CN115320837A - Special tilting mechanism for airplane - Google Patents

Abstract

The invention relates to the technical field of unmanned aerial vehicles, and discloses a special tilting mechanism for an airplane, which adopts the technical scheme that the tilting mechanism comprises wings and propellers, and is characterized in that: the nacelle comprises a nacelle shell and a tilting part positioned in the nacelle shell; the nacelle shell is independently positioned between the wings and the propellers, the wings are rotatably connected with the nacelle shell and positioned on the side surface of the nacelle shell, and the propellers are connected with the tilting part and fixedly connected with one end of the nacelle shell; the tilting part is used for driving the nacelle shell to rotate on the wing, so that the rotating plane of the propeller is parallel to or perpendicular to the flying plane of the wing, the tilting part is arranged in the nacelle shell, then the nacelle shell is independently arranged outside the wing, the tilting part is more convenient to drive the propeller to change the angle, the nacelle shell cannot occupy the inner space of the wing, the overall streamline appearance of the wing cannot be changed, the flight is more stable, and the energy saving duration is longer.

Description

Special tilting mechanism for airplane

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a tilting mechanism special for an airplane.

Background

An unmanned plane, called unmanned plane for short, is an unmanned aerial vehicle operated by utilizing a radio remote control device and a self-contained program control device, along with the rapid development of the industry, the types and functions of the unmanned aerial vehicle are continuously innovated, and many different types of aircrafts are derived, wherein a helicopter has the functions of vertical take-off and landing and hovering, but the flight speed is low, the flight distance and the flight time are difficult to improve, a fixed-wing aircraft can cruise at high speed, but the advantages of a rotor aircraft and the fixed-wing aircraft are combined by running to the sliding take-off and landing, and the unmanned aerial vehicle has the advantages of vertical take-off and landing, air hovering, long flight distance and long flight distance.

The mechanism is arranged in a nacelle, and the nacelle and the wing are integrally designed, so that the internal space of the wing is occupied, the overall appearance of the wing is not a streamline shape from thick to thin, the propeller and the wing are changed into a shape from thick to thicker, the air resistance borne by the wing during flying becomes larger, the flying energy consumption is too large, the endurance is not long enough, and the tilting mechanism is positioned in the wing, so that the maintenance is not convenient and fast.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the special tilting mechanism for the airplane, the tilting part is arranged in the nacelle shell, and then the nacelle shell is independently arranged outside the wing, so that the tilting part is more convenient when the propeller is driven to change the angle, the nacelle shell does not occupy the internal space of the wing, the overall streamline appearance of the wing is not changed, the flight is more stable, and the energy-saving endurance is longer.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special mechanism that verts of aircraft, includes wing and screw, its characterized in that: the nacelle comprises a nacelle shell and a tilting part positioned in the nacelle shell; the nacelle shell is independently positioned between the wings and the propellers, the wings are rotatably connected with the nacelle shell and positioned on the side surface of the nacelle shell, and the propellers are connected with the tilting part and fixedly connected with one end of the nacelle shell; the tilting part is used for driving the nacelle shell to rotate on the wing, so that the rotating plane of the propeller is parallel to or perpendicular to the flying plane of the wing, the tilting part is arranged in the nacelle shell, then the nacelle shell is independently arranged outside the wing, the tilting part is more convenient to drive the propeller to change the angle, the nacelle shell cannot occupy the inner space of the wing, the overall streamline appearance of the wing cannot be changed, the flight is more stable, and the energy saving duration is longer.

As a further improvement of the present invention, the tilting part comprises a reciprocating device, a connecting plate, a fixed shaft, a first partial gear, a second partial gear; the connecting plate and the connecting plate are rotatably connected to the fixed shaft, the fixed shaft penetrates through the nacelle shell to be fixedly connected with the wing, one end of the connecting plate and one end of the connecting plate are fixedly connected to the propeller, the propeller and the fixed shaft are in a vertical position relation, the first part of gears are fixedly mounted on the fixed shaft and located between the connecting plate and the connecting plate, the second part of gears are rotatably mounted between the connecting plate and meshed with the first part of gears, the reciprocating device is rotatably mounted between the connecting plate and hinged with the second part of gears, the reciprocating device is an electric pole, the electric push rod has self-adaptability, the connecting plate and the connecting plate are in running fit with the fixed shaft, the second part of gears are driven by the electric pole to rotate around the first part of gears in a meshing manner, so that the connecting plate and the connecting plate integrally drive the propeller to complete angle change, the electric pole can be self-locked, the self-locking stability is better, the loss is small, the rotating space is reduced by utilizing the meshing of the two part gears, and the angle change range from 0 degree to 90 degrees is matched, so that the space can be saved, namely, the forward flying state is the 90 degrees.

As a further improvement of the invention, the tilting part further comprises a supporting component and a limiting component; the support assembly is positioned between the connecting plate and the second part gear, is arranged at the hinged position of the reciprocating device and the second part gear and is used for abutting against a screw at the hinged position of the reciprocating device and the second part gear to prevent the screw from falling off, the limit assembly is arranged on the connecting plate, and the support assembly is connected with the limit assembly; when reciprocating device drive second part gear motion, spacing subassembly restriction supporting component moves according to the movement track of second part gear, fastens the screw through supporting component, prevents that the screw from because the condition that later appears droing when long-time, has further prolonged life, utilizes spacing subassembly to carry out spacing removal to supporting component, prevents because supporting component is along with the condition that the separation appears in the in-process that the screw removed.

As a further development of the invention, the support assembly comprises a threaded rod and a threaded sleeve; the screw thread on threaded rod and the threaded sleeve is opposite with the screw thread direction of screw, and threaded rod and threaded sleeve screw-thread fit, the threaded rod supports on the screw, and the threaded sleeve supports on the connecting plate, and is opposite with the screw thread direction of screw through the screw thread on threaded rod and the threaded sleeve for the precession direction of screw is the screw-out direction of threaded rod, makes the screw the condition that becomes flexible appear can be died by the threaded rod top of the not flexible condition appears, so that screw and threaded rod form the condition of locking each other, has guaranteed the stability of butt.

As a further improvement of the invention, the support component also comprises a clamping element and a driving labor-saving element; the driving labor-saving element comprises a screw connector, a reset spring piece, a transmission groove, a pawl and a ratchet; the transmission groove is formed in the screw connector, the screw connector is abutted to the screw and is in running fit with the threaded rod, the ratchet is arranged on the side wall of the transmission groove, the reset spring piece is fixedly arranged at one end, far away from the threaded sleeve, of the threaded rod, the side face of the pawl is abutted to the reset spring piece and is rotatably arranged at one end, far away from the threaded sleeve, of the threaded rod, and the pawl and the ratchet are abutted to each other; the joint component is used for becoming a whole with threaded rod and threaded sleeve, make the laborsaving component drive screw of drive fasten, cooperation through utilizing pawl and ratchet, when making the motion of threaded rod drive pawl, the pawl can rotate towards a direction drive screwed joint head, the antiport then is idle running state, and then precession and the screw-out through screwed joint head control screw, conveniently overhaul temporarily, and the installation initial stage also can play convenient effect, and the precession of corotation drive screw has been solved, the problem that the screw was unscrewed can not be driven in the reversal, so that make the better power of staff, needn't circular motion, only need just the counterrotation threaded rod can, make the space problem do not exert oneself the condition of power rotation a week and can solve well.

As a further improvement of the invention, the clamping element comprises a leather sheath, a sliding groove, a clamping block, a connecting rod and a clamping groove; the sliding groove is seted up on screw sleeve circumference side, and communicate with the inside thread groove of screw sleeve, the joint groove is seted up on threaded rod circumference side, joint piece slidable mounting is in the sliding groove, leather sheath fixed mounting is on screw sleeve circumference side and covers the sliding groove, through connecting rod fixed connection between leather sheath and the joint piece, send out power drive connecting rod through staff's hand and promote the joint piece and get into the joint groove, make screw sleeve and threaded rod become a whole, better power drive screwed joint head fastens, the situation that drops appears when preventing to rotate threaded rod or screw sleeve one of them, make threaded rod and cooperation.

As a further improvement of the present invention, the support assembly further comprises an engagement member; the connecting element comprises a rotating plate, a ball groove, a hemisphere, a clamping plate and a rotating wheel; the ball groove is seted up on screw sleeve circumference side, the joint board rotates and installs the one end of keeping away from the threaded rod at screw sleeve, rotor plate and joint board fixed connection, hemisphere fixed mounting is in the rotor plate near the one side of screw sleeve circumference side, and with the ball groove joint, the turning wheel rotates and installs on the rotor plate, be located between joint board and the rotor plate, carry out the joint through utilizing ball groove and hemisphere cooperation, then utilize the joint board to carry out the joint to the connecting plate, then the cooperation turning wheel butt is on the connecting plate, form the state that the cooperation screw removed, so that the screw is firm.

As a further improvement of the invention, the engaging element further comprises a bevel block, a spring groove, a return spring and a matching groove; spring groove sets up on screw sleeve circumference side to be located the ball groove upside, the cooperation groove sets up on the rotor plate, and the inclined plane piece is the inclined plane with cooperation groove sliding fit's one side, reset spring one end and inclined plane piece fixed connection, the other end and spring groove diapire fixed connection, through adding on the ball groove and establishing the inclined plane piece, so that owing to do not good power of having an effect separation behind the joint component joint, make the inclined plane piece can drive the rotor plate and separate, so that the convenient separation of joint position.

As a further improvement of the invention, the limiting component comprises a guide rail, a sliding block, a clamping groove and a through groove; the through groove is opened on the connecting plate, and the radian that runs through the groove matches with the screw removal orbit, and the one side of screw is kept away from to guide rail fixed connection board, and the guide rail matches with the through groove, and slider slidable mounting is on the guide rail, and the draw-in groove is opened on the slider, and joint board and draw-in groove joint are led through adding guide rail and slider cooperation joint board of establishing for it is more stable to remove.

The invention has the beneficial effects that:

(1) According to the invention, the tilting part is arranged in the nacelle shell, and then the nacelle shell is independently arranged outside the wing, so that the tilting part is more convenient when the propeller is driven to change the angle, the nacelle shell does not occupy the internal space of the wing, the size and the weight are saved, the flight is more stable, and the energy is saved for a longer time.

(2) The electric push rod drives the second part gear to rotate around the first part gear in a meshed mode through the electric pole, so that the connecting plate and the connecting plate integrally drive the propeller to complete angle change, the electric push rod has self-following performance, the electric pole can be self-locked, the self-locking stability is better, the loss is small, the rotating space is reduced by utilizing the meshing of the two part gears, and the space can be saved by matching with the angle change range from 0 degree to 90 degrees.

(3) The screw is fastened through the support component, the situation that the screw falls off after a long time is prevented, the service life is further prolonged, the support component is limited and moved through the limit component, the situation that the support component is separated in the process of moving along with the screw is prevented, the screwing-in direction of the screw is the screwing-out direction of the threaded rod through the threads on the threaded rod and the threaded sleeve and the opposite direction of the threads of the screw, the screw is loosened and can be deadly pushed by the threaded rod under the condition that the screw and the threaded rod are loosened, and the abutting stability is guaranteed.

(4) According to the invention, through the cooperation of the pawl and the ratchet, when the screw rod drives the pawl to move, the pawl can drive the screw connector to rotate towards one direction, and the reverse rotation is in an idle rotation state, so that the screw can be controlled to be screwed in and out through the screw connector, the screw connector is convenient to temporarily overhaul, and the screw connector also can play a role of convenience at the initial installation stage, and the problem that the screw cannot be driven to be screwed out in the forward rotation and reverse rotation is solved, so that a worker can exert better force without circular motion, only the screw rod needs to be driven in the forward rotation and reverse rotation, and the problem of poor space and the problem of difficulty in exerting force to rotate for one circle is solved.

(5) Exert oneself through staff's hand and drive the connecting rod and promote the joint piece and get into the joint groove for threaded sleeve becomes a whole with the threaded rod, and better exert oneself and drive the screwed connection head and fasten, appears the situation that drops when preventing to rotate threaded rod or one of them, makes threaded rod and cooperation.

(6) According to the invention, the spherical groove is matched with the hemispheroid for clamping, then the clamping plate is used for clamping the connecting plate, and then the rotating wheel is matched with the connecting plate to abut against the connecting plate to form a state of matching with the movement of the screw, so that the screw is stable, the inclined surface block is additionally arranged on the spherical groove, so that the rotating plate can be driven by the inclined surface block to separate due to poor force separation after the clamping element is clamped, so that the clamping position is conveniently separated, and the guide rail and the sliding block are additionally arranged to match with the clamping plate for guiding, so that the movement is more stable.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the present invention in front flight;

FIG. 3 is a schematic view of the internal structure of the propeller of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the present invention at the tilting portion of FIG. 3;

FIG. 5 is an enlarged schematic view of the stop assembly of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of the internal structure of the shuttle of FIG. 4 in accordance with the present invention;

FIG. 7 is a schematic view of the structure of the support assembly of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic bottom view of the present invention shown in FIG. 7;

FIG. 9 is a schematic cross-sectional view of FIG. 7 of the present invention;

fig. 10 is a schematic view of the internal structure of the invention at the location of the actuation of the labor-saving element of fig. 7.

Reference numerals are as follows: 1. an airfoil; 2. a nacelle housing; 3. a propeller; 4. a tilting section; 41. a reciprocating device; 42. a connecting plate; 43. a connector tile; 44. a fixed shaft; 46. a first partial gear; 47. a limiting component; 471. a guide rail; 472. a slider; 473. a card slot; 474. a through slot; 48. a second partial gear; 5. a support assembly; 51. a threaded rod; 511. a clamping groove; 52. a threaded sleeve; 53. driving the labor-saving element; 531. a screw connector; 532. resetting the spring piece; 533. a transmission groove; 534. a pawl; 535. a ratchet; 54. a clamping element; 541. a leather sheath; 542. a sliding groove; 543. a clamping block; 544. a connecting rod; 55. an engaging member; 551. a rotating plate; 552. a ball groove; 553. a hemisphere; 554. a clamping plate; 555. a rotating wheel; 6. a bevel block; 61. a spring slot; 62. a return spring; 63. the mating grooves.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 10, the aircraft-specific tilting mechanism of the present embodiment includes a wing 1 and a propeller 3, and is characterized in that: the nacelle also comprises a nacelle shell 2 and a tilting part 4 positioned in the nacelle shell 2; the nacelle shell 2 is independently positioned between the wing 1 and the propeller 3, the wing 1 is rotatably connected with the nacelle shell 2 and positioned on the side surface of the nacelle shell 2, and the propeller 3 is connected with the tilting part 4 and fixedly connected with one end of the nacelle shell 2; tilting portion 4 is used for driving nacelle shell 2 to rotate on wing 1, so that the rotation plane of screw 3 and the plane that flies before wing 1 are parallel or perpendicular, through setting tilting portion 4 in nacelle shell 2, then nacelle shell 2 independently sets up in 1 outside of wing, make tilting portion 4 more convenient when driving screw 3 to carry out the angle change, nacelle shell 2 can not occupy 1 inner space of wing, the whole streamline appearance of wing 1 can not have changed, thereby make the flight can be more stable, the energy saving duration is more of a specified duration.

As shown in fig. 1 to 7, the tilting part 4 includes a reciprocating device 41, a connecting plate 42, a connecting plate 43, a fixed shaft 44, a first partial gear 46, a second partial gear 48; the connecting plate 42 and the connecting plate 43 are both rotatably connected to a fixed shaft 44, the fixed shaft 44 passes through the nacelle housing 2 and is fixedly connected with the wing 1, one end of the connecting plate 42 and the connecting plate 43 is fixedly connected to the propeller 3, the propeller 3 is in a vertical position relation with the fixed shaft 44, a first part gear 46 is fixedly arranged on the fixed shaft 44 and is positioned between the connecting plate 42 and the connecting plate 43, a second part gear 48 is rotatably arranged between the connecting plate 42 and the connecting plate 43 and is meshed with the first part gear 46, a reciprocating device 41 is rotatably arranged between the connecting plate 42 and the connecting plate 43 and is hinged with the second part gear 48, the reciprocating device 41 is an electric pole, the connecting plate 42 and the connecting plate 43 are rotatably matched with the fixed shaft 44, the second part gear 48 is driven by the electric pole to enable the second part gear 48 to rotate around the first part gear 46, so that the connecting plate 42 and the connecting plate 43 integrally drive the propeller 3 to complete angle change, and the electric pole can be self-locked, the self-locking degree of the self-locking is better, the loss is small, the rotating space is matched with the angle change range of 0-90 degrees, and the space is saved.

As shown in fig. 2 to 8, the tilting portion 4 further includes a support assembly 5 and a limit assembly 47; the supporting component 5 is positioned between the connecting plate 42 and the second partial gear 48, is arranged at the hinged position of the reciprocating device 41 and the second partial gear 48 and is used for abutting against the screw at the hinged position of the reciprocating device 41 and the second partial gear 48 to prevent the screw from falling off, the limiting component 47 is arranged on the connecting plate 42, and the supporting component 5 is connected with the limiting component 47; when the reciprocating device 41 drives the second part gear 48 to move, the limiting component 47 limits the supporting component 5 to move according to the movement track of the second part gear 48, the screw is fastened through the supporting component 5, the screw is prevented from falling off after a long time, the service life is further prolonged, the limiting component 47 is used for limiting the supporting component 5, and the situation that the supporting component 5 is separated along with the movement of the screw is prevented.

As shown in fig. 4-10, the support assembly 5 includes a threaded rod 51 and a threaded sleeve 52; the screw thread on threaded rod 51 and the threaded sleeve 52 is opposite with the screw thread direction of screw, threaded rod 51 and the threaded sleeve 52 screw-thread fit, threaded rod 51 supports on the screw, threaded sleeve 52 supports on connecting plate 42, the screw thread through on threaded rod 51 and the threaded sleeve 52 is opposite with the screw thread direction of screw, make the precession direction of screw be threaded rod 51's the direction of unscrewing, make the screw appear not hard up the condition can be died by the threaded rod 51 of the condition that becomes flexible appearing, so that screw and threaded rod 51 form the condition of locking each other, the stability of butt has been guaranteed.

As shown in fig. 2-10, the support assembly 5 further comprises a catch element 54 and a drive saving element 53; the driving laborsaving element 53 comprises a screw connector 531, a return spring 62 piece 532, a transmission groove 533, a pawl 534 and a ratchet 535; the transmission groove 533 is arranged in the screw connector 531, the screw connector 531 is abutted with a screw and is in running fit with the threaded rod 51, the ratchet 535 is arranged on the side wall of the transmission groove 533, the return spring 62 piece 532 is fixedly arranged at one end of the threaded rod 51 far away from the threaded sleeve 52, the side surface of the pawl 534 is abutted against the return spring 62 piece 532 and is rotatably arranged at one end of the threaded rod 51 far away from the threaded sleeve 52, and the pawl 534 and the ratchet 535 are abutted with each other; the clamping element 54 is used for integrating the threaded rod 51 and the threaded sleeve 52 into a whole, so that the labor-saving driving element 53 drives the screw to fasten, by utilizing the matching of the pawl 534 and the ratchet 535, when the pawl 534 is driven by the threaded rod 51 to move, the pawl 534 can drive the screw connector 531 to rotate towards one direction, the reverse rotation is in an idle running state, the screw screwing-in and screwing-out are controlled by the screw connector 531, the temporary overhaul is convenient, the convenience is realized in the initial installation stage, the problem that the screw is driven to screw in forward rotation and not driven to screw out in reverse rotation is solved, the force is better generated by a worker, the screw rod 51 does not need to be driven to rotate in forward and reverse directions, the problem of space is solved, and the problem that the screw rod 51 does not need to rotate in forward and reverse rotation for one circle is not good.

As shown in fig. 3-10, the engaging element 54 comprises a leather sheath 541, a sliding slot 542, an engaging block 543, a connecting rod 544 and an engaging slot 511; sliding tray 542 sets up on the 52 circumference side of threaded sleeve, and communicate with the inside thread groove of threaded sleeve 52, joint groove 511 sets up on threaded rod 51 circumference side, joint piece 543 slidable mounting is in sliding tray 542, leather sheath 541 fixed mounting is on the 52 circumference side of threaded sleeve and covers sliding tray 542, through connecting rod 544 fixed connection between leather sheath 541 and the joint piece 543, send out power drive connecting rod 544 through staff's hand and promote joint piece 543 and get into joint groove 511, make threaded sleeve 52 become a whole with threaded rod 51, better send out power drive screwed joint 531 fastens, the situation that drops appears when preventing to rotate threaded rod 51 or threaded sleeve 52 one of them, make threaded rod 51 and cooperation.

As shown in fig. 7-10, the support assembly 5 further includes an engagement member 55; the engaging member 55 includes a rotating plate 551, a ball slot 552, a hemisphere 553, a snap plate 554, and a rotating wheel 555; ball groove 552 is seted up on threaded sleeve 52 circumference side, joint plate 554 rotates and installs the one end of keeping away from threaded rod 51 at threaded sleeve 52, rotor plate 551 and joint plate 554 fixed connection, hemisphere 553 fixed mounting is on the one side that rotor plate 551 is close to threaded sleeve 52 circumference side, and with ball groove 552 joint, it installs on rotor plate 551 to rotate wheel 555, be located between joint plate 554 and the rotor plate 551, carry out the joint through utilizing ball groove 552 and hemisphere 553 cooperation, then utilize joint plate 554 to carry out the joint to connecting plate 42, then cooperate and rotate wheel 555 butt on connecting plate 42, form the state that the cooperation screw removed, so that the screw is firm.

As shown in fig. 7-10, the engagement member 55 further includes a ramp block 6, a spring slot 61, a return spring 62, and a mating slot 63; the spring groove 61 is formed in the circumferential side face of the threaded sleeve 52 and located above the ball groove 552, the matching groove 63 is formed in the rotating plate 551, one face of the inclined plane block 6, which is in sliding fit with the matching groove 63, is an inclined plane, one end of the return spring 62 is fixedly connected with the inclined plane block 6, the other end of the return spring is fixedly connected with the bottom wall of the spring groove 61, and the inclined plane block 6 is additionally arranged on the ball groove 552, so that the inclined plane block 6 can drive the rotating plate 551 to separate due to poor force separation after the clamping element 54 is clamped, and the clamping position is separated conveniently.

As shown in fig. 2-9, the restraining assembly 47 includes a guide rail 471, a slider 472, a card slot 473, and a through slot 474; run through groove 474 and set up on connecting plate 42, run through the radian and the screw movement track phase-match of groove 474, guide rail 471 fixed connection plate 42 keeps away from the one side of screw, guide rail 471 and run through groove 474 phase-match, slider 472 slidable mounting is on guide rail 471, draw-in groove 473 sets up on slider 472, joint board 554 and draw-in groove 473 joint, lead through setting up guide rail 471 and slider 472 cooperation joint board 554 additional for it is more stable to move.

The working principle is as follows: as shown in fig. 1-10, when the angle of the propeller 3 needs to be changed, the reciprocating device 41 is actuated to extend the electric pole, so that the second part gear 48 rotates to engage with the first part gear 46, and the track of the second part gear 48 is in an arc state, so that the support assembly 5 is clamped on the sliding block 472 to move according to the track of the sliding rail, so that the screw cannot be loosened, because the first part gear 46 is fixedly mounted on the fixed shaft 44, the connecting plate 42 and the connecting plate 43 rotate around the fixed shaft 44, and then the connecting plate 42 and the connecting plate 43 drive the propeller 3 to change the angle around the fixed shaft 44, thereby completing the state switching of forward flight and takeoff.

When the screw is installed, as shown in fig. 7-10, the screw connector 531 is pressed against the screw, then the leather sheath 541 is manually pressed, so that the connecting rod 544 pushes the clamping block 543 to enter the clamping groove 511, thereby the threaded rod 51 and the threaded sleeve 52 become an integral body, then the integral body of the supporting component 5 is manually rotated by any angle between 1 and 360 degrees each time, then the supporting component 5 is reversely rotated, because the screw connector 531 is pressed against the screw, when the screw is screwed, the pawl 534 drives the screw connector 531 to transmit, when the screw is reversely rotated, the pawl 534 is limited by the ratchet 535 to realize idle rotation, when the screw is reversely rotated, the reset spring 62 piece 532 and the ratchet 535 are matched to enable the pawl 534 to drive the screw connector 531, so that the state that the screw is screwed and does not rotate for more than one circle can not appear when the screw is installed, when the leather sleeve 541 is loosened, the clamping block 543 is separated from the clamping groove 511, so that the threaded sleeve 52 is rotated, the overall length of the threaded rod 51 and the threaded sleeve 52 is increased, and the screw is jacked, because the rotation direction of the screw is opposite to that of the threaded rod 51, so that the jacking is more thorough, then after the clamping plate 554 passes through the through groove 474, the rotating plate 551 is rotated, the hemispheroid 553 is clamped in the ball clamping groove 552, so that the clamping plate 554 faces the clamping groove 473, then clamping is carried out, so that the threaded sleeve 52 is completely clamped on the connecting plate 42, and when the threaded sleeve 52 moves, the rotating wheel 555 rotates to facilitate movement and avoid power consumption.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.

Claims (9)

1. The utility model provides a special mechanism that verts of aircraft, includes wing (1) and screw (3), its characterized in that: the nacelle also comprises a nacelle shell (2) and a tilting part (4) positioned in the nacelle shell (2);

the nacelle shell (2) is independently positioned between the wing (1) and the propeller (3), the wing (1) is rotatably connected with the nacelle shell (2) and positioned on the side surface of the nacelle shell (2), and the propeller (3) is connected with the tilting part (4) and fixedly connected with one end of the nacelle shell (2);

the tilting part (4) is used for driving the nacelle shell (2) to rotate on the wing (1) so that the rotating plane of the propeller (3) is parallel to or perpendicular to the front flying plane of the wing (1).

2. The aircraft specific tilter mechanism of claim 1, wherein: the tilting part (4) comprises a reciprocating device (41), a connecting plate (42), a connecting plate (43), a fixed shaft (44), a first part gear (46) and a second part gear (48);

the connecting plate (42) and the connecting plate (43) are both rotatably connected to a fixed shaft (44), the fixed shaft (44) penetrates through the nacelle shell (2) and is fixedly connected with the wing (1), one end of the connecting plate (42) and one end of the connecting plate (43) are fixedly connected to a propeller (3), the propeller (3) and the fixed shaft (44) are in vertical position, a first part of gear (46) is fixedly arranged on the fixed shaft (44) and is positioned between the connecting plate (42) and the connecting plate (43), a second part of gear (48) is rotatably arranged between the connecting plate (42) and the connecting plate (43) and is meshed with the first part of gear (46), a reciprocating device (41) is rotatably arranged between the connecting plate (42) and the connecting plate (43) and is hinged with the second part of gear (48), and the connecting plate (42) and the connecting plate (43) are rotatably matched with the fixed shaft (44).

3. An aircraft specific tilt mechanism according to claim 2, wherein: the tilting part (4) further comprises a supporting component (5) and a limiting component (47);

the supporting assembly (5) is located between the connecting plate (42) and the second part gear (48), arranged at the hinged position of the reciprocating device (41) and the second part gear (48) and used for abutting against screws at the hinged position of the reciprocating device (41) and the second part gear (48) to prevent the screws from falling off, the limiting assembly (47) is arranged on the connecting plate (42), and the supporting assembly (5) is connected with the limiting assembly (47);

when the reciprocating device (41) drives the second partial gear (48) to move, the limiting component (47) limits the support component (5) to move according to the motion track of the second partial gear (48).

4. The aircraft specific tilter mechanism of claim 3, wherein: the support assembly (5) comprises a threaded rod (51) and a threaded sleeve (52);

the screw thread direction on threaded rod (51) and threaded sleeve (52) is opposite with the screw thread direction of screw, and threaded rod (51) and threaded sleeve (52) screw-thread fit, threaded rod (51) are supported on the screw, and threaded sleeve (52) are supported on connecting plate (42).

5. The aircraft specific tilter mechanism of claim 4, wherein: the supporting component (5) further comprises a clamping element (54) and a labor-saving driving element (53);

the driving labor-saving element (53) comprises a screw connector (531), a reset spring piece (532), a transmission groove (533), a pawl (534) and a ratchet (535);

the transmission groove (533) is formed in the screw connector (531), the screw connector (531) is abutted to a screw and is in running fit with the threaded rod (51), the ratchet (535) is arranged on the side wall of the transmission groove (533), the reset spring piece (532) is fixedly arranged at one end, far away from the threaded sleeve (52), of the threaded rod (51), the side face of the pawl (534) abuts against the reset spring piece (532) and is rotatably arranged at one end, far away from the threaded sleeve (52), of the threaded rod (51), and the pawl (534) and the ratchet (535) are abutted to each other;

the clamping element (54) is used for integrating the threaded rod (51) and the threaded sleeve (52) so that the labor-saving element (53) is driven to drive the screw to be fastened.

6. The aircraft specific tilter mechanism of claim 5, wherein: the clamping element (54) comprises a leather sheath (541), a sliding groove (542), a clamping block (543), a connecting rod (544) and a clamping groove (511);

set up on threaded sleeve (52) circumference side sliding tray (542) to communicate with the inside thread groove of threaded sleeve (52), set up on threaded rod (51) circumference side clamping tray (511), clamping tray (543) slidable mounting is in sliding tray (542), leather sheath (541) fixed mounting is on threaded sleeve (52) circumference side and covers sliding tray (542), pass through connecting rod (544) fixed connection between leather sheath (541) and clamping tray (543).

7. The aircraft specific tilter mechanism of claim 4, wherein: the support assembly (5) further comprises an engagement element (55);

the engaging element (55) comprises a rotating plate (551), a ball groove (552), a semi-sphere (553), a clamping plate (554) and a rotating wheel (555);

ball groove (552) are seted up on screw sleeve (52) circumference side, joint board (554) are rotated and are installed in screw sleeve (52) one end of keeping away from threaded rod (51), rotor plate (551) and joint board (554) fixed connection, hemisphere (553) fixed mounting is on rotor plate (551) is close to the one side of screw sleeve (52) circumference side to with ball groove (552) joint, it installs on rotor plate (551) to rotate wheel (555), be located between joint board (554) and rotor plate (551).

8. An aircraft specific tilter mechanism as claimed in claim 7, wherein: the engaging element (55) further comprises a bevel block (6), a spring groove (61), a return spring (62) and a matching groove (63);

the spring groove (61) is formed in the circumferential side face of the threaded sleeve (52) and located on the upper side of the ball groove (552), the matching groove (63) is formed in the rotating plate (551), one face, in sliding fit, of the inclined plane block (6) and the matching groove (63) is an inclined plane, one end of the reset spring (62) is fixedly connected with the inclined plane block (6), and the other end of the reset spring is fixedly connected with the bottom wall of the spring groove (61).

9. An aircraft specific tilt mechanism according to claim 7, wherein: the limiting assembly (47) comprises a guide rail (471), a sliding block (472), a clamping groove (473) and a through groove (474);

the through groove (474) is formed in the connecting plate (42), the radian of the through groove (474) is matched with the moving track of the screw, the guide rail (471) is used for fixing one face, away from the screw, of the connecting plate (42), the guide rail (471) is matched with the through groove (474), the sliding block (472) is installed on the guide rail (471) in a sliding mode, the clamping groove (473) is formed in the sliding block (472), and the clamping plate (554) is clamped with the clamping groove (473).

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