CN107640330A - A kind of unmanned aerial vehicle ejecting device - Google Patents
A kind of unmanned aerial vehicle ejecting device Download PDFInfo
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- CN107640330A CN107640330A CN201710833746.4A CN201710833746A CN107640330A CN 107640330 A CN107640330 A CN 107640330A CN 201710833746 A CN201710833746 A CN 201710833746A CN 107640330 A CN107640330 A CN 107640330A
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Abstract
The invention discloses a kind of unmanned aerial vehicle ejecting device, including guide rail, bracket coaster and initial stretch cord, in addition to：The firm banking fixed on the ground；Initial baffle plate on firm banking, and the first end of initial stretch cord is fixed on firm banking through the through hole on initial baffle plate；Installed in the supratrochlear initial drive component of bracket, it is connected with the second end of initial stretch cord, and initial baffle plate can separate initial stretch cord with bracket coaster；The relay stretch cord consistent with initial stretch cord, the initiating terminal of relay stretch cord are located at the centre of guide rail；The top lock being connected with relay stretch cord, and push up pintle hook lock and be located on firm banking；Installed in the supratrochlear buckling and locking device of bracket, and buckling and locking device can block top lock；Release unit, after buckling and locking device blocks top lock, release unit can depart from top lock with firm banking.The present invention substitutes the second half of initial stretch cord pulling bracket coaster, the situation for avoiding pulling force from significantly reducing by relay stretch cord.
Description
Technical field
The present invention relates to air equipment technical field, more particularly, to a kind of unmanned aerial vehicle ejecting device.
Background technology
The transmitting of unmanned plane is to the battlefield survival of UAS, reusability, Local Adaptation and uses spirit
The index requests such as activity have direct influence, are one of stages most difficult and crucial in use.At present, unmanned plane has a variety of
Radiation pattern, such as ground roll-out take off, rocket assist transmitting, gas/liquid/electromagnetic launch, take off vertically and elastic force ejection transmitting
Method.
Elastic force ejection uses rubber band, and for power source, its equipment development and use cost are low, strong adaptability, are suitable for small-sized
The transmitting of unmanned plane, it is the radiation pattern that civilian unmanned planes most of at present use.
Elastic force ejection relies primarily on the elastic force of elastic string to drive ejection bracket and unmanned plane to be accelerated on guide rail,
After unmanned plane reaches certain speed when reaching guide rail terminal, release is taken off, and completes transmitting.Rubber band stretch cord (unifies letter below
Claim stretch cord) use allow for the pulling force of elastomeric material and the non-linear relation of tensile elongation, i.e., after elastic string is stretched,
Pulling force is no longer significantly increased when being further added by amount of tension, and this constant force characteristic that tends to can make full use of rail length, stretch cord is existed
The whole of coaster motion keeps effective acting.But in the actual use of elastic string, it is special to be extremely difficult to preferable constant force
Property, actual measurement shows that rubber rope tension continues to increase with the increase of tensile elongation, on the contrary, coaster is pulled in elastic string
The second half, pulling force can significantly reduce, and waste guide rail stroke.
The invention aims to solve be driving element using stretch cord, how to recover to bracket coaster in the second half
The technical problem of pulling force so that under conditions of due to the limitation of overload intensity without increasing maximum pull, and ensure that flight is dynamic
Takeoff speed required by power, reduce launcher length so as to reduce launcher overall size, and stored, transport, sprawling
Offered convenience with use.
Therefore, how using stretch cord be driving element when, recover to bracket coaster the second half pulling force so that due to
Under conditions of the limitation of overload intensity is without increasing maximum pull, ensure the takeoff speed required by flying power, reduce transmitting
Rail length is those skilled in the art's technical problem urgently to be resolved hurrily so as to reduce launcher overall size.
The content of the invention
In view of this, it is being driving element using stretch cord it is an object of the invention to provide a kind of unmanned aerial vehicle ejecting device
When, it can recover to bracket coaster the second half pulling force so that in bar of the limitation without increasing maximum pull due to overloading intensity
Under part, ensure the takeoff speed required by flying power, reduce launcher length so as to reduce launcher overall size.
To achieve these goals, the invention provides following scheme：
A kind of unmanned aerial vehicle ejecting device, including guide rail, bracket coaster and the initial stretch cord in extended state, wherein,
The initial stretch cord can pull the bracket coaster to be moved on the guide rail, and the unmanned aerial vehicle ejecting device also includes：
Firm banking, the firm banking fix on the ground；
Initial baffle plate, the initial baffle plate are arranged on the firm banking, the first end of the initial stretch cord and institute
State firm banking to be connected, and the initial stretch cord passes through the through hole opened up on the initial baffle plate；
Initial drive component, the initial drive component are arranged on the bracket coaster, itself and the initial stretch cord
The connection of the second end, can be by initially stretch cord and the institute and when the initial baffle plate contacts with the initial drive component
State the separation of bracket coaster；
Relay stretch cord, the relay stretch cord is consistent with the initial drawn state of the initial stretch cord, and described connects
The coefficient of elasticity of power stretch cord is consistent with the coefficient of elasticity of the initial stretch cord, and the initiating terminal of the relay stretch cord is located at institute
State the centre of guide rail；
Top lock, the top lock are connected with the first end of the relay stretch cord, and the top pintle hook lock is located at the fixed bottom
On seat；
Buckling and locking device, the buckling and locking device are arranged on the bracket coaster, and the buckling and locking device can block it is described
Top lock；
Release unit, after the buckling and locking device blocks the top lock, the release unit can be by the top lock and institute
Firm banking disengaging is stated, and after the top lock departs from the firm banking, the initial baffle plate and the initial driving group
Part is contacted, and the initial stretch cord is separated with the bracket coaster.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, the initial drive component includes：
Arm-tie, the arm-tie is arranged at four angles of the bracket coaster front end face, between upper and lower two arm-ties
Space can allow for the initial baffle plate to pass through；
Arm-tie guide shaft, the arm-tie guide shaft are arranged on the reverse side of the arm-tie, and the reverse side of the arm-tie is the arm-tie face
To that face of the bracket coaster；
Pulling block, installation through-hole is provided with the pulling block, and the pulling block can be slidably mounted at institute by the installation through-hole
State on arm-tie guide shaft, and the reverse side of the pulling block is connected with the second end of the initial stretch cord.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, in addition to by it is described top pintle hook lock be located on the firm banking
Fixing device, the fixing device include：
Spud pile, the spud pile are fixed on the firm banking；
Skewback, the skewback are arranged on the bottom of the spud pile, and the right angle bottom of the skewback and the fixed bottom
Connected between seat by the first compression spring；
Gear shaft, top lock described in the gear shaft slidable connection, and the first guide hole is offered at the top of the spud pile, it is described
Gear shaft can be can be slidably mounted in first guide hole, and the bottom of the gear shaft and the inclined-plane of the skewback are fixed, described de-
It can be departed from from device by extruding the skewback and sliding the top lock with the gear shaft.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, the top lock includes：
Lock, the second guide hole is provided with the lock, the top of the gear shaft passes through second guide hole, and the lock
It is pressed on the top of the spud pile, the thickness of the lock is less than the height of the skewback, and the of the relay stretch cord
One end is connected with the lock；
Tapered end, the tapered end is arranged on the lock, and the buckling and locking device can pin the tapered end.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, slip is installed in first guide hole and second guide hole
Linear bearing or rolling linear bearing.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, the top lock also includes locking bar；
One end of the locking bar is connected with the tapered end, and the other end of the locking bar is connected with the lock, and the lock
The length of bar is more than the length in direction of the skewback base along the guide rail.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, the buckling and locking device includes：
2 pieces of fixture blocks, the cross section of the fixture block is triangle, and the inclined-plane of 2 pieces of fixture blocks is set face-to-face, the card
First right-angle surface of block is set with the guide rail parallel, and the distance values between the fixture block are along the fixture block to the tapered end
Direction becomes larger；
Second compression spring, second compression spring are connected with the fixture block, and second compression spring can make 2
Fixture block is close to each other described in block, and the tapered end can push up open the fixture block and be stuck in the second straight of the fixture block along the neck
On edged surface.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, the buckling and locking device also includes：
Installed in the supratrochlear fixture block guide pin bushing of the bracket；
Fixture block guide shaft on the fixture block, when the fixture block is in mutually motion in the presence of the tapered end, institute
Stating fixture block guide shaft can slide in the fixture block guide pin bushing.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, cross section of the tapered end along the guide rail direction to be trapezoidal,
And direction of the width of the tapered end along the tapered end to the fixture block is gradually reduced, and the trapezoidal interior angle of the tapered end and institute
The interior angle for stating fixture block is identical.
Preferably, in above-mentioned unmanned aerial vehicle ejecting device, the release unit includes：
Installed in the supratrochlear pressing roller holder of the bracket；
Pressure roller on the pressing roller holder, the pressure roller can depress the skewback so that the gear shaft energy
It is enough to be spun off from the lock.
It can be seen from the above technical scheme that unmanned aerial vehicle ejecting device disclosed by the invention, in use, in pre-stretching
The initial stretch cord of state drives initial drive component motion, therefore, real because initial drive component is arranged on bracket coaster
Now initial stretch cord drives the motion of bracket coaster；When top pintle hook lock is after on the buckling and locking device of bracket coaster, release unit, which will push up, to be locked
Depart from firm banking, afterwards, initial baffle plate is contacted with initial drive component, and initial stretch cord is separated with bracket coaster, made
The relay stretch cord of extended state must be in and can be shunk and continue to drive bracket coaster to move along guide rail.Due to relay stretch cord
Initiating terminal be located at the centre of guide rail, i.e. relay stretch cord drives bracket coaster to run half guide rail stroke in initial stretch cord
Afterwards, another half trip for driving bracket coaster to run guide rail is continued by relay stretch cord.Unmanned aerial vehicle ejecting disclosed by the invention
Device so that carry the bracket coaster of unmanned plane under the driving of initial stretch cord, accelerate to slide from launcher starting point along guide rail
OK, when bracket coaster moves to stroke midway, when the pretension of initial stretch cord declines, substituted by the switching of relay stretch cord initial
Stretch cord pulls the operation of bracket coaster, and initial stretch cord departs from bracket coaster, and relay stretch cord has same with initial stretch cord
The initial tensile force of sample, pull on bracket coaster and accelerate to move ahead, until the terminal of guide rail, complete ejection.Pass through relay elastic force
Rope substitutes the second half that initial stretch cord pulls bracket coaster, avoids pulling force from significantly reducing, and wastes the situation of guide rail stroke.Recover
To bracket coaster the second half pulling force technical problem so that in the limitation due to overloading intensity without increasing maximum pull
Under the conditions of, and ensure the takeoff speed required by flying power, reduce launcher length so as to reduce launcher overall size,
And to storing, transport, sprawling and using offering convenience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of unmanned aerial vehicle ejecting provided by the invention dress.
Wherein, in Fig. 1：
Guide rail 1, bracket coaster 2, initial stretch cord 3, firm banking 4, initial baffle plate 5, initial drive component 6, relay bullet
Power rope 7, top lock 8, buckling and locking device 9, release unit 10, arm-tie 601, arm-tie guide shaft 602, pulling block 603, fixing device 11, fixation
Stake 1101, skewback 1102, gear shaft 1103, the first compression spring 1104, lock 801, tapered end 802, locking bar 803, fixture block 901, the
Two compression springs 902, fixture block guide pin bushing 903, fixture block guide shaft 904, pressing roller holder 1001, pressure roller 1002.
Embodiment
In order that those skilled in the art is better understood from technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
As shown in figure 1, the invention discloses a kind of unmanned aerial vehicle ejecting device, wherein, unmanned aerial vehicle ejecting device includes guide rail
1st, bracket coaster 2, initial stretch cord 3, firm banking 4, initial baffle plate 5, initial drive component 6, relay stretch cord 7, top lock 8,
Buckling and locking device 9 and release unit 10.
Initial stretch cord 3 is in extended state, and bracket coaster 2 can be pulled to be moved on guide rail 1.Initial stretch cord 3
Do not change substantially with length change in the preceding half trip pulling force of guide rail 1, i.e., value of thrust tends to be steady in the preceding half trip of guide rail 1
It is fixed.
Firm banking 4 fixes on the ground, and between two guide rails 1.
Initial baffle plate 5 is arranged on firm banking 4, and the first end of initial stretch cord 3 is connected with firm banking 4, and passes through
The through hole opened up on initial baffle plate 5.
Initial drive component 6 is fixed on bracket coaster 2, and it is connected with the second end of initial stretch cord 3, and initially
When baffle plate 5 contacts with initial drive component 6, initial baffle plate 5 can separate initial stretch cord 3 with bracket coaster 2.
Relay stretch cord 7 is identical with initial stretch cord 3, i.e. the initial drawn state of relay stretch cord 7 and initial stretch cord 3
Original state it is consistent, and the coefficient of elasticity of relay stretch cord 7 is consistent with the coefficient of elasticity of initial stretch cord 3, relay stretch cord 7
Initiating terminal be located at the centre of guide rail 1, be easy to implement relay stretch cord 7 and substitute initial stretch cord 3 and drive bracket coaster 2 in guide rail
Rear half trip on 1.
Top lock 8 is connected with the first end of relay stretch cord 7, and is pushed up lock 8 and be fastened on firm banking 4.Buckling and locking device 9 is installed
On bracket coaster 2, and buckling and locking device 9 can block top lock 8.After buckling and locking device 9 blocks top lock 8, release unit 10 can
Top lock 8 is departed from firm banking 4 so that relay stretch cord 7 can drive bracket coaster 2 to move.And when top lock 8 and fixed bottom
After seat 4 departs from, initial baffle plate 5 contacts with initial drive component 6 so that initial stretch cord 3 separates with bracket coaster 2.
Unmanned aerial vehicle ejecting device disclosed by the invention, in use, the initial stretch cord 3 in pretensioned state drives initially
Drive component 6 moves, and because initial drive component 6 is arranged on bracket coaster 2, therefore, realizes that initial stretch cord 3 drives bracket
Coaster 2 moves；After top lock 8 is stuck on the buckling and locking device 9 of bracket coaster 2, release unit 10 takes off lock 8 is pushed up with firm banking 4
From afterwards, initial baffle plate 5 contacts with initial drive component 6, initial stretch cord 3 is separated with bracket coaster 2 so that in drawing
Stretch the relay stretch cord 7 of state and can shrink and continue to drive bracket coaster 2 to move along guide rail 1.Due to rising for relay stretch cord 7
Top is located at the centre of guide rail 1, i.e. relay stretch cord 7 drives bracket coaster 2 to run the row of half guide rail 1 in initial stretch cord 3
Cheng Hou, another half trip for continuing to drive bracket coaster 2 to run guide rail 1 by relay stretch cord 7.Unmanned plane disclosed by the invention
Catapult-launching gear so that the bracket coaster 2 of unmanned plane is carry under the driving of initial stretch cord 3, from launcher starting point along guide rail 1
Accelerated slip, when bracket coaster 2 moves to stroke midway, when the pretension of initial stretch cord 3 declines, cut by relay stretch cord 7
Changing the initial stretch cord 3 of replacement pulls bracket coaster 2 to run, and initial stretch cord 3 departs from bracket coaster 2, and relay stretch cord 7 has
The same initial tensile force with initial stretch cord 3, pull on bracket coaster 2 and accelerate to move ahead, until the terminal of guide rail 1, complete
Ejection.The second half of the initial pulling bracket of stretch cord 3 coaster 2 is substituted by relay stretch cord 7, avoids pulling force from significantly reducing, wave
Take the situation of the stroke of guide rail 1.Recovered to bracket coaster 2 the second half pulling force technical problem so that due to overload intensity
Limitation without increasing maximum pull under conditions of, and ensure the takeoff speed required by flying power, reduce shoe 1 and grow
Degree is so as to reduce launcher overall size, and to storing, transport, sprawling and using offering convenience.
Embodiment two
In second embodiment provided by the invention, the nothing in unmanned aerial vehicle ejecting device and embodiment one in the present embodiment
The structure of man-machine catapult-launching gear is similar, and something in common is just repeated no more, only introduces difference.
In the present embodiment, it is in integrally symmetric configuration to disclose unmanned aerial vehicle ejecting device.The basic configuration of bracket coaster 2 includes top
Plate and side plate, the inner space of formation have certain height, for arranging initial drive component 6, buckling and locking device 9 and departing from dress
10 are put, its top plate upper space arranges specific supporting construction according to the mission need of different type unmanned plane, and coaster is by beam type
Material builds skeleton, is equipped with sheet material completion, its material is steel or aluminium.
In the present embodiment, specifically disclosing initial drive component 6 includes arm-tie 601, arm-tie guide shaft 602 and pulling block 603.
Wherein, arm-tie 601 is arranged at four angles of the front end face of bracket coaster 2, the space between upper and lower two arm-ties 601
Initial baffle plate 5 be can allow for by the way that the front end face of bracket coaster 2 refers to bracket coaster 2 towards that face of firm banking 4.Arm-tie
Guide shaft 602 is arranged on the reverse side of arm-tie 601, and the reverse side of arm-tie 601 is arm-tie 601 towards that face of bracket coaster 2.Pulling block 603
On be provided with installation through-hole, and pulling block 603 can be slidably mounted on arm-tie guide shaft 602 by installation through-hole, and the reverse side of pulling block 603
It is connected with the second end of initial stretch cord 3.When bracket coaster 2 moves to the position that initial baffle plate 5 contacts with pulling block 603, just
Beginning baffle plate 5 stops pulling block 603 so that pulling block 603 comes off from arm-tie guide shaft 602, because the reverse side of pulling block 603 is connected with initially
Second end of stretch cord 3, the first end of initial stretch cord 3 is connected with initial baffle plate 5 so that initial stretch cord 3 is slided with bracket
Car 2 separates.Specifically, initial baffle plate 5 is inverted L plates.
It should be noted that arm-tie 601 can be in the layout of the top plate of bracket coaster 2 and side plate intersection (i.e. bracket coaster 2
Front end face) the higher any position of intensity, also can be in bracket coaster as long as not interfering in coaster traveling process with other parts
2 middle part or rear end, or even can be in the outside of the side plate of bracket coaster 2.Arm-tie 601 uses welding or bolt connection with coaster, if
Arm-tie 601 can increase triangle reinforcement on the outside of coaster, and the material of arm-tie 601 is steel or aluminium.Accordingly, pulling block 603, arm-tie guide shaft
602 and initial baffle plate 5 be laid out with arm-tie 601 in inner or outer position, arm-tie guide shaft 602 and arm-tie 601 utilize bolt or spiral shell
Mother's connection, makes the installation through-hole that arm-tie guide shaft 602 opens up perpendicular to arm-tie 601, arm-tie guide shaft 602 on pulling block 603 during adjustment
Middle formation wide arc gap coordinates, and making pulling block 603, freely, arm-tie guide shaft 602 is by smooth for activity under the constraint of two arm-tie guide shafts 602
Steel column is made, and pulling block 603 is made up of aluminium.If arm-tie 601 is arranged in the outside of bracket coaster 2, initial baffle plate 5, which is then fixed on, leads
On the pedestal in the outside of rail 1, and cantilever opens up circular hole towards inner side on the cantilever of initial baffle plate 5, for through initial stretch cord
3, Pasting yielding rubber at initial baffle plate 5 and the shock of pulling block 603, baffle plate is steel plate or aluminium sheet, is bolted on base.
Further, also include top lock 8 being fastened on consolidating on firm banking 4 the invention discloses unmanned aerial vehicle ejecting device
Determine device 11.
Specific fixing device 11 includes spud pile 1101, skewback 1102 and gear shaft 1103.Spud pile 1101 is 2 inverted
L-type block, and the cantilever-face of L-type block is provided opposite to, spud pile 1101 is fixed on firm banking 4.Skewback 1102 is arranged on cantilever
Bottom, and the inclined-plane of skewback 1102 is towards the bracket coaster 2 of original state, right angle bottom and the firm banking 4 of skewback 1102
Between connected by the first compression spring 1104.The slidable connection top of gear shaft 1103 lock 8, and the top of spud pile 1101 offers
First guide hole, gear shaft 1103 can be slidably mounted in the first guide hole, and the bottom and the inclined-plane of skewback 1102 of gear shaft 1103 are consolidated
Fixed, release unit 10 can slide disengaging by lock 8 is pushed up by extruding skewback 1102 with gear shaft 1103.Specifically, skewback 1102 exists
Under the squeezing action of release unit 10, move down, drive gear shaft 1103 to be slided with top lock 8 and depart from.
Further, the invention discloses top lock 8 to include lock 801 and tapered end 802.Wherein, is provided with lock 801
Two guide holes, the top of gear shaft 1103 passes through the second guide hole, and lock 801 is pressed on the top of spud pile 1101, the thickness of lock 801
Degree is less than the height of skewback 1102, and the first end of relay stretch cord 7 is connected with lock 801.Tapered end 802 is arranged on lock 801
On, and buckling and locking device 9 can pin tapered end 802.
The invention also discloses top lock 8 also to include locking bar 803.One end of locking bar 803 is connected with tapered end 802, locking bar 803
The other end is connected with lock 801, and the length of locking bar 803 is more than the length in direction of the base of skewback 1102 along guide rail 1, so as to
When tapered end 802 is stuck in buckling and locking device 9, bracket coaster 2 does not interfere with spud pile 1101.
In order that gear shaft 1103 is smoothly deviate from the presence of release unit 10, the invention discloses the first guide hole and second
Sliding straight bearing or rolling linear bearing is installed in guide hole.
In the present embodiment, tapered end 802, locking bar 803 and lock 801 are structure as a whole, and material is steel.Gear shaft 1103 is steel
Light beam, it is matched with the through hole of skewback 1102, lower end is fixed with nut, is easy to gear shaft 1103 to change dismounting.The length of locking bar 803
More than length of the base of skewback 1102 along the direction of guide rail 1, and the height of skewback 1102 is more than the thickness of lock 801.It is micro- after assembling
Each cooperation parts are adjusted, artificial to promote bracket coaster 2, so that top lock 8 smoothly heads into buckling and locking device 9, release unit 10 pushes tiltedly
Block 1102, and sequential linking is accurate.
The invention particularly discloses buckling and locking device 9 to include the second compression spring 902 and 2 pieces of fixture blocks 901.Wherein, fixture block 901
Cross section be triangle, and the inclined-plane of 2 pieces of fixture blocks 901 is set face-to-face, and the first right-angle surface of fixture block 901 is parallel with guide rail 1
Set, direction of the distance values between fixture block 901 along fixture block 901 to tapered end 802 becomes larger.Second compression spring 902 with
Fixture block 901 connects, and the second compression spring 902 can make that 2 pieces of fixture blocks 901 are close to each other, and tapered end 802 can push up open fixture block 901
And it is stuck in along neck in the second right-angle surface of fixture block 901.
Further, the invention discloses buckling and locking device 9 also to include fixture block guide pin bushing 903 and fixture block guide shaft 904.Wherein, block
Block guide pin bushing 903 is arranged on bracket coaster 2, and fixture block guide shaft 904 is arranged on fixture block 901, when fixture block 901 is in the work of tapered end 802
During with lower mutually motion, fixture block guide shaft 904 can slide in fixture block guide pin bushing 903.
Cross section of the tapered end 802 along the direction of guide rail 1 is trapezoidal, and the width of tapered end 802 arrives fixture block along tapered end 802
901 direction is gradually reduced, and the trapezoidal interior angle of tapered end 802 is identical with the interior angle of fixture block 901, improves the flat inclined light of tapered end 802
Cleanliness simultaneously makees cure process.
Fixture block 901 is manufactured using steel, is had certain finish at inclined working and inside groove and is quenched etc. at hardening
Reason, two inclined-plane angles are 30~60 °, and interior rooved face coats lubricating grease.Fixture block guide shaft 904 is steel optical axis, the external screw thread of termination
It is tightened in the internal thread of the side of fixture block 901.Fixture block guide shaft 904 is fixed on below the top plate of bracket coaster 2 using clip or flange,
Inside forms axial movement with guide shaft and coordinated equipped with slip or ball linear bearing.Second pressure rope spring has less rigidity,
So that fixture block 901 will not separate because of vibration during the pulling bracket coaster 2 of top lock 8 moves ahead, fixture block 901 can and just block
Tapered end 802 is advisable.The inside groove of two fixture blocks 901 forms wide arc gap with locking bar 803 and coordinated, and locking bar 803 can be led in the groove interior edge of fixture block 901
The freely activity of the direction of rail 1.
It should be noted that buckling and locking device 9 and top lock 8 can also be arranged to the form snapped connection.
Further, the invention discloses release unit 10 to include pressing roller holder 1001 and pressure roller 1002.Wherein, pressure roller
Support 1001 is arranged on bracket coaster 2, is rectangular frame, and pressure roller 1002 is arranged on pressing roller holder 1001.The energy of pressure roller 1002
It is enough to depress skewback 1102 so that gear shaft 1103 can spin off from lock 801.The distance between cantilever of L-type block is big
In the length of pressing roller holder 1001 and pressure roller 1002, i.e. pressing roller holder 1001 and pressure roller 1002 can be in lock 801 and spud pile
After 1101 depart from, it can pass through with bracket coaster 2 between the cantilever of L-type block.
Pressing roller holder 1001 can also be set l-shaped, spud pile 1101 is arranged to inverted L-type so that pressure roller branch
Frame 1001 can pass through under spud pile 1101.
Unmanned aerial vehicle ejecting device disclosed by the invention, in use, the initial stretch cord 3 in pretensioned state drives pulling block
603 motions, because pulling block 603 is stuck on arm-tie 601, arm-tie 601 is arranged on bracket coaster 2, therefore, realizes initial stretch cord
3 drive bracket coasters 2 move.When bracket coaster 2, which moves ahead, encounters top lock 8, the skew back face of tapered end 802 and fixture block 901 it is interior tiltedly
Face produces Contact -impact, under 3 remaining pulling force effect of the inertia force of bracket coaster 2 and initial stretch cord, the second compression of resistance of top lock 8
The pressure of spring 902 opens fixture block 901 to both sides top, until the narrow checkpost mouth that tapered end 802 is formed entirely across two fixture blocks 901, the
Two compression springs 902 rebound fixture block 901, and at this moment the inside groove at the inclined-plane of fixture block 901 is enclosed in the outside of locking bar 803 and forms slip
Coordinate, for undertake gear shaft 1103 from lock 801 detach when unbalance loading torque caused by relay stretch cord 7；Immediately this is acted, and is passed through
The pressure roller 1002 that pressing roller holder 1001 is fixed on bracket coaster 2 is arrived at skewback 1102, and bracket coaster 2 moves ahead, pressure roller 1002
Press inclined-plane to move downward, gear shaft 1103 is extracted out from lock 801.Now, the top lock 8 involved by relay stretch cord 7
No longer by the constraint of spud pile 1101, but lived by the narrow checkpost of fixture block 901 on bracket coaster 2, it is achieved thereby that continuous power docking.
In the latter stage of continuous power action, bracket coaster 2, which arrives at, to be fixed at the initial baffle plate 5 on base, and the transverse arm of initial baffle plate 5 passes through cunning
The breach of the arm-tie 601 of Chinese herbaceous peony simultaneously keeps off down pulling block 603, and the pulling block 603 that bracket coaster 2 is then connected with initial stretch cord 3 divides
From under the traction of relay stretch cord 7, bracket coaster 2 docks power transmission to continue to move ahead by pushing up lock 8 with fixture block 901.This hair
Bright disclosed unmanned aerial vehicle ejecting device so that the bracket coaster 2 of unmanned plane is carry under the driving of initial stretch cord 3, from hair
Penetrate and erect a little along the accelerated slip of guide rail 1, when bracket coaster 2 moves to stroke midway, when the pretension of initial stretch cord 3 declines,
Switching the initial stretch cord 3 of replacement by relay stretch cord 7 pulls bracket coaster 2 to run, and initial stretch cord 3 departs from bracket coaster 2,
Relay stretch cord 7 has the initial tensile force same with initial stretch cord 3, pulls on bracket coaster 2 and accelerates to move ahead, until leading
The terminal of rail 1, complete ejection.The second half of the initial pulling of stretch cord 3 coaster is substituted by relay stretch cord 7, avoids pulling force big
Width reduces, and wastes the situation of the stroke of guide rail 1.Recovered to bracket coaster 2 the second half pulling force technical problem so that due to
Under conditions of the limitation of overload intensity is without increasing maximum pull, and ensure the takeoff speed required by flying power, reduce hair
The length of guide rail 1 is penetrated so as to reduce launcher overall size, and to storing, transport, sprawling and using offering convenience.
" first " in the present invention, " second " etc. are to be distinguished in description, without other particular meanings.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and inventive features phase
Consistent most wide scope.
Claims (10)
1. a kind of unmanned aerial vehicle ejecting device, including guide rail (1), bracket coaster (2) and the initial stretch cord in extended state
(3), wherein, the initial stretch cord (3) can pull the bracket coaster (2) to be moved on the guide rail (1), and its feature exists
In, in addition to：
Firm banking (4), the firm banking (4) fix on the ground；
Initial baffle plate (5), the initial baffle plate (5) are arranged on the firm banking (4), and the of the initial stretch cord (3)
One end is connected with the firm banking (4), and the initial stretch cord (3) passes through the through hole opened up on the initial baffle plate (5)；
Initial drive component (6), the initial drive component (6) are arranged on the bracket coaster (2), itself and the initial bullet
The second end connection of power rope (3), and when the initial baffle plate (5) contacts with the initial drive component (6), can will it is described at the beginning of
Beginning stretch cord (3) separates with the bracket coaster (2)；
Relay stretch cord (7), the relay stretch cord (7) is consistent with the initial drawn state of the initial stretch cord (3), and institute
It is consistent with the coefficient of elasticity of the initial stretch cord (3) to state the coefficient of elasticity of relay stretch cord (7), the relay stretch cord (7)
Initiating terminal be located at the centre of the guide rail (1)；
Top lock (8), the top lock (8) are connected with the first end of the relay stretch cord (7), and the top lock (8) is fastened on institute
State on firm banking (4)；
Buckling and locking device (9), the buckling and locking device (9) is arranged on the bracket coaster (2), and the buckling and locking device (9) can
Block the top lock (8)；
Release unit (10), after the buckling and locking device (9) blocks the top lock (8), the release unit (10) can be by institute
Top lock (8) and the firm banking (4) disengaging are stated, and after the top lock (8) departs from the firm banking (4), it is described first
Beginning baffle plate (5) can contact with the initial drive component (6), by the initial stretch cord (3) and the bracket coaster (2) point
From.
2. unmanned aerial vehicle ejecting device according to claim 1, it is characterised in that the initial drive component (6) includes：
Arm-tie (601), the arm-tie (601) is arranged at four angles of bracket coaster (2) front end face, described in upper and lower two
Space between arm-tie (601) can allow for the initial baffle plate (5) to pass through；
Arm-tie guide shaft (602), the arm-tie guide shaft (602) are arranged on the reverse side of the arm-tie (601), the arm-tie (601)
Reverse side is the arm-tie (601) towards that face of the bracket coaster (2)；
Pulling block (603), installation through-hole is provided with the pulling block (603), and the pulling block (603) can be slided by the installation through-hole
It is dynamic to be arranged on the arm-tie guide shaft (602), and the reverse side of the pulling block (603) is connected with the of the initial stretch cord (3)
Two ends.
3. unmanned aerial vehicle ejecting device according to claim 2, it is characterised in that also include the top lock (8) being fastened on
Fixing device (11) on the firm banking (4), the fixing device (11) include：
Spud pile (1101), the spud pile (1101) are fixed on the firm banking (4)；
Skewback (1102), the skewback (1102) are arranged on the bottom of the spud pile (1101), and the skewback (1102)
It is connected between right angle bottom and the firm banking (4) by the first compression spring (1104)；
Gear shaft (1103), top lock (8) described in gear shaft (1103) slidable connection, and opened at the top of the spud pile (1101)
Provided with the first guide hole, the gear shaft (1103) can be slidably mounted in first guide hole, the bottom of the gear shaft (1103)
The inclined-plane with the skewback (1102) is held to fix, the release unit (10) can be by extruding the skewback (1102) by described in
Top lock (8) slides with the gear shaft (1103) to be departed from.
4. unmanned aerial vehicle ejecting device according to claim 3, it is characterised in that the top lock (8) includes：
Lock (801), the second guide hole is provided with the lock (801), the top of the gear shaft (1103) is led through described second
Hole, and the lock (801) is pressed on the top of the spud pile (1101), the thickness of the lock (801) is oblique less than described
The height of block (1102), and the first end of the relay stretch cord (7) is connected with the lock (801)；
Tapered end (802), the tapered end (802) is arranged on the lock (801), and the buckling and locking device (9) can pin institute
State tapered end (802).
5. unmanned aerial vehicle ejecting device according to claim 4, it is characterised in that first guide hole and second guide hole
Sliding straight bearing or rolling linear bearing is inside installed.
6. the unmanned aerial vehicle ejecting device according to claim 4 or 5, it is characterised in that the top lock (8) also includes locking bar
(803)；
One end of the locking bar (803) is connected with the tapered end (802), the other end and the lock of the locking bar (803)
(801) connect, and the length of the locking bar (803) is more than direction of the skewback (1102) base along the guide rail (1)
Length.
7. the unmanned aerial vehicle ejecting device according to claim 4 or 5, it is characterised in that the buckling and locking device (9) includes：
2 pieces of fixture blocks (901), the cross section of the fixture block (901) is triangle, and the inclined-plane of 2 pieces of fixture blocks (901) is face-to-face
Set, the first right-angle surface and the guide rail (1) of the fixture block (901) be arranged in parallel, the distance values between the fixture block (901)
Become larger along the direction of the fixture block (901) to the tapered end (802)；
Second compression spring (902), second compression spring (902) are connected with the fixture block (901), and second compression
Spring (902) can make 2 pieces of fixture blocks (901) close to each other, the tapered end (802) can push up out the fixture block (901) and
It is stuck in along the neck in the second right-angle surface of the fixture block (901).
8. unmanned aerial vehicle ejecting device according to claim 7, it is characterised in that the buckling and locking device (9) also includes：
Fixture block guide pin bushing (903) on the bracket coaster (2)；
Fixture block guide shaft (904) on the fixture block (901), when effect of the fixture block (901) in the tapered end (802)
During lower mutually motion, the fixture block guide shaft (904) can be slided in the fixture block guide pin bushing (903).
9. unmanned aerial vehicle ejecting device according to claim 7, it is characterised in that the tapered end (802) is along the guide rail
(1) cross section in direction is trapezoidal, and the width of the tapered end (802) arrives the fixture block (901) along the tapered end (802)
Direction is gradually reduced, and the trapezoidal interior angle of the tapered end (802) is identical with the interior angle of the fixture block (901).
10. unmanned aerial vehicle ejecting device according to claim 3, it is characterised in that the release unit (10) includes：
Pressing roller holder (1001) on the bracket coaster (2)；
Pressure roller (1002) on the pressing roller holder (1001), the pressure roller (1002) can be by the skewback (1102)
Pressure so that the gear shaft (1103) can spin off from the lock (801), and the release unit (10) can be with
The spud pile (1101) is passed through with the bracket coaster (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833746.4A CN107640330B (en) | 2017-09-15 | 2017-09-15 | Unmanned aerial vehicle jettison device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833746.4A CN107640330B (en) | 2017-09-15 | 2017-09-15 | Unmanned aerial vehicle jettison device |
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| Publication Number | Publication Date |
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| CN107640330A true CN107640330A (en) | 2018-01-30 |
| CN107640330B CN107640330B (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710833746.4A Expired - Fee Related CN107640330B (en) | 2017-09-15 | 2017-09-15 | Unmanned aerial vehicle jettison device |
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| CN110316397A (en) * | 2019-07-22 | 2019-10-11 | 西安探索鹰航空科技有限公司 | A kind of unmanned aerial vehicle ejecting device and takeoff method being detached from based on principle of inertia |
| US20200339280A1 (en) * | 2018-10-22 | 2020-10-29 | Nanjing University Of Aeronautics And Astronautics | Apparatus and method for continuous launching of unmanned aerial vehicles |
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|---|---|
| CN107640330B (en) | 2020-01-14 |
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