CN207157556U - Unmanned vehicle engine damping device - Google Patents

Unmanned vehicle engine damping device Download PDF

Info

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
Authority
CN
China
Prior art keywords
sleeve
fixedly connected
fire
damping device
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720976280.9U
Other languages
Chinese (zh)
Inventor
丁锋
云贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Haili Sky Dream Technology Co Ltd
Original Assignee
Beijing Haili Sky Dream Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Haili Sky Dream Technology Co Ltd filed Critical Beijing Haili Sky Dream Technology Co Ltd
Priority to CN201720976280.9U priority Critical patent/CN207157556U/en
Application granted granted Critical
Publication of CN207157556U publication Critical patent/CN207157556U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • 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

Unmanned vehicle engine damping device
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.
CN201720976280.9U 2017-08-05 2017-08-05 Unmanned vehicle engine damping device Active CN207157556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN201720976280.9U CN207157556U (en) 2017-08-05 2017-08-05 Unmanned vehicle engine damping device

Publications (1)

Publication Number Publication Date
CN207157556U true CN207157556U (en) 2018-03-30

Family

ID=61716145

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720976280.9U Active CN207157556U (en) 2017-08-05 2017-08-05 Unmanned vehicle engine damping device

Country Status (1)

Country Link
CN (1) CN207157556U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN207157556U (en) Unmanned vehicle engine damping device
CN102518727B (en) Totally-closed rigidity adjustable type vibration isolator
US20200191235A1 (en) Shock absorber of gimbal, gimbal assembly, and movable photographing device
CN110654557B (en) Unmanned aerial vehicle's shock-absorbing structure
CN209083901U (en) Unmanned aerial vehicle cloud platform damping vibration attenuation platform and unmanned aerial vehicle thereof
CN105626758A (en) Magneto-rheological damper used for installation and debugging of helicopter high-definition camera
CN102588504A (en) Power vibration absorber for helicopter
CN218806515U (en) Shock absorption support for unmanned aerial vehicle surveying and mapping
CN208364665U (en) A kind of Combined-type shock-absorption device for aircraft
CN202560924U (en) Aerial photography shock absorption device for small unmanned aerial vehicle
US6036163A (en) Vibration-proof system for a model-craft engine
CN111946449B (en) Diesel engine generator set with damping effect
CN207161326U (en) A kind of screw compressor with shock-absorbing function
CN212172559U (en) High-frequency partial discharge detection pod for unmanned aerial vehicle
CN206511113U (en) A kind of multi-rotor unmanned aerial vehicle damping undercarriage
CN211032996U (en) Unmanned aerial vehicle shock absorber support
CN211059607U (en) Target drone avionics system shock absorption and fixing device
CN213862656U (en) Four rotor unmanned aerial vehicle shock mounts of combined type
CN209510994U (en) A kind of automobile absorber with dustproof effect
CN109927916A (en) A kind of military aircraft composite material radome fairing
CN208778557U (en) A kind of piston-engined damping device of unmanned plane
CN221163416U (en) Unmanned aerial vehicle descending damper
CN208470100U (en) A kind of unmanned plane damping device
CN106812860A (en) A kind of combined type damper
CN208233163U (en) A kind of automobile absorbing vehicle frame

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant