CN212970816U - Forest bud grafting device - Google Patents
Forest bud grafting device Download PDFInfo
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- CN212970816U CN212970816U CN202021618878.9U CN202021618878U CN212970816U CN 212970816 U CN212970816 U CN 212970816U CN 202021618878 U CN202021618878 U CN 202021618878U CN 212970816 U CN212970816 U CN 212970816U
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Abstract
The utility model relates to a forest grafting technology, in particular to a forest bud grafting device, which comprises a bud cutting seat, a bud cutter, an adjusting mechanism, a vertical cutting device, a transverse cutter and a fixed base, wherein the bud cutting seat and the bud cutter cooperate to cut the end part of a forest bud into a V shape; the method is characterized in that a vertical cutting device is utilized to cut two vertical parallel wounds on the bark of a tree grafting position, a transverse cutting knife transversely cuts the parallel wounds of the bark at the moment, the bark is uncovered from the transverse cutting edge, the end part of a tree bud is inserted into the bark and is fixed by a grafting adhesive tape. The bud cutting seat comprises a rotating rod, hinged seats, fixed blocks, semicircular grooves and V-shaped grooves, the rotating rod is hinged between the two hinged seats, the fixed blocks are arranged at the right ends of the rotating rods, the semicircular grooves are formed in the middle of the fixed blocks, and the V-shaped grooves are formed in the semicircular grooves.
Description
Technical Field
The utility model relates to a forest grafting technique, more specifically the forest bud grafting ware that says so.
Background
The utility model discloses a No. CN 208708198U's utility model discloses a sapling grafting ware, including first handle, with first handle articulated second handle, first handle is connected with the base, the second handle is connected with the connecting rod, the connecting rod is connected with the knife rest, be connected with the blade on the knife rest, be provided with guide rail and sword groove on the base, guide rail and knife rest sliding fit, the sword groove is located the below of blade, when the relative first handle of second handle rotates, the connecting rod drives the knife rest and slides from top to bottom along the guide rail, the blade rises or descends with the sword groove relatively, the lower surface of base is provided with the cutter, the cutter includes the handle of a knife and connects triangle-shaped's tool bit on the handle of a knife, the handle of a knife is connected in the. The sapling grafting device of the utility model can easily cut the stock and the scion into a matched V shape, and the healing is rapid; the use is convenient and rapid, and the time and the energy are saved by 40 percent compared with the traditional grafting method. However, the patent does not consider that the V-shaped grafting method cannot ensure that the joint is completely matched, and the survival rate of grafting is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tree bud grafting device, which has the advantages that the bud cutting seat and the bud cutter are matched to cut the end part of tree buds into a V shape; the method is characterized in that a vertical cutting device is utilized to cut two vertical parallel wounds on the bark of a tree grafting position, a transverse cutting knife transversely cuts the parallel wounds of the bark at the moment, the bark is uncovered from the transverse cutting edge, the end part of a tree bud is inserted into the bark and is fixed by a grafting adhesive tape.
The utility model relates to a forest grafting technology, in particular to a forest bud grafting device, which comprises a bud cutting seat, a bud cutter, an adjusting mechanism, a vertical cutting device, a transverse cutter and a fixed base, wherein the bud cutting seat and the bud cutter cooperate to cut the end part of a forest bud into a V shape; the method is characterized in that a vertical cutting device is utilized to cut two vertical parallel wounds on the bark of a tree grafting position, a transverse cutting knife transversely cuts the parallel wounds of the bark at the moment, the bark is uncovered from the transverse cutting edge, the end part of a tree bud is inserted into the bark and is fixed by a grafting adhesive tape.
The fixed base is fixedly connected with a bud cutting seat and a bud cutter, the left side of the bud cutting seat is connected with a vertical cutting device, the vertical cutting device is hinged with an adjusting mechanism, the adjusting mechanism is connected to the fixed base in a sliding mode, and the fixed base is fixedly connected with a transverse cutting knife.
The bud cutting seat comprises a rotating rod, hinged seats, fixed blocks, semicircular grooves and V-shaped grooves, the rotating rod is hinged between the two hinged seats, the fixed blocks are arranged at the right ends of the rotating rods, the semicircular grooves are formed in the middle of the fixed blocks, and the V-shaped grooves are formed in the semicircular grooves.
Bud cutter includes fixed plate, support arm and V type blade, and symmetry fixed connection is at the lower extreme of fixed plate around two support arms, and the lower extreme of fixed plate is provided with V type blade, V type blade and the cooperation of V type recess.
The adjusting mechanism comprises supports, sliders, a screw rod, a hand-cranking disc and an insertion rod, the screw rod is fixedly connected onto the hand-cranking disc, bidirectional threads are arranged on the screw rod, the screw rod is connected with the two supports in a threaded mode, the two sliders are oppositely arranged on the left side and the right side of each support, and the insertion rod is inserted into the upper ends of the two supports in a penetrating mode.
Vertical cutting device includes perpendicular tool arm, erects sword, spring I, spring II, plate hole, holding rod and backup pad, and the symmetry is articulated to be connected on the inserted bar around two perpendicular tool arms, and two I bilateral symmetry of spring set up between two perpendicular tool arms, and every perpendicular tool arm left end all is provided with perpendicular sword, and two perpendicular tool arm right parts all are provided with the plate hole, and two plate hole sliding connection have the backup pad, the lower extreme fixedly connected with spring II of backup pad, and two perpendicular tool arm right-hand members rotate and are connected with the holding rod, and the centre at the holding rod is connected in the articulated connection of bull stick.
The transverse cutting knife comprises an upper wall plate, a transverse knife arm, a rotating shaft, a fixing rod and an arc-shaped groove, the lower end of the rotating shaft is fixedly connected in the middle of the inserted rod, the rotating shaft is rotatably connected with the transverse knife arm, the left end of the transverse knife arm is provided with the transverse knife, the right end of the transverse knife arm is rotatably connected to the lower portion of the fixing rod, the fixing rod is slidably connected to the arc-shaped groove, the arc-shaped groove is arranged on the upper wall plate, and the two wall.
The unable adjustment base includes arc fixed plate, regulation recess and spout, is provided with the regulation recess on the arc fixed plate, and the regulation recess left and right sides all is provided with the spout, and four slider sliding connection are on two spouts, and symmetrical fixed connection is on the arc fixed plate around two articulated seats, and symmetrical fixed connection is on the arc fixed plate around two support arms, and symmetrical fixed connection is on the arc fixed plate around two wallboards.
The utility model has the advantages that:
the utility model relates to a tree bud grafting device, the tree bud cutting seat and the bud cutter cooperate to cut the end of the tree bud into V-shaped; the method is characterized in that a vertical cutting device is utilized to cut two vertical parallel wounds on the bark of a tree grafting position, a transverse cutting knife transversely cuts the parallel wounds of the bark at the moment, the bark is uncovered from the transverse cutting edge, the end part of a tree bud is inserted into the bark and is fixed by a grafting adhesive tape.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of a forest bud grafting machine of the present invention;
fig. 2 is a schematic view of the whole structure of the forest bud grafting device of the present invention;
FIG. 3 is a schematic view of a bud cutting base;
FIG. 4 is a schematic view of the structure of the bud cutter;
FIG. 5 is a first schematic structural diagram of an adjusting mechanism;
FIG. 6 is a second schematic structural view of the vertical cutting device;
FIG. 7 is a schematic structural view of a lateral cutting knife;
FIG. 8 is a schematic structural view of the fixing base;
in the figure: a bud cutting seat 1; a rotating rod 1-1; a hinge base 1-2; 1-3 of a fixed block; 1-4 of a semicircular groove; a V-shaped groove; a bud cutter 2; a fixing plate 2-1; 2-2 of a support arm; 2-3 of a V-shaped blade; an adjusting mechanism 3; a support 3-1; 3-2 of a slide block; 3-3 of a screw rod; 3-4 of a hand-operated tray; 3-5 of an inserted link; a vertical cutting device 4; 4-1 of a vertical cutter arm; 4-2 of vertical knife; 4-3 of a spring; 4-4 of a spring; 4-5 of plate holes; 4-6 of a holding rod; support plates 4-7; a transverse cutter 5; an upper wall plate 5-1; wall plates 5-2; 5-3 parts of a transverse cutter; 5-4 parts of a transverse cutter arm; 5-5 of a rotating shaft; 5-6 parts of a fixed rod; 5-7 of an arc-shaped groove; a fixed base 6; an arc-shaped fixing plate 6-1; adjusting the groove 6-2; 6-3 of a chute; an adjusting groove 6-2 is arranged on the arc-shaped fixing plate 6-1.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The first embodiment is as follows:
the present embodiment is described below with reference to fig. 1-8, and the present invention relates to a forest grafting technology, and more specifically to a forest bud grafting device, which comprises a bud cutting seat 1, a bud cutter 2, an adjusting mechanism 3, a vertical cutting device 4, a transverse cutter 5 and a fixed base 6, wherein the bud cutting seat 1 and the bud cutter 2 cooperate to cut the end of the forest bud into a V-shape; the method is characterized in that a vertical cutting device 4 is utilized to cut two vertical parallel wounds on the bark at the grafting position of the forest, a transverse cutting knife 5 is used for transversely cutting the parallel wounds of the bark at the moment, the bark is uncovered from the transverse cutting edge, the end part of a forest bud is inserted into the bark and is fixed by a grafting adhesive tape.
A fixed connection bud cutting seat 1 and a bud cutter 2 are arranged on a fixed base 6, the left side of the bud cutting seat 1 is connected with a vertical cutting device 4, the vertical cutting device 4 is hinged to be connected with an adjusting mechanism 3, the adjusting mechanism 3 is connected to the fixed base 6 in a sliding mode, and a transverse cutting knife 5 is fixedly connected to the fixed base 6.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1-8, wherein the bud cutting base 1 comprises a rotating rod 1-1, hinged bases 1-2, fixed blocks 1-3, semicircular grooves 1-4 and V-shaped grooves, the rotating rod 1-1 is hinged between the two hinged bases 1-2, the fixed blocks 1-3 are arranged at the right end of the rotating rod 1-1, the semicircular grooves 1-4 are arranged in the middle of the fixed blocks 1-3, and the V-shaped grooves are arranged in the semicircular grooves 1-4. The semicircular grooves 1-4 are used for fixing the tree buds, the tree buds are placed in the semicircular grooves 1-4, the holding rods 4-6 are pulled downwards, the rotating rods 1-1 hinged on the holding rods 4-6 rotate at the hinged connection parts of the hinged seats 1-2, and the fixing blocks 1-3 move upwards.
The third concrete implementation mode:
referring to fig. 1-8, the bud cutter 2 includes a fixing plate 2-1, two support arms 2-2 and V-shaped blades 2-3, wherein the two support arms 2-2 are symmetrically and fixedly connected to the lower end of the fixing plate 2-1, the V-shaped blades 2-3 are disposed at the lower end of the fixing plate 2-1, and the V-shaped blades 2-3 are engaged with the V-shaped grooves. The V-shaped blade 2-3 is embedded into the V-shaped groove 1-5, the tree bud is cut off, and the end face is V-shaped.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1-8, the adjusting mechanism 3 includes a support 3-1, a sliding block 3-2, a screw rod 3-3, a hand-operated disk 3-4 and an insertion rod 3-5, the screw rod 3-3 is fixedly connected to the hand-operated disk 3-4, a bidirectional screw thread is arranged on the screw rod 3-3, two supports 3-1 are connected to the screw rod 3-3 by the screw thread, two sliding blocks 3-2 are oppositely arranged on the left and right sides of each support 3-1, and the insertion rod 3-5 is inserted into the upper ends of the two supports 3-1. The sliding block 3-2 has the function of enabling the two support seats 3-1 to slide in the adjusting groove 6-2, rotating the hand-cranking disc 3-4, enabling the screw rod 3-3 fixedly connected to the hand-cranking disc 3-4 to rotate, and adjusting the distance between the two support seats 3-1.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1-8, the vertical cutting device 4 includes vertical cutter arms 4-1, vertical cutters 4-2, springs i 4-3, springs ii 4-4, plate holes 4-5, holding rods 4-6 and support plates 4-7, the two vertical cutter arms 4-1 are symmetrically hinged to the insertion rod 3-5 in a front-back manner, the two springs i 4-3 are symmetrically arranged between the two vertical cutter arms 4-1 in a left-right manner, the left end of each vertical cutter arm 4-1 is provided with the vertical cutter 4-2, the right parts of the two vertical cutter arms 4-1 are provided with the plate holes 4-5, the two plate holes 4-5 are slidably connected with the support plates 4-7, the lower ends of the support plates 4-7 are fixedly connected with the springs ii 4-4, the right ends of the two vertical cutter arms 4-1 are rotatably connected with the holding rods 4-6, the rotating rod 1-1 is hinged in the middle of the holding rod 4-6, the two vertical cutter arms 4-1 rotate by taking the inserting rod 3-5 as an axis, the two vertical cutters 4-2 cut the barks of the trees to finally form two parallel cutter edges, the two springs I4-3 are used for limiting the distance between the two vertical cutter arms 4-1 by the two supports 3-1, and the springs II 4-4 are used for enabling the initial positions of the vertical cutters 4-2 to be parallel to the arc-shaped fixing plate 6-1.
The sixth specific implementation mode:
the present embodiment is described below with reference to fig. 1-8, wherein the transverse cutting knife 5 includes an upper wall plate 5-1, a wall plate 5-2, a transverse knife 5-3, a transverse knife arm 5-4, a rotating shaft 5-5, a fixing rod 5-6, and an arc-shaped groove 5-7, the lower end of the rotating shaft 5-5 is fixedly connected to the middle of the inserting rod 3-5, the rotating shaft 5-5 is rotatably connected to the transverse knife arm 5-4, the transverse knife 5-3 is arranged at the left end of the transverse knife arm 5-4, the right end of the transverse knife arm 5-4 is rotatably connected to the lower portion of the fixing rod 5-6, the fixing rod 5-6 is slidably connected to the arc-shaped groove 5-7, the arc-shaped groove 5-7 is arranged on the upper wall plate 5-1, and the two wall. The wall plate 5-2 plays a role of fixing and supporting, at the moment, the fixing rod 5-6 is pushed by hands, the fixing rod slides along the arc-shaped groove 5-7, the transverse cutter arm 5-4 rotates by taking the rotating shaft 5-5 as an axis, trees are transversely cut, a transverse cutter opening is intersected with two parallel cutter openings, barks are uncovered from the transverse cutter opening, the end part of the forest tree bud is inserted into the bark of the tree, and the tree bud is fixed by using a grafting adhesive tape.
The seventh embodiment:
the embodiment is described below with reference to fig. 1-8, the fixing base 6 includes an arc-shaped fixing plate 6-1, an adjusting groove 6-2 and a sliding groove 6-3, the arc-shaped fixing plate 6-1 is provided with the adjusting groove 6-2, the sliding grooves 6-3 are provided on the left and right sides of the adjusting groove 6-2, four sliding blocks 3-2 are slidably connected to the two sliding grooves 6-3, two hinge seats 1-2 are symmetrically and fixedly connected to the arc-shaped fixing plate 6-1 in the front-back direction, two support arms 2-2 are symmetrically and fixedly connected to the arc-shaped fixing plate 6-1 in the front-back direction, and two wall plates 5-2 are symmetrically and fixedly connected to the arc-.
The utility model discloses a theory of operation: the tree buds are fixed by the aid of the semicircular grooves 1-4, the tree buds are placed in the semicircular grooves 1-4, the holding rod 4-6 is pulled downwards, the rotating rod 1-1 hinged to the holding rod 4-6 rotates at the hinged joint of the hinged seat 1-2, the fixing block 1-3 moves upwards until the V-shaped blade 2-3 is embedded into the V-shaped groove 1-5, and the tree buds are cut off and the end face is V-shaped. The arc-shaped fixing plate 6-1 is tightly pressed at the grafting position of the trees, the slide block 3-2 is used for enabling the two support seats 3-1 to slide in the adjusting groove 6-2, the hand-cranking disc 3-4 is rotated, the screw rod 3-3 fixedly connected to the hand-cranking disc 3-4 is rotated, the distance between the two support seats 3-1 is adjusted, the distance between the two vertical cutter arms 4-1 is further changed, the holding rod 4-6 is pulled downwards, the two vertical cutter arms 4-1 rotate by taking the inserting rod 3-5 as an axis, the two vertical cutters 4-2 cut the barks of the trees to finally form two parallel cutter edges, the two springs I4-3 are used for limiting the distance between the two vertical cutter arms 4-1 by the two support seats 3-1, the springs II 4-4 are used for enabling the initial position of the vertical cutters 4-2 to be parallel to the arc-1, the wall plate 5-2 plays a role of fixing and supporting, at this time, the fixing rod 5-6 is pushed by hand, the fixing rod slides along the arc-shaped groove 5-7, so that the transverse cutter arm 5-4 rotates by taking the rotating shaft 5-5 as an axis, the tree is transversely cut, a transverse cutter opening is intersected with two parallel cutter openings, the bark is uncovered from the transverse cutter opening, the end part of the tree bud is inserted into the tree skin, and the tree bud is fixed by using a grafting adhesive tape.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a forest bud grafting ware, includes bud cutting seat (1), bud cutter (2), adjustment mechanism (3), vertical cutting device (4), horizontal cutting knife (5) and unable adjustment base (6), its characterized in that: a fixed connection bud cutting seat (1) and a bud cutter (2) are arranged on a fixed base (6), the left side of the bud cutting seat (1) is connected with a vertical cutting device (4), the vertical cutting device (4) is hinged to be connected with an adjusting mechanism (3), the adjusting mechanism (3) is connected to the fixed base (6) in a sliding mode, and a transverse cutting knife (5) is fixedly connected to the fixed base (6).
2. The forest bud grafting machine of claim 1, wherein: the bud cutting seat (1) comprises rotating rods (1-1), hinged seats (1-2), fixed blocks (1-3), semicircular grooves (1-4) and V-shaped grooves, the rotating rods (1-1) are hinged between the two hinged seats (1-2), the fixed blocks (1-3) are arranged at the right end of the rotating rods (1-1), the semicircular grooves (1-4) are arranged in the middles of the fixed blocks (1-3), and the V-shaped grooves are arranged in the semicircular grooves (1-4).
3. The forest bud grafting machine of claim 2, wherein: the bud cutter (2) comprises a fixing plate (2-1), support arms (2-2) and V-shaped blades (2-3), the two support arms (2-2) are symmetrically and fixedly connected to the lower end of the fixing plate (2-1) in a front-back mode, the V-shaped blades (2-3) are arranged at the lower end of the fixing plate (2-1), and the V-shaped blades (2-3) are matched with the V-shaped grooves.
4. The forest bud grafting machine of claim 3, wherein: the adjusting mechanism (3) comprises supports (3-1), sliders (3-2), a screw rod (3-3), a hand-operated disc (3-4) and an inserted rod (3-5), the hand-operated disc (3-4) is fixedly connected with the screw rod (3-3), the screw rod (3-3) is provided with a bidirectional thread, the screw rod (3-3) is connected with the two supports (3-1) in a threaded manner, the left side and the right side of each support (3-1) are oppositely provided with the two sliders (3-2), and the inserted rod (3-5) is inserted into the upper ends of the two supports (3-1).
5. The forest bud grafting machine of claim 4, wherein: the vertical cutting device (4) comprises vertical cutter arms (4-1), vertical cutters (4-2), springs I (4-3), springs II (4-4), plate holes (4-5), holding rods (4-6) and supporting plates (4-7), the two vertical cutter arms (4-1) are symmetrically hinged to the inserting rods (3-5) in a front-back mode, the two springs I (4-3) are symmetrically arranged between the two vertical cutter arms (4-1) in a left-right mode, the vertical cutter (4-2) is arranged at the left end of each vertical cutter arm (4-1), the plate holes (4-5) are formed in the right parts of the two vertical cutter arms (4-1), the supporting plates (4-7) are connected to the two plate holes (4-5) in a sliding mode, the springs II (4-4) are fixedly connected to the lower ends of the supporting plates (4-7), the right ends of the two vertical cutter arms (4-1) are rotatably connected with holding rods (4-6), and the rotating rods (1-1) are hinged in the middles of the holding rods (4-6).
6. The forest bud grafting machine of claim 5, wherein: the transverse cutting knife (5) comprises an upper wall plate (5-1), a wall plate (5-2), a transverse knife (5-3), a transverse knife arm (5-4), a rotating shaft (5-5), a fixed rod (5-6) and an arc-shaped groove (5-7), the lower end of the rotating shaft (5-5) is fixedly connected in the middle of the inserted rod (3-5), the rotating shaft (5-5) is rotatably connected with a transverse cutter arm (5-4), a transverse cutter (5-3) is arranged at the left end of the transverse cutter arm (5-4), the right end of the transverse cutter arm (5-4) is rotatably connected to the lower part of a fixing rod (5-6), the fixing rod (5-6) is slidably connected to an arc-shaped groove (5-7), the arc-shaped groove (5-7) is arranged on an upper wall plate (5-1), and two wall plates (5-2) are symmetrically arranged at the lower end of the upper wall plate (5-1).
7. The forest bud grafting machine of claim 6, wherein: the fixed base (6) comprises an arc-shaped fixed plate (6-1), adjusting grooves (6-2) and sliding grooves (6-3), the adjusting grooves (6-2) are formed in the arc-shaped fixed plate (6-1), the sliding grooves (6-3) are formed in the left side and the right side of each adjusting groove (6-2), four sliding blocks (3-2) are connected to the two sliding grooves (6-3) in a sliding mode, the two hinged seats (1-2) are fixedly connected to the arc-shaped fixed plate (6-1) in a front-back symmetrical mode, the two support arms (2-2) are fixedly connected to the arc-shaped fixed plate (6-1) in a front-back symmetrical mode, and the two wall plates (5-2) are fixedly connected to the arc-shaped fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618878.9U CN212970816U (en) | 2020-08-06 | 2020-08-06 | Forest bud grafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618878.9U CN212970816U (en) | 2020-08-06 | 2020-08-06 | Forest bud grafting device |
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| Publication Number | Publication Date |
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| CN212970816U true CN212970816U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021618878.9U Active CN212970816U (en) | 2020-08-06 | 2020-08-06 | Forest bud grafting device |
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| CN (1) | CN212970816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114679970A (en) * | 2022-03-22 | 2022-07-01 | 山东省林业科学研究院 | Forest sleeve grafting device |
| CN115486277A (en) * | 2022-09-30 | 2022-12-20 | 济南工程职业技术学院 | Jujube tree grafting and pruning device |
-
2020
- 2020-08-06 CN CN202021618878.9U patent/CN212970816U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114679970A (en) * | 2022-03-22 | 2022-07-01 | 山东省林业科学研究院 | Forest sleeve grafting device |
| CN115486277A (en) * | 2022-09-30 | 2022-12-20 | 济南工程职业技术学院 | Jujube tree grafting and pruning device |
| CN115486277B (en) * | 2022-09-30 | 2024-02-02 | 济南工程职业技术学院 | Jujube grafting pruning device |
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