Supporting device for grapefruit planting and using method

Abstract

The invention discloses a supporting device for grapefruit planting and a using method, the supporting device comprises a supporting platform, a side plate is fixed to the side edge of the supporting platform, a triangular supporting frame is fixed to the bottom of the side plate, and four sliding grooves are evenly formed in the top of the supporting platform; a movable opening penetrating to the outer surface of the top of the supporting platform is formed in the center of the top of the sliding groove. The device has the beneficial effects that through the design of the supporting mechanism, when a sliding plate moves in a sliding groove, a traction rope can pull a telescopic sleeve to vertically move in a fixed sleeve along with the movement of the sliding plate, and then under the condition that a grapefruit is smaller, the distance between the telescopic sleeve and the axis of a supporting platform is closer, and meanwhile the telescopic sleeve is lower; under the condition that the grapefruit is larger, the telescopic sleeve is farther away from the axis of the supporting platform, meanwhile, the telescopic sleeve is higher, and finally the position and the height of the telescopic sleeve and the size of the grapefruit form adaptive adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of grapefruit planting equipment, and in particular to a grapefruit planting support device and a use method thereof. Background Art

[0002] The pomelo tree, also known as "wendan", "luan" and "pao", is a member of the Rutaceae family, an evergreen tree with large and thick leaves; the leaf wings are large and heart-shaped, the flowers are large, often clustered in racemes, the fruit is large, round, oblate or broadly obovate; it is light yellow or orange when ripe, the peel is thick, with large oil glands, and is not easy to peel, the flesh is white or red, the fruit tastes sweet and sour, matures in late autumn, is resistant to storage, and has a single embryo in the seeds, which are propagated by grafting and layering. It is cultivated in Guangxi, Fujian, Zhejiang, Guangdong, Sichuan, Chongqing and Hunan in China, and there are varieties such as "wendan pomelo" and "shatian pomelo". The fruit can be eaten raw or processed, the peel can be made into candied fruit, and aromatic oils can be extracted from the flowers, leaves, and peel. The pomelo tree is a common shrub distributed in many provinces of my country. The pomelo is an evergreen tree. The leaves of the pomelo are like tangerines and oranges, mostly oblong or oblong, and the wing leaves are heart-shaped; the fruit is mostly gourd-shaped, pear-shaped or spherical, with a mostly yellow or orange surface, a shiny surface with pits, and generally a pungent smell.

[0003] During the ripening process of grapefruit, some supporting devices are needed to support the grapefruit to prevent the branches from being broken by the grapefruit, resulting in reduced production. At present, the existing supporting devices still have certain defects when used. The protective ability of the supporting devices is weak, and they cannot be adjusted according to the size of the grapefruit, and cannot be adapted to grapefruits of different sizes. Summary of the invention

[0004] In view of the problems in the related art, the present invention proposes a support device for grapefruit planting and a use method to overcome the above-mentioned technical problems existing in the existing related technology.

[0005] To this end, the specific technical solution adopted by the present invention is as follows:

[0006] A support device for grapefruit planting, comprising a support platform, side panels are fixed to the sides of the support platform, a triangular support frame is fixed to the bottom of the side panels, four sliding grooves are evenly arranged on the top of the support platform, a movable opening is arranged at the top center of the sliding groove, which penetrates to the outer surface of the top of the support platform, a sliding plate is slidably connected in the sliding groove, a vertical plate is fixed at the top center of the sliding plate, the top of the vertical plate penetrates through the movable opening to the top of the support platform and is connected to a support mechanism, and an adjustment drive mechanism that cooperates with the four sliding plates is arranged in the bottom inner wall of the support platform.

[0007] Preferably, the adjustment drive mechanism includes an active cavity opened at the bottom of the supporting platform, the active cavity and the side wall of the active cavity are rotatably connected to a worm, a motor connected to the worm is installed on the side wall of the active cavity, a fixed shaft is fixed to the inner bottom of the active cavity, a worm wheel meshing with the worm is rotatably connected to the upper of the fixed shaft, a rotating disk is fixed to the top outer surface of the worm wheel, four groups of oblique grooves corresponding to the sliding grooves are evenly opened on the top of the rotating disk, a straight sliding hole matching the active cavity is opened at the bottom of the sliding groove, a sliding block is fixed at the bottom center of the sliding plate, and the bottom end of the sliding block passes through the straight sliding hole to penetrate into the active cavity and is located in the oblique groove.

[0008] Preferably, the length direction of the straight sliding hole is consistent with the length direction of the sliding groove.

[0009] Preferably, the supporting mechanism includes a driving assembly and a linkage assembly, the driving assembly includes a fixed sleeve and a telescopic sleeve, the fixed sleeve is fixed to the top of the vertical plate, the interior of the fixed sleeve is slidably connected with a sliding ring, a telescopic sleeve is fixed to the top of the sliding ring, the top of the telescopic sleeve passes through the top of the fixed sleeve, one end of a traction rope is fixed to one side of the bottom of the sliding ring, the other end of the traction rope passes through the fixed sleeve and the vertical plate, extends from the side of the vertical plate, and is connected and fixed to the inner wall of the movable opening.

[0010] Preferably, the linkage assembly includes a rectangular column fixed at the center of the bottom of the fixed sleeve and two movable holes symmetrically opened on the outer surface of the side edge of the telescopic sleeve, a rack plate corresponding to the movable hole is respectively provided on both sides of the outer surface of the rectangular column, a support shaft is fixed in the middle of the movable hole, a half gear is rotatably connected to the support shaft, the tooth surface of the half gear is meshed with the rack plate, a connecting block is fixed on the smooth surface of the half gear, and the end of the connecting block extends to the outside of the telescopic sleeve and is connected and fixed to the protective frame.

[0011] Preferably, the protective frame is provided with a through hole, a protective plate is slidably connected inside the through hole, and limiting blocks are provided on the top and bottom of the outer surface of the protective plate.

[0012] Preferably, damping pad layers are provided on both sides of the outer surface of the protective plate, and the damping pad layers are squeezed together with the inner wall of the perforation.

[0013] Preferably, a guide block is fixed on both sides of the outer surface of the sliding ring, and sliding grooves matching with the guide blocks are opened on the inner walls on both sides of the fixed sleeve, and a spring is connected between the inner bottom of the sliding groove and the bottom of the guide block.

[0014] Preferably, the fixing sleeve and the vertical plate are provided with through holes cooperating with the traction rope.

[0015] According to another aspect of the present invention, there is provided a method for using a supporting device for planting grapefruit, which is used for the supporting device for planting grapefruit, comprising the following steps:

[0016] The device is fixed in the planting field through a triangular support frame, and the support platform is located below the pomelo, and the support mechanism on the support platform is located outside the pomelo;

[0017] The supporting mechanism is activated according to the size of the pomelo, thereby adjusting the positions of the fixed sleeve and the telescopic sleeve on the supporting platform, and always maintaining a spacing space between the fixed sleeve and the telescopic sleeve and the arc outer surface of the pomelo for fine-tuning activities.

[0018] The beneficial effects of the present invention are:

[0019] 1. By adjusting the design of the driving mechanism, the motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel rotation drives the rotating disk to rotate, the rotating disk rotation drives several oblique slots to rotate, and when the oblique slot rotates, the inner wall will squeeze and push the outer surface of the slider, so that the slider can drive the sliding plate to move linearly in the sliding slot.

[0020] Second, through the design of the supporting mechanism, when the sliding plate moves in the sliding groove, as the sliding plate moves, the traction rope will pull the telescopic sleeve to move vertically inside the fixed sleeve, and then, when the grapefruit is smaller, the telescopic sleeve is closer to the axis of the supporting platform, and the lower the telescopic sleeve is; when the grapefruit is larger, the telescopic sleeve is farther away from the axis of the supporting platform, and the higher the telescopic sleeve is, so that the position and height of the telescopic sleeve are finally adaptively adjusted to the size of the grapefruit, and in the process of adjusting the position of the fixed sleeve and the telescopic sleeve, a spacing space for fine-tuning activities is always reserved between the fixed sleeve and the telescopic sleeve and the outer surface of the circular arc of the grapefruit, so that while giving the grapefruit a certain growth space, it can also ensure that the fixed sleeve and the telescopic sleeve support the grapefruit laterally, and when the grapefruit shakes, it is ensured that the grapefruit will not hit the top of the telescopic sleeve, but will only hit the circumferential outer surfaces of the fixed sleeve and the telescopic sleeve, and the fixed sleeve and the telescopic sleeve will not telescope under lateral impact.

[0021] 3. Through the design of the driving component, when the sliding plate moves in the sliding groove, as the sliding plate moves, the distance between one end of the traction rope and the sliding plate will increase or decrease, and the other end of the traction rope will pull the sliding ring or extend the sliding ring. The sliding ring will move vertically inside the fixed sleeve under the action of the spring and the guide block, and the movement of the sliding ring will drive the telescopic sleeve to move vertically.

[0022] Fourth, through the design of the linkage component, when the telescopic sleeve moves vertically in the fixed sleeve, the half gear on the telescopic sleeve will move on the rack plate, so that the half gear will drive the protective frame to rotate through the connecting block. While the protective frame blocks the gap between the two adjacent telescopic sleeves, it can also rotate as the position of the telescopic sleeve on the supporting platform is adjusted. As the distance between the two adjacent telescopic sleeves increases or decreases, the protective frame will automatically rotate to change its occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 is a schematic diagram of the overall structure of a grapefruit planting support device according to an embodiment of the present invention;

[0025] Figure 2 is a schematic structural diagram of a grapefruit planting support device according to an embodiment of the present invention in a state where the side plates and the triangular support frame are removed;

[0026] Figure 3 is a schematic diagram of the structure of a support platform of a grapefruit planting support device according to an embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the connection structure between a support platform, a sliding plate and a vertical plate of a support device for grapefruit planting according to an embodiment of the present invention;

[0028] Figure 5 Schematic diagram of the partial structure of a supporting platform of a grapefruit planting supporting device according to an embodiment of the present invention Figure 1 ;

[0029] Figure 6 Schematic diagram of the partial structure of a supporting platform of a grapefruit planting supporting device according to an embodiment of the present invention Figure 2 ;

[0030] Figure 7 This is a schematic diagram of the connection structure between a rotating disk and a slider of a grapefruit planting support device according to an embodiment of the present invention;

[0031] Figure 8 is a schematic diagram of the structure of a support mechanism of a grapefruit planting support device according to an embodiment of the present invention;

[0032] Fig. 9Schematic diagram of the linkage assembly structure of a grapefruit planting support device according to an embodiment of the present invention Figure 1 ;

[0033] Fig.10 It is a partial structural schematic diagram of a linkage assembly of a grapefruit planting support device according to an embodiment of the present invention;

[0034] Fig.11 Schematic diagram of the linkage assembly structure of a grapefruit planting support device according to an embodiment of the present invention Figure 2 ;

[0035] Fig.12 It is a schematic diagram of the assembly structure of a linkage component and a protective plate of a grapefruit planting support device according to an embodiment of the present invention;

[0036] Fig.13 This is a schematic diagram of the connection structure of a protective plate and a limit block of a grapefruit planting support device according to an embodiment of the present invention;

[0037] Fig.14 The present invention is a flowchart of a supporting device for grapefruit planting and a method of using the supporting device according to an embodiment of the present invention.

[0038] In the figure:

[0039] 1. Support platform; 2. Side plate; 3. Triangular support frame; 4. Sliding groove; 5. Movable cavity; 6. Movable opening; 7. Sliding plate; 8. Vertical plate; 9. Rotating disk; 10. Worm gear; 11. Worm; 12. Motor; 13. Oblique groove; 14. Fixed sleeve; 15. Sliding ring; 16. Telescopic sleeve; 17. Guide block; 18. Sliding groove; 19. Spring; 20. Traction rope; 21. Rectangular column; 22. Rack plate; 23. Movable hole; 24. Support shaft; 25. Half gear; 26. Connecting block; 27. Protective frame; 28. Perforation; 29. ​​Protective plate; 30. Limit block; 31. Sliding block; 32. Fixed shaft. DETAILED DESCRIPTION

[0040] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0041] According to an embodiment of the present invention, a supporting device for planting pomelo is provided.

[0042] Embodiment 1;

[0043] like Figure 1-Figure 4 As shown, the support device for grapefruit planting according to the embodiment of the present invention includes a support platform 1, a side panel 2 is fixed to the side of the support platform 1, a triangular support frame 3 is fixed to the bottom of the side panel 2, four sliding grooves 4 are evenly opened on the top of the support platform 1, a movable opening 6 is opened at the top center of the sliding groove 4 and penetrates to the outer surface of the top of the support platform 1, a sliding plate 7 is slidably connected in the sliding groove 4, a vertical plate 8 is fixed at the top center of the sliding plate 7, the top of the vertical plate 8 passes through the movable opening 6 to the top of the support platform 1 and is connected to the support mechanism, and an adjustment drive mechanism matched with the four sliding plates 7 is arranged in the bottom inner wall of the support platform 1.

[0044] Embodiment 2:

[0045] like Figure 5-Figure 7 As shown, the adjustment drive mechanism includes an active cavity 5 opened at the bottom of the support platform 1, the active cavity 5, a worm 11 is rotatably connected on the side wall of the active cavity 5, a motor 12 connected to the worm 11 is installed on the side wall of the active cavity 5, a fixed shaft 32 is fixed to the inner bottom of the active cavity 5, a worm wheel 10 meshing with the worm 11 is rotatably connected on the upper side of the fixed shaft 32, a rotating disk 9 is fixed to the top outer surface of the worm wheel 10, four groups of oblique grooves 13 corresponding to the sliding grooves 4 are evenly opened on the top of the rotating disk 9, and a straight sliding hole matching the active cavity 5 is opened at the bottom of the sliding groove 4 A slider 31 is fixed at the bottom center of the sliding plate 7, and the bottom end of the slider 31 passes through the straight sliding hole to the active cavity 5 and is located in the oblique groove 13, and the length direction of the straight sliding hole is consistent with the length direction of the sliding groove 4; by adjusting the design of the driving mechanism, the motor 12 drives the worm 11 to rotate, the worm 11 drives the worm wheel 10 to rotate, the rotation of the worm wheel 10 drives the rotating disk 9 to rotate, and the rotation of the rotating disk 9 drives a number of oblique grooves 13 to rotate. When the oblique groove 13 rotates, the inner wall will squeeze and push the outer surface of the slider 31, so that the slider 31 can drive the sliding plate 7 to move linearly in the sliding groove 4.

[0046] Embodiment three;

[0047] like Figure 1 , Figure 2 , Figure 8As shown, the support mechanism includes a driving assembly and a linkage assembly, and the driving assembly includes a fixed sleeve 14 and a telescopic sleeve 16. The fixed sleeve 14 is fixed to the top of the vertical plate 8, and a sliding ring 15 is slidably connected inside the fixed sleeve 14. The top of the sliding ring 15 is fixed with a telescopic sleeve 16, and the top of the telescopic sleeve 16 penetrates to the top of the fixed sleeve 14. One end of a traction rope 20 is fixed to one side of the bottom of the sliding ring 15, and the other end of the traction rope 20 penetrates the fixed sleeve 14. The vertical plate 8 extends from the side of the vertical plate 8 and is connected and fixed to the inner wall of the movable opening 6. A guide block 17 is fixed to both sides of the outer surface of the sliding ring 15. The inner walls of both sides of the fixed sleeve 14 are provided with a slide groove 18 that matches the guide block 17. A spring 19 is connected between the inner bottom of the slide groove 18 and the bottom of the guide block 17. A through hole that matches the traction rope 20 is provided on the fixed sleeve 14 and the vertical plate 8. Through the design of the supporting mechanism, when the sliding plate 7 is in the sliding While moving in the movable groove 4, as the sliding plate 7 moves, the traction rope 20 will pull the telescopic sleeve 16 to move vertically inside the fixed sleeve 14, and then, when the grapefruit is smaller, the telescopic sleeve 16 is closer to the axis of the support platform 1, and the lower the telescopic sleeve 16 is, and when the grapefruit is larger, the telescopic sleeve 16 is farther away from the axis of the support platform 1, and the higher the telescopic sleeve 16 is, and finally the position and height of the telescopic sleeve 16 are adaptively adjusted with the size of the grapefruit, and in the above-mentioned fixed sleeve 14 and During the process of adjusting the position of the telescopic sleeve 16, a spacing space that can be fine-tuned is always reserved between the fixed sleeve 14 and the telescopic sleeve 16 and the arc outer surface of the grapefruit, thereby providing the grapefruit with a certain growth space while ensuring that the fixed sleeve 14 and the telescopic sleeve 16 provide side support for the grapefruit. When the grapefruit shakes, it is ensured that the grapefruit will not hit the top of the telescopic sleeve 16, but will only hit the circumferential outer surface of the fixed sleeve 14 and the telescopic sleeve 16. The fixed sleeve 14 and the telescopic sleeve 16 will not telescope under lateral impact.

[0048] Embodiment 4:

[0049] like Figure 8-Figure 10As shown, the linkage assembly includes a rectangular column 21 fixed at the center of the bottom of the fixed sleeve 14 and two movable holes 23 symmetrically opened on the outer surface of the side of the telescopic sleeve 16. A rack plate 22 corresponding to the movable hole 23 is respectively provided on both sides of the outer surface of the rectangular column 21. A support shaft 24 is fixed in the middle of the movable hole 23. A half gear 25 is rotatably connected to the support shaft 24. The tooth surface of the half gear 25 is meshed with the rack plate 22. A connecting block 26 is fixed to the smooth surface of the half gear 25. The end of the connecting block 26 extends to the end of the telescopic sleeve 16. The outer side is connected and fixed to the protective frame 27; through the design of the linkage component, in the process of the telescopic sleeve 16 moving vertically in the fixed sleeve 14, the half gear 25 on the telescopic sleeve 16 will move on the rack plate 22, and then the half gear 25 will drive the protective frame 27 to rotate through the connecting block 26, and then while the protective frame 27 blocks the gap between the two adjacent telescopic sleeves 16, it can also rotate as the position of the telescopic sleeve 16 on the supporting platform 1 is adjusted, and then the distance between the two adjacent telescopic sleeves 16 becomes larger or smaller, and the protective frame 27 will automatically rotate to change its occupied space.

[0050] Embodiment five;

[0051] like Figure 11-13 As shown, a through hole 28 is opened on the protective frame 27, and a protective plate 29 is slidably connected inside the through hole 28. Limit blocks 30 are provided on the top and bottom of the outer surface of the protective plate 29. Damping pads are provided on both sides of the outer surface of the protective plate 29, and the damping pads are squeezed together with the inner wall of the through hole 28. During the operation of the above-mentioned protective frame 27, a protective plate 29 can also be added inside the protective frame 27 to improve the protection capability of the protective frame 27.

[0052] Embodiment six;

[0053] like Figure 1-14 As shown, according to an embodiment of the present invention, a method for using a supporting device for planting grapefruit is also provided, and the supporting device for planting grapefruit comprises the following steps:

[0054] Step S101, fixing the device in the planting field through the triangular support frame 3, while the support platform 1 is located below the pomelo, and the support mechanism on the support platform 1 is located outside the pomelo;

[0055] Step S103, starting the support mechanism according to the size of the pomelo, thereby adjusting the positions of the fixed sleeve 14 and the telescopic sleeve 16 on the support mechanism on the support platform 1, and always maintaining a spacing space between the fixed sleeve 14 and the telescopic sleeve 16 and the outer surface of the pomelo arc for fine adjustment.

[0056] When in use, the device is fixed in the planting garden through the triangular support frame 3, and the support platform 1 is located below the pomelo, and the support mechanism on the support platform 1 is located outside the pomelo; the support mechanism is started according to the size of the pomelo, and then the position of the fixed sleeve 14 and the telescopic sleeve 16 on the support mechanism on the support platform 1 is adjusted. Specifically, the motor 12 drives the worm 11 to rotate, the worm 11 drives the worm wheel 10 to rotate, the rotation of the worm wheel 10 drives the rotating disk 9 to rotate, and the rotation of the rotating disk 9 drives the rotation of several oblique grooves 13. When the oblique groove 13 rotates, the inner wall will squeeze and push the outer surface of the slider 31, so that the slider 31 can drive the sliding plate 7 to move linearly in the sliding groove 4. , the sliding plate 7 moves while driving the vertical plate 8 and the supporting mechanism on the top of the vertical plate 8 to move linearly, thereby achieving the effect of adjusting the position of the supporting structure on the top of the supporting platform 1, so that the supporting mechanism can be adjusted to match grapefruits of different sizes; while the above-mentioned sliding plate 7 moves in the sliding groove 4, as the sliding plate 7 moves, the distance between one end of the traction rope 20 and the sliding plate 7 will become larger or smaller, and the other end of the traction rope 20 will pull the sliding ring 15 or stretch the sliding ring 15, and the sliding ring 15 will move vertically inside the fixed sleeve 14 under the action of the spring 19 and the guide block 17, and the sliding ring 15 will drive the telescopic sleeve 16 to move vertically while moving, so that when the grapefruit is smaller, the telescopic sleeve will be The closer 16 is to the axis of the supporting platform 1, the lower the telescopic sleeve 16 is. When the grapefruit is larger, the telescopic sleeve 16 is farther away from the axis of the supporting platform 1, and the higher the telescopic sleeve 16 is. Finally, the position and height of the telescopic sleeve 16 are adaptively adjusted to the size of the grapefruit. In the process of adjusting the position of the fixed sleeve 14 and the telescopic sleeve 16, a fine-adjustable spacing space is always left between the fixed sleeve 14 and the telescopic sleeve 16 and the outer surface of the grapefruit arc, so that while giving the grapefruit a certain growth space, it can also ensure that the fixed sleeve 14 and the telescopic sleeve 16 support the grapefruit from the side, and when the grapefruit shakes, it is ensured that the grapefruit will not hit the top of the telescopic sleeve 16. , it will only hit the circumferential outer surfaces of the fixed sleeve 14 and the telescopic sleeve 16, and the fixed sleeve 14 and the telescopic sleeve 16 will not perform telescopic movement under lateral impact; in the process of the telescopic sleeve 16 moving vertically in the fixed sleeve 14, the half gear 25 on the telescopic sleeve 16 will move on the rack plate 22, so that the half gear 25 will drive the protective frame 27 to rotate through the connecting block 26, and then while the protective frame 27 blocks the gap between the two adjacent telescopic sleeves 16, it can also rotate as the position of the telescopic sleeve 16 on the supporting platform 1 is adjusted, and then the distance between the two adjacent telescopic sleeves 16 becomes larger or smaller, and the protective frame 27 will also automatically rotate to change its occupied space.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A supporting device for grapefruit planting, characterized in that: The invention comprises a support platform (1), a side plate (2) is fixed to the side of the support platform (1), a triangular support frame (3) is fixed to the bottom of the side plate (2), four sliding grooves (4) are evenly arranged on the top of the support platform (1), a movable opening (6) is arranged at the top center of the sliding groove (4) and penetrates to the outer surface of the top of the support platform (1), a sliding plate (7) is slidably connected in the sliding groove (4), a vertical plate (8) is fixed at the top center of the sliding plate (7), the top of the vertical plate (8) penetrates to the top of the support platform (1) through the movable opening (6) and is connected to the support mechanism, and an adjustment drive mechanism matched with the four sliding plates (7) is arranged in the bottom inner wall of the support platform (1).

2. A grapefruit planting support device according to claim 1, characterized in that: The adjustment drive mechanism comprises an active cavity (5) provided at the bottom of the support platform (1), the active cavity (5), a worm (11) being rotatably connected to the side wall of the active cavity (5), a motor (12) connected to the worm (11) being mounted on the side wall of the active cavity (5), a fixed shaft (32) being fixed to the inner bottom of the active cavity (5), a worm wheel (10) meshing with the worm (11) being rotatably connected to the upper side of the fixed shaft (32), and the worm wheel (10) meshing with the worm (11) being mounted on the side wall of the active cavity (5). A rotating disk (9) is fixed on the top outer surface of the wheel (10), and four groups of oblique grooves (13) corresponding to the sliding grooves (4) are evenly opened on the top of the rotating disk (9). A straight sliding hole matching the active cavity (5) is opened at the bottom of the sliding groove (4). A sliding block (31) is fixed at the bottom center of the sliding plate (7), and the bottom end of the sliding block (31) passes through the straight sliding hole into the active cavity (5) and is located in the oblique groove (13).

3. A grapefruit planting support device according to claim 2, characterized in that: The length direction of the straight sliding hole is consistent with the length direction of the sliding groove (4).

4. A grapefruit planting support device according to claim 3, characterized in that: The support mechanism comprises a driving assembly and a linkage assembly, wherein the driving assembly comprises a fixed sleeve (14) and a telescopic sleeve (16), wherein the fixed sleeve (14) is fixed to the top of the vertical plate (8), wherein a sliding ring (15) is slidably connected inside the fixed sleeve (14), wherein a telescopic sleeve (16) is fixed to the top of the sliding ring (15), wherein the top of the telescopic sleeve (16) passes through the top of the fixed sleeve (14), wherein one end of a traction rope (20) is fixed to one side of the bottom of the sliding ring (15), wherein the other end of the traction rope (20) passes through the fixed sleeve (14) and the vertical plate (8), extends from the side of the vertical plate (8), and is connected and fixed to the inner wall of the movable opening (6).

5. A grapefruit planting support device according to claim 4, characterized in that: The linkage assembly comprises a rectangular column (21) fixed at the center of the bottom of the fixed sleeve (14) and two movable holes (23) symmetrically opened on the outer surface of the side of the telescopic sleeve (16); a rack plate (22) corresponding to the movable hole (23) is respectively provided on both sides of the outer surface of the rectangular column (21); a support shaft (24) is fixed in the middle of the movable hole (23); a half gear (25) is rotatably connected to the support shaft (24); the tooth surface of the half gear (25) is meshed with the rack plate (22); a connecting block (26) is fixed on the smooth surface of the half gear (25); the end of the connecting block (26) extends to the outside of the telescopic sleeve (16) and is connected and fixed to a protective frame (27).

6. A grapefruit planting support device according to claim 5, characterized in that: The protection frame (27) is provided with a through hole (28), a protection plate (29) is slidably connected inside the through hole (28), and a limit block (30) is provided on the top and bottom of the outer surface of the protection plate (29).

7. A grapefruit planting support device according to claim 6, characterized in that: Damping pads are provided on both sides of the outer surface of the protective plate (29), and the damping pads are squeezed together with the inner wall of the perforation (28).

8. The grapefruit planting support device according to claim 4, characterized in that: A guide block (17) is fixed on both sides of the outer surface of the sliding ring (15), and a slide groove (18) matching with the guide block (17) is opened on the inner walls of both sides of the fixed sleeve (14), and a spring (19) is connected between the inner bottom of the slide groove (18) and the bottom of the guide block (17).

9. The grapefruit planting support device according to claim 4, characterized in that: The fixing sleeve (14) and the vertical plate (8) are provided with through holes which match the traction rope (20).

10. A method for using a grapefruit planting support device, characterized in that: The grapefruit planting support device according to claim 9 comprises the following steps: The device is fixed in a plantation through a triangular support frame (3), and the support platform (1) is located below the pomelo, and the support mechanism on the support platform (1) is located outside the pomelo; The support mechanism is activated according to the size of the grapefruit, thereby adjusting the positions of the fixed sleeve (14) and the telescopic sleeve (16) on the support mechanism on the support platform (1), and a spacing space for fine adjustment is always maintained between the fixed sleeve (14) and the telescopic sleeve (16) and the outer surface of the grapefruit arc.

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