CN216070505U - Unmanned helicopter rotor head oar presss from both sides subassembly - Google Patents
Unmanned helicopter rotor head oar presss from both sides subassembly Download PDFInfo
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- CN216070505U CN216070505U CN202023267530.2U CN202023267530U CN216070505U CN 216070505 U CN216070505 U CN 216070505U CN 202023267530 U CN202023267530 U CN 202023267530U CN 216070505 U CN216070505 U CN 216070505U
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- tension shaft
- hole
- unmanned helicopter
- rotor head
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Abstract
The utility model discloses a rotor head and blade clamp assembly of an unmanned helicopter, which comprises: a paddle mounting clamp; the lower paddle clamp is detachably connected with the upper paddle clamp; the two sides of the rotor head are respectively provided with a tension shaft seat, and the tension shaft seats are provided with first through holes which are communicated along the radial direction of the tension shaft seats; the diameter of one end of the tension shaft is larger than that of the other end of the tension shaft, one end of the tension shaft is formed into a stabilizing block, the stabilizing block is arranged in the tension shaft seat, the stabilizing block is provided with a second through hole which is communicated along the radial direction of the stabilizing block, the second through hole is communicated with the first through hole, and the inner diameter of the second through hole is the same as that of the first through hole; the other end of the tension shaft is connected with the lower paddle clamp and the upper paddle clamp and is arranged between the lower paddle clamp and the upper paddle clamp; the first fixing piece penetrates through the second through hole and the first through hole. The tension shaft is convenient to mount and dismount, the tension shaft is connected with the rotor head more stably, the service life of the tension shaft is prolonged, and the flight safety of the unmanned helicopter is further guaranteed.
Description
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to a rotor head propeller clamp assembly of an unmanned helicopter.
Background
The rotor head and the rotor clamp are core components of the unmanned helicopter, and the rotor head and the rotor clamp are connected through a tension shaft. Rotor head oar presss from both sides can realize waving of flight in-process, however traditional oar presss from both sides all formula design as an organic whole, a plurality of parts will be installed in the oar presss from both sides, its one body type design is not convenient for install and dismantles, furtherly, because the oar presss from both sides design as an organic whole, the external diameter of pulling force axle must be equal, otherwise unable installation, because the one end of pulling force axle will with rotor head fixed connection, along its radial through-hole that needs to set up the run-through on the pulling force axle, because can't be thick with the one end of pulling force axle, the remaining thickness in fenestrate place will be very thin, the atress is poor, influence the firm in connection nature, and the service life is prolonged.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the utility model provides the rotor head propeller clamp assembly of the unmanned helicopter, which has the advantages of easiness in installation, high connection firmness and the like.
According to the embodiment of the utility model, the rotor head and blade clamp assembly of the unmanned helicopter is characterized by comprising: a paddle mounting clamp; the lower paddle clamp is detachably connected with the upper paddle clamp; the rotary wing comprises a rotary wing head, wherein pull force shaft bases are arranged on two sides of the rotary wing head, and first through holes which are communicated along the radial direction of the pull force shaft bases are arranged on the pull force shaft bases; the diameter of one end of the tension shaft is larger than that of the other end of the tension shaft, one end of the tension shaft is formed into a stabilizing block, the stabilizing block is installed in the tension shaft seat, the stabilizing block is provided with a second through hole which penetrates through the stabilizing block along the radial direction of the stabilizing block, the second through hole is communicated with the first through hole, and the inner diameter of the second through hole is the same as that of the first through hole; the other end of the tension shaft is connected with the lower paddle clamp and the upper paddle clamp and is arranged between the lower paddle clamp and the upper paddle clamp; the first fixing piece penetrates through the second through hole and the first through hole.
According to the unmanned helicopter rotor head propeller clamp assembly provided by the embodiment of the utility model, the upper propeller clamp and the lower propeller clamp are designed in a split mode, so that the assembly and the disassembly are convenient, the thickening design of the connecting end of the tension shaft and the rotor head is realized, the connection between the tension shaft and the rotor head is more stable by adding the stabilizing block, the service life of the tension shaft is prolonged, and the flight safety of the unmanned helicopter is further ensured.
According to one embodiment of the utility model, one end of the upper paddle clamp and one end of the lower paddle clamp are matched to form a mounting channel, and the other end of the tension shaft is mounted in the mounting channel.
According to an embodiment of the utility model, the unmanned helicopter rotor head rotor clamp assembly further comprises: the first thrust ball bearing and the second thrust ball bearing are arranged at intervals and sleeved on the periphery of the tension shaft and are located in the installation channel.
According to one embodiment of the utility model, the unmanned helicopter rotor head rotor clamp assembly further comprises: and the deep groove ball bearing is sleeved on the periphery of the tension shaft and is positioned between the first thrust ball bearing and the second thrust ball bearing.
According to an embodiment of the present invention, the tension shaft includes: the second through hole is formed in the first section body; the second section body is sleeved with a first thrust ball bearing, a deep groove ball bearing and a second thrust ball bearing in sequence; and the periphery of the second section body is sleeved with a fastener.
According to an embodiment of the utility model, the outer diameter of the first segment is larger than the outer diameter of the second segment, which is larger than the outer diameter of the third segment.
According to one embodiment of the utility model, the outer diameter of the fastener is larger than the outer diameter of the second segment.
According to one embodiment of the utility model, the other end of the lower paddle clamp and one end of the upper paddle clamp are both provided with connecting holes which are communicated along the thickness direction of the lower paddle clamp, and the two connecting holes are oppositely arranged and are communicated with each other.
According to one embodiment of the utility model, the unmanned helicopter rotor head rotor clamp assembly further comprises: the second mounting, the second mounting is a plurality of, and is a plurality of the second mounting is connected go up the oar press from both sides with lower oar presss from both sides.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a diagrammatic sectional view of an unmanned helicopter rotor head rotor clamp assembly according to an embodiment of the present invention;
figure 2 is a schematic structural diagram of an unmanned helicopter rotor head rotor clamp assembly according to an embodiment of the present invention.
Reference numerals:
an unmanned helicopter rotor head rotor clamp assembly 100;
a rotor head 10; a tension shaft seat 11;
an upper paddle clamp 20;
a lower paddle clamp 30; a connecting hole 31;
a tension shaft 40; a stabilizing block 41; a second through hole 411; a second segment 42; a third segment body 43;
a first fixing member 50;
a first thrust ball bearing 61; deep groove ball bearings 62; a second thrust ball bearing 63; a fastener 64.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An unmanned helicopter rotor head rotor clamp assembly 100 according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, an unmanned helicopter rotor head clip assembly 100 according to an embodiment of the present invention comprises: upper blade clamp 20, lower blade clamp 30, rotor head 10, tension shaft 40 and first mount 50.
Specifically, according to the unmanned helicopter rotor head blade clamp assembly 100 of the embodiment of the present invention, the lower blade clamp 30 is detachably connected to the upper blade clamp 20; both sides of the rotor head 10 are provided with a tension shaft seat 11, and the tension shaft seat 11 is provided with a first through hole which is communicated along the radial direction of the tension shaft seat; the diameter of one end of the tension shaft 40 is larger than that of the other end of the tension shaft, one end of the tension shaft 40 is formed into a stabilizing block 41, the stabilizing block 41 is installed in the tension shaft seat 11, the stabilizing block 41 is provided with a second through hole 411 which is through along the radial direction of the stabilizing block, the second through hole 411 is communicated with the first through hole, and the inner diameter of the second through hole 411 is the same as that of the first through hole; the other end of the tension shaft 40 is connected with the lower paddle clamp 30 and the upper paddle clamp 20 and is arranged between the lower paddle clamp 30 and the upper paddle clamp 20; the first fixing member 50 passes through the second through hole 411 and the first through hole.
In other words, the rotor head blade clamp assembly 100 of the unmanned helicopter according to the embodiment of the present invention mainly comprises an upper blade clamp 20, a lower blade clamp 30, a rotor head 10, a tension shaft 40, and a first fixing member 50, wherein the upper blade clamp 20 and the lower blade clamp 30 are designed in a split manner, and after the assembly and the mold assembly are performed, the upper blade clamp 20 and the lower blade clamp 30 can be fixed by a plurality of bolts to form a complete blade clamp. Go up the oar and press from both sides 20 and lower oar and press from both sides 30 and rotor head 10 between be connected through pulling force axle 40, the both sides of rotor head 10 all are equipped with pulling force axle bed 11, the one end of pulling force axle 40 is installed in pulling force axle bed 11, the one end of pulling force axle 40 forms into firm piece 41, firm piece 41's external diameter is greater than the external diameter of the other end of pulling force axle 40, because the oar presss from both sides to split type design, be convenient for install, do firm piece 41 size with pulling force axle 40 one end greatly can make, pulling force axle 40 is more firm in pulling force axle bed 11. Be equipped with on the pulling force axle bed 11 along its radial first through-hole that link up, stabilize the piece 41 and be equipped with along its radial second through-hole 411 that link up, the second through-hole 411 is beaten out to the external diameter of stabilizing the piece 41 big back, and remaining wall thickness is thicker, and the atress is better, improves and connects steadiness and joint strength. The first fixing member 50 passes through the second through hole 411 and the first through hole to fix the tension shaft 40 to the rotor head 10, and the first fixing member 50 may be a setscrew.
Therefore, according to the unmanned helicopter rotor head paddle clamp assembly 100 provided by the embodiment of the utility model, the upper paddle clamp 20 and the lower paddle clamp 30 are designed in a split mode, so that the assembly and disassembly are convenient, the thickening design of the connecting end of the tension shaft 40 and the rotor head 10 is realized, the connection between the tension shaft 40 and the rotor head 10 is more stable by adding the stabilizing block 41, the service life of the tension shaft 40 is prolonged, and the flight safety of the unmanned helicopter is further ensured.
According to one embodiment of the present invention, one end of the upper blade holder 20 and one end of the lower blade holder 30 are engaged to form a mounting channel, and the other end of the tension shaft 40 is mounted in the mounting channel.
In an embodiment of the present invention, the unmanned helicopter rotor head rotor blade clamp assembly 100 further comprises: the first thrust ball bearing 61 and the second thrust ball bearing 63 are arranged on the outer periphery of the tension shaft 40 in a spaced manner, and the first thrust ball bearing 61 and the second thrust ball bearing 63 are located in the installation channel. That is, the first thrust ball bearing 61 and the second thrust ball bearing 63 are located between the tension shaft 40 and the upper and lower paddle holders 30.
Further, unmanned helicopter rotor head rotor clamp assembly 100 further comprises: and the deep groove ball bearing 62 is sleeved on the outer periphery of the tension shaft 40, and the deep groove ball bearing 62 is positioned between the first thrust ball bearing 61 and the second thrust ball bearing 63. The first thrust ball bearing 61 is located at an end close to the rotor head 10, and the second thrust ball bearing 63 is located at an end of the first thrust ball bearing 61 facing outward.
Optionally, the tension shaft 40 comprises: the first section body, the second section body 42 and the third section body 43, and the second through hole 411 is arranged on the first section body; a first thrust ball bearing 61, a deep groove ball bearing 62 and a second thrust ball bearing 63 are sequentially sleeved on the periphery of the second section body 42; the outer periphery of the third segment 43 is sleeved with a fastener 64. That is, the first thrust ball bearing 61, the deep groove ball bearing 62, and the second thrust ball bearing 63 are provided in this order from the inside to the outside.
Preferably, the outer diameter of the first segment is larger than that of the second segment 42, and the outer diameter of the second segment 42 is larger than that of the third segment 43.
Further, the outer diameter of the fastener 64 is greater than the outer diameter of the second section 42. The fastening member 64 may be a locking wedge nut, so that the connection between the tension shaft 40 and the upper and lower blade clamps 30 is more stable and effectively prevented from being loosened.
According to an embodiment of the present invention, one end of the upper blade holder 20 and the other end of the lower blade holder 30 are each provided with a connection hole 31 penetrating in a thickness direction thereof, and the two connection holes 31 are oppositely disposed and communicate with each other. The blade can be fixed through the coupling hole 31.
In an embodiment of the present invention, the unmanned helicopter rotor head rotor blade clamp assembly 100 further comprises: and a plurality of second fixing parts are connected with the upper paddle clamp 20 and the lower paddle clamp 30. Specifically, a plurality of screw holes are correspondingly formed in the edge portions of the upper paddle clamp 20 and the lower paddle clamp 30, the second fixing member may be a bolt, and the plurality of bolts penetrate through the screw holes of the upper paddle clamp 20 and the lower paddle clamp 30 to fix the upper paddle clamp 20 and the lower paddle clamp 30 into a whole.
It should be noted that the first segment is a stable block 41.
In summary, according to the rotor head paddle clamp assembly 100 of the unmanned helicopter of the embodiment of the present invention, on the premise of ensuring the present flying function, the paddle clamp is provided in a split type, and is divided into the upper paddle clamp 20 and the lower paddle clamp 30, which not only facilitates installation and disassembly, but also realizes a thickening design of the connection end of the tension shaft 40 and the rotor head 10, and by adding the stabilizing block 41, the connection between the tension shaft 40 and the rotor head 10 is more stable, so that the requirements of easy installation and looseness prevention are met, the service life of the tension shaft 40 is prolonged, and the flight safety of the unmanned helicopter is further ensured. The rotor head 10 paddle clip assembly has the advantages of being easy to install, high in connection firmness and the like.
Other structures and operations of the unmanned helicopter rotor head rotor clamp assembly according to embodiments of the present invention will be understood and readily implemented by those skilled in the art, and therefore will not be described in detail.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. An unmanned helicopter rotor head rotor clamp assembly, comprising:
a paddle mounting clamp;
the lower paddle clamp is detachably connected with the upper paddle clamp;
the rotary wing comprises a rotary wing head, wherein pull force shaft bases are arranged on two sides of the rotary wing head, and first through holes which are communicated along the radial direction of the pull force shaft bases are arranged on the pull force shaft bases;
the diameter of one end of the tension shaft is larger than that of the other end of the tension shaft, one end of the tension shaft is formed into a stabilizing block, the stabilizing block is installed in the tension shaft seat, the stabilizing block is provided with a second through hole which penetrates through the stabilizing block along the radial direction of the stabilizing block, the second through hole is communicated with the first through hole, and the inner diameter of the second through hole is the same as that of the first through hole; the other end of the tension shaft is connected with the lower paddle clamp and the upper paddle clamp and is arranged between the lower paddle clamp and the upper paddle clamp;
the first fixing piece penetrates through the second through hole and the first through hole;
go up oar and press from both sides one end and the one end of oar clamp down and cooperate, form the installation passageway, the other end of pulling force axle is installed in the installation passageway.
2. The unmanned helicopter rotor head rotor clip assembly of claim 1, further comprising: the first thrust ball bearing and the second thrust ball bearing are arranged at intervals and sleeved on the periphery of the tension shaft and are located in the installation channel.
3. The unmanned helicopter rotor head rotor clip assembly of claim 2, further comprising: and the deep groove ball bearing is sleeved on the periphery of the tension shaft and is positioned between the first thrust ball bearing and the second thrust ball bearing.
4. The unmanned helicopter rotor head clip assembly of claim 3, wherein the tension shaft comprises:
the second through hole is formed in the first section body;
the second section body is sleeved with a first thrust ball bearing, a deep groove ball bearing and a second thrust ball bearing in sequence;
and the periphery of the second section body is sleeved with a fastener.
5. The unmanned helicopter rotor head rotor clamp assembly of claim 4, wherein the outer diameter of the first section is greater than the outer diameter of the second section, and the outer diameter of the second section is greater than the outer diameter of the third section.
6. The unmanned helicopter rotor head rotor clip assembly of claim 5, wherein the fastener has an outer diameter that is greater than the outer diameter of the second section.
7. The unmanned helicopter rotor head rotor clamp assembly of claim 6, wherein the upper rotor clamp and the lower rotor clamp each have a connecting hole running through in the thickness direction, and the two connecting holes are disposed opposite to each other and are in communication with each other.
8. The unmanned helicopter rotor head clip assembly of claim 7, further comprising: the second mounting, the second mounting is a plurality of, and is a plurality of the second mounting is connected go up the oar press from both sides with lower oar presss from both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023267530.2U CN216070505U (en) | 2020-12-30 | 2020-12-30 | Unmanned helicopter rotor head oar presss from both sides subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023267530.2U CN216070505U (en) | 2020-12-30 | 2020-12-30 | Unmanned helicopter rotor head oar presss from both sides subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216070505U true CN216070505U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023267530.2U Active CN216070505U (en) | 2020-12-30 | 2020-12-30 | Unmanned helicopter rotor head oar presss from both sides subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216070505U (en) |
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2020
- 2020-12-30 CN CN202023267530.2U patent/CN216070505U/en active Active
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