CN209938933U - Unmanned helicopter tail boom folding device - Google Patents
Unmanned helicopter tail boom folding device Download PDFInfo
- Publication number
- CN209938933U CN209938933U CN201920449558.6U CN201920449558U CN209938933U CN 209938933 U CN209938933 U CN 209938933U CN 201920449558 U CN201920449558 U CN 201920449558U CN 209938933 U CN209938933 U CN 209938933U
- Authority
- CN
- China
- Prior art keywords
- unmanned helicopter
- transmission shaft
- helicopter tail
- folding
- tail transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 65
- 238000000151 deposition Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Abstract
The utility model provides an unmanned helicopter tail boom folding device, a serial communication port, including unmanned helicopter tail transmission shaft anterior segment, active fluted disc, unmanned helicopter tail transmission shaft sleeve anterior segment, folding staple bolt one, unmanned helicopter tail transmission shaft rear section, driven fluted disc, unmanned helicopter tail transmission shaft sleeve rear section, folding staple bolt two. The utility model has the advantages that: the utility model discloses mechanical structure is simple, convenient to use, and is with low costs, can effectively reduce unmanned helicopter size under the state of depositing, and the transportation of depositing of the middle-size and small-size unmanned helicopter of being convenient for is easily promoted.
Description
Technical Field
The utility model relates to an unmanned helicopter technical field, concretely relates to unmanned helicopter tail boom folding device.
Background
The folding purpose of the tail beam of the helicopter is to reduce the overall dimension of the whole helicopter and effectively reduce the storage and transportation space, which has important significance for the ship application of the unmanned helicopter. At present, the unmanned helicopter with the folded tail beam does not exist in China, for a certain type of unmanned helicopter, in order to reduce the area of a hangar, the tail oblique beam of the unmanned helicopter is folded by adopting an electromagnetic technology, and for the unmanned helicopter, the technology has high cost and difficulty, so that an easily-realized mechanical folding scheme for the tail beam of the helicopter is urgently needed, and the storage and transportation of small and medium-sized unmanned helicopters are facilitated.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned problem comprehensively, especially to the not enough that prior art exists, the utility model provides an unmanned helicopter tail boom folding device can solve above-mentioned problem comprehensively.
In order to achieve the above object, the utility model adopts the following technical means:
a tail beam folding device of an unmanned helicopter comprises an unmanned helicopter tail transmission shaft front section, a driving fluted disc, an unmanned helicopter tail transmission shaft sleeve front section, a folding hoop I, an unmanned helicopter tail transmission shaft rear section, a driven fluted disc, an unmanned helicopter tail transmission shaft sleeve rear section and a folding hoop II, wherein one end of the unmanned helicopter tail transmission shaft front section is sleeved in the driving fluted disc and connected with the driving fluted disc, the side part of the unmanned helicopter tail transmission shaft front section is sleeved in the unmanned helicopter tail transmission shaft sleeve front section and connected with the unmanned helicopter tail transmission shaft sleeve front section, and the folding hoop I is tightly connected with the vicinity of a folding part of the unmanned helicopter tail transmission shaft sleeve front section through screws;
one end of the rear section of the unmanned helicopter tail transmission shaft is sleeved in the driven fluted disc and connected with the driven fluted disc, the side part of the rear section of the unmanned helicopter tail transmission shaft is sleeved in the rear section of the unmanned helicopter tail transmission shaft sleeve and connected with the rear section of the unmanned helicopter tail transmission shaft sleeve, and the folding anchor ear two-way is tightly connected with the vicinity of a folding part of the rear section of the unmanned helicopter tail transmission shaft sleeve through screws;
the driving fluted disc is in transmission connection with the driven fluted disc, and the first folding anchor ear piece is connected with the second folding anchor ear piece through a bolt.
Furthermore, the front ends of the front section of the unmanned helicopter tail transmission shaft and the rear section of the unmanned helicopter tail transmission shaft are conical surfaces, the conical surface of the front section of the unmanned helicopter tail transmission shaft is matched and connected with the driving toothed disc, and the conical surface of the rear section of the unmanned helicopter tail transmission shaft is matched and connected with the driven toothed disc.
Furthermore, a thread is arranged on one side of the small end of the conical surface.
Furthermore, the front section of the tail transmission shaft of the unmanned helicopter is tightly pressed with the driving fluted disc through a locking nut, and the rear section of the tail transmission shaft of the unmanned helicopter is tightly pressed with the driven fluted disc through the locking nut.
Furthermore, the bolt on one side of the folding anchor ear piece and the folding anchor ear piece which are connected through the bolt is used as a rotating shaft when the tail beam is folded.
Furthermore, a buffer rubber pad is arranged between the first flange plate of the folded hoop and the second flange plate of the folded hoop, and the buffer rubber pad is fixed by the flange plates at two sides through four bolts.
The utility model has the advantages that: the utility model discloses mechanical structure is simple, convenient to use, and is with low costs, can effectively reduce unmanned helicopter size under the state of depositing, and the transportation of depositing of the middle-size and small-size unmanned helicopter of being convenient for is easily promoted.
Drawings
Fig. 1 is a schematic partial structural exploded view of a front section of an unmanned helicopter tail transmission shaft and a rear section of the unmanned helicopter tail transmission shaft of the present invention;
FIG. 2 is a partial schematic structural view of the front section of the tail transmission shaft of the unmanned helicopter of the present invention;
FIG. 3 is a schematic structural view of the front section of the transmission shaft sleeve of the tail of the unmanned helicopter and the first folding anchor ear;
FIG. 4 is an exploded view of the front section of the transmission shaft sleeve of the tail of the unmanned helicopter and the first folding anchor ear of the present invention;
FIG. 5 is a schematic structural view of the rear section of the transmission shaft sleeve and the folding hoop II of the unmanned helicopter of the present invention;
FIG. 6 is an exploded view of the rear section of the transmission shaft sleeve and the folding anchor ear II of the unmanned helicopter of the present invention;
FIG. 7 is a schematic view of the combined structure of the present invention;
fig. 8 is a schematic view of the structure of fig. 7A according to the present invention;
fig. 9 is an exploded view of the present invention shown in fig. 7A;
fig. 10 is a schematic view of the folded structure of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides an unmanned helicopter tail beam folding device, including unmanned helicopter tail transmission shaft anterior segment 1, drive fluted disc 2, unmanned helicopter tail transmission shaft sleeve anterior segment 3, folding staple bolt one 4, unmanned helicopter tail transmission shaft back end 5, driven fluted disc 6, unmanned helicopter tail transmission shaft sleeve back end 7, folding staple bolt two 8, unmanned helicopter tail transmission shaft anterior segment 1 is connected with drive fluted disc 2 through the cooperation of conical surface 9, simultaneously in conical surface 9 tip one side, tail transmission shaft anterior segment part has screw thread 10, compress tightly unmanned helicopter tail transmission shaft anterior segment 1 and drive fluted disc 2 through lock nut 11; the rear section 5 of the tail transmission shaft of the unmanned helicopter is connected with the driven fluted disc 6 through the matching of a conical surface 9, meanwhile, the rear section of the tail transmission shaft is partially provided with threads 10 on one side of the small end of the conical surface 9, and the rear section 5 of the tail transmission shaft of the unmanned helicopter and the driving fluted disc 6 are tightly pressed through a locking nut 11, as shown in figures 1 to 2;
the folding hoop I4 is fixedly connected with the front section 3 of the transmission shaft sleeve of the tail of the unmanned helicopter near a folding position through a screw, as shown in figures 3 to 4;
the second folding hoop 8 is fixedly connected with the rear section 7 of the transmission shaft sleeve of the tail of the unmanned helicopter near the folding position through screws, as shown in fig. 5 to 6;
the folding anchor ear I4 and the folding anchor ear II 8 are connected through bolts, and the bolt on one side is used as a rotating shaft when the tail beam is folded;
there is a cushion rubber pad 12 between folding staple bolt 4 ring flange and folding staple bolt two 8 ring flanges, cushion rubber pad 12 is fixed by the both sides ring flange through four bolts, and this rubber pad has two functions: firstly, the buffering function and the sealing function when the tail beam of the unmanned helicopter is converted between the normal working state and the folded state prevent foreign matters from entering the interior of the tail beam through the folding seam, as shown in figures 7 to 9;
in a normal working state, the front section 1 of the tail transmission shaft of the unmanned helicopter drives the driving fluted disc 2 to rotate through the tight fit of the conical surface 9, then the driving fluted disc 2 drives the driven fluted disc 6 to rotate, further the driven fluted disc 6 drives the rear section 5 of the tail transmission shaft of the unmanned helicopter to rotate through the further fit of the conical surface 9, and finally the tail rotor is driven, as shown in fig. 7;
when the folding helicopter tail driving shaft is folded, the bolts between the folding anchor ear I4 and the folding anchor ear II 8 on the same side direction of the tail rotor and the bolts between the two anchor ear flange plates are removed, at the moment, the rear section 5 of the tail driving shaft of the unmanned helicopter can rotate around the other bolt between the folding anchor ears, the driving gear plate 2 and the driven gear plate 6 which are meshed before are separated, and the rear section 5 of the tail driving shaft of the unmanned helicopter can be folded to the opposite side direction of the front tail rotor, as shown in fig. 10.
The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made in light of the above teachings, and it is not necessary or necessary to exhaustively enumerate all embodiments herein, and it is intended that all such obvious variations and modifications are within the scope of the present invention.
Claims (6)
1. A tail beam folding device of an unmanned helicopter is characterized by comprising an unmanned helicopter tail transmission shaft front section, a driving fluted disc, an unmanned helicopter tail transmission shaft sleeve front section, a folding hoop I, an unmanned helicopter tail transmission shaft rear section, a driven fluted disc, an unmanned helicopter tail transmission shaft sleeve rear section and a folding hoop II, wherein one end of the unmanned helicopter tail transmission shaft front section is sleeved in the driving fluted disc and connected with the driving fluted disc, the side part of the unmanned helicopter tail transmission shaft front section is sleeved in the unmanned helicopter tail transmission shaft sleeve front section and connected with the unmanned helicopter tail transmission shaft sleeve front section, and the folding hoop I is tightly connected with the vicinity of a folding part of the unmanned helicopter tail transmission shaft sleeve front section through a screw;
one end of the rear section of the unmanned helicopter tail transmission shaft is sleeved in the driven fluted disc and connected with the driven fluted disc, the side part of the rear section of the unmanned helicopter tail transmission shaft is sleeved in the rear section of the unmanned helicopter tail transmission shaft sleeve and connected with the rear section of the unmanned helicopter tail transmission shaft sleeve, and the folding anchor ear two-way is tightly connected with the vicinity of a folding part of the rear section of the unmanned helicopter tail transmission shaft sleeve through screws;
the driving fluted disc is in transmission connection with the driven fluted disc, and the first folding anchor ear piece is connected with the second folding anchor ear piece through a bolt.
2. The unmanned helicopter tail boom folding device of claim 1, wherein the front ends of the front section of the unmanned helicopter tail transmission shaft and the rear section of the unmanned helicopter tail transmission shaft are conical surfaces, the conical surface of the front section of the unmanned helicopter tail transmission shaft is matched and connected with the driving toothed disc, and the conical surface of the rear section of the unmanned helicopter tail transmission shaft is matched and connected with the driven toothed disc.
3. The unmanned helicopter tail boom folding apparatus of claim 2, wherein the small end side of the conical surface is provided with a thread.
4. The unmanned helicopter tail boom folding device of claim 1, wherein the front section of the unmanned helicopter tail drive shaft is pressed against the driving fluted disc by a lock nut, and the rear section of the unmanned helicopter tail drive shaft is pressed against the driven fluted disc by a lock nut.
5. The tail boom folding device for the unmanned helicopter of claim 1, wherein the bolt on one side of the folding anchor ear I and the folding anchor ear II which are connected through the bolt is used as a rotating shaft when the tail boom is folded.
6. The unmanned helicopter tail boom folding device of claim 1 or 5, wherein a cushion rubber pad is arranged between the first flange of the folding hoop and the second flange of the folding hoop, and the cushion rubber pad is fixed by the flanges at two sides through four bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449558.6U CN209938933U (en) | 2019-04-04 | 2019-04-04 | Unmanned helicopter tail boom folding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449558.6U CN209938933U (en) | 2019-04-04 | 2019-04-04 | Unmanned helicopter tail boom folding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938933U true CN209938933U (en) | 2020-01-14 |
Family
ID=69126648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920449558.6U Withdrawn - After Issue CN209938933U (en) | 2019-04-04 | 2019-04-04 | Unmanned helicopter tail boom folding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304234A (en) * | 2019-04-04 | 2019-10-08 | 浙江华奕航空科技有限公司 | A kind of unmanned helicopter tail boom folding device |
-
2019
- 2019-04-04 CN CN201920449558.6U patent/CN209938933U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304234A (en) * | 2019-04-04 | 2019-10-08 | 浙江华奕航空科技有限公司 | A kind of unmanned helicopter tail boom folding device |
| CN110304234B (en) * | 2019-04-04 | 2023-11-24 | 浙江华奕航空科技有限公司 | Unmanned helicopter tail boom folding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209938933U (en) | Unmanned helicopter tail boom folding device | |
| WO2015058662A1 (en) | Car-coupler buffer and railway car | |
| CN204452933U (en) | The many rotor wing unmanned aerial vehicles of belt-driving | |
| CN205044954U (en) | Coaxial two thick liquid hybrid gyroplane | |
| EP3211268A1 (en) | Low-profile, rotating-shaft transmission device, and associated method | |
| CN110304234B (en) | Unmanned helicopter tail boom folding device | |
| CN109606634A (en) | A kind of twin axle wingfold mechanism | |
| CN209651781U (en) | A kind of self-locking brake assembly and capstan winch | |
| CN208578953U (en) | Turnbuckle take-up | |
| US10670066B2 (en) | Adaptor for attaching a prime mover to an actuator | |
| CN208699041U (en) | A kind of unmanned plane wing that can be folded | |
| CN209627143U (en) | A kind of disc type electric machine for electric car | |
| CN203564784U (en) | Fixed-wing glider propeller anti-bump separation device and fixed-wing aircraft model | |
| CN202593290U (en) | Hydraulic pump driving device of heavy-duty mining dump vehicle | |
| CN211766280U (en) | Unmanned aerial vehicle wing folding device | |
| CN206273636U (en) | Emergency driving mechanism and the vehicle with the mechanism | |
| CN218408351U (en) | Speed reducer for climbing vehicle | |
| CN211958972U (en) | Noiseless power box | |
| CN211336080U (en) | Self-driving moving mechanism of large-scale ejection cabin | |
| CN218803133U (en) | Pure electric drive's emergency rescue device of trucd mixer facial make-up | |
| CN218400497U (en) | New forms of energy light card trades electric installation | |
| CN212073692U (en) | Protection device convenient to disassemble and assemble for new energy storage battery | |
| CN111114764B (en) | Disposable propeller conversion device of unmanned aerial vehicle | |
| CN215720367U (en) | Elastic clutch protection mechanism of transmission pair | |
| CN203743312U (en) | Transmission system for unmanned rotor wing helicopter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200114 Effective date of abandoning: 20231124 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200114 Effective date of abandoning: 20231124 |