CN203601566U - Extraction releasing device - Google Patents
Extraction releasing device Download PDFInfo
- Publication number
- CN203601566U CN203601566U CN201320755003.7U CN201320755003U CN203601566U CN 203601566 U CN203601566 U CN 203601566U CN 201320755003 U CN201320755003 U CN 201320755003U CN 203601566 U CN203601566 U CN 203601566U
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- Prior art keywords
- lever
- locking lever
- housing
- rocking arm
- groove
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- Withdrawn - After Issue
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Abstract
The utility model relates to an extraction releasing device which comprises a casing (1), a locking lever (5), a piston rod (2), a swing arm (7), an unlocking lever (9) and a releasing cable (17), wherein a movable cylinder is arranged in the casing (1), the piston rod (2) moves in the movable cylinder, a clamping groove is formed in the lateral wall of the piston rod (2), one end of the locking lever (5) is clamped in the clamping groove, and the other end of the locking lever (5) is used for being connected with an extraction parachute. A rotary shaft (6) of the locking lever (5) is clamped between the clamping opening of the casing (1) and the clamping opening in the upper end of the swing arm (7) and drives the swing arm (7) to rotate when moving, and the locking lever (5) is fixed on the casing (1) through a shearing pin (4). The extraction releasing device is large in power transmission ratio by adopting a multistage lever mechanism, compact in structure, small in size, and capable of performing release automatically and easily, locking airdrop equipment through anchoring force and reducing fault rate greatly.
Description
Technical field
The utility model relates to air-drop equipment, more particularly, relates to a kind of traction disconnecting gear.
Background technology
Traction disconnecting gear is mainly used in before heavy drop equipment air-drop locking aboard, makes to equip to separate with extraction parachute when air-drop after under the work of tractive force, air-drop equipment being pulled out to machine and equipping out machine.
At present, known its complex structure of traction disconnecting gear, maintenance is comparatively complicated.Air-drop armament is easily front and back slippage in flight course, the easy et out of order of traction disconnecting gear.In flight course, be subject to the impact of aircraft vibration, the easily front and back slippage of air-drop equipment, lock function is unreliable; In the time that air-drop equipment pulls out machine, it is excessive that traction air-drop equipment is subject to the pulling force of trailing cable, causes drawing disconnecting gear easy damaged, access times less than situation lower device lost efficacy, there is fast and effeciently separation phenomenon of device and extraction parachute.
Summary of the invention
The technical problems to be solved in the utility model is, provide a kind of simple in structure, lock function reliability is high and the traction disconnecting gear of failure rate is low.
The utility model solves the technical scheme that its technical matters adopts: a kind of traction of structure disconnecting gear, comprise housing, locking lever, piston rod, rocking arm, unlock lever and disengagement cable, in described housing, be provided with moving cylinder, described piston rod is mobile in described moving cylinder, the sidewall of described piston rod is provided with draw-in groove, one end of described locking lever is stuck in described draw-in groove, the other end of described locking lever is for being connected with extraction parachute, described housing is provided with bayonet socket, there is bayonet socket the upper end of described rocking arm, described rocking arm is hinged on described housing, the rotating shaft of described locking lever is stuck between the bayonet socket of housing and the bayonet socket of rocking arm upper end, the rotating shaft of described locking lever drives described rocking arm to rotate while movement,
Described locking lever is fixed on described housing by shear pin, described unlock lever is provided with groove, described housing is provided with pillar, one end of described disengagement cable hangs in the groove of described unlock lever, the other end is fixed on jack back, the opening of the groove of described unlock lever is by the sealing of insurance fibril, and described insurance fibril is also hooked on pillar, and described unlock lever limits described rocking arm by multi-grade lever and rotates under the propulsive effort of the rotating shaft of locking lever.
In such scheme, described multi-grade lever comprises the grooved shaft and the bayonet lock that are arranged on described housing, and described unlock lever is fixed on described grooved shaft, and described bayonet lock is hinged on described housing, described bayonet lock is stuck on described grooved shaft, and described bayonet lock is provided with the groove of the lower end of blocking described rocking arm.
In such scheme, described grooved shaft is provided with otic placode, and described housing is provided with tension spring shaft, and described tension spring shaft is connected by extension spring with otic placode.
In such scheme, described housing is provided with torsion spring pin and torsion spring, and described extension spring one end is fixed on described torsion spring pin, and the other end of described extension spring is fixed on described bayonet lock.
In such scheme, the top of described moving cylinder is provided with top cover.
Implement traction disconnecting gear of the present utility model, there is following beneficial effect:
1, when piston rod stretches out, locking air-drop equipment, is fixed on air-drop equipment in cabin, can arbitrarily not rock.When locking lever is subject to, after the effect of tractive force, cutting off shear pin under the effect of tractive force, locking lever clockwise rotates around axle, drives on piston rod and moves, and removes the locking to air-drop equipment.
2, disembark moment at air-drop equipment, tension force in disengagement cable is broken insurance fibril, unlock lever rotates counterclockwise, the rotating shaft of locking lever drives rocking arm to clockwise rotate, multi-grade lever separates with unlock lever, and multi-grade lever can not continue to limit the rotation of rocking arm, and rocking arm turns to can not be spacing to locking lever, locking lever has departed from housing, has completed extraction parachute and separating that air-drop is equipped.
3, air-drop is locked in unlock lever on pillar by insurance fibril before being equipped in air-drop, and unlock lever and rocking arm can arbitrarily not rock, and have improved stability.
4, adopt multi-grade lever mechanism, power transmission is than large, and compact conformation, volume be little, automatically terminate constraint easily, can determine power locking air-drop equipment, and reduce widely fault rate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of traction disconnecting gear;
Fig. 2 is the internal view of traction disconnecting gear;
Fig. 3 is that locking lever is subject to the constitution diagram before tractive force effect;
Fig. 4 be locking lever be subject to tractive force effect rotate time constitution diagram;
Constitution diagram when Fig. 5 is locking lever and rocking arm disengaging;
Fig. 6 is that disengagement cable is subject to the constitution diagram before pulling force;
Fig. 7 is the constitution diagram that disengagement cable is subject to depart from after pulling force unlock lever.
The specific embodiment
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As shown in Figure 1 and Figure 2, traction disconnecting gear of the present utility model comprises housing 1, locking lever 5, piston rod 2, rocking arm 7, unlock lever 9 and disengagement cable 17.
It is upper that housing 1 is fixed on air-drop equipment, is provided with moving cylinder in housing 1, and piston rod 2 can be mobile in moving cylinder, and the top of moving cylinder is provided with top cover 3.The sidewall of piston rod 2 is provided with groove, and one end of locking lever 5 is stuck in groove, and the other end of locking lever 5 is connected with extraction parachute, when locking lever 5 is rotated by tractive force, can drive piston rod 2 to move.Rocking arm 7 is hinged on housing 1 by rocking arm bolt 8, and housing 1 is provided with bayonet socket, and there is bayonet socket the upper end of rocking arm 7, and the rotating shaft 6 of locking lever 5 is stuck between the bayonet socket and the bayonet socket of rocking arm 7 upper ends on housing 1.Locking lever 5 is fixed on housing 1 by shear pin 4, and shear pin can prevent that locking lever 5 from rotating.Rotating shaft 6 movement laterally of locking lever 5 can drive rocking arm 7 to clockwise rotate.Clockwise direction in the present embodiment, Figure 2 shows that benchmark, should not be construed as restriction of the present utility model.
As shown in Figure 3-Figure 5, when piston rod 2 stretches out, locking air-drop equipment, is fixed on air-drop equipment in cabin, can arbitrarily not rock.When locking lever 5 is subject to, after the effect of tractive force, cutting off shear pin 4 under the effect of tractive force, locking lever 56 clockwise rotates around the shaft, drives on piston rod 2 and moves, and removes the locking to air-drop equipment.Disembark moment at air-drop equipment, tension force in disengagement cable 17 is broken insurance fibril 16, unlock lever 9 rotates counterclockwise, the rotating shaft 6 of locking lever 5 is moved laterally, drives rocking arm 7 to clockwise rotate, and multi-grade lever separates with unlock lever 9, multi-grade lever can not continue to limit the rotation of rocking arm 7; rocking arm 7 turns to can not be spacing to locking lever 5, and locking lever 5 has departed from housing 1, has completed extraction parachute and separating that air-drop is equipped.Air-drop is locked in unlock lever 9 on pillar 13 by insurance fibril 16 before being equipped in air-drop, and unlock lever 9 and rocking arm 7 can arbitrarily not rock, and have improved stability.The utility model adopts multi-grade lever mechanism, and power transmission is than large, and compact conformation, volume be little, automatically terminate constraint easily.
As shown in Figure 6, Figure 7, further, multi-grade lever comprises the grooved shaft 11 and the bayonet lock 10 that are arranged on housing 1, unlock lever 9 is fixed on grooved shaft 11, bayonet lock 10 is hinged on described housing 1 by bayonet screws 12, bayonet lock 10 rides on grooved shaft 11, and bayonet lock 10 is provided with the groove of the lower end of blocking rocking arm 7.When rocking arm 7 clockwise rotates, can drive bayonet lock 10 to rotate counterclockwise, but because the slotted axle 11 of bayonet lock 10 blocks, therefore bayonet lock 10 cannot rotate, rocking arm 7 also just cannot clockwise rotate.
Further, grooved shaft 11 is provided with otic placode 20, and housing 1 is provided with tension spring shaft 19, and tension spring shaft 19 is connected by extension spring 14 with otic placode 20.Housing 1 is provided with torsion spring pin 18 and torsion spring 15, and extension spring 14 one end are fixed on torsion spring pin 18, and the other end of extension spring 14 is fixed on bayonet lock 10.Grooved shaft 11 is held in extension spring 14 downwards, prevent that it from rotating counterclockwise, the elastic force of torsion spring 15 can prevent that bayonet lock 10 from rotating counterclockwise, the elastic force of extension spring 14 and torsion spring 15 has further overcome the application force to rocking arm 7 when locking lever 5 rotates, when disengagement cable 17 is not subject to pulling force or pulling force hour, rocking arm 7 can not clockwise rotate.
Disembark moment at air-drop equipment, tension force in disengagement cable 17 is broken insurance fibril 16, unlock lever 9 departs from pillar 13, unlock lever 9 and grooved shaft 11 rotate counterclockwise, extension spring 14 is stretched, fluting position on grooved shaft 11 is to the below of bayonet lock 10, therefore grooved shaft 11 can not continue to block bayonet lock 10, disengagement cable 17 separates with unlock lever 9, the rotating shaft 6 of locking lever 5 drives rocking arm 7 to clockwise rotate under the effect of tractive force, the bayonet lock 10 withstanding on grooved shaft 11 offsets downward it in the effect of 7 power transmissions of rocking arm, decontrol rocking arm 7, rocking arm 7 is departing from after bayonet lock 10, rotate along clockwise direction also until unclamp locking lever 5 around rocking arm bolt 8, locking lever 5 departs from traction disconnecting gear main body.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (5)
1. a traction disconnecting gear, it is characterized in that, comprise housing (1), locking lever (5), piston rod (2), rocking arm (7), unlock lever (9) and disengagement cable (17), in described housing (1), be provided with moving cylinder, described piston rod (2) is mobile in described moving cylinder, the sidewall of described piston rod (2) is provided with draw-in groove, one end of described locking lever (5) is stuck in described draw-in groove, the other end of described locking lever (5) is for being connected with extraction parachute, described housing (1) is provided with bayonet socket, there is bayonet socket the upper end of described rocking arm (7), described rocking arm (7) is hinged on described housing (1), the rotating shaft (6) of described locking lever (5) is stuck between the bayonet socket of housing (1) and the bayonet socket of rocking arm (7) upper end, the rotating shaft (6) of described locking lever (5) drives described rocking arm (7) to rotate while movement,
Described locking lever (5) is fixed on described housing (1) by shear pin (4), described unlock lever (9) is provided with groove, described housing (1) is provided with pillar (13), one end of described disengagement cable (17) hangs in the groove of described unlock lever (9), the other end is fixed on jack back, the opening of the groove of described unlock lever (9) is by insurance fibril (16) sealing, described insurance fibril (16) is also hooked on pillar (13), described unlock lever (9) limits described rocking arm (7) by multi-grade lever and rotates under the propulsive effort of the rotating shaft (6) of locking lever (5).
2. traction disconnecting gear according to claim 1, it is characterized in that, described multi-grade lever comprises the grooved shaft (11) and the bayonet lock (10) that are arranged on described housing (1), described unlock lever (9) is fixed on described grooved shaft (11), described bayonet lock (10) is hinged on described housing (1), it is upper that described bayonet lock (10) is stuck in described grooved shaft (11), and described bayonet lock (10) is provided with the groove of the lower end of blocking described rocking arm (7).
3. traction disconnecting gear according to claim 2, is characterized in that, described grooved shaft (11) is provided with otic placode (20), and described housing (1) is provided with tension spring shaft (19), and described tension spring shaft (19) is connected by extension spring (14) with otic placode (20).
4. traction disconnecting gear according to claim 3, it is characterized in that, described housing (1) is provided with torsion spring pin (18) and torsion spring (15), it is upper that described extension spring (14) one end is fixed on described torsion spring pin (18), and the other end of described extension spring (14) is fixed on described bayonet lock (10).
5. traction disconnecting gear according to claim 1, is characterized in that, the top of described moving cylinder is provided with top cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320755003.7U CN203601566U (en) | 2013-11-26 | 2013-11-26 | Extraction releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320755003.7U CN203601566U (en) | 2013-11-26 | 2013-11-26 | Extraction releasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203601566U true CN203601566U (en) | 2014-05-21 |
Family
ID=50714254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320755003.7U Withdrawn - After Issue CN203601566U (en) | 2013-11-26 | 2013-11-26 | Extraction releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203601566U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612758A (en) * | 2013-11-26 | 2014-03-05 | 航宇救生装备有限公司 | Traction disconnecting device |
| CN105129092A (en) * | 2015-08-13 | 2015-12-09 | 中国航空工业集团公司西安飞机设计研究所 | Hook-type traction conversion device |
| CN105217036A (en) * | 2014-06-13 | 2016-01-06 | 陕西飞机工业（集团）有限公司 | Traction air-drop parachuting unit |
| CN106672236A (en) * | 2016-08-26 | 2017-05-17 | 航宇救生装备有限公司 | Rapid tethering and separating device |
| CN109319129A (en) * | 2018-10-31 | 2019-02-12 | 西安爱生技术集团公司 | A kind of fixed-wing unmanned plane cuts umbrella device control method automatically |
-
2013
- 2013-11-26 CN CN201320755003.7U patent/CN203601566U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612758A (en) * | 2013-11-26 | 2014-03-05 | 航宇救生装备有限公司 | Traction disconnecting device |
| CN105217036A (en) * | 2014-06-13 | 2016-01-06 | 陕西飞机工业（集团）有限公司 | Traction air-drop parachuting unit |
| CN105129092A (en) * | 2015-08-13 | 2015-12-09 | 中国航空工业集团公司西安飞机设计研究所 | Hook-type traction conversion device |
| CN106672236A (en) * | 2016-08-26 | 2017-05-17 | 航宇救生装备有限公司 | Rapid tethering and separating device |
| CN106672236B (en) * | 2016-08-26 | 2023-05-02 | 航宇救生装备有限公司 | Device for quick mooring and releasing |
| CN109319129A (en) * | 2018-10-31 | 2019-02-12 | 西安爱生技术集团公司 | A kind of fixed-wing unmanned plane cuts umbrella device control method automatically |
| CN109319129B (en) * | 2018-10-31 | 2022-05-27 | 西安爱生技术集团公司 | Control method of automatic umbrella cutting device of fixed-wing unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |