CN205454428U - Soil flatting mill - Google Patents

Soil flatting mill Download PDF

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Publication number
CN205454428U
CN205454428U CN201620102182.8U CN201620102182U CN205454428U CN 205454428 U CN205454428 U CN 205454428U CN 201620102182 U CN201620102182 U CN 201620102182U CN 205454428 U CN205454428 U CN 205454428U
Authority
CN
China
Prior art keywords
output shaft
power output
soil
sleeve
press
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.)
Expired - Fee Related
Application number
CN201620102182.8U
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Chinese (zh)
Inventor
祝剑林
卓承学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jingshui Wangyuan Landscaping Co ltd
Original Assignee
Jiashan Green City Landscape Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiashan Green City Landscape Engineering Co Ltd filed Critical Jiashan Green City Landscape Engineering Co Ltd
Priority to CN201620102182.8U priority Critical patent/CN205454428U/en
Application granted granted Critical
Publication of CN205454428U publication Critical patent/CN205454428U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a soil flatting mill aims at solving unable complete broken soil block of current soil flatting mill and the unequal problem of roll extrusion, and its technical scheme main points are: a soil flatting mill, includes the frame, be equipped with the handrail on the frame, be equipped with power device on the frame and by first gearbox of power device driven and second gearbox, be equipped with a power output shaft on the first gearbox, be equipped with the 2nd power output shaft on the second gearbox, a power output shaft is connected with the slicking -in roller of double as walking wheel, the 2nd power output shaft is connected with the rotor, be equipped with a plurality of rotary blades on the rotor. The utility model discloses complete broken ring soil block and roll extrusion are leveled fast.

Description

A kind of soil press
Technical field
This utility model relates to agricultural mechanical field, more specifically, it relates to a kind of soil press.
Background technology
In Garden Engineering, need the ground levelling in the flower bed that will have planned, compacting, form smooth nursery pond furrow face, in order to plant green plants or place potted plant.To this end, people need first to be broken into pieces by soil block bigger on furrow face, then constantly patting on surface, soil with farm implements such as spades, until the soil in nursery pond furrow face is in smooth, the state of consolidation, this needs to spend substantial amounts of manpower, and work efficiency is relatively low.
For the problems referred to above, the Chinese patent of Application No. CN 204442930 U discloses a kind of soil press, it is characterized in that: a kind of soil press, including vehicle frame, the rear end of vehicle frame is provided with handrail, power set and the change speed gear box driven by power set it is additionally provided with on vehicle frame, change speed gear box is provided with two power output shafts, two power output shafts stretch to the left and right sides of change speed gear box respectively and are coaxially disposed, connecting on power output shaft and have the slicking-in roller doubling as road wheel, the outer peripheral face uniform ring of slicking-in roller is furnished with a plurality of protruding band.After using said structure, the power output shaft of change speed gear box can being rotated by power set, slicking-in roller concomitant rotation, complete machine is advanced forward, and under the effect of complete machine gravity, nursery pond furrow face can be rolled plain by slicking-in roller, when slicking-in roller rotates, bigger clods breaking can be become tiny soil unqualified and be allowed to disperse to around by protruding band, and it has certain effect from leveling, can realize the manipulation to direct of travel by holding handrail during advancing.
Although this soil press can be handled, by a people, the pressing realized nursery pond furrow face, manpower can be saved, work efficiency is higher, but soil used in Garden Engineering transports from elsewhere mostly, containing some bigger soil blocks in these soil, owing to this soil press brings broken bigger soil block by arranging the most annularly-distributed a plurality of projection at the outer peripheral face of slicking-in roller, the primary structure of its broken soil block is the edge corner angle of protruding band, the edge corner angle carried by projection contact the thrust produced by clods breaking with soil block, if soil has certain humidity, soil after Po Sui will stick to be filled up in the gap between projection band on protruding band, the edge corner angle causing protruding band cannot touch soil block, thus can not complete to destroy the function of soil block;If soil block is relatively big, soil block can not well be destroyed by the protruding the most pressured clamp force of band, but directly ground soil block, thus causes soil out-of-flatness.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is provide a kind of broken ring soil block that can be quick and complete and roll smooth soil press.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of soil press, including vehicle frame, described vehicle frame is provided with handrail, described vehicle frame is provided with power set and the first change speed gear box driven by power set and the second change speed gear box, described first change speed gear box is provided with the first power output shaft, described second change speed gear box is provided with the second power output shaft, described first power output shaft connects the slicking-in roller doubling as road wheel, described second power output shaft connects has rotor, described rotor to be provided with some rotary blades.
By using technique scheme, when using soil press, start power set, first power output shaft of the first change speed gear box and the second power output shaft being rotated by power set of the second change speed gear box, slicking-in roller and rotor concomitant rotation, slicking-in roller drives complete machine to travel forward, rotor is used for crushing soil block and making soil loosen, rotary blade is the parts realizing broken soil block function, under the action of gravity of complete machine, nursery pond furrow face can be rolled plain by slicking-in roller, in running first by rotor by clods breaking, then soil is compacted by slicking-in roller, soil is the most first made to loosen the ground being compacted after making compacting more smooth, rotary blade is used to crush soil block more quickly thoroughly, the control to direct of travel can be realized by holding handrail during stroke;Slicking-in roller coordinates the more smooth of the process more quickness and high efficiency making compacting nursery pond furrow face and compacting with rotor.
This utility model is further arranged to: described vehicle frame is provided with hydraulic cylinder, and described hydraulic cylinder connects hydraulic stem, and described second change speed gear box connects has support bar, described support bar to be hinged on vehicle frame, and described hydraulic stem mitered is in support bar.
By using technique scheme, second change speed gear box connects support bar, support bar is hinged on vehicle frame, so rotary supporting rod just can control the height on rotor distance ground, hydraulic stem controls the height on rotor distance ground for controlling the height of support bar, hydraulic cylinder is the driving means of hydraulic stem, the flexible of hydraulic stem is provided power by hydraulic cylinder, can be risen by support bar so that rotor raises when hydraulic stem stretches out, support bar can be dragged down when contract by hydraulic cylinder so that rotor reduces.First being stretched out by hydraulic stem when not using makes rotor raise away from ground, soil press is facilitated to move, when preventing soil press from leaving unused simultaneously rotary blade contact with ground thus scratch ground, abrasion cutter head, shrink hydraulic stem during use to be dragged down by rotor, rotary blade is made to insert ground, it is achieved broken soil block.
This utility model is further arranged to: the end face of described slicking-in roller is provided with sleeve one, described sleeve one matches with the first power output shaft, it is equipped with installation through hole on described sleeve one and the first power output shaft, it is equipped with in described installation through hole for locking sleeve one and the connector of the first power output shaft, the axle head of described first power output shaft is prism structure, and described sleeve one endoporus is the rib hole matched with the first power output shaft.
By using technique scheme, sleeve one matches with the first power output shaft, connector is bolt, penetrate bolt after being aligned by installation through hole on sleeve one and the first power output shaft during installation to fasten, so sleeve once and the first power output shaft be locked together, the driving force of driving means just can transmit dynamical stability and easy accessibility for delivery to slicking-in roller;The axle head of the first power output shaft is set to prism structure, sleeve one endoporus is the rib hole matched with the first power output shaft, accordingly even when the bolt of locking sleeve one and the first power output shaft occurs to loosen, the output power of the first power output shaft still can be delivered to slicking-in roller smoothly.
This utility model is further arranged to: the end face of described rotor is provided with sleeve two, described sleeve two matches with the second power output shaft, it is equipped with installation through hole on described sleeve two and the second power output shaft, it is equipped with in described installation through hole for locking sleeve two and the connector of the second power output shaft, the axle head of described second power output shaft is prism structure, and described sleeve two endoporus is the rib hole matched with the second power output shaft.
By using technique scheme, sleeve two matches with the second power output shaft, connector is bolt, penetrate bolt after being aligned by installation through hole on sleeve two and the second power output shaft during installation to fasten, so sleeve two and the second power output shaft is just locked together, the driving force of driving means just can transmit dynamical stability and easy accessibility for delivery to slicking-in roller;The axle head of the second power output shaft is set to prism structure, sleeve two endoporus is the rib hole matched with the second power output shaft, accordingly even when the bolt of locking sleeve two and the second power output shaft occurs to loosen, the output power of the second power output shaft still can be delivered to slicking-in roller smoothly.
This utility model is further arranged to: some described rotary blades are evenly distributed on the surface of rotor in the shape of a spiral.
By using technique scheme, rotary blade is distributed in the shape of a spiral, so when soil press works, the rotary blade that same time point touches ground is less, does not results in too much rotary blade and contacts the bigger resistance of generation with ground thus cause soil press to advance difficulty;Rotary blade is evenly distributed on rotor surface, and the spacing between the most adjacent rotary blade is equal, pulverizes soil block more uniform.
This utility model is further arranged to: some described rotary blades are set to two groups, and rotary blade quantity described in two groups is equal and is symmetrical arranged one by one.
By technique scheme, rotary blade is set to two groups, and two groups rotary blade quantity is equal and one_to_one corresponding is arranged, and each time point during work of such soil press has multiple rotary blade being positioned at difference to work simultaneously, pulverizes soil block more thorough.
This utility model is further arranged to: described rotary blade uses scalpriform cutter.
By use technique scheme, scalpriform cutter have preferably bury ability and energy expenditure less, use scalpriform cutter be easier to by soil block pulverize and also save the energy.
This utility model is further arranged to: described rotor is provided above baffle plate.
By using technique scheme, baffle plate is set and is possible to prevent pulverized soil block to flash, prevent body to be splashed into soil block, body of making dirty.
In sum, this utility model has the advantages that
One, by arranging slicking-in roller and rotor, arranges some rotary blades on rotor, and slicking-in roller coordinates the more smooth of the process more quickness and high efficiency making compacting nursery pond furrow face and compacting with rotor.
They are two years old, by arranging hydraulic stem and support bar, hydraulic stem mitered is in support bar, first being stretched out by hydraulic stem when not using makes rotor raise away from ground, facilitate soil press to move, when preventing soil press from leaving unused simultaneously rotary blade contact with ground thus scratch ground, abrasion cutter head, during use shrink hydraulic stem rotor is dragged down, rotary blade is made to insert ground, it is achieved broken soil block.
Its three, rotary blade is set to two groups, and two groups of rotary blade quantity is equal and is symmetrical arranged one by one, and often group rotary blade is evenly distributed on the surface of rotor in the shape of a spiral, pulverizes soil block more uniform and complete.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the side view of slicking-in roller;
Fig. 3 is the side view of rotor.
In figure: 1, handrail;2, vehicle frame;3, power set;4, the first change speed gear box;41, the first power output shaft;5, the second change speed gear box;51, the second power output shaft;6, rotor;61, rotary blade;62, sleeve two;7, slicking-in roller;71, sleeve one;8, hydraulic cylinder;81, hydraulic stem;9, support bar;10, baffle plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is described in detail.
As shown in Figure 1, the rear end of vehicle frame 2 is provided with handrail 1, the front end of vehicle frame 2 is provided with carrying platform, dynamic device 3 it is bolted on carrying platform, power set 3 can be diesel engine or motor, the rear end of vehicle frame 2 is fixed with the first change speed gear box 4, the both sides, front end of vehicle frame 2 are hinged with two support bars 9, the second change speed gear box 5 it is fixed with on support bar 9, being equipped with rotation wheel on first change speed gear box 4 and the second change speed gear box 5, power set 3 transfer power to the first change speed gear box 4 and the second change speed gear box 5 by belt with rotating to take turns to be connected;First change speed gear box 4 is arranged on vehicle frame 2 rear end lower and divides, first change speed gear box 4 is provided with two first power output shafts 41, two first power output shafts 41 stretch to first change speed gear box 4 left and right sides respectively and are coaxially disposed, second change speed gear box 5 is provided with two second power output shafts 51, two second power output shafts 51 stretch to second change speed gear box 5 left and right sides respectively and are coaxially disposed, and the power being delivered to the first change speed gear box 4 and the second change speed gear box 5 is delivered to the first power output shaft 41 and the second power output shaft 51 by the gear engagement in change speed gear box;First power output shaft 41 connects slicking-in roller 7, slicking-in roller 7 doubles as road wheel simultaneously, the axle head of the first power output shaft 41 is prism structure, the centre of slicking-in roller 7 is provided with sleeve 1, the endoporus of sleeve 1 is the rib hole matched with the first power output shaft 41, all offer through hole on sleeve 1 and the first power output shaft 41, in through hole, wear bolt sleeve 1 and the first power output shaft 41 are fastened;Second power output shaft 51 connects slicking-in roller 7, slicking-in roller 7 doubles as road wheel simultaneously, the axle head of the first power output shaft 41 is prism structure, the centre of slicking-in roller 7 is provided with sleeve 1, the endoporus of sleeve 1 is the rib hole matched with the first power output shaft 41, all offer through hole on sleeve 1 and the first power output shaft 41, in through hole, wear bolt sleeve 1 and the first power output shaft 41 are fastened;Both sides, vehicle frame 2 front end are hinged with two support bars 9, second change speed gear box 5 is fixedly connected between two support bars 9, second power output shaft 51 connects rotor 6, the axle head of the second power output shaft 51 is prism structure, the centre of rotor 6 is provided with sleeve 2 62, the endoporus of sleeve 2 62 is the rib hole matched with the second power output shaft 51, and sleeve 2 62 and the second power output shaft 51 all offer through hole, wears bolt and sleeve 2 62 and the second power output shaft 51 are fastened in through hole;Two groups of rotary blades 61 it are fixedly connected with on rotor 6, two groups of rotary blade 61 quantity is equal and is symmetrical arranged one by one, and two groups of rotary blades 61 are evenly distributed on the surface of rotor 6 the most in the shape of a spiral, and rotary blade 61 uses scalpriform cutter, rotor 6 is provided above baffle plate 10, and baffle plate 10 is welded on the second change speed gear box 5;The both sides of vehicle frame 2 are provided with two hydraulic cylinders 8, and hydraulic cylinder 8 connects hydraulic stem 81, and hydraulic stem 81 mitered is in support bar 9.
When using soil press, start power set 3, first power output shaft 41 of the first change speed gear box 4 and the second power output shaft 51 being rotated by power set 3 of the second change speed gear box 5, slicking-in roller 7 and rotor 6 concomitant rotation, slicking-in roller 7 drives complete machine to travel forward, rotor 6 is used for crushing soil block and making soil loosen, rotary blade 61 is the parts realizing broken soil block function, under the action of gravity of complete machine, nursery pond furrow face can be rolled plain by slicking-in roller 7, in running first by rotor 6 by clods breaking, then soil is compacted by slicking-in roller 7, soil is the most first made to loosen the ground being compacted after making compacting more smooth, rotary blade 61 is used to crush soil block more quickly thoroughly, the control to direct of travel can be realized by holding handrail 1 during stroke;Slicking-in roller 7 coordinates the more smooth of the process more quickness and high efficiency making compacting nursery pond furrow face and compacting with rotor 6;Second change speed gear box 5 connects support bar 9, support bar 9 is hinged on vehicle frame 2, so rotary supporting rod 9 just can control the rotor 6 height apart from ground, hydraulic stem 81 controls the rotor 6 height apart from ground for controlling the height of support bar 9, hydraulic cylinder 8 is the driving means of hydraulic stem 81, the flexible of hydraulic stem 81 is provided power by hydraulic cylinder 8, can be risen by support bar 9 so that rotor 6 raises when hydraulic stem 81 stretches out, support bar 9 can be dragged down so that rotor 6 reduces when contract by hydraulic cylinder 8.First being stretched out by hydraulic stem 81 when not using makes rotor 6 raise away from ground, soil press is facilitated to move, when preventing soil press from leaving unused, rotary blade 61 contacts with ground thus scratches ground, abrasion cutter head simultaneously, shrink hydraulic stem 81 during use to be dragged down by rotor 6, rotary blade 61 is made to insert ground, it is achieved broken soil block;The axle head of the first power output shaft 41 is set to prism structure, sleeve 1 endoporus is the rib hole matched with the first power output shaft 41, penetrate bolt after being aligned by installation through hole on sleeve 1 and the first power output shaft 41 during installation to fasten, so sleeve 1 and the first power output shaft 41 is just locked together, the driving force of driving means just can be for delivery to slicking-in roller 7, transmission dynamical stability and easy accessibility, even if the bolt of locking sleeve 1 and the first power output shaft 41 occurs to loosen, coordinated with the rib hole of sleeve 1 by the prism of the first power output shaft 41 axle head, the output power of the first power output shaft 41 still can be delivered to slicking-in roller 7 smoothly;The axle head of the second power output shaft 51 is set to prism structure, sleeve 2 62 endoporus is the rib hole matched with the second power output shaft 51, sleeve 2 62 matches with the second power output shaft 51, penetrate bolt after being aligned by installation through hole on sleeve 2 62 and the second power output shaft 51 during installation to fasten, so sleeve 2 62 and the second power output shaft 51 is just locked together, the driving force of driving means just can transmit dynamical stability and easy accessibility for delivery to slicking-in roller 7;Accordingly even when the bolt of locking sleeve 2 62 and the second power output shaft 51 occurs to loosen, the output power of the second power output shaft 51 still can be delivered to slicking-in roller 7 smoothly;Rotary blade 61 is distributed in the shape of a spiral, and so when soil press works, the rotary blade 61 that same time point touches ground is less, does not results in too much rotary blade 61 and contacts the bigger resistance of generation with ground thus cause soil press to advance difficulty;Rotary blade 61 is evenly distributed on rotor 6 surface, and the spacing between the most adjacent rotary blade 61 is equal, pulverizes soil block more uniform;Rotary blade 61 is set to two groups, and two groups rotary blade 61 quantity is equal and one_to_one corresponding is arranged, and each time point during work of such soil press has multiple rotary blade 61 being positioned at difference to work simultaneously, pulverizes soil block more thorough;Scalpriform cutter have preferably bury ability and energy expenditure less, use scalpriform cutter be easier to by soil block pulverize and also save the energy;Arranging baffle plate 10 is possible to prevent pulverized soil block to flash, and prevents body to be splashed into soil block, body of making dirty.The most just can reach broken ring soil block that soil press can be quick and complete and roll smooth purpose.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (10)

1. a soil press, including vehicle frame (2), described vehicle frame (2) is provided with handrail (1), it is characterized in that: described vehicle frame (2) is provided with power set (3) and the first change speed gear box (4) driven by power set (3) and the second change speed gear box (5), described first change speed gear box (4) is provided with the first power output shaft (41), described second change speed gear box (5) is provided with the second power output shaft (51), described first power output shaft (41) connects the slicking-in roller (7) doubling as road wheel, described second power output shaft (51) connects rotor (6), described rotor (6) is provided with some rotary blades (61).
A kind of soil the most according to claim 1 press, it is characterized in that: described vehicle frame (2) is provided with hydraulic cylinder (8), described hydraulic cylinder (8) connects hydraulic stem (81), described second change speed gear box (5) connects support bar (9), described support bar (9) is hinged on vehicle frame (2), and described hydraulic stem (81) mitered is in support bar (9).
A kind of soil the most according to claim 1 press, it is characterized in that: the end face of described slicking-in roller (7) is provided with sleeve one (71), described sleeve one (71) matches with the first power output shaft (41), it is equipped with installation through hole on described sleeve one (71) and the first power output shaft (41), is equipped with in described installation through hole for locking sleeve one (71) and the connector of the first power output shaft (41).
A kind of soil the most according to claim 3 press, it is characterised in that: the axle head of described first power output shaft (41) is prism structure, and described sleeve one (71) endoporus is the rib hole matched with the first power output shaft (41).
A kind of soil the most according to claim 1 press, it is characterized in that: the end face of described rotor (6) is provided with sleeve two (62), described sleeve two (62) matches with the second power output shaft (51), it is equipped with installation through hole on described sleeve two (62) and the second power output shaft (51), is equipped with in described installation through hole for locking sleeve two (62) and the connector of the second power output shaft (51).
A kind of soil the most according to claim 5 press, it is characterised in that: the axle head of described second power output shaft (51) is prism structure, and described sleeve two (62) endoporus is the rib hole matched with the second power output shaft (51).
A kind of soil the most according to claim 1 press, it is characterised in that: some described rotary blades (61) are evenly distributed on the surface of rotor (6) in the shape of a spiral.
A kind of soil the most according to claim 7 press, it is characterised in that: some described rotary blades (61) are set to two groups, and described in two groups, rotary blade (61) quantity is equal and is symmetrical arranged one by one.
9. according to a kind of soil press described in claim 1 or 7 or 8, it is characterised in that: described rotary blade (61) uses scalpriform cutter.
A kind of soil the most according to claim 1 press, it is characterised in that: described rotor (6) is provided above baffle plate (10).
CN201620102182.8U 2016-02-01 2016-02-01 Soil flatting mill Expired - Fee Related CN205454428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620102182.8U CN205454428U (en) 2016-02-01 2016-02-01 Soil flatting mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620102182.8U CN205454428U (en) 2016-02-01 2016-02-01 Soil flatting mill

Publications (1)

Publication Number Publication Date
CN205454428U true CN205454428U (en) 2016-08-17

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ID=56673107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620102182.8U Expired - Fee Related CN205454428U (en) 2016-02-01 2016-02-01 Soil flatting mill

Country Status (1)

Country Link
CN (1) CN205454428U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106332562A (en) * 2016-08-24 2017-01-18 李传慧 Handheld land lump breaking device
CN109701682A (en) * 2019-02-19 2019-05-03 安徽省阜阳市盛大机械有限公司 A kind of rolling fineness pulverizer
CN112227442A (en) * 2020-10-27 2021-01-15 梁桂清 Leveling process for foundation for building construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106332562A (en) * 2016-08-24 2017-01-18 李传慧 Handheld land lump breaking device
CN109701682A (en) * 2019-02-19 2019-05-03 安徽省阜阳市盛大机械有限公司 A kind of rolling fineness pulverizer
CN109701682B (en) * 2019-02-19 2024-02-06 安徽省阜阳市盛大机械有限公司 Rolling fine pulverizer
CN112227442A (en) * 2020-10-27 2021-01-15 梁桂清 Leveling process for foundation for building construction

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Zhu Jianlin

Inventor after: Zhuo Chengxue

Inventor after: Li Desheng

Inventor before: Zhu Jianlin

Inventor before: Zhuo Chengxue

CB03 Change of inventor or designer information
TR01 Transfer of patent right

Effective date of registration: 20170818

Address after: 100000, room 23, room 1, No. 65, 158 West Street, Huangcun village, Huangcun Town, Beijing, Daxing District

Patentee after: BEIJING JINGSHUI WANGYUAN LANDSCAPING CO.,LTD.

Address before: Jiaxing City, Zhejiang province 314100 Jiashan County Luoxing Street Jinyang Road No. 751-759

Patentee before: JIASHAN LVCHENG GARDEN ENGINEERING CO.,LTD.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160817

CF01 Termination of patent right due to non-payment of annual fee