CN204452916U - A kind of length-adjustable hatch door connecting rod mechanism - Google Patents
A kind of length-adjustable hatch door connecting rod mechanism Download PDFInfo
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- CN204452916U CN204452916U CN201420774974.0U CN201420774974U CN204452916U CN 204452916 U CN204452916 U CN 204452916U CN 201420774974 U CN201420774974 U CN 201420774974U CN 204452916 U CN204452916 U CN 204452916U
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Abstract
The utility model devises a kind of length-adjustable hatch door connecting rod mechanism, and this mechanism can realize the interlock between ram-air turbine (being called for short RAT) and hatch door, and length of connecting rod can adjust according to installation needs.Design a kind of hatch door connecting rod mechanism, realize the interlock in RAT dispose procedure and between hatch door, this mechanism has adjustable length function simultaneously, facilitates Installation and Debugging.The hatch door connecting rod of the utility model design can realize the interlock between RAT and hatch door, the harm that the hatch door mounting means avoiding blast screw-type brings; Hatch door length of connecting rod is adjustable, can facilitate the Installation and Debugging of connecting rod.
Description
Technical field
Ram-air turbine (being called for short RAT) is mainly used in aircraft emergency power system, for aircraft provides emergent hydraulic energy or electric energy.The utility model devises a kind of length-adjustable hatch door connecting rod mechanism, to realize the interlock between RAT and hatch door.
Background technology
RAT is Emergency power source device, and usual folding and unfolding is standby in RAT cabin.When aircraft is in emergency rating, is rendered in external fuselage air-flow by pressurized strut and work.Opening of RAT hatch door has two kinds of modes usually: one is by blast screw, and hatch door is blown release; Another links between RAT and hatch door, utilizes the release force of pressurized strut, pushes hatch door open by hatch door connecting rod.The former hatch door is abandoned after blowing, and the fragment that the process of screw blast produces may destroy neighbouring airborne equipment, and the hatch door fallen may produce destruction to ground object.The latter RAT and hatch door link, and hatch door does not depart from aircraft all the time, and hatch door can Reusability.Both compare, and the RAT hatch door mode of coordinated type is widely adopted.
Summary of the invention
Design a kind of hatch door connecting rod mechanism, realize the interlock in RAT dispose procedure and between hatch door, this mechanism has adjustable length function simultaneously, facilitates Installation and Debugging.
A kind of length-adjustable hatch door connecting rod mechanism, realize the interlock between ram-air turbine and hatch door, comprise shift fork, rod end, the first circular nut, connecting rod, pullover, the second circular nut, top of connecting rod, shaft shoulder screw, small slide and oscillating bearing, wherein shift fork is connected on ram-air turbine, small slide is connected on hatch door, rod end and connecting rod are threaded connection, and rod end is equipped with oscillating bearing, and it freely can rotate vertically with shift fork; Oscillating bearing is equipped with at small slide two ends, and it axially freely can rotate around it with top of connecting rod, top of connecting rod and pullover free-running fit, and can relatively rotate.Have adjustable length function, the length be threaded into by adjustment rod end and connecting rod adjusts overall length.Mechanism spatial degrees of freedom is 1, can realize the interlock between two spatial components, i.e. the corresponding hatch door position of RAT attitude.
The hatch door connecting rod of the utility model design can realize the interlock between RAT and hatch door, the harm that the hatch door mounting means avoiding blast screw-type brings; Hatch door length of connecting rod is adjustable, can facilitate the Installation and Debugging of connecting rod.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A cutaway view in Fig. 1.
1-shift fork, 2-rod end, the 3-the first circular nut, 4-connecting rod, 5-pullover, the 6-the second circular nut, 7-top of connecting rod, 8-shaft shoulder screw, 9-small slide, 10-oscillating bearing
Detailed description of the invention
Below in conjunction with diagram, the utility model is described in further detail, refers to accompanying drawing 1.
The hatch door connecting rod mechanism of the utility model design comprises shift fork 1, rod end 2, first circular nut 3, connecting rod 4, pullover 5, second circular nut 6, top of connecting rod 7, shaft shoulder screw 8, small slide 9 and oscillating bearing 10.Wherein shift fork is connected on RAT hold-down arm by nut, and small slide is connected on hatch door by shaft shoulder screw.Being threaded connection of rod end and connecting rod, and lock with circular nut.Rod end is equipped with oscillating bearing, is connected between rod end with shift fork by shaft shoulder screw, it freely can rotate vertically with shift fork.Oscillating bearing is equipped with at small slide two ends, and its one end is connected with top of connecting rod by shaft shoulder screw, and it with top of connecting rod and freely can rotate vertically.Top of connecting rod and pullover between free-running fit, they can relatively rotate around axis.Oscillating bearing has been installed at top of connecting rod and small slide two ends respectively, can adapt to minute angle and regulate.
Mechanism spatial degrees of freedom is 1, thus can realize the interlock between two spatial components, and when namely RAT is in an attitude, the position of hatch door is uniquely determined.
Length of connecting rod can be adjusted by the screw-in length of screw thread between adjustment rod end and connecting rod.The Installation and Debugging method of hatch door connecting rod is:
A) be installed on RAT hold-down arm by shift fork shaft shoulder screw, be installed on RAT hatch door by small slide free end shaft shoulder screw, hatch door connecting rod installs;
B) realized the interlock of RAT and hatch door by retractable actuating cylinder, RAT hatch door is reclaimed completely, check that whether RAT hatch door position is suitable, if improper, unclamp the first circular nut 3, adjustment rod end screws in the depth of thread of connecting rod, know that hatch door arrives correct position, then lock the first circular nut 3.
Claims (1)
1. a length-adjustable hatch door connecting rod mechanism, realize the interlock between ram-air turbine and hatch door, it is characterized in that: comprise shift fork (1), rod end (2), first circular nut (3), connecting rod (4), pullover (5), second circular nut (6), top of connecting rod (7), shaft shoulder screw (8), small slide (9) and oscillating bearing (10), wherein shift fork (1) is connected on ram-air turbine, small slide (9) is connected on hatch door, rod end (2) and connecting rod (4) are threaded connection, oscillating bearing (10) rod end (2) is equipped with, it freely can rotate vertically with shift fork (1), oscillating bearing (10) is equipped with at small slide (9) two ends, and it axially freely can rotate around it with top of connecting rod (7), top of connecting rod (7) and pullover (5) free-running fit, and can relatively rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774974.0U CN204452916U (en) | 2014-12-10 | 2014-12-10 | A kind of length-adjustable hatch door connecting rod mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774974.0U CN204452916U (en) | 2014-12-10 | 2014-12-10 | A kind of length-adjustable hatch door connecting rod mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204452916U true CN204452916U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420774974.0U Active CN204452916U (en) | 2014-12-10 | 2014-12-10 | A kind of length-adjustable hatch door connecting rod mechanism |
Country Status (1)
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| CN (1) | CN204452916U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156455A (en) * | 2015-08-19 | 2015-12-16 | 中国航空工业集团公司西安飞机设计研究所 | Connecting rod |
| CN106985996A (en) * | 2015-12-03 | 2017-07-28 | 空中客车运作有限责任公司 | Length-adjustable Sa Mo bars |
| CN111003198A (en) * | 2019-12-27 | 2020-04-14 | 中国航空工业集团公司西安飞机设计研究所 | Airplane cabin door connecting rod force fixing method and device |
| CN111268150A (en) * | 2018-12-04 | 2020-06-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Duct type ram air turbine emergency energy system |
| CN114320049A (en) * | 2021-12-30 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Ram air turbine system cabin door link gear |
-
2014
- 2014-12-10 CN CN201420774974.0U patent/CN204452916U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156455A (en) * | 2015-08-19 | 2015-12-16 | 中国航空工业集团公司西安飞机设计研究所 | Connecting rod |
| CN105156455B (en) * | 2015-08-19 | 2018-04-13 | 中国航空工业集团公司西安飞机设计研究所 | A kind of connecting rod |
| CN106985996A (en) * | 2015-12-03 | 2017-07-28 | 空中客车运作有限责任公司 | Length-adjustable Sa Mo bars |
| CN106985996B (en) * | 2015-12-03 | 2019-05-17 | 空中客车运作有限责任公司 | Length-adjustable Sa Mo bar |
| CN111268150A (en) * | 2018-12-04 | 2020-06-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Duct type ram air turbine emergency energy system |
| CN111003198A (en) * | 2019-12-27 | 2020-04-14 | 中国航空工业集团公司西安飞机设计研究所 | Airplane cabin door connecting rod force fixing method and device |
| CN114320049A (en) * | 2021-12-30 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Ram air turbine system cabin door link gear |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |