CN106314830B - The ground experiment method that point type separates between spacecraft bay section - Google Patents
The ground experiment method that point type separates between spacecraft bay section Download PDFInfo
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- CN106314830B CN106314830B CN201610666861.2A CN201610666861A CN106314830B CN 106314830 B CN106314830 B CN 106314830B CN 201610666861 A CN201610666861 A CN 201610666861A CN 106314830 B CN106314830 B CN 106314830B
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- B64—AIRCRAFT; AVIATION; COSMONAUTICS
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- B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
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Abstract
The present invention provides the ground experiment methods that point type between a kind of spacecraft bay section separates, the following steps are included: step 1: debugging air bearing test platform first, assembling test tooling adjusts height by the threaded connection of air bearing foot pad, maintains the levelness of bay section simulating piece；Step 2: being unlocked using electromagnet, installs same size spring push-rod, is not installed and is unlocked separation test under conditions of breakaway plug；Separation is powered off simultaneously with relay control both sides electromagnet, measures the separating rate of bay section simulating piece under the conditions of synchronizing unlocking, convenient for being compared with asynchronous unlock test；Step 3: electromagnet powers off separation simultaneously, records the displacement changing curve of target；Step 4: setting unlocked time is poor, unlocks the electromagnet of second end first, observes influence of the different unlocked time differences to bay section simulating piece separate condition, record the displacement changing curve of target；Step 5: installation breakaway plug repeats step 2, measures the displacement changing curve of target under the conditions of synchronizing unlocking.
Description
Technical field
The present invention is directed to using point type connection and the validation problem of the separation task between isolated spacecraft bay section, is proposed
A kind of ground experiment verification method can carry out synchronizing unlocking and the isolated examination of asynchronous unlock of point type connection using this method
Verifying.
Background technique
A variety of bindiny mechanisms and separating mechanism are needed on spacecraft to realize the connection between bay section and in-orbit separation function, are solved
Lock is the key that spacecraft separates a ring with the normal work of separator, most important to the success or failure of launch mission.
It unlocks separator and needs to complete the function of different conditions in different phase: during Spacecraft Launch, unlock dress
It sets and is used as machanical fastener, need to bear certain load, independent two bay sections are connected into an entirety；It is after entering the orbit
After system receives separation command, tripper needs to complete unlock, and separator is cooperated to make connected part reliable separation.
For using the point type separator of multiple separation nuts simultaneously, what the unlock synchronism of tripper separated spacecraft bay section
It can work normally with significant impact.Suit the current application needs of spacecraft, the present invention will be in aerospace engineering practice
The point type separator using multiple unlocking mechanisms of proposition designs, unlock and separation function between the carry out spacecraft bay section being used for
And performance indicator verifies work, while can be used for carrying out unlock asynchronism and working on unlock with influence Journal of Sex Research is separated.
Summary of the invention
The object of the present invention is to provide one kind under different primary condition, and point type unlocks separator working performance
Ground experiment method.
To achieve the above object, the invention is realized by the following technical scheme: point type separates between a kind of spacecraft bay section
Ground experiment method, which comprises the following steps:
Step 1: debugging air bearing test platform first, assembling test tooling are adjusted high by the threaded connection of air bearing foot pad
Degree maintains the levelness of bay section simulating piece；The test tool is assembly type test tool, can be replaced according to model needs
Different connection ring simulating piece, unlock separator or measuring devices convenient for reusing there is general applicability and usury to use
Rate.
Step 2: being unlocked using electromagnet, installs same size spring push-rod, is not installed and is carried out under conditions of breakaway plug
Release separation test；Separation is powered off simultaneously with relay control both sides electromagnet, measures bay section simulating piece under the conditions of synchronizing unlocking
Separating rate, convenient for asynchronous unlock test compare；
Step 3: electromagnet powers off separation simultaneously, records the displacement changing curve of target；
Step 4: setting unlocked time is poor, unlocks the electromagnet of second end first, observes different unlocked time differences to bay section
The influence of simulating piece separate condition records the displacement changing curve of target；
Step 5: installation breakaway plug repeats step 2, measures the displacement changing curve of target under the conditions of synchronizing unlocking；
Step 6: setting unlocked time is poor, unlocks the electromagnet of second end first, measures target under asynchronous unlocking condition
Displacement changing curve；
Step 7: setting unlocked time is poor, unlocks the electromagnet of first end first, measures target under asynchronous unlocking condition
Displacement changing curve；
Step 8: in one end of installation breakaway plug using initial compression force is big, the lesser spring push-rod of spring rate, weight
Again Step 5: Step 6: step 7, measures the displacement changing curve of target；
Step 9: removing the electromagnet at both ends, using pneumatic separation nut as tripper, repeats step 5, measures
The displacement changing curve of target under the conditions of synchronizing unlocking；
Step 10: installing the spring push-rod of same size, repeats step 9；
Step 11: removing breakaway plug, repeats step 9；
Step 12: first inflating for second end separation nut and unlock, and measures the displacement changing curve of target after the unlock of one end；
To be exercised when reaching stable state, for the inflation unlock of first end separation nut, can observation separation nut smoothly extract out and this
When target displacement changing curve.
Preferably, the test tool is assembly type test tool, can replace different connection rings according to model needs
Simulating piece, unlock separator or measuring device have general applicability and high usage convenient for reusing.
Preferably, electromagnet and separation nut is respectively adopted in the tripper, and separator uses spring push-rod, in order to
It is corresponding with state on star, separation plug is mounted in one end of bay section simulating piece；When unlocking using electromagnet, pass through relay
It is poor that unlocked time is set, under default situations is set for first end delay time, unlocks second end first.
Preferably, the quantity of the air bearing foot pad is eight groups, is mounted with four groups of air bearings respectively on two parts bay section simulating piece
Foot pad adjusts height by the threaded connection of two parts of air bearing foot pad, maintains the levelness of bay section simulating piece；Use two skies
Press drives four groups of air bearing foots pad as gas source respectively, and the atmospheric pressure value work that four tunnel gas circuits are maintained at 0.5MPa is met when stablizing.
Preferably, the bay section simulating piece adds the total weight of counterweight according to star cabin quality Scaling.
Preferably, high-speed motion picture camera is hung on top by the step 12, entirely unlocks separation process for taking a crane shot,
Patch test target and scale on bay section connection ring partial simulation part, setting camera shooting frequency is 1000 frames/second；Pass through high-speed motion picture camera
Four targets can be directly obtained to become relative to the distance between the movement velocity of respective initial position and two opposite targets
Change, by Data Analysis Services, obtains the maximum opening distance between connection ring, the motion excursion angle of quality simulating part, X, Y
The parameters such as the separating rate of axis both direction.
Preferably, the ground experiment method that point type separates between the spacecraft bay section uses four groups of laser displacement gauges, range
It is 300mm, is respectively placed in two connection ring simulating piece both ends, is respectively pasted on the corresponding position at connection ring simulating piece both ends
Two aluminium flakes are placed in connection ring simulating piece both sides using staggered mode, avoid disengaging movement as target, laser displacement gauge
Process collides.
The present invention compared with the prior art, has the following advantages that and good effect:
One, the present invention use assembly type test tool, can according to model needs, replace different connection ring simulating pieces,
Separator or measuring device are unlocked, convenient for reusing, there is general applicability and high usage.
Two, laser displacement gauge and high-speed motion picture camera measurement is respectively adopted using mature measuring device in the present invention, can will
Two groups of data compare, to obtain more accurately test result；
Three, the present invention uses High frequency photographing measurement, carries out checking analysis convenient for the later period, precision reaches Millisecond, Ke Yiguan
Measure the deformation of separation nut screw rod extraction process and connection ring simulating piece.
Four, from the actual angle of engineering, test method of the invention is flexible, big for whole star separation test
Difficulty is reduced greatly, there is relatively strong operability.
Five, the present invention is targetedly unlocked the working performance test of separation product, and emphasis is to asynchronous unlock
Influence of the condition to bay section separation attitude is studied.
Six, the invention proposes a kind of for the ground experiment for unlocking separator working performance under asynchronous unlocking condition
Method, working performance when working independently for unlock separator, unlocks the working performance of separator assembly entirety, with
And the deformation of parting surface and the influence to bay section separation attitude are studied under asynchronous unlocking condition, for verifying solution
Discretely face test method provides foundation to lock.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is test tool top view of the present invention；
Fig. 2 is present invention unlock separator layout；
Fig. 3 is that connection ring of the present invention is laid out sectional view；
Fig. 4 is test tool seperated schematic diagram of the present invention.
Specific embodiment
Elaborate below to the embodiment of the present invention: the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given.It should be pointed out that those skilled in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
The ground experiment method that point type separates between spacecraft bay section of the present invention uses connection ring simulating piece 1, bay section simulating piece
2, high-speed photography target 3, laser displacement gauge 4, counterweight 5, air bearing foot pad 6, pneumatic separation nut 7, electromagnet 8, spring push-rod 9,
Plug 10 is separated, bay section separation air bearing test platform has been built, has not tested unlock separator respectively in synchronizing unlocking and not
In the case of synchronizing unlocking, the disengaging movement speed and change in displacement situation of bay section quality simulating part.
Please refer to Fig. 1 to Fig. 4.The ground experiment method that point type separates between spacecraft bay section of the present invention includes following step
It is rapid:
Step 1: debugging air bearing test platform first, assembling test tooling are adjusted high by the threaded connection of air bearing foot pad
Degree maintains the levelness of bay section simulating piece, influences the disturbing factor of bay section simulating piece separate condition to reduce test process.It is described
The quantity of air bearing foot pad is eight groups, is mounted with four groups of air bearing foots pad respectively on two parts bay section simulating piece, passes through air bearing foot pad two
The threaded connection of a part adjusts height, maintains the levelness of bay section simulating piece；Use two air compressor machines as gas source, respectively band
Four groups of air bearing foots pad are moved, can satisfy the atmospheric pressure value work that four tunnel gas circuits are maintained at 0.5MPa when stablizing.The bay section simulating piece
Add the total weight of counterweight according to star cabin quality Scaling.
Step 2: being unlocked using electromagnet, installs same size spring push-rod, is not installed and is carried out under conditions of breakaway plug
Release separation test；Separation is powered off simultaneously with relay control both sides electromagnet, measures bay section simulating piece under the conditions of synchronizing unlocking
Separating rate, convenient for asynchronous unlock test compare；
Step 3: electromagnet powers off separation simultaneously, records the displacement changing curve of target, and target position is as shown in Figure 1；
Step 4: the unlocked times such as setting 10ms, 100ms are poor, unlock the electromagnet of second end K2 first, observe different solutions
Influence of the time difference to bay section simulating piece separate condition is locked, the displacement changing curve of target is recorded；
Step 5: installation breakaway plug repeats step 2, measures the displacement changing curve of target under the conditions of synchronizing unlocking；
Step 6: the unlocked times such as setting 100ms are poor, unlock the electromagnet of second end K2 first, measure asynchronous unlock
Under the conditions of target displacement changing curve；
Step 7: the unlocked times such as setting 100ms are poor, unlock the electromagnet of first end K1 first, measure asynchronous unlock
Under the conditions of target displacement changing curve；
Step 8: in one end of installation breakaway plug using initial compression force is big, the lesser spring push-rod of spring rate, weight
Again Step 5: Step 6: step 7, measures the displacement changing curve of target；
Step 9: removing the electromagnet at both ends, using pneumatic separation nut as tripper, repeats step 5, measures
The displacement changing curve of target under the conditions of synchronizing unlocking；Electromagnet and separation nut, separation dress is respectively adopted in the tripper
It sets using spring push-rod, in order to corresponding with state on star, is mounted with separation plug in one end of bay section simulating piece；Using electromagnetism
It is poor by relay setting unlocked time when iron unlocks, under default situations be set for first end K1 delay time, make second end K2
First unlock.
Step 10: installing the spring push-rod of same size, repeats step 9；
Step 11: removing breakaway plug, repeats step 9；
Step 12: first inflating for second end K2 separation nut and unlock, and measures the change in displacement song of target after the unlock of one end
Line；It is to be exercised that for the inflation unlock of first end K1 separation nut, can observation separation nut smoothly be extracted out when reaching stable state,
And the displacement changing curve of target at this time.High-speed motion picture camera is hung on top by the step 12, for entire solution of taking a crane shot
Separation process is locked, patch test target and scale on bay section connection ring partial simulation part, setting camera shooting frequency is 1000 frames/second,
That is 1ms records one group of data.Movement of four targets relative to respective initial position can be directly obtained by high-speed motion picture camera
The variation of the distance between speed and two opposite targets can get the maximum between connection ring by Data Analysis Services
Open distance, the motion excursion angle of quality simulating part, the parameters such as separating rate of X, Y-axis both direction.
Installation interface on connection ring simulating piece and the distribution for unlocking separator, and are consistent, bay section mould on star
Quasi- part adds the total weight of counterweight by star cabin gross mass Scaling.
The present invention uses eight groups of air bearing foots pad, is symmetrically arranged on bay section simulating piece, uses two air compressor machines as gas source,
It can satisfy the operating air pressure that four tunnel gas circuits are maintained at 0.5MPa when stablizing.
The present invention uses four groups of laser displacement gauges, and range is 300mm, is respectively placed in two connection ring simulating pieces two
Two aluminium flakes are respectively pasted as target in end on the corresponding position at connection ring simulating piece both ends, and laser displacement gauge is using staggered
Mode is placed in connection ring simulating piece both sides, and disengaging movement process is avoided to collide.
High-speed motion picture camera hangs on top, and setting camera shooting frequency is 1000 frames/second, and for taking a crane shot, entire unlock was separated
Journey records the change in displacement between every 1ms target.
Electromagnet and separation nut is respectively adopted as tripper, is arranged when being unlocked using electromagnet by relay and is solved
The time difference is locked, influence of the asynchronous unlocking condition to bay section separation attitude can be tested；Analog star when being unlocked using separation nut
On unlocked state.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (7)
1. a kind of ground experiment method that point type separates between spacecraft bay section, which is characterized in that point type between the spacecraft bay section
Isolated ground experiment method the following steps are included:
Step 1: debugging air bearing test platform first, assembling test tooling adjust height by the threaded connection of air bearing foot pad,
Maintain the levelness of bay section simulating piece；
Step 2: being unlocked using electromagnet, installs same size spring push-rod, is not installed and is unlocked under conditions of breakaway plug
Separation test；Separation is powered off simultaneously with relay control both sides electromagnet, measures point of bay section simulating piece under the conditions of synchronizing unlocking
From speed, convenient for being compared with asynchronous unlock test；
Step 3: electromagnet powers off separation simultaneously, records the displacement changing curve of target；
Step 4: setting unlocked time is poor, unlocks the electromagnet of second end first, observes different unlocked time differences and simulates to bay section
The influence of part separate condition records the displacement changing curve of target；
Step 5: installation breakaway plug repeats to power off separating step simultaneously with relay control both sides electromagnet in step 2,
Measure the displacement changing curve of target under the conditions of synchronizing unlocking；
Step 6: setting unlocked time is poor, unlocks the electromagnet of second end first, measures the position of target under asynchronous unlocking condition
Move change curve；
Step 7: setting unlocked time is poor, unlocks the electromagnet of first end first, measures the position of target under asynchronous unlocking condition
Move change curve；
Step 8: in one end of installation breakaway plug, using initial compression force, big, the lesser spring push-rod of spring rate, repetition are walked
Rapid five, Step 6: step 7, measures the displacement changing curve of target；
Step 9: removing the electromagnet at both ends, using pneumatic separation nut as tripper, repeats step 5, measures synchronization
The displacement changing curve of target under unlocking condition；
Step 10: installing the spring push-rod of same size, repeats step 9；
Step 11: removing breakaway plug, repeats step 9；
Step 12: first inflating for second end separation nut and unlock, and measures the displacement changing curve of target after the unlock of one end；It is to be shipped
Dynamic when reaching stable state, for the inflation unlock of first end separation nut, can observation separation nut smoothly be extracted out, and target at this time
Target displacement changing curve.
2. the ground experiment method that point type separates between spacecraft bay section according to claim 1, which is characterized in that the examination
Testing tooling is assembly type test tool.
3. the ground experiment method that point type separates between spacecraft bay section according to claim 1, which is characterized in that the solution
Electromagnet and separation nut is respectively adopted in locking device, and separator uses spring push-rod, in order to corresponding with state on star, in bay section
One end of simulating piece is mounted with separation plug；It is poor by relay setting unlocked time when being unlocked using electromagnet, default feelings
Under condition be set for first end delay time, unlock second end first.
4. the ground experiment method that point type separates between spacecraft bay section according to claim 1, which is characterized in that the gas
The quantity of free foot pad is eight groups, is mounted with four groups of air bearing foots pad respectively on two parts bay section simulating piece, passes through air bearing foot pad two
Partial threaded connection adjusts height, maintains the levelness of bay section simulating piece；Use two air compressor machines as gas source, drives respectively
Four groups of air bearing foots pad meet the atmospheric pressure value work that four tunnel gas circuits are maintained at 0.5MPa when stablizing.
5. the ground experiment method that point type separates between spacecraft bay section according to claim 1, which is characterized in that the cabin
Section simulating piece adds the total weight of counterweight according to star cabin quality Scaling.
6. the ground experiment method that point type separates between spacecraft bay section according to claim 1, which is characterized in that the step
High-speed motion picture camera is hung on top by rapid 12, for entire unlock separation process of taking a crane shot, in bay section connection ring partial simulation part
Upper patch test target and scale, setting camera shooting frequency is 1000 frames/second；Four targets can be directly obtained by high-speed motion picture camera
Relative to the variation of the distance between opposite target of the movement velocity of respective initial position and two, by Data Analysis Services,
Obtain the maximum opening distance between connection ring, the motion excursion angle of quality simulating part, the separating rate of X, Y-axis both direction
Etc. parameters.
7. the ground experiment method that point type separates between spacecraft bay section according to claim 1, which is characterized in that the boat
The ground experiment method that point type separates between its device bay section uses four groups of laser displacement gauges, and range is 300mm, is respectively placed in two
Two aluminium flakes are respectively pasted as target, laser in a connection ring simulating piece both ends on the corresponding position at connection ring simulating piece both ends
Displacement meter is placed in connection ring simulating piece both sides using staggered mode, and disengaging movement process is avoided to collide.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910093A (en) * | 2018-06-15 | 2018-11-30 | 上海卫星工程研究所 | A kind of separate type monitoring camera surface separation experimental rig |
| CN109335029B (en) * | 2018-09-30 | 2020-08-07 | 哈尔滨工业大学 | Air-floating type aircraft on-orbit separation ground simulation and test device |
| CN109319175A (en) * | 2018-11-30 | 2019-02-12 | 上海航天精密机械研究所 | Test macro and method applied to aerospace product disengaging movement track |
| CN110010324B (en) * | 2019-04-02 | 2023-08-22 | 南京理工大学 | Double-electromagnet parallel locking device and working method thereof |
| CN111022219B (en) * | 2019-10-30 | 2020-11-20 | 北京动力机械研究所 | Ground test simulation device and method for separation device |
| CN111498152A (en) * | 2020-04-09 | 2020-08-07 | 北京吾天科技有限公司 | Air flotation two-time test method for simulating five-degree-of-freedom motion of isolate |
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| US20020164204A1 (en) * | 1999-08-17 | 2002-11-07 | Mark Kaszubowski | Universal spacecraft separation node |
| JP2011213313A (en) * | 2010-04-02 | 2011-10-27 | Mitsubishi Electric Corp | Spacecraft motion simulator |
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