CN113439599A - Regeneration and rejuvenation pruning method and pruning tool for baby branches of chestnut trees - Google Patents
Regeneration and rejuvenation pruning method and pruning tool for baby branches of chestnut trees Download PDFInfo
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- 238000013138 pruning Methods 0.000 title claims abstract description 44
- 241001070941 Castanea Species 0.000 title claims abstract description 37
- 235000014036 Castanea Nutrition 0.000 title claims abstract description 37
- 230000008929 regeneration Effects 0.000 title claims abstract description 26
- 238000011069 regeneration method Methods 0.000 title claims abstract description 26
- 230000003716 rejuvenation Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 18
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 31
- 241000422846 Sequoiadendron giganteum Species 0.000 claims description 24
- 238000011084 recovery Methods 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 6
- 206010000234 Abortion spontaneous Diseases 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 208000015994 miscarriage Diseases 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000004904 shortening Methods 0.000 claims description 3
- 208000000995 spontaneous abortion Diseases 0.000 claims description 3
- 230000004936 stimulating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 description 15
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/083—Manual pruning saws
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The application relates to a regeneration and rejuvenation pruning method for baby branches of chestnut trees and a pruning tool thereof, relating to the technical field of fruit tree pruning. The chestnut tree pruning method is simple and detailed in setting steps and convenient to operate, chestnut farmers can learn and operate correctly and practically conveniently, damage to chestnut trees is avoided on the premise that yield increase and effect improvement are guaranteed, high yield of chestnuts in successive years is guaranteed, and revenues are created.
Description
Technical Field
The application relates to the field of fruit tree pruning, in particular to a regeneration and rejuvenation pruning method and a pruning tool for baby branches of a chestnut tree.
Background
The chestnut child branches are divided into vain-growing child branches and fruit child branches, the vain-growing child branches grow on the base parts of the bone stem branches, internodes of the vain-growing child branches grow, buds of the vain-growing child branches shrink, and the fruit branches are not easy to fruit. The fruit baby branches grow on the middle upper parts of the skeletal stem branches, the development is full, and the fruit bearing is easy, so that the unnecessary growth baby branches need to be trimmed in the growth process of the Chinese chestnut trees to achieve the purpose of increasing the yield and improving the effect.
However, the existing pruning technology has a plurality of difficulties, and the chestnut farmers cannot easily master the teaching notes of the death board. When the branches of the baby trees are trimmed, once chestnut farmers have misoperation, the operation is very likely to be answered, so that the purpose of increasing yield and improving effect cannot be achieved, and the chestnut trees are damaged to be improved.
Disclosure of Invention
In order to facilitate chestnut farmers to study and operate and promote rejuvenation and updating of chestnut gardens, the application aims to provide a baby branch regeneration rejuvenation pruning method of chestnut trees.
The regeneration rejuvenation pruning method for the branch of the chestnut tree adopts the following technical scheme:
a regeneration, rejuvenation, updating and pruning method for baby branches of chestnut trees is characterized by comprising the following steps:
1. close planting garden whole garden retraction updating
(1) Lowering the head of the pre-cut tree from top to bottom once to remove the branches with the top end blocking light,
(2) each tree selects 3-5 strong big branches as main branches according to the tree vigor and the upper and lower staggered arrangement according to different directions and angles, other branches are pruned by utilizing a pruning tool,
(3) synchronously shortening each selected and remained big branch into 3-4 side branch piles which are staggered up and down, wherein the length of each branch pile is 50-100cm, and stimulating the hidden buds at each position to germinate and promote the child branches;
2. regeneration of close planting garden with yield recovery
(1) 3-5 big branches which are staggered up and down are respectively selected and reserved for pre-pruning, other branches are pruned by utilizing a pruning tool,
(2) selecting and reserving 2 side branches with branch heads at the middle part and the middle upper part as a result branch group, selecting and reserving a strong mother branch for result, wherein other side branches can be staggered up and down according to different directions and are cut back into branch piles, the length of each branch pile is 40-60cm, 1-2 branch sections containing hidden buds are ensured to be the main branch heads, and other redundant branches are cut off;
3. big tree with yield recovery updating
(1) According to the strength of the big tree, the height of the big tree is reduced and the head of the big tree is cut off, a part of big branches is cut off, one third of the strong tree is cut off and two thirds of the strong tree are left, one half of the weak tree is cut off and one half of the weak tree is left,
(2) the strong and vigorous big tree properly slightly shrinks growth promoting child branches according to each big main branch selected and reserved after the strong and vigorous big tree is high, and strong mother branches are selected and reserved for bearing,
(3) the big trees with weak growth vigor can respectively continue to carry out re-shrinking updating according to the big branches selected and left after the height is reduced and the head falls, a part of big branch groups are cut off, a large number of young branches are promoted to grow, and strong mother branches are selected and left for the left big branch groups;
4. changing and replacing wheel for baby branch
(1) When the next spring is cut, weak branches of the sprouting child branches of the renewal trees in the whole dense planting garden are removed, strong branches are left, more strong child branches are left after proper miscarriage, and the fruit is thrown and put,
(2) for the updated trees with the yield in the close planting garden and the updated trees with the yield in the big tree, the weak, strong, properly-staggered and multiple strong baby branches are still removed in spring pruning in the next year, the robust baby branches are selected and thrown to bear the fruit, the branch heads which have the fruit in the last year are all pruned except all the germinated baby branches,
(3) cutting in spring in the third year, keeping half of the child branches selected in the last year, throwing and placing the fruits continuously without trimming, keeping 3cm of the root of the newly-bred child branches in the other half, preparing for exchanging the fruits in the next year,
(4) shearing in spring in the fourth year, continuing selecting and remaining strong baby branches, retracting branches which are thrown and placed in the last year, remaining 3cm of roots to be thrown for updating,
(5) and (4) cutting in spring in the fifth year, continuously selecting and reserving robust baby branches, throwing the fruits, and then cutting short and putting long mother branches of the fruits on the baby branches thrown and put the fruits in the last year.
By adopting the technical scheme, the steps are concise and detailed, and the trimming method is convenient to operate, so that chestnut farmers can conveniently learn and correctly and practically operate, the chestnut trees cannot be damaged on the premise of ensuring yield increase and effect improvement, the annual high yield of chestnuts is ensured, and revenues are created.
In order to realize the high-efficient truncation of chinese chestnut branch, another purpose of this application provides the clipper that the child branch regeneration of chinese chestnut tree is rejuvenated.
The application provides a clipper that child branch regeneration of chestnut tree is rejuvenated adopts following technical scheme:
the utility model provides a clipper that child branch regeneration of chestnut tree is rejuvenated, includes bracing piece and handsaw, the bracing piece level sets up, and the tail end is buckled downwards and is provided with the handle, the both sides of bracing piece are all vertical to be provided with the couple, the couple be used for the tight branch of hook wait to cut the both sides of position, and with the vertical sliding connection of bracing piece, and be provided with the drive on the bracing piece the actuating mechanism that the couple slided in step.
Through adopting above-mentioned technical scheme, when cuting thicker branch, contradict the truncation department of branch with the bracing piece to make a pair of couple hook tight branch need cut the both sides of position. Utilize the handsaw to cut the branch afterwards to when cutting, utilize actuating mechanism control couple downstream, and exert the effort to the branch, thereby make the incision that cuts the position be the flaring form, avoid appearing pressing from both sides the saw phenomenon, guarantee the smooth cutting of handsaw, improve the efficiency of cutting of branch.
Optionally, the driving mechanism comprises a rotating shaft and driving gears, the rotating shaft is horizontally arranged and arranged on the driving gears at two ends of the rotating shaft, the rotating shaft penetrates through the supporting rod, the driving gears are located on two sides of the supporting rod, a driving rack meshed with the driving gears is arranged on the side wall of the hook, and the supporting rod is provided with a control mechanism for controlling the rotating shaft to rotate.
By adopting the technical scheme, when the control hook is lifted, the control mechanism is utilized to control the rotating shaft to rotate forwards or reversely, and the rotating shaft is utilized to drive the driving gear to rotate synchronously. Meanwhile, the driving gear drives the driving rack and the hook to move synchronously so as to realize the lifting control of the hook. Therefore, the stable control of the hook lifting process is realized by the driving mechanism which is simple in structure and stable in work.
Optionally, the pivot is located the rear of couple, the drive rack is located the couple is close to one side of handle, control mechanism includes control rack and control gear, control rack level set up in under the bracing piece terminal surface and with bracing piece horizontal sliding connection, the control gear is located the middle part position of pivot, and with control rack meshes mutually, and the lower terminal surface of control rack is provided with the trigger.
Through adopting above-mentioned technical scheme, when the control pivot was rotatory, grip the handle to trigger backward movement, the trigger drove control rack synchronous motion this moment, and control rack drives control gear and pivot synchronous revolution, and realize the control of couple downstream. Therefore, the hook lifting mechanism is simple in structure and convenient to operate, and the hook lifting movement is convenient and fast to control.
Optionally, the dorsal part level of trigger is provided with and runs through the pull rod of handle, the pull rod deviates from the one end of trigger is buckled downwards and is provided with the shelves pole, the dorsal part of handle is provided with the helping hand board, the upper end of helping hand board is outwards buckled and is provided with the conflict helping hand pole of shelves pole, and the position of buckling of helping hand board with the handle is articulated mutually.
Through adopting above-mentioned technical scheme, when the branch that needs to cut is thick, be close to the handle through pressing the helping hand board to utilize the principle control helping hand pole of lever to move backward. The helping hand pole promotes the shelves pole afterwards and drives the synchronous backward motion of pull rod to realize the control of retreating of trigger, thereby realize the laborsaving control of couple downstream, conveniently cut the branch, realize the high efficiency of branch and cut.
Optionally, the upper end of the boosting rod is horizontally and rotatably connected with a roller.
Through adopting above-mentioned technical scheme, reduce the frictional force between helping hand pole and the baffle through setting up the gyro wheel, make the motion process between them more smooth.
Optionally, the back side of the handle is vertically and slidably connected with an insertion rod, the insertion rod is located above the pull rod, and a plurality of slots for the insertion rod to be inserted are formed in the upper end face of the pull rod at intervals.
Through adopting above-mentioned technical scheme, after the pull rod moves back, can utilize the inserted bar to peg graft the slot, realize the fixed of pull rod to realize the locking of couple position, consequently when cuting the branch, need not always to the trigger application of force, thereby realize the laborsaving of branch and cut.
Optionally, an elastic reset mechanism is arranged between the inserted link and the handle, a circular arc-shaped guide surface is arranged at the lower end of the inserted link, and the guide surface is located on one side of the handle, which is attached to the inserted link.
By adopting the technical scheme, when the pull rod moves backwards, the pull rod automatically drives the insertion rod to move upwards under the action of the guide surface at the lower end of the insertion rod, and automatic unlocking is realized. When the inserted bar aims at the slot, the inserted bar is inserted into the slot under the elastic action of the elastic reset mechanism to realize automatic locking, so that the pull rod is automatically locked, and the effects of convenient operation and convenient cut-off are achieved.
Optionally, a sliding hole is horizontally arranged at the position of the saw blade of the handsaw along the length direction of the handsaw, a pair of supports is vertically arranged at the front end of the support rod, the saw blade of the handsaw is located between the pair of supports, and a sliding rod which traverses the sliding hole is horizontally arranged between the upper ends of the pair of supports.
Through adopting above-mentioned technical scheme, when using the handsaw, the upset of drive handsaw makes the handsaw conflict branch, then utilizes the cooperation of slide bar and sliding hole, can the pull handsaw realize cutting of branch. Therefore, the combined sliding rod and the handsaw are arranged, so that the assembly of the sliding rod and the handsaw is realized, and the pruning tool is convenient to carry and transport.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the trimming method which is concise and detailed in setting steps and convenient to operate is convenient for chestnut farmers to learn and accurately and practically operate, the yield and efficiency of chestnuts are increased, and revenues are created;
2. the pruning tool with the bending function is arranged, so that the cut at the branch cutting position is in a flaring shape, the phenomenon of saw clamping is avoided, the smooth cutting of a handsaw is ensured, and the cutting efficiency of the branches is improved;
3. through the slide bar and the handsaw that set up the combination formula, realize the equipment setting of clipper, conveniently carry and transport clipper.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a driving mechanism and a control mechanism in an embodiment of the present application.
Fig. 3 is a schematic view of the connection relationship between the pull rod and the handle in the embodiment of the present application.
Description of reference numerals: 1. a support bar; 11. a support; 12. a slide bar; 13. hooking; 14. a drive rack; 2. hand sawing; 21. a slide hole; 3. a handle; 31. a booster plate; 32. a booster lever; 33. a roller; 34. inserting a rod; 35. an elastic reset mechanism; 36. a reset plate; 37. a spring; 38. a guide surface; 4. a drive mechanism; 41. a rotating shaft; 42. a drive gear; 5. a control mechanism; 51. a control rack; 52. a control gear; 53. a trigger; 6. a pull rod; 61. a gear lever; 62. and (4) a slot.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Example 1: the embodiment of the application discloses a regeneration rejuvenation pruning method for baby branches of chestnut trees.
The trimming method comprises the following steps:
a regeneration, rejuvenation, updating and pruning method for baby branches of chestnut trees is characterized by comprising the following steps:
1. close planting garden whole garden retraction updating
(1) Lowering the head of the pre-cut tree from top to bottom once to remove the branches with the top end blocking light,
(2) each tree selects 3-5 strong big branches as main branches according to the tree vigor and the upper and lower staggered arrangement according to different directions and angles, other branches are pruned by utilizing a pruning tool,
(3) synchronously shortening each selected and remained big branch into 3-4 side branch piles which are staggered up and down, wherein the length of each branch pile is 50-100cm, and stimulating the hidden buds at each position to germinate and promote the child branches;
2. regeneration of close planting garden with yield recovery
(1) 3-5 big branches which are staggered up and down are respectively selected and reserved for pre-pruning, other branches are pruned by utilizing a pruning tool,
(2) selecting and reserving 2 side branches with branch heads at the middle part and the middle upper part as a result branch group, selecting and reserving a strong mother branch for result, wherein other side branches can be staggered up and down according to different directions and are cut back into branch piles, the length of each branch pile is 40-60cm, 1-2 branch sections containing hidden buds are ensured to be the main branch heads, and other redundant branches are cut off;
3. big tree with yield recovery updating
(1) According to the strength of the big tree, the height of the big tree is reduced and the head of the big tree is cut off, a part of big branches is cut off, one third of the strong tree is cut off and two thirds of the strong tree are left, one half of the weak tree is cut off and one half of the weak tree is left,
(2) the strong and vigorous big tree properly slightly shrinks growth promoting child branches according to each big main branch selected and reserved after the strong and vigorous big tree is high, and strong mother branches are selected and reserved for bearing,
(3) the big trees with weak growth vigor can respectively continue to carry out re-shrinking updating according to the big branches selected and left after the height is reduced and the head falls, a part of big branch groups are cut off, a large number of young branches are promoted to grow, and strong mother branches are selected and left for the left big branch groups;
4. changing and replacing wheel for baby branch
(1) When the next spring is cut, weak branches of the sprouting child branches of the renewal trees in the whole dense planting garden are removed, strong branches are left, more strong child branches are left after proper miscarriage, and the fruit is thrown and put,
(2) for the updated trees with the yield in the close planting garden and the updated trees with the yield in the big tree, the weak, strong, properly-staggered and multiple strong baby branches are still removed in spring pruning in the next year, the robust baby branches are selected and thrown to bear the fruit, the branch heads which have the fruit in the last year are all pruned except all the germinated baby branches,
(3) cutting in spring in the third year, keeping half of the child branches selected in the last year, throwing and placing the fruits continuously without trimming, keeping 3cm of the root of the newly-bred child branches in the other half, preparing for exchanging the fruits in the next year,
(4) shearing in spring in the fourth year, continuing selecting and remaining strong baby branches, retracting branches which are thrown and placed in the last year, remaining 3cm of roots to be thrown for updating,
(5) and (4) cutting in spring in the fifth year, continuously selecting and reserving robust baby branches, throwing the fruits, and then cutting short and putting long mother branches of the fruits on the baby branches thrown and put the fruits in the last year.
Example 2: the embodiment of the application discloses a pruning tool for regeneration and rejuvenation of baby branches of a chestnut tree.
Referring to fig. 1, the pruning tool comprises a support rod 1 and a hand saw 2, wherein the support rod 1 is horizontally arranged, and the hand saw 2 is positioned above the support rod 1. The front end of the support rod 1 is vertically provided with a pair of brackets 11, the saw blade of the handsaw 2 is positioned between the pair of brackets 11, and the height of the bracket 11 is larger than the width of the saw blade on the handsaw 2.
Referring to fig. 1, a saw blade of the handsaw 2 is horizontally provided with a slide hole 21, and a longitudinal direction of the slide hole 21 is arranged along a longitudinal direction of the handsaw 2. A sliding rod 12 is horizontally arranged between the upper ends of the pair of brackets 11, the sliding rod 12 crosses the sliding hole 21, and the sliding rod and the sliding hole can freely rotate and slide.
Referring to fig. 1, the supporting rod 1 is horizontally arranged, and the handle 3 is bent downwards away from the tail end of the bracket 11. The hooks 13 are vertically arranged on two sides of the supporting rod 1, and the hooks of the hooks 13 are bent forwards and used for hooking two sides of the position to be cut of the branches tightly. Meanwhile, the hooks 13 are vertically and slidably connected with the support rod 1, and the support rod 1 is provided with a driving mechanism 4 for driving the hooks 13 to synchronously slide.
Therefore, when the thick branches are cut off, the handsaw 2 is driven to turn outwards, and the support rod 1 is enabled to abut against the lower end face of the position where the branches need to be cut off. Then the driving mechanism 4 is used for controlling the pair of hooks 13 to synchronously move downwards, and the pair of hooks 13 are used for hooking two sides of the branch needing to be cut.
Then the turning hand saw 2 moves reversely, the saw blade of the hand saw 2 is enabled to be abutted against the branches, and then the hand saw 2 is pulled, so that the branches are cut off. And when cutting, utilize actuating mechanism 4 to continuously control couple 13 downstream to exert the effort to the branch and trunk, thereby make the incision of cutting the position be the flaring form, avoid appearing pressing from both sides the saw phenomenon, guarantee the smooth cutting of handsaw 2.
Referring to fig. 1 and 2, the driving mechanism 4 includes a rotating shaft 41 and a pair of driving gears 42, and the rotating shaft 41 is horizontally disposed, horizontally penetrates the supporting rod 1, and is located behind the hook 13. Both ends of the rotating shaft 41 are located outside the supporting rod 1, and a pair of driving gears 42 are fixed to both ends of the rotating shaft 41 and located at both sides of the supporting rod 1.
Referring to fig. 1 and 2, a driving rack 14 engaged with a driving gear 42 is provided on one side of the hook 13 close to the handle 3, and a control mechanism 5 for controlling the rotation of the rotating shaft 41 is provided on the support rod 1. Therefore, the hook 13 can be controlled to lift up and down by the matching of the driving gear 42 and the driving rack 14 only by controlling the rotation of the rotating shaft 41 by the control mechanism 5.
Referring to fig. 1 and 2, the control mechanism 5 includes a control rack 51 and a control gear 52, the control rack 51 is horizontally disposed on the lower end surface of the support rod 1 and horizontally slidably connected to the support rod 1, and a trigger 53 is disposed on the lower end surface of one end of the control rack 51 close to the handle 3.
Referring to fig. 1 and 2, a notch aligned with the middle of the rotating shaft 41 is formed in the lower end surface of the support rod 1, the control gear 52 is located in the middle of the rotating shaft 41 and embedded in the notch, and the control gear 52 is engaged with the control rack 51.
Therefore, when the branch is cut off, the handle 3 is held and the trigger 53 is pulled to move backwards slowly, at this time, the trigger 53 drives the control rack 51 to move backwards synchronously, and at the same time, the control rack 51 drives the control gear 52 and the rotating shaft 41 to rotate forwards synchronously.
When the rotating shaft 41 rotates, the pair of driving gears 42 are driven to synchronously rotate in the same direction, and simultaneously, the driving gears 42 drive the driving racks 14 and the hooks 13 to synchronously move downwards, acting force is continuously applied to the branches, so that the branches are bent along the position of the supporting rod 1, and the cut at the cutting position is flared.
Referring to fig. 2 and 3, a pull rod 6 is horizontally arranged on the back side of the trigger 53, and the pull rod 6 horizontally penetrates through the handle 3 and is horizontally connected with the handle 3 in a sliding manner. The end of the pull rod 6 facing away from the trigger 53 is bent downward to form a stop 61, so that when a rearward force is applied to the stop 61, the rearward movement of the trigger 53 is controlled.
Referring to fig. 2 and 3, an assist plate 31 is disposed on the back side of the handle 3, an assist rod 32 is bent outward at the upper end of the assist plate 31, the length of the assist rod 32 is smaller than that of the assist plate 31, and the bent position of the assist plate 31 is hinged to the handle 3.
Referring to fig. 2 and 3, a roller 33 is horizontally and rotatably connected to an end of the power-assisted lever 32 away from the power-assisted plate 31, and the roller 33 is used for abutting against an inner side wall of the stopper rod 61. Therefore, when the booster plate 31 is pressed close to the handle 3, the rearward movement of the booster rod 32 and the rearward movement of the trigger 53 can be controlled by the lever principle.
When the branch to be cut off is thick, the handle 3 is held, and the force is applied to the assisting plate 31 through the thumb, so that the assisting plate 31 is gradually close to the handle 3. Since the upper end of the booster plate 31 is hinged with the handle 3, the booster rod 32 and the roller 33 are controlled to move backward under the action of the labor-saving lever principle.
Meanwhile, the assistant rod 32 pushes the gear rod 61 to move backwards synchronously and drives the pull rod 6 to move backwards synchronously, so that the trigger 53 can be controlled to move backwards only by using a small force, the downward movement of the hook 13 can be controlled, and the branches can be bent along the position of the support rod 1 easily and labor-effectively.
Referring to fig. 1 and 3, an insertion rod 34 is vertically slidably connected to the back side of the handle 3, the insertion rod 34 is located above the pull rod 6, and an elastic return mechanism 35 is arranged between the insertion rod 34 and the handle 3. The elastic return mechanism 35 includes a return plate 36 located above the plunger 34 and a spring 37 located between the return plate 36 and the plunger 34.
Referring to fig. 1 and 3, the lower end of one side of the insertion rod 34 is provided with a circular arc-shaped guide surface 38, the guide surface 38 is located on one side of the insertion rod 34 attached to the handle 3, and the upper end surface of the pull rod 6 is provided with a plurality of slots 62 for the insertion rod 34 to be inserted.
Therefore, when the pull rod 6 moves backwards, the insertion rod 34 of the pull rod 6 can be automatically driven to move upwards under the action of the guide surface 38 at the lower end of the insertion rod 34, and the insertion rod 34 presses the spring 37 to compress, so that the automatic unlocking between the insertion rod 34 and the pull rod 6 is realized.
When the inserted link 34 is aligned with the next slot 62 again, the inserted link 34 moves downwards and automatically inserts the slot 62 under the elastic action of the spring 37, and at the moment, under the action of one side of the plane of the inserted link 34, the automatic locking between the inserted link 34 and the pull rod 6 is realized, so that the automatic locking of the pull rod 6 is realized, and the stable bending control of the branches can be realized without applying an acting force to the trigger 53 all the time.
The implementation principle of the baby branch regeneration rejuvenation pruning tool for the chestnut tree in the embodiment of the application is as follows: when the thick branches are cut off, the support rod 1 is abutted against the cut-off parts of the branches, and the pair of hooks 13 are used for hooking two sides of the positions, required to be cut off, of the branches tightly. Subsequently, the handsaw 2 is turned over, the handsaw 2 is made to abut against the limbs, and then the handsaw 2 is pulled to cut the limbs. And when the branches are cut off, the hook 13 is continuously controlled to move downwards to apply acting force to the branches, so that the cut at the cut-off position is in a flaring shape, the phenomenon of clamping a saw is avoided, and the smooth cutting of the handsaw 2 is ensured.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A regeneration, rejuvenation, updating and pruning method for baby branches of chestnut trees is characterized by comprising the following steps:
1. close planting garden whole garden retraction updating
(1) Lowering the head of the pre-cut tree from top to bottom once to remove the branches with the top end blocking light,
(2) each tree selects 3-5 strong big branches as main branches according to the tree vigor and the upper and lower staggered arrangement according to different directions and angles, other branches are pruned by utilizing a pruning tool,
(3) synchronously shortening each selected and remained big branch into 3-4 side branch piles which are staggered up and down, wherein the length of each branch pile is 50-100cm, and stimulating the hidden buds at each position to germinate and promote the child branches;
2. regeneration of close planting garden with yield recovery
(1) 3-5 big branches which are staggered up and down are respectively selected and reserved for pre-pruning, other branches are pruned by utilizing a pruning tool,
(2) selecting and reserving 2 side branches with branch heads at the middle part and the middle upper part as a result branch group, selecting and reserving a strong mother branch for result, wherein other side branches can be staggered up and down according to different directions and are cut back into branch piles, the length of each branch pile is 40-60cm, 1-2 branch sections containing hidden buds are ensured to be the main branch heads, and other redundant branches are cut off;
3. big tree with yield recovery updating
(1) According to the strength of the big tree, the height of the big tree is reduced and the head of the big tree is cut off, a part of big branches is cut off, one third of the strong tree is cut off and two thirds of the strong tree are left, one half of the weak tree is cut off and one half of the weak tree is left,
(2) the strong and vigorous big tree properly slightly shrinks growth promoting child branches according to each big main branch selected and reserved after the strong and vigorous big tree is high, and strong mother branches are selected and reserved for bearing,
(3) the big trees with weak growth vigor can respectively continue to carry out re-shrinking updating according to the big branches selected and left after the height is reduced and the head falls, a part of big branch groups are cut off, a large number of young branches are promoted to grow, and strong mother branches are selected and left for the left big branch groups;
4. changing and replacing wheel for baby branch
(1) When the next spring is cut, weak branches of the sprouting child branches of the renewal trees in the whole dense planting garden are removed, strong branches are left, more strong child branches are left after proper miscarriage, and the fruit is thrown and put,
(2) for the updated trees with the yield in the close planting garden and the updated trees with the yield in the big tree, the weak, strong, properly-staggered and multiple strong baby branches are still removed in spring pruning in the next year, the robust baby branches are selected and thrown to bear the fruit, the branch heads which have the fruit in the last year are all pruned except all the germinated baby branches,
(3) cutting in spring in the third year, keeping half of the child branches selected in the last year, throwing and placing the fruits continuously without trimming, keeping 3cm of the root of the newly-bred child branches in the other half, preparing for exchanging the fruits in the next year,
(4) shearing in spring in the fourth year, continuing selecting and remaining strong baby branches, retracting branches which are thrown and placed in the last year, remaining 3cm of roots to be thrown for updating,
(5) and (4) cutting in spring in the fifth year, continuously selecting and reserving robust baby branches, throwing the fruits, and then cutting short and putting long mother branches of the fruits on the baby branches thrown and put the fruits in the last year.
2. A pruning tool for regeneration and rejuvenation of baby branches of chestnut trees is applied to the pruning method according to claim 1, and is characterized in that: including bracing piece (1) and handsaw (2), bracing piece (1) level sets up, and the tail end is buckled downwards and is provided with handle (3), the equal vertical couple (13) that is provided with in both sides of bracing piece (1), couple (13) are used for hooking the tight branch and treat the both sides of cutting the position, and with bracing piece (1) vertical sliding connection, and be provided with the drive on bracing piece (1) couple (13) actuating mechanism (4) that slides in step.
3. The tool for pruning the regeneration and rejuvenation of the baby branches of chestnut trees according to claim 2, characterized in that: actuating mechanism (4) including pivot (41) that the level set up with set up in the drive gear (42) at pivot (41) both ends, pivot (41) level is run through bracing piece (1), and a pair of drive gear (42) are located the both sides of bracing piece (1), the lateral wall of couple (13) be provided with drive rack (14) of drive gear (42) meshing, and be provided with control on bracing piece (1) the rotatory control mechanism (5) of pivot (41).
4. The tool for pruning the regeneration and rejuvenation of the baby branches of chestnut trees according to claim 3, wherein: pivot (41) are located the rear of couple (13), drive rack (14) are located couple (13) are close to one side of handle (3), control mechanism (5) are including control rack (51) and control gear (52), control rack (51) level set up in under bracing piece (1) terminal surface and with bracing piece (1) horizontal sliding connection, control gear (52) are located the middle part position of pivot (41), and with control rack (51) mesh mutually, and the lower terminal surface of control rack (51) is provided with trigger (53).
5. The tool for pruning the regeneration and rejuvenation of the baby branches of chestnut trees according to claim 4, wherein: the dorsal part level of trigger (53) is provided with and runs through pull rod (6) of handle (3), pull rod (6) deviate from the one end of trigger (53) is buckled downwards and is provided with shelves pole (61), the dorsal part of handle (3) is provided with helping hand board (31), the upper end of helping hand board (31) is outwards buckled and is provided with the conflict helping hand pole (32) of shelves pole (61), and the position of buckling of helping hand board (31) with handle (3) are articulated mutually.
6. The tool for pruning the regeneration and rejuvenation of the baby branches of chestnut trees according to claim 5, wherein: the upper end of the boosting rod (32) is horizontally and rotatably connected with a roller (33).
7. The tool for pruning the regeneration and rejuvenation of the baby branches of chestnut trees according to claim 5, wherein: the back side of the handle (3) is vertically connected with an inserted bar (34) in a sliding mode, the inserted bar (34) is located above the pull rod (6), and a plurality of slots (62) for the inserted bar (34) to be inserted are formed in the upper end face of the pull rod (6) at intervals.
8. The tool for pruning the regeneration and rejuvenation of the baby branches of chestnut trees according to claim 7, wherein: an elastic reset mechanism (35) is arranged between the inserted bar (34) and the handle (3), a circular arc-shaped guide surface (38) is arranged at the lower end of the inserted bar (34), and the guide surface (38) is positioned at one side of the inserted bar (34) attached to the handle (3).
9. The tool for pruning the regeneration and rejuvenation of the baby branches of chestnut trees according to claim 2, characterized in that: the saw blade position level of handsaw (2) is provided with along its length direction and is provided with slide opening (21), the vertical a pair of support (11) that is provided with in front end of bracing piece (1), the saw blade of handsaw (2) is located a pair of between support (11), and it is a pair of the level is provided with between the upper end of support (11) and crosses slide opening (12) of slide opening (21).
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