CN220786178U - Unmanned helicopter rotor steering engine mounting structure - Google Patents
Unmanned helicopter rotor steering engine mounting structure Download PDFInfo
- Publication number
- CN220786178U CN220786178U CN202322737328.9U CN202322737328U CN220786178U CN 220786178 U CN220786178 U CN 220786178U CN 202322737328 U CN202322737328 U CN 202322737328U CN 220786178 U CN220786178 U CN 220786178U
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- frame
- steering engine
- damping
- mounting structure
- main shaft
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- 238000013016 damping Methods 0.000 claims abstract description 95
- 230000035939 shock Effects 0.000 claims description 60
- 238000010521 absorption reaction Methods 0.000 claims description 35
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses an unmanned helicopter rotor steering engine mounting structure which comprises a main shaft bearing sleeve, a steering engine, a damping frame and a damping piece, wherein the damping frame is fixedly connected with the main shaft bearing sleeve, and the damping frame is connected with the steering engine through the damping piece.
Description
Technical Field
The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned helicopter rotor steering engine mounting structure.
Background
The flying attitude of the helicopter is controlled by changing the incidence angle of a rotor wing to pitch, roll and lift the flying attitude, and the change of the incidence angle of the rotor wing is realized by driving a rotor blade rocker arm by a tilting disk arranged on a main shaft of the helicopter; at present, most unmanned helicopters complete attitude control of the unmanned helicopters by controlling a connecting rod through a servo steering engine so as to control a tilting disk, and the existing servo steering engine is rigidly connected with a main shaft bracket. For example, CN2021113586340 discloses a compound type rotary wing aircraft, the main shaft is mounted on the main shaft support through the main shaft bearing, the swashplate steering engine is mounted on the main shaft support, the swashplate steering engine is connected with the swashplate assembly arranged above the main shaft through the swashplate push-pull rod assembly, and the swashplate assembly is used for controlling the flight attitude of the aircraft.
The structure has the following defects: the vibration of the main shaft support can be directly transmitted to the servo steering engine, and the servo steering engine is easy to work in the vibration environment, so that the unmanned helicopter is out of control.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides the unmanned helicopter rotor steering engine mounting structure which is simple in structure and capable of effectively reducing the vibration of the steering engine.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides an unmanned helicopter rotor steering engine mounting structure, includes main shaft bearing sleeve and steering engine, its characterized in that: the damping device also comprises a damping frame and a damping piece, wherein the damping frame is fixedly connected with the main shaft bearing sleeve, and the damping frame is connected with the steering engine through the damping piece;
Through setting up the shock attenuation piece, the vibrations of main shaft bearing sleeve are at the in-process to the steering wheel transmission, and vibrations can be weakened by the shock attenuation piece to play the effect of protection steering wheel.
The middle part of the damping frame is provided with a damping frame opening, and the damping frame is fixedly sleeved outside a main shaft bearing sleeve through the damping frame opening; the fixing of a plurality of steering gears is convenient.
The damping frame is in interference fit with the main shaft bearing sleeve.
The utility model also comprises a rudder frame, wherein the shock absorption frame is connected with the steering engine frame through a shock absorption piece, and the steering engine is connected with the steering engine frame; through setting up rudder frame, guarantee that steering wheel is fixed effectual.
The middle part of the steering engine frame is provided with a steering engine frame opening, and the steering engine frame is sleeved outside a main shaft bearing seat sleeve through the steering engine frame opening; the fixing of a plurality of steering gears is convenient.
The damping piece adopts a rubber damping column, the rubber damping column comprises a bolt sleeve for a bolt to pass through, the outer periphery of the upper end of the bolt sleeve extends outwards to form an upper boss, and the outer periphery of the lower end of the bolt sleeve extends outwards to form a lower boss;
the damping frame is provided with a damping column perforation, the middle part of the bolt sleeve is inserted into the damping column perforation, the upper boss and the lower boss respectively contact with the damping frame, and the bolt passes through the bolt sleeve to be in threaded connection with the steering engine frame; the shock absorption is realized by arranging the rubber shock absorption column.
The damping part adopts the rubber damping pad, the rubber damping pad is arranged between the damping frame and the steering engine frame, the damping frame and the rubber damping pad are respectively provided with a through hole for a bolt to pass through, and the bolts pass through the through holes on the damping frame and the rubber damping pad and are in threaded connection with the steering engine frame; the shock absorption is realized by arranging the rubber shock pad.
The damping frame comprises an upper damping frame and a lower damping frame, wherein the upper damping frame and the lower damping frame are fixedly sleeved outside a main shaft bearing sleeve; further guaranteeing the stability of steering wheel.
The steering engine frame comprises an upper steering engine frame and a lower steering engine frame, wherein the upper steering engine frame and the lower steering engine frame are sleeved outside a main shaft bearing seat sleeve, the upper steering engine frame is connected with an upper damping frame through a damping piece, and the lower steering engine frame is connected with a lower damping frame through a damping piece; further guarantee the fixed stability of steering wheel.
The damping parts are arranged at intervals; so as to ensure good shock absorption effect.
The beneficial effects of the utility model are as follows: by arranging the damping piece, the vibration of the main shaft bearing sleeve is weakened by the damping piece in the process of transmitting the vibration to the steering engine, so that the steering engine is protected; through setting up rudder frame, guarantee that steering wheel is fixed effectual.
Drawings
FIG. 1 is a schematic view of the mounting bracket structure of the present utility model.
Fig. 2 is an exploded view of the mounting bracket of the present utility model.
Reference numerals: the device comprises a main shaft bearing sleeve-1, an upper steering engine frame-201, a lower steering engine frame-202, an upper damping frame-301, a lower damping frame-302, a damping column perforation-4, a steering engine-5, a rubber damping column-6, an upper boss-601, a bolt sleeve-602, a lower boss-603 and a bolt-7.
Detailed Description
The utility model is described below with reference to the drawings and examples.
As shown in the attached drawing, the unmanned helicopter rotor steering engine mounting structure comprises a main shaft bearing sleeve 1, a steering engine 5, a damping frame and a damping piece, wherein the damping frame is fixedly connected with the main shaft bearing sleeve 1, and the damping frame is connected with the steering engine 5 through the damping piece;
Through setting up the shock attenuation piece, the vibrations of main shaft bearing sleeve 1 are at the in-process to steering wheel transmission, and vibrations can be weakened by the shock attenuation piece to play the effect of protection steering wheel 5.
The middle part of the shock absorption frame is provided with a shock absorption frame opening, and the shock absorption frame is fixedly sleeved outside the main shaft bearing sleeve 1 through the shock absorption frame opening; the fixing of a plurality of steering engines 5 is facilitated.
In this embodiment, the shock-absorbing frame is in interference fit with the spindle bearing sleeve 1, and the fixation mode of the shock-absorbing frame and the spindle bearing sleeve 1 is not limited to interference fit, but can be realized through bolts, welding and the like.
The embodiment also comprises a rudder frame, wherein the shock absorption frame is connected with the steering engine frame through a shock absorption piece, and the steering engine 5 is connected with the steering engine frame; through setting up rudder frame, guarantee that steering wheel is fixed effectual.
A rudder rack opening is formed in the middle of the steering engine rack, and the steering engine rack is sleeved outside the main shaft bearing sleeve 1 through the steering engine rack opening; the fixing of a plurality of steering gears is convenient. In this embodiment the rudder mount opening is not in contact with the spindle bearing sleeve to avoid that vibrations of the spindle bearing sleeve 1 are directly transferred to the rudder mount.
The damping piece adopts a rubber damping column 6, the rubber damping column 6 comprises a bolt sleeve 602 for a bolt to pass through, the outer periphery of the upper end of the bolt sleeve 602 extends outwards to form an upper boss 601, and the outer periphery of the lower end extends outwards to form a lower boss 603;
A plurality of shock column perforations 4 are arranged on the shock absorption frame at intervals along the circumferential direction, rubber shock columns 6 are inserted into each shock column perforation 4, the middle part of a bolt sleeve 602 is inserted into the shock column perforation 4, an upper boss 601 and a lower boss 603 respectively contact with the shock absorption frame, and a bolt 7 passes through the bolt sleeve 602 to be in threaded connection with the steering engine frame; damping is achieved by the provision of rubber shock-absorbing columns 6.
The shock absorbing frame in this embodiment includes an upper shock absorbing frame 301 and a lower shock absorbing frame 302, the upper shock absorbing frame 301 and the lower shock absorbing frame 302 are fixedly sleeved outside the main shaft bearing sleeve 1, and a plurality of shock absorbing column perforations 4 are circumferentially spaced apart from each other on the upper shock absorbing frame 301 and the lower shock absorbing frame 302.
The steering engine frame comprises an upper steering engine frame 201 and a lower steering engine frame 202, the upper steering engine frame 201 and the lower steering engine frame 202 are sleeved outside the main shaft bearing sleeve 1, the upper steering engine frame 201 is connected with an upper shock absorption frame 301 through shock absorption members, and the lower steering engine frame 202 is connected with a lower shock absorption frame 302 through shock absorption members; further guarantee the fixed stability of steering wheel.
In this embodiment, threaded holes are formed in the upper rudder frame 201 and the lower rudder frame 202 at intervals along the circumferential direction, the positions of the threaded holes are matched with the through holes 4 of the shock absorption columns, the upper shock absorption frame 301 is arranged at the upper end of the upper rudder frame 201, the lower shock absorption frame 302 is arranged at the lower end of the lower rudder frame 202, when the upper shock absorption frame 301 is in bolt connection with the upper rudder frame 201, bolts penetrate through bolt sleeves to be in threaded connection with the threaded holes of the upper rudder frame, the lower surface of an upper boss 601 of the upper rubber shock absorption column is in contact with the upper surface of the upper shock absorption frame 301, the upper surface of a lower boss 603 is in contact with the lower surface of the upper shock absorption frame 301, and the lower surface of the lower boss 603 is in contact with the upper surface of the upper rudder frame 201; when the lower shock absorber frame 302 is connected with the lower steering engine frame 202 through bolts, the bolts penetrate through the bolt sleeves to be in threaded connection with threaded holes of the lower steering engine frame, the upper surface of an upper boss 601 of a rubber shock absorber column below is in contact with the lower surface of the lower steering engine frame 202, the lower surface of the upper boss 601 is in contact with the upper surface of the lower shock absorber frame 302, and the upper surface of a lower boss 603 is in contact with the lower surface of the lower shock absorber frame 302.
The steering engine 5 is provided with a plurality of steering engines, and is arranged between the upper steering engine frame 201 and the lower steering engine frame 202, in the embodiment, the upper end of the steering engine 5 is connected with the upper steering engine frame 201 through a bolt 7, and the lower end is connected with the lower steering engine frame 202 through the bolt 7; the stability of the steering engine 5 fixation is ensured.
In this embodiment, the damping member adopts the rubber damping column 6, not only is limited to this, but also other structures can be adopted for the damping member, for example, the damping member adopts a rubber damping pad, the rubber damping pad is arranged between the damping frame and the steering engine frame, the damping frame and the rubber damping pad are provided with through holes for the bolts 7 to pass through, and the bolts 7 pass through the damping frame and the through holes on the rubber damping pad and are in threaded connection with the steering engine frame; the shock absorption is realized by arranging the rubber shock pad.
The utility model is assembled by the following steps:
1. the main shaft passes through the main shaft bearing sleeve 1 and is connected with the main shaft bearing sleeve 1 through a bearing;
2. The upper steering engine frame 201 and the lower steering engine frame 202 are sleeved outside the main shaft bearing sleeve 1, and the inner rings of the upper steering engine frame 201 and the lower steering engine frame 202 are not contacted with the main shaft bearing sleeve 1;
3. The upper shock absorber 301 and the lower shock absorber 302 are sleeved outside the main shaft bearing sleeve 1 in an interference manner;
4. the rubber shock absorption column 6 is inserted into the shock absorption column perforation 4, the upper shock absorption frame 301 is in threaded connection with the upper steering engine frame 201 through the bolt 7 passing through the bolt sleeve 602, and the lower shock absorption frame 302 is in threaded connection with the lower steering engine frame 202 through the bolt 7 passing through the bolt sleeve 602;
5. the steering engine 5 is arranged between the upper steering engine frame 201 and the lower steering engine frame 202 and is arranged along the periphery of the main shaft bearing sleeve 1 at intervals, the upper end of the steering engine 5 is in threaded connection with the upper steering engine frame 201 through bolts, and the lower end of the steering engine 5 is in threaded connection with the lower steering engine frame 202 through bolts.
Claims (10)
1. The utility model provides an unmanned helicopter rotor steering engine mounting structure, includes main shaft bearing sleeve and steering engine, its characterized in that: the steering engine is characterized by further comprising a shock absorption frame and a shock absorption piece, wherein the shock absorption frame is fixedly connected with the main shaft bearing sleeve, and the shock absorption frame is connected with the steering engine through the shock absorption piece.
2. The unmanned helicopter rotor steering engine mounting structure of claim 1, wherein: the damping frame is characterized in that a damping frame opening is formed in the middle of the damping frame, and the damping frame is fixedly sleeved outside the main shaft bearing sleeve through the damping frame opening.
3. The unmanned helicopter rotor steering engine mounting structure of claim 2, wherein: the shock absorber frame is in interference fit with the main shaft bearing sleeve.
4. An unmanned helicopter rotor steering engine mounting structure according to claim 1,2 or 3, wherein: the steering engine further comprises a steering engine frame, the damping frame is connected with the steering engine frame through a damping piece, and the steering engine is connected with the steering engine frame.
5. The unmanned helicopter rotor steering engine mounting structure of claim 4, wherein: the steering engine frame is sleeved outside the main shaft bearing seat sleeve through the steering engine frame opening.
6. The unmanned helicopter rotor steering engine mounting structure of claim 5, wherein: the damping piece adopts a rubber damping column, the rubber damping column comprises a bolt sleeve for a bolt to pass through, the outer periphery of the upper end of the bolt sleeve extends outwards to form an upper boss, and the outer periphery of the lower end of the bolt sleeve extends outwards to form a lower boss;
The shock-absorbing support is provided with a shock-absorbing column perforation, the middle of the bolt sleeve is inserted into the shock-absorbing column perforation, the upper boss and the lower boss are respectively abutted against the shock-absorbing support, and the bolt penetrates through the bolt sleeve to be in threaded connection with the steering engine support.
7. The unmanned helicopter rotor steering engine mounting structure of claim 5, wherein: the damping piece adopts a rubber damping pad, the rubber damping pad is arranged between the damping frame and the steering engine frame, the damping frame and the rubber damping pad are respectively provided with a perforation for a bolt to pass through, and the bolts pass through the damping frame and the perforations on the rubber damping pad to be in threaded connection with the steering engine frame.
8. An unmanned helicopter rotor steering engine mounting structure according to claim 5,6 or 7, wherein: the damping frame comprises an upper damping frame and a lower damping frame, and the upper damping frame and the lower damping frame are fixedly sleeved outside the main shaft bearing sleeve.
9. The unmanned helicopter rotor steering engine mounting structure of claim 8, wherein: the steering engine frame comprises an upper steering engine frame and a lower steering engine frame, wherein the upper steering engine frame and the lower steering engine frame are sleeved outside a main shaft bearing seat sleeve, the upper steering engine frame is connected with an upper damping frame through a damping piece, and the lower steering engine frame is connected with a lower damping frame through a damping piece.
10. An unmanned helicopter rotor steering engine mounting structure according to claim 1 or 2 or 3 or 5 or 6 or 7 or 9, wherein: the damping parts are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737328.9U CN220786178U (en) | 2023-10-12 | 2023-10-12 | Unmanned helicopter rotor steering engine mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737328.9U CN220786178U (en) | 2023-10-12 | 2023-10-12 | Unmanned helicopter rotor steering engine mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220786178U true CN220786178U (en) | 2024-04-16 |
Family
ID=90661946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322737328.9U Active CN220786178U (en) | 2023-10-12 | 2023-10-12 | Unmanned helicopter rotor steering engine mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220786178U (en) |
-
2023
- 2023-10-12 CN CN202322737328.9U patent/CN220786178U/en active Active
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