CN209482973U - A kind of spacecraft hatch door repetition retaining mechanism - Google Patents
A kind of spacecraft hatch door repetition retaining mechanism Download PDFInfo
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- CN209482973U CN209482973U CN201821979418.1U CN201821979418U CN209482973U CN 209482973 U CN209482973 U CN 209482973U CN 201821979418 U CN201821979418 U CN 201821979418U CN 209482973 U CN209482973 U CN 209482973U
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- driving lever
- hatch door
- retaining mechanism
- lever
- lock
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Abstract
The utility model relates to a kind of spacecraft hatch doors with retaining mechanism is repeated, and belong to spacecraft equipment technical field, it is characterised in that: including lock box, by lock cabin and at least one locking assembly；The locking assembly includes driving lever, follower lever and latch hook；The latch hook and follower lever, which rotate coaxially, to be arranged in lock box；The both ends of the driving lever are respectively moving portion and interconnecting piece；The free end of the follower lever and the interconnecting piece of driving lever are hinged；The moving portion of the driving lever is towards by lock cabin straight reciprocating setting；The free end of the latch hook is connected to by lock cabin.The beneficial effects of the utility model are: structure is simple, and it is easy to operate, unlocking can be fast implemented and shut, the efficiency of unlocking and block action is improved；Unlocking is realized by link mechanism or is shut, and structure is simple, and manufacturing cost is low, and has enough reliabilities.
Description
Technical field
The utility model relates to spacecraft equipment technical fields, more particularly to a kind of spacecraft hatch door repetition locking machine
Structure.
Background technique
Spacecraft is also known as spacecraft, space craft, refers to and runs according to the rule of celestial mechanics in space, executes spy
Rope, exploitation, all kinds of aircraft using particular tasks such as space and celestial bodies.
In order to enable the connection between spacecraft is reliable, it will usually design locking device in spacecraft launching site mechanism, most
Early hook locking type locking device is at the initial stage seventies in NASA Apollo Personnel investigation Program " in the command module and lunar module docking mechanism of airship
To application.In recent years, cabin door locking apparatus is just actively studied in China.
During spacecraft executes aerial mission, payload bay will appear the unbalanced operating condition of inside and outside differential pressure, institute
Retaining mechanism is set with hatch door, the hatch door of closed state is locked, and locking load appropriate is provided, to meet pneumatic pressure difference
With thermosealed requirement.The pressure difference of payload hatch door is there are two types of state, when cabin external pressure is greater than internal pressure, hatch door by bulkhead and
The support of hatch door crossbeam, is able to maintain closed state under the auxiliary of hatch door hinge and hatch door retaining mechanism, outside cabin internal pressure is greater than
When pressure, hatch door relies primarily on hatch door hinge and the pretightning force of hatch door retaining mechanism is kept closed.Hatch door retaining mechanism is being set
Timing will comprehensively consider the needs of hatch door gas pressure loads, aircraft overload, hatch door heat seal and other uncertain factors, guarantee lock
Tight mechanism service load is in zone of reasonableness.
It has reached its maturity both at home and abroad for repeating the research of retaining mechanism, and it is domestic by numerous domestic scholar in recent years
Unremitting effort, also achieve many technical breakthroughs, repeatedly retaining mechanism provides reliable theory for further research
Foundation, but current retaining mechanism still have the shortcomings that structure is complicated, unlock and block action low efficiency, in view of this, this
Application proposes solution.
Utility model content
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of spacecraft hatch door
With retaining mechanism is repeated, solve that structure is complicated, unlocks and the technical issues of block action low efficiency.
The purpose of this utility model is achieved through the following technical solutions: a kind of spacecraft hatch door repetition locking machine
Structure, it is characterised in that: including lock box, by lock cabin and at least one locking assembly；The locking assembly includes driving lever, follower lever
And latch hook；The latch hook and follower lever, which rotate coaxially, to be arranged in lock box；The both ends of the driving lever are respectively moving portion and company
Socket part；The free end of the follower lever and the interconnecting piece of driving lever are hinged；The moving portion of the driving lever is towards by lock cabin straight line
Move back and forth setting；The free end of the latch hook is connected to by lock cabin.
Preferably, there is arc orbit in the lock box；And the articulated section of follower lever and driving lever is slidably arranged in circular arc
In track, the driving lever and follower lever are located at the two sides of arc orbit；And the center of rotation and circle of latch hook and follower lever
The center of circle of arc track is arranged concentrically.
Preferably, it is fixed with railroad shoe in the lock box, railroad shoe is fan-shaped, and the arc orbit is provided with railroad shoe
On.
Preferably, the angular range between the driving lever and follower lever is 20 °~170 °.
Preferably, the free end of the latch hook has gib head, is offered lockhole on lock cabin, gib head passes through lockhole and is stuck in lock
The hole wall in hole.
Preferably, first connecting rod is hinged on the driving lever, the end of the first connecting rod is hinged with second connecting rod, the
The end of two connecting rods and follower lever are hinged.
Preferably, the locking device is provided with multiple.
Preferably, sliding setting sprocket drive spindle, gear shaft axially slide setting in the lock box；The end of gear shaft
It is fixedly connected with the moving portion of driving lever, drives the moving portion of driving lever to act by the sliding of gear shaft.
Preferably, rotation is provided with driving gear in the lock box, and driving gear is meshed with gear shaft；The driving tooth
Brake motor is sequentially connected on wheel, brake motor is fixed in lock box.
Preferably, the gear shaft includes gear part, first end and second end；Gear part setting is at middle part, and described first
End is fixedly connected with driving lever, and second end is slidably arranged on the cabinet of lock box；And spring is socketed on the gear shaft, it is described
One end of spring is fixedly connected with gear part, and the other end is connect with the lock box cabinet close to second end.
The beneficial effects of the utility model are:
When the end of driving lever is away from by the movement of lock cabin direction, follower lever rotation is driven, because of follower lever and latch hook
It rotates coaxially, so that the free end with moveable lock hook is rotated towards inside, to realize and unlock with by lock cabin reliable separation, and locks
Hook continues to rotate until completely into lock box, and latch hook is accommodated into lock box, compact-sized；When the end of driving lever is towards by lock cabin side
To it is mobile when, drive follower lever rotation, so that the free end with moveable lock hook is rotated towards outside, thus protrude by lock cabin until
Clamping, realization are shut, and repeat aforesaid operations, repetition locking operation can be realized, and structure is simple, easy to operate, can be fast implemented
It unlocks and shuts, improve the efficiency of unlocking and block action；Unlocking is realized by link mechanism or is shut, structure is simple,
Manufacturing cost is low, and has enough reliabilities.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the best embodiment of the utility model；
Fig. 2 is the structural schematic diagram of locking state；
Fig. 3 is the structural schematic diagram of unlocking condition；
In figure: 1- lock box, 2- is by lock cabin, 3- driving lever, 4- follower lever, 5- latch hook, 6- arc orbit, 7- railroad shoe, 8-
Gib head, 9- first connecting rod, 10- second connecting rod, 11- gear shaft, 12- driving gear, 13- brake motor, 14- gear part, 15- bullet
Spring, 16- half a month seat.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
With novel further description.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, is fallen within the protection scope of the utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of spacecraft hatch door is with repeating retaining mechanism, it is characterised in that: including lock box 1,
By lock cabin 2 and at least one locking assembly；The locking assembly includes driving lever 3, follower lever 4 and latch hook 5；5 He of latch hook
Follower lever 4, which rotates coaxially, to be arranged in lock box 1；The both ends of the driving lever 3 are respectively moving portion and interconnecting piece；The follower lever
4 free end and the interconnecting piece of driving lever 3 are hinged；The moving portion of the driving lever 3 is set towards by lock 2 straight reciprocating of cabin
It sets；The free end of the latch hook 5 is connected to by lock cabin 2.
As Fig. 1 drives follower lever 4 to rotate, because driven when the end of driving lever 3 is away from by the movement of lock 2 direction of cabin
Bar 4 is rotated coaxially with latch hook 5, so that the free end with moveable lock hook 5 is rotated towards inside, thus with by lock 2 reliable separation of cabin, in fact
It now unlocks, and latch hook 5 continues to rotate until completely into lock box 1, latch hook 5 is accommodated into lock box 1, compact-sized；When driving lever 3
When end is towards by the movement of lock 2 direction of cabin, follower lever 4 is driven to rotate, so that the free end with moveable lock hook 5 is rotated towards outside,
To protrude by, until clamping, realization are shut, repetition locking operation, structure letter can be realized in repetition aforesaid operations in lock cabin 2
It is single, it is easy to operate, unlocking can be fast implemented and shut；By link mechanism realize unlocking or shut, structure is simple, manufacture at
This is low, and has enough reliabilities.
There is arc orbit 6 in the lock box 1；And the articulated section of follower lever 4 and driving lever 3 is slidably arranged in arc orbit
In 6, the driving lever 3 and follower lever 4 are located at the two sides of arc orbit 6；And the center of rotation of latch hook 5 and follower lever 4 with
The center of circle of arc orbit 6 is arranged concentrically.Arc orbit 6 has guiding function, improves structural stability, helps to improve locking
Reliability.
Railroad shoe 7 is fixed in the lock box 1, railroad shoe 7 is fan-shaped, and above-mentioned arc orbit 6 is provided with railroad shoe 7
On, sliding is provided with slide bar in arc orbit 6, and one end of driving lever 3 and one end of follower lever 4 are rotatablely connected with slide bar.
Angular range between the driving lever 3 and follower lever 4 is 20 °~170 °.When between driving lever 3 and follower lever 4
Angle close to 180 ° or 0 ° when, it is easy to occur self-locking, cause smoothly to unlock, in order to avoid the above problem, it is necessary to tight
Lattice control the angle of driving lever 3 and follower lever 4, avoid the occurrence of self-locking, can be realized by controlling the stroke of worm screw, or in limitation
The radian for the arc orbit 6 stated, in this embodiment, the radian of arc orbit 6 are 120 °.
The free end of latch hook 5 has gib head 8, is offered lockhole on lock cabin 2, lockhole is square or circle, gib head 8 pass through
Lockhole is stuck in the hole wall of lockhole.And locking assembly setting is multiple, in this embodiment, lockhole is square hole, and locking assembly is provided with four
It is a, along being uniformly arranged around lockhole.
In order to improve the bonding strength of driving lever 3 and follower lever 4, it is hinged with first connecting rod 9 on driving lever 3, described first
The end of connecting rod 9 is hinged with second connecting rod 10, and the end of second connecting rod 10 and follower lever 4 are hinged.In the present embodiment, first connects
Bar 9 is hinged on the end of driving lever 3, and second connecting rod 10 is hinged on the middle part of follower lever 4.
Sliding setting sprocket drive spindle 11, gear shaft 11 axially slide setting in the lock box 1；The end of gear shaft 11
It is fixedly connected with the moving portion of driving lever 3, drives the moving portion of driving lever 3 to act by the sliding of gear shaft 11.Gear shaft 11
Connection be slidably arranged in lock box 1 by two bearing blocks.
Rotation is provided with driving gear 12 in the lock box 1, and driving gear 12 is meshed with gear shaft 11, and driving gear
Brake motor 13 is sequentially connected on 12, brake motor 13 is fixed in lock box 1.Brake motor 13 is the prior art, is being braked
There is an electromagnetism brake holding in the tail portion of motor 13, it is also powered actuation when brake motor 13 is powered, at this moment it to brake motor 13 not
Braking, when brake motor 13 powers off, it is also powered off, and brake holding checks motor under the action of spring 15.
In the present embodiment, after brake motor 13 starts, brake motor 13 drives driving gear 12 to rotate forward, driving gear 12
It is meshed with gear shaft 11, engaging structure is equal to the engaging structure between wheel and rack, and band movable gear shaft 11 does straight line
Movement, band moveable lock hook 5 laterally rotate；Then after brake motor 13 is closed, electromagnetism brake holding is held tightly, so that driving gear 12 will not
Rotation, clamping gear shaft 11 realize locking, such as Fig. 2 so that fixed driving lever 3, prevents latch hook 5 from rotating.When needing to unlock,
Brake motor 13 starts, and brake motor 13 drives driving gear 12 to invert, and band movable gear shaft 11 is mobile to opposite direction, and rotation is actively
Bar 3 realizes unlocking, such as Fig. 3 to turn to the inside with moveable lock hook 5；Then brake motor 13 is closed, and electromagnetism brake holding is held tightly, is made
Obtaining driving gear 12 not can rotate, clamping gear shaft 11, so that fixed driving lever 3, prevents latch hook 5 from rotating, latch hook 5 be kept to be in
Rounding state.Mechanical interlocking is realized by the engagement force of driving gear 12 and gear shaft 11, locks firm, high reliablity.
The gear shaft 11 includes gear part 14, first end and second end；Gear part 14 is arranged in middle part, the first end
It is fixedly connected with driving lever 3, second end is slidably arranged on the cabinet of lock box 1, solid in lock box 1 in order to limit gear shaft 11
Determine half a month seat 16, gear shaft 11 is slidably arranged in half a month seat 16；And spring 15, the spring are socketed on the gear shaft 11
15 one end is fixedly connected with gear part 14, and the other end is connect with 1 cabinet of lock box close to second end.When locking state, spring
15 are in tensional state, and when unlocking condition, spring 15 is in compressive state, and spring 15 plays the role of preload, so that driving gear
12 are adjacent to gear shaft 11, avoid the occurrence of gap and generate vibration, improve precision.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, there can be various modifications and variations in the spirit and principles of the utility model, these are equivalent
Variation or replacement etc., are included in the protection scope of the present invention.
Claims (10)
1. a kind of spacecraft hatch door repetition retaining mechanism, it is characterised in that: including lock box, by lock cabin and at least one locking group
Part；The locking assembly includes driving lever, follower lever and latch hook；The latch hook and follower lever, which rotate coaxially, to be arranged in lock box；
The both ends of the driving lever are respectively moving portion and interconnecting piece；The free end of the follower lever and the interconnecting piece of driving lever are hinged；
The moving portion of the driving lever is towards by lock cabin straight reciprocating setting；The free end of the latch hook is connected to by lock cabin.
2. spacecraft hatch door according to claim 1 repetition retaining mechanism, it is characterised in that: have circle in the lock box
Arc track；And the articulated section of follower lever and driving lever is slidably arranged in arc orbit, the driving lever and follower lever distinguish position
In the two sides of arc orbit；And the center of circle of the center of rotation and arc orbit of latch hook and follower lever is arranged concentrically.
3. spacecraft hatch door according to claim 2 repetition retaining mechanism, it is characterised in that: be fixed in the lock box
Railroad shoe, railroad shoe is fan-shaped, and the arc orbit is provided in railroad shoe.
4. spacecraft hatch door according to claim 1 is with repeating retaining mechanism, it is characterised in that: the driving lever with it is driven
Angular range between bar is 20 °~170 °.
5. spacecraft hatch door according to claim 1 repetition retaining mechanism, it is characterised in that: the free end of the latch hook
With gib head, lockhole is offered on lock cabin, gib head passes through the hole wall that lockhole is stuck in lockhole.
6. spacecraft hatch door according to claim 1 repetition retaining mechanism, it is characterised in that: hinged on the driving lever
There is first connecting rod, the end of the first connecting rod is hinged with second connecting rod, and the end of second connecting rod and follower lever are hinged.
7. the repetition retaining mechanism of spacecraft hatch door described in any one according to claim 1~6, it is characterised in that: described
Locking assembly is provided with multiple.
8. spacecraft hatch door according to claim 7 repetition retaining mechanism, it is characterised in that: sliding is set in the lock box
It is equipped with gear shaft, gear shaft axially slides setting；The end of gear shaft is fixedly connected with the moving portion of driving lever, passes through tooth
The sliding of wheel shaft drives the moving portion movement of driving lever.
9. spacecraft hatch door according to claim 8 repetition retaining mechanism, it is characterised in that: rotation is set in the lock box
It is equipped with driving gear, driving gear is meshed with gear shaft；Brake motor, brake motor are sequentially connected on the driving gear
It is fixed in lock box.
10. spacecraft hatch door according to claim 9 is with repeating retaining mechanism, it is characterised in that: the gear shaft includes
Gear part, first end and second end；Gear part is arranged at middle part, and the first end is fixedly connected with driving lever, second end sliding
It is arranged on the cabinet of lock box；And spring is socketed on the gear shaft, one end of the spring is fixedly connected with gear part, separately
One end is connect with the lock box cabinet close to second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979418.1U CN209482973U (en) | 2018-11-28 | 2018-11-28 | A kind of spacecraft hatch door repetition retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979418.1U CN209482973U (en) | 2018-11-28 | 2018-11-28 | A kind of spacecraft hatch door repetition retaining mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209482973U true CN209482973U (en) | 2019-10-11 |
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ID=68116912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821979418.1U Active CN209482973U (en) | 2018-11-28 | 2018-11-28 | A kind of spacecraft hatch door repetition retaining mechanism |
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| Country | Link |
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| CN (1) | CN209482973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209085A (en) * | 2018-11-28 | 2019-01-15 | 四川航天机电工程研究所 | A kind of spacecraft hatch door repetition retaining mechanism |
| KR20230121345A (en) * | 2022-02-11 | 2023-08-18 | 국방과학연구소 | Seperation system |
-
2018
- 2018-11-28 CN CN201821979418.1U patent/CN209482973U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209085A (en) * | 2018-11-28 | 2019-01-15 | 四川航天机电工程研究所 | A kind of spacecraft hatch door repetition retaining mechanism |
| CN109209085B (en) * | 2018-11-28 | 2023-11-28 | 四川航天机电工程研究所 | Repeated locking mechanism for spacecraft cabin door |
| KR20230121345A (en) * | 2022-02-11 | 2023-08-18 | 국방과학연구소 | Seperation system |
| KR102622936B1 (en) | 2022-02-11 | 2024-01-10 | 국방과학연구소 | Seperation system |
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