CN107878775B - Airplane wheel driving system for airplane ground taxiing - Google Patents
Airplane wheel driving system for airplane ground taxiing Download PDFInfo
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- CN107878775B CN107878775B CN201710979650.9A CN201710979650A CN107878775B CN 107878775 B CN107878775 B CN 107878775B CN 201710979650 A CN201710979650 A CN 201710979650A CN 107878775 B CN107878775 B CN 107878775B
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- jacking
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- 230000009286 beneficial effect Effects 0.000 claims abstract description 3
- 210000000003 hoof Anatomy 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007779 soft material Substances 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/002—Taxiing aids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/22—Ground or aircraft-carrier-deck installations for handling aircraft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a driving system of a ground taxi wheel of an airplane, which comprises a frame, a power device, a gearbox, a turntable, a top bracing device and an auxiliary wheel, wherein the power device is arranged on the frame; the power device, the gearbox and the auxiliary wheel are arranged on the frame, a rotating shaft of the power device is an input shaft of the gearbox, and a rotating shaft of the turntable is an output shaft of the gearbox; the top supporting device is arranged on the turntable; the jacking device comprises a jacking oil cylinder and a jacking shoe, wherein the outer side surface of the jacking shoe is extruded with the inner wall of the half wheel hub at the outer side of the airplane wheel and is fixed with the inner wall; one end of the supporting shoe is connected with the rotary table through a pin, the other end of the supporting shoe is connected with a piston of the supporting oil cylinder, and the piston moves to drive the supporting shoe to rotate around the pin on the supporting shoe; the auxiliary wheel rolls behind the moving direction of the wheel, and the supporting force from the ground resists the generated reverse torque to push the airplane to slide. The airplane wheel can be quickly installed on the airplane wheel and used for driving the airplane to slide on the ground, is economical, environment-friendly, simple and cheap, saves the labor cost, and is beneficial to mass use of airlines.
Description
Technical Field
The invention relates to a power driving system, in particular to a driving system of a ground taxi wheel of an airplane.
Background
Generally, an aircraft can taxi on the ground by means of the thrust of an engine. The efficiency of the engine-dependent thrust coasting approach is very low, which consumes a large amount of fuel and causes emission pollution. Currently, airports usually use tractors to take an aircraft out of a stand, and then coast by means of its own engine thrust. Although the use of a tractor can properly alleviate the problem of high energy consumption, a full-time driver needs to be equipped, and meanwhile, the daily maintenance of the tractor also needs to be equipped, and the weight of tens of tons of tractor consumes a large amount of fuel.
Aircraft designers have proposed a more efficient method of propelling an aircraft on the ground, i.e., directly driving the wheels of the aircraft to propel the aircraft. The idea points out the direction to solve the problem, but a series of practical problems still need to be solved in the application. If the taxi system does not require the original structure of the airplane to be changed, the use of the taxi system does not damage the structure of the airplane.
Patent CN 103879564 a shows a wheel driving tool, which is beneficial to pressing the roller wheel on the wheel by its own weight, and driving the roller wheel by a power device and driving the wheel to rotate. The problem that the wheel additionally wears and the gyro wheel skids and loses power exists in this instrument in use, in addition, use this instrument and need install special couple additional to the undercarriage, be unfavorable for the popularization.
Therefore, an airline needs to provide a simple and efficient device for driving the airplane to slide without changing the original structure of the airplane, and the system is simple, cheap, convenient to maintain and free of adverse effects on the airplane.
Disclosure of Invention
The purpose of the invention is as follows: to overcome the disadvantages of the prior art, the present invention provides an aircraft ground taxi wheel drive system that can be quickly mounted on an aircraft wheel.
The technical scheme is as follows: a driving system for airplane wheels of an airplane ground taxi comprises a frame, a power device, a gearbox, a rotary table, a top bracing device and auxiliary wheels;
the power device comprises a rack, a transmission case, a power device, a transmission shaft and a power device, wherein the rack comprises a ground end and a wheel end; the rotating shaft of the rotating disc is an output shaft of the gearbox, and the rotating disc can rotate around the shaft of the rotating disc; the jacking device is arranged on one side of the rotary table, which is far away from the gearbox, and comprises a first jacking oil cylinder, a second jacking oil cylinder, a first jacking shoe and a second jacking shoe, wherein the first jacking oil cylinder and the second jacking oil cylinder are symmetrically fixed on the rotary table by taking a rotating shaft of the rotary table as a central shaft, and the piston directions of the first jacking oil cylinder and the second jacking oil cylinder are opposite; the first jacking shoe and the second jacking shoe are identical in structure, and the outer side surface of the first jacking shoe is matched with the inner wall of the half hub at the outer side of the airplane wheel; one end of the first jacking shoe is connected with the rotary table through a pin, and the other end of the first jacking shoe is connected with a piston of the first jacking oil cylinder; one end of the second jacking shoe is connected with the rotary table through a pin, and the other end of the second jacking shoe is connected with a piston of the second jacking oil cylinder; the piston motion can drive first shoring hoof and second shoring hoof and rotate around the pin on it respectively, and the auxiliary wheel is installed in frame ground end and is kept away from power device department, can the free rotation.
Furthermore, the first jacking shoe and the second jacking shoe respectively comprise a rotating shaft end, an expansion end and an arc-shaped part, the rotating shaft end is provided with a hole for installing a pin, the expansion end is provided with a component connected with a jacking oil cylinder piston, and the outer side surface of the arc-shaped part is matched with the inner wall of the half wheel hub on the outer side of the airplane wheel.
Preferably, the outer side surfaces of the first top supporting shoe and the second top supporting shoe are covered with a layer of soft material, so that the first top supporting shoe and the second top supporting shoe cannot be damaged when contacting with a hub.
Preferably, the power device is an electric motor, a hydraulic motor or an internal combustion engine.
Furthermore, a clutch is arranged in the gearbox and used for cutting off the load so as to facilitate the starting of the power device.
Has the advantages that: compared with the prior art, the invention directly drives the airplane wheels by applying the power device to push the airplane to slide, has few parts and simple integral structure; each component assembly can be independently disassembled and replaced, and the maintenance is convenient, efficient, economic and environment-friendly; the airplane is pushed by directly driving the airplane wheels, so that the airplane is more efficient and more environment-friendly compared with a mode of utilizing the thrust of an engine to slide; the installation and the dismantlement step are simple, and it is convenient to maintain, and the system does not need a large amount of full-time personnel during operation, only needs about two people can accomplish, can effectively practice thrift the human cost, does benefit to the use of airline in a large number.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial schematic view of the present invention in connection with a wheel;
fig. 3 is a schematic structural view of the jacking device.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 3, the driving system of the airplane ground taxi wheel comprises a frame 1, a power device 2, a gear box 3, a turntable 4, a top bracing device and an auxiliary wheel 8. The frame 1 is a mounting base of the system and comprises a ground end 101 and an airplane wheel end 102, the power device and the gearbox are both fixedly mounted at the airplane wheel end of the frame, and a rotating shaft of the power device is an input shaft of the gearbox; the turntable is arranged on one side of the gearbox through a bearing, a rotating shaft of the turntable is an output shaft of the gearbox, and the turntable can rotate around the shaft of the turntable. The jacking device is arranged on one side of the turntable, which is far away from the gearbox, and comprises two jacking oil cylinders and two jacking shoes, wherein the first jacking oil cylinder 501 and the second jacking oil cylinder 502 are symmetrically fixed on the turntable by taking a rotating shaft of the turntable as a central shaft, and the piston directions are opposite; the first jacking shoe 601 and the second jacking shoe 602 are identical in structure and respectively comprise a rotating shaft end 6001, an expansion end 6002 and an arc-shaped part 6003, wherein the rotating shaft end is provided with holes for mounting pins 701 and 702, the expansion end is provided with a component connected with a jacking oil cylinder piston, and the outer side surface of the arc-shaped part is matched with the inner wall of the wheel outer side half hub 901; the rotating shaft end of the first jacking shoe is connected with the rotary table through a pin 701, and the expansion end of the first jacking shoe is connected with a piston of the first jacking oil cylinder; the rotating shaft end of the second jacking shoe is connected with the rotary table through a pin 702, and the expansion end of the second jacking shoe is connected with a piston of the second jacking oil cylinder; the piston moves to drive the first top supporting shoe and the second top supporting shoe to rotate around the pins on the first top supporting shoe and the second top supporting shoe respectively, the pins are located behind the rotating circumferential direction of the rotating disc relative to the top supporting shoes, and the outer side surfaces of the first top supporting shoe and the second top supporting shoe are coated with a layer of soft material, so that the first top supporting shoe and the second top supporting shoe cannot be damaged when contacting with a wheel hub. The auxiliary wheel is arranged at one end of the bending part of the frame far away from the power device and can rotate freely.
When the airplane wheel hub is installed, as shown in fig. 2, the turntable and the jacking device are located in a hollow space inside the hub, and the outer side surfaces of the first jacking shoe and the second jacking shoe are matched with the inner wall of an outer wheel half hub 901 through a layer of soft material, wherein 902 is the inner wheel half hub.
In the working process of the system, the first jacking oil cylinder and the second jacking oil cylinder respectively push the pistons outwards, so that the first jacking shoe and the second jacking shoe respectively move outwards along the radial direction, contact and extrude the radial inner side of the half hub at the outer side of the airplane wheel, and are buffered by soft materials pasted on the surfaces of the first jacking oil cylinder and the second jacking oil cylinder to be fixed with the airplane wheel in an extruding way. In addition, the torque generated by the power device is input into the gearbox, the gearbox amplifies the torque and transmits the amplified torque to the turntable to drive the turntable to rotate and drive the jacking device to rotate, so that the power is transmitted to the airplane wheel. The first and second top-shoring shoes installed in the center-symmetrical direction in the illustrated direction automatically strengthen the locking. In the process, the auxiliary wheel rolls on the ground behind the movement direction of the wheel, the supporting force from the ground can resist the reverse torque force generated when the driving wheel rotates, the rack is prevented from rotating under the action of the torque of the turntable, and the system can drive the wheel to stably move forwards.
In addition, the power device can be an electric motor, a hydraulic motor, an internal combustion engine or the like which can generate torque power, and the gearbox changes the torque and the rotating speed of the power device into the magnitude suitable for driving the wheels. A clutch is mounted in the gearbox for cutting off rotational resistance from the wheels to facilitate power plant start-up.
Furthermore, for the wheel hub that adapts to different specifications, can be equipped with not equidimension shoring hoof and carousel assembly, but quick replacement during the use.
Claims (4)
1. An aircraft ground taxi wheel drive system, comprising: comprises a frame (1), a power device (2), a gear box (3), a turntable (4), a top support device (5) and an auxiliary wheel (6);
the transmission device comprises a rack, a transmission mechanism, a power device and a control system, wherein the rack comprises a ground end (101) and an airplane wheel end (102), the transmission mechanism and the power device are positioned at the airplane wheel end of the rack, and a rotating shaft of the power device is an input shaft of the transmission mechanism; the rotating shaft of the rotating disc is an output shaft of the gearbox, and the rotating disc can rotate around the shaft of the rotating disc; the jacking device is arranged on one side of the rotary table, which is far away from the gearbox, and comprises a first jacking oil cylinder (501), a second jacking oil cylinder (502), a first jacking shoe (601) and a second jacking shoe (602), wherein the first jacking oil cylinder and the second jacking oil cylinder are symmetrically fixed on the rotary table by taking a rotary shaft of the rotary table as a central axis, and the piston directions are opposite; the first jacking shoe and the second jacking shoe are identical in structure, and the outer side surfaces of the first jacking shoe and the second jacking shoe are matched with the inner wall of the half hub (901) on the outer side of the airplane wheel; one end of the first jacking shoe is connected with the rotary table through a first pin (701), and the other end of the first jacking shoe is connected with a piston of the first jacking oil cylinder; one end of the second jacking shoe is connected with the rotary table through a second pin (702), and the other end of the second jacking shoe is connected with a piston of the second jacking oil cylinder; the piston motion can drive the first pin on which the first top support shoe is wound to rotate, and the piston motion can also drive the second pin on which the second top support shoe is wound to rotate, and the auxiliary wheel is arranged at the position, far away from the power device, of the ground end of the rack and can rotate freely;
first top props the hoof and the second top props the hoof and all includes pivot end (6001), expansion end (6002) and arc portion (6003), and the pivot end of first top props the hoof is equipped with the hole of the first pin of installation, and the pivot end of second top props the hoof is equipped with the hole of installation second pin, and the expansion end is equipped with the part of propping hydro-cylinder piston connection with the top, and the outside surface of arc portion matches with the inner wall of wheel outside semi-hub.
2. An aircraft ground taxi wheel drive system as claimed in claim 1, wherein: the outer side surfaces of the first top supporting shoe and the second top supporting shoe are covered with a layer of soft material, and the first top supporting shoe and the second top supporting shoe cannot be damaged when contacting with a hub.
3. An aircraft ground taxi wheel drive system as claimed in claim 1, wherein: the power device is an electric motor, a hydraulic motor or an internal combustion engine.
4. An aircraft ground taxi wheel drive system as claimed in claim 1, wherein: and a clutch is arranged in the gearbox and used for cutting off the load so as to be beneficial to starting the power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979650.9A CN107878775B (en) | 2017-10-19 | 2017-10-19 | Airplane wheel driving system for airplane ground taxiing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979650.9A CN107878775B (en) | 2017-10-19 | 2017-10-19 | Airplane wheel driving system for airplane ground taxiing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107878775A CN107878775A (en) | 2018-04-06 |
| CN107878775B true CN107878775B (en) | 2020-11-20 |
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ID=61781971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710979650.9A Active CN107878775B (en) | 2017-10-19 | 2017-10-19 | Airplane wheel driving system for airplane ground taxiing |
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| Country | Link |
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| CN (1) | CN107878775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104272A (en) * | 2021-12-31 | 2022-03-01 | 中国商用飞机有限责任公司 | Aircraft landing gear |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180260A (en) * | 2011-04-17 | 2011-09-14 | 黑龙江大学 | Aircraft tire driver |
| CN103879564A (en) * | 2014-04-04 | 2014-06-25 | 黄野 | Special tool for aircraft to slide on ground |
| CN104925246A (en) * | 2015-06-26 | 2015-09-23 | 周勤 | Ground driving and electromagnetic braking system for unmanned aerial vehicle |
| US9676475B2 (en) * | 2011-09-02 | 2017-06-13 | Borealis Technical Limited | System and method for maintaining aircraft ground travel speed and direction |
-
2017
- 2017-10-19 CN CN201710979650.9A patent/CN107878775B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180260A (en) * | 2011-04-17 | 2011-09-14 | 黑龙江大学 | Aircraft tire driver |
| US9676475B2 (en) * | 2011-09-02 | 2017-06-13 | Borealis Technical Limited | System and method for maintaining aircraft ground travel speed and direction |
| CN103879564A (en) * | 2014-04-04 | 2014-06-25 | 黄野 | Special tool for aircraft to slide on ground |
| CN104925246A (en) * | 2015-06-26 | 2015-09-23 | 周勤 | Ground driving and electromagnetic braking system for unmanned aerial vehicle |
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| Publication number | Publication date |
|---|---|
| CN107878775A (en) | 2018-04-06 |
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