CN212276678U - Aircraft propeller bearing structure - Google Patents
Aircraft propeller bearing structure Download PDFInfo
- Publication number
- CN212276678U CN212276678U CN202021074076.6U CN202021074076U CN212276678U CN 212276678 U CN212276678 U CN 212276678U CN 202021074076 U CN202021074076 U CN 202021074076U CN 212276678 U CN212276678 U CN 212276678U
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- propeller
- aircraft
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- bearing
- support frame
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Abstract
The utility model discloses an aircraft screw bearing structure. The aircraft propeller support comprises a bottom plate and a front support frame and a rear support frame which are arranged on the bottom plate side by side, wherein the upper part of the front support frame is provided with a front support plate of a bearing seat, the upper part of the rear support frame is provided with a rear support plate of the bearing seat, central holes of the front support plate of the bearing seat and the rear support plate of the bearing seat are respectively provided with a bearing for supporting the rotation of a propeller shaft of an aircraft propeller, and the propeller shaft of the aircraft propeller is supported on the front support plate of the. After adopting foretell structure, not only the placing means is simple easily to be operated, can make the rotatory rotation that simulates aircraft screw actual condition of aircraft screw in addition, especially has utilized the special position of the propeller hub of balanced balancing weight and aircraft screw ingeniously, has still guaranteed stability and reliability in the operation process, is convenient for aviation colleges and universities and maintenance company's teaching practice and static show.
Description
Technical Field
The utility model relates to an aircraft screw auxiliary device, specifically speaking are aircraft screw bearing structure.
Background
The retired aircraft is purchased by a plurality of aviation colleges and maintenance companies at present for teaching practice and static display, the aircraft propeller is one of the aircraft propellers, the propeller blades generally comprise four blades, the propeller blades are arranged on a propeller hub, the distance between two propeller tips can reach 3.5 meters, in order to enable the propeller structure to simulate the rotating motion of the actual working condition and ensure the stability in the operation process, the placing requirement is generally required to be met, in the existing design, the propeller-mounted propeller hub is usually placed on the flat ground or welded on a fixing plate aiming at the display of the propeller, the existing placing mode is simple, but for the large-size propeller blade of the aircraft, the space is very occupied, the mass of the propeller blade and the propeller hub is very large, the rotation of the actual working condition cannot be simulated, and the aim of training and teaching cannot be achieved.
Disclosure of Invention
The utility model aims to solve the problem that a can realize that the aircraft screw is stable with the reliable operation to be convenient for teaching practice and static show's aircraft screw bearing structure is provided.
In order to solve the technical problem, the utility model discloses an aircraft screw bearing structure, preceding support frame and the back support frame that sets up side by side on bottom plate and the bottom plate, backup pad before the bearing frame is installed on the upper portion of preceding support frame, backup pad behind the bearing frame is installed on the upper portion of back support frame, and the central hole department of backup pad installs the rotatory bearing of propeller shaft that is used for supporting aircraft screw respectively behind backup pad and the bearing frame before the bearing frame, the propeller shaft of aircraft screw support through two bearings support before the bearing frame backup pad with on the backup pad behind the bearing frame.
And the propeller shaft of the airplane propeller is supported and installed through the front supporting plate of the bearing seat and the rear supporting plate of the bearing seat, and the longitudinal installation position of the hub of the airplane propeller is located at the center position of the bottom plate.
An inclined support frame is arranged between the rear support frame and the bottom plate.
And a balancing weight block positioned between the inclined support frame and the rear support frame is arranged on the bottom plate.
The bottom of the bottom plate is provided with a bottom frame.
And the bottom of the bottom frame is provided with rollers.
After adopting foretell structure, because the preceding support frame and the back support frame that have backup pad before the bearing frame and backup pad behind the bearing frame that set up on the base and the balancing weight that sets up on the base, the vertical mounted position of propeller hub is the central point of bottom plate and puts, the propeller shaft passes backup pad before the bearing frame and backup pad behind the bearing frame in proper order, utilize the support frame to support the back to the aircraft screw from this, not only the placing means is simple easy to operate, and can make the rotatory rotation that simulates aircraft screw actual operating mode of aircraft screw of the dynamic rotation, in addition, especially, the special position of the propeller hub of balanced balancing weight and aircraft screw has been utilized ingeniously, stability and reliability in the operation process have still been guaranteed, be convenient for aeronautical colleges and universities and maintenance company.
Drawings
Fig. 1 is a structural schematic diagram of a use state of the support structure of the aircraft propeller of the present invention;
fig. 2 is a schematic view of the three-dimensional structure of the support structure of the aircraft propeller of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
As shown in the figure, the aircraft propeller needing teaching practice and static display support comprises 4 propeller blades, a hub at the front end center of the 4 propeller blades and a propeller shaft at the center of a mounting seat of the 4 propeller blades, the aircraft propeller supporting structure of the utility model comprises a bottom plate 1, a front support frame 2 and a rear support frame 3 which are arranged on the bottom plate side by side, an inclined support frame 8 is arranged between the rear support frame 3 and the bottom plate 1, in order to increase the stability of the support, a bottom frame 10 can be arranged at the bottom of the bottom plate 1, a front support frame 4 is arranged at the upper part of the front support frame 2, a rear support frame 5 is arranged at the upper part of the rear support frame 3, bearings for supporting the rotation of the propeller shaft 6 of the aircraft propeller are respectively arranged at the central holes of the front support frame 4 and the rear support frame 5, and the propeller shaft sequentially passes through two bearings at the centers of, the propeller shaft 6 of the airplane propeller is supported on the front supporting plate and the rear supporting plate of the bearing seat through two bearings, the longitudinal installation position of the hub 7 of the airplane propeller is located at the central position of the bottom plate, the distance between the tip of the installed propeller blade and the bottom plate is 5-8cm, and the bottom plate 1 is provided with the balancing weight 9 located between the inclined supporting frame and the rear supporting frame, so that the balancing effect is achieved by ingeniously utilizing the special positions of the balancing weight 9 and the hub 7 of the airplane propeller.
For the installation of backup pad before the bearing frame and backup pad behind the bearing frame, the backup pad is installed on the upper portion before the support frame before the bearing frame, and the backup pad is installed on the upper portion after the back of support frame behind the bearing frame, and the bearing diagonal frame sets up to two, and two bearing diagonal frames are installed in the oblique rear of support frame behind, and backup pad is solid construction before the bearing frame and behind the bearing frame, has guaranteed bearing structure's stability and joint strength.
Further, in order to facilitate the moving and fixing of the fixed point, four rollers 11 may be disposed at the bottom of the chassis 10, and the four rollers may further have locking mechanisms for locking the rollers, respectively.
When the propeller is used, the propeller blades, the propeller hub and the propeller shaft are sequentially installed, the propeller shaft sequentially penetrates through the front supporting plate of the bearing seat and the rear supporting plate of the bearing seat, bearings are installed at the central holes of the front supporting plate of the bearing seat and the rear supporting plate of the bearing seat and are used for supporting the rotation of the propeller shaft, at the moment, the longitudinal installation position of the propeller hub is the central position of the bottom plate, and the distance between the tip of the installed propeller blade and the bottom plate is 5-8 cm.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (6)
1. An aircraft propeller support structure characterized by: front support frame (2) and back support frame (3) that set up side by side on bottom plate (1) and the bottom plate, backup pad (4) before the bearing frame is installed on the upper portion of front support frame (2), backup pad (5) behind the bearing frame is installed on the upper portion of back support frame (3), backup pad (4) before the bearing frame with the bearing frame is installed respectively in the centre bore department of backup pad (5) behind the bearing frame and is used for supporting the rotatory bearing of oar axle (6) of aircraft screw, oar axle (6) of aircraft screw support before the bearing frame through two bearings support with on the backup pad behind the bearing frame.
2. The aircraft propeller support structure of claim 1, wherein: and a propeller shaft (6) of the airplane propeller is supported and installed through a front supporting plate (4) of the bearing seat and a rear supporting plate (5) of the bearing seat, and the longitudinal installation position of a propeller hub (7) of the airplane propeller is located at the center position of the bottom plate.
3. An aircraft propeller support structure according to claim 1 or 2, wherein: an inclined support frame (8) is arranged between the rear support frame (3) and the bottom plate (1).
4. The aircraft propeller support structure of claim 3, wherein: and a balancing weight block (9) positioned between the inclined support frame and the rear support frame is arranged on the bottom plate (1).
5. An aircraft propeller support structure according to claim 1, 2 or 4, wherein: the bottom of the bottom plate (1) is provided with a bottom frame (10).
6. The aircraft propeller support structure of claim 5, wherein: the bottom of the bottom frame (10) is provided with rollers (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021074076.6U CN212276678U (en) | 2020-06-11 | 2020-06-11 | Aircraft propeller bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021074076.6U CN212276678U (en) | 2020-06-11 | 2020-06-11 | Aircraft propeller bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212276678U true CN212276678U (en) | 2021-01-01 |
Family
ID=73882700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021074076.6U Active CN212276678U (en) | 2020-06-11 | 2020-06-11 | Aircraft propeller bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212276678U (en) |
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2020
- 2020-06-11 CN CN202021074076.6U patent/CN212276678U/en active Active
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