CN109649672A - A kind of unmanned aircraft launching apparatus of fixed-wing - Google Patents
A kind of unmanned aircraft launching apparatus of fixed-wing Download PDFInfo
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- CN109649672A CN109649672A CN201910046024.3A CN201910046024A CN109649672A CN 109649672 A CN109649672 A CN 109649672A CN 201910046024 A CN201910046024 A CN 201910046024A CN 109649672 A CN109649672 A CN 109649672A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Ground or aircraft-carrier-deck installations for launching aircraft
- B64F1/06—Ground or aircraft-carrier-deck installations for launching aircraft using catapults
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Abstract
The present invention discloses a kind of unmanned aircraft launching apparatus of fixed-wing, including launching cradle, catapult car and ejection driving mechanism；The catapult car includes front fixed part and rear support portion, and the front fixed part includes fixed frame and front jocket wheel, and the rear support portion includes support frame and rear guide wheel, and the fixed frame and support frame are hinged；The second guide rail that the launching cradle is equipped with the first guide rail for guiding front jocket wheel to walk and walks for guide wheel after guiding, first guide rail is arranged along the direction of motion of catapult car relative to launching cradle diagonally downward, and second guide rail is arranged in parallel with launching cradle；It further include anticreep actuator, which includes vertical bar and arc shaped hook, and the fixed frame is equipped with the cross bar for limiting the forward movement of anticreep actuator.The present invention can allow fixed-wing unmanned plane first to start and be placed on catapult car again, so that it is guaranteed that unmanned plane can smoothly fly after being detached from catapult car, avoid air crash.
Description
Technical field
The present invention relates to a kind of unmanned aircraft launching apparatus, and in particular to a kind of unmanned aircraft launching apparatus of fixed-wing.
Background technique
Agricultural aviation technology lead under precision agriculture be in recent years National agricultural development emphasis, have operating efficiency
It is high, operating cost is low, the features such as having fewer environmental impacts.It is currently used for the ratio that takes off of the small-sized fixed-wing unmanned plane of agricultural operation
It is more traditional, take off generally by runway or operator's hand throw it is winged.
In addition, occurring a kind of fixed-wing unmanned aerial vehicle ejecting frame in the market, specifically using stretch cord or spring as energy storage
Medium partially uses hydraulic cylinder or pneumatic cylinder, promotes unmanned plane to upspring before activation and be shot out, then pass through remote control control
Unmanned plane starting, it is final to realize taking off for unmanned plane.It is certain that this launching cradle can give unmanned plane before unmanned plane starting
Kinetic energy, taking off compared to runway, it is winged to throw with hand, and the power that unmanned plane obtains is more sufficient and more stable, to be conducive to
Unmanned plane smoothly takes off；But unmanned plane with inertia leave launching cradle it is hanging when, since unmanned plane is still inactive, if artificial
Remote control starting failure, unmanned plane then can directly be fallen, this undoubtedly causes serious damage to unmanned plane；Meanwhile unmanned aerial vehicle ejecting
After leaving launching cradle, unmanned plane is easy to be affected by the external environment due to inactive, and unmanned plane flies under non-power state
Row course line is unable to control, and carries out manual remote control starting at this time, and starting success rate is necessarily affected, and eventually results in unmanned plane
It falls and damages.
To solve the above problems, can first start unmanned plane before taking off by launching cradle, then take advantage of a situation in launching cradle
It drives lower realize to take off, this makes it possible to ensure that unmanned plane leaves normal flight after launching cradle, avoids unmanned plane from falling, but existing
Do not occur a kind of aircraft launching apparatus that can adapt to fixed-wing unmanned plane and first start in technology.
Summary of the invention
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of unmanned aircraft launching apparatus of fixed-wing, the equipment
The fixed-wing unmanned plane first started can be allowed smoothly to take off, unmanned plane is avoided to fall in take-off process.
The purpose of the present invention is achieved through the following technical solutions:
A kind of unmanned aircraft launching apparatus of fixed-wing, including launching cradle, the catapult car being arranged on launching cradle and driving bullet
Penetrate the ejection driving mechanism that vehicle moves on launching cradle；It is characterized in that, the catapult car includes front fixed part and rear support
Portion, the front fixed part include fixed frame and the front jocket wheel that is arranged on fixed frame, the rear support portion include support frame with
And the rear guide wheel of setting on the support frame, the fixed frame and support frame are hinged；The launching cradle is equipped with leading for guiding
The second guide rail taking turns the first guide rail of walking and walking for guide wheel after guiding, the launching cradle is obliquely installed and its is lower
One end is the beginning of catapult car movement, and the higher one end of launching cradle is the end of catapult car movement, and first guide rail is along bullet
The direction of motion for penetrating vehicle is arranged diagonally downward relative to launching cradle, and second guide rail is arranged in parallel with launching cradle；It further include preventing
De- actuator, which includes vertical bar and the arc shaped hook that vertical bar upper end is arranged in, the top of the arc shaped hook
It is connect with the front bottom end of unmanned plane, the fixed frame is equipped with the cross bar for limiting the forward movement of anticreep actuator；It takes off
Before, unmanned plane to be taken off is placed on fixed frame and support frame, and the vertical bar of the anticreep actuator is located at the front of cross bar,
The arc is hooked on cross bar and the opening of arc shaped hook is located on rear side of cross bar.
The working principle of the above-mentioned unmanned aircraft launching apparatus of fixed-wing is:
Firstly, catapult car to be moved to the beginning of launching cradle, and unmanned plane is placed on catapult car, wherein unmanned plane
Front bottom end be supported on fixed frame, and the vertical bar of the anticreep actuator is located at the front side of cross bar, and arc is hooked on cross
On bar, the opening of arc shaped hook is located at the rear side of cross bar, and unmanned plane rear end supports on the support frame；Then, start unmanned plane, at this time
Since unmanned plane has the trend of forward movement after actuation, but since the arc is hooked on cross bar, cross bar can hinder
It keeps off unmanned plane to move forward, be rested on catapult car so that unmanned plane is still firm before obtaining power and taking off, with anti-detachment ejection
Frame can not be successfully and obtain power and take off；Then, the catapult car fast forward movement under the drive of ejection driving mechanism,
Since the vertical bar is located at the front side of cross bar, it is able to drive unmanned plane when catapult car moves forward and moves ahead, is filled
The power of foot；And catapult car drive unmanned plane move forward when, due to the first guide rail relative to launching cradle diagonally downward, and
Fixed frame is hinged with support frame, therefore cross bar when entire catapult car forward movement on the fixed frame can drop gradually downward
It falls, and leaves the range of arc shaped hook by the opening of arc shaped hook, while unmanned plane is gradually obtained when moving forward with catapult car
Power, unmanned plane generate buoyancy, and the front end of unmanned plane slowly rises；Arc shaped hook is left in this way, being gradually reduced in cross bar, while nothing
In the case that man-machine front end is gradually increasing, the cross bar is no longer to the forward generation inhibition of unmanned plane；Finally, catapult car
Launching cradle end is moved to, unmanned plane leaves launching cradle and flight forward with inertia, completely disengages launching apparatus, realization is taken off.
A preferred embodiment of the invention, the fixed frame are equipped with two groups of front jocket wheels, which vertically arranges
Column setting；The launching cradle is equipped with two groups and matched first guide rail of front jocket wheel, and the tilt angle one of two group of first guide rail
It causes.By the way that two groups of front jocket wheels are arranged, fixed frame is steadily landed gradually downward when moving forward, avoids landing
Unmanned plane is caused to be detached from catapult car when not obtaining enough power fastly, it is ensured that unmanned plane smoothly takes off.
Preferably, the fixed frame includes main body bar and two guide wheel bars being arranged on main body bar, before described two groups
Guide wheel is rotatably connected on the both ends of corresponding guide wheel bar respectively；The upper end of the main body bar is equipped with the stop bracket of " mouth " font, should
The mandril of stop bracket constitutes the cross bar；It is additionally provided with the first hinge bar on the main body bar, one end of first hinge bar and master
The middle part of body rod connects, and the other end extends back.It is simple and slim and graceful that such fixed rack structure is set.
Preferably, support frame as described above is made of interconnecting piece and support portion；Wherein, the interconnecting piece include the second hinge bar with
And the mounting assembly for guide wheel after installing, one end of second hinge bar are fixedly connected with mounting assembly, the other end is forward
Extend and hinged with first hinge bar；The support portion includes two support rods being oppositely arranged and intermediate connection frame,
The lower end of described two support rods is connected to the top both ends of intermediate connection frame, and the lower end of the intermediate connection frame is connected to
In the mounting assembly.When placing unmanned plane, the wing tail portion of unmanned plane is placed on two support rods, can either be propped up in this way
Unmanned plane is supportted, the contact area of unmanned plane and support frame is also can be reduced, advantageously reduces friction when unmanned plane leaves launching cradle,
Reduce the kinetic equation loss to unmanned plane, it is ensured that there is unmanned plane sufficient power to take off.
Preferably, pulley is equipped at the top of described two support rods.After catapult car moves to the end of launching cradle, nothing
Man-machine wing, which can take advantage of a situation to slide under the action of pulley, leaves catapult car, and realization is taken off；The design of pulley can be further
The power consumption to unmanned plane is reduced, it is advantageously ensured that unmanned plane can smoothly take off.
Preferably, the intermediate connection frame is equipped with auxiliary support bar, and the upper end of the auxiliary support bar is equipped with auxiliary wheel, institute
State the front that two pulleys are arranged in auxiliary wheel.When catapult car moves to the middle section of launching cradle, if the cross bar on fixed frame is
Left arc shaped hook, but when unmanned plane not there is enough power realizations to take off yet leave catapult car (or caused by unmanned plane
Buoyancy is not enough to promote the front end of unmanned plane to rise), only two on support frame pulley is supported the wing of unmanned plane,
The anticreep actuator of unmanned plane front end can undoubtedly continue to hang on cross bar under gravity, can not be detached from cross bar and be risen
Fly, or even after catapult car moves to the end of launching cradle, the arc shaped hook of the anticreep actuator of unmanned plane front end still hangs over cross bar
On, unmanned plane can not slide forward realization with inertia and take off；And by being equipped with auxiliary wheel on intermediate connection frame, it will be able to ensure
When unmanned plane does not obtain sufficient power, unmanned plane is supported together with two pulleys, enables anticreep actuator smooth
It separates with cross bar, smoothly takes off after the final sufficient power of acquisition.
A preferred embodiment of the invention, the launching cradle include main frame, front foot frame and rear leg, the front foot frame
The end of main frame is set, and the beginning of main frame is arranged in the rear leg, and the front foot frame is higher than rear leg；The main body
Frame is made of square column, is set in the square column there are two the first slide slot, and described two first guide rails are separately positioned on two the
In one slide slot；The second slide slot is equipped between described two first slide slots, second guide rail is arranged in the second slide slot
It is interior；First for avoiding main body bar and intermediate connection frame is equipped between second slide slot and two the first slide slots to keep away
Allow slot, the top of the square column is equipped with the second escape groove corresponding with the first escape groove；First hinge bar of the fixed frame,
The second hinge bar, rear guide wheel and the mounting assembly of support frame are arranged in the second slide slot.
A preferred embodiment of the invention, the ejection driving mechanism includes spring and the receipts that main frame beginning is arranged in
Rolling wheel, the spring are arranged in the second slide slot, and wherein one end of spring is connect by connecting rope with winding wheel, the master
The beginning of body frame is equipped with the locking assembly for locking or unclamping winding wheel；Under normality, the spring is located at the second slide slot
Beginning, and one end of connecting rope is connected with far from the beginning of the second slide slot top.When work, connection is shunk by rotation winding wheel
Rope, makes spring-compressed at the top of the beginning of the second slide slot, and locks winding wheel by locking assembly, to prevent winding wheel in spring
Under the action of voluntarily rotate backward；Catapult car is then moved to the beginning of main frame, so that the rear end of mounting assembly is moved to
The corresponding position of spring end；Locking assembly is finally unclamped, winding wheel is not relocked, under the effect of spring force, by entire bullet
It penetrates vehicle to launch away forward, to realize driving forwards for driving catapult car.
Preferably, the cross-sectional area of second slide slot is rounded, and the top and bottom of the second slide slot and first
The corresponding edge of escape groove is horizontal plane, which constitutes the second guide rail；Guide wheel includes position-limited wheel and setting after described
On sliding wheel in position-limited wheel two sides, the diameter of the sliding wheel and the second slide slot between the horizontal plane of top and bottom
Be equidistant, the diameter of the position-limited wheel is bigger than the diameter of sliding wheel.The cross-sectional area of second slide slot is provided in round,
To be conducive to match with the spring of ejection driving mechanism, so as to movement of the spring on the second slide slot；In addition, due to limit
The diameter of wheel is bigger than sliding wheel, therefore the upper and lower ends of position-limited wheel are embedded in the first evacuation at the top and bottom of the second slide slot
In slot again, it is ensured that support frame keeps going straight ahead during the motion, while the sliding wheel can be supported on the horizontal plane
On rolled, it is ingenious in design.
A preferred embodiment of the invention, the end of the main frame are equipped with buffer gear, which includes fixing
Plate and two groups of buffer springs being arranged in fixed plate；Two groups of buffer springs are separately positioned on two the first slide slots
In, and every group of buffer spring is correspondingly arranged with every group of front jocket wheel respectively.By the setting of buffer gear, so that catapult car moves to
When the end of main frame, two groups of front jocket wheels are directly hit on corresponding buffer spring, so that entire catapult car has a buffering
Brake mitigates the shock to catapult car to main frame, is conducive to protect catapult car.
Compared with the prior art, the invention has the following beneficial effects:
1, launching apparatus of the invention can allow fixed-wing unmanned plane first to start and be placed on catapult car again, so that it is guaranteed that nothing
It is man-machine smoothly to fly after being detached from catapult car, avoid air crash.
2, since unmanned plane has been started up completion when on catapult car, by ejection driving mechanism drive catapult car to
Preceding movement, can be completed taking off for unmanned plane, and staff is without remaking other operations, compared to the mode of taking off of rear starting,
Unmanned plane of the invention mode of taking off is more convenient, and reduces operation difficulty.
Detailed description of the invention
Fig. 1-Fig. 2 is the structural schematic diagram of the unmanned aircraft launching apparatus of fixed-wing of the invention, wherein Fig. 1 is side view, figure
2 be perspective view.
The structural schematic diagram of frame based on Fig. 3-Fig. 4, wherein Fig. 3 is main view, and Fig. 4 is perspective view.
Fig. 5-Fig. 6 is the structural schematic diagram of catapult car, and Fig. 5 is side view, and Fig. 6 is perspective view.
Fig. 7 is the main view of rear guide wheel.
Fig. 8 is the schematic perspective view for launching driving mechanism.
Fig. 9 is the schematic perspective view of winding wheel and locking assembly.
Figure 10 is the stereoscopic mechanism schematic diagram of buffer gear.
Figure 11 is the structural schematic diagram that unmanned plane is located at launching cradle beginning.
Figure 12 is the enlarged drawing of I in Figure 11.
Figure 13 is the structural schematic diagram that unmanned plane is located at launching cradle end.
Figure 14 is the enlarged drawing of II in Figure 13.
Figure 15-Figure 17 be catapult car with anticreep actuator during the motion schematic diagram (arrow be front jocket wheel and after lead
The direction of motion of wheel is illustrated), wherein Figure 15 is schematic diagram when catapult car just sets out, and Figure 16 is that catapult car moves to launching cradle
The schematic diagram in middle section, Figure 17 are the schematic diagram that catapult car moves to launching cradle end.
Specific embodiment
Below with reference to embodiment and attached drawing, the invention will be further described, but embodiments of the present invention are not limited only to
This.
Referring to Fig. 1-Figure 17, the unmanned aircraft launching apparatus of the fixed-wing of the present embodiment, including launching cradle, setting are on launching cradle
Catapult car 2 and the ejection driving mechanism 4 that is moved on launching cradle of driving catapult car 2；The catapult car 2 includes front fixed part
And rear support portion, the front fixed part include fixed frame and the front jocket wheel being arranged on fixed frame 16, the rear support portion
Rear guide wheel 19 including support frame and setting on the support frame, the fixed frame and support frame are hinged；It is set on the launching cradle
The second guide rail 11 for having the first guide rail 12 for guiding front jocket wheel 16 to walk and walking for guide wheel 19 after guiding, the bullet
The beginning that frame is obliquely installed and its lower one end moves for catapult car is penetrated, the higher one end of launching cradle is the end of catapult car movement
End, first guide rail 12 are arranged along the direction of motion of catapult car 2 relative to launching cradle diagonally downward, second guide rail 11
It is arranged in parallel with launching cradle；It further include anticreep actuator, which includes vertical bar 39 and be arranged in vertical bar 39
The top of the arc shaped hook 38 of upper end, the arc shaped hook 38 is connected by connecting rod and the front bottom end of unmanned plane, the fixed frame
It is equipped with the cross bar 28 for limiting the forward movement of anticreep actuator；Before taking off, unmanned plane to be taken off be placed on fixed frame and
On support frame, the vertical bar 39 of the anticreep actuator is located at the front of cross bar 28, the arc shaped hook 38 hang on cross bar 28 and
The opening of arc shaped hook 38 is located at 28 rear side of cross bar.
Referring to figs. 5 and 6, the fixed frame is equipped with two groups of front jocket wheels 16, which, which vertically arranges, sets
It sets；The launching cradle is equipped with two groups and matched first guide rail 12 of front jocket wheel 16, and the tilt angle of two group of first guide rail 12
Unanimously.By the way that two groups of front jocket wheels 16 are arranged, fixed frame is steadily landed gradually downward when moving forward, avoids dropping
It falls too fast and unmanned plane is caused to be detached from catapult car 2 when not obtaining enough power, it is ensured that unmanned plane smoothly takes off.
Referring to figs. 5 and 6, the fixed frame includes main body bar 15 and two guide wheel bars being arranged on main body bar 15
29, two groups of front jocket wheels 16 are rotatably connected on the both ends of corresponding guide wheel bar 29 respectively；The upper end of the main body bar 15 is equipped with
The mandril of the stop bracket of " mouth " font, the stop bracket constitutes the cross bar 28；The first hinge bar is additionally provided on the main body bar 15
17, one end of first hinge bar 17 is connect with the middle part of main body bar 15, and the other end extends back.Such fixed frame knot is set
Structure is simple and slim and graceful.
Referring to figs. 5 and 6, support frame as described above is made of interconnecting piece and support portion；Wherein, the interconnecting piece includes the second hinge
Extension bar 18 and mounting assembly 20 for guide wheel 19 after installing, one end of second hinge bar 18 and mounting assembly 20 are fixed
Connection, the other end extends forward and with first hinge bar 17 hingedly；The support portion includes two supports being oppositely arranged
Bar 23 and intermediate connection frame, the lower end of described two support rods 23 is connected to the top both ends of intermediate connection frame, described
The lower end of intermediate connection frame is connected in the mounting assembly 20.When placing unmanned plane, the wing tail portion of unmanned plane is placed on
On two support rods 23, unmanned plane can either be supported in this way, also can be reduced the contact area of unmanned plane and support frame, be conducive to subtract
Few unmanned plane leaves friction when launching cradle, reduces the kinetic equation loss to unmanned plane, it is ensured that unmanned plane have sufficient power into
Row takes off.
Referring to figs. 5 and 6, the top of described two support rods 23 is equipped with pulley 26.When catapult car 2 moves to launching cradle
End after, the wing of unmanned plane, which can take advantage of a situation to slide under the action of pulley 26, leaves catapult car 2, and realization is taken off；Pulley 26
Design can be further reduced the power consumption to unmanned plane, it is advantageously ensured that unmanned plane can smoothly take off.
Referring to figs. 5 and 6, the intermediate connection frame is equipped with auxiliary support bar 24, and the upper end of the auxiliary support bar 24 is set
There is auxiliary wheel 25, the front of two pulleys 26 is arranged in the auxiliary wheel 25.When catapult car 2 moves to the middle section of launching cradle,
If the cross bar 28 on fixed frame has been moved off arc shaped hook 38, but unmanned plane not there is enough power realizations to take off yet leave ejection
(or buoyancy caused by unmanned plane is not enough to promote the front end of unmanned plane to rise), only two on support frame pulley when vehicle 2
The wing of 26 pairs of unmanned planes is supported, and the anticreep actuator of unmanned plane front end can undoubtedly continue to hang over cross under gravity
On bar 28, cross bar 28 can not be detached from and taken off, or even after catapult car 2 moves to the end of launching cradle, unmanned plane front end
The arc shaped hook 38 of anticreep actuator is still hung on cross bar 28, and unmanned plane can not slide forward realization with inertia and take off；And by
Intermediate connection frame is equipped with auxiliary wheel 25, it will be able to ensure when unmanned plane does not obtain sufficient power, together with two pulleys 26
Unmanned plane is supported, anticreep actuator is smoothly separated with cross bar 28, is smoothly taken off after the final sufficient power of acquisition.
Referring to figs. 5 and 6, the intermediate connection frame is made of T-bar, which includes transverse bar 22 and vertical bar
21, the lower end of the vertical bar 21 is connected to the rear end of mounting assembly 20, the direction of motion of the transverse bar 22 and catapult car 2
It is arranged in parallel and the middle part of transverse bar 22 is connect with the upper end of vertical bar 21；Along the direction of motion of catapult car 2, the auxiliary branch
Strut 24 is connected to the front end of transverse bar 22, connecting rod 27 is equipped between described two support rods 23, and pass through the connecting rod 27
The rear end of transverse bar 22 is set.
Referring to figures 1-4, the launching cradle includes main frame 1, front foot frame 3 and rear leg 5, and the front foot frame 3 is arranged
In the end of main frame 1, the beginning of main frame 1 is arranged in the rear leg 5, and the front foot frame 3 is higher than rear leg 5；The master
Body frame 1 is made of square column, is set in the square column there are two the first slide slot 9, described two first guide rails 12 are separately positioned on
In two the first slide slots 9；The second slide slot 8 is equipped between described two first slide slots 9, the setting of the second guide rail 11 exists
In second slide slot 8；Be equipped between second slide slot 8 and two the first slide slots 9 for avoid main body bar 15 and in
Between connection frame the first escape groove 10, the top of the square column is equipped with second escape groove 7 corresponding with the first escape groove 10；Institute
The second hinge bar 18, rear guide wheel 19 and the mounting assembly 20 of the first hinge bar 17, support frame of stating fixed frame are arranged at
In two slide slots 8.In the present embodiment, first guide rail 12 is made of the guide post to raise upward, is set on the front jocket wheel 16
Have with the matched guide groove of guide post, to realize the movement guidance of fixed frame, and structure is simple.
Referring to Fig. 1 and Fig. 2, the main frame 1 consists of two parts, by detachably tying between this two parts main frame 1
Structure 6 connects, and places when not in use to dismantle, and saves space.Wherein, the detachable structure 6 includes connecting plate and use
In the bolt that two parts main frame 1 and connecting plate are fixed together.The front foot frame 3 is bolted in main frame 1
End front foot frame 3 can be adjusted to tightening bolt again after suitable height and be fixed, to realize bullet when installing launching cradle
The tilt angle for penetrating frame is adjusted, and is smoothly taken off convenient for unmanned plane.
Fig. 8 and Fig. 9 is participated in, the ejection driving mechanism 4 includes spring 33 and the winding that 1 beginning of main frame is arranged in
Wheel, the spring 33 are arranged in the second slide slot 8, and wherein one end of spring 33 is connect by connecting rope 32 with winding wheel,
The beginning of the main frame 1 is equipped with the locking assembly for locking or unclamping winding wheel；It is equipped at the top of the beginning of the main frame 1
The through-hole passed through for connecting rope；Under normality, the spring 33 is located at the beginning of the second slide slot 8, and is connected with connecting rope 32
Beginning top of the one end far from the second slide slot 8.When work, connecting rope 32 is shunk by rotation winding wheel, compresses spring 33
At the top of the beginning of the second slide slot 8, and by locking assembly lock winding wheel, to prevent winding wheel under the action of spring 33 from
Row rotates backward；Catapult car 2 is then moved to the beginning of main frame 1, so that the rear end of mounting assembly 20 is moved to spring 33
The corresponding position of end；Locking assembly is finally unclamped, winding wheel is not relocked, under the action of 33 elastic force of spring, will entirely be launched
Vehicle 2 launches away forward, to realize driving forwards for driving catapult car 2.
Set that there are two the mounting plate 35 being oppositely arranged, the windings on top surface referring to Fig. 9, outside the beginning of the main frame 1
Wheel is rotatably connected between two mounting plates 35, and the side of the winding wheel is fixedly connected with swing handle 34, so as to operator
Member's rotation winding wheel, shrinks connecting rope 32, to achieve the purpose that compressed spring 33.The receipts that the winding wheel is oppositely arranged by two
Line wheel 31 is constituted, and the end of the connecting rope 32 is fixed between two take-up pulleies 31, the periphery of described two take-up pulleies 31
On be equipped with squama dentation card slot, and card slot is towards outer；The locking assembly is made of wheel blocking plate 30, and the wheel blocking plate 30 setting is being received
The top of rolling wheel, and one end of wheel blocking plate 30 is rotatably connected on main frame 1, the other end is bent downwardly；By stirring wheel blocking plate
30 to discharge or prevent the rotation of take-up pulley 31, to realize the starting control of catapult car 2.
Referring to Fig. 3, Fig. 4 and Fig. 7, the cross-sectional area of second slide slot 8 is rounded, and the top of the second slide slot 8
Corresponding edge with bottom and the first escape groove 10 is horizontal plane, which constitutes the second guide rail 11；Guide wheel 19 after described
Including position-limited wheel 36 and the sliding wheels 37 of 36 two sides of position-limited wheel, the diameter of the sliding wheel 37 and the second slide slot 8 be set
Upper equal positioned at the distance between the horizontal plane of top and bottom, the diameter of the position-limited wheel 36 is bigger than the diameter of sliding wheel 37.
The cross-sectional area of second slide slot 8 is provided in round, thus be conducive to match with the spring 33 of ejection driving mechanism 4, so as to
Movement of the spring 33 on the second slide slot 8；In addition, the diameter due to position-limited wheel 36 is bigger than sliding wheel 37, position-limited wheel 36
Upper and lower ends be embedded in the first escape groove 10 of the top and bottom of the second slide slot 8, it is ensured that support frame is in motion process
Middle holding going straight ahead, while the sliding wheel 37 can be supported on the horizontal plane again and be rolled, it is ingenious in design.
Referring to Figure 10, the end of the main frame 1 is equipped with buffer gear, which includes fixed plate 13 and setting
Two groups of buffer springs 14 in fixed plate 13；Two groups of buffer springs 14 are separately positioned in two the first slide slots 9, and
Every group of buffer spring 14 is correspondingly arranged with every group of front jocket wheel 16 respectively.By the setting of buffer gear, so that catapult car 2 moves to
When the end of main frame 1, two groups of front jocket wheels 16 are directly hit on corresponding buffer spring 14, so that entire catapult car 2 has one
A buffering brake, mitigates the shock to catapult car 2 to main frame 1, is conducive to protect catapult car 2.
Referring to Fig. 1-Figure 17, the working principle of the unmanned aircraft launching apparatus of the fixed-wing of the present embodiment is:
Firstly, catapult car 2 to be moved to the beginning of launching cradle, and unmanned plane is placed on catapult car 2, wherein nobody
The front bottom end of machine is supported on fixed frame, and the vertical bar 39 of the anticreep actuator is located at the front side of cross bar 28, arc shaped hook
38 hang on cross bar 28, and the opening of arc shaped hook 38 is located at the rear side of cross bar 28, and unmanned plane rear end supports on the support frame；Then,
Start unmanned plane, at this time since unmanned plane has the trend of forward movement after actuation, but since the arc shaped hook 38 hangs over cross
On bar 28, therefore cross bar 28 can stop unmanned plane to move forward, and rest on so that unmanned plane is still firm before obtaining power and taking off
On catapult car 2, with anti-detachment launching cradle, it can not be successfully and obtain power and take off；Then, under the drive of ejection driving mechanism 4
2 fast forward movement of catapult car, since the vertical bar 39 is located at the front side of cross bar 28, in catapult car 2 to Forward
It is able to drive unmanned plane when dynamic to move ahead, obtains sufficient power (referring to Figure 15)；And unmanned plane is driven to move forward in catapult car 2
When, due to the first guide rail 12 relative to launching cradle diagonally downward, and fixed frame is hinged with support frame, therefore entire ejection
Cross bar 28 of the vehicle 2 when moving forward on the fixed frame can land gradually downward, and leave arc by the opening of arc shaped hook 38
The range of hook 38, while unmanned plane gradually obtains power when moving forward with catapult car 2, unmanned plane generates buoyancy, unmanned plane
Front end slowly rise (referring to Figure 16 and Figure 17)；Arc shaped hook 38 is left in this way, being gradually reduced in cross bar 28, while unmanned plane
In the case that front end is gradually increasing, the cross bar 28 is no longer to the forward generation inhibition of unmanned plane；Finally, catapult car 2 is transported
Launching cradle end is moved, unmanned plane leaves launching cradle and flight forward with inertia, completely disengages launching apparatus, realization is taken off.
Above-mentioned is the preferable embodiment of the present invention, but embodiments of the present invention are not limited by the foregoing content,
His any changes, modifications, substitutions, combinations, simplifications done without departing from the spirit and principles of the present invention, should be
The substitute mode of effect, is included within the scope of the present invention.
Claims (10)
1. a kind of unmanned aircraft launching apparatus of fixed-wing, including launching cradle, the catapult car being arranged on launching cradle and driving ejection
The ejection driving mechanism that vehicle moves on launching cradle；It is characterized in that, the catapult car includes front fixed part and rear support portion,
The front fixed part includes fixed frame and the front jocket wheel that is arranged on fixed frame, and the rear support portion includes support frame and sets
Rear guide wheel on the support frame is set, the fixed frame and support frame are hinged；The launching cradle is equipped with for guiding front jocket wheel row
The first guide rail walked and the second guide rail walked for guide wheel after guiding, the launching cradle is obliquely installed and its lower one end
For the beginning of catapult car movement, the higher one end of launching cradle is the end of catapult car movement, and first guide rail is along catapult car
The direction of motion be arranged diagonally downward relative to launching cradle, second guide rail is arranged in parallel with launching cradle；It further include that anticreep drives
Moving part, the anticreep actuator include vertical bar and the arc shaped hook that vertical bar upper end is arranged in, the top of the arc shaped hook and nothing
Man-machine front bottom end connection, the fixed frame are equipped with the cross bar for limiting the forward movement of anticreep actuator；Before taking off, to
The unmanned plane to take off is placed on fixed frame and support frame, and the vertical bar of the anticreep actuator is located at the front of cross bar, described
Arc is hooked on cross bar and the opening of arc shaped hook is located on rear side of cross bar.
2. the unmanned aircraft launching apparatus of fixed-wing according to claim 1, which is characterized in that the fixed frame is equipped with two groups
Front jocket wheel, two groups of front jocket wheels are vertically arranged；The launching cradle is equipped with two groups and matched first guide rail of front jocket wheel,
And the tilt angle of two group of first guide rail is consistent.
3. the unmanned aircraft launching apparatus of fixed-wing according to claim 2, which is characterized in that the fixed frame includes main body bar
And two guide wheel bars on main body bar are set, two groups of front jocket wheels are rotatably connected on the two of corresponding guide wheel bar respectively
End；The upper end of the main body bar is equipped with the stop bracket of " mouth " font, and the mandril of the stop bracket constitutes the cross bar；The main body bar
On be additionally provided with the first hinge bar, one end of first hinge bar is connect with the middle part of main body bar, and the other end extends back.
4. the unmanned aircraft launching apparatus of fixed-wing according to claim 3, which is characterized in that support frame as described above by interconnecting piece and
Support portion is constituted；Wherein, the interconnecting piece includes the second hinge bar and the mounting assembly for guide wheel after installing, and described second
One end of hinge bar is fixedly connected with mounting assembly, and the other end extends forward and hinged with first hinge bar；The support
Portion includes two support rods being oppositely arranged and intermediate connection frame, and the lower end of described two support rods is connected to centre and connects
The top both ends of frame are connect, the lower end of the intermediate connection frame is connected in the mounting assembly.
5. the unmanned aircraft launching apparatus of fixed-wing according to claim 4, which is characterized in that the top of described two support rods
It is equipped with pulley.
6. the unmanned aircraft launching apparatus of fixed-wing according to claim 5, which is characterized in that the intermediate connection frame is equipped with
The upper end of auxiliary support bar, the auxiliary support bar is equipped with auxiliary wheel, and the front of two pulleys is arranged in the auxiliary wheel.
7. according to the unmanned aircraft launching apparatus of the described in any item fixed-wings of claim 4-6, which is characterized in that the launching cradle packet
Main frame, front foot frame and rear leg are included, the end of main frame is arranged in the front foot frame, and the rear leg is arranged in main frame
Beginning, the front foot frame is higher than rear leg；The main frame is made of square column, is set in the square column and is slided there are two first
Slot, described two first guide rails are separately positioned in two the first slide slots；Second is equipped between described two first slide slots
Slide slot, second guide rail are arranged in the second slide slot；It is all provided between second slide slot and two the first slide slots
There is the first escape groove for avoiding main body bar and intermediate connection frame, the top of the square column is equipped with corresponding with the first escape groove
The second escape groove；First hinge bar of the fixed frame, the second hinge bar of support frame, rear guide wheel and mounting assembly are all provided with
It sets in the second slide slot.
8. the unmanned aircraft launching apparatus of fixed-wing according to claim 7, which is characterized in that the ejection driving mechanism includes
Spring and the winding wheel that main frame beginning is arranged in, the spring is arranged in the second slide slot, and wherein one end of spring
It is connect by connecting rope with winding wheel, the beginning of the main frame is equipped with the locking assembly for locking or unclamping winding wheel；Often
Under state, the spring is located at the beginning of the second slide slot, and is connected with one end of connecting rope far from the beginning of the second slide slot top.
9. the unmanned aircraft launching apparatus of fixed-wing according to claim 8, which is characterized in that second slide slot it is transversal
Area is rounded, and the top and bottom of the second slide slot and the corresponding edge of the first escape groove are horizontal plane, the horizontal plane
Constitute the second guide rail；Guide wheel includes position-limited wheel and the sliding wheel that position-limited wheel two sides are arranged in after described, the sliding wheel it is straight
Diameter is equal positioned at the distance between the horizontal plane of top and bottom on the second slide slot, and the diameter of the position-limited wheel compares sliding wheel
Diameter it is big.
10. the unmanned aircraft launching apparatus of fixed-wing according to claim 2, which is characterized in that the end of the main frame is set
There is buffer gear, which includes fixed plate and two groups of buffer springs being arranged in fixed plate；Two groups of bufferings
Spring is separately positioned in two the first slide slots, and every group of buffer spring is correspondingly arranged with every group of front jocket wheel respectively.
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| CN112693620A (en) * | 2021-02-04 | 2021-04-23 | 清华大学 | Catapult-assisted take-off device for flapping-wing unmanned aerial vehicle |
| CN114013676A (en) * | 2022-01-10 | 2022-02-08 | 南充职业技术学院 | Unmanned aerial vehicle take-off cradle head for city planning and surveying |
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|---|---|
| CN109649672B (en) | 2021-05-28 |
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