CN107719707B - Electric self-unlocking separation nut and spacecraft - Google Patents
Electric self-unlocking separation nut and spacecraft Download PDFInfo
- Publication number
- CN107719707B CN107719707B CN201711052949.6A CN201711052949A CN107719707B CN 107719707 B CN107719707 B CN 107719707B CN 201711052949 A CN201711052949 A CN 201711052949A CN 107719707 B CN107719707 B CN 107719707B
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- unlocking
- nut
- split
- wall
- motor
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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
Abstract
The invention provides an electric self-unlocking separation nut and a spacecraft, which relate to the technical fields of technological fronts such as carrier rocket separation, satellite and rocket separation and the like, wherein the electric self-unlocking separation nut comprises a driving motor, a motor nut, a shell, a plurality of split nuts and a plurality of unlocking balls; an output shaft of the driving motor is fixedly connected with the motor nut, and the output shaft of the driving motor is used for driving the motor nut to axially move along the inner wall of the shell; the split nuts are sequentially abutted and surrounded into a ring shape; each split nut corresponds to at least one unlocking ball; one end of the unlocking ball is abutted with the outer wall of one split nut, and the other end of the unlocking ball is abutted with the inner wall of the motor nut; at least one annular groove for accommodating a plurality of unlocking balls is formed in the inner wall of the motor nut. The electric self-unlocking separation nut is simple in structure, the problem of clamping stagnation in the unlocking process can be solved through the arrangement of the unlocking balls, the separation nut can be unlocked rapidly, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of technological fronts such as carrier rocket separation and satellite rocket separation, in particular to an electric self-unlocking separation nut and a spacecraft.
Background
The separating nut is an axial connection and radial unlocking connection unlocking device and is widely applied to section connection and separation on a spacecraft. The principle of separating the nut is mainly that a complete nut is cut into split pieces, the split piece nut is tightly tied by a collar, and when the split piece nut is separated, the collar and the split piece nut move relatively, the constraint is removed, and the split piece nut is forced to open so as to achieve the unlocking purpose.
At present, separating nuts for carrier rockets and satellites in China are mainly connected with separating nut unlocking devices by a fire machine, and the separating nut unlocking devices can provide very large connecting force and have the advantages of small explosion starting pressure, relatively small separating impact and the like.
However, the split nut in the prior art has a relatively complex structure and is easy to cause the problem that the split nut cannot be unlocked due to clamping stagnation.
Disclosure of Invention
The invention aims to provide an electric self-unlocking separation nut and a spacecraft, so as to solve the technical problems that the structure of the separation nut in the prior art is complex, clamping stagnation is easy to occur, and unlocking cannot be realized.
The invention provides an electric self-unlocking separation nut which comprises a driving motor, a motor nut, a shell, a plurality of split nuts and a plurality of unlocking balls, wherein the driving motor is arranged on the shell; the motor nut, the split nuts and the unlocking balls are arranged in the shell; an output shaft of the driving motor is fixedly connected with the motor nut, and the output shaft of the driving motor is used for driving the motor nut to axially move along the inner wall of the shell; the split nuts are sequentially abutted and surrounded into a ring shape; each split nut corresponds to at least one unlocking ball; one end of the unlocking ball is abutted with the outer wall of one split nut, and the other end of the unlocking ball is abutted with the inner wall of the motor nut; at least one annular groove for accommodating a plurality of unlocking balls is formed in the inner wall of the motor nut; when the motor nut and the split nuts generate relative motion, and the unlocking balls enter the annular grooves, the split nuts are separated.
Further, the electric self-unlocking separation nut also comprises a limiting sleeve; the limiting sleeve is arranged in the shell and is fixedly connected with the shell; the limiting sleeve is sleeved outside the split nuts, and a gap exists between the limiting sleeve and the split nuts; the limiting sleeve is provided with a plurality of through holes for accommodating a plurality of unlocking balls, and the through holes correspond to the unlocking balls one by one.
Further, the through hole comprises a first limit hole and a second limit hole; the first limiting holes are sequentially arranged at intervals along the circumferential direction of the limiting sleeve, the second limiting holes are sequentially arranged at intervals along the circumferential direction of the limiting sleeve, and the first limiting holes and the second limiting holes are arranged at intervals along the axial direction of the limiting sleeve.
Further, the through hole is circular; the inner wall of the through hole is abutted with the outer wall of the unlocking ball.
Further, the electric self-unlocking separation nut further comprises a separation spring; the inner wall of the split nut is provided with a mounting groove, and when the split nuts are sequentially abutted, the mounting grooves are sequentially connected to form a ring shape; the separating spring is arranged in the mounting groove, and the separating spring is annularly arranged along the circumferential direction of the split nut.
Further, a guide groove is formed in the outer wall of each split nut; the guide groove extends along the axial direction of the split nut, and a guide protrusion matched with the guide groove is arranged on the inner wall of the limit sleeve.
Further, the electric self-unlocking separation nut further comprises an upper supporting pad and a lower supporting pad; the upper support pad and the lower support pad are both arranged in the shell and are fixedly connected with the shell; the lower surface of the upper supporting pad is abutted with the upper end surface of the split nut; the upper surface of the lower supporting pad is abutted with the lower end surface of the split nut.
Further, the lower end face of the upper supporting pad and the upper end face of the lower supporting pad are both arranged at an angle with the horizontal plane.
Furthermore, the invention also provides a spacecraft, which comprises the electric self-unlocking separation nut.
When the split nuts are sequentially abutted and surrounded into a ring shape in the use process, two ends of the unlocking ball are respectively abutted with the outer wall of the split nut and the inner wall of the motor nut, so that radial pressure is applied to the split nut, the split nuts are always abutted in sequence, the ring-shaped state is maintained, radial movement between the split nuts and threads of the butt bolts is prevented, and the fixed connection between the split nuts and the butt bolts is realized; when the unlocking is needed, the driving motor rotates, so that the output shaft drives the motor nut to move upwards along the axial direction of the inner wall of the shell; when the motor nut and the split nut move relatively, the annular groove and the unlocking ball are at the same height, and the unlocking ball rolls into the annular groove, so that the constraint force on the split nut is released, and a gap is formed between the split nut and the butt bolt, so that unlocking is completed.
Therefore, the electric self-unlocking separation nut provided by the invention has a simple structure, and the arrangement of the unlocking balls can solve the problem of clamping stagnation in the unlocking process, so that the separation nut is quickly unlocked, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an electric self-unlocking separation nut according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
fig. 3 is a schematic structural view of a stop collar according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the cooperation of the stop collar and the split nut according to the embodiment of the invention;
fig. 5 is a schematic structural view of a split nut according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a motor nut according to an embodiment of the present invention.
Icon: 1-a drive motor; 2-motor nuts; 3-a housing; 4-split nuts; 5-unlocking the ball; 6-an output shaft; 7-an annular groove; 8-a limit sleeve; 9-through holes; 10-separating springs; 11-mounting slots; 12-a guide groove; 13-guiding protrusions; 14-upper support pad; 15-a lower support pad; 16-a first groove; 17-a second groove; 91-a first limiting hole; 92-second limiting hole.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a schematic structural view of an electric self-unlocking separation nut according to an embodiment of the present invention; FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1; as shown in fig. 1 and 2, the electric self-unlocking separation nut provided in the present embodiment includes a driving motor 1, a motor nut 2, a housing 3, a plurality of split nuts 4, and a plurality of unlocking balls 5; the motor nut 2, the split nuts 4 and the unlocking balls 5 are arranged inside the shell 3; an output shaft 6 of the driving motor 1 is fixedly connected with the motor nut 2, and the output shaft 6 of the driving motor 1 is used for driving the motor nut 2 to axially move along the inner wall of the shell 3; the split nuts 4 are sequentially abutted and surrounded into a ring shape; each split nut 4 corresponds to at least one unlocking ball 5; one end of the unlocking ball 5 is abutted with the outer wall of one split nut 4, and the other end is abutted with the inner wall of the motor nut 2; at least one annular groove 7 for accommodating a plurality of unlocking balls 5 is arranged on the inner wall of the motor nut 2; when the motor nut 2 and the split nuts 4 generate relative movement, the split nuts 4 are separated when the unlocking balls 5 enter the annular grooves 7.
Wherein, the driving motor 1 is a stepping motor.
Further, an internal thread is arranged on the inner wall of the split nut 4, and when a plurality of split nuts 4 are sequentially abutted and surrounded to form a ring shape, the internal thread is in threaded fit with the butt bolt.
Further, the motor nut 2 may be screwed with the output shaft 6 of the driving motor 1. When the driving motor 1 rotates forward, the motor nut 2 moves upward in the axial direction of the housing 3; when the drive motor 1 is reversed, the motor nut 2 moves downward in the axial direction of the housing 3.
Further, the unlocking ball 5 is in interference fit with the outer wall of the split nut 4 and the inner wall of the motor nut 2, and when the annular groove 7 and the unlocking ball 5 are at the same height, the unlocking ball 5 can roll into the annular groove 7 rapidly.
Further, when each split nut 4 corresponds to one unlocking ball 5, only one annular groove 7 is required to be arranged on the inner wall of the motor nut 2; when each split nut 4 corresponds to a plurality of unlocking balls 5, a plurality of annular grooves 7 are arranged on the inner wall of the motor nut 2.
Further, a guide rail may be provided on the outer wall of the split nut 4, the guide rail extending in the axial direction of the split nut 4. In use, when the motor nut 2 and the split nuts 4 move relatively, the unlocking balls 5 move along the guide rail and enter the grooves. The arrangement of the guide rail can play a guiding role on the unlocking ball 5, so that the unlocking ball 5 rolls along the direction of the guide rail and enters the annular groove 7 as soon as possible, and no clamping stagnation is generated.
In the use process of the electric self-unlocking separation nut provided by the embodiment, when the split nuts 4 are sequentially abutted and surrounded into a ring shape, two ends of the unlocking ball 5 are respectively abutted with the outer wall of the split nut 4 and the inner wall of the motor nut 2, so that radial pressure is applied to the split nut 4, the split nuts 4 are always abutted in sequence, the ring state is maintained, radial movement between the split nuts 4 and threads of the butt bolts is prevented, and the fixed connection between the separation nuts and the butt bolts is realized; when unlocking is needed, the driving motor 1 rotates, so that the output shaft 6 drives the motor nut 2 to move upwards along the axial direction of the inner wall of the shell 3; when the motor nut 2 and the split nut 4 generate relative motion, the annular groove 7 and the unlocking ball 5 are at the same height, and the unlocking ball 5 rolls into the annular groove 7, so that the restraining force on the split nut 4 is released, and the split nut 4 and the butt bolt generate gaps, so that unlocking is completed.
From the above, the structure of the electric self-unlocking separation nut provided in this embodiment is simple, and the arrangement of the unlocking ball 5 can improve the problem of jamming in the unlocking process, so that the separation nut is unlocked rapidly, and the working efficiency is improved.
Fig. 3 is a schematic structural view of a stop collar according to an embodiment of the present invention; as shown in fig. 2 and 3, further, on the basis of the above embodiment, the electric self-unlocking separation nut further comprises a stop collar 8; the limit sleeve 8 is arranged in the shell 3, and the limit sleeve 8 is fixedly connected with the shell 3; the limiting sleeve 8 is sleeved outside the split nuts 4, and a gap exists between the limiting sleeve 8 and the split nuts 4; the limiting sleeve 8 is provided with a plurality of through holes 9 for accommodating the unlocking balls 5, and the unlocking balls 5 are in one-to-one correspondence with the through holes 9.
Wherein the stop collar 8 should be arranged in a ring shape.
Further, the stop collar 8 may be screwed with the housing 3.
In this embodiment, the electric self-unlocking separation nut further comprises a stop collar 8. In the use, unblock ball 5 wears to establish in through-hole 9, and the both ends of unblock ball 5 respectively with split nut 4's outer wall and motor nut 2's inner wall butt. When the motor nut 2 and the split nut 4 generate relative motion, the unlocking ball 5 rolls in the through hole 9, and when the annular groove 7 moves to the through hole 9, part of the unlocking ball 5 is sunk into the annular groove 7, so that the constraint force on the split nut 4 is released; because a gap exists between the limiting sleeve 8 and the split nut 4, the split nut 4 moves towards the direction close to the limiting sleeve 8 after the constraint force is released, and a gap is generated between the split nut 4 and the bolt, so that unlocking is completed. The setting of stop collar 8 can play spacing effect to unblock ball 5, guarantees that unblock ball 5 can not produce the skew at rolling in-process, and when annular groove 7 moved to through-hole 9 department, unblock ball 5 can get into in the annular groove 7 fast.
In addition, when the driving motor 1 is reversed, the motor nut 2 moves downwards along the axial direction of the inner wall of the housing 3, one end of the unlocking ball 5 in the annular groove 7 is abutted with the inner wall of the motor nut 2, the other end is abutted with the outer wall of the split nut 4, and the split nuts 4 are folded again, so that the device can be reused.
As shown in fig. 3, further, on the basis of the above embodiment, the through hole 9 includes a first limiting hole 91 and a second limiting hole 92; the first limiting holes 91 are sequentially arranged at intervals along the circumferential direction of the limiting sleeve 8, the second limiting holes 92 are sequentially arranged at intervals along the circumferential direction of the limiting sleeve 8, and the first limiting holes 91 and the second limiting holes 92 are sequentially arranged at intervals along the axial direction of the limiting sleeve 8.
According to practical application, the through hole 9 may further include a plurality of rows of limiting holes, such as a plurality of third limiting holes and a plurality of fourth limiting holes.
In the present embodiment, the through hole 9 includes a first limiting hole 91 and a second limiting hole 92. In the use, every first spacing hole 91 and second spacing hole 92 all correspond an unblock ball 5, can increase the constraint power that receives the unblock ball 5 of split nut 4 like this, and the atress is more even to improve electronic self-unlocking separation nut and docking bolt connection's stability.
As shown in fig. 1 and 3, further, on the basis of the above embodiment, the through hole 9 is circular; the inner wall of the through hole 9 is abutted with the outer wall of the unlocking ball 5.
Wherein the size of the through hole 9 is matched with the size of the unlocking ball 5.
In this embodiment, the through hole 9 is circular, so that the effect of limiting can be better played, and the unlocking ball 5 is guaranteed to roll fast and not to be blocked.
Fig. 4 is a schematic structural diagram of the cooperation of the stop collar and the split nut according to the embodiment of the invention; as shown in fig. 2 and 4, further, the electric self-unlocking separation nut further includes a separation spring 10, based on the above embodiment; the inner wall of the split nut 4 is provided with a mounting groove 11, and when the split nuts 4 are in contact in sequence, the mounting grooves 11 are connected in sequence to form a ring; the separation spring 10 is disposed in the mounting groove 11, and the separation spring 10 is disposed annularly in the circumferential direction of the split nut 4.
Wherein a plurality of mounting grooves 11 may be provided along the axial direction of the inner wall of the split nut 4, and the separation spring 10 may be a plurality. This can further increase the radial separation force of the split nut 4.
In this embodiment, the electric self-unlocking separation nut further includes a separation spring 10. In the use process, when the split nut 4 is unlocked, the radial separating force of the split nut 4 can be increased by the separating spring 10, so that the split nuts 4 can be quickly sprung off, and the speed of separating from external threads is increased.
Fig. 5 is a schematic structural view of a split nut according to an embodiment of the present invention; as shown in fig. 3, 4 and 5, further, on the basis of the above embodiment, a guide groove 12 is provided on the outer wall of each split nut 4; the guide groove 12 extends along the axial direction of the split nut 4, and the inner wall of the limit sleeve 8 is provided with a guide protrusion 13 matched with the guide groove 12.
In this embodiment, during the process of installing the split nut 4 into the stop collar 8, the guide protrusion 13 slides in the guide groove 12, which plays a guiding role. In addition, in the use process, the guide bulge 13 and the guide groove 12 can ensure that the split nut 4 does not rotate, and play a limiting role.
Fig. 6 is a schematic structural diagram of a motor nut according to an embodiment of the present invention; as shown in fig. 2 and 6, further, the electric self-unlocking separation nut further includes an upper support pad 14 and a lower support pad 15, based on the above-described embodiment; the upper support pad 14 and the lower support pad 15 are both arranged inside the shell 3 and are both fixedly connected with the shell 3; the lower surface of the upper supporting pad 14 is abutted with the upper end surface of the split nut 4; the upper surface of the lower support pad 15 abuts against the lower end surface of the split nut 4.
Wherein the lower support pad 15 may be screwed with the housing 3.
Further, the stop collar 8 may be fixedly connected to the housing 3 by being fixedly connected to the upper support pad 14 and the lower support pad 15.
Further, a plurality of first grooves 16 for placing damping rings can be arranged on the outer wall of the motor nut 2, and the damping rings can play a role in vibration reduction.
Further, a second groove 17 for placing a sealing ring may be provided on the outer wall of the upper support pad 14.
In this embodiment, the electric self-unlocking separation nut further includes an upper support pad 14 and a lower support pad 15. In the use process, the upper support pad 14 and the lower support pad 15 can limit the movement range of the split nut 4, and play a limiting role.
As shown in fig. 2, further, on the basis of the above embodiment, the lower end surface of the upper support pad 14 and the upper end surface of the lower support pad 15 are both disposed at an angle to the horizontal plane.
The upper end face and the lower end face of the split nut 4 should be matched with the lower end face of the upper support pad 14 and the upper end face of the lower support pad 15, and are arranged at an angle with the horizontal plane.
Further, the split nuts 4 have the same shape, so that the interchangeability of the device can be improved.
In this embodiment, the lower end surface of the upper support pad 14 and the upper end surface of the lower support pad 15 are both disposed at an angle to the horizontal plane. In the use, when split nut 4 separates, separating spring 10 pops open, split nut 4 slides along the lower terminal surface of upper supporting pad 14 and the up end slope of lower supporting pad 15, can prevent like this to produce rotation and shake, effectively reduces the impact when separating, guarantees the reliability.
On the basis of the embodiment, the embodiment of the invention further provides a spacecraft, and the spacecraft comprises the electric self-unlocking separation nut.
Wherein, the spacecraft includes external bolt. The external bolt is in threaded connection with the split nut 4.
In this embodiment, the spacecraft has the same effect as the electric self-unlocking separation nut, and the effect generated by the spacecraft is the same as that of the electric self-unlocking separation nut, and will not be described again.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. An electric self-unlocking split nut, comprising: the device comprises a driving motor, a motor nut, a shell, a plurality of split nuts and a plurality of unlocking balls;
the motor nut, the split nuts and the unlocking balls are arranged in the shell; the output shaft of the driving motor is fixedly connected with the motor nut, and the output shaft of the driving motor is used for driving the motor nut to axially move along the inner wall of the shell;
the split nuts are sequentially abutted and enclosed into a ring shape; each split nut corresponds to at least one unlocking ball; one end of the unlocking ball is abutted with the outer wall of one split nut, and the other end of the unlocking ball is abutted with the inner wall of the motor nut;
at least one annular groove for accommodating a plurality of unlocking balls is formed in the inner wall of the motor nut; when the motor nut and the split nuts generate relative motion, and the unlocking balls enter the annular grooves, the split nuts are separated;
the device also comprises a limit sleeve;
the limiting sleeve is arranged in the shell and is fixedly connected with the shell; the limiting sleeve is sleeved outside the split nuts, and gaps exist between the limiting sleeve and the split nuts; the limiting sleeve is provided with a plurality of through holes for accommodating a plurality of unlocking balls, and the through holes correspond to the unlocking balls one by one;
the device also comprises a separation spring;
the inner wall of the split nut is provided with a mounting groove, and when a plurality of split nuts are in contact in sequence, the mounting grooves are connected in sequence to form a ring; the separating spring is arranged in the mounting groove, and the separating spring is annularly arranged along the circumferential direction of the split nut.
2. The electric self-unlocking split nut according to claim 1, wherein the through hole comprises a first limit hole and a second limit hole;
the first limiting holes are sequentially arranged at intervals along the circumferential direction of the limiting sleeve, the second limiting holes are sequentially arranged at intervals along the circumferential direction of the limiting sleeve, and the first limiting holes and the second limiting holes are sequentially arranged at intervals along the axial direction of the limiting sleeve.
3. The electric self-unlocking split nut according to claim 2, wherein the through hole is circular;
the inner wall of the through hole is abutted with the outer wall of the unlocking ball.
4. The electric self-unlocking split nut according to claim 1, wherein a guide groove is provided on an outer wall of each split nut;
the guide groove extends along the axial direction of the split nut, and a guide protrusion matched with the guide groove is arranged on the inner wall of the limit sleeve.
5. The electric self-unlocking split nut according to claim 1, further comprising an upper support pad and a lower support pad;
the upper support pad and the lower support pad are both arranged in the shell and are fixedly connected with the shell; the lower surface of the upper supporting pad is abutted with the upper end surface of the split nut; the upper surface of the lower supporting pad is abutted with the lower end face of the split nut.
6. The electric self-unlocking split nut according to claim 5, wherein a lower end surface of the upper support pad and an upper end surface of the lower support pad are both disposed at an angle to a horizontal plane.
7. A spacecraft comprising an electric self-unlocking split nut according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052949.6A CN107719707B (en) | 2017-10-31 | 2017-10-31 | Electric self-unlocking separation nut and spacecraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052949.6A CN107719707B (en) | 2017-10-31 | 2017-10-31 | Electric self-unlocking separation nut and spacecraft |
Publications (2)
| Publication Number | Publication Date |
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| CN107719707A CN107719707A (en) | 2018-02-23 |
| CN107719707B true CN107719707B (en) | 2023-09-19 |
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| CN201711052949.6A Active CN107719707B (en) | 2017-10-31 | 2017-10-31 | Electric self-unlocking separation nut and spacecraft |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654576B (en) * | 2018-06-29 | 2022-12-13 | 哈尔滨工业大学 | Space unlocking device driven by SMA wire |
| CN209535506U (en) * | 2018-09-04 | 2019-10-25 | 北京灵翼航宇科技有限公司 | A kind of non-firer driving divides valve nut type tripper |
| CN109764767B (en) * | 2018-12-20 | 2023-08-22 | 杭州航天电子技术有限公司 | Automatic side wall separating mechanism of electric connector |
| CN111006554B (en) * | 2019-11-22 | 2022-04-19 | 北京宇航系统工程研究所 | Reusable carrier rocket cold air separation system with functions of connecting, bearing, separating, pushing and flushing |
| CN111422383B (en) * | 2020-03-23 | 2021-08-10 | 北京空天技术研究所 | Dimension structure of separation actuating device |
| CN112520074B (en) * | 2020-12-07 | 2021-08-24 | 中国科学院微小卫星创新研究院 | Electromagnetic unlocking separation nut mechanism |
| CN113277124B (en) * | 2021-03-18 | 2022-04-08 | 东南大学 | Unlocking separation device based on split nut |
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| CN106494651A (en) * | 2016-11-21 | 2017-03-15 | 上海航天控制技术研究所 | A kind of non-firer's separator of low impact |
| CN207917188U (en) * | 2017-10-31 | 2018-09-28 | 天津航宇卓然科技有限公司 | Electronic Self-unlocking separation nut and spacecraft |
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| CN201985372U (en) * | 2010-12-15 | 2011-09-21 | 杭州航天电子技术有限公司 | Pull release mechanism for electric connector |
| CN203463456U (en) * | 2013-08-22 | 2014-03-05 | 北京宇航系统工程研究所 | Separation screw nut with buffer structure |
| FR3014970A1 (en) * | 2013-12-12 | 2015-06-19 | Airbus Operations Sas | ASSEMBLY COMPRISING A JOINT AXLE SUPPORTED BY A CAP AND IMMOBILIZED IN TRANSLATION BY A BLOCKING DEVICE INCORPORATING A DOUBLE ANTI-ROTATION SYSTEM |
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| CN107719707A (en) | 2018-02-23 |
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