CN105711810B - A kind of municipal afforestation folding wings unmanned plane of improvement - Google Patents
A kind of municipal afforestation folding wings unmanned plane of improvement Download PDFInfo
- Publication number
- CN105711810B CN105711810B CN201610236046.2A CN201610236046A CN105711810B CN 105711810 B CN105711810 B CN 105711810B CN 201610236046 A CN201610236046 A CN 201610236046A CN 105711810 B CN105711810 B CN 105711810B
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- motor
- wing
- fuselage
- plate
- inner chamber
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/40—Varying angle of sweep
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/52—Tilting of rotor bodily relative to fuselage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/56—Folding or collapsing to reduce overall dimensions of aircraft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of municipal afforestation folding wings unmanned plane of improvement, including fuselage and wing, the fuselage is provided with inner chamber, the inner chamber left and right sides connects, the foreboard of the inner chamber is provided with the first motor, the screw mandrel that connection one is set in the same direction with fuselage on first motor, the both sides of the screw mandrel are symmetrically engaged with a gear, the gear is connected on fuselage centrally through axis, rotor plate is connected with the side wall of the gear, the outer end of the rotor plate is vertically connected with supporting plate, the front end of the supporting plate is connected with the first cylinder, the front end of first cylinder is connected with the second motor, the output shaft of second motor is connected with the first threaded rod, the first nut for being screwed with first threaded rod is additionally provided with the foreboard of the inner chamber, the supporting plate and the side wall of rotor plate homonymy are provided with the second cylinder.The present invention can facilitate folding wing, be easy to storage, with practicality.
Description
Technical field
Unmanned air vehicle technique field is used the present invention relates to municipal gardens, a kind of municipal afforestation folding of improvement is particularly related to
Folded wing unmanned plane.
Background technology
Existing fixed-wing unmanned plane, because wing is fixed, so one of part as most rapid wear, and due to machine
The wing and empennage are fixed, and flight efficiency is less desirable.
It is fixed additionally, due to wing, it is impossible to fold, storage space is too big, in-convenience in use.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of municipal afforestation folding wings unmanned plane of improvement, with
The wing for solving the unmanned plane of prior art is easily damaged and storage space is big and the undesirable technical problem of flight efficiency.
In order to solve the above technical problems, embodiments of the invention provide a kind of municipal afforestation folding wings of improvement without
Man-machine, including fuselage, wing and empennage, the fuselage is provided with inner chamber, and the inner chamber left and right sides connects, the inner chamber
Foreboard is provided with the screw mandrel that connection one is set in the same direction with fuselage on the first motor, first motor, the both sides pair of the screw mandrel
It is engaged with a gear with claiming, being connected to centrally through axis on fuselage for the gear is connected with the side wall of the gear and turned
Dynamic plate, the outer end of the rotor plate is vertically connected with supporting plate, and the front end of the supporting plate is connected with the first cylinder, and described the
The front end of one cylinder is connected with the second motor, and the output shaft of second motor is connected with before the first threaded rod, the inner chamber
Be additionally provided with the first nut for being screwed with first threaded rod on plate, the supporting plate with the side wall of rotor plate homonymy
Provided with the second cylinder, the end of second cylinder is connected with the 3rd motor, and the output shaft of the 3rd motor is connected with second
The second nut for being screwed with second threaded rod, second spiral shell are additionally provided with threaded rod, the foreboard of the inner chamber
Mother is connected on foreboard by the 3rd cylinder, and the opposite side of the supporting plate is provided with the wing；
The empennage includes the 4th motor in back body portion and extends the connection ring of back body, described
Rotary shaft is connected with by bearing in connection ring, the rotary shaft is laterally set, and driving cog is fixedly connected with the rotary shaft
Wheel, the 4th motor is driven by driving gear is respectively provided with one the 5th electricity at the travelling gear, the two ends of the rotary shaft
Propeller is connected with machine, the output shaft of the 5th motor；
The underbelly is additionally provided with undercarriage, and the undercarriage includes the roller for being installed on underbelly, the roller
Connect the 6th motor and driven it to rotate by the 6th motor, the roller has twice annular groove, it is each in annular groove described in twice
Provided with a bracing wire, the both sides of the roller are arranged with middle runner, and the bracing wire bypasses middle runner and is connected on supporting leg, institute
The upper end for stating supporting leg is connected on fuselage by rotation seat, and the rotation seat is used to make supporting leg have outwards provided with torsion spring
The stretching force of stretching, extension, the 6th motor, which drives roller to rotate, draws bracing wire in, and the bracing wire pulls supporting leg to be posted by it
Below fuselage.
Wherein, the wing includes bottom plate, wing-body and the slide plate being connected with the supporting plate；Set on the bottom plate
Have and the medium position being provided with guide pillar, the guide pillar on the first spring, the bottom plate is provided with chute, the chute provided with one
Multiple shallow slots are evenly equipped with centered on screwed hole on screwed hole, the bottom plate；
Both sides are respectively equipped with a runner at the top of the slide plate, and the slide plate two bottom sides are respectively equipped with a sliding block, the cunning
Block is provided with a through hole, and the sliding block is slidably mounted in the chute, the through hole of the sliding block be arranged on the guide pillar so that
Sliding block side wall is resisted against first spring；
On the wing-body connecting hole, the connecting hole and the screw thread on the bottom plate are provided with close to the side of fuselage
Hole is coaxially disposed, and a screw, which is passed through, to be screwed together on the screwed hole after the connecting hole and make the relatively described bottom of the wing-body
Plate is freely rotated, and the runner that the wing-body two side is provided with concave-arc part, the slide plate is embedded in the concave-arc part, institute
State and be evenly equipped with multiple blind holes on wing-body bottom centered on the connecting hole, the multiple blind hole and the multiple shallow slot one
One correspondence is simultaneously coaxially disposed, and a second spring is provided with each blind hole, the bottom contact of the second spring has a spheroid, institute
Spherical part is stated to be placed in the shallow slot.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In such scheme, the present invention can be achieved with the different auto-changing wing sweep angles of flying speed, work as flying speed
Gao Shi, the sweep angle of wing becomes big, so as to reduce flight resistance, lifts flight efficiency, and can when colliding effective protection machine
The wing is not damaged；Secondly as with folder function, folding wing can be facilitated, it is easy to storage, with practicality；The present invention's
Empennage converts the rotational angle of propeller by rotary shaft, the effects such as deceleration can be achieved, accelerates, aid in landing；It also includes
Undercarriage, undercarriage conveniently can deploy and fold.
Brief description of the drawings
Fig. 1 is the schematic diagram of the wing deployed condition of the present invention.
Fig. 2 is the schematic diagram of the wing folding state of the present invention.
Fig. 3 is the schematic diagram of the empennage of the present invention.
Fig. 4 is the schematic diagram of the outline of the present invention.
Fig. 5 is the sectional view in A-A directions in Fig. 4.
Fig. 6 is the schematic diagram of the bottom plate of the present invention.
Fig. 7 is the schematic diagram of the slide plate of the present invention.
Fig. 8 is the schematic diagram of the undercarriage of the present invention.
Fig. 9 is the schematic diagram of the roller of the undercarriage of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of municipal afforestation folding wings unmanned plane of improvement,
Including fuselage 1, wing and empennage 50, unmanned plane can drive it by being placed in the engine below the head of fuselage 1 or wing
Flight；The fuselage 1 is provided with inner chamber, and the inner chamber left and right sides connects, and the foreboard 2 of the inner chamber is provided with the first motor 3,
The screw mandrel 4 that connection one is set in the same direction with fuselage 1 on first motor 3, the both sides of the screw mandrel 4 are symmetrically engaged with a gear
5, being connected to centrally through axis 6 on fuselage 1 for the gear 5 is connected with rotor plate 7, described turn on the side wall of the gear 5
The outer end of dynamic plate 7 is vertically connected with supporting plate 8, and the front end of the supporting plate 8 is connected with the first cylinder 9, first cylinder 9
Front end be connected with the second motor 10, the output shaft of second motor 10 is connected with before the first threaded rod 11, the inner chamber
The first nut 12 for being screwed with first threaded rod 11, the supporting plate 8 and rotor plate homonymy are additionally provided with plate 2
Side wall is provided with the second cylinder 13, and the end of second cylinder 13 is connected with the 3rd motor 14, the 3rd motor 14 it is defeated
Shaft, which is connected with, to be additionally provided with the second threaded rod 15, the foreboard 2 of the inner chamber for being screwed with second threaded rod 15
Second nut 16, second nut 16 is connected on foreboard 2 by the 3rd cylinder 17, and the opposite side of the supporting plate 8 is provided with
The wing.
As shown in figure 3, the empennage 50 includes the 4th motor 51 in the rearward end of fuselage 1 and extends fuselage 1
Rotary shaft 55 is connected with by bearing in the connection ring 54 of rear end, the connection ring 54, the rotary shaft 55 is laterally set, described
Travelling gear 53 is fixedly connected with rotary shaft 55, the 4th motor 51 drives the travelling gear by driving gear 52
53, it is respectively provided with one the 5th motor 57, the output shaft of the 5th motor 57 at the two ends of the rotary shaft 55 and is connected with spiral
Oar 56.4th motor 51 drives travelling gear 53 to rotate by driving gear 52, and travelling gear 53 drives rotary shaft 55 in connection
Rotated in ring 54, therefore the rotational angle of adjustable propeller.
As shown in Figures 4 to 7, the wing is including the bottom plate 18 being connected with the supporting plate 8, wing-body 19 and slides
Plate 20；The bottom plate 18, which is provided with chute 21, the chute 21, is provided with guide pillar 22, and the first spring is provided with the guide pillar 22
23, the medium position on the bottom plate 18 be provided with a screwed hole 24, the bottom plate 18 be evenly equipped with centered on screwed hole 24 it is many
Individual shallow slot 25；
The top both sides of slide plate 20 are respectively equipped with a runner 26, and the two bottom sides of slide plate 20 are respectively equipped with a sliding block
27, the sliding block 27 is provided with a through hole 28, and the sliding block 27 is slidably mounted in the chute 21, the through hole 28 of the sliding block 27
It is arranged on the guide pillar 22 so that the side wall of the sliding block 27 is resisted against first spring 23；
On the wing-body 19 connecting hole 28, the connecting hole 28 and the bottom plate are provided with close to the side of fuselage 1
Screwed hole 24 on 18 is coaxially disposed, and a screw 30, which is passed through, to be screwed together on the screwed hole 24 after the connecting hole 28 and make described
Wing-body 19 is freely rotated relative to the bottom plate 18, and the two side of wing-body 19 is provided with concave-arc part 29, the slide plate
Runner 26 on 20 is embedded on the concave-arc part 29, the bottom of wing-body 19 and is evenly equipped with centered on the connecting hole 28
Multiple blind holes 31, the multiple blind hole 31 is corresponded and is coaxially disposed with the multiple shallow slot 25, is provided with each blind hole 31
One second spring 32, the bottom contact of the second spring 32 has a spheroid 33, and the part of spheroid 33 is placed in described shallow
In groove 25.Outer end, which is additionally provided with baffle plate 34, on the bottom plate 18 is used for the slip of the spacing slide plate 20, and anti-limited slip plate 20 is skidded off
Chute 21.
Unmanned plane in an initial condition, wing-body 19 by the spheroid 33 in blind hole 31 be embedded in bottom plate 18 it is first shallow
On groove 251, and wing-body 19 is positioned on bottom plate 18 by screw 30, therefore wing-body 19 can keep relative with bottom plate 18
Inactive state, when its flight, reaction force of the front of wing-body 19 meeting by air-flow so that the outer end meeting of wing-body 19
With the trend moved towards afterbody direction, when the reaction force make it that spheroid 33 is sliding out the first shallow slot 251, wing
The outer end of body 19 is rotated, and now the concave-arc part 29 on wing-body 19 can promote the spheroid 33 on runner 26, wing-body 19
It can be moved towards the second shallow slot 252, at this moment slide plate 20 is slided along chute 21, so that 23 1 thrusts of the first spring are bestowed,
The propulsive thrust of first spring 23 is offseted with the reaction force of air-flow, and at this moment the spheroid 33 on wing-body 19 can be embedded in second
In shallow slot 252, when the flying speed of unmanned plane continues to increase, the spheroid 33 on wing-body 19 can be towards the 3rd shallow slot 253
Motion, it is achieved thereby that can be according to the function of flying speed auto-changing wing sweep angle.When wing-body 19 collides, wing
Body 19 can be the possibility that center of circle automatic rotary transfers reduction damage with screw 30.When stop flight when, the first spring 23 it is anti-
Wing-body 19 can be returned to initial position by thrust, that is, spheroid 33 is located on the first shallow slot 251.
When unmanned plane needs to fold, start the second motor 10, the first threaded rod 11 spins off from the first nut 12,
Start the first cylinder 9, the first threaded rod 11 is recycled to original state, start the first motor 3, the rotation driven gear 6 of screw mandrel 4 revolves
Turn, rotor plate 7 goes to longitudinal state by horizontal, in the overall folding of now wing meeting to the inner chamber of fuselage 1, then start the second gas
The cylinder 17 of cylinder 13 and the 3rd, makes the second nut 16 and the second threaded rod 15 mutually close, then starts the 3rd motor 14, makes the second spiral shell
Rasp bar 15 is screwed together in the second nut 16, reaches firm foldedly state.When the wing of unmanned plane needs expansion, start the 3rd
Motor 14, makes the second threaded rod 15 depart from the second nut 16, then starts the second cylinder 13 and the 3rd cylinder 17, make second
The threaded rod 15 of nut 16 and second is retracted to original state respectively, then starts the first motor 3, and the rotation driven gear 6 of screw mandrel 4 revolves
Turn, rotor plate 7 goes to horizontal state by longitudinal, then starts the first cylinder 9, the first threaded rod 11 is pushed out to close to the first spiral shell
At mother 12, then start the second motor 10, the first threaded rod 11 is screwed together in the first nut 12.
Unmanned plane can be monitored by the various equipment of carry in municipal landscape engineering, survey and draw, construct etc. and be auxiliary
The operation of helping property.
Shown in Fig. 8 and Fig. 9, the bottom of fuselage 1 is additionally provided with undercarriage, and the undercarriage includes being installed on the bottom of fuselage 1
Roller 61, the roller 61 connects the 6th motor 62 simultaneously by its rotation of the 6th motor 62 driving, and the roller 61 has twice
Annular groove, is respectively provided with a bracing wire 63, the both sides of the roller 61 are arranged with middle runner 64, described to draw in annular groove described in twice
Line 63 bypasses middle runner 64 and is connected on supporting leg 65, and the upper end of the supporting leg 65 is connected to fuselage by rotation seat 66
On, the rotation seat 66 is used to make supporting leg 66 have the stretching force flexed outward, the 6th motor 62 provided with torsion spring 67
Driving roller 61 to rotate draws bracing wire 64 in, and the bracing wire 64 pulls supporting leg 65 it is posted by the lower section of fuselage 1.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In such scheme, the present invention can be achieved with the different auto-changing wing sweep angles of flying speed, work as flying speed
Gao Shi, the sweep angle of wing becomes big, so as to reduce flight resistance, lifts flight efficiency, and can when colliding effective protection machine
The wing is not damaged；Secondly as with folder function, folding wing can be facilitated, it is easy to storage, with practicality；The present invention's
Empennage converts the rotational angle of propeller by rotary shaft, the effects such as deceleration can be achieved, accelerates, aid in landing；It also includes
Undercarriage, undercarriage conveniently can deploy and fold.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of municipal afforestation folding wings unmanned plane of improvement, including fuselage, wing and empennage, it is characterised in that
The fuselage is provided with inner chamber, and the inner chamber left and right sides connects, and the foreboard of the inner chamber is provided with the first motor, described first
The screw mandrel that connection one is set in the same direction with fuselage on motor, the both sides of the screw mandrel are symmetrically engaged with a gear, the gear
It is connected to centrally through axis on fuselage, rotor plate is connected with the side wall of the gear, the outer end of the rotor plate is vertical
Supporting plate is connected with, the front end of the supporting plate is connected with the first cylinder, and the front end of first cylinder is connected with the second motor,
The output shaft of second motor, which is connected with the first threaded rod, the foreboard of the inner chamber to be additionally provided with, to be used for and first screw thread
The first nut that bar is screwed, the supporting plate and the side wall of rotor plate homonymy are provided with the second cylinder, second cylinder
End is connected with the 3rd motor, and the output shaft of the 3rd motor, which is connected with the second threaded rod, the foreboard of the inner chamber, also to be set
There is the second nut for being screwed with second threaded rod, second nut is connected on foreboard by the 3rd cylinder,
The opposite side of the supporting plate is provided with the wing；
The empennage includes the 4th motor in back body portion and extends the connection ring of back body, the connection
Rotary shaft is connected with by bearing in ring, the rotary shaft is laterally set, and is fixedly connected with travelling gear in the rotary shaft, institute
State the 4th motor and driven by driving gear and one the 5th motor, institute are respectively provided with the travelling gear, the two ends of the rotary shaft
Propeller is connected with the output shaft for stating the 5th motor；
The underbelly is additionally provided with undercarriage, and the undercarriage includes the roller for being installed on underbelly, the roller connection
6th motor is simultaneously driven it to rotate by the 6th motor, and the roller has twice annular groove, is respectively provided with described in twice in annular groove
One bracing wire, the both sides of the roller are arranged with middle runner, and the bracing wire bypasses middle runner and is connected on supporting leg, the branch
The upper end of support leg is connected on fuselage by rotation seat, and the rotation seat is flexed outward provided with torsion spring for having supporting leg
Stretching force, the 6th motor, which drives roller to rotate, draws bracing wire in, and the bracing wire pulls supporting leg it is posted by fuselage
Lower section.
2. the municipal afforestation folding wings unmanned plane of improvement according to claim 1, it is characterised in that the wing
Including the bottom plate, wing-body and slide plate being connected with the supporting plate；The bottom plate is provided with chute, the chute and is provided with
The medium position being provided with guide pillar, the guide pillar on the first spring, the bottom plate is provided with a screwed hole, the bottom plate with spiral shell
Multiple shallow slots are evenly equipped with centered on pit；
Both sides are respectively equipped with a runner at the top of the slide plate, and the slide plate two bottom sides are respectively equipped with a sliding block, and the sliding block is set
There is a through hole, the sliding block is slidably mounted in the chute, the through hole of the sliding block is arranged on the guide pillar so that described
Sliding block side wall is resisted against first spring；
A connecting hole is provided with close to the side of fuselage on the wing-body, the connecting hole and screwed hole on the bottom plate are same
Axle is set, and a screw, which is passed through, to be screwed together on the screwed hole after the connecting hole and make the relatively described bottom plate of the wing-body certainly
By rotating, the runner that the wing-body two side is provided with concave-arc part, the slide plate is embedded in the concave-arc part, the machine
It is evenly equipped with multiple blind holes on wing body bottom portion centered on the connecting hole, a pair of the multiple blind hole and the multiple shallow slot 1
It and should be coaxially disposed, a second spring be provided with each blind hole, the bottom contact of the second spring has a spheroid, the ball
Body portion is placed in the shallow slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236046.2A CN105711810B (en) | 2016-04-15 | 2016-04-15 | A kind of municipal afforestation folding wings unmanned plane of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236046.2A CN105711810B (en) | 2016-04-15 | 2016-04-15 | A kind of municipal afforestation folding wings unmanned plane of improvement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105711810A CN105711810A (en) | 2016-06-29 |
| CN105711810B true CN105711810B (en) | 2017-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610236046.2A Active CN105711810B (en) | 2016-04-15 | 2016-04-15 | A kind of municipal afforestation folding wings unmanned plane of improvement |
Country Status (1)
| Country | Link |
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| CN (1) | CN105711810B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892088A (en) * | 2017-02-04 | 2017-06-27 | 仲松梅 | The municipal gardens aircraft of one kind building |
| CN107097946A (en) * | 2017-03-22 | 2017-08-29 | 北京航空航天大学 | It is a kind of that posture hovering structure is become based on the aircraft for becoming vector structure |
| CN108204563A (en) * | 2017-12-30 | 2018-06-26 | 傅峰峰 | A kind of lamps and lanterns |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1301656A (en) * | 1969-03-07 | 1973-01-04 | ||
| GB2415170B (en) * | 2004-06-09 | 2006-11-01 | Boeing Co | Pivoting aircraft wing and associated method |
| CN101028866A (en) * | 2007-03-30 | 2007-09-05 | 哈尔滨工业大学 | Aircraft with wing sweepback angle change |
| RU2407674C1 (en) * | 2009-08-31 | 2010-12-27 | Юлия Алексеевна Щепочкина | Aircraft |
| CN202054140U (en) * | 2011-03-11 | 2011-11-30 | 江西洪都航空工业集团有限责任公司 | Wing sweepback-changing worm drive mechanism for unmanned aircraft |
-
2016
- 2016-04-15 CN CN201610236046.2A patent/CN105711810B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1301656A (en) * | 1969-03-07 | 1973-01-04 | ||
| GB2415170B (en) * | 2004-06-09 | 2006-11-01 | Boeing Co | Pivoting aircraft wing and associated method |
| CN101028866A (en) * | 2007-03-30 | 2007-09-05 | 哈尔滨工业大学 | Aircraft with wing sweepback angle change |
| RU2407674C1 (en) * | 2009-08-31 | 2010-12-27 | Юлия Алексеевна Щепочкина | Aircraft |
| CN202054140U (en) * | 2011-03-11 | 2011-11-30 | 江西洪都航空工业集团有限责任公司 | Wing sweepback-changing worm drive mechanism for unmanned aircraft |
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| Publication number | Publication date |
|---|---|
| CN105711810A (en) | 2016-06-29 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Teng Inventor before: Zhong Xianhui |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170728 Address after: Yuanshi County 050000 Hebei city of Shijiazhuang province Chang Road No. 131 Applicant after: Hebei Mori Landscaping Engineering Limited by Share Ltd Address before: Xiangshan County, Zhejiang province 315700 Ningbo Zhen Tang Ao Cun Tu Ci Applicant before: Zhong Xianhui |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yuanshi County 050000 Hebei city of Shijiazhuang province Chang Road No. 131 Patentee after: Hebei first Forest Industry Development Co., Ltd Address before: Yuanshi County 050000 Hebei city of Shijiazhuang province Chang Road No. 131 Patentee before: HEBEI YISEN LANDSCAPING ENGINEERING Co.,Ltd. |