CN107416190B - Unmanned aerial vehicle shoots support damping device - Google Patents
Unmanned aerial vehicle shoots support damping device Download PDFInfo
- Publication number
- CN107416190B CN107416190B CN201710618934.5A CN201710618934A CN107416190B CN 107416190 B CN107416190 B CN 107416190B CN 201710618934 A CN201710618934 A CN 201710618934A CN 107416190 B CN107416190 B CN 107416190B
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- CN
- China
- Prior art keywords
- aerial vehicle
- unmanned aerial
- connecting plate
- seat
- vibration damper
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- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/04—Arrangement or disposition on aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/12—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/24—Operating mechanisms electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/12—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways
- B64C2025/125—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways into the fuselage, e.g. main landing gear pivotally retracting into or extending out of the fuselage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vibration damper of an unmanned aerial vehicle shooting support, which comprises a rectangular seat, wherein four corners of the rectangular seat are provided with strip-shaped grooves, the four strip-shaped grooves are positioned on diagonal lines of the rectangular seat, the side wall of each strip-shaped groove is provided with a sliding groove, a connecting plate is accommodated in each strip-shaped groove, and two ends of each connecting plate are provided with third sliding blocks positioned in the sliding grooves, so that the connecting plates can slide along the sliding grooves; the top surface of the connecting plate is connected with a vertical column which is perpendicular to the connecting plate, and the vertical column which is positioned above the rectangular seat is fixed with the rectangular seat through a locking device. According to the invention, when the unmanned aerial vehicle flies, the electric telescopic rod can be controlled to be shortened, so that the rod body is pulled to a horizontal position, and the air resistance is reduced; when unmanned aerial vehicle needs descend, steerable electric telescopic handle extends for the stand is equipped with damping spring downwards in the forked tail spout, when unmanned aerial vehicle descends, can play absorbing effect.
Description
Technical Field
The invention relates to the technical field of damping devices, in particular to a damping device for a shooting bracket of an unmanned aerial vehicle.
Background
The unmanned aerial vehicle chassis is installed and is used for supporting unmanned aerial vehicle's support in the unmanned aerial vehicle bottom, can take off and provide effective protection when descending to unmanned aerial vehicle to the support is convenient for unmanned aerial vehicle take off and land. But traditional unmanned aerial vehicle chassis all is simple support frame structure, can not play the absorbing effect, even when unmanned aerial vehicle descends, the base can not go up and down. Therefore, the unmanned aerial vehicle shooting support vibration damping device is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a vibration damping device for a shooting bracket of an unmanned aerial vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme: a vibration damper for an unmanned aerial vehicle shooting support comprises a rectangular seat, wherein four corners of the rectangular seat are provided with strip-shaped grooves, the four strip-shaped grooves are located on diagonal lines of the rectangular seat, the side wall of each strip-shaped groove is provided with a sliding groove, a connecting plate is accommodated in each strip-shaped groove, and third sliding blocks located in the sliding grooves are arranged at two ends of each connecting plate, so that the connecting plates can slide along the sliding grooves;
the top surface of the connecting plate is connected with an upright column which is arranged vertically to the connecting plate, and the upright column which is positioned above the rectangular seat is fixed with the rectangular seat through a locking device;
a second pre-tightening bolt is connected to the top surface of the upright column in a threaded manner and is coaxially arranged with the upright column, a pressing plate penetrates through the second pre-tightening bolt, and the pressing plate extends towards the center of the rectangular seat; the top surface of one side of the upright post, which is far away from the pressing plate, is provided with a first U-shaped part, the first U-shaped part is internally connected with an electric telescopic rod through a rotating shaft, the side surface of a connecting plate right below the first U-shaped part is connected with a third U-shaped part, one end of the electric telescopic rod, which is far away from the first U-shaped part, is arranged in a second U-shaped part, and the second U-shaped part is connected with the electric telescopic rod through the;
the supporting mechanism comprises a rod body, one end of the rod body is connected into a third U-shaped piece through a rotating shaft, and the second U-shaped piece is fixedly connected to the middle of the top surface of the rod body; a dovetail sliding groove is formed in one surface, far away from the second U-shaped piece, of the rod body, a driving motor is arranged on the bottom surface of one end, close to the third U-shaped piece, of the rod body, a rotating shaft of the driving motor is connected with a lead screw, the lead screw is arranged in parallel with the dovetail sliding groove, a thread seat matched with the lead screw is arranged on the lead screw, the thread seat is connected with the dovetail sliding groove through a second slider, a first slider is arranged in one end, far away from the driving motor, of the dovetail sliding groove, the first slider is connected with the second slider through a damping spring, one end, far away from the damping spring, of the first slider is connected; the remote control device is also included; the remote control device comprises a rechargeable battery and a control main board, the rechargeable battery is connected with the control main board through a wire, the input end of the control main board is connected with a wireless receiver, and the output end of the control main board is respectively connected with the driving motor and the electric telescopic rod through a driving circuit; the wireless receiver is wirelessly connected with the remote controller; the rechargeable battery is connected with the driving motor and the electric telescopic rod through wires.
Preferably, be equipped with on the rectangle seat rather than assorted unmanned aerial vehicle's casing, when the casing was located rectangle seat center, put the clamp plate on the casing top surface, through rotatory second pretension bolt, can be fixed with the casing, remote control unit installs in the casing.
Preferably, the one end of keeping away from driving motor at the forked tail spout is equipped with the limiting plate, the landing leg runs through the limiting plate setting, and the limiting plate is used for preventing first slider roll-off in from the forked tail spout.
Preferably, one end of the supporting leg, which is far away from the rod body, is provided with a rubber pad.
Preferably, the locking device comprises two convex blocks, the two convex blocks are respectively connected to two sides of the stand column, the convex blocks are in threaded connection with first pre-tightening bolts, and the first pre-tightening bolts can be rotated to abut against the surface of the rectangular seat.
Preferably, the bottom surface of the pressing plate is provided with an anti-skid rubber pad.
Preferably, the threaded seat and the second sliding block are of an integral structure.
Preferably, when the length of the electric telescopic rod is shortest, the rod body is in a horizontal position.
Preferably, the width of the rod body is smaller than that of the strip-shaped groove.
Preferably, the rectangular seat is made of plastic.
According to the vibration damper for the shooting bracket of the unmanned aerial vehicle, the electric telescopic rod can be controlled to extend or shorten through the remote control device, when the unmanned aerial vehicle flies, the electric telescopic rod can be controlled to shorten, so that the rod body is pulled to the horizontal position, and the resistance of air is reduced; when unmanned aerial vehicle needs descend, steerable electric telescopic handle extends for the stand is equipped with damping spring downwards in the forked tail spout, when unmanned aerial vehicle descends, can play absorbing effect.
Drawings
Fig. 1 is a structural plan view of a vibration damping device for an unmanned aerial vehicle shooting bracket, which is provided by the invention.
Fig. 2 is a structural sectional view of the vibration damping device for the unmanned aerial vehicle shooting bracket provided by the invention.
Fig. 3 is a schematic structural view of a support mechanism of the vibration damping device for the unmanned aerial vehicle shooting bracket, except for an upright post.
Fig. 4 is a schematic structural view of a supporting mechanism of the vibration damping device for the shooting bracket of the unmanned aerial vehicle.
Fig. 5 is a schematic structural view of a rectangular seat structure of the vibration damping device for the unmanned aerial vehicle shooting bracket provided by the invention.
Fig. 6 is a schematic structural diagram of a remote control device of the vibration damping device of the shooting bracket of the unmanned aerial vehicle.
In the figure: the device comprises a rectangular seat 1, a strip-shaped groove 2, a sliding groove 3, a driving motor 4, a screw rod 5, a threaded seat 6, a damping spring 7, a first sliding block 8, a supporting leg 9, a supporting mechanism 10, a second sliding block 11, a first pre-tightening bolt 12, a connecting plate 13, a third sliding block 14, a second U-shaped part 15, a rubber pad 16, a first U-shaped part 17, a pressing plate 18, a second pre-tightening bolt 19, a machine shell 20, a rod body 21, a stand column 22, an electric telescopic rod 23, a third U-shaped part 24, a dovetail sliding groove 25, a limiting plate 26, a convex block 27 and a remote control device 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an unmanned aerial vehicle shoots support damping device, includes rectangle seat 1, and rectangle seat 1 is plastics and makes.
As shown in fig. 5, a strip-shaped groove 2 has been seted up at four corners of rectangular seat 1, and four strip-shaped grooves 2 all are located the diagonal of rectangular seat 1, have all seted up spout 3 on the lateral wall of every strip-shaped groove 2, and strip-shaped groove 2 has all held connecting plate 13, all is equipped with the third slider 14 that is located spout 3 at the both ends of connecting plate 13 for connecting plate 13 can slide along spout 3.
The top surface of the connecting plate 13 is connected with a vertical column 22 which is arranged vertically to the connecting plate, and the vertical column 22 which is positioned above the rectangular base 1 is fixed with the rectangular base 1 through a locking device; the locking device comprises two convex blocks 27, the two convex blocks 27 are respectively connected to two sides of the upright column 22, the convex blocks 27 are in threaded connection with first pre-tightening bolts 12, and the first pre-tightening bolts 12 can be rotated to abut against the surface of the rectangular seat 1.
The top surface of the upright column 22 is in threaded connection with a second pre-tightening bolt 19, the second pre-tightening bolt 19 and the upright column 22 are coaxially arranged, a pressing plate 18 penetrates through the second pre-tightening bolt 19, the pressing plate 18 extends towards the center of the rectangular seat 1, and the bottom surface of the pressing plate 18 is provided with an anti-skidding rubber pad.
The top surface of one side of the upright post 22, which is far away from the pressure plate 18, is provided with a first U-shaped part 17, the first U-shaped part 17 is internally connected with an electric telescopic rod 23 through a rotating shaft, the side surface of the connecting plate 13 right below the first U-shaped part 17 is connected with a third U-shaped part 24, one end of the electric telescopic rod 23, which is far away from the first U-shaped part 17, is arranged in a second U-shaped part 15, and the second U-shaped part 15 is connected with the electric telescopic rod 23 through;
as shown in fig. 4 and 3, the present invention further includes a supporting mechanism 10, the supporting mechanism 10 includes a rod body 21, one end of the rod body 21 is connected to a third U-shaped member 24 through a rotating shaft, and the second U-shaped member 15 is fixedly connected to the middle of the top surface of the rod body 21; when the length of the electric telescopic rod 23 is the shortest, the rod body 21 is in a horizontal position. The width of the rod body 21 is smaller than that of the strip-shaped groove 2.
As shown in fig. 4, a dovetail sliding groove 25 is provided on one surface of the rod body 21 away from the second U-shaped piece 15, a driving motor 4 is provided on the bottom surface of one end of the rod body 21 close to the third U-shaped piece 24, a screw rod 5 is connected to a rotating shaft of the driving motor 4, the screw rod 5 and the dovetail sliding groove 25 are arranged in parallel, a threaded seat 6 matched with the screw rod 5 is provided on the screw rod 5, the threaded seat 6 is connected with the dovetail sliding groove 25 through a second slider 11, and the threaded seat 6 and the second slider 11 are of an integral structure.
A first sliding block 8 is arranged in one end of the dovetail sliding groove 25, which is far away from the driving motor 4, the first sliding block 8 is connected with a second sliding block 11 through a damping spring 7, one end of the first sliding block 8, which is far away from the damping spring 7, is connected with a supporting leg 9, and the supporting leg 9 extends to the outer side of the dovetail sliding groove 25; be equipped with limiting plate 26 in the one end that driving motor 4 was kept away from to forked tail spout 25, landing leg 9 runs through limiting plate 26 and sets up, and limiting plate 26 is used for preventing first slider 8 from following the interior roll-off of forked tail spout 25. The end of the leg 9 away from the rod 21 is provided with a rubber pad 16.
The invention also includes a remote control unit 28; as shown in fig. 6, the remote control device 28 includes a rechargeable battery and a control motherboard, the rechargeable battery is connected to the control motherboard via a wire, an input end of the control motherboard is connected to the wireless receiver, and an output end of the control motherboard is connected to the driving motor 4 and the electric telescopic rod 23 via the driving circuit respectively; the wireless receiver is wirelessly connected with the remote controller; the rechargeable battery is connected with the driving motor 4 and the electric telescopic rod 23 through leads.
Be equipped with on the rectangle seat 1 rather than assorted unmanned aerial vehicle's casing 20, when casing 20 was located rectangle seat 1 center, put clamp plate 18 on casing 20 top surface, through rotatory second pretension bolt 19, can be fixed with casing 20, remote control unit 28 installs in casing 20.
When the unmanned aerial vehicle flying device is used, the shell 20 can be placed on the rectangular seat 1, the unmanned aerial vehicle is placed in the shell 20, the shell 20 is tightly pressed by the pressing plate 18, the unmanned aerial vehicle can take off, when the unmanned aerial vehicle flies into the air, the electric telescopic rod 23 can be controlled to be shortened by the remote controller, the rod body 21 is pulled to the horizontal position, and the flying resistance of the unmanned aerial vehicle can be reduced; when the unmanned aerial vehicle lands or needs to land for shooting, the electric telescopic rod 23 can be controlled to extend through the remote controller, the rod body 21 is downward, the driving motor 4 is controlled to rotate, the supporting legs 9 extend out of the outer sides of the dovetail chutes, the first sliding blocks 8 and the second sliding blocks 11 are connected through the damping springs 7, and when the supporting legs 9 are in contact with the ground, the damping springs 7 have the damping and buffering functions; when unmanned aerial vehicle fell subaerial, can also control driving motor 4 corotation or reversal through the remote controller to realize the extension of landing leg 9 or shorten, thereby make unmanned aerial vehicle obtain going up and down.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides an unmanned aerial vehicle shoots support vibration damper, including rectangle seat (1), a serial communication port, bar groove (2) have been seted up at four turnings of rectangle seat (1), four bar grooves (2) all are located the diagonal line of rectangle seat (1), spout (3) have all been seted up on the lateral wall of every bar groove (2), connecting plate (13) have all been held in bar groove (2), third slider (14) that are located spout (3) all are equipped with at the both ends of connecting plate (13), make connecting plate (13) can slide along spout (3);
the top surface of the connecting plate (13) is connected with an upright post (22) which is arranged vertically to the connecting plate, and the upright post (22) which is positioned above the rectangular seat (1) is fixed with the rectangular seat (1) through a locking device;
a second pre-tightening bolt (19) is connected to the top surface of the upright post (22) in a threaded manner, the second pre-tightening bolt (19) and the upright post (22) are coaxially arranged, a pressing plate (18) penetrates through the second pre-tightening bolt (19), and the pressing plate (18) extends towards the center of the rectangular seat (1); a first U-shaped part (17) is arranged on the top surface of one side, away from the pressing plate (18), of the upright column (22), an electric telescopic rod (23) is connected in the first U-shaped part (17) through a rotating shaft, a third U-shaped part (24) is connected to the side surface of the connecting plate (13) right below the first U-shaped part (17), one end, away from the first U-shaped part (17), of the electric telescopic rod (23) is placed in a second U-shaped part (15), and the second U-shaped part (15) is connected with the electric telescopic rod (23) through a rotating shaft;
the supporting mechanism (10) comprises a rod body (21), one end of the rod body (21) is connected into a third U-shaped part (24) through a rotating shaft, and the second U-shaped part (15) is fixedly connected to the middle of the top surface of the rod body (21); one surface of the rod body (21) far away from the second U-shaped piece (15) is provided with a dovetail sliding groove (25), the bottom surface of one end of the rod body (21) close to the third U-shaped piece (24) is provided with a driving motor (4), a screw rod (5) is connected to a rotating shaft of the driving motor (4), the screw rod (5) is arranged in parallel with the dovetail sliding groove (25), the screw rod (5) is provided with a thread seat (6) matched with the screw rod, the thread seat (6) is connected with the dovetail sliding groove (25) through a second sliding block (11), a first slide block (8) is arranged in one end of the dovetail slide groove (25) far away from the driving motor (4), the first slide block (8) is connected with a second slide block (11) through a damping spring (7), one end, far away from the damping spring (7), of the first sliding block (8) is connected with a supporting leg (9), and the supporting leg (9) extends to the outer side of the dovetail sliding groove (25); also includes a remote control device (28); the remote control device (28) comprises a rechargeable battery and a control main board, the rechargeable battery is connected with the control main board through a wire, the input end of the control main board is connected with a wireless receiver, and the output end of the control main board is respectively connected with the driving motor (4) and the electric telescopic rod (23) through a driving circuit; the wireless receiver is wirelessly connected with the remote controller; the rechargeable battery is connected with the driving motor (4) and the electric telescopic rod (23) through wires.
2. The vibration damper for the unmanned aerial vehicle shooting bracket of claim 1, wherein the rectangular base (1) is provided with a housing (20) of the unmanned aerial vehicle matched with the rectangular base, when the housing (20) is located at the center of the rectangular base (1), the pressing plate (18) is placed on the top surface of the housing (20), the housing (20) can be fixed by rotating the second pre-tightening bolt (19), and the remote control device (28) is installed in the housing (20).
3. The unmanned aerial vehicle shoots support vibration damper of claim 1, characterized in that, is equipped with limiting plate (26) in dovetail groove (25) one end of keeping away from driving motor (4), landing leg (9) run through limiting plate (26) and set up, limiting plate (26) are used for preventing first slider (8) from following dovetail groove (25) interior roll-off.
4. The vibration damper for the unmanned aerial vehicle shooting bracket of claim 1, wherein one end of the supporting leg (9) far away from the rod body (21) is provided with a rubber pad (16).
5. The vibration damper for the unmanned aerial vehicle shooting support is characterized in that the locking device comprises two convex blocks (27), the two convex blocks (27) are respectively connected to two sides of the upright post (22), the convex blocks (27) are respectively in threaded connection with a first pre-tightening bolt (12), and the first pre-tightening bolt (12) can be rotated to abut against the surface of the rectangular seat (1).
6. The vibration damper for the unmanned aerial vehicle photographing bracket as claimed in claim 1, wherein the bottom surface of the pressing plate (18) is provided with an anti-slip rubber pad.
7. The vibration damper for the unmanned aerial vehicle shooting bracket according to claim 1, wherein the threaded seat (6) and the second sliding block (11) are of an integral structure.
8. The unmanned aerial vehicle shoots support vibration damper according to claim 1 wherein when the length of electric telescopic rod (23) is the shortest, the rod body (21) is in a horizontal position.
9. The vibration damper for the unmanned aerial vehicle photographing bracket as claimed in claim 1, wherein the width of the rod body (21) is smaller than that of the strip-shaped groove (2).
10. The vibration damper for the unmanned aerial vehicle shooting bracket according to claim 1, wherein the rectangular base (1) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618934.5A CN107416190B (en) | 2017-07-26 | 2017-07-26 | Unmanned aerial vehicle shoots support damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618934.5A CN107416190B (en) | 2017-07-26 | 2017-07-26 | Unmanned aerial vehicle shoots support damping device |
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| Publication Number | Publication Date |
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| CN107416190A CN107416190A (en) | 2017-12-01 |
| CN107416190B true CN107416190B (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710618934.5A Expired - Fee Related CN107416190B (en) | 2017-07-26 | 2017-07-26 | Unmanned aerial vehicle shoots support damping device |
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| CN (1) | CN107416190B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746209A (en) * | 2019-02-14 | 2019-05-14 | 浙江中控太阳能技术有限公司 | A kind of heliostat cleaning equipment and its cleaning method |
| CN110001935B (en) * | 2019-05-07 | 2024-05-17 | 广州中国科学院沈阳自动化研究所分所 | Unmanned aerial vehicle takes off and land auxiliary device from initiative platform |
| CN111003161B (en) * | 2019-12-26 | 2021-07-23 | 安徽亿度网络科技有限公司 | Intelligent retraction device and method for unmanned aerial vehicle foot stand |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2815885C (en) * | 2013-05-15 | 2018-05-15 | Draganfly Innovations Inc. | Compact unmanned rotary aircraft |
| CN203806137U (en) * | 2013-12-30 | 2014-09-03 | 广州供电局有限公司 | Multi-rotor shock-absorbing landing stand |
| CN105292446B (en) * | 2015-11-16 | 2017-05-31 | 吉林大学 | A kind of damping undercarriage of four-axle aircraft |
| CN205499345U (en) * | 2016-03-16 | 2016-08-24 | 电子科技大学中山学院 | A shock attenuation undercarriage for unmanned aerial vehicle |
| CN206068140U (en) * | 2016-08-29 | 2017-04-05 | 桂阳县浩丰科技有限公司 | A kind of vicariouss unmanned plane damping undercarriage |
| CN205998118U (en) * | 2016-09-06 | 2017-03-08 | 中国电建集团成都勘测设计研究院有限公司 | Rotor wing unmanned aerial vehicle damping undercarriage |
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2017
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| CN107416190A (en) | 2017-12-01 |
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Effective date of registration: 20200522 Address after: 210000 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Applicant after: Nanjing Lishui hi tech Venture Capital Management Co.,Ltd. Address before: 528000 Guangdong Province, Foshan city Chancheng District Temple Road No. 51 seven layer number 759 Applicant before: FOSHAN HANGESI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20200612 |