CN220905360U - Tail pushing paddle anti-slip structure - Google Patents
Tail pushing paddle anti-slip structure Download PDFInfo
- Publication number
- CN220905360U CN220905360U CN202322465308.0U CN202322465308U CN220905360U CN 220905360 U CN220905360 U CN 220905360U CN 202322465308 U CN202322465308 U CN 202322465308U CN 220905360 U CN220905360 U CN 220905360U
- Authority
- CN
- China
- Prior art keywords
- tail
- rotor motor
- rotor
- main shaft
- nut
- 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.)
- Active
Links
- 230000002265 prevention Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a slip-preventing structure of a tail pushing paddle, which comprises the following components: the rotor motor is fixed at the tail of the machine body, the tail pushing propeller is sleeved on the main shaft of the rotor motor, a nut for locking the tail pushing propeller is connected with the end part of the main shaft of the rotor motor in a threaded manner, and an anti-slip structure for limiting the tail pushing propeller to rotate relative to the main shaft of the rotor motor is arranged between the tail pushing propeller and the rotor end cover of the rotor motor. The beneficial effects are as follows: set up the anti-skidding structure that restriction tail push away the relative rotor motor's of tail push away between the rotor end cover of rotor motor and rotate, even the nut exists not hard up for a short time, the condition that skidding still can not appear between tail push away the main shaft of rotor motor, rotor motor still can drive tail push away the oar and rotate to eliminate this potential safety hazard temporarily, ensure unmanned aerial vehicle and continue steady flight.
Description
Technical Field
The utility model relates to the field of unmanned aerial vehicles, in particular to a tail pushing paddle anti-slip structure.
Background
The fixed wing unmanned aerial vehicle can vertically take off and vertically land in situ without a runway, has long endurance time and large movable radius, and is mainly applied to dry traffic supervision, oil pipeline inspection, mapping, forest inspection and the like. In a traditional fixed wing unmanned plane, a tail pushing propeller and a rotor motor are locked through a screw cap, the screw cap is loosened in the flying process, and after the screw cap is loosened, the tail pushing propeller cannot be locked, so that slipping occurs between a main shaft of the rotor motor and the tail pushing propeller, and potential safety hazards exist.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a tail pushing propeller anti-slip structure so as to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a tail rotor slip-resistant structure comprising: the rotor motor is fixed at the tail of the machine body, the tail pushing propeller is sleeved on the main shaft of the rotor motor, a nut for locking the tail pushing propeller is connected with the end part of the main shaft of the rotor motor in a threaded manner, and an anti-slip structure for limiting the tail pushing propeller to rotate relative to the main shaft of the rotor motor is arranged between the tail pushing propeller and the rotor end cover of the rotor motor.
The beneficial effects of the utility model are as follows: set up the anti-skidding structure that restriction tail push away the relative rotor motor's of tail push away between the rotor end cover of rotor motor and rotate, even the nut exists not hard up for a short time, the condition that skidding still can not appear between tail push away the main shaft of rotor motor, rotor motor still can drive tail push away the oar and rotate to eliminate this potential safety hazard temporarily, ensure unmanned aerial vehicle and continue steady flight.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the anti-slip structure includes: the pin is fixed on the rotor end cover of the rotor motor, and the locating hole is correspondingly arranged on the tail pushing paddle, and the pin is correspondingly inserted in the locating hole.
The adoption of the method has the further beneficial effects that: the pin on rotor end cover of rotor motor and the locating hole on the tail push paddle pass through socket joint cooperation, can restrict the tail push paddle and rotate relative rotor motor's main shaft to avoid appearing the condition of skidding between tail push paddle and rotor motor's the main shaft, this simple structure, stability is good.
Further, the number of the pins is two, and the two pins are distributed on a rotor end cover of the rotor motor at an angle of 180 degrees; the tail pushing paddle is provided with two positioning holes, and the two positioning holes are in one-to-one correspondence with the two pins.
The adoption of the method has the further beneficial effects that: the anti-slip effect is better, and the stress of the tail pushing propeller is more uniform, so that the service life of the tail pushing propeller is not influenced, and the dynamic balance of the tail pushing propeller is not influenced.
Further, one end of the nut is provided with a blind hole, the inner wall of the blind hole is provided with an internal thread, the blind hole is in threaded connection with the spindle of the rotor motor, the other end of the nut is provided with a countersunk hole communicated with the blind hole, and a screw in threaded connection with the spindle of the rotor motor is arranged in the countersunk hole.
The adoption of the method has the further beneficial effects that: the adoption of double locking can avoid the tail pushing oar to rotate relative to the main shaft of the rotor motor, and the safety is higher.
Further, the external threads on the screw are counter-rotating to the external threads on the spindle of the rotorcraft.
The adoption of the method has the further beneficial effects that: the self-locking is formed, so that the looseness of a nut can be avoided, and further, the tail pushing propeller can be prevented from rotating relative to a main shaft of the rotor motor.
Further, a plurality of through holes communicated with the blind holes are formed in the outer peripheral surface of the nut.
Drawings
FIG. 1 is a block diagram of a tail rotor anti-slip structure according to the present utility model;
FIG. 2 is a cross-sectional view of the anti-slip structure of the tail rotor of the present utility model;
FIG. 3 is a diagram showing the structure of the anti-slip structure of the tail rotor after the tail rotor is removed;
fig. 4 is a structural diagram of the tail rotor according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. Rotor motor 110, main shaft, 2, tail push paddle, 3, nut, 310, blind hole, 320, countersunk head hole, 330, through-hole, 4, pin, 5, locating hole, 6, screw.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
As shown in fig. 1 to 4, a tail rotor slip prevention structure includes: fix the rotor motor 1 at the fuselage afterbody, the cover is equipped with tail push oar 2 on rotor motor 1's main shaft 110, rotor motor 1's main shaft 110 tip threaded connection has the nut 3 that locks tail push oar 2 on rotor motor 1's main shaft 110, be equipped with the antiskid structure that restriction tail push oar 2 rotated relative rotor motor 1's main shaft 110 between tail push oar 2 and rotor motor 1's the rotor end cover, even nut 3 exists not hard up for a short time, the condition that skidding also can not appear between tail push oar 2 and rotor motor 1's main shaft 110, rotor motor 1 still can drive tail push oar 2 and rotate, in order to temporarily eliminate this potential safety hazard, ensure unmanned aerial vehicle and continue steady flight.
Example 2
As shown in fig. 3 and 4, this embodiment is a further improvement of the embodiment 1, and specifically includes the following steps:
The antiskid structure comprises: the pin 4 fixed on the rotor end cover of the rotor motor 1 and the positioning hole 5 correspondingly arranged on the tail rotor 2 are not excluded, of course, the scheme is reversely implemented, the pin 4 is correspondingly inserted in the positioning hole 5, the pin 4 on the rotor end cover of the rotor motor 1 is matched with the positioning hole 5 on the tail rotor 2 through socket joint, and the tail rotor 2 can be limited to rotate relative to the main shaft 110 of the rotor motor 1;
the rotor end cover of the rotor motor 1 is provided with a mounting hole, and the pin 4 is mounted in the mounting hole on the rotor end cover in an interference fit manner.
In general, the number of pins 4 is two, and two pins 4 are distributed on the rotor end cover of the rotor motor 1 at an angle of 180 degrees, and the number of locating holes 5 on the tail propeller 2 is also two, and two locating holes 5 are also distributed on the tail propeller 2 at an angle of 180 degrees, and two locating holes 5 are in one-to-one correspondence with two pins 4, namely, two pins 4 are respectively inserted in two locating holes 5, so that the anti-slip effect is better, and the stress of the tail propeller 2 is more uniform, thereby not affecting the service life of the tail propeller and the dynamic balance of the tail propeller 2.
Example 3
As shown in fig. 2 and 3, this embodiment is a further improvement of the embodiment 1 or 2, and is specifically as follows:
One end of the nut 3 is provided with a blind hole 310, the inner wall of the blind hole 310 is provided with an internal thread, the outer peripheral surface of the main shaft 110 of the rotor motor 1 is provided with an external thread, the blind hole 310 is in threaded connection with the main shaft 110 of the rotor motor 1, the other end of the nut 3 is provided with a countersunk head hole 320 communicated with the blind hole 310, the end part of the main shaft 110 of the rotor motor 1 is provided with a threaded hole along the axial direction of the end part, the countersunk head hole 320 is internally provided with a screw 6 in threaded connection with the threaded hole on the main shaft 110 of the rotor motor 1, and the tail rotor 2 can be prevented from rotating relative to the main shaft 110 of the rotor motor 1 by double locking, so that the safety is higher.
Example 4
As shown in fig. 1 and 2, this embodiment is a further improvement of the embodiment 3, and specifically includes the following steps:
The external thread on the screw 6 is opposite to the external thread on the main shaft 110 of the rotor motor 1 in rotation direction, so that self-locking is formed, loosening of the nut 3 can be avoided, and further, rotation of the tail rotor 2 relative to the main shaft 110 of the rotor motor 1 can be avoided.
Example 5
As shown in fig. 1 and 2, this embodiment is a further improvement of the embodiment 3 or 4, and is specifically as follows:
The outer circumferential surface of the nut 3 is provided with a plurality of through holes 330 communicating with the blind holes 310.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (6)
1. The utility model provides a tail pushing paddle antiskid structure that skids which characterized in that includes: fix rotor motor (1) at the fuselage afterbody, the cover is equipped with tail push paddle (2) on main shaft (110) of rotor motor (1), main shaft (110) tip threaded connection of rotor motor (1) have will nut (3) that tail push paddle (2) lock, tail push paddle (2) with be equipped with between rotor end cover of rotor motor (1) and restrict tail push paddle (2) main shaft (110) of rotor motor (1) and carry out rotatory anti-skidding structure.
2. The tail rotor slip prevention structure according to claim 1, wherein the slip prevention structure comprises: the rotor end cover of the rotor motor (1) is fixed with the pin (4) and the locating hole (5) is correspondingly arranged on the tail pushing propeller (2), and the pin (4) is correspondingly inserted in the locating hole (5).
3. The tail rotor anti-slip structure according to claim 2, wherein the number of pins (4) is two, and the two pins (4) are distributed on the rotor end cover of the rotor motor (1) at an angle of 180 °; the tail pushing paddle (2) is provided with two positioning holes (5), and the two positioning holes (5) are in one-to-one correspondence with the two pins (4).
4. The anti-slip structure of the tail rotor according to claim 1, wherein one end of the nut (3) is provided with a blind hole (310), the inner wall of the blind hole (310) is provided with an internal thread, the blind hole (310) is in threaded connection with the main shaft (110) of the rotor motor (1), the other end of the nut (3) is provided with a countersunk hole (320) communicated with the blind hole (310), and a screw (6) in threaded connection with the main shaft of the rotor motor (1) is arranged in the countersunk hole (320).
5. The anti-slip structure of the tail rotor according to claim 4, characterized in that the external threads on the screw (6) are in the opposite direction to the external threads on the main shaft (110) of the rotor motor (1).
6. The slip preventing structure of the tail rotor as recited in claim 4, wherein a plurality of through holes (330) communicating with the blind holes (310) are provided on the outer circumferential surface of the nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322465308.0U CN220905360U (en) | 2023-09-08 | 2023-09-08 | Tail pushing paddle anti-slip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322465308.0U CN220905360U (en) | 2023-09-08 | 2023-09-08 | Tail pushing paddle anti-slip structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220905360U true CN220905360U (en) | 2024-05-07 |
Family
ID=90908369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322465308.0U Active CN220905360U (en) | 2023-09-08 | 2023-09-08 | Tail pushing paddle anti-slip structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220905360U (en) |
-
2023
- 2023-09-08 CN CN202322465308.0U patent/CN220905360U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9475576B2 (en) | Flexbeam rotor attachment to rotor blade | |
| CN220905360U (en) | Tail pushing paddle anti-slip structure | |
| US10604246B2 (en) | Rotorcraft rotor assemblies | |
| CN103640689A (en) | All-moving control surface installation structure of airplane | |
| US11352128B2 (en) | Nut locking assembly | |
| US9725166B2 (en) | Counter-rotating rotor system with static mast | |
| CN209833994U (en) | Novel VTOL unmanned aerial vehicle of hookup wing configuration | |
| CN101962078B (en) | Aircraft propeller vector engine | |
| US11155355B2 (en) | Mounting assembly | |
| CN207157506U (en) | A kind of brake machine wheel for unmanned aerial vehicle | |
| CN107310721A (en) | A kind of depopulated helicopter rotor oar clamp mechanism | |
| CN211000802U (en) | Flying automobile | |
| CN103821846A (en) | Small aircraft braking system | |
| CN112623182B (en) | Wing body connection structure and contain wing body connection structure's unmanned aerial vehicle | |
| CN207106880U (en) | A kind of depopulated helicopter rotor oar clamp mechanism | |
| CN209441631U (en) | Rotor machine braking device | |
| CN212047873U (en) | Flying wing type rotary wing aircraft | |
| CN110789281A (en) | Flying automobile | |
| US2509096A (en) | Hub mounting for propellers on roadable airplanes | |
| CN111717373B (en) | Unmanned aerial vehicle undercarriage rotating shaft mounting structure and mounting method | |
| CN220448175U (en) | Unmanned aerial vehicle motor convenient to undercarriage is packed up fast and is expanded | |
| CN216301446U (en) | Flange connecting piece suitable for unmanned aerial vehicle | |
| CN207000820U (en) | A kind of centrifugal flapping hinge rotor head | |
| CN212473894U (en) | A perpendicular folding mechanism for rotor unmanned aerial vehicle paddle | |
| US20230071768A1 (en) | Aircraft landing gear assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |