CN111824399B - Synchronous locking mechanism about aviation is with wheel - Google Patents
Synchronous locking mechanism about aviation is with wheel Download PDFInfo
- Publication number
- CN111824399B CN111824399B CN202010509476.3A CN202010509476A CN111824399B CN 111824399 B CN111824399 B CN 111824399B CN 202010509476 A CN202010509476 A CN 202010509476A CN 111824399 B CN111824399 B CN 111824399B
- Authority
- CN
- China
- Prior art keywords
- disc
- wheel
- locking mechanism
- movable disc
- sliding sleeve
- 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
Links
Images
Classifications
-
- 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
- B64C25/42—Arrangement or adaptation of brakes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a left-right synchronous locking mechanism of an aircraft wheel, which comprises a left wheel locking mechanism and a right wheel locking mechanism, wherein the left wheel locking mechanism comprises a sliding sleeve, a movable disc, a pressing disc, a spring and a pressing nut, the movable disc is fixedly connected with the left wheel so that the movable disc and the left wheel are relatively static, the movable disc extends into the sliding sleeve, one side of the movable disc is the inner wall of the sliding sleeve, and the other side of the movable disc is the pressing disc; the other side of the compression disc is provided with a spring, and the other side of the spring is provided with a compression nut; the right wheel locking mechanism is consistent with the left wheel locking mechanism in structure. The invention has simple structure, convenient and quick installation and disassembly and repeated use; the problem that the machine wheel is locked under the condition of no hydraulic drive is solved; under the condition of not rotating the machine wheels, the problem of synchronous locking of the left machine wheel and the right machine wheel is solved; the left and right wheels can be synchronously locked and unlocked without being influenced by positions and angles.
Description
Technical Field
The invention belongs to the technical field of brake locking mechanisms, relates to a locking mechanism for realizing mechanical locking of aircraft wheels, and particularly relates to a left-right synchronous locking mechanism for aircraft wheels.
Background
The airplane wheel braking system of the aviation helicopter is mainly divided into a hydraulic braking mode and a non-hydraulic braking mode, wherein the hydraulic braking mode mainly comprises that hydraulic oil pushes a brake disc and a brake sheet in a pipeline by means of braking pressure, a braking gap is eliminated, friction force is generated between the brake disc and the brake sheet, and accordingly airplane wheel locking is achieved. The hydraulic braking-free mode is mainly divided into two modes, one mode is a sledge structure, the sledge is used for replacing a machine wheel, the function met by the machine wheel is realized, the unmanned helicopter stops on the deck, and the conventional sledge structure cannot drag on the deck because the hydraulic source is not used for driving the machine wheel to brake, and the stopping position of the unmanned helicopter is limited; another hydraulic braking mode is a wheel braking system, and the adopted mode is a wheel block structure; however, the existing wheel brake system can only realize the horizontal locking function and cannot carry out traction movement.
Disclosure of Invention
In order to solve the problems, the invention provides a left-right synchronous locking mechanism for aviation wheels, which can realize the locking function of the aviation wheels at any angle at any position on the premise of no hydraulic source driving brake.
The technical scheme of the invention is as follows: the left wheel locking mechanism and the right wheel locking mechanism for aviation comprise a left wheel locking mechanism and a right wheel locking mechanism, wherein the left wheel locking mechanism comprises a sliding sleeve, a movable disc, a pressing disc, a spring and a pressing nut, the movable disc is fixedly connected with the left wheel so that the movable disc and the left wheel are relatively static, the movable disc extends into the sliding sleeve, one side of the movable disc is the inner wall of the sliding sleeve, and the other side of the movable disc is the pressing disc; the other side of the compression disc is provided with a spring, and the other side of the spring is provided with a compression nut; the right wheel locking mechanism is consistent with the left wheel locking mechanism in structure.
Further, the spring is a disc spring.
Further, the lower end of the sliding sleeve is provided with a plurality of key grooves, and the pressing disc is inserted into the key grooves.
Further, a locking screw assembly is further arranged, a jack matched with the locking screw assembly is arranged on the compression nut, and the locking screw assembly penetrates through the jack of the compression nut and is inserted into the key groove.
Further, at least three key grooves are formed in the lower end of the sliding sleeve, and the key grooves are respectively used for inserting a pressing disc, a locking screw assembly during locking and a locking screw assembly during non-locking.
Further, the locking screw assembly comprises a bolt and a locking screw, the bolt penetrates through the compression nut to be inserted into the key groove, the bolt and the compression nut are provided with threaded holes which are overlapped and matched with the locking screw, and the locking screw is connected with and fixes the bolt and the compression nut through the threaded holes.
Further, a gap is formed between the movable disc and the inner wall of the sliding sleeve as well as between the movable disc and the pressing disc, and the gap is 0.5-1 mm.
Further, the compression nut moves horizontally relative to the lower end of the sliding sleeve through torque, after the compression nut moves towards the direction of the spring and is screwed, gaps between the movable disc and the inner wall of the sliding sleeve as well as between the movable disc and the compression disc are eliminated, and the left machine wheel is locked by a certain static torque index.
The invention has the advantages that:
1. the structure is simple, the installation and the disassembly are convenient and quick, and the device can be reused;
2. the problem that the machine wheel is locked under the condition of no hydraulic drive is solved;
3. under the condition of not rotating the machine wheels, the problem of synchronous locking of the left machine wheel and the right machine wheel is solved;
4. the left and right wheels can be synchronously locked and unlocked without being influenced by the position (ground or ship surface) and the angle.
Drawings
FIG. 1 is a schematic view of a locking mechanism embodiment of the present invention;
wherein, 1-sliding sleeve, 2-movable disc, 3-compressing disc, 4-spring, 5-lock nut assembly, 6-compression nut.
Detailed Description
This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention.
A left and right synchronous locking mechanism of an aircraft wheel comprises a left wheel locking mechanism and a right wheel locking mechanism.
The left wheel locking mechanism comprises a sliding sleeve 1, a movable disc 2, a compression disc 3, a spring 4 and a compression nut 6, wherein the movable disc 2 is fixedly connected with the left wheel so that the movable disc 2 and the left wheel are relatively static, the movable disc 2 extends into the sliding sleeve 1, one side of the movable disc 2 is the inner wall of the sliding sleeve 1, and the other side of the movable disc 2 is the compression disc 3; the other side of the compression disc 3 is provided with a spring 4, and the other side of the spring 4 is provided with a compression nut 6; the spring 4 is a disc spring; the lower extreme of sliding sleeve 1 is equipped with a plurality of keyway, compresses tightly 3 and inserts on the keyway. The locking screw assembly 5 is further arranged, the compression nut 6 is provided with a jack matched with the locking screw assembly 5, and the locking screw assembly 5 is inserted into the key groove through the jack of the compression nut 6. The key grooves at the lower end of the sliding sleeve 1 are at least three and are respectively used for inserting the pressing disc 3, the locking screw assembly 5 during locking and the locking screw assembly 5 during non-locking. The locking screw assembly 5 comprises a bolt and a locking screw, the bolt penetrates through the compression nut 6 to be inserted in the key groove, the bolt and the compression nut 6 are provided with threaded holes which are overlapped and matched with the locking screw, and the locking screw is connected with and fixes the bolt and the compression nut 6 through the threaded holes. Gaps are formed between the movable disc 2 and the inner wall of the sliding sleeve 1 and between the movable disc 2 and the pressing disc 3, and the gaps between the movable disc 2 and the pressing disc 3 are 0.5-1 mm. The compression nut 6 moves horizontally relative to the lower end of the sliding sleeve 1 through torque, after the compression nut 6 moves towards the direction of the spring 4 and is screwed, gaps between the movable disc 2 and the inner wall of the sliding sleeve 1 and between the movable disc 3 are eliminated, and the left machine wheel is locked due to a certain static torque index.
The right wheel locking mechanism adopts another set of sliding sleeve, a movable disc, a pressing disc, a spring, a locking screw component and a pressing nut, and the structural form of the right wheel locking mechanism is completely consistent with that of the left wheel locking mechanism.
Another embodiment of the present invention will be described below with reference to the accompanying drawings.
The scheme of the invention is schematically shown in fig. 1, and mainly comprises a sliding sleeve 1, a movable disc 2, a pressing disc 3, a disc spring 4, a locking screw assembly 5 and a pressing nut 6. The movable disc 2 and the machine wheel (tool) are fixed through fixed screw fixation, so that the machine wheel and the movable disc are kept relatively static, and a certain tightening torque is applied to the compression nut 6 to eliminate the gap among the compression disc 3, the movable disc 2 and the sliding sleeve 1, so that a certain static torque index is achieved, and the machine wheel is locked (a consistent method is adopted for left and right machine wheels); and under the action of moment applied by contacting the compression nut 6, gaps exist among the compression disc 3, the movable disc 2 and the sliding sleeve 1, so that unlocking is finished.
This patent theory of operation mainly is 2 states, does respectively: ground parking (locked) and coasting (unlocked).
Ground parking state (locked): when the machine wheel rolls on the ground or the ship surface to stop, a certain tightening torque is applied to the compression nut, gaps among the compression disc 3, the movable disc 2 and the sliding sleeve 1 are eliminated, and after a certain static torque index is reached, a locking screw is inserted, so that locking is completed.
Slide state (unlock): when the machine wheel rolls on the ground or the ship surface, the locking screw is pulled out from the locking hole, the tightening moment among the pressing disc 3, the movable disc 2 and the sliding sleeve 1 is eliminated, and after the gap among the pressing disc 3, the movable disc 2 and the sliding sleeve 1 is restored, the locking screw is reinserted, so that unlocking is completed.
The structure is installed and used from 2018, so far, the external field reaction is good, and the structure has better use evaluation.
Claims (4)
1. The left-right synchronous locking mechanism for the aviation machine wheels comprises a left machine wheel locking mechanism and a right machine wheel locking mechanism, and is characterized in that the left machine wheel locking mechanism comprises a sliding sleeve (1), a movable disc (2), a pressing disc (3), a spring (4) and a pressing nut (6), the movable disc (2) is fixedly connected with the left machine wheel so that the movable disc (2) and the left machine wheel are relatively static, the movable disc (2) extends into the sliding sleeve (1), one side of the movable disc (2) is the inner wall of the sliding sleeve (1), and the other side of the movable disc is the pressing disc (3); the other side of the compression disc (3) is provided with a spring (4), and the other side of the spring (4) is provided with a compression nut (6); the right wheel locking mechanism is consistent with the left wheel locking mechanism in structure; the spring (4) is a disc spring; a gap is reserved between the movable disc (2) and the inner wall of the sliding sleeve (1) and between the movable disc and the pressing disc (3);
the locking screw assembly (5) is further arranged, a jack matched with the locking screw assembly (5) is arranged on the compression nut (6), and the locking screw assembly (5) penetrates through the jack of the compression nut (6) to be inserted into the key slot; the locking screw assembly (5) comprises a bolt and a locking screw, the bolt penetrates through the compression nut (6) to be inserted into the key slot, the bolt and the compression nut (6) are provided with overlapped threaded holes matched with the locking screw, and the locking screw is connected with and fixes the bolt and the compression nut (6) through the threaded holes; the compression nut (6) horizontally moves relative to the lower end of the sliding sleeve (1) through torque, after the compression nut (6) moves towards the direction of the spring (4) to be screwed, gaps between the movable disc (2) and the inner wall of the sliding sleeve (1) and gaps between the movable disc and the compression disc (3) are eliminated, and the left machine wheel is locked by a certain static torque index.
2. The left-right synchronous locking mechanism for the aircraft wheel according to claim 1, wherein a plurality of key grooves are formed in the lower end of the sliding sleeve (1), and the pressing disc (3) is inserted into the key grooves.
3. The left-right synchronous locking mechanism of the aircraft wheel according to claim 1, wherein at least three key grooves are formed in the lower end of the sliding sleeve (1), and the three key grooves are respectively used for inserting a pressing disc (3), a locking screw assembly (5) during locking and a locking screw assembly (5) during non-locking.
4. The synchronous locking mechanism for the left and right of the aircraft wheel according to claim 1, wherein the gap between the movable disc (2) and the pressing disc (3) is 0.5-1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509476.3A CN111824399B (en) | 2020-06-05 | 2020-06-05 | Synchronous locking mechanism about aviation is with wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509476.3A CN111824399B (en) | 2020-06-05 | 2020-06-05 | Synchronous locking mechanism about aviation is with wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111824399A CN111824399A (en) | 2020-10-27 |
| CN111824399B true CN111824399B (en) | 2023-06-13 |
Family
ID=72898457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010509476.3A Active CN111824399B (en) | 2020-06-05 | 2020-06-05 | Synchronous locking mechanism about aviation is with wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111824399B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618580U (en) * | 1992-08-14 | 1994-03-11 | ニッケイ株式会社 | Door locking device |
| CN201010043Y (en) * | 2007-03-20 | 2008-01-23 | 哈尔滨飞机工业集团有限责任公司 | Automatic braking mechanism of airplane wheel in the air |
| CN101844486A (en) * | 2010-05-21 | 2010-09-29 | 中国人民解放军海军航空工程学院 | Quick assembly/disassembly device of airplane nose wheel hub |
| CN203246586U (en) * | 2013-04-03 | 2013-10-23 | 北京北摩高科摩擦材料有限责任公司 | Cylinder base of airplane wheel brake device in large transport airplane |
| WO2014046564A1 (en) * | 2012-09-24 | 2014-03-27 | Ivandaev Sergey Ivanovich | Method for driving landing gear wheels of an aircraft and landing gear apparatus |
| WO2015009778A1 (en) * | 2013-07-18 | 2015-01-22 | Honda Patents & Technologies North America, Llc | Aircraft brake system |
| US9004401B2 (en) * | 2012-01-06 | 2015-04-14 | Triumph Actuation Systems—UK, Ltd. | Electrical actuator incorporating a free play mechanism to eliminate force fighting |
| EP2982603A1 (en) * | 2014-08-07 | 2016-02-10 | Airbus Operations Limited | Landing gear drive system |
| CN105799913A (en) * | 2015-01-19 | 2016-07-27 | 波音公司 | Latch pin assembly for folding wing tip system |
| CN110541900A (en) * | 2019-08-22 | 2019-12-06 | 北京北摩高科摩擦材料股份有限公司 | Helicopter brake device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB468909A (en) * | 1936-09-04 | 1937-07-15 | Independent Pneumatic Tool Co | Automatic lock nuts |
| US20050046554A1 (en) * | 2003-08-22 | 2005-03-03 | Achawan Atthaprasith | System and device for locking an automobile steering axis |
| CN201105325Y (en) * | 2007-10-19 | 2008-08-27 | 上海机床厂有限公司 | Tailstock locking apparatus |
| CN201597753U (en) * | 2009-11-18 | 2010-10-06 | 北京北摩高科摩擦材料有限责任公司 | Brake airplane wheels of airplane |
| CN104691747B (en) * | 2015-02-05 | 2016-08-24 | 南京航空航天大学 | Aircraft electric braking device and method |
| ES2671507T3 (en) * | 2015-04-10 | 2018-06-06 | Meggitt Aircraft Braking Systems | Flexible wheel drive for airborne taxi system |
| CN106218870B (en) * | 2016-04-29 | 2018-12-11 | 西安航空制动科技有限公司 | A kind of single-wheel double-brake brake machine wheel |
| CN106763343A (en) * | 2017-02-17 | 2017-05-31 | 西安航空制动科技有限公司 | A kind of aviation spring shell type automatic gap adjusting piston component |
| CN209717111U (en) * | 2019-01-09 | 2019-12-03 | 福建威而特旋压科技有限公司 | A kind of belt pulley turning tool |
| CN213566444U (en) * | 2020-06-05 | 2021-06-29 | 贵州新安航空机械有限责任公司 | Mechanical left-right synchronous locking device for airplane wheel |
-
2020
- 2020-06-05 CN CN202010509476.3A patent/CN111824399B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618580U (en) * | 1992-08-14 | 1994-03-11 | ニッケイ株式会社 | Door locking device |
| CN201010043Y (en) * | 2007-03-20 | 2008-01-23 | 哈尔滨飞机工业集团有限责任公司 | Automatic braking mechanism of airplane wheel in the air |
| CN101844486A (en) * | 2010-05-21 | 2010-09-29 | 中国人民解放军海军航空工程学院 | Quick assembly/disassembly device of airplane nose wheel hub |
| US9004401B2 (en) * | 2012-01-06 | 2015-04-14 | Triumph Actuation Systems—UK, Ltd. | Electrical actuator incorporating a free play mechanism to eliminate force fighting |
| WO2014046564A1 (en) * | 2012-09-24 | 2014-03-27 | Ivandaev Sergey Ivanovich | Method for driving landing gear wheels of an aircraft and landing gear apparatus |
| CN203246586U (en) * | 2013-04-03 | 2013-10-23 | 北京北摩高科摩擦材料有限责任公司 | Cylinder base of airplane wheel brake device in large transport airplane |
| WO2015009778A1 (en) * | 2013-07-18 | 2015-01-22 | Honda Patents & Technologies North America, Llc | Aircraft brake system |
| EP2982603A1 (en) * | 2014-08-07 | 2016-02-10 | Airbus Operations Limited | Landing gear drive system |
| CN105799913A (en) * | 2015-01-19 | 2016-07-27 | 波音公司 | Latch pin assembly for folding wing tip system |
| CN110541900A (en) * | 2019-08-22 | 2019-12-06 | 北京北摩高科摩擦材料股份有限公司 | Helicopter brake device |
Non-Patent Citations (2)
| Title |
|---|
| 张良威 ; 李芾 ; 黄运华 ; .变轨距转向架锁紧机构方案设计.铁道机车车辆.2007,(05),全文. * |
| 白钧生 ; 李宋 ; 崔雄 ; 张积广 ; 王甘牛 ; 丘建中 ; .航空机轮自动调姿刹车试验台的设计.机床与液压.2017,(15),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111824399A (en) | 2020-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102009644A (en) | Automobile auxiliary brake-powered speed-reduction friction device and braking method thereof | |
| CA2356732C (en) | Fluid parking brake for a rail vehicle air brake cylinder | |
| CN110733483B (en) | Parking brake cylinder | |
| CN111824399B (en) | Synchronous locking mechanism about aviation is with wheel | |
| CN213566444U (en) | Mechanical left-right synchronous locking device for airplane wheel | |
| CN108750139A (en) | A kind of Wing-Body Configurations package assembly and the aircraft with it | |
| CN201647765U (en) | Emergency braking device used on traction sheave of traction machine | |
| CN213413750U (en) | New energy automobile braking power generation facility | |
| CN112443594B (en) | Brake-by-wire system and vehicle | |
| CN112443595B (en) | Brake-by-wire system and vehicle | |
| CN218817757U (en) | Disc brake system of motor vehicle | |
| CN218080202U (en) | Sliding electric button station operating means | |
| US20160238097A1 (en) | Single-Side Double-Inclined-Surface Disc-Type Brake | |
| CN216374986U (en) | Safety quick-release locking and unlocking device | |
| CN216589685U (en) | Device for improving braking safety of beam-pumping unit | |
| CN113294462B (en) | Spring power unit | |
| CN213294345U (en) | Single-wedge guide rail caliper for elevator mounting platform | |
| CN114013635B (en) | Quick-release lock for pressing safety parking bolt of actuator cylinder | |
| CN201807689U (en) | Holding roller mechanism for ultra-large ring rolling machine | |
| CN108644262B (en) | Hydraulic braking mechanism capable of being mechanically unlocked and mechanical unlocking method thereof | |
| CN205397976U (en) | Pedal liquid braking device | |
| CN220248757U (en) | Parking braking unlocking mechanism of gearbox | |
| CN113107994A (en) | Method and device for improving braking safety of beam-pumping unit | |
| CN221547619U (en) | Brake band with embedded aluminum heat insulation gasket | |
| CN111633407A (en) | Automatic tightening and aligning mechanism for rear crushing pipe of car coupler |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |