CN211844897U - Unmanned helicopter propeller hub and unmanned helicopter - Google Patents
Unmanned helicopter propeller hub and unmanned helicopter Download PDFInfo
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- CN211844897U CN211844897U CN201922140886.0U CN201922140886U CN211844897U CN 211844897 U CN211844897 U CN 211844897U CN 201922140886 U CN201922140886 U CN 201922140886U CN 211844897 U CN211844897 U CN 211844897U
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Abstract
The utility model discloses an unmanned helicopter hub and unmanned helicopter, this hub include interior main shaft, outer main shaft, go up T shape components of a whole that can function independently hub, lower T shape components of a whole that can function independently hub, upward wave rubber and wave rubber down. The upper T-shaped split hub and the upper flapping rubber are arranged on the inner main shaft, and the lower T-shaped split hub and the lower flapping rubber are arranged on the outer main shaft; the inner main shaft and the outer main shaft are respectively provided with two boss mounting surfaces which face each other, the upper T-shaped split hub is connected to the boss mounting surface of the inner main shaft through an upper hub screw rod, and the lower T-shaped split hub is connected to the boss mounting surface of the outer main shaft through a lower hub screw rod; the upper T-shaped split hubs are connected to form an integral upper hub, the lower T-shaped split hubs are connected to form an integral lower hub, and the hubs are integrally swung around a hub screw. The utility model discloses unmanned helicopter propeller hub can reduce propeller hub system maintenance cost.
Description
Technical Field
The utility model relates to an unmanned helicopter technical field, more specifically relates to an unmanned helicopter propeller hub and an unmanned helicopter.
Background
Rotor hub systems are key components of helicopters that determine the flight characteristics of the helicopter and even affect flight stability.
At present, in current unmanned helicopter hub, generally adopt integral hub structure, there are the problem such as waving rubber life-span weak point, system maintenance cost height.
Therefore, there is a need to design a new unmanned helicopter hub to increase the life of the flap rubber and reduce the cost of system maintenance.
SUMMERY OF THE UTILITY MODEL
It is an object of embodiments of the present invention to provide a new solution for an unmanned helicopter hub that is low in maintenance costs.
According to an aspect of the utility model, a unmanned helicopter hub is provided, a serial communication port, including interior main shaft, outer main shaft, go up T shape components of a whole that can function independently hub, lower T shape components of a whole that can function independently hub, upward wave rubber and wave rubber down.
The upper T-shaped split hub and the upper flapping rubber are arranged on the inner main shaft, and the lower T-shaped split hub and the lower flapping rubber are arranged on the outer main shaft;
the inner main shaft and the outer main shaft are respectively provided with two boss mounting surfaces which face each other, the upper T-shaped split hub is connected to the boss mounting surface of the inner main shaft through an upper hub screw rod, and the lower T-shaped split hub is connected to the boss mounting surface of the outer main shaft through a lower hub screw rod;
the upper T-shaped split hubs are connected to form an integral upper hub, the lower T-shaped split hubs are connected to form an integral lower hub, and the hubs are integrally swung around a hub screw.
Optionally, the upper and lower T-shaped split hubs are respectively provided with a mounting groove, the upper flapping rubber is embedded in the mounting groove of the upper T-shaped split hub, and an inner side wall of the upper flapping rubber is attached to the inner spindle.
Optionally, the lower flapping rubber is embedded in a mounting groove of the lower T-shaped split hub, and an inner side wall of the lower flapping rubber is attached to the outer spindle.
Optionally, the rotor comprises a graphite copper sleeve, and the graphite copper sleeve is arranged at a position where the upper T-shaped split hub is matched with the upper hub screw.
Optionally, the graphite copper sleeve is arranged at a position where the lower T-shaped split hub is matched with the lower hub screw.
Optionally, the upper T-shaped split hub is bolted to form an integral upper T-shaped hub.
Optionally, the lower T-shaped split hub is bolted to form an integral lower T-shaped hub.
Optionally, the upper flap rubber is of a split structure.
Optionally, the lower flap rubber is of a split structure.
According to the second aspect of the present invention, there is also provided an unmanned helicopter, comprising an unmanned helicopter hub according to the first aspect of the present invention.
The utility model discloses a utility model people discovers, among prior art, in unmanned helicopter propeller hub, generally adopts integral propeller hub structure, waves the rubber life-span short, and the system maintenance cost is high, and the utility model discloses an adopt the technical scheme of unmanned helicopter propeller hub, reduced propeller hub system maintenance cost, improved and waved the rubber life-span. Therefore, the technical task to be achieved or the technical problems to be solved by the present invention are never thought or not expected by those skilled in the art, and therefore the present invention is a new technical solution.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a T-shaped split hub system according to an embodiment of the present invention;
fig. 2 is a schematic view of a T-shaped split hub flap rubber mounting groove according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1, the utility model provides an unmanned helicopter hub, including interior main shaft 2, outer main shaft 3, go up T shape components of a whole that can function independently hub 6, lower T shape components of a whole that can function independently hub 8, upward wave rubber 5 and wave rubber 7 down. The upper T-shaped split hub 6 and the upper flapping rubber 5 are arranged on the inner main shaft 2, and the lower T-shaped split hub 8 and the lower flapping rubber 7 are arranged on the outer main shaft 3.
The unmanned helicopter hub further comprises a hub screw, and the hub screw comprises an upper hub screw 1-1 and a lower hub screw 1-2.
The inner and outer main shafts are provided with boss mounting faces facing each other, the upper hub screw 1-1 connects the upper T-shaped split hub 6 to the boss mounting face of the inner main shaft 2, and the lower hub screw 1-2 connects the lower T-shaped split hub 8 to the boss mounting face of the outer main shaft 3.
The upper and lower T-shaped split hubs are respectively connected into an integral hub through bolts, the upper T-shaped split hub 6 integrally surrounds the upper hub screw rod 1-1 to make flapping motion, and the lower T-shaped split hub 8 integrally surrounds the lower hub screw rod 1-2 to make flapping motion.
Adopt this kind of T type components of a whole that can function independently propeller hub to compare with the integral propeller hub of tradition, it is all more convenient to dismantle and install, consequently, the technical scheme of the utility model have the advantage that makes things convenient for system maintenance and reduction maintenance cost.
Optionally, go up T shape components of a whole that can function independently propeller hub 6 with T shape components of a whole that can function independently propeller hub 8 adopts riveted connected mode to connect as a whole, and the technical staff also can adopt other connected modes, and these connected mode's transform all belongs to the utility model discloses a protection scope.
Alternatively, as shown in fig. 1 and 2, the upper flap rubber 5 and the lower flap rubber 7 are of a split type structure, the upper T-shaped split hub 6 and the lower T-shaped hub 8 have flap rubber mounting grooves 9, the upper flap rubber 5 is disposed on the flap rubber mounting groove 9 of the upper T-shaped split hub 6, and the lower flap rubber 7 is disposed on the flap rubber mounting groove 9 of the lower T-shaped split hub 8.
Go up wave rubber 5 and wave rubber 7 down and be the armful of axle form, go up wave rubber 5 inboard with the laminating of 2 outer walls of interior main shaft, wave rubber 7 inboard down with the laminating of 3 outer walls of outer main shaft. Wave rubber from top to bottom and carry out spacingly through compression deformation to waving the motion for unmanned aerial vehicle's the motion of waving is controlled within reasonable scope.
Compare with traditional integral dance rubber, split type dance rubber installation with dismantle all more swiftly, and then, can regularly change according to the propeller hub vibration condition to waving rubber, conveniently maintain to improve propeller hub system stability and reliability.
Optionally, as shown in fig. 1, the coaxial unmanned helicopter hub may further include a graphite copper sleeve, the upper hub screw 1-1 is inserted into the through hole of the upper T-shaped split hub 6 and provided with an upper graphite copper sleeve 4-1, and the lower hub screw 1-2 is inserted into the through hole of the lower T-shaped split hub 8 and provided with an upper graphite copper sleeve 4-2. The graphite copper sleeve plays a role similar to a rotating bearing between the propeller hub screw rod and the T-shaped split propeller hub, and the service life of the propeller hub screw rod and the T-shaped split propeller hub is prolonged. When the propeller hub normally works, the graphite copper sleeve is replaced after the abrasion of the graphite copper sleeve reaches the preset degree, so that the matching reliability between the propeller hub screw rod and the T-shaped split propeller hub can be ensured, and the maintenance cost is reduced to a great extent.
In another embodiment of the present invention, there is also provided an unmanned helicopter including the unmanned helicopter hub of any embodiment of the present invention. This hub and the connection between other parts of unmanned aerial vehicle can adopt any kind of connection structure now, and it is no longer repeated here.
Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. An unmanned helicopter hub is characterized by comprising an inner main shaft, an outer main shaft, an upper T-shaped split hub, a lower T-shaped split hub, upper flapping rubber and lower flapping rubber, wherein,
the upper T-shaped split hub and the upper flapping rubber are arranged on the inner main shaft, and the lower T-shaped split hub and the lower flapping rubber are arranged on the outer main shaft;
the inner main shaft and the outer main shaft are respectively provided with two boss mounting surfaces which face each other, the upper T-shaped split hub is connected to the boss mounting surface of the inner main shaft through an upper hub screw rod, and the lower T-shaped split hub is connected to the boss mounting surface of the outer main shaft through a lower hub screw rod;
the upper T-shaped split hubs are connected to form an integral upper hub, the lower T-shaped split hubs are connected to form an integral lower hub, and the hubs are integrally swung around a hub screw.
2. The unmanned helicopter hub of claim 1, wherein said upper T-shaped split hub is bolted to form a unitary upper T-shaped hub.
3. The unmanned helicopter hub of claim 2, wherein said lower T-shaped split hub is bolted to form an integral lower T-shaped hub.
4. The unmanned helicopter hub of claim 1, wherein said upper T-shaped split hub is configured with a flap rubber mounting slot, said upper flap rubber is configured on said upper T-shaped split hub mounting slot, and an inner sidewall of said upper flap rubber is in abutment with said inner spindle.
5. The unmanned helicopter hub of claim 4, wherein said lower T-shaped split hub is configured with a flap rubber mounting slot, said lower flap rubber being configured on said lower T-shaped split hub mounting slot, an inner sidewall of said lower flap rubber being in abutment with said outer spindle.
6. The unmanned helicopter hub of claim 1, comprising a graphite copper sleeve disposed at a location where said upper T-shaped split hub mates with said upper hub screw.
7. The unmanned helicopter hub of claim 6, wherein said copper graphite sleeve is disposed at the location where said lower T-shaped split hub mates with said lower hub screw.
8. The unmanned helicopter hub of any of claims 1-7, wherein the flap rubber is a split structure.
9. The unmanned helicopter hub of claim 8, wherein said flap rubber is a split construction.
10. An unmanned helicopter comprising the unmanned helicopter hub of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140886.0U CN211844897U (en) | 2019-12-03 | 2019-12-03 | Unmanned helicopter propeller hub and unmanned helicopter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140886.0U CN211844897U (en) | 2019-12-03 | 2019-12-03 | Unmanned helicopter propeller hub and unmanned helicopter |
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| Publication Number | Publication Date |
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| CN211844897U true CN211844897U (en) | 2020-11-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099015A (en) * | 2019-12-03 | 2020-05-05 | 中国兵器工业计算机应用技术研究所 | Unmanned helicopter propeller hub and unmanned helicopter |
| CN114275147A (en) * | 2021-12-29 | 2022-04-05 | 湖北星航航空科技有限公司 | Hub mechanism of coaxial unmanned helicopter and mounting method thereof |
-
2019
- 2019-12-03 CN CN201922140886.0U patent/CN211844897U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099015A (en) * | 2019-12-03 | 2020-05-05 | 中国兵器工业计算机应用技术研究所 | Unmanned helicopter propeller hub and unmanned helicopter |
| CN114275147A (en) * | 2021-12-29 | 2022-04-05 | 湖北星航航空科技有限公司 | Hub mechanism of coaxial unmanned helicopter and mounting method thereof |
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