CN207748018U - A kind of rotor driver for the self-locking that can vert - Google Patents
A kind of rotor driver for the self-locking that can vert Download PDFInfo
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- CN207748018U CN207748018U CN201721795286.2U CN201721795286U CN207748018U CN 207748018 U CN207748018 U CN 207748018U CN 201721795286 U CN201721795286 U CN 201721795286U CN 207748018 U CN207748018 U CN 207748018U
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- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
A kind of rotor driver for the self-locking that can vert of the utility model, including ball-screw actuator etc., ball-screw actuator includes babinet and the first leading screw being arranged in babinet, the first feed screw nut is equipped with by ball sleeve on first leading screw, and first feed screw nut be flexibly connected with the inner wall of babinet, hollow cavity with one end open in first leading screw, the open end of first leading screw is extend out to outside babinet, second leading screw concentric with the first leading screw is provided in hollow cavity, the second feed screw nut is equipped with by ball sleeve on second leading screw, and second feed screw nut is fixedly connected with the open end end face of the first leading screw；It is additionally provided with driving device on babinet, first gear, first gear and the second gear external toothing being fixedly connected on the first feed screw nut end face are provided on the output shaft of the driving device；One end of connecting rod and the external part of the second leading screw are hinged, and one end of the other end and rocking bar is hinged, and the other end of rocking bar and the link being fixedly connected on babinet are hinged.
Description
Technical Field
The utility model belongs to the technical field of the gyroplane that verts, concretely relates to can vert rotor device of auto-lock.
Background
Tiltrotor aircraft is a rotorcraft of unique performance. The helicopter has the capabilities of vertical take-off and landing and hovering in the air of a common helicopter and the capability of high-speed cruising flight of a turboprop. The tilt rotor aircraft adopts a new thinking method to design the rotor and the overall layout of the helicopter, the design concept breaks through the category of the traditional helicopter, belongs to a rotor configuration with a new principle, is the development of the breakthrough and the leap of the helicopter technology, is a high technology with revolutionary property in the helicopter industry, and is also an inevitable result of the technical development of the helicopter, and simultaneously, because the tilt rotor aircraft has frequent major accidents, high development cost, complex technology, large difficulty and long development period, great disputes are also caused. Nevertheless, since tiltrotor aircraft integrates the advantages of helicopter vertical take-off and landing and turboprop aircraft flying at high speeds, countries around the world compete to enhance research in this regard.
Although the tilt rotor aircraft has many advantages, the tilt rotor aircraft has many immature technologies in view of the current research situation at home and abroad, and intensive research needs to be carried out in many fields. There are many problems that remain to be solved, for example, in aerodynamic disturbances, dynamics of rotors, nacelles, and wing coupling systems, flight control systems, and rotor design. The dynamics research of the rotor wing, the nacelle and the wing coupling system can lay a foundation for improving the dynamics stability of the tilt rotor aircraft and can provide a more accurate controlled object for a flight control system. The dynamic study of the tilting process of the tiltrotor aircraft can be said to be a meaningful fundamental study in the field of tiltrotors. The tilt rotor wing can complete all tasks which can be completed by the helicopter, and is particularly suitable for executing tasks in aspects of soldier/equipment assault transportation, battle search and rescue, special operation, logistics support, medical evacuation, reverse diving and the like due to the advantages of high speed, long range, large effective load and the like.
In aircraft design, many actuators require certain moving elements of a process to move other reactive elements. One example of such use is a conventional fixed wing flap impulse aircraft. In any environment, the actuators are ideally very reliable, lightweight, compact, and require minimal energy input to drive, among other requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotor device of auto-lock can vert.
The utility model discloses a following technical scheme realizes:
a rotor wing device capable of tilting and self-locking comprises a ball screw actuator, a connecting rod, a rocker and a connecting frame; wherein,
the ball screw actuator comprises a box body and a first screw arranged in the box body, wherein a first screw nut is sleeved on the first screw through a ball, the first screw nut is movably connected with the inner wall of the box body, a hollow cavity with an opening at one end is arranged in the first screw, the opening end of the first screw extends out of the box body, a second screw coaxial with the first screw is arranged in the hollow cavity, a second screw nut is sleeved on the second screw through a ball, and the second screw nut is fixedly connected with the end face of the opening end of the first screw;
the box body is also provided with a driving device, an output shaft of the driving device is provided with a first gear, the first gear is externally meshed with a second gear fixedly connected to one end face of the first lead screw nut, and the nominal diameter of the first gear is smaller than that of the second gear;
one end of the connecting rod is hinged with the extending end of the second screw rod, the other end of the connecting rod is hinged with one end of the rocker, the other end of the rocker is hinged with one end of the connecting frame, and the other end of the connecting frame is fixedly connected to the box body.
The utility model discloses further improvement lies in, is provided with two drive arrangement on the box, and two drive arrangement longitudinal symmetry set up, is provided with first gear on every drive arrangement's the output shaft.
The utility model discloses a further improvement lies in, drive arrangement is hydraulic motor or motor.
The utility model discloses a further improvement lies in, and first gear passes through the key setting on drive arrangement's output shaft.
The utility model discloses a further improvement lies in, from interior to exterior cover is equipped with axle sleeve and cylindrical roller bearing on the first lead screw nut, is provided with restriction axle sleeve and cylindrical roller bearing axial displacement's retaining ring on another terminal surface of first lead screw nut.
The utility model discloses further improvement lies in, and the one end of connecting rod is articulated through the end that stretches out of first round pin axle and second lead screw, and the other end is articulated through the one end of second round pin axle with the rocker, and the other end of rocker is articulated through the one end of third round pin axle with the link.
The utility model discloses further improvement lies in, and the drive ratio of first gear and second gear is 1: 4.
the utility model discloses following profitable technological effect has:
the utility model provides a can realize verting rotor can free rotation's system around the wing, the first aspect is through fixing the drive arrangement drive pinion rotation on the box, and the pinion drives the gear wheel rotation of fixing on big nut, and the second grade lead screw can realize that the two-stage is synchronous flexible under the promotion of nut to there is certain auto-lock ability. The second aspect is that the ball screw actuator makes linear motion, and the rocker fixed on the wing rotates through the connecting rod, so as to drive the tilting wing to rotate.
Drawings
Fig. 1 is a front view of a tiltably self-locking rotor device of the present invention;
FIG. 2 is a front view of the connecting rod;
FIG. 3 is a cross-sectional view of the connecting rod;
FIG. 4 is a front view of the rocker;
fig. 5 is a cross-sectional view of the rocker.
In the figure: 1-a first hexagon head nut, 2-a first gasket, 3-a first hexagon head bolt, 4-a box body, 5-a hydraulic motor, 6-a second hexagon head nut, 7-a second gasket, 8-a second hexagon head bolt, 9-a first lead screw, 10-a first gear, 11-a second gear, 12-a first lead screw nut, 13-a cylindrical roller bearing, 14-a third gasket, 15-a third hexagon head bolt, 16-a second lead screw nut, 17-a fourth gasket, 18-a fourth hexagon head bolt, 19-a second lead screw, 20-a first pin shaft, 21-a connecting rod, 22-a second pin shaft, 23-a rocker, 24-a connecting frame, 25-a third pin shaft and 27-a split pin.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, the utility model provides a rotor device capable of tilting and self-locking, which comprises a ball screw actuator, a connecting rod 21, a rocker 23 and a connecting frame 24.
The ball screw actuator comprises a box body 4 and a first screw 9 arranged in the box body 4, wherein a first screw nut 12 is sleeved on the first screw 9 through balls, the first screw nut 12 is movably connected with the inner wall of the box body 4, a hollow cavity with one open end is arranged in the first screw 9, the open end of the first screw 9 extends out of the box body 4, a second screw 19 which is coaxial with the first screw 9 is arranged in the hollow cavity, a second screw nut 16 is sleeved on the second screw 19 through balls, and the second screw nut 16 is fixedly connected with the end face of the open end of the first screw 9; the box body 4 is also provided with a driving device, an output shaft of the driving device is provided with a first gear 10, the first gear 10 is externally meshed with a second gear 11 fixedly connected to one end face of a first lead screw nut 12, and the nominal diameter of the first gear 10 is smaller than that of the second gear 11; one end of the connecting rod 21 is hinged with the extending end of the second screw rod 19, the other end of the connecting rod is hinged with one end of a rocker 23, the other end of the rocker 23 is hinged with one end of a connecting frame 24, and the other end of the connecting frame 24 is fixedly connected to the box body 4.
Specifically, the hydraulic motor 5 is fixedly connected to the housing 4 through a second hexagon head bolt 8, a second hexagon head nut 6, and a second gasket 7, and the first lead screw 9 is fixed to the second lead screw nut 16 through a fourth hexagon head bolt 18 and a fourth gasket 17. The first lead screw nut 12 is movably connected with the box body 7 through a cylindrical roller bearing 13 and is fixed with an inner ring of the cylindrical roller bearing 13 through a shaft sleeve, a third hexagon head bolt 15, a third gasket 14 and a retainer ring.
The second lead screw 19 is connected with the connecting rod 21 through a first pin shaft 20, the connecting rod 21 is connected with a rocker 23 through a second pin shaft 22, the rocker 23 is connected with a connecting frame 24 through a third pin shaft 25, the connecting frame 24 is fixedly connected with the box body 4 through a first hexagon head bolt 3, a first hexagon head nut 1 and a first gasket 2, and a cotter pin is arranged on the third pin shaft 25. When the ball screw actuator extends and contracts, the rocker 23 is driven by the connecting rod 21 to rotate around the third pin shaft 25 on the connecting frame 24. The four-bar linkage has high transmission reliability and large rotating moment.
Connecting frame 24 passes through bolt and nut relatively fixed with the gyroplane wing that verts, and rocker 23 is relatively fixed with the gyroplane that verts, and when ball was flexible, the connecting rod drove the rocker and rotates around fixing the connecting frame on the wing relatively to the rotation of the different angles of gyroplane that verts is realized.
The connecting rod and the rocker are both of cross rib plate structures, so that the requirement on structural strength is met, and the requirements on light weight, simple structure and high reliability are met.
For a further understanding of the present invention, the working principle thereof will now be explained as follows.
During operation, the double hydraulic motors 5 drive the first gear 10 to rotate, the first gear 10 is meshed with the second gear 11, and the second gear 11 is fixed with the first lead screw nut 12 through a bolt, so that the first gear 3 drives the second gear 11 to rotate together with the first lead screw nut 12. The first spindle nut 12 moves relative to the first spindle 9, and when the first spindle 9 has reached its maximum working length, the second spindle 19 begins to extend outward until the ball screw actuator reaches its maximum working length. The structure is compact, the expansion ratio is large, the self-locking is achieved, and the requirements of different flight states of the tilt rotor aircraft are met.
Claims (7)
1. A rotor wing device capable of tilting and self-locking is characterized by comprising a ball screw actuator, a connecting rod (21), a rocker (23) and a connecting frame (24); wherein,
the ball screw actuator comprises a box body (4) and a first screw (9) arranged in the box body (4), a first screw nut (12) is sleeved on the first screw (9) through balls, the first screw nut (12) is movably connected with the inner wall of the box body (4), a hollow cavity with one open end is arranged in the first screw (9), the open end of the first screw (9) extends out of the box body (4), a second screw (19) coaxial with the first screw (9) is arranged in the hollow cavity, a second screw nut (16) is sleeved on the second screw (19) through balls, and the second screw nut (16) is fixedly connected with the end face of the open end of the first screw (9);
the box body (4) is also provided with a driving device, an output shaft of the driving device is provided with a first gear (10), the first gear (10) is externally meshed with a second gear (11) fixedly connected to one end face of a first lead screw nut (12), and the nominal diameter of the first gear (10) is smaller than that of the second gear (11);
one end of the connecting rod (21) is hinged with the extending end of the second lead screw (19), the other end of the connecting rod is hinged with one end of the rocker (23), the other end of the rocker (23) is hinged with one end of the connecting frame (24), and the other end of the connecting frame (24) is fixedly connected to the box body (4).
2. A tiltrotor self-locking rotor wing device according to claim 1, wherein two driving devices are provided on the housing (4), and the two driving devices are disposed symmetrically up and down, and a first gear (10) is provided on an output shaft of each driving device.
3. A tiltrotor self-locking rotor apparatus according to claim 1 or 2, wherein the drive means is a hydraulic motor (5) or an electric motor.
4. Tiltrotor-self-locking rotor device according to claim 1, wherein the first gear (10) is keyed on the output shaft of the drive means.
5. The rotor wing device capable of tilting and self-locking is characterized in that a shaft sleeve and a cylindrical roller bearing (13) are sleeved on the first lead screw nut (12) from inside to outside, and a retaining ring for limiting the axial movement of the shaft sleeve and the cylindrical roller bearing (13) is arranged on the other end face of the first lead screw nut (12).
6. A tiltrotor self-locking rotor device according to claim 1, wherein one end of the connecting rod (21) is hinged to the extending end of the second lead screw (19) through a first pin (20), the other end is hinged to one end of the rocker (23) through a second pin (22), and the other end of the rocker (23) is hinged to one end of the connecting frame (24) through a third pin (25).
7. A tiltrotor self-locking rotor device according to claim 1, wherein the transmission ratio of the first gear (10) to the second gear (11) is 1: 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795286.2U CN207748018U (en) | 2017-12-20 | 2017-12-20 | A kind of rotor driver for the self-locking that can vert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795286.2U CN207748018U (en) | 2017-12-20 | 2017-12-20 | A kind of rotor driver for the self-locking that can vert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207748018U true CN207748018U (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721795286.2U Expired - Fee Related CN207748018U (en) | 2017-12-20 | 2017-12-20 | A kind of rotor driver for the self-locking that can vert |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033004A (en) * | 2017-12-20 | 2018-05-15 | 长安大学 | One kind rotary wings machine that inclines verts system |
-
2017
- 2017-12-20 CN CN201721795286.2U patent/CN207748018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033004A (en) * | 2017-12-20 | 2018-05-15 | 长安大学 | One kind rotary wings machine that inclines verts system |
| CN108033004B (en) * | 2017-12-20 | 2023-11-07 | 长安大学 | Tilting system of tilting wing machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20181220 |