CN220054121U - Double-tilting wing and tilting wing machine based on parallel mechanism - Google Patents
Double-tilting wing and tilting wing machine based on parallel mechanism Download PDFInfo
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- CN220054121U CN220054121U CN202321209699.3U CN202321209699U CN220054121U CN 220054121 U CN220054121 U CN 220054121U CN 202321209699 U CN202321209699 U CN 202321209699U CN 220054121 U CN220054121 U CN 220054121U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009545 invasion Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model provides a double-tilting wing and a tilting wing machine based on a parallel mechanism, wherein the double-tilting wing comprises a wing, a wing supporting structure, parallel RPS branched chains and a sealing structure, the wing supporting structure is connected with the wing through the parallel RPS branched chains, the wing supporting structure is fixed on a machine body of the tilting wing machine, the sealing structure is in closed connection with the edge of the wing supporting structure and the wing, the parallel RPS branched chains comprise three identical RPS branched chains, and the included angles between every two of the three RPS branched chains are 120 degrees.
Description
[ field of technology ]
The utility model relates to the technical field of wing structural design, in particular to a double-tilting wing based on a parallel mechanism and a tilting wing machine.
[ background Art ]
The tilting wing aircraft is a new-configuration aircraft, can vertically take off in a helicopter mode, can go through a transitional state through the angle of a tilting rotor nacelle, finally enters a fixed wing propeller aircraft mode to fly forward at a high speed, has the functions of a fixed wing aircraft and a helicopter, and has the advantages of capability of taking off and landing at a short distance, vertical take-off and landing, high cruising speed and large range. The helicopter has the capability of vertical take-off, landing and hovering of a common helicopter and the capability of high-speed cruising flight of a turboprop plane. Currently, there are two main types of tilting wing aircraft, one is a tilting rotor, and the other is a tilting wing. Tiltrotor is a unique performance rotorcraft. The aircraft is characterized in that a rotor tilting system assembly capable of rotating between a horizontal position and a vertical position is respectively arranged at two wing tips of a wing of a similar fixed-wing aircraft, when the aircraft vertically takes off and lands, a rotor shaft is vertical to the ground, is in a horizontal helicopter flight state, and can hover in the air, fly forwards and backwards and fly sideways. After the tiltrotor aircraft takes off and reaches a certain speed, the rotor shaft can tilt forward by 90 degrees to form a horizontal state, the rotor is used as a tension propeller, and the tiltrotor aircraft can remotely fly at a higher speed like a fixed-wing aircraft. The tiltrotor aircraft is similar to the tiltrotor aircraft, except that the wings of the former always rotate along the slip flow direction of the rotor together with the rotor to realize thrust reversal, and the tiltrotor aircraft has the capability of vertical take-off, landing and hovering of a common helicopter and the capability of high-speed cruising flight of a turboprop aircraft. Compared to helicopters, tiltrotor or tiltrotor aircraft combines the advantages of both a rotor and a fixed wing, wherein the aerodynamic efficiency of the tiltrotor during vertical take-off, landing and hover is significantly higher than that of the tiltrotor.
The prior art has the following defects: both the tilting rotor wing mechanism and the tilting wing structure can only rotate around the transverse axis (an axis formed by connecting two wings) of the aircraft, so that the pitching capability of the tilting rotor wing mechanism is improved, but the tilting rotor wing mechanism cannot rotate around the longitudinal axis of the aircraft, the rolling capability of the tilting rotor wing mechanism is improved, and the rolling motion of the wing is still realized through an aileron on the wing, so that the efficiency is low; all tilt wing structures adopt a series mechanism, and a rotor wing or a wing is driven to rotate through a gear drive or an actuator. The series mechanism has low load capacity and large dead weight ratio; meanwhile, the device for preventing foreign matter invasion is not provided, when the wing performs pitching motion, the space between the wing and the fuselage is not provided with the device for preventing foreign matter invasion, for example, other foreign matters such as bird strike are invaded in the pitching motion of the wing, so that the wing can not recover the original position, and the maximum cruising speed can not be provided.
Accordingly, there is a need to develop a dual tilting wing and aircraft based on a parallel mechanism to address the deficiencies of the prior art and to solve or mitigate one or more of the problems described above.
[ utility model ]
In view of the above, the utility model provides a double-tilting wing and a tilting wing machine based on a parallel mechanism, which not only can realize pitching movement of an airplane but also can realize rolling movement of the airplane, and is provided with a sealing ring to prevent foreign matters from entering between the wing and a machine body.
In one aspect, the utility model provides a dual-tilting wing based on a parallel mechanism, which is used for a tilting wing machine, and comprises a wing, a wing supporting structure, a parallel RPS branched chain and a sealing structure, wherein the wing supporting structure is connected with the wing through the parallel RPS branched chain, the wing supporting structure is fixed on a fuselage of the tilting wing machine, and the sealing structure is used for sealing and connecting the edge of the wing supporting structure with the wing.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, where the parallel RPS branches include three identical RPS branches, and the included angles between the three RPS branches are 120 °.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, where each of the three RPS branches includes an active sliding pair P, a revolute pair R, and a spherical hinge S, one end of the spherical hinge S is fixedly connected to the wing, and the other end of the spherical hinge S is connected to the revolute pair R through the active sliding pair P, and the revolute pair R is fixed to the body of the tilting wing.
As described above and any possible implementation manner, there is further provided an implementation manner, where the active sliding pair P includes a first telescopic rod and a second telescopic rod, one end of the first telescopic rod is rotatably connected with the revolute pair R, the other end of the first telescopic rod is connected with the second telescopic rod, one end of the second telescopic rod is sleeved in the first telescopic rod, and the other end of the second telescopic rod is rotatably connected with the spherical hinge S.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, where the connection part of the sliding pair with the first telescopic rod is provided with a double-ear hole, and the first telescopic rod is provided with a connection hole corresponding to the double-ear hole, and the double-ear hole is hinged with the connection hole.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, where three identical branched grooves are provided on the wing supporting structure, and the revolute pairs R of the three RPS branches are fixedly provided in the three branched grooves respectively.
The aspects and any possible implementations as described above further provide an implementation in which the wing support structure width is not less than the wing width.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, where one of the three RPS branches is disposed near a nose direction of the tilter, and the other two RPS branches are disposed near a tail direction of the tilter, and an extension direction of a mobile pair of the RPS branches near the nose direction of the tilter coincides with a central axis of the fuselage.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, the sealing structure is a sealing rubber ring, and all three branched chain grooves are disposed in the sealing rubber ring.
Aspects and any of the possible implementations described above, further provide a tilt wing aircraft including the dual tilt wing.
Compared with the prior art, the utility model can obtain the following technical effects:
according to the utility model, the wing can roll around the tilting wing machine transversely and longitudinally through the 3RPS mechanism of the parallel mechanism, the parallel mechanism has the advantage of larger bearing capacity than the serial mechanism under the condition that each moving chain can bear load, the parallel mechanism has high rigidity, each moving chain of the parallel mechanism can share load, the high rigidity ensures that the deformation on each moving chain is extremely small, the advantage of the position precision of the tail wing on the parallel mechanism is ensured, the obstacle crossing capacity, pitching capacity and the overall performance of the tilting wing machine are improved, and the sealing function of the wing and the machine body is realized through the telescopic sealing gasket, so that the phenomenon that the wing position cannot be restored due to foreign matter invasion in the pitching and rolling processes of the wing is prevented.
Of course, it is not necessary for any of the products embodying the utility model to achieve all of the technical effects described above at the same time.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed 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 utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a disassembled view of a dual tilting wing provided by one embodiment of the present utility model;
FIG. 2 is a schematic diagram of a parallel RPS branch according to one embodiment of the present utility model;
FIG. 3 is an overall view of a dual tilt wing provided by one embodiment of the present utility model;
FIG. 4 is a tilting elevation view (sealing rubber ring hidden) of a tilting machine provided by an embodiment of the present utility model;
fig. 5 is a diagram of the tilting machine rolling (sealing rubber ring hidden) provided by an embodiment of the present utility model.
Wherein, in the figure:
1-a fuselage; 2,3,4-RPS branches; 21 31, 41-revolute pair R;22 32, 42-active mobile pair P;23 33, 43-spherical hinge S;221 321, 421-first telescopic rod; 222 322, 422-second telescopic rod; 5-wing support structure; 6-sealing a rubber ring; 7-wings.
[ detailed description ] of the utility model
For a better understanding of the technical solution of the present utility model, the following detailed description of the embodiments of the present utility model refers to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The utility model provides a double-tilting wing and a tilting wing machine based on a parallel mechanism, which not only can realize pitching movement of an airplane but also can realize rolling movement of the airplane through the parallel mechanism, and a sealing ring is arranged to prevent foreign matters from entering between the wing and a machine body.
In one aspect, the utility model provides a dual-tilting wing based on a parallel mechanism, which is used for a tilting wing machine, as shown in fig. 1, and comprises a wing 7, a wing supporting structure 5, parallel RPS branches and a sealing structure, wherein the wing supporting structure 5 is connected with the wing 7 through the parallel RPS branches, the sealing structure is used for sealing and connecting the edge of the wing supporting structure 5 and the wing 7, the width of the wing supporting structure 5 is not smaller than the width of the wing 7, and the wing supporting structure 5 is fixed on the body of the tilting wing machine.
In a specific embodiment, as shown in fig. 2, the parallel RPS branches include three identical RPS branches 2 (i.e. a 3-RPS mechanism is also called a three-degree-of-freedom flexible parallel positioning mechanism), and the included angles between the three RPS branches 2 are 120 °. The three RPS branched chains 2 comprise an active moving pair P4, a revolute pair R3 and a spherical hinge S8, one end of the spherical hinge S8 is fixedly connected to the wing 7, the other end of the spherical hinge S is connected with the revolute pair R3 through the active moving pair P4, and the revolute pair R3 is fixed on the body of the tilting wing machine.
In a specific embodiment, the active sliding pair P4 (similar to a hydraulic telescopic rod, which can be telescopic in length) includes a first telescopic rod 41 and a second telescopic rod 42, one end of the first telescopic rod 41 is rotatably connected with the revolute pair R3, the other end of the first telescopic rod is connected with the second telescopic rod 42, one end of the second telescopic rod 42 is sleeved in the first telescopic rod 41, and the other end of the second telescopic rod is rotatably connected with the spherical hinge S8.
In a specific embodiment, the moving pair 3 is provided with a double ear hole at the connection part with the first telescopic rod 41, and the first telescopic rod 41 is provided with a connection hole corresponding to the double ear hole, and the double ear hole is hinged with the connection hole.
In a specific embodiment, the wing supporting structure 5 is provided with three identical branched chain grooves, and the revolute pairs R of the three RPS branched chains are respectively and fixedly arranged in the three branched chain grooves.
In a specific embodiment, one of the three RPS branches is disposed in a direction close to the nose of the tilting wing, and the other two RPS branches are disposed in a direction close to the tail of the tilting wing, and an extension direction of a moving pair of the RPS branch in the direction close to the nose of the tilting wing coincides with a central axis of the fuselage 1.
The sealing structure is a sealing rubber ring, and the three branched chain grooves are all arranged in the sealing rubber ring.
The utility model also provides a tilting wing machine, which comprises a double tilting wing and a tilting wing machine body, wherein a wing supporting structure in the double tilting wing is fixedly arranged on the tilting wing machine body.
The wing supporting structure is fixed on a machine body and used for supporting a wing, three RPS branched chains are composed of a revolute pair R, an active shifting pair P and a spherical hinge S, the revolute pair R is fixed on the machine body, the spherical hinge S is fixed on the wing, four fixed pins are arranged on the wing supporting structure, and a sealing rubber ring is arranged between the wing and the wing supporting structure.
In one implementation (pitch): as shown in fig. 4, during the take-off and landing process, the wing is driven to rotate around the transverse direction by the active moving pair P, so as to realize short-distance take-off and landing and vertical take-off and landing.
In one implementation (roll): as shown in fig. 5, in the rolling process, the wing is driven to rotate around the longitudinal direction by the active moving pair P, so that the rapid rolling of the aircraft is realized.
In one implementation (other process): during ground parking and cruising, the wing is fixed by four fixed pins mounted on the wing support structure, and it is not necessary to open the wing (make it perform pitch and roll movements).
In one implementation, the sealing rubber ring is always arranged between the wing supporting structure and the wing in any process, so that no other invaded matters (such as birds and the like) enter between the wing and the fuselage in the processes of pitching, rolling, cruising and the like, and the safety is influenced.
The double-tilting wing and the tilting wing machine based on the parallel mechanism provided by the embodiment of the utility model are described in detail. The above description of embodiments is only for aiding in the understanding of the method of the present utility model and its core ideas; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As referred to throughout the specification and claims, the terms "comprising," including, "and" includes "are intended to be interpreted as" including/comprising, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect. The description hereinafter sets forth a preferred embodiment for practicing the utility model, but is not intended to limit the scope of the utility model, as the description is given for the purpose of illustrating the general principles of the utility model. The scope of the utility model is defined by the appended claims.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as expressed herein, either as a result of the foregoing teachings or as a result of the knowledge or technology of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (10)
1. The double-tilting wing based on the parallel mechanism is used for a tilting wing machine and is characterized by comprising a wing, a wing supporting structure, parallel RPS branched chains and a sealing structure, wherein the wing supporting structure is connected with the wing through the parallel RPS branched chains, the wing supporting structure is fixed on a fuselage of the tilting wing machine, the sealing structure is used for sealing and connecting the edge of the wing supporting structure and the wing, the parallel RPS branched chains comprise three identical RPS branched chains, and the included angles between every two of the three RPS branched chains are 120 degrees.
2. The double-tilting wing according to claim 1, wherein the three RPS branches comprise an active sliding pair P, a revolute pair R and a spherical hinge S, one end of the spherical hinge S is fixedly connected to the wing, the other end of the spherical hinge S is connected to the revolute pair R through the active sliding pair P, and the revolute pair R is fixed to a body of the tilting wing.
3. The double-tilting wing according to claim 2, wherein the active moving pair P comprises a first telescopic rod and a second telescopic rod, one end of the first telescopic rod is rotatably connected with the revolute pair R, the other end of the first telescopic rod is connected with the second telescopic rod, one end of the second telescopic rod is sleeved in the first telescopic rod, and the other end of the second telescopic rod is rotatably connected with the spherical hinge S.
4. A double tilting wing according to claim 3 wherein the kinematic pair is provided with a double ear hole at the junction with the first telescopic rod, the first telescopic rod being provided with a connection hole corresponding to the double ear hole, the double ear hole being hinged to the connection hole.
5. The double-tilting wing according to claim 4, wherein the wing supporting structure is provided with three identical branched grooves, and the revolute pairs R of the three RPS branched chains are fixedly arranged in the three branched grooves respectively.
6. The dual tilt wing according to claim 1, wherein the wing support structure width is not less than the wing width.
7. The double-tilting wing according to claim 4, wherein one of the three RPS branches is disposed in a direction close to a nose of the tilting wing, and the other two RPS branches are disposed in a direction close to a tail of the tilting wing, and an extending direction of a pair of the RPS branches in the direction close to the nose of the tilting wing coincides with a central axis of the fuselage.
8. The dual tilt wing according to claim 5, wherein the sealing structure is a sealing rubber ring.
9. The dual tilt wing according to claim 8, wherein each of the three branched slots is disposed within a sealing rubber ring.
10. A tilt wing machine, characterized in that it comprises a double tilt wing according to one of the preceding claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209699.3U CN220054121U (en) | 2023-05-18 | 2023-05-18 | Double-tilting wing and tilting wing machine based on parallel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209699.3U CN220054121U (en) | 2023-05-18 | 2023-05-18 | Double-tilting wing and tilting wing machine based on parallel mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN220054121U true CN220054121U (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321209699.3U Active CN220054121U (en) | 2023-05-18 | 2023-05-18 | Double-tilting wing and tilting wing machine based on parallel mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN220054121U (en) |
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2023
- 2023-05-18 CN CN202321209699.3U patent/CN220054121U/en active Active
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