CN207157556U - Unmanned vehicle engine damping device - Google Patents
Unmanned vehicle engine damping device Download PDFInfo
- Publication number
- CN207157556U CN207157556U CN201720976280.9U CN201720976280U CN207157556U CN 207157556 U CN207157556 U CN 207157556U CN 201720976280 U CN201720976280 U CN 201720976280U CN 207157556 U CN207157556 U CN 207157556U
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- sleeve
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- damping device
- piston
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- 238000013016 damping Methods 0.000 title claims abstract description 63
- 230000035939 shock Effects 0.000 claims abstract description 29
- 150000001875 compounds Chemical class 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 13
- 230000006872 improvement Effects 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 5
- 239000005060 rubber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
A kind of unmanned vehicle engine damping device, it is arranged between fuselage and engine, including the fire-proof plate being fixedly connected with fuselage, the shock ring being fixedly connected with engine and several be fixedly connected with the damper of fire-proof plate and shock ring, the damper includes sleeve and is arranged on the damping that sleeve both ends are used to be respectively fixedly connected with fire-proof plate and damper.When the unmanned plane during flying, damping by sleeve and sleeve both ends is delivered to fire-proof plate by vibrations caused by engine work, due to the setting of two dampings and sleeve, so that most vibroseis after two dampings and sleeve totally three layers of bumper and absorbing shock by can just be delivered to fire-proof plate, to reach the effect for the vibrations for reducing fire-proof plate, so as to ensure that the good damping performance of the damping so that unmanned plane during flying is more stablized.
Description
Technical field
Aero-Space unmanned air vehicle technique field is the utility model is related to, specially a kind of unmanned vehicle engine damping.
Background technology
The engine being currently installed on the dynamic unmanned plane of oil has two kinds of series of single cylinder and twin-tub, especially single-cylinder engine due to
It is unstable during operation, cause vibrations very big, influence aircraft stability, unmanned plane structure can be made to disintegrate when serious.
Authorization Notice No. is that CN106864758A Chinese patent discloses a kind of dynamic rotor wing unmanned aerial vehicle engine damping of oil
Mechanism, including engine installation structure and unmanned aerial vehicle body;If engine installation structure include engine, engine installing plate,
Dry stairstepping connecting pole connects up engine installing plate by axial rubber pad;The output shaft of engine is logical in the middle part of vibration damper plate
Hole is stretched out;Radial direction beam is installed between vibration damper plate and stairstepping connecting pole;Subtracted on unmanned aerial vehicle body by some flexible rubbers
Shake pad is connected with gear reduction box;The output end that the output shaft of engine passes through clutch connection gear reduction box;Some ladders
The lower end of shape connecting pole is rigidly attached on the shell of gear reduction box.Because unmanned plane is generally in aloft work, work as outdoor temp
When degree is less than 0 DEG C, rubber shock-absorbing effect fails substantially, is unable to reach predetermined damping effect, and the oil resistance of rubber is poor,
In-engine lubricating oil is easy to that rubber is caused to damage, and weakens damping effect.
Utility model content
The purpose of this utility model is to provide a kind of unmanned vehicle engine damping device, and the damping device has good subtract
Shake effect.
Above-mentioned technical purpose of the present utility model technical scheme is that:
A kind of unmanned vehicle engine damping device, is arranged between fuselage and engine, including be fixedly connected with fuselage
Fire-proof plate, the shock ring being fixedly connected with engine and several be fixedly connected with the damper of fire-proof plate and shock ring, it is described
Damper includes sleeve and is arranged on the damping that sleeve both ends are used to be respectively fixedly connected with fire-proof plate and damper.
By using above-mentioned technical proposal, when the unmanned plane during flying, vibrations caused by engine work will pass through sleeve
And the damping at sleeve both ends is delivered to fire-proof plate, due to the setting of two dampings and sleeve so that most of
Vibroseis by can just be delivered to fire-proof plate after two dampings and sleeve totally three layers of bumper and absorbing shock, reduce fire prevention to reach
The effect of the vibrations of plate, so as to ensure that the good damping performance of the damping so that unmanned plane during flying is more stablized.
As improvement of the present utility model, the damping includes the piston connected with sleeve sliding and is fixedly connected
The damping buffer unit of sleeve and piston.
By using above-mentioned technical proposal, when engine, which works, produces vibrations, being delivered to the vibrations of damping can make
Obtain piston relative sleeve to slide by a small margin, during piston relative sleeve slides, damping buffer unit can sponge portion
It is allocated as using power on the piston rod, so as to play the effect of damping.
As improvement of the present utility model, the damping buffer unit includes compound spring.
By using above-mentioned technical proposal, spring is as a kind of common damping buffer unit, and cost is cheap, mounting technique
Maturation, the production cost of the damping device is reduced to a certain extent.
As improvement of the present utility model, the piston includes the piston head being arranged in sleeve and fixed with piston head
Connect and pass the piston rod of sleeve, the compound spring be arranged on the piston rod and both ends respectively with piston head and sleeve
Wall is fixedly connected, and space is left between two piston heads in same sleeve.
By using above-mentioned technical proposal, due to compound spring be arranged on the piston rod and both ends respectively with piston head and
Sleeve lining is fixedly connected, and when piston relative sleeve moves, compound spring can produce the movement of resistance piston head relative sleeve
Elastic potential energy, serves the effect of vibrations of the absorption on damping to a certain extent, and then plays cushioning effect.
As improvement of the present utility model, the part of the piston rod stretching sleeve is fixedly installed and prevented positioned at same set of
The stopping means that two piston heads in cylinder mutually abut.
By using above-mentioned technical proposal, by setting stopping means, it can prevent two piston heads from mutually abutting, so as to
Prevent that two piston heads constantly hit so as to cause shock absorber structure damping when absorption is applied to the vibrations on damper
On damage situation produce.
As improvement of the present utility model, the stopping means is arranged to the snap ring being wholely set with piston rod.
By using above-mentioned technical proposal, because snap ring and piston rod are wholely set, snap ring is added to a certain extent
Stability in structure, while the piston rod and snap ring being wholely set are easier to process.
As improvement of the present utility model, the piston rod is provided at both ends with screw thread, fire-proof plate and the shock ring difference
The third through-hole and fourth hole coordinated with piston rod is provided with, the damper both ends are each passed through third through-hole and four-way
Hole, and it is fixedly connected with fire-proof plate and shock ring by snap ring and with the nut that screw thread coordinates.
By using above-mentioned technical proposal, when needing mounting shock absorber, first the piston rod at damper both ends can be passed through
Third through-hole and fourth hole, then fire-proof plate and shock ring are fixedly attached to by damper two by nut and corresponding snap ring
End;The mode connective stability of threaded connection is stronger, at the same combine it is easy for installation, it is easy to implement.
As improvement of the present utility model, the fire-proof plate and shock ring are respectively arranged with second be fixedly connected with fuselage
Through hole and the fifth hole being fixedly connected with engine.
By using above-mentioned technical proposal, by setting the second through hole and fifth hole, in that context it may be convenient to by damping device
On different unmanned planes.
In summary, the utility model has the advantages that:
First, good damping effect, due to the setting of two dampings and sleeve so that most vibroseis passes through two
Individual damping and sleeve can just be delivered to fire-proof plate after totally three layers of bumper and absorbing shock, and damping effect is more preferable;
2nd, it is easily installed, the mode that damper both ends can be connected through a screw thread is fixedly connected with fire-proof plate and shock ring, even
It is simple to connect mode, it is easy to implement;
3rd, it is applied widely, when using the damping device, damper can be reduced accordingly according to the performance of engine
Quantity, so that the weight of damping device can change, the scope of application of the damping device is added to a certain extent.
Brief description of the drawings
Fig. 1 is the top view of unmanned plane;
Fig. 2 is unmanned vehicle engine damping device explosive view;
Fig. 3 is the front view of shock ring;
Fig. 4 is the sectional view of damper.
In figure, 1, unmanned plane;11st, fuselage;111st, first through hole;12nd, engine;121st, engine fixed seat;2nd, damping
Device;21st, fire-proof plate;211st, the second through hole;212nd, third through-hole;22nd, damper;221st, sleeve;222nd, piston;223rd,
Gap;2221st, piston head;2222nd, piston rod;22221st, snap ring;223rd, compound spring;224th, gap;23rd, shock ring;231st,
Four through holes;232nd, fifth hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Example one:
Shown in reference picture 1, a kind of unmanned vehicle engine damping device, it is arranged between fuselage and engine.
Shown in reference picture 2, Fig. 3 and Fig. 4, damping device 2 includes fire-proof plate 21, shock ring 23 and is uniformly arranged on fire-proof plate
Several dampers between 21 and shock ring 23, are provided with six in the present embodiment, below exemplified by six.Preventing fires
Four are provided with plate 21 and is used for second through hole 211 bolted with fuselage 11 and six third through-holes 212, fire-proof plate 21 is logical
Third through-hole 212 is crossed to be fixedly connected with damper 22.
Damper 22 passes fuselage 11 by the first through hole 111 on fuselage 11.Damper 22 includes sleeve 221, sleeve
Two pistons 222 have been arranged symmetrically in 221, gap 224 is left between two pistons 222, to ensure two pistons in vibrations
222 will not contact.Piston 222 includes the piston head 2221 and piston rod 2222 of one, is cased with piston rod 2222 and piston
First 2221 compound springs 223 being fixedly connected with sleeve 221, the one end of piston head 2221 is provided with spiral shell in piston rod 2222
Line, and snap ring 22221 has been wholely set on piston rod 2222, snap ring 22221 is arranged on outside sleeve 221, and and sleeve
Certain interval is left between 221, to ensure that snap ring 22221 does not contact with sleeve 221 in vibrations, weakens damping effect.Damping
Device 22 is to be fixedly connected by the screw thread on piston rod 2222 and with the nut that screw thread coordinates with fire-proof plate 21 and shock ring 23
's.
Shock ring 23 is made from the polyurethane material of outstanding damping effect, is provided with shock ring 23 and damping
The fourth hole 231 of the corresponding number of device 22, with for being fixedly connected with damper 22.The both ends of damper 22 are each passed through threeway
Hole 212 and fourth hole 231, and it is fixedly connected with fire-proof plate 21 and damping by snap ring 22221 and with the nut that screw thread coordinates
Ring 23.At least four fifth holes 232 are also evenly arranged with shock ring 23, shock ring 23 is by fifth hole with being arranged on
The bolt connection of body fixed seat 121 on engine 12.
Engine 12 and fuselage 11 are physically directly connected to by damping device 2, pass through shock ring 23 and damper
Most of vibroseis caused by 22 engines 12 absorbs buffering and fallen, and the vibrations being delivered on fire-proof plate 21 are just greatly reduced
, stability during 1 flight of unmanned plane is ensured with this.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of unmanned vehicle engine damping device, the damping device is arranged between fuselage (11) and engine (12), and it is special
Sign is:Including the fire-proof plate (21) being fixedly connected with fuselage (11), the shock ring (23) being fixedly connected with engine (12) with
And several are fixedly connected with the damper (22) of fire-proof plate (21) and shock ring (23), the damper (22) includes sleeve
(221) and sleeve (221) both ends are arranged on it are used to be respectively fixedly connected with the damping of fire-proof plate (21) and damper (22).
A kind of 2. unmanned vehicle engine damping device according to claim 1, it is characterised in that:The damping includes
The piston (222) of connection is slid with sleeve (221) and is fixedly connected with the damping buffer unit of sleeve (221) and piston (222).
A kind of 3. unmanned vehicle engine damping device according to claim 2, it is characterised in that:The damping buffer unit
Including compound spring(223).
A kind of 4. unmanned vehicle engine damping device according to claim 3, it is characterised in that:Piston (222) bag
Include the piston head (2221) being arranged in sleeve (221) and be fixedly connected with piston head (2221) and pass sleeve (221)
Piston rod (2222), the compound spring(223)Be set on piston rod (2222) and both ends respectively with piston head (2221)
It is fixedly connected with sleeve (221) inwall, space is left between two piston heads (2221) in same sleeve (221).
5. a kind of unmanned vehicle engine damping device according to claim 4, it is characterized in that:The piston rod (2222) is stretched
The part for going out sleeve (221) is fixedly installed two piston heads (2221) the mutually abutting prevented in same sleeve (221)
Stopping means.
A kind of 6. unmanned vehicle engine damping device according to claim 5, it is characterised in that:The stopping means is set
For the snap ring (22221) being wholely set with piston rod (2222).
A kind of 7. unmanned vehicle engine damping device according to claim 6, it is characterised in that:The piston rod (2222)
Screw thread is provided at both ends with, the fire-proof plate (21) and shock ring (23) are respectively arranged with the threeway coordinated with piston rod (2222)
Hole (212) and fourth hole (231), damper (22) both ends are each passed through third through-hole (212) and fourth hole
(231) fire-proof plate (21) and shock ring (23), and by snap ring (22221) and with the nut that screw thread coordinates are fixedly connected with.
A kind of 8. unmanned vehicle engine damping device according to claim 1-7 any one, it is characterised in that:It is described anti-
Fiery plate (21) and shock ring (23) be respectively arranged with the second through hole (211) for being fixedly connected with fuselage (11) and with engine (12)
The fifth hole (232) being fixedly connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720976280.9U CN207157556U (en) | 2017-08-05 | 2017-08-05 | Unmanned vehicle engine damping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720976280.9U CN207157556U (en) | 2017-08-05 | 2017-08-05 | Unmanned vehicle engine damping device |
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Publication Number | Publication Date |
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CN207157556U true CN207157556U (en) | 2018-03-30 |
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CN201720976280.9U Active CN207157556U (en) | 2017-08-05 | 2017-08-05 | Unmanned vehicle engine damping device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109335006A (en) * | 2018-09-27 | 2019-02-15 | 西安三翼航空科技有限公司 | A kind of damping device for unmanned vehicle engine |
CN110920908A (en) * | 2019-12-05 | 2020-03-27 | 广东电网有限责任公司 | Laser hangs down stationary vane unmanned aerial vehicle power and hangs shock-absorbing structure |
CN111174068A (en) * | 2020-02-12 | 2020-05-19 | 北京首赫防务科技有限公司 | Support with support arm is applied to on-vehicle unmanned vehicles and is listened and defense equipment |
CN111746805A (en) * | 2020-05-21 | 2020-10-09 | 卓尔飞机制造(武汉)有限公司 | Novel aircraft engine installing support |
WO2022257806A1 (en) * | 2021-06-10 | 2022-12-15 | 米建军 | Back-borne aircraft |
-
2017
- 2017-08-05 CN CN201720976280.9U patent/CN207157556U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109335006A (en) * | 2018-09-27 | 2019-02-15 | 西安三翼航空科技有限公司 | A kind of damping device for unmanned vehicle engine |
CN110920908A (en) * | 2019-12-05 | 2020-03-27 | 广东电网有限责任公司 | Laser hangs down stationary vane unmanned aerial vehicle power and hangs shock-absorbing structure |
CN111174068A (en) * | 2020-02-12 | 2020-05-19 | 北京首赫防务科技有限公司 | Support with support arm is applied to on-vehicle unmanned vehicles and is listened and defense equipment |
CN111746805A (en) * | 2020-05-21 | 2020-10-09 | 卓尔飞机制造(武汉)有限公司 | Novel aircraft engine installing support |
WO2022257806A1 (en) * | 2021-06-10 | 2022-12-15 | 米建军 | Back-borne aircraft |
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