CN108901421B - Fruit tree girdling knife device - Google Patents
Fruit tree girdling knife device Download PDFInfo
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- CN108901421B CN108901421B CN201810835649.3A CN201810835649A CN108901421B CN 108901421 B CN108901421 B CN 108901421B CN 201810835649 A CN201810835649 A CN 201810835649A CN 108901421 B CN108901421 B CN 108901421B
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- chain
- sleeve
- handle
- fruit tree
- knife
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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
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Harvesting Machines For Specific Crops (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The invention discloses a fruit tree girdling knife device, which comprises a handle, a chain and a paring knife, wherein the chain comprises an inner plate, outer plates, sleeves and a pin shaft, rollers are arranged between the two outer plates through a pivot rod, the upper end of the handle is connected with a working head, one end of the chain is connected with the fixed end of the working head, the working head is provided with a locking head which can be clamped between the two sleeves of the inner plate of the chain, the locking head can be fixedly connected with the chain in a clamping manner when the inner side of the chain is stressed, the paring knife is arranged at the top end of the working head, the paring knife is provided with an elastic adjusting structure which can adjust paring force according to the distance to fruit tree skin, the depth of a cut when a trunk is girdled can be controlled, the wooden part of the fruit tree is not.
Description
Technical Field
The invention relates to the technical field of fruit tree trimming tools, in particular to a fruit tree girdling knife device.
Background
The girdling is that the phloem of the trunk or branch of the tree is stripped for a certain width for a week by a sharp edge or a special cutter, which is an important work in the daily management process of the tree, the tree can cut off carbohydrate produced by the leaves and convey the carbohydrate to the root system through the bark layer through girdling, thereby improving the nutrition level of the branch above the stripping opening, improving the carbon-oxygen ratio, promoting the young and mature, and effectively promoting the branch bud differentiation, flower formation and fruit setting.
At present, the commonly adopted fruit tree girdling method is that a common sickle is used for cutting two annular incisions on a fruit tree trunk, and a flat shovel is used for removing the trunk epidermis between the two annular incisions.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fruit tree girdling knife device aiming at the current situation of the prior art, the fruit tree girdling knife device can control the depth of an incision when a trunk is girdled, does not damage the xylem of a fruit tree, removes the phloem of the fruit tree once in operation, reduces labor intensity, and is simultaneously suitable for girdling of fruit trees with different thicknesses.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a fruit tree girdling knife device comprises a handle, a chain and a paring knife, wherein the chain comprises an inner plate, an outer plate, sleeves and pin shafts, inner holes are respectively formed at two ends of the inner plate, outer holes are respectively formed at two ends of the outer plate, a shaft hole is formed in the center of the outer plate, one end of each sleeve is respectively in interference fit in the two inner holes of the inner plate, the other ends of the two sleeves are correspondingly in interference fit in the two inner holes of the other inner plate, so that the inner plates are connected, one end of each pin shaft is respectively in interference fit in the two outer holes of the outer plate, the two pin shafts are arranged in the adjacent sleeves of the adjacent inner plates in a penetrating mode, the other ends of the two pin shafts are correspondingly in interference fit in the two outer holes of the other outer plate, the outer plate can be connected with the two groups of inner plates, rollers are arranged between the two outer, one end of the chain is connected with the fixed end of the working head, the working head is provided with a locking head which can be clamped between two sleeves of the chain inner plate, the locking head can be fixedly connected with the chain in a clamping manner when the inner side of the chain is stressed, the top end of the working head is provided with a paring knife, and the paring knife is provided with an elastic adjusting structure which can adjust paring force according to the distance from the paring knife to the fruit tree skin.
In order to optimize the technical scheme, the adopted measures further comprise:
foretell elasticity adjusting structure includes flexible hose, spring, connecting block, and the flexible hose is established to the cover on the spring, flexible hose both ends respectively with working head top and connecting block fixed connection, the spring both ends respectively with working head top and connecting block conflict be connected, set up the draw knife on the connecting block.
The peeling knife comprises an arc-shaped blade and a knife holder, wherein the arc-shaped blade is fixedly arranged on the knife holder, a through hole is formed in the knife holder, and a screw penetrates through the through hole in the knife holder and is connected with a screw hole in the connecting block to fix the peeling knife on the connecting block.
The head of the locking head is wedge-shaped and is bent towards the outer end side of the handle.
The lower end of the handle is sleeved with a sleeve, and the sleeve can linearly extend and retract relative to the handle.
The locking structure is arranged between the handle and the sleeve and comprises an inner sleeve and an outer sleeve, the outer sleeve is sleeved outside the inner sleeve, the inner sleeve is fixed at the upper end of the sleeve, a through groove is formed on the conical peripheral wall of the upper section of the inner sleeve, the outer sleeve is sleeved at the lower part of the handle, the upper section of the outer sleeve is provided with a conical part which can be matched with the conical peripheral wall of the inner sleeve in a relatively axial moving mode, and the outer sleeve is locked or loosened on the handle through the conical peripheral wall of.
Wear pads are arranged on two sides of the roller.
The periphery of the roller is smooth.
The invention relates to a fruit tree girdling knife device, which comprises a handle, a chain and a paring knife, wherein the chain comprises an inner plate, an outer plate, a sleeve and a pin shaft, inner holes are respectively formed at two ends of the inner plate, outer holes are respectively formed at two ends of the outer plate, a shaft hole is formed in the center of the outer plate, one end of the sleeve is respectively in interference fit in the two inner holes of the inner plate, the other ends of the two sleeves are correspondingly in interference fit in the two inner holes of the other inner plate, so that the inner plates are connected, one end of the pin shaft is respectively in interference fit in the two outer holes of the outer plate, the two pin shafts are arranged in the adjacent sleeves of the adjacent inner plate in a penetrating way, the other ends of the two pin shafts are correspondingly in interference fit in the two outer holes of the other outer plate, the outer plate and the two groups of inner plates can be connected, a roller, one end of the chain is connected with the fixed end of the working head, the working head is provided with a locking head which can be clamped between two sleeves of the chain inner plate, the locking head can be fixedly connected with the chain in a clamping mode when the inner side of the chain is stressed, the top end of the working head is provided with the paring knife, the paring knife is provided with an elastic adjusting structure which can adjust paring force according to the distance to the fruit tree bark, the depth of cut can be controlled when a trunk is girdled, the xylem of the fruit tree is not damaged, the phloem of the fruit tree is removed once in operation, labor intensity is reduced, and the fruit tree girdling device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial perspective view of the chain of the present invention;
FIG. 3 is a cross-sectional view of the outer plate of the chain of the present invention;
fig. 4 is a schematic view of the structure of the peeling knife of the present invention;
fig. 5 is a schematic view of the locking structure of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 5 are schematic structural views of the present invention.
Wherein the reference numerals are: the device comprises a handle 1, a chain 2, an inner plate 21, an outer plate 22, a sleeve 23, a pin shaft 24, an inner hole 25, an outer hole 26, a shaft hole 27, a paring knife 3, an arc-shaped blade 31, a knife holder 32, a screw 33, a roller 4, a pivot rod 41, a wear-resistant pad 42, a working head 5, a fixed end 51, a locking head 52, an elastic adjusting structure 6, a telescopic hose 61, a spring 62, a connecting block 63, a sleeve 7, a locking structure 8, an inner sleeve 81, an outer sleeve 82 and a groove 83.
Fig. 1 to 5 are schematic structural views of the present invention.
A fruit tree ring stripping knife device comprises a handle 1, a chain 2 and a peeling knife 3, wherein the chain 2 comprises an inner plate 21, an outer plate 22, sleeves 23 and pin shafts 24, inner holes 25 are respectively formed at two ends of the inner plate 21, outer holes 26 are respectively formed at two ends of the outer plate 22, a shaft hole 27 is formed in the center of the outer plate, the sleeves 23 are respectively arranged in the two inner holes 25 of the inner plate 21 in an interference fit manner, the other ends of the two sleeves 23 are correspondingly arranged in the two inner holes 25 of the other inner plate 21 in an interference fit manner, so that the inner plates 21 are connected, one end of a pivot rod 41 is arranged in the shaft hole 27 on the outer plate 22 in an interference fit manner, the other end of the pivot rod is arranged in the shaft hole 27 on the other outer plate 22 in an interference fit manner, a roller 4 is arranged between the two corresponding outer plates 22 through the pivot rod 41, the pin shafts 24 are respectively arranged in the two outer holes 26 of the outer plates 22 in an, the other ends of the two pin shafts 24 are correspondingly in interference fit with the two outer holes 26 of the other outer plate 22, the outer plate 22 and the two groups of inner plates 21 can be connected, the chain 2 is formed by connecting the outer plate 22 and the inner plates 21 in an interactive manner, the upper end of the handle 1 is connected with a working head 5, one end of the chain 2 is hinged with a fixed end 51 of the working head 5, the working head 5 is provided with a locking head 52 which can be clamped between two sleeves 23 of the inner plates 21 of the chain 2, the locking head 52 can be fixedly connected with the chain 2 when the inner side of the chain 2 is stressed, the top end of the working head 5 is provided with a peeling knife 3, the peeling knife 3 is provided with an elastic adjusting structure 6 which can adjust the peeling strength according to the distance to the fruit tree bark, the locking head 52 can be clamped at the sleeve clearance parts at different positions according to the diameter of the fruit tree to be girdled, the circumferential diameter surrounded by the chain, at the moment, the peeling knife 3 abuts against the bark under the action of the elastic adjusting structure 6, the handle 1 is rotated, the chain 2 rotates around the fruit tree, the peeling knife 3 peels off the phloem of the fruit tree, the top end of the peeling knife 3 abuts against the xylem without damaging the xylem after entering the phloem due to the fact that the phloem is different from the xylem in hardness, the handle 1 rotates around the fruit tree for a circle to remove the phloem of the fruit tree, therefore, the phloem of the fruit tree is removed at one time in operation, labor intensity is reduced, the circumferential diameter surrounded by the chain 2 can be adjusted according to the fruit trees with different thicknesses, and the peeling of the fruit trees with different thicknesses is adapted.
In the embodiment, the elastic adjusting structure 6 comprises an extensible hose 61, a spring 62 and a connecting block 63, the extensible hose 61 is sleeved on the spring 62, two ends of the extensible hose 61 are fixedly connected with the top end of the working head 5 and the connecting block 63 respectively, two ends of the spring 62 are connected with the top end of the working head 5 and the connecting block 63 in an abutting mode respectively, and the peeling knife 3 is arranged on the connecting block 63.
In the embodiment, the peeling knife 3 comprises an arc-shaped blade 31 and a knife holder 32, the arc-shaped blade 31 is fixedly arranged on the knife holder 32, a through hole is arranged on the knife holder 32, and a screw 33 penetrates through the through hole on the knife holder 32 and is connected with a screw hole on the connecting block 63 to fix the peeling knife 3 on the connecting block 63.
In the embodiment, the head of the locking head 52 is wedge-shaped and is bent towards the outer end side of the handle 1, and when the inner side of the chain 2 is stressed, the locking head can be fixedly clamped with the chain 2.
In the embodiment, the lower end of the handle 1 is sleeved with the sleeve 7, and the sleeve 7 can linearly extend and retract relative to the handle 1, so that a sufficiently long force arm is ensured in the process of removing the phloem of the fruit tree by the handle 1.
In the embodiment, a locking structure 8 is arranged between the handle 1 and the sleeve 7, the locking structure 8 comprises an inner sleeve 81 and an outer sleeve 82, the outer sleeve 82 is sleeved outside the inner sleeve 81, the inner sleeve 81 is fixed at the upper end of the sleeve 7, a through groove 83 is formed on the tapered peripheral wall of the upper section of the inner sleeve 81, the outer sleeve 82 is sleeved at the lower part of the handle 1, the upper section of the outer sleeve 82 is provided with a tapered part which can be matched with the tapered peripheral wall of the inner sleeve 81 in a relatively axial moving mode, the outer wall of the inner sleeve 81 is provided with an external thread, the inner wall of the outer sleeve 82 is provided with an internal thread matched with the external thread, and when the outer sleeve 82 moves.
In the embodiment, wear pads 42 are provided on both sides of the roller 4.
In the embodiment, the outer edge of the roller 4 is smooth, so that the friction between the roller 4 and the barks is reduced, and the chain 2 rotates more sensitively.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (1)
1. Fruit tree girdling sword device, characterized by: the chain comprises a handle (1), a chain (2) and a paring knife (3), wherein the chain (2) comprises an inner plate (21), an outer plate (22), sleeves (23) and pin shafts (24), inner holes (25) are respectively formed in two ends of the inner plate (21), outer holes (26) are respectively formed in two ends of the outer plate (22), a shaft hole (27) is formed in the center of the outer plate, the sleeves (23) are respectively arranged in the two inner holes (25) of the inner plate (21) in an interference fit mode, the other ends of the two sleeves (23) are correspondingly arranged in the two inner holes (25) of the other inner plate (21) in an interference fit mode, the inner plates (21) are connected through the shaft holes, rollers (4) are arranged between the two corresponding outer plates (22) through pivot rods (41), the pin shafts (24) are respectively arranged in the two outer holes (26) of the outer plates (22) in an interference fit mode, and the two pin shafts (24) penetrate through, the other ends of the two pin shafts (24) are correspondingly in interference fit with two outer holes (26) of the other outer plate (22), the outer plate (22) and the two groups of inner plates (21) can be connected together, by thus alternately connecting the outer plate (22) and the inner plates (21), the chain (2) is formed, the upper end of the handle (1) is connected with a working head (5), one end of the chain (2) is connected with a fixed end (51) of the working head (5), the working head (5) is provided with a locking head (52) which can be clamped between two sleeves (23) of the inner plate (21) of the chain (2), and when the inner side of the chain (2) is stressed, the locking head (52) can be fixedly connected with the chain (2) in a clamping way, the top end of the working head (5) is provided with a peeling knife (3), and the peeling knife (3) is provided with an elastic adjusting structure (6) capable of adjusting peeling strength according to the distance from the peeling knife to the fruit tree skin; the elastic adjusting structure (6) comprises a flexible hose (61), a spring (62) and a connecting block (63), the flexible hose (61) is sleeved on the spring (62), two ends of the flexible hose (61) are fixedly connected with the top end of the working head (5) and the connecting block (63) respectively, two ends of the spring (62) are connected with the top end of the working head (5) and the connecting block (63) in an abutting mode respectively, and the connecting block (63) is provided with a peeling knife (3); the peeling knife (3) consists of an arc-shaped blade (31) and a knife holder (32), the arc-shaped blade (31) is fixedly arranged on the knife holder (32), a through hole is formed in the knife holder (32), a screw (33) penetrates through the through hole in the knife holder (32) and is connected with a screw hole in the connecting block (63) to fix the peeling knife (3) on the connecting block (63); the head of the locking head (52) is wedge-shaped and is bent towards the outer end side of the handle (1); the lower end of the handle (1) is sleeved with a sleeve (7), and the sleeve (7) can linearly extend and displace relative to the handle (1); a locking structure (8) is arranged between the handle (1) and the sleeve (7), the locking structure (8) comprises an inner sleeve (81) and an outer sleeve (82), the outer sleeve (82) is sleeved outside the inner sleeve (81), the inner sleeve (81) is fixed at the upper end of the sleeve (7), a through cutting groove (83) is formed on the conical peripheral wall of the upper section of the inner sleeve (81), the outer sleeve (82) is sleeved at the lower part of the handle (1), the upper section of the outer sleeve (82) is provided with a conical part which can be matched with the conical peripheral wall of the inner sleeve (81) in a relatively axial moving mode, and when the outer sleeve (82) moves axially relative to the inner sleeve (81), the outer sleeve (82) is locked or unlocked to the handle (1) through the conical peripheral wall of the lower end of the inner sleeve (81); wear-resistant pads (42) are arranged on two sides of the roller (4); the peripheral outer edge of the roller (4) is smooth; according to the diameter of a fruit tree to be girdled, the locking head (52) is clamped at the sleeve clearance parts at different positions, the circumferential diameter surrounded by the chain (2) is adjusted, the chain (2) is adaptive to the diameter of the girdled fruit tree, at the moment, the peeling knife (3) is propped against the bark under the action of the elastic adjusting structure (6), the handle (1) is rotated, the chain (2) rotates around the fruit tree, the hardness of the phloem is different from that of the xylem, the peeling knife (3) is under the action of the elastic adjusting structure (6), after the phloem enters, the top end of the peeling knife (3) props against the xylem without damaging the xylem, the peeling knife (3) peels off the phloem of the fruit tree, the handle (1) rotates around the fruit tree for a circle, and girdling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835649.3A CN108901421B (en) | 2018-07-26 | 2018-07-26 | Fruit tree girdling knife device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835649.3A CN108901421B (en) | 2018-07-26 | 2018-07-26 | Fruit tree girdling knife device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108901421A CN108901421A (en) | 2018-11-30 |
| CN108901421B true CN108901421B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810835649.3A Active CN108901421B (en) | 2018-07-26 | 2018-07-26 | Fruit tree girdling knife device |
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| CN (1) | CN108901421B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331018B (en) * | 2021-06-24 | 2022-12-27 | 湖北省林业科学研究院 | Raw bamboo felling machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2437470Y (en) * | 2000-09-05 | 2001-07-04 | 张启智 | Circular debarking knife for fruit tree |
| KR20140084536A (en) * | 2012-12-27 | 2014-07-07 | 노병만 | Finger Knife |
| FR3031429B1 (en) * | 2015-01-12 | 2017-07-14 | Loic Beziau | HINGED HINGES WITH A DISK |
| CN204796258U (en) * | 2015-03-18 | 2015-11-25 | 张建华 | Dual -purpose sword is shelled to roll blade formula fruit tree girdling ring |
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2018
- 2018-07-26 CN CN201810835649.3A patent/CN108901421B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108901421A (en) | 2018-11-30 |
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Effective date of registration: 20201119 Address after: Caozhou formation, Paotian village, Hechuan Town, Yongxin County, Ji'an City, Jiangxi Province Applicant after: Yongxin County Lvxin Agricultural Technology Co., Ltd Address before: 315043 Grand Hyatt Garden 881 Baizhang East Road, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Lu Yuanyuan |
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