods 16 are connected by a gripping rod screw 17. When the gripping rod screw 17 rotates, the opening angle of the gripping rod 11 changes to better grip the tree trunk.

[0035] The aforementioned lightweight red pine cone harvesting device includes a transmission device 2 comprising: a traction arm 21, a transmission cable 22, a curved arm device 23, and a DC motor 24. One end of the transmission cable 22 is connected to the traction arm 21, and the other end is connected to the curved arm device 23. The curved arm device 23 has a pulley, which is connected to the DC motor 24. The DC motor 24 can be powered by a battery or a generator.

[0036] The aforementioned lightweight red pine cone harvesting device includes a telescopic cross arm 3 comprising a main arm 31, a telescopic arm 32, a rotating shaft 33, a pull rope 34, and a camera 35. When the rotating shaft 33 rotates, the pull rope 34 can pull the telescopic arm 32 to move on the main arm 31 to achieve a telescopic function. The telescopic function of the telescopic cross arm 3 is mainly to enable the swing gripper 1 to better grip the tree trunk. The camera 35 can assist in using the swing gripper 1 to grip the tree trunk.

[0037] The aforementioned lightweight red pine cone harvesting device includes an upper rotating arm bearing 41, a rotating arm 42, and a lower rotating arm bearing 43. The rotating arm 42 is installed between the upper rotating arm bearing 41 and the lower rotating arm bearing 43. The rotating arm 42 can rotate around the upper rotating arm bearing 41 and the lower rotating arm bearing 43. This allows the swinging gripper 1 to reduce the impact on the lifting vertical arm 5 when shaking the tree by utilizing the swinging of the rotating arm 42.

[0038] The aforementioned lightweight red pine cone harvesting device includes a lifting vertical arm 5 comprising a top plate 51, an arm 52, a connecting rod 53, and a lifting screw 54. The overall structure of the lifting vertical arm 5 is a multi-layered, multi-column parallelogram structure composed of multiple sets of intersecting arm rods. Arm rods in different columns are connected by connecting rods. The top layer of arm rods is a short arm 55, which is connected to the top plate 51. One side of the short arm rod is a telescopic short arm 56, which can be extended or retracted to adjust its extension. The angle between the horizontal arm 3 and the front is adjusted. The lifting screw 54 is installed on the upper connecting rod of the bottom layer arm. When the lifting screw 54 rotates clockwise, the height of the lifting vertical arm 5 increases. When the lifting screw 54 rotates counterclockwise, the height of the lifting vertical arm 5 decreases. The two ends of the middle connecting rod 57 of the bottom layer arm of the lifting vertical arm 5 extend and are installed on the annular steel ring 63 of the rotating base 6. The bottom layer arm of the lifting vertical arm 5 has rollers at its end, and the rollers are connected to the arc-shaped slide rail 64 of the rotating base 6.

[0039] The aforementioned lightweight red pine cone harvesting device includes a rotating base 6 comprising: a base shaft 61, a base bearing 62, an annular steel ring 63, an annular slide rail, an arc-shaped slide rail 64, and a base screw 65. The main body of the rotating base 6 has a concave center. The base shaft 61 and the base bearing 62 are mounted at the bottom of the concave center of the rotating base 6. The annular slide rail is mounted outside the concave center. The annular steel ring 63 is mounted on the annular slide rail, and rollers at the bottom of the annular steel ring 63 allow it to rotate on the annular slide rail. The middle connecting rod 57 of the bottom layer of the lifting vertical arm 5 is connected to the base shaft 61. Both ends of the middle connecting rod 57 of the bottom layer of the lifting vertical arm 5 are mounted on the annular steel ring 63. The curved slide rail 64 is installed on both sides of the base vertical shaft 61. The two ends of the curved slide rail 64 are installed on the annular steel ring 63. The roller at the end of the bottom layer of the lifting vertical arm 5 is installed on the curved slide rail 64. One end of the base screw 65 is installed on the annular steel ring 63, and the other end of the base screw 65 is installed on the bottom connecting rod 58 of the bottom layer of the lifting vertical arm 5. When the base screw 65 rotates clockwise, the lifting vertical arm 5 will tilt forward so that the swing gripper 1 can better grip the tree trunk and shake the tree. When the base screw 65 rotates counterclockwise, the lifting vertical arm 5 will tilt backward. The purpose of tilting the lifting vertical arm 5 is to allow the swing gripper 1 to better grip the tree trunk and shake the tree trunk.

[0040] The aforementioned lightweight red pine cone harvesting device includes a support leg 7 comprising: a column 71, a limiting plate 72, a telescopic leg 73, a fixing plate 74, and a steel rod 75. The column 71 is installed at the four corners of the small tracked vehicle 10 and can rotate horizontally. The column 71 has multiple positioning crossbars. The telescopic leg 73 is installed on the column 71 and has the limiting plate 72. The limiting plate 72 can rotate and press against the positioning crossbars to stabilize the telescopic leg and prevent it from bending backward. The telescopic leg 73 can extend, retract, and rotate up and down. The fixing plate 74 is installed at the lower part of the telescopic leg 73 and has a spike-like structure. The steel rod 75 is installed at the end of the telescopic leg 73 and can be inserted into the ground to improve the support effect.

[0041] The aforementioned lightweight red pine cone harvesting device includes a support arm 8 comprising a support rod 81 and a support plate 82. There are two support rods 81, one end of which is connected to the middle of the lifting vertical arm 5, and the other end of which is connected to the support plate 82, which is supported on the ground.

[0042] In the aforementioned lightweight red pine cone harvesting device, the guardrail 9 includes a guardrail 91, a support rod 92, a winch 93, etc. The guardrail 91 is installed around the rotating base 6. The guardrail 91 has a support rod 92 and a winch 93. The support rod 92 is used to support the lifting vertical arm 5 to prevent it from tilting forward. The winch 93 has a pull rope, which can pull the lifting vertical arm 5 to prevent it from tilting forward.

[0043] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Those skilled in the art can easily obtain some variations of the implementation method by applying the description and illustrations of this utility model. All equivalent substitutions and solutions obtained by applying the description and illustrations of this utility model, including simplifications of this utility model, removal, replacement, addition of some components or structures, modifications, changes in connection methods, changes in component combination methods, changes in power usage methods, etc., should be included within the protection scope of this utility model.

Claims

1. A lightweight red pine cone harvesting device, characterized in that, include: The system includes a swing gripper (1), a transmission device (2), a telescopic horizontal arm (3), a rotating connecting arm (4), a lifting vertical arm (5), a rotating base (6), a support leg (7), a support arm (8), a guardrail (9), and a small tracked vehicle (10). The swing gripper (1) and the transmission device (2) are both mounted on the telescopic horizontal arm (3). The swing gripper (1) can change its opening angle. The transmission device (2) drives the swing gripper (1) to shake the tree, thus achieving rapid harvesting of red pine cones. The upper part of the rotating connecting arm (4) is connected to the telescopic horizontal arm (3). The lower part of the lifting vertical arm (5) is connected to the telescopic horizontal arm (3), which can be extended and retracted and can rotate and swing around the rotating connecting arm (4). The lifting vertical arm (5) uses the deformation principle of a parallelogram to achieve lifting. The lifting vertical arm (5) is installed on the rotating base (6). The rotating base (6) can control the tilting and rotation of the lifting vertical arm (5). The support leg (7) can be extended and retracted and inserted into the ground. The support arm (8) can support the lifting vertical arm (5). The guardrail (9) can support the lifting vertical arm (5) through the support rod and winch. The small tracked vehicle (10) is used as a transport vehicle.

2. The lightweight red pine cone harvesting device according to claim 1, characterized in that, The swing gripper (1) includes a gripping rod (11), a vertical plate (12), a traction rod (13), a connecting bearing, a fixed seat (14), and a gripping rod cable (15). The vertical plate (12) has holes at its four corners. The vertical plate (12) is mounted on the fixed seat (14) through the connecting bearing. The traction rod (13) is mounted on both sides of the vertical plate (12). The traction rod (13) is connected to the traction arm (21) of the transmission device (2) through the gripping rod cable (15). The gripping rod has two designs. In the first design, the gripping rod (11) is installed in the hole of the vertical plate (12). The gripping rod (11) can swing in the hole. There is a tension spring at the base of the gripping rod (11). One end of the tension spring is installed at the center of the vertical plate (12). The tension spring can reduce the opening angle of the gripping rod (11) so as to better pass through the gaps in the red pine branches and grip the trunk. The end of the gripping rod (11) is arc-shaped. In the second design, the gripping rod (11) passes through the hole in the vertical plate (12), and the gripping rods (11) at the upper and lower positions are connected by vertical connecting rods (16). The vertical connecting rods (16) are connected by gripping rod screws (17). When the gripping rod screws (17) rotate, the opening angle of the gripping rod (11) will change.

3. The lightweight red pine cone harvesting device according to claim 1, wherein the transmission device (2) has two designs, the first design being characterized in that, include: The device includes a traction arm (21), a transmission cable (22), a crank arm device (23), and a DC motor (24). One end of the transmission cable (22) is connected to the traction arm (21), and the other end of the transmission cable (22) is connected to the crank arm device (23). The crank arm device (23) has a pulley, and the pulley is connected to the DC motor (24). The second design is characterized by using a tracked vehicle engine (28) for power, specifically including: a traction arm (21), a long transmission cable (25), a pulley (26), and a swing arm device (27). One end of the long transmission cable (25) is connected to the traction arm (21), and the other end of the long transmission cable (25) passes around the pulley (26) and is connected to the swing arm device (27). The swing arm device (27) is connected to the tracked vehicle engine (28).

4. The lightweight red pine cone harvesting device according to claim 1, characterized in that, The telescopic crossarm (3) includes a main arm (31), a telescopic arm (32), a pivot (33), a pull rope (34), and a camera (35). When the pivot (33) rotates, the pull rope (34) can pull the telescopic arm (32) to move on the main arm (31). The camera (35) can assist the swing gripper (1) in gripping the tree trunk.

5. The lightweight red pine cone harvesting device according to claim 1, characterized in that, The rotating connecting arm (4) includes an upper rotating arm bearing (41), a rotating arm (42), and a lower rotating arm bearing (43). The rotating arm (42) is installed between the upper rotating arm bearing (41) and the lower rotating arm bearing (43). The rotating arm (42) can rotate around the upper rotating arm bearing (41) and the lower rotating arm bearing (43).

6. The lightweight red pine cone harvesting device according to claim 1, characterized in that, The lifting boom (5) includes a top plate (51), a boom (52), a connecting rod (53), and a lifting screw (54). The overall structure of the lifting boom (5) is a multi-layered, multi-column parallelogram structure composed of multiple sets of intersecting booms. The booms in different columns are connected by connecting rods. The top layer of booms is a short boom (55), which is connected to the top plate (51). One side of the short boom is a telescopic short boom (56), which can be adjusted by telescoping. The angle between the telescopic horizontal arm (3) and the front is adjusted. The lifting screw (54) is installed on the upper connecting rod of the bottom layer arm. When the lifting screw (54) rotates, the height of the lifting vertical arm (5) will change. The two ends of the middle connecting rod (57) of the bottom layer arm of the lifting vertical arm (5) extend and are installed on the annular steel ring (63) of the rotating base (6). The bottom layer arm of the lifting vertical arm (5) has a roller at the end, and the roller is connected to the arc-shaped slide rail (64) of the rotating base (6).

7. The lightweight red pine cone harvesting device according to claim 1, wherein the rotating base (6) has two designs, the first design being characterized in that, include: The rotating base (6) has a concave center. The base shaft (61) and the base bearing (62) are mounted on the bottom of the concave surface of the rotating base (6). The annular slide rail is mounted on the outer area of ​​the concave surface. The annular steel ring (63) is mounted on the annular slide rail. The bottom of the annular steel ring (63) has rollers that can rotate on the annular slide rail. The middle connecting rod (57) of the bottom layer of the lifting vertical arm (5) is connected to the base shaft (61). The middle connecting rod (57) of the bottom layer arm is mounted on the annular steel ring (63) at both ends. The arc-shaped slide rail (64) is mounted on both sides of the base vertical shaft (61). The arc-shaped slide rail (64) is mounted on the annular steel ring (63) at both ends. The roller at the end of the bottom layer arm of the lifting vertical arm (5) is mounted on the arc-shaped slide rail (64). One end of the base screw (65) is mounted on the annular steel ring (63). The other end of the base screw (65) is mounted on the bottom connecting rod (58) of the bottom layer arm of the lifting vertical arm (5). When the base screw (65) rotates, the lifting vertical arm (5) will tilt. The second design is characterized by including: a bottom shaft (66), a base vertical shaft sleeve (67), and a jack (68). The bottom shaft (66) is installed at the center of the main body of the rotating base (6). The bottom shaft sleeve (67) is installed on the bottom shaft (66). The bottom shaft sleeve (67) can rotate and slide up and down along the bottom shaft (66). The bottom layer arm of the lifting vertical arm (5) is connected to the bottom shaft sleeve (67). The upper end of the jack (68) is connected to the bottom connecting rod (58) of the bottom layer arm of the lifting vertical arm (5).

8. The lightweight red pine cone harvesting device according to claim 1, characterized in that, The support leg (7) includes: a column (71), a limiting plate (72), a telescopic leg (73), a fixing plate (74), and a steel rod (75). The column (71) is installed at the four corners of the small tracked vehicle (10). The column (71) can rotate in the horizontal direction. The column (71) has multiple positioning crossbars. The telescopic leg (73) is installed on the column (71). The telescopic leg (73) has the limiting plate (72). The limiting plate (72) can rotate and press against the positioning crossbars. The telescopic leg (73) can extend, retract, and rotate up and down. The fixing plate (74) is installed at the lower part of the telescopic leg (73). The fixing plate (74) has a spike-like structure. The steel rod (75) is installed at the end of the telescopic leg (73). The steel rod (75) can be inserted into the ground.

9. The lightweight red pine cone harvesting device according to claim 1, characterized in that, The support arm (8) includes: a support rod (81) and a support plate (82). There are two support rods (81). One end of the support rod (81) is connected to the middle of the lifting vertical arm (5), and the other end of the support rod (81) is connected to the support plate (82). The support plate (82) is supported on the ground.

10. The lightweight red pine cone harvesting device according to claim 1, characterized in that, The guardrail (9) includes a guardrail (91), a support rod (92), and a winch (93). The guardrail (91) is installed around the rotating base (6). The guardrail (91) has a support rod (92) and a winch (93). The support rod (92) is used to hold the lifting arm (5) in place to prevent it from tilting forward. The winch (93) has a pull rope, which can hold the lifting arm (5) in place to prevent it from tilting forward.

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