CN211364953U - Unmanned aerial vehicle double-airbag synchronous opening device - Google Patents
Unmanned aerial vehicle double-airbag synchronous opening device Download PDFInfo
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- CN211364953U CN211364953U CN201922281494.6U CN201922281494U CN211364953U CN 211364953 U CN211364953 U CN 211364953U CN 201922281494 U CN201922281494 U CN 201922281494U CN 211364953 U CN211364953 U CN 211364953U
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Abstract
The utility model discloses a synchronous opening device of unmanned aerial vehicle biliopamp opens actuating mechanism, second gasbag and opens actuating mechanism and control two gasbags and open the synchronous drive mechanism of actuating mechanism work including first gasbag, and actuating mechanism, second gasbag are opened actuating mechanism and synchronous drive mechanism and are all installed on the unmanned aerial vehicle fuselage to first gasbag, and just actuating mechanism is opened to first gasbag, second gasbag open actuating mechanism and are connected with two gasbag covers of unmanned aerial vehicle respectively. The utility model discloses opening mechanism's scute around can spur simultaneously, couple and scute break away from, and the gasbag lid is opened, installs the gasbag between fuselage and gasbag lid and aerifys, has simple structure, connects reliably, the advantage of opening fast, but this design wide application is used in trades such as aviation, space flight.
Description
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicle, especially, relate to an unmanned aerial vehicle gasbag is opening device in step.
Background
The gasbag is landing damping device commonly used among the unmanned aerial vehicle recovery system, need open the gasbag lid on the fuselage when unmanned aerial vehicle retrieves to fall to the ground, pops out the gasbag to reduce the damage degree of landing impact to the fuselage. Meanwhile, the air bag cover needs to be reliably connected with the airplane body during normal flight. The traditional air bag opening mode is that a control mechanism is used for locking in flight to realize reliable connection of an air bag cover and a machine body, when the air bag is required to be opened, an on-machine control center sends an unlocking signal to the control mechanism, the control mechanism unlocks, and the air bag cover is opened. The starting mode needs a corresponding signal transmission link and a corresponding power supply channel besides a control organ, and meanwhile, a control center needs to program a corresponding program to realize the purpose of sending an unlocking signal at a proper time point. This kind of design needs many professions to cooperate, is unfavorable for production process management and control and coordination, has the risk that the gasbag lid is opened and the gasbag time of aerifing is inconsistent simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide an unmanned aerial vehicle gasbag synchronous opening device.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a synchronous opening device of unmanned aerial vehicle double-airbag, opens actuating mechanism and controls two gasbags and open the synchronous drive mechanism of actuating mechanism work including first gasbag, second gasbag, and actuating mechanism is opened to first gasbag, second gasbag and synchronous drive mechanism all installs on the unmanned aerial vehicle fuselage, and actuating mechanism is opened to first gasbag, second gasbag open actuating mechanism respectively with two gasbag covers of unmanned aerial vehicle be connected.
Preferably, the synchronous driving mechanism comprises an umbrella belt, an umbrella belt fixing seat, a locking mechanism, two first sliding blocks, a first pull rope and a second pull rope;
an airplane bulkhead is arranged in the unmanned aerial vehicle body, two vertical waist-shaped grooves are formed in the umbrella belt fixing seat at intervals, the two first sliding blocks are fixedly connected to the airplane bulkhead, and the first sliding blocks penetrate through the vertical waist-shaped grooves and are in sliding fit with the umbrella belt fixing seat;
the umbrella belt fixing seat is provided with an umbrella belt at one end far away from the air bag opening actuating mechanism, and a first pull rope and a second pull rope are arranged at the other end of the umbrella belt fixing seat through a locking mechanism.
Preferably, the two airbag covers are respectively a first airbag cover and a second airbag cover and are both arranged on the outer side of the unmanned aerial vehicle body;
the first air bag opening actuating mechanism comprises a first angle plate, two first hooks, a first pull rod, a first spring and a first limiting block;
first scute and fuselage sliding fit, first scute are equipped with two first hollow cavities, and the one end of two first couples is passed two first hollow cavities respectively and is connect and the other end and the first gasbag lid fixed connection of first couple with first scute, and first pull rod one end fixed connection is on first scute and its other end passes first stopper to first pull rod and first stopper sliding fit, first pull rod outside cover has first spring, and first pull rod is close to first stopper one end and is connected with the one end that the parachute harness fixing base was kept away from to first cable, and the cavity is gone up to the second that is equipped with on the first scute, and cavity fixed connection and first scute sliding fit are passed on the fuselage in the second to first stopper.
Preferably, the second air bag opening executing mechanism comprises a second angle plate, a second hook, a second pull rod, a second spring and a second limiting block;
the second angle plate is in sliding fit with the machine body, one end of the second hook penetrates through the second angle plate to be provided with a third hollow cavity, the third hollow cavity is connected with the second hook in a clamping mode, the other end of the second hook is fixedly connected with the second air bag cover, one end of the second pull rod is fixedly connected onto the second angle plate, the other end of the second pull rod penetrates through the second limiting block, the second pull rod is in sliding fit with the second limiting block, a second spring is sleeved outside the second pull rod, one end, close to the second limiting block, of the second pulling rod is connected with one end, far away from the umbrella belt fixing seat, of the second pulling rod, the fourth hollow cavity is arranged on the second angle plate, and the second limiting block penetrates through the fourth hollow cavity to be fixedly connected onto.
Preferably, the locking mechanism comprises a fixing block, a threaded rod with holes and a locking nut, the fixing block is fixedly connected to the umbrella belt fixing seat, and the first pull cable and the second pull cable penetrate through the threaded rod with holes and are fixedly connected to the fixing block through the locking nut.
Preferably, the umbrella further comprises a third limiting block, the third limiting block is fixedly connected to one side, far away from the umbrella belt fixing seat, of the aircraft separation frame, and the third limiting block is movably sleeved outside the first pull cable and the second pull cable.
Preferably, still include the second slider of fixed connection on the unmanned aerial vehicle fuselage, seted up the fifth on the first scute and well the cavity, the second slider passes fifth well cavity and first scute sliding fit.
Preferably, still include the third slider of fixed connection on the unmanned aerial vehicle fuselage, seted up the sixth on the second scute and well the cavity, the third slider passes sixth well cavity and second scute sliding fit.
Compared with the prior art, the utility model has the advantages of:
(1) when the unmanned aerial vehicle executes the parachute opening action, the umbrella belt fixing seat is pulled to slide upwards through the pulling force of the umbrella rope, the corner plates of the front and rear air bag opening executing mechanisms can be pulled simultaneously by the two pulling cables, the air bag cover is opened, and the air bag arranged between the body and the air bag cover is inflated, so that the unmanned aerial vehicle is convenient to operate, easy to use and practical, and the landing damage of the unmanned aerial vehicle is effectively reduced;
(2) the utility model discloses simple structure, the rational utilization parachute landing unmanned aerial vehicle's parachute line pulling force, when the parachute was opened automatic synchronization opened unmanned aerial vehicle's front and back gasbag lid, made the reliable separation of gasbag lid and fuselage.
Drawings
Fig. 1 is a schematic structural view of a double-airbag synchronous opening device of an unmanned aerial vehicle of the present invention;
fig. 2 is a schematic structural view of a synchronous driving mechanism of a double-airbag synchronous opening device of an unmanned aerial vehicle of the present invention;
fig. 3 is a schematic structural view of a first air bag opening actuating mechanism of the dual-air bag synchronous opening device of the unmanned aerial vehicle of the present invention;
fig. 4 is a schematic structural view of a second air bag opening actuating mechanism of the dual-air bag synchronous opening device of the unmanned aerial vehicle;
description of reference numerals:
1. the device comprises a synchronous driving mechanism 2, a first air bag opening executing mechanism 3, a second air bag opening executing mechanism 4, an umbrella belt 5 and an umbrella belt fixing seat;
6. an aircraft bulkhead;
7. the cable comprises a threaded rod with a hole, 8, a locking nut, 9-1, a first cable, 9-2 and a second cable;
10-1, a first limiting block, 10-2, a second limiting block, 10-3 and a third limiting block;
11. a fixed block is arranged on the upper surface of the bracket,
12-1, a first slide block, 12-2, a second slide block, 12-3 and a third slide block;
13-1, a first corner plate, 13-2 and a second corner plate;
14-1, a first hook, 14-2 and a second hook;
15-1, a first pull rod, 15-2 and a second pull rod;
16-1, a first spring, 16-2 and a second spring;
17-1, a first airbag cover, 17-2 and a second airbag cover;
18. a fuselage.
Detailed Description
The following description of the embodiments of the present invention is provided in connection with the following embodiments:
it should be noted that the structures, ratios, sizes, etc. illustrated in the present specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships or adjustments of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and the achievable purposes of the present invention.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1-4, the unmanned aerial vehicle comprises a first air bag cover 17-1, a second air bag cover 17-2, a first air bag opening executing mechanism 2, a second air bag opening executing mechanism 3 and a synchronous driving mechanism 1 for controlling the first air bag opening executing mechanism 2 and the second air bag opening executing mechanism 3 to work synchronously, wherein the first air bag cover 17-1 and the second air bag cover 17-2 are respectively covered outside two air bag cavities of an unmanned aerial vehicle body 18, the first air bag opening executing mechanism 2, the second air bag opening executing mechanism 3 and the synchronous driving mechanism 1 are respectively installed on the unmanned aerial vehicle body 18, and the first air bag opening executing mechanism 2 and the second air bag opening executing mechanism 3 are respectively used for opening the first air bag cover 17-1 and the second air bag cover 17-2.
Specifically, the synchronous driving mechanism 1 comprises an umbrella belt 4, an umbrella belt fixing seat 5, a locking mechanism, two first sliding blocks 12-1, a first pull cable 9-1 and a second pull cable 9-2;
an airplane bulkhead 6 is arranged in the fuselage 18, two vertical waist-shaped grooves are formed in the umbrella belt fixing seat 5 at intervals, the two vertical waist-shaped grooves are on the same straight line, two first sliding blocks 12-1 are fixedly connected to the airplane bulkhead 6, and the first sliding blocks 12-1 penetrate through the vertical waist-shaped grooves and are in sliding fit with the umbrella belt fixing seat 5; the umbrella belt fixing seat 5 can slide up and down along the partition frame 6.
One end of the umbrella belt fixing seat 5, which is far away from the air bag opening executing mechanism, is provided with an umbrella belt 4, and the other end is fixed with a first inhaul cable 9-1 and a second inhaul cable 9-2 through a locking mechanism.
Specifically, locking mechanism includes fixed block 11, foraminiferous screw rod 7 and lock nut 8, and fixed block 11 is fixed on strap fixing base 5, and the cable passes behind foraminiferous screw rod 7 to be fixed on fixed block 11 through lock nut 8.
Specifically, the umbrella further comprises a third limiting block 10-3, wherein the third limiting block 10-3 is fixed on one side, far away from the umbrella belt fixing seat 5, of the aircraft bulkhead 6 and movably sleeved outside the first pull cable 9-1 and the second pull cable 9-2.
The third limiting block 10-3 is used for limiting the position where the inhaul cable drives the two air bag opening executing mechanisms to pull.
Specifically, a first airbag cover 17-1 and a second airbag cover 17-2 are provided inside the body 18;
the first air bag opening executing mechanism 2 comprises a first angle plate 13-1, two first hooks 14-1, a first pull rod 15-1, a first spring 16-1 and a first limiting block 10-1;
the first angle plate 13-1 is provided with two first hollow cavities, one end of each of two first hooks 14-1 respectively penetrates through the two first hollow cavities and is clamped with the first angle plate 13-1, the other end of each first hook 14-1 is fixedly connected with the first air bag cover 17-1, one end of a first pull rod 15-1 is fixedly connected to the first angle plate 13-1, the other end of the first pull rod penetrates through a first limiting block 10-1, the first pull rod 15-1 is in sliding fit with the first limiting block 10-1, a first spring 16-1 is sleeved outside the first pull rod 15-1, one end, close to the first limiting block 10-1, of the first pull rod 15-1 is connected with one end, far away from the umbrella belt fixing seat 5, of the first pull cable 9-1, a second hollow cavity is arranged on the first angle plate 13-1, the first limiting block 10-1 penetrates through the second hollow cavity and is fixedly connected to the unmanned aerial vehicle body 18, and the first limiting block 10-1 and the A corner plate 13-1 is in sliding fit, and a first corner plate 13-1 is in sliding fit with the machine body 18.
Specifically, the unmanned aerial vehicle further comprises a second sliding block 12-2 fixedly connected to the body of the unmanned aerial vehicle, a fifth hollow cavity is formed in the first angle plate 13-1, and the second sliding block 12-2 penetrates through the fifth hollow cavity to be in sliding fit with the first angle plate 13-1.
The first air bag opening executing mechanism 2 comprises a first angle plate 13-1, two first hooks 14-1, a first pull rod 15-1, a first spring 16-1, a first limiting block 10-2 and a second sliding block 12-3, wherein a first pull rope 9-1 pulls the first angle plate 13-1 to slide through the first pull rod 15-1, so that the two first hooks 14-1 can be reliably separated from the first angle plate 13-1, the first hook 14-1 can be more reliably connected with the first angle plate 13-1 by adding the first spring 16-1 and can automatically rebound, and the first angle plate 13-1 can more flexibly slide by adding the second sliding block 12-2.
Specifically, the second air bag opening executing mechanism 3 comprises a second angle plate 13-2, a second hook 14-2, a second pull rod 15-2, a second spring 16-2 and a second limiting block 10-2;
one end of a second hook 14-2 penetrates through a second angle plate 13-2 to be provided with a third hollow cavity and is clamped with the second angle plate 13-2, the other end of the second hook is fixedly connected with a second airbag cover 17-2, one end of a second pull rod 15-2 is fixedly connected with the second angle plate 13-2, the other end of the second pull rod penetrates through a second limit block 10-2, the second pull rod 15-2 is in sliding fit with the second limit block 10-2, a second spring 16-2 is sleeved outside the second pull rod 15-2, one end of the second pull rod 15-2, which is close to the second limit block 10-2, is connected with one end of the second pull cable 15-2, which is far away from the umbrella belt fixing seat 5, a fourth hollow cavity is arranged on the second angle plate 13-2, the second limit block 10-2 penetrates through the fourth hollow cavity and is fixedly connected on an unmanned aerial vehicle body 18, and the second limit block 10-2 is in sliding fit, the second gusset 13-2 is slidably fitted to the body 18.
Specifically, the unmanned aerial vehicle further comprises a third sliding block 12-3 fixedly connected to the body of the unmanned aerial vehicle, a sixth hollow cavity is formed in the second angle plate 13-2, and the third sliding block 12-3 penetrates through the sixth hollow cavity to be in sliding fit with the second angle plate 13-2.
The second air bag opening executing mechanism 3 consists of a second angle plate 13-2, a second hook 14-2, a second pull rod 15-2, a second spring 16-2, a second limiting block 10-2 and a third sliding block 12-3, the second pull rope 9-2 pulls the second angle plate 13-2 to slide through the second pull rod 15-2, so that the second hook 14-2 and the second angle plate 13-2 can be reliably separated, the second spring 16-2 is added, so that the second hook 14-2 and the second angle plate 13-2 can be connected more reliably and can automatically rebound, and the second angle plate 13-2 can slide more flexibly by adding the third sliding block 12-3.
The working principle is as follows:
one end of the umbrella belt fixing seat 5 is connected with the umbrella belt 4, the other end of the umbrella belt fixing seat is connected with two pull ropes, the two pull ropes are fixed on the umbrella belt fixing seat 5 through a fixing block 11, a screw rod 7 with holes and a locking nut 8 and can slide up and down along with the umbrella belt fixing seat 5, when the unmanned aerial vehicle executes the umbrella opening action, the umbrella belt fixing seat 5 is pulled to slide upwards through the pull force of the umbrella ropes, the two pull ropes can simultaneously pull a first angle plate 13-1 of a first air bag opening executing mechanism 2 and a second angle plate 13-2 of a second air bag opening executing mechanism 3, the first air bag cover 17-1 and the second air bag cover 17-2 are positioned at the outer sides of two air bag cavities on the machine body 18, when the first angle plate 13-1 and the second angle plate 13-2 are respectively separated from the first hook 14-1 and the second hook 14-2, the air bag cover is opened, and ejecting the air bag.
In conclusion, the synchronous opening device of two gasbags of unmanned aerial vehicle includes synchronous actuating mechanism 1, first gasbag opening actuating mechanism 2 and second gasbag opening actuating mechanism 3. Umbrella area fixing base 5 is fixed on unmanned aerial vehicle's aircraft bulkhead 6, and umbrella area fixing base 5 can slide from top to bottom along aircraft bulkhead 6. Umbrella area 4 is connected to 5 one ends of umbrella area fixing base, and two cables are being connected to one end in addition, and through umbrella rope pulling force pulling umbrella area fixing base lapse when unmanned aerial vehicle carries out the action of opening the umbrella, gasbag open actuating mechanism's scute around two cables just can stimulate simultaneously, and couple and scute break away from, and the gasbag lid is opened, installs the gasbag between fuselage and gasbag lid and aerifys, has simple structure, connects reliable advantage.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (8)
1. The utility model provides a synchronous opening device of unmanned aerial vehicle double-airbag, its characterized in that: the automatic air bag opening and closing device comprises a first air bag opening executing mechanism (2), a second air bag opening executing mechanism (3) and a synchronous driving mechanism (1) for controlling the two air bags to open the executing mechanism, wherein the first air bag opening executing mechanism (2), the second air bag opening executing mechanism (3) and the synchronous driving mechanism (1) are all installed on a fuselage of the unmanned aerial vehicle, and the first air bag opening executing mechanism (2) and the second air bag opening executing mechanism (3) are respectively connected with two air bag covers of the unmanned aerial vehicle.
2. The unmanned aerial vehicle double-airbag synchronous opening device of claim 1, wherein: the synchronous driving mechanism (1) comprises an umbrella belt (4), an umbrella belt fixing seat (5), a locking mechanism, two first sliding blocks (12-1), a first pull cable (9-1) and a second pull cable (9-2);
an airplane bulkhead (6) is arranged inside the unmanned aerial vehicle body, two vertical waist-shaped grooves are formed in the umbrella belt fixing seat (5) at intervals, the two first sliding blocks are fixedly connected to the airplane bulkhead, and the first sliding blocks penetrate through the vertical waist-shaped grooves and are in sliding fit with the umbrella belt fixing seat (5);
one end of the umbrella belt fixing seat (5) far away from the air bag opening executing mechanism is provided with an umbrella belt (4), and the other end is provided with a first inhaul cable (9-1) and a second inhaul cable (9-2) through a locking mechanism.
3. The unmanned aerial vehicle double-airbag synchronous opening device of claim 2, wherein: the two airbag covers are respectively a first airbag cover (17-1) and a second airbag cover (17-2) and are both arranged on the outer side of the unmanned aerial vehicle body;
the first air bag opening actuating mechanism (2) comprises a first angle plate (13-1), two first hooks (14-1), a first pull rod (15-1), a first spring (16-1) and a first limiting block (10-1);
the first angle plate (13-1) is in sliding fit with the machine body, the first angle plate (13-1) is provided with two first hollow cavities, one ends of two first hooks (14-1) respectively penetrate through the two first hollow cavities and are connected with the first angle plate in a clamping mode, the other end of each first hook (14-1) is fixedly connected with the first air bag cover (17-1), one end of a first pull rod (15-1) is fixedly connected to the first angle plate (13-1) and penetrates through a first limiting block, the other end of the first pull rod is in sliding fit with the first limiting block, a first spring (16-1) is sleeved outside the first pull rod (15-1), one end, close to the first limiting block, of the first pull rod is connected with one end, far away from the umbrella belt fixing seat, of the first pull rope, a second hollow cavity is arranged on the first angle plate (13-1), and the first limiting block (10-1) penetrates through the second hollow cavity and is fixedly connected to the machine body and is in sliding fit with the first angle plate .
4. The unmanned aerial vehicle double-airbag synchronous opening device of claim 3, wherein:
the second air bag opening actuating mechanism (3) comprises a second angle plate (13-2), a second hook (14-2), a second pull rod (15-2), a second spring (16-2) and a second limiting block (10-2);
the second angle plate (13-2) is in sliding fit with the machine body, one end of a second hook (14-2) penetrates through the second angle plate (13-2) to be provided with a third hollow cavity and is clamped with the second angle plate, the other end of the second hook is fixedly connected with a second airbag cover (17-2), one end of a second pull rod is fixedly connected to the second angle plate, the other end of the second pull rod penetrates through a second limiting block, the second pull rod is in sliding fit with the second limiting block, a second spring is sleeved outside the second pull rod, one end, close to the second limiting block, of the second pull rod is connected with one end, far away from the umbrella belt fixing seat, of the second pull rod, a fourth hollow cavity is arranged on the second angle plate (13-2), and the second limiting block (10-2) penetrates through the fourth hollow cavity to be fixedly connected to the machine body and is in sliding fit with the second angle plate (13.
5. The unmanned aerial vehicle double-airbag synchronous opening device of claim 2, wherein: the locking mechanism comprises a fixing block (11), a threaded rod (7) with holes and a locking nut (8), the fixing block (11) is fixedly connected to the umbrella belt fixing seat (5), and the first pull cable (9-1) and the second pull cable (9-2) penetrate through the threaded rod (7) with holes and are fixedly connected to the fixing block (11) through the locking nut (8).
6. The unmanned aerial vehicle double-airbag synchronous opening device of claim 5, wherein: the umbrella is characterized by further comprising a third limiting block (10-3), wherein the third limiting block (10-3) is fixedly connected to one side, far away from the umbrella belt fixing seat (5), of the aircraft bulkhead (6) and movably sleeved outside the first pull cable (9-1) and the second pull cable (9-2).
7. The unmanned aerial vehicle double-airbag synchronous opening device of claim 3, wherein: the unmanned aerial vehicle further comprises a second sliding block (12-2) fixedly connected to the unmanned aerial vehicle body, a fifth hollow cavity is formed in the first corner plate (13-1), and the second sliding block (12-2) penetrates through the fifth hollow cavity to be in sliding fit with the first corner plate.
8. The unmanned aerial vehicle double-airbag synchronous opening device of claim 4, wherein: the unmanned aerial vehicle further comprises a third sliding block (12-3) fixedly connected to the unmanned aerial vehicle body, a sixth hollow cavity is formed in the second angle plate (13-2), and the third sliding block (12-3) penetrates through the sixth hollow cavity to be in sliding fit with the second angle plate (13-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281494.6U CN211364953U (en) | 2019-12-18 | 2019-12-18 | Unmanned aerial vehicle double-airbag synchronous opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281494.6U CN211364953U (en) | 2019-12-18 | 2019-12-18 | Unmanned aerial vehicle double-airbag synchronous opening device |
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| Publication Number | Publication Date |
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| CN211364953U true CN211364953U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922281494.6U Active CN211364953U (en) | 2019-12-18 | 2019-12-18 | Unmanned aerial vehicle double-airbag synchronous opening device |
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| Country | Link |
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| CN (1) | CN211364953U (en) |
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- 2019-12-18 CN CN201922281494.6U patent/CN211364953U/en active Active
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Effective date of registration: 20200911 Address after: Room 11402, unit 1, building 1, Xinhui building, No. 33, Gaoxin Road, high tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Pangang electromechanical technology service partnership (limited partnership) Address before: No.11606, 16 / F, unit 1, building 1, CICI, No.10, No.1, Jinye Road, Zhangba street, hi tech Zone, Xi'an City, Shaanxi Province Patentee before: XI'AN LONG TECHNOLOGY & DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20220330 Address after: 710300 Building 9, second zone of science and technology enterprise accelerator, No. 6 West Qinling Avenue, Caotang science and technology industry base, high tech Zone, Xi'an, Shaanxi Province Patentee after: XI'AN LONG TECHNOLOGY & DEVELOPMENT Co.,Ltd. Address before: 710075 room 11402, unit 1, building 1, Xinhui building, No. 33, Gaoxin Road, high tech Zone, Xi'an, Shaanxi Province Patentee before: Xi'an Pangang electromechanical technology service partnership (limited partnership) |
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