CN214070760U - Jujube tree pruning blade disc - Google Patents

Jujube tree pruning blade disc Download PDF

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Publication number
CN214070760U
CN214070760U CN202022733503.3U CN202022733503U CN214070760U CN 214070760 U CN214070760 U CN 214070760U CN 202022733503 U CN202022733503 U CN 202022733503U CN 214070760 U CN214070760 U CN 214070760U
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China
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waistband
branch
saw blade
pruning
teeth
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沈从举
付威
张鑫
代亚猛
谭新赞
李帆
周艳
孟祥金
张斌
金新文
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Xinjiang Academy of Agricultural and Reclamation Sciences
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Xinjiang Academy of Agricultural and Reclamation Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/08Other tools for pruning, branching or delimbing standing trees
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

Abstract

The utility model discloses a jujube tree pruning cutter head, which comprises an annular waistband (1-2-7) and a saw blade (1-2-3), wherein a gap (1-2-6) is arranged on the surface of the waistband (1-2-7), the annular waistband (1-2-7) and the saw blade (1-2-3) are coaxially arranged, a rotating shaft (1-2-4) is arranged on the saw blade (1-2-3), the rotating shaft (1-2-4) is driven by a driving mechanism to drive the saw blade (1-2-3) to rotate by taking the rotating shaft (1-2-4) as the circle center, branch comb teeth are arranged on the outer surface of the waistband (1-2-7), and comprise a comb handle (1-2-1) and branch teeth (1-2-2), one end of the comb handle (1-2-1) is fixed on the outer side of the waistband (1-2-7), the branch teeth (1-2-2) are fixed on the comb handle (1-2-1), and symmetrical branch comb teeth are arranged on two sides of the gap (1-2-6).

Description

Jujube tree pruning blade disc
Technical Field
The utility model belongs to the garden machine field, concretely relates to front suspension type jujube tree trimming machine for pruning jujube tree branch.
Background
"world red date is in China, and Chinese red date sees Xinjiang". The planting area and the yield of Chinese red dates are the first in the world, the red dates serve as one of special Xinjiang forest fruits, and Xinjiang is the largest high-quality red date planting base in China. According to the latest new year book of Xinjiang and military grouping statistics, the method comprises the following steps: the planting area of Xinjiang red dates in 2017 is 714.4 ten thousand mu, the yield is 347 ten thousand tons, the army is 161.3 ten thousand mu, and the yield is 182 ten thousand tons. The yield of the southern Xinjiang red dates accounts for about 97% of the total yield of the whole Xinjiang, so the red date industry is an important support industry for the development of southern Xinjiang agriculture.
The dwarf dense planting trunk shape is the current planting mode of main pushing of the war group red dates. The pruning of the jujube trees is a key link of the standardized management of the jujube garden, and the seasonality is strong. Traditional artifical pruning wastes time and energy, inefficiency, can not satisfy the production requirement that the red date scale was planted, moreover because the problem that the labour is in short supply and leads to manufacturing cost to be high is outstanding day by day, red date economic benefits continuously descends, awaits urgently to research and develop the pruning mechanical equipment of jujube garden and replace manual work.
Because the texture density of red date branch is high, hardness is big, current fruit tree trimming machine (reciprocating type, rotary knife formula) mainly is applicable to fruit tree pruning such as grape and prunes the operation, is difficult to satisfy the requirement of jujube tree pruning, and present trimming machine is not applicable to the pruning of jujube branch, and the main problem lies in: firstly, the branch can not be effectively cut off (the branch is continuously easy to pull and damage), and secondly, the tree crown three-dimensional profiling layered pruning can not be realized.
Aiming at the whole-course operation machine tool of the red dates, no mature machine tool can be introduced and imitated abroad, relevant machines for harvesting, spraying, fertilizing and the like of the red dates are trial-produced in relevant colleges and universities and research units at home, but the relevant research on the mechanical trimming of the red dates is less. With the rapid development of standardization, scale and industrialization of a newly-built jujube garden, the whole-course mechanical management of the jujube garden is imperative, manual pruning and the existing pruning equipment cannot meet the technical requirements of the standardized garden building, and efficient, universal and high-degree pruning equipment is urgently needed to replace the traditional operation equipment.
Therefore, a jujube tree pruning cutter head suitable for jujube tree pruning is urgently needed in the market.
Disclosure of Invention
The utility model provides a simple structure can prune the operation in succession, has profile modeling function and layering pruning function, the effectual jujube tree pruning blade disc of actual operation pruning.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a jujube tree pruning blade disc which characterized in that: comprises an annular waistband 1-2-7 and a saw blade 1-2-3, wherein a gap 1-2-6 is arranged on the surface of the waistband 1-2-7, the annular waistband 1-2-7 and the saw blade 1-2-3 are coaxially arranged, a rotating shaft 1-2-4 is arranged on the saw blade 1-2-3, the rotating shaft 1-2-4 is driven by a driving mechanism to drive the saw blade 1-2-3 to rotate by taking the rotating shaft 1-2-4 as the circle center, the gap 1-2-6 of the waistband 1-2-7 is internally and externally communicated in an annular manner, namely the saw blade 1-2-3 can penetrate through the gap of the waistband 1-2-7,
the outer surface of the waistband 1-2-7 is provided with branch comb teeth, the branch comb teeth comprise a comb handle 1-2-1 and branch teeth 1-2-2, one end of the comb handle 1-2-1 is fixed on the outer side of the waistband 1-2-7, the branch teeth 1-2-2 are fixed on the comb handle 1-2-1, and symmetrical branch comb teeth are arranged on two sides of the gap 1-2-6.
The comb handle 1-2-1 and the waistband 1-2-7 form an included angle in the radial direction, and the included angle is 0-50 degrees.
The included angle formed between the branch teeth 1-2-2 and the comb handle 1-2-1 is 30-60 degrees.
The rotating shaft 1-2-4 of the driving saw blade 1-2-3 is coincident with or not coincident with the axle centers of the waistband 1-2-7 and the saw blade 1-2-3.
The rotation direction of the saw blade 1-2-3 is a forward direction or a reverse direction, the forward direction refers to the direction of the saw blade along the branch teeth 1-2-2, and the reverse direction refers to the direction of the saw blade opposite to the direction of the branch teeth 1-2-2.
The waistband 1-2-7 is in a sheet shape, is bent and connected in an ending way to form a circular ring shape, and a hollowed-out gap is arranged on the sheet shape and can be communicated with the two sides of the sheet-shaped waistband.
The branch trimmer specially used for pruning the jujube trees has the advantages of simple structure, capability of continuously trimming, profiling function, layered trimming function and good actual operation pruning effect.
Compared with the prior art, the utility model has the advantages of simple structure can prune the operation in succession, has profile modeling function and layering pruning function, and the actual work pruning is effectual.
Drawings
Fig. 1 is a schematic structural view of a pruning device.
Fig. 2 is a schematic structural view of a pruning mechanism fixing frame.
Fig. 3 is a schematic structural diagram of a pruning mechanism.
Fig. 4 is a schematic diagram of a waistband structure of the pruning mechanism.
Fig. 5 is a schematic view of the structure of the saw blade of the pruning mechanism.
Fig. 6 is a schematic view of a saw blade structure with an eccentric configuration of the drive shaft.
Fig. 7 is a schematic structural view of a pruning mechanism with an eccentric driving shaft.
Fig. 8 is a schematic diagram of the belt structure of the pruning mechanism with the driving shaft in an eccentric structure.
Fig. 9 is a schematic mechanism diagram of the traction type jujube tree pruning machine.
Fig. 10 is a schematic view of the structure of the pruning device connecting frame.
Fig. 11 is a schematic view of the suspension mechanism of the pruning device.
Fig. 12 is a schematic view of the fixing mechanism of the pruning device.
Fig. 13 is a schematic view of the structure of the self-walking trimmer.
Fig. 14 is a side view schematic of fig. 13.
Fig. 15 is a schematic view of the construction of the lower connecting means of the pruning means of the self-propelled trimmer.
FIG. 16 is a schematic view showing the structure of the connecting means of the pruning means of the self-propelled trimmer.
Fig. 17 is a schematic top view of the pruning device.
Fig. 18 is a schematic view of the opening structure of the pruning device in the pruning state.
Fig. 19 is a schematic structural view II of the profiling mechanism of the pruning mechanism.
Shown in the figure:
1 is a pruning device, 1-1 is a profiling wheel,
1-2 is a pruning mechanism, 1-2-1 is a comb handle, 1-2-2 is branch teeth, 1-2-3 is a saw blade, 1-2-4 is a rotating shaft, 1-2-5 is a fixed end, 1-2-6 is a gap, 1-2-7 is a waistband, 1-2-8 is saw teeth,
1-3 is an upper fixed seat, 1-4 is a driving mechanism, 1-5 is an upper connecting seat, 1-6 is a lower connecting seat, 1-7 is a lower fixed seat, 1-8 is a pruning mechanism fixing frame, 1-9 is a hinged seat A,
2 is a fixing mechanism, 2-1 is a cross bar sleeve, 2-2 is an upright post, 2-3 is a resetting mechanism hinged seat, 2-4 is a trimming mechanism lower hinged seat, 2-5 is a height adjusting sleeve, 2-6 is a height adjusting rod, 2-7 is an adjusting pin hole, 2-8 is a trimming mechanism upper hinged seat, 2-9 is a profiling mechanism,
3 is a hanging mechanism, 3-1 is a cross bar, 3-2 is a telescopic rod oil cylinder hinge part A, 3-3 is a left and right adjusting rod, 3-4 is a left and right adjusting rod sleeve, 3-5 is a telescopic rod oil cylinder hinge part B, 3-6 is an angle adjusting oil cylinder hinge part A, 3-7 is an angle adjusting oil cylinder hinge part B, 3-8 is a lifting oil cylinder hinge part A, 3-9 is a lifting rod, 3-10 is an inclination angle adjusting oil cylinder hinge part A, 3-11 is a lifting rod sleeve, 3-12 is a lifting oil cylinder hinge part B, 3-13 is a fixed frame hinge part,
4 is a connecting frame, 4-1 is a hinged part B of an inclination angle adjusting oil cylinder, 4-2 is a tractor connecting part, 4-3 is a hinged seat of a suspension mechanism,
5 is a traction locomotive, 6 is an oil cylinder, 7 is a lower connecting device, 8 is an upper connecting device, and 9 is a self-walking locomotive.
Detailed Description
The preferred embodiments of the present invention will be described in detail below.
Example 1: the embodiment discloses preceding suspension type jujube tree trimming machine, including running gear, its characterized in that:
the running mechanism is a traction locomotive 5, the traction locomotive 5 can run by itself, a suspension bracket is arranged on the traction locomotive 5,
the traction locomotive 5 is provided with a pruning device 1, the pruning device 1 is connected with the traveling mechanism through a connecting mechanism, namely the pruning device 1 is arranged on a suspension bracket of the traction locomotive 5 through the connecting mechanism,
the pruning device 1 has the following structure:
comprises an upper fixed seat 1-3, a lower fixed seat 1-7 and a pruning mechanism fixed mount 1-8, wherein the upper fixed seat 1-3 and the lower fixed seat 1-7 are respectively arranged at two ends of the pruning mechanism fixed mount 1-8, the upper fixed seat 1-3 is connected with an upper connecting seat 1-5 through a hinged seat A1-9, the lower fixed seat 1-7 is connected with a lower connecting seat 1-6 through a hinged seat A1-9,
the upper fixed seat 1-3 or the lower fixed seat 1-7 is provided with an oil cylinder seat, the oil cylinder seat is connected with an oil cylinder or an elastic mechanism, the other end of the oil cylinder or the elastic mechanism is fixedly connected, and the pruning device can swing by a hinged seat when the pruning device needs to swing by the extension and contraction of the oil cylinder or the elasticity of the elastic mechanism,
a plurality of pruning mechanisms 1-2 are arranged on a pruning mechanism fixing frame 1-8, the pruning mechanisms 1-2 are sequentially arranged on the pruning mechanism fixing frame 1-8 from top to bottom, namely different pruning mechanisms 1-2 are arranged on different horizontal layers of the pruning mechanism fixing frame 1-8,
the pruning mechanism 1-2 comprises an annular waistband 1-2-7 and a saw blade 1-2-3, a gap 1-2-6 is arranged on the surface of the waistband 1-2-7, the waistband 1-2-7 is in a sheet shape, the gap 1-2-6 is a hollow groove body, two sides of the waistband 1-2-7 can be communicated, the sheet-shaped waistband 1-2-7 is bent and connected in a tail manner to form the annular waistband 1-2-7, the saw blade 1-2-3 is arranged in an annular area enclosed by the waistband 1-2-7, a rotating shaft 1-2-4 is arranged on the saw blade 1-2-3, the rotating shaft 1-2-4 is driven by a driving mechanism to drive the saw blade 1-2-3 to rotate by taking the rotating shaft 1-2-4 as a circle center,
the outer surface of the waistband 1-2-7 is provided with branch comb teeth, the branch comb teeth are arranged on two sides of the gap 1-2-6, the branch comb teeth comprise comb handles 1-2-1 and branch teeth 1-2-2, one end of each comb handle 1-2-1 is fixed on the outer side of the waistband 1-2-7, and a plurality of branch teeth 1-2-2 are fixed on the comb handles 1-2-1.
The comb handle 1-2-1 and the waistband 1-2-7 form an included angle in the radial direction, and the included angle is 0-50 degrees.
The included angle formed between the branch teeth 1-2-2 and the comb handle 1-2-1 is 30-60 degrees.
The rotating shaft 1-2-4 of the driving saw blade 1-2-3 is coincident or not coincident with the axle center of the waistband 1-2-7.
The rotating shaft 1-2-4 of the driving saw blade 1-2-3 is coincident with or not coincident with the axle center of the saw blade 1-2-3.
The connecting mechanism includes: a hanging mechanism 3, a fixing mechanism 2 and a connecting frame 4,
the connecting frame 4 is provided with an inclination angle adjusting oil cylinder hinge part B4-1, a tractor connecting part 4-2 and a suspension mechanism hinge seat 4-3, the tractor connecting part 4-2 is connected on a traction locomotive 5,
the suspension mechanism 3 includes: a lifting rod 3-9 and a lifting rod sleeve 3-11, wherein one end of the lifting rod sleeve 3-11 is provided with a fixed frame articulated part 3-13, the lifting rod 3-9 and the lifting rod sleeve 3-11 are mutually inserted and can move relatively, the fixed frame articulated part 3-13 can be articulated on a suspension mechanism articulated seat 4-3, the lifting rod 3-9 is provided with a lifting oil cylinder articulated part A3-8, the lifting rod sleeve 3-11 is provided with an inclination angle adjusting oil cylinder articulated part A3-10 and a lifting oil cylinder articulated part B3-12, an oil cylinder is arranged between the inclination angle adjusting oil cylinder articulated part A3-10 and the inclination angle adjusting oil cylinder articulated part B4-1, and an oil cylinder is arranged between the lifting oil cylinder articulated part B3-12 and the lifting oil cylinder articulated part A3-8,
a left and a right adjusting rod sleeve 3-4 are arranged on the lifting rod 3-9, the left and the right adjusting rod sleeve 3-4 are inserted into the left and the right adjusting rod 3-3, the left and the right adjusting rod 3-3 are provided with an angle adjusting oil cylinder articulated part A3-6, the left and the right adjusting rod sleeve 3-4 are provided with a telescopic rod oil cylinder articulated part B3-5, the left and the right adjusting rod 3-3 are provided with a telescopic rod oil cylinder articulated part A3-2, an oil cylinder is arranged between the telescopic rod oil cylinder articulated part B3-5 and the telescopic rod oil cylinder articulated part A3-2,
the other end of the left and right adjusting rod 3-3 is hinged with a balance seat, a cross rod 3-1 can be inserted into the balance seat, the cross rod 3-1 can move freely on the balance seat, an angle adjusting oil cylinder hinged part B3-7 is arranged on the cross rod 3-1, and an oil cylinder is arranged between the angle adjusting oil cylinder hinged part B3-7 and the angle adjusting oil cylinder hinged part A3-6;
the fixing mechanism 2 includes: a vertical column 2-2 and a height adjusting rod 2-6, wherein one end of the vertical column 2-2 is provided with a cross rod sleeve 2-1, the cross rod sleeve 2-1 can be sleeved on a cross rod 3-1 and can freely move on the cross rod 3-1,
a resetting mechanism hinged seat 2-3 and a height adjusting sleeve 2-5 are arranged on the upright post 2-2, an oil cylinder is arranged between the resetting mechanism hinged seat 2-3 and the oil cylinder seat,
the height adjusting rod 2-6 can move in the height adjusting sleeve 2-5 and is fixed in position, the height adjusting rod 2-6 is provided with an upper hinge seat 2-8 of the trimming mechanism and a lower hinge seat 2-4 of the trimming mechanism, and the upper hinge seat 2-8 of the trimming mechanism and the lower hinge seat 2-4 of the trimming mechanism are respectively connected with an upper fixing seat 1-3 and a lower fixing seat 1-7.
In actual use: the position and the angle of the fixing mechanism 2 can be adjusted by controlling the oil cylinder through adjusting the oil cylinder between the lifting oil cylinder hinge part A3-8) and the lifting oil cylinder hinge part B3-12, the oil cylinder between the inclination angle adjusting oil cylinder hinge part A3-10 and the inclination angle adjusting oil cylinder hinge part B4-1, and the oil cylinder between the angle adjusting oil cylinder hinge part A3-6 and the angle adjusting oil cylinder hinge part B3-7, so that the branch pruning is realized.
When the pruning machine works, the saw blade of the pruning mechanism rotates, the branches are gathered between the branch teeth by the comb handle and the branch teeth, and the branches between the branch teeth are cut off by the saw blade.
Example 2: the utility model provides a three-dimensional layering profile modeling jujube tree trimming means which characterized in that: comprises an upper fixed seat 1-3, a lower fixed seat 1-7 and a pruning mechanism fixed mount 1-8, wherein the upper fixed seat 1-3 and the lower fixed seat 1-7 are respectively arranged at two ends of the pruning mechanism fixed mount 1-8, the upper fixed seat 1-3 is connected with an upper connecting seat 1-5 through a hinged seat A1-9, the lower fixed seat 1-7 is connected with a lower connecting seat 1-6 through a hinged seat A1-9,
the upper fixed seat 1-3 or the lower fixed seat 1-7 is provided with an oil cylinder seat, the oil cylinder seat is connected with an oil cylinder or an elastic mechanism, the other end of the oil cylinder or the elastic mechanism is fixedly connected, and the pruning device can swing by a hinged seat when the pruning device needs to swing by the extension and contraction of the oil cylinder or the elasticity of the elastic mechanism,
a plurality of pruning mechanisms 1-2 are arranged on a pruning mechanism fixing frame 1-8, the pruning mechanisms 1-2 are sequentially arranged on the pruning mechanism fixing frame 1-8 from top to bottom, namely different pruning mechanisms 1-2 are arranged on different horizontal layers of the pruning mechanism fixing frame 1-8,
the pruning mechanism 1-2 comprises an annular waistband 1-2-7 and a saw blade 1-2-3, a gap 1-2-6 is arranged on the surface of the waistband 1-2-7, the waistband 1-2-7 is in a sheet shape, the gap 1-2-6 is a hollow groove body, two sides of the waistband 1-2-7 can be communicated, the sheet-shaped waistband 1-2-7 is bent and connected in a tail manner to form the annular waistband 1-2-7, the saw blade 1-2-3 is arranged in an annular area enclosed by the waistband 1-2-7, a rotating shaft 1-2-4 is arranged on the saw blade 1-2-3, the rotating shaft 1-2-4 is driven by a driving mechanism to drive the saw blade 1-2-3 to rotate by taking the rotating shaft 1-2-4 as a circle center,
the outer surface of the waistband 1-2-7 is provided with branch comb teeth, the branch comb teeth are arranged on two sides of the gap 1-2-6, the branch comb teeth comprise comb handles 1-2-1 and branch teeth 1-2-2, one end of each comb handle 1-2-1 is fixed on the outer side of the waistband 1-2-7, and a plurality of branch teeth 1-2-2 are fixed on the comb handles 1-2-1.
The comb handle 1-2-1 and the waistband 1-2-7 form an included angle in the radial direction, and the included angle is 0-50 degrees.
The included angle formed between the branch teeth 1-2-2 and the comb handle 1-2-1 is 30-60 degrees.
The rotating shaft 1-2-4 of the driving saw blade 1-2-3 is coincident or not coincident with the axle center of the waistband 1-2-7.
The rotating shaft 1-2-4 of the driving saw blade 1-2-3 is coincident with or not coincident with the axle center of the saw blade 1-2-3.
Example 3: the utility model provides a jujube tree pruning blade disc which characterized in that: the belt comprises annular waistbands 1-2-7 and saw blades 1-2-3, wherein gaps 1-2-6 are formed in the surfaces of the waistbands 1-2-7, the waistbands 1-2-7 are sheet-shaped, the gaps 1-2-6 are hollow grooves and can communicate the two sides of the waistbands 1-2-7, the sheet-shaped waistbands 1-2-7 are bent and connected in an end-to-end mode to form the annular waistbands 1-2-7, the saw blades 1-2-3 are arranged in an annular area defined by the waistbands 1-2-7, rotating shafts 1-2-4 are arranged on the saw blades 1-2-3, the rotating shafts 1-2-4 are driven by a driving mechanism to drive the saw blades 1-2-3 to rotate by taking the rotating shafts 1-2-4 as circle centers,
the outer surface of the waistband 1-2-7 is provided with branch comb teeth, the branch comb teeth are arranged on two sides of the gap 1-2-6, the branch comb teeth comprise comb handles 1-2-1 and branch teeth 1-2-2, one end of each comb handle 1-2-1 is fixed on the outer side of the waistband 1-2-7, and a plurality of branch teeth 1-2-2 are fixed on the comb handles 1-2-1.
The comb handle 1-2-1 and the waistband 1-2-7 form an included angle in the radial direction, and the included angle is 0-50 degrees.
The included angle formed between the branch teeth 1-2-2 and the comb handle 1-2-1 is 30-60 degrees.
The rotating shaft 1-2-4 of the driving saw blade 1-2-3 is coincident or not coincident with the axle center of the waistband 1-2-7.
The rotating shaft 1-2-4 of the driving saw blade 1-2-3 is coincident with or not coincident with the axle center of the saw blade 1-2-3.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many changes and modifications can be made without departing from the inventive concept, and these are all within the scope of the present invention.

Claims (4)

1. The utility model provides a jujube tree pruning blade disc which characterized in that: comprises an annular waistband (1-2-7) and a saw blade (1-2-3), wherein a gap (1-2-6) is arranged on the surface of the waistband (1-2-7), the annular waistband (1-2-7) and the saw blade (1-2-3) are coaxially arranged, a rotating shaft (1-2-4) is arranged on the saw blade (1-2-3), the rotating shaft (1-2-4) is driven by a driving mechanism to drive the saw blade (1-2-3) to rotate by taking the rotating shaft (1-2-4) as the center of a circle,
the outer surface of the waistband (1-2-7) is provided with branch comb teeth, the branch comb teeth comprise comb handles (1-2-1) and branch teeth (1-2-2), one end of each comb handle (1-2-1) is fixed on the outer side of the waistband (1-2-7), the branch teeth (1-2-2) are fixed on the comb handles (1-2-1), and the two sides of the gap (1-2-6) are provided with symmetrical branch comb teeth.
2. The jujube tree pruning cutterhead of claim 1, wherein:
the comb handle (1-2-1) and the waistband (1-2-7) form an included angle in the radial direction, and the included angle is 0-50 degrees.
3. The jujube tree pruning cutterhead of claim 1, wherein:
an included angle formed between the branch teeth (1-2-2) and the comb handle (1-2-1) is 30-60 degrees.
4. The jujube tree pruning cutterhead of claim 1, wherein:
the rotating shaft (1-2-4) of the driving saw blade (1-2-3) is coincident with or not coincident with the axes of the waistband (1-2-7) and the saw blade (1-2-3).
CN202022733503.3U 2020-10-21 2020-11-23 Jujube tree pruning blade disc Active CN214070760U (en)

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CN202022752778.1U Active CN213907609U (en) 2020-10-21 2020-11-23 Special suspension type jujube tree trimmer before jujube tree branch is pruned
CN202011322007.7A Pending CN112314225A (en) 2020-10-21 2020-11-23 Special suspension type jujube tree trimmer before jujube tree branch is pruned
CN202011323441.7A Active CN112369241B (en) 2020-10-21 2020-11-23 Jujube tree pruning cutter head and three-dimensional layered profiling jujube tree pruning device formed by same
CN202022738679.8U Active CN214046757U (en) 2020-10-21 2020-11-23 Three-dimensional layering profile modeling jujube tree trimming means
CN202022733503.3U Active CN214070760U (en) 2020-10-21 2020-11-23 Jujube tree pruning blade disc
CN202120981890.4U Active CN215269599U (en) 2020-10-21 2021-05-08 Self-propelled layering jujube tree trimming machine
CN202110501569.6A Pending CN113196972A (en) 2020-10-21 2021-05-08 Self-propelled layering jujube tree trimming machine

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CN202022752778.1U Active CN213907609U (en) 2020-10-21 2020-11-23 Special suspension type jujube tree trimmer before jujube tree branch is pruned
CN202011322007.7A Pending CN112314225A (en) 2020-10-21 2020-11-23 Special suspension type jujube tree trimmer before jujube tree branch is pruned
CN202011323441.7A Active CN112369241B (en) 2020-10-21 2020-11-23 Jujube tree pruning cutter head and three-dimensional layered profiling jujube tree pruning device formed by same
CN202022738679.8U Active CN214046757U (en) 2020-10-21 2020-11-23 Three-dimensional layering profile modeling jujube tree trimming means

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CN213907609U (en) * 2020-10-21 2021-08-10 新疆农垦科学院 Special suspension type jujube tree trimmer before jujube tree branch is pruned
CN114651620B (en) * 2022-04-09 2023-04-25 江西贝加尔河生态农业发展有限公司 Pruning device and method for fruit tree crotch

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CN214046757U (en) 2021-08-27
CN213907609U (en) 2021-08-10

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