CN111169625A - Unmanned aerial vehicle is with removing wheel - Google Patents
Unmanned aerial vehicle is with removing wheel Download PDFInfo
- Publication number
- CN111169625A CN111169625A CN202010041171.4A CN202010041171A CN111169625A CN 111169625 A CN111169625 A CN 111169625A CN 202010041171 A CN202010041171 A CN 202010041171A CN 111169625 A CN111169625 A CN 111169625A
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- Prior art keywords
- rod
- fixed
- unmanned aerial
- aerial vehicle
- spring
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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.)
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Links
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000002708 enhancing effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 34
- 230000003139 buffering effect Effects 0.000 abstract description 14
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
-
- 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
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Handcart (AREA)
Abstract
The invention relates to the technical field of unmanned aerial vehicles, in particular to a movable wheel for an unmanned aerial vehicle, which comprises a top plate and a movable wheel body, wherein an outer cylinder is fixed at the bottom of the top plate, an inner rod is connected to the inner wall of the outer cylinder in a sliding manner, a bottom plate is fixed at the bottom end of the inner rod, a second spring is arranged between the bottom end of the outer cylinder and the bottom plate, and the second spring is sleeved on the inner rod; and a buffer mechanism for enhancing the buffer effect is arranged at the bottom of the bottom plate. After the movable wheel for the unmanned aerial vehicle contacts the ground, the first supporting rod and the second supporting rod rotate to expand outwards, the lantern ring is driven by the first connecting rod and the second connecting rod to ascend along the central rod, the first spring is compressed, the buffering effect is enhanced, and the impact force is reduced; utilize the second spring can play the effect of buffering, through the cooperation of inserted bar with the slot, utilize the third spring further to strengthen buffering effect, the impact force that the driving wheel body received when having reduced unmanned aerial vehicle descending greatly has prolonged the life who removes the wheel body.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a movable wheel for an unmanned aerial vehicle.
Background
The drone is usually provided with moving wheels at the bottom in order to move. However, the existing unmanned aerial vehicle moving wheel suffers from large impact force when the unmanned aerial vehicle lands, and the service life of the moving wheel is shortened. In order to solve the problems, the invention provides a movable wheel for an unmanned aerial vehicle.
Disclosure of Invention
The invention aims to provide a moving wheel for an unmanned aerial vehicle, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a movable wheel for an unmanned aerial vehicle comprises a top plate and a movable wheel body, wherein a mounting vertical plate is fixed on the top plate, a mounting transverse plate is fixed at the top of the mounting vertical plate, and a first mounting hole and a second mounting hole are respectively formed in the mounting transverse plate and the mounting vertical plate; an outer barrel is fixed at the bottom of the top plate, an inner rod is connected to the inner wall of the outer barrel in a sliding mode, a bottom plate is fixed at the bottom end of the inner rod, a second spring is arranged between the bottom end of the outer barrel and the bottom plate, and the second spring is sleeved on the inner rod;
the bottom of the bottom plate is provided with a buffer mechanism for enhancing the buffer effect; be convenient for the installation through first mounting hole and second mounting hole and fix on unmanned aerial vehicle, through the sliding fit of urceolus and interior pole, utilize the second spring to play the effect of buffering, rethread buffer gear reinforcing buffering effect has reduced the unmanned aerial vehicle landing time shift wheel body greatly and has received the impact force, has prolonged the life of removing the wheel body.
As a further scheme of the invention: the buffer mechanism comprises a support assembly and a connecting rod assembly.
As a still further scheme of the invention: the support assembly comprises a first support rod, a second support rod and a wheel seat;
the bottom of the bottom plate is provided with a support hinged with the upper ends of the first supporting rod and the second supporting rod, the lower ends of the first supporting rod and the second supporting rod are respectively fixed with a first mounting foot and a second mounting foot, the bottoms of the first mounting foot and the second mounting foot are respectively provided with a wheel seat, and the movable wheel body is arranged on the wheel seat; through the hinged fit of the first supporting rod, the second supporting rod and the support, the first supporting rod and the second supporting rod can rotate.
As a still further scheme of the invention: the connecting rod assembly comprises a first connecting rod, a second connecting rod and a center rod;
the central rod is fixed at the center of the bottom surface of the bottom plate, a stop block is arranged at the bottom end of the central rod, a lantern ring is slidably sleeved on the central rod, a first spring is arranged between the lantern ring and the bottom plate, and the first spring is sleeved on the central rod;
two ends of the first connecting rod are respectively hinged with the first supporting rod and the lantern ring, and two ends of the second connecting rod are respectively hinged with the second supporting rod and the lantern ring; unmanned aerial vehicle is when descending, removes the wheel body and at first contacts ground, drives the rotatory outside expansion of first bracing piece and second bracing piece, drives the lantern ring through first connecting rod and second connecting rod and rises along well core rod, compresses first spring, and reinforcing cushioning effect reduces the impact force.
As a still further scheme of the invention: an inserting rod is fixed in the outer barrel, an inserting groove matched with the inserting rod is formed in the inner rod, a third spring is arranged between the top end of the inner rod and the inner top wall of the outer barrel, and the third spring is sleeved on the inserting rod; through the cooperation of inserted bar and slot, utilize the third spring further to strengthen buffering effect.
As a still further scheme of the invention: a sliding rod is fixed on the bottom plate, a fixing block is arranged on the side face of the outer barrel, the sliding rod penetrates through the fixing block and is in sliding connection with the fixing block, a supporting rod is fixed at the top end of the inner rod, a guide through hole for the supporting rod to penetrate through is formed in the side wall of the outer barrel, and the upper end of the sliding rod is connected with the supporting rod; through the sliding fit of slide bar and fixed block and the cooperation of branch and direction opening, unmanned aerial vehicle slides from top to bottom along the fixed block when descending, and branch removes in the direction opening, for interior pole reciprocate the reinforcing steadiness.
As a still further scheme of the invention: grooves for embedding the wheel seats are formed in the bottoms of the first mounting foot and the second mounting foot, a first fixing block and a second fixing block are fixed on the bottom surfaces of the first mounting foot and the second mounting foot respectively, bolts penetrate through the first fixing block and the second fixing block, nuts are sleeved on the bolts in a threaded mode, and through holes for the bolts to penetrate through are formed in the wheel seats; through the recess with the first installation foot of top embedding of wheel seat and second installation foot, pass first fixed block, wheel seat and second fixed block in proper order with the bolt again to the nut of screwing can be fixed the wheel seat installation in the bottom of first installation foot and second installation foot, simple to operate is convenient for change wheel seat and removal wheel body.
Compared with the prior art, the invention has the beneficial effects that:
1. the moving wheel for the unmanned aerial vehicle is convenient to install and fix on the unmanned aerial vehicle through the first mounting hole and the second mounting hole, when the unmanned aerial vehicle lands, the moving wheel body firstly contacts the ground to drive the first supporting rod and the second supporting rod to rotate and expand outwards, the lantern ring is driven by the first connecting rod and the second connecting rod to ascend along the central rod, the first spring is compressed, the buffering effect is enhanced, and the impact force is reduced; through the sliding fit of urceolus and interior pole, utilize the second spring can play the effect of buffering, through the cooperation of inserted bar with the slot, utilize the third spring further to strengthen buffering effect, the impact force that the driving wheel body received when having reduced unmanned aerial vehicle landing greatly has prolonged the life who removes the wheel body.
2. This unmanned aerial vehicle is with removing wheel passes through the sliding fit of slide bar and fixed block and the cooperation of branch and direction opening, and unmanned aerial vehicle slides from top to bottom along the fixed block when descending, and branch removes in the direction opening, for the reinforcing steadiness that reciprocates of interior pole.
3. This unmanned aerial vehicle is with removing wheel is through in the recess with the first installation foot of top embedding of wheel seat and second installation foot, again with the bolt pass first fixed block, wheel seat and second fixed block in proper order to the nut of screwing can be fixed the wheel seat installation in the bottom of first installation foot and second installation foot, simple to operate is convenient for change wheel seat and removal wheel body.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a combination structure of an outer cylinder and an inner rod in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is an enlarged schematic structural view of a part a in embodiment 2 of the present invention.
In the figure: 1-top plate, 2-mounting vertical plate, 3-first mounting hole, 4-mounting transverse plate, 5-second mounting hole, 6-outer cylinder, 7-guiding through hole, 8-supporting rod, 9-fixing block, 10-inner rod, 11-sliding rod, 12-bottom plate, 13-first mounting foot, 14-wheel seat, 15-moving wheel body, 16-first supporting rod, 17-first connecting rod, 18-lantern ring, 19-stop block, 20-second connecting rod, 21-second mounting foot, 22-second supporting rod, 23-support, 24-first spring, 25-central rod, 26-second spring, 27-slot, 28-inserted rod, 29-third spring, 30-groove, 31-bolt, 32-first fixing block, 33-through hole, 34-nut, 35-second fixed block.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-2, in the embodiment of the present invention, a moving wheel for an unmanned aerial vehicle includes a top plate 1 and a moving wheel body 15, a mounting vertical plate 2 is fixed on the top plate 1, a mounting horizontal plate 4 is fixed on the top of the mounting vertical plate 2, and a first mounting hole 3 and a second mounting hole 5 are respectively formed on the mounting horizontal plate 4 and the mounting vertical plate 2; an outer cylinder 6 is fixed at the bottom of the top plate 1, an inner rod 10 is connected to the inner wall of the outer cylinder 6 in a sliding mode, a bottom plate 12 is fixed at the bottom end of the inner rod 10, a second spring 26 is arranged between the bottom end of the outer cylinder 6 and the bottom plate 12, and the second spring 26 is sleeved on the inner rod 10;
the bottom of the bottom plate 12 is provided with a buffer mechanism for enhancing the buffer effect; through first mounting hole 3 and second mounting hole 5 installation of being convenient for fix on unmanned aerial vehicle, through urceolus 6 and interior pole 10 sliding fit, utilize second spring 26 can play the effect of buffering, rethread buffer gear reinforcing buffering effect, the impact force that driving wheel body 15 received when having reduced unmanned aerial vehicle landing greatly has prolonged the life of removing wheel body 15.
Further, the buffer mechanism comprises a support assembly and a connecting rod assembly.
Specifically, the support assembly includes a first support bar 16, a second support bar 22, and a wheel seat 14;
a support 23 hinged with the upper ends of the first support rod 16 and the second support rod 22 is installed at the bottom of the bottom plate 12, a first installation foot 13 and a second installation foot 21 are respectively fixed at the lower ends of the first support rod 16 and the second support rod 22, wheel seats 14 are installed at the bottoms of the first installation foot 13 and the second installation foot 21, and a movable wheel body 15 is installed on the wheel seats 14; the first support bar 16 and the second support bar 22 can rotate through the hinged fit of the first support bar 16 and the second support bar 22 with the support 23.
Specifically, the connecting rod assembly comprises a first connecting rod 17, a second connecting rod 20 and a central rod 25;
the central rod 25 is fixed at the center of the bottom surface of the bottom plate 12, a stop dog 19 is arranged at the bottom end of the central rod 25, a lantern ring 18 is slidably sleeved on the central rod 25, a first spring 24 is arranged between the lantern ring 18 and the bottom plate 12, and the first spring 24 is sleeved on the central rod 25;
two ends of the first connecting rod 17 are respectively hinged with the first supporting rod 16 and the lantern ring 18, and two ends of the second connecting rod 20 are respectively hinged with the second supporting rod 22 and the lantern ring 18; unmanned aerial vehicle is when descending, removes wheel body 15 and at first contacts ground, drives the rotatory outside expansion of first bracing piece 16 and second bracing piece 22, drives lantern ring 18 through first connecting rod 17 and second connecting rod 20 and rises along well core rod 25, compresses first spring 24, and the reinforcing cushioning effect reduces the impact force.
Further, an insert rod 28 is fixed in the outer cylinder 6, a slot 27 matched with the insert rod 28 is formed in the inner rod 10, a third spring 29 is arranged between the top end of the inner rod 10 and the inner top wall of the outer cylinder 6, and the third spring 29 is sleeved on the insert rod 28; the cushioning effect is further enhanced by the third spring 29 through the engagement of the plunger 28 with the slot 27.
Further, a sliding rod 11 is fixed on the bottom plate 12, a fixing block 9 is arranged on the side face of the outer cylinder 6, the sliding rod 11 penetrates through the fixing block 9 and is connected with the fixing block in a sliding mode, a supporting rod 8 is fixed at the top end of the inner rod 10, a guide through hole 7 for the supporting rod 8 to penetrate through is formed in the side wall of the outer cylinder 6, and the upper end of the sliding rod 11 is connected with the supporting rod 8; through the sliding fit of slide bar 11 and fixed block 9 and the cooperation of branch 8 and direction opening 7, unmanned aerial vehicle is when descending, and slide bar 11 slides from top to bottom along fixed block 9, and branch 8 removes in direction opening 7, for interior pole 10 reciprocate the reinforcing steadiness.
The working principle of the embodiment of the invention is as follows: the first mounting hole 3 and the second mounting hole 5 are convenient to mount and fix on the unmanned aerial vehicle, when the unmanned aerial vehicle lands, the moving wheel body 15 firstly contacts the ground to drive the first supporting rod 16 and the second supporting rod 22 to rotate and expand outwards, the first connecting rod 17 and the second connecting rod 20 drive the lantern ring 18 to ascend along the central rod 25, the first spring 24 is compressed, the buffering effect is enhanced, and the impact force is reduced; through the sliding fit of the outer cylinder 6 and the inner rod 10, the second spring 26 can play a role in buffering, through the matching of the inserted rod 28 and the slot 27, the buffering effect is further enhanced through the third spring 29, the impact force on the moving wheel body 15 when the unmanned aerial vehicle lands is greatly reduced, and the service life of the moving wheel body 15 is prolonged; through the sliding fit of slide bar 11 and fixed block 9 and the cooperation of branch 8 and direction opening 7, unmanned aerial vehicle is when descending, and slide bar 11 slides from top to bottom along fixed block 9, and branch 8 removes in direction opening 7, for interior pole 10 reciprocate the reinforcing steadiness.
Example 2
Referring to fig. 3-4, in the embodiment of the present invention, a movable wheel for an unmanned aerial vehicle is different from embodiment 1 in that grooves 30 for embedding a wheel seat 14 are formed at bottoms of a first mounting leg 13 and a second mounting leg 21, a first fixing block 32 and a second fixing block 35 are fixed on bottom surfaces of the first mounting leg 13 and the second mounting leg 21, bolts 31 penetrate through the first fixing block 32 and the second fixing block 35, nuts 34 are screwed on the bolts 31, and through holes 33 for the bolts 31 to pass through are formed in the wheel seat 14; through in the recess 30 with the first installation foot 13 of top embedding of wheel seat 14 and second installation foot 21, pass first fixed block 32, wheel seat 14 and second fixed block 35 with bolt 31 in proper order again to screw nut 34, can fix the bottom at first installation foot 13 and second installation foot 21 with the installation of wheel seat 14, simple to operate is convenient for change wheel seat 14 and remove wheel body 15.
While 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.
Claims (7)
1. The utility model provides an unmanned aerial vehicle is with removing wheel, includes roof (1) and removes wheel body (15), is fixed with installation riser (2) on roof (1), and the top of installation riser (2) is fixed with installation diaphragm (4), has seted up first mounting hole (3) and second mounting hole (5), its characterized in that on installation diaphragm (4) and installation riser (2) respectively:
an outer barrel (6) is fixed at the bottom of the top plate (1), an inner rod (10) is connected to the inner wall of the outer barrel (6) in a sliding mode, a bottom plate (12) is fixed at the bottom end of the inner rod (10), a second spring (26) is arranged between the bottom end of the outer barrel (6) and the bottom plate (12), and the inner rod (10) is sleeved with the second spring (26);
and a buffer mechanism for enhancing the buffer effect is arranged at the bottom of the bottom plate (12).
2. The mobile wheel for unmanned aerial vehicle according to claim 1, wherein:
the buffer mechanism comprises a support assembly and a connecting rod assembly.
3. The mobile wheel for unmanned aerial vehicle according to claim 2, wherein:
the support assembly comprises a first support rod (16), a second support rod (22) and a wheel seat (14);
the bottom of bottom plate (12) is installed with first bracing piece (16) and second bracing piece (22) upper end articulated support (23), and the lower extreme of first bracing piece (16) and second bracing piece (22) is fixed with first installation foot (13) and second installation foot (21) respectively, and wheel seat (14) are all installed to the bottom of first installation foot (13) and second installation foot (21), move wheel body (15) and install on wheel seat (14).
4. The mobile wheel for unmanned aerial vehicle according to claim 3, wherein:
the connecting rod assembly comprises a first connecting rod (17), a second connecting rod (20) and a central rod (25);
the center rod (25) is fixed at the center of the bottom surface of the bottom plate (12), a stop block (19) is arranged at the bottom end of the center rod (25), a lantern ring (18) is slidably sleeved on the center rod (25), a first spring (24) is arranged between the lantern ring (18) and the bottom plate (12), and the center rod (25) is sleeved with the first spring (24);
two ends of the first connecting rod (17) are respectively hinged with the first supporting rod (16) and the lantern ring (18), and two ends of the second connecting rod (20) are respectively hinged with the second supporting rod (22) and the lantern ring (18).
5. The mobile wheel for unmanned aerial vehicle according to any one of claims 1 to 5, wherein:
an inserting rod (28) is fixed in the outer barrel (6), a slot (27) matched with the inserting rod (28) is formed in the inner rod (10), a third spring (29) is arranged between the top end of the inner rod (10) and the inner top wall of the outer barrel (6), and the third spring (29) is sleeved on the inserting rod (28).
6. The mobile wheel for unmanned aerial vehicle according to claim 5, wherein:
be fixed with slide bar (11) on bottom plate (12), be equipped with fixed block (9) on the side of urceolus (6), slide bar (11) run through fixed block (9) and rather than sliding connection, the top of interior pole (10) is fixed with branch (8), sets up direction opening (7) that supply branch (8) to pass on the lateral wall of urceolus (6), and the upper end and branch (8) of slide bar (11) are connected.
7. The mobile wheel for unmanned aerial vehicle according to claim 3, wherein:
recess (30) that are used for embedding wheel seat (14) are all seted up to the bottom of first installation foot (13) and second installation foot (21), all are fixed with first fixed block (32) and second fixed block (35) on the bottom surface of first installation foot (13) and second installation foot (21), wear to be equipped with bolt (31) on first fixed block (32) and second fixed block (35), threaded sleeve is equipped with nut (34) on bolt (31), set up through-hole (33) that supply bolt (31) to pass on wheel seat (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010041171.4A CN111169625A (en) | 2020-01-15 | 2020-01-15 | Unmanned aerial vehicle is with removing wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010041171.4A CN111169625A (en) | 2020-01-15 | 2020-01-15 | Unmanned aerial vehicle is with removing wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111169625A true CN111169625A (en) | 2020-05-19 |
Family
ID=70625320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010041171.4A Withdrawn CN111169625A (en) | 2020-01-15 | 2020-01-15 | Unmanned aerial vehicle is with removing wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111169625A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007274A (en) * | 2021-02-24 | 2021-06-22 | 山东钢铁股份有限公司 | Three-level energy storage buffering auxiliary lifting device |
| CN114106859A (en) * | 2021-11-26 | 2022-03-01 | 武汉光谷蓝焰新能源股份有限公司 | Biomass high-efficiency pyrolysis furnace for realizing carbon heat co-production and process thereof |
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| CN207417136U (en) * | 2017-11-02 | 2018-05-29 | 白辰飞 | A kind of buffer protection device of unmanned plane |
| US20180208309A1 (en) * | 2015-07-02 | 2018-07-26 | SZ DJI Technology Co., Ltd. | Unmanned aerial vehicle, control system and method thereof, and unmanned aerial vehicle landing control method |
| CN108725756A (en) * | 2018-07-26 | 2018-11-02 | 浙江威步机器人技术有限公司 | A kind of replaceable cushioning supportive leg of unmanned plane |
| CN209112433U (en) * | 2018-08-28 | 2019-07-16 | 山东京齐智能信息科技有限公司 | A kind of unmanned plane with shock-absorbing function |
| CN209719908U (en) * | 2019-03-13 | 2019-12-03 | 金子鑫 | A kind of mapping geography information mapping unmanned plane damping undercarriage |
| CN209889097U (en) * | 2019-04-26 | 2020-01-03 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Rotor unmanned aerial vehicle undercarriage and rotor unmanned aerial vehicle |
-
2020
- 2020-01-15 CN CN202010041171.4A patent/CN111169625A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180208309A1 (en) * | 2015-07-02 | 2018-07-26 | SZ DJI Technology Co., Ltd. | Unmanned aerial vehicle, control system and method thereof, and unmanned aerial vehicle landing control method |
| CN207417136U (en) * | 2017-11-02 | 2018-05-29 | 白辰飞 | A kind of buffer protection device of unmanned plane |
| CN108725756A (en) * | 2018-07-26 | 2018-11-02 | 浙江威步机器人技术有限公司 | A kind of replaceable cushioning supportive leg of unmanned plane |
| CN209112433U (en) * | 2018-08-28 | 2019-07-16 | 山东京齐智能信息科技有限公司 | A kind of unmanned plane with shock-absorbing function |
| CN209719908U (en) * | 2019-03-13 | 2019-12-03 | 金子鑫 | A kind of mapping geography information mapping unmanned plane damping undercarriage |
| CN209889097U (en) * | 2019-04-26 | 2020-01-03 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Rotor unmanned aerial vehicle undercarriage and rotor unmanned aerial vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007274A (en) * | 2021-02-24 | 2021-06-22 | 山东钢铁股份有限公司 | Three-level energy storage buffering auxiliary lifting device |
| CN114106859A (en) * | 2021-11-26 | 2022-03-01 | 武汉光谷蓝焰新能源股份有限公司 | Biomass high-efficiency pyrolysis furnace for realizing carbon heat co-production and process thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200519 |
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| WW01 | Invention patent application withdrawn after publication |