Forest fruit stumping and pruning equipment

Abstract

The utility model discloses stumping and pruning equipment for forest fruits, which belongs to the technical field of agricultural machinery and comprises a support arm, a carrier connecting mechanism, a support, a hinged support, an overturning seat, a saw blade mounting frame, a saw blade, a rotary driving mechanism and a branch shifting rod. And the shifting rotating unit is used for driving the branch shifting rod to rotate. According to the forest fruit branch cutting device, by arranging the branch shifting rod, after the forest fruit branches are cut off by the saw blade, the forest fruit branches make contact with the branch shifting rod, the branch shifting rod is in a rotating state, and then the branch shifting rod and the surfaces of the forest fruit branches rotate relatively; the forest and fruit tree branches move backwards in the moving direction of the saw blades under the action of friction force generated by rotation of the tree branch shifting rods on the surfaces of the forest and fruit tree branches, so that the forest and fruit tree branches are far away from the saw blades, the forest and fruit tree branches cannot be seized by the two adjacent saw blades, and the phenomenon that the saw blades are fractured and splashed due to uneven stress is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of agricultural machinery technology, specifically relating to a fruit and forest pruning equipment. Background Technology

[0002] A coppicing machine is a type of machinery used in agriculture and forestry, mainly for pruning and harvesting shrubs, fruit trees, or other plants. When pruning fruit tree branches, existing coppicing machines rely on the rotation of the saw blade to cut the branches. After being cut off by the saw blade, most of the upper part of the branches falls onto the saw blade due to its own weight. Since the coppicing machine is constantly moving, the cut fruit tree branches will fall off the saw blade due to inertia.

[0003] However, if the fruit tree branches fall in a special position after being cut by the saw blade, such as falling right between two adjacent saw blades, the branches may get stuck between the two blades. This could cause the two blades to seize the branches, preventing them from rotating properly. In severe cases, uneven force on the blades could lead to breakage and fragmentation, creating safety hazards and increasing the frequency of blade replacement, thus affecting work efficiency. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a forest and fruit coppicing pruning equipment.

[0005] The technical solution adopted to solve the above-mentioned technical problems is: a forest and fruit coppicing pruning equipment, comprising:

[0006] The support arm and the carrier connection mechanism fixed to the outer wall of the support arm;

[0007] A support is connected to one end of the support arm, and a hinge is connected to the top of the support;

[0008] A rotating seat is rotatably connected to the hinge seat, and a saw blade mounting bracket is fixedly connected to one end of the rotating seat;

[0009] Multiple saw blades are rotatably connected to the saw blade mounting frame along the length of the saw blade mounting frame;

[0010] A rotary drive mechanism mounted on the support arm for driving the rotation of multiple saw blades, wherein the rotation directions of two adjacent saw blades are opposite;

[0011] Rotate the branch lever connected to the flip base. The flip base is equipped with a toggle rotation unit, which is used to drive the branch lever to rotate.

[0012] Furthermore, the vehicle connection mechanism includes two connecting frames vertically welded to the side wall of the support arm, and each of the outer walls on opposite sides of the two connecting frames is connected to a hanger, with the upper ends of the two hangers arranged in a mutually converging pattern.

[0013] Furthermore, after the saw blade mounting bracket is flipped to a horizontal position, the saw blade is located below the saw blade mounting bracket.

[0014] Furthermore, a saw blade protective stop bar is fixedly connected to the end of the saw blade mounting bracket away from the support arm.

[0015] Furthermore, the rotary drive mechanism includes a pulley mounting bracket connected to the support arm, a first pulley rotatably connected to the pulley mounting bracket, a second pulley rotatably connected to the tilting seat via a first rotating shaft, the first pulley and the second pulley being connected by a V-belt drive, and after the saw blade mounting bracket is tilted to a horizontal state, the V-belt is in a tensioned state, the saw blade is rotatably connected to the saw blade mounting bracket via a second rotating shaft, a first gear is fixedly sleeved on the periphery of each of the second rotating shafts, multiple sets of second gears are rotatably connected to the saw blade mounting bracket, each set of second gears consists of two gears and is located between two adjacent first gears, the two second gears in each set mesh with each other and with the adjacent first gear, a third rotating shaft is rotatably connected to the tilting seat, a first bevel gear is fixedly sleeved on the upper end of the third rotating shaft, a second bevel gear is fixedly sleeved on the periphery of the first rotating shaft, the first bevel gear and the second bevel gear mesh, and the lower end of the third rotating shaft is connected to an adjacent first gear via multiple third gear drives.

[0016] Furthermore, the saw blade mounting frame has a recessed mounting cavity on its surface, and the first gear, the second gear and the third gear are distributed in the mounting cavity. The outer wall of the saw blade mounting frame is also connected to a cover plate, which is used to close the mounting cavity. The outer wall of the cover plate has a through hole for the second rotating shaft to pass through freely.

[0017] Furthermore, the actuating rotation unit includes a third bevel gear fixedly sleeved on one end of the branch lever, the third bevel gear meshing with the second bevel gear.

[0018] Furthermore, a plurality of actuating protrusions are fixedly connected to the periphery of the branch lever, and the length direction of the actuating protrusions is parallel to the axial direction of the branch lever.

[0019] Furthermore, the end of the saw blade mounting bracket away from the flipping seat is connected to a support base, and the end of the branch lever away from the flipping seat is rotatably connected to the support base.

[0020] Furthermore, a movable hinge is rotatably connected to one side of the support arm, a hydraulic cylinder is installed on the outer wall of the movable hinge, a movable block is fixedly connected to the output end of the hydraulic cylinder, and the movable block is hinged to the outer wall of the saw blade mounting frame.

[0021] The beneficial effects of this utility model are as follows:

[0022] (1) In this utility model, by setting a branch lever, after the saw blade cuts the fruit tree branch, the fruit tree branch will contact the branch lever. The branch lever is in a rotating state, which causes the branch lever and the surface of the fruit tree branch to rotate relative to each other. As a result, the fruit tree branch will move backward in the direction of the saw blade under the friction force generated by the rotation of the branch lever, which will cause the fruit tree branch to move away from the saw blade. This prevents the fruit tree branch from being stuck by two adjacent saw blades, thereby reducing the phenomenon of the saw blade breaking and splashing due to uneven force and reducing the frequency of saw blade replacement.

[0023] (2) In this utility model, the saw blade is installed below the saw blade mounting frame, which reduces the contact between the fruit tree branches and the saw blade after they are cut off, thereby further reducing the contact between the cut fruit tree branches and the saw blade.

[0024] (3) In this utility model, the output end of the hydraulic cylinder drives the movable block to move, so that the movable block can drive the saw blade mounting frame to flip, thereby allowing the saw blade mounting frame to swing to a vertical state during non-working time, reducing the space occupied and making it easier to store. In addition, the hydraulic cylinder can also drive the saw blade mounting frame to flip to different angles to meet the needs of cutting forest and fruit tree branches at different angles. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of a forest and fruit pruning equipment according to this utility model;

[0026] Figure 2 yes Figure 1 Enlarged schematic diagram of the local structure at point A;

[0027] Figure 3 yes Figure 1 A diagram illustrating the positional relationships from a first-person perspective.

[0028] Figure 4 yes Figure 3 Enlarged schematic diagram of the local structure at point B;

[0029] Figure 5 yes Figure 1 A diagram illustrating the positional relationships from a second-person perspective;

[0030] Figure 6 yes Figure 5 A schematic diagram showing the positional relationship after omitting the cover plate.

[0031] Reference numerals: 1. Connecting frame; 2. Support arm; 3. Hanger; 4. Hinge seat; 5. Support; 6. Tilting seat; 7. Branch lever; 8. Saw blade guard bar; 9. Saw blade; 10. Saw blade mounting bracket; 11. Movable block; 12. Hydraulic cylinder; 13. Movable hinge seat; 14. Support seat; 15. Actuating convex strip; 16. First bevel gear; 17. Second bevel gear; 18. Third bevel gear; 19. First rotating shaft; 20. Cover plate; 21. First gear; 22. Second gear; 23. Third gear. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0033] like Figures 1-6 As shown, this embodiment provides a fruit tree coppicing pruning equipment, including a support arm 2. Connecting frames 1 are horizontally welded to the side walls at both ends of the support arm 2 along its length. The connecting frames 1 extend horizontally away from the support arm 2. The ends of the other two connecting frames 1 away from the support arm 2 are connected to pin holes on an external carrier through a first pin shaft, so that the connecting frames 1 are connected to the external carrier. Hangers 3 are connected to the opposite sides of the two connecting frames 1. The upper ends of the hangers 3 extend upward at an angle and the upper ends of the two hangers 3 are close to each other and are connected together by a second pin shaft. The second pin shaft is connected to other pin holes on the external carrier, thereby connecting the support arm 2 and the external carrier. Since it is a three-point connection, the support arm 2 can be connected to the external carrier relatively stably.

[0034] A support 5 is welded to one end of the support arm 2. A hinge 4 is connected to the top of the support 5. A tilting seat 6 is rotatably connected to the hinge 4 via a pivot. A saw blade mounting bracket 10 is welded to the end of the tilting seat 6 away from the hinge 4. The saw blade mounting bracket 10 extends away from the tilting seat 6, and a support plate is welded to the end of the saw blade mounting bracket 10 near the tilting seat 6. A support pivot is welded to the support plate. A movable hinge 13 is rotatably connected to the support arm 2. A hydraulic cylinder 12 is screwed to the outer wall of the movable hinge 13. A movable block 11 is fixed to the output end of the hydraulic cylinder 12. A sleeve hole is opened on the surface of the movable block 11 to allow the support pivot to pass freely. The supporting pivot can rotate freely in the sleeve hole, so that the movable block 11 is hinged to the outer wall of the saw blade mounting frame 10. The output end of the hydraulic cylinder 12 extends and retracts, thereby driving the movable block 11 to reciprocate. When the movable block 11 reciprocates, it will drive the saw blade mounting frame 10 to rotate along the rotation fulcrum of the flip seat 6 on the hinge seat 4, so that the saw blade mounting frame 10 can rotate from the vertical state to the horizontal state. When the saw blade mounting frame 10 rotates to the vertical state, it is convenient to store the saw blade mounting frame 10. When the saw blade mounting frame 10 rotates to the horizontal state, the saw blade mounting frame 10 is in the working state.

[0035] A pulley mounting bracket is connected to the support arm 2. A first pulley is rotatably connected to the pulley mounting bracket via a bearing. A first rotating shaft 19 is rotatably connected to the surface of the tilting seat 6. A second pulley is fixedly sleeved at one end of the first rotating shaft 19 that extends out of the tilting seat 6. The first pulley and the second pulley are connected by a V-belt drive. When the saw blade mounting bracket 10 is tilted to a horizontal position, the V-belt is in a tensioned state. Four second rotating shafts are rotatably connected to the surface of the saw blade mounting bracket 10 via mounting bearings. The bottom surface of the saw blade mounting bracket 10 after being tilted to a horizontal position has a recessed mounting cavity, and a cover plate 20 for closing the mounting cavity is detachably connected to the bottom surface. The second rotating shafts pass through the mounting... A first gear 21 is fixedly fitted onto one end of the cavity. A through hole is provided on the surface of the cover plate 20 for the free passage of a second rotating shaft. A saw blade 9 is fixedly installed at one end of the second rotating shaft extending out of the cover plate 20. Three sets of second gears 22 are rotatably connected within the mounting cavity via a mounting rotating shaft. Each set of second gears 22 is positioned between two adjacent first gears 21, and each set contains two second gears 22 in a meshing state. Furthermore, each set of two second gears 22 meshes with an adjacent first gear 21, allowing adjacent first gears 21 to rotate synchronously in opposite directions. A third rotating shaft is rotatably connected to the tilting seat 6 via a mounting bearing. A first bevel gear 16 is fixedly fitted onto the upper end of the three rotating shafts. A second bevel gear 17 is fixedly fitted onto the periphery of the first rotating shaft 19. The first bevel gear 16 and the second bevel gear 17 mesh. The lower end of the third rotating shaft is connected to an adjacent first gear 21 via multiple third gears 23. Specifically, there are three third gears 23. One is fixedly fitted onto the lower end of the third rotating shaft, and the other two third gears 23 are rotatably connected to the saw blade mounting frame 10 along its length and are in a meshing state. The three third gears 23 are arranged in a line, and adjacent third gears 23 are in a meshing state, with the gear closest to the first gear 21 being meshed. A third gear 23 meshes with the first gear 21, so that when the third shaft rotates, it will drive the third gear 23 to rotate. Through the meshing transmission of the two third gears 23 and the meshing transmission of the third gear 23 and the first gear 21, it will drive one of the first gears 21 near the flipping seat 6 to rotate. Then, through the meshing transmission of the second gear 22 and the first gear 21 and the meshing transmission of the two first gears 21 in each group, the four saw blades 9 can rotate, and the rotation directions of two adjacent saw blades 9 are opposite. In addition, after the saw blade mounting bracket 10 is flipped to the horizontal state, the four saw blades 9 are located below the saw blade mounting bracket 10.

[0036] A saw blade protection bar 8 is fixedly connected to one end of the saw blade mounting bracket 10 away from the support arm 2. The saw blade protection bar 8 is T-shaped and is used to protect the saw blade 9 located on the edge side of the saw blade mounting bracket 10. This can prevent the saw blade 9 located on the edge side of the saw blade mounting bracket 10 from contacting external objects when the saw blade mounting bracket 10 is flipped from a vertical state to a horizontal state.

[0037] A support base 14 is fixedly connected to the end of the saw blade mounting bracket 10 away from the tilting seat 6. A branch lever 7 is rotatably connected to both the support base 14 and the tilting seat 6 via bearings. The axial direction of the branch lever 7 is parallel to the length direction of the saw blade mounting bracket 10. Furthermore, the branch lever 7 is located above the saw blade mounting bracket 10 (after tilting to a horizontal position). At this time, the saw blade mounting bracket 10 is positioned between the saw blade 9 and the branch lever 7. A third bevel gear 18 is fixedly sleeved at one end of the branch lever 7 that passes through the tilting seat 6. The third bevel gear 18 meshes with the second bevel gear 17. Thus, when the third bevel gear 17... When the shaft 19 rotates, it will drive the first bevel gear 16 and the second bevel gear 17 to mesh, and then drive the third bevel gear 18 to mesh with the second bevel gear 17, thereby driving the branch lever 7 to rotate. When the branch lever 7 rotates, it can push away the fruit tree branches that have fallen onto the surface of the branch lever 7. In addition, multiple actuating protrusions 15 are fixed around the periphery of the branch lever 7. The length direction of the actuating protrusions 15 is parallel to the axial direction of the branch lever 7. This makes the actuating protrusions 15 have a large friction force on the surface of the fruit tree branches, so that the fruit tree branches can be pushed away relatively smoothly.

[0038] The working principle of this embodiment is as follows:

[0039] The support arm 2 is connected to an external vehicle (such as a tractor). The drive shaft on the vehicle drives the first pulley to rotate (the first pulley is rotatably connected to the pulley mounting bracket via a drive shaft, and the drive shaft is connected to the drive shaft on the external vehicle via a universal coupling). The rotation of the first pulley will drive the second pulley to rotate. When the second pulley rotates, it will drive the first rotating shaft 19 to rotate. When the first rotating shaft 19 rotates, it will cause the second bevel gear 17 to mesh with the first bevel gear 16, thereby driving the first bevel gear 16 to rotate. Then, through the meshing transmission between the third gear 23, the second gear 22 and the first gear 21, it can drive the four saw blades 9 to rotate. The external vehicle moves, thereby driving the support arm 2 to move, so that the saw blades 9 can cut the branches of the forest and fruit trees.

[0040] The cut fruit tree branches fall onto the top of the saw blade mounting frame 10 and onto the branch lever 7. As the second bevel gear 17 rotates, it is driven by the meshing of the third bevel gear 18 with the second bevel gear 17, thus driving the branch lever 7 to rotate (see reference). Figure 1When the saw blade mounting bracket 10 moves from left to right, the rotation direction of the branch lever 7 (viewed from the left side, it will be counterclockwise) is as follows: When the branch lever 7 rotates, the actuating protrusion 15 on its surface has a large squeezing friction with the surface of the fruit tree branch. Since the fruit tree branch is usually light, the actuating protrusion 15 can push the fruit tree branch away, so that the fruit tree branch moves backward in the direction of movement of the saw blade mounting bracket 10, thereby reducing the contact between the fruit tree branch and the saw blade 9 and preventing the fruit tree branch from getting stuck between two adjacent saw blades 9.

[0041] The above are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model.

Claims

1. A tree pruning equipment, characterized in that, include: Support arm (2) and a vehicle connection mechanism fixed to the outer wall of the support arm (2); A support (5) is connected to one end of the support arm (2), and a hinge (4) is connected to the top of the support (5); A rotating seat (6) is rotatably connected to the hinge seat (4), and a saw blade mounting bracket (10) is fixedly connected to one end of the rotating seat (6); Multiple saw blades (9) are rotatably connected to the saw blade mounting frame (10) along the length of the saw blade mounting frame (10); A rotary drive mechanism is provided on the support arm (2) for driving the rotation of multiple saw blades (9), wherein the rotation directions of two adjacent saw blades (9) are opposite; Rotate the branch lever (7) connected to the flip base (6). The flip base (6) is provided with a toggle rotation unit, which is used to drive the branch lever (7) to rotate.

2. The fruit tree pollard pruning apparatus according to claim 1, characterized by, The vehicle connection mechanism includes two connecting frames (1) vertically welded to the side wall of the support arm (2). Each of the two connecting frames (1) has a hanger (3) connected to the outer wall on the opposite side. The upper ends of the two hangers (3) are arranged close to each other.

3. The fruit tree pollard pruning apparatus according to claim 1, characterized by, After the saw blade mounting bracket (10) is flipped to a horizontal position, the saw blade (9) is located below the saw blade mounting bracket (10).

4. The fruit tree pollard pruning apparatus according to claim 1, characterized by, A saw blade guard bar (8) is fixedly connected to one end of the saw blade mounting bracket (10) away from the support arm (2).

5. The fruit tree pollard pruning apparatus according to claim 1, wherein The rotary drive mechanism includes a pulley mounting bracket connected to the support arm (2). A first pulley is rotatably connected to the pulley mounting bracket. A second pulley is rotatably connected to the tilting seat (6) via a first rotating shaft (19). The first pulley and the second pulley are connected by a V-belt drive. When the saw blade mounting bracket (10) is tilted to a horizontal state, the V-belt is in a tensioned state. The saw blade (9) is rotatably connected to the saw blade mounting bracket (10) via a second rotating shaft. A first gear (21) is fixedly sleeved on the periphery of the second rotating shaft. Multiple sets of second gears (22) are rotatably connected to the saw blade mounting bracket (10). Each group of two second gears (22) is located between two adjacent first gears (21). The two second gears (22) in each group mesh with each other and with the adjacent first gear (21). A third rotating shaft is rotatably connected to the flipping seat (6). A first bevel gear (16) is fixedly sleeved on the upper end of the third rotating shaft. A second bevel gear (17) is fixedly sleeved on the periphery of the first rotating shaft (19). The first bevel gear (16) and the second bevel gear (17) mesh. The lower end of the third rotating shaft is connected to an adjacent first gear (21) through a plurality of third gears (23).

6. The fruit tree pollard pruning apparatus according to claim 5, characterized in that, The saw blade mounting bracket (10) has a recessed mounting cavity on its surface. The first gear (21), the second gear (22) and the third gear (23) are distributed in the mounting cavity. The outer wall of the saw blade mounting bracket (10) is also connected to a cover plate (20). The cover plate (20) is used to close the mounting cavity. The outer wall of the cover plate (20) has a through hole for the second rotating shaft to pass through freely.

7. The fruit tree pollard pruning apparatus according to claim 5, wherein The actuating and rotating unit includes a third bevel gear (18) fixedly sleeved on one end of the branch lever (7), and the third bevel gear (18) meshes with the second bevel gear (17).

8. The orchard coppicing pruning equipment according to claim 1, characterized in that, The tree branch lever (7) has multiple actuating protrusions (15) fixedly connected to its periphery, and the length direction of the actuating protrusions (15) is parallel to the axial direction of the tree branch lever (7).

9. The fruit tree pollard pruning apparatus according to claim 1, wherein The saw blade mounting bracket (10) is connected to a support base (14) at the end away from the flipping seat (6), and the branch lever (7) is rotatably connected to the support base (14) at the end away from the flipping seat (6).

10. The fruit tree pollard pruning apparatus according to claim 1, characterized in that, The support arm (2) is rotatably connected to a movable hinge seat (13) on one side. A hydraulic cylinder (12) is installed on the outer wall of the movable hinge seat (13). A movable block (11) is fixedly connected to the output end of the hydraulic cylinder (12). The movable block (11) is hinged to the outer wall of the saw blade mounting frame (10).

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