CN114013231A - Propeller fixing device and flight equipment - Google Patents
Propeller fixing device and flight equipment Download PDFInfo
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- CN114013231A CN114013231A CN202111414200.8A CN202111414200A CN114013231A CN 114013231 A CN114013231 A CN 114013231A CN 202111414200 A CN202111414200 A CN 202111414200A CN 114013231 A CN114013231 A CN 114013231A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F5/00—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media
- B60F5/02—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media convertible into aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
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Abstract
The application relates to a propeller fixing device and flight equipment. The propeller fixing device comprises a fixing seat, a driving mechanism and a clamping mechanism. Actuating mechanism sets up in the fixing base, fixture movably connects in the fixing base, fixture includes transmission linkage and holder, and transmission linkage connects between fixing base and actuating mechanism, and the holder is connected in transmission linkage and sets up with the fixing base interval, forms the centre gripping space that is suitable for the centre gripping paddle between holder and the fixing base, and transmission linkage drives the holder motion under actuating mechanism's drive and in order to change the size in centre gripping space. Flight equipment is including flight main part, screw and above-mentioned screw fixing device, and the screw rotationally connects in the flight main part, and the screw includes the paddle, can wear to locate the centre gripping space when the paddle is in quiescent condition, holder and fixing base centre gripping paddle. In the fixing device, the driving piece drives the transmission connecting rod group and the clamping piece to move, so that the blades can be automatically clamped and fixed.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a propeller fixing device and flight equipment.
Background
The hovercar belongs to a brand-new technical field, is mostly of two types of fixed wings or propellers which hang, has longer and larger propeller wings, can be scratched or collided with other vehicles in the driving process, can generate larger resistance and influences the driving speed of the hovercar.
Therefore, most of the conventional flying automobiles adopt a manual storage mode to store the paddle wing into the automobile body, and the paddle wing is complex in structure, lacks of a fixing device and is easy to cause collision damage of the structure.
Disclosure of Invention
The embodiment of the application provides a propeller fixing device and flight equipment.
According to a first aspect of the present application, an embodiment of the present application provides a propeller fixing device, which includes a fixing base, a driving mechanism, and a clamping mechanism. Actuating mechanism sets up in the fixing base, fixture movably connects in the fixing base, fixture includes transmission linkage and holder, transmission linkage connects between fixing base and actuating mechanism, the holder is connected in transmission linkage and sets up with the fixing base looks interval, form the centre gripping space that is suitable for the centre gripping paddle between holder and the fixing base, transmission linkage drives the holder motion under actuating mechanism's drive and in order to change the size in centre gripping space.
According to the second aspect of the application, this application embodiment provides a flight equipment, and it includes flight main part, screw and above-mentioned screw fixing device, and the screw rotationally connects in the flight main part, and the screw includes the paddle, can wear to locate the centre gripping space when the paddle is in quiescent condition, holder and fixing base centre gripping paddle.
In the propeller fixing device that this application embodiment provided, the holder forms the centre gripping space with the fixing base, and the paddle can wear to locate in the centre gripping space to the realization is to the centre gripping of paddle. Actuating mechanism connects in the fixing base, and fixture movably connects in the fixing base, and actuating mechanism drive transmission linkage moves to drive the holder motion, thereby change the size in centre gripping space, fix with the automatic centre gripping of realization to the paddle.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of a propeller fixing device according to an embodiment of the present application.
Fig. 2 is a perspective view of the propeller mounting apparatus of fig. 1 from another perspective, with the mounting bracket omitted.
Fig. 3 is a perspective view of the fixing base of the propeller fixing device and the driving mechanism shown in fig. 2.
Fig. 4 is a perspective view of the fixing base, the driving mechanism and the first clamping mechanism of the propeller fixing device shown in fig. 2.
Fig. 5 is a perspective view of the fixing base, the driving mechanism and the second clamping mechanism of the propeller fixing device shown in fig. 2.
Fig. 6 is a perspective view of the fixing base, the driving mechanism and the third clamping mechanism of the propeller fixing device shown in fig. 2.
Fig. 7 is a diagram of the movement trace of the propeller mounting device shown in fig. 2.
Fig. 8 is a schematic perspective view of a flight device provided in an embodiment of the present application.
FIG. 9 is a perspective view of the propeller mounting arrangement and the propeller of the flight device shown in FIG. 8.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer of hardware may refer to a component by different names. The specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to,"; "substantially" means that a person skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.
The propeller fixing device and the flight apparatus proposed in the present application will be further described with reference to the following detailed description and the accompanying drawings.
Referring to fig. 1, the present embodiment provides a propeller fixing device 100. The propeller mounting device 100 may be applied to a flying apparatus 200 (shown in fig. 8) to achieve automatic clamping of the propeller 230.
The propeller fixing device 100 may include a fixing base 10, a driving mechanism 30 and a plurality of clamping mechanisms 20, wherein the driving mechanism 30 is disposed on the fixing base 10, and the clamping mechanisms 20 are movably connected to the fixing base 10. The clamping mechanism 20 includes a clamping member 22 and a transmission linkage 24, the transmission linkage 24 is connected between the fixed seat 10 and the driving mechanism 30, the clamping member 22 is connected to the transmission linkage 24 and is disposed at an interval with the fixed seat 10, a clamping space 150 suitable for clamping the blade 231 (as shown in fig. 8) is formed between the clamping member 24 and the fixed seat 10, and the transmission linkage 24 drives the clamping member 22 to move under the driving of the driving mechanism 30 so as to change the size of the clamping space 150, thereby realizing the automatic clamping and fixing of the blade 231.
In the embodiment of the present application, the fixing base 10 includes a fixing frame 12 and a mounting frame 14, the fixing frame 12 is fixedly connected to the mounting frame 14, the fixing frame 12 is configured to form a clamping space 150 at a distance from the clamping member 22, and the mounting frame 14 is configured to mount the propeller fixing device 100 to the flight apparatus 200.
The mounting bracket 14 is generally frame-shaped to facilitate mounting of the propeller mounting device 100 and to reduce overall weight. The mounting portion 14 is provided with a mounting groove 141, and the driving mechanism 30 is at least partially received in the mounting groove 141 to reduce the occupied space of the propeller fixing device 100.
Referring to fig. 2, the fixing frame 12 includes a body 121, a supporting portion 123 and a fixing portion 125, the body 121 is substantially block-shaped, the supporting portion 123 and the fixing portion 125 are respectively disposed on two opposite sides of the body 121, the supporting portion 123 is connected to the body 121 and protrudes in a direction away from the fixing portion 125 relative to the body 121, the fixing portion 125 is connected to the body 121 and protrudes in a direction away from the supporting portion 123 relative to the body 21, the supporting portion 123 is used for being connected to the driving mechanism 30, the fixing portion 125 is used for being connected to the clamping mechanism, and the supporting portion 123 and the clamping portion 125 together form a clamping space 150.
In this application, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically stated or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through the inside of two members or they may be merely surface-contacting. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 3, the driving mechanism 30 includes a driving member 32 and a driving linkage 34, the driving member 32 is connected to the supporting portion 123, and the driving linkage 34 is connected between the driving member 32 and the clamping mechanism and configured to move under the driving of the driving member 12. In some embodiments, the driving member 32 may be a driving motor (e.g., a linear motor) that converts electrical energy into mechanical energy to move the driving linkage 34. In other embodiments, the driving member 32 may be a linear actuator, which may produce linear motion by converting high and low pressure oil to do work, thereby driving the driving linkage 34 to move. In still other embodiments, the driving member 32 can be a radial actuator, which can drive the driving linkage 34 to move through transmission means such as a paddle, a gear, a belt, etc. Further, the fixed end of the driving element 32 is rotatably connected to the supporting portion 123, and the driving end of the driving element 32 is connected to the driving linkage 34, so as to avoid the movement interference of the fixing base 10 to the driving mechanism 30.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In this embodiment, the driving linkage 34 may include a driving rod 341, a sliding member 343, and a rocking bar 345, wherein one end of the driving rod 341 is rotatably connected to the output end of the driving member 32, and the other end of the driving rod 341 is movably connected to the sliding member 343. The slider 343 is connected between the gripping mechanism and the driving rod 341. The rocker 345 is rotatably connected to the body 12 at one end and to the driving rod 341 between the ends thereof at the other end to limit the movable range of the driving rod 341.
Further, the driving rod 341 includes a first end 3411, a second end 3413 and a rod portion 3415, wherein the first end 3411 and the second end 3413 are respectively disposed at two opposite ends of the rod portion 3415. First end 3411 is rotatably connected to the drive end of driver 32. The second end 3413 is provided with a movable hole 3414, and the movable hole 3414 is a substantially kidney-shaped hole whose length direction is arranged along the length direction of the driving rod 341. The movable hole 3414 is for movably engaging with the slider 343. One end of the rocker 345 is hinged to the body 121 of the fixing base, and the other end is rotatably connected to the rod 3415 of the driving rod 341. The slider 343 is a generally slider structure that is movably engaged in the movable hole 3414 through the protruding shaft 3430. Specifically, the protruding shaft 3430 may be fixedly connected to the sliding member 343, and the protruding shaft 3430 may be movably received in the movable hole 3414 and may be capable of moving along the length direction of the movable hole 3414.
Referring to fig. 1 again, the plurality of clamping mechanisms 20 are provided, the transmission linkage 24 of the plurality of clamping mechanisms 20 are respectively movably connected to the driving linkage 34, the clamping members 22 of the plurality of clamping mechanisms 20 respectively form a plurality of clamping spaces 120 with the fixing base 10, and the clamping spaces 150 are adapted to respectively clamp the plurality of blades 231 of the propeller 230.
Further, the transmission linkage 24 and the corresponding clamping member 22 together form a parallelogram mechanism, the hinged ends of the plurality of parallelogram mechanisms are respectively rotatably connected with the fixed seat 10, the power input ends of the plurality of parallelogram mechanisms are respectively connected with the driving linkage 34, and the clamping member 22 serves as an actuating end of the parallelogram mechanism.
Referring to fig. 4, the plurality of clamping mechanisms 20 includes a first clamping mechanism 50, the first clamping mechanism 50 includes a first clamping member 52 and a first transmission linkage 54, the first transmission linkage 54 is connected between the fixing base 10 and the driving mechanism 30, the first clamping member 52 is connected to the first transmission linkage 54 and spaced apart from the fixing base 10, so that a first clamping space 110 is formed between the first clamping member 52 and the fixing base 10.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the embodiment of the present application, the first clamping member 52 includes a first clamping portion 521 and a first connecting portion 523, and the fixing base 10 further includes a first engaging portion 127, wherein the first engaging portion 127 is connected to the body 121 and disposed between the supporting portion 123 and the fixing portion 125. Specifically, the first connecting portion 521 is substantially plate-shaped, the first connecting portion 521 and the first matching portion 127 are disposed at an interval to form a first clamping space 110, and the first clamping space 110 is used for clamping the propeller 230. The first connecting portion 523 is connected to the first clamping portion 521 and connected between the fixing portion 125 and the slider 343. In some embodiments, the first clamping mechanism 50 further includes a first elastic protection member 56, and the first elastic protection member 56 is connected to a side of the first clamping portion 521 near the first matching portion 127 for buffering when the first clamping mechanism 50 operates, so as to protect the propeller 230.
Further, the first transmission linkage 54 drives the first clamping member 52 to move under the driving of the driving mechanism 30 to change the size of the first clamping space 110. The first transmission linkage 54 includes a first link 541 and a second link 543, the first link 541 and the second link 543 are spaced apart, the first link 541 is rotatably connected between the fixed base 10 and the first connection portion 523, and the second link 543 is rotatably connected between the slider 343 and the first connection portion 523. In an embodiment, the first link 541 and the second link 543 form a parallelogram linkage together, and form a parallelogram linkage with the first clamping member 52, one end of the first link 541 and the second link 543 rotatably connected to the fixing base 10 is a hinge end of the parallelogram linkage, the second link 543 is an input end of the parallelogram linkage, and the first clamping member 52 is an actuating end of the parallelogram linkage. When the slider 343 drives the first rod 5431 of the second link 543 to move, the second link 543 swings around the pivot connected to the fixing base 10, so as to drive the first clamping member 52 to swing, and thus the parallelogram linkage swings.
In this embodiment, the second connecting rod 543 includes a first rod portion 5431 and a second rod portion 5433, the first rod portion 5431 is connected to the second rod portion 5433, and the second rod portion 5433 is bent relative to the first rod portion 5431, and an included angle smaller than 180 degrees is formed therebetween. The first rod portion 5431 is rotatably connected to the first connecting portion 523, the second rod portion 5233 is movably connected to the sliding member 343, and a joint between the first rod portion 5431 and the second rod portion 5433 is rotatably connected to the fixing portion 125.
Further, in order to be coupled to the second rod portion 5233, the sliding member 343 may be provided with a first sliding groove 3431, wherein the first sliding groove 3431 is a substantially kidney-shaped hole, and the length direction thereof is substantially along the length direction of the first rod portion 5431. The first sliding groove 3431 is configured to movably engage with the first rod 5431, wherein the first rod 5431 may be provided with a pivot and the like, and the pivot and the like may be movably received in the first sliding groove 3431 to movably engage with the first sliding groove 3431.
When the propeller fixing device 100 operates, the driving mechanism 30 drives the first transmission linkage 54 to drive the first clamping member 52 to move towards the first matching portion 127, so as to clamp the propeller 230.
Referring to fig. 5, the plurality of clamping mechanisms 20 further include a second clamping mechanism 70, and the second clamping mechanism 70 and the first clamping mechanism 50 are respectively disposed on two opposite sides of the fixing base 10. The second clamping mechanism 70 includes a second clamping member 72, a first transmission rod 74 and a second transmission linkage 76, the second transmission rod 74 is rotatably connected to the fixing base 10, and two ends of the second transmission rod 74 are rotatably connected to the sliding member 343 and the second rotation linkage 76, respectively. The second clamping member 72 is connected to the second transmission linkage 76 and spaced apart from the fixing base 10, so that a second clamping space 120 is formed between the second clamping member 72 and the fixing base 10.
In this embodiment, the first driving rod 74 may include a first end 741, a second end 743 and a middle rod portion 745, and the first end 741 and the second end 743 are respectively disposed at two opposite ends of the middle rod portion 745. The first end 741 is rotatably connected to the slider 343, the second end 743 is provided with a through groove 7431, and the through groove 7431 is substantially a partial waist-shaped hole, and the length direction thereof is arranged along the length direction of the first transmission rod 74. The through slot 7431 is adapted to movably engage the second drive linkage 76.
In the embodiment of the present application, the second clamping member 72 includes a second clamping portion 721 and a second connecting portion 723, and the fixing base 10 further includes a second matching portion 129, wherein the second matching portion 129 is connected to the body 121 and disposed between the supporting portion 123 and the first matching portion 127. Specifically, the second connecting portion 721 is substantially plate-shaped, the second connecting portion 721 is spaced apart from the second matching portion 129 to form a second clamping space 110, and the second clamping space 110 is used for clamping the propeller 230. The second connecting portion 723 is connected to the second clamping portion 721 and between the fixing portion 125 and the slider 343. In some embodiments, the second clamping mechanism 70 further includes a second elastic protection member 78, and the second elastic protection member 78 is disposed on a side of the second clamping portion 721 close to the second matching portion 129, for playing a role of buffering and protecting the propeller 230 when the second clamping mechanism 70 is in operation.
The second transmission linkage 76 drives the second clamping member 72 to move under the driving of the driving mechanism 30 so as to change the size of the second clamping space 120. Further, the second transmission linkage 76 includes a third link 761 and a fourth link 763, the third link 761 and the fourth link 763 are spaced apart, the third link 761 is rotatably connected between the fixing base 10 and the second connecting portion 723, the fourth link 763 is rotatably connected between the first transmission rod 74 and the second connecting portion 723, and the fourth link 763 is movably engaged with the through slot 7431 through the protruding shaft 7630. Specifically, the protruding shaft 7630 may be fixedly connected to the fourth link 763, and the protruding shaft 7630 may be movably received in the through slot 7431 and may move along the length direction of the through slot 7431. In the embodiment, the third link 761 and the fourth link 763 together form a parallelogram linkage, and form a parallelogram linkage with the second clamping member 72, one end of the third link 761 and the fourth link 763 rotatably connected to the fixing base 10 is a hinge end of the parallelogram linkage, the fourth link 763 is an input end of the parallelogram linkage, and the second clamping member 72 is an actuating end of the parallelogram linkage. When the first transmission rod 74 moves, it can swing with the fourth link 763, thereby swinging the parallelogram linkage.
When the propeller fixing device 100 is operated, the driving mechanism 30 drives the first transmission rod 74, and the first transmission rod 74 drives the second transmission linkage 76 to move the second clamping piece 72 toward the second matching portion 129, so as to clamp the propeller 230.
Referring to fig. 6, the plurality of clamping mechanisms 20 further includes a third clamping mechanism 90, and the third clamping mechanism 90 is located between the first clamping mechanism 50 and the second clamping mechanism 70. The third clamping mechanism 90 includes a second transmission rod 94, a third transmission rod 95, a third transmission linkage group 96 and a third clamping member 92, one end of the second transmission rod 94 is rotatably disposed on the fixing base 10, the other end of the second transmission rod is connected to the third transmission rod 95, the third transmission linkage group 96 is connected to one end of the third transmission rod 95 far away from the second transmission rod 94 and is connected to the fixing base 10, and the third clamping member 92 is connected to the third transmission linkage group 96 and is disposed at an interval from the fixing base 10, so that a third clamping space 130 is formed between the third clamping member 92 and the fixing base 10.
In the embodiment of the present application, the third clamping member 72 is connected to a side of the first matching portion 127 facing the second matching portion 129, the third clamping member 72 is substantially plate-shaped, the third clamping member 72 and the second matching portion 129 are disposed at an interval to form a third clamping space 130, and the third clamping space 130 is used for clamping the propeller 230. In some embodiments, the third clamping mechanism 70 further comprises a third elastic protection member 78, and the third elastic protection member 78 is connected to a side of the third clamping portion 721 close to the second matching portion 129 for playing a role of buffering when the third clamping mechanism 70 operates, so as to protect the propeller 230.
The second transmission rod 94 includes a first end, a second end and a middle rod portion (not labeled), and the first end and the second end are respectively disposed at two opposite ends of the middle rod portion. The first end is movably connected to the sliding member 343, the second end is rotatably connected to the third transmission rod 95, and the middle rod is rotatably connected to the fixing base 10. In the present embodiment, the sliding member 343 is provided with a second sliding groove 3433, the second sliding groove 3433 is disposed on a side of the sliding member 343 away from the first sliding groove 3411, and the second sliding groove 3433 is a substantially kidney-shaped hole, and a length direction of the second sliding groove 3433 is disposed along a length direction of the second transmission rod 94. The second sliding groove 3433 is configured to movably engage with the second transmission rod 94, wherein the second transmission rod 94 may be provided with a pivot or the like, and the pivot or the like is movably received in the second sliding groove 3433 to movably engage with the second sliding groove 3433.
The third transmission rod 95 includes a first end, a second end and a middle rod part (not labeled in the figure), and the first end and the second end are respectively disposed at two opposite ends of the middle rod part. The first end is rotatably connected to a second end of the second drive link 94 and the second end is rotatably connected to a third drive linkage 96.
The third transmission linkage 96 drives the third clamping member 92 to move under the driving of the driving mechanism 30 so as to change the size of the third clamping space 120. Further, the third transmission linkage 96 includes a fifth link 961 and a sixth link 963, the fifth link 961 and the sixth link 963 are disposed in parallel and spaced apart from each other, the fifth link 961 is rotatably connected between the fixed seat 10 and the third clamping member 92, and the sixth link 963 is rotatably connected between the third transmission rod 95 and the third clamping member 92.
The sixth link 963 includes a first end, a second end and a middle rod portion (not shown), and the first end and the second end are respectively disposed at two opposite ends of the middle rod portion. The first end is rotatably connected to the fixing base 10, the second end is rotatably connected to the third clamping member 92, and the middle rod portion is rotatably connected to the second end of the third transmission rod 95.
In the embodiment, the fifth link 961 and the sixth link 963 form a parallelogram linkage together, and form a parallelogram linkage with the third clamping member 92, one end of the fifth link 961 and the sixth link 963 rotatably connected to the fixing base 10 is a hinge end of the parallelogram linkage, the sixth link 963 is an input end of the parallelogram linkage, and the third clamping member 92 is an actuating end of the parallelogram linkage. When the third transmission rod 95 moves, it can swing with the sixth link 963, thereby swinging the parallelogram linkage.
When the propeller fixing device 100 is operated, the driving mechanism 30 drives the second transmission rod 94, the second transmission rod 94 drives the third transmission rod 95, and the third transmission rod 95 drives the third transmission linkage 96, so that the third clamping member 92 moves toward the second matching portion 129, thereby clamping the propeller 230.
Referring to fig. 7, fig. 7 shows the movement locus of a part of the mechanism of the propeller fixing device 100. The propeller fixing device 100 simultaneously drives the plurality of clamping members 22 to move under the driving of the driving member 32 through a series of mechanical applications, so as to achieve the purpose of simultaneously clamping or releasing the blade 231, and the mechanical movement process of clamping the plurality of clamping members 22 is described as follows, and a brief transmission path of the torque is shown in fig. 7 and will be described in detail below.
Clamping process of the first clamp 52: the driving member 32 drives one end of the driving rod 341 to extend forward → the driving rod 341 swings relative to the rocker 345, and one end of the connecting slider 343 rotates clockwise → the slider 343 moves upward → the second link 543, the first link 541 connects the first clamping member 52 to rotate counterclockwise → the first clamping member 52 moves toward the first matching portion 127 under the driving of the second link 543 and the first link 541, and finally reaches the clamping position.
Clamping process of the second clamp 72: the driving member 32 drives one end of the driving rod 341 to extend forward → the driving rod 341 swings relative to the rocker 345, and one end of the connecting slider 343 rotates clockwise → the slider 343 moves upward → the first transmission rod 74 rotates clockwise close to one side of the fourth link 763, and simultaneously the third link 761 and the fourth link 763 rotate clockwise relative to the fixing seat 10 → the second clamping member 72 moves toward the second matching portion 129 under the driving of the fourth link 763 and the third link 761 and finally reaches the clamping position.
The mechanical movement of the plurality of clamps 22 to release the paddle 231 is the reverse of the clamping process described above.
Referring to fig. 8, the present embodiment provides a flight device 200. The flying apparatus 200 includes a flying body 210, a propeller 230, a horn 250, and a propeller mounting device 100. The propeller 230 is rotatably disposed on the horn 250, and the horn 250 is movably coupled to the flying body 210.
Referring to fig. 9, in the embodiment of the present application, the propeller 230 includes a plurality of blades 231, the blades 231 are foldable blades, the number of the blades 231 is three in order to adapt to the number of the clamping spaces of the propeller fixing device 100, when the blades 231 are in a static state and are folded relative to the horn 250, the three blades 231 respectively penetrate through the first clamping space 110, the second clamping space 120 and the third clamping space 130, and the first clamping member 52, the second clamping member 72 and the third clamping member 92 respectively clamp the three blades 231 with the fixing base 10, so that the blades 231 are fixed relative to the horn 250.
In the propeller fixing device that this application embodiment provided, the holder forms the centre gripping space with the fixing base, and the paddle can wear to locate in the centre gripping space to the realization is to the centre gripping of paddle. Actuating mechanism connects in the fixing base, and fixture movably connects in the fixing base, and actuating mechanism drive transmission linkage moves to drive the holder motion, thereby change the size in centre gripping space, fix with the automatic centre gripping of realization to the paddle.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (11)
1. A propeller fixing device, characterized in that the propeller fixing device is used for fixing blades of a propeller; the propeller fixing device includes:
a fixed seat;
the driving mechanism is arranged on the fixed seat; and
the clamping mechanism is movably connected with the fixed seat; the clamping mechanism comprises a transmission connecting rod set and a clamping piece, and the transmission connecting rod set is connected between the fixed seat and the driving mechanism; the clamping piece is connected to the transmission connecting rod group and arranged at intervals with the fixed seat, and a clamping space suitable for clamping the paddle is formed between the clamping piece and the fixed seat; the transmission connecting rod group drives the clamping piece to move under the driving of the driving mechanism so as to change the size of the clamping space.
2. The propeller mounting apparatus of claim 1 wherein the drive mechanism includes a drive member and a drive linkage, the drive member being coupled to the mounting block, the drive linkage being coupled between the drive motor and the drive linkage and configured to move under the drive of the drive member.
3. The propeller mounting apparatus of claim 2 wherein the plurality of clamping mechanisms have drive linkages each movably connected to the drive linkage; the clamping pieces of the plurality of clamping mechanisms and the fixed seat form a plurality of clamping spaces respectively, and the plurality of clamping spaces are suitable for clamping the plurality of blades of the propeller respectively.
4. The propeller mounting apparatus of claim 3 wherein the drive linkage and the corresponding clamping members together form a parallelogram mechanism, the articulated ends of the plurality of parallelogram mechanisms are each pivotally connected to the mounting base, the power input ends of the plurality of parallelogram mechanisms are each connected to the drive linkage, and the clamping members serve as the actuating ends of the parallelogram mechanisms.
5. The propeller fixing device according to claim 2, wherein the driving linkage comprises a driving rod, a sliding member and a rocker, the rocker is rotatably connected to the fixing seat, one end of the driving rod is rotatably connected to the output end of the driving member, the other end of the driving rod is movably connected to the sliding member, and the rocker is further rotatably connected to a position between two ends of the driving rod; the transmission linkage is movably connected to the sliding part.
6. The propeller mounting device of claim 5 wherein the plurality of clamping mechanisms includes a first clamping mechanism, the first clamping mechanism including a first drive linkage and a first clamping member, the first drive linkage and the first clamping member together forming a parallelogram linkage; the sliding part is provided with a first sliding groove, and the power input end of the first transmission connecting rod group is movably matched with the sliding groove through a rotating shaft.
7. The propeller fixing device of claim 6 wherein the plurality of clamping mechanisms further comprises a second clamping mechanism, the second clamping mechanism and the first clamping mechanism being disposed on opposite sides of the fixed base, respectively; the second clamping mechanism comprises a first transmission rod, a second transmission connecting rod group and a second clamping piece, the second transmission connecting rod group and the second clamping piece jointly form a parallelogram connecting rod mechanism, the first transmission rod is rotatably arranged on the fixed seat, and two ends of the second transmission rod are respectively rotatably connected with the sliding piece and the power input end of the second transmission connecting rod group.
8. The propeller mounting device of claim 7 wherein the plurality of clamping mechanisms further comprises a third clamping mechanism, the third clamping mechanism being located between the first clamping mechanism and the second clamping mechanism; the third clamping mechanism comprises a second transmission rod, a third transmission connecting rod group and a third clamping piece, and the third transmission connecting rod group and the third clamping piece form a parallelogram connecting rod mechanism together;
the slider is equipped with the second spout, the second transfer line rotationally set up in the fixing base, just the one end of second transfer line through the pivot with second spout movably cooperates, the other end rotate connect in the one end of third transfer line, the other end of third transfer line connect in the power input end of third transmission linkage.
9. The propeller fixing device according to any one of claims 1 to 8, further comprising an elastic protection member provided on a side of the clamping member facing the clamping space.
10. A flying apparatus, comprising:
a flying body;
a propeller rotatably connected to the flying body, the propeller including blades; and
the propeller fixing device of any one of claims 1-9 wherein the blade can be inserted into the clamping space when the blade is at rest, and the clamping member and the fixing base clamp the blade.
11. The flying apparatus as claimed in claim 10, wherein the flying apparatus further comprises a horn movably connected to the flying body, the propeller is rotatably disposed on the horn, the propeller is a plurality of foldable propellers, and the plurality of foldable propellers are held and fixed by the holding member and the fixing base when folded relative to the horn.
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