Reducing mechanism of fruit tree girdling machine and fruit tree girdling machine
By introducing a reduction gear and transmission assembly into the fruit tree girdling machine, the torque is increased and the rotation speed is reduced, which solves the problem of unstable cutting force in the process of girdling fruit trees by electric girdling equipment, and achieves stable cutting and efficient operation.
Patent Information
- Application Number
- CN202520091663.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing electric girdling equipment suffers from inconsistent bark hardness and flatness during fruit tree girdling, resulting in unstable cutting force, vibration, and deviation, which affects work efficiency and may damage the fruit trees.
Design a reduction mechanism for a fruit tree girdling machine. By setting up a reduction component and a transmission component, increase torque and reduce speed to stabilize the cutting depth. This includes first, second and third stage reduction to ensure the stability and smoothness of the cutting process.
This process ensures stability and smoothness in the girdling of fruit trees, improves operational convenience and work efficiency, and avoids equipment deviation and unnecessary damage to fruit trees.
Smart Images
Figure CN223754560U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of forestry machines, in particular to a kind of deceleration mechanism of fruit tree girdling machine and fruit tree girdling machine. BACKGROUND
[0002] Girdling (also known as ring stripping) is a technique of cutting the trunk in a ring shape during the growth period of fruit trees. By stripping the bark between the two cutting edges and exposing the wood, girdling can temporarily hinder the downward transport of organic matter, reduce the nutrient supply of the root system, promote the accumulation of nutrients above the stripping, thereby effectively inhibiting vegetative growth, promoting flower bud differentiation, and significantly improving fruit quality. The existing electric girdling equipment has the following problems in actual application: due to the inconsistency of the hardness and surface flatness of the bark at different locations (such as the greater and harder degree of concave-convex at the knot part), the actual cutting force during girdling is often unstable, and the equipment is prone to vibration and deviation, resulting in excessive cutting depth of the cutting tool, motor stall, or insufficient cutting depth, and the bark cannot be completely stripped. The above problems not only significantly reduce the work efficiency of girdling operation, but also may cause unnecessary damage to the fruit trees, limiting the promotion and application of electric girdling technology. Therefore, it is necessary to design an electric girdling equipment that is stable in work and easy to operate, to improve the overall effect of girdling operation. SUMMARY
[0003] To solve at least one aspect of the above problems, the utility model first provides a kind of deceleration mechanism of fruit tree girdling machine, including driving piece, reduction assembly, connecting shell and transmission assembly, the reduction assembly is housed in the connecting shell and rotates in the connecting shell, the reduction assembly includes first rotating seat, first sun gear and a plurality of first planetary gears, the driving piece is connected with the first sun gear and drives the first sun gear to rotate, the first planetary gears are distributed around the first sun gear and are meshed with the first sun gear, the first planetary gears are connected on the first rotating seat and drive the first rotating seat to rotate, the inner wall of the connecting shell is provided with inner tooth portion, the first planetary gears and the inner tooth portion are meshed, the first rotating seat is connected with the transmission assembly and drives the transmission assembly to rotate, so that the torque increases and the speed decreases.
[0004] Optionally, the reduction assembly further includes a second rotating seat and a plurality of second planetary gears, the second planetary gears are connected on the second rotating seat and drive the second rotating seat to rotate, an end of the first rotating seat away from the first sun gear is provided with a second sun gear, the second planetary gears are distributed around the second sun gear and are meshed with the second sun gear, the second planetary gears and the inner tooth portion are meshed.
[0005] Optionally, the speed reduction assembly further comprises a third rotating seat and a plurality of third planetary gears, the third planetary gears are connected to the third rotating seat and drive the third rotating seat to rotate, one end of the second rotating seat away from the second sun gear is provided with a third sun gear, the third planetary gears are distributed around the third sun gear and are in meshing connection with the third sun gear, and the third planetary gears are in meshing connection with the inner tooth portion.
[0006] Optionally, the transmission assembly comprises a first bevel gear, the third rotating seat is provided with a limiting hole, and a wheel shaft of the first bevel gear is limited in the limiting hole, so that the third rotating seat drives the first bevel gear to rotate.
[0007] Optionally, a bearing and a snap ring are sleeved on the wheel shaft of the first bevel gear, a limiting groove is concavely arranged on the wheel shaft of the first bevel gear, the snap ring is limited in the limiting groove, and the snap ring is axially limited in the bearing.
[0008] Optionally, the transmission assembly comprises a base, left and right ends of the connecting shell are respectively threadedly connected with the base and the driving member, the base is provided with a mounting cavity, and the first bevel gear is accommodated in the mounting cavity and rotates in the mounting cavity.
[0009] Optionally, the transmission assembly comprises a second bevel gear, a driving wheel and a first driven wheel, the first bevel gear and the second bevel gear are in meshing connection, the driving wheel and the second bevel gear are coaxially connected, and the first driven wheel and the driving wheel are in transmission connection.
[0010] Optionally, the driving member comprises a driving shaft, the driving shaft is provided with a non-circular connecting portion, the first sun gear is provided with a connecting hole matched with the connecting portion, so that the driving member drives the first sun gear to rotate.
[0011] Optionally, the transmission assembly comprises a rotating disc, the rotating disc is provided with a tree clamping opening for clamping a tree trunk, and a cutting knife is fixedly connected to the rotating disc, the speed reduction assembly drives the rotating disc to rotate, so that the cutting knife rings the tree trunk.
[0012] Compared with the prior art, the speed reduction mechanism of the fruit tree ring cutting machine in the utility model, through the setting of the speed reduction assembly, the driving member increases the torque and reduces the rotating speed under the cooperation of the first sun gear and the first planetary gear, so that the rotating speed of the transmission assembly is smaller, and the tree trunk ring cutting can be more stably performed.
[0013] In addition, the utility model provides a fruit tree ring cutting machine which comprises the speed reduction mechanism of the fruit tree ring cutting machine.
[0014] Relative to prior art, the fruit tree girdling machine has the same advantages as the reduction mechanism of the fruit tree girdling machine of the prior art, and details are not repeated here. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a sectional view of the reduction mechanism of the fruit tree girdling machine of the embodiment of the utility model;
[0016] Figure 2 It is an explosion view of the reduction mechanism of the fruit tree girdling machine of the embodiment of the utility model;
[0017] Figure 3 It is an explosion view of the reduction mechanism of the fruit tree girdling machine of the embodiment of the utility model;
[0018] Figure 4 It is a structure view of the connecting shell of the embodiment of the utility model;
[0019] Figure 5 It is a structure view of the driving member of the embodiment of the utility model;
[0020] Figure 6 It is a connection structure view of the reduction assembly and partial transmission assembly of the embodiment of the utility model;
[0021] Figure 7 It is a connection structure view of the reduction assembly and partial transmission assembly of the embodiment of the utility model.
[0022] BRIEF DESCRIPTION OF DRAWINGS:
[0023] 1, reduction assembly; 11, first rotating seat; 12, first sun gear; 121, connecting hole; 13, first planetary gear; 14, second rotating seat; 15, second sun gear; 16, second planetary gear; 17, third rotating seat; 171, limiting hole; 18, third sun gear; 19, third planetary gear; 2, connecting shell; 21, inner tooth part; 3, driving member; 31, driving shaft; 311, connecting part; 4, first bevel gear; 41, bearing; 42, snap ring; 5, second bevel gear; 6, driving wheel; 7, first driven wheel; 8, rotating disc; 81, tree clamping mouth; 82, cutting knife; 9, base. DETAILED DESCRIPTION
[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.
[0025] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship when the product is normally used.
[0026] The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include at least one of the features. The drawings of the embodiments of the utility model are provided with a coordinate system XYZ, wherein the positive direction of the X axis represents the left direction, the reverse direction of the X axis represents the right direction, the positive direction of the Y axis represents the front direction, the reverse direction of the Y axis represents the rear direction, the positive direction of the Z axis represents the upward direction, and the reverse direction of the Z axis represents the downward direction.
[0027] The utility model discloses an embodiment provides a kind of speed reduction mechanism of fruit tree girdling machine, in combination Figures 1-7 As shown in the figure, including driving part 3, speed reduction assembly 1, connecting shell 2 and transmission assembly, the speed reduction assembly 1 is contained in the connecting shell 2 and rotates in the connecting shell 2, the speed reduction assembly 1 includes first rotating seat 11, first sun gear 12 and a plurality of first planetary gears 13, the driving part 3 is connected with the first sun gear 12 and drives the first sun gear 12 to rotate, the first planetary gears 13 are distributed around the first sun gear 12 and are meshed with the first sun gear 12, the first planetary gears 13 are connected on the first rotating seat 11 and drive the first rotating seat 11 to rotate, the inner wall of the connecting shell 2 is convex with inner tooth portion 21, the first planetary gears 13 and the inner tooth portion 21 are meshed, and the first rotating seat 11 is connected with the transmission assembly and drives the transmission assembly to rotate, so that the torque increases and the speed decreases.
[0028] As Figures 1-4 As shown in the figure, in the embodiment, inner tooth portion 21 and connecting shell 2 are integrally formed, and inner tooth portion 21 provides a rolling track for first planetary gears 13, and first planetary gears 13 rotate around inner tooth portion 21 while rotating around first sun gear 12. There are three first planetary gears 13, and they are evenly distributed around first sun gear 12 with first sun gear 12 as the center. The end of first rotating seat 11 close to first planetary gears 13 is convex with three connecting shafts, and the connecting shafts are connected with the wheel shafts of first planetary gears 13, so that first rotating seat 11 rotates together with first planetary gears 13 when first planetary gears 13 rotate. First sun gear 12 and first planetary gears 13 cooperate to realize first-stage speed reduction.
[0029] The speed reduction mechanism of the fruit tree girdling machine in the utility model increases the torque and reduces the speed by setting speed reduction assembly 1, so that the speed of the transmission assembly is smaller, and the trunk girdling can be more stable.
[0030] Optionally, the speed reduction assembly 1 further comprises a second rotating seat 14 and a plurality of second planetary gears 16, the second planetary gears 16 are connected to the second rotating seat 14 and drive the second rotating seat 14 to rotate, the first rotating seat 11 is provided with a second sun gear 15 at an end away from the first sun gear 12, the second planetary gears 16 are distributed around the second sun gear 15 and are in meshing connection with the second sun gear 15, the second planetary gears 16 are in meshing connection with the inner tooth portion 21.
[0031] As shown in Figure 2 and 3 In the embodiment, the second sun gear 15 and the first rotating seat 11 are integrally formed, and the wheel shaft of the second sun gear 15 and the wheel shaft of the first sun gear 12 are located on the same straight line. The second planetary gears 16 are three in number and are uniformly distributed around the second sun gear 15 with the second sun gear 15 as the center. When the first planetary gears 13 drive the first rotating seat 11 to rotate, the second sun gear 15 drives the second planetary gears 16 to rotate, and the second planetary gears 16 rotate around the second sun gear 15 while also rotating around the inner tooth portion 21. The second rotating seat 14 is provided with three connecting shafts at an end close to the second planetary gears 16, the connecting shafts are connected to the wheel shafts of the second planetary gears 16, and when the second planetary gears 16 rotate, the second rotating seat 14 is driven to rotate through the connecting shafts. The second sun gear 15 and the second planetary gears 16 cooperate to realize the second-stage speed reduction.
[0032] Optionally, the speed reduction assembly 1 further comprises a third rotating seat 17 and a plurality of third planetary gears 19, the third planetary gears 19 are connected to the third rotating seat 17 and drive the third rotating seat 17 to rotate, the second rotating seat 14 is provided with a third sun gear 18 at an end away from the second sun gear 15, the third planetary gears 19 are distributed around the third sun gear 18 and are in meshing connection with the third sun gear 18, and the third planetary gears 19 are in meshing connection with the inner tooth portion 21.
[0033] As shown in Figure 2 and 3As shown, in the embodiment, the third sun gear 18 is integrally formed with the second rotating seat 14, and the wheel shaft of the third sun gear 18 is located on the same straight line as the wheel shaft of the second sun gear 15. The third planetary gear 19 is three in number and is evenly distributed around the third sun gear 18 with the third sun gear 18 as the center. When the second rotating seat 14 is rotated by the second planetary gear 16, the third sun gear 18 rotates the third planetary gear 19, and the third planetary gear 19 rotates around the inner tooth part 21 while rotating around the third sun gear 18. The third rotating seat 17 is provided with three connecting shafts on one end close to the third planetary gear 19, and the connecting shafts are connected with the wheel shafts of the third planetary gear 19. When the third planetary gear 19 rotates, the third rotating seat 17 is rotated through the connecting shafts. The third sun gear 18 and the third planetary gear 19 cooperate to realize the third-stage speed reduction.
[0034] The driving member 3 is sequentially reduced in speed through the first-stage speed reduction, the second-stage speed reduction, and the third-stage speed reduction, so that the rotation speed of the transmission assembly is gradually reduced, and finally tends to be a preset value, thereby being able to more stably perform the ring cutting of the trunk.
[0035] Optionally, the transmission assembly comprises a rotating disc 8, the rotating disc 8 is provided with a tree clamping opening 81 for clamping the trunk, and the rotating disc 8 is fixedly connected with a cutting knife 82. The speed reduction assembly 1 drives the rotating disc 8 to rotate, so that the cutting knife 82 performs ring cutting on the trunk.
[0036] As shown in the drawings, Figure 7 In the embodiment, the tree clamping opening 81 is U-shaped. In operation, the fruit tree trunk is placed into the rotating disc 8 through the U-shaped tree clamping opening 81, and when the rotating disc 8 rotates, the cutting knife 82 rotates together with the rotating disc 8 to form a ring-shaped cutting track, thereby performing ring cutting on the trunk, ensuring a smooth cutting process, and improving the convenience and efficiency of operation.
[0037] Optionally, the transmission assembly comprises a first bevel gear 4, and the third rotating seat 17 is provided with a limiting hole 171, and the wheel shaft of the first bevel gear 4 is limited in the limiting hole 171, so that the third rotating seat 17 drives the first bevel gear 4 to rotate.
[0038] As shown in the drawings, Figure 2 and 3 In the embodiment, the limiting hole 171 is a waist-shaped hole, and the wheel shaft of the first bevel gear 4 is matched with the waist-shaped hole.
[0039] Optionally, the wheel shaft of the first bevel gear 4 is sleeved with a bearing 41 and a clamping ring 42, the wheel shaft of the first bevel gear 4 is recessed with a limiting groove, the clamping ring 42 is limited in the limiting groove, and the clamping ring 42 is axially limited in the bearing 41.
[0040] As shown in the drawings, Figure 2 and3 As shown, in this embodiment, there are two bearings 41. The bearings 41 are used to reduce the friction when the first bevel gear 4 rotates, so that the rotation is more stable. The retaining ring 42 is axially limited in the bearings 41, which can prevent the bearings 41 from falling off or sliding axially during rotation, so that the structure is more stable.
[0041] Optionally, the transmission assembly includes a base 9, and the left and right ends of the connecting shell 2 are respectively threaded to the base 9 and the driving component 3. The base 9 is provided with a mounting cavity, and the first bevel gear 4 is accommodated in the mounting cavity and rotates in the mounting cavity.
[0042] like Figure 7 As shown, in this embodiment, the lower end of the mounting cavity is provided with an opening, and the protruding teeth at the lower end of the first bevel gear 4 extend out of the opening and mesh with the second bevel gear 5.
[0043] Optionally, the transmission assembly includes a second bevel gear 5, a driving wheel 6, and a first driven wheel 7. The first bevel gear 4 and the second bevel gear 5 are meshed together, the driving wheel 6 and the second bevel gear 5 are coaxially connected, and the first driven wheel 7 and the driving wheel 6 are driven together.
[0044] like Figure 6 and 7 As shown, in this embodiment, there are two first driven wheels 7, distributed on both sides of the driving wheel 6. The first driven wheels 7 mesh with the rotating disk 8 and drive the rotating disk 8 to rotate. The first bevel gear 4 changes the direction of power transmission through the cooperation of the second bevel gear 5, thereby driving the driving wheel 6 to rotate. The first driven wheels 7 evenly distribute the power transmitted by the driving wheel 6, effectively reducing the eccentric load phenomenon caused by uneven force on one side of the rotating disk 8, thus avoiding the offset or irregular movement caused by excessive force on one side during the ring cutting process, making the ring cutting line more uniform; at the same time, it avoids vibration or wear problems caused by eccentric load, improving the balance and stability of the equipment operation.
[0045] like Figure 5 As shown, optionally, the driving component 3 includes a driving shaft 31, the driving shaft 31 is provided with a non-circular connecting part 311, and the first sun gear 12 is provided with a connecting hole 121 adapted to the connecting part 311, so that the driving component 3 drives the first sun gear 12 to rotate.
[0046] Another embodiment of this utility model provides a fruit tree girdling machine, including the reduction mechanism of the fruit tree girdling machine as described above.
[0047] Although the present disclosure discloses as above, the protection scope of the present disclosure is not limited to this. The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of the present disclosure.
Claims
1. A reduction mechanism for a fruit tree girdling machine, characterized in that, The assembly includes a drive unit (3), a reduction gear assembly (1), a connecting shell (2), and a transmission assembly. The reduction gear assembly (1) is housed in the connecting shell (2) and rotates within the connecting shell (2). The reduction gear assembly (1) includes a first rotating seat (11), a first sun gear (12), and a plurality of first planetary gears (13). The drive unit (3) is connected to the first sun gear (12) and drives the first sun gear (12) to rotate. The first planetary gears (13) are distributed around the first sun gear (12) and mesh with the first sun gear (12). The first planetary gears (13) are connected to the first rotating seat (11) and drive the first rotating seat (11) to rotate. The inner wall of the connecting shell (2) is provided with an internal tooth portion (21). The first planetary gears (13) and the internal tooth portion (21) are meshed together. The first rotating seat (11) is connected to the transmission assembly and drives the transmission assembly to rotate, thereby increasing the torque and decreasing the rotation speed.
2. The reduction mechanism of the fruit tree girdling machine according to claim 1, characterized in that, The deceleration assembly (1) further includes a second rotating seat (14) and a plurality of second planetary gears (16). The second planetary gears (16) are connected to the second rotating seat (14) and drive the second rotating seat (14) to rotate. A second sun gear (15) is protruding from one end of the first rotating seat (11) away from the first sun gear (12). The second planetary gears (16) are distributed around the second sun gear (15) and mesh with the second sun gear (15). The second planetary gears (16) are meshed with the internal gear (21).
3. The reduction mechanism of the fruit tree girdling machine according to claim 2, characterized in that, The deceleration assembly (1) further includes a third rotating seat (17) and a plurality of third planetary gears (19). The third planetary gears (19) are connected to the third rotating seat (17) and drive the third rotating seat (17) to rotate. The second rotating seat (14) has a third sun gear (18) protruding from one end away from the second sun gear (15). The third planetary gears (19) are distributed around the third sun gear (18) and mesh with the third sun gear (18). The third planetary gears (19) are meshed with the internal gear (21).
4. The reduction mechanism of the fruit tree girdling machine according to claim 3, characterized in that, The transmission assembly includes a first bevel gear (4), and the third rotating seat (17) is provided with a limiting hole (171). The axle of the first bevel gear (4) is limited in the limiting hole (171) so that the third rotating seat (17) drives the first bevel gear (4) to rotate.
5. The reduction mechanism of the fruit tree girdling machine according to claim 4, characterized in that, The first bevel gear (4) is fitted with a bearing (41) and a retaining ring (42) on its axle. The first bevel gear (4) is recessed with a limiting groove. The retaining ring (42) is located in the limiting groove and is axially limited to the bearing (41).
6. The reduction mechanism of the fruit tree girdling machine according to claim 4, characterized in that, The transmission assembly includes a base (9), and the left and right ends of the connecting shell (2) are threadedly connected to the base (9) and the driving member (3) respectively. The base (9) is provided with a mounting cavity, and the first bevel gear (4) is accommodated in the mounting cavity and rotates in the mounting cavity.
7. The reduction mechanism of the fruit tree girdling machine according to claim 4, characterized in that, The transmission assembly includes a second bevel gear (5), a driving gear (6), and a first driven gear (7). The first bevel gear (4) and the second bevel gear (5) are meshed together. The driving gear (6) and the second bevel gear (5) are coaxially connected. The first driven gear (7) and the driving gear (6) are connected in a transmission manner.
8. The reduction mechanism of the fruit tree girdling machine according to claim 1, characterized in that, The driving component (3) includes a driving shaft (31), on which a non-circular connecting part (311) is provided, and the first sun gear (12) is provided with a connecting hole (121) that is adapted to the connecting part (311), so that the driving component (3) drives the first sun gear (12) to rotate.
9. The reduction mechanism of the fruit tree girdling machine according to any one of claims 1-8, characterized in that, The transmission assembly includes a rotating disk (8), which has a clamping opening (81) for clamping the tree trunk. A cutting blade (82) is fixedly connected to the rotating disk (8). The deceleration assembly (1) drives the rotating disk (8) to rotate so that the cutting blade (82) can cut the tree trunk.
10. A fruit tree girdling machine, characterized in that, Includes the reduction mechanism of the fruit tree girder as described in any one of claims 1-9.