CN206031765U - Helicopter and undercarriage thereof - Google Patents
Helicopter and undercarriage thereof Download PDFInfo
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- CN206031765U CN206031765U CN201620923984.5U CN201620923984U CN206031765U CN 206031765 U CN206031765 U CN 206031765U CN 201620923984 U CN201620923984 U CN 201620923984U CN 206031765 U CN206031765 U CN 206031765U
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- frame
- retardation
- damage
- helicopter
- undercarriage
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Abstract
The utility model discloses an undercarriage of helicopter, including the foot rest of sled type with install the anti frame that decreases of secondary on the foot rest, two secondaries are anti to decrease frame symmetry setting, and the anti both ends of decreasing the frame of secondary install respectively on two crossbeams of foot rest, the anti upper end of decreasing the frame of secondary is connected with the organism, at the anti frame that decreases of foot shelf location secondary, make the foot rest pass through the anti frame that decreases of secondary and be connected with the organism, under normal operating conditions, the foot rest supports the helicopter organism with the anti frame that decreases of secondary jointly, and when the helicopter met accident the air crash, the foot rest can absorb certain impact force, can absorb more impact forces through the anti deformation of decreasing the frame of secondary, and the secondary is anti to be decreased for the helicopter provides to the anti damage ability of helicopter has been improved. The utility model also discloses a helicopter of including above -mentioned undercarriage.
Description
Technical field
This utility model is related to helicopter field, more particularly to a kind of undercarriage of helicopter.Additionally, this utility model
Further relate to a kind of helicopter including above-mentioned undercarriage.
Background technology
Helicopter belongs to the high aircraft of price, reduces body loss ten when helicopter occurs unexpected to greatest extent
Divide important.Undercarriage is mounted in below helicopter body, supports body and be used for ground in helicopter takes off descent
The accessories apparatus of sliding, when helicopter occurs unexpected, undercarriage can play certain damping damage-retardation effect.
The undercarriage of existing helicopter is generally located at the wheeled or sled type foot rest below ventral, and both structures are all
Can play a part of to support body in helicopter descent, and with certain damping effect, but damage-retardation is limited in one's ability；
Generally quickly drop along ventral direction when unexpected air crash occurs in helicopter, and sled type foot rest structure or wheel undercarriage knot
Structure be it is totally insufficient to provide effective damping energy-absorbing effect, therefore can not effective protection body.
Therefore the damage-retardation ability for how improving helicopter is the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of undercarriage of helicopter, and its structure design can improve the anti-of helicopter
Damage ability.Another object of the present utility model is to provide a kind of helicopter including above-mentioned undercarriage.
For solving above-mentioned technical problem, this utility model provides a kind of undercarriage of helicopter, including the foot rest of sled type
With the secondary damage-retardation frame on the foot rest, two secondary damage-retardation frames are symmetrical arranged, and the secondary damage-retardation frame
Two ends are separately mounted on two crossbeams of the foot rest, and the upper end of the secondary damage-retardation frame is connected with body.
Preferably, also including the little frame of damage-retardation, the rear end of the secondary damage-retardation frame is by the little frame of the damage-retardation and positioned at rear end
The crossbeam be fixedly connected, the upper end of the little frame of the damage-retardation is connected with body.
Preferably, it is bolted to connection between the secondary damage-retardation frame and the little frame of the damage-retardation.
It is preferably located on the crossbeam of rear end and is provided with for connecting the secondary damage-retardation frame and the little frame of the damage-retardation
Link, the rear end of the secondary damage-retardation frame and the little frame of the damage-retardation are fixedly connected with the link by bolt.
Preferably, the front end of the secondary damage-retardation frame is bolt-connected on rack fixing seat, the rack fixing seat
It is fixedly connected with the crossbeam positioned at front end by support hoop lid.
Preferably, the secondary damage-retardation frame and the little frame of the damage-retardation are metal framework structure.
Preferably, the upper end of the secondary damage-retardation frame and the little frame of the damage-retardation is provided with the bolt for installing body
Hole.
Preferably, the connecting rod for increasing intensity is additionally provided between two secondary damage-retardation frames.
This utility model also provides a kind of helicopter, including body and the undercarriage being installed on below the body, institute
State undercarriage and be specially the undercarriage described in above-mentioned any one.
The undercarriage of the helicopter that this utility model is provided, the foot rest including sled type and secondary anti-on foot rest
Frame is damaged, two secondary damage-retardation frames are symmetrical arranged, and the two ends of secondary damage-retardation frame are separately mounted on two crossbeams of foot rest, secondary
The upper end of damage-retardation frame is connected with body；Secondary damage-retardation frame is installed on foot rest, foot rest is connected with body by secondary damage-retardation frame,
In normal operation, foot rest supports helicopter body jointly with secondary damage-retardation frame, when there is unexpected air crash in helicopter, foot
Frame can absorb certain impulsive force, can absorb more impulsive forces by the deformation of secondary damage-retardation frame, provide two for helicopter
Secondary damage-retardation, so that improve the damage-retardation ability of helicopter.
The helicopter that this utility model is provided includes above-mentioned undercarriage, as above-mentioned undercarriage has above-mentioned technique effect,
Above-mentioned helicopter should also have same technique effect, and here is no longer discussed in detail.
Description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of the undercarriage of helicopter provided by the utility model；
Fig. 2 is the front view of Fig. 1 provided by the utility model.
Specific embodiment
Core of the present utility model is to provide a kind of undercarriage of helicopter, and its structure design can improve the anti-of helicopter
Damage ability.Another object of the present utility model is to provide a kind of helicopter including above-mentioned undercarriage.
In order that those skilled in the art more fully understand this utility model scheme, below in conjunction with the accompanying drawings and it is embodied as
The utility model is described in further detail for mode.
Refer to a kind of specific embodiment party of Fig. 1 and the undercarriage that Fig. 2, Fig. 1 are helicopter provided by the utility model
The structural representation of formula；Fig. 2 is the front view of Fig. 1 provided by the utility model.
The undercarriage of the helicopter that this utility model specific embodiment is provided, foot rest 1 including sled type and is arranged on
Secondary damage-retardation frame 2 on foot rest 1, two secondary damage-retardation frames 2 are symmetrical arranged, and the two ends of secondary damage-retardation frame 2 are separately mounted to foot
On two crossbeams 13 of frame 1, the upper end of secondary damage-retardation frame 2 is connected with body.
Secondary damage-retardation frame 2 is installed on foot rest 1, foot rest 1 is connected with body by secondary damage-retardation frame 2, in normal work
Under state, foot rest 1 and secondary damage-retardation frame 2 is common supports helicopter body, when helicopter occurs unexpected air crash, foot rest 1 can be with
Certain impulsive force is absorbed, more impulsive forces can be absorbed by the deformation of secondary damage-retardation frame 2, provide secondary anti-for helicopter
Damage, so as to improve the damage-retardation ability of helicopter.
Wherein it should be noted that the foot rest 1 of sled type is the landing gear structure that helicopter is commonly used, it is generally set by parallel
Two sleds 11 put and the connecting rod composition for connecting two sleds 11, connecting rod are usually by crossbeam 13 and are located at crossbeam
The arc-shaped connecting rod that the vertical beam 12 of 13 both sides is formed by connecting, be to keep balance, generally by arranging in front and back between two sleds 11
Two connecting rod connections；For mitigating weight, foot rest 1 is usually hollow metal tubulose structure, for convenience fabrication and processing, sled 11,
Crossbeam 13 and vertical beam 12 can also be integrally formed；In addition, forward and backward, front end mentioned in this utility model specific embodiment,
Rear end etc. is only relative concept, does not refer to concrete orientation.
The undercarriage of the helicopter that this utility model specific embodiment is provided, also including the little frame 3 of damage-retardation, secondary damage-retardation frame
2 rear end is fixedly connected with the crossbeam 13 for being located at 1 rear end of foot rest by the little frame of damage-retardation 3, the upper end of the little frame of damage-retardation 3 and body company
Connect.The little frame of secondary damage-retardation frame 2 and damage-retardation 3 collectively constitutes the secondary structure damage of helicopter, can reduce the body of secondary damage-retardation frame 2
Product, convenient processing, material-saving and cost.
There are various connected modes between secondary damage-retardation frame 2 and the little frame of damage-retardation 3, it is excellent between secondary damage-retardation frame 2 and the little frame 3 of damage-retardation
Choosing is fixedly connected using bolt, convenient to install and dismounting.There is bolt and nut group the intersection of secondary damage-retardation frame 2 and the little frame of damage-retardation 3,
When helicopter bears large impact power, the bolt of secondary damage-retardation frame 2 and little 3 intersection of frame of damage-retardation is first because shearing force disconnects, then leads to
Cross the deformation of secondary damage-retardation frame 2 and the little frame of damage-retardation 3 to absorb impulsive force.Certainly, between secondary damage-retardation frame 2 and the little frame of damage-retardation 3
Can be from other connected modes such as welding, within protection domain of the present utility model.
Furthermore it is also possible to be provided with link 4 on the crossbeam 13 of 1 rear end of foot rest, link 4 is used for connecting secondary
Damage-retardation frame 2 and the little frame 3 of damage-retardation, the rear end of secondary damage-retardation frame 2 are bolted to connection on link 4, and the little frame of damage-retardation 3 also leads to
Cross bolt to be fixedly attached on link 4, link 4 facilitates the connection of the little frame 3 of secondary damage-retardation frame 2, damage-retardation and crossbeam 13.It is above-mentioned
Link 4 is only a kind of preferred version, is specifically not limited to this, it is also possible to be not provided with link 4, and the little frame 3 of damage-retardation is directly fixed
On crossbeam 13, as long as ensureing that connection is reliable, also within protection domain of the present utility model.
The undercarriage that this utility model specific embodiment is provided, for convenience of connecting, the front end of secondary damage-retardation frame 2 can be consolidated
Surely rack fixing seat 5 is connected with, and rack fixing seat 5 is fixedly connected with the crossbeam 13 positioned at front end by support hoop lid；Specifically
Ground, can be bolted between secondary damage-retardation frame 2 and rack fixing seat 5, also may be used between rack fixing seat 5 and support hoop lid
To be bolted, bolt connection is solid and reliable, and is easily installed and dismounting.It is of course also possible to be not provided with rack fixing seat 5
With crossbeam 13, other connected modes can also be connected by welding etc. between secondary damage-retardation frame 2 and crossbeam 13, as long as ensureing connection
It is reliable, also within protection domain of the present utility model.
On the basis of above-mentioned each specific embodiment, secondary damage-retardation frame 2 and the little frame of damage-retardation 3 can be metal framework knot
Structure, intensity are high, and damping energy-absorbing effect is good, can bear more impulsive forces, lightweight, will not excessively increase body weight；Specifically
Ground, secondary damage-retardation frame 2 and the little frame of damage-retardation 3 can be hollow hollow out frame structure, further reduce weight, and hollow hole specifically may be used
Think triangle, it is ensured that structural stability.This utility model is not made specifically to the structure of secondary damage-retardation frame 2 and the little frame of damage-retardation 3
Limit, as long as the damage-retardation ability of body can be increased, within protection domain of the present utility model.
For convenience of the connection of body and undercarriage, bolt can be set in the upper end of secondary damage-retardation frame 2 and the little frame of damage-retardation 3
Hole, makes body be bolted installed in the top of undercarriage, and bolt connection is solid and reliable, and is easily installed and dismounting；When
Other connected modes can also be so selected, also within protection domain of the present utility model.
On the basis of above-mentioned each specific embodiment, can be provided with connecting rod 6 between two secondary damage-retardation frames 2,
Connected by connecting rod 6 between two secondary damage-retardation frames 2, connecting rod 6 is equivalent to reinforcement, by increasing capacitance it is possible to increase structural strength, enters one
Step increases damage-retardation ability.The number of connecting rod 6 and set-up mode voluntarily can be adjusted, protection domain of the present utility model it
It is interior.
Except above-mentioned undercarriage, specific embodiment of the present utility model also provides a kind of going straight up to including above-mentioned undercarriage
Machine, the structure of the helicopter other each several parts refer to prior art, repeat no more herein.
Above helicopter provided by the utility model and its undercarriage are described in detail.Tool used herein
Body example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands
Method of the present utility model and its core concept.It should be pointed out that for those skilled in the art, do not taking off
On the premise of this utility model principle, some improvement and modification can also be carried out to this utility model, these improve and modify
Also fall in this utility model scope of the claims.
Claims (9)
1. a kind of undercarriage of helicopter, it is characterised in that foot rest (1) including sled type and be arranged on the foot rest (1)
Secondary damage-retardation frame (2), two secondary damage-retardation frame (2) are symmetrical arranged, and the two ends of secondary damage-retardation frame (2) are pacified respectively
It is mounted on two crossbeams (13) of the foot rest (1), the upper end of secondary damage-retardation frame (2) is connected with body.
2. undercarriage according to claim 1, it is characterised in that also including the little frame of damage-retardation (3), the secondary damage-retardation frame
(2) rear end is fixedly connected with the crossbeam (13) positioned at rear end by the little frame of the damage-retardation (3), and the damage-retardation is little frame (3)
Upper end be connected with body.
3. undercarriage according to claim 2, it is characterised in that secondary damage-retardation frame (2) and the little frame of the damage-retardation (3)
Between be bolted to connection.
4. undercarriage according to claim 3, it is characterised in that be provided with the crossbeam (13) of rear end for
Connect the link (4) of secondary damage-retardation frame (2) and the little frame of the damage-retardation (3), the rear end of secondary damage-retardation frame (2) and institute
State the little frame of damage-retardation (3) to be fixedly connected with the link (4) by bolt.
5. undercarriage according to claim 4, it is characterised in that the front end of secondary damage-retardation frame (2) is connected by bolt
It is connected on rack fixing seat (5), described rack fixing seat (5) are by support hoop lid (6) and the crossbeam (13) for being located at front end
It is fixedly connected.
6. undercarriage according to claim 2, it is characterised in that secondary damage-retardation frame (2) and the little frame of the damage-retardation (3)
It is metal framework structure.
7. undercarriage according to claim 6, it is characterised in that secondary damage-retardation frame (2) and the little frame of the damage-retardation (3)
Upper end be provided with the bolt hole for installing body.
8. the undercarriage according to claim 1 to 7 any one, it is characterised in that two secondary damage-retardation frame (2) it
Between be additionally provided with connecting rod (7) for increasing intensity.
9. a kind of helicopter, including body and the undercarriage being installed on below the body, it is characterised in that the undercarriage
Undercarriage specially described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923984.5U CN206031765U (en) | 2016-08-23 | 2016-08-23 | Helicopter and undercarriage thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923984.5U CN206031765U (en) | 2016-08-23 | 2016-08-23 | Helicopter and undercarriage thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206031765U true CN206031765U (en) | 2017-03-22 |
Family
ID=58302757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620923984.5U Active CN206031765U (en) | 2016-08-23 | 2016-08-23 | Helicopter and undercarriage thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206031765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111315654A (en) * | 2017-06-01 | 2020-06-19 | 舒尔弗莱股份有限公司 | Auxiliary power system for rotorcraft having folding rotor arms and crush zone landing gear |
-
2016
- 2016-08-23 CN CN201620923984.5U patent/CN206031765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111315654A (en) * | 2017-06-01 | 2020-06-19 | 舒尔弗莱股份有限公司 | Auxiliary power system for rotorcraft having folding rotor arms and crush zone landing gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 410000 room 52, door 5, building 30, No. 114, xinkaipu Road, Tianxin District, Changsha City, Hunan Province Patentee after: Li Jun Address before: 410000 carton factory of nantuoling community, NANTUO street, Tianxin District, Changsha City, Hunan Province Patentee before: HUNAN KUTA TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: 110000 Shenyang General Aviation Industrial Base, Liaoning Province Patentee after: Faku Zhongjun Wing UAV Technology Co.,Ltd. Address before: 410000 room 52, door 5, building 30, No. 114, xinkaipu Road, Tianxin District, Changsha City, Hunan Province Patentee before: Li Jun |