CN203666979U - Dual-redundancy electric actuating cylinder - Google Patents
Dual-redundancy electric actuating cylinder Download PDFInfo
- Publication number
- CN203666979U CN203666979U CN201320884307.3U CN201320884307U CN203666979U CN 203666979 U CN203666979 U CN 203666979U CN 201320884307 U CN201320884307 U CN 201320884307U CN 203666979 U CN203666979 U CN 203666979U
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- Prior art keywords
- motor
- gear
- input shaft
- cylinder barrel
- piston
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- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000000481 breast Anatomy 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a dual-redundancy electric actuating cylinder which comprises a cylinder barrel and a first motor arranged on the cylinder barrel, wherein a first input shaft is arranged on the first motor; a tooth ring is arranged on the first input shaft; a planetary wheel is arranged on the tooth ring and is mounted on a planetary frame; a screw rod is sleeved with the planetary frame; a screw rod nut is arranged outside of the screw rod; the screw rod nut is connected with a piston through a connection bolt; a push rod is arranged on the piston; a rod end bolt is arranged at one end of the push rod; a second motor is also arranged on the cylinder barrel; a second input shaft is arranged on the second motor and is meshed with a middle wheel; the middle wheel is meshed with a duplicate gear; the duplicate gear is connected with the planetary wheel. According to the dual-redundancy electric actuating cylinder, a structural form that two motors respectively drive corresponding speed reduction gears and finally a planetary gear output mechanism is shared, is adopted to ensure that an inner motion transmission part cannot be stressed continuously.
Description
Technical field
The utility model relates to undercarriage control technical field, is specially a kind of two remaining electric actuating cylinder.
Background technology
Pressurized strut is the important component part of system as the power element of landing-gear system, and pressurized strut is broken down will directly affect persons on board's life security, therefore on affecting the critical product of aircraft and personal security on aircraft, requires to improve its reliability.But current undercarriage extension and retraction system is still traditional hydraulic way control, its hydraulic actuator is without back-up job passage, and hydraulic actuator volume and weight is larger, can increase aircraft energy consumption.
Utility model content
The purpose of this utility model is to provide a kind of two remaining electric actuating cylinders simple in structure in order to overcome above-mentioned deficiency.
The utility model comprises cylinder barrel and is located at the first motor on cylinder barrel, described the first motor is provided with the first input shaft, described the first input shaft is provided with gear ring, described gear ring is provided with satellite gear, described satellite gear is arranged in pinion carrier, described pinion carrier inner sleeve has leading screw, described leading screw outside is provided with feed screw nut, described feed screw nut is connected with piston by tie bolt, described piston is provided with push rod, one end of described push rod is provided with rod end bolt, described cylinder barrel is also provided with the second motor, described the second motor is provided with the second input shaft, described the second input shaft and breast wheel are meshing, described breast wheel and dual gear are meshing, described dual gear is connected with satellite gear.
The utility model has adopted two-way motor to drive respectively each self-corresponding reducing gear, the final version that shares a set of planetary wheel output mechanism, in the time of the motor of first passage of product or train of gears fault clamping stagnation, power supply is forwarded on the motor of second passage, driven by motor second sleeve gear of second passage is work, thereby drive whole product work, realize whole product function.In any case, in two motors, only have an electrical power job, can greatly improve the reliability of whole product.Simultaneously because conventional hydraulic pressurized strut load-carrying capacity is larger, its piston rod can bear the transmission of motion and load simultaneously, electric actuating cylinder drive disk assembly by contrast, as less in the parts such as leading screw and gear load-carrying capacity, therefore need to move and separate with the transmission of load in the time that pressurized strut be worked.The utility model, is stuck in by movable locking plate in the lock slots of cylinder barrel at product work after assigned address, and load is transferred to cylinder barrel and is delivered to product structure by leading screw, guarantees that internal motion transfer components no longer continues stressed.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that the B-B of Fig. 1 is to schematic diagram.
Fig. 3 be in Fig. 3 C to schematic diagram.
Fig. 4 is that the A of Fig. 3 is to schematic diagram.
The specific embodiment
Further illustrate the utility model below in conjunction with drawings and Examples.
Embodiment: the utility model comprises cylinder barrel 10 and is located at the first motor 13 on cylinder barrel 10, described the first motor 13 is provided with the first input shaft 3, described the first input shaft 3 is provided with gear ring 4, described gear ring 4 is provided with satellite gear 21, described satellite gear 21 is arranged in pinion carrier 20, described pinion carrier 20 inner sleeves have leading screw 9, described leading screw 9 outsides are provided with feed screw nut 18, described feed screw nut 18 is connected with piston 12 by tie bolt 17, described piston 12 is provided with push rod 8, one end of described push rod 8 is provided with rod end bolt 6, described cylinder barrel 10 is also provided with the second motor 14, described the second motor 14 is provided with the second input shaft 5, described the second input shaft 5 is meshing with breast wheel 2, described breast wheel 2 is meshing with dual gear 1, described dual gear 1 is connected with satellite gear 21.In described piston 12, be provided with steel ball 15, described steel ball 15 is provided with snap ring 16, between described cylinder barrel 10 and steel ball 15, is provided with locking plate 11.
The utility model principle of work is as follows: when the first motor 13 is worked, because the second motor 14 is carried electromagnetic brake locking, the second input shaft 5, breast wheel 2 and the dual gear 1 that are connected with the second motor 14 are lockable simultaneously, be that dual gear 1 is motionless as the tight pulley of planetary gear train, now the first motor 13 drives the first input shaft 3 to work, and drive the external gear on gear ring 4 to rotate, then transmit motion to pinion carrier 20 and drive leading screw 9 to rotate by satellite gear 21.When the second motor 14 is worked, the electromagnetic brake locking being carried due to the first motor 13, the first input shaft 3 and the gear ring 4 that are connected with the first motor 13 are lockable simultaneously, be that inner gear on gear ring 4 is motionless as the tight pulley of planetary gear train, now the second motor 14 drives the second input shaft 5 to work, and drive breast wheel 2 and dual gear 1 to rotate, then transmit motion to pinion carrier 20 and drive leading screw 9 to rotate by satellite gear 21.
When the work of certain motor forward, thereby drives leading screw 9 to rotate drive feed screw nut 18 by reducing gear, to rotate tie bolt 17, piston 12, push rod 8 and rod end bolt 6 that its promotion is attached thereto protruding.When piston 12 moves to desired location, the steel ball 15 in piston pushes locking plate 11 in the lock slots on cylinder barrel 10, and piston position is locked, and the now load on push rod 8 is passed on product structure by locking plate 11 and cylinder barrel 10.When certain motor reversal work, rotate backward by gear drive leading screw 9, now steel ball 15 pressures are released it are fallen after rise, and locking plate 11 is deviate from from lock slots, piston 12 state that unlocks, thus make leading screw 9 can drive feed screw nut 18 that piston 12 and push rod 8 are regained.When piston 12 moves to desired location, the steel ball 15 in piston pushes snap ring 16 in the lock slots on cylinder barrel 10, and piston 12 positions are locked, and the now load on push rod 8 is passed on product structure by snap ring 16 and cylinder barrel 10.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (2)
1. a two remaining electric actuating cylinder, comprise cylinder barrel (10) and be located at the first motor (13) on cylinder barrel (10), described the first motor (13) is provided with the first input shaft (3), described the first input shaft (3) is provided with gear ring (4), described gear ring (4) is provided with satellite gear (21), described satellite gear (21) is arranged in pinion carrier (20), described pinion carrier (20) inner sleeve has leading screw (9), described leading screw (9) outside is provided with feed screw nut (18), described feed screw nut (18) is connected with piston (12) by tie bolt (17), described piston (12) is provided with push rod (8), one end of described push rod (8) is provided with rod end bolt (6), it is characterized in that: described cylinder barrel (10) is also provided with the second motor (14), described the second motor (14) is provided with the second input shaft (5), described the second input shaft (5) is meshing with breast wheel (2), described breast wheel (2) is meshing with dual gear (1), described dual gear (1) is connected with satellite gear (21).
2. according to claim 1 pair of remaining electric actuating cylinder, is characterized in that being provided with steel ball (15) in described piston (12), and described steel ball (15) is provided with snap ring (16), between described cylinder barrel (10) and steel ball (15), is provided with locking plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884307.3U CN203666979U (en) | 2013-12-30 | 2013-12-30 | Dual-redundancy electric actuating cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884307.3U CN203666979U (en) | 2013-12-30 | 2013-12-30 | Dual-redundancy electric actuating cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666979U true CN203666979U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884307.3U Expired - Fee Related CN203666979U (en) | 2013-12-30 | 2013-12-30 | Dual-redundancy electric actuating cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666979U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708026A (en) * | 2013-12-30 | 2014-04-09 | 湖北航达科技有限公司 | Dual-redundancy electric acting barrel |
| CN104534041A (en) * | 2014-11-12 | 2015-04-22 | 西北工业大学 | Electric execution device of dual-redundancy direct-drive type roller lead screw pair |
| CN107725705A (en) * | 2017-09-30 | 2018-02-23 | 北京精密机电控制设备研究所 | A kind of double remaining electromechanical actuators of linear antiseize |
-
2013
- 2013-12-30 CN CN201320884307.3U patent/CN203666979U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708026A (en) * | 2013-12-30 | 2014-04-09 | 湖北航达科技有限公司 | Dual-redundancy electric acting barrel |
| CN103708026B (en) * | 2013-12-30 | 2016-04-20 | 成都飞机工业（集团）有限责任公司 | Two remaining electric actuating cylinder |
| CN104534041A (en) * | 2014-11-12 | 2015-04-22 | 西北工业大学 | Electric execution device of dual-redundancy direct-drive type roller lead screw pair |
| CN104534041B (en) * | 2014-11-12 | 2020-02-14 | 西北工业大学 | Electric actuator of double-redundancy direct-drive type roller screw pair |
| CN107725705A (en) * | 2017-09-30 | 2018-02-23 | 北京精密机电控制设备研究所 | A kind of double remaining electromechanical actuators of linear antiseize |
| CN107725705B (en) * | 2017-09-30 | 2020-06-09 | 北京精密机电控制设备研究所 | Linear anti-jamming dual-redundancy electromechanical actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS Effective date: 20150226 Owner name: CHENGDU AIRPLANE INDUSTRY (GROUP) CORP., LTD. Free format text: FORMER OWNER: HUBEI HANGDA SCIENCE TECHNOLOGY CO., LTD. Effective date: 20150226 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Min Inventor after: Li Jinghong Inventor after: Tian Wei Inventor after: Xu Xin Inventor after: Hu Yongdong Inventor after: Wang Lijun Inventor before: Xu Xin Inventor before: Hu Yongdong Inventor before: Wang Lijun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU XIN HU YONGDONG WANG LIJUN TO: HE MIN LI JINGHONG TIAN WEI XU XIN HU YONGDONG WANG LIJUN Free format text: CORRECT: ADDRESS; FROM: 430040 WUHAN, HUBEI PROVINCE TO: 610092 CHENGDU, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150226 Address after: 610092 Huang Tian dam, western suburbs of Qingyang District, Sichuan, Chengdu Patentee after: Chengdu Airplane Industry (Group) Corp., Ltd. Patentee after: Nanjing University of Aeronautics and Astronautics Patentee after: Hubei Hangda Science Technology Co., Ltd. Address before: 430040 No. 15 Wu Nan Road, Dongxihu District, Hubei, Wuhan Patentee before: Hubei Hangda Science Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20161230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |