CN107253522A - Helicopter retractable landing gear - Google Patents
Helicopter retractable landing gear Download PDFInfo
- Publication number
- CN107253522A CN107253522A CN201710609117.3A CN201710609117A CN107253522A CN 107253522 A CN107253522 A CN 107253522A CN 201710609117 A CN201710609117 A CN 201710609117A CN 107253522 A CN107253522 A CN 107253522A
- Authority
- CN
- China
- Prior art keywords
- landing gear
- helicopter
- hydraulic pump
- telescopic
- change
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 208000027418 Wounds and injury Diseases 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 208000014674 injury Diseases 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000004297 night vision Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 239000012208 gear oil Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/22—Operating mechanisms fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C2025/325—Alighting gear characterised by elements which contact the ground or similar surface specially adapted for helicopters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of helicopter retractable landing gear, go straight up to and telescopic landing gear is fixed with machine base, go straight up to and hydraulic pump is provided with the cavity between machine base and engine room foundation, oil inlet of the pipeline road of hydraulic pump respectively with telescopic landing gear is connected, the junction of pipeline road and oil inlet is respectively equipped with magnetic valve, oil-out of the return line of hydraulic pump respectively with telescopic landing gear is connected, the junction of return line and oil-out is respectively equipped with magnetic valve, the bottom of telescopic landing gear is provided with wheel, the range sensor for detecting vertical height is fixed with by connecting rod in the rotating shaft of the wheel.The present invention efficiently solves helicopter the problem of smooth safe falling is uneven on ground, have the advantages that it is simple in construction, easy install, it is simple to operate and easy to use.
Description
Technical field
Risen and fallen auxiliary support apparatus technical field the invention belongs to helicopter, and in particular to a kind of helicopter is flexible to rise and fall
Frame.
Background technology
Helicopter in modern war or some in particular cases, such as when have area occur natural calamity when, at this moment directly
The machine of liter can just play an important role, but for Hilly land, ground is uneven and performs task band to helicopter
Very big inconvenience is carried out.The helicopter used at present is largely heavy helicopter or Medium Helicopter, and their undercarriage belongs to
Three-point mount formula, these helicopters smoothly can not be dropped to safely on rugged ground, if helicopter drops to height
On low uneven ground and it is possible to can occur rollover event, causes unnecessary potential safety hazard and economic loss.For mountain
The ground such as area hills be uneven area heavy helicopter and Medium Helicopter can not smoothly safe landing the problem of, the present invention is set
A kind of helicopter retractable landing gear is counted.
The content of the invention
Present invention solves the technical problem that helicopter retractable landing gear a kind of simple in construction and reasonable in design is there is provided,
Enable the smooth safe falling of helicopter on rugged ground by adjusting three telescopic landing gears.
The present invention is to solve above-mentioned technical problem to adopt the following technical scheme that, helicopter retractable landing gear, it is characterised in that：
Go straight up to the helicopter being fixed with machine base between three telescopic landing gears being triangularly arranged, three telescopic landing gears
Camera is fixed with base, goes straight up to and hydraulic pump, hydraulic oil pipeline and electricity is provided with the cavity between machine base and engine room foundation
Oil inlet of the pipeline road in source, wherein hydraulic pump respectively with telescopic landing gear is connected, the connection of pipeline road and oil inlet
Place is respectively equipped with magnetic valve, and the oil-out of the return line of hydraulic pump respectively with telescopic landing gear is connected, and return line is with going out
The junction of hydraulic fluid port is respectively equipped with magnetic valve, and the bottom of telescopic landing gear is provided with wheel, the rotating shaft of the wheel by connection
Bar is fixed with the range sensor for detecting vertical height, and the console of engine room inside is provided with control panel, in chain of command
Plate be provided with control button, display screen and central controller, the central controller by circuit respectively with camera, Distance-sensing
Device, magnetic valve, hydraulic pump, control button, display screen and power supply are electrically connected with.
Further preferably, the control button includes switching function key, monitoring function key and recovers function key.
Further preferably, the model DATA-7311 of the central controller, power supply passes through power supply adaptor and controller
DATA-7311 power port is electrically connected with, and range sensor passes through A/D change-over circuits and controller DATA-7311 signal
Input port is connected, and camera is connected by A/D change-over circuits with controller DATA-7311 video input port, display screen
It is connected by A/D change-over circuits with controller DATA-7311 video-out port, magnetic valve passes through A/D change-over circuits and control
Device DATA-7311 processed signal output port connection, control button passes through A/D change-over circuits and controller DATA-7311 letter
Number input port connection, hydraulic pump is connected by A/D change-over circuits with controller DATA-7311 signal input port.
Further preferably, the pipeline road and return line are hydraulic hose, and the hydraulic hose is by inner glue layer, steel wire
Wind enhancement layer and outer glue-line composition, wherein inner glue layer bear pressure for pumped (conveying) medium and protect steel wire winding enhancement layer not by
Corrode, outer glue-line is used to protect steel wire winding enhancement layer injury-free, steel wire winding enhancement layer is used to increase as framework material
The compressive resistance of hydraulic hose.
Further preferably, the collapsing length of the telescopic landing gear is 0-60cm.
Further preferably, the camera is 360 ° of full-view cameras with night vision function.
The present invention efficiently solves helicopter the problem of smooth safe falling is uneven on ground, with structure letter
Single, easy installation, advantage simple to operate and easy to use.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention；
Fig. 3 is the circuit module connection figure of the present invention.
In figure：1st, machine base is gone straight up to, 2, telescopic landing gear, 3, camera, 4, hydraulic pump, 5, pipeline road, 6, oil-feed
Mouthful, 7, magnetic valve, 8, return line, 9, oil-out, 10, wheel, 11, connecting rod, 12, range sensor.
Embodiment
Technical scheme, as Figure 1-3, helicopter retractable landing gear, helicopter is described in detail with reference to accompanying drawing
The helicopter bottom between three telescopic landing gears 2 being triangularly arranged, three telescopic landing gears 2 is fixed with base 1
Be fixed with camera 3 on seat 1, go straight up in cavity between machine base 1 and engine room foundation provided with hydraulic pump 4, hydraulic oil pipeline and
Oil inlet 6 of the pipeline road 5 of power supply, wherein hydraulic pump 4 respectively with telescopic landing gear 2 is connected, pipeline road 5 and oil inlet
6 junction is respectively equipped with magnetic valve 7, and the oil-out 9 of the return line 8 of hydraulic pump 4 respectively with telescopic landing gear 2 is connected,
The junction of return line 8 and oil-out 9 is respectively equipped with magnetic valve 7, and the bottom of telescopic landing gear 2 is provided with wheel 10, the wheel
The range sensor 12 for detecting vertical height, the console of engine room inside are fixed with by connecting rod 11 in the rotating shaft of son 10
Control panel is provided with, on the control panel provided with control button, display screen and central controller, the central controller leads to respectively
Circuit is crossed to be electrically connected with camera 3, range sensor 12, magnetic valve 7, hydraulic pump 4, control button, display screen and power supply.
Control button of the present invention includes switching function key, monitoring function key and recovers function key；The center control
The model DATA-7311 of device, power supply is electrically connected with by power supply adaptor and controller DATA-7311 power port, away from
It is connected from sensor by A/D change-over circuits with controller DATA-7311 signal input port, camera is changed by A/D
Circuit is connected with controller DATA-7311 video input port, and display screen passes through A/D change-over circuits and controller DATA-
7311 video-out port connection, magnetic valve is connected by A/D change-over circuits and controller DATA-7311 signal output port
Connect, control button is connected by A/D change-over circuits with controller DATA-7311 signal input port, hydraulic pump is turned by A/D
The signal input port that circuit is changed with controller DATA-7311 is connected；The pipeline road and return line are hydraulic hose,
The hydraulic hose is made up of inner glue layer, steel wire winding enhancement layer and outer glue-line, and wherein inner glue layer bears pressure for pumped (conveying) medium
And protect steel wire winding enhancement layer not weather, outer glue-line is used to protect steel wire winding enhancement layer injury-free, and steel wire winding increases
Strong layer is used to increase the compressive resistance of hydraulic hose as framework material；The collapsing length of the telescopic landing gear is 0-
60cm；The camera is 360 ° of full-view cameras with night vision function.
The present invention carrying out practically process be：When helicopter needs to drop to rugged ground, helicopter is controlled
First it is suspended in and lands above the ground in the air, presses the beginning function key on control panel, helicopter is telescopic according to three
Landing gear each judges the length for each needing to extend apart from the height on ground, and by controlling different magnetic valves to make three
Telescopic landing gear is extended to the length for needing to extend, and needs to press monitoring function key while pressing and starting function key to supervise
Control whether telescopic landing gear normally runs, can land helicopter and then reality if telescopic landing gear normally operation in place
Now by the smooth safe falling of helicopter on rugged ground；Need to take off helicopter when need to press recovery function key,
Three telescopic landing gears of helicopter is recovered to original state, now can also press monitoring function key simultaneously to monitor three
Whether individual telescopic landing gear recovers to original state, is finally completed landing take-off process of the helicopter in arbitrary site.
Have been shown and described above the general principle of the present invention, principal character and advantage, do not depart from spirit of the invention and
On the premise of scope, the present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention
Scope.
Claims (6)
1. helicopter retractable landing gear, it is characterised in that：Go straight up to be fixed with machine base three be triangularly arranged it is telescopic
Going straight up between landing gear, three telescopic landing gears is fixed with camera on machine base, go straight up to machine base and engine room foundation it
Between cavity in be provided with hydraulic pump, hydraulic oil pipeline and power supply, wherein the pipeline road of hydraulic pump respectively with telescopic landing gear
Oil inlet connection, the junction of pipeline road and oil inlet is respectively equipped with magnetic valve, and the return line of hydraulic pump is respectively with stretching
The junction of the oil-out connection of contracting formula landing gear, return line and oil-out is respectively equipped with magnetic valve, telescopic landing gear
Bottom is provided with wheel, the rotating shaft of the wheel is fixed with the range sensor for detecting vertical height, cabin by connecting rod
Internal console is provided with control panel, on the control panel provided with control button, display screen and central controller, the center
Controller is electrical with camera, range sensor, magnetic valve, hydraulic pump, control button, display screen and power supply respectively by circuit
Connection.
2. helicopter retractable landing gear according to claim 1, it is characterised in that：The control button includes switching function
Key, monitoring function key and recovery function key.
3. helicopter retractable landing gear according to claim 1, it is characterised in that：The model of the central controller
DATA-7311, power supply is electrically connected with by power supply adaptor and controller DATA-7311 power port, and range sensor leads to
The signal input port that A/D change-over circuits are crossed with controller DATA-7311 is connected, and camera passes through A/D change-over circuits and control
Device DATA-7311 video input port connection, display screen is defeated by the video of A/D change-over circuits and controller DATA-7311
Exit port is connected, and magnetic valve is connected by A/D change-over circuits with controller DATA-7311 signal output port, control button
It is connected by A/D change-over circuits with controller DATA-7311 signal input port, hydraulic pump passes through A/D change-over circuits and control
Device DATA-7311 processed signal input port connection.
4. helicopter retractable landing gear according to claim 1, it is characterised in that：The pipeline road and return line are equal
For hydraulic hose, the hydraulic hose is made up of inner glue layer, steel wire winding enhancement layer and outer glue-line, and wherein inner glue layer is used to convey and is situated between
Matter bears pressure and protects steel wire winding enhancement layer not weather, and outer glue-line is used to protect steel wire winding enhancement layer injury-free,
Steel wire winding enhancement layer is used to increase the compressive resistance of hydraulic hose as framework material.
5. helicopter retractable landing gear according to claim 1, it is characterised in that：The flexible length of the telescopic landing gear
Spend for 0-60cm.
6. helicopter retractable landing gear according to claim 1, it is characterised in that：The camera is with night vision function
360 ° of full-view cameras.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609117.3A CN107253522A (en) | 2017-07-25 | 2017-07-25 | Helicopter retractable landing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609117.3A CN107253522A (en) | 2017-07-25 | 2017-07-25 | Helicopter retractable landing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107253522A true CN107253522A (en) | 2017-10-17 |
Family
ID=60025830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710609117.3A Pending CN107253522A (en) | 2017-07-25 | 2017-07-25 | Helicopter retractable landing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107253522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591436A (en) * | 2020-04-30 | 2020-08-28 | 南京理工大学 | Pneumatic soft landing gear of small unmanned aerial vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746500A (en) * | 2009-12-03 | 2010-06-23 | 李子赫 | Device for compensating the difference of height by which a helicopter lands on a non-horizontal ground and the method thereof |
| CN103818548A (en) * | 2012-11-16 | 2014-05-28 | 哈尔滨飞机工业集团有限责任公司 | Landing gear device of self-adaptive all-terrain helicopter |
| CN205168876U (en) * | 2015-11-28 | 2016-04-20 | 郑州大学 | Lift vertically formula unmanned aerial vehicle undercarriage suitable for many topography |
| CN105730697A (en) * | 2016-03-23 | 2016-07-06 | 孔国琴 | Camera shooting aircraft |
| CN206939059U (en) * | 2017-07-25 | 2018-01-30 | 河南师范大学 | Helicopter retractable landing gear |
-
2017
- 2017-07-25 CN CN201710609117.3A patent/CN107253522A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746500A (en) * | 2009-12-03 | 2010-06-23 | 李子赫 | Device for compensating the difference of height by which a helicopter lands on a non-horizontal ground and the method thereof |
| CN103818548A (en) * | 2012-11-16 | 2014-05-28 | 哈尔滨飞机工业集团有限责任公司 | Landing gear device of self-adaptive all-terrain helicopter |
| CN205168876U (en) * | 2015-11-28 | 2016-04-20 | 郑州大学 | Lift vertically formula unmanned aerial vehicle undercarriage suitable for many topography |
| CN105730697A (en) * | 2016-03-23 | 2016-07-06 | 孔国琴 | Camera shooting aircraft |
| CN206939059U (en) * | 2017-07-25 | 2018-01-30 | 河南师范大学 | Helicopter retractable landing gear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591436A (en) * | 2020-04-30 | 2020-08-28 | 南京理工大学 | Pneumatic soft landing gear of small unmanned aerial vehicle |
| CN111591436B (en) * | 2020-04-30 | 2022-03-18 | 南京理工大学 | Pneumatic soft landing gear of small unmanned aerial vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106829815A (en) | The arm support control system and aerial work platform of aerial work platform | |
| CN204846391U (en) | Remote controlled electric does not have pole aircraft tractor | |
| CN206939059U (en) | Helicopter retractable landing gear | |
| CN104742787A (en) | Spraying mechanism for spraying vehicle and spraying vehicle | |
| CN107253522A (en) | Helicopter retractable landing gear | |
| CN107386157A (en) | A kind of parking lot hydraulic control retractable vehicle blocking apparatus | |
| CN107035347A (en) | A kind of valve regulating system of underground throttle device | |
| CN206242568U (en) | Novel hydraulic overload protective device | |
| CN205331089U (en) | Aircraft tractor double - circuit hydraulic drive system | |
| CN105401786A (en) | Safety measure rod lifting system controlled by remote computer | |
| CN207644085U (en) | A kind of distributed automatic inflatable/air control system of tire | |
| CN208009616U (en) | A kind of drainage car and control system with efficient stable manipulation | |
| CN206019638U (en) | Shaft tower tilt detection alarm | |
| CN212342071U (en) | Training device for aircraft landing gear | |
| CN204631662U (en) | A kind of aircraft deicing vehicle integrated control system | |
| CN107539929A (en) | A kind of low clearance can integral elevating omnidirectional intelligent family moving platform | |
| RU112143U1 (en) | HYDRAULIC DRIVE OF DRIVING WHEELS OF ACTIVE TRAILERS OF TRAIN TRAILS | |
| CN102501983B (en) | Large aircraft multi-functional ice melter | |
| CN209609154U (en) | A kind of agricultural cultivation banker | |
| CN208525799U (en) | A kind of aircraft cockpit experience apparatus suitable for children | |
| CN209098089U (en) | It is a kind of intelligence climbing robot go up and down praise mechanism | |
| CN206738040U (en) | A kind of automatic constant-pressure constant current fuel pump | |
| CN109573005A (en) | A kind of airborne making-up air device of pneumatic operation of landing gear of unmanned plane | |
| CN207106302U (en) | A kind of power takeoff constant pressure water supply car | |
| CN105369750B (en) | A kind of peace of remote mobile terminal control arranges bar jacking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171017 |