CN108575375A - A kind of fruit tree clipping device - Google Patents
A kind of fruit tree clipping device Download PDFInfo
- Publication number
- CN108575375A CN108575375A CN201810410513.8A CN201810410513A CN108575375A CN 108575375 A CN108575375 A CN 108575375A CN 201810410513 A CN201810410513 A CN 201810410513A CN 108575375 A CN108575375 A CN 108575375A
- Authority
- CN
- China
- Prior art keywords
- rod
- pedestal
- electromagnet
- fruit tree
- rotating bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- 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
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
- A01G3/0255—Tree pruners, i.e. pruning shears carried at the end of a pole
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
The invention discloses a kind of fruit tree clipping device, the upper end of the body of rod is equipped with cylinder, and body of rod lower end is connect with pedestal；Slidably connect sliding shoe in cylinder, the lower end of the upper end of sliding shoe respectively with two drive links is hinged, and is equipped between two drive links and struts spring body, the upper end of every drive link is hinged with a blade respectively, is hinged between two blades；The lower end of sliding shoe and the upper end of spring connect, the lower end of spring is connect with the support plate being fixed on cylinder inboard wall, the lower end of sliding shoe is also connect with the upper end of steel wire rope, steel wire rope sequentially passes through the through-hole in the middle part of spring and support plate and bypasses the fixed pulley being set in pedestal by its lower end behind body of rod inside and connect with the left end of rotating bar, it is articulated in pedestal in the middle part of rotating bar, the right end of rotating bar is pierced by pedestal and is equipped with handle.Apparatus of the present invention are simple in structure, light-weight, when being trimmed to fruit tree, can realize light, flexible operation, and fruit tree trimming working efficiency can be greatly improved.
Description
Technical field
The present invention relates to planting fruit trees technical field, more particularly to a kind of fruit tree clipping device.
Background technology
Many fruit trees need to carry out branch trimming to it every year, to ensure that scientific and reasonable fruiting, traditional trimming are done
Method is ascending stair trimming or binds cutter with bamboo pole and trimmed, such as ascending stair is trimmed, since the environment in orchard is complicated,
It is difficult to convenient, flexible mobile ladder, is caused not only laborious but also time-consuming during trimming；For being bundled on bamboo pole
Cutter is trimmed, since only simply the tools such as cutter being bundled on bamboo pole, to much thicker branch
It is cut, is unusual laboriously something, operation is long to be easy that the palm of the hand is made to grind bubble, and is easy that arm and shoulder is made to produce
Raw fatigue.Therefore, above-mentioned two method implements not only operation heaviness but also trimming is dumb, while also making operating personnel easy
In fatigue, cause fruit tree trimming working efficiency low, thus needs are a kind of dedicated for building the tool of fruit tree, with
Overcome drawbacks described above.
Invention content
The purpose of the present invention is overcoming above-mentioned problems of the prior art, a kind of fruit tree clipping device is provided.
The technical scheme is that：A kind of fruit tree clipping device, including the hollow body of rod, the upper end of the body of rod
Equipped with the cylinder for being located at same axis with the body of rod, body of rod lower end is fixedly connected with pedestal；Being slidably connected in the cylinder can
The sliding shoe moved up and down along cylinder inboard wall, the lower end of the upper end of sliding shoe respectively with two drive links are hinged, two transmissions
It is equipped between bar and struts spring body, the lower end of the upper end of every drive link respectively with a blade is hinged, and is mutually cut with scissors between two blades
It connects, and the blade of two blades is opposite；The lower end of the sliding shoe and the upper end of spring connect, and lower end and the support plate of spring connect
It connects, support plate is fixed on the inner wall of cylinder, and through-hole is offered in the middle part of support plate, and the lower end of sliding shoe is also upper with steel wire rope
End connection, steel wire rope sequentially pass through the through-hole in the middle part of spring inner and support plate and by body of rod inside after, lower end penetrates seat
It connects in vivo and around the left end of the fixed pulley and rotating bar that are set in pedestal, the middle part of the rotating bar is hinged by articulated shaft
In in pedestal, the right end of rotating bar is pierced by pedestal and is equipped with handle, is further opened in the pedestal for the rotating bar around hinged
The cavity of shaft rotation required activity space when dynamic；It is additionally provided with hand-held part on the pedestal.
The above-mentioned spring body that struts is torsionspring, and two torque arm ends of torsionspring are corresponding with two drive links respectively to be fixed
Connection.
The blade of above-mentioned two blade is the curved blade of indent.
The side wall of above-mentioned sliding shoe is equipped with longitudinal draw runner, and the inner wall of the cylinder is equipped with longitudinal chute, the longitudinal direction
It is slidably connected between draw runner and longitudinal chute.
The quantity of above-mentioned hand-held part is two, is respectively arranged on the left and right sides of pedestal.
Above-mentioned rotating bar is length-adjustable telescopic rod, and rotating bar includes sleeve and the body of rod, and the body of rod is sheathed on sleeve
Interior and be slidably connected with sleeve, sleeve is equipped with the adjusting bolt for fixed rotation pole length, and the body of rod passes through the hinge
Spindle is articulated in pedestal, and the handle is arranged in the right end of sleeve.
Click is additionally provided between the above-mentioned body of rod and pedestal, the click is used for during pulling rotating bar
Accomplish that interval exerts a force.
Above-mentioned click include the ratchet being fixed on the pedestal and be articulated on the body of rod with the spine
The pawl for matching and engaging to be taken turns, electromagnet one is fixed on the pawl, the left end of electromagnet one is the poles S, and right end is the poles N,
Left side on the body of rod positioned at pawl is also hinged with electromagnet two, and the middle part of wherein electromagnet two is articulated with by shaft on the body of rod,
One end of electromagnet two is the poles S, and the other end is the poles N, and one end of electromagnet two is connected in the clamp spring in two left side of electromagnet,
The right end of electromagnet two is extremely opposite with the S of electromagnet one, when the S of the poles N of electromagnet two and electromagnet one is extremely opposite, heteropolar
Under the action of magnetic attraction, the click is in the lock state, when the S of the poles S of electromagnet two and electromagnet one is extremely opposite,
Under the action of homo-polarity magnetic repulsion force, the click is in the unlocked state；Limited block is additionally provided on the right side of the pawl, it is described
Limited block is fixed on the body of rod.
Guide pipe is additionally provided in the above-mentioned body of rod, the steel wire rope is arranged in the guide pipe.
In the embodiment of the present invention, a kind of fruit tree clipping device is provided, operator can be made by the handle on pedestal
The stable body of rod for lifting the present invention trims fruit tree, is based on lever principle, uses the i.e. available hand of seldom strength
Rotating bar is pulled, by the rotation of rotating bar, steel wire rope is driven to pull downward on, to drive sliding shoe to move downward, sliding shoe
Two drive links is driven to collapse after movement and moved into cylinder, scissors can be realized in the process, fruit tree is cut
It is disconnected；While sliding shoe moves downward, sliding shoe is also upwarded pressure by spring, after cutting branch, loosens rotating bar,
It in the upward elastic force of spring and struts strutting for spring body and two blades can be realized under force effect opens again, to wait for that next time repaiies
It cuts.By the way that blade to be set as to the arcuate structure of indent, can two blades cut close during steadily block branch, simultaneously
It can also play the role of certain cutting-up during cutting, to be conducive to cut branch.Apparatus of the present invention are simple in structure, weight
Amount is light, when being trimmed to fruit tree, can realize light, flexible operation, and fruit tree trimming work can be greatly improved
Efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the click structural schematic diagram of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain be not restricted by specific implementation.
Referring to Fig. 1, an embodiment of the present invention provides a kind of fruit tree clipping device, including the hollow body of rod 2, the bars
The upper end of body 2 is equipped with the cylinder 5 for being located at same axis with the body of rod 2, and 2 lower end of the body of rod is fixedly connected with pedestal 10；In the cylinder 5
Slidably connect can along the sliding shoe 4 that 5 inner wall of cylinder moves up and down, the upper end of sliding shoe 4 respectively under two drive links 3
End is hinged, and is equipped between two drive links 3 and struts spring body 9, the upper end of the every drive link 3 lower end phase with a blade 1 respectively
It is hinged, it is hinged between two blades 1, and the blade 1-1 of two blades 1 is opposite；The lower end of the sliding shoe 4 and spring 6
Upper end connects, and the lower end of spring 6 is connect with support plate 7, and support plate 7 is fixed on the inner wall of cylinder 5, and the middle part of support plate 7 is opened
Equipped with through-hole, the lower end of sliding shoe 4 is also connect with the upper end of steel wire rope 8, and steel wire rope 8 sequentially passes through 6 inside of spring and support plate 7
The through-hole at middle part and by 2 inside of the body of rod after, lower end penetrate in pedestal 10 and around the fixed pulley 14 being set in pedestal 10 with
The left end of rotating bar 12 connects, and the middle part of the rotating bar 12 is articulated with by articulated shaft 15 in pedestal 10, the right side of rotating bar 12
End is pierced by pedestal 10 and is equipped with handle 16, is further opened in the pedestal 10 and rotates when institute around articulated shaft 15 for the rotating bar 12
Need the cavity 11 of activity space；Hand-held part 13 is additionally provided on the pedestal 10.Apparatus of the present invention can by the handle on pedestal
So that the body of rod for lifting the present invention that operator stablizes is trimmed fruit tree, is based on lever principle, uses seldom strength
I.e. available hand pulls rotating bar, by the rotation of rotating bar, drives steel wire rope to pull downward on, to drive sliding shoe to transport downwards
It is dynamic, two drive links is driven to collapse after sliding shoe movement and moved into cylinder, scissors can be realized in the process to fruit
The cutting of branch item；While sliding shoe moves downward, sliding shoe is also upwarded pressure by spring, after cutting branch,
Loosen rotating bar, in the upward elastic force of spring and struts strutting for spring body and two blades can be realized under force effect open again
It opens, to wait for next trimming.
Further, the spring body 9 that struts is torsionspring, and two torque arm ends of torsionspring are driven with two respectively
The correspondence of bar 3 is fixedly connected.
Further, the blade 1-1 of two blades 1 is the curved blade of indent.By the arc that blade is set as to indent
Shape structure, can during two blades are cut and are closed steadily block branch, while one can also be played during cutting
Fixed cutting-up effect, to be conducive to cut branch.
Further, the side wall of the sliding shoe 4 is equipped with longitudinal draw runner, and the inner wall of the cylinder 5 is equipped with longitudinal slide
Slot is slidably connected between the longitudinal direction draw runner and longitudinal chute.It is slidably connected by longitudinal draw runner and longitudinal chute to coordinate, energy
Enough so that blade will not rotate in the horizontal plane.
Further, the quantity of the hand-held part 13 is two, is respectively arranged on the left and right sides of pedestal 10.Pass through two hands
What the portion of holding can stablize handles whole device with two hand handles.
Further, the rotating bar 12 is length-adjustable telescopic rod, and rotating bar 12 includes sleeve 12-1 and body of rod 12-
2, the body of rod 12-2 are sheathed in sleeve 12-1 and are slidably connected with sleeve 12-1, sleeve 12-1, are equipped with and turn for fixed
The adjusting bolt 17 of 12 length of lever, the body of rod 12-2 are articulated with by the articulated shaft 15 in pedestal 10, sleeve 12-1's
The handle 16 is arranged in right end.If shear thicker fruit tree, the length of rotating bar 12 is adjusted, then utilizes lever
Principle, can be laborsaving during shearing.
Further, click is additionally provided between the body of rod 12-2 and pedestal 10, the click is for pulling
Accomplish that interval exerts a force during turn lever 12, due to there is click, so that can be with when shearing thicker branch
Gradually exert force so that the hand for pulling rotating bar 12 can be made to rest at any time during shearing, play light shearing
The effect of thicker branch.
Further, referring to Fig. 2, the click includes the ratchet 18-1 being fixed on the pedestal 10 and is hinged
In being fixed with electricity on the pawl 18-2, the pawl 18-2 that match and engage with the ratchet 18-1 on the body of rod 12-2
The left end of one 18-3 of magnet, one 18-3 of electromagnet are the poles S, and right end is the poles N, is also cut with scissors positioned at the left side of pawl 18-2 on body of rod 12-2
It is connected to two 18-4 of electromagnet, the middle part of wherein two 18-4 of electromagnet is articulated with by shaft 18-7 on body of rod 12-2, electromagnet two
One end of 18-4 is the poles S, and the other end is the poles N, and one end of two 18-4 of electromagnet is connected in the card on the left of two 18-4 of electromagnet
In spring 18-6, the right end of two 18-4 of electromagnet is extremely opposite with the S of one 18-3 of electromagnet, the poles N as two 18-4 of electromagnet and electromagnetism
When the S of one 18-3 of iron is extremely opposite, under the action of heteropolar magnetic attraction, the click is in the lock state, when electromagnet two
When the poles S of 18-4 are extremely opposite with the S of one 18-3 of electromagnet, under the action of homo-polarity magnetic repulsion force, the click is in unlock
State；Limited block 18-5 is additionally provided on the right side of the pawl 18-2, the limited block 18-5 is fixed on body of rod 12-2, limited block
It excessively turns right when 18-5 is for preventing pawl 18-2 from unlocking.It, can be convenient right by rotating two 18-4 of electromagnet at any time
Click is locked and is unlocked, to when shearing thicker branch, be convenient for compounding practice rotating bar 12, reach convenient
The purpose of the thicker branch of shearing.
Further, guide pipe is additionally provided in the body of rod 2, the steel wire rope 8 is arranged in the guide pipe.Guide pipe
It can play the role of carrying out steel wire rope the work of the casing on the brake power transmission steel wire of upper and lower directions collimation and bicycle
With identical.
In conclusion a kind of fruit tree clipping device provided in an embodiment of the present invention, it can by the handle on pedestal
So that the body of rod for lifting the present invention that operator stablizes is trimmed fruit tree, is based on lever principle, uses seldom strength
I.e. available hand pulls rotating bar, by the rotation of rotating bar, drives steel wire rope to pull downward on, to drive sliding shoe to transport downwards
It is dynamic, two drive links is driven to collapse after sliding shoe movement and moved into cylinder, scissors can be realized in the process to fruit
The cutting of branch item；While sliding shoe moves downward, sliding shoe is also upwarded pressure by spring, after cutting branch,
Loosen rotating bar, in the upward elastic force of spring and struts strutting for spring body and two blades can be realized under force effect open again
It opens, to wait for next trimming.It, can be during two blades be cut and are closed steadily by the way that blade to be set as to the arcuate structure of indent
Branch is blocked, while certain cutting-up can also be played the role of during cutting, to be conducive to cut branch.The present invention fills
Set it is simple in structure, it is light-weight, when being trimmed to fruit tree, can realize light, flexible operation, fruit tree can be greatly improved
Branch trims working efficiency.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (9)
1. a kind of fruit tree clipping device, including the hollow body of rod (2), which is characterized in that the upper end of the body of rod (2) is equipped with
It is located at the cylinder (5) of same axis with the body of rod (2), the body of rod (2) lower end is fixedly connected with pedestal (10)；It is sliding in the cylinder (5)
It is dynamic be connected with can along the sliding shoe (4) that cylinder (5) inner wall moves up and down, the upper end of sliding shoe (4) respectively with two drive links
(3) lower end is hinged, and is equipped between two drive links (3) and struts spring body (9), and the upper end of every drive link (3) is respectively with one
The lower end of blade (1) is hinged, and is hinged between two blades (1), and the blade (1-1) of two blades (1) is opposite；The cunning
The lower end of motion block (4) is connect with the upper end of spring (6), and the lower end of spring (6) is connect with support plate (7), and support plate (7) is fixed on
On the inner wall of cylinder (5), through-hole is offered in the middle part of support plate (7), the upper end of the lower end of sliding shoe (4) also with steel wire rope (8)
Connection, steel wire rope (8) sequentially pass through that spring (6) is internal and support plate (7) in the middle part of through-hole and by the body of rod (2) inside after,
Lower end penetrates in pedestal (10) and is connect with the left end of rotating bar (12) around the fixed pulley (14) being set in pedestal (10), described
The middle part of rotating bar (12) is articulated with by articulated shaft (15) in pedestal (10), and the right end of rotating bar (12) is pierced by pedestal (10) simultaneously
Equipped with handle (16), required activity when being rotated around articulated shaft (15) for the rotating bar (12) is further opened in the pedestal (10)
The cavity (11) in space；It is additionally provided with hand-held part (13) on the pedestal (10).
2. a kind of fruit tree clipping device as described in claim 1, which is characterized in that the spring body (9) that struts is torsion
Spring, two torque arm ends of torsionspring are corresponding with two drive link (3) respectively to be fixedly connected.
3. a kind of fruit tree clipping device as described in claim 1, which is characterized in that the blade (1-1) of two blades (1)
It is the curved blade of indent.
4. a kind of fruit tree clipping device as described in claim 1, which is characterized in that on the side wall of the sliding shoe (4)
Equipped with longitudinal draw runner, the inner wall of the cylinder (5) is equipped with longitudinal chute, the company of sliding between the longitudinal direction draw runner and longitudinal chute
It connects.
5. a kind of fruit tree clipping device as described in claim 1, which is characterized in that the quantity of the hand-held part (13) is
Two, it is respectively arranged on the left and right sides of pedestal (10).
6. a kind of fruit tree clipping device as described in claim 1, which is characterized in that the rotating bar (12) is that length can
The telescopic rod of tune, rotating bar (12) include sleeve (12-1) and the body of rod (12-2), and the body of rod (12-2) is sheathed on sleeve (12-
1) it is slidably connected in and with sleeve (12-1), sleeve (12-1) is equipped with the adjusting bolt for fixing rotating bar (12) length
(17), the body of rod (12-2) is articulated with by the articulated shaft (15) in pedestal (10), and institute is arranged in the right end of sleeve (12-1)
State handle (16).
7. a kind of fruit tree clipping device as claimed in claim 6, which is characterized in that the body of rod (12-2) and pedestal
(10) click is additionally provided between, the click during pulling rotating bar (12) for accomplishing that interval exerts a force.
8. a kind of fruit tree clipping device as claimed in claim 7, which is characterized in that the click includes being fixed on
Ratchet (18-1) on the pedestal (10) and it is articulated with matching with the ratchet (18-1) on the body of rod (12-2)
And the pawl (18-2) engaged, electromagnet one (18-3), the left end of electromagnet one (18-3) are fixed on the pawl (18-2)
For the poles S, right end is the poles N, and the left side that pawl (18-2) is located on the body of rod (12-2) is also hinged with electromagnet two (18-4), wherein electricity
The middle part of magnet two (18-4) is articulated with by shaft (18-7) on the body of rod (12-2), and one end of electromagnet two (18-4) is the poles S,
The other end is the poles N, and one end of electromagnet two (18-4) is connected in the clamp spring (18-6) on the left of electromagnet two (18-4) Nei, electricity
The right end of magnet two (18-4) is extremely opposite with the S of electromagnet one (18-3), when the poles N of electromagnet two (18-4) and electromagnet one
When the S of (18-3) is extremely opposite, under the action of heteropolar magnetic attraction, the click is in the lock state, when electromagnet two
When the poles S of (18-4) are extremely opposite with the S of electromagnet one (18-3), under the action of homo-polarity magnetic repulsion force, the click is in
Unlocked state；Limited block (18-5) is additionally provided on the right side of the pawl (18-2), the limited block (18-5) is fixed on the body of rod
On (12-2).
9. a kind of fruit tree clipping device as described in claim 1, which is characterized in that be additionally provided with and lead in the body of rod (2)
Xiang Guan, the steel wire rope (8) are arranged in the guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410513.8A CN108575375A (en) | 2018-05-02 | 2018-05-02 | A kind of fruit tree clipping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410513.8A CN108575375A (en) | 2018-05-02 | 2018-05-02 | A kind of fruit tree clipping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108575375A true CN108575375A (en) | 2018-09-28 |
Family
ID=63620516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810410513.8A Withdrawn CN108575375A (en) | 2018-05-02 | 2018-05-02 | A kind of fruit tree clipping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108575375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111066512A (en) * | 2019-12-27 | 2020-04-28 | 鲍光彪 | Gardens maintenance trimming means |
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| CN201199819Y (en) * | 2008-05-26 | 2009-03-04 | 巴图尔·达尼 | Device for pruning orchard |
| CN201360431Y (en) * | 2008-08-15 | 2009-12-16 | 权太周 | Fruit picker |
| CN103875466A (en) * | 2014-03-17 | 2014-06-25 | 沈保国 | Novel telescopic branch trimming device |
| CN203856998U (en) * | 2014-05-30 | 2014-10-01 | 湖南农业大学 | Reciprocating electronic control unlocking bar mechanism |
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| CN105103794A (en) * | 2015-08-31 | 2015-12-02 | 广西大学 | Orchard picking hand with arm of force adjustable |
| CN205648433U (en) * | 2016-04-19 | 2016-10-19 | 山东科技大学 | Pepper picking -up device |
| CN205912503U (en) * | 2016-08-05 | 2017-02-01 | 福建农林大学 | Ware is picked to straw mushroom |
| CN206932742U (en) * | 2017-07-26 | 2018-01-30 | 山西省农业科学院果树研究所 | A kind of fluid pressure type tree branch pruning tool |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034542A (en) * | 1976-04-19 | 1977-07-12 | Loehr Leslie K | Fruit picking implements |
| CN2476165Y (en) * | 2001-04-12 | 2002-02-13 | 梁仕炎 | Agricultural fruits picking device |
| CN201199819Y (en) * | 2008-05-26 | 2009-03-04 | 巴图尔·达尼 | Device for pruning orchard |
| CN201360431Y (en) * | 2008-08-15 | 2009-12-16 | 权太周 | Fruit picker |
| CN103875466A (en) * | 2014-03-17 | 2014-06-25 | 沈保国 | Novel telescopic branch trimming device |
| CN203856998U (en) * | 2014-05-30 | 2014-10-01 | 湖南农业大学 | Reciprocating electronic control unlocking bar mechanism |
| CN104620871A (en) * | 2015-01-31 | 2015-05-20 | 兰州工业学院 | Fruit tree branch pruning machine |
| CN105103794A (en) * | 2015-08-31 | 2015-12-02 | 广西大学 | Orchard picking hand with arm of force adjustable |
| CN205648433U (en) * | 2016-04-19 | 2016-10-19 | 山东科技大学 | Pepper picking -up device |
| CN205912503U (en) * | 2016-08-05 | 2017-02-01 | 福建农林大学 | Ware is picked to straw mushroom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111066512A (en) * | 2019-12-27 | 2020-04-28 | 鲍光彪 | Gardens maintenance trimming means |
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