CN207997977U - A kind of undercarriage having from slip function - Google Patents
A kind of undercarriage having from slip function Download PDFInfo
- Publication number
- CN207997977U CN207997977U CN201820008982.2U CN201820008982U CN207997977U CN 207997977 U CN207997977 U CN 207997977U CN 201820008982 U CN201820008982 U CN 201820008982U CN 207997977 U CN207997977 U CN 207997977U
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- CN
- China
- Prior art keywords
- load sleeve
- bearing block
- dual
- way bearing
- slip function
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- 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.)
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Abstract
The utility model discloses a kind of undercarriages having from slip function, its key points of the technical solution are that:Including load sleeve and the running gear that is assemblied in below load sleeve at aircraft lower abdomen position is arranged, the running gear includes two symmetrically arranged wheels, it is equipped with driving device on the load sleeve, driving device includes the dual-axle motor for driving two wheels to rotate and is separately connected two output shafts of dual-axle motor with two groups of transmission devices with two wheels, has achieved the effect that aircraft is made to be not necessarily to that in the case where outside is drawn ground running can be carried out.
Description
Technical field
The utility model is related to a kind of undercarriages having from slip function.
Background technology
Undercarriage, which is exactly aircraft, to be parked on ground, slides, takeoff and anding slides the when of running and is used to support aircraft gravity, is born corresponding
The device of load.Undercarriage generally comprises load pillar, damper, wheel and brake with pneumatic tire.Load branch
Wheel and damper are connected on body by column;The impact force of aircraft is faced when damper can absorb aircraft landing;Wheel
Main function be ground support aircraft weight, reduce aircraft floor movement resistance, absorb aircraft landing and ground fortune
Part when dynamic hits kinetic energy;Brake can brake wheel;The top of load sleeve is provided with jack, receives
Undercarriage is received undercarriage within wing or fuselage by laying mechanism during aircraft flies in the air, can reduce flight
To obtain good aeroperformance, when aircraft landing, will gear down come resistance again.Aircraft is by its spray in ground running
What gas engine or propeller realized propulsive thrust made by air, the fuel oil of consumption is more, therefore on the ground of non-power-assisted of taking off
When the walking states of face(Such as aircraft is transferred to race start), usually aircraft is drawn to destination using tractor.
But by external tractor towing aircraft carry out bottom surface walking in the way of make the ground running of aircraft operate compared with
To be cumbersome, and efficiency is more low.
Utility model content
The purpose of this utility model is to provide a kind of undercarriage having from slip function, and aircraft can be made to be not necessarily to
Ground running can be carried out under the traction of outside.
The above-mentioned technical purpose of the utility model technical scheme is that:One kind has from slip work(
Can undercarriage, including be arranged aircraft lower abdomen position load sleeve and be assemblied in below load sleeve walking dress
It sets, the running gear includes two symmetrically arranged wheels, and driving device, driving device packet are equipped on the load sleeve
It includes the dual-axle motor of two wheels rotations of driving and is separately connected two output shafts and two wheels of dual-axle motor
Two groups of transmission devices.
By using above-mentioned technical proposal, wheel is driven to rotate by transmission device using dual-axle motor, to make aircraft
In the case where being drawn without outside ground running is realized by the wheel of itself undercarriage.
Further, the running gear further includes the two-way bearing block being connected horizontally below load sleeve, described double
Shaft is rotatably connected to on bearing block, two wheels are connected to the both ends of the shaft, the shaft and wheel
Between be provided with clutch.
Further, the running gear further includes piston rod of the sliding plug in load sleeve, the two-way bearing
Seat is fixedly connected on the end of piston rod, and damper, the both ends of damper are also associated between two-way bearing block and load sleeve
It is respectively hinged on two-way bearing block and load sleeve.
By using above-mentioned technical proposal, in aircraft landing, wheel and piston rod can upward micro-shifting, and using subtracting
The kinetic energy that device absorbs aircraft and ground shock is shaken, prevents undercarriage impaired with aircraft.
Further, the transmission device is chain and sprocket driving device comprising the active with the output axis connection of dual-axle motor
Sprocket wheel, the fixed driven sprocket being set in the shaft and the driving chain for connecting drive sprocket and driven sprocket.
By using above-mentioned technical proposal, the power of dual-axle motor is sent to wheel to drive in the way of chaindriven
Wheel rotates, and chaindriven transmission is relatively stable, and driving chain can bear larger pulling force.
Further, sliding sleeve is equipped with loading plate on the load sleeve, and the dual-axle motor is fixed on loading plate, institute
State and be connected with supporting rod between the lower face of loading plate and two-way bearing block, the both ends of supporting rod respectively with the lower face of loading plate
It is fixedly connected with two-way bearing block.
By using above-mentioned technical proposal, when wheel shifts up, two-way bearing block pushes loading plate by supporting rod
It axially syncs up and moves along load sleeve, to make the distance between drive sprocket and driven sprocket remain unchanged, avoid
The loosening that driving chain is likely to occur.
Further, the top of the load sleeve is provided with jack.
By using above-mentioned technical proposal, jack by entire undercarriage during aircraft flight for receiving machine
Within body, flight resistance can be reduced to obtain good aeroperformance, when aircraft landing will gear down come again.
Further, the transmission device is gear assembly comprising the master with the output axis connection of dual-axle motor
Moving gear and the fixed driven gear being set in the shaft.
By using above-mentioned technical proposal, the power of dual-axle motor is sent to wheel to drive in the way of gear-driven
Motivation wheel rotates, and gear-driven transmission is relatively stable, and can allow for larger rotating speed.
In conclusion the utility model has the advantages that:By assembling driving device on undercarriage, using double
Spindle motor drives wheel rotation by transmission device, to make aircraft rely on itself undercarriage in the case where being drawn without outside
Wheel realize ground running, easy to operate and efficiency is relatively high.
Description of the drawings
Fig. 1 is the integral position schematic diagram with the undercarriage from slip function;
Fig. 2 is the overall structure diagram of embodiment one;
Fig. 3 is the rearview of embodiment one;
Fig. 4 is the overall structure diagram of embodiment two.
In figure, 1, load sleeve;11, jack;12, loading plate;121, supporting rod;2, running gear;21, two-way axis
Bearing;22, wheel;221, shaft;222, clutch;23, piston rod;24, damper;3, driving device;31, dual-axle motor;
32, transmission device;321, drive sprocket;322, driven sprocket;323, driving chain;324, driving gear;325, driven gear.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down", " bottom
Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment one:A kind of undercarriage having from slip function, as shown in Figure 1, including being arranged in aircraft lower abdomen
The load sleeve 1 at position, the running gear 2 of lower section for being assemblied in load sleeve 1 and the driving of the driving walking of running gear 2 fill
Set 3.
As shown in Figures 2 and 3, load sleeve 1 is the primary load-carrying members of undercarriage, and upper part is provided with jack 11,
Jack 11 can reduce flight resistance to obtain for receiving entire undercarriage within fuselage during aircraft flight
Good aeroperformance, when aircraft landing, will gear down come again.Being horizontally disposed on load sleeve 1 has loading plate 12 to be used for
Driving device 3 is installed(As shown in Figure 1).
Running gear 2 includes the two-way bearing block 21 and difference rolling assembling for the lower section for being connected horizontally on load sleeve 1
Two wheels 22 at the both ends of two-way bearing block 21.Shaft 221 is rotatably connected on two-way bearing block 21, two wheels 22 divide
It is not connected to the both ends of shaft 221 and can be rotated with shaft 221.Clutch 222 is provided between shaft 221 and wheel 22, when
When aircraft landing or dependence engine takeoff run-up, so that wheel 22 is detached with shaft 221 using clutch 222 and be freely rotated.
It is arranged with pneumatic tire on wheel 22, part when can absorb aircraft landing and ground motion hits kinetic energy(Such as Fig. 1 institutes
Show).
Running gear 2 further includes piston rod 23 of the sliding plug in load sleeve 1, and two-way bearing block 21 is fixedly connected on
The end of piston rod 23 and axial direction that can be with piston rod 23 along load sleeve 1 moves up and down, two-way bearing block 21 and load sleeve 1
Between be connected with damper 24, the both ends of damper 24 be respectively hinged at two-way bearing block 21 on load sleeve 1.By above-mentioned
Setting absorbs the kinetic energy of aircraft and ground shock using damper 24 in aircraft landing, prevents undercarriage impaired with aircraft.
Driving device 3 includes the dual-axle motor 31 being fixedly mounted on loading plate 12 and connection dual-axle motor 31 and wheel
22 transmission device 32.Two output shafts of dual-axle motor 31 are connected with corresponding two wheels 22 respectively.
Transmission device 32 is equipped with two groups, is separately connected two output shafts of dual-axle motor 31 and corresponding two wheels
22.Transmission device 32 is chain and sprocket driving device comprising drive sprocket 321, fixing sleeve with the output axis connection of dual-axle motor 31
The driving chain 323 of the driven sprocket 322 and connection drive sprocket 321 and driven sprocket 322 that are located in the shaft 221.
It is additionally provided with retarder between drive sprocket 321 and the output shaft of dual-axle motor 31.It walks on the ground when needing driving aircraft
When, start dual-axle motor 31, and drive wheel 22 to rotate by transmission device 32.
In aircraft landing, there are certain shocks with ground for wheel 22, at this point, wheel 22 and two-way bearing block 21 exist
Piston rod 23 can be driven along the displacement axially upwards of load sleeve 1 under impact force, to prevent from being arranged when wheel 22 shifts up
It loosens with the driving chain 323 on drive sprocket 321 in driven sprocket 322 and even falls off, loading plate 12 is slidably connected at and is held
On power sleeve 1, and supporting rod 121, supporting rod are fixedly installed between the lower face of loading plate 12 and two-way bearing block 21
121 both ends are fixedly connected with the lower face of loading plate 12 with two-way bearing block 21 respectively.It is two-way when wheel 22 shifts up
Bearing block 21 pushes loading plate 12 to be moved synchronously axially upwards along load sleeve 1 by supporting rod 121, to make drive sprocket
The distance between 321 and driven sprocket 322 remain unchanged, and avoid the loosening that driving chain 323 is likely to occur.
Embodiment two:As shown in figure 4, with embodiment one the difference is that transmission device 32 be gear assembly,
It include with the driving gear 324 of the output axis connection of dual-axle motor 31 and it is fixed be set in it is in the shaft 221 and with
The driven gear 325 that driving gear 324 engages.Gear-driven transmission is relatively stable, and can allow for larger rotating speed.
When aircraft is in ground running, start dual-axle motor 31, drives wheel 22 to rotate by transmission device 32 and then make
Entire aircraft carries out ground running in the case where being drawn without outside.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (7)
1. a kind of undercarriage having from slip function, including the load sleeve at aircraft lower abdomen position is set(1)And
It is assemblied in load sleeve(1)The running gear of lower section(2), the running gear(2)Including two symmetrically arranged wheels(22),
It is characterized in that:The load sleeve(1)On be equipped with driving device(3), driving device(3)Including driving two wheels
(22)The dual-axle motor of rotation(31)It is separately connected dual-axle motor(31)Two output shafts and two wheels(22)Two groups of biographies
Dynamic device(32).
2. the undercarriage according to claim 1 having from slip function, it is characterized in that:The running gear(2)
Further include being connected horizontally on load sleeve(1)The two-way bearing block of lower section(21), the two-way bearing block(21)Upper rotation connection
There is shaft(221), two wheels(22)It is connected to the shaft(221)Both ends, the shaft(221)With wheel
(22)Between be provided with clutch(222).
3. the undercarriage according to claim 2 having from slip function, it is characterized in that:The running gear(2)
Further include sliding plug in load sleeve(1)Interior piston rod(23), the two-way bearing block(21)It is fixedly connected on piston rod
(23)End, two-way bearing block(21)With load sleeve(1)Between be also associated with damper(24), damper(24)Both ends
It is respectively hinged at two-way bearing block(21)With load sleeve(1)On.
4. the undercarriage according to claim 3 having from slip function, it is characterized in that:The transmission device(32)
For chain and sprocket driving device comprising with dual-axle motor(31)Output axis connection drive sprocket(321), fixed be set in described turn
Axis(221)On driven sprocket(322)And connection drive sprocket(321)With driven sprocket(322)Driving chain(323).
5. the undercarriage according to claim 4 having from slip function, it is characterized in that:The load sleeve(1)
Upper sliding sleeve is equipped with loading plate(12), the dual-axle motor(31)It is fixed on loading plate(12)On, the loading plate(12)Under
End face and two-way bearing block(21)Between be connected with supporting rod(121), supporting rod(121)Both ends respectively with loading plate(12)'s
Lower face and two-way bearing block(21)It is fixedly connected.
6. the undercarriage according to claim 1 having from slip function, it is characterized in that:The load sleeve(1)
Top be provided with jack(11).
7. the undercarriage according to claim 3 having from slip function, it is characterized in that:The transmission device(32)
For gear assembly comprising with dual-axle motor(31)Output axis connection driving gear(324)And fixation is set in
The shaft(221)On and and driving gear(324)The driven gear of engagement(325).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008982.2U CN207997977U (en) | 2018-01-03 | 2018-01-03 | A kind of undercarriage having from slip function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008982.2U CN207997977U (en) | 2018-01-03 | 2018-01-03 | A kind of undercarriage having from slip function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207997977U true CN207997977U (en) | 2018-10-23 |
Family
ID=63834879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820008982.2U Expired - Fee Related CN207997977U (en) | 2018-01-03 | 2018-01-03 | A kind of undercarriage having from slip function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207997977U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016609A (en) * | 2018-01-03 | 2018-05-11 | 冯政元 | A kind of undercarriage having the function of from slip |
| CN110758442A (en) * | 2019-12-02 | 2020-02-07 | 西南交通大学 | Permanent magnet electric maglev train low-speed supporting mechanism |
| CN110758443A (en) * | 2019-12-02 | 2020-02-07 | 西南交通大学 | Permanent magnet electric magnetic-levitation train running mechanism |
| CN111731472A (en) * | 2020-05-21 | 2020-10-02 | 卓尔飞机制造（武汉）有限公司 | Retractable landing gear of light aircraft |
-
2018
- 2018-01-03 CN CN201820008982.2U patent/CN207997977U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016609A (en) * | 2018-01-03 | 2018-05-11 | 冯政元 | A kind of undercarriage having the function of from slip |
| CN108016609B (en) * | 2018-01-03 | 2024-03-19 | 冯政元 | Aircraft landing gear with self-sliding function |
| CN110758442A (en) * | 2019-12-02 | 2020-02-07 | 西南交通大学 | Permanent magnet electric maglev train low-speed supporting mechanism |
| CN110758443A (en) * | 2019-12-02 | 2020-02-07 | 西南交通大学 | Permanent magnet electric magnetic-levitation train running mechanism |
| CN111731472A (en) * | 2020-05-21 | 2020-10-02 | 卓尔飞机制造（武汉）有限公司 | Retractable landing gear of light aircraft |
| CN111731472B (en) * | 2020-05-21 | 2022-02-08 | 卓尔飞机制造（武汉）有限公司 | Retractable landing gear of light aircraft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181023 Termination date: 20210103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |