CN108516111A - A kind of electromagnetic confinement formula separation actuator and its manufacturing method - Google Patents
A kind of electromagnetic confinement formula separation actuator and its manufacturing method Download PDFInfo
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- CN108516111A CN108516111A CN201810383644.1A CN201810383644A CN108516111A CN 108516111 A CN108516111 A CN 108516111A CN 201810383644 A CN201810383644 A CN 201810383644A CN 108516111 A CN108516111 A CN 108516111A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/645—Separators
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Abstract
A kind of electromagnetic confinement formula separation actuator and its manufacturing method, belong to Actuator technique field.The present invention includes ontology, transfer bar mechanism, steel ball, driving spring, distribution, pressure spiral shell, presses spiral shell, electromagnetism pin removal greatly.Electromagnetism pin removal, two steel balls, transfer bar mechanism, two steel balls and distribution are sequentially distributed on ontology from side to the other side.After the energization of electromagnetism pin removal is pulled out back, the locking to distribution is released, driving spring drives sales promotion campaign, realizes actuator function.Transfer bar mechanism carries out effective attenuation when the driving force of spring will be driven to be transmitted to electromagnetism pin removal, and the frictional force being subject to when electromagnetism pin removal being made to move is substantially reduced.The present invention has many advantages, such as that driving force is big, stroke is big, simple in structure, at low cost.The present invention also uses Seal Design, and inner body is metal, has the advantages that service life is high.
Description
Technical field
The invention belongs to Actuator technique field, more particularly to a kind of electromagnetic confinement formula separation actuator and its manufacturer
Method has many advantages, such as that driving force is big, stroke is big, simple in structure, at low cost.
Background technology
With the fast development of aeronautical and space technology, spatial operation task tends to diversification and complicates, more and more
Spacecraft needs to complete On-orbit release and separation, such as satellite and the rocket separation, inter-satellite separation, the release of special payload etc..Space
Isolation technics has become the research hotspot of aerospace field, is directly related to the completion of follow-up space tasks.
The actuator in spacecraft for separation is divided according to its type of drive at present, predominantly electromagnetism and gunpowder.Electromagnetism drives
Dynamic separation actuator is mainly made of armature, yoke, solenoid component, spring, pin etc., after being mainly powered using solenoid component
Magnetic field is generated, so that armature, yoke that soft magnetic materials makes is magnetized, the magnetic force of armature and yoke overcomes spring resistance, armature motion
Drive pin movement, the structure there is driving forces it is small, stroke is small the problems such as, it is difficult to meet the occasion that driving force is big, stroke is big.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of electromagnetic confinement formula separation actuator,
The separation actuator is different by selecting using transfer bar mechanism as damping mechanism using electromagnetism pin removal as constraint mechanism
The driving spring of parameter can meet the different power outputs requirement of separation actuator, and the present invention is big with driving force, stroke is big, structure
Simply, the advantages that at low cost.
The present invention a kind of electromagnetic confinement formula detach actuator, including ontology, transfer bar mechanism, steel ball, driving spring, distribution,
Press spiral shell, big pressure spiral shell and electromagnetism pin removal, it is characterised in that：
Ontology is a stair-stepping cube structure, and material is intensity and the preferable 35CrMnSiA of hardness, body interior
With ladder big hole and ladder small sircle hole, the side wall of ladder big hole and ladder small sircle hole is smooth, roughness 0.4, ladder
Electromagnetism pin removal and pressure spiral shell are placed in small sircle hole, and driving spring is placed in ladder big hole, promotes and presses spiral shell greatly, the side of ontology is also
The through-hole of the other side is extended through there are one having from side, also there is the stepped groove for placing transfer bar mechanism on ontology；
The transfer bar mechanism includes mounting base and N number of push rod, and 2≤N≤7, the mounting base cross section is "U" shaped,
Mounting base bottom is provided with through-hole, and through-hole diameter is more than the diameter of steel ball, and N number of push rod is loaded on the mounting base by axis pin respectively
Between left and right sidewall, N number of putter shape is wedge-shaped cylinder, and N number of push rod all has bottom surface and the work relative to inclined bottom surface
There is chamfering, the first push rod big end to be located at through-hole side, are loaded on by axis pin for face, N number of push rod bottom surface and push rod small end intersection edges
Corresponding with the lead to the hole site in the middle part of the first push rod between the left and right sidewall of the mounting base, the first push rod working face is towards institute
Through-hole is stated, the first push rod bottom surface and the through-bore axis are vertical, and it is another that the second push rod big end with respect to the first push rod big end is located at through-hole
Side, by the way that between left and right sidewall of the axis pin loaded on the mounting base, the second push rod working face and the first push rod small end fall
Angular contact, contact point are located in the middle part of the second push rod between axis pin, and the second push rod bottom surface and the through-bore axis are vertical, remaining
The position relationship of N-2 push rod and so on, the ladder big hole of the through-hole direction installation distribution of the transfer bar mechanism, and push away
The through-hole of linkage and the through-hole of the ontology are coaxial, axis pin and installation bore transition cooperation, the interporal lacuna of axis pin and N number of push rod
Cooperation；
N number of push rod constitutes lever mechanism, according to lever principle, the arm of force ratio L of N number of push rod as transmission mechanism executive item
=L1L2LN, wherein L1 are the arm of force ratio of the first push rod, and value is the contact point of the first push rod and steel ball to first
Push rod is at a distance from the second push rod contact point；L2 is the arm of force ratio of the second push rod, and value is connecing for the second push rod and the first push rod
Contact to the second push rod at a distance from third push rod contact point, remaining and so on, transfer bar mechanism is by previous stage movement load
When being transmitted to next stage, the movement load that next stage is subject to can decay to the 1/L of upper level movement load, N number of push rod structure
At the displacement equations multiple of transfer bar mechanism can be determined using trajectory tangential method by geometric construction；
The trajectory tangential method is both that, since each push rod is rigid member, previous push rod is around axis pin rotary motion
When, push subsequent push rod around respective axis pin rotary motion successively, and the contact point of previous push rod and the latter push rod is rear
It is moved on the working face of one push rod, is based on this, the movement locus of N number of push rod can be obtained by the geometry technique of painting；
The distribution is made of big cylinder, cylinder and small column, and the side wall of the big cylinder, cylinder and small column is smooth,
Roughness is 0.4, and the material of distribution is intensity and the preferable 35CrMnSiA of hardness, and big cylinder circumferentially has big groove, cylinder
End has little groove, and the depth of the big groove is 1.5mm~2mm, and the upper and lower ends of big groove have inclined-plane, two inclined-planes
70 °~85 ° of the angle of composition, the angle on two inclined-planes is identical, the inclined-plane of big groove upper and lower ends and big cylindrical side transition
Position height 3mm~3.5mm, and the position rounded corner R0.5 of transition also have in distribution threaded hole, threaded hole outer for connecting
Portion's driven device；
The electromagnetism pin removal by armature, yoke, resetting spring, solenoid component, form every magnetic patch, flux sleeve and shell,
Wherein armature, yoke, flux sleeve and shell are electromagnetism iron material, every magnetic patch be non-permeable material, and armature and yoke
Opposite face is inclined-plane, and the angle on inclined-plane is 60 ° along central axes, and after solenoid component is powered, armature and yoke attract each other, armature
Electromagnetic force between yoke overcomes the drag of resetting spring to move, and armature pulls out back, so set, electromagnetism pin removal is in very little
Under stroke, so that it may which to realize the operative constraint to distribution, and due to the presence of transfer bar mechanism, electromagnetism pin removal is with the driving of very little
Power can drive.
Usually, electromagnetism pin removal locking steel ball and transfer bar mechanism, distribution are constrained on reset condition, when electromagnetism pin removal is logical
After electricity, armature overcomes drag and steel ball the rubbing to the frictional force and armature of armature and the ladder small sircle hole of ontology of resetting spring
It wipes power to move downward, armature releases the locking to steel ball and transfer bar mechanism, promotes at this point, the driving spring in compressive state pushes
Movement, the decline of pressure that transfer bar mechanism can will drive spring to be transmitted to electromagnetism pin removal so that electromagnetism pin removal is in smaller driving
It can reliably working under power.
Further, the depth dimensions range phase of 1/6~1/3 size of the steel ball size and the big groove of distribution
Together, and the size in steel ball insertion big groove is 0.6mm~1mm.So set, being because electromagnetic confinement formula separation actuator exists
In use, it would generally be subjected to violent vibration environment, since the driving force of driving spring is big, under vibration, steel ball and distribution
The position of contact usually will appear impression or pit.If the dogging beam of steel ball is too small, it is possible to will appear steel ball and can't lock distribution
The case where, if the dogging beam of steel ball is too big, sometimes also will appear steel ball cannot reliably release to promoting the case where locking.Pass through
It is 300m/s to carry out overload quantity to 10 hair increments2, duration 3s analog vibration experiment, steel ball insertion promote big groove in
Dogging beam when being 0.6mm~1mm, steel ball is best, reliability to the locking of distribution and the functional reliability to unlock
It is 100%.When dogging beam is 0.5mm, occur the case where 1 hair accidental action in vibration processes, when dogging beam is 1.1mm,
, there is the case where 1 hair does not act in function reliability experiment after vibration.With the increase of dogging beam, response time when effect
It is corresponding to extend, it is contemplated that assembly and mismachining tolerance, dogging beam select 0.6mm~1mm.
Further, gasket and small pressure spiral shell are also installed in the both sides through-hole end face of the ontology, are put in the little groove of distribution
When setting sealing ring, pressure spiral shell and big pressure spiral shell installation, flank applies fluid sealant.
Further, a kind of electromagnetic confinement formula separation actuator is manufactured to include the following steps：
(a) transfer bar mechanism is first installed on the body, there is the mounting base of transfer bar mechanism one end of through-hole to be directed toward installation driving
The side of spring；
(b) two steel balls of installation electromagnetism pin removal side, while locking two steel balls and transfer bar mechanism, lock pin with lock pin
One end there is the screw thread to match with the threaded hole at the through-hole both ends of ontology, and distance x of the lock pin other end apart from steel ball with
There is on transfer bar mechanism between N number of push rod following relationship：
A ＜ x≤b
Wherein a be distance of N number of push rod in reset condition, b be N number of push rod when by external force, according to trajectory tangential
Method, N number of push rod are distance when will be disengaged from contacting with each other；
(c) on ontology will there is the side of lock pin to place downwards in step (b), the setting of step (b) ensures steel ball and pushes away
When being moved to lock pin direction, the sequence of push rod will not be upset the push rod of linkage, can reform into the state of step (b).
Two steel balls are installed from another side through hole of ontology, ontology is pointed up according to the circular hole of installation driving spring and is placed, together
When should keep installation two steel balls also in the through-hole of ontology；
(d) driving spring, distribution and sealing ring are installed together, are compressed in place with forcing press, is driven due to being placed on ontology
The circular hole of dynamic spring, distribution and sealing ring is stepped hole, can guarantee that distribution is pressed in the central axes of groove and the through-hole of ontology
Axis overlaps, another lock pin is installed in the other side of through-hole, this lock pin is embedded into the groove of distribution, and embedded quantity is more than 1mm,
After this lock pin is installed in place, forcing press is removed；
(e) lock pin of electromagnetism pin removal side is pointed up, then removes the lock pin of electromagnetism pin removal side, installed
Electromagnetism pin removal and pressure spiral shell, finally remove the lock pin of the other side, gasket and small pressure spiral shell are installed respectively at the through-hole both ends of ontology.
Beneficial effects of the present invention are embodied in：
A) use electromagnetism pin removal as constraint mechanism, electromagnetism pin removal can be realized with the stroke of very little to big
The constraint of the distribution of stroke, the armature of electromagnetism pin removal and the opposite face of yoke are set as inclined-plane, effectively increase the face that contacts with each other,
Improve electromagnetic attraction；
B) transfer bar mechanism is set, when the driving force of spring can will be driven to be transmitted to electromagnetism pin removal, carry out effective attenuation, from
And electromagnetism pin removal can reliably be driven with the driving force of very little；
C) it uses steel ball as transmission mechanism, further decreases friction factor, while the work for improving entire mechanism can
By property.
Description of the drawings
Fig. 1 is that electromagnetic confinement formula of the present invention detaches actuator original state structural schematic diagram；
Fig. 2 is the original state structural schematic diagram that electromagnetic confinement formula of the present invention detaches actuator (being free of ontology)；
Fig. 3 is that electromagnetic confinement formula of the present invention detaches actuator work status architecture schematic diagram in place；
Fig. 4 is the body construction schematic diagram that electromagnetic confinement formula of the present invention detaches actuator；
Fig. 5 is the transfer bar mechanism structural schematic diagram that electromagnetic confinement formula of the present invention detaches actuator；
Fig. 6 is the distribution structural schematic diagram that electromagnetic confinement formula of the present invention detaches actuator；
Fig. 7 is the electromagnetism pin removal reset condition structural schematic diagram in electromagnetic confinement formula of the present invention separation actuator；
Fig. 8 detaches the status architecture schematic diagram in place of the electromagnetism pin removal in actuator for electromagnetic confinement formula of the present invention；
Fig. 9 is the detent configuration schematic diagram in electromagnetic confinement formula of the present invention separation actuator.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing and specific implementation
Example, invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.In addition, technical characteristic involved in the various embodiments of the present invention described below
It can be combined with each other as long as they do not conflict with each other.
A kind of electromagnetic confinement formula of the present invention detaches actuator better embodiment, structure and component relationship such as Fig. 1 and Fig. 2
It is shown, including：Ontology 1, steel ball 3, driving spring 4, promotes 5, pressure spiral shell 7, big pressure spiral shell 8 and electromagnetism pin removal 11 at transfer bar mechanism 2,
It is characterized in that：
Ontology 1 is as shown in figure 4, be a stair-stepping cube structure, material is that intensity and hardness are preferable
35CrMnSiA, 1 inside of ontology have ladder big hole 1-1 and ladder small sircle hole 1-2, ladder big hole 1-1 and ladder small sircle hole
The side wall of 1-2 is smooth, roughness 0.4, and electromagnetism pin removal 11 and pressure spiral shell 7, ladder big hole 1- are placed in ladder small sircle hole 1-2
Place driving spring 4 in 1, promote 5 and big pressure spiral shell 8, the side of ontology 1 also have there are one the through-hole 1- of the other side is extended through from side
3, also there is on ontology 1 the stepped groove 1-4 for placing transfer bar mechanism 2；
The transfer bar mechanism 2 as shown in figure 5, including I 2-1 of mounting base 2-5 and push rod, II 2-2 of push rod, III 2-3 of push rod,
The cross sections the mounting base 2-5 are "U" shaped, and the bottoms mounting base 2-5 are provided with through-hole, and through-hole diameter is more than the diameter of steel ball 3, pushes away
I 2-1 of bar, II 2-2 of push rod and III 2-3 of push rod are respectively by between left and right sidewalls of the axis pin 2-4 loaded on the mounting base 2-5, pushing away
The shape of III 2-3 of I 2-1 of bar, II 2-2 of push rod and push rod is wedge-shaped cylinder, and I 2-1 of push rod, push rod II 2-2 and III 2-3 of push rod are equal
Working face with bottom surface and relative to inclined bottom surface, I 2-1 of push rod, II 2-2 of push rod and III bottom surfaces 2-3 of push rod and push rod small end
There is intersection edges chamfering, III 2-3 big ends of push rod to be located at through-hole side, and the left and right sides of the mounting base 2-5 is loaded on by axis pin 2-4
Corresponding with the lead to the hole site in the middle part of push rod III 2-3 between wall, III 2-3 working faces of push rod are towards the through-hole, III 2-3 of push rod
Bottom surface and the through-bore axis are vertical, and II 2-2 big ends of push rod are located at the through-hole other side with respect to III 2-3 big ends of push rod, pass through axis pin
Between left and right sidewalls of the 2-4 loaded on the mounting base 2-5, II 2-2 working faces of push rod and the small chamfers of III 2-3 of the push rod connect
It touches, contact point is located in the middle part of II 2-2 of push rod between axis pin 2-4, and II bottom surfaces 2-2 of push rod and the through-bore axis are vertical, push rod I
2-1 big ends are located at the through-hole other side with respect to II 2-2 big ends of push rod, and the left and right sidewall of the mounting base 2-5 is loaded on by axis pin 2-4
Between, II 2-2 small end chamfer contacts of I 2-1 working faces of push rod and the push rod, contact point is located in the middle part of I 2-1 of push rod and axis pin 2-
Between 4, I bottom surfaces 2-1 of push rod and the through-bore axis are vertical, and the ladder of through-hole towards the installation distribution 5 of the transfer bar mechanism 2 is big
Circular hole 1-1, and the through-hole of transfer bar mechanism 2 and the through-hole 1-3 of the ontology 1 are coaxial, axis pin 2-4 and mounting base 2-5 hole transition is matched
It closes, the interporal lacuna of axis pin 2-4 and III 2-3 of I 2-1 of push rod, II 2-2 of push rod and push rod coordinates；
I 2-1 of push rod, II 2-2 of push rod and III 2-3 of push rod constitute lever mechanism, according to lever as transmission mechanism executive item
Principle, the arm of force ratio L=L1L2L3, wherein L1 of III 2-3 of I 2-1 of push rod, II 2-2 of push rod and push rod are the power of III 2-3 of push rod
Arm ratio, value are III 2-3 of push rod at a distance from the contact point to III 2-3 of push rod and II 2-2 contact points of push rod of steel ball 3；L2 is to push away
The arm of force ratio of II 2-2 of bar, the contact point that value is II 2-2 of push rod and III 2-3 of push rod to II 2-2 of push rod and I 2-1 contact points of push rod
Distance, L3 is the arm of force ratio of I 2-1 of push rod, and value is the contact point of I 2-1 of push rod and II 2-2 of push rod to I 2-1 of push rod and the side
The distance of 3 contact point of steel ball, transfer bar mechanism 2 by previous stage movement load when being transmitted to next stage, movement that next stage is subject to
Load can decay to the 1/L of upper level movement load, the push rod machine that I 2-1 of the push rod, II 2-2 of push rod and III 2-3 of push rod are constituted
The displacement equations multiple of structure 2 can be determined by geometric construction using trajectory tangential method；
It is described to promote 5 as shown in fig. 6, be made of big cylinder 5-1, cylinder 5-2 and small column 5-3, the big cylinder 5-1,
The side wall of cylinder 5-2 and small column 5-3 are smooth, roughness 0.4, and the material for promoting 5 is that intensity and hardness are preferable
Circumferentially there is big groove 5-4, the ends cylinder 5-2 to have little groove 5-5, the big groove 5-4 by 35CrMnSiA, big cylinder 5-1
Depth be 1.5mm, the upper and lower ends of big groove 5-4 have inclined-plane, 80 ° of the angle of two inclined-planes composition, the angle on two inclined-planes
Spend identical, the inclined-plane of big groove 5-4 upper and lower ends and the position height 3.5mm of big cylinder 5-1 side transition, and the position of transition
Rounded corner R0.5, promoting also has threaded hole 5-6 on 5, threaded hole 5-6 is for connecting external driven device；
The electromagnetism pin removal 11 is as shown in fig. 7, by armature 11-1, yoke 11-2, resetting spring 11-3, solenoid component
11-4, it is formed every magnetic patch 11-5, flux sleeve 11-6 and shell 11-7, wherein armature 11-1, yoke 11-2, flux sleeve 11-6 and shell
Body 11-7 is electromagnetism iron material, is non-permeable material every magnetic patch 11-5, and the opposite face of armature 11-1 and yoke 11-2 are
Inclined-plane, the angle on inclined-plane are 60 ° along central axes, and after solenoid component 11-4 is powered, armature 11-1 and yoke 11-2 attract each other,
Electromagnetic force between armature 11-1 and yoke 11-2 overcomes the drag of resetting spring 11-3 to move, and armature 11-1 is pulled out back, and electromagnetism pulls out
The state sold after the movement in place of device 11 is as shown in Figure 8；
Further, 1/6 size of 3 diameter of the steel ball is identical as the depth dimensions of big groove 5-4 for promoting 5, and
It is 0.6mm that steel ball 3, which is embedded in the size in big groove 5-4,.
Further, gasket 10 and small pressure spiral shell 9 are also installed in two end faces side through hole 1-3 of the ontology 1, promote 5 it is small
Sealing ring 6 is placed in groove 5-5, when pressure spiral shell 7 and big pressure spiral shell 8 are installed, flank applies fluid sealant.
A kind of electromagnetic confinement formula of manufacture as described in the embodiment detaches actuator, includes the following steps：
(a) transfer bar mechanism 2 is first installed on ontology 1, there is the mounting base 2-5 of transfer bar mechanism 2 one end of through-hole to be directed toward peace
The side of dress driving spring 4；
(b) two steel balls 3 of 11 side of installation electromagnetism pin removal, while locking two steel with lock pin 12 as shown in Figure 9
Ball 3 and transfer bar mechanism 2, one end of lock pin 12 has the screw thread that the threaded hole with the both ends through-hole 1-3 of ontology 1 matches, and locks
Have between I 2-1 of distance x of 12 other end of pin apart from steel ball 3 and 2 upper push-rod of transfer bar mechanism, III 2-3 of II 2-2 of push rod and push rod
Following relationship：
A ＜ x≤b
Wherein a is the distance of I 2-1 of push rod, II 2-2 of push rod and III 2-3 of push rod in reset condition, and b is I 2-1 of push rod, pushes away
II 2-2 of bar and III 2-3 of push rod are when by external force, and according to trajectory tangential method, I 2-1 of push rod, II 2-2 of push rod and III 2-3 of push rod are
Distance when will be disengaged from contacting with each other；
(c) side with lock pin 12 on ontology in step (b) 1 is placed downwards, the setting of step (b) ensures steel ball 3
And the push rod of transfer bar mechanism 2, when being moved to 12 direction of lock pin, the sequence of push rod will not be upset, and step (b) can be reformed into
State.Two steel balls 3 are installed from another side through hole 1-3 of ontology 1, ontology 1 is directed toward according to the circular hole of installation driving spring 4
Fang Jinhang is placed, while two steel balls 3 of installation should be kept also in the through-hole 1-3 of ontology 1；
(d) driving spring 4, distribution 5 and sealing ring 6 are installed together, are compressed in place, due to being put on ontology 1 with forcing press
The circular hole for setting driving spring 4, distribution 5 and sealing ring 6 is stepped hole, can guarantee and promotes 5 central axes and the ontologies for being pressed to groove 5-4
The central axes of 1 through-hole 1-3 overlap, and install another lock pin 12 in the other side of through-hole 1-3, this lock pin 12 is embedded into distribution 5
Groove 5-4 in, embedded quantity removes forcing press more than 1mm after this lock pin 12 is installed in place；
(e) lock pin 12 of 11 side of electromagnetism pin removal is pointed up, then by the lock pin 12 of 11 side of electromagnetism pin removal
It removes, installation electromagnetism pin removal 11 and pressure spiral shell 7 finally remove the lock pin 12 of the other side, distinguish at the both ends through-hole 1-3 of ontology 1
Gasket 10 and small pressure spiral shell 9 are installed.
Working principle of the present invention is as follows：
Usually, electromagnetism pin removal 11 locks steel ball 3 and transfer bar mechanism 2, promotes 5 and is constrained on original shape as shown in Figure 1
State, after electromagnetism pin removal 11 is powered, armature 11-1 overcomes the drag of resetting spring 11-3 and steel ball 3 to rub armature 11-1
It wipes power and armature 11-1 and the frictional force of the ladder small sircle hole 1-2 of ontology 1 moves downward, armature 11-1 is released to steel ball 3 and pushed away
The locking of linkage 2, at this point, the driving spring 4 in compressive state, which pushes, promotes 5 movements, transfer bar mechanism 2 can pass driving spring 4
Be delivered to the decline of pressure of electromagnetism pin removal 11 so that electromagnetism pin removal 11 under smaller driving force can reliably working, electromagnetism
The state that constraint formula detaches after actuator movement in place is as shown in Figure 3.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of electromagnetic confinement formula detaches actuator, including ontology (1), transfer bar mechanism (2), steel ball (3), driving spring (4), distribution
(5), pressure spiral shell (7), greatly pressure spiral shell (8) and electromagnetism pin removal (11), it is characterised in that：
Ontology (1) is a stair-stepping cube structure, and material is intensity and the preferable 35CrMnSiA of hardness, and ontology (1) is interior
Portion has ladder big hole (1-1) and ladder small sircle hole (1-2), the side wall of ladder big hole (1-1) and ladder small sircle hole (1-2)
Smooth, roughness 0.4, ladder small sircle hole (1-2) is interior to place electromagnetism pin removal (11) and pressure spiral shell (7), ladder big hole (1-1)
Interior placement driving spring (4) promotes (5) and big pressure spiral shell (8), the side of ontology (1) also have there are one from side extend through the other side
Through-hole (1-3), also there is on ontology (1) the stepped groove (1-4) for placing transfer bar mechanism (2)；
The transfer bar mechanism (2) includes mounting base (2-5) and N number of push rod, and 2≤N≤7, mounting base (2-5) cross section is
"U" shaped, the bottom mounting base (2-5) are provided with through-hole, and through-hole diameter is more than the diameter of steel ball (3), and N number of push rod passes through axis pin respectively
Between the left and right sidewall of (2-4) loaded on the mounting base (2-5), N number of putter shape is wedge-shaped cylinder, and N number of push rod all has
Bottom surface and working face relative to inclined bottom surface, N number of push rod bottom surface and push rod small end intersection edges have chamfering, the first push rod big end
It positioned at through-hole side, is loaded on by axis pin (2-4) between the left and right sidewall of the mounting base (2-5), the first push rod middle part and institute
Lead to the hole site correspondence is stated, for the first push rod working face towards the through-hole, the first push rod bottom surface and the through-bore axis are vertical, and second
Push rod big end is located at the through-hole other side with respect to the first push rod big end, and the left and right of the mounting base (2-5) is loaded on by axis pin (2-4)
Between side wall, the second push rod working face and the first push rod small end chamfer contact, contact point is located in the middle part of the second push rod and pin
Between axis (2-4), the second push rod bottom surface and the through-bore axis are vertical, the position relationship of remaining N-2 push rod and so on,
The through-hole of the transfer bar mechanism (2) promotes the ladder big hole (1-1) of (5), and the through-hole of transfer bar mechanism (2) and institute towards installation
State the through-hole (1-3) of ontology (1) coaxially, axis pin (2-4) coordinates with the hole mounting base (2-5) transition, axis pin (2-4) and N number of push rod
Interporal lacuna cooperation；
N number of push rod constitutes lever mechanism, according to lever principle, the arm of force ratio L=of N number of push rod as transmission mechanism executive item
L1L2LN, wherein L1 are the arm of force ratio of the first push rod, and value is the contact point of the first push rod and steel ball (3) to first
Push rod is at a distance from the second push rod contact point；L2 is the arm of force ratio of the second push rod, and value is connecing for the second push rod and the first push rod
Contact to the second push rod at a distance from third push rod contact point, remaining and so on, transfer bar mechanism (2) by previous stage move carry
When lotus is transmitted to next stage, the movement load that next stage is subject to can decay to the 1/L of upper level movement load, N number of push rod
The displacement equations multiple of the transfer bar mechanism (2) of composition can be determined by geometric construction using trajectory tangential method；
The distribution (5) is made of big cylinder (5-1), cylinder (5-2) and small column (5-3), the big cylinder (5-1), cylinder
The side wall of (5-2) and small column (5-3) is smooth, roughness 0.4, and the material for promoting (5) is that intensity and hardness are preferable
35CrMnSiA, big cylinder (5-1) circumferentially have big groove (5-4), and the end cylinder (5-2) has little groove (5-5), described
The depth of big groove (5-4) is 1.5mm~2mm, and the upper and lower ends of big groove (5-4) have inclined-plane, the angle of two inclined-planes composition
70 °~85 ° of degree, the angle on two inclined-planes is identical, inclined-plane and big cylinder (5-1) side transition of big groove (5-4) upper and lower ends
Position height 3mm~3.5mm, and the position rounded corner R0.5 of transition, promoting also has threaded hole (5-6), threaded hole on (5)
(5-6) is for connecting external driven device；
The electromagnetism pin removal (11) by armature (11-1), yoke (11-2), resetting spring (11-3), solenoid component (11-4),
It is formed every magnetic patch (11-5), flux sleeve (11-6) and shell (11-7), wherein armature (11-1), yoke (11-2), flux sleeve
(11-6) and shell (11-7) are electromagnetism iron material, every magnetic patch (11-5) be non-permeable material, and armature (11-1) and yoke
The opposite face of iron (11-2) is inclined-plane, and the angle on inclined-plane is 60 ° along central axes, after solenoid component (11-4) is powered, armature
(11-1) and yoke (11-2) attract each other, and the electromagnetic force between armature (11-1) and yoke (11-2) overcomes resetting spring (11-
3) drag movement, armature (11-1) pull out back；
Usually, electromagnetism pin removal (11) locking steel ball (3) and transfer bar mechanism (2) promote (5) and are constrained on reset condition, work as electricity
Magnetic pin removal (11) be powered after, armature (11-1) overcome resetting spring (11-3) drag and steel ball (3) to armature (11-1)
Frictional force and armature (11-1) and the frictional force of the ladder small sircle hole (1-2) of ontology (1) move downward, armature (11-1) releases
Locking to steel ball (3) and transfer bar mechanism (2), at this point, the driving spring (4) in compressive state, which pushes, promotes (5) movement, push rod
The decline of pressure that mechanism (2) can will drive spring (4) to be transmitted to electromagnetism pin removal (11) so that electromagnetism pin removal (11) is smaller
It can reliably working under driving force.
2. a kind of electromagnetic confinement formula as described in claim 1 detaches actuator, it is characterised in that：
1/6~1/3 size of steel ball (3) diameter is identical as the depth dimensions range of big groove (5-4) of distribution (5),
And the size in the embedded big groove (5-4) of steel ball (3) is 0.6mm~1mm.
3. a kind of electromagnetic confinement formula as described in claim 1 detaches actuator, it is characterised in that：
Gasket (10) and small pressure spiral shell (9) are also installed in end face two side through hole (1-3) of the ontology (1), promote the little groove of (5)
Sealing ring (6) is placed in (5-5), when pressure spiral shell (7) and big pressure spiral shell (8) are installed, flank applies fluid sealant.
4. manufacturing a kind of electromagnetic confinement formula as described in claim 1 or 3 detaches actuator, which is characterized in that including following step
Suddenly：
(a) transfer bar mechanism (2) is first installed on ontology (1), there is the mounting base (2-5) of transfer bar mechanism (2) one end of through-hole to refer to
To the side of installation driving spring (4)；
(b) two steel balls (3) of electromagnetism pin removal (11) side are installed, while locking two steel balls (3) with lock pin (12) and pushing away
Linkage (2), one end of lock pin (12) has the screw thread that the threaded hole with both ends through-hole (1-3) of ontology (1) matches, and locks
Selling has following relationship between N number of push rod on distance x of (12) other end apart from steel ball (3) and transfer bar mechanism (2)：
A ＜ x≤b
Wherein a be distance of N number of push rod in reset condition, b be N number of push rod when by external force, according to trajectory tangential method, N
A push rod is distance when will be disengaged from contacting with each other；
(c) side with lock pin (12) on ontology in step (b) (1) is placed downwards, the setting of step (b) ensures steel ball
(3) and the push rod of transfer bar mechanism (2) to lock pin (12) direction when moving, and the sequence of push rod will not be upset, and can reform into
The state of step (b) installs two steel balls (3) from another side through hole (1-3) of ontology (1), and ontology (1) is driven according to installation
The circular hole of spring (4), which points up, to be placed, while two steel balls (3) of installation should be kept also in the through-hole (1- of ontology (1)
3) in；
(d) driving spring (4), distribution (5) and sealing ring (6) are installed together, are compressed in place, due to ontology (1) with forcing press
The upper circular hole placed driving spring (4), promote (5) and sealing ring (6) is stepped hole, can guarantee that distribution (5) is pressed to groove (5-4)
Central axes overlapped with the central axes of the through-hole (1-3) of ontology (1), another lock pin is installed in the other side of through-hole (1-3)
(12), this lock pin (12) is embedded into the groove (5-4) of distribution (5), and embedded quantity is more than 1mm, after this lock pin (12) is installed in place,
Remove forcing press；
(e) lock pin (12) of electromagnetism pin removal (11) side is pointed up, then by the lock pin of electromagnetism pin removal (11) side
(12) it removes, installation electromagnetism pin removal (11) and pressure spiral shell (7) finally remove the lock pin (12) of the other side, the through-hole in ontology (1)
The both ends (1-3) are installed by gasket (10) and small pressure spiral shell (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383644.1A CN108516111A (en) | 2018-04-26 | 2018-04-26 | A kind of electromagnetic confinement formula separation actuator and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383644.1A CN108516111A (en) | 2018-04-26 | 2018-04-26 | A kind of electromagnetic confinement formula separation actuator and its manufacturing method |
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ID=63429165
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| CN201810383644.1A Withdrawn CN108516111A (en) | 2018-04-26 | 2018-04-26 | A kind of electromagnetic confinement formula separation actuator and its manufacturing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284731A (en) * | 2020-01-16 | 2020-06-16 | 清华大学 | Electromagnetic locking and releasing mechanism for separating star from arrow and electromagnetic locking and releasing method |
| CN111422383A (en) * | 2020-03-23 | 2020-07-17 | 北京空天技术研究所 | Dimension structure of separation actuating device |
| CN113415446A (en) * | 2021-07-29 | 2021-09-21 | 深圳市魔方卫星科技有限公司 | Electromagnetic-triggered pressing and releasing device and using method |
| CN115123545A (en) * | 2022-06-27 | 2022-09-30 | 湖北航天飞行器研究所 | Aircraft load releasing mechanism |
-
2018
- 2018-04-26 CN CN201810383644.1A patent/CN108516111A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284731A (en) * | 2020-01-16 | 2020-06-16 | 清华大学 | Electromagnetic locking and releasing mechanism for separating star from arrow and electromagnetic locking and releasing method |
| CN111284731B (en) * | 2020-01-16 | 2020-11-10 | 清华大学 | Electromagnetic locking and releasing mechanism for separating star from arrow and electromagnetic locking and releasing method |
| WO2021143428A1 (en) * | 2020-01-16 | 2021-07-22 | 清华大学 | Electromagnetic locking and releasing mechanism for satellite-rocket separation and electromagnetic locking and releasing method |
| US11597540B2 (en) | 2020-01-16 | 2023-03-07 | Tsinghua University | Electromagnetic lock release mechanism and method for separating satellite from rocket |
| CN111422383A (en) * | 2020-03-23 | 2020-07-17 | 北京空天技术研究所 | Dimension structure of separation actuating device |
| CN113415446A (en) * | 2021-07-29 | 2021-09-21 | 深圳市魔方卫星科技有限公司 | Electromagnetic-triggered pressing and releasing device and using method |
| CN115123545A (en) * | 2022-06-27 | 2022-09-30 | 湖北航天飞行器研究所 | Aircraft load releasing mechanism |
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Application publication date: 20180911 |